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android-kvm / linux / 61177e911dad660df86a4553eb01c95ece2f6a82 / . / drivers / net / ethernet / mellanox / mlxsw / spectrum.c
blob: f7fd5e8fbf96f640ca22913ae9ad94be5a7a3322 [file] [log] [blame]
// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0
/* Copyright (c) 2015-2018 Mellanox Technologies. All rights reserved */
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/types.h>
#include <linux/pci.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/ethtool.h>
#include <linux/slab.h>
#include <linux/device.h>
#include <linux/skbuff.h>
#include <linux/if_vlan.h>
#include <linux/if_bridge.h>
#include <linux/workqueue.h>
#include <linux/jiffies.h>
#include <linux/bitops.h>
#include <linux/list.h>
#include <linux/notifier.h>
#include <linux/dcbnl.h>
#include <linux/inetdevice.h>
#include <linux/netlink.h>
#include <linux/jhash.h>
#include <linux/log2.h>
#include <net/switchdev.h>
#include <net/pkt_cls.h>
#include <net/tc_act/tc_mirred.h>
#include <net/netevent.h>
#include <net/tc_act/tc_sample.h>
#include <net/addrconf.h>
#include "spectrum.h"
#include "pci.h"
#include "core.h"
#include "core_env.h"
#include "reg.h"
#include "port.h"
#include "trap.h"
#include "txheader.h"
#include "spectrum_cnt.h"
#include "spectrum_dpipe.h"
#include "spectrum_acl_flex_actions.h"
#include "spectrum_span.h"
#include "spectrum_ptp.h"
#include "../mlxfw/mlxfw.h"
#define MLXSW_SP_FWREV_MINOR_TO_BRANCH(minor) ((minor) / 100)
#define MLXSW_SP1_FWREV_MAJOR 13
#define MLXSW_SP1_FWREV_MINOR 2000
#define MLXSW_SP1_FWREV_SUBMINOR 2308
#define MLXSW_SP1_FWREV_CAN_RESET_MINOR 1702
static const struct mlxsw_fw_rev mlxsw_sp1_fw_rev = {
.major = MLXSW_SP1_FWREV_MAJOR,
.minor = MLXSW_SP1_FWREV_MINOR,
.subminor = MLXSW_SP1_FWREV_SUBMINOR,
.can_reset_minor = MLXSW_SP1_FWREV_CAN_RESET_MINOR,
};
#define MLXSW_SP1_FW_FILENAME \
"mellanox/mlxsw_spectrum-" __stringify(MLXSW_SP1_FWREV_MAJOR) \
"." __stringify(MLXSW_SP1_FWREV_MINOR) \
"." __stringify(MLXSW_SP1_FWREV_SUBMINOR) ".mfa2"
#define MLXSW_SP2_FWREV_MAJOR 29
#define MLXSW_SP2_FWREV_MINOR 2000
#define MLXSW_SP2_FWREV_SUBMINOR 2308
static const struct mlxsw_fw_rev mlxsw_sp2_fw_rev = {
.major = MLXSW_SP2_FWREV_MAJOR,
.minor = MLXSW_SP2_FWREV_MINOR,
.subminor = MLXSW_SP2_FWREV_SUBMINOR,
};
#define MLXSW_SP2_FW_FILENAME \
"mellanox/mlxsw_spectrum2-" __stringify(MLXSW_SP2_FWREV_MAJOR) \
"." __stringify(MLXSW_SP2_FWREV_MINOR) \
"." __stringify(MLXSW_SP2_FWREV_SUBMINOR) ".mfa2"
static const char mlxsw_sp1_driver_name[] = "mlxsw_spectrum";
static const char mlxsw_sp2_driver_name[] = "mlxsw_spectrum2";
static const char mlxsw_sp3_driver_name[] = "mlxsw_spectrum3";
static const char mlxsw_sp_driver_version[] = "1.0";
static const unsigned char mlxsw_sp1_mac_mask[ETH_ALEN] = {
0xff, 0xff, 0xff, 0xff, 0xfc, 0x00
};
static const unsigned char mlxsw_sp2_mac_mask[ETH_ALEN] = {
0xff, 0xff, 0xff, 0xff, 0xf0, 0x00
};
/* tx_hdr_version
* Tx header version.
* Must be set to 1.
*/
MLXSW_ITEM32(tx, hdr, version, 0x00, 28, 4);
/* tx_hdr_ctl
* Packet control type.
* 0 - Ethernet control (e.g. EMADs, LACP)
* 1 - Ethernet data
*/
MLXSW_ITEM32(tx, hdr, ctl, 0x00, 26, 2);
/* tx_hdr_proto
* Packet protocol type. Must be set to 1 (Ethernet).
*/
MLXSW_ITEM32(tx, hdr, proto, 0x00, 21, 3);
/* tx_hdr_rx_is_router
* Packet is sent from the router. Valid for data packets only.
*/
MLXSW_ITEM32(tx, hdr, rx_is_router, 0x00, 19, 1);
/* tx_hdr_fid_valid
* Indicates if the 'fid' field is valid and should be used for
* forwarding lookup. Valid for data packets only.
*/
MLXSW_ITEM32(tx, hdr, fid_valid, 0x00, 16, 1);
/* tx_hdr_swid
* Switch partition ID. Must be set to 0.
*/
MLXSW_ITEM32(tx, hdr, swid, 0x00, 12, 3);
/* tx_hdr_control_tclass
* Indicates if the packet should use the control TClass and not one
* of the data TClasses.
*/
MLXSW_ITEM32(tx, hdr, control_tclass, 0x00, 6, 1);
/* tx_hdr_etclass
* Egress TClass to be used on the egress device on the egress port.
*/
MLXSW_ITEM32(tx, hdr, etclass, 0x00, 0, 4);
/* tx_hdr_port_mid
* Destination local port for unicast packets.
* Destination multicast ID for multicast packets.
*
* Control packets are directed to a specific egress port, while data
* packets are transmitted through the CPU port (0) into the switch partition,
* where forwarding rules are applied.
*/
MLXSW_ITEM32(tx, hdr, port_mid, 0x04, 16, 16);
/* tx_hdr_fid
* Forwarding ID used for L2 forwarding lookup. Valid only if 'fid_valid' is
* set, otherwise calculated based on the packet's VID using VID to FID mapping.
* Valid for data packets only.
*/
MLXSW_ITEM32(tx, hdr, fid, 0x08, 0, 16);
/* tx_hdr_type
* 0 - Data packets
* 6 - Control packets
*/
MLXSW_ITEM32(tx, hdr, type, 0x0C, 0, 4);
struct mlxsw_sp_mlxfw_dev {
struct mlxfw_dev mlxfw_dev;
struct mlxsw_sp *mlxsw_sp;
};
struct mlxsw_sp_ptp_ops {
struct mlxsw_sp_ptp_clock *
(*clock_init)(struct mlxsw_sp *mlxsw_sp, struct device *dev);
void (*clock_fini)(struct mlxsw_sp_ptp_clock *clock);
struct mlxsw_sp_ptp_state *(*init)(struct mlxsw_sp *mlxsw_sp);
void (*fini)(struct mlxsw_sp_ptp_state *ptp_state);
/* Notify a driver that a packet that might be PTP was received. Driver
* is responsible for freeing the passed-in SKB.
*/
void (*receive)(struct mlxsw_sp *mlxsw_sp, struct sk_buff *skb,
u8 local_port);
/* Notify a driver that a timestamped packet was transmitted. Driver
* is responsible for freeing the passed-in SKB.
*/
void (*transmitted)(struct mlxsw_sp *mlxsw_sp, struct sk_buff *skb,
u8 local_port);
int (*hwtstamp_get)(struct mlxsw_sp_port *mlxsw_sp_port,
struct hwtstamp_config *config);
int (*hwtstamp_set)(struct mlxsw_sp_port *mlxsw_sp_port,
struct hwtstamp_config *config);
void (*shaper_work)(struct work_struct *work);
int (*get_ts_info)(struct mlxsw_sp *mlxsw_sp,
struct ethtool_ts_info *info);
int (*get_stats_count)(void);
void (*get_stats_strings)(u8 **p);
void (*get_stats)(struct mlxsw_sp_port *mlxsw_sp_port,
u64 *data, int data_index);
};
static int mlxsw_sp_component_query(struct mlxfw_dev *mlxfw_dev,
u16 component_index, u32 *p_max_size,
u8 *p_align_bits, u16 *p_max_write_size)
{
struct mlxsw_sp_mlxfw_dev *mlxsw_sp_mlxfw_dev =
container_of(mlxfw_dev, struct mlxsw_sp_mlxfw_dev, mlxfw_dev);
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_mlxfw_dev->mlxsw_sp;
char mcqi_pl[MLXSW_REG_MCQI_LEN];
int err;
mlxsw_reg_mcqi_pack(mcqi_pl, component_index);
err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(mcqi), mcqi_pl);
if (err)
return err;
mlxsw_reg_mcqi_unpack(mcqi_pl, p_max_size, p_align_bits,
p_max_write_size);
*p_align_bits = max_t(u8, *p_align_bits, 2);
*p_max_write_size = min_t(u16, *p_max_write_size,
MLXSW_REG_MCDA_MAX_DATA_LEN);
return 0;
}
static int mlxsw_sp_fsm_lock(struct mlxfw_dev *mlxfw_dev, u32 *fwhandle)
{
struct mlxsw_sp_mlxfw_dev *mlxsw_sp_mlxfw_dev =
container_of(mlxfw_dev, struct mlxsw_sp_mlxfw_dev, mlxfw_dev);
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_mlxfw_dev->mlxsw_sp;
char mcc_pl[MLXSW_REG_MCC_LEN];
u8 control_state;
int err;
mlxsw_reg_mcc_pack(mcc_pl, 0, 0, 0, 0);
err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(mcc), mcc_pl);
if (err)
return err;
mlxsw_reg_mcc_unpack(mcc_pl, fwhandle, NULL, &control_state);
if (control_state != MLXFW_FSM_STATE_IDLE)
return -EBUSY;
mlxsw_reg_mcc_pack(mcc_pl,
MLXSW_REG_MCC_INSTRUCTION_LOCK_UPDATE_HANDLE,
0, *fwhandle, 0);
return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(mcc), mcc_pl);
}
static int mlxsw_sp_fsm_component_update(struct mlxfw_dev *mlxfw_dev,
u32 fwhandle, u16 component_index,
u32 component_size)
{
struct mlxsw_sp_mlxfw_dev *mlxsw_sp_mlxfw_dev =
container_of(mlxfw_dev, struct mlxsw_sp_mlxfw_dev, mlxfw_dev);
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_mlxfw_dev->mlxsw_sp;
char mcc_pl[MLXSW_REG_MCC_LEN];
mlxsw_reg_mcc_pack(mcc_pl, MLXSW_REG_MCC_INSTRUCTION_UPDATE_COMPONENT,
component_index, fwhandle, component_size);
return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(mcc), mcc_pl);
}
static int mlxsw_sp_fsm_block_download(struct mlxfw_dev *mlxfw_dev,
u32 fwhandle, u8 *data, u16 size,
u32 offset)
{
struct mlxsw_sp_mlxfw_dev *mlxsw_sp_mlxfw_dev =
container_of(mlxfw_dev, struct mlxsw_sp_mlxfw_dev, mlxfw_dev);
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_mlxfw_dev->mlxsw_sp;
char mcda_pl[MLXSW_REG_MCDA_LEN];
mlxsw_reg_mcda_pack(mcda_pl, fwhandle, offset, size, data);
return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(mcda), mcda_pl);
}
static int mlxsw_sp_fsm_component_verify(struct mlxfw_dev *mlxfw_dev,
u32 fwhandle, u16 component_index)
{
struct mlxsw_sp_mlxfw_dev *mlxsw_sp_mlxfw_dev =
container_of(mlxfw_dev, struct mlxsw_sp_mlxfw_dev, mlxfw_dev);
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_mlxfw_dev->mlxsw_sp;
char mcc_pl[MLXSW_REG_MCC_LEN];
mlxsw_reg_mcc_pack(mcc_pl, MLXSW_REG_MCC_INSTRUCTION_VERIFY_COMPONENT,
component_index, fwhandle, 0);
return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(mcc), mcc_pl);
}
static int mlxsw_sp_fsm_activate(struct mlxfw_dev *mlxfw_dev, u32 fwhandle)
{
struct mlxsw_sp_mlxfw_dev *mlxsw_sp_mlxfw_dev =
container_of(mlxfw_dev, struct mlxsw_sp_mlxfw_dev, mlxfw_dev);
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_mlxfw_dev->mlxsw_sp;
char mcc_pl[MLXSW_REG_MCC_LEN];
mlxsw_reg_mcc_pack(mcc_pl, MLXSW_REG_MCC_INSTRUCTION_ACTIVATE, 0,
fwhandle, 0);
return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(mcc), mcc_pl);
}
static int mlxsw_sp_fsm_query_state(struct mlxfw_dev *mlxfw_dev, u32 fwhandle,
enum mlxfw_fsm_state *fsm_state,
enum mlxfw_fsm_state_err *fsm_state_err)
{
struct mlxsw_sp_mlxfw_dev *mlxsw_sp_mlxfw_dev =
container_of(mlxfw_dev, struct mlxsw_sp_mlxfw_dev, mlxfw_dev);
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_mlxfw_dev->mlxsw_sp;
char mcc_pl[MLXSW_REG_MCC_LEN];
u8 control_state;
u8 error_code;
int err;
mlxsw_reg_mcc_pack(mcc_pl, 0, 0, fwhandle, 0);
err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(mcc), mcc_pl);
if (err)
return err;
mlxsw_reg_mcc_unpack(mcc_pl, NULL, &error_code, &control_state);
*fsm_state = control_state;
*fsm_state_err = min_t(enum mlxfw_fsm_state_err, error_code,
MLXFW_FSM_STATE_ERR_MAX);
return 0;
}
static void mlxsw_sp_fsm_cancel(struct mlxfw_dev *mlxfw_dev, u32 fwhandle)
{
struct mlxsw_sp_mlxfw_dev *mlxsw_sp_mlxfw_dev =
container_of(mlxfw_dev, struct mlxsw_sp_mlxfw_dev, mlxfw_dev);
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_mlxfw_dev->mlxsw_sp;
char mcc_pl[MLXSW_REG_MCC_LEN];
mlxsw_reg_mcc_pack(mcc_pl, MLXSW_REG_MCC_INSTRUCTION_CANCEL, 0,
fwhandle, 0);
mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(mcc), mcc_pl);
}
static void mlxsw_sp_fsm_release(struct mlxfw_dev *mlxfw_dev, u32 fwhandle)
{
struct mlxsw_sp_mlxfw_dev *mlxsw_sp_mlxfw_dev =
container_of(mlxfw_dev, struct mlxsw_sp_mlxfw_dev, mlxfw_dev);
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_mlxfw_dev->mlxsw_sp;
char mcc_pl[MLXSW_REG_MCC_LEN];
mlxsw_reg_mcc_pack(mcc_pl,
MLXSW_REG_MCC_INSTRUCTION_RELEASE_UPDATE_HANDLE, 0,
fwhandle, 0);
mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(mcc), mcc_pl);
}
static void mlxsw_sp_status_notify(struct mlxfw_dev *mlxfw_dev,
const char *msg, const char *comp_name,
u32 done_bytes, u32 total_bytes)
{
struct mlxsw_sp_mlxfw_dev *mlxsw_sp_mlxfw_dev =
container_of(mlxfw_dev, struct mlxsw_sp_mlxfw_dev, mlxfw_dev);
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_mlxfw_dev->mlxsw_sp;
devlink_flash_update_status_notify(priv_to_devlink(mlxsw_sp->core),
msg, comp_name,
done_bytes, total_bytes);
}
static const struct mlxfw_dev_ops mlxsw_sp_mlxfw_dev_ops = {
.component_query = mlxsw_sp_component_query,
.fsm_lock = mlxsw_sp_fsm_lock,
.fsm_component_update = mlxsw_sp_fsm_component_update,
.fsm_block_download = mlxsw_sp_fsm_block_download,
.fsm_component_verify = mlxsw_sp_fsm_component_verify,
.fsm_activate = mlxsw_sp_fsm_activate,
.fsm_query_state = mlxsw_sp_fsm_query_state,
.fsm_cancel = mlxsw_sp_fsm_cancel,
.fsm_release = mlxsw_sp_fsm_release,
.status_notify = mlxsw_sp_status_notify,
};
static int mlxsw_sp_firmware_flash(struct mlxsw_sp *mlxsw_sp,
const struct firmware *firmware,
struct netlink_ext_ack *extack)
{
struct mlxsw_sp_mlxfw_dev mlxsw_sp_mlxfw_dev = {
.mlxfw_dev = {
.ops = &mlxsw_sp_mlxfw_dev_ops,
.psid = mlxsw_sp->bus_info->psid,
.psid_size = strlen(mlxsw_sp->bus_info->psid),
},
.mlxsw_sp = mlxsw_sp
};
int err;
mlxsw_core_fw_flash_start(mlxsw_sp->core);
devlink_flash_update_begin_notify(priv_to_devlink(mlxsw_sp->core));
err = mlxfw_firmware_flash(&mlxsw_sp_mlxfw_dev.mlxfw_dev,
firmware, extack);
devlink_flash_update_end_notify(priv_to_devlink(mlxsw_sp->core));
mlxsw_core_fw_flash_end(mlxsw_sp->core);
return err;
}
static int mlxsw_sp_fw_rev_validate(struct mlxsw_sp *mlxsw_sp)
{
const struct mlxsw_fw_rev *rev = &mlxsw_sp->bus_info->fw_rev;
const struct mlxsw_fw_rev *req_rev = mlxsw_sp->req_rev;
const char *fw_filename = mlxsw_sp->fw_filename;
union devlink_param_value value;
const struct firmware *firmware;
int err;
/* Don't check if driver does not require it */
if (!req_rev || !fw_filename)
return 0;
/* Don't check if devlink 'fw_load_policy' param is 'flash' */
err = devlink_param_driverinit_value_get(priv_to_devlink(mlxsw_sp->core),
DEVLINK_PARAM_GENERIC_ID_FW_LOAD_POLICY,
&value);
if (err)
return err;
if (value.vu8 == DEVLINK_PARAM_FW_LOAD_POLICY_VALUE_FLASH)
return 0;
/* Validate driver & FW are compatible */
if (rev->major != req_rev->major) {
WARN(1, "Mismatch in major FW version [%d:%d] is never expected; Please contact support\n",
rev->major, req_rev->major);
return -EINVAL;
}
if (MLXSW_SP_FWREV_MINOR_TO_BRANCH(rev->minor) ==
MLXSW_SP_FWREV_MINOR_TO_BRANCH(req_rev->minor) &&
mlxsw_core_fw_rev_minor_subminor_validate(rev, req_rev))
return 0;
dev_info(mlxsw_sp->bus_info->dev, "The firmware version %d.%d.%d is incompatible with the driver\n",
rev->major, rev->minor, rev->subminor);
dev_info(mlxsw_sp->bus_info->dev, "Flashing firmware using file %s\n",
fw_filename);
err = request_firmware_direct(&firmware, fw_filename,
mlxsw_sp->bus_info->dev);
if (err) {
dev_err(mlxsw_sp->bus_info->dev, "Could not request firmware file %s\n",
fw_filename);
return err;
}
err = mlxsw_sp_firmware_flash(mlxsw_sp, firmware, NULL);
release_firmware(firmware);
if (err)
dev_err(mlxsw_sp->bus_info->dev, "Could not upgrade firmware\n");
/* On FW flash success, tell the caller FW reset is needed
* if current FW supports it.
*/
if (rev->minor >= req_rev->can_reset_minor)
return err ? err : -EAGAIN;
else
return 0;
}
static int mlxsw_sp_flash_update(struct mlxsw_core *mlxsw_core,
const char *file_name, const char *component,
struct netlink_ext_ack *extack)
{
struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core);
const struct firmware *firmware;
int err;
if (component)
return -EOPNOTSUPP;
err = request_firmware_direct(&firmware, file_name,
mlxsw_sp->bus_info->dev);
if (err)
return err;
err = mlxsw_sp_firmware_flash(mlxsw_sp, firmware, extack);
release_firmware(firmware);
return err;
}
int mlxsw_sp_flow_counter_get(struct mlxsw_sp *mlxsw_sp,
unsigned int counter_index, u64 *packets,
u64 *bytes)
{
char mgpc_pl[MLXSW_REG_MGPC_LEN];
int err;
mlxsw_reg_mgpc_pack(mgpc_pl, counter_index, MLXSW_REG_MGPC_OPCODE_NOP,
MLXSW_REG_FLOW_COUNTER_SET_TYPE_PACKETS_BYTES);
err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(mgpc), mgpc_pl);
if (err)
return err;
if (packets)
*packets = mlxsw_reg_mgpc_packet_counter_get(mgpc_pl);
if (bytes)
*bytes = mlxsw_reg_mgpc_byte_counter_get(mgpc_pl);
return 0;
}
static int mlxsw_sp_flow_counter_clear(struct mlxsw_sp *mlxsw_sp,
unsigned int counter_index)
{
char mgpc_pl[MLXSW_REG_MGPC_LEN];
mlxsw_reg_mgpc_pack(mgpc_pl, counter_index, MLXSW_REG_MGPC_OPCODE_CLEAR,
MLXSW_REG_FLOW_COUNTER_SET_TYPE_PACKETS_BYTES);
return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(mgpc), mgpc_pl);
}
int mlxsw_sp_flow_counter_alloc(struct mlxsw_sp *mlxsw_sp,
unsigned int *p_counter_index)
{
int err;
err = mlxsw_sp_counter_alloc(mlxsw_sp, MLXSW_SP_COUNTER_SUB_POOL_FLOW,
p_counter_index);
if (err)
return err;
err = mlxsw_sp_flow_counter_clear(mlxsw_sp, *p_counter_index);
if (err)
goto err_counter_clear;
return 0;
err_counter_clear:
mlxsw_sp_counter_free(mlxsw_sp, MLXSW_SP_COUNTER_SUB_POOL_FLOW,
*p_counter_index);
return err;
}
void mlxsw_sp_flow_counter_free(struct mlxsw_sp *mlxsw_sp,
unsigned int counter_index)
{
mlxsw_sp_counter_free(mlxsw_sp, MLXSW_SP_COUNTER_SUB_POOL_FLOW,
counter_index);
}
static void mlxsw_sp_txhdr_construct(struct sk_buff *skb,
const struct mlxsw_tx_info *tx_info)
{
char *txhdr = skb_push(skb, MLXSW_TXHDR_LEN);
memset(txhdr, 0, MLXSW_TXHDR_LEN);
mlxsw_tx_hdr_version_set(txhdr, MLXSW_TXHDR_VERSION_1);
mlxsw_tx_hdr_ctl_set(txhdr, MLXSW_TXHDR_ETH_CTL);
mlxsw_tx_hdr_proto_set(txhdr, MLXSW_TXHDR_PROTO_ETH);
mlxsw_tx_hdr_swid_set(txhdr, 0);
mlxsw_tx_hdr_control_tclass_set(txhdr, 1);
mlxsw_tx_hdr_port_mid_set(txhdr, tx_info->local_port);
mlxsw_tx_hdr_type_set(txhdr, MLXSW_TXHDR_TYPE_CONTROL);
}
enum mlxsw_reg_spms_state mlxsw_sp_stp_spms_state(u8 state)
{
switch (state) {
case BR_STATE_FORWARDING:
return MLXSW_REG_SPMS_STATE_FORWARDING;
case BR_STATE_LEARNING:
return MLXSW_REG_SPMS_STATE_LEARNING;
case BR_STATE_LISTENING: /* fall-through */
case BR_STATE_DISABLED: /* fall-through */
case BR_STATE_BLOCKING:
return MLXSW_REG_SPMS_STATE_DISCARDING;
default:
BUG();
}
}
int mlxsw_sp_port_vid_stp_set(struct mlxsw_sp_port *mlxsw_sp_port, u16 vid,
u8 state)
{
enum mlxsw_reg_spms_state spms_state = mlxsw_sp_stp_spms_state(state);
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
char *spms_pl;
int err;
spms_pl = kmalloc(MLXSW_REG_SPMS_LEN, GFP_KERNEL);
if (!spms_pl)
return -ENOMEM;
mlxsw_reg_spms_pack(spms_pl, mlxsw_sp_port->local_port);
mlxsw_reg_spms_vid_pack(spms_pl, vid, spms_state);
err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(spms), spms_pl);
kfree(spms_pl);
return err;
}
static int mlxsw_sp_base_mac_get(struct mlxsw_sp *mlxsw_sp)
{
char spad_pl[MLXSW_REG_SPAD_LEN] = {0};
int err;
err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(spad), spad_pl);
if (err)
return err;
mlxsw_reg_spad_base_mac_memcpy_from(spad_pl, mlxsw_sp->base_mac);
return 0;
}
static int mlxsw_sp_port_sample_set(struct mlxsw_sp_port *mlxsw_sp_port,
bool enable, u32 rate)
{
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
char mpsc_pl[MLXSW_REG_MPSC_LEN];
mlxsw_reg_mpsc_pack(mpsc_pl, mlxsw_sp_port->local_port, enable, rate);
return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(mpsc), mpsc_pl);
}
static int mlxsw_sp_port_admin_status_set(struct mlxsw_sp_port *mlxsw_sp_port,
bool is_up)
{
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
char paos_pl[MLXSW_REG_PAOS_LEN];
mlxsw_reg_paos_pack(paos_pl, mlxsw_sp_port->local_port,
is_up ? MLXSW_PORT_ADMIN_STATUS_UP :
MLXSW_PORT_ADMIN_STATUS_DOWN);
return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(paos), paos_pl);
}
static int mlxsw_sp_port_dev_addr_set(struct mlxsw_sp_port *mlxsw_sp_port,
unsigned char *addr)
{
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
char ppad_pl[MLXSW_REG_PPAD_LEN];
mlxsw_reg_ppad_pack(ppad_pl, true, mlxsw_sp_port->local_port);
mlxsw_reg_ppad_mac_memcpy_to(ppad_pl, addr);
return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(ppad), ppad_pl);
}
static int mlxsw_sp_port_dev_addr_init(struct mlxsw_sp_port *mlxsw_sp_port)
{
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
unsigned char *addr = mlxsw_sp_port->dev->dev_addr;
ether_addr_copy(addr, mlxsw_sp->base_mac);
addr[ETH_ALEN - 1] += mlxsw_sp_port->local_port;
return mlxsw_sp_port_dev_addr_set(mlxsw_sp_port, addr);
}
static int mlxsw_sp_port_mtu_set(struct mlxsw_sp_port *mlxsw_sp_port, u16 mtu)
{
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
char pmtu_pl[MLXSW_REG_PMTU_LEN];
int max_mtu;
int err;
mtu += MLXSW_TXHDR_LEN + ETH_HLEN;
mlxsw_reg_pmtu_pack(pmtu_pl, mlxsw_sp_port->local_port, 0);
err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(pmtu), pmtu_pl);
if (err)
return err;
max_mtu = mlxsw_reg_pmtu_max_mtu_get(pmtu_pl);
if (mtu > max_mtu)
return -EINVAL;
mlxsw_reg_pmtu_pack(pmtu_pl, mlxsw_sp_port->local_port, mtu);
return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(pmtu), pmtu_pl);
}
static int mlxsw_sp_port_swid_set(struct mlxsw_sp_port *mlxsw_sp_port, u8 swid)
{
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
char pspa_pl[MLXSW_REG_PSPA_LEN];
mlxsw_reg_pspa_pack(pspa_pl, swid, mlxsw_sp_port->local_port);
return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(pspa), pspa_pl);
}
int mlxsw_sp_port_vp_mode_set(struct mlxsw_sp_port *mlxsw_sp_port, bool enable)
{
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
char svpe_pl[MLXSW_REG_SVPE_LEN];
mlxsw_reg_svpe_pack(svpe_pl, mlxsw_sp_port->local_port, enable);
return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(svpe), svpe_pl);
}
int mlxsw_sp_port_vid_learning_set(struct mlxsw_sp_port *mlxsw_sp_port, u16 vid,
bool learn_enable)
{
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
char *spvmlr_pl;
int err;
spvmlr_pl = kmalloc(MLXSW_REG_SPVMLR_LEN, GFP_KERNEL);
if (!spvmlr_pl)
return -ENOMEM;
mlxsw_reg_spvmlr_pack(spvmlr_pl, mlxsw_sp_port->local_port, vid, vid,
learn_enable);
err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(spvmlr), spvmlr_pl);
kfree(spvmlr_pl);
return err;
}
static int __mlxsw_sp_port_pvid_set(struct mlxsw_sp_port *mlxsw_sp_port,
u16 vid)
{
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
char spvid_pl[MLXSW_REG_SPVID_LEN];
mlxsw_reg_spvid_pack(spvid_pl, mlxsw_sp_port->local_port, vid);
return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(spvid), spvid_pl);
}
static int mlxsw_sp_port_allow_untagged_set(struct mlxsw_sp_port *mlxsw_sp_port,
bool allow)
{
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
char spaft_pl[MLXSW_REG_SPAFT_LEN];
mlxsw_reg_spaft_pack(spaft_pl, mlxsw_sp_port->local_port, allow);
return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(spaft), spaft_pl);
}
int mlxsw_sp_port_pvid_set(struct mlxsw_sp_port *mlxsw_sp_port, u16 vid)
{
int err;
if (!vid) {
err = mlxsw_sp_port_allow_untagged_set(mlxsw_sp_port, false);
if (err)
return err;
} else {
err = __mlxsw_sp_port_pvid_set(mlxsw_sp_port, vid);
if (err)
return err;
err = mlxsw_sp_port_allow_untagged_set(mlxsw_sp_port, true);
if (err)
goto err_port_allow_untagged_set;
}
mlxsw_sp_port->pvid = vid;
return 0;
err_port_allow_untagged_set:
__mlxsw_sp_port_pvid_set(mlxsw_sp_port, mlxsw_sp_port->pvid);
return err;
}
static int
mlxsw_sp_port_system_port_mapping_set(struct mlxsw_sp_port *mlxsw_sp_port)
{
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
char sspr_pl[MLXSW_REG_SSPR_LEN];
mlxsw_reg_sspr_pack(sspr_pl, mlxsw_sp_port->local_port);
return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sspr), sspr_pl);
}
static int
mlxsw_sp_port_module_info_get(struct mlxsw_sp *mlxsw_sp, u8 local_port,
struct mlxsw_sp_port_mapping *port_mapping)
{
char pmlp_pl[MLXSW_REG_PMLP_LEN];
bool separate_rxtx;
u8 module;
u8 width;
int err;
int i;
mlxsw_reg_pmlp_pack(pmlp_pl, local_port);
err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(pmlp), pmlp_pl);
if (err)
return err;
module = mlxsw_reg_pmlp_module_get(pmlp_pl, 0);
width = mlxsw_reg_pmlp_width_get(pmlp_pl);
separate_rxtx = mlxsw_reg_pmlp_rxtx_get(pmlp_pl);
if (width && !is_power_of_2(width)) {
dev_err(mlxsw_sp->bus_info->dev, "Port %d: Unsupported module config: width value is not power of 2\n",
local_port);
return -EINVAL;
}
for (i = 0; i < width; i++) {
if (mlxsw_reg_pmlp_module_get(pmlp_pl, i) != module) {
dev_err(mlxsw_sp->bus_info->dev, "Port %d: Unsupported module config: contains multiple modules\n",
local_port);
return -EINVAL;
}
if (separate_rxtx &&
mlxsw_reg_pmlp_tx_lane_get(pmlp_pl, i) !=
mlxsw_reg_pmlp_rx_lane_get(pmlp_pl, i)) {
dev_err(mlxsw_sp->bus_info->dev, "Port %d: Unsupported module config: TX and RX lane numbers are different\n",
local_port);
return -EINVAL;
}
if (mlxsw_reg_pmlp_tx_lane_get(pmlp_pl, i) != i) {
dev_err(mlxsw_sp->bus_info->dev, "Port %d: Unsupported module config: TX and RX lane numbers are not sequential\n",
local_port);
return -EINVAL;
}
}
port_mapping->module = module;
port_mapping->width = width;
port_mapping->lane = mlxsw_reg_pmlp_tx_lane_get(pmlp_pl, 0);
return 0;
}
static int mlxsw_sp_port_module_map(struct mlxsw_sp_port *mlxsw_sp_port)
{
struct mlxsw_sp_port_mapping *port_mapping = &mlxsw_sp_port->mapping;
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
char pmlp_pl[MLXSW_REG_PMLP_LEN];
int i;
mlxsw_reg_pmlp_pack(pmlp_pl, mlxsw_sp_port->local_port);
mlxsw_reg_pmlp_width_set(pmlp_pl, port_mapping->width);
for (i = 0; i < port_mapping->width; i++) {
mlxsw_reg_pmlp_module_set(pmlp_pl, i, port_mapping->module);
mlxsw_reg_pmlp_tx_lane_set(pmlp_pl, i, port_mapping->lane + i); /* Rx & Tx */
}
return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(pmlp), pmlp_pl);
}
static int mlxsw_sp_port_module_unmap(struct mlxsw_sp_port *mlxsw_sp_port)
{
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
char pmlp_pl[MLXSW_REG_PMLP_LEN];
mlxsw_reg_pmlp_pack(pmlp_pl, mlxsw_sp_port->local_port);
mlxsw_reg_pmlp_width_set(pmlp_pl, 0);
return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(pmlp), pmlp_pl);
}
static int mlxsw_sp_port_open(struct net_device *dev)
{
struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
int err;
err = mlxsw_sp_port_admin_status_set(mlxsw_sp_port, true);
if (err)
return err;
netif_start_queue(dev);
return 0;
}
static int mlxsw_sp_port_stop(struct net_device *dev)
{
struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
netif_stop_queue(dev);
return mlxsw_sp_port_admin_status_set(mlxsw_sp_port, false);
}
static netdev_tx_t mlxsw_sp_port_xmit(struct sk_buff *skb,
struct net_device *dev)
{
struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
struct mlxsw_sp_port_pcpu_stats *pcpu_stats;
const struct mlxsw_tx_info tx_info = {
.local_port = mlxsw_sp_port->local_port,
.is_emad = false,
};
u64 len;
int err;
memset(skb->cb, 0, sizeof(struct mlxsw_skb_cb));
if (mlxsw_core_skb_transmit_busy(mlxsw_sp->core, &tx_info))
return NETDEV_TX_BUSY;
if (unlikely(skb_headroom(skb) < MLXSW_TXHDR_LEN)) {
struct sk_buff *skb_orig = skb;
skb = skb_realloc_headroom(skb, MLXSW_TXHDR_LEN);
if (!skb) {
this_cpu_inc(mlxsw_sp_port->pcpu_stats->tx_dropped);
dev_kfree_skb_any(skb_orig);
return NETDEV_TX_OK;
}
dev_consume_skb_any(skb_orig);
}
if (eth_skb_pad(skb)) {
this_cpu_inc(mlxsw_sp_port->pcpu_stats->tx_dropped);
return NETDEV_TX_OK;
}
mlxsw_sp_txhdr_construct(skb, &tx_info);
/* TX header is consumed by HW on the way so we shouldn't count its
* bytes as being sent.
*/
len = skb->len - MLXSW_TXHDR_LEN;
/* Due to a race we might fail here because of a full queue. In that
* unlikely case we simply drop the packet.
*/
err = mlxsw_core_skb_transmit(mlxsw_sp->core, skb, &tx_info);
if (!err) {
pcpu_stats = this_cpu_ptr(mlxsw_sp_port->pcpu_stats);
u64_stats_update_begin(&pcpu_stats->syncp);
pcpu_stats->tx_packets++;
pcpu_stats->tx_bytes += len;
u64_stats_update_end(&pcpu_stats->syncp);
} else {
this_cpu_inc(mlxsw_sp_port->pcpu_stats->tx_dropped);
dev_kfree_skb_any(skb);
}
return NETDEV_TX_OK;
}
static void mlxsw_sp_set_rx_mode(struct net_device *dev)
{
}
static int mlxsw_sp_port_set_mac_address(struct net_device *dev, void *p)
{
struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
struct sockaddr *addr = p;
int err;
if (!is_valid_ether_addr(addr->sa_data))
return -EADDRNOTAVAIL;
err = mlxsw_sp_port_dev_addr_set(mlxsw_sp_port, addr->sa_data);
if (err)
return err;
memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
return 0;
}
static u16 mlxsw_sp_pg_buf_threshold_get(const struct mlxsw_sp *mlxsw_sp,
int mtu)
{
return 2 * mlxsw_sp_bytes_cells(mlxsw_sp, mtu);
}
#define MLXSW_SP_CELL_FACTOR 2 /* 2 * cell_size / (IPG + cell_size + 1) */
static u16 mlxsw_sp_pfc_delay_get(const struct mlxsw_sp *mlxsw_sp, int mtu,
u16 delay)
{
delay = mlxsw_sp_bytes_cells(mlxsw_sp, DIV_ROUND_UP(delay,
BITS_PER_BYTE));
return MLXSW_SP_CELL_FACTOR * delay + mlxsw_sp_bytes_cells(mlxsw_sp,
mtu);
}
/* Maximum delay buffer needed in case of PAUSE frames, in bytes.
* Assumes 100m cable and maximum MTU.
*/
#define MLXSW_SP_PAUSE_DELAY 58752
static u16 mlxsw_sp_pg_buf_delay_get(const struct mlxsw_sp *mlxsw_sp, int mtu,
u16 delay, bool pfc, bool pause)
{
if (pfc)
return mlxsw_sp_pfc_delay_get(mlxsw_sp, mtu, delay);
else if (pause)
return mlxsw_sp_bytes_cells(mlxsw_sp, MLXSW_SP_PAUSE_DELAY);
else
return 0;
}
static void mlxsw_sp_pg_buf_pack(char *pbmc_pl, int index, u16 size, u16 thres,
bool lossy)
{
if (lossy)
mlxsw_reg_pbmc_lossy_buffer_pack(pbmc_pl, index, size);
else
mlxsw_reg_pbmc_lossless_buffer_pack(pbmc_pl, index, size,
thres);
}
int __mlxsw_sp_port_headroom_set(struct mlxsw_sp_port *mlxsw_sp_port, int mtu,
u8 *prio_tc, bool pause_en,
struct ieee_pfc *my_pfc)
{
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
u8 pfc_en = !!my_pfc ? my_pfc->pfc_en : 0;
u16 delay = !!my_pfc ? my_pfc->delay : 0;
char pbmc_pl[MLXSW_REG_PBMC_LEN];
u32 taken_headroom_cells = 0;
u32 max_headroom_cells;
int i, j, err;
max_headroom_cells = mlxsw_sp_sb_max_headroom_cells(mlxsw_sp);
mlxsw_reg_pbmc_pack(pbmc_pl, mlxsw_sp_port->local_port, 0, 0);
err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(pbmc), pbmc_pl);
if (err)
return err;
for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) {
bool configure = false;
bool pfc = false;
u16 thres_cells;
u16 delay_cells;
u16 total_cells;
bool lossy;
for (j = 0; j < IEEE_8021QAZ_MAX_TCS; j++) {
if (prio_tc[j] == i) {
pfc = pfc_en & BIT(j);
configure = true;
break;
}
}
if (!configure)
continue;
lossy = !(pfc || pause_en);
thres_cells = mlxsw_sp_pg_buf_threshold_get(mlxsw_sp, mtu);
delay_cells = mlxsw_sp_pg_buf_delay_get(mlxsw_sp, mtu, delay,
pfc, pause_en);
total_cells = thres_cells + delay_cells;
taken_headroom_cells += total_cells;
if (taken_headroom_cells > max_headroom_cells)
return -ENOBUFS;
mlxsw_sp_pg_buf_pack(pbmc_pl, i, total_cells,
thres_cells, lossy);
}
return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(pbmc), pbmc_pl);
}
static int mlxsw_sp_port_headroom_set(struct mlxsw_sp_port *mlxsw_sp_port,
int mtu, bool pause_en)
{
u8 def_prio_tc[IEEE_8021QAZ_MAX_TCS] = {0};
bool dcb_en = !!mlxsw_sp_port->dcb.ets;
struct ieee_pfc *my_pfc;
u8 *prio_tc;
prio_tc = dcb_en ? mlxsw_sp_port->dcb.ets->prio_tc : def_prio_tc;
my_pfc = dcb_en ? mlxsw_sp_port->dcb.pfc : NULL;
return __mlxsw_sp_port_headroom_set(mlxsw_sp_port, mtu, prio_tc,
pause_en, my_pfc);
}
static int mlxsw_sp_port_change_mtu(struct net_device *dev, int mtu)
{
struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
bool pause_en = mlxsw_sp_port_is_pause_en(mlxsw_sp_port);
int err;
err = mlxsw_sp_port_headroom_set(mlxsw_sp_port, mtu, pause_en);
if (err)
return err;
err = mlxsw_sp_span_port_mtu_update(mlxsw_sp_port, mtu);
if (err)
goto err_span_port_mtu_update;
err = mlxsw_sp_port_mtu_set(mlxsw_sp_port, mtu);
if (err)
goto err_port_mtu_set;
dev->mtu = mtu;
return 0;
err_port_mtu_set:
mlxsw_sp_span_port_mtu_update(mlxsw_sp_port, dev->mtu);
err_span_port_mtu_update:
mlxsw_sp_port_headroom_set(mlxsw_sp_port, dev->mtu, pause_en);
return err;
}
static int
mlxsw_sp_port_get_sw_stats64(const struct net_device *dev,
struct rtnl_link_stats64 *stats)
{
struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
struct mlxsw_sp_port_pcpu_stats *p;
u64 rx_packets, rx_bytes, tx_packets, tx_bytes;
u32 tx_dropped = 0;
unsigned int start;
int i;
for_each_possible_cpu(i) {
p = per_cpu_ptr(mlxsw_sp_port->pcpu_stats, i);
do {
start = u64_stats_fetch_begin_irq(&p->syncp);
rx_packets = p->rx_packets;
rx_bytes = p->rx_bytes;
tx_packets = p->tx_packets;
tx_bytes = p->tx_bytes;
} while (u64_stats_fetch_retry_irq(&p->syncp, start));
stats->rx_packets += rx_packets;
stats->rx_bytes += rx_bytes;
stats->tx_packets += tx_packets;
stats->tx_bytes += tx_bytes;
/* tx_dropped is u32, updated without syncp protection. */
tx_dropped += p->tx_dropped;
}
stats->tx_dropped = tx_dropped;
return 0;
}
static bool mlxsw_sp_port_has_offload_stats(const struct net_device *dev, int attr_id)
{
switch (attr_id) {
case IFLA_OFFLOAD_XSTATS_CPU_HIT:
return true;
}
return false;
}
static int mlxsw_sp_port_get_offload_stats(int attr_id, const struct net_device *dev,
void *sp)
{
switch (attr_id) {
case IFLA_OFFLOAD_XSTATS_CPU_HIT:
return mlxsw_sp_port_get_sw_stats64(dev, sp);
}
return -EINVAL;
}
static int mlxsw_sp_port_get_stats_raw(struct net_device *dev, int grp,
int prio, char *ppcnt_pl)
{
struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
mlxsw_reg_ppcnt_pack(ppcnt_pl, mlxsw_sp_port->local_port, grp, prio);
return mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(ppcnt), ppcnt_pl);
}
static int mlxsw_sp_port_get_hw_stats(struct net_device *dev,
struct rtnl_link_stats64 *stats)
{
char ppcnt_pl[MLXSW_REG_PPCNT_LEN];
int err;
err = mlxsw_sp_port_get_stats_raw(dev, MLXSW_REG_PPCNT_IEEE_8023_CNT,
0, ppcnt_pl);
if (err)
goto out;
stats->tx_packets =
mlxsw_reg_ppcnt_a_frames_transmitted_ok_get(ppcnt_pl);
stats->rx_packets =
mlxsw_reg_ppcnt_a_frames_received_ok_get(ppcnt_pl);
stats->tx_bytes =
mlxsw_reg_ppcnt_a_octets_transmitted_ok_get(ppcnt_pl);
stats->rx_bytes =
mlxsw_reg_ppcnt_a_octets_received_ok_get(ppcnt_pl);
stats->multicast =
mlxsw_reg_ppcnt_a_multicast_frames_received_ok_get(ppcnt_pl);
stats->rx_crc_errors =
mlxsw_reg_ppcnt_a_frame_check_sequence_errors_get(ppcnt_pl);
stats->rx_frame_errors =
mlxsw_reg_ppcnt_a_alignment_errors_get(ppcnt_pl);
stats->rx_length_errors = (
mlxsw_reg_ppcnt_a_in_range_length_errors_get(ppcnt_pl) +
mlxsw_reg_ppcnt_a_out_of_range_length_field_get(ppcnt_pl) +
mlxsw_reg_ppcnt_a_frame_too_long_errors_get(ppcnt_pl));
stats->rx_errors = (stats->rx_crc_errors +
stats->rx_frame_errors + stats->rx_length_errors);
out:
return err;
}
static void
mlxsw_sp_port_get_hw_xstats(struct net_device *dev,
struct mlxsw_sp_port_xstats *xstats)
{
char ppcnt_pl[MLXSW_REG_PPCNT_LEN];
int err, i;
err = mlxsw_sp_port_get_stats_raw(dev, MLXSW_REG_PPCNT_EXT_CNT, 0,
ppcnt_pl);
if (!err)
xstats->ecn = mlxsw_reg_ppcnt_ecn_marked_get(ppcnt_pl);
for (i = 0; i < TC_MAX_QUEUE; i++) {
err = mlxsw_sp_port_get_stats_raw(dev,
MLXSW_REG_PPCNT_TC_CONG_TC,
i, ppcnt_pl);
if (!err)
xstats->wred_drop[i] =
mlxsw_reg_ppcnt_wred_discard_get(ppcnt_pl);
err = mlxsw_sp_port_get_stats_raw(dev, MLXSW_REG_PPCNT_TC_CNT,
i, ppcnt_pl);
if (err)
continue;
xstats->backlog[i] =
mlxsw_reg_ppcnt_tc_transmit_queue_get(ppcnt_pl);
xstats->tail_drop[i] =
mlxsw_reg_ppcnt_tc_no_buffer_discard_uc_get(ppcnt_pl);
}
for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) {
err = mlxsw_sp_port_get_stats_raw(dev, MLXSW_REG_PPCNT_PRIO_CNT,
i, ppcnt_pl);
if (err)
continue;
xstats->tx_packets[i] = mlxsw_reg_ppcnt_tx_frames_get(ppcnt_pl);
xstats->tx_bytes[i] = mlxsw_reg_ppcnt_tx_octets_get(ppcnt_pl);
}
}
static void update_stats_cache(struct work_struct *work)
{
struct mlxsw_sp_port *mlxsw_sp_port =
container_of(work, struct mlxsw_sp_port,
periodic_hw_stats.update_dw.work);
if (!netif_carrier_ok(mlxsw_sp_port->dev))
goto out;
mlxsw_sp_port_get_hw_stats(mlxsw_sp_port->dev,
&mlxsw_sp_port->periodic_hw_stats.stats);
mlxsw_sp_port_get_hw_xstats(mlxsw_sp_port->dev,
&mlxsw_sp_port->periodic_hw_stats.xstats);
out:
mlxsw_core_schedule_dw(&mlxsw_sp_port->periodic_hw_stats.update_dw,
MLXSW_HW_STATS_UPDATE_TIME);
}
/* Return the stats from a cache that is updated periodically,
* as this function might get called in an atomic context.
*/
static void
mlxsw_sp_port_get_stats64(struct net_device *dev,
struct rtnl_link_stats64 *stats)
{
struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
memcpy(stats, &mlxsw_sp_port->periodic_hw_stats.stats, sizeof(*stats));
}
static int __mlxsw_sp_port_vlan_set(struct mlxsw_sp_port *mlxsw_sp_port,
u16 vid_begin, u16 vid_end,
bool is_member, bool untagged)
{
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
char *spvm_pl;
int err;
spvm_pl = kmalloc(MLXSW_REG_SPVM_LEN, GFP_KERNEL);
if (!spvm_pl)
return -ENOMEM;
mlxsw_reg_spvm_pack(spvm_pl, mlxsw_sp_port->local_port, vid_begin,
vid_end, is_member, untagged);
err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(spvm), spvm_pl);
kfree(spvm_pl);
return err;
}
int mlxsw_sp_port_vlan_set(struct mlxsw_sp_port *mlxsw_sp_port, u16 vid_begin,
u16 vid_end, bool is_member, bool untagged)
{
u16 vid, vid_e;
int err;
for (vid = vid_begin; vid <= vid_end;
vid += MLXSW_REG_SPVM_REC_MAX_COUNT) {
vid_e = min((u16) (vid + MLXSW_REG_SPVM_REC_MAX_COUNT - 1),
vid_end);
err = __mlxsw_sp_port_vlan_set(mlxsw_sp_port, vid, vid_e,
is_member, untagged);
if (err)
return err;
}
return 0;
}
static void mlxsw_sp_port_vlan_flush(struct mlxsw_sp_port *mlxsw_sp_port,
bool flush_default)
{
struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan, *tmp;
list_for_each_entry_safe(mlxsw_sp_port_vlan, tmp,
&mlxsw_sp_port->vlans_list, list) {
if (!flush_default &&
mlxsw_sp_port_vlan->vid == MLXSW_SP_DEFAULT_VID)
continue;
mlxsw_sp_port_vlan_destroy(mlxsw_sp_port_vlan);
}
}
static void
mlxsw_sp_port_vlan_cleanup(struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan)
{
if (mlxsw_sp_port_vlan->bridge_port)
mlxsw_sp_port_vlan_bridge_leave(mlxsw_sp_port_vlan);
else if (mlxsw_sp_port_vlan->fid)
mlxsw_sp_port_vlan_router_leave(mlxsw_sp_port_vlan);
}
struct mlxsw_sp_port_vlan *
mlxsw_sp_port_vlan_create(struct mlxsw_sp_port *mlxsw_sp_port, u16 vid)
{
struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan;
bool untagged = vid == MLXSW_SP_DEFAULT_VID;
int err;
mlxsw_sp_port_vlan = mlxsw_sp_port_vlan_find_by_vid(mlxsw_sp_port, vid);
if (mlxsw_sp_port_vlan)
return ERR_PTR(-EEXIST);
err = mlxsw_sp_port_vlan_set(mlxsw_sp_port, vid, vid, true, untagged);
if (err)
return ERR_PTR(err);
mlxsw_sp_port_vlan = kzalloc(sizeof(*mlxsw_sp_port_vlan), GFP_KERNEL);
if (!mlxsw_sp_port_vlan) {
err = -ENOMEM;
goto err_port_vlan_alloc;
}
mlxsw_sp_port_vlan->mlxsw_sp_port = mlxsw_sp_port;
mlxsw_sp_port_vlan->vid = vid;
list_add(&mlxsw_sp_port_vlan->list, &mlxsw_sp_port->vlans_list);
return mlxsw_sp_port_vlan;
err_port_vlan_alloc:
mlxsw_sp_port_vlan_set(mlxsw_sp_port, vid, vid, false, false);
return ERR_PTR(err);
}
void mlxsw_sp_port_vlan_destroy(struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan)
{
struct mlxsw_sp_port *mlxsw_sp_port = mlxsw_sp_port_vlan->mlxsw_sp_port;
u16 vid = mlxsw_sp_port_vlan->vid;
mlxsw_sp_port_vlan_cleanup(mlxsw_sp_port_vlan);
list_del(&mlxsw_sp_port_vlan->list);
kfree(mlxsw_sp_port_vlan);
mlxsw_sp_port_vlan_set(mlxsw_sp_port, vid, vid, false, false);
}
static int mlxsw_sp_port_add_vid(struct net_device *dev,
__be16 __always_unused proto, u16 vid)
{
struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
/* VLAN 0 is added to HW filter when device goes up, but it is
* reserved in our case, so simply return.
*/
if (!vid)
return 0;
return PTR_ERR_OR_ZERO(mlxsw_sp_port_vlan_create(mlxsw_sp_port, vid));
}
static int mlxsw_sp_port_kill_vid(struct net_device *dev,
__be16 __always_unused proto, u16 vid)
{
struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan;
/* VLAN 0 is removed from HW filter when device goes down, but
* it is reserved in our case, so simply return.
*/
if (!vid)
return 0;
mlxsw_sp_port_vlan = mlxsw_sp_port_vlan_find_by_vid(mlxsw_sp_port, vid);
if (!mlxsw_sp_port_vlan)
return 0;
mlxsw_sp_port_vlan_destroy(mlxsw_sp_port_vlan);
return 0;
}
static struct mlxsw_sp_port_mall_tc_entry *
mlxsw_sp_port_mall_tc_entry_find(struct mlxsw_sp_port *port,
unsigned long cookie) {
struct mlxsw_sp_port_mall_tc_entry *mall_tc_entry;
list_for_each_entry(mall_tc_entry, &port->mall_tc_list, list)
if (mall_tc_entry->cookie == cookie)
return mall_tc_entry;
return NULL;
}
static int
mlxsw_sp_port_add_cls_matchall_mirror(struct mlxsw_sp_port *mlxsw_sp_port,
struct mlxsw_sp_port_mall_mirror_tc_entry *mirror,
const struct flow_action_entry *act,
bool ingress)
{
enum mlxsw_sp_span_type span_type;
if (!act->dev) {
netdev_err(mlxsw_sp_port->dev, "Could not find requested device\n");
return -EINVAL;
}
mirror->ingress = ingress;
span_type = ingress ? MLXSW_SP_SPAN_INGRESS : MLXSW_SP_SPAN_EGRESS;
return mlxsw_sp_span_mirror_add(mlxsw_sp_port, act->dev, span_type,
true, &mirror->span_id);
}
static void
mlxsw_sp_port_del_cls_matchall_mirror(struct mlxsw_sp_port *mlxsw_sp_port,
struct mlxsw_sp_port_mall_mirror_tc_entry *mirror)
{
enum mlxsw_sp_span_type span_type;
span_type = mirror->ingress ?
MLXSW_SP_SPAN_INGRESS : MLXSW_SP_SPAN_EGRESS;
mlxsw_sp_span_mirror_del(mlxsw_sp_port, mirror->span_id,
span_type, true);
}
static int
mlxsw_sp_port_add_cls_matchall_sample(struct mlxsw_sp_port *mlxsw_sp_port,
struct tc_cls_matchall_offload *cls,
const struct flow_action_entry *act,
bool ingress)
{
int err;
if (!mlxsw_sp_port->sample)
return -EOPNOTSUPP;
if (rtnl_dereference(mlxsw_sp_port->sample->psample_group)) {
netdev_err(mlxsw_sp_port->dev, "sample already active\n");
return -EEXIST;
}
if (act->sample.rate > MLXSW_REG_MPSC_RATE_MAX) {
netdev_err(mlxsw_sp_port->dev, "sample rate not supported\n");
return -EOPNOTSUPP;
}
rcu_assign_pointer(mlxsw_sp_port->sample->psample_group,
act->sample.psample_group);
mlxsw_sp_port->sample->truncate = act->sample.truncate;
mlxsw_sp_port->sample->trunc_size = act->sample.trunc_size;
mlxsw_sp_port->sample->rate = act->sample.rate;
err = mlxsw_sp_port_sample_set(mlxsw_sp_port, true, act->sample.rate);
if (err)
goto err_port_sample_set;
return 0;
err_port_sample_set:
RCU_INIT_POINTER(mlxsw_sp_port->sample->psample_group, NULL);
return err;
}
static void
mlxsw_sp_port_del_cls_matchall_sample(struct mlxsw_sp_port *mlxsw_sp_port)
{
if (!mlxsw_sp_port->sample)
return;
mlxsw_sp_port_sample_set(mlxsw_sp_port, false, 1);
RCU_INIT_POINTER(mlxsw_sp_port->sample->psample_group, NULL);
}
static int mlxsw_sp_port_add_cls_matchall(struct mlxsw_sp_port *mlxsw_sp_port,
struct tc_cls_matchall_offload *f,
bool ingress)
{
struct mlxsw_sp_port_mall_tc_entry *mall_tc_entry;
__be16 protocol = f->common.protocol;
struct flow_action_entry *act;
int err;
if (!flow_offload_has_one_action(&f->rule->action)) {
netdev_err(mlxsw_sp_port->dev, "only singular actions are supported\n");
return -EOPNOTSUPP;
}
mall_tc_entry = kzalloc(sizeof(*mall_tc_entry), GFP_KERNEL);
if (!mall_tc_entry)
return -ENOMEM;
mall_tc_entry->cookie = f->cookie;
act = &f->rule->action.entries[0];
if (act->id == FLOW_ACTION_MIRRED && protocol == htons(ETH_P_ALL)) {
struct mlxsw_sp_port_mall_mirror_tc_entry *mirror;
mall_tc_entry->type = MLXSW_SP_PORT_MALL_MIRROR;
mirror = &mall_tc_entry->mirror;
err = mlxsw_sp_port_add_cls_matchall_mirror(mlxsw_sp_port,
mirror, act,
ingress);
} else if (act->id == FLOW_ACTION_SAMPLE &&
protocol == htons(ETH_P_ALL)) {
mall_tc_entry->type = MLXSW_SP_PORT_MALL_SAMPLE;
err = mlxsw_sp_port_add_cls_matchall_sample(mlxsw_sp_port, f,
act, ingress);
} else {
err = -EOPNOTSUPP;
}
if (err)
goto err_add_action;
list_add_tail(&mall_tc_entry->list, &mlxsw_sp_port->mall_tc_list);
return 0;
err_add_action:
kfree(mall_tc_entry);
return err;
}
static void mlxsw_sp_port_del_cls_matchall(struct mlxsw_sp_port *mlxsw_sp_port,
struct tc_cls_matchall_offload *f)
{
struct mlxsw_sp_port_mall_tc_entry *mall_tc_entry;
mall_tc_entry = mlxsw_sp_port_mall_tc_entry_find(mlxsw_sp_port,
f->cookie);
if (!mall_tc_entry) {
netdev_dbg(mlxsw_sp_port->dev, "tc entry not found on port\n");
return;
}
list_del(&mall_tc_entry->list);
switch (mall_tc_entry->type) {
case MLXSW_SP_PORT_MALL_MIRROR:
mlxsw_sp_port_del_cls_matchall_mirror(mlxsw_sp_port,
&mall_tc_entry->mirror);
break;
case MLXSW_SP_PORT_MALL_SAMPLE:
mlxsw_sp_port_del_cls_matchall_sample(mlxsw_sp_port);
break;
default:
WARN_ON(1);
}
kfree(mall_tc_entry);
}
static int mlxsw_sp_setup_tc_cls_matchall(struct mlxsw_sp_port *mlxsw_sp_port,
struct tc_cls_matchall_offload *f,
bool ingress)
{
switch (f->command) {
case TC_CLSMATCHALL_REPLACE:
return mlxsw_sp_port_add_cls_matchall(mlxsw_sp_port, f,
ingress);
case TC_CLSMATCHALL_DESTROY:
mlxsw_sp_port_del_cls_matchall(mlxsw_sp_port, f);
return 0;
default:
return -EOPNOTSUPP;
}
}
static int
mlxsw_sp_setup_tc_cls_flower(struct mlxsw_sp_acl_block *acl_block,
struct flow_cls_offload *f)
{
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_acl_block_mlxsw_sp(acl_block);
switch (f->command) {
case FLOW_CLS_REPLACE:
return mlxsw_sp_flower_replace(mlxsw_sp, acl_block, f);
case FLOW_CLS_DESTROY:
mlxsw_sp_flower_destroy(mlxsw_sp, acl_block, f);
return 0;
case FLOW_CLS_STATS:
return mlxsw_sp_flower_stats(mlxsw_sp, acl_block, f);
case FLOW_CLS_TMPLT_CREATE:
return mlxsw_sp_flower_tmplt_create(mlxsw_sp, acl_block, f);
case FLOW_CLS_TMPLT_DESTROY:
mlxsw_sp_flower_tmplt_destroy(mlxsw_sp, acl_block, f);
return 0;
default:
return -EOPNOTSUPP;
}
}
static int mlxsw_sp_setup_tc_block_cb_matchall(enum tc_setup_type type,
void *type_data,
void *cb_priv, bool ingress)
{
struct mlxsw_sp_port *mlxsw_sp_port = cb_priv;
switch (type) {
case TC_SETUP_CLSMATCHALL:
if (!tc_cls_can_offload_and_chain0(mlxsw_sp_port->dev,
type_data))
return -EOPNOTSUPP;
return mlxsw_sp_setup_tc_cls_matchall(mlxsw_sp_port, type_data,
ingress);
case TC_SETUP_CLSFLOWER:
return 0;
default:
return -EOPNOTSUPP;
}
}
static int mlxsw_sp_setup_tc_block_cb_matchall_ig(enum tc_setup_type type,
void *type_data,
void *cb_priv)
{
return mlxsw_sp_setup_tc_block_cb_matchall(type, type_data,
cb_priv, true);
}
static int mlxsw_sp_setup_tc_block_cb_matchall_eg(enum tc_setup_type type,
void *type_data,
void *cb_priv)
{
return mlxsw_sp_setup_tc_block_cb_matchall(type, type_data,
cb_priv, false);
}
static int mlxsw_sp_setup_tc_block_cb_flower(enum tc_setup_type type,
void *type_data, void *cb_priv)
{
struct mlxsw_sp_acl_block *acl_block = cb_priv;
switch (type) {
case TC_SETUP_CLSMATCHALL:
return 0;
case TC_SETUP_CLSFLOWER:
if (mlxsw_sp_acl_block_disabled(acl_block))
return -EOPNOTSUPP;
return mlxsw_sp_setup_tc_cls_flower(acl_block, type_data);
default:
return -EOPNOTSUPP;
}
}
static void mlxsw_sp_tc_block_flower_release(void *cb_priv)
{
struct mlxsw_sp_acl_block *acl_block = cb_priv;
mlxsw_sp_acl_block_destroy(acl_block);
}
static LIST_HEAD(mlxsw_sp_block_cb_list);
static int
mlxsw_sp_setup_tc_block_flower_bind(struct mlxsw_sp_port *mlxsw_sp_port,
struct flow_block_offload *f, bool ingress)
{
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
struct mlxsw_sp_acl_block *acl_block;
struct flow_block_cb *block_cb;
bool register_block = false;
int err;
block_cb = flow_block_cb_lookup(f->block,
mlxsw_sp_setup_tc_block_cb_flower,
mlxsw_sp);
if (!block_cb) {
acl_block = mlxsw_sp_acl_block_create(mlxsw_sp, f->net);
if (!acl_block)
return -ENOMEM;
block_cb = flow_block_cb_alloc(mlxsw_sp_setup_tc_block_cb_flower,
mlxsw_sp, acl_block,
mlxsw_sp_tc_block_flower_release);
if (IS_ERR(block_cb)) {
mlxsw_sp_acl_block_destroy(acl_block);
err = PTR_ERR(block_cb);
goto err_cb_register;
}
register_block = true;
} else {
acl_block = flow_block_cb_priv(block_cb);
}
flow_block_cb_incref(block_cb);
err = mlxsw_sp_acl_block_bind(mlxsw_sp, acl_block,
mlxsw_sp_port, ingress, f->extack);
if (err)
goto err_block_bind;
if (ingress)
mlxsw_sp_port->ing_acl_block = acl_block;
else
mlxsw_sp_port->eg_acl_block = acl_block;
if (register_block) {
flow_block_cb_add(block_cb, f);
list_add_tail(&block_cb->driver_list, &mlxsw_sp_block_cb_list);
}
return 0;
err_block_bind:
if (!flow_block_cb_decref(block_cb))
flow_block_cb_free(block_cb);
err_cb_register:
return err;
}
static void
mlxsw_sp_setup_tc_block_flower_unbind(struct mlxsw_sp_port *mlxsw_sp_port,
struct flow_block_offload *f, bool ingress)
{
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
struct mlxsw_sp_acl_block *acl_block;
struct flow_block_cb *block_cb;
int err;
block_cb = flow_block_cb_lookup(f->block,
mlxsw_sp_setup_tc_block_cb_flower,
mlxsw_sp);
if (!block_cb)
return;
if (ingress)
mlxsw_sp_port->ing_acl_block = NULL;
else
mlxsw_sp_port->eg_acl_block = NULL;
acl_block = flow_block_cb_priv(block_cb);
err = mlxsw_sp_acl_block_unbind(mlxsw_sp, acl_block,
mlxsw_sp_port, ingress);
if (!err && !flow_block_cb_decref(block_cb)) {
flow_block_cb_remove(block_cb, f);
list_del(&block_cb->driver_list);
}
}
static int mlxsw_sp_setup_tc_block(struct mlxsw_sp_port *mlxsw_sp_port,
struct flow_block_offload *f)
{
struct flow_block_cb *block_cb;
flow_setup_cb_t *cb;
bool ingress;
int err;
if (f->binder_type == FLOW_BLOCK_BINDER_TYPE_CLSACT_INGRESS) {
cb = mlxsw_sp_setup_tc_block_cb_matchall_ig;
ingress = true;
} else if (f->binder_type == FLOW_BLOCK_BINDER_TYPE_CLSACT_EGRESS) {
cb = mlxsw_sp_setup_tc_block_cb_matchall_eg;
ingress = false;
} else {
return -EOPNOTSUPP;
}
f->driver_block_list = &mlxsw_sp_block_cb_list;
switch (f->command) {
case FLOW_BLOCK_BIND:
if (flow_block_cb_is_busy(cb, mlxsw_sp_port,
&mlxsw_sp_block_cb_list))
return -EBUSY;
block_cb = flow_block_cb_alloc(cb, mlxsw_sp_port,
mlxsw_sp_port, NULL);
if (IS_ERR(block_cb))
return PTR_ERR(block_cb);
err = mlxsw_sp_setup_tc_block_flower_bind(mlxsw_sp_port, f,
ingress);
if (err) {
flow_block_cb_free(block_cb);
return err;
}
flow_block_cb_add(block_cb, f);
list_add_tail(&block_cb->driver_list, &mlxsw_sp_block_cb_list);
return 0;
case FLOW_BLOCK_UNBIND:
mlxsw_sp_setup_tc_block_flower_unbind(mlxsw_sp_port,
f, ingress);
block_cb = flow_block_cb_lookup(f->block, cb, mlxsw_sp_port);
if (!block_cb)
return -ENOENT;
flow_block_cb_remove(block_cb, f);
list_del(&block_cb->driver_list);
return 0;
default:
return -EOPNOTSUPP;
}
}
static int mlxsw_sp_setup_tc(struct net_device *dev, enum tc_setup_type type,
void *type_data)
{
struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
switch (type) {
case TC_SETUP_BLOCK:
return mlxsw_sp_setup_tc_block(mlxsw_sp_port, type_data);
case TC_SETUP_QDISC_RED:
return mlxsw_sp_setup_tc_red(mlxsw_sp_port, type_data);
case TC_SETUP_QDISC_PRIO:
return mlxsw_sp_setup_tc_prio(mlxsw_sp_port, type_data);
default:
return -EOPNOTSUPP;
}
}
static int mlxsw_sp_feature_hw_tc(struct net_device *dev, bool enable)
{
struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
if (!enable) {
if (mlxsw_sp_acl_block_rule_count(mlxsw_sp_port->ing_acl_block) ||
mlxsw_sp_acl_block_rule_count(mlxsw_sp_port->eg_acl_block) ||
!list_empty(&mlxsw_sp_port->mall_tc_list)) {
netdev_err(dev, "Active offloaded tc filters, can't turn hw_tc_offload off\n");
return -EINVAL;
}
mlxsw_sp_acl_block_disable_inc(mlxsw_sp_port->ing_acl_block);
mlxsw_sp_acl_block_disable_inc(mlxsw_sp_port->eg_acl_block);
} else {
mlxsw_sp_acl_block_disable_dec(mlxsw_sp_port->ing_acl_block);
mlxsw_sp_acl_block_disable_dec(mlxsw_sp_port->eg_acl_block);
}
return 0;
}
static int mlxsw_sp_feature_loopback(struct net_device *dev, bool enable)
{
struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
char pplr_pl[MLXSW_REG_PPLR_LEN];
int err;
if (netif_running(dev))
mlxsw_sp_port_admin_status_set(mlxsw_sp_port, false);
mlxsw_reg_pplr_pack(pplr_pl, mlxsw_sp_port->local_port, enable);
err = mlxsw_reg_write(mlxsw_sp_port->mlxsw_sp->core, MLXSW_REG(pplr),
pplr_pl);
if (netif_running(dev))
mlxsw_sp_port_admin_status_set(mlxsw_sp_port, true);
return err;
}
typedef int (*mlxsw_sp_feature_handler)(struct net_device *dev, bool enable);
static int mlxsw_sp_handle_feature(struct net_device *dev,
netdev_features_t wanted_features,
netdev_features_t feature,
mlxsw_sp_feature_handler feature_handler)
{
netdev_features_t changes = wanted_features ^ dev->features;
bool enable = !!(wanted_features & feature);
int err;
if (!(changes & feature))
return 0;
err = feature_handler(dev, enable);
if (err) {
netdev_err(dev, "%s feature %pNF failed, err %d\n",
enable ? "Enable" : "Disable", &feature, err);
return err;
}
if (enable)
dev->features |= feature;
else
dev->features &= ~feature;
return 0;
}
static int mlxsw_sp_set_features(struct net_device *dev,
netdev_features_t features)
{
netdev_features_t oper_features = dev->features;
int err = 0;
err |= mlxsw_sp_handle_feature(dev, features, NETIF_F_HW_TC,
mlxsw_sp_feature_hw_tc);
err |= mlxsw_sp_handle_feature(dev, features, NETIF_F_LOOPBACK,
mlxsw_sp_feature_loopback);
if (err) {
dev->features = oper_features;
return -EINVAL;
}
return 0;
}
static struct devlink_port *
mlxsw_sp_port_get_devlink_port(struct net_device *dev)
{
struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
return mlxsw_core_port_devlink_port_get(mlxsw_sp->core,
mlxsw_sp_port->local_port);
}
static int mlxsw_sp_port_hwtstamp_set(struct mlxsw_sp_port *mlxsw_sp_port,
struct ifreq *ifr)
{
struct hwtstamp_config config;
int err;
if (copy_from_user(&config, ifr->ifr_data, sizeof(config)))
return -EFAULT;
err = mlxsw_sp_port->mlxsw_sp->ptp_ops->hwtstamp_set(mlxsw_sp_port,
&config);
if (err)
return err;
if (copy_to_user(ifr->ifr_data, &config, sizeof(config)))
return -EFAULT;
return 0;
}
static int mlxsw_sp_port_hwtstamp_get(struct mlxsw_sp_port *mlxsw_sp_port,
struct ifreq *ifr)
{
struct hwtstamp_config config;
int err;
err = mlxsw_sp_port->mlxsw_sp->ptp_ops->hwtstamp_get(mlxsw_sp_port,
&config);
if (err)
return err;
if (copy_to_user(ifr->ifr_data, &config, sizeof(config)))
return -EFAULT;
return 0;
}
static inline void mlxsw_sp_port_ptp_clear(struct mlxsw_sp_port *mlxsw_sp_port)
{
struct hwtstamp_config config = {0};
mlxsw_sp_port->mlxsw_sp->ptp_ops->hwtstamp_set(mlxsw_sp_port, &config);
}
static int
mlxsw_sp_port_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
{
struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
switch (cmd) {
case SIOCSHWTSTAMP:
return mlxsw_sp_port_hwtstamp_set(mlxsw_sp_port, ifr);
case SIOCGHWTSTAMP:
return mlxsw_sp_port_hwtstamp_get(mlxsw_sp_port, ifr);
default:
return -EOPNOTSUPP;
}
}
static const struct net_device_ops mlxsw_sp_port_netdev_ops = {
.ndo_open = mlxsw_sp_port_open,
.ndo_stop = mlxsw_sp_port_stop,
.ndo_start_xmit = mlxsw_sp_port_xmit,
.ndo_setup_tc = mlxsw_sp_setup_tc,
.ndo_set_rx_mode = mlxsw_sp_set_rx_mode,
.ndo_set_mac_address = mlxsw_sp_port_set_mac_address,
.ndo_change_mtu = mlxsw_sp_port_change_mtu,
.ndo_get_stats64 = mlxsw_sp_port_get_stats64,
.ndo_has_offload_stats = mlxsw_sp_port_has_offload_stats,
.ndo_get_offload_stats = mlxsw_sp_port_get_offload_stats,
.ndo_vlan_rx_add_vid = mlxsw_sp_port_add_vid,
.ndo_vlan_rx_kill_vid = mlxsw_sp_port_kill_vid,
.ndo_set_features = mlxsw_sp_set_features,
.ndo_get_devlink_port = mlxsw_sp_port_get_devlink_port,
.ndo_do_ioctl = mlxsw_sp_port_ioctl,
};
static void mlxsw_sp_port_get_drvinfo(struct net_device *dev,
struct ethtool_drvinfo *drvinfo)
{
struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
strlcpy(drvinfo->driver, mlxsw_sp->bus_info->device_kind,
sizeof(drvinfo->driver));
strlcpy(drvinfo->version, mlxsw_sp_driver_version,
sizeof(drvinfo->version));
snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version),
"%d.%d.%d",
mlxsw_sp->bus_info->fw_rev.major,
mlxsw_sp->bus_info->fw_rev.minor,
mlxsw_sp->bus_info->fw_rev.subminor);
strlcpy(drvinfo->bus_info, mlxsw_sp->bus_info->device_name,
sizeof(drvinfo->bus_info));
}
static void mlxsw_sp_port_get_pauseparam(struct net_device *dev,
struct ethtool_pauseparam *pause)
{
struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
pause->rx_pause = mlxsw_sp_port->link.rx_pause;
pause->tx_pause = mlxsw_sp_port->link.tx_pause;
}
static int mlxsw_sp_port_pause_set(struct mlxsw_sp_port *mlxsw_sp_port,
struct ethtool_pauseparam *pause)
{
char pfcc_pl[MLXSW_REG_PFCC_LEN];
mlxsw_reg_pfcc_pack(pfcc_pl, mlxsw_sp_port->local_port);
mlxsw_reg_pfcc_pprx_set(pfcc_pl, pause->rx_pause);
mlxsw_reg_pfcc_pptx_set(pfcc_pl, pause->tx_pause);
return mlxsw_reg_write(mlxsw_sp_port->mlxsw_sp->core, MLXSW_REG(pfcc),
pfcc_pl);
}
static int mlxsw_sp_port_set_pauseparam(struct net_device *dev,
struct ethtool_pauseparam *pause)
{
struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
bool pause_en = pause->tx_pause || pause->rx_pause;
int err;
if (mlxsw_sp_port->dcb.pfc && mlxsw_sp_port->dcb.pfc->pfc_en) {
netdev_err(dev, "PFC already enabled on port\n");
return -EINVAL;
}
if (pause->autoneg) {
netdev_err(dev, "PAUSE frames autonegotiation isn't supported\n");
return -EINVAL;
}
err = mlxsw_sp_port_headroom_set(mlxsw_sp_port, dev->mtu, pause_en);
if (err) {
netdev_err(dev, "Failed to configure port's headroom\n");
return err;
}
err = mlxsw_sp_port_pause_set(mlxsw_sp_port, pause);
if (err) {
netdev_err(dev, "Failed to set PAUSE parameters\n");
goto err_port_pause_configure;
}
mlxsw_sp_port->link.rx_pause = pause->rx_pause;
mlxsw_sp_port->link.tx_pause = pause->tx_pause;
return 0;
err_port_pause_configure:
pause_en = mlxsw_sp_port_is_pause_en(mlxsw_sp_port);
mlxsw_sp_port_headroom_set(mlxsw_sp_port, dev->mtu, pause_en);
return err;
}
struct mlxsw_sp_port_hw_stats {
char str[ETH_GSTRING_LEN];
u64 (*getter)(const char *payload);
bool cells_bytes;
};
static struct mlxsw_sp_port_hw_stats mlxsw_sp_port_hw_stats[] = {
{
.str = "a_frames_transmitted_ok",
.getter = mlxsw_reg_ppcnt_a_frames_transmitted_ok_get,
},
{
.str = "a_frames_received_ok",
.getter = mlxsw_reg_ppcnt_a_frames_received_ok_get,
},
{
.str = "a_frame_check_sequence_errors",
.getter = mlxsw_reg_ppcnt_a_frame_check_sequence_errors_get,
},
{
.str = "a_alignment_errors",
.getter = mlxsw_reg_ppcnt_a_alignment_errors_get,
},
{
.str = "a_octets_transmitted_ok",
.getter = mlxsw_reg_ppcnt_a_octets_transmitted_ok_get,
},
{
.str = "a_octets_received_ok",
.getter = mlxsw_reg_ppcnt_a_octets_received_ok_get,
},
{
.str = "a_multicast_frames_xmitted_ok",
.getter = mlxsw_reg_ppcnt_a_multicast_frames_xmitted_ok_get,
},
{
.str = "a_broadcast_frames_xmitted_ok",
.getter = mlxsw_reg_ppcnt_a_broadcast_frames_xmitted_ok_get,
},
{
.str = "a_multicast_frames_received_ok",
.getter = mlxsw_reg_ppcnt_a_multicast_frames_received_ok_get,
},
{
.str = "a_broadcast_frames_received_ok",
.getter = mlxsw_reg_ppcnt_a_broadcast_frames_received_ok_get,
},
{
.str = "a_in_range_length_errors",
.getter = mlxsw_reg_ppcnt_a_in_range_length_errors_get,
},
{
.str = "a_out_of_range_length_field",
.getter = mlxsw_reg_ppcnt_a_out_of_range_length_field_get,
},
{
.str = "a_frame_too_long_errors",
.getter = mlxsw_reg_ppcnt_a_frame_too_long_errors_get,
},
{
.str = "a_symbol_error_during_carrier",
.getter = mlxsw_reg_ppcnt_a_symbol_error_during_carrier_get,
},
{
.str = "a_mac_control_frames_transmitted",
.getter = mlxsw_reg_ppcnt_a_mac_control_frames_transmitted_get,
},
{
.str = "a_mac_control_frames_received",
.getter = mlxsw_reg_ppcnt_a_mac_control_frames_received_get,
},
{
.str = "a_unsupported_opcodes_received",
.getter = mlxsw_reg_ppcnt_a_unsupported_opcodes_received_get,
},
{
.str = "a_pause_mac_ctrl_frames_received",
.getter = mlxsw_reg_ppcnt_a_pause_mac_ctrl_frames_received_get,
},
{
.str = "a_pause_mac_ctrl_frames_xmitted",
.getter = mlxsw_reg_ppcnt_a_pause_mac_ctrl_frames_transmitted_get,
},
};
#define MLXSW_SP_PORT_HW_STATS_LEN ARRAY_SIZE(mlxsw_sp_port_hw_stats)
static struct mlxsw_sp_port_hw_stats mlxsw_sp_port_hw_rfc_2863_stats[] = {
{
.str = "if_in_discards",
.getter = mlxsw_reg_ppcnt_if_in_discards_get,
},
{
.str = "if_out_discards",
.getter = mlxsw_reg_ppcnt_if_out_discards_get,
},
{
.str = "if_out_errors",
.getter = mlxsw_reg_ppcnt_if_out_errors_get,
},
};
#define MLXSW_SP_PORT_HW_RFC_2863_STATS_LEN \
ARRAY_SIZE(mlxsw_sp_port_hw_rfc_2863_stats)
static struct mlxsw_sp_port_hw_stats mlxsw_sp_port_hw_rfc_2819_stats[] = {
{
.str = "ether_stats_undersize_pkts",
.getter = mlxsw_reg_ppcnt_ether_stats_undersize_pkts_get,
},
{
.str = "ether_stats_oversize_pkts",
.getter = mlxsw_reg_ppcnt_ether_stats_oversize_pkts_get,
},
{
.str = "ether_stats_fragments",
.getter = mlxsw_reg_ppcnt_ether_stats_fragments_get,
},
{
.str = "ether_pkts64octets",
.getter = mlxsw_reg_ppcnt_ether_stats_pkts64octets_get,
},
{
.str = "ether_pkts65to127octets",
.getter = mlxsw_reg_ppcnt_ether_stats_pkts65to127octets_get,
},
{
.str = "ether_pkts128to255octets",
.getter = mlxsw_reg_ppcnt_ether_stats_pkts128to255octets_get,
},
{
.str = "ether_pkts256to511octets",
.getter = mlxsw_reg_ppcnt_ether_stats_pkts256to511octets_get,
},
{
.str = "ether_pkts512to1023octets",
.getter = mlxsw_reg_ppcnt_ether_stats_pkts512to1023octets_get,
},
{
.str = "ether_pkts1024to1518octets",
.getter = mlxsw_reg_ppcnt_ether_stats_pkts1024to1518octets_get,
},
{
.str = "ether_pkts1519to2047octets",
.getter = mlxsw_reg_ppcnt_ether_stats_pkts1519to2047octets_get,
},
{
.str = "ether_pkts2048to4095octets",
.getter = mlxsw_reg_ppcnt_ether_stats_pkts2048to4095octets_get,
},
{
.str = "ether_pkts4096to8191octets",
.getter = mlxsw_reg_ppcnt_ether_stats_pkts4096to8191octets_get,
},
{
.str = "ether_pkts8192to10239octets",
.getter = mlxsw_reg_ppcnt_ether_stats_pkts8192to10239octets_get,
},
};
#define MLXSW_SP_PORT_HW_RFC_2819_STATS_LEN \
ARRAY_SIZE(mlxsw_sp_port_hw_rfc_2819_stats)
static struct mlxsw_sp_port_hw_stats mlxsw_sp_port_hw_rfc_3635_stats[] = {
{
.str = "dot3stats_fcs_errors",
.getter = mlxsw_reg_ppcnt_dot3stats_fcs_errors_get,
},
{
.str = "dot3stats_symbol_errors",
.getter = mlxsw_reg_ppcnt_dot3stats_symbol_errors_get,
},
{
.str = "dot3control_in_unknown_opcodes",
.getter = mlxsw_reg_ppcnt_dot3control_in_unknown_opcodes_get,
},
{
.str = "dot3in_pause_frames",
.getter = mlxsw_reg_ppcnt_dot3in_pause_frames_get,
},
};
#define MLXSW_SP_PORT_HW_RFC_3635_STATS_LEN \
ARRAY_SIZE(mlxsw_sp_port_hw_rfc_3635_stats)
static struct mlxsw_sp_port_hw_stats mlxsw_sp_port_hw_discard_stats[] = {
{
.str = "discard_ingress_general",
.getter = mlxsw_reg_ppcnt_ingress_general_get,
},
{
.str = "discard_ingress_policy_engine",
.getter = mlxsw_reg_ppcnt_ingress_policy_engine_get,
},
{
.str = "discard_ingress_vlan_membership",
.getter = mlxsw_reg_ppcnt_ingress_vlan_membership_get,
},
{
.str = "discard_ingress_tag_frame_type",
.getter = mlxsw_reg_ppcnt_ingress_tag_frame_type_get,
},
{
.str = "discard_egress_vlan_membership",
.getter = mlxsw_reg_ppcnt_egress_vlan_membership_get,
},
{
.str = "discard_loopback_filter",
.getter = mlxsw_reg_ppcnt_loopback_filter_get,
},
{
.str = "discard_egress_general",
.getter = mlxsw_reg_ppcnt_egress_general_get,
},
{
.str = "discard_egress_hoq",
.getter = mlxsw_reg_ppcnt_egress_hoq_get,
},
{
.str = "discard_egress_policy_engine",
.getter = mlxsw_reg_ppcnt_egress_policy_engine_get,
},
{
.str = "discard_ingress_tx_link_down",
.getter = mlxsw_reg_ppcnt_ingress_tx_link_down_get,
},
{
.str = "discard_egress_stp_filter",
.getter = mlxsw_reg_ppcnt_egress_stp_filter_get,
},
{
.str = "discard_egress_sll",
.getter = mlxsw_reg_ppcnt_egress_sll_get,
},
};
#define MLXSW_SP_PORT_HW_DISCARD_STATS_LEN \
ARRAY_SIZE(mlxsw_sp_port_hw_discard_stats)
static struct mlxsw_sp_port_hw_stats mlxsw_sp_port_hw_prio_stats[] = {
{
.str = "rx_octets_prio",
.getter = mlxsw_reg_ppcnt_rx_octets_get,
},
{
.str = "rx_frames_prio",
.getter = mlxsw_reg_ppcnt_rx_frames_get,
},
{
.str = "tx_octets_prio",
.getter = mlxsw_reg_ppcnt_tx_octets_get,
},
{
.str = "tx_frames_prio",
.getter = mlxsw_reg_ppcnt_tx_frames_get,
},
{
.str = "rx_pause_prio",
.getter = mlxsw_reg_ppcnt_rx_pause_get,
},
{
.str = "rx_pause_duration_prio",
.getter = mlxsw_reg_ppcnt_rx_pause_duration_get,
},
{
.str = "tx_pause_prio",
.getter = mlxsw_reg_ppcnt_tx_pause_get,
},
{
.str = "tx_pause_duration_prio",
.getter = mlxsw_reg_ppcnt_tx_pause_duration_get,
},
};
#define MLXSW_SP_PORT_HW_PRIO_STATS_LEN ARRAY_SIZE(mlxsw_sp_port_hw_prio_stats)
static struct mlxsw_sp_port_hw_stats mlxsw_sp_port_hw_tc_stats[] = {
{
.str = "tc_transmit_queue_tc",
.getter = mlxsw_reg_ppcnt_tc_transmit_queue_get,
.cells_bytes = true,
},
{
.str = "tc_no_buffer_discard_uc_tc",
.getter = mlxsw_reg_ppcnt_tc_no_buffer_discard_uc_get,
},
};
#define MLXSW_SP_PORT_HW_TC_STATS_LEN ARRAY_SIZE(mlxsw_sp_port_hw_tc_stats)
#define MLXSW_SP_PORT_ETHTOOL_STATS_LEN (MLXSW_SP_PORT_HW_STATS_LEN + \
MLXSW_SP_PORT_HW_RFC_2863_STATS_LEN + \
MLXSW_SP_PORT_HW_RFC_2819_STATS_LEN + \
MLXSW_SP_PORT_HW_RFC_3635_STATS_LEN + \
MLXSW_SP_PORT_HW_DISCARD_STATS_LEN + \
(MLXSW_SP_PORT_HW_PRIO_STATS_LEN * \
IEEE_8021QAZ_MAX_TCS) + \
(MLXSW_SP_PORT_HW_TC_STATS_LEN * \
TC_MAX_QUEUE))
static void mlxsw_sp_port_get_prio_strings(u8 **p, int prio)
{
int i;
for (i = 0; i < MLXSW_SP_PORT_HW_PRIO_STATS_LEN; i++) {
snprintf(*p, ETH_GSTRING_LEN, "%.29s_%.1d",
mlxsw_sp_port_hw_prio_stats[i].str, prio);
*p += ETH_GSTRING_LEN;
}
}
static void mlxsw_sp_port_get_tc_strings(u8 **p, int tc)
{
int i;
for (i = 0; i < MLXSW_SP_PORT_HW_TC_STATS_LEN; i++) {
snprintf(*p, ETH_GSTRING_LEN, "%.29s_%.1d",
mlxsw_sp_port_hw_tc_stats[i].str, tc);
*p += ETH_GSTRING_LEN;
}
}
static void mlxsw_sp_port_get_strings(struct net_device *dev,
u32 stringset, u8 *data)
{
struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
u8 *p = data;
int i;
switch (stringset) {
case ETH_SS_STATS:
for (i = 0; i < MLXSW_SP_PORT_HW_STATS_LEN; i++) {
memcpy(p, mlxsw_sp_port_hw_stats[i].str,
ETH_GSTRING_LEN);
p += ETH_GSTRING_LEN;
}
for (i = 0; i < MLXSW_SP_PORT_HW_RFC_2863_STATS_LEN; i++) {
memcpy(p, mlxsw_sp_port_hw_rfc_2863_stats[i].str,
ETH_GSTRING_LEN);
p += ETH_GSTRING_LEN;
}
for (i = 0; i < MLXSW_SP_PORT_HW_RFC_2819_STATS_LEN; i++) {
memcpy(p, mlxsw_sp_port_hw_rfc_2819_stats[i].str,
ETH_GSTRING_LEN);
p += ETH_GSTRING_LEN;
}
for (i = 0; i < MLXSW_SP_PORT_HW_RFC_3635_STATS_LEN; i++) {
memcpy(p, mlxsw_sp_port_hw_rfc_3635_stats[i].str,
ETH_GSTRING_LEN);
p += ETH_GSTRING_LEN;
}
for (i = 0; i < MLXSW_SP_PORT_HW_DISCARD_STATS_LEN; i++) {
memcpy(p, mlxsw_sp_port_hw_discard_stats[i].str,
ETH_GSTRING_LEN);
p += ETH_GSTRING_LEN;
}
for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++)
mlxsw_sp_port_get_prio_strings(&p, i);
for (i = 0; i < TC_MAX_QUEUE; i++)
mlxsw_sp_port_get_tc_strings(&p, i);
mlxsw_sp_port->mlxsw_sp->ptp_ops->get_stats_strings(&p);
break;
}
}
static int mlxsw_sp_port_set_phys_id(struct net_device *dev,
enum ethtool_phys_id_state state)
{
struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
char mlcr_pl[MLXSW_REG_MLCR_LEN];
bool active;
switch (state) {
case ETHTOOL_ID_ACTIVE:
active = true;
break;
case ETHTOOL_ID_INACTIVE:
active = false;
break;
default:
return -EOPNOTSUPP;
}
mlxsw_reg_mlcr_pack(mlcr_pl, mlxsw_sp_port->local_port, active);
return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(mlcr), mlcr_pl);
}
static int
mlxsw_sp_get_hw_stats_by_group(struct mlxsw_sp_port_hw_stats **p_hw_stats,
int *p_len, enum mlxsw_reg_ppcnt_grp grp)
{
switch (grp) {
case MLXSW_REG_PPCNT_IEEE_8023_CNT:
*p_hw_stats = mlxsw_sp_port_hw_stats;
*p_len = MLXSW_SP_PORT_HW_STATS_LEN;
break;
case MLXSW_REG_PPCNT_RFC_2863_CNT:
*p_hw_stats = mlxsw_sp_port_hw_rfc_2863_stats;
*p_len = MLXSW_SP_PORT_HW_RFC_2863_STATS_LEN;
break;
case MLXSW_REG_PPCNT_RFC_2819_CNT:
*p_hw_stats = mlxsw_sp_port_hw_rfc_2819_stats;
*p_len = MLXSW_SP_PORT_HW_RFC_2819_STATS_LEN;
break;
case MLXSW_REG_PPCNT_RFC_3635_CNT:
*p_hw_stats = mlxsw_sp_port_hw_rfc_3635_stats;
*p_len = MLXSW_SP_PORT_HW_RFC_3635_STATS_LEN;
break;
case MLXSW_REG_PPCNT_DISCARD_CNT:
*p_hw_stats = mlxsw_sp_port_hw_discard_stats;
*p_len = MLXSW_SP_PORT_HW_DISCARD_STATS_LEN;
break;
case MLXSW_REG_PPCNT_PRIO_CNT:
*p_hw_stats = mlxsw_sp_port_hw_prio_stats;
*p_len = MLXSW_SP_PORT_HW_PRIO_STATS_LEN;
break;
case MLXSW_REG_PPCNT_TC_CNT:
*p_hw_stats = mlxsw_sp_port_hw_tc_stats;
*p_len = MLXSW_SP_PORT_HW_TC_STATS_LEN;
break;
default:
WARN_ON(1);
return -EOPNOTSUPP;
}
return 0;
}
static void __mlxsw_sp_port_get_stats(struct net_device *dev,
enum mlxsw_reg_ppcnt_grp grp, int prio,
u64 *data, int data_index)
{
struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
struct mlxsw_sp_port_hw_stats *hw_stats;
char ppcnt_pl[MLXSW_REG_PPCNT_LEN];
int i, len;
int err;
err = mlxsw_sp_get_hw_stats_by_group(&hw_stats, &len, grp);
if (err)
return;
mlxsw_sp_port_get_stats_raw(dev, grp, prio, ppcnt_pl);
for (i = 0; i < len; i++) {
data[data_index + i] = hw_stats[i].getter(ppcnt_pl);
if (!hw_stats[i].cells_bytes)
continue;
data[data_index + i] = mlxsw_sp_cells_bytes(mlxsw_sp,
data[data_index + i]);
}
}
static void mlxsw_sp_port_get_stats(struct net_device *dev,
struct ethtool_stats *stats, u64 *data)
{
struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
int i, data_index = 0;
/* IEEE 802.3 Counters */
__mlxsw_sp_port_get_stats(dev, MLXSW_REG_PPCNT_IEEE_8023_CNT, 0,
data, data_index);
data_index = MLXSW_SP_PORT_HW_STATS_LEN;
/* RFC 2863 Counters */
__mlxsw_sp_port_get_stats(dev, MLXSW_REG_PPCNT_RFC_2863_CNT, 0,
data, data_index);
data_index += MLXSW_SP_PORT_HW_RFC_2863_STATS_LEN;
/* RFC 2819 Counters */
__mlxsw_sp_port_get_stats(dev, MLXSW_REG_PPCNT_RFC_2819_CNT, 0,
data, data_index);
data_index += MLXSW_SP_PORT_HW_RFC_2819_STATS_LEN;
/* RFC 3635 Counters */
__mlxsw_sp_port_get_stats(dev, MLXSW_REG_PPCNT_RFC_3635_CNT, 0,
data, data_index);
data_index += MLXSW_SP_PORT_HW_RFC_3635_STATS_LEN;
/* Discard Counters */
__mlxsw_sp_port_get_stats(dev, MLXSW_REG_PPCNT_DISCARD_CNT, 0,
data, data_index);
data_index += MLXSW_SP_PORT_HW_DISCARD_STATS_LEN;
/* Per-Priority Counters */
for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) {
__mlxsw_sp_port_get_stats(dev, MLXSW_REG_PPCNT_PRIO_CNT, i,
data, data_index);
data_index += MLXSW_SP_PORT_HW_PRIO_STATS_LEN;
}
/* Per-TC Counters */
for (i = 0; i < TC_MAX_QUEUE; i++) {
__mlxsw_sp_port_get_stats(dev, MLXSW_REG_PPCNT_TC_CNT, i,
data, data_index);
data_index += MLXSW_SP_PORT_HW_TC_STATS_LEN;
}
/* PTP counters */
mlxsw_sp_port->mlxsw_sp->ptp_ops->get_stats(mlxsw_sp_port,
data, data_index);
data_index += mlxsw_sp_port->mlxsw_sp->ptp_ops->get_stats_count();
}
static int mlxsw_sp_port_get_sset_count(struct net_device *dev, int sset)
{
struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
switch (sset) {
case ETH_SS_STATS:
return MLXSW_SP_PORT_ETHTOOL_STATS_LEN +
mlxsw_sp_port->mlxsw_sp->ptp_ops->get_stats_count();
default:
return -EOPNOTSUPP;
}
}
struct mlxsw_sp1_port_link_mode {
enum ethtool_link_mode_bit_indices mask_ethtool;
u32 mask;
u32 speed;
};
static const struct mlxsw_sp1_port_link_mode mlxsw_sp1_port_link_mode[] = {
{
.mask = MLXSW_REG_PTYS_ETH_SPEED_100BASE_T,
.mask_ethtool = ETHTOOL_LINK_MODE_100baseT_Full_BIT,
.speed = SPEED_100,
},
{
.mask = MLXSW_REG_PTYS_ETH_SPEED_SGMII |
MLXSW_REG_PTYS_ETH_SPEED_1000BASE_KX,
.mask_ethtool = ETHTOOL_LINK_MODE_1000baseKX_Full_BIT,
.speed = SPEED_1000,
},
{
.mask = MLXSW_REG_PTYS_ETH_SPEED_10GBASE_T,
.mask_ethtool = ETHTOOL_LINK_MODE_10000baseT_Full_BIT,
.speed = SPEED_10000,
},
{
.mask = MLXSW_REG_PTYS_ETH_SPEED_10GBASE_CX4 |
MLXSW_REG_PTYS_ETH_SPEED_10GBASE_KX4,
.mask_ethtool = ETHTOOL_LINK_MODE_10000baseKX4_Full_BIT,
.speed = SPEED_10000,
},
{
.mask = MLXSW_REG_PTYS_ETH_SPEED_10GBASE_KR |
MLXSW_REG_PTYS_ETH_SPEED_10GBASE_CR |
MLXSW_REG_PTYS_ETH_SPEED_10GBASE_SR |
MLXSW_REG_PTYS_ETH_SPEED_10GBASE_ER_LR,
.mask_ethtool = ETHTOOL_LINK_MODE_10000baseKR_Full_BIT,
.speed = SPEED_10000,
},
{
.mask = MLXSW_REG_PTYS_ETH_SPEED_20GBASE_KR2,
.mask_ethtool = ETHTOOL_LINK_MODE_20000baseKR2_Full_BIT,
.speed = SPEED_20000,
},
{
.mask = MLXSW_REG_PTYS_ETH_SPEED_40GBASE_CR4,
.mask_ethtool = ETHTOOL_LINK_MODE_40000baseCR4_Full_BIT,
.speed = SPEED_40000,
},
{
.mask = MLXSW_REG_PTYS_ETH_SPEED_40GBASE_KR4,
.mask_ethtool = ETHTOOL_LINK_MODE_40000baseKR4_Full_BIT,
.speed = SPEED_40000,
},
{
.mask = MLXSW_REG_PTYS_ETH_SPEED_40GBASE_SR4,
.mask_ethtool = ETHTOOL_LINK_MODE_40000baseSR4_Full_BIT,
.speed = SPEED_40000,
},
{
.mask = MLXSW_REG_PTYS_ETH_SPEED_40GBASE_LR4_ER4,
.mask_ethtool = ETHTOOL_LINK_MODE_40000baseLR4_Full_BIT,
.speed = SPEED_40000,
},
{
.mask = MLXSW_REG_PTYS_ETH_SPEED_25GBASE_CR,
.mask_ethtool = ETHTOOL_LINK_MODE_25000baseCR_Full_BIT,
.speed = SPEED_25000,
},
{
.mask = MLXSW_REG_PTYS_ETH_SPEED_25GBASE_KR,
.mask_ethtool = ETHTOOL_LINK_MODE_25000baseKR_Full_BIT,
.speed = SPEED_25000,
},
{
.mask = MLXSW_REG_PTYS_ETH_SPEED_25GBASE_SR,
.mask_ethtool = ETHTOOL_LINK_MODE_25000baseSR_Full_BIT,
.speed = SPEED_25000,
},
{
.mask = MLXSW_REG_PTYS_ETH_SPEED_50GBASE_CR2,
.mask_ethtool = ETHTOOL_LINK_MODE_50000baseCR2_Full_BIT,
.speed = SPEED_50000,
},
{
.mask = MLXSW_REG_PTYS_ETH_SPEED_50GBASE_KR2,
.mask_ethtool = ETHTOOL_LINK_MODE_50000baseKR2_Full_BIT,
.speed = SPEED_50000,
},
{
.mask = MLXSW_REG_PTYS_ETH_SPEED_50GBASE_SR2,
.mask_ethtool = ETHTOOL_LINK_MODE_50000baseSR2_Full_BIT,
.speed = SPEED_50000,
},
{
.mask = MLXSW_REG_PTYS_ETH_SPEED_100GBASE_CR4,
.mask_ethtool = ETHTOOL_LINK_MODE_100000baseCR4_Full_BIT,
.speed = SPEED_100000,
},
{
.mask = MLXSW_REG_PTYS_ETH_SPEED_100GBASE_SR4,
.mask_ethtool = ETHTOOL_LINK_MODE_100000baseSR4_Full_BIT,
.speed = SPEED_100000,
},
{
.mask = MLXSW_REG_PTYS_ETH_SPEED_100GBASE_KR4,
.mask_ethtool = ETHTOOL_LINK_MODE_100000baseKR4_Full_BIT,
.speed = SPEED_100000,
},
{
.mask = MLXSW_REG_PTYS_ETH_SPEED_100GBASE_LR4_ER4,
.mask_ethtool = ETHTOOL_LINK_MODE_100000baseLR4_ER4_Full_BIT,
.speed = SPEED_100000,
},
};
#define MLXSW_SP1_PORT_LINK_MODE_LEN ARRAY_SIZE(mlxsw_sp1_port_link_mode)
static void
mlxsw_sp1_from_ptys_supported_port(struct mlxsw_sp *mlxsw_sp,
u32 ptys_eth_proto,
struct ethtool_link_ksettings *cmd)
{
if (ptys_eth_proto & (MLXSW_REG_PTYS_ETH_SPEED_10GBASE_CR |
MLXSW_REG_PTYS_ETH_SPEED_10GBASE_SR |
MLXSW_REG_PTYS_ETH_SPEED_40GBASE_CR4 |
MLXSW_REG_PTYS_ETH_SPEED_40GBASE_SR4 |
MLXSW_REG_PTYS_ETH_SPEED_100GBASE_SR4 |
MLXSW_REG_PTYS_ETH_SPEED_SGMII))
ethtool_link_ksettings_add_link_mode(cmd, supported, FIBRE);
if (ptys_eth_proto & (MLXSW_REG_PTYS_ETH_SPEED_10GBASE_KR |
MLXSW_REG_PTYS_ETH_SPEED_10GBASE_KX4 |
MLXSW_REG_PTYS_ETH_SPEED_40GBASE_KR4 |
MLXSW_REG_PTYS_ETH_SPEED_100GBASE_KR4 |
MLXSW_REG_PTYS_ETH_SPEED_1000BASE_KX))
ethtool_link_ksettings_add_link_mode(cmd, supported, Backplane);
}
static void
mlxsw_sp1_from_ptys_link(struct mlxsw_sp *mlxsw_sp, u32 ptys_eth_proto,
u8 width, unsigned long *mode)
{
int i;
for (i = 0; i < MLXSW_SP1_PORT_LINK_MODE_LEN; i++) {
if (ptys_eth_proto & mlxsw_sp1_port_link_mode[i].mask)
__set_bit(mlxsw_sp1_port_link_mode[i].mask_ethtool,
mode);
}
}
static u32
mlxsw_sp1_from_ptys_speed(struct mlxsw_sp *mlxsw_sp, u32 ptys_eth_proto)
{
int i;
for (i = 0; i < MLXSW_SP1_PORT_LINK_MODE_LEN; i++) {
if (ptys_eth_proto & mlxsw_sp1_port_link_mode[i].mask)
return mlxsw_sp1_port_link_mode[i].speed;
}
return SPEED_UNKNOWN;
}
static void
mlxsw_sp1_from_ptys_speed_duplex(struct mlxsw_sp *mlxsw_sp, bool carrier_ok,
u32 ptys_eth_proto,
struct ethtool_link_ksettings *cmd)
{
cmd->base.speed = SPEED_UNKNOWN;
cmd->base.duplex = DUPLEX_UNKNOWN;
if (!carrier_ok)
return;
cmd->base.speed = mlxsw_sp1_from_ptys_speed(mlxsw_sp, ptys_eth_proto);
if (cmd->base.speed != SPEED_UNKNOWN)
cmd->base.duplex = DUPLEX_FULL;
}
static u32
mlxsw_sp1_to_ptys_advert_link(struct mlxsw_sp *mlxsw_sp, u8 width,
const struct ethtool_link_ksettings *cmd)
{
u32 ptys_proto = 0;
int i;
for (i = 0; i < MLXSW_SP1_PORT_LINK_MODE_LEN; i++) {
if (test_bit(mlxsw_sp1_port_link_mode[i].mask_ethtool,
cmd->link_modes.advertising))
ptys_proto |= mlxsw_sp1_port_link_mode[i].mask;
}
return ptys_proto;
}
static u32 mlxsw_sp1_to_ptys_speed(struct mlxsw_sp *mlxsw_sp, u8 width,
u32 speed)
{
u32 ptys_proto = 0;
int i;
for (i = 0; i < MLXSW_SP1_PORT_LINK_MODE_LEN; i++) {
if (speed == mlxsw_sp1_port_link_mode[i].speed)
ptys_proto |= mlxsw_sp1_port_link_mode[i].mask;
}
return ptys_proto;
}
static u32
mlxsw_sp1_to_ptys_upper_speed(struct mlxsw_sp *mlxsw_sp, u32 upper_speed)
{
u32 ptys_proto = 0;
int i;
for (i = 0; i < MLXSW_SP1_PORT_LINK_MODE_LEN; i++) {
if (mlxsw_sp1_port_link_mode[i].speed <= upper_speed)
ptys_proto |= mlxsw_sp1_port_link_mode[i].mask;
}
return ptys_proto;
}
static int
mlxsw_sp1_port_speed_base(struct mlxsw_sp *mlxsw_sp, u8 local_port,
u32 *base_speed)
{
*base_speed = MLXSW_SP_PORT_BASE_SPEED_25G;
return 0;
}
static void
mlxsw_sp1_reg_ptys_eth_pack(struct mlxsw_sp *mlxsw_sp, char *payload,
u8 local_port, u32 proto_admin, bool autoneg)
{
mlxsw_reg_ptys_eth_pack(payload, local_port, proto_admin, autoneg);
}
static void
mlxsw_sp1_reg_ptys_eth_unpack(struct mlxsw_sp *mlxsw_sp, char *payload,
u32 *p_eth_proto_cap, u32 *p_eth_proto_admin,
u32 *p_eth_proto_oper)
{
mlxsw_reg_ptys_eth_unpack(payload, p_eth_proto_cap, p_eth_proto_admin,
p_eth_proto_oper);
}
static const struct mlxsw_sp_port_type_speed_ops
mlxsw_sp1_port_type_speed_ops = {
.from_ptys_supported_port = mlxsw_sp1_from_ptys_supported_port,
.from_ptys_link = mlxsw_sp1_from_ptys_link,
.from_ptys_speed = mlxsw_sp1_from_ptys_speed,
.from_ptys_speed_duplex = mlxsw_sp1_from_ptys_speed_duplex,
.to_ptys_advert_link = mlxsw_sp1_to_ptys_advert_link,
.to_ptys_speed = mlxsw_sp1_to_ptys_speed,
.to_ptys_upper_speed = mlxsw_sp1_to_ptys_upper_speed,
.port_speed_base = mlxsw_sp1_port_speed_base,
.reg_ptys_eth_pack = mlxsw_sp1_reg_ptys_eth_pack,
.reg_ptys_eth_unpack = mlxsw_sp1_reg_ptys_eth_unpack,
};
static const enum ethtool_link_mode_bit_indices
mlxsw_sp2_mask_ethtool_sgmii_100m[] = {
ETHTOOL_LINK_MODE_100baseT_Full_BIT,
};
#define MLXSW_SP2_MASK_ETHTOOL_SGMII_100M_LEN \
ARRAY_SIZE(mlxsw_sp2_mask_ethtool_sgmii_100m)
static const enum ethtool_link_mode_bit_indices
mlxsw_sp2_mask_ethtool_1000base_x_sgmii[] = {
ETHTOOL_LINK_MODE_1000baseT_Full_BIT,
ETHTOOL_LINK_MODE_1000baseKX_Full_BIT,
};
#define MLXSW_SP2_MASK_ETHTOOL_1000BASE_X_SGMII_LEN \
ARRAY_SIZE(mlxsw_sp2_mask_ethtool_1000base_x_sgmii)
static const enum ethtool_link_mode_bit_indices
mlxsw_sp2_mask_ethtool_2_5gbase_x_2_5gmii[] = {
ETHTOOL_LINK_MODE_2500baseX_Full_BIT,
};
#define MLXSW_SP2_MASK_ETHTOOL_2_5GBASE_X_2_5GMII_LEN \
ARRAY_SIZE(mlxsw_sp2_mask_ethtool_2_5gbase_x_2_5gmii)
static const enum ethtool_link_mode_bit_indices
mlxsw_sp2_mask_ethtool_5gbase_r[] = {
ETHTOOL_LINK_MODE_5000baseT_Full_BIT,
};
#define MLXSW_SP2_MASK_ETHTOOL_5GBASE_R_LEN \
ARRAY_SIZE(mlxsw_sp2_mask_ethtool_5gbase_r)
static const enum ethtool_link_mode_bit_indices
mlxsw_sp2_mask_ethtool_xfi_xaui_1_10g[] = {
ETHTOOL_LINK_MODE_10000baseT_Full_BIT,
ETHTOOL_LINK_MODE_10000baseKR_Full_BIT,
ETHTOOL_LINK_MODE_10000baseR_FEC_BIT,
ETHTOOL_LINK_MODE_10000baseCR_Full_BIT,
ETHTOOL_LINK_MODE_10000baseSR_Full_BIT,
ETHTOOL_LINK_MODE_10000baseLR_Full_BIT,
ETHTOOL_LINK_MODE_10000baseER_Full_BIT,
};
#define MLXSW_SP2_MASK_ETHTOOL_XFI_XAUI_1_10G_LEN \
ARRAY_SIZE(mlxsw_sp2_mask_ethtool_xfi_xaui_1_10g)
static const enum ethtool_link_mode_bit_indices
mlxsw_sp2_mask_ethtool_xlaui_4_xlppi_4_40g[] = {
ETHTOOL_LINK_MODE_40000baseKR4_Full_BIT,
ETHTOOL_LINK_MODE_40000baseCR4_Full_BIT,
ETHTOOL_LINK_MODE_40000baseSR4_Full_BIT,
ETHTOOL_LINK_MODE_40000baseLR4_Full_BIT,
};
#define MLXSW_SP2_MASK_ETHTOOL_XLAUI_4_XLPPI_4_40G_LEN \
ARRAY_SIZE(mlxsw_sp2_mask_ethtool_xlaui_4_xlppi_4_40g)
static const enum ethtool_link_mode_bit_indices
mlxsw_sp2_mask_ethtool_25gaui_1_25gbase_cr_kr[] = {
ETHTOOL_LINK_MODE_25000baseCR_Full_BIT,
ETHTOOL_LINK_MODE_25000baseKR_Full_BIT,
ETHTOOL_LINK_MODE_25000baseSR_Full_BIT,
};
#define MLXSW_SP2_MASK_ETHTOOL_25GAUI_1_25GBASE_CR_KR_LEN \
ARRAY_SIZE(mlxsw_sp2_mask_ethtool_25gaui_1_25gbase_cr_kr)
static const enum ethtool_link_mode_bit_indices
mlxsw_sp2_mask_ethtool_50gaui_2_laui_2_50gbase_cr2_kr2[] = {
ETHTOOL_LINK_MODE_50000baseCR2_Full_BIT,
ETHTOOL_LINK_MODE_50000baseKR2_Full_BIT,
ETHTOOL_LINK_MODE_50000baseSR2_Full_BIT,
};
#define MLXSW_SP2_MASK_ETHTOOL_50GAUI_2_LAUI_2_50GBASE_CR2_KR2_LEN \
ARRAY_SIZE(mlxsw_sp2_mask_ethtool_50gaui_2_laui_2_50gbase_cr2_kr2)
static const enum ethtool_link_mode_bit_indices
mlxsw_sp2_mask_ethtool_50gaui_1_laui_1_50gbase_cr_kr[] = {
ETHTOOL_LINK_MODE_50000baseKR_Full_BIT,
ETHTOOL_LINK_MODE_50000baseSR_Full_BIT,
ETHTOOL_LINK_MODE_50000baseCR_Full_BIT,
ETHTOOL_LINK_MODE_50000baseLR_ER_FR_Full_BIT,
ETHTOOL_LINK_MODE_50000baseDR_Full_BIT,
};
#define MLXSW_SP2_MASK_ETHTOOL_50GAUI_1_LAUI_1_50GBASE_CR_KR_LEN \
ARRAY_SIZE(mlxsw_sp2_mask_ethtool_50gaui_1_laui_1_50gbase_cr_kr)
static const enum ethtool_link_mode_bit_indices
mlxsw_sp2_mask_ethtool_caui_4_100gbase_cr4_kr4[] = {
ETHTOOL_LINK_MODE_100000baseKR4_Full_BIT,
ETHTOOL_LINK_MODE_100000baseSR4_Full_BIT,
ETHTOOL_LINK_MODE_100000baseCR4_Full_BIT,
ETHTOOL_LINK_MODE_100000baseLR4_ER4_Full_BIT,
};
#define MLXSW_SP2_MASK_ETHTOOL_CAUI_4_100GBASE_CR4_KR4_LEN \
ARRAY_SIZE(mlxsw_sp2_mask_ethtool_caui_4_100gbase_cr4_kr4)
static const enum ethtool_link_mode_bit_indices
mlxsw_sp2_mask_ethtool_100gaui_2_100gbase_cr2_kr2[] = {
ETHTOOL_LINK_MODE_100000baseKR2_Full_BIT,
ETHTOOL_LINK_MODE_100000baseSR2_Full_BIT,
ETHTOOL_LINK_MODE_100000baseCR2_Full_BIT,
ETHTOOL_LINK_MODE_100000baseLR2_ER2_FR2_Full_BIT,
ETHTOOL_LINK_MODE_100000baseDR2_Full_BIT,
};
#define MLXSW_SP2_MASK_ETHTOOL_100GAUI_2_100GBASE_CR2_KR2_LEN \
ARRAY_SIZE(mlxsw_sp2_mask_ethtool_100gaui_2_100gbase_cr2_kr2)
static const enum ethtool_link_mode_bit_indices
mlxsw_sp2_mask_ethtool_200gaui_4_200gbase_cr4_kr4[] = {
ETHTOOL_LINK_MODE_200000baseKR4_Full_BIT,
ETHTOOL_LINK_MODE_200000baseSR4_Full_BIT,
ETHTOOL_LINK_MODE_200000baseLR4_ER4_FR4_Full_BIT,
ETHTOOL_LINK_MODE_200000baseDR4_Full_BIT,
ETHTOOL_LINK_MODE_200000baseCR4_Full_BIT,
};
#define MLXSW_SP2_MASK_ETHTOOL_200GAUI_4_200GBASE_CR4_KR4_LEN \
ARRAY_SIZE(mlxsw_sp2_mask_ethtool_200gaui_4_200gbase_cr4_kr4)
static const enum ethtool_link_mode_bit_indices
mlxsw_sp2_mask_ethtool_400gaui_8[] = {
ETHTOOL_LINK_MODE_400000baseKR8_Full_BIT,
ETHTOOL_LINK_MODE_400000baseSR8_Full_BIT,
ETHTOOL_LINK_MODE_400000baseLR8_ER8_FR8_Full_BIT,
ETHTOOL_LINK_MODE_400000baseDR8_Full_BIT,
ETHTOOL_LINK_MODE_400000baseCR8_Full_BIT,
};
#define MLXSW_SP2_MASK_ETHTOOL_400GAUI_8_LEN \
ARRAY_SIZE(mlxsw_sp2_mask_ethtool_400gaui_8)
#define MLXSW_SP_PORT_MASK_WIDTH_1X BIT(0)
#define MLXSW_SP_PORT_MASK_WIDTH_2X BIT(1)
#define MLXSW_SP_PORT_MASK_WIDTH_4X BIT(2)
#define MLXSW_SP_PORT_MASK_WIDTH_8X BIT(3)
static u8 mlxsw_sp_port_mask_width_get(u8 width)
{
switch (width) {
case 1:
return MLXSW_SP_PORT_MASK_WIDTH_1X;
case 2:
return MLXSW_SP_PORT_MASK_WIDTH_2X;
case 4:
return MLXSW_SP_PORT_MASK_WIDTH_4X;
case 8:
return MLXSW_SP_PORT_MASK_WIDTH_8X;
default:
WARN_ON_ONCE(1);
return 0;
}
}
struct mlxsw_sp2_port_link_mode {
const enum ethtool_link_mode_bit_indices *mask_ethtool;
int m_ethtool_len;
u32 mask;
u32 speed;
u8 mask_width;
};
static const struct mlxsw_sp2_port_link_mode mlxsw_sp2_port_link_mode[] = {
{
.mask = MLXSW_REG_PTYS_EXT_ETH_SPEED_SGMII_100M,
.mask_ethtool = mlxsw_sp2_mask_ethtool_sgmii_100m,
.m_ethtool_len = MLXSW_SP2_MASK_ETHTOOL_SGMII_100M_LEN,
.mask_width = MLXSW_SP_PORT_MASK_WIDTH_1X |
MLXSW_SP_PORT_MASK_WIDTH_2X |
MLXSW_SP_PORT_MASK_WIDTH_4X |
MLXSW_SP_PORT_MASK_WIDTH_8X,
.speed = SPEED_100,
},
{
.mask = MLXSW_REG_PTYS_EXT_ETH_SPEED_1000BASE_X_SGMII,
.mask_ethtool = mlxsw_sp2_mask_ethtool_1000base_x_sgmii,
.m_ethtool_len = MLXSW_SP2_MASK_ETHTOOL_1000BASE_X_SGMII_LEN,
.mask_width = MLXSW_SP_PORT_MASK_WIDTH_1X |
MLXSW_SP_PORT_MASK_WIDTH_2X |
MLXSW_SP_PORT_MASK_WIDTH_4X |
MLXSW_SP_PORT_MASK_WIDTH_8X,
.speed = SPEED_1000,
},
{
.mask = MLXSW_REG_PTYS_EXT_ETH_SPEED_2_5GBASE_X_2_5GMII,
.mask_ethtool = mlxsw_sp2_mask_ethtool_2_5gbase_x_2_5gmii,
.m_ethtool_len = MLXSW_SP2_MASK_ETHTOOL_2_5GBASE_X_2_5GMII_LEN,
.mask_width = MLXSW_SP_PORT_MASK_WIDTH_1X |
MLXSW_SP_PORT_MASK_WIDTH_2X |
MLXSW_SP_PORT_MASK_WIDTH_4X |
MLXSW_SP_PORT_MASK_WIDTH_8X,
.speed = SPEED_2500,
},
{
.mask = MLXSW_REG_PTYS_EXT_ETH_SPEED_5GBASE_R,
.mask_ethtool = mlxsw_sp2_mask_ethtool_5gbase_r,
.m_ethtool_len = MLXSW_SP2_MASK_ETHTOOL_5GBASE_R_LEN,
.mask_width = MLXSW_SP_PORT_MASK_WIDTH_1X |
MLXSW_SP_PORT_MASK_WIDTH_2X |
MLXSW_SP_PORT_MASK_WIDTH_4X |
MLXSW_SP_PORT_MASK_WIDTH_8X,
.speed = SPEED_5000,
},
{
.mask = MLXSW_REG_PTYS_EXT_ETH_SPEED_XFI_XAUI_1_10G,
.mask_ethtool = mlxsw_sp2_mask_ethtool_xfi_xaui_1_10g,
.m_ethtool_len = MLXSW_SP2_MASK_ETHTOOL_XFI_XAUI_1_10G_LEN,
.mask_width = MLXSW_SP_PORT_MASK_WIDTH_1X |
MLXSW_SP_PORT_MASK_WIDTH_2X |
MLXSW_SP_PORT_MASK_WIDTH_4X |
MLXSW_SP_PORT_MASK_WIDTH_8X,
.speed = SPEED_10000,
},
{
.mask = MLXSW_REG_PTYS_EXT_ETH_SPEED_XLAUI_4_XLPPI_4_40G,
.mask_ethtool = mlxsw_sp2_mask_ethtool_xlaui_4_xlppi_4_40g,
.m_ethtool_len = MLXSW_SP2_MASK_ETHTOOL_XLAUI_4_XLPPI_4_40G_LEN,
.mask_width = MLXSW_SP_PORT_MASK_WIDTH_4X |
MLXSW_SP_PORT_MASK_WIDTH_8X,
.speed = SPEED_40000,
},
{
.mask = MLXSW_REG_PTYS_EXT_ETH_SPEED_25GAUI_1_25GBASE_CR_KR,
.mask_ethtool = mlxsw_sp2_mask_ethtool_25gaui_1_25gbase_cr_kr,
.m_ethtool_len = MLXSW_SP2_MASK_ETHTOOL_25GAUI_1_25GBASE_CR_KR_LEN,
.mask_width = MLXSW_SP_PORT_MASK_WIDTH_1X |
MLXSW_SP_PORT_MASK_WIDTH_2X |
MLXSW_SP_PORT_MASK_WIDTH_4X |
MLXSW_SP_PORT_MASK_WIDTH_8X,
.speed = SPEED_25000,
},
{
.mask = MLXSW_REG_PTYS_EXT_ETH_SPEED_50GAUI_2_LAUI_2_50GBASE_CR2_KR2,
.mask_ethtool = mlxsw_sp2_mask_ethtool_50gaui_2_laui_2_50gbase_cr2_kr2,
.m_ethtool_len = MLXSW_SP2_MASK_ETHTOOL_50GAUI_2_LAUI_2_50GBASE_CR2_KR2_LEN,
.mask_width = MLXSW_SP_PORT_MASK_WIDTH_2X |
MLXSW_SP_PORT_MASK_WIDTH_4X |
MLXSW_SP_PORT_MASK_WIDTH_8X,
.speed = SPEED_50000,
},
{
.mask = MLXSW_REG_PTYS_EXT_ETH_SPEED_50GAUI_1_LAUI_1_50GBASE_CR_KR,
.mask_ethtool = mlxsw_sp2_mask_ethtool_50gaui_1_laui_1_50gbase_cr_kr,
.m_ethtool_len = MLXSW_SP2_MASK_ETHTOOL_50GAUI_1_LAUI_1_50GBASE_CR_KR_LEN,
.mask_width = MLXSW_SP_PORT_MASK_WIDTH_1X,
.speed = SPEED_50000,
},
{
.mask = MLXSW_REG_PTYS_EXT_ETH_SPEED_CAUI_4_100GBASE_CR4_KR4,
.mask_ethtool = mlxsw_sp2_mask_ethtool_caui_4_100gbase_cr4_kr4,
.m_ethtool_len = MLXSW_SP2_MASK_ETHTOOL_CAUI_4_100GBASE_CR4_KR4_LEN,
.mask_width = MLXSW_SP_PORT_MASK_WIDTH_4X |
MLXSW_SP_PORT_MASK_WIDTH_8X,
.speed = SPEED_100000,
},
{
.mask = MLXSW_REG_PTYS_EXT_ETH_SPEED_100GAUI_2_100GBASE_CR2_KR2,
.mask_ethtool = mlxsw_sp2_mask_ethtool_100gaui_2_100gbase_cr2_kr2,
.m_ethtool_len = MLXSW_SP2_MASK_ETHTOOL_100GAUI_2_100GBASE_CR2_KR2_LEN,
.mask_width = MLXSW_SP_PORT_MASK_WIDTH_2X,
.speed = SPEED_100000,
},
{
.mask = MLXSW_REG_PTYS_EXT_ETH_SPEED_200GAUI_4_200GBASE_CR4_KR4,
.mask_ethtool = mlxsw_sp2_mask_ethtool_200gaui_4_200gbase_cr4_kr4,
.m_ethtool_len = MLXSW_SP2_MASK_ETHTOOL_200GAUI_4_200GBASE_CR4_KR4_LEN,
.mask_width = MLXSW_SP_PORT_MASK_WIDTH_4X |
MLXSW_SP_PORT_MASK_WIDTH_8X,
.speed = SPEED_200000,
},
{
.mask = MLXSW_REG_PTYS_EXT_ETH_SPEED_400GAUI_8,
.mask_ethtool = mlxsw_sp2_mask_ethtool_400gaui_8,
.m_ethtool_len = MLXSW_SP2_MASK_ETHTOOL_400GAUI_8_LEN,
.mask_width = MLXSW_SP_PORT_MASK_WIDTH_8X,
.speed = SPEED_400000,
},
};
#define MLXSW_SP2_PORT_LINK_MODE_LEN ARRAY_SIZE(mlxsw_sp2_port_link_mode)
static void
mlxsw_sp2_from_ptys_supported_port(struct mlxsw_sp *mlxsw_sp,
u32 ptys_eth_proto,
struct ethtool_link_ksettings *cmd)
{
ethtool_link_ksettings_add_link_mode(cmd, supported, FIBRE);
ethtool_link_ksettings_add_link_mode(cmd, supported, Backplane);
}
static void
mlxsw_sp2_set_bit_ethtool(const struct mlxsw_sp2_port_link_mode *link_mode,
unsigned long *mode)
{
int i;
for (i = 0; i < link_mode->m_ethtool_len; i++)
__set_bit(link_mode->mask_ethtool[i], mode);
}
static void
mlxsw_sp2_from_ptys_link(struct mlxsw_sp *mlxsw_sp, u32 ptys_eth_proto,
u8 width, unsigned long *mode)
{
u8 mask_width = mlxsw_sp_port_mask_width_get(width);
int i;
for (i = 0; i < MLXSW_SP2_PORT_LINK_MODE_LEN; i++) {
if ((ptys_eth_proto & mlxsw_sp2_port_link_mode[i].mask) &&
(mask_width & mlxsw_sp2_port_link_mode[i].mask_width))
mlxsw_sp2_set_bit_ethtool(&mlxsw_sp2_port_link_mode[i],
mode);
}
}
static u32
mlxsw_sp2_from_ptys_speed(struct mlxsw_sp *mlxsw_sp, u32 ptys_eth_proto)
{
int i;
for (i = 0; i < MLXSW_SP2_PORT_LINK_MODE_LEN; i++) {
if (ptys_eth_proto & mlxsw_sp2_port_link_mode[i].mask)
return mlxsw_sp2_port_link_mode[i].speed;
}
return SPEED_UNKNOWN;
}
static void
mlxsw_sp2_from_ptys_speed_duplex(struct mlxsw_sp *mlxsw_sp, bool carrier_ok,
u32 ptys_eth_proto,
struct ethtool_link_ksettings *cmd)
{
cmd->base.speed = SPEED_UNKNOWN;
cmd->base.duplex = DUPLEX_UNKNOWN;
if (!carrier_ok)
return;
cmd->base.speed = mlxsw_sp2_from_ptys_speed(mlxsw_sp, ptys_eth_proto);
if (cmd->base.speed != SPEED_UNKNOWN)
cmd->base.duplex = DUPLEX_FULL;
}
static bool
mlxsw_sp2_test_bit_ethtool(const struct mlxsw_sp2_port_link_mode *link_mode,
const unsigned long *mode)
{
int cnt = 0;
int i;
for (i = 0; i < link_mode->m_ethtool_len; i++) {
if (test_bit(link_mode->mask_ethtool[i], mode))
cnt++;
}
return cnt == link_mode->m_ethtool_len;
}
static u32
mlxsw_sp2_to_ptys_advert_link(struct mlxsw_sp *mlxsw_sp, u8 width,
const struct ethtool_link_ksettings *cmd)
{
u8 mask_width = mlxsw_sp_port_mask_width_get(width);
u32 ptys_proto = 0;
int i;
for (i = 0; i < MLXSW_SP2_PORT_LINK_MODE_LEN; i++) {
if ((mask_width & mlxsw_sp2_port_link_mode[i].mask_width) &&
mlxsw_sp2_test_bit_ethtool(&mlxsw_sp2_port_link_mode[i],
cmd->link_modes.advertising))
ptys_proto |= mlxsw_sp2_port_link_mode[i].mask;
}
return ptys_proto;
}
static u32 mlxsw_sp2_to_ptys_speed(struct mlxsw_sp *mlxsw_sp,
u8 width, u32 speed)
{
u8 mask_width = mlxsw_sp_port_mask_width_get(width);
u32 ptys_proto = 0;
int i;
for (i = 0; i < MLXSW_SP2_PORT_LINK_MODE_LEN; i++) {
if ((speed == mlxsw_sp2_port_link_mode[i].speed) &&
(mask_width & mlxsw_sp2_port_link_mode[i].mask_width))
ptys_proto |= mlxsw_sp2_port_link_mode[i].mask;
}
return ptys_proto;
}
static u32
mlxsw_sp2_to_ptys_upper_speed(struct mlxsw_sp *mlxsw_sp, u32 upper_speed)
{
u32 ptys_proto = 0;
int i;
for (i = 0; i < MLXSW_SP2_PORT_LINK_MODE_LEN; i++) {
if (mlxsw_sp2_port_link_mode[i].speed <= upper_speed)
ptys_proto |= mlxsw_sp2_port_link_mode[i].mask;
}
return ptys_proto;
}
static int
mlxsw_sp2_port_speed_base(struct mlxsw_sp *mlxsw_sp, u8 local_port,
u32 *base_speed)
{
char ptys_pl[MLXSW_REG_PTYS_LEN];
u32 eth_proto_cap;
int err;
/* In Spectrum-2, the speed of 1x can change from port to port, so query
* it from firmware.
*/
mlxsw_reg_ptys_ext_eth_pack(ptys_pl, local_port, 0, false);
err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(ptys), ptys_pl);
if (err)
return err;
mlxsw_reg_ptys_ext_eth_unpack(ptys_pl, &eth_proto_cap, NULL, NULL);
if (eth_proto_cap &
MLXSW_REG_PTYS_EXT_ETH_SPEED_50GAUI_1_LAUI_1_50GBASE_CR_KR) {
*base_speed = MLXSW_SP_PORT_BASE_SPEED_50G;
return 0;
}
if (eth_proto_cap &
MLXSW_REG_PTYS_EXT_ETH_SPEED_25GAUI_1_25GBASE_CR_KR) {
*base_speed = MLXSW_SP_PORT_BASE_SPEED_25G;
return 0;
}
return -EIO;
}
static void
mlxsw_sp2_reg_ptys_eth_pack(struct mlxsw_sp *mlxsw_sp, char *payload,
u8 local_port, u32 proto_admin,
bool autoneg)
{
mlxsw_reg_ptys_ext_eth_pack(payload, local_port, proto_admin, autoneg);
}
static void
mlxsw_sp2_reg_ptys_eth_unpack(struct mlxsw_sp *mlxsw_sp, char *payload,
u32 *p_eth_proto_cap, u32 *p_eth_proto_admin,
u32 *p_eth_proto_oper)
{
mlxsw_reg_ptys_ext_eth_unpack(payload, p_eth_proto_cap,
p_eth_proto_admin, p_eth_proto_oper);
}
static const struct mlxsw_sp_port_type_speed_ops
mlxsw_sp2_port_type_speed_ops = {
.from_ptys_supported_port = mlxsw_sp2_from_ptys_supported_port,
.from_ptys_link = mlxsw_sp2_from_ptys_link,
.from_ptys_speed = mlxsw_sp2_from_ptys_speed,
.from_ptys_speed_duplex = mlxsw_sp2_from_ptys_speed_duplex,
.to_ptys_advert_link = mlxsw_sp2_to_ptys_advert_link,
.to_ptys_speed = mlxsw_sp2_to_ptys_speed,
.to_ptys_upper_speed = mlxsw_sp2_to_ptys_upper_speed,
.port_speed_base = mlxsw_sp2_port_speed_base,
.reg_ptys_eth_pack = mlxsw_sp2_reg_ptys_eth_pack,
.reg_ptys_eth_unpack = mlxsw_sp2_reg_ptys_eth_unpack,
};
static void
mlxsw_sp_port_get_link_supported(struct mlxsw_sp *mlxsw_sp, u32 eth_proto_cap,
u8 width, struct ethtool_link_ksettings *cmd)
{
const struct mlxsw_sp_port_type_speed_ops *ops;
ops = mlxsw_sp->port_type_speed_ops;
ethtool_link_ksettings_add_link_mode(cmd, supported, Asym_Pause);
ethtool_link_ksettings_add_link_mode(cmd, supported, Autoneg);
ethtool_link_ksettings_add_link_mode(cmd, supported, Pause);
ops->from_ptys_supported_port(mlxsw_sp, eth_proto_cap, cmd);
ops->from_ptys_link(mlxsw_sp, eth_proto_cap, width,
cmd->link_modes.supported);
}
static void
mlxsw_sp_port_get_link_advertise(struct mlxsw_sp *mlxsw_sp,
u32 eth_proto_admin, bool autoneg, u8 width,
struct ethtool_link_ksettings *cmd)
{
const struct mlxsw_sp_port_type_speed_ops *ops;
ops = mlxsw_sp->port_type_speed_ops;
if (!autoneg)
return;
ethtool_link_ksettings_add_link_mode(cmd, advertising, Autoneg);
ops->from_ptys_link(mlxsw_sp, eth_proto_admin, width,
cmd->link_modes.advertising);
}
static u8
mlxsw_sp_port_connector_port(enum mlxsw_reg_ptys_connector_type connector_type)
{
switch (connector_type) {
case MLXSW_REG_PTYS_CONNECTOR_TYPE_UNKNOWN_OR_NO_CONNECTOR:
return PORT_OTHER;
case MLXSW_REG_PTYS_CONNECTOR_TYPE_PORT_NONE:
return PORT_NONE;
case MLXSW_REG_PTYS_CONNECTOR_TYPE_PORT_TP:
return PORT_TP;
case MLXSW_REG_PTYS_CONNECTOR_TYPE_PORT_AUI:
return PORT_AUI;
case MLXSW_REG_PTYS_CONNECTOR_TYPE_PORT_BNC:
return PORT_BNC;
case MLXSW_REG_PTYS_CONNECTOR_TYPE_PORT_MII:
return PORT_MII;
case MLXSW_REG_PTYS_CONNECTOR_TYPE_PORT_FIBRE:
return PORT_FIBRE;
case MLXSW_REG_PTYS_CONNECTOR_TYPE_PORT_DA:
return PORT_DA;
case MLXSW_REG_PTYS_CONNECTOR_TYPE_PORT_OTHER:
return PORT_OTHER;
default:
WARN_ON_ONCE(1);
return PORT_OTHER;
}
}
static int mlxsw_sp_port_get_link_ksettings(struct net_device *dev,
struct ethtool_link_ksettings *cmd)
{
u32 eth_proto_cap, eth_proto_admin, eth_proto_oper;
struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
const struct mlxsw_sp_port_type_speed_ops *ops;
char ptys_pl[MLXSW_REG_PTYS_LEN];
u8 connector_type;
bool autoneg;
int err;
ops = mlxsw_sp->port_type_speed_ops;
autoneg = mlxsw_sp_port->link.autoneg;
ops->reg_ptys_eth_pack(mlxsw_sp, ptys_pl, mlxsw_sp_port->local_port,
0, false);
err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(ptys), ptys_pl);
if (err)
return err;
ops->reg_ptys_eth_unpack(mlxsw_sp, ptys_pl, &eth_proto_cap,
&eth_proto_admin, &eth_proto_oper);
mlxsw_sp_port_get_link_supported(mlxsw_sp, eth_proto_cap,
mlxsw_sp_port->mapping.width, cmd);
mlxsw_sp_port_get_link_advertise(mlxsw_sp, eth_proto_admin, autoneg,
mlxsw_sp_port->mapping.width, cmd);
cmd->base.autoneg = autoneg ? AUTONEG_ENABLE : AUTONEG_DISABLE;
connector_type = mlxsw_reg_ptys_connector_type_get(ptys_pl);
cmd->base.port = mlxsw_sp_port_connector_port(connector_type);
ops->from_ptys_speed_duplex(mlxsw_sp, netif_carrier_ok(dev),
eth_proto_oper, cmd);
return 0;
}
static int
mlxsw_sp_port_set_link_ksettings(struct net_device *dev,
const struct ethtool_link_ksettings *cmd)
{
struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
const struct mlxsw_sp_port_type_speed_ops *ops;
char ptys_pl[MLXSW_REG_PTYS_LEN];
u32 eth_proto_cap, eth_proto_new;
bool autoneg;
int err;
ops = mlxsw_sp->port_type_speed_ops;
ops->reg_ptys_eth_pack(mlxsw_sp, ptys_pl, mlxsw_sp_port->local_port,
0, false);
err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(ptys), ptys_pl);
if (err)
return err;
ops->reg_ptys_eth_unpack(mlxsw_sp, ptys_pl, &eth_proto_cap, NULL, NULL);
autoneg = cmd->base.autoneg == AUTONEG_ENABLE;
eth_proto_new = autoneg ?
ops->to_ptys_advert_link(mlxsw_sp, mlxsw_sp_port->mapping.width,
cmd) :
ops->to_ptys_speed(mlxsw_sp, mlxsw_sp_port->mapping.width,
cmd->base.speed);
eth_proto_new = eth_proto_new & eth_proto_cap;
if (!eth_proto_new) {
netdev_err(dev, "No supported speed requested\n");
return -EINVAL;
}
ops->reg_ptys_eth_pack(mlxsw_sp, ptys_pl, mlxsw_sp_port->local_port,
eth_proto_new, autoneg);
err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(ptys), ptys_pl);
if (err)
return err;
mlxsw_sp_port->link.autoneg = autoneg;
if (!netif_running(dev))
return 0;
mlxsw_sp_port_admin_status_set(mlxsw_sp_port, false);
mlxsw_sp_port_admin_status_set(mlxsw_sp_port, true);
return 0;
}
static int mlxsw_sp_get_module_info(struct net_device *netdev,
struct ethtool_modinfo *modinfo)
{
struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(netdev);
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
int err;
err = mlxsw_env_get_module_info(mlxsw_sp->core,
mlxsw_sp_port->mapping.module,
modinfo);
return err;
}
static int mlxsw_sp_get_module_eeprom(struct net_device *netdev,
struct ethtool_eeprom *ee,
u8 *data)
{
struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(netdev);
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
int err;
err = mlxsw_env_get_module_eeprom(netdev, mlxsw_sp->core,
mlxsw_sp_port->mapping.module, ee,
data);
return err;
}
static int
mlxsw_sp_get_ts_info(struct net_device *netdev, struct ethtool_ts_info *info)
{
struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(netdev);
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
return mlxsw_sp->ptp_ops->get_ts_info(mlxsw_sp, info);
}
static const struct ethtool_ops mlxsw_sp_port_ethtool_ops = {
.get_drvinfo = mlxsw_sp_port_get_drvinfo,
.get_link = ethtool_op_get_link,
.get_pauseparam = mlxsw_sp_port_get_pauseparam,
.set_pauseparam = mlxsw_sp_port_set_pauseparam,
.get_strings = mlxsw_sp_port_get_strings,
.set_phys_id = mlxsw_sp_port_set_phys_id,
.get_ethtool_stats = mlxsw_sp_port_get_stats,
.get_sset_count = mlxsw_sp_port_get_sset_count,
.get_link_ksettings = mlxsw_sp_port_get_link_ksettings,
.set_link_ksettings = mlxsw_sp_port_set_link_ksettings,
.get_module_info = mlxsw_sp_get_module_info,
.get_module_eeprom = mlxsw_sp_get_module_eeprom,
.get_ts_info = mlxsw_sp_get_ts_info,
};
static int
mlxsw_sp_port_speed_by_width_set(struct mlxsw_sp_port *mlxsw_sp_port)
{
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
const struct mlxsw_sp_port_type_speed_ops *ops;
char ptys_pl[MLXSW_REG_PTYS_LEN];
u32 eth_proto_admin;
u32 upper_speed;
u32 base_speed;
int err;
ops = mlxsw_sp->port_type_speed_ops;
err = ops->port_speed_base(mlxsw_sp, mlxsw_sp_port->local_port,
&base_speed);
if (err)
return err;
upper_speed = base_speed * mlxsw_sp_port->mapping.width;
eth_proto_admin = ops->to_ptys_upper_speed(mlxsw_sp, upper_speed);
ops->reg_ptys_eth_pack(mlxsw_sp, ptys_pl, mlxsw_sp_port->local_port,
eth_proto_admin, mlxsw_sp_port->link.autoneg);
return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(ptys), ptys_pl);
}
int mlxsw_sp_port_ets_set(struct mlxsw_sp_port *mlxsw_sp_port,
enum mlxsw_reg_qeec_hr hr, u8 index, u8 next_index,
bool dwrr, u8 dwrr_weight)
{
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
char qeec_pl[MLXSW_REG_QEEC_LEN];
mlxsw_reg_qeec_pack(qeec_pl, mlxsw_sp_port->local_port, hr, index,
next_index);
mlxsw_reg_qeec_de_set(qeec_pl, true);
mlxsw_reg_qeec_dwrr_set(qeec_pl, dwrr);
mlxsw_reg_qeec_dwrr_weight_set(qeec_pl, dwrr_weight);
return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(qeec), qeec_pl);
}
int mlxsw_sp_port_ets_maxrate_set(struct mlxsw_sp_port *mlxsw_sp_port,
enum mlxsw_reg_qeec_hr hr, u8 index,
u8 next_index, u32 maxrate)
{
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
char qeec_pl[MLXSW_REG_QEEC_LEN];
mlxsw_reg_qeec_pack(qeec_pl, mlxsw_sp_port->local_port, hr, index,
next_index);
mlxsw_reg_qeec_mase_set(qeec_pl, true);
mlxsw_reg_qeec_max_shaper_rate_set(qeec_pl, maxrate);
return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(qeec), qeec_pl);
}
static int mlxsw_sp_port_min_bw_set(struct mlxsw_sp_port *mlxsw_sp_port,
enum mlxsw_reg_qeec_hr hr, u8 index,
u8 next_index, u32 minrate)
{
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
char qeec_pl[MLXSW_REG_QEEC_LEN];
mlxsw_reg_qeec_pack(qeec_pl, mlxsw_sp_port->local_port, hr, index,
next_index);
mlxsw_reg_qeec_mise_set(qeec_pl, true);
mlxsw_reg_qeec_min_shaper_rate_set(qeec_pl, minrate);
return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(qeec), qeec_pl);
}
int mlxsw_sp_port_prio_tc_set(struct mlxsw_sp_port *mlxsw_sp_port,
u8 switch_prio, u8 tclass)
{
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
char qtct_pl[MLXSW_REG_QTCT_LEN];
mlxsw_reg_qtct_pack(qtct_pl, mlxsw_sp_port->local_port, switch_prio,
tclass);
return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(qtct), qtct_pl);
}
static int mlxsw_sp_port_ets_init(struct mlxsw_sp_port *mlxsw_sp_port)
{
int err, i;
/* Setup the elements hierarcy, so that each TC is linked to
* one subgroup, which are all member in the same group.
*/
err = mlxsw_sp_port_ets_set(mlxsw_sp_port,
MLXSW_REG_QEEC_HIERARCY_GROUP, 0, 0, false,
0);
if (err)
return err;
for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) {
err = mlxsw_sp_port_ets_set(mlxsw_sp_port,
MLXSW_REG_QEEC_HIERARCY_SUBGROUP, i,
0, false, 0);
if (err)
return err;
}
for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) {
err = mlxsw_sp_port_ets_set(mlxsw_sp_port,
MLXSW_REG_QEEC_HIERARCY_TC, i, i,
false, 0);
if (err)
return err;
err = mlxsw_sp_port_ets_set(mlxsw_sp_port,
MLXSW_REG_QEEC_HIERARCY_TC,
i + 8, i,
true, 100);
if (err)
return err;
}
/* Make sure the max shaper is disabled in all hierarchies that support
* it. Note that this disables ptps (PTP shaper), but that is intended
* for the initial configuration.
*/
err = mlxsw_sp_port_ets_maxrate_set(mlxsw_sp_port,
MLXSW_REG_QEEC_HIERARCY_PORT, 0, 0,
MLXSW_REG_QEEC_MAS_DIS);
if (err)
return err;
for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) {
err = mlxsw_sp_port_ets_maxrate_set(mlxsw_sp_port,
MLXSW_REG_QEEC_HIERARCY_SUBGROUP,
i, 0,
MLXSW_REG_QEEC_MAS_DIS);
if (err)
return err;
}
for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) {
err = mlxsw_sp_port_ets_maxrate_set(mlxsw_sp_port,
MLXSW_REG_QEEC_HIERARCY_TC,
i, i,
MLXSW_REG_QEEC_MAS_DIS);
if (err)
return err;
err = mlxsw_sp_port_ets_maxrate_set(mlxsw_sp_port,
MLXSW_REG_QEEC_HIERARCY_TC,
i + 8, i,
MLXSW_REG_QEEC_MAS_DIS);
if (err)
return err;
}
/* Configure the min shaper for multicast TCs. */
for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) {
err = mlxsw_sp_port_min_bw_set(mlxsw_sp_port,
MLXSW_REG_QEEC_HIERARCY_TC,
i + 8, i,
MLXSW_REG_QEEC_MIS_MIN);
if (err)
return err;
}
/* Map all priorities to traffic class 0. */
for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) {
err = mlxsw_sp_port_prio_tc_set(mlxsw_sp_port, i, 0);
if (err)
return err;
}
return 0;
}
static int mlxsw_sp_port_tc_mc_mode_set(struct mlxsw_sp_port *mlxsw_sp_port,
bool enable)
{
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
char qtctm_pl[MLXSW_REG_QTCTM_LEN];
mlxsw_reg_qtctm_pack(qtctm_pl, mlxsw_sp_port->local_port, enable);
return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(qtctm), qtctm_pl);
}
static int mlxsw_sp_port_create(struct mlxsw_sp *mlxsw_sp, u8 local_port,
u8 split_base_local_port,
struct mlxsw_sp_port_mapping *port_mapping)
{
struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan;
bool split = !!split_base_local_port;
struct mlxsw_sp_port *mlxsw_sp_port;
struct net_device *dev;
int err;
err = mlxsw_core_port_init(mlxsw_sp->core, local_port,
port_mapping->module + 1, split,
port_mapping->lane / port_mapping->width,
mlxsw_sp->base_mac,
sizeof(mlxsw_sp->base_mac));
if (err) {
dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to init core port\n",
local_port);
return err;
}
dev = alloc_etherdev(sizeof(struct mlxsw_sp_port));
if (!dev) {
err = -ENOMEM;
goto err_alloc_etherdev;
}
SET_NETDEV_DEV(dev, mlxsw_sp->bus_info->dev);
dev_net_set(dev, mlxsw_sp_net(mlxsw_sp));
mlxsw_sp_port = netdev_priv(dev);
mlxsw_sp_port->dev = dev;
mlxsw_sp_port->mlxsw_sp = mlxsw_sp;
mlxsw_sp_port->local_port = local_port;
mlxsw_sp_port->pvid = MLXSW_SP_DEFAULT_VID;
mlxsw_sp_port->split = split;
mlxsw_sp_port->split_base_local_port = split_base_local_port;
mlxsw_sp_port->mapping = *port_mapping;
mlxsw_sp_port->link.autoneg = 1;
INIT_LIST_HEAD(&mlxsw_sp_port->vlans_list);
INIT_LIST_HEAD(&mlxsw_sp_port->mall_tc_list);
mlxsw_sp_port->pcpu_stats =
netdev_alloc_pcpu_stats(struct mlxsw_sp_port_pcpu_stats);
if (!mlxsw_sp_port->pcpu_stats) {
err = -ENOMEM;
goto err_alloc_stats;
}
mlxsw_sp_port->sample = kzalloc(sizeof(*mlxsw_sp_port->sample),
GFP_KERNEL);
if (!mlxsw_sp_port->sample) {
err = -ENOMEM;
goto err_alloc_sample;
}
INIT_DELAYED_WORK(&mlxsw_sp_port->periodic_hw_stats.update_dw,
&update_stats_cache);
dev->netdev_ops = &mlxsw_sp_port_netdev_ops;
dev->ethtool_ops = &mlxsw_sp_port_ethtool_ops;
err = mlxsw_sp_port_module_map(mlxsw_sp_port);
if (err) {
dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to map module\n",
mlxsw_sp_port->local_port);
goto err_port_module_map;
}
err = mlxsw_sp_port_swid_set(mlxsw_sp_port, 0);
if (err) {
dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to set SWID\n",
mlxsw_sp_port->local_port);
goto err_port_swid_set;
}
err = mlxsw_sp_port_dev_addr_init(mlxsw_sp_port);
if (err) {
dev_err(mlxsw_sp->bus_info->dev, "Port %d: Unable to init port mac address\n",
mlxsw_sp_port->local_port);
goto err_dev_addr_init;
}
netif_carrier_off(dev);
dev->features |= NETIF_F_NETNS_LOCAL | NETIF_F_LLTX | NETIF_F_SG |
NETIF_F_HW_VLAN_CTAG_FILTER | NETIF_F_HW_TC;
dev->hw_features |= NETIF_F_HW_TC | NETIF_F_LOOPBACK;
dev->min_mtu = 0;
dev->max_mtu = ETH_MAX_MTU;
/* Each packet needs to have a Tx header (metadata) on top all other
* headers.
*/
dev->needed_headroom = MLXSW_TXHDR_LEN;
err = mlxsw_sp_port_system_port_mapping_set(mlxsw_sp_port);
if (err) {
dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to set system port mapping\n",
mlxsw_sp_port->local_port);
goto err_port_system_port_mapping_set;
}
err = mlxsw_sp_port_speed_by_width_set(mlxsw_sp_port);
if (err) {
dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to enable speeds\n",
mlxsw_sp_port->local_port);
goto err_port_speed_by_width_set;
}
err = mlxsw_sp_port_mtu_set(mlxsw_sp_port, ETH_DATA_LEN);
if (err) {
dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to set MTU\n",
mlxsw_sp_port->local_port);
goto err_port_mtu_set;
}
err = mlxsw_sp_port_admin_status_set(mlxsw_sp_port, false);
if (err)
goto err_port_admin_status_set;
err = mlxsw_sp_port_buffers_init(mlxsw_sp_port);
if (err) {
dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to initialize buffers\n",
mlxsw_sp_port->local_port);
goto err_port_buffers_init;
}
err = mlxsw_sp_port_ets_init(mlxsw_sp_port);
if (err) {
dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to initialize ETS\n",
mlxsw_sp_port->local_port);
goto err_port_ets_init;
}
err = mlxsw_sp_port_tc_mc_mode_set(mlxsw_sp_port, true);
if (err) {
dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to initialize TC MC mode\n",
mlxsw_sp_port->local_port);
goto err_port_tc_mc_mode;
}
/* ETS and buffers must be initialized before DCB. */
err = mlxsw_sp_port_dcb_init(mlxsw_sp_port);
if (err) {
dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to initialize DCB\n",
mlxsw_sp_port->local_port);
goto err_port_dcb_init;
}
err = mlxsw_sp_port_fids_init(mlxsw_sp_port);
if (err) {
dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to initialize FIDs\n",
mlxsw_sp_port->local_port);
goto err_port_fids_init;
}
err = mlxsw_sp_tc_qdisc_init(mlxsw_sp_port);
if (err) {
dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to initialize TC qdiscs\n",
mlxsw_sp_port->local_port);
goto err_port_qdiscs_init;
}
err = mlxsw_sp_port_vlan_set(mlxsw_sp_port, 0, VLAN_N_VID - 1, false,
false);
if (err) {
dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to clear VLAN filter\n",
mlxsw_sp_port->local_port);
goto err_port_vlan_clear;
}
err = mlxsw_sp_port_nve_init(mlxsw_sp_port);
if (err) {
dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to initialize NVE\n",
mlxsw_sp_port->local_port);
goto err_port_nve_init;
}
err = mlxsw_sp_port_pvid_set(mlxsw_sp_port, MLXSW_SP_DEFAULT_VID);
if (err) {
dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to set PVID\n",
mlxsw_sp_port->local_port);
goto err_port_pvid_set;
}
mlxsw_sp_port_vlan = mlxsw_sp_port_vlan_create(mlxsw_sp_port,
MLXSW_SP_DEFAULT_VID);
if (IS_ERR(mlxsw_sp_port_vlan)) {
dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to create VID 1\n",
mlxsw_sp_port->local_port);
err = PTR_ERR(mlxsw_sp_port_vlan);
goto err_port_vlan_create;
}
mlxsw_sp_port->default_vlan = mlxsw_sp_port_vlan;
INIT_DELAYED_WORK(&mlxsw_sp_port->ptp.shaper_dw,
mlxsw_sp->ptp_ops->shaper_work);
mlxsw_sp->ports[local_port] = mlxsw_sp_port;
err = register_netdev(dev);
if (err) {
dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to register netdev\n",
mlxsw_sp_port->local_port);
goto err_register_netdev;
}
mlxsw_core_port_eth_set(mlxsw_sp->core, mlxsw_sp_port->local_port,
mlxsw_sp_port, dev);
mlxsw_core_schedule_dw(&mlxsw_sp_port->periodic_hw_stats.update_dw, 0);
return 0;
err_register_netdev:
mlxsw_sp->ports[local_port] = NULL;
mlxsw_sp_port_vlan_destroy(mlxsw_sp_port_vlan);
err_port_vlan_create:
err_port_pvid_set:
mlxsw_sp_port_nve_fini(mlxsw_sp_port);
err_port_nve_init:
err_port_vlan_clear:
mlxsw_sp_tc_qdisc_fini(mlxsw_sp_port);
err_port_qdiscs_init:
mlxsw_sp_port_fids_fini(mlxsw_sp_port);
err_port_fids_init:
mlxsw_sp_port_dcb_fini(mlxsw_sp_port);
err_port_dcb_init:
mlxsw_sp_port_tc_mc_mode_set(mlxsw_sp_port, false);
err_port_tc_mc_mode:
err_port_ets_init:
err_port_buffers_init:
err_port_admin_status_set:
err_port_mtu_set:
err_port_speed_by_width_set:
err_port_system_port_mapping_set:
err_dev_addr_init:
mlxsw_sp_port_swid_set(mlxsw_sp_port, MLXSW_PORT_SWID_DISABLED_PORT);
err_port_swid_set:
mlxsw_sp_port_module_unmap(mlxsw_sp_port);
err_port_module_map:
kfree(mlxsw_sp_port->sample);
err_alloc_sample:
free_percpu(mlxsw_sp_port->pcpu_stats);
err_alloc_stats:
free_netdev(dev);
err_alloc_etherdev:
mlxsw_core_port_fini(mlxsw_sp->core, local_port);
return err;
}
static void mlxsw_sp_port_remove(struct mlxsw_sp *mlxsw_sp, u8 local_port)
{
struct mlxsw_sp_port *mlxsw_sp_port = mlxsw_sp->ports[local_port];
cancel_delayed_work_sync(&mlxsw_sp_port->periodic_hw_stats.update_dw);
cancel_delayed_work_sync(&mlxsw_sp_port->ptp.shaper_dw);
mlxsw_sp_port_ptp_clear(mlxsw_sp_port);
mlxsw_core_port_clear(mlxsw_sp->core, local_port, mlxsw_sp);
unregister_netdev(mlxsw_sp_port->dev); /* This calls ndo_stop */
mlxsw_sp->ports[local_port] = NULL;
mlxsw_sp_port_vlan_flush(mlxsw_sp_port, true);
mlxsw_sp_port_nve_fini(mlxsw_sp_port);
mlxsw_sp_tc_qdisc_fini(mlxsw_sp_port);
mlxsw_sp_port_fids_fini(mlxsw_sp_port);
mlxsw_sp_port_dcb_fini(mlxsw_sp_port);
mlxsw_sp_port_tc_mc_mode_set(mlxsw_sp_port, false);
mlxsw_sp_port_swid_set(mlxsw_sp_port, MLXSW_PORT_SWID_DISABLED_PORT);
mlxsw_sp_port_module_unmap(mlxsw_sp_port);
kfree(mlxsw_sp_port->sample);
free_percpu(mlxsw_sp_port->pcpu_stats);
WARN_ON_ONCE(!list_empty(&mlxsw_sp_port->vlans_list));
free_netdev(mlxsw_sp_port->dev);
mlxsw_core_port_fini(mlxsw_sp->core, local_port);
}
static int mlxsw_sp_cpu_port_create(struct mlxsw_sp *mlxsw_sp)
{
struct mlxsw_sp_port *mlxsw_sp_port;
int err;
mlxsw_sp_port = kzalloc(sizeof(*mlxsw_sp_port), GFP_KERNEL);
if (!mlxsw_sp_port)
return -ENOMEM;
mlxsw_sp_port->mlxsw_sp = mlxsw_sp;
mlxsw_sp_port->local_port = MLXSW_PORT_CPU_PORT;
err = mlxsw_core_cpu_port_init(mlxsw_sp->core,
mlxsw_sp_port,
mlxsw_sp->base_mac,
sizeof(mlxsw_sp->base_mac));
if (err) {
dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize core CPU port\n");
goto err_core_cpu_port_init;
}
mlxsw_sp->ports[MLXSW_PORT_CPU_PORT] = mlxsw_sp_port;
return 0;
err_core_cpu_port_init:
kfree(mlxsw_sp_port);
return err;
}
static void mlxsw_sp_cpu_port_remove(struct mlxsw_sp *mlxsw_sp)
{
struct mlxsw_sp_port *mlxsw_sp_port =
mlxsw_sp->ports[MLXSW_PORT_CPU_PORT];
mlxsw_core_cpu_port_fini(mlxsw_sp->core);
mlxsw_sp->ports[MLXSW_PORT_CPU_PORT] = NULL;
kfree(mlxsw_sp_port);
}
static bool mlxsw_sp_port_created(struct mlxsw_sp *mlxsw_sp, u8 local_port)
{
return mlxsw_sp->ports[local_port] != NULL;
}
static void mlxsw_sp_ports_remove(struct mlxsw_sp *mlxsw_sp)
{
int i;
for (i = 1; i < mlxsw_core_max_ports(mlxsw_sp->core); i++)
if (mlxsw_sp_port_created(mlxsw_sp, i))
mlxsw_sp_port_remove(mlxsw_sp, i);
mlxsw_sp_cpu_port_remove(mlxsw_sp);
kfree(mlxsw_sp->ports);
}
static int mlxsw_sp_ports_create(struct mlxsw_sp *mlxsw_sp)
{
unsigned int max_ports = mlxsw_core_max_ports(mlxsw_sp->core);
struct mlxsw_sp_port_mapping *port_mapping;
size_t alloc_size;
int i;
int err;
alloc_size = sizeof(struct mlxsw_sp_port *) * max_ports;
mlxsw_sp->ports = kzalloc(alloc_size, GFP_KERNEL);
if (!mlxsw_sp->ports)
return -ENOMEM;
err = mlxsw_sp_cpu_port_create(mlxsw_sp);
if (err)
goto err_cpu_port_create;
for (i = 1; i < max_ports; i++) {
port_mapping = mlxsw_sp->port_mapping[i];
if (!port_mapping)
continue;
err = mlxsw_sp_port_create(mlxsw_sp, i, 0, port_mapping);
if (err)
goto err_port_create;
}
return 0;
err_port_create:
for (i--; i >= 1; i--)
if (mlxsw_sp_port_created(mlxsw_sp, i))
mlxsw_sp_port_remove(mlxsw_sp, i);
mlxsw_sp_cpu_port_remove(mlxsw_sp);
err_cpu_port_create:
kfree(mlxsw_sp->ports);
return err;
}
static int mlxsw_sp_port_module_info_init(struct mlxsw_sp *mlxsw_sp)
{
unsigned int max_ports = mlxsw_core_max_ports(mlxsw_sp->core);
struct mlxsw_sp_port_mapping port_mapping;
int i;
int err;
mlxsw_sp->port_mapping = kcalloc(max_ports,
sizeof(struct mlxsw_sp_port_mapping *),
GFP_KERNEL);
if (!mlxsw_sp->port_mapping)
return -ENOMEM;
for (i = 1; i < max_ports; i++) {
err = mlxsw_sp_port_module_info_get(mlxsw_sp, i, &port_mapping);
if (err)
goto err_port_module_info_get;
if (!port_mapping.width)
continue;
mlxsw_sp->port_mapping[i] = kmemdup(&port_mapping,
sizeof(port_mapping),
GFP_KERNEL);
if (!mlxsw_sp->port_mapping[i]) {
err = -ENOMEM;
goto err_port_module_info_dup;
}
}
return 0;
err_port_module_info_get:
err_port_module_info_dup:
for (i--; i >= 1; i--)
kfree(mlxsw_sp->port_mapping[i]);
kfree(mlxsw_sp->port_mapping);
return err;
}
static void mlxsw_sp_port_module_info_fini(struct mlxsw_sp *mlxsw_sp)
{
int i;
for (i = 1; i < mlxsw_core_max_ports(mlxsw_sp->core); i++)
kfree(mlxsw_sp->port_mapping[i]);
kfree(mlxsw_sp->port_mapping);
}
static u8 mlxsw_sp_cluster_base_port_get(u8 local_port, unsigned int max_width)
{
u8 offset = (local_port - 1) % max_width;
return local_port - offset;
}
static int
mlxsw_sp_port_split_create(struct mlxsw_sp *mlxsw_sp, u8 base_port,
struct mlxsw_sp_port_mapping *port_mapping,
unsigned int count, u8 offset)
{
struct mlxsw_sp_port_mapping split_port_mapping;
int err, i;
split_port_mapping = *port_mapping;
split_port_mapping.width /= count;
for (i = 0; i < count; i++) {
err = mlxsw_sp_port_create(mlxsw_sp, base_port + i * offset,
base_port, &split_port_mapping);
if (err)
goto err_port_create;
split_port_mapping.lane += split_port_mapping.width;
}
return 0;
err_port_create:
for (i--; i >= 0; i--)
if (mlxsw_sp_port_created(mlxsw_sp, base_port + i * offset))
mlxsw_sp_port_remove(mlxsw_sp, base_port + i * offset);
return err;
}
static void mlxsw_sp_port_unsplit_create(struct mlxsw_sp *mlxsw_sp,
u8 base_port,
unsigned int count, u8 offset)
{
struct mlxsw_sp_port_mapping *port_mapping;
int i;
/* Go over original unsplit ports in the gap and recreate them. */
for (i = 0; i < count * offset; i++) {
port_mapping = mlxsw_sp->port_mapping[base_port + i];
if (!port_mapping)
continue;
mlxsw_sp_port_create(mlxsw_sp, base_port + i, 0, port_mapping);
}
}
static int mlxsw_sp_local_ports_offset(struct mlxsw_core *mlxsw_core,
unsigned int count,
unsigned int max_width)
{
enum mlxsw_res_id local_ports_in_x_res_id;
int split_width = max_width / count;
if (split_width == 1)
local_ports_in_x_res_id = MLXSW_RES_ID_LOCAL_PORTS_IN_1X;
else if (split_width == 2)
local_ports_in_x_res_id = MLXSW_RES_ID_LOCAL_PORTS_IN_2X;
else if (split_width == 4)
local_ports_in_x_res_id = MLXSW_RES_ID_LOCAL_PORTS_IN_4X;
else
return -EINVAL;
if (!mlxsw_core_res_valid(mlxsw_core, local_ports_in_x_res_id))
return -EINVAL;
return mlxsw_core_res_get(mlxsw_core, local_ports_in_x_res_id);
}
static int mlxsw_sp_port_split(struct mlxsw_core *mlxsw_core, u8 local_port,
unsigned int count,
struct netlink_ext_ack *extack)
{
struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core);
struct mlxsw_sp_port_mapping port_mapping;
struct mlxsw_sp_port *mlxsw_sp_port;
int max_width;
u8 base_port;
int offset;
int i;
int err;
mlxsw_sp_port = mlxsw_sp->ports[local_port];
if (!mlxsw_sp_port) {
dev_err(mlxsw_sp->bus_info->dev, "Port number \"%d\" does not exist\n",
local_port);
NL_SET_ERR_MSG_MOD(extack, "Port number does not exist");
return -EINVAL;
}
/* Split ports cannot be split. */
if (mlxsw_sp_port->split) {
netdev_err(mlxsw_sp_port->dev, "Port cannot be split further\n");
NL_SET_ERR_MSG_MOD(extack, "Port cannot be split further");
return -EINVAL;
}
max_width = mlxsw_core_module_max_width(mlxsw_core,
mlxsw_sp_port->mapping.module);
if (max_width < 0) {
netdev_err(mlxsw_sp_port->dev, "Cannot get max width of port module\n");
NL_SET_ERR_MSG_MOD(extack, "Cannot get max width of port module");
return max_width;
}
/* Split port with non-max and 1 module width cannot be split. */
if (mlxsw_sp_port->mapping.width != max_width || max_width == 1) {
netdev_err(mlxsw_sp_port->dev, "Port cannot be split\n");
NL_SET_ERR_MSG_MOD(extack, "Port cannot be split");
return -EINVAL;
}
if (count == 1 || !is_power_of_2(count) || count > max_width) {
netdev_err(mlxsw_sp_port->dev, "Invalid split count\n");
NL_SET_ERR_MSG_MOD(extack, "Invalid split count");
return -EINVAL;
}
offset = mlxsw_sp_local_ports_offset(mlxsw_core, count, max_width);
if (offset < 0) {
netdev_err(mlxsw_sp_port->dev, "Cannot obtain local port offset\n");
NL_SET_ERR_MSG_MOD(extack, "Cannot obtain local port offset");
return -EINVAL;
}
/* Only in case max split is being done, the local port and
* base port may differ.
*/
base_port = count == max_width ?
mlxsw_sp_cluster_base_port_get(local_port, max_width) :
local_port;
for (i = 0; i < count * offset; i++) {
/* Expect base port to exist and also the one in the middle in
* case of maximal split count.
*/
if (i == 0 || (count == max_width && i == count / 2))
continue;
if (mlxsw_sp_port_created(mlxsw_sp, base_port + i)) {
netdev_err(mlxsw_sp_port->dev, "Invalid split configuration\n");
NL_SET_ERR_MSG_MOD(extack, "Invalid split configuration");
return -EINVAL;
}
}
port_mapping = mlxsw_sp_port->mapping;
for (i = 0; i < count; i++)
if (mlxsw_sp_port_created(mlxsw_sp, base_port + i * offset))
mlxsw_sp_port_remove(mlxsw_sp, base_port + i * offset);
err = mlxsw_sp_port_split_create(mlxsw_sp, base_port, &port_mapping,
count, offset);
if (err) {
dev_err(mlxsw_sp->bus_info->dev, "Failed to create split ports\n");
goto err_port_split_create;
}
return 0;
err_port_split_create:
mlxsw_sp_port_unsplit_create(mlxsw_sp, base_port, count, offset);
return err;
}
static int mlxsw_sp_port_unsplit(struct mlxsw_core *mlxsw_core, u8 local_port,
struct netlink_ext_ack *extack)
{
struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core);
struct mlxsw_sp_port *mlxsw_sp_port;
unsigned int count;
int max_width;
u8 base_port;
int offset;
int i;
mlxsw_sp_port = mlxsw_sp->ports[local_port];
if (!mlxsw_sp_port) {
dev_err(mlxsw_sp->bus_info->dev, "Port number \"%d\" does not exist\n",
local_port);
NL_SET_ERR_MSG_MOD(extack, "Port number does not exist");
return -EINVAL;
}
if (!mlxsw_sp_port->split) {
netdev_err(mlxsw_sp_port->dev, "Port was not split\n");
NL_SET_ERR_MSG_MOD(extack, "Port was not split");
return -EINVAL;
}
max_width = mlxsw_core_module_max_width(mlxsw_core,
mlxsw_sp_port->mapping.module);
if (max_width < 0) {
netdev_err(mlxsw_sp_port->dev, "Cannot get max width of port module\n");
NL_SET_ERR_MSG_MOD(extack, "Cannot get max width of port module");
return max_width;
}
count = max_width / mlxsw_sp_port->mapping.width;
offset = mlxsw_sp_local_ports_offset(mlxsw_core, count, max_width);
if (WARN_ON(offset < 0)) {
netdev_err(mlxsw_sp_port->dev, "Cannot obtain local port offset\n");
NL_SET_ERR_MSG_MOD(extack, "Cannot obtain local port offset");
return -EINVAL;
}
base_port = mlxsw_sp_port->split_base_local_port;
for (i = 0; i < count; i++)
if (mlxsw_sp_port_created(mlxsw_sp, base_port + i * offset))
mlxsw_sp_port_remove(mlxsw_sp, base_port + i * offset);
mlxsw_sp_port_unsplit_create(mlxsw_sp, base_port, count, offset);
return 0;
}
static void mlxsw_sp_pude_event_func(const struct mlxsw_reg_info *reg,
char *pude_pl, void *priv)
{
struct mlxsw_sp *mlxsw_sp = priv;
struct mlxsw_sp_port *mlxsw_sp_port;
enum mlxsw_reg_pude_oper_status status;
u8 local_port;
local_port = mlxsw_reg_pude_local_port_get(pude_pl);
mlxsw_sp_port = mlxsw_sp->ports[local_port];
if (!mlxsw_sp_port)
return;
status = mlxsw_reg_pude_oper_status_get(pude_pl);
if (status == MLXSW_PORT_OPER_STATUS_UP) {
netdev_info(mlxsw_sp_port->dev, "link up\n");
netif_carrier_on(mlxsw_sp_port->dev);
mlxsw_core_schedule_dw(&mlxsw_sp_port->ptp.shaper_dw, 0);
} else {
netdev_info(mlxsw_sp_port->dev, "link down\n");
netif_carrier_off(mlxsw_sp_port->dev);
}
}
static void mlxsw_sp1_ptp_fifo_event_func(struct mlxsw_sp *mlxsw_sp,
char *mtpptr_pl, bool ingress)
{
u8 local_port;
u8 num_rec;
int i;
local_port = mlxsw_reg_mtpptr_local_port_get(mtpptr_pl);
num_rec = mlxsw_reg_mtpptr_num_rec_get(mtpptr_pl);
for (i = 0; i < num_rec; i++) {
u8 domain_number;
u8 message_type;
u16 sequence_id;
u64 timestamp;
mlxsw_reg_mtpptr_unpack(mtpptr_pl, i, &message_type,
&domain_number, &sequence_id,
&timestamp);
mlxsw_sp1_ptp_got_timestamp(mlxsw_sp, ingress, local_port,
message_type, domain_number,
sequence_id, timestamp);
}
}
static void mlxsw_sp1_ptp_ing_fifo_event_func(const struct mlxsw_reg_info *reg,
char *mtpptr_pl, void *priv)
{
struct mlxsw_sp *mlxsw_sp = priv;
mlxsw_sp1_ptp_fifo_event_func(mlxsw_sp, mtpptr_pl, true);
}
static void mlxsw_sp1_ptp_egr_fifo_event_func(const struct mlxsw_reg_info *reg,
char *mtpptr_pl, void *priv)
{
struct mlxsw_sp *mlxsw_sp = priv;
mlxsw_sp1_ptp_fifo_event_func(mlxsw_sp, mtpptr_pl, false);
}
void mlxsw_sp_rx_listener_no_mark_func(struct sk_buff *skb,
u8 local_port, void *priv)
{
struct mlxsw_sp *mlxsw_sp = priv;
struct mlxsw_sp_port *mlxsw_sp_port = mlxsw_sp->ports[local_port];
struct mlxsw_sp_port_pcpu_stats *pcpu_stats;
if (unlikely(!mlxsw_sp_port)) {
dev_warn_ratelimited(mlxsw_sp->bus_info->dev, "Port %d: skb received for non-existent port\n",
local_port);
return;
}
skb->dev = mlxsw_sp_port->dev;
pcpu_stats = this_cpu_ptr(mlxsw_sp_port->pcpu_stats);
u64_stats_update_begin(&pcpu_stats->syncp);
pcpu_stats->rx_packets++;
pcpu_stats->rx_bytes += skb->len;
u64_stats_update_end(&pcpu_stats->syncp);
skb->protocol = eth_type_trans(skb, skb->dev);
netif_receive_skb(skb);
}
static void mlxsw_sp_rx_listener_mark_func(struct sk_buff *skb, u8 local_port,
void *priv)
{
skb->offload_fwd_mark = 1;
return mlxsw_sp_rx_listener_no_mark_func(skb, local_port, priv);
}
static void mlxsw_sp_rx_listener_l3_mark_func(struct sk_buff *skb,
u8 local_port, void *priv)
{
skb->offload_l3_fwd_mark = 1;
skb->offload_fwd_mark = 1;
return mlxsw_sp_rx_listener_no_mark_func(skb, local_port, priv);
}
static void mlxsw_sp_rx_listener_sample_func(struct sk_buff *skb, u8 local_port,
void *priv)
{
struct mlxsw_sp *mlxsw_sp = priv;
struct mlxsw_sp_port *mlxsw_sp_port = mlxsw_sp->ports[local_port];
struct psample_group *psample_group;
u32 size;
if (unlikely(!mlxsw_sp_port)) {
dev_warn_ratelimited(mlxsw_sp->bus_info->dev, "Port %d: sample skb received for non-existent port\n",
local_port);
goto out;
}
if (unlikely(!mlxsw_sp_port->sample)) {
dev_warn_ratelimited(mlxsw_sp->bus_info->dev, "Port %d: sample skb received on unsupported port\n",
local_port);
goto out;
}
size = mlxsw_sp_port->sample->truncate ?
mlxsw_sp_port->sample->trunc_size : skb->len;
rcu_read_lock();
psample_group = rcu_dereference(mlxsw_sp_port->sample->psample_group);
if (!psample_group)
goto out_unlock;
psample_sample_packet(psample_group, skb, size,
mlxsw_sp_port->dev->ifindex, 0,
mlxsw_sp_port->sample->rate);
out_unlock:
rcu_read_unlock();
out:
consume_skb(skb);
}
static void mlxsw_sp_rx_listener_ptp(struct sk_buff *skb, u8 local_port,
void *priv)
{
struct mlxsw_sp *mlxsw_sp = priv;
mlxsw_sp->ptp_ops->receive(mlxsw_sp, skb, local_port);
}
#define MLXSW_SP_RXL_NO_MARK(_trap_id, _action, _trap_group, _is_ctrl) \
MLXSW_RXL(mlxsw_sp_rx_listener_no_mark_func, _trap_id, _action, \
_is_ctrl, SP_##_trap_group, DISCARD)
#define MLXSW_SP_RXL_MARK(_trap_id, _action, _trap_group, _is_ctrl) \
MLXSW_RXL(mlxsw_sp_rx_listener_mark_func, _trap_id, _action, \
_is_ctrl, SP_##_trap_group, DISCARD)
#define MLXSW_SP_RXL_L3_MARK(_trap_id, _action, _trap_group, _is_ctrl) \
MLXSW_RXL(mlxsw_sp_rx_listener_l3_mark_func, _trap_id, _action, \
_is_ctrl, SP_##_trap_group, DISCARD)
#define MLXSW_SP_EVENTL(_func, _trap_id) \
MLXSW_EVENTL(_func, _trap_id, SP_EVENT)
static const struct mlxsw_listener mlxsw_sp_listener[] = {
/* Events */
MLXSW_SP_EVENTL(mlxsw_sp_pude_event_func, PUDE),
/* L2 traps */
MLXSW_SP_RXL_NO_MARK(STP, TRAP_TO_CPU, STP, true),
MLXSW_SP_RXL_NO_MARK(LACP, TRAP_TO_CPU, LACP, true),
MLXSW_RXL(mlxsw_sp_rx_listener_ptp, LLDP, TRAP_TO_CPU,
false, SP_LLDP, DISCARD),
MLXSW_SP_RXL_MARK(DHCP, MIRROR_TO_CPU, DHCP, false),
MLXSW_SP_RXL_MARK(IGMP_QUERY, MIRROR_TO_CPU, IGMP, false),
MLXSW_SP_RXL_NO_MARK(IGMP_V1_REPORT, TRAP_TO_CPU, IGMP, false),
MLXSW_SP_RXL_NO_MARK(IGMP_V2_REPORT, TRAP_TO_CPU, IGMP, false),
MLXSW_SP_RXL_NO_MARK(IGMP_V2_LEAVE, TRAP_TO_CPU, IGMP, false),
MLXSW_SP_RXL_NO_MARK(IGMP_V3_REPORT, TRAP_TO_CPU, IGMP, false),
MLXSW_SP_RXL_MARK(ARPBC, MIRROR_TO_CPU, ARP, false),
MLXSW_SP_RXL_MARK(ARPUC, MIRROR_TO_CPU, ARP, false),
MLXSW_SP_RXL_NO_MARK(FID_MISS, TRAP_TO_CPU, IP2ME, false),
MLXSW_SP_RXL_MARK(IPV6_MLDV12_LISTENER_QUERY, MIRROR_TO_CPU, IPV6_MLD,
false),
MLXSW_SP_RXL_NO_MARK(IPV6_MLDV1_LISTENER_REPORT, TRAP_TO_CPU, IPV6_MLD,
false),
MLXSW_SP_RXL_NO_MARK(IPV6_MLDV1_LISTENER_DONE, TRAP_TO_CPU, IPV6_MLD,
false),
MLXSW_SP_RXL_NO_MARK(IPV6_MLDV2_LISTENER_REPORT, TRAP_TO_CPU, IPV6_MLD,
false),
/* L3 traps */
MLXSW_SP_RXL_L3_MARK(LBERROR, MIRROR_TO_CPU, LBERROR, false),
MLXSW_SP_RXL_MARK(IP2ME, TRAP_TO_CPU, IP2ME, false),
MLXSW_SP_RXL_MARK(IPV6_UNSPECIFIED_ADDRESS, TRAP_TO_CPU, ROUTER_EXP,
false),
MLXSW_SP_RXL_MARK(IPV6_LINK_LOCAL_DEST, TRAP_TO_CPU, ROUTER_EXP, false),
MLXSW_SP_RXL_MARK(IPV6_LINK_LOCAL_SRC, TRAP_TO_CPU, ROUTER_EXP, false),
MLXSW_SP_RXL_MARK(IPV6_ALL_NODES_LINK, TRAP_TO_CPU, ROUTER_EXP, false),
MLXSW_SP_RXL_MARK(IPV6_ALL_ROUTERS_LINK, TRAP_TO_CPU, ROUTER_EXP,
false),
MLXSW_SP_RXL_MARK(IPV4_OSPF, TRAP_TO_CPU, OSPF, false),
MLXSW_SP_RXL_MARK(IPV6_OSPF, TRAP_TO_CPU, OSPF, false),
MLXSW_SP_RXL_MARK(IPV6_DHCP, TRAP_TO_CPU, DHCP, false),
MLXSW_SP_RXL_MARK(RTR_INGRESS0, TRAP_TO_CPU, REMOTE_ROUTE, false),
MLXSW_SP_RXL_MARK(IPV4_BGP, TRAP_TO_CPU, BGP, false),
MLXSW_SP_RXL_MARK(IPV6_BGP, TRAP_TO_CPU, BGP, false),
MLXSW_SP_RXL_MARK(L3_IPV6_ROUTER_SOLICITATION, TRAP_TO_CPU, IPV6_ND,
false),
MLXSW_SP_RXL_MARK(L3_IPV6_ROUTER_ADVERTISMENT, TRAP_TO_CPU, IPV6_ND,
false),
MLXSW_SP_RXL_MARK(L3_IPV6_NEIGHBOR_SOLICITATION, TRAP_TO_CPU, IPV6_ND,
false),
MLXSW_SP_RXL_MARK(L3_IPV6_NEIGHBOR_ADVERTISMENT, TRAP_TO_CPU, IPV6_ND,
false),
MLXSW_SP_RXL_MARK(L3_IPV6_REDIRECTION, TRAP_TO_CPU, IPV6_ND, false),
MLXSW_SP_RXL_MARK(IPV6_MC_LINK_LOCAL_DEST, TRAP_TO_CPU, ROUTER_EXP,
false),
MLXSW_SP_RXL_MARK(ROUTER_ALERT_IPV4, TRAP_TO_CPU, ROUTER_EXP, false),
MLXSW_SP_RXL_MARK(ROUTER_ALERT_IPV6, TRAP_TO_CPU, ROUTER_EXP, false),
MLXSW_SP_RXL_MARK(IPIP_DECAP_ERROR, TRAP_TO_CPU, ROUTER_EXP, false),
MLXSW_SP_RXL_MARK(DECAP_ECN0, TRAP_TO_CPU, ROUTER_EXP, false),
MLXSW_SP_RXL_MARK(IPV4_VRRP, TRAP_TO_CPU, VRRP, false),
MLXSW_SP_RXL_MARK(IPV6_VRRP, TRAP_TO_CPU, VRRP, false),
/* PKT Sample trap */
MLXSW_RXL(mlxsw_sp_rx_listener_sample_func, PKT_SAMPLE, MIRROR_TO_CPU,
false, SP_IP2ME, DISCARD),
/* ACL trap */
MLXSW_SP_RXL_NO_MARK(ACL0, TRAP_TO_CPU, IP2ME, false),
/* Multicast Router Traps */
MLXSW_SP_RXL_MARK(IPV4_PIM, TRAP_TO_CPU, PIM, false),
MLXSW_SP_RXL_MARK(IPV6_PIM, TRAP_TO_CPU, PIM, false),
MLXSW_SP_RXL_MARK(ACL1, TRAP_TO_CPU, MULTICAST, false),
MLXSW_SP_RXL_L3_MARK(ACL2, TRAP_TO_CPU, MULTICAST, false),
/* NVE traps */
MLXSW_SP_RXL_MARK(NVE_ENCAP_ARP, TRAP_TO_CPU, ARP, false),
MLXSW_SP_RXL_NO_MARK(NVE_DECAP_ARP, TRAP_TO_CPU, ARP, false),
/* PTP traps */
MLXSW_RXL(mlxsw_sp_rx_listener_ptp, PTP0, TRAP_TO_CPU,
false, SP_PTP0, DISCARD),
MLXSW_SP_RXL_NO_MARK(PTP1, TRAP_TO_CPU, PTP1, false),
};
static const struct mlxsw_listener mlxsw_sp1_listener[] = {
/* Events */
MLXSW_EVENTL(mlxsw_sp1_ptp_egr_fifo_event_func, PTP_EGR_FIFO, SP_PTP0),
MLXSW_EVENTL(mlxsw_sp1_ptp_ing_fifo_event_func, PTP_ING_FIFO, SP_PTP0),
};
static int mlxsw_sp_cpu_policers_set(struct mlxsw_core *mlxsw_core)
{
char qpcr_pl[MLXSW_REG_QPCR_LEN];
enum mlxsw_reg_qpcr_ir_units ir_units;
int max_cpu_policers;
bool is_bytes;
u8 burst_size;
u32 rate;
int i, err;
if (!MLXSW_CORE_RES_VALID(mlxsw_core, MAX_CPU_POLICERS))
return -EIO;
max_cpu_policers = MLXSW_CORE_RES_GET(mlxsw_core, MAX_CPU_POLICERS);
ir_units = MLXSW_REG_QPCR_IR_UNITS_M;
for (i = 0; i < max_cpu_policers; i++) {
is_bytes = false;
switch (i) {
case MLXSW_REG_HTGT_TRAP_GROUP_SP_STP:
case MLXSW_REG_HTGT_TRAP_GROUP_SP_LACP:
case MLXSW_REG_HTGT_TRAP_GROUP_SP_LLDP:
case MLXSW_REG_HTGT_TRAP_GROUP_SP_OSPF:
case MLXSW_REG_HTGT_TRAP_GROUP_SP_PIM:
case MLXSW_REG_HTGT_TRAP_GROUP_SP_RPF:
case MLXSW_REG_HTGT_TRAP_GROUP_SP_LBERROR:
rate = 128;
burst_size = 7;
break;
case MLXSW_REG_HTGT_TRAP_GROUP_SP_IGMP:
case MLXSW_REG_HTGT_TRAP_GROUP_SP_IPV6_MLD:
rate = 16 * 1024;
burst_size = 10;
break;
case MLXSW_REG_HTGT_TRAP_GROUP_SP_BGP:
case MLXSW_REG_HTGT_TRAP_GROUP_SP_ARP:
case MLXSW_REG_HTGT_TRAP_GROUP_SP_DHCP:
case MLXSW_REG_HTGT_TRAP_GROUP_SP_HOST_MISS:
case MLXSW_REG_HTGT_TRAP_GROUP_SP_ROUTER_EXP:
case MLXSW_REG_HTGT_TRAP_GROUP_SP_REMOTE_ROUTE:
case MLXSW_REG_HTGT_TRAP_GROUP_SP_IPV6_ND:
case MLXSW_REG_HTGT_TRAP_GROUP_SP_MULTICAST:
rate = 1024;
burst_size = 7;
break;
case MLXSW_REG_HTGT_TRAP_GROUP_SP_IP2ME:
rate = 1024;
burst_size = 7;
break;
case MLXSW_REG_HTGT_TRAP_GROUP_SP_PTP0:
rate = 24 * 1024;
burst_size = 12;
break;
case MLXSW_REG_HTGT_TRAP_GROUP_SP_PTP1:
rate = 19 * 1024;
burst_size = 12;
break;
case MLXSW_REG_HTGT_TRAP_GROUP_SP_VRRP:
rate = 360;
burst_size = 7;
break;
default:
continue;
}
mlxsw_reg_qpcr_pack(qpcr_pl, i, ir_units, is_bytes, rate,
burst_size);
err = mlxsw_reg_write(mlxsw_core, MLXSW_REG(qpcr), qpcr_pl);
if (err)
return err;
}
return 0;
}
static int mlxsw_sp_trap_groups_set(struct mlxsw_core *mlxsw_core)
{
char htgt_pl[MLXSW_REG_HTGT_LEN];
enum mlxsw_reg_htgt_trap_group i;
int max_cpu_policers;
int max_trap_groups;
u8 priority, tc;
u16 policer_id;
int err;
if (!MLXSW_CORE_RES_VALID(mlxsw_core, MAX_TRAP_GROUPS))
return -EIO;
max_trap_groups = MLXSW_CORE_RES_GET(mlxsw_core, MAX_TRAP_GROUPS);
max_cpu_policers = MLXSW_CORE_RES_GET(mlxsw_core, MAX_CPU_POLICERS);
for (i = 0; i < max_trap_groups; i++) {
policer_id = i;
switch (i) {
case MLXSW_REG_HTGT_TRAP_GROUP_SP_STP:
case MLXSW_REG_HTGT_TRAP_GROUP_SP_LACP:
case MLXSW_REG_HTGT_TRAP_GROUP_SP_LLDP:
case MLXSW_REG_HTGT_TRAP_GROUP_SP_OSPF:
case MLXSW_REG_HTGT_TRAP_GROUP_SP_PIM:
case MLXSW_REG_HTGT_TRAP_GROUP_SP_PTP0:
case MLXSW_REG_HTGT_TRAP_GROUP_SP_VRRP:
priority = 5;
tc = 5;
break;
case MLXSW_REG_HTGT_TRAP_GROUP_SP_BGP:
case MLXSW_REG_HTGT_TRAP_GROUP_SP_DHCP:
priority = 4;
tc = 4;
break;
case MLXSW_REG_HTGT_TRAP_GROUP_SP_IGMP:
case MLXSW_REG_HTGT_TRAP_GROUP_SP_IP2ME:
case MLXSW_REG_HTGT_TRAP_GROUP_SP_IPV6_MLD:
priority = 3;
tc = 3;
break;
case MLXSW_REG_HTGT_TRAP_GROUP_SP_ARP:
case MLXSW_REG_HTGT_TRAP_GROUP_SP_IPV6_ND:
case MLXSW_REG_HTGT_TRAP_GROUP_SP_RPF:
case MLXSW_REG_HTGT_TRAP_GROUP_SP_PTP1:
priority = 2;
tc = 2;
break;
case MLXSW_REG_HTGT_TRAP_GROUP_SP_HOST_MISS:
case MLXSW_REG_HTGT_TRAP_GROUP_SP_ROUTER_EXP:
case MLXSW_REG_HTGT_TRAP_GROUP_SP_REMOTE_ROUTE:
case MLXSW_REG_HTGT_TRAP_GROUP_SP_MULTICAST:
case MLXSW_REG_HTGT_TRAP_GROUP_SP_LBERROR:
priority = 1;
tc = 1;
break;
case MLXSW_REG_HTGT_TRAP_GROUP_SP_EVENT:
priority = MLXSW_REG_HTGT_DEFAULT_PRIORITY;
tc = MLXSW_REG_HTGT_DEFAULT_TC;
policer_id = MLXSW_REG_HTGT_INVALID_POLICER;
break;
default:
continue;
}
if (max_cpu_policers <= policer_id &&
policer_id != MLXSW_REG_HTGT_INVALID_POLICER)
return -EIO;
mlxsw_reg_htgt_pack(htgt_pl, i, policer_id, priority, tc);
err = mlxsw_reg_write(mlxsw_core, MLXSW_REG(htgt), htgt_pl);
if (err)
return err;
}
return 0;
}
static int mlxsw_sp_traps_register(struct mlxsw_sp *mlxsw_sp,
const struct mlxsw_listener listeners[],
size_t listeners_count)
{
int i;
int err;
for (i = 0; i < listeners_count; i++) {
err = mlxsw_core_trap_register(mlxsw_sp->core,
&listeners[i],
mlxsw_sp);
if (err)
goto err_listener_register;
}
return 0;
err_listener_register:
for (i--; i >= 0; i--) {
mlxsw_core_trap_unregister(mlxsw_sp->core,
&listeners[i],
mlxsw_sp);
}
return err;
}
static void mlxsw_sp_traps_unregister(struct mlxsw_sp *mlxsw_sp,
const struct mlxsw_listener listeners[],
size_t listeners_count)
{
int i;
for (i = 0; i < listeners_count; i++) {
mlxsw_core_trap_unregister(mlxsw_sp->core,
&listeners[i],
mlxsw_sp);
}
}
static int mlxsw_sp_traps_init(struct mlxsw_sp *mlxsw_sp)
{
int err;
err = mlxsw_sp_cpu_policers_set(mlxsw_sp->core);
if (err)
return err;
err = mlxsw_sp_trap_groups_set(mlxsw_sp->core);
if (err)
return err;
err = mlxsw_sp_traps_register(mlxsw_sp, mlxsw_sp_listener,
ARRAY_SIZE(mlxsw_sp_listener));
if (err)
return err;
err = mlxsw_sp_traps_register(mlxsw_sp, mlxsw_sp->listeners,
mlxsw_sp->listeners_count);
if (err)
goto err_extra_traps_init;
return 0;
err_extra_traps_init:
mlxsw_sp_traps_unregister(mlxsw_sp, mlxsw_sp_listener,
ARRAY_SIZE(mlxsw_sp_listener));
return err;
}
static void mlxsw_sp_traps_fini(struct mlxsw_sp *mlxsw_sp)
{
mlxsw_sp_traps_unregister(mlxsw_sp, mlxsw_sp->listeners,
mlxsw_sp->listeners_count);
mlxsw_sp_traps_unregister(mlxsw_sp, mlxsw_sp_listener,
ARRAY_SIZE(mlxsw_sp_listener));
}
#define MLXSW_SP_LAG_SEED_INIT 0xcafecafe
static int mlxsw_sp_lag_init(struct mlxsw_sp *mlxsw_sp)
{
char slcr_pl[MLXSW_REG_SLCR_LEN];
u32 seed;
int err;
seed = jhash(mlxsw_sp->base_mac, sizeof(mlxsw_sp->base_mac),
MLXSW_SP_LAG_SEED_INIT);
mlxsw_reg_slcr_pack(slcr_pl, MLXSW_REG_SLCR_LAG_HASH_SMAC |
MLXSW_REG_SLCR_LAG_HASH_DMAC |
MLXSW_REG_SLCR_LAG_HASH_ETHERTYPE |
MLXSW_REG_SLCR_LAG_HASH_VLANID |
MLXSW_REG_SLCR_LAG_HASH_SIP |
MLXSW_REG_SLCR_LAG_HASH_DIP |
MLXSW_REG_SLCR_LAG_HASH_SPORT |
MLXSW_REG_SLCR_LAG_HASH_DPORT |
MLXSW_REG_SLCR_LAG_HASH_IPPROTO, seed);
err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(slcr), slcr_pl);
if (err)
return err;
if (!MLXSW_CORE_RES_VALID(mlxsw_sp->core, MAX_LAG) ||
!MLXSW_CORE_RES_VALID(mlxsw_sp->core, MAX_LAG_MEMBERS))
return -EIO;
mlxsw_sp->lags = kcalloc(MLXSW_CORE_RES_GET(mlxsw_sp->core, MAX_LAG),
sizeof(struct mlxsw_sp_upper),
GFP_KERNEL);
if (!mlxsw_sp->lags)
return -ENOMEM;
return 0;
}
static void mlxsw_sp_lag_fini(struct mlxsw_sp *mlxsw_sp)
{
kfree(mlxsw_sp->lags);
}
static int mlxsw_sp_basic_trap_groups_set(struct mlxsw_core *mlxsw_core)
{
char htgt_pl[MLXSW_REG_HTGT_LEN];
mlxsw_reg_htgt_pack(htgt_pl, MLXSW_REG_HTGT_TRAP_GROUP_EMAD,
MLXSW_REG_HTGT_INVALID_POLICER,
MLXSW_REG_HTGT_DEFAULT_PRIORITY,
MLXSW_REG_HTGT_DEFAULT_TC);
return mlxsw_reg_write(mlxsw_core, MLXSW_REG(htgt), htgt_pl);
}
static const struct mlxsw_sp_ptp_ops mlxsw_sp1_ptp_ops = {
.clock_init = mlxsw_sp1_ptp_clock_init,
.clock_fini = mlxsw_sp1_ptp_clock_fini,
.init = mlxsw_sp1_ptp_init,
.fini = mlxsw_sp1_ptp_fini,
.receive = mlxsw_sp1_ptp_receive,
.transmitted = mlxsw_sp1_ptp_transmitted,
.hwtstamp_get = mlxsw_sp1_ptp_hwtstamp_get,
.hwtstamp_set = mlxsw_sp1_ptp_hwtstamp_set,
.shaper_work = mlxsw_sp1_ptp_shaper_work,
.get_ts_info = mlxsw_sp1_ptp_get_ts_info,
.get_stats_count = mlxsw_sp1_get_stats_count,
.get_stats_strings = mlxsw_sp1_get_stats_strings,
.get_stats = mlxsw_sp1_get_stats,
};
static const struct mlxsw_sp_ptp_ops mlxsw_sp2_ptp_ops = {
.clock_init = mlxsw_sp2_ptp_clock_init,
.clock_fini = mlxsw_sp2_ptp_clock_fini,
.init = mlxsw_sp2_ptp_init,
.fini = mlxsw_sp2_ptp_fini,
.receive = mlxsw_sp2_ptp_receive,
.transmitted = mlxsw_sp2_ptp_transmitted,
.hwtstamp_get = mlxsw_sp2_ptp_hwtstamp_get,
.hwtstamp_set = mlxsw_sp2_ptp_hwtstamp_set,
.shaper_work = mlxsw_sp2_ptp_shaper_work,
.get_ts_info = mlxsw_sp2_ptp_get_ts_info,
.get_stats_count = mlxsw_sp2_get_stats_count,
.get_stats_strings = mlxsw_sp2_get_stats_strings,
.get_stats = mlxsw_sp2_get_stats,
};
static int mlxsw_sp_netdevice_event(struct notifier_block *unused,
unsigned long event, void *ptr);
static int mlxsw_sp_init(struct mlxsw_core *mlxsw_core,
const struct mlxsw_bus_info *mlxsw_bus_info,
struct netlink_ext_ack *extack)
{
struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core);
int err;
mlxsw_sp->core = mlxsw_core;
mlxsw_sp->bus_info = mlxsw_bus_info;
err = mlxsw_sp_fw_rev_validate(mlxsw_sp);
if (err)
return err;
mlxsw_core_emad_string_tlv_enable(mlxsw_core);
err = mlxsw_sp_base_mac_get(mlxsw_sp);
if (err) {
dev_err(mlxsw_sp->bus_info->dev, "Failed to get base mac\n");
return err;
}
err = mlxsw_sp_kvdl_init(mlxsw_sp);
if (err) {
dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize KVDL\n");
return err;
}
err = mlxsw_sp_fids_init(mlxsw_sp);
if (err) {
dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize FIDs\n");
goto err_fids_init;
}
err = mlxsw_sp_traps_init(mlxsw_sp);
if (err) {
dev_err(mlxsw_sp->bus_info->dev, "Failed to set traps\n");
goto err_traps_init;
}
err = mlxsw_sp_devlink_traps_init(mlxsw_sp);
if (err) {
dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize devlink traps\n");
goto err_devlink_traps_init;
}
err = mlxsw_sp_buffers_init(mlxsw_sp);
if (err) {
dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize buffers\n");
goto err_buffers_init;
}
err = mlxsw_sp_lag_init(mlxsw_sp);
if (err) {
dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize LAG\n");
goto err_lag_init;
}
/* Initialize SPAN before router and switchdev, so that those components
* can call mlxsw_sp_span_respin().
*/
err = mlxsw_sp_span_init(mlxsw_sp);
if (err) {
dev_err(mlxsw_sp->bus_info->dev, "Failed to init span system\n");
goto err_span_init;
}
err = mlxsw_sp_switchdev_init(mlxsw_sp);
if (err) {
dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize switchdev\n");
goto err_switchdev_init;
}
err = mlxsw_sp_counter_pool_init(mlxsw_sp);
if (err) {
dev_err(mlxsw_sp->bus_info->dev, "Failed to init counter pool\n");
goto err_counter_pool_init;
}
err = mlxsw_sp_afa_init(mlxsw_sp);
if (err) {
dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize ACL actions\n");
goto err_afa_init;
}
err = mlxsw_sp_nve_init(mlxsw_sp);
if (err) {
dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize NVE\n");
goto err_nve_init;
}
err = mlxsw_sp_acl_init(mlxsw_sp);
if (err) {
dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize ACL\n");
goto err_acl_init;
}
err = mlxsw_sp_router_init(mlxsw_sp, extack);
if (err) {
dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize router\n");
goto err_router_init;
}
if (mlxsw_sp->bus_info->read_frc_capable) {
/* NULL is a valid return value from clock_init */
mlxsw_sp->clock =
mlxsw_sp->ptp_ops->clock_init(mlxsw_sp,
mlxsw_sp->bus_info->dev);
if (IS_ERR(mlxsw_sp->clock)) {
err = PTR_ERR(mlxsw_sp->clock);
dev_err(mlxsw_sp->bus_info->dev, "Failed to init ptp clock\n");
goto err_ptp_clock_init;
}
}
if (mlxsw_sp->clock) {
/* NULL is a valid return value from ptp_ops->init */
mlxsw_sp->ptp_state = mlxsw_sp->ptp_ops->init(mlxsw_sp);
if (IS_ERR(mlxsw_sp->ptp_state)) {
err = PTR_ERR(mlxsw_sp->ptp_state);
dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize PTP\n");
goto err_ptp_init;
}
}
/* Initialize netdevice notifier after router and SPAN is initialized,
* so that the event handler can use router structures and call SPAN
* respin.
*/
mlxsw_sp->netdevice_nb.notifier_call = mlxsw_sp_netdevice_event;
err = register_netdevice_notifier_net(mlxsw_sp_net(mlxsw_sp),
&mlxsw_sp->netdevice_nb);
if (err) {
dev_err(mlxsw_sp->bus_info->dev, "Failed to register netdev notifier\n");
goto err_netdev_notifier;
}
err = mlxsw_sp_dpipe_init(mlxsw_sp);
if (err) {
dev_err(mlxsw_sp->bus_info->dev, "Failed to init pipeline debug\n");
goto err_dpipe_init;
}
err = mlxsw_sp_port_module_info_init(mlxsw_sp);
if (err) {
dev_err(mlxsw_sp->bus_info->dev, "Failed to init port module info\n");
goto err_port_module_info_init;
}
err = mlxsw_sp_ports_create(mlxsw_sp);
if (err) {
dev_err(mlxsw_sp->bus_info->dev, "Failed to create ports\n");
goto err_ports_create;
}
return 0;
err_ports_create:
mlxsw_sp_port_module_info_fini(mlxsw_sp);
err_port_module_info_init:
mlxsw_sp_dpipe_fini(mlxsw_sp);
err_dpipe_init:
unregister_netdevice_notifier_net(mlxsw_sp_net(mlxsw_sp),
&mlxsw_sp->netdevice_nb);
err_netdev_notifier:
if (mlxsw_sp->clock)
mlxsw_sp->ptp_ops->fini(mlxsw_sp->ptp_state);
err_ptp_init:
if (mlxsw_sp->clock)
mlxsw_sp->ptp_ops->clock_fini(mlxsw_sp->clock);
err_ptp_clock_init:
mlxsw_sp_router_fini(mlxsw_sp);
err_router_init:
mlxsw_sp_acl_fini(mlxsw_sp);
err_acl_init:
mlxsw_sp_nve_fini(mlxsw_sp);
err_nve_init:
mlxsw_sp_afa_fini(mlxsw_sp);
err_afa_init:
mlxsw_sp_counter_pool_fini(mlxsw_sp);
err_counter_pool_init:
mlxsw_sp_switchdev_fini(mlxsw_sp);
err_switchdev_init:
mlxsw_sp_span_fini(mlxsw_sp);
err_span_init:
mlxsw_sp_lag_fini(mlxsw_sp);
err_lag_init:
mlxsw_sp_buffers_fini(mlxsw_sp);
err_buffers_init:
mlxsw_sp_devlink_traps_fini(mlxsw_sp);
err_devlink_traps_init:
mlxsw_sp_traps_fini(mlxsw_sp);
err_traps_init:
mlxsw_sp_fids_fini(mlxsw_sp);
err_fids_init:
mlxsw_sp_kvdl_fini(mlxsw_sp);
return err;
}
static int mlxsw_sp1_init(struct mlxsw_core *mlxsw_core,
const struct mlxsw_bus_info *mlxsw_bus_info,
struct netlink_ext_ack *extack)
{
struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core);
mlxsw_sp->req_rev = &mlxsw_sp1_fw_rev;
mlxsw_sp->fw_filename = MLXSW_SP1_FW_FILENAME;
mlxsw_sp->kvdl_ops = &mlxsw_sp1_kvdl_ops;
mlxsw_sp->afa_ops = &mlxsw_sp1_act_afa_ops;
mlxsw_sp->afk_ops = &mlxsw_sp1_afk_ops;
mlxsw_sp->mr_tcam_ops = &mlxsw_sp1_mr_tcam_ops;
mlxsw_sp->acl_tcam_ops = &mlxsw_sp1_acl_tcam_ops;
mlxsw_sp->nve_ops_arr = mlxsw_sp1_nve_ops_arr;
mlxsw_sp->mac_mask = mlxsw_sp1_mac_mask;
mlxsw_sp->rif_ops_arr = mlxsw_sp1_rif_ops_arr;
mlxsw_sp->sb_vals = &mlxsw_sp1_sb_vals;
mlxsw_sp->port_type_speed_ops = &mlxsw_sp1_port_type_speed_ops;
mlxsw_sp->ptp_ops = &mlxsw_sp1_ptp_ops;
mlxsw_sp->listeners = mlxsw_sp1_listener;
mlxsw_sp->listeners_count = ARRAY_SIZE(mlxsw_sp1_listener);
return mlxsw_sp_init(mlxsw_core, mlxsw_bus_info, extack);
}
static int mlxsw_sp2_init(struct mlxsw_core *mlxsw_core,
const struct mlxsw_bus_info *mlxsw_bus_info,
struct netlink_ext_ack *extack)
{
struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core);
mlxsw_sp->req_rev = &mlxsw_sp2_fw_rev;
mlxsw_sp->fw_filename = MLXSW_SP2_FW_FILENAME;
mlxsw_sp->kvdl_ops = &mlxsw_sp2_kvdl_ops;
mlxsw_sp->afa_ops = &mlxsw_sp2_act_afa_ops;
mlxsw_sp->afk_ops = &mlxsw_sp2_afk_ops;
mlxsw_sp->mr_tcam_ops = &mlxsw_sp2_mr_tcam_ops;
mlxsw_sp->acl_tcam_ops = &mlxsw_sp2_acl_tcam_ops;
mlxsw_sp->nve_ops_arr = mlxsw_sp2_nve_ops_arr;
mlxsw_sp->mac_mask = mlxsw_sp2_mac_mask;
mlxsw_sp->rif_ops_arr = mlxsw_sp2_rif_ops_arr;
mlxsw_sp->sb_vals = &mlxsw_sp2_sb_vals;
mlxsw_sp->port_type_speed_ops = &mlxsw_sp2_port_type_speed_ops;
mlxsw_sp->ptp_ops = &mlxsw_sp2_ptp_ops;
return mlxsw_sp_init(mlxsw_core, mlxsw_bus_info, extack);
}
static void mlxsw_sp_fini(struct mlxsw_core *mlxsw_core)
{
struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core);
mlxsw_sp_ports_remove(mlxsw_sp);
mlxsw_sp_port_module_info_fini(mlxsw_sp);
mlxsw_sp_dpipe_fini(mlxsw_sp);
unregister_netdevice_notifier_net(mlxsw_sp_net(mlxsw_sp),
&mlxsw_sp->netdevice_nb);
if (mlxsw_sp->clock) {
mlxsw_sp->ptp_ops->fini(mlxsw_sp->ptp_state);
mlxsw_sp->ptp_ops->clock_fini(mlxsw_sp->clock);
}
mlxsw_sp_router_fini(mlxsw_sp);
mlxsw_sp_acl_fini(mlxsw_sp);
mlxsw_sp_nve_fini(mlxsw_sp);
mlxsw_sp_afa_fini(mlxsw_sp);
mlxsw_sp_counter_pool_fini(mlxsw_sp);
mlxsw_sp_switchdev_fini(mlxsw_sp);
mlxsw_sp_span_fini(mlxsw_sp);
mlxsw_sp_lag_fini(mlxsw_sp);
mlxsw_sp_buffers_fini(mlxsw_sp);
mlxsw_sp_devlink_traps_fini(mlxsw_sp);
mlxsw_sp_traps_fini(mlxsw_sp);
mlxsw_sp_fids_fini(mlxsw_sp);
mlxsw_sp_kvdl_fini(mlxsw_sp);
}
/* Per-FID flood tables are used for both "true" 802.1D FIDs and emulated
* 802.1Q FIDs
*/
#define MLXSW_SP_FID_FLOOD_TABLE_SIZE (MLXSW_SP_FID_8021D_MAX + \
VLAN_VID_MASK - 1)
static const struct mlxsw_config_profile mlxsw_sp1_config_profile = {
.used_max_mid = 1,
.max_mid = MLXSW_SP_MID_MAX,
.used_flood_tables = 1,
.used_flood_mode = 1,
.flood_mode = 3,
.max_fid_flood_tables = 3,
.fid_flood_table_size = MLXSW_SP_FID_FLOOD_TABLE_SIZE,
.used_max_ib_mc = 1,
.max_ib_mc = 0,
.used_max_pkey = 1,
.max_pkey = 0,
.used_kvd_sizes = 1,
.kvd_hash_single_parts = 59,
.kvd_hash_double_parts = 41,
.kvd_linear_size = MLXSW_SP_KVD_LINEAR_SIZE,
.swid_config = {
{
.used_type = 1,
.type = MLXSW_PORT_SWID_TYPE_ETH,
}
},
};
static const struct mlxsw_config_profile mlxsw_sp2_config_profile = {
.used_max_mid = 1,
.max_mid = MLXSW_SP_MID_MAX,
.used_flood_tables = 1,
.used_flood_mode = 1,
.flood_mode = 3,
.max_fid_flood_tables = 3,
.fid_flood_table_size = MLXSW_SP_FID_FLOOD_TABLE_SIZE,
.used_max_ib_mc = 1,
.max_ib_mc = 0,
.used_max_pkey = 1,
.max_pkey = 0,
.swid_config = {
{
.used_type = 1,
.type = MLXSW_PORT_SWID_TYPE_ETH,
}
},
};
static void
mlxsw_sp_resource_size_params_prepare(struct mlxsw_core *mlxsw_core,
struct devlink_resource_size_params *kvd_size_params,
struct devlink_resource_size_params *linear_size_params,
struct devlink_resource_size_params *hash_double_size_params,
struct devlink_resource_size_params *hash_single_size_params)
{
u32 single_size_min = MLXSW_CORE_RES_GET(mlxsw_core,
KVD_SINGLE_MIN_SIZE);
u32 double_size_min = MLXSW_CORE_RES_GET(mlxsw_core,
KVD_DOUBLE_MIN_SIZE);
u32 kvd_size = MLXSW_CORE_RES_GET(mlxsw_core, KVD_SIZE);
u32 linear_size_min = 0;
devlink_resource_size_params_init(kvd_size_params, kvd_size, kvd_size,
MLXSW_SP_KVD_GRANULARITY,
DEVLINK_RESOURCE_UNIT_ENTRY);
devlink_resource_size_params_init(linear_size_params, linear_size_min,
kvd_size - single_size_min -
double_size_min,
MLXSW_SP_KVD_GRANULARITY,
DEVLINK_RESOURCE_UNIT_ENTRY);
devlink_resource_size_params_init(hash_double_size_params,
double_size_min,
kvd_size - single_size_min -
linear_size_min,
MLXSW_SP_KVD_GRANULARITY,
DEVLINK_RESOURCE_UNIT_ENTRY);
devlink_resource_size_params_init(hash_single_size_params,
single_size_min,
kvd_size - double_size_min -
linear_size_min,
MLXSW_SP_KVD_GRANULARITY,
DEVLINK_RESOURCE_UNIT_ENTRY);
}
static int mlxsw_sp1_resources_kvd_register(struct mlxsw_core *mlxsw_core)
{
struct devlink *devlink = priv_to_devlink(mlxsw_core);
struct devlink_resource_size_params hash_single_size_params;
struct devlink_resource_size_params hash_double_size_params;
struct devlink_resource_size_params linear_size_params;
struct devlink_resource_size_params kvd_size_params;
u32 kvd_size, single_size, double_size, linear_size;
const struct mlxsw_config_profile *profile;
int err;
profile = &mlxsw_sp1_config_profile;
if (!MLXSW_CORE_RES_VALID(mlxsw_core, KVD_SIZE))
return -EIO;
mlxsw_sp_resource_size_params_prepare(mlxsw_core, &kvd_size_params,
&linear_size_params,
&hash_double_size_params,
&hash_single_size_params);
kvd_size = MLXSW_CORE_RES_GET(mlxsw_core, KVD_SIZE);
err = devlink_resource_register(devlink, MLXSW_SP_RESOURCE_NAME_KVD,
kvd_size, MLXSW_SP_RESOURCE_KVD,
DEVLINK_RESOURCE_ID_PARENT_TOP,
&kvd_size_params);
if (err)
return err;
linear_size = profile->kvd_linear_size;
err = devlink_resource_register(devlink, MLXSW_SP_RESOURCE_NAME_KVD_LINEAR,
linear_size,
MLXSW_SP_RESOURCE_KVD_LINEAR,
MLXSW_SP_RESOURCE_KVD,
&linear_size_params);
if (err)
return err;
err = mlxsw_sp1_kvdl_resources_register(mlxsw_core);
if (err)
return err;
double_size = kvd_size - linear_size;
double_size *= profile->kvd_hash_double_parts;
double_size /= profile->kvd_hash_double_parts +
profile->kvd_hash_single_parts;
double_size = rounddown(double_size, MLXSW_SP_KVD_GRANULARITY);
err = devlink_resource_register(devlink, MLXSW_SP_RESOURCE_NAME_KVD_HASH_DOUBLE,
double_size,
MLXSW_SP_RESOURCE_KVD_HASH_DOUBLE,
MLXSW_SP_RESOURCE_KVD,
&hash_double_size_params);
if (err)
return err;
single_size = kvd_size - double_size - linear_size;
err = devlink_resource_register(devlink, MLXSW_SP_RESOURCE_NAME_KVD_HASH_SINGLE,
single_size,
MLXSW_SP_RESOURCE_KVD_HASH_SINGLE,
MLXSW_SP_RESOURCE_KVD,
&hash_single_size_params);
if (err)
return err;
return 0;
}
static int mlxsw_sp2_resources_kvd_register(struct mlxsw_core *mlxsw_core)
{
struct devlink *devlink = priv_to_devlink(mlxsw_core);
struct devlink_resource_size_params kvd_size_params;
u32 kvd_size;
if (!MLXSW_CORE_RES_VALID(mlxsw_core, KVD_SIZE))
return -EIO;
kvd_size = MLXSW_CORE_RES_GET(mlxsw_core, KVD_SIZE);
devlink_resource_size_params_init(&kvd_size_params, kvd_size, kvd_size,
MLXSW_SP_KVD_GRANULARITY,
DEVLINK_RESOURCE_UNIT_ENTRY);
return devlink_resource_register(devlink, MLXSW_SP_RESOURCE_NAME_KVD,
kvd_size, MLXSW_SP_RESOURCE_KVD,
DEVLINK_RESOURCE_ID_PARENT_TOP,
&kvd_size_params);
}
static int mlxsw_sp_resources_span_register(struct mlxsw_core *mlxsw_core)
{
struct devlink *devlink = priv_to_devlink(mlxsw_core);
struct devlink_resource_size_params span_size_params;
u32 max_span;
if (!MLXSW_CORE_RES_VALID(mlxsw_core, MAX_SPAN))
return -EIO;
max_span = MLXSW_CORE_RES_GET(mlxsw_core, MAX_SPAN);
devlink_resource_size_params_init(&span_size_params, max_span, max_span,
1, DEVLINK_RESOURCE_UNIT_ENTRY);
return devlink_resource_register(devlink, MLXSW_SP_RESOURCE_NAME_SPAN,
max_span, MLXSW_SP_RESOURCE_SPAN,
DEVLINK_RESOURCE_ID_PARENT_TOP,
&span_size_params);
}
static int mlxsw_sp1_resources_register(struct mlxsw_core *mlxsw_core)
{
int err;
err = mlxsw_sp1_resources_kvd_register(mlxsw_core);
if (err)
return err;
err = mlxsw_sp_resources_span_register(mlxsw_core);
if (err)
goto err_resources_span_register;
return 0;
err_resources_span_register:
devlink_resources_unregister(priv_to_devlink(mlxsw_core), NULL);
return err;
}
static int mlxsw_sp2_resources_register(struct mlxsw_core *mlxsw_core)
{
int err;
err = mlxsw_sp2_resources_kvd_register(mlxsw_core);
if (err)
return err;
err = mlxsw_sp_resources_span_register(mlxsw_core);
if (err)
goto err_resources_span_register;
return 0;
err_resources_span_register:
devlink_resources_unregister(priv_to_devlink(mlxsw_core), NULL);
return err;
}
static int mlxsw_sp_kvd_sizes_get(struct mlxsw_core *mlxsw_core,
const struct mlxsw_config_profile *profile,
u64 *p_single_size, u64 *p_double_size,
u64 *p_linear_size)
{
struct devlink *devlink = priv_to_devlink(mlxsw_core);
u32 double_size;
int err;
if (!MLXSW_CORE_RES_VALID(mlxsw_core, KVD_SINGLE_MIN_SIZE) ||
!MLXSW_CORE_RES_VALID(mlxsw_core, KVD_DOUBLE_MIN_SIZE))
return -EIO;
/* The hash part is what left of the kvd without the
* linear part. It is split to the single size and
* double size by the parts ratio from the profile.
* Both sizes must be a multiplications of the
* granularity from the profile. In case the user
* provided the sizes they are obtained via devlink.
*/
err = devlink_resource_size_get(devlink,
MLXSW_SP_RESOURCE_KVD_LINEAR,
p_linear_size);
if (err)
*p_linear_size = profile->kvd_linear_size;
err = devlink_resource_size_get(devlink,
MLXSW_SP_RESOURCE_KVD_HASH_DOUBLE,
p_double_size);
if (err) {
double_size = MLXSW_CORE_RES_GET(mlxsw_core, KVD_SIZE) -
*p_linear_size;
double_size *= profile->kvd_hash_double_parts;
double_size /= profile->kvd_hash_double_parts +
profile->kvd_hash_single_parts;
*p_double_size = rounddown(double_size,
MLXSW_SP_KVD_GRANULARITY);
}
err = devlink_resource_size_get(devlink,
MLXSW_SP_RESOURCE_KVD_HASH_SINGLE,
p_single_size);
if (err)
*p_single_size = MLXSW_CORE_RES_GET(mlxsw_core, KVD_SIZE) -
*p_double_size - *p_linear_size;
/* Check results are legal. */
if (*p_single_size < MLXSW_CORE_RES_GET(mlxsw_core, KVD_SINGLE_MIN_SIZE) ||
*p_double_size < MLXSW_CORE_RES_GET(mlxsw_core, KVD_DOUBLE_MIN_SIZE) ||
MLXSW_CORE_RES_GET(mlxsw_core, KVD_SIZE) < *p_linear_size)
return -EIO;
return 0;
}
static int
mlxsw_sp_devlink_param_fw_load_policy_validate(struct devlink *devlink, u32 id,
union devlink_param_value val,
struct netlink_ext_ack *extack)
{
if ((val.vu8 != DEVLINK_PARAM_FW_LOAD_POLICY_VALUE_DRIVER) &&
(val.vu8 != DEVLINK_PARAM_FW_LOAD_POLICY_VALUE_FLASH)) {
NL_SET_ERR_MSG_MOD(extack, "'fw_load_policy' must be 'driver' or 'flash'");
return -EINVAL;
}
return 0;
}
static const struct devlink_param mlxsw_sp_devlink_params[] = {
DEVLINK_PARAM_GENERIC(FW_LOAD_POLICY,
BIT(DEVLINK_PARAM_CMODE_DRIVERINIT),
NULL, NULL,
mlxsw_sp_devlink_param_fw_load_policy_validate),
};
static int mlxsw_sp_params_register(struct mlxsw_core *mlxsw_core)
{
struct devlink *devlink = priv_to_devlink(mlxsw_core);
union devlink_param_value value;
int err;
err = devlink_params_register(devlink, mlxsw_sp_devlink_params,
ARRAY_SIZE(mlxsw_sp_devlink_params));
if (err)
return err;
value.vu8 = DEVLINK_PARAM_FW_LOAD_POLICY_VALUE_DRIVER;
devlink_param_driverinit_value_set(devlink,
DEVLINK_PARAM_GENERIC_ID_FW_LOAD_POLICY,
value);
return 0;
}
static void mlxsw_sp_params_unregister(struct mlxsw_core *mlxsw_core)
{
devlink_params_unregister(priv_to_devlink(mlxsw_core),
mlxsw_sp_devlink_params,
ARRAY_SIZE(mlxsw_sp_devlink_params));
}
static int
mlxsw_sp_params_acl_region_rehash_intrvl_get(struct devlink *devlink, u32 id,
struct devlink_param_gset_ctx *ctx)
{
struct mlxsw_core *mlxsw_core = devlink_priv(devlink);
struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core);
ctx->val.vu32 = mlxsw_sp_acl_region_rehash_intrvl_get(mlxsw_sp);
return 0;
}
static int
mlxsw_sp_params_acl_region_rehash_intrvl_set(struct devlink *devlink, u32 id,
struct devlink_param_gset_ctx *ctx)
{
struct mlxsw_core *mlxsw_core = devlink_priv(devlink);
struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core);
return mlxsw_sp_acl_region_rehash_intrvl_set(mlxsw_sp, ctx->val.vu32);
}
static const struct devlink_param mlxsw_sp2_devlink_params[] = {
DEVLINK_PARAM_DRIVER(MLXSW_DEVLINK_PARAM_ID_ACL_REGION_REHASH_INTERVAL,
"acl_region_rehash_interval",
DEVLINK_PARAM_TYPE_U32,
BIT(DEVLINK_PARAM_CMODE_RUNTIME),
mlxsw_sp_params_acl_region_rehash_intrvl_get,
mlxsw_sp_params_acl_region_rehash_intrvl_set,
NULL),
};
static int mlxsw_sp2_params_register(struct mlxsw_core *mlxsw_core)
{
struct devlink *devlink = priv_to_devlink(mlxsw_core);
union devlink_param_value value;
int err;
err = mlxsw_sp_params_register(mlxsw_core);
if (err)
return err;
err = devlink_params_register(devlink, mlxsw_sp2_devlink_params,
ARRAY_SIZE(mlxsw_sp2_devlink_params));
if (err)
goto err_devlink_params_register;
value.vu32 = 0;
devlink_param_driverinit_value_set(devlink,
MLXSW_DEVLINK_PARAM_ID_ACL_REGION_REHASH_INTERVAL,
value);
return 0;
err_devlink_params_register:
mlxsw_sp_params_unregister(mlxsw_core);
return err;
}
static void mlxsw_sp2_params_unregister(struct mlxsw_core *mlxsw_core)
{
devlink_params_unregister(priv_to_devlink(mlxsw_core),
mlxsw_sp2_devlink_params,
ARRAY_SIZE(mlxsw_sp2_devlink_params));
mlxsw_sp_params_unregister(mlxsw_core);
}
static void mlxsw_sp_ptp_transmitted(struct mlxsw_core *mlxsw_core,
struct sk_buff *skb, u8 local_port)
{
struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core);
skb_pull(skb, MLXSW_TXHDR_LEN);
mlxsw_sp->ptp_ops->transmitted(mlxsw_sp, skb, local_port);
}
static struct mlxsw_driver mlxsw_sp1_driver = {
.kind = mlxsw_sp1_driver_name,
.priv_size = sizeof(struct mlxsw_sp),
.init = mlxsw_sp1_init,
.fini = mlxsw_sp_fini,
.basic_trap_groups_set = mlxsw_sp_basic_trap_groups_set,
.port_split = mlxsw_sp_port_split,
.port_unsplit = mlxsw_sp_port_unsplit,
.sb_pool_get = mlxsw_sp_sb_pool_get,
.sb_pool_set = mlxsw_sp_sb_pool_set,
.sb_port_pool_get = mlxsw_sp_sb_port_pool_get,
.sb_port_pool_set = mlxsw_sp_sb_port_pool_set,
.sb_tc_pool_bind_get = mlxsw_sp_sb_tc_pool_bind_get,
.sb_tc_pool_bind_set = mlxsw_sp_sb_tc_pool_bind_set,
.sb_occ_snapshot = mlxsw_sp_sb_occ_snapshot,
.sb_occ_max_clear = mlxsw_sp_sb_occ_max_clear,
.sb_occ_port_pool_get = mlxsw_sp_sb_occ_port_pool_get,
.sb_occ_tc_port_bind_get = mlxsw_sp_sb_occ_tc_port_bind_get,
.flash_update = mlxsw_sp_flash_update,
.trap_init = mlxsw_sp_trap_init,
.trap_fini = mlxsw_sp_trap_fini,
.trap_action_set = mlxsw_sp_trap_action_set,
.trap_group_init = mlxsw_sp_trap_group_init,
.txhdr_construct = mlxsw_sp_txhdr_construct,
.resources_register = mlxsw_sp1_resources_register,
.kvd_sizes_get = mlxsw_sp_kvd_sizes_get,
.params_register = mlxsw_sp_params_register,
.params_unregister = mlxsw_sp_params_unregister,
.ptp_transmitted = mlxsw_sp_ptp_transmitted,
.txhdr_len = MLXSW_TXHDR_LEN,
.profile = &mlxsw_sp1_config_profile,
.res_query_enabled = true,
};
static struct mlxsw_driver mlxsw_sp2_driver = {
.kind = mlxsw_sp2_driver_name,
.priv_size = sizeof(struct mlxsw_sp),
.init = mlxsw_sp2_init,
.fini = mlxsw_sp_fini,
.basic_trap_groups_set = mlxsw_sp_basic_trap_groups_set,
.port_split = mlxsw_sp_port_split,
.port_unsplit = mlxsw_sp_port_unsplit,
.sb_pool_get = mlxsw_sp_sb_pool_get,
.sb_pool_set = mlxsw_sp_sb_pool_set,
.sb_port_pool_get = mlxsw_sp_sb_port_pool_get,
.sb_port_pool_set = mlxsw_sp_sb_port_pool_set,
.sb_tc_pool_bind_get = mlxsw_sp_sb_tc_pool_bind_get,
.sb_tc_pool_bind_set = mlxsw_sp_sb_tc_pool_bind_set,
.sb_occ_snapshot = mlxsw_sp_sb_occ_snapshot,
.sb_occ_max_clear = mlxsw_sp_sb_occ_max_clear,
.sb_occ_port_pool_get = mlxsw_sp_sb_occ_port_pool_get,
.sb_occ_tc_port_bind_get = mlxsw_sp_sb_occ_tc_port_bind_get,
.flash_update = mlxsw_sp_flash_update,
.trap_init = mlxsw_sp_trap_init,
.trap_fini = mlxsw_sp_trap_fini,
.trap_action_set = mlxsw_sp_trap_action_set,
.trap_group_init = mlxsw_sp_trap_group_init,
.txhdr_construct = mlxsw_sp_txhdr_construct,
.resources_register = mlxsw_sp2_resources_register,
.params_register = mlxsw_sp2_params_register,
.params_unregister = mlxsw_sp2_params_unregister,
.ptp_transmitted = mlxsw_sp_ptp_transmitted,
.txhdr_len = MLXSW_TXHDR_LEN,
.profile = &mlxsw_sp2_config_profile,
.res_query_enabled = true,
};
static struct mlxsw_driver mlxsw_sp3_driver = {
.kind = mlxsw_sp3_driver_name,
.priv_size = sizeof(struct mlxsw_sp),
.init = mlxsw_sp2_init,
.fini = mlxsw_sp_fini,
.basic_trap_groups_set = mlxsw_sp_basic_trap_groups_set,
.port_split = mlxsw_sp_port_split,
.port_unsplit = mlxsw_sp_port_unsplit,
.sb_pool_get = mlxsw_sp_sb_pool_get,
.sb_pool_set = mlxsw_sp_sb_pool_set,
.sb_port_pool_get = mlxsw_sp_sb_port_pool_get,
.sb_port_pool_set = mlxsw_sp_sb_port_pool_set,
.sb_tc_pool_bind_get = mlxsw_sp_sb_tc_pool_bind_get,
.sb_tc_pool_bind_set = mlxsw_sp_sb_tc_pool_bind_set,
.sb_occ_snapshot = mlxsw_sp_sb_occ_snapshot,
.sb_occ_max_clear = mlxsw_sp_sb_occ_max_clear,
.sb_occ_port_pool_get = mlxsw_sp_sb_occ_port_pool_get,
.sb_occ_tc_port_bind_get = mlxsw_sp_sb_occ_tc_port_bind_get,
.flash_update = mlxsw_sp_flash_update,
.trap_init = mlxsw_sp_trap_init,
.trap_fini = mlxsw_sp_trap_fini,
.trap_action_set = mlxsw_sp_trap_action_set,
.trap_group_init = mlxsw_sp_trap_group_init,
.txhdr_construct = mlxsw_sp_txhdr_construct,
.resources_register = mlxsw_sp2_resources_register,
.params_register = mlxsw_sp2_params_register,
.params_unregister = mlxsw_sp2_params_unregister,
.ptp_transmitted = mlxsw_sp_ptp_transmitted,
.txhdr_len = MLXSW_TXHDR_LEN,
.profile = &mlxsw_sp2_config_profile,
.res_query_enabled = true,
};
bool mlxsw_sp_port_dev_check(const struct net_device *dev)
{
return dev->netdev_ops == &mlxsw_sp_port_netdev_ops;
}
static int mlxsw_sp_lower_dev_walk(struct net_device *lower_dev, void *data)
{
struct mlxsw_sp_port **p_mlxsw_sp_port = data;
int ret = 0;
if (mlxsw_sp_port_dev_check(lower_dev)) {
*p_mlxsw_sp_port = netdev_priv(lower_dev);
ret = 1;
}
return ret;
}
struct mlxsw_sp_port *mlxsw_sp_port_dev_lower_find(struct net_device *dev)
{
struct mlxsw_sp_port *mlxsw_sp_port;
if (mlxsw_sp_port_dev_check(dev))
return netdev_priv(dev);
mlxsw_sp_port = NULL;
netdev_walk_all_lower_dev(dev, mlxsw_sp_lower_dev_walk, &mlxsw_sp_port);
return mlxsw_sp_port;
}
struct mlxsw_sp *mlxsw_sp_lower_get(struct net_device *dev)
{
struct mlxsw_sp_port *mlxsw_sp_port;
mlxsw_sp_port = mlxsw_sp_port_dev_lower_find(dev);
return mlxsw_sp_port ? mlxsw_sp_port->mlxsw_sp : NULL;
}
struct mlxsw_sp_port *mlxsw_sp_port_dev_lower_find_rcu(struct net_device *dev)
{
struct mlxsw_sp_port *mlxsw_sp_port;
if (mlxsw_sp_port_dev_check(dev))
return netdev_priv(dev);
mlxsw_sp_port = NULL;
netdev_walk_all_lower_dev_rcu(dev, mlxsw_sp_lower_dev_walk,
&mlxsw_sp_port);
return mlxsw_sp_port;
}
struct mlxsw_sp_port *mlxsw_sp_port_lower_dev_hold(struct net_device *dev)
{
struct mlxsw_sp_port *mlxsw_sp_port;
rcu_read_lock();
mlxsw_sp_port = mlxsw_sp_port_dev_lower_find_rcu(dev);
if (mlxsw_sp_port)
dev_hold(mlxsw_sp_port->dev);
rcu_read_unlock();
return mlxsw_sp_port;
}
void mlxsw_sp_port_dev_put(struct mlxsw_sp_port *mlxsw_sp_port)
{
dev_put(mlxsw_sp_port->dev);
}
static void
mlxsw_sp_port_lag_uppers_cleanup(struct mlxsw_sp_port *mlxsw_sp_port,
struct net_device *lag_dev)
{
struct net_device *br_dev = netdev_master_upper_dev_get(lag_dev);
struct net_device *upper_dev;
struct list_head *iter;
if (netif_is_bridge_port(lag_dev))
mlxsw_sp_port_bridge_leave(mlxsw_sp_port, lag_dev, br_dev);
netdev_for_each_upper_dev_rcu(lag_dev, upper_dev, iter) {
if (!netif_is_bridge_port(upper_dev))
continue;
br_dev = netdev_master_upper_dev_get(upper_dev);
mlxsw_sp_port_bridge_leave(mlxsw_sp_port, upper_dev, br_dev);
}
}
static int mlxsw_sp_lag_create(struct mlxsw_sp *mlxsw_sp, u16 lag_id)
{
char sldr_pl[MLXSW_REG_SLDR_LEN];
mlxsw_reg_sldr_lag_create_pack(sldr_pl, lag_id);
return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sldr), sldr_pl);
}
static int mlxsw_sp_lag_destroy(struct mlxsw_sp *mlxsw_sp, u16 lag_id)
{
char sldr_pl[MLXSW_REG_SLDR_LEN];
mlxsw_reg_sldr_lag_destroy_pack(sldr_pl, lag_id);
return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sldr), sldr_pl);
}
static int mlxsw_sp_lag_col_port_add(struct mlxsw_sp_port *mlxsw_sp_port,
u16 lag_id, u8 port_index)
{
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
char slcor_pl[MLXSW_REG_SLCOR_LEN];
mlxsw_reg_slcor_port_add_pack(slcor_pl, mlxsw_sp_port->local_port,
lag_id, port_index);
return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(slcor), slcor_pl);
}
static int mlxsw_sp_lag_col_port_remove(struct mlxsw_sp_port *mlxsw_sp_port,
u16 lag_id)
{
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
char slcor_pl[MLXSW_REG_SLCOR_LEN];
mlxsw_reg_slcor_port_remove_pack(slcor_pl, mlxsw_sp_port->local_port,
lag_id);
return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(slcor), slcor_pl);
}
static int mlxsw_sp_lag_col_port_enable(struct mlxsw_sp_port *mlxsw_sp_port,
u16 lag_id)
{
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
char slcor_pl[MLXSW_REG_SLCOR_LEN];
mlxsw_reg_slcor_col_enable_pack(slcor_pl, mlxsw_sp_port->local_port,
lag_id);
return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(slcor), slcor_pl);
}
static int mlxsw_sp_lag_col_port_disable(struct mlxsw_sp_port *mlxsw_sp_port,
u16 lag_id)
{
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
char slcor_pl[MLXSW_REG_SLCOR_LEN];
mlxsw_reg_slcor_col_disable_pack(slcor_pl, mlxsw_sp_port->local_port,
lag_id);
return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(slcor), slcor_pl);
}
static int mlxsw_sp_lag_index_get(struct mlxsw_sp *mlxsw_sp,
struct net_device *lag_dev,
u16 *p_lag_id)
{
struct mlxsw_sp_upper *lag;
int free_lag_id = -1;
u64 max_lag;
int i;
max_lag = MLXSW_CORE_RES_GET(mlxsw_sp->core, MAX_LAG);
for (i = 0; i < max_lag; i++) {
lag = mlxsw_sp_lag_get(mlxsw_sp, i);
if (lag->ref_count) {
if (lag->dev == lag_dev) {
*p_lag_id = i;
return 0;
}
} else if (free_lag_id < 0) {
free_lag_id = i;
}
}
if (free_lag_id < 0)
return -EBUSY;
*p_lag_id = free_lag_id;
return 0;
}
static bool
mlxsw_sp_master_lag_check(struct mlxsw_sp *mlxsw_sp,
struct net_device *lag_dev,
struct netdev_lag_upper_info *lag_upper_info,
struct netlink_ext_ack *extack)
{
u16 lag_id;
if (mlxsw_sp_lag_index_get(mlxsw_sp, lag_dev, &lag_id) != 0) {
NL_SET_ERR_MSG_MOD(extack, "Exceeded number of supported LAG devices");
return false;
}
if (lag_upper_info->tx_type != NETDEV_LAG_TX_TYPE_HASH) {
NL_SET_ERR_MSG_MOD(extack, "LAG device using unsupported Tx type");
return false;
}
return true;
}
static int mlxsw_sp_port_lag_index_get(struct mlxsw_sp *mlxsw_sp,
u16 lag_id, u8 *p_port_index)
{
u64 max_lag_members;
int i;
max_lag_members = MLXSW_CORE_RES_GET(mlxsw_sp->core,
MAX_LAG_MEMBERS);
for (i = 0; i < max_lag_members; i++) {
if (!mlxsw_sp_port_lagged_get(mlxsw_sp, lag_id, i)) {
*p_port_index = i;
return 0;
}
}
return -EBUSY;
}
static int mlxsw_sp_port_lag_join(struct mlxsw_sp_port *mlxsw_sp_port,
struct net_device *lag_dev)
{
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
struct mlxsw_sp_upper *lag;
u16 lag_id;
u8 port_index;
int err;
err = mlxsw_sp_lag_index_get(mlxsw_sp, lag_dev, &lag_id);
if (err)
return err;
lag = mlxsw_sp_lag_get(mlxsw_sp, lag_id);
if (!lag->ref_count) {
err = mlxsw_sp_lag_create(mlxsw_sp, lag_id);
if (err)
return err;
lag->dev = lag_dev;
}
err = mlxsw_sp_port_lag_index_get(mlxsw_sp, lag_id, &port_index);
if (err)
return err;
err = mlxsw_sp_lag_col_port_add(mlxsw_sp_port, lag_id, port_index);
if (err)
goto err_col_port_add;
mlxsw_core_lag_mapping_set(mlxsw_sp->core, lag_id, port_index,
mlxsw_sp_port->local_port);
mlxsw_sp_port->lag_id = lag_id;
mlxsw_sp_port->lagged = 1;
lag->ref_count++;
/* Port is no longer usable as a router interface */
if (mlxsw_sp_port->default_vlan->fid)
mlxsw_sp_port_vlan_router_leave(mlxsw_sp_port->default_vlan);
return 0;
err_col_port_add:
if (!lag->ref_count)
mlxsw_sp_lag_destroy(mlxsw_sp, lag_id);
return err;
}
static void mlxsw_sp_port_lag_leave(struct mlxsw_sp_port *mlxsw_sp_port,
struct net_device *lag_dev)
{
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
u16 lag_id = mlxsw_sp_port->lag_id;
struct mlxsw_sp_upper *lag;
if (!mlxsw_sp_port->lagged)
return;
lag = mlxsw_sp_lag_get(mlxsw_sp, lag_id);
WARN_ON(lag->ref_count == 0);
mlxsw_sp_lag_col_port_remove(mlxsw_sp_port, lag_id);
/* Any VLANs configured on the port are no longer valid */
mlxsw_sp_port_vlan_flush(mlxsw_sp_port, false);
mlxsw_sp_port_vlan_cleanup(mlxsw_sp_port->default_vlan);
/* Make the LAG and its directly linked uppers leave bridges they
* are memeber in
*/
mlxsw_sp_port_lag_uppers_cleanup(mlxsw_sp_port, lag_dev);
if (lag->ref_count == 1)
mlxsw_sp_lag_destroy(mlxsw_sp, lag_id);
mlxsw_core_lag_mapping_clear(mlxsw_sp->core, lag_id,
mlxsw_sp_port->local_port);
mlxsw_sp_port->lagged = 0;
lag->ref_count--;
/* Make sure untagged frames are allowed to ingress */
mlxsw_sp_port_pvid_set(mlxsw_sp_port, MLXSW_SP_DEFAULT_VID);
}
static int mlxsw_sp_lag_dist_port_add(struct mlxsw_sp_port *mlxsw_sp_port,
u16 lag_id)
{
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
char sldr_pl[MLXSW_REG_SLDR_LEN];
mlxsw_reg_sldr_lag_add_port_pack(sldr_pl, lag_id,
mlxsw_sp_port->local_port);
return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sldr), sldr_pl);
}
static int mlxsw_sp_lag_dist_port_remove(struct mlxsw_sp_port *mlxsw_sp_port,
u16 lag_id)
{
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
char sldr_pl[MLXSW_REG_SLDR_LEN];
mlxsw_reg_sldr_lag_remove_port_pack(sldr_pl, lag_id,
mlxsw_sp_port->local_port);
return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sldr), sldr_pl);
}
static int
mlxsw_sp_port_lag_col_dist_enable(struct mlxsw_sp_port *mlxsw_sp_port)
{
int err;
err = mlxsw_sp_lag_col_port_enable(mlxsw_sp_port,
mlxsw_sp_port->lag_id);
if (err)
return err;
err = mlxsw_sp_lag_dist_port_add(mlxsw_sp_port, mlxsw_sp_port->lag_id);
if (err)
goto err_dist_port_add;
return 0;
err_dist_port_add:
mlxsw_sp_lag_col_port_disable(mlxsw_sp_port, mlxsw_sp_port->lag_id);
return err;
}
static int
mlxsw_sp_port_lag_col_dist_disable(struct mlxsw_sp_port *mlxsw_sp_port)
{
int err;
err = mlxsw_sp_lag_dist_port_remove(mlxsw_sp_port,
mlxsw_sp_port->lag_id);
if (err)
return err;
err = mlxsw_sp_lag_col_port_disable(mlxsw_sp_port,
mlxsw_sp_port->lag_id);
if (err)
goto err_col_port_disable;
return 0;
err_col_port_disable:
mlxsw_sp_lag_dist_port_add(mlxsw_sp_port, mlxsw_sp_port->lag_id);
return err;
}
static int mlxsw_sp_port_lag_changed(struct mlxsw_sp_port *mlxsw_sp_port,
struct netdev_lag_lower_state_info *info)
{
if (info->tx_enabled)
return mlxsw_sp_port_lag_col_dist_enable(mlxsw_sp_port);
else
return mlxsw_sp_port_lag_col_dist_disable(mlxsw_sp_port);
}
static int mlxsw_sp_port_stp_set(struct mlxsw_sp_port *mlxsw_sp_port,
bool enable)
{
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
enum mlxsw_reg_spms_state spms_state;
char *spms_pl;
u16 vid;
int err;
spms_state = enable ? MLXSW_REG_SPMS_STATE_FORWARDING :
MLXSW_REG_SPMS_STATE_DISCARDING;
spms_pl = kmalloc(MLXSW_REG_SPMS_LEN, GFP_KERNEL);
if (!spms_pl)
return -ENOMEM;
mlxsw_reg_spms_pack(spms_pl, mlxsw_sp_port->local_port);
for (vid = 0; vid < VLAN_N_VID; vid++)
mlxsw_reg_spms_vid_pack(spms_pl, vid, spms_state);
err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(spms), spms_pl);
kfree(spms_pl);
return err;
}
static int mlxsw_sp_port_ovs_join(struct mlxsw_sp_port *mlxsw_sp_port)
{
u16 vid = 1;
int err;
err = mlxsw_sp_port_vp_mode_set(mlxsw_sp_port, true);
if (err)
return err;
err = mlxsw_sp_port_stp_set(mlxsw_sp_port, true);
if (err)
goto err_port_stp_set;
err = mlxsw_sp_port_vlan_set(mlxsw_sp_port, 1, VLAN_N_VID - 2,
true, false);
if (err)
goto err_port_vlan_set;
for (; vid <= VLAN_N_VID - 1; vid++) {
err = mlxsw_sp_port_vid_learning_set(mlxsw_sp_port,
vid, false);
if (err)
goto err_vid_learning_set;
}
return 0;
err_vid_learning_set:
for (vid--; vid >= 1; vid--)
mlxsw_sp_port_vid_learning_set(mlxsw_sp_port, vid, true);
err_port_vlan_set:
mlxsw_sp_port_stp_set(mlxsw_sp_port, false);
err_port_stp_set:
mlxsw_sp_port_vp_mode_set(mlxsw_sp_port, false);
return err;
}
static void mlxsw_sp_port_ovs_leave(struct mlxsw_sp_port *mlxsw_sp_port)
{
u16 vid;
for (vid = VLAN_N_VID - 1; vid >= 1; vid--)
mlxsw_sp_port_vid_learning_set(mlxsw_sp_port,
vid, true);
mlxsw_sp_port_vlan_set(mlxsw_sp_port, 1, VLAN_N_VID - 2,
false, false);
mlxsw_sp_port_stp_set(mlxsw_sp_port, false);
mlxsw_sp_port_vp_mode_set(mlxsw_sp_port, false);
}
static bool mlxsw_sp_bridge_has_multiple_vxlans(struct net_device *br_dev)
{
unsigned int num_vxlans = 0;
struct net_device *dev;
struct list_head *iter;
netdev_for_each_lower_dev(br_dev, dev, iter) {
if (netif_is_vxlan(dev))
num_vxlans++;
}
return num_vxlans > 1;
}
static bool mlxsw_sp_bridge_vxlan_vlan_is_valid(struct net_device *br_dev)
{
DECLARE_BITMAP(vlans, VLAN_N_VID) = {0};
struct net_device *dev;
struct list_head *iter;
netdev_for_each_lower_dev(br_dev, dev, iter) {
u16 pvid;
int err;
if (!netif_is_vxlan(dev))
continue;
err = mlxsw_sp_vxlan_mapped_vid(dev, &pvid);
if (err || !pvid)
continue;
if (test_and_set_bit(pvid, vlans))
return false;
}
return true;
}
static bool mlxsw_sp_bridge_vxlan_is_valid(struct net_device *br_dev,
struct netlink_ext_ack *extack)
{
if (br_multicast_enabled(br_dev)) {
NL_SET_ERR_MSG_MOD(extack, "Multicast can not be enabled on a bridge with a VxLAN device");
return false;
}
if (!br_vlan_enabled(br_dev) &&
mlxsw_sp_bridge_has_multiple_vxlans(br_dev)) {
NL_SET_ERR_MSG_MOD(extack, "Multiple VxLAN devices are not supported in a VLAN-unaware bridge");
return false;
}
if (br_vlan_enabled(br_dev) &&
!mlxsw_sp_bridge_vxlan_vlan_is_valid(br_dev)) {
NL_SET_ERR_MSG_MOD(extack, "Multiple VxLAN devices cannot have the same VLAN as PVID and egress untagged");
return false;
}
return true;
}
static int mlxsw_sp_netdevice_port_upper_event(struct net_device *lower_dev,
struct net_device *dev,
unsigned long event, void *ptr)
{
struct netdev_notifier_changeupper_info *info;
struct mlxsw_sp_port *mlxsw_sp_port;
struct netlink_ext_ack *extack;
struct net_device *upper_dev;
struct mlxsw_sp *mlxsw_sp;
int err = 0;
mlxsw_sp_port = netdev_priv(dev);
mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
info = ptr;
extack = netdev_notifier_info_to_extack(&info->info);
switch (event) {
case NETDEV_PRECHANGEUPPER:
upper_dev = info->upper_dev;
if (!is_vlan_dev(upper_dev) &&
!netif_is_lag_master(upper_dev) &&
!netif_is_bridge_master(upper_dev) &&
!netif_is_ovs_master(upper_dev) &&
!netif_is_macvlan(upper_dev)) {
NL_SET_ERR_MSG_MOD(extack, "Unknown upper device type");
return -EINVAL;
}
if (!info->linking)
break;
if (netif_is_bridge_master(upper_dev) &&
!mlxsw_sp_bridge_device_is_offloaded(mlxsw_sp, upper_dev) &&
mlxsw_sp_bridge_has_vxlan(upper_dev) &&
!mlxsw_sp_bridge_vxlan_is_valid(upper_dev, extack))
return -EOPNOTSUPP;
if (netdev_has_any_upper_dev(upper_dev) &&
(!netif_is_bridge_master(upper_dev) ||
!mlxsw_sp_bridge_device_is_offloaded(mlxsw_sp,
upper_dev))) {
NL_SET_ERR_MSG_MOD(extack, "Enslaving a port to a device that already has an upper device is not supported");
return -EINVAL;
}
if (netif_is_lag_master(upper_dev) &&
!mlxsw_sp_master_lag_check(mlxsw_sp, upper_dev,
info->upper_info, extack))
return -EINVAL;
if (netif_is_lag_master(upper_dev) && vlan_uses_dev(dev)) {
NL_SET_ERR_MSG_MOD(extack, "Master device is a LAG master and this device has a VLAN");
return -EINVAL;
}
if (netif_is_lag_port(dev) && is_vlan_dev(upper_dev) &&
!netif_is_lag_master(vlan_dev_real_dev(upper_dev))) {
NL_SET_ERR_MSG_MOD(extack, "Can not put a VLAN on a LAG port");
return -EINVAL;
}
if (netif_is_macvlan(upper_dev) &&
!mlxsw_sp_rif_find_by_dev(mlxsw_sp, lower_dev)) {
NL_SET_ERR_MSG_MOD(extack, "macvlan is only supported on top of router interfaces");
return -EOPNOTSUPP;
}
if (netif_is_ovs_master(upper_dev) && vlan_uses_dev(dev)) {
NL_SET_ERR_MSG_MOD(extack, "Master device is an OVS master and this device has a VLAN");
return -EINVAL;
}
if (netif_is_ovs_port(dev) && is_vlan_dev(upper_dev)) {
NL_SET_ERR_MSG_MOD(extack, "Can not put a VLAN on an OVS port");
return -EINVAL;
}
break;
case NETDEV_CHANGEUPPER:
upper_dev = info->upper_dev;
if (netif_is_bridge_master(upper_dev)) {
if (info->linking)
err = mlxsw_sp_port_bridge_join(mlxsw_sp_port,
lower_dev,
upper_dev,
extack);
else
mlxsw_sp_port_bridge_leave(mlxsw_sp_port,
lower_dev,
upper_dev);
} else if (netif_is_lag_master(upper_dev)) {
if (info->linking) {
err = mlxsw_sp_port_lag_join(mlxsw_sp_port,
upper_dev);
} else {
mlxsw_sp_port_lag_col_dist_disable(mlxsw_sp_port);
mlxsw_sp_port_lag_leave(mlxsw_sp_port,
upper_dev);
}
} else if (netif_is_ovs_master(upper_dev)) {
if (info->linking)
err = mlxsw_sp_port_ovs_join(mlxsw_sp_port);
else
mlxsw_sp_port_ovs_leave(mlxsw_sp_port);
} else if (netif_is_macvlan(upper_dev)) {
if (!info->linking)
mlxsw_sp_rif_macvlan_del(mlxsw_sp, upper_dev);
} else if (is_vlan_dev(upper_dev)) {
struct net_device *br_dev;
if (!netif_is_bridge_port(upper_dev))
break;
if (info->linking)
break;
br_dev = netdev_master_upper_dev_get(upper_dev);
mlxsw_sp_port_bridge_leave(mlxsw_sp_port, upper_dev,
br_dev);
}
break;
}
return err;
}
static int mlxsw_sp_netdevice_port_lower_event(struct net_device *dev,
unsigned long event, void *ptr)
{
struct netdev_notifier_changelowerstate_info *info;
struct mlxsw_sp_port *mlxsw_sp_port;
int err;
mlxsw_sp_port = netdev_priv(dev);
info = ptr;
switch (event) {
case NETDEV_CHANGELOWERSTATE:
if (netif_is_lag_port(dev) && mlxsw_sp_port->lagged) {
err = mlxsw_sp_port_lag_changed(mlxsw_sp_port,
info->lower_state_info);
if (err)
netdev_err(dev, "Failed to reflect link aggregation lower state change\n");
}
break;
}
return 0;
}
static int mlxsw_sp_netdevice_port_event(struct net_device *lower_dev,
struct net_device *port_dev,
unsigned long event, void *ptr)
{
switch (event) {
case NETDEV_PRECHANGEUPPER:
case NETDEV_CHANGEUPPER:
return mlxsw_sp_netdevice_port_upper_event(lower_dev, port_dev,
event, ptr);
case NETDEV_CHANGELOWERSTATE:
return mlxsw_sp_netdevice_port_lower_event(port_dev, event,
ptr);
}
return 0;
}
static int mlxsw_sp_netdevice_lag_event(struct net_device *lag_dev,
unsigned long event, void *ptr)
{
struct net_device *dev;
struct list_head *iter;
int ret;
netdev_for_each_lower_dev(lag_dev, dev, iter) {
if (mlxsw_sp_port_dev_check(dev)) {
ret = mlxsw_sp_netdevice_port_event(lag_dev, dev, event,
ptr);
if (ret)
return ret;
}
}
return 0;
}
static int mlxsw_sp_netdevice_port_vlan_event(struct net_device *vlan_dev,
struct net_device *dev,
unsigned long event, void *ptr,
u16 vid)
{
struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
struct netdev_notifier_changeupper_info *info = ptr;
struct netlink_ext_ack *extack;
struct net_device *upper_dev;
int err = 0;
extack = netdev_notifier_info_to_extack(&info->info);
switch (event) {
case NETDEV_PRECHANGEUPPER:
upper_dev = info->upper_dev;
if (!netif_is_bridge_master(upper_dev) &&
!netif_is_macvlan(upper_dev)) {
NL_SET_ERR_MSG_MOD(extack, "Unknown upper device type");
return -EINVAL;
}
if (!info->linking)
break;
if (netif_is_bridge_master(upper_dev) &&
!mlxsw_sp_bridge_device_is_offloaded(mlxsw_sp, upper_dev) &&
mlxsw_sp_bridge_has_vxlan(upper_dev) &&
!mlxsw_sp_bridge_vxlan_is_valid(upper_dev, extack))
return -EOPNOTSUPP;
if (netdev_has_any_upper_dev(upper_dev) &&
(!netif_is_bridge_master(upper_dev) ||
!mlxsw_sp_bridge_device_is_offloaded(mlxsw_sp,
upper_dev))) {
NL_SET_ERR_MSG_MOD(extack, "Enslaving a port to a device that already has an upper device is not supported");
return -EINVAL;
}
if (netif_is_macvlan(upper_dev) &&
!mlxsw_sp_rif_find_by_dev(mlxsw_sp, vlan_dev)) {
NL_SET_ERR_MSG_MOD(extack, "macvlan is only supported on top of router interfaces");
return -EOPNOTSUPP;
}
break;
case NETDEV_CHANGEUPPER:
upper_dev = info->upper_dev;
if (netif_is_bridge_master(upper_dev)) {
if (info->linking)
err = mlxsw_sp_port_bridge_join(mlxsw_sp_port,
vlan_dev,
upper_dev,
extack);
else
mlxsw_sp_port_bridge_leave(mlxsw_sp_port,
vlan_dev,
upper_dev);
} else if (netif_is_macvlan(upper_dev)) {
if (!info->linking)
mlxsw_sp_rif_macvlan_del(mlxsw_sp, upper_dev);
} else {
err = -EINVAL;
WARN_ON(1);
}
break;
}
return err;
}
static int mlxsw_sp_netdevice_lag_port_vlan_event(struct net_device *vlan_dev,
struct net_device *lag_dev,
unsigned long event,
void *ptr, u16 vid)
{
struct net_device *dev;
struct list_head *iter;
int ret;
netdev_for_each_lower_dev(lag_dev, dev, iter) {
if (mlxsw_sp_port_dev_check(dev)) {
ret = mlxsw_sp_netdevice_port_vlan_event(vlan_dev, dev,
event, ptr,
vid);
if (ret)
return ret;
}
}
return 0;
}
static int mlxsw_sp_netdevice_bridge_vlan_event(struct net_device *vlan_dev,
struct net_device *br_dev,
unsigned long event, void *ptr,
u16 vid)
{
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_lower_get(vlan_dev);
struct netdev_notifier_changeupper_info *info = ptr;
struct netlink_ext_ack *extack;
struct net_device *upper_dev;
if (!mlxsw_sp)
return 0;
extack = netdev_notifier_info_to_extack(&info->info);
switch (event) {
case NETDEV_PRECHANGEUPPER:
upper_dev = info->upper_dev;
if (!netif_is_macvlan(upper_dev)) {
NL_SET_ERR_MSG_MOD(extack, "Unknown upper device type");
return -EOPNOTSUPP;
}
if (!info->linking)
break;
if (netif_is_macvlan(upper_dev) &&
!mlxsw_sp_rif_find_by_dev(mlxsw_sp, vlan_dev)) {
NL_SET_ERR_MSG_MOD(extack, "macvlan is only supported on top of router interfaces");
return -EOPNOTSUPP;
}
break;
case NETDEV_CHANGEUPPER:
upper_dev = info->upper_dev;
if (info->linking)
break;
if (netif_is_macvlan(upper_dev))
mlxsw_sp_rif_macvlan_del(mlxsw_sp, upper_dev);
break;
}
return 0;
}
static int mlxsw_sp_netdevice_vlan_event(struct net_device *vlan_dev,
unsigned long event, void *ptr)
{
struct net_device *real_dev = vlan_dev_real_dev(vlan_dev);
u16 vid = vlan_dev_vlan_id(vlan_dev);
if (mlxsw_sp_port_dev_check(real_dev))
return mlxsw_sp_netdevice_port_vlan_event(vlan_dev, real_dev,
event, ptr, vid);
else if (netif_is_lag_master(real_dev))
return mlxsw_sp_netdevice_lag_port_vlan_event(vlan_dev,
real_dev, event,
ptr, vid);
else if (netif_is_bridge_master(real_dev))
return mlxsw_sp_netdevice_bridge_vlan_event(vlan_dev, real_dev,
event, ptr, vid);
return 0;
}
static int mlxsw_sp_netdevice_bridge_event(struct net_device *br_dev,
unsigned long event, void *ptr)
{
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_lower_get(br_dev);
struct netdev_notifier_changeupper_info *info = ptr;
struct netlink_ext_ack *extack;
struct net_device *upper_dev;
if (!mlxsw_sp)
return 0;
extack = netdev_notifier_info_to_extack(&info->info);
switch (event) {
case NETDEV_PRECHANGEUPPER:
upper_dev = info->upper_dev;
if (!is_vlan_dev(upper_dev) && !netif_is_macvlan(upper_dev)) {
NL_SET_ERR_MSG_MOD(extack, "Unknown upper device type");
return -EOPNOTSUPP;
}
if (!info->linking)
break;
if (netif_is_macvlan(upper_dev) &&
!mlxsw_sp_rif_find_by_dev(mlxsw_sp, br_dev)) {
NL_SET_ERR_MSG_MOD(extack, "macvlan is only supported on top of router interfaces");
return -EOPNOTSUPP;
}
break;
case NETDEV_CHANGEUPPER:
upper_dev = info->upper_dev;
if (info->linking)
break;
if (is_vlan_dev(upper_dev))
mlxsw_sp_rif_destroy_by_dev(mlxsw_sp, upper_dev);
if (netif_is_macvlan(upper_dev))
mlxsw_sp_rif_macvlan_del(mlxsw_sp, upper_dev);
break;
}
return 0;
}
static int mlxsw_sp_netdevice_macvlan_event(struct net_device *macvlan_dev,
unsigned long event, void *ptr)
{
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_lower_get(macvlan_dev);
struct netdev_notifier_changeupper_info *info = ptr;
struct netlink_ext_ack *extack;
if (!mlxsw_sp || event != NETDEV_PRECHANGEUPPER)
return 0;
extack = netdev_notifier_info_to_extack(&info->info);
/* VRF enslavement is handled in mlxsw_sp_netdevice_vrf_event() */
NL_SET_ERR_MSG_MOD(extack, "Unknown upper device type");
return -EOPNOTSUPP;
}
static bool mlxsw_sp_is_vrf_event(unsigned long event, void *ptr)
{
struct netdev_notifier_changeupper_info *info = ptr;
if (event != NETDEV_PRECHANGEUPPER && event != NETDEV_CHANGEUPPER)
return false;
return netif_is_l3_master(info->upper_dev);
}
static int mlxsw_sp_netdevice_vxlan_event(struct mlxsw_sp *mlxsw_sp,
struct net_device *dev,
unsigned long event, void *ptr)
{
struct netdev_notifier_changeupper_info *cu_info;
struct netdev_notifier_info *info = ptr;
struct netlink_ext_ack *extack;
struct net_device *upper_dev;
extack = netdev_notifier_info_to_extack(info);
switch (event) {
case NETDEV_CHANGEUPPER:
cu_info = container_of(info,
struct netdev_notifier_changeupper_info,
info);
upper_dev = cu_info->upper_dev;
if (!netif_is_bridge_master(upper_dev))
return 0;
if (!mlxsw_sp_lower_get(upper_dev))
return 0;
if (!mlxsw_sp_bridge_vxlan_is_valid(upper_dev, extack))
return -EOPNOTSUPP;
if (cu_info->linking) {
if (!netif_running(dev))
return 0;
/* When the bridge is VLAN-aware, the VNI of the VxLAN
* device needs to be mapped to a VLAN, but at this
* point no VLANs are configured on the VxLAN device
*/
if (br_vlan_enabled(upper_dev))
return 0;
return mlxsw_sp_bridge_vxlan_join(mlxsw_sp, upper_dev,
dev, 0, extack);
} else {
/* VLANs were already flushed, which triggered the
* necessary cleanup
*/
if (br_vlan_enabled(upper_dev))
return 0;
mlxsw_sp_bridge_vxlan_leave(mlxsw_sp, dev);
}
break;
case NETDEV_PRE_UP:
upper_dev = netdev_master_upper_dev_get(dev);
if (!upper_dev)
return 0;
if (!netif_is_bridge_master(upper_dev))
return 0;
if (!mlxsw_sp_lower_get(upper_dev))
return 0;
return mlxsw_sp_bridge_vxlan_join(mlxsw_sp, upper_dev, dev, 0,
extack);
case NETDEV_DOWN:
upper_dev = netdev_master_upper_dev_get(dev);
if (!upper_dev)
return 0;
if (!netif_is_bridge_master(upper_dev))
return 0;
if (!mlxsw_sp_lower_get(upper_dev))
return 0;
mlxsw_sp_bridge_vxlan_leave(mlxsw_sp, dev);
break;
}
return 0;
}
static int mlxsw_sp_netdevice_event(struct notifier_block *nb,
unsigned long event, void *ptr)
{
struct net_device *dev = netdev_notifier_info_to_dev(ptr);
struct mlxsw_sp_span_entry *span_entry;
struct mlxsw_sp *mlxsw_sp;
int err = 0;
mlxsw_sp = container_of(nb, struct mlxsw_sp, netdevice_nb);
if (event == NETDEV_UNREGISTER) {
span_entry = mlxsw_sp_span_entry_find_by_port(mlxsw_sp, dev);
if (span_entry)
mlxsw_sp_span_entry_invalidate(mlxsw_sp, span_entry);
}
mlxsw_sp_span_respin(mlxsw_sp);
if (netif_is_vxlan(dev))
err = mlxsw_sp_netdevice_vxlan_event(mlxsw_sp, dev, event, ptr);
if (mlxsw_sp_netdev_is_ipip_ol(mlxsw_sp, dev))
err = mlxsw_sp_netdevice_ipip_ol_event(mlxsw_sp, dev,
event, ptr);
else if (mlxsw_sp_netdev_is_ipip_ul(mlxsw_sp, dev))
err = mlxsw_sp_netdevice_ipip_ul_event(mlxsw_sp, dev,
event, ptr);
else if (event == NETDEV_PRE_CHANGEADDR ||
event == NETDEV_CHANGEADDR ||
event == NETDEV_CHANGEMTU)
err = mlxsw_sp_netdevice_router_port_event(dev, event, ptr);
else if (mlxsw_sp_is_vrf_event(event, ptr))
err = mlxsw_sp_netdevice_vrf_event(dev, event, ptr);
else if (mlxsw_sp_port_dev_check(dev))
err = mlxsw_sp_netdevice_port_event(dev, dev, event, ptr);
else if (netif_is_lag_master(dev))
err = mlxsw_sp_netdevice_lag_event(dev, event, ptr);
else if (is_vlan_dev(dev))
err = mlxsw_sp_netdevice_vlan_event(dev, event, ptr);
else if (netif_is_bridge_master(dev))
err = mlxsw_sp_netdevice_bridge_event(dev, event, ptr);
else if (netif_is_macvlan(dev))
err = mlxsw_sp_netdevice_macvlan_event(dev, event, ptr);
return notifier_from_errno(err);
}
static struct notifier_block mlxsw_sp_inetaddr_valid_nb __read_mostly = {
.notifier_call = mlxsw_sp_inetaddr_valid_event,
};
static struct notifier_block mlxsw_sp_inet6addr_valid_nb __read_mostly = {
.notifier_call = mlxsw_sp_inet6addr_valid_event,
};
static const struct pci_device_id mlxsw_sp1_pci_id_table[] = {
{PCI_VDEVICE(MELLANOX, PCI_DEVICE_ID_MELLANOX_SPECTRUM), 0},
{0, },
};
static struct pci_driver mlxsw_sp1_pci_driver = {
.name = mlxsw_sp1_driver_name,
.id_table = mlxsw_sp1_pci_id_table,
};
static const struct pci_device_id mlxsw_sp2_pci_id_table[] = {
{PCI_VDEVICE(MELLANOX, PCI_DEVICE_ID_MELLANOX_SPECTRUM2), 0},
{0, },
};
static struct pci_driver mlxsw_sp2_pci_driver = {
.name = mlxsw_sp2_driver_name,
.id_table = mlxsw_sp2_pci_id_table,
};
static const struct pci_device_id mlxsw_sp3_pci_id_table[] = {
{PCI_VDEVICE(MELLANOX, PCI_DEVICE_ID_MELLANOX_SPECTRUM3), 0},
{0, },
};
static struct pci_driver mlxsw_sp3_pci_driver = {
.name = mlxsw_sp3_driver_name,
.id_table = mlxsw_sp3_pci_id_table,
};
static int __init mlxsw_sp_module_init(void)
{
int err;
register_inetaddr_validator_notifier(&mlxsw_sp_inetaddr_valid_nb);
register_inet6addr_validator_notifier(&mlxsw_sp_inet6addr_valid_nb);
err = mlxsw_core_driver_register(&mlxsw_sp1_driver);
if (err)
goto err_sp1_core_driver_register;
err = mlxsw_core_driver_register(&mlxsw_sp2_driver);
if (err)
goto err_sp2_core_driver_register;
err = mlxsw_core_driver_register(&mlxsw_sp3_driver);
if (err)
goto err_sp3_core_driver_register;
err = mlxsw_pci_driver_register(&mlxsw_sp1_pci_driver);
if (err)
goto err_sp1_pci_driver_register;
err = mlxsw_pci_driver_register(&mlxsw_sp2_pci_driver);
if (err)
goto err_sp2_pci_driver_register;
err = mlxsw_pci_driver_register(&mlxsw_sp3_pci_driver);
if (err)
goto err_sp3_pci_driver_register;
return 0;
err_sp3_pci_driver_register:
mlxsw_pci_driver_unregister(&mlxsw_sp2_pci_driver);
err_sp2_pci_driver_register:
mlxsw_pci_driver_unregister(&mlxsw_sp1_pci_driver);
err_sp1_pci_driver_register:
mlxsw_core_driver_unregister(&mlxsw_sp3_driver);
err_sp3_core_driver_register:
mlxsw_core_driver_unregister(&mlxsw_sp2_driver);
err_sp2_core_driver_register:
mlxsw_core_driver_unregister(&mlxsw_sp1_driver);
err_sp1_core_driver_register:
unregister_inet6addr_validator_notifier(&mlxsw_sp_inet6addr_valid_nb);
unregister_inetaddr_validator_notifier(&mlxsw_sp_inetaddr_valid_nb);
return err;
}
static void __exit mlxsw_sp_module_exit(void)
{
mlxsw_pci_driver_unregister(&mlxsw_sp3_pci_driver);
mlxsw_pci_driver_unregister(&mlxsw_sp2_pci_driver);
mlxsw_pci_driver_unregister(&mlxsw_sp1_pci_driver);
mlxsw_core_driver_unregister(&mlxsw_sp3_driver);
mlxsw_core_driver_unregister(&mlxsw_sp2_driver);
mlxsw_core_driver_unregister(&mlxsw_sp1_driver);
unregister_inet6addr_validator_notifier(&mlxsw_sp_inet6addr_valid_nb);
unregister_inetaddr_validator_notifier(&mlxsw_sp_inetaddr_valid_nb);
}
module_init(mlxsw_sp_module_init);
module_exit(mlxsw_sp_module_exit);
MODULE_LICENSE("Dual BSD/GPL");
MODULE_AUTHOR("Jiri Pirko <jiri@mellanox.com>");
MODULE_DESCRIPTION("Mellanox Spectrum driver");
MODULE_DEVICE_TABLE(pci, mlxsw_sp1_pci_id_table);
MODULE_DEVICE_TABLE(pci, mlxsw_sp2_pci_id_table);
MODULE_DEVICE_TABLE(pci, mlxsw_sp3_pci_id_table);
MODULE_FIRMWARE(MLXSW_SP1_FW_FILENAME);
MODULE_FIRMWARE(MLXSW_SP2_FW_FILENAME);