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/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) */
/* QLogic qed NIC Driver
* Copyright (c) 2015-2017 QLogic Corporation
* Copyright (c) 2019-2020 Marvell International Ltd.
*/
#ifndef _QED_L2_H
#define _QED_L2_H
#include <linux/types.h>
#include <linux/io.h>
#include <linux/kernel.h>
#include <linux/slab.h>
#include <linux/qed/qed_eth_if.h>
#include "qed.h"
#include "qed_hw.h"
#include "qed_sp.h"
struct qed_rss_params {
u8 update_rss_config;
u8 rss_enable;
u8 rss_eng_id;
u8 update_rss_capabilities;
u8 update_rss_ind_table;
u8 update_rss_key;
u8 rss_caps;
u8 rss_table_size_log;
/* Indirection table consist of rx queue handles */
void *rss_ind_table[QED_RSS_IND_TABLE_SIZE];
u32 rss_key[QED_RSS_KEY_SIZE];
};
struct qed_sge_tpa_params {
u8 max_buffers_per_cqe;
u8 update_tpa_en_flg;
u8 tpa_ipv4_en_flg;
u8 tpa_ipv6_en_flg;
u8 tpa_ipv4_tunn_en_flg;
u8 tpa_ipv6_tunn_en_flg;
u8 update_tpa_param_flg;
u8 tpa_pkt_split_flg;
u8 tpa_hdr_data_split_flg;
u8 tpa_gro_consistent_flg;
u8 tpa_max_aggs_num;
u16 tpa_max_size;
u16 tpa_min_size_to_start;
u16 tpa_min_size_to_cont;
};
enum qed_filter_opcode {
QED_FILTER_ADD,
QED_FILTER_REMOVE,
QED_FILTER_MOVE,
QED_FILTER_REPLACE, /* Delete all MACs and add new one instead */
QED_FILTER_FLUSH, /* Removes all filters */
};
enum qed_filter_ucast_type {
QED_FILTER_MAC,
QED_FILTER_VLAN,
QED_FILTER_MAC_VLAN,
QED_FILTER_INNER_MAC,
QED_FILTER_INNER_VLAN,
QED_FILTER_INNER_PAIR,
QED_FILTER_INNER_MAC_VNI_PAIR,
QED_FILTER_MAC_VNI_PAIR,
QED_FILTER_VNI,
};
struct qed_filter_ucast {
enum qed_filter_opcode opcode;
enum qed_filter_ucast_type type;
u8 is_rx_filter;
u8 is_tx_filter;
u8 vport_to_add_to;
u8 vport_to_remove_from;
unsigned char mac[ETH_ALEN];
u8 assert_on_error;
u16 vlan;
u32 vni;
};
struct qed_filter_mcast {
/* MOVE is not supported for multicast */
enum qed_filter_opcode opcode;
u8 vport_to_add_to;
u8 vport_to_remove_from;
u8 num_mc_addrs;
#define QED_MAX_MC_ADDRS 64
unsigned char mac[QED_MAX_MC_ADDRS][ETH_ALEN];
};
/**
* qed_eth_rx_queue_stop(): This ramrod closes an Rx queue.
*
* @p_hwfn: HW device data.
* @p_rxq: Handler of queue to close
* @eq_completion_only: If True completion will be on
* EQe, if False completion will be
* on EQe if p_hwfn opaque
* different from the RXQ opaque
* otherwise on CQe.
* @cqe_completion: If True completion will be receive on CQe.
*
* Return: Int.
*/
int
qed_eth_rx_queue_stop(struct qed_hwfn *p_hwfn,
void *p_rxq,
bool eq_completion_only, bool cqe_completion);
/**
* qed_eth_tx_queue_stop(): Closes a Tx queue.
*
* @p_hwfn: HW device data.
* @p_txq: handle to Tx queue needed to be closed.
*
* Return: Int.
*/
int qed_eth_tx_queue_stop(struct qed_hwfn *p_hwfn, void *p_txq);
enum qed_tpa_mode {
QED_TPA_MODE_NONE,
QED_TPA_MODE_UNUSED,
QED_TPA_MODE_GRO,
QED_TPA_MODE_MAX
};
struct qed_sp_vport_start_params {
enum qed_tpa_mode tpa_mode;
bool remove_inner_vlan;
bool tx_switching;
bool handle_ptp_pkts;
bool only_untagged;
bool drop_ttl0;
u8 max_buffers_per_cqe;
u32 concrete_fid;
u16 opaque_fid;
u8 vport_id;
u16 mtu;
bool check_mac;
bool check_ethtype;
};
int qed_sp_eth_vport_start(struct qed_hwfn *p_hwfn,
struct qed_sp_vport_start_params *p_params);
struct qed_filter_accept_flags {
u8 update_rx_mode_config;
u8 update_tx_mode_config;
u8 rx_accept_filter;
u8 tx_accept_filter;
#define QED_ACCEPT_NONE 0x01
#define QED_ACCEPT_UCAST_MATCHED 0x02
#define QED_ACCEPT_UCAST_UNMATCHED 0x04
#define QED_ACCEPT_MCAST_MATCHED 0x08
#define QED_ACCEPT_MCAST_UNMATCHED 0x10
#define QED_ACCEPT_BCAST 0x20
#define QED_ACCEPT_ANY_VNI 0x40
};
struct qed_arfs_config_params {
bool tcp;
bool udp;
bool ipv4;
bool ipv6;
enum qed_filter_config_mode mode;
};
struct qed_sp_vport_update_params {
u16 opaque_fid;
u8 vport_id;
u8 update_vport_active_rx_flg;
u8 vport_active_rx_flg;
u8 update_vport_active_tx_flg;
u8 vport_active_tx_flg;
u8 update_inner_vlan_removal_flg;
u8 inner_vlan_removal_flg;
u8 silent_vlan_removal_flg;
u8 update_default_vlan_enable_flg;
u8 default_vlan_enable_flg;
u8 update_default_vlan_flg;
u16 default_vlan;
u8 update_tx_switching_flg;
u8 tx_switching_flg;
u8 update_approx_mcast_flg;
u8 update_anti_spoofing_en_flg;
u8 anti_spoofing_en;
u8 update_accept_any_vlan_flg;
u8 accept_any_vlan;
u32 bins[8];
struct qed_rss_params *rss_params;
struct qed_filter_accept_flags accept_flags;
struct qed_sge_tpa_params *sge_tpa_params;
u8 update_ctl_frame_check;
u8 mac_chk_en;
u8 ethtype_chk_en;
};
int qed_sp_vport_update(struct qed_hwfn *p_hwfn,
struct qed_sp_vport_update_params *p_params,
enum spq_mode comp_mode,
struct qed_spq_comp_cb *p_comp_data);
/**
* qed_sp_vport_stop: This ramrod closes a VPort after all its
* RX and TX queues are terminated.
* An Assert is generated if any queues are left open.
*
* @p_hwfn: HW device data.
* @opaque_fid: Opaque FID
* @vport_id: VPort ID.
*
* Return: Int.
*/
int qed_sp_vport_stop(struct qed_hwfn *p_hwfn, u16 opaque_fid, u8 vport_id);
int qed_sp_eth_filter_ucast(struct qed_hwfn *p_hwfn,
u16 opaque_fid,
struct qed_filter_ucast *p_filter_cmd,
enum spq_mode comp_mode,
struct qed_spq_comp_cb *p_comp_data);
/**
* qed_sp_eth_rx_queues_update(): This ramrod updates an RX queue.
* It is used for setting the active state
* of the queue and updating the TPA and
* SGE parameters.
* @p_hwfn: HW device data.
* @pp_rxq_handlers: An array of queue handlers to be updated.
* @num_rxqs: number of queues to update.
* @complete_cqe_flg: Post completion to the CQE Ring if set.
* @complete_event_flg: Post completion to the Event Ring if set.
* @comp_mode: Comp mode.
* @p_comp_data: Pointer Comp data.
*
* Return: Int.
*
* Note At the moment - only used by non-linux VFs.
*/
int
qed_sp_eth_rx_queues_update(struct qed_hwfn *p_hwfn,
void **pp_rxq_handlers,
u8 num_rxqs,
u8 complete_cqe_flg,
u8 complete_event_flg,
enum spq_mode comp_mode,
struct qed_spq_comp_cb *p_comp_data);
void qed_get_vport_stats(struct qed_dev *cdev, struct qed_eth_stats *stats);
void qed_reset_vport_stats(struct qed_dev *cdev);
/**
* qed_arfs_mode_configure(): Enable or disable rfs mode.
* It must accept at least one of tcp or udp true
* and at least one of ipv4 or ipv6 true to enable
* rfs mode.
*
* @p_hwfn: HW device data.
* @p_ptt: P_ptt.
* @p_cfg_params: arfs mode configuration parameters.
*
* Return. Void.
*/
void qed_arfs_mode_configure(struct qed_hwfn *p_hwfn,
struct qed_ptt *p_ptt,
struct qed_arfs_config_params *p_cfg_params);
/**
* qed_configure_rfs_ntuple_filter(): This ramrod should be used to add
* or remove arfs hw filter
*
* @p_hwfn: HW device data.
* @p_cb: Used for QED_SPQ_MODE_CB,where client would initialize
* it with cookie and callback function address, if not
* using this mode then client must pass NULL.
* @p_params: Pointer to params.
*
* Return: Void.
*/
int
qed_configure_rfs_ntuple_filter(struct qed_hwfn *p_hwfn,
struct qed_spq_comp_cb *p_cb,
struct qed_ntuple_filter_params *p_params);
#define MAX_QUEUES_PER_QZONE (sizeof(unsigned long) * 8)
#define QED_QUEUE_CID_SELF (0xff)
/* Almost identical to the qed_queue_start_common_params,
* but here we maintain the SB index in IGU CAM.
*/
struct qed_queue_cid_params {
u8 vport_id;
u16 queue_id;
u8 stats_id;
};
/* Additional parameters required for initialization of the queue_cid
* and are relevant only for a PF initializing one for its VFs.
*/
struct qed_queue_cid_vf_params {
/* Should match the VF's relative index */
u8 vfid;
/* 0-based queue index. Should reflect the relative qzone the
* VF thinks is associated with it [in its range].
*/
u8 vf_qid;
/* Indicates a VF is legacy, making it differ in several things:
* - Producers would be placed in a different place.
* - Makes assumptions regarding the CIDs.
*/
u8 vf_legacy;
u8 qid_usage_idx;
};
struct qed_queue_cid {
/* For stats-id, the `rel' is actually absolute as well */
struct qed_queue_cid_params rel;
struct qed_queue_cid_params abs;
/* These have no 'relative' meaning */
u16 sb_igu_id;
u8 sb_idx;
u32 cid;
u16 opaque_fid;
bool b_is_rx;
/* VFs queues are mapped differently, so we need to know the
* relative queue associated with them [0-based].
* Notice this is relevant on the *PF* queue-cid of its VF's queues,
* and not on the VF itself.
*/
u8 vfid;
u8 vf_qid;
/* We need an additional index to differentiate between queues opened
* for same queue-zone, as VFs would have to communicate the info
* to the PF [otherwise PF has no way to differentiate].
*/
u8 qid_usage_idx;
u8 vf_legacy;
#define QED_QCID_LEGACY_VF_RX_PROD (BIT(0))
#define QED_QCID_LEGACY_VF_CID (BIT(1))
struct qed_hwfn *p_owner;
};
int qed_l2_alloc(struct qed_hwfn *p_hwfn);
void qed_l2_setup(struct qed_hwfn *p_hwfn);
void qed_l2_free(struct qed_hwfn *p_hwfn);
void qed_eth_queue_cid_release(struct qed_hwfn *p_hwfn,
struct qed_queue_cid *p_cid);
struct qed_queue_cid *
qed_eth_queue_to_cid(struct qed_hwfn *p_hwfn,
u16 opaque_fid,
struct qed_queue_start_common_params *p_params,
bool b_is_rx,
struct qed_queue_cid_vf_params *p_vf_params);
int
qed_sp_eth_vport_start(struct qed_hwfn *p_hwfn,
struct qed_sp_vport_start_params *p_params);
/**
* qed_eth_rxq_start_ramrod(): Starts an Rx queue, when queue_cid is
* already prepared
*
* @p_hwfn: HW device data.
* @p_cid: Pointer CID.
* @bd_max_bytes: Max bytes.
* @bd_chain_phys_addr: Chain physcial address.
* @cqe_pbl_addr: PBL address.
* @cqe_pbl_size: PBL size.
*
* Return: Int.
*/
int
qed_eth_rxq_start_ramrod(struct qed_hwfn *p_hwfn,
struct qed_queue_cid *p_cid,
u16 bd_max_bytes,
dma_addr_t bd_chain_phys_addr,
dma_addr_t cqe_pbl_addr, u16 cqe_pbl_size);
/**
* qed_eth_txq_start_ramrod(): Starts a Tx queue, where queue_cid is
* already prepared
*
* @p_hwfn: HW device data.
* @p_cid: Pointer CID.
* @pbl_addr: PBL address.
* @pbl_size: PBL size.
* @pq_id: Parameters for choosing the PQ for this Tx queue.
*
* Return: Int.
*/
int
qed_eth_txq_start_ramrod(struct qed_hwfn *p_hwfn,
struct qed_queue_cid *p_cid,
dma_addr_t pbl_addr, u16 pbl_size, u16 pq_id);
u8 qed_mcast_bin_from_mac(u8 *mac);
int qed_set_rxq_coalesce(struct qed_hwfn *p_hwfn,
struct qed_ptt *p_ptt,
u16 coalesce, struct qed_queue_cid *p_cid);
int qed_set_txq_coalesce(struct qed_hwfn *p_hwfn,
struct qed_ptt *p_ptt,
u16 coalesce, struct qed_queue_cid *p_cid);
int qed_get_rxq_coalesce(struct qed_hwfn *p_hwfn,
struct qed_ptt *p_ptt,
struct qed_queue_cid *p_cid, u16 *p_hw_coal);
int qed_get_txq_coalesce(struct qed_hwfn *p_hwfn,
struct qed_ptt *p_ptt,
struct qed_queue_cid *p_cid, u16 *p_hw_coal);
#endif