blob: aff7a141c30df49f3be6abc5d8d79e55c63cdfe4 [file] [log] [blame]
// SPDX-License-Identifier: GPL-2.0
/* Copyright (C) 2018-2020, Intel Corporation. */
#include "ice.h"
#include "ice_fltr.h"
/**
* ice_fltr_free_list - free filter lists helper
* @dev: pointer to the device struct
* @h: pointer to the list head to be freed
*
* Helper function to free filter lists previously created using
* ice_fltr_add_mac_to_list
*/
void ice_fltr_free_list(struct device *dev, struct list_head *h)
{
struct ice_fltr_list_entry *e, *tmp;
list_for_each_entry_safe(e, tmp, h, list_entry) {
list_del(&e->list_entry);
devm_kfree(dev, e);
}
}
/**
* ice_fltr_add_entry_to_list - allocate and add filter entry to list
* @dev: pointer to device needed by alloc function
* @info: filter info struct that gets added to the passed in list
* @list: pointer to the list which contains MAC filters entry
*/
static int
ice_fltr_add_entry_to_list(struct device *dev, struct ice_fltr_info *info,
struct list_head *list)
{
struct ice_fltr_list_entry *entry;
entry = devm_kzalloc(dev, sizeof(*entry), GFP_ATOMIC);
if (!entry)
return -ENOMEM;
entry->fltr_info = *info;
INIT_LIST_HEAD(&entry->list_entry);
list_add(&entry->list_entry, list);
return 0;
}
/**
* ice_fltr_set_vlan_vsi_promisc
* @hw: pointer to the hardware structure
* @vsi: the VSI being configured
* @promisc_mask: mask of promiscuous config bits
*
* Set VSI with all associated VLANs to given promiscuous mode(s)
*/
int
ice_fltr_set_vlan_vsi_promisc(struct ice_hw *hw, struct ice_vsi *vsi,
u8 promisc_mask)
{
struct ice_pf *pf = hw->back;
int result;
result = ice_set_vlan_vsi_promisc(hw, vsi->idx, promisc_mask, false);
if (result && result != -EEXIST)
dev_err(ice_pf_to_dev(pf),
"Error setting promisc mode on VSI %i (rc=%d)\n",
vsi->vsi_num, result);
return result;
}
/**
* ice_fltr_clear_vlan_vsi_promisc
* @hw: pointer to the hardware structure
* @vsi: the VSI being configured
* @promisc_mask: mask of promiscuous config bits
*
* Clear VSI with all associated VLANs to given promiscuous mode(s)
*/
int
ice_fltr_clear_vlan_vsi_promisc(struct ice_hw *hw, struct ice_vsi *vsi,
u8 promisc_mask)
{
struct ice_pf *pf = hw->back;
int result;
result = ice_set_vlan_vsi_promisc(hw, vsi->idx, promisc_mask, true);
if (result && result != -EEXIST)
dev_err(ice_pf_to_dev(pf),
"Error clearing promisc mode on VSI %i (rc=%d)\n",
vsi->vsi_num, result);
return result;
}
/**
* ice_fltr_clear_vsi_promisc - clear specified promiscuous mode(s)
* @hw: pointer to the hardware structure
* @vsi_handle: VSI handle to clear mode
* @promisc_mask: mask of promiscuous config bits to clear
* @vid: VLAN ID to clear VLAN promiscuous
*/
int
ice_fltr_clear_vsi_promisc(struct ice_hw *hw, u16 vsi_handle, u8 promisc_mask,
u16 vid)
{
struct ice_pf *pf = hw->back;
int result;
result = ice_clear_vsi_promisc(hw, vsi_handle, promisc_mask, vid);
if (result && result != -EEXIST)
dev_err(ice_pf_to_dev(pf),
"Error clearing promisc mode on VSI %i for VID %u (rc=%d)\n",
ice_get_hw_vsi_num(hw, vsi_handle), vid, result);
return result;
}
/**
* ice_fltr_set_vsi_promisc - set given VSI to given promiscuous mode(s)
* @hw: pointer to the hardware structure
* @vsi_handle: VSI handle to configure
* @promisc_mask: mask of promiscuous config bits
* @vid: VLAN ID to set VLAN promiscuous
*/
int
ice_fltr_set_vsi_promisc(struct ice_hw *hw, u16 vsi_handle, u8 promisc_mask,
u16 vid)
{
struct ice_pf *pf = hw->back;
int result;
result = ice_set_vsi_promisc(hw, vsi_handle, promisc_mask, vid);
if (result && result != -EEXIST)
dev_err(ice_pf_to_dev(pf),
"Error setting promisc mode on VSI %i for VID %u (rc=%d)\n",
ice_get_hw_vsi_num(hw, vsi_handle), vid, result);
return result;
}
/**
* ice_fltr_add_mac_list - add list of MAC filters
* @vsi: pointer to VSI struct
* @list: list of filters
*/
int ice_fltr_add_mac_list(struct ice_vsi *vsi, struct list_head *list)
{
return ice_add_mac(&vsi->back->hw, list);
}
/**
* ice_fltr_remove_mac_list - remove list of MAC filters
* @vsi: pointer to VSI struct
* @list: list of filters
*/
int ice_fltr_remove_mac_list(struct ice_vsi *vsi, struct list_head *list)
{
return ice_remove_mac(&vsi->back->hw, list);
}
/**
* ice_fltr_add_vlan_list - add list of VLAN filters
* @vsi: pointer to VSI struct
* @list: list of filters
*/
static int ice_fltr_add_vlan_list(struct ice_vsi *vsi, struct list_head *list)
{
return ice_add_vlan(&vsi->back->hw, list);
}
/**
* ice_fltr_remove_vlan_list - remove list of VLAN filters
* @vsi: pointer to VSI struct
* @list: list of filters
*/
static int
ice_fltr_remove_vlan_list(struct ice_vsi *vsi, struct list_head *list)
{
return ice_remove_vlan(&vsi->back->hw, list);
}
/**
* ice_fltr_add_eth_list - add list of ethertype filters
* @vsi: pointer to VSI struct
* @list: list of filters
*/
static int ice_fltr_add_eth_list(struct ice_vsi *vsi, struct list_head *list)
{
return ice_add_eth_mac(&vsi->back->hw, list);
}
/**
* ice_fltr_remove_eth_list - remove list of ethertype filters
* @vsi: pointer to VSI struct
* @list: list of filters
*/
static int ice_fltr_remove_eth_list(struct ice_vsi *vsi, struct list_head *list)
{
return ice_remove_eth_mac(&vsi->back->hw, list);
}
/**
* ice_fltr_remove_all - remove all filters associated with VSI
* @vsi: pointer to VSI struct
*/
void ice_fltr_remove_all(struct ice_vsi *vsi)
{
ice_remove_vsi_fltr(&vsi->back->hw, vsi->idx);
/* sync netdev filters if exist */
if (vsi->netdev) {
__dev_uc_unsync(vsi->netdev, NULL);
__dev_mc_unsync(vsi->netdev, NULL);
}
}
/**
* ice_fltr_add_mac_to_list - add MAC filter info to exsisting list
* @vsi: pointer to VSI struct
* @list: list to add filter info to
* @mac: MAC address to add
* @action: filter action
*/
int
ice_fltr_add_mac_to_list(struct ice_vsi *vsi, struct list_head *list,
const u8 *mac, enum ice_sw_fwd_act_type action)
{
struct ice_fltr_info info = { 0 };
info.flag = ICE_FLTR_TX;
info.src_id = ICE_SRC_ID_VSI;
info.lkup_type = ICE_SW_LKUP_MAC;
info.fltr_act = action;
info.vsi_handle = vsi->idx;
ether_addr_copy(info.l_data.mac.mac_addr, mac);
return ice_fltr_add_entry_to_list(ice_pf_to_dev(vsi->back), &info,
list);
}
/**
* ice_fltr_add_vlan_to_list - add VLAN filter info to exsisting list
* @vsi: pointer to VSI struct
* @list: list to add filter info to
* @vlan: VLAN filter details
*/
static int
ice_fltr_add_vlan_to_list(struct ice_vsi *vsi, struct list_head *list,
struct ice_vlan *vlan)
{
struct ice_fltr_info info = { 0 };
info.flag = ICE_FLTR_TX;
info.src_id = ICE_SRC_ID_VSI;
info.lkup_type = ICE_SW_LKUP_VLAN;
info.fltr_act = ICE_FWD_TO_VSI;
info.vsi_handle = vsi->idx;
info.l_data.vlan.vlan_id = vlan->vid;
info.l_data.vlan.tpid = vlan->tpid;
info.l_data.vlan.tpid_valid = true;
return ice_fltr_add_entry_to_list(ice_pf_to_dev(vsi->back), &info,
list);
}
/**
* ice_fltr_add_eth_to_list - add ethertype filter info to exsisting list
* @vsi: pointer to VSI struct
* @list: list to add filter info to
* @ethertype: ethertype of packet that matches filter
* @flag: filter direction, Tx or Rx
* @action: filter action
*/
static int
ice_fltr_add_eth_to_list(struct ice_vsi *vsi, struct list_head *list,
u16 ethertype, u16 flag,
enum ice_sw_fwd_act_type action)
{
struct ice_fltr_info info = { 0 };
info.flag = flag;
info.lkup_type = ICE_SW_LKUP_ETHERTYPE;
info.fltr_act = action;
info.vsi_handle = vsi->idx;
info.l_data.ethertype_mac.ethertype = ethertype;
if (flag == ICE_FLTR_TX)
info.src_id = ICE_SRC_ID_VSI;
else
info.src_id = ICE_SRC_ID_LPORT;
return ice_fltr_add_entry_to_list(ice_pf_to_dev(vsi->back), &info,
list);
}
/**
* ice_fltr_prepare_mac - add or remove MAC rule
* @vsi: pointer to VSI struct
* @mac: MAC address to add
* @action: action to be performed on filter match
* @mac_action: pointer to add or remove MAC function
*/
static int
ice_fltr_prepare_mac(struct ice_vsi *vsi, const u8 *mac,
enum ice_sw_fwd_act_type action,
int (*mac_action)(struct ice_vsi *, struct list_head *))
{
LIST_HEAD(tmp_list);
int result;
if (ice_fltr_add_mac_to_list(vsi, &tmp_list, mac, action)) {
ice_fltr_free_list(ice_pf_to_dev(vsi->back), &tmp_list);
return -ENOMEM;
}
result = mac_action(vsi, &tmp_list);
ice_fltr_free_list(ice_pf_to_dev(vsi->back), &tmp_list);
return result;
}
/**
* ice_fltr_prepare_mac_and_broadcast - add or remove MAC and broadcast filter
* @vsi: pointer to VSI struct
* @mac: MAC address to add
* @action: action to be performed on filter match
* @mac_action: pointer to add or remove MAC function
*/
static int
ice_fltr_prepare_mac_and_broadcast(struct ice_vsi *vsi, const u8 *mac,
enum ice_sw_fwd_act_type action,
int(*mac_action)
(struct ice_vsi *, struct list_head *))
{
u8 broadcast[ETH_ALEN];
LIST_HEAD(tmp_list);
int result;
eth_broadcast_addr(broadcast);
if (ice_fltr_add_mac_to_list(vsi, &tmp_list, mac, action) ||
ice_fltr_add_mac_to_list(vsi, &tmp_list, broadcast, action)) {
ice_fltr_free_list(ice_pf_to_dev(vsi->back), &tmp_list);
return -ENOMEM;
}
result = mac_action(vsi, &tmp_list);
ice_fltr_free_list(ice_pf_to_dev(vsi->back), &tmp_list);
return result;
}
/**
* ice_fltr_prepare_vlan - add or remove VLAN filter
* @vsi: pointer to VSI struct
* @vlan: VLAN filter details
* @vlan_action: pointer to add or remove VLAN function
*/
static int
ice_fltr_prepare_vlan(struct ice_vsi *vsi, struct ice_vlan *vlan,
int (*vlan_action)(struct ice_vsi *, struct list_head *))
{
LIST_HEAD(tmp_list);
int result;
if (ice_fltr_add_vlan_to_list(vsi, &tmp_list, vlan))
return -ENOMEM;
result = vlan_action(vsi, &tmp_list);
ice_fltr_free_list(ice_pf_to_dev(vsi->back), &tmp_list);
return result;
}
/**
* ice_fltr_prepare_eth - add or remove ethertype filter
* @vsi: pointer to VSI struct
* @ethertype: ethertype of packet to be filtered
* @flag: direction of packet, Tx or Rx
* @action: action to be performed on filter match
* @eth_action: pointer to add or remove ethertype function
*/
static int
ice_fltr_prepare_eth(struct ice_vsi *vsi, u16 ethertype, u16 flag,
enum ice_sw_fwd_act_type action,
int (*eth_action)(struct ice_vsi *, struct list_head *))
{
LIST_HEAD(tmp_list);
int result;
if (ice_fltr_add_eth_to_list(vsi, &tmp_list, ethertype, flag, action))
return -ENOMEM;
result = eth_action(vsi, &tmp_list);
ice_fltr_free_list(ice_pf_to_dev(vsi->back), &tmp_list);
return result;
}
/**
* ice_fltr_add_mac - add single MAC filter
* @vsi: pointer to VSI struct
* @mac: MAC to add
* @action: action to be performed on filter match
*/
int ice_fltr_add_mac(struct ice_vsi *vsi, const u8 *mac,
enum ice_sw_fwd_act_type action)
{
return ice_fltr_prepare_mac(vsi, mac, action, ice_fltr_add_mac_list);
}
/**
* ice_fltr_add_mac_and_broadcast - add single MAC and broadcast
* @vsi: pointer to VSI struct
* @mac: MAC to add
* @action: action to be performed on filter match
*/
int
ice_fltr_add_mac_and_broadcast(struct ice_vsi *vsi, const u8 *mac,
enum ice_sw_fwd_act_type action)
{
return ice_fltr_prepare_mac_and_broadcast(vsi, mac, action,
ice_fltr_add_mac_list);
}
/**
* ice_fltr_remove_mac - remove MAC filter
* @vsi: pointer to VSI struct
* @mac: filter MAC to remove
* @action: action to remove
*/
int ice_fltr_remove_mac(struct ice_vsi *vsi, const u8 *mac,
enum ice_sw_fwd_act_type action)
{
return ice_fltr_prepare_mac(vsi, mac, action, ice_fltr_remove_mac_list);
}
/**
* ice_fltr_add_vlan - add single VLAN filter
* @vsi: pointer to VSI struct
* @vlan: VLAN filter details
*/
int ice_fltr_add_vlan(struct ice_vsi *vsi, struct ice_vlan *vlan)
{
return ice_fltr_prepare_vlan(vsi, vlan, ice_fltr_add_vlan_list);
}
/**
* ice_fltr_remove_vlan - remove VLAN filter
* @vsi: pointer to VSI struct
* @vlan: VLAN filter details
*/
int ice_fltr_remove_vlan(struct ice_vsi *vsi, struct ice_vlan *vlan)
{
return ice_fltr_prepare_vlan(vsi, vlan, ice_fltr_remove_vlan_list);
}
/**
* ice_fltr_add_eth - add specyfic ethertype filter
* @vsi: pointer to VSI struct
* @ethertype: ethertype of filter
* @flag: direction of packet to be filtered, Tx or Rx
* @action: action to be performed on filter match
*/
int ice_fltr_add_eth(struct ice_vsi *vsi, u16 ethertype, u16 flag,
enum ice_sw_fwd_act_type action)
{
return ice_fltr_prepare_eth(vsi, ethertype, flag, action,
ice_fltr_add_eth_list);
}
/**
* ice_fltr_remove_eth - remove ethertype filter
* @vsi: pointer to VSI struct
* @ethertype: ethertype of filter
* @flag: direction of filter
* @action: action to remove
*/
int ice_fltr_remove_eth(struct ice_vsi *vsi, u16 ethertype, u16 flag,
enum ice_sw_fwd_act_type action)
{
return ice_fltr_prepare_eth(vsi, ethertype, flag, action,
ice_fltr_remove_eth_list);
}