/*
* Copyright (c) 2015, Mellanox Technologies. All rights reserved.
*
* This software is available to you under a choice of one of two
* licenses. You may choose to be licensed under the terms of the GNU
* General Public License (GPL) Version 2, available from the file
* COPYING in the main directory of this source tree, or the
* OpenIB.org BSD license below:
*
* Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met:
*
* - Redistributions of source code must retain the above
* copyright notice, this list of conditions and the following
* disclaimer.
*
* - Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include <linux/debugfs.h>
#include <linux/list.h>
#include <linux/ip.h>
#include <linux/ipv6.h>
#include <linux/tcp.h>
#include <linux/mlx5/fs.h>
#include <linux/mlx5/mpfs.h>
#include "en_tc.h"
#include "lib/mpfs.h"
#include "en/ptp.h"
#include "en/fs_ethtool.h"
struct mlx5e_flow_steering {
struct work_struct set_rx_mode_work;
bool state_destroy;
bool vlan_strip_disable;
struct mlx5_core_dev *mdev;
struct net_device *netdev;
struct mlx5_flow_namespace *ns;
struct mlx5_flow_namespace *egress_ns;
#ifdef CONFIG_MLX5_EN_RXNFC
struct mlx5e_ethtool_steering *ethtool;
#endif
struct mlx5e_tc_table *tc;
struct mlx5e_promisc_table promisc;
struct mlx5e_vlan_table *vlan;
struct mlx5e_l2_table l2;
struct mlx5_ttc_table *ttc;
struct mlx5_ttc_table *inner_ttc;
#ifdef CONFIG_MLX5_EN_ARFS
struct mlx5e_arfs_tables *arfs;
#endif
#ifdef CONFIG_MLX5_EN_TLS
struct mlx5e_accel_fs_tcp *accel_tcp;
#endif
struct mlx5e_fs_udp *udp;
struct mlx5e_fs_any *any;
struct mlx5e_ptp_fs *ptp_fs;
struct dentry *dfs_root;
};
static int mlx5e_add_l2_flow_rule(struct mlx5e_flow_steering *fs,
struct mlx5e_l2_rule *ai, int type);
static void mlx5e_del_l2_flow_rule(struct mlx5e_flow_steering *fs,
struct mlx5e_l2_rule *ai);
enum {
MLX5E_FULLMATCH = 0,
MLX5E_ALLMULTI = 1,
};
enum {
MLX5E_UC = 0,
MLX5E_MC_IPV4 = 1,
MLX5E_MC_IPV6 = 2,
MLX5E_MC_OTHER = 3,
};
enum {
MLX5E_ACTION_NONE = 0,
MLX5E_ACTION_ADD = 1,
MLX5E_ACTION_DEL = 2,
};
struct mlx5e_l2_hash_node {
struct hlist_node hlist;
u8 action;
struct mlx5e_l2_rule ai;
bool mpfs;
};
static inline int mlx5e_hash_l2(const u8 *addr)
{
return addr[5];
}
struct dentry *mlx5e_fs_get_debugfs_root(struct mlx5e_flow_steering *fs)
{
return fs->dfs_root;
}
static void mlx5e_add_l2_to_hash(struct hlist_head *hash, const u8 *addr)
{
struct mlx5e_l2_hash_node *hn;
int ix = mlx5e_hash_l2(addr);
int found = 0;
hlist_for_each_entry(hn, &hash[ix], hlist)
if (ether_addr_equal_64bits(hn->ai.addr, addr)) {
found = 1;
break;
}
if (found) {
hn->action = MLX5E_ACTION_NONE;
return;
}
hn = kzalloc(sizeof(*hn), GFP_ATOMIC);
if (!hn)
return;
ether_addr_copy(hn->ai.addr, addr);
hn->action = MLX5E_ACTION_ADD;
hlist_add_head(&hn->hlist, &hash[ix]);
}
static void mlx5e_del_l2_from_hash(struct mlx5e_l2_hash_node *hn)
{
hlist_del(&hn->hlist);
kfree(hn);
}
struct mlx5e_vlan_table {
struct mlx5e_flow_table ft;
DECLARE_BITMAP(active_cvlans, VLAN_N_VID);
DECLARE_BITMAP(active_svlans, VLAN_N_VID);
struct mlx5_flow_handle *active_cvlans_rule[VLAN_N_VID];
struct mlx5_flow_handle *active_svlans_rule[VLAN_N_VID];
struct mlx5_flow_handle *untagged_rule;
struct mlx5_flow_handle *any_cvlan_rule;
struct mlx5_flow_handle *any_svlan_rule;
struct mlx5_flow_handle *trap_rule;
bool cvlan_filter_disabled;
};
unsigned long *mlx5e_vlan_get_active_svlans(struct mlx5e_vlan_table *vlan)
{
return vlan->active_svlans;
}
struct mlx5_flow_table *mlx5e_vlan_get_flowtable(struct mlx5e_vlan_table *vlan)
{
return vlan->ft.t;
}
static int mlx5e_vport_context_update_vlans(struct mlx5e_flow_steering *fs)
{
int max_list_size;
int list_size;
u16 *vlans;
int vlan;
int err;
int i;
list_size = 0;
for_each_set_bit(vlan, fs->vlan->active_cvlans, VLAN_N_VID)
list_size++;
max_list_size = 1 << MLX5_CAP_GEN(fs->mdev, log_max_vlan_list);
if (list_size > max_list_size) {
fs_warn(fs, "netdev vlans list size (%d) > (%d) max vport list size, some vlans will be dropped\n",
list_size, max_list_size);
list_size = max_list_size;
}
vlans = kvcalloc(list_size, sizeof(*vlans), GFP_KERNEL);
if (!vlans)
return -ENOMEM;
i = 0;
for_each_set_bit(vlan, fs->vlan->active_cvlans, VLAN_N_VID) {
if (i >= list_size)
break;
vlans[i++] = vlan;
}
err = mlx5_modify_nic_vport_vlans(fs->mdev, vlans, list_size);
if (err)
fs_err(fs, "Failed to modify vport vlans list err(%d)\n",
err);
kvfree(vlans);
return err;
}
enum mlx5e_vlan_rule_type {
MLX5E_VLAN_RULE_TYPE_UNTAGGED,
MLX5E_VLAN_RULE_TYPE_ANY_CTAG_VID,
MLX5E_VLAN_RULE_TYPE_ANY_STAG_VID,
MLX5E_VLAN_RULE_TYPE_MATCH_CTAG_VID,
MLX5E_VLAN_RULE_TYPE_MATCH_STAG_VID,
};
static int __mlx5e_add_vlan_rule(struct mlx5e_flow_steering *fs,
enum mlx5e_vlan_rule_type rule_type,
u16 vid, struct mlx5_flow_spec *spec)
{
struct mlx5_flow_table *ft = fs->vlan->ft.t;
struct mlx5_flow_destination dest = {};
struct mlx5_flow_handle **rule_p;
MLX5_DECLARE_FLOW_ACT(flow_act);
int err = 0;
dest.type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE;
dest.ft = fs->l2.ft.t;
spec->match_criteria_enable = MLX5_MATCH_OUTER_HEADERS;
switch (rule_type) {
case MLX5E_VLAN_RULE_TYPE_UNTAGGED:
/* cvlan_tag enabled in match criteria and
* disabled in match value means both S & C tags
* don't exist (untagged of both)
*/
rule_p = &fs->vlan->untagged_rule;
MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria,
outer_headers.cvlan_tag);
break;
case MLX5E_VLAN_RULE_TYPE_ANY_CTAG_VID:
rule_p = &fs->vlan->any_cvlan_rule;
MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria,
outer_headers.cvlan_tag);
MLX5_SET(fte_match_param, spec->match_value, outer_headers.cvlan_tag, 1);
break;
case MLX5E_VLAN_RULE_TYPE_ANY_STAG_VID:
rule_p = &fs->vlan->any_svlan_rule;
MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria,
outer_headers.svlan_tag);
MLX5_SET(fte_match_param, spec->match_value, outer_headers.svlan_tag, 1);
break;
case MLX5E_VLAN_RULE_TYPE_MATCH_STAG_VID:
rule_p = &fs->vlan->active_svlans_rule[vid];
MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria,
outer_headers.svlan_tag);
MLX5_SET(fte_match_param, spec->match_value, outer_headers.svlan_tag, 1);
MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria,
outer_headers.first_vid);
MLX5_SET(fte_match_param, spec->match_value, outer_headers.first_vid,
vid);
break;
default: /* MLX5E_VLAN_RULE_TYPE_MATCH_CTAG_VID */
rule_p = &fs->vlan->active_cvlans_rule[vid];
MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria,
outer_headers.cvlan_tag);
MLX5_SET(fte_match_param, spec->match_value, outer_headers.cvlan_tag, 1);
MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria,
outer_headers.first_vid);
MLX5_SET(fte_match_param, spec->match_value, outer_headers.first_vid,
vid);
break;
}
if (WARN_ONCE(*rule_p, "VLAN rule already exists type %d", rule_type))
return 0;
*rule_p = mlx5_add_flow_rules(ft, spec, &flow_act, &dest, 1);
if (IS_ERR(*rule_p)) {
err = PTR_ERR(*rule_p);
*rule_p = NULL;
fs_err(fs, "add rule failed\n");
}
return err;
}
static int mlx5e_add_vlan_rule(struct mlx5e_flow_steering *fs,
enum mlx5e_vlan_rule_type rule_type, u16 vid)
{
struct mlx5_flow_spec *spec;
int err = 0;
spec = kvzalloc(sizeof(*spec), GFP_KERNEL);
if (!spec)
return -ENOMEM;
if (rule_type == MLX5E_VLAN_RULE_TYPE_MATCH_CTAG_VID)
mlx5e_vport_context_update_vlans(fs);
err = __mlx5e_add_vlan_rule(fs, rule_type, vid, spec);
kvfree(spec);
return err;
}
static void mlx5e_fs_del_vlan_rule(struct mlx5e_flow_steering *fs,
enum mlx5e_vlan_rule_type rule_type, u16 vid)
{
switch (rule_type) {
case MLX5E_VLAN_RULE_TYPE_UNTAGGED:
if (fs->vlan->untagged_rule) {
mlx5_del_flow_rules(fs->vlan->untagged_rule);
fs->vlan->untagged_rule = NULL;
}
break;
case MLX5E_VLAN_RULE_TYPE_ANY_CTAG_VID:
if (fs->vlan->any_cvlan_rule) {
mlx5_del_flow_rules(fs->vlan->any_cvlan_rule);
fs->vlan->any_cvlan_rule = NULL;
}
break;
case MLX5E_VLAN_RULE_TYPE_ANY_STAG_VID:
if (fs->vlan->any_svlan_rule) {
mlx5_del_flow_rules(fs->vlan->any_svlan_rule);
fs->vlan->any_svlan_rule = NULL;
}
break;
case MLX5E_VLAN_RULE_TYPE_MATCH_STAG_VID:
if (fs->vlan->active_svlans_rule[vid]) {
mlx5_del_flow_rules(fs->vlan->active_svlans_rule[vid]);
fs->vlan->active_svlans_rule[vid] = NULL;
}
break;
case MLX5E_VLAN_RULE_TYPE_MATCH_CTAG_VID:
if (fs->vlan->active_cvlans_rule[vid]) {
mlx5_del_flow_rules(fs->vlan->active_cvlans_rule[vid]);
fs->vlan->active_cvlans_rule[vid] = NULL;
}
mlx5e_vport_context_update_vlans(fs);
break;
}
}
static void mlx5e_fs_del_any_vid_rules(struct mlx5e_flow_steering *fs)
{
mlx5e_fs_del_vlan_rule(fs, MLX5E_VLAN_RULE_TYPE_ANY_CTAG_VID, 0);
mlx5e_fs_del_vlan_rule(fs, MLX5E_VLAN_RULE_TYPE_ANY_STAG_VID, 0);
}
static int mlx5e_fs_add_any_vid_rules(struct mlx5e_flow_steering *fs)
{
int err;
err = mlx5e_add_vlan_rule(fs, MLX5E_VLAN_RULE_TYPE_ANY_CTAG_VID, 0);
if (err)
return err;
return mlx5e_add_vlan_rule(fs, MLX5E_VLAN_RULE_TYPE_ANY_STAG_VID, 0);
}
static struct mlx5_flow_handle *
mlx5e_add_trap_rule(struct mlx5_flow_table *ft, int trap_id, int tir_num)
{
struct mlx5_flow_destination dest = {};
MLX5_DECLARE_FLOW_ACT(flow_act);
struct mlx5_flow_handle *rule;
struct mlx5_flow_spec *spec;
spec = kvzalloc(sizeof(*spec), GFP_KERNEL);
if (!spec)
return ERR_PTR(-ENOMEM);
spec->flow_context.flags |= FLOW_CONTEXT_HAS_TAG;
spec->flow_context.flow_tag = trap_id;
dest.type = MLX5_FLOW_DESTINATION_TYPE_TIR;
dest.tir_num = tir_num;
rule = mlx5_add_flow_rules(ft, spec, &flow_act, &dest, 1);
kvfree(spec);
return rule;
}
int mlx5e_add_vlan_trap(struct mlx5e_flow_steering *fs, int trap_id, int tir_num)
{
struct mlx5_flow_table *ft = fs->vlan->ft.t;
struct mlx5_flow_handle *rule;
int err;
rule = mlx5e_add_trap_rule(ft, trap_id, tir_num);
if (IS_ERR(rule)) {
err = PTR_ERR(rule);
fs->vlan->trap_rule = NULL;
fs_err(fs, "add VLAN trap rule failed, err %d\n", err);
return err;
}
fs->vlan->trap_rule = rule;
return 0;
}
void mlx5e_remove_vlan_trap(struct mlx5e_flow_steering *fs)
{
if (fs->vlan->trap_rule) {
mlx5_del_flow_rules(fs->vlan->trap_rule);
fs->vlan->trap_rule = NULL;
}
}
int mlx5e_add_mac_trap(struct mlx5e_flow_steering *fs, int trap_id, int tir_num)
{
struct mlx5_flow_table *ft = fs->l2.ft.t;
struct mlx5_flow_handle *rule;
int err;
rule = mlx5e_add_trap_rule(ft, trap_id, tir_num);
if (IS_ERR(rule)) {
err = PTR_ERR(rule);
fs->l2.trap_rule = NULL;
fs_err(fs, "add MAC trap rule failed, err %d\n", err);
return err;
}
fs->l2.trap_rule = rule;
return 0;
}
void mlx5e_remove_mac_trap(struct mlx5e_flow_steering *fs)
{
if (fs->l2.trap_rule) {
mlx5_del_flow_rules(fs->l2.trap_rule);
fs->l2.trap_rule = NULL;
}
}
void mlx5e_enable_cvlan_filter(struct mlx5e_flow_steering *fs, bool promisc)
{
if (!fs->vlan->cvlan_filter_disabled)
return;
fs->vlan->cvlan_filter_disabled = false;
if (promisc)
return;
mlx5e_fs_del_vlan_rule(fs, MLX5E_VLAN_RULE_TYPE_ANY_CTAG_VID, 0);
}
void mlx5e_disable_cvlan_filter(struct mlx5e_flow_steering *fs, bool promisc)
{
if (!fs->vlan || fs->vlan->cvlan_filter_disabled)
return;
fs->vlan->cvlan_filter_disabled = true;
if (promisc)
return;
mlx5e_add_vlan_rule(fs, MLX5E_VLAN_RULE_TYPE_ANY_CTAG_VID, 0);
}
static int mlx5e_vlan_rx_add_cvid(struct mlx5e_flow_steering *fs, u16 vid)
{
int err;
set_bit(vid, fs->vlan->active_cvlans);
err = mlx5e_add_vlan_rule(fs, MLX5E_VLAN_RULE_TYPE_MATCH_CTAG_VID, vid);
if (err)
clear_bit(vid, fs->vlan->active_cvlans);
return err;
}
static int mlx5e_vlan_rx_add_svid(struct mlx5e_flow_steering *fs,
struct net_device *netdev, u16 vid)
{
int err;
set_bit(vid, fs->vlan->active_svlans);
err = mlx5e_add_vlan_rule(fs, MLX5E_VLAN_RULE_TYPE_MATCH_STAG_VID, vid);
if (err) {
clear_bit(vid, fs->vlan->active_svlans);
return err;
}
/* Need to fix some features.. */
netdev_update_features(netdev);
return err;
}
int mlx5e_fs_vlan_rx_add_vid(struct mlx5e_flow_steering *fs,
struct net_device *netdev,
__be16 proto, u16 vid)
{
if (!fs->vlan) {
fs_err(fs, "Vlan doesn't exist\n");
return -EINVAL;
}
if (be16_to_cpu(proto) == ETH_P_8021Q)
return mlx5e_vlan_rx_add_cvid(fs, vid);
else if (be16_to_cpu(proto) == ETH_P_8021AD)
return mlx5e_vlan_rx_add_svid(fs, netdev, vid);
return -EOPNOTSUPP;
}
int mlx5e_fs_vlan_rx_kill_vid(struct mlx5e_flow_steering *fs,
struct net_device *netdev,
__be16 proto, u16 vid)
{
if (!fs->vlan) {
fs_err(fs, "Vlan doesn't exist\n");
return -EINVAL;
}
if (be16_to_cpu(proto) == ETH_P_8021Q) {
clear_bit(vid, fs->vlan->active_cvlans);
mlx5e_fs_del_vlan_rule(fs, MLX5E_VLAN_RULE_TYPE_MATCH_CTAG_VID, vid);
} else if (be16_to_cpu(proto) == ETH_P_8021AD) {
clear_bit(vid, fs->vlan->active_svlans);
mlx5e_fs_del_vlan_rule(fs, MLX5E_VLAN_RULE_TYPE_MATCH_STAG_VID, vid);
netdev_update_features(netdev);
}
return 0;
}
static void mlx5e_fs_add_vlan_rules(struct mlx5e_flow_steering *fs)
{
int i;
mlx5e_add_vlan_rule(fs, MLX5E_VLAN_RULE_TYPE_UNTAGGED, 0);
for_each_set_bit(i, fs->vlan->active_cvlans, VLAN_N_VID) {
mlx5e_add_vlan_rule(fs, MLX5E_VLAN_RULE_TYPE_MATCH_CTAG_VID, i);
}
for_each_set_bit(i, fs->vlan->active_svlans, VLAN_N_VID)
mlx5e_add_vlan_rule(fs, MLX5E_VLAN_RULE_TYPE_MATCH_STAG_VID, i);
if (fs->vlan->cvlan_filter_disabled)
mlx5e_fs_add_any_vid_rules(fs);
}
static void mlx5e_del_vlan_rules(struct mlx5e_flow_steering *fs)
{
int i;
mlx5e_fs_del_vlan_rule(fs, MLX5E_VLAN_RULE_TYPE_UNTAGGED, 0);
for_each_set_bit(i, fs->vlan->active_cvlans, VLAN_N_VID) {
mlx5e_fs_del_vlan_rule(fs, MLX5E_VLAN_RULE_TYPE_MATCH_CTAG_VID, i);
}
for_each_set_bit(i, fs->vlan->active_svlans, VLAN_N_VID)
mlx5e_fs_del_vlan_rule(fs, MLX5E_VLAN_RULE_TYPE_MATCH_STAG_VID, i);
WARN_ON_ONCE(fs->state_destroy);
mlx5e_remove_vlan_trap(fs);
/* must be called after DESTROY bit is set and
* set_rx_mode is called and flushed
*/
if (fs->vlan->cvlan_filter_disabled)
mlx5e_fs_del_any_vid_rules(fs);
}
#define mlx5e_for_each_hash_node(hn, tmp, hash, i) \
for (i = 0; i < MLX5E_L2_ADDR_HASH_SIZE; i++) \
hlist_for_each_entry_safe(hn, tmp, &hash[i], hlist)
static void mlx5e_execute_l2_action(struct mlx5e_flow_steering *fs,
struct mlx5e_l2_hash_node *hn)
{
u8 action = hn->action;
u8 mac_addr[ETH_ALEN];
int l2_err = 0;
ether_addr_copy(mac_addr, hn->ai.addr);
switch (action) {
case MLX5E_ACTION_ADD:
mlx5e_add_l2_flow_rule(fs, &hn->ai, MLX5E_FULLMATCH);
if (!is_multicast_ether_addr(mac_addr)) {
l2_err = mlx5_mpfs_add_mac(fs->mdev, mac_addr);
hn->mpfs = !l2_err;
}
hn->action = MLX5E_ACTION_NONE;
break;
case MLX5E_ACTION_DEL:
if (!is_multicast_ether_addr(mac_addr) && hn->mpfs)
l2_err = mlx5_mpfs_del_mac(fs->mdev, mac_addr);
mlx5e_del_l2_flow_rule(fs, &hn->ai);
mlx5e_del_l2_from_hash(hn);
break;
}
if (l2_err)
fs_warn(fs, "MPFS, failed to %s mac %pM, err(%d)\n",
action == MLX5E_ACTION_ADD ? "add" : "del",
mac_addr, l2_err);
}
static void mlx5e_sync_netdev_addr(struct mlx5e_flow_steering *fs,
struct net_device *netdev)
{
struct netdev_hw_addr *ha;
netif_addr_lock_bh(netdev);
mlx5e_add_l2_to_hash(fs->l2.netdev_uc, netdev->dev_addr);
netdev_for_each_uc_addr(ha, netdev)
mlx5e_add_l2_to_hash(fs->l2.netdev_uc, ha->addr);
netdev_for_each_mc_addr(ha, netdev)
mlx5e_add_l2_to_hash(fs->l2.netdev_mc, ha->addr);
netif_addr_unlock_bh(netdev);
}
static void mlx5e_fill_addr_array(struct mlx5e_flow_steering *fs, int list_type,
struct net_device *ndev,
u8 addr_array[][ETH_ALEN], int size)
{
bool is_uc = (list_type == MLX5_NVPRT_LIST_TYPE_UC);
struct mlx5e_l2_hash_node *hn;
struct hlist_head *addr_list;
struct hlist_node *tmp;
int i = 0;
int hi;
addr_list = is_uc ? fs->l2.netdev_uc : fs->l2.netdev_mc;
if (is_uc) /* Make sure our own address is pushed first */
ether_addr_copy(addr_array[i++], ndev->dev_addr);
else if (fs->l2.broadcast_enabled)
ether_addr_copy(addr_array[i++], ndev->broadcast);
mlx5e_for_each_hash_node(hn, tmp, addr_list, hi) {
if (ether_addr_equal(ndev->dev_addr, hn->ai.addr))
continue;
if (i >= size)
break;
ether_addr_copy(addr_array[i++], hn->ai.addr);
}
}
static void mlx5e_vport_context_update_addr_list(struct mlx5e_flow_steering *fs,
struct net_device *netdev,
int list_type)
{
bool is_uc = (list_type == MLX5_NVPRT_LIST_TYPE_UC);
struct mlx5e_l2_hash_node *hn;
u8 (*addr_array)[ETH_ALEN] = NULL;
struct hlist_head *addr_list;
struct hlist_node *tmp;
int max_size;
int size;
int err;
int hi;
size = is_uc ? 0 : (fs->l2.broadcast_enabled ? 1 : 0);
max_size = is_uc ?
1 << MLX5_CAP_GEN(fs->mdev, log_max_current_uc_list) :
1 << MLX5_CAP_GEN(fs->mdev, log_max_current_mc_list);
addr_list = is_uc ? fs->l2.netdev_uc : fs->l2.netdev_mc;
mlx5e_for_each_hash_node(hn, tmp, addr_list, hi)
size++;
if (size > max_size) {
fs_warn(fs, "mdev %s list size (%d) > (%d) max vport list size, some addresses will be dropped\n",
is_uc ? "UC" : "MC", size, max_size);
size = max_size;
}
if (size) {
addr_array = kcalloc(size, ETH_ALEN, GFP_KERNEL);
if (!addr_array) {
err = -ENOMEM;
goto out;
}
mlx5e_fill_addr_array(fs, list_type, netdev, addr_array, size);
}
err = mlx5_modify_nic_vport_mac_list(fs->mdev, list_type, addr_array, size);
out:
if (err)
fs_err(fs, "Failed to modify vport %s list err(%d)\n",
is_uc ? "UC" : "MC", err);
kfree(addr_array);
}
static void mlx5e_vport_context_update(struct mlx5e_flow_steering *fs,
struct net_device *netdev)
{
struct mlx5e_l2_table *ea = &fs->l2;
mlx5e_vport_context_update_addr_list(fs, netdev, MLX5_NVPRT_LIST_TYPE_UC);
mlx5e_vport_context_update_addr_list(fs, netdev, MLX5_NVPRT_LIST_TYPE_MC);
mlx5_modify_nic_vport_promisc(fs->mdev, 0,
ea->allmulti_enabled,
ea->promisc_enabled);
}
static void mlx5e_apply_netdev_addr(struct mlx5e_flow_steering *fs)
{
struct mlx5e_l2_hash_node *hn;
struct hlist_node *tmp;
int i;
mlx5e_for_each_hash_node(hn, tmp, fs->l2.netdev_uc, i)
mlx5e_execute_l2_action(fs, hn);
mlx5e_for_each_hash_node(hn, tmp, fs->l2.netdev_mc, i)
mlx5e_execute_l2_action(fs, hn);
}
static void mlx5e_handle_netdev_addr(struct mlx5e_flow_steering *fs,
struct net_device *netdev)
{
struct mlx5e_l2_hash_node *hn;
struct hlist_node *tmp;
int i;
mlx5e_for_each_hash_node(hn, tmp, fs->l2.netdev_uc, i)
hn->action = MLX5E_ACTION_DEL;
mlx5e_for_each_hash_node(hn, tmp, fs->l2.netdev_mc, i)
hn->action = MLX5E_ACTION_DEL;
if (fs->state_destroy)
mlx5e_sync_netdev_addr(fs, netdev);
mlx5e_apply_netdev_addr(fs);
}
#define MLX5E_PROMISC_GROUP0_SIZE BIT(0)
#define MLX5E_PROMISC_TABLE_SIZE MLX5E_PROMISC_GROUP0_SIZE
static int mlx5e_add_promisc_rule(struct mlx5e_flow_steering *fs)
{
struct mlx5_flow_table *ft = fs->promisc.ft.t;
struct mlx5_flow_destination dest = {};
struct mlx5_flow_handle **rule_p;
MLX5_DECLARE_FLOW_ACT(flow_act);
struct mlx5_flow_spec *spec;
int err = 0;
spec = kvzalloc(sizeof(*spec), GFP_KERNEL);
if (!spec)
return -ENOMEM;
dest.type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE;
dest.ft = mlx5_get_ttc_flow_table(fs->ttc);
rule_p = &fs->promisc.rule;
*rule_p = mlx5_add_flow_rules(ft, spec, &flow_act, &dest, 1);
if (IS_ERR(*rule_p)) {
err = PTR_ERR(*rule_p);
*rule_p = NULL;
fs_err(fs, "add promiscuous rule failed\n");
}
kvfree(spec);
return err;
}
static int mlx5e_create_promisc_table(struct mlx5e_flow_steering *fs)
{
struct mlx5e_flow_table *ft = &fs->promisc.ft;
struct mlx5_flow_table_attr ft_attr = {};
int err;
ft_attr.max_fte = MLX5E_PROMISC_TABLE_SIZE;
ft_attr.autogroup.max_num_groups = 1;
ft_attr.level = MLX5E_PROMISC_FT_LEVEL;
ft_attr.prio = MLX5E_NIC_PRIO;
ft->t = mlx5_create_auto_grouped_flow_table(fs->ns, &ft_attr);
if (IS_ERR(ft->t)) {
err = PTR_ERR(ft->t);
ft->t = NULL;
fs_err(fs, "fail to create promisc table err=%d\n", err);
return err;
}
err = mlx5e_add_promisc_rule(fs);
if (err)
goto err_destroy_promisc_table;
return 0;
err_destroy_promisc_table:
mlx5_destroy_flow_table(ft->t);
ft->t = NULL;
return err;
}
static void mlx5e_del_promisc_rule(struct mlx5e_flow_steering *fs)
{
if (WARN(!fs->promisc.rule, "Trying to remove non-existing promiscuous rule"))
return;
mlx5_del_flow_rules(fs->promisc.rule);
fs->promisc.rule = NULL;
}
static void mlx5e_destroy_promisc_table(struct mlx5e_flow_steering *fs)
{
if (!fs->promisc.ft.t)
return;
mlx5e_del_promisc_rule(fs);
mlx5_destroy_flow_table(fs->promisc.ft.t);
fs->promisc.ft.t = NULL;
}
void mlx5e_fs_set_rx_mode_work(struct mlx5e_flow_steering *fs,
struct net_device *netdev)
{
struct mlx5e_l2_table *ea = &fs->l2;
bool rx_mode_enable = fs->state_destroy;
bool promisc_enabled = rx_mode_enable && (netdev->flags & IFF_PROMISC);
bool allmulti_enabled = rx_mode_enable && (netdev->flags & IFF_ALLMULTI);
bool broadcast_enabled = rx_mode_enable;
bool enable_promisc = !ea->promisc_enabled && promisc_enabled;
bool disable_promisc = ea->promisc_enabled && !promisc_enabled;
bool enable_allmulti = !ea->allmulti_enabled && allmulti_enabled;
bool disable_allmulti = ea->allmulti_enabled && !allmulti_enabled;
bool enable_broadcast = !ea->broadcast_enabled && broadcast_enabled;
bool disable_broadcast = ea->broadcast_enabled && !broadcast_enabled;
int err;
if (enable_promisc) {
err = mlx5e_create_promisc_table(fs);
if (err)
enable_promisc = false;
if (!fs->vlan_strip_disable && !err)
fs_warn_once(fs,
"S-tagged traffic will be dropped while C-tag vlan stripping is enabled\n");
}
if (enable_allmulti)
mlx5e_add_l2_flow_rule(fs, &ea->allmulti, MLX5E_ALLMULTI);
if (enable_broadcast)
mlx5e_add_l2_flow_rule(fs, &ea->broadcast, MLX5E_FULLMATCH);
mlx5e_handle_netdev_addr(fs, netdev);
if (disable_broadcast)
mlx5e_del_l2_flow_rule(fs, &ea->broadcast);
if (disable_allmulti)
mlx5e_del_l2_flow_rule(fs, &ea->allmulti);
if (disable_promisc)
mlx5e_destroy_promisc_table(fs);
ea->promisc_enabled = promisc_enabled;
ea->allmulti_enabled = allmulti_enabled;
ea->broadcast_enabled = broadcast_enabled;
mlx5e_vport_context_update(fs, netdev);
}
static void mlx5e_destroy_groups(struct mlx5e_flow_table *ft)
{
int i;
for (i = ft->num_groups - 1; i >= 0; i--) {
if (!IS_ERR_OR_NULL(ft->g[i]))
mlx5_destroy_flow_group(ft->g[i]);
ft->g[i] = NULL;
}
ft->num_groups = 0;
}
void mlx5e_fs_init_l2_addr(struct mlx5e_flow_steering *fs, struct net_device *netdev)
{
ether_addr_copy(fs->l2.broadcast.addr, netdev->broadcast);
}
void mlx5e_destroy_flow_table(struct mlx5e_flow_table *ft)
{
mlx5e_destroy_groups(ft);
kfree(ft->g);
mlx5_destroy_flow_table(ft->t);
ft->t = NULL;
}
static void mlx5e_set_inner_ttc_params(struct mlx5e_flow_steering *fs,
struct mlx5e_rx_res *rx_res,
struct ttc_params *ttc_params)
{
struct mlx5_flow_table_attr *ft_attr = &ttc_params->ft_attr;
int tt;
memset(ttc_params, 0, sizeof(*ttc_params));
ttc_params->ns = mlx5_get_flow_namespace(fs->mdev,
MLX5_FLOW_NAMESPACE_KERNEL);
ft_attr->level = MLX5E_INNER_TTC_FT_LEVEL;
ft_attr->prio = MLX5E_NIC_PRIO;
for (tt = 0; tt < MLX5_NUM_TT; tt++) {
ttc_params->dests[tt].type = MLX5_FLOW_DESTINATION_TYPE_TIR;
ttc_params->dests[tt].tir_num =
tt == MLX5_TT_ANY ?
mlx5e_rx_res_get_tirn_direct(rx_res, 0) :
mlx5e_rx_res_get_tirn_rss_inner(rx_res,
tt);
}
}
void mlx5e_set_ttc_params(struct mlx5e_flow_steering *fs,
struct mlx5e_rx_res *rx_res,
struct ttc_params *ttc_params, bool tunnel)
{
struct mlx5_flow_table_attr *ft_attr = &ttc_params->ft_attr;
int tt;
memset(ttc_params, 0, sizeof(*ttc_params));
ttc_params->ns = mlx5_get_flow_namespace(fs->mdev,
MLX5_FLOW_NAMESPACE_KERNEL);
ft_attr->level = MLX5E_TTC_FT_LEVEL;
ft_attr->prio = MLX5E_NIC_PRIO;
for (tt = 0; tt < MLX5_NUM_TT; tt++) {
ttc_params->dests[tt].type = MLX5_FLOW_DESTINATION_TYPE_TIR;
ttc_params->dests[tt].tir_num =
tt == MLX5_TT_ANY ?
mlx5e_rx_res_get_tirn_direct(rx_res, 0) :
mlx5e_rx_res_get_tirn_rss(rx_res, tt);
}
ttc_params->inner_ttc = tunnel;
if (!tunnel || !mlx5_tunnel_inner_ft_supported(fs->mdev))
return;
for (tt = 0; tt < MLX5_NUM_TUNNEL_TT; tt++) {
ttc_params->tunnel_dests[tt].type =
MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE;
ttc_params->tunnel_dests[tt].ft =
mlx5_get_ttc_flow_table(fs->inner_ttc);
}
}
static void mlx5e_del_l2_flow_rule(struct mlx5e_flow_steering *fs,
struct mlx5e_l2_rule *ai)
{
if (!IS_ERR_OR_NULL(ai->rule)) {
mlx5_del_flow_rules(ai->rule);
ai->rule = NULL;
}
}
static int mlx5e_add_l2_flow_rule(struct mlx5e_flow_steering *fs,
struct mlx5e_l2_rule *ai, int type)
{
struct mlx5_flow_table *ft = fs->l2.ft.t;
struct mlx5_flow_destination dest = {};
MLX5_DECLARE_FLOW_ACT(flow_act);
struct mlx5_flow_spec *spec;
int err = 0;
u8 *mc_dmac;
u8 *mv_dmac;
spec = kvzalloc(sizeof(*spec), GFP_KERNEL);
if (!spec)
return -ENOMEM;
mc_dmac = MLX5_ADDR_OF(fte_match_param, spec->match_criteria,
outer_headers.dmac_47_16);
mv_dmac = MLX5_ADDR_OF(fte_match_param, spec->match_value,
outer_headers.dmac_47_16);
dest.type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE;
dest.ft = mlx5_get_ttc_flow_table(fs->ttc);
switch (type) {
case MLX5E_FULLMATCH:
spec->match_criteria_enable = MLX5_MATCH_OUTER_HEADERS;
eth_broadcast_addr(mc_dmac);
ether_addr_copy(mv_dmac, ai->addr);
break;
case MLX5E_ALLMULTI:
spec->match_criteria_enable = MLX5_MATCH_OUTER_HEADERS;
mc_dmac[0] = 0x01;
mv_dmac[0] = 0x01;
break;
}
ai->rule = mlx5_add_flow_rules(ft, spec, &flow_act, &dest, 1);
if (IS_ERR(ai->rule)) {
fs_err(fs, "add l2 rule(mac:%pM) failed\n", mv_dmac);
err = PTR_ERR(ai->rule);
ai->rule = NULL;
}
kvfree(spec);
return err;
}
#define MLX5E_NUM_L2_GROUPS 3
#define MLX5E_L2_GROUP1_SIZE BIT(15)
#define MLX5E_L2_GROUP2_SIZE BIT(0)
#define MLX5E_L2_GROUP_TRAP_SIZE BIT(0) /* must be last */
#define MLX5E_L2_TABLE_SIZE (MLX5E_L2_GROUP1_SIZE +\
MLX5E_L2_GROUP2_SIZE +\
MLX5E_L2_GROUP_TRAP_SIZE)
static int mlx5e_create_l2_table_groups(struct mlx5e_l2_table *l2_table)
{
int inlen = MLX5_ST_SZ_BYTES(create_flow_group_in);
struct mlx5e_flow_table *ft = &l2_table->ft;
int ix = 0;
u8 *mc_dmac;
u32 *in;
int err;
u8 *mc;
ft->g = kcalloc(MLX5E_NUM_L2_GROUPS, sizeof(*ft->g), GFP_KERNEL);
if (!ft->g)
return -ENOMEM;
in = kvzalloc(inlen, GFP_KERNEL);
if (!in) {
kfree(ft->g);
return -ENOMEM;
}
mc = MLX5_ADDR_OF(create_flow_group_in, in, match_criteria);
mc_dmac = MLX5_ADDR_OF(fte_match_param, mc,
outer_headers.dmac_47_16);
/* Flow Group for full match */
eth_broadcast_addr(mc_dmac);
MLX5_SET_CFG(in, match_criteria_enable, MLX5_MATCH_OUTER_HEADERS);
MLX5_SET_CFG(in, start_flow_index, ix);
ix += MLX5E_L2_GROUP1_SIZE;
MLX5_SET_CFG(in, end_flow_index, ix - 1);
ft->g[ft->num_groups] = mlx5_create_flow_group(ft->t, in);
if (IS_ERR(ft->g[ft->num_groups]))
goto err_destroy_groups;
ft->num_groups++;
/* Flow Group for allmulti */
eth_zero_addr(mc_dmac);
mc_dmac[0] = 0x01;
MLX5_SET_CFG(in, start_flow_index, ix);
ix += MLX5E_L2_GROUP2_SIZE;
MLX5_SET_CFG(in, end_flow_index, ix - 1);
ft->g[ft->num_groups] = mlx5_create_flow_group(ft->t, in);
if (IS_ERR(ft->g[ft->num_groups]))
goto err_destroy_groups;
ft->num_groups++;
/* Flow Group for l2 traps */
memset(in, 0, inlen);
MLX5_SET_CFG(in, start_flow_index, ix);
ix += MLX5E_L2_GROUP_TRAP_SIZE;
MLX5_SET_CFG(in, end_flow_index, ix - 1);
ft->g[ft->num_groups] = mlx5_create_flow_group(ft->t, in);
if (IS_ERR(ft->g[ft->num_groups]))
goto err_destroy_groups;
ft->num_groups++;
kvfree(in);
return 0;
err_destroy_groups:
err = PTR_ERR(ft->g[ft->num_groups]);
ft->g[ft->num_groups] = NULL;
mlx5e_destroy_groups(ft);
kvfree(in);
kfree(ft->g);
return err;
}
static void mlx5e_destroy_l2_table(struct mlx5e_flow_steering *fs)
{
mlx5e_destroy_flow_table(&fs->l2.ft);
}
static int mlx5e_create_l2_table(struct mlx5e_flow_steering *fs)
{
struct mlx5e_l2_table *l2_table = &fs->l2;
struct mlx5e_flow_table *ft = &l2_table->ft;
struct mlx5_flow_table_attr ft_attr = {};
int err;
ft->num_groups = 0;
ft_attr.max_fte = MLX5E_L2_TABLE_SIZE;
ft_attr.level = MLX5E_L2_FT_LEVEL;
ft_attr.prio = MLX5E_NIC_PRIO;
ft->t = mlx5_create_flow_table(fs->ns, &ft_attr);
if (IS_ERR(ft->t)) {
err = PTR_ERR(ft->t);
ft->t = NULL;
return err;
}
err = mlx5e_create_l2_table_groups(l2_table);
if (err)
goto err_destroy_flow_table;
return 0;
err_destroy_flow_table:
mlx5_destroy_flow_table(ft->t);
ft->t = NULL;
return err;
}
#define MLX5E_NUM_VLAN_GROUPS 5
#define MLX5E_VLAN_GROUP0_SIZE BIT(12)
#define MLX5E_VLAN_GROUP1_SIZE BIT(12)
#define MLX5E_VLAN_GROUP2_SIZE BIT(1)
#define MLX5E_VLAN_GROUP3_SIZE BIT(0)
#define MLX5E_VLAN_GROUP_TRAP_SIZE BIT(0) /* must be last */
#define MLX5E_VLAN_TABLE_SIZE (MLX5E_VLAN_GROUP0_SIZE +\
MLX5E_VLAN_GROUP1_SIZE +\
MLX5E_VLAN_GROUP2_SIZE +\
MLX5E_VLAN_GROUP3_SIZE +\
MLX5E_VLAN_GROUP_TRAP_SIZE)
static int __mlx5e_create_vlan_table_groups(struct mlx5e_flow_table *ft, u32 *in,
int inlen)
{
int err;
int ix = 0;
u8 *mc = MLX5_ADDR_OF(create_flow_group_in, in, match_criteria);
memset(in, 0, inlen);
MLX5_SET_CFG(in, match_criteria_enable, MLX5_MATCH_OUTER_HEADERS);
MLX5_SET_TO_ONES(fte_match_param, mc, outer_headers.cvlan_tag);
MLX5_SET_TO_ONES(fte_match_param, mc, outer_headers.first_vid);
MLX5_SET_CFG(in, start_flow_index, ix);
ix += MLX5E_VLAN_GROUP0_SIZE;
MLX5_SET_CFG(in, end_flow_index, ix - 1);
ft->g[ft->num_groups] = mlx5_create_flow_group(ft->t, in);
if (IS_ERR(ft->g[ft->num_groups]))
goto err_destroy_groups;
ft->num_groups++;
memset(in, 0, inlen);
MLX5_SET_CFG(in, match_criteria_enable, MLX5_MATCH_OUTER_HEADERS);
MLX5_SET_TO_ONES(fte_match_param, mc, outer_headers.svlan_tag);
MLX5_SET_TO_ONES(fte_match_param, mc, outer_headers.first_vid);
MLX5_SET_CFG(in, start_flow_index, ix);
ix += MLX5E_VLAN_GROUP1_SIZE;
MLX5_SET_CFG(in, end_flow_index, ix - 1);
ft->g[ft->num_groups] = mlx5_create_flow_group(ft->t, in);
if (IS_ERR(ft->g[ft->num_groups]))
goto err_destroy_groups;
ft->num_groups++;
memset(in, 0, inlen);
MLX5_SET_CFG(in, match_criteria_enable, MLX5_MATCH_OUTER_HEADERS);
MLX5_SET_TO_ONES(fte_match_param, mc, outer_headers.cvlan_tag);
MLX5_SET_CFG(in, start_flow_index, ix);
ix += MLX5E_VLAN_GROUP2_SIZE;
MLX5_SET_CFG(in, end_flow_index, ix - 1);
ft->g[ft->num_groups] = mlx5_create_flow_group(ft->t, in);
if (IS_ERR(ft->g[ft->num_groups]))
goto err_destroy_groups;
ft->num_groups++;
memset(in, 0, inlen);
MLX5_SET_CFG(in, match_criteria_enable, MLX5_MATCH_OUTER_HEADERS);
MLX5_SET_TO_ONES(fte_match_param, mc, outer_headers.svlan_tag);
MLX5_SET_CFG(in, start_flow_index, ix);
ix += MLX5E_VLAN_GROUP3_SIZE;
MLX5_SET_CFG(in, end_flow_index, ix - 1);
ft->g[ft->num_groups] = mlx5_create_flow_group(ft->t, in);
if (IS_ERR(ft->g[ft->num_groups]))
goto err_destroy_groups;
ft->num_groups++;
memset(in, 0, inlen);
MLX5_SET_CFG(in, start_flow_index, ix);
ix += MLX5E_VLAN_GROUP_TRAP_SIZE;
MLX5_SET_CFG(in, end_flow_index, ix - 1);
ft->g[ft->num_groups] = mlx5_create_flow_group(ft->t, in);
if (IS_ERR(ft->g[ft->num_groups]))
goto err_destroy_groups;
ft->num_groups++;
return 0;
err_destroy_groups:
err = PTR_ERR(ft->g[ft->num_groups]);
ft->g[ft->num_groups] = NULL;
mlx5e_destroy_groups(ft);
return err;
}
static int mlx5e_create_vlan_table_groups(struct mlx5e_flow_table *ft)
{
u32 *in;
int inlen = MLX5_ST_SZ_BYTES(create_flow_group_in);
int err;
in = kvzalloc(inlen, GFP_KERNEL);
if (!in)
return -ENOMEM;
err = __mlx5e_create_vlan_table_groups(ft, in, inlen);
kvfree(in);
return err;
}
static int mlx5e_fs_create_vlan_table(struct mlx5e_flow_steering *fs)
{
struct mlx5_flow_table_attr ft_attr = {};
struct mlx5e_flow_table *ft;
int err;
ft = &fs->vlan->ft;
ft->num_groups = 0;
ft_attr.max_fte = MLX5E_VLAN_TABLE_SIZE;
ft_attr.level = MLX5E_VLAN_FT_LEVEL;
ft_attr.prio = MLX5E_NIC_PRIO;
ft->t = mlx5_create_flow_table(fs->ns, &ft_attr);
if (IS_ERR(ft->t))
return PTR_ERR(ft->t);
ft->g = kcalloc(MLX5E_NUM_VLAN_GROUPS, sizeof(*ft->g), GFP_KERNEL);
if (!ft->g) {
err = -ENOMEM;
goto err_destroy_vlan_table;
}
err = mlx5e_create_vlan_table_groups(ft);
if (err)
goto err_free_g;
mlx5e_fs_add_vlan_rules(fs);
return 0;
err_free_g:
kfree(ft->g);
err_destroy_vlan_table:
mlx5_destroy_flow_table(ft->t);
return err;
}
static void mlx5e_destroy_vlan_table(struct mlx5e_flow_steering *fs)
{
mlx5e_del_vlan_rules(fs);
mlx5e_destroy_flow_table(&fs->vlan->ft);
}
static void mlx5e_destroy_inner_ttc_table(struct mlx5e_flow_steering *fs)
{
if (!mlx5_tunnel_inner_ft_supported(fs->mdev))
return;
mlx5_destroy_ttc_table(fs->inner_ttc);
}
void mlx5e_destroy_ttc_table(struct mlx5e_flow_steering *fs)
{
mlx5_destroy_ttc_table(fs->ttc);
}
static int mlx5e_create_inner_ttc_table(struct mlx5e_flow_steering *fs,
struct mlx5e_rx_res *rx_res)
{
struct ttc_params ttc_params = {};
if (!mlx5_tunnel_inner_ft_supported(fs->mdev))
return 0;
mlx5e_set_inner_ttc_params(fs, rx_res, &ttc_params);
fs->inner_ttc = mlx5_create_inner_ttc_table(fs->mdev,
&ttc_params);
if (IS_ERR(fs->inner_ttc))
return PTR_ERR(fs->inner_ttc);
return 0;
}
int mlx5e_create_ttc_table(struct mlx5e_flow_steering *fs,
struct mlx5e_rx_res *rx_res)
{
struct ttc_params ttc_params = {};
mlx5e_set_ttc_params(fs, rx_res, &ttc_params, true);
fs->ttc = mlx5_create_ttc_table(fs->mdev, &ttc_params);
if (IS_ERR(fs->ttc))
return PTR_ERR(fs->ttc);
return 0;
}
int mlx5e_create_flow_steering(struct mlx5e_flow_steering *fs,
struct mlx5e_rx_res *rx_res,
const struct mlx5e_profile *profile,
struct net_device *netdev)
{
struct mlx5_flow_namespace *ns = mlx5_get_flow_namespace(fs->mdev,
MLX5_FLOW_NAMESPACE_KERNEL);
int err;
if (!ns)
return -EOPNOTSUPP;
mlx5e_fs_set_ns(fs, ns, false);
err = mlx5e_arfs_create_tables(fs, rx_res,
!!(netdev->hw_features & NETIF_F_NTUPLE));
if (err) {
fs_err(fs, "Failed to create arfs tables, err=%d\n", err);
netdev->hw_features &= ~NETIF_F_NTUPLE;
}
err = mlx5e_create_inner_ttc_table(fs, rx_res);
if (err) {
fs_err(fs, "Failed to create inner ttc table, err=%d\n", err);
goto err_destroy_arfs_tables;
}
err = mlx5e_create_ttc_table(fs, rx_res);
if (err) {
fs_err(fs, "Failed to create ttc table, err=%d\n", err);
goto err_destroy_inner_ttc_table;
}
err = mlx5e_create_l2_table(fs);
if (err) {
fs_err(fs, "Failed to create l2 table, err=%d\n", err);
goto err_destroy_ttc_table;
}
err = mlx5e_fs_create_vlan_table(fs);
if (err) {
fs_err(fs, "Failed to create vlan table, err=%d\n", err);
goto err_destroy_l2_table;
}
err = mlx5e_ptp_alloc_rx_fs(fs, profile);
if (err)
goto err_destory_vlan_table;
mlx5e_ethtool_init_steering(fs);
return 0;
err_destory_vlan_table:
mlx5e_destroy_vlan_table(fs);
err_destroy_l2_table:
mlx5e_destroy_l2_table(fs);
err_destroy_ttc_table:
mlx5e_destroy_ttc_table(fs);
err_destroy_inner_ttc_table:
mlx5e_destroy_inner_ttc_table(fs);
err_destroy_arfs_tables:
mlx5e_arfs_destroy_tables(fs, !!(netdev->hw_features & NETIF_F_NTUPLE));
return err;
}
void mlx5e_destroy_flow_steering(struct mlx5e_flow_steering *fs, bool ntuple,
const struct mlx5e_profile *profile)
{
mlx5e_ptp_free_rx_fs(fs, profile);
mlx5e_destroy_vlan_table(fs);
mlx5e_destroy_l2_table(fs);
mlx5e_destroy_ttc_table(fs);
mlx5e_destroy_inner_ttc_table(fs);
mlx5e_arfs_destroy_tables(fs, ntuple);
mlx5e_ethtool_cleanup_steering(fs);
}
static int mlx5e_fs_vlan_alloc(struct mlx5e_flow_steering *fs)
{
fs->vlan = kvzalloc(sizeof(*fs->vlan), GFP_KERNEL);
if (!fs->vlan)
return -ENOMEM;
return 0;
}
static void mlx5e_fs_vlan_free(struct mlx5e_flow_steering *fs)
{
kvfree(fs->vlan);
}
struct mlx5e_vlan_table *mlx5e_fs_get_vlan(struct mlx5e_flow_steering *fs)
{
return fs->vlan;
}
static int mlx5e_fs_tc_alloc(struct mlx5e_flow_steering *fs)
{
fs->tc = mlx5e_tc_table_alloc();
if (IS_ERR(fs->tc))
return -ENOMEM;
return 0;
}
static void mlx5e_fs_tc_free(struct mlx5e_flow_steering *fs)
{
mlx5e_tc_table_free(fs->tc);
}
struct mlx5e_tc_table *mlx5e_fs_get_tc(struct mlx5e_flow_steering *fs)
{
return fs->tc;
}
#ifdef CONFIG_MLX5_EN_RXNFC
static int mlx5e_fs_ethtool_alloc(struct mlx5e_flow_steering *fs)
{
return mlx5e_ethtool_alloc(&fs->ethtool);
}
static void mlx5e_fs_ethtool_free(struct mlx5e_flow_steering *fs)
{
mlx5e_ethtool_free(fs->ethtool);
}
struct mlx5e_ethtool_steering *mlx5e_fs_get_ethtool(struct mlx5e_flow_steering *fs)
{
return fs->ethtool;
}
#else
static int mlx5e_fs_ethtool_alloc(struct mlx5e_flow_steering *fs)
{ return 0; }
static void mlx5e_fs_ethtool_free(struct mlx5e_flow_steering *fs) { }
#endif
static void mlx5e_fs_debugfs_init(struct mlx5e_flow_steering *fs,
struct dentry *dfs_root)
{
if (IS_ERR_OR_NULL(dfs_root))
return;
fs->dfs_root = debugfs_create_dir("fs", dfs_root);
}
struct mlx5e_flow_steering *mlx5e_fs_init(const struct mlx5e_profile *profile,
struct mlx5_core_dev *mdev,
bool state_destroy,
struct dentry *dfs_root)
{
struct mlx5e_flow_steering *fs;
int err;
fs = kvzalloc(sizeof(*fs), GFP_KERNEL);
if (!fs)
goto err;
fs->mdev = mdev;
fs->state_destroy = state_destroy;
if (mlx5e_profile_feature_cap(profile, FS_VLAN)) {
err = mlx5e_fs_vlan_alloc(fs);
if (err)
goto err_free_fs;
}
if (mlx5e_profile_feature_cap(profile, FS_TC)) {
err = mlx5e_fs_tc_alloc(fs);
if (err)
goto err_free_vlan;
}
err = mlx5e_fs_ethtool_alloc(fs);
if (err)
goto err_free_tc;
mlx5e_fs_debugfs_init(fs, dfs_root);
return fs;
err_free_tc:
mlx5e_fs_tc_free(fs);
err_free_vlan:
mlx5e_fs_vlan_free(fs);
err_free_fs:
kvfree(fs);
err:
return NULL;
}
void mlx5e_fs_cleanup(struct mlx5e_flow_steering *fs)
{
if (!fs)
return;
debugfs_remove_recursive(fs->dfs_root);
mlx5e_fs_ethtool_free(fs);
mlx5e_fs_tc_free(fs);
mlx5e_fs_vlan_free(fs);
kvfree(fs);
}
struct mlx5e_l2_table *mlx5e_fs_get_l2(struct mlx5e_flow_steering *fs)
{
return &fs->l2;
}
struct mlx5_flow_namespace *mlx5e_fs_get_ns(struct mlx5e_flow_steering *fs, bool egress)
{
return egress ? fs->egress_ns : fs->ns;
}
void mlx5e_fs_set_ns(struct mlx5e_flow_steering *fs, struct mlx5_flow_namespace *ns, bool egress)
{
if (!egress)
fs->ns = ns;
else
fs->egress_ns = ns;
}
struct mlx5_ttc_table *mlx5e_fs_get_ttc(struct mlx5e_flow_steering *fs, bool inner)
{
return inner ? fs->inner_ttc : fs->ttc;
}
void mlx5e_fs_set_ttc(struct mlx5e_flow_steering *fs, struct mlx5_ttc_table *ttc, bool inner)
{
if (!inner)
fs->ttc = ttc;
else
fs->inner_ttc = ttc;
}
#ifdef CONFIG_MLX5_EN_ARFS
struct mlx5e_arfs_tables *mlx5e_fs_get_arfs(struct mlx5e_flow_steering *fs)
{
return fs->arfs;
}
void mlx5e_fs_set_arfs(struct mlx5e_flow_steering *fs, struct mlx5e_arfs_tables *arfs)
{
fs->arfs = arfs;
}
#endif
struct mlx5e_ptp_fs *mlx5e_fs_get_ptp(struct mlx5e_flow_steering *fs)
{
return fs->ptp_fs;
}
void mlx5e_fs_set_ptp(struct mlx5e_flow_steering *fs, struct mlx5e_ptp_fs *ptp_fs)
{
fs->ptp_fs = ptp_fs;
}
struct mlx5e_fs_any *mlx5e_fs_get_any(struct mlx5e_flow_steering *fs)
{
return fs->any;
}
void mlx5e_fs_set_any(struct mlx5e_flow_steering *fs, struct mlx5e_fs_any *any)
{
fs->any = any;
}
#ifdef CONFIG_MLX5_EN_TLS
struct mlx5e_accel_fs_tcp *mlx5e_fs_get_accel_tcp(struct mlx5e_flow_steering *fs)
{
return fs->accel_tcp;
}
void mlx5e_fs_set_accel_tcp(struct mlx5e_flow_steering *fs, struct mlx5e_accel_fs_tcp *accel_tcp)
{
fs->accel_tcp = accel_tcp;
}
#endif
void mlx5e_fs_set_state_destroy(struct mlx5e_flow_steering *fs, bool state_destroy)
{
fs->state_destroy = state_destroy;
}
void mlx5e_fs_set_vlan_strip_disable(struct mlx5e_flow_steering *fs,
bool vlan_strip_disable)
{
fs->vlan_strip_disable = vlan_strip_disable;
}
struct mlx5e_fs_udp *mlx5e_fs_get_udp(struct mlx5e_flow_steering *fs)
{
return fs->udp;
}
void mlx5e_fs_set_udp(struct mlx5e_flow_steering *fs, struct mlx5e_fs_udp *udp)
{
fs->udp = udp;
}
struct mlx5_core_dev *mlx5e_fs_get_mdev(struct mlx5e_flow_steering *fs)
{
return fs->mdev;
}
