diff options
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5/core/en_fs.c')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/en_fs.c | 1582 |
1 files changed, 1582 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_fs.c b/drivers/net/ethernet/mellanox/mlx5/core/en_fs.c new file mode 100644 index 000000000..eba601487 --- /dev/null +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_fs.c @@ -0,0 +1,1582 @@ +/* + * 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/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; +}; + +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]; +} + +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, "%s: add rule failed\n", __func__); + } + + 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, "%s: add VLAN trap rule failed, err %d\n", + __func__, 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, "%s: add MAC trap rule failed, err %d\n", + __func__, 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, "%s: add promiscuous rule failed\n", __func__); + } + 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, "%s: add l2 rule(mac:%pM) failed\n", __func__, 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 + +struct mlx5e_flow_steering *mlx5e_fs_init(const struct mlx5e_profile *profile, + struct mlx5_core_dev *mdev, + bool state_destroy) +{ + 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; + + 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; + 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; +} |