diff options
Diffstat (limited to 'drivers/net/ethernet/marvell/octeontx2/nic/otx2_tc.c')
-rw-r--r-- | drivers/net/ethernet/marvell/octeontx2/nic/otx2_tc.c | 470 |
1 files changed, 334 insertions, 136 deletions
diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_tc.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_tc.c index 5e56b6c3e60a..fab9d85bfb37 100644 --- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_tc.c +++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_tc.c @@ -34,9 +34,8 @@ struct otx2_tc_flow_stats { }; struct otx2_tc_flow { - struct rhash_head node; + struct list_head list; unsigned long cookie; - unsigned int bitpos; struct rcu_head rcu; struct otx2_tc_flow_stats stats; spinlock_t lock; /* lock for stats */ @@ -44,31 +43,10 @@ struct otx2_tc_flow { u16 entry; u16 leaf_profile; bool is_act_police; + u32 prio; + struct npc_install_flow_req req; }; -int otx2_tc_alloc_ent_bitmap(struct otx2_nic *nic) -{ - struct otx2_tc_info *tc = &nic->tc_info; - - if (!nic->flow_cfg->max_flows) - return 0; - - /* Max flows changed, free the existing bitmap */ - kfree(tc->tc_entries_bitmap); - - tc->tc_entries_bitmap = - kcalloc(BITS_TO_LONGS(nic->flow_cfg->max_flows), - sizeof(long), GFP_KERNEL); - if (!tc->tc_entries_bitmap) { - netdev_err(nic->netdev, - "Unable to alloc TC flow entries bitmap\n"); - return -ENOMEM; - } - - return 0; -} -EXPORT_SYMBOL(otx2_tc_alloc_ent_bitmap); - static void otx2_get_egress_burst_cfg(struct otx2_nic *nic, u32 burst, u32 *burst_exp, u32 *burst_mantissa) { @@ -461,6 +439,62 @@ static int otx2_tc_parse_actions(struct otx2_nic *nic, return 0; } +static int otx2_tc_process_vlan(struct otx2_nic *nic, struct flow_msg *flow_spec, + struct flow_msg *flow_mask, struct flow_rule *rule, + struct npc_install_flow_req *req, bool is_inner) +{ + struct flow_match_vlan match; + u16 vlan_tci, vlan_tci_mask; + + if (is_inner) + flow_rule_match_cvlan(rule, &match); + else + flow_rule_match_vlan(rule, &match); + + if (!eth_type_vlan(match.key->vlan_tpid)) { + netdev_err(nic->netdev, "vlan tpid 0x%x not supported\n", + ntohs(match.key->vlan_tpid)); + return -EOPNOTSUPP; + } + + if (!match.mask->vlan_id) { + struct flow_action_entry *act; + int i; + + flow_action_for_each(i, act, &rule->action) { + if (act->id == FLOW_ACTION_DROP) { + netdev_err(nic->netdev, + "vlan tpid 0x%x with vlan_id %d is not supported for DROP rule.\n", + ntohs(match.key->vlan_tpid), match.key->vlan_id); + return -EOPNOTSUPP; + } + } + } + + if (match.mask->vlan_id || + match.mask->vlan_dei || + match.mask->vlan_priority) { + vlan_tci = match.key->vlan_id | + match.key->vlan_dei << 12 | + match.key->vlan_priority << 13; + + vlan_tci_mask = match.mask->vlan_id | + match.mask->vlan_dei << 12 | + match.mask->vlan_priority << 13; + if (is_inner) { + flow_spec->vlan_itci = htons(vlan_tci); + flow_mask->vlan_itci = htons(vlan_tci_mask); + req->features |= BIT_ULL(NPC_INNER_VID); + } else { + flow_spec->vlan_tci = htons(vlan_tci); + flow_mask->vlan_tci = htons(vlan_tci_mask); + req->features |= BIT_ULL(NPC_OUTER_VID); + } + } + + return 0; +} + static int otx2_tc_prepare_flow(struct otx2_nic *nic, struct otx2_tc_flow *node, struct flow_cls_offload *f, struct npc_install_flow_req *req) @@ -476,15 +510,17 @@ static int otx2_tc_prepare_flow(struct otx2_nic *nic, struct otx2_tc_flow *node, dissector = rule->match.dissector; if ((dissector->used_keys & - ~(BIT(FLOW_DISSECTOR_KEY_CONTROL) | - BIT(FLOW_DISSECTOR_KEY_BASIC) | - BIT(FLOW_DISSECTOR_KEY_ETH_ADDRS) | - BIT(FLOW_DISSECTOR_KEY_VLAN) | - BIT(FLOW_DISSECTOR_KEY_IPV4_ADDRS) | - BIT(FLOW_DISSECTOR_KEY_IPV6_ADDRS) | - BIT(FLOW_DISSECTOR_KEY_PORTS) | - BIT(FLOW_DISSECTOR_KEY_IP)))) { - netdev_info(nic->netdev, "unsupported flow used key 0x%x", + ~(BIT_ULL(FLOW_DISSECTOR_KEY_CONTROL) | + BIT_ULL(FLOW_DISSECTOR_KEY_BASIC) | + BIT_ULL(FLOW_DISSECTOR_KEY_ETH_ADDRS) | + BIT_ULL(FLOW_DISSECTOR_KEY_VLAN) | + BIT(FLOW_DISSECTOR_KEY_CVLAN) | + BIT_ULL(FLOW_DISSECTOR_KEY_IPV4_ADDRS) | + BIT_ULL(FLOW_DISSECTOR_KEY_IPV6_ADDRS) | + BIT_ULL(FLOW_DISSECTOR_KEY_PORTS) | + BIT(FLOW_DISSECTOR_KEY_IPSEC) | + BIT_ULL(FLOW_DISSECTOR_KEY_IP)))) { + netdev_info(nic->netdev, "unsupported flow used key 0x%llx", dissector->used_keys); return -EOPNOTSUPP; } @@ -504,6 +540,8 @@ static int otx2_tc_prepare_flow(struct otx2_nic *nic, struct otx2_tc_flow *node, match.key->ip_proto != IPPROTO_UDP && match.key->ip_proto != IPPROTO_SCTP && match.key->ip_proto != IPPROTO_ICMP && + match.key->ip_proto != IPPROTO_ESP && + match.key->ip_proto != IPPROTO_AH && match.key->ip_proto != IPPROTO_ICMPV6)) { netdev_info(nic->netdev, "ip_proto=0x%x not supported\n", @@ -523,6 +561,10 @@ static int otx2_tc_prepare_flow(struct otx2_nic *nic, struct otx2_tc_flow *node, req->features |= BIT_ULL(NPC_IPPROTO_ICMP); else if (ip_proto == IPPROTO_ICMPV6) req->features |= BIT_ULL(NPC_IPPROTO_ICMP6); + else if (ip_proto == IPPROTO_ESP) + req->features |= BIT_ULL(NPC_IPPROTO_ESP); + else if (ip_proto == IPPROTO_AH) + req->features |= BIT_ULL(NPC_IPPROTO_AH); } if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CONTROL)) { @@ -567,6 +609,26 @@ static int otx2_tc_prepare_flow(struct otx2_nic *nic, struct otx2_tc_flow *node, } } + if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_IPSEC)) { + struct flow_match_ipsec match; + + flow_rule_match_ipsec(rule, &match); + if (!match.mask->spi) { + NL_SET_ERR_MSG_MOD(extack, "spi index not specified"); + return -EOPNOTSUPP; + } + if (ip_proto != IPPROTO_ESP && + ip_proto != IPPROTO_AH) { + NL_SET_ERR_MSG_MOD(extack, + "SPI index is valid only for ESP/AH proto"); + return -EOPNOTSUPP; + } + + flow_spec->spi = match.key->spi; + flow_mask->spi = match.mask->spi; + req->features |= BIT_ULL(NPC_IPSEC_SPI); + } + if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_IP)) { struct flow_match_ip match; @@ -586,47 +648,19 @@ static int otx2_tc_prepare_flow(struct otx2_nic *nic, struct otx2_tc_flow *node, } if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_VLAN)) { - struct flow_match_vlan match; - u16 vlan_tci, vlan_tci_mask; - - flow_rule_match_vlan(rule, &match); - - if (ntohs(match.key->vlan_tpid) != ETH_P_8021Q) { - netdev_err(nic->netdev, "vlan tpid 0x%x not supported\n", - ntohs(match.key->vlan_tpid)); - return -EOPNOTSUPP; - } + int ret; - if (!match.mask->vlan_id) { - struct flow_action_entry *act; - int i; - - flow_action_for_each(i, act, &rule->action) { - if (act->id == FLOW_ACTION_DROP) { - netdev_err(nic->netdev, - "vlan tpid 0x%x with vlan_id %d is not supported for DROP rule.\n", - ntohs(match.key->vlan_tpid), - match.key->vlan_id); - return -EOPNOTSUPP; - } - } - } - - if (match.mask->vlan_id || - match.mask->vlan_dei || - match.mask->vlan_priority) { - vlan_tci = match.key->vlan_id | - match.key->vlan_dei << 12 | - match.key->vlan_priority << 13; + ret = otx2_tc_process_vlan(nic, flow_spec, flow_mask, rule, req, false); + if (ret) + return ret; + } - vlan_tci_mask = match.mask->vlan_id | - match.mask->vlan_dei << 12 | - match.mask->vlan_priority << 13; + if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CVLAN)) { + int ret; - flow_spec->vlan_tci = htons(vlan_tci); - flow_mask->vlan_tci = htons(vlan_tci_mask); - req->features |= BIT_ULL(NPC_OUTER_VID); - } + ret = otx2_tc_process_vlan(nic, flow_spec, flow_mask, rule, req, true); + if (ret) + return ret; } if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_IPV4_ADDRS)) { @@ -707,8 +741,117 @@ static int otx2_tc_prepare_flow(struct otx2_nic *nic, struct otx2_tc_flow *node, return otx2_tc_parse_actions(nic, &rule->action, req, f, node); } -static int otx2_del_mcam_flow_entry(struct otx2_nic *nic, u16 entry) +static void otx2_destroy_tc_flow_list(struct otx2_nic *pfvf) +{ + struct otx2_flow_config *flow_cfg = pfvf->flow_cfg; + struct otx2_tc_flow *iter, *tmp; + + if (!(pfvf->flags & OTX2_FLAG_MCAM_ENTRIES_ALLOC)) + return; + + list_for_each_entry_safe(iter, tmp, &flow_cfg->flow_list_tc, list) { + list_del(&iter->list); + kfree(iter); + flow_cfg->nr_flows--; + } +} + +static struct otx2_tc_flow *otx2_tc_get_entry_by_cookie(struct otx2_flow_config *flow_cfg, + unsigned long cookie) { + struct otx2_tc_flow *tmp; + + list_for_each_entry(tmp, &flow_cfg->flow_list_tc, list) { + if (tmp->cookie == cookie) + return tmp; + } + + return NULL; +} + +static struct otx2_tc_flow *otx2_tc_get_entry_by_index(struct otx2_flow_config *flow_cfg, + int index) +{ + struct otx2_tc_flow *tmp; + int i = 0; + + list_for_each_entry(tmp, &flow_cfg->flow_list_tc, list) { + if (i == index) + return tmp; + i++; + } + + return NULL; +} + +static void otx2_tc_del_from_flow_list(struct otx2_flow_config *flow_cfg, + struct otx2_tc_flow *node) +{ + struct list_head *pos, *n; + struct otx2_tc_flow *tmp; + + list_for_each_safe(pos, n, &flow_cfg->flow_list_tc) { + tmp = list_entry(pos, struct otx2_tc_flow, list); + if (node == tmp) { + list_del(&node->list); + return; + } + } +} + +static int otx2_tc_add_to_flow_list(struct otx2_flow_config *flow_cfg, + struct otx2_tc_flow *node) +{ + struct list_head *pos, *n; + struct otx2_tc_flow *tmp; + int index = 0; + + /* If the flow list is empty then add the new node */ + if (list_empty(&flow_cfg->flow_list_tc)) { + list_add(&node->list, &flow_cfg->flow_list_tc); + return index; + } + + list_for_each_safe(pos, n, &flow_cfg->flow_list_tc) { + tmp = list_entry(pos, struct otx2_tc_flow, list); + if (node->prio < tmp->prio) + break; + index++; + } + + list_add(&node->list, pos->prev); + return index; +} + +static int otx2_add_mcam_flow_entry(struct otx2_nic *nic, struct npc_install_flow_req *req) +{ + struct npc_install_flow_req *tmp_req; + int err; + + mutex_lock(&nic->mbox.lock); + tmp_req = otx2_mbox_alloc_msg_npc_install_flow(&nic->mbox); + if (!tmp_req) { + mutex_unlock(&nic->mbox.lock); + return -ENOMEM; + } + + memcpy(tmp_req, req, sizeof(struct npc_install_flow_req)); + /* Send message to AF */ + err = otx2_sync_mbox_msg(&nic->mbox); + if (err) { + netdev_err(nic->netdev, "Failed to install MCAM flow entry %d\n", + req->entry); + mutex_unlock(&nic->mbox.lock); + return -EFAULT; + } + + mutex_unlock(&nic->mbox.lock); + return 0; +} + +static int otx2_del_mcam_flow_entry(struct otx2_nic *nic, u16 entry, u16 *cntr_val) +{ + struct npc_delete_flow_rsp *rsp; struct npc_delete_flow_req *req; int err; @@ -729,22 +872,113 @@ static int otx2_del_mcam_flow_entry(struct otx2_nic *nic, u16 entry) mutex_unlock(&nic->mbox.lock); return -EFAULT; } + + if (cntr_val) { + rsp = (struct npc_delete_flow_rsp *)otx2_mbox_get_rsp(&nic->mbox.mbox, + 0, &req->hdr); + if (IS_ERR(rsp)) { + netdev_err(nic->netdev, "Failed to get MCAM delete response for entry %d\n", + entry); + mutex_unlock(&nic->mbox.lock); + return -EFAULT; + } + + *cntr_val = rsp->cntr_val; + } + mutex_unlock(&nic->mbox.lock); + return 0; +} + +static int otx2_tc_update_mcam_table_del_req(struct otx2_nic *nic, + struct otx2_flow_config *flow_cfg, + struct otx2_tc_flow *node) +{ + struct list_head *pos, *n; + struct otx2_tc_flow *tmp; + int i = 0, index = 0; + u16 cntr_val = 0; + + /* Find and delete the entry from the list and re-install + * all the entries from beginning to the index of the + * deleted entry to higher mcam indexes. + */ + list_for_each_safe(pos, n, &flow_cfg->flow_list_tc) { + tmp = list_entry(pos, struct otx2_tc_flow, list); + if (node == tmp) { + list_del(&tmp->list); + break; + } + + otx2_del_mcam_flow_entry(nic, tmp->entry, &cntr_val); + tmp->entry++; + tmp->req.entry = tmp->entry; + tmp->req.cntr_val = cntr_val; + index++; + } + + list_for_each_safe(pos, n, &flow_cfg->flow_list_tc) { + if (i == index) + break; + + tmp = list_entry(pos, struct otx2_tc_flow, list); + otx2_add_mcam_flow_entry(nic, &tmp->req); + i++; + } return 0; } +static int otx2_tc_update_mcam_table_add_req(struct otx2_nic *nic, + struct otx2_flow_config *flow_cfg, + struct otx2_tc_flow *node) +{ + int mcam_idx = flow_cfg->max_flows - flow_cfg->nr_flows - 1; + struct otx2_tc_flow *tmp; + int list_idx, i; + u16 cntr_val = 0; + + /* Find the index of the entry(list_idx) whose priority + * is greater than the new entry and re-install all + * the entries from beginning to list_idx to higher + * mcam indexes. + */ + list_idx = otx2_tc_add_to_flow_list(flow_cfg, node); + for (i = 0; i < list_idx; i++) { + tmp = otx2_tc_get_entry_by_index(flow_cfg, i); + if (!tmp) + return -ENOMEM; + + otx2_del_mcam_flow_entry(nic, tmp->entry, &cntr_val); + tmp->entry = flow_cfg->flow_ent[mcam_idx]; + tmp->req.entry = tmp->entry; + tmp->req.cntr_val = cntr_val; + otx2_add_mcam_flow_entry(nic, &tmp->req); + mcam_idx++; + } + + return mcam_idx; +} + +static int otx2_tc_update_mcam_table(struct otx2_nic *nic, + struct otx2_flow_config *flow_cfg, + struct otx2_tc_flow *node, + bool add_req) +{ + if (add_req) + return otx2_tc_update_mcam_table_add_req(nic, flow_cfg, node); + + return otx2_tc_update_mcam_table_del_req(nic, flow_cfg, node); +} + static int otx2_tc_del_flow(struct otx2_nic *nic, struct flow_cls_offload *tc_flow_cmd) { struct otx2_flow_config *flow_cfg = nic->flow_cfg; - struct otx2_tc_info *tc_info = &nic->tc_info; struct otx2_tc_flow *flow_node; int err; - flow_node = rhashtable_lookup_fast(&tc_info->flow_table, - &tc_flow_cmd->cookie, - tc_info->flow_ht_params); + flow_node = otx2_tc_get_entry_by_cookie(flow_cfg, tc_flow_cmd->cookie); if (!flow_node) { netdev_err(nic->netdev, "tc flow not found for cookie 0x%lx\n", tc_flow_cmd->cookie); @@ -772,16 +1006,10 @@ static int otx2_tc_del_flow(struct otx2_nic *nic, mutex_unlock(&nic->mbox.lock); } - otx2_del_mcam_flow_entry(nic, flow_node->entry); - - WARN_ON(rhashtable_remove_fast(&nic->tc_info.flow_table, - &flow_node->node, - nic->tc_info.flow_ht_params)); + otx2_del_mcam_flow_entry(nic, flow_node->entry, NULL); + otx2_tc_update_mcam_table(nic, flow_cfg, flow_node, false); kfree_rcu(flow_node, rcu); - - clear_bit(flow_node->bitpos, tc_info->tc_entries_bitmap); flow_cfg->nr_flows--; - return 0; } @@ -790,15 +1018,14 @@ static int otx2_tc_add_flow(struct otx2_nic *nic, { struct netlink_ext_ack *extack = tc_flow_cmd->common.extack; struct otx2_flow_config *flow_cfg = nic->flow_cfg; - struct otx2_tc_info *tc_info = &nic->tc_info; struct otx2_tc_flow *new_node, *old_node; struct npc_install_flow_req *req, dummy; - int rc, err; + int rc, err, mcam_idx; if (!(nic->flags & OTX2_FLAG_TC_FLOWER_SUPPORT)) return -ENOMEM; - if (bitmap_full(tc_info->tc_entries_bitmap, flow_cfg->max_flows)) { + if (flow_cfg->nr_flows == flow_cfg->max_flows) { NL_SET_ERR_MSG_MOD(extack, "Free MCAM entry not available to add the flow"); return -ENOMEM; @@ -810,6 +1037,7 @@ static int otx2_tc_add_flow(struct otx2_nic *nic, return -ENOMEM; spin_lock_init(&new_node->lock); new_node->cookie = tc_flow_cmd->cookie; + new_node->prio = tc_flow_cmd->common.prio; memset(&dummy, 0, sizeof(struct npc_install_flow_req)); @@ -820,12 +1048,11 @@ static int otx2_tc_add_flow(struct otx2_nic *nic, } /* If a flow exists with the same cookie, delete it */ - old_node = rhashtable_lookup_fast(&tc_info->flow_table, - &tc_flow_cmd->cookie, - tc_info->flow_ht_params); + old_node = otx2_tc_get_entry_by_cookie(flow_cfg, tc_flow_cmd->cookie); if (old_node) otx2_tc_del_flow(nic, tc_flow_cmd); + mcam_idx = otx2_tc_update_mcam_table(nic, flow_cfg, new_node, true); mutex_lock(&nic->mbox.lock); req = otx2_mbox_alloc_msg_npc_install_flow(&nic->mbox); if (!req) { @@ -836,11 +1063,8 @@ static int otx2_tc_add_flow(struct otx2_nic *nic, memcpy(&dummy.hdr, &req->hdr, sizeof(struct mbox_msghdr)); memcpy(req, &dummy, sizeof(struct npc_install_flow_req)); - - new_node->bitpos = find_first_zero_bit(tc_info->tc_entries_bitmap, - flow_cfg->max_flows); req->channel = nic->hw.rx_chan_base; - req->entry = flow_cfg->flow_ent[flow_cfg->max_flows - new_node->bitpos - 1]; + req->entry = flow_cfg->flow_ent[mcam_idx]; req->intf = NIX_INTF_RX; req->set_cntr = 1; new_node->entry = req->entry; @@ -850,26 +1074,18 @@ static int otx2_tc_add_flow(struct otx2_nic *nic, if (rc) { NL_SET_ERR_MSG_MOD(extack, "Failed to install MCAM flow entry"); mutex_unlock(&nic->mbox.lock); - kfree_rcu(new_node, rcu); goto free_leaf; } - mutex_unlock(&nic->mbox.lock); - /* add new flow to flow-table */ - rc = rhashtable_insert_fast(&nic->tc_info.flow_table, &new_node->node, - nic->tc_info.flow_ht_params); - if (rc) { - otx2_del_mcam_flow_entry(nic, req->entry); - kfree_rcu(new_node, rcu); - goto free_leaf; - } + mutex_unlock(&nic->mbox.lock); + memcpy(&new_node->req, req, sizeof(struct npc_install_flow_req)); - set_bit(new_node->bitpos, tc_info->tc_entries_bitmap); flow_cfg->nr_flows++; - return 0; free_leaf: + otx2_tc_del_from_flow_list(flow_cfg, new_node); + kfree_rcu(new_node, rcu); if (new_node->is_act_police) { mutex_lock(&nic->mbox.lock); @@ -896,16 +1112,13 @@ free_leaf: static int otx2_tc_get_flow_stats(struct otx2_nic *nic, struct flow_cls_offload *tc_flow_cmd) { - struct otx2_tc_info *tc_info = &nic->tc_info; struct npc_mcam_get_stats_req *req; struct npc_mcam_get_stats_rsp *rsp; struct otx2_tc_flow_stats *stats; struct otx2_tc_flow *flow_node; int err; - flow_node = rhashtable_lookup_fast(&tc_info->flow_table, - &tc_flow_cmd->cookie, - tc_info->flow_ht_params); + flow_node = otx2_tc_get_entry_by_cookie(nic->flow_cfg, tc_flow_cmd->cookie); if (!flow_node) { netdev_info(nic->netdev, "tc flow not found for cookie %lx", tc_flow_cmd->cookie); @@ -1053,12 +1266,20 @@ static int otx2_setup_tc_block_ingress_cb(enum tc_setup_type type, void *type_data, void *cb_priv) { struct otx2_nic *nic = cb_priv; + bool ntuple; if (!tc_cls_can_offload_and_chain0(nic->netdev, type_data)) return -EOPNOTSUPP; + ntuple = nic->netdev->features & NETIF_F_NTUPLE; switch (type) { case TC_SETUP_CLSFLOWER: + if (ntuple) { + netdev_warn(nic->netdev, + "Can't install TC flower offload rule when NTUPLE is active"); + return -EOPNOTSUPP; + } + return otx2_setup_tc_cls_flower(nic, type_data); case TC_SETUP_CLSMATCHALL: return otx2_setup_tc_ingress_matchall(nic, type_data); @@ -1143,18 +1364,8 @@ int otx2_setup_tc(struct net_device *netdev, enum tc_setup_type type, } EXPORT_SYMBOL(otx2_setup_tc); -static const struct rhashtable_params tc_flow_ht_params = { - .head_offset = offsetof(struct otx2_tc_flow, node), - .key_offset = offsetof(struct otx2_tc_flow, cookie), - .key_len = sizeof(((struct otx2_tc_flow *)0)->cookie), - .automatic_shrinking = true, -}; - int otx2_init_tc(struct otx2_nic *nic) { - struct otx2_tc_info *tc = &nic->tc_info; - int err; - /* Exclude receive queue 0 being used for police action */ set_bit(0, &nic->rq_bmap); @@ -1164,25 +1375,12 @@ int otx2_init_tc(struct otx2_nic *nic) return -EINVAL; } - err = otx2_tc_alloc_ent_bitmap(nic); - if (err) - return err; - - tc->flow_ht_params = tc_flow_ht_params; - err = rhashtable_init(&tc->flow_table, &tc->flow_ht_params); - if (err) { - kfree(tc->tc_entries_bitmap); - tc->tc_entries_bitmap = NULL; - } - return err; + return 0; } EXPORT_SYMBOL(otx2_init_tc); void otx2_shutdown_tc(struct otx2_nic *nic) { - struct otx2_tc_info *tc = &nic->tc_info; - - kfree(tc->tc_entries_bitmap); - rhashtable_destroy(&tc->flow_table); + otx2_destroy_tc_flow_list(nic); } EXPORT_SYMBOL(otx2_shutdown_tc); |