| /* |
| * 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/etherdevice.h> |
| #include <linux/mlx5/driver.h> |
| #include <linux/mlx5/mlx5_ifc.h> |
| #include <linux/mlx5/vport.h> |
| #include <linux/mlx5/fs.h> |
| #include <linux/mlx5/mpfs.h> |
| #include "esw/acl/lgcy.h" |
| #include "esw/legacy.h" |
| #include "esw/qos.h" |
| #include "mlx5_core.h" |
| #include "lib/eq.h" |
| #include "eswitch.h" |
| #include "fs_core.h" |
| #include "devlink.h" |
| #include "ecpf.h" |
| #include "en/mod_hdr.h" |
| |
| enum { |
| MLX5_ACTION_NONE = 0, |
| MLX5_ACTION_ADD = 1, |
| MLX5_ACTION_DEL = 2, |
| }; |
| |
| /* Vport UC/MC hash node */ |
| struct vport_addr { |
| struct l2addr_node node; |
| u8 action; |
| u16 vport; |
| struct mlx5_flow_handle *flow_rule; |
| bool mpfs; /* UC MAC was added to MPFs */ |
| /* A flag indicating that mac was added due to mc promiscuous vport */ |
| bool mc_promisc; |
| }; |
| |
| static int mlx5_eswitch_check(const struct mlx5_core_dev *dev) |
| { |
| if (MLX5_CAP_GEN(dev, port_type) != MLX5_CAP_PORT_TYPE_ETH) |
| return -EOPNOTSUPP; |
| |
| if (!MLX5_ESWITCH_MANAGER(dev)) |
| return -EOPNOTSUPP; |
| |
| return 0; |
| } |
| |
| struct mlx5_eswitch *mlx5_devlink_eswitch_get(struct devlink *devlink) |
| { |
| struct mlx5_core_dev *dev = devlink_priv(devlink); |
| int err; |
| |
| err = mlx5_eswitch_check(dev); |
| if (err) |
| return ERR_PTR(err); |
| |
| return dev->priv.eswitch; |
| } |
| |
| struct mlx5_vport *__must_check |
| mlx5_eswitch_get_vport(struct mlx5_eswitch *esw, u16 vport_num) |
| { |
| struct mlx5_vport *vport; |
| |
| if (!esw || !MLX5_CAP_GEN(esw->dev, vport_group_manager)) |
| return ERR_PTR(-EPERM); |
| |
| vport = xa_load(&esw->vports, vport_num); |
| if (!vport) { |
| esw_debug(esw->dev, "vport out of range: num(0x%x)\n", vport_num); |
| return ERR_PTR(-EINVAL); |
| } |
| return vport; |
| } |
| |
| static int arm_vport_context_events_cmd(struct mlx5_core_dev *dev, u16 vport, |
| u32 events_mask) |
| { |
| u32 in[MLX5_ST_SZ_DW(modify_nic_vport_context_in)] = {}; |
| void *nic_vport_ctx; |
| |
| MLX5_SET(modify_nic_vport_context_in, in, |
| opcode, MLX5_CMD_OP_MODIFY_NIC_VPORT_CONTEXT); |
| MLX5_SET(modify_nic_vport_context_in, in, field_select.change_event, 1); |
| MLX5_SET(modify_nic_vport_context_in, in, vport_number, vport); |
| MLX5_SET(modify_nic_vport_context_in, in, other_vport, 1); |
| nic_vport_ctx = MLX5_ADDR_OF(modify_nic_vport_context_in, |
| in, nic_vport_context); |
| |
| MLX5_SET(nic_vport_context, nic_vport_ctx, arm_change_event, 1); |
| |
| if (events_mask & MLX5_VPORT_UC_ADDR_CHANGE) |
| MLX5_SET(nic_vport_context, nic_vport_ctx, |
| event_on_uc_address_change, 1); |
| if (events_mask & MLX5_VPORT_MC_ADDR_CHANGE) |
| MLX5_SET(nic_vport_context, nic_vport_ctx, |
| event_on_mc_address_change, 1); |
| if (events_mask & MLX5_VPORT_PROMISC_CHANGE) |
| MLX5_SET(nic_vport_context, nic_vport_ctx, |
| event_on_promisc_change, 1); |
| |
| return mlx5_cmd_exec_in(dev, modify_nic_vport_context, in); |
| } |
| |
| /* E-Switch vport context HW commands */ |
| int mlx5_eswitch_modify_esw_vport_context(struct mlx5_core_dev *dev, u16 vport, |
| bool other_vport, void *in) |
| { |
| MLX5_SET(modify_esw_vport_context_in, in, opcode, |
| MLX5_CMD_OP_MODIFY_ESW_VPORT_CONTEXT); |
| MLX5_SET(modify_esw_vport_context_in, in, vport_number, vport); |
| MLX5_SET(modify_esw_vport_context_in, in, other_vport, other_vport); |
| return mlx5_cmd_exec_in(dev, modify_esw_vport_context, in); |
| } |
| |
| static int modify_esw_vport_cvlan(struct mlx5_core_dev *dev, u16 vport, |
| u16 vlan, u8 qos, u8 set_flags) |
| { |
| u32 in[MLX5_ST_SZ_DW(modify_esw_vport_context_in)] = {}; |
| |
| if (!MLX5_CAP_ESW(dev, vport_cvlan_strip) || |
| !MLX5_CAP_ESW(dev, vport_cvlan_insert_if_not_exist)) |
| return -EOPNOTSUPP; |
| |
| esw_debug(dev, "Set Vport[%d] VLAN %d qos %d set=%x\n", |
| vport, vlan, qos, set_flags); |
| |
| if (set_flags & SET_VLAN_STRIP) |
| MLX5_SET(modify_esw_vport_context_in, in, |
| esw_vport_context.vport_cvlan_strip, 1); |
| |
| if (set_flags & SET_VLAN_INSERT) { |
| if (MLX5_CAP_ESW(dev, vport_cvlan_insert_always)) { |
| /* insert either if vlan exist in packet or not */ |
| MLX5_SET(modify_esw_vport_context_in, in, |
| esw_vport_context.vport_cvlan_insert, |
| MLX5_VPORT_CVLAN_INSERT_ALWAYS); |
| } else { |
| /* insert only if no vlan in packet */ |
| MLX5_SET(modify_esw_vport_context_in, in, |
| esw_vport_context.vport_cvlan_insert, |
| MLX5_VPORT_CVLAN_INSERT_WHEN_NO_CVLAN); |
| } |
| MLX5_SET(modify_esw_vport_context_in, in, |
| esw_vport_context.cvlan_pcp, qos); |
| MLX5_SET(modify_esw_vport_context_in, in, |
| esw_vport_context.cvlan_id, vlan); |
| } |
| |
| MLX5_SET(modify_esw_vport_context_in, in, |
| field_select.vport_cvlan_strip, 1); |
| MLX5_SET(modify_esw_vport_context_in, in, |
| field_select.vport_cvlan_insert, 1); |
| |
| return mlx5_eswitch_modify_esw_vport_context(dev, vport, true, in); |
| } |
| |
| /* E-Switch FDB */ |
| static struct mlx5_flow_handle * |
| __esw_fdb_set_vport_rule(struct mlx5_eswitch *esw, u16 vport, bool rx_rule, |
| u8 mac_c[ETH_ALEN], u8 mac_v[ETH_ALEN]) |
| { |
| int match_header = (is_zero_ether_addr(mac_c) ? 0 : |
| MLX5_MATCH_OUTER_HEADERS); |
| struct mlx5_flow_handle *flow_rule = NULL; |
| struct mlx5_flow_act flow_act = {0}; |
| struct mlx5_flow_destination dest = {}; |
| struct mlx5_flow_spec *spec; |
| void *mv_misc = NULL; |
| void *mc_misc = NULL; |
| u8 *dmac_v = NULL; |
| u8 *dmac_c = NULL; |
| |
| if (rx_rule) |
| match_header |= MLX5_MATCH_MISC_PARAMETERS; |
| |
| spec = kvzalloc(sizeof(*spec), GFP_KERNEL); |
| if (!spec) |
| return NULL; |
| |
| dmac_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, |
| outer_headers.dmac_47_16); |
| dmac_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, |
| outer_headers.dmac_47_16); |
| |
| if (match_header & MLX5_MATCH_OUTER_HEADERS) { |
| ether_addr_copy(dmac_v, mac_v); |
| ether_addr_copy(dmac_c, mac_c); |
| } |
| |
| if (match_header & MLX5_MATCH_MISC_PARAMETERS) { |
| mv_misc = MLX5_ADDR_OF(fte_match_param, spec->match_value, |
| misc_parameters); |
| mc_misc = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, |
| misc_parameters); |
| MLX5_SET(fte_match_set_misc, mv_misc, source_port, MLX5_VPORT_UPLINK); |
| MLX5_SET_TO_ONES(fte_match_set_misc, mc_misc, source_port); |
| } |
| |
| dest.type = MLX5_FLOW_DESTINATION_TYPE_VPORT; |
| dest.vport.num = vport; |
| |
| esw_debug(esw->dev, |
| "\tFDB add rule dmac_v(%pM) dmac_c(%pM) -> vport(%d)\n", |
| dmac_v, dmac_c, vport); |
| spec->match_criteria_enable = match_header; |
| flow_act.action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; |
| flow_rule = |
| mlx5_add_flow_rules(esw->fdb_table.legacy.fdb, spec, |
| &flow_act, &dest, 1); |
| if (IS_ERR(flow_rule)) { |
| esw_warn(esw->dev, |
| "FDB: Failed to add flow rule: dmac_v(%pM) dmac_c(%pM) -> vport(%d), err(%ld)\n", |
| dmac_v, dmac_c, vport, PTR_ERR(flow_rule)); |
| flow_rule = NULL; |
| } |
| |
| kvfree(spec); |
| return flow_rule; |
| } |
| |
| static struct mlx5_flow_handle * |
| esw_fdb_set_vport_rule(struct mlx5_eswitch *esw, u8 mac[ETH_ALEN], u16 vport) |
| { |
| u8 mac_c[ETH_ALEN]; |
| |
| eth_broadcast_addr(mac_c); |
| return __esw_fdb_set_vport_rule(esw, vport, false, mac_c, mac); |
| } |
| |
| static struct mlx5_flow_handle * |
| esw_fdb_set_vport_allmulti_rule(struct mlx5_eswitch *esw, u16 vport) |
| { |
| u8 mac_c[ETH_ALEN]; |
| u8 mac_v[ETH_ALEN]; |
| |
| eth_zero_addr(mac_c); |
| eth_zero_addr(mac_v); |
| mac_c[0] = 0x01; |
| mac_v[0] = 0x01; |
| return __esw_fdb_set_vport_rule(esw, vport, false, mac_c, mac_v); |
| } |
| |
| static struct mlx5_flow_handle * |
| esw_fdb_set_vport_promisc_rule(struct mlx5_eswitch *esw, u16 vport) |
| { |
| u8 mac_c[ETH_ALEN]; |
| u8 mac_v[ETH_ALEN]; |
| |
| eth_zero_addr(mac_c); |
| eth_zero_addr(mac_v); |
| return __esw_fdb_set_vport_rule(esw, vport, true, mac_c, mac_v); |
| } |
| |
| /* E-Switch vport UC/MC lists management */ |
| typedef int (*vport_addr_action)(struct mlx5_eswitch *esw, |
| struct vport_addr *vaddr); |
| |
| static int esw_add_uc_addr(struct mlx5_eswitch *esw, struct vport_addr *vaddr) |
| { |
| u8 *mac = vaddr->node.addr; |
| u16 vport = vaddr->vport; |
| int err; |
| |
| /* Skip mlx5_mpfs_add_mac for eswitch_managers, |
| * it is already done by its netdev in mlx5e_execute_l2_action |
| */ |
| if (mlx5_esw_is_manager_vport(esw, vport)) |
| goto fdb_add; |
| |
| err = mlx5_mpfs_add_mac(esw->dev, mac); |
| if (err) { |
| esw_warn(esw->dev, |
| "Failed to add L2 table mac(%pM) for vport(0x%x), err(%d)\n", |
| mac, vport, err); |
| return err; |
| } |
| vaddr->mpfs = true; |
| |
| fdb_add: |
| /* SRIOV is enabled: Forward UC MAC to vport */ |
| if (esw->fdb_table.legacy.fdb && esw->mode == MLX5_ESWITCH_LEGACY) |
| vaddr->flow_rule = esw_fdb_set_vport_rule(esw, mac, vport); |
| |
| esw_debug(esw->dev, "\tADDED UC MAC: vport[%d] %pM fr(%p)\n", |
| vport, mac, vaddr->flow_rule); |
| |
| return 0; |
| } |
| |
| static int esw_del_uc_addr(struct mlx5_eswitch *esw, struct vport_addr *vaddr) |
| { |
| u8 *mac = vaddr->node.addr; |
| u16 vport = vaddr->vport; |
| int err = 0; |
| |
| /* Skip mlx5_mpfs_del_mac for eswitch managers, |
| * it is already done by its netdev in mlx5e_execute_l2_action |
| */ |
| if (!vaddr->mpfs || mlx5_esw_is_manager_vport(esw, vport)) |
| goto fdb_del; |
| |
| err = mlx5_mpfs_del_mac(esw->dev, mac); |
| if (err) |
| esw_warn(esw->dev, |
| "Failed to del L2 table mac(%pM) for vport(%d), err(%d)\n", |
| mac, vport, err); |
| vaddr->mpfs = false; |
| |
| fdb_del: |
| if (vaddr->flow_rule) |
| mlx5_del_flow_rules(vaddr->flow_rule); |
| vaddr->flow_rule = NULL; |
| |
| return 0; |
| } |
| |
| static void update_allmulti_vports(struct mlx5_eswitch *esw, |
| struct vport_addr *vaddr, |
| struct esw_mc_addr *esw_mc) |
| { |
| u8 *mac = vaddr->node.addr; |
| struct mlx5_vport *vport; |
| unsigned long i; |
| u16 vport_num; |
| |
| mlx5_esw_for_each_vport(esw, i, vport) { |
| struct hlist_head *vport_hash = vport->mc_list; |
| struct vport_addr *iter_vaddr = |
| l2addr_hash_find(vport_hash, |
| mac, |
| struct vport_addr); |
| vport_num = vport->vport; |
| if (IS_ERR_OR_NULL(vport->allmulti_rule) || |
| vaddr->vport == vport_num) |
| continue; |
| switch (vaddr->action) { |
| case MLX5_ACTION_ADD: |
| if (iter_vaddr) |
| continue; |
| iter_vaddr = l2addr_hash_add(vport_hash, mac, |
| struct vport_addr, |
| GFP_KERNEL); |
| if (!iter_vaddr) { |
| esw_warn(esw->dev, |
| "ALL-MULTI: Failed to add MAC(%pM) to vport[%d] DB\n", |
| mac, vport_num); |
| continue; |
| } |
| iter_vaddr->vport = vport_num; |
| iter_vaddr->flow_rule = |
| esw_fdb_set_vport_rule(esw, |
| mac, |
| vport_num); |
| iter_vaddr->mc_promisc = true; |
| break; |
| case MLX5_ACTION_DEL: |
| if (!iter_vaddr) |
| continue; |
| mlx5_del_flow_rules(iter_vaddr->flow_rule); |
| l2addr_hash_del(iter_vaddr); |
| break; |
| } |
| } |
| } |
| |
| static int esw_add_mc_addr(struct mlx5_eswitch *esw, struct vport_addr *vaddr) |
| { |
| struct hlist_head *hash = esw->mc_table; |
| struct esw_mc_addr *esw_mc; |
| u8 *mac = vaddr->node.addr; |
| u16 vport = vaddr->vport; |
| |
| if (!esw->fdb_table.legacy.fdb) |
| return 0; |
| |
| esw_mc = l2addr_hash_find(hash, mac, struct esw_mc_addr); |
| if (esw_mc) |
| goto add; |
| |
| esw_mc = l2addr_hash_add(hash, mac, struct esw_mc_addr, GFP_KERNEL); |
| if (!esw_mc) |
| return -ENOMEM; |
| |
| esw_mc->uplink_rule = /* Forward MC MAC to Uplink */ |
| esw_fdb_set_vport_rule(esw, mac, MLX5_VPORT_UPLINK); |
| |
| /* Add this multicast mac to all the mc promiscuous vports */ |
| update_allmulti_vports(esw, vaddr, esw_mc); |
| |
| add: |
| /* If the multicast mac is added as a result of mc promiscuous vport, |
| * don't increment the multicast ref count |
| */ |
| if (!vaddr->mc_promisc) |
| esw_mc->refcnt++; |
| |
| /* Forward MC MAC to vport */ |
| vaddr->flow_rule = esw_fdb_set_vport_rule(esw, mac, vport); |
| esw_debug(esw->dev, |
| "\tADDED MC MAC: vport[%d] %pM fr(%p) refcnt(%d) uplinkfr(%p)\n", |
| vport, mac, vaddr->flow_rule, |
| esw_mc->refcnt, esw_mc->uplink_rule); |
| return 0; |
| } |
| |
| static int esw_del_mc_addr(struct mlx5_eswitch *esw, struct vport_addr *vaddr) |
| { |
| struct hlist_head *hash = esw->mc_table; |
| struct esw_mc_addr *esw_mc; |
| u8 *mac = vaddr->node.addr; |
| u16 vport = vaddr->vport; |
| |
| if (!esw->fdb_table.legacy.fdb) |
| return 0; |
| |
| esw_mc = l2addr_hash_find(hash, mac, struct esw_mc_addr); |
| if (!esw_mc) { |
| esw_warn(esw->dev, |
| "Failed to find eswitch MC addr for MAC(%pM) vport(%d)", |
| mac, vport); |
| return -EINVAL; |
| } |
| esw_debug(esw->dev, |
| "\tDELETE MC MAC: vport[%d] %pM fr(%p) refcnt(%d) uplinkfr(%p)\n", |
| vport, mac, vaddr->flow_rule, esw_mc->refcnt, |
| esw_mc->uplink_rule); |
| |
| if (vaddr->flow_rule) |
| mlx5_del_flow_rules(vaddr->flow_rule); |
| vaddr->flow_rule = NULL; |
| |
| /* If the multicast mac is added as a result of mc promiscuous vport, |
| * don't decrement the multicast ref count. |
| */ |
| if (vaddr->mc_promisc || (--esw_mc->refcnt > 0)) |
| return 0; |
| |
| /* Remove this multicast mac from all the mc promiscuous vports */ |
| update_allmulti_vports(esw, vaddr, esw_mc); |
| |
| if (esw_mc->uplink_rule) |
| mlx5_del_flow_rules(esw_mc->uplink_rule); |
| |
| l2addr_hash_del(esw_mc); |
| return 0; |
| } |
| |
| /* Apply vport UC/MC list to HW l2 table and FDB table */ |
| static void esw_apply_vport_addr_list(struct mlx5_eswitch *esw, |
| struct mlx5_vport *vport, int list_type) |
| { |
| bool is_uc = list_type == MLX5_NVPRT_LIST_TYPE_UC; |
| vport_addr_action vport_addr_add; |
| vport_addr_action vport_addr_del; |
| struct vport_addr *addr; |
| struct l2addr_node *node; |
| struct hlist_head *hash; |
| struct hlist_node *tmp; |
| int hi; |
| |
| vport_addr_add = is_uc ? esw_add_uc_addr : |
| esw_add_mc_addr; |
| vport_addr_del = is_uc ? esw_del_uc_addr : |
| esw_del_mc_addr; |
| |
| hash = is_uc ? vport->uc_list : vport->mc_list; |
| for_each_l2hash_node(node, tmp, hash, hi) { |
| addr = container_of(node, struct vport_addr, node); |
| switch (addr->action) { |
| case MLX5_ACTION_ADD: |
| vport_addr_add(esw, addr); |
| addr->action = MLX5_ACTION_NONE; |
| break; |
| case MLX5_ACTION_DEL: |
| vport_addr_del(esw, addr); |
| l2addr_hash_del(addr); |
| break; |
| } |
| } |
| } |
| |
| /* Sync vport UC/MC list from vport context */ |
| static void esw_update_vport_addr_list(struct mlx5_eswitch *esw, |
| struct mlx5_vport *vport, int list_type) |
| { |
| bool is_uc = list_type == MLX5_NVPRT_LIST_TYPE_UC; |
| u8 (*mac_list)[ETH_ALEN]; |
| struct l2addr_node *node; |
| struct vport_addr *addr; |
| struct hlist_head *hash; |
| struct hlist_node *tmp; |
| int size; |
| int err; |
| int hi; |
| int i; |
| |
| size = is_uc ? MLX5_MAX_UC_PER_VPORT(esw->dev) : |
| MLX5_MAX_MC_PER_VPORT(esw->dev); |
| |
| mac_list = kcalloc(size, ETH_ALEN, GFP_KERNEL); |
| if (!mac_list) |
| return; |
| |
| hash = is_uc ? vport->uc_list : vport->mc_list; |
| |
| for_each_l2hash_node(node, tmp, hash, hi) { |
| addr = container_of(node, struct vport_addr, node); |
| addr->action = MLX5_ACTION_DEL; |
| } |
| |
| if (!vport->enabled) |
| goto out; |
| |
| err = mlx5_query_nic_vport_mac_list(esw->dev, vport->vport, list_type, |
| mac_list, &size); |
| if (err) |
| goto out; |
| esw_debug(esw->dev, "vport[%d] context update %s list size (%d)\n", |
| vport->vport, is_uc ? "UC" : "MC", size); |
| |
| for (i = 0; i < size; i++) { |
| if (is_uc && !is_valid_ether_addr(mac_list[i])) |
| continue; |
| |
| if (!is_uc && !is_multicast_ether_addr(mac_list[i])) |
| continue; |
| |
| addr = l2addr_hash_find(hash, mac_list[i], struct vport_addr); |
| if (addr) { |
| addr->action = MLX5_ACTION_NONE; |
| /* If this mac was previously added because of allmulti |
| * promiscuous rx mode, its now converted to be original |
| * vport mac. |
| */ |
| if (addr->mc_promisc) { |
| struct esw_mc_addr *esw_mc = |
| l2addr_hash_find(esw->mc_table, |
| mac_list[i], |
| struct esw_mc_addr); |
| if (!esw_mc) { |
| esw_warn(esw->dev, |
| "Failed to MAC(%pM) in mcast DB\n", |
| mac_list[i]); |
| continue; |
| } |
| esw_mc->refcnt++; |
| addr->mc_promisc = false; |
| } |
| continue; |
| } |
| |
| addr = l2addr_hash_add(hash, mac_list[i], struct vport_addr, |
| GFP_KERNEL); |
| if (!addr) { |
| esw_warn(esw->dev, |
| "Failed to add MAC(%pM) to vport[%d] DB\n", |
| mac_list[i], vport->vport); |
| continue; |
| } |
| addr->vport = vport->vport; |
| addr->action = MLX5_ACTION_ADD; |
| } |
| out: |
| kfree(mac_list); |
| } |
| |
| /* Sync vport UC/MC list from vport context |
| * Must be called after esw_update_vport_addr_list |
| */ |
| static void esw_update_vport_mc_promisc(struct mlx5_eswitch *esw, |
| struct mlx5_vport *vport) |
| { |
| struct l2addr_node *node; |
| struct vport_addr *addr; |
| struct hlist_head *hash; |
| struct hlist_node *tmp; |
| int hi; |
| |
| hash = vport->mc_list; |
| |
| for_each_l2hash_node(node, tmp, esw->mc_table, hi) { |
| u8 *mac = node->addr; |
| |
| addr = l2addr_hash_find(hash, mac, struct vport_addr); |
| if (addr) { |
| if (addr->action == MLX5_ACTION_DEL) |
| addr->action = MLX5_ACTION_NONE; |
| continue; |
| } |
| addr = l2addr_hash_add(hash, mac, struct vport_addr, |
| GFP_KERNEL); |
| if (!addr) { |
| esw_warn(esw->dev, |
| "Failed to add allmulti MAC(%pM) to vport[%d] DB\n", |
| mac, vport->vport); |
| continue; |
| } |
| addr->vport = vport->vport; |
| addr->action = MLX5_ACTION_ADD; |
| addr->mc_promisc = true; |
| } |
| } |
| |
| /* Apply vport rx mode to HW FDB table */ |
| static void esw_apply_vport_rx_mode(struct mlx5_eswitch *esw, |
| struct mlx5_vport *vport, |
| bool promisc, bool mc_promisc) |
| { |
| struct esw_mc_addr *allmulti_addr = &esw->mc_promisc; |
| |
| if (IS_ERR_OR_NULL(vport->allmulti_rule) != mc_promisc) |
| goto promisc; |
| |
| if (mc_promisc) { |
| vport->allmulti_rule = |
| esw_fdb_set_vport_allmulti_rule(esw, vport->vport); |
| if (!allmulti_addr->uplink_rule) |
| allmulti_addr->uplink_rule = |
| esw_fdb_set_vport_allmulti_rule(esw, |
| MLX5_VPORT_UPLINK); |
| allmulti_addr->refcnt++; |
| } else if (vport->allmulti_rule) { |
| mlx5_del_flow_rules(vport->allmulti_rule); |
| vport->allmulti_rule = NULL; |
| |
| if (--allmulti_addr->refcnt > 0) |
| goto promisc; |
| |
| if (allmulti_addr->uplink_rule) |
| mlx5_del_flow_rules(allmulti_addr->uplink_rule); |
| allmulti_addr->uplink_rule = NULL; |
| } |
| |
| promisc: |
| if (IS_ERR_OR_NULL(vport->promisc_rule) != promisc) |
| return; |
| |
| if (promisc) { |
| vport->promisc_rule = |
| esw_fdb_set_vport_promisc_rule(esw, vport->vport); |
| } else if (vport->promisc_rule) { |
| mlx5_del_flow_rules(vport->promisc_rule); |
| vport->promisc_rule = NULL; |
| } |
| } |
| |
| /* Sync vport rx mode from vport context */ |
| static void esw_update_vport_rx_mode(struct mlx5_eswitch *esw, |
| struct mlx5_vport *vport) |
| { |
| int promisc_all = 0; |
| int promisc_uc = 0; |
| int promisc_mc = 0; |
| int err; |
| |
| err = mlx5_query_nic_vport_promisc(esw->dev, |
| vport->vport, |
| &promisc_uc, |
| &promisc_mc, |
| &promisc_all); |
| if (err) |
| return; |
| esw_debug(esw->dev, "vport[%d] context update rx mode promisc_all=%d, all_multi=%d\n", |
| vport->vport, promisc_all, promisc_mc); |
| |
| if (!vport->info.trusted || !vport->enabled) { |
| promisc_uc = 0; |
| promisc_mc = 0; |
| promisc_all = 0; |
| } |
| |
| esw_apply_vport_rx_mode(esw, vport, promisc_all, |
| (promisc_all || promisc_mc)); |
| } |
| |
| void esw_vport_change_handle_locked(struct mlx5_vport *vport) |
| { |
| struct mlx5_core_dev *dev = vport->dev; |
| struct mlx5_eswitch *esw = dev->priv.eswitch; |
| u8 mac[ETH_ALEN]; |
| |
| mlx5_query_nic_vport_mac_address(dev, vport->vport, true, mac); |
| esw_debug(dev, "vport[%d] Context Changed: perm mac: %pM\n", |
| vport->vport, mac); |
| |
| if (vport->enabled_events & MLX5_VPORT_UC_ADDR_CHANGE) { |
| esw_update_vport_addr_list(esw, vport, MLX5_NVPRT_LIST_TYPE_UC); |
| esw_apply_vport_addr_list(esw, vport, MLX5_NVPRT_LIST_TYPE_UC); |
| } |
| |
| if (vport->enabled_events & MLX5_VPORT_MC_ADDR_CHANGE) |
| esw_update_vport_addr_list(esw, vport, MLX5_NVPRT_LIST_TYPE_MC); |
| |
| if (vport->enabled_events & MLX5_VPORT_PROMISC_CHANGE) { |
| esw_update_vport_rx_mode(esw, vport); |
| if (!IS_ERR_OR_NULL(vport->allmulti_rule)) |
| esw_update_vport_mc_promisc(esw, vport); |
| } |
| |
| if (vport->enabled_events & (MLX5_VPORT_PROMISC_CHANGE | MLX5_VPORT_MC_ADDR_CHANGE)) |
| esw_apply_vport_addr_list(esw, vport, MLX5_NVPRT_LIST_TYPE_MC); |
| |
| esw_debug(esw->dev, "vport[%d] Context Changed: Done\n", vport->vport); |
| if (vport->enabled) |
| arm_vport_context_events_cmd(dev, vport->vport, |
| vport->enabled_events); |
| } |
| |
| static void esw_vport_change_handler(struct work_struct *work) |
| { |
| struct mlx5_vport *vport = |
| container_of(work, struct mlx5_vport, vport_change_handler); |
| struct mlx5_eswitch *esw = vport->dev->priv.eswitch; |
| |
| mutex_lock(&esw->state_lock); |
| esw_vport_change_handle_locked(vport); |
| mutex_unlock(&esw->state_lock); |
| } |
| |
| static void node_guid_gen_from_mac(u64 *node_guid, const u8 *mac) |
| { |
| ((u8 *)node_guid)[7] = mac[0]; |
| ((u8 *)node_guid)[6] = mac[1]; |
| ((u8 *)node_guid)[5] = mac[2]; |
| ((u8 *)node_guid)[4] = 0xff; |
| ((u8 *)node_guid)[3] = 0xfe; |
| ((u8 *)node_guid)[2] = mac[3]; |
| ((u8 *)node_guid)[1] = mac[4]; |
| ((u8 *)node_guid)[0] = mac[5]; |
| } |
| |
| static int esw_vport_setup_acl(struct mlx5_eswitch *esw, |
| struct mlx5_vport *vport) |
| { |
| if (esw->mode == MLX5_ESWITCH_LEGACY) |
| return esw_legacy_vport_acl_setup(esw, vport); |
| else |
| return esw_vport_create_offloads_acl_tables(esw, vport); |
| } |
| |
| static void esw_vport_cleanup_acl(struct mlx5_eswitch *esw, |
| struct mlx5_vport *vport) |
| { |
| if (esw->mode == MLX5_ESWITCH_LEGACY) |
| esw_legacy_vport_acl_cleanup(esw, vport); |
| else |
| esw_vport_destroy_offloads_acl_tables(esw, vport); |
| } |
| |
| static int esw_vport_setup(struct mlx5_eswitch *esw, struct mlx5_vport *vport) |
| { |
| bool vst_mode_steering = esw_vst_mode_is_steering(esw); |
| u16 vport_num = vport->vport; |
| int flags; |
| int err; |
| |
| err = esw_vport_setup_acl(esw, vport); |
| if (err) |
| return err; |
| |
| /* Attach vport to the eswitch rate limiter */ |
| mlx5_esw_qos_vport_enable(esw, vport, vport->qos.max_rate, vport->qos.bw_share); |
| |
| if (mlx5_esw_is_manager_vport(esw, vport_num)) |
| return 0; |
| |
| mlx5_modify_vport_admin_state(esw->dev, |
| MLX5_VPORT_STATE_OP_MOD_ESW_VPORT, |
| vport_num, 1, |
| vport->info.link_state); |
| |
| /* Host PF has its own mac/guid. */ |
| if (vport_num) { |
| mlx5_modify_nic_vport_mac_address(esw->dev, vport_num, |
| vport->info.mac); |
| mlx5_modify_nic_vport_node_guid(esw->dev, vport_num, |
| vport->info.node_guid); |
| } |
| |
| flags = (vport->info.vlan || vport->info.qos) ? |
| SET_VLAN_STRIP | SET_VLAN_INSERT : 0; |
| if (esw->mode == MLX5_ESWITCH_OFFLOADS || !vst_mode_steering) |
| modify_esw_vport_cvlan(esw->dev, vport_num, vport->info.vlan, |
| vport->info.qos, flags); |
| |
| return 0; |
| } |
| |
| /* Don't cleanup vport->info, it's needed to restore vport configuration */ |
| static void esw_vport_cleanup(struct mlx5_eswitch *esw, struct mlx5_vport *vport) |
| { |
| u16 vport_num = vport->vport; |
| |
| if (!mlx5_esw_is_manager_vport(esw, vport_num)) |
| mlx5_modify_vport_admin_state(esw->dev, |
| MLX5_VPORT_STATE_OP_MOD_ESW_VPORT, |
| vport_num, 1, |
| MLX5_VPORT_ADMIN_STATE_DOWN); |
| |
| mlx5_esw_qos_vport_disable(esw, vport); |
| esw_vport_cleanup_acl(esw, vport); |
| } |
| |
| int mlx5_esw_vport_enable(struct mlx5_eswitch *esw, u16 vport_num, |
| enum mlx5_eswitch_vport_event enabled_events) |
| { |
| struct mlx5_vport *vport; |
| int ret; |
| |
| vport = mlx5_eswitch_get_vport(esw, vport_num); |
| if (IS_ERR(vport)) |
| return PTR_ERR(vport); |
| |
| mutex_lock(&esw->state_lock); |
| WARN_ON(vport->enabled); |
| |
| esw_debug(esw->dev, "Enabling VPORT(%d)\n", vport_num); |
| |
| ret = esw_vport_setup(esw, vport); |
| if (ret) |
| goto done; |
| |
| /* Sync with current vport context */ |
| vport->enabled_events = enabled_events; |
| vport->enabled = true; |
| |
| /* Esw manager is trusted by default. Host PF (vport 0) is trusted as well |
| * in smartNIC as it's a vport group manager. |
| */ |
| if (mlx5_esw_is_manager_vport(esw, vport_num) || |
| (!vport_num && mlx5_core_is_ecpf(esw->dev))) |
| vport->info.trusted = true; |
| |
| if (!mlx5_esw_is_manager_vport(esw, vport->vport) && |
| MLX5_CAP_GEN(esw->dev, vhca_resource_manager)) { |
| ret = mlx5_esw_vport_vhca_id_set(esw, vport_num); |
| if (ret) |
| goto err_vhca_mapping; |
| } |
| |
| /* External controller host PF has factory programmed MAC. |
| * Read it from the device. |
| */ |
| if (mlx5_core_is_ecpf(esw->dev) && vport_num == MLX5_VPORT_PF) |
| mlx5_query_nic_vport_mac_address(esw->dev, vport_num, true, vport->info.mac); |
| |
| esw_vport_change_handle_locked(vport); |
| |
| esw->enabled_vports++; |
| esw_debug(esw->dev, "Enabled VPORT(%d)\n", vport_num); |
| done: |
| mutex_unlock(&esw->state_lock); |
| return ret; |
| |
| err_vhca_mapping: |
| esw_vport_cleanup(esw, vport); |
| mutex_unlock(&esw->state_lock); |
| return ret; |
| } |
| |
| void mlx5_esw_vport_disable(struct mlx5_eswitch *esw, u16 vport_num) |
| { |
| struct mlx5_vport *vport; |
| |
| vport = mlx5_eswitch_get_vport(esw, vport_num); |
| if (IS_ERR(vport)) |
| return; |
| |
| mutex_lock(&esw->state_lock); |
| if (!vport->enabled) |
| goto done; |
| |
| esw_debug(esw->dev, "Disabling vport(%d)\n", vport_num); |
| /* Mark this vport as disabled to discard new events */ |
| vport->enabled = false; |
| |
| /* Disable events from this vport */ |
| arm_vport_context_events_cmd(esw->dev, vport->vport, 0); |
| |
| if (!mlx5_esw_is_manager_vport(esw, vport->vport) && |
| MLX5_CAP_GEN(esw->dev, vhca_resource_manager)) |
| mlx5_esw_vport_vhca_id_clear(esw, vport_num); |
| |
| /* We don't assume VFs will cleanup after themselves. |
| * Calling vport change handler while vport is disabled will cleanup |
| * the vport resources. |
| */ |
| esw_vport_change_handle_locked(vport); |
| vport->enabled_events = 0; |
| esw_apply_vport_rx_mode(esw, vport, false, false); |
| esw_vport_cleanup(esw, vport); |
| esw->enabled_vports--; |
| |
| done: |
| mutex_unlock(&esw->state_lock); |
| } |
| |
| static int eswitch_vport_event(struct notifier_block *nb, |
| unsigned long type, void *data) |
| { |
| struct mlx5_eswitch *esw = mlx5_nb_cof(nb, struct mlx5_eswitch, nb); |
| struct mlx5_eqe *eqe = data; |
| struct mlx5_vport *vport; |
| u16 vport_num; |
| |
| vport_num = be16_to_cpu(eqe->data.vport_change.vport_num); |
| vport = mlx5_eswitch_get_vport(esw, vport_num); |
| if (!IS_ERR(vport)) |
| queue_work(esw->work_queue, &vport->vport_change_handler); |
| return NOTIFY_OK; |
| } |
| |
| /** |
| * mlx5_esw_query_functions - Returns raw output about functions state |
| * @dev: Pointer to device to query |
| * |
| * mlx5_esw_query_functions() allocates and returns functions changed |
| * raw output memory pointer from device on success. Otherwise returns ERR_PTR. |
| * Caller must free the memory using kvfree() when valid pointer is returned. |
| */ |
| const u32 *mlx5_esw_query_functions(struct mlx5_core_dev *dev) |
| { |
| int outlen = MLX5_ST_SZ_BYTES(query_esw_functions_out); |
| u32 in[MLX5_ST_SZ_DW(query_esw_functions_in)] = {}; |
| u32 *out; |
| int err; |
| |
| out = kvzalloc(outlen, GFP_KERNEL); |
| if (!out) |
| return ERR_PTR(-ENOMEM); |
| |
| MLX5_SET(query_esw_functions_in, in, opcode, |
| MLX5_CMD_OP_QUERY_ESW_FUNCTIONS); |
| |
| err = mlx5_cmd_exec(dev, in, sizeof(in), out, outlen); |
| if (!err) |
| return out; |
| |
| kvfree(out); |
| return ERR_PTR(err); |
| } |
| |
| static void mlx5_eswitch_event_handlers_register(struct mlx5_eswitch *esw) |
| { |
| MLX5_NB_INIT(&esw->nb, eswitch_vport_event, NIC_VPORT_CHANGE); |
| mlx5_eq_notifier_register(esw->dev, &esw->nb); |
| |
| if (esw->mode == MLX5_ESWITCH_OFFLOADS && mlx5_eswitch_is_funcs_handler(esw->dev)) { |
| MLX5_NB_INIT(&esw->esw_funcs.nb, mlx5_esw_funcs_changed_handler, |
| ESW_FUNCTIONS_CHANGED); |
| mlx5_eq_notifier_register(esw->dev, &esw->esw_funcs.nb); |
| } |
| } |
| |
| static void mlx5_eswitch_event_handlers_unregister(struct mlx5_eswitch *esw) |
| { |
| if (esw->mode == MLX5_ESWITCH_OFFLOADS && mlx5_eswitch_is_funcs_handler(esw->dev)) |
| mlx5_eq_notifier_unregister(esw->dev, &esw->esw_funcs.nb); |
| |
| mlx5_eq_notifier_unregister(esw->dev, &esw->nb); |
| |
| flush_workqueue(esw->work_queue); |
| } |
| |
| static void mlx5_eswitch_clear_vf_vports_info(struct mlx5_eswitch *esw) |
| { |
| struct mlx5_vport *vport; |
| unsigned long i; |
| |
| mlx5_esw_for_each_vf_vport(esw, i, vport, esw->esw_funcs.num_vfs) { |
| memset(&vport->qos, 0, sizeof(vport->qos)); |
| memset(&vport->info, 0, sizeof(vport->info)); |
| vport->info.link_state = MLX5_VPORT_ADMIN_STATE_AUTO; |
| } |
| } |
| |
| /* Public E-Switch API */ |
| int mlx5_eswitch_load_vport(struct mlx5_eswitch *esw, u16 vport_num, |
| enum mlx5_eswitch_vport_event enabled_events) |
| { |
| int err; |
| |
| err = mlx5_esw_vport_enable(esw, vport_num, enabled_events); |
| if (err) |
| return err; |
| |
| err = esw_offloads_load_rep(esw, vport_num); |
| if (err) |
| goto err_rep; |
| |
| return err; |
| |
| err_rep: |
| mlx5_esw_vport_disable(esw, vport_num); |
| return err; |
| } |
| |
| void mlx5_eswitch_unload_vport(struct mlx5_eswitch *esw, u16 vport_num) |
| { |
| esw_offloads_unload_rep(esw, vport_num); |
| mlx5_esw_vport_disable(esw, vport_num); |
| } |
| |
| void mlx5_eswitch_unload_vf_vports(struct mlx5_eswitch *esw, u16 num_vfs) |
| { |
| struct mlx5_vport *vport; |
| unsigned long i; |
| |
| mlx5_esw_for_each_vf_vport(esw, i, vport, num_vfs) { |
| if (!vport->enabled) |
| continue; |
| mlx5_eswitch_unload_vport(esw, vport->vport); |
| } |
| } |
| |
| int mlx5_eswitch_load_vf_vports(struct mlx5_eswitch *esw, u16 num_vfs, |
| enum mlx5_eswitch_vport_event enabled_events) |
| { |
| struct mlx5_vport *vport; |
| unsigned long i; |
| int err; |
| |
| mlx5_esw_for_each_vf_vport(esw, i, vport, num_vfs) { |
| err = mlx5_eswitch_load_vport(esw, vport->vport, enabled_events); |
| if (err) |
| goto vf_err; |
| } |
| |
| return 0; |
| |
| vf_err: |
| mlx5_eswitch_unload_vf_vports(esw, num_vfs); |
| return err; |
| } |
| |
| static int host_pf_enable_hca(struct mlx5_core_dev *dev) |
| { |
| if (!mlx5_core_is_ecpf(dev)) |
| return 0; |
| |
| /* Once vport and representor are ready, take out the external host PF |
| * out of initializing state. Enabling HCA clears the iser->initializing |
| * bit and host PF driver loading can progress. |
| */ |
| return mlx5_cmd_host_pf_enable_hca(dev); |
| } |
| |
| static void host_pf_disable_hca(struct mlx5_core_dev *dev) |
| { |
| if (!mlx5_core_is_ecpf(dev)) |
| return; |
| |
| mlx5_cmd_host_pf_disable_hca(dev); |
| } |
| |
| /* mlx5_eswitch_enable_pf_vf_vports() enables vports of PF, ECPF and VFs |
| * whichever are present on the eswitch. |
| */ |
| int |
| mlx5_eswitch_enable_pf_vf_vports(struct mlx5_eswitch *esw, |
| enum mlx5_eswitch_vport_event enabled_events) |
| { |
| int ret; |
| |
| /* Enable PF vport */ |
| ret = mlx5_eswitch_load_vport(esw, MLX5_VPORT_PF, enabled_events); |
| if (ret) |
| return ret; |
| |
| /* Enable external host PF HCA */ |
| ret = host_pf_enable_hca(esw->dev); |
| if (ret) |
| goto pf_hca_err; |
| |
| /* Enable ECPF vport */ |
| if (mlx5_ecpf_vport_exists(esw->dev)) { |
| ret = mlx5_eswitch_load_vport(esw, MLX5_VPORT_ECPF, enabled_events); |
| if (ret) |
| goto ecpf_err; |
| } |
| |
| /* Enable VF vports */ |
| ret = mlx5_eswitch_load_vf_vports(esw, esw->esw_funcs.num_vfs, |
| enabled_events); |
| if (ret) |
| goto vf_err; |
| return 0; |
| |
| vf_err: |
| if (mlx5_ecpf_vport_exists(esw->dev)) |
| mlx5_eswitch_unload_vport(esw, MLX5_VPORT_ECPF); |
| ecpf_err: |
| host_pf_disable_hca(esw->dev); |
| pf_hca_err: |
| mlx5_eswitch_unload_vport(esw, MLX5_VPORT_PF); |
| return ret; |
| } |
| |
| /* mlx5_eswitch_disable_pf_vf_vports() disables vports of PF, ECPF and VFs |
| * whichever are previously enabled on the eswitch. |
| */ |
| void mlx5_eswitch_disable_pf_vf_vports(struct mlx5_eswitch *esw) |
| { |
| mlx5_eswitch_unload_vf_vports(esw, esw->esw_funcs.num_vfs); |
| |
| if (mlx5_ecpf_vport_exists(esw->dev)) |
| mlx5_eswitch_unload_vport(esw, MLX5_VPORT_ECPF); |
| |
| host_pf_disable_hca(esw->dev); |
| mlx5_eswitch_unload_vport(esw, MLX5_VPORT_PF); |
| } |
| |
| static void mlx5_eswitch_get_devlink_param(struct mlx5_eswitch *esw) |
| { |
| struct devlink *devlink = priv_to_devlink(esw->dev); |
| union devlink_param_value val; |
| int err; |
| |
| err = devlink_param_driverinit_value_get(devlink, |
| MLX5_DEVLINK_PARAM_ID_ESW_LARGE_GROUP_NUM, |
| &val); |
| if (!err) { |
| esw->params.large_group_num = val.vu32; |
| } else { |
| esw_warn(esw->dev, |
| "Devlink can't get param fdb_large_groups, uses default (%d).\n", |
| ESW_OFFLOADS_DEFAULT_NUM_GROUPS); |
| esw->params.large_group_num = ESW_OFFLOADS_DEFAULT_NUM_GROUPS; |
| } |
| } |
| |
| static void |
| mlx5_eswitch_update_num_of_vfs(struct mlx5_eswitch *esw, int num_vfs) |
| { |
| const u32 *out; |
| |
| WARN_ON_ONCE(esw->mode != MLX5_ESWITCH_NONE); |
| |
| if (num_vfs < 0) |
| return; |
| |
| if (!mlx5_core_is_ecpf_esw_manager(esw->dev)) { |
| esw->esw_funcs.num_vfs = num_vfs; |
| return; |
| } |
| |
| out = mlx5_esw_query_functions(esw->dev); |
| if (IS_ERR(out)) |
| return; |
| |
| esw->esw_funcs.num_vfs = MLX5_GET(query_esw_functions_out, out, |
| host_params_context.host_num_of_vfs); |
| kvfree(out); |
| } |
| |
| static void mlx5_esw_mode_change_notify(struct mlx5_eswitch *esw, u16 mode) |
| { |
| struct mlx5_esw_event_info info = {}; |
| |
| info.new_mode = mode; |
| |
| blocking_notifier_call_chain(&esw->n_head, 0, &info); |
| } |
| |
| static int mlx5_esw_acls_ns_init(struct mlx5_eswitch *esw) |
| { |
| struct mlx5_core_dev *dev = esw->dev; |
| int total_vports; |
| int err; |
| |
| total_vports = mlx5_eswitch_get_total_vports(dev); |
| |
| if (MLX5_CAP_ESW_EGRESS_ACL(dev, ft_support)) { |
| err = mlx5_fs_egress_acls_init(dev, total_vports); |
| if (err) |
| return err; |
| } else { |
| esw_warn(dev, "engress ACL is not supported by FW\n"); |
| } |
| |
| if (MLX5_CAP_ESW_INGRESS_ACL(dev, ft_support)) { |
| err = mlx5_fs_ingress_acls_init(dev, total_vports); |
| if (err) |
| goto err; |
| } else { |
| esw_warn(dev, "ingress ACL is not supported by FW\n"); |
| } |
| return 0; |
| |
| err: |
| if (MLX5_CAP_ESW_EGRESS_ACL(dev, ft_support)) |
| mlx5_fs_egress_acls_cleanup(dev); |
| return err; |
| } |
| |
| static void mlx5_esw_acls_ns_cleanup(struct mlx5_eswitch *esw) |
| { |
| struct mlx5_core_dev *dev = esw->dev; |
| |
| if (MLX5_CAP_ESW_INGRESS_ACL(dev, ft_support)) |
| mlx5_fs_ingress_acls_cleanup(dev); |
| if (MLX5_CAP_ESW_EGRESS_ACL(dev, ft_support)) |
| mlx5_fs_egress_acls_cleanup(dev); |
| } |
| |
| /** |
| * mlx5_eswitch_enable_locked - Enable eswitch |
| * @esw: Pointer to eswitch |
| * @mode: Eswitch mode to enable |
| * @num_vfs: Enable eswitch for given number of VFs. This is optional. |
| * Valid value are 0, > 0 and MLX5_ESWITCH_IGNORE_NUM_VFS. |
| * Caller should pass num_vfs > 0 when enabling eswitch for |
| * vf vports. Caller should pass num_vfs = 0, when eswitch |
| * is enabled without sriov VFs or when caller |
| * is unaware of the sriov state of the host PF on ECPF based |
| * eswitch. Caller should pass < 0 when num_vfs should be |
| * completely ignored. This is typically the case when eswitch |
| * is enabled without sriov regardless of PF/ECPF system. |
| * mlx5_eswitch_enable_locked() Enables eswitch in either legacy or offloads |
| * mode. If num_vfs >=0 is provided, it setup VF related eswitch vports. |
| * It returns 0 on success or error code on failure. |
| */ |
| int mlx5_eswitch_enable_locked(struct mlx5_eswitch *esw, int mode, int num_vfs) |
| { |
| int err; |
| |
| lockdep_assert_held(&esw->mode_lock); |
| |
| if (!MLX5_CAP_ESW_FLOWTABLE_FDB(esw->dev, ft_support)) { |
| esw_warn(esw->dev, "FDB is not supported, aborting ...\n"); |
| return -EOPNOTSUPP; |
| } |
| |
| mlx5_eswitch_get_devlink_param(esw); |
| |
| err = mlx5_esw_acls_ns_init(esw); |
| if (err) |
| return err; |
| |
| mlx5_eswitch_update_num_of_vfs(esw, num_vfs); |
| |
| mlx5_esw_qos_create(esw); |
| |
| esw->mode = mode; |
| |
| if (mode == MLX5_ESWITCH_LEGACY) { |
| err = esw_legacy_enable(esw); |
| } else { |
| mlx5_rescan_drivers(esw->dev); |
| err = esw_offloads_enable(esw); |
| } |
| |
| if (err) |
| goto abort; |
| |
| mlx5_eswitch_event_handlers_register(esw); |
| |
| esw_info(esw->dev, "Enable: mode(%s), nvfs(%d), active vports(%d)\n", |
| mode == MLX5_ESWITCH_LEGACY ? "LEGACY" : "OFFLOADS", |
| esw->esw_funcs.num_vfs, esw->enabled_vports); |
| |
| mlx5_esw_mode_change_notify(esw, mode); |
| |
| return 0; |
| |
| abort: |
| esw->mode = MLX5_ESWITCH_NONE; |
| |
| if (mode == MLX5_ESWITCH_OFFLOADS) |
| mlx5_rescan_drivers(esw->dev); |
| |
| mlx5_esw_qos_destroy(esw); |
| mlx5_esw_acls_ns_cleanup(esw); |
| return err; |
| } |
| |
| /** |
| * mlx5_eswitch_enable - Enable eswitch |
| * @esw: Pointer to eswitch |
| * @num_vfs: Enable eswitch switch for given number of VFs. |
| * Caller must pass num_vfs > 0 when enabling eswitch for |
| * vf vports. |
| * mlx5_eswitch_enable() returns 0 on success or error code on failure. |
| */ |
| int mlx5_eswitch_enable(struct mlx5_eswitch *esw, int num_vfs) |
| { |
| bool toggle_lag; |
| int ret; |
| |
| if (!mlx5_esw_allowed(esw)) |
| return 0; |
| |
| toggle_lag = esw->mode == MLX5_ESWITCH_NONE; |
| |
| if (toggle_lag) |
| mlx5_lag_disable_change(esw->dev); |
| |
| down_write(&esw->mode_lock); |
| if (esw->mode == MLX5_ESWITCH_NONE) { |
| ret = mlx5_eswitch_enable_locked(esw, MLX5_ESWITCH_LEGACY, num_vfs); |
| } else { |
| enum mlx5_eswitch_vport_event vport_events; |
| |
| vport_events = (esw->mode == MLX5_ESWITCH_LEGACY) ? |
| MLX5_LEGACY_SRIOV_VPORT_EVENTS : MLX5_VPORT_UC_ADDR_CHANGE; |
| ret = mlx5_eswitch_load_vf_vports(esw, num_vfs, vport_events); |
| if (!ret) |
| esw->esw_funcs.num_vfs = num_vfs; |
| } |
| up_write(&esw->mode_lock); |
| |
| if (toggle_lag) |
| mlx5_lag_enable_change(esw->dev); |
| |
| return ret; |
| } |
| |
| void mlx5_eswitch_disable_locked(struct mlx5_eswitch *esw, bool clear_vf) |
| { |
| int old_mode; |
| |
| lockdep_assert_held_write(&esw->mode_lock); |
| |
| if (esw->mode == MLX5_ESWITCH_NONE) |
| return; |
| |
| esw_info(esw->dev, "Disable: mode(%s), nvfs(%d), active vports(%d)\n", |
| esw->mode == MLX5_ESWITCH_LEGACY ? "LEGACY" : "OFFLOADS", |
| esw->esw_funcs.num_vfs, esw->enabled_vports); |
| |
| /* Notify eswitch users that it is exiting from current mode. |
| * So that it can do necessary cleanup before the eswitch is disabled. |
| */ |
| mlx5_esw_mode_change_notify(esw, MLX5_ESWITCH_NONE); |
| |
| mlx5_eswitch_event_handlers_unregister(esw); |
| |
| if (esw->mode == MLX5_ESWITCH_LEGACY) |
| esw_legacy_disable(esw); |
| else if (esw->mode == MLX5_ESWITCH_OFFLOADS) |
| esw_offloads_disable(esw); |
| |
| old_mode = esw->mode; |
| esw->mode = MLX5_ESWITCH_NONE; |
| |
| if (old_mode == MLX5_ESWITCH_OFFLOADS) |
| mlx5_rescan_drivers(esw->dev); |
| |
| mlx5_esw_qos_destroy(esw); |
| mlx5_esw_acls_ns_cleanup(esw); |
| |
| if (clear_vf) |
| mlx5_eswitch_clear_vf_vports_info(esw); |
| } |
| |
| void mlx5_eswitch_disable(struct mlx5_eswitch *esw, bool clear_vf) |
| { |
| if (!mlx5_esw_allowed(esw)) |
| return; |
| |
| mlx5_lag_disable_change(esw->dev); |
| down_write(&esw->mode_lock); |
| mlx5_eswitch_disable_locked(esw, clear_vf); |
| esw->esw_funcs.num_vfs = 0; |
| up_write(&esw->mode_lock); |
| mlx5_lag_enable_change(esw->dev); |
| } |
| |
| static int mlx5_query_hca_cap_host_pf(struct mlx5_core_dev *dev, void *out) |
| { |
| u16 opmod = (MLX5_CAP_GENERAL << 1) | (HCA_CAP_OPMOD_GET_MAX & 0x01); |
| u8 in[MLX5_ST_SZ_BYTES(query_hca_cap_in)] = {}; |
| |
| MLX5_SET(query_hca_cap_in, in, opcode, MLX5_CMD_OP_QUERY_HCA_CAP); |
| MLX5_SET(query_hca_cap_in, in, op_mod, opmod); |
| MLX5_SET(query_hca_cap_in, in, function_id, MLX5_VPORT_PF); |
| MLX5_SET(query_hca_cap_in, in, other_function, true); |
| return mlx5_cmd_exec_inout(dev, query_hca_cap, in, out); |
| } |
| |
| int mlx5_esw_sf_max_hpf_functions(struct mlx5_core_dev *dev, u16 *max_sfs, u16 *sf_base_id) |
| |
| { |
| int query_out_sz = MLX5_ST_SZ_BYTES(query_hca_cap_out); |
| void *query_ctx; |
| void *hca_caps; |
| int err; |
| |
| if (!mlx5_core_is_ecpf(dev)) { |
| *max_sfs = 0; |
| return 0; |
| } |
| |
| query_ctx = kzalloc(query_out_sz, GFP_KERNEL); |
| if (!query_ctx) |
| return -ENOMEM; |
| |
| err = mlx5_query_hca_cap_host_pf(dev, query_ctx); |
| if (err) |
| goto out_free; |
| |
| hca_caps = MLX5_ADDR_OF(query_hca_cap_out, query_ctx, capability); |
| *max_sfs = MLX5_GET(cmd_hca_cap, hca_caps, max_num_sf); |
| *sf_base_id = MLX5_GET(cmd_hca_cap, hca_caps, sf_base_id); |
| |
| out_free: |
| kfree(query_ctx); |
| return err; |
| } |
| |
| static int mlx5_esw_vport_alloc(struct mlx5_eswitch *esw, struct mlx5_core_dev *dev, |
| int index, u16 vport_num) |
| { |
| struct mlx5_vport *vport; |
| int err; |
| |
| vport = kzalloc(sizeof(*vport), GFP_KERNEL); |
| if (!vport) |
| return -ENOMEM; |
| |
| vport->dev = esw->dev; |
| vport->vport = vport_num; |
| vport->index = index; |
| vport->info.link_state = MLX5_VPORT_ADMIN_STATE_AUTO; |
| INIT_WORK(&vport->vport_change_handler, esw_vport_change_handler); |
| err = xa_insert(&esw->vports, vport_num, vport, GFP_KERNEL); |
| if (err) |
| goto insert_err; |
| |
| esw->total_vports++; |
| return 0; |
| |
| insert_err: |
| kfree(vport); |
| return err; |
| } |
| |
| static void mlx5_esw_vport_free(struct mlx5_eswitch *esw, struct mlx5_vport *vport) |
| { |
| xa_erase(&esw->vports, vport->vport); |
| kfree(vport); |
| } |
| |
| static void mlx5_esw_vports_cleanup(struct mlx5_eswitch *esw) |
| { |
| struct mlx5_vport *vport; |
| unsigned long i; |
| |
| mlx5_esw_for_each_vport(esw, i, vport) |
| mlx5_esw_vport_free(esw, vport); |
| xa_destroy(&esw->vports); |
| } |
| |
| static int mlx5_esw_vports_init(struct mlx5_eswitch *esw) |
| { |
| struct mlx5_core_dev *dev = esw->dev; |
| u16 max_host_pf_sfs; |
| u16 base_sf_num; |
| int idx = 0; |
| int err; |
| int i; |
| |
| xa_init(&esw->vports); |
| |
| err = mlx5_esw_vport_alloc(esw, dev, idx, MLX5_VPORT_PF); |
| if (err) |
| goto err; |
| if (esw->first_host_vport == MLX5_VPORT_PF) |
| xa_set_mark(&esw->vports, idx, MLX5_ESW_VPT_HOST_FN); |
| idx++; |
| |
| for (i = 0; i < mlx5_core_max_vfs(dev); i++) { |
| err = mlx5_esw_vport_alloc(esw, dev, idx, idx); |
| if (err) |
| goto err; |
| xa_set_mark(&esw->vports, idx, MLX5_ESW_VPT_VF); |
| xa_set_mark(&esw->vports, idx, MLX5_ESW_VPT_HOST_FN); |
| idx++; |
| } |
| base_sf_num = mlx5_sf_start_function_id(dev); |
| for (i = 0; i < mlx5_sf_max_functions(dev); i++) { |
| err = mlx5_esw_vport_alloc(esw, dev, idx, base_sf_num + i); |
| if (err) |
| goto err; |
| xa_set_mark(&esw->vports, base_sf_num + i, MLX5_ESW_VPT_SF); |
| idx++; |
| } |
| |
| err = mlx5_esw_sf_max_hpf_functions(dev, &max_host_pf_sfs, &base_sf_num); |
| if (err) |
| goto err; |
| for (i = 0; i < max_host_pf_sfs; i++) { |
| err = mlx5_esw_vport_alloc(esw, dev, idx, base_sf_num + i); |
| if (err) |
| goto err; |
| xa_set_mark(&esw->vports, base_sf_num + i, MLX5_ESW_VPT_SF); |
| idx++; |
| } |
| |
| if (mlx5_ecpf_vport_exists(dev)) { |
| err = mlx5_esw_vport_alloc(esw, dev, idx, MLX5_VPORT_ECPF); |
| if (err) |
| goto err; |
| idx++; |
| } |
| err = mlx5_esw_vport_alloc(esw, dev, idx, MLX5_VPORT_UPLINK); |
| if (err) |
| goto err; |
| return 0; |
| |
| err: |
| mlx5_esw_vports_cleanup(esw); |
| return err; |
| } |
| |
| int mlx5_eswitch_init(struct mlx5_core_dev *dev) |
| { |
| struct mlx5_eswitch *esw; |
| int err; |
| |
| if (!MLX5_VPORT_MANAGER(dev)) |
| return 0; |
| |
| esw = kzalloc(sizeof(*esw), GFP_KERNEL); |
| if (!esw) |
| return -ENOMEM; |
| |
| esw->dev = dev; |
| esw->manager_vport = mlx5_eswitch_manager_vport(dev); |
| esw->first_host_vport = mlx5_eswitch_first_host_vport_num(dev); |
| |
| esw->work_queue = create_singlethread_workqueue("mlx5_esw_wq"); |
| if (!esw->work_queue) { |
| err = -ENOMEM; |
| goto abort; |
| } |
| |
| err = mlx5_esw_vports_init(esw); |
| if (err) |
| goto abort; |
| |
| err = esw_offloads_init_reps(esw); |
| if (err) |
| goto reps_err; |
| |
| mutex_init(&esw->offloads.encap_tbl_lock); |
| hash_init(esw->offloads.encap_tbl); |
| mutex_init(&esw->offloads.decap_tbl_lock); |
| hash_init(esw->offloads.decap_tbl); |
| mlx5e_mod_hdr_tbl_init(&esw->offloads.mod_hdr); |
| atomic64_set(&esw->offloads.num_flows, 0); |
| ida_init(&esw->offloads.vport_metadata_ida); |
| xa_init_flags(&esw->offloads.vhca_map, XA_FLAGS_ALLOC); |
| mutex_init(&esw->state_lock); |
| lockdep_register_key(&esw->mode_lock_key); |
| init_rwsem(&esw->mode_lock); |
| lockdep_set_class(&esw->mode_lock, &esw->mode_lock_key); |
| |
| esw->enabled_vports = 0; |
| esw->mode = MLX5_ESWITCH_NONE; |
| esw->offloads.inline_mode = MLX5_INLINE_MODE_NONE; |
| if (MLX5_CAP_ESW_FLOWTABLE_FDB(dev, reformat) && |
| MLX5_CAP_ESW_FLOWTABLE_FDB(dev, decap)) |
| esw->offloads.encap = DEVLINK_ESWITCH_ENCAP_MODE_BASIC; |
| else |
| esw->offloads.encap = DEVLINK_ESWITCH_ENCAP_MODE_NONE; |
| |
| dev->priv.eswitch = esw; |
| BLOCKING_INIT_NOTIFIER_HEAD(&esw->n_head); |
| |
| esw_info(dev, |
| "Total vports %d, per vport: max uc(%d) max mc(%d)\n", |
| esw->total_vports, |
| MLX5_MAX_UC_PER_VPORT(dev), |
| MLX5_MAX_MC_PER_VPORT(dev)); |
| return 0; |
| |
| reps_err: |
| mlx5_esw_vports_cleanup(esw); |
| abort: |
| if (esw->work_queue) |
| destroy_workqueue(esw->work_queue); |
| kfree(esw); |
| return err; |
| } |
| |
| void mlx5_eswitch_cleanup(struct mlx5_eswitch *esw) |
| { |
| if (!esw || !MLX5_VPORT_MANAGER(esw->dev)) |
| return; |
| |
| esw_info(esw->dev, "cleanup\n"); |
| |
| esw->dev->priv.eswitch = NULL; |
| destroy_workqueue(esw->work_queue); |
| lockdep_unregister_key(&esw->mode_lock_key); |
| mutex_destroy(&esw->state_lock); |
| WARN_ON(!xa_empty(&esw->offloads.vhca_map)); |
| xa_destroy(&esw->offloads.vhca_map); |
| ida_destroy(&esw->offloads.vport_metadata_ida); |
| mlx5e_mod_hdr_tbl_destroy(&esw->offloads.mod_hdr); |
| mutex_destroy(&esw->offloads.encap_tbl_lock); |
| mutex_destroy(&esw->offloads.decap_tbl_lock); |
| esw_offloads_cleanup_reps(esw); |
| mlx5_esw_vports_cleanup(esw); |
| kfree(esw); |
| } |
| |
| /* Vport Administration */ |
| static int |
| mlx5_esw_set_vport_mac_locked(struct mlx5_eswitch *esw, |
| struct mlx5_vport *evport, const u8 *mac) |
| { |
| u16 vport_num = evport->vport; |
| u64 node_guid; |
| int err = 0; |
| |
| if (is_multicast_ether_addr(mac)) |
| return -EINVAL; |
| |
| if (evport->info.spoofchk && !is_valid_ether_addr(mac)) |
| mlx5_core_warn(esw->dev, |
| "Set invalid MAC while spoofchk is on, vport(%d)\n", |
| vport_num); |
| |
| err = mlx5_modify_nic_vport_mac_address(esw->dev, vport_num, mac); |
| if (err) { |
| mlx5_core_warn(esw->dev, |
| "Failed to mlx5_modify_nic_vport_mac vport(%d) err=(%d)\n", |
| vport_num, err); |
| return err; |
| } |
| |
| node_guid_gen_from_mac(&node_guid, mac); |
| err = mlx5_modify_nic_vport_node_guid(esw->dev, vport_num, node_guid); |
| if (err) |
| mlx5_core_warn(esw->dev, |
| "Failed to set vport %d node guid, err = %d. RDMA_CM will not function properly for this VF.\n", |
| vport_num, err); |
| |
| ether_addr_copy(evport->info.mac, mac); |
| evport->info.node_guid = node_guid; |
| if (evport->enabled && esw->mode == MLX5_ESWITCH_LEGACY) |
| err = esw_acl_ingress_lgcy_setup(esw, evport); |
| |
| return err; |
| } |
| |
| int mlx5_eswitch_set_vport_mac(struct mlx5_eswitch *esw, |
| u16 vport, const u8 *mac) |
| { |
| struct mlx5_vport *evport = mlx5_eswitch_get_vport(esw, vport); |
| int err = 0; |
| |
| if (IS_ERR(evport)) |
| return PTR_ERR(evport); |
| |
| mutex_lock(&esw->state_lock); |
| err = mlx5_esw_set_vport_mac_locked(esw, evport, mac); |
| mutex_unlock(&esw->state_lock); |
| return err; |
| } |
| |
| static bool mlx5_esw_check_port_type(struct mlx5_eswitch *esw, u16 vport_num, xa_mark_t mark) |
| { |
| struct mlx5_vport *vport; |
| |
| vport = mlx5_eswitch_get_vport(esw, vport_num); |
| if (IS_ERR(vport)) |
| return false; |
| |
| return xa_get_mark(&esw->vports, vport_num, mark); |
| } |
| |
| bool mlx5_eswitch_is_vf_vport(struct mlx5_eswitch *esw, u16 vport_num) |
| { |
| return mlx5_esw_check_port_type(esw, vport_num, MLX5_ESW_VPT_VF); |
| } |
| |
| bool mlx5_esw_is_sf_vport(struct mlx5_eswitch *esw, u16 vport_num) |
| { |
| return mlx5_esw_check_port_type(esw, vport_num, MLX5_ESW_VPT_SF); |
| } |
| |
| static bool |
| is_port_function_supported(struct mlx5_eswitch *esw, u16 vport_num) |
| { |
| return vport_num == MLX5_VPORT_PF || |
| mlx5_eswitch_is_vf_vport(esw, vport_num) || |
| mlx5_esw_is_sf_vport(esw, vport_num); |
| } |
| |
| int mlx5_devlink_port_function_hw_addr_get(struct devlink_port *port, |
| u8 *hw_addr, int *hw_addr_len, |
| struct netlink_ext_ack *extack) |
| { |
| struct mlx5_eswitch *esw; |
| struct mlx5_vport *vport; |
| int err = -EOPNOTSUPP; |
| u16 vport_num; |
| |
| esw = mlx5_devlink_eswitch_get(port->devlink); |
| if (IS_ERR(esw)) |
| return PTR_ERR(esw); |
| |
| vport_num = mlx5_esw_devlink_port_index_to_vport_num(port->index); |
| if (!is_port_function_supported(esw, vport_num)) |
| return -EOPNOTSUPP; |
| |
| vport = mlx5_eswitch_get_vport(esw, vport_num); |
| if (IS_ERR(vport)) { |
| NL_SET_ERR_MSG_MOD(extack, "Invalid port"); |
| return PTR_ERR(vport); |
| } |
| |
| mutex_lock(&esw->state_lock); |
| if (vport->enabled) { |
| ether_addr_copy(hw_addr, vport->info.mac); |
| *hw_addr_len = ETH_ALEN; |
| err = 0; |
| } |
| mutex_unlock(&esw->state_lock); |
| return err; |
| } |
| |
| int mlx5_devlink_port_function_hw_addr_set(struct devlink_port *port, |
| const u8 *hw_addr, int hw_addr_len, |
| struct netlink_ext_ack *extack) |
| { |
| struct mlx5_eswitch *esw; |
| struct mlx5_vport *vport; |
| int err = -EOPNOTSUPP; |
| u16 vport_num; |
| |
| esw = mlx5_devlink_eswitch_get(port->devlink); |
| if (IS_ERR(esw)) { |
| NL_SET_ERR_MSG_MOD(extack, "Eswitch doesn't support set hw_addr"); |
| return PTR_ERR(esw); |
| } |
| |
| vport_num = mlx5_esw_devlink_port_index_to_vport_num(port->index); |
| if (!is_port_function_supported(esw, vport_num)) { |
| NL_SET_ERR_MSG_MOD(extack, "Port doesn't support set hw_addr"); |
| return -EINVAL; |
| } |
| vport = mlx5_eswitch_get_vport(esw, vport_num); |
| if (IS_ERR(vport)) { |
| NL_SET_ERR_MSG_MOD(extack, "Invalid port"); |
| return PTR_ERR(vport); |
| } |
| |
| mutex_lock(&esw->state_lock); |
| if (vport->enabled) |
| err = mlx5_esw_set_vport_mac_locked(esw, vport, hw_addr); |
| else |
| NL_SET_ERR_MSG_MOD(extack, "Eswitch vport is disabled"); |
| mutex_unlock(&esw->state_lock); |
| return err; |
| } |
| |
| int mlx5_eswitch_set_vport_state(struct mlx5_eswitch *esw, |
| u16 vport, int link_state) |
| { |
| struct mlx5_vport *evport = mlx5_eswitch_get_vport(esw, vport); |
| int opmod = MLX5_VPORT_STATE_OP_MOD_ESW_VPORT; |
| int other_vport = 1; |
| int err = 0; |
| |
| if (!mlx5_esw_allowed(esw)) |
| return -EPERM; |
| if (IS_ERR(evport)) |
| return PTR_ERR(evport); |
| |
| if (vport == MLX5_VPORT_UPLINK) { |
| opmod = MLX5_VPORT_STATE_OP_MOD_UPLINK; |
| other_vport = 0; |
| vport = 0; |
| } |
| mutex_lock(&esw->state_lock); |
| if (esw->mode != MLX5_ESWITCH_LEGACY) { |
| err = -EOPNOTSUPP; |
| goto unlock; |
| } |
| |
| err = mlx5_modify_vport_admin_state(esw->dev, opmod, vport, other_vport, link_state); |
| if (err) { |
| mlx5_core_warn(esw->dev, "Failed to set vport %d link state, opmod = %d, err = %d", |
| vport, opmod, err); |
| goto unlock; |
| } |
| |
| evport->info.link_state = link_state; |
| |
| unlock: |
| mutex_unlock(&esw->state_lock); |
| return err; |
| } |
| |
| int mlx5_eswitch_get_vport_config(struct mlx5_eswitch *esw, |
| u16 vport, struct ifla_vf_info *ivi) |
| { |
| struct mlx5_vport *evport = mlx5_eswitch_get_vport(esw, vport); |
| |
| if (IS_ERR(evport)) |
| return PTR_ERR(evport); |
| |
| memset(ivi, 0, sizeof(*ivi)); |
| ivi->vf = vport - 1; |
| |
| mutex_lock(&esw->state_lock); |
| ether_addr_copy(ivi->mac, evport->info.mac); |
| ivi->linkstate = evport->info.link_state; |
| ivi->vlan = evport->info.vlan; |
| ivi->qos = evport->info.qos; |
| ivi->spoofchk = evport->info.spoofchk; |
| ivi->trusted = evport->info.trusted; |
| ivi->min_tx_rate = evport->qos.min_rate; |
| ivi->max_tx_rate = evport->qos.max_rate; |
| mutex_unlock(&esw->state_lock); |
| |
| return 0; |
| } |
| |
| int __mlx5_eswitch_set_vport_vlan(struct mlx5_eswitch *esw, |
| u16 vport, u16 vlan, u8 qos, u8 set_flags) |
| { |
| struct mlx5_vport *evport = mlx5_eswitch_get_vport(esw, vport); |
| bool vst_mode_steering = esw_vst_mode_is_steering(esw); |
| int err = 0; |
| |
| if (IS_ERR(evport)) |
| return PTR_ERR(evport); |
| if (vlan > 4095 || qos > 7) |
| return -EINVAL; |
| |
| if (esw->mode == MLX5_ESWITCH_OFFLOADS || !vst_mode_steering) { |
| err = modify_esw_vport_cvlan(esw->dev, vport, vlan, qos, set_flags); |
| if (err) |
| return err; |
| } |
| |
| evport->info.vlan = vlan; |
| evport->info.qos = qos; |
| if (evport->enabled && esw->mode == MLX5_ESWITCH_LEGACY) { |
| err = esw_acl_ingress_lgcy_setup(esw, evport); |
| if (err) |
| return err; |
| err = esw_acl_egress_lgcy_setup(esw, evport); |
| } |
| |
| return err; |
| } |
| |
| int mlx5_eswitch_get_vport_stats(struct mlx5_eswitch *esw, |
| u16 vport_num, |
| struct ifla_vf_stats *vf_stats) |
| { |
| struct mlx5_vport *vport = mlx5_eswitch_get_vport(esw, vport_num); |
| int outlen = MLX5_ST_SZ_BYTES(query_vport_counter_out); |
| u32 in[MLX5_ST_SZ_DW(query_vport_counter_in)] = {}; |
| struct mlx5_vport_drop_stats stats = {}; |
| int err = 0; |
| u32 *out; |
| |
| if (IS_ERR(vport)) |
| return PTR_ERR(vport); |
| |
| out = kvzalloc(outlen, GFP_KERNEL); |
| if (!out) |
| return -ENOMEM; |
| |
| MLX5_SET(query_vport_counter_in, in, opcode, |
| MLX5_CMD_OP_QUERY_VPORT_COUNTER); |
| MLX5_SET(query_vport_counter_in, in, op_mod, 0); |
| MLX5_SET(query_vport_counter_in, in, vport_number, vport->vport); |
| MLX5_SET(query_vport_counter_in, in, other_vport, 1); |
| |
| err = mlx5_cmd_exec_inout(esw->dev, query_vport_counter, in, out); |
| if (err) |
| goto free_out; |
| |
| #define MLX5_GET_CTR(p, x) \ |
| MLX5_GET64(query_vport_counter_out, p, x) |
| |
| memset(vf_stats, 0, sizeof(*vf_stats)); |
| vf_stats->rx_packets = |
| MLX5_GET_CTR(out, received_eth_unicast.packets) + |
| MLX5_GET_CTR(out, received_ib_unicast.packets) + |
| MLX5_GET_CTR(out, received_eth_multicast.packets) + |
| MLX5_GET_CTR(out, received_ib_multicast.packets) + |
| MLX5_GET_CTR(out, received_eth_broadcast.packets); |
| |
| vf_stats->rx_bytes = |
| MLX5_GET_CTR(out, received_eth_unicast.octets) + |
| MLX5_GET_CTR(out, received_ib_unicast.octets) + |
| MLX5_GET_CTR(out, received_eth_multicast.octets) + |
| MLX5_GET_CTR(out, received_ib_multicast.octets) + |
| MLX5_GET_CTR(out, received_eth_broadcast.octets); |
| |
| vf_stats->tx_packets = |
| MLX5_GET_CTR(out, transmitted_eth_unicast.packets) + |
| MLX5_GET_CTR(out, transmitted_ib_unicast.packets) + |
| MLX5_GET_CTR(out, transmitted_eth_multicast.packets) + |
| MLX5_GET_CTR(out, transmitted_ib_multicast.packets) + |
| MLX5_GET_CTR(out, transmitted_eth_broadcast.packets); |
| |
| vf_stats->tx_bytes = |
| MLX5_GET_CTR(out, transmitted_eth_unicast.octets) + |
| MLX5_GET_CTR(out, transmitted_ib_unicast.octets) + |
| MLX5_GET_CTR(out, transmitted_eth_multicast.octets) + |
| MLX5_GET_CTR(out, transmitted_ib_multicast.octets) + |
| MLX5_GET_CTR(out, transmitted_eth_broadcast.octets); |
| |
| vf_stats->multicast = |
| MLX5_GET_CTR(out, received_eth_multicast.packets) + |
| MLX5_GET_CTR(out, received_ib_multicast.packets); |
| |
| vf_stats->broadcast = |
| MLX5_GET_CTR(out, received_eth_broadcast.packets); |
| |
| err = mlx5_esw_query_vport_drop_stats(esw->dev, vport, &stats); |
| if (err) |
| goto free_out; |
| vf_stats->rx_dropped = stats.rx_dropped; |
| vf_stats->tx_dropped = stats.tx_dropped; |
| |
| free_out: |
| kvfree(out); |
| return err; |
| } |
| |
| u8 mlx5_eswitch_mode(const struct mlx5_core_dev *dev) |
| { |
| struct mlx5_eswitch *esw = dev->priv.eswitch; |
| |
| return mlx5_esw_allowed(esw) ? esw->mode : MLX5_ESWITCH_NONE; |
| } |
| EXPORT_SYMBOL_GPL(mlx5_eswitch_mode); |
| |
| enum devlink_eswitch_encap_mode |
| mlx5_eswitch_get_encap_mode(const struct mlx5_core_dev *dev) |
| { |
| struct mlx5_eswitch *esw; |
| |
| esw = dev->priv.eswitch; |
| return (mlx5_eswitch_mode(dev) == MLX5_ESWITCH_OFFLOADS) ? esw->offloads.encap : |
| DEVLINK_ESWITCH_ENCAP_MODE_NONE; |
| } |
| EXPORT_SYMBOL(mlx5_eswitch_get_encap_mode); |
| |
| bool mlx5_esw_lag_prereq(struct mlx5_core_dev *dev0, struct mlx5_core_dev *dev1) |
| { |
| if ((dev0->priv.eswitch->mode == MLX5_ESWITCH_NONE && |
| dev1->priv.eswitch->mode == MLX5_ESWITCH_NONE) || |
| (dev0->priv.eswitch->mode == MLX5_ESWITCH_OFFLOADS && |
| dev1->priv.eswitch->mode == MLX5_ESWITCH_OFFLOADS)) |
| return true; |
| |
| return false; |
| } |
| |
| bool mlx5_esw_multipath_prereq(struct mlx5_core_dev *dev0, |
| struct mlx5_core_dev *dev1) |
| { |
| return (dev0->priv.eswitch->mode == MLX5_ESWITCH_OFFLOADS && |
| dev1->priv.eswitch->mode == MLX5_ESWITCH_OFFLOADS); |
| } |
| |
| int mlx5_esw_event_notifier_register(struct mlx5_eswitch *esw, struct notifier_block *nb) |
| { |
| return blocking_notifier_chain_register(&esw->n_head, nb); |
| } |
| |
| void mlx5_esw_event_notifier_unregister(struct mlx5_eswitch *esw, struct notifier_block *nb) |
| { |
| blocking_notifier_chain_unregister(&esw->n_head, nb); |
| } |
| |
| /** |
| * mlx5_esw_hold() - Try to take a read lock on esw mode lock. |
| * @mdev: mlx5 core device. |
| * |
| * Should be called by esw resources callers. |
| * |
| * Return: true on success or false. |
| */ |
| bool mlx5_esw_hold(struct mlx5_core_dev *mdev) |
| { |
| struct mlx5_eswitch *esw = mdev->priv.eswitch; |
| |
| /* e.g. VF doesn't have eswitch so nothing to do */ |
| if (!mlx5_esw_allowed(esw)) |
| return true; |
| |
| if (down_read_trylock(&esw->mode_lock) != 0) |
| return true; |
| |
| return false; |
| } |
| |
| /** |
| * mlx5_esw_release() - Release a read lock on esw mode lock. |
| * @mdev: mlx5 core device. |
| */ |
| void mlx5_esw_release(struct mlx5_core_dev *mdev) |
| { |
| struct mlx5_eswitch *esw = mdev->priv.eswitch; |
| |
| if (mlx5_esw_allowed(esw)) |
| up_read(&esw->mode_lock); |
| } |
| |
| /** |
| * mlx5_esw_get() - Increase esw user count. |
| * @mdev: mlx5 core device. |
| */ |
| void mlx5_esw_get(struct mlx5_core_dev *mdev) |
| { |
| struct mlx5_eswitch *esw = mdev->priv.eswitch; |
| |
| if (mlx5_esw_allowed(esw)) |
| atomic64_inc(&esw->user_count); |
| } |
| |
| /** |
| * mlx5_esw_put() - Decrease esw user count. |
| * @mdev: mlx5 core device. |
| */ |
| void mlx5_esw_put(struct mlx5_core_dev *mdev) |
| { |
| struct mlx5_eswitch *esw = mdev->priv.eswitch; |
| |
| if (mlx5_esw_allowed(esw)) |
| atomic64_dec_if_positive(&esw->user_count); |
| } |
| |
| /** |
| * mlx5_esw_try_lock() - Take a write lock on esw mode lock. |
| * @esw: eswitch device. |
| * |
| * Should be called by esw mode change routine. |
| * |
| * Return: |
| * * 0 - esw mode if successfully locked and refcount is 0. |
| * * -EBUSY - refcount is not 0. |
| * * -EINVAL - In the middle of switching mode or lock is already held. |
| */ |
| int mlx5_esw_try_lock(struct mlx5_eswitch *esw) |
| { |
| if (down_write_trylock(&esw->mode_lock) == 0) |
| return -EINVAL; |
| |
| if (atomic64_read(&esw->user_count) > 0) { |
| up_write(&esw->mode_lock); |
| return -EBUSY; |
| } |
| |
| return esw->mode; |
| } |
| |
| /** |
| * mlx5_esw_unlock() - Release write lock on esw mode lock |
| * @esw: eswitch device. |
| */ |
| void mlx5_esw_unlock(struct mlx5_eswitch *esw) |
| { |
| if (!mlx5_esw_allowed(esw)) |
| return; |
| up_write(&esw->mode_lock); |
| } |
| |
| /** |
| * mlx5_esw_lock() - Take write lock on esw mode lock |
| * @esw: eswitch device. |
| */ |
| void mlx5_esw_lock(struct mlx5_eswitch *esw) |
| { |
| if (!mlx5_esw_allowed(esw)) |
| return; |
| down_write(&esw->mode_lock); |
| } |
| |
| /** |
| * mlx5_eswitch_get_total_vports - Get total vports of the eswitch |
| * |
| * @dev: Pointer to core device |
| * |
| * mlx5_eswitch_get_total_vports returns total number of eswitch vports. |
| */ |
| u16 mlx5_eswitch_get_total_vports(const struct mlx5_core_dev *dev) |
| { |
| struct mlx5_eswitch *esw; |
| |
| esw = dev->priv.eswitch; |
| return mlx5_esw_allowed(esw) ? esw->total_vports : 0; |
| } |
| EXPORT_SYMBOL_GPL(mlx5_eswitch_get_total_vports); |
| |
| /** |
| * mlx5_eswitch_get_core_dev - Get the mdev device |
| * @esw : eswitch device. |
| * |
| * Return the mellanox core device which manages the eswitch. |
| */ |
| struct mlx5_core_dev *mlx5_eswitch_get_core_dev(struct mlx5_eswitch *esw) |
| { |
| return mlx5_esw_allowed(esw) ? esw->dev : NULL; |
| } |
| EXPORT_SYMBOL(mlx5_eswitch_get_core_dev); |