diff --git a/net/smc/smc_core.c b/net/smc/smc_core.c index 20d1417f0a68..b53cdecf621d 100644 --- a/net/smc/smc_core.c +++ b/net/smc/smc_core.c @@ -897,6 +897,7 @@ static int smc_lgr_create(struct smc_sock *smc, struct smc_init_info *ini) smc_wr_free_lgr_mem(lgr); goto free_wq; } + lgr->net = smc_ib_net(lnk->smcibdev); lgr_list = &smc_lgr_list.list; lgr_lock = &smc_lgr_list.lock; atomic_inc(&lgr_cnt); @@ -1585,7 +1586,8 @@ void smcr_port_add(struct smc_ib_device *smcibdev, u8 ibport) if (strncmp(smcibdev->pnetid[ibport - 1], lgr->pnet_id, SMC_MAX_PNETID_LEN) || lgr->type == SMC_LGR_SYMMETRIC || - lgr->type == SMC_LGR_ASYMMETRIC_PEER) + lgr->type == SMC_LGR_ASYMMETRIC_PEER || + !rdma_dev_access_netns(smcibdev->ibdev, lgr->net)) continue; /* trigger local add link processing */ @@ -1743,8 +1745,10 @@ static bool smcr_lgr_match(struct smc_link_group *lgr, u8 smcr_version, u8 peer_systemid[], u8 peer_gid[], u8 peer_mac_v1[], - enum smc_lgr_role role, u32 clcqpn) + enum smc_lgr_role role, u32 clcqpn, + struct net *net) { + struct smc_link *lnk; int i; if (memcmp(lgr->peer_systemid, peer_systemid, SMC_SYSTEMID_LEN) || @@ -1752,12 +1756,17 @@ static bool smcr_lgr_match(struct smc_link_group *lgr, u8 smcr_version, return false; for (i = 0; i < SMC_LINKS_PER_LGR_MAX; i++) { - if (!smc_link_active(&lgr->lnk[i])) + lnk = &lgr->lnk[i]; + + if (!smc_link_active(lnk)) continue; - if ((lgr->role == SMC_SERV || lgr->lnk[i].peer_qpn == clcqpn) && - !memcmp(lgr->lnk[i].peer_gid, peer_gid, SMC_GID_SIZE) && + /* use verbs API to check netns, instead of lgr->net */ + if (!rdma_dev_access_netns(lnk->smcibdev->ibdev, net)) + return false; + if ((lgr->role == SMC_SERV || lnk->peer_qpn == clcqpn) && + !memcmp(lnk->peer_gid, peer_gid, SMC_GID_SIZE) && (smcr_version == SMC_V2 || - !memcmp(lgr->lnk[i].peer_mac, peer_mac_v1, ETH_ALEN))) + !memcmp(lnk->peer_mac, peer_mac_v1, ETH_ALEN))) return true; } return false; @@ -1773,6 +1782,7 @@ static bool smcd_lgr_match(struct smc_link_group *lgr, int smc_conn_create(struct smc_sock *smc, struct smc_init_info *ini) { struct smc_connection *conn = &smc->conn; + struct net *net = sock_net(&smc->sk); struct list_head *lgr_list; struct smc_link_group *lgr; enum smc_lgr_role role; @@ -1799,7 +1809,7 @@ int smc_conn_create(struct smc_sock *smc, struct smc_init_info *ini) smcr_lgr_match(lgr, ini->smcr_version, ini->peer_systemid, ini->peer_gid, ini->peer_mac, role, - ini->ib_clcqpn)) && + ini->ib_clcqpn, net)) && !lgr->sync_err && (ini->smcd_version == SMC_V2 || lgr->vlan_id == ini->vlan_id) && diff --git a/net/smc/smc_core.h b/net/smc/smc_core.h index d63b08274197..1e4e90faf657 100644 --- a/net/smc/smc_core.h +++ b/net/smc/smc_core.h @@ -306,6 +306,8 @@ struct smc_link_group { u8 nexthop_mac[ETH_ALEN]; u8 uses_gateway; __be32 saddr; + /* net namespace */ + struct net *net; }; struct { /* SMC-D */ u64 peer_gid; diff --git a/net/smc/smc_ib.h b/net/smc/smc_ib.h index bfa1c6bf6313..5d8b49c57f50 100644 --- a/net/smc/smc_ib.h +++ b/net/smc/smc_ib.h @@ -69,6 +69,13 @@ static inline __be32 smc_ib_gid_to_ipv4(u8 gid[SMC_GID_SIZE]) return cpu_to_be32(INADDR_NONE); } +static inline struct net *smc_ib_net(struct smc_ib_device *smcibdev) +{ + if (smcibdev && smcibdev->ibdev) + return read_pnet(&smcibdev->ibdev->coredev.rdma_net); + return NULL; +} + struct smc_init_info_smcrv2; struct smc_buf_desc; struct smc_link; diff --git a/net/smc/smc_pnet.c b/net/smc/smc_pnet.c index e171cc6483f8..db9825c01e0a 100644 --- a/net/smc/smc_pnet.c +++ b/net/smc/smc_pnet.c @@ -977,14 +977,16 @@ static int smc_pnet_determine_gid(struct smc_ib_device *ibdev, int i, /* find a roce device for the given pnetid */ static void _smc_pnet_find_roce_by_pnetid(u8 *pnet_id, struct smc_init_info *ini, - struct smc_ib_device *known_dev) + struct smc_ib_device *known_dev, + struct net *net) { struct smc_ib_device *ibdev; int i; mutex_lock(&smc_ib_devices.mutex); list_for_each_entry(ibdev, &smc_ib_devices.list, list) { - if (ibdev == known_dev) + if (ibdev == known_dev || + !rdma_dev_access_netns(ibdev->ibdev, net)) continue; for (i = 1; i <= SMC_MAX_PORTS; i++) { if (!rdma_is_port_valid(ibdev->ibdev, i)) @@ -1001,12 +1003,14 @@ static void _smc_pnet_find_roce_by_pnetid(u8 *pnet_id, mutex_unlock(&smc_ib_devices.mutex); } -/* find alternate roce device with same pnet_id and vlan_id */ +/* find alternate roce device with same pnet_id, vlan_id and net namespace */ void smc_pnet_find_alt_roce(struct smc_link_group *lgr, struct smc_init_info *ini, struct smc_ib_device *known_dev) { - _smc_pnet_find_roce_by_pnetid(lgr->pnet_id, ini, known_dev); + struct net *net = lgr->net; + + _smc_pnet_find_roce_by_pnetid(lgr->pnet_id, ini, known_dev, net); } /* if handshake network device belongs to a roce device, return its @@ -1015,6 +1019,7 @@ void smc_pnet_find_alt_roce(struct smc_link_group *lgr, static void smc_pnet_find_rdma_dev(struct net_device *netdev, struct smc_init_info *ini) { + struct net *net = dev_net(netdev); struct smc_ib_device *ibdev; mutex_lock(&smc_ib_devices.mutex); @@ -1022,6 +1027,10 @@ static void smc_pnet_find_rdma_dev(struct net_device *netdev, struct net_device *ndev; int i; + /* check rdma net namespace */ + if (!rdma_dev_access_netns(ibdev->ibdev, net)) + continue; + for (i = 1; i <= SMC_MAX_PORTS; i++) { if (!rdma_is_port_valid(ibdev->ibdev, i)) continue; @@ -1052,15 +1061,17 @@ static void smc_pnet_find_roce_by_pnetid(struct net_device *ndev, struct smc_init_info *ini) { u8 ndev_pnetid[SMC_MAX_PNETID_LEN]; + struct net *net; ndev = pnet_find_base_ndev(ndev); + net = dev_net(ndev); if (smc_pnetid_by_dev_port(ndev->dev.parent, ndev->dev_port, ndev_pnetid) && smc_pnet_find_ndev_pnetid_by_table(ndev, ndev_pnetid)) { smc_pnet_find_rdma_dev(ndev, ini); return; /* pnetid could not be determined */ } - _smc_pnet_find_roce_by_pnetid(ndev_pnetid, ini, NULL); + _smc_pnet_find_roce_by_pnetid(ndev_pnetid, ini, NULL, net); } static void smc_pnet_find_ism_by_pnetid(struct net_device *ndev,