diff options
| author | Ursula Braun <ubraun@linux.ibm.com> | 2019-10-09 11:07:46 +0300 |
|---|---|---|
| committer | Jakub Kicinski <jakub.kicinski@netronome.com> | 2019-10-10 05:45:44 +0300 |
| commit | c3d9494e68c4a5d23227ede822fda9bd68bef8e3 (patch) | |
| tree | 640a13f101e2cbd834dcb1bccf9529b374436ff9 /net/smc/smc_pnet.c | |
| parent | b3cb53c05f20c5b4026a36a7bbd3010d1f3e0a55 (diff) | |
| download | linux-c3d9494e68c4a5d23227ede822fda9bd68bef8e3.tar.xz | |
net/smc: no new connections on disappearing devices
Add a "going_away" indication to ISM devices and IB ports and
avoid creation of new connections on such disappearing devices.
And do not handle ISM events if ISM device is disappearing.
Signed-off-by: Ursula Braun <ubraun@linux.ibm.com>
Signed-off-by: Karsten Graul <kgraul@linux.ibm.com>
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Diffstat (limited to 'net/smc/smc_pnet.c')
| -rw-r--r-- | net/smc/smc_pnet.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/net/smc/smc_pnet.c b/net/smc/smc_pnet.c index bab2da8cf17a..6b7799b3f5ca 100644 --- a/net/smc/smc_pnet.c +++ b/net/smc/smc_pnet.c @@ -781,6 +781,7 @@ static void smc_pnet_find_rdma_dev(struct net_device *netdev, dev_put(ndev); if (netdev == ndev && smc_ib_port_active(ibdev, i) && + !test_bit(i - 1, ibdev->ports_going_away) && !smc_ib_determine_gid(ibdev, i, ini->vlan_id, ini->ib_gid, NULL)) { ini->ib_dev = ibdev; @@ -820,6 +821,7 @@ static void smc_pnet_find_roce_by_pnetid(struct net_device *ndev, continue; if (smc_pnet_match(ibdev->pnetid[i - 1], ndev_pnetid) && smc_ib_port_active(ibdev, i) && + !test_bit(i - 1, ibdev->ports_going_away) && !smc_ib_determine_gid(ibdev, i, ini->vlan_id, ini->ib_gid, NULL)) { ini->ib_dev = ibdev; @@ -846,7 +848,8 @@ static void smc_pnet_find_ism_by_pnetid(struct net_device *ndev, spin_lock(&smcd_dev_list.lock); list_for_each_entry(ismdev, &smcd_dev_list.list, list) { - if (smc_pnet_match(ismdev->pnetid, ndev_pnetid)) { + if (smc_pnet_match(ismdev->pnetid, ndev_pnetid) && + !ismdev->going_away) { ini->ism_dev = ismdev; break; } |