Merge branch 'net-smc-fixes-2020-11-18'
Karsten Graul says:
====================
net/smc: fixes 2020-11-18
Patch 1 fixes the matching of link groups because with SMC-Dv2 the vlanid
should no longer be part of this matching. Patch 2 removes a sparse message.
====================
Link: https://lore.kernel.org/r/20201118214038.24039-1-kgraul@linux.ibm.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
diff --git a/net/smc/af_smc.c b/net/smc/af_smc.c
index e9f487c..5dd4faa 100644
--- a/net/smc/af_smc.c
+++ b/net/smc/af_smc.c
@@ -979,7 +979,8 @@
/* check if smc modes and versions of CLC proposal and accept match */
rc = smc_connect_check_aclc(ini, aclc);
- version = aclc->hdr.version == SMC_V1 ? SMC_V1 : version;
+ version = aclc->hdr.version == SMC_V1 ? SMC_V1 : SMC_V2;
+ ini->smcd_version = version;
if (rc)
goto vlan_cleanup;
diff --git a/net/smc/smc_core.c b/net/smc/smc_core.c
index 2b19863..af96f81 100644
--- a/net/smc/smc_core.c
+++ b/net/smc/smc_core.c
@@ -1309,7 +1309,8 @@
ini->ism_peer_gid[ini->ism_selected]) :
smcr_lgr_match(lgr, ini->ib_lcl, role, ini->ib_clcqpn)) &&
!lgr->sync_err &&
- lgr->vlan_id == ini->vlan_id &&
+ (ini->smcd_version == SMC_V2 ||
+ lgr->vlan_id == ini->vlan_id) &&
(role == SMC_CLNT || ini->is_smcd ||
lgr->conns_num < SMC_RMBS_PER_LGR_MAX)) {
/* link group found */
diff --git a/net/smc/smc_ib.c b/net/smc/smc_ib.c
index 1c314db..fc766b5 100644
--- a/net/smc/smc_ib.c
+++ b/net/smc/smc_ib.c
@@ -198,9 +198,9 @@
rcu_read_lock();
ndev = rdma_read_gid_attr_ndev_rcu(attr);
if (!IS_ERR(ndev) &&
- ((!vlan_id && !is_vlan_dev(attr->ndev)) ||
- (vlan_id && is_vlan_dev(attr->ndev) &&
- vlan_dev_vlan_id(attr->ndev) == vlan_id)) &&
+ ((!vlan_id && !is_vlan_dev(ndev)) ||
+ (vlan_id && is_vlan_dev(ndev) &&
+ vlan_dev_vlan_id(ndev) == vlan_id)) &&
attr->gid_type == IB_GID_TYPE_ROCE) {
rcu_read_unlock();
if (gid)
