xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

net/smc: return active RoCE port only

Browse Source 
SMC requires an active ib port on the RoCE device.
smc_pnet_find_roce_resource() determines the matching RoCE device port
according to the configured PNET table. Do not return the found
RoCE device port, if it is not flagged active.

Signed-off-by: Ursula Braun <ubraun@linux.vnet.ibm.com>
Reviewed-by: Thomas Richter <tmricht@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ursula Braun
2017-04-10 14:57:58 +02:00
committed by David S. Miller
parent 249633a443
commit 5da7e4d355
1 changed files with 5 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
net/smc/smc_pnet.c
View File

@@ -523,8 +523,11 @@ void smc_pnet_find_roce_resource(struct sock *sk,
read_lock(&smc_pnettable.lock); read_lock(&smc_pnettable.lock);
list_for_each_entry(pnetelem, &smc_pnettable.pnetlist, list) { list_for_each_entry(pnetelem, &smc_pnettable.pnetlist, list) {
if (dst->dev == pnetelem->ndev) { if (dst->dev == pnetelem->ndev) {
*smcibdev = pnetelem->smcibdev; if (smc_ib_port_active(pnetelem->smcibdev,
*ibport = pnetelem->ib_port; pnetelem->ib_port)) {
*smcibdev = pnetelem->smcibdev;
*ibport = pnetelem->ib_port;
}
break; break;
} }
} }