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RDMA/ocrdma: Always resolve destination mac from GRH for UD QPs

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For user applications that use UD QPs, always resolve destination MAC
from the GRH.  This is to avoid failure due to any garbage value in
the attr->dmac.

Signed-off-by: Selvin Xavier <selvin.xavier@emulex.com>
Signed-off-by: Devesh Sharma <devesh.sharma@emulex.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
This commit is contained in:
Devesh Sharma 2014-11-24 10:03:39 +05:30 committed by Roland Dreier
parent 95bf0093a9
commit e5f0508d43
1 changed files with 1 additions and 4 deletions
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5
drivers/infiniband/hw/ocrdma/ocrdma_ah.c
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@ -96,7 +96,6 @@ struct ib_ah *ocrdma_create_ah(struct ib_pd *ibpd, struct ib_ah_attr *attr)
struct ocrdma_pd *pd = get_ocrdma_pd(ibpd);
struct ocrdma_dev *dev = get_ocrdma_dev(ibpd->device);
union ib_gid sgid;
u8 zmac[ETH_ALEN];
if (!(attr->ah_flags & IB_AH_GRH))
return ERR_PTR(-EINVAL);
@ -118,9 +117,7 @@ struct ib_ah *ocrdma_create_ah(struct ib_pd *ibpd, struct ib_ah_attr *attr)
goto av_conf_err;
}
memset(&zmac, 0, ETH_ALEN);
if (pd->uctx &&
memcmp(attr->dmac, &zmac, ETH_ALEN)) {
if (pd->uctx) {
status = rdma_addr_find_dmac_by_grh(&sgid, &attr->grh.dgid,
attr->dmac, &attr->vlan_id);
if (status) {