From: Bryan Tan <bryantan@xxxxxxxxxx>
From: Bryan Tan <bryantan@xxxxxxxxxx>
Use a libibverbs function to resolve the destination MAC address
for a non-default GID in UD QPs.
Signed-off-by: Bryan Tan <bryantan@xxxxxxxxxx>
Signed-off-by: Adit Ranadive <aditr@xxxxxxxxxx>
---
providers/vmw_pvrdma/verbs.c | 10 +++++++++-
1 file changed, 9 insertions(+), 1 deletion(-)
diff --git a/providers/vmw_pvrdma/verbs.c b/providers/vmw_pvrdma/verbs.c
index 1bb1634..852aced 100644
--- a/providers/vmw_pvrdma/verbs.c
+++ b/providers/vmw_pvrdma/verbs.c
@@ -186,6 +186,7 @@ struct ibv_ah *pvrdma_create_ah(struct ibv_pd *pd,
struct pvrdma_ah *ah;
struct pvrdma_av *av;
struct ibv_port_attr port_attr;
+ uint16_t vlan_id;
if (!attr->is_global)
return NULL;
@@ -216,7 +217,14 @@ struct ibv_ah *pvrdma_create_ah(struct ibv_pd *pd,
av->sl_tclass_flowlabel = (attr->grh.traffic_class << 20) |
attr->grh.flow_label;
memcpy(av->dgid, attr->grh.dgid.raw, 16);
- set_mac_from_gid(&attr->grh.dgid, av->dmac);
+
+ if (ibv_resolve_eth_l2_from_gid(pd->context, attr,
+ av->dmac, &vlan_id)) {
+ free(ah);
+ return NULL;
+ } else {
+ set_mac_from_gid(&attr->grh.dgid, av->dmac);
+ }
return &ah->ibv_ah;
}
--
2.7.4
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