From mboxrd@z Thu Jan 1 00:00:00 1970 From: Adit Ranadive Subject: [PATCH rdma-core] vmw_pvrdma: Add L2 MAC resolution for UD QPs Date: Wed, 9 Aug 2017 23:04:59 -0700 Message-ID: <1502345099-6534-1-git-send-email-aditr@vmware.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: Sender: linux-rdma-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: dledford-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org, linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, pv-drivers-pghWNbHTmq7QT0dZR+AlfA@public.gmane.org Cc: Bryan Tan , jhansen-pghWNbHTmq7QT0dZR+AlfA@public.gmane.org, asarwade-pghWNbHTmq7QT0dZR+AlfA@public.gmane.org, Adit Ranadive List-Id: linux-rdma@vger.kernel.org From: Bryan Tan From: Bryan Tan Use a libibverbs function to resolve the destination MAC address for a non-default GID in UD QPs. Signed-off-by: Bryan Tan Signed-off-by: Adit Ranadive --- 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 -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html