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Commit d27b2f15 authored May 19, 2015 by Mitesh Ahuja Committed by Doug Ledford May 18, 2015

RDMA/ocrdma: Fix dmac resolution for link local address



rdma_addr_find_dmac_by_grh fails to resolve dmac for link local address.
Use rdma_get_ll_mac to resolve the link local address.

Signed-off-by: Padmanabh Ratnakar <padmanabh.ratnakar@avagotech.com>
Signed-off-by: Mitesh Ahuja <mitesh.ahuja@avagotech.com>
Signed-off-by: Devesh Sharma <devesh.sharma@avagotech.com>
Signed-off-by: Selvin Xavier <selvin.xavier@avagotech.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>

parent 59582d86

drivers/infiniband/hw/ocrdma/ocrdma.h

+2 −0

Original line number	Diff line number	Diff line
		@@ -515,6 +515,8 @@ static inline int ocrdma_resolve_dmac(struct ocrdma_dev *dev,
		memcpy(&in6, ah_attr->grh.dgid.raw, sizeof(in6));
		if (rdma_is_multicast_addr(&in6))
		rdma_get_mcast_mac(&in6, mac_addr);
		else if (rdma_link_local_addr(&in6))
		rdma_get_ll_mac(&in6, mac_addr);
		else
		memcpy(mac_addr, ah_attr->dmac, ETH_ALEN);
		return 0;

drivers/infiniband/hw/ocrdma/ocrdma_ah.c

+3 −1

Original line number	Diff line number	Diff line
		@@ -127,7 +127,9 @@ struct ib_ah ocrdma_create_ah(struct ib_pd ibpd, struct ib_ah_attr *attr)
		goto av_conf_err;
		}

		if (pd->uctx) {
		if ((pd->uctx) &&
		(!rdma_is_multicast_addr((struct in6_addr *)attr->grh.dgid.raw)) &&
		(!rdma_link_local_addr((struct in6_addr *)attr->grh.dgid.raw))) {
		status = rdma_addr_find_dmac_by_grh(&sgid, &attr->grh.dgid,
		attr->dmac, &attr->vlan_id);
		if (status) {