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IB/core: Define 'ib' and 'roce' rdma_ah_attr types

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rdma_ah_attr can now be either ib or roce allowing
core components to use one type or the other and also
to define attributes unique to a specific type. struct
ib_ah is also initialized with the type when its first
created. This ensures that calls such as modify_ah
dont modify the type of the address handle attribute.

Reviewed-by: Ira Weiny <[email protected]>
Reviewed-by: Don Hiatt <[email protected]>
Reviewed-by: Sean Hefty <[email protected]>
Reviewed-by: Niranjana Vishwanathapura <[email protected]>
Signed-off-by: Dasaratharaman Chandramouli <[email protected]>
Signed-off-by: Doug Ledford <[email protected]>
This commit is contained in:
Dasaratharaman Chandramouli 2017-04-29 14:41:29 -04:00 • committed by Doug Ledford
commit 44c58487d5
31 changed files with 141 additions and 76 deletions
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3
net/smc/smc_ib.c
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@ -80,10 +80,11 @@ static int smc_ib_modify_qp_rtr(struct smc_link *lnk)
memset(&qp_attr, 0, sizeof(qp_attr));
qp_attr.qp_state = IB_QPS_RTR;
qp_attr.path_mtu = min(lnk->path_mtu, lnk->peer_mtu);
qp_attr.ah_attr.type = RDMA_AH_ATTR_TYPE_ROCE;
rdma_ah_set_port_num(&qp_attr.ah_attr, lnk->ibport);
rdma_ah_set_grh(&qp_attr.ah_attr, NULL, 0, 0, 1, 0);
rdma_ah_set_dgid_raw(&qp_attr.ah_attr, lnk->peer_gid);
memcpy(&qp_attr.ah_attr.dmac, lnk->peer_mac,
memcpy(&qp_attr.ah_attr.roce.dmac, lnk->peer_mac,
sizeof(lnk->peer_mac));
qp_attr.dest_qp_num = lnk->peer_qpn;
qp_attr.rq_psn = lnk->peer_psn; /* starting receive packet seq # */