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authorRoland Dreier <rolandd@cisco.com>2008-04-17 08:09:32 +0400
committerRoland Dreier <rolandd@cisco.com>2008-04-17 08:09:32 +0400
commit139b2db7951ed0c808884cfebca02a884aebe0c3 (patch)
treedf4a799be1302f4776db9b612d38e0c1ca8eab79 /drivers/infiniband/hw/amso1100/c2_qp.c
parent0f39cf3d54e67a705773fd0ec56ca3dcd3e9272f (diff)
downloadlinux-139b2db7951ed0c808884cfebca02a884aebe0c3.tar.xz
RDMA/amso1100: Add support for "send with invalidate" work requests
Handle IB_WR_SEND_WITH_INV work requests. This resurrects a patch sent long ago by Mikkel Hagen <mhagen@iol.unh.edu>. Signed-off-by: Roland Dreier <rolandd@cisco.com>
Diffstat (limited to 'drivers/infiniband/hw/amso1100/c2_qp.c')
-rw-r--r--drivers/infiniband/hw/amso1100/c2_qp.c22
1 files changed, 15 insertions, 7 deletions
diff --git a/drivers/infiniband/hw/amso1100/c2_qp.c b/drivers/infiniband/hw/amso1100/c2_qp.c
index 9190bd52f51f..a6d89440ad2c 100644
--- a/drivers/infiniband/hw/amso1100/c2_qp.c
+++ b/drivers/infiniband/hw/amso1100/c2_qp.c
@@ -811,16 +811,24 @@ int c2_post_send(struct ib_qp *ibqp, struct ib_send_wr *ib_wr,
switch (ib_wr->opcode) {
case IB_WR_SEND:
- if (ib_wr->send_flags & IB_SEND_SOLICITED) {
- c2_wr_set_id(&wr, C2_WR_TYPE_SEND_SE);
- msg_size = sizeof(struct c2wr_send_req);
+ case IB_WR_SEND_WITH_INV:
+ if (ib_wr->opcode == IB_WR_SEND) {
+ if (ib_wr->send_flags & IB_SEND_SOLICITED)
+ c2_wr_set_id(&wr, C2_WR_TYPE_SEND_SE);
+ else
+ c2_wr_set_id(&wr, C2_WR_TYPE_SEND);
+ wr.sqwr.send.remote_stag = 0;
} else {
- c2_wr_set_id(&wr, C2_WR_TYPE_SEND);
- msg_size = sizeof(struct c2wr_send_req);
+ if (ib_wr->send_flags & IB_SEND_SOLICITED)
+ c2_wr_set_id(&wr, C2_WR_TYPE_SEND_SE_INV);
+ else
+ c2_wr_set_id(&wr, C2_WR_TYPE_SEND_INV);
+ wr.sqwr.send.remote_stag =
+ cpu_to_be32(ib_wr->ex.invalidate_rkey);
}
- wr.sqwr.send.remote_stag = 0;
- msg_size += sizeof(struct c2_data_addr) * ib_wr->num_sge;
+ msg_size = sizeof(struct c2wr_send_req) +
+ sizeof(struct c2_data_addr) * ib_wr->num_sge;
if (ib_wr->num_sge > qp->send_sgl_depth) {
err = -EINVAL;
break;