diff options
| author | Kaike Wan <kaike.wan@intel.com> | 2019-01-24 08:48:59 +0300 |
|---|---|---|
| committer | Doug Ledford <dledford@redhat.com> | 2019-02-06 02:07:43 +0300 |
| commit | 07b923701e38f93b4725e64318e6483f890c1c1d (patch) | |
| tree | 5dc4778f9d08891a2e95ed4f1bb545a9c1ee6934 /drivers/infiniband/hw/hfi1/rc.c | |
| parent | 4f9264d156dc6c154a8a6cfae780730bad45c6f8 (diff) | |
| download | linux-07b923701e38f93b4725e64318e6483f890c1c1d.tar.xz | |
IB/hfi1: Add functions to receive TID RDMA WRITE request
This patch adds the functions to receive TID RDMA WRITE request. The
request will be stored in the QP's s_ack_queue. This patch also adds
code to handle duplicate TID RDMA WRITE request and a function to
allocate TID resources for data receiving on the responder side.
Signed-off-by: Mitko Haralanov <mitko.haralanov@intel.com>
Signed-off-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: Ashutosh Dixit <ashutosh.dixit@intel.com>
Signed-off-by: Kaike Wan <kaike.wan@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/infiniband/hw/hfi1/rc.c')
| -rw-r--r-- | drivers/infiniband/hw/hfi1/rc.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/hfi1/rc.c b/drivers/infiniband/hw/hfi1/rc.c index 9dc8e524510e..fcb733ea8dfb 100644 --- a/drivers/infiniband/hw/hfi1/rc.c +++ b/drivers/infiniband/hw/hfi1/rc.c @@ -2411,6 +2411,7 @@ void hfi1_rc_rcv(struct hfi1_packet *packet) void *data = packet->payload; u32 tlen = packet->tlen; struct rvt_qp *qp = packet->qp; + struct hfi1_qp_priv *qpriv = qp->priv; struct hfi1_ibport *ibp = rcd_to_iport(rcd); struct ib_other_headers *ohdr = packet->ohdr; u32 opcode = packet->opcode; @@ -2716,6 +2717,7 @@ send_last: qp->r_state = opcode; qp->r_nak_state = 0; qp->r_head_ack_queue = next; + qpriv->r_tid_alloc = qp->r_head_ack_queue; /* Schedule the send engine. */ qp->s_flags |= RVT_S_RESP_PENDING; @@ -2789,6 +2791,7 @@ ack: qp->r_state = opcode; qp->r_nak_state = 0; qp->r_head_ack_queue = next; + qpriv->r_tid_alloc = qp->r_head_ack_queue; /* Schedule the send engine. */ qp->s_flags |= RVT_S_RESP_PENDING; |