diff options
| author |   Kaike Wan <kaike.wan@intel.com> | 2019-01-23 21:50:14 -0800 |
|---|---|---|
| committer |   Doug Ledford <dledford@redhat.com> | 2019-02-05 18:07:43 -0500 |
| commit | 9e93e967f7b452e6c9e4a33d0b42ff64fa7293c4 (patch) | |
| tree | 8c76aa42fed96f25a4c434b57f9d748fc51386d5 /drivers/infiniband/hw/hfi1/verbs.h | |
| parent | IB/hfi1: Add a function to build TID RDMA ACK packet (diff) | |
| download | linux-dev-9e93e967f7b452e6c9e4a33d0b42ff64fa7293c4.tar.xz linux-dev-9e93e967f7b452e6c9e4a33d0b42ff64fa7293c4.zip | |
IB/hfi1: Add a function to receive TID RDMA ACK packet
This patch adds a function to receive TID RDMA ACK packet, which could
be an acknowledge to either a TID RDMA WRITE DATA packet or an TID
RDMA RESYNC packet. For an ACK to TID RDMA WRITE DATA packet, the
request segments are completed appropriately. For an ACK to a TID
RDMA RESYNC packet, any pending segment flow information is updated
accordingly.
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/verbs.h')
| -rw-r--r-- | drivers/infiniband/hw/hfi1/verbs.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/hfi1/verbs.h b/drivers/infiniband/hw/hfi1/verbs.h index 3a97a39aeba4..30e3f5af5cf1 100644 --- a/drivers/infiniband/hw/hfi1/verbs.h +++ b/drivers/infiniband/hw/hfi1/verbs.h @@ -170,9 +170,12 @@ struct hfi1_qp_priv { struct tid_rdma_qp_params tid_rdma; struct rvt_qp *owner; u8 hdr_type; /* 9B or 16B */ + atomic_t n_tid_requests; /* # of sent TID RDMA requests */ unsigned long tid_timer_timeout_jiffies; /* variables for the TID RDMA SE state machine */ + u8 s_state; + u8 s_retry; u8 rnr_nak_state; /* RNR NAK state */ u8 s_nak_state; u32 s_nak_psn; @@ -197,6 +200,7 @@ struct hfi1_qp_priv { u32 r_next_psn_kdeth; u32 r_next_psn_kdeth_save; + u32 s_resync_psn; u8 sync_pt; /* Set when QP reaches sync point */ u8 resync; }; |