diff options
| author | Kaike Wan <kaike.wan@intel.com> | 2019-01-24 06:50:24 +0100 |
|---|---|---|
| committer | Doug Ledford <dledford@redhat.com> | 2019-02-06 00:07:43 +0100 |
| commit | 829eaee5d09a7500bdce9ed0bc6ec6861f8ae45b (patch) | |
| tree | 9e554996b7e2ad37be06444e90a58e0a7a58d771 /drivers/infiniband/hw/hfi1/verbs.h | |
| parent | IB/hfi1: Add a function to receive TID RDMA ACK packet (diff) | |
| download | linux-829eaee5d09a7500bdce9ed0bc6ec6861f8ae45b.tar.xz linux-829eaee5d09a7500bdce9ed0bc6ec6861f8ae45b.zip | |
IB/hfi1: Add TID RDMA retry timer
This patch adds the TID RDMA retry timer to make sure that TID RDMA
WRITE DATA packets for a segment are received successfully by the
responder. This timer is generally armed when the last TID RDMA
WRITE DATA packet for a segment is sent out and stopped when all
TID RDMA DATA packets are acknowledged.
Reviewed-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: Mitko Haralanov <mitko.haralanov@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 | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/hfi1/verbs.h b/drivers/infiniband/hw/hfi1/verbs.h index 30e3f5af5cf1..bfd642e831f7 100644 --- a/drivers/infiniband/hw/hfi1/verbs.h +++ b/drivers/infiniband/hw/hfi1/verbs.h @@ -164,6 +164,7 @@ struct hfi1_qp_priv { u8 s_sc; /* SC[0..4] for next packet */ struct iowait s_iowait; struct timer_list s_tid_timer; /* for timing tid wait */ + struct timer_list s_tid_retry_timer; /* for timing tid ack */ struct list_head tid_wait; /* for queueing tid space */ struct hfi1_opfn_data opfn; struct tid_flow_state flow_state; @@ -172,6 +173,7 @@ struct hfi1_qp_priv { u8 hdr_type; /* 9B or 16B */ atomic_t n_tid_requests; /* # of sent TID RDMA requests */ unsigned long tid_timer_timeout_jiffies; + unsigned long tid_retry_timeout_jiffies; /* variables for the TID RDMA SE state machine */ u8 s_state; |