diff options
| author |   Kaike Wan <kaike.wan@intel.com> | 2019-01-23 21:50:24 -0800 |
|---|---|---|
| committer |   Doug Ledford <dledford@redhat.com> | 2019-02-05 18:07:43 -0500 |
| commit | 829eaee5d09a7500bdce9ed0bc6ec6861f8ae45b (patch) | |
| tree | 9e554996b7e2ad37be06444e90a58e0a7a58d771 /drivers/infiniband/hw/hfi1/tid_rdma.h | |
| parent | IB/hfi1: Add a function to receive TID RDMA ACK packet (diff) | |
| download | linux-dev-829eaee5d09a7500bdce9ed0bc6ec6861f8ae45b.tar.xz linux-dev-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/tid_rdma.h')
| -rw-r--r-- | drivers/infiniband/hw/hfi1/tid_rdma.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/hfi1/tid_rdma.h b/drivers/infiniband/hw/hfi1/tid_rdma.h index 499036e7a3e8..3be5f79ed1fb 100644 --- a/drivers/infiniband/hw/hfi1/tid_rdma.h +++ b/drivers/infiniband/hw/hfi1/tid_rdma.h @@ -29,6 +29,7 @@ #define HFI1_R_TID_RSC_TIMER BIT(2) /* BIT(4) reserved for RVT_S_ACK_PENDING. */ #define HFI1_S_TID_WAIT_INTERLCK BIT(5) +#define HFI1_S_TID_RETRY_TIMER BIT(17) #define HFI1_R_TID_SW_PSN BIT(19) /* @@ -288,4 +289,7 @@ u32 hfi1_build_tid_rdma_write_ack(struct rvt_qp *qp, struct rvt_ack_entry *e, void hfi1_rc_rcv_tid_rdma_ack(struct hfi1_packet *packet); +void hfi1_add_tid_retry_timer(struct rvt_qp *qp); +void hfi1_del_tid_retry_timer(struct rvt_qp *qp); + #endif /* HFI1_TID_RDMA_H */ |