diff options
| author | Selvin Xavier <selvin.xavier@broadcom.com> | 2023-12-07 13:47:38 +0300 |
|---|---|---|
| committer | Leon Romanovsky <leon@kernel.org> | 2023-12-11 10:56:28 +0300 |
| commit | 6027c20dad1ad1da45877151d8b75dc51a928ccd (patch) | |
| tree | 97d98f80986a046cc093d00ba6b1b1146b9417f4 /drivers/infiniband | |
| parent | 880a5dd1880a296575e92dec9816a7f35a7011d1 (diff) | |
| download | linux-6027c20dad1ad1da45877151d8b75dc51a928ccd.tar.xz | |
RDMA/bnxt_re: Get the toggle bits from CQ completions
Get the toggle bits from CQ completions. For older adapters
these values are 0.
Signed-off-by: Selvin Xavier <selvin.xavier@broadcom.com>
Link: https://lore.kernel.org/r/1701946060-13931-5-git-send-email-selvin.xavier@broadcom.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Diffstat (limited to 'drivers/infiniband')
| -rw-r--r-- | drivers/infiniband/hw/bnxt_re/qplib_fp.c | 6 | ||||
| -rw-r--r-- | drivers/infiniband/hw/bnxt_re/qplib_fp.h | 1 | ||||
| -rw-r--r-- | drivers/infiniband/hw/bnxt_re/qplib_res.h | 1 |
3 files changed, 8 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/bnxt_re/qplib_fp.c b/drivers/infiniband/hw/bnxt_re/qplib_fp.c index 1b7e9506b457..177c6c185f0c 100644 --- a/drivers/infiniband/hw/bnxt_re/qplib_fp.c +++ b/drivers/infiniband/hw/bnxt_re/qplib_fp.c @@ -330,6 +330,9 @@ static void bnxt_qplib_service_nq(struct tasklet_struct *t) cq = (struct bnxt_qplib_cq *)(unsigned long)q_handle; if (!cq) break; + cq->toggle = (le16_to_cpu(nqe->info10_type) & + NQ_CN_TOGGLE_MASK) >> NQ_CN_TOGGLE_SFT; + cq->dbinfo.toggle = cq->toggle; bnxt_qplib_armen_db(&cq->dbinfo, DBC_DBC_TYPE_CQ_ARMENA); spin_lock_bh(&cq->compl_lock); @@ -2124,6 +2127,8 @@ int bnxt_qplib_create_cq(struct bnxt_qplib_res *res, struct bnxt_qplib_cq *cq) cq->dbinfo.xid = cq->id; cq->dbinfo.db = cq->dpi->dbr; cq->dbinfo.priv_db = res->dpi_tbl.priv_db; + cq->dbinfo.flags = 0; + cq->dbinfo.toggle = 0; bnxt_qplib_armen_db(&cq->dbinfo, DBC_DBC_TYPE_CQ_ARMENA); @@ -3018,6 +3023,7 @@ exit: void bnxt_qplib_req_notify_cq(struct bnxt_qplib_cq *cq, u32 arm_type) { + cq->dbinfo.toggle = cq->toggle; if (arm_type) bnxt_qplib_ring_db(&cq->dbinfo, arm_type); /* Using cq->arm_state variable to track whether to issue cq handler */ diff --git a/drivers/infiniband/hw/bnxt_re/qplib_fp.h b/drivers/infiniband/hw/bnxt_re/qplib_fp.h index 23c27cb42978..8a6bea201b29 100644 --- a/drivers/infiniband/hw/bnxt_re/qplib_fp.h +++ b/drivers/infiniband/hw/bnxt_re/qplib_fp.h @@ -418,6 +418,7 @@ struct bnxt_qplib_cq { bool resize_in_progress; struct bnxt_qplib_sg_info sg_info; u64 cq_handle; + u8 toggle; #define CQ_RESIZE_WAIT_TIME_MS 500 unsigned long flags; diff --git a/drivers/infiniband/hw/bnxt_re/qplib_res.h b/drivers/infiniband/hw/bnxt_re/qplib_res.h index 397846bc8712..7e6d9074f900 100644 --- a/drivers/infiniband/hw/bnxt_re/qplib_res.h +++ b/drivers/infiniband/hw/bnxt_re/qplib_res.h @@ -190,6 +190,7 @@ struct bnxt_qplib_db_info { u32 xid; u32 max_slot; u32 flags; + u8 toggle; }; enum bnxt_qplib_db_info_flags_mask { |