diff options
| author | Devesh Sharma <devesh.sharma@broadcom.com> | 2020-07-15 10:16:54 -0400 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@nvidia.com> | 2020-07-20 16:32:49 -0300 |
| commit | 1da968e0ef1f640e54ca9c86970b8093c1729753 (patch) | |
| tree | 0bd7a1f688a5ca229d4f0b5686748ac5bdb6a4a8 /drivers/infiniband/hw/bnxt_re/main.c | |
| parent | ca4beeee9895f14df22940d804aab4534c23f03f (diff) | |
RDMA/bnxt_re: introduce wqe mode to select execution path
The bnxt_re driver need to decide on how much SQ and RQ memory should to
be allocated and which wqe posting/polling algorithm to use.
Making changes to set the wqe-mode to a default value during device
registration sequence. The wqe-mode is passed to the lower layer driver as
well. Going forward in the lower layer driver wqe-mode will be used to
decide execution path. Initializing the wqe-mode to static wqe type for
now.
Link: https://lore.kernel.org/r/1594822619-4098-2-git-send-email-devesh.sharma@broadcom.com
Signed-off-by: Devesh Sharma <devesh.sharma@broadcom.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'drivers/infiniband/hw/bnxt_re/main.c')
| -rw-r--r-- | drivers/infiniband/hw/bnxt_re/main.c | 23 |
1 files changed, 17 insertions, 6 deletions
diff --git a/drivers/infiniband/hw/bnxt_re/main.c b/drivers/infiniband/hw/bnxt_re/main.c index b12fbc857f94..dad0df8a2467 100644 --- a/drivers/infiniband/hw/bnxt_re/main.c +++ b/drivers/infiniband/hw/bnxt_re/main.c @@ -82,6 +82,15 @@ static void bnxt_re_remove_device(struct bnxt_re_dev *rdev); static void bnxt_re_dealloc_driver(struct ib_device *ib_dev); static void bnxt_re_stop_irq(void *handle); +static void bnxt_re_set_drv_mode(struct bnxt_re_dev *rdev, u8 mode) +{ + struct bnxt_qplib_chip_ctx *cctx; + + cctx = rdev->chip_ctx; + cctx->modes.wqe_mode = bnxt_qplib_is_chip_gen_p5(rdev->chip_ctx) ? + mode : BNXT_QPLIB_WQE_MODE_STATIC; +} + static void bnxt_re_destroy_chip_ctx(struct bnxt_re_dev *rdev) { struct bnxt_qplib_chip_ctx *chip_ctx; @@ -97,7 +106,7 @@ static void bnxt_re_destroy_chip_ctx(struct bnxt_re_dev *rdev) kfree(chip_ctx); } -static int bnxt_re_setup_chip_ctx(struct bnxt_re_dev *rdev) +static int bnxt_re_setup_chip_ctx(struct bnxt_re_dev *rdev, u8 wqe_mode) { struct bnxt_qplib_chip_ctx *chip_ctx; struct bnxt_en_dev *en_dev; @@ -117,6 +126,7 @@ static int bnxt_re_setup_chip_ctx(struct bnxt_re_dev *rdev) rdev->qplib_res.cctx = rdev->chip_ctx; rdev->rcfw.res = &rdev->qplib_res; + bnxt_re_set_drv_mode(rdev, wqe_mode); return 0; } @@ -1386,7 +1396,7 @@ static void bnxt_re_worker(struct work_struct *work) schedule_delayed_work(&rdev->worker, msecs_to_jiffies(30000)); } -static int bnxt_re_dev_init(struct bnxt_re_dev *rdev) +static int bnxt_re_dev_init(struct bnxt_re_dev *rdev, u8 wqe_mode) { struct bnxt_qplib_creq_ctx *creq; struct bnxt_re_ring_attr rattr; @@ -1406,7 +1416,7 @@ static int bnxt_re_dev_init(struct bnxt_re_dev *rdev) } set_bit(BNXT_RE_FLAG_NETDEV_REGISTERED, &rdev->flags); - rc = bnxt_re_setup_chip_ctx(rdev); + rc = bnxt_re_setup_chip_ctx(rdev, wqe_mode); if (rc) { ibdev_err(&rdev->ibdev, "Failed to get chip context\n"); return -EINVAL; @@ -1585,7 +1595,7 @@ static void bnxt_re_remove_device(struct bnxt_re_dev *rdev) } static int bnxt_re_add_device(struct bnxt_re_dev **rdev, - struct net_device *netdev) + struct net_device *netdev, u8 wqe_mode) { int rc; @@ -1599,7 +1609,7 @@ static int bnxt_re_add_device(struct bnxt_re_dev **rdev, } pci_dev_get((*rdev)->en_dev->pdev); - rc = bnxt_re_dev_init(*rdev); + rc = bnxt_re_dev_init(*rdev, wqe_mode); if (rc) { pci_dev_put((*rdev)->en_dev->pdev); bnxt_re_dev_unreg(*rdev); @@ -1711,7 +1721,8 @@ static int bnxt_re_netdev_event(struct notifier_block *notifier, case NETDEV_REGISTER: if (rdev) break; - rc = bnxt_re_add_device(&rdev, real_dev); + rc = bnxt_re_add_device(&rdev, real_dev, + BNXT_QPLIB_WQE_MODE_STATIC); if (!rc) sch_work = true; release = false; |