iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

RDMA/bnxt_re: Avoid creating fence MR for newer adapters

Browse Source 
Limit the usage of fence MR to adapters older than Gen P5 products.

Fixes: 1801d87b35 ("RDMA/bnxt_re: Support new 5760X P7 devices")
Signed-off-by: Kashyap Desai <kashyap.desai@broadcom.com>
Signed-off-by: Bhargava Chenna Marreddy <bhargava.marreddy@broadcom.com>
Signed-off-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>
Signed-off-by: Selvin Xavier <selvin.xavier@broadcom.com>
Link: https://lore.kernel.org/r/1705985677-15551-2-git-send-email-selvin.xavier@broadcom.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
This commit is contained in:
Kalesh AP 2024-01-22 20:54:33 -08:00 committed by Leon Romanovsky
parent 809aa64ebf
commit 282fd66e2e
1 changed files with 10 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
drivers/infiniband/hw/bnxt_re/ib_verbs.c
View File

@ -401,6 +401,10 @@ static void bnxt_re_create_fence_wqe(struct bnxt_re_pd *pd)
struct bnxt_re_fence_data *fence = &pd->fence;
struct ib_mr *ib_mr = &fence->mr->ib_mr;
struct bnxt_qplib_swqe *wqe = &fence->bind_wqe;
struct bnxt_re_dev *rdev = pd->rdev;
if (bnxt_qplib_is_chip_gen_p5_p7(rdev->chip_ctx))
return;
memset(wqe, 0, sizeof(*wqe));
wqe->type = BNXT_QPLIB_SWQE_TYPE_BIND_MW;
@ -455,6 +459,9 @@ static void bnxt_re_destroy_fence_mr(struct bnxt_re_pd *pd)
struct device *dev = &rdev->en_dev->pdev->dev;
struct bnxt_re_mr *mr = fence->mr;
if (bnxt_qplib_is_chip_gen_p5_p7(rdev->chip_ctx))
return;
if (fence->mw) {
bnxt_re_dealloc_mw(fence->mw);
fence->mw = NULL;
@ -486,6 +493,9 @@ static int bnxt_re_create_fence_mr(struct bnxt_re_pd *pd)
struct ib_mw *mw;
int rc;
if (bnxt_qplib_is_chip_gen_p5_p7(rdev->chip_ctx))
return 0;
dma_addr = dma_map_single(dev, fence->va, BNXT_RE_FENCE_BYTES,
DMA_BIDIRECTIONAL);
rc = dma_mapping_error(dev, dma_addr);