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authorNaresh Kumar PBS <nareshkumar.pbs@broadcom.com>2020-08-24 11:14:35 -0700
committerJason Gunthorpe <jgg@nvidia.com>2020-08-27 09:30:44 -0300
commit847b97887ed4569968d5b9a740f2334abca9f99a (patch)
tree505079007d6b903d785015cf18860945cb91fc05
parentRDMA/bnxt_re: Static NQ depth allocation (diff)
downloadlinux-dev-847b97887ed4569968d5b9a740f2334abca9f99a.tar.xz
linux-dev-847b97887ed4569968d5b9a740f2334abca9f99a.zip
RDMA/bnxt_re: Restrict the max_gids to 256
Some adapters report more than 256 gid entries. Restrict it to 256 for now. Fixes: 1ac5a4047975("RDMA/bnxt_re: Add bnxt_re RoCE driver") Link: https://lore.kernel.org/r/1598292876-26529-6-git-send-email-selvin.xavier@broadcom.com Signed-off-by: Naresh Kumar PBS <nareshkumar.pbs@broadcom.com> Signed-off-by: Selvin Xavier <selvin.xavier@broadcom.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
-rw-r--r--drivers/infiniband/hw/bnxt_re/qplib_sp.c2
-rw-r--r--drivers/infiniband/hw/bnxt_re/qplib_sp.h1
2 files changed, 2 insertions, 1 deletions
diff --git a/drivers/infiniband/hw/bnxt_re/qplib_sp.c b/drivers/infiniband/hw/bnxt_re/qplib_sp.c
index 4cd475ea97a2..64d44f51db4b 100644
--- a/drivers/infiniband/hw/bnxt_re/qplib_sp.c
+++ b/drivers/infiniband/hw/bnxt_re/qplib_sp.c
@@ -149,7 +149,7 @@ int bnxt_qplib_get_dev_attr(struct bnxt_qplib_rcfw *rcfw,
attr->max_inline_data = le32_to_cpu(sb->max_inline_data);
attr->l2_db_size = (sb->l2_db_space_size + 1) *
(0x01 << RCFW_DBR_BASE_PAGE_SHIFT);
- attr->max_sgid = le32_to_cpu(sb->max_gid);
+ attr->max_sgid = BNXT_QPLIB_NUM_GIDS_SUPPORTED;
bnxt_qplib_query_version(rcfw, attr->fw_ver);
diff --git a/drivers/infiniband/hw/bnxt_re/qplib_sp.h b/drivers/infiniband/hw/bnxt_re/qplib_sp.h
index 6404f0da1051..967890cd81f2 100644
--- a/drivers/infiniband/hw/bnxt_re/qplib_sp.h
+++ b/drivers/infiniband/hw/bnxt_re/qplib_sp.h
@@ -47,6 +47,7 @@
struct bnxt_qplib_dev_attr {
#define FW_VER_ARR_LEN 4
u8 fw_ver[FW_VER_ARR_LEN];
+#define BNXT_QPLIB_NUM_GIDS_SUPPORTED 256
u16 max_sgid;
u16 max_mrw;
u32 max_qp;