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RDMA/bnxt_re: Restrict the max_gids to 256

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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>
This commit is contained in:
Naresh Kumar PBS
2020-08-24 11:14:35 -07:00
committed by Jason Gunthorpe
parent f86b31c6a2
commit 847b97887e
2 changed files with 2 additions and 1 deletions
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2
drivers/infiniband/hw/bnxt_re/qplib_sp.c
View File

@@ -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->max_inline_data = le32_to_cpu(sb->max_inline_data);
attr->l2_db_size = (sb->l2_db_space_size + 1) * attr->l2_db_size = (sb->l2_db_space_size + 1) *
(0x01 << RCFW_DBR_BASE_PAGE_SHIFT); (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); bnxt_qplib_query_version(rcfw, attr->fw_ver);

1
drivers/infiniband/hw/bnxt_re/qplib_sp.h
View File

@@ -47,6 +47,7 @@
struct bnxt_qplib_dev_attr { struct bnxt_qplib_dev_attr {
#define FW_VER_ARR_LEN 4 #define FW_VER_ARR_LEN 4
u8 fw_ver[FW_VER_ARR_LEN]; u8 fw_ver[FW_VER_ARR_LEN];
#define BNXT_QPLIB_NUM_GIDS_SUPPORTED 256
u16 max_sgid; u16 max_sgid;
u16 max_mrw; u16 max_mrw;
u32 max_qp; u32 max_qp;