From: Naresh Kumar PBS <[email protected]>

commit 847b97887ed4569968d5b9a740f2334abca9f99a upstream.

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/[email protected]
Signed-off-by: Naresh Kumar PBS <[email protected]>
Signed-off-by: Selvin Xavier <[email protected]>
Signed-off-by: Jason Gunthorpe <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>

---
 drivers/infiniband/hw/bnxt_re/qplib_sp.c |    2 +-
 drivers/infiniband/hw/bnxt_re/qplib_sp.h |    1 +
 2 files changed, 2 insertions(+), 1 deletion(-)

--- 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_
        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);
 
--- 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;


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