This is a note to let you know that I've just added the patch titled
RDMA/bnxt_re: Fix to export port num to ib_query_qp
to the 6.12-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
rdma-bnxt_re-fix-to-export-port-num-to-ib_query_qp.patch
and it can be found in the queue-6.12 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 239f4fe016a9cd4cb0085f36cf642535cdf2394c
Author: Hongguang Gao <hongguang.gao@xxxxxxxxxxxx>
Date: Wed Dec 11 14:09:30 2024 +0530
RDMA/bnxt_re: Fix to export port num to ib_query_qp
[ Upstream commit 34db8ec931b84d1426423f263b1927539e73b397 ]
Current driver implementation doesn't populate the port_num
field in query_qp. Adding the code to convert internal firmware
port id to ibv defined port number and export it.
Reviewed-by: Saravanan Vajravel <saravanan.vajravel@xxxxxxxxxxxx>
Reviewed-by: Kalesh AP <kalesh-anakkur.purayil@xxxxxxxxxxxx>
Signed-off-by: Hongguang Gao <hongguang.gao@xxxxxxxxxxxx>
Signed-off-by: Selvin Xavier <selvin.xavier@xxxxxxxxxxxx>
Link: https://patch.msgid.link/20241211083931.968831-5-kalesh-anakkur.purayil@xxxxxxxxxxxx
Signed-off-by: Leon Romanovsky <leon@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/infiniband/hw/bnxt_re/ib_verbs.c b/drivers/infiniband/hw/bnxt_re/ib_verbs.c
index b20cffcc3e7d2..14e434ff51ede 100644
--- a/drivers/infiniband/hw/bnxt_re/ib_verbs.c
+++ b/drivers/infiniband/hw/bnxt_re/ib_verbs.c
@@ -2269,6 +2269,7 @@ int bnxt_re_query_qp(struct ib_qp *ib_qp, struct ib_qp_attr *qp_attr,
qp_attr->retry_cnt = qplib_qp->retry_cnt;
qp_attr->rnr_retry = qplib_qp->rnr_retry;
qp_attr->min_rnr_timer = qplib_qp->min_rnr_timer;
+ qp_attr->port_num = __to_ib_port_num(qplib_qp->port_id);
qp_attr->rq_psn = qplib_qp->rq.psn;
qp_attr->max_rd_atomic = qplib_qp->max_rd_atomic;
qp_attr->sq_psn = qplib_qp->sq.psn;
diff --git a/drivers/infiniband/hw/bnxt_re/ib_verbs.h b/drivers/infiniband/hw/bnxt_re/ib_verbs.h
index b789e47ec97a8..9cd8f770d1b27 100644
--- a/drivers/infiniband/hw/bnxt_re/ib_verbs.h
+++ b/drivers/infiniband/hw/bnxt_re/ib_verbs.h
@@ -264,6 +264,10 @@ void bnxt_re_dealloc_ucontext(struct ib_ucontext *context);
int bnxt_re_mmap(struct ib_ucontext *context, struct vm_area_struct *vma);
void bnxt_re_mmap_free(struct rdma_user_mmap_entry *rdma_entry);
+static inline u32 __to_ib_port_num(u16 port_id)
+{
+ return (u32)port_id + 1;
+}
unsigned long bnxt_re_lock_cqs(struct bnxt_re_qp *qp);
void bnxt_re_unlock_cqs(struct bnxt_re_qp *qp, unsigned long flags);
diff --git a/drivers/infiniband/hw/bnxt_re/qplib_fp.c b/drivers/infiniband/hw/bnxt_re/qplib_fp.c
index 828e2f9808012..613b5fc70e13e 100644
--- a/drivers/infiniband/hw/bnxt_re/qplib_fp.c
+++ b/drivers/infiniband/hw/bnxt_re/qplib_fp.c
@@ -1479,6 +1479,7 @@ int bnxt_qplib_query_qp(struct bnxt_qplib_res *res, struct bnxt_qplib_qp *qp)
qp->dest_qpn = le32_to_cpu(sb->dest_qp_id);
memcpy(qp->smac, sb->src_mac, 6);
qp->vlan_id = le16_to_cpu(sb->vlan_pcp_vlan_dei_vlan_id);
+ qp->port_id = le16_to_cpu(sb->port_id);
bail:
dma_free_coherent(&rcfw->pdev->dev, sbuf.size,
sbuf.sb, sbuf.dma_addr);
diff --git a/drivers/infiniband/hw/bnxt_re/qplib_fp.h b/drivers/infiniband/hw/bnxt_re/qplib_fp.h
index d8c71c024613b..6f02954eb1429 100644
--- a/drivers/infiniband/hw/bnxt_re/qplib_fp.h
+++ b/drivers/infiniband/hw/bnxt_re/qplib_fp.h
@@ -298,6 +298,7 @@ struct bnxt_qplib_qp {
u32 dest_qpn;
u8 smac[6];
u16 vlan_id;
+ u16 port_id;
u8 nw_type;
struct bnxt_qplib_ah ah;
