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[2/3] RDMA/rxe: Add query_gid support

Message ID 20250119172831.3123110-3-yanjun.zhu@linux.dev (mailing list archive)
State New
Headers show
Series Add the support of tun to RXE | expand

Commit Message

Zhu Yanjun Jan. 19, 2025, 5:28 p.m. UTC 
The query_gid is not implemented in RXE. After the raw_gid is added,
this query_gid should be implemented in RXE.

Signed-off-by: Zhu Yanjun <yanjun.zhu@linux.dev>
---
 drivers/infiniband/sw/rxe/rxe_verbs.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)
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Patch

diff --git a/drivers/infiniband/sw/rxe/rxe_verbs.c b/drivers/infiniband/sw/rxe/rxe_verbs.c
index 837566cd682c..22d6312ecbc7 100644
--- a/drivers/infiniband/sw/rxe/rxe_verbs.c
+++ b/drivers/infiniband/sw/rxe/rxe_verbs.c
@@ -79,6 +79,18 @@  static int rxe_query_port(struct ib_device *ibdev,
 	return err;
 }
 
+static int rxe_query_gid(struct ib_device *ibdev, u32 port, int idx,
+			 union ib_gid *gid)
+{
+	struct rxe_dev *rxe = to_rdev(ibdev);
+
+	/* subnet_prefix == interface_id == 0; */
+	memset(gid, 0, sizeof(*gid));
+	memcpy(gid->raw, rxe->raw_gid, ETH_ALEN);
+
+	return 0;
+}
+
 static int rxe_query_pkey(struct ib_device *ibdev,
 			  u32 port_num, u16 index, u16 *pkey)
 {
@@ -1493,6 +1505,7 @@  static const struct ib_device_ops rxe_dev_ops = {
 	.query_ah = rxe_query_ah,
 	.query_device = rxe_query_device,
 	.query_pkey = rxe_query_pkey,
+	.query_gid = rxe_query_gid,
 	.query_port = rxe_query_port,
 	.query_qp = rxe_query_qp,
 	.query_srq = rxe_query_srq,