netdev - [PATCH rdma-next v4 1/8] RDMA/rxe: Creating listening sock in newlink function

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Date:   Sun, 23 Apr 2023 22:48:15 +0800
From:   Zhu Yanjun <yanjun.zhu@...el.com>
To:     jgg@...pe.ca, leon@...nel.org, zyjzyj2000@...il.com,
        linux-rdma@...r.kernel.org, parav@...dia.com,
        netdev@...r.kernel.org, rain.1986.08.12@...il.com
Cc:     Zhu Yanjun <yanjun.zhu@...ux.dev>
Subject: [PATCH rdma-next v4 1/8] RDMA/rxe: Creating listening sock in newlink function

From: Zhu Yanjun <yanjun.zhu@...ux.dev>

Originally when the module rdma_rxe is loaded, the sock listening on udp
port 4791 is created. Currently moving the creating listening port to
newlink function.

So when running "rdma link add" command, the sock listening on udp port
4791 is created.

Tested-by: Rain River <rain.1986.08.12@...il.com>
Signed-off-by: Zhu Yanjun <yanjun.zhu@...ux.dev>
---
 drivers/infiniband/sw/rxe/rxe.c | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/drivers/infiniband/sw/rxe/rxe.c b/drivers/infiniband/sw/rxe/rxe.c
index 7a7e713de52d..89b24bc34299 100644
--- a/drivers/infiniband/sw/rxe/rxe.c
+++ b/drivers/infiniband/sw/rxe/rxe.c
@@ -194,6 +194,10 @@ static int rxe_newlink(const char *ibdev_name, struct net_device *ndev)
 		goto err;
 	}
 
+	err = rxe_net_init();
+	if (err)
+		return err;
+
 	err = rxe_net_add(ibdev_name, ndev);
 	if (err) {
 		rxe_err("failed to add %s\n", ndev->name);
@@ -210,12 +214,6 @@ static struct rdma_link_ops rxe_link_ops = {
 
 static int __init rxe_module_init(void)
 {
-	int err;
-
-	err = rxe_net_init();
-	if (err)
-		return err;
-
 	rdma_link_register(&rxe_link_ops);
 	pr_info("loaded\n");
 	return 0;
-- 
2.27.0