From: Jerome Forissier <jerome.forissier@linaro.org>
Date: Tue, 15 Apr 2025 21:17:38 +0000 (+0200)
Subject: net: lwip: add restart support to ping
X-Git-Tag: v2025.07-rc1~35^2~8
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7156533162afccf5f6315e021fb57c28c1d4c3d6;p=pandora-u-boot.git

net: lwip: add restart support to ping

Use net_start_again() in do_ping() to determine if a failed ping should
be restarted on a different interface.

Signed-off-by: Jerome Forissier <jerome.forissier@linaro.org>
Reviewed-by: Simon Glass <sjg@chromium.org>
---

diff --git a/net/lwip/ping.c b/net/lwip/ping.c
index 542ef2cb148..d8042ceecf9 100644
--- a/net/lwip/ping.c
+++ b/net/lwip/ping.c
@@ -168,11 +168,13 @@ int do_ping(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
 	if (!ipaddr_aton(argv[1], &addr))
 		return CMD_RET_USAGE;
 
-	if (net_lwip_eth_start() < 0)
-		return CMD_RET_FAILURE;
-
-	if (ping_loop(eth_get_dev(), &addr) < 0)
-		return CMD_RET_FAILURE;
+restart:
+	if (net_lwip_eth_start() < 0 || ping_loop(eth_get_dev(), &addr) < 0) {
+		if (net_start_again() == 0)
+			goto restart;
+		else
+			return CMD_RET_FAILURE;
+	}
 
 	return CMD_RET_SUCCESS;
 }