Merge tag 'net-20260623' of https://source.denx.de/u-boot/custodians/u-boot-net

Pull request net-20260623.

net:
- airoha_eth: fix mt7531 mdio related initialization bug

net-legacy:
- cdp: reject CDP TLVs with a length below the 4-byte header
- Clear IP defragmentation state after returning a complete packet

net-lwip:
- Halt ethernet after network commands

2 files changed, 19 insertions, 10 deletions

diff --git a/cmd/lwip/ping.c b/cmd/lwip/ping.c
index fc4cf7bde5f..98fa8e22bce 100644
--- a/cmd/lwip/ping.c
+++ b/cmd/lwip/ping.c
@@ -163,6 +163,7 @@ static int ping_loop(struct udevice *udev, const ip_addr_t *addr)
 int do_ping(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
 {
 	ip_addr_t addr;
+	int ret;
 
 	if (argc < 2)
 		return CMD_RET_USAGE;
@@ -171,13 +172,15 @@ int do_ping(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
 		return CMD_RET_USAGE;
 
 	net_try_count = 1;
-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;
+	do {
+		if (net_lwip_eth_start() == 0) {
+			ret = ping_loop(eth_get_dev(), &addr);
+			net_lwip_eth_stop();
+			if (ret == 0)
+				return CMD_RET_SUCCESS;
+		}
+	} while (net_start_again() == 0);
+
+	return CMD_RET_FAILURE;
 }
diff --git a/cmd/lwip/sntp.c b/cmd/lwip/sntp.c
index 608345c873b..5fa400b104a 100644
--- a/cmd/lwip/sntp.c
+++ b/cmd/lwip/sntp.c
@@ -101,6 +101,7 @@ int do_sntp(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
 	ip_addr_t *srvip;
 	char *server;
 	ip_addr_t ipaddr;
+	int ret = CMD_RET_FAILURE;
 
 	switch (argc) {
 	case 1:
@@ -127,7 +128,12 @@ int do_sntp(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
 		return CMD_RET_FAILURE;
 
 	if (sntp_loop(eth_get_dev(), srvip) < 0)
-		return CMD_RET_FAILURE;
+		goto out;
+
+	ret = CMD_RET_SUCCESS;
+
+out:
+	net_lwip_eth_stop();
 
-	return CMD_RET_SUCCESS;
+	return ret;
 }