Merge tag 'net-next-20250708' of https://source.denx.de/u-boot/custodians/u-boot-net

Pull request net-next-20250708

lwip:
- Call sys_check_timeouts() and schedule() on RX to fix an issue on
  boards with a watchdog and simplify the code
- Enable IP_FRAG and IP_REASSEMBLY
- Add support for setting the TFTP blocksize at runtime
- Fix DNS initialization in wget
- Add the sntp command
- Move code from net/lwip/${cmd}.c to cmd/lwip/${cmd}.c

1 files changed, 23 insertions, 0 deletions

diff --git a/net/net-common.c b/net/net-common.c
index e01b0da7d7b..b064557d524 100644
--- a/net/net-common.c
+++ b/net/net-common.c
@@ -1,5 +1,9 @@
 // SPDX-License-Identifier: GPL-2.0
+
+#include <dm/uclass.h>
 #include <net-common.h>
+#include <linux/time.h>
+#include <rtc.h>
 
 void copy_filename(char *dst, const char *src, int size)
 {
@@ -25,3 +29,22 @@ int wget_request(ulong dst_addr, char *uri, struct wget_http_info *info)
 	wget_info = info ? info : &default_wget_info;
 	return wget_do_request(dst_addr, uri);
 }
+
+void net_sntp_set_rtc(u32 seconds)
+{
+	struct rtc_time tm;
+	struct udevice *dev;
+	int ret;
+
+	rtc_to_tm(seconds, &tm);
+
+	ret = uclass_get_device(UCLASS_RTC, 0, &dev);
+	if (ret)
+		printf("SNTP: cannot find RTC: err=%d\n", ret);
+	else
+		dm_rtc_set(dev, &tm);
+
+	printf("Date: %4d-%02d-%02d Time: %2d:%02d:%02d\n",
+	       tm.tm_year, tm.tm_mon, tm.tm_mday,
+	       tm.tm_hour, tm.tm_min, tm.tm_sec);
+}