From 271a930e80ff4da80dcfd64530052fd6cd5c4565 Mon Sep 17 00:00:00 2001
From: Krisztian Szilvasi <34309983+kr-t@users.noreply.github.com>
Date: Tue, 17 Feb 2026 13:10:34 +0100
Subject: [PATCH] feat: zephyr sockets: implement missing networking functions

Some of the optvals are implemented by zephyr, some are missing.
Call the appropriate function and let set the retval based on that.

Signed-off-by: Krisztian Szilvasi <34309983+kr-t@users.noreply.github.com>
---
 core/shared/platform/zephyr/zephyr_socket.c | 43 ++++++++++++++-------
 1 file changed, 30 insertions(+), 13 deletions(-)

diff --git a/core/shared/platform/zephyr/zephyr_socket.c b/core/shared/platform/zephyr/zephyr_socket.c
index 52dc5e619..56f37fc8e 100644
--- a/core/shared/platform/zephyr/zephyr_socket.c
+++ b/core/shared/platform/zephyr/zephyr_socket.c
@@ -698,21 +698,18 @@ os_socket_get_linger(bh_socket_t socket, bool *is_enabled, int *linger_s)
     return BHT_ERROR;
 }
 
-// TCP_NODELAY Disable TCP buffering (ignored, for compatibility)
 int
 os_socket_set_tcp_no_delay(bh_socket_t socket, bool is_enabled)
 {
-    errno = ENOSYS;
-
-    return BHT_ERROR;
+    return os_socket_setbooloption(socket, IPPROTO_TCP, TCP_NODELAY,
+                                   is_enabled);
 }
 
 int
 os_socket_get_tcp_no_delay(bh_socket_t socket, bool *is_enabled)
 {
-    errno = ENOSYS;
-
-    return BHT_ERROR;
+    return os_socket_getbooloption(socket, IPPROTO_TCP, TCP_NODELAY,
+                                   is_enabled);
 }
 
 int
@@ -861,17 +858,37 @@ os_socket_get_tcp_fastopen_connect(bh_socket_t socket, bool *is_enabled)
 int
 os_socket_set_ip_multicast_loop(bh_socket_t socket, bool ipv6, bool is_enabled)
 {
-    errno = ENOSYS;
-
-    return BHT_ERROR;
+    if (ipv6) {
+#ifdef IPPROTO_IPV6
+        return os_socket_setbooloption(socket, IPPROTO_IPV6,
+                                       IPV6_MULTICAST_LOOP, is_enabled);
+#else
+        errno = EAFNOSUPPORT;
+        return BHT_ERROR;
+#endif
+    }
+    else {
+        return os_socket_setbooloption(socket, IPPROTO_IP, IP_MULTICAST_LOOP,
+                                       is_enabled);
+    }
 }
 
 int
 os_socket_get_ip_multicast_loop(bh_socket_t socket, bool ipv6, bool *is_enabled)
 {
-    errno = ENOSYS;
-
-    return BHT_ERROR;
+    if (ipv6) {
+#ifdef IPPROTO_IPV6
+        return os_socket_getbooloption(socket, IPPROTO_IPV6,
+                                       IPV6_MULTICAST_LOOP, is_enabled);
+#else
+        errno = EAFNOSUPPORT;
+        return BHT_ERROR;
+#endif
+    }
+    else {
+        return os_socket_getbooloption(socket, IPPROTO_IP, IP_MULTICAST_LOOP,
+                                       is_enabled);
+    }
 }
 
 int