man: document socket units

[elogind.git] / src / socket.c

diff --git a/src/socket.c b/src/socket.c
index 7e62dbce9639d59f8ca7c37f07fbb21c9267424b..8edf0ce5912f1a44857ae8e7ad1ccc2e78fb1425 100644 (file)
--- a/src/socket.c
+++ b/src/socket.c
@@ -66,15 +66,10 @@ static void socket_init(Unit *u) {
 
         s->max_connections = 64;
 
-        s->keep_alive = false;
         s->priority = -1;
-        s->receive_buffer = 0;
-        s->send_buffer = 0;
         s->ip_tos = -1;
         s->ip_ttl = -1;
-        s->pipe_size = 0;
         s->mark = -1;
-        s->free_bind = false;
 
         exec_context_init(&s->exec_context);
 
@@ -577,9 +572,15 @@ static void socket_apply_socket_options(Socket *s, int fd) {
                 if (setsockopt(fd, IPPROTO_IP, IP_TOS, &s->ip_tos, sizeof(s->ip_tos)) < 0)
                         log_warning("IP_TOS failed: %m");
 
-        if (s->ip_ttl >= 0)
-                if (setsockopt(fd, IPPROTO_IP, IP_TTL, &s->ip_ttl, sizeof(s->ip_ttl)) < 0)
-                        log_warning("IP_TTL failed: %m");
+        if (s->ip_ttl >= 0) {
+                int r, x;
+
+                r = setsockopt(fd, IPPROTO_IP, IP_TTL, &s->ip_ttl, sizeof(s->ip_ttl));
+                x = setsockopt(fd, IPPROTO_IPV6, IPV6_UNICAST_HOPS, &s->ip_ttl, sizeof(s->ip_ttl));
+
+                if (r < 0 && x < 0)
+                        log_warning("IP_TTL/IPV6_UNICAST_HOPS failed: %m");
+        }
 }
 
 static void socket_apply_pipe_options(Socket *s, int fd) {