socket: always use SO_{RCV,SND}BUFFORCE to allow larger values

[elogind.git] / src / socket.c

diff --git a/src/socket.c b/src/socket.c
index 6c935c4201cd1912168d96140f7eb9217d38dfb9..c0139587e38b98d8e7beeafbd1a97f5e667204b3 100644 (file)
--- a/src/socket.c
+++ b/src/socket.c
@@ -404,6 +404,8 @@ static void socket_dump(Unit *u, FILE *f, const char *prefix) {
                 "%sDirectoryMode: %04o\n"
                 "%sKeepAlive: %s\n"
                 "%sFreeBind: %s\n"
+                "%sTransparent: %s\n"
+                "%sBroadcast: %s\n"
                 "%sTCPCongestion: %s\n",
                 prefix, socket_state_to_string(s->state),
                 prefix, socket_address_bind_ipv6_only_to_string(s->bind_ipv6_only),
@@ -412,6 +414,8 @@ static void socket_dump(Unit *u, FILE *f, const char *prefix) {
                 prefix, s->directory_mode,
                 prefix, yes_no(s->keep_alive),
                 prefix, yes_no(s->free_bind),
+                prefix, yes_no(s->transparent),
+                prefix, yes_no(s->broadcast),
                 prefix, strna(s->tcp_congestion));
 
         if (s->control_pid > 0)
@@ -647,20 +651,26 @@ static void socket_apply_socket_options(Socket *s, int fd) {
                         log_warning("SO_KEEPALIVE failed: %m");
         }
 
+        if (s->broadcast) {
+                int one = 1;
+                if (setsockopt(fd, SOL_SOCKET, SO_BROADCAST, &one, sizeof(one)) < 0)
+                        log_warning("SO_BROADCAST failed: %m");
+        }
+
         if (s->priority >= 0)
                 if (setsockopt(fd, SOL_SOCKET, SO_PRIORITY, &s->priority, sizeof(s->priority)) < 0)
                         log_warning("SO_PRIORITY failed: %m");
 
         if (s->receive_buffer > 0) {
                 int value = (int) s->receive_buffer;
-                if (setsockopt(fd, SOL_SOCKET, SO_RCVBUF, &value, sizeof(value)) < 0)
-                        log_warning("SO_RCVBUF failed: %m");
+                if (setsockopt(fd, SOL_SOCKET, SO_RCVBUFFORCE, &value, sizeof(value)) < 0)
+                        log_warning("SO_RCVBUFFORCE failed: %m");
         }
 
         if (s->send_buffer > 0) {
                 int value = (int) s->send_buffer;
-                if (setsockopt(fd, SOL_SOCKET, SO_SNDBUF, &value, sizeof(value)) < 0)
-                        log_warning("SO_SNDBUF failed: %m");
+                if (setsockopt(fd, SOL_SOCKET, SO_SNDBUFFORCE, &value, sizeof(value)) < 0)
+                        log_warning("SO_SNDBUFFORCE failed: %m");
         }
 
         if (s->mark >= 0)
@@ -897,6 +907,7 @@ static int socket_open_fds(Socket *s) {
                                              s->bind_ipv6_only,
                                              s->bind_to_device,
                                              s->free_bind,
+                                             s->transparent,
                                              s->directory_mode,
                                              s->socket_mode,
                                              label,