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Diffstat (limited to 'src/libsystemd-network/dhcp-network.c')
-rw-r--r--src/libsystemd-network/dhcp-network.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/src/libsystemd-network/dhcp-network.c b/src/libsystemd-network/dhcp-network.c
index 722f1b18b3..2a63f1850e 100644
--- a/src/libsystemd-network/dhcp-network.c
+++ b/src/libsystemd-network/dhcp-network.c
@@ -98,7 +98,7 @@ int dhcp_network_bind_raw_socket(int index, union sockaddr_union *link, uint32_t
int dhcp_network_bind_udp_socket(be32_t address, uint16_t port)
{
- int s;
+ int s, tos = IPTOS_CLASS_CS6;
union sockaddr_union src = {
.in.sin_family = AF_INET,
.in.sin_port = htobe16(port),
@@ -109,6 +109,9 @@ int dhcp_network_bind_udp_socket(be32_t address, uint16_t port)
if (s < 0)
return -errno;
+ if (setsockopt(s, IPPROTO_IP, IP_TOS, &tos, sizeof(tos)) < 0)
+ return -errno;
+
if (bind(s, &src.sa, sizeof(src.in)) < 0) {
safe_close(s);
return -errno;