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authorTom Gundersen <teg@jklm.no>2014-04-06 19:23:33 +0200
committerTom Gundersen <teg@jklm.no>2014-04-06 19:42:11 +0200
commit7429b07f822348dc5a87208ce107f5f6bf02656d (patch)
treece9b61db02a34ba440dcc35385b9151e37754fee /src/libsystemd-network/sd-dhcp-client.c
parent0c79c68d93d721d37ba088fb50dbf07bb0d447e5 (diff)
sd-dhcp-client: improve BPF
Try a bit harder to make the kernel drop packets not for us. This should reduce the number of wakeups from n^2 to n in the number of dhcp clients, which admittedly only makes a differenc in very extreme cases.
Diffstat (limited to 'src/libsystemd-network/sd-dhcp-client.c')
-rw-r--r--src/libsystemd-network/sd-dhcp-client.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/libsystemd-network/sd-dhcp-client.c b/src/libsystemd-network/sd-dhcp-client.c
index 722f862832..da41c478ea 100644
--- a/src/libsystemd-network/sd-dhcp-client.c
+++ b/src/libsystemd-network/sd-dhcp-client.c
@@ -593,7 +593,7 @@ static int client_start(sd_dhcp_client *client) {
client->xid = random_u32();
- r = dhcp_network_bind_raw_socket(client->index, &client->link);
+ r = dhcp_network_bind_raw_socket(client->index, &client->link, client->xid);
if (r < 0) {
client_stop(client, r);
@@ -636,7 +636,7 @@ static int client_timeout_t2(sd_event_source *s, uint64_t usec, void *userdata)
client->state = DHCP_STATE_REBINDING;
client->attempt = 1;
- r = dhcp_network_bind_raw_socket(client->index, &client->link);
+ r = dhcp_network_bind_raw_socket(client->index, &client->link, client->xid);
if (r < 0) {
client_stop(client, r);
return 0;