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| author | Denis Vlasenko | 2007-11-22 00:58:49 +0000 |
|---|---|---|
| committer | Denis Vlasenko | 2007-11-22 00:58:49 +0000 |
| commit | 223bc97f61f2fd5efbccede0837a374c1669e864 (patch) | |
| tree | 0105a1f02dbc344ede7cca99565b6c556e7cab96 /networking/udhcp/clientpacket.c | |
| parent | c881c733bb05286f7147d0ca49ad238b86f6d848 (diff) | |
| download | busybox-223bc97f61f2fd5efbccede0837a374c1669e864.zip busybox-223bc97f61f2fd5efbccede0837a374c1669e864.tar.gz | |
udhcpc: an option to perform ARP check (Jonas Danielsson <jonas.danielsson@axis.com>)
configurable, ~+300 bytes when on.
Diffstat (limited to 'networking/udhcp/clientpacket.c')
| -rw-r--r-- | networking/udhcp/clientpacket.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/networking/udhcp/clientpacket.c b/networking/udhcp/clientpacket.c index 42b4895..e7eeb58 100644 --- a/networking/udhcp/clientpacket.c +++ b/networking/udhcp/clientpacket.c @@ -69,6 +69,22 @@ static void add_requests(struct dhcpMessage *packet) } +#if ENABLE_FEATURE_UDHCPC_ARPING +/* Unicast a DHCP decline message */ +int send_decline(uint32_t xid, uint32_t server) +{ + struct dhcpMessage packet; + + init_packet(&packet, DHCPDECLINE); + packet.xid = xid; + add_requests(&packet); + + bb_info_msg("Sending decline..."); + + return udhcp_raw_packet(&packet, INADDR_ANY, CLIENT_PORT, INADDR_BROADCAST, + SERVER_PORT, MAC_BCAST_ADDR, client_config.ifindex); +} +#endif /* Broadcast a DHCP discover packet to the network, with an optionally requested IP */ int send_discover(uint32_t xid, uint32_t requested) |