diff options
Diffstat (limited to 'accel-pppd/ctrl/ipoe/dhcpv4.c')
| -rw-r--r-- | accel-pppd/ctrl/ipoe/dhcpv4.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/accel-pppd/ctrl/ipoe/dhcpv4.c b/accel-pppd/ctrl/ipoe/dhcpv4.c index fc2a9d3..fa48636 100644 --- a/accel-pppd/ctrl/ipoe/dhcpv4.c +++ b/accel-pppd/ctrl/ipoe/dhcpv4.c @@ -574,8 +574,9 @@ static int dhcpv4_send_raw(struct dhcpv4_serv *serv, struct dhcpv4_packet *pack, struct udphdr *udp = (struct udphdr *)(ip + 1); int len = pack->ptr - pack->data; struct iovec iov[2]; + static uint8_t bc_addr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; - memcpy(eth->ether_dhost, pack->hdr->chaddr, ETH_ALEN); + memcpy(eth->ether_dhost, (pack->hdr->flags & DHCP_F_BROADCAST) ? bc_addr : pack->hdr->chaddr, ETH_ALEN); memcpy(eth->ether_shost, serv->hwaddr, ETH_ALEN); eth->ether_type = htons(ETH_P_IP); @@ -589,7 +590,7 @@ static int dhcpv4_send_raw(struct dhcpv4_serv *serv, struct dhcpv4_packet *pack, ip->protocol = IPPROTO_UDP; ip->check = 0; ip->saddr = saddr; - ip->daddr = daddr; + ip->daddr = (pack->hdr->flags & DHCP_F_BROADCAST) ? INADDR_BROADCAST : daddr; ip->check = ip_csum((uint16_t *)ip, 20); udp->source = ntohs(DHCP_SERV_PORT); |