diff options
Diffstat (limited to 'networking/udhcp/d6_packet.c')
-rw-r--r-- | networking/udhcp/d6_packet.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/networking/udhcp/d6_packet.c b/networking/udhcp/d6_packet.c index aab1a9182..142de9b43 100644 --- a/networking/udhcp/d6_packet.c +++ b/networking/udhcp/d6_packet.c | |||
@@ -80,12 +80,22 @@ int FAST_FUNC d6_send_raw_packet_from_client_data_ifindex( | |||
80 | dest_sll.sll_halen = 6; | 80 | dest_sll.sll_halen = 6; |
81 | memcpy(dest_sll.sll_addr, dest_arp, 6); | 81 | memcpy(dest_sll.sll_addr, dest_arp, 6); |
82 | 82 | ||
83 | //TODO: is bind() necessary? we sendto() to this destination, should work anyway | ||
83 | if (bind(fd, (struct sockaddr *)&dest_sll, sizeof(dest_sll)) < 0) { | 84 | if (bind(fd, (struct sockaddr *)&dest_sll, sizeof(dest_sll)) < 0) { |
84 | msg = "bind(%s)"; | 85 | msg = "bind(%s)"; |
85 | goto ret_close; | 86 | goto ret_close; |
86 | } | 87 | } |
87 | 88 | ||
88 | packet.ip6.ip6_vfc = (6 << 4); /* 4 bits version, top 4 bits of tclass */ | 89 | packet.ip6.ip6_vfc = (6 << 4); /* 4 bits version, top 4 bits of tclass */ |
90 | // In case we have no IPv6 on our interface at all, we can try | ||
91 | // to fill "all hosts" mcast address as source: | ||
92 | // /* FF02::1 is Link-local "All_Nodes" address */ | ||
93 | // packet.ip6.ip6_dst.s6_addr[0] = 0xff; | ||
94 | // packet.ip6.ip6_dst.s6_addr[1] = 0x02; | ||
95 | // packet.ip6.ip6_dst.s6_addr[15] = 0x01; | ||
96 | // Maybe some servers will be able to respond to us this way? | ||
97 | // Users report that leaving ::0 address there makes servers try to reply to ::0, | ||
98 | // which doesn't work. | ||
89 | if (src_ipv6) | 99 | if (src_ipv6) |
90 | packet.ip6.ip6_src = *src_ipv6; /* struct copy */ | 100 | packet.ip6.ip6_src = *src_ipv6; /* struct copy */ |
91 | packet.ip6.ip6_dst = *dst_ipv6; /* struct copy */ | 101 | packet.ip6.ip6_dst = *dst_ipv6; /* struct copy */ |