Date: Wed, 17 Apr 2013 06:12:19 +0000 From: Sreenivasa Honnur <shonnur@chelsio.com> To: FreeBSD Tinderbox <tinderbox@freebsd.org>, "current@freebsd.org" <current@freebsd.org>, "i386@freebsd.org" <i386@freebsd.org> Subject: IPV6 - sobind fails with 49. Message-ID: <F2BBBB6E0068844991318A316F34795C348D1D@nice.asicdesigners.com> In-Reply-To: <F2BBBB6E0068844991318A316F34795C344106@nice.asicdesigners.com> References: <201303041621.r24GL1Dn022279@freebsd-current.sentex.ca> <F2BBBB6E0068844991318A316F34795C344106@nice.asicdesigners.com>
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I am writing a kernel socket program which binds to a IPv6 address, so bind always fails with 49. Below is the code snippet I am using, is something wrong here?
roundhay# uname -a
FreeBSD roundhay 9.1-RELEASE FreeBSD 9.1-RELEASE #2: Mon Apr 8 16:15:06 IST 2013 root@roundhay:/usr/obj/home/freebsd.org/sys/TOED amd64
Ifconfig/ping6 output:
======================
cxgbe1: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
options=6c07bb<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,JUMBO_MTU,VLAN_HWCSUM,TSO4,TSO6,LRO,VLAN_HWTSO,LINKSTATE,RXCSUM_IPV6,TXCSUM_IPV6>
ether 00:07:43:11:89:88
inet6 2010::102 prefixlen 64
inet6 fe80::207:43ff:fe11:8988%cxgbe1 prefixlen 64 scopeid 0xd
inet6 fe80::1%cxgbe1 prefixlen 64 scopeid 0xd
nd6 options=21<PERFORMNUD,AUTO_LINKLOCAL>
media: Ethernet 10Gbase-SR <full-duplex>
status: active
roundhay# ping6 2010::101
PING6(56=40+8+8 bytes) 2010::102 --> 2010::101
16 bytes from 2010::101, icmp_seq=0 hlim=64 time=0.915 ms
16 bytes from 2010::101, icmp_seq=1 hlim=64 time=0.168 ms
^C
--- 2010::101 ping6 statistics ---
2 packets transmitted, 2 packets received, 0.0% packet loss
round-trip min/avg/max/std-dev = 0.168/0.541/0.915/0.374 ms
Code:
struct sockaddr_in6 saddr6;
rv = socreate(AF_INET6, &sock, SOCK_STREAM, IPPROTO_TCP,
td->td_ucred, td);
if (rv != 0) {
printf("sock create ipv6 %s failed %d.\n",
tbuf, rv);
return NULL;
}
saddr6.sin6_family = AF_INET6;
rv = inet_pton(AF_INET6, "2010::102", &saddr6.sin6_addr); ==> returns 1, which indicates it's a valid IPV6 address
printf("inet_pton retunred:%d\n", rv);
saddr6.sin6_port = htons(3260);
saddr6.sin6_len = sizeof(saddr6);
rv = sobind(sock, (struct sockaddr *)&saddr6, td); ==> fails with return value of 49
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