From mboxrd@z Thu Jan 1 00:00:00 1970 From: Cong Wang Subject: [PATCH iproute2] vxlan: add ipv6 support Date: Mon, 8 Apr 2013 10:18:56 +0800 Message-ID: <1365387536-25217-5-git-send-email-amwang@redhat.com> References: <1365387536-25217-1-git-send-email-amwang@redhat.com> Cc: Stephen Hemminger , Cong Wang To: netdev@vger.kernel.org Return-path: Received: from mx1.redhat.com ([209.132.183.28]:29003 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1760854Ab3DHCTW (ORCPT ); Sun, 7 Apr 2013 22:19:22 -0400 In-Reply-To: <1365387536-25217-1-git-send-email-amwang@redhat.com> Sender: netdev-owner@vger.kernel.org List-ID: From: Cong Wang Cc: Stephen Hemminger Signed-off-by: Cong Wang --- include/linux/if_link.h | 2 ++ ip/iplink_vxlan.c | 45 ++++++++++++++++++++++++++++++++++++++------- 2 files changed, 40 insertions(+), 7 deletions(-) diff --git a/include/linux/if_link.h b/include/linux/if_link.h index 40167af..f74b8cc 100644 --- a/include/linux/if_link.h +++ b/include/linux/if_link.h @@ -306,6 +306,8 @@ enum { IFLA_VXLAN_RSC, IFLA_VXLAN_L2MISS, IFLA_VXLAN_L3MISS, + IFLA_VXLAN_GROUP6, + IFLA_VXLAN_LOCAL6, __IFLA_VXLAN_MAX }; #define IFLA_VXLAN_MAX (__IFLA_VXLAN_MAX - 1) diff --git a/ip/iplink_vxlan.c b/ip/iplink_vxlan.c index 1025326..c10ec0f 100644 --- a/ip/iplink_vxlan.c +++ b/ip/iplink_vxlan.c @@ -42,6 +42,8 @@ static int vxlan_parse_opt(struct link_util *lu, int argc, char **argv, int vni_set = 0; __u32 saddr = 0; __u32 gaddr = 0; + struct in6_addr saddr6 = IN6ADDR_ANY_INIT; + struct in6_addr gaddr6 = IN6ADDR_ANY_INIT; unsigned link = 0; __u8 tos = 0; __u8 ttl = 0; @@ -65,15 +67,26 @@ static int vxlan_parse_opt(struct link_util *lu, int argc, char **argv, vni_set = 1; } else if (!matches(*argv, "group")) { NEXT_ARG(); - gaddr = get_addr32(*argv); - - if (!IN_MULTICAST(ntohl(gaddr))) - invarg("invald group address", *argv); + if (!inet_pton(AF_INET, *argv, &gaddr)) { + if (!inet_pton(AF_INET6, *argv, &gaddr6)) { + fprintf(stderr, "Invalid address \"%s\"\n", *argv); + return -1; + } else if (!IN6_IS_ADDR_MULTICAST(&gaddr6)) + invarg("invald group address", *argv); + } else if (!IN_MULTICAST(ntohl(gaddr))) + invarg("invald group address", *argv); } else if (!matches(*argv, "local")) { NEXT_ARG(); - if (strcmp(*argv, "any")) - saddr = get_addr32(*argv); - if (IN_MULTICAST(ntohl(saddr))) + if (strcmp(*argv, "any")) { + if (!inet_pton(AF_INET, *argv, &saddr)) { + if (!inet_pton(AF_INET6, *argv, &saddr6)) { + fprintf(stderr, "Invalid address \"%s\"\n", *argv); + return -1; + } + } + } + + if (IN_MULTICAST(ntohl(saddr)) || IN6_IS_ADDR_MULTICAST(&saddr6)) invarg("invalid local address", *argv); } else if (!matches(*argv, "dev")) { NEXT_ARG(); @@ -163,8 +176,14 @@ static int vxlan_parse_opt(struct link_util *lu, int argc, char **argv, addattr32(n, 1024, IFLA_VXLAN_ID, vni); if (gaddr) addattr_l(n, 1024, IFLA_VXLAN_GROUP, &gaddr, 4); + else if (memcmp(&gaddr6, &in6addr_any, sizeof(gaddr6)) != 0) + addattr_l(n, 1024, IFLA_VXLAN_GROUP6, &gaddr6, sizeof(struct in6_addr)); + if (saddr) addattr_l(n, 1024, IFLA_VXLAN_LOCAL, &saddr, 4); + else if (memcmp(&saddr6, &in6addr_any, sizeof(saddr6)) != 0) + addattr_l(n, 1024, IFLA_VXLAN_LOCAL6, &saddr6, sizeof(struct in6_addr)); + if (link) addattr32(n, 1024, IFLA_VXLAN_LINK, link); addattr8(n, 1024, IFLA_VXLAN_TTL, ttl); @@ -211,6 +230,12 @@ static void vxlan_print_opt(struct link_util *lu, FILE *f, struct rtattr *tb[]) if (addr) fprintf(f, "group %s ", format_host(AF_INET, 4, &addr, s1, sizeof(s1))); + } else if (tb[IFLA_VXLAN_GROUP6]) { + struct in6_addr addr; + memcpy(&addr, RTA_DATA(tb[IFLA_VXLAN_GROUP6]), sizeof(struct in6_addr)); + if (memcmp(&addr, &in6addr_any, sizeof(addr)) != 0) + fprintf(f, "group %s ", + format_host(AF_INET6, sizeof(struct in6_addr), &addr, s1, sizeof(s1))); } if (tb[IFLA_VXLAN_LOCAL]) { @@ -218,6 +243,12 @@ static void vxlan_print_opt(struct link_util *lu, FILE *f, struct rtattr *tb[]) if (addr) fprintf(f, "local %s ", format_host(AF_INET, 4, &addr, s1, sizeof(s1))); + } else if (tb[IFLA_VXLAN_LOCAL6]) { + struct in6_addr addr; + memcpy(&addr, RTA_DATA(tb[IFLA_VXLAN_LOCAL6]), sizeof(struct in6_addr)); + if (memcmp(&addr, &in6addr_any, sizeof(addr)) != 0) + fprintf(f, "local %s ", + format_host(AF_INET6, sizeof(struct in6_addr), &addr, s1, sizeof(s1))); } if (tb[IFLA_VXLAN_LINK] && -- 1.7.7.6