diff options
| -rw-r--r-- | include/net/ip6_fib.h | 3 | ||||
| -rw-r--r-- | net/ipv6/ip6_fib.c | 2 | ||||
| -rw-r--r-- | net/ipv6/route.c | 33 |
3 files changed, 35 insertions, 3 deletions
diff --git a/include/net/ip6_fib.h b/include/net/ip6_fib.h index 3b76849c190f..276328e3daa6 100644 --- a/include/net/ip6_fib.h +++ b/include/net/ip6_fib.h @@ -51,6 +51,8 @@ struct fib6_config { struct nlattr *fc_mp; struct nl_info fc_nlinfo; + struct nlattr *fc_encap; + u16 fc_encap_type; }; struct fib6_node { @@ -131,6 +133,7 @@ struct rt6_info { /* more non-fragment space at head required */ unsigned short rt6i_nfheader_len; u8 rt6i_protocol; + struct lwtunnel_state *rt6i_lwtstate; }; static inline struct inet6_dev *ip6_dst_idev(struct dst_entry *dst) diff --git a/net/ipv6/ip6_fib.c b/net/ipv6/ip6_fib.c index 55d19861ab20..d715f2e0c4e7 100644 --- a/net/ipv6/ip6_fib.c +++ b/net/ipv6/ip6_fib.c @@ -32,6 +32,7 @@ #include <net/ipv6.h> #include <net/ndisc.h> #include <net/addrconf.h> +#include <net/lwtunnel.h> #include <net/ip6_fib.h> #include <net/ip6_route.h> @@ -177,6 +178,7 @@ static void rt6_free_pcpu(struct rt6_info *non_pcpu_rt) static void rt6_release(struct rt6_info *rt) { if (atomic_dec_and_test(&rt->rt6i_ref)) { + lwtunnel_state_put(rt->rt6i_lwtstate); rt6_free_pcpu(rt); dst_free(&rt->dst); } diff --git a/net/ipv6/route.c b/net/ipv6/route.c index 6090969937f8..b3431b79dfb1 100644 --- a/net/ipv6/route.c +++ b/net/ipv6/route.c @@ -58,6 +58,7 @@ #include <net/netevent.h> #include <net/netlink.h> #include <net/nexthop.h> +#include <net/lwtunnel.h> #include <asm/uaccess.h> @@ -1770,6 +1771,17 @@ int ip6_route_add(struct fib6_config *cfg) rt->dst.output = ip6_output; + if (cfg->fc_encap) { + struct lwtunnel_state *lwtstate; + + err = lwtunnel_build_state(dev, cfg->fc_encap_type, + cfg->fc_encap, &lwtstate); + if (err) + goto out; + lwtunnel_state_get(lwtstate); + rt->rt6i_lwtstate = lwtstate; + } + ipv6_addr_prefix(&rt->rt6i_dst.addr, &cfg->fc_dst, cfg->fc_dst_len); rt->rt6i_dst.plen = cfg->fc_dst_len; if (rt->rt6i_dst.plen == 128) @@ -2595,6 +2607,8 @@ static const struct nla_policy rtm_ipv6_policy[RTA_MAX+1] = { [RTA_METRICS] = { .type = NLA_NESTED }, [RTA_MULTIPATH] = { .len = sizeof(struct rtnexthop) }, [RTA_PREF] = { .type = NLA_U8 }, + [RTA_ENCAP_TYPE] = { .type = NLA_U16 }, + [RTA_ENCAP] = { .type = NLA_NESTED }, }; static int rtm_to_fib6_config(struct sk_buff *skb, struct nlmsghdr *nlh, @@ -2689,6 +2703,12 @@ static int rtm_to_fib6_config(struct sk_buff *skb, struct nlmsghdr *nlh, cfg->fc_flags |= RTF_PREF(pref); } + if (tb[RTA_ENCAP]) + cfg->fc_encap = tb[RTA_ENCAP]; + + if (tb[RTA_ENCAP_TYPE]) + cfg->fc_encap_type = nla_get_u16(tb[RTA_ENCAP_TYPE]); + err = 0; errout: return err; @@ -2721,6 +2741,10 @@ beginning: r_cfg.fc_gateway = nla_get_in6_addr(nla); r_cfg.fc_flags |= RTF_GATEWAY; } + r_cfg.fc_encap = nla_find(attrs, attrlen, RTA_ENCAP); + nla = nla_find(attrs, attrlen, RTA_ENCAP_TYPE); + if (nla) + r_cfg.fc_encap_type = nla_get_u16(nla); } err = add ? ip6_route_add(&r_cfg) : ip6_route_del(&r_cfg); if (err) { @@ -2783,7 +2807,7 @@ static int inet6_rtm_newroute(struct sk_buff *skb, struct nlmsghdr *nlh) return ip6_route_add(&cfg); } -static inline size_t rt6_nlmsg_size(void) +static inline size_t rt6_nlmsg_size(struct rt6_info *rt) { return NLMSG_ALIGN(sizeof(struct rtmsg)) + nla_total_size(16) /* RTA_SRC */ @@ -2797,7 +2821,8 @@ static inline size_t rt6_nlmsg_size(void) + RTAX_MAX * nla_total_size(4) /* RTA_METRICS */ + nla_total_size(sizeof(struct rta_cacheinfo)) + nla_total_size(TCP_CA_NAME_MAX) /* RTAX_CC_ALGO */ - + nla_total_size(1); /* RTA_PREF */ + + nla_total_size(1) /* RTA_PREF */ + + lwtunnel_get_encap_size(rt->rt6i_lwtstate); } static int rt6_fill_node(struct net *net, @@ -2945,6 +2970,8 @@ static int rt6_fill_node(struct net *net, if (nla_put_u8(skb, RTA_PREF, IPV6_EXTRACT_PREF(rt->rt6i_flags))) goto nla_put_failure; + lwtunnel_fill_encap(skb, rt->rt6i_lwtstate); + nlmsg_end(skb, nlh); return 0; @@ -3071,7 +3098,7 @@ void inet6_rt_notify(int event, struct rt6_info *rt, struct nl_info *info) err = -ENOBUFS; seq = info->nlh ? info->nlh->nlmsg_seq : 0; - skb = nlmsg_new(rt6_nlmsg_size(), gfp_any()); + skb = nlmsg_new(rt6_nlmsg_size(rt), gfp_any()); if (!skb) goto errout; |