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ipv6: Convert to use flowi6 where applicable.
[firefly-linux-kernel-4.4.55.git] / net / ipv6 / route.c
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index c3b20d63921ffe5db3396e5dcf64cd55268df58a..6814c8722fa7dd8784a0cbfefcefa219ba789475 100644 (file)
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -599,17 +599,17 @@ do { \
 
 static struct rt6_info *ip6_pol_route_lookup(struct net *net,
                                             struct fib6_table *table,
-                                            struct flowi *fl, int flags)
+                                            struct flowi6 *fl6, int flags)
 {
        struct fib6_node *fn;
        struct rt6_info *rt;
 
        read_lock_bh(&table->tb6_lock);
-       fn = fib6_lookup(&table->tb6_root, &fl->fl6_dst, &fl->fl6_src);
+       fn = fib6_lookup(&table->tb6_root, &fl6->daddr, &fl6->saddr);
 restart:
        rt = fn->leaf;
-       rt = rt6_device_match(net, rt, &fl->fl6_src, fl->flowi_oif, flags);
-       BACKTRACK(net, &fl->fl6_src);
+       rt = rt6_device_match(net, rt, &fl6->saddr, fl6->flowi6_oif, flags);
+       BACKTRACK(net, &fl6->saddr);
 out:
        dst_use(&rt->dst, jiffies);
        read_unlock_bh(&table->tb6_lock);
@@ -620,19 +620,19 @@ out:
 struct rt6_info *rt6_lookup(struct net *net, const struct in6_addr *daddr,
                            const struct in6_addr *saddr, int oif, int strict)
 {
-       struct flowi fl = {
-               .flowi_oif = oif,
-               .fl6_dst = *daddr,
+       struct flowi6 fl6 = {
+               .flowi6_oif = oif,
+               .daddr = *daddr,
        };
        struct dst_entry *dst;
        int flags = strict ? RT6_LOOKUP_F_IFACE : 0;
 
        if (saddr) {
-               memcpy(&fl.fl6_src, saddr, sizeof(*saddr));
+               memcpy(&fl6.saddr, saddr, sizeof(*saddr));
                flags |= RT6_LOOKUP_F_HAS_SADDR;
        }
 
-       dst = fib6_rule_lookup(net, &fl, flags, ip6_pol_route_lookup);
+       dst = fib6_rule_lookup(net, &fl6, flags, ip6_pol_route_lookup);
        if (dst->error == 0)
                return (struct rt6_info *) dst;
 
@@ -753,7 +753,7 @@ static struct rt6_info *rt6_alloc_clone(struct rt6_info *ort, struct in6_addr *d
 }
 
 static struct rt6_info *ip6_pol_route(struct net *net, struct fib6_table *table, int oif,
-                                     struct flowi *fl, int flags)
+                                     struct flowi6 *fl6, int flags)
 {
        struct fib6_node *fn;
        struct rt6_info *rt, *nrt;
@@ -768,12 +768,12 @@ relookup:
        read_lock_bh(&table->tb6_lock);
 
 restart_2:
-       fn = fib6_lookup(&table->tb6_root, &fl->fl6_dst, &fl->fl6_src);
+       fn = fib6_lookup(&table->tb6_root, &fl6->daddr, &fl6->saddr);
 
 restart:
        rt = rt6_select(fn, oif, strict | reachable);
 
-       BACKTRACK(net, &fl->fl6_src);
+       BACKTRACK(net, &fl6->saddr);
        if (rt == net->ipv6.ip6_null_entry ||
            rt->rt6i_flags & RTF_CACHE)
                goto out;
@@ -782,9 +782,9 @@ restart:
        read_unlock_bh(&table->tb6_lock);
 
        if (!rt->rt6i_nexthop && !(rt->rt6i_flags & RTF_NONEXTHOP))
-               nrt = rt6_alloc_cow(rt, &fl->fl6_dst, &fl->fl6_src);
+               nrt = rt6_alloc_cow(rt, &fl6->daddr, &fl6->saddr);
        else if (!(rt->dst.flags & DST_HOST))
-               nrt = rt6_alloc_clone(rt, &fl->fl6_dst);
+               nrt = rt6_alloc_clone(rt, &fl6->daddr);
        else
                goto out2;
 
@@ -823,9 +823,9 @@ out2:
 }
 
 static struct rt6_info *ip6_pol_route_input(struct net *net, struct fib6_table *table,
-                                           struct flowi *fl, int flags)
+                                           struct flowi6 *fl6, int flags)
 {
-       return ip6_pol_route(net, table, fl->flowi_iif, fl, flags);
+       return ip6_pol_route(net, table, fl6->flowi6_iif, fl6, flags);
 }
 
 void ip6_route_input(struct sk_buff *skb)
@@ -833,41 +833,41 @@ void ip6_route_input(struct sk_buff *skb)
        struct ipv6hdr *iph = ipv6_hdr(skb);
        struct net *net = dev_net(skb->dev);
        int flags = RT6_LOOKUP_F_HAS_SADDR;
-       struct flowi fl = {
-               .flowi_iif = skb->dev->ifindex,
-               .fl6_dst = iph->daddr,
-               .fl6_src = iph->saddr,
-               .fl6_flowlabel = (* (__be32 *) iph)&IPV6_FLOWINFO_MASK,
-               .flowi_mark = skb->mark,
-               .flowi_proto = iph->nexthdr,
+       struct flowi6 fl6 = {
+               .flowi6_iif = skb->dev->ifindex,
+               .daddr = iph->daddr,
+               .saddr = iph->saddr,
+               .flowlabel = (* (__be32 *) iph)&IPV6_FLOWINFO_MASK,
+               .flowi6_mark = skb->mark,
+               .flowi6_proto = iph->nexthdr,
        };
 
        if (rt6_need_strict(&iph->daddr) && skb->dev->type != ARPHRD_PIMREG)
                flags |= RT6_LOOKUP_F_IFACE;
 
-       skb_dst_set(skb, fib6_rule_lookup(net, &fl, flags, ip6_pol_route_input));
+       skb_dst_set(skb, fib6_rule_lookup(net, &fl6, flags, ip6_pol_route_input));
 }
 
 static struct rt6_info *ip6_pol_route_output(struct net *net, struct fib6_table *table,
-                                            struct flowi *fl, int flags)
+                                            struct flowi6 *fl6, int flags)
 {
-       return ip6_pol_route(net, table, fl->flowi_oif, fl, flags);
+       return ip6_pol_route(net, table, fl6->flowi6_oif, fl6, flags);
 }
 
 struct dst_entry * ip6_route_output(struct net *net, struct sock *sk,
-                                   struct flowi *fl)
+                                   struct flowi6 *fl6)
 {
        int flags = 0;
 
-       if ((sk && sk->sk_bound_dev_if) || rt6_need_strict(&fl->fl6_dst))
+       if ((sk && sk->sk_bound_dev_if) || rt6_need_strict(&fl6->daddr))
                flags |= RT6_LOOKUP_F_IFACE;
 
-       if (!ipv6_addr_any(&fl->fl6_src))
+       if (!ipv6_addr_any(&fl6->saddr))
                flags |= RT6_LOOKUP_F_HAS_SADDR;
        else if (sk)
                flags |= rt6_srcprefs2flags(inet6_sk(sk)->srcprefs);
 
-       return fib6_rule_lookup(net, fl, flags, ip6_pol_route_output);
+       return fib6_rule_lookup(net, fl6, flags, ip6_pol_route_output);
 }
 
 EXPORT_SYMBOL(ip6_route_output);
@@ -1444,16 +1444,16 @@ static int ip6_route_del(struct fib6_config *cfg)
  *     Handle redirects
  */
 struct ip6rd_flowi {
-       struct flowi fl;
+       struct flowi6 fl6;
        struct in6_addr gateway;
 };
 
 static struct rt6_info *__ip6_route_redirect(struct net *net,
                                             struct fib6_table *table,
-                                            struct flowi *fl,
+                                            struct flowi6 *fl6,
                                             int flags)
 {
-       struct ip6rd_flowi *rdfl = (struct ip6rd_flowi *)fl;
+       struct ip6rd_flowi *rdfl = (struct ip6rd_flowi *)fl6;
        struct rt6_info *rt;
        struct fib6_node *fn;
 
@@ -1469,7 +1469,7 @@ static struct rt6_info *__ip6_route_redirect(struct net *net,
         */
 
        read_lock_bh(&table->tb6_lock);
-       fn = fib6_lookup(&table->tb6_root, &fl->fl6_dst, &fl->fl6_src);
+       fn = fib6_lookup(&table->tb6_root, &fl6->daddr, &fl6->saddr);
 restart:
        for (rt = fn->leaf; rt; rt = rt->dst.rt6_next) {
                /*
@@ -1484,7 +1484,7 @@ restart:
                        continue;
                if (!(rt->rt6i_flags & RTF_GATEWAY))
                        continue;
-               if (fl->flowi_oif != rt->rt6i_dev->ifindex)
+               if (fl6->flowi6_oif != rt->rt6i_dev->ifindex)
                        continue;
                if (!ipv6_addr_equal(&rdfl->gateway, &rt->rt6i_gateway))
                        continue;
@@ -1493,7 +1493,7 @@ restart:
 
        if (!rt)
                rt = net->ipv6.ip6_null_entry;
-       BACKTRACK(net, &fl->fl6_src);
+       BACKTRACK(net, &fl6->saddr);
 out:
        dst_hold(&rt->dst);
 
@@ -1510,10 +1510,10 @@ static struct rt6_info *ip6_route_redirect(struct in6_addr *dest,
        int flags = RT6_LOOKUP_F_HAS_SADDR;
        struct net *net = dev_net(dev);
        struct ip6rd_flowi rdfl = {
-               .fl = {
-                       .flowi_oif = dev->ifindex,
-                       .fl6_dst = *dest,
-                       .fl6_src = *src,
+               .fl6 = {
+                       .flowi6_oif = dev->ifindex,
+                       .daddr = *dest,
+                       .saddr = *src,
                },
        };
 
@@ -1522,7 +1522,7 @@ static struct rt6_info *ip6_route_redirect(struct in6_addr *dest,
        if (rt6_need_strict(dest))
                flags |= RT6_LOOKUP_F_IFACE;
 
-       return (struct rt6_info *)fib6_rule_lookup(net, (struct flowi *)&rdfl,
+       return (struct rt6_info *)fib6_rule_lookup(net, &rdfl.fl6,
                                                   flags, __ip6_route_redirect);
 }
 
@@ -2385,7 +2385,7 @@ static int inet6_rtm_getroute(struct sk_buff *in_skb, struct nlmsghdr* nlh, void
        struct rt6_info *rt;
        struct sk_buff *skb;
        struct rtmsg *rtm;
-       struct flowi fl;
+       struct flowi6 fl6;
        int err, iif = 0;
 
        err = nlmsg_parse(nlh, sizeof(*rtm), tb, RTA_MAX, rtm_ipv6_policy);
@@ -2393,27 +2393,27 @@ static int inet6_rtm_getroute(struct sk_buff *in_skb, struct nlmsghdr* nlh, void
                goto errout;
 
        err = -EINVAL;
-       memset(&fl, 0, sizeof(fl));
+       memset(&fl6, 0, sizeof(fl6));
 
        if (tb[RTA_SRC]) {
                if (nla_len(tb[RTA_SRC]) < sizeof(struct in6_addr))
                        goto errout;
 
-               ipv6_addr_copy(&fl.fl6_src, nla_data(tb[RTA_SRC]));
+               ipv6_addr_copy(&fl6.saddr, nla_data(tb[RTA_SRC]));
        }
 
        if (tb[RTA_DST]) {
                if (nla_len(tb[RTA_DST]) < sizeof(struct in6_addr))
                        goto errout;
 
-               ipv6_addr_copy(&fl.fl6_dst, nla_data(tb[RTA_DST]));
+               ipv6_addr_copy(&fl6.daddr, nla_data(tb[RTA_DST]));
        }
 
        if (tb[RTA_IIF])
                iif = nla_get_u32(tb[RTA_IIF]);
 
        if (tb[RTA_OIF])
-               fl.flowi_oif = nla_get_u32(tb[RTA_OIF]);
+               fl6.flowi6_oif = nla_get_u32(tb[RTA_OIF]);
 
        if (iif) {
                struct net_device *dev;
@@ -2436,10 +2436,10 @@ static int inet6_rtm_getroute(struct sk_buff *in_skb, struct nlmsghdr* nlh, void
        skb_reset_mac_header(skb);
        skb_reserve(skb, MAX_HEADER + sizeof(struct ipv6hdr));
 
-       rt = (struct rt6_info*) ip6_route_output(net, NULL, &fl);
+       rt = (struct rt6_info*) ip6_route_output(net, NULL, &fl6);
        skb_dst_set(skb, &rt->dst);
 
-       err = rt6_fill_node(net, skb, rt, &fl.fl6_dst, &fl.fl6_src, iif,
+       err = rt6_fill_node(net, skb, rt, &fl6.daddr, &fl6.saddr, iif,
                            RTM_NEWROUTE, NETLINK_CB(in_skb).pid,
                            nlh->nlmsg_seq, 0, 0, 0);
        if (err < 0) {
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