net: Use flowi4 and flowi6 in xfrm layer.

Signed-off-by: David S. Miller <davem@davemloft.net>

2 files changed, 32 insertions, 28 deletions

diff --git a/net/ipv4/xfrm4_policy.c b/net/ipv4/xfrm4_policy.c
index b111f468fa29..30b312c577bc 100644
--- a/net/ipv4/xfrm4_policy.c
+++ b/net/ipv4/xfrm4_policy.c
@@ -56,7 +56,7 @@ static int xfrm4_get_saddr(struct net *net,
 
 static int xfrm4_get_tos(const struct flowi *fl)
 {
-        return IPTOS_RT_MASK & fl->fl4_tos; /* Strip ECN bits */
+        return IPTOS_RT_MASK & fl->u.ip4.flowi4_tos; /* Strip ECN bits */
 }
 
 static int xfrm4_init_path(struct xfrm_dst *path, struct dst_entry *dst,
@@ -69,13 +69,14 @@ static int xfrm4_fill_dst(struct xfrm_dst *xdst, struct net_device *dev,
                           const struct flowi *fl)
 {
         struct rtable *rt = (struct rtable *)xdst->route;
+        const struct flowi4 *fl4 = &fl->u.ip4;
 
-        rt->rt_key_dst = fl->fl4_dst;
-        rt->rt_key_src = fl->fl4_src;
-        rt->rt_tos = fl->fl4_tos;
-        rt->rt_iif = fl->flowi_iif;
-        rt->rt_oif = fl->flowi_oif;
-        rt->rt_mark = fl->flowi_mark;
+        rt->rt_key_dst = fl4->daddr;
+        rt->rt_key_src = fl4->saddr;
+        rt->rt_tos = fl4->flowi4_tos;
+        rt->rt_iif = fl4->flowi4_iif;
+        rt->rt_oif = fl4->flowi4_oif;
+        rt->rt_mark = fl4->flowi4_mark;
 
         xdst->u.dst.dev = dev;
         dev_hold(dev);
@@ -102,9 +103,10 @@ _decode_session4(struct sk_buff *skb, struct flowi *fl, int reverse)
 {
         struct iphdr *iph = ip_hdr(skb);
         u8 *xprth = skb_network_header(skb) + iph->ihl * 4;
+        struct flowi4 *fl4 = &fl->u.ip4;
 
-        memset(fl, 0, sizeof(struct flowi));
-        fl->flowi_mark = skb->mark;
+        memset(fl4, 0, sizeof(struct flowi4));
+        fl4->flowi4_mark = skb->mark;
 
         if (!(iph->frag_off & htons(IP_MF | IP_OFFSET))) {
                 switch (iph->protocol) {
@@ -117,8 +119,8 @@ _decode_session4(struct sk_buff *skb, struct flowi *fl, int reverse)
                             pskb_may_pull(skb, xprth + 4 - skb->data)) {
                                 __be16 *ports = (__be16 *)xprth;
 
-                                fl->fl4_sport = ports[!!reverse];
-                                fl->fl4_dport = ports[!reverse];
+                                fl4->uli.ports.sport = ports[!!reverse];
+                                fl4->uli.ports.dport = ports[!reverse];
                         }
                         break;
 
@@ -126,8 +128,8 @@ _decode_session4(struct sk_buff *skb, struct flowi *fl, int reverse)
                         if (pskb_may_pull(skb, xprth + 2 - skb->data)) {
                                 u8 *icmp = xprth;
 
-                                fl->fl4_icmp_type = icmp[0];
-                                fl->fl4_icmp_code = icmp[1];
+                                fl4->uli.icmpt.type = icmp[0];
+                                fl4->uli.icmpt.code = icmp[1];
                         }
                         break;
 
@@ -135,7 +137,7 @@ _decode_session4(struct sk_buff *skb, struct flowi *fl, int reverse)
                         if (pskb_may_pull(skb, xprth + 4 - skb->data)) {
                                 __be32 *ehdr = (__be32 *)xprth;
 
-                                fl->fl4_ipsec_spi = ehdr[0];
+                                fl4->uli.spi = ehdr[0];
                         }
                         break;
 
@@ -143,7 +145,7 @@ _decode_session4(struct sk_buff *skb, struct flowi *fl, int reverse)
                         if (pskb_may_pull(skb, xprth + 8 - skb->data)) {
                                 __be32 *ah_hdr = (__be32*)xprth;
 
-                                fl->fl4_ipsec_spi = ah_hdr[1];
+                                fl4->uli.spi = ah_hdr[1];
                         }
                         break;
 
@@ -151,7 +153,7 @@ _decode_session4(struct sk_buff *skb, struct flowi *fl, int reverse)
                         if (pskb_may_pull(skb, xprth + 4 - skb->data)) {
                                 __be16 *ipcomp_hdr = (__be16 *)xprth;
 
-                                fl->fl4_ipsec_spi = htonl(ntohs(ipcomp_hdr[1]));
+                                fl4->uli.spi = htonl(ntohs(ipcomp_hdr[1]));
                         }
                         break;
 
@@ -163,20 +165,20 @@ _decode_session4(struct sk_buff *skb, struct flowi *fl, int reverse)
                                 if (greflags[0] & GRE_KEY) {
                                         if (greflags[0] & GRE_CSUM)
                                                 gre_hdr++;
-                                        fl->fl4_gre_key = gre_hdr[1];
+                                        fl4->uli.gre_key = gre_hdr[1];
                                 }
                         }
                         break;
 
                 default:
-                        fl->fl4_ipsec_spi = 0;
+                        fl4->uli.spi = 0;
                         break;
                 }
         }
-        fl->flowi_proto = iph->protocol;
-        fl->fl4_dst = reverse ? iph->saddr : iph->daddr;
-        fl->fl4_src = reverse ? iph->daddr : iph->saddr;
-        fl->fl4_tos = iph->tos;
+        fl4->flowi4_proto = iph->protocol;
+        fl4->daddr = reverse ? iph->saddr : iph->daddr;
+        fl4->saddr = reverse ? iph->daddr : iph->saddr;
+        fl4->flowi4_tos = iph->tos;
 }
 
 static inline int xfrm4_garbage_collect(struct dst_ops *ops)
diff --git a/net/ipv4/xfrm4_state.c b/net/ipv4/xfrm4_state.c
index d8d541954532..1717c64628d1 100644
--- a/net/ipv4/xfrm4_state.c
+++ b/net/ipv4/xfrm4_state.c
@@ -23,17 +23,19 @@ static int xfrm4_init_flags(struct xfrm_state *x)
 static void
 __xfrm4_init_tempsel(struct xfrm_selector *sel, const struct flowi *fl)
 {
-        sel->daddr.a4 = fl->fl4_dst;
-        sel->saddr.a4 = fl->fl4_src;
-        sel->dport = xfrm_flowi_dport(fl, &fl->u.ip4.uli);
+        const struct flowi4 *fl4 = &fl->u.ip4;
+
+        sel->daddr.a4 = fl4->daddr;
+        sel->saddr.a4 = fl4->saddr;
+        sel->dport = xfrm_flowi_dport(fl, &fl4->uli);
         sel->dport_mask = htons(0xffff);
-        sel->sport = xfrm_flowi_sport(fl, &fl->u.ip4.uli);
+        sel->sport = xfrm_flowi_sport(fl, &fl4->uli);
         sel->sport_mask = htons(0xffff);
         sel->family = AF_INET;
         sel->prefixlen_d = 32;
         sel->prefixlen_s = 32;
-        sel->proto = fl->flowi_proto;
-        sel->ifindex = fl->flowi_oif;
+        sel->proto = fl4->flowi4_proto;
+        sel->ifindex = fl4->flowi4_oif;
 }
 
 static void