diff options
author | David S. Miller <davem@davemloft.net> | 2011-03-12 02:42:11 -0500 |
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committer | David S. Miller <davem@davemloft.net> | 2011-03-12 15:08:52 -0800 |
commit | 7e1dc7b6f709dfc1a9ab4b320dbe723f45992693 (patch) | |
tree | db3a0ae07fb469c7f809a448bc39563f98edfec5 /net/ipv4/xfrm4_policy.c | |
parent | 2032656e76b5355151effdff14de4a1a58643915 (diff) | |
download | lwn-7e1dc7b6f709dfc1a9ab4b320dbe723f45992693.tar.gz lwn-7e1dc7b6f709dfc1a9ab4b320dbe723f45992693.zip |
net: Use flowi4 and flowi6 in xfrm layer.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/xfrm4_policy.c')
-rw-r--r-- | net/ipv4/xfrm4_policy.c | 46 |
1 files changed, 24 insertions, 22 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) |