ipv6: Convert to use flowi6 where applicable.
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index 3d0f2ac..1820887 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -174,15 +174,15 @@
* xmit an sk_buff (used by TCP, SCTP and DCCP)
*/
-int ip6_xmit(struct sock *sk, struct sk_buff *skb, struct flowi *fl,
+int ip6_xmit(struct sock *sk, struct sk_buff *skb, struct flowi6 *fl6,
struct ipv6_txoptions *opt)
{
struct net *net = sock_net(sk);
struct ipv6_pinfo *np = inet6_sk(sk);
- struct in6_addr *first_hop = &fl->fl6_dst;
+ struct in6_addr *first_hop = &fl6->daddr;
struct dst_entry *dst = skb_dst(skb);
struct ipv6hdr *hdr;
- u8 proto = fl->flowi_proto;
+ u8 proto = fl6->flowi6_proto;
int seg_len = skb->len;
int hlimit = -1;
int tclass = 0;
@@ -230,13 +230,13 @@
if (hlimit < 0)
hlimit = ip6_dst_hoplimit(dst);
- *(__be32 *)hdr = htonl(0x60000000 | (tclass << 20)) | fl->fl6_flowlabel;
+ *(__be32 *)hdr = htonl(0x60000000 | (tclass << 20)) | fl6->flowlabel;
hdr->payload_len = htons(seg_len);
hdr->nexthdr = proto;
hdr->hop_limit = hlimit;
- ipv6_addr_copy(&hdr->saddr, &fl->fl6_src);
+ ipv6_addr_copy(&hdr->saddr, &fl6->saddr);
ipv6_addr_copy(&hdr->daddr, first_hop);
skb->priority = sk->sk_priority;
@@ -879,7 +879,7 @@
static struct dst_entry *ip6_sk_dst_check(struct sock *sk,
struct dst_entry *dst,
- struct flowi *fl)
+ struct flowi6 *fl6)
{
struct ipv6_pinfo *np = inet6_sk(sk);
struct rt6_info *rt = (struct rt6_info *)dst;
@@ -904,11 +904,11 @@
* sockets.
* 2. oif also should be the same.
*/
- if (ip6_rt_check(&rt->rt6i_dst, &fl->fl6_dst, np->daddr_cache) ||
+ if (ip6_rt_check(&rt->rt6i_dst, &fl6->daddr, np->daddr_cache) ||
#ifdef CONFIG_IPV6_SUBTREES
- ip6_rt_check(&rt->rt6i_src, &fl->fl6_src, np->saddr_cache) ||
+ ip6_rt_check(&rt->rt6i_src, &fl6->saddr, np->saddr_cache) ||
#endif
- (fl->flowi_oif && fl->flowi_oif != dst->dev->ifindex)) {
+ (fl6->flowi6_oif && fl6->flowi6_oif != dst->dev->ifindex)) {
dst_release(dst);
dst = NULL;
}
@@ -918,22 +918,22 @@
}
static int ip6_dst_lookup_tail(struct sock *sk,
- struct dst_entry **dst, struct flowi *fl)
+ struct dst_entry **dst, struct flowi6 *fl6)
{
int err;
struct net *net = sock_net(sk);
if (*dst == NULL)
- *dst = ip6_route_output(net, sk, fl);
+ *dst = ip6_route_output(net, sk, fl6);
if ((err = (*dst)->error))
goto out_err_release;
- if (ipv6_addr_any(&fl->fl6_src)) {
+ if (ipv6_addr_any(&fl6->saddr)) {
err = ipv6_dev_get_saddr(net, ip6_dst_idev(*dst)->dev,
- &fl->fl6_dst,
+ &fl6->daddr,
sk ? inet6_sk(sk)->srcprefs : 0,
- &fl->fl6_src);
+ &fl6->saddr);
if (err)
goto out_err_release;
}
@@ -949,10 +949,10 @@
*/
if ((*dst)->neighbour && !((*dst)->neighbour->nud_state & NUD_VALID)) {
struct inet6_ifaddr *ifp;
- struct flowi fl_gw;
+ struct flowi6 fl_gw6;
int redirect;
- ifp = ipv6_get_ifaddr(net, &fl->fl6_src,
+ ifp = ipv6_get_ifaddr(net, &fl6->saddr,
(*dst)->dev, 1);
redirect = (ifp && ifp->flags & IFA_F_OPTIMISTIC);
@@ -965,9 +965,9 @@
* default router instead
*/
dst_release(*dst);
- memcpy(&fl_gw, fl, sizeof(struct flowi));
- memset(&fl_gw.fl6_dst, 0, sizeof(struct in6_addr));
- *dst = ip6_route_output(net, sk, &fl_gw);
+ memcpy(&fl_gw6, fl6, sizeof(struct flowi6));
+ memset(&fl_gw6.daddr, 0, sizeof(struct in6_addr));
+ *dst = ip6_route_output(net, sk, &fl_gw6);
if ((err = (*dst)->error))
goto out_err_release;
}
@@ -988,23 +988,23 @@
* ip6_dst_lookup - perform route lookup on flow
* @sk: socket which provides route info
* @dst: pointer to dst_entry * for result
- * @fl: flow to lookup
+ * @fl6: flow to lookup
*
* This function performs a route lookup on the given flow.
*
* It returns zero on success, or a standard errno code on error.
*/
-int ip6_dst_lookup(struct sock *sk, struct dst_entry **dst, struct flowi *fl)
+int ip6_dst_lookup(struct sock *sk, struct dst_entry **dst, struct flowi6 *fl6)
{
*dst = NULL;
- return ip6_dst_lookup_tail(sk, dst, fl);
+ return ip6_dst_lookup_tail(sk, dst, fl6);
}
EXPORT_SYMBOL_GPL(ip6_dst_lookup);
/**
* ip6_dst_lookup_flow - perform route lookup on flow with ipsec
* @sk: socket which provides route info
- * @fl: flow to lookup
+ * @fl6: flow to lookup
* @final_dst: final destination address for ipsec lookup
* @can_sleep: we are in a sleepable context
*
@@ -1013,29 +1013,29 @@
* It returns a valid dst pointer on success, or a pointer encoded
* error code.
*/
-struct dst_entry *ip6_dst_lookup_flow(struct sock *sk, struct flowi *fl,
+struct dst_entry *ip6_dst_lookup_flow(struct sock *sk, struct flowi6 *fl6,
const struct in6_addr *final_dst,
bool can_sleep)
{
struct dst_entry *dst = NULL;
int err;
- err = ip6_dst_lookup_tail(sk, &dst, fl);
+ err = ip6_dst_lookup_tail(sk, &dst, fl6);
if (err)
return ERR_PTR(err);
if (final_dst)
- ipv6_addr_copy(&fl->fl6_dst, final_dst);
+ ipv6_addr_copy(&fl6->daddr, final_dst);
if (can_sleep)
- fl->flowi_flags |= FLOWI_FLAG_CAN_SLEEP;
+ fl6->flowi6_flags |= FLOWI_FLAG_CAN_SLEEP;
- return xfrm_lookup(sock_net(sk), dst, fl, sk, 0);
+ return xfrm_lookup(sock_net(sk), dst, flowi6_to_flowi(fl6), sk, 0);
}
EXPORT_SYMBOL_GPL(ip6_dst_lookup_flow);
/**
* ip6_sk_dst_lookup_flow - perform socket cached route lookup on flow
* @sk: socket which provides the dst cache and route info
- * @fl: flow to lookup
+ * @fl6: flow to lookup
* @final_dst: final destination address for ipsec lookup
* @can_sleep: we are in a sleepable context
*
@@ -1047,24 +1047,24 @@
* It returns a valid dst pointer on success, or a pointer encoded
* error code.
*/
-struct dst_entry *ip6_sk_dst_lookup_flow(struct sock *sk, struct flowi *fl,
+struct dst_entry *ip6_sk_dst_lookup_flow(struct sock *sk, struct flowi6 *fl6,
const struct in6_addr *final_dst,
bool can_sleep)
{
struct dst_entry *dst = sk_dst_check(sk, inet6_sk(sk)->dst_cookie);
int err;
- dst = ip6_sk_dst_check(sk, dst, fl);
+ dst = ip6_sk_dst_check(sk, dst, fl6);
- err = ip6_dst_lookup_tail(sk, &dst, fl);
+ err = ip6_dst_lookup_tail(sk, &dst, fl6);
if (err)
return ERR_PTR(err);
if (final_dst)
- ipv6_addr_copy(&fl->fl6_dst, final_dst);
+ ipv6_addr_copy(&fl6->daddr, final_dst);
if (can_sleep)
- fl->flowi_flags |= FLOWI_FLAG_CAN_SLEEP;
+ fl6->flowi6_flags |= FLOWI_FLAG_CAN_SLEEP;
- return xfrm_lookup(sock_net(sk), dst, fl, sk, 0);
+ return xfrm_lookup(sock_net(sk), dst, flowi6_to_flowi(fl6), sk, 0);
}
EXPORT_SYMBOL_GPL(ip6_sk_dst_lookup_flow);
@@ -1145,7 +1145,7 @@
int ip6_append_data(struct sock *sk, int getfrag(void *from, char *to,
int offset, int len, int odd, struct sk_buff *skb),
void *from, int length, int transhdrlen,
- int hlimit, int tclass, struct ipv6_txoptions *opt, struct flowi *fl,
+ int hlimit, int tclass, struct ipv6_txoptions *opt, struct flowi6 *fl6,
struct rt6_info *rt, unsigned int flags, int dontfrag)
{
struct inet_sock *inet = inet_sk(sk);
@@ -1203,7 +1203,7 @@
}
dst_hold(&rt->dst);
inet->cork.dst = &rt->dst;
- inet->cork.fl = *fl;
+ inet->cork.fl.u.ip6 = *fl6;
np->cork.hop_limit = hlimit;
np->cork.tclass = tclass;
mtu = np->pmtudisc == IPV6_PMTUDISC_PROBE ?
@@ -1224,7 +1224,7 @@
transhdrlen += exthdrlen;
} else {
rt = (struct rt6_info *)inet->cork.dst;
- fl = &inet->cork.fl;
+ fl6 = &inet->cork.fl.u.ip6;
opt = np->cork.opt;
transhdrlen = 0;
exthdrlen = 0;
@@ -1239,7 +1239,7 @@
if (mtu <= sizeof(struct ipv6hdr) + IPV6_MAXPLEN) {
if (inet->cork.length + length > sizeof(struct ipv6hdr) + IPV6_MAXPLEN - fragheaderlen) {
- ipv6_local_error(sk, EMSGSIZE, fl, mtu-exthdrlen);
+ ipv6_local_error(sk, EMSGSIZE, fl6, mtu-exthdrlen);
return -EMSGSIZE;
}
}
@@ -1271,7 +1271,7 @@
if (length > mtu) {
int proto = sk->sk_protocol;
if (dontfrag && (proto == IPPROTO_UDP || proto == IPPROTO_RAW)){
- ipv6_local_rxpmtu(sk, fl, mtu-exthdrlen);
+ ipv6_local_rxpmtu(sk, fl6, mtu-exthdrlen);
return -EMSGSIZE;
}
@@ -1516,8 +1516,8 @@
struct ipv6hdr *hdr;
struct ipv6_txoptions *opt = np->cork.opt;
struct rt6_info *rt = (struct rt6_info *)inet->cork.dst;
- struct flowi *fl = &inet->cork.fl;
- unsigned char proto = fl->flowi_proto;
+ struct flowi6 *fl6 = &inet->cork.fl.u.ip6;
+ unsigned char proto = fl6->flowi6_proto;
int err = 0;
if ((skb = __skb_dequeue(&sk->sk_write_queue)) == NULL)
@@ -1542,7 +1542,7 @@
if (np->pmtudisc < IPV6_PMTUDISC_DO)
skb->local_df = 1;
- ipv6_addr_copy(final_dst, &fl->fl6_dst);
+ ipv6_addr_copy(final_dst, &fl6->daddr);
__skb_pull(skb, skb_network_header_len(skb));
if (opt && opt->opt_flen)
ipv6_push_frag_opts(skb, opt, &proto);
@@ -1553,12 +1553,12 @@
skb_reset_network_header(skb);
hdr = ipv6_hdr(skb);
- *(__be32*)hdr = fl->fl6_flowlabel |
+ *(__be32*)hdr = fl6->flowlabel |
htonl(0x60000000 | ((int)np->cork.tclass << 20));
hdr->hop_limit = np->cork.hop_limit;
hdr->nexthdr = proto;
- ipv6_addr_copy(&hdr->saddr, &fl->fl6_src);
+ ipv6_addr_copy(&hdr->saddr, &fl6->saddr);
ipv6_addr_copy(&hdr->daddr, final_dst);
skb->priority = sk->sk_priority;