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Diffstat (limited to 'net/ipv6/datagram.c')
-rw-r--r--net/ipv6/datagram.c88
1 files changed, 41 insertions, 47 deletions
diff --git a/net/ipv6/datagram.c b/net/ipv6/datagram.c
index 320bdb877eed..16560336eb72 100644
--- a/net/ipv6/datagram.c
+++ b/net/ipv6/datagram.c
@@ -40,7 +40,7 @@ int ip6_datagram_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len)
struct ipv6_pinfo *np = inet6_sk(sk);
struct in6_addr *daddr, *final_p, final;
struct dst_entry *dst;
- struct flowi fl;
+ struct flowi6 fl6;
struct ip6_flowlabel *flowlabel = NULL;
struct ipv6_txoptions *opt;
int addr_type;
@@ -59,11 +59,11 @@ int ip6_datagram_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len)
if (usin->sin6_family != AF_INET6)
return -EAFNOSUPPORT;
- memset(&fl, 0, sizeof(fl));
+ memset(&fl6, 0, sizeof(fl6));
if (np->sndflow) {
- fl.fl6_flowlabel = usin->sin6_flowinfo&IPV6_FLOWINFO_MASK;
- if (fl.fl6_flowlabel&IPV6_FLOWLABEL_MASK) {
- flowlabel = fl6_sock_lookup(sk, fl.fl6_flowlabel);
+ fl6.flowlabel = usin->sin6_flowinfo&IPV6_FLOWINFO_MASK;
+ if (fl6.flowlabel&IPV6_FLOWLABEL_MASK) {
+ flowlabel = fl6_sock_lookup(sk, fl6.flowlabel);
if (flowlabel == NULL)
return -EINVAL;
ipv6_addr_copy(&usin->sin6_addr, &flowlabel->dst);
@@ -137,7 +137,7 @@ ipv4_connected:
}
ipv6_addr_copy(&np->daddr, daddr);
- np->flow_label = fl.fl6_flowlabel;
+ np->flow_label = fl6.flowlabel;
inet->inet_dport = usin->sin6_port;
@@ -146,53 +146,46 @@ ipv4_connected:
* destination cache for it.
*/
- fl.proto = sk->sk_protocol;
- ipv6_addr_copy(&fl.fl6_dst, &np->daddr);
- ipv6_addr_copy(&fl.fl6_src, &np->saddr);
- fl.oif = sk->sk_bound_dev_if;
- fl.mark = sk->sk_mark;
- fl.fl_ip_dport = inet->inet_dport;
- fl.fl_ip_sport = inet->inet_sport;
+ fl6.flowi6_proto = sk->sk_protocol;
+ ipv6_addr_copy(&fl6.daddr, &np->daddr);
+ ipv6_addr_copy(&fl6.saddr, &np->saddr);
+ fl6.flowi6_oif = sk->sk_bound_dev_if;
+ fl6.flowi6_mark = sk->sk_mark;
+ fl6.fl6_dport = inet->inet_dport;
+ fl6.fl6_sport = inet->inet_sport;
- if (!fl.oif && (addr_type&IPV6_ADDR_MULTICAST))
- fl.oif = np->mcast_oif;
+ if (!fl6.flowi6_oif && (addr_type&IPV6_ADDR_MULTICAST))
+ fl6.flowi6_oif = np->mcast_oif;
- security_sk_classify_flow(sk, &fl);
+ security_sk_classify_flow(sk, flowi6_to_flowi(&fl6));
opt = flowlabel ? flowlabel->opt : np->opt;
- final_p = fl6_update_dst(&fl, opt, &final);
+ final_p = fl6_update_dst(&fl6, opt, &final);
- err = ip6_dst_lookup(sk, &dst, &fl);
- if (err)
+ dst = ip6_dst_lookup_flow(sk, &fl6, final_p, true);
+ err = 0;
+ if (IS_ERR(dst)) {
+ err = PTR_ERR(dst);
goto out;
- if (final_p)
- ipv6_addr_copy(&fl.fl6_dst, final_p);
-
- err = __xfrm_lookup(sock_net(sk), &dst, &fl, sk, XFRM_LOOKUP_WAIT);
- if (err < 0) {
- if (err == -EREMOTE)
- err = ip6_dst_blackhole(sk, &dst, &fl);
- if (err < 0)
- goto out;
}
/* source address lookup done in ip6_dst_lookup */
if (ipv6_addr_any(&np->saddr))
- ipv6_addr_copy(&np->saddr, &fl.fl6_src);
+ ipv6_addr_copy(&np->saddr, &fl6.saddr);
if (ipv6_addr_any(&np->rcv_saddr)) {
- ipv6_addr_copy(&np->rcv_saddr, &fl.fl6_src);
+ ipv6_addr_copy(&np->rcv_saddr, &fl6.saddr);
inet->inet_rcv_saddr = LOOPBACK4_IPV6;
if (sk->sk_prot->rehash)
sk->sk_prot->rehash(sk);
}
ip6_dst_store(sk, dst,
- ipv6_addr_equal(&fl.fl6_dst, &np->daddr) ?
+ ipv6_addr_equal(&fl6.daddr, &np->daddr) ?
&np->daddr : NULL,
#ifdef CONFIG_IPV6_SUBTREES
- ipv6_addr_equal(&fl.fl6_src, &np->saddr) ?
+ ipv6_addr_equal(&fl6.saddr, &np->saddr) ?
&np->saddr :
#endif
NULL);
@@ -238,7 +231,7 @@ void ipv6_icmp_error(struct sock *sk, struct sk_buff *skb, int err,
kfree_skb(skb);
}
-void ipv6_local_error(struct sock *sk, int err, struct flowi *fl, u32 info)
+void ipv6_local_error(struct sock *sk, int err, struct flowi6 *fl6, u32 info)
{
struct ipv6_pinfo *np = inet6_sk(sk);
struct sock_exterr_skb *serr;
@@ -257,7 +250,7 @@ void ipv6_local_error(struct sock *sk, int err, struct flowi *fl, u32 info)
skb_put(skb, sizeof(struct ipv6hdr));
skb_reset_network_header(skb);
iph = ipv6_hdr(skb);
- ipv6_addr_copy(&iph->daddr, &fl->fl6_dst);
+ ipv6_addr_copy(&iph->daddr, &fl6->daddr);
serr = SKB_EXT_ERR(skb);
serr->ee.ee_errno = err;
@@ -268,7 +261,7 @@ void ipv6_local_error(struct sock *sk, int err, struct flowi *fl, u32 info)
serr->ee.ee_info = info;
serr->ee.ee_data = 0;
serr->addr_offset = (u8 *)&iph->daddr - skb_network_header(skb);
- serr->port = fl->fl_ip_dport;
+ serr->port = fl6->fl6_dport;
__skb_pull(skb, skb_tail_pointer(skb) - skb->data);
skb_reset_transport_header(skb);
@@ -277,7 +270,7 @@ void ipv6_local_error(struct sock *sk, int err, struct flowi *fl, u32 info)
kfree_skb(skb);
}
-void ipv6_local_rxpmtu(struct sock *sk, struct flowi *fl, u32 mtu)
+void ipv6_local_rxpmtu(struct sock *sk, struct flowi6 *fl6, u32 mtu)
{
struct ipv6_pinfo *np = inet6_sk(sk);
struct ipv6hdr *iph;
@@ -294,7 +287,7 @@ void ipv6_local_rxpmtu(struct sock *sk, struct flowi *fl, u32 mtu)
skb_put(skb, sizeof(struct ipv6hdr));
skb_reset_network_header(skb);
iph = ipv6_hdr(skb);
- ipv6_addr_copy(&iph->daddr, &fl->fl6_dst);
+ ipv6_addr_copy(&iph->daddr, &fl6->daddr);
mtu_info = IP6CBMTU(skb);
if (!mtu_info) {
@@ -306,7 +299,7 @@ void ipv6_local_rxpmtu(struct sock *sk, struct flowi *fl, u32 mtu)
mtu_info->ip6m_addr.sin6_family = AF_INET6;
mtu_info->ip6m_addr.sin6_port = 0;
mtu_info->ip6m_addr.sin6_flowinfo = 0;
- mtu_info->ip6m_addr.sin6_scope_id = fl->oif;
+ mtu_info->ip6m_addr.sin6_scope_id = fl6->flowi6_oif;
ipv6_addr_copy(&mtu_info->ip6m_addr.sin6_addr, &ipv6_hdr(skb)->daddr);
__skb_pull(skb, skb_tail_pointer(skb) - skb->data);
@@ -600,7 +593,7 @@ int datagram_recv_ctl(struct sock *sk, struct msghdr *msg, struct sk_buff *skb)
}
int datagram_send_ctl(struct net *net,
- struct msghdr *msg, struct flowi *fl,
+ struct msghdr *msg, struct flowi6 *fl6,
struct ipv6_txoptions *opt,
int *hlimit, int *tclass, int *dontfrag)
{
@@ -636,16 +629,17 @@ int datagram_send_ctl(struct net *net,
src_info = (struct in6_pktinfo *)CMSG_DATA(cmsg);
if (src_info->ipi6_ifindex) {
- if (fl->oif && src_info->ipi6_ifindex != fl->oif)
+ if (fl6->flowi6_oif &&
+ src_info->ipi6_ifindex != fl6->flowi6_oif)
return -EINVAL;
- fl->oif = src_info->ipi6_ifindex;
+ fl6->flowi6_oif = src_info->ipi6_ifindex;
}
addr_type = __ipv6_addr_type(&src_info->ipi6_addr);
rcu_read_lock();
- if (fl->oif) {
- dev = dev_get_by_index_rcu(net, fl->oif);
+ if (fl6->flowi6_oif) {
+ dev = dev_get_by_index_rcu(net, fl6->flowi6_oif);
if (!dev) {
rcu_read_unlock();
return -ENODEV;
@@ -661,7 +655,7 @@ int datagram_send_ctl(struct net *net,
strict ? dev : NULL, 0))
err = -EINVAL;
else
- ipv6_addr_copy(&fl->fl6_src, &src_info->ipi6_addr);
+ ipv6_addr_copy(&fl6->saddr, &src_info->ipi6_addr);
}
rcu_read_unlock();
@@ -678,13 +672,13 @@ int datagram_send_ctl(struct net *net,
goto exit_f;
}
- if (fl->fl6_flowlabel&IPV6_FLOWINFO_MASK) {
- if ((fl->fl6_flowlabel^*(__be32 *)CMSG_DATA(cmsg))&~IPV6_FLOWINFO_MASK) {
+ if (fl6->flowlabel&IPV6_FLOWINFO_MASK) {
+ if ((fl6->flowlabel^*(__be32 *)CMSG_DATA(cmsg))&~IPV6_FLOWINFO_MASK) {
err = -EINVAL;
goto exit_f;
}
}
- fl->fl6_flowlabel = IPV6_FLOWINFO_MASK & *(__be32 *)CMSG_DATA(cmsg);
+ fl6->flowlabel = IPV6_FLOWINFO_MASK & *(__be32 *)CMSG_DATA(cmsg);
break;
case IPV6_2292HOPOPTS:
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-17 10:43:40 +0000