struct tcp_sock *tp = tcp_sk(sk);
struct in6_addr *saddr = NULL, *final_p, final;
struct rt6_info *rt;
- struct flowi fl;
+ struct flowi6 fl6;
struct dst_entry *dst;
int addr_type;
int err;
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;
- IP6_ECN_flow_init(fl.fl6_flowlabel);
- if (fl.fl6_flowlabel&IPV6_FLOWLABEL_MASK) {
+ fl6.flowlabel = usin->sin6_flowinfo&IPV6_FLOWINFO_MASK;
+ IP6_ECN_flow_init(fl6.flowlabel);
+ if (fl6.flowlabel&IPV6_FLOWLABEL_MASK) {
struct ip6_flowlabel *flowlabel;
- flowlabel = fl6_sock_lookup(sk, fl.fl6_flowlabel);
+ flowlabel = fl6_sock_lookup(sk, fl6.flowlabel);
if (flowlabel == NULL)
return -EINVAL;
ipv6_addr_copy(&usin->sin6_addr, &flowlabel->dst);
}
ipv6_addr_copy(&np->daddr, &usin->sin6_addr);
- np->flow_label = fl.fl6_flowlabel;
+ np->flow_label = fl6.flowlabel;
/*
* TCP over IPv4
if (!ipv6_addr_any(&np->rcv_saddr))
saddr = &np->rcv_saddr;
- fl.proto = IPPROTO_TCP;
- ipv6_addr_copy(&fl.fl6_dst, &np->daddr);
- ipv6_addr_copy(&fl.fl6_src,
+ fl6.flowi6_proto = IPPROTO_TCP;
+ ipv6_addr_copy(&fl6.daddr, &np->daddr);
+ ipv6_addr_copy(&fl6.saddr,
(saddr ? saddr : &np->saddr));
- fl.oif = sk->sk_bound_dev_if;
- fl.mark = sk->sk_mark;
- fl.fl_ip_dport = usin->sin6_port;
- fl.fl_ip_sport = inet->inet_sport;
+ fl6.flowi6_oif = sk->sk_bound_dev_if;
+ fl6.flowi6_mark = sk->sk_mark;
+ fl6.fl6_dport = usin->sin6_port;
+ fl6.fl6_sport = inet->inet_sport;
- final_p = fl6_update_dst(&fl, np->opt, &final);
+ final_p = fl6_update_dst(&fl6, np->opt, &final);
- security_sk_classify_flow(sk, &fl);
+ security_sk_classify_flow(sk, flowi6_to_flowi(&fl6));
- err = ip6_dst_lookup(sk, &dst, &fl);
- if (err)
+ dst = ip6_dst_lookup_flow(sk, &fl6, final_p, true);
+ if (IS_ERR(dst)) {
+ err = PTR_ERR(dst);
goto failure;
- 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 failure;
}
if (saddr == NULL) {
- saddr = &fl.fl6_src;
+ saddr = &fl6.saddr;
ipv6_addr_copy(&np->rcv_saddr, saddr);
}
np = inet6_sk(sk);
if (type == ICMPV6_PKT_TOOBIG) {
- struct dst_entry *dst = NULL;
+ struct dst_entry *dst;
if (sock_owned_by_user(sk))
goto out;
if (dst == NULL) {
struct inet_sock *inet = inet_sk(sk);
- struct flowi fl;
+ struct flowi6 fl6;
/* BUGGG_FUTURE: Again, it is not clear how
to handle rthdr case. Ignore this complexity
for now.
*/
- memset(&fl, 0, sizeof(fl));
- fl.proto = IPPROTO_TCP;
- 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;
- security_skb_classify_flow(skb, &fl);
-
- if ((err = ip6_dst_lookup(sk, &dst, &fl))) {
- sk->sk_err_soft = -err;
- goto out;
- }
-
- if ((err = xfrm_lookup(net, &dst, &fl, sk, 0)) < 0) {
- sk->sk_err_soft = -err;
+ memset(&fl6, 0, sizeof(fl6));
+ fl6.flowi6_proto = IPPROTO_TCP;
+ 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;
+ security_skb_classify_flow(skb, flowi6_to_flowi(&fl6));
+
+ dst = ip6_dst_lookup_flow(sk, &fl6, NULL, false);
+ if (IS_ERR(dst)) {
+ sk->sk_err_soft = -PTR_ERR(dst);
goto out;
}
struct sk_buff * skb;
struct ipv6_txoptions *opt = NULL;
struct in6_addr * final_p, final;
- struct flowi fl;
+ struct flowi6 fl6;
struct dst_entry *dst;
- int err = -1;
-
- memset(&fl, 0, sizeof(fl));
- fl.proto = IPPROTO_TCP;
- ipv6_addr_copy(&fl.fl6_dst, &treq->rmt_addr);
- ipv6_addr_copy(&fl.fl6_src, &treq->loc_addr);
- fl.fl6_flowlabel = 0;
- fl.oif = treq->iif;
- fl.mark = sk->sk_mark;
- fl.fl_ip_dport = inet_rsk(req)->rmt_port;
- fl.fl_ip_sport = inet_rsk(req)->loc_port;
- security_req_classify_flow(req, &fl);
+ int err;
+
+ memset(&fl6, 0, sizeof(fl6));
+ fl6.flowi6_proto = IPPROTO_TCP;
+ ipv6_addr_copy(&fl6.daddr, &treq->rmt_addr);
+ ipv6_addr_copy(&fl6.saddr, &treq->loc_addr);
+ fl6.flowlabel = 0;
+ fl6.flowi6_oif = treq->iif;
+ fl6.flowi6_mark = sk->sk_mark;
+ fl6.fl6_dport = inet_rsk(req)->rmt_port;
+ fl6.fl6_sport = inet_rsk(req)->loc_port;
+ security_req_classify_flow(req, flowi6_to_flowi(&fl6));
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)
- goto done;
- if (final_p)
- ipv6_addr_copy(&fl.fl6_dst, final_p);
- if ((err = xfrm_lookup(sock_net(sk), &dst, &fl, sk, 0)) < 0)
+ dst = ip6_dst_lookup_flow(sk, &fl6, final_p, false);
+ if (IS_ERR(dst)) {
+ err = PTR_ERR(dst);
goto done;
-
+ }
skb = tcp_make_synack(sk, dst, req, rvp);
+ err = -ENOMEM;
if (skb) {
__tcp_v6_send_check(skb, &treq->loc_addr, &treq->rmt_addr);
- ipv6_addr_copy(&fl.fl6_dst, &treq->rmt_addr);
- err = ip6_xmit(sk, skb, &fl, opt);
+ ipv6_addr_copy(&fl6.daddr, &treq->rmt_addr);
+ err = ip6_xmit(sk, skb, &fl6, opt);
err = net_xmit_eval(err);
}
{
struct tcphdr *th = tcp_hdr(skb), *t1;
struct sk_buff *buff;
- struct flowi fl;
+ struct flowi6 fl6;
struct net *net = dev_net(skb_dst(skb)->dev);
struct sock *ctl_sk = net->ipv6.tcp_sk;
unsigned int tot_len = sizeof(struct tcphdr);
}
#endif
- memset(&fl, 0, sizeof(fl));
- ipv6_addr_copy(&fl.fl6_dst, &ipv6_hdr(skb)->saddr);
- ipv6_addr_copy(&fl.fl6_src, &ipv6_hdr(skb)->daddr);
+ memset(&fl6, 0, sizeof(fl6));
+ ipv6_addr_copy(&fl6.daddr, &ipv6_hdr(skb)->saddr);
+ ipv6_addr_copy(&fl6.saddr, &ipv6_hdr(skb)->daddr);
buff->ip_summed = CHECKSUM_PARTIAL;
buff->csum = 0;
- __tcp_v6_send_check(buff, &fl.fl6_src, &fl.fl6_dst);
+ __tcp_v6_send_check(buff, &fl6.saddr, &fl6.daddr);
- fl.proto = IPPROTO_TCP;
- fl.oif = inet6_iif(skb);
- fl.fl_ip_dport = t1->dest;
- fl.fl_ip_sport = t1->source;
- security_skb_classify_flow(skb, &fl);
+ fl6.flowi6_proto = IPPROTO_TCP;
+ fl6.flowi6_oif = inet6_iif(skb);
+ fl6.fl6_dport = t1->dest;
+ fl6.fl6_sport = t1->source;
+ security_skb_classify_flow(skb, flowi6_to_flowi(&fl6));
/* Pass a socket to ip6_dst_lookup either it is for RST
* Underlying function will use this to retrieve the network
* namespace
*/
- if (!ip6_dst_lookup(ctl_sk, &dst, &fl)) {
- if (xfrm_lookup(net, &dst, &fl, NULL, 0) >= 0) {
- skb_dst_set(buff, dst);
- ip6_xmit(ctl_sk, buff, &fl, NULL);
- TCP_INC_STATS_BH(net, TCP_MIB_OUTSEGS);
- if (rst)
- TCP_INC_STATS_BH(net, TCP_MIB_OUTRSTS);
- return;
- }
+ dst = ip6_dst_lookup_flow(ctl_sk, &fl6, NULL, false);
+ if (!IS_ERR(dst)) {
+ skb_dst_set(buff, dst);
+ ip6_xmit(ctl_sk, buff, &fl6, NULL);
+ TCP_INC_STATS_BH(net, TCP_MIB_OUTSEGS);
+ if (rst)
+ TCP_INC_STATS_BH(net, TCP_MIB_OUTRSTS);
+ return;
}
kfree_skb(buff);
opt_skb = skb_clone(skb, GFP_ATOMIC);
if (sk->sk_state == TCP_ESTABLISHED) { /* Fast path */
- TCP_CHECK_TIMER(sk);
if (tcp_rcv_established(sk, skb, tcp_hdr(skb), skb->len))
goto reset;
- TCP_CHECK_TIMER(sk);
if (opt_skb)
goto ipv6_pktoptions;
return 0;
}
}
- TCP_CHECK_TIMER(sk);
if (tcp_rcv_state_process(sk, skb, tcp_hdr(skb), skb->len))
goto reset;
- TCP_CHECK_TIMER(sk);
if (opt_skb)
goto ipv6_pktoptions;
return 0;
projects / cascardo / linux.git / blobdiff