]> Pileus Git - ~andy/linux/blobdiff - net/ipv6/tcp_ipv6.c
tcp_memcontrol: Remove the per netns control.
[~andy/linux] / net / ipv6 / tcp_ipv6.c
index 5c71501fc917d6271f72cea50cb98b9ad783f1c4..0740f93a114a26ac09150638576f523bcd53694c 100644 (file)
@@ -192,13 +192,13 @@ static int tcp_v6_connect(struct sock *sk, struct sockaddr *uaddr,
        }
 
        if (tp->rx_opt.ts_recent_stamp &&
-           !ipv6_addr_equal(&np->daddr, &usin->sin6_addr)) {
+           !ipv6_addr_equal(&sk->sk_v6_daddr, &usin->sin6_addr)) {
                tp->rx_opt.ts_recent = 0;
                tp->rx_opt.ts_recent_stamp = 0;
                tp->write_seq = 0;
        }
 
-       np->daddr = usin->sin6_addr;
+       sk->sk_v6_daddr = usin->sin6_addr;
        np->flow_label = fl6.flowlabel;
 
        /*
@@ -237,17 +237,17 @@ static int tcp_v6_connect(struct sock *sk, struct sockaddr *uaddr,
                } else {
                        ipv6_addr_set_v4mapped(inet->inet_saddr, &np->saddr);
                        ipv6_addr_set_v4mapped(inet->inet_rcv_saddr,
-                                              &np->rcv_saddr);
+                                              &sk->sk_v6_rcv_saddr);
                }
 
                return err;
        }
 
-       if (!ipv6_addr_any(&np->rcv_saddr))
-               saddr = &np->rcv_saddr;
+       if (!ipv6_addr_any(&sk->sk_v6_rcv_saddr))
+               saddr = &sk->sk_v6_rcv_saddr;
 
        fl6.flowi6_proto = IPPROTO_TCP;
-       fl6.daddr = np->daddr;
+       fl6.daddr = sk->sk_v6_daddr;
        fl6.saddr = saddr ? *saddr : np->saddr;
        fl6.flowi6_oif = sk->sk_bound_dev_if;
        fl6.flowi6_mark = sk->sk_mark;
@@ -266,7 +266,7 @@ static int tcp_v6_connect(struct sock *sk, struct sockaddr *uaddr,
 
        if (saddr == NULL) {
                saddr = &fl6.saddr;
-               np->rcv_saddr = *saddr;
+               sk->sk_v6_rcv_saddr = *saddr;
        }
 
        /* set the source address */
@@ -279,7 +279,7 @@ static int tcp_v6_connect(struct sock *sk, struct sockaddr *uaddr,
        rt = (struct rt6_info *) dst;
        if (tcp_death_row.sysctl_tw_recycle &&
            !tp->rx_opt.ts_recent_stamp &&
-           ipv6_addr_equal(&rt->rt6i_dst.addr, &np->daddr))
+           ipv6_addr_equal(&rt->rt6i_dst.addr, &sk->sk_v6_daddr))
                tcp_fetch_timewait_stamp(sk, dst);
 
        icsk->icsk_ext_hdr_len = 0;
@@ -298,7 +298,7 @@ static int tcp_v6_connect(struct sock *sk, struct sockaddr *uaddr,
 
        if (!tp->write_seq && likely(!tp->repair))
                tp->write_seq = secure_tcpv6_sequence_number(np->saddr.s6_addr32,
-                                                            np->daddr.s6_addr32,
+                                                            sk->sk_v6_daddr.s6_addr32,
                                                             inet->inet_sport,
                                                             inet->inet_dport);
 
@@ -465,7 +465,7 @@ static int tcp_v6_send_synack(struct sock *sk, struct dst_entry *dst,
                              struct request_sock *req,
                              u16 queue_mapping)
 {
-       struct inet6_request_sock *treq = inet6_rsk(req);
+       struct inet_request_sock *ireq = inet_rsk(req);
        struct ipv6_pinfo *np = inet6_sk(sk);
        struct sk_buff * skb;
        int err = -ENOMEM;
@@ -477,9 +477,10 @@ static int tcp_v6_send_synack(struct sock *sk, struct dst_entry *dst,
        skb = tcp_make_synack(sk, dst, req, NULL);
 
        if (skb) {
-               __tcp_v6_send_check(skb, &treq->loc_addr, &treq->rmt_addr);
+               __tcp_v6_send_check(skb, &ireq->ir_v6_loc_addr,
+                                   &ireq->ir_v6_rmt_addr);
 
-               fl6->daddr = treq->rmt_addr;
+               fl6->daddr = ireq->ir_v6_rmt_addr;
                skb_set_queue_mapping(skb, queue_mapping);
                err = ip6_xmit(sk, skb, fl6, np->opt, np->tclass);
                err = net_xmit_eval(err);
@@ -502,7 +503,7 @@ static int tcp_v6_rtx_synack(struct sock *sk, struct request_sock *req)
 
 static void tcp_v6_reqsk_destructor(struct request_sock *req)
 {
-       kfree_skb(inet6_rsk(req)->pktopts);
+       kfree_skb(inet_rsk(req)->pktopts);
 }
 
 #ifdef CONFIG_TCP_MD5SIG
@@ -515,13 +516,13 @@ static struct tcp_md5sig_key *tcp_v6_md5_do_lookup(struct sock *sk,
 static struct tcp_md5sig_key *tcp_v6_md5_lookup(struct sock *sk,
                                                struct sock *addr_sk)
 {
-       return tcp_v6_md5_do_lookup(sk, &inet6_sk(addr_sk)->daddr);
+       return tcp_v6_md5_do_lookup(sk, &addr_sk->sk_v6_daddr);
 }
 
 static struct tcp_md5sig_key *tcp_v6_reqsk_md5_lookup(struct sock *sk,
                                                      struct request_sock *req)
 {
-       return tcp_v6_md5_do_lookup(sk, &inet6_rsk(req)->rmt_addr);
+       return tcp_v6_md5_do_lookup(sk, &inet_rsk(req)->ir_v6_rmt_addr);
 }
 
 static int tcp_v6_parse_md5_keys (struct sock *sk, char __user *optval,
@@ -621,10 +622,10 @@ static int tcp_v6_md5_hash_skb(char *md5_hash, struct tcp_md5sig_key *key,
 
        if (sk) {
                saddr = &inet6_sk(sk)->saddr;
-               daddr = &inet6_sk(sk)->daddr;
+               daddr = &sk->sk_v6_daddr;
        } else if (req) {
-               saddr = &inet6_rsk(req)->loc_addr;
-               daddr = &inet6_rsk(req)->rmt_addr;
+               saddr = &inet_rsk(req)->ir_v6_loc_addr;
+               daddr = &inet_rsk(req)->ir_v6_rmt_addr;
        } else {
                const struct ipv6hdr *ip6h = ipv6_hdr(skb);
                saddr = &ip6h->saddr;
@@ -949,7 +950,7 @@ static int tcp_v6_conn_request(struct sock *sk, struct sk_buff *skb)
 {
        struct tcp_options_received tmp_opt;
        struct request_sock *req;
-       struct inet6_request_sock *treq;
+       struct inet_request_sock *ireq;
        struct ipv6_pinfo *np = inet6_sk(sk);
        struct tcp_sock *tp = tcp_sk(sk);
        __u32 isn = TCP_SKB_CB(skb)->when;
@@ -994,25 +995,25 @@ static int tcp_v6_conn_request(struct sock *sk, struct sk_buff *skb)
        tmp_opt.tstamp_ok = tmp_opt.saw_tstamp;
        tcp_openreq_init(req, &tmp_opt, skb);
 
-       treq = inet6_rsk(req);
-       treq->rmt_addr = ipv6_hdr(skb)->saddr;
-       treq->loc_addr = ipv6_hdr(skb)->daddr;
+       ireq = inet_rsk(req);
+       ireq->ir_v6_rmt_addr = ipv6_hdr(skb)->saddr;
+       ireq->ir_v6_loc_addr = ipv6_hdr(skb)->daddr;
        if (!want_cookie || tmp_opt.tstamp_ok)
                TCP_ECN_create_request(req, skb, sock_net(sk));
 
-       treq->iif = sk->sk_bound_dev_if;
+       ireq->ir_iif = sk->sk_bound_dev_if;
 
        /* So that link locals have meaning */
        if (!sk->sk_bound_dev_if &&
-           ipv6_addr_type(&treq->rmt_addr) & IPV6_ADDR_LINKLOCAL)
-               treq->iif = inet6_iif(skb);
+           ipv6_addr_type(&ireq->ir_v6_rmt_addr) & IPV6_ADDR_LINKLOCAL)
+               ireq->ir_iif = inet6_iif(skb);
 
        if (!isn) {
                if (ipv6_opt_accepted(sk, skb) ||
                    np->rxopt.bits.rxinfo || np->rxopt.bits.rxoinfo ||
                    np->rxopt.bits.rxhlim || np->rxopt.bits.rxohlim) {
                        atomic_inc(&skb->users);
-                       treq->pktopts = skb;
+                       ireq->pktopts = skb;
                }
 
                if (want_cookie) {
@@ -1051,7 +1052,7 @@ static int tcp_v6_conn_request(struct sock *sk, struct sk_buff *skb)
                         * to the moment of synflood.
                         */
                        LIMIT_NETDEBUG(KERN_DEBUG "TCP: drop open request from %pI6/%u\n",
-                                      &treq->rmt_addr, ntohs(tcp_hdr(skb)->source));
+                                      &ireq->ir_v6_rmt_addr, ntohs(tcp_hdr(skb)->source));
                        goto drop_and_release;
                }
 
@@ -1086,7 +1087,7 @@ static struct sock * tcp_v6_syn_recv_sock(struct sock *sk, struct sk_buff *skb,
                                          struct request_sock *req,
                                          struct dst_entry *dst)
 {
-       struct inet6_request_sock *treq;
+       struct inet_request_sock *ireq;
        struct ipv6_pinfo *newnp, *np = inet6_sk(sk);
        struct tcp6_sock *newtcp6sk;
        struct inet_sock *newinet;
@@ -1116,11 +1117,11 @@ static struct sock * tcp_v6_syn_recv_sock(struct sock *sk, struct sk_buff *skb,
 
                memcpy(newnp, np, sizeof(struct ipv6_pinfo));
 
-               ipv6_addr_set_v4mapped(newinet->inet_daddr, &newnp->daddr);
+               ipv6_addr_set_v4mapped(newinet->inet_daddr, &newsk->sk_v6_daddr);
 
                ipv6_addr_set_v4mapped(newinet->inet_saddr, &newnp->saddr);
 
-               newnp->rcv_saddr = newnp->saddr;
+               newsk->sk_v6_rcv_saddr = newnp->saddr;
 
                inet_csk(newsk)->icsk_af_ops = &ipv6_mapped;
                newsk->sk_backlog_rcv = tcp_v4_do_rcv;
@@ -1151,7 +1152,7 @@ static struct sock * tcp_v6_syn_recv_sock(struct sock *sk, struct sk_buff *skb,
                return newsk;
        }
 
-       treq = inet6_rsk(req);
+       ireq = inet_rsk(req);
 
        if (sk_acceptq_is_full(sk))
                goto out_overflow;
@@ -1185,10 +1186,10 @@ static struct sock * tcp_v6_syn_recv_sock(struct sock *sk, struct sk_buff *skb,
 
        memcpy(newnp, np, sizeof(struct ipv6_pinfo));
 
-       newnp->daddr = treq->rmt_addr;
-       newnp->saddr = treq->loc_addr;
-       newnp->rcv_saddr = treq->loc_addr;
-       newsk->sk_bound_dev_if = treq->iif;
+       newsk->sk_v6_daddr = ireq->ir_v6_rmt_addr;
+       newnp->saddr = ireq->ir_v6_loc_addr;
+       newsk->sk_v6_rcv_saddr = ireq->ir_v6_loc_addr;
+       newsk->sk_bound_dev_if = ireq->ir_iif;
 
        /* Now IPv6 options...
 
@@ -1203,11 +1204,11 @@ static struct sock * tcp_v6_syn_recv_sock(struct sock *sk, struct sk_buff *skb,
 
        /* Clone pktoptions received with SYN */
        newnp->pktoptions = NULL;
-       if (treq->pktopts != NULL) {
-               newnp->pktoptions = skb_clone(treq->pktopts,
+       if (ireq->pktopts != NULL) {
+               newnp->pktoptions = skb_clone(ireq->pktopts,
                                              sk_gfp_atomic(sk, GFP_ATOMIC));
-               consume_skb(treq->pktopts);
-               treq->pktopts = NULL;
+               consume_skb(ireq->pktopts);
+               ireq->pktopts = NULL;
                if (newnp->pktoptions)
                        skb_set_owner_r(newnp->pktoptions, newsk);
        }
@@ -1244,13 +1245,13 @@ static struct sock * tcp_v6_syn_recv_sock(struct sock *sk, struct sk_buff *skb,
 
 #ifdef CONFIG_TCP_MD5SIG
        /* Copy over the MD5 key from the original socket */
-       if ((key = tcp_v6_md5_do_lookup(sk, &newnp->daddr)) != NULL) {
+       if ((key = tcp_v6_md5_do_lookup(sk, &newsk->sk_v6_daddr)) != NULL) {
                /* We're using one, so create a matching key
                 * on the newsk structure. If we fail to get
                 * memory, then we end up not copying the key
                 * across. Shucks.
                 */
-               tcp_md5_do_add(newsk, (union tcp_md5_addr *)&newnp->daddr,
+               tcp_md5_do_add(newsk, (union tcp_md5_addr *)&newsk->sk_v6_daddr,
                               AF_INET6, key->key, key->keylen,
                               sk_gfp_atomic(sk, GFP_ATOMIC));
        }
@@ -1722,8 +1723,8 @@ static void get_openreq6(struct seq_file *seq,
                         const struct sock *sk, struct request_sock *req, int i, kuid_t uid)
 {
        int ttd = req->expires - jiffies;
-       const struct in6_addr *src = &inet6_rsk(req)->loc_addr;
-       const struct in6_addr *dest = &inet6_rsk(req)->rmt_addr;
+       const struct in6_addr *src = &inet_rsk(req)->ir_v6_loc_addr;
+       const struct in6_addr *dest = &inet_rsk(req)->ir_v6_rmt_addr;
 
        if (ttd < 0)
                ttd = 0;
@@ -1734,10 +1735,10 @@ static void get_openreq6(struct seq_file *seq,
                   i,
                   src->s6_addr32[0], src->s6_addr32[1],
                   src->s6_addr32[2], src->s6_addr32[3],
-                  ntohs(inet_rsk(req)->loc_port),
+                  inet_rsk(req)->ir_num,
                   dest->s6_addr32[0], dest->s6_addr32[1],
                   dest->s6_addr32[2], dest->s6_addr32[3],
-                  ntohs(inet_rsk(req)->rmt_port),
+                  ntohs(inet_rsk(req)->ir_rmt_port),
                   TCP_SYN_RECV,
                   0,0, /* could print option size, but that is af dependent. */
                   1,   /* timers active (only the expire timer) */
@@ -1758,10 +1759,9 @@ static void get_tcp6_sock(struct seq_file *seq, struct sock *sp, int i)
        const struct inet_sock *inet = inet_sk(sp);
        const struct tcp_sock *tp = tcp_sk(sp);
        const struct inet_connection_sock *icsk = inet_csk(sp);
-       const struct ipv6_pinfo *np = inet6_sk(sp);
 
-       dest  = &np->daddr;
-       src   = &np->rcv_saddr;
+       dest  = &sp->sk_v6_daddr;
+       src   = &sp->sk_v6_rcv_saddr;
        destp = ntohs(inet->inet_dport);
        srcp  = ntohs(inet->inet_sport);
 
@@ -1810,11 +1810,10 @@ static void get_timewait6_sock(struct seq_file *seq,
 {
        const struct in6_addr *dest, *src;
        __u16 destp, srcp;
-       const struct inet6_timewait_sock *tw6 = inet6_twsk((struct sock *)tw);
-       long delta = tw->tw_ttd - jiffies;
+       s32 delta = tw->tw_ttd - inet_tw_time_stamp();
 
-       dest = &tw6->tw_v6_daddr;
-       src  = &tw6->tw_v6_rcv_saddr;
+       dest = &tw->tw_v6_daddr;
+       src  = &tw->tw_v6_rcv_saddr;
        destp = ntohs(tw->tw_dport);
        srcp  = ntohs(tw->tw_sport);
 
@@ -1834,6 +1833,7 @@ static void get_timewait6_sock(struct seq_file *seq,
 static int tcp6_seq_show(struct seq_file *seq, void *v)
 {
        struct tcp_iter_state *st;
+       struct sock *sk = v;
 
        if (v == SEQ_START_TOKEN) {
                seq_puts(seq,
@@ -1849,14 +1849,14 @@ static int tcp6_seq_show(struct seq_file *seq, void *v)
        switch (st->state) {
        case TCP_SEQ_STATE_LISTENING:
        case TCP_SEQ_STATE_ESTABLISHED:
-               get_tcp6_sock(seq, v, st->num);
+               if (sk->sk_state == TCP_TIME_WAIT)
+                       get_timewait6_sock(seq, v, st->num);
+               else
+                       get_tcp6_sock(seq, v, st->num);
                break;
        case TCP_SEQ_STATE_OPENREQ:
                get_openreq6(seq, st->syn_wait_sk, v, st->num, st->uid);
                break;
-       case TCP_SEQ_STATE_TIME_WAIT:
-               get_timewait6_sock(seq, v, st->num);
-               break;
        }
 out:
        return 0;
@@ -1929,6 +1929,7 @@ struct proto tcpv6_prot = {
        .memory_allocated       = &tcp_memory_allocated,
        .memory_pressure        = &tcp_memory_pressure,
        .orphan_count           = &tcp_orphan_count,
+       .sysctl_mem             = sysctl_tcp_mem,
        .sysctl_wmem            = sysctl_tcp_wmem,
        .sysctl_rmem            = sysctl_tcp_rmem,
        .max_header             = MAX_TCP_HEADER,