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path: root/net/ipv6/tcp_ipv6.c
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Diffstat (limited to 'net/ipv6/tcp_ipv6.c')
-rw-r--r--net/ipv6/tcp_ipv6.c181
1 files changed, 99 insertions, 82 deletions
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index 5c71501fc917..889079b2ea85 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -156,7 +156,6 @@ static int tcp_v6_connect(struct sock *sk, struct sockaddr *uaddr,
flowlabel = fl6_sock_lookup(sk, fl6.flowlabel);
if (flowlabel == NULL)
return -EINVAL;
- usin->sin6_addr = flowlabel->dst;
fl6_sock_release(flowlabel);
}
}
@@ -165,12 +164,12 @@ static int tcp_v6_connect(struct sock *sk, struct sockaddr *uaddr,
* connect() to INADDR_ANY means loopback (BSD'ism).
*/
- if(ipv6_addr_any(&usin->sin6_addr))
+ if (ipv6_addr_any(&usin->sin6_addr))
usin->sin6_addr.s6_addr[15] = 0x1;
addr_type = ipv6_addr_type(&usin->sin6_addr);
- if(addr_type & IPV6_ADDR_MULTICAST)
+ if (addr_type & IPV6_ADDR_MULTICAST)
return -ENETUNREACH;
if (addr_type&IPV6_ADDR_LINKLOCAL) {
@@ -192,13 +191,13 @@ 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 +236,17 @@ 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;
@@ -258,7 +257,7 @@ static int tcp_v6_connect(struct sock *sk, struct sockaddr *uaddr,
security_sk_classify_flow(sk, flowi6_to_flowi(&fl6));
- dst = ip6_dst_lookup_flow(sk, &fl6, final_p, true);
+ dst = ip6_dst_lookup_flow(sk, &fl6, final_p);
if (IS_ERR(dst)) {
err = PTR_ERR(dst);
goto failure;
@@ -266,7 +265,7 @@ 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 +278,7 @@ 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 +297,7 @@ 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);
@@ -337,7 +336,7 @@ static void tcp_v6_mtu_reduced(struct sock *sk)
static void tcp_v6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
u8 type, u8 code, int offset, __be32 info)
{
- const struct ipv6hdr *hdr = (const struct ipv6hdr*)skb->data;
+ const struct ipv6hdr *hdr = (const struct ipv6hdr *)skb->data;
const struct tcphdr *th = (struct tcphdr *)(skb->data+offset);
struct ipv6_pinfo *np;
struct sock *sk;
@@ -398,6 +397,9 @@ static void tcp_v6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
if (sk->sk_state == TCP_LISTEN)
goto out;
+ if (!ip6_sk_accept_pmtu(sk))
+ goto out;
+
tp->mtu_info = ntohl(info);
if (!sock_owned_by_user(sk))
tcp_v6_mtu_reduced(sk);
@@ -465,9 +467,9 @@ 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;
+ struct sk_buff *skb;
int err = -ENOMEM;
/* First, grab a route. */
@@ -477,9 +479,13 @@ 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 = ireq->ir_v6_rmt_addr;
+ if (np->repflow && (ireq->pktopts != NULL))
+ fl6->flowlabel = ip6_flowlabel(ipv6_hdr(ireq->pktopts));
- fl6->daddr = treq->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 +508,7 @@ 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 +521,13 @@ 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 +627,10 @@ 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;
@@ -721,7 +727,8 @@ static const struct tcp_request_sock_ops tcp_request_sock_ipv6_ops = {
static void tcp_v6_send_response(struct sk_buff *skb, u32 seq, u32 ack, u32 win,
u32 tsval, u32 tsecr,
- struct tcp_md5sig_key *key, int rst, u8 tclass)
+ struct tcp_md5sig_key *key, int rst, u8 tclass,
+ u32 label)
{
const struct tcphdr *th = tcp_hdr(skb);
struct tcphdr *t1;
@@ -783,6 +790,7 @@ static void tcp_v6_send_response(struct sk_buff *skb, u32 seq, u32 ack, u32 win,
memset(&fl6, 0, sizeof(fl6));
fl6.daddr = ipv6_hdr(skb)->saddr;
fl6.saddr = ipv6_hdr(skb)->daddr;
+ fl6.flowlabel = label;
buff->ip_summed = CHECKSUM_PARTIAL;
buff->csum = 0;
@@ -800,7 +808,7 @@ static void tcp_v6_send_response(struct sk_buff *skb, u32 seq, u32 ack, u32 win,
* Underlying function will use this to retrieve the network
* namespace
*/
- dst = ip6_dst_lookup_flow(ctl_sk, &fl6, NULL, false);
+ dst = ip6_dst_lookup_flow(ctl_sk, &fl6, NULL);
if (!IS_ERR(dst)) {
skb_dst_set(buff, dst);
ip6_xmit(ctl_sk, buff, &fl6, NULL, tclass);
@@ -868,7 +876,7 @@ static void tcp_v6_send_reset(struct sock *sk, struct sk_buff *skb)
ack_seq = ntohl(th->seq) + th->syn + th->fin + skb->len -
(th->doff << 2);
- tcp_v6_send_response(skb, seq, ack_seq, 0, 0, 0, key, 1, 0);
+ tcp_v6_send_response(skb, seq, ack_seq, 0, 0, 0, key, 1, 0, 0);
#ifdef CONFIG_TCP_MD5SIG
release_sk1:
@@ -881,9 +889,11 @@ release_sk1:
static void tcp_v6_send_ack(struct sk_buff *skb, u32 seq, u32 ack,
u32 win, u32 tsval, u32 tsecr,
- struct tcp_md5sig_key *key, u8 tclass)
+ struct tcp_md5sig_key *key, u8 tclass,
+ u32 label)
{
- tcp_v6_send_response(skb, seq, ack, win, tsval, tsecr, key, 0, tclass);
+ tcp_v6_send_response(skb, seq, ack, win, tsval, tsecr, key, 0, tclass,
+ label);
}
static void tcp_v6_timewait_ack(struct sock *sk, struct sk_buff *skb)
@@ -895,7 +905,7 @@ static void tcp_v6_timewait_ack(struct sock *sk, struct sk_buff *skb)
tcptw->tw_rcv_wnd >> tw->tw_rcv_wscale,
tcp_time_stamp + tcptw->tw_ts_offset,
tcptw->tw_ts_recent, tcp_twsk_md5_key(tcptw),
- tw->tw_tclass);
+ tw->tw_tclass, (tw->tw_flowlabel << 12));
inet_twsk_put(tw);
}
@@ -905,11 +915,12 @@ static void tcp_v6_reqsk_send_ack(struct sock *sk, struct sk_buff *skb,
{
tcp_v6_send_ack(skb, tcp_rsk(req)->snt_isn + 1, tcp_rsk(req)->rcv_isn + 1,
req->rcv_wnd, tcp_time_stamp, req->ts_recent,
- tcp_v6_md5_do_lookup(sk, &ipv6_hdr(skb)->daddr), 0);
+ tcp_v6_md5_do_lookup(sk, &ipv6_hdr(skb)->daddr),
+ 0, 0);
}
-static struct sock *tcp_v6_hnd_req(struct sock *sk,struct sk_buff *skb)
+static struct sock *tcp_v6_hnd_req(struct sock *sk, struct sk_buff *skb)
{
struct request_sock *req, **prev;
const struct tcphdr *th = tcp_hdr(skb);
@@ -949,7 +960,7 @@ 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 +1005,26 @@ 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) {
+ np->rxopt.bits.rxhlim || np->rxopt.bits.rxohlim ||
+ np->repflow) {
atomic_inc(&skb->users);
- treq->pktopts = skb;
+ ireq->pktopts = skb;
}
if (want_cookie) {
@@ -1051,7 +1063,7 @@ 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;
}
@@ -1082,11 +1094,11 @@ drop:
return 0; /* don't send reset */
}
-static struct sock * tcp_v6_syn_recv_sock(struct sock *sk, struct sk_buff *skb,
- struct request_sock *req,
- struct dst_entry *dst)
+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 +1128,11 @@ 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;
@@ -1134,7 +1146,9 @@ static struct sock * tcp_v6_syn_recv_sock(struct sock *sk, struct sk_buff *skb,
newnp->opt = NULL;
newnp->mcast_oif = inet6_iif(skb);
newnp->mcast_hops = ipv6_hdr(skb)->hop_limit;
- newnp->rcv_tclass = ipv6_get_dsfield(ipv6_hdr(skb));
+ newnp->rcv_flowinfo = ip6_flowinfo(ipv6_hdr(skb));
+ if (np->repflow)
+ newnp->flow_label = ip6_flowlabel(ipv6_hdr(skb));
/*
* No need to charge this sock to the relevant IPv6 refcnt debug socks count
@@ -1151,7 +1165,7 @@ 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 +1199,10 @@ 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...
@@ -1203,18 +1217,20 @@ 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);
}
newnp->opt = NULL;
newnp->mcast_oif = inet6_iif(skb);
newnp->mcast_hops = ipv6_hdr(skb)->hop_limit;
- newnp->rcv_tclass = ipv6_get_dsfield(ipv6_hdr(skb));
+ newnp->rcv_flowinfo = ip6_flowinfo(ipv6_hdr(skb));
+ if (np->repflow)
+ newnp->flow_label = ip6_flowlabel(ipv6_hdr(skb));
/* Clone native IPv6 options from listening socket (if any)
@@ -1230,7 +1246,6 @@ static struct sock * tcp_v6_syn_recv_sock(struct sock *sk, struct sk_buff *skb,
inet_csk(newsk)->icsk_ext_hdr_len = (newnp->opt->opt_nflen +
newnp->opt->opt_flen);
- tcp_mtup_init(newsk);
tcp_sync_mss(newsk, dst_mtu(dst));
newtp->advmss = dst_metric_advmss(dst);
if (tcp_sk(sk)->rx_opt.user_mss &&
@@ -1244,13 +1259,13 @@ 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));
}
@@ -1379,7 +1394,7 @@ static int tcp_v6_do_rcv(struct sock *sk, struct sk_buff *skb)
* otherwise we just shortcircuit this and continue with
* the new socket..
*/
- if(nsk != sk) {
+ if (nsk != sk) {
sock_rps_save_rxhash(nsk, skb);
if (tcp_child_process(sk, nsk, skb))
goto reset;
@@ -1424,8 +1439,10 @@ ipv6_pktoptions:
np->mcast_oif = inet6_iif(opt_skb);
if (np->rxopt.bits.rxhlim || np->rxopt.bits.rxohlim)
np->mcast_hops = ipv6_hdr(opt_skb)->hop_limit;
- if (np->rxopt.bits.rxtclass)
- np->rcv_tclass = ipv6_get_dsfield(ipv6_hdr(opt_skb));
+ if (np->rxopt.bits.rxflow || np->rxopt.bits.rxtclass)
+ np->rcv_flowinfo = ip6_flowinfo(ipv6_hdr(opt_skb));
+ if (np->repflow)
+ np->flow_label = ip6_flowlabel(ipv6_hdr(opt_skb));
if (ipv6_opt_accepted(sk, opt_skb)) {
skb_set_owner_r(opt_skb, sk);
opt_skb = xchg(&np->pktoptions, opt_skb);
@@ -1722,8 +1739,8 @@ 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;
@@ -1734,12 +1751,12 @@ 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. */
+ 0, 0, /* could print option size, but that is af dependent. */
1, /* timers active (only the expire timer) */
jiffies_to_clock_t(ttd),
req->num_timeout,
@@ -1758,10 +1775,9 @@ 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);
@@ -1799,7 +1815,7 @@ static void get_tcp6_sock(struct seq_file *seq, struct sock *sp, int i)
atomic_read(&sp->sk_refcnt), sp,
jiffies_to_clock_t(icsk->icsk_rto),
jiffies_to_clock_t(icsk->icsk_ack.ato),
- (icsk->icsk_ack.quick << 1 ) | icsk->icsk_ack.pingpong,
+ (icsk->icsk_ack.quick << 1) | icsk->icsk_ack.pingpong,
tp->snd_cwnd,
tcp_in_initial_slowstart(tp) ? -1 : tp->snd_ssthresh
);
@@ -1810,11 +1826,10 @@ 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 +1849,7 @@ 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 +1865,14 @@ 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 +1945,7 @@ 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,
generated by cgit v1.2.3 (git 2.0.4) at 2025-09-08 11:40:09 +0000