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-rw-r--r--net/core/sock.c35
-rw-r--r--net/ipv4/tcp.c10
-rw-r--r--net/ipv4/tcp_diag.c10
-rw-r--r--net/ipv4/tcp_ipv4.c107
-rw-r--r--net/ipv4/tcp_minisocks.c142
-rw-r--r--net/ipv6/addrconf.c2
-rw-r--r--net/ipv6/tcp_ipv6.c100
7 files changed, 222 insertions, 184 deletions
diff --git a/net/core/sock.c b/net/core/sock.c
index a1a23be10aa3..aba31fedf2ac 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -1378,7 +1378,8 @@ static LIST_HEAD(proto_list);
int proto_register(struct proto *prot, int alloc_slab)
{
- char *request_sock_slab_name;
+ char *request_sock_slab_name = NULL;
+ char *timewait_sock_slab_name;
int rc = -ENOBUFS;
if (alloc_slab) {
@@ -1409,6 +1410,23 @@ int proto_register(struct proto *prot, int alloc_slab)
goto out_free_request_sock_slab_name;
}
}
+
+ if (prot->twsk_obj_size) {
+ static const char mask[] = "tw_sock_%s";
+
+ timewait_sock_slab_name = kmalloc(strlen(prot->name) + sizeof(mask) - 1, GFP_KERNEL);
+
+ if (timewait_sock_slab_name == NULL)
+ goto out_free_request_sock_slab;
+
+ sprintf(timewait_sock_slab_name, mask, prot->name);
+ prot->twsk_slab = kmem_cache_create(timewait_sock_slab_name,
+ prot->twsk_obj_size,
+ 0, SLAB_HWCACHE_ALIGN,
+ NULL, NULL);
+ if (prot->twsk_slab == NULL)
+ goto out_free_timewait_sock_slab_name;
+ }
}
write_lock(&proto_list_lock);
@@ -1417,6 +1435,13 @@ int proto_register(struct proto *prot, int alloc_slab)
rc = 0;
out:
return rc;
+out_free_timewait_sock_slab_name:
+ kfree(timewait_sock_slab_name);
+out_free_request_sock_slab:
+ if (prot->rsk_prot && prot->rsk_prot->slab) {
+ kmem_cache_destroy(prot->rsk_prot->slab);
+ prot->rsk_prot->slab = NULL;
+ }
out_free_request_sock_slab_name:
kfree(request_sock_slab_name);
out_free_sock_slab:
@@ -1444,6 +1469,14 @@ void proto_unregister(struct proto *prot)
prot->rsk_prot->slab = NULL;
}
+ if (prot->twsk_slab != NULL) {
+ const char *name = kmem_cache_name(prot->twsk_slab);
+
+ kmem_cache_destroy(prot->twsk_slab);
+ kfree(name);
+ prot->twsk_slab = NULL;
+ }
+
list_del(&prot->node);
write_unlock(&proto_list_lock);
}
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index 2f4b1a374bb7..f1a708bf7a97 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -271,8 +271,6 @@ int sysctl_tcp_fin_timeout = TCP_FIN_TIMEOUT;
DEFINE_SNMP_STAT(struct tcp_mib, tcp_statistics);
-kmem_cache_t *tcp_timewait_cachep;
-
atomic_t tcp_orphan_count = ATOMIC_INIT(0);
int sysctl_tcp_mem[3];
@@ -2264,13 +2262,6 @@ void __init tcp_init(void)
if (!tcp_hashinfo.bind_bucket_cachep)
panic("tcp_init: Cannot alloc tcp_bind_bucket cache.");
- tcp_timewait_cachep = kmem_cache_create("tcp_tw_bucket",
- sizeof(struct tcp_tw_bucket),
- 0, SLAB_HWCACHE_ALIGN,
- NULL, NULL);
- if (!tcp_timewait_cachep)
- panic("tcp_init: Cannot alloc tcp_tw_bucket cache.");
-
/* Size and allocate the main established and bind bucket
* hash tables.
*
@@ -2363,4 +2354,3 @@ EXPORT_SYMBOL(tcp_sendpage);
EXPORT_SYMBOL(tcp_setsockopt);
EXPORT_SYMBOL(tcp_shutdown);
EXPORT_SYMBOL(tcp_statistics);
-EXPORT_SYMBOL(tcp_timewait_cachep);
diff --git a/net/ipv4/tcp_diag.c b/net/ipv4/tcp_diag.c
index 1a89a03c449b..6f2d6f2276b9 100644
--- a/net/ipv4/tcp_diag.c
+++ b/net/ipv4/tcp_diag.c
@@ -81,7 +81,7 @@ static int tcpdiag_fill(struct sk_buff *skb, struct sock *sk,
r->id.tcpdiag_cookie[1] = (u32)(((unsigned long)sk >> 31) >> 1);
if (r->tcpdiag_state == TCP_TIME_WAIT) {
- struct tcp_tw_bucket *tw = (struct tcp_tw_bucket*)sk;
+ const struct inet_timewait_sock *tw = inet_twsk(sk);
long tmo = tw->tw_ttd - jiffies;
if (tmo < 0)
tmo = 0;
@@ -99,10 +99,12 @@ static int tcpdiag_fill(struct sk_buff *skb, struct sock *sk,
r->tcpdiag_inode = 0;
#ifdef CONFIG_IP_TCPDIAG_IPV6
if (r->tcpdiag_family == AF_INET6) {
+ const struct tcp6_timewait_sock *tcp6tw = tcp6_twsk(sk);
+
ipv6_addr_copy((struct in6_addr *)r->id.tcpdiag_src,
- &tw->tw_v6_rcv_saddr);
+ &tcp6tw->tw_v6_rcv_saddr);
ipv6_addr_copy((struct in6_addr *)r->id.tcpdiag_dst,
- &tw->tw_v6_daddr);
+ &tcp6tw->tw_v6_daddr);
}
#endif
nlh->nlmsg_len = skb->tail - b;
@@ -239,7 +241,7 @@ static int tcpdiag_get_exact(struct sk_buff *in_skb, const struct nlmsghdr *nlh)
out:
if (sk) {
if (sk->sk_state == TCP_TIME_WAIT)
- tcp_tw_put((struct tcp_tw_bucket*)sk);
+ inet_twsk_put((struct inet_timewait_sock *)sk);
else
sock_put(sk);
}
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index a678709b36f6..ce423e48ebe0 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -106,7 +106,7 @@ int sysctl_local_port_range[2] = { 1024, 4999 };
static inline int tcp_bind_conflict(struct sock *sk, struct inet_bind_bucket *tb)
{
- const u32 sk_rcv_saddr = tcp_v4_rcv_saddr(sk);
+ const u32 sk_rcv_saddr = inet_rcv_saddr(sk);
struct sock *sk2;
struct hlist_node *node;
int reuse = sk->sk_reuse;
@@ -119,7 +119,7 @@ static inline int tcp_bind_conflict(struct sock *sk, struct inet_bind_bucket *tb
sk->sk_bound_dev_if == sk2->sk_bound_dev_if)) {
if (!reuse || !sk2->sk_reuse ||
sk2->sk_state == TCP_LISTEN) {
- const u32 sk2_rcv_saddr = tcp_v4_rcv_saddr(sk2);
+ const u32 sk2_rcv_saddr = inet_rcv_saddr(sk2);
if (!sk2_rcv_saddr || !sk_rcv_saddr ||
sk2_rcv_saddr == sk_rcv_saddr)
break;
@@ -251,10 +251,10 @@ static inline struct sock *__tcp_v4_lookup_established(const u32 saddr,
const int dif)
{
struct inet_ehash_bucket *head;
- TCP_V4_ADDR_COOKIE(acookie, saddr, daddr)
- __u32 ports = TCP_COMBINED_PORTS(sport, hnum);
+ INET_ADDR_COOKIE(acookie, saddr, daddr)
+ const __u32 ports = INET_COMBINED_PORTS(sport, hnum);
struct sock *sk;
- struct hlist_node *node;
+ const struct hlist_node *node;
/* Optimize here for direct hit, only listening connections can
* have wildcards anyways.
*/
@@ -262,13 +262,13 @@ static inline struct sock *__tcp_v4_lookup_established(const u32 saddr,
head = &tcp_hashinfo.ehash[hash];
read_lock(&head->lock);
sk_for_each(sk, node, &head->chain) {
- if (TCP_IPV4_MATCH(sk, acookie, saddr, daddr, ports, dif))
+ if (INET_MATCH(sk, acookie, saddr, daddr, ports, dif))
goto hit; /* You sunk my battleship! */
}
/* Must check for a TIME_WAIT'er before going to listener hash. */
sk_for_each(sk, node, &(head + tcp_hashinfo.ehash_size)->chain) {
- if (TCP_IPV4_TW_MATCH(sk, acookie, saddr, daddr, ports, dif))
+ if (INET_TW_MATCH(sk, acookie, saddr, daddr, ports, dif))
goto hit;
}
sk = NULL;
@@ -313,27 +313,28 @@ static inline __u32 tcp_v4_init_sequence(struct sock *sk, struct sk_buff *skb)
/* called with local bh disabled */
static int __tcp_v4_check_established(struct sock *sk, __u16 lport,
- struct tcp_tw_bucket **twp)
+ struct inet_timewait_sock **twp)
{
struct inet_sock *inet = inet_sk(sk);
u32 daddr = inet->rcv_saddr;
u32 saddr = inet->daddr;
int dif = sk->sk_bound_dev_if;
- TCP_V4_ADDR_COOKIE(acookie, saddr, daddr)
- __u32 ports = TCP_COMBINED_PORTS(inet->dport, lport);
+ INET_ADDR_COOKIE(acookie, saddr, daddr)
+ const __u32 ports = INET_COMBINED_PORTS(inet->dport, lport);
const int hash = inet_ehashfn(daddr, lport, saddr, inet->dport, tcp_hashinfo.ehash_size);
struct inet_ehash_bucket *head = &tcp_hashinfo.ehash[hash];
struct sock *sk2;
- struct hlist_node *node;
- struct tcp_tw_bucket *tw;
+ const struct hlist_node *node;
+ struct inet_timewait_sock *tw;
write_lock(&head->lock);
/* Check TIME-WAIT sockets first. */
sk_for_each(sk2, node, &(head + tcp_hashinfo.ehash_size)->chain) {
- tw = (struct tcp_tw_bucket *)sk2;
+ tw = inet_twsk(sk2);
- if (TCP_IPV4_TW_MATCH(sk2, acookie, saddr, daddr, ports, dif)) {
+ if (INET_TW_MATCH(sk2, acookie, saddr, daddr, ports, dif)) {
+ const struct tcp_timewait_sock *tcptw = tcp_twsk(sk2);
struct tcp_sock *tp = tcp_sk(sk);
/* With PAWS, it is safe from the viewpoint
@@ -350,15 +351,15 @@ static int __tcp_v4_check_established(struct sock *sk, __u16 lport,
fall back to VJ's scheme and use initial
timestamp retrieved from peer table.
*/
- if (tw->tw_ts_recent_stamp &&
+ if (tcptw->tw_ts_recent_stamp &&
(!twp || (sysctl_tcp_tw_reuse &&
xtime.tv_sec -
- tw->tw_ts_recent_stamp > 1))) {
- if ((tp->write_seq =
- tw->tw_snd_nxt + 65535 + 2) == 0)
+ tcptw->tw_ts_recent_stamp > 1))) {
+ tp->write_seq = tcptw->tw_snd_nxt + 65535 + 2;
+ if (tp->write_seq == 0)
tp->write_seq = 1;
- tp->rx_opt.ts_recent = tw->tw_ts_recent;
- tp->rx_opt.ts_recent_stamp = tw->tw_ts_recent_stamp;
+ tp->rx_opt.ts_recent = tcptw->tw_ts_recent;
+ tp->rx_opt.ts_recent_stamp = tcptw->tw_ts_recent_stamp;
sock_hold(sk2);
goto unique;
} else
@@ -369,7 +370,7 @@ static int __tcp_v4_check_established(struct sock *sk, __u16 lport,
/* And established part... */
sk_for_each(sk2, node, &head->chain) {
- if (TCP_IPV4_MATCH(sk2, acookie, saddr, daddr, ports, dif))
+ if (INET_MATCH(sk2, acookie, saddr, daddr, ports, dif))
goto not_unique;
}
@@ -392,7 +393,7 @@ unique:
tcp_tw_deschedule(tw);
NET_INC_STATS_BH(LINUX_MIB_TIMEWAITRECYCLED);
- tcp_tw_put(tw);
+ inet_twsk_put(tw);
}
return 0;
@@ -429,7 +430,7 @@ static inline int tcp_v4_hash_connect(struct sock *sk)
static u32 hint;
u32 offset = hint + connect_port_offset(sk);
struct hlist_node *node;
- struct tcp_tw_bucket *tw = NULL;
+ struct inet_timewait_sock *tw = NULL;
local_bh_disable();
for (i = 1; i <= range; i++) {
@@ -482,7 +483,7 @@ ok:
if (tw) {
tcp_tw_deschedule(tw);
- tcp_tw_put(tw);
+ inet_twsk_put(tw);
}
ret = 0;
@@ -757,7 +758,7 @@ void tcp_v4_err(struct sk_buff *skb, u32 info)
return;
}
if (sk->sk_state == TCP_TIME_WAIT) {
- tcp_tw_put((struct tcp_tw_bucket *)sk);
+ inet_twsk_put((struct inet_timewait_sock *)sk);
return;
}
@@ -1002,12 +1003,13 @@ static void tcp_v4_send_ack(struct sk_buff *skb, u32 seq, u32 ack,
static void tcp_v4_timewait_ack(struct sock *sk, struct sk_buff *skb)
{
- struct tcp_tw_bucket *tw = (struct tcp_tw_bucket *)sk;
+ struct inet_timewait_sock *tw = inet_twsk(sk);
+ const struct tcp_timewait_sock *tcptw = tcp_twsk(sk);
- tcp_v4_send_ack(skb, tw->tw_snd_nxt, tw->tw_rcv_nxt,
- tw->tw_rcv_wnd >> tw->tw_rcv_wscale, tw->tw_ts_recent);
+ tcp_v4_send_ack(skb, tcptw->tw_snd_nxt, tcptw->tw_rcv_nxt,
+ tcptw->tw_rcv_wnd >> tw->tw_rcv_wscale, tcptw->tw_ts_recent);
- tcp_tw_put(tw);
+ inet_twsk_put(tw);
}
static void tcp_v4_reqsk_send_ack(struct sk_buff *skb, struct request_sock *req)
@@ -1368,7 +1370,7 @@ static struct sock *tcp_v4_hnd_req(struct sock *sk, struct sk_buff *skb)
bh_lock_sock(nsk);
return nsk;
}
- tcp_tw_put((struct tcp_tw_bucket *)nsk);
+ inet_twsk_put((struct inet_timewait_sock *)nsk);
return NULL;
}
@@ -1557,25 +1559,25 @@ discard_and_relse:
do_time_wait:
if (!xfrm4_policy_check(NULL, XFRM_POLICY_IN, skb)) {
- tcp_tw_put((struct tcp_tw_bucket *) sk);
+ inet_twsk_put((struct inet_timewait_sock *) sk);
goto discard_it;
}
if (skb->len < (th->doff << 2) || tcp_checksum_complete(skb)) {
TCP_INC_STATS_BH(TCP_MIB_INERRS);
- tcp_tw_put((struct tcp_tw_bucket *) sk);
+ inet_twsk_put((struct inet_timewait_sock *) sk);
goto discard_it;
}
- switch (tcp_timewait_state_process((struct tcp_tw_bucket *)sk,
- skb, th, skb->len)) {
+ switch (tcp_timewait_state_process((struct inet_timewait_sock *)sk,
+ skb, th)) {
case TCP_TW_SYN: {
struct sock *sk2 = inet_lookup_listener(&tcp_hashinfo,
skb->nh.iph->daddr,
ntohs(th->dest),
tcp_v4_iif(skb));
if (sk2) {
- tcp_tw_deschedule((struct tcp_tw_bucket *)sk);
- tcp_tw_put((struct tcp_tw_bucket *)sk);
+ tcp_tw_deschedule((struct inet_timewait_sock *)sk);
+ inet_twsk_put((struct inet_timewait_sock *)sk);
sk = sk2;
goto process;
}
@@ -1639,18 +1641,18 @@ int tcp_v4_remember_stamp(struct sock *sk)
return 0;
}
-int tcp_v4_tw_remember_stamp(struct tcp_tw_bucket *tw)
+int tcp_v4_tw_remember_stamp(struct inet_timewait_sock *tw)
{
- struct inet_peer *peer = NULL;
-
- peer = inet_getpeer(tw->tw_daddr, 1);
+ struct inet_peer *peer = inet_getpeer(tw->tw_daddr, 1);
if (peer) {
- if ((s32)(peer->tcp_ts - tw->tw_ts_recent) <= 0 ||
+ const struct tcp_timewait_sock *tcptw = tcp_twsk((struct sock *)tw);
+
+ if ((s32)(peer->tcp_ts - tcptw->tw_ts_recent) <= 0 ||
(peer->tcp_ts_stamp + TCP_PAWS_MSL < xtime.tv_sec &&
- peer->tcp_ts_stamp <= tw->tw_ts_recent_stamp)) {
- peer->tcp_ts_stamp = tw->tw_ts_recent_stamp;
- peer->tcp_ts = tw->tw_ts_recent;
+ peer->tcp_ts_stamp <= tcptw->tw_ts_recent_stamp)) {
+ peer->tcp_ts_stamp = tcptw->tw_ts_recent_stamp;
+ peer->tcp_ts = tcptw->tw_ts_recent;
}
inet_putpeer(peer);
return 1;
@@ -1758,13 +1760,13 @@ EXPORT_SYMBOL(tcp_v4_destroy_sock);
#ifdef CONFIG_PROC_FS
/* Proc filesystem TCP sock list dumping. */
-static inline struct tcp_tw_bucket *tw_head(struct hlist_head *head)
+static inline struct inet_timewait_sock *tw_head(struct hlist_head *head)
{
return hlist_empty(head) ? NULL :
- list_entry(head->first, struct tcp_tw_bucket, tw_node);
+ list_entry(head->first, struct inet_timewait_sock, tw_node);
}
-static inline struct tcp_tw_bucket *tw_next(struct tcp_tw_bucket *tw)
+static inline struct inet_timewait_sock *tw_next(struct inet_timewait_sock *tw)
{
return tw->tw_node.next ?
hlist_entry(tw->tw_node.next, typeof(*tw), tw_node) : NULL;
@@ -1860,7 +1862,7 @@ static void *established_get_first(struct seq_file *seq)
for (st->bucket = 0; st->bucket < tcp_hashinfo.ehash_size; ++st->bucket) {
struct sock *sk;
struct hlist_node *node;
- struct tcp_tw_bucket *tw;
+ struct inet_timewait_sock *tw;
/* We can reschedule _before_ having picked the target: */
cond_resched_softirq();
@@ -1874,8 +1876,8 @@ static void *established_get_first(struct seq_file *seq)
goto out;
}
st->state = TCP_SEQ_STATE_TIME_WAIT;
- tw_for_each(tw, node,
- &tcp_hashinfo.ehash[st->bucket + tcp_hashinfo.ehash_size].chain) {
+ inet_twsk_for_each(tw, node,
+ &tcp_hashinfo.ehash[st->bucket + tcp_hashinfo.ehash_size].chain) {
if (tw->tw_family != st->family) {
continue;
}
@@ -1892,7 +1894,7 @@ out:
static void *established_get_next(struct seq_file *seq, void *cur)
{
struct sock *sk = cur;
- struct tcp_tw_bucket *tw;
+ struct inet_timewait_sock *tw;
struct hlist_node *node;
struct tcp_iter_state* st = seq->private;
@@ -2159,7 +2161,7 @@ static void get_tcp4_sock(struct sock *sp, char *tmpbuf, int i)
tp->snd_ssthresh >= 0xFFFF ? -1 : tp->snd_ssthresh);
}
-static void get_timewait4_sock(struct tcp_tw_bucket *tw, char *tmpbuf, int i)
+static void get_timewait4_sock(struct inet_timewait_sock *tw, char *tmpbuf, int i)
{
unsigned int dest, src;
__u16 destp, srcp;
@@ -2261,6 +2263,7 @@ struct proto tcp_prot = {
.sysctl_rmem = sysctl_tcp_rmem,
.max_header = MAX_TCP_HEADER,
.obj_size = sizeof(struct tcp_sock),
+ .twsk_obj_size = sizeof(struct tcp_timewait_sock),
.rsk_prot = &tcp_request_sock_ops,
};
diff --git a/net/ipv4/tcp_minisocks.c b/net/ipv4/tcp_minisocks.c
index f29e2f6ebe1b..5b5a49335fbb 100644
--- a/net/ipv4/tcp_minisocks.c
+++ b/net/ipv4/tcp_minisocks.c
@@ -41,7 +41,7 @@ int sysctl_tcp_max_tw_buckets = NR_FILE*2;
int sysctl_tcp_syncookies = SYNC_INIT;
int sysctl_tcp_abort_on_overflow;
-static void tcp_tw_schedule(struct tcp_tw_bucket *tw, int timeo);
+static void tcp_tw_schedule(struct inet_timewait_sock *tw, int timeo);
static __inline__ int tcp_in_window(u32 seq, u32 end_seq, u32 s_win, u32 e_win)
{
@@ -58,7 +58,7 @@ int tcp_tw_count;
/* Must be called with locally disabled BHs. */
-static void tcp_timewait_kill(struct tcp_tw_bucket *tw)
+static void tcp_timewait_kill(struct inet_timewait_sock *tw)
{
struct inet_bind_hashbucket *bhead;
struct inet_bind_bucket *tb;
@@ -85,11 +85,11 @@ static void tcp_timewait_kill(struct tcp_tw_bucket *tw)
#ifdef SOCK_REFCNT_DEBUG
if (atomic_read(&tw->tw_refcnt) != 1) {
- printk(KERN_DEBUG "tw_bucket %p refcnt=%d\n", tw,
- atomic_read(&tw->tw_refcnt));
+ printk(KERN_DEBUG "%s timewait_sock %p refcnt=%d\n",
+ tw->tw_prot->name, tw, atomic_read(&tw->tw_refcnt));
}
#endif
- tcp_tw_put(tw);
+ inet_twsk_put(tw);
}
/*
@@ -121,19 +121,20 @@ static void tcp_timewait_kill(struct tcp_tw_bucket *tw)
* to avoid misread sequence numbers, states etc. --ANK
*/
enum tcp_tw_status
-tcp_timewait_state_process(struct tcp_tw_bucket *tw, struct sk_buff *skb,
- struct tcphdr *th, unsigned len)
+tcp_timewait_state_process(struct inet_timewait_sock *tw, struct sk_buff *skb,
+ const struct tcphdr *th)
{
+ struct tcp_timewait_sock *tcptw = tcp_twsk((struct sock *)tw);
struct tcp_options_received tmp_opt;
int paws_reject = 0;
tmp_opt.saw_tstamp = 0;
- if (th->doff > (sizeof(struct tcphdr) >> 2) && tw->tw_ts_recent_stamp) {
+ if (th->doff > (sizeof(*th) >> 2) && tcptw->tw_ts_recent_stamp) {
tcp_parse_options(skb, &tmp_opt, 0);
if (tmp_opt.saw_tstamp) {
- tmp_opt.ts_recent = tw->tw_ts_recent;
- tmp_opt.ts_recent_stamp = tw->tw_ts_recent_stamp;
+ tmp_opt.ts_recent = tcptw->tw_ts_recent;
+ tmp_opt.ts_recent_stamp = tcptw->tw_ts_recent_stamp;
paws_reject = tcp_paws_check(&tmp_opt, th->rst);
}
}
@@ -144,20 +145,20 @@ tcp_timewait_state_process(struct tcp_tw_bucket *tw, struct sk_buff *skb,
/* Out of window, send ACK */
if (paws_reject ||
!tcp_in_window(TCP_SKB_CB(skb)->seq, TCP_SKB_CB(skb)->end_seq,
- tw->tw_rcv_nxt,
- tw->tw_rcv_nxt + tw->tw_rcv_wnd))
+ tcptw->tw_rcv_nxt,
+ tcptw->tw_rcv_nxt + tcptw->tw_rcv_wnd))
return TCP_TW_ACK;
if (th->rst)
goto kill;
- if (th->syn && !before(TCP_SKB_CB(skb)->seq, tw->tw_rcv_nxt))
+ if (th->syn && !before(TCP_SKB_CB(skb)->seq, tcptw->tw_rcv_nxt))
goto kill_with_rst;
/* Dup ACK? */
- if (!after(TCP_SKB_CB(skb)->end_seq, tw->tw_rcv_nxt) ||
+ if (!after(TCP_SKB_CB(skb)->end_seq, tcptw->tw_rcv_nxt) ||
TCP_SKB_CB(skb)->end_seq == TCP_SKB_CB(skb)->seq) {
- tcp_tw_put(tw);
+ inet_twsk_put(tw);
return TCP_TW_SUCCESS;
}
@@ -165,19 +166,19 @@ tcp_timewait_state_process(struct tcp_tw_bucket *tw, struct sk_buff *skb,
* reset.
*/
if (!th->fin ||
- TCP_SKB_CB(skb)->end_seq != tw->tw_rcv_nxt + 1) {
+ TCP_SKB_CB(skb)->end_seq != tcptw->tw_rcv_nxt + 1) {
kill_with_rst:
tcp_tw_deschedule(tw);
- tcp_tw_put(tw);
+ inet_twsk_put(tw);
return TCP_TW_RST;
}
/* FIN arrived, enter true time-wait state. */
- tw->tw_substate = TCP_TIME_WAIT;
- tw->tw_rcv_nxt = TCP_SKB_CB(skb)->end_seq;
+ tw->tw_substate = TCP_TIME_WAIT;
+ tcptw->tw_rcv_nxt = TCP_SKB_CB(skb)->end_seq;
if (tmp_opt.saw_tstamp) {
- tw->tw_ts_recent_stamp = xtime.tv_sec;
- tw->tw_ts_recent = tmp_opt.rcv_tsval;
+ tcptw->tw_ts_recent_stamp = xtime.tv_sec;
+ tcptw->tw_ts_recent = tmp_opt.rcv_tsval;
}
/* I am shamed, but failed to make it more elegant.
@@ -186,7 +187,7 @@ kill_with_rst:
* do not undertsnad recycling in any case, it not
* a big problem in practice. --ANK */
if (tw->tw_family == AF_INET &&
- sysctl_tcp_tw_recycle && tw->tw_ts_recent_stamp &&
+ sysctl_tcp_tw_recycle && tcptw->tw_ts_recent_stamp &&
tcp_v4_tw_remember_stamp(tw))
tcp_tw_schedule(tw, tw->tw_timeout);
else
@@ -212,7 +213,7 @@ kill_with_rst:
*/
if (!paws_reject &&
- (TCP_SKB_CB(skb)->seq == tw->tw_rcv_nxt &&
+ (TCP_SKB_CB(skb)->seq == tcptw->tw_rcv_nxt &&
(TCP_SKB_CB(skb)->seq == TCP_SKB_CB(skb)->end_seq || th->rst))) {
/* In window segment, it may be only reset or bare ack. */
@@ -224,18 +225,18 @@ kill_with_rst:
if (sysctl_tcp_rfc1337 == 0) {
kill:
tcp_tw_deschedule(tw);
- tcp_tw_put(tw);
+ inet_twsk_put(tw);
return TCP_TW_SUCCESS;
}
}
tcp_tw_schedule(tw, TCP_TIMEWAIT_LEN);
if (tmp_opt.saw_tstamp) {
- tw->tw_ts_recent = tmp_opt.rcv_tsval;
- tw->tw_ts_recent_stamp = xtime.tv_sec;
+ tcptw->tw_ts_recent = tmp_opt.rcv_tsval;
+ tcptw->tw_ts_recent_stamp = xtime.tv_sec;
}
- tcp_tw_put(tw);
+ inet_twsk_put(tw);
return TCP_TW_SUCCESS;
}
@@ -257,9 +258,10 @@ kill:
*/
if (th->syn && !th->rst && !th->ack && !paws_reject &&
- (after(TCP_SKB_CB(skb)->seq, tw->tw_rcv_nxt) ||
- (tmp_opt.saw_tstamp && (s32)(tw->tw_ts_recent - tmp_opt.rcv_tsval) < 0))) {
- u32 isn = tw->tw_snd_nxt + 65535 + 2;
+ (after(TCP_SKB_CB(skb)->seq, tcptw->tw_rcv_nxt) ||
+ (tmp_opt.saw_tstamp &&
+ (s32)(tcptw->tw_ts_recent - tmp_opt.rcv_tsval) < 0))) {
+ u32 isn = tcptw->tw_snd_nxt + 65535 + 2;
if (isn == 0)
isn++;
TCP_SKB_CB(skb)->when = isn;
@@ -284,7 +286,7 @@ kill:
*/
return TCP_TW_ACK;
}
- tcp_tw_put(tw);
+ inet_twsk_put(tw);
return TCP_TW_SUCCESS;
}
@@ -293,7 +295,7 @@ kill:
* relevant info into it from the SK, and mess with hash chains
* and list linkage.
*/
-static void __tcp_tw_hashdance(struct sock *sk, struct tcp_tw_bucket *tw)
+static void __tcp_tw_hashdance(struct sock *sk, struct inet_timewait_sock *tw)
{
const struct inet_sock *inet = inet_sk(sk);
struct inet_ehash_bucket *ehead = &tcp_hashinfo.ehash[sk->sk_hashent];
@@ -306,7 +308,7 @@ static void __tcp_tw_hashdance(struct sock *sk, struct tcp_tw_bucket *tw)
spin_lock(&bhead->lock);
tw->tw_tb = inet->bind_hash;
BUG_TRAP(inet->bind_hash);
- tw_add_bind_node(tw, &tw->tw_tb->owners);
+ inet_twsk_add_bind_node(tw, &tw->tw_tb->owners);
spin_unlock(&bhead->lock);
write_lock(&ehead->lock);
@@ -316,7 +318,7 @@ static void __tcp_tw_hashdance(struct sock *sk, struct tcp_tw_bucket *tw)
sock_prot_dec_use(sk->sk_prot);
/* Step 3: Hash TW into TIMEWAIT half of established hash table. */
- tw_add_node(tw, &(ehead + tcp_hashinfo.ehash_size)->chain);
+ inet_twsk_add_node(tw, &(ehead + tcp_hashinfo.ehash_size)->chain);
atomic_inc(&tw->tw_refcnt);
write_unlock(&ehead->lock);
@@ -327,19 +329,23 @@ static void __tcp_tw_hashdance(struct sock *sk, struct tcp_tw_bucket *tw)
*/
void tcp_time_wait(struct sock *sk, int state, int timeo)
{
- struct tcp_tw_bucket *tw = NULL;
- struct tcp_sock *tp = tcp_sk(sk);
+ struct inet_timewait_sock *tw = NULL;
+ const struct tcp_sock *tp = tcp_sk(sk);
int recycle_ok = 0;
if (sysctl_tcp_tw_recycle && tp->rx_opt.ts_recent_stamp)
recycle_ok = tp->af_specific->remember_stamp(sk);
if (tcp_tw_count < sysctl_tcp_max_tw_buckets)
- tw = kmem_cache_alloc(tcp_timewait_cachep, SLAB_ATOMIC);
+ tw = kmem_cache_alloc(sk->sk_prot_creator->twsk_slab, SLAB_ATOMIC);
+
+ if (tw != NULL) {
+ struct tcp_timewait_sock *tcptw = tcp_twsk((struct sock *)tw);
+ const struct inet_sock *inet = inet_sk(sk);
+ const int rto = (tp->rto << 2) - (tp->rto >> 1);
- if(tw != NULL) {
- struct inet_sock *inet = inet_sk(sk);
- int rto = (tp->rto<<2) - (tp->rto>>1);
+ /* Remember our protocol */
+ tw->tw_prot = sk->sk_prot_creator;
/* Give us an identity. */
tw->tw_daddr = inet->daddr;
@@ -356,25 +362,23 @@ void tcp_time_wait(struct sock *sk, int state, int timeo)
atomic_set(&tw->tw_refcnt, 1);
tw->tw_hashent = sk->sk_hashent;
- tw->tw_rcv_nxt = tp->rcv_nxt;
- tw->tw_snd_nxt = tp->snd_nxt;
- tw->tw_rcv_wnd = tcp_receive_window(tp);
- tw->tw_ts_recent = tp->rx_opt.ts_recent;
- tw->tw_ts_recent_stamp = tp->rx_opt.ts_recent_stamp;
- tw_dead_node_init(tw);
+ tcptw->tw_rcv_nxt = tp->rcv_nxt;
+ tcptw->tw_snd_nxt = tp->snd_nxt;
+ tcptw->tw_rcv_wnd = tcp_receive_window(tp);
+ tcptw->tw_ts_recent = tp->rx_opt.ts_recent;
+ tcptw->tw_ts_recent_stamp = tp->rx_opt.ts_recent_stamp;
+ inet_twsk_dead_node_init(tw);
#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
if (tw->tw_family == PF_INET6) {
struct ipv6_pinfo *np = inet6_sk(sk);
+ struct tcp6_timewait_sock *tcp6tw = tcp6_twsk((struct sock *)tw);
- ipv6_addr_copy(&tw->tw_v6_daddr, &np->daddr);
- ipv6_addr_copy(&tw->tw_v6_rcv_saddr, &np->rcv_saddr);
- tw->tw_v6_ipv6only = np->ipv6only;
- } else {
- memset(&tw->tw_v6_daddr, 0, sizeof(tw->tw_v6_daddr));
- memset(&tw->tw_v6_rcv_saddr, 0, sizeof(tw->tw_v6_rcv_saddr));
- tw->tw_v6_ipv6only = 0;
- }
+ ipv6_addr_copy(&tcp6tw->tw_v6_daddr, &np->daddr);
+ ipv6_addr_copy(&tcp6tw->tw_v6_rcv_saddr, &np->rcv_saddr);
+ tw->tw_ipv6only = np->ipv6only;
+ } else
+ tw->tw_ipv6only = 0;
#endif
/* Linkage updates. */
__tcp_tw_hashdance(sk, tw);
@@ -392,7 +396,7 @@ void tcp_time_wait(struct sock *sk, int state, int timeo)
}
tcp_tw_schedule(tw, timeo);
- tcp_tw_put(tw);
+ inet_twsk_put(tw);
} else {
/* Sorry, if we're out of memory, just CLOSE this
* socket up. We've got bigger problems than
@@ -427,7 +431,7 @@ static u32 twkill_thread_slots;
/* Returns non-zero if quota exceeded. */
static int tcp_do_twkill_work(int slot, unsigned int quota)
{
- struct tcp_tw_bucket *tw;
+ struct inet_timewait_sock *tw;
struct hlist_node *node;
unsigned int killed;
int ret;
@@ -441,11 +445,11 @@ static int tcp_do_twkill_work(int slot, unsigned int quota)
killed = 0;
ret = 0;
rescan:
- tw_for_each_inmate(tw, node, &tcp_tw_death_row[slot]) {
- __tw_del_dead_node(tw);
+ inet_twsk_for_each_inmate(tw, node, &tcp_tw_death_row[slot]) {
+ __inet_twsk_del_dead_node(tw);
spin_unlock(&tw_death_lock);
tcp_timewait_kill(tw);
- tcp_tw_put(tw);
+ inet_twsk_put(tw);
killed++;
spin_lock(&tw_death_lock);
if (killed > quota) {
@@ -531,11 +535,11 @@ static void twkill_work(void *dummy)
*/
/* This is for handling early-kills of TIME_WAIT sockets. */
-void tcp_tw_deschedule(struct tcp_tw_bucket *tw)
+void tcp_tw_deschedule(struct inet_timewait_sock *tw)
{
spin_lock(&tw_death_lock);
- if (tw_del_dead_node(tw)) {
- tcp_tw_put(tw);
+ if (inet_twsk_del_dead_node(tw)) {
+ inet_twsk_put(tw);
if (--tcp_tw_count == 0)
del_timer(&tcp_tw_timer);
}
@@ -552,7 +556,7 @@ static struct timer_list tcp_twcal_timer =
TIMER_INITIALIZER(tcp_twcal_tick, 0, 0);
static struct hlist_head tcp_twcal_row[TCP_TW_RECYCLE_SLOTS];
-static void tcp_tw_schedule(struct tcp_tw_bucket *tw, int timeo)
+static void tcp_tw_schedule(struct inet_timewait_sock *tw, const int timeo)
{
struct hlist_head *list;
int slot;
@@ -586,7 +590,7 @@ static void tcp_tw_schedule(struct tcp_tw_bucket *tw, int timeo)
spin_lock(&tw_death_lock);
/* Unlink it, if it was scheduled */
- if (tw_del_dead_node(tw))
+ if (inet_twsk_del_dead_node(tw))
tcp_tw_count--;
else
atomic_inc(&tw->tw_refcnt);
@@ -644,13 +648,13 @@ void tcp_twcal_tick(unsigned long dummy)
for (n=0; n<TCP_TW_RECYCLE_SLOTS; n++) {
if (time_before_eq(j, now)) {
struct hlist_node *node, *safe;
- struct tcp_tw_bucket *tw;
+ struct inet_timewait_sock *tw;
- tw_for_each_inmate_safe(tw, node, safe,
- &tcp_twcal_row[slot]) {
- __tw_del_dead_node(tw);
+ inet_twsk_for_each_inmate_safe(tw, node, safe,
+ &tcp_twcal_row[slot]) {
+ __inet_twsk_del_dead_node(tw);
tcp_timewait_kill(tw);
- tcp_tw_put(tw);
+ inet_twsk_put(tw);
killed++;
}
} else {
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 77004b9456c0..4582d9cf4bbe 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -1041,7 +1041,7 @@ int ipv6_rcv_saddr_equal(const struct sock *sk, const struct sock *sk2)
const struct in6_addr *sk_rcv_saddr6 = &inet6_sk(sk)->rcv_saddr;
const struct in6_addr *sk2_rcv_saddr6 = tcp_v6_rcv_saddr(sk2);
u32 sk_rcv_saddr = inet_sk(sk)->rcv_saddr;
- u32 sk2_rcv_saddr = tcp_v4_rcv_saddr(sk2);
+ u32 sk2_rcv_saddr = inet_rcv_saddr(sk2);
int sk_ipv6only = ipv6_only_sock(sk);
int sk2_ipv6only = tcp_v6_ipv6only(sk2);
int addr_type = ipv6_addr_type(sk_rcv_saddr6);
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index 93a66b9a76e1..af8ad5bb273b 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -308,33 +308,32 @@ static inline struct sock *__tcp_v6_lookup_established(struct in6_addr *saddr, u
struct in6_addr *daddr, u16 hnum,
int dif)
{
- struct inet_ehash_bucket *head;
struct sock *sk;
- struct hlist_node *node;
- __u32 ports = TCP_COMBINED_PORTS(sport, hnum);
- int hash;
-
+ const struct hlist_node *node;
+ const __u32 ports = INET_COMBINED_PORTS(sport, hnum);
/* Optimize here for direct hit, only listening connections can
* have wildcards anyways.
*/
- hash = tcp_v6_hashfn(daddr, hnum, saddr, sport);
- head = &tcp_hashinfo.ehash[hash];
+ const int hash = tcp_v6_hashfn(daddr, hnum, saddr, sport);
+ struct inet_ehash_bucket *head = &tcp_hashinfo.ehash[hash];
+
read_lock(&head->lock);
sk_for_each(sk, node, &head->chain) {
/* For IPV6 do the cheaper port and family tests first. */
- if(TCP_IPV6_MATCH(sk, saddr, daddr, ports, dif))
+ if (INET6_MATCH(sk, saddr, daddr, ports, dif))
goto hit; /* You sunk my battleship! */
}
/* Must check for a TIME_WAIT'er before going to listener hash. */
sk_for_each(sk, node, &(head + tcp_hashinfo.ehash_size)->chain) {
- /* FIXME: acme: check this... */
- struct tcp_tw_bucket *tw = (struct tcp_tw_bucket *)sk;
+ const struct inet_timewait_sock *tw = inet_twsk(sk);
if(*((__u32 *)&(tw->tw_dport)) == ports &&
sk->sk_family == PF_INET6) {
- if(ipv6_addr_equal(&tw->tw_v6_daddr, saddr) &&
- ipv6_addr_equal(&tw->tw_v6_rcv_saddr, daddr) &&
- (!sk->sk_bound_dev_if || sk->sk_bound_dev_if == dif))
+ const struct tcp6_timewait_sock *tcp6tw = tcp6_twsk(sk);
+
+ if (ipv6_addr_equal(&tcp6tw->tw_v6_daddr, saddr) &&
+ ipv6_addr_equal(&tcp6tw->tw_v6_rcv_saddr, daddr) &&
+ (!sk->sk_bound_dev_if || sk->sk_bound_dev_if == dif))
goto hit;
}
}
@@ -455,43 +454,46 @@ static __u32 tcp_v6_init_sequence(struct sock *sk, struct sk_buff *skb)
}
static int __tcp_v6_check_established(struct sock *sk, __u16 lport,
- struct tcp_tw_bucket **twp)
+ struct inet_timewait_sock **twp)
{
struct inet_sock *inet = inet_sk(sk);
struct ipv6_pinfo *np = inet6_sk(sk);
struct in6_addr *daddr = &np->rcv_saddr;
struct in6_addr *saddr = &np->daddr;
int dif = sk->sk_bound_dev_if;
- u32 ports = TCP_COMBINED_PORTS(inet->dport, lport);
- int hash = tcp_v6_hashfn(daddr, inet->num, saddr, inet->dport);
+ const u32 ports = INET_COMBINED_PORTS(inet->dport, lport);
+ const int hash = tcp_v6_hashfn(daddr, inet->num, saddr, inet->dport);
struct inet_ehash_bucket *head = &tcp_hashinfo.ehash[hash];
struct sock *sk2;
- struct hlist_node *node;
- struct tcp_tw_bucket *tw;
+ const struct hlist_node *node;
+ struct inet_timewait_sock *tw;
write_lock(&head->lock);
/* Check TIME-WAIT sockets first. */
sk_for_each(sk2, node, &(head + tcp_hashinfo.ehash_size)->chain) {
- tw = (struct tcp_tw_bucket*)sk2;
+ const struct tcp6_timewait_sock *tcp6tw = tcp6_twsk(sk2);
+
+ tw = inet_twsk(sk2);
if(*((__u32 *)&(tw->tw_dport)) == ports &&
sk2->sk_family == PF_INET6 &&
- ipv6_addr_equal(&tw->tw_v6_daddr, saddr) &&
- ipv6_addr_equal(&tw->tw_v6_rcv_saddr, daddr) &&
+ ipv6_addr_equal(&tcp6tw->tw_v6_daddr, saddr) &&
+ ipv6_addr_equal(&tcp6tw->tw_v6_rcv_saddr, daddr) &&
sk2->sk_bound_dev_if == sk->sk_bound_dev_if) {
+ const struct tcp_timewait_sock *tcptw = tcp_twsk(sk2);
struct tcp_sock *tp = tcp_sk(sk);
- if (tw->tw_ts_recent_stamp &&
- (!twp || (sysctl_tcp_tw_reuse &&
- xtime.tv_sec -
- tw->tw_ts_recent_stamp > 1))) {
+ if (tcptw->tw_ts_recent_stamp &&
+ (!twp ||
+ (sysctl_tcp_tw_reuse &&
+ xtime.tv_sec - tcptw->tw_ts_recent_stamp > 1))) {
/* See comment in tcp_ipv4.c */
- tp->write_seq = tw->tw_snd_nxt + 65535 + 2;
+ tp->write_seq = tcptw->tw_snd_nxt + 65535 + 2;
if (!tp->write_seq)
tp->write_seq = 1;
- tp->rx_opt.ts_recent = tw->tw_ts_recent;
- tp->rx_opt.ts_recent_stamp = tw->tw_ts_recent_stamp;
+ tp->rx_opt.ts_recent = tcptw->tw_ts_recent;
+ tp->rx_opt.ts_recent_stamp = tcptw->tw_ts_recent_stamp;
sock_hold(sk2);
goto unique;
} else
@@ -502,7 +504,7 @@ static int __tcp_v6_check_established(struct sock *sk, __u16 lport,
/* And established part... */
sk_for_each(sk2, node, &head->chain) {
- if(TCP_IPV6_MATCH(sk2, saddr, daddr, ports, dif))
+ if (INET6_MATCH(sk2, saddr, daddr, ports, dif))
goto not_unique;
}
@@ -521,7 +523,7 @@ unique:
tcp_tw_deschedule(tw);
NET_INC_STATS_BH(LINUX_MIB_TIMEWAITRECYCLED);
- tcp_tw_put(tw);
+ inet_twsk_put(tw);
}
return 0;
@@ -556,7 +558,7 @@ static int tcp_v6_hash_connect(struct sock *sk)
static u32 hint;
u32 offset = hint + tcpv6_port_offset(sk);
struct hlist_node *node;
- struct tcp_tw_bucket *tw = NULL;
+ struct inet_timewait_sock *tw = NULL;
local_bh_disable();
for (i = 1; i <= range; i++) {
@@ -609,7 +611,7 @@ ok:
if (tw) {
tcp_tw_deschedule(tw);
- tcp_tw_put(tw);
+ inet_twsk_put(tw);
}
ret = 0;
@@ -845,7 +847,7 @@ static void tcp_v6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
}
if (sk->sk_state == TCP_TIME_WAIT) {
- tcp_tw_put((struct tcp_tw_bucket*)sk);
+ inet_twsk_put((struct inet_timewait_sock *)sk);
return;
}
@@ -1223,12 +1225,14 @@ static void tcp_v6_send_ack(struct sk_buff *skb, u32 seq, u32 ack, u32 win, u32
static void tcp_v6_timewait_ack(struct sock *sk, struct sk_buff *skb)
{
- struct tcp_tw_bucket *tw = (struct tcp_tw_bucket *)sk;
+ struct inet_timewait_sock *tw = inet_twsk(sk);
+ const struct tcp_timewait_sock *tcptw = tcp_twsk(sk);
- tcp_v6_send_ack(skb, tw->tw_snd_nxt, tw->tw_rcv_nxt,
- tw->tw_rcv_wnd >> tw->tw_rcv_wscale, tw->tw_ts_recent);
+ tcp_v6_send_ack(skb, tcptw->tw_snd_nxt, tcptw->tw_rcv_nxt,
+ tcptw->tw_rcv_wnd >> tw->tw_rcv_wscale,
+ tcptw->tw_ts_recent);
- tcp_tw_put(tw);
+ inet_twsk_put(tw);
}
static void tcp_v6_reqsk_send_ack(struct sk_buff *skb, struct request_sock *req)
@@ -1261,7 +1265,7 @@ static struct sock *tcp_v6_hnd_req(struct sock *sk,struct sk_buff *skb)
bh_lock_sock(nsk);
return nsk;
}
- tcp_tw_put((struct tcp_tw_bucket*)nsk);
+ inet_twsk_put((struct inet_timewait_sock *)nsk);
return NULL;
}
@@ -1798,26 +1802,26 @@ discard_and_relse:
do_time_wait:
if (!xfrm6_policy_check(NULL, XFRM_POLICY_IN, skb)) {
- tcp_tw_put((struct tcp_tw_bucket *) sk);
+ inet_twsk_put((struct inet_timewait_sock *)sk);
goto discard_it;
}
if (skb->len < (th->doff<<2) || tcp_checksum_complete(skb)) {
TCP_INC_STATS_BH(TCP_MIB_INERRS);
- tcp_tw_put((struct tcp_tw_bucket *) sk);
+ inet_twsk_put((struct inet_timewait_sock *)sk);
goto discard_it;
}
- switch(tcp_timewait_state_process((struct tcp_tw_bucket *)sk,
- skb, th, skb->len)) {
+ switch (tcp_timewait_state_process((struct inet_timewait_sock *)sk,
+ skb, th)) {
case TCP_TW_SYN:
{
struct sock *sk2;
sk2 = tcp_v6_lookup_listener(&skb->nh.ipv6h->daddr, ntohs(th->dest), tcp_v6_iif(skb));
if (sk2 != NULL) {
- tcp_tw_deschedule((struct tcp_tw_bucket *)sk);
- tcp_tw_put((struct tcp_tw_bucket *)sk);
+ tcp_tw_deschedule((struct inet_timewait_sock *)sk);
+ inet_twsk_put((struct inet_timewait_sock *)sk);
sk = sk2;
goto process;
}
@@ -2137,17 +2141,18 @@ static void get_tcp6_sock(struct seq_file *seq, struct sock *sp, int i)
}
static void get_timewait6_sock(struct seq_file *seq,
- struct tcp_tw_bucket *tw, int i)
+ struct inet_timewait_sock *tw, int i)
{
struct in6_addr *dest, *src;
__u16 destp, srcp;
+ struct tcp6_timewait_sock *tcp6tw = tcp6_twsk((struct sock *)tw);
int ttd = tw->tw_ttd - jiffies;
if (ttd < 0)
ttd = 0;
- dest = &tw->tw_v6_daddr;
- src = &tw->tw_v6_rcv_saddr;
+ dest = &tcp6tw->tw_v6_daddr;
+ src = &tcp6tw->tw_v6_rcv_saddr;
destp = ntohs(tw->tw_dport);
srcp = ntohs(tw->tw_sport);
@@ -2244,6 +2249,7 @@ struct proto tcpv6_prot = {
.sysctl_rmem = sysctl_tcp_rmem,
.max_header = MAX_TCP_HEADER,
.obj_size = sizeof(struct tcp6_sock),
+ .twsk_obj_size = sizeof(struct tcp6_timewait_sock),
.rsk_prot = &tcp6_request_sock_ops,
};