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-rw-r--r--net/ipv4/fib_semantics.c12
-rw-r--r--net/ipv4/igmp.c38
-rw-r--r--net/ipv4/ip_output.c11
-rw-r--r--net/ipv4/ip_sockglue.c9
-rw-r--r--net/ipv4/netfilter/arp_tables.c30
-rw-r--r--net/ipv4/netfilter/ip_conntrack_netlink.c17
-rw-r--r--net/ipv4/netfilter/ip_conntrack_sip.c2
-rw-r--r--net/ipv4/netfilter/ip_tables.c36
-rw-r--r--net/ipv4/netfilter/ipt_ULOG.c5
-rw-r--r--net/ipv4/netfilter/ipt_hashlimit.c14
-rw-r--r--net/ipv4/route.c10
-rw-r--r--net/ipv4/tcp.c5
-rw-r--r--net/ipv4/tcp_input.c3
-rw-r--r--net/ipv4/tcp_ipv4.c2
-rw-r--r--net/ipv4/tcp_minisocks.c4
-rw-r--r--net/ipv4/tcp_output.c13
-rw-r--r--net/ipv4/tcp_probe.c5
17 files changed, 140 insertions, 76 deletions
diff --git a/net/ipv4/fib_semantics.c b/net/ipv4/fib_semantics.c
index 9be53a8e72c3..51738000f3dc 100644
--- a/net/ipv4/fib_semantics.c
+++ b/net/ipv4/fib_semantics.c
@@ -159,7 +159,7 @@ void free_fib_info(struct fib_info *fi)
void fib_release_info(struct fib_info *fi)
{
- write_lock(&fib_info_lock);
+ write_lock_bh(&fib_info_lock);
if (fi && --fi->fib_treeref == 0) {
hlist_del(&fi->fib_hash);
if (fi->fib_prefsrc)
@@ -172,7 +172,7 @@ void fib_release_info(struct fib_info *fi)
fi->fib_dead = 1;
fib_info_put(fi);
}
- write_unlock(&fib_info_lock);
+ write_unlock_bh(&fib_info_lock);
}
static __inline__ int nh_comp(const struct fib_info *fi, const struct fib_info *ofi)
@@ -598,7 +598,7 @@ static void fib_hash_move(struct hlist_head *new_info_hash,
unsigned int old_size = fib_hash_size;
unsigned int i, bytes;
- write_lock(&fib_info_lock);
+ write_lock_bh(&fib_info_lock);
old_info_hash = fib_info_hash;
old_laddrhash = fib_info_laddrhash;
fib_hash_size = new_size;
@@ -639,7 +639,7 @@ static void fib_hash_move(struct hlist_head *new_info_hash,
}
fib_info_laddrhash = new_laddrhash;
- write_unlock(&fib_info_lock);
+ write_unlock_bh(&fib_info_lock);
bytes = old_size * sizeof(struct hlist_head *);
fib_hash_free(old_info_hash, bytes);
@@ -820,7 +820,7 @@ link_it:
fi->fib_treeref++;
atomic_inc(&fi->fib_clntref);
- write_lock(&fib_info_lock);
+ write_lock_bh(&fib_info_lock);
hlist_add_head(&fi->fib_hash,
&fib_info_hash[fib_info_hashfn(fi)]);
if (fi->fib_prefsrc) {
@@ -839,7 +839,7 @@ link_it:
head = &fib_info_devhash[hash];
hlist_add_head(&nh->nh_hash, head);
} endfor_nexthops(fi)
- write_unlock(&fib_info_lock);
+ write_unlock_bh(&fib_info_lock);
return fi;
err_inval:
diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c
index 9f4b752f5a33..8e8117c19e4d 100644
--- a/net/ipv4/igmp.c
+++ b/net/ipv4/igmp.c
@@ -1793,29 +1793,35 @@ int ip_mc_leave_group(struct sock *sk, struct ip_mreqn *imr)
struct in_device *in_dev;
u32 group = imr->imr_multiaddr.s_addr;
u32 ifindex;
+ int ret = -EADDRNOTAVAIL;
rtnl_lock();
in_dev = ip_mc_find_dev(imr);
- if (!in_dev) {
- rtnl_unlock();
- return -ENODEV;
- }
ifindex = imr->imr_ifindex;
for (imlp = &inet->mc_list; (iml = *imlp) != NULL; imlp = &iml->next) {
- if (iml->multi.imr_multiaddr.s_addr == group &&
- iml->multi.imr_ifindex == ifindex) {
- (void) ip_mc_leave_src(sk, iml, in_dev);
+ if (iml->multi.imr_multiaddr.s_addr != group)
+ continue;
+ if (ifindex) {
+ if (iml->multi.imr_ifindex != ifindex)
+ continue;
+ } else if (imr->imr_address.s_addr && imr->imr_address.s_addr !=
+ iml->multi.imr_address.s_addr)
+ continue;
+
+ (void) ip_mc_leave_src(sk, iml, in_dev);
- *imlp = iml->next;
+ *imlp = iml->next;
+ if (in_dev)
ip_mc_dec_group(in_dev, group);
- rtnl_unlock();
- sock_kfree_s(sk, iml, sizeof(*iml));
- return 0;
- }
+ rtnl_unlock();
+ sock_kfree_s(sk, iml, sizeof(*iml));
+ return 0;
}
+ if (!in_dev)
+ ret = -ENODEV;
rtnl_unlock();
- return -EADDRNOTAVAIL;
+ return ret;
}
int ip_mc_source(int add, int omode, struct sock *sk, struct
@@ -2199,13 +2205,13 @@ void ip_mc_drop_socket(struct sock *sk)
struct in_device *in_dev;
inet->mc_list = iml->next;
- if ((in_dev = inetdev_by_index(iml->multi.imr_ifindex)) != NULL) {
- (void) ip_mc_leave_src(sk, iml, in_dev);
+ in_dev = inetdev_by_index(iml->multi.imr_ifindex);
+ (void) ip_mc_leave_src(sk, iml, in_dev);
+ if (in_dev != NULL) {
ip_mc_dec_group(in_dev, iml->multi.imr_multiaddr.s_addr);
in_dev_put(in_dev);
}
sock_kfree_s(sk, iml, sizeof(*iml));
-
}
rtnl_unlock();
}
diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
index 7c9f9a6421b8..4c20f5546893 100644
--- a/net/ipv4/ip_output.c
+++ b/net/ipv4/ip_output.c
@@ -526,6 +526,8 @@ int ip_fragment(struct sk_buff *skb, int (*output)(struct sk_buff*))
err = output(skb);
+ if (!err)
+ IP_INC_STATS(IPSTATS_MIB_FRAGCREATES);
if (err || !frag)
break;
@@ -649,9 +651,6 @@ slow_path:
/*
* Put this fragment into the sending queue.
*/
-
- IP_INC_STATS(IPSTATS_MIB_FRAGCREATES);
-
iph->tot_len = htons(len + hlen);
ip_send_check(iph);
@@ -659,6 +658,8 @@ slow_path:
err = output(skb2);
if (err)
goto fail;
+
+ IP_INC_STATS(IPSTATS_MIB_FRAGCREATES);
}
kfree_skb(skb);
IP_INC_STATS(IPSTATS_MIB_FRAGOKS);
@@ -946,7 +947,7 @@ alloc_new_skb:
skb_prev->csum = csum_sub(skb_prev->csum,
skb->csum);
data += fraggap;
- skb_trim(skb_prev, maxfraglen);
+ pskb_trim_unique(skb_prev, maxfraglen);
}
copy = datalen - transhdrlen - fraggap;
@@ -1141,7 +1142,7 @@ ssize_t ip_append_page(struct sock *sk, struct page *page,
data, fraggap, 0);
skb_prev->csum = csum_sub(skb_prev->csum,
skb->csum);
- skb_trim(skb_prev, maxfraglen);
+ pskb_trim_unique(skb_prev, maxfraglen);
}
/*
diff --git a/net/ipv4/ip_sockglue.c b/net/ipv4/ip_sockglue.c
index 84f43a3c9098..2d05c4133d3e 100644
--- a/net/ipv4/ip_sockglue.c
+++ b/net/ipv4/ip_sockglue.c
@@ -112,14 +112,19 @@ static void ip_cmsg_recv_retopts(struct msghdr *msg, struct sk_buff *skb)
static void ip_cmsg_recv_security(struct msghdr *msg, struct sk_buff *skb)
{
char *secdata;
- u32 seclen;
+ u32 seclen, secid;
int err;
- err = security_socket_getpeersec_dgram(skb, &secdata, &seclen);
+ err = security_socket_getpeersec_dgram(NULL, skb, &secid);
+ if (err)
+ return;
+
+ err = security_secid_to_secctx(secid, &secdata, &seclen);
if (err)
return;
put_cmsg(msg, SOL_IP, SCM_SECURITY, seclen, secdata);
+ security_release_secctx(secdata, seclen);
}
diff --git a/net/ipv4/netfilter/arp_tables.c b/net/ipv4/netfilter/arp_tables.c
index 80c73ca90116..8d1d7a6e72a5 100644
--- a/net/ipv4/netfilter/arp_tables.c
+++ b/net/ipv4/netfilter/arp_tables.c
@@ -236,7 +236,7 @@ unsigned int arpt_do_table(struct sk_buff **pskb,
struct arpt_entry *e, *back;
const char *indev, *outdev;
void *table_base;
- struct xt_table_info *private = table->private;
+ struct xt_table_info *private;
/* ARP header, plus 2 device addresses, plus 2 IP addresses. */
if (!pskb_may_pull((*pskb), (sizeof(struct arphdr) +
@@ -248,6 +248,7 @@ unsigned int arpt_do_table(struct sk_buff **pskb,
outdev = out ? out->name : nulldevname;
read_lock_bh(&table->lock);
+ private = table->private;
table_base = (void *)private->entries[smp_processor_id()];
e = get_entry(table_base, private->hook_entry[hook]);
back = get_entry(table_base, private->underflow[hook]);
@@ -1170,21 +1171,34 @@ static int __init arp_tables_init(void)
{
int ret;
- xt_proto_init(NF_ARP);
+ ret = xt_proto_init(NF_ARP);
+ if (ret < 0)
+ goto err1;
/* Noone else will be downing sem now, so we won't sleep */
- xt_register_target(&arpt_standard_target);
- xt_register_target(&arpt_error_target);
+ ret = xt_register_target(&arpt_standard_target);
+ if (ret < 0)
+ goto err2;
+ ret = xt_register_target(&arpt_error_target);
+ if (ret < 0)
+ goto err3;
/* Register setsockopt */
ret = nf_register_sockopt(&arpt_sockopts);
- if (ret < 0) {
- duprintf("Unable to register sockopts.\n");
- return ret;
- }
+ if (ret < 0)
+ goto err4;
printk("arp_tables: (C) 2002 David S. Miller\n");
return 0;
+
+err4:
+ xt_unregister_target(&arpt_error_target);
+err3:
+ xt_unregister_target(&arpt_standard_target);
+err2:
+ xt_proto_fini(NF_ARP);
+err1:
+ return ret;
}
static void __exit arp_tables_fini(void)
diff --git a/net/ipv4/netfilter/ip_conntrack_netlink.c b/net/ipv4/netfilter/ip_conntrack_netlink.c
index 33891bb1fde4..0d4cc92391fa 100644
--- a/net/ipv4/netfilter/ip_conntrack_netlink.c
+++ b/net/ipv4/netfilter/ip_conntrack_netlink.c
@@ -415,21 +415,18 @@ ctnetlink_dump_table(struct sk_buff *skb, struct netlink_callback *cb)
cb->args[0], *id);
read_lock_bh(&ip_conntrack_lock);
+ last = (struct ip_conntrack *)cb->args[1];
for (; cb->args[0] < ip_conntrack_htable_size; cb->args[0]++) {
restart:
- last = (struct ip_conntrack *)cb->args[1];
list_for_each_prev(i, &ip_conntrack_hash[cb->args[0]]) {
h = (struct ip_conntrack_tuple_hash *) i;
if (DIRECTION(h) != IP_CT_DIR_ORIGINAL)
continue;
ct = tuplehash_to_ctrack(h);
- if (last != NULL) {
- if (ct == last) {
- ip_conntrack_put(last);
- cb->args[1] = 0;
- last = NULL;
- } else
+ if (cb->args[1]) {
+ if (ct != last)
continue;
+ cb->args[1] = 0;
}
if (ctnetlink_fill_info(skb, NETLINK_CB(cb->skb).pid,
cb->nlh->nlmsg_seq,
@@ -440,17 +437,17 @@ restart:
goto out;
}
}
- if (last != NULL) {
- ip_conntrack_put(last);
+ if (cb->args[1]) {
cb->args[1] = 0;
goto restart;
}
}
out:
read_unlock_bh(&ip_conntrack_lock);
+ if (last)
+ ip_conntrack_put(last);
DEBUGP("leaving, last bucket=%lu id=%u\n", cb->args[0], *id);
-
return skb->len;
}
diff --git a/net/ipv4/netfilter/ip_conntrack_sip.c b/net/ipv4/netfilter/ip_conntrack_sip.c
index fc87ce0da40d..4f222d6be009 100644
--- a/net/ipv4/netfilter/ip_conntrack_sip.c
+++ b/net/ipv4/netfilter/ip_conntrack_sip.c
@@ -442,7 +442,7 @@ static int __init init(void)
sip[i].tuple.src.u.udp.port = htons(ports[i]);
sip[i].mask.src.u.udp.port = 0xFFFF;
sip[i].mask.dst.protonum = 0xFF;
- sip[i].max_expected = 1;
+ sip[i].max_expected = 2;
sip[i].timeout = 3 * 60; /* 3 minutes */
sip[i].me = THIS_MODULE;
sip[i].help = sip_help;
diff --git a/net/ipv4/netfilter/ip_tables.c b/net/ipv4/netfilter/ip_tables.c
index fc5bdd5eb7d3..048514f15f2f 100644
--- a/net/ipv4/netfilter/ip_tables.c
+++ b/net/ipv4/netfilter/ip_tables.c
@@ -230,7 +230,7 @@ ipt_do_table(struct sk_buff **pskb,
const char *indev, *outdev;
void *table_base;
struct ipt_entry *e, *back;
- struct xt_table_info *private = table->private;
+ struct xt_table_info *private;
/* Initialization */
ip = (*pskb)->nh.iph;
@@ -247,6 +247,7 @@ ipt_do_table(struct sk_buff **pskb,
read_lock_bh(&table->lock);
IP_NF_ASSERT(table->valid_hooks & (1 << hook));
+ private = table->private;
table_base = (void *)private->entries[smp_processor_id()];
e = get_entry(table_base, private->hook_entry[hook]);
@@ -2239,22 +2240,39 @@ static int __init ip_tables_init(void)
{
int ret;
- xt_proto_init(AF_INET);
+ ret = xt_proto_init(AF_INET);
+ if (ret < 0)
+ goto err1;
/* Noone else will be downing sem now, so we won't sleep */
- xt_register_target(&ipt_standard_target);
- xt_register_target(&ipt_error_target);
- xt_register_match(&icmp_matchstruct);
+ ret = xt_register_target(&ipt_standard_target);
+ if (ret < 0)
+ goto err2;
+ ret = xt_register_target(&ipt_error_target);
+ if (ret < 0)
+ goto err3;
+ ret = xt_register_match(&icmp_matchstruct);
+ if (ret < 0)
+ goto err4;
/* Register setsockopt */
ret = nf_register_sockopt(&ipt_sockopts);
- if (ret < 0) {
- duprintf("Unable to register sockopts.\n");
- return ret;
- }
+ if (ret < 0)
+ goto err5;
printk("ip_tables: (C) 2000-2006 Netfilter Core Team\n");
return 0;
+
+err5:
+ xt_unregister_match(&icmp_matchstruct);
+err4:
+ xt_unregister_target(&ipt_error_target);
+err3:
+ xt_unregister_target(&ipt_standard_target);
+err2:
+ xt_proto_fini(AF_INET);
+err1:
+ return ret;
}
static void __exit ip_tables_fini(void)
diff --git a/net/ipv4/netfilter/ipt_ULOG.c b/net/ipv4/netfilter/ipt_ULOG.c
index d7dd7fe7051c..d46fd677fa11 100644
--- a/net/ipv4/netfilter/ipt_ULOG.c
+++ b/net/ipv4/netfilter/ipt_ULOG.c
@@ -115,6 +115,11 @@ static void ulog_send(unsigned int nlgroupnum)
del_timer(&ub->timer);
}
+ if (!ub->skb) {
+ DEBUGP("ipt_ULOG: ulog_send: nothing to send\n");
+ return;
+ }
+
/* last nlmsg needs NLMSG_DONE */
if (ub->qlen > 1)
ub->lastnlh->nlmsg_type = NLMSG_DONE;
diff --git a/net/ipv4/netfilter/ipt_hashlimit.c b/net/ipv4/netfilter/ipt_hashlimit.c
index 92980ab8ce48..3bd2368e1fc9 100644
--- a/net/ipv4/netfilter/ipt_hashlimit.c
+++ b/net/ipv4/netfilter/ipt_hashlimit.c
@@ -454,15 +454,12 @@ hashlimit_match(const struct sk_buff *skb,
dh->rateinfo.credit_cap = user2credits(hinfo->cfg.avg *
hinfo->cfg.burst);
dh->rateinfo.cost = user2credits(hinfo->cfg.avg);
-
- spin_unlock_bh(&hinfo->lock);
- return 1;
+ } else {
+ /* update expiration timeout */
+ dh->expires = now + msecs_to_jiffies(hinfo->cfg.expire);
+ rateinfo_recalc(dh, now);
}
- /* update expiration timeout */
- dh->expires = now + msecs_to_jiffies(hinfo->cfg.expire);
-
- rateinfo_recalc(dh, now);
if (dh->rateinfo.credit >= dh->rateinfo.cost) {
/* We're underlimit. */
dh->rateinfo.credit -= dh->rateinfo.cost;
@@ -508,6 +505,9 @@ hashlimit_checkentry(const char *tablename,
if (!r->cfg.expire)
return 0;
+ if (r->name[sizeof(r->name) - 1] != '\0')
+ return 0;
+
/* This is the best we've got: We cannot release and re-grab lock,
* since checkentry() is called before ip_tables.c grabs ipt_mutex.
* We also cannot grab the hashtable spinlock, since htable_create will
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 2dc6dbb28467..b873cbcdd0b8 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -104,6 +104,7 @@
#include <net/icmp.h>
#include <net/xfrm.h>
#include <net/ip_mp_alg.h>
+#include <net/netevent.h>
#ifdef CONFIG_SYSCTL
#include <linux/sysctl.h>
#endif
@@ -1125,6 +1126,7 @@ void ip_rt_redirect(u32 old_gw, u32 daddr, u32 new_gw,
struct rtable *rth, **rthp;
u32 skeys[2] = { saddr, 0 };
int ikeys[2] = { dev->ifindex, 0 };
+ struct netevent_redirect netevent;
if (!in_dev)
return;
@@ -1216,6 +1218,11 @@ void ip_rt_redirect(u32 old_gw, u32 daddr, u32 new_gw,
rt_drop(rt);
goto do_next;
}
+
+ netevent.old = &rth->u.dst;
+ netevent.new = &rt->u.dst;
+ call_netevent_notifiers(NETEVENT_REDIRECT,
+ &netevent);
rt_del(hash, rth);
if (!rt_intern_hash(hash, rt, &rt))
@@ -1452,6 +1459,7 @@ static void ip_rt_update_pmtu(struct dst_entry *dst, u32 mtu)
}
dst->metrics[RTAX_MTU-1] = mtu;
dst_set_expires(dst, ip_rt_mtu_expires);
+ call_netevent_notifiers(NETEVENT_PMTU_UPDATE, dst);
}
}
@@ -3149,7 +3157,7 @@ int __init ip_rt_init(void)
rhash_entries,
(num_physpages >= 128 * 1024) ?
15 : 17,
- HASH_HIGHMEM,
+ 0,
&rt_hash_log,
&rt_hash_mask,
0);
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index f6a2d9223d07..934396bb1376 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -1132,7 +1132,7 @@ int tcp_recvmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
tp->ucopy.dma_chan = NULL;
preempt_disable();
if ((len > sysctl_tcp_dma_copybreak) && !(flags & MSG_PEEK) &&
- !sysctl_tcp_low_latency && __get_cpu_var(softnet_data.net_dma)) {
+ !sysctl_tcp_low_latency && __get_cpu_var(softnet_data).net_dma) {
preempt_enable_no_resched();
tp->ucopy.pinned_list = dma_pin_iovec_pages(msg->msg_iov, len);
} else
@@ -1659,7 +1659,8 @@ adjudge_to_death:
const int tmo = tcp_fin_time(sk);
if (tmo > TCP_TIMEWAIT_LEN) {
- inet_csk_reset_keepalive_timer(sk, tcp_fin_time(sk));
+ inet_csk_reset_keepalive_timer(sk,
+ tmo - TCP_TIMEWAIT_LEN);
} else {
tcp_time_wait(sk, TCP_FIN_WAIT2, tmo);
goto out;
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index 738dad9f7d49..104af5d5bcbc 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -3541,7 +3541,8 @@ void tcp_cwnd_application_limited(struct sock *sk)
if (inet_csk(sk)->icsk_ca_state == TCP_CA_Open &&
sk->sk_socket && !test_bit(SOCK_NOSPACE, &sk->sk_socket->flags)) {
/* Limited by application or receiver window. */
- u32 win_used = max(tp->snd_cwnd_used, 2U);
+ u32 init_win = tcp_init_cwnd(tp, __sk_dst_get(sk));
+ u32 win_used = max(tp->snd_cwnd_used, init_win);
if (win_used < tp->snd_cwnd) {
tp->snd_ssthresh = tcp_current_ssthresh(sk);
tp->snd_cwnd = (tp->snd_cwnd + win_used) >> 1;
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index f6f39e814291..4b04c3edd4a9 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -438,7 +438,6 @@ void tcp_v4_err(struct sk_buff *skb, u32 info)
It can f.e. if SYNs crossed.
*/
if (!sock_owned_by_user(sk)) {
- TCP_INC_STATS_BH(TCP_MIB_ATTEMPTFAILS);
sk->sk_err = err;
sk->sk_error_report(sk);
@@ -874,7 +873,6 @@ int tcp_v4_conn_request(struct sock *sk, struct sk_buff *skb)
drop_and_free:
reqsk_free(req);
drop:
- TCP_INC_STATS_BH(TCP_MIB_ATTEMPTFAILS);
return 0;
}
diff --git a/net/ipv4/tcp_minisocks.c b/net/ipv4/tcp_minisocks.c
index 0ccb7cb22b15..624e2b2c7f53 100644
--- a/net/ipv4/tcp_minisocks.c
+++ b/net/ipv4/tcp_minisocks.c
@@ -589,8 +589,10 @@ struct sock *tcp_check_req(struct sock *sk,struct sk_buff *skb,
/* RFC793: "second check the RST bit" and
* "fourth, check the SYN bit"
*/
- if (flg & (TCP_FLAG_RST|TCP_FLAG_SYN))
+ if (flg & (TCP_FLAG_RST|TCP_FLAG_SYN)) {
+ TCP_INC_STATS_BH(TCP_MIB_ATTEMPTFAILS);
goto embryonic_reset;
+ }
/* ACK sequence verified above, just make sure ACK is
* set. If ACK not set, just silently drop the packet.
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index 5c08ea20a18d..b4f3ffe1b3b4 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -201,6 +201,7 @@ void tcp_select_initial_window(int __space, __u32 mss,
* See RFC1323 for an explanation of the limit to 14
*/
space = max_t(u32, sysctl_tcp_rmem[2], sysctl_rmem_max);
+ space = min_t(u32, space, *window_clamp);
while (space > 65535 && (*rcv_wscale) < 14) {
space >>= 1;
(*rcv_wscale)++;
@@ -466,7 +467,8 @@ static int tcp_transmit_skb(struct sock *sk, struct sk_buff *skb, int clone_it,
if (skb->len != tcp_header_size)
tcp_event_data_sent(tp, skb, sk);
- TCP_INC_STATS(TCP_MIB_OUTSEGS);
+ if (after(tcb->end_seq, tp->snd_nxt) || tcb->seq == tcb->end_seq)
+ TCP_INC_STATS(TCP_MIB_OUTSEGS);
err = icsk->icsk_af_ops->queue_xmit(skb, 0);
if (likely(err <= 0))
@@ -2157,10 +2159,9 @@ int tcp_connect(struct sock *sk)
skb_shinfo(buff)->gso_size = 0;
skb_shinfo(buff)->gso_type = 0;
buff->csum = 0;
+ tp->snd_nxt = tp->write_seq;
TCP_SKB_CB(buff)->seq = tp->write_seq++;
TCP_SKB_CB(buff)->end_seq = tp->write_seq;
- tp->snd_nxt = tp->write_seq;
- tp->pushed_seq = tp->write_seq;
/* Send it off. */
TCP_SKB_CB(buff)->when = tcp_time_stamp;
@@ -2170,6 +2171,12 @@ int tcp_connect(struct sock *sk)
sk_charge_skb(sk, buff);
tp->packets_out += tcp_skb_pcount(buff);
tcp_transmit_skb(sk, buff, 1, GFP_KERNEL);
+
+ /* We change tp->snd_nxt after the tcp_transmit_skb() call
+ * in order to make this packet get counted in tcpOutSegs.
+ */
+ tp->snd_nxt = tp->write_seq;
+ tp->pushed_seq = tp->write_seq;
TCP_INC_STATS(TCP_MIB_ACTIVEOPENS);
/* Timer for repeating the SYN until an answer. */
diff --git a/net/ipv4/tcp_probe.c b/net/ipv4/tcp_probe.c
index d7d517a3a238..dab37d2f65fc 100644
--- a/net/ipv4/tcp_probe.c
+++ b/net/ipv4/tcp_probe.c
@@ -114,7 +114,7 @@ static int tcpprobe_open(struct inode * inode, struct file * file)
static ssize_t tcpprobe_read(struct file *file, char __user *buf,
size_t len, loff_t *ppos)
{
- int error = 0, cnt;
+ int error = 0, cnt = 0;
unsigned char *tbuf;
if (!buf || len < 0)
@@ -130,11 +130,12 @@ static ssize_t tcpprobe_read(struct file *file, char __user *buf,
error = wait_event_interruptible(tcpw.wait,
__kfifo_len(tcpw.fifo) != 0);
if (error)
- return error;
+ goto out_free;
cnt = kfifo_get(tcpw.fifo, tbuf, len);
error = copy_to_user(buf, tbuf, cnt);
+out_free:
vfree(tbuf);
return error ? error : cnt;
generated by cgit v1.2.3 (git 2.0.4) at 2024-11-19 14:42:10 +0000