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path: root/net/ipv4/inet_connection_sock.c
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Diffstat (limited to 'net/ipv4/inet_connection_sock.c')
-rw-r--r--net/ipv4/inet_connection_sock.c45
1 files changed, 13 insertions, 32 deletions
diff --git a/net/ipv4/inet_connection_sock.c b/net/ipv4/inet_connection_sock.c
index b189278c7bc1..828ea211ff21 100644
--- a/net/ipv4/inet_connection_sock.c
+++ b/net/ipv4/inet_connection_sock.c
@@ -55,6 +55,13 @@ int inet_csk_bind_conflict(const struct sock *sk,
struct hlist_node *node;
int reuse = sk->sk_reuse;
+ /*
+ * Unlike other sk lookup places we do not check
+ * for sk_net here, since _all_ the socks listed
+ * in tb->owners list belong to the same net - the
+ * one this bucket belongs to.
+ */
+
sk_for_each_bound(sk2, node, &tb->owners) {
if (sk != sk2 &&
!inet_v6_ipv6only(sk2) &&
@@ -80,12 +87,12 @@ EXPORT_SYMBOL_GPL(inet_csk_bind_conflict);
*/
int inet_csk_get_port(struct sock *sk, unsigned short snum)
{
- struct inet_hashinfo *hashinfo = sk->sk_prot->hashinfo;
+ struct inet_hashinfo *hashinfo = sk->sk_prot->h.hashinfo;
struct inet_bind_hashbucket *head;
struct hlist_node *node;
struct inet_bind_bucket *tb;
int ret;
- struct net *net = sk->sk_net;
+ struct net *net = sock_net(sk);
local_bh_disable();
if (!snum) {
@@ -133,8 +140,6 @@ int inet_csk_get_port(struct sock *sk, unsigned short snum)
goto tb_not_found;
tb_found:
if (!hlist_empty(&tb->owners)) {
- if (sk->sk_reuse > 1)
- goto success;
if (tb->fastreuse > 0 &&
sk->sk_reuse && sk->sk_state != TCP_LISTEN) {
goto success;
@@ -333,7 +338,7 @@ struct dst_entry* inet_csk_route_req(struct sock *sk,
.dport = ireq->rmt_port } } };
security_req_classify_flow(req, &fl);
- if (ip_route_output_flow(&init_net, &rt, &fl, sk, 0)) {
+ if (ip_route_output_flow(sock_net(sk), &rt, &fl, sk, 0)) {
IP_INC_STATS_BH(IPSTATS_MIB_OUTNOROUTES);
return NULL;
}
@@ -414,8 +419,7 @@ void inet_csk_reqsk_queue_prune(struct sock *parent,
struct inet_connection_sock *icsk = inet_csk(parent);
struct request_sock_queue *queue = &icsk->icsk_accept_queue;
struct listen_sock *lopt = queue->listen_opt;
- int max_retries = icsk->icsk_syn_retries ? : sysctl_tcp_synack_retries;
- int thresh = max_retries;
+ int thresh = icsk->icsk_syn_retries ? : sysctl_tcp_synack_retries;
unsigned long now = jiffies;
struct request_sock **reqp, *req;
int i, budget;
@@ -451,9 +455,6 @@ void inet_csk_reqsk_queue_prune(struct sock *parent,
}
}
- if (queue->rskq_defer_accept)
- max_retries = queue->rskq_defer_accept;
-
budget = 2 * (lopt->nr_table_entries / (timeout / interval));
i = lopt->clock_hand;
@@ -461,9 +462,8 @@ void inet_csk_reqsk_queue_prune(struct sock *parent,
reqp=&lopt->syn_table[i];
while ((req = *reqp) != NULL) {
if (time_after_eq(now, req->expires)) {
- if ((req->retrans < thresh ||
- (inet_rsk(req)->acked && req->retrans < max_retries))
- && !req->rsk_ops->rtx_syn_ack(parent, req, NULL)) {
+ if (req->retrans < thresh &&
+ !req->rsk_ops->rtx_syn_ack(parent, req)) {
unsigned long timeo;
if (req->retrans++ == 0)
@@ -656,25 +656,6 @@ void inet_csk_addr2sockaddr(struct sock *sk, struct sockaddr *uaddr)
EXPORT_SYMBOL_GPL(inet_csk_addr2sockaddr);
-int inet_csk_ctl_sock_create(struct socket **sock, unsigned short family,
- unsigned short type, unsigned char protocol)
-{
- int rc = sock_create_kern(family, type, protocol, sock);
-
- if (rc == 0) {
- (*sock)->sk->sk_allocation = GFP_ATOMIC;
- inet_sk((*sock)->sk)->uc_ttl = -1;
- /*
- * Unhash it so that IP input processing does not even see it,
- * we do not wish this socket to see incoming packets.
- */
- (*sock)->sk->sk_prot->unhash((*sock)->sk);
- }
- return rc;
-}
-
-EXPORT_SYMBOL_GPL(inet_csk_ctl_sock_create);
-
#ifdef CONFIG_COMPAT
int inet_csk_compat_getsockopt(struct sock *sk, int level, int optname,
char __user *optval, int __user *optlen)