Linux-libre 4.6.2-gnu

1 files changed, 30 insertions, 16 deletions

diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index b8f3908dd..dfd153fbd 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -82,7 +82,7 @@
 #include <linux/proc_fs.h>
 #include <linux/seq_file.h>
 
-#include <linux/crypto.h>
+#include <crypto/hash.h>
 #include <linux/scatterlist.h>
 
 int sysctl_tcp_tw_reuse __read_mostly;
@@ -656,8 +656,8 @@ static void tcp_v4_send_reset(const struct sock *sk, struct sk_buff *skb)
 		 * Incoming packet is checked with md5 hash with finding key,
 		 * no RST generated if md5 hash doesn't match.
 		 */
-		sk1 = __inet_lookup_listener(net,
-					     &tcp_hashinfo, ip_hdr(skb)->saddr,
+		sk1 = __inet_lookup_listener(net, &tcp_hashinfo, NULL, 0,
+					     ip_hdr(skb)->saddr,
 					     th->source, ip_hdr(skb)->daddr,
 					     ntohs(th->source), inet_iif(skb));
 		/* don't send rst if it can't find key */
@@ -879,7 +879,6 @@ static void tcp_v4_reqsk_destructor(struct request_sock *req)
 	kfree(inet_rsk(req)->opt);
 }
 
-
 #ifdef CONFIG_TCP_MD5SIG
 /*
  * RFC2385 MD5 checksumming requires a mapping of
@@ -1053,21 +1052,22 @@ static int tcp_v4_md5_hash_pseudoheader(struct tcp_md5sig_pool *hp,
 	bp->len = cpu_to_be16(nbytes);
 
 	sg_init_one(&sg, bp, sizeof(*bp));
-	return crypto_hash_update(&hp->md5_desc, &sg, sizeof(*bp));
+	ahash_request_set_crypt(hp->md5_req, &sg, NULL, sizeof(*bp));
+	return crypto_ahash_update(hp->md5_req);
 }
 
 static int tcp_v4_md5_hash_hdr(char *md5_hash, const struct tcp_md5sig_key *key,
 			       __be32 daddr, __be32 saddr, const struct tcphdr *th)
 {
 	struct tcp_md5sig_pool *hp;
-	struct hash_desc *desc;
+	struct ahash_request *req;
 
 	hp = tcp_get_md5sig_pool();
 	if (!hp)
 		goto clear_hash_noput;
-	desc = &hp->md5_desc;
+	req = hp->md5_req;
 
-	if (crypto_hash_init(desc))
+	if (crypto_ahash_init(req))
 		goto clear_hash;
 	if (tcp_v4_md5_hash_pseudoheader(hp, daddr, saddr, th->doff << 2))
 		goto clear_hash;
@@ -1075,7 +1075,8 @@ static int tcp_v4_md5_hash_hdr(char *md5_hash, const struct tcp_md5sig_key *key,
 		goto clear_hash;
 	if (tcp_md5_hash_key(hp, key))
 		goto clear_hash;
-	if (crypto_hash_final(desc, md5_hash))
+	ahash_request_set_crypt(req, NULL, md5_hash, 0);
+	if (crypto_ahash_final(req))
 		goto clear_hash;
 
 	tcp_put_md5sig_pool();
@@ -1093,7 +1094,7 @@ int tcp_v4_md5_hash_skb(char *md5_hash, const struct tcp_md5sig_key *key,
 			const struct sk_buff *skb)
 {
 	struct tcp_md5sig_pool *hp;
-	struct hash_desc *desc;
+	struct ahash_request *req;
 	const struct tcphdr *th = tcp_hdr(skb);
 	__be32 saddr, daddr;
 
@@ -1109,9 +1110,9 @@ int tcp_v4_md5_hash_skb(char *md5_hash, const struct tcp_md5sig_key *key,
 	hp = tcp_get_md5sig_pool();
 	if (!hp)
 		goto clear_hash_noput;
-	desc = &hp->md5_desc;
+	req = hp->md5_req;
 
-	if (crypto_hash_init(desc))
+	if (crypto_ahash_init(req))
 		goto clear_hash;
 
 	if (tcp_v4_md5_hash_pseudoheader(hp, daddr, saddr, skb->len))
@@ -1122,7 +1123,8 @@ int tcp_v4_md5_hash_skb(char *md5_hash, const struct tcp_md5sig_key *key,
 		goto clear_hash;
 	if (tcp_md5_hash_key(hp, key))
 		goto clear_hash;
-	if (crypto_hash_final(desc, md5_hash))
+	ahash_request_set_crypt(req, NULL, md5_hash, 0);
+	if (crypto_ahash_final(req))
 		goto clear_hash;
 
 	tcp_put_md5sig_pool();
@@ -1612,7 +1614,8 @@ int tcp_v4_rcv(struct sk_buff *skb)
 	TCP_SKB_CB(skb)->sacked	 = 0;
 
 lookup:
-	sk = __inet_lookup_skb(&tcp_hashinfo, skb, th->source, th->dest);
+	sk = __inet_lookup_skb(&tcp_hashinfo, skb, __tcp_hdrlen(th), th->source,
+			       th->dest);
 	if (!sk)
 		goto no_tcp_socket;
 
@@ -1675,7 +1678,7 @@ process:
 	sk_incoming_cpu_update(sk);
 
 	bh_lock_sock_nested(sk);
-	tcp_sk(sk)->segs_in += max_t(u16, 1, skb_shinfo(skb)->gso_segs);
+	tcp_segs_in(tcp_sk(sk), skb);
 	ret = 0;
 	if (!sock_owned_by_user(sk)) {
 		if (!tcp_prequeue(sk, skb))
@@ -1728,7 +1731,8 @@ do_time_wait:
 	switch (tcp_timewait_state_process(inet_twsk(sk), skb, th)) {
 	case TCP_TW_SYN: {
 		struct sock *sk2 = inet_lookup_listener(dev_net(skb->dev),
-							&tcp_hashinfo,
+							&tcp_hashinfo, skb,
+							__tcp_hdrlen(th),
 							iph->saddr, th->source,
 							iph->daddr, th->dest,
 							inet_iif(skb));
@@ -2420,6 +2424,16 @@ static int __net_init tcp_sk_init(struct net *net)
 	net->ipv4.sysctl_tcp_keepalive_probes = TCP_KEEPALIVE_PROBES;
 	net->ipv4.sysctl_tcp_keepalive_intvl = TCP_KEEPALIVE_INTVL;
 
+	net->ipv4.sysctl_tcp_syn_retries = TCP_SYN_RETRIES;
+	net->ipv4.sysctl_tcp_synack_retries = TCP_SYNACK_RETRIES;
+	net->ipv4.sysctl_tcp_syncookies = 1;
+	net->ipv4.sysctl_tcp_reordering = TCP_FASTRETRANS_THRESH;
+	net->ipv4.sysctl_tcp_retries1 = TCP_RETR1;
+	net->ipv4.sysctl_tcp_retries2 = TCP_RETR2;
+	net->ipv4.sysctl_tcp_orphan_retries = 0;
+	net->ipv4.sysctl_tcp_fin_timeout = TCP_FIN_TIMEOUT;
+	net->ipv4.sysctl_tcp_notsent_lowat = UINT_MAX;
+
 	return 0;
 fail:
 	tcp_sk_exit(net);