diff options
Diffstat (limited to 'net/ipv6/tcp_ipv6.c')
-rw-r--r-- | net/ipv6/tcp_ipv6.c | 54 |
1 files changed, 30 insertions, 24 deletions
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c index 006396e31cb0..711d209f9124 100644 --- a/net/ipv6/tcp_ipv6.c +++ b/net/ipv6/tcp_ipv6.c @@ -66,7 +66,7 @@ #include <linux/proc_fs.h> #include <linux/seq_file.h> -#include <linux/crypto.h> +#include <crypto/hash.h> #include <linux/scatterlist.h> static void tcp_v6_send_reset(const struct sock *sk, struct sk_buff *skb); @@ -327,6 +327,7 @@ static void tcp_v6_err(struct sk_buff *skb, struct inet6_skb_parm *opt, struct tcp_sock *tp; __u32 seq, snd_una; struct sock *sk; + bool fatal; int err; sk = __inet6_lookup_established(net, &tcp_hashinfo, @@ -345,8 +346,9 @@ static void tcp_v6_err(struct sk_buff *skb, struct inet6_skb_parm *opt, return; } seq = ntohl(th->seq); + fatal = icmpv6_err_convert(type, code, &err); if (sk->sk_state == TCP_NEW_SYN_RECV) - return tcp_req_err(sk, seq); + return tcp_req_err(sk, seq, fatal); bh_lock_sock(sk); if (sock_owned_by_user(sk) && type != ICMPV6_PKT_TOOBIG) @@ -400,7 +402,6 @@ static void tcp_v6_err(struct sk_buff *skb, struct inet6_skb_parm *opt, goto out; } - icmpv6_err_convert(type, code, &err); /* Might be for an request_sock */ switch (sk->sk_state) { @@ -540,7 +541,8 @@ static int tcp_v6_md5_hash_pseudoheader(struct tcp_md5sig_pool *hp, bp->len = cpu_to_be32(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_v6_md5_hash_hdr(char *md5_hash, struct tcp_md5sig_key *key, @@ -548,14 +550,14 @@ static int tcp_v6_md5_hash_hdr(char *md5_hash, struct tcp_md5sig_key *key, 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_v6_md5_hash_pseudoheader(hp, daddr, saddr, th->doff << 2)) goto clear_hash; @@ -563,7 +565,8 @@ static int tcp_v6_md5_hash_hdr(char *md5_hash, 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(); @@ -583,7 +586,7 @@ static int tcp_v6_md5_hash_skb(char *md5_hash, { const struct in6_addr *saddr, *daddr; struct tcp_md5sig_pool *hp; - struct hash_desc *desc; + struct ahash_request *req; const struct tcphdr *th = tcp_hdr(skb); if (sk) { /* valid for establish/request sockets */ @@ -598,9 +601,9 @@ static int tcp_v6_md5_hash_skb(char *md5_hash, 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_v6_md5_hash_pseudoheader(hp, daddr, saddr, skb->len)) @@ -611,7 +614,8 @@ static int tcp_v6_md5_hash_skb(char *md5_hash, 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(); @@ -866,7 +870,8 @@ static void tcp_v6_send_reset(const struct sock *sk, struct sk_buff *skb) * no RST generated if md5 hash doesn't match. */ sk1 = inet6_lookup_listener(dev_net(skb_dst(skb)->dev), - &tcp_hashinfo, &ipv6h->saddr, + &tcp_hashinfo, NULL, 0, + &ipv6h->saddr, th->source, &ipv6h->daddr, ntohs(th->source), tcp_v6_iif(skb)); if (!sk1) @@ -1375,8 +1380,8 @@ static int tcp_v6_rcv(struct sk_buff *skb) hdr = ipv6_hdr(skb); lookup: - sk = __inet6_lookup_skb(&tcp_hashinfo, skb, th->source, th->dest, - inet6_iif(skb)); + sk = __inet6_lookup_skb(&tcp_hashinfo, skb, __tcp_hdrlen(th), + th->source, th->dest, inet6_iif(skb)); if (!sk) goto no_tcp_socket; @@ -1386,7 +1391,7 @@ process: if (sk->sk_state == TCP_NEW_SYN_RECV) { struct request_sock *req = inet_reqsk(sk); - struct sock *nsk = NULL; + struct sock *nsk; sk = req->rsk_listener; tcp_v6_fill_cb(skb, hdr, th); @@ -1394,24 +1399,24 @@ process: reqsk_put(req); goto discard_it; } - if (likely(sk->sk_state == TCP_LISTEN)) { - nsk = tcp_check_req(sk, skb, req, false); - } else { + if (unlikely(sk->sk_state != TCP_LISTEN)) { inet_csk_reqsk_queue_drop_and_put(sk, req); goto lookup; } + sock_hold(sk); + nsk = tcp_check_req(sk, skb, req, false); if (!nsk) { reqsk_put(req); - goto discard_it; + goto discard_and_relse; } if (nsk == sk) { - sock_hold(sk); reqsk_put(req); tcp_v6_restore_cb(skb); } else if (tcp_child_process(sk, nsk, skb)) { tcp_v6_send_reset(nsk, skb); - goto discard_it; + goto discard_and_relse; } else { + sock_put(sk); return 0; } } @@ -1441,7 +1446,7 @@ 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)) @@ -1500,6 +1505,7 @@ do_time_wait: struct sock *sk2; sk2 = inet6_lookup_listener(dev_net(skb->dev), &tcp_hashinfo, + skb, __tcp_hdrlen(th), &ipv6_hdr(skb)->saddr, th->source, &ipv6_hdr(skb)->daddr, ntohs(th->dest), tcp_v6_iif(skb)); @@ -1865,7 +1871,7 @@ struct proto tcpv6_prot = { .sendpage = tcp_sendpage, .backlog_rcv = tcp_v6_do_rcv, .release_cb = tcp_release_cb, - .hash = inet_hash, + .hash = inet6_hash, .unhash = inet_unhash, .get_port = inet_csk_get_port, .enter_memory_pressure = tcp_enter_memory_pressure, |