diff options
| author | Octavian Purdila <octavian.purdila@intel.com> | 2014-06-25 17:09:53 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2014-06-27 15:53:35 -0700 |
| commit | 16bea70aa7302b6f3bf3502d5a0efb4ea2ce4712 (patch) | |
| tree | c4ea18d24ad49b0ebb47211e810dd50e1b67f404 /net/ipv4/tcp_ipv4.c | |
| parent | 476eab8251641ea2ae4666ca8a1436ebc2b8e9c3 (diff) | |
tcp: add init_req method to tcp_request_sock_ops
Move the specific IPv4/IPv6 intializations to a new method in
tcp_request_sock_ops in preparation for unifying tcp_v4_conn_request
and tcp_v6_conn_request.
Signed-off-by: Octavian Purdila <octavian.purdila@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/tcp_ipv4.c')
| -rw-r--r-- | net/ipv4/tcp_ipv4.c | 29 |
1 files changed, 17 insertions, 12 deletions
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c index 145f6402c560..f86a86b30d20 100644 --- a/net/ipv4/tcp_ipv4.c +++ b/net/ipv4/tcp_ipv4.c @@ -1237,6 +1237,17 @@ static bool tcp_v4_inbound_md5_hash(struct sock *sk, const struct sk_buff *skb) #endif +static void tcp_v4_init_req(struct request_sock *req, struct sock *sk, + struct sk_buff *skb) +{ + struct inet_request_sock *ireq = inet_rsk(req); + + ireq->ir_loc_addr = ip_hdr(skb)->daddr; + ireq->ir_rmt_addr = ip_hdr(skb)->saddr; + ireq->no_srccheck = inet_sk(sk)->transparent; + ireq->opt = tcp_v4_save_options(skb); +} + struct request_sock_ops tcp_request_sock_ops __read_mostly = { .family = PF_INET, .obj_size = sizeof(struct tcp_request_sock), @@ -1247,26 +1258,26 @@ struct request_sock_ops tcp_request_sock_ops __read_mostly = { .syn_ack_timeout = tcp_syn_ack_timeout, }; -#ifdef CONFIG_TCP_MD5SIG static const struct tcp_request_sock_ops tcp_request_sock_ipv4_ops = { +#ifdef CONFIG_TCP_MD5SIG .md5_lookup = tcp_v4_reqsk_md5_lookup, .calc_md5_hash = tcp_v4_md5_hash_skb, -}; #endif + .init_req = tcp_v4_init_req, +}; int tcp_v4_conn_request(struct sock *sk, struct sk_buff *skb) { struct tcp_options_received tmp_opt; struct request_sock *req; - struct inet_request_sock *ireq; struct tcp_sock *tp = tcp_sk(sk); struct dst_entry *dst = NULL; __be32 saddr = ip_hdr(skb)->saddr; - __be32 daddr = ip_hdr(skb)->daddr; __u32 isn = TCP_SKB_CB(skb)->when; bool want_cookie = false, fastopen; struct flowi4 fl4; struct tcp_fastopen_cookie foc = { .len = -1 }; + const struct tcp_request_sock_ops *af_ops; int err; /* Never answer to SYNs send to broadcast or multicast */ @@ -1298,9 +1309,7 @@ int tcp_v4_conn_request(struct sock *sk, struct sk_buff *skb) if (!req) goto drop; -#ifdef CONFIG_TCP_MD5SIG - tcp_rsk(req)->af_specific = &tcp_request_sock_ipv4_ops; -#endif + af_ops = tcp_rsk(req)->af_specific = &tcp_request_sock_ipv4_ops; tcp_clear_options(&tmp_opt); tmp_opt.mss_clamp = TCP_MSS_DEFAULT; @@ -1313,11 +1322,7 @@ int tcp_v4_conn_request(struct sock *sk, struct sk_buff *skb) tmp_opt.tstamp_ok = tmp_opt.saw_tstamp; tcp_openreq_init(req, &tmp_opt, skb, sk); - ireq = inet_rsk(req); - ireq->ir_loc_addr = daddr; - ireq->ir_rmt_addr = saddr; - ireq->no_srccheck = inet_sk(sk)->transparent; - ireq->opt = tcp_v4_save_options(skb); + af_ops->init_req(req, sk, skb); if (security_inet_conn_request(sk, skb, req)) goto drop_and_free; |