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[NET] Rename open_request to request_sock

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Ok, this one just renames some stuff to have a better namespace and to
dissassociate it from TCP:

struct open_request  -> struct request_sock
tcp_openreq_alloc    -> reqsk_alloc
tcp_openreq_free     -> reqsk_free
tcp_openreq_fastfree -> __reqsk_free

With this most of the infrastructure closely resembles a struct
sock methods subset.

Signed-off-by: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Arnaldo Carvalho de Melo
2005-06-18 22:47:21 -07:00
committed by David S. Miller
parent 2e6599cb89
commit 60236fdd08
15 changed files with 117 additions and 117 deletions
Download Patch File Download Diff File Expand all files Collapse all files

56
net/ipv4/tcp_ipv4.c
View File

@@ -36,7 +36,7 @@
* ACK bit.
* Andi Kleen : Implemented fast path mtu discovery.
* Fixed many serious bugs in the
* open_request handling and moved
* request_sock handling and moved
* most of it into the af independent code.
* Added tail drop and some other bugfixes.
* Added new listen sematics.
@@ -869,13 +869,13 @@ static __inline__ u32 tcp_v4_synq_hash(u32 raddr, u16 rport, u32 rnd)
return (jhash_2words(raddr, (u32) rport, rnd) & (TCP_SYNQ_HSIZE - 1));
}
static struct open_request *tcp_v4_search_req(struct tcp_sock *tp,
struct open_request ***prevp,
static struct request_sock *tcp_v4_search_req(struct tcp_sock *tp,
struct request_sock ***prevp,
__u16 rport,
__u32 raddr, __u32 laddr)
{
struct tcp_listen_opt *lopt = tp->listen_opt;
struct open_request *req, **prev;
struct request_sock *req, **prev;
for (prev = &lopt->syn_table[tcp_v4_synq_hash(raddr, rport, lopt->hash_rnd)];
(req = *prev) != NULL;
@@ -885,7 +885,7 @@ static struct open_request *tcp_v4_search_req(struct tcp_sock *tp,
if (ireq->rmt_port == rport &&
ireq->rmt_addr == raddr &&
ireq->loc_addr == laddr &&
TCP_INET_FAMILY(req->class->family)) {
TCP_INET_FAMILY(req->rsk_ops->family)) {
BUG_TRAP(!req->sk);
*prevp = prev;
break;
@@ -895,7 +895,7 @@ static struct open_request *tcp_v4_search_req(struct tcp_sock *tp,
return req;
}
static void tcp_v4_synq_add(struct sock *sk, struct open_request *req)
static void tcp_v4_synq_add(struct sock *sk, struct request_sock *req)
{
struct tcp_sock *tp = tcp_sk(sk);
struct tcp_listen_opt *lopt = tp->listen_opt;
@@ -1052,7 +1052,7 @@ void tcp_v4_err(struct sk_buff *skb, u32 info)
}
switch (sk->sk_state) {
struct open_request *req, **prev;
struct request_sock *req, **prev;
case TCP_LISTEN:
if (sock_owned_by_user(sk))
goto out;
@@ -1256,14 +1256,14 @@ static void tcp_v4_timewait_ack(struct sock *sk, struct sk_buff *skb)
tcp_tw_put(tw);
}
static void tcp_v4_or_send_ack(struct sk_buff *skb, struct open_request *req)
static void tcp_v4_reqsk_send_ack(struct sk_buff *skb, struct request_sock *req)
{
tcp_v4_send_ack(skb, tcp_rsk(req)->snt_isn + 1, tcp_rsk(req)->rcv_isn + 1, req->rcv_wnd,
req->ts_recent);
}
static struct dst_entry* tcp_v4_route_req(struct sock *sk,
struct open_request *req)
struct request_sock *req)
{
struct rtable *rt;
const struct inet_request_sock *ireq = inet_rsk(req);
@@ -1294,10 +1294,10 @@ static struct dst_entry* tcp_v4_route_req(struct sock *sk,
/*
* Send a SYN-ACK after having received an ACK.
* This still operates on a open_request only, not on a big
* This still operates on a request_sock only, not on a big
* socket.
*/
static int tcp_v4_send_synack(struct sock *sk, struct open_request *req,
static int tcp_v4_send_synack(struct sock *sk, struct request_sock *req,
struct dst_entry *dst)
{
const struct inet_request_sock *ireq = inet_rsk(req);
@@ -1332,9 +1332,9 @@ out:
}
/*
* IPv4 open_request destructor.
* IPv4 request_sock destructor.
*/
static void tcp_v4_or_free(struct open_request *req)
static void tcp_v4_reqsk_destructor(struct request_sock *req)
{
if (inet_rsk(req)->opt)
kfree(inet_rsk(req)->opt);
@@ -1353,7 +1353,7 @@ static inline void syn_flood_warning(struct sk_buff *skb)
}
/*
* Save and compile IPv4 options into the open_request if needed.
* Save and compile IPv4 options into the request_sock if needed.
*/
static inline struct ip_options *tcp_v4_save_options(struct sock *sk,
struct sk_buff *skb)
@@ -1389,12 +1389,12 @@ static inline struct ip_options *tcp_v4_save_options(struct sock *sk,
*/
int sysctl_max_syn_backlog = 256;
struct or_calltable or_ipv4 = {
struct request_sock_ops tcp_request_sock_ops = {
.family = PF_INET,
.obj_size = sizeof(struct tcp_request_sock),
.rtx_syn_ack = tcp_v4_send_synack,
.send_ack = tcp_v4_or_send_ack,
.destructor = tcp_v4_or_free,
.send_ack = tcp_v4_reqsk_send_ack,
.destructor = tcp_v4_reqsk_destructor,
.send_reset = tcp_v4_send_reset,
};
@@ -1402,7 +1402,7 @@ int tcp_v4_conn_request(struct sock *sk, struct sk_buff *skb)
{
struct inet_request_sock *ireq;
struct tcp_options_received tmp_opt;
struct open_request *req;
struct request_sock *req;
__u32 saddr = skb->nh.iph->saddr;
__u32 daddr = skb->nh.iph->daddr;
__u32 isn = TCP_SKB_CB(skb)->when;
@@ -1439,7 +1439,7 @@ int tcp_v4_conn_request(struct sock *sk, struct sk_buff *skb)
if (sk_acceptq_is_full(sk) && tcp_synq_young(sk) > 1)
goto drop;
req = tcp_openreq_alloc(&or_ipv4);
req = reqsk_alloc(&tcp_request_sock_ops);
if (!req)
goto drop;
@@ -1535,14 +1535,14 @@ int tcp_v4_conn_request(struct sock *sk, struct sk_buff *skb)
goto drop_and_free;
if (want_cookie) {
tcp_openreq_free(req);
reqsk_free(req);
} else {
tcp_v4_synq_add(sk, req);
}
return 0;
drop_and_free:
tcp_openreq_free(req);
reqsk_free(req);
drop:
TCP_INC_STATS_BH(TCP_MIB_ATTEMPTFAILS);
return 0;
@@ -1554,7 +1554,7 @@ drop:
* now create the new socket.
*/
struct sock *tcp_v4_syn_recv_sock(struct sock *sk, struct sk_buff *skb,
struct open_request *req,
struct request_sock *req,
struct dst_entry *dst)
{
struct inet_request_sock *ireq;
@@ -1613,9 +1613,9 @@ static struct sock *tcp_v4_hnd_req(struct sock *sk, struct sk_buff *skb)
struct iphdr *iph = skb->nh.iph;
struct tcp_sock *tp = tcp_sk(sk);
struct sock *nsk;
struct open_request **prev;
struct request_sock **prev;
/* Find possible connection requests. */
struct open_request *req = tcp_v4_search_req(tp, &prev, th->source,
struct request_sock *req = tcp_v4_search_req(tp, &prev, th->source,
iph->saddr, iph->daddr);
if (req)
return tcp_check_req(sk, skb, req, prev);
@@ -2152,13 +2152,13 @@ static void *listening_get_next(struct seq_file *seq, void *cur)
++st->num;
if (st->state == TCP_SEQ_STATE_OPENREQ) {
struct open_request *req = cur;
struct request_sock *req = cur;
tp = tcp_sk(st->syn_wait_sk);
req = req->dl_next;
while (1) {
while (req) {
if (req->class->family == st->family) {
if (req->rsk_ops->family == st->family) {
cur = req;
goto out;
}
@@ -2459,7 +2459,7 @@ void tcp_proc_unregister(struct tcp_seq_afinfo *afinfo)
memset(afinfo->seq_fops, 0, sizeof(*afinfo->seq_fops));
}
static void get_openreq4(struct sock *sk, struct open_request *req,
static void get_openreq4(struct sock *sk, struct request_sock *req,
char *tmpbuf, int i, int uid)
{
const struct inet_request_sock *ireq = inet_rsk(req);
@@ -2627,7 +2627,7 @@ struct proto tcp_prot = {
.sysctl_rmem = sysctl_tcp_rmem,
.max_header = MAX_TCP_HEADER,
.obj_size = sizeof(struct tcp_sock),
.rsk_prot = &or_ipv4,
.rsk_prot = &tcp_request_sock_ops,
};