[DCCP]: Move dccp_v4_{init,destroy}_sock to the core
Removing one more ipv6 uses ipv4 stuff case in dccp land. Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com> Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Arnaldo Carvalho de Melo
David S. Miller
parent
017487d7d1
commit
3e0fadc51f
|
|
@ -228,8 +228,8 @@ extern int dccp_rcv_state_process(struct sock *sk, struct sk_buff *skb,
|
|||
extern int dccp_rcv_established(struct sock *sk, struct sk_buff *skb,
|
||||
const struct dccp_hdr *dh, const unsigned len);
|
||||
|
||||
extern int dccp_v4_init_sock(struct sock *sk);
|
||||
extern int dccp_v4_destroy_sock(struct sock *sk);
|
||||
extern int dccp_init_sock(struct sock *sk);
|
||||
extern int dccp_destroy_sock(struct sock *sk);
|
||||
|
||||
extern void dccp_close(struct sock *sk, long timeout);
|
||||
extern struct sk_buff *dccp_make_response(struct sock *sk,
|
||||
|
|
|
|||
106
net/dccp/ipv4.c
106
net/dccp/ipv4.c
|
|
@ -1008,109 +1008,15 @@ struct inet_connection_sock_af_ops dccp_ipv4_af_ops = {
|
|||
.sockaddr_len = sizeof(struct sockaddr_in),
|
||||
};
|
||||
|
||||
int dccp_v4_init_sock(struct sock *sk)
|
||||
static int dccp_v4_init_sock(struct sock *sk)
|
||||
{
|
||||
struct dccp_sock *dp = dccp_sk(sk);
|
||||
struct inet_connection_sock *icsk = inet_csk(sk);
|
||||
static int dccp_ctl_socket_init = 1;
|
||||
const int err = dccp_init_sock(sk);
|
||||
|
||||
dccp_options_init(&dp->dccps_options);
|
||||
do_gettimeofday(&dp->dccps_epoch);
|
||||
|
||||
/*
|
||||
* FIXME: We're hardcoding the CCID, and doing this at this point makes
|
||||
* the listening (master) sock get CCID control blocks, which is not
|
||||
* necessary, but for now, to not mess with the test userspace apps,
|
||||
* lets leave it here, later the real solution is to do this in a
|
||||
* setsockopt(CCIDs-I-want/accept). -acme
|
||||
*/
|
||||
if (likely(!dccp_ctl_socket_init)) {
|
||||
int rc = dccp_feat_init(sk);
|
||||
|
||||
if (rc)
|
||||
return rc;
|
||||
|
||||
if (dp->dccps_options.dccpo_send_ack_vector) {
|
||||
dp->dccps_hc_rx_ackvec = dccp_ackvec_alloc(GFP_KERNEL);
|
||||
if (dp->dccps_hc_rx_ackvec == NULL)
|
||||
return -ENOMEM;
|
||||
}
|
||||
dp->dccps_hc_rx_ccid =
|
||||
ccid_hc_rx_new(dp->dccps_options.dccpo_rx_ccid,
|
||||
sk, GFP_KERNEL);
|
||||
dp->dccps_hc_tx_ccid =
|
||||
ccid_hc_tx_new(dp->dccps_options.dccpo_tx_ccid,
|
||||
sk, GFP_KERNEL);
|
||||
if (unlikely(dp->dccps_hc_rx_ccid == NULL ||
|
||||
dp->dccps_hc_tx_ccid == NULL)) {
|
||||
ccid_hc_rx_delete(dp->dccps_hc_rx_ccid, sk);
|
||||
ccid_hc_tx_delete(dp->dccps_hc_tx_ccid, sk);
|
||||
if (dp->dccps_options.dccpo_send_ack_vector) {
|
||||
dccp_ackvec_free(dp->dccps_hc_rx_ackvec);
|
||||
dp->dccps_hc_rx_ackvec = NULL;
|
||||
}
|
||||
dp->dccps_hc_rx_ccid = dp->dccps_hc_tx_ccid = NULL;
|
||||
return -ENOMEM;
|
||||
}
|
||||
} else {
|
||||
/* control socket doesn't need feat nego */
|
||||
INIT_LIST_HEAD(&dp->dccps_options.dccpo_pending);
|
||||
INIT_LIST_HEAD(&dp->dccps_options.dccpo_conf);
|
||||
dccp_ctl_socket_init = 0;
|
||||
}
|
||||
|
||||
dccp_init_xmit_timers(sk);
|
||||
icsk->icsk_rto = DCCP_TIMEOUT_INIT;
|
||||
sk->sk_state = DCCP_CLOSED;
|
||||
sk->sk_write_space = dccp_write_space;
|
||||
icsk->icsk_af_ops = &dccp_ipv4_af_ops;
|
||||
icsk->icsk_sync_mss = dccp_sync_mss;
|
||||
dp->dccps_mss_cache = 536;
|
||||
dp->dccps_role = DCCP_ROLE_UNDEFINED;
|
||||
dp->dccps_service = DCCP_SERVICE_INVALID_VALUE;
|
||||
dp->dccps_l_ack_ratio = dp->dccps_r_ack_ratio = 1;
|
||||
|
||||
return 0;
|
||||
if (err == 0)
|
||||
inet_csk(sk)->icsk_af_ops = &dccp_ipv4_af_ops;
|
||||
return err;
|
||||
}
|
||||
|
||||
EXPORT_SYMBOL_GPL(dccp_v4_init_sock);
|
||||
|
||||
int dccp_v4_destroy_sock(struct sock *sk)
|
||||
{
|
||||
struct dccp_sock *dp = dccp_sk(sk);
|
||||
|
||||
/*
|
||||
* DCCP doesn't use sk_write_queue, just sk_send_head
|
||||
* for retransmissions
|
||||
*/
|
||||
if (sk->sk_send_head != NULL) {
|
||||
kfree_skb(sk->sk_send_head);
|
||||
sk->sk_send_head = NULL;
|
||||
}
|
||||
|
||||
/* Clean up a referenced DCCP bind bucket. */
|
||||
if (inet_csk(sk)->icsk_bind_hash != NULL)
|
||||
inet_put_port(&dccp_hashinfo, sk);
|
||||
|
||||
kfree(dp->dccps_service_list);
|
||||
dp->dccps_service_list = NULL;
|
||||
|
||||
if (dp->dccps_options.dccpo_send_ack_vector) {
|
||||
dccp_ackvec_free(dp->dccps_hc_rx_ackvec);
|
||||
dp->dccps_hc_rx_ackvec = NULL;
|
||||
}
|
||||
ccid_hc_rx_delete(dp->dccps_hc_rx_ccid, sk);
|
||||
ccid_hc_tx_delete(dp->dccps_hc_tx_ccid, sk);
|
||||
dp->dccps_hc_rx_ccid = dp->dccps_hc_tx_ccid = NULL;
|
||||
|
||||
/* clean up feature negotiation state */
|
||||
dccp_feat_clean(sk);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
EXPORT_SYMBOL_GPL(dccp_v4_destroy_sock);
|
||||
|
||||
static void dccp_v4_reqsk_destructor(struct request_sock *req)
|
||||
{
|
||||
kfree(inet_rsk(req)->opt);
|
||||
|
|
@ -1147,7 +1053,7 @@ struct proto dccp_prot = {
|
|||
.accept = inet_csk_accept,
|
||||
.get_port = dccp_v4_get_port,
|
||||
.shutdown = dccp_shutdown,
|
||||
.destroy = dccp_v4_destroy_sock,
|
||||
.destroy = dccp_destroy_sock,
|
||||
.orphan_count = &dccp_orphan_count,
|
||||
.max_header = MAX_DCCP_HEADER,
|
||||
.obj_size = sizeof(struct dccp_sock),
|
||||
|
|
|
|||
|
|
@ -1146,7 +1146,7 @@ static struct inet_connection_sock_af_ops dccp_ipv6_mapped = {
|
|||
*/
|
||||
static int dccp_v6_init_sock(struct sock *sk)
|
||||
{
|
||||
int err = dccp_v4_init_sock(sk);
|
||||
int err = dccp_init_sock(sk);
|
||||
|
||||
if (err == 0)
|
||||
inet_csk(sk)->icsk_af_ops = &dccp_ipv6_af_ops;
|
||||
|
|
@ -1156,7 +1156,7 @@ static int dccp_v6_init_sock(struct sock *sk)
|
|||
|
||||
static int dccp_v6_destroy_sock(struct sock *sk)
|
||||
{
|
||||
dccp_v4_destroy_sock(sk);
|
||||
dccp_destroy_sock(sk);
|
||||
return inet6_destroy_sock(sk);
|
||||
}
|
||||
|
||||
|
|
|
|||
102
net/dccp/proto.c
102
net/dccp/proto.c
|
|
@ -97,6 +97,108 @@ const char *dccp_state_name(const int state)
|
|||
|
||||
EXPORT_SYMBOL_GPL(dccp_state_name);
|
||||
|
||||
int dccp_init_sock(struct sock *sk)
|
||||
{
|
||||
struct dccp_sock *dp = dccp_sk(sk);
|
||||
struct inet_connection_sock *icsk = inet_csk(sk);
|
||||
static int dccp_ctl_socket_init = 1;
|
||||
|
||||
dccp_options_init(&dp->dccps_options);
|
||||
do_gettimeofday(&dp->dccps_epoch);
|
||||
|
||||
/*
|
||||
* FIXME: We're hardcoding the CCID, and doing this at this point makes
|
||||
* the listening (master) sock get CCID control blocks, which is not
|
||||
* necessary, but for now, to not mess with the test userspace apps,
|
||||
* lets leave it here, later the real solution is to do this in a
|
||||
* setsockopt(CCIDs-I-want/accept). -acme
|
||||
*/
|
||||
if (likely(!dccp_ctl_socket_init)) {
|
||||
int rc = dccp_feat_init(sk);
|
||||
|
||||
if (rc)
|
||||
return rc;
|
||||
|
||||
if (dp->dccps_options.dccpo_send_ack_vector) {
|
||||
dp->dccps_hc_rx_ackvec = dccp_ackvec_alloc(GFP_KERNEL);
|
||||
if (dp->dccps_hc_rx_ackvec == NULL)
|
||||
return -ENOMEM;
|
||||
}
|
||||
dp->dccps_hc_rx_ccid =
|
||||
ccid_hc_rx_new(dp->dccps_options.dccpo_rx_ccid,
|
||||
sk, GFP_KERNEL);
|
||||
dp->dccps_hc_tx_ccid =
|
||||
ccid_hc_tx_new(dp->dccps_options.dccpo_tx_ccid,
|
||||
sk, GFP_KERNEL);
|
||||
if (unlikely(dp->dccps_hc_rx_ccid == NULL ||
|
||||
dp->dccps_hc_tx_ccid == NULL)) {
|
||||
ccid_hc_rx_delete(dp->dccps_hc_rx_ccid, sk);
|
||||
ccid_hc_tx_delete(dp->dccps_hc_tx_ccid, sk);
|
||||
if (dp->dccps_options.dccpo_send_ack_vector) {
|
||||
dccp_ackvec_free(dp->dccps_hc_rx_ackvec);
|
||||
dp->dccps_hc_rx_ackvec = NULL;
|
||||
}
|
||||
dp->dccps_hc_rx_ccid = dp->dccps_hc_tx_ccid = NULL;
|
||||
return -ENOMEM;
|
||||
}
|
||||
} else {
|
||||
/* control socket doesn't need feat nego */
|
||||
INIT_LIST_HEAD(&dp->dccps_options.dccpo_pending);
|
||||
INIT_LIST_HEAD(&dp->dccps_options.dccpo_conf);
|
||||
dccp_ctl_socket_init = 0;
|
||||
}
|
||||
|
||||
dccp_init_xmit_timers(sk);
|
||||
icsk->icsk_rto = DCCP_TIMEOUT_INIT;
|
||||
sk->sk_state = DCCP_CLOSED;
|
||||
sk->sk_write_space = dccp_write_space;
|
||||
icsk->icsk_sync_mss = dccp_sync_mss;
|
||||
dp->dccps_mss_cache = 536;
|
||||
dp->dccps_role = DCCP_ROLE_UNDEFINED;
|
||||
dp->dccps_service = DCCP_SERVICE_INVALID_VALUE;
|
||||
dp->dccps_l_ack_ratio = dp->dccps_r_ack_ratio = 1;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
EXPORT_SYMBOL_GPL(dccp_init_sock);
|
||||
|
||||
int dccp_destroy_sock(struct sock *sk)
|
||||
{
|
||||
struct dccp_sock *dp = dccp_sk(sk);
|
||||
|
||||
/*
|
||||
* DCCP doesn't use sk_write_queue, just sk_send_head
|
||||
* for retransmissions
|
||||
*/
|
||||
if (sk->sk_send_head != NULL) {
|
||||
kfree_skb(sk->sk_send_head);
|
||||
sk->sk_send_head = NULL;
|
||||
}
|
||||
|
||||
/* Clean up a referenced DCCP bind bucket. */
|
||||
if (inet_csk(sk)->icsk_bind_hash != NULL)
|
||||
inet_put_port(&dccp_hashinfo, sk);
|
||||
|
||||
kfree(dp->dccps_service_list);
|
||||
dp->dccps_service_list = NULL;
|
||||
|
||||
if (dp->dccps_options.dccpo_send_ack_vector) {
|
||||
dccp_ackvec_free(dp->dccps_hc_rx_ackvec);
|
||||
dp->dccps_hc_rx_ackvec = NULL;
|
||||
}
|
||||
ccid_hc_rx_delete(dp->dccps_hc_rx_ccid, sk);
|
||||
ccid_hc_tx_delete(dp->dccps_hc_tx_ccid, sk);
|
||||
dp->dccps_hc_rx_ccid = dp->dccps_hc_tx_ccid = NULL;
|
||||
|
||||
/* clean up feature negotiation state */
|
||||
dccp_feat_clean(sk);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
EXPORT_SYMBOL_GPL(dccp_destroy_sock);
|
||||
|
||||
static inline int dccp_listen_start(struct sock *sk)
|
||||
{
|
||||
struct dccp_sock *dp = dccp_sk(sk);
|
||||
|
|
|
|||
Loading…
Reference in New Issue