38 	struct sock		*sk;  member
68 	if (pep_writeable(gp->sk))  in gprs_writeable()
76 static void gprs_state_change(struct sock *sk)  in gprs_state_change()  argument
78 	struct gprs_dev *gp = sk->sk_user_data;  in gprs_state_change()
80 	if (sk->sk_state == TCP_CLOSE_WAIT) {  in gprs_state_change()
149 static void gprs_data_ready(struct sock *sk)  in gprs_data_ready()  argument
151 	struct gprs_dev *gp = sk->sk_user_data;  in gprs_data_ready()
154 	while ((skb = pep_read(sk)) != NULL) {  in gprs_data_ready()
160 static void gprs_write_space(struct sock *sk)  in gprs_write_space()  argument
162 	struct gprs_dev *gp = sk->sk_user_data;  in gprs_write_space()
189 	struct sock *sk = gp->sk;  in gprs_xmit()  local
202 	skb_set_owner_w(skb, sk);  in gprs_xmit()
204 	err = pep_write(sk, skb);  in gprs_xmit()
215 	if (pep_writeable(sk))  in gprs_xmit()
258 int gprs_attach(struct sock *sk)  in gprs_attach()  argument
265 	if (unlikely(sk->sk_type == SOCK_STREAM))  in gprs_attach()
273 	gp->sk = sk;  in gprs_attach()
283 	lock_sock(sk);  in gprs_attach()
284 	if (unlikely(sk->sk_user_data)) {  in gprs_attach()
288 	if (unlikely((1 << sk->sk_state & (TCPF_CLOSE|TCPF_LISTEN)) ||  in gprs_attach()
289 			sock_flag(sk, SOCK_DEAD))) {  in gprs_attach()
293 	sk->sk_user_data	= gp;  in gprs_attach()
294 	gp->old_state_change	= sk->sk_state_change;  in gprs_attach()
295 	gp->old_data_ready	= sk->sk_data_ready;  in gprs_attach()
296 	gp->old_write_space	= sk->sk_write_space;  in gprs_attach()
297 	sk->sk_state_change	= gprs_state_change;  in gprs_attach()
298 	sk->sk_data_ready	= gprs_data_ready;  in gprs_attach()
299 	sk->sk_write_space	= gprs_write_space;  in gprs_attach()
300 	release_sock(sk);  in gprs_attach()
301 	sock_hold(sk);  in gprs_attach()
307 	release_sock(sk);  in gprs_attach()
312 void gprs_detach(struct sock *sk)  in gprs_detach()  argument
314 	struct gprs_dev *gp = sk->sk_user_data;  in gprs_detach()
317 	lock_sock(sk);  in gprs_detach()
318 	sk->sk_user_data	= NULL;  in gprs_detach()
319 	sk->sk_state_change	= gp->old_state_change;  in gprs_detach()
320 	sk->sk_data_ready	= gp->old_data_ready;  in gprs_detach()
321 	sk->sk_write_space	= gp->old_write_space;  in gprs_detach()
322 	release_sock(sk);  in gprs_detach()
326 	sock_put(sk);  in gprs_detach()