34 static int llc_conn_service(struct sock *sk, struct sk_buff *skb);
39 							struct sk_buff *skb);
59 int llc_conn_state_process(struct sock *sk, struct sk_buff *skb)  in llc_conn_state_process()  argument
62 	struct llc_sock *llc = llc_sk(skb->sk);  in llc_conn_state_process()
63 	struct llc_conn_state_ev *ev = llc_conn_ev(skb);  in llc_conn_state_process()
70 	skb_get(skb);  in llc_conn_state_process()
75 	rc = llc_conn_service(skb->sk, skb);  in llc_conn_state_process()
83 		if (!skb->next)  in llc_conn_state_process()
89 		skb_get(skb);  in llc_conn_state_process()
93 		llc_save_primitive(sk, skb, LLC_DATA_PRIM);  in llc_conn_state_process()
94 		if (unlikely(sock_queue_rcv_skb(sk, skb))) {  in llc_conn_state_process()
100 			kfree_skb(skb);  in llc_conn_state_process()
109 		skb_queue_tail(&sk->sk_receive_queue, skb);  in llc_conn_state_process()
124 		kfree_skb(skb);  in llc_conn_state_process()
133 		kfree_skb(skb);  in llc_conn_state_process()
139 			kfree_skb(skb);  in llc_conn_state_process()
190 	kfree_skb(skb);  in llc_conn_state_process()
192 	kfree_skb(skb);  in llc_conn_state_process()
196 void llc_conn_send_pdu(struct sock *sk, struct sk_buff *skb)  in llc_conn_send_pdu()  argument
199 	skb_queue_tail(&sk->sk_write_queue, skb);  in llc_conn_send_pdu()
212 void llc_conn_rtn_pdu(struct sock *sk, struct sk_buff *skb)  in llc_conn_rtn_pdu()  argument
214 	struct llc_conn_state_ev *ev = llc_conn_ev(skb);  in llc_conn_rtn_pdu()
231 	struct sk_buff *skb;  in llc_conn_resend_i_pdu_as_cmd()  local
246 	while ((skb = skb_dequeue(&llc->pdu_unack_q)) != NULL) {  in llc_conn_resend_i_pdu_as_cmd()
247 		pdu = llc_pdu_sn_hdr(skb);  in llc_conn_resend_i_pdu_as_cmd()
248 		llc_pdu_set_cmd_rsp(skb, LLC_PDU_CMD);  in llc_conn_resend_i_pdu_as_cmd()
249 		llc_pdu_set_pf_bit(skb, first_p_bit);  in llc_conn_resend_i_pdu_as_cmd()
250 		skb_queue_tail(&sk->sk_write_queue, skb);  in llc_conn_resend_i_pdu_as_cmd()
274 	struct sk_buff *skb;  in llc_conn_resend_i_pdu_as_rsp()  local
286 	while ((skb = skb_dequeue(&llc->pdu_unack_q)) != NULL) {  in llc_conn_resend_i_pdu_as_rsp()
287 		struct llc_pdu_sn *pdu = llc_pdu_sn_hdr(skb);  in llc_conn_resend_i_pdu_as_rsp()
289 		llc_pdu_set_cmd_rsp(skb, LLC_PDU_RSP);  in llc_conn_resend_i_pdu_as_rsp()
290 		llc_pdu_set_pf_bit(skb, first_f_bit);  in llc_conn_resend_i_pdu_as_rsp()
291 		skb_queue_tail(&sk->sk_write_queue, skb);  in llc_conn_resend_i_pdu_as_rsp()
315 	struct sk_buff *skb;  in llc_conn_remove_acked_pdus()  local
323 	skb = skb_peek(&llc->pdu_unack_q);  in llc_conn_remove_acked_pdus()
324 	pdu = llc_pdu_sn_hdr(skb);  in llc_conn_remove_acked_pdus()
331 		skb = skb_dequeue(&llc->pdu_unack_q);  in llc_conn_remove_acked_pdus()
332 		kfree_skb(skb);  in llc_conn_remove_acked_pdus()
348 	struct sk_buff *skb;  in llc_conn_send_pdus()  local
350 	while ((skb = skb_dequeue(&sk->sk_write_queue)) != NULL) {  in llc_conn_send_pdus()
351 		struct llc_pdu_sn *pdu = llc_pdu_sn_hdr(skb);  in llc_conn_send_pdus()
354 		    !(skb->dev->flags & IFF_LOOPBACK)) {  in llc_conn_send_pdus()
355 			struct sk_buff *skb2 = skb_clone(skb, GFP_ATOMIC);  in llc_conn_send_pdus()
357 			skb_queue_tail(&llc_sk(sk)->pdu_unack_q, skb);  in llc_conn_send_pdus()
360 			skb = skb2;  in llc_conn_send_pdus()
362 		dev_queue_xmit(skb);  in llc_conn_send_pdus()
375 static int llc_conn_service(struct sock *sk, struct sk_buff *skb)  in llc_conn_service()  argument
384 	trans = llc_qualify_conn_ev(sk, skb);  in llc_conn_service()
386 		rc = llc_exec_conn_trans_actions(sk, trans, skb);  in llc_conn_service()
406 							struct sk_buff *skb)  in llc_qualify_conn_ev()  argument
410 	struct llc_conn_state_ev *ev = llc_conn_ev(skb);  in llc_qualify_conn_ev()
421 		if (!((*next_trans)->ev)(sk, skb)) {  in llc_qualify_conn_ev()
430 			     !(*next_qualifier)(sk, skb); next_qualifier++)  in llc_qualify_conn_ev()
454 				       struct sk_buff *skb)  in llc_exec_conn_trans_actions()  argument
461 		int rc2 = (*next_action)(sk, skb);  in llc_exec_conn_trans_actions()
756 static int llc_conn_rcv(struct sock *sk, struct sk_buff *skb)  in llc_conn_rcv()  argument
758 	struct llc_conn_state_ev *ev = llc_conn_ev(skb);  in llc_conn_rcv()
762 	return llc_conn_state_process(sk, skb);  in llc_conn_rcv()
787 void llc_conn_handler(struct llc_sap *sap, struct sk_buff *skb)  in llc_conn_handler()  argument
792 	llc_pdu_decode_sa(skb, saddr.mac);  in llc_conn_handler()
793 	llc_pdu_decode_ssap(skb, &saddr.lsap);  in llc_conn_handler()
794 	llc_pdu_decode_da(skb, daddr.mac);  in llc_conn_handler()
795 	llc_pdu_decode_dsap(skb, &daddr.lsap);  in llc_conn_handler()
811 		struct sock *newsk = llc_create_incoming_sock(sk, skb->dev,  in llc_conn_handler()
815 		skb_set_owner_r(skb, newsk);  in llc_conn_handler()
824 		skb->sk = sk;  in llc_conn_handler()
827 		llc_conn_rcv(sk, skb);  in llc_conn_handler()
830 		llc_set_backlog_type(skb, LLC_PACKET);  in llc_conn_handler()
831 		if (sk_add_backlog(sk, skb, sk->sk_rcvbuf))  in llc_conn_handler()
839 	kfree_skb(skb);  in llc_conn_handler()
842 	kfree_skb(skb);  in llc_conn_handler()
861 static int llc_backlog_rcv(struct sock *sk, struct sk_buff *skb)  in llc_backlog_rcv()  argument
866 	if (likely(llc_backlog_type(skb) == LLC_PACKET)) {  in llc_backlog_rcv()
868 			rc = llc_conn_rcv(sk, skb);  in llc_backlog_rcv()
871 	} else if (llc_backlog_type(skb) == LLC_EVENT) {  in llc_backlog_rcv()
874 			rc = llc_conn_state_process(sk, skb);  in llc_backlog_rcv()
884 	kfree_skb(skb);  in llc_backlog_rcv()