net/llc/llc_conn.c

17 #include <net/llc.h>
65 	struct llc_sock *llc = llc_sk(skb->sk);
132 		if (!llc_data_accept_state(llc->state))
135 			rc = llc->failed_data_req = 1;
216 	struct llc_sock *llc;
226 	llc = llc_sk(sk);
228 	while ((skb = skb_dequeue(&llc->pdu_unack_q)) != NULL) {
234 		llc->vS = LLC_I_GET_NS(pdu);
238 		llc->vS = (llc->vS + 1) % LLC_2_SEQ_NBR_MODULO;
258 	struct llc_sock *llc = llc_sk(sk);
268 	while ((skb = skb_dequeue(&llc->pdu_unack_q)) != NULL) {
275 		llc->vS = LLC_I_GET_NS(pdu);
279 		llc->vS = (llc->vS + 1) % LLC_2_SEQ_NBR_MODULO;
300 	struct llc_sock *llc = llc_sk(sk);
301 	int q_len = skb_queue_len(&llc->pdu_unack_q);
305 	skb = skb_peek(&llc->pdu_unack_q);
313 		skb = skb_dequeue(&llc->pdu_unack_q);
318 	*how_many_unacked = skb_queue_len(&llc->pdu_unack_q);
360 	struct llc_sock *llc = llc_sk(sk);
363 	if (llc->state > NBR_CONN_STATES)
370 			llc->state = trans->next_state;
371 			if (!llc_data_accept_state(llc->state))
393 	struct llc_sock *llc = llc_sk(sk);
395 					&llc_conn_state_table[llc->state - 1];
401 		llc_find_offset(llc->state - 1, ev->type);
460 	struct llc_sock *llc = llc_sk(sk);
463 		llc->laddr.lsap == laddr->lsap &&
464 		llc->daddr.lsap == daddr->lsap &&
465 		ether_addr_equal(llc->laddr.mac, laddr->mac) &&
466 		ether_addr_equal(llc->daddr.mac, daddr->mac);
537 	struct llc_sock *llc = llc_sk(sk);
541 		llc->laddr.lsap == laddr->lsap &&
542 		ether_addr_equal(llc->laddr.mac, laddr->mac);
708 	struct llc_sock *llc = llc_sk(sk);
709 	struct hlist_head *dev_hb = llc_sk_dev_hash(sap, llc->dev->ifindex);
710 	struct hlist_nulls_head *laddr_hb = llc_sk_laddr_hash(sap, &llc->laddr);
719 	hlist_add_head(&llc->dev_hash_node, dev_hb);
733 	struct llc_sock *llc = llc_sk(sk);
737 	hlist_del(&llc->dev_hash_node);
766 	struct llc_sock *newllc, *llc = llc_sk(sk);
775 	llc_sap_add_socket(llc->sap, newsk);
776 	llc_sap_hold(llc->sap);
800 	 * llc_adm_actions_2 in net/llc/llc_c_st.c) and send a packet to
861 	struct llc_sock *llc = llc_sk(sk);
864 		if (likely(llc->state > 1)) /* not closed */
870 		if (likely(llc->state > 1))  /* not closed */
886  *     llc_sk_init - Initializes a socket with default llc values.
889  *     Initializes a socket with default llc values.
893 	struct llc_sock *llc = llc_sk(sk);
895 	llc->state    = LLC_CONN_STATE_ADM;
896 	llc->inc_cntr = llc->dec_cntr = 2;
897 	llc->dec_step = llc->connect_step = 1;
899 	timer_setup(&llc->ack_timer.timer, llc_conn_ack_tmr_cb, 0);
900 	llc->ack_timer.expire	      = sysctl_llc2_ack_timeout;
902 	timer_setup(&llc->pf_cycle_timer.timer, llc_conn_pf_cycle_tmr_cb, 0);
903 	llc->pf_cycle_timer.expire	   = sysctl_llc2_p_timeout;
905 	timer_setup(&llc->rej_sent_timer.timer, llc_conn_rej_tmr_cb, 0);
906 	llc->rej_sent_timer.expire	   = sysctl_llc2_rej_timeout;
908 	timer_setup(&llc->busy_state_timer.timer, llc_conn_busy_tmr_cb, 0);
909 	llc->busy_state_timer.expire	     = sysctl_llc2_busy_timeout;
911 	llc->n2 = 2;   /* max retransmit */
912 	llc->k  = 2;   /* tx win size, will adjust dynam */
913 	llc->rw = 128; /* rx win size (opt and equal to
915 	skb_queue_head_init(&llc->pdu_unack_q);
949 	struct llc_sock *llc = llc_sk(sk);
952 		del_timer_sync(&llc->pf_cycle_timer.timer);
953 		del_timer_sync(&llc->ack_timer.timer);
954 		del_timer_sync(&llc->rej_sent_timer.timer);
955 		del_timer_sync(&llc->busy_state_timer.timer);
957 		del_timer(&llc->pf_cycle_timer.timer);
958 		del_timer(&llc->ack_timer.timer);
959 		del_timer(&llc->rej_sent_timer.timer);
960 		del_timer(&llc->busy_state_timer.timer);
963 	llc->ack_must_be_send = 0;
964 	llc->ack_pf = 0;
975 	struct llc_sock *llc = llc_sk(sk);
977 	llc->state = LLC_CONN_OUT_OF_SVC;
982 		skb_queue_len(&llc->pdu_unack_q),
987 	skb_queue_purge(&llc->pdu_unack_q);
1012 	struct llc_sock *llc = llc_sk(sk);
1016 	skb_queue_purge(&llc->pdu_unack_q);
1017 	llc->remote_busy_flag	= 0;
1018 	llc->cause_flag		= 0;
1019 	llc->retry_count	= 0;
1021 	llc->f_flag		= 0;
1022 	llc->s_flag		= 0;
1023 	llc->ack_pf		= 0;
1024 	llc->first_pdu_Ns	= 0;
1025 	llc->ack_must_be_send	= 0;
1026 	llc->dec_step		= 1;
1027 	llc->inc_cntr		= 2;
1028 	llc->dec_cntr		= 2;
1029 	llc->X			= 0;
1030 	llc->failed_data_req	= 0 ;
1031 	llc->last_nr		= 0;