2  * proc_llc.c - proc interface for LLC
5  *		 2002-2003 by Arnaldo Carvalho de Melo <acme@conectiva.com.br>
29 static void llc_ui_format_mac(struct seq_file *seq, const u8 *addr)  in llc_ui_format_mac()  argument
31 	seq_printf(seq, "%pM", addr);  in llc_ui_format_mac()
41 		spin_lock_bh(&sap->sk_lock);  in llc_get_sk_idx()
43 			struct hlist_nulls_head *head = &sap->sk_laddr_hash[i];  in llc_get_sk_idx()
49 				--pos;  in llc_get_sk_idx()
52 		spin_unlock_bh(&sap->sk_lock);  in llc_get_sk_idx()
59 static void *llc_seq_start(struct seq_file *seq, loff_t *pos) __acquires(RCU)  in llc_seq_start()  argument
64 	return l ? llc_get_sk_idx(--l) : SEQ_START_TOKEN;  in llc_seq_start()
73 		sk_nulls_for_each(sk, node, &sap->sk_laddr_hash[bucket])  in laddr_hash_next()
80 static void *llc_seq_next(struct seq_file *seq, void *v, loff_t *pos)  in llc_seq_next()  argument
98 	sap = llc->sap;  in llc_seq_next()
99 	sk = laddr_hash_next(sap, llc_sk_laddr_hashfn(sap, &llc->laddr));  in llc_seq_next()
102 	spin_unlock_bh(&sap->sk_lock);  in llc_seq_next()
104 		spin_lock_bh(&sap->sk_lock);  in llc_seq_next()
105 		sk = laddr_hash_next(sap, -1);  in llc_seq_next()
108 		spin_unlock_bh(&sap->sk_lock);  in llc_seq_next()
114 static void llc_seq_stop(struct seq_file *seq, void *v)  in llc_seq_stop()  argument
119 		struct llc_sap *sap = llc->sap;  in llc_seq_stop()
121 		spin_unlock_bh(&sap->sk_lock);  in llc_seq_stop()
126 static int llc_seq_socket_show(struct seq_file *seq, void *v)  in llc_seq_socket_show()  argument
132 		seq_puts(seq, "SKt Mc local_mac_sap        remote_mac_sap   "  in llc_seq_socket_show()
140 	seq_printf(seq, "%2X  %2X ", sk->sk_type, 0);  in llc_seq_socket_show()
142 	if (llc->dev)  in llc_seq_socket_show()
143 		llc_ui_format_mac(seq, llc->dev->dev_addr);  in llc_seq_socket_show()
146 		llc_ui_format_mac(seq, addr);  in llc_seq_socket_show()
148 	seq_printf(seq, "@%02X ", llc->sap->laddr.lsap);  in llc_seq_socket_show()
149 	llc_ui_format_mac(seq, llc->daddr.mac);  in llc_seq_socket_show()
150 	seq_printf(seq, "@%02X %8d %8d %2d %3u %4d\n", llc->daddr.lsap,  in llc_seq_socket_show()
152 		   sk_rmem_alloc_get(sk) - llc->copied_seq,  in llc_seq_socket_show()
153 		   sk->sk_state,  in llc_seq_socket_show()
154 		   from_kuid_munged(seq_user_ns(seq), sock_i_uid(sk)),  in llc_seq_socket_show()
155 		   llc->link);  in llc_seq_socket_show()
175 static int llc_seq_core_show(struct seq_file *seq, void *v)  in llc_seq_core_show()  argument
181 		seq_puts(seq, "Connection list:\n"  in llc_seq_core_show()
189 	seq_printf(seq, " %02X  %-10s %3d  %3d %3d %2d %2d %2d %2d %2d %2d "  in llc_seq_core_show()
191 		   llc->daddr.lsap, llc_conn_state_names[llc->state],  in llc_seq_core_show()
192 		   llc->retry_count, llc->k, llc->rw, llc->p_flag, llc->f_flag,  in llc_seq_core_show()
193 		   llc->s_flag, llc->data_flag, llc->remote_busy_flag,  in llc_seq_core_show()
194 		   llc->cause_flag, timer_pending(&llc->ack_timer.timer),  in llc_seq_core_show()
195 		   timer_pending(&llc->pf_cycle_timer.timer),  in llc_seq_core_show()
196 		   timer_pending(&llc->rej_sent_timer.timer),  in llc_seq_core_show()
197 		   timer_pending(&llc->busy_state_timer.timer),  in llc_seq_core_show()
198 		   !!sk->sk_backlog.tail, sock_owned_by_user_nocheck(sk));  in llc_seq_core_show()
221 	int rc = -ENOMEM;  in llc_proc_init()