1 // SPDX-License-Identifier: GPL-2.0
101  * FIXME: mpcs (and per-mpc lists) have no locking whatsoever.
104 static void *mpc_start(struct seq_file *m, loff_t *pos)  in mpc_start()  argument
109 	if (!l--)  in mpc_start()
111 	for (mpc = mpcs; mpc; mpc = mpc->next)  in mpc_start()
112 		if (!l--)  in mpc_start()
117 static void *mpc_next(struct seq_file *m, void *v, loff_t *pos)  in mpc_next()  argument
121 	return v == SEQ_START_TOKEN ? mpcs : p->next;  in mpc_next()
124 static void mpc_stop(struct seq_file *m, void *v)  in mpc_stop()  argument
129  * READING function - called when the /proc/atm/mpoa file is read from.
131 static int mpc_show(struct seq_file *m, void *v)  in mpc_show()  argument
141 		atm_mpoa_disp_qos(m);  in mpc_show()
145 	seq_printf(m, "\nInterface %d:\n\n", mpc->dev_num);  in mpc_show()
146 …seq_printf(m, "Ingress Entries:\nIP address      State      Holding time  Packets fwded  VPI  VCI\…  in mpc_show()
149 	for (in_entry = mpc->in_cache; in_entry; in_entry = in_entry->next) {  in mpc_show()
150 		unsigned long seconds_delta = now - in_entry->time;  in mpc_show()
152 		sprintf(ip_string, "%pI4", &in_entry->ctrl_info.in_dst_ip);  in mpc_show()
153 		seq_printf(m, "%-16s%s%-14lu%-12u",  in mpc_show()
155 			   ingress_state_string(in_entry->entry_state),  in mpc_show()
156 			   in_entry->ctrl_info.holding_time -  in mpc_show()
158 			   in_entry->packets_fwded);  in mpc_show()
159 		if (in_entry->shortcut)  in mpc_show()
160 			seq_printf(m, "   %-3d  %-3d",  in mpc_show()
161 				   in_entry->shortcut->vpi,  in mpc_show()
162 				   in_entry->shortcut->vci);  in mpc_show()
163 		seq_printf(m, "\n");  in mpc_show()
166 	seq_printf(m, "\n");  in mpc_show()
167 …seq_printf(m, "Egress Entries:\nIngress MPC ATM addr\nCache-id        State      Holding time  Pac…  in mpc_show()
168 	for (eg_entry = mpc->eg_cache; eg_entry; eg_entry = eg_entry->next) {  in mpc_show()
169 		unsigned char *p = eg_entry->ctrl_info.in_MPC_data_ATM_addr;  in mpc_show()
170 		unsigned long seconds_delta = now - eg_entry->time;  in mpc_show()
173 			seq_printf(m, "%02x", p[i]);  in mpc_show()
174 		seq_printf(m, "\n%-16lu%s%-14lu%-15u",  in mpc_show()
175 			   (unsigned long)ntohl(eg_entry->ctrl_info.cache_id),  in mpc_show()
176 			   egress_state_string(eg_entry->entry_state),  in mpc_show()
177 			   (eg_entry->ctrl_info.holding_time - seconds_delta),  in mpc_show()
178 			   eg_entry->packets_rcvd);  in mpc_show()
181 		sprintf(ip_string, "%pI4", &eg_entry->latest_ip_addr);  in mpc_show()
182 		seq_printf(m, "%-16s", ip_string);  in mpc_show()
184 		if (eg_entry->shortcut)  in mpc_show()
185 			seq_printf(m, " %-3d %-3d",  in mpc_show()
186 				   eg_entry->shortcut->vpi,  in mpc_show()
187 				   eg_entry->shortcut->vci);  in mpc_show()
188 		seq_printf(m, "\n");  in mpc_show()
190 	seq_printf(m, "\n");  in mpc_show()
216 		nbytes = PAGE_SIZE-1;  in proc_mpc_write()
220 		return -ENOMEM;  in proc_mpc_write()
225 			return -EFAULT;  in proc_mpc_write()
245 	 * add 130.230.54.142 tx=max_pcr,max_sdu rx=max_pcr,max_sdu  in parse_qos()
260 	if (sscanf(buff, "add %hhu.%hhu.%hhu.%hhu tx=%d,%d rx=tx",  in parse_qos()
264 	} else if (sscanf(buff, "add %hhu.%hhu.%hhu.%hhu tx=%d,%d rx=%d,%d",  in parse_qos()
276 	dprintk("parse_qos(): setting qos parameters to tx=%d,%d rx=%d,%d\n",  in parse_qos()
285  * INITIALIZATION function - called when module is initialized/loaded.
294 		return -ENOMEM;  in mpc_proc_init()
300  * DELETING function - called when module is removed.