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12#include <linux/module.h>
13#include <net/sock.h>
14#include <net/af_rxrpc.h>
15#include "ar-internal.h"
16
17static const char *const rxrpc_conn_states[RXRPC_CONN__NR_STATES] = {
18 [RXRPC_CONN_UNUSED] = "Unused ",
19 [RXRPC_CONN_CLIENT] = "Client ",
20 [RXRPC_CONN_SERVICE_PREALLOC] = "SvPrealc",
21 [RXRPC_CONN_SERVICE_UNSECURED] = "SvUnsec ",
22 [RXRPC_CONN_SERVICE_CHALLENGING] = "SvChall ",
23 [RXRPC_CONN_SERVICE] = "SvSecure",
24 [RXRPC_CONN_REMOTELY_ABORTED] = "RmtAbort",
25 [RXRPC_CONN_LOCALLY_ABORTED] = "LocAbort",
26};
27
28
29
30
31static void *rxrpc_call_seq_start(struct seq_file *seq, loff_t *_pos)
32 __acquires(rcu)
33 __acquires(rxnet->call_lock)
34{
35 struct rxrpc_net *rxnet = rxrpc_net(seq_file_net(seq));
36
37 rcu_read_lock();
38 read_lock(&rxnet->call_lock);
39 return seq_list_start_head(&rxnet->calls, *_pos);
40}
41
42static void *rxrpc_call_seq_next(struct seq_file *seq, void *v, loff_t *pos)
43{
44 struct rxrpc_net *rxnet = rxrpc_net(seq_file_net(seq));
45
46 return seq_list_next(v, &rxnet->calls, pos);
47}
48
49static void rxrpc_call_seq_stop(struct seq_file *seq, void *v)
50 __releases(rxnet->call_lock)
51 __releases(rcu)
52{
53 struct rxrpc_net *rxnet = rxrpc_net(seq_file_net(seq));
54
55 read_unlock(&rxnet->call_lock);
56 rcu_read_unlock();
57}
58
59static int rxrpc_call_seq_show(struct seq_file *seq, void *v)
60{
61 struct rxrpc_local *local;
62 struct rxrpc_sock *rx;
63 struct rxrpc_peer *peer;
64 struct rxrpc_call *call;
65 struct rxrpc_net *rxnet = rxrpc_net(seq_file_net(seq));
66 rxrpc_seq_t tx_hard_ack, rx_hard_ack;
67 char lbuff[50], rbuff[50];
68
69 if (v == &rxnet->calls) {
70 seq_puts(seq,
71 "Proto Local "
72 " Remote "
73 " SvID ConnID CallID End Use State Abort "
74 " UserID\n");
75 return 0;
76 }
77
78 call = list_entry(v, struct rxrpc_call, link);
79
80 rx = rcu_dereference(call->socket);
81 if (rx) {
82 local = READ_ONCE(rx->local);
83 if (local)
84 sprintf(lbuff, "%pISpc", &local->srx.transport);
85 else
86 strcpy(lbuff, "no_local");
87 } else {
88 strcpy(lbuff, "no_socket");
89 }
90
91 peer = call->peer;
92 if (peer)
93 sprintf(rbuff, "%pISpc", &peer->srx.transport);
94 else
95 strcpy(rbuff, "no_connection");
96
97 tx_hard_ack = READ_ONCE(call->tx_hard_ack);
98 rx_hard_ack = READ_ONCE(call->rx_hard_ack);
99 seq_printf(seq,
100 "UDP %-47.47s %-47.47s %4x %08x %08x %s %3u"
101 " %-8.8s %08x %lx %08x %02x %08x %02x\n",
102 lbuff,
103 rbuff,
104 call->service_id,
105 call->cid,
106 call->call_id,
107 rxrpc_is_service_call(call) ? "Svc" : "Clt",
108 atomic_read(&call->usage),
109 rxrpc_call_states[call->state],
110 call->abort_code,
111 call->user_call_ID,
112 tx_hard_ack, READ_ONCE(call->tx_top) - tx_hard_ack,
113 rx_hard_ack, READ_ONCE(call->rx_top) - rx_hard_ack);
114
115 return 0;
116}
117
118const struct seq_operations rxrpc_call_seq_ops = {
119 .start = rxrpc_call_seq_start,
120 .next = rxrpc_call_seq_next,
121 .stop = rxrpc_call_seq_stop,
122 .show = rxrpc_call_seq_show,
123};
124
125
126
127
128static void *rxrpc_connection_seq_start(struct seq_file *seq, loff_t *_pos)
129 __acquires(rxnet->conn_lock)
130{
131 struct rxrpc_net *rxnet = rxrpc_net(seq_file_net(seq));
132
133 read_lock(&rxnet->conn_lock);
134 return seq_list_start_head(&rxnet->conn_proc_list, *_pos);
135}
136
137static void *rxrpc_connection_seq_next(struct seq_file *seq, void *v,
138 loff_t *pos)
139{
140 struct rxrpc_net *rxnet = rxrpc_net(seq_file_net(seq));
141
142 return seq_list_next(v, &rxnet->conn_proc_list, pos);
143}
144
145static void rxrpc_connection_seq_stop(struct seq_file *seq, void *v)
146 __releases(rxnet->conn_lock)
147{
148 struct rxrpc_net *rxnet = rxrpc_net(seq_file_net(seq));
149
150 read_unlock(&rxnet->conn_lock);
151}
152
153static int rxrpc_connection_seq_show(struct seq_file *seq, void *v)
154{
155 struct rxrpc_connection *conn;
156 struct rxrpc_net *rxnet = rxrpc_net(seq_file_net(seq));
157 char lbuff[50], rbuff[50];
158
159 if (v == &rxnet->conn_proc_list) {
160 seq_puts(seq,
161 "Proto Local "
162 " Remote "
163 " SvID ConnID End Use State Key "
164 " Serial ISerial\n"
165 );
166 return 0;
167 }
168
169 conn = list_entry(v, struct rxrpc_connection, proc_link);
170 if (conn->state == RXRPC_CONN_SERVICE_PREALLOC) {
171 strcpy(lbuff, "no_local");
172 strcpy(rbuff, "no_connection");
173 goto print;
174 }
175
176 sprintf(lbuff, "%pISpc", &conn->params.local->srx.transport);
177
178 sprintf(rbuff, "%pISpc", &conn->params.peer->srx.transport);
179print:
180 seq_printf(seq,
181 "UDP %-47.47s %-47.47s %4x %08x %s %3u"
182 " %s %08x %08x %08x\n",
183 lbuff,
184 rbuff,
185 conn->service_id,
186 conn->proto.cid,
187 rxrpc_conn_is_service(conn) ? "Svc" : "Clt",
188 atomic_read(&conn->usage),
189 rxrpc_conn_states[conn->state],
190 key_serial(conn->params.key),
191 atomic_read(&conn->serial),
192 conn->hi_serial);
193
194 return 0;
195}
196
197const struct seq_operations rxrpc_connection_seq_ops = {
198 .start = rxrpc_connection_seq_start,
199 .next = rxrpc_connection_seq_next,
200 .stop = rxrpc_connection_seq_stop,
201 .show = rxrpc_connection_seq_show,
202};
203
