change system file

hc

2024-10-09 244b2c5ca8b14627e4a17755e5922221e121c771

 kernel/net/sctp/sysctl.c
..
..
@@ -79,17 +79,18 @@
79
79
 	{ /* sentinel */ }
80
80
 };
81
81
 
82
+/* The following index defines are used in sctp_sysctl_net_register().
83
+ * If you add new items to the sctp_net_table, please ensure that
84
+ * the index values of these defines hold the same meaning indicated by
85
+ * their macro names when they appear in sctp_net_table.
86
+ */
87
+#define SCTP_RTO_MIN_IDX       0
88
+#define SCTP_RTO_MAX_IDX       1
89
+#define SCTP_PF_RETRANS_IDX    2
90
+#define SCTP_PS_RETRANS_IDX    3
91
+
82
92
 static struct ctl_table sctp_net_table[] = {
83
-	{
84
-		.procname	= "rto_initial",
85
-		.data		= &init_net.sctp.rto_initial,
86
-		.maxlen		= sizeof(unsigned int),
87
-		.mode		= 0644,
88
-		.proc_handler	= proc_dointvec_minmax,
89
-		.extra1         = SYSCTL_ONE,
90
-		.extra2         = &timer_max
91
-	},
92
-	{
93
+	[SCTP_RTO_MIN_IDX] = {
93
94
 		.procname	= "rto_min",
94
95
 		.data		= &init_net.sctp.rto_min,
95
96
 		.maxlen		= sizeof(unsigned int),
..
..
@@ -98,13 +99,40 @@
98
99
 		.extra1         = SYSCTL_ONE,
99
100
 		.extra2         = &init_net.sctp.rto_max
100
101
 	},
101
-	{
102
+	[SCTP_RTO_MAX_IDX] =  {
102
103
 		.procname	= "rto_max",
103
104
 		.data		= &init_net.sctp.rto_max,
104
105
 		.maxlen		= sizeof(unsigned int),
105
106
 		.mode		= 0644,
106
107
 		.proc_handler	= proc_sctp_do_rto_max,
107
108
 		.extra1         = &init_net.sctp.rto_min,
109
+		.extra2         = &timer_max
110
+	},
111
+	[SCTP_PF_RETRANS_IDX] = {
112
+		.procname	= "pf_retrans",
113
+		.data		= &init_net.sctp.pf_retrans,
114
+		.maxlen		= sizeof(int),
115
+		.mode		= 0644,
116
+		.proc_handler	= proc_dointvec_minmax,
117
+		.extra1		= SYSCTL_ZERO,
118
+		.extra2		= &init_net.sctp.ps_retrans,
119
+	},
120
+	[SCTP_PS_RETRANS_IDX] = {
121
+		.procname	= "ps_retrans",
122
+		.data		= &init_net.sctp.ps_retrans,
123
+		.maxlen		= sizeof(int),
124
+		.mode		= 0644,
125
+		.proc_handler	= proc_dointvec_minmax,
126
+		.extra1		= &init_net.sctp.pf_retrans,
127
+		.extra2		= &ps_retrans_max,
128
+	},
129
+	{
130
+		.procname	= "rto_initial",
131
+		.data		= &init_net.sctp.rto_initial,
132
+		.maxlen		= sizeof(unsigned int),
133
+		.mode		= 0644,
134
+		.proc_handler	= proc_dointvec_minmax,
135
+		.extra1         = SYSCTL_ONE,
108
136
 		.extra2         = &timer_max
109
137
 	},
110
138
 	{
..
..
@@ -201,24 +229,6 @@
201
229
 		.proc_handler	= proc_dointvec_minmax,
202
230
 		.extra1		= SYSCTL_ONE,
203
231
 		.extra2		= SYSCTL_INT_MAX,
204
-	},
205
-	{
206
-		.procname	= "pf_retrans",
207
-		.data		= &init_net.sctp.pf_retrans,
208
-		.maxlen		= sizeof(int),
209
-		.mode		= 0644,
210
-		.proc_handler	= proc_dointvec_minmax,
211
-		.extra1		= SYSCTL_ZERO,
212
-		.extra2		= &init_net.sctp.ps_retrans,
213
-	},
214
-	{
215
-		.procname	= "ps_retrans",
216
-		.data		= &init_net.sctp.ps_retrans,
217
-		.maxlen		= sizeof(int),
218
-		.mode		= 0644,
219
-		.proc_handler	= proc_dointvec_minmax,
220
-		.extra1		= &init_net.sctp.pf_retrans,
221
-		.extra2		= &ps_retrans_max,
222
232
 	},
223
233
 	{
224
234
 		.procname	= "sndbuf_policy",
..
..
@@ -489,6 +499,11 @@
489
499
 	for (i = 0; table[i].data; i++)
490
500
 		table[i].data += (char *)(&net->sctp) - (char *)&init_net.sctp;
491
501
 
502
+	table[SCTP_RTO_MIN_IDX].extra2 = &net->sctp.rto_max;
503
+	table[SCTP_RTO_MAX_IDX].extra1 = &net->sctp.rto_min;
504
+	table[SCTP_PF_RETRANS_IDX].extra2 = &net->sctp.ps_retrans;
505
+	table[SCTP_PS_RETRANS_IDX].extra1 = &net->sctp.pf_retrans;
506
+
492
507
 	net->sctp.sysctl_header = register_net_sysctl(net, "net/sctp", table);
493
508
 	if (net->sctp.sysctl_header == NULL) {
494
509
 		kfree(table);