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33 #include <linux/kernel.h>
34 #include <linux/sysctl.h>
35 #include <linux/proc_fs.h>
39 static struct ctl_table_header *rds_sysctl_reg_table;
41 static unsigned long rds_sysctl_reconnect_min = 1;
42 static unsigned long rds_sysctl_reconnect_max = ~0UL;
44 unsigned long rds_sysctl_reconnect_min_jiffies;
45 unsigned long rds_sysctl_reconnect_max_jiffies = HZ;
47 unsigned int rds_sysctl_max_unacked_packets = 8;
48 unsigned int rds_sysctl_max_unacked_bytes = (16 << 20);
50 unsigned int rds_sysctl_ping_enable = 1;
52 static struct ctl_table rds_sysctl_rds_table[] = {
54 .procname = "reconnect_min_delay_ms",
55 .data = &rds_sysctl_reconnect_min_jiffies,
56 .maxlen = sizeof(unsigned long),
58 .proc_handler = proc_doulongvec_ms_jiffies_minmax,
59 .extra1 = &rds_sysctl_reconnect_min,
60 .extra2 = &rds_sysctl_reconnect_max_jiffies,
63 .procname = "reconnect_max_delay_ms",
64 .data = &rds_sysctl_reconnect_max_jiffies,
65 .maxlen = sizeof(unsigned long),
67 .proc_handler = proc_doulongvec_ms_jiffies_minmax,
68 .extra1 = &rds_sysctl_reconnect_min_jiffies,
69 .extra2 = &rds_sysctl_reconnect_max,
72 .procname = "max_unacked_packets",
73 .data = &rds_sysctl_max_unacked_packets,
74 .maxlen = sizeof(int),
76 .proc_handler = proc_dointvec,
79 .procname = "max_unacked_bytes",
80 .data = &rds_sysctl_max_unacked_bytes,
81 .maxlen = sizeof(int),
83 .proc_handler = proc_dointvec,
86 .procname = "ping_enable",
87 .data = &rds_sysctl_ping_enable,
88 .maxlen = sizeof(int),
90 .proc_handler = proc_dointvec,
95 void rds_sysctl_exit(void)
97 unregister_net_sysctl_table(rds_sysctl_reg_table);
100 int rds_sysctl_init(void)
102 rds_sysctl_reconnect_min = msecs_to_jiffies(1);
103 rds_sysctl_reconnect_min_jiffies = rds_sysctl_reconnect_min;
105 rds_sysctl_reg_table =
106 register_net_sysctl(&init_net, "net/rds", rds_sysctl_rds_table);
107 if (!rds_sysctl_reg_table)