X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=net%2Fdecnet%2Fsysctl_net_decnet.c;h=ae354a43fb97af91d7f8c0250585051e0aa2b186;hb=541010e4b8921cd781ff02ae68028501457045b6;hp=02bca49cb5084b60c4779b6d5badab8dde35ac93;hpb=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2;p=linux-2.6 diff --git a/net/decnet/sysctl_net_decnet.c b/net/decnet/sysctl_net_decnet.c index 02bca49cb5..ae354a43fb 100644 --- a/net/decnet/sysctl_net_decnet.c +++ b/net/decnet/sysctl_net_decnet.c @@ -10,9 +10,9 @@ * * Changes: * Steve Whitehouse - C99 changes and default device handling + * Steve Whitehouse - Memory buffer settings, like the tcp ones * */ -#include #include #include #include @@ -37,6 +37,11 @@ int decnet_dr_count = 3; int decnet_log_martians = 1; int decnet_no_fc_max_cwnd = NSP_MIN_WINDOW; +/* Reasonable defaults, I hope, based on tcp's defaults */ +int sysctl_decnet_mem[3] = { 768 << 3, 1024 << 3, 1536 << 3 }; +int sysctl_decnet_wmem[3] = { 4 * 1024, 16 * 1024, 128 * 1024 }; +int sysctl_decnet_rmem[3] = { 4 * 1024, 87380, 87380 * 2 }; + #ifdef CONFIG_SYSCTL extern int decnet_dst_gc_interval; static int min_decnet_time_wait[] = { 5 }; @@ -80,9 +85,9 @@ static void strip_it(char *str) * Simple routine to parse an ascii DECnet address * into a network order address. */ -static int parse_addr(dn_address *addr, char *str) +static int parse_addr(__le16 *addr, char *str) { - dn_address area, node; + __u16 area, node; while(*str && !ISNUM(*str)) str++; @@ -129,11 +134,10 @@ static int parse_addr(dn_address *addr, char *str) static int dn_node_address_strategy(ctl_table *table, int __user *name, int nlen, void __user *oldval, size_t __user *oldlenp, - void __user *newval, size_t newlen, - void **context) + void __user *newval, size_t newlen) { size_t len; - dn_address addr; + __le16 addr; if (oldval && oldlenp) { if (get_user(len, oldlenp)) @@ -141,14 +145,14 @@ static int dn_node_address_strategy(ctl_table *table, int __user *name, int nlen if (len) { if (len != sizeof(unsigned short)) return -EINVAL; - if (put_user(decnet_address, (unsigned short __user *)oldval)) + if (put_user(decnet_address, (__le16 __user *)oldval)) return -EFAULT; } } if (newval && newlen) { if (newlen != sizeof(unsigned short)) return -EINVAL; - if (get_user(addr, (unsigned short __user *)newval)) + if (get_user(addr, (__le16 __user *)newval)) return -EFAULT; dn_dev_devices_off(); @@ -160,14 +164,14 @@ static int dn_node_address_strategy(ctl_table *table, int __user *name, int nlen return 0; } -static int dn_node_address_handler(ctl_table *table, int write, +static int dn_node_address_handler(ctl_table *table, int write, struct file *filp, void __user *buffer, size_t *lenp, loff_t *ppos) { char addr[DN_ASCBUF_LEN]; size_t len; - dn_address dnaddr; + __le16 dnaddr; if (!*lenp || (*ppos && !write)) { *lenp = 0; @@ -215,8 +219,7 @@ static int dn_node_address_handler(ctl_table *table, int write, static int dn_def_dev_strategy(ctl_table *table, int __user *name, int nlen, void __user *oldval, size_t __user *oldlenp, - void __user *newval, size_t newlen, - void **context) + void __user *newval, size_t newlen) { size_t len; struct net_device *dev; @@ -237,7 +240,7 @@ static int dn_def_dev_strategy(ctl_table *table, int __user *name, int nlen, } namel = strlen(devname) + 1; - if (len > namel) len = namel; + if (len > namel) len = namel; if (copy_to_user(oldval, devname, len)) return -EFAULT; @@ -256,7 +259,7 @@ static int dn_def_dev_strategy(ctl_table *table, int __user *name, int nlen, devname[newlen] = 0; - dev = dev_get_by_name(devname); + dev = dev_get_by_name(&init_net, devname); if (dev == NULL) return -ENODEV; @@ -272,7 +275,7 @@ static int dn_def_dev_strategy(ctl_table *table, int __user *name, int nlen, } -static int dn_def_dev_handler(ctl_table *table, int write, +static int dn_def_dev_handler(ctl_table *table, int write, struct file * filp, void __user *buffer, size_t *lenp, loff_t *ppos) @@ -296,7 +299,7 @@ static int dn_def_dev_handler(ctl_table *table, int write, devname[*lenp] = 0; strip_it(devname); - dev = dev_get_by_name(devname); + dev = dev_get_by_name(&init_net, devname); if (dev == NULL) return -ENODEV; @@ -338,17 +341,17 @@ static int dn_def_dev_handler(ctl_table *table, int write, static ctl_table dn_table[] = { { - .ctl_name = NET_DECNET_NODE_ADDRESS, - .procname = "node_address", - .maxlen = 7, - .mode = 0644, + .ctl_name = NET_DECNET_NODE_ADDRESS, + .procname = "node_address", + .maxlen = 7, + .mode = 0644, .proc_handler = dn_node_address_handler, .strategy = dn_node_address_strategy, }, { .ctl_name = NET_DECNET_NODE_NAME, .procname = "node_name", - .data = node_name, + .data = node_name, .maxlen = 7, .mode = 0644, .proc_handler = &proc_dostring, @@ -356,8 +359,8 @@ static ctl_table dn_table[] = { }, { .ctl_name = NET_DECNET_DEFAULT_DEVICE, - .procname = "default_device", - .maxlen = 16, + .procname = "default_device", + .maxlen = 16, .mode = 0644, .proc_handler = dn_def_dev_handler, .strategy = dn_def_dev_strategy, @@ -428,6 +431,33 @@ static ctl_table dn_table[] = { .extra1 = &min_decnet_no_fc_max_cwnd, .extra2 = &max_decnet_no_fc_max_cwnd }, + { + .ctl_name = NET_DECNET_MEM, + .procname = "decnet_mem", + .data = &sysctl_decnet_mem, + .maxlen = sizeof(sysctl_decnet_mem), + .mode = 0644, + .proc_handler = &proc_dointvec, + .strategy = &sysctl_intvec, + }, + { + .ctl_name = NET_DECNET_RMEM, + .procname = "decnet_rmem", + .data = &sysctl_decnet_rmem, + .maxlen = sizeof(sysctl_decnet_rmem), + .mode = 0644, + .proc_handler = &proc_dointvec, + .strategy = &sysctl_intvec, + }, + { + .ctl_name = NET_DECNET_WMEM, + .procname = "decnet_wmem", + .data = &sysctl_decnet_wmem, + .maxlen = sizeof(sysctl_decnet_wmem), + .mode = 0644, + .proc_handler = &proc_dointvec, + .strategy = &sysctl_intvec, + }, { .ctl_name = NET_DECNET_DEBUG_LEVEL, .procname = "debug", @@ -442,18 +472,18 @@ static ctl_table dn_table[] = { static ctl_table dn_dir_table[] = { { - .ctl_name = NET_DECNET, - .procname = "decnet", - .mode = 0555, + .ctl_name = NET_DECNET, + .procname = "decnet", + .mode = 0555, .child = dn_table}, {0} }; static ctl_table dn_root_table[] = { { - .ctl_name = CTL_NET, - .procname = "net", - .mode = 0555, + .ctl_name = CTL_NET, + .procname = "net", + .mode = 0555, .child = dn_dir_table }, {0} @@ -461,7 +491,7 @@ static ctl_table dn_root_table[] = { void dn_register_sysctl(void) { - dn_table_header = register_sysctl_table(dn_root_table, 1); + dn_table_header = register_sysctl_table(dn_root_table); } void dn_unregister_sysctl(void)