X-Git-Url: http://git.sameswireless.fr/l2tpns.git/blobdiff_plain/3aa4eda8b1e0c4abc04439affe850d33648c7472..b2fdec228653e8a34e4a43131e6ab3f6cfcc78ed:/rl.c diff --git a/rl.c b/rl.c index ae0d33c..6abb78c 100644 --- a/rl.c +++ b/rl.c @@ -1,5 +1,5 @@ // L2TPNS Rate Limiting Stuff -// $Id: rl.c,v 1.1 2003/12/16 07:07:39 fred_nerk Exp $ +// $Id: rl.c,v 1.3 2004/04/05 05:29:13 fred_nerk Exp $ #include #include @@ -11,47 +11,30 @@ #include #include "l2tpns.h" -extern char *radiussecret; extern radiust *radius; extern sessiont *session; -extern ipt radiusserver[MAXRADSERVER]; // radius servers extern u32 sessionid; -extern u8 radiusfree; extern int radfd; -extern u8 numradiusservers; -extern char debug; -extern char *tapdevice; extern tbft *filter_buckets; +extern struct configt *config; #define DEVICE "tun0" -unsigned long rl_rate = 0; int next_tbf = 1; void init_rl() { -#ifdef TC_TBF - system("tc qdisc del dev " DEVICE " root"); - system("tc qdisc add dev " DEVICE " root handle 1: cbq avpkt 10000 bandwidth 100mbit"); - system("tc filter del dev " DEVICE " protocol ip pref 1 fw"); - system("iptables -t mangle -N throttle 2>&1 > /dev/null"); - system("iptables -t mangle -F throttle"); - system("iptables -t mangle -A l2tpns -j throttle"); -#endif -#ifdef TC_HTB char *commands[] = { - "tc qdisc add dev " DEVICE " root handle 1: htb default 1", + "tc qdisc add dev " DEVICE " root handle 1: htb", "tc class add dev " DEVICE " parent 1: classid 1:1 htb rate 100mbit burst 300k", "tc filter del dev " DEVICE " protocol ip pref 1 fw", - "iptables -t mangle -N throttle 2>&1 > /dev/null", - "iptables -t mangle -F throttle", - "iptables -t mangle -A l2tpns -j throttle", + "iptables -t mangle -N throttle 2>&1 >/dev/null", + "iptables -t mangle -F throttle 2>&1 >/dev/null", + "iptables -t mangle -A l2tpns -j throttle 2>&1 >/dev/null", NULL }; int i; - if (!rl_rate) return; - log(2, 0, 0, 0, "Initializing HTB\n"); for (i = 0; commands[i] && *commands[i]; i++) { @@ -59,41 +42,21 @@ void init_rl() system(commands[i]); } log(2, 0, 0, 0, "Done initializing HTB\n"); -#endif } u16 rl_create_tbf() { u16 t; char cmd[2048]; - if (!rl_rate) return 0; + if (!config->rl_rate) return 0; if (next_tbf >= MAXSESSION) return 0; t = next_tbf++; snprintf(filter_buckets[t].handle, 9, "1:%d0", t); -#ifdef TC_TBF - log(2, 0, 0, 0, "Creating new tbf %s\n", filter_buckets[t].handle); - snprintf(cmd, 2048, "tc class add dev " DEVICE " parent 1: classid 1:%d cbq bandwidth 100Mbit rate 100Mbit " - "weight 1 prio 8 allot 1514 cell 8 maxburst 20 avpkt 1000 bounded isolated", - t); - log(3, 0, 0, 0, "%s\n", cmd); - system(cmd); - - snprintf(cmd, 2048, "tc qdisc add dev " DEVICE " parent 1:%d handle %s tbf rate %dkbit buffer 1600 limit 3000", - t, filter_buckets[t].handle, rl_rate); - log(3, 0, 0, 0, "%s\n", cmd); - system(cmd); - - snprintf(cmd, 2048, "tc filter add dev " DEVICE " protocol ip parent 1:0 prio 1 handle %d fw flowid 1:%d", - t, t); - log(3, 0, 0, 0, "%s\n", cmd); - system(cmd); -#endif -#ifdef TC_HTB log(2, 0, 0, 0, "Creating new htb %s\n", filter_buckets[t].handle); snprintf(cmd, 2048, "tc class add dev " DEVICE " parent 1: classid %s htb rate %lukbit burst 15k", - filter_buckets[t].handle, rl_rate); + filter_buckets[t].handle, config->rl_rate); log(3, 0, 0, 0, "%s\n", cmd); system(cmd); @@ -101,7 +64,6 @@ u16 rl_create_tbf() t, filter_buckets[t].handle); log(3, 0, 0, 0, "%s\n", cmd); system(cmd); -#endif next_tbf++; return t; @@ -110,7 +72,7 @@ u16 rl_create_tbf() u16 rl_get_tbf() { int i; - if (!rl_rate) return 0; + if (!config->rl_rate) return 0; for (i = 1; i < MAXSESSION; i++) { @@ -129,30 +91,24 @@ u16 rl_get_tbf() void rl_done_tbf(u16 t) { if (!t) return; - if (!rl_rate) return; - log(2, 0, 0, 0, "Freeing up TBF %s\n", filter_buckets[t].handle); + if (!config->rl_rate) return; + log(2, 0, 0, 0, "Freeing up HTB %s\n", filter_buckets[t].handle); filter_buckets[t].in_use = 0; } void rl_destroy_tbf(u16 t) { char cmd[2048]; - if (!rl_rate) return; + if (!config->rl_rate) return; if (filter_buckets[t].in_use) { - log(0, 0, 0, 0, "Trying to destroy an in-use TBF %s\n", filter_buckets[t].handle); + log(0, 0, 0, 0, "Trying to destroy an in-use HTB %s\n", filter_buckets[t].handle); return; } -#ifdef TC_TBF - snprintf(cmd, 2048, "tc qdisc del dev " DEVICE " handle %s", filter_buckets[t].handle); - system(cmd); -#endif -#ifdef TC_HTB snprintf(cmd, 2048, "tc qdisc del dev " DEVICE " handle %s", filter_buckets[t].handle); system(cmd); -#endif - system("iptables -t mangle -D l2tpns -j throttle"); - system("iptables -t mangle -X throttle"); + system("iptables -t mangle -D l2tpns -j throttle 2>&1 >/dev/null"); + system("iptables -t mangle -X throttle 2>&1 >/dev/null"); memset(filter_buckets[t].handle, 0, sizeof(filter_buckets[t].handle)); }