diff options
Diffstat (limited to 'include/net/pkt_act.h')
| -rw-r--r-- | include/net/pkt_act.h | 273 |
1 files changed, 0 insertions, 273 deletions
diff --git a/include/net/pkt_act.h b/include/net/pkt_act.h deleted file mode 100644 index cf5e4d2e4c21..000000000000 --- a/include/net/pkt_act.h +++ /dev/null @@ -1,273 +0,0 @@ -#ifndef __NET_PKT_ACT_H -#define __NET_PKT_ACT_H - -#include <asm/uaccess.h> -#include <asm/system.h> -#include <linux/bitops.h> -#include <linux/types.h> -#include <linux/kernel.h> -#include <linux/sched.h> -#include <linux/string.h> -#include <linux/mm.h> -#include <linux/socket.h> -#include <linux/sockios.h> -#include <linux/in.h> -#include <linux/errno.h> -#include <linux/interrupt.h> -#include <linux/skbuff.h> -#include <linux/rtnetlink.h> -#include <linux/module.h> -#include <linux/init.h> -#include <linux/proc_fs.h> -#include <net/sock.h> -#include <net/pkt_sched.h> - -#define tca_st(val) (struct tcf_##val *) -#define PRIV(a,name) ( tca_st(name) (a)->priv) - -#if 0 /* control */ -#define DPRINTK(format,args...) printk(KERN_DEBUG format,##args) -#else -#define DPRINTK(format,args...) -#endif - -#if 0 /* data */ -#define D2PRINTK(format,args...) printk(KERN_DEBUG format,##args) -#else -#define D2PRINTK(format,args...) -#endif - -static __inline__ unsigned -tcf_hash(u32 index) -{ - return index & MY_TAB_MASK; -} - -/* probably move this from being inline - * and put into act_generic -*/ -static inline void -tcf_hash_destroy(struct tcf_st *p) -{ - unsigned h = tcf_hash(p->index); - struct tcf_st **p1p; - - for (p1p = &tcf_ht[h]; *p1p; p1p = &(*p1p)->next) { - if (*p1p == p) { - write_lock_bh(&tcf_t_lock); - *p1p = p->next; - write_unlock_bh(&tcf_t_lock); -#ifdef CONFIG_NET_ESTIMATOR - gen_kill_estimator(&p->bstats, &p->rate_est); -#endif - kfree(p); - return; - } - } - BUG_TRAP(0); -} - -static inline int -tcf_hash_release(struct tcf_st *p, int bind ) -{ - int ret = 0; - if (p) { - if (bind) { - p->bindcnt--; - } - p->refcnt--; - if(p->bindcnt <=0 && p->refcnt <= 0) { - tcf_hash_destroy(p); - ret = 1; - } - } - return ret; -} - -static __inline__ int -tcf_dump_walker(struct sk_buff *skb, struct netlink_callback *cb, - struct tc_action *a) -{ - struct tcf_st *p; - int err =0, index = -1,i= 0, s_i = 0, n_i = 0; - struct rtattr *r ; - - read_lock(&tcf_t_lock); - - s_i = cb->args[0]; - - for (i = 0; i < MY_TAB_SIZE; i++) { - p = tcf_ht[tcf_hash(i)]; - - for (; p; p = p->next) { - index++; - if (index < s_i) - continue; - a->priv = p; - a->order = n_i; - r = (struct rtattr*) skb->tail; - RTA_PUT(skb, a->order, 0, NULL); - err = tcf_action_dump_1(skb, a, 0, 0); - if (0 > err) { - index--; - skb_trim(skb, (u8*)r - skb->data); - goto done; - } - r->rta_len = skb->tail - (u8*)r; - n_i++; - if (n_i >= TCA_ACT_MAX_PRIO) { - goto done; - } - } - } -done: - read_unlock(&tcf_t_lock); - if (n_i) - cb->args[0] += n_i; - return n_i; - -rtattr_failure: - skb_trim(skb, (u8*)r - skb->data); - goto done; -} - -static __inline__ int -tcf_del_walker(struct sk_buff *skb, struct tc_action *a) -{ - struct tcf_st *p, *s_p; - struct rtattr *r ; - int i= 0, n_i = 0; - - r = (struct rtattr*) skb->tail; - RTA_PUT(skb, a->order, 0, NULL); - RTA_PUT(skb, TCA_KIND, IFNAMSIZ, a->ops->kind); - for (i = 0; i < MY_TAB_SIZE; i++) { - p = tcf_ht[tcf_hash(i)]; - - while (p != NULL) { - s_p = p->next; - if (ACT_P_DELETED == tcf_hash_release(p, 0)) { - module_put(a->ops->owner); - } - n_i++; - p = s_p; - } - } - RTA_PUT(skb, TCA_FCNT, 4, &n_i); - r->rta_len = skb->tail - (u8*)r; - - return n_i; -rtattr_failure: - skb_trim(skb, (u8*)r - skb->data); - return -EINVAL; -} - -static __inline__ int -tcf_generic_walker(struct sk_buff *skb, struct netlink_callback *cb, int type, - struct tc_action *a) -{ - if (type == RTM_DELACTION) { - return tcf_del_walker(skb,a); - } else if (type == RTM_GETACTION) { - return tcf_dump_walker(skb,cb,a); - } else { - printk("tcf_generic_walker: unknown action %d\n",type); - return -EINVAL; - } -} - -static __inline__ struct tcf_st * -tcf_hash_lookup(u32 index) -{ - struct tcf_st *p; - - read_lock(&tcf_t_lock); - for (p = tcf_ht[tcf_hash(index)]; p; p = p->next) { - if (p->index == index) - break; - } - read_unlock(&tcf_t_lock); - return p; -} - -static __inline__ u32 -tcf_hash_new_index(void) -{ - do { - if (++idx_gen == 0) - idx_gen = 1; - } while (tcf_hash_lookup(idx_gen)); - - return idx_gen; -} - - -static inline int -tcf_hash_search(struct tc_action *a, u32 index) -{ - struct tcf_st *p = tcf_hash_lookup(index); - - if (p != NULL) { - a->priv = p; - return 1; - } - return 0; -} - -#ifdef CONFIG_NET_ACT_INIT -static inline struct tcf_st * -tcf_hash_check(u32 index, struct tc_action *a, int ovr, int bind) -{ - struct tcf_st *p = NULL; - if (index && (p = tcf_hash_lookup(index)) != NULL) { - if (bind) { - p->bindcnt++; - p->refcnt++; - } - a->priv = p; - } - return p; -} - -static inline struct tcf_st * -tcf_hash_create(u32 index, struct rtattr *est, struct tc_action *a, int size, int ovr, int bind) -{ - struct tcf_st *p = NULL; - - p = kmalloc(size, GFP_KERNEL); - if (p == NULL) - return p; - - memset(p, 0, size); - p->refcnt = 1; - - if (bind) { - p->bindcnt = 1; - } - - spin_lock_init(&p->lock); - p->stats_lock = &p->lock; - p->index = index ? : tcf_hash_new_index(); - p->tm.install = jiffies; - p->tm.lastuse = jiffies; -#ifdef CONFIG_NET_ESTIMATOR - if (est) - gen_new_estimator(&p->bstats, &p->rate_est, p->stats_lock, est); -#endif - a->priv = (void *) p; - return p; -} - -static inline void tcf_hash_insert(struct tcf_st *p) -{ - unsigned h = tcf_hash(p->index); - - write_lock_bh(&tcf_t_lock); - p->next = tcf_ht[h]; - tcf_ht[h] = p; - write_unlock_bh(&tcf_t_lock); -} - -#endif - -#endif |