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-rw-r--r--include/net/pkt_act.h273
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 @@
1#ifndef __NET_PKT_ACT_H
2#define __NET_PKT_ACT_H
3
4#include <asm/uaccess.h>
5#include <asm/system.h>
6#include <linux/bitops.h>
7#include <linux/types.h>
8#include <linux/kernel.h>
9#include <linux/sched.h>
10#include <linux/string.h>
11#include <linux/mm.h>
12#include <linux/socket.h>
13#include <linux/sockios.h>
14#include <linux/in.h>
15#include <linux/errno.h>
16#include <linux/interrupt.h>
17#include <linux/skbuff.h>
18#include <linux/rtnetlink.h>
19#include <linux/module.h>
20#include <linux/init.h>
21#include <linux/proc_fs.h>
22#include <net/sock.h>
23#include <net/pkt_sched.h>
24
25#define tca_st(val) (struct tcf_##val *)
26#define PRIV(a,name) ( tca_st(name) (a)->priv)
27
28#if 0 /* control */
29#define DPRINTK(format,args...) printk(KERN_DEBUG format,##args)
30#else
31#define DPRINTK(format,args...)
32#endif
33
34#if 0 /* data */
35#define D2PRINTK(format,args...) printk(KERN_DEBUG format,##args)
36#else
37#define D2PRINTK(format,args...)
38#endif
39
40static __inline__ unsigned
41tcf_hash(u32 index)
42{
43 return index & MY_TAB_MASK;
44}
45
46/* probably move this from being inline
47 * and put into act_generic
48*/
49static inline void
50tcf_hash_destroy(struct tcf_st *p)
51{
52 unsigned h = tcf_hash(p->index);
53 struct tcf_st **p1p;
54
55 for (p1p = &tcf_ht[h]; *p1p; p1p = &(*p1p)->next) {
56 if (*p1p == p) {
57 write_lock_bh(&tcf_t_lock);
58 *p1p = p->next;
59 write_unlock_bh(&tcf_t_lock);
60#ifdef CONFIG_NET_ESTIMATOR
61 gen_kill_estimator(&p->bstats, &p->rate_est);
62#endif
63 kfree(p);
64 return;
65 }
66 }
67 BUG_TRAP(0);
68}
69
70static inline int
71tcf_hash_release(struct tcf_st *p, int bind )
72{
73 int ret = 0;
74 if (p) {
75 if (bind) {
76 p->bindcnt--;
77 }
78 p->refcnt--;
79 if(p->bindcnt <=0 && p->refcnt <= 0) {
80 tcf_hash_destroy(p);
81 ret = 1;
82 }
83 }
84 return ret;
85}
86
87static __inline__ int
88tcf_dump_walker(struct sk_buff *skb, struct netlink_callback *cb,
89 struct tc_action *a)
90{
91 struct tcf_st *p;
92 int err =0, index = -1,i= 0, s_i = 0, n_i = 0;
93 struct rtattr *r ;
94
95 read_lock(&tcf_t_lock);
96
97 s_i = cb->args[0];
98
99 for (i = 0; i < MY_TAB_SIZE; i++) {
100 p = tcf_ht[tcf_hash(i)];
101
102 for (; p; p = p->next) {
103 index++;
104 if (index < s_i)
105 continue;
106 a->priv = p;
107 a->order = n_i;
108 r = (struct rtattr*) skb->tail;
109 RTA_PUT(skb, a->order, 0, NULL);
110 err = tcf_action_dump_1(skb, a, 0, 0);
111 if (0 > err) {
112 index--;
113 skb_trim(skb, (u8*)r - skb->data);
114 goto done;
115 }
116 r->rta_len = skb->tail - (u8*)r;
117 n_i++;
118 if (n_i >= TCA_ACT_MAX_PRIO) {
119 goto done;
120 }
121 }
122 }
123done:
124 read_unlock(&tcf_t_lock);
125 if (n_i)
126 cb->args[0] += n_i;
127 return n_i;
128
129rtattr_failure:
130 skb_trim(skb, (u8*)r - skb->data);
131 goto done;
132}
133
134static __inline__ int
135tcf_del_walker(struct sk_buff *skb, struct tc_action *a)
136{
137 struct tcf_st *p, *s_p;
138 struct rtattr *r ;
139 int i= 0, n_i = 0;
140
141 r = (struct rtattr*) skb->tail;
142 RTA_PUT(skb, a->order, 0, NULL);
143 RTA_PUT(skb, TCA_KIND, IFNAMSIZ, a->ops->kind);
144 for (i = 0; i < MY_TAB_SIZE; i++) {
145 p = tcf_ht[tcf_hash(i)];
146
147 while (p != NULL) {
148 s_p = p->next;
149 if (ACT_P_DELETED == tcf_hash_release(p, 0)) {
150 module_put(a->ops->owner);
151 }
152 n_i++;
153 p = s_p;
154 }
155 }
156 RTA_PUT(skb, TCA_FCNT, 4, &n_i);
157 r->rta_len = skb->tail - (u8*)r;
158
159 return n_i;
160rtattr_failure:
161 skb_trim(skb, (u8*)r - skb->data);
162 return -EINVAL;
163}
164
165static __inline__ int
166tcf_generic_walker(struct sk_buff *skb, struct netlink_callback *cb, int type,
167 struct tc_action *a)
168{
169 if (type == RTM_DELACTION) {
170 return tcf_del_walker(skb,a);
171 } else if (type == RTM_GETACTION) {
172 return tcf_dump_walker(skb,cb,a);
173 } else {
174 printk("tcf_generic_walker: unknown action %d\n",type);
175 return -EINVAL;
176 }
177}
178
179static __inline__ struct tcf_st *
180tcf_hash_lookup(u32 index)
181{
182 struct tcf_st *p;
183
184 read_lock(&tcf_t_lock);
185 for (p = tcf_ht[tcf_hash(index)]; p; p = p->next) {
186 if (p->index == index)
187 break;
188 }
189 read_unlock(&tcf_t_lock);
190 return p;
191}
192
193static __inline__ u32
194tcf_hash_new_index(void)
195{
196 do {
197 if (++idx_gen == 0)
198 idx_gen = 1;
199 } while (tcf_hash_lookup(idx_gen));
200
201 return idx_gen;
202}
203
204
205static inline int
206tcf_hash_search(struct tc_action *a, u32 index)
207{
208 struct tcf_st *p = tcf_hash_lookup(index);
209
210 if (p != NULL) {
211 a->priv = p;
212 return 1;
213 }
214 return 0;
215}
216
217#ifdef CONFIG_NET_ACT_INIT
218static inline struct tcf_st *
219tcf_hash_check(u32 index, struct tc_action *a, int ovr, int bind)
220{
221 struct tcf_st *p = NULL;
222 if (index && (p = tcf_hash_lookup(index)) != NULL) {
223 if (bind) {
224 p->bindcnt++;
225 p->refcnt++;
226 }
227 a->priv = p;
228 }
229 return p;
230}
231
232static inline struct tcf_st *
233tcf_hash_create(u32 index, struct rtattr *est, struct tc_action *a, int size, int ovr, int bind)
234{
235 struct tcf_st *p = NULL;
236
237 p = kmalloc(size, GFP_KERNEL);
238 if (p == NULL)
239 return p;
240
241 memset(p, 0, size);
242 p->refcnt = 1;
243
244 if (bind) {
245 p->bindcnt = 1;
246 }
247
248 spin_lock_init(&p->lock);
249 p->stats_lock = &p->lock;
250 p->index = index ? : tcf_hash_new_index();
251 p->tm.install = jiffies;
252 p->tm.lastuse = jiffies;
253#ifdef CONFIG_NET_ESTIMATOR
254 if (est)
255 gen_new_estimator(&p->bstats, &p->rate_est, p->stats_lock, est);
256#endif
257 a->priv = (void *) p;
258 return p;
259}
260
261static inline void tcf_hash_insert(struct tcf_st *p)
262{
263 unsigned h = tcf_hash(p->index);
264
265 write_lock_bh(&tcf_t_lock);
266 p->next = tcf_ht[h];
267 tcf_ht[h] = p;
268 write_unlock_bh(&tcf_t_lock);
269}
270
271#endif
272
273#endif
generated by cgit v1.2.2 (git 2.25.0) at 2024-10-06 18:47:36 -0400