diff options
Diffstat (limited to 'include/net/act_generic.h')
-rw-r--r-- | include/net/act_generic.h | 142 |
1 files changed, 0 insertions, 142 deletions
diff --git a/include/net/act_generic.h b/include/net/act_generic.h deleted file mode 100644 index c9daa7e52300..000000000000 --- a/include/net/act_generic.h +++ /dev/null | |||
@@ -1,142 +0,0 @@ | |||
1 | /* | ||
2 | * include/net/act_generic.h | ||
3 | * | ||
4 | */ | ||
5 | #ifndef _NET_ACT_GENERIC_H | ||
6 | #define _NET_ACT_GENERIC_H | ||
7 | static inline int tcf_defact_release(struct tcf_defact *p, int bind) | ||
8 | { | ||
9 | int ret = 0; | ||
10 | if (p) { | ||
11 | if (bind) { | ||
12 | p->bindcnt--; | ||
13 | } | ||
14 | p->refcnt--; | ||
15 | if (p->bindcnt <= 0 && p->refcnt <= 0) { | ||
16 | kfree(p->defdata); | ||
17 | tcf_hash_destroy(p); | ||
18 | ret = 1; | ||
19 | } | ||
20 | } | ||
21 | return ret; | ||
22 | } | ||
23 | |||
24 | static inline int | ||
25 | alloc_defdata(struct tcf_defact *p, u32 datalen, void *defdata) | ||
26 | { | ||
27 | p->defdata = kmalloc(datalen, GFP_KERNEL); | ||
28 | if (p->defdata == NULL) | ||
29 | return -ENOMEM; | ||
30 | p->datalen = datalen; | ||
31 | memcpy(p->defdata, defdata, datalen); | ||
32 | return 0; | ||
33 | } | ||
34 | |||
35 | static inline int | ||
36 | realloc_defdata(struct tcf_defact *p, u32 datalen, void *defdata) | ||
37 | { | ||
38 | /* safer to be just brute force for now */ | ||
39 | kfree(p->defdata); | ||
40 | return alloc_defdata(p, datalen, defdata); | ||
41 | } | ||
42 | |||
43 | static inline int | ||
44 | tcf_defact_init(struct rtattr *rta, struct rtattr *est, | ||
45 | struct tc_action *a, int ovr, int bind) | ||
46 | { | ||
47 | struct rtattr *tb[TCA_DEF_MAX]; | ||
48 | struct tc_defact *parm; | ||
49 | struct tcf_defact *p; | ||
50 | void *defdata; | ||
51 | u32 datalen = 0; | ||
52 | int ret = 0; | ||
53 | |||
54 | if (rta == NULL || rtattr_parse_nested(tb, TCA_DEF_MAX, rta) < 0) | ||
55 | return -EINVAL; | ||
56 | |||
57 | if (tb[TCA_DEF_PARMS - 1] == NULL || | ||
58 | RTA_PAYLOAD(tb[TCA_DEF_PARMS - 1]) < sizeof(*parm)) | ||
59 | return -EINVAL; | ||
60 | |||
61 | parm = RTA_DATA(tb[TCA_DEF_PARMS - 1]); | ||
62 | defdata = RTA_DATA(tb[TCA_DEF_DATA - 1]); | ||
63 | if (defdata == NULL) | ||
64 | return -EINVAL; | ||
65 | |||
66 | datalen = RTA_PAYLOAD(tb[TCA_DEF_DATA - 1]); | ||
67 | if (datalen <= 0) | ||
68 | return -EINVAL; | ||
69 | |||
70 | p = tcf_hash_check(parm->index, a, ovr, bind); | ||
71 | if (p == NULL) { | ||
72 | p = tcf_hash_create(parm->index, est, a, sizeof(*p), ovr, bind); | ||
73 | if (p == NULL) | ||
74 | return -ENOMEM; | ||
75 | |||
76 | ret = alloc_defdata(p, datalen, defdata); | ||
77 | if (ret < 0) { | ||
78 | kfree(p); | ||
79 | return ret; | ||
80 | } | ||
81 | ret = ACT_P_CREATED; | ||
82 | } else { | ||
83 | if (!ovr) { | ||
84 | tcf_defact_release(p, bind); | ||
85 | return -EEXIST; | ||
86 | } | ||
87 | realloc_defdata(p, datalen, defdata); | ||
88 | } | ||
89 | |||
90 | spin_lock_bh(&p->lock); | ||
91 | p->action = parm->action; | ||
92 | spin_unlock_bh(&p->lock); | ||
93 | if (ret == ACT_P_CREATED) | ||
94 | tcf_hash_insert(p); | ||
95 | return ret; | ||
96 | } | ||
97 | |||
98 | static inline int tcf_defact_cleanup(struct tc_action *a, int bind) | ||
99 | { | ||
100 | struct tcf_defact *p = PRIV(a, defact); | ||
101 | |||
102 | if (p != NULL) | ||
103 | return tcf_defact_release(p, bind); | ||
104 | return 0; | ||
105 | } | ||
106 | |||
107 | static inline int | ||
108 | tcf_defact_dump(struct sk_buff *skb, struct tc_action *a, int bind, int ref) | ||
109 | { | ||
110 | unsigned char *b = skb->tail; | ||
111 | struct tc_defact opt; | ||
112 | struct tcf_defact *p = PRIV(a, defact); | ||
113 | struct tcf_t t; | ||
114 | |||
115 | opt.index = p->index; | ||
116 | opt.refcnt = p->refcnt - ref; | ||
117 | opt.bindcnt = p->bindcnt - bind; | ||
118 | opt.action = p->action; | ||
119 | RTA_PUT(skb, TCA_DEF_PARMS, sizeof(opt), &opt); | ||
120 | RTA_PUT(skb, TCA_DEF_DATA, p->datalen, p->defdata); | ||
121 | t.install = jiffies_to_clock_t(jiffies - p->tm.install); | ||
122 | t.lastuse = jiffies_to_clock_t(jiffies - p->tm.lastuse); | ||
123 | t.expires = jiffies_to_clock_t(p->tm.expires); | ||
124 | RTA_PUT(skb, TCA_DEF_TM, sizeof(t), &t); | ||
125 | return skb->len; | ||
126 | |||
127 | rtattr_failure: | ||
128 | skb_trim(skb, b - skb->data); | ||
129 | return -1; | ||
130 | } | ||
131 | |||
132 | #define tca_use_default_ops \ | ||
133 | .dump = tcf_defact_dump, \ | ||
134 | .cleanup = tcf_defact_cleanup, \ | ||
135 | .init = tcf_defact_init, \ | ||
136 | .walk = tcf_generic_walker, \ | ||
137 | |||
138 | #define tca_use_default_defines(name) \ | ||
139 | static u32 idx_gen; \ | ||
140 | static struct tcf_defact *tcf_##name_ht[MY_TAB_SIZE]; \ | ||
141 | static DEFINE_RWLOCK(##name_lock); | ||
142 | #endif /* _NET_ACT_GENERIC_H */ | ||