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62 lines
2.1 KiB
62 lines
2.1 KiB
#ifndef __NET_TC_IFE_H |
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#define __NET_TC_IFE_H |
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#include <net/act_api.h> |
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#include <linux/etherdevice.h> |
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#include <linux/rtnetlink.h> |
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#include <linux/module.h> |
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#define IFE_METAHDRLEN 2 |
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struct tcf_ife_info { |
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struct tc_action common; |
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u8 eth_dst[ETH_ALEN]; |
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u8 eth_src[ETH_ALEN]; |
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u16 eth_type; |
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u16 flags; |
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/* list of metaids allowed */ |
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struct list_head metalist; |
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}; |
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#define to_ife(a) ((struct tcf_ife_info *)a) |
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struct tcf_meta_info { |
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const struct tcf_meta_ops *ops; |
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void *metaval; |
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u16 metaid; |
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struct list_head metalist; |
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}; |
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struct tcf_meta_ops { |
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u16 metaid; /*Maintainer provided ID */ |
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u16 metatype; /*netlink attribute type (look at net/netlink.h) */ |
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const char *name; |
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const char *synopsis; |
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struct list_head list; |
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int (*check_presence)(struct sk_buff *, struct tcf_meta_info *); |
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int (*encode)(struct sk_buff *, void *, struct tcf_meta_info *); |
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int (*decode)(struct sk_buff *, void *, u16 len); |
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int (*get)(struct sk_buff *skb, struct tcf_meta_info *mi); |
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int (*alloc)(struct tcf_meta_info *, void *, gfp_t); |
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void (*release)(struct tcf_meta_info *); |
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int (*validate)(void *val, int len); |
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struct module *owner; |
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}; |
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#define MODULE_ALIAS_IFE_META(metan) MODULE_ALIAS("ifemeta" __stringify_1(metan)) |
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int ife_get_meta_u32(struct sk_buff *skb, struct tcf_meta_info *mi); |
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int ife_get_meta_u16(struct sk_buff *skb, struct tcf_meta_info *mi); |
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int ife_tlv_meta_encode(void *skbdata, u16 attrtype, u16 dlen, |
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const void *dval); |
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int ife_alloc_meta_u32(struct tcf_meta_info *mi, void *metaval, gfp_t gfp); |
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int ife_alloc_meta_u16(struct tcf_meta_info *mi, void *metaval, gfp_t gfp); |
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int ife_check_meta_u32(u32 metaval, struct tcf_meta_info *mi); |
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int ife_check_meta_u16(u16 metaval, struct tcf_meta_info *mi); |
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int ife_encode_meta_u32(u32 metaval, void *skbdata, struct tcf_meta_info *mi); |
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int ife_validate_meta_u32(void *val, int len); |
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int ife_validate_meta_u16(void *val, int len); |
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int ife_encode_meta_u16(u16 metaval, void *skbdata, struct tcf_meta_info *mi); |
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void ife_release_meta_gen(struct tcf_meta_info *mi); |
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int register_ife_op(struct tcf_meta_ops *mops); |
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int unregister_ife_op(struct tcf_meta_ops *mops); |
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#endif /* __NET_TC_IFE_H */
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