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- /* SPDX-License-Identifier: GPL-2.0 */
- #ifndef __NET_TC_IFE_H
- #define __NET_TC_IFE_H
- #include <net/act_api.h>
- #include <linux/etherdevice.h>
- #include <linux/rtnetlink.h>
- #include <linux/module.h>
- struct tcf_ife_info {
- struct tc_action common;
- u8 eth_dst[ETH_ALEN];
- u8 eth_src[ETH_ALEN];
- u16 eth_type;
- u16 flags;
- /* list of metaids allowed */
- struct list_head metalist;
- };
- #define to_ife(a) ((struct tcf_ife_info *)a)
- struct tcf_meta_info {
- const struct tcf_meta_ops *ops;
- void *metaval;
- u16 metaid;
- struct list_head metalist;
- };
- struct tcf_meta_ops {
- u16 metaid; /*Maintainer provided ID */
- u16 metatype; /*netlink attribute type (look at net/netlink.h) */
- const char *name;
- const char *synopsis;
- struct list_head list;
- int (*check_presence)(struct sk_buff *, struct tcf_meta_info *);
- int (*encode)(struct sk_buff *, void *, struct tcf_meta_info *);
- int (*decode)(struct sk_buff *, void *, u16 len);
- int (*get)(struct sk_buff *skb, struct tcf_meta_info *mi);
- int (*alloc)(struct tcf_meta_info *, void *, gfp_t);
- void (*release)(struct tcf_meta_info *);
- int (*validate)(void *val, int len);
- struct module *owner;
- };
- #define MODULE_ALIAS_IFE_META(metan) MODULE_ALIAS("ifemeta" __stringify_1(metan))
- int ife_get_meta_u32(struct sk_buff *skb, struct tcf_meta_info *mi);
- int ife_get_meta_u16(struct sk_buff *skb, struct tcf_meta_info *mi);
- int ife_alloc_meta_u32(struct tcf_meta_info *mi, void *metaval, gfp_t gfp);
- int ife_alloc_meta_u16(struct tcf_meta_info *mi, void *metaval, gfp_t gfp);
- int ife_check_meta_u32(u32 metaval, struct tcf_meta_info *mi);
- int ife_check_meta_u16(u16 metaval, struct tcf_meta_info *mi);
- int ife_encode_meta_u32(u32 metaval, void *skbdata, struct tcf_meta_info *mi);
- int ife_validate_meta_u32(void *val, int len);
- int ife_validate_meta_u16(void *val, int len);
- int ife_encode_meta_u16(u16 metaval, void *skbdata, struct tcf_meta_info *mi);
- void ife_release_meta_gen(struct tcf_meta_info *mi);
- int register_ife_op(struct tcf_meta_ops *mops);
- int unregister_ife_op(struct tcf_meta_ops *mops);
- #endif /* __NET_TC_IFE_H */
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