1b2441318SGreg Kroah-Hartman /* SPDX-License-Identifier: GPL-2.0 */ 2ef6980b6SJamal Hadi Salim #ifndef __NET_TC_IFE_H 3ef6980b6SJamal Hadi Salim #define __NET_TC_IFE_H 4ef6980b6SJamal Hadi Salim 5ef6980b6SJamal Hadi Salim #include <net/act_api.h> 6ef6980b6SJamal Hadi Salim #include <linux/etherdevice.h> 7ef6980b6SJamal Hadi Salim #include <linux/rtnetlink.h> 8*a130f9b2SPaul Gortmaker 9*a130f9b2SPaul Gortmaker struct module; 10ef6980b6SJamal Hadi Salim 11aa9fd9a3SAlexander Aring struct tcf_ife_params { 12ef6980b6SJamal Hadi Salim u8 eth_dst[ETH_ALEN]; 13ef6980b6SJamal Hadi Salim u8 eth_src[ETH_ALEN]; 14ef6980b6SJamal Hadi Salim u16 eth_type; 15ef6980b6SJamal Hadi Salim u16 flags; 16aa9fd9a3SAlexander Aring 17aa9fd9a3SAlexander Aring struct rcu_head rcu; 18aa9fd9a3SAlexander Aring }; 19aa9fd9a3SAlexander Aring 20aa9fd9a3SAlexander Aring struct tcf_ife_info { 21aa9fd9a3SAlexander Aring struct tc_action common; 22aa9fd9a3SAlexander Aring struct tcf_ife_params __rcu *params; 23ef6980b6SJamal Hadi Salim /* list of metaids allowed */ 24ef6980b6SJamal Hadi Salim struct list_head metalist; 25ef6980b6SJamal Hadi Salim }; 26a85a970aSWANG Cong #define to_ife(a) ((struct tcf_ife_info *)a) 27ef6980b6SJamal Hadi Salim 28ef6980b6SJamal Hadi Salim struct tcf_meta_info { 29ef6980b6SJamal Hadi Salim const struct tcf_meta_ops *ops; 30ef6980b6SJamal Hadi Salim void *metaval; 31ef6980b6SJamal Hadi Salim u16 metaid; 32ef6980b6SJamal Hadi Salim struct list_head metalist; 33ef6980b6SJamal Hadi Salim }; 34ef6980b6SJamal Hadi Salim 35ef6980b6SJamal Hadi Salim struct tcf_meta_ops { 36ef6980b6SJamal Hadi Salim u16 metaid; /*Maintainer provided ID */ 37ef6980b6SJamal Hadi Salim u16 metatype; /*netlink attribute type (look at net/netlink.h) */ 38ef6980b6SJamal Hadi Salim const char *name; 39ef6980b6SJamal Hadi Salim const char *synopsis; 40ef6980b6SJamal Hadi Salim struct list_head list; 41ef6980b6SJamal Hadi Salim int (*check_presence)(struct sk_buff *, struct tcf_meta_info *); 42ef6980b6SJamal Hadi Salim int (*encode)(struct sk_buff *, void *, struct tcf_meta_info *); 43ef6980b6SJamal Hadi Salim int (*decode)(struct sk_buff *, void *, u16 len); 44ef6980b6SJamal Hadi Salim int (*get)(struct sk_buff *skb, struct tcf_meta_info *mi); 45067a7cd0SWANG Cong int (*alloc)(struct tcf_meta_info *, void *, gfp_t); 46ef6980b6SJamal Hadi Salim void (*release)(struct tcf_meta_info *); 47ef6980b6SJamal Hadi Salim int (*validate)(void *val, int len); 48ef6980b6SJamal Hadi Salim struct module *owner; 49ef6980b6SJamal Hadi Salim }; 50ef6980b6SJamal Hadi Salim 518f047480SRoman Mashak #define MODULE_ALIAS_IFE_META(metan) MODULE_ALIAS("ife-meta-" metan) 52ef6980b6SJamal Hadi Salim 53ef6980b6SJamal Hadi Salim int ife_get_meta_u32(struct sk_buff *skb, struct tcf_meta_info *mi); 54ef6980b6SJamal Hadi Salim int ife_get_meta_u16(struct sk_buff *skb, struct tcf_meta_info *mi); 55067a7cd0SWANG Cong int ife_alloc_meta_u32(struct tcf_meta_info *mi, void *metaval, gfp_t gfp); 56067a7cd0SWANG Cong int ife_alloc_meta_u16(struct tcf_meta_info *mi, void *metaval, gfp_t gfp); 57ef6980b6SJamal Hadi Salim int ife_check_meta_u32(u32 metaval, struct tcf_meta_info *mi); 586a5d58b6SJamal Hadi Salim int ife_check_meta_u16(u16 metaval, struct tcf_meta_info *mi); 59ef6980b6SJamal Hadi Salim int ife_encode_meta_u32(u32 metaval, void *skbdata, struct tcf_meta_info *mi); 60ef6980b6SJamal Hadi Salim int ife_validate_meta_u32(void *val, int len); 61ef6980b6SJamal Hadi Salim int ife_validate_meta_u16(void *val, int len); 626a5d58b6SJamal Hadi Salim int ife_encode_meta_u16(u16 metaval, void *skbdata, struct tcf_meta_info *mi); 63ef6980b6SJamal Hadi Salim void ife_release_meta_gen(struct tcf_meta_info *mi); 64ef6980b6SJamal Hadi Salim int register_ife_op(struct tcf_meta_ops *mops); 65ef6980b6SJamal Hadi Salim int unregister_ife_op(struct tcf_meta_ops *mops); 66ef6980b6SJamal Hadi Salim 67ef6980b6SJamal Hadi Salim #endif /* __NET_TC_IFE_H */ 68