1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */ 2*4882a593Smuzhiyun #ifndef __NET_TC_IFE_H 3*4882a593Smuzhiyun #define __NET_TC_IFE_H 4*4882a593Smuzhiyun 5*4882a593Smuzhiyun #include <net/act_api.h> 6*4882a593Smuzhiyun #include <linux/etherdevice.h> 7*4882a593Smuzhiyun #include <linux/rtnetlink.h> 8*4882a593Smuzhiyun 9*4882a593Smuzhiyun struct module; 10*4882a593Smuzhiyun 11*4882a593Smuzhiyun struct tcf_ife_params { 12*4882a593Smuzhiyun u8 eth_dst[ETH_ALEN]; 13*4882a593Smuzhiyun u8 eth_src[ETH_ALEN]; 14*4882a593Smuzhiyun u16 eth_type; 15*4882a593Smuzhiyun u16 flags; 16*4882a593Smuzhiyun 17*4882a593Smuzhiyun struct rcu_head rcu; 18*4882a593Smuzhiyun }; 19*4882a593Smuzhiyun 20*4882a593Smuzhiyun struct tcf_ife_info { 21*4882a593Smuzhiyun struct tc_action common; 22*4882a593Smuzhiyun struct tcf_ife_params __rcu *params; 23*4882a593Smuzhiyun /* list of metaids allowed */ 24*4882a593Smuzhiyun struct list_head metalist; 25*4882a593Smuzhiyun }; 26*4882a593Smuzhiyun #define to_ife(a) ((struct tcf_ife_info *)a) 27*4882a593Smuzhiyun 28*4882a593Smuzhiyun struct tcf_meta_info { 29*4882a593Smuzhiyun const struct tcf_meta_ops *ops; 30*4882a593Smuzhiyun void *metaval; 31*4882a593Smuzhiyun u16 metaid; 32*4882a593Smuzhiyun struct list_head metalist; 33*4882a593Smuzhiyun }; 34*4882a593Smuzhiyun 35*4882a593Smuzhiyun struct tcf_meta_ops { 36*4882a593Smuzhiyun u16 metaid; /*Maintainer provided ID */ 37*4882a593Smuzhiyun u16 metatype; /*netlink attribute type (look at net/netlink.h) */ 38*4882a593Smuzhiyun const char *name; 39*4882a593Smuzhiyun const char *synopsis; 40*4882a593Smuzhiyun struct list_head list; 41*4882a593Smuzhiyun int (*check_presence)(struct sk_buff *, struct tcf_meta_info *); 42*4882a593Smuzhiyun int (*encode)(struct sk_buff *, void *, struct tcf_meta_info *); 43*4882a593Smuzhiyun int (*decode)(struct sk_buff *, void *, u16 len); 44*4882a593Smuzhiyun int (*get)(struct sk_buff *skb, struct tcf_meta_info *mi); 45*4882a593Smuzhiyun int (*alloc)(struct tcf_meta_info *, void *, gfp_t); 46*4882a593Smuzhiyun void (*release)(struct tcf_meta_info *); 47*4882a593Smuzhiyun int (*validate)(void *val, int len); 48*4882a593Smuzhiyun struct module *owner; 49*4882a593Smuzhiyun }; 50*4882a593Smuzhiyun 51*4882a593Smuzhiyun #define MODULE_ALIAS_IFE_META(metan) MODULE_ALIAS("ife-meta-" metan) 52*4882a593Smuzhiyun 53*4882a593Smuzhiyun int ife_get_meta_u32(struct sk_buff *skb, struct tcf_meta_info *mi); 54*4882a593Smuzhiyun int ife_get_meta_u16(struct sk_buff *skb, struct tcf_meta_info *mi); 55*4882a593Smuzhiyun int ife_alloc_meta_u32(struct tcf_meta_info *mi, void *metaval, gfp_t gfp); 56*4882a593Smuzhiyun int ife_alloc_meta_u16(struct tcf_meta_info *mi, void *metaval, gfp_t gfp); 57*4882a593Smuzhiyun int ife_check_meta_u32(u32 metaval, struct tcf_meta_info *mi); 58*4882a593Smuzhiyun int ife_check_meta_u16(u16 metaval, struct tcf_meta_info *mi); 59*4882a593Smuzhiyun int ife_encode_meta_u32(u32 metaval, void *skbdata, struct tcf_meta_info *mi); 60*4882a593Smuzhiyun int ife_validate_meta_u32(void *val, int len); 61*4882a593Smuzhiyun int ife_validate_meta_u16(void *val, int len); 62*4882a593Smuzhiyun int ife_encode_meta_u16(u16 metaval, void *skbdata, struct tcf_meta_info *mi); 63*4882a593Smuzhiyun void ife_release_meta_gen(struct tcf_meta_info *mi); 64*4882a593Smuzhiyun int register_ife_op(struct tcf_meta_ops *mops); 65*4882a593Smuzhiyun int unregister_ife_op(struct tcf_meta_ops *mops); 66*4882a593Smuzhiyun 67*4882a593Smuzhiyun #endif /* __NET_TC_IFE_H */ 68