1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /* 3 * Copyright (c) 2008, Intel Corporation. 4 * 5 * Author: Alexander Duyck <alexander.h.duyck@intel.com> 6 */ 7 8 #ifndef __NET_TC_SKBEDIT_H 9 #define __NET_TC_SKBEDIT_H 10 11 #include <net/act_api.h> 12 #include <linux/tc_act/tc_skbedit.h> 13 14 struct tcf_skbedit_params { 15 u32 flags; 16 u32 priority; 17 u32 mark; 18 u32 mask; 19 u16 queue_mapping; 20 u16 ptype; 21 struct rcu_head rcu; 22 }; 23 24 struct tcf_skbedit { 25 struct tc_action common; 26 struct tcf_skbedit_params __rcu *params; 27 }; 28 #define to_skbedit(a) ((struct tcf_skbedit *)a) 29 30 /* Return true iff action is mark */ 31 static inline bool is_tcf_skbedit_mark(const struct tc_action *a) 32 { 33 #ifdef CONFIG_NET_CLS_ACT 34 u32 flags; 35 36 if (a->ops && a->ops->id == TCA_ID_SKBEDIT) { 37 rcu_read_lock(); 38 flags = rcu_dereference(to_skbedit(a)->params)->flags; 39 rcu_read_unlock(); 40 return flags == SKBEDIT_F_MARK; 41 } 42 #endif 43 return false; 44 } 45 46 static inline u32 tcf_skbedit_mark(const struct tc_action *a) 47 { 48 u32 mark; 49 50 rcu_read_lock(); 51 mark = rcu_dereference(to_skbedit(a)->params)->mark; 52 rcu_read_unlock(); 53 54 return mark; 55 } 56 57 /* Return true iff action is ptype */ 58 static inline bool is_tcf_skbedit_ptype(const struct tc_action *a) 59 { 60 #ifdef CONFIG_NET_CLS_ACT 61 u32 flags; 62 63 if (a->ops && a->ops->id == TCA_ID_SKBEDIT) { 64 rcu_read_lock(); 65 flags = rcu_dereference(to_skbedit(a)->params)->flags; 66 rcu_read_unlock(); 67 return flags == SKBEDIT_F_PTYPE; 68 } 69 #endif 70 return false; 71 } 72 73 static inline u32 tcf_skbedit_ptype(const struct tc_action *a) 74 { 75 u16 ptype; 76 77 rcu_read_lock(); 78 ptype = rcu_dereference(to_skbedit(a)->params)->ptype; 79 rcu_read_unlock(); 80 81 return ptype; 82 } 83 84 #endif /* __NET_TC_SKBEDIT_H */ 85