1 /* 2 * Copyright (c) 2008, Intel Corporation. 3 * 4 * This program is free software; you can redistribute it and/or modify it 5 * under the terms and conditions of the GNU General Public License, 6 * version 2, as published by the Free Software Foundation. 7 * 8 * This program is distributed in the hope it will be useful, but WITHOUT 9 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 10 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 11 * more details. 12 * 13 * You should have received a copy of the GNU General Public License along with 14 * this program; if not, see <http://www.gnu.org/licenses/>. 15 * 16 * Author: Alexander Duyck <alexander.h.duyck@intel.com> 17 */ 18 19 #ifndef __NET_TC_SKBEDIT_H 20 #define __NET_TC_SKBEDIT_H 21 22 #include <net/act_api.h> 23 #include <linux/tc_act/tc_skbedit.h> 24 25 struct tcf_skbedit_params { 26 u32 flags; 27 u32 priority; 28 u32 mark; 29 u32 mask; 30 u16 queue_mapping; 31 u16 ptype; 32 struct rcu_head rcu; 33 }; 34 35 struct tcf_skbedit { 36 struct tc_action common; 37 struct tcf_skbedit_params __rcu *params; 38 }; 39 #define to_skbedit(a) ((struct tcf_skbedit *)a) 40 41 /* Return true iff action is mark */ 42 static inline bool is_tcf_skbedit_mark(const struct tc_action *a) 43 { 44 #ifdef CONFIG_NET_CLS_ACT 45 u32 flags; 46 47 if (a->ops && a->ops->type == TCA_ACT_SKBEDIT) { 48 rcu_read_lock(); 49 flags = rcu_dereference(to_skbedit(a)->params)->flags; 50 rcu_read_unlock(); 51 return flags == SKBEDIT_F_MARK; 52 } 53 #endif 54 return false; 55 } 56 57 static inline u32 tcf_skbedit_mark(const struct tc_action *a) 58 { 59 u32 mark; 60 61 rcu_read_lock(); 62 mark = rcu_dereference(to_skbedit(a)->params)->mark; 63 rcu_read_unlock(); 64 65 return mark; 66 } 67 68 #endif /* __NET_TC_SKBEDIT_H */ 69