1#ifndef __NET_TC_PED_H
 2#define __NET_TC_PED_H
 3
 4#include <net/act_api.h>
 
 
 5
 6struct tcf_pedit {
 7	struct tcf_common	common;
 8	unsigned char		tcfp_nkeys;
 9	unsigned char		tcfp_flags;
 
 
10	struct tc_pedit_key	*tcfp_keys;
 
 
 
 
 
11};
12#define to_pedit(a) \
13	container_of(a->priv, struct tcf_pedit, common)
14
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
15#endif /* __NET_TC_PED_H */

  1/* SPDX-License-Identifier: GPL-2.0 */
  2#ifndef __NET_TC_PED_H
  3#define __NET_TC_PED_H
  4
  5#include <net/act_api.h>
  6#include <linux/tc_act/tc_pedit.h>
  7#include <linux/types.h>
  8
  9struct tcf_pedit_key_ex {
 10	enum pedit_header_type htype;
 11	enum pedit_cmd cmd;
 12};
 13
 14struct tcf_pedit_parms {
 15	struct tc_pedit_key	*tcfp_keys;
 16	struct tcf_pedit_key_ex	*tcfp_keys_ex;
 17	u32 tcfp_off_max_hint;
 18	unsigned char tcfp_nkeys;
 19	unsigned char tcfp_flags;
 20	struct rcu_head rcu;
 21};
 
 
 22
 23struct tcf_pedit {
 24	struct tc_action common;
 25	struct tcf_pedit_parms __rcu *parms;
 26};
 27
 28#define to_pedit(a) ((struct tcf_pedit *)a)
 29#define to_pedit_parms(a) (rcu_dereference(to_pedit(a)->parms))
 30
 31static inline bool is_tcf_pedit(const struct tc_action *a)
 32{
 33#ifdef CONFIG_NET_CLS_ACT
 34	if (a->ops && a->ops->id == TCA_ID_PEDIT)
 35		return true;
 36#endif
 37	return false;
 38}
 39
 40static inline int tcf_pedit_nkeys(const struct tc_action *a)
 41{
 42	struct tcf_pedit_parms *parms;
 43	int nkeys;
 44
 45	rcu_read_lock();
 46	parms = to_pedit_parms(a);
 47	nkeys = parms->tcfp_nkeys;
 48	rcu_read_unlock();
 49
 50	return nkeys;
 51}
 52
 53static inline u32 tcf_pedit_htype(const struct tc_action *a, int index)
 54{
 55	u32 htype = TCA_PEDIT_KEY_EX_HDR_TYPE_NETWORK;
 56	struct tcf_pedit_parms *parms;
 57
 58	rcu_read_lock();
 59	parms = to_pedit_parms(a);
 60	if (parms->tcfp_keys_ex)
 61		htype = parms->tcfp_keys_ex[index].htype;
 62	rcu_read_unlock();
 63
 64	return htype;
 65}
 66
 67static inline u32 tcf_pedit_cmd(const struct tc_action *a, int index)
 68{
 69	struct tcf_pedit_parms *parms;
 70	u32 cmd = __PEDIT_CMD_MAX;
 71
 72	rcu_read_lock();
 73	parms = to_pedit_parms(a);
 74	if (parms->tcfp_keys_ex)
 75		cmd = parms->tcfp_keys_ex[index].cmd;
 76	rcu_read_unlock();
 77
 78	return cmd;
 79}
 80
 81static inline u32 tcf_pedit_mask(const struct tc_action *a, int index)
 82{
 83	struct tcf_pedit_parms *parms;
 84	u32 mask;
 85
 86	rcu_read_lock();
 87	parms = to_pedit_parms(a);
 88	mask = parms->tcfp_keys[index].mask;
 89	rcu_read_unlock();
 90
 91	return mask;
 92}
 93
 94static inline u32 tcf_pedit_val(const struct tc_action *a, int index)
 95{
 96	struct tcf_pedit_parms *parms;
 97	u32 val;
 98
 99	rcu_read_lock();
100	parms = to_pedit_parms(a);
101	val = parms->tcfp_keys[index].val;
102	rcu_read_unlock();
103
104	return val;
105}
106
107static inline u32 tcf_pedit_offset(const struct tc_action *a, int index)
108{
109	struct tcf_pedit_parms *parms;
110	u32 off;
111
112	rcu_read_lock();
113	parms = to_pedit_parms(a);
114	off = parms->tcfp_keys[index].off;
115	rcu_read_unlock();
116
117	return off;
118}
119#endif /* __NET_TC_PED_H */