Viewing file:  tc_pedit.h (2.32 KB) -rw-r--r--
Select action/file-type:
 (+) |  (+) |  (+) | Code (+) | Session (+) |  (+) | SDB (+) |  (+) |  (+) |  (+) |  (+) |  (+) |
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __NET_TC_PED_H
#define __NET_TC_PED_H
#include <net/act_api.h>
#include <linux/tc_act/tc_pedit.h>
#include <linux/types.h>
struct tcf_pedit_key_ex {
enum pedit_header_type htype;
enum pedit_cmd cmd;
};
struct tcf_pedit_parms {
struct tc_pedit_key *tcfp_keys;
struct tcf_pedit_key_ex *tcfp_keys_ex;
u32 tcfp_off_max_hint;
unsigned char tcfp_nkeys;
unsigned char tcfp_flags;
struct rcu_head rcu;
};
struct tcf_pedit {
struct tc_action common;
struct tcf_pedit_parms __rcu *parms;
};
#define to_pedit(a) ((struct tcf_pedit *)a)
#define to_pedit_parms(a) (rcu_dereference(to_pedit(a)->parms))
static inline bool is_tcf_pedit(const struct tc_action *a)
{
#ifdef CONFIG_NET_CLS_ACT
if (a->ops && a->ops->id == TCA_ID_PEDIT)
return true;
#endif
return false;
}
static inline int tcf_pedit_nkeys(const struct tc_action *a)
{
struct tcf_pedit_parms *parms;
int nkeys;
rcu_read_lock();
parms = to_pedit_parms(a);
nkeys = parms->tcfp_nkeys;
rcu_read_unlock();
return nkeys;
}
static inline u32 tcf_pedit_htype(const struct tc_action *a, int index)
{
u32 htype = TCA_PEDIT_KEY_EX_HDR_TYPE_NETWORK;
struct tcf_pedit_parms *parms;
rcu_read_lock();
parms = to_pedit_parms(a);
if (parms->tcfp_keys_ex)
htype = parms->tcfp_keys_ex[index].htype;
rcu_read_unlock();
return htype;
}
static inline u32 tcf_pedit_cmd(const struct tc_action *a, int index)
{
struct tcf_pedit_parms *parms;
u32 cmd = __PEDIT_CMD_MAX;
rcu_read_lock();
parms = to_pedit_parms(a);
if (parms->tcfp_keys_ex)
cmd = parms->tcfp_keys_ex[index].cmd;
rcu_read_unlock();
return cmd;
}
static inline u32 tcf_pedit_mask(const struct tc_action *a, int index)
{
struct tcf_pedit_parms *parms;
u32 mask;
rcu_read_lock();
parms = to_pedit_parms(a);
mask = parms->tcfp_keys[index].mask;
rcu_read_unlock();
return mask;
}
static inline u32 tcf_pedit_val(const struct tc_action *a, int index)
{
struct tcf_pedit_parms *parms;
u32 val;
rcu_read_lock();
parms = to_pedit_parms(a);
val = parms->tcfp_keys[index].val;
rcu_read_unlock();
return val;
}
static inline u32 tcf_pedit_offset(const struct tc_action *a, int index)
{
struct tcf_pedit_parms *parms;
u32 off;
rcu_read_lock();
parms = to_pedit_parms(a);
off = parms->tcfp_keys[index].off;
rcu_read_unlock();
return off;
}
#endif /* __NET_TC_PED_H */
|