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