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Diffstat (limited to '')
-rw-r--r-- | include/net/tc_act/tc_pedit.h | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/include/net/tc_act/tc_pedit.h b/include/net/tc_act/tc_pedit.h new file mode 100644 index 0000000000..83fe399317 --- /dev/null +++ b/include/net/tc_act/tc_pedit.h @@ -0,0 +1,119 @@ +/* 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 */ |