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Commit ffe2e217 authored by Or Gerlitz's avatar Or Gerlitz Committed by Saeed Mahameed
Browse files

net/sched: Add accessor functions to pedit keys for offloading drivers 



HW drivers will use the header-type and command fields from the extended
keys, and some fields (e.g mask, val, offset) from the legacy keys.

Signed-off-by: default avatarOr Gerlitz <ogerlitz@mellanox.com>
Reviewed-by: default avatarHadar Hen Zion <hadarh@mellanox.com>
Signed-off-by: default avatarSaeed Mahameed <saeedm@mellanox.com>
parent 2de24fed

include/net/tc_act/tc_pedit.h

+45 −0
Original line number Diff line number Diff line
@@ -2,6 +2,7 @@ 
#define __NET_TC_PED_H



#include <net/act_api.h>

#include <linux/tc_act/tc_pedit.h>



struct tcf_pedit_key_ex {

	enum pedit_header_type htype;
@@ -17,4 +18,48 @@ struct tcf_pedit { 
};

#define to_pedit(a) ((struct tcf_pedit *)a)



static inline bool is_tcf_pedit(const struct tc_action *a)

{

#ifdef CONFIG_NET_CLS_ACT

	if (a->ops && a->ops->type == TCA_ACT_PEDIT)

		return true;

#endif

	return false;

}



static inline int tcf_pedit_nkeys(const struct tc_action *a)

{

	return to_pedit(a)->tcfp_nkeys;

}



static inline u32 tcf_pedit_htype(const struct tc_action *a, int index)

{

	if (to_pedit(a)->tcfp_keys_ex)

		return to_pedit(a)->tcfp_keys_ex[index].htype;



	return TCA_PEDIT_KEY_EX_HDR_TYPE_NETWORK;

}



static inline u32 tcf_pedit_cmd(const struct tc_action *a, int index)

{

	if (to_pedit(a)->tcfp_keys_ex)

		return to_pedit(a)->tcfp_keys_ex[index].cmd;



	return __PEDIT_CMD_MAX;

}



static inline u32 tcf_pedit_mask(const struct tc_action *a, int index)

{

	return to_pedit(a)->tcfp_keys[index].mask;

}



static inline u32 tcf_pedit_val(const struct tc_action *a, int index)

{

	return to_pedit(a)->tcfp_keys[index].val;

}



static inline u32 tcf_pedit_offset(const struct tc_action *a, int index)

{

	return to_pedit(a)->tcfp_keys[index].off;

}

#endif /* __NET_TC_PED_H */