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mlxsw: spectrum: Add support for Policing and Counting action block

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Add support for Policing and Counting action block. This action block
will be used to bind counter to TCAM entries.

Signed-off-by: Arkadi Sharshevsky <arkadis@mellanox.com>
Reviewed-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Arkadi Sharshevsky 2017-03-11 09:42:57 +01:00 committed by David S. Miller
parent 446a154187
commit 938ab60860
2 changed files with 53 additions and 0 deletions
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51
drivers/net/ethernet/mellanox/mlxsw/core_acl_flex_actions.c
View File

@ -760,3 +760,54 @@ err_append_action:
return err;
}
EXPORT_SYMBOL(mlxsw_afa_block_append_fwd);
/* Policing and Counting Action
* ----------------------------
* Policing and Counting action is used for binding policer and counter
* to ACL rules.
*/
#define MLXSW_AFA_POLCNT_CODE 0x08
#define MLXSW_AFA_POLCNT_SIZE 1
enum mlxsw_afa_polcnt_counter_set_type {
/* No count */
MLXSW_AFA_POLCNT_COUNTER_SET_TYPE_NO_COUNT = 0x00,
/* Count packets and bytes */
MLXSW_AFA_POLCNT_COUNTER_SET_TYPE_PACKETS_BYTES = 0x03,
/* Count only packets */
MLXSW_AFA_POLCNT_COUNTER_SET_TYPE_PACKETS = 0x05,
};
/* afa_polcnt_counter_set_type
* Counter set type for flow counters.
*/
MLXSW_ITEM32(afa, polcnt, counter_set_type, 0x04, 24, 8);
/* afa_polcnt_counter_index
* Counter index for flow counters.
*/
MLXSW_ITEM32(afa, polcnt, counter_index, 0x04, 0, 24);
static inline void
mlxsw_afa_polcnt_pack(char *payload,
enum mlxsw_afa_polcnt_counter_set_type set_type,
u32 counter_index)
{
mlxsw_afa_polcnt_counter_set_type_set(payload, set_type);
mlxsw_afa_polcnt_counter_index_set(payload, counter_index);
}
int mlxsw_afa_block_append_counter(struct mlxsw_afa_block *block,
u32 counter_index)
{
char *act = mlxsw_afa_block_append_action(block,
MLXSW_AFA_POLCNT_CODE,
MLXSW_AFA_POLCNT_SIZE);
if (!act)
return -ENOBUFS;
mlxsw_afa_polcnt_pack(act, MLXSW_AFA_POLCNT_COUNTER_SET_TYPE_PACKETS_BYTES,
counter_index);
return 0;
}
EXPORT_SYMBOL(mlxsw_afa_block_append_counter);

2
drivers/net/ethernet/mellanox/mlxsw/core_acl_flex_actions.h
View File

@ -64,5 +64,7 @@ int mlxsw_afa_block_append_fwd(struct mlxsw_afa_block *block,
u8 local_port, bool in_port);
int mlxsw_afa_block_append_vlan_modify(struct mlxsw_afa_block *block,
u16 vid, u8 pcp, u8 et);
int mlxsw_afa_block_append_counter(struct mlxsw_afa_block *block,
u32 counter_index);
#endif