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mlxsw: core: Add QOS_ACTION

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The QOS_ACTION is used for manipulating the QoS attributes of a packet.
Add the corresponding defines and helpers, in particular for the
switch_priority override.

Signed-off-by: Petr Machata <petrm@mellanox.com>
Reviewed-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Petr Machata 2020-03-19 15:47:22 +02:00 committed by David S. Miller
parent 2ce124109c
commit 4d745f8cf5
1 changed files with 35 additions and 0 deletions
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35
drivers/net/ethernet/mellanox/mlxsw/core_acl_flex_actions.c
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@ -1238,6 +1238,41 @@ err_append_allocated_mirror:
}
EXPORT_SYMBOL(mlxsw_afa_block_append_mirror);
/* QoS Action
* ----------
* The QOS_ACTION is used for manipulating the QoS attributes of a packet. It
* can be used to change the DCSP, ECN, Color and Switch Priority of the packet.
* Note that PCP field can be changed using the VLAN action.
*/
#define MLXSW_AFA_QOS_CODE 0x06
#define MLXSW_AFA_QOS_SIZE 1
enum mlxsw_afa_qos_cmd {
/* Do nothing */
MLXSW_AFA_QOS_CMD_NOP,
/* Set a field */
MLXSW_AFA_QOS_CMD_SET,
};
/* afa_qos_switch_prio_cmd
* Switch Priority command as per mlxsw_afa_qos_cmd.
*/
MLXSW_ITEM32(afa, qos, switch_prio_cmd, 0x08, 14, 2);
/* afa_qos_switch_prio
* Switch Priority.
*/
MLXSW_ITEM32(afa, qos, switch_prio, 0x08, 0, 4);
static inline void
mlxsw_afa_qos_switch_prio_pack(char *payload,
enum mlxsw_afa_qos_cmd prio_cmd, u8 prio)
{
mlxsw_afa_qos_switch_prio_cmd_set(payload, prio_cmd);
mlxsw_afa_qos_switch_prio_set(payload, prio);
}
/* Forwarding Action
* -----------------
* Forwarding Action can be used to implement Policy Based Switching (PBS)