Commit 69819d3b authored by Edward Cree's avatar Edward Cree Committed by Jakub Kicinski
Browse files

sfc: add function to atomically update a rule in the MAE 



efx_mae_update_rule() changes the action-set-list attached to an MAE
 flow rule in the Action Rule Table.
We will use this when neighbouring updates change encap actions.

Reviewed-by: default avatarPieter Jansen van Vuuren <pieter.jansen-van-vuuren@amd.com>
Signed-off-by: default avatarEdward Cree <ecree.xilinx@gmail.com>
Reviewed-by: default avatarSimon Horman <simon.horman@corigine.com>
Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent b4da4235

drivers/net/ethernet/sfc/mae.c

+23 −0
Original line number Diff line number Diff line
@@ -1229,6 +1229,29 @@ int efx_mae_insert_rule(struct efx_nic *efx, const struct efx_tc_match *match, 
	return 0;

}



int efx_mae_update_rule(struct efx_nic *efx, u32 acts_id, u32 id)

{

	MCDI_DECLARE_BUF(inbuf, MC_CMD_MAE_ACTION_RULE_UPDATE_IN_LEN);

	MCDI_DECLARE_STRUCT_PTR(response);



	BUILD_BUG_ON(MC_CMD_MAE_ACTION_RULE_UPDATE_OUT_LEN);

	response = _MCDI_DWORD(inbuf, MAE_ACTION_RULE_UPDATE_IN_RESPONSE);



	MCDI_SET_DWORD(inbuf, MAE_ACTION_RULE_UPDATE_IN_AR_ID, id);

	if (efx_mae_asl_id(acts_id)) {

		MCDI_STRUCT_SET_DWORD(response, MAE_ACTION_RULE_RESPONSE_ASL_ID, acts_id);

		MCDI_STRUCT_SET_DWORD(response, MAE_ACTION_RULE_RESPONSE_AS_ID,

				      MC_CMD_MAE_ACTION_SET_ALLOC_OUT_ACTION_SET_ID_NULL);

	} else {

		/* We only had one AS, so we didn't wrap it in an ASL */

		MCDI_STRUCT_SET_DWORD(response, MAE_ACTION_RULE_RESPONSE_ASL_ID,

				      MC_CMD_MAE_ACTION_SET_LIST_ALLOC_OUT_ACTION_SET_LIST_ID_NULL);

		MCDI_STRUCT_SET_DWORD(response, MAE_ACTION_RULE_RESPONSE_AS_ID, acts_id);

	}

	return efx_mcdi_rpc(efx, MC_CMD_MAE_ACTION_RULE_UPDATE, inbuf, sizeof(inbuf),

			    NULL, 0, NULL);

}



int efx_mae_delete_rule(struct efx_nic *efx, u32 id)

{

	MCDI_DECLARE_BUF(outbuf, MC_CMD_MAE_ACTION_RULE_DELETE_OUT_LEN(1));

drivers/net/ethernet/sfc/mae.h

+1 −0
Original line number Diff line number Diff line
@@ -105,6 +105,7 @@ int efx_mae_unregister_encap_match(struct efx_nic *efx, 


int efx_mae_insert_rule(struct efx_nic *efx, const struct efx_tc_match *match,

			u32 prio, u32 acts_id, u32 *id);

int efx_mae_update_rule(struct efx_nic *efx, u32 acts_id, u32 id);

int efx_mae_delete_rule(struct efx_nic *efx, u32 id);



int efx_init_mae(struct efx_nic *efx);