4 /* flow director ethtool support for ice */
35  * flow type values
36  * @flow: filter type to be converted
38  * Returns the corresponding ethtool flow type.
40 static int ice_fltr_to_ethtool_flow(enum ice_fltr_ptype flow)  in ice_fltr_to_ethtool_flow()  argument
42 	switch (flow) {  in ice_fltr_to_ethtool_flow()
60 		/* 0 is undefined ethtool flow */  in ice_fltr_to_ethtool_flow()
66  * ice_ethtool_flow_to_fltr - convert ethtool flow type to filter enum
67  * @eth: Ethtool flow type to be converted
69  * Returns flow enum
260  * ice_fdir_get_hw_prof - return the ice_fd_hw_proc associated with a flow
263  * @flow: FDir flow type to release
266 ice_fdir_get_hw_prof(struct ice_hw *hw, enum ice_block blk, int flow)  in ice_fdir_get_hw_prof()  argument
269 		return hw->fdir_prof[flow];  in ice_fdir_get_hw_prof()
275  * ice_fdir_erase_flow_from_hw - remove a flow from the HW profile tables
278  * @flow: FDir flow type to release
281 ice_fdir_erase_flow_from_hw(struct ice_hw *hw, enum ice_block blk, int flow)  in ice_fdir_erase_flow_from_hw()  argument
283 	struct ice_fd_hw_prof *prof = ice_fdir_get_hw_prof(hw, blk, flow);  in ice_fdir_erase_flow_from_hw()
293 		prof_id = flow + tun * ICE_FLTR_PTYPE_MAX;  in ice_fdir_erase_flow_from_hw()
312  * @flow_type: FDir flow type to release
318 	int flow = (int)flow_type & ~FLOW_EXT;  in ice_fdir_rem_flow()  local
322 	prof = ice_fdir_get_hw_prof(hw, blk, flow);  in ice_fdir_rem_flow()
326 	ice_fdir_erase_flow_from_hw(hw, blk, flow);  in ice_fdir_rem_flow()
344 	int flow;  in ice_fdir_release_flows()  local
346 	/* release Flow Director HW table entries */  in ice_fdir_release_flows()
347 	for (flow = 0; flow < ICE_FLTR_PTYPE_MAX; flow++)  in ice_fdir_release_flows()
348 		ice_fdir_erase_flow_from_hw(hw, ICE_BLK_FD, flow);  in ice_fdir_release_flows()
352  * ice_fdir_replay_flows - replay HW Flow Director filter info
357 	int flow;  in ice_fdir_replay_flows()  local
359 	for (flow = 0; flow < ICE_FLTR_PTYPE_MAX; flow++) {  in ice_fdir_replay_flows()
362 		if (!hw->fdir_prof[flow] || !hw->fdir_prof[flow]->cnt)  in ice_fdir_replay_flows()
370 			prof = hw->fdir_prof[flow];  in ice_fdir_replay_flows()
371 			prof_id = flow + tun * ICE_FLTR_PTYPE_MAX;  in ice_fdir_replay_flows()
388 					dev_err(ice_hw_to_dev(hw), "Could not replay Flow Director, flow type %d\n",  in ice_fdir_replay_flows()
389 						flow);  in ice_fdir_replay_flows()
400  * @fsp: pointer to ethtool Rx flow specification
446  * ice_fdir_num_avail_fltr - return the number of unused flow director filters
457  * Returns the number of available flow director filters to this VSI
483  * ice_fdir_alloc_flow_prof - allocate FDir flow profile structure(s)
484  * @hw: HW structure containing the FDir flow profile structure(s)
485  * @flow: flow type to allocate the flow profile for
487  * Allocate the fdir_prof and fdir_prof[flow] if not already created. Return 0
491 ice_fdir_alloc_flow_prof(struct ice_hw *hw, enum ice_fltr_ptype flow)  in ice_fdir_alloc_flow_prof()  argument
505 	if (!hw->fdir_prof[flow]) {  in ice_fdir_alloc_flow_prof()
506 		hw->fdir_prof[flow] = devm_kzalloc(ice_hw_to_dev(hw),  in ice_fdir_alloc_flow_prof()
509 		if (!hw->fdir_prof[flow])  in ice_fdir_alloc_flow_prof()
520  * @flow: filter enum
525 			  enum ice_fltr_ptype flow, enum ice_fd_hw_seg tun)  in ice_fdir_set_hw_fltr_rule()  argument
547 	err = ice_fdir_alloc_flow_prof(hw, flow);  in ice_fdir_set_hw_fltr_rule()
551 	hw_prof = hw->fdir_prof[flow];  in ice_fdir_set_hw_fltr_rule()
561 		/* if there are FDir filters using this flow,  in ice_fdir_set_hw_fltr_rule()
564 		if (hw->fdir_fltr_cnt[flow]) {  in ice_fdir_set_hw_fltr_rule()
565 …dev_err(dev, "Failed to add filter.  Flow director filters on each port must have the same input s…  in ice_fdir_set_hw_fltr_rule()
569 		if (ice_is_arfs_using_perfect_flow(hw, flow)) {  in ice_fdir_set_hw_fltr_rule()
570 			dev_err(dev, "aRFS using perfect flow type %d, cannot change input set\n",  in ice_fdir_set_hw_fltr_rule()
571 				flow);  in ice_fdir_set_hw_fltr_rule()
576 		ice_fdir_rem_flow(hw, ICE_BLK_FD, flow);  in ice_fdir_set_hw_fltr_rule()
583 	prof_id = flow + tun * ICE_FLTR_PTYPE_MAX;  in ice_fdir_set_hw_fltr_rule()
619 …dev_err(dev, "Failed to add filter.  Flow director filters on each port must have the same input s…  in ice_fdir_set_hw_fltr_rule()
626  * @seg: flow segment for programming
630  * Set the configuration for perfect filters to the provided flow segment for
688  * @flow: filter enum
693 ice_create_init_fdir_rule(struct ice_pf *pf, enum ice_fltr_ptype flow)  in ice_create_init_fdir_rule()  argument
701 	if (hw->fdir_prof && hw->fdir_prof[flow] &&  in ice_create_init_fdir_rule()
702 	    hw->fdir_prof[flow]->fdir_seg[0])  in ice_create_init_fdir_rule()
716 	if (flow == ICE_FLTR_PTYPE_NONF_IPV4_TCP)  in ice_create_init_fdir_rule()
719 	else if (flow == ICE_FLTR_PTYPE_NONF_IPV4_UDP)  in ice_create_init_fdir_rule()
722 	else if (flow == ICE_FLTR_PTYPE_NONF_IPV6_TCP)  in ice_create_init_fdir_rule()
725 	else if (flow == ICE_FLTR_PTYPE_NONF_IPV6_UDP)  in ice_create_init_fdir_rule()
734 	ret = ice_fdir_set_hw_fltr_rule(pf, seg, flow, ICE_FD_HW_SEG_NON_TUN);  in ice_create_init_fdir_rule()
741 	ret = ice_fdir_set_hw_fltr_rule(pf, tun_seg, flow, ICE_FD_HW_SEG_TUN);  in ice_create_init_fdir_rule()
748 	set_bit(flow, hw->fdir_perfect_fltr);  in ice_create_init_fdir_rule()
759  * @seg: flow segment for programming
765  * Set the mask data into the flow segment to be used to program HW
845  * @seg: flow segment for programming
850  * Set the offset data into the flow segment to be used to program HW
900  * @seg: flow segment for programming
906  * Set the mask data into the flow segment to be used to program HW
991  * @seg: flow segment for programming
996  * Set the offset data into the flow segment to be used to program HW
1051  * @fsp: pointer to ethtool Rx flow specification
1052  * @user: user defined data from flow specification
1177  * ice_fdir_write_fltr - send a flow director filter to the hardware
1253  * ice_fdir_write_all_fltr - send a flow director filter to the hardware
1293 			dev_dbg(ice_pf_to_dev(pf), "Flow Director error %d, could not reprogram filter %d\n",  in ice_fdir_replay_fltrs()
1327  * ice_vsi_manage_fdir - turn on/off flow director
1336 	enum ice_fltr_ptype flow;  in ice_vsi_manage_fdir()  local
1356 		for (flow = ICE_FLTR_PTYPE_NONF_NONE; flow < ICE_FLTR_PTYPE_MAX;  in ice_vsi_manage_fdir()
1357 		     flow++)  in ice_vsi_manage_fdir()
1358 			if (hw->fdir_prof[flow])  in ice_vsi_manage_fdir()
1359 				ice_fdir_rem_flow(hw, ICE_BLK_FD, flow);  in ice_vsi_manage_fdir()
1366  * ice_fdir_do_rem_flow - delete flow and possibly add perfect flow
1368  * @flow_type: FDir flow type to release
1432  * ice_del_fdir_ethtool - delete Flow Director filter
1434  * @cmd: command to add or delete Flow Director filter
1451 …dev_err(ice_pf_to_dev(pf), "Device is resetting - deleting Flow Director filters not supported dur…  in ice_del_fdir_ethtool()
1466  * ice_set_fdir_input_set - Set the input set for Flow Director
1468  * @fsp: pointer to ethtool Rx flow specification
1495 …dev_err(ice_pf_to_dev(pf), "Failed to add filter. Flow director filters are not supported on VF qu…  in ice_set_fdir_input_set()
1589 		/* not doing un-parsed flow types */  in ice_set_fdir_input_set()
1597  * ice_add_fdir_ethtool - Add/Remove Flow Director filter
1599  * @cmd: command to add or delete Flow Director filter
1627 		dev_err(dev, "Device is resetting - adding Flow Director filters not supported during reset\n");  in ice_add_fdir_ethtool()
1644 …dev_err(dev, "Failed to add filter.  The maximum number of flow director filters has been reached.…  in ice_add_fdir_ethtool()
1652 …dev_err(dev, "Failed to add filter.  The maximum number of flow director filters has been reached.…  in ice_add_fdir_ethtool()