1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright (C) 2018-2020, Intel Corporation. */
8 * ice_fltr_free_list - free filter lists helper
9 * @dev: pointer to the device struct
10 * @h: pointer to the list head to be freed
12 * Helper function to free filter lists previously created using
13 * ice_fltr_add_mac_to_list
15 void ice_fltr_free_list(struct device *dev, struct list_head *h)
17 struct ice_fltr_list_entry *e, *tmp;
19 list_for_each_entry_safe(e, tmp, h, list_entry) {
20 list_del(&e->list_entry);
26 * ice_fltr_add_entry_to_list - allocate and add filter entry to list
27 * @dev: pointer to device needed by alloc function
28 * @info: filter info struct that gets added to the passed in list
29 * @list: pointer to the list which contains MAC filters entry
32 ice_fltr_add_entry_to_list(struct device *dev, struct ice_fltr_info *info,
33 struct list_head *list)
35 struct ice_fltr_list_entry *entry;
37 entry = devm_kzalloc(dev, sizeof(*entry), GFP_ATOMIC);
41 entry->fltr_info = *info;
43 INIT_LIST_HEAD(&entry->list_entry);
44 list_add(&entry->list_entry, list);
50 * ice_fltr_set_vlan_vsi_promisc
51 * @hw: pointer to the hardware structure
52 * @vsi: the VSI being configured
53 * @promisc_mask: mask of promiscuous config bits
55 * Set VSI with all associated VLANs to given promiscuous mode(s)
58 ice_fltr_set_vlan_vsi_promisc(struct ice_hw *hw, struct ice_vsi *vsi,
61 struct ice_pf *pf = hw->back;
64 result = ice_set_vlan_vsi_promisc(hw, vsi->idx, promisc_mask, false);
66 dev_err(ice_pf_to_dev(pf),
67 "Error setting promisc mode on VSI %i (rc=%d)\n",
68 vsi->vsi_num, result);
74 * ice_fltr_clear_vlan_vsi_promisc
75 * @hw: pointer to the hardware structure
76 * @vsi: the VSI being configured
77 * @promisc_mask: mask of promiscuous config bits
79 * Clear VSI with all associated VLANs to given promiscuous mode(s)
82 ice_fltr_clear_vlan_vsi_promisc(struct ice_hw *hw, struct ice_vsi *vsi,
85 struct ice_pf *pf = hw->back;
88 result = ice_set_vlan_vsi_promisc(hw, vsi->idx, promisc_mask, true);
90 dev_err(ice_pf_to_dev(pf),
91 "Error clearing promisc mode on VSI %i (rc=%d)\n",
92 vsi->vsi_num, result);
98 * ice_fltr_clear_vsi_promisc - clear specified promiscuous mode(s)
99 * @hw: pointer to the hardware structure
100 * @vsi_handle: VSI handle to clear mode
101 * @promisc_mask: mask of promiscuous config bits to clear
102 * @vid: VLAN ID to clear VLAN promiscuous
105 ice_fltr_clear_vsi_promisc(struct ice_hw *hw, u16 vsi_handle, u8 promisc_mask,
108 struct ice_pf *pf = hw->back;
111 result = ice_clear_vsi_promisc(hw, vsi_handle, promisc_mask, vid);
113 dev_err(ice_pf_to_dev(pf),
114 "Error clearing promisc mode on VSI %i for VID %u (rc=%d)\n",
115 ice_get_hw_vsi_num(hw, vsi_handle), vid, result);
121 * ice_fltr_set_vsi_promisc - set given VSI to given promiscuous mode(s)
122 * @hw: pointer to the hardware structure
123 * @vsi_handle: VSI handle to configure
124 * @promisc_mask: mask of promiscuous config bits
125 * @vid: VLAN ID to set VLAN promiscuous
128 ice_fltr_set_vsi_promisc(struct ice_hw *hw, u16 vsi_handle, u8 promisc_mask,
131 struct ice_pf *pf = hw->back;
134 result = ice_set_vsi_promisc(hw, vsi_handle, promisc_mask, vid);
136 dev_err(ice_pf_to_dev(pf),
137 "Error setting promisc mode on VSI %i for VID %u (rc=%d)\n",
138 ice_get_hw_vsi_num(hw, vsi_handle), vid, result);
144 * ice_fltr_add_mac_list - add list of MAC filters
145 * @vsi: pointer to VSI struct
146 * @list: list of filters
148 int ice_fltr_add_mac_list(struct ice_vsi *vsi, struct list_head *list)
150 return ice_add_mac(&vsi->back->hw, list);
154 * ice_fltr_remove_mac_list - remove list of MAC filters
155 * @vsi: pointer to VSI struct
156 * @list: list of filters
158 int ice_fltr_remove_mac_list(struct ice_vsi *vsi, struct list_head *list)
160 return ice_remove_mac(&vsi->back->hw, list);
164 * ice_fltr_add_vlan_list - add list of VLAN filters
165 * @vsi: pointer to VSI struct
166 * @list: list of filters
168 static int ice_fltr_add_vlan_list(struct ice_vsi *vsi, struct list_head *list)
170 return ice_add_vlan(&vsi->back->hw, list);
174 * ice_fltr_remove_vlan_list - remove list of VLAN filters
175 * @vsi: pointer to VSI struct
176 * @list: list of filters
179 ice_fltr_remove_vlan_list(struct ice_vsi *vsi, struct list_head *list)
181 return ice_remove_vlan(&vsi->back->hw, list);
185 * ice_fltr_add_eth_list - add list of ethertype filters
186 * @vsi: pointer to VSI struct
187 * @list: list of filters
189 static int ice_fltr_add_eth_list(struct ice_vsi *vsi, struct list_head *list)
191 return ice_add_eth_mac(&vsi->back->hw, list);
195 * ice_fltr_remove_eth_list - remove list of ethertype filters
196 * @vsi: pointer to VSI struct
197 * @list: list of filters
199 static int ice_fltr_remove_eth_list(struct ice_vsi *vsi, struct list_head *list)
201 return ice_remove_eth_mac(&vsi->back->hw, list);
205 * ice_fltr_remove_all - remove all filters associated with VSI
206 * @vsi: pointer to VSI struct
208 void ice_fltr_remove_all(struct ice_vsi *vsi)
210 ice_remove_vsi_fltr(&vsi->back->hw, vsi->idx);
214 * ice_fltr_add_mac_to_list - add MAC filter info to exsisting list
215 * @vsi: pointer to VSI struct
216 * @list: list to add filter info to
217 * @mac: MAC address to add
218 * @action: filter action
221 ice_fltr_add_mac_to_list(struct ice_vsi *vsi, struct list_head *list,
222 const u8 *mac, enum ice_sw_fwd_act_type action)
224 struct ice_fltr_info info = { 0 };
226 info.flag = ICE_FLTR_TX;
227 info.src_id = ICE_SRC_ID_VSI;
228 info.lkup_type = ICE_SW_LKUP_MAC;
229 info.fltr_act = action;
230 info.vsi_handle = vsi->idx;
232 ether_addr_copy(info.l_data.mac.mac_addr, mac);
234 return ice_fltr_add_entry_to_list(ice_pf_to_dev(vsi->back), &info,
239 * ice_fltr_add_vlan_to_list - add VLAN filter info to exsisting list
240 * @vsi: pointer to VSI struct
241 * @list: list to add filter info to
242 * @vlan: VLAN filter details
245 ice_fltr_add_vlan_to_list(struct ice_vsi *vsi, struct list_head *list,
246 struct ice_vlan *vlan)
248 struct ice_fltr_info info = { 0 };
250 info.flag = ICE_FLTR_TX;
251 info.src_id = ICE_SRC_ID_VSI;
252 info.lkup_type = ICE_SW_LKUP_VLAN;
253 info.fltr_act = ICE_FWD_TO_VSI;
254 info.vsi_handle = vsi->idx;
255 info.l_data.vlan.vlan_id = vlan->vid;
256 info.l_data.vlan.tpid = vlan->tpid;
257 info.l_data.vlan.tpid_valid = true;
259 return ice_fltr_add_entry_to_list(ice_pf_to_dev(vsi->back), &info,
264 * ice_fltr_add_eth_to_list - add ethertype filter info to exsisting list
265 * @vsi: pointer to VSI struct
266 * @list: list to add filter info to
267 * @ethertype: ethertype of packet that matches filter
268 * @flag: filter direction, Tx or Rx
269 * @action: filter action
272 ice_fltr_add_eth_to_list(struct ice_vsi *vsi, struct list_head *list,
273 u16 ethertype, u16 flag,
274 enum ice_sw_fwd_act_type action)
276 struct ice_fltr_info info = { 0 };
279 info.lkup_type = ICE_SW_LKUP_ETHERTYPE;
280 info.fltr_act = action;
281 info.vsi_handle = vsi->idx;
282 info.l_data.ethertype_mac.ethertype = ethertype;
284 if (flag == ICE_FLTR_TX)
285 info.src_id = ICE_SRC_ID_VSI;
287 info.src_id = ICE_SRC_ID_LPORT;
289 return ice_fltr_add_entry_to_list(ice_pf_to_dev(vsi->back), &info,
294 * ice_fltr_prepare_mac - add or remove MAC rule
295 * @vsi: pointer to VSI struct
296 * @mac: MAC address to add
297 * @action: action to be performed on filter match
298 * @mac_action: pointer to add or remove MAC function
301 ice_fltr_prepare_mac(struct ice_vsi *vsi, const u8 *mac,
302 enum ice_sw_fwd_act_type action,
303 int (*mac_action)(struct ice_vsi *, struct list_head *))
308 if (ice_fltr_add_mac_to_list(vsi, &tmp_list, mac, action)) {
309 ice_fltr_free_list(ice_pf_to_dev(vsi->back), &tmp_list);
313 result = mac_action(vsi, &tmp_list);
314 ice_fltr_free_list(ice_pf_to_dev(vsi->back), &tmp_list);
319 * ice_fltr_prepare_mac_and_broadcast - add or remove MAC and broadcast filter
320 * @vsi: pointer to VSI struct
321 * @mac: MAC address to add
322 * @action: action to be performed on filter match
323 * @mac_action: pointer to add or remove MAC function
326 ice_fltr_prepare_mac_and_broadcast(struct ice_vsi *vsi, const u8 *mac,
327 enum ice_sw_fwd_act_type action,
329 (struct ice_vsi *, struct list_head *))
331 u8 broadcast[ETH_ALEN];
335 eth_broadcast_addr(broadcast);
336 if (ice_fltr_add_mac_to_list(vsi, &tmp_list, mac, action) ||
337 ice_fltr_add_mac_to_list(vsi, &tmp_list, broadcast, action)) {
338 ice_fltr_free_list(ice_pf_to_dev(vsi->back), &tmp_list);
342 result = mac_action(vsi, &tmp_list);
343 ice_fltr_free_list(ice_pf_to_dev(vsi->back), &tmp_list);
348 * ice_fltr_prepare_vlan - add or remove VLAN filter
349 * @vsi: pointer to VSI struct
350 * @vlan: VLAN filter details
351 * @vlan_action: pointer to add or remove VLAN function
354 ice_fltr_prepare_vlan(struct ice_vsi *vsi, struct ice_vlan *vlan,
355 int (*vlan_action)(struct ice_vsi *, struct list_head *))
360 if (ice_fltr_add_vlan_to_list(vsi, &tmp_list, vlan))
363 result = vlan_action(vsi, &tmp_list);
364 ice_fltr_free_list(ice_pf_to_dev(vsi->back), &tmp_list);
369 * ice_fltr_prepare_eth - add or remove ethertype filter
370 * @vsi: pointer to VSI struct
371 * @ethertype: ethertype of packet to be filtered
372 * @flag: direction of packet, Tx or Rx
373 * @action: action to be performed on filter match
374 * @eth_action: pointer to add or remove ethertype function
377 ice_fltr_prepare_eth(struct ice_vsi *vsi, u16 ethertype, u16 flag,
378 enum ice_sw_fwd_act_type action,
379 int (*eth_action)(struct ice_vsi *, struct list_head *))
384 if (ice_fltr_add_eth_to_list(vsi, &tmp_list, ethertype, flag, action))
387 result = eth_action(vsi, &tmp_list);
388 ice_fltr_free_list(ice_pf_to_dev(vsi->back), &tmp_list);
393 * ice_fltr_add_mac - add single MAC filter
394 * @vsi: pointer to VSI struct
396 * @action: action to be performed on filter match
398 int ice_fltr_add_mac(struct ice_vsi *vsi, const u8 *mac,
399 enum ice_sw_fwd_act_type action)
401 return ice_fltr_prepare_mac(vsi, mac, action, ice_fltr_add_mac_list);
405 * ice_fltr_add_mac_and_broadcast - add single MAC and broadcast
406 * @vsi: pointer to VSI struct
408 * @action: action to be performed on filter match
411 ice_fltr_add_mac_and_broadcast(struct ice_vsi *vsi, const u8 *mac,
412 enum ice_sw_fwd_act_type action)
414 return ice_fltr_prepare_mac_and_broadcast(vsi, mac, action,
415 ice_fltr_add_mac_list);
419 * ice_fltr_remove_mac - remove MAC filter
420 * @vsi: pointer to VSI struct
421 * @mac: filter MAC to remove
422 * @action: action to remove
424 int ice_fltr_remove_mac(struct ice_vsi *vsi, const u8 *mac,
425 enum ice_sw_fwd_act_type action)
427 return ice_fltr_prepare_mac(vsi, mac, action, ice_fltr_remove_mac_list);
431 * ice_fltr_add_vlan - add single VLAN filter
432 * @vsi: pointer to VSI struct
433 * @vlan: VLAN filter details
435 int ice_fltr_add_vlan(struct ice_vsi *vsi, struct ice_vlan *vlan)
437 return ice_fltr_prepare_vlan(vsi, vlan, ice_fltr_add_vlan_list);
441 * ice_fltr_remove_vlan - remove VLAN filter
442 * @vsi: pointer to VSI struct
443 * @vlan: VLAN filter details
445 int ice_fltr_remove_vlan(struct ice_vsi *vsi, struct ice_vlan *vlan)
447 return ice_fltr_prepare_vlan(vsi, vlan, ice_fltr_remove_vlan_list);
451 * ice_fltr_add_eth - add specyfic ethertype filter
452 * @vsi: pointer to VSI struct
453 * @ethertype: ethertype of filter
454 * @flag: direction of packet to be filtered, Tx or Rx
455 * @action: action to be performed on filter match
457 int ice_fltr_add_eth(struct ice_vsi *vsi, u16 ethertype, u16 flag,
458 enum ice_sw_fwd_act_type action)
460 return ice_fltr_prepare_eth(vsi, ethertype, flag, action,
461 ice_fltr_add_eth_list);
465 * ice_fltr_remove_eth - remove ethertype filter
466 * @vsi: pointer to VSI struct
467 * @ethertype: ethertype of filter
468 * @flag: direction of filter
469 * @action: action to remove
471 int ice_fltr_remove_eth(struct ice_vsi *vsi, u16 ethertype, u16 flag,
472 enum ice_sw_fwd_act_type action)
474 return ice_fltr_prepare_eth(vsi, ethertype, flag, action,
475 ice_fltr_remove_eth_list);