482 lines
13 KiB
C
482 lines
13 KiB
C
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// SPDX-License-Identifier: GPL-2.0
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/* Copyright (C) 2018-2020, Intel Corporation. */
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#include "ice.h"
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#include "ice_fltr.h"
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/**
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* ice_fltr_free_list - free filter lists helper
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* @dev: pointer to the device struct
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* @h: pointer to the list head to be freed
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*
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* Helper function to free filter lists previously created using
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* ice_fltr_add_mac_to_list
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*/
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void ice_fltr_free_list(struct device *dev, struct list_head *h)
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{
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struct ice_fltr_list_entry *e, *tmp;
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list_for_each_entry_safe(e, tmp, h, list_entry) {
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list_del(&e->list_entry);
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devm_kfree(dev, e);
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}
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}
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/**
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* ice_fltr_add_entry_to_list - allocate and add filter entry to list
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* @dev: pointer to device needed by alloc function
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* @info: filter info struct that gets added to the passed in list
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* @list: pointer to the list which contains MAC filters entry
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*/
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static int
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ice_fltr_add_entry_to_list(struct device *dev, struct ice_fltr_info *info,
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struct list_head *list)
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{
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struct ice_fltr_list_entry *entry;
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entry = devm_kzalloc(dev, sizeof(*entry), GFP_ATOMIC);
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if (!entry)
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return -ENOMEM;
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entry->fltr_info = *info;
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INIT_LIST_HEAD(&entry->list_entry);
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list_add(&entry->list_entry, list);
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return 0;
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}
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/**
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* ice_fltr_set_vlan_vsi_promisc
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* @hw: pointer to the hardware structure
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* @vsi: the VSI being configured
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* @promisc_mask: mask of promiscuous config bits
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*
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* Set VSI with all associated VLANs to given promiscuous mode(s)
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*/
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int
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ice_fltr_set_vlan_vsi_promisc(struct ice_hw *hw, struct ice_vsi *vsi,
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u8 promisc_mask)
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{
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struct ice_pf *pf = hw->back;
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int result;
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result = ice_set_vlan_vsi_promisc(hw, vsi->idx, promisc_mask, false);
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if (result && result != -EEXIST)
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dev_err(ice_pf_to_dev(pf),
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"Error setting promisc mode on VSI %i (rc=%d)\n",
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vsi->vsi_num, result);
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return result;
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}
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/**
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* ice_fltr_clear_vlan_vsi_promisc
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* @hw: pointer to the hardware structure
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* @vsi: the VSI being configured
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* @promisc_mask: mask of promiscuous config bits
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*
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* Clear VSI with all associated VLANs to given promiscuous mode(s)
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*/
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int
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ice_fltr_clear_vlan_vsi_promisc(struct ice_hw *hw, struct ice_vsi *vsi,
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u8 promisc_mask)
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{
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struct ice_pf *pf = hw->back;
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int result;
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result = ice_set_vlan_vsi_promisc(hw, vsi->idx, promisc_mask, true);
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if (result && result != -EEXIST)
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dev_err(ice_pf_to_dev(pf),
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"Error clearing promisc mode on VSI %i (rc=%d)\n",
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vsi->vsi_num, result);
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return result;
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}
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/**
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* ice_fltr_clear_vsi_promisc - clear specified promiscuous mode(s)
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* @hw: pointer to the hardware structure
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* @vsi_handle: VSI handle to clear mode
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* @promisc_mask: mask of promiscuous config bits to clear
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* @vid: VLAN ID to clear VLAN promiscuous
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*/
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int
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ice_fltr_clear_vsi_promisc(struct ice_hw *hw, u16 vsi_handle, u8 promisc_mask,
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u16 vid)
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{
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struct ice_pf *pf = hw->back;
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int result;
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result = ice_clear_vsi_promisc(hw, vsi_handle, promisc_mask, vid);
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if (result && result != -EEXIST)
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dev_err(ice_pf_to_dev(pf),
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"Error clearing promisc mode on VSI %i for VID %u (rc=%d)\n",
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ice_get_hw_vsi_num(hw, vsi_handle), vid, result);
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return result;
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}
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/**
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* ice_fltr_set_vsi_promisc - set given VSI to given promiscuous mode(s)
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* @hw: pointer to the hardware structure
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* @vsi_handle: VSI handle to configure
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* @promisc_mask: mask of promiscuous config bits
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* @vid: VLAN ID to set VLAN promiscuous
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*/
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int
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ice_fltr_set_vsi_promisc(struct ice_hw *hw, u16 vsi_handle, u8 promisc_mask,
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u16 vid)
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{
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struct ice_pf *pf = hw->back;
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int result;
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result = ice_set_vsi_promisc(hw, vsi_handle, promisc_mask, vid);
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if (result && result != -EEXIST)
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dev_err(ice_pf_to_dev(pf),
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"Error setting promisc mode on VSI %i for VID %u (rc=%d)\n",
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ice_get_hw_vsi_num(hw, vsi_handle), vid, result);
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return result;
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}
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/**
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* ice_fltr_add_mac_list - add list of MAC filters
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* @vsi: pointer to VSI struct
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* @list: list of filters
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*/
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int ice_fltr_add_mac_list(struct ice_vsi *vsi, struct list_head *list)
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{
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return ice_add_mac(&vsi->back->hw, list);
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}
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/**
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* ice_fltr_remove_mac_list - remove list of MAC filters
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* @vsi: pointer to VSI struct
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* @list: list of filters
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*/
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int ice_fltr_remove_mac_list(struct ice_vsi *vsi, struct list_head *list)
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{
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return ice_remove_mac(&vsi->back->hw, list);
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}
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/**
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* ice_fltr_add_vlan_list - add list of VLAN filters
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* @vsi: pointer to VSI struct
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* @list: list of filters
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*/
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static int ice_fltr_add_vlan_list(struct ice_vsi *vsi, struct list_head *list)
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{
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return ice_add_vlan(&vsi->back->hw, list);
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}
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/**
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* ice_fltr_remove_vlan_list - remove list of VLAN filters
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* @vsi: pointer to VSI struct
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* @list: list of filters
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*/
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static int
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ice_fltr_remove_vlan_list(struct ice_vsi *vsi, struct list_head *list)
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{
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return ice_remove_vlan(&vsi->back->hw, list);
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}
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/**
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* ice_fltr_add_eth_list - add list of ethertype filters
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* @vsi: pointer to VSI struct
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* @list: list of filters
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*/
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static int ice_fltr_add_eth_list(struct ice_vsi *vsi, struct list_head *list)
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{
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return ice_add_eth_mac(&vsi->back->hw, list);
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}
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/**
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* ice_fltr_remove_eth_list - remove list of ethertype filters
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* @vsi: pointer to VSI struct
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* @list: list of filters
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*/
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static int ice_fltr_remove_eth_list(struct ice_vsi *vsi, struct list_head *list)
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{
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return ice_remove_eth_mac(&vsi->back->hw, list);
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}
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/**
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* ice_fltr_remove_all - remove all filters associated with VSI
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* @vsi: pointer to VSI struct
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*/
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void ice_fltr_remove_all(struct ice_vsi *vsi)
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{
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ice_remove_vsi_fltr(&vsi->back->hw, vsi->idx);
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/* sync netdev filters if exist */
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if (vsi->netdev) {
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__dev_uc_unsync(vsi->netdev, NULL);
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__dev_mc_unsync(vsi->netdev, NULL);
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}
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}
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/**
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* ice_fltr_add_mac_to_list - add MAC filter info to exsisting list
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* @vsi: pointer to VSI struct
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* @list: list to add filter info to
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* @mac: MAC address to add
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* @action: filter action
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*/
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int
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ice_fltr_add_mac_to_list(struct ice_vsi *vsi, struct list_head *list,
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const u8 *mac, enum ice_sw_fwd_act_type action)
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{
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struct ice_fltr_info info = { 0 };
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info.flag = ICE_FLTR_TX;
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info.src_id = ICE_SRC_ID_VSI;
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info.lkup_type = ICE_SW_LKUP_MAC;
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info.fltr_act = action;
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info.vsi_handle = vsi->idx;
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ether_addr_copy(info.l_data.mac.mac_addr, mac);
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return ice_fltr_add_entry_to_list(ice_pf_to_dev(vsi->back), &info,
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list);
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}
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/**
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* ice_fltr_add_vlan_to_list - add VLAN filter info to exsisting list
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* @vsi: pointer to VSI struct
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* @list: list to add filter info to
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* @vlan: VLAN filter details
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*/
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static int
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ice_fltr_add_vlan_to_list(struct ice_vsi *vsi, struct list_head *list,
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struct ice_vlan *vlan)
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{
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struct ice_fltr_info info = { 0 };
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info.flag = ICE_FLTR_TX;
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info.src_id = ICE_SRC_ID_VSI;
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info.lkup_type = ICE_SW_LKUP_VLAN;
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info.fltr_act = ICE_FWD_TO_VSI;
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info.vsi_handle = vsi->idx;
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info.l_data.vlan.vlan_id = vlan->vid;
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info.l_data.vlan.tpid = vlan->tpid;
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info.l_data.vlan.tpid_valid = true;
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return ice_fltr_add_entry_to_list(ice_pf_to_dev(vsi->back), &info,
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list);
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}
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/**
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* ice_fltr_add_eth_to_list - add ethertype filter info to exsisting list
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* @vsi: pointer to VSI struct
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* @list: list to add filter info to
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* @ethertype: ethertype of packet that matches filter
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* @flag: filter direction, Tx or Rx
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* @action: filter action
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*/
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static int
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ice_fltr_add_eth_to_list(struct ice_vsi *vsi, struct list_head *list,
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u16 ethertype, u16 flag,
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enum ice_sw_fwd_act_type action)
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{
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struct ice_fltr_info info = { 0 };
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info.flag = flag;
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info.lkup_type = ICE_SW_LKUP_ETHERTYPE;
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info.fltr_act = action;
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info.vsi_handle = vsi->idx;
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info.l_data.ethertype_mac.ethertype = ethertype;
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if (flag == ICE_FLTR_TX)
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info.src_id = ICE_SRC_ID_VSI;
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else
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info.src_id = ICE_SRC_ID_LPORT;
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return ice_fltr_add_entry_to_list(ice_pf_to_dev(vsi->back), &info,
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list);
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}
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/**
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* ice_fltr_prepare_mac - add or remove MAC rule
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* @vsi: pointer to VSI struct
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* @mac: MAC address to add
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* @action: action to be performed on filter match
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* @mac_action: pointer to add or remove MAC function
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*/
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static int
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ice_fltr_prepare_mac(struct ice_vsi *vsi, const u8 *mac,
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enum ice_sw_fwd_act_type action,
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int (*mac_action)(struct ice_vsi *, struct list_head *))
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{
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LIST_HEAD(tmp_list);
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int result;
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if (ice_fltr_add_mac_to_list(vsi, &tmp_list, mac, action)) {
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ice_fltr_free_list(ice_pf_to_dev(vsi->back), &tmp_list);
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return -ENOMEM;
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}
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result = mac_action(vsi, &tmp_list);
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ice_fltr_free_list(ice_pf_to_dev(vsi->back), &tmp_list);
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return result;
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}
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/**
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* ice_fltr_prepare_mac_and_broadcast - add or remove MAC and broadcast filter
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* @vsi: pointer to VSI struct
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* @mac: MAC address to add
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* @action: action to be performed on filter match
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* @mac_action: pointer to add or remove MAC function
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*/
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static int
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ice_fltr_prepare_mac_and_broadcast(struct ice_vsi *vsi, const u8 *mac,
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enum ice_sw_fwd_act_type action,
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int(*mac_action)
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(struct ice_vsi *, struct list_head *))
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{
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u8 broadcast[ETH_ALEN];
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LIST_HEAD(tmp_list);
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int result;
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eth_broadcast_addr(broadcast);
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if (ice_fltr_add_mac_to_list(vsi, &tmp_list, mac, action) ||
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ice_fltr_add_mac_to_list(vsi, &tmp_list, broadcast, action)) {
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ice_fltr_free_list(ice_pf_to_dev(vsi->back), &tmp_list);
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return -ENOMEM;
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}
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result = mac_action(vsi, &tmp_list);
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ice_fltr_free_list(ice_pf_to_dev(vsi->back), &tmp_list);
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return result;
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}
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/**
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* ice_fltr_prepare_vlan - add or remove VLAN filter
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* @vsi: pointer to VSI struct
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* @vlan: VLAN filter details
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* @vlan_action: pointer to add or remove VLAN function
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*/
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static int
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||
|
|
ice_fltr_prepare_vlan(struct ice_vsi *vsi, struct ice_vlan *vlan,
|
||
|
|
int (*vlan_action)(struct ice_vsi *, struct list_head *))
|
||
|
|
{
|
||
|
|
LIST_HEAD(tmp_list);
|
||
|
|
int result;
|
||
|
|
|
||
|
|
if (ice_fltr_add_vlan_to_list(vsi, &tmp_list, vlan))
|
||
|
|
return -ENOMEM;
|
||
|
|
|
||
|
|
result = vlan_action(vsi, &tmp_list);
|
||
|
|
ice_fltr_free_list(ice_pf_to_dev(vsi->back), &tmp_list);
|
||
|
|
return result;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* ice_fltr_prepare_eth - add or remove ethertype filter
|
||
|
|
* @vsi: pointer to VSI struct
|
||
|
|
* @ethertype: ethertype of packet to be filtered
|
||
|
|
* @flag: direction of packet, Tx or Rx
|
||
|
|
* @action: action to be performed on filter match
|
||
|
|
* @eth_action: pointer to add or remove ethertype function
|
||
|
|
*/
|
||
|
|
static int
|
||
|
|
ice_fltr_prepare_eth(struct ice_vsi *vsi, u16 ethertype, u16 flag,
|
||
|
|
enum ice_sw_fwd_act_type action,
|
||
|
|
int (*eth_action)(struct ice_vsi *, struct list_head *))
|
||
|
|
{
|
||
|
|
LIST_HEAD(tmp_list);
|
||
|
|
int result;
|
||
|
|
|
||
|
|
if (ice_fltr_add_eth_to_list(vsi, &tmp_list, ethertype, flag, action))
|
||
|
|
return -ENOMEM;
|
||
|
|
|
||
|
|
result = eth_action(vsi, &tmp_list);
|
||
|
|
ice_fltr_free_list(ice_pf_to_dev(vsi->back), &tmp_list);
|
||
|
|
return result;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* ice_fltr_add_mac - add single MAC filter
|
||
|
|
* @vsi: pointer to VSI struct
|
||
|
|
* @mac: MAC to add
|
||
|
|
* @action: action to be performed on filter match
|
||
|
|
*/
|
||
|
|
int ice_fltr_add_mac(struct ice_vsi *vsi, const u8 *mac,
|
||
|
|
enum ice_sw_fwd_act_type action)
|
||
|
|
{
|
||
|
|
return ice_fltr_prepare_mac(vsi, mac, action, ice_fltr_add_mac_list);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* ice_fltr_add_mac_and_broadcast - add single MAC and broadcast
|
||
|
|
* @vsi: pointer to VSI struct
|
||
|
|
* @mac: MAC to add
|
||
|
|
* @action: action to be performed on filter match
|
||
|
|
*/
|
||
|
|
int
|
||
|
|
ice_fltr_add_mac_and_broadcast(struct ice_vsi *vsi, const u8 *mac,
|
||
|
|
enum ice_sw_fwd_act_type action)
|
||
|
|
{
|
||
|
|
return ice_fltr_prepare_mac_and_broadcast(vsi, mac, action,
|
||
|
|
ice_fltr_add_mac_list);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* ice_fltr_remove_mac - remove MAC filter
|
||
|
|
* @vsi: pointer to VSI struct
|
||
|
|
* @mac: filter MAC to remove
|
||
|
|
* @action: action to remove
|
||
|
|
*/
|
||
|
|
int ice_fltr_remove_mac(struct ice_vsi *vsi, const u8 *mac,
|
||
|
|
enum ice_sw_fwd_act_type action)
|
||
|
|
{
|
||
|
|
return ice_fltr_prepare_mac(vsi, mac, action, ice_fltr_remove_mac_list);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* ice_fltr_add_vlan - add single VLAN filter
|
||
|
|
* @vsi: pointer to VSI struct
|
||
|
|
* @vlan: VLAN filter details
|
||
|
|
*/
|
||
|
|
int ice_fltr_add_vlan(struct ice_vsi *vsi, struct ice_vlan *vlan)
|
||
|
|
{
|
||
|
|
return ice_fltr_prepare_vlan(vsi, vlan, ice_fltr_add_vlan_list);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* ice_fltr_remove_vlan - remove VLAN filter
|
||
|
|
* @vsi: pointer to VSI struct
|
||
|
|
* @vlan: VLAN filter details
|
||
|
|
*/
|
||
|
|
int ice_fltr_remove_vlan(struct ice_vsi *vsi, struct ice_vlan *vlan)
|
||
|
|
{
|
||
|
|
return ice_fltr_prepare_vlan(vsi, vlan, ice_fltr_remove_vlan_list);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* ice_fltr_add_eth - add specyfic ethertype filter
|
||
|
|
* @vsi: pointer to VSI struct
|
||
|
|
* @ethertype: ethertype of filter
|
||
|
|
* @flag: direction of packet to be filtered, Tx or Rx
|
||
|
|
* @action: action to be performed on filter match
|
||
|
|
*/
|
||
|
|
int ice_fltr_add_eth(struct ice_vsi *vsi, u16 ethertype, u16 flag,
|
||
|
|
enum ice_sw_fwd_act_type action)
|
||
|
|
{
|
||
|
|
return ice_fltr_prepare_eth(vsi, ethertype, flag, action,
|
||
|
|
ice_fltr_add_eth_list);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* ice_fltr_remove_eth - remove ethertype filter
|
||
|
|
* @vsi: pointer to VSI struct
|
||
|
|
* @ethertype: ethertype of filter
|
||
|
|
* @flag: direction of filter
|
||
|
|
* @action: action to remove
|
||
|
|
*/
|
||
|
|
int ice_fltr_remove_eth(struct ice_vsi *vsi, u16 ethertype, u16 flag,
|
||
|
|
enum ice_sw_fwd_act_type action)
|
||
|
|
{
|
||
|
|
return ice_fltr_prepare_eth(vsi, ethertype, flag, action,
|
||
|
|
ice_fltr_remove_eth_list);
|
||
|
|
}
|