* descriptor format. It is shared between Firmware and Software.
*/
+#define ICE_MAX_VSI 768
#define ICE_AQC_TOPO_MAX_LEVEL_NUM 0x9
#define ICE_AQ_SET_MAC_FRAME_SIZE_MAX 9728
struct ice_aqc_get_sw_cfg_resp_elem elements[1];
};
+/* These resource type defines are used for all switch resource
+ * commands where a resource type is required, such as:
+ * Get Resource Allocation command (indirect 0x0204)
+ * Allocate Resources command (indirect 0x0208)
+ * Free Resources command (indirect 0x0209)
+ * Get Allocated Resource Descriptors Command (indirect 0x020A)
+ */
+#define ICE_AQC_RES_TYPE_VSI_LIST_REP 0x03
+#define ICE_AQC_RES_TYPE_VSI_LIST_PRUNE 0x04
+
+/* Allocate Resources command (indirect 0x0208)
+ * Free Resources command (indirect 0x0209)
+ */
+struct ice_aqc_alloc_free_res_cmd {
+ __le16 num_entries; /* Number of Resource entries */
+ u8 reserved[6];
+ __le32 addr_high;
+ __le32 addr_low;
+};
+
+/* Resource descriptor */
+struct ice_aqc_res_elem {
+ union {
+ __le16 sw_resp;
+ __le16 flu_resp;
+ } e;
+};
+
+/* Buffer for Allocate/Free Resources commands */
+struct ice_aqc_alloc_free_res_elem {
+ __le16 res_type; /* Types defined above cmd 0x0204 */
+#define ICE_AQC_RES_TYPE_SHARED_S 7
+#define ICE_AQC_RES_TYPE_SHARED_M (0x1 << ICE_AQC_RES_TYPE_SHARED_S)
+#define ICE_AQC_RES_TYPE_VSI_PRUNE_LIST_S 8
+#define ICE_AQC_RES_TYPE_VSI_PRUNE_LIST_M \
+ (0xF << ICE_AQC_RES_TYPE_VSI_PRUNE_LIST_S)
+ __le16 num_elems;
+ struct ice_aqc_res_elem elem[1];
+};
+
/* Add VSI (indirect 0x0210)
* Update VSI (indirect 0x0211)
* Get VSI (indirect 0x0212)
u8 reserved[24];
};
+/* Add/Update/Remove/Get switch rules (indirect 0x02A0, 0x02A1, 0x02A2, 0x02A3)
+ */
+struct ice_aqc_sw_rules {
+ /* ops: add switch rules, referring the number of rules.
+ * ops: update switch rules, referring the number of filters
+ * ops: remove switch rules, referring the entry index.
+ * ops: get switch rules, referring to the number of filters.
+ */
+ __le16 num_rules_fltr_entry_index;
+ u8 reserved[6];
+ __le32 addr_high;
+ __le32 addr_low;
+};
+
+/* Add/Update/Get/Remove lookup Rx/Tx command/response entry
+ * This structures describes the lookup rules and associated actions. "index"
+ * is returned as part of a response to a successful Add command, and can be
+ * used to identify the rule for Update/Get/Remove commands.
+ */
+struct ice_sw_rule_lkup_rx_tx {
+ __le16 recipe_id;
+#define ICE_SW_RECIPE_LOGICAL_PORT_FWD 10
+ /* Source port for LOOKUP_RX and source VSI in case of LOOKUP_TX */
+ __le16 src;
+ __le32 act;
+
+ /* Bit 0:1 - Action type */
+#define ICE_SINGLE_ACT_TYPE_S 0x00
+#define ICE_SINGLE_ACT_TYPE_M (0x3 << ICE_SINGLE_ACT_TYPE_S)
+
+ /* Bit 2 - Loop back enable
+ * Bit 3 - LAN enable
+ */
+#define ICE_SINGLE_ACT_LB_ENABLE BIT(2)
+#define ICE_SINGLE_ACT_LAN_ENABLE BIT(3)
+
+ /* Action type = 0 - Forward to VSI or VSI list */
+#define ICE_SINGLE_ACT_VSI_FORWARDING 0x0
+
+#define ICE_SINGLE_ACT_VSI_ID_S 4
+#define ICE_SINGLE_ACT_VSI_ID_M (0x3FF << ICE_SINGLE_ACT_VSI_ID_S)
+#define ICE_SINGLE_ACT_VSI_LIST_ID_S 4
+#define ICE_SINGLE_ACT_VSI_LIST_ID_M (0x3FF << ICE_SINGLE_ACT_VSI_LIST_ID_S)
+ /* This bit needs to be set if action is forward to VSI list */
+#define ICE_SINGLE_ACT_VSI_LIST BIT(14)
+#define ICE_SINGLE_ACT_VALID_BIT BIT(17)
+#define ICE_SINGLE_ACT_DROP BIT(18)
+
+ /* Action type = 1 - Forward to Queue of Queue group */
+#define ICE_SINGLE_ACT_TO_Q 0x1
+#define ICE_SINGLE_ACT_Q_INDEX_S 4
+#define ICE_SINGLE_ACT_Q_INDEX_M (0x7FF << ICE_SINGLE_ACT_Q_INDEX_S)
+#define ICE_SINGLE_ACT_Q_REGION_S 15
+#define ICE_SINGLE_ACT_Q_REGION_M (0x7 << ICE_SINGLE_ACT_Q_REGION_S)
+#define ICE_SINGLE_ACT_Q_PRIORITY BIT(18)
+
+ /* Action type = 2 - Prune */
+#define ICE_SINGLE_ACT_PRUNE 0x2
+#define ICE_SINGLE_ACT_EGRESS BIT(15)
+#define ICE_SINGLE_ACT_INGRESS BIT(16)
+#define ICE_SINGLE_ACT_PRUNET BIT(17)
+ /* Bit 18 should be set to 0 for this action */
+
+ /* Action type = 2 - Pointer */
+#define ICE_SINGLE_ACT_PTR 0x2
+#define ICE_SINGLE_ACT_PTR_VAL_S 4
+#define ICE_SINGLE_ACT_PTR_VAL_M (0x1FFF << ICE_SINGLE_ACT_PTR_VAL_S)
+ /* Bit 18 should be set to 1 */
+#define ICE_SINGLE_ACT_PTR_BIT BIT(18)
+
+ /* Action type = 3 - Other actions. Last two bits
+ * are other action identifier
+ */
+#define ICE_SINGLE_ACT_OTHER_ACTS 0x3
+#define ICE_SINGLE_OTHER_ACT_IDENTIFIER_S 17
+#define ICE_SINGLE_OTHER_ACT_IDENTIFIER_M \
+ (0x3 << \ ICE_SINGLE_OTHER_ACT_IDENTIFIER_S)
+
+ /* Bit 17:18 - Defines other actions */
+ /* Other action = 0 - Mirror VSI */
+#define ICE_SINGLE_OTHER_ACT_MIRROR 0
+#define ICE_SINGLE_ACT_MIRROR_VSI_ID_S 4
+#define ICE_SINGLE_ACT_MIRROR_VSI_ID_M \
+ (0x3FF << ICE_SINGLE_ACT_MIRROR_VSI_ID_S)
+
+ /* Other action = 3 - Set Stat count */
+#define ICE_SINGLE_OTHER_ACT_STAT_COUNT 3
+#define ICE_SINGLE_ACT_STAT_COUNT_INDEX_S 4
+#define ICE_SINGLE_ACT_STAT_COUNT_INDEX_M \
+ (0x7F << ICE_SINGLE_ACT_STAT_COUNT_INDEX_S)
+
+ __le16 index; /* The index of the rule in the lookup table */
+ /* Length and values of the header to be matched per recipe or
+ * lookup-type
+ */
+ __le16 hdr_len;
+ u8 hdr[1];
+} __packed;
+
+/* Add/Update/Remove large action command/response entry
+ * "index" is returned as part of a response to a successful Add command, and
+ * can be used to identify the action for Update/Get/Remove commands.
+ */
+struct ice_sw_rule_lg_act {
+ __le16 index; /* Index in large action table */
+ __le16 size;
+ __le32 act[1]; /* array of size for actions */
+ /* Max number of large actions */
+#define ICE_MAX_LG_ACT 4
+ /* Bit 0:1 - Action type */
+#define ICE_LG_ACT_TYPE_S 0
+#define ICE_LG_ACT_TYPE_M (0x7 << ICE_LG_ACT_TYPE_S)
+
+ /* Action type = 0 - Forward to VSI or VSI list */
+#define ICE_LG_ACT_VSI_FORWARDING 0
+#define ICE_LG_ACT_VSI_ID_S 3
+#define ICE_LG_ACT_VSI_ID_M (0x3FF << ICE_LG_ACT_VSI_ID_S)
+#define ICE_LG_ACT_VSI_LIST_ID_S 3
+#define ICE_LG_ACT_VSI_LIST_ID_M (0x3FF << ICE_LG_ACT_VSI_LIST_ID_S)
+ /* This bit needs to be set if action is forward to VSI list */
+#define ICE_LG_ACT_VSI_LIST BIT(13)
+
+#define ICE_LG_ACT_VALID_BIT BIT(16)
+
+ /* Action type = 1 - Forward to Queue of Queue group */
+#define ICE_LG_ACT_TO_Q 0x1
+#define ICE_LG_ACT_Q_INDEX_S 3
+#define ICE_LG_ACT_Q_INDEX_M (0x7FF << ICE_LG_ACT_Q_INDEX_S)
+#define ICE_LG_ACT_Q_REGION_S 14
+#define ICE_LG_ACT_Q_REGION_M (0x7 << ICE_LG_ACT_Q_REGION_S)
+#define ICE_LG_ACT_Q_PRIORITY_SET BIT(17)
+
+ /* Action type = 2 - Prune */
+#define ICE_LG_ACT_PRUNE 0x2
+#define ICE_LG_ACT_EGRESS BIT(14)
+#define ICE_LG_ACT_INGRESS BIT(15)
+#define ICE_LG_ACT_PRUNET BIT(16)
+
+ /* Action type = 3 - Mirror VSI */
+#define ICE_LG_OTHER_ACT_MIRROR 0x3
+#define ICE_LG_ACT_MIRROR_VSI_ID_S 3
+#define ICE_LG_ACT_MIRROR_VSI_ID_M (0x3FF << ICE_LG_ACT_MIRROR_VSI_ID_S)
+
+ /* Action type = 5 - Large Action */
+#define ICE_LG_ACT_GENERIC 0x5
+#define ICE_LG_ACT_GENERIC_VALUE_S 3
+#define ICE_LG_ACT_GENERIC_VALUE_M (0xFFFF << ICE_LG_ACT_GENERIC_VALUE_S)
+#define ICE_LG_ACT_GENERIC_OFFSET_S 19
+#define ICE_LG_ACT_GENERIC_OFFSET_M (0x7 << ICE_LG_ACT_GENERIC_OFFSET_S)
+#define ICE_LG_ACT_GENERIC_PRIORITY_S 22
+#define ICE_LG_ACT_GENERIC_PRIORITY_M (0x7 << ICE_LG_ACT_GENERIC_PRIORITY_S)
+
+ /* Action = 7 - Set Stat count */
+#define ICE_LG_ACT_STAT_COUNT 0x7
+#define ICE_LG_ACT_STAT_COUNT_S 3
+#define ICE_LG_ACT_STAT_COUNT_M (0x7F << ICE_LG_ACT_STAT_COUNT_S)
+};
+
+/* Add/Update/Remove VSI list command/response entry
+ * "index" is returned as part of a response to a successful Add command, and
+ * can be used to identify the VSI list for Update/Get/Remove commands.
+ */
+struct ice_sw_rule_vsi_list {
+ __le16 index; /* Index of VSI/Prune list */
+ __le16 number_vsi;
+ __le16 vsi[1]; /* Array of number_vsi VSI numbers */
+};
+
+/* Query VSI list command/response entry */
+struct ice_sw_rule_vsi_list_query {
+ __le16 index;
+ DECLARE_BITMAP(vsi_list, ICE_MAX_VSI);
+} __packed;
+
+/* Add switch rule response:
+ * Content of return buffer is same as the input buffer. The status field and
+ * LUT index are updated as part of the response
+ */
+struct ice_aqc_sw_rules_elem {
+ __le16 type; /* Switch rule type, one of T_... */
+#define ICE_AQC_SW_RULES_T_LKUP_RX 0x0
+#define ICE_AQC_SW_RULES_T_LKUP_TX 0x1
+#define ICE_AQC_SW_RULES_T_LG_ACT 0x2
+#define ICE_AQC_SW_RULES_T_VSI_LIST_SET 0x3
+#define ICE_AQC_SW_RULES_T_VSI_LIST_CLEAR 0x4
+#define ICE_AQC_SW_RULES_T_PRUNE_LIST_SET 0x5
+#define ICE_AQC_SW_RULES_T_PRUNE_LIST_CLEAR 0x6
+ __le16 status;
+ union {
+ struct ice_sw_rule_lkup_rx_tx lkup_tx_rx;
+ struct ice_sw_rule_lg_act lg_act;
+ struct ice_sw_rule_vsi_list vsi_list;
+ struct ice_sw_rule_vsi_list_query vsi_list_query;
+ } __packed pdata;
+};
+
/* Get Default Topology (indirect 0x0400) */
struct ice_aqc_get_topo {
u8 port_num;
struct ice_aqc_list_caps get_cap;
struct ice_aqc_get_phy_caps get_phy;
struct ice_aqc_get_sw_cfg get_sw_conf;
+ struct ice_aqc_sw_rules sw_rules;
struct ice_aqc_get_topo get_topo;
struct ice_aqc_query_txsched_res query_sched_res;
struct ice_aqc_add_move_delete_elem add_move_delete_elem;
struct ice_aqc_nvm nvm;
struct ice_aqc_add_get_update_free_vsi vsi_cmd;
+ struct ice_aqc_alloc_free_res_cmd sw_res_ctrl;
struct ice_aqc_get_link_status get_link_status;
} params;
};
/* internal switch commands */
ice_aqc_opc_get_sw_cfg = 0x0200,
+ /* Alloc/Free/Get Resources */
+ ice_aqc_opc_alloc_res = 0x0208,
+ ice_aqc_opc_free_res = 0x0209,
+
/* VSI commands */
ice_aqc_opc_add_vsi = 0x0210,
ice_aqc_opc_update_vsi = 0x0211,
ice_aqc_opc_free_vsi = 0x0213,
+
+ /* switch rules population commands */
+ ice_aqc_opc_add_sw_rules = 0x02A0,
+ ice_aqc_opc_update_sw_rules = 0x02A1,
+ ice_aqc_opc_remove_sw_rules = 0x02A2,
+
ice_aqc_opc_clear_pf_cfg = 0x02A4,
/* transmit scheduler commands */
#include "ice_switch.h"
+#define ICE_ETH_DA_OFFSET 0
+#define ICE_ETH_ETHTYPE_OFFSET 12
+#define ICE_ETH_VLAN_TCI_OFFSET 14
+#define ICE_MAX_VLAN_ID 0xFFF
+
+/* Dummy ethernet header needed in the ice_aqc_sw_rules_elem
+ * struct to configure any switch filter rules.
+ * {DA (6 bytes), SA(6 bytes),
+ * Ether type (2 bytes for header without VLAN tag) OR
+ * VLAN tag (4 bytes for header with VLAN tag) }
+ *
+ * Word on Hardcoded values
+ * byte 0 = 0x2: to identify it as locally administered DA MAC
+ * byte 6 = 0x2: to identify it as locally administered SA MAC
+ * byte 12 = 0x81 & byte 13 = 0x00:
+ * In case of VLAN filter first two bytes defines ether type (0x8100)
+ * and remaining two bytes are placeholder for programming a given VLAN id
+ * In case of Ether type filter it is treated as header without VLAN tag
+ * and byte 12 and 13 is used to program a given Ether type instead
+ */
+#define DUMMY_ETH_HDR_LEN 16
+static const u8 dummy_eth_header[DUMMY_ETH_HDR_LEN] = { 0x2, 0, 0, 0, 0, 0,
+ 0x2, 0, 0, 0, 0, 0,
+ 0x81, 0, 0, 0};
+
+#define ICE_SW_RULE_RX_TX_ETH_HDR_SIZE \
+ (sizeof(struct ice_aqc_sw_rules_elem) - \
+ sizeof(((struct ice_aqc_sw_rules_elem *)0)->pdata) + \
+ sizeof(struct ice_sw_rule_lkup_rx_tx) + DUMMY_ETH_HDR_LEN - 1)
+#define ICE_SW_RULE_RX_TX_NO_HDR_SIZE \
+ (sizeof(struct ice_aqc_sw_rules_elem) - \
+ sizeof(((struct ice_aqc_sw_rules_elem *)0)->pdata) + \
+ sizeof(struct ice_sw_rule_lkup_rx_tx) - 1)
+#define ICE_SW_RULE_LG_ACT_SIZE(n) \
+ (sizeof(struct ice_aqc_sw_rules_elem) - \
+ sizeof(((struct ice_aqc_sw_rules_elem *)0)->pdata) + \
+ sizeof(struct ice_sw_rule_lg_act) - \
+ sizeof(((struct ice_sw_rule_lg_act *)0)->act) + \
+ ((n) * sizeof(((struct ice_sw_rule_lg_act *)0)->act)))
+#define ICE_SW_RULE_VSI_LIST_SIZE(n) \
+ (sizeof(struct ice_aqc_sw_rules_elem) - \
+ sizeof(((struct ice_aqc_sw_rules_elem *)0)->pdata) + \
+ sizeof(struct ice_sw_rule_vsi_list) - \
+ sizeof(((struct ice_sw_rule_vsi_list *)0)->vsi) + \
+ ((n) * sizeof(((struct ice_sw_rule_vsi_list *)0)->vsi)))
+
+/**
+ * ice_aq_alloc_free_res - command to allocate/free resources
+ * @hw: pointer to the hw struct
+ * @num_entries: number of resource entries in buffer
+ * @buf: Indirect buffer to hold data parameters and response
+ * @buf_size: size of buffer for indirect commands
+ * @opc: pass in the command opcode
+ * @cd: pointer to command details structure or NULL
+ *
+ * Helper function to allocate/free resources using the admin queue commands
+ */
+static enum ice_status
+ice_aq_alloc_free_res(struct ice_hw *hw, u16 num_entries,
+ struct ice_aqc_alloc_free_res_elem *buf, u16 buf_size,
+ enum ice_adminq_opc opc, struct ice_sq_cd *cd)
+{
+ struct ice_aqc_alloc_free_res_cmd *cmd;
+ struct ice_aq_desc desc;
+
+ cmd = &desc.params.sw_res_ctrl;
+
+ if (!buf)
+ return ICE_ERR_PARAM;
+
+ if (buf_size < (num_entries * sizeof(buf->elem[0])))
+ return ICE_ERR_PARAM;
+
+ ice_fill_dflt_direct_cmd_desc(&desc, opc);
+
+ desc.flags |= cpu_to_le16(ICE_AQ_FLAG_RD);
+
+ cmd->num_entries = cpu_to_le16(num_entries);
+
+ return ice_aq_send_cmd(hw, &desc, buf, buf_size, cd);
+}
+
/**
* ice_aq_get_sw_cfg - get switch configuration
* @hw: pointer to the hardware structure
return status;
}
+/**
+ * ice_aq_alloc_free_vsi_list
+ * @hw: pointer to the hw struct
+ * @vsi_list_id: VSI list id returned or used for lookup
+ * @lkup_type: switch rule filter lookup type
+ * @opc: switch rules population command type - pass in the command opcode
+ *
+ * allocates or free a VSI list resource
+ */
+static enum ice_status
+ice_aq_alloc_free_vsi_list(struct ice_hw *hw, u16 *vsi_list_id,
+ enum ice_sw_lkup_type lkup_type,
+ enum ice_adminq_opc opc)
+{
+ struct ice_aqc_alloc_free_res_elem *sw_buf;
+ struct ice_aqc_res_elem *vsi_ele;
+ enum ice_status status;
+ u16 buf_len;
+
+ buf_len = sizeof(*sw_buf);
+ sw_buf = devm_kzalloc(ice_hw_to_dev(hw), buf_len, GFP_KERNEL);
+ if (!sw_buf)
+ return ICE_ERR_NO_MEMORY;
+ sw_buf->num_elems = cpu_to_le16(1);
+
+ if (lkup_type == ICE_SW_LKUP_MAC ||
+ lkup_type == ICE_SW_LKUP_MAC_VLAN ||
+ lkup_type == ICE_SW_LKUP_ETHERTYPE ||
+ lkup_type == ICE_SW_LKUP_ETHERTYPE_MAC ||
+ lkup_type == ICE_SW_LKUP_PROMISC ||
+ lkup_type == ICE_SW_LKUP_PROMISC_VLAN) {
+ sw_buf->res_type = cpu_to_le16(ICE_AQC_RES_TYPE_VSI_LIST_REP);
+ } else if (lkup_type == ICE_SW_LKUP_VLAN) {
+ sw_buf->res_type =
+ cpu_to_le16(ICE_AQC_RES_TYPE_VSI_LIST_PRUNE);
+ } else {
+ status = ICE_ERR_PARAM;
+ goto ice_aq_alloc_free_vsi_list_exit;
+ }
+
+ if (opc == ice_aqc_opc_free_res)
+ sw_buf->elem[0].e.sw_resp = cpu_to_le16(*vsi_list_id);
+
+ status = ice_aq_alloc_free_res(hw, 1, sw_buf, buf_len, opc, NULL);
+ if (status)
+ goto ice_aq_alloc_free_vsi_list_exit;
+
+ if (opc == ice_aqc_opc_alloc_res) {
+ vsi_ele = &sw_buf->elem[0];
+ *vsi_list_id = le16_to_cpu(vsi_ele->e.sw_resp);
+ }
+
+ice_aq_alloc_free_vsi_list_exit:
+ devm_kfree(ice_hw_to_dev(hw), sw_buf);
+ return status;
+}
+
+/**
+ * ice_aq_sw_rules - add/update/remove switch rules
+ * @hw: pointer to the hw struct
+ * @rule_list: pointer to switch rule population list
+ * @rule_list_sz: total size of the rule list in bytes
+ * @num_rules: number of switch rules in the rule_list
+ * @opc: switch rules population command type - pass in the command opcode
+ * @cd: pointer to command details structure or NULL
+ *
+ * Add(0x02a0)/Update(0x02a1)/Remove(0x02a2) switch rules commands to firmware
+ */
+static enum ice_status
+ice_aq_sw_rules(struct ice_hw *hw, void *rule_list, u16 rule_list_sz,
+ u8 num_rules, enum ice_adminq_opc opc, struct ice_sq_cd *cd)
+{
+ struct ice_aq_desc desc;
+
+ if (opc != ice_aqc_opc_add_sw_rules &&
+ opc != ice_aqc_opc_update_sw_rules &&
+ opc != ice_aqc_opc_remove_sw_rules)
+ return ICE_ERR_PARAM;
+
+ ice_fill_dflt_direct_cmd_desc(&desc, opc);
+
+ desc.flags |= cpu_to_le16(ICE_AQ_FLAG_RD);
+ desc.params.sw_rules.num_rules_fltr_entry_index =
+ cpu_to_le16(num_rules);
+ return ice_aq_send_cmd(hw, &desc, rule_list, rule_list_sz, cd);
+}
+
/* ice_init_port_info - Initialize port_info with switch configuration data
* @pi: pointer to port_info
* @vsi_port_num: VSI number or port number
devm_kfree(ice_hw_to_dev(hw), (void *)rbuf);
return status;
}
+
+/**
+ * ice_fill_sw_info - Helper function to populate lb_en and lan_en
+ * @hw: pointer to the hardware structure
+ * @f_info: filter info structure to fill/update
+ *
+ * This helper function populates the lb_en and lan_en elements of the provided
+ * ice_fltr_info struct using the switch's type and characteristics of the
+ * switch rule being configured.
+ */
+static void ice_fill_sw_info(struct ice_hw *hw, struct ice_fltr_info *f_info)
+{
+ f_info->lb_en = false;
+ f_info->lan_en = false;
+ if ((f_info->flag & ICE_FLTR_TX) &&
+ (f_info->fltr_act == ICE_FWD_TO_VSI ||
+ f_info->fltr_act == ICE_FWD_TO_VSI_LIST ||
+ f_info->fltr_act == ICE_FWD_TO_Q ||
+ f_info->fltr_act == ICE_FWD_TO_QGRP)) {
+ f_info->lb_en = true;
+ if (!(hw->evb_veb && f_info->lkup_type == ICE_SW_LKUP_MAC &&
+ is_unicast_ether_addr(f_info->l_data.mac.mac_addr)))
+ f_info->lan_en = true;
+ }
+}
+
+/**
+ * ice_fill_sw_rule - Helper function to fill switch rule structure
+ * @hw: pointer to the hardware structure
+ * @f_info: entry containing packet forwarding information
+ * @s_rule: switch rule structure to be filled in based on mac_entry
+ * @opc: switch rules population command type - pass in the command opcode
+ */
+static void
+ice_fill_sw_rule(struct ice_hw *hw, struct ice_fltr_info *f_info,
+ struct ice_aqc_sw_rules_elem *s_rule, enum ice_adminq_opc opc)
+{
+ u16 vlan_id = ICE_MAX_VLAN_ID + 1;
+ u8 eth_hdr[DUMMY_ETH_HDR_LEN];
+ void *daddr = NULL;
+ u32 act = 0;
+ __be16 *off;
+
+ if (opc == ice_aqc_opc_remove_sw_rules) {
+ s_rule->pdata.lkup_tx_rx.act = 0;
+ s_rule->pdata.lkup_tx_rx.index =
+ cpu_to_le16(f_info->fltr_rule_id);
+ s_rule->pdata.lkup_tx_rx.hdr_len = 0;
+ return;
+ }
+
+ /* initialize the ether header with a dummy header */
+ memcpy(eth_hdr, dummy_eth_header, sizeof(dummy_eth_header));
+ ice_fill_sw_info(hw, f_info);
+
+ switch (f_info->fltr_act) {
+ case ICE_FWD_TO_VSI:
+ act |= (f_info->fwd_id.vsi_id << ICE_SINGLE_ACT_VSI_ID_S) &
+ ICE_SINGLE_ACT_VSI_ID_M;
+ if (f_info->lkup_type != ICE_SW_LKUP_VLAN)
+ act |= ICE_SINGLE_ACT_VSI_FORWARDING |
+ ICE_SINGLE_ACT_VALID_BIT;
+ break;
+ case ICE_FWD_TO_VSI_LIST:
+ act |= ICE_SINGLE_ACT_VSI_LIST;
+ act |= (f_info->fwd_id.vsi_list_id <<
+ ICE_SINGLE_ACT_VSI_LIST_ID_S) &
+ ICE_SINGLE_ACT_VSI_LIST_ID_M;
+ if (f_info->lkup_type != ICE_SW_LKUP_VLAN)
+ act |= ICE_SINGLE_ACT_VSI_FORWARDING |
+ ICE_SINGLE_ACT_VALID_BIT;
+ break;
+ case ICE_FWD_TO_Q:
+ act |= ICE_SINGLE_ACT_TO_Q;
+ act |= (f_info->fwd_id.q_id << ICE_SINGLE_ACT_Q_INDEX_S) &
+ ICE_SINGLE_ACT_Q_INDEX_M;
+ break;
+ case ICE_FWD_TO_QGRP:
+ act |= ICE_SINGLE_ACT_TO_Q;
+ act |= (f_info->qgrp_size << ICE_SINGLE_ACT_Q_REGION_S) &
+ ICE_SINGLE_ACT_Q_REGION_M;
+ break;
+ case ICE_DROP_PACKET:
+ act |= ICE_SINGLE_ACT_VSI_FORWARDING | ICE_SINGLE_ACT_DROP;
+ break;
+ default:
+ return;
+ }
+
+ if (f_info->lb_en)
+ act |= ICE_SINGLE_ACT_LB_ENABLE;
+ if (f_info->lan_en)
+ act |= ICE_SINGLE_ACT_LAN_ENABLE;
+
+ switch (f_info->lkup_type) {
+ case ICE_SW_LKUP_MAC:
+ daddr = f_info->l_data.mac.mac_addr;
+ break;
+ case ICE_SW_LKUP_VLAN:
+ vlan_id = f_info->l_data.vlan.vlan_id;
+ if (f_info->fltr_act == ICE_FWD_TO_VSI ||
+ f_info->fltr_act == ICE_FWD_TO_VSI_LIST) {
+ act |= ICE_SINGLE_ACT_PRUNE;
+ act |= ICE_SINGLE_ACT_EGRESS | ICE_SINGLE_ACT_INGRESS;
+ }
+ break;
+ case ICE_SW_LKUP_ETHERTYPE_MAC:
+ daddr = f_info->l_data.ethertype_mac.mac_addr;
+ /* fall-through */
+ case ICE_SW_LKUP_ETHERTYPE:
+ off = (__be16 *)ð_hdr[ICE_ETH_ETHTYPE_OFFSET];
+ *off = cpu_to_be16(f_info->l_data.ethertype_mac.ethertype);
+ break;
+ case ICE_SW_LKUP_MAC_VLAN:
+ daddr = f_info->l_data.mac_vlan.mac_addr;
+ vlan_id = f_info->l_data.mac_vlan.vlan_id;
+ break;
+ case ICE_SW_LKUP_PROMISC_VLAN:
+ vlan_id = f_info->l_data.mac_vlan.vlan_id;
+ /* fall-through */
+ case ICE_SW_LKUP_PROMISC:
+ daddr = f_info->l_data.mac_vlan.mac_addr;
+ break;
+ default:
+ break;
+ }
+
+ s_rule->type = (f_info->flag & ICE_FLTR_RX) ?
+ cpu_to_le16(ICE_AQC_SW_RULES_T_LKUP_RX) :
+ cpu_to_le16(ICE_AQC_SW_RULES_T_LKUP_TX);
+
+ /* Recipe set depending on lookup type */
+ s_rule->pdata.lkup_tx_rx.recipe_id = cpu_to_le16(f_info->lkup_type);
+ s_rule->pdata.lkup_tx_rx.src = cpu_to_le16(f_info->src);
+ s_rule->pdata.lkup_tx_rx.act = cpu_to_le32(act);
+
+ if (daddr)
+ ether_addr_copy(ð_hdr[ICE_ETH_DA_OFFSET], daddr);
+
+ if (!(vlan_id > ICE_MAX_VLAN_ID)) {
+ off = (__be16 *)ð_hdr[ICE_ETH_VLAN_TCI_OFFSET];
+ *off = cpu_to_be16(vlan_id);
+ }
+
+ /* Create the switch rule with the final dummy Ethernet header */
+ if (opc != ice_aqc_opc_update_sw_rules)
+ s_rule->pdata.lkup_tx_rx.hdr_len = cpu_to_le16(sizeof(eth_hdr));
+
+ memcpy(s_rule->pdata.lkup_tx_rx.hdr, eth_hdr, sizeof(eth_hdr));
+}
+
+/**
+ * ice_add_marker_act
+ * @hw: pointer to the hardware structure
+ * @m_ent: the management entry for which sw marker needs to be added
+ * @sw_marker: sw marker to tag the Rx descriptor with
+ * @l_id: large action resource id
+ *
+ * Create a large action to hold software marker and update the switch rule
+ * entry pointed by m_ent with newly created large action
+ */
+static enum ice_status
+ice_add_marker_act(struct ice_hw *hw, struct ice_fltr_mgmt_list_entry *m_ent,
+ u16 sw_marker, u16 l_id)
+{
+ struct ice_aqc_sw_rules_elem *lg_act, *rx_tx;
+ /* For software marker we need 3 large actions
+ * 1. FWD action: FWD TO VSI or VSI LIST
+ * 2. GENERIC VALUE action to hold the profile id
+ * 3. GENERIC VALUE action to hold the software marker id
+ */
+ const u16 num_lg_acts = 3;
+ enum ice_status status;
+ u16 lg_act_size;
+ u16 rules_size;
+ u16 vsi_info;
+ u32 act;
+
+ if (m_ent->fltr_info.lkup_type != ICE_SW_LKUP_MAC)
+ return ICE_ERR_PARAM;
+
+ /* Create two back-to-back switch rules and submit them to the HW using
+ * one memory buffer:
+ * 1. Large Action
+ * 2. Look up tx rx
+ */
+ lg_act_size = (u16)ICE_SW_RULE_LG_ACT_SIZE(num_lg_acts);
+ rules_size = lg_act_size + ICE_SW_RULE_RX_TX_ETH_HDR_SIZE;
+ lg_act = devm_kzalloc(ice_hw_to_dev(hw), rules_size, GFP_KERNEL);
+ if (!lg_act)
+ return ICE_ERR_NO_MEMORY;
+
+ rx_tx = (struct ice_aqc_sw_rules_elem *)((u8 *)lg_act + lg_act_size);
+
+ /* Fill in the first switch rule i.e. large action */
+ lg_act->type = cpu_to_le16(ICE_AQC_SW_RULES_T_LG_ACT);
+ lg_act->pdata.lg_act.index = cpu_to_le16(l_id);
+ lg_act->pdata.lg_act.size = cpu_to_le16(num_lg_acts);
+
+ /* First action VSI forwarding or VSI list forwarding depending on how
+ * many VSIs
+ */
+ vsi_info = (m_ent->vsi_count > 1) ?
+ m_ent->fltr_info.fwd_id.vsi_list_id :
+ m_ent->fltr_info.fwd_id.vsi_id;
+
+ act = ICE_LG_ACT_VSI_FORWARDING | ICE_LG_ACT_VALID_BIT;
+ act |= (vsi_info << ICE_LG_ACT_VSI_LIST_ID_S) &
+ ICE_LG_ACT_VSI_LIST_ID_M;
+ if (m_ent->vsi_count > 1)
+ act |= ICE_LG_ACT_VSI_LIST;
+ lg_act->pdata.lg_act.act[0] = cpu_to_le32(act);
+
+ /* Second action descriptor type */
+ act = ICE_LG_ACT_GENERIC;
+
+ act |= (1 << ICE_LG_ACT_GENERIC_VALUE_S) & ICE_LG_ACT_GENERIC_VALUE_M;
+ lg_act->pdata.lg_act.act[1] = cpu_to_le32(act);
+
+ act = (7 << ICE_LG_ACT_GENERIC_OFFSET_S) & ICE_LG_ACT_GENERIC_VALUE_M;
+
+ /* Third action Marker value */
+ act |= ICE_LG_ACT_GENERIC;
+ act |= (sw_marker << ICE_LG_ACT_GENERIC_VALUE_S) &
+ ICE_LG_ACT_GENERIC_VALUE_M;
+
+ act |= (0 << ICE_LG_ACT_GENERIC_OFFSET_S) & ICE_LG_ACT_GENERIC_VALUE_M;
+ lg_act->pdata.lg_act.act[2] = cpu_to_le32(act);
+
+ /* call the fill switch rule to fill the lookup tx rx structure */
+ ice_fill_sw_rule(hw, &m_ent->fltr_info, rx_tx,
+ ice_aqc_opc_update_sw_rules);
+
+ /* Update the action to point to the large action id */
+ rx_tx->pdata.lkup_tx_rx.act =
+ cpu_to_le32(ICE_SINGLE_ACT_PTR |
+ ((l_id << ICE_SINGLE_ACT_PTR_VAL_S) &
+ ICE_SINGLE_ACT_PTR_VAL_M));
+
+ /* Use the filter rule id of the previously created rule with single
+ * act. Once the update happens, hardware will treat this as large
+ * action
+ */
+ rx_tx->pdata.lkup_tx_rx.index =
+ cpu_to_le16(m_ent->fltr_info.fltr_rule_id);
+
+ status = ice_aq_sw_rules(hw, lg_act, rules_size, 2,
+ ice_aqc_opc_update_sw_rules, NULL);
+ if (!status) {
+ m_ent->lg_act_idx = l_id;
+ m_ent->sw_marker_id = sw_marker;
+ }
+
+ devm_kfree(ice_hw_to_dev(hw), lg_act);
+ return status;
+}
+
+/**
+ * ice_create_vsi_list_map
+ * @hw: pointer to the hardware structure
+ * @vsi_array: array of VSIs to form a VSI list
+ * @num_vsi: num VSI in the array
+ * @vsi_list_id: VSI list id generated as part of allocate resource
+ *
+ * Helper function to create a new entry of VSI list id to VSI mapping
+ * using the given VSI list id
+ */
+static struct ice_vsi_list_map_info *
+ice_create_vsi_list_map(struct ice_hw *hw, u16 *vsi_array, u16 num_vsi,
+ u16 vsi_list_id)
+{
+ struct ice_switch_info *sw = hw->switch_info;
+ struct ice_vsi_list_map_info *v_map;
+ int i;
+
+ v_map = devm_kcalloc(ice_hw_to_dev(hw), 1, sizeof(*v_map), GFP_KERNEL);
+ if (!v_map)
+ return NULL;
+
+ v_map->vsi_list_id = vsi_list_id;
+
+ for (i = 0; i < num_vsi; i++)
+ set_bit(vsi_array[i], v_map->vsi_map);
+
+ list_add(&v_map->list_entry, &sw->vsi_list_map_head);
+ return v_map;
+}
+
+/**
+ * ice_update_vsi_list_rule
+ * @hw: pointer to the hardware structure
+ * @vsi_array: array of VSIs to form a VSI list
+ * @num_vsi: num VSI in the array
+ * @vsi_list_id: VSI list id generated as part of allocate resource
+ * @remove: Boolean value to indicate if this is a remove action
+ * @opc: switch rules population command type - pass in the command opcode
+ * @lkup_type: lookup type of the filter
+ *
+ * Call AQ command to add a new switch rule or update existing switch rule
+ * using the given VSI list id
+ */
+static enum ice_status
+ice_update_vsi_list_rule(struct ice_hw *hw, u16 *vsi_array, u16 num_vsi,
+ u16 vsi_list_id, bool remove, enum ice_adminq_opc opc,
+ enum ice_sw_lkup_type lkup_type)
+{
+ struct ice_aqc_sw_rules_elem *s_rule;
+ enum ice_status status;
+ u16 s_rule_size;
+ u16 type;
+ int i;
+
+ if (!num_vsi)
+ return ICE_ERR_PARAM;
+
+ if (lkup_type == ICE_SW_LKUP_MAC ||
+ lkup_type == ICE_SW_LKUP_MAC_VLAN ||
+ lkup_type == ICE_SW_LKUP_ETHERTYPE ||
+ lkup_type == ICE_SW_LKUP_ETHERTYPE_MAC ||
+ lkup_type == ICE_SW_LKUP_PROMISC ||
+ lkup_type == ICE_SW_LKUP_PROMISC_VLAN)
+ type = remove ? ICE_AQC_SW_RULES_T_VSI_LIST_CLEAR :
+ ICE_AQC_SW_RULES_T_VSI_LIST_SET;
+ else if (lkup_type == ICE_SW_LKUP_VLAN)
+ type = remove ? ICE_AQC_SW_RULES_T_PRUNE_LIST_CLEAR :
+ ICE_AQC_SW_RULES_T_PRUNE_LIST_SET;
+ else
+ return ICE_ERR_PARAM;
+
+ s_rule_size = (u16)ICE_SW_RULE_VSI_LIST_SIZE(num_vsi);
+ s_rule = devm_kzalloc(ice_hw_to_dev(hw), s_rule_size, GFP_KERNEL);
+ if (!s_rule)
+ return ICE_ERR_NO_MEMORY;
+
+ for (i = 0; i < num_vsi; i++)
+ s_rule->pdata.vsi_list.vsi[i] = cpu_to_le16(vsi_array[i]);
+
+ s_rule->type = cpu_to_le16(type);
+ s_rule->pdata.vsi_list.number_vsi = cpu_to_le16(num_vsi);
+ s_rule->pdata.vsi_list.index = cpu_to_le16(vsi_list_id);
+
+ status = ice_aq_sw_rules(hw, s_rule, s_rule_size, 1, opc, NULL);
+
+ devm_kfree(ice_hw_to_dev(hw), s_rule);
+ return status;
+}
+
+/**
+ * ice_create_vsi_list_rule - Creates and populates a VSI list rule
+ * @hw: pointer to the hw struct
+ * @vsi_array: array of VSIs to form a VSI list
+ * @num_vsi: number of VSIs in the array
+ * @vsi_list_id: stores the ID of the VSI list to be created
+ * @lkup_type: switch rule filter's lookup type
+ */
+static enum ice_status
+ice_create_vsi_list_rule(struct ice_hw *hw, u16 *vsi_array, u16 num_vsi,
+ u16 *vsi_list_id, enum ice_sw_lkup_type lkup_type)
+{
+ enum ice_status status;
+ int i;
+
+ for (i = 0; i < num_vsi; i++)
+ if (vsi_array[i] >= ICE_MAX_VSI)
+ return ICE_ERR_OUT_OF_RANGE;
+
+ status = ice_aq_alloc_free_vsi_list(hw, vsi_list_id, lkup_type,
+ ice_aqc_opc_alloc_res);
+ if (status)
+ return status;
+
+ /* Update the newly created VSI list to include the specified VSIs */
+ return ice_update_vsi_list_rule(hw, vsi_array, num_vsi, *vsi_list_id,
+ false, ice_aqc_opc_add_sw_rules,
+ lkup_type);
+}
+
+/**
+ * ice_create_pkt_fwd_rule
+ * @hw: pointer to the hardware structure
+ * @f_entry: entry containing packet forwarding information
+ *
+ * Create switch rule with given filter information and add an entry
+ * to the corresponding filter management list to track this switch rule
+ * and VSI mapping
+ */
+static enum ice_status
+ice_create_pkt_fwd_rule(struct ice_hw *hw,
+ struct ice_fltr_list_entry *f_entry)
+{
+ struct ice_switch_info *sw = hw->switch_info;
+ struct ice_fltr_mgmt_list_entry *fm_entry;
+ struct ice_aqc_sw_rules_elem *s_rule;
+ enum ice_sw_lkup_type l_type;
+ enum ice_status status;
+
+ s_rule = devm_kzalloc(ice_hw_to_dev(hw),
+ ICE_SW_RULE_RX_TX_ETH_HDR_SIZE, GFP_KERNEL);
+ if (!s_rule)
+ return ICE_ERR_NO_MEMORY;
+ fm_entry = devm_kzalloc(ice_hw_to_dev(hw), sizeof(*fm_entry),
+ GFP_KERNEL);
+ if (!fm_entry) {
+ status = ICE_ERR_NO_MEMORY;
+ goto ice_create_pkt_fwd_rule_exit;
+ }
+
+ fm_entry->fltr_info = f_entry->fltr_info;
+
+ /* Initialize all the fields for the management entry */
+ fm_entry->vsi_count = 1;
+ fm_entry->lg_act_idx = ICE_INVAL_LG_ACT_INDEX;
+ fm_entry->sw_marker_id = ICE_INVAL_SW_MARKER_ID;
+ fm_entry->counter_index = ICE_INVAL_COUNTER_ID;
+
+ ice_fill_sw_rule(hw, &fm_entry->fltr_info, s_rule,
+ ice_aqc_opc_add_sw_rules);
+
+ status = ice_aq_sw_rules(hw, s_rule, ICE_SW_RULE_RX_TX_ETH_HDR_SIZE, 1,
+ ice_aqc_opc_add_sw_rules, NULL);
+ if (status) {
+ devm_kfree(ice_hw_to_dev(hw), fm_entry);
+ goto ice_create_pkt_fwd_rule_exit;
+ }
+
+ f_entry->fltr_info.fltr_rule_id =
+ le16_to_cpu(s_rule->pdata.lkup_tx_rx.index);
+ fm_entry->fltr_info.fltr_rule_id =
+ le16_to_cpu(s_rule->pdata.lkup_tx_rx.index);
+
+ /* The book keeping entries will get removed when base driver
+ * calls remove filter AQ command
+ */
+ l_type = fm_entry->fltr_info.lkup_type;
+ if (l_type == ICE_SW_LKUP_MAC) {
+ mutex_lock(&sw->mac_list_lock);
+ list_add(&fm_entry->list_entry, &sw->mac_list_head);
+ mutex_unlock(&sw->mac_list_lock);
+ } else if (l_type == ICE_SW_LKUP_VLAN) {
+ mutex_lock(&sw->vlan_list_lock);
+ list_add(&fm_entry->list_entry, &sw->vlan_list_head);
+ mutex_unlock(&sw->vlan_list_lock);
+ } else if (l_type == ICE_SW_LKUP_ETHERTYPE ||
+ l_type == ICE_SW_LKUP_ETHERTYPE_MAC) {
+ mutex_lock(&sw->eth_m_list_lock);
+ list_add(&fm_entry->list_entry, &sw->eth_m_list_head);
+ mutex_unlock(&sw->eth_m_list_lock);
+ } else if (l_type == ICE_SW_LKUP_PROMISC ||
+ l_type == ICE_SW_LKUP_PROMISC_VLAN) {
+ mutex_lock(&sw->promisc_list_lock);
+ list_add(&fm_entry->list_entry, &sw->promisc_list_head);
+ mutex_unlock(&sw->promisc_list_lock);
+ } else if (fm_entry->fltr_info.lkup_type == ICE_SW_LKUP_MAC_VLAN) {
+ mutex_lock(&sw->mac_vlan_list_lock);
+ list_add(&fm_entry->list_entry, &sw->mac_vlan_list_head);
+ mutex_unlock(&sw->mac_vlan_list_lock);
+ } else {
+ status = ICE_ERR_NOT_IMPL;
+ }
+ice_create_pkt_fwd_rule_exit:
+ devm_kfree(ice_hw_to_dev(hw), s_rule);
+ return status;
+}
+
+/**
+ * ice_update_pkt_fwd_rule
+ * @hw: pointer to the hardware structure
+ * @rule_id: rule of previously created switch rule to update
+ * @vsi_list_id: VSI list id to be updated with
+ * @f_info: ice_fltr_info to pull other information for switch rule
+ *
+ * Call AQ command to update a previously created switch rule with a
+ * VSI list id
+ */
+static enum ice_status
+ice_update_pkt_fwd_rule(struct ice_hw *hw, u16 rule_id, u16 vsi_list_id,
+ struct ice_fltr_info f_info)
+{
+ struct ice_aqc_sw_rules_elem *s_rule;
+ struct ice_fltr_info tmp_fltr;
+ enum ice_status status;
+
+ s_rule = devm_kzalloc(ice_hw_to_dev(hw),
+ ICE_SW_RULE_RX_TX_ETH_HDR_SIZE, GFP_KERNEL);
+ if (!s_rule)
+ return ICE_ERR_NO_MEMORY;
+
+ tmp_fltr = f_info;
+ tmp_fltr.fltr_act = ICE_FWD_TO_VSI_LIST;
+ tmp_fltr.fwd_id.vsi_list_id = vsi_list_id;
+
+ ice_fill_sw_rule(hw, &tmp_fltr, s_rule,
+ ice_aqc_opc_update_sw_rules);
+
+ s_rule->pdata.lkup_tx_rx.index = cpu_to_le16(rule_id);
+
+ /* Update switch rule with new rule set to forward VSI list */
+ status = ice_aq_sw_rules(hw, s_rule, ICE_SW_RULE_RX_TX_ETH_HDR_SIZE, 1,
+ ice_aqc_opc_update_sw_rules, NULL);
+
+ devm_kfree(ice_hw_to_dev(hw), s_rule);
+ return status;
+}
+
+/**
+ * ice_handle_vsi_list_mgmt
+ * @hw: pointer to the hardware structure
+ * @m_entry: pointer to current filter management list entry
+ * @cur_fltr: filter information from the book keeping entry
+ * @new_fltr: filter information with the new VSI to be added
+ *
+ * Call AQ command to add or update previously created VSI list with new VSI.
+ *
+ * Helper function to do book keeping associated with adding filter information
+ * The algorithm to do the booking keeping is described below :
+ * When a VSI needs to subscribe to a given filter( MAC/VLAN/Ethtype etc.)
+ * if only one VSI has been added till now
+ * Allocate a new VSI list and add two VSIs
+ * to this list using switch rule command
+ * Update the previously created switch rule with the
+ * newly created VSI list id
+ * if a VSI list was previously created
+ * Add the new VSI to the previously created VSI list set
+ * using the update switch rule command
+ */
+static enum ice_status
+ice_handle_vsi_list_mgmt(struct ice_hw *hw,
+ struct ice_fltr_mgmt_list_entry *m_entry,
+ struct ice_fltr_info *cur_fltr,
+ struct ice_fltr_info *new_fltr)
+{
+ enum ice_status status = 0;
+ u16 vsi_list_id = 0;
+
+ if ((cur_fltr->fltr_act == ICE_FWD_TO_Q ||
+ cur_fltr->fltr_act == ICE_FWD_TO_QGRP))
+ return ICE_ERR_NOT_IMPL;
+
+ if ((new_fltr->fltr_act == ICE_FWD_TO_Q ||
+ new_fltr->fltr_act == ICE_FWD_TO_QGRP) &&
+ (cur_fltr->fltr_act == ICE_FWD_TO_VSI ||
+ cur_fltr->fltr_act == ICE_FWD_TO_VSI_LIST))
+ return ICE_ERR_NOT_IMPL;
+
+ if (m_entry->vsi_count < 2 && !m_entry->vsi_list_info) {
+ /* Only one entry existed in the mapping and it was not already
+ * a part of a VSI list. So, create a VSI list with the old and
+ * new VSIs.
+ */
+ u16 vsi_id_arr[2];
+ u16 fltr_rule;
+
+ /* A rule already exists with the new VSI being added */
+ if (cur_fltr->fwd_id.vsi_id == new_fltr->fwd_id.vsi_id)
+ return ICE_ERR_ALREADY_EXISTS;
+
+ vsi_id_arr[0] = cur_fltr->fwd_id.vsi_id;
+ vsi_id_arr[1] = new_fltr->fwd_id.vsi_id;
+ status = ice_create_vsi_list_rule(hw, &vsi_id_arr[0], 2,
+ &vsi_list_id,
+ new_fltr->lkup_type);
+ if (status)
+ return status;
+
+ fltr_rule = cur_fltr->fltr_rule_id;
+ /* Update the previous switch rule of "MAC forward to VSI" to
+ * "MAC fwd to VSI list"
+ */
+ status = ice_update_pkt_fwd_rule(hw, fltr_rule, vsi_list_id,
+ *new_fltr);
+ if (status)
+ return status;
+
+ cur_fltr->fwd_id.vsi_list_id = vsi_list_id;
+ cur_fltr->fltr_act = ICE_FWD_TO_VSI_LIST;
+ m_entry->vsi_list_info =
+ ice_create_vsi_list_map(hw, &vsi_id_arr[0], 2,
+ vsi_list_id);
+
+ /* If this entry was large action then the large action needs
+ * to be updated to point to FWD to VSI list
+ */
+ if (m_entry->sw_marker_id != ICE_INVAL_SW_MARKER_ID)
+ status =
+ ice_add_marker_act(hw, m_entry,
+ m_entry->sw_marker_id,
+ m_entry->lg_act_idx);
+ } else {
+ u16 vsi_id = new_fltr->fwd_id.vsi_id;
+ enum ice_adminq_opc opcode;
+
+ /* A rule already exists with the new VSI being added */
+ if (test_bit(vsi_id, m_entry->vsi_list_info->vsi_map))
+ return 0;
+
+ /* Update the previously created VSI list set with
+ * the new VSI id passed in
+ */
+ vsi_list_id = cur_fltr->fwd_id.vsi_list_id;
+ opcode = ice_aqc_opc_update_sw_rules;
+
+ status = ice_update_vsi_list_rule(hw, &vsi_id, 1, vsi_list_id,
+ false, opcode,
+ new_fltr->lkup_type);
+ /* update VSI list mapping info with new VSI id */
+ if (!status)
+ set_bit(vsi_id, m_entry->vsi_list_info->vsi_map);
+ }
+ if (!status)
+ m_entry->vsi_count++;
+ return status;
+}
+
+/**
+ * ice_find_mac_entry
+ * @hw: pointer to the hardware structure
+ * @mac_addr: MAC address to search for
+ *
+ * Helper function to search for a MAC entry using a given MAC address
+ * Returns pointer to the entry if found.
+ */
+static struct ice_fltr_mgmt_list_entry *
+ice_find_mac_entry(struct ice_hw *hw, u8 *mac_addr)
+{
+ struct ice_fltr_mgmt_list_entry *m_list_itr, *mac_ret = NULL;
+ struct ice_switch_info *sw = hw->switch_info;
+
+ mutex_lock(&sw->mac_list_lock);
+ list_for_each_entry(m_list_itr, &sw->mac_list_head, list_entry) {
+ u8 *buf = &m_list_itr->fltr_info.l_data.mac.mac_addr[0];
+
+ if (ether_addr_equal(buf, mac_addr)) {
+ mac_ret = m_list_itr;
+ break;
+ }
+ }
+ mutex_unlock(&sw->mac_list_lock);
+ return mac_ret;
+}
+
+/**
+ * ice_add_shared_mac - Add one MAC shared filter rule
+ * @hw: pointer to the hardware structure
+ * @f_entry: structure containing MAC forwarding information
+ *
+ * Adds or updates the book keeping list for the MAC addresses
+ */
+static enum ice_status
+ice_add_shared_mac(struct ice_hw *hw, struct ice_fltr_list_entry *f_entry)
+{
+ struct ice_fltr_info *new_fltr, *cur_fltr;
+ struct ice_fltr_mgmt_list_entry *m_entry;
+
+ new_fltr = &f_entry->fltr_info;
+
+ m_entry = ice_find_mac_entry(hw, &new_fltr->l_data.mac.mac_addr[0]);
+ if (!m_entry)
+ return ice_create_pkt_fwd_rule(hw, f_entry);
+
+ cur_fltr = &m_entry->fltr_info;
+
+ return ice_handle_vsi_list_mgmt(hw, m_entry, cur_fltr, new_fltr);
+}
+
+/**
+ * ice_add_mac - Add a MAC address based filter rule
+ * @hw: pointer to the hardware structure
+ * @m_list: list of MAC addresses and forwarding information
+ *
+ * IMPORTANT: When the ucast_shared flag is set to false and m_list has
+ * multiple unicast addresses, the function assumes that all the
+ * addresses are unique in a given add_mac call. It doesn't
+ * check for duplicates in this case, removing duplicates from a given
+ * list should be taken care of in the caller of this function.
+ */
+enum ice_status
+ice_add_mac(struct ice_hw *hw, struct list_head *m_list)
+{
+ struct ice_aqc_sw_rules_elem *s_rule, *r_iter;
+ struct ice_fltr_list_entry *m_list_itr;
+ u16 elem_sent, total_elem_left;
+ enum ice_status status = 0;
+ u16 num_unicast = 0;
+ u16 s_rule_size;
+
+ if (!m_list || !hw)
+ return ICE_ERR_PARAM;
+
+ list_for_each_entry(m_list_itr, m_list, list_entry) {
+ u8 *add = &m_list_itr->fltr_info.l_data.mac.mac_addr[0];
+
+ if (m_list_itr->fltr_info.lkup_type != ICE_SW_LKUP_MAC)
+ return ICE_ERR_PARAM;
+ if (is_zero_ether_addr(add))
+ return ICE_ERR_PARAM;
+ if (is_unicast_ether_addr(add) && !hw->ucast_shared) {
+ /* Don't overwrite the unicast address */
+ if (ice_find_mac_entry(hw, add))
+ return ICE_ERR_ALREADY_EXISTS;
+ num_unicast++;
+ } else if (is_multicast_ether_addr(add) ||
+ (is_unicast_ether_addr(add) && hw->ucast_shared)) {
+ status = ice_add_shared_mac(hw, m_list_itr);
+ if (status) {
+ m_list_itr->status = ICE_FLTR_STATUS_FW_FAIL;
+ return status;
+ }
+ m_list_itr->status = ICE_FLTR_STATUS_FW_SUCCESS;
+ }
+ }
+
+ /* Exit if no suitable entries were found for adding bulk switch rule */
+ if (!num_unicast)
+ return 0;
+
+ /* Allocate switch rule buffer for the bulk update for unicast */
+ s_rule_size = ICE_SW_RULE_RX_TX_ETH_HDR_SIZE;
+ s_rule = devm_kcalloc(ice_hw_to_dev(hw), num_unicast, s_rule_size,
+ GFP_KERNEL);
+ if (!s_rule)
+ return ICE_ERR_NO_MEMORY;
+
+ r_iter = s_rule;
+ list_for_each_entry(m_list_itr, m_list, list_entry) {
+ struct ice_fltr_info *f_info = &m_list_itr->fltr_info;
+ u8 *addr = &f_info->l_data.mac.mac_addr[0];
+
+ if (is_unicast_ether_addr(addr)) {
+ ice_fill_sw_rule(hw, &m_list_itr->fltr_info,
+ r_iter, ice_aqc_opc_add_sw_rules);
+ r_iter = (struct ice_aqc_sw_rules_elem *)
+ ((u8 *)r_iter + s_rule_size);
+ }
+ }
+
+ /* Call AQ bulk switch rule update for all unicast addresses */
+ r_iter = s_rule;
+ /* Call AQ switch rule in AQ_MAX chunk */
+ for (total_elem_left = num_unicast; total_elem_left > 0;
+ total_elem_left -= elem_sent) {
+ struct ice_aqc_sw_rules_elem *entry = r_iter;
+
+ elem_sent = min(total_elem_left,
+ (u16)(ICE_AQ_MAX_BUF_LEN / s_rule_size));
+ status = ice_aq_sw_rules(hw, entry, elem_sent * s_rule_size,
+ elem_sent, ice_aqc_opc_add_sw_rules,
+ NULL);
+ if (status)
+ goto ice_add_mac_exit;
+ r_iter = (struct ice_aqc_sw_rules_elem *)
+ ((u8 *)r_iter + (elem_sent * s_rule_size));
+ }
+
+ /* Fill up rule id based on the value returned from FW */
+ r_iter = s_rule;
+ list_for_each_entry(m_list_itr, m_list, list_entry) {
+ struct ice_fltr_info *f_info = &m_list_itr->fltr_info;
+ u8 *addr = &f_info->l_data.mac.mac_addr[0];
+ struct ice_switch_info *sw = hw->switch_info;
+ struct ice_fltr_mgmt_list_entry *fm_entry;
+
+ if (is_unicast_ether_addr(addr)) {
+ f_info->fltr_rule_id =
+ le16_to_cpu(r_iter->pdata.lkup_tx_rx.index);
+ f_info->fltr_act = ICE_FWD_TO_VSI;
+ /* Create an entry to track this MAC address */
+ fm_entry = devm_kzalloc(ice_hw_to_dev(hw),
+ sizeof(*fm_entry), GFP_KERNEL);
+ if (!fm_entry) {
+ status = ICE_ERR_NO_MEMORY;
+ goto ice_add_mac_exit;
+ }
+ fm_entry->fltr_info = *f_info;
+ fm_entry->vsi_count = 1;
+ /* The book keeping entries will get removed when
+ * base driver calls remove filter AQ command
+ */
+ mutex_lock(&sw->mac_list_lock);
+ list_add(&fm_entry->list_entry, &sw->mac_list_head);
+ mutex_unlock(&sw->mac_list_lock);
+
+ r_iter = (struct ice_aqc_sw_rules_elem *)
+ ((u8 *)r_iter + s_rule_size);
+ }
+ }
+
+ice_add_mac_exit:
+ devm_kfree(ice_hw_to_dev(hw), s_rule);
+ return status;
+}
+
+/**
+ * ice_remove_vsi_list_rule
+ * @hw: pointer to the hardware structure
+ * @vsi_list_id: VSI list id generated as part of allocate resource
+ * @lkup_type: switch rule filter lookup type
+ */
+static enum ice_status
+ice_remove_vsi_list_rule(struct ice_hw *hw, u16 vsi_list_id,
+ enum ice_sw_lkup_type lkup_type)
+{
+ struct ice_aqc_sw_rules_elem *s_rule;
+ enum ice_status status;
+ u16 s_rule_size;
+
+ s_rule_size = (u16)ICE_SW_RULE_VSI_LIST_SIZE(0);
+ s_rule = devm_kzalloc(ice_hw_to_dev(hw), s_rule_size, GFP_KERNEL);
+ if (!s_rule)
+ return ICE_ERR_NO_MEMORY;
+
+ s_rule->type = cpu_to_le16(ICE_AQC_SW_RULES_T_VSI_LIST_CLEAR);
+ s_rule->pdata.vsi_list.index = cpu_to_le16(vsi_list_id);
+ /* FW expects number of VSIs in vsi_list resource to be 0 for clear
+ * command. Since memory is zero'ed out during initialization, it's not
+ * necessary to explicitly initialize the variable to 0.
+ */
+
+ status = ice_aq_sw_rules(hw, s_rule, s_rule_size, 1,
+ ice_aqc_opc_remove_sw_rules, NULL);
+ if (!status)
+ /* Free the vsi_list resource that we allocated */
+ status = ice_aq_alloc_free_vsi_list(hw, &vsi_list_id, lkup_type,
+ ice_aqc_opc_free_res);
+
+ devm_kfree(ice_hw_to_dev(hw), s_rule);
+ return status;
+}
+
+/**
+ * ice_handle_rem_vsi_list_mgmt
+ * @hw: pointer to the hardware structure
+ * @vsi_id: ID of the VSI to remove
+ * @fm_list_itr: filter management entry for which the VSI list management
+ * needs to be done
+ */
+static enum ice_status
+ice_handle_rem_vsi_list_mgmt(struct ice_hw *hw, u16 vsi_id,
+ struct ice_fltr_mgmt_list_entry *fm_list_itr)
+{
+ struct ice_switch_info *sw = hw->switch_info;
+ enum ice_status status = 0;
+ enum ice_sw_lkup_type lkup_type;
+ bool is_last_elem = true;
+ bool conv_list = false;
+ bool del_list = false;
+ u16 vsi_list_id;
+
+ lkup_type = fm_list_itr->fltr_info.lkup_type;
+ vsi_list_id = fm_list_itr->fltr_info.fwd_id.vsi_list_id;
+
+ if (fm_list_itr->vsi_count > 1) {
+ status = ice_update_vsi_list_rule(hw, &vsi_id, 1, vsi_list_id,
+ true,
+ ice_aqc_opc_update_sw_rules,
+ lkup_type);
+ if (status)
+ return status;
+ fm_list_itr->vsi_count--;
+ is_last_elem = false;
+ clear_bit(vsi_id, fm_list_itr->vsi_list_info->vsi_map);
+ }
+
+ /* For non-VLAN rules that forward packets to a VSI list, convert them
+ * to forwarding packets to a VSI if there is only one VSI left in the
+ * list. Unused lists are then removed.
+ * VLAN rules need to use VSI lists even with only one VSI.
+ */
+ if (fm_list_itr->fltr_info.fltr_act == ICE_FWD_TO_VSI_LIST) {
+ if (lkup_type == ICE_SW_LKUP_VLAN) {
+ del_list = is_last_elem;
+ } else if (fm_list_itr->vsi_count == 1) {
+ conv_list = true;
+ del_list = true;
+ }
+ }
+
+ if (del_list) {
+ /* Remove the VSI list since it is no longer used */
+ struct ice_vsi_list_map_info *vsi_list_info =
+ fm_list_itr->vsi_list_info;
+
+ status = ice_remove_vsi_list_rule(hw, vsi_list_id, lkup_type);
+ if (status)
+ return status;
+
+ if (conv_list) {
+ u16 rem_vsi_id;
+
+ rem_vsi_id = find_first_bit(vsi_list_info->vsi_map,
+ ICE_MAX_VSI);
+
+ /* Error out when the expected last element is not in
+ * the VSI list map
+ */
+ if (rem_vsi_id == ICE_MAX_VSI)
+ return ICE_ERR_OUT_OF_RANGE;
+
+ /* Change the list entry action from VSI_LIST to VSI */
+ fm_list_itr->fltr_info.fltr_act = ICE_FWD_TO_VSI;
+ fm_list_itr->fltr_info.fwd_id.vsi_id = rem_vsi_id;
+ }
+
+ list_del(&vsi_list_info->list_entry);
+ devm_kfree(ice_hw_to_dev(hw), vsi_list_info);
+ fm_list_itr->vsi_list_info = NULL;
+ }
+
+ if (conv_list) {
+ /* Convert the rule's forward action to forwarding packets to
+ * a VSI
+ */
+ struct ice_aqc_sw_rules_elem *s_rule;
+
+ s_rule = devm_kzalloc(ice_hw_to_dev(hw),
+ ICE_SW_RULE_RX_TX_ETH_HDR_SIZE,
+ GFP_KERNEL);
+ if (!s_rule)
+ return ICE_ERR_NO_MEMORY;
+
+ ice_fill_sw_rule(hw, &fm_list_itr->fltr_info, s_rule,
+ ice_aqc_opc_update_sw_rules);
+
+ s_rule->pdata.lkup_tx_rx.index =
+ cpu_to_le16(fm_list_itr->fltr_info.fltr_rule_id);
+
+ status = ice_aq_sw_rules(hw, s_rule,
+ ICE_SW_RULE_RX_TX_ETH_HDR_SIZE, 1,
+ ice_aqc_opc_update_sw_rules, NULL);
+ devm_kfree(ice_hw_to_dev(hw), s_rule);
+ if (status)
+ return status;
+ }
+
+ if (is_last_elem) {
+ /* Remove the lookup rule */
+ struct ice_aqc_sw_rules_elem *s_rule;
+
+ s_rule = devm_kzalloc(ice_hw_to_dev(hw),
+ ICE_SW_RULE_RX_TX_NO_HDR_SIZE,
+ GFP_KERNEL);
+ if (!s_rule)
+ return ICE_ERR_NO_MEMORY;
+
+ ice_fill_sw_rule(hw, &fm_list_itr->fltr_info, s_rule,
+ ice_aqc_opc_remove_sw_rules);
+
+ status = ice_aq_sw_rules(hw, s_rule,
+ ICE_SW_RULE_RX_TX_NO_HDR_SIZE, 1,
+ ice_aqc_opc_remove_sw_rules, NULL);
+ if (status)
+ return status;
+
+ /* Remove a book keeping entry from the MAC address list */
+ mutex_lock(&sw->mac_list_lock);
+ list_del(&fm_list_itr->list_entry);
+ mutex_unlock(&sw->mac_list_lock);
+ devm_kfree(ice_hw_to_dev(hw), fm_list_itr);
+ devm_kfree(ice_hw_to_dev(hw), s_rule);
+ }
+ return status;
+}
+
+/**
+ * ice_remove_mac_entry
+ * @hw: pointer to the hardware structure
+ * @f_entry: structure containing MAC forwarding information
+ */
+static enum ice_status
+ice_remove_mac_entry(struct ice_hw *hw, struct ice_fltr_list_entry *f_entry)
+{
+ struct ice_fltr_mgmt_list_entry *m_entry;
+ u16 vsi_id;
+ u8 *add;
+
+ add = &f_entry->fltr_info.l_data.mac.mac_addr[0];
+
+ m_entry = ice_find_mac_entry(hw, add);
+ if (!m_entry)
+ return ICE_ERR_PARAM;
+
+ vsi_id = f_entry->fltr_info.fwd_id.vsi_id;
+ return ice_handle_rem_vsi_list_mgmt(hw, vsi_id, m_entry);
+}
+
+/**
+ * ice_remove_mac - remove a MAC address based filter rule
+ * @hw: pointer to the hardware structure
+ * @m_list: list of MAC addresses and forwarding information
+ *
+ * This function removes either a MAC filter rule or a specific VSI from a
+ * VSI list for a multicast MAC address.
+ *
+ * Returns ICE_ERR_DOES_NOT_EXIST if a given entry was not added by
+ * ice_add_mac. Caller should be aware that this call will only work if all
+ * the entries passed into m_list were added previously. It will not attempt to
+ * do a partial remove of entries that were found.
+ */
+enum ice_status
+ice_remove_mac(struct ice_hw *hw, struct list_head *m_list)
+{
+ struct ice_aqc_sw_rules_elem *s_rule, *r_iter;
+ u8 s_rule_size = ICE_SW_RULE_RX_TX_NO_HDR_SIZE;
+ struct ice_switch_info *sw = hw->switch_info;
+ struct ice_fltr_mgmt_list_entry *m_entry;
+ struct ice_fltr_list_entry *m_list_itr;
+ u16 elem_sent, total_elem_left;
+ enum ice_status status = 0;
+ u16 num_unicast = 0;
+
+ if (!m_list)
+ return ICE_ERR_PARAM;
+
+ list_for_each_entry(m_list_itr, m_list, list_entry) {
+ u8 *addr = m_list_itr->fltr_info.l_data.mac.mac_addr;
+
+ if (is_unicast_ether_addr(addr) && !hw->ucast_shared)
+ num_unicast++;
+ else if (is_multicast_ether_addr(addr) ||
+ (is_unicast_ether_addr(addr) && hw->ucast_shared))
+ ice_remove_mac_entry(hw, m_list_itr);
+ }
+
+ /* Exit if no unicast addresses found. Multicast switch rules
+ * were added individually
+ */
+ if (!num_unicast)
+ return 0;
+
+ /* Allocate switch rule buffer for the bulk update for unicast */
+ s_rule = devm_kcalloc(ice_hw_to_dev(hw), num_unicast, s_rule_size,
+ GFP_KERNEL);
+ if (!s_rule)
+ return ICE_ERR_NO_MEMORY;
+
+ r_iter = s_rule;
+ list_for_each_entry(m_list_itr, m_list, list_entry) {
+ u8 *addr = m_list_itr->fltr_info.l_data.mac.mac_addr;
+
+ if (is_unicast_ether_addr(addr)) {
+ m_entry = ice_find_mac_entry(hw, addr);
+ if (!m_entry) {
+ status = ICE_ERR_DOES_NOT_EXIST;
+ goto ice_remove_mac_exit;
+ }
+
+ ice_fill_sw_rule(hw, &m_entry->fltr_info,
+ r_iter, ice_aqc_opc_remove_sw_rules);
+ r_iter = (struct ice_aqc_sw_rules_elem *)
+ ((u8 *)r_iter + s_rule_size);
+ }
+ }
+
+ /* Call AQ bulk switch rule update for all unicast addresses */
+ r_iter = s_rule;
+ /* Call AQ switch rule in AQ_MAX chunk */
+ for (total_elem_left = num_unicast; total_elem_left > 0;
+ total_elem_left -= elem_sent) {
+ struct ice_aqc_sw_rules_elem *entry = r_iter;
+
+ elem_sent = min(total_elem_left,
+ (u16)(ICE_AQ_MAX_BUF_LEN / s_rule_size));
+ status = ice_aq_sw_rules(hw, entry, elem_sent * s_rule_size,
+ elem_sent, ice_aqc_opc_remove_sw_rules,
+ NULL);
+ if (status)
+ break;
+ r_iter = (struct ice_aqc_sw_rules_elem *)
+ ((u8 *)r_iter + s_rule_size);
+ }
+
+ list_for_each_entry(m_list_itr, m_list, list_entry) {
+ u8 *addr = m_list_itr->fltr_info.l_data.mac.mac_addr;
+
+ if (is_unicast_ether_addr(addr)) {
+ m_entry = ice_find_mac_entry(hw, addr);
+ if (!m_entry)
+ return ICE_ERR_OUT_OF_RANGE;
+ mutex_lock(&sw->mac_list_lock);
+ list_del(&m_entry->list_entry);
+ mutex_unlock(&sw->mac_list_lock);
+ devm_kfree(ice_hw_to_dev(hw), m_entry);
+ }
+ }
+
+ice_remove_mac_exit:
+ devm_kfree(ice_hw_to_dev(hw), s_rule);
+ return status;
+}
+
+/**
+ * ice_add_to_vsi_fltr_list - Add VSI filters to the list
+ * @hw: pointer to the hardware structure
+ * @vsi_id: ID of VSI to remove filters from
+ * @lkup_list_head: pointer to the list that has certain lookup type filters
+ * @vsi_list_head: pointer to the list pertaining to VSI with vsi_id
+ */
+static enum ice_status
+ice_add_to_vsi_fltr_list(struct ice_hw *hw, u16 vsi_id,
+ struct list_head *lkup_list_head,
+ struct list_head *vsi_list_head)
+{
+ struct ice_fltr_mgmt_list_entry *fm_entry;
+
+ /* check to make sure VSI id is valid and within boundary */
+ if (vsi_id >=
+ (sizeof(fm_entry->vsi_list_info->vsi_map) * BITS_PER_BYTE - 1))
+ return ICE_ERR_PARAM;
+
+ list_for_each_entry(fm_entry, lkup_list_head, list_entry) {
+ struct ice_fltr_info *fi;
+
+ fi = &fm_entry->fltr_info;
+ if ((fi->fltr_act == ICE_FWD_TO_VSI &&
+ fi->fwd_id.vsi_id == vsi_id) ||
+ (fi->fltr_act == ICE_FWD_TO_VSI_LIST &&
+ (test_bit(vsi_id, fm_entry->vsi_list_info->vsi_map)))) {
+ struct ice_fltr_list_entry *tmp;
+
+ /* this memory is freed up in the caller function
+ * ice_remove_vsi_lkup_fltr() once filters for
+ * this VSI are removed
+ */
+ tmp = devm_kzalloc(ice_hw_to_dev(hw), sizeof(*tmp),
+ GFP_KERNEL);
+ if (!tmp)
+ return ICE_ERR_NO_MEMORY;
+
+ memcpy(&tmp->fltr_info, fi, sizeof(*fi));
+
+ /* Expected below fields to be set to ICE_FWD_TO_VSI and
+ * the particular VSI id since we are only removing this
+ * one VSI
+ */
+ if (fi->fltr_act == ICE_FWD_TO_VSI_LIST) {
+ tmp->fltr_info.fltr_act = ICE_FWD_TO_VSI;
+ tmp->fltr_info.fwd_id.vsi_id = vsi_id;
+ }
+
+ list_add(&tmp->list_entry, vsi_list_head);
+ }
+ }
+ return 0;
+}
+
+/**
+ * ice_remove_vsi_lkup_fltr - Remove lookup type filters for a VSI
+ * @hw: pointer to the hardware structure
+ * @vsi_id: ID of VSI to remove filters from
+ * @lkup: switch rule filter lookup type
+ */
+static void
+ice_remove_vsi_lkup_fltr(struct ice_hw *hw, u16 vsi_id,
+ enum ice_sw_lkup_type lkup)
+{
+ struct ice_switch_info *sw = hw->switch_info;
+ struct ice_fltr_list_entry *fm_entry;
+ struct list_head remove_list_head;
+ struct ice_fltr_list_entry *tmp;
+ enum ice_status status;
+
+ INIT_LIST_HEAD(&remove_list_head);
+ switch (lkup) {
+ case ICE_SW_LKUP_MAC:
+ mutex_lock(&sw->mac_list_lock);
+ status = ice_add_to_vsi_fltr_list(hw, vsi_id,
+ &sw->mac_list_head,
+ &remove_list_head);
+ mutex_unlock(&sw->mac_list_lock);
+ if (!status) {
+ ice_remove_mac(hw, &remove_list_head);
+ goto free_fltr_list;
+ }
+ break;
+ case ICE_SW_LKUP_VLAN:
+ case ICE_SW_LKUP_MAC_VLAN:
+ case ICE_SW_LKUP_ETHERTYPE:
+ case ICE_SW_LKUP_ETHERTYPE_MAC:
+ case ICE_SW_LKUP_PROMISC:
+ case ICE_SW_LKUP_PROMISC_VLAN:
+ case ICE_SW_LKUP_DFLT:
+ ice_debug(hw, ICE_DBG_SW,
+ "Remove filters for this lookup type hasn't been implemented yet\n");
+ break;
+ }
+
+ return;
+free_fltr_list:
+ list_for_each_entry_safe(fm_entry, tmp, &remove_list_head, list_entry) {
+ list_del(&fm_entry->list_entry);
+ devm_kfree(ice_hw_to_dev(hw), fm_entry);
+ }
+}
+
+/**
+ * ice_remove_vsi_fltr - Remove all filters for a VSI
+ * @hw: pointer to the hardware structure
+ * @vsi_id: ID of VSI to remove filters from
+ */
+void ice_remove_vsi_fltr(struct ice_hw *hw, u16 vsi_id)
+{
+ ice_remove_vsi_lkup_fltr(hw, vsi_id, ICE_SW_LKUP_MAC);
+ ice_remove_vsi_lkup_fltr(hw, vsi_id, ICE_SW_LKUP_MAC_VLAN);
+ ice_remove_vsi_lkup_fltr(hw, vsi_id, ICE_SW_LKUP_PROMISC);
+ ice_remove_vsi_lkup_fltr(hw, vsi_id, ICE_SW_LKUP_VLAN);
+ ice_remove_vsi_lkup_fltr(hw, vsi_id, ICE_SW_LKUP_DFLT);
+ ice_remove_vsi_lkup_fltr(hw, vsi_id, ICE_SW_LKUP_ETHERTYPE);
+ ice_remove_vsi_lkup_fltr(hw, vsi_id, ICE_SW_LKUP_ETHERTYPE_MAC);
+ ice_remove_vsi_lkup_fltr(hw, vsi_id, ICE_SW_LKUP_PROMISC_VLAN);
+}
projects / platform / kernel / linux-starfive.git / commitdiff