1 files changed, 251 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/ice/ice_switch.h b/drivers/net/ethernet/intel/ice/ice_switch.h
new file mode 100644
index 000000000..8b4f9d35c
--- /dev/null
+++ b/drivers/net/ethernet/intel/ice/ice_switch.h
@@ -0,0 +1,251 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (c) 2018, Intel Corporation. */
+
+#ifndef _ICE_SWITCH_H_
+#define _ICE_SWITCH_H_
+
+#include "ice_common.h"
+
+#define ICE_SW_CFG_MAX_BUF_LEN 2048
+#define ICE_DFLT_VSI_INVAL 0xff
+#define ICE_FLTR_RX BIT(0)
+#define ICE_FLTR_TX BIT(1)
+#define ICE_FLTR_TX_RX (ICE_FLTR_RX | ICE_FLTR_TX)
+#define ICE_VSI_INVAL_ID 0xffff
+#define ICE_INVAL_Q_HANDLE 0xFFFF
+
+/* VSI context structure for add/get/update/free operations */
+struct ice_vsi_ctx {
+	u16 vsi_num;
+	u16 vsis_allocd;
+	u16 vsis_unallocated;
+	u16 flags;
+	struct ice_aqc_vsi_props info;
+	struct ice_sched_vsi_info sched;
+	u8 alloc_from_pool;
+	u8 vf_num;
+	u16 num_lan_q_entries[ICE_MAX_TRAFFIC_CLASS];
+	struct ice_q_ctx *lan_q_ctx[ICE_MAX_TRAFFIC_CLASS];
+};
+
+enum ice_sw_fwd_act_type {
+	ICE_FWD_TO_VSI = 0,
+	ICE_FWD_TO_VSI_LIST, /* Do not use this when adding filter */
+	ICE_FWD_TO_Q,
+	ICE_FWD_TO_QGRP,
+	ICE_DROP_PACKET,
+	ICE_INVAL_ACT
+};
+
+/* Switch recipe ID enum values are specific to hardware */
+enum ice_sw_lkup_type {
+	ICE_SW_LKUP_ETHERTYPE = 0,
+	ICE_SW_LKUP_MAC = 1,
+	ICE_SW_LKUP_MAC_VLAN = 2,
+	ICE_SW_LKUP_PROMISC = 3,
+	ICE_SW_LKUP_VLAN = 4,
+	ICE_SW_LKUP_DFLT = 5,
+	ICE_SW_LKUP_ETHERTYPE_MAC = 8,
+	ICE_SW_LKUP_PROMISC_VLAN = 9,
+	ICE_SW_LKUP_LAST
+};
+
+/* type of filter src ID */
+enum ice_src_id {
+	ICE_SRC_ID_UNKNOWN = 0,
+	ICE_SRC_ID_VSI,
+	ICE_SRC_ID_QUEUE,
+	ICE_SRC_ID_LPORT,
+};
+
+struct ice_fltr_info {
+	/* Look up information: how to look up packet */
+	enum ice_sw_lkup_type lkup_type;
+	/* Forward action: filter action to do after lookup */
+	enum ice_sw_fwd_act_type fltr_act;
+	/* rule ID returned by firmware once filter rule is created */
+	u16 fltr_rule_id;
+	u16 flag;
+
+	/* Source VSI for LOOKUP_TX or source port for LOOKUP_RX */
+	u16 src;
+	enum ice_src_id src_id;
+
+	union {
+		struct {
+			u8 mac_addr[ETH_ALEN];
+		} mac;
+		struct {
+			u8 mac_addr[ETH_ALEN];
+			u16 vlan_id;
+		} mac_vlan;
+		struct {
+			u16 vlan_id;
+		} vlan;
+		/* Set lkup_type as ICE_SW_LKUP_ETHERTYPE
+		 * if just using ethertype as filter. Set lkup_type as
+		 * ICE_SW_LKUP_ETHERTYPE_MAC if MAC also needs to be
+		 * passed in as filter.
+		 */
+		struct {
+			u16 ethertype;
+			u8 mac_addr[ETH_ALEN]; /* optional */
+		} ethertype_mac;
+	} l_data; /* Make sure to zero out the memory of l_data before using
+		   * it or only set the data associated with lookup match
+		   * rest everything should be zero
+		   */
+
+	/* Depending on filter action */
+	union {
+		/* queue ID in case of ICE_FWD_TO_Q and starting
+		 * queue ID in case of ICE_FWD_TO_QGRP.
+		 */
+		u16 q_id:11;
+		u16 hw_vsi_id:10;
+		u16 vsi_list_id:10;
+	} fwd_id;
+
+	/* Sw VSI handle */
+	u16 vsi_handle;
+
+	/* Set to num_queues if action is ICE_FWD_TO_QGRP. This field
+	 * determines the range of queues the packet needs to be forwarded to.
+	 * Note that qgrp_size must be set to a power of 2.
+	 */
+	u8 qgrp_size;
+
+	/* Rule creations populate these indicators basing on the switch type */
+	u8 lb_en;	/* Indicate if packet can be looped back */
+	u8 lan_en;	/* Indicate if packet can be forwarded to the uplink */
+};
+
+struct ice_sw_recipe {
+	struct list_head l_entry;
+
+	/* To protect modification of filt_rule list
+	 * defined below
+	 */
+	struct mutex filt_rule_lock;
+
+	/* List of type ice_fltr_mgmt_list_entry */
+	struct list_head filt_rules;
+	struct list_head filt_replay_rules;
+
+	/* linked list of type recipe_list_entry */
+	struct list_head rg_list;
+	/* linked list of type ice_sw_fv_list_entry*/
+	struct list_head fv_list;
+	struct ice_aqc_recipe_data_elem *r_buf;
+	u8 recp_count;
+	u8 root_rid;
+	u8 num_profs;
+	u8 *prof_ids;
+
+	/* recipe bitmap: what all recipes makes this recipe */
+	DECLARE_BITMAP(r_bitmap, ICE_MAX_NUM_RECIPES);
+};
+
+/* Bookkeeping structure to hold bitmap of VSIs corresponding to VSI list ID */
+struct ice_vsi_list_map_info {
+	struct list_head list_entry;
+	DECLARE_BITMAP(vsi_map, ICE_MAX_VSI);
+	u16 vsi_list_id;
+	/* counter to track how many rules are reusing this VSI list */
+	u16 ref_cnt;
+};
+
+struct ice_fltr_list_entry {
+	struct list_head list_entry;
+	enum ice_status status;
+	struct ice_fltr_info fltr_info;
+};
+
+/* This defines an entry in the list that maintains MAC or VLAN membership
+ * to HW list mapping, since multiple VSIs can subscribe to the same MAC or
+ * VLAN. As an optimization the VSI list should be created only when a
+ * second VSI becomes a subscriber to the same MAC address. VSI lists are always
+ * used for VLAN membership.
+ */
+struct ice_fltr_mgmt_list_entry {
+	/* back pointer to VSI list ID to VSI list mapping */
+	struct ice_vsi_list_map_info *vsi_list_info;
+	u16 vsi_count;
+#define ICE_INVAL_LG_ACT_INDEX 0xffff
+	u16 lg_act_idx;
+#define ICE_INVAL_SW_MARKER_ID 0xffff
+	u16 sw_marker_id;
+	struct list_head list_entry;
+	struct ice_fltr_info fltr_info;
+#define ICE_INVAL_COUNTER_ID 0xff
+	u8 counter_index;
+};
+
+enum ice_promisc_flags {
+	ICE_PROMISC_UCAST_RX = 0x1,
+	ICE_PROMISC_UCAST_TX = 0x2,
+	ICE_PROMISC_MCAST_RX = 0x4,
+	ICE_PROMISC_MCAST_TX = 0x8,
+	ICE_PROMISC_BCAST_RX = 0x10,
+	ICE_PROMISC_BCAST_TX = 0x20,
+	ICE_PROMISC_VLAN_RX = 0x40,
+	ICE_PROMISC_VLAN_TX = 0x80,
+};
+
+/* VSI related commands */
+enum ice_status
+ice_add_vsi(struct ice_hw *hw, u16 vsi_handle, struct ice_vsi_ctx *vsi_ctx,
+	    struct ice_sq_cd *cd);
+enum ice_status
+ice_free_vsi(struct ice_hw *hw, u16 vsi_handle, struct ice_vsi_ctx *vsi_ctx,
+	     bool keep_vsi_alloc, struct ice_sq_cd *cd);
+enum ice_status
+ice_update_vsi(struct ice_hw *hw, u16 vsi_handle, struct ice_vsi_ctx *vsi_ctx,
+	       struct ice_sq_cd *cd);
+bool ice_is_vsi_valid(struct ice_hw *hw, u16 vsi_handle);
+struct ice_vsi_ctx *ice_get_vsi_ctx(struct ice_hw *hw, u16 vsi_handle);
+void ice_clear_all_vsi_ctx(struct ice_hw *hw);
+/* Switch config */
+enum ice_status ice_get_initial_sw_cfg(struct ice_hw *hw);
+
+enum ice_status
+ice_alloc_res_cntr(struct ice_hw *hw, u8 type, u8 alloc_shared, u16 num_items,
+		   u16 *counter_id);
+enum ice_status
+ice_free_res_cntr(struct ice_hw *hw, u8 type, u8 alloc_shared, u16 num_items,
+		  u16 counter_id);
+
+/* Switch/bridge related commands */
+enum ice_status ice_update_sw_rule_bridge_mode(struct ice_hw *hw);
+enum ice_status ice_add_mac(struct ice_hw *hw, struct list_head *m_lst);
+enum ice_status ice_remove_mac(struct ice_hw *hw, struct list_head *m_lst);
+enum ice_status
+ice_add_eth_mac(struct ice_hw *hw, struct list_head *em_list);
+enum ice_status
+ice_remove_eth_mac(struct ice_hw *hw, struct list_head *em_list);
+void ice_remove_vsi_fltr(struct ice_hw *hw, u16 vsi_handle);
+enum ice_status
+ice_add_vlan(struct ice_hw *hw, struct list_head *m_list);
+enum ice_status ice_remove_vlan(struct ice_hw *hw, struct list_head *v_list);
+
+/* Promisc/defport setup for VSIs */
+enum ice_status
+ice_cfg_dflt_vsi(struct ice_hw *hw, u16 vsi_handle, bool set, u8 direction);
+enum ice_status
+ice_set_vsi_promisc(struct ice_hw *hw, u16 vsi_handle, u8 promisc_mask,
+		    u16 vid);
+enum ice_status
+ice_clear_vsi_promisc(struct ice_hw *hw, u16 vsi_handle, u8 promisc_mask,
+		      u16 vid);
+enum ice_status
+ice_set_vlan_vsi_promisc(struct ice_hw *hw, u16 vsi_handle, u8 promisc_mask,
+			 bool rm_vlan_promisc);
+
+enum ice_status ice_init_def_sw_recp(struct ice_hw *hw);
+u16 ice_get_hw_vsi_num(struct ice_hw *hw, u16 vsi_handle);
+bool ice_is_vsi_valid(struct ice_hw *hw, u16 vsi_handle);
+
+enum ice_status ice_replay_vsi_all_fltr(struct ice_hw *hw, u16 vsi_handle);
+void ice_rm_all_sw_replay_rule_info(struct ice_hw *hw);
+
+#endif /* _ICE_SWITCH_H_ */