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-rw-r--r--drivers/net/ethernet/intel/ice/ice_switch.h397
1 files changed, 397 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..68d8e8a6a
--- /dev/null
+++ b/drivers/net/ethernet/intel/ice/ice_switch.h
@@ -0,0 +1,397 @@
+/* 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
+
+/* Switch Profile IDs for Profile related switch rules */
+#define ICE_PROFID_IPV4_GTPC_TEID 41
+#define ICE_PROFID_IPV4_GTPC_NO_TEID 42
+#define ICE_PROFID_IPV4_GTPU_TEID 43
+#define ICE_PROFID_IPV6_GTPC_TEID 44
+#define ICE_PROFID_IPV6_GTPC_NO_TEID 45
+#define ICE_PROFID_IPV6_GTPU_TEID 46
+#define ICE_PROFID_IPV6_GTPU_IPV6_TCP_INNER 70
+
+/* 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];
+ u16 num_rdma_q_entries[ICE_MAX_TRAFFIC_CLASS];
+ struct ice_q_ctx *rdma_q_ctx[ICE_MAX_TRAFFIC_CLASS];
+};
+
+/* 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;
+ u16 tpid;
+ u8 tpid_valid;
+ } 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_update_recipe_lkup_idx_params {
+ u16 rid;
+ u16 fv_idx;
+ bool ignore_valid;
+ u16 mask;
+ bool mask_valid;
+ u8 lkup_idx;
+};
+
+struct ice_adv_lkup_elem {
+ enum ice_protocol_type type;
+ union {
+ union ice_prot_hdr h_u; /* Header values */
+ /* Used to iterate over the headers */
+ u16 h_raw[sizeof(union ice_prot_hdr) / sizeof(u16)];
+ };
+ union {
+ union ice_prot_hdr m_u; /* Mask of header values to match */
+ /* Used to iterate over header mask */
+ u16 m_raw[sizeof(union ice_prot_hdr) / sizeof(u16)];
+ };
+};
+
+struct ice_sw_act_ctrl {
+ /* Source VSI for LOOKUP_TX or source port for LOOKUP_RX */
+ u16 src;
+ u16 flag;
+ enum ice_sw_fwd_act_type fltr_act;
+ /* Depending on filter action */
+ union {
+ /* This is a 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 vsi_id:10;
+ u16 hw_vsi_id:10;
+ u16 vsi_list_id:10;
+ } fwd_id;
+ /* software VSI handle */
+ u16 vsi_handle;
+ u8 qgrp_size;
+};
+
+struct ice_rule_query_data {
+ /* Recipe ID for which the requested rule was added */
+ u16 rid;
+ /* Rule ID that was added or is supposed to be removed */
+ u16 rule_id;
+ /* vsi_handle for which Rule was added or is supposed to be removed */
+ u16 vsi_handle;
+};
+
+/* This structure allows to pass info about lb_en and lan_en
+ * flags to ice_add_adv_rule. Values in act would be used
+ * only if act_valid was set to true, otherwise default
+ * values would be used.
+ */
+struct ice_adv_rule_flags_info {
+ u32 act;
+ u8 act_valid; /* indicate if flags in act are valid */
+};
+
+struct ice_adv_rule_info {
+ enum ice_sw_tunnel_type tun_type;
+ struct ice_sw_act_ctrl sw_act;
+ u32 priority;
+ u8 rx; /* true means LOOKUP_RX otherwise LOOKUP_TX */
+ u16 fltr_rule_id;
+ u16 vlan_type;
+ struct ice_adv_rule_flags_info flags_info;
+};
+
+/* A collection of one or more four word recipe */
+struct ice_sw_recipe {
+ /* For a chained recipe the root recipe is what should be used for
+ * programming rules
+ */
+ u8 is_root;
+ u8 root_rid;
+ u8 recp_created;
+
+ /* Number of extraction words */
+ u8 n_ext_words;
+ /* Protocol ID and Offset pair (extraction word) to describe the
+ * recipe
+ */
+ struct ice_fv_word ext_words[ICE_MAX_CHAIN_WORDS];
+ u16 word_masks[ICE_MAX_CHAIN_WORDS];
+
+ /* if this recipe is a collection of other recipe */
+ u8 big_recp;
+
+ /* if this recipe is part of another bigger recipe then chain index
+ * corresponding to this recipe
+ */
+ u8 chain_idx;
+
+ /* if this recipe is a collection of other recipe then count of other
+ * recipes and recipe IDs of those recipes
+ */
+ u8 n_grp_count;
+
+ /* Bit map specifying the IDs associated with this group of recipe */
+ DECLARE_BITMAP(r_bitmap, ICE_MAX_NUM_RECIPES);
+
+ enum ice_sw_tunnel_type tun_type;
+
+ /* List of type ice_fltr_mgmt_list_entry or adv_rule */
+ u8 adv_rule;
+ struct list_head filt_rules;
+ struct list_head filt_replay_rules;
+
+ struct mutex filt_rule_lock; /* protect filter rule structure */
+
+ /* Profiles this recipe should be associated with */
+ struct list_head fv_list;
+
+ /* Profiles this recipe is associated with */
+ u8 num_profs, *prof_ids;
+
+ /* Bit map for possible result indexes */
+ DECLARE_BITMAP(res_idxs, ICE_MAX_FV_WORDS);
+
+ /* This allows user to specify the recipe priority.
+ * For now, this becomes 'fwd_priority' when recipe
+ * is created, usually recipes can have 'fwd' and 'join'
+ * priority.
+ */
+ u8 priority;
+
+ struct list_head rg_list;
+
+ /* AQ buffer associated with this recipe */
+ struct ice_aqc_recipe_data_elem *root_buf;
+ /* This struct saves the fv_words for a given lookup */
+ struct ice_prot_lkup_ext lkup_exts;
+};
+
+/* 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;
+ int 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;
+};
+
+struct ice_adv_fltr_mgmt_list_entry {
+ struct list_head list_entry;
+
+ struct ice_adv_lkup_elem *lkups;
+ struct ice_adv_rule_info rule_info;
+ u16 lkups_cnt;
+ struct ice_vsi_list_map_info *vsi_list_info;
+ u16 vsi_count;
+};
+
+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 */
+int
+ice_add_vsi(struct ice_hw *hw, u16 vsi_handle, struct ice_vsi_ctx *vsi_ctx,
+ struct ice_sq_cd *cd);
+int
+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);
+int
+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 */
+int ice_get_initial_sw_cfg(struct ice_hw *hw);
+
+int
+ice_alloc_res_cntr(struct ice_hw *hw, u8 type, u8 alloc_shared, u16 num_items,
+ u16 *counter_id);
+int
+ice_free_res_cntr(struct ice_hw *hw, u8 type, u8 alloc_shared, u16 num_items,
+ u16 counter_id);
+
+/* Switch/bridge related commands */
+int
+ice_add_adv_rule(struct ice_hw *hw, struct ice_adv_lkup_elem *lkups,
+ u16 lkups_cnt, struct ice_adv_rule_info *rinfo,
+ struct ice_rule_query_data *added_entry);
+int ice_update_sw_rule_bridge_mode(struct ice_hw *hw);
+int ice_add_vlan(struct ice_hw *hw, struct list_head *m_list);
+int ice_remove_vlan(struct ice_hw *hw, struct list_head *v_list);
+int ice_add_mac(struct ice_hw *hw, struct list_head *m_lst);
+int ice_remove_mac(struct ice_hw *hw, struct list_head *m_lst);
+bool ice_mac_fltr_exist(struct ice_hw *hw, u8 *mac, u16 vsi_handle);
+bool ice_vlan_fltr_exist(struct ice_hw *hw, u16 vlan_id, u16 vsi_handle);
+int ice_add_eth_mac(struct ice_hw *hw, struct list_head *em_list);
+int ice_remove_eth_mac(struct ice_hw *hw, struct list_head *em_list);
+int ice_cfg_rdma_fltr(struct ice_hw *hw, u16 vsi_handle, bool enable);
+void ice_remove_vsi_fltr(struct ice_hw *hw, u16 vsi_handle);
+
+/* Promisc/defport setup for VSIs */
+int
+ice_cfg_dflt_vsi(struct ice_port_info *pi, u16 vsi_handle, bool set,
+ u8 direction);
+bool
+ice_check_if_dflt_vsi(struct ice_port_info *pi, u16 vsi_handle,
+ bool *rule_exists);
+
+int
+ice_set_vsi_promisc(struct ice_hw *hw, u16 vsi_handle, u8 promisc_mask,
+ u16 vid);
+int
+ice_clear_vsi_promisc(struct ice_hw *hw, u16 vsi_handle, u8 promisc_mask,
+ u16 vid);
+int
+ice_set_vlan_vsi_promisc(struct ice_hw *hw, u16 vsi_handle, u8 promisc_mask,
+ bool rm_vlan_promisc);
+
+int ice_rem_adv_rule_for_vsi(struct ice_hw *hw, u16 vsi_handle);
+int
+ice_rem_adv_rule_by_id(struct ice_hw *hw,
+ struct ice_rule_query_data *remove_entry);
+
+int ice_init_def_sw_recp(struct ice_hw *hw);
+u16 ice_get_hw_vsi_num(struct ice_hw *hw, u16 vsi_handle);
+
+int ice_replay_vsi_all_fltr(struct ice_hw *hw, u16 vsi_handle);
+void ice_rm_all_sw_replay_rule_info(struct ice_hw *hw);
+
+int
+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);
+int
+ice_update_recipe_lkup_idx(struct ice_hw *hw,
+ struct ice_update_recipe_lkup_idx_params *params);
+void ice_change_proto_id_to_dvm(void);
+#endif /* _ICE_SWITCH_H_ */