diff options
Diffstat (limited to 'drivers/net/ethernet/intel/ice/ice_switch.h')
| -rw-r--r-- | drivers/net/ethernet/intel/ice/ice_switch.h | 433 |
1 files changed, 433 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..db7e501b7 --- /dev/null +++ b/drivers/net/ethernet/intel/ice/ice_switch.h @@ -0,0 +1,433 @@ +/* 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_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 + +#define ICE_SW_RULE_VSI_LIST_SIZE(s, n) struct_size((s), vsi, (n)) +#define ICE_SW_RULE_RX_TX_HDR_SIZE(s, l) struct_size((s), hdr_data, (l)) +#define ICE_SW_RULE_RX_TX_ETH_HDR_SIZE(s) \ + ICE_SW_RULE_RX_TX_HDR_SIZE((s), DUMMY_ETH_HDR_LEN) +#define ICE_SW_RULE_RX_TX_NO_HDR_SIZE(s) \ + ICE_SW_RULE_RX_TX_HDR_SIZE((s), 0) +#define ICE_SW_RULE_LG_ACT_SIZE(s, n) struct_size((s), act, (n)) + +#define DUMMY_ETH_HDR_LEN 16 + +/* 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 { + /* Store metadata values in rule info */ + enum ice_sw_tunnel_type tun_type; + u16 vlan_type; + u16 fltr_rule_id; + u32 priority; + u16 need_pass_l2:1; + u16 allow_pass_l2:1; + u16 src_vsi; + struct ice_sw_act_ctrl sw_act; + 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; + + u8 need_pass_l2:1; + u8 allow_pass_l2:1; + + 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); +int ice_share_res(struct ice_hw *hw, u16 type, u8 shared, u16 res_id); + +/* Switch/bridge related commands */ +void ice_rule_add_tunnel_metadata(struct ice_adv_lkup_elem *lkup); +void ice_rule_add_direction_metadata(struct ice_adv_lkup_elem *lkup); +void ice_rule_add_vlan_metadata(struct ice_adv_lkup_elem *lkup); +void ice_rule_add_src_vsi_metadata(struct ice_adv_lkup_elem *lkup); +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_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_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); +void ice_fill_eth_hdr(u8 *eth_hdr); + +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); +struct ice_vsi_list_map_info * +ice_find_vsi_list_entry(struct ice_hw *hw, u8 recp_id, u16 vsi_handle, + u16 *vsi_list_id); +int ice_alloc_recipe(struct ice_hw *hw, u16 *rid); +int ice_aq_get_recipe(struct ice_hw *hw, + struct ice_aqc_recipe_data_elem *s_recipe_list, + u16 *num_recipes, u16 recipe_root, struct ice_sq_cd *cd); +int ice_aq_add_recipe(struct ice_hw *hw, + struct ice_aqc_recipe_data_elem *s_recipe_list, + u16 num_recipes, struct ice_sq_cd *cd); +int +ice_aq_get_recipe_to_profile(struct ice_hw *hw, u32 profile_id, u8 *r_bitmap, + struct ice_sq_cd *cd); +int +ice_aq_map_recipe_to_profile(struct ice_hw *hw, u32 profile_id, u8 *r_bitmap, + struct ice_sq_cd *cd); + +#endif /* _ICE_SWITCH_H_ */ |