398 lines
11 KiB
C
398 lines
11 KiB
C
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/* SPDX-License-Identifier: GPL-2.0 */
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/* Copyright (c) 2018, Intel Corporation. */
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#ifndef _ICE_SWITCH_H_
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#define _ICE_SWITCH_H_
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#include "ice_common.h"
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#define ICE_SW_CFG_MAX_BUF_LEN 2048
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#define ICE_DFLT_VSI_INVAL 0xff
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#define ICE_FLTR_RX BIT(0)
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#define ICE_FLTR_TX BIT(1)
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#define ICE_FLTR_TX_RX (ICE_FLTR_RX | ICE_FLTR_TX)
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#define ICE_VSI_INVAL_ID 0xffff
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#define ICE_INVAL_Q_HANDLE 0xFFFF
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/* Switch Profile IDs for Profile related switch rules */
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#define ICE_PROFID_IPV4_GTPC_TEID 41
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#define ICE_PROFID_IPV4_GTPC_NO_TEID 42
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#define ICE_PROFID_IPV4_GTPU_TEID 43
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#define ICE_PROFID_IPV6_GTPC_TEID 44
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#define ICE_PROFID_IPV6_GTPC_NO_TEID 45
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#define ICE_PROFID_IPV6_GTPU_TEID 46
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#define ICE_PROFID_IPV6_GTPU_IPV6_TCP_INNER 70
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/* VSI context structure for add/get/update/free operations */
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struct ice_vsi_ctx {
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u16 vsi_num;
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u16 vsis_allocd;
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u16 vsis_unallocated;
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u16 flags;
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struct ice_aqc_vsi_props info;
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struct ice_sched_vsi_info sched;
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u8 alloc_from_pool;
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u8 vf_num;
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u16 num_lan_q_entries[ICE_MAX_TRAFFIC_CLASS];
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struct ice_q_ctx *lan_q_ctx[ICE_MAX_TRAFFIC_CLASS];
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u16 num_rdma_q_entries[ICE_MAX_TRAFFIC_CLASS];
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struct ice_q_ctx *rdma_q_ctx[ICE_MAX_TRAFFIC_CLASS];
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};
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/* Switch recipe ID enum values are specific to hardware */
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enum ice_sw_lkup_type {
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ICE_SW_LKUP_ETHERTYPE = 0,
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ICE_SW_LKUP_MAC = 1,
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ICE_SW_LKUP_MAC_VLAN = 2,
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ICE_SW_LKUP_PROMISC = 3,
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ICE_SW_LKUP_VLAN = 4,
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ICE_SW_LKUP_DFLT = 5,
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ICE_SW_LKUP_ETHERTYPE_MAC = 8,
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ICE_SW_LKUP_PROMISC_VLAN = 9,
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ICE_SW_LKUP_LAST
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};
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/* type of filter src ID */
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enum ice_src_id {
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ICE_SRC_ID_UNKNOWN = 0,
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ICE_SRC_ID_VSI,
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ICE_SRC_ID_QUEUE,
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ICE_SRC_ID_LPORT,
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};
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struct ice_fltr_info {
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/* Look up information: how to look up packet */
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enum ice_sw_lkup_type lkup_type;
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/* Forward action: filter action to do after lookup */
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enum ice_sw_fwd_act_type fltr_act;
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/* rule ID returned by firmware once filter rule is created */
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u16 fltr_rule_id;
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u16 flag;
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/* Source VSI for LOOKUP_TX or source port for LOOKUP_RX */
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u16 src;
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enum ice_src_id src_id;
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union {
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struct {
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u8 mac_addr[ETH_ALEN];
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} mac;
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struct {
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u8 mac_addr[ETH_ALEN];
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u16 vlan_id;
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} mac_vlan;
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struct {
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u16 vlan_id;
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u16 tpid;
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u8 tpid_valid;
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} vlan;
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/* Set lkup_type as ICE_SW_LKUP_ETHERTYPE
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* if just using ethertype as filter. Set lkup_type as
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* ICE_SW_LKUP_ETHERTYPE_MAC if MAC also needs to be
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* passed in as filter.
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*/
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struct {
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u16 ethertype;
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u8 mac_addr[ETH_ALEN]; /* optional */
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} ethertype_mac;
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} l_data; /* Make sure to zero out the memory of l_data before using
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* it or only set the data associated with lookup match
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* rest everything should be zero
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*/
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/* Depending on filter action */
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union {
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/* queue ID in case of ICE_FWD_TO_Q and starting
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* queue ID in case of ICE_FWD_TO_QGRP.
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*/
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u16 q_id:11;
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u16 hw_vsi_id:10;
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u16 vsi_list_id:10;
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} fwd_id;
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/* Sw VSI handle */
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u16 vsi_handle;
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/* Set to num_queues if action is ICE_FWD_TO_QGRP. This field
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* determines the range of queues the packet needs to be forwarded to.
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* Note that qgrp_size must be set to a power of 2.
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*/
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u8 qgrp_size;
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/* Rule creations populate these indicators basing on the switch type */
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u8 lb_en; /* Indicate if packet can be looped back */
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u8 lan_en; /* Indicate if packet can be forwarded to the uplink */
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};
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struct ice_update_recipe_lkup_idx_params {
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u16 rid;
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u16 fv_idx;
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bool ignore_valid;
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u16 mask;
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bool mask_valid;
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u8 lkup_idx;
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};
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struct ice_adv_lkup_elem {
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enum ice_protocol_type type;
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union {
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union ice_prot_hdr h_u; /* Header values */
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/* Used to iterate over the headers */
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u16 h_raw[sizeof(union ice_prot_hdr) / sizeof(u16)];
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};
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union {
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union ice_prot_hdr m_u; /* Mask of header values to match */
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/* Used to iterate over header mask */
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u16 m_raw[sizeof(union ice_prot_hdr) / sizeof(u16)];
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};
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};
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struct ice_sw_act_ctrl {
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/* Source VSI for LOOKUP_TX or source port for LOOKUP_RX */
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u16 src;
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u16 flag;
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enum ice_sw_fwd_act_type fltr_act;
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/* Depending on filter action */
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union {
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/* This is a queue ID in case of ICE_FWD_TO_Q and starting
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* queue ID in case of ICE_FWD_TO_QGRP.
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*/
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u16 q_id:11;
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u16 vsi_id:10;
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u16 hw_vsi_id:10;
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u16 vsi_list_id:10;
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} fwd_id;
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/* software VSI handle */
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u16 vsi_handle;
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u8 qgrp_size;
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};
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struct ice_rule_query_data {
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/* Recipe ID for which the requested rule was added */
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u16 rid;
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/* Rule ID that was added or is supposed to be removed */
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u16 rule_id;
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/* vsi_handle for which Rule was added or is supposed to be removed */
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u16 vsi_handle;
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};
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/* This structure allows to pass info about lb_en and lan_en
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* flags to ice_add_adv_rule. Values in act would be used
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* only if act_valid was set to true, otherwise default
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* values would be used.
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*/
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struct ice_adv_rule_flags_info {
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u32 act;
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u8 act_valid; /* indicate if flags in act are valid */
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};
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struct ice_adv_rule_info {
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enum ice_sw_tunnel_type tun_type;
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struct ice_sw_act_ctrl sw_act;
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u32 priority;
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u8 rx; /* true means LOOKUP_RX otherwise LOOKUP_TX */
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u16 fltr_rule_id;
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u16 vlan_type;
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struct ice_adv_rule_flags_info flags_info;
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};
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/* A collection of one or more four word recipe */
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struct ice_sw_recipe {
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/* For a chained recipe the root recipe is what should be used for
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* programming rules
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*/
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u8 is_root;
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u8 root_rid;
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u8 recp_created;
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/* Number of extraction words */
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u8 n_ext_words;
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/* Protocol ID and Offset pair (extraction word) to describe the
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* recipe
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*/
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struct ice_fv_word ext_words[ICE_MAX_CHAIN_WORDS];
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u16 word_masks[ICE_MAX_CHAIN_WORDS];
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/* if this recipe is a collection of other recipe */
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u8 big_recp;
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/* if this recipe is part of another bigger recipe then chain index
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* corresponding to this recipe
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*/
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u8 chain_idx;
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/* if this recipe is a collection of other recipe then count of other
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* recipes and recipe IDs of those recipes
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*/
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u8 n_grp_count;
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/* Bit map specifying the IDs associated with this group of recipe */
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DECLARE_BITMAP(r_bitmap, ICE_MAX_NUM_RECIPES);
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enum ice_sw_tunnel_type tun_type;
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/* List of type ice_fltr_mgmt_list_entry or adv_rule */
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u8 adv_rule;
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struct list_head filt_rules;
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struct list_head filt_replay_rules;
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struct mutex filt_rule_lock; /* protect filter rule structure */
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/* Profiles this recipe should be associated with */
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struct list_head fv_list;
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/* Profiles this recipe is associated with */
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u8 num_profs, *prof_ids;
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/* Bit map for possible result indexes */
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DECLARE_BITMAP(res_idxs, ICE_MAX_FV_WORDS);
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/* This allows user to specify the recipe priority.
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* For now, this becomes 'fwd_priority' when recipe
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* is created, usually recipes can have 'fwd' and 'join'
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* priority.
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*/
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u8 priority;
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struct list_head rg_list;
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/* AQ buffer associated with this recipe */
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struct ice_aqc_recipe_data_elem *root_buf;
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/* This struct saves the fv_words for a given lookup */
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struct ice_prot_lkup_ext lkup_exts;
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};
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/* Bookkeeping structure to hold bitmap of VSIs corresponding to VSI list ID */
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struct ice_vsi_list_map_info {
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struct list_head list_entry;
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DECLARE_BITMAP(vsi_map, ICE_MAX_VSI);
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u16 vsi_list_id;
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/* counter to track how many rules are reusing this VSI list */
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u16 ref_cnt;
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};
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struct ice_fltr_list_entry {
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struct list_head list_entry;
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int status;
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struct ice_fltr_info fltr_info;
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};
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/* This defines an entry in the list that maintains MAC or VLAN membership
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* to HW list mapping, since multiple VSIs can subscribe to the same MAC or
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* VLAN. As an optimization the VSI list should be created only when a
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* second VSI becomes a subscriber to the same MAC address. VSI lists are always
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* used for VLAN membership.
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*/
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struct ice_fltr_mgmt_list_entry {
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/* back pointer to VSI list ID to VSI list mapping */
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struct ice_vsi_list_map_info *vsi_list_info;
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u16 vsi_count;
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#define ICE_INVAL_LG_ACT_INDEX 0xffff
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u16 lg_act_idx;
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#define ICE_INVAL_SW_MARKER_ID 0xffff
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u16 sw_marker_id;
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struct list_head list_entry;
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struct ice_fltr_info fltr_info;
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#define ICE_INVAL_COUNTER_ID 0xff
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u8 counter_index;
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};
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struct ice_adv_fltr_mgmt_list_entry {
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struct list_head list_entry;
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struct ice_adv_lkup_elem *lkups;
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struct ice_adv_rule_info rule_info;
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u16 lkups_cnt;
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struct ice_vsi_list_map_info *vsi_list_info;
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u16 vsi_count;
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};
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enum ice_promisc_flags {
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ICE_PROMISC_UCAST_RX = 0x1,
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ICE_PROMISC_UCAST_TX = 0x2,
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ICE_PROMISC_MCAST_RX = 0x4,
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ICE_PROMISC_MCAST_TX = 0x8,
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ICE_PROMISC_BCAST_RX = 0x10,
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ICE_PROMISC_BCAST_TX = 0x20,
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ICE_PROMISC_VLAN_RX = 0x40,
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ICE_PROMISC_VLAN_TX = 0x80,
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};
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/* VSI related commands */
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int
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ice_add_vsi(struct ice_hw *hw, u16 vsi_handle, struct ice_vsi_ctx *vsi_ctx,
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struct ice_sq_cd *cd);
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int
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ice_free_vsi(struct ice_hw *hw, u16 vsi_handle, struct ice_vsi_ctx *vsi_ctx,
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bool keep_vsi_alloc, struct ice_sq_cd *cd);
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int
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ice_update_vsi(struct ice_hw *hw, u16 vsi_handle, struct ice_vsi_ctx *vsi_ctx,
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struct ice_sq_cd *cd);
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bool ice_is_vsi_valid(struct ice_hw *hw, u16 vsi_handle);
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struct ice_vsi_ctx *ice_get_vsi_ctx(struct ice_hw *hw, u16 vsi_handle);
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void ice_clear_all_vsi_ctx(struct ice_hw *hw);
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/* Switch config */
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int ice_get_initial_sw_cfg(struct ice_hw *hw);
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int
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ice_alloc_res_cntr(struct ice_hw *hw, u8 type, u8 alloc_shared, u16 num_items,
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u16 *counter_id);
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int
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ice_free_res_cntr(struct ice_hw *hw, u8 type, u8 alloc_shared, u16 num_items,
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u16 counter_id);
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/* Switch/bridge related commands */
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int
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ice_add_adv_rule(struct ice_hw *hw, struct ice_adv_lkup_elem *lkups,
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u16 lkups_cnt, struct ice_adv_rule_info *rinfo,
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struct ice_rule_query_data *added_entry);
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int ice_update_sw_rule_bridge_mode(struct ice_hw *hw);
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int ice_add_vlan(struct ice_hw *hw, struct list_head *m_list);
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int ice_remove_vlan(struct ice_hw *hw, struct list_head *v_list);
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int ice_add_mac(struct ice_hw *hw, struct list_head *m_lst);
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int ice_remove_mac(struct ice_hw *hw, struct list_head *m_lst);
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bool ice_mac_fltr_exist(struct ice_hw *hw, u8 *mac, u16 vsi_handle);
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bool ice_vlan_fltr_exist(struct ice_hw *hw, u16 vlan_id, u16 vsi_handle);
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int ice_add_eth_mac(struct ice_hw *hw, struct list_head *em_list);
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int ice_remove_eth_mac(struct ice_hw *hw, struct list_head *em_list);
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int ice_cfg_rdma_fltr(struct ice_hw *hw, u16 vsi_handle, bool enable);
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void ice_remove_vsi_fltr(struct ice_hw *hw, u16 vsi_handle);
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/* Promisc/defport setup for VSIs */
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int
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ice_cfg_dflt_vsi(struct ice_port_info *pi, u16 vsi_handle, bool set,
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||
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u8 direction);
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||
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bool
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||
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ice_check_if_dflt_vsi(struct ice_port_info *pi, u16 vsi_handle,
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||
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bool *rule_exists);
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||
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||
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int
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||
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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);
|
||
|
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int
|
||
|
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ice_set_vlan_vsi_promisc(struct ice_hw *hw, u16 vsi_handle, u8 promisc_mask,
|
||
|
|
bool rm_vlan_promisc);
|
||
|
|
|
||
|
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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_ */
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