// SPDX-License-Identifier: GPL-2.0+ /* Microchip Sparx5 Switch driver VCAP implementation * * Copyright (c) 2022 Microchip Technology Inc. and its subsidiaries. * * The Sparx5 Chip Register Model can be browsed at this location: * https://github.com/microchip-ung/sparx-5_reginfo */ #include "vcap_api_debugfs.h" #include "sparx5_main_regs.h" #include "sparx5_main.h" #include "sparx5_vcap_impl.h" #include "sparx5_vcap_ag_api.h" #include "sparx5_vcap_debugfs.h" #define SUPER_VCAP_BLK_SIZE … #define STREAMSIZE … #define SPARX5_IS2_LOOKUPS … #define VCAP_IS2_KEYSEL(_ena, _noneth, _v4_mc, _v4_uc, _v6_mc, _v6_uc, _arp) … #define SPARX5_IS0_LOOKUPS … #define VCAP_IS0_KEYSEL(_ena, _etype, _ipv4, _ipv6, _mpls_uc, _mpls_mc, _mlbs) … #define SPARX5_ES0_LOOKUPS … #define VCAP_ES0_KEYSEL(_key) … #define SPARX5_STAT_ESDX_GRN_PKTS … #define SPARX5_STAT_ESDX_YEL_PKTS … #define SPARX5_ES2_LOOKUPS … #define VCAP_ES2_KEYSEL(_ena, _arp, _ipv4, _ipv6) … static struct sparx5_vcap_inst { … } sparx5_vcap_inst_cfg[] = …; /* These protocols have dedicated keysets in IS0 and a TC dissector */ static u16 sparx5_vcap_is0_known_etypes[] = …; /* These protocols have dedicated keysets in IS2 and a TC dissector */ static u16 sparx5_vcap_is2_known_etypes[] = …; /* These protocols have dedicated keysets in ES2 and a TC dissector */ static u16 sparx5_vcap_es2_known_etypes[] = …; static void sparx5_vcap_type_err(struct sparx5 *sparx5, struct vcap_admin *admin, const char *fname) { … } /* Await the super VCAP completion of the current operation */ static void sparx5_vcap_wait_super_update(struct sparx5 *sparx5) { … } /* Await the ES0 VCAP completion of the current operation */ static void sparx5_vcap_wait_es0_update(struct sparx5 *sparx5) { … } /* Await the ES2 VCAP completion of the current operation */ static void sparx5_vcap_wait_es2_update(struct sparx5 *sparx5) { … } /* Initializing a VCAP address range */ static void _sparx5_vcap_range_init(struct sparx5 *sparx5, struct vcap_admin *admin, u32 addr, u32 count) { … } /* Initializing VCAP rule data area */ static void sparx5_vcap_block_init(struct sparx5 *sparx5, struct vcap_admin *admin) { … } /* Get the keyset name from the sparx5 VCAP model */ static const char *sparx5_vcap_keyset_name(struct net_device *ndev, enum vcap_keyfield_set keyset) { … } /* Check if this is the first lookup of IS0 */ static bool sparx5_vcap_is0_is_first_chain(struct vcap_rule *rule) { … } /* Check if this is the first lookup of IS2 */ static bool sparx5_vcap_is2_is_first_chain(struct vcap_rule *rule) { … } static bool sparx5_vcap_es2_is_first_chain(struct vcap_rule *rule) { … } /* Set the narrow range ingress port mask on a rule */ static void sparx5_vcap_add_ingress_range_port_mask(struct vcap_rule *rule, struct net_device *ndev) { … } /* Set the wide range ingress port mask on a rule */ static void sparx5_vcap_add_wide_port_mask(struct vcap_rule *rule, struct net_device *ndev) { … } static void sparx5_vcap_add_egress_range_port_mask(struct vcap_rule *rule, struct net_device *ndev) { … } /* Convert IS0 chain id to vcap lookup id */ static int sparx5_vcap_is0_cid_to_lookup(int cid) { … } /* Convert IS2 chain id to vcap lookup id */ static int sparx5_vcap_is2_cid_to_lookup(int cid) { … } /* Convert ES2 chain id to vcap lookup id */ static int sparx5_vcap_es2_cid_to_lookup(int cid) { … } /* Add ethernet type IS0 keyset to a list */ static void sparx5_vcap_is0_get_port_etype_keysets(struct vcap_keyset_list *keysetlist, u32 value) { … } /* Return the list of keysets for the vcap port configuration */ static int sparx5_vcap_is0_get_port_keysets(struct net_device *ndev, int lookup, struct vcap_keyset_list *keysetlist, u16 l3_proto) { … } /* Return the list of keysets for the vcap port configuration */ static int sparx5_vcap_is2_get_port_keysets(struct net_device *ndev, int lookup, struct vcap_keyset_list *keysetlist, u16 l3_proto) { … } /* Return the keysets for the vcap port IP4 traffic class configuration */ static void sparx5_vcap_es2_get_port_ipv4_keysets(struct vcap_keyset_list *keysetlist, u32 value) { … } /* Return the list of keysets for the vcap port configuration */ static int sparx5_vcap_es0_get_port_keysets(struct net_device *ndev, struct vcap_keyset_list *keysetlist, u16 l3_proto) { … } /* Return the list of keysets for the vcap port configuration */ static int sparx5_vcap_es2_get_port_keysets(struct net_device *ndev, int lookup, struct vcap_keyset_list *keysetlist, u16 l3_proto) { … } /* Get the port keyset for the vcap lookup */ int sparx5_vcap_get_port_keyset(struct net_device *ndev, struct vcap_admin *admin, int cid, u16 l3_proto, struct vcap_keyset_list *kslist) { … } /* Check if the ethertype is supported by the vcap port classification */ bool sparx5_vcap_is_known_etype(struct vcap_admin *admin, u16 etype) { … } /* API callback used for validating a field keyset (check the port keysets) */ static enum vcap_keyfield_set sparx5_vcap_validate_keyset(struct net_device *ndev, struct vcap_admin *admin, struct vcap_rule *rule, struct vcap_keyset_list *kslist, u16 l3_proto) { … } static void sparx5_vcap_ingress_add_default_fields(struct net_device *ndev, struct vcap_admin *admin, struct vcap_rule *rule) { … } static void sparx5_vcap_es0_add_default_fields(struct net_device *ndev, struct vcap_admin *admin, struct vcap_rule *rule) { … } static void sparx5_vcap_es2_add_default_fields(struct net_device *ndev, struct vcap_admin *admin, struct vcap_rule *rule) { … } /* API callback used for adding default fields to a rule */ static void sparx5_vcap_add_default_fields(struct net_device *ndev, struct vcap_admin *admin, struct vcap_rule *rule) { … } /* API callback used for erasing the vcap cache area (not the register area) */ static void sparx5_vcap_cache_erase(struct vcap_admin *admin) { … } static void sparx5_vcap_is0_cache_write(struct sparx5 *sparx5, struct vcap_admin *admin, enum vcap_selection sel, u32 start, u32 count) { … } static void sparx5_vcap_is2_cache_write(struct sparx5 *sparx5, struct vcap_admin *admin, enum vcap_selection sel, u32 start, u32 count) { … } /* Use ESDX counters located in the XQS */ static void sparx5_es0_write_esdx_counter(struct sparx5 *sparx5, struct vcap_admin *admin, u32 id) { … } static void sparx5_vcap_es0_cache_write(struct sparx5 *sparx5, struct vcap_admin *admin, enum vcap_selection sel, u32 start, u32 count) { … } static void sparx5_vcap_es2_cache_write(struct sparx5 *sparx5, struct vcap_admin *admin, enum vcap_selection sel, u32 start, u32 count) { … } /* API callback used for writing to the VCAP cache */ static void sparx5_vcap_cache_write(struct net_device *ndev, struct vcap_admin *admin, enum vcap_selection sel, u32 start, u32 count) { … } static void sparx5_vcap_is0_cache_read(struct sparx5 *sparx5, struct vcap_admin *admin, enum vcap_selection sel, u32 start, u32 count) { … } static void sparx5_vcap_is2_cache_read(struct sparx5 *sparx5, struct vcap_admin *admin, enum vcap_selection sel, u32 start, u32 count) { … } /* Use ESDX counters located in the XQS */ static void sparx5_es0_read_esdx_counter(struct sparx5 *sparx5, struct vcap_admin *admin, u32 id) { … } static void sparx5_vcap_es0_cache_read(struct sparx5 *sparx5, struct vcap_admin *admin, enum vcap_selection sel, u32 start, u32 count) { … } static void sparx5_vcap_es2_cache_read(struct sparx5 *sparx5, struct vcap_admin *admin, enum vcap_selection sel, u32 start, u32 count) { … } /* API callback used for reading from the VCAP into the VCAP cache */ static void sparx5_vcap_cache_read(struct net_device *ndev, struct vcap_admin *admin, enum vcap_selection sel, u32 start, u32 count) { … } /* API callback used for initializing a VCAP address range */ static void sparx5_vcap_range_init(struct net_device *ndev, struct vcap_admin *admin, u32 addr, u32 count) { … } static void sparx5_vcap_super_update(struct sparx5 *sparx5, enum vcap_command cmd, enum vcap_selection sel, u32 addr) { … } static void sparx5_vcap_es0_update(struct sparx5 *sparx5, enum vcap_command cmd, enum vcap_selection sel, u32 addr) { … } static void sparx5_vcap_es2_update(struct sparx5 *sparx5, enum vcap_command cmd, enum vcap_selection sel, u32 addr) { … } /* API callback used for updating the VCAP cache */ static void sparx5_vcap_update(struct net_device *ndev, struct vcap_admin *admin, enum vcap_command cmd, enum vcap_selection sel, u32 addr) { … } static void sparx5_vcap_super_move(struct sparx5 *sparx5, u32 addr, enum vcap_command cmd, u16 mv_num_pos, u16 mv_size) { … } static void sparx5_vcap_es0_move(struct sparx5 *sparx5, u32 addr, enum vcap_command cmd, u16 mv_num_pos, u16 mv_size) { … } static void sparx5_vcap_es2_move(struct sparx5 *sparx5, u32 addr, enum vcap_command cmd, u16 mv_num_pos, u16 mv_size) { … } /* API callback used for moving a block of rules in the VCAP */ static void sparx5_vcap_move(struct net_device *ndev, struct vcap_admin *admin, u32 addr, int offset, int count) { … } static const struct vcap_operations sparx5_vcap_ops = …; static u32 sparx5_vcap_is0_keyset_to_etype_ps(enum vcap_keyfield_set keyset) { … } static void sparx5_vcap_is0_set_port_keyset(struct net_device *ndev, int lookup, enum vcap_keyfield_set keyset, int l3_proto) { … } static u32 sparx5_vcap_is2_keyset_to_arp_ps(enum vcap_keyfield_set keyset) { … } static u32 sparx5_vcap_is2_keyset_to_ipv4_ps(enum vcap_keyfield_set keyset) { … } static u32 sparx5_vcap_is2_keyset_to_ipv6_uc_ps(enum vcap_keyfield_set keyset) { … } static u32 sparx5_vcap_is2_keyset_to_ipv6_mc_ps(enum vcap_keyfield_set keyset) { … } static void sparx5_vcap_is2_set_port_keyset(struct net_device *ndev, int lookup, enum vcap_keyfield_set keyset, int l3_proto) { … } static u32 sparx5_vcap_es2_keyset_to_arp_ps(enum vcap_keyfield_set keyset) { … } static u32 sparx5_vcap_es2_keyset_to_ipv4_ps(enum vcap_keyfield_set keyset) { … } static u32 sparx5_vcap_es2_keyset_to_ipv6_ps(enum vcap_keyfield_set keyset) { … } static void sparx5_vcap_es2_set_port_keyset(struct net_device *ndev, int lookup, enum vcap_keyfield_set keyset, int l3_proto) { … } /* Change the port keyset for the lookup and protocol */ void sparx5_vcap_set_port_keyset(struct net_device *ndev, struct vcap_admin *admin, int cid, u16 l3_proto, enum vcap_keyfield_set keyset, struct vcap_keyset_list *orig) { … } /* Enable IS0 lookups per port and set the keyset generation */ static void sparx5_vcap_is0_port_key_selection(struct sparx5 *sparx5, struct vcap_admin *admin) { … } /* Enable IS2 lookups per port and set the keyset generation */ static void sparx5_vcap_is2_port_key_selection(struct sparx5 *sparx5, struct vcap_admin *admin) { … } /* Enable ES0 lookups per port and set the keyset generation */ static void sparx5_vcap_es0_port_key_selection(struct sparx5 *sparx5, struct vcap_admin *admin) { … } /* Enable ES2 lookups per port and set the keyset generation */ static void sparx5_vcap_es2_port_key_selection(struct sparx5 *sparx5, struct vcap_admin *admin) { … } /* Enable lookups per port and set the keyset generation */ static void sparx5_vcap_port_key_selection(struct sparx5 *sparx5, struct vcap_admin *admin) { … } /* Disable lookups per port */ static void sparx5_vcap_port_key_deselection(struct sparx5 *sparx5, struct vcap_admin *admin) { … } static void sparx5_vcap_admin_free(struct vcap_admin *admin) { … } /* Allocate a vcap instance with a rule list and a cache area */ static struct vcap_admin * sparx5_vcap_admin_alloc(struct sparx5 *sparx5, struct vcap_control *ctrl, const struct sparx5_vcap_inst *cfg) { … } /* Do block allocations and provide addresses for VCAP instances */ static void sparx5_vcap_block_alloc(struct sparx5 *sparx5, struct vcap_admin *admin, const struct sparx5_vcap_inst *cfg) { … } /* Allocate a vcap control and vcap instances and configure the system */ int sparx5_vcap_init(struct sparx5 *sparx5) { … } void sparx5_vcap_destroy(struct sparx5 *sparx5) { … }
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