// SPDX-License-Identifier: GPL-2.0-only /**************************************************************************** * Driver for Solarflare network controllers and boards * Copyright 2005-2018 Solarflare Communications Inc. * Copyright 2019-2020 Xilinx Inc. * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 as published * by the Free Software Foundation, incorporated herein by reference. */ #include "mcdi_filters.h" #include "mcdi.h" #include "nic.h" #include "rx_common.h" /* The maximum size of a shared RSS context */ /* TODO: this should really be from the mcdi protocol export */ #define EFX_EF10_MAX_SHARED_RSS_CONTEXT_SIZE … #define EFX_EF10_FILTER_ID_INVALID … /* An arbitrary search limit for the software hash table */ #define EFX_EF10_FILTER_SEARCH_LIMIT … static struct efx_filter_spec * efx_mcdi_filter_entry_spec(const struct efx_mcdi_filter_table *table, unsigned int filter_idx) { … } static unsigned int efx_mcdi_filter_entry_flags(const struct efx_mcdi_filter_table *table, unsigned int filter_idx) { … } static u32 efx_mcdi_filter_get_unsafe_id(u32 filter_id) { … } static unsigned int efx_mcdi_filter_get_unsafe_pri(u32 filter_id) { … } static u32 efx_mcdi_filter_make_filter_id(unsigned int pri, u16 idx) { … } /* * Decide whether a filter should be exclusive or else should allow * delivery to additional recipients. Currently we decide that * filters for specific local unicast MAC and IP addresses are * exclusive. */ static bool efx_mcdi_filter_is_exclusive(const struct efx_filter_spec *spec) { … } static void efx_mcdi_filter_set_entry(struct efx_mcdi_filter_table *table, unsigned int filter_idx, const struct efx_filter_spec *spec, unsigned int flags) { … } static void efx_mcdi_filter_push_prep_set_match_fields(struct efx_nic *efx, const struct efx_filter_spec *spec, efx_dword_t *inbuf) { … } static void efx_mcdi_filter_push_prep(struct efx_nic *efx, const struct efx_filter_spec *spec, efx_dword_t *inbuf, u64 handle, struct efx_rss_context_priv *ctx, bool replacing) { … } static int efx_mcdi_filter_push(struct efx_nic *efx, const struct efx_filter_spec *spec, u64 *handle, struct efx_rss_context_priv *ctx, bool replacing) { … } static u32 efx_mcdi_filter_mcdi_flags_from_spec(const struct efx_filter_spec *spec) { … } static int efx_mcdi_filter_pri(struct efx_mcdi_filter_table *table, const struct efx_filter_spec *spec) { … } static s32 efx_mcdi_filter_insert_locked(struct efx_nic *efx, struct efx_filter_spec *spec, bool replace_equal) { … } s32 efx_mcdi_filter_insert(struct efx_nic *efx, struct efx_filter_spec *spec, bool replace_equal) { … } /* * Remove a filter. * If !by_index, remove by ID * If by_index, remove by index * Filter ID may come from userland and must be range-checked. * Caller must hold efx->filter_sem for read, and efx->filter_state->lock * for write. */ static int efx_mcdi_filter_remove_internal(struct efx_nic *efx, unsigned int priority_mask, u32 filter_id, bool by_index) { … } /* Remove filters that weren't renewed. */ static void efx_mcdi_filter_remove_old(struct efx_nic *efx) { … } int efx_mcdi_filter_remove_safe(struct efx_nic *efx, enum efx_filter_priority priority, u32 filter_id) { … } /* Caller must hold efx->filter_sem for read */ static void efx_mcdi_filter_remove_unsafe(struct efx_nic *efx, enum efx_filter_priority priority, u32 filter_id) { … } int efx_mcdi_filter_get_safe(struct efx_nic *efx, enum efx_filter_priority priority, u32 filter_id, struct efx_filter_spec *spec) { … } static int efx_mcdi_filter_insert_addr_list(struct efx_nic *efx, struct efx_mcdi_filter_vlan *vlan, bool multicast, bool rollback) { … } static int efx_mcdi_filter_insert_def(struct efx_nic *efx, struct efx_mcdi_filter_vlan *vlan, enum efx_encap_type encap_type, bool multicast, bool rollback) { … } /* * Caller must hold efx->filter_sem for read if race against * efx_mcdi_filter_table_remove() is possible */ static void efx_mcdi_filter_vlan_sync_rx_mode(struct efx_nic *efx, struct efx_mcdi_filter_vlan *vlan) { … } int efx_mcdi_filter_clear_rx(struct efx_nic *efx, enum efx_filter_priority priority) { … } u32 efx_mcdi_filter_count_rx_used(struct efx_nic *efx, enum efx_filter_priority priority) { … } u32 efx_mcdi_filter_get_rx_id_limit(struct efx_nic *efx) { … } s32 efx_mcdi_filter_get_rx_ids(struct efx_nic *efx, enum efx_filter_priority priority, u32 *buf, u32 size) { … } static int efx_mcdi_filter_match_flags_from_mcdi(bool encap, u32 mcdi_flags) { … } bool efx_mcdi_filter_match_supported(struct efx_mcdi_filter_table *table, bool encap, enum efx_filter_match_flags match_flags) { … } static int efx_mcdi_filter_table_probe_matches(struct efx_nic *efx, struct efx_mcdi_filter_table *table, bool encap) { … } int efx_mcdi_filter_table_probe(struct efx_nic *efx, bool multicast_chaining) { … } void efx_mcdi_filter_table_reset_mc_allocations(struct efx_nic *efx) { … } /* * Caller must hold efx->filter_sem for read if race against * efx_mcdi_filter_table_remove() is possible */ void efx_mcdi_filter_table_restore(struct efx_nic *efx) { … } void efx_mcdi_filter_table_down(struct efx_nic *efx) { … } void efx_mcdi_filter_table_remove(struct efx_nic *efx) { … } static void efx_mcdi_filter_mark_one_old(struct efx_nic *efx, uint16_t *id) { … } /* Mark old per-VLAN filters that may need to be removed */ static void _efx_mcdi_filter_vlan_mark_old(struct efx_nic *efx, struct efx_mcdi_filter_vlan *vlan) { … } /* * Mark old filters that may need to be removed. * Caller must hold efx->filter_sem for read if race against * efx_mcdi_filter_table_remove() is possible */ static void efx_mcdi_filter_mark_old(struct efx_nic *efx) { … } int efx_mcdi_filter_add_vlan(struct efx_nic *efx, u16 vid) { … } static void efx_mcdi_filter_del_vlan_internal(struct efx_nic *efx, struct efx_mcdi_filter_vlan *vlan) { … } void efx_mcdi_filter_del_vlan(struct efx_nic *efx, u16 vid) { … } struct efx_mcdi_filter_vlan *efx_mcdi_filter_find_vlan(struct efx_nic *efx, u16 vid) { … } void efx_mcdi_filter_cleanup_vlans(struct efx_nic *efx) { … } static void efx_mcdi_filter_uc_addr_list(struct efx_nic *efx) { … } static void efx_mcdi_filter_mc_addr_list(struct efx_nic *efx) { … } /* * Caller must hold efx->filter_sem for read if race against * efx_mcdi_filter_table_remove() is possible */ void efx_mcdi_filter_sync_rx_mode(struct efx_nic *efx) { … } #ifdef CONFIG_RFS_ACCEL bool efx_mcdi_filter_rfs_expire_one(struct efx_nic *efx, u32 flow_id, unsigned int filter_idx) { … } #endif /* CONFIG_RFS_ACCEL */ #define RSS_MODE_HASH_ADDRS … #define RSS_MODE_HASH_PORTS … #define RSS_CONTEXT_FLAGS_DEFAULT … static int efx_mcdi_get_rss_context_flags(struct efx_nic *efx, u32 context, u32 *flags) { … } /* * Attempt to enable 4-tuple UDP hashing on the specified RSS context. * If we fail, we just leave the RSS context at its default hash settings, * which is safe but may slightly reduce performance. * Defaults are 4-tuple for TCP and 2-tuple for UDP and other-IP, so we * just need to set the UDP ports flags (for both IP versions). */ static void efx_mcdi_set_rss_context_flags(struct efx_nic *efx, struct efx_rss_context_priv *ctx) { … } static int efx_mcdi_filter_alloc_rss_context(struct efx_nic *efx, bool exclusive, struct efx_rss_context_priv *ctx, unsigned *context_size) { … } static int efx_mcdi_filter_free_rss_context(struct efx_nic *efx, u32 context) { … } static int efx_mcdi_filter_populate_rss_table(struct efx_nic *efx, u32 context, const u32 *rx_indir_table, const u8 *key) { … } void efx_mcdi_rx_free_indir_table(struct efx_nic *efx) { … } static int efx_mcdi_filter_rx_push_shared_rss_config(struct efx_nic *efx, unsigned *context_size) { … } static int efx_mcdi_filter_rx_push_exclusive_rss_config(struct efx_nic *efx, const u32 *rx_indir_table, const u8 *key) { … } int efx_mcdi_rx_push_rss_context_config(struct efx_nic *efx, struct efx_rss_context_priv *ctx, const u32 *rx_indir_table, const u8 *key, bool delete) { … } int efx_mcdi_rx_pull_rss_context_config(struct efx_nic *efx, struct efx_rss_context *ctx) { … } int efx_mcdi_rx_pull_rss_config(struct efx_nic *efx) { … } void efx_mcdi_rx_restore_rss_contexts(struct efx_nic *efx) { … } int efx_mcdi_pf_rx_push_rss_config(struct efx_nic *efx, bool user, const u32 *rx_indir_table, const u8 *key) { … } int efx_mcdi_vf_rx_push_rss_config(struct efx_nic *efx, bool user, const u32 *rx_indir_table __attribute__ ((unused)), const u8 *key __attribute__ ((unused))) { … } int efx_mcdi_push_default_indir_table(struct efx_nic *efx, unsigned int rss_spread) { … }
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