Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
Alex Maftei (amaftei) | 244 | 39.87% | 2 | 6.45% |
Ben Hutchings | 200 | 32.68% | 6 | 19.35% |
Edward Cree | 88 | 14.38% | 11 | 35.48% |
Andrew Rybchenko | 66 | 10.78% | 7 | 22.58% |
Daniel Pieczko | 7 | 1.14% | 1 | 3.23% |
Jon Cooper | 6 | 0.98% | 3 | 9.68% |
Fengguang Wu | 1 | 0.16% | 1 | 3.23% |
Total | 612 | 31 |
/* SPDX-License-Identifier: GPL-2.0-only */ /**************************************************************************** * Driver for Solarflare network controllers and boards * Copyright 2019 Solarflare Communications 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. */ #ifndef EFX_MCDI_FILTERS_H #define EFX_MCDI_FILTERS_H #include "net_driver.h" #include "filter.h" #include "mcdi_pcol.h" #define EFX_EF10_FILTER_DEV_UC_MAX 32 #define EFX_EF10_FILTER_DEV_MC_MAX 256 enum efx_mcdi_filter_default_filters { EFX_EF10_BCAST, EFX_EF10_UCDEF, EFX_EF10_MCDEF, EFX_EF10_VXLAN4_UCDEF, EFX_EF10_VXLAN4_MCDEF, EFX_EF10_VXLAN6_UCDEF, EFX_EF10_VXLAN6_MCDEF, EFX_EF10_NVGRE4_UCDEF, EFX_EF10_NVGRE4_MCDEF, EFX_EF10_NVGRE6_UCDEF, EFX_EF10_NVGRE6_MCDEF, EFX_EF10_GENEVE4_UCDEF, EFX_EF10_GENEVE4_MCDEF, EFX_EF10_GENEVE6_UCDEF, EFX_EF10_GENEVE6_MCDEF, EFX_EF10_NUM_DEFAULT_FILTERS }; /* Per-VLAN filters information */ struct efx_mcdi_filter_vlan { struct list_head list; u16 vid; u16 uc[EFX_EF10_FILTER_DEV_UC_MAX]; u16 mc[EFX_EF10_FILTER_DEV_MC_MAX]; u16 default_filters[EFX_EF10_NUM_DEFAULT_FILTERS]; }; struct efx_mcdi_dev_addr { u8 addr[ETH_ALEN]; }; struct efx_mcdi_filter_table { /* The MCDI match masks supported by this fw & hw, in order of priority */ u32 rx_match_mcdi_flags[ MC_CMD_GET_PARSER_DISP_INFO_OUT_SUPPORTED_MATCHES_MAXNUM * 2]; unsigned int rx_match_count; /* Our RSS context is exclusive (as opposed to shared) */ bool rx_rss_context_exclusive; struct rw_semaphore lock; /* Protects entries */ struct { unsigned long spec; /* pointer to spec plus flag bits */ /* AUTO_OLD is used to mark and sweep MAC filters for the device address lists. */ /* unused flag 1UL */ #define EFX_EF10_FILTER_FLAG_AUTO_OLD 2UL #define EFX_EF10_FILTER_FLAGS 3UL u64 handle; /* firmware handle */ } *entry; /* Shadow of net_device address lists, guarded by mac_lock */ struct efx_mcdi_dev_addr dev_uc_list[EFX_EF10_FILTER_DEV_UC_MAX]; struct efx_mcdi_dev_addr dev_mc_list[EFX_EF10_FILTER_DEV_MC_MAX]; int dev_uc_count; int dev_mc_count; bool uc_promisc; bool mc_promisc; /* Whether in multicast promiscuous mode when last changed */ bool mc_promisc_last; bool mc_overflow; /* Too many MC addrs; should always imply mc_promisc */ /* RSS contexts have yet to be restored after MC reboot */ bool must_restore_rss_contexts; /* filters have yet to be restored after MC reboot */ bool must_restore_filters; /* Multicast filter chaining allows less-specific filters to receive * multicast packets that matched more-specific filters. Early EF10 * firmware didn't support this (SF bug 26807); if mc_chaining == false * then we still subscribe the dev_mc_list even when mc_promisc to * prevent another VI stealing the traffic. */ bool mc_chaining; bool vlan_filter; /* Entries on the vlan_list are added/removed under filter_sem */ struct list_head vlan_list; }; int efx_mcdi_filter_table_probe(struct efx_nic *efx, bool multicast_chaining); void efx_mcdi_filter_table_down(struct efx_nic *efx); void efx_mcdi_filter_table_remove(struct efx_nic *efx); void efx_mcdi_filter_table_restore(struct efx_nic *efx); void efx_mcdi_filter_table_reset_mc_allocations(struct efx_nic *efx); /* * The filter table(s) are managed by firmware and we have write-only * access. When removing filters we must identify them to the * firmware by a 64-bit handle, but this is too wide for Linux kernel * interfaces (32-bit for RX NFC, 16-bit for RFS). Also, we need to * be able to tell in advance whether a requested insertion will * replace an existing filter. Therefore we maintain a software hash * table, which should be at least as large as the hardware hash * table. * * Huntington has a single 8K filter table shared between all filter * types and both ports. */ #define EFX_MCDI_FILTER_TBL_ROWS 8192 bool efx_mcdi_filter_match_supported(struct efx_mcdi_filter_table *table, bool encap, enum efx_filter_match_flags match_flags); void efx_mcdi_filter_sync_rx_mode(struct efx_nic *efx); s32 efx_mcdi_filter_insert(struct efx_nic *efx, struct efx_filter_spec *spec, bool replace_equal); int efx_mcdi_filter_remove_safe(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); u32 efx_mcdi_filter_count_rx_used(struct efx_nic *efx, enum efx_filter_priority priority); int efx_mcdi_filter_clear_rx(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); void efx_mcdi_filter_cleanup_vlans(struct efx_nic *efx); int efx_mcdi_filter_add_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_del_vlan(struct efx_nic *efx, u16 vid); void efx_mcdi_rx_free_indir_table(struct efx_nic *efx); 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_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); int efx_mcdi_rx_pull_rss_config(struct efx_nic *efx); int efx_mcdi_rx_pull_rss_context_config(struct efx_nic *efx, struct efx_rss_context *ctx); void efx_mcdi_rx_restore_rss_contexts(struct efx_nic *efx); static inline void efx_mcdi_update_rx_scatter(struct efx_nic *efx) { /* no need to do anything here */ } bool efx_mcdi_filter_rfs_expire_one(struct efx_nic *efx, u32 flow_id, unsigned int filter_idx); #endif
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