791f57ac6b
The information is obtained from firmware on attach. It may change after MC reboot (firmware version or variant change). Cache should be refreshed after MC reboot when it is handled properly (not yet). Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com> Reviewed-by: Andrew Lee <alee@solarflare.com> Reviewed-by: Andy Moreton <amoreton@solarflare.com> Reviewed-by: Robert Stonehouse <rstonehouse@solarflare.com>
297 lines
7.2 KiB
C
297 lines
7.2 KiB
C
/*-
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* Copyright (c) 2016 Solarflare Communications Inc.
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* All rights reserved.
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*
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* This software was jointly developed between OKTET Labs (under contract
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* for Solarflare) and Solarflare Communications, Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _SFC_H
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#define _SFC_H
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#include <stdbool.h>
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#include <rte_ethdev.h>
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#include <rte_kvargs.h>
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#include <rte_spinlock.h>
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#include "efx.h"
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#include "sfc_filter.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define SFC_DEV_TO_PCI(eth_dev) \
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RTE_DEV_TO_PCI((eth_dev)->device)
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#if EFSYS_OPT_RX_SCALE
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/** RSS key length (bytes) */
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#define SFC_RSS_KEY_SIZE 40
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/** RSS hash offloads mask */
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#define SFC_RSS_OFFLOADS (ETH_RSS_IP | ETH_RSS_TCP)
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#endif
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/*
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* +---------------+
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* | UNINITIALIZED |<-----------+
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* +---------------+ |
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* |.eth_dev_init |.eth_dev_uninit
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* V |
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* +---------------+------------+
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* | INITIALIZED |
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* +---------------+<-----------+
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* |.dev_configure |
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* V |
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* +---------------+ |
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* | CONFIGURING |------------^
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* +---------------+ failed |
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* |success |
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* | +---------------+
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* | | CLOSING |
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* | +---------------+
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* | ^
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* V |.dev_close
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* +---------------+------------+
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* | CONFIGURED |
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* +---------------+<-----------+
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* |.dev_start |
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* V |
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* +---------------+ |
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* | STARTING |------------^
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* +---------------+ failed |
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* |success |
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* | +---------------+
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* | | STOPPING |
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* | +---------------+
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* | ^
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* V |.dev_stop
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* +---------------+------------+
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* | STARTED |
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* +---------------+
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*/
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enum sfc_adapter_state {
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SFC_ADAPTER_UNINITIALIZED = 0,
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SFC_ADAPTER_INITIALIZED,
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SFC_ADAPTER_CONFIGURING,
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SFC_ADAPTER_CONFIGURED,
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SFC_ADAPTER_CLOSING,
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SFC_ADAPTER_STARTING,
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SFC_ADAPTER_STARTED,
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SFC_ADAPTER_STOPPING,
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SFC_ADAPTER_NSTATES
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};
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enum sfc_dev_filter_mode {
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SFC_DEV_FILTER_MODE_PROMISC = 0,
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SFC_DEV_FILTER_MODE_ALLMULTI,
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SFC_DEV_FILTER_NMODES
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};
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enum sfc_mcdi_state {
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SFC_MCDI_UNINITIALIZED = 0,
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SFC_MCDI_INITIALIZED,
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SFC_MCDI_BUSY,
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SFC_MCDI_COMPLETED,
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SFC_MCDI_NSTATES
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};
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struct sfc_mcdi {
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rte_spinlock_t lock;
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efsys_mem_t mem;
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enum sfc_mcdi_state state;
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efx_mcdi_transport_t transport;
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bool logging;
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};
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struct sfc_intr {
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efx_intr_type_t type;
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rte_intr_callback_fn handler;
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boolean_t lsc_intr;
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};
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struct sfc_evq_info;
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struct sfc_rxq_info;
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struct sfc_txq_info;
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struct sfc_port {
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unsigned int lsc_seq;
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uint32_t phy_adv_cap_mask;
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uint32_t phy_adv_cap;
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unsigned int flow_ctrl;
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boolean_t flow_ctrl_autoneg;
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size_t pdu;
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boolean_t promisc;
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boolean_t allmulti;
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rte_spinlock_t mac_stats_lock;
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uint64_t *mac_stats_buf;
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efsys_mem_t mac_stats_dma_mem;
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boolean_t mac_stats_reset_pending;
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uint32_t mac_stats_mask[EFX_MAC_STATS_MASK_NPAGES];
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};
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/* Adapter private data */
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struct sfc_adapter {
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/*
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* PMD setup and configuration is not thread safe. Since it is not
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* performance sensitive, it is better to guarantee thread-safety
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* and add device level lock. Adapter control operations which
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* change its state should acquire the lock.
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*/
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rte_spinlock_t lock;
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enum sfc_adapter_state state;
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struct rte_eth_dev *eth_dev;
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struct rte_kvargs *kvargs;
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bool debug_init;
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int socket_id;
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efsys_bar_t mem_bar;
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efx_family_t family;
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efx_nic_t *nic;
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rte_spinlock_t nic_lock;
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struct sfc_mcdi mcdi;
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struct sfc_intr intr;
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struct sfc_port port;
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struct sfc_filter filter;
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unsigned int rxq_max;
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unsigned int txq_max;
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unsigned int txq_max_entries;
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uint32_t evq_flags;
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unsigned int evq_count;
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struct sfc_evq_info *evq_info;
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unsigned int mgmt_evq_index;
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rte_spinlock_t mgmt_evq_lock;
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unsigned int rxq_count;
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struct sfc_rxq_info *rxq_info;
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unsigned int txq_count;
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struct sfc_txq_info *txq_info;
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boolean_t tso;
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unsigned int rss_channels;
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#if EFSYS_OPT_RX_SCALE
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efx_rx_scale_support_t rss_support;
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efx_rx_hash_support_t hash_support;
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efx_rx_hash_type_t rss_hash_types;
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unsigned int rss_tbl[EFX_RSS_TBL_SIZE];
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uint8_t rss_key[SFC_RSS_KEY_SIZE];
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#endif
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};
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/*
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* Add wrapper functions to acquire/release lock to be able to remove or
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* change the lock in one place.
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*/
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static inline void
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sfc_adapter_lock_init(struct sfc_adapter *sa)
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{
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rte_spinlock_init(&sa->lock);
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}
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static inline int
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sfc_adapter_is_locked(struct sfc_adapter *sa)
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{
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return rte_spinlock_is_locked(&sa->lock);
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}
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static inline void
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sfc_adapter_lock(struct sfc_adapter *sa)
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{
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rte_spinlock_lock(&sa->lock);
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}
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static inline int
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sfc_adapter_trylock(struct sfc_adapter *sa)
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{
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return rte_spinlock_trylock(&sa->lock);
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}
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static inline void
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sfc_adapter_unlock(struct sfc_adapter *sa)
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{
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rte_spinlock_unlock(&sa->lock);
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}
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static inline void
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sfc_adapter_lock_fini(__rte_unused struct sfc_adapter *sa)
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{
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/* Just for symmetry of the API */
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}
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int sfc_dma_alloc(const struct sfc_adapter *sa, const char *name, uint16_t id,
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size_t len, int socket_id, efsys_mem_t *esmp);
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void sfc_dma_free(const struct sfc_adapter *sa, efsys_mem_t *esmp);
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int sfc_attach(struct sfc_adapter *sa);
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void sfc_detach(struct sfc_adapter *sa);
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int sfc_start(struct sfc_adapter *sa);
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void sfc_stop(struct sfc_adapter *sa);
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int sfc_mcdi_init(struct sfc_adapter *sa);
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void sfc_mcdi_fini(struct sfc_adapter *sa);
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int sfc_configure(struct sfc_adapter *sa);
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void sfc_close(struct sfc_adapter *sa);
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int sfc_intr_attach(struct sfc_adapter *sa);
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void sfc_intr_detach(struct sfc_adapter *sa);
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int sfc_intr_init(struct sfc_adapter *sa);
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void sfc_intr_fini(struct sfc_adapter *sa);
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int sfc_intr_start(struct sfc_adapter *sa);
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void sfc_intr_stop(struct sfc_adapter *sa);
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int sfc_port_init(struct sfc_adapter *sa);
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void sfc_port_fini(struct sfc_adapter *sa);
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int sfc_port_start(struct sfc_adapter *sa);
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void sfc_port_stop(struct sfc_adapter *sa);
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void sfc_port_link_mode_to_info(efx_link_mode_t link_mode,
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struct rte_eth_link *link_info);
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int sfc_port_update_mac_stats(struct sfc_adapter *sa);
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int sfc_port_reset_mac_stats(struct sfc_adapter *sa);
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int sfc_set_rx_mode(struct sfc_adapter *sa);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _SFC_H */
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