-/*-
- * BSD LICENSE
- *
- * Copyright (c) 2016-2017 Solarflare Communications Inc.
- * All rights reserved.
+/* SPDX-License-Identifier: BSD-3-Clause
+*
+ * Copyright(c) 2019-2021 Xilinx, Inc.
+ * Copyright(c) 2016-2019 Solarflare Communications Inc.
*
* This software was jointly developed between OKTET Labs (under contract
* for Solarflare) and Solarflare Communications, Inc.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- * this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
- * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
- * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
- * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
- * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _SFC_H
#include <stdbool.h>
-#include <rte_ethdev.h>
+#include <rte_pci.h>
+#include <rte_bus_pci.h>
+#include <ethdev_driver.h>
#include <rte_kvargs.h>
#include <rte_spinlock.h>
+#include <rte_atomic.h>
#include "efx.h"
+#include "sfc_efx_mcdi.h"
+#include "sfc_efx.h"
+
+#include "sfc_debug.h"
+#include "sfc_log.h"
#include "sfc_filter.h"
+#include "sfc_flow_rss.h"
+#include "sfc_flow_tunnel.h"
+#include "sfc_sriov.h"
+#include "sfc_mae.h"
+#include "sfc_dp.h"
+#include "sfc_sw_stats.h"
+#include "sfc_repr_proxy.h"
+#include "sfc_service.h"
+#include "sfc_ethdev_state.h"
+#include "sfc_nic_dma_dp.h"
#ifdef __cplusplus
extern "C" {
#endif
-#define SFC_DEV_TO_PCI(eth_dev) \
- RTE_DEV_TO_PCI((eth_dev)->device)
-
-#if EFSYS_OPT_RX_SCALE
-/** RSS key length (bytes) */
-#define SFC_RSS_KEY_SIZE 40
-/** RSS hash offloads mask */
-#define SFC_RSS_OFFLOADS (ETH_RSS_IP | ETH_RSS_TCP)
-#endif
-
-/*
- * +---------------+
- * | UNINITIALIZED |<-----------+
- * +---------------+ |
- * |.eth_dev_init |.eth_dev_uninit
- * V |
- * +---------------+------------+
- * | INITIALIZED |
- * +---------------+<-----------+
- * |.dev_configure |
- * V |
- * +---------------+ |
- * | CONFIGURING |------------^
- * +---------------+ failed |
- * |success |
- * | +---------------+
- * | | CLOSING |
- * | +---------------+
- * | ^
- * V |.dev_close
- * +---------------+------------+
- * | CONFIGURED |
- * +---------------+<-----------+
- * |.dev_start |
- * V |
- * +---------------+ |
- * | STARTING |------------^
- * +---------------+ failed |
- * |success |
- * | +---------------+
- * | | STOPPING |
- * | +---------------+
- * | ^
- * V |.dev_stop
- * +---------------+------------+
- * | STARTED |
- * +---------------+
- */
-enum sfc_adapter_state {
- SFC_ADAPTER_UNINITIALIZED = 0,
- SFC_ADAPTER_INITIALIZED,
- SFC_ADAPTER_CONFIGURING,
- SFC_ADAPTER_CONFIGURED,
- SFC_ADAPTER_CLOSING,
- SFC_ADAPTER_STARTING,
- SFC_ADAPTER_STARTED,
- SFC_ADAPTER_STOPPING,
-
- SFC_ADAPTER_NSTATES
-};
-
enum sfc_dev_filter_mode {
SFC_DEV_FILTER_MODE_PROMISC = 0,
SFC_DEV_FILTER_MODE_ALLMULTI,
SFC_DEV_FILTER_NMODES
};
-enum sfc_mcdi_state {
- SFC_MCDI_UNINITIALIZED = 0,
- SFC_MCDI_INITIALIZED,
- SFC_MCDI_BUSY,
- SFC_MCDI_COMPLETED,
-
- SFC_MCDI_NSTATES
-};
-
-struct sfc_mcdi {
- rte_spinlock_t lock;
- efsys_mem_t mem;
- enum sfc_mcdi_state state;
- efx_mcdi_transport_t transport;
- bool logging;
- uint32_t proxy_handle;
- efx_rc_t proxy_result;
-};
-
struct sfc_intr {
efx_intr_type_t type;
rte_intr_callback_fn handler;
boolean_t lsc_intr;
+ boolean_t rxq_intr;
};
+struct sfc_rxq;
+struct sfc_txq;
+
struct sfc_rxq_info;
struct sfc_txq_info;
struct sfc_dp_rx;
boolean_t flow_ctrl_autoneg;
size_t pdu;
+ /*
+ * Flow API isolated mode overrides promisc and allmulti settings;
+ * they won't be applied if isolated mode is active
+ */
boolean_t promisc;
boolean_t allmulti;
+ struct rte_ether_addr default_mac_addr;
+
unsigned int max_mcast_addrs;
unsigned int nb_mcast_addrs;
uint8_t *mcast_addrs;
- rte_spinlock_t mac_stats_lock;
uint64_t *mac_stats_buf;
+ unsigned int mac_stats_nb_supported;
efsys_mem_t mac_stats_dma_mem;
boolean_t mac_stats_reset_pending;
uint16_t mac_stats_update_period_ms;
uint64_t mac_stats_last_request_timestamp;
uint32_t mac_stats_mask[EFX_MAC_STATS_MASK_NPAGES];
+
+ unsigned int mac_stats_by_id[EFX_MAC_NSTATS];
+
+ uint64_t ipackets;
+};
+
+struct sfc_rss_hf_rte_to_efx {
+ uint64_t rte;
+ efx_rx_hash_type_t efx;
+};
+
+struct sfc_rss {
+ unsigned int channels;
+ efx_rx_scale_context_type_t context_type;
+ efx_rx_hash_support_t hash_support;
+ efx_rx_hash_alg_t hash_alg;
+ unsigned int hf_map_nb_entries;
+ struct sfc_rss_hf_rte_to_efx *hf_map;
+
+ efx_rx_hash_type_t hash_types;
+ unsigned int tbl[EFX_RSS_TBL_SIZE];
+ uint8_t key[EFX_RSS_KEY_SIZE];
+
+ struct sfc_flow_rss_ctx dummy_ctx;
+};
+
+/* Adapter private data shared by primary and secondary processes */
+struct sfc_adapter_shared {
+ unsigned int rxq_count;
+ struct sfc_rxq_info *rxq_info;
+ unsigned int ethdev_rxq_count;
+
+ unsigned int txq_count;
+ struct sfc_txq_info *txq_info;
+ unsigned int ethdev_txq_count;
+
+ struct sfc_rss rss;
+
+ boolean_t isolated;
+ uint32_t tunnel_encaps;
+
+ char log_prefix[SFC_LOG_PREFIX_MAX];
+ struct rte_pci_addr pci_addr;
+ uint16_t port_id;
+
+ char *dp_rx_name;
+ char *dp_tx_name;
+
+ bool counters_rxq_allocated;
+ unsigned int nb_repr_rxq;
+ unsigned int nb_repr_txq;
+
+ struct sfc_nic_dma_info nic_dma_info;
+};
+
+/* Adapter process private data */
+struct sfc_adapter_priv {
+ struct sfc_adapter_shared *shared;
+ const struct sfc_dp_rx *dp_rx;
+ const struct sfc_dp_tx *dp_tx;
+ uint32_t logtype_main;
+};
+
+static inline struct sfc_adapter_priv *
+sfc_adapter_priv_by_eth_dev(struct rte_eth_dev *eth_dev)
+{
+ struct sfc_adapter_priv *sap = eth_dev->process_private;
+
+ SFC_ASSERT(sap != NULL);
+ return sap;
+}
+
+/* RxQ dedicated for counters (counter only RxQ) data */
+struct sfc_counter_rxq {
+ unsigned int state;
+#define SFC_COUNTER_RXQ_ATTACHED 0x1
+#define SFC_COUNTER_RXQ_INITIALIZED 0x2
+ sfc_sw_index_t sw_index;
+ struct rte_mempool *mp;
+};
+
+struct sfc_sw_stat_data {
+ const struct sfc_sw_stat_descr *descr;
+ /* Cache fragment */
+ uint64_t *cache;
+};
+
+struct sfc_sw_stats {
+ /* Number extended statistics provided by SW stats */
+ unsigned int xstats_count;
+ /* Supported SW statistics */
+ struct sfc_sw_stat_data *supp;
+ unsigned int supp_count;
+
+ /* Cache for all supported SW statistics */
+ uint64_t *cache;
+ unsigned int cache_count;
+
+ uint64_t *reset_vals;
+ /* Location of per-queue reset values for packets/bytes in reset_vals */
+ uint64_t *reset_rx_pkts;
+ uint64_t *reset_rx_bytes;
+ uint64_t *reset_tx_pkts;
+ uint64_t *reset_tx_bytes;
+
+ rte_spinlock_t queues_bitmap_lock;
+ void *queues_bitmap_mem;
+ struct rte_bitmap *queues_bitmap;
};
/* Adapter private data */
struct sfc_adapter {
+ /*
+ * It must be the first field of the sfc_adapter structure since
+ * sfc_adapter is the primary process private data (i.e. process
+ * private data plus additional primary process specific data).
+ */
+ struct sfc_adapter_priv priv;
+
/*
* PMD setup and configuration is not thread safe. Since it is not
* performance sensitive, it is better to guarantee thread-safety
* change its state should acquire the lock.
*/
rte_spinlock_t lock;
- enum sfc_adapter_state state;
+ enum sfc_ethdev_state state;
struct rte_eth_dev *eth_dev;
struct rte_kvargs *kvargs;
- bool debug_init;
int socket_id;
efsys_bar_t mem_bar;
+ /* Function control window offset */
+ efsys_dma_addr_t fcw_offset;
efx_family_t family;
efx_nic_t *nic;
rte_spinlock_t nic_lock;
+ rte_atomic32_t restart_required;
- struct sfc_mcdi mcdi;
+ struct sfc_efx_mcdi mcdi;
+ struct sfc_sriov sriov;
struct sfc_intr intr;
struct sfc_port port;
+ struct sfc_sw_stats sw_stats;
+ struct sfc_flow_rss flow_rss;
+ /* Registry of tunnel offload contexts */
+ struct sfc_flow_tunnel flow_tunnels[SFC_FT_MAX_NTUNNELS];
struct sfc_filter filter;
+ struct sfc_mae mae;
+ struct sfc_repr_proxy repr_proxy;
+
+ struct sfc_flow_list flow_list;
unsigned int rxq_max;
unsigned int txq_max;
+ unsigned int rxq_max_entries;
+ unsigned int rxq_min_entries;
+
unsigned int txq_max_entries;
+ unsigned int txq_min_entries;
+
+ unsigned int evq_max_entries;
+ unsigned int evq_min_entries;
uint32_t evq_flags;
unsigned int evq_count;
unsigned int mgmt_evq_index;
+ /*
+ * The lock is used to serialise management event queue polling
+ * which can be done from different context. Also the lock
+ * guarantees that mgmt_evq_running is preserved while the lock
+ * is held. It is used to serialise polling and start/stop
+ * operations.
+ *
+ * Locks which may be held when the lock is acquired:
+ * - adapter lock, when:
+ * - device start/stop to change mgmt_evq_running
+ * - any control operations in client side MCDI proxy handling to
+ * poll management event queue waiting for proxy response
+ * - MCDI lock, when:
+ * - any control operations in client side MCDI proxy handling to
+ * poll management event queue waiting for proxy response
+ *
+ * Locks which are acquired with the lock held:
+ * - nic_lock, when:
+ * - MC event processing on management event queue polling
+ * (e.g. MC REBOOT or BADASSERT events)
+ */
rte_spinlock_t mgmt_evq_lock;
+ bool mgmt_evq_running;
struct sfc_evq *mgmt_evq;
- unsigned int rxq_count;
- struct sfc_rxq_info *rxq_info;
+ struct sfc_counter_rxq counter_rxq;
- unsigned int txq_count;
- struct sfc_txq_info *txq_info;
+ struct sfc_rxq *rxq_ctrl;
+ struct sfc_txq *txq_ctrl;
boolean_t tso;
+ boolean_t tso_encap;
- unsigned int rss_channels;
+ uint64_t negotiated_rx_metadata;
-#if EFSYS_OPT_RX_SCALE
- efx_rx_scale_support_t rss_support;
- efx_rx_hash_support_t hash_support;
- efx_rx_hash_type_t rss_hash_types;
- unsigned int rss_tbl[EFX_RSS_TBL_SIZE];
- uint8_t rss_key[SFC_RSS_KEY_SIZE];
-#endif
+ uint32_t rxd_wait_timeout_ns;
- const struct sfc_dp_rx *dp_rx;
- const struct sfc_dp_tx *dp_tx;
+ bool switchdev;
};
+static inline struct sfc_adapter_shared *
+sfc_adapter_shared_by_eth_dev(struct rte_eth_dev *eth_dev)
+{
+ struct sfc_adapter_shared *sas = eth_dev->data->dev_private;
+
+ return sas;
+}
+
+static inline struct sfc_adapter *
+sfc_adapter_by_eth_dev(struct rte_eth_dev *eth_dev)
+{
+ struct sfc_adapter_priv *sap = sfc_adapter_priv_by_eth_dev(eth_dev);
+
+ SFC_ASSERT(rte_eal_process_type() == RTE_PROC_PRIMARY);
+
+ return container_of(sap, struct sfc_adapter, priv);
+}
+
+static inline struct sfc_adapter_shared *
+sfc_sa2shared(struct sfc_adapter *sa)
+{
+ return sa->priv.shared;
+}
+
/*
* Add wrapper functions to acquire/release lock to be able to remove or
* change the lock in one place.
/* Just for symmetry of the API */
}
+static inline unsigned int
+sfc_nb_counter_rxq(const struct sfc_adapter_shared *sas)
+{
+ return sas->counters_rxq_allocated ? 1 : 0;
+}
+
+bool sfc_repr_supported(const struct sfc_adapter *sa);
+bool sfc_repr_available(const struct sfc_adapter_shared *sas);
+
+static inline unsigned int
+sfc_repr_nb_rxq(const struct sfc_adapter_shared *sas)
+{
+ return sas->nb_repr_rxq;
+}
+
+static inline unsigned int
+sfc_repr_nb_txq(const struct sfc_adapter_shared *sas)
+{
+ return sas->nb_repr_txq;
+}
+
/** Get the number of milliseconds since boot from the default timer */
static inline uint64_t
sfc_get_system_msecs(void)
return rte_get_timer_cycles() * MS_PER_S / rte_get_timer_hz();
}
-int sfc_dma_alloc(const struct sfc_adapter *sa, const char *name, uint16_t id,
- size_t len, int socket_id, efsys_mem_t *esmp);
+int sfc_dma_alloc(struct sfc_adapter *sa, const char *name, uint16_t id,
+ efx_nic_dma_addr_type_t addr_type, size_t len, int socket_id,
+ efsys_mem_t *esmp);
void sfc_dma_free(const struct sfc_adapter *sa, efsys_mem_t *esmp);
+uint32_t sfc_register_logtype(const struct rte_pci_addr *pci_addr,
+ const char *lt_prefix_str,
+ uint32_t ll_default);
+
int sfc_probe(struct sfc_adapter *sa);
void sfc_unprobe(struct sfc_adapter *sa);
int sfc_attach(struct sfc_adapter *sa);
+void sfc_pre_detach(struct sfc_adapter *sa);
void sfc_detach(struct sfc_adapter *sa);
int sfc_start(struct sfc_adapter *sa);
void sfc_stop(struct sfc_adapter *sa);
+void sfc_schedule_restart(struct sfc_adapter *sa);
+
int sfc_mcdi_init(struct sfc_adapter *sa);
void sfc_mcdi_fini(struct sfc_adapter *sa);
int sfc_intr_start(struct sfc_adapter *sa);
void sfc_intr_stop(struct sfc_adapter *sa);
-int sfc_port_init(struct sfc_adapter *sa);
-void sfc_port_fini(struct sfc_adapter *sa);
+int sfc_port_attach(struct sfc_adapter *sa);
+void sfc_port_detach(struct sfc_adapter *sa);
+int sfc_port_configure(struct sfc_adapter *sa);
+void sfc_port_close(struct sfc_adapter *sa);
int sfc_port_start(struct sfc_adapter *sa);
void sfc_port_stop(struct sfc_adapter *sa);
void sfc_port_link_mode_to_info(efx_link_mode_t link_mode,
struct rte_eth_link *link_info);
-int sfc_port_update_mac_stats(struct sfc_adapter *sa);
+int sfc_port_update_mac_stats(struct sfc_adapter *sa, boolean_t manual_update);
+int sfc_port_get_mac_stats(struct sfc_adapter *sa, struct rte_eth_xstat *xstats,
+ unsigned int xstats_count, unsigned int *nb_written);
+int sfc_port_get_mac_stats_by_id(struct sfc_adapter *sa, const uint64_t *ids,
+ uint64_t *values, unsigned int n);
int sfc_port_reset_mac_stats(struct sfc_adapter *sa);
int sfc_set_rx_mode(struct sfc_adapter *sa);
+int sfc_set_rx_mode_unchecked(struct sfc_adapter *sa);
+
+struct sfc_hw_switch_id;
+int sfc_hw_switch_id_init(struct sfc_adapter *sa,
+ struct sfc_hw_switch_id **idp);
+void sfc_hw_switch_id_fini(struct sfc_adapter *sa,
+ struct sfc_hw_switch_id *idp);
+bool sfc_hw_switch_ids_equal(const struct sfc_hw_switch_id *left,
+ const struct sfc_hw_switch_id *right);
#ifdef __cplusplus
}