--- /dev/null
+/*-
+ * BSD LICENSE
+ *
+ * Copyright (c) 2016-2017 Solarflare Communications Inc.
+ * All rights reserved.
+ *
+ * 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
+#define _SFC_H
+
+#include <stdbool.h>
+
+#include <rte_ethdev.h>
+#include <rte_kvargs.h>
+#include <rte_spinlock.h>
+
+#include "efx.h"
+
+#include "sfc_filter.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 |failed |
+ * +---------------+------------+ |
+ * | CONFIGURING | |
+ * +---------------+----+ |
+ * |success | |
+ * | | +---------------+
+ * | | | CLOSING |
+ * | | +---------------+
+ * | | ^
+ * V |.dev_configure |
+ * +---------------+----+ |.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;
+};
+
+struct sfc_rxq_info;
+struct sfc_txq_info;
+struct sfc_dp_rx;
+
+struct sfc_port {
+ unsigned int lsc_seq;
+
+ uint32_t phy_adv_cap_mask;
+ uint32_t phy_adv_cap;
+
+ unsigned int flow_ctrl;
+ boolean_t flow_ctrl_autoneg;
+ size_t pdu;
+
+ boolean_t promisc;
+ boolean_t allmulti;
+
+ 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;
+ efsys_mem_t mac_stats_dma_mem;
+ boolean_t mac_stats_reset_pending;
+ uint16_t mac_stats_update_period_ms;
+ uint32_t mac_stats_update_generation;
+ boolean_t mac_stats_periodic_dma_supported;
+ uint64_t mac_stats_last_request_timestamp;
+
+ uint32_t mac_stats_mask[EFX_MAC_STATS_MASK_NPAGES];
+};
+
+/* Adapter private data */
+struct sfc_adapter {
+ /*
+ * PMD setup and configuration is not thread safe. Since it is not
+ * performance sensitive, it is better to guarantee thread-safety
+ * and add device level lock. Adapter control operations which
+ * change its state should acquire the lock.
+ */
+ rte_spinlock_t lock;
+ enum sfc_adapter_state state;
+ struct rte_eth_dev *eth_dev;
+ struct rte_kvargs *kvargs;
+ bool debug_init;
+ int socket_id;
+ efsys_bar_t mem_bar;
+ efx_family_t family;
+ efx_nic_t *nic;
+ rte_spinlock_t nic_lock;
+
+ struct sfc_mcdi mcdi;
+ struct sfc_intr intr;
+ struct sfc_port port;
+ struct sfc_filter filter;
+
+ unsigned int rxq_max;
+ unsigned int txq_max;
+
+ unsigned int txq_max_entries;
+
+ uint32_t evq_flags;
+ unsigned int evq_count;
+
+ unsigned int mgmt_evq_index;
+ rte_spinlock_t mgmt_evq_lock;
+ struct sfc_evq *mgmt_evq;
+
+ unsigned int rxq_count;
+ struct sfc_rxq_info *rxq_info;
+
+ unsigned int txq_count;
+ struct sfc_txq_info *txq_info;
+
+ boolean_t tso;
+
+ unsigned int rss_channels;
+
+#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
+
+ const struct sfc_dp_rx *dp_rx;
+ const struct sfc_dp_tx *dp_tx;
+};
+
+/*
+ * Add wrapper functions to acquire/release lock to be able to remove or
+ * change the lock in one place.
+ */
+
+static inline void
+sfc_adapter_lock_init(struct sfc_adapter *sa)
+{
+ rte_spinlock_init(&sa->lock);
+}
+
+static inline int
+sfc_adapter_is_locked(struct sfc_adapter *sa)
+{
+ return rte_spinlock_is_locked(&sa->lock);
+}
+
+static inline void
+sfc_adapter_lock(struct sfc_adapter *sa)
+{
+ rte_spinlock_lock(&sa->lock);
+}
+
+static inline int
+sfc_adapter_trylock(struct sfc_adapter *sa)
+{
+ return rte_spinlock_trylock(&sa->lock);
+}
+
+static inline void
+sfc_adapter_unlock(struct sfc_adapter *sa)
+{
+ rte_spinlock_unlock(&sa->lock);
+}
+
+static inline void
+sfc_adapter_lock_fini(__rte_unused struct sfc_adapter *sa)
+{
+ /* Just for symmetry of the API */
+}
+
+/** 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);
+void sfc_dma_free(const struct sfc_adapter *sa, efsys_mem_t *esmp);
+
+int sfc_probe(struct sfc_adapter *sa);
+void sfc_unprobe(struct sfc_adapter *sa);
+int sfc_attach(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);
+
+int sfc_mcdi_init(struct sfc_adapter *sa);
+void sfc_mcdi_fini(struct sfc_adapter *sa);
+
+int sfc_configure(struct sfc_adapter *sa);
+void sfc_close(struct sfc_adapter *sa);
+
+int sfc_intr_attach(struct sfc_adapter *sa);
+void sfc_intr_detach(struct sfc_adapter *sa);
+int sfc_intr_configure(struct sfc_adapter *sa);
+void sfc_intr_close(struct sfc_adapter *sa);
+int sfc_intr_start(struct sfc_adapter *sa);
+void sfc_intr_stop(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_reset_mac_stats(struct sfc_adapter *sa);
+int sfc_set_rx_mode(struct sfc_adapter *sa);
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _SFC_H */
Code Review / deb_dpdk.git / blobdiff