4 * Copyright (c) 2016-2017 Solarflare Communications Inc.
7 * This software was jointly developed between OKTET Labs (under contract
8 * for Solarflare) and Solarflare Communications, Inc.
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions are met:
13 * 1. Redistributions of source code must retain the above copyright notice,
14 * this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright notice,
16 * this list of conditions and the following disclaimer in the documentation
17 * and/or other materials provided with the distribution.
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
20 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
21 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
23 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
24 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
25 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
26 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
27 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
28 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
29 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
38 #include <rte_bus_pci.h>
39 #include <rte_ethdev.h>
40 #include <rte_kvargs.h>
41 #include <rte_spinlock.h>
45 #include "sfc_filter.h"
51 #if EFSYS_OPT_RX_SCALE
52 /** RSS hash offloads mask */
53 #define SFC_RSS_OFFLOADS (ETH_RSS_IP | ETH_RSS_TCP)
58 * | UNINITIALIZED |<-----------+
60 * |.eth_dev_init |.eth_dev_uninit
62 * +---------------+------------+
64 * +---------------+<-----------<---------------+
67 * +---------------+------------+ |
69 * +---------------+----+ |
71 * | | +---------------+
73 * | | +---------------+
76 * +---------------+----+ |.dev_close
77 * | CONFIGURED |----------------------------+
78 * +---------------+<-----------+
82 * | STARTING |------------^
83 * +---------------+ failed |
90 * +---------------+------------+
94 enum sfc_adapter_state {
95 SFC_ADAPTER_UNINITIALIZED = 0,
96 SFC_ADAPTER_INITIALIZED,
97 SFC_ADAPTER_CONFIGURING,
98 SFC_ADAPTER_CONFIGURED,
100 SFC_ADAPTER_STARTING,
102 SFC_ADAPTER_STOPPING,
107 enum sfc_dev_filter_mode {
108 SFC_DEV_FILTER_MODE_PROMISC = 0,
109 SFC_DEV_FILTER_MODE_ALLMULTI,
111 SFC_DEV_FILTER_NMODES
114 enum sfc_mcdi_state {
115 SFC_MCDI_UNINITIALIZED = 0,
116 SFC_MCDI_INITIALIZED,
126 enum sfc_mcdi_state state;
127 efx_mcdi_transport_t transport;
129 uint32_t proxy_handle;
130 efx_rc_t proxy_result;
134 efx_intr_type_t type;
135 rte_intr_callback_fn handler;
144 unsigned int lsc_seq;
146 uint32_t phy_adv_cap_mask;
147 uint32_t phy_adv_cap;
149 unsigned int flow_ctrl;
150 boolean_t flow_ctrl_autoneg;
154 * Flow API isolated mode overrides promisc and allmulti settings;
155 * they won't be applied if isolated mode is active
161 struct ether_addr default_mac_addr;
163 unsigned int max_mcast_addrs;
164 unsigned int nb_mcast_addrs;
165 uint8_t *mcast_addrs;
167 rte_spinlock_t mac_stats_lock;
168 uint64_t *mac_stats_buf;
169 unsigned int mac_stats_nb_supported;
170 efsys_mem_t mac_stats_dma_mem;
171 boolean_t mac_stats_reset_pending;
172 uint16_t mac_stats_update_period_ms;
173 uint32_t mac_stats_update_generation;
174 boolean_t mac_stats_periodic_dma_supported;
175 uint64_t mac_stats_last_request_timestamp;
177 uint32_t mac_stats_mask[EFX_MAC_STATS_MASK_NPAGES];
180 /* Adapter private data */
183 * PMD setup and configuration is not thread safe. Since it is not
184 * performance sensitive, it is better to guarantee thread-safety
185 * and add device level lock. Adapter control operations which
186 * change its state should acquire the lock.
189 enum sfc_adapter_state state;
190 struct rte_pci_addr pci_addr;
192 struct rte_eth_dev *eth_dev;
193 struct rte_kvargs *kvargs;
199 rte_spinlock_t nic_lock;
201 struct sfc_mcdi mcdi;
202 struct sfc_intr intr;
203 struct sfc_port port;
204 struct sfc_filter filter;
206 unsigned int rxq_max;
207 unsigned int txq_max;
209 unsigned int txq_max_entries;
212 unsigned int evq_count;
214 unsigned int mgmt_evq_index;
215 rte_spinlock_t mgmt_evq_lock;
216 struct sfc_evq *mgmt_evq;
218 unsigned int rxq_count;
219 struct sfc_rxq_info *rxq_info;
221 unsigned int txq_count;
222 struct sfc_txq_info *txq_info;
226 unsigned int rss_channels;
228 #if EFSYS_OPT_RX_SCALE
229 efx_rx_scale_context_type_t rss_support;
230 efx_rx_hash_support_t hash_support;
231 efx_rx_hash_type_t rss_hash_types;
232 unsigned int rss_tbl[EFX_RSS_TBL_SIZE];
233 uint8_t rss_key[EFX_RSS_KEY_SIZE];
237 * Shared memory copy of the Rx datapath name to be used by
238 * the secondary process to find Rx datapath to be used.
241 const struct sfc_dp_rx *dp_rx;
244 * Shared memory copy of the Tx datapath name to be used by
245 * the secondary process to find Rx datapath to be used.
248 const struct sfc_dp_tx *dp_tx;
252 * Add wrapper functions to acquire/release lock to be able to remove or
253 * change the lock in one place.
257 sfc_adapter_lock_init(struct sfc_adapter *sa)
259 rte_spinlock_init(&sa->lock);
263 sfc_adapter_is_locked(struct sfc_adapter *sa)
265 return rte_spinlock_is_locked(&sa->lock);
269 sfc_adapter_lock(struct sfc_adapter *sa)
271 rte_spinlock_lock(&sa->lock);
275 sfc_adapter_trylock(struct sfc_adapter *sa)
277 return rte_spinlock_trylock(&sa->lock);
281 sfc_adapter_unlock(struct sfc_adapter *sa)
283 rte_spinlock_unlock(&sa->lock);
287 sfc_adapter_lock_fini(__rte_unused struct sfc_adapter *sa)
289 /* Just for symmetry of the API */
292 /** Get the number of milliseconds since boot from the default timer */
293 static inline uint64_t
294 sfc_get_system_msecs(void)
296 return rte_get_timer_cycles() * MS_PER_S / rte_get_timer_hz();
299 int sfc_dma_alloc(const struct sfc_adapter *sa, const char *name, uint16_t id,
300 size_t len, int socket_id, efsys_mem_t *esmp);
301 void sfc_dma_free(const struct sfc_adapter *sa, efsys_mem_t *esmp);
303 int sfc_probe(struct sfc_adapter *sa);
304 void sfc_unprobe(struct sfc_adapter *sa);
305 int sfc_attach(struct sfc_adapter *sa);
306 void sfc_detach(struct sfc_adapter *sa);
307 int sfc_start(struct sfc_adapter *sa);
308 void sfc_stop(struct sfc_adapter *sa);
310 int sfc_mcdi_init(struct sfc_adapter *sa);
311 void sfc_mcdi_fini(struct sfc_adapter *sa);
313 int sfc_configure(struct sfc_adapter *sa);
314 void sfc_close(struct sfc_adapter *sa);
316 int sfc_intr_attach(struct sfc_adapter *sa);
317 void sfc_intr_detach(struct sfc_adapter *sa);
318 int sfc_intr_configure(struct sfc_adapter *sa);
319 void sfc_intr_close(struct sfc_adapter *sa);
320 int sfc_intr_start(struct sfc_adapter *sa);
321 void sfc_intr_stop(struct sfc_adapter *sa);
323 int sfc_port_attach(struct sfc_adapter *sa);
324 void sfc_port_detach(struct sfc_adapter *sa);
325 int sfc_port_configure(struct sfc_adapter *sa);
326 void sfc_port_close(struct sfc_adapter *sa);
327 int sfc_port_start(struct sfc_adapter *sa);
328 void sfc_port_stop(struct sfc_adapter *sa);
329 void sfc_port_link_mode_to_info(efx_link_mode_t link_mode,
330 struct rte_eth_link *link_info);
331 int sfc_port_update_mac_stats(struct sfc_adapter *sa);
332 int sfc_port_reset_mac_stats(struct sfc_adapter *sa);
333 int sfc_set_rx_mode(struct sfc_adapter *sa);