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>
42 #include <rte_atomic.h>
46 #include "sfc_filter.h"
52 #if EFSYS_OPT_RX_SCALE
53 /** RSS hash offloads mask */
54 #define SFC_RSS_OFFLOADS (ETH_RSS_IP | ETH_RSS_TCP)
59 * | UNINITIALIZED |<-----------+
61 * |.eth_dev_init |.eth_dev_uninit
63 * +---------------+------------+
65 * +---------------+<-----------<---------------+
68 * +---------------+------------+ |
70 * +---------------+----+ |
72 * | | +---------------+
74 * | | +---------------+
77 * +---------------+----+ |.dev_close
78 * | CONFIGURED |----------------------------+
79 * +---------------+<-----------+
83 * | STARTING |------------^
84 * +---------------+ failed |
91 * +---------------+------------+
95 enum sfc_adapter_state {
96 SFC_ADAPTER_UNINITIALIZED = 0,
97 SFC_ADAPTER_INITIALIZED,
98 SFC_ADAPTER_CONFIGURING,
99 SFC_ADAPTER_CONFIGURED,
101 SFC_ADAPTER_STARTING,
103 SFC_ADAPTER_STOPPING,
108 enum sfc_dev_filter_mode {
109 SFC_DEV_FILTER_MODE_PROMISC = 0,
110 SFC_DEV_FILTER_MODE_ALLMULTI,
112 SFC_DEV_FILTER_NMODES
115 enum sfc_mcdi_state {
116 SFC_MCDI_UNINITIALIZED = 0,
117 SFC_MCDI_INITIALIZED,
127 enum sfc_mcdi_state state;
128 efx_mcdi_transport_t transport;
130 uint32_t proxy_handle;
131 efx_rc_t proxy_result;
135 efx_intr_type_t type;
136 rte_intr_callback_fn handler;
145 unsigned int lsc_seq;
147 uint32_t phy_adv_cap_mask;
148 uint32_t phy_adv_cap;
150 unsigned int flow_ctrl;
151 boolean_t flow_ctrl_autoneg;
155 * Flow API isolated mode overrides promisc and allmulti settings;
156 * they won't be applied if isolated mode is active
162 struct ether_addr default_mac_addr;
164 unsigned int max_mcast_addrs;
165 unsigned int nb_mcast_addrs;
166 uint8_t *mcast_addrs;
168 rte_spinlock_t mac_stats_lock;
169 uint64_t *mac_stats_buf;
170 unsigned int mac_stats_nb_supported;
171 efsys_mem_t mac_stats_dma_mem;
172 boolean_t mac_stats_reset_pending;
173 uint16_t mac_stats_update_period_ms;
174 uint32_t mac_stats_update_generation;
175 boolean_t mac_stats_periodic_dma_supported;
176 uint64_t mac_stats_last_request_timestamp;
178 uint32_t mac_stats_mask[EFX_MAC_STATS_MASK_NPAGES];
181 /* Adapter private data */
184 * PMD setup and configuration is not thread safe. Since it is not
185 * performance sensitive, it is better to guarantee thread-safety
186 * and add device level lock. Adapter control operations which
187 * change its state should acquire the lock.
190 enum sfc_adapter_state state;
191 struct rte_pci_addr pci_addr;
193 struct rte_eth_dev *eth_dev;
194 struct rte_kvargs *kvargs;
200 rte_spinlock_t nic_lock;
201 rte_atomic32_t restart_required;
203 struct sfc_mcdi mcdi;
204 struct sfc_intr intr;
205 struct sfc_port port;
206 struct sfc_filter filter;
208 unsigned int rxq_max;
209 unsigned int txq_max;
211 unsigned int txq_max_entries;
214 unsigned int evq_count;
216 unsigned int mgmt_evq_index;
218 * The lock is used to serialise management event queue polling
219 * which can be done from different context. Also the lock
220 * guarantees that mgmt_evq_running is preserved while the lock
221 * is held. It is used to serialise polling and start/stop
224 * Locks which may be held when the lock is acquired:
225 * - adapter lock, when:
226 * - device start/stop to change mgmt_evq_running
227 * - any control operations in client side MCDI proxy handling to
228 * poll management event queue waiting for proxy response
230 * - any control operations in client side MCDI proxy handling to
231 * poll management event queue waiting for proxy response
233 * Locks which are acquired with the lock held:
235 * - MC event processing on management event queue polling
236 * (e.g. MC REBOOT or BADASSERT events)
238 rte_spinlock_t mgmt_evq_lock;
239 bool mgmt_evq_running;
240 struct sfc_evq *mgmt_evq;
242 unsigned int rxq_count;
243 struct sfc_rxq_info *rxq_info;
245 unsigned int txq_count;
246 struct sfc_txq_info *txq_info;
250 unsigned int rss_channels;
252 #if EFSYS_OPT_RX_SCALE
253 efx_rx_scale_context_type_t rss_support;
254 efx_rx_hash_support_t hash_support;
255 efx_rx_hash_type_t rss_hash_types;
256 unsigned int rss_tbl[EFX_RSS_TBL_SIZE];
257 uint8_t rss_key[EFX_RSS_KEY_SIZE];
261 * Shared memory copy of the Rx datapath name to be used by
262 * the secondary process to find Rx datapath to be used.
265 const struct sfc_dp_rx *dp_rx;
268 * Shared memory copy of the Tx datapath name to be used by
269 * the secondary process to find Rx datapath to be used.
272 const struct sfc_dp_tx *dp_tx;
276 * Add wrapper functions to acquire/release lock to be able to remove or
277 * change the lock in one place.
281 sfc_adapter_lock_init(struct sfc_adapter *sa)
283 rte_spinlock_init(&sa->lock);
287 sfc_adapter_is_locked(struct sfc_adapter *sa)
289 return rte_spinlock_is_locked(&sa->lock);
293 sfc_adapter_lock(struct sfc_adapter *sa)
295 rte_spinlock_lock(&sa->lock);
299 sfc_adapter_trylock(struct sfc_adapter *sa)
301 return rte_spinlock_trylock(&sa->lock);
305 sfc_adapter_unlock(struct sfc_adapter *sa)
307 rte_spinlock_unlock(&sa->lock);
311 sfc_adapter_lock_fini(__rte_unused struct sfc_adapter *sa)
313 /* Just for symmetry of the API */
316 /** Get the number of milliseconds since boot from the default timer */
317 static inline uint64_t
318 sfc_get_system_msecs(void)
320 return rte_get_timer_cycles() * MS_PER_S / rte_get_timer_hz();
323 int sfc_dma_alloc(const struct sfc_adapter *sa, const char *name, uint16_t id,
324 size_t len, int socket_id, efsys_mem_t *esmp);
325 void sfc_dma_free(const struct sfc_adapter *sa, efsys_mem_t *esmp);
327 int sfc_probe(struct sfc_adapter *sa);
328 void sfc_unprobe(struct sfc_adapter *sa);
329 int sfc_attach(struct sfc_adapter *sa);
330 void sfc_detach(struct sfc_adapter *sa);
331 int sfc_start(struct sfc_adapter *sa);
332 void sfc_stop(struct sfc_adapter *sa);
334 void sfc_schedule_restart(struct sfc_adapter *sa);
336 int sfc_mcdi_init(struct sfc_adapter *sa);
337 void sfc_mcdi_fini(struct sfc_adapter *sa);
339 int sfc_configure(struct sfc_adapter *sa);
340 void sfc_close(struct sfc_adapter *sa);
342 int sfc_intr_attach(struct sfc_adapter *sa);
343 void sfc_intr_detach(struct sfc_adapter *sa);
344 int sfc_intr_configure(struct sfc_adapter *sa);
345 void sfc_intr_close(struct sfc_adapter *sa);
346 int sfc_intr_start(struct sfc_adapter *sa);
347 void sfc_intr_stop(struct sfc_adapter *sa);
349 int sfc_port_attach(struct sfc_adapter *sa);
350 void sfc_port_detach(struct sfc_adapter *sa);
351 int sfc_port_configure(struct sfc_adapter *sa);
352 void sfc_port_close(struct sfc_adapter *sa);
353 int sfc_port_start(struct sfc_adapter *sa);
354 void sfc_port_stop(struct sfc_adapter *sa);
355 void sfc_port_link_mode_to_info(efx_link_mode_t link_mode,
356 struct rte_eth_link *link_info);
357 int sfc_port_update_mac_stats(struct sfc_adapter *sa);
358 int sfc_port_reset_mac_stats(struct sfc_adapter *sa);
359 int sfc_set_rx_mode(struct sfc_adapter *sa);