1 /* SPDX-License-Identifier: BSD-3-Clause
3 * Copyright(c) 2019-2020 Xilinx, Inc.
4 * Copyright(c) 2016-2019 Solarflare Communications Inc.
6 * This software was jointly developed between OKTET Labs (under contract
7 * for Solarflare) and Solarflare Communications, Inc.
16 #include <rte_bus_pci.h>
17 #include <rte_ethdev_driver.h>
18 #include <rte_kvargs.h>
19 #include <rte_spinlock.h>
20 #include <rte_atomic.h>
24 #include "sfc_filter.h"
32 * | UNINITIALIZED |<-----------+
34 * |.eth_dev_init |.eth_dev_uninit
36 * +---------------+------------+
38 * +---------------+<-----------<---------------+
41 * +---------------+------------+ |
43 * +---------------+----+ |
45 * | | +---------------+
47 * | | +---------------+
50 * +---------------+----+ |.dev_close
51 * | CONFIGURED |----------------------------+
52 * +---------------+<-----------+
56 * | STARTING |------------^
57 * +---------------+ failed |
64 * +---------------+------------+
68 enum sfc_adapter_state
{
69 SFC_ADAPTER_UNINITIALIZED
= 0,
70 SFC_ADAPTER_INITIALIZED
,
71 SFC_ADAPTER_CONFIGURING
,
72 SFC_ADAPTER_CONFIGURED
,
81 enum sfc_dev_filter_mode
{
82 SFC_DEV_FILTER_MODE_PROMISC
= 0,
83 SFC_DEV_FILTER_MODE_ALLMULTI
,
89 SFC_MCDI_UNINITIALIZED
= 0,
100 enum sfc_mcdi_state state
;
101 efx_mcdi_transport_t transport
;
103 uint32_t proxy_handle
;
104 efx_rc_t proxy_result
;
108 efx_intr_type_t type
;
109 rte_intr_callback_fn handler
;
122 unsigned int lsc_seq
;
124 uint32_t phy_adv_cap_mask
;
125 uint32_t phy_adv_cap
;
127 unsigned int flow_ctrl
;
128 boolean_t flow_ctrl_autoneg
;
132 * Flow API isolated mode overrides promisc and allmulti settings;
133 * they won't be applied if isolated mode is active
138 struct rte_ether_addr default_mac_addr
;
140 unsigned int max_mcast_addrs
;
141 unsigned int nb_mcast_addrs
;
142 uint8_t *mcast_addrs
;
144 rte_spinlock_t mac_stats_lock
;
145 uint64_t *mac_stats_buf
;
146 unsigned int mac_stats_nb_supported
;
147 efsys_mem_t mac_stats_dma_mem
;
148 boolean_t mac_stats_reset_pending
;
149 uint16_t mac_stats_update_period_ms
;
150 uint32_t mac_stats_update_generation
;
151 boolean_t mac_stats_periodic_dma_supported
;
152 uint64_t mac_stats_last_request_timestamp
;
154 uint32_t mac_stats_mask
[EFX_MAC_STATS_MASK_NPAGES
];
159 struct sfc_rss_hf_rte_to_efx
{
161 efx_rx_hash_type_t efx
;
165 unsigned int channels
;
166 efx_rx_scale_context_type_t context_type
;
167 efx_rx_hash_support_t hash_support
;
168 efx_rx_hash_alg_t hash_alg
;
169 unsigned int hf_map_nb_entries
;
170 struct sfc_rss_hf_rte_to_efx
*hf_map
;
172 efx_rx_hash_type_t hash_types
;
173 unsigned int tbl
[EFX_RSS_TBL_SIZE
];
174 uint8_t key
[EFX_RSS_KEY_SIZE
];
177 /* Adapter private data shared by primary and secondary processes */
178 struct sfc_adapter_shared
{
179 unsigned int rxq_count
;
180 struct sfc_rxq_info
*rxq_info
;
182 unsigned int txq_count
;
183 struct sfc_txq_info
*txq_info
;
188 uint32_t tunnel_encaps
;
190 struct rte_pci_addr pci_addr
;
197 /* Adapter process private data */
198 struct sfc_adapter_priv
{
199 struct sfc_adapter_shared
*shared
;
200 const struct sfc_dp_rx
*dp_rx
;
201 const struct sfc_dp_tx
*dp_tx
;
202 uint32_t logtype_main
;
205 static inline struct sfc_adapter_priv
*
206 sfc_adapter_priv_by_eth_dev(struct rte_eth_dev
*eth_dev
)
208 struct sfc_adapter_priv
*sap
= eth_dev
->process_private
;
210 SFC_ASSERT(sap
!= NULL
);
214 /* Adapter private data */
217 * It must be the first field of the sfc_adapter structure since
218 * sfc_adapter is the primary process private data (i.e. process
219 * private data plus additional primary process specific data).
221 struct sfc_adapter_priv priv
;
224 * PMD setup and configuration is not thread safe. Since it is not
225 * performance sensitive, it is better to guarantee thread-safety
226 * and add device level lock. Adapter control operations which
227 * change its state should acquire the lock.
230 enum sfc_adapter_state state
;
231 struct rte_eth_dev
*eth_dev
;
232 struct rte_kvargs
*kvargs
;
237 rte_spinlock_t nic_lock
;
238 rte_atomic32_t restart_required
;
240 struct sfc_mcdi mcdi
;
241 struct sfc_intr intr
;
242 struct sfc_port port
;
243 struct sfc_filter filter
;
245 struct sfc_flow_list flow_list
;
247 unsigned int rxq_max
;
248 unsigned int txq_max
;
250 unsigned int rxq_max_entries
;
251 unsigned int rxq_min_entries
;
253 unsigned int txq_max_entries
;
254 unsigned int txq_min_entries
;
256 unsigned int evq_max_entries
;
257 unsigned int evq_min_entries
;
260 unsigned int evq_count
;
262 unsigned int mgmt_evq_index
;
264 * The lock is used to serialise management event queue polling
265 * which can be done from different context. Also the lock
266 * guarantees that mgmt_evq_running is preserved while the lock
267 * is held. It is used to serialise polling and start/stop
270 * Locks which may be held when the lock is acquired:
271 * - adapter lock, when:
272 * - device start/stop to change mgmt_evq_running
273 * - any control operations in client side MCDI proxy handling to
274 * poll management event queue waiting for proxy response
276 * - any control operations in client side MCDI proxy handling to
277 * poll management event queue waiting for proxy response
279 * Locks which are acquired with the lock held:
281 * - MC event processing on management event queue polling
282 * (e.g. MC REBOOT or BADASSERT events)
284 rte_spinlock_t mgmt_evq_lock
;
285 bool mgmt_evq_running
;
286 struct sfc_evq
*mgmt_evq
;
288 struct sfc_rxq
*rxq_ctrl
;
289 struct sfc_txq
*txq_ctrl
;
294 uint32_t rxd_wait_timeout_ns
;
297 static inline struct sfc_adapter_shared
*
298 sfc_adapter_shared_by_eth_dev(struct rte_eth_dev
*eth_dev
)
300 struct sfc_adapter_shared
*sas
= eth_dev
->data
->dev_private
;
305 static inline struct sfc_adapter
*
306 sfc_adapter_by_eth_dev(struct rte_eth_dev
*eth_dev
)
308 struct sfc_adapter_priv
*sap
= sfc_adapter_priv_by_eth_dev(eth_dev
);
310 SFC_ASSERT(rte_eal_process_type() == RTE_PROC_PRIMARY
);
312 return container_of(sap
, struct sfc_adapter
, priv
);
315 static inline struct sfc_adapter_shared
*
316 sfc_sa2shared(struct sfc_adapter
*sa
)
318 return sa
->priv
.shared
;
322 * Add wrapper functions to acquire/release lock to be able to remove or
323 * change the lock in one place.
327 sfc_adapter_lock_init(struct sfc_adapter
*sa
)
329 rte_spinlock_init(&sa
->lock
);
333 sfc_adapter_is_locked(struct sfc_adapter
*sa
)
335 return rte_spinlock_is_locked(&sa
->lock
);
339 sfc_adapter_lock(struct sfc_adapter
*sa
)
341 rte_spinlock_lock(&sa
->lock
);
345 sfc_adapter_trylock(struct sfc_adapter
*sa
)
347 return rte_spinlock_trylock(&sa
->lock
);
351 sfc_adapter_unlock(struct sfc_adapter
*sa
)
353 rte_spinlock_unlock(&sa
->lock
);
357 sfc_adapter_lock_fini(__rte_unused
struct sfc_adapter
*sa
)
359 /* Just for symmetry of the API */
362 /** Get the number of milliseconds since boot from the default timer */
363 static inline uint64_t
364 sfc_get_system_msecs(void)
366 return rte_get_timer_cycles() * MS_PER_S
/ rte_get_timer_hz();
369 int sfc_dma_alloc(const struct sfc_adapter
*sa
, const char *name
, uint16_t id
,
370 size_t len
, int socket_id
, efsys_mem_t
*esmp
);
371 void sfc_dma_free(const struct sfc_adapter
*sa
, efsys_mem_t
*esmp
);
373 uint32_t sfc_register_logtype(const struct rte_pci_addr
*pci_addr
,
374 const char *lt_prefix_str
,
375 uint32_t ll_default
);
377 int sfc_probe(struct sfc_adapter
*sa
);
378 void sfc_unprobe(struct sfc_adapter
*sa
);
379 int sfc_attach(struct sfc_adapter
*sa
);
380 void sfc_detach(struct sfc_adapter
*sa
);
381 int sfc_start(struct sfc_adapter
*sa
);
382 void sfc_stop(struct sfc_adapter
*sa
);
384 void sfc_schedule_restart(struct sfc_adapter
*sa
);
386 int sfc_mcdi_init(struct sfc_adapter
*sa
);
387 void sfc_mcdi_fini(struct sfc_adapter
*sa
);
389 int sfc_configure(struct sfc_adapter
*sa
);
390 void sfc_close(struct sfc_adapter
*sa
);
392 int sfc_intr_attach(struct sfc_adapter
*sa
);
393 void sfc_intr_detach(struct sfc_adapter
*sa
);
394 int sfc_intr_configure(struct sfc_adapter
*sa
);
395 void sfc_intr_close(struct sfc_adapter
*sa
);
396 int sfc_intr_start(struct sfc_adapter
*sa
);
397 void sfc_intr_stop(struct sfc_adapter
*sa
);
399 int sfc_port_attach(struct sfc_adapter
*sa
);
400 void sfc_port_detach(struct sfc_adapter
*sa
);
401 int sfc_port_configure(struct sfc_adapter
*sa
);
402 void sfc_port_close(struct sfc_adapter
*sa
);
403 int sfc_port_start(struct sfc_adapter
*sa
);
404 void sfc_port_stop(struct sfc_adapter
*sa
);
405 void sfc_port_link_mode_to_info(efx_link_mode_t link_mode
,
406 struct rte_eth_link
*link_info
);
407 int sfc_port_update_mac_stats(struct sfc_adapter
*sa
);
408 int sfc_port_reset_mac_stats(struct sfc_adapter
*sa
);
409 int sfc_set_rx_mode(struct sfc_adapter
*sa
);
410 int sfc_set_rx_mode_unchecked(struct sfc_adapter
*sa
);