1 /* SPDX-License-Identifier: BSD-3-Clause
3 * Copyright(c) 2019-2021 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 <ethdev_driver.h>
18 #include <rte_kvargs.h>
19 #include <rte_spinlock.h>
20 #include <rte_atomic.h>
24 #include "sfc_efx_mcdi.h"
27 #include "sfc_debug.h"
29 #include "sfc_filter.h"
30 #include "sfc_sriov.h"
40 * | UNINITIALIZED |<-----------+
42 * |.eth_dev_init |.eth_dev_uninit
44 * +---------------+------------+
46 * +---------------+<-----------<---------------+
49 * +---------------+------------+ |
51 * +---------------+----+ |
53 * | | +---------------+
55 * | | +---------------+
58 * +---------------+----+ |.dev_close
59 * | CONFIGURED |----------------------------+
60 * +---------------+<-----------+
64 * | STARTING |------------^
65 * +---------------+ failed |
72 * +---------------+------------+
76 enum sfc_adapter_state {
77 SFC_ADAPTER_UNINITIALIZED = 0,
78 SFC_ADAPTER_INITIALIZED,
79 SFC_ADAPTER_CONFIGURING,
80 SFC_ADAPTER_CONFIGURED,
89 enum sfc_dev_filter_mode {
90 SFC_DEV_FILTER_MODE_PROMISC = 0,
91 SFC_DEV_FILTER_MODE_ALLMULTI,
98 rte_intr_callback_fn handler;
111 unsigned int lsc_seq;
113 uint32_t phy_adv_cap_mask;
114 uint32_t phy_adv_cap;
116 unsigned int flow_ctrl;
117 boolean_t flow_ctrl_autoneg;
121 * Flow API isolated mode overrides promisc and allmulti settings;
122 * they won't be applied if isolated mode is active
127 struct rte_ether_addr default_mac_addr;
129 unsigned int max_mcast_addrs;
130 unsigned int nb_mcast_addrs;
131 uint8_t *mcast_addrs;
133 uint64_t *mac_stats_buf;
134 unsigned int mac_stats_nb_supported;
135 efsys_mem_t mac_stats_dma_mem;
136 boolean_t mac_stats_reset_pending;
137 uint16_t mac_stats_update_period_ms;
138 uint32_t mac_stats_update_generation;
139 boolean_t mac_stats_periodic_dma_supported;
140 uint64_t mac_stats_last_request_timestamp;
142 uint32_t mac_stats_mask[EFX_MAC_STATS_MASK_NPAGES];
147 struct sfc_rss_hf_rte_to_efx {
149 efx_rx_hash_type_t efx;
153 unsigned int channels;
154 efx_rx_scale_context_type_t context_type;
155 efx_rx_hash_support_t hash_support;
156 efx_rx_hash_alg_t hash_alg;
157 unsigned int hf_map_nb_entries;
158 struct sfc_rss_hf_rte_to_efx *hf_map;
160 efx_rx_hash_type_t hash_types;
161 unsigned int tbl[EFX_RSS_TBL_SIZE];
162 uint8_t key[EFX_RSS_KEY_SIZE];
164 uint32_t dummy_rss_context;
167 /* Adapter private data shared by primary and secondary processes */
168 struct sfc_adapter_shared {
169 unsigned int rxq_count;
170 struct sfc_rxq_info *rxq_info;
171 unsigned int ethdev_rxq_count;
173 unsigned int txq_count;
174 struct sfc_txq_info *txq_info;
175 unsigned int ethdev_txq_count;
180 uint32_t tunnel_encaps;
182 char log_prefix[SFC_LOG_PREFIX_MAX];
183 struct rte_pci_addr pci_addr;
189 bool counters_rxq_allocated;
192 /* Adapter process private data */
193 struct sfc_adapter_priv {
194 struct sfc_adapter_shared *shared;
195 const struct sfc_dp_rx *dp_rx;
196 const struct sfc_dp_tx *dp_tx;
197 uint32_t logtype_main;
200 static inline struct sfc_adapter_priv *
201 sfc_adapter_priv_by_eth_dev(struct rte_eth_dev *eth_dev)
203 struct sfc_adapter_priv *sap = eth_dev->process_private;
205 SFC_ASSERT(sap != NULL);
209 /* RxQ dedicated for counters (counter only RxQ) data */
210 struct sfc_counter_rxq {
212 #define SFC_COUNTER_RXQ_ATTACHED 0x1
213 #define SFC_COUNTER_RXQ_INITIALIZED 0x2
214 sfc_sw_index_t sw_index;
215 struct rte_mempool *mp;
218 /* Adapter private data */
221 * It must be the first field of the sfc_adapter structure since
222 * sfc_adapter is the primary process private data (i.e. process
223 * private data plus additional primary process specific data).
225 struct sfc_adapter_priv priv;
228 * PMD setup and configuration is not thread safe. Since it is not
229 * performance sensitive, it is better to guarantee thread-safety
230 * and add device level lock. Adapter control operations which
231 * change its state should acquire the lock.
234 enum sfc_adapter_state state;
235 struct rte_eth_dev *eth_dev;
236 struct rte_kvargs *kvargs;
239 /* Function control window offset */
240 efsys_dma_addr_t fcw_offset;
243 rte_spinlock_t nic_lock;
244 rte_atomic32_t restart_required;
246 struct sfc_efx_mcdi mcdi;
247 struct sfc_sriov sriov;
248 struct sfc_intr intr;
249 struct sfc_port port;
250 struct sfc_filter filter;
253 struct sfc_flow_list flow_list;
255 unsigned int rxq_max;
256 unsigned int txq_max;
258 unsigned int rxq_max_entries;
259 unsigned int rxq_min_entries;
261 unsigned int txq_max_entries;
262 unsigned int txq_min_entries;
264 unsigned int evq_max_entries;
265 unsigned int evq_min_entries;
268 unsigned int evq_count;
270 unsigned int mgmt_evq_index;
272 * The lock is used to serialise management event queue polling
273 * which can be done from different context. Also the lock
274 * guarantees that mgmt_evq_running is preserved while the lock
275 * is held. It is used to serialise polling and start/stop
278 * Locks which may be held when the lock is acquired:
279 * - adapter lock, when:
280 * - device start/stop to change mgmt_evq_running
281 * - any control operations in client side MCDI proxy handling to
282 * poll management event queue waiting for proxy response
284 * - any control operations in client side MCDI proxy handling to
285 * poll management event queue waiting for proxy response
287 * Locks which are acquired with the lock held:
289 * - MC event processing on management event queue polling
290 * (e.g. MC REBOOT or BADASSERT events)
292 rte_spinlock_t mgmt_evq_lock;
293 bool mgmt_evq_running;
294 struct sfc_evq *mgmt_evq;
296 struct sfc_counter_rxq counter_rxq;
298 struct sfc_rxq *rxq_ctrl;
299 struct sfc_txq *txq_ctrl;
304 uint32_t rxd_wait_timeout_ns;
307 static inline struct sfc_adapter_shared *
308 sfc_adapter_shared_by_eth_dev(struct rte_eth_dev *eth_dev)
310 struct sfc_adapter_shared *sas = eth_dev->data->dev_private;
315 static inline struct sfc_adapter *
316 sfc_adapter_by_eth_dev(struct rte_eth_dev *eth_dev)
318 struct sfc_adapter_priv *sap = sfc_adapter_priv_by_eth_dev(eth_dev);
320 SFC_ASSERT(rte_eal_process_type() == RTE_PROC_PRIMARY);
322 return container_of(sap, struct sfc_adapter, priv);
325 static inline struct sfc_adapter_shared *
326 sfc_sa2shared(struct sfc_adapter *sa)
328 return sa->priv.shared;
332 * Add wrapper functions to acquire/release lock to be able to remove or
333 * change the lock in one place.
337 sfc_adapter_lock_init(struct sfc_adapter *sa)
339 rte_spinlock_init(&sa->lock);
343 sfc_adapter_is_locked(struct sfc_adapter *sa)
345 return rte_spinlock_is_locked(&sa->lock);
349 sfc_adapter_lock(struct sfc_adapter *sa)
351 rte_spinlock_lock(&sa->lock);
355 sfc_adapter_trylock(struct sfc_adapter *sa)
357 return rte_spinlock_trylock(&sa->lock);
361 sfc_adapter_unlock(struct sfc_adapter *sa)
363 rte_spinlock_unlock(&sa->lock);
367 sfc_adapter_lock_fini(__rte_unused struct sfc_adapter *sa)
369 /* Just for symmetry of the API */
372 static inline unsigned int
373 sfc_nb_counter_rxq(const struct sfc_adapter_shared *sas)
375 return sas->counters_rxq_allocated ? 1 : 0;
378 /** Get the number of milliseconds since boot from the default timer */
379 static inline uint64_t
380 sfc_get_system_msecs(void)
382 return rte_get_timer_cycles() * MS_PER_S / rte_get_timer_hz();
385 int sfc_dma_alloc(const struct sfc_adapter *sa, const char *name, uint16_t id,
386 size_t len, int socket_id, efsys_mem_t *esmp);
387 void sfc_dma_free(const struct sfc_adapter *sa, efsys_mem_t *esmp);
389 uint32_t sfc_register_logtype(const struct rte_pci_addr *pci_addr,
390 const char *lt_prefix_str,
391 uint32_t ll_default);
393 int sfc_probe(struct sfc_adapter *sa);
394 void sfc_unprobe(struct sfc_adapter *sa);
395 int sfc_attach(struct sfc_adapter *sa);
396 void sfc_detach(struct sfc_adapter *sa);
397 int sfc_start(struct sfc_adapter *sa);
398 void sfc_stop(struct sfc_adapter *sa);
400 void sfc_schedule_restart(struct sfc_adapter *sa);
402 int sfc_mcdi_init(struct sfc_adapter *sa);
403 void sfc_mcdi_fini(struct sfc_adapter *sa);
405 int sfc_configure(struct sfc_adapter *sa);
406 void sfc_close(struct sfc_adapter *sa);
408 int sfc_intr_attach(struct sfc_adapter *sa);
409 void sfc_intr_detach(struct sfc_adapter *sa);
410 int sfc_intr_configure(struct sfc_adapter *sa);
411 void sfc_intr_close(struct sfc_adapter *sa);
412 int sfc_intr_start(struct sfc_adapter *sa);
413 void sfc_intr_stop(struct sfc_adapter *sa);
415 int sfc_port_attach(struct sfc_adapter *sa);
416 void sfc_port_detach(struct sfc_adapter *sa);
417 int sfc_port_configure(struct sfc_adapter *sa);
418 void sfc_port_close(struct sfc_adapter *sa);
419 int sfc_port_start(struct sfc_adapter *sa);
420 void sfc_port_stop(struct sfc_adapter *sa);
421 void sfc_port_link_mode_to_info(efx_link_mode_t link_mode,
422 struct rte_eth_link *link_info);
423 int sfc_port_update_mac_stats(struct sfc_adapter *sa);
424 int sfc_port_reset_mac_stats(struct sfc_adapter *sa);
425 int sfc_set_rx_mode(struct sfc_adapter *sa);
426 int sfc_set_rx_mode_unchecked(struct sfc_adapter *sa);
428 struct sfc_hw_switch_id;
430 int sfc_hw_switch_id_init(struct sfc_adapter *sa,
431 struct sfc_hw_switch_id **idp);
432 void sfc_hw_switch_id_fini(struct sfc_adapter *sa,
433 struct sfc_hw_switch_id *idp);
434 bool sfc_hw_switch_ids_equal(const struct sfc_hw_switch_id *left,
435 const struct sfc_hw_switch_id *right);