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"
33 #include "sfc_sw_stats.h"
34 #include "sfc_repr_proxy.h"
35 #include "sfc_service.h"
36 #include "sfc_ethdev_state.h"
42 enum sfc_dev_filter_mode {
43 SFC_DEV_FILTER_MODE_PROMISC = 0,
44 SFC_DEV_FILTER_MODE_ALLMULTI,
51 rte_intr_callback_fn handler;
66 uint32_t phy_adv_cap_mask;
69 unsigned int flow_ctrl;
70 boolean_t flow_ctrl_autoneg;
74 * Flow API isolated mode overrides promisc and allmulti settings;
75 * they won't be applied if isolated mode is active
80 struct rte_ether_addr default_mac_addr;
82 unsigned int max_mcast_addrs;
83 unsigned int nb_mcast_addrs;
86 uint64_t *mac_stats_buf;
87 unsigned int mac_stats_nb_supported;
88 efsys_mem_t mac_stats_dma_mem;
89 boolean_t mac_stats_reset_pending;
90 uint16_t mac_stats_update_period_ms;
91 uint32_t mac_stats_update_generation;
92 boolean_t mac_stats_periodic_dma_supported;
93 uint64_t mac_stats_last_request_timestamp;
95 uint32_t mac_stats_mask[EFX_MAC_STATS_MASK_NPAGES];
97 unsigned int mac_stats_by_id[EFX_MAC_NSTATS];
102 struct sfc_rss_hf_rte_to_efx {
104 efx_rx_hash_type_t efx;
108 unsigned int channels;
109 efx_rx_scale_context_type_t context_type;
110 efx_rx_hash_support_t hash_support;
111 efx_rx_hash_alg_t hash_alg;
112 unsigned int hf_map_nb_entries;
113 struct sfc_rss_hf_rte_to_efx *hf_map;
115 efx_rx_hash_type_t hash_types;
116 unsigned int tbl[EFX_RSS_TBL_SIZE];
117 uint8_t key[EFX_RSS_KEY_SIZE];
119 uint32_t dummy_rss_context;
122 /* Adapter private data shared by primary and secondary processes */
123 struct sfc_adapter_shared {
124 unsigned int rxq_count;
125 struct sfc_rxq_info *rxq_info;
126 unsigned int ethdev_rxq_count;
128 unsigned int txq_count;
129 struct sfc_txq_info *txq_info;
130 unsigned int ethdev_txq_count;
135 uint32_t tunnel_encaps;
137 char log_prefix[SFC_LOG_PREFIX_MAX];
138 struct rte_pci_addr pci_addr;
144 bool counters_rxq_allocated;
145 unsigned int nb_repr_rxq;
146 unsigned int nb_repr_txq;
149 /* Adapter process private data */
150 struct sfc_adapter_priv {
151 struct sfc_adapter_shared *shared;
152 const struct sfc_dp_rx *dp_rx;
153 const struct sfc_dp_tx *dp_tx;
154 uint32_t logtype_main;
157 static inline struct sfc_adapter_priv *
158 sfc_adapter_priv_by_eth_dev(struct rte_eth_dev *eth_dev)
160 struct sfc_adapter_priv *sap = eth_dev->process_private;
162 SFC_ASSERT(sap != NULL);
166 /* RxQ dedicated for counters (counter only RxQ) data */
167 struct sfc_counter_rxq {
169 #define SFC_COUNTER_RXQ_ATTACHED 0x1
170 #define SFC_COUNTER_RXQ_INITIALIZED 0x2
171 sfc_sw_index_t sw_index;
172 struct rte_mempool *mp;
175 struct sfc_sw_stat_data {
176 const struct sfc_sw_stat_descr *descr;
181 struct sfc_sw_stats {
182 /* Number extended statistics provided by SW stats */
183 unsigned int xstats_count;
184 /* Supported SW statistics */
185 struct sfc_sw_stat_data *supp;
186 unsigned int supp_count;
188 /* Cache for all supported SW statistics */
190 unsigned int cache_count;
192 uint64_t *reset_vals;
193 /* Location of per-queue reset values for packets/bytes in reset_vals */
194 uint64_t *reset_rx_pkts;
195 uint64_t *reset_rx_bytes;
196 uint64_t *reset_tx_pkts;
197 uint64_t *reset_tx_bytes;
199 rte_spinlock_t queues_bitmap_lock;
200 void *queues_bitmap_mem;
201 struct rte_bitmap *queues_bitmap;
204 /* Adapter private data */
207 * It must be the first field of the sfc_adapter structure since
208 * sfc_adapter is the primary process private data (i.e. process
209 * private data plus additional primary process specific data).
211 struct sfc_adapter_priv priv;
214 * PMD setup and configuration is not thread safe. Since it is not
215 * performance sensitive, it is better to guarantee thread-safety
216 * and add device level lock. Adapter control operations which
217 * change its state should acquire the lock.
220 enum sfc_ethdev_state state;
221 struct rte_eth_dev *eth_dev;
222 struct rte_kvargs *kvargs;
225 /* Function control window offset */
226 efsys_dma_addr_t fcw_offset;
229 rte_spinlock_t nic_lock;
230 rte_atomic32_t restart_required;
232 struct sfc_efx_mcdi mcdi;
233 struct sfc_sriov sriov;
234 struct sfc_intr intr;
235 struct sfc_port port;
236 struct sfc_sw_stats sw_stats;
237 struct sfc_filter filter;
239 struct sfc_repr_proxy repr_proxy;
241 struct sfc_flow_list flow_list;
243 unsigned int rxq_max;
244 unsigned int txq_max;
246 unsigned int rxq_max_entries;
247 unsigned int rxq_min_entries;
249 unsigned int txq_max_entries;
250 unsigned int txq_min_entries;
252 unsigned int evq_max_entries;
253 unsigned int evq_min_entries;
256 unsigned int evq_count;
258 unsigned int mgmt_evq_index;
260 * The lock is used to serialise management event queue polling
261 * which can be done from different context. Also the lock
262 * guarantees that mgmt_evq_running is preserved while the lock
263 * is held. It is used to serialise polling and start/stop
266 * Locks which may be held when the lock is acquired:
267 * - adapter lock, when:
268 * - device start/stop to change mgmt_evq_running
269 * - any control operations in client side MCDI proxy handling to
270 * poll management event queue waiting for proxy response
272 * - any control operations in client side MCDI proxy handling to
273 * poll management event queue waiting for proxy response
275 * Locks which are acquired with the lock held:
277 * - MC event processing on management event queue polling
278 * (e.g. MC REBOOT or BADASSERT events)
280 rte_spinlock_t mgmt_evq_lock;
281 bool mgmt_evq_running;
282 struct sfc_evq *mgmt_evq;
284 struct sfc_counter_rxq counter_rxq;
286 struct sfc_rxq *rxq_ctrl;
287 struct sfc_txq *txq_ctrl;
292 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 static inline unsigned int
363 sfc_nb_counter_rxq(const struct sfc_adapter_shared *sas)
365 return sas->counters_rxq_allocated ? 1 : 0;
368 bool sfc_repr_supported(const struct sfc_adapter *sa);
369 bool sfc_repr_available(const struct sfc_adapter_shared *sas);
371 static inline unsigned int
372 sfc_repr_nb_rxq(const struct sfc_adapter_shared *sas)
374 return sas->nb_repr_rxq;
377 static inline unsigned int
378 sfc_repr_nb_txq(const struct sfc_adapter_shared *sas)
380 return sas->nb_repr_txq;
383 /** Get the number of milliseconds since boot from the default timer */
384 static inline uint64_t
385 sfc_get_system_msecs(void)
387 return rte_get_timer_cycles() * MS_PER_S / rte_get_timer_hz();
390 int sfc_dma_alloc(const struct sfc_adapter *sa, const char *name, uint16_t id,
391 size_t len, int socket_id, efsys_mem_t *esmp);
392 void sfc_dma_free(const struct sfc_adapter *sa, efsys_mem_t *esmp);
394 uint32_t sfc_register_logtype(const struct rte_pci_addr *pci_addr,
395 const char *lt_prefix_str,
396 uint32_t ll_default);
398 int sfc_probe(struct sfc_adapter *sa);
399 void sfc_unprobe(struct sfc_adapter *sa);
400 int sfc_attach(struct sfc_adapter *sa);
401 void sfc_detach(struct sfc_adapter *sa);
402 int sfc_start(struct sfc_adapter *sa);
403 void sfc_stop(struct sfc_adapter *sa);
405 void sfc_schedule_restart(struct sfc_adapter *sa);
407 int sfc_mcdi_init(struct sfc_adapter *sa);
408 void sfc_mcdi_fini(struct sfc_adapter *sa);
410 int sfc_configure(struct sfc_adapter *sa);
411 void sfc_close(struct sfc_adapter *sa);
413 int sfc_intr_attach(struct sfc_adapter *sa);
414 void sfc_intr_detach(struct sfc_adapter *sa);
415 int sfc_intr_configure(struct sfc_adapter *sa);
416 void sfc_intr_close(struct sfc_adapter *sa);
417 int sfc_intr_start(struct sfc_adapter *sa);
418 void sfc_intr_stop(struct sfc_adapter *sa);
420 int sfc_port_attach(struct sfc_adapter *sa);
421 void sfc_port_detach(struct sfc_adapter *sa);
422 int sfc_port_configure(struct sfc_adapter *sa);
423 void sfc_port_close(struct sfc_adapter *sa);
424 int sfc_port_start(struct sfc_adapter *sa);
425 void sfc_port_stop(struct sfc_adapter *sa);
426 void sfc_port_link_mode_to_info(efx_link_mode_t link_mode,
427 struct rte_eth_link *link_info);
428 int sfc_port_update_mac_stats(struct sfc_adapter *sa, boolean_t manual_update);
429 int sfc_port_get_mac_stats(struct sfc_adapter *sa, struct rte_eth_xstat *xstats,
430 unsigned int xstats_count, unsigned int *nb_written);
431 int sfc_port_get_mac_stats_by_id(struct sfc_adapter *sa, const uint64_t *ids,
432 uint64_t *values, unsigned int n);
433 int sfc_port_reset_mac_stats(struct sfc_adapter *sa);
434 int sfc_set_rx_mode(struct sfc_adapter *sa);
435 int sfc_set_rx_mode_unchecked(struct sfc_adapter *sa);
437 struct sfc_hw_switch_id;
439 int sfc_hw_switch_id_init(struct sfc_adapter *sa,
440 struct sfc_hw_switch_id **idp);
441 void sfc_hw_switch_id_fini(struct sfc_adapter *sa,
442 struct sfc_hw_switch_id *idp);
443 bool sfc_hw_switch_ids_equal(const struct sfc_hw_switch_id *left,
444 const struct sfc_hw_switch_id *right);