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_flow_tunnel.h"
31 #include "sfc_sriov.h"
34 #include "sfc_sw_stats.h"
35 #include "sfc_repr_proxy.h"
36 #include "sfc_service.h"
37 #include "sfc_ethdev_state.h"
43 enum sfc_dev_filter_mode {
44 SFC_DEV_FILTER_MODE_PROMISC = 0,
45 SFC_DEV_FILTER_MODE_ALLMULTI,
52 rte_intr_callback_fn handler;
67 uint32_t phy_adv_cap_mask;
70 unsigned int flow_ctrl;
71 boolean_t flow_ctrl_autoneg;
75 * Flow API isolated mode overrides promisc and allmulti settings;
76 * they won't be applied if isolated mode is active
81 struct rte_ether_addr default_mac_addr;
83 unsigned int max_mcast_addrs;
84 unsigned int nb_mcast_addrs;
87 uint64_t *mac_stats_buf;
88 unsigned int mac_stats_nb_supported;
89 efsys_mem_t mac_stats_dma_mem;
90 boolean_t mac_stats_reset_pending;
91 uint16_t mac_stats_update_period_ms;
92 uint32_t mac_stats_update_generation;
93 boolean_t mac_stats_periodic_dma_supported;
94 uint64_t mac_stats_last_request_timestamp;
96 uint32_t mac_stats_mask[EFX_MAC_STATS_MASK_NPAGES];
98 unsigned int mac_stats_by_id[EFX_MAC_NSTATS];
103 struct sfc_rss_hf_rte_to_efx {
105 efx_rx_hash_type_t efx;
109 unsigned int channels;
110 efx_rx_scale_context_type_t context_type;
111 efx_rx_hash_support_t hash_support;
112 efx_rx_hash_alg_t hash_alg;
113 unsigned int hf_map_nb_entries;
114 struct sfc_rss_hf_rte_to_efx *hf_map;
116 efx_rx_hash_type_t hash_types;
117 unsigned int tbl[EFX_RSS_TBL_SIZE];
118 uint8_t key[EFX_RSS_KEY_SIZE];
120 uint32_t dummy_rss_context;
123 /* Adapter private data shared by primary and secondary processes */
124 struct sfc_adapter_shared {
125 unsigned int rxq_count;
126 struct sfc_rxq_info *rxq_info;
127 unsigned int ethdev_rxq_count;
129 unsigned int txq_count;
130 struct sfc_txq_info *txq_info;
131 unsigned int ethdev_txq_count;
136 uint32_t tunnel_encaps;
138 char log_prefix[SFC_LOG_PREFIX_MAX];
139 struct rte_pci_addr pci_addr;
145 bool counters_rxq_allocated;
146 unsigned int nb_repr_rxq;
147 unsigned int nb_repr_txq;
150 /* Adapter process private data */
151 struct sfc_adapter_priv {
152 struct sfc_adapter_shared *shared;
153 const struct sfc_dp_rx *dp_rx;
154 const struct sfc_dp_tx *dp_tx;
155 uint32_t logtype_main;
158 static inline struct sfc_adapter_priv *
159 sfc_adapter_priv_by_eth_dev(struct rte_eth_dev *eth_dev)
161 struct sfc_adapter_priv *sap = eth_dev->process_private;
163 SFC_ASSERT(sap != NULL);
167 /* RxQ dedicated for counters (counter only RxQ) data */
168 struct sfc_counter_rxq {
170 #define SFC_COUNTER_RXQ_ATTACHED 0x1
171 #define SFC_COUNTER_RXQ_INITIALIZED 0x2
172 sfc_sw_index_t sw_index;
173 struct rte_mempool *mp;
176 struct sfc_sw_stat_data {
177 const struct sfc_sw_stat_descr *descr;
182 struct sfc_sw_stats {
183 /* Number extended statistics provided by SW stats */
184 unsigned int xstats_count;
185 /* Supported SW statistics */
186 struct sfc_sw_stat_data *supp;
187 unsigned int supp_count;
189 /* Cache for all supported SW statistics */
191 unsigned int cache_count;
193 uint64_t *reset_vals;
194 /* Location of per-queue reset values for packets/bytes in reset_vals */
195 uint64_t *reset_rx_pkts;
196 uint64_t *reset_rx_bytes;
197 uint64_t *reset_tx_pkts;
198 uint64_t *reset_tx_bytes;
200 rte_spinlock_t queues_bitmap_lock;
201 void *queues_bitmap_mem;
202 struct rte_bitmap *queues_bitmap;
205 /* Adapter private data */
208 * It must be the first field of the sfc_adapter structure since
209 * sfc_adapter is the primary process private data (i.e. process
210 * private data plus additional primary process specific data).
212 struct sfc_adapter_priv priv;
215 * PMD setup and configuration is not thread safe. Since it is not
216 * performance sensitive, it is better to guarantee thread-safety
217 * and add device level lock. Adapter control operations which
218 * change its state should acquire the lock.
221 enum sfc_ethdev_state state;
222 struct rte_eth_dev *eth_dev;
223 struct rte_kvargs *kvargs;
226 /* Function control window offset */
227 efsys_dma_addr_t fcw_offset;
230 rte_spinlock_t nic_lock;
231 rte_atomic32_t restart_required;
233 struct sfc_efx_mcdi mcdi;
234 struct sfc_sriov sriov;
235 struct sfc_intr intr;
236 struct sfc_port port;
237 struct sfc_sw_stats sw_stats;
238 /* Registry of tunnel offload contexts */
239 struct sfc_flow_tunnel flow_tunnels[SFC_FT_MAX_NTUNNELS];
240 struct sfc_filter filter;
242 struct sfc_repr_proxy repr_proxy;
244 struct sfc_flow_list flow_list;
246 unsigned int rxq_max;
247 unsigned int txq_max;
249 unsigned int rxq_max_entries;
250 unsigned int rxq_min_entries;
252 unsigned int txq_max_entries;
253 unsigned int txq_min_entries;
255 unsigned int evq_max_entries;
256 unsigned int evq_min_entries;
259 unsigned int evq_count;
261 unsigned int mgmt_evq_index;
263 * The lock is used to serialise management event queue polling
264 * which can be done from different context. Also the lock
265 * guarantees that mgmt_evq_running is preserved while the lock
266 * is held. It is used to serialise polling and start/stop
269 * Locks which may be held when the lock is acquired:
270 * - adapter lock, when:
271 * - device start/stop to change mgmt_evq_running
272 * - any control operations in client side MCDI proxy handling to
273 * poll management event queue waiting for proxy response
275 * - any control operations in client side MCDI proxy handling to
276 * poll management event queue waiting for proxy response
278 * Locks which are acquired with the lock held:
280 * - MC event processing on management event queue polling
281 * (e.g. MC REBOOT or BADASSERT events)
283 rte_spinlock_t mgmt_evq_lock;
284 bool mgmt_evq_running;
285 struct sfc_evq *mgmt_evq;
287 struct sfc_counter_rxq counter_rxq;
289 struct sfc_rxq *rxq_ctrl;
290 struct sfc_txq *txq_ctrl;
295 uint64_t negotiated_rx_metadata;
297 uint32_t rxd_wait_timeout_ns;
302 static inline struct sfc_adapter_shared *
303 sfc_adapter_shared_by_eth_dev(struct rte_eth_dev *eth_dev)
305 struct sfc_adapter_shared *sas = eth_dev->data->dev_private;
310 static inline struct sfc_adapter *
311 sfc_adapter_by_eth_dev(struct rte_eth_dev *eth_dev)
313 struct sfc_adapter_priv *sap = sfc_adapter_priv_by_eth_dev(eth_dev);
315 SFC_ASSERT(rte_eal_process_type() == RTE_PROC_PRIMARY);
317 return container_of(sap, struct sfc_adapter, priv);
320 static inline struct sfc_adapter_shared *
321 sfc_sa2shared(struct sfc_adapter *sa)
323 return sa->priv.shared;
327 * Add wrapper functions to acquire/release lock to be able to remove or
328 * change the lock in one place.
332 sfc_adapter_lock_init(struct sfc_adapter *sa)
334 rte_spinlock_init(&sa->lock);
338 sfc_adapter_is_locked(struct sfc_adapter *sa)
340 return rte_spinlock_is_locked(&sa->lock);
344 sfc_adapter_lock(struct sfc_adapter *sa)
346 rte_spinlock_lock(&sa->lock);
350 sfc_adapter_trylock(struct sfc_adapter *sa)
352 return rte_spinlock_trylock(&sa->lock);
356 sfc_adapter_unlock(struct sfc_adapter *sa)
358 rte_spinlock_unlock(&sa->lock);
362 sfc_adapter_lock_fini(__rte_unused struct sfc_adapter *sa)
364 /* Just for symmetry of the API */
367 static inline unsigned int
368 sfc_nb_counter_rxq(const struct sfc_adapter_shared *sas)
370 return sas->counters_rxq_allocated ? 1 : 0;
373 bool sfc_repr_supported(const struct sfc_adapter *sa);
374 bool sfc_repr_available(const struct sfc_adapter_shared *sas);
376 static inline unsigned int
377 sfc_repr_nb_rxq(const struct sfc_adapter_shared *sas)
379 return sas->nb_repr_rxq;
382 static inline unsigned int
383 sfc_repr_nb_txq(const struct sfc_adapter_shared *sas)
385 return sas->nb_repr_txq;
388 /** Get the number of milliseconds since boot from the default timer */
389 static inline uint64_t
390 sfc_get_system_msecs(void)
392 return rte_get_timer_cycles() * MS_PER_S / rte_get_timer_hz();
395 int sfc_dma_alloc(const struct sfc_adapter *sa, const char *name, uint16_t id,
396 size_t len, int socket_id, efsys_mem_t *esmp);
397 void sfc_dma_free(const struct sfc_adapter *sa, efsys_mem_t *esmp);
399 uint32_t sfc_register_logtype(const struct rte_pci_addr *pci_addr,
400 const char *lt_prefix_str,
401 uint32_t ll_default);
403 int sfc_probe(struct sfc_adapter *sa);
404 void sfc_unprobe(struct sfc_adapter *sa);
405 int sfc_attach(struct sfc_adapter *sa);
406 void sfc_pre_detach(struct sfc_adapter *sa);
407 void sfc_detach(struct sfc_adapter *sa);
408 int sfc_start(struct sfc_adapter *sa);
409 void sfc_stop(struct sfc_adapter *sa);
411 void sfc_schedule_restart(struct sfc_adapter *sa);
413 int sfc_mcdi_init(struct sfc_adapter *sa);
414 void sfc_mcdi_fini(struct sfc_adapter *sa);
416 int sfc_configure(struct sfc_adapter *sa);
417 void sfc_close(struct sfc_adapter *sa);
419 int sfc_intr_attach(struct sfc_adapter *sa);
420 void sfc_intr_detach(struct sfc_adapter *sa);
421 int sfc_intr_configure(struct sfc_adapter *sa);
422 void sfc_intr_close(struct sfc_adapter *sa);
423 int sfc_intr_start(struct sfc_adapter *sa);
424 void sfc_intr_stop(struct sfc_adapter *sa);
426 int sfc_port_attach(struct sfc_adapter *sa);
427 void sfc_port_detach(struct sfc_adapter *sa);
428 int sfc_port_configure(struct sfc_adapter *sa);
429 void sfc_port_close(struct sfc_adapter *sa);
430 int sfc_port_start(struct sfc_adapter *sa);
431 void sfc_port_stop(struct sfc_adapter *sa);
432 void sfc_port_link_mode_to_info(efx_link_mode_t link_mode,
433 struct rte_eth_link *link_info);
434 int sfc_port_update_mac_stats(struct sfc_adapter *sa, boolean_t manual_update);
435 int sfc_port_get_mac_stats(struct sfc_adapter *sa, struct rte_eth_xstat *xstats,
436 unsigned int xstats_count, unsigned int *nb_written);
437 int sfc_port_get_mac_stats_by_id(struct sfc_adapter *sa, const uint64_t *ids,
438 uint64_t *values, unsigned int n);
439 int sfc_port_reset_mac_stats(struct sfc_adapter *sa);
440 int sfc_set_rx_mode(struct sfc_adapter *sa);
441 int sfc_set_rx_mode_unchecked(struct sfc_adapter *sa);
443 struct sfc_hw_switch_id;
445 int sfc_hw_switch_id_init(struct sfc_adapter *sa,
446 struct sfc_hw_switch_id **idp);
447 void sfc_hw_switch_id_fini(struct sfc_adapter *sa,
448 struct sfc_hw_switch_id *idp);
449 bool sfc_hw_switch_ids_equal(const struct sfc_hw_switch_id *left,
450 const struct sfc_hw_switch_id *right);