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.
37 #include <rte_ethdev.h>
38 #include <rte_kvargs.h>
39 #include <rte_spinlock.h>
43 #include "sfc_filter.h"
49 #if EFSYS_OPT_RX_SCALE
50 /** RSS key length (bytes) */
51 #define SFC_RSS_KEY_SIZE 40
52 /** RSS hash offloads mask */
53 #define SFC_RSS_OFFLOADS (ETH_RSS_IP | ETH_RSS_TCP)
58 * | UNINITIALIZED |<-----------+
60 * |.eth_dev_init |.eth_dev_uninit
62 * +---------------+------------+
64 * +---------------+<-----------<---------------+
67 * +---------------+------------+ |
69 * +---------------+----+ |
71 * | | +---------------+
73 * | | +---------------+
76 * +---------------+----+ |.dev_close
77 * | CONFIGURED |----------------------------+
78 * +---------------+<-----------+
82 * | STARTING |------------^
83 * +---------------+ failed |
90 * +---------------+------------+
94 enum sfc_adapter_state {
95 SFC_ADAPTER_UNINITIALIZED = 0,
96 SFC_ADAPTER_INITIALIZED,
97 SFC_ADAPTER_CONFIGURING,
98 SFC_ADAPTER_CONFIGURED,
100 SFC_ADAPTER_STARTING,
102 SFC_ADAPTER_STOPPING,
107 enum sfc_dev_filter_mode {
108 SFC_DEV_FILTER_MODE_PROMISC = 0,
109 SFC_DEV_FILTER_MODE_ALLMULTI,
111 SFC_DEV_FILTER_NMODES
114 enum sfc_mcdi_state {
115 SFC_MCDI_UNINITIALIZED = 0,
116 SFC_MCDI_INITIALIZED,
126 enum sfc_mcdi_state state;
127 efx_mcdi_transport_t transport;
129 uint32_t proxy_handle;
130 efx_rc_t proxy_result;
134 efx_intr_type_t type;
135 rte_intr_callback_fn handler;
144 unsigned int lsc_seq;
146 uint32_t phy_adv_cap_mask;
147 uint32_t phy_adv_cap;
149 unsigned int flow_ctrl;
150 boolean_t flow_ctrl_autoneg;
156 unsigned int max_mcast_addrs;
157 unsigned int nb_mcast_addrs;
158 uint8_t *mcast_addrs;
160 rte_spinlock_t mac_stats_lock;
161 uint64_t *mac_stats_buf;
162 efsys_mem_t mac_stats_dma_mem;
163 boolean_t mac_stats_reset_pending;
164 uint16_t mac_stats_update_period_ms;
165 uint32_t mac_stats_update_generation;
166 boolean_t mac_stats_periodic_dma_supported;
167 uint64_t mac_stats_last_request_timestamp;
169 uint32_t mac_stats_mask[EFX_MAC_STATS_MASK_NPAGES];
172 /* Adapter private data */
175 * PMD setup and configuration is not thread safe. Since it is not
176 * performance sensitive, it is better to guarantee thread-safety
177 * and add device level lock. Adapter control operations which
178 * change its state should acquire the lock.
181 enum sfc_adapter_state state;
182 struct rte_pci_addr pci_addr;
184 struct rte_eth_dev *eth_dev;
185 struct rte_kvargs *kvargs;
191 rte_spinlock_t nic_lock;
193 struct sfc_mcdi mcdi;
194 struct sfc_intr intr;
195 struct sfc_port port;
196 struct sfc_filter filter;
198 unsigned int rxq_max;
199 unsigned int txq_max;
201 unsigned int txq_max_entries;
204 unsigned int evq_count;
206 unsigned int mgmt_evq_index;
207 rte_spinlock_t mgmt_evq_lock;
208 struct sfc_evq *mgmt_evq;
210 unsigned int rxq_count;
211 struct sfc_rxq_info *rxq_info;
213 unsigned int txq_count;
214 struct sfc_txq_info *txq_info;
218 unsigned int rss_channels;
220 #if EFSYS_OPT_RX_SCALE
221 efx_rx_scale_support_t rss_support;
222 efx_rx_hash_support_t hash_support;
223 efx_rx_hash_type_t rss_hash_types;
224 unsigned int rss_tbl[EFX_RSS_TBL_SIZE];
225 uint8_t rss_key[SFC_RSS_KEY_SIZE];
229 * Shared memory copy of the Rx datapath name to be used by
230 * the secondary process to find Rx datapath to be used.
233 const struct sfc_dp_rx *dp_rx;
236 * Shared memory copy of the Tx datapath name to be used by
237 * the secondary process to find Rx datapath to be used.
240 const struct sfc_dp_tx *dp_tx;
244 * Add wrapper functions to acquire/release lock to be able to remove or
245 * change the lock in one place.
249 sfc_adapter_lock_init(struct sfc_adapter *sa)
251 rte_spinlock_init(&sa->lock);
255 sfc_adapter_is_locked(struct sfc_adapter *sa)
257 return rte_spinlock_is_locked(&sa->lock);
261 sfc_adapter_lock(struct sfc_adapter *sa)
263 rte_spinlock_lock(&sa->lock);
267 sfc_adapter_trylock(struct sfc_adapter *sa)
269 return rte_spinlock_trylock(&sa->lock);
273 sfc_adapter_unlock(struct sfc_adapter *sa)
275 rte_spinlock_unlock(&sa->lock);
279 sfc_adapter_lock_fini(__rte_unused struct sfc_adapter *sa)
281 /* Just for symmetry of the API */
284 /** Get the number of milliseconds since boot from the default timer */
285 static inline uint64_t
286 sfc_get_system_msecs(void)
288 return rte_get_timer_cycles() * MS_PER_S / rte_get_timer_hz();
291 int sfc_dma_alloc(const struct sfc_adapter *sa, const char *name, uint16_t id,
292 size_t len, int socket_id, efsys_mem_t *esmp);
293 void sfc_dma_free(const struct sfc_adapter *sa, efsys_mem_t *esmp);
295 int sfc_probe(struct sfc_adapter *sa);
296 void sfc_unprobe(struct sfc_adapter *sa);
297 int sfc_attach(struct sfc_adapter *sa);
298 void sfc_detach(struct sfc_adapter *sa);
299 int sfc_start(struct sfc_adapter *sa);
300 void sfc_stop(struct sfc_adapter *sa);
302 int sfc_mcdi_init(struct sfc_adapter *sa);
303 void sfc_mcdi_fini(struct sfc_adapter *sa);
305 int sfc_configure(struct sfc_adapter *sa);
306 void sfc_close(struct sfc_adapter *sa);
308 int sfc_intr_attach(struct sfc_adapter *sa);
309 void sfc_intr_detach(struct sfc_adapter *sa);
310 int sfc_intr_configure(struct sfc_adapter *sa);
311 void sfc_intr_close(struct sfc_adapter *sa);
312 int sfc_intr_start(struct sfc_adapter *sa);
313 void sfc_intr_stop(struct sfc_adapter *sa);
315 int sfc_port_attach(struct sfc_adapter *sa);
316 void sfc_port_detach(struct sfc_adapter *sa);
317 int sfc_port_configure(struct sfc_adapter *sa);
318 void sfc_port_close(struct sfc_adapter *sa);
319 int sfc_port_start(struct sfc_adapter *sa);
320 void sfc_port_stop(struct sfc_adapter *sa);
321 void sfc_port_link_mode_to_info(efx_link_mode_t link_mode,
322 struct rte_eth_link *link_info);
323 int sfc_port_update_mac_stats(struct sfc_adapter *sa);
324 int sfc_port_reset_mac_stats(struct sfc_adapter *sa);
325 int sfc_set_rx_mode(struct sfc_adapter *sa);