1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright (c) 2009-2018 Microsoft Corp.
3 * Copyright (c) 2016 Brocade Communications Systems, Inc.
4 * Copyright (c) 2012 NetApp Inc.
5 * Copyright (c) 2012 Citrix Inc.
10 * Tunable ethdev params
12 #define HN_MIN_RX_BUF_SIZE 1024
13 #define HN_MAX_XFER_LEN 2048
14 #define HN_MAX_MAC_ADDRS 1
15 #define HN_MAX_CHANNELS 64
17 /* Claimed to be 12232B */
18 #define HN_MTU_MAX (9 * 1024)
21 #define HN_CHAN_INTERVAL_US 100
23 /* Host monitor interval */
24 #define HN_CHAN_LATENCY_NS 50000
26 #define HN_TXCOPY_THRESHOLD 512
27 #define HN_RXCOPY_THRESHOLD 256
29 #define HN_RX_EXTMBUF_ENABLE 0
31 /* Buffers need to be aligned */
33 #define PAGE_SIZE 4096
37 #define PAGE_MASK (PAGE_SIZE - 1)
48 uint64_t channel_full;
51 /* Size bins in array as RFC 2819, undersized [0], 64 [1], etc */
52 uint64_t size_bins[8];
57 struct vmbus_channel *chan;
61 struct rte_mempool *txdesc_pool;
62 const struct rte_memzone *tx_rndis_mz;
64 rte_iova_t tx_rndis_iova;
66 /* Applied packet transmission aggregation limits. */
71 /* Packet transmission aggregation states */
72 struct hn_txdesc *agg_txd;
75 struct rndis_packet_msg *agg_prevpkt;
77 struct hn_stats stats;
82 struct vmbus_channel *chan;
83 struct rte_mempool *mb_pool;
84 struct rte_ring *rx_ring;
86 rte_spinlock_t ring_lock;
90 struct hn_stats stats;
93 struct hn_rx_bufinfo *rxbuf_info;
94 rte_atomic32_t rxbuf_outstanding;
98 /* multi-packet data from host */
99 struct hn_rx_bufinfo {
100 struct vmbus_channel *chan;
101 struct hn_rx_queue *rxq;
103 struct rte_mbuf_ext_shared_info shinfo;
104 } __rte_cache_aligned;
106 #define HN_INVALID_PORT UINT16_MAX
108 enum vf_device_state {
119 /* We have taken ownership of this VF port from DPDK */
122 /* VSC has requested to switch data path to VF */
123 bool vf_vsc_switched;
125 /* VSP has reported the VF is present for this NIC */
126 bool vf_vsp_reported;
128 enum vf_device_state vf_state;
132 struct rte_vmbus_device *vmbus;
133 struct hn_rx_queue *primary;
134 rte_rwlock_t vf_lock;
137 struct hn_vf_ctx vf_ctx;
142 uint32_t link_status;
145 struct rte_mem_resource *rxbuf_res; /* UIO resource for Rx */
146 uint32_t rxbuf_section_cnt; /* # of Rx sections */
147 uint32_t rx_copybreak;
148 uint32_t rx_extmbuf_enable;
149 uint16_t max_queues; /* Max available queues */
151 uint64_t rss_offloads;
153 rte_spinlock_t chim_lock;
154 struct rte_mem_resource *chim_res; /* UIO resource for Tx */
155 struct rte_bitmap *chim_bmap; /* Send buffer map */
157 uint32_t tx_copybreak;
158 uint32_t chim_szmax; /* Max size per buffer */
159 uint32_t chim_cnt; /* Max packets per buffer */
164 uint32_t rndis_agg_size;
165 uint32_t rndis_agg_pkts;
166 uint32_t rndis_agg_align;
168 volatile uint32_t rndis_pending;
169 rte_atomic32_t rndis_req_id;
170 uint8_t rndis_resp[256];
174 uint16_t rss_ind[128];
176 struct rte_eth_dev_owner owner;
178 struct vmbus_channel *channels[HN_MAX_CHANNELS];
180 struct rte_devargs devargs;
181 int eal_hot_plug_retry;
184 static inline struct vmbus_channel *
185 hn_primary_chan(const struct hn_data *hv)
187 return hv->channels[0];
190 uint32_t hn_process_events(struct hn_data *hv, uint16_t queue_id,
193 uint16_t hn_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts,
195 uint16_t hn_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts,
198 int hn_chim_init(struct rte_eth_dev *dev);
199 void hn_chim_uninit(struct rte_eth_dev *dev);
200 int hn_dev_link_update(struct rte_eth_dev *dev, int wait);
201 int hn_dev_tx_queue_setup(struct rte_eth_dev *dev, uint16_t queue_idx,
202 uint16_t nb_desc, unsigned int socket_id,
203 const struct rte_eth_txconf *tx_conf);
204 void hn_dev_tx_queue_release(void *arg);
205 void hn_dev_tx_queue_info(struct rte_eth_dev *dev, uint16_t queue_idx,
206 struct rte_eth_txq_info *qinfo);
207 int hn_dev_tx_done_cleanup(void *arg, uint32_t free_cnt);
208 int hn_dev_tx_descriptor_status(void *arg, uint16_t offset);
210 struct hn_rx_queue *hn_rx_queue_alloc(struct hn_data *hv,
212 unsigned int socket_id);
213 int hn_dev_rx_queue_setup(struct rte_eth_dev *dev,
214 uint16_t queue_idx, uint16_t nb_desc,
215 unsigned int socket_id,
216 const struct rte_eth_rxconf *rx_conf,
217 struct rte_mempool *mp);
218 void hn_dev_rx_queue_info(struct rte_eth_dev *dev, uint16_t queue_id,
219 struct rte_eth_rxq_info *qinfo);
220 void hn_dev_rx_queue_release(void *arg);
221 uint32_t hn_dev_rx_queue_count(struct rte_eth_dev *dev, uint16_t queue_id);
222 int hn_dev_rx_queue_status(void *rxq, uint16_t offset);
223 void hn_dev_free_queues(struct rte_eth_dev *dev);
226 * Get VF device for existing netvsc device
227 * Assumes vf_lock is held.
229 static inline struct rte_eth_dev *
230 hn_get_vf_dev(const struct hn_data *hv)
232 if (hv->vf_ctx.vf_attached)
233 return &rte_eth_devices[hv->vf_ctx.vf_port];
238 int hn_vf_info_get(struct hn_data *hv,
239 struct rte_eth_dev_info *info);
240 int hn_vf_add(struct rte_eth_dev *dev, struct hn_data *hv);
241 int hn_vf_configure_locked(struct rte_eth_dev *dev,
242 const struct rte_eth_conf *dev_conf);
243 const uint32_t *hn_vf_supported_ptypes(struct rte_eth_dev *dev);
244 int hn_vf_start(struct rte_eth_dev *dev);
245 void hn_vf_reset(struct rte_eth_dev *dev);
246 int hn_vf_close(struct rte_eth_dev *dev);
247 int hn_vf_stop(struct rte_eth_dev *dev);
249 int hn_vf_allmulticast_enable(struct rte_eth_dev *dev);
250 int hn_vf_allmulticast_disable(struct rte_eth_dev *dev);
251 int hn_vf_promiscuous_enable(struct rte_eth_dev *dev);
252 int hn_vf_promiscuous_disable(struct rte_eth_dev *dev);
253 int hn_vf_mc_addr_list(struct rte_eth_dev *dev,
254 struct rte_ether_addr *mc_addr_set,
255 uint32_t nb_mc_addr);
257 int hn_vf_tx_queue_setup(struct rte_eth_dev *dev,
258 uint16_t queue_idx, uint16_t nb_desc,
259 unsigned int socket_id,
260 const struct rte_eth_txconf *tx_conf);
261 void hn_vf_tx_queue_release(struct hn_data *hv, uint16_t queue_id);
262 int hn_vf_tx_queue_status(struct hn_data *hv, uint16_t queue_id, uint16_t offset);
264 int hn_vf_rx_queue_setup(struct rte_eth_dev *dev,
265 uint16_t queue_idx, uint16_t nb_desc,
266 unsigned int socket_id,
267 const struct rte_eth_rxconf *rx_conf,
268 struct rte_mempool *mp);
269 void hn_vf_rx_queue_release(struct hn_data *hv, uint16_t queue_id);
271 int hn_vf_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats);
272 int hn_vf_stats_reset(struct rte_eth_dev *dev);
273 int hn_vf_xstats_get_names(struct rte_eth_dev *dev,
274 struct rte_eth_xstat_name *xstats_names,
276 int hn_vf_xstats_get(struct rte_eth_dev *dev,
277 struct rte_eth_xstat *xstats,
278 unsigned int offset, unsigned int n);
279 int hn_vf_xstats_reset(struct rte_eth_dev *dev);
280 int hn_vf_rss_hash_update(struct rte_eth_dev *dev,
281 struct rte_eth_rss_conf *rss_conf);
282 int hn_vf_reta_hash_update(struct rte_eth_dev *dev,
283 struct rte_eth_rss_reta_entry64 *reta_conf,
285 int hn_eth_rmv_event_callback(uint16_t port_id,
286 enum rte_eth_event_type event __rte_unused,
287 void *cb_arg, void *out __rte_unused);