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.
9 #include <rte_eal_paging.h>
12 * Tunable ethdev params
14 #define HN_MIN_RX_BUF_SIZE 1024
15 #define HN_MAX_XFER_LEN 2048
16 #define HN_MAX_MAC_ADDRS 1
17 #define HN_MAX_CHANNELS 64
19 /* Claimed to be 12232B */
20 #define HN_MTU_MAX (9 * 1024)
23 #define HN_CHAN_INTERVAL_US 100
25 /* Host monitor interval */
26 #define HN_CHAN_LATENCY_NS 50000
28 #define HN_TXCOPY_THRESHOLD 512
29 #define HN_RXCOPY_THRESHOLD 256
31 #define HN_RX_EXTMBUF_ENABLE 0
34 #define PAGE_MASK (rte_mem_page_size() - 1)
45 uint64_t channel_full;
48 /* Size bins in array as RFC 2819, undersized [0], 64 [1], etc */
49 uint64_t size_bins[8];
54 struct vmbus_channel *chan;
58 struct rte_mempool *txdesc_pool;
59 const struct rte_memzone *tx_rndis_mz;
61 rte_iova_t tx_rndis_iova;
63 /* Applied packet transmission aggregation limits. */
68 /* Packet transmission aggregation states */
69 struct hn_txdesc *agg_txd;
72 struct rndis_packet_msg *agg_prevpkt;
74 struct hn_stats stats;
79 struct vmbus_channel *chan;
80 struct rte_mempool *mb_pool;
81 struct rte_ring *rx_ring;
83 rte_spinlock_t ring_lock;
87 struct hn_stats stats;
90 struct hn_rx_bufinfo *rxbuf_info;
91 rte_atomic32_t rxbuf_outstanding;
95 /* multi-packet data from host */
96 struct hn_rx_bufinfo {
97 struct vmbus_channel *chan;
98 struct hn_rx_queue *rxq;
100 struct rte_mbuf_ext_shared_info shinfo;
101 } __rte_cache_aligned;
103 #define HN_INVALID_PORT UINT16_MAX
105 enum vf_device_state {
116 /* We have taken ownership of this VF port from DPDK */
119 /* VSC has requested to switch data path to VF */
120 bool vf_vsc_switched;
122 /* VSP has reported the VF is present for this NIC */
123 bool vf_vsp_reported;
125 enum vf_device_state vf_state;
129 struct rte_vmbus_device *vmbus;
130 struct hn_rx_queue *primary;
131 rte_rwlock_t vf_lock;
134 struct hn_vf_ctx vf_ctx;
139 uint32_t link_status;
142 struct rte_mem_resource *rxbuf_res; /* UIO resource for Rx */
143 uint32_t rxbuf_section_cnt; /* # of Rx sections */
144 uint32_t rx_copybreak;
145 uint32_t rx_extmbuf_enable;
146 uint16_t max_queues; /* Max available queues */
148 uint64_t rss_offloads;
150 rte_spinlock_t chim_lock;
151 struct rte_mem_resource *chim_res; /* UIO resource for Tx */
152 struct rte_bitmap *chim_bmap; /* Send buffer map */
154 uint32_t tx_copybreak;
155 uint32_t chim_szmax; /* Max size per buffer */
156 uint32_t chim_cnt; /* Max packets per buffer */
161 uint32_t rndis_agg_size;
162 uint32_t rndis_agg_pkts;
163 uint32_t rndis_agg_align;
165 volatile uint32_t rndis_pending;
166 rte_atomic32_t rndis_req_id;
167 uint8_t rndis_resp[256];
171 uint16_t rss_ind[128];
173 struct rte_eth_dev_owner owner;
175 struct vmbus_channel *channels[HN_MAX_CHANNELS];
177 struct rte_devargs devargs;
178 int eal_hot_plug_retry;
181 static inline struct vmbus_channel *
182 hn_primary_chan(const struct hn_data *hv)
184 return hv->channels[0];
187 uint32_t hn_process_events(struct hn_data *hv, uint16_t queue_id,
190 uint16_t hn_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts,
192 uint16_t hn_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts,
195 int hn_chim_init(struct rte_eth_dev *dev);
196 void hn_chim_uninit(struct rte_eth_dev *dev);
197 int hn_dev_link_update(struct rte_eth_dev *dev, int wait);
198 int hn_dev_tx_queue_setup(struct rte_eth_dev *dev, uint16_t queue_idx,
199 uint16_t nb_desc, unsigned int socket_id,
200 const struct rte_eth_txconf *tx_conf);
201 void hn_dev_tx_queue_release(void *arg);
202 void hn_dev_tx_queue_info(struct rte_eth_dev *dev, uint16_t queue_idx,
203 struct rte_eth_txq_info *qinfo);
204 int hn_dev_tx_done_cleanup(void *arg, uint32_t free_cnt);
205 int hn_dev_tx_descriptor_status(void *arg, uint16_t offset);
207 struct hn_rx_queue *hn_rx_queue_alloc(struct hn_data *hv,
209 unsigned int socket_id);
210 int hn_dev_rx_queue_setup(struct rte_eth_dev *dev,
211 uint16_t queue_idx, uint16_t nb_desc,
212 unsigned int socket_id,
213 const struct rte_eth_rxconf *rx_conf,
214 struct rte_mempool *mp);
215 void hn_dev_rx_queue_info(struct rte_eth_dev *dev, uint16_t queue_id,
216 struct rte_eth_rxq_info *qinfo);
217 void hn_dev_rx_queue_release(void *arg);
218 uint32_t hn_dev_rx_queue_count(struct rte_eth_dev *dev, uint16_t queue_id);
219 int hn_dev_rx_queue_status(void *rxq, uint16_t offset);
220 void hn_dev_free_queues(struct rte_eth_dev *dev);
223 * Get VF device for existing netvsc device
224 * Assumes vf_lock is held.
226 static inline struct rte_eth_dev *
227 hn_get_vf_dev(const struct hn_data *hv)
229 if (hv->vf_ctx.vf_attached)
230 return &rte_eth_devices[hv->vf_ctx.vf_port];
235 int hn_vf_info_get(struct hn_data *hv,
236 struct rte_eth_dev_info *info);
237 int hn_vf_add(struct rte_eth_dev *dev, struct hn_data *hv);
238 int hn_vf_configure_locked(struct rte_eth_dev *dev,
239 const struct rte_eth_conf *dev_conf);
240 const uint32_t *hn_vf_supported_ptypes(struct rte_eth_dev *dev);
241 int hn_vf_start(struct rte_eth_dev *dev);
242 void hn_vf_reset(struct rte_eth_dev *dev);
243 int hn_vf_close(struct rte_eth_dev *dev);
244 int hn_vf_stop(struct rte_eth_dev *dev);
246 int hn_vf_allmulticast_enable(struct rte_eth_dev *dev);
247 int hn_vf_allmulticast_disable(struct rte_eth_dev *dev);
248 int hn_vf_promiscuous_enable(struct rte_eth_dev *dev);
249 int hn_vf_promiscuous_disable(struct rte_eth_dev *dev);
250 int hn_vf_mc_addr_list(struct rte_eth_dev *dev,
251 struct rte_ether_addr *mc_addr_set,
252 uint32_t nb_mc_addr);
254 int hn_vf_tx_queue_setup(struct rte_eth_dev *dev,
255 uint16_t queue_idx, uint16_t nb_desc,
256 unsigned int socket_id,
257 const struct rte_eth_txconf *tx_conf);
258 void hn_vf_tx_queue_release(struct hn_data *hv, uint16_t queue_id);
259 int hn_vf_tx_queue_status(struct hn_data *hv, uint16_t queue_id, uint16_t offset);
261 int hn_vf_rx_queue_setup(struct rte_eth_dev *dev,
262 uint16_t queue_idx, uint16_t nb_desc,
263 unsigned int socket_id,
264 const struct rte_eth_rxconf *rx_conf,
265 struct rte_mempool *mp);
266 void hn_vf_rx_queue_release(struct hn_data *hv, uint16_t queue_id);
268 int hn_vf_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats);
269 int hn_vf_stats_reset(struct rte_eth_dev *dev);
270 int hn_vf_xstats_get_names(struct rte_eth_dev *dev,
271 struct rte_eth_xstat_name *xstats_names,
273 int hn_vf_xstats_get(struct rte_eth_dev *dev,
274 struct rte_eth_xstat *xstats,
275 unsigned int offset, unsigned int n);
276 int hn_vf_xstats_reset(struct rte_eth_dev *dev);
277 int hn_vf_rss_hash_update(struct rte_eth_dev *dev,
278 struct rte_eth_rss_conf *rss_conf);
279 int hn_vf_reta_hash_update(struct rte_eth_dev *dev,
280 struct rte_eth_rss_reta_entry64 *reta_conf,
282 int hn_eth_rmv_event_callback(uint16_t port_id,
283 enum rte_eth_event_type event __rte_unused,
284 void *cb_arg, void *out __rte_unused);