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 /* Buffers need to be aligned */
28 #define PAGE_SIZE 4096
32 #define PAGE_MASK (PAGE_SIZE - 1)
45 /* Size bins in array as RFC 2819, undersized [0], 64 [1], etc */
46 uint64_t size_bins[8];
51 struct vmbus_channel *chan;
55 struct rte_mempool *txdesc_pool;
58 /* Applied packet transmission aggregation limits. */
63 /* Packet transmission aggregation states */
64 struct hn_txdesc *agg_txd;
67 struct rndis_packet_msg *agg_prevpkt;
69 struct hn_stats stats;
74 struct vmbus_channel *chan;
75 struct rte_mempool *mb_pool;
76 struct rte_ring *rx_ring;
78 rte_spinlock_t ring_lock;
82 struct hn_stats stats;
88 /* multi-packet data from host */
89 struct hn_rx_bufinfo {
90 struct vmbus_channel *chan;
93 struct rte_mbuf_ext_shared_info shinfo;
94 } __rte_cache_aligned;
96 #define HN_INVALID_PORT UINT16_MAX
99 struct rte_vmbus_device *vmbus;
100 struct hn_rx_queue *primary;
101 rte_rwlock_t vf_lock;
109 uint32_t link_status;
112 struct rte_mem_resource *rxbuf_res; /* UIO resource for Rx */
113 struct hn_rx_bufinfo *rxbuf_info;
114 uint32_t rxbuf_section_cnt; /* # of Rx sections */
115 volatile uint32_t rxbuf_outstanding;
116 uint16_t max_queues; /* Max available queues */
118 uint64_t rss_offloads;
120 rte_spinlock_t chim_lock;
121 struct rte_mem_resource *chim_res; /* UIO resource for Tx */
122 struct rte_bitmap *chim_bmap; /* Send buffer map */
124 uint32_t chim_szmax; /* Max size per buffer */
125 uint32_t chim_cnt; /* Max packets per buffer */
130 uint32_t rndis_agg_size;
131 uint32_t rndis_agg_pkts;
132 uint32_t rndis_agg_align;
134 volatile uint32_t rndis_pending;
135 rte_atomic32_t rndis_req_id;
136 uint8_t rndis_resp[256];
140 uint16_t rss_ind[128];
142 struct rte_eth_dev_owner owner;
143 struct rte_intr_handle vf_intr;
145 struct vmbus_channel *channels[HN_MAX_CHANNELS];
148 static inline struct vmbus_channel *
149 hn_primary_chan(const struct hn_data *hv)
151 return hv->channels[0];
154 uint32_t hn_process_events(struct hn_data *hv, uint16_t queue_id,
157 uint16_t hn_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts,
159 uint16_t hn_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts,
162 int hn_chim_init(struct rte_eth_dev *dev);
163 void hn_chim_uninit(struct rte_eth_dev *dev);
164 int hn_dev_link_update(struct rte_eth_dev *dev, int wait);
165 int hn_dev_tx_queue_setup(struct rte_eth_dev *dev, uint16_t queue_idx,
166 uint16_t nb_desc, unsigned int socket_id,
167 const struct rte_eth_txconf *tx_conf);
168 void hn_dev_tx_queue_release(void *arg);
169 void hn_dev_tx_queue_info(struct rte_eth_dev *dev, uint16_t queue_idx,
170 struct rte_eth_txq_info *qinfo);
171 int hn_dev_tx_done_cleanup(void *arg, uint32_t free_cnt);
173 struct hn_rx_queue *hn_rx_queue_alloc(struct hn_data *hv,
175 unsigned int socket_id);
176 int hn_dev_rx_queue_setup(struct rte_eth_dev *dev,
177 uint16_t queue_idx, uint16_t nb_desc,
178 unsigned int socket_id,
179 const struct rte_eth_rxconf *rx_conf,
180 struct rte_mempool *mp);
181 void hn_dev_rx_queue_info(struct rte_eth_dev *dev, uint16_t queue_id,
182 struct rte_eth_rxq_info *qinfo);
183 void hn_dev_rx_queue_release(void *arg);
184 void hn_dev_free_queues(struct rte_eth_dev *dev);
186 /* Check if VF is attached */
188 hn_vf_attached(const struct hn_data *hv)
190 return hv->vf_port != HN_INVALID_PORT;
194 * Get VF device for existing netvsc device
195 * Assumes vf_lock is held.
197 static inline struct rte_eth_dev *
198 hn_get_vf_dev(const struct hn_data *hv)
200 uint16_t vf_port = hv->vf_port;
202 if (vf_port == HN_INVALID_PORT)
205 return &rte_eth_devices[vf_port];
208 int hn_vf_info_get(struct hn_data *hv,
209 struct rte_eth_dev_info *info);
210 int hn_vf_add(struct rte_eth_dev *dev, struct hn_data *hv);
211 int hn_vf_configure(struct rte_eth_dev *dev,
212 const struct rte_eth_conf *dev_conf);
213 const uint32_t *hn_vf_supported_ptypes(struct rte_eth_dev *dev);
214 int hn_vf_start(struct rte_eth_dev *dev);
215 void hn_vf_reset(struct rte_eth_dev *dev);
216 void hn_vf_stop(struct rte_eth_dev *dev);
217 void hn_vf_close(struct rte_eth_dev *dev);
219 int hn_vf_allmulticast_enable(struct rte_eth_dev *dev);
220 int hn_vf_allmulticast_disable(struct rte_eth_dev *dev);
221 int hn_vf_promiscuous_enable(struct rte_eth_dev *dev);
222 int hn_vf_promiscuous_disable(struct rte_eth_dev *dev);
223 int hn_vf_mc_addr_list(struct rte_eth_dev *dev,
224 struct rte_ether_addr *mc_addr_set,
225 uint32_t nb_mc_addr);
227 int hn_vf_link_update(struct rte_eth_dev *dev,
228 int wait_to_complete);
229 int hn_vf_tx_queue_setup(struct rte_eth_dev *dev,
230 uint16_t queue_idx, uint16_t nb_desc,
231 unsigned int socket_id,
232 const struct rte_eth_txconf *tx_conf);
233 void hn_vf_tx_queue_release(struct hn_data *hv, uint16_t queue_id);
234 int hn_vf_rx_queue_setup(struct rte_eth_dev *dev,
235 uint16_t queue_idx, uint16_t nb_desc,
236 unsigned int socket_id,
237 const struct rte_eth_rxconf *rx_conf,
238 struct rte_mempool *mp);
239 void hn_vf_rx_queue_release(struct hn_data *hv, uint16_t queue_id);
241 int hn_vf_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats);
242 int hn_vf_stats_reset(struct rte_eth_dev *dev);
243 int hn_vf_xstats_get_names(struct rte_eth_dev *dev,
244 struct rte_eth_xstat_name *xstats_names,
246 int hn_vf_xstats_get(struct rte_eth_dev *dev,
247 struct rte_eth_xstat *xstats,
248 unsigned int offset, unsigned int n);
249 int hn_vf_xstats_reset(struct rte_eth_dev *dev);
250 int hn_vf_rss_hash_update(struct rte_eth_dev *dev,
251 struct rte_eth_rss_conf *rss_conf);
252 int hn_vf_reta_hash_update(struct rte_eth_dev *dev,
253 struct rte_eth_rss_reta_entry64 *reta_conf,