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 /* Buffers need to be aligned */
31 #define PAGE_SIZE 4096
35 #define PAGE_MASK (PAGE_SIZE - 1)
46 uint64_t channel_full;
49 /* Size bins in array as RFC 2819, undersized [0], 64 [1], etc */
50 uint64_t size_bins[8];
55 struct vmbus_channel *chan;
59 struct rte_mempool *txdesc_pool;
60 const struct rte_memzone *tx_rndis_mz;
62 rte_iova_t tx_rndis_iova;
64 /* Applied packet transmission aggregation limits. */
69 /* Packet transmission aggregation states */
70 struct hn_txdesc *agg_txd;
73 struct rndis_packet_msg *agg_prevpkt;
75 struct hn_stats stats;
80 struct vmbus_channel *chan;
81 struct rte_mempool *mb_pool;
82 struct rte_ring *rx_ring;
84 rte_spinlock_t ring_lock;
88 struct hn_stats stats;
91 struct hn_rx_bufinfo *rxbuf_info;
92 rte_atomic32_t rxbuf_outstanding;
96 /* multi-packet data from host */
97 struct hn_rx_bufinfo {
98 struct vmbus_channel *chan;
99 struct hn_rx_queue *rxq;
101 struct rte_mbuf_ext_shared_info shinfo;
102 } __rte_cache_aligned;
104 #define HN_INVALID_PORT UINT16_MAX
107 struct rte_vmbus_device *vmbus;
108 struct hn_rx_queue *primary;
109 rte_rwlock_t vf_lock;
117 uint32_t link_status;
120 struct rte_mem_resource *rxbuf_res; /* UIO resource for Rx */
121 uint32_t rxbuf_section_cnt; /* # of Rx sections */
122 uint32_t rx_copybreak;
123 uint16_t max_queues; /* Max available queues */
125 uint64_t rss_offloads;
127 rte_spinlock_t chim_lock;
128 struct rte_mem_resource *chim_res; /* UIO resource for Tx */
129 struct rte_bitmap *chim_bmap; /* Send buffer map */
131 uint32_t tx_copybreak;
132 uint32_t chim_szmax; /* Max size per buffer */
133 uint32_t chim_cnt; /* Max packets per buffer */
138 uint32_t rndis_agg_size;
139 uint32_t rndis_agg_pkts;
140 uint32_t rndis_agg_align;
142 volatile uint32_t rndis_pending;
143 rte_atomic32_t rndis_req_id;
144 uint8_t rndis_resp[256];
148 uint16_t rss_ind[128];
150 struct rte_eth_dev_owner owner;
152 struct vmbus_channel *channels[HN_MAX_CHANNELS];
155 static inline struct vmbus_channel *
156 hn_primary_chan(const struct hn_data *hv)
158 return hv->channels[0];
161 uint32_t hn_process_events(struct hn_data *hv, uint16_t queue_id,
164 uint16_t hn_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts,
166 uint16_t hn_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts,
169 int hn_chim_init(struct rte_eth_dev *dev);
170 void hn_chim_uninit(struct rte_eth_dev *dev);
171 int hn_dev_link_update(struct rte_eth_dev *dev, int wait);
172 int hn_dev_tx_queue_setup(struct rte_eth_dev *dev, uint16_t queue_idx,
173 uint16_t nb_desc, unsigned int socket_id,
174 const struct rte_eth_txconf *tx_conf);
175 void hn_dev_tx_queue_release(void *arg);
176 void hn_dev_tx_queue_info(struct rte_eth_dev *dev, uint16_t queue_idx,
177 struct rte_eth_txq_info *qinfo);
178 int hn_dev_tx_done_cleanup(void *arg, uint32_t free_cnt);
179 int hn_dev_tx_descriptor_status(void *arg, uint16_t offset);
181 struct hn_rx_queue *hn_rx_queue_alloc(struct hn_data *hv,
183 unsigned int socket_id);
184 int hn_dev_rx_queue_setup(struct rte_eth_dev *dev,
185 uint16_t queue_idx, uint16_t nb_desc,
186 unsigned int socket_id,
187 const struct rte_eth_rxconf *rx_conf,
188 struct rte_mempool *mp);
189 void hn_dev_rx_queue_info(struct rte_eth_dev *dev, uint16_t queue_id,
190 struct rte_eth_rxq_info *qinfo);
191 void hn_dev_rx_queue_release(void *arg);
192 uint32_t hn_dev_rx_queue_count(struct rte_eth_dev *dev, uint16_t queue_id);
193 int hn_dev_rx_queue_status(void *rxq, uint16_t offset);
194 void hn_dev_free_queues(struct rte_eth_dev *dev);
196 /* Check if VF is attached */
198 hn_vf_attached(const struct hn_data *hv)
200 return hv->vf_port != HN_INVALID_PORT;
204 * Get VF device for existing netvsc device
205 * Assumes vf_lock is held.
207 static inline struct rte_eth_dev *
208 hn_get_vf_dev(const struct hn_data *hv)
210 uint16_t vf_port = hv->vf_port;
212 if (vf_port == HN_INVALID_PORT)
215 return &rte_eth_devices[vf_port];
218 int hn_vf_info_get(struct hn_data *hv,
219 struct rte_eth_dev_info *info);
220 int hn_vf_add(struct rte_eth_dev *dev, struct hn_data *hv);
221 int hn_vf_configure(struct rte_eth_dev *dev,
222 const struct rte_eth_conf *dev_conf);
223 const uint32_t *hn_vf_supported_ptypes(struct rte_eth_dev *dev);
224 int hn_vf_start(struct rte_eth_dev *dev);
225 void hn_vf_reset(struct rte_eth_dev *dev);
226 int hn_vf_close(struct rte_eth_dev *dev);
227 int hn_vf_stop(struct rte_eth_dev *dev);
229 int hn_vf_allmulticast_enable(struct rte_eth_dev *dev);
230 int hn_vf_allmulticast_disable(struct rte_eth_dev *dev);
231 int hn_vf_promiscuous_enable(struct rte_eth_dev *dev);
232 int hn_vf_promiscuous_disable(struct rte_eth_dev *dev);
233 int hn_vf_mc_addr_list(struct rte_eth_dev *dev,
234 struct rte_ether_addr *mc_addr_set,
235 uint32_t nb_mc_addr);
237 int hn_vf_tx_queue_setup(struct rte_eth_dev *dev,
238 uint16_t queue_idx, uint16_t nb_desc,
239 unsigned int socket_id,
240 const struct rte_eth_txconf *tx_conf);
241 void hn_vf_tx_queue_release(struct hn_data *hv, uint16_t queue_id);
242 int hn_vf_tx_queue_status(struct hn_data *hv, uint16_t queue_id, uint16_t offset);
244 int hn_vf_rx_queue_setup(struct rte_eth_dev *dev,
245 uint16_t queue_idx, uint16_t nb_desc,
246 unsigned int socket_id,
247 const struct rte_eth_rxconf *rx_conf,
248 struct rte_mempool *mp);
249 void hn_vf_rx_queue_release(struct hn_data *hv, uint16_t queue_id);
251 int hn_vf_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats);
252 int hn_vf_stats_reset(struct rte_eth_dev *dev);
253 int hn_vf_xstats_get_names(struct rte_eth_dev *dev,
254 struct rte_eth_xstat_name *xstats_names,
256 int hn_vf_xstats_get(struct rte_eth_dev *dev,
257 struct rte_eth_xstat *xstats,
258 unsigned int offset, unsigned int n);
259 int hn_vf_xstats_reset(struct rte_eth_dev *dev);
260 int hn_vf_rss_hash_update(struct rte_eth_dev *dev,
261 struct rte_eth_rss_conf *rss_conf);
262 int hn_vf_reta_hash_update(struct rte_eth_dev *dev,
263 struct rte_eth_rss_reta_entry64 *reta_conf,