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)
43 uint64_t channel_full;
46 /* Size bins in array as RFC 2819, undersized [0], 64 [1], etc */
47 uint64_t size_bins[8];
52 struct vmbus_channel *chan;
56 struct rte_mempool *txdesc_pool;
59 /* Applied packet transmission aggregation limits. */
64 /* Packet transmission aggregation states */
65 struct hn_txdesc *agg_txd;
68 struct rndis_packet_msg *agg_prevpkt;
70 struct hn_stats stats;
75 struct vmbus_channel *chan;
76 struct rte_mempool *mb_pool;
77 struct rte_ring *rx_ring;
79 rte_spinlock_t ring_lock;
83 struct hn_stats stats;
89 /* multi-packet data from host */
90 struct hn_rx_bufinfo {
91 struct vmbus_channel *chan;
94 struct rte_mbuf_ext_shared_info shinfo;
95 } __rte_cache_aligned;
97 #define HN_INVALID_PORT UINT16_MAX
100 struct rte_vmbus_device *vmbus;
101 struct hn_rx_queue *primary;
102 rte_rwlock_t vf_lock;
110 uint32_t link_status;
113 struct rte_mem_resource *rxbuf_res; /* UIO resource for Rx */
114 struct hn_rx_bufinfo *rxbuf_info;
115 uint32_t rxbuf_section_cnt; /* # of Rx sections */
116 volatile uint32_t rxbuf_outstanding;
117 uint16_t max_queues; /* Max available queues */
119 uint64_t rss_offloads;
121 rte_spinlock_t chim_lock;
122 struct rte_mem_resource *chim_res; /* UIO resource for Tx */
123 struct rte_bitmap *chim_bmap; /* Send buffer map */
125 uint32_t chim_szmax; /* Max size per buffer */
126 uint32_t chim_cnt; /* Max packets per buffer */
131 uint32_t rndis_agg_size;
132 uint32_t rndis_agg_pkts;
133 uint32_t rndis_agg_align;
135 volatile uint32_t rndis_pending;
136 rte_atomic32_t rndis_req_id;
137 uint8_t rndis_resp[256];
141 uint16_t rss_ind[128];
143 struct rte_eth_dev_owner owner;
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);
172 int hn_dev_tx_descriptor_status(void *arg, uint16_t offset);
174 struct hn_rx_queue *hn_rx_queue_alloc(struct hn_data *hv,
176 unsigned int socket_id);
177 int hn_dev_rx_queue_setup(struct rte_eth_dev *dev,
178 uint16_t queue_idx, uint16_t nb_desc,
179 unsigned int socket_id,
180 const struct rte_eth_rxconf *rx_conf,
181 struct rte_mempool *mp);
182 void hn_dev_rx_queue_info(struct rte_eth_dev *dev, uint16_t queue_id,
183 struct rte_eth_rxq_info *qinfo);
184 void hn_dev_rx_queue_release(void *arg);
185 uint32_t hn_dev_rx_queue_count(struct rte_eth_dev *dev, uint16_t queue_id);
186 int hn_dev_rx_queue_status(void *rxq, uint16_t offset);
187 void hn_dev_free_queues(struct rte_eth_dev *dev);
189 /* Check if VF is attached */
191 hn_vf_attached(const struct hn_data *hv)
193 return hv->vf_port != HN_INVALID_PORT;
197 * Get VF device for existing netvsc device
198 * Assumes vf_lock is held.
200 static inline struct rte_eth_dev *
201 hn_get_vf_dev(const struct hn_data *hv)
203 uint16_t vf_port = hv->vf_port;
205 if (vf_port == HN_INVALID_PORT)
208 return &rte_eth_devices[vf_port];
211 int hn_vf_info_get(struct hn_data *hv,
212 struct rte_eth_dev_info *info);
213 int hn_vf_add(struct rte_eth_dev *dev, struct hn_data *hv);
214 int hn_vf_configure(struct rte_eth_dev *dev,
215 const struct rte_eth_conf *dev_conf);
216 const uint32_t *hn_vf_supported_ptypes(struct rte_eth_dev *dev);
217 int hn_vf_start(struct rte_eth_dev *dev);
218 void hn_vf_reset(struct rte_eth_dev *dev);
219 void hn_vf_stop(struct rte_eth_dev *dev);
220 void hn_vf_close(struct rte_eth_dev *dev);
222 int hn_vf_allmulticast_enable(struct rte_eth_dev *dev);
223 int hn_vf_allmulticast_disable(struct rte_eth_dev *dev);
224 int hn_vf_promiscuous_enable(struct rte_eth_dev *dev);
225 int hn_vf_promiscuous_disable(struct rte_eth_dev *dev);
226 int hn_vf_mc_addr_list(struct rte_eth_dev *dev,
227 struct rte_ether_addr *mc_addr_set,
228 uint32_t nb_mc_addr);
230 int hn_vf_tx_queue_setup(struct rte_eth_dev *dev,
231 uint16_t queue_idx, uint16_t nb_desc,
232 unsigned int socket_id,
233 const struct rte_eth_txconf *tx_conf);
234 void hn_vf_tx_queue_release(struct hn_data *hv, uint16_t queue_id);
235 int hn_vf_tx_queue_status(struct hn_data *hv, uint16_t queue_id, uint16_t offset);
237 int hn_vf_rx_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_rxconf *rx_conf,
241 struct rte_mempool *mp);
242 void hn_vf_rx_queue_release(struct hn_data *hv, uint16_t queue_id);
244 int hn_vf_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats);
245 int hn_vf_stats_reset(struct rte_eth_dev *dev);
246 int hn_vf_xstats_get_names(struct rte_eth_dev *dev,
247 struct rte_eth_xstat_name *xstats_names,
249 int hn_vf_xstats_get(struct rte_eth_dev *dev,
250 struct rte_eth_xstat *xstats,
251 unsigned int offset, unsigned int n);
252 int hn_vf_xstats_reset(struct rte_eth_dev *dev);
253 int hn_vf_rss_hash_update(struct rte_eth_dev *dev,
254 struct rte_eth_rss_conf *rss_conf);
255 int hn_vf_reta_hash_update(struct rte_eth_dev *dev,
256 struct rte_eth_rss_reta_entry64 *reta_conf,