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;
56 /* Applied packet transmission aggregation limits. */
61 /* Packet transmission aggregation states */
62 struct hn_txdesc *agg_txd;
65 struct rndis_packet_msg *agg_prevpkt;
67 struct hn_stats stats;
72 struct vmbus_channel *chan;
73 struct rte_mempool *mb_pool;
74 struct rte_ring *rx_ring;
76 rte_spinlock_t ring_lock;
80 struct hn_stats stats;
86 /* multi-packet data from host */
87 struct hn_rx_bufinfo {
88 struct vmbus_channel *chan;
91 struct rte_mbuf_ext_shared_info shinfo;
92 } __rte_cache_aligned;
94 #define HN_INVALID_PORT UINT16_MAX
97 struct rte_vmbus_device *vmbus;
98 struct hn_rx_queue *primary;
99 rte_spinlock_t vf_lock;
107 uint32_t link_status;
110 struct rte_mem_resource *rxbuf_res; /* UIO resource for Rx */
111 struct hn_rx_bufinfo *rxbuf_info;
112 uint32_t rxbuf_section_cnt; /* # of Rx sections */
113 volatile uint32_t rxbuf_outstanding;
114 uint16_t max_queues; /* Max available queues */
116 uint64_t rss_offloads;
118 struct rte_mem_resource *chim_res; /* UIO resource for Tx */
119 struct rte_mempool *tx_pool; /* Tx descriptors */
120 uint32_t chim_szmax; /* Max size per buffer */
121 uint32_t chim_cnt; /* Max packets per buffer */
126 uint32_t rndis_agg_size;
127 uint32_t rndis_agg_pkts;
128 uint32_t rndis_agg_align;
130 volatile uint32_t rndis_pending;
131 rte_atomic32_t rndis_req_id;
132 uint8_t rndis_resp[256];
136 uint16_t rss_ind[128];
138 struct rte_ether_addr mac_addr;
140 struct rte_eth_dev_owner owner;
141 struct rte_intr_handle vf_intr;
143 struct vmbus_channel *channels[HN_MAX_CHANNELS];
146 static inline struct vmbus_channel *
147 hn_primary_chan(const struct hn_data *hv)
149 return hv->channels[0];
152 uint32_t hn_process_events(struct hn_data *hv, uint16_t queue_id,
155 uint16_t hn_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts,
157 uint16_t hn_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts,
160 int hn_tx_pool_init(struct rte_eth_dev *dev);
161 void hn_tx_pool_uninit(struct rte_eth_dev *dev);
162 int hn_dev_link_update(struct rte_eth_dev *dev, int wait);
163 int hn_dev_tx_queue_setup(struct rte_eth_dev *dev, uint16_t queue_idx,
164 uint16_t nb_desc, unsigned int socket_id,
165 const struct rte_eth_txconf *tx_conf);
166 void hn_dev_tx_queue_release(void *arg);
167 void hn_dev_tx_queue_info(struct rte_eth_dev *dev, uint16_t queue_idx,
168 struct rte_eth_txq_info *qinfo);
169 int hn_dev_tx_done_cleanup(void *arg, uint32_t free_cnt);
171 struct hn_rx_queue *hn_rx_queue_alloc(struct hn_data *hv,
173 unsigned int socket_id);
174 int hn_dev_rx_queue_setup(struct rte_eth_dev *dev,
175 uint16_t queue_idx, uint16_t nb_desc,
176 unsigned int socket_id,
177 const struct rte_eth_rxconf *rx_conf,
178 struct rte_mempool *mp);
179 void hn_dev_rx_queue_release(void *arg);
180 void hn_dev_free_queues(struct rte_eth_dev *dev);
182 /* Check if VF is attached */
184 hn_vf_attached(const struct hn_data *hv)
186 return hv->vf_port != HN_INVALID_PORT;
189 /* Get VF device for existing netvsc device */
190 static inline struct rte_eth_dev *
191 hn_get_vf_dev(const struct hn_data *hv)
193 uint16_t vf_port = hv->vf_port;
195 /* make sure vf_port is loaded */
198 if (vf_port == HN_INVALID_PORT)
201 return &rte_eth_devices[vf_port];
204 int hn_vf_info_get(struct hn_data *hv,
205 struct rte_eth_dev_info *info);
206 int hn_vf_add(struct rte_eth_dev *dev, struct hn_data *hv);
207 int hn_vf_configure(struct rte_eth_dev *dev,
208 const struct rte_eth_conf *dev_conf);
209 const uint32_t *hn_vf_supported_ptypes(struct rte_eth_dev *dev);
210 int hn_vf_start(struct rte_eth_dev *dev);
211 void hn_vf_reset(struct rte_eth_dev *dev);
212 void hn_vf_stop(struct rte_eth_dev *dev);
213 void hn_vf_close(struct rte_eth_dev *dev);
215 int hn_vf_allmulticast_enable(struct rte_eth_dev *dev);
216 int hn_vf_allmulticast_disable(struct rte_eth_dev *dev);
217 int hn_vf_promiscuous_enable(struct rte_eth_dev *dev);
218 int hn_vf_promiscuous_disable(struct rte_eth_dev *dev);
219 int hn_vf_mc_addr_list(struct rte_eth_dev *dev,
220 struct rte_ether_addr *mc_addr_set,
221 uint32_t nb_mc_addr);
223 int hn_vf_link_update(struct rte_eth_dev *dev,
224 int wait_to_complete);
225 int hn_vf_tx_queue_setup(struct rte_eth_dev *dev,
226 uint16_t queue_idx, uint16_t nb_desc,
227 unsigned int socket_id,
228 const struct rte_eth_txconf *tx_conf);
229 void hn_vf_tx_queue_release(struct hn_data *hv, uint16_t queue_id);
230 int hn_vf_rx_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_rxconf *rx_conf,
234 struct rte_mempool *mp);
235 void hn_vf_rx_queue_release(struct hn_data *hv, uint16_t queue_id);
237 int hn_vf_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats);
238 int hn_vf_stats_reset(struct rte_eth_dev *dev);
239 int hn_vf_xstats_get_names(struct rte_eth_dev *dev,
240 struct rte_eth_xstat_name *xstats_names,
242 int hn_vf_xstats_get(struct rte_eth_dev *dev,
243 struct rte_eth_xstat *xstats,
244 unsigned int offset, unsigned int n);
245 int hn_vf_xstats_reset(struct rte_eth_dev *dev);
246 int hn_vf_rss_hash_update(struct rte_eth_dev *dev,
247 struct rte_eth_rss_conf *rss_conf);
248 int hn_vf_reta_hash_update(struct rte_eth_dev *dev,
249 struct rte_eth_rss_reta_entry64 *reta_conf,