1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2017 Intel Corporation
5 #ifndef _IAVF_ETHDEV_H_
6 #define _IAVF_ETHDEV_H_
8 #include <rte_kvargs.h>
9 #include <iavf_prototype.h>
10 #include <iavf_adminq_cmd.h>
11 #include <iavf_type.h>
15 #define IAVF_AQ_LEN 32
16 #define IAVF_AQ_BUF_SZ 4096
17 #define IAVF_RESET_WAIT_CNT 50
18 #define IAVF_BUF_SIZE_MIN 1024
19 #define IAVF_FRAME_SIZE_MAX 9728
20 #define IAVF_QUEUE_BASE_ADDR_UNIT 128
22 #define IAVF_MAX_NUM_QUEUES_DFLT 16
23 #define IAVF_MAX_NUM_QUEUES_LV 256
24 #define IAVF_CFG_Q_NUM_PER_BUF 32
25 #define IAVF_IRQ_MAP_NUM_PER_BUF 128
27 #define IAVF_NUM_MACADDR_MAX 64
29 #define IAVF_DEFAULT_RX_PTHRESH 8
30 #define IAVF_DEFAULT_RX_HTHRESH 8
31 #define IAVF_DEFAULT_RX_WTHRESH 0
33 #define IAVF_DEFAULT_RX_FREE_THRESH 32
35 #define IAVF_DEFAULT_TX_PTHRESH 32
36 #define IAVF_DEFAULT_TX_HTHRESH 0
37 #define IAVF_DEFAULT_TX_WTHRESH 0
39 #define IAVF_DEFAULT_TX_FREE_THRESH 32
40 #define IAVF_DEFAULT_TX_RS_THRESH 32
42 #define IAVF_BASIC_OFFLOAD_CAPS ( \
43 VF_BASE_MODE_OFFLOADS | \
44 VIRTCHNL_VF_OFFLOAD_WB_ON_ITR | \
45 VIRTCHNL_VF_OFFLOAD_RX_POLLING)
47 #define IAVF_RSS_OFFLOAD_ALL ( \
49 ETH_RSS_NONFRAG_IPV4_TCP | \
50 ETH_RSS_NONFRAG_IPV4_UDP | \
51 ETH_RSS_NONFRAG_IPV4_SCTP | \
52 ETH_RSS_NONFRAG_IPV4_OTHER)
54 #define IAVF_MISC_VEC_ID RTE_INTR_VEC_ZERO_OFFSET
55 #define IAVF_RX_VEC_START RTE_INTR_VEC_RXTX_OFFSET
57 /* Default queue interrupt throttling time in microseconds */
58 #define IAVF_ITR_INDEX_DEFAULT 0
59 #define IAVF_QUEUE_ITR_INTERVAL_DEFAULT 32 /* 32 us */
60 #define IAVF_QUEUE_ITR_INTERVAL_MAX 8160 /* 8160 us */
62 /* The overhead from MTU to max frame size.
63 * Considering QinQ packet, the VLAN tag needs to be counted twice.
65 #define IAVF_VLAN_TAG_SIZE 4
66 #define IAVF_ETH_OVERHEAD \
67 (RTE_ETHER_HDR_LEN + RTE_ETHER_CRC_LEN + IAVF_VLAN_TAG_SIZE * 2)
69 #define IAVF_32_BIT_WIDTH (CHAR_BIT * 4)
70 #define IAVF_48_BIT_WIDTH (CHAR_BIT * 6)
71 #define IAVF_48_BIT_MASK RTE_LEN2MASK(IAVF_48_BIT_WIDTH, uint64_t)
73 #define IAVF_RX_DESC_EXT_STATUS_FLEXBH_MASK 0x03
74 #define IAVF_RX_DESC_EXT_STATUS_FLEXBH_FD_ID 0x01
80 /* Structure that defines a VSI, associated with a adapter. */
82 struct iavf_adapter *adapter; /* Backreference to associated adapter */
84 uint16_t nb_qps; /* Number of queue pairs VSI can occupy */
85 uint16_t nb_used_qps; /* Number of queue pairs VSI uses */
86 uint16_t max_macaddrs; /* Maximum number of MAC addresses */
88 uint16_t msix_intr; /* The MSIX interrupt binds to VSI */
89 struct virtchnl_eth_stats eth_stats_offset;
93 TAILQ_HEAD(iavf_flow_list, rte_flow);
95 struct iavf_flow_parser_node;
96 TAILQ_HEAD(iavf_parser_list, iavf_flow_parser_node);
98 struct iavf_fdir_conf {
99 struct virtchnl_fdir_add add_fltr;
100 struct virtchnl_fdir_del del_fltr;
106 struct iavf_fdir_info {
107 struct iavf_fdir_conf conf;
115 /* Message type read in admin queue from PF */
116 enum iavf_aq_result {
117 IAVF_MSG_ERR = -1, /* Meet error when accessing admin queue */
118 IAVF_MSG_NON, /* Read nothing from admin queue */
119 IAVF_MSG_SYS, /* Read system msg from admin queue */
120 IAVF_MSG_CMD, /* Read async command result */
123 /* Structure to store private data specific for VF instance. */
125 uint16_t num_queue_pairs;
126 uint16_t max_pkt_len; /* Maximum packet length */
127 uint16_t mac_num; /* Number of MAC addresses */
128 bool promisc_unicast_enabled;
129 bool promisc_multicast_enabled;
131 struct virtchnl_version_info virtchnl_version;
132 struct virtchnl_vf_resource *vf_res; /* VF resource */
133 struct virtchnl_vsi_resource *vsi_res; /* LAN VSI */
134 uint64_t supported_rxdid;
136 volatile enum virtchnl_ops pend_cmd; /* pending command not finished */
137 uint32_t cmd_retval; /* return value of the cmd response from PF */
138 uint8_t *aq_resp; /* buffer to store the adminq response from PF */
145 /* Multicast addrs */
146 struct rte_ether_addr mc_addrs[IAVF_NUM_MACADDR_MAX];
147 uint16_t mc_addrs_num; /* Multicast mac addresses number */
150 bool vf_reset; /* true for VF reset pending, false for no VF reset */
155 uint16_t nb_msix; /* number of MSI-X interrupts on Rx */
156 uint16_t msix_base; /* msix vector base from */
157 uint16_t max_rss_qregion; /* max RSS queue region supported by PF */
158 struct iavf_qv_map *qv_map; /* queue vector mapping */
159 struct iavf_flow_list flow_list;
160 rte_spinlock_t flow_ops_lock;
161 struct iavf_parser_list rss_parser_list;
162 struct iavf_parser_list dist_parser_list;
164 struct iavf_fdir_info fdir; /* flow director info */
165 /* indicate large VF support enabled or not */
169 #define IAVF_MAX_PKT_TYPE 1024
171 /* Structure to store private data for each VF instance. */
172 struct iavf_adapter {
174 struct rte_eth_dev *eth_dev;
177 bool rx_bulk_alloc_allowed;
181 const uint32_t *ptype_tbl;
183 uint16_t fdir_ref_cnt;
186 /* IAVF_DEV_PRIVATE_TO */
187 #define IAVF_DEV_PRIVATE_TO_ADAPTER(adapter) \
188 ((struct iavf_adapter *)adapter)
189 #define IAVF_DEV_PRIVATE_TO_VF(adapter) \
190 (&((struct iavf_adapter *)adapter)->vf)
191 #define IAVF_DEV_PRIVATE_TO_HW(adapter) \
192 (&((struct iavf_adapter *)adapter)->hw)
195 #define IAVF_VSI_TO_HW(vsi) \
196 (&(((struct iavf_vsi *)vsi)->adapter->hw))
197 #define IAVF_VSI_TO_VF(vsi) \
198 (&(((struct iavf_vsi *)vsi)->adapter->vf))
199 #define IAVF_VSI_TO_ETH_DEV(vsi) \
200 (((struct iavf_vsi *)vsi)->adapter->eth_dev)
203 iavf_init_adminq_parameter(struct iavf_hw *hw)
205 hw->aq.num_arq_entries = IAVF_AQ_LEN;
206 hw->aq.num_asq_entries = IAVF_AQ_LEN;
207 hw->aq.arq_buf_size = IAVF_AQ_BUF_SZ;
208 hw->aq.asq_buf_size = IAVF_AQ_BUF_SZ;
211 static inline uint16_t
212 iavf_calc_itr_interval(int16_t interval)
214 if (interval < 0 || interval > IAVF_QUEUE_ITR_INTERVAL_MAX)
215 interval = IAVF_QUEUE_ITR_INTERVAL_DEFAULT;
217 /* Convert to hardware count, as writing each 1 represents 2 us */
221 /* structure used for sending and checking response of virtchnl ops */
222 struct iavf_cmd_info {
223 enum virtchnl_ops ops;
224 uint8_t *in_args; /* buffer for sending */
225 uint32_t in_args_size; /* buffer size for sending */
226 uint8_t *out_buffer; /* buffer for response */
227 uint32_t out_size; /* buffer size for response */
230 /* notify current command done. Only call in case execute
231 * _atomic_set_cmd successfully.
234 _notify_cmd(struct iavf_info *vf, uint32_t msg_ret)
236 vf->cmd_retval = msg_ret;
238 vf->pend_cmd = VIRTCHNL_OP_UNKNOWN;
241 /* clear current command. Only call in case execute
242 * _atomic_set_cmd successfully.
245 _clear_cmd(struct iavf_info *vf)
248 vf->pend_cmd = VIRTCHNL_OP_UNKNOWN;
249 vf->cmd_retval = VIRTCHNL_STATUS_SUCCESS;
252 /* Check there is pending cmd in execution. If none, set new command. */
254 _atomic_set_cmd(struct iavf_info *vf, enum virtchnl_ops ops)
256 int ret = rte_atomic32_cmpset(&vf->pend_cmd, VIRTCHNL_OP_UNKNOWN, ops);
259 PMD_DRV_LOG(ERR, "There is incomplete cmd %d", vf->pend_cmd);
264 int iavf_check_api_version(struct iavf_adapter *adapter);
265 int iavf_get_vf_resource(struct iavf_adapter *adapter);
266 void iavf_handle_virtchnl_msg(struct rte_eth_dev *dev);
267 int iavf_enable_vlan_strip(struct iavf_adapter *adapter);
268 int iavf_disable_vlan_strip(struct iavf_adapter *adapter);
269 int iavf_switch_queue(struct iavf_adapter *adapter, uint16_t qid,
271 int iavf_enable_queues(struct iavf_adapter *adapter);
272 int iavf_disable_queues(struct iavf_adapter *adapter);
273 int iavf_configure_rss_lut(struct iavf_adapter *adapter);
274 int iavf_configure_rss_key(struct iavf_adapter *adapter);
275 int iavf_configure_queues(struct iavf_adapter *adapter,
276 uint16_t num_queue_pairs, uint16_t index);
277 int iavf_get_supported_rxdid(struct iavf_adapter *adapter);
278 int iavf_config_irq_map(struct iavf_adapter *adapter);
279 int iavf_config_irq_map_lv(struct iavf_adapter *adapter, uint16_t num,
281 void iavf_add_del_all_mac_addr(struct iavf_adapter *adapter, bool add);
282 int iavf_dev_link_update(struct rte_eth_dev *dev,
283 __rte_unused int wait_to_complete);
284 int iavf_query_stats(struct iavf_adapter *adapter,
285 struct virtchnl_eth_stats **pstats);
286 int iavf_config_promisc(struct iavf_adapter *adapter, bool enable_unicast,
287 bool enable_multicast);
288 int iavf_add_del_eth_addr(struct iavf_adapter *adapter,
289 struct rte_ether_addr *addr, bool add);
290 int iavf_add_del_vlan(struct iavf_adapter *adapter, uint16_t vlanid, bool add);
291 int iavf_fdir_add(struct iavf_adapter *adapter, struct iavf_fdir_conf *filter);
292 int iavf_fdir_del(struct iavf_adapter *adapter, struct iavf_fdir_conf *filter);
293 int iavf_fdir_check(struct iavf_adapter *adapter,
294 struct iavf_fdir_conf *filter);
295 int iavf_add_del_rss_cfg(struct iavf_adapter *adapter,
296 struct virtchnl_rss_cfg *rss_cfg, bool add);
297 int iavf_add_del_mc_addr_list(struct iavf_adapter *adapter,
298 struct rte_ether_addr *mc_addrs,
299 uint32_t mc_addrs_num, bool add);
300 int iavf_request_queues(struct iavf_adapter *adapter, uint16_t num);
301 int iavf_get_max_rss_queue_region(struct iavf_adapter *adapter);
302 #endif /* _IAVF_ETHDEV_H_ */