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 16
24 #define IAVF_NUM_MACADDR_MAX 64
26 #define IAVF_DEFAULT_RX_PTHRESH 8
27 #define IAVF_DEFAULT_RX_HTHRESH 8
28 #define IAVF_DEFAULT_RX_WTHRESH 0
30 #define IAVF_DEFAULT_RX_FREE_THRESH 32
32 #define IAVF_DEFAULT_TX_PTHRESH 32
33 #define IAVF_DEFAULT_TX_HTHRESH 0
34 #define IAVF_DEFAULT_TX_WTHRESH 0
36 #define IAVF_DEFAULT_TX_FREE_THRESH 32
37 #define IAVF_DEFAULT_TX_RS_THRESH 32
39 #define IAVF_BASIC_OFFLOAD_CAPS ( \
40 VF_BASE_MODE_OFFLOADS | \
41 VIRTCHNL_VF_OFFLOAD_WB_ON_ITR | \
42 VIRTCHNL_VF_OFFLOAD_RX_POLLING)
44 #define IAVF_RSS_OFFLOAD_ALL ( \
46 ETH_RSS_NONFRAG_IPV4_TCP | \
47 ETH_RSS_NONFRAG_IPV4_UDP | \
48 ETH_RSS_NONFRAG_IPV4_SCTP | \
49 ETH_RSS_NONFRAG_IPV4_OTHER)
51 #define IAVF_MISC_VEC_ID RTE_INTR_VEC_ZERO_OFFSET
52 #define IAVF_RX_VEC_START RTE_INTR_VEC_RXTX_OFFSET
54 /* Default queue interrupt throttling time in microseconds */
55 #define IAVF_ITR_INDEX_DEFAULT 0
56 #define IAVF_QUEUE_ITR_INTERVAL_DEFAULT 32 /* 32 us */
57 #define IAVF_QUEUE_ITR_INTERVAL_MAX 8160 /* 8160 us */
59 /* The overhead from MTU to max frame size.
60 * Considering QinQ packet, the VLAN tag needs to be counted twice.
62 #define IAVF_VLAN_TAG_SIZE 4
63 #define IAVF_ETH_OVERHEAD \
64 (RTE_ETHER_HDR_LEN + RTE_ETHER_CRC_LEN + IAVF_VLAN_TAG_SIZE * 2)
66 #define IAVF_32_BIT_WIDTH (CHAR_BIT * 4)
67 #define IAVF_48_BIT_WIDTH (CHAR_BIT * 6)
68 #define IAVF_48_BIT_MASK RTE_LEN2MASK(IAVF_48_BIT_WIDTH, uint64_t)
70 #define IAVF_RX_DESC_EXT_STATUS_FLEXBH_MASK 0x03
71 #define IAVF_RX_DESC_EXT_STATUS_FLEXBH_FD_ID 0x01
77 /* Structure that defines a VSI, associated with a adapter. */
79 struct iavf_adapter *adapter; /* Backreference to associated adapter */
81 uint16_t nb_qps; /* Number of queue pairs VSI can occupy */
82 uint16_t nb_used_qps; /* Number of queue pairs VSI uses */
83 uint16_t max_macaddrs; /* Maximum number of MAC addresses */
85 uint16_t msix_intr; /* The MSIX interrupt binds to VSI */
86 struct virtchnl_eth_stats eth_stats_offset;
90 TAILQ_HEAD(iavf_flow_list, rte_flow);
92 struct iavf_flow_parser_node;
93 TAILQ_HEAD(iavf_parser_list, iavf_flow_parser_node);
95 struct iavf_fdir_conf {
96 struct virtchnl_fdir_add add_fltr;
97 struct virtchnl_fdir_del del_fltr;
103 struct iavf_fdir_info {
104 struct iavf_fdir_conf conf;
107 /* TODO: is that correct to assume the max number to be 16 ?*/
108 #define IAVF_MAX_MSIX_VECTORS 16
110 /* Message type read in admin queue from PF */
111 enum iavf_aq_result {
112 IAVF_MSG_ERR = -1, /* Meet error when accessing admin queue */
113 IAVF_MSG_NON, /* Read nothing from admin queue */
114 IAVF_MSG_SYS, /* Read system msg from admin queue */
115 IAVF_MSG_CMD, /* Read async command result */
118 /* Structure to store private data specific for VF instance. */
120 uint16_t num_queue_pairs;
121 uint16_t max_pkt_len; /* Maximum packet length */
122 uint16_t mac_num; /* Number of MAC addresses */
123 bool promisc_unicast_enabled;
124 bool promisc_multicast_enabled;
126 struct virtchnl_version_info virtchnl_version;
127 struct virtchnl_vf_resource *vf_res; /* VF resource */
128 struct virtchnl_vsi_resource *vsi_res; /* LAN VSI */
129 uint64_t supported_rxdid;
131 volatile enum virtchnl_ops pend_cmd; /* pending command not finished */
132 uint32_t cmd_retval; /* return value of the cmd response from PF */
133 uint8_t *aq_resp; /* buffer to store the adminq response from PF */
140 /* Multicast addrs */
141 struct rte_ether_addr mc_addrs[IAVF_NUM_MACADDR_MAX];
142 uint16_t mc_addrs_num; /* Multicast mac addresses number */
145 bool vf_reset; /* true for VF reset pending, false for no VF reset */
150 uint16_t nb_msix; /* number of MSI-X interrupts on Rx */
151 uint16_t msix_base; /* msix vector base from */
152 /* queue bitmask for each vector */
153 uint16_t rxq_map[IAVF_MAX_MSIX_VECTORS];
154 struct iavf_flow_list flow_list;
155 rte_spinlock_t flow_ops_lock;
156 struct iavf_parser_list rss_parser_list;
157 struct iavf_parser_list dist_parser_list;
159 struct iavf_fdir_info fdir; /* flow director info */
162 #define IAVF_MAX_PKT_TYPE 1024
164 /* Structure to store private data for each VF instance. */
165 struct iavf_adapter {
167 struct rte_eth_dev *eth_dev;
170 bool rx_bulk_alloc_allowed;
174 const uint32_t *ptype_tbl;
176 uint16_t fdir_ref_cnt;
179 /* IAVF_DEV_PRIVATE_TO */
180 #define IAVF_DEV_PRIVATE_TO_ADAPTER(adapter) \
181 ((struct iavf_adapter *)adapter)
182 #define IAVF_DEV_PRIVATE_TO_VF(adapter) \
183 (&((struct iavf_adapter *)adapter)->vf)
184 #define IAVF_DEV_PRIVATE_TO_HW(adapter) \
185 (&((struct iavf_adapter *)adapter)->hw)
188 #define IAVF_VSI_TO_HW(vsi) \
189 (&(((struct iavf_vsi *)vsi)->adapter->hw))
190 #define IAVF_VSI_TO_VF(vsi) \
191 (&(((struct iavf_vsi *)vsi)->adapter->vf))
192 #define IAVF_VSI_TO_ETH_DEV(vsi) \
193 (((struct iavf_vsi *)vsi)->adapter->eth_dev)
196 iavf_init_adminq_parameter(struct iavf_hw *hw)
198 hw->aq.num_arq_entries = IAVF_AQ_LEN;
199 hw->aq.num_asq_entries = IAVF_AQ_LEN;
200 hw->aq.arq_buf_size = IAVF_AQ_BUF_SZ;
201 hw->aq.asq_buf_size = IAVF_AQ_BUF_SZ;
204 static inline uint16_t
205 iavf_calc_itr_interval(int16_t interval)
207 if (interval < 0 || interval > IAVF_QUEUE_ITR_INTERVAL_MAX)
208 interval = IAVF_QUEUE_ITR_INTERVAL_DEFAULT;
210 /* Convert to hardware count, as writing each 1 represents 2 us */
214 /* structure used for sending and checking response of virtchnl ops */
215 struct iavf_cmd_info {
216 enum virtchnl_ops ops;
217 uint8_t *in_args; /* buffer for sending */
218 uint32_t in_args_size; /* buffer size for sending */
219 uint8_t *out_buffer; /* buffer for response */
220 uint32_t out_size; /* buffer size for response */
223 /* notify current command done. Only call in case execute
224 * _atomic_set_cmd successfully.
227 _notify_cmd(struct iavf_info *vf, uint32_t msg_ret)
229 vf->cmd_retval = msg_ret;
231 vf->pend_cmd = VIRTCHNL_OP_UNKNOWN;
234 /* clear current command. Only call in case execute
235 * _atomic_set_cmd successfully.
238 _clear_cmd(struct iavf_info *vf)
241 vf->pend_cmd = VIRTCHNL_OP_UNKNOWN;
242 vf->cmd_retval = VIRTCHNL_STATUS_SUCCESS;
245 /* Check there is pending cmd in execution. If none, set new command. */
247 _atomic_set_cmd(struct iavf_info *vf, enum virtchnl_ops ops)
249 int ret = rte_atomic32_cmpset(&vf->pend_cmd, VIRTCHNL_OP_UNKNOWN, ops);
252 PMD_DRV_LOG(ERR, "There is incomplete cmd %d", vf->pend_cmd);
257 int iavf_check_api_version(struct iavf_adapter *adapter);
258 int iavf_get_vf_resource(struct iavf_adapter *adapter);
259 void iavf_handle_virtchnl_msg(struct rte_eth_dev *dev);
260 int iavf_enable_vlan_strip(struct iavf_adapter *adapter);
261 int iavf_disable_vlan_strip(struct iavf_adapter *adapter);
262 int iavf_switch_queue(struct iavf_adapter *adapter, uint16_t qid,
264 int iavf_enable_queues(struct iavf_adapter *adapter);
265 int iavf_disable_queues(struct iavf_adapter *adapter);
266 int iavf_configure_rss_lut(struct iavf_adapter *adapter);
267 int iavf_configure_rss_key(struct iavf_adapter *adapter);
268 int iavf_configure_queues(struct iavf_adapter *adapter);
269 int iavf_get_supported_rxdid(struct iavf_adapter *adapter);
270 int iavf_config_irq_map(struct iavf_adapter *adapter);
271 void iavf_add_del_all_mac_addr(struct iavf_adapter *adapter, bool add);
272 int iavf_dev_link_update(struct rte_eth_dev *dev,
273 __rte_unused int wait_to_complete);
274 int iavf_query_stats(struct iavf_adapter *adapter,
275 struct virtchnl_eth_stats **pstats);
276 int iavf_config_promisc(struct iavf_adapter *adapter, bool enable_unicast,
277 bool enable_multicast);
278 int iavf_add_del_eth_addr(struct iavf_adapter *adapter,
279 struct rte_ether_addr *addr, bool add);
280 int iavf_add_del_vlan(struct iavf_adapter *adapter, uint16_t vlanid, bool add);
281 int iavf_fdir_add(struct iavf_adapter *adapter, struct iavf_fdir_conf *filter);
282 int iavf_fdir_del(struct iavf_adapter *adapter, struct iavf_fdir_conf *filter);
283 int iavf_fdir_check(struct iavf_adapter *adapter,
284 struct iavf_fdir_conf *filter);
285 int iavf_add_del_rss_cfg(struct iavf_adapter *adapter,
286 struct virtchnl_rss_cfg *rss_cfg, bool add);
287 int iavf_add_del_mc_addr_list(struct iavf_adapter *adapter,
288 struct rte_ether_addr *mc_addrs,
289 uint32_t mc_addrs_num, bool add);
290 #endif /* _IAVF_ETHDEV_H_ */