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 "base/iavf_type.h"
11 #define IAVF_AQ_LEN 32
12 #define IAVF_AQ_BUF_SZ 4096
13 #define IAVF_RESET_WAIT_CNT 50
14 #define IAVF_BUF_SIZE_MIN 1024
15 #define IAVF_FRAME_SIZE_MAX 9728
16 #define IAVF_QUEUE_BASE_ADDR_UNIT 128
18 #define IAVF_MAX_NUM_QUEUES 16
20 #define IAVF_NUM_MACADDR_MAX 64
22 #define IAVF_DEFAULT_RX_PTHRESH 8
23 #define IAVF_DEFAULT_RX_HTHRESH 8
24 #define IAVF_DEFAULT_RX_WTHRESH 0
26 #define IAVF_DEFAULT_RX_FREE_THRESH 32
28 #define IAVF_DEFAULT_TX_PTHRESH 32
29 #define IAVF_DEFAULT_TX_HTHRESH 0
30 #define IAVF_DEFAULT_TX_WTHRESH 0
32 #define IAVF_DEFAULT_TX_FREE_THRESH 32
33 #define IAVF_DEFAULT_TX_RS_THRESH 32
35 #define IAVF_BASIC_OFFLOAD_CAPS ( \
36 VF_BASE_MODE_OFFLOADS | \
37 VIRTCHNL_VF_OFFLOAD_WB_ON_ITR | \
38 VIRTCHNL_VF_OFFLOAD_RX_POLLING)
40 #define IAVF_RSS_OFFLOAD_ALL ( \
42 ETH_RSS_NONFRAG_IPV4_TCP | \
43 ETH_RSS_NONFRAG_IPV4_UDP | \
44 ETH_RSS_NONFRAG_IPV4_SCTP | \
45 ETH_RSS_NONFRAG_IPV4_OTHER)
47 #define IAVF_MISC_VEC_ID RTE_INTR_VEC_ZERO_OFFSET
48 #define IAVF_RX_VEC_START RTE_INTR_VEC_RXTX_OFFSET
50 /* Default queue interrupt throttling time in microseconds */
51 #define IAVF_ITR_INDEX_DEFAULT 0
52 #define IAVF_QUEUE_ITR_INTERVAL_DEFAULT 32 /* 32 us */
53 #define IAVF_QUEUE_ITR_INTERVAL_MAX 8160 /* 8160 us */
55 /* The overhead from MTU to max frame size.
56 * Considering QinQ packet, the VLAN tag needs to be counted twice.
58 #define IAVF_VLAN_TAG_SIZE 4
59 #define IAVF_ETH_OVERHEAD \
60 (RTE_ETHER_HDR_LEN + RTE_ETHER_CRC_LEN + IAVF_VLAN_TAG_SIZE * 2)
62 #define IAVF_32_BIT_WIDTH (CHAR_BIT * 4)
63 #define IAVF_48_BIT_WIDTH (CHAR_BIT * 6)
64 #define IAVF_48_BIT_MASK RTE_LEN2MASK(IAVF_48_BIT_WIDTH, uint64_t)
70 /* Structure that defines a VSI, associated with a adapter. */
72 struct iavf_adapter *adapter; /* Backreference to associated adapter */
74 uint16_t nb_qps; /* Number of queue pairs VSI can occupy */
75 uint16_t nb_used_qps; /* Number of queue pairs VSI uses */
76 uint16_t max_macaddrs; /* Maximum number of MAC addresses */
78 uint16_t msix_intr; /* The MSIX interrupt binds to VSI */
79 struct virtchnl_eth_stats eth_stats_offset;
82 /* TODO: is that correct to assume the max number to be 16 ?*/
83 #define IAVF_MAX_MSIX_VECTORS 16
85 /* Structure to store private data specific for VF instance. */
87 uint16_t num_queue_pairs;
88 uint16_t max_pkt_len; /* Maximum packet length */
89 uint16_t mac_num; /* Number of MAC addresses */
90 bool promisc_unicast_enabled;
91 bool promisc_multicast_enabled;
93 struct virtchnl_version_info virtchnl_version;
94 struct virtchnl_vf_resource *vf_res; /* VF resource */
95 struct virtchnl_vsi_resource *vsi_res; /* LAN VSI */
97 volatile enum virtchnl_ops pend_cmd; /* pending command not finished */
98 uint32_t cmd_retval; /* return value of the cmd response from PF */
99 uint8_t *aq_resp; /* buffer to store the adminq response from PF */
112 uint16_t nb_msix; /* number of MSI-X interrupts on Rx */
113 uint16_t msix_base; /* msix vector base from */
114 /* queue bitmask for each vector */
115 uint16_t rxq_map[IAVF_MAX_MSIX_VECTORS];
118 #define IAVF_MAX_PKT_TYPE 256
120 /* Structure to store private data for each VF instance. */
121 struct iavf_adapter {
123 struct rte_eth_dev *eth_dev;
126 bool rx_bulk_alloc_allowed;
132 /* IAVF_DEV_PRIVATE_TO */
133 #define IAVF_DEV_PRIVATE_TO_ADAPTER(adapter) \
134 ((struct iavf_adapter *)adapter)
135 #define IAVF_DEV_PRIVATE_TO_VF(adapter) \
136 (&((struct iavf_adapter *)adapter)->vf)
137 #define IAVF_DEV_PRIVATE_TO_HW(adapter) \
138 (&((struct iavf_adapter *)adapter)->hw)
141 #define IAVF_VSI_TO_HW(vsi) \
142 (&(((struct iavf_vsi *)vsi)->adapter->hw))
143 #define IAVF_VSI_TO_VF(vsi) \
144 (&(((struct iavf_vsi *)vsi)->adapter->vf))
145 #define IAVF_VSI_TO_ETH_DEV(vsi) \
146 (((struct iavf_vsi *)vsi)->adapter->eth_dev)
149 iavf_init_adminq_parameter(struct iavf_hw *hw)
151 hw->aq.num_arq_entries = IAVF_AQ_LEN;
152 hw->aq.num_asq_entries = IAVF_AQ_LEN;
153 hw->aq.arq_buf_size = IAVF_AQ_BUF_SZ;
154 hw->aq.asq_buf_size = IAVF_AQ_BUF_SZ;
157 static inline uint16_t
158 iavf_calc_itr_interval(int16_t interval)
160 if (interval < 0 || interval > IAVF_QUEUE_ITR_INTERVAL_MAX)
161 interval = IAVF_QUEUE_ITR_INTERVAL_DEFAULT;
163 /* Convert to hardware count, as writing each 1 represents 2 us */
167 /* structure used for sending and checking response of virtchnl ops */
168 struct iavf_cmd_info {
169 enum virtchnl_ops ops;
170 uint8_t *in_args; /* buffer for sending */
171 uint32_t in_args_size; /* buffer size for sending */
172 uint8_t *out_buffer; /* buffer for response */
173 uint32_t out_size; /* buffer size for response */
176 /* clear current command. Only call in case execute
177 * _atomic_set_cmd successfully.
180 _clear_cmd(struct iavf_info *vf)
183 vf->pend_cmd = VIRTCHNL_OP_UNKNOWN;
184 vf->cmd_retval = VIRTCHNL_STATUS_SUCCESS;
187 /* Check there is pending cmd in execution. If none, set new command. */
189 _atomic_set_cmd(struct iavf_info *vf, enum virtchnl_ops ops)
191 int ret = rte_atomic32_cmpset(&vf->pend_cmd, VIRTCHNL_OP_UNKNOWN, ops);
194 PMD_DRV_LOG(ERR, "There is incomplete cmd %d", vf->pend_cmd);
199 int iavf_check_api_version(struct iavf_adapter *adapter);
200 int iavf_get_vf_resource(struct iavf_adapter *adapter);
201 void iavf_handle_virtchnl_msg(struct rte_eth_dev *dev);
202 int iavf_enable_vlan_strip(struct iavf_adapter *adapter);
203 int iavf_disable_vlan_strip(struct iavf_adapter *adapter);
204 int iavf_switch_queue(struct iavf_adapter *adapter, uint16_t qid,
206 int iavf_enable_queues(struct iavf_adapter *adapter);
207 int iavf_disable_queues(struct iavf_adapter *adapter);
208 int iavf_configure_rss_lut(struct iavf_adapter *adapter);
209 int iavf_configure_rss_key(struct iavf_adapter *adapter);
210 int iavf_configure_queues(struct iavf_adapter *adapter);
211 int iavf_config_irq_map(struct iavf_adapter *adapter);
212 void iavf_add_del_all_mac_addr(struct iavf_adapter *adapter, bool add);
213 int iavf_dev_link_update(struct rte_eth_dev *dev,
214 __rte_unused int wait_to_complete);
215 int iavf_query_stats(struct iavf_adapter *adapter,
216 struct virtchnl_eth_stats **pstats);
217 int iavf_config_promisc(struct iavf_adapter *adapter, bool enable_unicast,
218 bool enable_multicast);
219 int iavf_add_del_eth_addr(struct iavf_adapter *adapter,
220 struct rte_ether_addr *addr, bool add);
221 int iavf_add_del_vlan(struct iavf_adapter *adapter, uint16_t vlanid, bool add);
222 #endif /* _IAVF_ETHDEV_H_ */