--- /dev/null
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2017 Intel Corporation
+ */
+
+#ifndef _AVF_ETHDEV_H_
+#define _AVF_ETHDEV_H_
+
+#include <rte_kvargs.h>
+
+#define AVF_AQ_LEN 32
+#define AVF_AQ_BUF_SZ 4096
+#define AVF_RESET_WAIT_CNT 50
+#define AVF_BUF_SIZE_MIN 1024
+#define AVF_FRAME_SIZE_MAX 9728
+#define AVF_QUEUE_BASE_ADDR_UNIT 128
+
+#define AVF_MAX_NUM_QUEUES 16
+
+#define AVF_NUM_MACADDR_MAX 64
+
+#define AVF_DEFAULT_RX_PTHRESH 8
+#define AVF_DEFAULT_RX_HTHRESH 8
+#define AVF_DEFAULT_RX_WTHRESH 0
+
+#define AVF_DEFAULT_RX_FREE_THRESH 32
+
+#define AVF_DEFAULT_TX_PTHRESH 32
+#define AVF_DEFAULT_TX_HTHRESH 0
+#define AVF_DEFAULT_TX_WTHRESH 0
+
+#define AVF_DEFAULT_TX_FREE_THRESH 32
+#define AVF_DEFAULT_TX_RS_THRESH 32
+
+#define AVF_BASIC_OFFLOAD_CAPS ( \
+ VF_BASE_MODE_OFFLOADS | \
+ VIRTCHNL_VF_OFFLOAD_WB_ON_ITR | \
+ VIRTCHNL_VF_OFFLOAD_RX_POLLING)
+
+#define AVF_RSS_OFFLOAD_ALL ( \
+ ETH_RSS_FRAG_IPV4 | \
+ ETH_RSS_NONFRAG_IPV4_TCP | \
+ ETH_RSS_NONFRAG_IPV4_UDP | \
+ ETH_RSS_NONFRAG_IPV4_SCTP | \
+ ETH_RSS_NONFRAG_IPV4_OTHER)
+
+#define AVF_MISC_VEC_ID RTE_INTR_VEC_ZERO_OFFSET
+#define AVF_RX_VEC_START RTE_INTR_VEC_RXTX_OFFSET
+
+/* Default queue interrupt throttling time in microseconds */
+#define AVF_ITR_INDEX_DEFAULT 0
+#define AVF_QUEUE_ITR_INTERVAL_DEFAULT 32 /* 32 us */
+#define AVF_QUEUE_ITR_INTERVAL_MAX 8160 /* 8160 us */
+
+/* The overhead from MTU to max frame size.
+ * Considering QinQ packet, the VLAN tag needs to be counted twice.
+ */
+#define AVF_VLAN_TAG_SIZE 4
+#define AVF_ETH_OVERHEAD \
+ (ETHER_HDR_LEN + ETHER_CRC_LEN + AVF_VLAN_TAG_SIZE * 2)
+
+struct avf_adapter;
+struct avf_rx_queue;
+struct avf_tx_queue;
+
+/* Structure that defines a VSI, associated with a adapter. */
+struct avf_vsi {
+ struct avf_adapter *adapter; /* Backreference to associated adapter */
+ uint16_t vsi_id;
+ uint16_t nb_qps; /* Number of queue pairs VSI can occupy */
+ uint16_t nb_used_qps; /* Number of queue pairs VSI uses */
+ uint16_t max_macaddrs; /* Maximum number of MAC addresses */
+ uint16_t base_vector;
+ uint16_t msix_intr; /* The MSIX interrupt binds to VSI */
+};
+
+/* TODO: is that correct to assume the max number to be 16 ?*/
+#define AVF_MAX_MSIX_VECTORS 16
+
+/* Structure to store private data specific for VF instance. */
+struct avf_info {
+ uint16_t num_queue_pairs;
+ uint16_t max_pkt_len; /* Maximum packet length */
+ uint16_t mac_num; /* Number of MAC addresses */
+ bool promisc_unicast_enabled;
+ bool promisc_multicast_enabled;
+
+ struct virtchnl_version_info virtchnl_version;
+ struct virtchnl_vf_resource *vf_res; /* VF resource */
+ struct virtchnl_vsi_resource *vsi_res; /* LAN VSI */
+
+ volatile enum virtchnl_ops pend_cmd; /* pending command not finished */
+ uint32_t cmd_retval; /* return value of the cmd response from PF */
+ uint8_t *aq_resp; /* buffer to store the adminq response from PF */
+
+ /* Event from pf */
+ bool dev_closed;
+ bool link_up;
+ enum virtchnl_link_speed link_speed;
+
+ struct avf_vsi vsi;
+ bool vf_reset;
+ uint64_t flags;
+
+ uint8_t *rss_lut;
+ uint8_t *rss_key;
+ uint16_t nb_msix; /* number of MSI-X interrupts on Rx */
+ uint16_t msix_base; /* msix vector base from */
+ /* queue bitmask for each vector */
+ uint16_t rxq_map[AVF_MAX_MSIX_VECTORS];
+};
+
+#define AVF_MAX_PKT_TYPE 256
+
+/* Structure to store private data for each VF instance. */
+struct avf_adapter {
+ struct avf_hw hw;
+ struct rte_eth_dev *eth_dev;
+ struct avf_info vf;
+
+ bool rx_bulk_alloc_allowed;
+ /* For vector PMD */
+ bool rx_vec_allowed;
+ bool tx_vec_allowed;
+};
+
+/* AVF_DEV_PRIVATE_TO */
+#define AVF_DEV_PRIVATE_TO_ADAPTER(adapter) \
+ ((struct avf_adapter *)adapter)
+#define AVF_DEV_PRIVATE_TO_VF(adapter) \
+ (&((struct avf_adapter *)adapter)->vf)
+#define AVF_DEV_PRIVATE_TO_HW(adapter) \
+ (&((struct avf_adapter *)adapter)->hw)
+
+/* AVF_VSI_TO */
+#define AVF_VSI_TO_HW(vsi) \
+ (&(((struct avf_vsi *)vsi)->adapter->hw))
+#define AVF_VSI_TO_VF(vsi) \
+ (&(((struct avf_vsi *)vsi)->adapter->vf))
+#define AVF_VSI_TO_ETH_DEV(vsi) \
+ (((struct avf_vsi *)vsi)->adapter->eth_dev)
+
+static inline void
+avf_init_adminq_parameter(struct avf_hw *hw)
+{
+ hw->aq.num_arq_entries = AVF_AQ_LEN;
+ hw->aq.num_asq_entries = AVF_AQ_LEN;
+ hw->aq.arq_buf_size = AVF_AQ_BUF_SZ;
+ hw->aq.asq_buf_size = AVF_AQ_BUF_SZ;
+}
+
+static inline uint16_t
+avf_calc_itr_interval(int16_t interval)
+{
+ if (interval < 0 || interval > AVF_QUEUE_ITR_INTERVAL_MAX)
+ interval = AVF_QUEUE_ITR_INTERVAL_DEFAULT;
+
+ /* Convert to hardware count, as writing each 1 represents 2 us */
+ return interval / 2;
+}
+
+/* structure used for sending and checking response of virtchnl ops */
+struct avf_cmd_info {
+ enum virtchnl_ops ops;
+ uint8_t *in_args; /* buffer for sending */
+ uint32_t in_args_size; /* buffer size for sending */
+ uint8_t *out_buffer; /* buffer for response */
+ uint32_t out_size; /* buffer size for response */
+};
+
+/* clear current command. Only call in case execute
+ * _atomic_set_cmd successfully.
+ */
+static inline void
+_clear_cmd(struct avf_info *vf)
+{
+ rte_wmb();
+ vf->pend_cmd = VIRTCHNL_OP_UNKNOWN;
+ vf->cmd_retval = VIRTCHNL_STATUS_SUCCESS;
+}
+
+/* Check there is pending cmd in execution. If none, set new command. */
+static inline int
+_atomic_set_cmd(struct avf_info *vf, enum virtchnl_ops ops)
+{
+ int ret = rte_atomic32_cmpset(&vf->pend_cmd, VIRTCHNL_OP_UNKNOWN, ops);
+
+ if (!ret)
+ PMD_DRV_LOG(ERR, "There is incomplete cmd %d", vf->pend_cmd);
+
+ return !ret;
+}
+
+int avf_check_api_version(struct avf_adapter *adapter);
+int avf_get_vf_resource(struct avf_adapter *adapter);
+void avf_handle_virtchnl_msg(struct rte_eth_dev *dev);
+int avf_enable_vlan_strip(struct avf_adapter *adapter);
+int avf_disable_vlan_strip(struct avf_adapter *adapter);
+int avf_switch_queue(struct avf_adapter *adapter, uint16_t qid,
+ bool rx, bool on);
+int avf_enable_queues(struct avf_adapter *adapter);
+int avf_disable_queues(struct avf_adapter *adapter);
+int avf_configure_rss_lut(struct avf_adapter *adapter);
+int avf_configure_rss_key(struct avf_adapter *adapter);
+int avf_configure_queues(struct avf_adapter *adapter);
+int avf_config_irq_map(struct avf_adapter *adapter);
+void avf_add_del_all_mac_addr(struct avf_adapter *adapter, bool add);
+int avf_dev_link_update(struct rte_eth_dev *dev,
+ __rte_unused int wait_to_complete);
+int avf_query_stats(struct avf_adapter *adapter,
+ struct virtchnl_eth_stats **pstats);
+int avf_config_promisc(struct avf_adapter *adapter, bool enable_unicast,
+ bool enable_multicast);
+int avf_add_del_eth_addr(struct avf_adapter *adapter,
+ struct ether_addr *addr, bool add);
+int avf_add_del_vlan(struct avf_adapter *adapter, uint16_t vlanid, bool add);
+#endif /* _AVF_ETHDEV_H_ */
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