/* SPDX-License-Identifier: BSD-3-Clause * Copyright(c) 2017 Intel Corporation */ #ifndef _AVF_ETHDEV_H_ #define _AVF_ETHDEV_H_ #include #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_ */