/* SPDX-License-Identifier: BSD-3-Clause * Copyright(c) 2017 Intel Corporation */ #ifndef _IAVF_ETHDEV_H_ #define _IAVF_ETHDEV_H_ #include #include "base/iavf_type.h" #define IAVF_AQ_LEN 32 #define IAVF_AQ_BUF_SZ 4096 #define IAVF_RESET_WAIT_CNT 50 #define IAVF_BUF_SIZE_MIN 1024 #define IAVF_FRAME_SIZE_MAX 9728 #define IAVF_QUEUE_BASE_ADDR_UNIT 128 #define IAVF_MAX_NUM_QUEUES 16 #define IAVF_NUM_MACADDR_MAX 64 #define IAVF_DEFAULT_RX_PTHRESH 8 #define IAVF_DEFAULT_RX_HTHRESH 8 #define IAVF_DEFAULT_RX_WTHRESH 0 #define IAVF_DEFAULT_RX_FREE_THRESH 32 #define IAVF_DEFAULT_TX_PTHRESH 32 #define IAVF_DEFAULT_TX_HTHRESH 0 #define IAVF_DEFAULT_TX_WTHRESH 0 #define IAVF_DEFAULT_TX_FREE_THRESH 32 #define IAVF_DEFAULT_TX_RS_THRESH 32 #define IAVF_BASIC_OFFLOAD_CAPS ( \ VF_BASE_MODE_OFFLOADS | \ VIRTCHNL_VF_OFFLOAD_WB_ON_ITR | \ VIRTCHNL_VF_OFFLOAD_RX_POLLING) #define IAVF_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 IAVF_MISC_VEC_ID RTE_INTR_VEC_ZERO_OFFSET #define IAVF_RX_VEC_START RTE_INTR_VEC_RXTX_OFFSET /* Default queue interrupt throttling time in microseconds */ #define IAVF_ITR_INDEX_DEFAULT 0 #define IAVF_QUEUE_ITR_INTERVAL_DEFAULT 32 /* 32 us */ #define IAVF_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 IAVF_VLAN_TAG_SIZE 4 #define IAVF_ETH_OVERHEAD \ (ETHER_HDR_LEN + ETHER_CRC_LEN + IAVF_VLAN_TAG_SIZE * 2) #define IAVF_32_BIT_WIDTH (CHAR_BIT * 4) #define IAVF_48_BIT_WIDTH (CHAR_BIT * 6) #define IAVF_48_BIT_MASK RTE_LEN2MASK(IAVF_48_BIT_WIDTH, uint64_t) struct iavf_adapter; struct iavf_rx_queue; struct iavf_tx_queue; /* Structure that defines a VSI, associated with a adapter. */ struct iavf_vsi { struct iavf_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 */ struct virtchnl_eth_stats eth_stats_offset; }; /* TODO: is that correct to assume the max number to be 16 ?*/ #define IAVF_MAX_MSIX_VECTORS 16 /* Structure to store private data specific for VF instance. */ struct iavf_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; uint32_t link_speed; struct iavf_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[IAVF_MAX_MSIX_VECTORS]; }; #define IAVF_MAX_PKT_TYPE 256 /* Structure to store private data for each VF instance. */ struct iavf_adapter { struct iavf_hw hw; struct rte_eth_dev *eth_dev; struct iavf_info vf; bool rx_bulk_alloc_allowed; /* For vector PMD */ bool rx_vec_allowed; bool tx_vec_allowed; }; /* IAVF_DEV_PRIVATE_TO */ #define IAVF_DEV_PRIVATE_TO_ADAPTER(adapter) \ ((struct iavf_adapter *)adapter) #define IAVF_DEV_PRIVATE_TO_VF(adapter) \ (&((struct iavf_adapter *)adapter)->vf) #define IAVF_DEV_PRIVATE_TO_HW(adapter) \ (&((struct iavf_adapter *)adapter)->hw) /* IAVF_VSI_TO */ #define IAVF_VSI_TO_HW(vsi) \ (&(((struct iavf_vsi *)vsi)->adapter->hw)) #define IAVF_VSI_TO_VF(vsi) \ (&(((struct iavf_vsi *)vsi)->adapter->vf)) #define IAVF_VSI_TO_ETH_DEV(vsi) \ (((struct iavf_vsi *)vsi)->adapter->eth_dev) static inline void iavf_init_adminq_parameter(struct iavf_hw *hw) { hw->aq.num_arq_entries = IAVF_AQ_LEN; hw->aq.num_asq_entries = IAVF_AQ_LEN; hw->aq.arq_buf_size = IAVF_AQ_BUF_SZ; hw->aq.asq_buf_size = IAVF_AQ_BUF_SZ; } static inline uint16_t iavf_calc_itr_interval(int16_t interval) { if (interval < 0 || interval > IAVF_QUEUE_ITR_INTERVAL_MAX) interval = IAVF_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 iavf_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 iavf_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 iavf_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 iavf_check_api_version(struct iavf_adapter *adapter); int iavf_get_vf_resource(struct iavf_adapter *adapter); void iavf_handle_virtchnl_msg(struct rte_eth_dev *dev); int iavf_enable_vlan_strip(struct iavf_adapter *adapter); int iavf_disable_vlan_strip(struct iavf_adapter *adapter); int iavf_switch_queue(struct iavf_adapter *adapter, uint16_t qid, bool rx, bool on); int iavf_enable_queues(struct iavf_adapter *adapter); int iavf_disable_queues(struct iavf_adapter *adapter); int iavf_configure_rss_lut(struct iavf_adapter *adapter); int iavf_configure_rss_key(struct iavf_adapter *adapter); int iavf_configure_queues(struct iavf_adapter *adapter); int iavf_config_irq_map(struct iavf_adapter *adapter); void iavf_add_del_all_mac_addr(struct iavf_adapter *adapter, bool add); int iavf_dev_link_update(struct rte_eth_dev *dev, __rte_unused int wait_to_complete); int iavf_query_stats(struct iavf_adapter *adapter, struct virtchnl_eth_stats **pstats); int iavf_config_promisc(struct iavf_adapter *adapter, bool enable_unicast, bool enable_multicast); int iavf_add_del_eth_addr(struct iavf_adapter *adapter, struct ether_addr *addr, bool add); int iavf_add_del_vlan(struct iavf_adapter *adapter, uint16_t vlanid, bool add); #endif /* _IAVF_ETHDEV_H_ */