diff options
Diffstat (limited to 'drivers/net/avf/avf.h')
| -rw-r--r-- | drivers/net/avf/avf.h | 216 |
1 files changed, 216 insertions, 0 deletions
diff --git a/drivers/net/avf/avf.h b/drivers/net/avf/avf.h new file mode 100644 index 00000000..dcf8d1c7 --- /dev/null +++ b/drivers/net/avf/avf.h @@ -0,0 +1,216 @@ +/* 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_ */ |