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rte_eth_dev_info(3) DPDK rte_eth_dev_info(3) NAME rte_eth_dev_info SYNOPSIS #include <rte_ethdev.h> Data Fields struct rte_device * device const char * driver_name unsigned int if_index uint16_t min_mtu uint16_t max_mtu const uint32_t * dev_flags uint32_t min_rx_bufsize uint32_t max_rx_bufsize uint32_t max_rx_pktlen uint32_t max_lro_pkt_size uint16_t max_rx_queues uint16_t max_tx_queues uint32_t max_mac_addrs uint32_t max_hash_mac_addrs uint16_t max_vfs uint16_t max_vmdq_pools struct rte_eth_rxseg_capa rx_seg_capa uint64_t rx_offload_capa uint64_t tx_offload_capa uint64_t rx_queue_offload_capa uint64_t tx_queue_offload_capa uint16_t reta_size uint8_t hash_key_size uint64_t flow_type_rss_offloads struct rte_eth_rxconf default_rxconf struct rte_eth_txconf default_txconf uint16_t vmdq_queue_base uint16_t vmdq_queue_num uint16_t vmdq_pool_base struct rte_eth_desc_lim rx_desc_lim struct rte_eth_desc_lim tx_desc_lim uint32_t speed_capa uint16_t nb_rx_queues uint16_t nb_tx_queues uint16_t max_rx_mempools struct rte_eth_dev_portconf default_rxportconf struct rte_eth_dev_portconf default_txportconf uint64_t dev_capa struct rte_eth_switch_info switch_info enum rte_eth_err_handle_mode err_handle_mode uint64_t reserved_64s [2] void * reserved_ptrs [2] Detailed Description A structure used to retrieve the contextual information of an Ethernet device, such as the controlling driver of the device, etc... Definition at line 1806 of file rte_ethdev.h. Field Documentation struct rte_device* device Generic device information Definition at line 1807 of file rte_ethdev.h. const char* driver_name Device Driver name. Definition at line 1808 of file rte_ethdev.h. unsigned int if_index Index to bound host interface, or 0 if none. Use if_indextoname() to translate into an interface name. Definition at line 1809 of file rte_ethdev.h. uint16_t min_mtu Minimum MTU allowed Definition at line 1811 of file rte_ethdev.h. uint16_t max_mtu Maximum MTU allowed Definition at line 1812 of file rte_ethdev.h. const uint32_t* dev_flags Device flags Definition at line 1813 of file rte_ethdev.h. uint32_t min_rx_bufsize Minimum Rx buffer size per descriptor supported by HW. Definition at line 1815 of file rte_ethdev.h. uint32_t max_rx_bufsize Maximum Rx buffer size per descriptor supported by HW. The value is not enforced, information only to application to optimize mbuf size. Its value is UINT32_MAX when not specified by the driver. Definition at line 1822 of file rte_ethdev.h. uint32_t max_rx_pktlen Maximum configurable length of Rx pkt. Definition at line 1823 of file rte_ethdev.h. uint32_t max_lro_pkt_size Maximum configurable size of LRO aggregated packet. Definition at line 1825 of file rte_ethdev.h. uint16_t max_rx_queues Maximum number of Rx queues. Definition at line 1826 of file rte_ethdev.h. uint16_t max_tx_queues Maximum number of Tx queues. Definition at line 1827 of file rte_ethdev.h. uint32_t max_mac_addrs Maximum number of MAC addresses. Definition at line 1828 of file rte_ethdev.h. uint32_t max_hash_mac_addrs Maximum number of hash MAC addresses for MTA and UTA. Definition at line 1830 of file rte_ethdev.h. uint16_t max_vfs Maximum number of VFs. Definition at line 1831 of file rte_ethdev.h. uint16_t max_vmdq_pools Maximum number of VMDq pools. Definition at line 1832 of file rte_ethdev.h. struct rte_eth_rxseg_capa rx_seg_capa Segmentation capability. Definition at line 1833 of file rte_ethdev.h. uint64_t rx_offload_capa All Rx offload capabilities including all per-queue ones Definition at line 1835 of file rte_ethdev.h. uint64_t tx_offload_capa All Tx offload capabilities including all per-queue ones Definition at line 1837 of file rte_ethdev.h. uint64_t rx_queue_offload_capa Device per-queue Rx offload capabilities. Definition at line 1839 of file rte_ethdev.h. uint64_t tx_queue_offload_capa Device per-queue Tx offload capabilities. Definition at line 1841 of file rte_ethdev.h. uint16_t reta_size Device redirection table size, the total number of entries. Definition at line 1843 of file rte_ethdev.h. uint8_t hash_key_size Hash key size in bytes Definition at line 1844 of file rte_ethdev.h. uint64_t flow_type_rss_offloads RSS hash algorithms capabilities Bit mask of RSS offloads, the bit offset also means flow type Definition at line 1847 of file rte_ethdev.h. struct rte_eth_rxconf default_rxconf Default Rx configuration Definition at line 1848 of file rte_ethdev.h. struct rte_eth_txconf default_txconf Default Tx configuration Definition at line 1849 of file rte_ethdev.h. uint16_t vmdq_queue_base First queue ID for VMDq pools. Definition at line 1850 of file rte_ethdev.h. uint16_t vmdq_queue_num Queue number for VMDq pools. Definition at line 1851 of file rte_ethdev.h. uint16_t vmdq_pool_base First ID of VMDq pools. Definition at line 1852 of file rte_ethdev.h. struct rte_eth_desc_lim rx_desc_lim Rx descriptors limits Definition at line 1853 of file rte_ethdev.h. struct rte_eth_desc_lim tx_desc_lim Tx descriptors limits Definition at line 1854 of file rte_ethdev.h. uint32_t speed_capa Supported speeds bitmap (RTE_ETH_LINK_SPEED_). Definition at line 1855 of file rte_ethdev.h. uint16_t nb_rx_queues Configured number of Rx/Tx queues Number of Rx queues. Definition at line 1857 of file rte_ethdev.h. uint16_t nb_tx_queues Number of Tx queues. Definition at line 1858 of file rte_ethdev.h. uint16_t max_rx_mempools Maximum number of Rx mempools supported per Rx queue. Value greater than 0 means that the driver supports Rx queue mempools specification via rx_conf->rx_mempools. Definition at line 1865 of file rte_ethdev.h. struct rte_eth_dev_portconf default_rxportconf Rx parameter recommendations Definition at line 1867 of file rte_ethdev.h. struct rte_eth_dev_portconf default_txportconf Tx parameter recommendations Definition at line 1869 of file rte_ethdev.h. uint64_t dev_capa Generic device capabilities (RTE_ETH_DEV_CAPA_). Definition at line 1871 of file rte_ethdev.h. struct rte_eth_switch_info switch_info Switching information for ports on a device with a embedded managed interconnect/switch. Definition at line 1876 of file rte_ethdev.h. enum rte_eth_err_handle_mode err_handle_mode Supported error handling mode. Definition at line 1878 of file rte_ethdev.h. uint64_t reserved_64s[2] Reserved for future fields Definition at line 1880 of file rte_ethdev.h. void* reserved_ptrs[2] Reserved for future fields Definition at line 1881 of file rte_ethdev.h. Author Generated automatically by Doxygen for DPDK from the source code. Version 25.11.0 Thu Jun 11 2026 rte_eth_dev_info(3)
NAME | SYNOPSIS | Detailed Description | Field Documentation | Author
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