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rte_eth_conf(3) DPDK rte_eth_conf(3) NAME rte_eth_conf SYNOPSIS #include <rte_ethdev.h> Data Fields uint32_t link_speeds struct rte_eth_rxmode rxmode struct rte_eth_txmode txmode uint32_t lpbk_mode struct { struct rte_eth_rss_conf rss_conf struct rte_eth_vmdq_dcb_conf vmdq_dcb_conf struct rte_eth_dcb_rx_conf dcb_rx_conf struct rte_eth_vmdq_rx_conf vmdq_rx_conf } rx_adv_conf union { struct rte_eth_vmdq_dcb_tx_conf vmdq_dcb_tx_conf struct rte_eth_dcb_tx_conf dcb_tx_conf struct rte_eth_vmdq_tx_conf vmdq_tx_conf } tx_adv_conf uint32_t dcb_capability_en struct rte_eth_intr_conf intr_conf Detailed Description A structure used to configure an Ethernet port. Depending upon the Rx multi-queue mode, extra advanced configuration settings may be needed. Definition at line 1542 of file rte_ethdev.h. Field Documentation uint32_t link_speeds bitmap of RTE_ETH_LINK_SPEED_XXX of speeds to be used. RTE_ETH_LINK_SPEED_FIXED disables link autonegotiation, and a unique speed shall be set. Otherwise, the bitmap defines the set of speeds to be advertised. If the special value RTE_ETH_LINK_SPEED_AUTONEG (0) is used, all speeds supported are advertised. Definition at line 1543 of file rte_ethdev.h. struct rte_eth_rxmode rxmode Port Rx configuration. Definition at line 1550 of file rte_ethdev.h. struct rte_eth_txmode txmode Port Tx configuration. Definition at line 1551 of file rte_ethdev.h. uint32_t lpbk_mode Loopback operation mode. By default the value is 0, meaning the loopback mode is disabled. Read the datasheet of given Ethernet controller for details. The possible values of this field are defined in implementation of each driver. Definition at line 1552 of file rte_ethdev.h. struct rte_eth_rss_conf rss_conf Port RSS configuration Definition at line 1558 of file rte_ethdev.h. struct rte_eth_vmdq_dcb_conf vmdq_dcb_conf Port VMDq+DCB configuration. Definition at line 1560 of file rte_ethdev.h. struct rte_eth_dcb_rx_conf dcb_rx_conf Port DCB Rx configuration. Definition at line 1562 of file rte_ethdev.h. struct rte_eth_vmdq_rx_conf vmdq_rx_conf Port VMDq Rx configuration. Definition at line 1564 of file rte_ethdev.h. struct { ... } rx_adv_conf Port Rx filtering configuration. struct rte_eth_vmdq_dcb_tx_conf vmdq_dcb_tx_conf Port VMDq+DCB Tx configuration. Definition at line 1568 of file rte_ethdev.h. struct rte_eth_dcb_tx_conf dcb_tx_conf Port DCB Tx configuration. Definition at line 1570 of file rte_ethdev.h. struct rte_eth_vmdq_tx_conf vmdq_tx_conf Port VMDq Tx configuration. Definition at line 1572 of file rte_ethdev.h. union { ... } tx_adv_conf Port Tx DCB configuration (union). uint32_t dcb_capability_en Currently,Priority Flow Control(PFC) are supported,if DCB with PFC is needed,and the variable must be set RTE_ETH_DCB_PFC_SUPPORT. Definition at line 1576 of file rte_ethdev.h. struct rte_eth_intr_conf intr_conf Interrupt mode configuration. Definition at line 1577 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_conf(3)
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