int rte_eth_dev_configure(uint8_t port_id, uint16_t nb_rx_q, uint16_t nb_tx_q,const struct rte_eth_conf *dev_conf) { //保存应用层传进来的网卡配置信息 memcpy(&dev->data->dev_conf, dev_conf, sizeof(dev->data->dev_conf)); } 3、网卡接收队列二级指针空间开辟 网卡不管是支持一...
在Kubernetes中,rte_eth_dev_configure是用来配置DPDK设备的函数。DPDK(Data Plane Development Kit)是一种用于加速数据包处理的框架,它为高性能网络应用程序提供了底层硬件的访问。 ## 2. rte_eth_dev_configure的作用 rte_eth_dev_configure函数用于配置DPDK设备的端口,包括设置端口的速率、双工模式、MAC地址等。它...
rte_eth_dev_configure(gDpdkPortId, num_rx_queues, num_tx_queues, &port_conf); //分配并设置以太网设备的接收队列 if (rte_eth_rx_queue_setup(gDpdkPortId, 0 , 1024, rte_eth_dev_socket_id(gDpdkPortId),NULL, mbuf_pool) < 0) { rte_exit(EXIT_FAILURE, "Could not setup RX queue\n...
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struct rte_eth_conf port_conf = {0}; rte_eth_dev_configure(port_id, 1, 1, &port_conf); // 分配 RX 和 TX 队列 rte_eth_rx_queue_setup(port_id, 0, RX_RING_SIZE, rte_eth_dev_socket_id(port_id), NULL, mbuf_pool);
[2]; struct rte_flow *flow; struct rte_eth_conf port_conf = {0}; // 初始化 DPDK 环境 if (rte_eal_init(argc, argv) < 0) rte_exit(EXIT_FAILURE, "Error with EAL initialization\n"); // 配置并启动以太网设备 if (rte_eth_dev_configure(PORT_ID, 1, 1, &port_conf) < 0) rte...
DPDK在虚拟机上运行时,报错: Ethdev port_id=0 requested Rx offloads 0xe doesn't match Rx offloads capabilities 0x82a1d in rte_eth_dev_configure() 这个错误是因为RX_OFFLOAD与TX_OFFLOAD可能不支持IPV4_CKSUM的检验 解决办法: 1,在配置中注释掉 DEV_RX_OFFLOAD_CHECKSUM...
1 该模式,可以提高性能,提高网卡硬件资源的利用率,同时会缺少部分功能。 2 另外,该模式不一定很好的支持全局变更。所以一般推荐在rte_eth_dev_configure()之前就进行设置。 大概是这个意思,该模式详细的情况需要在具体使用时进一步测试,或阅读源码。
rte_eth_tx_burst()函数的文档说明如下: 代码语言:javascript 复制 *It is the responsibilityoftherte_eth_tx_burst()functionto*transparently free the memory buffersofpackets previously sent.*This feature is driven by the*tx_free_thresh*value supplied to the*rte_eth_dev_configure()functionat device...
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