网卡的DMA内存和TCP的recvbuf/sendbuf不是同一块内存。报文收发有两种路径：报文从网卡通过Linux Socket收到用户态的进程面；这种是至少经过一次拷贝的，这次拷贝一般发生在接收的信息从内核skb_buff和用户自己的Buffer之间拷贝。报文从网卡经过二层交换（Switch）、三层路由（
tcp的recvbuf,sendbuf我假定你说的是socket中概念，那么它们是per-socket的；而网卡所用的dma内存应该是...
I run my project with "KeepAlive" option thousands times, it also shows TCPSendBuf error. Anyway, I create a socket to receive pstats module message. Finally, I Found that if close two options of the socket : SO_RCVTIMEO & SO_SNDTIMEO, this problem resolved. lmondoux commentedon Apr 6...
Linux OS - Version Oracle Linux 8.0 and later: Oracle Linux: /var/log/messages Shows "omfwd: TCPSendBuf error -2027, destruct TCP Connection"
tcp的recvbuf,sendbuf我假定你说的是socket中概念，那么它们是per-socket的；而网卡所用的dma内存应该是...
tcp的recvbuf,sendbuf我假定你说的是socket中概念，那么它们是per-socket的；而网卡所用的dma内存应该是...
tcp的recvbuf,sendbuf我假定你说的是socket中概念，那么它们是per-socket的；而网卡所用的dma内存应该是...
tcp的recvbuf,sendbuf我假定你说的是socket中概念，那么它们是per-socket的；而网卡所用的dma内存应该是...