Re: zero copy issue while receiving the data (counter part of sendfil e)

From: Jeff Garzik
Date: Tue Dec 21 2004 - 14:33:01 EST

Dmitry Yusupov wrote:

small correction, if NIC supports DMA operation on receive, than no
extra copy required. Therefore sock_recvmsg() and tcp_read_sock

large correction: if NIC supports _checksum_ on receive, then no extra copy is required.


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