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Mainline Linux tree for various devices, only for fun :)
1d0833df59
The packets inside a jumbo skb (e.g., TSO) share the same skb timestamp, even though they are sent sequentially on the wire. Since RACK is based on time, it can not detect some packets inside the same skb are lost. However, we can leverage the packet sequence numbers as extended timestamps to detect losses. Therefore, when RACK timestamp is identical to skb's timestamp (i.e., one of the packets of the skb is acked or sacked), we use the sequence numbers of the acked and unacked packets to break ties. We can use the same sequence logic to advance RACK xmit time as well to detect more losses and avoid timeout. Signed-off-by: Yuchung Cheng <ycheng@google.com> Signed-off-by: Neal Cardwell <ncardwell@google.com> Acked-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net> |
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Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.