Re: bug in linux 2.2.10 and 2.2.12 ip or network layer

Alan Cox (alan@lxorguk.ukuu.org.uk)
Fri, 10 Sep 1999 21:54:32 +0100 (BST)


> I'm not sure if I understand this right. Once a packet leaves the TCP
> layer and it can not be passed to the ethernet hardware immediately, the
> packet is not buffered, it is discareded?! Is that right? Why can it not

It has limited buffering

> stay in some sk_buff list? When there is no more system memory
> available, then the send system call will block and therefore there
> should be always enaugh memory to buffer the packet for a wile.

We discard frames in some cases. Its the right thing to do.

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