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It's not just Etherboot that fails to generate TX completions.

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Michael Brown
2007-07-03 14:43:57 +01:00
parent 5b52630a9c
commit 0958726ebb
1 changed files with 2 additions and 2 deletions
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4
src/arch/i386/drivers/net/undinet.c
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@@ -335,8 +335,8 @@ static int undinet_transmit ( struct net_device *netdev,
/* Technically, we ought to make sure that the previous /* Technically, we ought to make sure that the previous
* transmission has completed before we re-use the buffer. * transmission has completed before we re-use the buffer.
* However, this would break a gPXE-running-over-Etherboot * However, many PXE stacks (including at least some Intel PXE
* setup, since Etherboot fails to generate TX completions. * stacks and Etherboot 5.4) fail to generate TX completions.
* In practice this won't be a problem, since our TX datapath * In practice this won't be a problem, since our TX datapath
* has a very low packet volume and we can get away with * has a very low packet volume and we can get away with
* assuming that a TX will be complete by the time we want to * assuming that a TX will be complete by the time we want to