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sfc: Break NAPI processing after one ring-full of TX completions
authorBen Hutchings <bhutchings@solarflare.com>
Wed, 28 Apr 2010 09:29:42 +0000 (09:29 +0000)
committerDavid S. Miller <davem@davemloft.net>
Wed, 28 Apr 2010 19:44:39 +0000 (12:44 -0700)
commitfa236e18047ec178b07fdf3f24f286eef1797842
tree75b7222d666c5d7d71c153503d1ce6890e901e1ftree | snapshot
parent3a595102d4298a357d70aaf1d47ae86d92708ea9commit | diff
sfc: Break NAPI processing after one ring-full of TX completions

Currently TX completions do not count towards the NAPI budget.  This
means a continuous stream of TX completions can cause the polling
function to loop indefinitely with scheduling disabled.  To avoid
this, follow the common practice of reporting the budget spent after
processing one ring-full of TX completions.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/sfc/efx.c diff | blob | history
drivers/net/sfc/nic.c diff | blob | history
Beck SC1x5 Kernel