bna: tx rx cleanup fix

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This patch removes busy wait in tx/rx cleanup. bnad_cb_tx_cleanup() and
bnad_cb_rx_cleanup() functions are called from irq context, and currently
they do busy wait for the in-flight transmit or the currently executing napi
polling routine to complete. To fix the issue, we create a workqueue to defer
tx & rx cleanup processing, an in the tx rx cleanup handler, we will
wait respective in flight processing to complete, before freeing the buffers.

Signed-off-by: Jing Huang <huangj@brocade.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Jing Huang 2012-04-04 05:43:18 +00:00 • committed by David S. Miller

parent f96c1d24be

commit 01b54b1451

2 changed files with 125 additions and 80 deletions

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201

drivers/net/ethernet/brocade/bna/bnad.c

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4

drivers/net/ethernet/brocade/bna/bnad.h

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