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e1000: do not modify tx_queue_len on link speed change

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Previously the driver tweaked txqueuelen to avoid false Tx hang reports
seen at half duplex.  This had the effect of overriding user set values
on link change/reset. Testing shows that adjusting only the timeout
factor is sufficient to prevent Tx hang reports at half duplex.

This patch removes all instances of tx_queue_len in the driver.

Based on e1000e patch by Franco Fichtner <franco@lastsummer.de>

CC: Franco Fichtner <franco@lastsummer.de>
Signed-off-by: Emil Tantilov <emil.s.tantilov@intel.com>
Acked-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Emil Tantilov
2010-03-26 11:25:58 +00:00
committed by David S. Miller
parent 7438189baa
commit 39ca5f033b
2 changed files with 1 additions and 9 deletions
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1
drivers/net/e1000/e1000.h
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@@ -261,7 +261,6 @@ struct e1000_adapter {
/* TX */
struct e1000_tx_ring *tx_ring; /* One per active queue */
unsigned int restart_queue;
unsigned long tx_queue_len;
u32 txd_cmd;
u32 tx_int_delay;
u32 tx_abs_int_delay;