redonkable/alistair23-linux
redonkable/alistair23-linux
1
0
Fork 0
Code Releases Activity

e1000e: lower ring minimum size to 64

Browse source 
The lower limit of 80 descriptors in the ring is only valid for
one older 8254x chipset. All e1000e devices can use as low as
64 descriptors.

Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
This commit is contained in:
Auke Kok 2008-04-23 11:09:19 -07:00 committed by Jeff Garzik
parent 2d9498f369
commit 7b1be1987c
1 changed files with 2 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

4
drivers/net/e1000e/e1000.h
View file

@ -64,11 +64,11 @@ struct e1000_info;
/* Tx/Rx descriptor defines */
#define E1000_DEFAULT_TXD 256
#define E1000_MAX_TXD 4096
#define E1000_MIN_TXD 80
#define E1000_MIN_TXD 64
#define E1000_DEFAULT_RXD 256
#define E1000_MAX_RXD 4096
#define E1000_MIN_RXD 80
#define E1000_MIN_RXD 64
#define E1000_MIN_ITR_USECS 10 /* 100000 irq/sec */
#define E1000_MAX_ITR_USECS 10000 /* 100 irq/sec */