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[PATCH] e1000: Added disable packet split capability

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Adds the ability to disability packet split at compile time and use the legacy receive path on PCI express hardware.  Made this a CONFIG option and modified the Kconfig, to reflect the new option.

Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: John Ronciak <john.ronciak@intel.com>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
This commit is contained in:
Jesse Brandeburg 2006-01-18 13:01:30 -08:00 committed by Jeff Garzik
parent 7eb9b2f56c
commit 35ec56bb78
26 changed files with 36 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
arch/arm/configs/ep80219_defconfig
View File

@ -522,6 +522,7 @@ CONFIG_E100=y
# CONFIG_DL2K is not set
CONFIG_E1000=y
CONFIG_E1000_NAPI=y
# CONFIG_E1000_DISABLE_PACKET_SPLIT is not set
# CONFIG_NS83820 is not set
# CONFIG_HAMACHI is not set
# CONFIG_YELLOWFIN is not set

1
arch/arm/configs/iq31244_defconfig
View File

@ -493,6 +493,7 @@ CONFIG_NETDEVICES=y
# CONFIG_DL2K is not set
CONFIG_E1000=y
CONFIG_E1000_NAPI=y
# CONFIG_E1000_DISABLE_PACKET_SPLIT is not set
# CONFIG_NS83820 is not set
# CONFIG_HAMACHI is not set
# CONFIG_YELLOWFIN is not set

1
arch/arm/configs/iq80321_defconfig
View File

@ -415,6 +415,7 @@ CONFIG_NETDEVICES=y
# CONFIG_DL2K is not set
CONFIG_E1000=y
CONFIG_E1000_NAPI=y
# CONFIG_E1000_DISABLE_PACKET_SPLIT is not set
# CONFIG_NS83820 is not set
# CONFIG_HAMACHI is not set
# CONFIG_YELLOWFIN is not set

1
arch/arm/configs/iq80331_defconfig
View File

@ -496,6 +496,7 @@ CONFIG_NETDEVICES=y
# CONFIG_DL2K is not set
CONFIG_E1000=y
CONFIG_E1000_NAPI=y
# CONFIG_E1000_DISABLE_PACKET_SPLIT is not set
# CONFIG_NS83820 is not set
# CONFIG_HAMACHI is not set
# CONFIG_YELLOWFIN is not set

1
arch/arm/configs/iq80332_defconfig
View File

@ -496,6 +496,7 @@ CONFIG_NETDEVICES=y
# CONFIG_DL2K is not set
CONFIG_E1000=y
CONFIG_E1000_NAPI=y
# CONFIG_E1000_DISABLE_PACKET_SPLIT is not set
# CONFIG_NS83820 is not set
# CONFIG_HAMACHI is not set
# CONFIG_YELLOWFIN is not set

2
arch/i386/defconfig
View File

@ -644,6 +644,8 @@ CONFIG_8139TOO_PIO=y
# CONFIG_ACENIC is not set
# CONFIG_DL2K is not set
# CONFIG_E1000 is not set
# CONFIG_E1000_NAPI is not set
# CONFIG_E1000_DISABLE_PACKET_SPLIT is not set
# CONFIG_NS83820 is not set
# CONFIG_HAMACHI is not set
# CONFIG_YELLOWFIN is not set

1
arch/ia64/configs/gensparse_defconfig
View File

@ -557,6 +557,7 @@ CONFIG_E100=m
# CONFIG_DL2K is not set
CONFIG_E1000=y
# CONFIG_E1000_NAPI is not set
# CONFIG_E1000_DISABLE_PACKET_SPLIT is not set
# CONFIG_NS83820 is not set
# CONFIG_HAMACHI is not set
# CONFIG_YELLOWFIN is not set

1
arch/ia64/configs/tiger_defconfig
View File

@ -565,6 +565,7 @@ CONFIG_E100=m
# CONFIG_DL2K is not set
CONFIG_E1000=y
# CONFIG_E1000_NAPI is not set
# CONFIG_E1000_DISABLE_PACKET_SPLIT is not set
# CONFIG_NS83820 is not set
# CONFIG_HAMACHI is not set
# CONFIG_YELLOWFIN is not set

1
arch/ia64/configs/zx1_defconfig
View File

@ -548,6 +548,7 @@ CONFIG_E100=y
# CONFIG_DL2K is not set
CONFIG_E1000=y
# CONFIG_E1000_NAPI is not set
# CONFIG_E1000_DISABLE_PACKET_SPLIT is not set
# CONFIG_NS83820 is not set
# CONFIG_HAMACHI is not set
# CONFIG_YELLOWFIN is not set

1
arch/ia64/defconfig
View File

@ -565,6 +565,7 @@ CONFIG_E100=m
# CONFIG_DL2K is not set
CONFIG_E1000=y
# CONFIG_E1000_NAPI is not set
# CONFIG_E1000_DISABLE_PACKET_SPLIT is not set
# CONFIG_NS83820 is not set
# CONFIG_HAMACHI is not set
# CONFIG_YELLOWFIN is not set

1
arch/parisc/configs/a500_defconfig
View File

@ -602,6 +602,7 @@ CONFIG_ACENIC_OMIT_TIGON_I=y
# CONFIG_DL2K is not set
CONFIG_E1000=m
CONFIG_E1000_NAPI=y
# CONFIG_E1000_DISABLE_PACKET_SPLIT is not set
# CONFIG_NS83820 is not set
# CONFIG_HAMACHI is not set
# CONFIG_YELLOWFIN is not set

1
arch/parisc/configs/c3000_defconfig
View File

@ -626,6 +626,7 @@ CONFIG_ACENIC=m
# CONFIG_DL2K is not set
CONFIG_E1000=m
# CONFIG_E1000_NAPI is not set
# CONFIG_E1000_DISABLE_PACKET_SPLIT is not set
# CONFIG_NS83820 is not set
# CONFIG_HAMACHI is not set
# CONFIG_YELLOWFIN is not set

1
arch/powerpc/configs/cell_defconfig
View File

@ -533,6 +533,7 @@ CONFIG_MII=y
# CONFIG_DL2K is not set
CONFIG_E1000=m
# CONFIG_E1000_NAPI is not set
# CONFIG_E1000_DISABLE_PACKET_SPLIT is not set
# CONFIG_NS83820 is not set
# CONFIG_HAMACHI is not set
# CONFIG_YELLOWFIN is not set

1
arch/powerpc/configs/g5_defconfig
View File

@ -675,6 +675,7 @@ CONFIG_ACENIC_OMIT_TIGON_I=y
# CONFIG_DL2K is not set
CONFIG_E1000=y
# CONFIG_E1000_NAPI is not set
# CONFIG_E1000_DISABLE_PACKET_SPLIT is not set
# CONFIG_NS83820 is not set
# CONFIG_HAMACHI is not set
# CONFIG_YELLOWFIN is not set

1
arch/powerpc/configs/iseries_defconfig
View File

@ -567,6 +567,7 @@ CONFIG_ACENIC=m
# CONFIG_DL2K is not set
CONFIG_E1000=m
# CONFIG_E1000_NAPI is not set
# CONFIG_E1000_DISABLE_PACKET_SPLIT is not set
# CONFIG_NS83820 is not set
# CONFIG_HAMACHI is not set
# CONFIG_YELLOWFIN is not set

1
arch/powerpc/configs/maple_defconfig
View File

@ -454,6 +454,7 @@ CONFIG_AMD8111_ETH=y
# CONFIG_DL2K is not set
CONFIG_E1000=y
# CONFIG_E1000_NAPI is not set
# CONFIG_E1000_DISABLE_PACKET_SPLIT is not set
# CONFIG_NS83820 is not set
# CONFIG_HAMACHI is not set
# CONFIG_YELLOWFIN is not set

1
arch/powerpc/configs/ppc64_defconfig
View File

@ -724,6 +724,7 @@ CONFIG_ACENIC_OMIT_TIGON_I=y
# CONFIG_DL2K is not set
CONFIG_E1000=y
# CONFIG_E1000_NAPI is not set
# CONFIG_E1000_DISABLE_PACKET_SPLIT is not set
# CONFIG_NS83820 is not set
# CONFIG_HAMACHI is not set
# CONFIG_YELLOWFIN is not set

1
arch/powerpc/configs/pseries_defconfig
View File

@ -671,6 +671,7 @@ CONFIG_ACENIC_OMIT_TIGON_I=y
# CONFIG_DL2K is not set
CONFIG_E1000=y
# CONFIG_E1000_NAPI is not set
# CONFIG_E1000_DISABLE_PACKET_SPLIT is not set
# CONFIG_NS83820 is not set
# CONFIG_HAMACHI is not set
# CONFIG_YELLOWFIN is not set

1
arch/ppc/configs/bamboo_defconfig
View File

@ -499,6 +499,7 @@ CONFIG_NATSEMI=y
# CONFIG_DL2K is not set
CONFIG_E1000=y
# CONFIG_E1000_NAPI is not set
# CONFIG_E1000_DISABLE_PACKET_SPLIT is not set
# CONFIG_NS83820 is not set
# CONFIG_HAMACHI is not set
# CONFIG_YELLOWFIN is not set

1
arch/ppc/configs/katana_defconfig
View File

@ -488,6 +488,7 @@ CONFIG_E100=y
# CONFIG_DL2K is not set
CONFIG_E1000=y
# CONFIG_E1000_NAPI is not set
# CONFIG_E1000_DISABLE_PACKET_SPLIT is not set
# CONFIG_NS83820 is not set
# CONFIG_HAMACHI is not set
# CONFIG_YELLOWFIN is not set

1
arch/ppc/configs/mpc834x_sys_defconfig
View File

@ -402,6 +402,7 @@ CONFIG_E100=y
# CONFIG_DL2K is not set
CONFIG_E1000=y
# CONFIG_E1000_NAPI is not set
# CONFIG_E1000_DISABLE_PACKET_SPLIT is not set
# CONFIG_NS83820 is not set
# CONFIG_HAMACHI is not set
# CONFIG_YELLOWFIN is not set

1
arch/ppc/configs/power3_defconfig
View File

@ -442,6 +442,7 @@ CONFIG_E100=y
# CONFIG_DL2K is not set
CONFIG_E1000=y
# CONFIG_E1000_NAPI is not set
# CONFIG_E1000_DISABLE_PACKET_SPLIT is not set
# CONFIG_NS83820 is not set
# CONFIG_HAMACHI is not set
# CONFIG_YELLOWFIN is not set

1
arch/sparc64/defconfig
View File

@ -529,6 +529,7 @@ CONFIG_NET_PCI=y
# CONFIG_DL2K is not set
CONFIG_E1000=m
CONFIG_E1000_NAPI=y
# CONFIG_E1000_DISABLE_PACKET_SPLIT is not set
# CONFIG_MYRI_SBUS is not set
# CONFIG_NS83820 is not set
# CONFIG_HAMACHI is not set

1
arch/x86_64/defconfig
View File

@ -646,6 +646,7 @@ CONFIG_8139TOO=y
# CONFIG_DL2K is not set
CONFIG_E1000=y
# CONFIG_E1000_NAPI is not set
# CONFIG_E1000_DISABLE_PACKET_SPLIT is not set
# CONFIG_NS83820 is not set
# CONFIG_HAMACHI is not set
# CONFIG_YELLOWFIN is not set

9
drivers/net/Kconfig
View File

@ -1914,6 +1914,15 @@ config E1000_NAPI
If in doubt, say N.
config E1000_DISABLE_PACKET_SPLIT
bool "Disable Packet Split for PCI express adapters"
depends on E1000
help
Say Y here if you want to use the legacy receive path for PCI express
hadware.
If in doubt, say N.
source "drivers/net/ixp2000/Kconfig"
config MYRI_SBUS

4
drivers/net/e1000/e1000_main.c
View File

@ -1621,7 +1621,7 @@ e1000_setup_rctl(struct e1000_adapter *adapter)
{
uint32_t rctl, rfctl;
uint32_t psrctl = 0;
#ifdef CONFIG_E1000_PACKET_SPLIT
#ifndef CONFIG_E1000_DISABLE_PACKET_SPLIT
uint32_t pages = 0;
#endif
@ -1672,7 +1672,7 @@ e1000_setup_rctl(struct e1000_adapter *adapter)
}
}
#ifdef CONFIG_E1000_PACKET_SPLIT
#ifndef CONFIG_E1000_DISABLE_PACKET_SPLIT
/* 82571 and greater support packet-split where the protocol
* header is placed in skb->data and the packet data is
* placed in pages hanging off of skb_shinfo(skb)->nr_frags.