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 <[EMAIL PROTECTED]>
Signed-off-by: Jeff Kirsher <[EMAIL PROTECTED]>
Signed-off-by: John Ronciak <[EMAIL PROTECTED]>
---
arch/arm/configs/ep80219_defconfig | 1 +
arch/arm/configs/iq31244_defconfig | 1 +
arch/arm/configs/iq80321_defconfig | 1 +
arch/arm/configs/iq80331_defconfig | 1 +
arch/arm/configs/iq80332_defconfig | 1 +
arch/i386/defconfig | 2 ++
arch/ia64/configs/gensparse_defconfig | 1 +
arch/ia64/configs/tiger_defconfig | 1 +
arch/ia64/configs/zx1_defconfig | 1 +
arch/ia64/defconfig | 1 +
arch/parisc/configs/a500_defconfig | 1 +
arch/parisc/configs/c3000_defconfig | 1 +
arch/powerpc/configs/cell_defconfig | 1 +
arch/powerpc/configs/g5_defconfig | 1 +
arch/powerpc/configs/iseries_defconfig | 1 +
arch/powerpc/configs/maple_defconfig | 1 +
arch/powerpc/configs/ppc64_defconfig | 1 +
arch/powerpc/configs/pseries_defconfig | 1 +
arch/ppc/configs/bamboo_defconfig | 1 +
arch/ppc/configs/katana_defconfig | 1 +
arch/ppc/configs/mpc834x_sys_defconfig | 1 +
arch/ppc/configs/power3_defconfig | 1 +
arch/sparc64/defconfig | 1 +
arch/x86_64/defconfig | 1 +
drivers/net/Kconfig | 9 +++++++++
drivers/net/e1000/e1000_main.c | 4 ++--
26 files changed, 36 insertions(+), 2 deletions(-)
diff --git a/arch/arm/configs/ep80219_defconfig
b/arch/arm/configs/ep80219_defconfig
--- a/arch/arm/configs/ep80219_defconfig
+++ b/arch/arm/configs/ep80219_defconfig
@@ -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
diff --git a/arch/arm/configs/iq31244_defconfig
b/arch/arm/configs/iq31244_defconfig
--- a/arch/arm/configs/iq31244_defconfig
+++ b/arch/arm/configs/iq31244_defconfig
@@ -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
diff --git a/arch/arm/configs/iq80321_defconfig
b/arch/arm/configs/iq80321_defconfig
--- a/arch/arm/configs/iq80321_defconfig
+++ b/arch/arm/configs/iq80321_defconfig
@@ -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
diff --git a/arch/arm/configs/iq80331_defconfig
b/arch/arm/configs/iq80331_defconfig
--- a/arch/arm/configs/iq80331_defconfig
+++ b/arch/arm/configs/iq80331_defconfig
@@ -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
diff --git a/arch/arm/configs/iq80332_defconfig
b/arch/arm/configs/iq80332_defconfig
--- a/arch/arm/configs/iq80332_defconfig
+++ b/arch/arm/configs/iq80332_defconfig
@@ -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
diff --git a/arch/i386/defconfig b/arch/i386/defconfig
--- a/arch/i386/defconfig
+++ b/arch/i386/defconfig
@@ -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
diff --git a/arch/ia64/configs/gensparse_defconfig
b/arch/ia64/configs/gensparse_defconfig
--- a/arch/ia64/configs/gensparse_defconfig
+++ b/arch/ia64/configs/gensparse_defconfig
@@ -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
diff --git a/arch/ia64/configs/tiger_defconfig
b/arch/ia64/configs/tiger_defconfig
--- a/arch/ia64/configs/tiger_defconfig
+++ b/arch/ia64/configs/tiger_defconfig
@@ -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
diff --git a/arch/ia64/configs/zx1_defconfig b/arch/ia64/configs/zx1_defconfig
--- a/arch/ia64/configs/zx1_defconfig
+++ b/arch/ia64/configs/zx1_defconfig
@@ -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
diff --git a/arch/ia64/defconfig b/arch/ia64/defconfig
--- a/arch/ia64/defconfig
+++ b/arch/ia64/defconfig
@@ -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
diff --git a/arch/parisc/configs/a500_defconfig
b/arch/parisc/configs/a500_defconfig
--- a/arch/parisc/configs/a500_defconfig
+++ b/arch/parisc/configs/a500_defconfig
@@ -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
diff --git a/arch/parisc/configs/c3000_defconfig
b/arch/parisc/configs/c3000_defconfig
--- a/arch/parisc/configs/c3000_defconfig
+++ b/arch/parisc/configs/c3000_defconfig
@@ -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
diff --git a/arch/powerpc/configs/cell_defconfig
b/arch/powerpc/configs/cell_defconfig
--- a/arch/powerpc/configs/cell_defconfig
+++ b/arch/powerpc/configs/cell_defconfig
@@ -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
diff --git a/arch/powerpc/configs/g5_defconfig
b/arch/powerpc/configs/g5_defconfig
--- a/arch/powerpc/configs/g5_defconfig
+++ b/arch/powerpc/configs/g5_defconfig
@@ -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
diff --git a/arch/powerpc/configs/iseries_defconfig
b/arch/powerpc/configs/iseries_defconfig
--- a/arch/powerpc/configs/iseries_defconfig
+++ b/arch/powerpc/configs/iseries_defconfig
@@ -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
diff --git a/arch/powerpc/configs/maple_defconfig
b/arch/powerpc/configs/maple_defconfig
--- a/arch/powerpc/configs/maple_defconfig
+++ b/arch/powerpc/configs/maple_defconfig
@@ -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
diff --git a/arch/powerpc/configs/ppc64_defconfig
b/arch/powerpc/configs/ppc64_defconfig
--- a/arch/powerpc/configs/ppc64_defconfig
+++ b/arch/powerpc/configs/ppc64_defconfig
@@ -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
diff --git a/arch/powerpc/configs/pseries_defconfig
b/arch/powerpc/configs/pseries_defconfig
--- a/arch/powerpc/configs/pseries_defconfig
+++ b/arch/powerpc/configs/pseries_defconfig
@@ -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
diff --git a/arch/ppc/configs/bamboo_defconfig
b/arch/ppc/configs/bamboo_defconfig
--- a/arch/ppc/configs/bamboo_defconfig
+++ b/arch/ppc/configs/bamboo_defconfig
@@ -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
diff --git a/arch/ppc/configs/katana_defconfig
b/arch/ppc/configs/katana_defconfig
--- a/arch/ppc/configs/katana_defconfig
+++ b/arch/ppc/configs/katana_defconfig
@@ -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
diff --git a/arch/ppc/configs/mpc834x_sys_defconfig
b/arch/ppc/configs/mpc834x_sys_defconfig
--- a/arch/ppc/configs/mpc834x_sys_defconfig
+++ b/arch/ppc/configs/mpc834x_sys_defconfig
@@ -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
diff --git a/arch/ppc/configs/power3_defconfig
b/arch/ppc/configs/power3_defconfig
--- a/arch/ppc/configs/power3_defconfig
+++ b/arch/ppc/configs/power3_defconfig
@@ -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
diff --git a/arch/sparc64/defconfig b/arch/sparc64/defconfig
--- a/arch/sparc64/defconfig
+++ b/arch/sparc64/defconfig
@@ -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
diff --git a/arch/x86_64/defconfig b/arch/x86_64/defconfig
--- a/arch/x86_64/defconfig
+++ b/arch/x86_64/defconfig
@@ -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
diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig
--- a/drivers/net/Kconfig
+++ b/drivers/net/Kconfig
@@ -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
diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c
--- a/drivers/net/e1000/e1000_main.c
+++ b/drivers/net/e1000/e1000_main.c
@@ -1621,7 +1621,7 @@ e1000_setup_rctl(struct e1000_adapter *a
{
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 *a
}
}
-#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.
-
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