From 35ec56bb78fda9c88cd1ad30e048ce5b4398d33f Mon Sep 17 00:00:00 2001 From: Jesse Brandeburg Date: Wed, 18 Jan 2006 13:01:30 -0800 Subject: [PATCH] e1000: Added disable packet split capability 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 Signed-off-by: Jeff Kirsher Signed-off-by: John Ronciak Signed-off-by: Jeff Garzik --- drivers/net/Kconfig | 9 +++++++++ drivers/net/e1000/e1000_main.c | 4 ++-- 2 files changed, 11 insertions(+), 2 deletions(-) (limited to 'drivers/net') diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig index 1421941487c..0c69918671c 100644 --- 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 index d0a5d1656c5..73b2a7be212 100644 --- a/drivers/net/e1000/e1000_main.c +++ b/drivers/net/e1000/e1000_main.c @@ -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. -- cgit v1.2.3