From f993888a1a433264656aad615d17d37e8474dad0 Mon Sep 17 00:00:00 2001 From: "Arnaud Patard (Rtp)" Date: Thu, 26 Jul 2012 12:15:46 +0200 Subject: ARM: Orion: Set eth packet size csum offload limit commit 58569aee5a1a5dcc25c34a0a2ed9a377874e6b05 upstream. The mv643xx ethernet controller limits the packet size for the TX checksum offloading. This patch sets this limits for Kirkwood and Dove which have smaller limits that the default. As a side note, this patch is an updated version of a patch sent some years ago: http://lists.infradead.org/pipermail/linux-arm-kernel/2010-June/017320.html which seems to have been lost. Signed-off-by: Arnaud Patard Signed-off-by: Jason Cooper [bwh: Backported to 3.2: adjust for the extra two parameters of orion_ge0{0,1}_init()] Signed-off-by: Ben Hutchings [yangyl: Backported to 3.4: Adjust context] Signed-off-by: Yang Yingliang Signed-off-by: Greg Kroah-Hartman --- arch/arm/mach-dove/common.c | 2 +- arch/arm/mach-kirkwood/common.c | 4 ++-- arch/arm/mach-mv78xx0/common.c | 6 ++++-- arch/arm/mach-orion5x/common.c | 3 ++- arch/arm/plat-orion/common.c | 8 ++++++-- arch/arm/plat-orion/include/plat/common.h | 6 ++++-- 6 files changed, 19 insertions(+), 10 deletions(-) (limited to 'arch/arm') diff --git a/arch/arm/mach-dove/common.c b/arch/arm/mach-dove/common.c index bda7aca04ca0..18f9e710dc50 100644 --- a/arch/arm/mach-dove/common.c +++ b/arch/arm/mach-dove/common.c @@ -90,7 +90,7 @@ void __init dove_ge00_init(struct mv643xx_eth_platform_data *eth_data) { orion_ge00_init(eth_data, DOVE_GE00_PHYS_BASE, IRQ_DOVE_GE00_SUM, - 0, get_tclk()); + 0, get_tclk(), 1600); } /***************************************************************************** diff --git a/arch/arm/mach-kirkwood/common.c b/arch/arm/mach-kirkwood/common.c index a02cae881f2f..d2758025f446 100644 --- a/arch/arm/mach-kirkwood/common.c +++ b/arch/arm/mach-kirkwood/common.c @@ -87,7 +87,7 @@ void __init kirkwood_ge00_init(struct mv643xx_eth_platform_data *eth_data) orion_ge00_init(eth_data, GE00_PHYS_BASE, IRQ_KIRKWOOD_GE00_SUM, - IRQ_KIRKWOOD_GE00_ERR, kirkwood_tclk); + IRQ_KIRKWOOD_GE00_ERR, kirkwood_tclk, 1600); } @@ -101,7 +101,7 @@ void __init kirkwood_ge01_init(struct mv643xx_eth_platform_data *eth_data) orion_ge01_init(eth_data, GE01_PHYS_BASE, IRQ_KIRKWOOD_GE01_SUM, - IRQ_KIRKWOOD_GE01_ERR, kirkwood_tclk); + IRQ_KIRKWOOD_GE01_ERR, kirkwood_tclk, 1600); } diff --git a/arch/arm/mach-mv78xx0/common.c b/arch/arm/mach-mv78xx0/common.c index a5dcf766a3f9..80ca49efc46c 100644 --- a/arch/arm/mach-mv78xx0/common.c +++ b/arch/arm/mach-mv78xx0/common.c @@ -199,7 +199,8 @@ void __init mv78xx0_ge00_init(struct mv643xx_eth_platform_data *eth_data) { orion_ge00_init(eth_data, GE00_PHYS_BASE, IRQ_MV78XX0_GE00_SUM, - IRQ_MV78XX0_GE_ERR, get_tclk()); + IRQ_MV78XX0_GE_ERR, get_tclk(), + MV643XX_TX_CSUM_DEFAULT_LIMIT); } @@ -210,7 +211,8 @@ void __init mv78xx0_ge01_init(struct mv643xx_eth_platform_data *eth_data) { orion_ge01_init(eth_data, GE01_PHYS_BASE, IRQ_MV78XX0_GE01_SUM, - NO_IRQ, get_tclk()); + NO_IRQ, get_tclk(), + MV643XX_TX_CSUM_DEFAULT_LIMIT); } diff --git a/arch/arm/mach-orion5x/common.c b/arch/arm/mach-orion5x/common.c index 24481666d2cd..67025163d015 100644 --- a/arch/arm/mach-orion5x/common.c +++ b/arch/arm/mach-orion5x/common.c @@ -95,7 +95,8 @@ void __init orion5x_eth_init(struct mv643xx_eth_platform_data *eth_data) { orion_ge00_init(eth_data, ORION5X_ETH_PHYS_BASE, IRQ_ORION5X_ETH_SUM, - IRQ_ORION5X_ETH_ERR, orion5x_tclk); + IRQ_ORION5X_ETH_ERR, orion5x_tclk, + MV643XX_TX_CSUM_DEFAULT_LIMIT); } diff --git a/arch/arm/plat-orion/common.c b/arch/arm/plat-orion/common.c index 4dac6e077ba9..8b68a2be0360 100644 --- a/arch/arm/plat-orion/common.c +++ b/arch/arm/plat-orion/common.c @@ -261,10 +261,12 @@ void __init orion_ge00_init(struct mv643xx_eth_platform_data *eth_data, unsigned long mapbase, unsigned long irq, unsigned long irq_err, - int tclk) + int tclk, + unsigned int tx_csum_limit) { fill_resources(&orion_ge00_shared, orion_ge00_shared_resources, mapbase + 0x2000, SZ_16K - 1, irq_err); + orion_ge00_shared_data.tx_csum_limit = tx_csum_limit; ge_complete(&orion_ge00_shared_data, tclk, orion_ge00_resources, irq, &orion_ge00_shared, eth_data, &orion_ge00); @@ -314,10 +316,12 @@ void __init orion_ge01_init(struct mv643xx_eth_platform_data *eth_data, unsigned long mapbase, unsigned long irq, unsigned long irq_err, - int tclk) + int tclk, + unsigned int tx_csum_limit) { fill_resources(&orion_ge01_shared, orion_ge01_shared_resources, mapbase + 0x2000, SZ_16K - 1, irq_err); + orion_ge01_shared_data.tx_csum_limit = tx_csum_limit; ge_complete(&orion_ge01_shared_data, tclk, orion_ge01_resources, irq, &orion_ge01_shared, eth_data, &orion_ge01); diff --git a/arch/arm/plat-orion/include/plat/common.h b/arch/arm/plat-orion/include/plat/common.h index a7fa005a5a0e..5b690b5cfdd0 100644 --- a/arch/arm/plat-orion/include/plat/common.h +++ b/arch/arm/plat-orion/include/plat/common.h @@ -40,13 +40,15 @@ void __init orion_ge00_init(struct mv643xx_eth_platform_data *eth_data, unsigned long mapbase, unsigned long irq, unsigned long irq_err, - int tclk); + int tclk, + unsigned int tx_csum_limit); void __init orion_ge01_init(struct mv643xx_eth_platform_data *eth_data, unsigned long mapbase, unsigned long irq, unsigned long irq_err, - int tclk); + int tclk, + unsigned int tx_csum_limit); void __init orion_ge10_init(struct mv643xx_eth_platform_data *eth_data, unsigned long mapbase, -- cgit v1.2.3