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Message-ID: <20080912025630.6234.25973.stgit@jtkirshe-mobile.jf.intel.com> Date: Thu, 11 Sep 2008 19:56:41 -0700 From: Jeff Kirsher <jeffrey.t.kirsher@...el.com> To: jeff@...zik.org Cc: davem@...emloft.net, netdev@...r.kernel.org, akpm@...ux-foundation.org, Jesse Brandeburg <jesse.brandeburg@...el.com>, Jeff Kirsher <jeffrey.t.kirsher@...el.com> Subject: [RESEND][NET-NEXT PATCH 08/29] ixgbe: fix ethtool register dump From: Jesse Brandeburg <jesse.brandeburg@...el.com> 1) reading some of the registers in our hardware causes them to clear, so don't read ICR in the ethtool register dump function. 2) several register iterators were not iterating Signed-off-by: Jesse Brandeburg <jesse.brandeburg@...el.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@...el.com> --- drivers/net/ixgbe/ixgbe_ethtool.c | 23 ++++++++++------------- drivers/net/ixgbe/ixgbe_type.h | 10 ++-------- 2 files changed, 12 insertions(+), 21 deletions(-) diff --git a/drivers/net/ixgbe/ixgbe_ethtool.c b/drivers/net/ixgbe/ixgbe_ethtool.c index 8f0e3f9..64460b4 100644 --- a/drivers/net/ixgbe/ixgbe_ethtool.c +++ b/drivers/net/ixgbe/ixgbe_ethtool.c @@ -315,7 +315,9 @@ static void ixgbe_get_regs(struct net_device *netdev, regs_buff[17] = IXGBE_READ_REG(hw, IXGBE_GRC); /* Interrupt */ - regs_buff[18] = IXGBE_READ_REG(hw, IXGBE_EICR); + /* don't read EICR because it can clear interrupt causes, instead + * read EICS which is a shadow but doesn't clear EICR */ + regs_buff[18] = IXGBE_READ_REG(hw, IXGBE_EICS); regs_buff[19] = IXGBE_READ_REG(hw, IXGBE_EICS); regs_buff[20] = IXGBE_READ_REG(hw, IXGBE_EIMS); regs_buff[21] = IXGBE_READ_REG(hw, IXGBE_EIMC); @@ -419,7 +421,6 @@ static void ixgbe_get_regs(struct net_device *netdev, regs_buff[827] = IXGBE_READ_REG(hw, IXGBE_WUPM); regs_buff[828] = IXGBE_READ_REG(hw, IXGBE_FHFT); - /* DCE */ regs_buff[829] = IXGBE_READ_REG(hw, IXGBE_RMCS); regs_buff[830] = IXGBE_READ_REG(hw, IXGBE_DPMCS); regs_buff[831] = IXGBE_READ_REG(hw, IXGBE_PDPMCS); @@ -539,21 +540,17 @@ static void ixgbe_get_regs(struct net_device *netdev, /* Diagnostic */ regs_buff[1071] = IXGBE_READ_REG(hw, IXGBE_RDSTATCTL); for (i = 0; i < 8; i++) - regs_buff[1072] = IXGBE_READ_REG(hw, IXGBE_RDSTAT(i)); + regs_buff[1072 + i] = IXGBE_READ_REG(hw, IXGBE_RDSTAT(i)); regs_buff[1080] = IXGBE_READ_REG(hw, IXGBE_RDHMPN); - regs_buff[1081] = IXGBE_READ_REG(hw, IXGBE_RIC_DW0); - regs_buff[1082] = IXGBE_READ_REG(hw, IXGBE_RIC_DW1); - regs_buff[1083] = IXGBE_READ_REG(hw, IXGBE_RIC_DW2); - regs_buff[1084] = IXGBE_READ_REG(hw, IXGBE_RIC_DW3); + for (i = 0; i < 4; i++) + regs_buff[1081 + i] = IXGBE_READ_REG(hw, IXGBE_RIC_DW(i)); regs_buff[1085] = IXGBE_READ_REG(hw, IXGBE_RDPROBE); regs_buff[1086] = IXGBE_READ_REG(hw, IXGBE_TDSTATCTL); for (i = 0; i < 8; i++) - regs_buff[1087] = IXGBE_READ_REG(hw, IXGBE_TDSTAT(i)); + regs_buff[1087 + i] = IXGBE_READ_REG(hw, IXGBE_TDSTAT(i)); regs_buff[1095] = IXGBE_READ_REG(hw, IXGBE_TDHMPN); - regs_buff[1096] = IXGBE_READ_REG(hw, IXGBE_TIC_DW0); - regs_buff[1097] = IXGBE_READ_REG(hw, IXGBE_TIC_DW1); - regs_buff[1098] = IXGBE_READ_REG(hw, IXGBE_TIC_DW2); - regs_buff[1099] = IXGBE_READ_REG(hw, IXGBE_TIC_DW3); + for (i = 0; i < 4; i++) + regs_buff[1096 + i] = IXGBE_READ_REG(hw, IXGBE_TIC_DW(i)); regs_buff[1100] = IXGBE_READ_REG(hw, IXGBE_TDPROBE); regs_buff[1101] = IXGBE_READ_REG(hw, IXGBE_TXBUFCTRL); regs_buff[1102] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA0); @@ -566,7 +563,7 @@ static void ixgbe_get_regs(struct net_device *netdev, regs_buff[1109] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA2); regs_buff[1110] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA3); for (i = 0; i < 8; i++) - regs_buff[1111] = IXGBE_READ_REG(hw, IXGBE_PCIE_DIAG(i)); + regs_buff[1111 + i] = IXGBE_READ_REG(hw, IXGBE_PCIE_DIAG(i)); regs_buff[1119] = IXGBE_READ_REG(hw, IXGBE_RFVAL); regs_buff[1120] = IXGBE_READ_REG(hw, IXGBE_MDFTC1); regs_buff[1121] = IXGBE_READ_REG(hw, IXGBE_MDFTC2); diff --git a/drivers/net/ixgbe/ixgbe_type.h b/drivers/net/ixgbe/ixgbe_type.h index 172f766..196841b 100644 --- a/drivers/net/ixgbe/ixgbe_type.h +++ b/drivers/net/ixgbe/ixgbe_type.h @@ -278,18 +278,12 @@ #define IXGBE_RDSTATCTL 0x02C20 #define IXGBE_RDSTAT(_i) (0x02C00 + ((_i) * 4)) /* 0x02C00-0x02C1C */ #define IXGBE_RDHMPN 0x02F08 -#define IXGBE_RIC_DW0 0x02F10 -#define IXGBE_RIC_DW1 0x02F14 -#define IXGBE_RIC_DW2 0x02F18 -#define IXGBE_RIC_DW3 0x02F1C +#define IXGBE_RIC_DW(_i) (0x02F10 + ((_i) * 4)) #define IXGBE_RDPROBE 0x02F20 #define IXGBE_TDSTATCTL 0x07C20 #define IXGBE_TDSTAT(_i) (0x07C00 + ((_i) * 4)) /* 0x07C00 - 0x07C1C */ #define IXGBE_TDHMPN 0x07F08 -#define IXGBE_TIC_DW0 0x07F10 -#define IXGBE_TIC_DW1 0x07F14 -#define IXGBE_TIC_DW2 0x07F18 -#define IXGBE_TIC_DW3 0x07F1C +#define IXGBE_TIC_DW(_i) (0x07F10 + ((_i) * 4)) #define IXGBE_TDPROBE 0x07F20 #define IXGBE_TXBUFCTRL 0x0C600 #define IXGBE_TXBUFDATA0 0x0C610 -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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