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ixgbe: ethtool DCB registers dump for 82599 and x540
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Added support for DCB registers dump using ethtool -d option both for
82599 and x540 ethernet controllers

Signed-off-by: Leonardo Potenza <[email protected]>
Signed-off-by: Maryam Tahhan <[email protected]>
Acked-by: John Fastabend <[email protected]>
Tested-by: Phil Schmitt <[email protected]>
Tested-by: Jack Morgan <[email protected]>
Signed-off-by: Jeff Kirsher <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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@davem330
Leonardo Potenza authored and davem330 committed Oct 1, 2013
1 parent 798e381 commit 51e409f
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Showing 2 changed files with 65 additions and 15 deletions.
75 changes: 60 additions & 15 deletions drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c
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Original file line number Diff line number Diff line change
Expand Up @@ -442,7 +442,7 @@ static void ixgbe_set_msglevel(struct net_device *netdev, u32 data)

static int ixgbe_get_regs_len(struct net_device *netdev)
{
#define IXGBE_REGS_LEN 1129
#define IXGBE_REGS_LEN 1139
return IXGBE_REGS_LEN * sizeof(u32);
}

Expand Down Expand Up @@ -602,22 +602,53 @@ static void ixgbe_get_regs(struct net_device *netdev,
regs_buff[828] = IXGBE_READ_REG(hw, IXGBE_FHFT(0));

/* DCB */
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);
regs_buff[832] = IXGBE_READ_REG(hw, IXGBE_RUPPBMR);
for (i = 0; i < 8; i++)
regs_buff[833 + i] = IXGBE_READ_REG(hw, IXGBE_RT2CR(i));
for (i = 0; i < 8; i++)
regs_buff[841 + i] = IXGBE_READ_REG(hw, IXGBE_RT2SR(i));
for (i = 0; i < 8; i++)
regs_buff[849 + i] = IXGBE_READ_REG(hw, IXGBE_TDTQ2TCCR(i));
for (i = 0; i < 8; i++)
regs_buff[857 + i] = IXGBE_READ_REG(hw, IXGBE_TDTQ2TCSR(i));
regs_buff[829] = IXGBE_READ_REG(hw, IXGBE_RMCS); /* same as FCCFG */
regs_buff[831] = IXGBE_READ_REG(hw, IXGBE_PDPMCS); /* same as RTTPCS */

switch (hw->mac.type) {
case ixgbe_mac_82598EB:
regs_buff[830] = IXGBE_READ_REG(hw, IXGBE_DPMCS);
regs_buff[832] = IXGBE_READ_REG(hw, IXGBE_RUPPBMR);
for (i = 0; i < 8; i++)
regs_buff[833 + i] =
IXGBE_READ_REG(hw, IXGBE_RT2CR(i));
for (i = 0; i < 8; i++)
regs_buff[841 + i] =
IXGBE_READ_REG(hw, IXGBE_RT2SR(i));
for (i = 0; i < 8; i++)
regs_buff[849 + i] =
IXGBE_READ_REG(hw, IXGBE_TDTQ2TCCR(i));
for (i = 0; i < 8; i++)
regs_buff[857 + i] =
IXGBE_READ_REG(hw, IXGBE_TDTQ2TCSR(i));
break;
case ixgbe_mac_82599EB:
case ixgbe_mac_X540:
regs_buff[830] = IXGBE_READ_REG(hw, IXGBE_RTTDCS);
regs_buff[832] = IXGBE_READ_REG(hw, IXGBE_RTRPCS);
for (i = 0; i < 8; i++)
regs_buff[833 + i] =
IXGBE_READ_REG(hw, IXGBE_RTRPT4C(i));
for (i = 0; i < 8; i++)
regs_buff[841 + i] =
IXGBE_READ_REG(hw, IXGBE_RTRPT4S(i));
for (i = 0; i < 8; i++)
regs_buff[849 + i] =
IXGBE_READ_REG(hw, IXGBE_RTTDT2C(i));
for (i = 0; i < 8; i++)
regs_buff[857 + i] =
IXGBE_READ_REG(hw, IXGBE_RTTDT2S(i));
break;
default:
break;
}

for (i = 0; i < 8; i++)
regs_buff[865 + i] = IXGBE_READ_REG(hw, IXGBE_TDPT2TCCR(i));
regs_buff[865 + i] =
IXGBE_READ_REG(hw, IXGBE_TDPT2TCCR(i)); /* same as RTTPT2C */
for (i = 0; i < 8; i++)
regs_buff[873 + i] = IXGBE_READ_REG(hw, IXGBE_TDPT2TCSR(i));
regs_buff[873 + i] =
IXGBE_READ_REG(hw, IXGBE_TDPT2TCSR(i)); /* same as RTTPT2S */

/* Statistics */
regs_buff[881] = IXGBE_GET_STAT(adapter, crcerrs);
Expand Down Expand Up @@ -757,6 +788,20 @@ static void ixgbe_get_regs(struct net_device *netdev,

/* 82599 X540 specific registers */
regs_buff[1128] = IXGBE_READ_REG(hw, IXGBE_MFLCN);

/* 82599 X540 specific DCB registers */
regs_buff[1129] = IXGBE_READ_REG(hw, IXGBE_RTRUP2TC);
regs_buff[1130] = IXGBE_READ_REG(hw, IXGBE_RTTUP2TC);
for (i = 0; i < 4; i++)
regs_buff[1131 + i] = IXGBE_READ_REG(hw, IXGBE_TXLLQ(i));
regs_buff[1135] = IXGBE_READ_REG(hw, IXGBE_RTTBCNRM);
/* same as RTTQCNRM */
regs_buff[1136] = IXGBE_READ_REG(hw, IXGBE_RTTBCNRD);
/* same as RTTQCNRR */

/* X540 specific DCB registers */
regs_buff[1137] = IXGBE_READ_REG(hw, IXGBE_RTTQCNCR);
regs_buff[1138] = IXGBE_READ_REG(hw, IXGBE_RTTQCNTG);
}

static int ixgbe_get_eeprom_len(struct net_device *netdev)
Expand Down
5 changes: 5 additions & 0 deletions drivers/net/ethernet/intel/ixgbe/ixgbe_type.h
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Original file line number Diff line number Diff line change
Expand Up @@ -561,6 +561,10 @@ struct ixgbe_thermal_sensor_data {
#define IXGBE_RTTDQSEL 0x04904
#define IXGBE_RTTDT1C 0x04908
#define IXGBE_RTTDT1S 0x0490C
#define IXGBE_RTTQCNCR 0x08B00
#define IXGBE_RTTQCNTG 0x04A90
#define IXGBE_RTTBCNRD 0x0498C
#define IXGBE_RTTQCNRR 0x0498C
#define IXGBE_RTTDTECC 0x04990
#define IXGBE_RTTDTECC_NO_BCN 0x00000100
#define IXGBE_RTTBCNRC 0x04984
Expand All @@ -570,6 +574,7 @@ struct ixgbe_thermal_sensor_data {
#define IXGBE_RTTBCNRC_RF_INT_MASK \
(IXGBE_RTTBCNRC_RF_DEC_MASK << IXGBE_RTTBCNRC_RF_INT_SHIFT)
#define IXGBE_RTTBCNRM 0x04980
#define IXGBE_RTTQCNRM 0x04980

/* FCoE DMA Context Registers */
#define IXGBE_FCPTRL 0x02410 /* FC User Desc. PTR Low */
Expand Down

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