This patch adds support for parsing the Receive Control (RCTL) register fields.
Signed-off-by: Andre Guedes <[email protected]> --- igc.c | 91 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++- 1 file changed, 90 insertions(+), 1 deletion(-) diff --git a/igc.c b/igc.c index 91ab64d..df3916c 100644 --- a/igc.c +++ b/igc.c @@ -7,6 +7,34 @@ #define RAH_QSEL 0x000C0000 #define RAH_QSEL_EN 0x10000000 #define RAH_AV 0x80000000 +#define RCTL_RXEN 0x00000002 +#define RCTL_SBP 0x00000004 +#define RCTL_UPE 0x00000008 +#define RCTL_MPE 0x00000010 +#define RCTL_LPE 0x00000020 +#define RCTL_LBM 0x000000C0 +#define RCTL_LBM_PHY 0x00000000 +#define RCTL_LBM_MAC 0x00000040 +#define RCTL_HSEL 0x00000300 +#define RCTL_HSEL_MULTICAST 0x00000000 +#define RCTL_HSEL_UNICAST 0x00000100 +#define RCTL_HSEL_BOTH 0x00000200 +#define RCTL_MO 0x00003000 +#define RCTL_MO_47_36 0x00000000 +#define RCTL_MO_43_32 0x00001000 +#define RCTL_MO_39_28 0x00002000 +#define RCTL_BAM 0x00008000 +#define RCTL_BSIZE 0x00030000 +#define RCTL_BSIZE_2048 0x00000000 +#define RCTL_BSIZE_1024 0x00010000 +#define RCTL_BSIZE_512 0x00020000 +#define RCTL_VFE 0x00040000 +#define RCTL_CFIEN 0x00080000 +#define RCTL_CFI 0x00100000 +#define RCTL_PSP 0x00200000 +#define RCTL_DPF 0x00400000 +#define RCTL_PMCF 0x00800000 +#define RCTL_SECRC 0x04000000 #define RAH_QSEL_SHIFT 18 @@ -15,6 +43,11 @@ static const char *bit_to_boolean(u32 val) return val ? "True" : "False"; } +static const char *bit_to_enable(u32 val) +{ + return val ? "Enabled" : "Disabled"; +} + int igc_dump_regs(struct ethtool_drvinfo *info, struct ethtool_regs *regs) { u32 reg; @@ -25,7 +58,63 @@ int igc_dump_regs(struct ethtool_drvinfo *info, struct ethtool_regs *regs) if (version != 2) return -1; - for (offset = 0; offset < 172; offset++) { + for (offset = 0; offset < 24; offset++) { + reg = regs_buff[offset]; + printf("%04d: 0x%08X\n", offset, reg); + } + + offset = 24; + + reg = regs_buff[offset]; + printf("%04d: RCTL (Receive Control Register) \n" + " Receiver: %s\n" + " Stop Bad Packets: %s\n" + " Unicast Promiscuous: %s\n" + " Multicast Promiscuous: %s\n" + " Long Packet Reception: %s\n" + " Loopback Model: %s\n" + " Hash Select for MTA: %s\n" + " Multicast/Unicast Table Offset: %s\n" + " Broadcast Accept Mode: %s\n" + " Receive Buffer Size: %s\n" + " VLAN Filter: %s\n" + " Canonical Form Indicator: %s\n" + " Canonical Form Indicator Bit: %s\n" + " Pad Small Receive Packets: %s\n" + " Discard Pause Frames: %s\n" + " Pass MAC Control Frames: %s\n" + " Strip Ethernet CRC: %s\n", + offset, + bit_to_enable(reg & RCTL_RXEN), + bit_to_enable(reg & RCTL_SBP), + bit_to_enable(reg & RCTL_UPE), + bit_to_enable(reg & RCTL_MPE), + bit_to_enable(reg & RCTL_LPE), + (reg & RCTL_LBM) == RCTL_LBM_PHY ? "PHY" : + (reg & RCTL_LBM) == RCTL_LBM_MAC ? "MAC" : + "Undefined", + (reg & RCTL_HSEL) == RCTL_HSEL_MULTICAST ? "Multicast Only" : + (reg & RCTL_HSEL) == RCTL_HSEL_UNICAST ? "Unicast Only" : + (reg & RCTL_HSEL) == RCTL_HSEL_BOTH ? "Multicast and Unicast" : + "Reserved", + (reg & RCTL_MO) == RCTL_MO_47_36 ? "Bits [47:36]" : + (reg & RCTL_MO) == RCTL_MO_43_32 ? "Bits [43:32]" : + (reg & RCTL_MO) == RCTL_MO_39_28 ? "Bits [39:28]" : + "Bits [35:24]", + bit_to_enable(reg & RCTL_BAM), + (reg & RCTL_BSIZE) == RCTL_BSIZE_2048 ? "2048 Bytes" : + (reg & RCTL_BSIZE) == RCTL_BSIZE_1024 ? "1024 Bytes" : + (reg & RCTL_BSIZE) == RCTL_BSIZE_512 ? "512 Bytes" : + "256 Bytes", + bit_to_enable(reg & RCTL_VFE), + bit_to_enable(reg & RCTL_CFIEN), + reg & RCTL_CFI ? "Discarded" : "Accepted", + bit_to_enable(reg & RCTL_PSP), + bit_to_enable(reg & RCTL_DPF), + bit_to_enable(reg & RCTL_PMCF), + bit_to_enable(reg & RCTL_SECRC)); + + for (offset = 25; offset < 172; offset++) { reg = regs_buff[offset]; printf("%04d: 0x%08X\n", offset, reg); } -- 2.26.2
