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48e2331197
Merge the CPU port registers dump into the master interface registers
dump through ethtool, by nesting the ethtool_drvinfo and ethtool_regs
structures of the CPU port into the dump.
drvinfo->regdump_len will contain the full data length, while regs->len
will contain only the master interface registers dump length.
This allows for example to dump the CPU port registers on a ZII Dev
C board like this:
# ethtool -d eth1
0x004: 0x00000000
0x008: 0x0a8000aa
0x010: 0x01000000
0x014: 0x00000000
0x024: 0xf0000102
0x040: 0x6d82c800
0x044: 0x00000020
0x064: 0x40000000
0x084: RCR (Receive Control Register) 0x47c00104
MAX_FL (Maximum frame length) 1984
FCE (Flow control enable) 0
BC_REJ (Broadcast frame reject) 0
PROM (Promiscuous mode) 0
DRT (Disable receive on transmit) 0
LOOP (Internal loopback) 0
0x0c4: TCR (Transmit Control Register) 0x00000004
RFC_PAUSE (Receive frame control pause) 0
TFC_PAUSE (Transmit frame control pause) 0
FDEN (Full duplex enable) 1
HBC (Heartbeat control) 0
GTS (Graceful transmit stop) 0
0x0e4: 0x76735d6d
0x0e8: 0x7e9e8808
0x0ec: 0x00010000
.
.
.
88E6352 Switch Port Registers
------------------------------
00: Port Status 0x4d04
Pause Enabled 0
My Pause 1
802.3 PHY Detected 0
Link Status Up
Duplex Full
Speed 100 or 200 Mbps
EEE Enabled 0
Transmitter Paused 0
Flow Control 0
Config Mode 0x4
01: Physical Control 0x003d
RGMII Receive Timing Control Default
RGMII Transmit Timing Control Default
200 BASE Mode 100
Flow Control's Forced value 0
Force Flow Control 0
Link's Forced value Up
Force Link 1
Duplex's Forced value Full
Force Duplex 1
Force Speed 100 or 200 Mbps
.
.
.
Signed-off-by: Vivien Didelot <vivien.didelot@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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| README | ||
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.