xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

ethtool: Add generic options for tunables

Browse Source 
This patch adds new ethtool cmd, ETHTOOL_GTUNABLE & ETHTOOL_STUNABLE for getting
tunable values from driver.

Add get_tunable and set_tunable to ethtool_ops. Driver implements these
functions for getting/setting tunable value.

Signed-off-by: Govindarajulu Varadarajan <_govind@gmx.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Govindarajulu Varadarajan
2014-09-03 03:17:20 +05:30
committed by David S. Miller
parent a03bb56e67
commit f0db9b0734
3 changed files with 113 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

28
include/uapi/linux/ethtool.h
View File

@@ -209,6 +209,32 @@ struct ethtool_value {
__u32 data;
};
enum tunable_id {
ETHTOOL_ID_UNSPEC,
ETHTOOL_RX_COPYBREAK,
};
enum tunable_type_id {
ETHTOOL_TUNABLE_UNSPEC,
ETHTOOL_TUNABLE_U8,
ETHTOOL_TUNABLE_U16,
ETHTOOL_TUNABLE_U32,
ETHTOOL_TUNABLE_U64,
ETHTOOL_TUNABLE_STRING,
ETHTOOL_TUNABLE_S8,
ETHTOOL_TUNABLE_S16,
ETHTOOL_TUNABLE_S32,
ETHTOOL_TUNABLE_S64,
};
struct ethtool_tunable {
__u32 cmd;
__u32 id;
__u32 type_id;
__u32 len;
void *data[0];
};
/**
* struct ethtool_regs - hardware register dump
* @cmd: Command number = %ETHTOOL_GREGS
@@ -1152,6 +1178,8 @@ enum ethtool_sfeatures_retval_bits {
#define ETHTOOL_GRSSH 0x00000046 /* Get RX flow hash configuration */
#define ETHTOOL_SRSSH 0x00000047 /* Set RX flow hash configuration */
#define ETHTOOL_GTUNABLE 0x00000048 /* Get tunable configuration */
#define ETHTOOL_STUNABLE 0x00000049 /* Set tunable configuration */
/* compatibility with older code */
#define SPARC_ETH_GSET ETHTOOL_GSET