diff options
| author |   Kan Liang <kan.liang@intel.com> | 2016-02-19 09:24:01 -0500 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2016-02-19 22:54:09 -0500 |
| commit | ac2c7ad0e5d6030452c9af2fafd192e17fd04264 (patch) | |
| tree | 96499dfee0829222beab55ac0042ca8515436857 /include/uapi/linux/ethtool.h | |
| parent | test_bitmap: unit tests for lib/bitmap.c (diff) | |
| download | wireguard-linux-ac2c7ad0e5d6030452c9af2fafd192e17fd04264.tar.xz wireguard-linux-ac2c7ad0e5d6030452c9af2fafd192e17fd04264.zip | |
net/ethtool: introduce a new ioctl for per queue setting
Introduce a new ioctl ETHTOOL_PERQUEUE for per queue parameters setting.
The following patches will enable some SUB_COMMANDs for per queue
setting.
Signed-off-by: Kan Liang <kan.liang@intel.com>
Reviewed-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/uapi/linux/ethtool.h')
| -rw-r--r-- | include/uapi/linux/ethtool.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/include/uapi/linux/ethtool.h b/include/uapi/linux/ethtool.h index 190aea0faaf4..f15ae02621a1 100644 --- a/include/uapi/linux/ethtool.h +++ b/include/uapi/linux/ethtool.h @@ -1202,6 +1202,21 @@ enum ethtool_sfeatures_retval_bits { #define ETHTOOL_F_WISH (1 << ETHTOOL_F_WISH__BIT) #define ETHTOOL_F_COMPAT (1 << ETHTOOL_F_COMPAT__BIT) +#define MAX_NUM_QUEUE 4096 + +/** + * struct ethtool_per_queue_op - apply sub command to the queues in mask. + * @cmd: ETHTOOL_PERQUEUE + * @sub_command: the sub command which apply to each queues + * @queue_mask: Bitmap of the queues which sub command apply to + * @data: A complete command structure following for each of the queues addressed + */ +struct ethtool_per_queue_op { + __u32 cmd; + __u32 sub_command; + __u32 queue_mask[DIV_ROUND_UP(MAX_NUM_QUEUE, 32)]; + char data[]; +}; /* CMDs currently supported */ #define ETHTOOL_GSET 0x00000001 /* Get settings. */ @@ -1285,6 +1300,8 @@ enum ethtool_sfeatures_retval_bits { #define ETHTOOL_STUNABLE 0x00000049 /* Set tunable configuration */ #define ETHTOOL_GPHYSTATS 0x0000004a /* get PHY-specific statistics */ +#define ETHTOOL_PERQUEUE 0x0000004b /* Set per queue options */ + /* compatibility with older code */ #define SPARC_ETH_GSET ETHTOOL_GSET #define SPARC_ETH_SSET ETHTOOL_SSET |