summaryrefslogtreecommitdiff
path: root/include/uapi/linux
diff options
context:
space:
mode:
authorJakub Kicinski <kuba@kernel.org>2021-04-16 12:27:42 -0700
committerDavid S. Miller <davem@davemloft.net>2021-04-16 16:59:20 -0700
commita8b06e9d40d8b18c41c8ce060e8dc004fa59e708 (patch)
tree2a960f208104d6cb48eae1a5aaede4551092c9a0 /include/uapi/linux
parentbfad2b979ddcc330c08bb071eb3c3f7b3411a681 (diff)
ethtool: add interface to read RMON stats
Most devices maintain RMON (RFC 2819) stats - particularly the "histogram" of packets received by size. Unlike other RFCs which duplicate IEEE stats, the short/oversized frame counters in RMON don't seem to match IEEE stats 1-to-1 either, so expose those, too. Do not expose basic packet, CRC errors etc - those are already otherwise covered. Because standard defines packet ranges only up to 1518, and everything above that should theoretically be "oversized" - devices often create their own ranges. Going beyond what the RFC defines - expose the "histogram" in the Tx direction (assume for now that the ranges will be the same). Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/uapi/linux')
-rw-r--r--include/uapi/linux/ethtool.h2
-rw-r--r--include/uapi/linux/ethtool_netlink.h23
2 files changed, 25 insertions, 0 deletions
diff --git a/include/uapi/linux/ethtool.h b/include/uapi/linux/ethtool.h
index 9cb8df89d4f2..cfef6b08169a 100644
--- a/include/uapi/linux/ethtool.h
+++ b/include/uapi/linux/ethtool.h
@@ -673,6 +673,7 @@ enum ethtool_link_ext_substate_cable_issue {
* @ETH_SS_STATS_ETH_PHY: names of IEEE 802.3 PHY statistics
* @ETH_SS_STATS_ETH_MAC: names of IEEE 802.3 MAC statistics
* @ETH_SS_STATS_ETH_CTRL: names of IEEE 802.3 MAC Control statistics
+ * @ETH_SS_STATS_RMON: names of RMON statistics
*
* @ETH_SS_COUNT: number of defined string sets
*/
@@ -697,6 +698,7 @@ enum ethtool_stringset {
ETH_SS_STATS_ETH_PHY,
ETH_SS_STATS_ETH_MAC,
ETH_SS_STATS_ETH_CTRL,
+ ETH_SS_STATS_RMON,
/* add new constants above here */
ETH_SS_COUNT
diff --git a/include/uapi/linux/ethtool_netlink.h b/include/uapi/linux/ethtool_netlink.h
index 2ea5f049df6a..825cfda1c5d5 100644
--- a/include/uapi/linux/ethtool_netlink.h
+++ b/include/uapi/linux/ethtool_netlink.h
@@ -700,6 +700,7 @@ enum {
ETHTOOL_STATS_ETH_PHY,
ETHTOOL_STATS_ETH_MAC,
ETHTOOL_STATS_ETH_CTRL,
+ ETHTOOL_STATS_RMON,
/* add new constants above here */
__ETHTOOL_STATS_CNT
@@ -714,6 +715,13 @@ enum {
ETHTOOL_A_STATS_GRP_STAT, /* nest */
+ ETHTOOL_A_STATS_GRP_HIST_RX, /* nest */
+ ETHTOOL_A_STATS_GRP_HIST_TX, /* nest */
+
+ ETHTOOL_A_STATS_GRP_HIST_BKT_LOW, /* u32 */
+ ETHTOOL_A_STATS_GRP_HIST_BKT_HI, /* u32 */
+ ETHTOOL_A_STATS_GRP_HIST_VAL, /* u64 */
+
/* add new constants above here */
__ETHTOOL_A_STATS_GRP_CNT,
ETHTOOL_A_STATS_GRP_MAX = (__ETHTOOL_A_STATS_CNT - 1)
@@ -793,6 +801,21 @@ enum {
ETHTOOL_A_STATS_ETH_CTRL_MAX = (__ETHTOOL_A_STATS_ETH_CTRL_CNT - 1)
};
+enum {
+ /* etherStatsUndersizePkts */
+ ETHTOOL_A_STATS_RMON_UNDERSIZE,
+ /* etherStatsOversizePkts */
+ ETHTOOL_A_STATS_RMON_OVERSIZE,
+ /* etherStatsFragments */
+ ETHTOOL_A_STATS_RMON_FRAG,
+ /* etherStatsJabbers */
+ ETHTOOL_A_STATS_RMON_JABBER,
+
+ /* add new constants above here */
+ __ETHTOOL_A_STATS_RMON_CNT,
+ ETHTOOL_A_STATS_RMON_MAX = (__ETHTOOL_A_STATS_RMON_CNT - 1)
+};
+
/* generic netlink info */
#define ETHTOOL_GENL_NAME "ethtool"
#define ETHTOOL_GENL_VERSION 1