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| author | Jakub Kicinski <kuba@kernel.org> | 2025-07-11 03:57:53 +0300 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2025-07-11 03:57:53 +0300 |
| commit | acd7c710f76a9cbb06d1ea6e9889df1781469d6d (patch) | |
| tree | 212790041881d3b230fa34fdceeb4528cde8e058 /include | |
| parent | 809f683324df708a0f048d484f74d18a6398a30e (diff) | |
| parent | 0c8754b75e69160ae4bf5436c01447b2e77e181c (diff) | |
| download | linux-acd7c710f76a9cbb06d1ea6e9889df1781469d6d.tar.xz | |
Merge branch 'ethtool-rss-report-which-fields-are-configured-for-hashing'
Jakub Kicinski says:
====================
ethtool: rss: report which fields are configured for hashing
Add support for reading flow hash configuration via Netlink ethtool.
$ ynl --family ethtool --dump rss-get
[{
"header": {
"dev-index": 1,
"dev-name": "enp1s0"
},
"hfunc": 1,
"hkey": b"...",
"indir": [0, 1, ...],
"flow-hash": {
"ether": {"l2da"},
"ah-esp4": {"ip-src", "ip-dst"},
"ah-esp6": {"ip-src", "ip-dst"},
"ah4": {"ip-src", "ip-dst"},
"ah6": {"ip-src", "ip-dst"},
"esp4": {"ip-src", "ip-dst"},
"esp6": {"ip-src", "ip-dst"},
"ip4": {"ip-src", "ip-dst"},
"ip6": {"ip-src", "ip-dst"},
"sctp4": {"ip-src", "ip-dst"},
"sctp6": {"ip-src", "ip-dst"},
"udp4": {"ip-src", "ip-dst"},
"udp6": {"ip-src", "ip-dst"}
"tcp4": {"l4-b-0-1", "l4-b-2-3", "ip-src", "ip-dst"},
"tcp6": {"l4-b-0-1", "l4-b-2-3", "ip-src", "ip-dst"},
},
}]
====================
Link: https://patch.msgid.link/20250708220640.2738464-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/uapi/linux/ethtool.h | 4 | ||||
| -rw-r--r-- | include/uapi/linux/ethtool_netlink_generated.h | 34 |
2 files changed, 36 insertions, 2 deletions
diff --git a/include/uapi/linux/ethtool.h b/include/uapi/linux/ethtool.h index 707c1844010c..9e9afdd1238a 100644 --- a/include/uapi/linux/ethtool.h +++ b/include/uapi/linux/ethtool.h @@ -2314,7 +2314,7 @@ enum { IPV6_USER_FLOW = 0x0e, /* spec only (usr_ip6_spec; nfc only) */ IPV4_FLOW = 0x10, /* hash only */ IPV6_FLOW = 0x11, /* hash only */ - ETHER_FLOW = 0x12, /* spec only (ether_spec) */ + ETHER_FLOW = 0x12, /* hash or spec (ether_spec) */ /* Used for GTP-U IPv4 and IPv6. * The format of GTP packets only includes @@ -2371,7 +2371,7 @@ enum { /* Flag to enable RSS spreading of traffic matching rule (nfc only) */ #define FLOW_RSS 0x20000000 -/* L3-L4 network traffic flow hash options */ +/* L2-L4 network traffic flow hash options */ #define RXH_L2DA (1 << 1) #define RXH_VLAN (1 << 2) #define RXH_L3_PROTO (1 << 3) diff --git a/include/uapi/linux/ethtool_netlink_generated.h b/include/uapi/linux/ethtool_netlink_generated.h index 8f30ffa1cd14..96027e26ffba 100644 --- a/include/uapi/linux/ethtool_netlink_generated.h +++ b/include/uapi/linux/ethtool_netlink_generated.h @@ -679,6 +679,39 @@ enum { }; enum { + ETHTOOL_A_FLOW_ETHER = 1, + ETHTOOL_A_FLOW_IP4, + ETHTOOL_A_FLOW_IP6, + ETHTOOL_A_FLOW_TCP4, + ETHTOOL_A_FLOW_TCP6, + ETHTOOL_A_FLOW_UDP4, + ETHTOOL_A_FLOW_UDP6, + ETHTOOL_A_FLOW_SCTP4, + ETHTOOL_A_FLOW_SCTP6, + ETHTOOL_A_FLOW_AH4, + ETHTOOL_A_FLOW_AH6, + ETHTOOL_A_FLOW_ESP4, + ETHTOOL_A_FLOW_ESP6, + ETHTOOL_A_FLOW_AH_ESP4, + ETHTOOL_A_FLOW_AH_ESP6, + ETHTOOL_A_FLOW_GTPU4, + ETHTOOL_A_FLOW_GTPU6, + ETHTOOL_A_FLOW_GTPC4, + ETHTOOL_A_FLOW_GTPC6, + ETHTOOL_A_FLOW_GTPC_TEID4, + ETHTOOL_A_FLOW_GTPC_TEID6, + ETHTOOL_A_FLOW_GTPU_EH4, + ETHTOOL_A_FLOW_GTPU_EH6, + ETHTOOL_A_FLOW_GTPU_UL4, + ETHTOOL_A_FLOW_GTPU_UL6, + ETHTOOL_A_FLOW_GTPU_DL4, + ETHTOOL_A_FLOW_GTPU_DL6, + + __ETHTOOL_A_FLOW_CNT, + ETHTOOL_A_FLOW_MAX = (__ETHTOOL_A_FLOW_CNT - 1) +}; + +enum { ETHTOOL_A_RSS_UNSPEC, ETHTOOL_A_RSS_HEADER, ETHTOOL_A_RSS_CONTEXT, @@ -687,6 +720,7 @@ enum { ETHTOOL_A_RSS_HKEY, ETHTOOL_A_RSS_INPUT_XFRM, ETHTOOL_A_RSS_START_CONTEXT, + ETHTOOL_A_RSS_FLOW_HASH, __ETHTOOL_A_RSS_CNT, ETHTOOL_A_RSS_MAX = (__ETHTOOL_A_RSS_CNT - 1) |