From: Jakub Kicinski <kuba@kernel.org>
To: davem@davemloft.net
Cc: netdev@vger.kernel.org, edumazet@google.com, pabeni@redhat.com,
andrew+netdev@lunn.ch, horms@kernel.org, donald.hunter@gmail.com,
shuah@kernel.org, maxime.chevallier@bootlin.com,
ecree.xilinx@gmail.com, gal@nvidia.com,
linux-kselftest@vger.kernel.org, Jakub Kicinski <kuba@kernel.org>
Subject: [PATCH net-next 0/5] ethtool: rss: report which fields are configured for hashing
Date: Tue, 8 Jul 2025 15:06:35 -0700 [thread overview]
Message-ID: <20250708220640.2738464-1-kuba@kernel.org> (raw)
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"},
},
}]
Jakub Kicinski (5):
ethtool: rss: make sure dump takes the rss lock
tools: ynl: decode enums in auto-ints
ethtool: mark ETHER_FLOW as usable for Rx hash
ethtool: rss: report which fields are configured for hashing
selftests: drv-net: test RSS header field configuration
Documentation/netlink/specs/ethtool.yaml | 151 ++++++++++++++++++
Documentation/networking/ethtool-netlink.rst | 9 +-
include/uapi/linux/ethtool.h | 4 +-
.../uapi/linux/ethtool_netlink_generated.h | 34 ++++
net/ethtool/ioctl.c | 7 +-
net/ethtool/rss.c | 145 +++++++++++++----
tools/net/ynl/pyynl/lib/ynl.py | 2 +
.../selftests/drivers/net/hw/rss_api.py | 47 ++++++
8 files changed, 364 insertions(+), 35 deletions(-)
--
2.50.0
next reply other threads:[~2025-07-08 22:06 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-07-08 22:06 Jakub Kicinski [this message]
2025-07-08 22:06 ` [PATCH net-next 1/5] ethtool: rss: make sure dump takes the rss lock Jakub Kicinski
2025-07-08 22:06 ` [PATCH net-next 2/5] tools: ynl: decode enums in auto-ints Jakub Kicinski
2025-07-09 9:05 ` Donald Hunter
2025-07-08 22:06 ` [PATCH net-next 3/5] ethtool: mark ETHER_FLOW as usable for Rx hash Jakub Kicinski
2025-07-08 22:06 ` [PATCH net-next 4/5] ethtool: rss: report which fields are configured for hashing Jakub Kicinski
2025-07-08 22:06 ` [PATCH net-next 5/5] selftests: drv-net: test RSS header field configuration Jakub Kicinski
2025-07-11 1:20 ` [PATCH net-next 0/5] ethtool: rss: report which fields are configured for hashing patchwork-bot+netdevbpf
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