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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-30 02:54:50 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-30 02:54:50 +0000
commitbed7c36e1c8f2558195ea7f9039b2e7feae17087 (patch)
treee3a3f97bae5911f79c3626d855d8c8b1137cd691 /ethtool.8.in
parentReleasing progress-linux version 1:6.7-1~progress7.99u1. (diff)
downloadethtool-bed7c36e1c8f2558195ea7f9039b2e7feae17087.tar.xz
ethtool-bed7c36e1c8f2558195ea7f9039b2e7feae17087.zip
Merging upstream version 1:6.9.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'ethtool.8.in')
-rw-r--r--ethtool.8.in20
1 files changed, 19 insertions, 1 deletions
diff --git a/ethtool.8.in b/ethtool.8.in
index 7a3080f..8090f0f 100644
--- a/ethtool.8.in
+++ b/ethtool.8.in
@@ -117,7 +117,7 @@
. hy \\n(HY
..
.
-.TH ETHTOOL 8 "January 2024" "Ethtool version @VERSION@"
+.TH ETHTOOL 8 "May 2024" "Ethtool version @VERSION@"
.SH NAME
ethtool \- query or control network driver and hardware settings
.
@@ -351,6 +351,7 @@ ethtool \- query or control network driver and hardware settings
.RB ...\ | \ default \ ]
.RB [ hfunc
.IR FUNC ]
+.B2 xfrm symmetric-xor none
.RB [ context
.I CTX
.RB |\ new ]
@@ -565,6 +566,10 @@ Turns on debugging messages. Argument is interpreted as a mask:
nokeep;
lB l.
0x01 Parser information
+0x02 Summary of netlink messages
+0x04 Hex dump of sent netlink messages
+0x08 Hex dump of received netlink messages
+0x10 Structure of netlink messages
.TE
.TP
.BI \-\-json
@@ -1201,6 +1206,19 @@ even if a nibble is zero.
Sets RSS hash function of the specified network device.
List of RSS hash functions which kernel supports is shown as a part of the --show-rxfh command output.
.TP
+.BI xfrm
+Sets the RSS input transformation. Currently, only the
+.B symmetric-xor
+transformation is supported where the NIC XORs the L3 and/or L4 source and
+destination fields (as selected by
+.B --config-nfc rx-flow-hash
+) before passing them to the hash algorithm. The RSS hash function will
+then yield the same hash for the other flow direction where the source and
+destination fields are swapped (i.e. Symmetric RSS). Note that XORing the
+input parameters reduces the entropy of the input set and the hash algorithm
+could potentially be exploited. Switch off (default) by
+.B xfrm none.
+.TP
.BI start\ N
For the \fBequal\fR and \fBweight\fR options, sets the starting receive queue
for spreading flows to \fIN\fR.