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NAME | SYNOPSIS | DESCRIPTION | OPTIONS | SEE ALSO | COLOPHON |
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SKB editing action in tc(8) Linux SKB editing action in tc(8)
skbedit - SKB editing action
tc ... action skbedit [ queue_mapping QUEUE_MAPPING ] [ priority
PRIORITY ] [ mark MARK[/MASK] ] [ ptype PTYPE ] [
inheritdsfield ]
The skbedit action allows one to change a packet's associated
meta data. It complements the pedit action, which in turn allows
one to change parts of the packet data itself.
The most unique feature of skbedit is its ability to decide over
which queue of an interface with multiple transmit queues the
packet is to be sent out. The number of available transmit queues
is reflected by sysfs entries within
/sys/class/net/<interface>/queues with name tx-N (where N is the
actual queue number).
queue_mapping QUEUE_MAPPING
Override the packet's transmit queue. Useful when applied
to packets transmitted over MQ-capable network interfaces.
QUEUE_MAPPING is an unsigned 16bit value in decimal
format.
priority PRIORITY
Override the packet classification decision. PRIORITY is
either root, none or a hexadecimal major class ID
optionally followed by a colon (:) and a hexadecimal minor
class ID.
mark MARK[/MASK]
Change the packet's firewall mark value. MARK is an
unsigned 32bit value in automatically detected format
(i.e., prefix with '0x' for hexadecimal interpretation,
etc.). MASK defines the 32-bit mask selecting bits of
mark value. Default is 0xffffffff.
ptype PTYPE
Override the packet's type. Useful for setting packet type
to host when needing to allow ingressing packets with the
wrong MAC address but correct IP address. PTYPE is one
of: host, otherhost, broadcast, multicast
inheritdsfield
Override the packet classification decision, and any value
specified with priority, using the information stored in
the Differentiated Services Field of the IPv6/IPv4 header
(RFC2474).
tc(8), tc-pedit(8)
This page is part of the iproute2 (utilities for controlling
TCP/IP networking and traffic) project. Information about the
project can be found at
⟨http://www.linuxfoundation.org/collaborate/workgroups/networking/iproute2⟩.
If you have a bug report for this manual page, send it to
netdev@vger.kernel.org, shemminger@osdl.org. This page was
obtained from the project's upstream Git repository
⟨https://git.kernel.org/pub/scm/network/iproute2/iproute2.git⟩ on
2024-06-14. (At that time, the date of the most recent commit
that was found in the repository was 2024-06-11.) If you
discover any rendering problems in this HTML version of the page,
or you believe there is a better or more up-to-date source for
the page, or you have corrections or improvements to the
information in this COLOPHON (which is not part of the original
manual page), send a mail to man-pages@man7.org
iproute2 12 Jan 2015 SKB editing action in tc(8)
Pages that refer to this page: tc-actions(8), tc-fw(8), tc-skbprio(8)
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HTML rendering created 2024-06-26 by Michael Kerrisk, author of The Linux Programming Interface. For details of in-depth Linux/UNIX system programming training courses that I teach, look here. Hosting by jambit GmbH. |
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