On Thu, Apr 13, 2023 at 11:35 PM Ihar Hrachyshka <[email protected]> wrote:
> Scapy allows to define packets in descriptive form that is easier to > digest and debug. > > Signed-off-by: Ihar Hrachyshka <[email protected]> > --- > v1: initial version > v2: use .decode() instead of sed to truncate b'...' > v2: remove unnecessary backspaces in example of use > v2: use $PYTHON3 > --- > tests/ovn-macros.at | 23 +++++++++++++++++++++++ > 1 file changed, 23 insertions(+) > > diff --git a/tests/ovn-macros.at b/tests/ovn-macros.at > index ee942e8a6..6f2d085ae 100644 > --- a/tests/ovn-macros.at > +++ b/tests/ovn-macros.at > @@ -817,6 +817,29 @@ ovn_trace_client() { > ovs-appctl -t $target trace "$@" | tee trace | sed '/^# /d' > } > > +# Receives a string with scapy python code that represents a packet. > +# Returns a hex-string that contains bytes that reflect the packet > symbolic > +# description. > +# > +# Scapy docs: https://scapy.readthedocs.io/en/latest/usage.html > +# > +# Example of usage: > +# > +# packet=$(fmt_pkt " > +# Ether(dst='ff:ff:ff:ff:ff:ff', src='50:64:00:00:00:01') / > +# IPv6(src='abed::1', dst='ff02::1:ff00:2') / > +# ICMPv6ND_NS(tgt='abed::2') > +# ") > +# > +# ovs-appctl netdev-dummy/receive $vif $packet > +# > +fmt_pkt() { > + echo "from scapy.all import *; \ > + import binascii; \ > + out = binascii.hexlify(raw($1)); \ > + print(out.decode())" | $PYTHON3 > +} > + > OVS_END_SHELL_HELPERS > > m4_define([OVN_POPULATE_ARP], [AT_CHECK(ovn_populate_arp__, [0], > [ignore])]) > -- > 2.38.1 > > _______________________________________________ > dev mailing list > [email protected] > https://mail.openvswitch.org/mailman/listinfo/ovs-dev > > Looks good to me, thanks. Acked-by: Ales Musil <[email protected]> -- Ales Musil Senior Software Engineer - OVN Core Red Hat EMEA <https://www.redhat.com> [email protected] IM: amusil <https://red.ht/sig> _______________________________________________ dev mailing list [email protected] https://mail.openvswitch.org/mailman/listinfo/ovs-dev
