zephyr

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Author	SHA1	Message	Date
Pieter De Gendt	bf2db7afc0	python: Format and sort imports ruff check --select I001 --fix applied to all python files that had this as only issue. Signed-off-by: Pieter De Gendt <pieter.degendt@basalte.be>	8 months ago
Jamie McCrae	ec7044437e	treewide: Disable automatic argparse argument shortening Disables allowing the python argparse library from automatically shortening command line arguments, this prevents issues whereby a new command is added and code that wrongly uses the shortened command of an existing argument which is the same as the new command being added will silently change script behaviour. Signed-off-by: Jamie McCrae <jamie.mccrae@nordicsemi.no>	2 years ago
Marcin Niestroj	c4bd3f1e38	tests: net: socket: udp: verify that sent DGRAM was not fragmented Datagrams should either be fully sent or not sent at all if networking buffers or network interface MTU does not allow that. Verify that by trying to send MTU+1 bytes in case of IPv4 (as IP level fragmentation is not implemented) and IPv6 (should fail when IPv6 fragmentation support is not enabled and succeed otherwise). In case of IPv6 try to send "total number of network buffers + 1", so that even with IPv6 fragmentation enabled requested datagram will not be sent. In all tested cases when datagram is too big, check that ENOMEM error code is set. NOTE: Tested behavior is not 100% compliant with Linux, as on Linux EMSGSIZE error code is set when trying to send datagram bigger than MTU, when manually disabling IP fragmentation (by setting IP_MTU_DISCOVER to IP_PMTUDISC_DO). However, it is not trivial to implement such behavior (EMSGSIZE error due to MTU) now and there is always a risk of running out of buffers (and getting ENOMEM), so for now implemented tests just assume the latter case to always happen. Add 3rd testcase, which enables IPv6 fragmentation support, so that UDP socket behavior can be tested in that context. Signed-off-by: Marcin Niestroj <m.niestroj@emb.dev>	3 years ago

Author

SHA1

Message

Date

Pieter De Gendt

bf2db7afc0

python: Format and sort imports

ruff check --select I001 --fix applied to all python files that had
this as only issue.

Signed-off-by: Pieter De Gendt <pieter.degendt@basalte.be>

8 months ago

Jamie McCrae

ec7044437e

treewide: Disable automatic argparse argument shortening

Disables allowing the python argparse library from automatically
shortening command line arguments, this prevents issues whereby
a new command is added and code that wrongly uses the shortened
command of an existing argument which is the same as the new
command being added will silently change script behaviour.

Signed-off-by: Jamie McCrae <jamie.mccrae@nordicsemi.no>

2 years ago

Marcin Niestroj

c4bd3f1e38

tests: net: socket: udp: verify that sent DGRAM was not fragmented

Datagrams should either be fully sent or not sent at all if networking
buffers or network interface MTU does not allow that.

Verify that by trying to send MTU+1 bytes in case of IPv4 (as IP level
fragmentation is not implemented) and IPv6 (should fail when IPv6
fragmentation support is not enabled and succeed otherwise). In case of
IPv6 try to send "total number of network buffers + 1", so that even with
IPv6 fragmentation enabled requested datagram will not be sent. In all
tested cases when datagram is too big, check that ENOMEM error code is set.

NOTE: Tested behavior is not 100% compliant with Linux, as on Linux
EMSGSIZE error code is set when trying to send datagram bigger than MTU,
when manually disabling IP fragmentation (by setting IP_MTU_DISCOVER to
IP_PMTUDISC_DO). However, it is not trivial to implement such
behavior (EMSGSIZE error due to MTU) now and there is always a risk of
running out of buffers (and getting ENOMEM), so for now implemented tests
just assume the latter case to always happen.

Add 3rd testcase, which enables IPv6 fragmentation support, so that UDP
socket behavior can be tested in that context.

Signed-off-by: Marcin Niestroj <m.niestroj@emb.dev>

3 years ago

3 Commits (bf2db7afc0316c752fed4919bda8a7123bf54bf8)