Since a separate CONFIG_NET_TC_RX_SKIP_FOR_HIGH_PRIO was introduced for
RX TC queues, CONFIG_NET_TC_SKIP_FOR_HIGH_PRIO became ambiguous,
rename it to CONFIG_NET_TC_TX_SKIP_FOR_HIGH_PRIO and deprecate the old
config.
Signed-off-by: Robert Lubos <robert.lubos@nordicsemi.no>
Add a configuration option to skip the rx-queues for high priority packets
analogously to the tx-side.
Signed-off-by: Cla Mattia Galliard <cla-mattia.galliard@zuehlke.com>
This removes the deprecated CONFIG_NET_PKT_BUF_DATA_POOL_SIZE.
User should either use CONFIG_NET_PKT_BUF_RX_DATA_POOL_SIZE or
CONFIG_NET_PKT_BUF_TX_DATA_POOL_SIZE depending of net packet type.
Signed-off-by: Jukka Rissanen <jukka.rissanen@nordicsemi.no>
Add support for IP_LOCAL_PORT_RANGE socket option. The option
supports both IPv4 and IPv6 sockets although the type is IPPROTO_IP.
The option can be used to enforce the ephemeral port number selection
to be in certain range.
Signed-off-by: Jukka Rissanen <jukka.rissanen@nordicsemi.no>
Send a network management event for a changed path MTU value.
Both IPv4 and IPv6 have their own events as we cannot mix these
because how the network event numbering space is implemented.
Signed-off-by: Jukka Rissanen <jukka.rissanen@nordicsemi.no>
Show information whether PMTU is enabled or not.
Show pmtu destination cache content with "net pmtu"
command. The "net pmtu flush" can be used to clear the
cache.
Signed-off-by: Jukka Rissanen <jukka.rissanen@nordicsemi.no>
This adds generic code that can be used by both IPv4 and IPv6
Path MTU Discovery mechanism. The actual PMTU support for each
protocol family is in subsequent commits.
Signed-off-by: Jukka Rissanen <jukka.rissanen@nordicsemi.no>
If CONFIG_NET_PKT_ALLOC_STATS is enabled, then "net mem" command
can show net_pkt allocation statistics like succeed / failed
allocation counts, average sizes and allocation time.
Signed-off-by: Jukka Rissanen <jukka.rissanen@nordicsemi.no>
User can set CONFIG_NET_SHELL_SHOW_DISABLED_COMMANDS=n to prevent
unused net-shell commands from showing. This can save flash as
the disabled commands will not be shown in net-shell listing.
Signed-off-by: Jukka Rissanen <jukka.rissanen@nordicsemi.no>
IPv4 Kconfig options which only affect native IPv4 stack should be
dependent on NET_NATIVE_IPV4, similarly as it's done for IPv6.
Signed-off-by: Robert Lubos <robert.lubos@nordicsemi.no>
The minimum length for the network interface buffer is 2 so that we
can have terminating null there.
Signed-off-by: Jukka Rissanen <jukka.rissanen@nordicsemi.no>
This is next commit from the set of patches that brings to the
Zephyr, SO_TIMESTAMPING socket level option. It stores timestamping
option bitmask that can be transfered to the net_pkt.
Signed-off-by: Adam Wojasinski <awojasinski@baylibre.com>
This commit introduces a new option CONFIG_NET_MCAST_ROUTE_MLD_REPORTS
which appends multiacst routes to MLDv2 reports. These records are
intended to inform reports' recipients about potential listeners on
the other interfaces.
Signed-off-by: Konrad Derda <konrad.derda@nordicsemi.no>
In order to save memory, a single multicast routing entry now
contains configurable number of network interfaces.
Signed-off-by: Konrad Derda <konrad.derda@nordicsemi.no>
Remove IPSP support from the tree.
It has no maintainers, and is regularly broken. The fact that it's
nontrivial to set-up in linux makes it hard to fix reported issues.
Signed-off-by: Jonathan Rico <jonathan.rico@nordicsemi.no>
Commit e99b5228a1 changed the default
networking behavior on qemu platforms, as the SLIP_TAP driver no longer
selected Ethernet L2. In results, qemu platforms in default
configuration had no network interface to work with.
Fix this, by restoring select for NET_L2_ETHERNET, but this time in
NET_SLIP_TAP. The difference is that SLIP_TAP is a generic driver
config, which could be enabled on any platform, so not changing the
behavior here, while NET_SLIP_TAP is a config dedicated for qemu only,
so it's reasonable to enable all that's needed to get SLIP to work with
qemu by default.
As there were circular Kconfig dependencies, move the respective qemu
configs outside of NET_RAW_MODE if block (as this caused the circular
dependency with ETH_DRIVER_RAW_MODE). Also, remove dependency to
NET_L2_BT, as it made little sense there, and also caused dependency
problems.
Signed-off-by: Robert Lubos <robert.lubos@nordicsemi.no>
Instead of having a single config specifying the memory pool size for
variable-sized net buffers, have a separate one for TX and RX for better
configuration granularity when optimizing memory usage of the
application.
Deprecate the old configuration but use its value as a default (for now)
for the new configs. This will need to change when the config is
deleted.
Signed-off-by: Robert Lubos <robert.lubos@nordicsemi.no>
It's an optional support, and it should not select it by default.
Improving information message in case such support is disabled.
Signed-off-by: Tomasz Bursztyka <tomasz.bursztyka@linux.intel.com>
Add traffic class priority custom option to customize traffic class
priority base for throughput performace.
Wi-Fi traffic performance depends on cooperation between net threads
and Wi-Fi driver threads. So we want traffic class threads priority
to be more flexible to fit more vendors.
Eg: when traffic class tx thread priority is higher than driver tx
thread, it will consume much more cpu time and send packets until driver
queue full.
When traffic class tx thread priority is lower than driver tx thread,
it will become serial transmition, also affecting throughput.
Signed-off-by: Fengming Ye <frank.ye@nxp.com>
Various network shell commands like ping need floating
point support from libc so select the CONFIG_REQUIRES_FLOAT_PRINTF
option for it.
Fixes#67601
Signed-off-by: Jukka Rissanen <jukka.rissanen@nordicsemi.no>
In case one of the networking shell backends is enabled, net arp command
could potentially trigger a deadlock, as it locks the ARP mutex before
TCP connection mutex, while TCP stack could do this in reverse order
(for instance when sending ACK or retransmission).
Mitigate this, by forcing a separate TX thread in such case, so that ARP
mutex is no longer accessed with TCP mutex locked.
Signed-off-by: Robert Lubos <robert.lubos@nordicsemi.no>
The number of Kconfig options for the TCP stack grew considerably,
therefore it makes sense to move them to a separate file not to bloat
the Kconfig file with generic networking options.
Take this opportunity to reorder TCP options, so that protocol
parameters (timings/buffer sizes) are not mixed up with optional
protocol features (fast retransmit/congestion avoidance etc.).
Signed-off-by: Robert Lubos <robert.lubos@nordicsemi.no>
When a TCP connection is established, if there is no data exchange
between the two parties within the set time, the side that enables
TCP Keep-alive will send a TCP probe packet with the same sequence
number as the previous TCP packet. This TCP probe packet is an empty
ACK packet (the specification recommends that it should not contain
any data, but can also contain 1 nonsense byte, such as 0x00.). If
there is no response from the other side after several consecutive
probe packets are sent, it is determined that the tcp connection has
failed, and the connection is closed.
The keep-alive default parameters are aligned with Linux defaults.
Signed-off-by: Horse Ma <mawei@coltsmart.com>
Signed-off-by: Robert Lubos <robert.lubos@nordicsemi.no>
Add low level support for setting IP_PKTINFO or IPV6_RECVPKTINFO
socket options. The support is disabled by default.
Signed-off-by: Jukka Rissanen <jukka.rissanen@nordicsemi.no>
Instead of consistently checking for both, IPv4 and IPv6 fragmentation
in several places, add a hidden Kconfig symbol which indicates that some
IP fragmentation has been enabled (either IPv4 or IPv6 or both).
Signed-off-by: Robert Lubos <robert.lubos@nordicsemi.no>
This commit names a couple of choices to allow the default
value to be overridden by Kconfig files out of tree
Signed-off-by: Emil Lindqvist <emil@lindq.gr>
If user adds IPv6 address to the network interface, check
if the address is a multicast one and add it to multicast
group if it is.
Signed-off-by: Jukka Rissanen <jukka.rissanen@nordicsemi.no>
If user adds IPv4 address to the network interface, check
if the address is a multicast one and add it to multicast
group if it is.
Fixes#64389
Signed-off-by: Jukka Rissanen <jukka.rissanen@nordicsemi.no>
If we run network tests under tests/net, then set the
Dummy network interface as a default one so that it will
be picked up first.
This should solve the issue if the DUT is having a real
network interfaces like onboard Ethernet interface which
could cause the test to fail. The test might fail in this
case because the network tests assume that only simulated
network interfaces are used by the tests.
Signed-off-by: Jukka Rissanen <jukka.rissanen@nordicsemi.no>
This allows IPv4 and IPv6 share the same port space.
User can still control the behavior of the v4-mapping-to-v6
by using the IPV6_V6ONLY socket option at runtime.
Currently the IPv4 mapping to IPv6 is turned off by
default, and also the IPV6_V6ONLY is true by default which
means that IPv4 and IPv6 do not share the port space.
Only way to use v4-mapping-to-v6 is to enable the Kconfig
option and turn off the v6only socket option.
Signed-off-by: Jukka Rissanen <jukka.rissanen@nordicsemi.no>
Add Kconfig option to control TCP RST behavior on connection attempts on
unbound ports. If enabled, TCP stack will reply with RST packet (enabled
by default).
Signed-off-by: Robert Lubos <robert.lubos@nordicsemi.no>
The priority 3 (Critical applications) was incorrectly marked as
"highest priority", which might have led to incorrect use of
NET_PRIORITY_CA in some cases.
Note that this is already correctly advertized in other places, as it
was partially fixed in af8a0b1a5d.
NET_TC_SKIP_FOR_HIGH_PRIO was previously only allowing to push priority
3 (Critical applications) packets directly to the driver, but not the
ones with a higher priority. Change it so that it is now in effect for
priority 3 and above.
Signed-off-by: Ambroise Vincent <ambroise.vincent@arm.com>
Add suitable functions that offloaded network device driver
can receive ICMP Echo-Request (ping) requests and give
ICMP responses back when it receives them from the network.
Signed-off-by: Jukka Rissanen <jukka.rissanen@nordicsemi.no>
This commits adds support for the SO_REUSEPORT socket option.
The implementation follows the behavior of BSD and tries to also follow
the specific additional features of linux with the following
limitations:
* SO_REUSEADDR and SO_REUSEPORT are not "the same" for client sockets,
as we do not have a trivial way so identify a socket as "client"
during binding. To get the Linux behavior, one has to use SO_REUSEPORT
with Zephyr
* No prevention of "port hijacking"
* No support for the load balancing stuff for incoming
packets/connections
There is also a new Kconfig option to control this feature, which is
enabled by default if TCP or UDP is enabled.
Signed-off-by: Tobias Frauenschläger <t.frauenschlaeger@me.com>
This commit adds support for the SO_REUSEADDR option to be enabled for
a socket using setsockopt(). With this option, it is possible to bind
multiple sockets to the same local IP address / port combination, when
one of the IP address is unspecified (ANY_ADDR).
The implementation strictly follows the BSD implementation and tries to
follow the Linux implementation as close as possible. However, there is
one limitation: for client sockets, the Linux implementation of
SO_REUSEADDR behaves exactly like the one for SO_REUSEPORT and enables
multiple sockets to have exactly the same specific IP address / port
combination. This behavior is not possible with this implementation, as
there is no trivial way to identify a socket to be a client socket
during the bind() call. For this behavior, one has to use the
SO_REUSEPORT option in Zephyr.
There is also a new Kconfig to control this feature similar to other
socket options: CONFIG_NET_CONTEXT_REUSEADDR. This option is enabled by
default if TCP or UDP are enabled. However, it can still be disabled
explicitly.
Signed-off-by: Tobias Frauenschläger <t.frauenschlaeger@me.com>
This adds support to allow any priority from the user instead of
limiting to the protocol values (0-7). This is useful in conveying
custom priorities from application to the driver/chipset.
Signed-off-by: Chaitanya Tata <Chaitanya.Tata@nordicsemi.no>
If CONFIG_NET_INTERFACE_NAME is enabled (default is y), then
system will automatically set a user friendly name to the network
interface like eth0, wlan0 etc.
Application can change the interface name if needed.
Signed-off-by: Jukka Rissanen <jukka.rissanen@nordicsemi.no>
To avoid a TCP connection from collapsing a link, implement a collision
avoidance algorithm. Initially TCP new Reno is implemented for its
simplicity.
Signed-off-by: Sjors Hettinga <s.a.hettinga@gmail.com>
The TCP work queue is handles all TCP transmission and maintenance tasks.
Make it's priority configurable, so it can be configured to a lower
priority than the lower level network layers to avoid it consuming all
net_bufs before handing over execution to the lower layer network layers.
Signed-off-by: Sjors Hettinga <s.a.hettinga@gmail.com>
This is meant as a substitute for sys_clock_timeout_end_calc()
Current sys_clock_timeout_end_calc() usage opens up many bug
possibilities due to the actual timeout evaluation's open-coded nature.
Issue ##50611 is one example.
- Some users store the returned value in a signed variable, others in
an unsigned one, making the comparison with UINT64_MAX (corresponding
to K_FOREVER) wrong in the signed case.
- Some users compute the difference and store that in a signed variable
to compare against 0 which still doesn't work with K_FOREVER. And when
this difference is used as a timeout argument then the K_FOREVER
nature of the timeout is lost.
- Some users complexify their code by special-casing K_NO_WAIT and
K_FOREVER inline which is bad for both code readability and binary
size.
Let's introduce a better abstraction to deal with absolute timepoints
with an opaque type to be used with a well-defined API.
The word "timeout" was avoided in the naming on purpose as the timeout
namespace is quite crowded already and it is preferable to make a
distinction between relative time periods (timeouts) and absolute time
values (timepoints).
A few stacks are also adjusted as they were too tight on X86.
Signed-off-by: Nicolas Pitre <npitre@baylibre.com>
Add a configuration option to set Wi-Fi as default interface and also
add an API to get first available Wi-Fi interface.
Signed-off-by: Chaitanya Tata <Chaitanya.Tata@nordicsemi.no>
According to RFC768 UDP packets with zero checksum are allowed with IPv4.
Enable this by default.
For example, some routers use zero checksum in DHCP packets.
Signed-off-by: Nils Ruf <nils.ruf@endress.com>
TCP packet allocation timeout is currently 100ms, but there are cases
where it is not enough and as a side effect, the kernel internals are
printing some errors on the log before retrying again, create a
Kconfig parameter to be able to tune this value.
Signed-off-by: Luca Fancellu <luca.fancellu@arm.com>
