Collect network statistics if CONFIG_NET_STATISTICS is
defined.
Change-Id: Id217daa3e19142c95396dc391ba2dc4123b18b22
Signed-off-by: Jukka Rissanen <jukka.rissanen@linux.intel.com>
Currently all received packets are dropped as this is just
the initial patch enabling the receive support.
Change-Id: Ib06735f498a80edb8c9f7c5ec6f536a5ac1d362a
Signed-off-by: Jukka Rissanen <jukka.rissanen@linux.intel.com>
Ensure that all parameters and return values are properly documented.
Change-Id: I04b19701355e994ba45cbc98167386c01d0f607b
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Instead of directly calling printk/printf, the network printing
macros will use syslog macros defined in sys_log.h
Change-Id: I3f12f81557f50b24ca47a43f345162f9ffbd574c
Signed-off-by: Jukka Rissanen <jukka.rissanen@linux.intel.com>
The send() function is called from IP stack and it is used
when the network packet needs to be send via a specific
network interface.
Change-Id: Id6ce86b1748915fee73b62366dee13fcb7cf11a1
Signed-off-by: Jukka Rissanen <jukka.rissanen@linux.intel.com>
This will return the network interface that has some specific
link address.
Change-Id: Iaebcf6e769d4f91f3cda6d3a0779324f89603b54
Signed-off-by: Jukka Rissanen <jukka.rissanen@linux.intel.com>
This macro can be used to check stack usage. It should only
be used when debugging is activated.
Change-Id: I99fe6f9db1f3e955152a91f3a18d031126172cfd
Signed-off-by: Jukka Rissanen <jukka.rissanen@linux.intel.com>
The NET_IF_INIT() macro used parameter pasting incorrectly.
Change-Id: I40a988ffb06ce135731cd69f18931b7507cd71cc
Signed-off-by: Jukka Rissanen <jukka.rissanen@linux.intel.com>
User should use the net_nbuf API that is supporting a concept
of RX, TX and DATA buffers, instead of using directly the net_buf
low level API.
Change-Id: I3b8f5f13cd37d42d2322a58b35573e117d520c54
Signed-off-by: Jukka Rissanen <jukka.rissanen@linux.intel.com>
Save 12 bytes per IP address if IPv4 is active and IPv6 is not.
Change-Id: Ia01d2feb83e6ba80b2775f9eed3065c956932632
Signed-off-by: Jukka Rissanen <jukka.rissanen@linux.intel.com>
Network drivers should call this when new data has been
received from network.
Change-Id: Ife78fa0683b8c410c38358300a6a18e9325f0ef8
Signed-off-by: Jukka Rissanen <jukka.rissanen@linux.intel.com>
Network packets to be sent are placed to correct fifo that
is allocated to certain network interface.
Change-Id: Idd5eded42758c5bed2c18769122c38d9d03dc419
Signed-off-by: Jukka Rissanen <jukka.rissanen@linux.intel.com>
This will be used by the new network stack to relate a device to actual
network context, and used in the different layers (mac, ip ...).
Change-Id: I30c08fa975314544c36b71636fd9653d562891b3
Signed-off-by: Tomasz Bursztyka <tomasz.bursztyka@linux.intel.com>
It only describes the structure for now, but will then provide helpers.
Change-Id: I7ac7717a3289086dac50d90e25b2a1ce7d7abc91
Signed-off-by: Tomasz Bursztyka <tomasz.bursztyka@linux.intel.com>
This is a placeholder that just compiles but does nothing else.
Change-Id: I9689fa26eb13bc23d29940938f7b3c11f32b2ff1
Signed-off-by: Jukka Rissanen <jukka.rissanen@linux.intel.com>
Utility function net_buf_frags_len() calculates amount of data
stored in the fragments.
Change-Id: I89ebc8dac4f216ff9e77b5c44002082398957f7b
Signed-off-by: Jukka Rissanen <jukka.rissanen@linux.intel.com>
User can add fragments to the network packet if the data cannot
be placed in one buffer.
Change-Id: I060ef533cc4fdda0f38405fb7dc72015f5cac7fc
Signed-off-by: Jukka Rissanen <jukka.rissanen@linux.intel.com>
This is similar to the other net_buf_*_u8() helpers that already
exist.
Change-Id: I63fc963877c1946964e675067dd98f748be7cbbc
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Add helpers for big-endian 16-bit values, similar to the ones that
already exist for little-endian values.
Change-Id: I63bf4dd7df802669ea6657cd95d6da48e6176487
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
This API allows initializing the buffer with a given headroom. This
prepares the way for eventually removing the 'reserve_head' parameter
from the net_buf_get APIs, but can already now be useful in some
scenarios where the headroom is desired to be different than some
higher level API sets it to be.
Change-Id: Iffbe5761fdf3d2ad8cb4b8437b1074cf42ea9c6c
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Until now, NET_BUF_POOL() would be opportunistic and allocate a few
more bytes extra for the buffer content if the given size wasn't a
multiple of 4. This is an issue however if the API user really wants
to have a precise size for the buffer so that e.g. net_buf_tailroom
gives meaningful and deterministic results.
This patch removes the opportunistic rounding up, basically leaving it
up to the application to decide if it wants to have unused padding in
the data structure or not.
The crucial thing here is to ensure that locating the user data
section (which is aligned to a 4-byte boundary) doesn't break, since
buf->size is used for that. However, the net_buf_user_data()
implementation already uses ROUND_UP() so the result will still be
the same even if buf->size is not a multiple of 4.
Change-Id: I4bc17139cda19a680180c2d326d417a41ad0d4cd
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Using macros does not let the compiler verifying about the type we are
providing, which usually give an error easier to understand.
Also, this will let the compiler deciding how to actually optimize
(inline or not) the code.
Change-Id: I17fb1f5a1c1854461fad101bbb40c9be33844c8b
Signed-off-by: Tomasz Bursztyka <tomasz.bursztyka@linux.intel.com>
Make sure all is documented, and the comments properly formated.
Change-Id: I7431535b0f3a409e63ac4b12c421be662098eed1
Signed-off-by: Tomasz Bursztyka <tomasz.bursztyka@linux.intel.com>
Introduce support buffer fragment chains that are linked together.
This is done with the help of a flag while the buffer is inside a FIFO
(indicating that the next fragment follows it in the same FIFO) and
with the help of a "next" pointer while the buffer is outside of a
FIFO.
In order to do proper "marshaling" a new net_buf_put() API needs to be
always used when inserting a buffer into a FIFO. Respectively, the
net_buf_get() and net_buf_get_timeout() functions are extended to
support getting buffers from arbitrary FIFOs and reassemble the
fragment chain based on the flags that the received buffers contain.
The insertion of a fragment chain using net_buf_put() into a FIFO is
done atomically with the help of irq_lock/unlock since FIFOs support
multiple writers, however since there's ever only a single reader per
FIFO similar locking is not necessary there.
Change-Id: I0ec579f63ea8d063f50e3f1f4c2e80ec399622d7
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
With this API it's possible for the caller to force specific behavior
when it comes to waiting (or not waiting) on the FIFO.
Change-Id: Ib66e2f767c26c82abf1ba3b80bd15aec2383542e
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
IP packet passing through 6lowpan compression and 802.15.4
fragmentation has an issue. (RFC 6282 and 4944) RFC4944, 5.3
says "fragment header's datagram_size and datagram_offset
values as the size and offset of the IPv6 datagram before
compression".
At the moment datagram size and offset values are after
compression. Due to multiple bearer (15.4 and bluetooth) support
and multiple incoming buffers support functionality is divided
to compression and fragmentation parts. And datagram size and
offset values for BT are after compression. Small packet (which
doesn't need fragmentation) doesn't go through this. So cacheing
compressed and uncompressed header lengths and with hdr difference
preparing fragments as per original buffer (total buf size and offset).
Change-Id: I9d3b0433e64964c68519d7c007cc06ec6035b573
Jira: ZEP-208
Signed-off-by: Ravi kumar Veeramally <ravikumar.veeramally@linux.intel.com>
If application calls net_send(), set the retry count to some
low number (currently 5) so that we do not wait forever but
eventually we try to send the data properly.
Change-Id: I8103246ac9227a0cf70b56aecab6ed8307877e19
Signed-off-by: Jukka Rissanen <jukka.rissanen@linux.intel.com>
These are internal functions needed when initiating a TCP
connection.
Change-Id: Ide5d59ac9854ec8bdea3baa97b3cde3ffa6a5e0f
Signed-off-by: Jukka Rissanen <jukka.rissanen@linux.intel.com>
The function gets 32bit-wide data from net buffer and converts the
value from little endian to host order.
Change-Id: I2d2454951b3ac39686a25454678ce92d8a1a0f3d
Signed-off-by: Arkadiusz Lichwa <arkadiusz.lichwa@tieto.com>
The function gets 32bits wide data, converts host order to little
endian and then puts the data on protocol stack to be send.
Change-Id: I29e4040b302a16b551a0922133c327ff694fec5d
Signed-off-by: Arkadiusz Lichwa <arkadiusz.lichwa@tieto.com>
User can enable TCP server (listening socket) support in the
IP stack. This commit does not yet have TCP client (connecting
socket) support.
Change-Id: I75dd02a81addc1d1e026463b53631d56378157df
Signed-off-by: Jukka Rissanen <jukka.rissanen@linux.intel.com>
Add ip_buf_ref() helper that helps to track the calls to
net_buf refcounting in IP stack.
Change-Id: Ie5f5a5d57b6ffcb20df4fbc9f25c6c73a99589df
Signed-off-by: Jukka Rissanen <jukka.rissanen@linux.intel.com>
When using the CSMA MAC driver, a new packet can be queued before
all the fragments of the previous one were sent. The transmit_packet_list()
function will start sending the old fragments with the new net_buf context.
Keep a per-context neighbor_list to avoid that
Change-Id: I9d41a923c48f597cc95a8f8c9f67884c5caac02c
Signed-off-by: Vlad Lungu <vlad.lungu@windriver.com>
When user creates a socket using net_context_get(), the function
requires local endpoint IP address. This should not be a NULL
pointer because the storage for that IP address was statically
allocated inside the function. Because of this the user needs
to allocate the storage for this and pass that local IP address
to the function. The net_context_get() will fill that local
address to sane value if user passes ANY address (== all bytes
are zeroes) to it.
Change-Id: I88314957f07912d9ecbe517a2402822401d81bd9
Signed-off-by: Jukka Rissanen <jukka.rissanen@linux.intel.com>
If the user unsets CONFIG_NETWORKING_WITH_LOGGING, it will mean he
really doesn't want to get any network stack logging output.
Change-Id: I0629a045adbf8916327a8a9ba69b6e6e9ee2e7d9
Signed-off-by: Tomasz Bursztyka <tomasz.bursztyka@linux.intel.com>
A helper for the (fairly common) task of decoding individual 8-bit
values.
Change-Id: Id7e97df152232d5dd9861cf1e107877f1b8febaa
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
There are many situations when encoding data when we need to insert
single bytes to the buffer. With this helper the encoding code stays a
bit more readable.
Change-Id: Ibc0ce43af5ae25a1baa0f1adbc5816ae7c04e3bb
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
This makes it easier to correlate the debug messages
to different fibers.
Change-Id: I6fb2d1265bb39fd27a1d1702e47eaf70e81ee98d
Signed-off-by: Jukka Rissanen <jukka.rissanen@linux.intel.com>
The stack analyzer works now same was as the one found in
Bluetooth sub-system.
Change-Id: I75e393882db6ba83f991d37aa2bf81d960b61231
Signed-off-by: Jukka Rissanen <jukka.rissanen@linux.intel.com>
newlib is declaring __unused in cdef.h which was conflicting with
__unused member in struct net_buf. Use _unused name instead.
In file included from /work/Zephyr/project/zephyr-project/net/buf.c:27:0:
include/net/buf.h:38:14: error: declaration does not declare anything
[-Werror]
int __unused;
^
cc1: all warnings being treated as errors
Change-Id: I2df189a4d4aee0f982c2d28d24847052f6168d45
Signed-off-by: Szymon Janc <ext.szymon.janc@tieto.com>
Adds extern "C" { } blocks to header files so that they can be
safely used by C++ source files.
Change-Id: Ia4db0c36a5dac5d3de351184a297d2af0df64532
Signed-off-by: Peter Mitsis <peter.mitsis@windriver.com>
