Add infrastructure and checks to validate the net_mbuf during
its lifecycle.
Change-Id: Id4b638fff991325d2247b1f24152552038888915
Signed-off-by: Jukka Rissanen <jukka.rissanen@linux.intel.com>
Add macros that check that we are not trying to use already
freed net_buf and vice versa.
Change-Id: Ifdb6a7e24cd6d7a0de46fa7b991c358ea8828d6f
Signed-off-by: Jukka Rissanen <jukka.rissanen@linux.intel.com>
Making sure we do not include anything unless they
are inside include guard.
Change-Id: Ie88cbc0ed6dbbf4033f3c8c310df7d084ab8b126
Signed-off-by: Jukka Rissanen <jukka.rissanen@linux.intel.com>
The net_reply() can be used if the application wants to reply
something to peer right after receiving the data. The function
will reverse the source and destination addresses and ports,
and set the uIP internal structures in such a way that the
reply is possible. Using this function saves the application
from allocating a separate net_buf for just sending simple
message back.
Change-Id: Ia960c83b77a8f300222159ee085fed99e2b007c2
Signed-off-by: Jukka Rissanen <jukka.rissanen@linux.intel.com>
Change all occurances of /*! to /** to match javadoc
style.
Change-Id: I3a759d34e0e928216f61252682266e64c5b875f8
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
6lowpan HC06 and HC01 compression/uncompression functions are
adapted to net_mbuf buffers. HC06 compression and uncompression
works properly. HC01 adapted to net_mbuf but functionality is
failing due to inproper IPv6 link local addresses. buf pointers
from net_mbuf and couple of net_mbuf calls are removed (which
are not used at the moment and saves memory from net_mbuf).
Change-Id: I2711b71b1b8df2eaac67d69275baf4b62b03f9f6
Signed-off-by: Ravi kumar Veeramally <ravikumar.veeramally@linux.intel.com>
Signed-off-by: Jukka Rissanen <jukka.rissanen@linux.intel.com>
This is needed for enabling RPL and 6lowpan support.
Change-Id: I87f95a08db2cc874bbe841d9b1456803ab16d75d
Signed-off-by: Jukka Rissanen <jukka.rissanen@linux.intel.com>
Enable 802.15.4 driver that receives the IPv6 packet, does header
compression on it and writes it to the 15.4 stack Tx FIFO.
The 15.4 Tx fiber will pick up the header compressed IPv6
6LoWPAN packet and fragment it into suitable chunks ready
to be sent to the 15.4 hw driver. The 15.4 stack Rx fiber picks
15.4 frames from 15.4 Rx FIFO (which are fed by 15.4 driver)
and reassembles the all fragmented packets and uncompress the
header and writes to the IP Rx FIFO.
The 15.4 loopback radio driver receives the 15.4 frames and
put it back to 15.4 Rx Fifo.
Change-Id: I68d1c7ff6de0e8770616e574206c2091c69a28e6
Signed-off-by: Ravi kumar Veeramally <ravikumar.veeramally@linux.intel.com>
Signed-off-by: Jukka Rissanen <jukka.rissanen@linux.intel.com>
Move packetbuf from net_buf to net_mbuf, update 802.15.4 stack
with net_mbuf (which is smaller in size, and mostly wrapper for
packetbuf) and split sicslowpan(ipv6/sicslowpan.c|h) functionality
to compression and fragmentataion. This patch contains
null_compression and null_fragmentation which is exactly what
uip_driver.c|h does.
Change-Id: Ifee359e20aa57a50fb00c9ce049d9476b2ac67e3
Signed-off-by: Ravi kumar Veeramally <ravikumar.veeramally@linux.intel.com>
Signed-off-by: Jukka Rissanen <jukka.rissanen@linux.intel.com>
After an IP packet has been (reassembled and) received, the driver
submits the IP packet to the IP stack.
Change-Id: Icbd1e7740ce59db16bc1d61002420e86ab101d2d
Signed-off-by: Patrik Flykt <patrik.flykt@linux.intel.com>
Signed-off-by: Jukka Rissanen <jukka.rissanen@linux.intel.com>
We do not need large 1280 bytes long buffers in lower IP stack
layers. After long packet has been fragmented to smaller chunks
it depends on the radio technology how long buffers we need
to use. For 802.15.4 we can use 128 bytes long buffers.
Change-Id: I8cd6085944d78fa26a4aa1a93c58fc436856541b
Signed-off-by: Jukka Rissanen <jukka.rissanen@linux.intel.com>
The uip_len(buf) cannot be used as the Contiki stack zeroes
the buffer len after sending and after processing received packet.
Thus the application can use uip_appdatalen(buf) macro to get
the application data length.
Change-Id: Iaaa508acb96c28919cfc0188ef46bb2b4a693090
Signed-off-by: Jukka Rissanen <jukka.rissanen@linux.intel.com>
Create IN6ADDR_ANY_INIT and IN6ADDR_LOOPBACK_INIT address
definitions for applications.
Change-Id: Ic864f559cae90a5f85e45ee90d73127b0ed8fde6
Signed-off-by: Jukka Rissanen <jukka.rissanen@linux.intel.com>
Network driver should call this when it knows the device MAC or
EUI-64 address.
Change-Id: Ie03a80fcdb9a10cd1cb15f12037b3802da13bca9
Signed-off-by: Jukka Rissanen <jukka.rissanen@linux.intel.com>
The network address union that holds IPv4 and IPv6 address
should be anonymous as there is no need to refer the union
separately.
Change-Id: I70bab6b91dcf49dfb5adb405eb2b9c602f932603
Signed-off-by: Jukka Rissanen <jukka.rissanen@linux.intel.com>
This mega patch changes how Contiki uses buffers. In standard
Contiki there is only couple of static and global buffers.
This makes the stack non-reentrant and only usable in one
thread. This patch replaces the global buffer with buffer
supplied by caller (net_buf.h). The Contiki stack is still not
fully re-entrant after this (packet reassembly needs more TLC)
but it is a good start.
Change-Id: I63abc230b36b14f33f687d3ef64cffb0f3a69f5d
Signed-off-by: Jukka Rissanen <jukka.rissanen@linux.intel.com>
The network context defines a network connection.
Change-Id: I29a186be6c9de9d824f10b6442fa1dfd3711d24d
Signed-off-by: Jukka Rissanen <jukka.rissanen@linux.intel.com>
Functions to receive data from apps and transmit it to network, and
receive from network and pass data to apps.
Change-Id: I1b1b8c041e6c5e20294081d2cd403636e9909cdc
Signed-off-by: Jukka Rissanen <jukka.rissanen@linux.intel.com>
