Commit Graph

1334 Commits

Author SHA1 Message Date
Nicolas Tsiftes
199a89bac4 Merge pull request #173 from adamdunkels/feature-ipv6-not-in-makefile
Allow IPv6 to be compiled via #define
2013-03-19 08:17:52 -07:00
Nicolas Tsiftes
7f2a842b71 Merge pull request #174 from adamdunkels/feature-net-improvements
Improvements to the core/net/ code
2013-03-18 17:12:12 -07:00
Nicolas Tsiftes
6a07172662 Merge pull request #176 from adamdunkels/feature-net-bugfixes
Network system bugfixes
2013-03-18 13:38:44 -07:00
Adam Dunkels
7742b05d8c Major bugfix: when nullrdc is asked to send a list of packets, send the list of packets and not just the first packet - this is essential for retransmissions of fragmented IP packets to work 2013-03-18 13:35:29 +01:00
Adam Dunkels
f81e4071f1 Merge pull request #135 from darconeous/pull-requests/core-net-bridge-mode
core/net: Added support for "bridge mode".
2013-03-18 04:43:15 -07:00
Adam Dunkels
ad28f1b396 Merge pull request #75 from cmorty/mesh_ready
Add mesh_ready() to mesh
2013-03-18 04:42:43 -07:00
Adam Dunkels
2ba293a538 Bugfix: check the size of the outgoing packet to avoid overflowing the output buffer 2013-03-18 11:22:08 +01:00
Adam Dunkels
843d2361dc Include the rimestats variable only if rimestats are enabled by the configuration 2013-03-18 11:22:06 +01:00
Adam Dunkels
4efd570cf9 Minor bugfix: explicitly cast pointer argument in debug printf 2013-03-18 11:22:05 +01:00
Adam Dunkels
f2fbb4b49d Defensive programming: make sure that we don't fail completely if we get a callback for a NULL pointer 2013-03-18 11:22:04 +01:00
Adam Dunkels
82b755c017 Bugfix: keep track of receiver being awake as a local variable rather than a global, as it may have changed between invokations 2013-03-18 11:22:02 +01:00
Adam Dunkels
0670a8e1e2 Minor code style fixes to the contikimac and nullrdc code 2013-03-18 11:22:01 +01:00
Adam Dunkels
3efa84ecc8 New mechanism for computing the 6lowpan header length dynamically, depending on how large header the framer creates. Also check the incoming packet for buffer overflow. 2013-03-18 11:19:22 +01:00
Adam Dunkels
cb2336a322 Send announcements only if the node is configured to be a router 2013-03-18 11:19:21 +01:00
Adam Dunkels
5993595a8f A number of updates to nullrdc
* add a few rimestats to keep track of sent and received acks
* made a number of configuration options possible to override (ack timing)
* added the logic for sending 802.15.4 link layer ack packets, despite not being able to guarentee the 802.15.4 MAC timing
* increased the number of sequence numbers to keep track of for duplicate filtering
2013-03-18 11:19:20 +01:00
Adam Dunkels
4541d3e85b Let the framer functions use ints instead of uint8_t to make them more generic 2013-03-18 11:19:18 +01:00
Adam Dunkels
927cc8d895 Added #if UIP_CONF_IPV6 around the IPv6 code in the uIP source tree to allow the C files to be compiled even if IPv6 is not configured. 2013-03-18 09:45:30 +01:00
Adam Dunkels
db1e8cdbac Separated the uIP makefile from the top-level Makefile.include into a separate core/net/Makefile.uip makefile 2013-03-18 09:45:29 +01:00
Robert Quattlebaum
da81360731 core/net/resolv: Misc. updates and cleanups. 2013-03-14 19:14:32 -07:00
Robert Quattlebaum
7e9f472faa core/net/resolv: Fix for resolving CNAME records. 2013-03-14 19:13:51 -07:00
Robert Quattlebaum
639a9ca399 core/net/resolv: Fix for SDCC. 2013-03-14 19:13:04 -07:00
Oliver Schmidt
46cb6013ae Reduced code size.
Combined recent changes from darconeous...
- Refactor to decrease minimum code footprint.
- Added `RESOLV_CONF_SUPPORTS_RECORD_EXPIRATION`.
...with a few additional changes to reduce code size.
2013-03-14 22:53:52 +01:00
Oliver Schmidt
d8862bd243 Some more changes improving code style conformance and code size. 2013-03-13 17:52:57 +01:00
Oliver Schmidt
7a1fa4de6c Some coding style nomalization. 2013-03-13 16:14:29 +01:00
Oliver Schmidt
8fa9767d47 Restored Contiki compatibility with non-C99 compilers.
(and compilers without non-standard extensions like void pointer arithmetic)
2013-03-13 14:40:24 +01:00
Moritz 'Morty' Strübe
b1dbc2047e Add mesh_ready() to mesh
mesh_ready checkes whether a packet is queued. This allows to avoid
packet loss at application level.
2013-03-13 09:44:38 +01:00
Robert Quattlebaum
c0a693672c core/net: Added support for "bridge mode".
"Bridge mode" allows devices to more easily send 802.15.4 packets as if
they were a different device. It also turns off any packet filtering
that may be implemented at layer 2. It works by allowing
`PACKETBUF_ADDR_SENDER` to be set earlier in the stack.

This is useful for implementing 6LoWPAN-ethernet bridges.

Enabled via setting `NETSTACK_CONF_BRIDGE_MODE` to 1. Disabled by
default.
2013-03-10 14:45:15 -07:00
Adam Dunkels
4e40cb8a8d Merge pull request #116 from cetic/rpl-lifetimes
RPL Lifetimes
2013-03-10 13:04:07 -07:00
Adam Dunkels
39e5a8c6dc Merge pull request #80 from darconeous/mdns-resolv
Adds IPv6 and MDNS domain name resolution.
2013-03-10 12:58:39 -07:00
Adam Dunkels
0841bce833 Merge pull request #82 from darconeous/master
Makefiles: Allow setting UIP_CONF_IPV6=0 to work as expected.
2013-03-10 12:51:03 -07:00
Robert Quattlebaum
f145c17039 core/net/resolv: IPv6 and mDNS ("Bonjour") support. Major refactor.
This patch updates the DNS resolver to support IPv6 and introduces an
improved API for looking up DNS entries. This patch also adds optional
support for mDNS lookups and responses to the DNS resolver.

Here is a quick summary of the changes:

 * Added support for IPv6 lookups.
 * DNS queries now honor record expiration.
 * Added support for mDNS, compatible with "Bonjour".
 * Implemented a new lookup api, `resolv_lookup2()`, which provides
   more information about the state of the record(error, expired,
   looking-up, etc.).

About mDNS/Bonjour Support
--------------------------

This patch adds basic support for mDNS/Bonjour, which allows you to
refer to the name of a device instead of its IP address. This is
incredibly convenient for IPv6 addresses because they tend to be very
long and difficult to remember. It is especially important for
link-local IPv6 addresses, since not all programs support the '%'
notation for indicating a network interface (required on systems with
more than one network interface to disambiguate).

In other words, instead of typing in this:

 * `http://[fe80::58dc:d7ed:a644:628f%en1]/`

You can type this instead:

 * `http://contiki.local/`

Huge improvement, no?

The convenience extends beyond that: this mechanism can be used for
nodes to talk to each other based on their human-readable names instead
of their IPv6 addresses. So instead of a switch on
`aaaa::58dc:d7ed:a644:628f` triggering an actuator on
`aaaa::ed26:19c1:4bd2:f95b`, `light-switch.local` can trigger the
actuator on `living-room-lights.local`.

What you need to do to be able to look up `.local` names on your
workstation depends on a few factors:

 * Your machine needs to be able to send and receive multicast packets
   to and from the LoWPAN. You can do this easily with the Jackdaw
   firmware on an RZUSBStick. If you have a border router, you will need
   it to bridge the mDNS multicast packets across the border.

 * If you are using a Mac, you win. All Apple devices support mDNS
   lookups.

 * If you are using Windows, you can install Apple's Bonjour for Windows
   package. (This may be already installed on your machine if you have
   installed iTunes) After you install this you can easily do `.local`
   lookups.

 * If you are using a Unix machine, you can install Avahi.

The default hostname is set to `contiki.local.`. You can change the
hostname programmatically by calling `resolv_set_hostname()`. You can
change the default hostname by changing `CONTIKI_CONF_DEFAULT_HOSTNAME`.

You may disable mDNS support by setting `RESOLV_CONF_SUPPORTS_MDNS` to
`0`.

---------------------------------

core/net/resolv: `resolv_lookup2()` -> `resolv_lookup()`

Note that this patch should fix several `resolv_lookup()` bugs
that already existed. There were many cases where `resolv_lookup()`
was being called and the IP address ignored, but later code
assumed that the IP address had been fetched... ANYWAY, those
should be fixed now.

---------------------------------

examples/udp-ipv6: Updated client to use MDNS to lookup the server.

Also updated the Cooja regression test simulation.
2013-03-10 11:40:08 -07:00
Robert Quattlebaum
97e16760c3 core/net/uip-ds6: Make uip_ds6_maddr_add() and uip_ds6_maddr_lookup() const-correct. 2013-03-10 11:39:12 -07:00
Robert Quattlebaum
1d113f52ad core/net/uip: Rename uip_ethaddr to uip_lladdr.
There isn't really a good reason I can think of for these
to be different between IPv4 and IPv6.
2013-03-10 11:39:11 -07:00
Sébastien Dawans
e02d480ff5 Moved RPL Lifetime configuration to rpl-conf.h 2013-03-09 16:28:43 +01:00
Sébastien Dawans
b6c54faf9d Adds default route lifetime update in RPL DIO processing 2013-03-09 16:27:37 +01:00
Sébastien Dawans
aaf5deabe2 Allow user configuration of RPL Lifetime and Lifetime Unit 2013-03-09 16:27:37 +01:00
Adam Dunkels
373b6c0195 Merge pull request #90 from simonduq/rpl-conf
Added missing include of contiki-conf.h in rpl-conf.h
2013-03-09 05:55:56 -08:00
Adam Dunkels
ea92365cd4 Merge pull request #102 from cetic/rpl-conf-init-link-metric
Makes RPL Initial Link Metric configurable
2013-03-09 05:52:07 -08:00
Adam Dunkels
80982f97b8 Merge pull request #125 from nfi/lollipop
Bug fix: corrected the macro RPL_LOLLIPOP_INCREMENT
2013-03-09 05:49:06 -08:00
Adam Dunkels
e91a2ac78a Merge pull request #142 from malvira/rpl-leaf-debug
Add some debug PRINTFs for RPL_LEAF_ONLY mode.
2013-03-09 05:35:48 -08:00
Oliver Schmidt
4d4b796abb Removed useless register keywords.
Modern compilers (especially GCC) ignore the register keyword anyway and the latest cc65 snapshot generates actually larger code with the register keyword at the locations in question.
2013-03-06 14:32:36 +01:00
Mariano Alvira
03fdb53af1 Add some debug PRINTFs for RPL_LEAF_ONLY mode. 2013-02-20 18:25:32 -05:00
Niclas Finne
26fc2fab87 Bug fix: changed the macro RPL_LOLLIPOP_INCREMENT to update the counter instead of returning the new value since this is how the macro is used today. 2013-02-12 16:06:04 +01:00
Oliver Schmidt
1eda821a75 Fixed severe bug in PSOCK_READTO (?)
Either I found and fixed a severe bug in PSOCK_READTO() or I misunderstood something completely. To me PSOCK_READTO() is supposed to return if either the supplied character was read or if the user supplied buffer is exhausted - sor far so good.

However if the latter occurs up to now PSOCK_READTO() was continuing to process characters already read from the network (aka present in the uIP buffer) in order to check if the supplied character was found there and adjust the return value accordingly. But this means that the character processed this way were lost forever for the caller as the next call to PSOCK_READTO() would continue to read past the characters processed this way.

Therefore I removed that character processing altogether. So now if the user supplied buffer is exhausted before the supplied character is found the next call to PSOCK_READTO() starts exactly where previous call left off.
2013-02-10 15:41:34 +01:00
Oliver Schmidt
29391ef9ae Removed uiplib_ip6addrconv() from IPv4 builds.
While it may very well be beneficial to have explict uiplib_ip4addrconv() and uiplib_ip6addrconv() available for IPv6 builds I'm having a hard time to see the point in uiplib_ip6addrconv() for IPv4 builds.

Unrelated to the above the dispatching of uiplib_ipaddrconv() to either uiplib_ip4addrconv() or uiplib_ip6addrconv() can be accomplished by the C preprocessor only thus avoiding the size/speed overhead of an additional callframe.
2013-02-03 23:04:41 +01:00
Sébastien Dawans
95ab192e88 Makes RPL Initial Link Metric configurable 2013-02-01 09:02:31 +01:00
Simon Duquennoy
7c64a114aa Added missing include of contiki-conf.h 2013-01-23 16:11:02 +01:00
Robert Quattlebaum
5afcbf6fff Makefiles: Allow setting UIP_CONF_IPV6=0 to work as expected.
Setting UIP_CONF_IPV6 to zero from the make build command line is
something that seems like it should ensure that IPv6 is disabled, but in
fact it actually *enables* IPv6. This seems counter intuitive, so this
patch changes the behavior of the makefiles to handle this case
properly.
2013-01-14 22:03:42 -08:00
George Oikonomou
68f59113d6 Fix a route lifetime bug
There is a bug in the current route purge routine which would
result in a route's lifetime getting decremented more than once
during the same pass. This commit fixes it

The bug is documented here:
http://thread.gmane.org/gmane.os.contiki.devel/16209
2012-12-20 00:17:33 +00:00
Adam Dunkels
4324d74f12 Check callback pointers to avoid calling a NULL pointer 2012-12-10 01:50:37 +01:00