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950 Commits

Author SHA1 Message Date
nvt-se
814dd8bf59 Added generic modules for neighbor information. 2010-03-12 13:19:45 +00:00
joxe
d75ec2da53 fixed so that uip6 sends icmp6 errors from correct source when acting as router - improves support for tracert, etc. 2010-03-11 18:07:37 +00:00
adamdunkels
90bb63a383 Set the (correct) packet attribute to let the MAC layer perform retransmissions 2010-03-09 20:40:50 +00:00
adamdunkels
4b60301727 Don't set the ack flag for broadcast packets 2010-03-09 20:40:11 +00:00
adamdunkels
17f6b3a324 Simplified the structure of the code 2010-03-09 20:38:55 +00:00
adamdunkels
d0e6436a20 Don't call up the netstack if the transmission was deferred 2010-03-09 20:37:02 +00:00
c_oflynn
dc3e6c1877 Fix TC/FL errors in hc-06. Need to verify further 2010-03-09 16:19:44 +00:00
joxe
48a9bff889 added support for dropping packets if hop limit is reached 2010-03-09 15:50:15 +00:00
c_oflynn
1d483a5da4 Fix UDP compression to work per hc-06. More commits to come to fix Traffic Class stuff... 2010-03-09 15:18:03 +00:00
adamdunkels
edda6dd86c Minor bugfix: don't subtract collisions and deferrals from the number of transmissions 2010-03-09 13:23:58 +00:00
adamdunkels
5a6fc2ade0 Bugfix: set up rtmetric before starting to announce it. Set the number of MAC layer retransmissions correctly 2010-03-09 13:21:28 +00:00
adamdunkels
2c3d3e3d73 Bugfix: handle deferred transmissions correctly (don't count them) 2010-03-09 13:20:08 +00:00
adamdunkels
79722b4247 Rework of the timing conditions of ContikiMAC: the old timing did not work well on real hardware, the new one seems to work better 2010-03-09 13:19:05 +00:00
nvt-se
96eb20d235 forward arguments even if REXMIT is not set 2010-03-04 14:17:43 +00:00
dak664
c65e09ceb2 Remove compiler warnings 2010-03-02 15:41:23 +00:00
nifi
5e43a6998b Replaced old framer (framer_get/framer_set) with new NETSTACK style configuration. Added nullrdc-framer that is a nullrdc with framer support. 2010-03-01 13:30:21 +00:00
nifi
0c084b8c68 added random init of sequence number 2010-03-01 13:17:01 +00:00
adamdunkels
524625dfd2 Removed debug string names of packet attribtues 2010-02-28 20:20:19 +00:00
adamdunkels
410d860a93 Improved handling of neighbor phase estimation: instead of busy-waiting while waiting for neighbor's phase, the new code schedules a timer just before neighbor wakes up 2010-02-28 20:19:47 +00:00
adamdunkels
e6fceb7200 Added MAC-layer return value to indicate that a packet transmission was deferred 2010-02-28 20:18:30 +00:00
adamdunkels
ec928a2a19 Make max queueing time depend on retransmission timeout 2010-02-28 14:15:58 +00:00
adamdunkels
e06acc4525 Prod the watchdog if waiting for along time 2010-02-28 14:15:16 +00:00
adamdunkels
74da90a06b Don't count collisions as transmissions 2010-02-28 10:07:17 +00:00
adamdunkels
f95a6cce85 Added function for obtaining packet queue length 2010-02-28 09:20:32 +00:00
adamdunkels
8fe15f7b45 New packet attribute for specifiying MAC layer retransmissions; reorder and commented packet attributes 2010-02-28 09:19:43 +00:00
adamdunkels
970a9eb9c7 Increased neighbor lifetime to allow for longer neighbor announcement intervals 2010-02-28 09:19:04 +00:00
adamdunkels
7165a3866f Significant rework of the Contiki data collection protocol: 
* the new version makes use of MAC-layer feedback so that bad paths
  can be identified quicker and then avoided.

* the new code uses transport layer ACKs that contain feedback from
  the collect protocol: when a packet cannot be forwarded due to lack
  of resources, the ACK contains a flag that indicates that the packet
  could not be forwarded. ACKs also contain the routing metric of the
  sender, which improves agility in face of rapid path changes.

* loop detection and management has been improved: with higher path
  metric agility, the system is more prone to short-lived routing
  loops. Instead of dropping looping packets, the new version adjusts
  the routing metric for the routes that exhibit loops so that the
  risk for future loops is reduced.

* make use of packet attributes to inform the MAC layer of how many
  times packets should be retransmitted.
 2010-02-28 09:18:01 +00:00
adamdunkels
b6b4941871 Made the number of MAC-layer retransmissions configurable on a per-packet basis, via a packet attribute 2010-02-28 08:35:16 +00:00
adamdunkels
ed88f487c8 Improved detection of link-layer ACKs; increased the time ContikiMAC waits when it has detected a link-layer ACK; increased the number of silence periods required to detect a CCA false positive 2010-02-28 08:33:21 +00:00
adamdunkels
fa1a96636e Bugfix: the compile-time check for UIP_LLADDR_LEN previously generated a run-time error, when it should have generated a compile-time error 2010-02-28 08:30:39 +00:00
adamdunkels
ba0e50a7b7 Set the default number of MAC layer retransmissions for IPv6 packets to 2 2010-02-28 08:29:42 +00:00
joxe
0ab2bc9a31 upgraded sicslowpan to hc-06 - no 48 bit multicast compression support yet 2010-02-25 15:50:58 +00:00
nifi
b50d47fb80 added missing function in sicslowmac_driver 2010-02-23 22:45:11 +00:00
nifi
1cfcc8a73a Removed the combined name of CSMA and NETSTACK_RDC. The name of NETSTACK_RDC can be accessed separately if needed. 2010-02-23 20:42:45 +00:00
nifi
c20047f657 Changed the network stack to use different structures for the different layers (network_driver, mac_driver, rdc_driver, radio_driver). This helps to avoid incorrect configuration. 2010-02-23 20:09:11 +00:00
adamdunkels
bb62749de7 Made debug printfs optional 2010-02-23 18:49:58 +00:00
adamdunkels
0ab2ba433f Bugfix: the wrong callback pointer was passed to higher layers. 2010-02-23 18:49:45 +00:00
adamdunkels
ed52586e18 Rework of parts of the ContikiMAC code based on input from experimental results. When channel check is triggered because of a false positive, the new version checks the radio several times to make sure that there really is an incoming packet. Otherwise, the radio is switched off. Cleaned up and removed old unused code. Added a few temporary debugging mechanisms and functions. 2010-02-23 18:49:05 +00:00
adamdunkels
ca0417a923 Added the MAC layer callback functionality so that the Rime network layer gets information from the MAC about the status of sent packets: were they successfully transmitted, or was there a collisions? How many retries were there? 2010-02-23 18:38:05 +00:00
adamdunkels
f10eedab3e Added debug printout 2010-02-23 18:37:15 +00:00
adamdunkels
2d13fecea7 Improved backoff management: timer is now doubled on every transmission, until the using module calls the neighbor_discovery_start() function again. Don't cancel the transmission even if a lower value arrives (this fixes a problem with multi-hop ETX propagaion). 2010-02-23 18:36:50 +00:00
adamdunkels
0eade2886c Better loop handling: when a loop is detected, the neighbor to which the packet was originally sent gets an inflated ETX; made sure that collect without announcments work; increased timeouts, to work nicer in larger networks 2010-02-23 18:35:23 +00:00
adamdunkels
a4d9d6651b Added the option to specify the old value to observers so that they can determine if the announcement should be sent out quicklier than otherwise 2010-02-23 18:32:44 +00:00
adamdunkels
b746b7fc06 Reworked the Rime/Chameleon interface so that packets now always hit Rime before Chameleon. Chameleon is now only called by Rime. This makes packet sniffing easier, and allows for sniffing packets after their header has been processed by Chameleon, thereby making per-packet power profiling much easier to implement 2010-02-23 18:29:53 +00:00
adamdunkels
d8cce42d28 Set the default radio driver to nullradio 2010-02-23 18:28:04 +00:00
adamdunkels
0b2b7bcdba Removed inadvertedly left-over include file 2010-02-18 23:52:34 +00:00
adamdunkels
5cf3b83733 Common initialization code for the netstack 2010-02-18 23:15:26 +00:00
adamdunkels
f49ebfe1c4 Temporarily disabled rime route udp because it breaks with newest MAC interfaces 2010-02-18 21:53:08 +00:00
adamdunkels
e34eb54960 A work-in-progress rework of the Contiki MAC and radio layers. The 
main ideas are:

* Separates the Contiki low-layer network stack into four layers:
  network (e.g. sicslowpan / rime), Medium Access Control MAC
  (e.g. CSMA), Radio Duty Cycling RDC (e.g. ContikiMAC, X-MAC), and
  radio (e.g. cc2420).
* Introduces a new way to configure the network stack. Four #defines
  that specify what mechanism/protocol/driver to use at the four
  layers: NETSTACK_CONF_NETWORK, NETSTACK_CONF_MAC, NETSTACK_CONF_RDC,
  NETSTACK_CONF_RADIO.
* Adds a callback mechanism to inform the MAC and network layers about
  the fate of a transmitted packet: if the packet was not possible to
  transmit, the cause of the failure is reported, and if the packets
  was successfully transmitted, the number of tries before it was
  finally transmitted is reported.
* NULL-protocols at both the MAC and RDC layers: nullmac and nullrdc,
  which can be used when MAC and RDC functionality is not needed.
* Extends the radio API with three new functions that enable more
  efficient radio duty cycling protocols: channel check, pending
  packet, and receiving packet.
* New initialization mechanism, which takes advantage of the NETSTACK
  #defines.
 2010-02-18 21:48:39 +00:00
adamdunkels
f8c804e28b ntikiMAC: a new radio duty cycling mechanism that uses a combination 
of link-layer and MAC-layer mechanisms to achieve a very low power
consumption: during idle listening the radio is switched off between
99.2% and 99.6% of the time. One unicast transmission typically adds
between 0.07% and 1.2% additional radio time, depending on packet
size.

ContikiMAC uses the standard IEEE 802.15.4 message format and adds no
additional headers.

ContikiMAC is simple: it uses periodic two-shot channel sampling
during idle listening to keep the radio on-time down. Transmissions
are done with repeated transmissions until a link-layer ACK is
received.
 2010-02-18 21:26:15 +00:00
adamdunkels
f5c48751b5 Reworked 802.15.4 header creation and parsing so that it works regardless of the size of the rimeaddr_t typedef 2010-02-18 21:00:28 +00:00
adamdunkels
2fbf21b2b3 Refactored the phase optimization functionality into a separate module 2010-02-18 20:58:59 +00:00
adamdunkels
515a391ee4 Removed left-over debug printfs 2010-02-15 23:31:05 +00:00
dak664
bb9afb4fb1 Remove compiler warning 2010-02-15 20:49:38 +00:00
adamdunkels
4bb0375251 Buffer name definition bugfix 2010-02-15 19:23:54 +00:00
adamdunkels
9bb149ca13 Bugfix by Raimondas Sasnauskas: TCP SYN duplicate receptions in the SYN_RCVD state was not correctly handled 2010-02-15 18:03:07 +00:00
adamdunkels
d67d1f7340 Major bugfix, found by Raimondas Sasnauskas: the TCP periodic timer was not started when a new connection request arrived. If there were no other active TCP connections, this means that the SYNACK would never be retransmitted, potentially leading to a forever stale TCP connection. 2010-02-09 12:58:53 +00:00
adamdunkels
4a522c96dd Added debugging statements for packet drops 2010-02-08 21:59:49 +00:00
adamdunkels
2b6a651233 Added missing include, made debug statement more explicit 2010-02-08 21:59:21 +00:00
adamdunkels
2eba08e8f6 Made queuebuf statistics configurable, and off by default 2010-02-08 21:10:32 +00:00
adamdunkels
b98f7d891f Bugfix: added missing queuebuf allocation 2010-02-06 20:50:24 +00:00
adamdunkels
671216c558 No need to clear the headers now that we explicitly save a queuebuf when sending fragments 2010-02-06 17:07:43 +00:00
adamdunkels
b6647b5630 Turns out that with cxmac, clearing the header after sending a packet is not enough to make fragmentation work. Instead, we allocate a queuebuf and restore the packet after from the queuebuf after sending it. 2010-02-06 09:42:49 +00:00
adamdunkels
494e692d0b Bugfix: clear the header after sending a packet solves a problem with fragmentation; also prod the watchdog since fragment transmissions can take a long time with some low-power MAC protocol 2010-02-06 07:49:58 +00:00
adamdunkels
a68b4c40c4 Added a function to clear only the header part of the packetbuf 2010-02-06 07:48:52 +00:00
oliverschmidt
e88d209214 Adjusted process name to title case. 2010-02-05 19:13:05 +00:00
nifi
a1199721a6 Changed to use separate Contiki event type for ICMP6 notifications 2010-02-05 12:43:36 +00:00
oliverschmidt
5e66abda50 Initialize lastport in all cases it is defined. 2010-02-04 21:33:51 +00:00
adamdunkels
d8b0625e21 Bugfix: lastport must be defines both when UIP_ACTIVE_OPEN or UIP_UDP are defined (thanks Oliver!) 2010-02-04 21:14:45 +00:00
adamdunkels
7bcb106fa9 Disable the stream mode for TCP packets since it does not seem to work reliably with cxmac 2010-02-04 18:57:33 +00:00
adamdunkels
13f6673d04 Bugfix: drop incoming TCP and UDP packets where port numbers are zero 2010-02-04 11:17:42 +00:00
adamdunkels
d7b7b05d0e Moved the neigbor_init() call to the collect module, since it is the only one that currently uses it 2010-02-03 20:38:33 +00:00
adamdunkels
75e1c0c8c7 Include contiki-conf.h to let the MAC channel check rate be configurable 2010-02-03 16:45:12 +00:00
adamdunkels
06d17c7e1c Remove unused rtimer code 2010-02-03 16:44:43 +00:00
adamdunkels
4bffd277f5 Don't set the stream bit on outgoing TCP packets for now - it doesn't seem to play well with IPv6 and X-MAC 2010-02-03 16:44:19 +00:00
adamdunkels
36db5eb70b Added debug printout 2010-02-03 01:18:24 +00:00
adamdunkels
e419eb3cc5 Retransmit packet if it didn't receive a MAC layer ack 2010-02-03 01:17:54 +00:00
adamdunkels
d68af249ec Added a MAC layer return value that informs the caller that a packet did not receive a MAC layer acknowledgement 2010-02-03 01:17:32 +00:00
adamdunkels
4bc4f033e8 Increase the trickle resend interval for router advertisements 2010-02-03 01:13:17 +00:00
adamdunkels
181213124b Added a configuration option for setting the MAC channel check rate (which must be a power of two). The configuration is independent of the MAC protocol. 2010-02-02 23:28:58 +00:00
adamdunkels
f66cd6d44e Increased the forwarding queue to six packets to improve collection robustness 2010-02-02 21:44:05 +00:00
adamdunkels
901a128e7f Reconfigured the timeouts to work better on top of a power-cycling radio mechanism 2010-02-02 21:12:29 +00:00
adamdunkels
28052c655f Removed exit() calls that were unadvertedtly left in from testing 2010-02-02 21:10:38 +00:00
adamdunkels
0db31db624 Moved declarations to the start of each function 2010-02-02 21:09:06 +00:00
adamdunkels
fcf60e9260 Removed the csma_init declaration in the mac_driver struct since it isn't needed and it breaks sdcc 2010-02-02 20:45:58 +00:00
adamdunkels
cc2be0f111 Remove compiler warnings 2010-02-02 16:33:07 +00:00
adamdunkels
88c661b0c2 Rewrote the netif time code so that is avoids the use of floating point numbers; some code style fixes 2010-02-02 16:32:03 +00:00
adamdunkels
1a13d25d33 Revised version of the X-MAC implementation that uses a ctimer instead 
of an rtimer for the periodic radio duty cycling. The benefit of this
implementation is that it leaves an rtimer free for user tasks. The
drawback is a slightly higher idle power consumption. This new version
is based on the current rtimer-based X-MAC.
 2010-01-31 18:44:23 +00:00
adamdunkels
e4168db633 Bugfix: deallocate queuebuf only if there was no collision 2010-01-31 13:55:36 +00:00
adamdunkels
388c5d4244 Made the sicslowpan MAC layer reachable from outside modules 2010-01-28 13:50:51 +00:00
adamdunkels
2ae7ed827c Increase the default X-MAC channel check rate to 4 Hz instead of 2 Hz 2010-01-28 13:40:47 +00:00
adamdunkels
f94d6df6f0 Bugfix: copy the originator address from the packetbuf into a local variable to avoid it being overwritten 2010-01-27 08:12:56 +00:00
adamdunkels
8430dab039 Typecast to fix nightly build problem 2010-01-27 07:36:31 +00:00
adamdunkels
9e5823f060 Made retransmission timeout configurable 2010-01-26 10:19:26 +00:00
adamdunkels
b728c0927c Made number of duplicate announcements configurable 2010-01-26 10:18:55 +00:00
adamdunkels
cc3f609eaa Bugfix for alignment issue. Added mechanism that allows five duplicate announcements before suppressing one's own. 2010-01-25 13:55:17 +00:00
adamdunkels
71ffde578e Moved route_init() into mesh instead of the generic rime initialiation 2010-01-25 13:54:26 +00:00
adamdunkels
423e37f426 Added parameter to ipolite that specifies how many dups that are acceptable, before suppressing one's own packet 2010-01-25 13:54:06 +00:00
adamdunkels
0b58ca3b22 Bugfix: split full size TCP segments if they match the MSS definition, not only the buffer size definition 2010-01-25 13:53:15 +00:00
adamdunkels
7615a6cf47 Bugfix by Henrik Mäkitaavola: check that ICMP6 process is defined before invoking it 2010-01-25 13:37:05 +00:00
adamdunkels
4f3e8d565c Added a simple CSMA (Carrier Sense Multiple Access) mechanism that 
works on top of an underlying duty cycling mechanism. The CSMA layer
retransmits packets that could not be sent because of a collision was
detected.
 2010-01-25 11:46:44 +00:00
adamdunkels
7ad93e5d18 Added a field to the struct mac interface: 
channel_check_interval(). This function returns the interval by which
the duty cycling mechanism checks the radio channel for activity. It
is used by higher layer mechanisms to determine suitable timeouts for
retransmissions.
 2010-01-25 11:43:32 +00:00
fros4943
26e0bab11a bugfix: alignment problem caused by previous bugfix 2010-01-21 11:39:35 +00:00
fros4943
3db4f36c3e removed compiler specific attribute 2010-01-20 09:58:16 +00:00
adamdunkels
c962f49516 Alignment bugfix 2010-01-18 21:27:21 +00:00
adamdunkels
743e93e650 Do not remove encounters - there is no need to, as they are only an optimization 2010-01-14 20:14:03 +00:00
nvt-se
a03e899c27 Signal the result of transmissions attempts made in the mesh module. Patch from Moritz Struebe 2009-12-18 14:57:15 +00:00
nifi
7b2b93e6e6 clear transmission flag if send failed 2009-12-18 14:49:42 +00:00
adamdunkels
f4e6758b22 Use RTIMER_NOW() instead of rtimer_arch_now() 2009-12-09 18:08:26 +00:00
adamdunkels
2f105e933a Variable xmac_is_on was used both in interrupt and non-interrupt contexts and needs to be volatile 2009-12-06 23:29:38 +00:00
adamdunkels
53457eb1f0 Fixed compilation warning 2009-12-06 17:10:54 +00:00
adamdunkels
8bcc838d8a Bugfix: don't set the 'we are sending' flag until we are actually sending 2009-12-06 17:05:45 +00:00
adamdunkels
6897270289 Bugfix to the Contiki LPP encounter timing code: encounters are now 
properly timed.
 2009-12-06 13:18:32 +00:00
adamdunkels
822149f943 Significant improvements to the Contiki X-MAC: 
* the code is simplified, particularly the duty cycling logic
* old unused code has been removed
* Contiki X-MAC now listens before sending a strobe to avoid MAC-level
  collisions
* broadcasts are sent directly, without strobes, reducing the power
  consumption of receivers
* turn off radio for 1 ms between sending a strobe and expecting the
  strobe ack
 2009-12-06 13:16:59 +00:00
adamdunkels
cef2e65c9b Added an error type for signalling a MAC-layer collision 2009-12-05 21:49:51 +00:00
adamdunkels
4a1a823a49 Code style fix 2009-12-05 13:29:41 +00:00
fros4943
a1b4597b95 fixed announcement compilation error 2009-11-27 14:27:50 +00:00
adamdunkels
aeefa75304 Fixed alignment problems in announcement packet creation 2009-11-27 12:49:27 +00:00
nvt-se
116771adbc made the route cache timeout configurable 2009-11-20 14:35:58 +00:00
nifi
1f2c226d8e * Added ctimer_restart(). Patch by Moritz Struebe. 
* Added ctimer_expired().
 2009-11-19 18:32:05 +00:00
nifi
bb0ffe0478 moved rime initialization into rime router so it is easier to switch IPv6 routing module 2009-11-18 13:51:55 +00:00
fros4943
0034fd7bca generic return values for sent packet 2009-11-13 10:09:02 +00:00
fros4943
9b20f11cd8 chameleon returns 1 only on successful rime_output() 2009-11-13 09:14:52 +00:00
fros4943
583dd11c55 rime_output() now returns RIME_OK or RIME_ERR depending on the MAC return value. 
this patch may affect Rime sniffers running on top of MAC protocols that do not yet return generic MAC return values
 2009-11-13 09:10:24 +00:00
fros4943
26bb5ecd21 added radio and MAC generic return values to allow applications finding out whether the packet was transmitted 2009-11-13 08:59:22 +00:00
joxe
5b0b36c39e accept messages to all routers if UIP_CONF_ROUTER is set. 2009-11-12 14:05:42 +00:00
adamdunkels
60a3fc0cae Fixed alignment issue 2009-11-09 08:22:40 +00:00
adamdunkels
56218aba3b Made rimeaddr_t pointers const where they should be. 2009-11-08 19:40:16 +00:00
adamdunkels
70fc23ac7e Enable stream mode by default, remove LED debug mode 2009-11-04 16:02:45 +00:00
adamdunkels
5aab2eb77d A simple addition with significant performance implications: 
sicslowpan tags TCP packets with the PACKETBUF_ATTR_PACKET_TYPE_STREAM
flag, which makes the underlying power-saving MAC layer keep the radio
on for some time after transmitting the packet. This allows reply
packets to be processed directly, significantly increasing TCP latency
and throughput.
 2009-11-02 11:58:56 +00:00
adamdunkels
c7a91ad4a2 Bugfix: UIP_TCP_BUF -> BUF 2009-10-27 23:09:58 +00:00
adamdunkels
631af06c7c Bugfix: Active TCP connections in uIP are made by first setting up the 
TCP connection state, then poll uIP to send out the first SYN. Until
now, however, the SYN was not sent as part of the poll, but at the
first retransmission. This is now fixed.
 2009-10-27 22:34:08 +00:00
zhitao
1913e1a936 prevent neighbor ETX from wrap-over 2009-10-22 13:11:20 +00:00
nifi
df32fde58c Made max number of neighbors configurable 2009-10-21 21:25:10 +00:00
adamdunkels
91579fbaab Removed debug strings to save ROM 2009-10-20 08:06:43 +00:00
nifi
223fa1c8e5 added missing include 2009-10-20 07:42:03 +00:00
adamdunkels
a5ea7ef966 Increased default number of queue buffers 2009-10-19 21:28:59 +00:00
adamdunkels
4d9b05c2ce Increased default header size in packetbuf to accomodate 802.15.4 headers 2009-10-19 21:28:11 +00:00
adamdunkels
7cdfbca973 Alignment problems with announcements fixed 2009-10-19 21:27:02 +00:00
adamdunkels
9ec57d61ad Added MAC layer framing support to X-MAC so that packets now are standard 802.15.4 frames 2009-10-19 20:53:56 +00:00
adamdunkels
4de1816e36 Added a new module called "framer" that creates MAC level frames to 
the packetbuf from packet attributes. Two framer modules are included,
one that creates 802.15.4 frame headers, and one that creates a
minimal "nullmac"-style header that only contains the link-local
addresses.
 2009-10-19 18:30:03 +00:00
nifi
ae226c5917 * Set sender and receiver packet attributes on incoming packets 
* Added link layer destination check
 2009-10-19 11:25:54 +00:00
adamdunkels
10c873018d Ensure that DEFAULT_PERIOD is != 0, to avoid a modulo with 0 2009-10-19 06:39:29 +00:00
adamdunkels
f25856a387 Hack to be able to receive UDPv4 multicast packets 2009-10-18 22:03:44 +00:00
adamdunkels
fb037e0afb Added function for sending an UDP packet to a specified IP address and port number over an existing UDP connection 2009-10-18 22:02:01 +00:00
adamdunkels
9d26bd663e A new optimization to X-MAC: senders now keep track of when neighbors 
last were known to be awake. When sending a packet, a sender does not
start to send strobes until the neighbor is expected to be awake. This
reduces power consumption for senders and decreases the contention in
the network as there are less packets in the air. Additionally, the
ACK optimization was improved so that data/ack exchanges now are
more efficient.
 2009-10-18 13:19:25 +00:00
nvt-se
31f41d842e * decline route discovery requests if we have one in the air 
* and, by popular demand, switched PRINTF to printf in the debug macro. :-)
 2009-10-08 16:30:26 +00:00
nvt-se
f143227205 made the route discovery packet timeout configurable. 2009-09-29 16:02:28 +00:00
nifi
0ad51b8dcc Moved the link layer destination check to sicslowmac 2009-09-18 16:37:17 +00:00
adamdunkels
1980253ba3 Refresh routes when hearing a packet from a neighbor 2009-09-09 21:10:21 +00:00
adamdunkels
786ed3cf84 Fixed sdcc compiler problem: function pointers cannot be NULL, so added a dummy function instead 2009-09-09 21:09:42 +00:00
adamdunkels
2181e90f69 Added the possibility to switch lpp off. Fixed sdcc compiler issue 2009-09-09 21:09:23 +00:00
adamdunkels
1cafbc6002 sdcc compiler issue fix: compound assignments are not supported, so we use memcpy() instead 2009-09-09 21:08:46 +00:00
nvt-se
4d21a3e203 Don't assume that radio->send turns on the radio automatically. 2009-09-04 10:59:30 +00:00
oliverschmidt
e60db62b10 Added prototype missing for quite some time now - do we need -Werror ? 2009-08-20 20:27:17 +00:00
adamdunkels
522f991f14 Set sender and receiver packet attributes on incoming packets: patch by Gidon Ernst 2009-08-20 18:59:17 +00:00
dak664
c1b7375a5a *** empty log message *** 2009-07-23 16:13:48 +00:00
dak664
2166261890 Separate input and output debug PRINTFs 2009-07-10 13:33:45 +00:00
nvt-se
38fff1b527 mac_driver structure has been changed to include the init function. 2009-06-24 16:31:49 +00:00
nifi
912aba7280 added init function in MAC driver for easier configuration 2009-06-22 11:14:11 +00:00
nvt-se
33909cc2fd made neighbor discovery method configurable. default is announcements. 2009-05-30 19:54:05 +00:00
nvt-se
83f2b9ae57 include ctimer.h, since ctimer's are used in the neighbor_discovery_conn struct. 2009-05-30 19:40:39 +00:00
nvt-se
9277f922f1 fixed some documentation typos. 
also uc -> unicast, stuc -> stunicast.
 2009-05-26 13:58:53 +00:00
nifi
f39d2bd4c6 Fixed link panid for broadcasts to be standard compliant. Ignore packets addressed to other non-broadcast panids. 2009-05-26 12:08:29 +00:00
nvt-se
e2bbdbca9b decrement TTL right after forwarding check. 2009-05-19 11:54:50 +00:00
adamdunkels
5308a09dd3 Added debug output 2009-05-10 21:10:23 +00:00
adamdunkels
02734c9806 Bugfix: must copy the sender and receiver addresses from the packetbuf buffer, otherwise an application program may overwrite them 2009-05-10 21:10:02 +00:00
adamdunkels
fe5a1f1068 Added an optimization option that avoids multiple simultaneous broadcasts from neighbors: when a broadcast is to be sent, a sender does not send until it knows that no other nodes are broadcasting. 2009-05-10 21:09:05 +00:00
adamdunkels
fe30886b37 Added functionality for decaying routes: when a packet is sent over a route, it is decayed. If the route is not refreshed within four packets (with the route_refresh() function, which is called when a new packet arrives), the route is dropped. A route can be decayed at most once per second 2009-05-10 21:08:01 +00:00
adamdunkels
6bf8e0b478 Bugfix by Takahide Matsutsuka: too few items in array, which caused problems with sdcc 2009-05-08 08:52:55 +00:00
zhitao
48d4800f08 removed reference to undefined function in mspgcc 2009-05-06 15:34:28 +00:00
adamdunkels
1d921ddf42 Explicit typecast to avoid compiler problems 2009-05-06 15:07:09 +00:00
adamdunkels
0adceb63b4 Code cleanup; made encounter optimization explicit; added optimization for adaptive off-time, but it currently seems to work bad with broadcasts 2009-05-06 15:06:38 +00:00
adamdunkels
9fff85757d Code cleanup; made strobe transmission time longer again (seems to work better in cooja?) 2009-05-06 15:05:28 +00:00
adamdunkels
a671ea1146 Documentation fix 2009-05-06 15:04:20 +00:00
zhitao
58940ecbf8 minor documentation fixes 2009-05-06 08:37:48 +00:00
adamdunkels
1752b53f74 Refresh routes when a packet is received. Set a conservatively low route timeout (10 seconds). 2009-05-04 11:24:04 +00:00
adamdunkels
c83c5c4c55 Removed automatic refresh of routes from the route_lookup() function and moved it into an explicit route_refresh() function. The previous behaviour was dangerous, since it meant that even bad routes that someone was looking for were considered fresh. Now such routes time out if they are not explictily refreshed (e.g., on a packet reception) 2009-05-04 11:23:30 +00:00
adamdunkels
f5a57a4e54 Fixes by Ward Van Heddeghem (reapplied from versioin 1.24) 2009-04-30 20:21:06 +00:00
adamdunkels
e70cf0c7c6 Rewrite of the collect module. The new version uses a packet queue for outgoing and forwarded packets so that more than one packet can be forwarded at the same time. The new version uses the packetqueue module to maintain the packet queue. 2009-04-29 20:48:57 +00:00
adamdunkels
c489b1118d New module: packetqueue. The packetqueue module maintains packet queues for other modules. 2009-04-29 20:47:30 +00:00
adamdunkels
cc44e89415 Reduced default strobe time, which seems to work well. Avoid running the interrupt if the power-save feature is turned off (fixes problems with serial data reception on a gateway mote) 2009-04-29 11:42:13 +00:00
adamdunkels
c02a82ac41 Tag outgoing TCP packets with the ERELIABLE attribute so that an underlying power-saving MAC protocol can treat them differently, because it knows that an ACK might be arriving soon 2009-04-29 11:40:33 +00:00
adamdunkels
c9df0ab123 Bugfix in debug message printout 2009-04-28 14:01:46 +00:00
adamdunkels
81ef83b856 Added option to wait randomly before sending a packet. A few code cleanups. Avoid switching radio off when sending a packet with end-to-end acks, because an ACK may arrive shortly after the transmission. 2009-04-28 14:00:53 +00:00
adamdunkels
fdd05f5c71 Bugfix: psock send should use PT_WAIT_UNTIL() not PT_YIELD_UNTIL(). This improves TCP throughput by 100x under minimal-net 2009-04-28 13:52:04 +00:00
fros4943
7810d362a6 minor bugfixes: a rucb sender could not immediately after start receiving a bulk transfer 2009-04-16 14:32:01 +00:00
nvt-se
c0fb680f12 simplified code by using udp_broadcast_new. 2009-04-13 19:55:15 +00:00
nvt-se
9765df97e5 support udp_broadcast_new also when using IPv6. Suggested by Wolf-Bastian Pttner. 2009-04-13 19:54:07 +00:00
adamdunkels
ef4f5cc0e5 Made TCP MSS configurable 2009-04-10 00:37:48 +00:00
nifi
84b38de494 removed bitfields for compatibility with cc65 2009-04-09 21:54:09 +00:00
adamdunkels
f5f52ffd1f Fixes by Ward Van Heddeghem (VUB) 2009-04-07 13:06:03 +00:00
nvt-se
03cd533712 made LISTEN_TIME and OFF_TIME configurable. 2009-04-07 11:29:08 +00:00
adamdunkels
5e456aea7d Added optimization for sending ACKs immediately. Turned optimizations on. Increased listening time to 1/64 s again due to problems with broadcasts with the 1/128 s setting 2009-04-06 22:50:35 +00:00
adamdunkels
ace6567815 Added a timer that randomizes the retransmission of an incoming new trickle version to avoid broadcast collisions 2009-04-06 21:20:35 +00:00
adamdunkels
be1c8ccec9 Added debug printouts 2009-04-06 21:19:34 +00:00
adamdunkels
d02ac74bbc Increased size of temporary stack value to avoid overflowing when computation is done with 8-bit integers 2009-04-06 21:19:00 +00:00
nifi
000f740adc typo 2009-04-06 15:54:07 +00:00
nifi
eab96e9b53 added rime-udp.c 2009-04-06 14:10:57 +00:00
nvt-se
d6869018c7 turned off debugging. 2009-04-06 13:27:37 +00:00
nifi
9f2ff48fda added 802.15.4 frame packeter 2009-04-06 13:19:03 +00:00
nvt-se
3b2ad9cfc4 added packet forwarding and replaceable routing modules. 2009-04-06 13:18:50 +00:00
nvt-se
461ba4082c in case UIP_CONF_ROUTING is set, check if we have a registered routing 
module and use it for looking up the next hop of an address.
 2009-04-06 13:18:12 +00:00
nvt-se
faf083f09d save copy of a rime address that points to a packet buffer, since the 
packet buffer is cleared and overwritten before the address usage is done.
 2009-04-06 13:16:39 +00:00
nvt-se
c531f25c94 A module that enables Rime to run over UDP. 2009-04-06 13:13:26 +00:00
nvt-se
005578a722 added multihop routing support through replaceable modules. first implementation 
uses rime's route discovery by translating between ipv6 and rime addresses.
 2009-04-06 13:11:25 +00:00
nifi
4bc60d76d3 fixed alignment problem on MSP430 when using compression 2009-04-06 13:11:20 +00:00
adamdunkels
ed1e945e66 Added guard code so that OFF_TIME is never zero 2009-04-03 20:08:05 +00:00
adamdunkels
8dbd2b2337 Significant power consumption optimization: LPP now keeps track of encounters with neighbors and uses this information to keep the radio switched off longer. 2009-04-03 19:59:22 +00:00
adamdunkels
1d86b01bfb Made optimizations explicit (and configurable). Added missing initialization of dutycycle protothread. Reduced default listen time and off time. 2009-04-03 11:45:06 +00:00
adamdunkels
04101aae36 Fixed alignment problem on the MSP430, where the LPP header may be misaligned 2009-03-31 17:39:54 +00:00
nvt-se
e2cc8b2a3e send all queued packet once we have the chance. 2009-03-31 14:44:13 +00:00
nvt-se
1d47e2a8da send immediate probes only if the packet is directed to us. 
sleep for OFF_TIME if the queue is empty.

restrict double packet lifetime timeouts to unicast packets.

stop ctimer in remove_queued_packet in case the function is not called
via the ctimer callback. it could overwrite a valid packet otherwise.
 2009-03-31 14:11:25 +00:00
nvt-se
dd082f7fcf improvements to lpp based on code from Adam and discussions with Thiemo. 
* queue multiple packets
* send a strobe back immediately after receiving a data packet
* double the packet lifetime to allow for a missed probe
 2009-03-31 12:47:00 +00:00
nvt-se
d8caaca289 listen time and off time parameters configurable from outside because cc1020 needs longer listen time. 2009-03-26 12:50:57 +00:00
adamdunkels
73fdf05940 Added const to constant parameters (rime addresses) 2009-03-24 07:15:04 +00:00
adamdunkels
a625d80259 Added explicit typecast to buffer definition 2009-03-24 07:14:12 +00:00
adamdunkels
ec1677ca6c Added a function (quick hack) that sets the radio transmission power of outgoing announcement packets in xmac 2009-03-23 21:06:26 +00:00
adamdunkels
1cbc0f4ea9 Send announcement packets only if there are any announcements to send 2009-03-23 21:00:25 +00:00
adamdunkels
f4b8680174 Defined the packetbuf buffer so that it is always aligned on a 16-bit boundary. 2009-03-23 19:37:45 +00:00
adamdunkels
39af9b361d Fixed minor bug in comment 2009-03-23 16:39:09 +00:00
adamdunkels
21e0900d18 Made constant addresses const 2009-03-23 16:22:02 +00:00
adamdunkels
143bf11548 The multihop module used the pre-chameleon style packet headers. Converted it to use packet attributes instead of packet headers 2009-03-23 16:20:37 +00:00
adamdunkels
c791d851bb Send an announcement packet only if there are more than zero announcemnets 2009-03-23 16:19:03 +00:00
nifi
91fa18e0e6 removed unused prototype 2009-03-23 10:58:00 +00:00
nvt-se
cc85a36722 use u8 when writing rime addresses. 2009-03-21 20:53:06 +00:00
nvt-se
4b6c110706 fixed documentation typos. 2009-03-17 20:28:44 +00:00
nifi
f0e56df2eb fixed compiler warning when timesynch is disabled 2009-03-17 09:57:01 +00:00
nvt-se
13b364bcc1 fixed documentation typos. 2009-03-15 20:29:04 +00:00
nvt-se
41ca9516a7 fixed documentation typos. 2009-03-15 20:21:16 +00:00
adamdunkels
fb8fab739a Renamed the rimebuf module to packetbuf to signal that the module is used outside of a pure Rime context (e.g., the sicslowpan code uses it). 2009-03-12 23:04:52 +00:00
adamdunkels
65eb5fd4e8 Renamed the rimebuf module to packetbuf to signal that the module is used outside of a pure Rime context (e.g., the sicslowpan code uses it). 2009-03-12 21:58:20 +00:00
adamdunkels
537219bf27 Added a packet attribute to specify transmission power on outgoing packets 2009-03-11 20:33:17 +00:00
zhitao
f304941ab4 raise busy forwarding flag before sending 2009-03-10 14:07:41 +00:00
julienabeille
2a173b465a more printing in debug mode 2009-03-10 08:00:59 +00:00
zhitao
1eb085834f Update announcement value after route metric saturates. Not doing this results in stubborn forwards from former children nodes. 2009-03-09 12:54:27 +00:00
adamdunkels
a1260c0c1f Documentation updates 2009-03-08 21:43:24 +00:00
adamdunkels
366ad7bece Added Rime documentation from the Rime/Chameleon paper (SenSys 2007) 2009-03-07 11:15:46 +00:00
zhitao
0a12098bd5 avoid ping pong packets during route disruption 2009-03-06 17:33:59 +00:00
adamdunkels
dc7491f810 Bugfix and optimization: X-MAC did not properly switch the radio off after sending a packet, resulting in increased power consumption. For packets that require an ACK, we can let the radio be on in anticipation of the ACK (controlled with an WITH_ACK_OPTIMIZATION option) 2009-03-05 19:37:52 +00:00
zhitao
64badeb282 bugfix: use memcpy() to get attributes longer than a byte properly written to packet header 2009-03-05 13:51:28 +00:00
zhitao
08b2315f41 bugfix: put up busy forwarding flag only after next hop found 2009-03-04 08:59:32 +00:00
fros4943
f701615afa bugfix: remember active transmissions (sender side) instead of last received packets (receiving side). allows several nodes sending to a single receiver. 
+ added function for checking if runicast is currently transmitting (non-acked) data
 2009-03-03 12:19:46 +00:00
adamdunkels
9816f49fe6 Changed listen and transmit energy attributes so that they are named _TIME rather than _ENERGY, to indicate that they contain the time during which the radio was switched on and not the energy 2009-03-02 22:00:41 +00:00
adamdunkels
78591a003f Minor documentation update 2009-03-02 21:56:16 +00:00
adamdunkels
45e32894a0 Bugfix: backwards definition of MIN macro (quite embarassing) 2009-03-02 11:22:09 +00:00
adamdunkels
d813d343c5 Cleaned up old left-over code 2009-03-01 20:38:57 +00:00
adamdunkels
7010eb84b8 Added support for communication power accounting. Energy is attributed to idle listening when the radio is switched off. Enegrgy is attributed to an incoming packet when it is received. Energy is attributed to an outgoing packet when it is transmitted. 2009-03-01 20:37:16 +00:00
adamdunkels
aa2f7a3399 Made polite announcement times configurable, added missing right-brace 2009-03-01 10:43:57 +00:00
adamdunkels
3adf8e5807 Call output packet sniffers after the MAC has sent the packet 2009-03-01 10:29:50 +00:00
oliverschmidt
bc3d9d2e3c Minor rearrangement. 2009-02-28 11:57:46 +00:00
julienabeille
f95c5df7d9 The global prefixes processed must be one less than the total amount of prefixes, as the link local one occupies one slot 2009-02-25 08:35:52 +00:00
adamdunkels
2aedc8490d Compile only if timesynch is enabled 2009-02-20 21:23:22 +00:00
adamdunkels
e6907a1d8b Include random.h 2009-02-20 21:22:39 +00:00
adamdunkels
4ec5167276 Rewrote the tcpip_output() and tcpip_set_outputfunc() so that the latter is a proper function (which simplifies debugging) and so that tcpip_output() checks if the output callback function is NULL before calling it 2009-02-20 21:21:56 +00:00
julienabeille
10deaa6fc6 Removed CLOCK_SECOND from stimers in uIPv6, stimers are already in seconds 2009-02-20 07:59:35 +00:00
julienabeille
710e5c621c changed timer to stimer for neighbor, prefix, default router, address list 2009-02-19 16:42:41 +00:00
fros4943
97f76126e6 remembering last received packet id to avoid multiple recv callbacks for the same retransmitted packet (but still sending back acks of course) 2009-02-17 12:40:18 +00:00
c_oflynn
8516626703 Fixed documentation error (thanks to David Kopf) 2009-02-17 01:28:28 +00:00
adamdunkels
36bb3ece64 If no neighbor is found, we listen for announcements. Cleaned up debug output. 2009-02-16 01:18:53 +00:00
adamdunkels
aaa8c9d2c9 Construct the X-MAC header on the stack instead of directly in the packet header, because the packet header may be misaligned. A bit of cleanup in the code too. 2009-02-15 22:05:06 +00:00
adamdunkels
e4b1ff461e Added MAC-layer announcement beacons to X-MAC. Configuratble through XMAC_CONF_ANNOUNCEMENTS 2009-02-14 20:35:03 +00:00
adamdunkels
585620c102 Reverted the recent change from random_rand() to rand(). It turned out that 
since libc rand() returns a signed int, there were frequently problems with
timer values wrapping. By reverting to random_rand(), we can provide a
random generator that returns an unsigned and the timer problems are solved.
 2009-02-11 11:08:53 +00:00
adamdunkels
9d75781a78 Added packet attributes for energy spent on a packet (RIMEBUF_ATTR_LISTEN_ENERGY and RIMEBUF_ATTR_TRANSMIT_ENERGY) 2009-02-10 23:51:12 +00:00
adamdunkels
b15198b9a8 Bugfix: the Chameleon header parser modules should not clear the packet attributes, because the MAC or radio layers may have added attributes already 2009-02-10 23:49:58 +00:00
adamdunkels
e1ef13dad6 Reduced the size of the packet cache from four to two to avoid falseley dismissing fresh packets (the header field that hold sequence numbers is only two bits wide, hence all sequence numbers fits in a four-entry cache...) 2009-02-10 00:44:50 +00:00
adamdunkels
6c95bd895a Added default initialization of polite announcements. Not sure where the best place for this is, but this at least allow us to start experimenting with this. 2009-02-09 22:05:33 +00:00
adamdunkels
3efb83c338 Added announcement includes 2009-02-09 21:09:42 +00:00
adamdunkels
0de445e035 Initialize the announcement module 2009-02-09 21:08:12 +00:00
adamdunkels
3670ef2f44 Rewrote the collect module so that it uses the announcement module rather than the neighbor-discovery module. This makes it possible to implement other annoumcement back-ends than the traditional broadcast-based neighbor discovery 2009-02-09 20:58:25 +00:00
adamdunkels
dd9ffd87c4 Added missing #include announcement.h 2009-02-08 20:14:18 +00:00
adamdunkels
085df6b630 Improved version of LPP with support for broadcasts as well as announcement data in the probes 2009-02-08 19:30:18 +00:00
adamdunkels
91d280c4c9 Reverted to the old behaviour on broadcasts: send strobes for both unicast and broadcast packets. 2009-02-07 18:45:50 +00:00
adamdunkels
4b71003c2f Changed from random_rand() to rand() for better pseudo randomness 2009-02-07 18:43:45 +00:00
adamdunkels
752291f450 Changed from random_rand() to rand() function for (pseudo) random numbers because random_rand() does not work that well 2009-02-07 16:16:31 +00:00
adamdunkels
91e8487032 Added Doxygen documentation 2009-02-07 16:15:37 +00:00
adamdunkels
be846d8c90 A new experimental network primitive called an 'announcement'. An 
announcement is an (ID, value) tuple that is disseminated to local
area neighbors. An application or protocol can explicitly listen to
announcements from neighbors. When an announcement is heard, a
callback is invoked.

Announcements can be used for a variety of network mechanisms such as
neighbor discovery, node-level service discovery, or routing metric
dissemination.

Application programs and protocols register announcements with the
announcement module. An announcement back-end, implemented by the
system, takes care of sending out announcements over the radio, as
well as collecting announcements heard from neighbors.
 2009-02-05 19:32:01 +00:00
fros4943
4f1a9d3c75 bugfix: stopping timeout timer when we receive route reply (still limited to only one active discovery) 2009-01-21 14:29:24 +00:00
adamdunkels
71e5adb254 Moved packet attributes specifications from rimebuf.h to the appropriate protocol header files 2009-01-15 22:15:51 +00:00
c_oflynn
5ec6412fbc *Support for Atmel 'Router Under Mac' (RUM) in Jackdaw 2008-12-10 21:26:05 +00:00
c_oflynn
17790ce46a Bug fix by David Kopf - sicslowpan timeout was always set at 20 seconds, this greatly improves performance!! 2008-12-02 22:04:16 +00:00
adamdunkels
50b1e60621 Rewrote the rimeaddr_copy() loop to use the ->u8 field instead of the ->u16 field (which now finally is removed) 2008-11-30 18:26:57 +00:00
adamdunkels
6951d9d582 Removed the unused ->u16 field (it was there only as a convenience/laziness access method during the initial development of the Rime stack, but has caused problems when being there) 2008-11-30 18:26:06 +00:00
oliverschmidt
7cf3165155 Replaced NETSIM macro with general (and now actually working) solution in Makefile.include. 2008-11-17 22:52:10 +00:00
fros4943
e42d572f81 updated for latest mac driver structure 2008-11-12 12:42:41 +00:00
zhitao
229d60d691 Neighbor ETX should accumulate over retransmission timeouts; 
Best neighbor has minimum sum of routing metric and neighbor ETX. Previously best neighbor prioritizes routing metric before neighbor ETX, which often causes a poor neighbor with a good upstream path to be selected.
 2008-11-12 10:47:17 +00:00
oliverschmidt
75ffd0640c Inform user about (most likely unintentional) call of dummy_tcpip_output_function. 2008-11-10 21:00:53 +00:00
adamdunkels
3b283a5ff3 Added dummy function so that tcpip_output() always is defined, even if tcpip_set_outputfunc() never has been called. This fixes a bug with programs attempting to use the network when compiled for the native platform. 2008-11-09 12:29:24 +00:00
adamdunkels
5243d58ac5 Added logic for announcing that a network has a gateway to the outside world (with the function uip_over_mesh_make_announced_gateway()). The announced gateway sends a trickle message to the network, containing the address of the gateway. Other nodes will then know that packets destined to the outside world should go through the gateway node. 2008-11-09 12:20:56 +00:00
adamdunkels
8851a6359a Remove unguarded printf() 2008-11-09 12:16:05 +00:00
oliverschmidt
28889f2210 Commented out otherwise unguarded printf(). 2008-11-06 23:15:58 +00:00
nvt-se
0c4f7bed8f temporary fix to get sicslowpan.c working on the Sky platform: 
conventional MAC implementations require a call to the MAC driver's
read function.
 2008-11-06 20:45:06 +00:00
adamdunkels
d73124cc5e Bugfix: there was a problem with TCP segments not being properly retransmitted for protosockets-based applications. Cleaning up the logic around acknowledgements and retransmissions fixed the bugs pertaining to retransmissions of lost packets. This bugfix affects both the telnet server and the web server (which now work as expected wrt packet loss). 2008-10-31 18:10:24 +00:00
adamdunkels
f623b81d59 Temporarily out-commented the problematic code and added a comment that describes the problem 2008-10-17 14:40:16 +00:00
mdurvy
75f036f698 uncommented the remove of the router (necessary for compliance) 2008-10-16 09:07:43 +00:00
blakelev
99f6932cdf Removed one line to prevent the default router from being removed 
prematurely.  This timer should not time out, but it does.
 2008-10-15 23:29:38 +00:00
adamdunkels
adc57729c3 struct uip_udp_conn should be declared even if UIP_UDP is zero (it does not add any extra code) 2008-10-15 08:56:44 +00:00
adamdunkels
e931260603 Added more curly brackets to ensure ANSI C compliance when UIP_TCP is defined; 2008-10-15 08:52:30 +00:00
adamdunkels
6a3565f5b6 Added an #if around the whole code if IPv6 is defined 2008-10-15 08:08:32 +00:00
adamdunkels
91910f82dd added curly brackets to ensure ANSI C compliance when UIP_TCP is defined; some automatic whitespace removal 2008-10-15 07:59:34 +00:00