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451 Commits

Author SHA1 Message Date
Lucas Jenss
6998ffbb14 cppcheck: Provide consistent reason formatting for all cppcheck-suppresses 2017-10-10 10:25:20 -07:00
Martine Lenders
eb76e8034d
gnrc_ipv6_nib: return registration state on upstream registration 
The function `_update_nce_ar_state()` was introduced during the review
of \#7424, but it's return value never used, causing faulty behavior.
 2017-10-10 11:06:47 +02:00
Martine Lenders
6a7de28cd1
gnrc: integrate NIB for testing 2017-10-10 10:12:19 +02:00
Martine Lenders
1b36cdf79e
nib: implement public NIB functions up to link-local AR 2017-10-10 10:12:19 +02:00
Martine Lenders
d8acdc9d2d gnrc_ipv6_nib: add forwarding table component 2017-10-06 23:01:10 +02:00
Martine Lenders
0b2bc25ee0 gnrc_ipv6_nib: provide component to handle ABRO 2017-10-06 22:09:53 +02:00
Cenk Gündoğan
080590f587 Merge pull request #7222 from miri64/gnrc_ipv6_nib/feat/pl-component 
gnrc_ipv6_nib: add prefix list component
 2017-10-06 15:42:39 +02:00
Martine Lenders
3685fa02ae
gnrc_ipv6_nib: add prefix list component 2017-10-06 15:35:40 +02:00
Cenk Gündoğan
43283ef16b Merge pull request #7064 from miri64/gnrc_ndp2/api/initial 
gnrc_ndp2: Provide GNRC abstraction layer for NIB for sending
 2017-10-06 13:33:36 +02:00
Martine Lenders
08447ed51e
gnrc_ndp2: Provide GNRC abstraction layer for NIB for sending 2017-10-06 12:11:05 +02:00
Cenk Gündoğan
c3d3e7d024 Merge pull request #7212 from miri64/gnrc_ipv6_nib/feat/internal-offl 
gnrc_ipv6_nib: provide internal implementation for off-link entries
 2017-10-06 12:02:43 +02:00
Cenk Gündoğan
11baf130a3 Merge pull request #6988 from miri64/gnrc_ipv6_nib/feat/nc-component 
gnrc_ipv6_nib: add neighbor cache component
 2017-10-06 11:57:46 +02:00
Martine Lenders
f249c0c2a0
gnrc_ipv6_nib: provide internal implementation for off-link entries 2017-10-06 11:50:59 +02:00
Martine Lenders
4df88c89bf
gnrc_ipv6_nib: add neighbor cache component 2017-10-06 11:33:12 +02:00
Joakim Nohlgård
8415c4eebc gnrc_icmpv6: Clean up redundant conditional debug statement 2017-08-09 16:27:30 +02:00
Martine Lenders
b32200e3ad gnrc_ipv6_nib: fix caching mechanism of neighbor cache 2017-06-15 11:40:46 +02:00
Martine Lenders
e92f97cb12 gnrc_ipv6_nib: initial import of internal NIB functions 2017-06-09 21:52:37 +02:00
Cenk Gündoğan
6065be76e1 ndp: warn gcc-7 about intentional fall-through 
Since gcc-7 `Wimplicit-fallthrough` is activated by using `-Wextra`.
This leads to the following problem when compiling `gnrc_networking`:

```
RIOT/sys/net/gnrc/network_layer/ndp/internal/gnrc_ndp_internal.c: In function ‘gnrc_ndp_internal_set_state’:
RIOT/sys/net/gnrc/network_layer/ndp/internal/gnrc_ndp_internal.c:106:15: error: this statement may fall through [-Werror=implicit-fallthrough=]
   t = ipv6_iface->reach_time;
  ~~^~~~~~~~~~~~~~~~~~~~~~~~
RIOT/sys/net/gnrc/network_layer/ndp/internal/gnrc_ndp_internal.c:109:9: note: here
case GNRC_IPV6_NC_STATE_DELAY:
         ^~~~
```

The fall-through in this code is intentional. There are several ways to
warn the comiler about such intentional fall-throughs, which include
e.g. attributed empty statements (`__attribute__ ((fallthrough));`).
I don't like tis approach however. The best way would probably be to
remove this fall-through from the code. However, to keep the diff
minimal, and since ndp will change in the future, I went for warning
the compiler using comments.

The compiler checks comments for several *fall through* regexs to
decide whether a fallthrough was intentional or not.

You can read more about this gcc option in [1]. A note about
fallthrough comment regexs is at the bottom of this article.

[1] https://developers.redhat.com/blog/2017/03/10/wimplicit-fallthrough-in-gcc-7/
 2017-05-30 14:23:37 +02:00
Kaspar Schleiser
0fcc7d3834 cleanup: apply headerguard script output 2017-05-24 17:54:02 +02:00
Martine Lenders
38f383c68d Merge pull request #6703 from OlegHahm/cppcheck_fixes 
dist: enable cppcheck warnings for all files
 2017-04-19 08:18:47 +02:00
smlng
25e62a7087 net, icmpv6: correct debug output 2017-04-18 11:57:40 +02:00
Oleg Hahm
a9cc8babba gnrc: ndp: suppress wrong cppcheck warnings 2017-04-14 14:36:15 +02:00
Oleg Hahm
45cd9ad5c4 gnrc: 6lowpan-nd: suppress wrong cppcheck warnings 2017-04-14 14:36:15 +02:00
Oleg Hahm
191797bc6b gnrc: 6lowpan-nd: removed superfluous check 2017-04-14 14:36:15 +02:00
Martine Lenders
c2c2516a53 gnrc: fix cppcheck warnings 2017-04-14 14:36:14 +02:00
Joakim Nohlgård
0ba9fd3456 6lo: Avoid null ptr dereference when DAC=1, DAM=00, M=1 2017-04-02 18:42:01 +02:00
smlng
3c0a2f6953 gnrc, ipv6: add static link local ipv6 address 2017-02-28 20:09:40 +01:00
Martine Lenders
2fd69653af gnrc_ndp: do not add new neighbors as TENTATIVE on 6LR 2017-01-23 14:02:26 +01:00
Oleg Hahm
7ee7801c10 *: remove trailing underscores from header guards 2017-01-19 18:30:53 +01:00
Oleg Hahm
4f4214235b timex: unambiguous time conversion macros 2017-01-19 13:18:08 +01:00
Joakim Nohlgård
7c48c891a0 xtimer: Update xtimer usage to match API changes 2016-11-29 20:44:31 +01:00
Alexandre Abadie
e0164660eb Merge pull request #6064 from miri64/gnrc_sixlowpan_nhc/fix/forwarding 
gnrc_sixlowpan_nhc: fix forwarding case
 2016-11-09 15:56:21 +01:00
Martin Elshuber
b582e64b09 gnrc_sixlowpan_iphc.c: Updated comments some logic 2016-11-08 13:04:12 +01:00
Martin Elshuber
faa47a0e03 gnrc_sixlowpan_iphc: Fixed encoding when COMP=0 
Summary:

Even ehen COMP is cleared, the algorithm always elides part of the address when a matching
context is found.

This behviour occurs because in the line

  if ((src_ctx != NULL) || ipv6_addr_is_link_local(&(ipv6_hdr->src)))

the COMP bit is not tested.

This patch fixes the problem by setting [src|dst]_ctx to NULL if the
context must not be used.
 2016-11-07 19:53:04 +01:00
Martine Lenders
1605b506c9 gnrc_sixlowpan_nhc: fix forwarding case 2016-11-07 15:46:56 +01:00
Hauke Petersen
bc232a5642 Merge pull request #5524 from miri64/gnrc_netreg/api/helper-macro 
gnrc_netreg: introduce helper macro/function for entry init
 2016-10-25 21:21:25 +02:00
Martine Lenders
dc45cd2610 gnrc: use new netreg helper functions everywhere 2016-10-25 18:47:30 +02:00
DipSwitch
6a484d19cb ndp: fix debug in message in gnrc_ndp_internal_send_nbr_sol 2016-10-03 11:56:22 +02:00
Oleg Hahm
b428979a1d debug: add missing line breaks 2016-09-27 23:38:41 +02:00
Martine Lenders
9874a6d69a Merge pull request #5811 from makomi/gnrc 
sys/net/gnrc: fix cppcheck errors/ warnings
 2016-09-05 13:06:04 +02:00
Matthias Kolja Miehl
b108a57637 sys/net/gnrc: gnrc_ipv6_ext: fix variableScope 2016-09-05 02:23:59 +02:00
Martine Lenders
dd7fb1c63b Merge pull request #5228 from OlegHahm/gnrc_ipv6_hdr_get 
gnrc ipv6: convenient function to get the header
 2016-09-01 23:16:49 +02:00
Martine Lenders
2c5fbab3ff Merge pull request #5525 from miri64/gnrc/enh/dispatch-send 
gnrc: use gnrc_netapi_dispatch_send() instead of manual iteration
 2016-08-25 14:21:19 +02:00
Martine Lenders
bd230d3b63 gnrc_ipv6: gnrc_icmpv6: use dispatch_receive helper function 2016-08-18 13:25:07 +02:00
Martine Lenders
72d177074b gnrc: use gnrc_netapi_dispatch_send() instead of manual iteration 2016-08-12 14:06:58 +02:00
Martine Lenders
6d72cdb595 gnrc_ipv6: copy user flags from old netif headers 
Upper layers might want to utilize the flags (e.g. to tell 6LoWPAN to elide
UDP checksums). This change allows for this by copying non-addressing related
flags to the address resolution generated netif header from the user generated
netif header.
 2016-07-26 21:06:36 +02:00
Oleg Hahm
a2b9defc8b gnrc ipv6: convenient function to get the header 2016-07-22 16:34:52 +02:00
Martine Lenders
e9bbd54f58 Merge pull request #5033 from Yonezawa-T2/validate_ipv6_size 
gnrc_ipv6: validates payload size
 2016-06-07 17:50:28 +02:00
Yonezawa-T2
0de34c91c6 gnrc_ipv6: validates payload size 2016-06-07 10:01:23 +09:00
Martine Lenders
98949f5cb4 Merge pull request #5498 from kaspar030/make_msg_content_ptr_void_star 
core: change msg.content.ptr type to void *
 2016-06-03 13:59:25 +02:00
Peter Kietzmann
e8e9619f01 Merge pull request #5501 from Yonezawa-T2/gnrc_sixlowpan_iphc_propagate_error 
gnrc_sixlowpan_iphc: propagate UDP decode error
 2016-06-03 10:07:06 +02:00
Yonezawa-T2
ba4b099d93 gnrc_sixlowpan_iphc: propagate UDP decode error 2016-06-03 11:35:22 +09:00
Yonezawa-T2
a6c14dadb3 gnrc_sixlowpan_iphc: fix compile error for debug output 2016-06-03 11:33:08 +09:00
Kaspar Schleiser
7718f114cb all: remove pointer casts for msg.content.ptr 2016-06-02 23:13:42 +02:00
Oleg Hahm
6707c20b7d netstats: initial import of IPv6 netstats 2016-05-25 14:44:53 +02:00
Cenk Gündoğan
1791ef5581 gnrc_ndp: check nc_entry before using it 2016-05-17 09:52:16 +02:00
Martine Lenders
4a13324abb Merge pull request #5281 from authmillenon/gnrc_ipv6/fix/ext-fix-with-nhc 
gnrc_ipv6: fix asserts for NHC
 2016-04-27 08:39:39 +02:00
Martine Lenders
bf135c4750 Merge pull request #5362 from cgundogan/pr/gnrc_ipv6/remove_unnecessary_check 
gnrc_ipv6: remove superfluous check for if_entry
 2016-04-22 18:18:43 +02:00
Martine Lenders
82a3aae8be gnrc_ipv6: fix asserts for NHC 2016-04-22 10:11:38 +02:00
kYc0o
d071b2a23d Merge pull request #5309 from authmillenon/gnrc_ndp/fix/gua-hack 
gnrc_ndp: don't let addresses timeout
 2016-04-20 14:36:51 +02:00
Hauke Petersen
4ace70199e Merge pull request #5326 from authmillenon/gnrc_ipv6/fix/revert5179 
gnrc_ipv6: Revert #5179
 2016-04-20 14:34:07 +02:00
Martine Lenders
8968b7602f gnrc_ndp: don't let addresses timeout 
This is a temporary quick-fix for #5122 to not have GUAs removed on an
interface.
It solves the issue by both not letting the registration run out on the router
and by not letting the lifetime of an auto-configured address expire.
 2016-04-20 13:31:53 +02:00
Cenk Gündoğan
66507c8cfe gnrc_ipv6: remove superfluous check for if_entry 2016-04-20 09:41:45 +02:00
Martine Lenders
84a9ddb2db gnrc_sixlowpan_iphc: fix comparison signage 2016-04-20 06:55:24 +02:00
Oleg Hahm
5d65d59b34 Merge pull request #5232 from gebart/pr/jfischer-nhc-fix 
gnrc_sixlowpan_iphc.c: handle forwarded GNRC_NETTYPE_IPV6 packet
 2016-04-19 14:09:11 +02:00
Martine Lenders
d64b922db0 Revert "gnrc ipv6: replace check by assert" 
This reverts commit 856e1ee0d2.
 2016-04-17 14:06:54 +02:00
Kaspar Schleiser
592558ff33 sys: net: gnrc: fix IS_WIRED netopt call 2016-04-13 15:22:36 +02:00
Cenk Gündoğan
c0790aaa52 gnrc_sixlowpan_ctx: use correct member for ctx id in debug 2016-04-11 01:26:18 +02:00
Johann Fischer
f405891b68 gnrc_sixlowpan_iphc.c: handle forwarded GNRC_NETTYPE_IPV6 packet 2016-04-02 07:52:47 +02:00
Oleg Hahm
230e105599 Merge pull request #4738 from authmillenon/gnrc_ipv6/fix/accept-dst-for-all-if 
gnrc_ipv6: accept packets for global dst at all interfaces
 2016-03-30 15:05:35 +02:00
Martine Lenders
5532f92057 gnrc_ipv6: accept packets for global dst at all interfaces 2016-03-30 14:54:48 +02:00
Martine Lenders
6504671a33 Merge pull request #5179 from OlegHahm/ipv6_recv_assert_instead_check 
gnrc ipv6: replace check by assert
 2016-03-29 19:42:00 +02:00
Oleg Hahm
028c9d8029 Merge pull request #5139 from authmillenon/gnrc_ndp/fix/unset-isrouter-on-rtr-sol 
gnrc_ndp: unset isRouter flag for neighbor sending RS
 2016-03-28 19:29:33 +02:00
Martine Lenders
802136dd9a gnrc_ndp: unset isRouter flag for neighbor sending RS 2016-03-28 19:16:51 +02:00
Oleg Hahm
856e1ee0d2 gnrc ipv6: replace check by assert 
The existence of netif is mandatory here.
 2016-03-25 17:30:50 +01:00
kYc0o
f92b025b85 vtimer: get rid of 2016-03-24 17:10:54 +01:00
Cenk Gündoğan
c7a29918ca Merge pull request #5169 from cgundogan/pr/gnrc_netif/DELETE_ALL_INTERFACES 
gnrc_ipv6_netif: remove existing interfaces on INIT
 2016-03-24 16:34:54 +01:00
Cenk Gündoğan
8bc65a9626 gnrc_ipv6_netif: remove existing interfaces on INIT 2016-03-24 16:10:51 +01:00
Martine Lenders
1724ab50fc Merge pull request #4654 from Yonezawa-T2/fix_ipv6_ext 
ipv6_ext: fixed extension header handling
 2016-03-24 10:53:00 +01:00
Yonezawa-T2
6443a2bb5c gnrc_pktbuf: Adds a function to duplicate packet chain 2016-03-24 18:20:28 +09:00
Oleg Hahm
32af3f962e gnrc ipv6: make address parameters const 2016-03-23 15:20:12 +01:00
Oleg Hahm
991c71cf27 gnrc ipv6: use ipv6_addr_t ptr for hdr_build 2016-03-23 15:20:12 +01:00
Oleg Hahm
360413a033 gnrc ipv6 hdr: remove len params from hdr_build 2016-03-23 15:20:11 +01:00
Yonezawa-T2
f0acefd0af gnrc_ipv6_nc: fix compilation error at debug output 2016-03-23 13:32:38 +09:00
Yonezawa-T2
bc5b0c3140 ipv6_ext: fixed extension header handling 2016-03-22 12:45:08 +09:00
Cenk Gündoğan
6f6ec3c8a5 gnrc_ipv6_nc: refactor nc_remove function 2016-03-16 13:51:21 +01:00
Martine Lenders
0a3b56e0b4 Merge pull request #5006 from immesys/fix-rtr-adv 
ndp: change rtr adv src to link local
 2016-03-16 12:42:12 +01:00
Martine Lenders
312047fa84 Merge pull request #5029 from gebart/pr/6lo-decoded-hdr-snip-ordering 
gnrc_sixlowpan: Preserve order when replacing 6lowpan header by decoded IPv6 header
 2016-03-16 11:53:53 +01:00
Joakim Nohlgård
ad40c208c1 Merge pull request #5070 from cgundogan/pr/gnrc_ipv6_nc/remove_timers 
gnrc_ipv6_nc: remove nc_entry timers
 2016-03-16 11:28:52 +01:00
Joakim Nohlgård
f2883792e0 gnrc_ipv6: Set preferred lifetime infinite on addresses in border router scenario. 2016-03-16 10:59:19 +01:00
Cenk Gündoğan
f91e4bde9d gnrc_ipv6_nc: remove nc_entry timers 2016-03-14 23:45:17 +01:00
Martine Lenders
1659b9cc07 Merge pull request #5050 from gebart/pr/ipv6-rm-netif 
gnrc_ipv6: Strip netif header and nothing else
 2016-03-14 13:14:43 +01:00
Joakim Nohlgård
d770d6ab31 gnrc_sixlowpan: Preserve order when replacing 6lowpan header by decoded IPv6 header 2016-03-12 11:36:24 +01:00
Joakim Nohlgård
61e2626779 gnrc_ipv6: Strip netif header and nothing else 2016-03-12 11:13:53 +01:00
Martine Lenders
178c3169d7 gnrc_sixlowpan_frag: use IPv6 type for reassembled packet 2016-03-12 10:45:03 +01:00
Cenk Gündoğan
ba7d6230c0 Merge pull request #4935 from authmillenon/gnrc_sixlowpan_iphc_nhc/fix/frag 
gnrc_sixlowpan_iphc_nhc: fix NHC UDP decoding for fragmented packets
 2016-03-11 16:41:27 +01:00
Joakim Nohlgård
ea8b0325eb gnrc: Set address valid lifetime to UINT32_MAX for border router scenario 2016-03-09 14:26:17 +01:00
Michael Andersen
60f6aeaf70 ndp: change rtr adv src to link local 2016-03-08 21:33:35 -08:00
Michael Andersen
1082a93a42 ndp: fix neighbor advertisement byte ordering 2016-03-05 13:39:50 -08:00
Martine Lenders
ae52bf9a12 gnrc_sixlowpan_iphc_nhc: fix NHC UDP decoding for fragmented packets 2016-03-04 16:40:45 +01:00
Martine Lenders
4504e40fe0 Merge pull request #4771 from Yonezawa-T2/rbuf_gc_improvement 
rbuf: does not remove oldest entry if we have entry for current fragment
 2016-03-04 05:40:00 +01:00
Yonezawa-T2
31fa3404ca rbuf: does not remove oldest entry if we have entry for current fragment 
If all rbuf slots are in use, `_rbuf_gc` removes the oldest entry even if the
entry for the current fragment exists. This effectively decreases usable slots
by one. This patch makes `_rbuf_gc` removes the oldest entry only if there is
no entry for the current fragment.
 2016-03-03 11:19:48 +09:00
Cenk Gündoğan
10cb4d66bf Merge pull request #4870 from authmillenon/ipv6_addr/enh/opt 
ipv6_addr: optimize for size
 2016-03-02 22:04:32 +01:00
Martine Lenders
ac07862363 Merge pull request #4796 from gebart/pr/udp-nhc-typo 
6lo: Fix typo in UDP NHC checksum elision bit define
 2016-03-01 21:54:32 +01:00
Martine Lenders
0e32745b8a gnrc: replace static initializers with constants where sensible 2016-03-01 18:29:15 +01:00
Joakim Nohlgård
647c87c9a5 6lo: Fix typo in UDP NHC checksum elision bit define 2016-03-01 12:35:14 +01:00
Kaspar Schleiser
ded39b461e sys: random: rename genrand_* to random_* 2016-02-29 21:33:17 +01:00
Yonezawa-T2
984e02a7ff rbuf: made RBUF_INT_SIZE configurable 2016-02-29 13:02:32 +09:00
Cenk Gündoğan
0ac4ee705c ipv6: rpl: add source routing header for RPL 2016-02-27 20:39:12 +01:00
Cenk Gündoğan
847c4868a3 Merge pull request #4851 from cgundogan/pr/icmpv6/debug_fix 
gnrc_icmpv6: fix debug outputs
 2016-02-19 08:13:58 +01:00
Cenk Gündoğan
ee4553e176 gnrc_icmpv6: fix debug outputs 2016-02-19 07:51:10 +01:00
Oleg Hahm
fc398d857d ndp: fix NCE creation on RA reception 
RFC4861 says: "If a Neighbor Cache entry is created for the router
[while processing route advertisements], its reachability state MUST be
set to STALE as specified in Section 7.3.3."
 2016-02-18 19:53:39 +01:00
Oleg Hahm
0a65d8c558 Merge pull request #4770 from Yonezawa-T2/rbuf_usec 
rbuf: change arrival time unit from seconds to microseconds
 2016-02-16 11:38:06 +01:00
Yonezawa-T2
d5a02b6de1 rbuf: change arrival time unit from seconds to microseconds 2016-02-16 17:22:25 +09:00
Martine Lenders
a66ce9c3eb Merge pull request #4784 from authmillenon/gnrc_pkt/api/search-type-function 
gnrc_pkt: provide type search function
 2016-02-15 13:33:45 +01:00
Cenk Gündoğan
27a4770601 gnrc_ipv6: make the DEBUG output useful 2016-02-11 16:46:16 +01:00
Martine Lenders
379703ae3a gnrc: use gnrc_pkt_search_type instead of LL_SEARCH_SCALAR 2016-02-11 01:05:02 +01:00
Yonezawa-T2
f638d68ebb rbuf: drop overlapped fragment only if offset or size differs from previous one. 
https://tools.ietf.org/html/rfc4944#section-5.3 says:

> If a link fragment that overlaps another fragment is received, as
> identified above, and differs in either the size or datagram_offset
> of the overlapped fragment, the fragment(s) already accumulated in
> the reassembly buffer SHALL be discarded.  A fresh reassembly may be
> commenced with the most recently received link fragment.
 2016-02-09 11:15:22 +09:00
Oleg Hahm
ae086aeed1 IPv6: cosmetic improvement 
New condition -> new line
 2016-01-29 18:56:03 +01:00
Oleg Hahm
250c288929 6lowpan nd: prefer NCEs over FIB entries 
If an address can be found in the neighbor cache, it should be used - whatever the FIB may return.
 2016-01-29 18:56:03 +01:00
BytesGalore
10ea1226bc gnrc/ipv6: add blacklisting of IPv6 addresses 2016-01-28 21:50:43 +01:00
Oleg Hahm
ae8e0957cb Merge pull request #4705 from cgundogan/pr/ndp/pio_fix 
ndp/internal: fix pio flags for rtr adv
 2016-01-28 16:27:44 +01:00
Cenk Gündoğan
d58e1385b2 ndp/internal: fix pio flags for rtr adv 2016-01-28 14:03:19 +01:00
BytesGalore
2d1671473b gnrc_ipv6/whitelist: switch assignment operation to memcpy() 2016-01-28 06:23:31 +01:00
Martine Lenders
5ddcf09627 gnrc_ipv6_netif: don't advertise routers without GUAs 2016-01-26 23:25:07 +01:00
Cenk Gündoğan
617796241e Merge pull request #4295 from authmillenon/gnrc_ipv6_nc/enh/l2addr-lookup 
gnrc_ipv6_nc: introduce L2 address lookup function
 2016-01-26 19:30:01 +01:00
Oleg Hahm
3d494c8bf9 Merge pull request #3184 from authmillenon/ng_icmpv6_error/feat/init 
gnrc_icmpv6_error: initial import
 2016-01-26 18:23:54 +01:00
test
8d1f91f128 ndp: check for A flag in received PIO 2016-01-26 14:34:48 +01:00
Martine Lenders
da5abe1bcd gnrc_sixlowpan_nd: use gnrc_ipv6_nc_get_l2_addr() 2016-01-26 10:19:16 +01:00
Martine Lenders
0b787b9e02 gnrc_ndp_node: use gnrc_ipv6_nc_get_l2_addr() 2016-01-26 10:19:16 +01:00
Martine Lenders
0e0eef1273 gnrc_ipv6: use gnrc_ipv6_nc_get_l2_addr() 2016-01-26 10:19:15 +01:00
Martine Lenders
7b21f95df5 gnrc_ipv6_nc: introduce L2 address lookup function 2016-01-26 10:19:15 +01:00
Martine Lenders
70c3d29036 gnrc_icmpv6_error: initial import 2016-01-23 16:04:05 +01:00
Martine Lenders
94e4a08f45 Merge pull request #4447 from Yonezawa-T2/fix_gnrc_bugs 
fixes several bugs on GNRC network stack
 2016-01-07 03:38:11 +01:00
Yonezawa-T2
c9c83c7dc7 nc: cancel timer set by gnrc_ndp_rtr_sol_handle in gnrc_ipv6_nc_remove. 2016-01-07 10:12:46 +09:00
Yonezawa-T2
542e045bba gnrc_ipv6_netif: fixed crash when ENABLE_DEBUG is 1. 
When ENABLE_DEBUG is 1, `out` is dereferenced unconditionally, but
`_parse_options` in `gnrc_rpl_control_messages.c` calls it with NULL.

Clarified `out` must not NULL and fixed `_parse_options`.
 2016-01-07 10:08:37 +09:00
Yonezawa-T2
5cb904b57e gnrc_sixlowpan_nd: fixed crash on gnrc_sixlowpan_nd_next_hop_l2addr. 
When `gnrc_ndp_node_next_hop_l2addr` cannot resolve L2 address, it creates a
temporary neighbor cache entry with interface `KERNEL_PID_UNDEF` (unless the
interface is already known) to send a neighbor solicitation. When another packet
directed to the same address is going to sent before receiving a neighbor
advertisement, `gnrc_sixlowpan_nd_next_hop_l2addr` gets the temporary neighbor
cache entry and calls `gnrc_ipv6_netif_get` with `KERNEL_PID_UNDEF`, resulting
get a `NULL`. We must check `NULL` before dereference it.

FYI, both `gnrc_ndp_node_next_hop_l2addr` and
`gnrc_sixlowpan_nd_next_hop_l2addr` are enabled when
`gnrc_sixlowpan_border_router_default` module is enabled with `GNRC_NETIF_NUMOF`
is greater than 1:

gnrc_sixlowpan_border_router_default
→ gnrc_ipv6_router_default
→ gnrc_ndp_router (if GNRC_NETIF_NUMOF > 1)
→ gnrc_ndp_node
→ gnrc_ndp_node_next_hop_l2addr is called from _next_hop_l2addr

gnrc_sixlowpan_border_router_default
→ gnrc_sixlowpan_nd_border_router
→ gnrc_sixlowpan_nd_router
→ gnrc_sixlowpan_nd
→ gnrc_sixlowpan_nd_next_hop_l2addr is called from _next_hop_l2addr
 2016-01-07 10:02:49 +09:00
Martine Lenders
a4a8e83ac7 Merge pull request #4446 from Yonezawa-T2/neighbor_discovery_option_for_6lowpan 
gnrc_ndp: fixed ND Option handling for 6LoWPAN
 2016-01-06 14:03:43 +01:00
Yonezawa-T2
639f7dc020 gnrc_ndp: fixed ND Option handling for 6LoWPAN 
The forms of the Source/Target Link-layer Address option for 6LoWPAN are defined
in RFC 4944 Section 8:
https://tools.ietf.org/html/rfc4944#section-8
The address is 16 bit if length is 1, 64 bit if length is 2.
 2016-01-06 09:38:47 +09:00
Cenk Gündoğan
e79a471931 Merge pull request #4533 from Yonezawa-T2/gnrc_add_missing_unlock 
gnrc_ndp_internal: add missing unlock when the pktbuf is full
 2016-01-04 16:05:17 +01:00
Yonezawa-T2
38d3dc725b gnrc_ndp_internal: add missing unlock when the pktbuf is full 
Squashed a commit by Cenk Gündoğan <cnkgndgn@gmail.com>.
 2015-12-25 11:08:28 +09:00
Cenk Gündoğan
7d628514ab sixlowpan: iphc: fix dependencies for udp and nhc 2015-12-23 13:57:55 +01:00
Cenk Gündoğan
237706dd9e sixlowpan: iphc: remove dispatch and assign result to pkt 2015-12-22 20:54:39 +01:00
Martine Lenders
d342d35dd8 gnrc_sixlowpan: Fix IPHC/NHC packet order problem 2015-12-22 17:14:33 +01:00
Oleg Hahm
b7a7578e21 Merge pull request #4507 from authmillenon/gnrc_ipv6/fix/no-order-assumptions 
gnrc_ipv6: make no pre-assumption about any marked headers
 2015-12-22 11:18:47 +01:00
Oleg Hahm
83649ddb59 Merge pull request #4531 from Yonezawa-T2/gnrc_avoid_infinite_loop 
sixlowpan: fixed infinite loop
 2015-12-22 11:11:55 +01:00
Martine Lenders
34974abac2 Merge pull request #4534 from Yonezawa-T2/gnrc_off_by_1_overrun 
gnrc_ipv6_netif: fixed buffer overrun
 2015-12-22 10:29:57 +01:00
Martine Lenders
5b4ef433a8 Merge pull request #4532 from Yonezawa-T2/gnrc_safe_no_routers 
gnrc_sixlowpan_nd: fixed crash when there are no routers
 2015-12-22 09:15:49 +01:00
Yonezawa-T2
08ba1f8640 gnrc_ipv6_netif: fixed buffer overrun 2015-12-22 11:30:05 +09:00
Yonezawa-T2
fe0e58dce1 gnrc_sixlowpan_nd: fixed crash when there are no routers 2015-12-22 11:29:57 +09:00