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206 Commits

Author SHA1 Message Date
Gregory Nutt
aa2e9c15a5 IP forwarding: Major rearchitecting of the outgoing portion of the IP forwarding logic necessary into to properly received device-related forwarding events. 2017-07-07 20:19:26 -06:00
Gregory Nutt
803235ad4b IP forwaring: Rename some files to get closer to other naming conventions. 2017-07-07 18:45:58 -06:00
Gregory Nutt
7258f1cbfc IP forwarding: Move to separate directory. A few fixes from early testing; In TUN driver, do all polling on worker thread. Otherwise, the stack gets very deep. 2017-07-07 18:33:06 -06:00
Gregory Nutt
8d81b35c44 network: Correct some issues that prevent TCP from working correctly when both IPv4 and IPv6 are enabled. 2017-07-07 08:50:01 -06:00
Gregory Nutt
b5d7187df6 IP forwarding design simplication; might save some memory. Also fix some compile issues introduce with last commit in MULTINIC configration. 2017-07-06 16:19:10 -06:00
Gregory Nutt
b297066eb9 IP Forwarding: Add IPv4 packet forwarding logic. Initial commit is an untested clone of the IPv6 forwarding logic with a few minor logic changes for IPv4. 2017-07-05 15:12:29 -06:00
Gregory Nutt
edf16c5805 IP forwarding: In check it the Ethernet MAC address is in the ARP/Neighbor table, add an additional check to skip in the case of CONFIG_NET_MULTILINK and the devices is not an Ethernet device. 2017-07-05 12:40:26 -06:00
Gregory Nutt
31f832d8c5 IP forwarding: Flesh out TCP, UDP, and ICMPv6 packet forwarding logic. 2017-07-05 11:01:16 -06:00
Gregory Nutt
c0c275c8fc IP forwarding. Adds a little more structure to handle passing packets received on one network device to another network device. Logic is still incomplete. 2017-07-04 10:19:52 -06:00
Gregory Nutt
83a875f394 IP forwarding: Add some fragments of TCP forwarding logic. 2017-07-03 15:58:01 -06:00
Gregory Nutt
5a8668b362 6LoWPAN TCP: Fix more ACK handling, fix some callback flag settings. Now the TCP test appears fully functional on 6LoWPAN. 2017-06-25 13:00:42 -06:00
Gregory Nutt
3203f0a93a 6LoWPAN TCP: Major re-architecting of TCP logic to properly handle TCP stuf like ACKs and TPC windowing which were not properly covered in the initial design. Still does not work; hangs waiting of ACKs. 2017-06-24 16:00:41 -06:00
Gregory Nutt
96af668ab8 6LoWPAN: Handle case where the local address is zero (listen socket) 2017-06-24 11:57:59 -06:00
Gregory Nutt
01b0a56371 TCP: tcp_input() now receives IP domain as an input parameter vs. deriving from the IP header length. 2017-05-25 08:02:08 -06:00
Masayuki Ishikawa
32a638cdfe TCP: Fix tcp_findlistner() in dual stack mode 
Signed-off-by: Masayuki Ishikawa <masayuki.ishikawa@gmail.com>
 2017-05-25 16:54:19 +09:00
Gregory Nutt
56c8456ff0 Update some comments. 2017-05-16 07:38:57 -06:00
Gregory Nutt
914c5dad0c TCP: An RST recevied suring the 3-way handshake requires a little more clean-up 2017-05-15 08:10:43 -06:00
Gregory Nutt
aa57fb159d TCP: Send RST if applicaiton 'unlistens()' before we complete the connection sequence. 2017-05-14 13:30:59 -06:00
Gregory Nutt
8acfea1197 Fix some typos 2017-05-14 12:14:31 -06:00
Gregory Nutt
d339ba9e0e TCP: Fix some potential error conditions that could result from deferring the connection until the full 3-way handshake has completed. 2017-05-14 10:56:25 -06:00
Simon Piriou
8dc7f6d79e tcp: wait for 3-Way Handshare before accept() returns 2017-05-14 09:08:32 -06:00
Gregory Nutt
0de294a586 Fix lots of occurrences of 'the the', 'the there', 'the these', 'the then', 'the they. 2017-05-11 13:35:56 -06:00
Gregory Nutt
2043e1a114 IOBs: Move from driver/iob to a better location in mm/iob 2017-05-09 07:35:30 -06:00
Gregory Nutt
d5207efb5a Be consistent... Use Name: consistent in function headers vs Function: 2017-04-21 16:33:14 -06:00
Gregory Nutt
bfb93338f6 Move net/iob to drivers/iob so that the I/O buffering feature can be available to other drivers when networking is disabled. 2017-04-20 16:08:49 -06:00
Gregory Nutt
bcc6b61fc1 Move include/nuttx/net/iob.h to include/drivers/iob.h; rename CONFIG_NET_IOB to CONFIG_DRIVERS_IOB 2017-04-20 14:53:30 -06:00
Gregory Nutt
7cb34d969d 6loWPAN: More fixes from early debug. 2017-04-03 15:25:36 -06:00
Gregory Nutt
1b6630ee75 6loWPAN: Fix compile errors and warnings when building the complete 6loWPAN configuration. 2017-04-02 17:46:22 -06:00
Gregory Nutt
76406af71b 6loWPAN: Add support for sendto() 2017-04-02 11:15:46 -06:00
Gregory Nutt
732f0855c6 6loWPAN: Fleshes out framwork for IEEE802.15.4 send. But still has some gaping holes. 2017-03-31 15:09:07 -06:00
Jussi Kivilinna
cd3c9634c8 Add user-space networking stack API (usrsock) 
User-space networking stack API allows user-space daemon to
provide TCP/IP stack implementation for NuttX network.

Main use for this is to allow use and seamless integration of
HW-provided TCP/IP stacks to NuttX.

For example, user-space daemon can translate /dev/usrsock
API requests to HW TCP/IP API requests while rest of the
user-space can access standard socket API, with socket
descriptors that can be used with NuttX system calls.
 2017-03-31 08:58:14 -06:00
Gregory Nutt
64933246c3 6loWPAN: Tie 6loWPAN send into common socket send logic. 2017-03-28 14:08:54 -06:00
Gregory Nutt
ba2b345990 Remove a few remaining use of the obsolteted 'Compilation Switches' program section 2017-01-22 08:57:18 -06:00
Gregory Nutt
9f7d332028 Minor changes from the review of the last PR 2017-01-18 07:32:27 -06:00
Pascal Speck
2e074ca4f9 - Fixed some issues that prevented ipv6 to work with ipv4 enabled. 2017-01-18 10:57:15 +01:00
Gregory Nutt
7467329a98 Eliminate CONFIG_NO_NOINTS. Lots of files changed -> lots of testing needed. 2016-12-03 16:28:19 -06:00
Gregory Nutt
2d057c28c8 net: Disable priority inheritance on all semaphores used for signaling 2016-11-03 12:17:02 -06:00
Gregory Nutt
9c3bade7b4 net/tcp: tcp_ipvX_bind() not actually using the ported selected with port==0. Also removes duplicate call to pkt_input(). Issues noted by Pascal Speck. 2016-08-30 07:59:57 -06:00
Gregory Nutt
2a751068e6 Without lowsyslog() *llerr() is not useful. Eliminate and replace with *err(). 2016-06-20 12:44:38 -06:00
Gregory Nutt
43eb04bb8f Without lowsyslog() *llinfo() is not useful. Eliminate and replace with *info(). 2016-06-20 11:59:15 -06:00
Gregory Nutt
d40a473f72 Without lowsyslog() *llwarn() is not useful. Eliminate and replace with *warn(). 2016-06-20 09:37:08 -06:00
Gregory Nutt
2b445ddccc Remove lowsyslog(). The new syslog() includes all of the functionality of lowsyslog(). No longer any need for two interfaces. 2016-06-20 08:57:08 -06:00
Jakub Łągwa
338b915008 While working with version 7.10 I discovered a problem in TCP stack that could be observed on high network load. Generally speaking, the problem is that RST flag is set in unnecessary case, in which between loss of some TCP packet and its proper retransmission, another packets had been successfully sent. The scenario is as follows: NuttX did not receive ACK for some sent packet, so it has been probably lost somewhere. But before its retransmission starts, NuttX is correctly issuing next TCP packets, with sequence numbers increasing properly. When the retransmission of previously lost packet finally succeeds, tcp_input receives the accumulated ACK value, which acknowledges also the packets sent in the meantime (i.e. between unsuccessful sending of lost packet and its proper retransmission). However, variable unackseq is still set to conn->isn + conn->sent, which is truth only if no further packets transmission occurred in the meantime. Because of incorrect (in such specific case) unackseq value, few lines further condition if (ackseq <= unackseq)is not met, and, as a result, we are going to reset label. 2016-06-20 06:55:29 -06:00
Gregory Nutt
7d0950bb22 net/: Change some nerr() ERRORS to nwarn() WARNINGS. Anomolous network events are not errors. 2016-06-12 07:09:37 -06:00
Gregory Nutt
f4fcdcdb4d net/: Change some *err() message to *info() messages if what was a *dbg() message does not indicate and error condition. 2016-06-11 17:37:21 -06:00
Gregory Nutt
a1469a3e95 Add CONFIG_DEBUG_ERROR. Change names of *dbg() * *err() 2016-06-11 15:50:49 -06:00
Gregory Nutt
e99301d7c2 Rename *lldbg to *llerr 2016-06-11 14:55:27 -06:00
Gregory Nutt
86b79b33cf Reserver the name 'err' for other purposes 2016-06-11 14:40:07 -06:00
Gregory Nutt
1cdc746726 Rename CONFIG_DEBUG to CONFIG_DEBUG_FEATURES 2016-06-11 14:14:08 -06:00
Gregory Nutt
fc3540cffe Replace all occurrences of vdbg with vinfo 2016-06-11 11:59:51 -06:00