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a35ba1e7bc
nuttx/net
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SPRESENSE a35ba1e7bc net: Create fallback option for usrsock 
Changed implementation to use the Kernel network stack when
usrsock daemon returns an error.

This change allows the Kernel network stack to be used instead
of UsrSock when opening a Socket at a time when a VPN configured
with TUN is enabled.
2023-09-21 01:08:11 +08:00
..
arp net/arp: arp should depends on MM_IOB 2023-09-12 16:24:52 +08:00
bluetooth net/assert: remove all unnecessary check for psock/conn 2023-08-30 20:36:49 +08:00
can net/can: add missing FAR specifier 2023-09-16 14:17:47 +08:00
devif devif_callback: modify the code logic to conform to the comment 2023-09-14 18:21:32 +08:00
icmp cmake:complete missing changes during reforming for net 2023-09-13 21:51:20 +08:00
icmpv6 cmake:complete missing changes during reforming for net 2023-09-13 21:51:20 +08:00
ieee802154 net/assert: remove all unnecessary check for psock/conn 2023-08-30 20:36:49 +08:00
igmp mm/alloc: remove all unnecessary cast for alloc 2023-08-30 14:34:20 +08:00
inet inet_sendto: correct error messages and remove the comment 2023-09-09 00:16:52 +08:00
ipforward build: add initial cmake build system 2023-07-08 13:50:48 +08:00
ipfrag net/ipfrag:Fixed ref not initializing warning issue 2023-07-26 08:36:04 -03:00
local net/local: fix build error on CONFIG_DEBUG_OPTLEVEL="-O3" 2023-09-09 17:08:23 +03:00
mld MLD: add byte order conversion for ipv6 address printing 2023-09-09 00:23:35 +08:00
nat mm/alloc: remove all unnecessary cast for alloc 2023-08-30 14:34:20 +08:00
neighbor build: add initial cmake build system 2023-07-08 13:50:48 +08:00
netdev socket can : support ioctl cmd SIOCCANRECOVERY 2023-08-21 13:18:51 +08:00
netfilter build: add initial cmake build system 2023-07-08 13:50:48 +08:00
netlink net/assert: remove all unnecessary check for psock/conn 2023-08-30 20:36:49 +08:00
pkt net/assert: remove all unnecessary check for psock/conn 2023-08-30 20:36:49 +08:00
procfs cmake:complete missing changes during reforming for net 2023-09-13 21:51:20 +08:00
route build: add initial cmake build system 2023-07-08 13:50:48 +08:00
rpmsg rpmsg socket: add return value check. 2023-09-19 09:33:30 +08:00
sixlowpan nxstyle: cleanup UTF-8 Unicode to ASCII 2023-09-18 11:54:17 -04:00
socket net: Create fallback option for usrsock 2023-09-21 01:08:11 +08:00
tcp net/usrsock: Can enable TCP/UDP IP stack with Usrsock enabled 2023-09-21 01:08:11 +08:00
udp net/usrsock: Can enable TCP/UDP IP stack with Usrsock enabled 2023-09-21 01:08:11 +08:00
usrsock net/usrsock: Can enable TCP/UDP IP stack with Usrsock enabled 2023-09-21 01:08:11 +08:00
utils net: remove [enter|leave]_critical_section and sched_[un]lock 2023-08-10 12:24:30 +03:00
CMakeLists.txt build: add initial cmake build system 2023-07-08 13:50:48 +08:00
Kconfig arch: Remove up_netinitialize 2023-08-20 14:33:17 +03:00
Makefile Support fragmentation and reassembly 2023-01-17 14:01:37 +08:00
net_initialize.c net: Reoder the initialize sequence(mac->ip->tcp/udp) 2022-03-12 19:24:17 +02:00
README.txt Support fragmentation and reassembly 2023-01-17 14:01:37 +08:00

README.txt 

README
======

Directory Structure
===================

  nuttx/
   |
   `- net/
       |
       +- arp        - Address resolution protocol (IPv4)
       +- bluetooth  - PF_BLUETOOTH socket interface
       +- devif      - Stack/device interface layer
       +- ipfrag     - Fragmentation and reassembly
       +- icmp       - Internet Control Message Protocol (IPv4)
       +- icmpv6     - Internet Control Message Protocol (IPv6)
       +- ieee802154 - PF_IEEE802154 socket interface
       +- inet       - PF_INET/PF_INET6 socket interface
       +- ipforward  - IP forwarding logic
       +- local      - Unix domain (local) sockets
       +- mld        - Multicast Listener Discovery (MLD)
       +- neighbor   - Neighbor Discovery Protocol (IPv6)
       +- netdev     - Socket network device interface
       +- netlink    - Netlink IPC socket interface
       +- pkt        - "Raw" packet socket support
       +- sixlowpan  - 6LoWPAN implementation
       +- socket     - BSD socket interface
       +- route      - Routing table support
       +- tcp        - Transmission Control Protocol
       +- udp        - User Datagram Protocol
       +- usrsock    - User socket API for user-space networking stack
       `- utils      - Miscellaneous utility functions

    +-------------------------------------------------------------------++------------------------+
    |                     Application layer                             || usrsock daemon         |
    +-------------------------------------------------------------------++------------------------+
    +-------------------------------------------------------------------++----------------+ +-----+
    |                   Socket layer (socket/)                          || /dev/usrsock   | |     |
    +-------------------------------------------------------------------++----------------+ |     |
    +------------++--------------------------------------------------++-------------------+ |     |
    |  Network   || Protocol stacks (arp, ipv6, icmp, pkt, tcp, udp) || usrsock/          | |     |
    |   Device   |+--------------------------------------------------++-------------------+ |     |
    | Interface  |+------------------------------------++---------------------------------+ |     |
    | (netdev/)  ||  Network Device Interface (devif/) || Utilities                       | |     |
    +------------++------------------------------------++---------------------------------+ |     |
    +----------------------------------------------------------------+                      |     |
    |                    Network Device Drivers                      |                      | HAL |
    +----------------------------------------------------------------+                      +-----+
    +----------------------------------------------------------------+ +--------------------------+
    |                    Networking Hardware                         | |  Hardware TCP/IP Stack   |
    +----------------------------------------------------------------+ +--------------------------+