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nuttx/net
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Nathan Hartman d09304008e net: Fix sa_family returned by SIOCGIFHWADDR 
* net/netdev/netdev_ioctl.c:
  (netdev_ifr_ioctl): The ioctl SIOCGIFHWADDR provides the hardware
   address (e.g., Ethernet MAC, etc.) of a network interface. It is
   based on Linux. (BSD-based systems don't have this ioctl.) The Linux
   implementation sets sa_family to ARPHRD_ETHER for Ethernet and IEEE
   802.11 interfaces [1]. NuttX was setting it to NET_SOCK_FAMILY for
   these interface types as well as 6LoWPAN and PKTRADIO; this was
   incorrect and also the value of NET_SOCK_FAMILY varies based on
   Kconfig settings. Correcting this to ARPHRD_ETHER for Ethernet and
   IEEE 802.11 and ARPHRD_IEEE802154 for 6LoWPAN and PKTRADIO.

References:
[1] 'man 7 netdevice' on Linux.
2022-09-16 02:59:50 +08:00
..
arp net: cleanup pvconn reference to avoid confuse 2022-08-26 20:58:11 +08:00
bluetooth net: cleanup pvconn reference to avoid confuse 2022-08-26 20:58:11 +08:00
can net: cleanup pvconn reference to avoid confuse 2022-08-26 20:58:11 +08:00
devif net: cleanup pvconn reference to avoid confuse 2022-08-26 20:58:11 +08:00
icmp net: Align the prototype of sock_intf_s::si_ioctl with file_operations::ioctl 2022-09-06 22:46:37 +08:00
icmpv6 net: Align the prototype of sock_intf_s::si_ioctl with file_operations::ioctl 2022-09-06 22:46:37 +08:00
ieee802154 net: cleanup pvconn reference to avoid confuse 2022-08-26 20:58:11 +08:00
igmp net/igmp: Remove igmp_initialize 2022-03-12 19:24:17 +02:00
inet net/inet: invalid addrlen length should return EINVAL 2022-09-08 09:02:30 +08:00
ipforward net: cleanup pvconn reference to avoid confuse 2022-08-26 20:58:11 +08:00
local net: Align the prototype of sock_intf_s::si_ioctl with file_operations::ioctl 2022-09-06 22:46:37 +08:00
mld net/mld/route: fix build warning 2022-09-06 18:24:20 +08:00
neighbor net: use HTONS, NTOHS, HTONL, NTOHL macro in kernel code 2022-01-18 10:59:47 +01:00
netdev net: Fix sa_family returned by SIOCGIFHWADDR 2022-09-16 02:59:50 +08:00
netlink Fix ENOENT errors when polling on Netlink socket 2022-05-14 00:35:29 +03:00
pkt net: cleanup pvconn reference to avoid confuse 2022-08-26 20:58:11 +08:00
procfs net/procfs: add udp profs support 2022-09-09 19:33:46 +08:00
route net/mld/route: fix build warning 2022-09-06 18:24:20 +08:00
rpmsg net: Align the prototype of sock_intf_s::si_ioctl with file_operations::ioctl 2022-09-06 22:46:37 +08:00
sixlowpan net: cleanup pvconn reference to avoid confuse 2022-08-26 20:58:11 +08:00
socket net/getsockname: small addrlen should be a valid value 2022-09-01 01:19:09 +08:00
tcp udp: add IPVx_PKTINFO related support 2022-09-07 10:49:47 +08:00
udp udp: Remove the unnessary check of addr size in udp_readahead 2022-09-09 17:21:33 +02:00
usrsock net/usrsock: Simplify the return value process of net_timedwait 2022-09-11 10:08:04 +09:00
utils net:add btsnoop and snoop 2022-08-24 21:42:30 +08:00
Kconfig net/slip: Rename and clarify orphaned Kconfig options 2022-07-20 13:17:09 +08:00
Makefile net/socket_rpmsg: add net socket rpmsg support 2021-03-07 01:45:51 -08:00
net_initialize.c net: Reoder the initialize sequence(mac->ip->tcp/udp) 2022-03-12 19:24:17 +02:00
README.txt net/loopback: Move g_lo_* global variable to libc/net/ 2020-03-30 09:47:28 -06:00

README.txt 

README
======

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

  nuttx/
   |
   `- net/
       |
       +- arp        - Address resolution protocol (IPv4)
       +- bluetooth  - PF_BLUETOOTH socket interface
       +- devif      - Stack/device interface layer
       +- 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   |
    +----------------------------------------------------------------+ +--------------------------+