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Nathan Hartman 80ce7800a9 Sources and Docs: Fix typos and nxstyle issues 
Documentation/contributing/coding_style.rst:

    * Fix repeated words: ("this this").
    * Remove trailing spaces.

boards/z80/z80/z80sim/README.txt:

    * Fix repeated words: ("this this") and rewrap lines.

graphics/Kconfig,
libs/libc/math/Kconfig:

    * Fix repeated words: ("this this").

arch/arm/src/armv7-a/arm_assert.c,
arch/arm/src/armv7-r/arm_assert.c,
arch/arm/src/imxrt/imxrt_enet.c,
arch/arm/src/kinetis/kinetis_enet.c,
arch/arm/src/kinetis/kinetis_flexcan.c,
arch/arm/src/s32k1xx/s32k1xx_enet.c,
arch/arm/src/s32k1xx/s32k1xx_flexcan.c,
arch/arm/src/stm32/stm32_pwm.c,
arch/arm/src/stm32h7/stm32_pwm.c,
arch/arm/src/stm32l4/stm32l4_pwm.c,
arch/renesas/src/rx65n/rx65n_usbdev.c,
binfmt/libnxflat/libnxflat_bind.c,
drivers/pipes/pipe_common.c,
net/igmp/igmp_input.c,
net/tcp/tcp_conn.c,
sched/sched/sched_roundrobin.c:

    * Fix typo in comment ("this this").

arch/arm/src/cxd56xx/cxd56_usbdev.c,
arch/arm/src/lc823450/lc823450_usbdev.c:

    * Fix typo in comment and rewrap lines.

arch/arm/src/imxrt/imxrt_usbdev.c,
arch/arm/src/stm32/stm32_dac.c,
arch/arm/src/stm32f0l0g0/stm32_pwm.c,
arch/arm/src/stm32f7/stm32_pwm.c,
arch/arm/src/tiva/lm/lm4f_gpio.h,
fs/nxffs/nxffs_write.c,
include/nuttx/analog/pga11x.h,
include/nuttx/usb/usbdev.h,
net/mld/mld_join.c:

    * Fix typo in comment ("this this").
    * Fix nxstyle issues.
2020-10-02 04:54:52 +02:00
..
arp Run nxstyle all .c and .h files modified by PR. 2020-05-17 14:01:00 -03:00
bluetooth net: For Bluetooth sockets use the Linux sockaddr types 2020-08-29 14:04:54 -06:00
can SocketCAN: Fixed dropping timestamped frames when running in CAN2.0B 2020-06-17 15:17:38 -07:00
devif Change all files come from Xiaomi/Pinecone to Apache License 2.0 2020-08-22 17:37:21 -06:00
icmp net/icmp/icmp_recvfrom.c: fix a NULL dereference 2020-07-30 16:16:21 +02:00
icmpv6 Fix nxstyle warning 2020-08-22 17:37:21 -06:00
ieee802154 NXStyle fixes 2020-06-15 08:07:19 -06:00
igmp Sources and Docs: Fix typos and nxstyle issues 2020-10-02 04:54:52 +02:00
inet Fix nxstyle warning 2020-08-22 17:37:21 -06:00
ipforward Fix typos in comments and documentation. 2020-03-16 20:01:11 -06:00
local NXStyle fixes 2020-06-15 08:07:19 -06:00
mld Sources and Docs: Fix typos and nxstyle issues 2020-10-02 04:54:52 +02:00
neighbor Change all files come from Xiaomi/Pinecone to Apache License 2.0 2020-08-22 17:37:21 -06:00
netdev NXStyle fixes 2020-06-15 08:07:19 -06:00
netlink net: Add SocketCAN support 2020-06-15 08:07:19 -06:00
pkt net: Add SocketCAN support 2020-06-15 08:07:19 -06:00
procfs net/procfs: Support chdir("/proc/net/") correctly 2020-08-03 21:00:18 +01:00
route Check return from nxsem_wait_initialize() 2020-03-29 20:11:10 +01:00
sixlowpan Fix nxstyle warning 2020-08-08 17:30:26 -03:00
socket libc/stdio: Allocate file_struct dynamically 2020-09-11 17:58:17 +08:00
tcp Sources and Docs: Fix typos and nxstyle issues 2020-10-02 04:54:52 +02:00
udp Run nxstyle all .c and .h files modified by PR. 2020-05-17 14:01:00 -03:00
usrsock net/usrsock: fix outputted function name in debug prints 2020-09-21 10:36:31 -03:00
utils net: Add SocketCAN support 2020-06-15 08:07:19 -06:00
Kconfig net:Add ARCH_PHY_POLLED option 2020-10-01 15:28:51 +08:00
Makefile Makefile: Fix Make.dep not updated by config changes 2020-07-28 03:59:45 -05:00
net_initialize.c net: Add SocketCAN support 2020-06-15 08:07:19 -06:00
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   |
    +----------------------------------------------------------------+ +--------------------------+