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nuttx/net
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YAMAMOTO Takashi 14ec75e7fc tcp: window update improvements 
* Fixes the case where the window was small but not zero.

* tcp_recvfrom: Remove tcp_ackhandler. Instead, simply schedule TX for
  a possible window update and make tcp_appsend decide.

* Replace rcv_wnd (the last advertized window size value) with
  rcv_adv. (the window edge sequence number advertized to the peer)
  rcv_wnd was complicated to deal with because its base (rcvseq) is
  also moving.

* tcp_appsend: Send a window update even if there are no other reasons
  to send an ack.
  Namely, send an update if it increases the window by
    * 2 * mss
    * or the half of the max possible window size
2021-06-13 21:20:24 -05:00
..
arp net: arp: Fix a potential bug in arp_notify() 2021-03-31 12:23:35 -05:00
bluetooth libc/assert: Reference the expression in all case 2021-04-03 21:00:41 +01:00
can sourcefiles: Fix relative path in file header 2021-03-09 23:18:28 +08:00
devif devif_poll_tcp_connections: Fix a comment typo 2021-05-31 01:37:51 -05:00
icmp Include assert.h in necessary place 2021-06-08 13:06:08 -07:00
icmpv6 Include assert.h in necessary place 2021-06-08 13:06:08 -07:00
ieee802154 libc/assert: Reference the expression in all case 2021-04-03 21:00:41 +01:00
igmp Don't include assert.h from public header file 2021-06-03 08:36:03 -07:00
inet inet:sockif Fix warning 2021-05-03 16:55:48 -04:00
ipforward Include assert.h in necessary place 2021-06-08 13:06:08 -07:00
local net/local: add local_nextconn() helper 2021-06-10 13:57:32 -03:00
mld Don't include assert.h from public header file 2021-06-03 08:36:03 -07:00
neighbor Don't include assert.h from public header file 2021-06-03 08:36:03 -07:00
netdev net/dev: link the net device as order of registration 2021-05-31 01:38:38 -05:00
netlink net/socket: move si_send/recv into sendmsg/recvmsg 2021-03-05 04:46:13 -08:00
pkt sourcefiles: Fix relative path in file header 2021-03-09 23:18:28 +08:00
procfs Don't include assert.h from public header file 2021-06-03 08:36:03 -07:00
route Fix typos (and nxstyle errors) 2021-03-21 21:51:14 +01:00
rpmsg Don't include assert.h from public header file 2021-06-03 08:36:03 -07:00
sixlowpan tcp: window update improvements 2021-06-13 21:20:24 -05:00
socket net/accept: alloc the accept fd after accept success 2021-06-11 05:00:21 -05:00
tcp tcp: window update improvements 2021-06-13 21:20:24 -05:00
udp Include assert.h in necessary place 2021-06-08 13:06:08 -07:00
usrsock net: fix nxstyle errors 2021-04-02 11:12:25 -05:00
utils NuttX: Gregory Nutt: update licenses to Apache 2021-04-03 04:20:31 -07:00
Kconfig net/socket_rpmsg: add net socket rpmsg support 2021-03-07 01:45:51 -08:00
Makefile net/socket_rpmsg: add net socket rpmsg support 2021-03-07 01:45:51 -08:00
net_initialize.c Remove the empty xxx_initialize functions 2021-03-03 08:21:04 +00:00
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   |
    +----------------------------------------------------------------+ +--------------------------+