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chao an 3a653c1d5e net/usrsock: read from the closed remote should return EOF 
fix usrsock remote_disconnect fail:

nsh> usrsocktest
...
Testing group "remote_disconnect" =>
	[TEST ASSERT FAILED!]
		In function "receive":
		line 497: Assertion `(ssize_t)((ret)) == (ssize_t)((0))' failed.
			got value: -1
			should be: 0
	Group "remote_disconnect": [FAILED]
...

Reference:

RECV(2)

NAME
       recv, recvfrom, recvmsg - receive a message from a socket
...
RETURN VALUE
...
       When a stream socket peer has performed an orderly shutdown,
       the return value will be 0 (the traditional "end-of-file" return).

       Datagram sockets in various domains (e.g., the UNIX and Internet domains)
       permit zero-length datagrams.  When such a datagram is received, the return value is 0.

Signed-off-by: chao an <anchao@xiaomi.com>
2022-09-01 08:48:26 +09:00
..
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: cleanup pvconn reference to avoid confuse
2022-08-26 20:58:11 +08:00
icmpv6
net: cleanup pvconn reference to avoid confuse
2022-08-26 20:58:11 +08:00
ieee802154
net: cleanup pvconn reference to avoid confuse
2022-08-26 20:58:11 +08:00
igmp
…
inet
make sure conn's domain is match with addr's family
2022-07-29 13:53:19 +08:00
ipforward
net: cleanup pvconn reference to avoid confuse
2022-08-26 20:58:11 +08:00
local
Replace all strncpy with strlcpy for safety
2022-08-25 13:38:36 +08:00
mld
…
neighbor
…
netdev
net: cleanup pvconn reference to avoid confuse
2022-08-26 20:58:11 +08:00
netlink
…
pkt
net: cleanup pvconn reference to avoid confuse
2022-08-26 20:58:11 +08:00
procfs
Replace all strncpy with strlcpy for safety
2022-08-25 13:38:36 +08:00
route
…
rpmsg
rptun: add ns_match callback to resolve rptun deadlock
2022-07-27 20:36:51 +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
net/tcp: fix devif callback list corruption on tcp_close()
2022-08-30 19:41:18 +08:00
udp
net: cleanup pvconn reference to avoid confuse
2022-08-26 20:58:11 +08:00
usrsock
net/usrsock: read from the closed remote should return EOF
2022-09-01 08:48:26 +09:00
utils
net:add btsnoop and snoop
2022-08-24 21:42:30 +08:00
Kconfig
…
Makefile
…
net_initialize.c
…
README.txt
…

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   |
    +----------------------------------------------------------------+ +--------------------------+