Commit Graph

110 Commits

Author SHA1 Message Date
Alin Jerpelea
67d02a45eb net: migrate to SPDX identifier
Most tools used for compliance and SBOM generation use SPDX identifiers
This change brings us a step closer to an easy SBOM generation.

Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>
2024-09-12 01:08:11 +08:00
Kian Karas
324446bbba net/udp: fix net_[un]lock() in udp_bind
net_unlock() called without a previous call to net_lock().

Error introduced by b10d6be17a
2024-06-22 19:26:14 -03:00
zhanghongyu
9472426f69 net/inet: Rename ttl to s_ttl in sconn.
uniform naming convention

Signed-off-by: zhanghongyu <zhanghongyu@xiaomi.com>
2024-06-05 23:22:15 +08:00
Zhe Weng
e543a8086e net: Optimize TCP/UDP port selection
Optimize TCP/UDP port selection, and fix possibly dead loop.

Finish discussion in https://github.com/apache/nuttx/pull/12116#discussion_r1560851977

Note:
Linux also uses EADDRINUSE for failing in finding a portno, according to https://man7.org/linux/man-pages/man2/bind.2.html

Signed-off-by: Zhe Weng <wengzhe@xiaomi.com>
2024-04-12 15:46:29 +08:00
Zhe Weng
f2ff5cee03 net/nat: Make some IPv4 NAT functions as common
To prepare for future IPv6 NAT functions.
- Rename common ipv4_nat_xxx to nat_xxx
- Move some common definitions into header

Signed-off-by: Zhe Weng <wengzhe@xiaomi.com>
2024-04-11 22:23:29 +08:00
meijian
93beeeeab0 [tcp/udp] fix port generation not in range
(port % max + min)may overflow uint16

Signed-off-by: meijian <meijian@xiaomi.com>
2024-04-09 23:35:55 +08:00
wangchen
b446a002db net:add customizable default max & min port
add customizable default max & min port

Signed-off-by: wangchen <wangchen41@xiaomi.com>
2024-04-09 23:35:55 +08:00
Xiang Xiao
2fd73bd82f net: Fix max conn always one less than configured value
return NULL only when the total number is larger than configured value

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
2024-04-07 10:42:56 -03:00
Zhe Weng
806d783fd6 net/udp: Deliver data into multiple UDP conn bound to same port
Note: We'll only get multiple conn bound to same port when we support SO_REUSEADDR

Signed-off-by: Zhe Weng <wengzhe@xiaomi.com>
2024-03-29 11:52:24 +08:00
Zhe Weng
2b9633e652 net: Support multiple IPv6 address per netdev
Note that user-space related code, like procfs and lifreq related ioctl commands, are not touched in this commit.

Signed-off-by: Zhe Weng <wengzhe@xiaomi.com>
2023-11-07 19:30:36 +08:00
zhanghongyu
43ecf36d78 udp: modify ipv4 multicast to allow different conn to join simultaneously
add ref count for ipv4 multicast and leave the multicast group when close
behavior alignment with linux.

Signed-off-by: zhanghongyu <zhanghongyu@xiaomi.com>
2023-11-04 17:56:06 +08:00
wangchen
b10d6be17a net:Add check for address binding
Signed-off-by: wangchen <wangchen41@xiaomi.com>
2023-08-03 03:16:31 -07:00
Zhe Weng
075eb6a6d2 net/udp: Change conn->readahead to I/O buffer chain
When using IOB queue to store readahead data, we use one IOB for each
UDP packet. Then if the packets are very small, like 10Bytes per packet,
we'll use ~1600 IOBs just for 16KB recv buffer size, which is wasteful
and dangerous. So change conn->readahead to a single IOB chain like TCP.

Benefits:
- Using memory and IOBs more efficiently (small packets are common in
  UDP)

Side effects:
- UDP recv buffer size may count the overhead
- A little bit drop in performance (<1%, more seek & copy)

Signed-off-by: Zhe Weng <wengzhe@xiaomi.com>
2023-07-18 10:51:45 +08:00
Stuart Ianna
30f8cf541c net/udp: Populate the udp connection structure with the address family.
The udp connection structure contains the field, "domain", which defines which address family it belongs to. Prior to this change, this field was only populated correctly if IPv4 and IPv6 was enabled. As a result, packet information was not processed in udp_recvpktinfo, as expected when the appropriate socket option was enabled.
2023-06-27 14:58:12 +08:00
chao an
589d4a9f8e net/semantic/parser: fix compile warning found by sparse
Reference:
https://linux.die.net/man/1/sparse

Signed-off-by: chao an <anchao@xiaomi.com>
2023-05-30 23:00:00 +08:00
liqinhui
a9640bad1a net: Add the check that socket domain is equal to bound address type, when do bind.
When do socket bind, if the connection domain is not equal to the bound address type, this will cause the stack-buffer-overflow.

Signed-off-by: liqinhui <liqinhui@xiaomi.com>
2023-05-18 01:08:38 +03:00
zhanghongyu
1def5da221 net: move ttl field into socket_conn_s struct
move ttl filed from udp_conn_s to socket_conn_s structure to make it more than just control udp.

Signed-off-by: zhanghongyu <zhanghongyu@xiaomi.com>
2023-05-13 12:39:53 +08:00
Fotis Panagiotopoulos
5e625b9cdb Performance optimizations in connection allocations. 2023-02-28 14:23:16 +01:00
Fotis Panagiotopoulos
7f3591b9cc Improvements in UDP connections allocation. 2023-02-20 09:06:46 +08:00
Zhe Weng
aad1a70bc5 net/udp: Support binding to same addr/port if SO_REUSEADDR is specified.
Ref: On Linux, if SO_REUSEADDR(sk_reuse) is set for both sockets, port will not be regarded as inuse. https://github.com/torvalds/linux/blob/v6.1/net/ipv4/udp.c#L146

Signed-off-by: Zhe Weng <wengzhe@xiaomi.com>
2023-02-10 10:01:08 +01:00
zhanghongyu
3e4e416786 tcp/udp_connect: If the remote addr is ANY, change it to LOOPBACK
Behavior alignment to Linux

Signed-off-by: zhanghongyu <zhanghongyu@xiaomi.com>
2023-01-29 13:46:43 +08:00
zhanghongyu
1857a4a3c8 udp: Ipv4/6 can be bound to the same port
Signed-off-by: zhanghongyu <zhanghongyu@xiaomi.com>
2023-01-28 23:28:33 +02:00
Zhe Weng
a3a669a5f6 net/nat: Add UDP support
Signed-off-by: Zhe Weng <wengzhe@xiaomi.com>
2022-11-11 14:36:55 +08:00
chao an
a8d3286258 net: move device buffer define to common header
Signed-off-by: chao an <anchao@xiaomi.com>
2022-10-28 00:32:16 -04:00
anjiahao
5724c6b2e4 sem:remove sem default protocl
Signed-off-by: anjiahao <anjiahao@xiaomi.com>
2022-10-22 14:50:48 +08:00
anjiahao
d1d46335df Replace nxsem API when used as a lock with nxmutex API
Signed-off-by: anjiahao <anjiahao@xiaomi.com>
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
2022-10-17 15:59:46 +09:00
chao.an
9cb17841d8 net/sockopt: move BINDTODEVICE to socket level
rename the UDP_BINDTODEVICE to SO_BINDTODEVICE to follow the linux
style to be compatible with non-UDP protocol binding requirements

Signed-off-by: chao.an <anchao@xiaomi.com>
2022-08-25 17:56:52 +08:00
Xiang Xiao
ba9486de4a iob: Remove iob_user_e enum and related code
since it is impossible to track producer and consumer
correctly if TCP/IP stack pass IOB directly to netdev

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
2022-08-15 08:41:20 +03:00
chao.an
c2ba11d971 net/udp: clear the connection structure after free
Signed-off-by: chao.an <anchao@xiaomi.com>
2022-03-16 13:46:02 +08:00
Xiang Xiao
7598070508 net: Remove the unnecessary initialization code
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
2022-03-12 19:24:17 +02:00
chao.an
2026450333 net/udp: replace the common connect prologue
Signed-off-by: chao.an <anchao@xiaomi.com>
2022-02-10 15:04:33 -03:00
Petro Karashchenko
08043fb5bc net: unify FAR keyword usage for all net buffer memory mapped buffers
Signed-off-by: Petro Karashchenko <petro.karashchenko@gmail.com>
2022-01-20 01:42:56 +08:00
Petro Karashchenko
9551de7115 net: use HTONS, NTOHS, HTONL, NTOHL macro in kernel code
Signed-off-by: Petro Karashchenko <petro.karashchenko@gmail.com>
2022-01-18 10:59:47 +01:00
chao.an
f345f3dc2e net/devif_callback: add support for CONFIG_NET_ALLOC_CONNS
Signed-off-by: chao.an <anchao@xiaomi.com>
2022-01-02 01:25:14 +08:00
chao.an
26370cd2f7 net/udp: add support for CONFIG_NET_ALLOC_CONNS
Signed-off-by: chao.an <anchao@xiaomi.com>
2022-01-01 20:40:02 +08:00
Juha Niskanen
422ceec99b Fix typos in comments and Kconfig files
Signed-off-by: Juha Niskanen <juha.niskanen@haltian.com>
2021-12-21 03:26:16 -06:00
chao.an
b10dcf7c0d net/udp: fix the invaild udp destination address
If the udp socket not connected, it is possible to have
multi-different destination address in each iob entry,
update the remote address every time to avoid sent to the
incorrect destination.

Signed-off-by: chao.an <anchao@xiaomi.com>
2021-12-17 11:25:06 -06:00
chao.an
7d4502aca6 net/socket: add SO_SNDBUF support
Signed-off-by: chao.an <anchao@xiaomi.com>
2021-07-20 20:24:58 -07:00
Huang Qi
e5c278981a net: Rename IP_TTL to IP_TTL_DEFAULT
Since a SOL option IP_TTL exist, we should rename this IP_TTL
in netconfig.h to avoid confusion.

Signed-off-by: Huang Qi <huangqi3@xiaomi.com>
Change-Id: Ib04c36553f23bce8d362e97294a8b83eaa050cf3
2021-07-12 16:30:37 -03:00
chao.an
b901f22c27 net/socket: add SO_RCVBUF support
Signed-off-by: chao.an <anchao@xiaomi.com>
2021-07-06 01:44:55 -05:00
chao.an
87af256ad6 net/udp: fix nxstyle warning
Signed-off-by: chao.an <anchao@xiaomi.com>
2020-05-15 07:27:01 -06:00
chao.an
7a62a59dec net/conn: generate port base dynamically
In some extreme scenarios(eg. crash, reboot, reset, etc...),
an established connection cannot guarantee that the port can be
closed properly, if we try to reconnect quickly after reset, the
connection will fail since the current port is same as the
previous one, the previous port connection has been hold on server side.

dynamically apply for the port base to avoid duplication.

Change-Id: I0089244b2707ea61f553a4dae09c7af3649c70bd
Signed-off-by: chao.an <anchao@xiaomi.com>
2020-05-15 07:27:01 -06:00
Xiang Xiao
346336bb9e Make the read ahead buffer unselectable
Here is the email loop talk about why it is better to remove the option:
https://groups.google.com/forum/#!topic/nuttx/AaNkS7oU6R0

Change-Id: Ib66c037752149ad4b2787ef447f966c77aa12aad
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
2020-01-11 08:24:49 -06:00
Xiang Xiao
6a3c2aded6 Fix wait loop and void cast (#24)
* Simplify EINTR/ECANCEL error handling

1. Add semaphore uninterruptible wait function
2 .Replace semaphore wait loop with a single uninterruptible wait
3. Replace all sem_xxx to nxsem_xxx

* Unify the void cast usage

1. Remove void cast for function because many place ignore the returned value witout cast
2. Replace void cast for variable with UNUSED macro
2020-01-02 10:54:43 -06:00
Anthony Merlino
70404ed0dc Merged in antmerlino/nuttx/iobinstrumentation (pull request #1001)
Iobinstrumentation

* mm/iob: Introduces producer/consumer id to every iob call. This is so that the calls can be instrumented to monitor the IOB resources.

* iob instrumentation - Merges producer/consumer enumeration for simpler IOB user.

* fs/procfs: Starts adding support for /proc/iobinfo

* fs/procfs: Finishes first pass of simple IOB user stastics and /proc/iobinfo entry

Approved-by: Gregory Nutt <gnutt@nuttx.org>
2019-08-16 22:42:25 +00:00
Gregory Nutt
f6b00e1966 tools/nxstyle.c: Fix logic error that prevent detecion of '/' and '/=' as operators. net/: Minor updates resulting from testing tools/nxstyle. 2019-03-11 12:48:39 -06:00
Xiang Xiao
e1202d2ed3 Replace all ASSERT with DEBUGASSERT to save the code space 2018-08-24 06:58:30 -06:00
Sebastien Lorquet
65be13bffe net/udp: Finish support for the UDP_BINDTODEVICE protocol socket option 2018-06-25 15:07:53 -06:00
Gregory Nutt
a0e169ad7b net/: Fix a sixlowpan typo bug recently introduced; Rename g_ipv6_allzeroaddre with the more meaning g_ipv6_unspecaddr since the all-zero address is the IPv6 unspecified address (sometime IN6_ADDR_ANY). Remove more inline tests for IPv6 multicast with tcommint net_is_addr_mcast() macro. Update some comments. 2018-06-23 12:53:27 -06:00
Gregory Nutt
4e8e726ca3 net/udp: Trivial correct in comments due to copy-paste. 2018-05-14 06:36:59 -06:00