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187 commits

Author SHA1 Message Date
zhanghongyu
8d7ce77247 net/pkt: fix build error when NET_PKT_WRITE_BUFFERS disable 
fix build error.

Signed-off-by: zhanghongyu <zhanghongyu@xiaomi.com>
 2025-12-10 23:44:14 +08:00
zhanghongyu
e2525f61b1 net/pkt: add nonblock mode and send buffered support 
Supports more flexible configuration of sending methods

Signed-off-by: zhanghongyu <zhanghongyu@xiaomi.com>
 2025-12-10 23:44:14 +08:00
Zhe Weng
6fd74f817d net/pkt: Support filtering protocol in AF_PACKET 
Ref: https://man7.org/linux/man-pages/man7/packet.7.html

1. For `socket(AF_PACKET, int socket_type, int protocol)`: When `protocol` is set to `htons(ETH_P_ALL)`, then all protocols are received. If `protocol` is set to zero, no packets are received.
2. For `bind`: `bind` can optionally be called with a nonzero `sll_protocol` to start receiving packets for the protocols specified.

Signed-off-by: Zhe Weng <wengzhe@xiaomi.com>
 2025-12-10 23:44:14 +08:00
gaohedong
09e12a58d3 net/pkt: add poll function for pkt socket 
add poll function for pkt socket

Signed-off-by: gaohedong <gaohedong@xiaomi.com>
 2025-12-10 23:44:14 +08:00
gaohedong
9e0852c6a4 net/pkt: delete the read-back mechanism in pkt stack 
When app send a pkt-packet, then it will read back it and case some problem. Connection should not read back the message sent by itself.

Signed-off-by: gaohedong <gaohedong@xiaomi.com>
 2025-12-10 23:44:14 +08:00
gaohedong
81f42cb2cf net/ethernet: add timestamp for socket packet 
add timestamp for socket packet

Signed-off-by: gaohedong <gaohedong@xiaomi.com>
 2025-12-10 23:44:14 +08:00
zhanghongyu
e87082b195 net/utils/net_bufpool: add lock to struct net_bufpool_s and bufpool_navail 
Add a lock to net_bufpool to simplify the protocol stack code.

Signed-off-by: zhanghongyu <zhanghongyu@xiaomi.com>
 2025-12-07 11:11:21 +08:00
Zhe Weng
87a7714103 net: Split msg_iovlen check in recvmsg into each protocol 
To prepare for supporting multiple iov in each protocol.

Signed-off-by: Zhe Weng <wengzhe@xiaomi.com>
 2025-01-20 17:12:14 +08:00
Zhe Weng
50b3ab7671 net/bufpool: Call init automatically on alloc 
Note: Initialize function of protocols (tcp, udp, pkt, etc.) are kept empty.

Signed-off-by: Zhe Weng <wengzhe@xiaomi.com>
 2025-01-07 22:00:21 +08:00
Zhe Weng
1fe07d0838 net: Add buffer pool to replace connection allocation 
Our net socket connection allocations are powerful but redundant
because they're implemented once in each protocol.  This is not good for
further optimizing and extending to other allocations, so maybe we can
add a common implementation for the usage.

Impact:
1. We add a `struct net_bufpool_s` as pool descriptor, which may use a
   little bit more memory than previous implementation (~28Bytes).
2. We share same functions between pools, so code size may shrink under
   some scenarios.

Signed-off-by: Zhe Weng <wengzhe@xiaomi.com>
 2024-12-23 16:57:19 -03:00
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
nuttxs
e6962942cb net/pkt: fix raw socket send data length is insufficient. 2024-08-20 13:41:49 +08:00
zhanghongyu
87ebdb850c net/pkt: fix issue that set nonblock by fcntl does not take effect 
pkt_sockcaps returns SOCKCAP_NONBLOCKING to indicate that pkt supports
nonblock configuration.

Signed-off-by: zhanghongyu <zhanghongyu@xiaomi.com>
 2024-08-19 16:45:15 +08:00
zhanghongyu
3fa5466077 net/pkt: correct PF_PACKET family sending errors 
Enable the pkt_sendmsg interface to send packets containing Layer 2
headers.

Signed-off-by: zhanghongyu <zhanghongyu@xiaomi.com>
 2024-07-14 13:20:14 -03:00
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
5eb08a4b33 net: Fix minor coding problems 
Fix minor problems when reading codes:
- icmpv6_autoconfig: Call net_unlock before return
- pkt_sendmsg: Return error for types other than SOCK_RAW

Signed-off-by: Zhe Weng <wengzhe@xiaomi.com>
 2024-02-23 10:34:23 -03:00
Zhe Weng
9a23ebdbc0 net/pkt: Support binding to devices other than ETH 
We're using the `sll_ifindex` inside `struct sockaddr_ll` to bind
device, so we don't need to translate it into mac address, we can just
match the index, which also let us bind to different type of devices
other than Ethernet.

Ref: Linux also uses `ifindex` to find related device and note it down without mac addresses.
https://man7.org/linux/man-pages/man7/packet.7.html
https://github.com/torvalds/linux/blob/v6.7/net/packet/af_packet.c#L3328
https://github.com/torvalds/linux/blob/v6.7/net/packet/af_packet.c#L3264-L3265

Signed-off-by: Zhe Weng <wengzhe@xiaomi.com>
 2024-02-22 21:21:48 -08:00
chao an
7d1763a57c net/assert: remove all unnecessary check for psock/conn 
Since inet/socket layer already contains sanity checks, so remove unnecessary lower half checks

Signed-off-by: chao an <anchao@xiaomi.com>
 2023-08-30 20:36:49 +08:00
chao an
6ee9ec7656 build: add initial cmake build system 
1. Update all CMakeLists.txt to adapt to new layout
2. Fix cmake build break
3. Update all new file license
4. Fully compatible with current compilation environment(use configure.sh or cmake as you choose)

------------------

How to test

From within nuttx/. Configure:

cmake -B build -DBOARD_CONFIG=sim/nsh -GNinja
cmake -B build -DBOARD_CONFIG=sim:nsh -GNinja
cmake -B build -DBOARD_CONFIG=sabre-6quad/smp -GNinja
cmake -B build -DBOARD_CONFIG=lm3s6965-ek/qemu-flat -GNinja

(or full path in custom board) :
cmake -B build -DBOARD_CONFIG=$PWD/boards/sim/sim/sim/configs/nsh -GNinja

This uses ninja generator (install with sudo apt install ninja-build). To build:

$ cmake --build build

menuconfig:

$ cmake --build build -t menuconfig

--------------------------

2. cmake/build: reformat the cmake style by cmake-format

https://github.com/cheshirekow/cmake_format

$ pip install cmakelang

$ for i in `find -name CMakeLists.txt`;do cmake-format $i -o $i;done
$ for i in `find -name *\.cmake`;do cmake-format $i -o $i;done

Co-authored-by: Matias N <matias@protobits.dev>
Signed-off-by: chao an <anchao@xiaomi.com>
 2023-07-08 13:50:48 +08:00
Fotis Panagiotopoulos
3c54d82d81 net: Fix task block when devif_send fails. 
When a task needs to send data, a callback is allocated and the
transmission is happening in a worker task through devif_send.
Synchronization between the two tasks (sender & worker) is
achieved by a semaphore.

If devif_send fails, this semaphore was never posted, leaving
the sending task blocked indefinitely. This commit fixes this
by checking the return code of netif_send, and posting this
semaphore in case of failure.

Polling then stops, and execution is resumed on the sending
task.
 2023-06-01 17:05:54 +08:00
zhanghongyu
91e13c47ae net: remove conn-related casts 
remove redundant casts associated with psock

Signed-off-by: zhanghongyu <zhanghongyu@xiaomi.com>
 2023-05-10 19:32:09 -03:00
Zhe Weng
0e018308a3 net/pkt: Add readahead queue for pkt, call input for tx on sim 
Signed-off-by: Zhe Weng <wengzhe@xiaomi.com>
 2023-03-08 23:09:25 +02:00
Xiang Xiao
3c3dea5d7a net: Make si_poll callback optional 
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
 2023-03-06 20:58:27 +02:00
Xiang Xiao
c39be172da net: Make si_accept callback optional 
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
 2023-03-06 20:58:27 +02:00
Xiang Xiao
5dd037c599 net: Make si_connect callback optional 
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
 2023-03-06 20:58:27 +02:00
Xiang Xiao
a97e2523a4 net: Make si_listen callback optional 
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
 2023-03-06 20:58:27 +02:00
Xiang Xiao
2553b7701c net: Remove the empty si_getpeername implementation 
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
 2023-03-06 20:58:27 +02:00
Xiang Xiao
9b3715050b net: Make si_getsockname callback optional 
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
 2023-03-06 20:58:27 +02:00
Fotis Panagiotopoulos
5e625b9cdb Performance optimizations in connection allocations. 2023-02-28 14:23:16 +01:00
Xiang Xiao
2c5f653bfd Remove the tail spaces from all files except Documentation 
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
 2023-02-26 13:24:24 -08:00
Fotis Panagiotopoulos
74bb921a19 Improvements in packet connections allocation. 2023-02-20 09:06:46 +08:00
SPRESENSE
277e0b941a include/sys/socket.h: Add SOCK_CTRL to socket type 
SOCK_CTRL is added to provide special control over network drivers
and daemons. Currently, SOCK_DGRAM and SOCK_STREAM perform this control,
but these use socket resources. In the case of usersocket in particular,
this is a waste of the device's limited socket resources.
 2023-02-16 12:13:01 +09:00
Xiang Xiao
0ef073573a net: Remove protocol argument from si_setup callback 
since the implementor could get the same value from socket::s_proto

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
 2023-02-13 22:41:19 +08:00
Masayuki Ishikawa
3f3e090716 Revert "include/sys/socket.h: Add SOCK_CTRL to socket type" 
This reverts commit abba05a934.
 2023-02-09 09:13:14 +01:00
SPRESENSE
abba05a934 include/sys/socket.h: Add SOCK_CTRL to socket type 
SOCK_CTRL is added to provide special control over network drivers
and daemons. Currently, SOCK_DGRAM and SOCK_STREAM perform this control,
but these use socket resources. In the case of usersocket in particular,
this is a waste of the device's limited socket resources.
 2023-02-08 20:43:33 +08:00
Zhe Weng
1cf3147626 net/netdev: Avoid hardcoded guardsize when using d_iob 
Signed-off-by: Zhe Weng <wengzhe@xiaomi.com>
 2023-01-18 14:41:07 +08:00
Xiang Xiao
a851ad84c3 net: consistent the net sem wait naming conversion 
to prepare the new mutex wait function

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
 2023-01-15 12:31:30 -03:00
chao an
8a63d29c6e net/devif_poll: optimize device buffer alloc in txpoll 
Allocate the device buffer only if the protocol really need to send data.
not all protocols require the driver to prepare additional iob before
sending, especially UDP, each iob reserves l2/l3 header in advance
after prepare write buffer, net device could reuse this entry to send directly

Signed-off-by: chao an <anchao@xiaomi.com>
 2023-01-13 16:41:10 +08:00
chao an
0cbbbb9215 net/devif: reuse devif_send() for can/pkt/icmp stack 
Signed-off-by: chao an <anchao@xiaomi.com>
 2023-01-13 16:41:10 +08:00
chao an
11de08de27 net/devif_send: replace all block send to nonblock mode 
Signed-off-by: chao an <anchao@xiaomi.com>
 2022-12-08 09:53:15 +01:00
chao an
82d67b201a net/offload: add offload support for pkt/arp 
1. add offload support for pkt/arp
2. Reset the d_buf to NULL if d_iob has released

Signed-off-by: chao an <anchao@xiaomi.com>
 2022-12-04 01:34:30 +08:00
chao an
34d2cde8a8 net/l2/l3/l4: add support of iob offload 
1. Add new config CONFIG_NET_LL_GUARDSIZE to isolation of l2 stack,
   which will benefit l3(IP) layer for multi-MAC(l2) implementation,
   especially in some NICs such as celluler net driver.

new configuration options: CONFIG_NET_LL_GUARDSIZE

CONFIG_NET_LL_GUARDSIZE will reserved l2 buffer header size of
network buffer to isolate the L2/L3 (MAC/IP) data on network layer,
which will be beneficial to L3 network layer protocol transparent
transmission and forwarding

------------------------------------------------------------
Layout of frist iob entry:

        iob_data (aligned by CONFIG_IOB_ALIGNMENT)
            |
            |                  io_offset(CONFIG_NET_LL_GUARDSIZE)
            |                                |
            -------------------------------------------------
      iob   |            Reserved            |    io_len    |
            -------------------------------------------------

-------------------------------------------------------------
Layout of different NICs implementation:

        iob_data (aligned by CONFIG_IOB_ALIGNMENT)
            |
            |                 io_offset(CONFIG_NET_LL_GUARDSIZE)
            |                                |
            -------------------------------------------------
 Ethernet   |       Reserved    | ETH_HDRLEN |    io_len    |
            ---------------------------------|---------------
 8021Q      |   Reserved  | ETH_8021Q_HDRLEN |    io_len    |
            ---------------------------------|---------------
 ipforward  |            Reserved            |    io_len    |
            -------------------------------------------------

--------------------------------------------------------------------

2. Support iob offload to l2 driver to avoid unnecessary memory copy

Support send/receive iob vectors directly between the NICs and l3/l4
stack to avoid unnecessary memory copies, especially on hardware that
supports Scatter/gather, which can greatly improve performance.

new interface to support iob offload:

  ------------------------------------------
  |    IOB version     |     original      |
  |----------------------------------------|
  |  devif_iob_poll()  |   devif_poll()    |
  |       ...          |       ...         |
  ------------------------------------------

--------------------------------------------------------------------

1> NIC hardware support Scatter/gather transfer

TX:

                tcp_poll()/udp_poll()/pkt_poll()/...(l3|l4)
                           /              \
                          /                \
devif_poll_[l3|l4]_connections()     devif_iob_send() (nocopy:udp/icmp/...)
           /                                   \      (copy:tcp)
          /                                     \
  devif_iob_poll("NIC"_txpoll)                callback() // "NIC"_txpoll
                                                  |
                            dev->d_iob:           |
                                                ---------------         ---------------
                             io_data       iob1 |  |          |    iob3 |  |          |
                                    \           ---------------         ---------------
                                  ---------------  |       --------------- |
                             iob0 |  |          |  |  iob2 |  |          | |
                                  ---------------  |       --------------- |
                                     \             |          /           /
                                        \          |       /           /
                                   ----------------------------------------------
                    NICs io vector |    |    |    |    |    |    |    |    |    |
                                   ----------------------------------------------

RX:

  [tcp|udp|icmp|...]ipv[4|6]_data_handler()(iob_concat/append to readahead)
                    |
                    |
      [tcp|udp|icmp|...]_ipv[4|6]_in()/...
                    |
                    |
          pkt/ipv[4/6]_input()/...
                    |
                    |
     NICs io vector receive(iov_base to each iobs)

--------------------------------------------------------------------

2> CONFIG_IOB_BUFSIZE is greater than MTU:

TX:

"(CONFIG_IOB_BUFSIZE) > (MAX_NETDEV_PKTSIZE + CONFIG_NET_GUARDSIZE + CONFIG_NET_LL_GUARDSIZE)"

                tcp_poll()/udp_poll()/pkt_poll()/...(l3|l4)
                           /              \
                          /                \
devif_poll_[l3|l4]_connections()     devif_iob_send() (nocopy:udp/icmp/...)
           /                                   \      (copy:tcp)
          /                                     \
  devif_iob_poll("NIC"_txpoll)                callback() // "NIC"_txpoll
                                                  |
                                             "NIC"_send()
                          (dev->d_iob->io_data[CONFIG_NET_LL_GUARDSIZE - NET_LL_HDRLEN(dev)])

RX:

  [tcp|udp|icmp|...]ipv[4|6]_data_handler()(iob_concat/append to readahead)
                    |
                    |
      [tcp|udp|icmp|...]_ipv[4|6]_in()/...
                    |
                    |
          pkt/ipv[4/6]_input()/...
                    |
                    |
     NICs io vector receive(iov_base to io_data)

--------------------------------------------------------------------

3> Compatible with all old flat buffer NICs

TX:
                tcp_poll()/udp_poll()/pkt_poll()/...(l3|l4)
                           /              \
                          /                \
devif_poll_[l3|l4]_connections()     devif_iob_send() (nocopy:udp/icmp/...)
           /                                   \      (copy:tcp)
          /                                     \
  devif_iob_poll(devif_poll_callback())  devif_poll_callback() /* new interface, gather iobs to flat buffer */
       /                                           \
      /                                             \
 devif_poll("NIC"_txpoll)                     "NIC"_send()(dev->d_buf)

RX:

  [tcp|udp|icmp|...]ipv[4|6]_data_handler()(iob_concat/append to readahead)
                    |
                    |
      [tcp|udp|icmp|...]_ipv[4|6]_in()/...
                    |
                    |
               netdev_input()  /* new interface, Scatter/gather flat/iob buffer */
                    |
                    |
          pkt/ipv[4|6]_input()/...
                    |
                    |
    NICs io vector receive(Orignal flat buffer)

3. Iperf passthrough on NuttX simulator:

  -------------------------------------------------
  |  Protocol      | Server | Client |            |
  |-----------------------------------------------|
  |  TCP           |  813   |   834  |  Mbits/sec |
  |  TCP(Offload)  | 1720   |  1100  |  Mbits/sec |
  |  UDP           |   22   |   757  |  Mbits/sec |
  |  UDP(Offload)  |   25   |  1250  |  Mbits/sec |
  -------------------------------------------------

Signed-off-by: chao an <anchao@xiaomi.com>
 2022-12-03 11:47:04 +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
Xiang Xiao
40ef5bc6db libc: Move queue.h from include to include/nuttx 
to avoid the conflict with libuv's queue.h

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
 2022-09-26 08:04:58 +02:00
Xiang Xiao
8a265e274d Kconfig: Remove EXPERIMENTAL for features which is been around a long time 
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
 2022-09-19 11:39:22 -03:00
chao.an
162fcd10ca net: cleanup pvconn reference to avoid confuse 
More reference:
https://github.com/apache/incubator-nuttx/pull/5252
https://github.com/apache/incubator-nuttx/pull/5434

Signed-off-by: chao.an <anchao@xiaomi.com>
 2022-08-26 20:58:11 +08:00
Petro Karashchenko
b3cd9090d1 drivers/net: make sure that net driver d_buf is 16-bit aligned 
Signed-off-by: Petro Karashchenko <petro.karashchenko@gmail.com>
 2022-08-05 22:21:37 +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