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3025 Commits

Author SHA1 Message Date
liqinhui bf78bf1db4 net/tcp: reset the dupack counter. 
After setting the retransmission flag, we need to set the dupack counter to 0.

Signed-off-by: liqinhui <liqinhui@xiaomi.com>
 2024-08-21 02:12:55 +08:00
wangchen ff7eda46e7 net_chksum.c:mod process of generating sum to solve checksum error 
Signed-off-by: wangchen <wangchen41@xiaomi.com>
 2024-08-21 01:38:23 +08:00
wangchen 27c2940df2 netdev/ioctl: Setting log level to warning on SIOCGIFHWADDR failure 
When our apps call getifaddrs on lo frequently, the loopback device will failed in SIOCGIFHWADDR and print too many error logs.

Signed-off-by: wangchen <wangchen41@xiaomi.com>
 2024-08-21 01:37:06 +08:00
liqinhui 590c7fe129 icmpv6: Allow IPv6 address obtained by both 
stateless and stateful to coexist.

Signed-off-by: liqinhui <liqinhui@xiaomi.com>
 2024-08-21 01:33:28 +08:00
liqinhui c00ff58baa icmpv6: Set the default gateway for the stateful dhcpv6. 
Signed-off-by: liqinhui <liqinhui@xiaomi.com>
 2024-08-21 01:33:28 +08:00
wangchen 34fa02a652 icmp:add net_lock to protect icmp connection 
Signed-off-by: wangchen <wangchen41@xiaomi.com>
 2024-08-20 11:21:08 -03:00
zhanghongyu 3c4897310b tcp_input: if tcp->req > recvreq, send ack only when state is TCP_ESTABLISHED 
The Bluetooth network on N62 does not retransmit packet, so no packet
retransmition if we drop one, we will drop packet when tcp_close_eventhandler
is register and invoke by tcp_input. then we will always early return and
never stop, the peer will only close the connection if we send reset packet.

precondition:
close -> register tcp_close_eventhandler;

tcp_input -> tcp_callback(TCP_NEWDATA) -> devif_conn_event -> tcp_close_eventhandler
-> flags &= ~TCP_NEWDATA -> NOT entry tcp_data_event -> conn->recvreq NOT increase

old flow:
tcp_input -> tcp->seqno greater than conn->rcvseq -> tcp_send(TCP_ACK)

with this patch:
tcp_input -> tcp->seqno greater than conn->rcvseq -> !TCP_ESTABLISHED
-> case TCP_FIN_WAIT_1 -> dev->d_len greater than 0 -> tcp_reset

Signed-off-by: zhanghongyu <zhanghongyu@xiaomi.com>
 2024-08-20 08:31:55 +02:00
wangchen 5fedb1e6de tcp_timer.c:solve Problem of parameter calculation exceeding the boundary 
Signed-off-by: wangchen <wangchen41@xiaomi.com>
 2024-08-20 13:51:39 +08:00
nuttxs e6962942cb net/pkt: fix raw socket send data length is insufficient. 2024-08-20 13:41:49 +08:00
zhanghongyu ce0599f46c net/icmpv6/icmpv6_input.c: fix undefined build error 
When CONFIG_NETDB_RESOLVCONF is enabled, CONFIG_NETDB_DNSSERVER_NAMESERVERS
will undefined, could cause net/icmpv6/icmpv6_input.c build error.
just add one nameserver to avoid overwrite ipv4 nameserver.

Signed-off-by: zhanghongyu <zhanghongyu@xiaomi.com>
 2024-08-19 19:50:44 +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
Shoukui Zhang 3f3ad34f42 Fix greater-than-or-equal-to-zero issue 
unsigned_compare: This greater-than-or-equal-to-zero comparison without a signed value is always true. conn->lc_crefs >= 0

Signed-off-by: Shoukui Zhang <zhangshoukui@xiaomi.com>
 2024-08-08 17:19:42 +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
zhanghongyu d0aa42c2ca net/devif: devif_send supports negative offset 
To enable the pkt_sendmsg interface to send packets containing L2 headers

Signed-off-by: zhanghongyu <zhanghongyu@xiaomi.com>
 2024-07-14 13:20:14 -03:00
zhanghongyu 5e1c25b23c net/netfilter: fix windows compile error 
Resolve compilation errors encountered during compilation in windows
platform.

Signed-off-by: zhanghongyu <zhanghongyu@xiaomi.com>
 2024-07-14 20:33:18 +08:00
Alan Carvalho de Assis 82946d0d5f net: Enable ICMP by default if IPv4 is enabled 
Signed-off-by: Alan C. Assis <acassis@gmail.com>
 2024-07-09 17:08:27 +08:00
Kian Karas 46a8c665d7 net/tcp: fix missing error code propagation 
If devif_send() failed its returned error code was not propagated
to user space. Instead, a send length of zero was returned (in
violation of POSIX).
 2024-06-22 19:26:14 -03:00
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
Zhe Weng 2c303f213f net/netfilter: Add filter table in ip6tables 
Signed-off-by: Zhe Weng <wengzhe@xiaomi.com>
 2024-06-20 09:43:05 +08:00
Zhe Weng c72edb0637 net: Add set/getsockopt options compatible with ip6tables 
Signed-off-by: Zhe Weng <wengzhe@xiaomi.com>
 2024-06-20 09:43:05 +08:00
Zhe Weng 9637c10696 net/netfilter: Add filter table in iptables. 
Signed-off-by: Zhe Weng <wengzhe@xiaomi.com>
 2024-06-20 09:43:05 +08:00
Zhe Weng f7181676b7 net: Support IP packet filter 
Add a firewall compatible with Linux's iptables and ip6tables, with chains at similar points in the packet processing path.

NIC ─> ipv[46]_input ┬> ipv[46]_forward ─> [FORWARD] ┬> devif_poll_out ─> NIC
                     │                               │
                     │          ┌>  tcp  ┐           │
                     │          ├>  udp  ┤           │
                     └> [INPUT] ┼> icmp  ┼> [OUTPUT] ┘
                                ├> icmp6 ┤
                                └>  ...  ┘

Signed-off-by: Zhe Weng <wengzhe@xiaomi.com>
 2024-06-20 09:43:05 +08:00
gaohedong dc651e090e net/can: Add SO_RCVBUF option for can socket 
If the CAN stack receiving packets fast, but the application layer reading packets slow. Then `conn->readahead` will continue to grow, leading to memory leaks. Finally CAN stack potentially starve out all IOB buffers. To prevent memory leaks, users can restrict can socket buffer length.

Signed-off-by: gaohedong <gaohedong@xiaomi.com>
 2024-06-14 19:54:07 +08:00
zhushiqi d029e88472 nuttx/net: fixed bind can not return error when used same addr. 
Signed-off-by: zhushiqi <hiccupzhu@gmail.com>
 2024-06-13 22:00:41 +08:00
meijian f4d9005bea netlink: fix IPV6 macro bug 
Signed-off-by: meijian <meijian@xiaomi.com>
 2024-06-06 09:27:50 +02:00
Tiago Medicci Serrano 96f83bb03a net: Enable `CONFIG_NET_ARP_SEND` by default 
Enable logic to send ARP requests if the target IP address mapping
does not appear in the ARP table.

Please check the comment in https://github.com/apache/nuttx/issues/12446#issuecomment-2145856778
 2024-06-06 02:40:16 +08:00
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
liqinhui 05b101134a net:Support jumbo frame prealloc the iob for the ICMP/UDP/TCP. 
For the ICMP, UDP and TCP, pre-alloc an iob for a jumbo frame.

Signed-off-by: liqinhui <liqinhui@xiaomi.com>
 2024-06-02 09:31:37 -03:00
raiden00pl c09f7f7864 cmake: add missing arp_acd.c file 2024-06-02 09:27:36 -03:00
raiden00pl b01e8b1b6e net/ipfrag/Kconfig: NET_IPFRAG depends on IOB_NCHAINS > 0 2024-06-02 09:27:36 -03:00
meijian 0bad215cf8 net/tcp: fix tcp will not close when tcp retransmission reaches TCP_MAXRTX 
In "psock_send_eventhandler",when retransmit count bigger TCP_MAXRTX nuttx will set release wrb. But before this it will also set "conn->tx_unacked = 0" if we only retransmit one packet(conn->tx_unacked == sent),and In func "tcp_timer" only "conn->tx_unacked > 0" will close the tcp conn. So app will never close if nuttx retransmit over max timers.

Signed-off-by: meijian <meijian@xiaomi.com>
 2024-05-22 17:46:04 -03:00
yinshengkai 20ebe0e64c Replace all asserts in kernel code with ASSERT 
Signed-off-by: yinshengkai <yinshengkai@xiaomi.com>
 2024-05-17 10:18:16 -03:00
meijian d199249769 [net][udp] fix udp wrb-iob leak when NIC was down 
Signed-off-by: meijian <meijian@xiaomi.com>
 2024-05-15 11:12:36 +08:00
meijian 11dfc5809a [ipv6][netlink] add netlink report when get ipv6 address by icmpv6 
Signed-off-by: meijian <meijian@xiaomi.com>
 2024-05-14 16:00:45 -03:00
meijian 35f8c19112 [net][route] fix Mico definition bug 
Signed-off-by: meijian <meijian@xiaomi.com>
 2024-05-14 22:05:35 +08:00
meijian 4702a09538 net/netlink: Add RTM preifx notify support 
Signed-off-by: meijian <meijian@xiaomi.com>
 2024-05-14 10:05:37 -03:00
meijian 8eaefd2424 net/netlink: Add RTM neigh notify support 
Signed-off-by: meijian <meijian@xiaomi.com>
 2024-05-14 10:05:37 -03:00
meijian 34aeeb024c net/netlink: Add RTM route support 
Signed-off-by: meijian <meijian@xiaomi.com>
 2024-05-14 10:05:37 -03:00
meijian 98d5e118c0 [icmpv6] fix resource leak of icmpv6 
Signed-off-by: meijian <meijian@xiaomi.com>
 2024-05-14 16:25:56 +08:00
simbit18 09bfaa7292 fix nxstyle 
fix Relative file path does not match actual file.
 2024-05-11 01:19:06 +08:00
zhanghongyu 45568229ef tcp: decouple TCP_NODELAY and NET_TCP_KEEPALIVE 
TCP_NODELAY is an independent configuration and does not depend on TCP_KEEPALIVE

Signed-off-by: zhanghongyu <zhanghongyu@xiaomi.com>
 2024-04-29 17:45:14 +08:00
zhanghongyu 0cd893fb5a icmpv6_neighbor: Simply skip IPv6 conflict detection on L3 Nic 
Otherwise, the IP address is always considered to conflict, and the ipv6
address cannot be effectively obtained.
Later we will look at how to perform conflict detection on L3 network cards

Signed-off-by: zhanghongyu <zhanghongyu@xiaomi.com>
 2024-04-29 17:44:40 +08:00
zhanghongyu f739fd010d icmpv6_neighbor: skip neighbor solicitation on L3 Nic 
Otherwise, sending will fail because the neighbor table cannot be found

Signed-off-by: zhanghongyu <zhanghongyu@xiaomi.com>
 2024-04-29 17:44:40 +08:00
Zhe Weng 41ab3a9cfe net/udp_input: Only dup packets for broadcast / multicast. 
We found previous multicast support (https://github.com/apache/nuttx/pull/12015) harms some unicast situation, and the `udp_input` should not dup packets for unicast.
Now, we only pass broadcast / multicast packets into each listener and let the code under control of `CONFIG_NET_BROADCAST`.

Ref: https://github.com/torvalds/linux/blob/v6.8/net/ipv4/udp.c#L2219

Signed-off-by: Zhe Weng <wengzhe@xiaomi.com>
 2024-04-24 08:24:47 +02:00
Zhe Weng 3a844d8dd7 net/netlink: Add NETLINK_NETFILTER's CONNTRACK support 
Now we only supports conntrack info from NAT entries, to let our apps in user space know the mapping status in NAT.

Signed-off-by: Zhe Weng <wengzhe@xiaomi.com>
 2024-04-18 13:03:59 +08:00
Zhe Weng 9b77bb16c9 net/netlink: Move netlink_add_terminator as public 
Prepare for other netlink dumps.

Signed-off-by: Zhe Weng <wengzhe@xiaomi.com>
 2024-04-18 13:03:59 +08:00
Zhe Weng b0cf0acc66 net/nat: Add foreach interface for entries 
Prepare for netlink conntrack dump of entries.

Signed-off-by: Zhe Weng <wengzhe@xiaomi.com>
 2024-04-18 13:03:59 +08:00
Zhe Weng 932c41debb net/nat: Remove unnecessary logic in inbound logic 
Finish https://github.com/apache/nuttx/pull/12116#discussion_r1560880897

Signed-off-by: Zhe Weng <wengzhe@xiaomi.com>
 2024-04-12 14:39:01 +02:00
Zhe Weng 17584eaa4f net/nat: Rename `struct ipv*_nat_entry` to `ipv*_nat_entry_t` 
I found `struct ipv*_nat_entry` is missing `_s` suffix, but the name is too long in some cases, so maybe `ipv*_nat_entry_t` could be better.

Signed-off-by: Zhe Weng <wengzhe@xiaomi.com>
 2024-04-12 14:39:01 +02:00
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