OrgApache/incubator-nuttx
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incubator-nuttx
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47,595 Commits 18 Branches 185 Tags 409 MiB
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6 Commits

Author SHA1 Message Date
Zhe Weng f416fd86bb net/ipfwd: Support ICMP error reply when forwarding IPv4 
Signed-off-by: Zhe Weng <wengzhe@xiaomi.com>
 2022-12-02 15:26:45 +08:00
Zhe Weng 9aefd6717c net/nat: Add support for ICMP Error Message 
Support DEST_UNREACHABLE, TIME_EXCEEDED and PARAMETER_PROBLEM ICMP types in NAT.

Signed-off-by: Zhe Weng <wengzhe@xiaomi.com>
 2022-12-01 22:45:22 +08:00
Zhe Weng f498102512 net: select NAT external port by tcp_selectport for TCP 
Signed-off-by: Zhe Weng <wengzhe@xiaomi.com>
 2022-11-11 14:36:55 +08:00
Zhe Weng 8239ddeef4 net/nat: Add TCP entry expiration logic 
Add TCP entry expiration logic for NAT, with entries changed from sq to dq for fast removal.

Signed-off-by: Zhe Weng <wengzhe@xiaomi.com>
 2022-11-11 14:36:55 +08:00
Zhe Weng 0a4e01d712 net: verify NAT port usage in tcp_selectport 
Signed-off-by: Zhe Weng <wengzhe@xiaomi.com>
 2022-11-11 14:36:55 +08:00
Zhe Weng b595430578 net: add basic NAT workflow 
Add basic functions for NAT (NAPT), remaining some logic unimplemented (UDP, ICMP, port assignment, etc). NAT for TCP can work now (unless port conflicts).
Outbound: LAN ->  Forward  ->  NAT(only if targeting at WAN)  -> WAN
Inbound:  WAN ->  NAT(only from WAN, change dest) -> Forward  -> LAN

Signed-off-by: Zhe Weng <wengzhe@xiaomi.com>
 2022-11-11 14:36:55 +08:00