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| author | Adam Ierymenko <adam.ierymenko@gmail.com> | 2015-12-09 15:02:42 -0800 |
|---|---|---|
| committer | Adam Ierymenko <adam.ierymenko@gmail.com> | 2015-12-09 15:02:42 -0800 |
| commit | e506fda3e4d60063541abb46973a0cea0bc8e8b0 (patch) | |
| tree | a24cf1e35d11c2e59fa21b42e53b6a79f9250287 /osdep/Phy.hpp | |
| parent | 42da36ba81423340460ddcd62517bf6b35a46fa3 (diff) | |
| download | infinitytier-e506fda3e4d60063541abb46973a0cea0bc8e8b0.tar.gz infinitytier-e506fda3e4d60063541abb46973a0cea0bc8e8b0.zip | |
Only set SO_NO_CHECK on IPv4 UDP sockets for now due to broken V6 stacks that drop zero checksum UDP packets.
Diffstat (limited to 'osdep/Phy.hpp')
| -rw-r--r-- | osdep/Phy.hpp | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/osdep/Phy.hpp b/osdep/Phy.hpp index 84d154a3..2dcda982 100644 --- a/osdep/Phy.hpp +++ b/osdep/Phy.hpp @@ -244,14 +244,12 @@ public: */ static inline ZT_PHY_SOCKFD_TYPE getDescriptor(PhySocket *s) throw() { return reinterpret_cast<PhySocketImpl *>(s)->sock; } - /** * @param s Socket object * @return Pointer to user object */ static inline void** getuptr(PhySocket *s) throw() { return &(reinterpret_cast<PhySocketImpl *>(s)->uptr); } - /** * Cause poll() to stop waiting immediately * @@ -384,7 +382,10 @@ public: f = 0; setsockopt(s,IPPROTO_IP,IP_MTU_DISCOVER,&f,sizeof(f)); #endif #ifdef SO_NO_CHECK - if (_noCheck) { + // For now at least we only set SO_NO_CHECK on IPv4 sockets since some + // IPv6 stacks incorrectly discard zero checksum packets. May remove + // this restriction later once broken stuff dies more. + if ((localAddress->sa_family == AF_INET)&&(_noCheck)) { f = 1; setsockopt(s,SOL_SOCKET,SO_NO_CHECK,(void *)&f,sizeof(f)); } #endif |