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Disable Don't Fragment on macOS

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Florian Märkl 2019-08-17 14:12:33 +02:00 • committed by Florian Märkl
commit b591105c3b
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1 changed files with 4 additions and 0 deletions
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4
lib/src/takion.c
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@ -241,6 +241,9 @@ CHIAKI_EXPORT ChiakiErrorCode chiaki_takion_connect(ChiakiTakion *takion, Chiaki
goto error_sock; goto error_sock;
} }
#if __APPLE__
CHIAKI_LOGW(takion->log, "Don't fragment is not supported on macOS, MTU values may be incorrect.");
#else
const int mtu_discover_val = IP_PMTUDISC_DO; const int mtu_discover_val = IP_PMTUDISC_DO;
r = setsockopt(takion->sock, IPPROTO_IP, IP_MTU_DISCOVER, &mtu_discover_val, sizeof(mtu_discover_val)); r = setsockopt(takion->sock, IPPROTO_IP, IP_MTU_DISCOVER, &mtu_discover_val, sizeof(mtu_discover_val));
if(r < 0) if(r < 0)
@ -249,6 +252,7 @@ CHIAKI_EXPORT ChiakiErrorCode chiaki_takion_connect(ChiakiTakion *takion, Chiaki
ret = CHIAKI_ERR_NETWORK; ret = CHIAKI_ERR_NETWORK;
goto error_sock; goto error_sock;
} }
#endif
r = connect(takion->sock, info->sa, info->sa_len); r = connect(takion->sock, info->sa, info->sa_len);
if(r < 0) if(r < 0)