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Fix 0 mss if we do not receive mss before #312

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Fix 0 mss if we do not receive mss before #312

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6 changes: 6 additions & 0 deletions mtcp/src/tcp_util.c
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Original file line number Diff line number Diff line change
Expand Up @@ -56,6 +56,12 @@ ParseTCPOptions(tcp_stream *cur_stream,
}
}
}
if (cur_stream->sndvar->eff_mss == 0) {
cur_stream->sndvar->eff_mss = cur_stream->sndvar->mss;
#if TCP_OPT_TIMESTAMP_ENABLED
cur_stream->sndvar->eff_mss -= (TCP_OPT_TIMESTAMP_LEN + 2);
#endif
}
}
/*---------------------------------------------------------------------------*/
inline int
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