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D43213.id131906.diff
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D43213.id131906.diff
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diff --git a/sys/netinet/tcp_output.c b/sys/netinet/tcp_output.c
--- a/sys/netinet/tcp_output.c
+++ b/sys/netinet/tcp_output.c
@@ -1663,6 +1663,8 @@
if (flags & TH_FIN)
tp->snd_nxt--;
}
+ if (IN_RECOVERY(tp->t_flags))
+ tp->sackhint.prr_out -= len;
}
SOCKBUF_UNLOCK_ASSERT(&so->so_snd); /* Check gotos. */
switch (error) {
@@ -1700,6 +1702,11 @@
return (0);
}
/* FALLTHROUGH */
+ case ENOTSUP:
+ if (tso && (flags & TH_CWR)) {
+ tso = 0;
+ goto send;
+ }
default:
return (error);
}
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D43213.id131906.diff (552 B)
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D43213: tcp: retry CWR transmission if TSO doesn't support ECN
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