Author: np
Date: Fri Aug 23 22:41:16 2019
New Revision: 351446
URL: https://svnweb.freebsd.org/changeset/base/351446
Log:
cxgbe/t4_tom: Any invalid scaling factor in the hardware's wsf field
implies that window scaling is not in use.
MFC after: 3 days
Sponsored by: Chelsio Communications
Modified:
head/sys/dev/cxgbe/tom/t4_listen.c
Modified: head/sys/dev/cxgbe/tom/t4_listen.c
==============================================================================
--- head/sys/dev/cxgbe/tom/t4_listen.c Fri Aug 23 22:34:14 2019
(r351445)
+++ head/sys/dev/cxgbe/tom/t4_listen.c Fri Aug 23 22:41:16 2019
(r351446)
@@ -994,7 +994,7 @@ t4opt_to_tcpopt(const struct tcp_options *t4opt, struc
to->to_mss = be16toh(t4opt->mss);
}
- if (t4opt->wsf) {
+ if (t4opt->wsf > 0 && t4opt->wsf < 15) {
to->to_flags |= TOF_SCALE;
to->to_wscale = t4opt->wsf;
}
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