diff options
author | Konstantin Ananyev <konstantin.ananyev@intel.com> | 2017-03-27 18:56:04 +0100 |
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committer | Konstantin Ananyev <konstantin.ananyev@intel.com> | 2017-03-27 18:57:26 +0100 |
commit | 9af556f2060d9d3c4dee3298321e57fb6fe72ffd (patch) | |
tree | c5f99b977c0aad4383f891cc173a112dc3df8177 /lib/libtle_l4p/tcp_ctl.h | |
parent | c4c44906536c07fd3d684175db6a5dae05682947 (diff) |
tcp: fix RCV.WND set incorreclty when peer doesn't support WSCALE option
Change-Id: I911fdeeb25bc1112cd38eaa96c34f47a7bf49060
Signed-off-by: Konstantin Ananyev <konstantin.ananyev@intel.com>
Diffstat (limited to 'lib/libtle_l4p/tcp_ctl.h')
-rw-r--r-- | lib/libtle_l4p/tcp_ctl.h | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/lib/libtle_l4p/tcp_ctl.h b/lib/libtle_l4p/tcp_ctl.h index 95c2bbc..8e15b2b 100644 --- a/lib/libtle_l4p/tcp_ctl.h +++ b/lib/libtle_l4p/tcp_ctl.h @@ -45,7 +45,14 @@ tcp_stream_up(struct tle_tcp_stream *s) static inline uint32_t calc_rx_wnd(const struct tle_tcp_stream *s, uint32_t scale) { - return s->rx.q->prod.mask << scale; + uint32_t wnd; + + /* peer doesn't support WSCALE option, wnd size is limited to 64K */ + if (scale == TCP_WSCALE_NONE) { + wnd = s->rx.q->prod.mask << TCP_WSCALE_DEFAULT; + return RTE_MIN(wnd, (uint32_t)UINT16_MAX); + } else + return s->rx.q->prod.mask << scale; } /* empty stream's receive queue */ |