Author: np
Date: Tue Mar 10 21:49:56 2020
New Revision: 358860
URL: https://svnweb.freebsd.org/changeset/base/358860
Log:
cxgbe/t4_tom: The MSS in a FLOWC work request must not be 0.
Submitted by: jhb@
MFC after: 1 week
Sponsored by: Chelsio Communications
Modified:
head/sys/dev/cxgbe/tom/t4_cpl_io.c
Modified: head/sys/dev/cxgbe/tom/t4_cpl_io.c
==============================================================================
--- head/sys/dev/cxgbe/tom/t4_cpl_io.c Tue Mar 10 21:44:20 2020
(r358859)
+++ head/sys/dev/cxgbe/tom/t4_cpl_io.c Tue Mar 10 21:49:56 2020
(r358860)
@@ -135,11 +135,12 @@ send_flowc_wr(struct toepcb *toep, struct tcpcb *tp)
FLOWC_PARAM(PORT, pi->tx_chan);
FLOWC_PARAM(IQID, toep->ofld_rxq->iq.abs_id);
FLOWC_PARAM(SNDBUF, toep->params.sndbuf);
- FLOWC_PARAM(MSS, toep->params.emss);
if (tp) {
+ FLOWC_PARAM(MSS, toep->params.emss);
FLOWC_PARAM(SNDNXT, tp->snd_nxt);
FLOWC_PARAM(RCVNXT, tp->rcv_nxt);
- }
+ } else
+ FLOWC_PARAM(MSS, 512);
CTR6(KTR_CXGBE,
"%s: tid %u, mss %u, sndbuf %u, snd_nxt 0x%x, rcv_nxt 0x%x",
__func__, toep->tid, toep->params.emss, toep->params.sndbuf,
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