Author: np
Date: Sat Oct 13 00:13:24 2018
New Revision: 339342
URL: https://svnweb.freebsd.org/changeset/base/339342
Log:
cxgbe(4): Fix a divide-by-zero that occurs when hw.cxgbe.toecaps_allowed
is set to 0 with a kernel that has both TCP_OFFLOAD and RATELIMIT.
Approved by: re@ (gjb@)
Sponsored by: Chelsio Communications
Modified:
head/sys/dev/cxgbe/t4_sge.c
Modified: head/sys/dev/cxgbe/t4_sge.c
==============================================================================
--- head/sys/dev/cxgbe/t4_sge.c Fri Oct 12 23:48:10 2018 (r339341)
+++ head/sys/dev/cxgbe/t4_sge.c Sat Oct 13 00:13:24 2018 (r339342)
@@ -1245,15 +1245,16 @@ t4_setup_vi_queues(struct vi_info *vi)
snprintf(name, sizeof(name), "%s ofld_txq%d",
device_get_nameunit(vi->dev), i);
-#ifdef TCP_OFFLOAD
- iqidx = vi->first_ofld_rxq + (i % vi->nofldrxq);
- init_eq(sc, &ofld_txq->eq, EQ_OFLD, vi->qsize_txq, pi->tx_chan,
- sc->sge.ofld_rxq[iqidx].iq.cntxt_id, name);
-#else
- iqidx = vi->first_rxq + (i % vi->nrxq);
- init_eq(sc, &ofld_txq->eq, EQ_OFLD, vi->qsize_txq, pi->tx_chan,
- sc->sge.rxq[iqidx].iq.cntxt_id, name);
-#endif
+ if (vi->nofldrxq > 0) {
+ iqidx = vi->first_ofld_rxq + (i % vi->nofldrxq);
+ init_eq(sc, &ofld_txq->eq, EQ_OFLD, vi->qsize_txq,
+ pi->tx_chan, sc->sge.ofld_rxq[iqidx].iq.cntxt_id,
+ name);
+ } else {
+ iqidx = vi->first_rxq + (i % vi->nrxq);
+ init_eq(sc, &ofld_txq->eq, EQ_OFLD, vi->qsize_txq,
+ pi->tx_chan, sc->sge.rxq[iqidx].iq.cntxt_id, name);
+ }
snprintf(name, sizeof(name), "%d", i);
oid2 = SYSCTL_ADD_NODE(&vi->ctx, SYSCTL_CHILDREN(oid), OID_AUTO,
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