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cxgbe(4): Fix a divide-by-zero that occurs when hw.cxgbe.toecaps_allowed

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is set to 0 with a kernel that has both TCP_OFFLOAD and RATELIMIT.

Approved by:	re@ (gjb@)
Sponsored by:	Chelsio Communications
This commit is contained in:
Navdeep Parhar 2018-10-13 00:13:24 +00:00
parent 98fca94d22
commit c3a88be466
1 changed files with 10 additions and 9 deletions
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19
sys/dev/cxgbe/t4_sge.c
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@ -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,