Author: np
Date: Tue Feb 24 18:32:17 2015
New Revision: 279245
URL: https://svnweb.freebsd.org/changeset/base/279245
Log:
cxgbe(4): do not set the netmap rxq interrupts on a hair-trigger.
MFC after: 2 weeks
Modified:
head/sys/dev/cxgbe/t4_netmap.c
Modified: head/sys/dev/cxgbe/t4_netmap.c
==============================================================================
--- head/sys/dev/cxgbe/t4_netmap.c Tue Feb 24 18:22:24 2015
(r279244)
+++ head/sys/dev/cxgbe/t4_netmap.c Tue Feb 24 18:32:17 2015
(r279245)
@@ -310,7 +310,8 @@ alloc_nm_rxq_hwq(struct port_info *pi, s
if (is_t5(sc))
nm_rxq->fl_db_val |= F_DBTYPE;
- t4_write_reg(sc, MYPF_REG(A_SGE_PF_GTS), V_SEINTARM(F_QINTR_CNT_EN) |
+ t4_write_reg(sc, MYPF_REG(A_SGE_PF_GTS),
+ V_SEINTARM(V_QINTR_TIMER_IDX(1)) |
V_INGRESSQID(nm_rxq->iq_cntxt_id));
return (rc);
@@ -1139,6 +1140,7 @@ t4_nm_intr(void *arg)
netmap_rx_irq(ifp, nm_rxq->nid, &processed);
}
t4_write_reg(sc, MYPF_REG(A_SGE_PF_GTS), V_CIDXINC(n) |
- V_INGRESSQID((u32)nm_rxq->iq_cntxt_id) |
V_SEINTARM(F_QINTR_CNT_EN));
+ V_INGRESSQID((u32)nm_rxq->iq_cntxt_id) |
+ V_SEINTARM(V_QINTR_TIMER_IDX(1)));
}
#endif
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