diff options
Diffstat (limited to 'drivers/net/ethernet/cavium/liquidio/lio_vf_main.c')
-rw-r--r-- | drivers/net/ethernet/cavium/liquidio/lio_vf_main.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/net/ethernet/cavium/liquidio/lio_vf_main.c b/drivers/net/ethernet/cavium/liquidio/lio_vf_main.c index 78cfa8ba1b57..631f1c0f9e4d 100644 --- a/drivers/net/ethernet/cavium/liquidio/lio_vf_main.c +++ b/drivers/net/ethernet/cavium/liquidio/lio_vf_main.c @@ -1630,7 +1630,11 @@ static int liquidio_napi_poll(struct napi_struct *napi, int budget) __func__, iq_no); } - if ((work_done < budget) && (tx_done)) { + /* force enable interrupt if reg cnts are high to avoid wraparound */ + if ((work_done < budget && tx_done) || + (iq->pkt_in_done >= MAX_REG_CNT) || + (droq->pkt_count >= MAX_REG_CNT)) { + tx_done = 1; napi_complete_done(napi, work_done); octeon_process_droq_poll_cmd(droq->oct_dev, droq->q_no, POLL_EVENT_ENABLE_INTR, 0); |