cxgb4: Add support for adaptive rx
Based on original work by Kumar Sanghvi <kumaras@chelsio.com>
Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
index b9596a3..321f3d9 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
@@ -2753,8 +2753,31 @@
return 0;
}
+static int set_adaptive_rx_setting(struct net_device *dev, int adaptive_rx)
+{
+ int i;
+ struct port_info *pi = netdev_priv(dev);
+ struct adapter *adap = pi->adapter;
+ struct sge_eth_rxq *q = &adap->sge.ethrxq[pi->first_qset];
+
+ for (i = 0; i < pi->nqsets; i++, q++)
+ q->rspq.adaptive_rx = adaptive_rx;
+
+ return 0;
+}
+
+static int get_adaptive_rx_setting(struct net_device *dev)
+{
+ struct port_info *pi = netdev_priv(dev);
+ struct adapter *adap = pi->adapter;
+ struct sge_eth_rxq *q = &adap->sge.ethrxq[pi->first_qset];
+
+ return q->rspq.adaptive_rx;
+}
+
static int set_coalesce(struct net_device *dev, struct ethtool_coalesce *c)
{
+ set_adaptive_rx_setting(dev, c->use_adaptive_rx_coalesce);
return set_rx_intr_params(dev, c->rx_coalesce_usecs,
c->rx_max_coalesced_frames);
}
@@ -2768,6 +2791,7 @@
c->rx_coalesce_usecs = qtimer_val(adap, rq);
c->rx_max_coalesced_frames = (rq->intr_params & QINTR_CNT_EN) ?
adap->sge.counter_val[rq->pktcnt_idx] : 0;
+ c->use_adaptive_rx_coalesce = get_adaptive_rx_setting(dev);
return 0;
}