forked from Minki/linux
net/mlx4_en: Low Latency recv statistics
Signed-off-by: Amir Vadai <amirv@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -222,7 +222,12 @@ static int mlx4_en_get_sset_count(struct net_device *dev, int sset)
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switch (sset) {
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case ETH_SS_STATS:
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return (priv->stats_bitmap ? bit_count : NUM_ALL_STATS) +
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(priv->tx_ring_num + priv->rx_ring_num) * 2;
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(priv->tx_ring_num * 2) +
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#ifdef CONFIG_NET_LL_RX_POLL
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(priv->rx_ring_num * 5);
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#else
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(priv->rx_ring_num * 2);
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#endif
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case ETH_SS_TEST:
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return MLX4_EN_NUM_SELF_TEST - !(priv->mdev->dev->caps.flags
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& MLX4_DEV_CAP_FLAG_UC_LOOPBACK) * 2;
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@ -271,6 +276,11 @@ static void mlx4_en_get_ethtool_stats(struct net_device *dev,
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for (i = 0; i < priv->rx_ring_num; i++) {
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data[index++] = priv->rx_ring[i].packets;
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data[index++] = priv->rx_ring[i].bytes;
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#ifdef CONFIG_NET_LL_RX_POLL
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data[index++] = priv->rx_ring[i].yields;
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data[index++] = priv->rx_ring[i].misses;
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data[index++] = priv->rx_ring[i].cleaned;
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#endif
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}
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spin_unlock_bh(&priv->stats_lock);
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@ -334,6 +344,14 @@ static void mlx4_en_get_strings(struct net_device *dev,
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"rx%d_packets", i);
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sprintf(data + (index++) * ETH_GSTRING_LEN,
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"rx%d_bytes", i);
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#ifdef CONFIG_NET_LL_RX_POLL
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sprintf(data + (index++) * ETH_GSTRING_LEN,
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"rx%d_napi_yield", i);
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sprintf(data + (index++) * ETH_GSTRING_LEN,
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"rx%d_misses", i);
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sprintf(data + (index++) * ETH_GSTRING_LEN,
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"rx%d_cleaned", i);
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#endif
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}
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break;
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}
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@ -85,6 +85,10 @@ static int mlx4_en_low_latency_recv(struct napi_struct *napi)
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return LL_FLUSH_BUSY;
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done = mlx4_en_process_rx_cq(dev, cq, 4);
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if (likely(done))
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rx_ring->cleaned += done;
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else
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rx_ring->misses++;
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mlx4_en_cq_unlock_poll(cq);
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@ -290,6 +290,11 @@ struct mlx4_en_rx_ring {
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void *rx_info;
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unsigned long bytes;
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unsigned long packets;
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#ifdef CONFIG_NET_LL_RX_POLL
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unsigned long yields;
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unsigned long misses;
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unsigned long cleaned;
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#endif
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unsigned long csum_ok;
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unsigned long csum_none;
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int hwtstamp_rx_filter;
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@ -625,6 +630,7 @@ static inline bool mlx4_en_cq_lock_poll(struct mlx4_en_cq *cq)
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cq->state |= MLX4_EN_CQ_STATE_POLL_YIELD;
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rc = false;
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rx_ring->yields++;
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} else
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/* preserve yield marks */
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cq->state |= MLX4_EN_CQ_STATE_POLL;
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