From 7d51a01599d5285fc94fa4fcea10afabfa9ca5a4 Mon Sep 17 00:00:00 2001 From: Lorenzo Bianconi Date: Wed, 19 Feb 2020 10:57:37 +0100 Subject: [PATCH] net: mvneta: align xdp stats naming scheme to mlx5 driver Introduce "rx" prefix in the name scheme for xdp counters on rx path. Differentiate between XDP_TX and ndo_xdp_xmit counters Signed-off-by: Lorenzo Bianconi Acked-by: Jesper Dangaard Brouer Signed-off-by: David S. Miller --- drivers/net/ethernet/marvell/mvneta.c | 52 ++++++++++++++++++--------- 1 file changed, 36 insertions(+), 16 deletions(-) diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c index b7045b6a15c2..8e1feb678cea 100644 --- a/drivers/net/ethernet/marvell/mvneta.c +++ b/drivers/net/ethernet/marvell/mvneta.c @@ -344,6 +344,7 @@ enum { ETHTOOL_XDP_REDIRECT, ETHTOOL_XDP_PASS, ETHTOOL_XDP_DROP, + ETHTOOL_XDP_XMIT, ETHTOOL_XDP_TX, ETHTOOL_MAX_STATS, }; @@ -399,10 +400,11 @@ static const struct mvneta_statistic mvneta_statistics[] = { { ETHTOOL_STAT_EEE_WAKEUP, T_SW, "eee_wakeup_errors", }, { ETHTOOL_STAT_SKB_ALLOC_ERR, T_SW, "skb_alloc_errors", }, { ETHTOOL_STAT_REFILL_ERR, T_SW, "refill_errors", }, - { ETHTOOL_XDP_REDIRECT, T_SW, "xdp_redirect", }, - { ETHTOOL_XDP_PASS, T_SW, "xdp_pass", }, - { ETHTOOL_XDP_DROP, T_SW, "xdp_drop", }, - { ETHTOOL_XDP_TX, T_SW, "xdp_tx", }, + { ETHTOOL_XDP_REDIRECT, T_SW, "rx_xdp_redirect", }, + { ETHTOOL_XDP_PASS, T_SW, "rx_xdp_pass", }, + { ETHTOOL_XDP_DROP, T_SW, "rx_xdp_drop", }, + { ETHTOOL_XDP_TX, T_SW, "rx_xdp_tx", }, + { ETHTOOL_XDP_XMIT, T_SW, "tx_xdp_xmit", }, }; struct mvneta_stats { @@ -414,6 +416,7 @@ struct mvneta_stats { u64 xdp_redirect; u64 xdp_pass; u64 xdp_drop; + u64 xdp_xmit; u64 xdp_tx; }; @@ -2012,7 +2015,6 @@ static int mvneta_xdp_submit_frame(struct mvneta_port *pp, struct mvneta_tx_queue *txq, struct xdp_frame *xdpf, bool dma_map) { - struct mvneta_pcpu_stats *stats = this_cpu_ptr(pp->stats); struct mvneta_tx_desc *tx_desc; struct mvneta_tx_buf *buf; dma_addr_t dma_addr; @@ -2047,12 +2049,6 @@ mvneta_xdp_submit_frame(struct mvneta_port *pp, struct mvneta_tx_queue *txq, tx_desc->buf_phys_addr = dma_addr; tx_desc->data_size = xdpf->len; - u64_stats_update_begin(&stats->syncp); - stats->es.ps.tx_bytes += xdpf->len; - stats->es.ps.tx_packets++; - stats->es.ps.xdp_tx++; - u64_stats_update_end(&stats->syncp); - mvneta_txq_inc_put(txq); txq->pending++; txq->count++; @@ -2079,8 +2075,17 @@ mvneta_xdp_xmit_back(struct mvneta_port *pp, struct xdp_buff *xdp) __netif_tx_lock(nq, cpu); ret = mvneta_xdp_submit_frame(pp, txq, xdpf, false); - if (ret == MVNETA_XDP_TX) + if (ret == MVNETA_XDP_TX) { + struct mvneta_pcpu_stats *stats = this_cpu_ptr(pp->stats); + + u64_stats_update_begin(&stats->syncp); + stats->es.ps.tx_bytes += xdpf->len; + stats->es.ps.tx_packets++; + stats->es.ps.xdp_tx++; + u64_stats_update_end(&stats->syncp); + mvneta_txq_pend_desc_add(pp, txq, 0); + } __netif_tx_unlock(nq); return ret; @@ -2091,10 +2096,11 @@ mvneta_xdp_xmit(struct net_device *dev, int num_frame, struct xdp_frame **frames, u32 flags) { struct mvneta_port *pp = netdev_priv(dev); + struct mvneta_pcpu_stats *stats = this_cpu_ptr(pp->stats); + int i, nxmit_byte = 0, nxmit = num_frame; int cpu = smp_processor_id(); struct mvneta_tx_queue *txq; struct netdev_queue *nq; - int i, drops = 0; u32 ret; if (unlikely(flags & ~XDP_XMIT_FLAGS_MASK)) @@ -2106,9 +2112,11 @@ mvneta_xdp_xmit(struct net_device *dev, int num_frame, __netif_tx_lock(nq, cpu); for (i = 0; i < num_frame; i++) { ret = mvneta_xdp_submit_frame(pp, txq, frames[i], true); - if (ret != MVNETA_XDP_TX) { + if (ret == MVNETA_XDP_TX) { + nxmit_byte += frames[i]->len; + } else { xdp_return_frame_rx_napi(frames[i]); - drops++; + nxmit--; } } @@ -2116,7 +2124,13 @@ mvneta_xdp_xmit(struct net_device *dev, int num_frame, mvneta_txq_pend_desc_add(pp, txq, 0); __netif_tx_unlock(nq); - return num_frame - drops; + u64_stats_update_begin(&stats->syncp); + stats->es.ps.tx_bytes += nxmit_byte; + stats->es.ps.tx_packets += nxmit; + stats->es.ps.xdp_xmit += nxmit; + u64_stats_update_end(&stats->syncp); + + return nxmit; } static int @@ -4484,6 +4498,7 @@ mvneta_ethtool_update_pcpu_stats(struct mvneta_port *pp, u64 xdp_redirect; u64 xdp_pass; u64 xdp_drop; + u64 xdp_xmit; u64 xdp_tx; stats = per_cpu_ptr(pp->stats, cpu); @@ -4494,6 +4509,7 @@ mvneta_ethtool_update_pcpu_stats(struct mvneta_port *pp, xdp_redirect = stats->es.ps.xdp_redirect; xdp_pass = stats->es.ps.xdp_pass; xdp_drop = stats->es.ps.xdp_drop; + xdp_xmit = stats->es.ps.xdp_xmit; xdp_tx = stats->es.ps.xdp_tx; } while (u64_stats_fetch_retry_irq(&stats->syncp, start)); @@ -4502,6 +4518,7 @@ mvneta_ethtool_update_pcpu_stats(struct mvneta_port *pp, es->ps.xdp_redirect += xdp_redirect; es->ps.xdp_pass += xdp_pass; es->ps.xdp_drop += xdp_drop; + es->ps.xdp_xmit += xdp_xmit; es->ps.xdp_tx += xdp_tx; } } @@ -4555,6 +4572,9 @@ static void mvneta_ethtool_update_stats(struct mvneta_port *pp) case ETHTOOL_XDP_TX: pp->ethtool_stats[i] = stats.ps.xdp_tx; break; + case ETHTOOL_XDP_XMIT: + pp->ethtool_stats[i] = stats.ps.xdp_xmit; + break; } break; } -- GitLab