diff options
Diffstat (limited to 'target/linux/mvebu/patches-5.10/003-net-mvneta-introduce-mvneta_update_stats-routine.patch')
| -rw-r--r-- | target/linux/mvebu/patches-5.10/003-net-mvneta-introduce-mvneta_update_stats-routine.patch | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/target/linux/mvebu/patches-5.10/003-net-mvneta-introduce-mvneta_update_stats-routine.patch b/target/linux/mvebu/patches-5.10/003-net-mvneta-introduce-mvneta_update_stats-routine.patch new file mode 100644 index 0000000000..f6ce6163cf --- /dev/null +++ b/target/linux/mvebu/patches-5.10/003-net-mvneta-introduce-mvneta_update_stats-routine.patch @@ -0,0 +1,95 @@ +From ff519e2acd463bff6c5bb4e8d7ed350c9bae885b Mon Sep 17 00:00:00 2001 +From: Lorenzo Bianconi <lorenzo@kernel.org> +Date: Sat, 19 Oct 2019 10:13:21 +0200 +Subject: [PATCH 1/7] net: mvneta: introduce mvneta_update_stats routine + +Introduce mvneta_update_stats routine to collect {rx/tx} statistics +(packets and bytes). This is a preliminary patch to add XDP support to +mvneta driver + +Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> +Signed-off-by: David S. Miller <davem@davemloft.net> +--- + drivers/net/ethernet/marvell/mvneta.c | 43 ++++++++++++++------------- + 1 file changed, 22 insertions(+), 21 deletions(-) + +--- a/drivers/net/ethernet/marvell/mvneta.c ++++ b/drivers/net/ethernet/marvell/mvneta.c +@@ -1913,6 +1913,23 @@ static void mvneta_rxq_drop_pkts(struct + } + } + ++static void ++mvneta_update_stats(struct mvneta_port *pp, u32 pkts, ++ u32 len, bool tx) ++{ ++ struct mvneta_pcpu_stats *stats = this_cpu_ptr(pp->stats); ++ ++ u64_stats_update_begin(&stats->syncp); ++ if (tx) { ++ stats->tx_packets += pkts; ++ stats->tx_bytes += len; ++ } else { ++ stats->rx_packets += pkts; ++ stats->rx_bytes += len; ++ } ++ u64_stats_update_end(&stats->syncp); ++} ++ + static inline + int mvneta_rx_refill_queue(struct mvneta_port *pp, struct mvneta_rx_queue *rxq) + { +@@ -2093,14 +2110,8 @@ static int mvneta_rx_swbm(struct napi_st + rxq->left_size = 0; + } + +- if (rcvd_pkts) { +- struct mvneta_pcpu_stats *stats = this_cpu_ptr(pp->stats); +- +- u64_stats_update_begin(&stats->syncp); +- stats->rx_packets += rcvd_pkts; +- stats->rx_bytes += rcvd_bytes; +- u64_stats_update_end(&stats->syncp); +- } ++ if (rcvd_pkts) ++ mvneta_update_stats(pp, rcvd_pkts, rcvd_bytes, false); + + /* return some buffers to hardware queue, one at a time is too slow */ + refill = mvneta_rx_refill_queue(pp, rxq); +@@ -2223,14 +2234,8 @@ err_drop_frame: + napi_gro_receive(napi, skb); + } + +- if (rcvd_pkts) { +- struct mvneta_pcpu_stats *stats = this_cpu_ptr(pp->stats); +- +- u64_stats_update_begin(&stats->syncp); +- stats->rx_packets += rcvd_pkts; +- stats->rx_bytes += rcvd_bytes; +- u64_stats_update_end(&stats->syncp); +- } ++ if (rcvd_pkts) ++ mvneta_update_stats(pp, rcvd_pkts, rcvd_bytes, false); + + /* Update rxq management counters */ + mvneta_rxq_desc_num_update(pp, rxq, rx_done, rx_done); +@@ -2476,7 +2481,6 @@ static netdev_tx_t mvneta_tx(struct sk_b + + out: + if (frags > 0) { +- struct mvneta_pcpu_stats *stats = this_cpu_ptr(pp->stats); + struct netdev_queue *nq = netdev_get_tx_queue(dev, txq_id); + + netdev_tx_sent_queue(nq, len); +@@ -2491,10 +2495,7 @@ out: + else + txq->pending += frags; + +- u64_stats_update_begin(&stats->syncp); +- stats->tx_packets++; +- stats->tx_bytes += len; +- u64_stats_update_end(&stats->syncp); ++ mvneta_update_stats(pp, 1, len, true); + } else { + dev->stats.tx_dropped++; + dev_kfree_skb_any(skb); |