net: mana: Add counter for packet dropped by XDP

[linux-2.6-microblaze.git] / drivers / net / ethernet / microsoft / mana / mana_en.c

diff --git a/drivers/net/ethernet/microsoft/mana/mana_en.c b/drivers/net/ethernet/microsoft/mana/mana_en.c
index 498d0f9..878c3d9 100644 (file)
--- a/drivers/net/ethernet/microsoft/mana/mana_en.c
+++ b/drivers/net/ethernet/microsoft/mana/mana_en.c
@@ -136,7 +136,7 @@ int mana_start_xmit(struct sk_buff *skb, struct net_device *ndev)
        bool ipv4 = false, ipv6 = false;
        struct mana_tx_package pkg = {};
        struct netdev_queue *net_txq;
-       struct mana_stats *tx_stats;
+       struct mana_stats_tx *tx_stats;
        struct gdma_queue *gdma_sq;
        unsigned int csum_type;
        struct mana_txq *txq;
@@ -299,7 +299,8 @@ static void mana_get_stats64(struct net_device *ndev,
 {
        struct mana_port_context *apc = netdev_priv(ndev);
        unsigned int num_queues = apc->num_queues;
-       struct mana_stats *stats;
+       struct mana_stats_rx *rx_stats;
+       struct mana_stats_tx *tx_stats;
        unsigned int start;
        u64 packets, bytes;
        int q;
@@ -310,26 +311,26 @@ static void mana_get_stats64(struct net_device *ndev,
        netdev_stats_to_stats64(st, &ndev->stats);
 
        for (q = 0; q < num_queues; q++) {
-               stats = &apc->rxqs[q]->stats;
+               rx_stats = &apc->rxqs[q]->stats;
 
                do {
-                       start = u64_stats_fetch_begin_irq(&stats->syncp);
-                       packets = stats->packets;
-                       bytes = stats->bytes;
-               } while (u64_stats_fetch_retry_irq(&stats->syncp, start));
+                       start = u64_stats_fetch_begin_irq(&rx_stats->syncp);
+                       packets = rx_stats->packets;
+                       bytes = rx_stats->bytes;
+               } while (u64_stats_fetch_retry_irq(&rx_stats->syncp, start));
 
                st->rx_packets += packets;
                st->rx_bytes += bytes;
        }
 
        for (q = 0; q < num_queues; q++) {
-               stats = &apc->tx_qp[q].txq.stats;
+               tx_stats = &apc->tx_qp[q].txq.stats;
 
                do {
-                       start = u64_stats_fetch_begin_irq(&stats->syncp);
-                       packets = stats->packets;
-                       bytes = stats->bytes;
-               } while (u64_stats_fetch_retry_irq(&stats->syncp, start));
+                       start = u64_stats_fetch_begin_irq(&tx_stats->syncp);
+                       packets = tx_stats->packets;
+                       bytes = tx_stats->bytes;
+               } while (u64_stats_fetch_retry_irq(&tx_stats->syncp, start));
 
                st->tx_packets += packets;
                st->tx_bytes += bytes;
@@ -986,7 +987,7 @@ static struct sk_buff *mana_build_skb(void *buf_va, uint pkt_len,
 static void mana_rx_skb(void *buf_va, struct mana_rxcomp_oob *cqe,
                        struct mana_rxq *rxq)
 {
-       struct mana_stats *rx_stats = &rxq->stats;
+       struct mana_stats_rx *rx_stats = &rxq->stats;
        struct net_device *ndev = rxq->ndev;
        uint pkt_len = cqe->ppi[0].pkt_len;
        u16 rxq_idx = rxq->rxq_idx;
@@ -1007,7 +1008,7 @@ static void mana_rx_skb(void *buf_va, struct mana_rxcomp_oob *cqe,
        act = mana_run_xdp(ndev, rxq, &xdp, buf_va, pkt_len);
 
        if (act != XDP_PASS && act != XDP_TX)
-               goto drop;
+               goto drop_xdp;
 
        skb = mana_build_skb(buf_va, pkt_len, &xdp);
 
@@ -1048,9 +1049,15 @@ static void mana_rx_skb(void *buf_va, struct mana_rxcomp_oob *cqe,
        u64_stats_update_end(&rx_stats->syncp);
        return;
 
+drop_xdp:
+       u64_stats_update_begin(&rx_stats->syncp);
+       rx_stats->xdp_drop++;
+       u64_stats_update_end(&rx_stats->syncp);
+
 drop:
        free_page((unsigned long)buf_va);
        ++ndev->stats.rx_dropped;
+
        return;
 }