@@ -818,6 +818,7 @@ struct fe_priv {
u32 nic_poll_irq;
int rx_ring_size;
struct nv_driver_stat stat_rx_missed_errors;
+ struct nv_driver_stat stat_rx_dropped;
/* media detection workaround.
* Locking: Within irq hander or disable_irq+spin_lock(&np->lock);
@@ -1727,6 +1728,7 @@ static void nv_update_stats(struct net_device *dev)
}
/* update software stats */
+ NV_DRIVER_STAT_UPDATE_TOTAL(&np->stat_rx_dropped);
NV_DRIVER_STAT_UPDATE_TOTAL(&np->stat_tx_dropped);
NV_DRIVER_STAT_UPDATE_TOTAL(&np->stat_rx_missed_errors);
}
@@ -1759,6 +1761,8 @@ nv_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *storage)
storage->tx_bytes = np->estats.tx_bytes;
storage->rx_errors = np->estats.rx_errors_total;
storage->tx_errors = np->estats.tx_errors_total;
+ storage->rx_dropped = NV_DRIVER_STAT_GET_TOTAL(
+ &np->stat_rx_dropped);
storage->tx_dropped = NV_DRIVER_STAT_GET_TOTAL(
&np->stat_tx_dropped);
storage->multicast = np->estats.rx_multicast;
@@ -1812,8 +1816,10 @@ static int nv_alloc_rx(struct net_device *dev)
np->put_rx.orig = np->first_rx.orig;
if (unlikely(np->put_rx_ctx++ == np->last_rx_ctx))
np->put_rx_ctx = np->first_rx_ctx;
- } else
+ } else {
+ NV_DRIVER_STAT_ATOMIC_INC(&np->stat_rx_dropped);
return 1;
+ }
}
return 0;
}
@@ -1844,8 +1850,10 @@ static int nv_alloc_rx_optimized(struct net_device *dev)
np->put_rx.ex = np->first_rx.ex;
if (unlikely(np->put_rx_ctx++ == np->last_rx_ctx))
np->put_rx_ctx = np->first_rx_ctx;
- } else
+ } else {
+ NV_DRIVER_STAT_ATOMIC_INC(&np->stat_rx_dropped);
return 1;
+ }
}
return 0;
}
This adds the stats counter for dropped RX frames. Signed-off-by: David Decotigny <david.decotigny@google.com> --- drivers/net/ethernet/nvidia/forcedeth.c | 12 ++++++++++-- 1 files changed, 10 insertions(+), 2 deletions(-)