Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 0a1f222d authored by david decotigny's avatar david decotigny Committed by David S. Miller
Browse files

forcedeth: account for dropped RX frames 



This adds code to update the stats counter for dropped RX frames.

Signed-off-by: default avatarDavid Decotigny <david.decotigny@google.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent f5d827ae

drivers/net/ethernet/nvidia/forcedeth.c

+12 −2
Original line number Diff line number Diff line
@@ -815,6 +815,7 @@ struct fe_priv { 
	u64 stat_rx_packets;

	u64 stat_rx_bytes; /* not always available in HW */

	u64 stat_rx_missed_errors;

	u64 stat_rx_dropped;



	/* media detection workaround.

	 * Locking: Within irq hander or disable_irq+spin_lock(&np->lock);
@@ -1758,6 +1759,7 @@ nv_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *storage) 
		syncp_start = u64_stats_fetch_begin(&np->swstats_rx_syncp);

		storage->rx_packets       = np->stat_rx_packets;

		storage->rx_bytes         = np->stat_rx_bytes;

		storage->rx_dropped       = np->stat_rx_dropped;

		storage->rx_missed_errors = np->stat_rx_missed_errors;

	} while (u64_stats_fetch_retry(&np->swstats_rx_syncp, syncp_start));
@@ -1828,9 +1830,13 @@ 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 {

			u64_stats_update_begin(&np->swstats_rx_syncp);

			np->stat_rx_dropped++;

			u64_stats_update_end(&np->swstats_rx_syncp);

			return 1;

		}

	}

	return 0;

}
@@ -1860,9 +1866,13 @@ 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 {

			u64_stats_update_begin(&np->swstats_rx_syncp);

			np->stat_rx_dropped++;

			u64_stats_update_end(&np->swstats_rx_syncp);

			return 1;

		}

	}

	return 0;

}