Since we're collecting some stats in the driver code, let's support use
of the ethtool driver stats facility in both sunvnet and ldmvsw.
Signed-off-by: Shannon Nelson <shannon.nel...@oracle.com>
---
drivers/net/ethernet/sun/ldmvsw.c | 63 +++++++++++++++++++++++++++++
drivers/net/ethernet/sun/sunvnet.c | 63 +++++++++++++++++++++++++++++
drivers/net/ethernet/sun/sunvnet_common.c | 2 +
3 files changed, 128 insertions(+), 0 deletions(-)
diff --git a/drivers/net/ethernet/sun/ldmvsw.c
b/drivers/net/ethernet/sun/ldmvsw.c
index 335b876..3999fb7 100644
--- a/drivers/net/ethernet/sun/ldmvsw.c
+++ b/drivers/net/ethernet/sun/ldmvsw.c
@@ -80,11 +80,74 @@ static void vsw_set_msglevel(struct net_device *dev, u32
value)
port->vp->msg_enable = value;
}
+static const struct {
+ const char string[ETH_GSTRING_LEN];
+} ethtool_stats_keys[] = {
+ { "rx_packets" },
+ { "tx_packets" },
+ { "rx_bytes" },
+ { "tx_bytes" },
+ { "rx_errors" },
+ { "tx_errors" },
+ { "rx_dropped" },
+ { "tx_dropped" },
+ { "multicast" },
+ { "rx_length_errors" },
+ { "rx_frame_errors" },
+ { "rx_missed_errors" },
+ { "tx_carrier_errors" },
+};
+
+static int vsw_get_sset_count(struct net_device *dev, int sset)
+{
+ switch (sset) {
+ case ETH_SS_STATS:
+ return ARRAY_SIZE(ethtool_stats_keys);
+ default:
+ return -EOPNOTSUPP;
+ }
+}
+
+static void vsw_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
+{
+ switch (stringset) {
+ case ETH_SS_STATS:
+ memcpy(buf, ðtool_stats_keys, sizeof(ethtool_stats_keys));
+ break;
+ default:
+ WARN_ON(1);
+ break;
+ }
+}
+
+static void vsw_get_ethtool_stats(struct net_device *dev,
+ struct ethtool_stats *estats, u64 *data)
+{
+ int i = 0;
+
+ data[i++] = dev->stats.rx_packets;
+ data[i++] = dev->stats.tx_packets;
+ data[i++] = dev->stats.rx_bytes;
+ data[i++] = dev->stats.tx_bytes;
+ data[i++] = dev->stats.rx_errors;
+ data[i++] = dev->stats.tx_errors;
+ data[i++] = dev->stats.rx_dropped;
+ data[i++] = dev->stats.tx_dropped;
+ data[i++] = dev->stats.multicast;
+ data[i++] = dev->stats.rx_length_errors;
+ data[i++] = dev->stats.rx_frame_errors;
+ data[i++] = dev->stats.rx_missed_errors;
+ data[i++] = dev->stats.tx_carrier_errors;
+}
+
static const struct ethtool_ops vsw_ethtool_ops = {
.get_drvinfo = vsw_get_drvinfo,
.get_msglevel = vsw_get_msglevel,
.set_msglevel = vsw_set_msglevel,
.get_link = ethtool_op_get_link,
+ .get_sset_count = vsw_get_sset_count,
+ .get_strings = vsw_get_strings,
+ .get_ethtool_stats = vsw_get_ethtool_stats,
};
static LIST_HEAD(vnet_list);
diff --git a/drivers/net/ethernet/sun/sunvnet.c
b/drivers/net/ethernet/sun/sunvnet.c
index 4cc2571..e225b27 100644
--- a/drivers/net/ethernet/sun/sunvnet.c
+++ b/drivers/net/ethernet/sun/sunvnet.c
@@ -77,11 +77,74 @@ static void vnet_set_msglevel(struct net_device *dev, u32
value)
vp->msg_enable = value;
}
+static const struct {
+ const char string[ETH_GSTRING_LEN];
+} ethtool_stats_keys[] = {
+ { "rx_packets" },
+ { "tx_packets" },
+ { "rx_bytes" },
+ { "tx_bytes" },
+ { "rx_errors" },
+ { "tx_errors" },
+ { "rx_dropped" },
+ { "tx_dropped" },
+ { "multicast" },
+ { "rx_length_errors" },
+ { "rx_frame_errors" },
+ { "rx_missed_errors" },
+ { "tx_carrier_errors" },
+};
+
+static int vnet_get_sset_count(struct net_device *dev, int sset)
+{
+ switch (sset) {
+ case ETH_SS_STATS:
+ return ARRAY_SIZE(ethtool_stats_keys);
+ default:
+ return -EOPNOTSUPP;
+ }
+}
+
+static void vnet_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
+{
+ switch (stringset) {
+ case ETH_SS_STATS:
+ memcpy(buf, ðtool_stats_keys, sizeof(ethtool_stats_keys));
+ break;
+ default:
+ WARN_ON(1);
+ break;
+ }
+}
+
+static void vnet_get_ethtool_stats(struct net_device *dev,
+ struct ethtool_stats *estats, u64 *data)
+{
+ int i = 0;
+
+ data[i++] = dev->stats.rx_packets;
+ data[i++] = dev->stats.tx_packets;
+ data[i++] = dev->stats.rx_bytes;
+ data[i++] = dev->stats.tx_bytes;
+ data[i++] = dev->stats.rx_errors;
+ data[i++] = dev->stats.tx_errors;
+ data[i++] = dev->stats.rx_dropped;
+ data[i++] = dev->stats.tx_dropped;
+ data[i++] = dev->stats.multicast;
+ data[i++] = dev->stats.rx_length_errors;
+ data[i++] = dev->stats.rx_frame_errors;
+ data[i++] = dev->stats.rx_missed_errors;
+ data[i++] = dev->stats.tx_carrier_errors;
+}
+
static const struct ethtool_ops vnet_ethtool_ops = {
.get_drvinfo = vnet_get_drvinfo,
.get_msglevel = vnet_get_msglevel,
.set_msglevel = vnet_set_msglevel,
.get_link = ethtool_op_get_link,
+ .get_sset_count = vnet_get_sset_count,
+ .get_strings = vnet_get_strings,
+ .get_ethtool_stats = vnet_get_ethtool_stats,
};
static LIST_HEAD(vnet_list);
diff --git a/drivers/net/ethernet/sun/sunvnet_common.c
b/drivers/net/ethernet/sun/sunvnet_common.c
index 0f940f0..624ad65 100644
--- a/drivers/net/ethernet/sun/sunvnet_common.c
+++ b/drivers/net/ethernet/sun/sunvnet_common.c
@@ -409,6 +409,8 @@ static int vnet_rx_one(struct vnet_port *port, struct
vio_net_desc *desc)
skb->ip_summed = port->switch_port ? CHECKSUM_NONE : CHECKSUM_PARTIAL;
+ if (unlikely(is_multicast_ether_addr(eth_hdr(skb)->h_dest)))
+ dev->stats.multicast++;
dev->stats.rx_packets++;
dev->stats.rx_bytes += len;
napi_gro_receive(&port->napi, skb);
--
1.7.1
