[PATCH v2 net-next 4/9] sunvnet: add driver stats for ethtool support
From: Shannon Nelson <hidden>
Date: 2017-02-07 22:17:44
Also in:
lkml, sparclinux
Subsystem:
networking drivers, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
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 <redacted> --- 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 add22d4..82273e6 100644
--- a/drivers/net/ethernet/sun/sunvnet_common.c
+++ b/drivers/net/ethernet/sun/sunvnet_common.c@@ -433,6 +433,8 @@ 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);
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1.7.1