From: Vijaya Mohan Guvva <vijaya.gu...@cavium.com> Added ethtool support for vf representor ports to return port stats and driver info.
Signed-off-by: Vijaya Mohan Guvva <vijaya.gu...@cavium.com> Signed-off-by: Satanand Burla <satananda.bu...@cavium.com> Signed-off-by: Raghu Vatsavayi <raghu.vatsav...@cavium.com> Signed-off-by: Felix Manlunas <felix.manlu...@cavium.com> --- drivers/net/ethernet/cavium/liquidio/lio_vf_rep.c | 87 +++++++++++++++++++++++ 1 file changed, 87 insertions(+) diff --git a/drivers/net/ethernet/cavium/liquidio/lio_vf_rep.c b/drivers/net/ethernet/cavium/liquidio/lio_vf_rep.c index 2207956..92dcf54 100644 --- a/drivers/net/ethernet/cavium/liquidio/lio_vf_rep.c +++ b/drivers/net/ethernet/cavium/liquidio/lio_vf_rep.c @@ -26,6 +26,7 @@ #include "octeon_main.h" #include "octeon_network.h" #include <net/switchdev.h> +#include <linux/ethtool.h> #include "lio_vf_rep.h" #include "octeon_network.h" @@ -39,6 +40,91 @@ static void lio_vf_rep_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *stats64); static int lio_vf_rep_change_mtu(struct net_device *ndev, int new_mtu); +static const char lio_vf_rep_stats_strings[][ETH_GSTRING_LEN] = { + "rx_packets", + "tx_packets", + "rx_bytes", + "tx_bytes", + "rx_dropped", + "tx_dropped", +}; + +static void +lio_vf_rep_get_drvinfo(struct net_device *ndev, + struct ethtool_drvinfo *drvinfo) +{ + struct lio_vf_rep_desc *vf_rep = netdev_priv(ndev); + struct octeon_device *oct; + + oct = vf_rep->oct; + + memset(drvinfo, 0, sizeof(struct ethtool_drvinfo)); + strcpy(drvinfo->driver, "liquidio"); + strcpy(drvinfo->version, LIQUIDIO_VERSION); + strncpy(drvinfo->fw_version, oct->fw_info.liquidio_firmware_version, + ETHTOOL_FWVERS_LEN); +} + +static void +lio_vf_rep_get_ethtool_stats(struct net_device *ndev, + struct ethtool_stats *stats, + u64 *data) +{ + struct rtnl_link_stats64 *stats_ptr, net_stats; + int i = 0; + + stats_ptr = dev_get_stats(ndev, &net_stats); + + data[i++] = stats_ptr->rx_packets; + data[i++] = stats_ptr->tx_packets; + data[i++] = stats_ptr->rx_bytes; + data[i++] = stats_ptr->tx_bytes; + data[i++] = stats_ptr->rx_dropped; + data[i++] = stats_ptr->tx_dropped; +} + +static int +lio_vf_rep_get_sset_count(struct net_device *ndev, int sset) +{ + switch (sset) { + case ETH_SS_STATS: + return ARRAY_SIZE(lio_vf_rep_stats_strings); + + default: + return -EOPNOTSUPP; + } +} + +static void +lio_vf_rep_get_strings(struct net_device *ndev, u32 stringset, u8 *data) +{ + struct lio_vf_rep_desc *vf_rep = netdev_priv(ndev); + struct octeon_device *oct = vf_rep->oct; + int i, num_stats; + + switch (stringset) { + case ETH_SS_STATS: + num_stats = ARRAY_SIZE(lio_vf_rep_stats_strings); + for (i = 0; i < num_stats; i++) { + sprintf(data, "%s", lio_vf_rep_stats_strings[i]); + data += ETH_GSTRING_LEN; + } + break; + + default: + dev_err(&oct->pci_dev->dev, "Unknown Stringset !!\n"); + break; + } +} + +static const struct ethtool_ops lio_vf_rep_ethtool_ops = { + .get_drvinfo = lio_vf_rep_get_drvinfo, + .get_link = ethtool_op_get_link, + .get_strings = lio_vf_rep_get_strings, + .get_sset_count = lio_vf_rep_get_sset_count, + .get_ethtool_stats = lio_vf_rep_get_ethtool_stats, +}; + static const struct net_device_ops lio_vf_rep_ndev_ops = { .ndo_open = lio_vf_rep_open, .ndo_stop = lio_vf_rep_stop, @@ -537,6 +623,7 @@ lio_vf_rep_create(struct octeon_device *oct) ndev->max_mtu = LIO_MAX_MTU_SIZE; ndev->netdev_ops = &lio_vf_rep_ndev_ops; SWITCHDEV_SET_OPS(ndev, &lio_vf_rep_switchdev_ops); + ndev->ethtool_ops = &lio_vf_rep_ethtool_ops; vf_rep = netdev_priv(ndev); memset(vf_rep, 0, sizeof(*vf_rep)); -- 2.9.0