octeon_ep_vf: add support for ndo ops

Add support for ndo ops to set MAC address, change MTU, get stats.
Add control path support to set MAC address, change MTU, get stats,
set speed, get and set link mode.

Signed-off-by: Shinas Rasheed <srasheed@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/marvell/octeon_ep_vf/octep_vf_main.c b/drivers/net/ethernet/marvell/octeon_ep_vf/octep_vf_main.c
index 997deb5283bdb149417afd68a2aef347acffd8f8..ca823933b9fd5ebe8cba9449669d97c9f280c207 100644 (file)
--- a/drivers/net/ethernet/marvell/octeon_ep_vf/octep_vf_main.c
+++ b/drivers/net/ethernet/marvell/octeon_ep_vf/octep_vf_main.c
@@ -186,6 +186,26 @@ static netdev_tx_t octep_vf_start_xmit(struct sk_buff *skb,
        return NETDEV_TX_OK;
 }
 
+int octep_vf_get_if_stats(struct octep_vf_device *oct)
+{
+       struct octep_vf_iface_rxtx_stats vf_stats;
+       int ret, size;
+
+       memset(&vf_stats, 0, sizeof(struct octep_vf_iface_rxtx_stats));
+       ret = octep_vf_mbox_bulk_read(oct, OCTEP_PFVF_MBOX_CMD_GET_STATS,
+                                     (u8 *)&vf_stats, &size);
+
+       if (ret)
+               return ret;
+
+       memcpy(&oct->iface_rx_stats, &vf_stats.iface_rx_stats,
+              sizeof(struct octep_vf_iface_rx_stats));
+       memcpy(&oct->iface_tx_stats, &vf_stats.iface_tx_stats,
+              sizeof(struct octep_vf_iface_tx_stats));
+
+       return 0;
+}
+
 int octep_vf_get_link_info(struct octep_vf_device *oct)
 {
        int ret, size;
@@ -199,6 +219,46 @@ int octep_vf_get_link_info(struct octep_vf_device *oct)
        return 0;
 }
 
+/**
+ * octep_vf_get_stats64() - Get Octeon network device statistics.
+ *
+ * @netdev: kernel network device.
+ * @stats: pointer to stats structure to be filled in.
+ */
+static void octep_vf_get_stats64(struct net_device *netdev,
+                                struct rtnl_link_stats64 *stats)
+{
+       struct octep_vf_device *oct = netdev_priv(netdev);
+       u64 tx_packets, tx_bytes, rx_packets, rx_bytes;
+       int q;
+
+       tx_packets = 0;
+       tx_bytes = 0;
+       rx_packets = 0;
+       rx_bytes = 0;
+       for (q = 0; q < oct->num_oqs; q++) {
+               struct octep_vf_iq *iq = oct->iq[q];
+               struct octep_vf_oq *oq = oct->oq[q];
+
+               tx_packets += iq->stats.instr_completed;
+               tx_bytes += iq->stats.bytes_sent;
+               rx_packets += oq->stats.packets;
+               rx_bytes += oq->stats.bytes;
+       }
+       stats->tx_packets = tx_packets;
+       stats->tx_bytes = tx_bytes;
+       stats->rx_packets = rx_packets;
+       stats->rx_bytes = rx_bytes;
+       if (!octep_vf_get_if_stats(oct)) {
+               stats->multicast = oct->iface_rx_stats.mcast_pkts;
+               stats->rx_errors = oct->iface_rx_stats.err_pkts;
+               stats->rx_dropped = oct->iface_rx_stats.dropped_pkts_fifo_full +
+                                   oct->iface_rx_stats.err_pkts;
+               stats->rx_missed_errors = oct->iface_rx_stats.dropped_pkts_fifo_full;
+               stats->tx_dropped = oct->iface_tx_stats.dropped;
+       }
+}
+
 /**
  * octep_vf_tx_timeout_task - work queue task to Handle Tx queue timeout.
  *
@@ -239,11 +299,85 @@ static void octep_vf_tx_timeout(struct net_device *netdev, unsigned int txqueue)
        schedule_work(&oct->tx_timeout_task);
 }
 
+static int octep_vf_set_mac(struct net_device *netdev, void *p)
+{
+       struct octep_vf_device *oct = netdev_priv(netdev);
+       struct sockaddr *addr = (struct sockaddr *)p;
+       int err;
+
+       if (!is_valid_ether_addr(addr->sa_data))
+               return -EADDRNOTAVAIL;
+
+       err = octep_vf_mbox_set_mac_addr(oct, addr->sa_data);
+       if (err)
+               return err;
+
+       memcpy(oct->mac_addr, addr->sa_data, ETH_ALEN);
+       eth_hw_addr_set(netdev, addr->sa_data);
+
+       return 0;
+}
+
+static int octep_vf_change_mtu(struct net_device *netdev, int new_mtu)
+{
+       struct octep_vf_device *oct = netdev_priv(netdev);
+       struct octep_vf_iface_link_info *link_info;
+       int err;
+
+       link_info = &oct->link_info;
+       if (link_info->mtu == new_mtu)
+               return 0;
+
+       err = octep_vf_mbox_set_mtu(oct, new_mtu);
+       if (!err) {
+               oct->link_info.mtu = new_mtu;
+               netdev->mtu = new_mtu;
+       }
+       return err;
+}
+
+static int octep_vf_set_features(struct net_device *netdev,
+                                netdev_features_t features)
+{
+       struct octep_vf_device *oct = netdev_priv(netdev);
+       u16 rx_offloads = 0, tx_offloads = 0;
+       int err;
+
+       /* We only support features received from firmware */
+       if ((features & netdev->hw_features) != features)
+               return -EINVAL;
+
+       if (features & NETIF_F_TSO)
+               tx_offloads |= OCTEP_VF_TX_OFFLOAD_TSO;
+
+       if (features & NETIF_F_TSO6)
+               tx_offloads |= OCTEP_VF_TX_OFFLOAD_TSO;
+
+       if (features & NETIF_F_IP_CSUM)
+               tx_offloads |= OCTEP_VF_TX_OFFLOAD_CKSUM;
+
+       if (features & NETIF_F_IPV6_CSUM)
+               tx_offloads |= OCTEP_VF_TX_OFFLOAD_CKSUM;
+
+       if (features & NETIF_F_RXCSUM)
+               rx_offloads |= OCTEP_VF_RX_OFFLOAD_CKSUM;
+
+       err = octep_vf_mbox_set_offloads(oct, tx_offloads, rx_offloads);
+       if (!err)
+               netdev->features = features;
+
+       return err;
+}
+
 static const struct net_device_ops octep_vf_netdev_ops = {
        .ndo_open                = octep_vf_open,
        .ndo_stop                = octep_vf_stop,
        .ndo_start_xmit          = octep_vf_start_xmit,
+       .ndo_get_stats64         = octep_vf_get_stats64,
        .ndo_tx_timeout          = octep_vf_tx_timeout,
+       .ndo_set_mac_address     = octep_vf_set_mac,
+       .ndo_change_mtu          = octep_vf_change_mtu,
+       .ndo_set_features        = octep_vf_set_features,
 };
 
 static const char *octep_vf_devid_to_str(struct octep_vf_device *oct)