system/linux
system/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux synced 2024-10-07 11:53:31 +00:00
Code Issues Packages Projects Releases Wiki Activity

octeon_ep_vf: add support for ndo ops

Browse source 
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>
This commit is contained in:
Shinas Rasheed 2024-02-08 02:18:37 -08:00 committed by David S. Miller
parent ca6ecb0d3c
commit c3fad23cdc
1 changed files with 134 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

134
drivers/net/ethernet/marvell/octeon_ep_vf/octep_vf_main.c
View file

@ -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)