[PATCH net-next v2 11/21] motorcomm:yt6801: Implement some net_device_ops function

From: Frank Sae
Date: Wed Nov 20 2024 - 06:26:22 EST


Implement following callback function
.ndo_stop
.ndo_start_xmit
.ndo_get_stats64
.ndo_set_mac_address
.ndo_validate_addr
.ndo_vlan_rx_add_vid
.ndo_vlan_rx_kill_vid
.ndo_poll_controller
.ndo_set_features
.ndo_fix_features
.ndo_set_rx_mode

Signed-off-by: Frank Sae <Frank.Sae@xxxxxxxxxxxxxx>
---
.../ethernet/motorcomm/yt6801/yt6801_net.c | 196 ++++++++++++++++++
1 file changed, 196 insertions(+)

diff --git a/drivers/net/ethernet/motorcomm/yt6801/yt6801_net.c b/drivers/net/ethernet/motorcomm/yt6801/yt6801_net.c
index fa1587e69..ed65c9cc9 100644
--- a/drivers/net/ethernet/motorcomm/yt6801/yt6801_net.c
+++ b/drivers/net/ethernet/motorcomm/yt6801/yt6801_net.c
@@ -996,6 +996,25 @@ static int fxgmac_open(struct net_device *netdev)
return ret;
}

+static int fxgmac_close(struct net_device *netdev)
+{
+ struct fxgmac_pdata *pdata = netdev_priv(netdev);
+ struct fxgmac_hw_ops *hw_ops = &pdata->hw_ops;
+
+ mutex_lock(&pdata->mutex);
+ fxgmac_stop(pdata); /* Stop the device */
+ pdata->dev_state = FXGMAC_DEV_CLOSE;
+ fxgmac_channels_rings_free(pdata); /* Free the channels and rings */
+ hw_ops->reset_phy(pdata);
+ phy_disconnect(pdata->phydev);
+ mutex_unlock(&pdata->mutex);
+
+ if (netif_msg_drv(pdata))
+ yt_dbg(pdata, "%s ok\n", __func__);
+
+ return 0;
+}
+
#define EFUSE_FISRT_UPDATE_ADDR 255
#define EFUSE_SECOND_UPDATE_ADDR 209
#define EFUSE_MAX_ENTRY 39
@@ -1981,9 +2000,186 @@ static netdev_tx_t fxgmac_xmit(struct sk_buff *skb, struct net_device *netdev)

return NETDEV_TX_OK;
}
+
+static void fxgmac_get_stats64(struct net_device *netdev,
+ struct rtnl_link_stats64 *s)
+{
+ struct fxgmac_pdata *pdata = netdev_priv(netdev);
+ struct fxgmac_stats *pstats = &pdata->stats;
+
+ if (test_bit(FXGMAC_POWER_STATE_DOWN, &pdata->powerstate))
+ return;
+
+ pdata->hw_ops.read_mmc_stats(pdata);
+
+ s->rx_packets = pstats->rxframecount_gb;
+ s->rx_bytes = pstats->rxoctetcount_gb;
+ s->rx_errors = pstats->rxframecount_gb - pstats->rxbroadcastframes_g -
+ pstats->rxmulticastframes_g - pstats->rxunicastframes_g;
+
+ s->rx_length_errors = pstats->rxlengtherror;
+ s->rx_crc_errors = pstats->rxcrcerror;
+ s->rx_fifo_errors = pstats->rxfifooverflow;
+
+ s->tx_packets = pstats->txframecount_gb;
+ s->tx_bytes = pstats->txoctetcount_gb;
+ s->tx_errors = pstats->txframecount_gb - pstats->txframecount_g;
+ s->tx_dropped = netdev->stats.tx_dropped;
+}
+
+static int fxgmac_set_mac_address(struct net_device *netdev, void *addr)
+{
+ struct fxgmac_pdata *pdata = netdev_priv(netdev);
+ struct fxgmac_hw_ops *hw_ops = &pdata->hw_ops;
+ struct sockaddr *saddr = addr;
+
+ if (!is_valid_ether_addr(saddr->sa_data))
+ return -EADDRNOTAVAIL;
+
+ eth_hw_addr_set(netdev, saddr->sa_data);
+ memcpy(pdata->mac_addr, saddr->sa_data, netdev->addr_len);
+ hw_ops->set_mac_address(pdata, saddr->sa_data);
+ hw_ops->set_mac_hash(pdata);
+
+ yt_dbg(pdata, "fxgmac,set mac addr to %pM\n", netdev->dev_addr);
+
+ return 0;
+}
+
+static int fxgmac_vlan_rx_add_vid(struct net_device *netdev, __be16 proto,
+ u16 vid)
+{
+ struct fxgmac_pdata *pdata = netdev_priv(netdev);
+ struct fxgmac_hw_ops *hw_ops = &pdata->hw_ops;
+
+ set_bit(vid, pdata->active_vlans);
+ hw_ops->update_vlan_hash_table(pdata);
+
+ yt_dbg(pdata, "fxgmac,add rx vlan %d\n", vid);
+
+ return 0;
+}
+
+static int fxgmac_vlan_rx_kill_vid(struct net_device *netdev, __be16 proto,
+ u16 vid)
+{
+ struct fxgmac_pdata *pdata = netdev_priv(netdev);
+ struct fxgmac_hw_ops *hw_ops = &pdata->hw_ops;
+
+ clear_bit(vid, pdata->active_vlans);
+ hw_ops->update_vlan_hash_table(pdata);
+
+ yt_dbg(pdata, "fxgmac,del rx vlan %d\n", vid);
+
+ return 0;
+}
+
+#ifdef CONFIG_NET_POLL_CONTROLLER
+static void fxgmac_poll_controller(struct net_device *netdev)
+{
+ struct fxgmac_pdata *pdata = netdev_priv(netdev);
+ struct fxgmac_channel *channel;
+
+ if (pdata->per_channel_irq) {
+ channel = pdata->channel_head;
+ for (u32 i = 0; i < pdata->channel_count; i++, channel++)
+ fxgmac_dma_isr(channel->dma_irq_rx, channel);
+ } else {
+ disable_irq(pdata->dev_irq);
+ fxgmac_isr(pdata->dev_irq, pdata);
+ enable_irq(pdata->dev_irq);
+ }
+}
+#endif /* CONFIG_NET_POLL_CONTROLLER */
+
+static netdev_features_t fxgmac_fix_features(struct net_device *netdev,
+ netdev_features_t features)
+{
+ struct fxgmac_pdata *pdata = netdev_priv(netdev);
+ u32 fifo_size;
+
+ fifo_size = pdata->hw_ops.calculate_max_checksum_size(pdata);
+ if (netdev->mtu > fifo_size) {
+ features &= ~NETIF_F_IP_CSUM;
+ features &= ~NETIF_F_IPV6_CSUM;
+ }
+
+ return features;
+}
+
+static int fxgmac_set_features(struct net_device *netdev,
+ netdev_features_t features)
+{
+ netdev_features_t rxhash, rxcsum, rxvlan, rxvlan_filter, tso;
+ struct fxgmac_pdata *pdata = netdev_priv(netdev);
+ struct fxgmac_hw_ops *hw_ops;
+
+ hw_ops = &pdata->hw_ops;
+ rxhash = pdata->netdev_features & NETIF_F_RXHASH;
+ rxcsum = pdata->netdev_features & NETIF_F_RXCSUM;
+ rxvlan = pdata->netdev_features & NETIF_F_HW_VLAN_CTAG_RX;
+ rxvlan_filter = pdata->netdev_features & NETIF_F_HW_VLAN_CTAG_FILTER;
+ tso = pdata->netdev_features & (NETIF_F_TSO | NETIF_F_TSO6);
+
+ if ((features & (NETIF_F_TSO | NETIF_F_TSO6)) && !tso) {
+ yt_dbg(pdata, "enable tso.\n");
+ pdata->hw_feat.tso = 1;
+ hw_ops->config_tso(pdata);
+ } else if (!(features & (NETIF_F_TSO | NETIF_F_TSO6)) && tso) {
+ yt_dbg(pdata, "disable tso.\n");
+ pdata->hw_feat.tso = 0;
+ hw_ops->config_tso(pdata);
+ }
+
+ if ((features & NETIF_F_RXHASH) && !rxhash)
+ hw_ops->enable_rss(pdata);
+ else if (!(features & NETIF_F_RXHASH) && rxhash)
+ hw_ops->disable_rss(pdata);
+
+ if ((features & NETIF_F_RXCSUM) && !rxcsum)
+ hw_ops->enable_rx_csum(pdata);
+ else if (!(features & NETIF_F_RXCSUM) && rxcsum)
+ hw_ops->disable_rx_csum(pdata);
+
+ if ((features & NETIF_F_HW_VLAN_CTAG_RX) && !rxvlan)
+ hw_ops->enable_rx_vlan_stripping(pdata);
+ else if (!(features & NETIF_F_HW_VLAN_CTAG_RX) && rxvlan)
+ hw_ops->disable_rx_vlan_stripping(pdata);
+
+ if ((features & NETIF_F_HW_VLAN_CTAG_FILTER) && !rxvlan_filter)
+ hw_ops->enable_rx_vlan_filtering(pdata);
+ else if (!(features & NETIF_F_HW_VLAN_CTAG_FILTER) && rxvlan_filter)
+ hw_ops->disable_rx_vlan_filtering(pdata);
+
+ pdata->netdev_features = features;
+
+ yt_dbg(pdata, "fxgmac,set features done,%llx\n", (u64)features);
+ return 0;
+}
+
+static void fxgmac_set_rx_mode(struct net_device *netdev)
+{
+ struct fxgmac_pdata *pdata = netdev_priv(netdev);
+ struct fxgmac_hw_ops *hw_ops = &pdata->hw_ops;
+
+ hw_ops->config_rx_mode(pdata);
+}
+
static const struct net_device_ops fxgmac_netdev_ops = {
.ndo_open = fxgmac_open,
+ .ndo_stop = fxgmac_close,
.ndo_start_xmit = fxgmac_xmit,
+ .ndo_get_stats64 = fxgmac_get_stats64,
+ .ndo_set_mac_address = fxgmac_set_mac_address,
+ .ndo_validate_addr = eth_validate_addr,
+ .ndo_vlan_rx_add_vid = fxgmac_vlan_rx_add_vid,
+ .ndo_vlan_rx_kill_vid = fxgmac_vlan_rx_kill_vid,
+#ifdef CONFIG_NET_POLL_CONTROLLER
+ .ndo_poll_controller = fxgmac_poll_controller,
+#endif
+ .ndo_set_features = fxgmac_set_features,
+ .ndo_fix_features = fxgmac_fix_features,
+ .ndo_set_rx_mode = fxgmac_set_rx_mode,
};

const struct net_device_ops *fxgmac_get_netdev_ops(void)
--
2.34.1