#define GMAC_PACKET_FILTER 0x00000008
#define GMAC_HASH_TAB(x) (0x10 + (x) * 4)
#define GMAC_VLAN_TAG 0x00000050
+#define GMAC_VLAN_TAG_DATA 0x00000054
#define GMAC_VLAN_HASH_TABLE 0x00000058
#define GMAC_RX_FLOW_CTRL 0x00000090
#define GMAC_VLAN_INCL 0x00000060
#define GMAC_VLAN_VLC GENMASK(17, 16)
#define GMAC_VLAN_VLC_SHIFT 16
+/* MAC VLAN Tag */
+#define GMAC_VLAN_TAG_VID GENMASK(15, 0)
+#define GMAC_VLAN_TAG_ETV BIT(16)
+
+/* MAC VLAN Tag Control */
+#define GMAC_VLAN_TAG_CTRL_OB BIT(0)
+#define GMAC_VLAN_TAG_CTRL_CT BIT(1)
+#define GMAC_VLAN_TAG_CTRL_OFS_MASK GENMASK(6, 2)
+#define GMAC_VLAN_TAG_CTRL_OFS_SHIFT 2
+#define GMAC_VLAN_TAG_CTRL_EVLS_MASK GENMASK(22, 21)
+#define GMAC_VLAN_TAG_CTRL_EVLS_SHIFT 21
+#define GMAC_VLAN_TAG_CTRL_EVLRXS BIT(24)
+
+#define GMAC_VLAN_TAG_STRIP_NONE (0x0 << GMAC_VLAN_TAG_CTRL_EVLS_SHIFT)
+#define GMAC_VLAN_TAG_STRIP_PASS (0x1 << GMAC_VLAN_TAG_CTRL_EVLS_SHIFT)
+#define GMAC_VLAN_TAG_STRIP_FAIL (0x2 << GMAC_VLAN_TAG_CTRL_EVLS_SHIFT)
+#define GMAC_VLAN_TAG_STRIP_ALL (0x3 << GMAC_VLAN_TAG_CTRL_EVLS_SHIFT)
+
+/* MAC VLAN Tag Data/Filter */
+#define GMAC_VLAN_TAG_DATA_VID GENMASK(15, 0)
+#define GMAC_VLAN_TAG_DATA_VEN BIT(16)
+#define GMAC_VLAN_TAG_DATA_ETV BIT(17)
+
/* MAC RX Queue Enable */
#define GMAC_RX_QUEUE_CLEAR(queue) ~(GENMASK(1, 0) << ((queue) * 2))
#define GMAC_RX_AV_QUEUE_ENABLE(queue) BIT((queue) * 2)
#define GMAC_HW_FEAT_FRPBS GENMASK(12, 11)
#define GMAC_HW_FEAT_FRPSEL BIT(10)
#define GMAC_HW_FEAT_DVLAN BIT(5)
+#define GMAC_HW_FEAT_NRVF GENMASK(2, 0)
/* MAC HW ADDR regs */
#define GMAC_HI_DCS GENMASK(18, 16)
writel(value, ioaddr + GMAC4_LPI_TIMER_CTRL);
}
+static void dwmac4_write_single_vlan(struct net_device *dev, u16 vid)
+{
+ void __iomem *ioaddr = (void __iomem *)dev->base_addr;
+ u32 val;
+
+ val = readl(ioaddr + GMAC_VLAN_TAG);
+ val &= ~GMAC_VLAN_TAG_VID;
+ val |= GMAC_VLAN_TAG_ETV | vid;
+
+ writel(val, ioaddr + GMAC_VLAN_TAG);
+}
+
+static int dwmac4_write_vlan_filter(struct net_device *dev,
+ struct mac_device_info *hw,
+ u8 index, u32 data)
+{
+ void __iomem *ioaddr = (void __iomem *)dev->base_addr;
+ int i, timeout = 10;
+ u32 val;
+
+ if (index >= hw->num_vlan)
+ return -EINVAL;
+
+ writel(data, ioaddr + GMAC_VLAN_TAG_DATA);
+
+ val = readl(ioaddr + GMAC_VLAN_TAG);
+ val &= ~(GMAC_VLAN_TAG_CTRL_OFS_MASK |
+ GMAC_VLAN_TAG_CTRL_CT |
+ GMAC_VLAN_TAG_CTRL_OB);
+ val |= (index << GMAC_VLAN_TAG_CTRL_OFS_SHIFT) | GMAC_VLAN_TAG_CTRL_OB;
+
+ writel(val, ioaddr + GMAC_VLAN_TAG);
+
+ for (i = 0; i < timeout; i++) {
+ val = readl(ioaddr + GMAC_VLAN_TAG);
+ if (!(val & GMAC_VLAN_TAG_CTRL_OB))
+ return 0;
+ udelay(1);
+ }
+
+ netdev_err(dev, "Timeout accessing MAC_VLAN_Tag_Filter\n");
+
+ return -EBUSY;
+}
+
+static int dwmac4_add_hw_vlan_rx_fltr(struct net_device *dev,
+ struct mac_device_info *hw,
+ __be16 proto, u16 vid)
+{
+ int index = -1;
+ u32 val = 0;
+ int i, ret;
+
+ if (vid > 4095)
+ return -EINVAL;
+
+ /* Single Rx VLAN Filter */
+ if (hw->num_vlan == 1) {
+ /* For single VLAN filter, VID 0 means VLAN promiscuous */
+ if (vid == 0) {
+ netdev_warn(dev, "Adding VLAN ID 0 is not supported\n");
+ return -EPERM;
+ }
+
+ if (hw->vlan_filter[0] & GMAC_VLAN_TAG_VID) {
+ netdev_err(dev, "Only single VLAN ID supported\n");
+ return -EPERM;
+ }
+
+ hw->vlan_filter[0] = vid;
+ dwmac4_write_single_vlan(dev, vid);
+
+ return 0;
+ }
+
+ /* Extended Rx VLAN Filter Enable */
+ val |= GMAC_VLAN_TAG_DATA_ETV | GMAC_VLAN_TAG_DATA_VEN | vid;
+
+ for (i = 0; i < hw->num_vlan; i++) {
+ if (hw->vlan_filter[i] == val)
+ return 0;
+ else if (!(hw->vlan_filter[i] & GMAC_VLAN_TAG_DATA_VEN))
+ index = i;
+ }
+
+ if (index == -1) {
+ netdev_err(dev, "MAC_VLAN_Tag_Filter full (size: %0u)\n",
+ hw->num_vlan);
+ return -EPERM;
+ }
+
+ ret = dwmac4_write_vlan_filter(dev, hw, index, val);
+
+ if (!ret)
+ hw->vlan_filter[index] = val;
+
+ return ret;
+}
+
+static int dwmac4_del_hw_vlan_rx_fltr(struct net_device *dev,
+ struct mac_device_info *hw,
+ __be16 proto, u16 vid)
+{
+ int i, ret = 0;
+
+ /* Single Rx VLAN Filter */
+ if (hw->num_vlan == 1) {
+ if ((hw->vlan_filter[0] & GMAC_VLAN_TAG_VID) == vid) {
+ hw->vlan_filter[0] = 0;
+ dwmac4_write_single_vlan(dev, 0);
+ }
+ return 0;
+ }
+
+ /* Extended Rx VLAN Filter Enable */
+ for (i = 0; i < hw->num_vlan; i++) {
+ if ((hw->vlan_filter[i] & GMAC_VLAN_TAG_DATA_VID) == vid) {
+ ret = dwmac4_write_vlan_filter(dev, hw, i, 0);
+
+ if (!ret)
+ hw->vlan_filter[i] = 0;
+ else
+ return ret;
+ }
+ }
+
+ return ret;
+}
+
+static void dwmac4_restore_hw_vlan_rx_fltr(struct net_device *dev,
+ struct mac_device_info *hw)
+{
+ u32 val;
+ int i;
+
+ /* Single Rx VLAN Filter */
+ if (hw->num_vlan == 1) {
+ dwmac4_write_single_vlan(dev, hw->vlan_filter[0]);
+ return;
+ }
+
+ /* Extended Rx VLAN Filter Enable */
+ for (i = 0; i < hw->num_vlan; i++) {
+ if (hw->vlan_filter[i] & GMAC_VLAN_TAG_DATA_VEN) {
+ val = hw->vlan_filter[i];
+ dwmac4_write_vlan_filter(dev, hw, i, val);
+ }
+ }
+}
+
static void dwmac4_set_filter(struct mac_device_info *hw,
struct net_device *dev)
{
}
}
+ /* VLAN filtering */
+ if (dev->features & NETIF_F_HW_VLAN_CTAG_FILTER)
+ value |= GMAC_PACKET_FILTER_VTFE;
+
writel(value, ioaddr + GMAC_PACKET_FILTER);
}
.set_arp_offload = dwmac4_set_arp_offload,
.config_l3_filter = dwmac4_config_l3_filter,
.config_l4_filter = dwmac4_config_l4_filter,
+ .add_hw_vlan_rx_fltr = dwmac4_add_hw_vlan_rx_fltr,
+ .del_hw_vlan_rx_fltr = dwmac4_del_hw_vlan_rx_fltr,
+ .restore_hw_vlan_rx_fltr = dwmac4_restore_hw_vlan_rx_fltr,
};
const struct stmmac_ops dwmac410_ops = {
.config_l4_filter = dwmac4_config_l4_filter,
.est_configure = dwmac5_est_configure,
.fpe_configure = dwmac5_fpe_configure,
+ .add_hw_vlan_rx_fltr = dwmac4_add_hw_vlan_rx_fltr,
+ .del_hw_vlan_rx_fltr = dwmac4_del_hw_vlan_rx_fltr,
+ .restore_hw_vlan_rx_fltr = dwmac4_restore_hw_vlan_rx_fltr,
};
const struct stmmac_ops dwmac510_ops = {
.config_l4_filter = dwmac4_config_l4_filter,
.est_configure = dwmac5_est_configure,
.fpe_configure = dwmac5_fpe_configure,
+ .add_hw_vlan_rx_fltr = dwmac4_add_hw_vlan_rx_fltr,
+ .del_hw_vlan_rx_fltr = dwmac4_del_hw_vlan_rx_fltr,
+ .restore_hw_vlan_rx_fltr = dwmac4_restore_hw_vlan_rx_fltr,
};
+static u32 dwmac4_get_num_vlan(void __iomem *ioaddr)
+{
+ u32 val, num_vlan;
+
+ val = readl(ioaddr + GMAC_HW_FEATURE3);
+ switch (val & GMAC_HW_FEAT_NRVF) {
+ case 0:
+ num_vlan = 1;
+ break;
+ case 1:
+ num_vlan = 4;
+ break;
+ case 2:
+ num_vlan = 8;
+ break;
+ case 3:
+ num_vlan = 16;
+ break;
+ case 4:
+ num_vlan = 24;
+ break;
+ case 5:
+ num_vlan = 32;
+ break;
+ default:
+ num_vlan = 1;
+ }
+
+ return num_vlan;
+}
+
int dwmac4_setup(struct stmmac_priv *priv)
{
struct mac_device_info *mac = priv->hw;
mac->mii.reg_mask = GENMASK(20, 16);
mac->mii.clk_csr_shift = 8;
mac->mii.clk_csr_mask = GENMASK(11, 8);
+ mac->num_vlan = dwmac4_get_num_vlan(priv->ioaddr);
return 0;
}
void (*update_vlan_hash)(struct mac_device_info *hw, u32 hash,
__le16 perfect_match, bool is_double);
void (*enable_vlan)(struct mac_device_info *hw, u32 type);
+ int (*add_hw_vlan_rx_fltr)(struct net_device *dev,
+ struct mac_device_info *hw,
+ __be16 proto, u16 vid);
+ int (*del_hw_vlan_rx_fltr)(struct net_device *dev,
+ struct mac_device_info *hw,
+ __be16 proto, u16 vid);
+ void (*restore_hw_vlan_rx_fltr)(struct net_device *dev,
+ struct mac_device_info *hw);
/* TX Timestamp */
int (*get_mac_tx_timestamp)(struct mac_device_info *hw, u64 *ts);
/* Source Address Insertion / Replacement */
stmmac_do_void_callback(__priv, mac, update_vlan_hash, __args)
#define stmmac_enable_vlan(__priv, __args...) \
stmmac_do_void_callback(__priv, mac, enable_vlan, __args)
+#define stmmac_add_hw_vlan_rx_fltr(__priv, __args...) \
+ stmmac_do_callback(__priv, mac, add_hw_vlan_rx_fltr, __args)
+#define stmmac_del_hw_vlan_rx_fltr(__priv, __args...) \
+ stmmac_do_callback(__priv, mac, del_hw_vlan_rx_fltr, __args)
+#define stmmac_restore_hw_vlan_rx_fltr(__priv, __args...) \
+ stmmac_do_void_callback(__priv, mac, restore_hw_vlan_rx_fltr, __args)
#define stmmac_get_mac_tx_timestamp(__priv, __args...) \
stmmac_do_callback(__priv, mac, get_mac_tx_timestamp, __args)
#define stmmac_sarc_configure(__priv, __args...) \
projects / platform / kernel / linux-starfive.git / commitdiff