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authorINAGAKI Hiroshi <musashino.open@gmail.com>2022-09-09 22:08:16 +0900
committerSander Vanheule <sander@svanheule.net>2022-12-15 20:52:09 +0100
commit8fb15ea52a02b0578c11897afd1a87f8502d8f52 (patch)
treea65ae72710e84420cad6e500a2b781abce0cd9a0 /target/linux/realtek/files-5.15/drivers/net/dsa/rtl83xx/dsa.c
parentfef55d5ffd31bd6e0d157df784f47fe8ce0f1494 (diff)
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realtek: copy dts/files/patches/configs for 5.15
Copy dts/files/patches/configs from 5.10 to 5.15. Signed-off-by: INAGAKI Hiroshi <musashino.open@gmail.com> [refresh with updated DGS-1210 dts files] Signed-off-by: Sander Vanheule <sander@svanheule.net>
Diffstat (limited to 'target/linux/realtek/files-5.15/drivers/net/dsa/rtl83xx/dsa.c')
-rw-r--r--target/linux/realtek/files-5.15/drivers/net/dsa/rtl83xx/dsa.c2259
1 files changed, 2259 insertions, 0 deletions
diff --git a/target/linux/realtek/files-5.15/drivers/net/dsa/rtl83xx/dsa.c b/target/linux/realtek/files-5.15/drivers/net/dsa/rtl83xx/dsa.c
new file mode 100644
index 0000000000..6eea0dc936
--- /dev/null
+++ b/target/linux/realtek/files-5.15/drivers/net/dsa/rtl83xx/dsa.c
@@ -0,0 +1,2259 @@
+// SPDX-License-Identifier: GPL-2.0-only
+
+#include <net/dsa.h>
+#include <linux/if_bridge.h>
+
+#include <asm/mach-rtl838x/mach-rtl83xx.h>
+#include "rtl83xx.h"
+
+
+extern struct rtl83xx_soc_info soc_info;
+
+
+static void rtl83xx_init_stats(struct rtl838x_switch_priv *priv)
+{
+ mutex_lock(&priv->reg_mutex);
+
+ /* Enable statistics module: all counters plus debug.
+ * On RTL839x all counters are enabled by default
+ */
+ if (priv->family_id == RTL8380_FAMILY_ID)
+ sw_w32_mask(0, 3, RTL838X_STAT_CTRL);
+
+ /* Reset statistics counters */
+ sw_w32_mask(0, 1, priv->r->stat_rst);
+
+ mutex_unlock(&priv->reg_mutex);
+}
+
+static void rtl83xx_enable_phy_polling(struct rtl838x_switch_priv *priv)
+{
+ int i;
+ u64 v = 0;
+
+ msleep(1000);
+ /* Enable all ports with a PHY, including the SFP-ports */
+ for (i = 0; i < priv->cpu_port; i++) {
+ if (priv->ports[i].phy)
+ v |= BIT_ULL(i);
+ }
+
+ pr_info("%s: %16llx\n", __func__, v);
+ priv->r->set_port_reg_le(v, priv->r->smi_poll_ctrl);
+
+ /* PHY update complete, there is no global PHY polling enable bit on the 9300 */
+ if (priv->family_id == RTL8390_FAMILY_ID)
+ sw_w32_mask(0, BIT(7), RTL839X_SMI_GLB_CTRL);
+ else if(priv->family_id == RTL9300_FAMILY_ID)
+ sw_w32_mask(0, 0x8000, RTL838X_SMI_GLB_CTRL);
+}
+
+const struct rtl83xx_mib_desc rtl83xx_mib[] = {
+ MIB_DESC(2, 0xf8, "ifInOctets"),
+ MIB_DESC(2, 0xf0, "ifOutOctets"),
+ MIB_DESC(1, 0xec, "dot1dTpPortInDiscards"),
+ MIB_DESC(1, 0xe8, "ifInUcastPkts"),
+ MIB_DESC(1, 0xe4, "ifInMulticastPkts"),
+ MIB_DESC(1, 0xe0, "ifInBroadcastPkts"),
+ MIB_DESC(1, 0xdc, "ifOutUcastPkts"),
+ MIB_DESC(1, 0xd8, "ifOutMulticastPkts"),
+ MIB_DESC(1, 0xd4, "ifOutBroadcastPkts"),
+ MIB_DESC(1, 0xd0, "ifOutDiscards"),
+ MIB_DESC(1, 0xcc, ".3SingleCollisionFrames"),
+ MIB_DESC(1, 0xc8, ".3MultipleCollisionFrames"),
+ MIB_DESC(1, 0xc4, ".3DeferredTransmissions"),
+ MIB_DESC(1, 0xc0, ".3LateCollisions"),
+ MIB_DESC(1, 0xbc, ".3ExcessiveCollisions"),
+ MIB_DESC(1, 0xb8, ".3SymbolErrors"),
+ MIB_DESC(1, 0xb4, ".3ControlInUnknownOpcodes"),
+ MIB_DESC(1, 0xb0, ".3InPauseFrames"),
+ MIB_DESC(1, 0xac, ".3OutPauseFrames"),
+ MIB_DESC(1, 0xa8, "DropEvents"),
+ MIB_DESC(1, 0xa4, "tx_BroadcastPkts"),
+ MIB_DESC(1, 0xa0, "tx_MulticastPkts"),
+ MIB_DESC(1, 0x9c, "CRCAlignErrors"),
+ MIB_DESC(1, 0x98, "tx_UndersizePkts"),
+ MIB_DESC(1, 0x94, "rx_UndersizePkts"),
+ MIB_DESC(1, 0x90, "rx_UndersizedropPkts"),
+ MIB_DESC(1, 0x8c, "tx_OversizePkts"),
+ MIB_DESC(1, 0x88, "rx_OversizePkts"),
+ MIB_DESC(1, 0x84, "Fragments"),
+ MIB_DESC(1, 0x80, "Jabbers"),
+ MIB_DESC(1, 0x7c, "Collisions"),
+ MIB_DESC(1, 0x78, "tx_Pkts64Octets"),
+ MIB_DESC(1, 0x74, "rx_Pkts64Octets"),
+ MIB_DESC(1, 0x70, "tx_Pkts65to127Octets"),
+ MIB_DESC(1, 0x6c, "rx_Pkts65to127Octets"),
+ MIB_DESC(1, 0x68, "tx_Pkts128to255Octets"),
+ MIB_DESC(1, 0x64, "rx_Pkts128to255Octets"),
+ MIB_DESC(1, 0x60, "tx_Pkts256to511Octets"),
+ MIB_DESC(1, 0x5c, "rx_Pkts256to511Octets"),
+ MIB_DESC(1, 0x58, "tx_Pkts512to1023Octets"),
+ MIB_DESC(1, 0x54, "rx_Pkts512to1023Octets"),
+ MIB_DESC(1, 0x50, "tx_Pkts1024to1518Octets"),
+ MIB_DESC(1, 0x4c, "rx_StatsPkts1024to1518Octets"),
+ MIB_DESC(1, 0x48, "tx_Pkts1519toMaxOctets"),
+ MIB_DESC(1, 0x44, "rx_Pkts1519toMaxOctets"),
+ MIB_DESC(1, 0x40, "rxMacDiscards")
+};
+
+
+/* DSA callbacks */
+
+
+static enum dsa_tag_protocol rtl83xx_get_tag_protocol(struct dsa_switch *ds,
+ int port,
+ enum dsa_tag_protocol mprot)
+{
+ /* The switch does not tag the frames, instead internally the header
+ * structure for each packet is tagged accordingly.
+ */
+ return DSA_TAG_PROTO_TRAILER;
+}
+
+/*
+ * Initialize all VLANS
+ */
+static void rtl83xx_vlan_setup(struct rtl838x_switch_priv *priv)
+{
+ struct rtl838x_vlan_info info;
+ int i;
+
+ pr_info("In %s\n", __func__);
+
+ priv->r->vlan_profile_setup(0);
+ priv->r->vlan_profile_setup(1);
+ pr_info("UNKNOWN_MC_PMASK: %016llx\n", priv->r->read_mcast_pmask(UNKNOWN_MC_PMASK));
+ priv->r->vlan_profile_dump(0);
+
+ info.fid = 0; // Default Forwarding ID / MSTI
+ info.hash_uc_fid = false; // Do not build the L2 lookup hash with FID, but VID
+ info.hash_mc_fid = false; // Do the same for Multicast packets
+ info.profile_id = 0; // Use default Vlan Profile 0
+ info.tagged_ports = 0; // Initially no port members
+ if (priv->family_id == RTL9310_FAMILY_ID) {
+ info.if_id = 0;
+ info.multicast_grp_mask = 0;
+ info.l2_tunnel_list_id = -1;
+ }
+
+ // Initialize all vlans 0-4095
+ for (i = 0; i < MAX_VLANS; i ++)
+ priv->r->vlan_set_tagged(i, &info);
+
+ // reset PVIDs; defaults to 1 on reset
+ for (i = 0; i <= priv->ds->num_ports; i++) {
+ priv->r->vlan_port_pvid_set(i, PBVLAN_TYPE_INNER, 0);
+ priv->r->vlan_port_pvid_set(i, PBVLAN_TYPE_OUTER, 0);
+ priv->r->vlan_port_pvidmode_set(i, PBVLAN_TYPE_INNER, PBVLAN_MODE_UNTAG_AND_PRITAG);
+ priv->r->vlan_port_pvidmode_set(i, PBVLAN_TYPE_OUTER, PBVLAN_MODE_UNTAG_AND_PRITAG);
+ }
+
+ // Set forwarding action based on inner VLAN tag
+ for (i = 0; i < priv->cpu_port; i++)
+ priv->r->vlan_fwd_on_inner(i, true);
+}
+
+static void rtl83xx_setup_bpdu_traps(struct rtl838x_switch_priv *priv)
+{
+ int i;
+
+ for (i = 0; i < priv->cpu_port; i++)
+ priv->r->set_receive_management_action(i, BPDU, COPY2CPU);
+}
+
+static void rtl83xx_port_set_salrn(struct rtl838x_switch_priv *priv,
+ int port, bool enable)
+{
+ int shift = SALRN_PORT_SHIFT(port);
+ int val = enable ? SALRN_MODE_HARDWARE : SALRN_MODE_DISABLED;
+
+ sw_w32_mask(SALRN_MODE_MASK << shift, val << shift,
+ priv->r->l2_port_new_salrn(port));
+}
+
+static int rtl83xx_setup(struct dsa_switch *ds)
+{
+ int i;
+ struct rtl838x_switch_priv *priv = ds->priv;
+ u64 port_bitmap = BIT_ULL(priv->cpu_port);
+
+ pr_debug("%s called\n", __func__);
+
+ /* Disable MAC polling the PHY so that we can start configuration */
+ priv->r->set_port_reg_le(0ULL, priv->r->smi_poll_ctrl);
+
+ for (i = 0; i < ds->num_ports; i++)
+ priv->ports[i].enable = false;
+ priv->ports[priv->cpu_port].enable = true;
+
+ /* Isolate ports from each other: traffic only CPU <-> port */
+ /* Setting bit j in register RTL838X_PORT_ISO_CTRL(i) allows
+ * traffic from source port i to destination port j
+ */
+ for (i = 0; i < priv->cpu_port; i++) {
+ if (priv->ports[i].phy) {
+ priv->r->set_port_reg_be(BIT_ULL(priv->cpu_port) | BIT_ULL(i),
+ priv->r->port_iso_ctrl(i));
+ port_bitmap |= BIT_ULL(i);
+ }
+ }
+ priv->r->set_port_reg_be(port_bitmap, priv->r->port_iso_ctrl(priv->cpu_port));
+
+ if (priv->family_id == RTL8380_FAMILY_ID)
+ rtl838x_print_matrix();
+ else
+ rtl839x_print_matrix();
+
+ rtl83xx_init_stats(priv);
+
+ rtl83xx_vlan_setup(priv);
+
+ rtl83xx_setup_bpdu_traps(priv);
+
+ ds->configure_vlan_while_not_filtering = true;
+
+ priv->r->l2_learning_setup();
+
+ rtl83xx_port_set_salrn(priv, priv->cpu_port, false);
+ ds->assisted_learning_on_cpu_port = true;
+
+ /*
+ * Make sure all frames sent to the switch's MAC are trapped to the CPU-port
+ * 0: FWD, 1: DROP, 2: TRAP2CPU
+ */
+ if (priv->family_id == RTL8380_FAMILY_ID)
+ sw_w32(0x2, RTL838X_SPCL_TRAP_SWITCH_MAC_CTRL);
+ else
+ sw_w32(0x2, RTL839X_SPCL_TRAP_SWITCH_MAC_CTRL);
+
+ /* Enable MAC Polling PHY again */
+ rtl83xx_enable_phy_polling(priv);
+ pr_debug("Please wait until PHY is settled\n");
+ msleep(1000);
+ priv->r->pie_init(priv);
+
+ return 0;
+}
+
+static int rtl93xx_setup(struct dsa_switch *ds)
+{
+ int i;
+ struct rtl838x_switch_priv *priv = ds->priv;
+ u32 port_bitmap = BIT(priv->cpu_port);
+
+ pr_info("%s called\n", __func__);
+
+ /* Disable MAC polling the PHY so that we can start configuration */
+ if (priv->family_id == RTL9300_FAMILY_ID)
+ sw_w32(0, RTL930X_SMI_POLL_CTRL);
+
+ if (priv->family_id == RTL9310_FAMILY_ID) {
+ sw_w32(0, RTL931X_SMI_PORT_POLLING_CTRL);
+ sw_w32(0, RTL931X_SMI_PORT_POLLING_CTRL + 4);
+ }
+
+ // Disable all ports except CPU port
+ for (i = 0; i < ds->num_ports; i++)
+ priv->ports[i].enable = false;
+ priv->ports[priv->cpu_port].enable = true;
+
+ for (i = 0; i < priv->cpu_port; i++) {
+ if (priv->ports[i].phy) {
+ priv->r->traffic_set(i, BIT_ULL(priv->cpu_port) | BIT_ULL(i));
+ port_bitmap |= BIT_ULL(i);
+ }
+ }
+ priv->r->traffic_set(priv->cpu_port, port_bitmap);
+
+ rtl930x_print_matrix();
+
+ // TODO: Initialize statistics
+
+ rtl83xx_vlan_setup(priv);
+
+ ds->configure_vlan_while_not_filtering = true;
+
+ priv->r->l2_learning_setup();
+
+ rtl83xx_port_set_salrn(priv, priv->cpu_port, false);
+ ds->assisted_learning_on_cpu_port = true;
+
+ rtl83xx_enable_phy_polling(priv);
+
+ priv->r->pie_init(priv);
+
+ priv->r->led_init(priv);
+
+ return 0;
+}
+
+static int rtl93xx_get_sds(struct phy_device *phydev)
+{
+ struct device *dev = &phydev->mdio.dev;
+ struct device_node *dn;
+ u32 sds_num;
+
+ if (!dev)
+ return -1;
+ if (dev->of_node) {
+ dn = dev->of_node;
+ if (of_property_read_u32(dn, "sds", &sds_num))
+ sds_num = -1;
+ } else {
+ dev_err(dev, "No DT node.\n");
+ return -1;
+ }
+
+ return sds_num;
+}
+
+static void rtl83xx_phylink_validate(struct dsa_switch *ds, int port,
+ unsigned long *supported,
+ struct phylink_link_state *state)
+{
+ struct rtl838x_switch_priv *priv = ds->priv;
+ __ETHTOOL_DECLARE_LINK_MODE_MASK(mask) = { 0, };
+
+ pr_debug("In %s port %d, state is %d", __func__, port, state->interface);
+
+ if (!phy_interface_mode_is_rgmii(state->interface) &&
+ state->interface != PHY_INTERFACE_MODE_NA &&
+ state->interface != PHY_INTERFACE_MODE_1000BASEX &&
+ state->interface != PHY_INTERFACE_MODE_MII &&
+ state->interface != PHY_INTERFACE_MODE_REVMII &&
+ state->interface != PHY_INTERFACE_MODE_GMII &&
+ state->interface != PHY_INTERFACE_MODE_QSGMII &&
+ state->interface != PHY_INTERFACE_MODE_INTERNAL &&
+ state->interface != PHY_INTERFACE_MODE_SGMII) {
+ bitmap_zero(supported, __ETHTOOL_LINK_MODE_MASK_NBITS);
+ dev_err(ds->dev,
+ "Unsupported interface: %d for port %d\n",
+ state->interface, port);
+ return;
+ }
+
+ /* Allow all the expected bits */
+ phylink_set(mask, Autoneg);
+ phylink_set_port_modes(mask);
+ phylink_set(mask, Pause);
+ phylink_set(mask, Asym_Pause);
+
+ /* With the exclusion of MII and Reverse MII, we support Gigabit,
+ * including Half duplex
+ */
+ if (state->interface != PHY_INTERFACE_MODE_MII &&
+ state->interface != PHY_INTERFACE_MODE_REVMII) {
+ phylink_set(mask, 1000baseT_Full);
+ phylink_set(mask, 1000baseT_Half);
+ }
+
+ /* On both the 8380 and 8382, ports 24-27 are SFP ports */
+ if (port >= 24 && port <= 27 && priv->family_id == RTL8380_FAMILY_ID)
+ phylink_set(mask, 1000baseX_Full);
+
+ /* On the RTL839x family of SoCs, ports 48 to 51 are SFP ports */
+ if (port >= 48 && port <= 51 && priv->family_id == RTL8390_FAMILY_ID)
+ phylink_set(mask, 1000baseX_Full);
+
+ phylink_set(mask, 10baseT_Half);
+ phylink_set(mask, 10baseT_Full);
+ phylink_set(mask, 100baseT_Half);
+ phylink_set(mask, 100baseT_Full);
+
+ bitmap_and(supported, supported, mask,
+ __ETHTOOL_LINK_MODE_MASK_NBITS);
+ bitmap_and(state->advertising, state->advertising, mask,
+ __ETHTOOL_LINK_MODE_MASK_NBITS);
+}
+
+static void rtl93xx_phylink_validate(struct dsa_switch *ds, int port,
+ unsigned long *supported,
+ struct phylink_link_state *state)
+{
+ struct rtl838x_switch_priv *priv = ds->priv;
+ __ETHTOOL_DECLARE_LINK_MODE_MASK(mask) = { 0, };
+
+ pr_debug("In %s port %d, state is %d (%s)", __func__, port, state->interface,
+ phy_modes(state->interface));
+
+ if (!phy_interface_mode_is_rgmii(state->interface) &&
+ state->interface != PHY_INTERFACE_MODE_NA &&
+ state->interface != PHY_INTERFACE_MODE_1000BASEX &&
+ state->interface != PHY_INTERFACE_MODE_MII &&
+ state->interface != PHY_INTERFACE_MODE_REVMII &&
+ state->interface != PHY_INTERFACE_MODE_GMII &&
+ state->interface != PHY_INTERFACE_MODE_QSGMII &&
+ state->interface != PHY_INTERFACE_MODE_XGMII &&
+ state->interface != PHY_INTERFACE_MODE_HSGMII &&
+ state->interface != PHY_INTERFACE_MODE_10GBASER &&
+ state->interface != PHY_INTERFACE_MODE_10GKR &&
+ state->interface != PHY_INTERFACE_MODE_USXGMII &&
+ state->interface != PHY_INTERFACE_MODE_INTERNAL &&
+ state->interface != PHY_INTERFACE_MODE_SGMII) {
+ bitmap_zero(supported, __ETHTOOL_LINK_MODE_MASK_NBITS);
+ dev_err(ds->dev,
+ "Unsupported interface: %d for port %d\n",
+ state->interface, port);
+ return;
+ }
+
+ /* Allow all the expected bits */
+ phylink_set(mask, Autoneg);
+ phylink_set_port_modes(mask);
+ phylink_set(mask, Pause);
+ phylink_set(mask, Asym_Pause);
+
+ /* With the exclusion of MII and Reverse MII, we support Gigabit,
+ * including Half duplex
+ */
+ if (state->interface != PHY_INTERFACE_MODE_MII &&
+ state->interface != PHY_INTERFACE_MODE_REVMII) {
+ phylink_set(mask, 1000baseT_Full);
+ phylink_set(mask, 1000baseT_Half);
+ }
+
+ // Internal phys of the RTL93xx family provide 10G
+ if (priv->ports[port].phy_is_integrated
+ && state->interface == PHY_INTERFACE_MODE_1000BASEX) {
+ phylink_set(mask, 1000baseX_Full);
+ } else if (priv->ports[port].phy_is_integrated) {
+ phylink_set(mask, 1000baseX_Full);
+ phylink_set(mask, 10000baseKR_Full);
+ phylink_set(mask, 10000baseSR_Full);
+ phylink_set(mask, 10000baseCR_Full);
+ }
+ if (state->interface == PHY_INTERFACE_MODE_INTERNAL) {
+ phylink_set(mask, 1000baseX_Full);
+ phylink_set(mask, 1000baseT_Full);
+ phylink_set(mask, 10000baseKR_Full);
+ phylink_set(mask, 10000baseT_Full);
+ phylink_set(mask, 10000baseSR_Full);
+ phylink_set(mask, 10000baseCR_Full);
+ }
+
+ if (state->interface == PHY_INTERFACE_MODE_USXGMII)
+ phylink_set(mask, 10000baseT_Full);
+
+ phylink_set(mask, 10baseT_Half);
+ phylink_set(mask, 10baseT_Full);
+ phylink_set(mask, 100baseT_Half);
+ phylink_set(mask, 100baseT_Full);
+
+ bitmap_and(supported, supported, mask,
+ __ETHTOOL_LINK_MODE_MASK_NBITS);
+ bitmap_and(state->advertising, state->advertising, mask,
+ __ETHTOOL_LINK_MODE_MASK_NBITS);
+ pr_debug("%s leaving supported: %*pb", __func__, __ETHTOOL_LINK_MODE_MASK_NBITS, supported);
+}
+
+static int rtl83xx_phylink_mac_link_state(struct dsa_switch *ds, int port,
+ struct phylink_link_state *state)
+{
+ struct rtl838x_switch_priv *priv = ds->priv;
+ u64 speed;
+ u64 link;
+
+ if (port < 0 || port > priv->cpu_port)
+ return -EINVAL;
+
+ state->link = 0;
+ link = priv->r->get_port_reg_le(priv->r->mac_link_sts);
+ if (link & BIT_ULL(port))
+ state->link = 1;
+ pr_debug("%s: link state port %d: %llx\n", __func__, port, link & BIT_ULL(port));
+
+ state->duplex = 0;
+ if (priv->r->get_port_reg_le(priv->r->mac_link_dup_sts) & BIT_ULL(port))
+ state->duplex = 1;
+
+ speed = priv->r->get_port_reg_le(priv->r->mac_link_spd_sts(port));
+ speed >>= (port % 16) << 1;
+ switch (speed & 0x3) {
+ case 0:
+ state->speed = SPEED_10;
+ break;
+ case 1:
+ state->speed = SPEED_100;
+ break;
+ case 2:
+ state->speed = SPEED_1000;
+ break;
+ case 3:
+ if (priv->family_id == RTL9300_FAMILY_ID
+ && (port == 24 || port == 26)) /* Internal serdes */
+ state->speed = SPEED_2500;
+ else
+ state->speed = SPEED_100; /* Is in fact 500Mbit */
+ }
+
+ state->pause &= (MLO_PAUSE_RX | MLO_PAUSE_TX);
+ if (priv->r->get_port_reg_le(priv->r->mac_rx_pause_sts) & BIT_ULL(port))
+ state->pause |= MLO_PAUSE_RX;
+ if (priv->r->get_port_reg_le(priv->r->mac_tx_pause_sts) & BIT_ULL(port))
+ state->pause |= MLO_PAUSE_TX;
+ return 1;
+}
+
+static int rtl93xx_phylink_mac_link_state(struct dsa_switch *ds, int port,
+ struct phylink_link_state *state)
+{
+ struct rtl838x_switch_priv *priv = ds->priv;
+ u64 speed;
+ u64 link;
+ u64 media;
+
+ if (port < 0 || port > priv->cpu_port)
+ return -EINVAL;
+
+ /*
+ * On the RTL9300 for at least the RTL8226B PHY, the MAC-side link
+ * state needs to be read twice in order to read a correct result.
+ * This would not be necessary for ports connected e.g. to RTL8218D
+ * PHYs.
+ */
+ state->link = 0;
+ link = priv->r->get_port_reg_le(priv->r->mac_link_sts);
+ link = priv->r->get_port_reg_le(priv->r->mac_link_sts);
+ if (link & BIT_ULL(port))
+ state->link = 1;
+
+ if (priv->family_id == RTL9310_FAMILY_ID)
+ media = priv->r->get_port_reg_le(RTL931X_MAC_LINK_MEDIA_STS);
+
+ if (priv->family_id == RTL9300_FAMILY_ID)
+ media = sw_r32(RTL930X_MAC_LINK_MEDIA_STS);
+
+ if (media & BIT_ULL(port))
+ state->link = 1;
+
+ pr_debug("%s: link state port %d: %llx, media %llx\n", __func__, port,
+ link & BIT_ULL(port), media);
+
+ state->duplex = 0;
+ if (priv->r->get_port_reg_le(priv->r->mac_link_dup_sts) & BIT_ULL(port))
+ state->duplex = 1;
+
+ speed = priv->r->get_port_reg_le(priv->r->mac_link_spd_sts(port));
+ speed >>= (port % 8) << 2;
+ switch (speed & 0xf) {
+ case 0:
+ state->speed = SPEED_10;
+ break;
+ case 1:
+ state->speed = SPEED_100;
+ break;
+ case 2:
+ case 7:
+ state->speed = SPEED_1000;
+ break;
+ case 4:
+ state->speed = SPEED_10000;
+ break;
+ case 5:
+ case 8:
+ state->speed = SPEED_2500;
+ break;
+ case 6:
+ state->speed = SPEED_5000;
+ break;
+ default:
+ pr_err("%s: unknown speed: %d\n", __func__, (u32)speed & 0xf);
+ }
+
+ if (priv->family_id == RTL9310_FAMILY_ID
+ && (port >= 52 || port <= 55)) { /* Internal serdes */
+ state->speed = SPEED_10000;
+ state->link = 1;
+ state->duplex = 1;
+ }
+
+ pr_debug("%s: speed is: %d %d\n", __func__, (u32)speed & 0xf, state->speed);
+ state->pause &= (MLO_PAUSE_RX | MLO_PAUSE_TX);
+ if (priv->r->get_port_reg_le(priv->r->mac_rx_pause_sts) & BIT_ULL(port))
+ state->pause |= MLO_PAUSE_RX;
+ if (priv->r->get_port_reg_le(priv->r->mac_tx_pause_sts) & BIT_ULL(port))
+ state->pause |= MLO_PAUSE_TX;
+ return 1;
+}
+
+static void rtl83xx_config_interface(int port, phy_interface_t interface)
+{
+ u32 old, int_shift, sds_shift;
+
+ switch (port) {
+ case 24:
+ int_shift = 0;
+ sds_shift = 5;
+ break;
+ case 26:
+ int_shift = 3;
+ sds_shift = 0;
+ break;
+ default:
+ return;
+ }
+
+ old = sw_r32(RTL838X_SDS_MODE_SEL);
+ switch (interface) {
+ case PHY_INTERFACE_MODE_1000BASEX:
+ if ((old >> sds_shift & 0x1f) == 4)
+ return;
+ sw_w32_mask(0x7 << int_shift, 1 << int_shift, RTL838X_INT_MODE_CTRL);
+ sw_w32_mask(0x1f << sds_shift, 4 << sds_shift, RTL838X_SDS_MODE_SEL);
+ break;
+ case PHY_INTERFACE_MODE_SGMII:
+ if ((old >> sds_shift & 0x1f) == 2)
+ return;
+ sw_w32_mask(0x7 << int_shift, 2 << int_shift, RTL838X_INT_MODE_CTRL);
+ sw_w32_mask(0x1f << sds_shift, 2 << sds_shift, RTL838X_SDS_MODE_SEL);
+ break;
+ default:
+ return;
+ }
+ pr_debug("configured port %d for interface %s\n", port, phy_modes(interface));
+}
+
+static void rtl83xx_phylink_mac_config(struct dsa_switch *ds, int port,
+ unsigned int mode,
+ const struct phylink_link_state *state)
+{
+ struct rtl838x_switch_priv *priv = ds->priv;
+ u32 reg;
+ int speed_bit = priv->family_id == RTL8380_FAMILY_ID ? 4 : 3;
+
+ pr_debug("%s port %d, mode %x\n", __func__, port, mode);
+
+ if (port == priv->cpu_port) {
+ /* Set Speed, duplex, flow control
+ * FORCE_EN | LINK_EN | NWAY_EN | DUP_SEL
+ * | SPD_SEL = 0b10 | FORCE_FC_EN | PHY_MASTER_SLV_MANUAL_EN
+ * | MEDIA_SEL
+ */
+ if (priv->family_id == RTL8380_FAMILY_ID) {
+ sw_w32(0x6192F, priv->r->mac_force_mode_ctrl(priv->cpu_port));
+ /* allow CRC errors on CPU-port */
+ sw_w32_mask(0, 0x8, RTL838X_MAC_PORT_CTRL(priv->cpu_port));
+ } else {
+ sw_w32_mask(0, 3, priv->r->mac_force_mode_ctrl(priv->cpu_port));
+ }
+ return;
+ }
+
+ reg = sw_r32(priv->r->mac_force_mode_ctrl(port));
+ /* Auto-Negotiation does not work for MAC in RTL8390 */
+ if (priv->family_id == RTL8380_FAMILY_ID) {
+ if (mode == MLO_AN_PHY || phylink_autoneg_inband(mode)) {
+ pr_debug("PHY autonegotiates\n");
+ reg |= RTL838X_NWAY_EN;
+ sw_w32(reg, priv->r->mac_force_mode_ctrl(port));
+ rtl83xx_config_interface(port, state->interface);
+ return;
+ }
+ }
+
+ if (mode != MLO_AN_FIXED)
+ pr_debug("Fixed state.\n");
+
+ /* Clear id_mode_dis bit, and the existing port mode, let
+ * RGMII_MODE_EN bet set by mac_link_{up,down} */
+ if (priv->family_id == RTL8380_FAMILY_ID) {
+ reg &= ~(RTL838X_RX_PAUSE_EN | RTL838X_TX_PAUSE_EN);
+ if (state->pause & MLO_PAUSE_TXRX_MASK) {
+ if (state->pause & MLO_PAUSE_TX)
+ reg |= RTL838X_TX_PAUSE_EN;
+ reg |= RTL838X_RX_PAUSE_EN;
+ }
+ } else if (priv->family_id == RTL8390_FAMILY_ID) {
+ reg &= ~(RTL839X_RX_PAUSE_EN | RTL839X_TX_PAUSE_EN);
+ if (state->pause & MLO_PAUSE_TXRX_MASK) {
+ if (state->pause & MLO_PAUSE_TX)
+ reg |= RTL839X_TX_PAUSE_EN;
+ reg |= RTL839X_RX_PAUSE_EN;
+ }
+ }
+
+
+ reg &= ~(3 << speed_bit);
+ switch (state->speed) {
+ case SPEED_1000:
+ reg |= 2 << speed_bit;
+ break;
+ case SPEED_100:
+ reg |= 1 << speed_bit;
+ break;
+ default:
+ break; // Ignore, including 10MBit which has a speed value of 0
+ }
+
+ if (priv->family_id == RTL8380_FAMILY_ID) {
+ reg &= ~(RTL838X_DUPLEX_MODE | RTL838X_FORCE_LINK_EN);
+ if (state->link)
+ reg |= RTL838X_FORCE_LINK_EN;
+ if (state->duplex == RTL838X_DUPLEX_MODE)
+ reg |= RTL838X_DUPLEX_MODE;
+ } else if (priv->family_id == RTL8390_FAMILY_ID) {
+ reg &= ~(RTL839X_DUPLEX_MODE | RTL839X_FORCE_LINK_EN);
+ if (state->link)
+ reg |= RTL839X_FORCE_LINK_EN;
+ if (state->duplex == RTL839X_DUPLEX_MODE)
+ reg |= RTL839X_DUPLEX_MODE;
+ }
+
+ // LAG members must use DUPLEX and we need to enable the link
+ if (priv->lagmembers & BIT_ULL(port)) {
+ switch(priv->family_id) {
+ case RTL8380_FAMILY_ID:
+ reg |= (RTL838X_DUPLEX_MODE | RTL838X_FORCE_LINK_EN);
+ break;
+ case RTL8390_FAMILY_ID:
+ reg |= (RTL839X_DUPLEX_MODE | RTL839X_FORCE_LINK_EN);
+ break;
+ }
+ }
+
+ // Disable AN
+ if (priv->family_id == RTL8380_FAMILY_ID)
+ reg &= ~RTL838X_NWAY_EN;
+ sw_w32(reg, priv->r->mac_force_mode_ctrl(port));
+}
+
+static void rtl931x_phylink_mac_config(struct dsa_switch *ds, int port,
+ unsigned int mode,
+ const struct phylink_link_state *state)
+{
+ struct rtl838x_switch_priv *priv = ds->priv;
+ int sds_num;
+ u32 reg, band;
+
+ sds_num = priv->ports[port].sds_num;
+ pr_info("%s: speed %d sds_num %d\n", __func__, state->speed, sds_num);
+
+ switch (state->interface) {
+ case PHY_INTERFACE_MODE_HSGMII:
+ pr_info("%s setting mode PHY_INTERFACE_MODE_HSGMII\n", __func__);
+ band = rtl931x_sds_cmu_band_get(sds_num, PHY_INTERFACE_MODE_HSGMII);
+ rtl931x_sds_init(sds_num, PHY_INTERFACE_MODE_HSGMII);
+ band = rtl931x_sds_cmu_band_set(sds_num, true, 62, PHY_INTERFACE_MODE_HSGMII);
+ break;
+ case PHY_INTERFACE_MODE_1000BASEX:
+ band = rtl931x_sds_cmu_band_get(sds_num, PHY_INTERFACE_MODE_1000BASEX);
+ rtl931x_sds_init(sds_num, PHY_INTERFACE_MODE_1000BASEX);
+ break;
+ case PHY_INTERFACE_MODE_XGMII:
+ band = rtl931x_sds_cmu_band_get(sds_num, PHY_INTERFACE_MODE_XGMII);
+ rtl931x_sds_init(sds_num, PHY_INTERFACE_MODE_XGMII);
+ break;
+ case PHY_INTERFACE_MODE_10GBASER:
+ case PHY_INTERFACE_MODE_10GKR:
+ band = rtl931x_sds_cmu_band_get(sds_num, PHY_INTERFACE_MODE_10GBASER);
+ rtl931x_sds_init(sds_num, PHY_INTERFACE_MODE_10GBASER);
+ break;
+ case PHY_INTERFACE_MODE_USXGMII:
+ // Translates to MII_USXGMII_10GSXGMII
+ band = rtl931x_sds_cmu_band_get(sds_num, PHY_INTERFACE_MODE_USXGMII);
+ rtl931x_sds_init(sds_num, PHY_INTERFACE_MODE_USXGMII);
+ break;
+ case PHY_INTERFACE_MODE_SGMII:
+ pr_info("%s setting mode PHY_INTERFACE_MODE_SGMII\n", __func__);
+ band = rtl931x_sds_cmu_band_get(sds_num, PHY_INTERFACE_MODE_SGMII);
+ rtl931x_sds_init(sds_num, PHY_INTERFACE_MODE_SGMII);
+ band = rtl931x_sds_cmu_band_set(sds_num, true, 62, PHY_INTERFACE_MODE_SGMII);
+ break;
+ case PHY_INTERFACE_MODE_QSGMII:
+ band = rtl931x_sds_cmu_band_get(sds_num, PHY_INTERFACE_MODE_QSGMII);
+ rtl931x_sds_init(sds_num, PHY_INTERFACE_MODE_QSGMII);
+ break;
+ default:
+ pr_err("%s: unknown serdes mode: %s\n",
+ __func__, phy_modes(state->interface));
+ return;
+ }
+
+ reg = sw_r32(priv->r->mac_force_mode_ctrl(port));
+ pr_info("%s reading FORCE_MODE_CTRL: %08x\n", __func__, reg);
+
+ reg &= ~(RTL931X_DUPLEX_MODE | RTL931X_FORCE_EN | RTL931X_FORCE_LINK_EN);
+
+ reg &= ~(0xf << 12);
+ reg |= 0x2 << 12; // Set SMI speed to 0x2
+
+ reg |= RTL931X_TX_PAUSE_EN | RTL931X_RX_PAUSE_EN;
+
+ if (priv->lagmembers & BIT_ULL(port))
+ reg |= RTL931X_DUPLEX_MODE;
+
+ if (state->duplex == DUPLEX_FULL)
+ reg |= RTL931X_DUPLEX_MODE;
+
+ sw_w32(reg, priv->r->mac_force_mode_ctrl(port));
+
+}
+
+static void rtl93xx_phylink_mac_config(struct dsa_switch *ds, int port,
+ unsigned int mode,
+ const struct phylink_link_state *state)
+{
+ struct rtl838x_switch_priv *priv = ds->priv;
+ int sds_num, sds_mode;
+ u32 reg;
+
+ pr_info("%s port %d, mode %x, phy-mode: %s, speed %d, link %d\n", __func__,
+ port, mode, phy_modes(state->interface), state->speed, state->link);
+
+ // Nothing to be done for the CPU-port
+ if (port == priv->cpu_port)
+ return;
+
+ if (priv->family_id == RTL9310_FAMILY_ID)
+ return rtl931x_phylink_mac_config(ds, port, mode, state);
+
+ sds_num = priv->ports[port].sds_num;
+ pr_info("%s SDS is %d\n", __func__, sds_num);
+ if (sds_num >= 0) {
+ switch (state->interface) {
+ case PHY_INTERFACE_MODE_HSGMII:
+ sds_mode = 0x12;
+ break;
+ case PHY_INTERFACE_MODE_1000BASEX:
+ sds_mode = 0x04;
+ break;
+ case PHY_INTERFACE_MODE_XGMII:
+ sds_mode = 0x10;
+ break;
+ case PHY_INTERFACE_MODE_10GBASER:
+ case PHY_INTERFACE_MODE_10GKR:
+ sds_mode = 0x1b; // 10G 1000X Auto
+ break;
+ case PHY_INTERFACE_MODE_USXGMII:
+ sds_mode = 0x0d;
+ break;
+ default:
+ pr_err("%s: unknown serdes mode: %s\n",
+ __func__, phy_modes(state->interface));
+ return;
+ }
+ if (state->interface == PHY_INTERFACE_MODE_10GBASER)
+ rtl9300_serdes_setup(sds_num, state->interface);
+ }
+
+ reg = sw_r32(priv->r->mac_force_mode_ctrl(port));
+ reg &= ~(0xf << 3);
+
+ switch (state->speed) {
+ case SPEED_10000:
+ reg |= 4 << 3;
+ break;
+ case SPEED_5000:
+ reg |= 6 << 3;
+ break;
+ case SPEED_2500:
+ reg |= 5 << 3;
+ break;
+ case SPEED_1000:
+ reg |= 2 << 3;
+ break;
+ default:
+ reg |= 2 << 3;
+ break;
+ }
+
+ if (state->link)
+ reg |= RTL930X_FORCE_LINK_EN;
+
+ if (priv->lagmembers & BIT_ULL(port))
+ reg |= RTL930X_DUPLEX_MODE | RTL930X_FORCE_LINK_EN;
+
+ if (state->duplex == DUPLEX_FULL)
+ reg |= RTL930X_DUPLEX_MODE;
+
+ if (priv->ports[port].phy_is_integrated)
+ reg &= ~RTL930X_FORCE_EN; // Clear MAC_FORCE_EN to allow SDS-MAC link
+ else
+ reg |= RTL930X_FORCE_EN;
+
+ sw_w32(reg, priv->r->mac_force_mode_ctrl(port));
+}
+
+static void rtl83xx_phylink_mac_link_down(struct dsa_switch *ds, int port,
+ unsigned int mode,
+ phy_interface_t interface)
+{
+ struct rtl838x_switch_priv *priv = ds->priv;
+
+ /* Stop TX/RX to port */
+ sw_w32_mask(0x3, 0, priv->r->mac_port_ctrl(port));
+
+ // No longer force link
+ sw_w32_mask(0x3, 0, priv->r->mac_force_mode_ctrl(port));
+}
+
+static void rtl93xx_phylink_mac_link_down(struct dsa_switch *ds, int port,
+ unsigned int mode,
+ phy_interface_t interface)
+{
+ struct rtl838x_switch_priv *priv = ds->priv;
+ u32 v = 0;
+
+ /* Stop TX/RX to port */
+ sw_w32_mask(0x3, 0, priv->r->mac_port_ctrl(port));
+
+ // No longer force link
+ if (priv->family_id == RTL9300_FAMILY_ID)
+ v = RTL930X_FORCE_EN | RTL930X_FORCE_LINK_EN;
+ else if (priv->family_id == RTL9310_FAMILY_ID)
+ v = RTL931X_FORCE_EN | RTL931X_FORCE_LINK_EN;
+ sw_w32_mask(v, 0, priv->r->mac_force_mode_ctrl(port));
+}
+
+static void rtl83xx_phylink_mac_link_up(struct dsa_switch *ds, int port,
+ unsigned int mode,
+ phy_interface_t interface,
+ struct phy_device *phydev,
+ int speed, int duplex,
+ bool tx_pause, bool rx_pause)
+{
+ struct rtl838x_switch_priv *priv = ds->priv;
+ /* Restart TX/RX to port */
+ sw_w32_mask(0, 0x3, priv->r->mac_port_ctrl(port));
+ // TODO: Set speed/duplex/pauses
+}
+
+static void rtl93xx_phylink_mac_link_up(struct dsa_switch *ds, int port,
+ unsigned int mode,
+ phy_interface_t interface,
+ struct phy_device *phydev,
+ int speed, int duplex,
+ bool tx_pause, bool rx_pause)
+{
+ struct rtl838x_switch_priv *priv = ds->priv;
+
+ /* Restart TX/RX to port */
+ sw_w32_mask(0, 0x3, priv->r->mac_port_ctrl(port));
+ // TODO: Set speed/duplex/pauses
+}
+
+static void rtl83xx_get_strings(struct dsa_switch *ds,
+ int port, u32 stringset, u8 *data)
+{
+ int i;
+
+ if (stringset != ETH_SS_STATS)
+ return;
+
+ for (i = 0; i < ARRAY_SIZE(rtl83xx_mib); i++)
+ strncpy(data + i * ETH_GSTRING_LEN, rtl83xx_mib[i].name,
+ ETH_GSTRING_LEN);
+}
+
+static void rtl83xx_get_ethtool_stats(struct dsa_switch *ds, int port,
+ uint64_t *data)
+{
+ struct rtl838x_switch_priv *priv = ds->priv;
+ const struct rtl83xx_mib_desc *mib;
+ int i;
+ u64 h;
+
+ for (i = 0; i < ARRAY_SIZE(rtl83xx_mib); i++) {
+ mib = &rtl83xx_mib[i];
+
+ data[i] = sw_r32(priv->r->stat_port_std_mib + (port << 8) + 252 - mib->offset);
+ if (mib->size == 2) {
+ h = sw_r32(priv->r->stat_port_std_mib + (port << 8) + 248 - mib->offset);
+ data[i] |= h << 32;
+ }
+ }
+}
+
+static int rtl83xx_get_sset_count(struct dsa_switch *ds, int port, int sset)
+{
+ if (sset != ETH_SS_STATS)
+ return 0;
+
+ return ARRAY_SIZE(rtl83xx_mib);
+}
+
+static int rtl83xx_mc_group_alloc(struct rtl838x_switch_priv *priv, int port)
+{
+ int mc_group = find_first_zero_bit(priv->mc_group_bm, MAX_MC_GROUPS - 1);
+ u64 portmask;
+
+ if (mc_group >= MAX_MC_GROUPS - 1)
+ return -1;
+
+ if (priv->is_lagmember[port]) {
+ pr_info("%s: %d is lag slave. ignore\n", __func__, port);
+ return 0;
+ }
+
+ set_bit(mc_group, priv->mc_group_bm);
+ mc_group++; // We cannot use group 0, as this is used for lookup miss flooding
+ portmask = BIT_ULL(port) | BIT_ULL(priv->cpu_port);
+ priv->r->write_mcast_pmask(mc_group, portmask);
+
+ return mc_group;
+}
+
+static u64 rtl83xx_mc_group_add_port(struct rtl838x_switch_priv *priv, int mc_group, int port)
+{
+ u64 portmask = priv->r->read_mcast_pmask(mc_group);
+
+ pr_debug("%s: %d\n", __func__, port);
+ if (priv->is_lagmember[port]) {
+ pr_info("%s: %d is lag slave. ignore\n", __func__, port);
+ return portmask;
+ }
+ portmask |= BIT_ULL(port);
+ priv->r->write_mcast_pmask(mc_group, portmask);
+
+ return portmask;
+}
+
+static u64 rtl83xx_mc_group_del_port(struct rtl838x_switch_priv *priv, int mc_group, int port)
+{
+ u64 portmask = priv->r->read_mcast_pmask(mc_group);
+
+ pr_debug("%s: %d\n", __func__, port);
+ if (priv->is_lagmember[port]) {
+ pr_info("%s: %d is lag slave. ignore\n", __func__, port);
+ return portmask;
+ }
+ priv->r->write_mcast_pmask(mc_group, portmask);
+ if (portmask == BIT_ULL(priv->cpu_port)) {
+ portmask &= ~BIT_ULL(priv->cpu_port);
+ priv->r->write_mcast_pmask(mc_group, portmask);
+ clear_bit(mc_group, priv->mc_group_bm);
+ }
+
+ return portmask;
+}
+
+static void store_mcgroups(struct rtl838x_switch_priv *priv, int port)
+{
+ int mc_group;
+
+ for (mc_group = 0; mc_group < MAX_MC_GROUPS; mc_group++) {
+ u64 portmask = priv->r->read_mcast_pmask(mc_group);
+ if (portmask & BIT_ULL(port)) {
+ priv->mc_group_saves[mc_group] = port;
+ rtl83xx_mc_group_del_port(priv, mc_group, port);
+ }
+ }
+}
+
+static void load_mcgroups(struct rtl838x_switch_priv *priv, int port)
+{
+ int mc_group;
+
+ for (mc_group = 0; mc_group < MAX_MC_GROUPS; mc_group++) {
+ if (priv->mc_group_saves[mc_group] == port) {
+ rtl83xx_mc_group_add_port(priv, mc_group, port);
+ priv->mc_group_saves[mc_group] = -1;
+ }
+ }
+}
+
+static int rtl83xx_port_enable(struct dsa_switch *ds, int port,
+ struct phy_device *phydev)
+{
+ struct rtl838x_switch_priv *priv = ds->priv;
+ u64 v;
+
+ pr_debug("%s: %x %d", __func__, (u32) priv, port);
+ priv->ports[port].enable = true;
+
+ /* enable inner tagging on egress, do not keep any tags */
+ priv->r->vlan_port_keep_tag_set(port, 0, 1);
+
+ if (dsa_is_cpu_port(ds, port))
+ return 0;
+
+ /* add port to switch mask of CPU_PORT */
+ priv->r->traffic_enable(priv->cpu_port, port);
+
+ load_mcgroups(priv, port);
+
+ if (priv->is_lagmember[port]) {
+ pr_debug("%s: %d is lag slave. ignore\n", __func__, port);
+ return 0;
+ }
+
+ /* add all other ports in the same bridge to switch mask of port */
+ v = priv->r->traffic_get(port);
+ v |= priv->ports[port].pm;
+ priv->r->traffic_set(port, v);
+
+ // TODO: Figure out if this is necessary
+ if (priv->family_id == RTL9300_FAMILY_ID) {
+ sw_w32_mask(0, BIT(port), RTL930X_L2_PORT_SABLK_CTRL);
+ sw_w32_mask(0, BIT(port), RTL930X_L2_PORT_DABLK_CTRL);
+ }
+
+ if (priv->ports[port].sds_num < 0)
+ priv->ports[port].sds_num = rtl93xx_get_sds(phydev);
+
+ return 0;
+}
+
+static void rtl83xx_port_disable(struct dsa_switch *ds, int port)
+{
+ struct rtl838x_switch_priv *priv = ds->priv;
+ u64 v;
+
+ pr_debug("%s %x: %d", __func__, (u32)priv, port);
+ /* you can only disable user ports */
+ if (!dsa_is_user_port(ds, port))
+ return;
+
+ // BUG: This does not work on RTL931X
+ /* remove port from switch mask of CPU_PORT */
+ priv->r->traffic_disable(priv->cpu_port, port);
+ store_mcgroups(priv, port);
+
+ /* remove all other ports in the same bridge from switch mask of port */
+ v = priv->r->traffic_get(port);
+ v &= ~priv->ports[port].pm;
+ priv->r->traffic_set(port, v);
+
+ priv->ports[port].enable = false;
+}
+
+static int rtl83xx_set_mac_eee(struct dsa_switch *ds, int port,
+ struct ethtool_eee *e)
+{
+ struct rtl838x_switch_priv *priv = ds->priv;
+
+ if (e->eee_enabled && !priv->eee_enabled) {
+ pr_info("Globally enabling EEE\n");
+ priv->r->init_eee(priv, true);
+ }
+
+ priv->r->port_eee_set(priv, port, e->eee_enabled);
+
+ if (e->eee_enabled)
+ pr_info("Enabled EEE for port %d\n", port);
+ else
+ pr_info("Disabled EEE for port %d\n", port);
+ return 0;
+}
+
+static int rtl83xx_get_mac_eee(struct dsa_switch *ds, int port,
+ struct ethtool_eee *e)
+{
+ struct rtl838x_switch_priv *priv = ds->priv;
+
+ e->supported = SUPPORTED_100baseT_Full | SUPPORTED_1000baseT_Full;
+
+ priv->r->eee_port_ability(priv, e, port);
+
+ e->eee_enabled = priv->ports[port].eee_enabled;
+
+ e->eee_active = !!(e->advertised & e->lp_advertised);
+
+ return 0;
+}
+
+static int rtl93xx_get_mac_eee(struct dsa_switch *ds, int port,
+ struct ethtool_eee *e)
+{
+ struct rtl838x_switch_priv *priv = ds->priv;
+
+ e->supported = SUPPORTED_100baseT_Full | SUPPORTED_1000baseT_Full
+ | SUPPORTED_2500baseX_Full;
+
+ priv->r->eee_port_ability(priv, e, port);
+
+ e->eee_enabled = priv->ports[port].eee_enabled;
+
+ e->eee_active = !!(e->advertised & e->lp_advertised);
+
+ return 0;
+}
+
+static int rtl83xx_set_ageing_time(struct dsa_switch *ds, unsigned int msec)
+{
+ struct rtl838x_switch_priv *priv = ds->priv;
+
+ priv->r->set_ageing_time(msec);
+ return 0;
+}
+
+static int rtl83xx_port_bridge_join(struct dsa_switch *ds, int port,
+ struct net_device *bridge)
+{
+ struct rtl838x_switch_priv *priv = ds->priv;
+ u64 port_bitmap = BIT_ULL(priv->cpu_port), v;
+ int i;
+
+ pr_debug("%s %x: %d %llx", __func__, (u32)priv, port, port_bitmap);
+
+ if (priv->is_lagmember[port]) {
+ pr_debug("%s: %d is lag slave. ignore\n", __func__, port);
+ return 0;
+ }
+
+ mutex_lock(&priv->reg_mutex);
+ for (i = 0; i < ds->num_ports; i++) {
+ /* Add this port to the port matrix of the other ports in the
+ * same bridge. If the port is disabled, port matrix is kept
+ * and not being setup until the port becomes enabled.
+ */
+ if (dsa_is_user_port(ds, i) && !priv->is_lagmember[i] && i != port) {
+ if (dsa_to_port(ds, i)->bridge_dev != bridge)
+ continue;
+ if (priv->ports[i].enable)
+ priv->r->traffic_enable(i, port);
+
+ priv->ports[i].pm |= BIT_ULL(port);
+ port_bitmap |= BIT_ULL(i);
+ }
+ }
+ load_mcgroups(priv, port);
+
+ /* Add all other ports to this port matrix. */
+ if (priv->ports[port].enable) {
+ priv->r->traffic_enable(priv->cpu_port, port);
+ v = priv->r->traffic_get(port);
+ v |= port_bitmap;
+ priv->r->traffic_set(port, v);
+ }
+ priv->ports[port].pm |= port_bitmap;
+ mutex_unlock(&priv->reg_mutex);
+
+ return 0;
+}
+
+static void rtl83xx_port_bridge_leave(struct dsa_switch *ds, int port,
+ struct net_device *bridge)
+{
+ struct rtl838x_switch_priv *priv = ds->priv;
+ u64 port_bitmap = BIT_ULL(priv->cpu_port), v;
+ int i;
+
+ pr_debug("%s %x: %d", __func__, (u32)priv, port);
+ mutex_lock(&priv->reg_mutex);
+ for (i = 0; i < ds->num_ports; i++) {
+ /* Remove this port from the port matrix of the other ports
+ * in the same bridge. If the port is disabled, port matrix
+ * is kept and not being setup until the port becomes enabled.
+ * And the other port's port matrix cannot be broken when the
+ * other port is still a VLAN-aware port.
+ */
+ if (dsa_is_user_port(ds, i) && i != port) {
+ if (dsa_to_port(ds, i)->bridge_dev != bridge)
+ continue;
+ if (priv->ports[i].enable)
+ priv->r->traffic_disable(i, port);
+
+ priv->ports[i].pm |= BIT_ULL(port);
+ port_bitmap &= ~BIT_ULL(i);
+ }
+ }
+ store_mcgroups(priv, port);
+
+ /* Add all other ports to this port matrix. */
+ if (priv->ports[port].enable) {
+ v = priv->r->traffic_get(port);
+ v |= port_bitmap;
+ priv->r->traffic_set(port, v);
+ }
+ priv->ports[port].pm &= ~port_bitmap;
+
+ mutex_unlock(&priv->reg_mutex);
+}
+
+void rtl83xx_port_stp_state_set(struct dsa_switch *ds, int port, u8 state)
+{
+ u32 msti = 0;
+ u32 port_state[4];
+ int index, bit;
+ int pos = port;
+ struct rtl838x_switch_priv *priv = ds->priv;
+ int n = priv->port_width << 1;
+
+ /* Ports above or equal CPU port can never be configured */
+ if (port >= priv->cpu_port)
+ return;
+
+ mutex_lock(&priv->reg_mutex);
+
+ /* For the RTL839x and following, the bits are left-aligned, 838x and 930x
+ * have 64 bit fields, 839x and 931x have 128 bit fields
+ */
+ if (priv->family_id == RTL8390_FAMILY_ID)
+ pos += 12;
+ if (priv->family_id == RTL9300_FAMILY_ID)
+ pos += 3;
+ if (priv->family_id == RTL9310_FAMILY_ID)
+ pos += 8;
+
+ index = n - (pos >> 4) - 1;
+ bit = (pos << 1) % 32;
+
+ priv->r->stp_get(priv, msti, port_state);
+
+ pr_debug("Current state, port %d: %d\n", port, (port_state[index] >> bit) & 3);
+ port_state[index] &= ~(3 << bit);
+
+ switch (state) {
+ case BR_STATE_DISABLED: /* 0 */
+ port_state[index] |= (0 << bit);
+ break;
+ case BR_STATE_BLOCKING: /* 4 */
+ case BR_STATE_LISTENING: /* 1 */
+ port_state[index] |= (1 << bit);
+ break;
+ case BR_STATE_LEARNING: /* 2 */
+ port_state[index] |= (2 << bit);
+ break;
+ case BR_STATE_FORWARDING: /* 3*/
+ port_state[index] |= (3 << bit);
+ default:
+ break;
+ }
+
+ priv->r->stp_set(priv, msti, port_state);
+
+ mutex_unlock(&priv->reg_mutex);
+}
+
+void rtl83xx_fast_age(struct dsa_switch *ds, int port)
+{
+ struct rtl838x_switch_priv *priv = ds->priv;
+ int s = priv->family_id == RTL8390_FAMILY_ID ? 2 : 0;
+
+ pr_debug("FAST AGE port %d\n", port);
+ mutex_lock(&priv->reg_mutex);
+ /* RTL838X_L2_TBL_FLUSH_CTRL register bits, 839x has 1 bit larger
+ * port fields:
+ * 0-4: Replacing port
+ * 5-9: Flushed/replaced port
+ * 10-21: FVID
+ * 22: Entry types: 1: dynamic, 0: also static
+ * 23: Match flush port
+ * 24: Match FVID
+ * 25: Flush (0) or replace (1) L2 entries
+ * 26: Status of action (1: Start, 0: Done)
+ */
+ sw_w32(1 << (26 + s) | 1 << (23 + s) | port << (5 + (s / 2)), priv->r->l2_tbl_flush_ctrl);
+
+ do { } while (sw_r32(priv->r->l2_tbl_flush_ctrl) & BIT(26 + s));
+
+ mutex_unlock(&priv->reg_mutex);
+}
+
+void rtl931x_fast_age(struct dsa_switch *ds, int port)
+{
+ struct rtl838x_switch_priv *priv = ds->priv;
+
+ pr_info("%s port %d\n", __func__, port);
+ mutex_lock(&priv->reg_mutex);
+ sw_w32(port << 11, RTL931X_L2_TBL_FLUSH_CTRL + 4);
+
+ sw_w32(BIT(24) | BIT(28), RTL931X_L2_TBL_FLUSH_CTRL);
+
+ do { } while (sw_r32(RTL931X_L2_TBL_FLUSH_CTRL) & BIT (28));
+
+ mutex_unlock(&priv->reg_mutex);
+}
+
+void rtl930x_fast_age(struct dsa_switch *ds, int port)
+{
+ struct rtl838x_switch_priv *priv = ds->priv;
+
+ if (priv->family_id == RTL9310_FAMILY_ID)
+ return rtl931x_fast_age(ds, port);
+
+ pr_debug("FAST AGE port %d\n", port);
+ mutex_lock(&priv->reg_mutex);
+ sw_w32(port << 11, RTL930X_L2_TBL_FLUSH_CTRL + 4);
+
+ sw_w32(BIT(26) | BIT(30), RTL930X_L2_TBL_FLUSH_CTRL);
+
+ do { } while (sw_r32(priv->r->l2_tbl_flush_ctrl) & BIT(30));
+
+ mutex_unlock(&priv->reg_mutex);
+}
+
+static int rtl83xx_vlan_filtering(struct dsa_switch *ds, int port,
+ bool vlan_filtering,
+ struct switchdev_trans *trans)
+{
+ struct rtl838x_switch_priv *priv = ds->priv;
+
+ pr_debug("%s: port %d\n", __func__, port);
+ mutex_lock(&priv->reg_mutex);
+
+ if (vlan_filtering) {
+ /* Enable ingress and egress filtering
+ * The VLAN_PORT_IGR_FILTER register uses 2 bits for each port to define
+ * the filter action:
+ * 0: Always Forward
+ * 1: Drop packet
+ * 2: Trap packet to CPU port
+ * The Egress filter used 1 bit per state (0: DISABLED, 1: ENABLED)
+ */
+ if (port != priv->cpu_port)
+ priv->r->set_vlan_igr_filter(port, IGR_DROP);
+
+ priv->r->set_vlan_egr_filter(port, EGR_ENABLE);
+ } else {
+ /* Disable ingress and egress filtering */
+ if (port != priv->cpu_port)
+ priv->r->set_vlan_igr_filter(port, IGR_FORWARD);
+
+ priv->r->set_vlan_egr_filter(port, EGR_DISABLE);
+ }
+
+ /* Do we need to do something to the CPU-Port, too? */
+ mutex_unlock(&priv->reg_mutex);
+
+ return 0;
+}
+
+static int rtl83xx_vlan_prepare(struct dsa_switch *ds, int port,
+ const struct switchdev_obj_port_vlan *vlan)
+{
+ struct rtl838x_vlan_info info;
+ struct rtl838x_switch_priv *priv = ds->priv;
+
+ priv->r->vlan_tables_read(0, &info);
+
+ pr_debug("VLAN 0: Tagged ports %llx, untag %llx, profile %d, MC# %d, UC# %d, FID %x\n",
+ info.tagged_ports, info.untagged_ports, info.profile_id,
+ info.hash_mc_fid, info.hash_uc_fid, info.fid);
+
+ priv->r->vlan_tables_read(1, &info);
+ pr_debug("VLAN 1: Tagged ports %llx, untag %llx, profile %d, MC# %d, UC# %d, FID %x\n",
+ info.tagged_ports, info.untagged_ports, info.profile_id,
+ info.hash_mc_fid, info.hash_uc_fid, info.fid);
+ priv->r->vlan_set_untagged(1, info.untagged_ports);
+ pr_debug("SET: Untagged ports, VLAN %d: %llx\n", 1, info.untagged_ports);
+
+ priv->r->vlan_set_tagged(1, &info);
+ pr_debug("SET: Tagged ports, VLAN %d: %llx\n", 1, info.tagged_ports);
+
+ return 0;
+}
+
+static void rtl83xx_vlan_add(struct dsa_switch *ds, int port,
+ const struct switchdev_obj_port_vlan *vlan)
+{
+ struct rtl838x_vlan_info info;
+ struct rtl838x_switch_priv *priv = ds->priv;
+ int v;
+
+ pr_debug("%s port %d, vid_begin %d, vid_end %d, flags %x\n", __func__,
+ port, vlan->vid_begin, vlan->vid_end, vlan->flags);
+
+ if (vlan->vid_begin > 4095 || vlan->vid_end > 4095) {
+ dev_err(priv->dev, "VLAN out of range: %d - %d",
+ vlan->vid_begin, vlan->vid_end);
+ return;
+ }
+
+ mutex_lock(&priv->reg_mutex);
+
+ if (vlan->flags & BRIDGE_VLAN_INFO_PVID) {
+ for (v = vlan->vid_begin; v <= vlan->vid_end; v++) {
+ if (!v)
+ continue;
+ /* Set both inner and outer PVID of the port */
+ priv->r->vlan_port_pvid_set(port, PBVLAN_TYPE_INNER, v);
+ priv->r->vlan_port_pvid_set(port, PBVLAN_TYPE_OUTER, v);
+ priv->r->vlan_port_pvidmode_set(port, PBVLAN_TYPE_INNER,
+ PBVLAN_MODE_UNTAG_AND_PRITAG);
+ priv->r->vlan_port_pvidmode_set(port, PBVLAN_TYPE_OUTER,
+ PBVLAN_MODE_UNTAG_AND_PRITAG);
+
+ priv->ports[port].pvid = vlan->vid_end;
+ }
+ }
+
+ for (v = vlan->vid_begin; v <= vlan->vid_end; v++) {
+ /* Get port memberships of this vlan */
+ priv->r->vlan_tables_read(v, &info);
+
+ /* new VLAN? */
+ if (!info.tagged_ports) {
+ info.fid = 0;
+ info.hash_mc_fid = false;
+ info.hash_uc_fid = false;
+ info.profile_id = 0;
+ }
+
+ /* sanitize untagged_ports - must be a subset */
+ if (info.untagged_ports & ~info.tagged_ports)
+ info.untagged_ports = 0;
+
+ info.tagged_ports |= BIT_ULL(port);
+ if (vlan->flags & BRIDGE_VLAN_INFO_UNTAGGED)
+ info.untagged_ports |= BIT_ULL(port);
+
+ priv->r->vlan_set_untagged(v, info.untagged_ports);
+ pr_debug("Untagged ports, VLAN %d: %llx\n", v, info.untagged_ports);
+
+ priv->r->vlan_set_tagged(v, &info);
+ pr_debug("Tagged ports, VLAN %d: %llx\n", v, info.tagged_ports);
+ }
+
+ mutex_unlock(&priv->reg_mutex);
+}
+
+static int rtl83xx_vlan_del(struct dsa_switch *ds, int port,
+ const struct switchdev_obj_port_vlan *vlan)
+{
+ struct rtl838x_vlan_info info;
+ struct rtl838x_switch_priv *priv = ds->priv;
+ int v;
+ u16 pvid;
+
+ pr_debug("%s: port %d, vid_begin %d, vid_end %d, flags %x\n", __func__,
+ port, vlan->vid_begin, vlan->vid_end, vlan->flags);
+
+ if (vlan->vid_begin > 4095 || vlan->vid_end > 4095) {
+ dev_err(priv->dev, "VLAN out of range: %d - %d",
+ vlan->vid_begin, vlan->vid_end);
+ return -ENOTSUPP;
+ }
+
+ mutex_lock(&priv->reg_mutex);
+ pvid = priv->ports[port].pvid;
+
+ for (v = vlan->vid_begin; v <= vlan->vid_end; v++) {
+ /* Reset to default if removing the current PVID */
+ if (v == pvid) {
+ priv->r->vlan_port_pvid_set(port, PBVLAN_TYPE_INNER, 0);
+ priv->r->vlan_port_pvid_set(port, PBVLAN_TYPE_OUTER, 0);
+ priv->r->vlan_port_pvidmode_set(port, PBVLAN_TYPE_INNER,
+ PBVLAN_MODE_UNTAG_AND_PRITAG);
+ priv->r->vlan_port_pvidmode_set(port, PBVLAN_TYPE_OUTER,
+ PBVLAN_MODE_UNTAG_AND_PRITAG);
+ }
+ /* Get port memberships of this vlan */
+ priv->r->vlan_tables_read(v, &info);
+
+ /* remove port from both tables */
+ info.untagged_ports &= (~BIT_ULL(port));
+ info.tagged_ports &= (~BIT_ULL(port));
+
+ priv->r->vlan_set_untagged(v, info.untagged_ports);
+ pr_debug("Untagged ports, VLAN %d: %llx\n", v, info.untagged_ports);
+
+ priv->r->vlan_set_tagged(v, &info);
+ pr_debug("Tagged ports, VLAN %d: %llx\n", v, info.tagged_ports);
+ }
+ mutex_unlock(&priv->reg_mutex);
+
+ return 0;
+}
+
+static void rtl83xx_setup_l2_uc_entry(struct rtl838x_l2_entry *e, int port, int vid, u64 mac)
+{
+ memset(e, 0, sizeof(*e));
+
+ e->type = L2_UNICAST;
+ e->valid = true;
+
+ e->age = 3;
+ e->is_static = true;
+
+ e->port = port;
+
+ e->rvid = e->vid = vid;
+ e->is_ip_mc = e->is_ipv6_mc = false;
+ u64_to_ether_addr(mac, e->mac);
+}
+
+static void rtl83xx_setup_l2_mc_entry(struct rtl838x_l2_entry *e, int vid, u64 mac, int mc_group)
+{
+ memset(e, 0, sizeof(*e));
+
+ e->type = L2_MULTICAST;
+ e->valid = true;
+
+ e->mc_portmask_index = mc_group;
+
+ e->rvid = e->vid = vid;
+ e->is_ip_mc = e->is_ipv6_mc = false;
+ u64_to_ether_addr(mac, e->mac);
+}
+
+/*
+ * Uses the seed to identify a hash bucket in the L2 using the derived hash key and then loops
+ * over the entries in the bucket until either a matching entry is found or an empty slot
+ * Returns the filled in rtl838x_l2_entry and the index in the bucket when an entry was found
+ * when an empty slot was found and must exist is false, the index of the slot is returned
+ * when no slots are available returns -1
+ */
+static int rtl83xx_find_l2_hash_entry(struct rtl838x_switch_priv *priv, u64 seed,
+ bool must_exist, struct rtl838x_l2_entry *e)
+{
+ int i, idx = -1;
+ u32 key = priv->r->l2_hash_key(priv, seed);
+ u64 entry;
+
+ pr_debug("%s: using key %x, for seed %016llx\n", __func__, key, seed);
+ // Loop over all entries in the hash-bucket and over the second block on 93xx SoCs
+ for (i = 0; i < priv->l2_bucket_size; i++) {
+ entry = priv->r->read_l2_entry_using_hash(key, i, e);
+ pr_debug("valid %d, mac %016llx\n", e->valid, ether_addr_to_u64(&e->mac[0]));
+ if (must_exist && !e->valid)
+ continue;
+ if (!e->valid || ((entry & 0x0fffffffffffffffULL) == seed)) {
+ idx = i > 3 ? ((key >> 14) & 0xffff) | i >> 1 : ((key << 2) | i) & 0xffff;
+ break;
+ }
+ }
+
+ return idx;
+}
+
+/*
+ * Uses the seed to identify an entry in the CAM by looping over all its entries
+ * Returns the filled in rtl838x_l2_entry and the index in the CAM when an entry was found
+ * when an empty slot was found the index of the slot is returned
+ * when no slots are available returns -1
+ */
+static int rtl83xx_find_l2_cam_entry(struct rtl838x_switch_priv *priv, u64 seed,
+ bool must_exist, struct rtl838x_l2_entry *e)
+{
+ int i, idx = -1;
+ u64 entry;
+
+ for (i = 0; i < 64; i++) {
+ entry = priv->r->read_cam(i, e);
+ if (!must_exist && !e->valid) {
+ if (idx < 0) /* First empty entry? */
+ idx = i;
+ break;
+ } else if ((entry & 0x0fffffffffffffffULL) == seed) {
+ pr_debug("Found entry in CAM\n");
+ idx = i;
+ break;
+ }
+ }
+ return idx;
+}
+
+static int rtl83xx_port_fdb_add(struct dsa_switch *ds, int port,
+ const unsigned char *addr, u16 vid)
+{
+ struct rtl838x_switch_priv *priv = ds->priv;
+ u64 mac = ether_addr_to_u64(addr);
+ struct rtl838x_l2_entry e;
+ int err = 0, idx;
+ u64 seed = priv->r->l2_hash_seed(mac, vid);
+
+ if (priv->is_lagmember[port]) {
+ pr_debug("%s: %d is lag slave. ignore\n", __func__, port);
+ return 0;
+ }
+
+ mutex_lock(&priv->reg_mutex);
+
+ idx = rtl83xx_find_l2_hash_entry(priv, seed, false, &e);
+
+ // Found an existing or empty entry
+ if (idx >= 0) {
+ rtl83xx_setup_l2_uc_entry(&e, port, vid, mac);
+ priv->r->write_l2_entry_using_hash(idx >> 2, idx & 0x3, &e);
+ goto out;
+ }
+
+ // Hash buckets full, try CAM
+ rtl83xx_find_l2_cam_entry(priv, seed, false, &e);
+
+ if (idx >= 0) {
+ rtl83xx_setup_l2_uc_entry(&e, port, vid, mac);
+ priv->r->write_cam(idx, &e);
+ goto out;
+ }
+
+ err = -ENOTSUPP;
+out:
+ mutex_unlock(&priv->reg_mutex);
+ return err;
+}
+
+static int rtl83xx_port_fdb_del(struct dsa_switch *ds, int port,
+ const unsigned char *addr, u16 vid)
+{
+ struct rtl838x_switch_priv *priv = ds->priv;
+ u64 mac = ether_addr_to_u64(addr);
+ struct rtl838x_l2_entry e;
+ int err = 0, idx;
+ u64 seed = priv->r->l2_hash_seed(mac, vid);
+
+ pr_debug("In %s, mac %llx, vid: %d\n", __func__, mac, vid);
+ mutex_lock(&priv->reg_mutex);
+
+ idx = rtl83xx_find_l2_hash_entry(priv, seed, true, &e);
+
+ if (idx >= 0) {
+ pr_debug("Found entry index %d, key %d and bucket %d\n", idx, idx >> 2, idx & 3);
+ e.valid = false;
+ priv->r->write_l2_entry_using_hash(idx >> 2, idx & 0x3, &e);
+ goto out;
+ }
+
+ /* Check CAM for spillover from hash buckets */
+ rtl83xx_find_l2_cam_entry(priv, seed, true, &e);
+
+ if (idx >= 0) {
+ e.valid = false;
+ priv->r->write_cam(idx, &e);
+ goto out;
+ }
+ err = -ENOENT;
+out:
+ mutex_unlock(&priv->reg_mutex);
+ return err;
+}
+
+static int rtl83xx_port_fdb_dump(struct dsa_switch *ds, int port,
+ dsa_fdb_dump_cb_t *cb, void *data)
+{
+ struct rtl838x_l2_entry e;
+ struct rtl838x_switch_priv *priv = ds->priv;
+ int i;
+
+ mutex_lock(&priv->reg_mutex);
+
+ for (i = 0; i < priv->fib_entries; i++) {
+ priv->r->read_l2_entry_using_hash(i >> 2, i & 0x3, &e);
+
+ if (!e.valid)
+ continue;
+
+ if (e.port == port || e.port == RTL930X_PORT_IGNORE)
+ cb(e.mac, e.vid, e.is_static, data);
+ }
+
+ for (i = 0; i < 64; i++) {
+ priv->r->read_cam(i, &e);
+
+ if (!e.valid)
+ continue;
+
+ if (e.port == port)
+ cb(e.mac, e.vid, e.is_static, data);
+ }
+
+ mutex_unlock(&priv->reg_mutex);
+ return 0;
+}
+
+static int rtl83xx_port_mdb_prepare(struct dsa_switch *ds, int port,
+ const struct switchdev_obj_port_mdb *mdb)
+{
+ struct rtl838x_switch_priv *priv = ds->priv;
+
+ if (priv->id >= 0x9300)
+ return -EOPNOTSUPP;
+
+ return 0;
+}
+
+static void rtl83xx_port_mdb_add(struct dsa_switch *ds, int port,
+ const struct switchdev_obj_port_mdb *mdb)
+{
+ struct rtl838x_switch_priv *priv = ds->priv;
+ u64 mac = ether_addr_to_u64(mdb->addr);
+ struct rtl838x_l2_entry e;
+ int err = 0, idx;
+ int vid = mdb->vid;
+ u64 seed = priv->r->l2_hash_seed(mac, vid);
+ int mc_group;
+
+ pr_debug("In %s port %d, mac %llx, vid: %d\n", __func__, port, mac, vid);
+
+ if (priv->is_lagmember[port]) {
+ pr_debug("%s: %d is lag slave. ignore\n", __func__, port);
+ return;
+ }
+
+ mutex_lock(&priv->reg_mutex);
+
+ idx = rtl83xx_find_l2_hash_entry(priv, seed, false, &e);
+
+ // Found an existing or empty entry
+ if (idx >= 0) {
+ if (e.valid) {
+ pr_debug("Found an existing entry %016llx, mc_group %d\n",
+ ether_addr_to_u64(e.mac), e.mc_portmask_index);
+ rtl83xx_mc_group_add_port(priv, e.mc_portmask_index, port);
+ } else {
+ pr_debug("New entry for seed %016llx\n", seed);
+ mc_group = rtl83xx_mc_group_alloc(priv, port);
+ if (mc_group < 0) {
+ err = -ENOTSUPP;
+ goto out;
+ }
+ rtl83xx_setup_l2_mc_entry(&e, vid, mac, mc_group);
+ priv->r->write_l2_entry_using_hash(idx >> 2, idx & 0x3, &e);
+ }
+ goto out;
+ }
+
+ // Hash buckets full, try CAM
+ rtl83xx_find_l2_cam_entry(priv, seed, false, &e);
+
+ if (idx >= 0) {
+ if (e.valid) {
+ pr_debug("Found existing CAM entry %016llx, mc_group %d\n",
+ ether_addr_to_u64(e.mac), e.mc_portmask_index);
+ rtl83xx_mc_group_add_port(priv, e.mc_portmask_index, port);
+ } else {
+ pr_debug("New entry\n");
+ mc_group = rtl83xx_mc_group_alloc(priv, port);
+ if (mc_group < 0) {
+ err = -ENOTSUPP;
+ goto out;
+ }
+ rtl83xx_setup_l2_mc_entry(&e, vid, mac, mc_group);
+ priv->r->write_cam(idx, &e);
+ }
+ goto out;
+ }
+
+ err = -ENOTSUPP;
+out:
+ mutex_unlock(&priv->reg_mutex);
+ if (err)
+ dev_err(ds->dev, "failed to add MDB entry\n");
+}
+
+int rtl83xx_port_mdb_del(struct dsa_switch *ds, int port,
+ const struct switchdev_obj_port_mdb *mdb)
+{
+ struct rtl838x_switch_priv *priv = ds->priv;
+ u64 mac = ether_addr_to_u64(mdb->addr);
+ struct rtl838x_l2_entry e;
+ int err = 0, idx;
+ int vid = mdb->vid;
+ u64 seed = priv->r->l2_hash_seed(mac, vid);
+ u64 portmask;
+
+ pr_debug("In %s, port %d, mac %llx, vid: %d\n", __func__, port, mac, vid);
+
+ if (priv->is_lagmember[port]) {
+ pr_info("%s: %d is lag slave. ignore\n", __func__, port);
+ return 0;
+ }
+
+ mutex_lock(&priv->reg_mutex);
+
+ idx = rtl83xx_find_l2_hash_entry(priv, seed, true, &e);
+
+ if (idx >= 0) {
+ pr_debug("Found entry index %d, key %d and bucket %d\n", idx, idx >> 2, idx & 3);
+ portmask = rtl83xx_mc_group_del_port(priv, e.mc_portmask_index, port);
+ if (!portmask) {
+ e.valid = false;
+ priv->r->write_l2_entry_using_hash(idx >> 2, idx & 0x3, &e);
+ }
+ goto out;
+ }
+
+ /* Check CAM for spillover from hash buckets */
+ rtl83xx_find_l2_cam_entry(priv, seed, true, &e);
+
+ if (idx >= 0) {
+ portmask = rtl83xx_mc_group_del_port(priv, e.mc_portmask_index, port);
+ if (!portmask) {
+ e.valid = false;
+ priv->r->write_cam(idx, &e);
+ }
+ goto out;
+ }
+ // TODO: Re-enable with a newer kernel: err = -ENOENT;
+out:
+ mutex_unlock(&priv->reg_mutex);
+ return err;
+}
+
+static int rtl83xx_port_mirror_add(struct dsa_switch *ds, int port,
+ struct dsa_mall_mirror_tc_entry *mirror,
+ bool ingress)
+{
+ /* We support 4 mirror groups, one destination port per group */
+ int group;
+ struct rtl838x_switch_priv *priv = ds->priv;
+ int ctrl_reg, dpm_reg, spm_reg;
+
+ pr_debug("In %s\n", __func__);
+
+ for (group = 0; group < 4; group++) {
+ if (priv->mirror_group_ports[group] == mirror->to_local_port)
+ break;
+ }
+ if (group >= 4) {
+ for (group = 0; group < 4; group++) {
+ if (priv->mirror_group_ports[group] < 0)
+ break;
+ }
+ }
+
+ if (group >= 4)
+ return -ENOSPC;
+
+ ctrl_reg = priv->r->mir_ctrl + group * 4;
+ dpm_reg = priv->r->mir_dpm + group * 4 * priv->port_width;
+ spm_reg = priv->r->mir_spm + group * 4 * priv->port_width;
+
+ pr_debug("Using group %d\n", group);
+ mutex_lock(&priv->reg_mutex);
+
+ if (priv->family_id == RTL8380_FAMILY_ID) {
+ /* Enable mirroring to port across VLANs (bit 11) */
+ sw_w32(1 << 11 | (mirror->to_local_port << 4) | 1, ctrl_reg);
+ } else {
+ /* Enable mirroring to destination port */
+ sw_w32((mirror->to_local_port << 4) | 1, ctrl_reg);
+ }
+
+ if (ingress && (priv->r->get_port_reg_be(spm_reg) & (1ULL << port))) {
+ mutex_unlock(&priv->reg_mutex);
+ return -EEXIST;
+ }
+ if ((!ingress) && (priv->r->get_port_reg_be(dpm_reg) & (1ULL << port))) {
+ mutex_unlock(&priv->reg_mutex);
+ return -EEXIST;
+ }
+
+ if (ingress)
+ priv->r->mask_port_reg_be(0, 1ULL << port, spm_reg);
+ else
+ priv->r->mask_port_reg_be(0, 1ULL << port, dpm_reg);
+
+ priv->mirror_group_ports[group] = mirror->to_local_port;
+ mutex_unlock(&priv->reg_mutex);
+ return 0;
+}
+
+static void rtl83xx_port_mirror_del(struct dsa_switch *ds, int port,
+ struct dsa_mall_mirror_tc_entry *mirror)
+{
+ int group = 0;
+ struct rtl838x_switch_priv *priv = ds->priv;
+ int ctrl_reg, dpm_reg, spm_reg;
+
+ pr_debug("In %s\n", __func__);
+ for (group = 0; group < 4; group++) {
+ if (priv->mirror_group_ports[group] == mirror->to_local_port)
+ break;
+ }
+ if (group >= 4)
+ return;
+
+ ctrl_reg = priv->r->mir_ctrl + group * 4;
+ dpm_reg = priv->r->mir_dpm + group * 4 * priv->port_width;
+ spm_reg = priv->r->mir_spm + group * 4 * priv->port_width;
+
+ mutex_lock(&priv->reg_mutex);
+ if (mirror->ingress) {
+ /* Ingress, clear source port matrix */
+ priv->r->mask_port_reg_be(1ULL << port, 0, spm_reg);
+ } else {
+ /* Egress, clear destination port matrix */
+ priv->r->mask_port_reg_be(1ULL << port, 0, dpm_reg);
+ }
+
+ if (!(sw_r32(spm_reg) || sw_r32(dpm_reg))) {
+ priv->mirror_group_ports[group] = -1;
+ sw_w32(0, ctrl_reg);
+ }
+
+ mutex_unlock(&priv->reg_mutex);
+}
+
+static int rtl83xx_port_pre_bridge_flags(struct dsa_switch *ds, int port, unsigned long flags, struct netlink_ext_ack *extack)
+{
+ struct rtl838x_switch_priv *priv = ds->priv;
+ unsigned long features = 0;
+ pr_debug("%s: %d %lX\n", __func__, port, flags);
+ if (priv->r->enable_learning)
+ features |= BR_LEARNING;
+ if (priv->r->enable_flood)
+ features |= BR_FLOOD;
+ if (priv->r->enable_mcast_flood)
+ features |= BR_MCAST_FLOOD;
+ if (priv->r->enable_bcast_flood)
+ features |= BR_BCAST_FLOOD;
+ if (flags & ~(features))
+ return -EINVAL;
+
+ return 0;
+}
+
+static int rtl83xx_port_bridge_flags(struct dsa_switch *ds, int port, unsigned long flags, struct netlink_ext_ack *extack)
+{
+ struct rtl838x_switch_priv *priv = ds->priv;
+
+ pr_debug("%s: %d %lX\n", __func__, port, flags);
+ if (priv->r->enable_learning)
+ priv->r->enable_learning(port, !!(flags & BR_LEARNING));
+
+ if (priv->r->enable_flood)
+ priv->r->enable_flood(port, !!(flags & BR_FLOOD));
+
+ if (priv->r->enable_mcast_flood)
+ priv->r->enable_mcast_flood(port, !!(flags & BR_MCAST_FLOOD));
+
+ if (priv->r->enable_bcast_flood)
+ priv->r->enable_bcast_flood(port, !!(flags & BR_BCAST_FLOOD));
+
+ return 0;
+}
+
+static bool rtl83xx_lag_can_offload(struct dsa_switch *ds,
+ struct net_device *lag,
+ struct netdev_lag_upper_info *info)
+{
+ int id;
+
+ id = dsa_lag_id(ds->dst, lag);
+ if (id < 0 || id >= ds->num_lag_ids)
+ return false;
+
+ if (info->tx_type != NETDEV_LAG_TX_TYPE_HASH) {
+ return false;
+ }
+ if (info->hash_type != NETDEV_LAG_HASH_L2 && info->hash_type != NETDEV_LAG_HASH_L23)
+ return false;
+
+ return true;
+}
+
+static int rtl83xx_port_lag_change(struct dsa_switch *ds, int port)
+{
+ struct rtl838x_switch_priv *priv = ds->priv;
+
+ pr_debug("%s: %d\n", __func__, port);
+ // Nothing to be done...
+
+ return 0;
+}
+
+static int rtl83xx_port_lag_join(struct dsa_switch *ds, int port,
+ struct net_device *lag,
+ struct netdev_lag_upper_info *info)
+{
+ struct rtl838x_switch_priv *priv = ds->priv;
+ int i, err = 0;
+
+ if (!rtl83xx_lag_can_offload(ds, lag, info))
+ return -EOPNOTSUPP;
+
+ mutex_lock(&priv->reg_mutex);
+
+ for (i = 0; i < priv->n_lags; i++) {
+ if ((!priv->lag_devs[i]) || (priv->lag_devs[i] == lag))
+ break;
+ }
+ if (port >= priv->cpu_port) {
+ err = -EINVAL;
+ goto out;
+ }
+ pr_info("port_lag_join: group %d, port %d\n",i, port);
+ if (!priv->lag_devs[i])
+ priv->lag_devs[i] = lag;
+
+ if (priv->lag_primary[i]==-1) {
+ priv->lag_primary[i]=port;
+ } else
+ priv->is_lagmember[port] = 1;
+
+ priv->lagmembers |= (1ULL << port);
+
+ pr_debug("lag_members = %llX\n", priv->lagmembers);
+ err = rtl83xx_lag_add(priv->ds, i, port, info);
+ if (err) {
+ err = -EINVAL;
+ goto out;
+ }
+
+out:
+ mutex_unlock(&priv->reg_mutex);
+ return err;
+
+}
+
+static int rtl83xx_port_lag_leave(struct dsa_switch *ds, int port,
+ struct net_device *lag)
+{
+ int i, group = -1, err;
+ struct rtl838x_switch_priv *priv = ds->priv;
+
+ mutex_lock(&priv->reg_mutex);
+ for (i=0;i<priv->n_lags;i++) {
+ if (priv->lags_port_members[i] & BIT_ULL(port)) {
+ group = i;
+ break;
+ }
+ }
+
+ if (group == -1) {
+ pr_info("port_lag_leave: port %d is not a member\n", port);
+ err = -EINVAL;
+ goto out;
+ }
+
+ if (port >= priv->cpu_port) {
+ err = -EINVAL;
+ goto out;
+ }
+ pr_info("port_lag_del: group %d, port %d\n",group, port);
+ priv->lagmembers &=~ (1ULL << port);
+ priv->lag_primary[i] = -1;
+ priv->is_lagmember[port] = 0;
+ pr_debug("lag_members = %llX\n", priv->lagmembers);
+ err = rtl83xx_lag_del(priv->ds, group, port);
+ if (err) {
+ err = -EINVAL;
+ goto out;
+ }
+ if (!priv->lags_port_members[i])
+ priv->lag_devs[i] = NULL;
+
+out:
+ mutex_unlock(&priv->reg_mutex);
+ return 0;
+}
+
+int dsa_phy_read(struct dsa_switch *ds, int phy_addr, int phy_reg)
+{
+ u32 val;
+ u32 offset = 0;
+ struct rtl838x_switch_priv *priv = ds->priv;
+
+ if (phy_addr >= 24 && phy_addr <= 27
+ && priv->ports[24].phy == PHY_RTL838X_SDS) {
+ if (phy_addr == 26)
+ offset = 0x100;
+ val = sw_r32(RTL838X_SDS4_FIB_REG0 + offset + (phy_reg << 2)) & 0xffff;
+ return val;
+ }
+
+ read_phy(phy_addr, 0, phy_reg, &val);
+ return val;
+}
+
+int dsa_phy_write(struct dsa_switch *ds, int phy_addr, int phy_reg, u16 val)
+{
+ u32 offset = 0;
+ struct rtl838x_switch_priv *priv = ds->priv;
+
+ if (phy_addr >= 24 && phy_addr <= 27
+ && priv->ports[24].phy == PHY_RTL838X_SDS) {
+ if (phy_addr == 26)
+ offset = 0x100;
+ sw_w32(val, RTL838X_SDS4_FIB_REG0 + offset + (phy_reg << 2));
+ return 0;
+ }
+ return write_phy(phy_addr, 0, phy_reg, val);
+}
+
+const struct dsa_switch_ops rtl83xx_switch_ops = {
+ .get_tag_protocol = rtl83xx_get_tag_protocol,
+ .setup = rtl83xx_setup,
+
+ .phy_read = dsa_phy_read,
+ .phy_write = dsa_phy_write,
+
+ .phylink_validate = rtl83xx_phylink_validate,
+ .phylink_mac_link_state = rtl83xx_phylink_mac_link_state,
+ .phylink_mac_config = rtl83xx_phylink_mac_config,
+ .phylink_mac_link_down = rtl83xx_phylink_mac_link_down,
+ .phylink_mac_link_up = rtl83xx_phylink_mac_link_up,
+
+ .get_strings = rtl83xx_get_strings,
+ .get_ethtool_stats = rtl83xx_get_ethtool_stats,
+ .get_sset_count = rtl83xx_get_sset_count,
+
+ .port_enable = rtl83xx_port_enable,
+ .port_disable = rtl83xx_port_disable,
+
+ .get_mac_eee = rtl83xx_get_mac_eee,
+ .set_mac_eee = rtl83xx_set_mac_eee,
+
+ .set_ageing_time = rtl83xx_set_ageing_time,
+ .port_bridge_join = rtl83xx_port_bridge_join,
+ .port_bridge_leave = rtl83xx_port_bridge_leave,
+ .port_stp_state_set = rtl83xx_port_stp_state_set,
+ .port_fast_age = rtl83xx_fast_age,
+
+ .port_vlan_filtering = rtl83xx_vlan_filtering,
+ .port_vlan_prepare = rtl83xx_vlan_prepare,
+ .port_vlan_add = rtl83xx_vlan_add,
+ .port_vlan_del = rtl83xx_vlan_del,
+
+ .port_fdb_add = rtl83xx_port_fdb_add,
+ .port_fdb_del = rtl83xx_port_fdb_del,
+ .port_fdb_dump = rtl83xx_port_fdb_dump,
+
+ .port_mdb_prepare = rtl83xx_port_mdb_prepare,
+ .port_mdb_add = rtl83xx_port_mdb_add,
+ .port_mdb_del = rtl83xx_port_mdb_del,
+
+ .port_mirror_add = rtl83xx_port_mirror_add,
+ .port_mirror_del = rtl83xx_port_mirror_del,
+
+ .port_lag_change = rtl83xx_port_lag_change,
+ .port_lag_join = rtl83xx_port_lag_join,
+ .port_lag_leave = rtl83xx_port_lag_leave,
+
+ .port_pre_bridge_flags = rtl83xx_port_pre_bridge_flags,
+ .port_bridge_flags = rtl83xx_port_bridge_flags,
+};
+
+const struct dsa_switch_ops rtl930x_switch_ops = {
+ .get_tag_protocol = rtl83xx_get_tag_protocol,
+ .setup = rtl93xx_setup,
+
+ .phy_read = dsa_phy_read,
+ .phy_write = dsa_phy_write,
+
+ .phylink_validate = rtl93xx_phylink_validate,
+ .phylink_mac_link_state = rtl93xx_phylink_mac_link_state,
+ .phylink_mac_config = rtl93xx_phylink_mac_config,
+ .phylink_mac_link_down = rtl93xx_phylink_mac_link_down,
+ .phylink_mac_link_up = rtl93xx_phylink_mac_link_up,
+
+ .get_strings = rtl83xx_get_strings,
+ .get_ethtool_stats = rtl83xx_get_ethtool_stats,
+ .get_sset_count = rtl83xx_get_sset_count,
+
+ .port_enable = rtl83xx_port_enable,
+ .port_disable = rtl83xx_port_disable,
+
+ .get_mac_eee = rtl93xx_get_mac_eee,
+ .set_mac_eee = rtl83xx_set_mac_eee,
+
+ .set_ageing_time = rtl83xx_set_ageing_time,
+ .port_bridge_join = rtl83xx_port_bridge_join,
+ .port_bridge_leave = rtl83xx_port_bridge_leave,
+ .port_stp_state_set = rtl83xx_port_stp_state_set,
+ .port_fast_age = rtl930x_fast_age,
+
+ .port_vlan_filtering = rtl83xx_vlan_filtering,
+ .port_vlan_prepare = rtl83xx_vlan_prepare,
+ .port_vlan_add = rtl83xx_vlan_add,
+ .port_vlan_del = rtl83xx_vlan_del,
+
+ .port_fdb_add = rtl83xx_port_fdb_add,
+ .port_fdb_del = rtl83xx_port_fdb_del,
+ .port_fdb_dump = rtl83xx_port_fdb_dump,
+
+ .port_mdb_prepare = rtl83xx_port_mdb_prepare,
+ .port_mdb_add = rtl83xx_port_mdb_add,
+ .port_mdb_del = rtl83xx_port_mdb_del,
+
+ .port_lag_change = rtl83xx_port_lag_change,
+ .port_lag_join = rtl83xx_port_lag_join,
+ .port_lag_leave = rtl83xx_port_lag_leave,
+
+ .port_pre_bridge_flags = rtl83xx_port_pre_bridge_flags,
+ .port_bridge_flags = rtl83xx_port_bridge_flags,
+};