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path: root/drivers/net/ethernet/marvell/mvneta.c
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Diffstat (limited to 'drivers/net/ethernet/marvell/mvneta.c')
-rw-r--r--drivers/net/ethernet/marvell/mvneta.c432
1 files changed, 308 insertions, 124 deletions
diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c
index 5a7bdca22a63..83c8908f0cc7 100644
--- a/drivers/net/ethernet/marvell/mvneta.c
+++ b/drivers/net/ethernet/marvell/mvneta.c
@@ -38,6 +38,7 @@
#include <net/ipv6.h>
#include <net/tso.h>
#include <net/page_pool.h>
+#include <net/pkt_cls.h>
#include <linux/bpf_trace.h>
/* Registers */
@@ -247,12 +248,39 @@
#define MVNETA_TXQ_SENT_DESC_MASK 0x3fff0000
#define MVNETA_PORT_TX_RESET 0x3cf0
#define MVNETA_PORT_TX_DMA_RESET BIT(0)
+#define MVNETA_TXQ_CMD1_REG 0x3e00
+#define MVNETA_TXQ_CMD1_BW_LIM_SEL_V1 BIT(3)
+#define MVNETA_TXQ_CMD1_BW_LIM_EN BIT(0)
+#define MVNETA_REFILL_NUM_CLK_REG 0x3e08
+#define MVNETA_REFILL_MAX_NUM_CLK 0x0000ffff
#define MVNETA_TX_MTU 0x3e0c
#define MVNETA_TX_TOKEN_SIZE 0x3e14
#define MVNETA_TX_TOKEN_SIZE_MAX 0xffffffff
+#define MVNETA_TXQ_BUCKET_REFILL_REG(q) (0x3e20 + ((q) << 2))
+#define MVNETA_TXQ_BUCKET_REFILL_PERIOD_MASK 0x3ff00000
+#define MVNETA_TXQ_BUCKET_REFILL_PERIOD_SHIFT 20
+#define MVNETA_TXQ_BUCKET_REFILL_VALUE_MAX 0x0007ffff
#define MVNETA_TXQ_TOKEN_SIZE_REG(q) (0x3e40 + ((q) << 2))
#define MVNETA_TXQ_TOKEN_SIZE_MAX 0x7fffffff
+/* The values of the bucket refill base period and refill period are taken from
+ * the reference manual, and adds up to a base resolution of 10Kbps. This allows
+ * to cover all rate-limit values from 10Kbps up to 5Gbps
+ */
+
+/* Base period for the rate limit algorithm */
+#define MVNETA_TXQ_BUCKET_REFILL_BASE_PERIOD_NS 100
+
+/* Number of Base Period to wait between each bucket refill */
+#define MVNETA_TXQ_BUCKET_REFILL_PERIOD 1000
+
+/* The base resolution for rate limiting, in bps. Any max_rate value should be
+ * a multiple of that value.
+ */
+#define MVNETA_TXQ_RATE_LIMIT_RESOLUTION (NSEC_PER_SEC / \
+ (MVNETA_TXQ_BUCKET_REFILL_BASE_PERIOD_NS * \
+ MVNETA_TXQ_BUCKET_REFILL_PERIOD))
+
#define MVNETA_LPI_CTRL_0 0x2cc0
#define MVNETA_LPI_CTRL_1 0x2cc4
#define MVNETA_LPI_REQUEST_ENABLE BIT(0)
@@ -492,13 +520,13 @@ struct mvneta_port {
u8 mcast_count[256];
u16 tx_ring_size;
u16 rx_ring_size;
- u8 prio_tc_map[8];
phy_interface_t phy_interface;
struct device_node *dn;
unsigned int tx_csum_limit;
struct phylink *phylink;
struct phylink_config phylink_config;
+ struct phylink_pcs phylink_pcs;
struct phy *comphy;
struct mvneta_bm *bm_priv;
@@ -2212,7 +2240,7 @@ mvneta_run_xdp(struct mvneta_port *pp, struct mvneta_rx_queue *rxq,
mvneta_xdp_put_buff(pp, rxq, xdp, sinfo, sync);
break;
default:
- bpf_warn_invalid_xdp_action(act);
+ bpf_warn_invalid_xdp_action(pp->dev, prog, act);
fallthrough;
case XDP_ABORTED:
trace_xdp_exception(pp->dev, prog, act);
@@ -3819,58 +3847,31 @@ static int mvneta_set_mac_addr(struct net_device *dev, void *addr)
return 0;
}
-static void mvneta_validate(struct phylink_config *config,
- unsigned long *supported,
- struct phylink_link_state *state)
+static struct mvneta_port *mvneta_pcs_to_port(struct phylink_pcs *pcs)
{
- __ETHTOOL_DECLARE_LINK_MODE_MASK(mask) = { 0, };
+ return container_of(pcs, struct mvneta_port, phylink_pcs);
+}
+static int mvneta_pcs_validate(struct phylink_pcs *pcs,
+ unsigned long *supported,
+ const struct phylink_link_state *state)
+{
/* We only support QSGMII, SGMII, 802.3z and RGMII modes.
* When in 802.3z mode, we must have AN enabled:
* "Bit 2 Field InBandAnEn In-band Auto-Negotiation enable. ...
* When <PortType> = 1 (1000BASE-X) this field must be set to 1."
*/
if (phy_interface_mode_is_8023z(state->interface) &&
- !phylink_test(state->advertising, Autoneg)) {
- linkmode_zero(supported);
- return;
- }
-
- /* Allow all the expected bits */
- phylink_set(mask, Autoneg);
- phylink_set_port_modes(mask);
-
- /* Asymmetric pause is unsupported */
- phylink_set(mask, Pause);
-
- /* Half-duplex at speeds higher than 100Mbit is unsupported */
- if (state->interface != PHY_INTERFACE_MODE_2500BASEX) {
- phylink_set(mask, 1000baseT_Full);
- phylink_set(mask, 1000baseX_Full);
- }
-
- if (state->interface == PHY_INTERFACE_MODE_2500BASEX) {
- phylink_set(mask, 2500baseT_Full);
- phylink_set(mask, 2500baseX_Full);
- }
-
- if (!phy_interface_mode_is_8023z(state->interface)) {
- /* 10M and 100M are only supported in non-802.3z mode */
- phylink_set(mask, 10baseT_Half);
- phylink_set(mask, 10baseT_Full);
- phylink_set(mask, 100baseT_Half);
- phylink_set(mask, 100baseT_Full);
- }
+ !phylink_test(state->advertising, Autoneg))
+ return -EINVAL;
- linkmode_and(supported, supported, mask);
- linkmode_and(state->advertising, state->advertising, mask);
+ return 0;
}
-static void mvneta_mac_pcs_get_state(struct phylink_config *config,
- struct phylink_link_state *state)
+static void mvneta_pcs_get_state(struct phylink_pcs *pcs,
+ struct phylink_link_state *state)
{
- struct net_device *ndev = to_net_dev(config->dev);
- struct mvneta_port *pp = netdev_priv(ndev);
+ struct mvneta_port *pp = mvneta_pcs_to_port(pcs);
u32 gmac_stat;
gmac_stat = mvreg_read(pp, MVNETA_GMAC_STATUS);
@@ -3888,17 +3889,71 @@ static void mvneta_mac_pcs_get_state(struct phylink_config *config,
state->link = !!(gmac_stat & MVNETA_GMAC_LINK_UP);
state->duplex = !!(gmac_stat & MVNETA_GMAC_FULL_DUPLEX);
- state->pause = 0;
if (gmac_stat & MVNETA_GMAC_RX_FLOW_CTRL_ENABLE)
state->pause |= MLO_PAUSE_RX;
if (gmac_stat & MVNETA_GMAC_TX_FLOW_CTRL_ENABLE)
state->pause |= MLO_PAUSE_TX;
}
-static void mvneta_mac_an_restart(struct phylink_config *config)
+static int mvneta_pcs_config(struct phylink_pcs *pcs,
+ unsigned int mode, phy_interface_t interface,
+ const unsigned long *advertising,
+ bool permit_pause_to_mac)
{
- struct net_device *ndev = to_net_dev(config->dev);
- struct mvneta_port *pp = netdev_priv(ndev);
+ struct mvneta_port *pp = mvneta_pcs_to_port(pcs);
+ u32 mask, val, an, old_an, changed;
+
+ mask = MVNETA_GMAC_INBAND_AN_ENABLE |
+ MVNETA_GMAC_INBAND_RESTART_AN |
+ MVNETA_GMAC_AN_SPEED_EN |
+ MVNETA_GMAC_AN_FLOW_CTRL_EN |
+ MVNETA_GMAC_AN_DUPLEX_EN;
+
+ if (phylink_autoneg_inband(mode)) {
+ mask |= MVNETA_GMAC_CONFIG_MII_SPEED |
+ MVNETA_GMAC_CONFIG_GMII_SPEED |
+ MVNETA_GMAC_CONFIG_FULL_DUPLEX;
+ val = MVNETA_GMAC_INBAND_AN_ENABLE;
+
+ if (interface == PHY_INTERFACE_MODE_SGMII) {
+ /* SGMII mode receives the speed and duplex from PHY */
+ val |= MVNETA_GMAC_AN_SPEED_EN |
+ MVNETA_GMAC_AN_DUPLEX_EN;
+ } else {
+ /* 802.3z mode has fixed speed and duplex */
+ val |= MVNETA_GMAC_CONFIG_GMII_SPEED |
+ MVNETA_GMAC_CONFIG_FULL_DUPLEX;
+
+ /* The FLOW_CTRL_EN bit selects either the hardware
+ * automatically or the CONFIG_FLOW_CTRL manually
+ * controls the GMAC pause mode.
+ */
+ if (permit_pause_to_mac)
+ val |= MVNETA_GMAC_AN_FLOW_CTRL_EN;
+
+ /* Update the advertisement bits */
+ mask |= MVNETA_GMAC_ADVERT_SYM_FLOW_CTRL;
+ if (phylink_test(advertising, Pause))
+ val |= MVNETA_GMAC_ADVERT_SYM_FLOW_CTRL;
+ }
+ } else {
+ /* Phy or fixed speed - disable in-band AN modes */
+ val = 0;
+ }
+
+ old_an = an = mvreg_read(pp, MVNETA_GMAC_AUTONEG_CONFIG);
+ an = (an & ~mask) | val;
+ changed = old_an ^ an;
+ if (changed)
+ mvreg_write(pp, MVNETA_GMAC_AUTONEG_CONFIG, an);
+
+ /* We are only interested in the advertisement bits changing */
+ return !!(changed & MVNETA_GMAC_ADVERT_SYM_FLOW_CTRL);
+}
+
+static void mvneta_pcs_an_restart(struct phylink_pcs *pcs)
+{
+ struct mvneta_port *pp = mvneta_pcs_to_port(pcs);
u32 gmac_an = mvreg_read(pp, MVNETA_GMAC_AUTONEG_CONFIG);
mvreg_write(pp, MVNETA_GMAC_AUTONEG_CONFIG,
@@ -3907,6 +3962,47 @@ static void mvneta_mac_an_restart(struct phylink_config *config)
gmac_an & ~MVNETA_GMAC_INBAND_RESTART_AN);
}
+static const struct phylink_pcs_ops mvneta_phylink_pcs_ops = {
+ .pcs_validate = mvneta_pcs_validate,
+ .pcs_get_state = mvneta_pcs_get_state,
+ .pcs_config = mvneta_pcs_config,
+ .pcs_an_restart = mvneta_pcs_an_restart,
+};
+
+static int mvneta_mac_prepare(struct phylink_config *config, unsigned int mode,
+ phy_interface_t interface)
+{
+ struct net_device *ndev = to_net_dev(config->dev);
+ struct mvneta_port *pp = netdev_priv(ndev);
+ u32 val;
+
+ if (pp->phy_interface != interface ||
+ phylink_autoneg_inband(mode)) {
+ /* Force the link down when changing the interface or if in
+ * in-band mode. According to Armada 370 documentation, we
+ * can only change the port mode and in-band enable when the
+ * link is down.
+ */
+ val = mvreg_read(pp, MVNETA_GMAC_AUTONEG_CONFIG);
+ val &= ~MVNETA_GMAC_FORCE_LINK_PASS;
+ val |= MVNETA_GMAC_FORCE_LINK_DOWN;
+ mvreg_write(pp, MVNETA_GMAC_AUTONEG_CONFIG, val);
+ }
+
+ if (pp->phy_interface != interface)
+ WARN_ON(phy_power_off(pp->comphy));
+
+ /* Enable the 1ms clock */
+ if (phylink_autoneg_inband(mode)) {
+ unsigned long rate = clk_get_rate(pp->clk);
+
+ mvreg_write(pp, MVNETA_GMAC_CLOCK_DIVIDER,
+ MVNETA_GMAC_1MS_CLOCK_ENABLE | (rate / 1000));
+ }
+
+ return 0;
+}
+
static void mvneta_mac_config(struct phylink_config *config, unsigned int mode,
const struct phylink_link_state *state)
{
@@ -3915,20 +4011,11 @@ static void mvneta_mac_config(struct phylink_config *config, unsigned int mode,
u32 new_ctrl0, gmac_ctrl0 = mvreg_read(pp, MVNETA_GMAC_CTRL_0);
u32 new_ctrl2, gmac_ctrl2 = mvreg_read(pp, MVNETA_GMAC_CTRL_2);
u32 new_ctrl4, gmac_ctrl4 = mvreg_read(pp, MVNETA_GMAC_CTRL_4);
- u32 new_clk, gmac_clk = mvreg_read(pp, MVNETA_GMAC_CLOCK_DIVIDER);
- u32 new_an, gmac_an = mvreg_read(pp, MVNETA_GMAC_AUTONEG_CONFIG);
new_ctrl0 = gmac_ctrl0 & ~MVNETA_GMAC0_PORT_1000BASE_X;
new_ctrl2 = gmac_ctrl2 & ~(MVNETA_GMAC2_INBAND_AN_ENABLE |
MVNETA_GMAC2_PORT_RESET);
new_ctrl4 = gmac_ctrl4 & ~(MVNETA_GMAC4_SHORT_PREAMBLE_ENABLE);
- new_clk = gmac_clk & ~MVNETA_GMAC_1MS_CLOCK_ENABLE;
- new_an = gmac_an & ~(MVNETA_GMAC_INBAND_AN_ENABLE |
- MVNETA_GMAC_INBAND_RESTART_AN |
- MVNETA_GMAC_AN_SPEED_EN |
- MVNETA_GMAC_ADVERT_SYM_FLOW_CTRL |
- MVNETA_GMAC_AN_FLOW_CTRL_EN |
- MVNETA_GMAC_AN_DUPLEX_EN);
/* Even though it might look weird, when we're configured in
* SGMII or QSGMII mode, the RGMII bit needs to be set.
@@ -3940,9 +4027,6 @@ static void mvneta_mac_config(struct phylink_config *config, unsigned int mode,
phy_interface_mode_is_8023z(state->interface))
new_ctrl2 |= MVNETA_GMAC2_PCS_ENABLE;
- if (phylink_test(state->advertising, Pause))
- new_an |= MVNETA_GMAC_ADVERT_SYM_FLOW_CTRL;
-
if (!phylink_autoneg_inband(mode)) {
/* Phy or fixed speed - nothing to do, leave the
* configured speed, duplex and flow control as-is.
@@ -3950,66 +4034,23 @@ static void mvneta_mac_config(struct phylink_config *config, unsigned int mode,
} else if (state->interface == PHY_INTERFACE_MODE_SGMII) {
/* SGMII mode receives the state from the PHY */
new_ctrl2 |= MVNETA_GMAC2_INBAND_AN_ENABLE;
- new_clk |= MVNETA_GMAC_1MS_CLOCK_ENABLE;
- new_an = (new_an & ~(MVNETA_GMAC_FORCE_LINK_DOWN |
- MVNETA_GMAC_FORCE_LINK_PASS |
- MVNETA_GMAC_CONFIG_MII_SPEED |
- MVNETA_GMAC_CONFIG_GMII_SPEED |
- MVNETA_GMAC_CONFIG_FULL_DUPLEX)) |
- MVNETA_GMAC_INBAND_AN_ENABLE |
- MVNETA_GMAC_AN_SPEED_EN |
- MVNETA_GMAC_AN_DUPLEX_EN;
} else {
/* 802.3z negotiation - only 1000base-X */
new_ctrl0 |= MVNETA_GMAC0_PORT_1000BASE_X;
- new_clk |= MVNETA_GMAC_1MS_CLOCK_ENABLE;
- new_an = (new_an & ~(MVNETA_GMAC_FORCE_LINK_DOWN |
- MVNETA_GMAC_FORCE_LINK_PASS |
- MVNETA_GMAC_CONFIG_MII_SPEED)) |
- MVNETA_GMAC_INBAND_AN_ENABLE |
- MVNETA_GMAC_CONFIG_GMII_SPEED |
- /* The MAC only supports FD mode */
- MVNETA_GMAC_CONFIG_FULL_DUPLEX;
-
- if (state->pause & MLO_PAUSE_AN && state->an_enabled)
- new_an |= MVNETA_GMAC_AN_FLOW_CTRL_EN;
- }
-
- /* Armada 370 documentation says we can only change the port mode
- * and in-band enable when the link is down, so force it down
- * while making these changes. We also do this for GMAC_CTRL2
- */
- if ((new_ctrl0 ^ gmac_ctrl0) & MVNETA_GMAC0_PORT_1000BASE_X ||
- (new_ctrl2 ^ gmac_ctrl2) & MVNETA_GMAC2_INBAND_AN_ENABLE ||
- (new_an ^ gmac_an) & MVNETA_GMAC_INBAND_AN_ENABLE) {
- mvreg_write(pp, MVNETA_GMAC_AUTONEG_CONFIG,
- (gmac_an & ~MVNETA_GMAC_FORCE_LINK_PASS) |
- MVNETA_GMAC_FORCE_LINK_DOWN);
}
-
/* When at 2.5G, the link partner can send frames with shortened
* preambles.
*/
if (state->interface == PHY_INTERFACE_MODE_2500BASEX)
new_ctrl4 |= MVNETA_GMAC4_SHORT_PREAMBLE_ENABLE;
- if (pp->phy_interface != state->interface) {
- if (pp->comphy)
- WARN_ON(phy_power_off(pp->comphy));
- WARN_ON(mvneta_config_interface(pp, state->interface));
- }
-
if (new_ctrl0 != gmac_ctrl0)
mvreg_write(pp, MVNETA_GMAC_CTRL_0, new_ctrl0);
if (new_ctrl2 != gmac_ctrl2)
mvreg_write(pp, MVNETA_GMAC_CTRL_2, new_ctrl2);
if (new_ctrl4 != gmac_ctrl4)
mvreg_write(pp, MVNETA_GMAC_CTRL_4, new_ctrl4);
- if (new_clk != gmac_clk)
- mvreg_write(pp, MVNETA_GMAC_CLOCK_DIVIDER, new_clk);
- if (new_an != gmac_an)
- mvreg_write(pp, MVNETA_GMAC_AUTONEG_CONFIG, new_an);
if (gmac_ctrl2 & MVNETA_GMAC2_PORT_RESET) {
while ((mvreg_read(pp, MVNETA_GMAC_CTRL_2) &
@@ -4018,6 +4059,36 @@ static void mvneta_mac_config(struct phylink_config *config, unsigned int mode,
}
}
+static int mvneta_mac_finish(struct phylink_config *config, unsigned int mode,
+ phy_interface_t interface)
+{
+ struct net_device *ndev = to_net_dev(config->dev);
+ struct mvneta_port *pp = netdev_priv(ndev);
+ u32 val, clk;
+
+ /* Disable 1ms clock if not in in-band mode */
+ if (!phylink_autoneg_inband(mode)) {
+ clk = mvreg_read(pp, MVNETA_GMAC_CLOCK_DIVIDER);
+ clk &= ~MVNETA_GMAC_1MS_CLOCK_ENABLE;
+ mvreg_write(pp, MVNETA_GMAC_CLOCK_DIVIDER, clk);
+ }
+
+ if (pp->phy_interface != interface)
+ /* Enable the Serdes PHY */
+ WARN_ON(mvneta_config_interface(pp, interface));
+
+ /* Allow the link to come up if in in-band mode, otherwise the
+ * link is forced via mac_link_down()/mac_link_up()
+ */
+ if (phylink_autoneg_inband(mode)) {
+ val = mvreg_read(pp, MVNETA_GMAC_AUTONEG_CONFIG);
+ val &= ~MVNETA_GMAC_FORCE_LINK_DOWN;
+ mvreg_write(pp, MVNETA_GMAC_AUTONEG_CONFIG, val);
+ }
+
+ return 0;
+}
+
static void mvneta_set_eee(struct mvneta_port *pp, bool enable)
{
u32 lpi_ctl1;
@@ -4104,10 +4175,10 @@ static void mvneta_mac_link_up(struct phylink_config *config,
}
static const struct phylink_mac_ops mvneta_phylink_ops = {
- .validate = mvneta_validate,
- .mac_pcs_get_state = mvneta_mac_pcs_get_state,
- .mac_an_restart = mvneta_mac_an_restart,
+ .validate = phylink_generic_validate,
+ .mac_prepare = mvneta_mac_prepare,
.mac_config = mvneta_mac_config,
+ .mac_finish = mvneta_mac_finish,
.mac_link_down = mvneta_mac_link_down,
.mac_link_up = mvneta_mac_link_up,
};
@@ -4539,8 +4610,11 @@ static void mvneta_ethtool_get_drvinfo(struct net_device *dev,
}
-static void mvneta_ethtool_get_ringparam(struct net_device *netdev,
- struct ethtool_ringparam *ring)
+static void
+mvneta_ethtool_get_ringparam(struct net_device *netdev,
+ struct ethtool_ringparam *ring,
+ struct kernel_ethtool_ringparam *kernel_ring,
+ struct netlink_ext_ack *extack)
{
struct mvneta_port *pp = netdev_priv(netdev);
@@ -4550,8 +4624,11 @@ static void mvneta_ethtool_get_ringparam(struct net_device *netdev,
ring->tx_pending = pp->tx_ring_size;
}
-static int mvneta_ethtool_set_ringparam(struct net_device *dev,
- struct ethtool_ringparam *ring)
+static int
+mvneta_ethtool_set_ringparam(struct net_device *dev,
+ struct ethtool_ringparam *ring,
+ struct kernel_ethtool_ringparam *kernel_ring,
+ struct netlink_ext_ack *extack)
{
struct mvneta_port *pp = netdev_priv(dev);
@@ -4919,43 +4996,144 @@ static void mvneta_clear_rx_prio_map(struct mvneta_port *pp)
mvreg_write(pp, MVNETA_VLAN_PRIO_TO_RXQ, 0);
}
-static void mvneta_setup_rx_prio_map(struct mvneta_port *pp)
+static void mvneta_map_vlan_prio_to_rxq(struct mvneta_port *pp, u8 pri, u8 rxq)
{
- u32 val = 0;
- int i;
+ u32 val = mvreg_read(pp, MVNETA_VLAN_PRIO_TO_RXQ);
- for (i = 0; i < rxq_number; i++)
- val |= MVNETA_VLAN_PRIO_RXQ_MAP(i, pp->prio_tc_map[i]);
+ val &= ~MVNETA_VLAN_PRIO_RXQ_MAP(pri, 0x7);
+ val |= MVNETA_VLAN_PRIO_RXQ_MAP(pri, rxq);
mvreg_write(pp, MVNETA_VLAN_PRIO_TO_RXQ, val);
}
+static int mvneta_enable_per_queue_rate_limit(struct mvneta_port *pp)
+{
+ unsigned long core_clk_rate;
+ u32 refill_cycles;
+ u32 val;
+
+ core_clk_rate = clk_get_rate(pp->clk);
+ if (!core_clk_rate)
+ return -EINVAL;
+
+ refill_cycles = MVNETA_TXQ_BUCKET_REFILL_BASE_PERIOD_NS /
+ (NSEC_PER_SEC / core_clk_rate);
+
+ if (refill_cycles > MVNETA_REFILL_MAX_NUM_CLK)
+ return -EINVAL;
+
+ /* Enable bw limit algorithm version 3 */
+ val = mvreg_read(pp, MVNETA_TXQ_CMD1_REG);
+ val &= ~(MVNETA_TXQ_CMD1_BW_LIM_SEL_V1 | MVNETA_TXQ_CMD1_BW_LIM_EN);
+ mvreg_write(pp, MVNETA_TXQ_CMD1_REG, val);
+
+ /* Set the base refill rate */
+ mvreg_write(pp, MVNETA_REFILL_NUM_CLK_REG, refill_cycles);
+
+ return 0;
+}
+
+static void mvneta_disable_per_queue_rate_limit(struct mvneta_port *pp)
+{
+ u32 val = mvreg_read(pp, MVNETA_TXQ_CMD1_REG);
+
+ val |= (MVNETA_TXQ_CMD1_BW_LIM_SEL_V1 | MVNETA_TXQ_CMD1_BW_LIM_EN);
+ mvreg_write(pp, MVNETA_TXQ_CMD1_REG, val);
+}
+
+static int mvneta_setup_queue_rates(struct mvneta_port *pp, int queue,
+ u64 min_rate, u64 max_rate)
+{
+ u32 refill_val, rem;
+ u32 val = 0;
+
+ /* Convert to from Bps to bps */
+ max_rate *= 8;
+
+ if (min_rate)
+ return -EINVAL;
+
+ refill_val = div_u64_rem(max_rate, MVNETA_TXQ_RATE_LIMIT_RESOLUTION,
+ &rem);
+
+ if (rem || !refill_val ||
+ refill_val > MVNETA_TXQ_BUCKET_REFILL_VALUE_MAX)
+ return -EINVAL;
+
+ val = refill_val;
+ val |= (MVNETA_TXQ_BUCKET_REFILL_PERIOD <<
+ MVNETA_TXQ_BUCKET_REFILL_PERIOD_SHIFT);
+
+ mvreg_write(pp, MVNETA_TXQ_BUCKET_REFILL_REG(queue), val);
+
+ return 0;
+}
+
static int mvneta_setup_mqprio(struct net_device *dev,
- struct tc_mqprio_qopt *qopt)
+ struct tc_mqprio_qopt_offload *mqprio)
{
struct mvneta_port *pp = netdev_priv(dev);
+ int rxq, txq, tc, ret;
u8 num_tc;
- int i;
- qopt->hw = TC_MQPRIO_HW_OFFLOAD_TCS;
- num_tc = qopt->num_tc;
+ if (mqprio->qopt.hw != TC_MQPRIO_HW_OFFLOAD_TCS)
+ return 0;
+
+ num_tc = mqprio->qopt.num_tc;
if (num_tc > rxq_number)
return -EINVAL;
+ mvneta_clear_rx_prio_map(pp);
+
if (!num_tc) {
- mvneta_clear_rx_prio_map(pp);
+ mvneta_disable_per_queue_rate_limit(pp);
netdev_reset_tc(dev);
return 0;
}
- memcpy(pp->prio_tc_map, qopt->prio_tc_map, sizeof(pp->prio_tc_map));
+ netdev_set_num_tc(dev, mqprio->qopt.num_tc);
+
+ for (tc = 0; tc < mqprio->qopt.num_tc; tc++) {
+ netdev_set_tc_queue(dev, tc, mqprio->qopt.count[tc],
+ mqprio->qopt.offset[tc]);
+
+ for (rxq = mqprio->qopt.offset[tc];
+ rxq < mqprio->qopt.count[tc] + mqprio->qopt.offset[tc];
+ rxq++) {
+ if (rxq >= rxq_number)
+ return -EINVAL;
- mvneta_setup_rx_prio_map(pp);
+ mvneta_map_vlan_prio_to_rxq(pp, tc, rxq);
+ }
+ }
- netdev_set_num_tc(dev, qopt->num_tc);
- for (i = 0; i < qopt->num_tc; i++)
- netdev_set_tc_queue(dev, i, qopt->count[i], qopt->offset[i]);
+ if (mqprio->shaper != TC_MQPRIO_SHAPER_BW_RATE) {
+ mvneta_disable_per_queue_rate_limit(pp);
+ return 0;
+ }
+
+ if (mqprio->qopt.num_tc > txq_number)
+ return -EINVAL;
+
+ ret = mvneta_enable_per_queue_rate_limit(pp);
+ if (ret)
+ return ret;
+
+ for (tc = 0; tc < mqprio->qopt.num_tc; tc++) {
+ for (txq = mqprio->qopt.offset[tc];
+ txq < mqprio->qopt.count[tc] + mqprio->qopt.offset[tc];
+ txq++) {
+ if (txq >= txq_number)
+ return -EINVAL;
+
+ ret = mvneta_setup_queue_rates(pp, txq,
+ mqprio->min_rate[tc],
+ mqprio->max_rate[tc]);
+ if (ret)
+ return ret;
+ }
+ }
return 0;
}
@@ -5166,6 +5344,9 @@ static int mvneta_probe(struct platform_device *pdev)
pp->phylink_config.dev = &dev->dev;
pp->phylink_config.type = PHYLINK_NETDEV;
+ pp->phylink_config.mac_capabilities = MAC_SYM_PAUSE | MAC_10 |
+ MAC_100 | MAC_1000FD | MAC_2500FD;
+
phy_interface_set_rgmii(pp->phylink_config.supported_interfaces);
__set_bit(PHY_INTERFACE_MODE_QSGMII,
pp->phylink_config.supported_interfaces);
@@ -5237,6 +5418,9 @@ static int mvneta_probe(struct platform_device *pdev)
goto err_clk;
}
+ pp->phylink_pcs.ops = &mvneta_phylink_pcs_ops;
+ phylink_set_pcs(phylink, &pp->phylink_pcs);
+
/* Alloc per-cpu port structure */
pp->ports = alloc_percpu(struct mvneta_pcpu_port);
if (!pp->ports) {
@@ -5355,7 +5539,7 @@ static int mvneta_probe(struct platform_device *pdev)
dev->hw_features |= dev->features;
dev->vlan_features |= dev->features;
dev->priv_flags |= IFF_LIVE_ADDR_CHANGE;
- dev->gso_max_segs = MVNETA_MAX_TSO_SEGS;
+ netif_set_gso_max_segs(dev, MVNETA_MAX_TSO_SEGS);
/* MTU range: 68 - 9676 */
dev->min_mtu = ETH_MIN_MTU;