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path: root/drivers/net/ethernet/freescale/fman/mac.c
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Diffstat (limited to 'drivers/net/ethernet/freescale/fman/mac.c')
-rw-r--r--drivers/net/ethernet/freescale/fman/mac.c168
1 files changed, 6 insertions, 162 deletions
diff --git a/drivers/net/ethernet/freescale/fman/mac.c b/drivers/net/ethernet/freescale/fman/mac.c
index 13e67f2864be..43665806c590 100644
--- a/drivers/net/ethernet/freescale/fman/mac.c
+++ b/drivers/net/ethernet/freescale/fman/mac.c
@@ -15,6 +15,7 @@
#include <linux/phy.h>
#include <linux/netdevice.h>
#include <linux/phy_fixed.h>
+#include <linux/phylink.h>
#include <linux/etherdevice.h>
#include <linux/libfdt_env.h>
@@ -93,130 +94,8 @@ int fman_set_multi(struct net_device *net_dev, struct mac_device *mac_dev)
return 0;
}
-/**
- * fman_set_mac_active_pause
- * @mac_dev: A pointer to the MAC device
- * @rx: Pause frame setting for RX
- * @tx: Pause frame setting for TX
- *
- * Set the MAC RX/TX PAUSE frames settings
- *
- * Avoid redundant calls to FMD, if the MAC driver already contains the desired
- * active PAUSE settings. Otherwise, the new active settings should be reflected
- * in FMan.
- *
- * Return: 0 on success; Error code otherwise.
- */
-int fman_set_mac_active_pause(struct mac_device *mac_dev, bool rx, bool tx)
-{
- struct fman_mac *fman_mac = mac_dev->fman_mac;
- int err = 0;
-
- if (rx != mac_dev->rx_pause_active) {
- err = mac_dev->set_rx_pause(fman_mac, rx);
- if (likely(err == 0))
- mac_dev->rx_pause_active = rx;
- }
-
- if (tx != mac_dev->tx_pause_active) {
- u16 pause_time = (tx ? FSL_FM_PAUSE_TIME_ENABLE :
- FSL_FM_PAUSE_TIME_DISABLE);
-
- err = mac_dev->set_tx_pause(fman_mac, 0, pause_time, 0);
-
- if (likely(err == 0))
- mac_dev->tx_pause_active = tx;
- }
-
- return err;
-}
-EXPORT_SYMBOL(fman_set_mac_active_pause);
-
-/**
- * fman_get_pause_cfg
- * @mac_dev: A pointer to the MAC device
- * @rx_pause: Return value for RX setting
- * @tx_pause: Return value for TX setting
- *
- * Determine the MAC RX/TX PAUSE frames settings based on PHY
- * autonegotiation or values set by eththool.
- *
- * Return: Pointer to FMan device.
- */
-void fman_get_pause_cfg(struct mac_device *mac_dev, bool *rx_pause,
- bool *tx_pause)
-{
- struct phy_device *phy_dev = mac_dev->phy_dev;
- u16 lcl_adv, rmt_adv;
- u8 flowctrl;
-
- *rx_pause = *tx_pause = false;
-
- if (!phy_dev->duplex)
- return;
-
- /* If PAUSE autonegotiation is disabled, the TX/RX PAUSE settings
- * are those set by ethtool.
- */
- if (!mac_dev->autoneg_pause) {
- *rx_pause = mac_dev->rx_pause_req;
- *tx_pause = mac_dev->tx_pause_req;
- return;
- }
-
- /* Else if PAUSE autonegotiation is enabled, the TX/RX PAUSE
- * settings depend on the result of the link negotiation.
- */
-
- /* get local capabilities */
- lcl_adv = linkmode_adv_to_lcl_adv_t(phy_dev->advertising);
-
- /* get link partner capabilities */
- rmt_adv = 0;
- if (phy_dev->pause)
- rmt_adv |= LPA_PAUSE_CAP;
- if (phy_dev->asym_pause)
- rmt_adv |= LPA_PAUSE_ASYM;
-
- /* Calculate TX/RX settings based on local and peer advertised
- * symmetric/asymmetric PAUSE capabilities.
- */
- flowctrl = mii_resolve_flowctrl_fdx(lcl_adv, rmt_adv);
- if (flowctrl & FLOW_CTRL_RX)
- *rx_pause = true;
- if (flowctrl & FLOW_CTRL_TX)
- *tx_pause = true;
-}
-EXPORT_SYMBOL(fman_get_pause_cfg);
-
-#define DTSEC_SUPPORTED \
- (SUPPORTED_10baseT_Half \
- | SUPPORTED_10baseT_Full \
- | SUPPORTED_100baseT_Half \
- | SUPPORTED_100baseT_Full \
- | SUPPORTED_Autoneg \
- | SUPPORTED_Pause \
- | SUPPORTED_Asym_Pause \
- | SUPPORTED_FIBRE \
- | SUPPORTED_MII)
-
static DEFINE_MUTEX(eth_lock);
-static const u16 phy2speed[] = {
- [PHY_INTERFACE_MODE_MII] = SPEED_100,
- [PHY_INTERFACE_MODE_GMII] = SPEED_1000,
- [PHY_INTERFACE_MODE_SGMII] = SPEED_1000,
- [PHY_INTERFACE_MODE_TBI] = SPEED_1000,
- [PHY_INTERFACE_MODE_RMII] = SPEED_100,
- [PHY_INTERFACE_MODE_RGMII] = SPEED_1000,
- [PHY_INTERFACE_MODE_RGMII_ID] = SPEED_1000,
- [PHY_INTERFACE_MODE_RGMII_RXID] = SPEED_1000,
- [PHY_INTERFACE_MODE_RGMII_TXID] = SPEED_1000,
- [PHY_INTERFACE_MODE_RTBI] = SPEED_1000,
- [PHY_INTERFACE_MODE_QSGMII] = SPEED_1000,
- [PHY_INTERFACE_MODE_XGMII] = SPEED_10000
-};
-
static struct platform_device *dpaa_eth_add_device(int fman_id,
struct mac_device *mac_dev)
{
@@ -263,8 +142,8 @@ no_mem:
}
static const struct of_device_id mac_match[] = {
- { .compatible = "fsl,fman-dtsec", .data = dtsec_initialization },
- { .compatible = "fsl,fman-xgec", .data = tgec_initialization },
+ { .compatible = "fsl,fman-dtsec", .data = dtsec_initialization },
+ { .compatible = "fsl,fman-xgec", .data = tgec_initialization },
{ .compatible = "fsl,fman-memac", .data = memac_initialization },
{}
};
@@ -295,6 +174,7 @@ static int mac_probe(struct platform_device *_of_dev)
priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
if (!priv)
return -ENOMEM;
+ platform_set_drvdata(_of_dev, mac_dev);
/* Save private information */
mac_dev->priv = priv;
@@ -424,57 +304,21 @@ static int mac_probe(struct platform_device *_of_dev)
}
mac_dev->phy_if = phy_if;
- priv->speed = phy2speed[mac_dev->phy_if];
- params.max_speed = priv->speed;
- mac_dev->if_support = DTSEC_SUPPORTED;
- /* We don't support half-duplex in SGMII mode */
- if (mac_dev->phy_if == PHY_INTERFACE_MODE_SGMII)
- mac_dev->if_support &= ~(SUPPORTED_10baseT_Half |
- SUPPORTED_100baseT_Half);
-
- /* Gigabit support (no half-duplex) */
- if (params.max_speed == 1000)
- mac_dev->if_support |= SUPPORTED_1000baseT_Full;
-
- /* The 10G interface only supports one mode */
- if (mac_dev->phy_if == PHY_INTERFACE_MODE_XGMII)
- mac_dev->if_support = SUPPORTED_10000baseT_Full;
-
- /* Get the rest of the PHY information */
- mac_dev->phy_node = of_parse_phandle(mac_node, "phy-handle", 0);
-
- params.basex_if = false;
params.mac_id = priv->cell_index;
params.fm = (void *)priv->fman;
params.exception_cb = mac_exception;
params.event_cb = mac_exception;
err = init(mac_dev, mac_node, &params);
- if (err < 0) {
- dev_err(dev, "mac_dev->init() = %d\n", err);
- of_node_put(mac_dev->phy_node);
- return err;
- }
-
- /* pause frame autonegotiation enabled */
- mac_dev->autoneg_pause = true;
-
- /* By intializing the values to false, force FMD to enable PAUSE frames
- * on RX and TX
- */
- mac_dev->rx_pause_req = true;
- mac_dev->tx_pause_req = true;
- mac_dev->rx_pause_active = false;
- mac_dev->tx_pause_active = false;
- err = fman_set_mac_active_pause(mac_dev, true, true);
if (err < 0)
- dev_err(dev, "fman_set_mac_active_pause() = %d\n", err);
+ return err;
if (!is_zero_ether_addr(mac_dev->addr))
dev_info(dev, "FMan MAC address: %pM\n", mac_dev->addr);
priv->eth_dev = dpaa_eth_add_device(fman_id, mac_dev);
if (IS_ERR(priv->eth_dev)) {
+ err = PTR_ERR(priv->eth_dev);
dev_err(dev, "failed to add Ethernet platform device for MAC %d\n",
priv->cell_index);
priv->eth_dev = NULL;
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-24 18:33:11 +0300