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path: root/drivers/net/ethernet/ti/cpsw.c
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Diffstat (limited to 'drivers/net/ethernet/ti/cpsw.c')
-rw-r--r--drivers/net/ethernet/ti/cpsw.c137
1 files changed, 106 insertions, 31 deletions
diff --git a/drivers/net/ethernet/ti/cpsw.c b/drivers/net/ethernet/ti/cpsw.c
index 5330fd29870..bde63e3af96 100644
--- a/drivers/net/ethernet/ti/cpsw.c
+++ b/drivers/net/ethernet/ti/cpsw.c
@@ -541,14 +541,93 @@ static inline int cpsw_get_slave_port(struct cpsw_priv *priv, u32 slave_num)
return slave_num;
}
+static void cpsw_set_promiscious(struct net_device *ndev, bool enable)
+{
+ struct cpsw_priv *priv = netdev_priv(ndev);
+ struct cpsw_ale *ale = priv->ale;
+ int i;
+
+ if (priv->data.dual_emac) {
+ bool flag = false;
+
+ /* Enabling promiscuous mode for one interface will be
+ * common for both the interface as the interface shares
+ * the same hardware resource.
+ */
+ for (i = 0; i <= priv->data.slaves; i++)
+ if (priv->slaves[i].ndev->flags & IFF_PROMISC)
+ flag = true;
+
+ if (!enable && flag) {
+ enable = true;
+ dev_err(&ndev->dev, "promiscuity not disabled as the other interface is still in promiscuity mode\n");
+ }
+
+ if (enable) {
+ /* Enable Bypass */
+ cpsw_ale_control_set(ale, 0, ALE_BYPASS, 1);
+
+ dev_dbg(&ndev->dev, "promiscuity enabled\n");
+ } else {
+ /* Disable Bypass */
+ cpsw_ale_control_set(ale, 0, ALE_BYPASS, 0);
+ dev_dbg(&ndev->dev, "promiscuity disabled\n");
+ }
+ } else {
+ if (enable) {
+ unsigned long timeout = jiffies + HZ;
+
+ /* Disable Learn for all ports */
+ for (i = 0; i <= priv->data.slaves; i++) {
+ cpsw_ale_control_set(ale, i,
+ ALE_PORT_NOLEARN, 1);
+ cpsw_ale_control_set(ale, i,
+ ALE_PORT_NO_SA_UPDATE, 1);
+ }
+
+ /* Clear All Untouched entries */
+ cpsw_ale_control_set(ale, 0, ALE_AGEOUT, 1);
+ do {
+ cpu_relax();
+ if (cpsw_ale_control_get(ale, 0, ALE_AGEOUT))
+ break;
+ } while (time_after(timeout, jiffies));
+ cpsw_ale_control_set(ale, 0, ALE_AGEOUT, 1);
+
+ /* Clear all mcast from ALE */
+ cpsw_ale_flush_multicast(ale, ALE_ALL_PORTS <<
+ priv->host_port);
+
+ /* Flood All Unicast Packets to Host port */
+ cpsw_ale_control_set(ale, 0, ALE_P0_UNI_FLOOD, 1);
+ dev_dbg(&ndev->dev, "promiscuity enabled\n");
+ } else {
+ /* Flood All Unicast Packets to Host port */
+ cpsw_ale_control_set(ale, 0, ALE_P0_UNI_FLOOD, 0);
+
+ /* Enable Learn for all ports */
+ for (i = 0; i <= priv->data.slaves; i++) {
+ cpsw_ale_control_set(ale, i,
+ ALE_PORT_NOLEARN, 0);
+ cpsw_ale_control_set(ale, i,
+ ALE_PORT_NO_SA_UPDATE, 0);
+ }
+ dev_dbg(&ndev->dev, "promiscuity disabled\n");
+ }
+ }
+}
+
static void cpsw_ndo_set_rx_mode(struct net_device *ndev)
{
struct cpsw_priv *priv = netdev_priv(ndev);
if (ndev->flags & IFF_PROMISC) {
/* Enable promiscuous mode */
- dev_err(priv->dev, "Ignoring Promiscuous mode\n");
+ cpsw_set_promiscious(ndev, true);
return;
+ } else {
+ /* Disable promiscuous mode */
+ cpsw_set_promiscious(ndev, false);
}
/* Clear all mcast from ALE */
@@ -582,7 +661,7 @@ static void cpsw_intr_disable(struct cpsw_priv *priv)
return;
}
-void cpsw_tx_handler(void *token, int len, int status)
+static void cpsw_tx_handler(void *token, int len, int status)
{
struct sk_buff *skb = token;
struct net_device *ndev = skb->dev;
@@ -599,7 +678,7 @@ void cpsw_tx_handler(void *token, int len, int status)
dev_kfree_skb_any(skb);
}
-void cpsw_rx_handler(void *token, int len, int status)
+static void cpsw_rx_handler(void *token, int len, int status)
{
struct sk_buff *skb = token;
struct sk_buff *new_skb;
@@ -1257,29 +1336,6 @@ fail:
return NETDEV_TX_BUSY;
}
-static void cpsw_ndo_change_rx_flags(struct net_device *ndev, int flags)
-{
- /*
- * The switch cannot operate in promiscuous mode without substantial
- * headache. For promiscuous mode to work, we would need to put the
- * ALE in bypass mode and route all traffic to the host port.
- * Subsequently, the host will need to operate as a "bridge", learn,
- * and flood as needed. For now, we simply complain here and
- * do nothing about it :-)
- */
- if ((flags & IFF_PROMISC) && (ndev->flags & IFF_PROMISC))
- dev_err(&ndev->dev, "promiscuity ignored!\n");
-
- /*
- * The switch cannot filter multicast traffic unless it is configured
- * in "VLAN Aware" mode. Unfortunately, VLAN awareness requires a
- * whole bunch of additional logic that this driver does not implement
- * at present.
- */
- if ((flags & IFF_ALLMULTI) && !(ndev->flags & IFF_ALLMULTI))
- dev_err(&ndev->dev, "multicast traffic cannot be filtered!\n");
-}
-
#ifdef CONFIG_TI_CPTS
static void cpsw_hwtstamp_v1(struct cpsw_priv *priv)
@@ -1331,7 +1387,7 @@ static void cpsw_hwtstamp_v2(struct cpsw_priv *priv)
__raw_writel(ETH_P_1588, &priv->regs->ts_ltype);
}
-static int cpsw_hwtstamp_ioctl(struct net_device *dev, struct ifreq *ifr)
+static int cpsw_hwtstamp_set(struct net_device *dev, struct ifreq *ifr)
{
struct cpsw_priv *priv = netdev_priv(dev);
struct cpts *cpts = priv->cpts;
@@ -1392,6 +1448,24 @@ static int cpsw_hwtstamp_ioctl(struct net_device *dev, struct ifreq *ifr)
return copy_to_user(ifr->ifr_data, &cfg, sizeof(cfg)) ? -EFAULT : 0;
}
+static int cpsw_hwtstamp_get(struct net_device *dev, struct ifreq *ifr)
+{
+ struct cpsw_priv *priv = netdev_priv(dev);
+ struct cpts *cpts = priv->cpts;
+ struct hwtstamp_config cfg;
+
+ if (priv->version != CPSW_VERSION_1 &&
+ priv->version != CPSW_VERSION_2)
+ return -EOPNOTSUPP;
+
+ cfg.flags = 0;
+ cfg.tx_type = cpts->tx_enable ? HWTSTAMP_TX_ON : HWTSTAMP_TX_OFF;
+ cfg.rx_filter = (cpts->rx_enable ?
+ HWTSTAMP_FILTER_PTP_V2_EVENT : HWTSTAMP_FILTER_NONE);
+
+ return copy_to_user(ifr->ifr_data, &cfg, sizeof(cfg)) ? -EFAULT : 0;
+}
+
#endif /*CONFIG_TI_CPTS*/
static int cpsw_ndo_ioctl(struct net_device *dev, struct ifreq *req, int cmd)
@@ -1406,7 +1480,9 @@ static int cpsw_ndo_ioctl(struct net_device *dev, struct ifreq *req, int cmd)
switch (cmd) {
#ifdef CONFIG_TI_CPTS
case SIOCSHWTSTAMP:
- return cpsw_hwtstamp_ioctl(dev, req);
+ return cpsw_hwtstamp_set(dev, req);
+ case SIOCGHWTSTAMP:
+ return cpsw_hwtstamp_get(dev, req);
#endif
case SIOCGMIIPHY:
data->phy_id = priv->slaves[slave_no].phy->addr;
@@ -1555,7 +1631,6 @@ static const struct net_device_ops cpsw_netdev_ops = {
.ndo_open = cpsw_ndo_open,
.ndo_stop = cpsw_ndo_stop,
.ndo_start_xmit = cpsw_ndo_start_xmit,
- .ndo_change_rx_flags = cpsw_ndo_change_rx_flags,
.ndo_set_mac_address = cpsw_ndo_set_mac_address,
.ndo_do_ioctl = cpsw_ndo_ioctl,
.ndo_validate_addr = eth_validate_addr,
@@ -2137,8 +2212,8 @@ static int cpsw_probe(struct platform_device *pdev)
data->cpts_clock_mult, data->cpts_clock_shift))
dev_err(priv->dev, "error registering cpts device\n");
- cpsw_notice(priv, probe, "initialized device (regs %x, irq %d)\n",
- ss_res->start, ndev->irq);
+ cpsw_notice(priv, probe, "initialized device (regs %pa, irq %d)\n",
+ &ss_res->start, ndev->irq);
if (priv->data.dual_emac) {
ret = cpsw_probe_dual_emac(pdev, priv);
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2024-12-13 10:02:23 +0000