1 files changed, 230 insertions, 34 deletions

diff --git a/drivers/net/niu.c b/drivers/net/niu.c
index abfc61c..5f6beab 100644
--- a/drivers/net/niu.c
+++ b/drivers/net/niu.c
@@ -33,8 +33,8 @@
 
 #define DRV_MODULE_NAME		"niu"
 #define PFX DRV_MODULE_NAME	": "
-#define DRV_MODULE_VERSION	"0.5"
-#define DRV_MODULE_RELDATE	"October 5, 2007"
+#define DRV_MODULE_VERSION	"0.6"
+#define DRV_MODULE_RELDATE	"January 5, 2008"
 
 static char version[] __devinitdata =
 	DRV_MODULE_NAME ".c:v" DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
@@ -801,22 +801,90 @@ static int bcm8704_init_user_dev3(struct niu *np)
 	return 0;
 }
 
-static int xcvr_init_10g(struct niu *np)
+static int mrvl88x2011_act_led(struct niu *np, int val)
+{
+	int	err;
+
+	err  = mdio_read(np, np->phy_addr, MRVL88X2011_USER_DEV2_ADDR,
+		MRVL88X2011_LED_8_TO_11_CTL);
+	if (err < 0)
+		return err;
+
+	err &= ~MRVL88X2011_LED(MRVL88X2011_LED_ACT,MRVL88X2011_LED_CTL_MASK);
+	err |=  MRVL88X2011_LED(MRVL88X2011_LED_ACT,val);
+
+	return mdio_write(np, np->phy_addr, MRVL88X2011_USER_DEV2_ADDR,
+			  MRVL88X2011_LED_8_TO_11_CTL, err);
+}
+
+static int mrvl88x2011_led_blink_rate(struct niu *np, int rate)
+{
+	int	err;
+
+	err = mdio_read(np, np->phy_addr, MRVL88X2011_USER_DEV2_ADDR,
+			MRVL88X2011_LED_BLINK_CTL);
+	if (err >= 0) {
+		err &= ~MRVL88X2011_LED_BLKRATE_MASK;
+		err |= (rate << 4);
+
+		err = mdio_write(np, np->phy_addr, MRVL88X2011_USER_DEV2_ADDR,
+				 MRVL88X2011_LED_BLINK_CTL, err);
+	}
+
+	return err;
+}
+
+static int xcvr_init_10g_mrvl88x2011(struct niu *np)
+{
+	int	err;
+
+	/* Set LED functions */
+	err = mrvl88x2011_led_blink_rate(np, MRVL88X2011_LED_BLKRATE_134MS);
+	if (err)
+		return err;
+
+	/* led activity */
+	err = mrvl88x2011_act_led(np, MRVL88X2011_LED_CTL_OFF);
+	if (err)
+		return err;
+
+	err = mdio_read(np, np->phy_addr, MRVL88X2011_USER_DEV3_ADDR,
+			MRVL88X2011_GENERAL_CTL);
+	if (err < 0)
+		return err;
+
+	err |= MRVL88X2011_ENA_XFPREFCLK;
+
+	err = mdio_write(np, np->phy_addr, MRVL88X2011_USER_DEV3_ADDR,
+			 MRVL88X2011_GENERAL_CTL, err);
+	if (err < 0)
+		return err;
+
+	err = mdio_read(np, np->phy_addr, MRVL88X2011_USER_DEV1_ADDR,
+			MRVL88X2011_PMA_PMD_CTL_1);
+	if (err < 0)
+		return err;
+
+	if (np->link_config.loopback_mode == LOOPBACK_MAC)
+		err |= MRVL88X2011_LOOPBACK;
+	else
+		err &= ~MRVL88X2011_LOOPBACK;
+
+	err = mdio_write(np, np->phy_addr, MRVL88X2011_USER_DEV1_ADDR,
+			 MRVL88X2011_PMA_PMD_CTL_1, err);
+	if (err < 0)
+		return err;
+
+	/* Enable PMD  */
+	return mdio_write(np, np->phy_addr, MRVL88X2011_USER_DEV1_ADDR,
+			  MRVL88X2011_10G_PMD_TX_DIS, MRVL88X2011_ENA_PMDTX);
+}
+
+static int xcvr_init_10g_bcm8704(struct niu *np)
 {
 	struct niu_link_config *lp = &np->link_config;
 	u16 analog_stat0, tx_alarm_status;
 	int err;
-	u64 val;
-
-	val = nr64_mac(XMAC_CONFIG);
-	val &= ~XMAC_CONFIG_LED_POLARITY;
-	val |= XMAC_CONFIG_FORCE_LED_ON;
-	nw64_mac(XMAC_CONFIG, val);
-
-	/* XXX shared resource, lock parent XXX */
-	val = nr64(MIF_CONFIG);
-	val |= MIF_CONFIG_INDIRECT_MODE;
-	nw64(MIF_CONFIG, val);
 
 	err = bcm8704_reset(np);
 	if (err)
@@ -896,6 +964,38 @@ static int xcvr_init_10g(struct niu *np)
 	return 0;
 }
 
+static int xcvr_init_10g(struct niu *np)
+{
+	int phy_id, err;
+	u64 val;
+
+	val = nr64_mac(XMAC_CONFIG);
+	val &= ~XMAC_CONFIG_LED_POLARITY;
+	val |= XMAC_CONFIG_FORCE_LED_ON;
+	nw64_mac(XMAC_CONFIG, val);
+
+	/* XXX shared resource, lock parent XXX */
+	val = nr64(MIF_CONFIG);
+	val |= MIF_CONFIG_INDIRECT_MODE;
+	nw64(MIF_CONFIG, val);
+
+	phy_id = phy_decode(np->parent->port_phy, np->port);
+	phy_id = np->parent->phy_probe_info.phy_id[phy_id][np->port];
+
+	/* handle different phy types */
+	switch (phy_id & NIU_PHY_ID_MASK) {
+	case NIU_PHY_ID_MRVL88X2011:
+		err = xcvr_init_10g_mrvl88x2011(np);
+		break;
+
+	default: /* bcom 8704 */
+		err = xcvr_init_10g_bcm8704(np);
+		break;
+	}
+
+	return 0;
+}
+
 static int mii_reset(struct niu *np)
 {
 	int limit, err;
@@ -1082,19 +1182,68 @@ static int niu_link_status_common(struct niu *np, int link_up)
 	return 0;
 }
 
-static int link_status_10g(struct niu *np, int *link_up_p)
+static int link_status_10g_mrvl(struct niu *np, int *link_up_p)
 {
-	unsigned long flags;
-	int err, link_up;
+	int err, link_up, pma_status, pcs_status;
 
 	link_up = 0;
 
-	spin_lock_irqsave(&np->lock, flags);
+	err = mdio_read(np, np->phy_addr, MRVL88X2011_USER_DEV1_ADDR,
+			MRVL88X2011_10G_PMD_STATUS_2);
+	if (err < 0)
+		goto out;
 
-	err = -EINVAL;
-	if (np->link_config.loopback_mode != LOOPBACK_DISABLED)
+	/* Check PMA/PMD Register: 1.0001.2 == 1 */
+	err = mdio_read(np, np->phy_addr, MRVL88X2011_USER_DEV1_ADDR,
+			MRVL88X2011_PMA_PMD_STATUS_1);
+	if (err < 0)
+		goto out;
+
+	pma_status = ((err & MRVL88X2011_LNK_STATUS_OK) ? 1 : 0);
+
+        /* Check PMC Register : 3.0001.2 == 1: read twice */
+	err = mdio_read(np, np->phy_addr, MRVL88X2011_USER_DEV3_ADDR,
+			MRVL88X2011_PMA_PMD_STATUS_1);
+	if (err < 0)
+		goto out;
+
+	err = mdio_read(np, np->phy_addr, MRVL88X2011_USER_DEV3_ADDR,
+			MRVL88X2011_PMA_PMD_STATUS_1);
+	if (err < 0)
 		goto out;
 
+	pcs_status = ((err & MRVL88X2011_LNK_STATUS_OK) ? 1 : 0);
+
+        /* Check XGXS Register : 4.0018.[0-3,12] */
+	err = mdio_read(np, np->phy_addr, MRVL88X2011_USER_DEV4_ADDR,
+			MRVL88X2011_10G_XGXS_LANE_STAT);
+	if (err < 0)
+		goto out;
+
+	if (err == (PHYXS_XGXS_LANE_STAT_ALINGED | PHYXS_XGXS_LANE_STAT_LANE3 |
+		    PHYXS_XGXS_LANE_STAT_LANE2 | PHYXS_XGXS_LANE_STAT_LANE1 |
+		    PHYXS_XGXS_LANE_STAT_LANE0 | PHYXS_XGXS_LANE_STAT_MAGIC |
+		    0x800))
+		link_up = (pma_status && pcs_status) ? 1 : 0;
+
+	np->link_config.active_speed = SPEED_10000;
+	np->link_config.active_duplex = DUPLEX_FULL;
+	err = 0;
+out:
+	mrvl88x2011_act_led(np, (link_up ?
+				 MRVL88X2011_LED_CTL_PCS_ACT :
+				 MRVL88X2011_LED_CTL_OFF));
+
+	*link_up_p = link_up;
+	return err;
+}
+
+static int link_status_10g_bcom(struct niu *np, int *link_up_p)
+{
+	int err, link_up;
+
+	link_up = 0;
+
 	err = mdio_read(np, np->phy_addr, BCM8704_PMA_PMD_DEV_ADDR,
 			BCM8704_PMD_RCV_SIGDET);
 	if (err < 0)
@@ -1134,14 +1283,43 @@ static int link_status_10g(struct niu *np, int *link_up_p)
 	err = 0;
 
 out:
+	*link_up_p = link_up;
+	return err;
+}
+
+static int link_status_10g(struct niu *np, int *link_up_p)
+{
+	unsigned long flags;
+	int err = -EINVAL;
+
+	spin_lock_irqsave(&np->lock, flags);
+
+	if (np->link_config.loopback_mode == LOOPBACK_DISABLED) {
+		int phy_id;
+
+		phy_id = phy_decode(np->parent->port_phy, np->port);
+		phy_id = np->parent->phy_probe_info.phy_id[phy_id][np->port];
+
+		/* handle different phy types */
+		switch (phy_id & NIU_PHY_ID_MASK) {
+		case NIU_PHY_ID_MRVL88X2011:
+			err = link_status_10g_mrvl(np, link_up_p);
+			break;
+
+		default: /* bcom 8704 */
+			err = link_status_10g_bcom(np, link_up_p);
+			break;
+		}
+	}
+
 	spin_unlock_irqrestore(&np->lock, flags);
 
-	*link_up_p = link_up;
 	return err;
 }
 
 static int link_status_1g(struct niu *np, int *link_up_p)
 {
+	struct niu_link_config *lp = &np->link_config;
 	u16 current_speed, bmsr;
 	unsigned long flags;
 	u8 current_duplex;
@@ -1209,6 +1387,8 @@ static int link_status_1g(struct niu *np, int *link_up_p)
 				link_up = 0;
 		}
 	}
+	lp->active_speed = current_speed;
+	lp->active_duplex = current_duplex;
 	err = 0;
 
 out:
@@ -2241,6 +2421,8 @@ static int niu_process_rx_pkt(struct niu *np, struct rx_ring_info *rp)
 	skb->protocol = eth_type_trans(skb, np->dev);
 	netif_receive_skb(skb);
 
+	np->dev->last_rx = jiffies;
+
 	return num_rcr;
 }
 
@@ -2508,15 +2690,19 @@ static int niu_rx_error(struct niu *np, struct rx_ring_info *rp)
 	u64 stat = nr64(RX_DMA_CTL_STAT(rp->rx_channel));
 	int err = 0;
 
-	dev_err(np->device, PFX "%s: RX channel %u error, stat[%llx]\n",
-		np->dev->name, rp->rx_channel, (unsigned long long) stat);
-
-	niu_log_rxchan_errors(np, rp, stat);
 
 	if (stat & (RX_DMA_CTL_STAT_CHAN_FATAL |
 		    RX_DMA_CTL_STAT_PORT_FATAL))
 		err = -EINVAL;
 
+	if (err) {
+		dev_err(np->device, PFX "%s: RX channel %u error, stat[%llx]\n",
+			np->dev->name, rp->rx_channel,
+			(unsigned long long) stat);
+
+		niu_log_rxchan_errors(np, rp, stat);
+	}
+
 	nw64(RX_DMA_CTL_STAT(rp->rx_channel),
 	     stat & RX_DMA_CTL_WRITE_CLEAR_ERRS);
 
@@ -2749,13 +2935,16 @@ static int niu_device_error(struct niu *np)
 	return -ENODEV;
 }
 
-static int niu_slowpath_interrupt(struct niu *np, struct niu_ldg *lp)
+static int niu_slowpath_interrupt(struct niu *np, struct niu_ldg *lp,
+			      u64 v0, u64 v1, u64 v2)
 {
-	u64 v0 = lp->v0;
-	u64 v1 = lp->v1;
-	u64 v2 = lp->v2;
+
 	int i, err = 0;
 
+	lp->v0 = v0;
+	lp->v1 = v1;
+	lp->v2 = v2;
+
 	if (v1 & 0x00000000ffffffffULL) {
 		u32 rx_vec = (v1 & 0xffffffff);
 
@@ -2764,8 +2953,13 @@ static int niu_slowpath_interrupt(struct niu *np, struct niu_ldg *lp)
 
 			if (rx_vec & (1 << rp->rx_channel)) {
 				int r = niu_rx_error(np, rp);
-				if (r)
+				if (r) {
 					err = r;
+				} else {
+					if (!v0)
+						nw64(RX_DMA_CTL_STAT(rp->rx_channel),
+						     RX_DMA_CTL_STAT_MEX);
+				}
 			}
 		}
 	}
@@ -2803,7 +2997,7 @@ static int niu_slowpath_interrupt(struct niu *np, struct niu_ldg *lp)
 	if (err)
 		niu_enable_interrupts(np, 0);
 
-	return -EINVAL;
+	return err;
 }
 
 static void niu_rxchan_intr(struct niu *np, struct rx_ring_info *rp,
@@ -2905,7 +3099,7 @@ static irqreturn_t niu_interrupt(int irq, void *dev_id)
 	}
 
 	if (unlikely((v0 & ((u64)1 << LDN_MIF)) || v1 || v2)) {
-		int err = niu_slowpath_interrupt(np, lp);
+		int err = niu_slowpath_interrupt(np, lp, v0, v1, v2);
 		if (err)
 			goto out;
 	}
@@ -5194,7 +5388,8 @@ static int niu_start_xmit(struct sk_buff *skb, struct net_device *dev)
 		}
 		kfree_skb(skb);
 		skb = skb_new;
-	}
+	} else
+		skb_orphan(skb);
 
 	align = ((unsigned long) skb->data & (16 - 1));
 	headroom = align + sizeof(struct tx_pkt_hdr);
@@ -6282,7 +6477,8 @@ static int __devinit phy_record(struct niu_parent *parent,
 	if (dev_id_1 < 0 || dev_id_2 < 0)
 		return 0;
 	if (type == PHY_TYPE_PMA_PMD || type == PHY_TYPE_PCS) {
-		if ((id & NIU_PHY_ID_MASK) != NIU_PHY_ID_BCM8704)
+		if (((id & NIU_PHY_ID_MASK) != NIU_PHY_ID_BCM8704) &&
+		    ((id & NIU_PHY_ID_MASK) != NIU_PHY_ID_MRVL88X2011))
 			return 0;
 	} else {
 		if ((id & NIU_PHY_ID_MASK) != NIU_PHY_ID_BCM5464R)