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Diffstat (limited to 'drivers/net/skge.c')
-rw-r--r--drivers/net/skge.c565
1 files changed, 370 insertions, 195 deletions
diff --git a/drivers/net/skge.c b/drivers/net/skge.c
index ad878dfddef..705e9a8fa30 100644
--- a/drivers/net/skge.c
+++ b/drivers/net/skge.c
@@ -43,7 +43,7 @@
#include "skge.h"
#define DRV_NAME "skge"
-#define DRV_VERSION "1.6"
+#define DRV_VERSION "1.8"
#define PFX DRV_NAME " "
#define DEFAULT_TX_RING_SIZE 128
@@ -58,6 +58,7 @@
#define TX_WATCHDOG (5 * HZ)
#define NAPI_WEIGHT 64
#define BLINK_MS 250
+#define LINK_HZ (HZ/2)
MODULE_DESCRIPTION("SysKonnect Gigabit Ethernet driver");
MODULE_AUTHOR("Stephen Hemminger <shemminger@osdl.org>");
@@ -91,7 +92,7 @@ MODULE_DEVICE_TABLE(pci, skge_id_table);
static int skge_up(struct net_device *dev);
static int skge_down(struct net_device *dev);
static void skge_phy_reset(struct skge_port *skge);
-static void skge_tx_clean(struct skge_port *skge);
+static void skge_tx_clean(struct net_device *dev);
static int xm_phy_write(struct skge_hw *hw, int port, u16 reg, u16 val);
static int gm_phy_write(struct skge_hw *hw, int port, u16 reg, u16 val);
static void genesis_get_stats(struct skge_port *skge, u64 *data);
@@ -105,6 +106,7 @@ static const int txqaddr[] = { Q_XA1, Q_XA2 };
static const int rxqaddr[] = { Q_R1, Q_R2 };
static const u32 rxirqmask[] = { IS_R1_F, IS_R2_F };
static const u32 txirqmask[] = { IS_XA1_F, IS_XA2_F };
+static const u32 irqmask[] = { IS_R1_F|IS_XA1_F, IS_R2_F|IS_XA2_F };
static int skge_get_regs_len(struct net_device *dev)
{
@@ -604,7 +606,12 @@ static void skge_led(struct skge_port *skge, enum led_mode mode)
if (hw->chip_id == CHIP_ID_GENESIS) {
switch (mode) {
case LED_MODE_OFF:
- xm_phy_write(hw, port, PHY_BCOM_P_EXT_CTRL, PHY_B_PEC_LED_OFF);
+ if (hw->phy_type == SK_PHY_BCOM)
+ xm_phy_write(hw, port, PHY_BCOM_P_EXT_CTRL, PHY_B_PEC_LED_OFF);
+ else {
+ skge_write32(hw, SK_REG(port, TX_LED_VAL), 0);
+ skge_write8(hw, SK_REG(port, TX_LED_CTRL), LED_T_OFF);
+ }
skge_write8(hw, SK_REG(port, LNK_LED_REG), LINKLED_OFF);
skge_write32(hw, SK_REG(port, RX_LED_VAL), 0);
skge_write8(hw, SK_REG(port, RX_LED_CTRL), LED_T_OFF);
@@ -624,8 +631,14 @@ static void skge_led(struct skge_port *skge, enum led_mode mode)
skge_write32(hw, SK_REG(port, RX_LED_VAL), 100);
skge_write8(hw, SK_REG(port, RX_LED_CTRL), LED_START);
- xm_phy_write(hw, port, PHY_BCOM_P_EXT_CTRL, PHY_B_PEC_LED_ON);
- break;
+ if (hw->phy_type == SK_PHY_BCOM)
+ xm_phy_write(hw, port, PHY_BCOM_P_EXT_CTRL, PHY_B_PEC_LED_ON);
+ else {
+ skge_write8(hw, SK_REG(port, TX_LED_TST), LED_T_ON);
+ skge_write32(hw, SK_REG(port, TX_LED_VAL), 100);
+ skge_write8(hw, SK_REG(port, TX_LED_CTRL), LED_START);
+ }
+
}
} else {
switch (mode) {
@@ -690,7 +703,7 @@ static int skge_phys_id(struct net_device *dev, u32 data)
return 0;
}
-static struct ethtool_ops skge_ethtool_ops = {
+static const struct ethtool_ops skge_ethtool_ops = {
.get_settings = skge_get_settings,
.set_settings = skge_set_settings,
.get_drvinfo = skge_get_drvinfo,
@@ -818,8 +831,9 @@ static void skge_rx_clean(struct skge_port *skge)
/* Allocate buffers for receive ring
* For receive: to_clean is next received frame.
*/
-static int skge_rx_fill(struct skge_port *skge)
+static int skge_rx_fill(struct net_device *dev)
{
+ struct skge_port *skge = netdev_priv(dev);
struct skge_ring *ring = &skge->rx_ring;
struct skge_element *e;
@@ -827,7 +841,8 @@ static int skge_rx_fill(struct skge_port *skge)
do {
struct sk_buff *skb;
- skb = alloc_skb(skge->rx_buf_size + NET_IP_ALIGN, GFP_KERNEL);
+ skb = __netdev_alloc_skb(dev, skge->rx_buf_size + NET_IP_ALIGN,
+ GFP_KERNEL);
if (!skb)
return -ENOMEM;
@@ -876,6 +891,9 @@ static int __xm_phy_read(struct skge_hw *hw, int port, u16 reg, u16 *val)
xm_write16(hw, port, XM_PHY_ADDR, reg | hw->phy_addr);
*val = xm_read16(hw, port, XM_PHY_DATA);
+ if (hw->phy_type == SK_PHY_XMAC)
+ goto ready;
+
for (i = 0; i < PHY_RETRIES; i++) {
if (xm_read16(hw, port, XM_MMU_CMD) & XM_MMU_PHY_RDY)
goto ready;
@@ -962,7 +980,8 @@ static void genesis_reset(struct skge_hw *hw, int port)
xm_write16(hw, port, XM_RX_CMD, 0); /* reset RX CMD Reg */
/* disable Broadcom PHY IRQ */
- xm_write16(hw, port, PHY_BCOM_INT_MASK, 0xffff);
+ if (hw->phy_type == SK_PHY_BCOM)
+ xm_write16(hw, port, PHY_BCOM_INT_MASK, 0xffff);
xm_outhash(hw, port, XM_HSM, zero);
}
@@ -997,60 +1016,64 @@ static void bcom_check_link(struct skge_hw *hw, int port)
if (netif_carrier_ok(dev))
skge_link_down(skge);
- } else {
- if (skge->autoneg == AUTONEG_ENABLE &&
- (status & PHY_ST_AN_OVER)) {
- u16 lpa = xm_phy_read(hw, port, PHY_BCOM_AUNE_LP);
- u16 aux = xm_phy_read(hw, port, PHY_BCOM_AUX_STAT);
-
- if (lpa & PHY_B_AN_RF) {
- printk(KERN_NOTICE PFX "%s: remote fault\n",
- dev->name);
- return;
- }
+ return;
+ }
- /* Check Duplex mismatch */
- switch (aux & PHY_B_AS_AN_RES_MSK) {
- case PHY_B_RES_1000FD:
- skge->duplex = DUPLEX_FULL;
- break;
- case PHY_B_RES_1000HD:
- skge->duplex = DUPLEX_HALF;
- break;
- default:
- printk(KERN_NOTICE PFX "%s: duplex mismatch\n",
- dev->name);
- return;
- }
+ if (skge->autoneg == AUTONEG_ENABLE) {
+ u16 lpa, aux;
+ if (!(status & PHY_ST_AN_OVER))
+ return;
- /* We are using IEEE 802.3z/D5.0 Table 37-4 */
- switch (aux & PHY_B_AS_PAUSE_MSK) {
- case PHY_B_AS_PAUSE_MSK:
- skge->flow_control = FLOW_MODE_SYMMETRIC;
- break;
- case PHY_B_AS_PRR:
- skge->flow_control = FLOW_MODE_REM_SEND;
- break;
- case PHY_B_AS_PRT:
- skge->flow_control = FLOW_MODE_LOC_SEND;
- break;
- default:
- skge->flow_control = FLOW_MODE_NONE;
- }
+ lpa = xm_phy_read(hw, port, PHY_XMAC_AUNE_LP);
+ if (lpa & PHY_B_AN_RF) {
+ printk(KERN_NOTICE PFX "%s: remote fault\n",
+ dev->name);
+ return;
+ }
- skge->speed = SPEED_1000;
+ aux = xm_phy_read(hw, port, PHY_BCOM_AUX_STAT);
+
+ /* Check Duplex mismatch */
+ switch (aux & PHY_B_AS_AN_RES_MSK) {
+ case PHY_B_RES_1000FD:
+ skge->duplex = DUPLEX_FULL;
+ break;
+ case PHY_B_RES_1000HD:
+ skge->duplex = DUPLEX_HALF;
+ break;
+ default:
+ printk(KERN_NOTICE PFX "%s: duplex mismatch\n",
+ dev->name);
+ return;
}
- if (!netif_carrier_ok(dev))
- genesis_link_up(skge);
+
+ /* We are using IEEE 802.3z/D5.0 Table 37-4 */
+ switch (aux & PHY_B_AS_PAUSE_MSK) {
+ case PHY_B_AS_PAUSE_MSK:
+ skge->flow_control = FLOW_MODE_SYMMETRIC;
+ break;
+ case PHY_B_AS_PRR:
+ skge->flow_control = FLOW_MODE_REM_SEND;
+ break;
+ case PHY_B_AS_PRT:
+ skge->flow_control = FLOW_MODE_LOC_SEND;
+ break;
+ default:
+ skge->flow_control = FLOW_MODE_NONE;
+ }
+ skge->speed = SPEED_1000;
}
+
+ if (!netif_carrier_ok(dev))
+ genesis_link_up(skge);
}
/* Broadcom 5400 only supports giagabit! SysKonnect did not put an additional
* Phy on for 100 or 10Mbit operation
*/
-static void bcom_phy_init(struct skge_port *skge, int jumbo)
+static void bcom_phy_init(struct skge_port *skge)
{
struct skge_hw *hw = skge->hw;
int port = skge->port;
@@ -1141,7 +1164,7 @@ static void bcom_phy_init(struct skge_port *skge, int jumbo)
phy_pause_map[skge->flow_control] | PHY_AN_CSMA);
/* Handle Jumbo frames */
- if (jumbo) {
+ if (hw->dev[port]->mtu > ETH_DATA_LEN) {
xm_phy_write(hw, port, PHY_BCOM_AUX_CTRL,
PHY_B_AC_TX_TST | PHY_B_AC_LONG_PACK);
@@ -1154,8 +1177,154 @@ static void bcom_phy_init(struct skge_port *skge, int jumbo)
/* Use link status change interrupt */
xm_phy_write(hw, port, PHY_BCOM_INT_MASK, PHY_B_DEF_MSK);
+}
+
+static void xm_phy_init(struct skge_port *skge)
+{
+ struct skge_hw *hw = skge->hw;
+ int port = skge->port;
+ u16 ctrl = 0;
+
+ if (skge->autoneg == AUTONEG_ENABLE) {
+ if (skge->advertising & ADVERTISED_1000baseT_Half)
+ ctrl |= PHY_X_AN_HD;
+ if (skge->advertising & ADVERTISED_1000baseT_Full)
+ ctrl |= PHY_X_AN_FD;
+
+ switch(skge->flow_control) {
+ case FLOW_MODE_NONE:
+ ctrl |= PHY_X_P_NO_PAUSE;
+ break;
+ case FLOW_MODE_LOC_SEND:
+ ctrl |= PHY_X_P_ASYM_MD;
+ break;
+ case FLOW_MODE_SYMMETRIC:
+ ctrl |= PHY_X_P_BOTH_MD;
+ break;
+ }
+
+ xm_phy_write(hw, port, PHY_XMAC_AUNE_ADV, ctrl);
+
+ /* Restart Auto-negotiation */
+ ctrl = PHY_CT_ANE | PHY_CT_RE_CFG;
+ } else {
+ /* Set DuplexMode in Config register */
+ if (skge->duplex == DUPLEX_FULL)
+ ctrl |= PHY_CT_DUP_MD;
+ /*
+ * Do NOT enable Auto-negotiation here. This would hold
+ * the link down because no IDLEs are transmitted
+ */
+ }
+
+ xm_phy_write(hw, port, PHY_XMAC_CTRL, ctrl);
+
+ /* Poll PHY for status changes */
+ schedule_delayed_work(&skge->link_thread, LINK_HZ);
+}
+
+static void xm_check_link(struct net_device *dev)
+{
+ struct skge_port *skge = netdev_priv(dev);
+ struct skge_hw *hw = skge->hw;
+ int port = skge->port;
+ u16 status;
+
+ /* read twice because of latch */
+ (void) xm_phy_read(hw, port, PHY_XMAC_STAT);
+ status = xm_phy_read(hw, port, PHY_XMAC_STAT);
+
+ if ((status & PHY_ST_LSYNC) == 0) {
+ u16 cmd = xm_read16(hw, port, XM_MMU_CMD);
+ cmd &= ~(XM_MMU_ENA_RX | XM_MMU_ENA_TX);
+ xm_write16(hw, port, XM_MMU_CMD, cmd);
+ /* dummy read to ensure writing */
+ (void) xm_read16(hw, port, XM_MMU_CMD);
+
+ if (netif_carrier_ok(dev))
+ skge_link_down(skge);
+ return;
+ }
+
+ if (skge->autoneg == AUTONEG_ENABLE) {
+ u16 lpa, res;
+
+ if (!(status & PHY_ST_AN_OVER))
+ return;
+
+ lpa = xm_phy_read(hw, port, PHY_XMAC_AUNE_LP);
+ if (lpa & PHY_B_AN_RF) {
+ printk(KERN_NOTICE PFX "%s: remote fault\n",
+ dev->name);
+ return;
+ }
+
+ res = xm_phy_read(hw, port, PHY_XMAC_RES_ABI);
+
+ /* Check Duplex mismatch */
+ switch (res & (PHY_X_RS_HD | PHY_X_RS_FD)) {
+ case PHY_X_RS_FD:
+ skge->duplex = DUPLEX_FULL;
+ break;
+ case PHY_X_RS_HD:
+ skge->duplex = DUPLEX_HALF;
+ break;
+ default:
+ printk(KERN_NOTICE PFX "%s: duplex mismatch\n",
+ dev->name);
+ return;
+ }
+
+ /* We are using IEEE 802.3z/D5.0 Table 37-4 */
+ if (lpa & PHY_X_P_SYM_MD)
+ skge->flow_control = FLOW_MODE_SYMMETRIC;
+ else if ((lpa & PHY_X_RS_PAUSE) == PHY_X_P_ASYM_MD)
+ skge->flow_control = FLOW_MODE_REM_SEND;
+ else if ((lpa & PHY_X_RS_PAUSE) == PHY_X_P_BOTH_MD)
+ skge->flow_control = FLOW_MODE_LOC_SEND;
+ else
+ skge->flow_control = FLOW_MODE_NONE;
+
+
+ skge->speed = SPEED_1000;
+ }
+
+ if (!netif_carrier_ok(dev))
+ genesis_link_up(skge);
+}
+
+/* Poll to check for link coming up.
+ * Since internal PHY is wired to a level triggered pin, can't
+ * get an interrupt when carrier is detected.
+ */
+static void xm_link_timer(void *arg)
+{
+ struct net_device *dev = arg;
+ struct skge_port *skge = netdev_priv(arg);
+ struct skge_hw *hw = skge->hw;
+ int port = skge->port;
+
+ if (!netif_running(dev))
+ return;
+
+ if (netif_carrier_ok(dev)) {
+ xm_read16(hw, port, XM_ISRC);
+ if (!(xm_read16(hw, port, XM_ISRC) & XM_IS_INP_ASS))
+ goto nochange;
+ } else {
+ if (xm_read32(hw, port, XM_GP_PORT) & XM_GP_INP_ASS)
+ goto nochange;
+ xm_read16(hw, port, XM_ISRC);
+ if (xm_read16(hw, port, XM_ISRC) & XM_IS_INP_ASS)
+ goto nochange;
+ }
+
+ mutex_lock(&hw->phy_mutex);
+ xm_check_link(dev);
+ mutex_unlock(&hw->phy_mutex);
- bcom_check_link(hw, port);
+nochange:
+ schedule_delayed_work(&skge->link_thread, LINK_HZ);
}
static void genesis_mac_init(struct skge_hw *hw, int port)
@@ -1186,20 +1355,29 @@ static void genesis_mac_init(struct skge_hw *hw, int port)
* namely for the 1000baseTX cards that use the XMAC's
* GMII mode.
*/
- /* Take external Phy out of reset */
- r = skge_read32(hw, B2_GP_IO);
- if (port == 0)
- r |= GP_DIR_0|GP_IO_0;
- else
- r |= GP_DIR_2|GP_IO_2;
+ if (hw->phy_type != SK_PHY_XMAC) {
+ /* Take external Phy out of reset */
+ r = skge_read32(hw, B2_GP_IO);
+ if (port == 0)
+ r |= GP_DIR_0|GP_IO_0;
+ else
+ r |= GP_DIR_2|GP_IO_2;
- skge_write32(hw, B2_GP_IO, r);
+ skge_write32(hw, B2_GP_IO, r);
+ /* Enable GMII interface */
+ xm_write16(hw, port, XM_HW_CFG, XM_HW_GMII_MD);
+ }
- /* Enable GMII interface */
- xm_write16(hw, port, XM_HW_CFG, XM_HW_GMII_MD);
- bcom_phy_init(skge, jumbo);
+ switch(hw->phy_type) {
+ case SK_PHY_XMAC:
+ xm_phy_init(skge);
+ break;
+ case SK_PHY_BCOM:
+ bcom_phy_init(skge);
+ bcom_check_link(hw, port);
+ }
/* Set Station Address */
xm_outaddr(hw, port, XM_SA, dev->dev_addr);
@@ -1332,16 +1510,18 @@ static void genesis_stop(struct skge_port *skge)
skge_write16(hw, SK_REG(port, TX_MFF_CTRL1), MFF_SET_MAC_RST);
/* For external PHYs there must be special handling */
- reg = skge_read32(hw, B2_GP_IO);
- if (port == 0) {
- reg |= GP_DIR_0;
- reg &= ~GP_IO_0;
- } else {
- reg |= GP_DIR_2;
- reg &= ~GP_IO_2;
+ if (hw->phy_type != SK_PHY_XMAC) {
+ reg = skge_read32(hw, B2_GP_IO);
+ if (port == 0) {
+ reg |= GP_DIR_0;
+ reg &= ~GP_IO_0;
+ } else {
+ reg |= GP_DIR_2;
+ reg &= ~GP_IO_2;
+ }
+ skge_write32(hw, B2_GP_IO, reg);
+ skge_read32(hw, B2_GP_IO);
}
- skge_write32(hw, B2_GP_IO, reg);
- skge_read32(hw, B2_GP_IO);
xm_write16(hw, port, XM_MMU_CMD,
xm_read16(hw, port, XM_MMU_CMD)
@@ -1403,7 +1583,7 @@ static void genesis_link_up(struct skge_port *skge)
struct skge_hw *hw = skge->hw;
int port = skge->port;
u16 cmd;
- u32 mode, msk;
+ u32 mode;
cmd = xm_read16(hw, port, XM_MMU_CMD);
@@ -1451,27 +1631,24 @@ static void genesis_link_up(struct skge_port *skge)
}
xm_write32(hw, port, XM_MODE, mode);
-
- msk = XM_DEF_MSK;
- /* disable GP0 interrupt bit for external Phy */
- msk |= XM_IS_INP_ASS;
-
- xm_write16(hw, port, XM_IMSK, msk);
+ xm_write16(hw, port, XM_IMSK, XM_DEF_MSK);
xm_read16(hw, port, XM_ISRC);
/* get MMU Command Reg. */
cmd = xm_read16(hw, port, XM_MMU_CMD);
- if (skge->duplex == DUPLEX_FULL)
+ if (hw->phy_type != SK_PHY_XMAC && skge->duplex == DUPLEX_FULL)
cmd |= XM_MMU_GMII_FD;
/*
* Workaround BCOM Errata (#10523) for all BCom Phys
* Enable Power Management after link up
*/
- xm_phy_write(hw, port, PHY_BCOM_AUX_CTRL,
- xm_phy_read(hw, port, PHY_BCOM_AUX_CTRL)
- & ~PHY_B_AC_DIS_PM);
- xm_phy_write(hw, port, PHY_BCOM_INT_MASK, PHY_B_DEF_MSK);
+ if (hw->phy_type == SK_PHY_BCOM) {
+ xm_phy_write(hw, port, PHY_BCOM_AUX_CTRL,
+ xm_phy_read(hw, port, PHY_BCOM_AUX_CTRL)
+ & ~PHY_B_AC_DIS_PM);
+ xm_phy_write(hw, port, PHY_BCOM_INT_MASK, PHY_B_DEF_MSK);
+ }
/* enable Rx/Tx */
xm_write16(hw, port, XM_MMU_CMD,
@@ -2178,7 +2355,7 @@ static int skge_up(struct net_device *dev)
if (err)
goto free_pci_mem;
- err = skge_rx_fill(skge);
+ err = skge_rx_fill(dev);
if (err)
goto free_rx_ring;
@@ -2237,6 +2414,8 @@ static int skge_down(struct net_device *dev)
printk(KERN_INFO PFX "%s: disabling interface\n", dev->name);
netif_stop_queue(dev);
+ if (hw->chip_id == CHIP_ID_GENESIS && hw->phy_type == SK_PHY_XMAC)
+ cancel_rearming_delayed_work(&skge->link_thread);
skge_write8(skge->hw, SK_REG(skge->port, LNK_LED_REG), LED_OFF);
if (hw->chip_id == CHIP_ID_GENESIS)
@@ -2281,7 +2460,7 @@ static int skge_down(struct net_device *dev)
skge_led(skge, LED_MODE_OFF);
netif_poll_disable(dev);
- skge_tx_clean(skge);
+ skge_tx_clean(dev);
skge_rx_clean(skge);
kfree(skge->rx_ring.start);
@@ -2306,25 +2485,12 @@ static int skge_xmit_frame(struct sk_buff *skb, struct net_device *dev)
int i;
u32 control, len;
u64 map;
- unsigned long flags;
if (skb_padto(skb, ETH_ZLEN))
return NETDEV_TX_OK;
- if (!spin_trylock_irqsave(&skge->tx_lock, flags))
- /* Collision - tell upper layer to requeue */
- return NETDEV_TX_LOCKED;
-
- if (unlikely(skge_avail(&skge->tx_ring) < skb_shinfo(skb)->nr_frags + 1)) {
- if (!netif_queue_stopped(dev)) {
- netif_stop_queue(dev);
-
- printk(KERN_WARNING PFX "%s: ring full when queue awake!\n",
- dev->name);
- }
- spin_unlock_irqrestore(&skge->tx_lock, flags);
+ if (unlikely(skge_avail(&skge->tx_ring) < skb_shinfo(skb)->nr_frags + 1))
return NETDEV_TX_BUSY;
- }
e = skge->tx_ring.to_use;
td = e->desc;
@@ -2338,7 +2504,7 @@ static int skge_xmit_frame(struct sk_buff *skb, struct net_device *dev)
td->dma_lo = map;
td->dma_hi = map >> 32;
- if (skb->ip_summed == CHECKSUM_HW) {
+ if (skb->ip_summed == CHECKSUM_PARTIAL) {
int offset = skb->h.raw - skb->data;
/* This seems backwards, but it is what the sk98lin
@@ -2399,8 +2565,6 @@ static int skge_xmit_frame(struct sk_buff *skb, struct net_device *dev)
netif_stop_queue(dev);
}
- spin_unlock_irqrestore(&skge->tx_lock, flags);
-
dev->trans_start = jiffies;
return NETDEV_TX_OK;
@@ -2430,18 +2594,18 @@ static void skge_tx_free(struct skge_port *skge, struct skge_element *e,
printk(KERN_DEBUG PFX "%s: tx done slot %td\n",
skge->netdev->name, e - skge->tx_ring.start);
- dev_kfree_skb_any(e->skb);
+ dev_kfree_skb(e->skb);
}
e->skb = NULL;
}
/* Free all buffers in transmit ring */
-static void skge_tx_clean(struct skge_port *skge)
+static void skge_tx_clean(struct net_device *dev)
{
+ struct skge_port *skge = netdev_priv(dev);
struct skge_element *e;
- unsigned long flags;
- spin_lock_irqsave(&skge->tx_lock, flags);
+ netif_tx_lock_bh(dev);
for (e = skge->tx_ring.to_clean; e != skge->tx_ring.to_use; e = e->next) {
struct skge_tx_desc *td = e->desc;
skge_tx_free(skge, e, td->control);
@@ -2449,8 +2613,8 @@ static void skge_tx_clean(struct skge_port *skge)
}
skge->tx_ring.to_clean = e;
- netif_wake_queue(skge->netdev);
- spin_unlock_irqrestore(&skge->tx_lock, flags);
+ netif_wake_queue(dev);
+ netif_tx_unlock_bh(dev);
}
static void skge_tx_timeout(struct net_device *dev)
@@ -2461,7 +2625,7 @@ static void skge_tx_timeout(struct net_device *dev)
printk(KERN_DEBUG PFX "%s: tx timeout\n", dev->name);
skge_write8(skge->hw, Q_ADDR(txqaddr[skge->port], Q_CSR), CSR_STOP);
- skge_tx_clean(skge);
+ skge_tx_clean(dev);
}
static int skge_change_mtu(struct net_device *dev, int new_mtu)
@@ -2584,16 +2748,17 @@ static inline int bad_phy_status(const struct skge_hw *hw, u32 status)
/* Get receive buffer from descriptor.
* Handles copy of small buffers and reallocation failures
*/
-static inline struct sk_buff *skge_rx_get(struct skge_port *skge,
- struct skge_element *e,
- u32 control, u32 status, u16 csum)
+static struct sk_buff *skge_rx_get(struct net_device *dev,
+ struct skge_element *e,
+ u32 control, u32 status, u16 csum)
{
+ struct skge_port *skge = netdev_priv(dev);
struct sk_buff *skb;
u16 len = control & BMU_BBC;
if (unlikely(netif_msg_rx_status(skge)))
printk(KERN_DEBUG PFX "%s: rx slot %td status 0x%x len %d\n",
- skge->netdev->name, e - skge->rx_ring.start,
+ dev->name, e - skge->rx_ring.start,
status, len);
if (len > skge->rx_buf_size)
@@ -2609,7 +2774,7 @@ static inline struct sk_buff *skge_rx_get(struct skge_port *skge,
goto error;
if (len < RX_COPY_THRESHOLD) {
- skb = alloc_skb(len + 2, GFP_ATOMIC);
+ skb = netdev_alloc_skb(dev, len + 2);
if (!skb)
goto resubmit;
@@ -2624,7 +2789,7 @@ static inline struct sk_buff *skge_rx_get(struct skge_port *skge,
skge_rx_reuse(e, skge->rx_buf_size);
} else {
struct sk_buff *nskb;
- nskb = alloc_skb(skge->rx_buf_size + NET_IP_ALIGN, GFP_ATOMIC);
+ nskb = netdev_alloc_skb(dev, skge->rx_buf_size + NET_IP_ALIGN);
if (!nskb)
goto resubmit;
@@ -2639,20 +2804,19 @@ static inline struct sk_buff *skge_rx_get(struct skge_port *skge,
}
skb_put(skb, len);
- skb->dev = skge->netdev;
if (skge->rx_csum) {
skb->csum = csum;
- skb->ip_summed = CHECKSUM_HW;
+ skb->ip_summed = CHECKSUM_COMPLETE;
}
- skb->protocol = eth_type_trans(skb, skge->netdev);
+ skb->protocol = eth_type_trans(skb, dev);
return skb;
error:
if (netif_msg_rx_err(skge))
printk(KERN_DEBUG PFX "%s: rx err, slot %td control 0x%x status 0x%x\n",
- skge->netdev->name, e - skge->rx_ring.start,
+ dev->name, e - skge->rx_ring.start,
control, status);
if (skge->hw->chip_id == CHIP_ID_GENESIS) {
@@ -2677,15 +2841,15 @@ resubmit:
}
/* Free all buffers in Tx ring which are no longer owned by device */
-static void skge_txirq(struct net_device *dev)
+static void skge_tx_done(struct net_device *dev)
{
struct skge_port *skge = netdev_priv(dev);
struct skge_ring *ring = &skge->tx_ring;
struct skge_element *e;
- rmb();
+ skge_write8(skge->hw, Q_ADDR(txqaddr[skge->port], Q_CSR), CSR_IRQ_CL_F);
- spin_lock(&skge->tx_lock);
+ netif_tx_lock(dev);
for (e = ring->to_clean; e != ring->to_use; e = e->next) {
struct skge_tx_desc *td = e->desc;
@@ -2696,11 +2860,10 @@ static void skge_txirq(struct net_device *dev)
}
skge->tx_ring.to_clean = e;
- if (netif_queue_stopped(skge->netdev)
- && skge_avail(&skge->tx_ring) > TX_LOW_WATER)
- netif_wake_queue(skge->netdev);
+ if (skge_avail(&skge->tx_ring) > TX_LOW_WATER)
+ netif_wake_queue(dev);
- spin_unlock(&skge->tx_lock);
+ netif_tx_unlock(dev);
}
static int skge_poll(struct net_device *dev, int *budget)
@@ -2712,6 +2875,10 @@ static int skge_poll(struct net_device *dev, int *budget)
int to_do = min(dev->quota, *budget);
int work_done = 0;
+ skge_tx_done(dev);
+
+ skge_write8(hw, Q_ADDR(rxqaddr[skge->port], Q_CSR), CSR_IRQ_CL_F);
+
for (e = ring->to_clean; prefetch(e->next), work_done < to_do; e = e->next) {
struct skge_rx_desc *rd = e->desc;
struct sk_buff *skb;
@@ -2722,7 +2889,7 @@ static int skge_poll(struct net_device *dev, int *budget)
if (control & BMU_OWN)
break;
- skb = skge_rx_get(skge, e, control, rd->status, rd->csum2);
+ skb = skge_rx_get(dev, e, control, rd->status, rd->csum2);
if (likely(skb)) {
dev->last_rx = jiffies;
netif_receive_skb(skb);
@@ -2742,12 +2909,11 @@ static int skge_poll(struct net_device *dev, int *budget)
if (work_done >= to_do)
return 1; /* not done */
- netif_rx_complete(dev);
-
spin_lock_irq(&hw->hw_lock);
- hw->intr_mask |= rxirqmask[skge->port];
+ __netif_rx_complete(dev);
+ hw->intr_mask |= irqmask[skge->port];
skge_write32(hw, B0_IMSK, hw->intr_mask);
- mmiowb();
+ skge_read32(hw, B0_IMSK);
spin_unlock_irq(&hw->hw_lock);
return 0;
@@ -2872,7 +3038,7 @@ static void skge_extirq(void *arg)
if (netif_running(dev)) {
if (hw->chip_id != CHIP_ID_GENESIS)
yukon_phy_intr(skge);
- else
+ else if (hw->phy_type == SK_PHY_BCOM)
bcom_phy_intr(skge);
}
}
@@ -2881,6 +3047,7 @@ static void skge_extirq(void *arg)
spin_lock_irq(&hw->hw_lock);
hw->intr_mask |= IS_EXT_REG;
skge_write32(hw, B0_IMSK, hw->intr_mask);
+ skge_read32(hw, B0_IMSK);
spin_unlock_irq(&hw->hw_lock);
}
@@ -2888,27 +3055,23 @@ static irqreturn_t skge_intr(int irq, void *dev_id, struct pt_regs *regs)
{
struct skge_hw *hw = dev_id;
u32 status;
+ int handled = 0;
+ spin_lock(&hw->hw_lock);
/* Reading this register masks IRQ */
status = skge_read32(hw, B0_SP_ISRC);
- if (status == 0)
- return IRQ_NONE;
+ if (status == 0 || status == ~0)
+ goto out;
- spin_lock(&hw->hw_lock);
+ handled = 1;
status &= hw->intr_mask;
if (status & IS_EXT_REG) {
hw->intr_mask &= ~IS_EXT_REG;
schedule_work(&hw->phy_work);
}
- if (status & IS_XA1_F) {
- skge_write8(hw, Q_ADDR(Q_XA1, Q_CSR), CSR_IRQ_CL_F);
- skge_txirq(hw->dev[0]);
- }
-
- if (status & IS_R1_F) {
- skge_write8(hw, Q_ADDR(Q_R1, Q_CSR), CSR_IRQ_CL_F);
- hw->intr_mask &= ~IS_R1_F;
+ if (status & (IS_XA1_F|IS_R1_F)) {
+ hw->intr_mask &= ~(IS_XA1_F|IS_R1_F);
netif_rx_schedule(hw->dev[0]);
}
@@ -2927,14 +3090,8 @@ static irqreturn_t skge_intr(int irq, void *dev_id, struct pt_regs *regs)
skge_mac_intr(hw, 0);
if (hw->dev[1]) {
- if (status & IS_XA2_F) {
- skge_write8(hw, Q_ADDR(Q_XA2, Q_CSR), CSR_IRQ_CL_F);
- skge_txirq(hw->dev[1]);
- }
-
- if (status & IS_R2_F) {
- skge_write8(hw, Q_ADDR(Q_R2, Q_CSR), CSR_IRQ_CL_F);
- hw->intr_mask &= ~IS_R2_F;
+ if (status & (IS_XA2_F|IS_R2_F)) {
+ hw->intr_mask &= ~(IS_XA2_F|IS_R2_F);
netif_rx_schedule(hw->dev[1]);
}
@@ -2955,9 +3112,11 @@ static irqreturn_t skge_intr(int irq, void *dev_id, struct pt_regs *regs)
skge_error_irq(hw);
skge_write32(hw, B0_IMSK, hw->intr_mask);
+ skge_read32(hw, B0_IMSK);
+out:
spin_unlock(&hw->hw_lock);
- return IRQ_HANDLED;
+ return IRQ_RETVAL(handled);
}
#ifdef CONFIG_NET_POLL_CONTROLLER
@@ -3031,7 +3190,7 @@ static int skge_reset(struct skge_hw *hw)
{
u32 reg;
u16 ctst, pci_status;
- u8 t8, mac_cfg, pmd_type, phy_type;
+ u8 t8, mac_cfg, pmd_type;
int i;
ctst = skge_read16(hw, B0_CTST);
@@ -3055,19 +3214,22 @@ static int skge_reset(struct skge_hw *hw)
ctst & (CS_CLK_RUN_HOT|CS_CLK_RUN_RST|CS_CLK_RUN_ENA));
hw->chip_id = skge_read8(hw, B2_CHIP_ID);
- phy_type = skge_read8(hw, B2_E_1) & 0xf;
+ hw->phy_type = skge_read8(hw, B2_E_1) & 0xf;
pmd_type = skge_read8(hw, B2_PMD_TYP);
hw->copper = (pmd_type == 'T' || pmd_type == '1');
switch (hw->chip_id) {
case CHIP_ID_GENESIS:
- switch (phy_type) {
+ switch (hw->phy_type) {
+ case SK_PHY_XMAC:
+ hw->phy_addr = PHY_ADDR_XMAC;
+ break;
case SK_PHY_BCOM:
hw->phy_addr = PHY_ADDR_BCOM;
break;
default:
printk(KERN_ERR PFX "%s: unsupported phy type 0x%x\n",
- pci_name(hw->pdev), phy_type);
+ pci_name(hw->pdev), hw->phy_type);
return -EOPNOTSUPP;
}
break;
@@ -3075,7 +3237,7 @@ static int skge_reset(struct skge_hw *hw)
case CHIP_ID_YUKON:
case CHIP_ID_YUKON_LITE:
case CHIP_ID_YUKON_LP:
- if (phy_type < SK_PHY_MARV_COPPER && pmd_type != 'S')
+ if (hw->phy_type < SK_PHY_MARV_COPPER && pmd_type != 'S')
hw->copper = 1;
hw->phy_addr = PHY_ADDR_MARV;
@@ -3106,11 +3268,13 @@ static int skge_reset(struct skge_hw *hw)
else
hw->ram_size = t8 * 4096;
- spin_lock_init(&hw->hw_lock);
- hw->intr_mask = IS_HW_ERR | IS_EXT_REG | IS_PORT_1;
+ hw->intr_mask = IS_HW_ERR | IS_PORT_1;
if (hw->ports > 1)
hw->intr_mask |= IS_PORT_2;
+ if (!(hw->chip_id == CHIP_ID_GENESIS && hw->phy_type == SK_PHY_XMAC))
+ hw->intr_mask |= IS_EXT_REG;
+
if (hw->chip_id == CHIP_ID_GENESIS)
genesis_init(hw);
else {
@@ -3222,7 +3386,7 @@ static struct net_device *skge_devinit(struct skge_hw *hw, int port,
dev->poll_controller = skge_netpoll;
#endif
dev->irq = hw->pdev->irq;
- dev->features = NETIF_F_LLTX;
+
if (highmem)
dev->features |= NETIF_F_HIGHDMA;
@@ -3244,7 +3408,8 @@ static struct net_device *skge_devinit(struct skge_hw *hw, int port,
skge->port = port;
- spin_lock_init(&skge->tx_lock);
+ /* Only used for Genesis XMAC */
+ INIT_WORK(&skge->link_thread, xm_link_timer, dev);
if (hw->chip_id != CHIP_ID_GENESIS) {
dev->features |= NETIF_F_IP_CSUM | NETIF_F_SG;
@@ -3332,6 +3497,7 @@ static int __devinit skge_probe(struct pci_dev *pdev,
hw->pdev = pdev;
mutex_init(&hw->phy_mutex);
INIT_WORK(&hw->phy_work, skge_extirq, hw);
+ spin_lock_init(&hw->hw_lock);
hw->regs = ioremap_nocache(pci_resource_start(pdev, 0), 0x4000);
if (!hw->regs) {
@@ -3340,23 +3506,16 @@ static int __devinit skge_probe(struct pci_dev *pdev,
goto err_out_free_hw;
}
- err = request_irq(pdev->irq, skge_intr, IRQF_SHARED, DRV_NAME, hw);
- if (err) {
- printk(KERN_ERR PFX "%s: cannot assign irq %d\n",
- pci_name(pdev), pdev->irq);
- goto err_out_iounmap;
- }
- pci_set_drvdata(pdev, hw);
-
err = skge_reset(hw);
if (err)
- goto err_out_free_irq;
+ goto err_out_iounmap;
printk(KERN_INFO PFX DRV_VERSION " addr 0x%llx irq %d chip %s rev %d\n",
(unsigned long long)pci_resource_start(pdev, 0), pdev->irq,
skge_board_name(hw), hw->chip_rev);
- if ((dev = skge_devinit(hw, 0, using_dac)) == NULL)
+ dev = skge_devinit(hw, 0, using_dac);
+ if (!dev)
goto err_out_led_off;
if (!is_valid_ether_addr(dev->dev_addr)) {
@@ -3366,7 +3525,6 @@ static int __devinit skge_probe(struct pci_dev *pdev,
goto err_out_free_netdev;
}
-
err = register_netdev(dev);
if (err) {
printk(KERN_ERR PFX "%s: cannot register net device\n",
@@ -3374,6 +3532,12 @@ static int __devinit skge_probe(struct pci_dev *pdev,
goto err_out_free_netdev;
}
+ err = request_irq(pdev->irq, skge_intr, IRQF_SHARED, dev->name, hw);
+ if (err) {
+ printk(KERN_ERR PFX "%s: cannot assign irq %d\n",
+ dev->name, pdev->irq);
+ goto err_out_unregister;
+ }
skge_show_addr(dev);
if (hw->ports > 1 && (dev1 = skge_devinit(hw, 1, using_dac))) {
@@ -3386,15 +3550,16 @@ static int __devinit skge_probe(struct pci_dev *pdev,
free_netdev(dev1);
}
}
+ pci_set_drvdata(pdev, hw);
return 0;
+err_out_unregister:
+ unregister_netdev(dev);
err_out_free_netdev:
free_netdev(dev);
err_out_led_off:
skge_write16(hw, B0_LED, LED_STAT_OFF);
-err_out_free_irq:
- free_irq(pdev->irq, hw);
err_out_iounmap:
iounmap(hw->regs);
err_out_free_hw:
@@ -3424,6 +3589,7 @@ static void __devexit skge_remove(struct pci_dev *pdev)
spin_lock_irq(&hw->hw_lock);
hw->intr_mask = 0;
skge_write32(hw, B0_IMSK, 0);
+ skge_read32(hw, B0_IMSK);
spin_unlock_irq(&hw->hw_lock);
skge_write16(hw, B0_LED, LED_STAT_OFF);
@@ -3449,26 +3615,25 @@ static int skge_suspend(struct pci_dev *pdev, pm_message_t state)
struct skge_hw *hw = pci_get_drvdata(pdev);
int i, wol = 0;
- for (i = 0; i < 2; i++) {
+ pci_save_state(pdev);
+ for (i = 0; i < hw->ports; i++) {
struct net_device *dev = hw->dev[i];
- if (dev) {
+ if (netif_running(dev)) {
struct skge_port *skge = netdev_priv(dev);
- if (netif_running(dev)) {
- netif_carrier_off(dev);
- if (skge->wol)
- netif_stop_queue(dev);
- else
- skge_down(dev);
- }
- netif_device_detach(dev);
+
+ netif_carrier_off(dev);
+ if (skge->wol)
+ netif_stop_queue(dev);
+ else
+ skge_down(dev);
wol |= skge->wol;
}
+ netif_device_detach(dev);
}
- pci_save_state(pdev);
+ skge_write32(hw, B0_IMSK, 0);
pci_enable_wake(pdev, pci_choose_state(pdev, state), wol);
- pci_disable_device(pdev);
pci_set_power_state(pdev, pci_choose_state(pdev, state));
return 0;
@@ -3477,23 +3642,33 @@ static int skge_suspend(struct pci_dev *pdev, pm_message_t state)
static int skge_resume(struct pci_dev *pdev)
{
struct skge_hw *hw = pci_get_drvdata(pdev);
- int i;
+ int i, err;
pci_set_power_state(pdev, PCI_D0);
pci_restore_state(pdev);
pci_enable_wake(pdev, PCI_D0, 0);
- skge_reset(hw);
+ err = skge_reset(hw);
+ if (err)
+ goto out;
- for (i = 0; i < 2; i++) {
+ for (i = 0; i < hw->ports; i++) {
struct net_device *dev = hw->dev[i];
- if (dev) {
- netif_device_attach(dev);
- if (netif_running(dev) && skge_up(dev))
+
+ netif_device_attach(dev);
+ if (netif_running(dev)) {
+ err = skge_up(dev);
+
+ if (err) {
+ printk(KERN_ERR PFX "%s: could not up: %d\n",
+ dev->name, err);
dev_close(dev);
+ goto out;
+ }
}
}
- return 0;
+out:
+ return err;
}
#endif
@@ -3510,7 +3685,7 @@ static struct pci_driver skge_driver = {
static int __init skge_init_module(void)
{
- return pci_module_init(&skge_driver);
+ return pci_register_driver(&skge_driver);
}
static void __exit skge_cleanup_module(void)
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-21 19:21:52 +0000