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authorJeff Garzik <jgarzik@pobox.com>2005-06-27 22:49:47 -0400
committerJeff Garzik <jgarzik@pobox.com>2005-06-27 22:49:47 -0400
commit245ac8738b0b840552d56b842e70e750d65911cc (patch)
tree2609d6b0a8c603804d71aed65d7f74097ebe0e58
parent716b43303df605510399d6da0d0dd4e2ea376e7c (diff)
parenta5fe736eaf9bae1b45317313de04b564441b94f2 (diff)
Merge upstream net/ieee80211.h changes into 'ieee80211' branch.
-rw-r--r--drivers/net/skge.c1710
-rw-r--r--drivers/net/skge.h586
-rw-r--r--include/linux/etherdevice.h2
-rw-r--r--include/net/ieee80211.h11
4 files changed, 934 insertions, 1375 deletions
diff --git a/drivers/net/skge.c b/drivers/net/skge.c
index 30e8d589d16..3dbb1cb09ed 100644
--- a/drivers/net/skge.c
+++ b/drivers/net/skge.c
@@ -7,7 +7,7 @@
* of the original driver such as link fail-over and link management because
* those should be done at higher levels.
*
- * Copyright (C) 2004, Stephen Hemminger <shemminger@osdl.org>
+ * Copyright (C) 2004, 2005 Stephen Hemminger <shemminger@osdl.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@@ -42,19 +42,20 @@
#include "skge.h"
#define DRV_NAME "skge"
-#define DRV_VERSION "0.6"
+#define DRV_VERSION "0.7"
#define PFX DRV_NAME " "
#define DEFAULT_TX_RING_SIZE 128
#define DEFAULT_RX_RING_SIZE 512
#define MAX_TX_RING_SIZE 1024
#define MAX_RX_RING_SIZE 4096
+#define RX_COPY_THRESHOLD 128
+#define RX_BUF_SIZE 1536
#define PHY_RETRIES 1000
#define ETH_JUMBO_MTU 9000
#define TX_WATCHDOG (5 * HZ)
#define NAPI_WEIGHT 64
#define BLINK_HZ (HZ/4)
-#define LINK_POLL_HZ (HZ/10)
MODULE_DESCRIPTION("SysKonnect Gigabit Ethernet driver");
MODULE_AUTHOR("Stephen Hemminger <shemminger@osdl.org>");
@@ -70,28 +71,17 @@ module_param(debug, int, 0);
MODULE_PARM_DESC(debug, "Debug level (0=none,...,16=all)");
static const struct pci_device_id skge_id_table[] = {
- { PCI_VENDOR_ID_3COM, PCI_DEVICE_ID_3COM_3C940,
- PCI_ANY_ID, PCI_ANY_ID },
- { PCI_VENDOR_ID_3COM, PCI_DEVICE_ID_3COM_3C940B,
- PCI_ANY_ID, PCI_ANY_ID },
- { PCI_VENDOR_ID_SYSKONNECT, PCI_DEVICE_ID_SYSKONNECT_GE,
- PCI_ANY_ID, PCI_ANY_ID },
- { PCI_VENDOR_ID_SYSKONNECT, PCI_DEVICE_ID_SYSKONNECT_YU,
- PCI_ANY_ID, PCI_ANY_ID },
- { PCI_VENDOR_ID_SYSKONNECT, 0x9E00, /* SK-9Exx */
- PCI_ANY_ID, PCI_ANY_ID },
- { PCI_VENDOR_ID_DLINK, PCI_DEVICE_ID_DLINK_DGE510T,
- PCI_ANY_ID, PCI_ANY_ID },
- { PCI_VENDOR_ID_MARVELL, 0x4320, /* Gigabit Ethernet Controller */
- PCI_ANY_ID, PCI_ANY_ID },
- { PCI_VENDOR_ID_MARVELL, 0x5005, /* Marvell (11ab), Belkin */
- PCI_ANY_ID, PCI_ANY_ID },
- { PCI_VENDOR_ID_CNET, PCI_DEVICE_ID_CNET_GIGACARD,
- PCI_ANY_ID, PCI_ANY_ID },
- { PCI_VENDOR_ID_LINKSYS, PCI_DEVICE_ID_LINKSYS_EG1032,
- PCI_ANY_ID, PCI_ANY_ID },
- { PCI_VENDOR_ID_LINKSYS, PCI_DEVICE_ID_LINKSYS_EG1064,
- PCI_ANY_ID, PCI_ANY_ID },
+ { PCI_DEVICE(PCI_VENDOR_ID_3COM, PCI_DEVICE_ID_3COM_3C940) },
+ { PCI_DEVICE(PCI_VENDOR_ID_3COM, PCI_DEVICE_ID_3COM_3C940B) },
+ { PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, PCI_DEVICE_ID_SYSKONNECT_GE) },
+ { PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, PCI_DEVICE_ID_SYSKONNECT_YU) },
+ { PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, 0x9E00) }, /* SK-9Exx */
+ { PCI_DEVICE(PCI_VENDOR_ID_DLINK, PCI_DEVICE_ID_DLINK_DGE510T), },
+ { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4320) },
+ { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x5005) }, /* Belkin */
+ { PCI_DEVICE(PCI_VENDOR_ID_CNET, PCI_DEVICE_ID_CNET_GIGACARD) },
+ { PCI_DEVICE(PCI_VENDOR_ID_LINKSYS, PCI_DEVICE_ID_LINKSYS_EG1032) },
+ { PCI_DEVICE(PCI_VENDOR_ID_LINKSYS, PCI_DEVICE_ID_LINKSYS_EG1064) },
{ 0 }
};
MODULE_DEVICE_TABLE(pci, skge_id_table);
@@ -99,19 +89,22 @@ 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_tx_clean(struct skge_port *skge);
-static void skge_xm_phy_write(struct skge_hw *hw, int port, u16 reg, u16 val);
-static void skge_gm_phy_write(struct skge_hw *hw, int port, u16 reg, u16 val);
+static void xm_phy_write(struct skge_hw *hw, int port, u16 reg, u16 val);
+static void gm_phy_write(struct skge_hw *hw, int port, u16 reg, u16 val);
static void genesis_get_stats(struct skge_port *skge, u64 *data);
static void yukon_get_stats(struct skge_port *skge, u64 *data);
static void yukon_init(struct skge_hw *hw, int port);
static void yukon_reset(struct skge_hw *hw, int port);
static void genesis_mac_init(struct skge_hw *hw, int port);
static void genesis_reset(struct skge_hw *hw, int port);
+static void genesis_link_up(struct skge_port *skge);
+/* Avoid conditionals by using array */
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 portirqmask[] = { IS_PORT_1, IS_PORT_2 };
/* Don't need to look at whole 16K.
* last interesting register is descriptor poll timer.
@@ -154,7 +147,7 @@ static void skge_get_regs(struct net_device *dev, struct ethtool_regs *regs,
static int wol_supported(const struct skge_hw *hw)
{
return !((hw->chip_id == CHIP_ID_GENESIS ||
- (hw->chip_id == CHIP_ID_YUKON && chip_rev(hw) == 0)));
+ (hw->chip_id == CHIP_ID_YUKON && hw->chip_rev == 0)));
}
static void skge_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
@@ -170,7 +163,7 @@ static int skge_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
struct skge_port *skge = netdev_priv(dev);
struct skge_hw *hw = skge->hw;
- if(wol->wolopts != WAKE_MAGIC && wol->wolopts != 0)
+ if (wol->wolopts != WAKE_MAGIC && wol->wolopts != 0)
return -EOPNOTSUPP;
if (wol->wolopts == WAKE_MAGIC && !wol_supported(hw))
@@ -190,6 +183,36 @@ static int skge_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
return 0;
}
+/* Determine supported/adverised modes based on hardware.
+ * Note: ethtoool ADVERTISED_xxx == SUPPORTED_xxx
+ */
+static u32 skge_supported_modes(const struct skge_hw *hw)
+{
+ u32 supported;
+
+ if (iscopper(hw)) {
+ supported = SUPPORTED_10baseT_Half
+ | SUPPORTED_10baseT_Full
+ | SUPPORTED_100baseT_Half
+ | SUPPORTED_100baseT_Full
+ | SUPPORTED_1000baseT_Half
+ | SUPPORTED_1000baseT_Full
+ | SUPPORTED_Autoneg| SUPPORTED_TP;
+
+ if (hw->chip_id == CHIP_ID_GENESIS)
+ supported &= ~(SUPPORTED_10baseT_Half
+ | SUPPORTED_10baseT_Full
+ | SUPPORTED_100baseT_Half
+ | SUPPORTED_100baseT_Full);
+
+ else if (hw->chip_id == CHIP_ID_YUKON)
+ supported &= ~SUPPORTED_1000baseT_Half;
+ } else
+ supported = SUPPORTED_1000baseT_Full | SUPPORTED_FIBRE
+ | SUPPORTED_Autoneg;
+
+ return supported;
+}
static int skge_get_settings(struct net_device *dev,
struct ethtool_cmd *ecmd)
@@ -198,38 +221,13 @@ static int skge_get_settings(struct net_device *dev,
struct skge_hw *hw = skge->hw;
ecmd->transceiver = XCVR_INTERNAL;
+ ecmd->supported = skge_supported_modes(hw);
if (iscopper(hw)) {
- if (hw->chip_id == CHIP_ID_GENESIS)
- ecmd->supported = SUPPORTED_1000baseT_Full
- | SUPPORTED_1000baseT_Half
- | SUPPORTED_Autoneg | SUPPORTED_TP;
- else {
- ecmd->supported = SUPPORTED_10baseT_Half
- | SUPPORTED_10baseT_Full
- | SUPPORTED_100baseT_Half
- | SUPPORTED_100baseT_Full
- | SUPPORTED_1000baseT_Half
- | SUPPORTED_1000baseT_Full
- | SUPPORTED_Autoneg| SUPPORTED_TP;
-
- if (hw->chip_id == CHIP_ID_YUKON)
- ecmd->supported &= ~SUPPORTED_1000baseT_Half;
-
- else if (hw->chip_id == CHIP_ID_YUKON_FE)
- ecmd->supported &= ~(SUPPORTED_1000baseT_Half
- | SUPPORTED_1000baseT_Full);
- }
-
ecmd->port = PORT_TP;
ecmd->phy_address = hw->phy_addr;
- } else {
- ecmd->supported = SUPPORTED_1000baseT_Full
- | SUPPORTED_FIBRE
- | SUPPORTED_Autoneg;
-
+ } else
ecmd->port = PORT_FIBRE;
- }
ecmd->advertising = skge->advertising;
ecmd->autoneg = skge->autoneg;
@@ -238,65 +236,57 @@ static int skge_get_settings(struct net_device *dev,
return 0;
}
-static u32 skge_modes(const struct skge_hw *hw)
-{
- u32 modes = ADVERTISED_Autoneg
- | ADVERTISED_1000baseT_Full | ADVERTISED_1000baseT_Half
- | ADVERTISED_100baseT_Full | ADVERTISED_100baseT_Half
- | ADVERTISED_10baseT_Full | ADVERTISED_10baseT_Half;
-
- if (iscopper(hw)) {
- modes |= ADVERTISED_TP;
- switch(hw->chip_id) {
- case CHIP_ID_GENESIS:
- modes &= ~(ADVERTISED_100baseT_Full
- | ADVERTISED_100baseT_Half
- | ADVERTISED_10baseT_Full
- | ADVERTISED_10baseT_Half);
- break;
-
- case CHIP_ID_YUKON:
- modes &= ~ADVERTISED_1000baseT_Half;
- break;
-
- case CHIP_ID_YUKON_FE:
- modes &= ~(ADVERTISED_1000baseT_Half|ADVERTISED_1000baseT_Full);
- break;
- }
- } else {
- modes |= ADVERTISED_FIBRE;
- modes &= ~ADVERTISED_1000baseT_Half;
- }
- return modes;
-}
-
static int skge_set_settings(struct net_device *dev, struct ethtool_cmd *ecmd)
{
struct skge_port *skge = netdev_priv(dev);
const struct skge_hw *hw = skge->hw;
+ u32 supported = skge_supported_modes(hw);
if (ecmd->autoneg == AUTONEG_ENABLE) {
- if (ecmd->advertising & skge_modes(hw))
- return -EINVAL;
+ ecmd->advertising = supported;
+ skge->duplex = -1;
+ skge->speed = -1;
} else {
+ u32 setting;
+
switch(ecmd->speed) {
case SPEED_1000:
- if (hw->chip_id == CHIP_ID_YUKON_FE)
+ if (ecmd->duplex == DUPLEX_FULL)
+ setting = SUPPORTED_1000baseT_Full;
+ else if (ecmd->duplex == DUPLEX_HALF)
+ setting = SUPPORTED_1000baseT_Half;
+ else
return -EINVAL;
break;
case SPEED_100:
+ if (ecmd->duplex == DUPLEX_FULL)
+ setting = SUPPORTED_100baseT_Full;
+ else if (ecmd->duplex == DUPLEX_HALF)
+ setting = SUPPORTED_100baseT_Half;
+ else
+ return -EINVAL;
+ break;
+
case SPEED_10:
- if (iscopper(hw) || hw->chip_id == CHIP_ID_GENESIS)
+ if (ecmd->duplex == DUPLEX_FULL)
+ setting = SUPPORTED_10baseT_Full;
+ else if (ecmd->duplex == DUPLEX_HALF)
+ setting = SUPPORTED_10baseT_Half;
+ else
return -EINVAL;
break;
default:
return -EINVAL;
}
+
+ if ((setting & supported) == 0)
+ return -EINVAL;
+
+ skge->speed = ecmd->speed;
+ skge->duplex = ecmd->duplex;
}
skge->autoneg = ecmd->autoneg;
- skge->speed = ecmd->speed;
- skge->duplex = ecmd->duplex;
skge->advertising = ecmd->advertising;
if (netif_running(dev)) {
@@ -393,7 +383,7 @@ static void skge_get_strings(struct net_device *dev, u32 stringset, u8 *data)
{
int i;
- switch(stringset) {
+ switch (stringset) {
case ETH_SS_STATS:
for (i = 0; i < ARRAY_SIZE(skge_stats); i++)
memcpy(data + i * ETH_GSTRING_LEN,
@@ -511,14 +501,6 @@ static int skge_set_rx_csum(struct net_device *dev, u32 data)
return 0;
}
-/* Only Yukon II supports TSO (not implemented yet) */
-static int skge_set_tso(struct net_device *dev, u32 data)
-{
- if (data)
- return -EOPNOTSUPP;
- return 0;
-}
-
static void skge_get_pauseparam(struct net_device *dev,
struct ethtool_pauseparam *ecmd)
{
@@ -540,9 +522,9 @@ static int skge_set_pauseparam(struct net_device *dev,
skge->autoneg = ecmd->autoneg;
if (ecmd->rx_pause && ecmd->tx_pause)
skge->flow_control = FLOW_MODE_SYMMETRIC;
- else if(ecmd->rx_pause && !ecmd->tx_pause)
+ else if (ecmd->rx_pause && !ecmd->tx_pause)
skge->flow_control = FLOW_MODE_REM_SEND;
- else if(!ecmd->rx_pause && ecmd->tx_pause)
+ else if (!ecmd->rx_pause && ecmd->tx_pause)
skge->flow_control = FLOW_MODE_LOC_SEND;
else
skge->flow_control = FLOW_MODE_NONE;
@@ -559,8 +541,6 @@ static inline u32 hwkhz(const struct skge_hw *hw)
{
if (hw->chip_id == CHIP_ID_GENESIS)
return 53215; /* or: 53.125 MHz */
- else if (hw->chip_id == CHIP_ID_YUKON_EC)
- return 125000; /* or: 125.000 MHz */
else
return 78215; /* or: 78.125 MHz */
}
@@ -643,30 +623,18 @@ static int skge_set_coalesce(struct net_device *dev,
static void skge_led_on(struct skge_hw *hw, int port)
{
if (hw->chip_id == CHIP_ID_GENESIS) {
- skge_write8(hw, SKGEMAC_REG(port, LNK_LED_REG), LINKLED_ON);
+ skge_write8(hw, SK_REG(port, LNK_LED_REG), LINKLED_ON);
skge_write8(hw, B0_LED, LED_STAT_ON);
- skge_write8(hw, SKGEMAC_REG(port, RX_LED_TST), LED_T_ON);
- skge_write32(hw, SKGEMAC_REG(port, RX_LED_VAL), 100);
- skge_write8(hw, SKGEMAC_REG(port, RX_LED_CTRL), LED_START);
+ skge_write8(hw, SK_REG(port, RX_LED_TST), LED_T_ON);
+ skge_write32(hw, SK_REG(port, RX_LED_VAL), 100);
+ skge_write8(hw, SK_REG(port, RX_LED_CTRL), LED_START);
- switch (hw->phy_type) {
- case SK_PHY_BCOM:
- skge_xm_phy_write(hw, port, PHY_BCOM_P_EXT_CTRL,
- PHY_B_PEC_LED_ON);
- break;
- case SK_PHY_LONE:
- skge_xm_phy_write(hw, port, PHY_LONE_LED_CFG,
- 0x0800);
- break;
- default:
- skge_write8(hw, SKGEMAC_REG(port, TX_LED_TST), LED_T_ON);
- skge_write32(hw, SKGEMAC_REG(port, TX_LED_VAL), 100);
- skge_write8(hw, SKGEMAC_REG(port, TX_LED_CTRL), LED_START);
- }
+ /* For Broadcom Phy only */
+ xm_phy_write(hw, port, PHY_BCOM_P_EXT_CTRL, PHY_B_PEC_LED_ON);
} else {
- skge_gm_phy_write(hw, port, PHY_MARV_LED_CTRL, 0);
- skge_gm_phy_write(hw, port, PHY_MARV_LED_OVER,
+ gm_phy_write(hw, port, PHY_MARV_LED_CTRL, 0);
+ gm_phy_write(hw, port, PHY_MARV_LED_OVER,
PHY_M_LED_MO_DUP(MO_LED_ON) |
PHY_M_LED_MO_10(MO_LED_ON) |
PHY_M_LED_MO_100(MO_LED_ON) |
@@ -678,28 +646,17 @@ static void skge_led_on(struct skge_hw *hw, int port)
static void skge_led_off(struct skge_hw *hw, int port)
{
if (hw->chip_id == CHIP_ID_GENESIS) {
- skge_write8(hw, SKGEMAC_REG(port, LNK_LED_REG), LINKLED_OFF);
+ skge_write8(hw, SK_REG(port, LNK_LED_REG), LINKLED_OFF);
skge_write8(hw, B0_LED, LED_STAT_OFF);
- skge_write32(hw, SKGEMAC_REG(port, RX_LED_VAL), 0);
- skge_write8(hw, SKGEMAC_REG(port, RX_LED_CTRL), LED_T_OFF);
+ skge_write32(hw, SK_REG(port, RX_LED_VAL), 0);
+ skge_write8(hw, SK_REG(port, RX_LED_CTRL), LED_T_OFF);
- switch (hw->phy_type) {
- case SK_PHY_BCOM:
- skge_xm_phy_write(hw, port, PHY_BCOM_P_EXT_CTRL,
- PHY_B_PEC_LED_OFF);
- break;
- case SK_PHY_LONE:
- skge_xm_phy_write(hw, port, PHY_LONE_LED_CFG,
- PHY_L_LC_LEDT);
- break;
- default:
- skge_write32(hw, SKGEMAC_REG(port, TX_LED_VAL), 0);
- skge_write8(hw, SKGEMAC_REG(port, TX_LED_CTRL), LED_T_OFF);
- }
+ /* Broadcom only */
+ xm_phy_write(hw, port, PHY_BCOM_P_EXT_CTRL, PHY_B_PEC_LED_OFF);
} else {
- skge_gm_phy_write(hw, port, PHY_MARV_LED_CTRL, 0);
- skge_gm_phy_write(hw, port, PHY_MARV_LED_OVER,
+ gm_phy_write(hw, port, PHY_MARV_LED_CTRL, 0);
+ gm_phy_write(hw, port, PHY_MARV_LED_OVER,
PHY_M_LED_MO_DUP(MO_LED_OFF) |
PHY_M_LED_MO_10(MO_LED_OFF) |
PHY_M_LED_MO_100(MO_LED_OFF) |
@@ -730,7 +687,7 @@ static int skge_phys_id(struct net_device *dev, u32 data)
{
struct skge_port *skge = netdev_priv(dev);
- if(!data || data > (u32)(MAX_SCHEDULE_TIMEOUT / HZ))
+ if (!data || data > (u32)(MAX_SCHEDULE_TIMEOUT / HZ))
data = (u32)(MAX_SCHEDULE_TIMEOUT / HZ);
/* start blinking */
@@ -763,8 +720,6 @@ static struct ethtool_ops skge_ethtool_ops = {
.set_pauseparam = skge_set_pauseparam,
.get_coalesce = skge_get_coalesce,
.set_coalesce = skge_set_coalesce,
- .get_tso = ethtool_op_get_tso,
- .set_tso = skge_set_tso,
.get_sg = ethtool_op_get_sg,
.set_sg = skge_set_sg,
.get_tx_csum = ethtool_op_get_tx_csum,
@@ -793,6 +748,7 @@ static int skge_ring_alloc(struct skge_ring *ring, void *vaddr, u64 base)
for (i = 0, e = ring->start, d = vaddr; i < ring->count; i++, e++, d++) {
e->desc = d;
+ e->skb = NULL;
if (i == ring->count - 1) {
e->next = ring->start;
d->next_offset = base;
@@ -806,24 +762,23 @@ static int skge_ring_alloc(struct skge_ring *ring, void *vaddr, u64 base)
return 0;
}
-/* Setup buffer for receiving */
-static inline int skge_rx_alloc(struct skge_port *skge,
- struct skge_element *e)
+static struct sk_buff *skge_rx_alloc(struct net_device *dev, unsigned int size)
{
- unsigned long bufsize = skge->netdev->mtu + ETH_HLEN; /* VLAN? */
- struct skge_rx_desc *rd = e->desc;
- struct sk_buff *skb;
- u64 map;
+ struct sk_buff *skb = dev_alloc_skb(size);
- skb = dev_alloc_skb(bufsize + NET_IP_ALIGN);
- if (unlikely(!skb)) {
- printk(KERN_DEBUG PFX "%s: out of memory for receive\n",
- skge->netdev->name);
- return -ENOMEM;
+ if (likely(skb)) {
+ skb->dev = dev;
+ skb_reserve(skb, NET_IP_ALIGN);
}
+ return skb;
+}
- skb->dev = skge->netdev;
- skb_reserve(skb, NET_IP_ALIGN);
+/* Allocate and setup a new buffer for receiving */
+static void skge_rx_setup(struct skge_port *skge, struct skge_element *e,
+ struct sk_buff *skb, unsigned int bufsize)
+{
+ struct skge_rx_desc *rd = e->desc;
+ u64 map;
map = pci_map_single(skge->hw->pdev, skb->data, bufsize,
PCI_DMA_FROMDEVICE);
@@ -841,55 +796,69 @@ static inline int skge_rx_alloc(struct skge_port *skge,
rd->control = BMU_OWN | BMU_STF | BMU_IRQ_EOF | BMU_TCP_CHECK | bufsize;
pci_unmap_addr_set(e, mapaddr, map);
pci_unmap_len_set(e, maplen, bufsize);
- return 0;
}
-/* Free all unused buffers in receive ring, assumes receiver stopped */
+/* Resume receiving using existing skb,
+ * Note: DMA address is not changed by chip.
+ * MTU not changed while receiver active.
+ */
+static void skge_rx_reuse(struct skge_element *e, unsigned int size)
+{
+ struct skge_rx_desc *rd = e->desc;
+
+ rd->csum2 = 0;
+ rd->csum2_start = ETH_HLEN;
+
+ wmb();
+
+ rd->control = BMU_OWN | BMU_STF | BMU_IRQ_EOF | BMU_TCP_CHECK | size;
+}
+
+
+/* Free all buffers in receive ring, assumes receiver stopped */
static void skge_rx_clean(struct skge_port *skge)
{
struct skge_hw *hw = skge->hw;
struct skge_ring *ring = &skge->rx_ring;
struct skge_element *e;
- for (e = ring->to_clean; e != ring->to_use; e = e->next) {
+ e = ring->start;
+ do {
struct skge_rx_desc *rd = e->desc;
rd->control = 0;
-
- pci_unmap_single(hw->pdev,
- pci_unmap_addr(e, mapaddr),
- pci_unmap_len(e, maplen),
- PCI_DMA_FROMDEVICE);
- dev_kfree_skb(e->skb);
- e->skb = NULL;
- }
- ring->to_clean = e;
+ if (e->skb) {
+ pci_unmap_single(hw->pdev,
+ pci_unmap_addr(e, mapaddr),
+ pci_unmap_len(e, maplen),
+ PCI_DMA_FROMDEVICE);
+ dev_kfree_skb(e->skb);
+ e->skb = NULL;
+ }
+ } while ((e = e->next) != ring->start);
}
+
/* Allocate buffers for receive ring
- * For receive: to_use is refill location
- * to_clean is next received frame.
- *
- * if (to_use == to_clean)
- * then ring all frames in ring need buffers
- * if (to_use->next == to_clean)
- * then ring all frames in ring have buffers
+ * For receive: to_clean is next received frame.
*/
static int skge_rx_fill(struct skge_port *skge)
{
struct skge_ring *ring = &skge->rx_ring;
struct skge_element *e;
- int ret = 0;
+ unsigned int bufsize = skge->rx_buf_size;
- for (e = ring->to_use; e->next != ring->to_clean; e = e->next) {
- if (skge_rx_alloc(skge, e)) {
- ret = 1;
- break;
- }
+ e = ring->start;
+ do {
+ struct sk_buff *skb = skge_rx_alloc(skge->netdev, bufsize);
- }
- ring->to_use = e;
+ if (!skb)
+ return -ENOMEM;
+
+ skge_rx_setup(skge, e, skb, bufsize);
+ } while ( (e = e->next) != ring->start);
- return ret;
+ ring->to_clean = ring->start;
+ return 0;
}
static void skge_link_up(struct skge_port *skge)
@@ -919,50 +888,50 @@ static void skge_link_down(struct skge_port *skge)
printk(KERN_INFO PFX "%s: Link is down.\n", skge->netdev->name);
}
-static u16 skge_xm_phy_read(struct skge_hw *hw, int port, u16 reg)
+static u16 xm_phy_read(struct skge_hw *hw, int port, u16 reg)
{
int i;
u16 v;
- skge_xm_write16(hw, port, XM_PHY_ADDR, reg | hw->phy_addr);
- v = skge_xm_read16(hw, port, XM_PHY_DATA);
- if (hw->phy_type != SK_PHY_XMAC) {
- for (i = 0; i < PHY_RETRIES; i++) {
- udelay(1);
- if (skge_xm_read16(hw, port, XM_MMU_CMD)
- & XM_MMU_PHY_RDY)
- goto ready;
- }
+ xm_write16(hw, port, XM_PHY_ADDR, reg | hw->phy_addr);
+ v = xm_read16(hw, port, XM_PHY_DATA);
- printk(KERN_WARNING PFX "%s: phy read timed out\n",
- hw->dev[port]->name);
- return 0;
- ready:
- v = skge_xm_read16(hw, port, XM_PHY_DATA);
+ /* Need to wait for external PHY */
+ for (i = 0; i < PHY_RETRIES; i++) {
+ udelay(1);
+ if (xm_read16(hw, port, XM_MMU_CMD)
+ & XM_MMU_PHY_RDY)
+ goto ready;
}
+ printk(KERN_WARNING PFX "%s: phy read timed out\n",
+ hw->dev[port]->name);
+ return 0;
+ ready:
+ v = xm_read16(hw, port, XM_PHY_DATA);
+
return v;
}
-static void skge_xm_phy_write(struct skge_hw *hw, int port, u16 reg, u16 val)
+static void xm_phy_write(struct skge_hw *hw, int port, u16 reg, u16 val)
{
int i;
- skge_xm_write16(hw, port, XM_PHY_ADDR, reg | hw->phy_addr);
+ xm_write16(hw, port, XM_PHY_ADDR, reg | hw->phy_addr);
for (i = 0; i < PHY_RETRIES; i++) {
- if (!(skge_xm_read16(hw, port, XM_MMU_CMD) & XM_MMU_PHY_BUSY))
+ if (!(xm_read16(hw, port, XM_MMU_CMD) & XM_MMU_PHY_BUSY))
goto ready;
- cpu_relax();
+ udelay(1);
}
printk(KERN_WARNING PFX "%s: phy write failed to come ready\n",
hw->dev[port]->name);
ready:
- skge_xm_write16(hw, port, XM_PHY_DATA, val);
+ xm_write16(hw, port, XM_PHY_DATA, val);
for (i = 0; i < PHY_RETRIES; i++) {
udelay(1);
- if (!(skge_xm_read16(hw, port, XM_MMU_CMD) & XM_MMU_PHY_BUSY))
+ if (!(xm_read16(hw, port, XM_MMU_CMD) & XM_MMU_PHY_BUSY))
return;
}
printk(KERN_WARNING PFX "%s: phy write timed out\n",
@@ -999,34 +968,112 @@ static void genesis_init(struct skge_hw *hw)
static void genesis_reset(struct skge_hw *hw, int port)
{
- int i;
- u64 zero = 0;
+ const u8 zero[8] = { 0 };
/* reset the statistics module */
- skge_xm_write32(hw, port, XM_GP_PORT, XM_GP_RES_STAT);
- skge_xm_write16(hw, port, XM_IMSK, 0xffff); /* disable XMAC IRQs */
- skge_xm_write32(hw, port, XM_MODE, 0); /* clear Mode Reg */
- skge_xm_write16(hw, port, XM_TX_CMD, 0); /* reset TX CMD Reg */
- skge_xm_write16(hw, port, XM_RX_CMD, 0); /* reset RX CMD Reg */
+ xm_write32(hw, port, XM_GP_PORT, XM_GP_RES_STAT);
+ xm_write16(hw, port, XM_IMSK, 0xffff); /* disable XMAC IRQs */
+ xm_write32(hw, port, XM_MODE, 0); /* clear Mode Reg */
+ xm_write16(hw, port, XM_TX_CMD, 0); /* reset TX CMD Reg */
+ xm_write16(hw, port, XM_RX_CMD, 0); /* reset RX CMD Reg */
- /* disable all PHY IRQs */
- if (hw->phy_type == SK_PHY_BCOM)
- skge_xm_write16(hw, port, PHY_BCOM_INT_MASK, 0xffff);
+ /* disable Broadcom PHY IRQ */
+ xm_write16(hw, port, PHY_BCOM_INT_MASK, 0xffff);
- skge_xm_outhash(hw, port, XM_HSM, (u8 *) &zero);
- for (i = 0; i < 15; i++)
- skge_xm_outaddr(hw, port, XM_EXM(i), (u8 *) &zero);
- skge_xm_outhash(hw, port, XM_SRC_CHK, (u8 *) &zero);
+ xm_outhash(hw, port, XM_HSM, zero);
}
-static void genesis_mac_init(struct skge_hw *hw, int port)
+/* Convert mode to MII values */
+static const u16 phy_pause_map[] = {
+ [FLOW_MODE_NONE] = 0,
+ [FLOW_MODE_LOC_SEND] = PHY_AN_PAUSE_ASYM,
+ [FLOW_MODE_SYMMETRIC] = PHY_AN_PAUSE_CAP,
+ [FLOW_MODE_REM_SEND] = PHY_AN_PAUSE_CAP | PHY_AN_PAUSE_ASYM,
+};
+
+
+/* Check status of Broadcom phy link */
+static void bcom_check_link(struct skge_hw *hw, int port)
{
- struct skge_port *skge = netdev_priv(hw->dev[port]);
+ struct net_device *dev = hw->dev[port];
+ struct skge_port *skge = netdev_priv(dev);
+ u16 status;
+
+ /* read twice because of latch */
+ (void) xm_phy_read(hw, port, PHY_BCOM_STAT);
+ status = xm_phy_read(hw, port, PHY_BCOM_STAT);
+
+ pr_debug("bcom_check_link status=0x%x\n", status);
+
+ 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);
+ } 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;
+ }
+
+ /* 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;
+ }
+
+
+ /* 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)
+{
+ struct skge_hw *hw = skge->hw;
+ int port = skge->port;
int i;
- u32 r;
- u16 id1;
- u16 ctrl1, ctrl2, ctrl3, ctrl4, ctrl5;
+ u16 id1, r, ext, ctl;
/* magic workaround patterns for Broadcom */
static const struct {
@@ -1042,16 +1089,120 @@ static void genesis_mac_init(struct skge_hw *hw, int port)
{ 0x17, 0x0013 }, { 0x15, 0x0A04 }, { 0x18, 0x0420 },
};
+ pr_debug("bcom_phy_init\n");
+
+ /* read Id from external PHY (all have the same address) */
+ id1 = xm_phy_read(hw, port, PHY_XMAC_ID1);
+
+ /* Optimize MDIO transfer by suppressing preamble. */
+ r = xm_read16(hw, port, XM_MMU_CMD);
+ r |= XM_MMU_NO_PRE;
+ xm_write16(hw, port, XM_MMU_CMD,r);
+
+ switch(id1) {
+ case PHY_BCOM_ID1_C0:
+ /*
+ * Workaround BCOM Errata for the C0 type.
+ * Write magic patterns to reserved registers.
+ */
+ for (i = 0; i < ARRAY_SIZE(C0hack); i++)
+ xm_phy_write(hw, port,
+ C0hack[i].reg, C0hack[i].val);
+
+ break;
+ case PHY_BCOM_ID1_A1:
+ /*
+ * Workaround BCOM Errata for the A1 type.
+ * Write magic patterns to reserved registers.
+ */
+ for (i = 0; i < ARRAY_SIZE(A1hack); i++)
+ xm_phy_write(hw, port,
+ A1hack[i].reg, A1hack[i].val);
+ break;
+ }
+
+ /*
+ * Workaround BCOM Errata (#10523) for all BCom PHYs.
+ * Disable Power Management after reset.
+ */
+ r = xm_phy_read(hw, port, PHY_BCOM_AUX_CTRL);
+ r |= PHY_B_AC_DIS_PM;
+ xm_phy_write(hw, port, PHY_BCOM_AUX_CTRL, r);
+
+ /* Dummy read */
+ xm_read16(hw, port, XM_ISRC);
+
+ ext = PHY_B_PEC_EN_LTR; /* enable tx led */
+ ctl = PHY_CT_SP1000; /* always 1000mbit */
+
+ if (skge->autoneg == AUTONEG_ENABLE) {
+ /*
+ * Workaround BCOM Errata #1 for the C5 type.
+ * 1000Base-T Link Acquisition Failure in Slave Mode
+ * Set Repeater/DTE bit 10 of the 1000Base-T Control Register
+ */
+ u16 adv = PHY_B_1000C_RD;
+ if (skge->advertising & ADVERTISED_1000baseT_Half)
+ adv |= PHY_B_1000C_AHD;
+ if (skge->advertising & ADVERTISED_1000baseT_Full)
+ adv |= PHY_B_1000C_AFD;
+ xm_phy_write(hw, port, PHY_BCOM_1000T_CTRL, adv);
+
+ ctl |= PHY_CT_ANE | PHY_CT_RE_CFG;
+ } else {
+ if (skge->duplex == DUPLEX_FULL)
+ ctl |= PHY_CT_DUP_MD;
+ /* Force to slave */
+ xm_phy_write(hw, port, PHY_BCOM_1000T_CTRL, PHY_B_1000C_MSE);
+ }
+
+ /* Set autonegotiation pause parameters */
+ xm_phy_write(hw, port, PHY_BCOM_AUNE_ADV,
+ phy_pause_map[skge->flow_control] | PHY_AN_CSMA);
+
+ /* Handle Jumbo frames */
+ if (jumbo) {
+ xm_phy_write(hw, port, PHY_BCOM_AUX_CTRL,
+ PHY_B_AC_TX_TST | PHY_B_AC_LONG_PACK);
+
+ ext |= PHY_B_PEC_HIGH_LA;
+
+ }
+
+ xm_phy_write(hw, port, PHY_BCOM_P_EXT_CTRL, ext);
+ xm_phy_write(hw, port, PHY_BCOM_CTRL, ctl);
+
+ /* Use link status change interrrupt */
+ xm_phy_write(hw, port, PHY_BCOM_INT_MASK, PHY_B_DEF_MSK);
+
+ bcom_check_link(hw, port);
+}
+
+static void genesis_mac_init(struct skge_hw *hw, int port)
+{
+ struct net_device *dev = hw->dev[port];
+ struct skge_port *skge = netdev_priv(dev);
+ int jumbo = hw->dev[port]->mtu > ETH_DATA_LEN;
+ int i;
+ u32 r;
+ const u8 zero[6] = { 0 };
+
+ /* Clear MIB counters */
+ xm_write16(hw, port, XM_STAT_CMD,
+ XM_SC_CLR_RXC | XM_SC_CLR_TXC);
+ /* Clear two times according to Errata #3 */
+ xm_write16(hw, port, XM_STAT_CMD,
+ XM_SC_CLR_RXC | XM_SC_CLR_TXC);
/* initialize Rx, Tx and Link LED */
- skge_write8(hw, SKGEMAC_REG(port, LNK_LED_REG), LINKLED_ON);
- skge_write8(hw, SKGEMAC_REG(port, LNK_LED_REG), LINKLED_LINKSYNC_ON);
+ skge_write8(hw, SK_REG(port, LNK_LED_REG), LINKLED_ON);
+ skge_write8(hw, SK_REG(port, LNK_LED_REG), LINKLED_LINKSYNC_ON);
- skge_write8(hw, SKGEMAC_REG(port, RX_LED_CTRL), LED_START);
- skge_write8(hw, SKGEMAC_REG(port, TX_LED_CTRL), LED_START);
+ skge_write8(hw, SK_REG(port, RX_LED_CTRL), LED_START);
+ skge_write8(hw, SK_REG(port, TX_LED_CTRL), LED_START);
/* Unreset the XMAC. */
- skge_write16(hw, SKGEMAC_REG(port, TX_MFF_CTRL1), MFF_CLR_MAC_RST);
+ skge_write16(hw, SK_REG(port, TX_MFF_CTRL1), MFF_CLR_MAC_RST);
/*
* Perform additional initialization for external PHYs,
@@ -1059,67 +1210,56 @@ static void genesis_mac_init(struct skge_hw *hw, int port)
* GMII mode.
*/
spin_lock_bh(&hw->phy_lock);
- if (hw->phy_type != SK_PHY_XMAC) {
- /* Take 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_read32(hw, B2_GP_IO);
-
- /* Enable GMII mode on the XMAC. */
- skge_xm_write16(hw, port, XM_HW_CFG, XM_HW_GMII_MD);
-
- id1 = skge_xm_phy_read(hw, port, PHY_XMAC_ID1);
-
- /* Optimize MDIO transfer by suppressing preamble. */
- skge_xm_write16(hw, port, XM_MMU_CMD,
- skge_xm_read16(hw, port, XM_MMU_CMD)
- | XM_MMU_NO_PRE);
-
- if (id1 == PHY_BCOM_ID1_C0) {
- /*
- * Workaround BCOM Errata for the C0 type.
- * Write magic patterns to reserved registers.
- */
- for (i = 0; i < ARRAY_SIZE(C0hack); i++)
- skge_xm_phy_write(hw, port,
- C0hack[i].reg, C0hack[i].val);
-
- } else if (id1 == PHY_BCOM_ID1_A1) {
- /*
- * Workaround BCOM Errata for the A1 type.
- * Write magic patterns to reserved registers.
- */
- for (i = 0; i < ARRAY_SIZE(A1hack); i++)
- skge_xm_phy_write(hw, port,
- A1hack[i].reg, A1hack[i].val);
- }
+ /* 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;
- /*
- * Workaround BCOM Errata (#10523) for all BCom PHYs.
- * Disable Power Management after reset.
- */
- r = skge_xm_phy_read(hw, port, PHY_BCOM_AUX_CTRL);
- skge_xm_phy_write(hw, port, PHY_BCOM_AUX_CTRL, r | PHY_B_AC_DIS_PM);
- }
+ skge_write32(hw, B2_GP_IO, r);
+ skge_read32(hw, B2_GP_IO);
+ spin_unlock_bh(&hw->phy_lock);
- /* Dummy read */
- skge_xm_read16(hw, port, XM_ISRC);
+ /* Enable GMII interfac */
+ xm_write16(hw, port, XM_HW_CFG, XM_HW_GMII_MD);
+
+ bcom_phy_init(skge, jumbo);
+
+ /* Set Station Address */
+ xm_outaddr(hw, port, XM_SA, dev->dev_addr);
+
+ /* We don't use match addresses so clear */
+ for (i = 1; i < 16; i++)
+ xm_outaddr(hw, port, XM_EXM(i), zero);
- r = skge_xm_read32(hw, port, XM_MODE);
- skge_xm_write32(hw, port, XM_MODE, r|XM_MD_CSA);
+ /* configure Rx High Water Mark (XM_RX_HI_WM) */
+ xm_write16(hw, port, XM_RX_HI_WM, 1450);
/* We don't need the FCS appended to the packet. */
- r = skge_xm_read16(hw, port, XM_RX_CMD);
- skge_xm_write16(hw, port, XM_RX_CMD, r | XM_RX_STRIP_FCS);
+ r = XM_RX_LENERR_OK | XM_RX_STRIP_FCS;
+ if (jumbo)
+ r |= XM_RX_BIG_PK_OK;
+
+ if (skge->duplex == DUPLEX_HALF) {
+ /*
+ * If in manual half duplex mode the other side might be in
+ * full duplex mode, so ignore if a carrier extension is not seen
+ * on frames received
+ */
+ r |= XM_RX_DIS_CEXT;
+ }
+ xm_write16(hw, port, XM_RX_CMD, r);
+
/* We want short frames padded to 60 bytes. */
- r = skge_xm_read16(hw, port, XM_TX_CMD);
- skge_xm_write16(hw, port, XM_TX_CMD, r | XM_TX_AUTO_PAD);
+ xm_write16(hw, port, XM_TX_CMD, XM_TX_AUTO_PAD);
+
+ /*
+ * Bump up the transmit threshold. This helps hold off transmit
+ * underruns when we're blasting traffic from both ports at once.
+ */
+ xm_write16(hw, port, XM_TX_THR, 512);
/*
* Enable the reception of all error frames. This is is
@@ -1135,19 +1275,22 @@ static void genesis_mac_init(struct skge_hw *hw, int port)
* case the XMAC will start transfering frames out of the
* RX FIFO as soon as the FIFO threshold is reached.
*/
- r = skge_xm_read32(hw, port, XM_MODE);
- skge_xm_write32(hw, port, XM_MODE,
- XM_MD_RX_CRCE|XM_MD_RX_LONG|XM_MD_RX_RUNT|
- XM_MD_RX_ERR|XM_MD_RX_IRLE);
+ xm_write32(hw, port, XM_MODE, XM_DEF_MODE);
- skge_xm_outaddr(hw, port, XM_SA, hw->dev[port]->dev_addr);
- skge_xm_outaddr(hw, port, XM_EXM(0), hw->dev[port]->dev_addr);
/*
- * Bump up the transmit threshold. This helps hold off transmit
- * underruns when we're blasting traffic from both ports at once.
+ * Initialize the Receive Counter Event Mask (XM_RX_EV_MSK)
+ * - Enable all bits excepting 'Octets Rx OK Low CntOv'
+ * and 'Octets Rx OK Hi Cnt Ov'.
*/
- skge_xm_write16(hw, port, XM_TX_THR, 512);
+ xm_write32(hw, port, XM_RX_EV_MSK, XMR_DEF_MSK);
+
+ /*
+ * Initialize the Transmit Counter Event Mask (XM_TX_EV_MSK)
+ * - Enable all bits excepting 'Octets Tx OK Low CntOv'
+ * and 'Octets Tx OK Hi Cnt Ov'.
+ */
+ xm_write32(hw, port, XM_TX_EV_MSK, XMT_DEF_MSK);
/* Configure MAC arbiter */
skge_write16(hw, B3_MA_TO_CTRL, MA_RST_CLR);
@@ -1164,137 +1307,30 @@ static void genesis_mac_init(struct skge_hw *hw, int port)
skge_write8(hw, B3_MA_RCINI_TX2, 0);
/* Configure Rx MAC FIFO */
- skge_write8(hw, SKGEMAC_REG(port, RX_MFF_CTRL2), MFF_RST_CLR);
- skge_write16(hw, SKGEMAC_REG(port, RX_MFF_CTRL1), MFF_ENA_TIM_PAT);
- skge_write8(hw, SKGEMAC_REG(port, RX_MFF_CTRL2), MFF_ENA_OP_MD);
+ skge_write8(hw, SK_REG(port, RX_MFF_CTRL2), MFF_RST_CLR);
+ skge_write16(hw, SK_REG(port, RX_MFF_CTRL1), MFF_ENA_TIM_PAT);
+ skge_write8(hw, SK_REG(port, RX_MFF_CTRL2), MFF_ENA_OP_MD);
/* Configure Tx MAC FIFO */
- skge_write8(hw, SKGEMAC_