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path: root/drivers/net/sky2.c
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Diffstat (limited to 'drivers/net/sky2.c')
-rw-r--r--drivers/net/sky2.c64
1 files changed, 37 insertions, 27 deletions
diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c
index 653bdd76ef46..4f83f111bb20 100644
--- a/drivers/net/sky2.c
+++ b/drivers/net/sky2.c
@@ -33,6 +33,7 @@
#include <linux/ethtool.h>
#include <linux/pci.h>
#include <linux/ip.h>
+#include <linux/slab.h>
#include <net/ip.h>
#include <linux/tcp.h>
#include <linux/in.h>
@@ -69,18 +70,15 @@
VLAN:GSO + CKSUM + Data + skb_frags * DMA */
#define MAX_SKB_TX_LE (2 + (sizeof(dma_addr_t)/sizeof(u32))*(MAX_SKB_FRAGS+1))
#define TX_MIN_PENDING (MAX_SKB_TX_LE+1)
-#define TX_MAX_PENDING 4096
+#define TX_MAX_PENDING 1024
#define TX_DEF_PENDING 127
-#define STATUS_RING_SIZE 2048 /* 2 ports * (TX + 2*RX) */
-#define STATUS_LE_BYTES (STATUS_RING_SIZE*sizeof(struct sky2_status_le))
#define TX_WATCHDOG (5 * HZ)
#define NAPI_WEIGHT 64
#define PHY_RETRIES 1000
#define SKY2_EEPROM_MAGIC 0x9955aabb
-
#define RING_NEXT(x,s) (((x)+1) & ((s)-1))
static const u32 default_msg =
@@ -226,7 +224,7 @@ static void sky2_power_on(struct sky2_hw *hw)
/* disable Core Clock Division, */
sky2_write32(hw, B2_Y2_CLK_CTRL, Y2_CLK_DIV_DIS);
- if (hw->chip_id == CHIP_ID_YUKON_XL && hw->chip_rev > 1)
+ if (hw->chip_id == CHIP_ID_YUKON_XL && hw->chip_rev > CHIP_REV_YU_XL_A1)
/* enable bits are inverted */
sky2_write8(hw, B2_Y2_CLK_GATE,
Y2_PCI_CLK_LNK1_DIS | Y2_COR_CLK_LNK1_DIS |
@@ -268,7 +266,7 @@ static void sky2_power_on(struct sky2_hw *hw)
static void sky2_power_aux(struct sky2_hw *hw)
{
- if (hw->chip_id == CHIP_ID_YUKON_XL && hw->chip_rev > 1)
+ if (hw->chip_id == CHIP_ID_YUKON_XL && hw->chip_rev > CHIP_REV_YU_XL_A1)
sky2_write8(hw, B2_Y2_CLK_GATE, 0);
else
/* enable bits are inverted */
@@ -651,7 +649,7 @@ static void sky2_phy_power_up(struct sky2_hw *hw, unsigned port)
reg1 = sky2_pci_read32(hw, PCI_DEV_REG1);
reg1 &= ~phy_power[port];
- if (hw->chip_id == CHIP_ID_YUKON_XL && hw->chip_rev > 1)
+ if (hw->chip_id == CHIP_ID_YUKON_XL && hw->chip_rev > CHIP_REV_YU_XL_A1)
reg1 |= coma_mode[port];
sky2_pci_write32(hw, PCI_DEV_REG1, reg1);
@@ -823,7 +821,9 @@ static void sky2_mac_init(struct sky2_hw *hw, unsigned port)
sky2_write8(hw, SK_REG(port, GMAC_CTRL), GMC_RST_CLR);
- if (hw->chip_id == CHIP_ID_YUKON_XL && hw->chip_rev == 0 && port == 1) {
+ if (hw->chip_id == CHIP_ID_YUKON_XL &&
+ hw->chip_rev == CHIP_REV_YU_XL_A0 &&
+ port == 1) {
/* WA DEV_472 -- looks like crossed wires on port 2 */
/* clear GMAC 1 Control reset */
sky2_write8(hw, SK_REG(0, GMAC_CTRL), GMC_RST_CLR);
@@ -877,6 +877,10 @@ static void sky2_mac_init(struct sky2_hw *hw, unsigned port)
if (hw->dev[port]->mtu > ETH_DATA_LEN)
reg |= GM_SMOD_JUMBO_ENA;
+ if (hw->chip_id == CHIP_ID_YUKON_EC_U &&
+ hw->chip_rev == CHIP_REV_YU_EC_U_B1)
+ reg |= GM_NEW_FLOW_CTRL;
+
gma_write16(hw, port, GM_SERIAL_MODE, reg);
/* virtual address for data */
@@ -1413,8 +1417,7 @@ static void sky2_rx_start(struct sky2_port *sky2)
/* These chips have no ram buffer?
* MAC Rx RAM Read is controlled by hardware */
if (hw->chip_id == CHIP_ID_YUKON_EC_U &&
- (hw->chip_rev == CHIP_REV_YU_EC_U_A1 ||
- hw->chip_rev == CHIP_REV_YU_EC_U_B0))
+ hw->chip_rev > CHIP_REV_YU_EC_U_A0)
sky2_write32(hw, Q_ADDR(rxq, Q_TEST), F_M_RX_RAM_DIS);
sky2_prefetch_init(hw, rxq, sky2->rx_le_map, RX_LE_SIZE - 1);
@@ -2141,7 +2144,8 @@ static void sky2_phy_intr(struct sky2_hw *hw, unsigned port)
istatus, phystat);
if (istatus & PHY_M_IS_AN_COMPL) {
- if (sky2_autoneg_done(sky2, phystat) == 0)
+ if (sky2_autoneg_done(sky2, phystat) == 0 &&
+ !netif_carrier_ok(dev))
sky2_link_up(sky2);
goto out;
}
@@ -2551,7 +2555,7 @@ static int sky2_status_intr(struct sky2_hw *hw, int to_do, u16 idx)
if (!(opcode & HW_OWNER))
break;
- hw->st_idx = RING_NEXT(hw->st_idx, STATUS_RING_SIZE);
+ hw->st_idx = RING_NEXT(hw->st_idx, hw->st_size);
port = le->css & CSS_LINK_BIT;
dev = hw->dev[port];
@@ -3191,7 +3195,7 @@ static void sky2_reset(struct sky2_hw *hw)
for (i = 0; i < hw->ports; i++)
sky2_gmac_reset(hw, i);
- memset(hw->st_le, 0, STATUS_LE_BYTES);
+ memset(hw->st_le, 0, hw->st_size * sizeof(struct sky2_status_le));
hw->st_idx = 0;
sky2_write32(hw, STAT_CTRL, SC_STAT_RST_SET);
@@ -3201,7 +3205,7 @@ static void sky2_reset(struct sky2_hw *hw)
sky2_write32(hw, STAT_LIST_ADDR_HI, (u64) hw->st_dma >> 32);
/* Set the list last index */
- sky2_write16(hw, STAT_LAST_IDX, STATUS_RING_SIZE - 1);
+ sky2_write16(hw, STAT_LAST_IDX, hw->st_size - 1);
sky2_write16(hw, STAT_TX_IDX_TH, 10);
sky2_write8(hw, STAT_FIFO_WM, 16);
@@ -3621,7 +3625,7 @@ static void sky2_set_multicast(struct net_device *dev)
struct sky2_port *sky2 = netdev_priv(dev);
struct sky2_hw *hw = sky2->hw;
unsigned port = sky2->port;
- struct dev_mc_list *list;
+ struct netdev_hw_addr *ha;
u16 reg;
u8 filter[8];
int rx_pause;
@@ -3645,8 +3649,8 @@ static void sky2_set_multicast(struct net_device *dev)
if (rx_pause)
sky2_add_filter(filter, pause_mc_addr);
- netdev_for_each_mc_addr(list, dev)
- sky2_add_filter(filter, list->dmi_addr);
+ netdev_for_each_mc_addr(ha, dev)
+ sky2_add_filter(filter, ha->addr);
}
gma_write16(hw, port, GM_MC_ADDR_H1,
@@ -4249,12 +4253,13 @@ static int sky2_debug_show(struct seq_file *seq, void *v)
napi_disable(&hw->napi);
last = sky2_read16(hw, STAT_PUT_IDX);
+ seq_printf(seq, "Status ring %u\n", hw->st_size);
if (hw->st_idx == last)
seq_puts(seq, "Status ring (empty)\n");
else {
seq_puts(seq, "Status ring\n");
- for (idx = hw->st_idx; idx != last && idx < STATUS_RING_SIZE;
- idx = RING_NEXT(idx, STATUS_RING_SIZE)) {
+ for (idx = hw->st_idx; idx != last && idx < hw->st_size;
+ idx = RING_NEXT(idx, hw->st_size)) {
const struct sky2_status_le *le = hw->st_le + idx;
seq_printf(seq, "[%d] %#x %d %#x\n",
idx, le->opcode, le->length, le->status);
@@ -4682,15 +4687,17 @@ static int __devinit sky2_probe(struct pci_dev *pdev,
goto err_out_free_hw;
}
- /* ring for status responses */
- hw->st_le = pci_alloc_consistent(pdev, STATUS_LE_BYTES, &hw->st_dma);
- if (!hw->st_le)
- goto err_out_iounmap;
-
err = sky2_init(hw);
if (err)
goto err_out_iounmap;
+ /* ring for status responses */
+ hw->st_size = hw->ports * roundup_pow_of_two(2*RX_MAX_PENDING + TX_MAX_PENDING);
+ hw->st_le = pci_alloc_consistent(pdev, hw->st_size * sizeof(struct sky2_status_le),
+ &hw->st_dma);
+ if (!hw->st_le)
+ goto err_out_reset;
+
dev_info(&pdev->dev, "Yukon-2 %s chip revision %d\n",
sky2_name(hw->chip_id, buf1, sizeof(buf1)), hw->chip_rev);
@@ -4764,8 +4771,10 @@ err_out_unregister:
err_out_free_netdev:
free_netdev(dev);
err_out_free_pci:
+ pci_free_consistent(pdev, hw->st_size * sizeof(struct sky2_status_le),
+ hw->st_le, hw->st_dma);
+err_out_reset:
sky2_write8(hw, B0_CTST, CS_RST_SET);
- pci_free_consistent(pdev, STATUS_LE_BYTES, hw->st_le, hw->st_dma);
err_out_iounmap:
iounmap(hw->regs);
err_out_free_hw:
@@ -4803,7 +4812,8 @@ static void __devexit sky2_remove(struct pci_dev *pdev)
free_irq(pdev->irq, hw);
if (hw->flags & SKY2_HW_USE_MSI)
pci_disable_msi(pdev);
- pci_free_consistent(pdev, STATUS_LE_BYTES, hw->st_le, hw->st_dma);
+ pci_free_consistent(pdev, hw->st_size * sizeof(struct sky2_status_le),
+ hw->st_le, hw->st_dma);
pci_release_regions(pdev);
pci_disable_device(pdev);
@@ -4863,6 +4873,7 @@ static int sky2_resume(struct pci_dev *pdev)
if (!hw)
return 0;
+ rtnl_lock();
err = pci_set_power_state(pdev, PCI_D0);
if (err)
goto out;
@@ -4884,7 +4895,6 @@ static int sky2_resume(struct pci_dev *pdev)
sky2_write32(hw, B0_IMSK, Y2_IS_BASE);
napi_enable(&hw->napi);
- rtnl_lock();
for (i = 0; i < hw->ports; i++) {
err = sky2_reattach(hw->dev[i]);
if (err)
generated by cgit v1.2.3 (git 2.0.4) at 2025-09-16 07:26:47 +0000