#include "sky2.h"
#define DRV_NAME "sky2"
-#define DRV_VERSION "1.20"
+#define DRV_VERSION "1.21"
#define PFX DRV_NAME " "
/*
#define RX_LE_BYTES (RX_LE_SIZE*sizeof(struct sky2_rx_le))
#define RX_MAX_PENDING (RX_LE_SIZE/6 - 2)
#define RX_DEF_PENDING RX_MAX_PENDING
-#define RX_SKB_ALIGN 8
#define TX_RING_SIZE 512
#define TX_DEF_PENDING (TX_RING_SIZE - 1)
{ PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x436A) }, /* 88E8058 */
{ PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x436B) }, /* 88E8071 */
{ PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x436C) }, /* 88E8072 */
+ { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x436D) }, /* 88E8055 */
+ { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4370) }, /* 88E8075 */
{ 0 }
};
case CHIP_ID_YUKON_EC_U:
case CHIP_ID_YUKON_EX:
+ case CHIP_ID_YUKON_SUPR:
pg = gm_phy_read(hw, port, PHY_MARV_EXT_ADR);
/* select page 3 to access LED control register */
{
struct net_device *dev = hw->dev[port];
- if (dev->mtu <= ETH_DATA_LEN)
- sky2_write32(hw, SK_REG(port, TX_GMF_CTRL_T),
- TX_JUMBO_DIS | TX_STFW_ENA);
+ if ( (hw->chip_id == CHIP_ID_YUKON_EX &&
+ hw->chip_rev != CHIP_REV_YU_EX_A0) ||
+ hw->chip_id == CHIP_ID_YUKON_FE_P ||
+ hw->chip_id == CHIP_ID_YUKON_SUPR) {
+ /* Yukon-Extreme B0 and further Extreme devices */
+ /* enable Store & Forward mode for TX */
- else if (hw->chip_id != CHIP_ID_YUKON_EC_U)
- sky2_write32(hw, SK_REG(port, TX_GMF_CTRL_T),
- TX_STFW_ENA | TX_JUMBO_ENA);
- else {
- /* set Tx GMAC FIFO Almost Empty Threshold */
- sky2_write32(hw, SK_REG(port, TX_GMF_AE_THR),
- (ECU_JUMBO_WM << 16) | ECU_AE_THR);
+ if (dev->mtu <= ETH_DATA_LEN)
+ sky2_write32(hw, SK_REG(port, TX_GMF_CTRL_T),
+ TX_JUMBO_DIS | TX_STFW_ENA);
- sky2_write32(hw, SK_REG(port, TX_GMF_CTRL_T),
- TX_JUMBO_ENA | TX_STFW_DIS);
+ else
+ sky2_write32(hw, SK_REG(port, TX_GMF_CTRL_T),
+ TX_JUMBO_ENA| TX_STFW_ENA);
+ } else {
+ if (dev->mtu <= ETH_DATA_LEN)
+ sky2_write32(hw, SK_REG(port, TX_GMF_CTRL_T), TX_STFW_ENA);
+ else {
+ /* set Tx GMAC FIFO Almost Empty Threshold */
+ sky2_write32(hw, SK_REG(port, TX_GMF_AE_THR),
+ (ECU_JUMBO_WM << 16) | ECU_AE_THR);
+
+ sky2_write32(hw, SK_REG(port, TX_GMF_CTRL_T), TX_STFW_DIS);
- /* Can't do offload because of lack of store/forward */
- dev->features &= ~(NETIF_F_TSO | NETIF_F_SG | NETIF_F_ALL_CSUM);
+ /* Can't do offload because of lack of store/forward */
+ dev->features &= ~(NETIF_F_TSO | NETIF_F_SG | NETIF_F_ALL_CSUM);
+ }
}
}
sky2_write32(hw, SK_REG(port, RX_GMF_CTRL_T), rx_reg);
- /* Flush Rx MAC FIFO on any flow control or error */
- sky2_write16(hw, SK_REG(port, RX_GMF_FL_MSK), GMR_FS_ANY_ERR);
+ if (hw->chip_id == CHIP_ID_YUKON_XL) {
+ /* Hardware errata - clear flush mask */
+ sky2_write16(hw, SK_REG(port, RX_GMF_FL_MSK), 0);
+ } else {
+ /* Flush Rx MAC FIFO on any flow control or error */
+ sky2_write16(hw, SK_REG(port, RX_GMF_FL_MSK), GMR_FS_ANY_ERR);
+ }
/* Set threshold to 0xa (64 bytes) + 1 to workaround pause bug */
reg = RX_GMF_FL_THR_DEF + 1;
le = get_tx_le(sky2);
le->addr = 0;
le->opcode = OP_ADDR64 | HW_OWNER;
- sky2->tx_addr64 = 0;
}
static inline struct tx_ring_info *tx_le_re(struct sky2_port *sky2,
dma_addr_t map, unsigned len)
{
struct sky2_rx_le *le;
- u32 hi = upper_32_bits(map);
- if (sky2->rx_addr64 != hi) {
+ if (sizeof(dma_addr_t) > sizeof(u32)) {
le = sky2_next_rx(sky2);
- le->addr = cpu_to_le32(hi);
+ le->addr = cpu_to_le32(upper_32_bits(map));
le->opcode = OP_ADDR64 | HW_OWNER;
- sky2->rx_addr64 = upper_32_bits(map + len);
}
le = sky2_next_rx(sky2);
TX_VLAN_TAG_OFF);
}
+ sky2_read32(hw, B0_Y2_SP_LISR);
napi_enable(&hw->napi);
netif_tx_unlock_bh(dev);
}
/*
* Allocate an skb for receiving. If the MTU is large enough
* make the skb non-linear with a fragment list of pages.
- *
- * It appears the hardware has a bug in the FIFO logic that
- * cause it to hang if the FIFO gets overrun and the receive buffer
- * is not 64 byte aligned. The buffer returned from netdev_alloc_skb is
- * aligned except if slab debugging is enabled.
*/
static struct sk_buff *sky2_rx_alloc(struct sky2_port *sky2)
{
struct sk_buff *skb;
- unsigned long p;
int i;
- skb = netdev_alloc_skb(sky2->netdev, sky2->rx_data_size + RX_SKB_ALIGN);
- if (!skb)
- goto nomem;
-
- p = (unsigned long) skb->data;
- skb_reserve(skb, ALIGN(p, RX_SKB_ALIGN) - p);
+ if (sky2->hw->flags & SKY2_HW_FIFO_HANG_CHECK) {
+ unsigned char *start;
+ /*
+ * Workaround for a bug in FIFO that cause hang
+ * if the FIFO if the receive buffer is not 64 byte aligned.
+ * The buffer returned from netdev_alloc_skb is
+ * aligned except if slab debugging is enabled.
+ */
+ skb = netdev_alloc_skb(sky2->netdev, sky2->rx_data_size + 8);
+ if (!skb)
+ goto nomem;
+ start = PTR_ALIGN(skb->data, 8);
+ skb_reserve(skb, start - skb->data);
+ } else {
+ skb = netdev_alloc_skb(sky2->netdev,
+ sky2->rx_data_size + NET_IP_ALIGN);
+ if (!skb)
+ goto nomem;
+ skb_reserve(skb, NET_IP_ALIGN);
+ }
for (i = 0; i < sky2->rx_nfrags; i++) {
struct page *page = alloc_page(GFP_ATOMIC);
struct sky2_hw *hw = sky2->hw;
struct rx_ring_info *re;
unsigned rxq = rxqaddr[sky2->port];
- unsigned i, size, space, thresh;
+ unsigned i, size, thresh;
sky2->rx_put = sky2->rx_next = 0;
sky2_qset(hw, rxq);
/* Stopping point for hardware truncation */
thresh = (size - 8) / sizeof(u32);
- /* Account for overhead of skb - to avoid order > 0 allocation */
- space = SKB_DATA_ALIGN(size) + NET_SKB_PAD
- + sizeof(struct skb_shared_info);
-
- sky2->rx_nfrags = space >> PAGE_SHIFT;
+ sky2->rx_nfrags = size >> PAGE_SHIFT;
BUG_ON(sky2->rx_nfrags > ARRAY_SIZE(re->frag_addr));
- if (sky2->rx_nfrags != 0) {
- /* Compute residue after pages */
- space = sky2->rx_nfrags << PAGE_SHIFT;
+ /* Compute residue after pages */
+ size -= sky2->rx_nfrags << PAGE_SHIFT;
- if (space < size)
- size -= space;
- else
- size = 0;
+ /* Optimize to handle small packets and headers */
+ if (size < copybreak)
+ size = copybreak;
+ if (size < ETH_HLEN)
+ size = ETH_HLEN;
- /* Optimize to handle small packets and headers */
- if (size < copybreak)
- size = copybreak;
- if (size < ETH_HLEN)
- size = ETH_HLEN;
- }
sky2->rx_data_size = size;
/* Fill Rx ring */
struct tx_ring_info *re;
unsigned i, len;
dma_addr_t mapping;
- u32 addr64;
u16 mss;
u8 ctrl;
len = skb_headlen(skb);
mapping = pci_map_single(hw->pdev, skb->data, len, PCI_DMA_TODEVICE);
- addr64 = upper_32_bits(mapping);
- /* Send high bits if changed or crosses boundary */
- if (addr64 != sky2->tx_addr64 ||
- upper_32_bits(mapping + len) != sky2->tx_addr64) {
+ /* Send high bits if needed */
+ if (sizeof(dma_addr_t) > sizeof(u32)) {
le = get_tx_le(sky2);
- le->addr = cpu_to_le32(addr64);
+ le->addr = cpu_to_le32(upper_32_bits(mapping));
le->opcode = OP_ADDR64 | HW_OWNER;
- sky2->tx_addr64 = upper_32_bits(mapping + len);
}
/* Check for TCP Segmentation Offload */
mapping = pci_map_page(hw->pdev, frag->page, frag->page_offset,
frag->size, PCI_DMA_TODEVICE);
- addr64 = upper_32_bits(mapping);
- if (addr64 != sky2->tx_addr64) {
+
+ if (sizeof(dma_addr_t) > sizeof(u32)) {
le = get_tx_le(sky2);
- le->addr = cpu_to_le32(addr64);
+ le->addr = cpu_to_le32(upper_32_bits(mapping));
le->ctrl = 0;
le->opcode = OP_ADDR64 | HW_OWNER;
- sky2->tx_addr64 = addr64;
}
le = get_tx_le(sky2);
err = sky2_rx_start(sky2);
sky2_write32(hw, B0_IMSK, imask);
+ sky2_read32(hw, B0_Y2_SP_LISR);
napi_enable(&hw->napi);
if (err)
case CHIP_ID_YUKON_EC:
case CHIP_ID_YUKON_EC_U:
case CHIP_ID_YUKON_EX:
+ case CHIP_ID_YUKON_SUPR:
return 125;
case CHIP_ID_YUKON_FE:
| SKY2_HW_AUTO_TX_SUM
| SKY2_HW_ADV_POWER_CTL;
break;
+
+ case CHIP_ID_YUKON_SUPR:
+ hw->flags = SKY2_HW_GIGABIT
+ | SKY2_HW_NEWER_PHY
+ | SKY2_HW_NEW_LE
+ | SKY2_HW_AUTO_TX_SUM
+ | SKY2_HW_ADV_POWER_CTL;
+ break;
+
default:
dev_err(&hw->pdev->dev, "unsupported chip type 0x%x\n",
hw->chip_id);
sky2_write8(hw, SK_REG(i, GMAC_LINK_CTRL), GMLC_RST_SET);
sky2_write8(hw, SK_REG(i, GMAC_LINK_CTRL), GMLC_RST_CLR);
- if (hw->chip_id == CHIP_ID_YUKON_EX)
+ if (hw->chip_id == CHIP_ID_YUKON_EX ||
+ hw->chip_id == CHIP_ID_YUKON_SUPR)
sky2_write16(hw, SK_REG(i, GMAC_CTRL),
GMC_BYP_MACSECRX_ON | GMC_BYP_MACSECTX_ON
| GMC_BYP_RETR_ON);
int i, err;
rtnl_lock();
- sky2_write32(hw, B0_IMSK, 0);
- sky2_read32(hw, B0_IMSK);
- napi_disable(&hw->napi);
-
for (i = 0; i < hw->ports; i++) {
dev = hw->dev[i];
if (netif_running(dev))
sky2_down(dev);
}
+ napi_disable(&hw->napi);
+ sky2_write32(hw, B0_IMSK, 0);
sky2_reset(hw);
sky2_write32(hw, B0_IMSK, Y2_IS_BASE);
napi_enable(&hw->napi);
last = sky2_read16(hw, Y2_QADDR(rxqaddr[port], PREF_UNIT_PUT_IDX)),
sky2_read16(hw, Y2_QADDR(rxqaddr[port], PREF_UNIT_LAST_IDX)));
+ sky2_read32(hw, B0_Y2_SP_LISR);
napi_enable(&hw->napi);
return 0;
}