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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.c603
1 files changed, 301 insertions, 302 deletions
diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c
index 0a551d8f5d95..00bc65a0aac9 100644
--- a/drivers/net/sky2.c
+++ b/drivers/net/sky2.c
@@ -50,7 +50,7 @@
#include "sky2.h"
#define DRV_NAME "sky2"
-#define DRV_VERSION "1.23"
+#define DRV_VERSION "1.25"
#define PFX DRV_NAME " "
/*
@@ -64,10 +64,12 @@
#define RX_MAX_PENDING (RX_LE_SIZE/6 - 2)
#define RX_DEF_PENDING RX_MAX_PENDING
-#define TX_RING_SIZE 512
-#define TX_DEF_PENDING 128
-#define MAX_SKB_TX_LE (4 + (sizeof(dma_addr_t)/sizeof(u32))*MAX_SKB_FRAGS)
+/* This is the worst case number of transmit list elements for a single skb:
+ VLAN + TSO + CKSUM + Data + skb_frags * DMA */
+#define MAX_SKB_TX_LE (4 + (sizeof(dma_addr_t)/sizeof(u32))*MAX_SKB_FRAGS)
#define TX_MIN_PENDING (MAX_SKB_TX_LE+1)
+#define TX_MAX_PENDING 4096
+#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))
@@ -254,6 +256,9 @@ static void sky2_power_on(struct sky2_hw *hw)
sky2_read32(hw, B2_GP_IO);
}
+
+ /* Turn on "driver loaded" LED */
+ sky2_write16(hw, B0_CTST, Y2_LED_STAT_ON);
}
static void sky2_power_aux(struct sky2_hw *hw)
@@ -267,11 +272,15 @@ static void sky2_power_aux(struct sky2_hw *hw)
Y2_CLK_GAT_LNK1_DIS | Y2_PCI_CLK_LNK2_DIS |
Y2_COR_CLK_LNK2_DIS | Y2_CLK_GAT_LNK2_DIS);
- /* switch power to VAUX */
- if (sky2_read16(hw, B0_CTST) & Y2_VAUX_AVAIL)
+ /* switch power to VAUX if supported and PME from D3cold */
+ if ( (sky2_read32(hw, B0_CTST) & Y2_VAUX_AVAIL) &&
+ pci_pme_capable(hw->pdev, PCI_D3cold))
sky2_write8(hw, B0_POWER_CTRL,
(PC_VAUX_ENA | PC_VCC_ENA |
PC_VAUX_ON | PC_VCC_OFF));
+
+ /* turn off "driver loaded LED" */
+ sky2_write16(hw, B0_CTST, Y2_LED_STAT_OFF);
}
static void sky2_gmac_reset(struct sky2_hw *hw, unsigned port)
@@ -321,7 +330,7 @@ static void sky2_phy_init(struct sky2_hw *hw, unsigned port)
struct sky2_port *sky2 = netdev_priv(hw->dev[port]);
u16 ctrl, ct1000, adv, pg, ledctrl, ledover, reg;
- if (sky2->autoneg == AUTONEG_ENABLE &&
+ if ( (sky2->flags & SKY2_FLAG_AUTO_SPEED) &&
!(hw->flags & SKY2_HW_NEWER_PHY)) {
u16 ectrl = gm_phy_read(hw, port, PHY_MARV_EXT_CTRL);
@@ -363,7 +372,7 @@ static void sky2_phy_init(struct sky2_hw *hw, unsigned port)
ctrl |= PHY_M_PC_MDI_XMODE(PHY_M_PC_ENA_AUTO);
/* downshift on PHY 88E1112 and 88E1149 is changed */
- if (sky2->autoneg == AUTONEG_ENABLE
+ if ( (sky2->flags & SKY2_FLAG_AUTO_SPEED)
&& (hw->flags & SKY2_HW_NEWER_PHY)) {
/* set downshift counter to 3x and enable downshift */
ctrl &= ~PHY_M_PC_DSC_MSK;
@@ -408,7 +417,7 @@ static void sky2_phy_init(struct sky2_hw *hw, unsigned port)
adv = PHY_AN_CSMA;
reg = 0;
- if (sky2->autoneg == AUTONEG_ENABLE) {
+ if (sky2->flags & SKY2_FLAG_AUTO_SPEED) {
if (sky2_is_copper(hw)) {
if (sky2->advertising & ADVERTISED_1000baseT_Full)
ct1000 |= PHY_M_1000C_AFD;
@@ -423,14 +432,11 @@ static void sky2_phy_init(struct sky2_hw *hw, unsigned port)
if (sky2->advertising & ADVERTISED_10baseT_Half)
adv |= PHY_M_AN_10_HD;
- adv |= copper_fc_adv[sky2->flow_mode];
} else { /* special defines for FIBER (88E1040S only) */
if (sky2->advertising & ADVERTISED_1000baseT_Full)
adv |= PHY_M_AN_1000X_AFD;
if (sky2->advertising & ADVERTISED_1000baseT_Half)
adv |= PHY_M_AN_1000X_AHD;
-
- adv |= fiber_fc_adv[sky2->flow_mode];
}
/* Restart Auto-negotiation */
@@ -439,8 +445,8 @@ static void sky2_phy_init(struct sky2_hw *hw, unsigned port)
/* forced speed/duplex settings */
ct1000 = PHY_M_1000C_MSE;
- /* Disable auto update for duplex flow control and speed */
- reg |= GM_GPCR_AU_ALL_DIS;
+ /* Disable auto update for duplex flow control and duplex */
+ reg |= GM_GPCR_AU_DUP_DIS | GM_GPCR_AU_SPD_DIS;
switch (sky2->speed) {
case SPEED_1000:
@@ -458,8 +464,15 @@ static void sky2_phy_init(struct sky2_hw *hw, unsigned port)
ctrl |= PHY_CT_DUP_MD;
} else if (sky2->speed < SPEED_1000)
sky2->flow_mode = FC_NONE;
+ }
-
+ if (sky2->flags & SKY2_FLAG_AUTO_PAUSE) {
+ if (sky2_is_copper(hw))
+ adv |= copper_fc_adv[sky2->flow_mode];
+ else
+ adv |= fiber_fc_adv[sky2->flow_mode];
+ } else {
+ reg |= GM_GPCR_AU_FCT_DIS;
reg |= gm_fc_disable[sky2->flow_mode];
/* Forward pause packets to GMAC? */
@@ -594,7 +607,8 @@ static void sky2_phy_init(struct sky2_hw *hw, unsigned port)
/* no effect on Yukon-XL */
gm_phy_write(hw, port, PHY_MARV_LED_CTRL, ledctrl);
- if (sky2->autoneg == AUTONEG_DISABLE || sky2->speed == SPEED_100) {
+ if ( !(sky2->flags & SKY2_FLAG_AUTO_SPEED)
+ || sky2->speed == SPEED_100) {
/* turn on 100 Mbps LED (LED_LINK100) */
ledover |= PHY_M_LED_MO_100(MO_LED_ON);
}
@@ -605,7 +619,7 @@ static void sky2_phy_init(struct sky2_hw *hw, unsigned port)
}
/* Enable phy interrupt on auto-negotiation complete (or link up) */
- if (sky2->autoneg == AUTONEG_ENABLE)
+ if (sky2->flags & SKY2_FLAG_AUTO_SPEED)
gm_phy_write(hw, port, PHY_MARV_INT_MASK, PHY_M_IS_AN_COMPL);
else
gm_phy_write(hw, port, PHY_MARV_INT_MASK, PHY_M_DEF_MSK);
@@ -661,7 +675,9 @@ static void sky2_phy_power_down(struct sky2_hw *hw, unsigned port)
/* setup General Purpose Control Register */
gma_write16(hw, port, GM_GP_CTRL,
- GM_GPCR_FL_PASS | GM_GPCR_SPEED_100 | GM_GPCR_AU_ALL_DIS);
+ GM_GPCR_FL_PASS | GM_GPCR_SPEED_100 |
+ GM_GPCR_AU_DUP_DIS | GM_GPCR_AU_FCT_DIS |
+ GM_GPCR_AU_SPD_DIS);
if (hw->chip_id != CHIP_ID_YUKON_EC) {
if (hw->chip_id == CHIP_ID_YUKON_EC_U) {
@@ -977,23 +993,26 @@ static void sky2_qset(struct sky2_hw *hw, u16 q)
* hardware and driver list elements
*/
static void sky2_prefetch_init(struct sky2_hw *hw, u32 qaddr,
- u64 addr, u32 last)
+ dma_addr_t addr, u32 last)
{
sky2_write32(hw, Y2_QADDR(qaddr, PREF_UNIT_CTRL), PREF_UNIT_RST_SET);
sky2_write32(hw, Y2_QADDR(qaddr, PREF_UNIT_CTRL), PREF_UNIT_RST_CLR);
- sky2_write32(hw, Y2_QADDR(qaddr, PREF_UNIT_ADDR_HI), addr >> 32);
- sky2_write32(hw, Y2_QADDR(qaddr, PREF_UNIT_ADDR_LO), (u32) addr);
+ sky2_write32(hw, Y2_QADDR(qaddr, PREF_UNIT_ADDR_HI), upper_32_bits(addr));
+ sky2_write32(hw, Y2_QADDR(qaddr, PREF_UNIT_ADDR_LO), lower_32_bits(addr));
sky2_write16(hw, Y2_QADDR(qaddr, PREF_UNIT_LAST_IDX), last);
sky2_write32(hw, Y2_QADDR(qaddr, PREF_UNIT_CTRL), PREF_UNIT_OP_ON);
sky2_read32(hw, Y2_QADDR(qaddr, PREF_UNIT_CTRL));
}
-static inline struct sky2_tx_le *get_tx_le(struct sky2_port *sky2)
+static inline struct sky2_tx_le *get_tx_le(struct sky2_port *sky2, u16 *slot)
{
- struct sky2_tx_le *le = sky2->tx_le + sky2->tx_prod;
+ struct sky2_tx_le *le = sky2->tx_le + *slot;
+ struct tx_ring_info *re = sky2->tx_ring + *slot;
- sky2->tx_prod = RING_NEXT(sky2->tx_prod, TX_RING_SIZE);
+ *slot = RING_NEXT(*slot, sky2->tx_ring_size);
+ re->flags = 0;
+ re->skb = NULL;
le->ctrl = 0;
return le;
}
@@ -1006,15 +1025,10 @@ static void tx_init(struct sky2_port *sky2)
sky2->tx_tcpsum = 0;
sky2->tx_last_mss = 0;
- le = get_tx_le(sky2);
+ le = get_tx_le(sky2, &sky2->tx_prod);
le->addr = 0;
le->opcode = OP_ADDR64 | HW_OWNER;
-}
-
-static inline struct tx_ring_info *tx_le_re(struct sky2_port *sky2,
- struct sky2_tx_le *le)
-{
- return sky2->tx_ring + (le - sky2->tx_le);
+ sky2->tx_last_upper = 0;
}
/* Update chip's next pointer */
@@ -1050,7 +1064,7 @@ static void sky2_rx_add(struct sky2_port *sky2, u8 op,
}
le = sky2_next_rx(sky2);
- le->addr = cpu_to_le32((u32) map);
+ le->addr = cpu_to_le32(lower_32_bits(map));
le->length = cpu_to_le16(len);
le->opcode = op | HW_OWNER;
}
@@ -1117,7 +1131,8 @@ static void rx_set_checksum(struct sky2_port *sky2)
sky2_write32(sky2->hw,
Q_ADDR(rxqaddr[sky2->port], Q_CSR),
- sky2->rx_csum ? BMU_ENA_RX_CHKSUM : BMU_DIS_RX_CHKSUM);
+ (sky2->flags & SKY2_FLAG_RX_CHECKSUM)
+ ? BMU_ENA_RX_CHKSUM : BMU_DIS_RX_CHKSUM);
}
/*
@@ -1169,7 +1184,6 @@ static void sky2_rx_clean(struct sky2_port *sky2)
re->skb = NULL;
}
}
- skb_queue_purge(&sky2->rx_recycle);
}
/* Basic MII support */
@@ -1200,9 +1214,6 @@ static int sky2_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
}
case SIOCSMIIREG:
- if (!capable(CAP_NET_ADMIN))
- return -EPERM;
-
spin_lock_bh(&sky2->phy_lock);
err = gm_phy_write(hw, sky2->port, data->reg_num & 0x1f,
data->val_in);
@@ -1261,10 +1272,8 @@ static struct sk_buff *sky2_rx_alloc(struct sky2_port *sky2)
struct sk_buff *skb;
int i;
- skb = __skb_dequeue(&sky2->rx_recycle);
- if (!skb)
- skb = netdev_alloc_skb(sky2->netdev, sky2->rx_data_size
- + sky2_rx_pad(sky2->hw));
+ skb = netdev_alloc_skb(sky2->netdev,
+ sky2->rx_data_size + sky2_rx_pad(sky2->hw));
if (!skb)
goto nomem;
@@ -1356,8 +1365,6 @@ static int sky2_rx_start(struct sky2_port *sky2)
sky2->rx_data_size = size;
- skb_queue_head_init(&sky2->rx_recycle);
-
/* Fill Rx ring */
for (i = 0; i < sky2->rx_pending; i++) {
re = sky2->rx_ring + i;
@@ -1396,6 +1403,61 @@ nomem:
return -ENOMEM;
}
+static int sky2_alloc_buffers(struct sky2_port *sky2)
+{
+ struct sky2_hw *hw = sky2->hw;
+
+ /* must be power of 2 */
+ sky2->tx_le = pci_alloc_consistent(hw->pdev,
+ sky2->tx_ring_size *
+ sizeof(struct sky2_tx_le),
+ &sky2->tx_le_map);
+ if (!sky2->tx_le)
+ goto nomem;
+
+ sky2->tx_ring = kcalloc(sky2->tx_ring_size, sizeof(struct tx_ring_info),
+ GFP_KERNEL);
+ if (!sky2->tx_ring)
+ goto nomem;
+
+ sky2->rx_le = pci_alloc_consistent(hw->pdev, RX_LE_BYTES,
+ &sky2->rx_le_map);
+ if (!sky2->rx_le)
+ goto nomem;
+ memset(sky2->rx_le, 0, RX_LE_BYTES);
+
+ sky2->rx_ring = kcalloc(sky2->rx_pending, sizeof(struct rx_ring_info),
+ GFP_KERNEL);
+ if (!sky2->rx_ring)
+ goto nomem;
+
+ return 0;
+nomem:
+ return -ENOMEM;
+}
+
+static void sky2_free_buffers(struct sky2_port *sky2)
+{
+ struct sky2_hw *hw = sky2->hw;
+
+ if (sky2->rx_le) {
+ pci_free_consistent(hw->pdev, RX_LE_BYTES,
+ sky2->rx_le, sky2->rx_le_map);
+ sky2->rx_le = NULL;
+ }
+ if (sky2->tx_le) {
+ pci_free_consistent(hw->pdev,
+ sky2->tx_ring_size * sizeof(struct sky2_tx_le),
+ sky2->tx_le, sky2->tx_le_map);
+ sky2->tx_le = NULL;
+ }
+ kfree(sky2->tx_ring);
+ kfree(sky2->rx_ring);
+
+ sky2->tx_ring = NULL;
+ sky2->rx_ring = NULL;
+}
+
/* Bring up network interface. */
static int sky2_up(struct net_device *dev)
{
@@ -1403,7 +1465,7 @@ static int sky2_up(struct net_device *dev)
struct sky2_hw *hw = sky2->hw;
unsigned port = sky2->port;
u32 imask, ramsize;
- int cap, err = -ENOMEM;
+ int cap, err;
struct net_device *otherdev = hw->dev[sky2->port^1];
/*
@@ -1422,32 +1484,12 @@ static int sky2_up(struct net_device *dev)
netif_carrier_off(dev);
- /* must be power of 2 */
- sky2->tx_le = pci_alloc_consistent(hw->pdev,
- TX_RING_SIZE *
- sizeof(struct sky2_tx_le),
- &sky2->tx_le_map);
- if (!sky2->tx_le)
- goto err_out;
-
- sky2->tx_ring = kcalloc(TX_RING_SIZE, sizeof(struct tx_ring_info),
- GFP_KERNEL);
- if (!sky2->tx_ring)
+ err = sky2_alloc_buffers(sky2);
+ if (err)
goto err_out;
tx_init(sky2);
- sky2->rx_le = pci_alloc_consistent(hw->pdev, RX_LE_BYTES,
- &sky2->rx_le_map);
- if (!sky2->rx_le)
- goto err_out;
- memset(sky2->rx_le, 0, RX_LE_BYTES);
-
- sky2->rx_ring = kcalloc(sky2->rx_pending, sizeof(struct rx_ring_info),
- GFP_KERNEL);
- if (!sky2->rx_ring)
- goto err_out;
-
sky2_mac_init(hw, port);
/* Register is number of 4K blocks on internal RAM buffer. */
@@ -1482,14 +1524,12 @@ static int sky2_up(struct net_device *dev)
sky2_write16(hw, Q_ADDR(txqaddr[port], Q_AL), ECU_TXFF_LEV);
sky2_prefetch_init(hw, txqaddr[port], sky2->tx_le_map,
- TX_RING_SIZE - 1);
+ sky2->tx_ring_size - 1);
#ifdef SKY2_VLAN_TAG_USED
sky2_set_vlan_mode(hw, port, sky2->vlgrp != NULL);
#endif
- sky2->restarting = 0;
-
err = sky2_rx_start(sky2);
if (err)
goto err_out;
@@ -1500,47 +1540,26 @@ static int sky2_up(struct net_device *dev)
sky2_write32(hw, B0_IMSK, imask);
sky2_read32(hw, B0_IMSK);
- sky2_set_multicast(dev);
-
- /* wake queue incase we are restarting */
- netif_wake_queue(dev);
-
if (netif_msg_ifup(sky2))
printk(KERN_INFO PFX "%s: enabling interface\n", dev->name);
+
return 0;
err_out:
- if (sky2->rx_le) {
- pci_free_consistent(hw->pdev, RX_LE_BYTES,
- sky2->rx_le, sky2->rx_le_map);
- sky2->rx_le = NULL;
- }
- if (sky2->tx_le) {
- pci_free_consistent(hw->pdev,
- TX_RING_SIZE * sizeof(struct sky2_tx_le),
- sky2->tx_le, sky2->tx_le_map);
- sky2->tx_le = NULL;
- }
- kfree(sky2->tx_ring);
- kfree(sky2->rx_ring);
-
- sky2->tx_ring = NULL;
- sky2->rx_ring = NULL;
+ sky2_free_buffers(sky2);
return err;
}
/* Modular subtraction in ring */
-static inline int tx_dist(unsigned tail, unsigned head)
+static inline int tx_inuse(const struct sky2_port *sky2)
{
- return (head - tail) & (TX_RING_SIZE - 1);
+ return (sky2->tx_prod - sky2->tx_cons) & (sky2->tx_ring_size - 1);
}
/* Number of list elements available for next tx */
static inline int tx_avail(const struct sky2_port *sky2)
{
- if (unlikely(sky2->restarting))
- return 0;
- return sky2->tx_pending - tx_dist(sky2->tx_cons, sky2->tx_prod);
+ return sky2->tx_pending - tx_inuse(sky2);
}
/* Estimate of number of transmit list elements required */
@@ -1560,20 +1579,36 @@ static unsigned tx_le_req(const struct sk_buff *skb)
return count;
}
+static void sky2_tx_unmap(struct pci_dev *pdev,
+ const struct tx_ring_info *re)
+{
+ if (re->flags & TX_MAP_SINGLE)
+ pci_unmap_single(pdev, pci_unmap_addr(re, mapaddr),
+ pci_unmap_len(re, maplen),
+ PCI_DMA_TODEVICE);
+ else if (re->flags & TX_MAP_PAGE)
+ pci_unmap_page(pdev, pci_unmap_addr(re, mapaddr),
+ pci_unmap_len(re, maplen),
+ PCI_DMA_TODEVICE);
+}
+
/*
* Put one packet in ring for transmit.
* A single packet can generate multiple list elements, and
* the number of ring elements will probably be less than the number
* of list elements used.
*/
-static int sky2_xmit_frame(struct sk_buff *skb, struct net_device *dev)
+static netdev_tx_t sky2_xmit_frame(struct sk_buff *skb,
+ struct net_device *dev)
{
struct sky2_port *sky2 = netdev_priv(dev);
struct sky2_hw *hw = sky2->hw;
struct sky2_tx_le *le = NULL;
struct tx_ring_info *re;
- unsigned i, len, first_slot;
+ unsigned i, len;
dma_addr_t mapping;
+ u32 upper;
+ u16 slot;
u16 mss;
u8 ctrl;
@@ -1586,15 +1621,17 @@ static int sky2_xmit_frame(struct sk_buff *skb, struct net_device *dev)
if (pci_dma_mapping_error(hw->pdev, mapping))
goto mapping_error;
- first_slot = sky2->tx_prod;
+ slot = sky2->tx_prod;
if (unlikely(netif_msg_tx_queued(sky2)))
printk(KERN_DEBUG "%s: tx queued, slot %u, len %d\n",
- dev->name, first_slot, skb->len);
+ dev->name, slot, skb->len);
/* Send high bits if needed */
- if (sizeof(dma_addr_t) > sizeof(u32)) {
- le = get_tx_le(sky2);
- le->addr = cpu_to_le32(upper_32_bits(mapping));
+ upper = upper_32_bits(mapping);
+ if (upper != sky2->tx_last_upper) {
+ le = get_tx_le(sky2, &slot);
+ le->addr = cpu_to_le32(upper);
+ sky2->tx_last_upper = upper;
le->opcode = OP_ADDR64 | HW_OWNER;
}
@@ -1606,7 +1643,7 @@ static int sky2_xmit_frame(struct sk_buff *skb, struct net_device *dev)
mss += ETH_HLEN + ip_hdrlen(skb) + tcp_hdrlen(skb);
if (mss != sky2->tx_last_mss) {
- le = get_tx_le(sky2);
+ le = get_tx_le(sky2, &slot);
le->addr = cpu_to_le32(mss);
if (hw->flags & SKY2_HW_NEW_LE)
@@ -1622,7 +1659,7 @@ static int sky2_xmit_frame(struct sk_buff *skb, struct net_device *dev)
/* Add VLAN tag, can piggyback on LRGLEN or ADDR64 */
if (sky2->vlgrp && vlan_tx_tag_present(skb)) {
if (!le) {
- le = get_tx_le(sky2);
+ le = get_tx_le(sky2, &slot);
le->addr = 0;
le->opcode = OP_VLAN|HW_OWNER;
} else
@@ -1651,7 +1688,7 @@ static int sky2_xmit_frame(struct sk_buff *skb, struct net_device *dev)
if (tcpsum != sky2->tx_tcpsum) {
sky2->tx_tcpsum = tcpsum;
- le = get_tx_le(sky2);
+ le = get_tx_le(sky2, &slot);
le->addr = cpu_to_le32(tcpsum);
le->length = 0; /* initial checksum value */
le->ctrl = 1; /* one packet */
@@ -1660,16 +1697,17 @@ static int sky2_xmit_frame(struct sk_buff *skb, struct net_device *dev)
}
}
- le = get_tx_le(sky2);
- le->addr = cpu_to_le32((u32) mapping);
+ re = sky2->tx_ring + slot;
+ re->flags = TX_MAP_SINGLE;
+ pci_unmap_addr_set(re, mapaddr, mapping);
+ pci_unmap_len_set(re, maplen, len);
+
+ le = get_tx_le(sky2, &slot);
+ le->addr = cpu_to_le32(lower_32_bits(mapping));
le->length = cpu_to_le16(len);
le->ctrl = ctrl;
le->opcode = mss ? (OP_LARGESEND | HW_OWNER) : (OP_PACKET | HW_OWNER);
- re = tx_le_re(sky2, le);
- re->skb = skb;
- pci_unmap_addr_set(re, mapaddr, mapping);
- pci_unmap_len_set(re, maplen, len);
for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
const skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
@@ -1680,27 +1718,31 @@ static int sky2_xmit_frame(struct sk_buff *skb, struct net_device *dev)
if (pci_dma_mapping_error(hw->pdev, mapping))
goto mapping_unwind;
- if (sizeof(dma_addr_t) > sizeof(u32)) {
- le = get_tx_le(sky2);
- le->addr = cpu_to_le32(upper_32_bits(mapping));
- le->ctrl = 0;
+ upper = upper_32_bits(mapping);
+ if (upper != sky2->tx_last_upper) {
+ le = get_tx_le(sky2, &slot);
+ le->addr = cpu_to_le32(upper);
+ sky2->tx_last_upper = upper;
le->opcode = OP_ADDR64 | HW_OWNER;
}
- le = get_tx_le(sky2);
- le->addr = cpu_to_le32((u32) mapping);
+ re = sky2->tx_ring + slot;
+ re->flags = TX_MAP_PAGE;
+ pci_unmap_addr_set(re, mapaddr, mapping);
+ pci_unmap_len_set(re, maplen, frag->size);
+
+ le = get_tx_le(sky2, &slot);
+ le->addr = cpu_to_le32(lower_32_bits(mapping));
le->length = cpu_to_le16(frag->size);
le->ctrl = ctrl;
le->opcode = OP_BUFFER | HW_OWNER;
-
- re = tx_le_re(sky2, le);
- re->skb = skb;
- pci_unmap_addr_set(re, mapaddr, mapping);
- pci_unmap_len_set(re, maplen, frag->size);
}
+ re->skb = skb;
le->ctrl |= EOP;
+ sky2->tx_prod = slot;
+
if (tx_avail(sky2) <= MAX_SKB_TX_LE)
netif_stop_queue(dev);
@@ -1709,27 +1751,12 @@ static int sky2_xmit_frame(struct sk_buff *skb, struct net_device *dev)
return NETDEV_TX_OK;
mapping_unwind:
- for (i = first_slot; i != sky2->tx_prod; i = RING_NEXT(i, TX_RING_SIZE)) {
- le = sky2->tx_le + i;
+ for (i = sky2->tx_prod; i != slot; i = RING_NEXT(i, sky2->tx_ring_size)) {
re = sky2->tx_ring + i;
- switch(le->opcode & ~HW_OWNER) {
- case OP_LARGESEND:
- case OP_PACKET:
- pci_unmap_single(hw->pdev,
- pci_unmap_addr(re, mapaddr),
- pci_unmap_len(re, maplen),
- PCI_DMA_TODEVICE);
- break;
- case OP_BUFFER:
- pci_unmap_page(hw->pdev, pci_unmap_addr(re, mapaddr),
- pci_unmap_len(re, maplen),
- PCI_DMA_TODEVICE);
- break;
- }
+ sky2_tx_unmap(hw->pdev, re);
}
- sky2->tx_prod = first_slot;
mapping_error:
if (net_ratelimit())
dev_warn(&hw->pdev->dev, "%s: tx mapping error\n", dev->name);
@@ -1740,40 +1767,28 @@ mapping_error:
/*
* Free ring elements from starting at tx_cons until "done"
*
- * NB: the hardware will tell us about partial completion of multi-part
+ * NB:
+ * 1. The hardware will tell us about partial completion of multi-part
* buffers so make sure not to free skb to early.
+ * 2. This may run in parallel start_xmit because the it only
+ * looks at the tail of the queue of FIFO (tx_cons), not
+ * the head (tx_prod)
*/
static void sky2_tx_complete(struct sky2_port *sky2, u16 done)
{
struct net_device *dev = sky2->netdev;
- struct pci_dev *pdev = sky2->hw->pdev;
unsigned idx;
- BUG_ON(done >= TX_RING_SIZE);
+ BUG_ON(done >= sky2->tx_ring_size);
for (idx = sky2->tx_cons; idx != done;
- idx = RING_NEXT(idx, TX_RING_SIZE)) {
- struct sky2_tx_le *le = sky2->tx_le + idx;
+ idx = RING_NEXT(idx, sky2->tx_ring_size)) {
struct tx_ring_info *re = sky2->tx_ring + idx;
+ struct sk_buff *skb = re->skb;
- switch(le->opcode & ~HW_OWNER) {
- case OP_LARGESEND:
- case OP_PACKET:
- pci_unmap_single(pdev,
- pci_unmap_addr(re, mapaddr),
- pci_unmap_len(re, maplen),
- PCI_DMA_TODEVICE);
- break;
- case OP_BUFFER:
- pci_unmap_page(pdev, pci_unmap_addr(re, mapaddr),
- pci_unmap_len(re, maplen),
- PCI_DMA_TODEVICE);
- break;
- }
-
- if (le->ctrl & EOP) {
- struct sk_buff *skb = re->skb;
+ sky2_tx_unmap(sky2->hw->pdev, re);
+ if (skb) {
if (unlikely(netif_msg_tx_done(sky2)))
printk(KERN_DEBUG "%s: tx done %u\n",
dev->name, idx);
@@ -1781,14 +1796,9 @@ static void sky2_tx_complete(struct sky2_port *sky2, u16 done)
dev->stats.tx_packets++;
dev->stats.tx_bytes += skb->len;
- if (skb_queue_len(&sky2->rx_recycle) < sky2->rx_pending
- && skb_recycle_check(skb, sky2->rx_data_size
- + sky2_rx_pad(sky2->hw)))
- __skb_queue_head(&sky2->rx_recycle, skb);
- else
- dev_kfree_skb_any(skb);
+ dev_kfree_skb_any(skb);
- sky2->tx_next = RING_NEXT(idx, TX_RING_SIZE);
+ sky2->tx_next = RING_NEXT(idx, sky2->tx_ring_size);
}
}
@@ -1799,14 +1809,26 @@ static void sky2_tx_complete(struct sky2_port *sky2, u16 done)
netif_wake_queue(dev);
}
-/* Cleanup all untransmitted buffers, assume transmitter not running */
-static void sky2_tx_clean(struct net_device *dev)
+static void sky2_tx_reset(struct sky2_hw *hw, unsigned port)
{
- struct sky2_port *sky2 = netdev_priv(dev);
+ /* Disable Force Sync bit and Enable Alloc bit */
+ sky2_write8(hw, SK_REG(port, TXA_CTRL),
+ TXA_DIS_FSYNC | TXA_DIS_ALLOC | TXA_STOP_RC);
- netif_tx_lock_bh(dev);
- sky2_tx_complete(sky2, sky2->tx_prod);
- netif_tx_unlock_bh(dev);
+ /* Stop Interval Timer and Limit Counter of Tx Arbiter */
+ sky2_write32(hw, SK_REG(port, TXA_ITI_INI), 0L);
+ sky2_write32(hw, SK_REG(port, TXA_LIM_INI), 0L);
+
+ /* Reset the PCI FIFO of the async Tx queue */
+ sky2_write32(hw, Q_ADDR(txqaddr[port], Q_CSR),
+ BMU_RST_SET | BMU_FIFO_RST);
+
+ /* Reset the Tx prefetch units */
+ sky2_write32(hw, Y2_QADDR(txqaddr[port], PREF_UNIT_CTRL),
+ PREF_UNIT_RST_SET);
+
+ sky2_write32(hw, RB_ADDR(txqaddr[port], RB_CTRL), RB_RST_SET);
+ sky2_write8(hw, SK_REG(port, TX_GMF_CTRL_T), GMF_RST_SET);
}
/* Network shutdown */
@@ -1825,10 +1847,6 @@ static int sky2_down(struct net_device *dev)
if (netif_msg_ifdown(sky2))
printk(KERN_INFO PFX "%s: disabling interface\n", dev->name);
- /* explicitly shut off tx incase we're restarting */
- sky2->restarting = 1;
- netif_tx_disable(dev);
-
/* Force flow control off */
sky2_write8(hw, SK_REG(port, GMAC_CTRL), GMC_PAUSE_OFF);
@@ -1850,26 +1868,7 @@ static int sky2_down(struct net_device *dev)
&& port == 0 && hw->dev[1] && netif_running(hw->dev[1])))
sky2_write8(hw, SK_REG(port, GMAC_CTRL), GMC_RST_SET);
- /* Disable Force Sync bit and Enable Alloc bit */
- sky2_write8(hw, SK_REG(port, TXA_CTRL),
- TXA_DIS_FSYNC | TXA_DIS_ALLOC | TXA_STOP_RC);
-
- /* Stop Interval Timer and Limit Counter of Tx Arbiter */
- sky2_write32(hw, SK_REG(port, TXA_ITI_INI), 0L);
- sky2_write32(hw, SK_REG(port, TXA_LIM_INI), 0L);
-
- /* Reset the PCI FIFO of the async Tx queue */
- sky2_write32(hw, Q_ADDR(txqaddr[port], Q_CSR),
- BMU_RST_SET | BMU_FIFO_RST);
-
- /* Reset the Tx prefetch units */
- sky2_write32(hw, Y2_QADDR(txqaddr[port], PREF_UNIT_CTRL),
- PREF_UNIT_RST_SET);
-
- sky2_write32(hw, RB_ADDR(txqaddr[port], RB_CTRL), RB_RST_SET);
-
sky2_write8(hw, SK_REG(port, RX_GMF_CTRL_T), GMF_RST_SET);
- sky2_write8(hw, SK_REG(port, TX_GMF_CTRL_T), GMF_RST_SET);
/* Force any delayed status interrrupt and NAPI */
sky2_write32(hw, STAT_LEV_TIMER_CNT, 0);
@@ -1888,28 +1887,18 @@ static int sky2_down(struct net_device *dev)
synchronize_irq(hw->pdev->irq);
napi_synchronize(&hw->napi);
+ spin_lock_bh(&sky2->phy_lock);
sky2_phy_power_down(hw, port);
+ spin_unlock_bh(&sky2->phy_lock);
- /* turn off LED's */
- sky2_write16(hw, B0_Y2LED, LED_STAT_OFF);
-
- sky2_tx_clean(dev);
- sky2_rx_clean(sky2);
-
- pci_free_consistent(hw->pdev, RX_LE_BYTES,
- sky2->rx_le, sky2->rx_le_map);
- kfree(sky2->rx_ring);
+ sky2_tx_reset(hw, port);
- pci_free_consistent(hw->pdev,
- TX_RING_SIZE * sizeof(struct sky2_tx_le),
- sky2->tx_le, sky2->tx_le_map);
- kfree(sky2->tx_ring);
+ /* Free any pending frames stuck in HW queue */
+ sky2_tx_complete(sky2, sky2->tx_prod);
- sky2->tx_le = NULL;
- sky2->rx_le = NULL;
+ sky2_rx_clean(sky2);
- sky2->rx_ring = NULL;
- sky2->tx_ring = NULL;
+ sky2_free_buffers(sky2);
return 0;
}
@@ -2083,7 +2072,7 @@ static void sky2_phy_intr(struct sky2_hw *hw, unsigned port)
printk(KERN_INFO PFX "%s: phy interrupt status 0x%x 0x%x\n",
sky2->netdev->name, istatus, phystat);
- if (sky2->autoneg == AUTONEG_ENABLE && (istatus & PHY_M_IS_AN_COMPL)) {
+ if (istatus & PHY_M_IS_AN_COMPL) {
if (sky2_autoneg_done(sky2, phystat) == 0)
sky2_link_up(sky2);
goto out;
@@ -2370,11 +2359,8 @@ static inline void sky2_tx_done(struct net_device *dev, u16 last)
{
struct sky2_port *sky2 = netdev_priv(dev);
- if (likely(netif_running(dev) && !sky2->restarting)) {
- netif_tx_lock(dev);
+ if (netif_running(dev))
sky2_tx_complete(sky2, last);
- netif_tx_unlock(dev);
- }
}
static inline void sky2_skb_rx(const struct sky2_port *sky2,
@@ -2452,7 +2438,7 @@ static int sky2_status_intr(struct sky2_hw *hw, int to_do, u16 idx)
/* This chip reports checksum status differently */
if (hw->flags & SKY2_HW_NEW_LE) {
- if (sky2->rx_csum &&
+ if ((sky2->flags & SKY2_FLAG_RX_CHECKSUM) &&
(le->css & (CSS_ISIPV4 | CSS_ISIPV6)) &&
(le->css & CSS_TCPUDPCSOK))
skb->ip_summed = CHECKSUM_UNNECESSARY;
@@ -2479,7 +2465,7 @@ static int sky2_status_intr(struct sky2_hw *hw, int to_do, u16 idx)
/* fall through */
#endif
case OP_RXCHKS:
- if (!sky2->rx_csum)
+ if (!(sky2->flags & SKY2_FLAG_RX_CHECKSUM))
break;
/* If this happens then driver assuming wrong format */
@@ -2504,7 +2490,8 @@ static int sky2_status_intr(struct sky2_hw *hw, int to_do, u16 idx)
printk(KERN_NOTICE PFX "%s: hardware receive "
"checksum problem (status = %#x)\n",
dev->name, status);
- sky2->rx_csum = 0;
+ sky2->flags &= ~SKY2_FLAG_RX_CHECKSUM;
+
sky2_write32(sky2->hw,
Q_ADDR(rxqaddr[port], Q_CSR),
BMU_DIS_RX_CHKSUM);
@@ -2513,7 +2500,6 @@ static int sky2_status_intr(struct sky2_hw *hw, int to_do, u16 idx)
case OP_TXINDEXLE:
/* TX index reports status for both ports */
- BUILD_BUG_ON(TX_RING_SIZE > 0x1000);
sky2_tx_done(hw->dev[0], status & 0xfff);
if (hw->dev[1])
sky2_tx_done(hw->dev[1],
@@ -2657,19 +2643,15 @@ static void sky2_mac_intr(struct sky2_hw *hw, unsigned port)
}
/* This should never happen it is a bug. */
-static void sky2_le_error(struct sky2_hw *hw, unsigned port,
- u16 q, unsigned ring_size)
+static void sky2_le_error(struct sky2_hw *hw, unsigned port, u16 q)
{
struct net_device *dev = hw->dev[port];
- struct sky2_port *sky2 = netdev_priv(dev);
- unsigned idx;
- const u64 *le = (q == Q_R1 || q == Q_R2)
- ? (u64 *) sky2->rx_le : (u64 *) sky2->tx_le;
+ u16 idx = sky2_read16(hw, Y2_QADDR(q, PREF_UNIT_GET_IDX));
- idx = sky2_read16(hw, Y2_QADDR(q, PREF_UNIT_GET_IDX));
- printk(KERN_ERR PFX "%s: descriptor error q=%#x get=%u [%llx] put=%u\n",
- dev->name, (unsigned) q, idx, (unsigned long long) le[idx],
- (unsigned) sky2_read16(hw, Y2_QADDR(q, PREF_UNIT_PUT_IDX)));
+ dev_err(&hw->pdev->dev, PFX
+ "%s: descriptor error q=%#x get=%u put=%u\n",
+ dev->name, (unsigned) q, (unsigned) idx,
+ (unsigned) sky2_read16(hw, Y2_QADDR(q, PREF_UNIT_PUT_IDX)));
sky2_write32(hw, Q_ADDR(q, Q_CSR), BMU_CLR_IRQ_CHK);
}
@@ -2755,16 +2737,16 @@ static void sky2_err_intr(struct sky2_hw *hw, u32 status)
sky2_mac_intr(hw, 1);
if (status & Y2_IS_CHK_RX1)
- sky2_le_error(hw, 0, Q_R1, RX_LE_SIZE);
+ sky2_le_error(hw, 0, Q_R1);
if (status & Y2_IS_CHK_RX2)
- sky2_le_error(hw, 1, Q_R2, RX_LE_SIZE);
+ sky2_le_error(hw, 1, Q_R2);
if (status & Y2_IS_CHK_TXA1)
- sky2_le_error(hw, 0, Q_XA1, TX_RING_SIZE);
+ sky2_le_error(hw, 0, Q_XA1);
if (status & Y2_IS_CHK_TXA2)
- sky2_le_error(hw, 1, Q_XA2, TX_RING_SIZE);
+ sky2_le_error(hw, 1, Q_XA2);
}
static int sky2_poll(struct napi_struct *napi, int work_limit)
@@ -3009,8 +2991,6 @@ static void sky2_reset(struct sky2_hw *hw)
sky2_write8(hw, B2_TI_CTRL, TIM_STOP);
sky2_write8(hw, B2_TI_CTRL, TIM_CLR_IRQ);
- sky2_write8(hw, B0_Y2LED, LED_STAT_ON);
-
/* Turn off descriptor polling */
sky2_write32(hw, B28_DPT_CTRL, DPT_STOP);
@@ -3078,18 +3058,46 @@ static void sky2_reset(struct sky2_hw *hw)
sky2_write8(hw, STAT_ISR_TIMER_CTRL, TIM_START);
}
+/* Take device down (offline).
+ * Equivalent to doing dev_stop() but this does not
+ * inform upper layers of the transistion.
+ */
+static void sky2_detach(struct net_device *dev)
+{
+ if (netif_running(dev)) {
+ netif_device_detach(dev); /* stop txq */
+ sky2_down(dev);
+ }
+}
+
+/* Bring device back after doing sky2_detach */
+static int sky2_reattach(struct net_device *dev)
+{
+ int err = 0;
+
+ if (netif_running(dev)) {
+ err = sky2_up(dev);
+ if (err) {
+ printk(KERN_INFO PFX "%s: could not restart %d\n",
+ dev->name, err);
+ dev_close(dev);
+ } else {
+ netif_device_attach(dev);
+ sky2_set_multicast(dev);
+ }
+ }
+
+ return err;
+}
+
static void sky2_restart(struct work_struct *work)
{
struct sky2_hw *hw = container_of(work, struct sky2_hw, restart_work);
- struct net_device *dev;
- int i, err;
+ int i;
rtnl_lock();
- for (i = 0; i < hw->ports; i++) {
- dev = hw->dev[i];
- if (netif_running(dev))
- sky2_down(dev);
- }
+ for (i = 0; i < hw->ports; i++)
+ sky2_detach(hw->dev[i]);
napi_disable(&hw->napi);
sky2_write32(hw, B0_IMSK, 0);
@@ -3097,17 +3105,8 @@ static void sky2_restart(struct work_struct *work)
sky2_write32(hw, B0_IMSK, Y2_IS_BASE);
napi_enable(&hw->napi);
- for (i = 0; i < hw->ports; i++) {
- dev = hw->dev[i];
- if (netif_running(dev)) {
- err = sky2_up(dev);
- if (err) {
- printk(KERN_INFO PFX "%s: could not restart %d\n",
- dev->name, err);
- dev_close(dev);
- }
- }
- }
+ for (i = 0; i < hw->ports; i++)
+ sky2_reattach(hw->dev[i]);
rtnl_unlock();
}
@@ -3186,7 +3185,8 @@ static int sky2_get_settings(struct net_device *dev, struct ethtool_cmd *ecmd)
}
ecmd->advertising = sky2->advertising;
- ecmd->autoneg = sky2->autoneg;
+ ecmd->autoneg = (sky2->flags & SKY2_FLAG_AUTO_SPEED)
+ ? AUTONEG_ENABLE : AUTONEG_DISABLE;
ecmd->duplex = sky2->duplex;
return 0;
}
@@ -3198,6 +3198,7 @@ static int sky2_set_settings(struct net_device *dev, struct ethtool_cmd *ecmd)
u32 supported = sky2_supported_modes(hw);
if (ecmd->autoneg == AUTONEG_ENABLE) {
+ sky2->flags |= SKY2_FLAG_AUTO_SPEED;
ecmd->advertising = supported;
sky2->duplex = -1;
sky2->speed = -1;
@@ -3239,9 +3240,9 @@ static int sky2_set_settings(struct net_device *dev, struct ethtool_cmd *ecmd)
sky2->speed = ecmd->speed;
sky2->duplex = ecmd->duplex;
+ sky2->flags &= ~SKY2_FLAG_AUTO_SPEED;
}
- sky2->autoneg = ecmd->autoneg;
sky2->advertising = ecmd->advertising;
if (netif_running(dev)) {
@@ -3311,14 +3312,17 @@ static u32 sky2_get_rx_csum(struct net_device *dev)
{
struct sky2_port *sky2 = netdev_priv(dev);
- return sky2->rx_csum;
+ return !!(sky2->flags & SKY2_FLAG_RX_CHECKSUM);
}
static int sky2_set_rx_csum(struct net_device *dev, u32 data)
{
struct sky2_port *sky2 = netdev_priv(dev);
- sky2->rx_csum = data;
+ if (data)
+ sky2->flags |= SKY2_FLAG_RX_CHECKSUM;
+ else
+ sky2->flags &= ~SKY2_FLAG_RX_CHECKSUM;
sky2_write32(sky2->hw, Q_ADDR(rxqaddr[sky2->port], Q_CSR),
data ? BMU_ENA_RX_CHKSUM : BMU_DIS_RX_CHKSUM);
@@ -3336,7 +3340,7 @@ static int sky2_nway_reset(struct net_device *dev)
{
struct sky2_port *sky2 = netdev_priv(dev);
- if (!netif_running(dev) || sky2->autoneg != AUTONEG_ENABLE)
+ if (!netif_running(dev) || !(sky2->flags & SKY2_FLAG_AUTO_SPEED))
return -EINVAL;
sky2_phy_reinit(sky2);
@@ -3576,7 +3580,8 @@ static void sky2_get_pauseparam(struct net_device *dev,
ecmd->tx_pause = ecmd->rx_pause = 1;
}
- ecmd->autoneg = sky2->autoneg;
+ ecmd->autoneg = (sky2->flags & SKY2_FLAG_AUTO_PAUSE)
+ ? AUTONEG_ENABLE : AUTONEG_DISABLE;
}
static int sky2_set_pauseparam(struct net_device *dev,
@@ -3584,7 +3589,11 @@ static int sky2_set_pauseparam(struct net_device *dev,
{
struct sky2_port *sky2 = netdev_priv(dev);
- sky2->autoneg = ecmd->autoneg;
+ if (ecmd->autoneg == AUTONEG_ENABLE)
+ sky2->flags |= SKY2_FLAG_AUTO_PAUSE;
+ else
+ sky2->flags &= ~SKY2_FLAG_AUTO_PAUSE;
+
sky2->flow_mode = sky2_flow(ecmd->rx_pause, ecmd->tx_pause);
if (netif_running(dev))
@@ -3640,7 +3649,7 @@ static int sky2_set_coalesce(struct net_device *dev,
ecmd->rx_coalesce_usecs_irq > tmax)
return -EINVAL;
- if (ecmd->tx_max_coalesced_frames >= TX_RING_SIZE-1)
+ if (ecmd->tx_max_coalesced_frames >= sky2->tx_ring_size-1)
return -EINVAL;
if (ecmd->rx_max_coalesced_frames > RX_MAX_PENDING)
return -EINVAL;
@@ -3684,7 +3693,7 @@ static void sky2_get_ringparam(struct net_device *dev,
ering->rx_max_pending = RX_MAX_PENDING;
ering->rx_mini_max_pending = 0;
ering->rx_jumbo_max_pending = 0;
- ering->tx_max_pending = TX_RING_SIZE - 1;
+ ering->tx_max_pending = TX_MAX_PENDING;
ering->rx_pending = sky2->rx_pending;
ering->rx_mini_pending = 0;
@@ -3696,27 +3705,20 @@ static int sky2_set_ringparam(struct net_device *dev,
struct ethtool_ringparam *ering)
{
struct sky2_port *sky2 = netdev_priv(dev);
- int err = 0;
if (ering->rx_pending > RX_MAX_PENDING ||
ering->rx_pending < 8 ||
- ering->tx_pending < MAX_SKB_TX_LE ||
- ering->tx_pending > TX_RING_SIZE - 1)
+ ering->tx_pending < TX_MIN_PENDING ||
+ ering->tx_pending > TX_MAX_PENDING)
return -EINVAL;
- if (netif_running(dev))
- sky2_down(dev);
+ sky2_detach(dev);
sky2->rx_pending = ering->rx_pending;
sky2->tx_pending = ering->tx_pending;
+ sky2->tx_ring_size = roundup_pow_of_two(sky2->tx_pending+1);
- if (netif_running(dev)) {
- err = sky2_up(dev);
- if (err)
- dev_close(dev);
- }
-
- return err;
+ return sky2_reattach(dev);
}
static int sky2_get_regs_len(struct net_device *dev)
@@ -4084,8 +4086,8 @@ static int sky2_debug_show(struct seq_file *seq, void *v)
/* Dump contents of tx ring */
sop = 1;
- for (idx = sky2->tx_next; idx != sky2->tx_prod && idx < TX_RING_SIZE;
- idx = RING_NEXT(idx, TX_RING_SIZE)) {
+ for (idx = sky2->tx_next; idx != sky2->tx_prod && idx < sky2->tx_ring_size;
+ idx = RING_NEXT(idx, sky2->tx_ring_size)) {
const struct sky2_tx_le *le = sky2->tx_le + idx;
u32 a = le32_to_cpu(le->addr);
@@ -4128,7 +4130,7 @@ static int sky2_debug_show(struct seq_file *seq, void *v)
seq_printf(seq, "\nRx ring hw get=%d put=%d last=%d\n",
sky2_read16(hw, Y2_QADDR(rxqaddr[port], PREF_UNIT_GET_IDX)),
- last = sky2_read16(hw, Y2_QADDR(rxqaddr[port], PREF_UNIT_PUT_IDX)),
+ 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);
@@ -4282,19 +4284,22 @@ static __devinit struct net_device *sky2_init_netdev(struct sky2_hw *hw,
sky2->msg_enable = netif_msg_init(debug, default_msg);
/* Auto speed and flow control */
- sky2->autoneg = AUTONEG_ENABLE;
+ sky2->flags = SKY2_FLAG_AUTO_SPEED | SKY2_FLAG_AUTO_PAUSE;
+ if (hw->chip_id != CHIP_ID_YUKON_XL)
+ sky2->flags |= SKY2_FLAG_RX_CHECKSUM;
+
sky2->flow_mode = FC_BOTH;
sky2->duplex = -1;
sky2->speed = -1;
sky2->advertising = sky2_supported_modes(hw);
- sky2->rx_csum = (hw->chip_id != CHIP_ID_YUKON_XL);
sky2->wol = wol;
spin_lock_init(&sky2->phy_lock);
+
sky2->tx_pending = TX_DEF_PENDING;
+ sky2->tx_ring_size = roundup_pow_of_two(TX_DEF_PENDING+1);
sky2->rx_pending = RX_DEF_PENDING;
- sky2->restarting = 0;
hw->dev[port] = dev;
@@ -4602,7 +4607,6 @@ static void __devexit sky2_remove(struct pci_dev *pdev)
sky2_power_aux(hw);
- sky2_write16(hw, B0_Y2LED, LED_STAT_OFF);
sky2_write8(hw, B0_CTST, CS_RST_SET);
sky2_read8(hw, B0_CTST);
@@ -4634,13 +4638,12 @@ static int sky2_suspend(struct pci_dev *pdev, pm_message_t state)
del_timer_sync(&hw->watchdog_timer);
cancel_work_sync(&hw->restart_work);
+ rtnl_lock();
for (i = 0; i < hw->ports; i++) {
struct net_device *dev = hw->dev[i];
struct sky2_port *sky2 = netdev_priv(dev);
- netif_device_detach(dev);
- if (netif_running(dev))
- sky2_down(dev);
+ sky2_detach(dev);
if (sky2->wol)
sky2_wol_init(sky2);
@@ -4651,6 +4654,7 @@ static int sky2_suspend(struct pci_dev *pdev, pm_message_t state)
sky2_write32(hw, B0_IMSK, 0);
napi_disable(&hw->napi);
sky2_power_aux(hw);
+ rtnl_unlock();
pci_save_state(pdev);
pci_enable_wake(pdev, pci_choose_state(pdev, state), wol);
@@ -4687,25 +4691,18 @@ 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++) {
- struct net_device *dev = hw->dev[i];
-
- netif_device_attach(dev);
- if (netif_running(dev)) {
- err = sky2_up(dev);
- if (err) {
- printk(KERN_ERR PFX "%s: could not up: %d\n",
- dev->name, err);
- rtnl_lock();
- dev_close(dev);
- rtnl_unlock();
- goto out;
- }
- }
+ err = sky2_reattach(hw->dev[i]);
+ if (err)
+ goto out;
}
+ rtnl_unlock();
return 0;
out:
+ rtnl_unlock();
+
dev_err(&pdev->dev, "resume failed (%d)\n", err);
pci_disable_device(pdev);
return err;
@@ -4720,6 +4717,7 @@ static void sky2_shutdown(struct pci_dev *pdev)
if (!hw)
return;
+ rtnl_lock();
del_timer_sync(&hw->watchdog_timer);
for (i = 0; i < hw->ports; i++) {
@@ -4734,6 +4732,7 @@ static void sky2_shutdown(struct pci_dev *pdev)
if (wol)
sky2_power_aux(hw);
+ rtnl_unlock();
pci_enable_wake(pdev, PCI_D3hot, wol);
pci_enable_wake(pdev, PCI_D3cold, wol);