* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
#include <linux/crc32.h>
#include <linux/kernel.h>
#include <linux/module.h>
#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>
#include "sky2.h"
#define DRV_NAME "sky2"
-#define DRV_VERSION "1.26"
-#define PFX DRV_NAME " "
+#define DRV_VERSION "1.28"
/*
* The Yukon II chipset takes 64 bit command blocks (called list elements)
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 =
/* 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 |
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 */
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);
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);
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 */
if (pci_dma_mapping_error(pdev, re->data_addr))
goto mapping_error;
- pci_unmap_len_set(re, data_size, size);
+ dma_unmap_len_set(re, data_size, size);
for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
PCI_DMA_FROMDEVICE);
}
- pci_unmap_single(pdev, re->data_addr, pci_unmap_len(re, data_size),
+ pci_unmap_single(pdev, re->data_addr, dma_unmap_len(re, data_size),
PCI_DMA_FROMDEVICE);
mapping_error:
struct sk_buff *skb = re->skb;
int i;
- pci_unmap_single(pdev, re->data_addr, pci_unmap_len(re, data_size),
+ pci_unmap_single(pdev, re->data_addr, dma_unmap_len(re, data_size),
PCI_DMA_FROMDEVICE);
for (i = 0; i < skb_shinfo(skb)->nr_frags; i++)
? BMU_ENA_RX_CHKSUM : BMU_DIS_RX_CHKSUM);
}
+/* Enable/disable receive hash calculation (RSS) */
+static void rx_set_rss(struct net_device *dev)
+{
+ struct sky2_port *sky2 = netdev_priv(dev);
+ struct sky2_hw *hw = sky2->hw;
+ int i, nkeys = 4;
+
+ /* Supports IPv6 and other modes */
+ if (hw->flags & SKY2_HW_NEW_LE) {
+ nkeys = 10;
+ sky2_write32(hw, SK_REG(sky2->port, RSS_CFG), HASH_ALL);
+ }
+
+ /* Program RSS initial values */
+ if (dev->features & NETIF_F_RXHASH) {
+ u32 key[nkeys];
+
+ get_random_bytes(key, nkeys * sizeof(u32));
+ for (i = 0; i < nkeys; i++)
+ sky2_write32(hw, SK_REG(sky2->port, RSS_KEY + i * 4),
+ key[i]);
+
+ /* Need to turn on (undocumented) flag to make hashing work */
+ sky2_write32(hw, SK_REG(sky2->port, RX_GMF_CTRL_T),
+ RX_STFW_ENA);
+
+ sky2_write32(hw, Q_ADDR(rxqaddr[sky2->port], Q_CSR),
+ BMU_ENA_RX_RSS_HASH);
+ } else
+ sky2_write32(hw, Q_ADDR(rxqaddr[sky2->port], Q_CSR),
+ BMU_DIS_RX_RSS_HASH);
+}
+
/*
* The RX Stop command will not work for Yukon-2 if the BMU does not
* reach the end of packet and since we can't make sure that we have
== sky2_read8(hw, RB_ADDR(rxq, Q_RL)))
goto stopped;
- printk(KERN_WARNING PFX "%s: receiver stop failed\n",
- sky2->netdev->name);
+ netdev_warn(sky2->netdev, "receiver stop failed\n");
stopped:
sky2_write32(hw, Q_ADDR(rxq, Q_CSR), BMU_RST_SET | BMU_FIFO_RST);
sky2_put_idx(sky2->hw, rxq, sky2->rx_put);
}
+static int sky2_alloc_rx_skbs(struct sky2_port *sky2)
+{
+ struct sky2_hw *hw = sky2->hw;
+ unsigned i;
+
+ sky2->rx_data_size = sky2_get_rx_data_size(sky2);
+
+ /* Fill Rx ring */
+ for (i = 0; i < sky2->rx_pending; i++) {
+ struct rx_ring_info *re = sky2->rx_ring + i;
+
+ re->skb = sky2_rx_alloc(sky2);
+ if (!re->skb)
+ return -ENOMEM;
+
+ if (sky2_rx_map_skb(hw->pdev, re, sky2->rx_data_size)) {
+ dev_kfree_skb(re->skb);
+ re->skb = NULL;
+ return -ENOMEM;
+ }
+ }
+ return 0;
+}
+
/*
- * Allocate and setup receiver buffer pool.
+ * Setup receiver buffer pool.
* Normal case this ends up creating one list element for skb
* in the receive ring. Worst case if using large MTU and each
* allocation falls on a different 64 bit region, that results
* One element is used for checksum enable/disable, and one
* extra to avoid wrap.
*/
-static int sky2_rx_start(struct sky2_port *sky2)
+static void sky2_rx_start(struct sky2_port *sky2)
{
struct sky2_hw *hw = sky2->hw;
struct rx_ring_info *re;
/* 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);
if (!(hw->flags & SKY2_HW_NEW_LE))
rx_set_checksum(sky2);
- sky2->rx_data_size = sky2_get_rx_data_size(sky2);
+ if (!(hw->flags & SKY2_HW_RSS_BROKEN))
+ rx_set_rss(sky2->netdev);
- /* Fill Rx ring */
+ /* submit Rx ring */
for (i = 0; i < sky2->rx_pending; i++) {
re = sky2->rx_ring + i;
-
- re->skb = sky2_rx_alloc(sky2);
- if (!re->skb)
- goto nomem;
-
- if (sky2_rx_map_skb(hw->pdev, re, sky2->rx_data_size)) {
- dev_kfree_skb(re->skb);
- re->skb = NULL;
- goto nomem;
- }
-
sky2_rx_submit(sky2, re);
}
sky2_write32(hw, Q_ADDR(txqaddr[sky2->port], Q_TEST),
TBMU_TEST_HOME_ADD_FIX_EN | TBMU_TEST_ROUTING_ADD_FIX_EN);
}
-
-
-
- return 0;
-nomem:
- sky2_rx_clean(sky2);
- return -ENOMEM;
}
static int sky2_alloc_buffers(struct sky2_port *sky2)
if (!sky2->rx_ring)
goto nomem;
- return 0;
+ return sky2_alloc_rx_skbs(sky2);
nomem:
return -ENOMEM;
}
{
struct sky2_hw *hw = sky2->hw;
+ sky2_rx_clean(sky2);
+
if (sky2->rx_le) {
pci_free_consistent(hw->pdev, RX_LE_BYTES,
sky2->rx_le, sky2->rx_le_map);
sky2->rx_ring = NULL;
}
-/* Bring up network interface. */
-static int sky2_up(struct net_device *dev)
+static void sky2_hw_up(struct sky2_port *sky2)
{
- struct sky2_port *sky2 = netdev_priv(dev);
struct sky2_hw *hw = sky2->hw;
unsigned port = sky2->port;
- u32 imask, ramsize;
- int cap, err;
+ u32 ramsize;
+ int cap;
struct net_device *otherdev = hw->dev[sky2->port^1];
+ tx_init(sky2);
+
/*
* On dual port PCI-X card, there is an problem where status
* can be received out of order due to split transactions
cmd = sky2_pci_read16(hw, cap + PCI_X_CMD);
cmd &= ~PCI_X_CMD_MAX_SPLIT;
sky2_pci_write16(hw, cap + PCI_X_CMD, cmd);
-
- }
-
- netif_carrier_off(dev);
-
- err = sky2_alloc_buffers(sky2);
- if (err)
- goto err_out;
-
- tx_init(sky2);
+ }
sky2_mac_init(hw, port);
if (ramsize > 0) {
u32 rxspace;
- pr_debug(PFX "%s: ram buffer %dK\n", dev->name, ramsize);
+ netdev_dbg(sky2->netdev, "ram buffer %dK\n", ramsize);
if (ramsize < 16)
rxspace = ramsize / 2;
else
sky2_set_vlan_mode(hw, port, sky2->vlgrp != NULL);
#endif
- err = sky2_rx_start(sky2);
+ sky2_rx_start(sky2);
+}
+
+/* Bring up network interface. */
+static int sky2_up(struct net_device *dev)
+{
+ struct sky2_port *sky2 = netdev_priv(dev);
+ struct sky2_hw *hw = sky2->hw;
+ unsigned port = sky2->port;
+ u32 imask;
+ int err;
+
+ netif_carrier_off(dev);
+
+ err = sky2_alloc_buffers(sky2);
if (err)
goto err_out;
+ sky2_hw_up(sky2);
+
/* Enable interrupts from phy/mac for port */
imask = sky2_read32(hw, B0_IMSK);
imask |= portirq_msk[port];
sky2_write32(hw, B0_IMSK, imask);
sky2_read32(hw, B0_IMSK);
- if (netif_msg_ifup(sky2))
- printk(KERN_INFO PFX "%s: enabling interface\n", dev->name);
+ netif_info(sky2, ifup, dev, "enabling interface\n");
return 0;
static void sky2_tx_unmap(struct pci_dev *pdev, 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_unmap_single(pdev, dma_unmap_addr(re, mapaddr),
+ dma_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_unmap_page(pdev, dma_unmap_addr(re, mapaddr),
+ dma_unmap_len(re, maplen),
PCI_DMA_TODEVICE);
re->flags = 0;
}
goto mapping_error;
slot = sky2->tx_prod;
- if (unlikely(netif_msg_tx_queued(sky2)))
- printk(KERN_DEBUG "%s: tx queued, slot %u, len %d\n",
- dev->name, slot, skb->len);
+ netif_printk(sky2, tx_queued, KERN_DEBUG, dev,
+ "tx queued, slot %u, len %d\n", slot, skb->len);
/* Send high bits if needed */
upper = upper_32_bits(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);
+ dma_unmap_addr_set(re, mapaddr, mapping);
+ dma_unmap_len_set(re, maplen, len);
le = get_tx_le(sky2, &slot);
le->addr = cpu_to_le32(lower_32_bits(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);
+ dma_unmap_addr_set(re, mapaddr, mapping);
+ dma_unmap_len_set(re, maplen, frag->size);
le = get_tx_le(sky2, &slot);
le->addr = cpu_to_le32(lower_32_bits(mapping));
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);
+ netif_printk(sky2, tx_done, KERN_DEBUG, dev,
+ "tx done %u\n", idx);
dev->stats.tx_packets++;
dev->stats.tx_bytes += skb->len;
sky2->tx_cons = idx;
smp_mb();
-
- /* Wake unless it's detached, and called e.g. from sky2_down() */
- if (tx_avail(sky2) > MAX_SKB_TX_LE + 4 && netif_device_present(dev))
- netif_wake_queue(dev);
}
static void sky2_tx_reset(struct sky2_hw *hw, unsigned port)
sky2_write8(hw, SK_REG(port, TX_GMF_CTRL_T), GMF_RST_SET);
}
-/* Network shutdown */
-static int sky2_down(struct net_device *dev)
+static void sky2_hw_down(struct sky2_port *sky2)
{
- struct sky2_port *sky2 = netdev_priv(dev);
struct sky2_hw *hw = sky2->hw;
unsigned port = sky2->port;
u16 ctrl;
- u32 imask;
-
- /* Never really got started! */
- if (!sky2->tx_le)
- return 0;
-
- if (netif_msg_ifdown(sky2))
- printk(KERN_INFO PFX "%s: disabling interface\n", dev->name);
/* Force flow control off */
sky2_write8(hw, SK_REG(port, GMAC_CTRL), GMC_PAUSE_OFF);
sky2_rx_stop(sky2);
- /* Disable port IRQ */
- imask = sky2_read32(hw, B0_IMSK);
- imask &= ~portirq_msk[port];
- sky2_write32(hw, B0_IMSK, imask);
- sky2_read32(hw, B0_IMSK);
-
- 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);
/* Free any pending frames stuck in HW queue */
sky2_tx_complete(sky2, sky2->tx_prod);
+}
- sky2_rx_clean(sky2);
+/* Network shutdown */
+static int sky2_down(struct net_device *dev)
+{
+ struct sky2_port *sky2 = netdev_priv(dev);
+ struct sky2_hw *hw = sky2->hw;
+
+ /* Never really got started! */
+ if (!sky2->tx_le)
+ return 0;
+
+ netif_info(sky2, ifdown, dev, "disabling interface\n");
+
+ /* Disable port IRQ */
+ sky2_write32(hw, B0_IMSK,
+ sky2_read32(hw, B0_IMSK) & ~portirq_msk[sky2->port]);
+ sky2_read32(hw, B0_IMSK);
+
+ synchronize_irq(hw->pdev->irq);
+ napi_synchronize(&hw->napi);
+
+ sky2_hw_down(sky2);
sky2_free_buffers(sky2);
sky2_write8(hw, SK_REG(port, LNK_LED_REG),
LINKLED_ON | LINKLED_BLINK_OFF | LINKLED_LINKSYNC_OFF);
- if (netif_msg_link(sky2))
- printk(KERN_INFO PFX
- "%s: Link is up at %d Mbps, %s duplex, flow control %s\n",
- sky2->netdev->name, sky2->speed,
- sky2->duplex == DUPLEX_FULL ? "full" : "half",
- fc_name[sky2->flow_status]);
+ netif_info(sky2, link, sky2->netdev,
+ "Link is up at %d Mbps, %s duplex, flow control %s\n",
+ sky2->speed,
+ sky2->duplex == DUPLEX_FULL ? "full" : "half",
+ fc_name[sky2->flow_status]);
}
static void sky2_link_down(struct sky2_port *sky2)
/* Turn off link LED */
sky2_write8(hw, SK_REG(port, LNK_LED_REG), LINKLED_OFF);
- if (netif_msg_link(sky2))
- printk(KERN_INFO PFX "%s: Link is down.\n", sky2->netdev->name);
+ netif_info(sky2, link, sky2->netdev, "Link is down\n");
sky2_phy_init(hw, port);
}
advert = gm_phy_read(hw, port, PHY_MARV_AUNE_ADV);
lpa = gm_phy_read(hw, port, PHY_MARV_AUNE_LP);
if (lpa & PHY_M_AN_RF) {
- printk(KERN_ERR PFX "%s: remote fault", sky2->netdev->name);
+ netdev_err(sky2->netdev, "remote fault\n");
return -1;
}
if (!(aux & PHY_M_PS_SPDUP_RES)) {
- printk(KERN_ERR PFX "%s: speed/duplex mismatch",
- sky2->netdev->name);
+ netdev_err(sky2->netdev, "speed/duplex mismatch\n");
return -1;
}
istatus = gm_phy_read(hw, port, PHY_MARV_INT_STAT);
phystat = gm_phy_read(hw, port, PHY_MARV_PHY_STAT);
- if (netif_msg_intr(sky2))
- printk(KERN_INFO PFX "%s: phy interrupt status 0x%x 0x%x\n",
- sky2->netdev->name, istatus, phystat);
+ netif_info(sky2, intr, sky2->netdev, "phy interrupt status 0x%x 0x%x\n",
+ 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;
}
struct sky2_port *sky2 = netdev_priv(dev);
struct sky2_hw *hw = sky2->hw;
- if (netif_msg_timer(sky2))
- printk(KERN_ERR PFX "%s: tx timeout\n", dev->name);
+ netif_err(sky2, timer, dev, "tx timeout\n");
- printk(KERN_DEBUG PFX "%s: transmit ring %u .. %u report=%u done=%u\n",
- dev->name, sky2->tx_cons, sky2->tx_prod,
- sky2_read16(hw, sky2->port == 0 ? STAT_TXA1_RIDX : STAT_TXA2_RIDX),
- sky2_read16(hw, Q_ADDR(txqaddr[sky2->port], Q_DONE)));
+ netdev_printk(KERN_DEBUG, dev, "transmit ring %u .. %u report=%u done=%u\n",
+ sky2->tx_cons, sky2->tx_prod,
+ sky2_read16(hw, sky2->port == 0 ? STAT_TXA1_RIDX : STAT_TXA2_RIDX),
+ sky2_read16(hw, Q_ADDR(txqaddr[sky2->port], Q_DONE)));
/* can't restart safely under softirq */
schedule_work(&hw->restart_work);
sky2_write32(hw, B0_IMSK, 0);
dev->trans_start = jiffies; /* prevent tx timeout */
- netif_stop_queue(dev);
napi_disable(&hw->napi);
+ netif_tx_disable(dev);
synchronize_irq(hw->pdev->irq);
sky2_write8(hw, RB_ADDR(rxqaddr[port], RB_CTRL), RB_ENA_OP_MD);
- err = sky2_rx_start(sky2);
+ err = sky2_alloc_rx_skbs(sky2);
+ if (!err)
+ sky2_rx_start(sky2);
+ else
+ sky2_rx_clean(sky2);
sky2_write32(hw, B0_IMSK, imask);
sky2_read32(hw, B0_Y2_SP_LISR);
count -= VLAN_HLEN;
#endif
- if (unlikely(netif_msg_rx_status(sky2)))
- printk(KERN_DEBUG PFX "%s: rx slot %u status 0x%x len %d\n",
- dev->name, sky2->rx_next, status, length);
+ netif_printk(sky2, rx_status, KERN_DEBUG, dev,
+ "rx slot %u status 0x%x len %d\n",
+ sky2->rx_next, status, length);
sky2->rx_next = (sky2->rx_next + 1) % sky2->rx_pending;
prefetch(sky2->rx_ring + sky2->rx_next);
/* Truncation of overlength packets
causes PHY length to not match MAC length */
++dev->stats.rx_length_errors;
- if (netif_msg_rx_err(sky2) && net_ratelimit())
- pr_info(PFX "%s: rx length error: status %#x length %d\n",
- dev->name, status, length);
+ if (net_ratelimit())
+ netif_info(sky2, rx_err, dev,
+ "rx length error: status %#x length %d\n",
+ status, length);
goto resubmit;
error:
goto resubmit;
}
- if (netif_msg_rx_err(sky2) && net_ratelimit())
- printk(KERN_INFO PFX "%s: rx error, status 0x%x length %d\n",
- dev->name, status, length);
+ if (net_ratelimit())
+ netif_info(sky2, rx_err, dev,
+ "rx error, status 0x%x length %d\n", status, length);
if (status & (GMR_FS_LONG_ERR | GMR_FS_UN_SIZE))
dev->stats.rx_length_errors++;
{
struct sky2_port *sky2 = netdev_priv(dev);
- if (netif_running(dev))
+ if (netif_running(dev)) {
sky2_tx_complete(sky2, last);
+
+ /* Wake unless it's detached, and called e.g. from sky2_down() */
+ if (tx_avail(sky2) > MAX_SKB_TX_LE + 4)
+ netif_wake_queue(dev);
+ }
}
static inline void sky2_skb_rx(const struct sky2_port *sky2,
}
}
+static void sky2_rx_hash(struct sky2_port *sky2, u32 status)
+{
+ struct sk_buff *skb;
+
+ skb = sky2->rx_ring[sky2->rx_next].skb;
+ skb->rxhash = le32_to_cpu(status);
+}
+
/* Process status response ring */
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];
sky2_rx_checksum(sky2, status);
break;
+ case OP_RSS_HASH:
+ sky2_rx_hash(sky2, status);
+ break;
+
case OP_TXINDEXLE:
/* TX index reports status for both ports */
sky2_tx_done(hw->dev[0], status & 0xfff);
default:
if (net_ratelimit())
- printk(KERN_WARNING PFX
- "unknown status opcode 0x%x\n", opcode);
+ pr_warning("unknown status opcode 0x%x\n", opcode);
}
} while (hw->st_idx != idx);
struct net_device *dev = hw->dev[port];
if (net_ratelimit())
- printk(KERN_INFO PFX "%s: hw error interrupt status 0x%x\n",
- dev->name, status);
+ netdev_info(dev, "hw error interrupt status 0x%x\n", status);
if (status & Y2_IS_PAR_RD1) {
if (net_ratelimit())
- printk(KERN_ERR PFX "%s: ram data read parity error\n",
- dev->name);
+ netdev_err(dev, "ram data read parity error\n");
/* Clear IRQ */
sky2_write16(hw, RAM_BUFFER(port, B3_RI_CTRL), RI_CLR_RD_PERR);
}
if (status & Y2_IS_PAR_WR1) {
if (net_ratelimit())
- printk(KERN_ERR PFX "%s: ram data write parity error\n",
- dev->name);
+ netdev_err(dev, "ram data write parity error\n");
sky2_write16(hw, RAM_BUFFER(port, B3_RI_CTRL), RI_CLR_WR_PERR);
}
if (status & Y2_IS_PAR_MAC1) {
if (net_ratelimit())
- printk(KERN_ERR PFX "%s: MAC parity error\n", dev->name);
+ netdev_err(dev, "MAC parity error\n");
sky2_write8(hw, SK_REG(port, TX_GMF_CTRL_T), GMF_CLI_TX_PE);
}
if (status & Y2_IS_PAR_RX1) {
if (net_ratelimit())
- printk(KERN_ERR PFX "%s: RX parity error\n", dev->name);
+ netdev_err(dev, "RX parity error\n");
sky2_write32(hw, Q_ADDR(rxqaddr[port], Q_CSR), BMU_CLR_IRQ_PAR);
}
if (status & Y2_IS_TCP_TXA1) {
if (net_ratelimit())
- printk(KERN_ERR PFX "%s: TCP segmentation error\n",
- dev->name);
+ netdev_err(dev, "TCP segmentation error\n");
sky2_write32(hw, Q_ADDR(txqaddr[port], Q_CSR), BMU_CLR_IRQ_TCP);
}
}
struct sky2_port *sky2 = netdev_priv(dev);
u8 status = sky2_read8(hw, SK_REG(port, GMAC_IRQ_SRC));
- if (netif_msg_intr(sky2))
- printk(KERN_INFO PFX "%s: mac interrupt status 0x%x\n",
- dev->name, status);
+ netif_info(sky2, intr, dev, "mac interrupt status 0x%x\n", status);
if (status & GM_IS_RX_CO_OV)
gma_read16(hw, port, GM_RX_IRQ_SRC);
struct net_device *dev = hw->dev[port];
u16 idx = sky2_read16(hw, Y2_QADDR(q, PREF_UNIT_GET_IDX));
- dev_err(&hw->pdev->dev, PFX
- "%s: descriptor error q=%#x get=%u put=%u\n",
+ dev_err(&hw->pdev->dev, "%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)));
/* Check if the PCI RX hang */
(fifo_rp == sky2->check.fifo_rp &&
fifo_lev != 0 && fifo_lev >= sky2->check.fifo_lev))) {
- printk(KERN_DEBUG PFX "%s: hung mac %d:%d fifo %d (%d:%d)\n",
- dev->name, mac_lev, mac_rp, fifo_lev, fifo_rp,
- sky2_read8(hw, Q_ADDR(rxq, Q_WP)));
+ netdev_printk(KERN_DEBUG, dev,
+ "hung mac %d:%d fifo %d (%d:%d)\n",
+ mac_lev, mac_rp, fifo_lev,
+ fifo_rp, sky2_read8(hw, Q_ADDR(rxq, Q_WP)));
return 1;
} else {
sky2->check.last = dev->last_rx;
/* For chips with Rx FIFO, check if stuck */
if ((hw->flags & SKY2_HW_RAM_BUFFER) &&
sky2_rx_hung(dev)) {
- pr_info(PFX "%s: receiver hang detected\n",
- dev->name);
+ netdev_info(dev, "receiver hang detected\n");
schedule_work(&hw->restart_work);
return;
}
switch(hw->chip_id) {
case CHIP_ID_YUKON_XL:
hw->flags = SKY2_HW_GIGABIT | SKY2_HW_NEWER_PHY;
+ if (hw->chip_rev < CHIP_REV_YU_XL_A2)
+ hw->flags |= SKY2_HW_RSS_BROKEN;
break;
case CHIP_ID_YUKON_EC_U:
dev_err(&hw->pdev->dev, "unsupported revision Yukon-EC rev A1\n");
return -EOPNOTSUPP;
}
- hw->flags = SKY2_HW_GIGABIT;
+ hw->flags = SKY2_HW_GIGABIT | SKY2_HW_RSS_BROKEN;
break;
case CHIP_ID_YUKON_FE:
+ hw->flags = SKY2_HW_RSS_BROKEN;
break;
case CHIP_ID_YUKON_FE_P:
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);
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);
if (netif_running(dev)) {
err = sky2_up(dev);
if (err) {
- printk(KERN_INFO PFX "%s: could not restart %d\n",
- dev->name, err);
+ netdev_info(dev, "could not restart %d\n", err);
dev_close(dev);
} else {
netif_device_attach(dev);
return err;
}
+static void sky2_all_down(struct sky2_hw *hw)
+{
+ int i;
+
+ sky2_read32(hw, B0_IMSK);
+ sky2_write32(hw, B0_IMSK, 0);
+ synchronize_irq(hw->pdev->irq);
+ napi_disable(&hw->napi);
+
+ for (i = 0; i < hw->ports; i++) {
+ struct net_device *dev = hw->dev[i];
+ struct sky2_port *sky2 = netdev_priv(dev);
+
+ if (!netif_running(dev))
+ continue;
+
+ netif_carrier_off(dev);
+ netif_tx_disable(dev);
+ sky2_hw_down(sky2);
+ }
+}
+
+static void sky2_all_up(struct sky2_hw *hw)
+{
+ u32 imask = Y2_IS_BASE;
+ int i;
+
+ for (i = 0; i < hw->ports; i++) {
+ struct net_device *dev = hw->dev[i];
+ struct sky2_port *sky2 = netdev_priv(dev);
+
+ if (!netif_running(dev))
+ continue;
+
+ sky2_hw_up(sky2);
+ sky2_set_multicast(dev);
+ imask |= portirq_msk[i];
+ netif_wake_queue(dev);
+ }
+
+ sky2_write32(hw, B0_IMSK, imask);
+ sky2_read32(hw, B0_IMSK);
+
+ sky2_read32(hw, B0_Y2_SP_LISR);
+ napi_enable(&hw->napi);
+}
+
static void sky2_restart(struct work_struct *work)
{
struct sky2_hw *hw = container_of(work, struct sky2_hw, restart_work);
- int i;
rtnl_lock();
- for (i = 0; i < hw->ports; i++)
- sky2_detach(hw->dev[i]);
- napi_disable(&hw->napi);
- sky2_write32(hw, B0_IMSK, 0);
+ sky2_all_down(hw);
sky2_reset(hw);
- sky2_write32(hw, B0_IMSK, Y2_IS_BASE);
- napi_enable(&hw->napi);
-
- for (i = 0; i < hw->ports; i++)
- sky2_reattach(hw->dev[i]);
+ sky2_all_up(hw);
rtnl_unlock();
}
struct sky2_port *sky2 = netdev_priv(dev);
struct sky2_hw *hw = sky2->hw;
unsigned port = sky2->port;
- struct dev_mc_list *list = dev->mc_list;
+ struct netdev_hw_addr *ha;
u16 reg;
u8 filter[8];
int rx_pause;
else if (netdev_mc_empty(dev) && !rx_pause)
reg &= ~GM_RXCR_MCF_ENA;
else {
- int i;
reg |= GM_RXCR_MCF_ENA;
if (rx_pause)
sky2_add_filter(filter, pause_mc_addr);
- for (i = 0; list && i < netdev_mc_count(dev); i++, list = list->next)
- 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,
while ( (sky2_pci_read16(hw, cap + PCI_VPD_ADDR) & PCI_VPD_ADDR_F) == busy) {
/* Can take up to 10.6 ms for write */
if (time_after(jiffies, start + HZ/4)) {
- dev_err(&hw->pdev->dev, PFX "VPD cycle timed out");
+ dev_err(&hw->pdev->dev, "VPD cycle timed out\n");
return -ETIMEDOUT;
}
mdelay(1);
return sky2_vpd_write(sky2->hw, cap, data, eeprom->offset, eeprom->len);
}
+static int sky2_set_flags(struct net_device *dev, u32 data)
+{
+ struct sky2_port *sky2 = netdev_priv(dev);
+
+ if (data & ~ETH_FLAG_RXHASH)
+ return -EOPNOTSUPP;
+
+ if (data & ETH_FLAG_RXHASH) {
+ if (sky2->hw->flags & SKY2_HW_RSS_BROKEN)
+ return -EINVAL;
+
+ dev->features |= NETIF_F_RXHASH;
+ } else
+ dev->features &= ~NETIF_F_RXHASH;
+
+ rx_set_rss(dev);
+
+ return 0;
+}
static const struct ethtool_ops sky2_ethtool_ops = {
.get_settings = sky2_get_settings,
.phys_id = sky2_phys_id,
.get_sset_count = sky2_get_sset_count,
.get_ethtool_stats = sky2_get_ethtool_stats,
+ .set_flags = sky2_set_flags,
};
#ifdef CONFIG_SKY2_DEBUG
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);
case NETDEV_GOING_DOWN:
if (sky2->debugfs) {
- printk(KERN_DEBUG PFX "%s: remove debugfs\n",
- dev->name);
+ netdev_printk(KERN_DEBUG, dev, "remove debugfs\n");
debugfs_remove(sky2->debugfs);
sky2->debugfs = NULL;
}
if (highmem)
dev->features |= NETIF_F_HIGHDMA;
+ /* Enable receive hashing unless hardware is known broken */
+ if (!(hw->flags & SKY2_HW_RSS_BROKEN))
+ dev->features |= NETIF_F_RXHASH;
+
#ifdef SKY2_VLAN_TAG_USED
/* The workaround for FE+ status conflicts with VLAN tag detection. */
if (!(sky2->hw->chip_id == CHIP_ID_YUKON_FE_P &&
{
const struct sky2_port *sky2 = netdev_priv(dev);
- if (netif_msg_probe(sky2))
- printk(KERN_INFO PFX "%s: addr %pM\n",
- dev->name, dev->dev_addr);
+ netif_info(sky2, probe, dev, "addr %pM\n", dev->dev_addr);
}
/* Handle software interrupt used during MSI test */
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(3*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);
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:
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);
cancel_work_sync(&hw->restart_work);
rtnl_lock();
+
+ sky2_all_down(hw);
for (i = 0; i < hw->ports; i++) {
struct net_device *dev = hw->dev[i];
struct sky2_port *sky2 = netdev_priv(dev);
- sky2_detach(dev);
-
if (sky2->wol)
sky2_wol_init(sky2);
device_set_wakeup_enable(&pdev->dev, wol != 0);
- sky2_write32(hw, B0_IMSK, 0);
- napi_disable(&hw->napi);
sky2_power_aux(hw);
rtnl_unlock();
static int sky2_resume(struct pci_dev *pdev)
{
struct sky2_hw *hw = pci_get_drvdata(pdev);
- int i, err;
+ int err;
if (!hw)
return 0;
goto out;
}
- sky2_reset(hw);
- 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)
- goto out;
- }
+ sky2_reset(hw);
+ sky2_all_up(hw);
rtnl_unlock();
return 0;
out:
- rtnl_unlock();
dev_err(&pdev->dev, "resume failed (%d)\n", err);
pci_disable_device(pdev);
static int __init sky2_init_module(void)
{
- pr_info(PFX "driver version " DRV_VERSION "\n");
+ pr_info("driver version " DRV_VERSION "\n");
sky2_debug_init();
return pci_register_driver(&sky2_driver);
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff