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Date: Wed, 28 Oct 2009 02:46:20 -0700
From: Jeff Kirsher <jeffrey.t.kirsher@...el.com>
To: davem@...emloft.net
Cc: netdev@...r.kernel.org, gospo@...hat.com,
Alexander Duyck <alexander.h.duyck@...el.com>,
Jeff Kirsher <jeffrey.t.kirsher@...el.com>
Subject: [net-next-2.6 PATCH 03/23] igb: misc cleanups within igb_ethtool.c
From: Alexander Duyck <alexander.h.duyck@...el.com>
This patch just goes thorugh and does several cleanups on igb_ethtool.c.
Signed-off-by: Alexander Duyck <alexander.h.duyck@...el.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@...el.com>
---
drivers/net/igb/igb_ethtool.c | 105 +++++++++++++++++++++++------------------
1 files changed, 60 insertions(+), 45 deletions(-)
diff --git a/drivers/net/igb/igb_ethtool.c b/drivers/net/igb/igb_ethtool.c
index 84fe25a..d24b902 100644
--- a/drivers/net/igb/igb_ethtool.c
+++ b/drivers/net/igb/igb_ethtool.c
@@ -101,24 +101,25 @@ static const struct igb_stats igb_gstrings_stats[] = {
};
#define IGB_QUEUE_STATS_LEN \
- (((((struct igb_adapter *)netdev_priv(netdev))->num_rx_queues)* \
+ ((((struct igb_adapter *)netdev_priv(netdev))->num_rx_queues * \
(sizeof(struct igb_rx_queue_stats) / sizeof(u64))) + \
- ((((struct igb_adapter *)netdev_priv(netdev))->num_tx_queues) * \
+ (((struct igb_adapter *)netdev_priv(netdev))->num_tx_queues * \
(sizeof(struct igb_tx_queue_stats) / sizeof(u64))))
#define IGB_GLOBAL_STATS_LEN \
- sizeof(igb_gstrings_stats) / sizeof(struct igb_stats)
+ (sizeof(igb_gstrings_stats) / sizeof(struct igb_stats))
#define IGB_STATS_LEN (IGB_GLOBAL_STATS_LEN + IGB_QUEUE_STATS_LEN)
static const char igb_gstrings_test[][ETH_GSTRING_LEN] = {
"Register test (offline)", "Eeprom test (offline)",
"Interrupt test (offline)", "Loopback test (offline)",
"Link test (on/offline)"
};
-#define IGB_TEST_LEN sizeof(igb_gstrings_test) / ETH_GSTRING_LEN
+#define IGB_TEST_LEN (sizeof(igb_gstrings_test) / ETH_GSTRING_LEN)
static int igb_get_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
{
struct igb_adapter *adapter = netdev_priv(netdev);
struct e1000_hw *hw = &adapter->hw;
+ u32 status;
if (hw->phy.media_type == e1000_media_type_copper) {
@@ -153,17 +154,20 @@ static int igb_get_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
ecmd->transceiver = XCVR_INTERNAL;
- if (rd32(E1000_STATUS) & E1000_STATUS_LU) {
+ status = rd32(E1000_STATUS);
- adapter->hw.mac.ops.get_speed_and_duplex(hw,
- &adapter->link_speed,
- &adapter->link_duplex);
- ecmd->speed = adapter->link_speed;
+ if (status & E1000_STATUS_LU) {
- /* unfortunately FULL_DUPLEX != DUPLEX_FULL
- * and HALF_DUPLEX != DUPLEX_HALF */
+ if ((status & E1000_STATUS_SPEED_1000) ||
+ hw->phy.media_type != e1000_media_type_copper)
+ ecmd->speed = SPEED_1000;
+ else if (status & E1000_STATUS_SPEED_100)
+ ecmd->speed = SPEED_100;
+ else
+ ecmd->speed = SPEED_10;
- if (adapter->link_duplex == FULL_DUPLEX)
+ if ((status & E1000_STATUS_FD) ||
+ hw->phy.media_type != e1000_media_type_copper)
ecmd->duplex = DUPLEX_FULL;
else
ecmd->duplex = DUPLEX_HALF;
@@ -254,8 +258,9 @@ static int igb_set_pauseparam(struct net_device *netdev,
if (netif_running(adapter->netdev)) {
igb_down(adapter);
igb_up(adapter);
- } else
+ } else {
igb_reset(adapter);
+ }
} else {
if (pause->rx_pause && pause->tx_pause)
hw->fc.requested_mode = e1000_fc_full;
@@ -308,7 +313,7 @@ static int igb_set_tx_csum(struct net_device *netdev, u32 data)
if (data) {
netdev->features |= (NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM);
- if (adapter->hw.mac.type == e1000_82576)
+ if (adapter->hw.mac.type >= e1000_82576)
netdev->features |= NETIF_F_SCTP_CSUM;
} else {
netdev->features &= ~(NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
@@ -735,12 +740,12 @@ static int igb_set_ringparam(struct net_device *netdev,
if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
return -EINVAL;
- new_rx_count = max(ring->rx_pending, (u32)IGB_MIN_RXD);
- new_rx_count = min(new_rx_count, (u32)IGB_MAX_RXD);
+ new_rx_count = min(ring->rx_pending, (u32)IGB_MAX_RXD);
+ new_rx_count = max(new_rx_count, (u16)IGB_MIN_RXD);
new_rx_count = ALIGN(new_rx_count, REQ_RX_DESCRIPTOR_MULTIPLE);
- new_tx_count = max(ring->tx_pending, (u32)IGB_MIN_TXD);
- new_tx_count = min(new_tx_count, (u32)IGB_MAX_TXD);
+ new_tx_count = min(ring->tx_pending, (u32)IGB_MAX_TXD);
+ new_tx_count = max(new_tx_count, (u16)IGB_MIN_TXD);
new_tx_count = ALIGN(new_tx_count, REQ_TX_DESCRIPTOR_MULTIPLE);
if ((new_tx_count == adapter->tx_ring_count) &&
@@ -941,7 +946,7 @@ static bool reg_pattern_test(struct igb_adapter *adapter, u64 *data,
{
struct e1000_hw *hw = &adapter->hw;
u32 pat, val;
- u32 _test[] =
+ static const u32 _test[] =
{0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF};
for (pat = 0; pat < ARRAY_SIZE(_test); pat++) {
wr32(reg, (_test[pat] & write));
@@ -954,6 +959,7 @@ static bool reg_pattern_test(struct igb_adapter *adapter, u64 *data,
return 1;
}
}
+
return 0;
}
@@ -971,6 +977,7 @@ static bool reg_set_and_check(struct igb_adapter *adapter, u64 *data,
*data = reg;
return 1;
}
+
return 0;
}
@@ -993,14 +1000,14 @@ static int igb_reg_test(struct igb_adapter *adapter, u64 *data)
u32 value, before, after;
u32 i, toggle;
- toggle = 0x7FFFF3FF;
-
switch (adapter->hw.mac.type) {
case e1000_82576:
test = reg_test_82576;
+ toggle = 0x7FFFF3FF;
break;
default:
test = reg_test_82575;
+ toggle = 0x7FFFF3FF;
break;
}
@@ -1078,8 +1085,7 @@ static int igb_eeprom_test(struct igb_adapter *adapter, u64 *data)
*data = 0;
/* Read and add up the contents of the EEPROM */
for (i = 0; i < (NVM_CHECKSUM_REG + 1); i++) {
- if ((adapter->hw.nvm.ops.read(&adapter->hw, i, 1, &temp))
- < 0) {
+ if ((adapter->hw.nvm.ops.read(&adapter->hw, i, 1, &temp)) < 0) {
*data = 1;
break;
}
@@ -1095,8 +1101,7 @@ static int igb_eeprom_test(struct igb_adapter *adapter, u64 *data)
static irqreturn_t igb_test_intr(int irq, void *data)
{
- struct net_device *netdev = (struct net_device *) data;
- struct igb_adapter *adapter = netdev_priv(netdev);
+ struct igb_adapter *adapter = (struct igb_adapter *) data;
struct e1000_hw *hw = &adapter->hw;
adapter->test_icr |= rd32(E1000_ICR);
@@ -1120,7 +1125,6 @@ static int igb_intr_test(struct igb_adapter *adapter, u64 *data)
*data = 1;
return -1;
}
-
} else if (adapter->flags & IGB_FLAG_HAS_MSI) {
shared_int = false;
if (request_irq(irq,
@@ -1138,6 +1142,7 @@ static int igb_intr_test(struct igb_adapter *adapter, u64 *data)
}
dev_info(&adapter->pdev->dev, "testing %s interrupt\n",
(shared_int ? "shared" : "unshared"));
+
/* Disable all the interrupts */
wr32(E1000_IMC, ~0);
msleep(10);
@@ -1363,7 +1368,10 @@ static int igb_setup_loopback_test(struct igb_adapter *adapter)
struct e1000_hw *hw = &adapter->hw;
u32 reg;
- if (hw->phy.media_type == e1000_media_type_internal_serdes) {
+ reg = rd32(E1000_CTRL_EXT);
+
+ /* use CTRL_EXT to identify link type as SGMII can appear as copper */
+ if (reg & E1000_CTRL_EXT_LINK_MODE_MASK) {
reg = rd32(E1000_RCTL);
reg |= E1000_RCTL_LBM_TCVR;
wr32(E1000_RCTL, reg);
@@ -1394,11 +1402,9 @@ static int igb_setup_loopback_test(struct igb_adapter *adapter)
wr32(E1000_PCS_LCTL, reg);
return 0;
- } else if (hw->phy.media_type == e1000_media_type_copper) {
- return igb_set_phy_loopback(adapter);
}
- return 7;
+ return igb_set_phy_loopback(adapter);
}
static void igb_loopback_cleanup(struct igb_adapter *adapter)
@@ -1424,19 +1430,21 @@ static void igb_create_lbtest_frame(struct sk_buff *skb,
unsigned int frame_size)
{
memset(skb->data, 0xFF, frame_size);
- frame_size &= ~1;
- memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1);
- memset(&skb->data[frame_size / 2 + 10], 0xBE, 1);
- memset(&skb->data[frame_size / 2 + 12], 0xAF, 1);
+ frame_size /= 2;
+ memset(&skb->data[frame_size], 0xAA, frame_size - 1);
+ memset(&skb->data[frame_size + 10], 0xBE, 1);
+ memset(&skb->data[frame_size + 12], 0xAF, 1);
}
static int igb_check_lbtest_frame(struct sk_buff *skb, unsigned int frame_size)
{
- frame_size &= ~1;
- if (*(skb->data + 3) == 0xFF)
- if ((*(skb->data + frame_size / 2 + 10) == 0xBE) &&
- (*(skb->data + frame_size / 2 + 12) == 0xAF))
+ frame_size /= 2;
+ if (*(skb->data + 3) == 0xFF) {
+ if ((*(skb->data + frame_size + 10) == 0xBE) &&
+ (*(skb->data + frame_size + 12) == 0xAF)) {
return 0;
+ }
+ }
return 13;
}
@@ -1513,7 +1521,8 @@ static int igb_run_loopback_test(struct igb_adapter *adapter)
igb_create_lbtest_frame(skb, size);
skb_put(skb, size);
- /* Calculate the loop count based on the largest descriptor ring
+ /*
+ * Calculate the loop count based on the largest descriptor ring
* The idea is to wrap the largest ring a number of times using 64
* send/receive pairs during each loop
*/
@@ -1605,8 +1614,7 @@ static int igb_link_test(struct igb_adapter *adapter, u64 *data)
if (hw->mac.autoneg)
msleep(4000);
- if (!(rd32(E1000_STATUS) &
- E1000_STATUS_LU))
+ if (!(rd32(E1000_STATUS) & E1000_STATUS_LU))
*data = 1;
}
return *data;
@@ -1788,7 +1796,6 @@ static int igb_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
adapter->wol |= E1000_WUFC_BC;
if (wol->wolopts & WAKE_MAGIC)
adapter->wol |= E1000_WUFC_MAG;
-
device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
return 0;
@@ -1801,12 +1808,19 @@ static int igb_phys_id(struct net_device *netdev, u32 data)
{
struct igb_adapter *adapter = netdev_priv(netdev);
struct e1000_hw *hw = &adapter->hw;
+ unsigned long timeout;
- if (!data || data > (u32)(MAX_SCHEDULE_TIMEOUT / HZ))
- data = (u32)(MAX_SCHEDULE_TIMEOUT / HZ);
+ timeout = data * 1000;
+
+ /*
+ * msleep_interruptable only accepts unsigned int so we are limited
+ * in how long a duration we can wait
+ */
+ if (!timeout || timeout > UINT_MAX)
+ timeout = UINT_MAX;
igb_blink_led(hw);
- msleep_interruptible(data * 1000);
+ msleep_interruptible(timeout);
igb_led_off(hw);
clear_bit(IGB_LED_ON, &adapter->led_status);
@@ -1916,6 +1930,7 @@ static void igb_get_ethtool_stats(struct net_device *netdev,
char *p = NULL;
igb_update_stats(adapter);
+
for (i = 0; i < IGB_GLOBAL_STATS_LEN; i++) {
switch (igb_gstrings_stats[i].type) {
case NETDEV_STATS:
--
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