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-rw-r--r--drivers/net/tg3.c72
-rw-r--r--drivers/net/tg3.h6
2 files changed, 64 insertions, 14 deletions
diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index 488b8c65252..3df5b78d269 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -2507,7 +2507,7 @@ static int tg3_setup_phy(struct tg3 *tp, int force_reset)
if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
if (netif_carrier_ok(tp->dev)) {
tw32(HOSTCC_STAT_COAL_TICKS,
- DEFAULT_STAT_COAL_TICKS);
+ tp->coal.stats_block_coalesce_usecs);
} else {
tw32(HOSTCC_STAT_COAL_TICKS, 0);
}
@@ -5094,6 +5094,27 @@ static void tg3_set_bdinfo(struct tg3 *tp, u32 bdinfo_addr,
}
static void __tg3_set_rx_mode(struct net_device *);
+static void tg3_set_coalesce(struct tg3 *tp, struct ethtool_coalesce *ec)
+{
+ tw32(HOSTCC_RXCOL_TICKS, ec->rx_coalesce_usecs);
+ tw32(HOSTCC_TXCOL_TICKS, ec->tx_coalesce_usecs);
+ tw32(HOSTCC_RXMAX_FRAMES, ec->rx_max_coalesced_frames);
+ tw32(HOSTCC_TXMAX_FRAMES, ec->tx_max_coalesced_frames);
+ if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
+ tw32(HOSTCC_RXCOAL_TICK_INT, ec->rx_coalesce_usecs_irq);
+ tw32(HOSTCC_TXCOAL_TICK_INT, ec->tx_coalesce_usecs_irq);
+ }
+ tw32(HOSTCC_RXCOAL_MAXF_INT, ec->rx_max_coalesced_frames_irq);
+ tw32(HOSTCC_TXCOAL_MAXF_INT, ec->tx_max_coalesced_frames_irq);
+ if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
+ u32 val = ec->stats_block_coalesce_usecs;
+
+ if (!netif_carrier_ok(tp->dev))
+ val = 0;
+
+ tw32(HOSTCC_STAT_COAL_TICKS, val);
+ }
+}
/* tp->lock is held. */
static int tg3_reset_hw(struct tg3 *tp)
@@ -5416,16 +5437,7 @@ static int tg3_reset_hw(struct tg3 *tp)
udelay(10);
}
- tw32(HOSTCC_RXCOL_TICKS, 0);
- tw32(HOSTCC_TXCOL_TICKS, LOW_TXCOL_TICKS);
- tw32(HOSTCC_RXMAX_FRAMES, 1);
- tw32(HOSTCC_TXMAX_FRAMES, LOW_RXMAX_FRAMES);
- if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
- tw32(HOSTCC_RXCOAL_TICK_INT, 0);
- tw32(HOSTCC_TXCOAL_TICK_INT, 0);
- }
- tw32(HOSTCC_RXCOAL_MAXF_INT, 1);
- tw32(HOSTCC_TXCOAL_MAXF_INT, 0);
+ tg3_set_coalesce(tp, &tp->coal);
/* set status block DMA address */
tw32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH,
@@ -5438,8 +5450,6 @@ static int tg3_reset_hw(struct tg3 *tp)
* the tg3_periodic_fetch_stats call there, and
* tg3_get_stats to see how this works for 5705/5750 chips.
*/
- tw32(HOSTCC_STAT_COAL_TICKS,
- DEFAULT_STAT_COAL_TICKS);
tw32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH,
((u64) tp->stats_mapping >> 32));
tw32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW,
@@ -7284,6 +7294,14 @@ static void tg3_vlan_rx_kill_vid(struct net_device *dev, unsigned short vid)
}
#endif
+static int tg3_get_coalesce(struct net_device *dev, struct ethtool_coalesce *ec)
+{
+ struct tg3 *tp = netdev_priv(dev);
+
+ memcpy(ec, &tp->coal, sizeof(*ec));
+ return 0;
+}
+
static struct ethtool_ops tg3_ethtool_ops = {
.get_settings = tg3_get_settings,
.set_settings = tg3_set_settings,
@@ -7316,6 +7334,7 @@ static struct ethtool_ops tg3_ethtool_ops = {
.get_strings = tg3_get_strings,
.get_stats_count = tg3_get_stats_count,
.get_ethtool_stats = tg3_get_ethtool_stats,
+ .get_coalesce = tg3_get_coalesce,
};
static void __devinit tg3_get_eeprom_size(struct tg3 *tp)
@@ -9096,6 +9115,31 @@ static struct pci_dev * __devinit tg3_find_5704_peer(struct tg3 *tp)
return peer;
}
+static void __devinit tg3_init_coal(struct tg3 *tp)
+{
+ struct ethtool_coalesce *ec = &tp->coal;
+
+ memset(ec, 0, sizeof(*ec));
+ ec->cmd = ETHTOOL_GCOALESCE;
+ ec->rx_coalesce_usecs = LOW_RXCOL_TICKS;
+ ec->tx_coalesce_usecs = LOW_TXCOL_TICKS;
+ ec->rx_max_coalesced_frames = LOW_RXMAX_FRAMES;
+ ec->tx_max_coalesced_frames = LOW_TXMAX_FRAMES;
+ ec->rx_coalesce_usecs_irq = DEFAULT_RXCOAL_TICK_INT;
+ ec->tx_coalesce_usecs_irq = DEFAULT_TXCOAL_TICK_INT;
+ ec->rx_max_coalesced_frames_irq = DEFAULT_RXCOAL_MAXF_INT;
+ ec->tx_max_coalesced_frames_irq = DEFAULT_TXCOAL_MAXF_INT;
+ ec->stats_block_coalesce_usecs = DEFAULT_STAT_COAL_TICKS;
+
+ if (tp->coalesce_mode & (HOSTCC_MODE_CLRTICK_RXBD |
+ HOSTCC_MODE_CLRTICK_TXBD)) {
+ ec->rx_coalesce_usecs = LOW_RXCOL_TICKS_CLRTCKS;
+ ec->rx_coalesce_usecs_irq = DEFAULT_RXCOAL_TICK_INT_CLRTCKS;
+ ec->tx_coalesce_usecs = LOW_TXCOL_TICKS_CLRTCKS;
+ ec->tx_coalesce_usecs_irq = DEFAULT_TXCOAL_TICK_INT_CLRTCKS;
+ }
+}
+
static int __devinit tg3_init_one(struct pci_dev *pdev,
const struct pci_device_id *ent)
{
@@ -9341,6 +9385,8 @@ static int __devinit tg3_init_one(struct pci_dev *pdev,
/* flow control autonegotiation is default behavior */
tp->tg3_flags |= TG3_FLAG_PAUSE_AUTONEG;
+ tg3_init_coal(tp);
+
err = register_netdev(dev);
if (err) {
printk(KERN_ERR PFX "Cannot register net device, "
diff --git a/drivers/net/tg3.h b/drivers/net/tg3.h
index 44c65160a20..993f84c93dc 100644
--- a/drivers/net/tg3.h
+++ b/drivers/net/tg3.h
@@ -876,10 +876,12 @@
#define HOSTCC_STATUS_ERROR_ATTN 0x00000004
#define HOSTCC_RXCOL_TICKS 0x00003c08
#define LOW_RXCOL_TICKS 0x00000032
+#define LOW_RXCOL_TICKS_CLRTCKS 0x00000014
#define DEFAULT_RXCOL_TICKS 0x00000048
#define HIGH_RXCOL_TICKS 0x00000096
#define HOSTCC_TXCOL_TICKS 0x00003c0c
#define LOW_TXCOL_TICKS 0x00000096
+#define LOW_TXCOL_TICKS_CLRTCKS 0x00000048
#define DEFAULT_TXCOL_TICKS 0x0000012c
#define HIGH_TXCOL_TICKS 0x00000145
#define HOSTCC_RXMAX_FRAMES 0x00003c10
@@ -892,8 +894,10 @@
#define HIGH_TXMAX_FRAMES 0x00000052
#define HOSTCC_RXCOAL_TICK_INT 0x00003c18
#define DEFAULT_RXCOAL_TICK_INT 0x00000019
+#define DEFAULT_RXCOAL_TICK_INT_CLRTCKS 0x00000014
#define HOSTCC_TXCOAL_TICK_INT 0x00003c1c
#define DEFAULT_TXCOAL_TICK_INT 0x00000019
+#define DEFAULT_TXCOAL_TICK_INT_CLRTCKS 0x00000014
#define HOSTCC_RXCOAL_MAXF_INT 0x00003c20
#define DEFAULT_RXCOAL_MAXF_INT 0x00000005
#define HOSTCC_TXCOAL_MAXF_INT 0x00003c24
@@ -2227,7 +2231,7 @@ struct tg3 {
#define SST_25VF0X0_PAGE_SIZE 4098
-
+ struct ethtool_coalesce coal;
};
#endif /* !(_T3_H) */