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authorMasakazu Mokuno <mokuno@sm.sony.co.jp>2008-02-07 13:58:32 +0300
committerJeff Garzik <jeff@garzik.org>2008-02-11 18:29:52 +0300
commit01fed4c284def58b8a9ee0b915c3956b93c670b7 (patch)
tree830ddb0858e83ee2c716bb9b7a0de40858d7f95f /drivers/net/ps3_gelic_net.c
parent7bc56b92b025c13f8d3c9b049ed816db464fb0b5 (diff)
downloadlinux-01fed4c284def58b8a9ee0b915c3956b93c670b7.tar.xz
PS3: gelic: add support for port link status
Add support for interrupt driven port link status detection. Signed-off-by: Masakazu Mokuno <mokuno@sm.sony.co.jp> Signed-off-by: Jeff Garzik <jeff@garzik.org>
Diffstat (limited to 'drivers/net/ps3_gelic_net.c')
-rw-r--r--drivers/net/ps3_gelic_net.c77
1 files changed, 50 insertions, 27 deletions
diff --git a/drivers/net/ps3_gelic_net.c b/drivers/net/ps3_gelic_net.c
index 87fc3b765e8e..3b11b1ca0e77 100644
--- a/drivers/net/ps3_gelic_net.c
+++ b/drivers/net/ps3_gelic_net.c
@@ -87,6 +87,28 @@ static inline void gelic_card_rx_irq_off(struct gelic_card *card)
{
gelic_card_set_irq_mask(card, card->ghiintmask & ~GELIC_CARD_RXINT);
}
+
+static void
+gelic_card_get_ether_port_status(struct gelic_card *card, int inform)
+{
+ u64 v2;
+ struct net_device *ether_netdev;
+
+ lv1_net_control(bus_id(card), dev_id(card),
+ GELIC_LV1_GET_ETH_PORT_STATUS,
+ GELIC_LV1_VLAN_TX_ETHERNET, 0, 0,
+ &card->ether_port_status, &v2);
+
+ if (inform) {
+ ether_netdev = card->netdev;
+ if (card->ether_port_status & GELIC_LV1_ETHER_LINK_UP)
+ netif_carrier_on(ether_netdev);
+ else
+ netif_carrier_off(ether_netdev);
+ }
+}
+
+
/**
* gelic_descr_get_status -- returns the status of a descriptor
* @descr: descriptor to look at
@@ -1032,6 +1054,10 @@ static irqreturn_t gelic_card_interrupt(int irq, void *ptr)
gelic_card_kick_txdma(card, card->tx_chain.tail);
spin_unlock_irqrestore(&card->tx_dma_lock, flags);
}
+
+ /* ether port status changed */
+ if (status & GELIC_CARD_PORT_STATUS_CHANGED)
+ gelic_card_get_ether_port_status(card, 1);
return IRQ_HANDLED;
}
@@ -1128,13 +1154,14 @@ static int gelic_net_open(struct net_device *netdev)
napi_enable(&card->napi);
card->tx_dma_progress = 0;
- card->ghiintmask = GELIC_CARD_RXINT | GELIC_CARD_TXINT;
+ card->ghiintmask = GELIC_CARD_RXINT | GELIC_CARD_TXINT |
+ GELIC_CARD_PORT_STATUS_CHANGED;
gelic_card_set_irq_mask(card, card->ghiintmask);
gelic_card_enable_rxdmac(card);
netif_start_queue(netdev);
- netif_carrier_on(netdev);
+ gelic_card_get_ether_port_status(card, 1);
return 0;
@@ -1157,39 +1184,35 @@ static int gelic_ether_get_settings(struct net_device *netdev,
struct ethtool_cmd *cmd)
{
struct gelic_card *card = netdev_priv(netdev);
- int status;
- u64 v1, v2;
- int speed, duplex;
- speed = duplex = -1;
- status = lv1_net_control(bus_id(card), dev_id(card),
- GELIC_LV1_GET_ETH_PORT_STATUS,
- GELIC_LV1_VLAN_TX_ETHERNET, 0, 0,
- &v1, &v2);
- if (status) {
- /* link down */
- } else {
- if (v1 & GELIC_LV1_ETHER_FULL_DUPLEX) {
- duplex = DUPLEX_FULL;
- } else {
- duplex = DUPLEX_HALF;
- }
+ gelic_card_get_ether_port_status(card, 0);
- if (v1 & GELIC_LV1_ETHER_SPEED_10) {
- speed = SPEED_10;
- } else if (v1 & GELIC_LV1_ETHER_SPEED_100) {
- speed = SPEED_100;
- } else if (v1 & GELIC_LV1_ETHER_SPEED_1000) {
- speed = SPEED_1000;
- }
+ if (card->ether_port_status & GELIC_LV1_ETHER_FULL_DUPLEX)
+ cmd->duplex = DUPLEX_FULL;
+ else
+ cmd->duplex = DUPLEX_HALF;
+
+ switch (card->ether_port_status & GELIC_LV1_ETHER_SPEED_MASK) {
+ case GELIC_LV1_ETHER_SPEED_10:
+ cmd->speed = SPEED_10;
+ break;
+ case GELIC_LV1_ETHER_SPEED_100:
+ cmd->speed = SPEED_100;
+ break;
+ case GELIC_LV1_ETHER_SPEED_1000:
+ cmd->speed = SPEED_1000;
+ break;
+ default:
+ pr_info("%s: speed unknown\n", __func__);
+ cmd->speed = SPEED_10;
+ break;
}
+
cmd->supported = SUPPORTED_TP | SUPPORTED_Autoneg |
SUPPORTED_10baseT_Half | SUPPORTED_10baseT_Full |
SUPPORTED_100baseT_Half | SUPPORTED_100baseT_Full |
SUPPORTED_1000baseT_Half | SUPPORTED_1000baseT_Full;
cmd->advertising = cmd->supported;
- cmd->speed = speed;
- cmd->duplex = duplex;
cmd->autoneg = AUTONEG_ENABLE; /* always enabled */
cmd->port = PORT_TP;