Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net

Merge net into net-next to setup some infrastructure Eric
Dumazet needs for usbnet changes.

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller
2013-08-03 21:36:46 -07:00
906 changed files with 11370 additions and 98708 deletions

View File

@@ -93,6 +93,20 @@ static void set_multicast_list(struct net_device *ndev);
#define FEC_QUIRK_HAS_CSUM (1 << 5)
/* Controller has hardware vlan support */
#define FEC_QUIRK_HAS_VLAN (1 << 6)
/* ENET IP errata ERR006358
*
* If the ready bit in the transmit buffer descriptor (TxBD[R]) is previously
* detected as not set during a prior frame transmission, then the
* ENET_TDAR[TDAR] bit is cleared at a later time, even if additional TxBDs
* were added to the ring and the ENET_TDAR[TDAR] bit is set. This results in
* If the ready bit in the transmit buffer descriptor (TxBD[R]) is previously
* detected as not set during a prior frame transmission, then the
* ENET_TDAR[TDAR] bit is cleared at a later time, even if additional TxBDs
* were added to the ring and the ENET_TDAR[TDAR] bit is set. This results in
* frames not being transmitted until there is a 0-to-1 transition on
* ENET_TDAR[TDAR].
*/
#define FEC_QUIRK_ERR006358 (1 << 7)
static struct platform_device_id fec_devtype[] = {
{
@@ -112,7 +126,7 @@ static struct platform_device_id fec_devtype[] = {
.name = "imx6q-fec",
.driver_data = FEC_QUIRK_ENET_MAC | FEC_QUIRK_HAS_GBIT |
FEC_QUIRK_HAS_BUFDESC_EX | FEC_QUIRK_HAS_CSUM |
FEC_QUIRK_HAS_VLAN,
FEC_QUIRK_HAS_VLAN | FEC_QUIRK_ERR006358,
}, {
.name = "mvf600-fec",
.driver_data = FEC_QUIRK_ENET_MAC,
@@ -275,16 +289,11 @@ fec_enet_start_xmit(struct sk_buff *skb, struct net_device *ndev)
struct fec_enet_private *fep = netdev_priv(ndev);
const struct platform_device_id *id_entry =
platform_get_device_id(fep->pdev);
struct bufdesc *bdp;
struct bufdesc *bdp, *bdp_pre;
void *bufaddr;
unsigned short status;
unsigned int index;
if (!fep->link) {
/* Link is down or auto-negotiation is in progress. */
return NETDEV_TX_BUSY;
}
/* Fill in a Tx ring entry */
bdp = fep->cur_tx;
@@ -370,6 +379,15 @@ fec_enet_start_xmit(struct sk_buff *skb, struct net_device *ndev)
ebdp->cbd_esc |= BD_ENET_TX_PINS;
}
}
bdp_pre = fec_enet_get_prevdesc(bdp, fep->bufdesc_ex);
if ((id_entry->driver_data & FEC_QUIRK_ERR006358) &&
!(bdp_pre->cbd_sc & BD_ENET_TX_READY)) {
fep->delay_work.trig_tx = true;
schedule_delayed_work(&(fep->delay_work.delay_work),
msecs_to_jiffies(1));
}
/* If this was the last BD in the ring, start at the beginning again. */
if (status & BD_ENET_TX_WRAP)
bdp = fep->tx_bd_base;
@@ -689,6 +707,11 @@ static void fec_enet_work(struct work_struct *work)
fec_restart(fep->netdev, fep->full_duplex);
netif_wake_queue(fep->netdev);
}
if (fep->delay_work.trig_tx) {
fep->delay_work.trig_tx = false;
writel(0, fep->hwp + FEC_X_DES_ACTIVE);
}
}
static void
@@ -2315,4 +2338,5 @@ static struct platform_driver fec_driver = {
module_platform_driver(fec_driver);
MODULE_ALIAS("platform:"DRIVER_NAME);
MODULE_LICENSE("GPL");