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ucc_geth: Implement Transmit on Demand support 

Transmit on Demand: Fix spelling in config option, and make it actually enable TOD.

Signed-off-by: Michael Reiss <michael.f.reiss@freescale.com>
Signed-off-by: Michael Barkowski <michael.barkowski@freescale.com>
Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
This commit is contained in:
Michael Reiss 2007-04-13 01:26:19 -05:00 committed by Jeff Garzik
parent 7563907eb8
commit d5b9049df2
4 changed files with 15 additions and 10 deletions
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3
arch/powerpc/sysdev/qe_lib/ucc_fast.c
View File

@ -210,6 +210,9 @@ int ucc_fast_init(struct ucc_fast_info * uf_info, struct ucc_fast_private ** ucc
uf_regs = uccf->uf_regs;
uccf->p_ucce = (u32 *) & (uf_regs->ucce);
uccf->p_uccm = (u32 *) & (uf_regs->uccm);
#ifdef CONFIG_UGETH_TX_ON_DEMAND
uccf->p_utodr = (u16 *) & (uf_regs->utodr);
#endif
#ifdef STATISTICS
uccf->tx_frames = 0;
uccf->rx_frames = 0;

4
drivers/net/Kconfig
View File

@ -2292,8 +2292,8 @@ config UGETH_FILTERING
bool "Mac address filtering support"
depends on UCC_GETH
config UGETH_TX_ON_DEMOND
bool "Transmit on Demond support"
config UGETH_TX_ON_DEMAND
bool "Transmit on Demand support"
depends on UCC_GETH
config MV643XX_ETH

15
drivers/net/ucc_geth.c
View File

@ -1626,14 +1626,6 @@ static int init_phy(struct net_device *dev)
}
#ifdef CONFIG_UGETH_TX_ON_DEMOND
static int ugeth_transmit_on_demand(struct ucc_geth_private *ugeth)
{
struct ucc_fastransmit_on_demand(ugeth->uccf);
return 0;
}
#endif
static int ugeth_graceful_stop_tx(struct ucc_geth_private *ugeth)
{
@ -3343,6 +3335,9 @@ static void ucc_geth_timeout(struct net_device *dev)
static int ucc_geth_start_xmit(struct sk_buff *skb, struct net_device *dev)
{
struct ucc_geth_private *ugeth = netdev_priv(dev);
#ifdef CONFIG_UGETH_TX_ON_DEMAND
struct ucc_fast_private *uccf;
#endif
u8 *bd; /* BD pointer */
u32 bd_status;
u8 txQ = 0;
@ -3401,6 +3396,10 @@ static int ucc_geth_start_xmit(struct sk_buff *skb, struct net_device *dev)
out_be16(ugeth->p_cpucount[txQ], ugeth->cpucount[txQ]);
}
#ifdef CONFIG_UGETH_TX_ON_DEMAND
uccf = ugeth->uccf;
out_be16(uccf->p_utodr, UCC_FAST_TOD);
#endif
spin_unlock_irq(&ugeth->lock);
return 0;

3
include/asm-powerpc/ucc_fast.h
View File

@ -159,6 +159,9 @@ struct ucc_fast_private {
struct ucc_fast *uf_regs; /* a pointer to memory map of UCC regs. */
u32 *p_ucce; /* a pointer to the event register in memory. */
u32 *p_uccm; /* a pointer to the mask register in memory. */
#ifdef CONFIG_UGETH_TX_ON_DEMAND
u16 *p_utodr; /* pointer to the transmit on demand register */
#endif
int enabled_tx; /* Whether channel is enabled for Tx (ENT) */
int enabled_rx; /* Whether channel is enabled for Rx (ENR) */
int stopped_tx; /* Whether channel has been stopped for Tx