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Code Issues

ag71xx driver: always use NAPI to transmit packets

Browse Source 
SVN-Revision: 13529
This commit is contained in:
Gabor Juhos 2008-12-06 10:03:36 +00:00
parent 4992a87aeb
commit d6382555f4
2 changed files with 1 additions and 32 deletions
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9
target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx.h
View File

@ -37,9 +37,7 @@
#define ETH_FCS_LEN 4
#define AG71XX_DRV_NAME "ag71xx"
#define AG71XX_DRV_VERSION "0.5.9"
#define AG71XX_NAPI_TX 1
#define AG71XX_DRV_VERSION "0.5.10"
#define AG71XX_NAPI_WEIGHT 64
@ -47,13 +45,8 @@
#define AG71XX_INT_TX (AG71XX_INT_TX_PS)
#define AG71XX_INT_RX (AG71XX_INT_RX_PR | AG71XX_INT_RX_OF)
#ifdef AG71XX_NAPI_TX
#define AG71XX_INT_POLL (AG71XX_INT_RX | AG71XX_INT_TX)
#define AG71XX_INT_INIT (AG71XX_INT_ERR | AG71XX_INT_POLL)
#else
#define AG71XX_INT_POLL (AG71XX_INT_RX)
#define AG71XX_INT_INIT (AG71XX_INT_ERR | AG71XX_INT_POLL | AG71XX_INT_TX)
#endif
#define AG71XX_TX_FIFO_LEN 2048
#define AG71XX_TX_MTU_LEN 1536

24
target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx_main.c
View File

@ -553,16 +553,11 @@ static int ag71xx_do_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
static void ag71xx_tx_packets(struct ag71xx *ag)
{
struct ag71xx_platform_data *pdata = ag71xx_get_pdata(ag);
struct ag71xx_ring *ring = &ag->tx_ring;
unsigned int sent;
DBG("%s: processing TX ring\n", ag->dev->name);
#ifdef AG71XX_NAPI_TX
pdata->ddr_flush();
#endif
sent = 0;
while (ring->dirty != ring->curr) {
unsigned int i = ring->dirty % AG71XX_TX_RING_SIZE;
@ -595,18 +590,8 @@ static int ag71xx_rx_packets(struct ag71xx *ag, int limit)
{
struct net_device *dev = ag->dev;
struct ag71xx_ring *ring = &ag->rx_ring;
#ifndef AG71XX_NAPI_TX
struct ag71xx_platform_data *pdata = ag71xx_get_pdata(ag);
unsigned long flags;
#endif
int done = 0;
#ifndef AG71XX_NAPI_TX
spin_lock_irqsave(&ag->lock, flags);
pdata->ddr_flush();
spin_unlock_irqrestore(&ag->lock, flags);
#endif
DBG("%s: rx packets, limit=%d, curr=%u, dirty=%u\n",
dev->name, limit, ring->curr, ring->dirty);
@ -661,18 +646,14 @@ static int ag71xx_rx_packets(struct ag71xx *ag, int limit)
static int ag71xx_poll(struct napi_struct *napi, int limit)
{
struct ag71xx *ag = container_of(napi, struct ag71xx, napi);
#ifdef AG71XX_NAPI_TX
struct ag71xx_platform_data *pdata = ag71xx_get_pdata(ag);
#endif
struct net_device *dev = ag->dev;
unsigned long flags;
u32 status;
int done;
#ifdef AG71XX_NAPI_TX
pdata->ddr_flush();
ag71xx_tx_packets(ag);
#endif
DBG("%s: processing RX ring\n", dev->name);
done = ag71xx_rx_packets(ag, limit);
@ -738,11 +719,6 @@ static irqreturn_t ag71xx_interrupt(int irq, void *dev_id)
}
#endif
#ifndef AG71XX_NAPI_TX
if (likely(status & AG71XX_INT_TX_PS))
ag71xx_tx_packets(ag);
#endif
if (likely(status & AG71XX_INT_POLL)) {
ag71xx_int_disable(ag, AG71XX_INT_POLL);
DBG("%s: enable polling mode\n", dev->name);