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r8169: add bit description for the TxPoll register 

Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Cc: Edward Hsu <edward_hsu@realtek.com.tw>
This commit is contained in:
Francois Romieu 2007-02-23 23:50:28 +01:00 committed by Jeff Garzik
parent 07d3f51feb
commit 275391a482
1 changed files with 6 additions and 1 deletions
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7
drivers/net/r8169.c
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@ -250,6 +250,11 @@ enum rtl_register_content {
CmdTxEnb = 0x04, CmdTxEnb = 0x04,
RxBufEmpty = 0x01, RxBufEmpty = 0x01,
/* TXPoll register p.5 */
HPQ = 0x80, /* Poll cmd on the high prio queue */
NPQ = 0x40, /* Poll cmd on the low prio queue */
FSWInt = 0x01, /* Forced software interrupt */
/* Cfg9346Bits */ /* Cfg9346Bits */
Cfg9346_Lock = 0x00, Cfg9346_Lock = 0x00,
Cfg9346_Unlock = 0xc0, Cfg9346_Unlock = 0xc0,
@ -2405,7 +2410,7 @@ static int rtl8169_start_xmit(struct sk_buff *skb, struct net_device *dev)
smp_wmb(); smp_wmb();
RTL_W8(TxPoll, 0x40); /* set polling bit */ RTL_W8(TxPoll, NPQ); /* set polling bit */
if (TX_BUFFS_AVAIL(tp) < MAX_SKB_FRAGS) { if (TX_BUFFS_AVAIL(tp) < MAX_SKB_FRAGS) {
netif_stop_queue(dev); netif_stop_queue(dev);