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SiS190/191 half-duplex initialization fix 

Adds half-duplex specific setup code (taken from SiS own GPL driver).
Without those, half-duplex connections are very unreliable, often
working on small transfers and failing after a while.

Signed-off-by: Riccardo Ghetta <birrachiara@tin.it>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Riccardo Ghetta 2010-02-17 09:28:58 +00:00 committed by David S. Miller
parent 7af3351f71
commit 08326dbe7b
1 changed files with 10 additions and 1 deletions
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11
drivers/net/sis190.c
View File

@ -47,7 +47,7 @@
#define PHY_ID_ANY 0x1f
#define MII_REG_ANY 0x1f
#define DRV_VERSION "1.3"
#define DRV_VERSION "1.4"
#define DRV_NAME "sis190"
#define SIS190_DRIVER_NAME DRV_NAME " Gigabit Ethernet driver " DRV_VERSION
#define PFX DRV_NAME ": "
@ -294,6 +294,7 @@ struct sis190_private {
struct mii_if_info mii_if;
struct list_head first_phy;
u32 features;
u32 negotiated_lpa;
};
struct sis190_phy {
@ -1004,6 +1005,8 @@ static void sis190_phy_task(struct work_struct *work)
SIS_W32(RGDelay, 0x0440);
}
tp->negotiated_lpa = p->val;
net_link(tp, KERN_INFO "%s: link on %s mode.\n", dev->name,
p->msg);
netif_carrier_on(dev);
@ -1211,6 +1214,12 @@ static netdev_tx_t sis190_start_xmit(struct sk_buff *skb,
wmb();
desc->status = cpu_to_le32(OWNbit | INTbit | DEFbit | CRCbit | PADbit);
if (tp->negotiated_lpa & (LPA_1000HALF | LPA_100HALF | LPA_10HALF)) {
/* Half Duplex */
desc->status |= cpu_to_le32(COLEN | CRSEN | BKFEN);
if (tp->negotiated_lpa & (LPA_1000HALF | LPA_1000FULL))
desc->status |= cpu_to_le32(EXTEN | BSTEN); /* gigabit HD */
}
tp->cur_tx++;