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authorPieter Dejaeghere <pieter@dejaeghere.net>2005-09-06 19:54:48 -0700
committerDavid S. Miller <davem@davemloft.net>2005-09-06 19:54:48 -0700
commitc6bb15a0c485fbdd3d161da54fd29f4f15e1b070 (patch)
treeb52bf3613cead1f9e209c2bb20a27caee4d497aa /drivers/net/arcnet
parent0a3f4358ac6283fe3a565183eaf9716de28b6fd0 (diff)
downloadblackbird-op-linux-c6bb15a0c485fbdd3d161da54fd29f4f15e1b070.tar.gz
blackbird-op-linux-c6bb15a0c485fbdd3d161da54fd29f4f15e1b070.zip
[ARCNET]: Fix return value from arcnet_send_packet().
From: Pieter Dejaeghere <pieter@dejaeghere.net> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/arcnet')
-rw-r--r--drivers/net/arcnet/arcnet.c25
1 files changed, 17 insertions, 8 deletions
diff --git a/drivers/net/arcnet/arcnet.c b/drivers/net/arcnet/arcnet.c
index 4f9f69e22c1b..12ef52c193a3 100644
--- a/drivers/net/arcnet/arcnet.c
+++ b/drivers/net/arcnet/arcnet.c
@@ -597,7 +597,7 @@ static int arcnet_send_packet(struct sk_buff *skb, struct net_device *dev)
struct ArcProto *proto;
int txbuf;
unsigned long flags;
- int freeskb = 0;
+ int freeskb, retval;
BUGMSG(D_DURING,
"transmit requested (status=%Xh, txbufs=%d/%d, len=%d, protocol %x)\n",
@@ -615,7 +615,7 @@ static int arcnet_send_packet(struct sk_buff *skb, struct net_device *dev)
if (skb->len - ARC_HDR_SIZE > XMTU && !proto->continue_tx) {
BUGMSG(D_NORMAL, "fixme: packet too large: compensating badly!\n");
dev_kfree_skb(skb);
- return 0; /* don't try again */
+ return NETDEV_TX_OK; /* don't try again */
}
/* We're busy transmitting a packet... */
@@ -623,8 +623,11 @@ static int arcnet_send_packet(struct sk_buff *skb, struct net_device *dev)
spin_lock_irqsave(&lp->lock, flags);
AINTMASK(0);
-
- txbuf = get_arcbuf(dev);
+ if(lp->next_tx == -1)
+ txbuf = get_arcbuf(dev);
+ else {
+ txbuf = -1;
+ }
if (txbuf != -1) {
if (proto->prepare_tx(dev, pkt, skb->len, txbuf) &&
!proto->ack_tx) {
@@ -638,6 +641,8 @@ static int arcnet_send_packet(struct sk_buff *skb, struct net_device *dev)
lp->outgoing.skb = skb;
lp->outgoing.pkt = pkt;
+ freeskb = 0;
+
if (proto->continue_tx &&
proto->continue_tx(dev, txbuf)) {
BUGMSG(D_NORMAL,
@@ -645,10 +650,12 @@ static int arcnet_send_packet(struct sk_buff *skb, struct net_device *dev)
"(proto='%c')\n", proto->suffix);
}
}
-
+ retval = NETDEV_TX_OK;
+ dev->trans_start = jiffies;
lp->next_tx = txbuf;
} else {
- freeskb = 1;
+ retval = NETDEV_TX_BUSY;
+ freeskb = 0;
}
BUGMSG(D_DEBUG, "%s: %d: %s, status: %x\n",__FILE__,__LINE__,__FUNCTION__,ASTATUS());
@@ -664,7 +671,7 @@ static int arcnet_send_packet(struct sk_buff *skb, struct net_device *dev)
if (freeskb) {
dev_kfree_skb(skb);
}
- return 0; /* no need to try again */
+ return retval; /* no need to try again */
}
@@ -690,7 +697,6 @@ static int go_tx(struct net_device *dev)
/* start sending */
ACOMMAND(TXcmd | (lp->cur_tx << 3));
- dev->trans_start = jiffies;
lp->stats.tx_packets++;
lp->lasttrans_dest = lp->lastload_dest;
lp->lastload_dest = 0;
@@ -917,6 +923,9 @@ irqreturn_t arcnet_interrupt(int irq, void *dev_id, struct pt_regs *regs)
BUGMSG(D_RECON, "Network reconfiguration detected (status=%Xh)\n",
status);
+ /* MYRECON bit is at bit 7 of diagstatus */
+ if(diagstatus & 0x80)
+ BUGMSG(D_RECON,"Put out that recon myself\n");
/* is the RECON info empty or old? */
if (!lp->first_recon || !lp->last_recon ||
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