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| author | Pieter Dejaeghere <pieter@dejaeghere.net> | 2005-09-06 19:54:48 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2005-09-06 19:54:48 -0700 |
| commit | c6bb15a0c485fbdd3d161da54fd29f4f15e1b070 (patch) | |
| tree | b52bf3613cead1f9e209c2bb20a27caee4d497aa /drivers/net/arcnet | |
| parent | 0a3f4358ac6283fe3a565183eaf9716de28b6fd0 (diff) | |
| download | linux-3.10-c6bb15a0c485fbdd3d161da54fd29f4f15e1b070.tar.gz linux-3.10-c6bb15a0c485fbdd3d161da54fd29f4f15e1b070.tar.bz2 linux-3.10-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.c | 25 |
1 files changed, 17 insertions, 8 deletions
diff --git a/drivers/net/arcnet/arcnet.c b/drivers/net/arcnet/arcnet.c index 4f9f69e22c1..12ef52c193a 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 || |