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Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6

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Conflicts:

	net/mac80211/rc80211_pid_algo.c
This commit is contained in:
David S. Miller
2008-03-05 12:26:41 -08:00
parent 9a43b709a2 0d66afe780
commit 255333c1db
34 changed files with 115 additions and 131 deletions
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12
net/core/netpoll.c
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@@ -39,6 +39,8 @@ static struct sk_buff_head skb_pool;
static atomic_t trapped;
#define USEC_PER_POLL 50
#define NETPOLL_RX_ENABLED 1
#define NETPOLL_RX_DROP 2
#define MAX_SKB_SIZE \
(MAX_UDP_CHUNK + sizeof(struct udphdr) + \
@@ -126,11 +128,13 @@ static int poll_one_napi(struct netpoll_info *npinfo,
if (!test_bit(NAPI_STATE_SCHED, &napi->state))
return budget;
npinfo->rx_flags |= NETPOLL_RX_DROP;
atomic_inc(&trapped);
work = napi->poll(napi, budget);
atomic_dec(&trapped);
npinfo->rx_flags &= ~NETPOLL_RX_DROP;
return budget - work;
}
@@ -470,7 +474,7 @@ int __netpoll_rx(struct sk_buff *skb)
if (skb->dev->type != ARPHRD_ETHER)
goto out;
/* if receive ARP during middle of NAPI poll, then queue */
/* check if netpoll clients need ARP */
if (skb->protocol == htons(ETH_P_ARP) &&
atomic_read(&trapped)) {
skb_queue_tail(&npi->arp_tx, skb);
@@ -532,9 +536,6 @@ int __netpoll_rx(struct sk_buff *skb)
return 1;
out:
/* If packet received while already in poll then just
* silently drop.
*/
if (atomic_read(&trapped)) {
kfree_skb(skb);
return 1;
@@ -673,6 +674,7 @@ int netpoll_setup(struct netpoll *np)
goto release;
}
npinfo->rx_flags = 0;
npinfo->rx_np = NULL;
spin_lock_init(&npinfo->rx_lock);
@@ -754,6 +756,7 @@ int netpoll_setup(struct netpoll *np)
if (np->rx_hook) {
spin_lock_irqsave(&npinfo->rx_lock, flags);
npinfo->rx_flags |= NETPOLL_RX_ENABLED;
npinfo->rx_np = np;
spin_unlock_irqrestore(&npinfo->rx_lock, flags);
}
@@ -795,6 +798,7 @@ void netpoll_cleanup(struct netpoll *np)
if (npinfo->rx_np == np) {
spin_lock_irqsave(&npinfo->rx_lock, flags);
npinfo->rx_np = NULL;
npinfo->rx_flags &= ~NETPOLL_RX_ENABLED;
spin_unlock_irqrestore(&npinfo->rx_lock, flags);
}