diff options
Diffstat (limited to 'net/core')
| -rw-r--r-- | net/core/neighbour.c | 6 | ||||
| -rw-r--r-- | net/core/netpoll.c | 12 | ||||
| -rw-r--r-- | net/core/pktgen.c | 10 |
3 files changed, 15 insertions, 13 deletions
diff --git a/net/core/neighbour.c b/net/core/neighbour.c index 2328acb..d9a02b2 100644 --- a/net/core/neighbour.c +++ b/net/core/neighbour.c @@ -839,7 +839,7 @@ static void neigh_timer_handler(unsigned long arg) struct sk_buff *skb = skb_peek(&neigh->arp_queue); /* keep skb alive even if arp_queue overflows */ if (skb) - skb_get(skb); + skb = skb_copy(skb, GFP_ATOMIC); write_unlock(&neigh->lock); neigh->ops->solicit(neigh, skb); atomic_inc(&neigh->probes); @@ -1389,10 +1389,10 @@ void neigh_table_init_no_netlink(struct neigh_table *tbl) panic("cannot create neighbour cache statistics"); #ifdef CONFIG_PROC_FS - tbl->pde = create_proc_entry(tbl->id, 0, init_net.proc_net_stat); + tbl->pde = proc_create(tbl->id, 0, init_net.proc_net_stat, + &neigh_stat_seq_fops); if (!tbl->pde) panic("cannot create neighbour proc dir entry"); - tbl->pde->proc_fops = &neigh_stat_seq_fops; tbl->pde->data = tbl; #endif diff --git a/net/core/netpoll.c b/net/core/netpoll.c index 6faa128..4b7e756 100644 --- a/net/core/netpoll.c +++ b/net/core/netpoll.c @@ -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; } @@ -472,7 +476,7 @@ 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); @@ -534,9 +538,6 @@ 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; @@ -675,6 +676,7 @@ int netpoll_setup(struct netpoll *np) goto release; } + npinfo->rx_flags = 0; npinfo->rx_np = NULL; spin_lock_init(&npinfo->rx_lock); @@ -756,6 +758,7 @@ 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); } @@ -797,6 +800,7 @@ 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); } diff --git a/net/core/pktgen.c b/net/core/pktgen.c index bfcdfae..20e63b3 100644 --- a/net/core/pktgen.c +++ b/net/core/pktgen.c @@ -3570,14 +3570,14 @@ static int pktgen_add_device(struct pktgen_thread *t, const char *ifname) if (err) goto out1; - pkt_dev->entry = create_proc_entry(ifname, 0600, pg_proc_dir); + pkt_dev->entry = proc_create(ifname, 0600, + pg_proc_dir, &pktgen_if_fops); if (!pkt_dev->entry) { printk(KERN_ERR "pktgen: cannot create %s/%s procfs entry.\n", PG_PROC_DIR, ifname); err = -EINVAL; goto out2; } - pkt_dev->entry->proc_fops = &pktgen_if_fops; pkt_dev->entry->data = pkt_dev; #ifdef CONFIG_XFRM pkt_dev->ipsmode = XFRM_MODE_TRANSPORT; @@ -3628,7 +3628,7 @@ static int __init pktgen_create_thread(int cpu) kthread_bind(p, cpu); t->tsk = p; - pe = create_proc_entry(t->tsk->comm, 0600, pg_proc_dir); + pe = proc_create(t->tsk->comm, 0600, pg_proc_dir, &pktgen_thread_fops); if (!pe) { printk(KERN_ERR "pktgen: cannot create %s/%s procfs entry.\n", PG_PROC_DIR, t->tsk->comm); @@ -3638,7 +3638,6 @@ static int __init pktgen_create_thread(int cpu) return -EINVAL; } - pe->proc_fops = &pktgen_thread_fops; pe->data = t; wake_up_process(p); @@ -3709,7 +3708,7 @@ static int __init pg_init(void) return -ENODEV; pg_proc_dir->owner = THIS_MODULE; - pe = create_proc_entry(PGCTRL, 0600, pg_proc_dir); + pe = proc_create(PGCTRL, 0600, pg_proc_dir, &pktgen_fops); if (pe == NULL) { printk(KERN_ERR "pktgen: ERROR: cannot create %s " "procfs entry.\n", PGCTRL); @@ -3717,7 +3716,6 @@ static int __init pg_init(void) return -EINVAL; } - pe->proc_fops = &pktgen_fops; pe->data = NULL; /* Register us to receive netdevice events */ |