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ieee1394: remove usage of skb_queue as packet queue

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This considerably reduces the memory requirements for a packet and
eliminates ieee1394's dependency on CONFIG_NET.

Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
This commit is contained in:
Stefan Richter
2007-03-25 22:22:40 +02:00
parent d265250341
commit 7542e0e696
6 changed files with 163 additions and 169 deletions
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12
drivers/ieee1394/hosts.c
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@@ -94,14 +94,6 @@ static int alloc_hostnum_cb(struct hpsb_host *host, void *__data)
return 0;
}
/*
* The pending_packet_queue is special in that it's processed
* from hardirq context too (such as hpsb_bus_reset()). Hence
* split the lock class from the usual networking skb-head
* lock class by using a separate key for it:
*/
static struct lock_class_key pending_packet_queue_key;
static DEFINE_MUTEX(host_num_alloc);
/**
@@ -137,9 +129,7 @@ struct hpsb_host *hpsb_alloc_host(struct hpsb_host_driver *drv, size_t extra,
h->hostdata = h + 1;
h->driver = drv;
skb_queue_head_init(&h->pending_packet_queue);
lockdep_set_class(&h->pending_packet_queue.lock,
&pending_packet_queue_key);
INIT_LIST_HEAD(&h->pending_packets);
INIT_LIST_HEAD(&h->addr_space);
for (i = 2; i < 16; i++)