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yaml
---
r: 368634
b: refs/heads/master
c: f209059
h: refs/heads/master
v: v3
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YOSHIFUJI Hideaki authored and Stefan Richter committed Mar 13, 2013
1 parent 687e8b2 commit b0af84d
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Showing 2 changed files with 27 additions and 32 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: f60bac4bc9f8c6b20b27a2be210a69e2f256f0a5
refs/heads/master: f2090594dd28c033e0a9a267240ffca6d5afbd84
57 changes: 26 additions & 31 deletions trunk/drivers/firewire/net.c
Original file line number Diff line number Diff line change
Expand Up @@ -1154,6 +1154,7 @@ static int fwnet_broadcast_start(struct fwnet_device *dev)
unsigned max_receive;
struct fw_iso_packet packet;
unsigned long offset;
void **ptrptr;
unsigned u;

if (dev->broadcast_state != FWNET_BROADCAST_ERROR)
Expand All @@ -1162,42 +1163,36 @@ static int fwnet_broadcast_start(struct fwnet_device *dev)
max_receive = 1U << (dev->card->max_receive + 1);
num_packets = (FWNET_ISO_PAGE_COUNT * PAGE_SIZE) / max_receive;

if (!dev->broadcast_rcv_context) {
void **ptrptr;

context = fw_iso_context_create(dev->card,
FW_ISO_CONTEXT_RECEIVE, IEEE1394_BROADCAST_CHANNEL,
dev->card->link_speed, 8, fwnet_receive_broadcast, dev);
if (IS_ERR(context)) {
retval = PTR_ERR(context);
goto failed_context_create;
}
context = fw_iso_context_create(dev->card, FW_ISO_CONTEXT_RECEIVE,
IEEE1394_BROADCAST_CHANNEL,
dev->card->link_speed, 8,
fwnet_receive_broadcast, dev);
if (IS_ERR(context)) {
retval = PTR_ERR(context);
goto failed_context_create;
}

retval = fw_iso_buffer_init(&dev->broadcast_rcv_buffer,
dev->card, FWNET_ISO_PAGE_COUNT, DMA_FROM_DEVICE);
if (retval < 0)
goto failed_buffer_init;
retval = fw_iso_buffer_init(&dev->broadcast_rcv_buffer, dev->card,
FWNET_ISO_PAGE_COUNT, DMA_FROM_DEVICE);
if (retval < 0)
goto failed_buffer_init;

ptrptr = kmalloc(sizeof(void *) * num_packets, GFP_KERNEL);
if (!ptrptr) {
retval = -ENOMEM;
goto failed_ptrs_alloc;
}
ptrptr = kmalloc(sizeof(void *) * num_packets, GFP_KERNEL);
if (!ptrptr) {
retval = -ENOMEM;
goto failed_ptrs_alloc;
}

dev->broadcast_rcv_buffer_ptrs = ptrptr;
for (u = 0; u < FWNET_ISO_PAGE_COUNT; u++) {
void *ptr;
unsigned v;
dev->broadcast_rcv_buffer_ptrs = ptrptr;
for (u = 0; u < FWNET_ISO_PAGE_COUNT; u++) {
void *ptr;
unsigned v;

ptr = kmap(dev->broadcast_rcv_buffer.pages[u]);
for (v = 0; v < num_packets / FWNET_ISO_PAGE_COUNT; v++)
*ptrptr++ = (void *)
((char *)ptr + v * max_receive);
}
dev->broadcast_rcv_context = context;
} else {
context = dev->broadcast_rcv_context;
ptr = kmap(dev->broadcast_rcv_buffer.pages[u]);
for (v = 0; v < num_packets / FWNET_ISO_PAGE_COUNT; v++)
*ptrptr++ = (void *) ((char *)ptr + v * max_receive);
}
dev->broadcast_rcv_context = context;

packet.payload_length = max_receive;
packet.interrupt = 1;
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