Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-11-12 07:01:57 +00:00
Code Issues Packages Projects Releases Wiki Activity

via-velocity: use netdev_alloc_skb

Browse Source 
Use netdev_alloc_skb for rx buffer allocation. This sets skb->dev
and can be overriden for NUMA machines.

Change code to return new buffer rather than call by reference.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
This commit is contained in:
Stephen Hemminger 2008-04-16 16:37:31 -07:00 committed by Jeff Garzik
parent 47f98c7d4b
commit c73d2589b7
1 changed files with 6 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

19
drivers/net/via-velocity.c
View File

@ -1495,24 +1495,18 @@ static inline void velocity_rx_csum(struct rx_desc *rd, struct sk_buff *skb)
* enough. This function returns a negative value if the received
* packet is too big or if memory is exhausted.
*/
static inline int velocity_rx_copy(struct sk_buff **rx_skb, int pkt_size,
struct velocity_info *vptr)
static int velocity_rx_copy(struct sk_buff **rx_skb, int pkt_size,
struct velocity_info *vptr)
{
int ret = -1;
if (pkt_size < rx_copybreak) {
struct sk_buff *new_skb;
new_skb = dev_alloc_skb(pkt_size + 2);
new_skb = netdev_alloc_skb(vptr->dev, pkt_size + 2);
if (new_skb) {
new_skb->dev = vptr->dev;
new_skb->ip_summed = rx_skb[0]->ip_summed;
if (vptr->flags & VELOCITY_FLAGS_IP_ALIGN)
skb_reserve(new_skb, 2);
skb_copy_from_linear_data(rx_skb[0], new_skb->data,
pkt_size);
skb_reserve(new_skb, 2);
skb_copy_from_linear_data(*rx_skb, new_skb->data, pkt_size);
*rx_skb = new_skb;
ret = 0;
}
@ -1629,7 +1623,7 @@ static int velocity_alloc_rx_buf(struct velocity_info *vptr, int idx)
struct rx_desc *rd = &(vptr->rd_ring[idx]);
struct velocity_rd_info *rd_info = &(vptr->rd_info[idx]);
rd_info->skb = dev_alloc_skb(vptr->rx_buf_sz + 64);
rd_info->skb = netdev_alloc_skb(vptr->dev, vptr->rx_buf_sz + 64);
if (rd_info->skb == NULL)
return -ENOMEM;
@ -1638,7 +1632,6 @@ static int velocity_alloc_rx_buf(struct velocity_info *vptr, int idx)
* 64byte alignment.
*/
skb_reserve(rd_info->skb, (unsigned long) rd_info->skb->data & 63);
rd_info->skb->dev = vptr->dev;
rd_info->skb_dma = pci_map_single(vptr->pdev, rd_info->skb->data, vptr->rx_buf_sz, PCI_DMA_FROMDEVICE);
/*