AcoSail/kernel_optimize_test
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RDMA/cxgb4: Use cxgb4 service for packet gl to skb

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Remove the local service t4_pktgl_to_skb() and use cxgb4_pktgl_to_skb()
exported by cxgb4.

Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
This commit is contained in:
Steve Wise 2010-10-18 15:16:45 +00:00 committed by Roland Dreier
parent de5dd81b49
commit da411ba1da
1 changed files with 1 additions and 41 deletions
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42
drivers/infiniband/hw/cxgb4/device.c
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@ -454,46 +454,6 @@ static void *c4iw_uld_add(const struct cxgb4_lld_info *infop)
return dev;
}
static struct sk_buff *t4_pktgl_to_skb(const struct pkt_gl *gl,
unsigned int skb_len,
unsigned int pull_len)
{
struct sk_buff *skb;
struct skb_shared_info *ssi;
if (gl->tot_len <= 512) {
skb = alloc_skb(gl->tot_len, GFP_ATOMIC);
if (unlikely(!skb))
goto out;
__skb_put(skb, gl->tot_len);
skb_copy_to_linear_data(skb, gl->va, gl->tot_len);
} else {
skb = alloc_skb(skb_len, GFP_ATOMIC);
if (unlikely(!skb))
goto out;
__skb_put(skb, pull_len);
skb_copy_to_linear_data(skb, gl->va, pull_len);
ssi = skb_shinfo(skb);
ssi->frags[0].page = gl->frags[0].page;
ssi->frags[0].page_offset = gl->frags[0].page_offset + pull_len;
ssi->frags[0].size = gl->frags[0].size - pull_len;
if (gl->nfrags > 1)
memcpy(&ssi->frags[1], &gl->frags[1],
(gl->nfrags - 1) * sizeof(skb_frag_t));
ssi->nr_frags = gl->nfrags;
skb->len = gl->tot_len;
skb->data_len = skb->len - pull_len;
skb->truesize += skb->data_len;
/* Get a reference for the last page, we don't own it */
get_page(gl->frags[gl->nfrags - 1].page);
}
out:
return skb;
}
static int c4iw_uld_rx_handler(void *handle, const __be64 *rsp,
const struct pkt_gl *gl)
{
@ -518,7 +478,7 @@ static int c4iw_uld_rx_handler(void *handle, const __be64 *rsp,
c4iw_ev_handler(dev, qid);
return 0;
} else {
skb = t4_pktgl_to_skb(gl, 128, 128);
skb = cxgb4_pktgl_to_skb(gl, 128, 128);
if (unlikely(!skb))
goto nomem;
}