xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

net: add skb frag size accessors

Browse Source 
To ease skb->truesize sanitization, its better to be able to localize
all references to skb frags size.

Define accessors : skb_frag_size() to fetch frag size, and
skb_frag_size_{set|add|sub}() to manipulate it.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet
2011-10-18 21:00:24 +00:00
committed by David S. Miller
parent dd767856a3
commit 9e903e0852
87 changed files with 387 additions and 357 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
drivers/net/ethernet/chelsio/cxgb/sge.c
View File

@@ -1135,8 +1135,8 @@ static inline unsigned int compute_large_page_tx_descs(struct sk_buff *skb)
len -= SGE_TX_DESC_MAX_PLEN;
}
for (i = 0; nfrags--; i++) {
skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
len = frag->size;
const skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
len = skb_frag_size(frag);
while (len > SGE_TX_DESC_MAX_PLEN) {
count++;
len -= SGE_TX_DESC_MAX_PLEN;
@@ -1278,9 +1278,9 @@ static inline void write_tx_descs(struct adapter *adapter, struct sk_buff *skb,
}
mapping = skb_frag_dma_map(&adapter->pdev->dev, frag, 0,
frag->size, DMA_TO_DEVICE);
skb_frag_size(frag), DMA_TO_DEVICE);
desc_mapping = mapping;
desc_len = frag->size;
desc_len = skb_frag_size(frag);
pidx = write_large_page_tx_descs(pidx, &e1, &ce, &gen,
&desc_mapping, &desc_len,
@@ -1290,7 +1290,7 @@ static inline void write_tx_descs(struct adapter *adapter, struct sk_buff *skb,
nfrags == 0);
ce->skb = NULL;
dma_unmap_addr_set(ce, dma_addr, mapping);
dma_unmap_len_set(ce, dma_len, frag->size);
dma_unmap_len_set(ce, dma_len, skb_frag_size(frag));
}
ce->skb = skb;
wmb();