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authorEric Dumazet <eric.dumazet@gmail.com>2011-10-18 21:00:24 (GMT)
committerDavid S. Miller <davem@davemloft.net>2011-10-19 07:10:46 (GMT)
commit9e903e085262ffbf1fc44a17ac06058aca03524a (patch)
tree4acefc97ba38c1733474d25c0b2053b56af97db1 /drivers/net/ethernet/ibm
parentdd767856a36e00b631d65ebc4bb81b19915532d6 (diff)
downloadlinux-fsl-qoriq-9e903e085262ffbf1fc44a17ac06058aca03524a.tar.xz
net: add skb frag size accessors
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>
Diffstat (limited to 'drivers/net/ethernet/ibm')
-rw-r--r--drivers/net/ethernet/ibm/ehea/ehea_main.c4
-rw-r--r--drivers/net/ethernet/ibm/emac/core.c2
-rw-r--r--drivers/net/ethernet/ibm/ibmveth.c6
3 files changed, 6 insertions, 6 deletions
diff --git a/drivers/net/ethernet/ibm/ehea/ehea_main.c b/drivers/net/ethernet/ibm/ehea/ehea_main.c
index adb462d..0d4d4f6 100644
--- a/drivers/net/ethernet/ibm/ehea/ehea_main.c
+++ b/drivers/net/ethernet/ibm/ehea/ehea_main.c
@@ -1676,7 +1676,7 @@ static inline void write_swqe2_data(struct sk_buff *skb, struct net_device *dev,
/* copy sg1entry data */
sg1entry->l_key = lkey;
- sg1entry->len = frag->size;
+ sg1entry->len = skb_frag_size(frag);
sg1entry->vaddr =
ehea_map_vaddr(skb_frag_address(frag));
swqe->descriptors++;
@@ -1689,7 +1689,7 @@ static inline void write_swqe2_data(struct sk_buff *skb, struct net_device *dev,
sgentry = &sg_list[i - sg1entry_contains_frag_data];
sgentry->l_key = lkey;
- sgentry->len = frag->size;
+ sgentry->len = frag_size(frag);
sgentry->vaddr = ehea_map_vaddr(skb_frag_address(frag));
swqe->descriptors++;
}
diff --git a/drivers/net/ethernet/ibm/emac/core.c b/drivers/net/ethernet/ibm/emac/core.c
index 6b3a033..ed79b2d 100644
--- a/drivers/net/ethernet/ibm/emac/core.c
+++ b/drivers/net/ethernet/ibm/emac/core.c
@@ -1453,7 +1453,7 @@ static int emac_start_xmit_sg(struct sk_buff *skb, struct net_device *ndev)
/* skb fragments */
for (i = 0; i < nr_frags; ++i) {
struct skb_frag_struct *frag = &skb_shinfo(skb)->frags[i];
- len = frag->size;
+ len = skb_frag_size(frag);
if (unlikely(dev->tx_cnt + mal_tx_chunks(len) >= NUM_TX_BUFF))
goto undo_frame;
diff --git a/drivers/net/ethernet/ibm/ibmveth.c b/drivers/net/ethernet/ibm/ibmveth.c
index 4da972e..b1cd41b 100644
--- a/drivers/net/ethernet/ibm/ibmveth.c
+++ b/drivers/net/ethernet/ibm/ibmveth.c
@@ -1014,15 +1014,15 @@ retry_bounce:
/* Map the frags */
for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
- skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
+ const skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
dma_addr = skb_frag_dma_map(&adapter->vdev->dev, frag, 0,
- frag->size, DMA_TO_DEVICE);
+ skb_frag_size(frag), DMA_TO_DEVICE);
if (dma_mapping_error(&adapter->vdev->dev, dma_addr))
goto map_failed_frags;
- descs[i+1].fields.flags_len = desc_flags | frag->size;
+ descs[i+1].fields.flags_len = desc_flags | skb_frag_size(frag);
descs[i+1].fields.address = dma_addr;
}