AcoSail/kernel_optimize_test
8
0
Fork 0
forked from luck/tmp_suning_uos_patched
Code Pull Requests 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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/atm/eni.c
View File

@ -1136,7 +1136,7 @@ DPRINTK("doing direct send\n"); /* @@@ well, this doesn't work anyway */
put_dma(tx->index,eni_dev->dma,&j,(unsigned long)
skb_frag_page(&skb_shinfo(skb)->frags[i]) +
skb_shinfo(skb)->frags[i].page_offset,
skb_shinfo(skb)->frags[i].size);
skb_frag_size(&skb_shinfo(skb)->frags[i]));
}
if (skb->len & 3)
put_dma(tx->index,eni_dev->dma,&j,zeroes,4-(skb->len & 3));

4
drivers/infiniband/hw/amso1100/c2.c
View File

@ -800,8 +800,8 @@ static int c2_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
/* Loop thru additional data fragments and queue them */
if (skb_shinfo(skb)->nr_frags) {
for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
maplen = frag->size;
const skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
maplen = skb_frag_size(frag);
mapaddr = skb_frag_dma_map(&c2dev->pcidev->dev, frag,
0, maplen, DMA_TO_DEVICE);
elem = elem->next;

10
drivers/infiniband/hw/nes/nes_nic.c
View File

@ -444,10 +444,10 @@ static int nes_nic_send(struct sk_buff *skb, struct net_device *netdev)
skb_frag_t *frag =
&skb_shinfo(skb)->frags[skb_fragment_index];
bus_address = skb_frag_dma_map(&nesdev->pcidev->dev,
frag, 0, frag->size,
frag, 0, skb_frag_size(frag),
DMA_TO_DEVICE);
wqe_fragment_length[wqe_fragment_index] =
cpu_to_le16(skb_shinfo(skb)->frags[skb_fragment_index].size);
cpu_to_le16(skb_frag_size(&skb_shinfo(skb)->frags[skb_fragment_index]));
set_wqe_64bit_value(nic_sqe->wqe_words, NES_NIC_SQ_WQE_FRAG0_LOW_IDX+(2*wqe_fragment_index),
bus_address);
wqe_fragment_index++;
@ -565,7 +565,7 @@ static int nes_netdev_start_xmit(struct sk_buff *skb, struct net_device *netdev)
&skb_shinfo(skb)->frags[tso_frag_count];
tso_bus_address[tso_frag_count] =
skb_frag_dma_map(&nesdev->pcidev->dev,
frag, 0, frag->size,
frag, 0, skb_frag_size(frag),
DMA_TO_DEVICE);
}
@ -637,11 +637,11 @@ static int nes_netdev_start_xmit(struct sk_buff *skb, struct net_device *netdev)
}
while (wqe_fragment_index < 5) {
wqe_fragment_length[wqe_fragment_index] =
cpu_to_le16(skb_shinfo(skb)->frags[tso_frag_index].size);
cpu_to_le16(skb_frag_size(&skb_shinfo(skb)->frags[tso_frag_index]));
set_wqe_64bit_value(nic_sqe->wqe_words, NES_NIC_SQ_WQE_FRAG0_LOW_IDX+(2*wqe_fragment_index),
(u64)tso_bus_address[tso_frag_index]);
wqe_fragment_index++;
tso_wqe_length += skb_shinfo(skb)->frags[tso_frag_index++].size;
tso_wqe_length += skb_frag_size(&skb_shinfo(skb)->frags[tso_frag_index++]);
if (wqe_fragment_index < 5)
wqe_fragment_length[wqe_fragment_index] = 0;
if (tso_frag_index == tso_frag_count)

2
drivers/infiniband/ulp/ipoib/ipoib_cm.c
View File

@ -543,7 +543,7 @@ static void skb_put_frags(struct sk_buff *skb, unsigned int hdr_space,
} else {
size = min(length, (unsigned) PAGE_SIZE);
frag->size = size;
skb_frag_size_set(frag, size);
skb->data_len += size;
skb->truesize += size;
skb->len += size;

18
drivers/infiniband/ulp/ipoib/ipoib_ib.c
View File

@ -117,7 +117,7 @@ static void ipoib_ud_skb_put_frags(struct ipoib_dev_priv *priv,
size = length - IPOIB_UD_HEAD_SIZE;
frag->size = size;
skb_frag_size_set(frag, size);
skb->data_len += size;
skb->truesize += size;
} else
@ -322,10 +322,10 @@ static int ipoib_dma_map_tx(struct ib_device *ca,
off = 0;
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];
mapping[i + off] = ib_dma_map_page(ca,
skb_frag_page(frag),
frag->page_offset, frag->size,
frag->page_offset, skb_frag_size(frag),
DMA_TO_DEVICE);
if (unlikely(ib_dma_mapping_error(ca, mapping[i + off])))
goto partial_error;
@ -334,8 +334,9 @@ static int ipoib_dma_map_tx(struct ib_device *ca,
partial_error:
for (; i > 0; --i) {
skb_frag_t *frag = &skb_shinfo(skb)->frags[i - 1];
ib_dma_unmap_page(ca, mapping[i - !off], frag->size, DMA_TO_DEVICE);
const skb_frag_t *frag = &skb_shinfo(skb)->frags[i - 1];
ib_dma_unmap_page(ca, mapping[i - !off], skb_frag_size(frag), DMA_TO_DEVICE);
}
if (off)
@ -359,8 +360,9 @@ static void ipoib_dma_unmap_tx(struct ib_device *ca,
off = 0;
for (i = 0; i < skb_shinfo(skb)->nr_frags; ++i) {
skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
ib_dma_unmap_page(ca, mapping[i + off], frag->size,
const skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
ib_dma_unmap_page(ca, mapping[i + off], skb_frag_size(frag),
DMA_TO_DEVICE);
}
}
@ -510,7 +512,7 @@ static inline int post_send(struct ipoib_dev_priv *priv,
for (i = 0; i < nr_frags; ++i) {
priv->tx_sge[i + off].addr = mapping[i + off];
priv->tx_sge[i + off].length = frags[i].size;
priv->tx_sge[i + off].length = skb_frag_size(&frags[i]);
}
priv->tx_wr.num_sge = nr_frags + off;
priv->tx_wr.wr_id = wr_id;

6
drivers/net/ethernet/3com/3c59x.c
View File

@ -2182,12 +2182,12 @@ boomerang_start_xmit(struct sk_buff *skb, struct net_device *dev)
cpu_to_le32(pci_map_single(
VORTEX_PCI(vp),
(void *)skb_frag_address(frag),
frag->size, PCI_DMA_TODEVICE));
skb_frag_size(frag), PCI_DMA_TODEVICE));
if (i == skb_shinfo(skb)->nr_frags-1)
vp->tx_ring[entry].frag[i+1].length = cpu_to_le32(frag->size|LAST_FRAG);
vp->tx_ring[entry].frag[i+1].length = cpu_to_le32(skb_frag_size(frag)|LAST_FRAG);
else
vp->tx_ring[entry].frag[i+1].length = cpu_to_le32(frag->size);
vp->tx_ring[entry].frag[i+1].length = cpu_to_le32(skb_frag_size(frag));
}
}
#else

6
drivers/net/ethernet/3com/typhoon.c
View File

@ -810,15 +810,15 @@ typhoon_start_tx(struct sk_buff *skb, struct net_device *dev)
txd->frag.addrHi = 0;
first_txd->numDesc++;
for(i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
const skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
void *frag_addr;
txd = (struct tx_desc *) (txRing->ringBase +
txRing->lastWrite);
typhoon_inc_tx_index(&txRing->lastWrite, 1);
len = frag->size;
len = skb_frag_size(frag);
frag_addr = skb_frag_address(frag);
skb_dma = pci_map_single(tp->tx_pdev, frag_addr, len,
PCI_DMA_TODEVICE);

8
drivers/net/ethernet/adaptec/starfire.c
View File

@ -1256,12 +1256,12 @@ static netdev_tx_t start_tx(struct sk_buff *skb, struct net_device *dev)
np->tx_info[entry].mapping =
pci_map_single(np->pci_dev, skb->data, skb_first_frag_len(skb), PCI_DMA_TODEVICE);
} else {
skb_frag_t *this_frag = &skb_shinfo(skb)->frags[i - 1];
status |= this_frag->size;
const skb_frag_t *this_frag = &skb_shinfo(skb)->frags[i - 1];
status |= skb_frag_size(this_frag);
np->tx_info[entry].mapping =
pci_map_single(np->pci_dev,
skb_frag_address(this_frag),
this_frag->size,
skb_frag_size(this_frag),
PCI_DMA_TODEVICE);
}
@ -1378,7 +1378,7 @@ static irqreturn_t intr_handler(int irq, void *dev_instance)
for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
pci_unmap_single(np->pci_dev,
np->tx_info[entry].mapping,
skb_shinfo(skb)->frags[i].size,
skb_frag_size(&skb_shinfo(skb)->frags[i]),
PCI_DMA_TODEVICE);
np->dirty_tx++;
entry++;

8
drivers/net/ethernet/aeroflex/greth.c
View File

@ -198,7 +198,7 @@ static void greth_clean_rings(struct greth_private *greth)
dma_unmap_page(greth->dev,
greth_read_bd(&tx_bdp->addr),
frag->size,
skb_frag_size(frag),
DMA_TO_DEVICE);
greth->tx_last = NEXT_TX(greth->tx_last);
@ -517,7 +517,7 @@ greth_start_xmit_gbit(struct sk_buff *skb, struct net_device *dev)
status = GRETH_BD_EN;
if (skb->ip_summed == CHECKSUM_PARTIAL)
status |= GRETH_TXBD_CSALL;
status |= frag->size & GRETH_BD_LEN;
status |= skb_frag_size(frag) & GRETH_BD_LEN;
/* Wrap around descriptor ring */
if (curr_tx == GRETH_TXBD_NUM_MASK)
@ -531,7 +531,7 @@ greth_start_xmit_gbit(struct sk_buff *skb, struct net_device *dev)
greth_write_bd(&bdp->stat, status);
dma_addr = skb_frag_dma_map(greth->dev, frag, 0, frag->size,
dma_addr = skb_frag_dma_map(greth->dev, frag, 0, skb_frag_size(frag),
DMA_TO_DEVICE);
if (unlikely(dma_mapping_error(greth->dev, dma_addr)))
@ -713,7 +713,7 @@ static void greth_clean_tx_gbit(struct net_device *dev)
dma_unmap_page(greth->dev,
greth_read_bd(&bdp->addr),
frag->size,
skb_frag_size(frag),
DMA_TO_DEVICE);
greth->tx_last = NEXT_TX(greth->tx_last);

10
drivers/net/ethernet/alteon/acenic.c
View File

@ -2478,18 +2478,18 @@ static netdev_tx_t ace_start_xmit(struct sk_buff *skb,
idx = (idx + 1) % ACE_TX_RING_ENTRIES(ap);
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];
struct tx_ring_info *info;
len += frag->size;
len += skb_frag_size(frag);
info = ap->skb->tx_skbuff + idx;
desc = ap->tx_ring + idx;
mapping = skb_frag_dma_map(&ap->pdev->dev, frag, 0,
frag->size,
skb_frag_size(frag),
DMA_TO_DEVICE);
flagsize = (frag->size << 16);
flagsize = skb_frag_size(frag) << 16;
if (skb->ip_summed == CHECKSUM_PARTIAL)
flagsize |= BD_FLG_TCP_UDP_SUM;
idx = (idx + 1) % ACE_TX_RING_ENTRIES(ap);
@ -2508,7 +2508,7 @@ static netdev_tx_t ace_start_xmit(struct sk_buff *skb,
info->skb = NULL;
}
dma_unmap_addr_set(info, mapping, mapping);
dma_unmap_len_set(info, maplen, frag->size);
dma_unmap_len_set(info, maplen, skb_frag_size(frag));
ace_load_tx_bd(ap, desc, mapping, flagsize, vlan_tag);
}
}

2
drivers/net/ethernet/atheros/atl1c/atl1c_main.c
View File

@ -2179,7 +2179,7 @@ static void atl1c_tx_map(struct atl1c_adapter *adapter,
memcpy(use_tpd, tpd, sizeof(struct atl1c_tpd_desc));
buffer_info = atl1c_get_tx_buffer(adapter, use_tpd);
buffer_info->length = frag->size;
buffer_info->length = skb_frag_size(frag);
buffer_info->dma = skb_frag_dma_map(&adapter->pdev->dev,
frag, 0,
buffer_info->length,

6
drivers/net/ethernet/atheros/atl1e/atl1e_main.c
View File

@ -1593,7 +1593,7 @@ static u16 atl1e_cal_tdp_req(const struct sk_buff *skb)
u16 proto_hdr_len = 0;
for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
fg_size = skb_shinfo(skb)->frags[i].size;
fg_size = skb_frag_size(&skb_shinfo(skb)->frags[i]);
tpd_req += ((fg_size + MAX_TX_BUF_LEN - 1) >> MAX_TX_BUF_SHIFT);
}
@ -1744,12 +1744,12 @@ static void atl1e_tx_map(struct atl1e_adapter *adapter,
}
for (f = 0; f < nr_frags; f++) {
struct skb_frag_struct *frag;
const struct skb_frag_struct *frag;
u16 i;
u16 seg_num;
frag = &skb_shinfo(skb)->frags[f];
buf_len = frag->size;
buf_len = skb_frag_size(frag);
seg_num = (buf_len + MAX_TX_BUF_LEN - 1) / MAX_TX_BUF_LEN;
for (i = 0; i < seg_num; i++) {

12
drivers/net/ethernet/atheros/atlx/atl1.c
View File

@ -2267,11 +2267,11 @@ static void atl1_tx_map(struct atl1_adapter *adapter, struct sk_buff *skb,
}
for (f = 0; f < nr_frags; f++) {
struct skb_frag_struct *frag;
const struct skb_frag_struct *frag;
u16 i, nseg;
frag = &skb_shinfo(skb)->frags[f];
buf_len = frag->size;
buf_len = skb_frag_size(frag);
nseg = (buf_len + ATL1_MAX_TX_BUF_LEN - 1) /
ATL1_MAX_TX_BUF_LEN;
@ -2356,7 +2356,6 @@ static netdev_tx_t atl1_xmit_frame(struct sk_buff *skb,
int count = 1;
int ret_val;
struct tx_packet_desc *ptpd;
u16 frag_size;
u16 vlan_tag;
unsigned int nr_frags = 0;
unsigned int mss = 0;
@ -2372,10 +2371,9 @@ static netdev_tx_t atl1_xmit_frame(struct sk_buff *skb,
nr_frags = skb_shinfo(skb)->nr_frags;
for (f = 0; f < nr_frags; f++) {
frag_size = skb_shinfo(skb)->frags[f].size;
if (frag_size)
count += (frag_size + ATL1_MAX_TX_BUF_LEN - 1) /
ATL1_MAX_TX_BUF_LEN;
unsigned int f_size = skb_frag_size(&skb_shinfo(skb)->frags[f]);
count += (f_size + ATL1_MAX_TX_BUF_LEN - 1) /
ATL1_MAX_TX_BUF_LEN;
}
mss = skb_shinfo(skb)->gso_size;

12
drivers/net/ethernet/broadcom/bnx2.c
View File

@ -2871,7 +2871,7 @@ bnx2_tx_int(struct bnx2 *bp, struct bnx2_napi *bnapi, int budget)
dma_unmap_addr(
&txr->tx_buf_ring[TX_RING_IDX(sw_cons)],
mapping),
skb_shinfo(skb)->frags[i].size,
skb_frag_size(&skb_shinfo(skb)->frags[i]),
PCI_DMA_TODEVICE);
}
@ -3049,7 +3049,7 @@ bnx2_rx_skb(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, struct sk_buff *skb,
} else {
skb_frag_t *frag =
&skb_shinfo(skb)->frags[i - 1];
frag->size -= tail;
skb_frag_size_sub(frag, tail);
skb->data_len -= tail;
}
return 0;
@ -5395,7 +5395,7 @@ bnx2_free_tx_skbs(struct bnx2 *bp)
tx_buf = &txr->tx_buf_ring[TX_RING_IDX(j)];
dma_unmap_page(&bp->pdev->dev,
dma_unmap_addr(tx_buf, mapping),
skb_shinfo(skb)->frags[k].size,
skb_frag_size(&skb_shinfo(skb)->frags[k]),
PCI_DMA_TODEVICE);
}
dev_kfree_skb(skb);
@ -6530,13 +6530,13 @@ bnx2_start_xmit(struct sk_buff *skb, struct net_device *dev)
tx_buf->is_gso = skb_is_gso(skb);
for (i = 0; i < last_frag; i++) {
skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
const skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
prod = NEXT_TX_BD(prod);
ring_prod = TX_RING_IDX(prod);
txbd = &txr->tx_desc_ring[ring_prod];
len = frag->size;
len = skb_frag_size(frag);
mapping = skb_frag_dma_map(&bp->pdev->dev, frag, 0, len,
DMA_TO_DEVICE);
if (dma_mapping_error(&bp->pdev->dev, mapping))
@ -6594,7 +6594,7 @@ bnx2_start_xmit(struct sk_buff *skb, struct net_device *dev)
ring_prod = TX_RING_IDX(prod);
tx_buf = &txr->tx_buf_ring[ring_prod];
dma_unmap_page(&bp->pdev->dev, dma_unmap_addr(tx_buf, mapping),
skb_shinfo(skb)->frags[i].size,
skb_frag_size(&skb_shinfo(skb)->frags[i]),
PCI_DMA_TODEVICE);
}

14
drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
View File

@ -2363,7 +2363,7 @@ static int bnx2x_pkt_req_lin(struct bnx2x *bp, struct sk_buff *skb,
/* Calculate the first sum - it's special */
for (frag_idx = 0; frag_idx < wnd_size - 1; frag_idx++)
wnd_sum +=
skb_shinfo(skb)->frags[frag_idx].size;
skb_frag_size(&skb_shinfo(skb)->frags[frag_idx]);
/* If there was data on linear skb data - check it */
if (first_bd_sz > 0) {
@ -2379,14 +2379,14 @@ static int bnx2x_pkt_req_lin(struct bnx2x *bp, struct sk_buff *skb,
check all windows */
for (wnd_idx = 0; wnd_idx <= num_wnds; wnd_idx++) {
wnd_sum +=
skb_shinfo(skb)->frags[wnd_idx + wnd_size - 1].size;
skb_frag_size(&skb_shinfo(skb)->frags[wnd_idx + wnd_size - 1]);
if (unlikely(wnd_sum < lso_mss)) {
to_copy = 1;
break;
}
wnd_sum -=
skb_shinfo(skb)->frags[wnd_idx].size;
skb_frag_size(&skb_shinfo(skb)->frags[wnd_idx]);
}
} else {
/* in non-LSO too fragmented packet should always
@ -2796,8 +2796,8 @@ netdev_tx_t bnx2x_start_xmit(struct sk_buff *skb, struct net_device *dev)
for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
mapping = skb_frag_dma_map(&bp->pdev->dev, frag, 0, frag->size,
DMA_TO_DEVICE);
mapping = skb_frag_dma_map(&bp->pdev->dev, frag, 0,
skb_frag_size(frag), DMA_TO_DEVICE);
if (unlikely(dma_mapping_error(&bp->pdev->dev, mapping))) {
DP(NETIF_MSG_TX_QUEUED, "Unable to map page - "
@ -2821,8 +2821,8 @@ netdev_tx_t bnx2x_start_xmit(struct sk_buff *skb, struct net_device *dev)
tx_data_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
tx_data_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
tx_data_bd->nbytes = cpu_to_le16(frag->size);
le16_add_cpu(&pkt_size, frag->size);
tx_data_bd->nbytes = cpu_to_le16(skb_frag_size(frag));
le16_add_cpu(&pkt_size, skb_frag_size(frag));
nbd++;
DP(NETIF_MSG_TX_QUEUED,

8
drivers/net/ethernet/broadcom/tg3.c
View File

@ -5356,7 +5356,7 @@ static void tg3_tx(struct tg3_napi *tnapi)
pci_unmap_page(tp->pdev,
dma_unmap_addr(ri, mapping),
skb_shinfo(skb)->frags[i].size,
skb_frag_size(&skb_shinfo(skb)->frags[i]),
PCI_DMA_TODEVICE);
while (ri->fragmented) {
@ -6510,14 +6510,14 @@ static void tg3_tx_skb_unmap(struct tg3_napi *tnapi, u32 entry, int last)
}
for (i = 0; i < last; i++) {
skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
const skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
entry = NEXT_TX(entry);
txb = &tnapi->tx_buffers[entry];
pci_unmap_page(tnapi->tp->pdev,
dma_unmap_addr(txb, mapping),
frag->size, PCI_DMA_TODEVICE);
skb_frag_size(frag), PCI_DMA_TODEVICE);
while (txb->fragmented) {
txb->fragmented = false;
@ -6777,7 +6777,7 @@ static netdev_tx_t tg3_start_xmit(struct sk_buff *skb, struct net_device *dev)
for (i = 0; i <= last; i++) {
skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
len = frag->size;
len = skb_frag_size(frag);
mapping = skb_frag_dma_map(&tp->pdev->dev, frag, 0,
len, DMA_TO_DEVICE);

6
drivers/net/ethernet/brocade/bna/bnad.c
View File

@ -116,7 +116,7 @@ bnad_pci_unmap_skb(struct device *pdev, struct bnad_skb_unmap *array,
for (j = 0; j < frag; j++) {
dma_unmap_page(pdev, dma_unmap_addr(&array[index], dma_addr),
skb_shinfo(skb)->frags[j].size, DMA_TO_DEVICE);
skb_frag_size(&skb_shinfo(skb)->frags[j]), DMA_TO_DEVICE);
dma_unmap_addr_set(&array[index], dma_addr, 0);
BNA_QE_INDX_ADD(index, 1, depth);
}
@ -2741,8 +2741,8 @@ bnad_start_xmit(struct sk_buff *skb, struct net_device *netdev)
wis_used = 1;
for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
struct skb_frag_struct *frag = &skb_shinfo(skb)->frags[i];
u16 size = frag->size;
const struct skb_frag_struct *frag = &skb_shinfo(skb)->frags[i];
u16 size = skb_frag_size(frag);
if (unlikely(size == 0)) {
unmap_prod = unmap_q->producer_index;

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();

12
drivers/net/ethernet/chelsio/cxgb3/sge.c
View File

@ -254,7 +254,7 @@ static inline void unmap_skb(struct sk_buff *skb, struct sge_txq *q,
while (frag_idx < nfrags && curflit < WR_FLITS) {
pci_unmap_page(pdev, be64_to_cpu(sgp->addr[j]),
skb_shinfo(skb)->frags[frag_idx].size,
skb_frag_size(&skb_shinfo(skb)->frags[frag_idx]),
PCI_DMA_TODEVICE);
j ^= 1;
if (j == 0) {
@ -977,11 +977,11 @@ static inline unsigned int make_sgl(const struct sk_buff *skb,
nfrags = skb_shinfo(skb)->nr_frags;
for (i = 0; i < nfrags; i++) {
skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
const skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
mapping = skb_frag_dma_map(&pdev->dev, frag, 0, frag->size,
mapping = skb_frag_dma_map(&pdev->dev, frag, 0, skb_frag_size(frag),
DMA_TO_DEVICE);
sgp->len[j] = cpu_to_be32(frag->size);
sgp->len[j] = cpu_to_be32(skb_frag_size(frag));
sgp->addr[j] = cpu_to_be64(mapping);
j ^= 1;
if (j == 0)
@ -1544,7 +1544,7 @@ static void deferred_unmap_destructor(struct sk_buff *skb)
si = skb_shinfo(skb);
for (i = 0; i < si->nr_frags; i++)
pci_unmap_page(dui->pdev, *p++, si->frags[i].size,
pci_unmap_page(dui->pdev, *p++, skb_frag_size(&si->frags[i]),
PCI_DMA_TODEVICE);
}
@ -2118,7 +2118,7 @@ static void lro_add_page(struct adapter *adap, struct sge_qset *qs,
rx_frag += nr_frags;
__skb_frag_set_page(rx_frag, sd->pg_chunk.page);
rx_frag->page_offset = sd->pg_chunk.offset + offset;
rx_frag->size = len;
skb_frag_size_set(rx_frag, len);
skb->len += len;
skb->data_len += len;

26
drivers/net/ethernet/chelsio/cxgb4/sge.c
View File

@ -215,8 +215,8 @@ static int map_skb(struct device *dev, const struct sk_buff *skb,
end = &si->frags[si->nr_frags];
for (fp = si->frags; fp < end; fp++) {
*++addr = dma_map_page(dev, fp->page, fp->page_offset, fp->size,
DMA_TO_DEVICE);
*++addr = dma_map_page(dev, fp->page, fp->page_offset,
skb_frag_size(fp), DMA_TO_DEVICE);
if (dma_mapping_error(dev, *addr))
goto unwind;
}
@ -224,7 +224,7 @@ static int map_skb(struct device *dev, const struct sk_buff *skb,
unwind:
while (fp-- > si->frags)
dma_unmap_page(dev, *--addr, fp->size, DMA_TO_DEVICE);
dma_unmap_page(dev, *--addr, skb_frag_size(fp), DMA_TO_DEVICE);
dma_unmap_single(dev, addr[-1], skb_headlen(skb), DMA_TO_DEVICE);
out_err:
@ -243,7 +243,7 @@ static void unmap_skb(struct device *dev, const struct sk_buff *skb,
si = skb_shinfo(skb);
end = &si->frags[si->nr_frags];
for (fp = si->frags; fp < end; fp++)
dma_unmap_page(dev, *addr++, fp->size, DMA_TO_DEVICE);
dma_unmap_page(dev, *addr++, skb_frag_size(fp), DMA_TO_DEVICE);
}
/**
@ -717,7 +717,7 @@ static void write_sgl(const struct sk_buff *skb, struct sge_txq *q,
sgl->addr0 = cpu_to_be64(addr[0] + start);
nfrags++;
} else {
sgl->len0 = htonl(si->frags[0].size);
sgl->len0 = htonl(skb_frag_size(&si->frags[0]));
sgl->addr0 = cpu_to_be64(addr[1]);
}
@ -732,13 +732,13 @@ static void write_sgl(const struct sk_buff *skb, struct sge_txq *q,
to = (u8 *)end > (u8 *)q->stat ? buf : sgl->sge;
for (i = (nfrags != si->nr_frags); nfrags >= 2; nfrags -= 2, to++) {
to->len[0] = cpu_to_be32(si->frags[i].size);
to->len[1] = cpu_to_be32(si->frags[++i].size);
to->len[0] = cpu_to_be32(skb_frag_size(&si->frags[i]));
to->len[1] = cpu_to_be32(skb_frag_size(&si->frags[++i]));
to->addr[0] = cpu_to_be64(addr[i]);
to->addr[1] = cpu_to_be64(addr[++i]);
}
if (nfrags) {
to->len[0] = cpu_to_be32(si->frags[i].size);
to->len[0] = cpu_to_be32(skb_frag_size(&si->frags[i]));
to->len[1] = cpu_to_be32(0);
to->addr[0] = cpu_to_be64(addr[i + 1]);
}
@ -1417,7 +1417,7 @@ static inline void copy_frags(struct skb_shared_info *ssi,
/* usually there's just one frag */
ssi->frags[0].page = gl->frags[0].page;
ssi->frags[0].page_offset = gl->frags[0].page_offset + offset;
ssi->frags[0].size = gl->frags[0].size - offset;
skb_frag_size_set(&ssi->frags[0], skb_frag_size(&gl->frags[0]) - offset);
ssi->nr_frags = gl->nfrags;
n = gl->nfrags - 1;
if (n)
@ -1718,8 +1718,8 @@ static int process_responses(struct sge_rspq *q, int budget)
bufsz = get_buf_size(rsd);
fp->page = rsd->page;
fp->page_offset = q->offset;
fp->size = min(bufsz, len);
len -= fp->size;
skb_frag_size_set(fp, min(bufsz, len));
len -= skb_frag_size(fp);
if (!len)
break;
unmap_rx_buf(q->adap, &rxq->fl);
@ -1731,7 +1731,7 @@ static int process_responses(struct sge_rspq *q, int budget)
*/
dma_sync_single_for_cpu(q->adap->pdev_dev,
get_buf_addr(rsd),
fp->size, DMA_FROM_DEVICE);
skb_frag_size(fp), DMA_FROM_DEVICE);
si.va = page_address(si.frags[0].page) +
si.frags[0].page_offset;
@ -1740,7 +1740,7 @@ static int process_responses(struct sge_rspq *q, int budget)
si.nfrags = frags + 1;
ret = q->handler(q, q->cur_desc, &si);
if (likely(ret == 0))
q->offset += ALIGN(fp->size, FL_ALIGN);
q->offset += ALIGN(skb_frag_size(fp), FL_ALIGN);
else
restore_rx_bufs(&si, &rxq->fl, frags);
} else if (likely(rsp_type == RSP_TYPE_CPL)) {

26
drivers/net/ethernet/chelsio/cxgb4vf/sge.c
View File

@ -296,8 +296,8 @@ static int map_skb(struct device *dev, const struct sk_buff *skb,
si = skb_shinfo(skb);
end = &si->frags[si->nr_frags];
for (fp = si->frags; fp < end; fp++) {
*++addr = dma_map_page(dev, fp->page, fp->page_offset, fp->size,
DMA_TO_DEVICE);
*++addr = dma_map_page(dev, fp->page, fp->page_offset,
skb_frag_size(fp), DMA_TO_DEVICE);
if (dma_mapping_error(dev, *addr))
goto unwind;
}
@ -305,7 +305,7 @@ static int map_skb(struct device *dev, const struct sk_buff *skb,
unwind:
while (fp-- > si->frags)
dma_unmap_page(dev, *--addr, fp->size, DMA_TO_DEVICE);
dma_unmap_page(dev, *--addr, skb_frag_size(fp), DMA_TO_DEVICE);
dma_unmap_single(dev, addr[-1], skb_headlen(skb), DMA_TO_DEVICE);
out_err:
@ -899,7 +899,7 @@ static void write_sgl(const struct sk_buff *skb, struct sge_txq *tq,
sgl->addr0 = cpu_to_be64(addr[0] + start);
nfrags++;
} else {
sgl->len0 = htonl(si->frags[0].size);
sgl->len0 = htonl(skb_frag_size(&si->frags[0]));
sgl->addr0 = cpu_to_be64(addr[1]);
}
@ -915,13 +915,13 @@ static void write_sgl(const struct sk_buff *skb, struct sge_txq *tq,
to = (u8 *)end > (u8 *)tq->stat ? buf : sgl->sge;
for (i = (nfrags != si->nr_frags); nfrags >= 2; nfrags -= 2, to++) {
to->len[0] = cpu_to_be32(si->frags[i].size);
to->len[1] = cpu_to_be32(si->frags[++i].size);
to->len[0] = cpu_to_be32(skb_frag_size(&si->frags[i]));
to->len[1] = cpu_to_be32(skb_frag_size(&si->frags[++i]));
to->addr[0] = cpu_to_be64(addr[i]);
to->addr[1] = cpu_to_be64(addr[++i]);
}
if (nfrags) {
to->len[0] = cpu_to_be32(si->frags[i].size);
to->len[0] = cpu_to_be32(skb_frag_size(&si->frags[i]));
to->len[1] = cpu_to_be32(0);
to->addr[0] = cpu_to_be64(addr[i + 1]);
}
@ -1399,7 +1399,7 @@ struct sk_buff *t4vf_pktgl_to_skb(const struct pkt_gl *gl,
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;
skb_frag_size_set(&ssi->frags[0], skb_frag_size(&gl->frags[0]) - pull_len);
if (gl->nfrags > 1)
memcpy(&ssi->frags[1], &gl->frags[1],
(gl->nfrags-1) * sizeof(skb_frag_t));
@ -1451,7 +1451,7 @@ static inline void copy_frags(struct skb_shared_info *si,
/* usually there's just one frag */
si->frags[0].page = gl->frags[0].page;
si->frags[0].page_offset = gl->frags[0].page_offset + offset;
si->frags[0].size = gl->frags[0].size - offset;
skb_frag_size_set(&si->frags[0], skb_frag_size(&gl->frags[0]) - offset);
si->nr_frags = gl->nfrags;
n = gl->nfrags - 1;
@ -1702,8 +1702,8 @@ int process_responses(struct sge_rspq *rspq, int budget)
bufsz = get_buf_size(sdesc);
fp->page = sdesc->page;
fp->page_offset = rspq->offset;
fp->size = min(bufsz, len);
len -= fp->size;
skb_frag_size_set(fp, min(bufsz, len));
len -= skb_frag_size(fp);
if (!len)
break;
unmap_rx_buf(rspq->adapter, &rxq->fl);
@ -1717,7 +1717,7 @@ int process_responses(struct sge_rspq *rspq, int budget)
*/
dma_sync_single_for_cpu(rspq->adapter->pdev_dev,
get_buf_addr(sdesc),
fp->size, DMA_FROM_DEVICE);
skb_frag_size(fp), DMA_FROM_DEVICE);
gl.va = (page_address(gl.frags[0].page) +
gl.frags[0].page_offset);
prefetch(gl.va);
@ -1728,7 +1728,7 @@ int process_responses(struct sge_rspq *rspq, int budget)
*/
ret = rspq->handler(rspq, rspq->cur_desc, &gl);
if (likely(ret == 0))
rspq->offset += ALIGN(fp->size, FL_ALIGN);
rspq->offset += ALIGN(skb_frag_size(fp), FL_ALIGN);
else
restore_rx_bufs(&gl, &rxq->fl, frag);
} else if (likely(rsp_type == RSP_TYPE_CPL)) {

12
drivers/net/ethernet/cisco/enic/enic_main.c
View File

@ -599,16 +599,16 @@ static inline void enic_queue_wq_skb_cont(struct enic *enic,
struct vnic_wq *wq, struct sk_buff *skb,
unsigned int len_left, int loopback)
{
skb_frag_t *frag;
const skb_frag_t *frag;
/* Queue additional data fragments */
for (frag = skb_shinfo(skb)->frags; len_left; frag++) {
len_left -= frag->size;
len_left -= skb_frag_size(frag);
enic_queue_wq_desc_cont(wq, skb,
skb_frag_dma_map(&enic->pdev->dev,
frag, 0, frag->size,
frag, 0, skb_frag_size(frag),
DMA_TO_DEVICE),
frag->size,
skb_frag_size(frag),
(len_left == 0), /* EOP? */
loopback);
}
@ -717,8 +717,8 @@ static inline void enic_queue_wq_skb_tso(struct enic *enic,
* for additional data fragments
*/
for (frag = skb_shinfo(skb)->frags; len_left; frag++) {
len_left -= frag->size;
frag_len_left = frag->size;
len_left -= skb_frag_size(frag);
frag_len_left = skb_frag_size(frag);
offset = 0;
while (frag_len_left) {

18
drivers/net/ethernet/emulex/benet/be_main.c
View File

@ -636,17 +636,17 @@ static int make_tx_wrbs(struct be_adapter *adapter, struct be_queue_info *txq,
}
for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
struct skb_frag_struct *frag =
const struct skb_frag_struct *frag =
&skb_shinfo(skb)->frags[i];
busaddr = skb_frag_dma_map(dev, frag, 0,
frag->size, DMA_TO_DEVICE);
skb_frag_size(frag), DMA_TO_DEVICE);
if (dma_mapping_error(dev, busaddr))
goto dma_err;
wrb = queue_head_node(txq);
wrb_fill(wrb, busaddr, frag->size);
wrb_fill(wrb, busaddr, skb_frag_size(frag));
be_dws_cpu_to_le(wrb, sizeof(*wrb));
queue_head_inc(txq);
copied += frag->size;
copied += skb_frag_size(frag);
}
if (dummy_wrb) {
@ -1069,7 +1069,7 @@ static void skb_fill_rx_data(struct be_adapter *adapter, struct be_rx_obj *rxo,
skb_frag_set_page(skb, 0, page_info->page);
skb_shinfo(skb)->frags[0].page_offset =
page_info->page_offset + hdr_len;
skb_shinfo(skb)->frags[0].size = curr_frag_len - hdr_len;
skb_frag_size_set(&skb_shinfo(skb)->frags[0], curr_frag_len - hdr_len);
skb->data_len = curr_frag_len - hdr_len;
skb->truesize += rx_frag_size;
skb->tail += hdr_len;
@ -1095,13 +1095,13 @@ static void skb_fill_rx_data(struct be_adapter *adapter, struct be_rx_obj *rxo,
skb_frag_set_page(skb, j, page_info->page);
skb_shinfo(skb)->frags[j].page_offset =
page_info->page_offset;
skb_shinfo(skb)->frags[j].size = 0;
skb_frag_size_set(&skb_shinfo(skb)->frags[j], 0);
skb_shinfo(skb)->nr_frags++;
} else {
put_page(page_info->page);
}
skb_shinfo(skb)->frags[j].size += curr_frag_len;
skb_frag_size_add(&skb_shinfo(skb)->frags[j], curr_frag_len);
skb->len += curr_frag_len;
skb->data_len += curr_frag_len;
skb->truesize += rx_frag_size;
@ -1176,11 +1176,11 @@ static void be_rx_compl_process_gro(struct be_adapter *adapter,
skb_frag_set_page(skb, j, page_info->page);
skb_shinfo(skb)->frags[j].page_offset =
page_info->page_offset;
skb_shinfo(skb)->frags[j].size = 0;
skb_frag_size_set(&skb_shinfo(skb)->frags[j], 0);
} else {
put_page(page_info->page);
}
skb_shinfo(skb)->frags[j].size += curr_frag_len;
skb_frag_size_add(&skb_shinfo(skb)->frags[j], curr_frag_len);
skb->truesize += rx_frag_size;
remaining -= curr_frag_len;
index_inc(&rxcp->rxq_idx, rxq->len);

4
drivers/net/ethernet/ibm/ehea/ehea_main.c
View File

@ -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++;
}

2
drivers/net/ethernet/ibm/emac/core.c
View File

@ -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;

6
drivers/net/ethernet/ibm/ibmveth.c
View File

@ -1014,15 +1014,15 @@ static netdev_tx_t ibmveth_start_xmit(struct sk_buff *skb,
/* 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;
}

6
drivers/net/ethernet/intel/e1000/e1000_main.c
View File

@ -2894,10 +2894,10 @@ static int e1000_tx_map(struct e1000_adapter *adapter,
}
for (f = 0; f < nr_frags; f++) {
struct skb_frag_struct *frag;
const struct skb_frag_struct *frag;
frag = &skb_shinfo(skb)->frags[f];
len = frag->size;
len = skb_frag_size(frag);
offset = 0;
while (len) {
@ -3183,7 +3183,7 @@ static netdev_tx_t e1000_xmit_frame(struct sk_buff *skb,
nr_frags = skb_shinfo(skb)->nr_frags;
for (f = 0; f < nr_frags; f++)
count += TXD_USE_COUNT(skb_shinfo(skb)->frags[f].size,
count += TXD_USE_COUNT(skb_frag_size(&skb_shinfo(skb)->frags[f]),
max_txd_pwr);
if (adapter->pcix_82544)
count += nr_frags;

6
drivers/net/ethernet/intel/e1000e/netdev.c
View File

@ -4673,10 +4673,10 @@ static int e1000_tx_map(struct e1000_adapter *adapter,
}
for (f = 0; f < nr_frags; f++) {
struct skb_frag_struct *frag;
const struct skb_frag_struct *frag;
frag = &skb_shinfo(skb)->frags[f];
len = frag->size;
len = skb_frag_size(frag);
offset = 0;
while (len) {
@ -4943,7 +4943,7 @@ static netdev_tx_t e1000_xmit_frame(struct sk_buff *skb,
nr_frags = skb_shinfo(skb)->nr_frags;
for (f = 0; f < nr_frags; f++)
count += TXD_USE_COUNT(skb_shinfo(skb)->frags[f].size,
count += TXD_USE_COUNT(skb_frag_size(&skb_shinfo(skb)->frags[f]),
max_txd_pwr);
if (adapter->hw.mac.tx_pkt_filtering)

2
drivers/net/ethernet/intel/igb/igb_main.c
View File

@ -4268,7 +4268,7 @@ static void igb_tx_map(struct igb_ring *tx_ring,
i = 0;
}
size = frag->size;
size = skb_frag_size(frag);
data_len -= size;
dma = skb_frag_dma_map(tx_ring->dev, frag, 0,

4
drivers/net/ethernet/intel/igbvf/netdev.c
View File

@ -2045,7 +2045,7 @@ static inline int igbvf_tx_map_adv(struct igbvf_adapter *adapter,
for (f = 0; f < skb_shinfo(skb)->nr_frags; f++) {
struct skb_frag_struct *frag;
const struct skb_frag_struct *frag;
count++;
i++;
@ -2053,7 +2053,7 @@ static inline int igbvf_tx_map_adv(struct igbvf_adapter *adapter,
i = 0;
frag = &skb_shinfo(skb)->frags[f];
len = frag->size;
len = skb_frag_size(frag);
buffer_info = &tx_ring->buffer_info[i];
BUG_ON(len >= IGBVF_MAX_DATA_PER_TXD);

4
drivers/net/ethernet/intel/ixgb/ixgb_main.c
View File

@ -1383,10 +1383,10 @@ ixgb_tx_map(struct ixgb_adapter *adapter, struct sk_buff *skb,
}
for (f = 0; f < nr_frags; f++) {
struct skb_frag_struct *frag;
const struct skb_frag_struct *frag;
frag = &skb_shinfo(skb)->frags[f];
len = frag->size;
len = skb_frag_size(frag);
offset = 0;
while (len) {

4
drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
View File

@ -6545,9 +6545,9 @@ static void ixgbe_tx_map(struct ixgbe_ring *tx_ring,
frag = &skb_shinfo(skb)->frags[f];
#ifdef IXGBE_FCOE
size = min_t(unsigned int, data_len, frag->size);
size = min_t(unsigned int, data_len, skb_frag_size(frag));
#else
size = frag->size;
size = skb_frag_size(frag);
#endif
data_len -= size;
f++;

6
drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c
View File

@ -2912,10 +2912,10 @@ static int ixgbevf_tx_map(struct ixgbevf_adapter *adapter,
}
for (f = 0; f < nr_frags; f++) {
struct skb_frag_struct *frag;
const struct skb_frag_struct *frag;
frag = &skb_shinfo(skb)->frags[f];
len = min((unsigned int)frag->size, total);
len = min((unsigned int)skb_frag_size(frag), total);
offset = 0;
while (len) {
@ -3096,7 +3096,7 @@ static int ixgbevf_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
count += TXD_USE_COUNT(skb_headlen(skb));
for (f = 0; f < skb_shinfo(skb)->nr_frags; f++)
count += TXD_USE_COUNT(skb_shinfo(skb)->frags[f].size);
count += TXD_USE_COUNT(skb_frag_size(&skb_shinfo(skb)->frags[f]));
if (ixgbevf_maybe_stop_tx(netdev, tx_ring, count)) {
adapter->tx_busy++;

4
drivers/net/ethernet/jme.c
View File

@ -1920,7 +1920,7 @@ jme_map_tx_skb(struct jme_adapter *jme, struct sk_buff *skb, int idx)
u8 hidma = jme->dev->features & NETIF_F_HIGHDMA;
int i, nr_frags = skb_shinfo(skb)->nr_frags;
int mask = jme->tx_ring_mask;
struct skb_frag_struct *frag;
const struct skb_frag_struct *frag;
u32 len;
for (i = 0 ; i < nr_frags ; ++i) {
@ -1930,7 +1930,7 @@ jme_map_tx_skb(struct jme_adapter *jme, struct sk_buff *skb, int idx)
jme_fill_tx_map(jme->pdev, ctxdesc, ctxbi,
skb_frag_page(frag),
frag->page_offset, frag->size, hidma);
frag->page_offset, skb_frag_size(frag), hidma);
}
len = skb_is_nonlinear(skb) ? skb_headlen(skb) : skb->len;

9
drivers/net/ethernet/marvell/mv643xx_eth.c
View File

@ -713,8 +713,9 @@ static inline unsigned int has_tiny_unaligned_frags(struct sk_buff *skb)
int frag;
for (frag = 0; frag < skb_shinfo(skb)->nr_frags; frag++) {
skb_frag_t *fragp = &skb_shinfo(skb)->frags[frag];
if (fragp->size <= 8 && fragp->page_offset & 7)
const skb_frag_t *fragp = &skb_shinfo(skb)->frags[frag];
if (skb_frag_size(fragp) <= 8 && fragp->page_offset & 7)
return 1;
}
@ -751,10 +752,10 @@ static void txq_submit_frag_skb(struct tx_queue *txq, struct sk_buff *skb)
}
desc->l4i_chk = 0;
desc->byte_cnt = this_frag->size;
desc->byte_cnt = skb_frag_size(this_frag);
desc->buf_ptr = skb_frag_dma_map(mp->dev->dev.parent,
this_frag, 0,
this_frag->size,
skb_frag_size(this_frag),
DMA_TO_DEVICE);
}
}

8
drivers/net/ethernet/marvell/skge.c
View File

@ -2770,10 +2770,10 @@ static netdev_tx_t skge_xmit_frame(struct sk_buff *skb,
control |= BMU_STFWD;
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];
map = skb_frag_dma_map(&hw->pdev->dev, frag, 0,
frag->size, DMA_TO_DEVICE);
skb_frag_size(frag), DMA_TO_DEVICE);
e = e->next;
e->skb = skb;
@ -2783,9 +2783,9 @@ static netdev_tx_t skge_xmit_frame(struct sk_buff *skb,
tf->dma_lo = map;
tf->dma_hi = (u64) map >> 32;
dma_unmap_addr_set(e, mapaddr, map);
dma_unmap_len_set(e, maplen, frag->size);
dma_unmap_len_set(e, maplen, skb_frag_size(frag));
tf->control = BMU_OWN | BMU_SW | control | frag->size;
tf->control = BMU_OWN | BMU_SW | control | skb_frag_size(frag);
}
tf->control |= BMU_EOF | BMU_IRQ_EOF;
}

16
drivers/net/ethernet/marvell/sky2.c
View File

@ -1225,10 +1225,10 @@ static int sky2_rx_map_skb(struct pci_dev *pdev, struct rx_ring_info *re,
dma_unmap_len_set(re, data_size, size);
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];
re->frag_addr[i] = skb_frag_dma_map(&pdev->dev, frag, 0,
frag->size,
skb_frag_size(frag),
DMA_FROM_DEVICE);
if (dma_mapping_error(&pdev->dev, re->frag_addr[i]))
@ -1239,7 +1239,7 @@ static int sky2_rx_map_skb(struct pci_dev *pdev, struct rx_ring_info *re,
map_page_error:
while (--i >= 0) {
pci_unmap_page(pdev, re->frag_addr[i],
skb_shinfo(skb)->frags[i].size,
skb_frag_size(&skb_shinfo(skb)->frags[i]),
PCI_DMA_FROMDEVICE);
}
@ -1263,7 +1263,7 @@ static void sky2_rx_unmap_skb(struct pci_dev *pdev, struct rx_ring_info *re)
for (i = 0; i < skb_shinfo(skb)->nr_frags; i++)
pci_unmap_page(pdev, re->frag_addr[i],
skb_shinfo(skb)->frags[i].size,
skb_frag_size(&skb_shinfo(skb)->frags[i]),
PCI_DMA_FROMDEVICE);
}
@ -1936,7 +1936,7 @@ static netdev_tx_t sky2_xmit_frame(struct sk_buff *skb,
const skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
mapping = skb_frag_dma_map(&hw->pdev->dev, frag, 0,
frag->size, DMA_TO_DEVICE);
skb_frag_size(frag), DMA_TO_DEVICE);
if (dma_mapping_error(&hw->pdev->dev, mapping))
goto mapping_unwind;
@ -1952,11 +1952,11 @@ static netdev_tx_t sky2_xmit_frame(struct sk_buff *skb,
re = sky2->tx_ring + slot;
re->flags = TX_MAP_PAGE;
dma_unmap_addr_set(re, mapaddr, mapping);
dma_unmap_len_set(re, maplen, frag->size);
dma_unmap_len_set(re, maplen, skb_frag_size(frag));
le = get_tx_le(sky2, &slot);
le->addr = cpu_to_le32(lower_32_bits(mapping));
le->length = cpu_to_le16(frag->size);
le->length = cpu_to_le16(skb_frag_size(frag));
le->ctrl = ctrl;
le->opcode = OP_BUFFER | HW_OWNER;
}
@ -2484,7 +2484,7 @@ static void skb_put_frags(struct sk_buff *skb, unsigned int hdr_space,
} else {
size = min(length, (unsigned) PAGE_SIZE);
frag->size = size;
skb_frag_size_set(frag, size);
skb->data_len += size;
skb->truesize += PAGE_SIZE;
skb->len += size;

14
drivers/net/ethernet/mellanox/mlx4/en_rx.c
View File

@ -135,7 +135,7 @@ static void mlx4_en_init_rx_desc(struct mlx4_en_priv *priv,
/* Set size and memtype fields */
for (i = 0; i < priv->num_frags; i++) {
skb_frags[i].size = priv->frag_info[i].frag_size;
skb_frag_size_set(&skb_frags[i], priv->frag_info[i].frag_size);
rx_desc->data[i].byte_count =
cpu_to_be32(priv->frag_info[i].frag_size);
rx_desc->data[i].lkey = cpu_to_be32(priv->mdev->mr.key);
@ -194,7 +194,7 @@ static void mlx4_en_free_rx_desc(struct mlx4_en_priv *priv,
dma = be64_to_cpu(rx_desc->data[nr].addr);
en_dbg(DRV, priv, "Unmapping buffer at dma:0x%llx\n", (u64) dma);
pci_unmap_single(mdev->pdev, dma, skb_frags[nr].size,
pci_unmap_single(mdev->pdev, dma, skb_frag_size(&skb_frags[nr]),
PCI_DMA_FROMDEVICE);
put_page(skb_frags[nr].page);
}
@ -421,7 +421,7 @@ static int mlx4_en_complete_rx_desc(struct mlx4_en_priv *priv,
/* Save page reference in skb */
skb_frags_rx[nr].page = skb_frags[nr].page;
skb_frags_rx[nr].size = skb_frags[nr].size;
skb_frag_size_set(&skb_frags_rx[nr], skb_frag_size(&skb_frags[nr]));
skb_frags_rx[nr].page_offset = skb_frags[nr].page_offset;
dma = be64_to_cpu(rx_desc->data[nr].addr);
@ -430,13 +430,13 @@ static int mlx4_en_complete_rx_desc(struct mlx4_en_priv *priv,
goto fail;
/* Unmap buffer */
pci_unmap_single(mdev->pdev, dma, skb_frags_rx[nr].size,
pci_unmap_single(mdev->pdev, dma, skb_frag_size(&skb_frags_rx[nr]),
PCI_DMA_FROMDEVICE);
}
/* Adjust size of last fragment to match actual length */
if (nr > 0)
skb_frags_rx[nr - 1].size = length -
priv->frag_info[nr - 1].frag_prefix_size;
skb_frag_size_set(&skb_frags_rx[nr - 1],
length - priv->frag_info[nr - 1].frag_prefix_size);
return nr;
fail:
@ -506,7 +506,7 @@ static struct sk_buff *mlx4_en_rx_skb(struct mlx4_en_priv *priv,
skb_shinfo(skb)->frags[0].page_offset += HEADER_COPY_SIZE;
/* Adjust size of first fragment */
skb_shinfo(skb)->frags[0].size -= HEADER_COPY_SIZE;
skb_frag_size_sub(&skb_shinfo(skb)->frags[0], HEADER_COPY_SIZE);
skb->data_len = length - HEADER_COPY_SIZE;
}
return skb;

12
drivers/net/ethernet/mellanox/mlx4/en_tx.c
View File

@ -226,7 +226,7 @@ static u32 mlx4_en_free_tx_desc(struct mlx4_en_priv *priv,
frag = &skb_shinfo(skb)->frags[i];
pci_unmap_page(mdev->pdev,
(dma_addr_t) be64_to_cpu(data[i].addr),
frag->size, PCI_DMA_TODEVICE);
skb_frag_size(frag), PCI_DMA_TODEVICE);
}
}
/* Stamp the freed descriptor */
@ -256,7 +256,7 @@ static u32 mlx4_en_free_tx_desc(struct mlx4_en_priv *priv,
frag = &skb_shinfo(skb)->frags[i];
pci_unmap_page(mdev->pdev,
(dma_addr_t) be64_to_cpu(data->addr),
frag->size, PCI_DMA_TODEVICE);
skb_frag_size(frag), PCI_DMA_TODEVICE);
++data;
}
}
@ -550,7 +550,7 @@ static void build_inline_wqe(struct mlx4_en_tx_desc *tx_desc, struct sk_buff *sk
skb_copy_from_linear_data(skb, inl + 1, skb_headlen(skb));
if (skb_shinfo(skb)->nr_frags)
memcpy(((void *)(inl + 1)) + skb_headlen(skb), fragptr,
skb_shinfo(skb)->frags[0].size);
skb_frag_size(&skb_shinfo(skb)->frags[0]));
} else {
inl->byte_count = cpu_to_be32(1 << 31 | spc);
@ -570,7 +570,7 @@ static void build_inline_wqe(struct mlx4_en_tx_desc *tx_desc, struct sk_buff *sk
skb_headlen(skb) - spc);
if (skb_shinfo(skb)->nr_frags)
memcpy(((void *)(inl + 1)) + skb_headlen(skb) - spc,
fragptr, skb_shinfo(skb)->frags[0].size);
fragptr, skb_frag_size(&skb_shinfo(skb)->frags[0]));
}
wmb();
@ -757,11 +757,11 @@ netdev_tx_t mlx4_en_xmit(struct sk_buff *skb, struct net_device *dev)
for (i = skb_shinfo(skb)->nr_frags - 1; i >= 0; i--) {
frag = &skb_shinfo(skb)->frags[i];
dma = pci_map_page(mdev->dev->pdev, frag->page, frag->page_offset,
frag->size, PCI_DMA_TODEVICE);
skb_frag_size(frag), PCI_DMA_TODEVICE);
data->addr = cpu_to_be64(dma);
data->lkey = cpu_to_be32(mdev->mr.key);
wmb();
data->byte_count = cpu_to_be32(frag->size);
data->byte_count = cpu_to_be32(skb_frag_size(frag));
--data;
}

2
drivers/net/ethernet/micrel/ksz884x.c
View File

@ -4700,7 +4700,7 @@ static void send_packet(struct sk_buff *skb, struct net_device *dev)
++hw->tx_int_cnt;
dma_buf = DMA_BUFFER(desc);
dma_buf->len = this_frag->size;
dma_buf->len = skb_frag_size(this_frag);
dma_buf->dma = pci_map_single(
hw_priv->pdev,

14
drivers/net/ethernet/myricom/myri10ge/myri10ge.c
View File

@ -1216,7 +1216,7 @@ myri10ge_rx_skb_build(struct sk_buff *skb, u8 * va,
skb_frags = skb_shinfo(skb)->frags;
while (len > 0) {
memcpy(skb_frags, rx_frags, sizeof(*skb_frags));
len -= rx_frags->size;
len -= skb_frag_size(rx_frags);
skb_frags++;
rx_frags++;
skb_shinfo(skb)->nr_frags++;
@ -1228,7 +1228,7 @@ myri10ge_rx_skb_build(struct sk_buff *skb, u8 * va,
* manually */
skb_copy_to_linear_data(skb, va, hlen);
skb_shinfo(skb)->frags[0].page_offset += hlen;
skb_shinfo(skb)->frags[0].size -= hlen;
skb_frag_size_sub(&skb_shinfo(skb)->frags[0], hlen);
skb->data_len -= hlen;
skb->tail += hlen;
skb_pull(skb, MXGEFW_PAD);
@ -1345,9 +1345,9 @@ myri10ge_rx_done(struct myri10ge_slice_state *ss, int len, __wsum csum,
__skb_frag_set_page(&rx_frags[i], rx->info[idx].page);
rx_frags[i].page_offset = rx->info[idx].page_offset;
if (remainder < MYRI10GE_ALLOC_SIZE)
rx_frags[i].size = remainder;
skb_frag_size_set(&rx_frags[i], remainder);
else
rx_frags[i].size = MYRI10GE_ALLOC_SIZE;
skb_frag_size_set(&rx_frags[i], MYRI10GE_ALLOC_SIZE);
rx->cnt++;
idx = rx->cnt & rx->mask;
remainder -= MYRI10GE_ALLOC_SIZE;
@ -1355,7 +1355,7 @@ myri10ge_rx_done(struct myri10ge_slice_state *ss, int len, __wsum csum,
if (lro_enabled) {
rx_frags[0].page_offset += MXGEFW_PAD;
rx_frags[0].size -= MXGEFW_PAD;
skb_frag_size_sub(&rx_frags[0], MXGEFW_PAD);
len -= MXGEFW_PAD;
lro_receive_frags(&ss->rx_done.lro_mgr, rx_frags,
/* opaque, will come back in get_frag_header */
@ -1382,7 +1382,7 @@ myri10ge_rx_done(struct myri10ge_slice_state *ss, int len, __wsum csum,
/* Attach the pages to the skb, and trim off any padding */
myri10ge_rx_skb_build(skb, va, rx_frags, len, hlen);
if (skb_shinfo(skb)->frags[0].size <= 0) {
if (skb_frag_size(&skb_shinfo(skb)->frags[0]) <= 0) {
skb_frag_unref(skb, 0);
skb_shinfo(skb)->nr_frags = 0;
}
@ -2926,7 +2926,7 @@ static netdev_tx_t myri10ge_xmit(struct sk_buff *skb,
idx = (count + tx->req) & tx->mask;
frag = &skb_shinfo(skb)->frags[frag_idx];
frag_idx++;
len = frag->size;
len = skb_frag_size(frag);
bus = skb_frag_dma_map(&mgp->pdev->dev, frag, 0, len,
DMA_TO_DEVICE);
dma_unmap_addr_set(&tx->info[idx], bus, bus);

4
drivers/net/ethernet/natsemi/ns83820.c
View File

@ -1161,11 +1161,11 @@ static netdev_tx_t ns83820_hard_start_xmit(struct sk_buff *skb,
break;
buf = skb_frag_dma_map(&dev->pci_dev->dev, frag, 0,
frag->size, DMA_TO_DEVICE);
skb_frag_size(frag), DMA_TO_DEVICE);
dprintk("frag: buf=%08Lx page=%08lx offset=%08lx\n",
(long long)buf, (long) page_to_pfn(frag->page),
frag->page_offset);
len = frag->size;
len = skb_frag_size(frag);
frag++;
nr_frags--;
}

12
drivers/net/ethernet/neterion/s2io.c
View File

@ -2350,12 +2350,12 @@ static struct sk_buff *s2io_txdl_getskb(struct fifo_info *fifo_data,
if (frg_cnt) {
txds++;
for (j = 0; j < frg_cnt; j++, txds++) {
skb_frag_t *frag = &skb_shinfo(skb)->frags[j];
const skb_frag_t *frag = &skb_shinfo(skb)->frags[j];
if (!txds->Buffer_Pointer)
break;
pci_unmap_page(nic->pdev,
(dma_addr_t)txds->Buffer_Pointer,
frag->size, PCI_DMA_TODEVICE);
skb_frag_size(frag), PCI_DMA_TODEVICE);
}
}
memset(txdlp, 0, (sizeof(struct TxD) * fifo_data->max_txds));
@ -4185,16 +4185,16 @@ static netdev_tx_t s2io_xmit(struct sk_buff *skb, struct net_device *dev)
frg_cnt = skb_shinfo(skb)->nr_frags;
/* For fragmented SKB. */
for (i = 0; i < frg_cnt; i++) {
skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
const skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
/* A '0' length fragment will be ignored */
if (!frag->size)
if (!skb_frag_size(frag))
continue;
txdp++;
txdp->Buffer_Pointer = (u64)skb_frag_dma_map(&sp->pdev->dev,
frag, 0,
frag->size,
skb_frag_size(frag),
DMA_TO_DEVICE);
txdp->Control_1 = TXD_BUFFER0_SIZE(frag->size);
txdp->Control_1 = TXD_BUFFER0_SIZE(skb_frag_size(frag));
if (offload_type == SKB_GSO_UDP)
txdp->Control_1 |= TXD_UFO_EN;
}

12
drivers/net/ethernet/neterion/vxge/vxge-main.c
View File

@ -585,7 +585,7 @@ vxge_xmit_compl(struct __vxge_hw_fifo *fifo_hw, void *dtr,
for (j = 0; j < frg_cnt; j++) {
pci_unmap_page(fifo->pdev,
txd_priv->dma_buffers[i++],
frag->size, PCI_DMA_TODEVICE);
skb_frag_size(frag), PCI_DMA_TODEVICE);
frag += 1;
}
@ -920,11 +920,11 @@ vxge_xmit(struct sk_buff *skb, struct net_device *dev)
frag = &skb_shinfo(skb)->frags[0];
for (i = 0; i < frg_cnt; i++) {
/* ignore 0 length fragment */
if (!frag->size)
if (!skb_frag_size(frag))
continue;
dma_pointer = (u64)skb_frag_dma_map(&fifo->pdev->dev, frag,
0, frag->size,
0, skb_frag_size(frag),
DMA_TO_DEVICE);
if (unlikely(dma_mapping_error(&fifo->pdev->dev, dma_pointer)))
@ -936,7 +936,7 @@ vxge_xmit(struct sk_buff *skb, struct net_device *dev)
txdl_priv->dma_buffers[j] = dma_pointer;
vxge_hw_fifo_txdl_buffer_set(fifo_hw, dtr, j++, dma_pointer,
frag->size);
skb_frag_size(frag));
frag += 1;
}
@ -979,7 +979,7 @@ vxge_xmit(struct sk_buff *skb, struct net_device *dev)
for (; j < i; j++) {
pci_unmap_page(fifo->pdev, txdl_priv->dma_buffers[j],
frag->size, PCI_DMA_TODEVICE);
skb_frag_size(frag), PCI_DMA_TODEVICE);
frag += 1;
}
@ -1050,7 +1050,7 @@ vxge_tx_term(void *dtrh, enum vxge_hw_txdl_state state, void *userdata)
for (j = 0; j < frg_cnt; j++) {
pci_unmap_page(fifo->pdev, txd_priv->dma_buffers[i++],
frag->size, PCI_DMA_TODEVICE);
skb_frag_size(frag), PCI_DMA_TODEVICE);
frag += 1;
}

18
drivers/net/ethernet/nvidia/forcedeth.c
View File

@ -2099,8 +2099,10 @@ static netdev_tx_t nv_start_xmit(struct sk_buff *skb, struct net_device *dev)
/* add fragments to entries count */
for (i = 0; i < fragments; i++) {
entries += (skb_shinfo(skb)->frags[i].size >> NV_TX2_TSO_MAX_SHIFT) +
((skb_shinfo(skb)->frags[i].size & (NV_TX2_TSO_MAX_SIZE-1)) ? 1 : 0);
u32 size = skb_frag_size(&skb_shinfo(skb)->frags[i]);
entries += (size >> NV_TX2_TSO_MAX_SHIFT) +
((size & (NV_TX2_TSO_MAX_SIZE-1)) ? 1 : 0);
}
spin_lock_irqsave(&np->lock, flags);
@ -2138,8 +2140,8 @@ static netdev_tx_t nv_start_xmit(struct sk_buff *skb, struct net_device *dev)
/* setup the fragments */
for (i = 0; i < fragments; i++) {
skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
u32 size = frag->size;
const skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
u32 size = skb_frag_size(frag);
offset = 0;
do {
@ -2211,8 +2213,10 @@ static netdev_tx_t nv_start_xmit_optimized(struct sk_buff *skb,
/* add fragments to entries count */
for (i = 0; i < fragments; i++) {
entries += (skb_shinfo(skb)->frags[i].size >> NV_TX2_TSO_MAX_SHIFT) +
((skb_shinfo(skb)->frags[i].size & (NV_TX2_TSO_MAX_SIZE-1)) ? 1 : 0);
u32 size = skb_frag_size(&skb_shinfo(skb)->frags[i]);
entries += (size >> NV_TX2_TSO_MAX_SHIFT) +
((size & (NV_TX2_TSO_MAX_SIZE-1)) ? 1 : 0);
}
spin_lock_irqsave(&np->lock, flags);
@ -2253,7 +2257,7 @@ static netdev_tx_t nv_start_xmit_optimized(struct sk_buff *skb,
/* setup the fragments */
for (i = 0; i < fragments; i++) {
skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
u32 size = frag->size;
u32 size = skb_frag_size(frag);
offset = 0;
do {

8
drivers/net/ethernet/pasemi/pasemi_mac.c
View File

@ -300,9 +300,9 @@ static int pasemi_mac_unmap_tx_skb(struct pasemi_mac *mac,
pci_unmap_single(pdev, dmas[0], skb_headlen(skb), PCI_DMA_TODEVICE);
for (f = 0; f < nfrags; f++) {
skb_frag_t *frag = &skb_shinfo(skb)->frags[f];
const skb_frag_t *frag = &skb_shinfo(skb)->frags[f];
pci_unmap_page(pdev, dmas[f+1], frag->size, PCI_DMA_TODEVICE);
pci_unmap_page(pdev, dmas[f+1], skb_frag_size(frag), PCI_DMA_TODEVICE);
}
dev_kfree_skb_irq(skb);
@ -1506,8 +1506,8 @@ static int pasemi_mac_start_tx(struct sk_buff *skb, struct net_device *dev)
skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
map[i + 1] = skb_frag_dma_map(&mac->dma_pdev->dev, frag, 0,
frag->size, DMA_TO_DEVICE);
map_size[i+1] = frag->size;
skb_frag_size(frag), DMA_TO_DEVICE);
map_size[i+1] = skb_frag_size(frag);
if (dma_mapping_error(&mac->dma_pdev->dev, map[i + 1])) {
nfrags = i;
goto out_err_nolock;

6
drivers/net/ethernet/qlogic/netxen/netxen_nic_main.c
View File

@ -1905,13 +1905,13 @@ netxen_map_tx_skb(struct pci_dev *pdev,
frag = &skb_shinfo(skb)->frags[i];
nf = &pbuf->frag_array[i+1];
map = skb_frag_dma_map(&pdev->dev, frag, 0, frag->size,
map = skb_frag_dma_map(&pdev->dev, frag, 0, skb_frag_size(frag),
DMA_TO_DEVICE);
if (dma_mapping_error(&pdev->dev, map))
goto unwind;
nf->dma = map;
nf->length = frag->size;
nf->length = skb_frag_size(frag);
}
return 0;
@ -1962,7 +1962,7 @@ netxen_nic_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
for (i = 0; i < (frag_count - NETXEN_MAX_FRAGS_PER_TX); i++) {
frag = &skb_shinfo(skb)->frags[i];
delta += frag->size;
delta += skb_frag_size(frag);
}
if (!__pskb_pull_tail(skb, delta))

6
drivers/net/ethernet/qlogic/qla3xxx.c
View File

@ -2388,7 +2388,7 @@ static int ql_send_map(struct ql3_adapter *qdev,
seg++;
}
map = skb_frag_dma_map(&qdev->pdev->dev, frag, 0, frag->size,
map = skb_frag_dma_map(&qdev->pdev->dev, frag, 0, skb_frag_size(frag),
DMA_TO_DEVICE);
err = dma_mapping_error(&qdev->pdev->dev, map);
@ -2401,9 +2401,9 @@ static int ql_send_map(struct ql3_adapter *qdev,
oal_entry->dma_lo = cpu_to_le32(LS_64BITS(map));
oal_entry->dma_hi = cpu_to_le32(MS_64BITS(map));
oal_entry->len = cpu_to_le32(frag->size);
oal_entry->len = cpu_to_le32(skb_frag_size(frag));
dma_unmap_addr_set(&tx_cb->map[seg], mapaddr, map);
dma_unmap_len_set(&tx_cb->map[seg], maplen, frag->size);
dma_unmap_len_set(&tx_cb->map[seg], maplen, skb_frag_size(frag));
}
/* Terminate the last segment. */
oal_entry->len |= cpu_to_le32(OAL_LAST_ENTRY);

6
drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
View File

@ -2135,13 +2135,13 @@ qlcnic_map_tx_skb(struct pci_dev *pdev,
frag = &skb_shinfo(skb)->frags[i];
nf = &pbuf->frag_array[i+1];
map = skb_frag_dma_map(&pdev->dev, frag, 0, frag->size,
map = skb_frag_dma_map(&pdev->dev, frag, 0, skb_frag_size(frag),
DMA_TO_DEVICE);
if (dma_mapping_error(&pdev->dev, map))
goto unwind;
nf->dma = map;
nf->length = frag->size;
nf->length = skb_frag_size(frag);
}
return 0;
@ -2221,7 +2221,7 @@ qlcnic_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
if (!skb_is_gso(skb) && frag_count > QLCNIC_MAX_FRAGS_PER_TX) {
for (i = 0; i < (frag_count - QLCNIC_MAX_FRAGS_PER_TX); i++)
delta += skb_shinfo(skb)->frags[i].size;
delta += skb_frag_size(&skb_shinfo(skb)->frags[i]);
if (!__pskb_pull_tail(skb, delta))
goto drop_packet;

6
drivers/net/ethernet/qlogic/qlge/qlge_main.c
View File

@ -1431,7 +1431,7 @@ static int ql_map_send(struct ql_adapter *qdev,
map_idx++;
}
map = skb_frag_dma_map(&qdev->pdev->dev, frag, 0, frag->size,
map = skb_frag_dma_map(&qdev->pdev->dev, frag, 0, skb_frag_size(frag),
DMA_TO_DEVICE);
err = dma_mapping_error(&qdev->pdev->dev, map);
@ -1443,10 +1443,10 @@ static int ql_map_send(struct ql_adapter *qdev,
}
tbd->addr = cpu_to_le64(map);
tbd->len = cpu_to_le32(frag->size);
tbd->len = cpu_to_le32(skb_frag_size(frag));
dma_unmap_addr_set(&tx_ring_desc->map[map_idx], mapaddr, map);
dma_unmap_len_set(&tx_ring_desc->map[map_idx], maplen,
frag->size);
skb_frag_size(frag));
}
/* Save the number of segments we've mapped. */

4
drivers/net/ethernet/realtek/8139cp.c
View File

@ -777,12 +777,12 @@ static netdev_tx_t cp_start_xmit (struct sk_buff *skb,
entry = NEXT_TX(entry);
for (frag = 0; frag < skb_shinfo(skb)->nr_frags; frag++) {
skb_frag_t *this_frag = &skb_shinfo(skb)->frags[frag];
const skb_frag_t *this_frag = &skb_shinfo(skb)->frags[frag];
u32 len;
u32 ctrl;
dma_addr_t mapping;
len = this_frag->size;
len = skb_frag_size(this_frag);
mapping = dma_map_single(&cp->pdev->dev,
skb_frag_address(this_frag),
len, PCI_DMA_TODEVICE);

4
drivers/net/ethernet/realtek/r8169.c
View File

@ -5413,7 +5413,7 @@ static int rtl8169_xmit_frags(struct rtl8169_private *tp, struct sk_buff *skb,
entry = tp->cur_tx;
for (cur_frag = 0; cur_frag < info->nr_frags; cur_frag++) {
skb_frag_t *frag = info->frags + cur_frag;
const skb_frag_t *frag = info->frags + cur_frag;
dma_addr_t mapping;
u32 status, len;
void *addr;
@ -5421,7 +5421,7 @@ static int rtl8169_xmit_frags(struct rtl8169_private *tp, struct sk_buff *skb,
entry = (entry + 1) % NUM_TX_DESC;
txd = tp->TxDescArray + entry;
len = frag->size;
len = skb_frag_size(frag);
addr = skb_frag_address(frag);
mapping = dma_map_single(d, addr, len, DMA_TO_DEVICE);
if (unlikely(dma_mapping_error(d, mapping))) {

2
drivers/net/ethernet/sfc/rx.c
View File

@ -481,7 +481,7 @@ static void efx_rx_packet_gro(struct efx_channel *channel,
skb_frag_set_page(skb, 0, page);
skb_shinfo(skb)->frags[0].page_offset =
efx_rx_buf_offset(efx, rx_buf);
skb_shinfo(skb)->frags[0].size = rx_buf->len;
skb_frag_size_set(&skb_shinfo(skb)->frags[0], rx_buf->len);
skb_shinfo(skb)->nr_frags = 1;
skb->len = rx_buf->len;

8
drivers/net/ethernet/sfc/tx.c
View File

@ -238,7 +238,7 @@ netdev_tx_t efx_enqueue_skb(struct efx_tx_queue *tx_queue, struct sk_buff *skb)
if (i >= skb_shinfo(skb)->nr_frags)
break;
fragment = &skb_shinfo(skb)->frags[i];
len = fragment->size;
len = skb_frag_size(fragment);
i++;
/* Map for DMA */
unmap_single = false;
@ -926,11 +926,11 @@ static int tso_get_fragment(struct tso_state *st, struct efx_nic *efx,
skb_frag_t *frag)
{
st->unmap_addr = skb_frag_dma_map(&efx->pci_dev->dev, frag, 0,
frag->size, DMA_TO_DEVICE);
skb_frag_size(frag), DMA_TO_DEVICE);
if (likely(!dma_mapping_error(&efx->pci_dev->dev, st->unmap_addr))) {
st->unmap_single = false;
st->unmap_len = frag->size;
st->in_len = frag->size;
st->unmap_len = skb_frag_size(frag);
st->in_len = skb_frag_size(frag);
st->dma_addr = st->unmap_addr;
return 0;
}

4
drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
View File

@ -1106,8 +1106,8 @@ static netdev_tx_t stmmac_xmit(struct sk_buff *skb, struct net_device *dev)
}
for (i = 0; i < nfrags; i++) {
skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
int len = frag->size;
const skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
int len = skb_frag_size(frag);
entry = (++priv->cur_tx) % txsize;
desc = priv->dma_tx + entry;

8
drivers/net/ethernet/sun/cassini.c
View File

@ -2051,7 +2051,7 @@ static int cas_rx_process_pkt(struct cas *cp, struct cas_rx_comp *rxc,
__skb_frag_set_page(frag, page->buffer);
__skb_frag_ref(frag);
frag->page_offset = off;
frag->size = hlen - swivel;
skb_frag_size_set(frag, hlen - swivel);
/* any more data? */
if ((words[0] & RX_COMP1_SPLIT_PKT) && ((dlen -= hlen) > 0)) {
@ -2075,7 +2075,7 @@ static int cas_rx_process_pkt(struct cas *cp, struct cas_rx_comp *rxc,
__skb_frag_set_page(frag, page->buffer);
__skb_frag_ref(frag);
frag->page_offset = 0;
frag->size = hlen;
skb_frag_size_set(frag, hlen);
RX_USED_ADD(page, hlen + cp->crc_size);
}
@ -2826,9 +2826,9 @@ static inline int cas_xmit_tx_ringN(struct cas *cp, int ring,
entry = TX_DESC_NEXT(ring, entry);
for (frag = 0; frag < nr_frags; frag++) {
skb_frag_t *fragp = &skb_shinfo(skb)->frags[frag];
const skb_frag_t *fragp = &skb_shinfo(skb)->frags[frag];
len = fragp->size;
len = skb_frag_size(fragp);
mapping = skb_frag_dma_map(&cp->pdev->dev, fragp, 0, len,
DMA_TO_DEVICE);

6
drivers/net/ethernet/sun/niu.c
View File

@ -3594,7 +3594,7 @@ static int release_tx_packet(struct niu *np, struct tx_ring_info *rp, int idx)
tb = &rp->tx_buffs[idx];
BUG_ON(tb->skb != NULL);
np->ops->unmap_page(np->device, tb->mapping,
skb_shinfo(skb)->frags[i].size,
skb_frag_size(&skb_shinfo(skb)->frags[i]),
DMA_TO_DEVICE);
idx = NEXT_TX(rp, idx);
}
@ -6727,9 +6727,9 @@ static netdev_tx_t niu_start_xmit(struct sk_buff *skb,
}
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];
len = frag->size;
len = skb_frag_size(frag);
mapping = np->ops->map_page(np->device, skb_frag_page(frag),
frag->page_offset, len,
DMA_TO_DEVICE);

4
drivers/net/ethernet/sun/sungem.c
View File

@ -1065,12 +1065,12 @@ static netdev_tx_t gem_start_xmit(struct sk_buff *skb,
entry = NEXT_TX(entry);
for (frag = 0; frag < skb_shinfo(skb)->nr_frags; frag++) {
skb_frag_t *this_frag = &skb_shinfo(skb)->frags[frag];
const skb_frag_t *this_frag = &skb_shinfo(skb)->frags[frag];
u32 len;
dma_addr_t mapping;
u64 this_ctrl;
len = this_frag->size;
len = skb_frag_size(this_frag);
mapping = skb_frag_dma_map(&gp->pdev->dev, this_frag,
0, len, DMA_TO_DEVICE);
this_ctrl = ctrl;

4
drivers/net/ethernet/sun/sunhme.c
View File

@ -2305,10 +2305,10 @@ static netdev_tx_t happy_meal_start_xmit(struct sk_buff *skb,
entry = NEXT_TX(entry);
for (frag = 0; frag < skb_shinfo(skb)->nr_frags; frag++) {
skb_frag_t *this_frag = &skb_shinfo(skb)->frags[frag];
const skb_frag_t *this_frag = &skb_shinfo(skb)->frags[frag];
u32 len, mapping, this_txflags;
len = this_frag->size;
len = skb_frag_size(this_frag);
mapping = skb_frag_dma_map(hp->dma_dev, this_frag,
0, len, DMA_TO_DEVICE);
this_txflags = tx_flags;

6
drivers/net/ethernet/tehuti/tehuti.c
View File

@ -1493,12 +1493,12 @@ bdx_tx_map_skb(struct bdx_priv *priv, struct sk_buff *skb,
bdx_tx_db_inc_wptr(db);
for (i = 0; i < nr_frags; i++) {
struct skb_frag_struct *frag;
const struct skb_frag_struct *frag;
frag = &skb_shinfo(skb)->frags[i];
db->wptr->len = frag->size;
db->wptr->len = skb_frag_size(frag);
db->wptr->addr.dma = skb_frag_dma_map(&priv->pdev->dev, frag,
0, frag->size,
0, skb_frag_size(frag),
DMA_TO_DEVICE);
pbl++;

2
drivers/net/ethernet/tile/tilepro.c
View File

@ -1713,7 +1713,7 @@ static unsigned int tile_net_tx_frags(lepp_frag_t *frags,
cpa = ((phys_addr_t)pfn << PAGE_SHIFT) + f->page_offset;
frags[n].cpa_lo = cpa;
frags[n].cpa_hi = cpa >> 32;
frags[n].length = f->size;
frags[n].length = skb_frag_size(f);
frags[n].hash_for_home = hash_for_home;
n++;
}

6
drivers/net/ethernet/tundra/tsi108_eth.c
View File

@ -709,13 +709,13 @@ static int tsi108_send_packet(struct sk_buff * skb, struct net_device *dev)
data->txring[tx].len = skb_headlen(skb);
misc |= TSI108_TX_SOF;
} else {
skb_frag_t *frag = &skb_shinfo(skb)->frags[i - 1];
const skb_frag_t *frag = &skb_shinfo(skb)->frags[i - 1];
data->txring[tx].buf0 = skb_frag_dma_map(NULL, frag,
0,
frag->size,
skb_frag_size(frag),
DMA_TO_DEVICE);
data->txring[tx].len = frag->size;
data->txring[tx].len = skb_frag_size(frag);
}
if (i == frags - 1)

6
drivers/net/ethernet/via/via-velocity.c
View File

@ -2554,16 +2554,16 @@ static netdev_tx_t velocity_xmit(struct sk_buff *skb,
/* Handle fragments */
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];
tdinfo->skb_dma[i + 1] = skb_frag_dma_map(&vptr->pdev->dev,
frag, 0,
frag->size,
skb_frag_size(frag),
DMA_TO_DEVICE);
td_ptr->td_buf[i + 1].pa_low = cpu_to_le32(tdinfo->skb_dma[i + 1]);
td_ptr->td_buf[i + 1].pa_high = 0;
td_ptr->td_buf[i + 1].size = cpu_to_le16(frag->size);
td_ptr->td_buf[i + 1].size = cpu_to_le16(skb_frag_size(frag));
}
tdinfo->nskb_dma = i + 1;

4
drivers/net/ethernet/xilinx/ll_temac_main.c
View File

@ -716,8 +716,8 @@ static int temac_start_xmit(struct sk_buff *skb, struct net_device *ndev)
cur_p = &lp->tx_bd_v[lp->tx_bd_tail];
cur_p->phys = dma_map_single(ndev->dev.parent,
skb_frag_address(frag),
frag->size, DMA_TO_DEVICE);
cur_p->len = frag->size;
frag_size(frag), DMA_TO_DEVICE);
cur_p->len = frag_size(frag);
cur_p->app0 = 0;
frag++;
}

8
drivers/net/virtio_net.c
View File

@ -147,14 +147,14 @@ static void set_skb_frag(struct sk_buff *skb, struct page *page,
skb_frag_t *f;
f = &skb_shinfo(skb)->frags[i];
f->size = min((unsigned)PAGE_SIZE - offset, *len);
skb_frag_size_set(f, min((unsigned)PAGE_SIZE - offset, *len));
f->page_offset = offset;
__skb_frag_set_page(f, page);
skb->data_len += f->size;
skb->len += f->size;
skb->data_len += skb_frag_size(f);
skb->len += skb_frag_size(f);
skb_shinfo(skb)->nr_frags++;
*len -= f->size;
*len -= skb_frag_size(f);
}
static struct sk_buff *page_to_skb(struct virtnet_info *vi,

12
drivers/net/vmxnet3/vmxnet3_drv.c
View File

@ -656,8 +656,8 @@ vmxnet3_append_frag(struct sk_buff *skb, struct Vmxnet3_RxCompDesc *rcd,
__skb_frag_set_page(frag, rbi->page);
frag->page_offset = 0;
frag->size = rcd->len;
skb->data_len += frag->size;
skb_frag_size_set(frag, rcd->len);
skb->data_len += rcd->len;
skb->truesize += PAGE_SIZE;
skb_shinfo(skb)->nr_frags++;
}
@ -745,21 +745,21 @@ vmxnet3_map_pkt(struct sk_buff *skb, struct vmxnet3_tx_ctx *ctx,
}
for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
struct skb_frag_struct *frag = &skb_shinfo(skb)->frags[i];
const struct skb_frag_struct *frag = &skb_shinfo(skb)->frags[i];
tbi = tq->buf_info + tq->tx_ring.next2fill;
tbi->map_type = VMXNET3_MAP_PAGE;
tbi->dma_addr = skb_frag_dma_map(&adapter->pdev->dev, frag,
0, frag->size,
0, skb_frag_size(frag),
DMA_TO_DEVICE);
tbi->len = frag->size;
tbi->len = skb_frag_size(frag);
gdesc = tq->tx_ring.base + tq->tx_ring.next2fill;
BUG_ON(gdesc->txd.gen == tq->tx_ring.gen);
gdesc->txd.addr = cpu_to_le64(tbi->dma_addr);
gdesc->dword[2] = cpu_to_le32(dw2 | frag->size);
gdesc->dword[2] = cpu_to_le32(dw2 | skb_frag_size(frag));
gdesc->dword[3] = 0;
dev_dbg(&adapter->netdev->dev,

4
drivers/net/xen-netback/netback.c
View File

@ -334,7 +334,7 @@ unsigned int xen_netbk_count_skb_slots(struct xenvif *vif, struct sk_buff *skb)
count++;
for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
unsigned long size = skb_shinfo(skb)->frags[i].size;
unsigned long size = skb_frag_size(&skb_shinfo(skb)->frags[i]);
unsigned long bytes;
while (size > 0) {
BUG_ON(copy_off > MAX_BUFFER_OFFSET);
@ -526,7 +526,7 @@ static int netbk_gop_skb(struct sk_buff *skb,
for (i = 0; i < nr_frags; i++) {
netbk_gop_frag_copy(vif, skb, npo,
skb_frag_page(&skb_shinfo(skb)->frags[i]),
skb_shinfo(skb)->frags[i].size,
skb_frag_size(&skb_shinfo(skb)->frags[i]),
skb_shinfo(skb)->frags[i].page_offset,
&head);
}

4
drivers/net/xen-netfront.c
View File

@ -467,7 +467,7 @@ static void xennet_make_frags(struct sk_buff *skb, struct net_device *dev,
tx->gref = np->grant_tx_ref[id] = ref;
tx->offset = frag->page_offset;
tx->size = frag->size;
tx->size = skb_frag_size(frag);
tx->flags = 0;
}
@ -965,7 +965,7 @@ static int xennet_poll(struct napi_struct *napi, int budget)
if (rx->status > len) {
skb_shinfo(skb)->frags[0].page_offset =
rx->offset + len;
skb_shinfo(skb)->frags[0].size = rx->status - len;
skb_frag_size_set(&skb_shinfo(skb)->frags[0], rx->status - len);
skb->data_len = rx->status - len;
} else {
__skb_fill_page_desc(skb, 0, NULL, 0, 0);

10
drivers/scsi/cxgbi/libcxgbi.c
View File

@ -1814,8 +1814,8 @@ static int sgl_read_to_frags(struct scatterlist *sg, unsigned int sgoffset,
copy = min(datalen, sglen);
if (i && page == frags[i - 1].page &&
sgoffset + sg->offset ==
frags[i - 1].page_offset + frags[i - 1].size) {
frags[i - 1].size += copy;
frags[i - 1].page_offset + skb_frag_size(&frags[i - 1])) {
skb_frag_size_add(&frags[i - 1], copy);
} else {
if (i >= frag_max) {
pr_warn("too many pages %u, dlen %u.\n",
@ -1825,7 +1825,7 @@ static int sgl_read_to_frags(struct scatterlist *sg, unsigned int sgoffset,
frags[i].page = page;
frags[i].page_offset = sg->offset + sgoffset;
frags[i].size = copy;
skb_frag_size_set(&frags[i], copy);
i++;
}
datalen -= copy;
@ -1951,8 +1951,8 @@ int cxgbi_conn_init_pdu(struct iscsi_task *task, unsigned int offset,
char *src = kmap_atomic(frag->page,
KM_SOFTIRQ0);
memcpy(dst, src+frag->page_offset, frag->size);
dst += frag->size;
memcpy(dst, src+frag->page_offset, skb_frag_size(frag));
dst += skb_frag_size(frag);
kunmap_atomic(src, KM_SOFTIRQ0);
}
if (padlen) {

2
drivers/scsi/fcoe/fcoe_transport.c
View File

@ -105,7 +105,7 @@ u32 fcoe_fc_crc(struct fc_frame *fp)
for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
frag = &skb_shinfo(skb)->frags[i];
off = frag->page_offset;
len = frag->size;
len = skb_frag_size(frag);
while (len > 0) {
clen = min(len, PAGE_SIZE - (off & ~PAGE_MASK));
data = kmap_atomic(

4
drivers/staging/hv/netvsc_drv.c
View File

@ -169,11 +169,11 @@ static int netvsc_start_xmit(struct sk_buff *skb, struct net_device *net)
/* Additional fragments are after SKB data */
for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
skb_frag_t *f = &skb_shinfo(skb)->frags[i];
const skb_frag_t *f = &skb_shinfo(skb)->frags[i];
packet->page_buf[i+2].pfn = page_to_pfn(skb_frag_page(f));
packet->page_buf[i+2].offset = f->page_offset;
packet->page_buf[i+2].len = f->size;
packet->page_buf[i+2].len = skb_frag_size(f);
}
/* Set the completion routine */

28
include/linux/skbuff.h
View File

@ -150,6 +150,26 @@ struct skb_frag_struct {
#endif
};
static inline unsigned int skb_frag_size(const skb_frag_t *frag)
{
return frag->size;
}
static inline void skb_frag_size_set(skb_frag_t *frag, unsigned int size)
{
frag->size = size;
}
static inline void skb_frag_size_add(skb_frag_t *frag, int delta)
{
frag->size += delta;
}
static inline void skb_frag_size_sub(skb_frag_t *frag, int delta)
{
frag->size -= delta;
}
#define HAVE_HW_TIME_STAMP
/**
@ -1132,7 +1152,7 @@ static inline int skb_pagelen(const struct sk_buff *skb)
int i, len = 0;
for (i = (int)skb_shinfo(skb)->nr_frags - 1; i >= 0; i--)
len += skb_shinfo(skb)->frags[i].size;
len += skb_frag_size(&skb_shinfo(skb)->frags[i]);
return len + skb_headlen(skb);
}
@ -1156,7 +1176,7 @@ static inline void __skb_fill_page_desc(struct sk_buff *skb, int i,
frag->page = page;
frag->page_offset = off;
frag->size = size;
skb_frag_size_set(frag, size);
}
/**
@ -1907,10 +1927,10 @@ static inline int skb_can_coalesce(struct sk_buff *skb, int i,
const struct page *page, int off)
{
if (i) {
struct skb_frag_struct *frag = &skb_shinfo(skb)->frags[i - 1];
const struct skb_frag_struct *frag = &skb_shinfo(skb)->frags[i - 1];
return page == skb_frag_page(frag) &&
off == frag->page_offset + frag->size;
off == frag->page_offset + skb_frag_size(frag);
}
return 0;
}

5
net/appletalk/ddp.c
View File

@ -951,13 +951,12 @@ static unsigned long atalk_sum_skb(const struct sk_buff *skb, int offset,
/* checksum stuff in frags */
for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
int end;
const skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
WARN_ON(start > offset + len);
end = start + skb_shinfo(skb)->frags[i].size;
end = start + skb_frag_size(frag);
if ((copy = end - offset) > 0) {
u8 *vaddr;
skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
if (copy > len)
copy = len;

16
net/core/datagram.c
View File

@ -324,14 +324,14 @@ int skb_copy_datagram_iovec(const struct sk_buff *skb, int offset,
/* Copy paged appendix. Hmm... why does this look so complicated? */
for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
int end;
const skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
WARN_ON(start > offset + len);
end = start + skb_shinfo(skb)->frags[i].size;
end = start + skb_frag_size(frag);
if ((copy = end - offset) > 0) {
int err;
u8 *vaddr;
skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
struct page *page = skb_frag_page(frag);
if (copy > len)
@ -410,14 +410,14 @@ int skb_copy_datagram_const_iovec(const struct sk_buff *skb, int offset,
/* Copy paged appendix. Hmm... why does this look so complicated? */
for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
int end;
const skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
WARN_ON(start > offset + len);
end = start + skb_shinfo(skb)->frags[i].size;
end = start + skb_frag_size(frag);
if ((copy = end - offset) > 0) {
int err;
u8 *vaddr;
skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
struct page *page = skb_frag_page(frag);
if (copy > len)
@ -500,14 +500,14 @@ int skb_copy_datagram_from_iovec(struct sk_buff *skb, int offset,
/* Copy paged appendix. Hmm... why does this look so complicated? */
for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
int end;
const skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
WARN_ON(start > offset + len);
end = start + skb_shinfo(skb)->frags[i].size;
end = start + skb_frag_size(frag);
if ((copy = end - offset) > 0) {
int err;
u8 *vaddr;
skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
struct page *page = skb_frag_page(frag);
if (copy > len)
@ -585,15 +585,15 @@ static int skb_copy_and_csum_datagram(const struct sk_buff *skb, int offset,
for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
int end;
const skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
WARN_ON(start > offset + len);
end = start + skb_shinfo(skb)->frags[i].size;
end = start + skb_frag_size(frag);
if ((copy = end - offset) > 0) {
__wsum csum2;
int err = 0;
u8 *vaddr;
skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
struct page *page = skb_frag_page(frag);
if (copy > len)

6
net/core/dev.c
View File

@ -3489,9 +3489,9 @@ enum gro_result dev_gro_receive(struct napi_struct *napi, struct sk_buff *skb)
skb->data_len -= grow;
skb_shinfo(skb)->frags[0].page_offset += grow;
skb_shinfo(skb)->frags[0].size -= grow;
skb_frag_size_sub(&skb_shinfo(skb)->frags[0], grow);
if (unlikely(!skb_shinfo(skb)->frags[0].size)) {
if (unlikely(!skb_frag_size(&skb_shinfo(skb)->frags[0]))) {
skb_frag_unref(skb, 0);
memmove(skb_shinfo(skb)->frags,
skb_shinfo(skb)->frags + 1,
@ -3559,7 +3559,7 @@ void skb_gro_reset_offset(struct sk_buff *skb)
!PageHighMem(skb_frag_page(&skb_shinfo(skb)->frags[0]))) {
NAPI_GRO_CB(skb)->frag0 =
skb_frag_address(&skb_shinfo(skb)->frags[0]);
NAPI_GRO_CB(skb)->frag0_len = skb_shinfo(skb)->frags[0].size;
NAPI_GRO_CB(skb)->frag0_len = skb_frag_size(&skb_shinfo(skb)->frags[0]);
}
}
EXPORT_SYMBOL(skb_gro_reset_offset);

12
net/core/pktgen.c
View File

@ -2606,13 +2606,13 @@ static void pktgen_finalize_skb(struct pktgen_dev *pkt_dev, struct sk_buff *skb,
skb_shinfo(skb)->frags[i].page_offset = 0;
/*last fragment, fill rest of data*/
if (i == (frags - 1))
skb_shinfo(skb)->frags[i].size =
(datalen < PAGE_SIZE ? datalen : PAGE_SIZE);
skb_frag_size_set(&skb_shinfo(skb)->frags[i],
(datalen < PAGE_SIZE ? datalen : PAGE_SIZE));
else
skb_shinfo(skb)->frags[i].size = frag_len;
datalen -= skb_shinfo(skb)->frags[i].size;
skb->len += skb_shinfo(skb)->frags[i].size;
skb->data_len += skb_shinfo(skb)->frags[i].size;
skb_frag_size_set(&skb_shinfo(skb)->frags[i], frag_len);
datalen -= skb_frag_size(&skb_shinfo(skb)->frags[i]);
skb->len += skb_frag_size(&skb_shinfo(skb)->frags[i]);
skb->data_len += skb_frag_size(&skb_shinfo(skb)->frags[i]);
i++;
skb_shinfo(skb)->nr_frags = i;
}

72
net/core/skbuff.c
View File

@ -659,7 +659,7 @@ int skb_copy_ubufs(struct sk_buff *skb, gfp_t gfp_mask)
}
vaddr = kmap_skb_frag(&skb_shinfo(skb)->frags[i]);
memcpy(page_address(page),
vaddr + f->page_offset, f->size);
vaddr + f->page_offset, skb_frag_size(f));
kunmap_skb_frag(vaddr);
page->private = (unsigned long)head;
head = page;
@ -1190,14 +1190,14 @@ int ___pskb_trim(struct sk_buff *skb, unsigned int len)
goto drop_pages;
for (; i < nfrags; i++) {
int end = offset + skb_shinfo(skb)->frags[i].size;
int end = offset + skb_frag_size(&skb_shinfo(skb)->frags[i]);
if (end < len) {
offset = end;
continue;
}
skb_shinfo(skb)->frags[i++].size = len - offset;
skb_frag_size_set(&skb_shinfo(skb)->frags[i++], len - offset);
drop_pages:
skb_shinfo(skb)->nr_frags = i;
@ -1306,9 +1306,11 @@ unsigned char *__pskb_pull_tail(struct sk_buff *skb, int delta)
/* Estimate size of pulled pages. */
eat = delta;
for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
if (skb_shinfo(skb)->frags[i].size >= eat)
int size = skb_frag_size(&skb_shinfo(skb)->frags[i]);
if (size >= eat)
goto pull_pages;
eat -= skb_shinfo(skb)->frags[i].size;
eat -= size;
}
/* If we need update frag list, we are in troubles.
@ -1371,14 +1373,16 @@ unsigned char *__pskb_pull_tail(struct sk_buff *skb, int delta)
eat = delta;
k = 0;
for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
if (skb_shinfo(skb)->frags[i].size <= eat) {
int size = skb_frag_size(&skb_shinfo(skb)->frags[i]);
if (size <= eat) {
skb_frag_unref(skb, i);
eat -= skb_shinfo(skb)->frags[i].size;
eat -= size;
} else {
skb_shinfo(skb)->frags[k] = skb_shinfo(skb)->frags[i];
if (eat) {
skb_shinfo(skb)->frags[k].page_offset += eat;
skb_shinfo(skb)->frags[k].size -= eat;
skb_frag_size_sub(&skb_shinfo(skb)->frags[k], eat);
eat = 0;
}
k++;
@ -1433,7 +1437,7 @@ int skb_copy_bits(const struct sk_buff *skb, int offset, void *to, int len)
WARN_ON(start > offset + len);
end = start + skb_shinfo(skb)->frags[i].size;
end = start + skb_frag_size(&skb_shinfo(skb)->frags[i]);
if ((copy = end - offset) > 0) {
u8 *vaddr;
@ -1632,7 +1636,7 @@ static int __skb_splice_bits(struct sk_buff *skb, struct pipe_inode_info *pipe,
const skb_frag_t *f = &skb_shinfo(skb)->frags[seg];
if (__splice_segment(skb_frag_page(f),
f->page_offset, f->size,
f->page_offset, skb_frag_size(f),
offset, len, skb, spd, 0, sk, pipe))
return 1;
}
@ -1742,7 +1746,7 @@ int skb_store_bits(struct sk_buff *skb, int offset, const void *from, int len)
WARN_ON(start > offset + len);
end = start + frag->size;
end = start + skb_frag_size(frag);
if ((copy = end - offset) > 0) {
u8 *vaddr;
@ -1815,7 +1819,7 @@ __wsum skb_checksum(const struct sk_buff *skb, int offset,
WARN_ON(start > offset + len);
end = start + skb_shinfo(skb)->frags[i].size;
end = start + skb_frag_size(&skb_shinfo(skb)->frags[i]);
if ((copy = end - offset) > 0) {
__wsum csum2;
u8 *vaddr;
@ -1890,7 +1894,7 @@ __wsum skb_copy_and_csum_bits(const struct sk_buff *skb, int offset,
WARN_ON(start > offset + len);
end = start + skb_shinfo(skb)->frags[i].size;
end = start + skb_frag_size(&skb_shinfo(skb)->frags[i]);
if ((copy = end - offset) > 0) {
__wsum csum2;
u8 *vaddr;
@ -2163,7 +2167,7 @@ static inline void skb_split_no_header(struct sk_buff *skb,
skb->data_len = len - pos;
for (i = 0; i < nfrags; i++) {
int size = skb_shinfo(skb)->frags[i].size;
int size = skb_frag_size(&skb_shinfo(skb)->frags[i]);
if (pos + size > len) {
skb_shinfo(skb1)->frags[k] = skb_shinfo(skb)->frags[i];
@ -2179,8 +2183,8 @@ static inline void skb_split_no_header(struct sk_buff *skb,
*/
skb_frag_ref(skb, i);
skb_shinfo(skb1)->frags[0].page_offset += len - pos;
skb_shinfo(skb1)->frags[0].size -= len - pos;
skb_shinfo(skb)->frags[i].size = len - pos;
skb_frag_size_sub(&skb_shinfo(skb1)->frags[0], len - pos);
skb_frag_size_set(&skb_shinfo(skb)->frags[i], len - pos);
skb_shinfo(skb)->nr_frags++;
}
k++;
@ -2258,7 +2262,7 @@ int skb_shift(struct sk_buff *tgt, struct sk_buff *skb, int shiftlen)
} else {
merge = to - 1;
todo -= fragfrom->size;
todo -= skb_frag_size(fragfrom);
if (todo < 0) {
if (skb_prepare_for_shift(skb) ||
skb_prepare_for_shift(tgt))
@ -2268,8 +2272,8 @@ int skb_shift(struct sk_buff *tgt, struct sk_buff *skb, int shiftlen)
fragfrom = &skb_shinfo(skb)->frags[from];
fragto = &skb_shinfo(tgt)->frags[merge];
fragto->size += shiftlen;
fragfrom->size -= shiftlen;
skb_frag_size_add(fragto, shiftlen);
skb_frag_size_sub(fragfrom, shiftlen);
fragfrom->page_offset += shiftlen;
goto onlymerged;
@ -2293,9 +2297,9 @@ int skb_shift(struct sk_buff *tgt, struct sk_buff *skb, int shiftlen)
fragfrom = &skb_shinfo(skb)->frags[from];
fragto = &skb_shinfo(tgt)->frags[to];
if (todo >= fragfrom->size) {
if (todo >= skb_frag_size(fragfrom)) {
*fragto = *fragfrom;
todo -= fragfrom->size;
todo -= skb_frag_size(fragfrom);
from++;
to++;
@ -2303,10 +2307,10 @@ int skb_shift(struct sk_buff *tgt, struct sk_buff *skb, int shiftlen)
__skb_frag_ref(fragfrom);
fragto->page = fragfrom->page;
fragto->page_offset = fragfrom->page_offset;
fragto->size = todo;
skb_frag_size_set(fragto, todo);
fragfrom->page_offset += todo;
fragfrom->size -= todo;
skb_frag_size_sub(fragfrom, todo);
todo = 0;
to++;
@ -2321,7 +2325,7 @@ int skb_shift(struct sk_buff *tgt, struct sk_buff *skb, int shiftlen)
fragfrom = &skb_shinfo(skb)->frags[0];
fragto = &skb_shinfo(tgt)->frags[merge];
fragto->size += fragfrom->size;
skb_frag_size_add(fragto, skb_frag_size(fragfrom));
__skb_frag_unref(fragfrom);
}
@ -2419,7 +2423,7 @@ unsigned int skb_seq_read(unsigned int consumed, const u8 **data,
while (st->frag_idx < skb_shinfo(st->cur_skb)->nr_frags) {
frag = &skb_shinfo(st->cur_skb)->frags[st->frag_idx];
block_limit = frag->size + st->stepped_offset;
block_limit = skb_frag_size(frag) + st->stepped_offset;
if (abs_offset < block_limit) {
if (!st->frag_data)
@ -2437,7 +2441,7 @@ unsigned int skb_seq_read(unsigned int consumed, const u8 **data,
}
st->frag_idx++;
st->stepped_offset += frag->size;
st->stepped_offset += skb_frag_size(frag);
}
if (st->frag_data) {
@ -2567,13 +2571,13 @@ int skb_append_datato_frags(struct sock *sk, struct sk_buff *skb,
left = PAGE_SIZE - frag->page_offset;
copy = (length > left)? left : length;
ret = getfrag(from, skb_frag_address(frag) + frag->size,
ret = getfrag(from, skb_frag_address(frag) + skb_frag_size(frag),
offset, copy, 0, skb);
if (ret < 0)
return -EFAULT;
/* copy was successful so update the size parameters */
frag->size += copy;
skb_frag_size_add(frag, copy);
skb->len += copy;
skb->data_len += copy;
offset += copy;
@ -2720,11 +2724,11 @@ struct sk_buff *skb_segment(struct sk_buff *skb, u32 features)
while (pos < offset + len && i < nfrags) {
*frag = skb_shinfo(skb)->frags[i];
__skb_frag_ref(frag);
size = frag->size;
size = skb_frag_size(frag);
if (pos < offset) {
frag->page_offset += offset - pos;
frag->size -= offset - pos;
skb_frag_size_sub(frag, offset - pos);
}
skb_shinfo(nskb)->nr_frags++;
@ -2733,7 +2737,7 @@ struct sk_buff *skb_segment(struct sk_buff *skb, u32 features)
i++;
pos += size;
} else {
frag->size -= pos + size - (offset + len);
skb_frag_size_sub(frag, pos + size - (offset + len));
goto skip_fraglist;
}
@ -2813,7 +2817,7 @@ int skb_gro_receive(struct sk_buff **head, struct sk_buff *skb)
} while (--i);
frag->page_offset += offset;
frag->size -= offset;
skb_frag_size_sub(frag, offset);
skb->truesize -= skb->data_len;
skb->len -= skb->data_len;
@ -2865,7 +2869,7 @@ int skb_gro_receive(struct sk_buff **head, struct sk_buff *skb)
unsigned int eat = offset - headlen;
skbinfo->frags[0].page_offset += eat;
skbinfo->frags[0].size -= eat;
skb_frag_size_sub(&skbinfo->frags[0], eat);
skb->data_len -= eat;
skb->len -= eat;
offset = headlen;
@ -2936,7 +2940,7 @@ __skb_to_sgvec(struct sk_buff *skb, struct scatterlist *sg, int offset, int len)
WARN_ON(start > offset + len);
end = start + skb_shinfo(skb)->frags[i].size;
end = start + skb_frag_size(&skb_shinfo(skb)->frags[i]);
if ((copy = end - offset) > 0) {
skb_frag_t *frag = &skb_shinfo(skb)->frags[i];

4
net/core/user_dma.c
View File

@ -71,13 +71,13 @@ int dma_skb_copy_datagram_iovec(struct dma_chan *chan,
/* Copy paged appendix. Hmm... why does this look so complicated? */
for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
int end;
const skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
WARN_ON(start > offset + len);
end = start + skb_shinfo(skb)->frags[i].size;
end = start + skb_frag_size(frag);
copy = end - offset;
if (copy > 0) {
skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
struct page *page = skb_frag_page(frag);
if (copy > len)

8
net/ipv4/inet_lro.c
View File

@ -244,11 +244,11 @@ static void lro_add_frags(struct net_lro_desc *lro_desc,
skb->truesize += truesize;
skb_frags[0].page_offset += hlen;
skb_frags[0].size -= hlen;
skb_frag_size_sub(&skb_frags[0], hlen);
while (tcp_data_len > 0) {
*(lro_desc->next_frag) = *skb_frags;
tcp_data_len -= skb_frags->size;
tcp_data_len -= skb_frag_size(skb_frags);
lro_desc->next_frag++;
skb_frags++;
skb_shinfo(skb)->nr_frags++;
@ -400,14 +400,14 @@ static struct sk_buff *lro_gen_skb(struct net_lro_mgr *lro_mgr,
skb_frags = skb_shinfo(skb)->frags;
while (data_len > 0) {
*skb_frags = *frags;
data_len -= frags->size;
data_len -= skb_frag_size(frags);
skb_frags++;
frags++;
skb_shinfo(skb)->nr_frags++;
}
skb_shinfo(skb)->frags[0].page_offset += hdr_len;
skb_shinfo(skb)->frags[0].size -= hdr_len;
skb_frag_size_sub(&skb_shinfo(skb)->frags[0], hdr_len);
skb->ip_summed = ip_summed;
skb->csum = sum;

4
net/ipv4/ip_fragment.c
View File

@ -599,8 +599,8 @@ static int ip_frag_reasm(struct ipq *qp, struct sk_buff *prev,
head->next = clone;
skb_shinfo(clone)->frag_list = skb_shinfo(head)->frag_list;
skb_frag_list_init(head);
for (i=0; i<skb_shinfo(head)->nr_frags; i++)
plen += skb_shinfo(head)->frags[i].size;
for (i = 0; i < skb_shinfo(head)->nr_frags; i++)
plen += skb_frag_size(&skb_shinfo(head)->frags[i]);
clone->len = clone->data_len = head->data_len - plen;
head->data_len -= clone->len;
head->len -= clone->len;

6
net/ipv4/ip_output.c
View File

@ -1015,13 +1015,13 @@ static int __ip_append_data(struct sock *sk,
err = -EMSGSIZE;
goto error;
}
if (getfrag(from, skb_frag_address(frag)+frag->size,
if (getfrag(from, skb_frag_address(frag)+skb_frag_size(frag),
offset, copy, skb->len, skb) < 0) {
err = -EFAULT;
goto error;
}
cork->off += copy;
frag->size += copy;
skb_frag_size_add(frag, copy);
skb->len += copy;
skb->data_len += copy;
skb->truesize += copy;
@ -1230,7 +1230,7 @@ ssize_t ip_append_page(struct sock *sk, struct flowi4 *fl4, struct page *page,
if (len > size)
len = size;
if (skb_can_coalesce(skb, i, page, offset)) {
skb_shinfo(skb)->frags[i-1].size += len;
skb_frag_size_add(&skb_shinfo(skb)->frags[i-1], len);
} else if (i < MAX_SKB_FRAGS) {
get_page(page);
skb_fill_page_desc(skb, i, page, offset, len);

9
net/ipv4/tcp.c
View File

@ -813,7 +813,7 @@ static ssize_t do_tcp_sendpages(struct sock *sk, struct page **pages, int poffse
goto wait_for_memory;
if (can_coalesce) {
skb_shinfo(skb)->frags[i - 1].size += copy;
skb_frag_size_add(&skb_shinfo(skb)->frags[i - 1], copy);
} else {
get_page(page);
skb_fill_page_desc(skb, i, page, offset, copy);
@ -1058,8 +1058,7 @@ int tcp_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
/* Update the skb. */
if (merge) {
skb_shinfo(skb)->frags[i - 1].size +=
copy;
skb_frag_size_add(&skb_shinfo(skb)->frags[i - 1], copy);
} else {
skb_fill_page_desc(skb, i, page, off, copy);
if (TCP_PAGE(sk)) {
@ -3031,8 +3030,8 @@ int tcp_md5_hash_skb_data(struct tcp_md5sig_pool *hp,
for (i = 0; i < shi->nr_frags; ++i) {
const struct skb_frag_struct *f = &shi->frags[i];
struct page *page = skb_frag_page(f);
sg_set_page(&sg, page, f->size, f->page_offset);
if (crypto_hash_update(desc, &sg, f->size))
sg_set_page(&sg, page, skb_frag_size(f), f->page_offset);
if (crypto_hash_update(desc, &sg, skb_frag_size(f)))
return 1;
}

8
net/ipv4/tcp_output.c
View File

@ -1094,14 +1094,16 @@ static void __pskb_trim_head(struct sk_buff *skb, int len)
eat = len;
k = 0;
for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
if (skb_shinfo(skb)->frags[i].size <= eat) {
int size = skb_frag_size(&skb_shinfo(skb)->frags[i]);
if (size <= eat) {
skb_frag_unref(skb, i);
eat -= skb_shinfo(skb)->frags[i].size;
eat -= size;
} else {
skb_shinfo(skb)->frags[k] = skb_shinfo(skb)->frags[i];
if (eat) {
skb_shinfo(skb)->frags[k].page_offset += eat;
skb_shinfo(skb)->frags[k].size -= eat;
skb_frag_size_sub(&skb_shinfo(skb)->frags[k], eat);
eat = 0;
}
k++;

5
net/ipv6/ip6_output.c
View File

@ -1512,13 +1512,14 @@ int ip6_append_data(struct sock *sk, int getfrag(void *from, char *to,
err = -EMSGSIZE;
goto error;
}
if (getfrag(from, skb_frag_address(frag)+frag->size,
if (getfrag(from,
skb_frag_address(frag) + skb_frag_size(frag),
offset, copy, skb->len, skb) < 0) {
err = -EFAULT;
goto error;
}
sk->sk_sndmsg_off += copy;
frag->size += copy;
skb_frag_size_add(frag, copy);
skb->len += copy;
skb->data_len += copy;
skb->truesize += copy;

4
net/ipv6/netfilter/nf_conntrack_reasm.c
View File

@ -378,8 +378,8 @@ nf_ct_frag6_reasm(struct nf_ct_frag6_queue *fq, struct net_device *dev)
head->next = clone;
skb_shinfo(clone)->frag_list = skb_shinfo(head)->frag_list;
skb_frag_list_init(head);
for (i=0; i<skb_shinfo(head)->nr_frags; i++)
plen += skb_shinfo(head)->frags[i].size;
for (i = 0; i < skb_shinfo(head)->nr_frags; i++)
plen += skb_frag_size(&skb_shinfo(head)->frags[i]);
clone->len = clone->data_len = head->data_len - plen;
head->data_len -= clone->len;
head->len -= clone->len;

4
net/ipv6/reassembly.c
View File

@ -464,8 +464,8 @@ static int ip6_frag_reasm(struct frag_queue *fq, struct sk_buff *prev,
head->next = clone;
skb_shinfo(clone)->frag_list = skb_shinfo(head)->frag_list;
skb_frag_list_init(head);
for (i=0; i<skb_shinfo(head)->nr_frags; i++)
plen += skb_shinfo(head)->frags[i].size;
for (i = 0; i < skb_shinfo(head)->nr_frags; i++)
plen += skb_frag_size(&skb_shinfo(head)->frags[i]);
clone->len = clone->data_len = head->data_len - plen;
head->data_len -= clone->len;
head->len -= clone->len;

2
net/xfrm/xfrm_ipcomp.c
View File

@ -90,7 +90,7 @@ static int ipcomp_decompress(struct xfrm_state *x, struct sk_buff *skb)
len = dlen;
frag->page_offset = 0;
frag->size = len;
skb_frag_size_set(frag, len);
memcpy(skb_frag_address(frag), scratch, len);
skb->truesize += len;