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net: Use skb_frag_off accessors 

Use accessor functions for skb fragment's page_offset instead
of direct references, in preparation for bvec conversion.

Signed-off-by: Jonathan Lemon <jonathan.lemon@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
alistair/sunxi64-5.4-dsi
Jonathan Lemon 2019-07-30 07:40:33 -07:00 committed by David S. Miller
parent 7240b60c98
commit b54c9d5bd6
44 changed files with 100 additions and 98 deletions
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2
drivers/atm/eni.c
View File

@ -1136,7 +1136,7 @@ DPRINTK("doing direct send\n"); /* @@@ well, this doesn't work anyway */
else
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_frag_off(&skb_shinfo(skb)->frags[i]),
skb_frag_size(&skb_shinfo(skb)->frags[i]));
}
if (skb->len & 3) {

2
drivers/hsi/clients/ssi_protocol.c
View File

@ -182,7 +182,7 @@ static void ssip_skb_to_msg(struct sk_buff *skb, struct hsi_msg *msg)
BUG_ON(!sg);
frag = &skb_shinfo(skb)->frags[i];
sg_set_page(sg, skb_frag_page(frag), skb_frag_size(frag),
frag->page_offset);
skb_frag_off(frag));
}
}

2
drivers/infiniband/hw/hfi1/vnic_sdma.c
View File

@ -108,7 +108,7 @@ static noinline int build_vnic_ulp_payload(struct sdma_engine *sde,
ret = sdma_txadd_page(sde->dd,
&tx->txreq,
skb_frag_page(frag),
frag->page_offset,
skb_frag_off(frag),
skb_frag_size(frag));
if (unlikely(ret))
goto bail_txadd;

3
drivers/infiniband/ulp/ipoib/ipoib_ib.c
View File

@ -293,7 +293,8 @@ int ipoib_dma_map_tx(struct ib_device *ca, struct ipoib_tx_buf *tx_req)
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, skb_frag_size(frag),
skb_frag_off(frag),
skb_frag_size(frag),
DMA_TO_DEVICE);
if (unlikely(ib_dma_mapping_error(ca, mapping[i + off])))
goto partial_error;

2
drivers/net/ethernet/broadcom/bnxt/bnxt.c
View File

@ -957,7 +957,7 @@ static struct sk_buff *bnxt_rx_page_skb(struct bnxt *bp,
frag = &skb_shinfo(skb)->frags[0];
skb_frag_size_sub(frag, payload);
frag->page_offset += payload;
skb_frag_off_add(frag, payload);
skb->data_len -= payload;
skb->tail += payload;

2
drivers/net/ethernet/cavium/thunder/nicvf_queues.c
View File

@ -1594,7 +1594,7 @@ int nicvf_sq_append_skb(struct nicvf *nic, struct snd_queue *sq,
size = skb_frag_size(frag);
dma_addr = dma_map_page_attrs(&nic->pdev->dev,
skb_frag_page(frag),
frag->page_offset, size,
skb_frag_off(frag), size,
DMA_TO_DEVICE,
DMA_ATTR_SKIP_CPU_SYNC);
if (dma_mapping_error(&nic->pdev->dev, dma_addr)) {

2
drivers/net/ethernet/chelsio/cxgb3/sge.c
View File

@ -2182,7 +2182,7 @@ 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;
skb_frag_off_set(rx_frag, sd->pg_chunk.offset + offset);
skb_frag_size_set(rx_frag, len);
skb->len += len;

12
drivers/net/ethernet/emulex/benet/be_main.c
View File

@ -2346,8 +2346,8 @@ static void skb_fill_rx_data(struct be_rx_obj *rxo, struct sk_buff *skb,
memcpy(skb->data, start, hdr_len);
skb_shinfo(skb)->nr_frags = 1;
skb_frag_set_page(skb, 0, page_info->page);
skb_shinfo(skb)->frags[0].page_offset =
page_info->page_offset + hdr_len;
skb_frag_off_set(&skb_shinfo(skb)->frags[0],
page_info->page_offset + hdr_len);
skb_frag_size_set(&skb_shinfo(skb)->frags[0],
curr_frag_len - hdr_len);
skb->data_len = curr_frag_len - hdr_len;
@ -2372,8 +2372,8 @@ static void skb_fill_rx_data(struct be_rx_obj *rxo, struct sk_buff *skb,
/* Fresh page */
j++;
skb_frag_set_page(skb, j, page_info->page);
skb_shinfo(skb)->frags[j].page_offset =
page_info->page_offset;
skb_frag_off_set(&skb_shinfo(skb)->frags[j],
page_info->page_offset);
skb_frag_size_set(&skb_shinfo(skb)->frags[j], 0);
skb_shinfo(skb)->nr_frags++;
} else {
@ -2454,8 +2454,8 @@ static void be_rx_compl_process_gro(struct be_rx_obj *rxo,
/* First frag or Fresh page */
j++;
skb_frag_set_page(skb, j, page_info->page);
skb_shinfo(skb)->frags[j].page_offset =
page_info->page_offset;
skb_frag_off_set(&skb_shinfo(skb)->frags[j],
page_info->page_offset);
skb_frag_size_set(&skb_shinfo(skb)->frags[j], 0);
} else {
put_page(page_info->page);

2
drivers/net/ethernet/freescale/fs_enet/fs_enet-main.c
View File

@ -501,7 +501,7 @@ fs_enet_start_xmit(struct sk_buff *skb, struct net_device *dev)
nr_frags = skb_shinfo(skb)->nr_frags;
frag = skb_shinfo(skb)->frags;
for (i = 0; i < nr_frags; i++, frag++) {
if (!IS_ALIGNED(frag->page_offset, 4)) {
if (!IS_ALIGNED(skb_frag_off(frag), 4)) {
is_aligned = 0;
break;
}

2
drivers/net/ethernet/ibm/ibmvnic.c
View File

@ -1485,7 +1485,7 @@ static netdev_tx_t ibmvnic_xmit(struct sk_buff *skb, struct net_device *netdev)
memcpy(dst + cur,
page_address(skb_frag_page(frag)) +
frag->page_offset, skb_frag_size(frag));
skb_frag_off(frag), skb_frag_size(frag));
cur += skb_frag_size(frag);
}
} else {

2
drivers/net/ethernet/intel/i40e/i40e_txrx.c
View File

@ -3306,7 +3306,7 @@ bool __i40e_chk_linearize(struct sk_buff *skb)
* descriptor associated with the fragment.
*/
if (stale_size > I40E_MAX_DATA_PER_TXD) {
int align_pad = -(stale->page_offset) &
int align_pad = -(skb_frag_off(stale)) &
(I40E_MAX_READ_REQ_SIZE - 1);
sum -= align_pad;

2
drivers/net/ethernet/intel/iavf/iavf_txrx.c
View File

@ -2205,7 +2205,7 @@ bool __iavf_chk_linearize(struct sk_buff *skb)
* descriptor associated with the fragment.
*/
if (stale_size > IAVF_MAX_DATA_PER_TXD) {
int align_pad = -(stale->page_offset) &
int align_pad = -(skb_frag_off(stale)) &
(IAVF_MAX_READ_REQ_SIZE - 1);
sum -= align_pad;

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

@ -1807,7 +1807,7 @@ static void ixgbe_pull_tail(struct ixgbe_ring *rx_ring,
/* update all of the pointers */
skb_frag_size_sub(frag, pull_len);
frag->page_offset += pull_len;
skb_frag_off_add(frag, pull_len);
skb->data_len -= pull_len;
skb->tail += pull_len;
}
@ -1844,7 +1844,7 @@ static void ixgbe_dma_sync_frag(struct ixgbe_ring *rx_ring,
dma_sync_single_range_for_cpu(rx_ring->dev,
IXGBE_CB(skb)->dma,
frag->page_offset,
skb_frag_off(frag),
skb_frag_size(frag),
DMA_FROM_DEVICE);
}

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

@ -2040,8 +2040,8 @@ jme_map_tx_skb(struct jme_adapter *jme, struct sk_buff *skb, int idx)
ctxbi = txbi + ((idx + i + 2) & (mask));
ret = jme_fill_tx_map(jme->pdev, ctxdesc, ctxbi,
skb_frag_page(frag),
frag->page_offset, skb_frag_size(frag), hidma);
skb_frag_page(frag), skb_frag_off(frag),
skb_frag_size(frag), hidma);
if (ret) {
jme_drop_tx_map(jme, idx, i);
goto out;

2
drivers/net/ethernet/marvell/mv643xx_eth.c
View File

@ -659,7 +659,7 @@ static inline unsigned int has_tiny_unaligned_frags(struct sk_buff *skb)
for (frag = 0; frag < skb_shinfo(skb)->nr_frags; frag++) {
const skb_frag_t *fragp = &skb_shinfo(skb)->frags[frag];
if (skb_frag_size(fragp) <= 8 && fragp->page_offset & 7)
if (skb_frag_size(fragp) <= 8 && skb_frag_off(fragp) & 7)
return 1;
}

6
drivers/net/ethernet/myricom/myri10ge/myri10ge.c
View File

@ -1306,8 +1306,8 @@ myri10ge_vlan_rx(struct net_device *dev, void *addr, struct sk_buff *skb)
skb->len -= VLAN_HLEN;
skb->data_len -= VLAN_HLEN;
frag = skb_shinfo(skb)->frags;
frag->page_offset += VLAN_HLEN;
skb_frag_size_set(frag, skb_frag_size(frag) - VLAN_HLEN);
skb_frag_off_add(frag, VLAN_HLEN);
skb_frag_size_sub(frag, VLAN_HLEN);
}
}
@ -1364,7 +1364,7 @@ myri10ge_rx_done(struct myri10ge_slice_state *ss, int len, __wsum csum)
}
/* remove padding */
rx_frags[0].page_offset += MXGEFW_PAD;
skb_frag_off_add(&rx_frags[0], MXGEFW_PAD);
skb_frag_size_sub(&rx_frags[0], MXGEFW_PAD);
len -= MXGEFW_PAD;

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

@ -274,7 +274,7 @@ static void efx_skb_copy_bits_to_pio(struct efx_nic *efx, struct sk_buff *skb,
vaddr = kmap_atomic(skb_frag_page(f));
efx_memcpy_toio_aligned_cb(efx, piobuf, vaddr + f->page_offset,
efx_memcpy_toio_aligned_cb(efx, piobuf, vaddr + skb_frag_off(f),
skb_frag_size(f), copy_buf);
kunmap_atomic(vaddr);
}

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

@ -2034,7 +2034,7 @@ 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;
skb_frag_off_set(frag, off);
skb_frag_size_set(frag, hlen - swivel);
/* any more data? */
@ -2058,7 +2058,7 @@ 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;
skb_frag_off_set(frag, 0);
skb_frag_size_set(frag, hlen);
RX_USED_ADD(page, hlen + cp->crc_size);
}
@ -2816,7 +2816,7 @@ static inline int cas_xmit_tx_ringN(struct cas *cp, int ring,
mapping = skb_frag_dma_map(&cp->pdev->dev, fragp, 0, len,
DMA_TO_DEVICE);
tabort = cas_calc_tabort(cp, fragp->page_offset, len);
tabort = cas_calc_tabort(cp, skb_frag_off(fragp), len);
if (unlikely(tabort)) {
void *addr;
@ -2827,7 +2827,7 @@ static inline int cas_xmit_tx_ringN(struct cas *cp, int ring,
addr = cas_page_map(skb_frag_page(fragp));
memcpy(tx_tiny_buf(cp, ring, entry),
addr + fragp->page_offset + len - tabort,
addr + skb_frag_off(fragp) + len - tabort,
tabort);
cas_page_unmap(addr);
mapping = tx_tiny_map(cp, ring, entry, tentry);

2
drivers/net/ethernet/sun/niu.c
View File

@ -6695,7 +6695,7 @@ static netdev_tx_t niu_start_xmit(struct sk_buff *skb,
len = skb_frag_size(frag);
mapping = np->ops->map_page(np->device, skb_frag_page(frag),
frag->page_offset, len,
skb_frag_off(frag), len,
DMA_TO_DEVICE);
rp->tx_buffs[prod].skb = NULL;

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

@ -1088,7 +1088,7 @@ static inline int vnet_skb_map(struct ldc_channel *lp, struct sk_buff *skb,
vaddr = kmap_atomic(skb_frag_page(f));
blen = skb_frag_size(f);
blen += 8 - (blen & 7);
err = ldc_map_single(lp, vaddr + f->page_offset,
err = ldc_map_single(lp, vaddr + skb_frag_off(f),
blen, cookies + nc, ncookies - nc,
map_perm);
kunmap_atomic(vaddr);
@ -1124,7 +1124,7 @@ static inline struct sk_buff *vnet_skb_shape(struct sk_buff *skb, int ncookies)
for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
skb_frag_t *f = &skb_shinfo(skb)->frags[i];
docopy |= f->page_offset & 7;
docopy |= skb_frag_off(f) & 7;
}
if (((unsigned long)skb->data & 7) != VNET_PACKET_SKIP ||
skb_tailroom(skb) < pad ||

2
drivers/net/ethernet/ti/netcp_core.c
View File

@ -1116,7 +1116,7 @@ netcp_tx_map_skb(struct sk_buff *skb, struct netcp_intf *netcp)
for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
struct page *page = skb_frag_page(frag);
u32 page_offset = frag->page_offset;
u32 page_offset = skb_frag_off(frag);
u32 buf_len = skb_frag_size(frag);
dma_addr_t desc_dma;
u32 desc_dma_32;

4
drivers/net/hyperv/netvsc_drv.c
View File

@ -435,7 +435,7 @@ static u32 init_page_array(void *hdr, u32 len, struct sk_buff *skb,
skb_frag_t *frag = skb_shinfo(skb)->frags + i;
slots_used += fill_pg_buf(skb_frag_page(frag),
frag->page_offset,
skb_frag_off(frag),
skb_frag_size(frag), &pb[slots_used]);
}
return slots_used;
@ -449,7 +449,7 @@ static int count_skb_frag_slots(struct sk_buff *skb)
for (i = 0; i < frags; i++) {
skb_frag_t *frag = skb_shinfo(skb)->frags + i;
unsigned long size = skb_frag_size(frag);
unsigned long offset = frag->page_offset;
unsigned long offset = skb_frag_off(frag);
/* Skip unused frames from start of page */
offset &= ~PAGE_MASK;

2
drivers/net/thunderbolt.c
View File

@ -1005,7 +1005,7 @@ static void *tbnet_kmap_frag(struct sk_buff *skb, unsigned int frag_num,
const skb_frag_t *frag = &skb_shinfo(skb)->frags[frag_num];
*len = skb_frag_size(frag);
return kmap_atomic(skb_frag_page(frag)) + frag->page_offset;
return kmap_atomic(skb_frag_page(frag)) + skb_frag_off(frag);
}
static netdev_tx_t tbnet_start_xmit(struct sk_buff *skb,

2
drivers/net/usb/usbnet.c
View File

@ -1328,7 +1328,7 @@ static int build_dma_sg(const struct sk_buff *skb, struct urb *urb)
total_len += skb_frag_size(f);
sg_set_page(&urb->sg[i + s], skb_frag_page(f), skb_frag_size(f),
f->page_offset);
skb_frag_off(f));
}
urb->transfer_buffer_length = total_len;

2
drivers/net/vmxnet3/vmxnet3_drv.c
View File

@ -662,7 +662,7 @@ vmxnet3_append_frag(struct sk_buff *skb, struct Vmxnet3_RxCompDesc *rcd,
BUG_ON(skb_shinfo(skb)->nr_frags >= MAX_SKB_FRAGS);
__skb_frag_set_page(frag, rbi->page);
frag->page_offset = 0;
skb_frag_off_set(frag, 0);
skb_frag_size_set(frag, rcd->len);
skb->data_len += rcd->len;
skb->truesize += PAGE_SIZE;

6
drivers/net/xen-netback/netback.c
View File

@ -136,12 +136,12 @@ static inline struct xenvif_queue *ubuf_to_queue(const struct ubuf_info *ubuf)
static u16 frag_get_pending_idx(skb_frag_t *frag)
{
return (u16)frag->page_offset;
return (u16)skb_frag_off(frag);
}
static void frag_set_pending_idx(skb_frag_t *frag, u16 pending_idx)
{
frag->page_offset = pending_idx;
skb_frag_off_set(frag, pending_idx);
}
static inline pending_ring_idx_t pending_index(unsigned i)
@ -1068,7 +1068,7 @@ static int xenvif_handle_frag_list(struct xenvif_queue *queue, struct sk_buff *s
offset += len;
__skb_frag_set_page(&frags[i], page);
frags[i].page_offset = 0;
skb_frag_off_set(&frags[i], 0);
skb_frag_size_set(&frags[i], len);
}

8
drivers/net/xen-netfront.c
View File

@ -531,7 +531,7 @@ static int xennet_count_skb_slots(struct sk_buff *skb)
for (i = 0; i < frags; i++) {
skb_frag_t *frag = skb_shinfo(skb)->frags + i;
unsigned long size = skb_frag_size(frag);
unsigned long offset = frag->page_offset;
unsigned long offset = skb_frag_off(frag);
/* Skip unused frames from start of page */
offset &= ~PAGE_MASK;
@ -674,8 +674,8 @@ static netdev_tx_t xennet_start_xmit(struct sk_buff *skb, struct net_device *dev
/* Requests for all the frags. */
for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
tx = xennet_make_txreqs(queue, tx, skb,
skb_frag_page(frag), frag->page_offset,
tx = xennet_make_txreqs(queue, tx, skb, skb_frag_page(frag),
skb_frag_off(frag),
skb_frag_size(frag));
}
@ -1040,7 +1040,7 @@ err:
if (NETFRONT_SKB_CB(skb)->pull_to > RX_COPY_THRESHOLD)
NETFRONT_SKB_CB(skb)->pull_to = RX_COPY_THRESHOLD;
skb_shinfo(skb)->frags[0].page_offset = rx->offset;
skb_frag_off_set(&skb_shinfo(skb)->frags[0], rx->offset);
skb_frag_size_set(&skb_shinfo(skb)->frags[0], rx->status);
skb->data_len = rx->status;
skb->len += rx->status;

2
drivers/scsi/bnx2fc/bnx2fc_fcoe.c
View File

@ -346,7 +346,7 @@ static int bnx2fc_xmit(struct fc_lport *lport, struct fc_frame *fp)
return -ENOMEM;
}
frag = &skb_shinfo(skb)->frags[skb_shinfo(skb)->nr_frags - 1];
cp = kmap_atomic(skb_frag_page(frag)) + frag->page_offset;
cp = kmap_atomic(skb_frag_page(frag)) + skb_frag_off(frag);
} else {
cp = skb_put(skb, tlen);
}

3
drivers/scsi/fcoe/fcoe.c
View File

@ -1522,8 +1522,7 @@ static int fcoe_xmit(struct fc_lport *lport, struct fc_frame *fp)
return -ENOMEM;
}
frag = &skb_shinfo(skb)->frags[skb_shinfo(skb)->nr_frags - 1];
cp = kmap_atomic(skb_frag_page(frag))
+ frag->page_offset;
cp = kmap_atomic(skb_frag_page(frag)) + skb_frag_off(frag);
} else {
cp = skb_put(skb, tlen);
}

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

@ -318,7 +318,7 @@ 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;
off = skb_frag_off(frag);
len = skb_frag_size(frag);
while (len > 0) {
clen = min(len, PAGE_SIZE - (off & ~PAGE_MASK));

2
drivers/scsi/qedf/qedf_main.c
View File

@ -1077,7 +1077,7 @@ static int qedf_xmit(struct fc_lport *lport, struct fc_frame *fp)
return -ENOMEM;
}
frag = &skb_shinfo(skb)->frags[skb_shinfo(skb)->nr_frags - 1];
cp = kmap_atomic(skb_frag_page(frag)) + frag->page_offset;
cp = kmap_atomic(skb_frag_page(frag)) + skb_frag_off(frag);
} else {
cp = skb_put(skb, tlen);
}

2
drivers/staging/unisys/visornic/visornic_main.c
View File

@ -284,7 +284,7 @@ static int visor_copy_fragsinfo_from_skb(struct sk_buff *skb,
for (frag = 0; frag < numfrags; frag++) {
count = add_physinfo_entries(page_to_pfn(
skb_frag_page(&skb_shinfo(skb)->frags[frag])),
skb_shinfo(skb)->frags[frag].page_offset,
skb_frag_off(&skb_shinfo(skb)->frags[frag]),
skb_frag_size(&skb_shinfo(skb)->frags[frag]),
count, frags_max, frags);
/* add_physinfo_entries only returns

4
drivers/target/iscsi/cxgbit/cxgbit_target.c
View File

@ -900,7 +900,7 @@ cxgbit_handle_immediate_data(struct iscsi_cmd *cmd, struct iscsi_scsi_req *hdr,
sg_init_table(&ccmd->sg, 1);
sg_set_page(&ccmd->sg, skb_frag_page(dfrag),
skb_frag_size(dfrag), dfrag->page_offset);
skb_frag_size(dfrag), skb_frag_off(dfrag));
get_page(skb_frag_page(dfrag));
cmd->se_cmd.t_data_sg = &ccmd->sg;
@ -1403,7 +1403,7 @@ static void cxgbit_lro_skb_dump(struct sk_buff *skb)
pdu_cb->ddigest, pdu_cb->frags);
for (i = 0; i < ssi->nr_frags; i++)
pr_info("skb 0x%p, frag %d, off %u, sz %u.\n",
skb, i, ssi->frags[i].page_offset,
skb, i, skb_frag_off(&ssi->frags[i]),
skb_frag_size(&ssi->frags[i]));
}

4
net/appletalk/ddp.c
View File

@ -953,8 +953,8 @@ static unsigned long atalk_sum_skb(const struct sk_buff *skb, int offset,
if (copy > len)
copy = len;
vaddr = kmap_atomic(skb_frag_page(frag));
sum = atalk_sum_partial(vaddr + frag->page_offset +
offset - start, copy, sum);
sum = atalk_sum_partial(vaddr + skb_frag_off(frag) +
offset - start, copy, sum);
kunmap_atomic(vaddr);
if (!(len -= copy))

6
net/core/datagram.c
View File

@ -442,8 +442,8 @@ static int __skb_datagram_iter(const struct sk_buff *skb, int offset,
if (copy > len)
copy = len;
n = cb(vaddr + frag->page_offset +
offset - start, copy, data, to);
n = cb(vaddr + skb_frag_off(frag) + offset - start,
copy, data, to);
kunmap(page);
offset += n;
if (n != copy)
@ -573,7 +573,7 @@ int skb_copy_datagram_from_iter(struct sk_buff *skb, int offset,
if (copy > len)
copy = len;
copied = copy_page_from_iter(skb_frag_page(frag),
frag->page_offset + offset - start,
skb_frag_off(frag) + offset - start,
copy, from);
if (copied != copy)
goto fault;

2
net/core/dev.c
View File

@ -5481,7 +5481,7 @@ static void gro_pull_from_frag0(struct sk_buff *skb, int grow)
skb->data_len -= grow;
skb->tail += grow;
pinfo->frags[0].page_offset += grow;
skb_frag_off_add(&pinfo->frags[0], grow);
skb_frag_size_sub(&pinfo->frags[0], grow);
if (unlikely(!skb_frag_size(&pinfo->frags[0]))) {

2
net/core/pktgen.c
View File

@ -2652,7 +2652,7 @@ static void pktgen_finalize_skb(struct pktgen_dev *pkt_dev, struct sk_buff *skb,
}
get_page(pkt_dev->page);
skb_frag_set_page(skb, i, pkt_dev->page);
skb_shinfo(skb)->frags[i].page_offset = 0;
skb_frag_off_set(&skb_shinfo(skb)->frags[i], 0);
/*last fragment, fill rest of data*/
if (i == (frags - 1))
skb_frag_size_set(&skb_shinfo(skb)->frags[i],

54
net/core/skbuff.c
View File

@ -785,7 +785,7 @@ void skb_dump(const char *level, const struct sk_buff *skb, bool full_pkt)
struct page *p;
u8 *vaddr;
skb_frag_foreach_page(frag, frag->page_offset,
skb_frag_foreach_page(frag, skb_frag_off(frag),
skb_frag_size(frag), p, p_off, p_len,
copied) {
seg_len = min_t(int, p_len, len);
@ -1375,7 +1375,7 @@ int skb_copy_ubufs(struct sk_buff *skb, gfp_t gfp_mask)
struct page *p;
u8 *vaddr;
skb_frag_foreach_page(f, f->page_offset, skb_frag_size(f),
skb_frag_foreach_page(f, skb_frag_off(f), skb_frag_size(f),
p, p_off, p_len, copied) {
u32 copy, done = 0;
vaddr = kmap_atomic(p);
@ -2144,10 +2144,12 @@ pull_pages:
skb_frag_unref(skb, i);
eat -= size;
} else {
skb_shinfo(skb)->frags[k] = skb_shinfo(skb)->frags[i];
skb_frag_t *frag = &skb_shinfo(skb)->frags[k];
*frag = skb_shinfo(skb)->frags[i];
if (eat) {
skb_shinfo(skb)->frags[k].page_offset += eat;
skb_frag_size_sub(&skb_shinfo(skb)->frags[k], eat);
skb_frag_off_add(frag, eat);
skb_frag_size_sub(frag, eat);
if (!i)
goto end;
eat = 0;
@ -2219,7 +2221,7 @@ int skb_copy_bits(const struct sk_buff *skb, int offset, void *to, int len)
copy = len;
skb_frag_foreach_page(f,
f->page_offset + offset - start,
skb_frag_off(f) + offset - start,
copy, p, p_off, p_len, copied) {
vaddr = kmap_atomic(p);
memcpy(to + copied, vaddr + p_off, p_len);
@ -2395,7 +2397,7 @@ static bool __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, skb_frag_size(f),
skb_frag_off(f), skb_frag_size(f),
offset, len, spd, false, sk, pipe))
return true;
}
@ -2498,7 +2500,7 @@ do_frag_list:
while (slen) {
ret = kernel_sendpage_locked(sk, skb_frag_page(frag),
frag->page_offset + offset,
skb_frag_off(frag) + offset,
slen, MSG_DONTWAIT);
if (ret <= 0)
goto error;
@ -2580,7 +2582,7 @@ int skb_store_bits(struct sk_buff *skb, int offset, const void *from, int len)
copy = len;
skb_frag_foreach_page(frag,
frag->page_offset + offset - start,
skb_frag_off(frag) + offset - start,
copy, p, p_off, p_len, copied) {
vaddr = kmap_atomic(p);
memcpy(vaddr + p_off, from + copied, p_len);
@ -2660,7 +2662,7 @@ __wsum __skb_checksum(const struct sk_buff *skb, int offset, int len,
copy = len;
skb_frag_foreach_page(frag,
frag->page_offset + offset - start,
skb_frag_off(frag) + offset - start,
copy, p, p_off, p_len, copied) {
vaddr = kmap_atomic(p);
csum2 = INDIRECT_CALL_1(ops->update,
@ -2759,7 +2761,7 @@ __wsum skb_copy_and_csum_bits(const struct sk_buff *skb, int offset,
copy = len;
skb_frag_foreach_page(frag,
frag->page_offset + offset - start,
skb_frag_off(frag) + offset - start,
copy, p, p_off, p_len, copied) {
vaddr = kmap_atomic(p);
csum2 = csum_partial_copy_nocheck(vaddr + p_off,
@ -3234,7 +3236,7 @@ static inline void skb_split_no_header(struct sk_buff *skb,
* 2. Split is accurately. We make this.
*/
skb_frag_ref(skb, i);
skb_shinfo(skb1)->frags[0].page_offset += len - pos;
skb_frag_off_add(&skb_shinfo(skb1)->frags[0], 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++;
@ -3316,7 +3318,7 @@ int skb_shift(struct sk_buff *tgt, struct sk_buff *skb, int shiftlen)
*/
if (!to ||
!skb_can_coalesce(tgt, to, skb_frag_page(fragfrom),
fragfrom->page_offset)) {
skb_frag_off(fragfrom))) {
merge = -1;
} else {
merge = to - 1;
@ -3333,7 +3335,7 @@ int skb_shift(struct sk_buff *tgt, struct sk_buff *skb, int shiftlen)
skb_frag_size_add(fragto, shiftlen);
skb_frag_size_sub(fragfrom, shiftlen);
fragfrom->page_offset += shiftlen;
skb_frag_off_add(fragfrom, shiftlen);
goto onlymerged;
}
@ -3364,11 +3366,11 @@ int skb_shift(struct sk_buff *tgt, struct sk_buff *skb, int shiftlen)
} else {
__skb_frag_ref(fragfrom);
fragto->bv_page = fragfrom->bv_page;
fragto->page_offset = fragfrom->page_offset;
skb_frag_page_copy(fragto, fragfrom);
skb_frag_off_copy(fragto, fragfrom);
skb_frag_size_set(fragto, todo);
fragfrom->page_offset += todo;
skb_frag_off_add(fragfrom, todo);
skb_frag_size_sub(fragfrom, todo);
todo = 0;
@ -3493,7 +3495,7 @@ next_skb:
if (!st->frag_data)
st->frag_data = kmap_atomic(skb_frag_page(frag));
*data = (u8 *) st->frag_data + frag->page_offset +
*data = (u8 *) st->frag_data + skb_frag_off(frag) +
(abs_offset - st->stepped_offset);
return block_limit - abs_offset;
@ -3630,8 +3632,8 @@ static inline skb_frag_t skb_head_frag_to_page_desc(struct sk_buff *frag_skb)
page = virt_to_head_page(frag_skb->head);
__skb_frag_set_page(&head_frag, page);
head_frag.page_offset = frag_skb->data -
(unsigned char *)page_address(page);
skb_frag_off_set(&head_frag, frag_skb->data -
(unsigned char *)page_address(page));
skb_frag_size_set(&head_frag, skb_headlen(frag_skb));
return head_frag;
}
@ -3875,7 +3877,7 @@ normal:
size = skb_frag_size(nskb_frag);
if (pos < offset) {
nskb_frag->page_offset += offset - pos;
skb_frag_off_add(nskb_frag, offset - pos);
skb_frag_size_sub(nskb_frag, offset - pos);
}
@ -3996,7 +3998,7 @@ int skb_gro_receive(struct sk_buff *p, struct sk_buff *skb)
*--frag = *--frag2;
} while (--i);
frag->page_offset += offset;
skb_frag_off_add(frag, offset);
skb_frag_size_sub(frag, offset);
/* all fragments truesize : remove (head size + sk_buff) */
@ -4026,7 +4028,7 @@ int skb_gro_receive(struct sk_buff *p, struct sk_buff *skb)
pinfo->nr_frags = nr_frags + 1 + skbinfo->nr_frags;
__skb_frag_set_page(frag, page);
frag->page_offset = first_offset;
skb_frag_off_set(frag, first_offset);
skb_frag_size_set(frag, first_size);
memcpy(frag + 1, skbinfo->frags, sizeof(*frag) * skbinfo->nr_frags);
@ -4042,7 +4044,7 @@ merge:
if (offset > headlen) {
unsigned int eat = offset - headlen;
skbinfo->frags[0].page_offset += eat;
skb_frag_off_add(&skbinfo->frags[0], eat);
skb_frag_size_sub(&skbinfo->frags[0], eat);
skb->data_len -= eat;
skb->len -= eat;
@ -4167,7 +4169,7 @@ __skb_to_sgvec(struct sk_buff *skb, struct scatterlist *sg, int offset, int len,
if (copy > len)
copy = len;
sg_set_page(&sg[elt], skb_frag_page(frag), copy,
frag->page_offset+offset-start);
skb_frag_off(frag) + offset - start);
elt++;
if (!(len -= copy))
return elt;
@ -5838,7 +5840,7 @@ static int pskb_carve_inside_nonlinear(struct sk_buff *skb, const u32 off,
* where splitting is expensive.
* 2. Split is accurately. We make this.
*/
shinfo->frags[0].page_offset += off - pos;
skb_frag_off_add(&shinfo->frags[0], off - pos);
skb_frag_size_sub(&shinfo->frags[0], off - pos);
}
skb_frag_ref(skb, i);

6
net/ipv4/tcp.c
View File

@ -1782,12 +1782,12 @@ static int tcp_zerocopy_receive(struct sock *sk,
frags++;
}
}
if (skb_frag_size(frags) != PAGE_SIZE || frags->page_offset) {
if (skb_frag_size(frags) != PAGE_SIZE || skb_frag_off(frags)) {
int remaining = zc->recv_skip_hint;
int size = skb_frag_size(frags);
while (remaining && (size != PAGE_SIZE ||
frags->page_offset)) {
skb_frag_off(frags))) {
remaining -= size;
frags++;
size = skb_frag_size(frags);
@ -3784,7 +3784,7 @@ int tcp_md5_hash_skb_data(struct tcp_md5sig_pool *hp,
for (i = 0; i < shi->nr_frags; ++i) {
const skb_frag_t *f = &shi->frags[i];
unsigned int offset = f->page_offset;
unsigned int offset = skb_frag_off(f);
struct page *page = skb_frag_page(f) + (offset >> PAGE_SHIFT);
sg_set_page(&sg, page, skb_frag_size(f),

2
net/ipv4/tcp_output.c
View File

@ -1402,7 +1402,7 @@ static int __pskb_trim_head(struct sk_buff *skb, int len)
} else {
shinfo->frags[k] = shinfo->frags[i];
if (eat) {
shinfo->frags[k].page_offset += eat;
skb_frag_off_add(&shinfo->frags[k], eat);
skb_frag_size_sub(&shinfo->frags[k], eat);
eat = 0;
}

2
net/kcm/kcmsock.c
View File

@ -642,7 +642,7 @@ do_frag:
ret = kernel_sendpage(psock->sk->sk_socket,
skb_frag_page(frag),
frag->page_offset + frag_offset,
skb_frag_off(frag) + frag_offset,
skb_frag_size(frag) - frag_offset,
MSG_DONTWAIT);
if (ret <= 0) {

8
net/tls/tls_device.c
View File

@ -244,12 +244,12 @@ static void tls_append_frag(struct tls_record_info *record,
frag = &record->frags[record->num_frags - 1];
if (skb_frag_page(frag) == pfrag->page &&
frag->page_offset + skb_frag_size(frag) == pfrag->offset) {
skb_frag_off(frag) + skb_frag_size(frag) == pfrag->offset) {
skb_frag_size_add(frag, size);
} else {
++frag;
__skb_frag_set_page(frag, pfrag->page);
frag->page_offset = pfrag->offset;
skb_frag_off_set(frag, pfrag->offset);
skb_frag_size_set(frag, size);
++record->num_frags;
get_page(pfrag->page);
@ -301,7 +301,7 @@ static int tls_push_record(struct sock *sk,
frag = &record->frags[i];
sg_unmark_end(&offload_ctx->sg_tx_data[i]);
sg_set_page(&offload_ctx->sg_tx_data[i], skb_frag_page(frag),
skb_frag_size(frag), frag->page_offset);
skb_frag_size(frag), skb_frag_off(frag));
sk_mem_charge(sk, skb_frag_size(frag));
get_page(skb_frag_page(frag));
}
@ -324,7 +324,7 @@ static int tls_create_new_record(struct tls_offload_context_tx *offload_ctx,
frag = &record->frags[0];
__skb_frag_set_page(frag, pfrag->page);
frag->page_offset = pfrag->offset;
skb_frag_off_set(frag, pfrag->offset);
skb_frag_size_set(frag, prepend_size);
get_page(pfrag->page);

2
net/tls/tls_device_fallback.c
View File

@ -273,7 +273,7 @@ static int fill_sg_in(struct scatterlist *sg_in,
__skb_frag_ref(frag);
sg_set_page(sg_in + i, skb_frag_page(frag),
skb_frag_size(frag), frag->page_offset);
skb_frag_size(frag), skb_frag_off(frag));
remaining -= skb_frag_size(frag);

2
net/xfrm/xfrm_ipcomp.c
View File

@ -85,7 +85,7 @@ static int ipcomp_decompress(struct xfrm_state *x, struct sk_buff *skb)
if (dlen < len)
len = dlen;
frag->page_offset = 0;
skb_frag_off_set(frag, 0);
skb_frag_size_set(frag, len);
memcpy(skb_frag_address(frag), scratch, len);