diff options
author | Jonathan Lemon <jonathan.lemon@gmail.com> | 2019-07-30 07:40:33 -0700 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2019-07-30 14:21:32 -0700 |
commit | b54c9d5bd6e38edac9ce3a3f95f14a1292b5268d (patch) | |
tree | b09848a92e53ce9533b4df27953ef59874080b53 | |
parent | 7240b60c98d6309363a9f8d5a4ecd5b0626f2aff (diff) | |
download | linux-b54c9d5bd6e38edac9ce3a3f95f14a1292b5268d.tar.bz2 |
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>
44 files changed, 100 insertions, 98 deletions
diff --git a/drivers/atm/eni.c b/drivers/atm/eni.c index 79b718430cd1..b23d1e4bad33 100644 --- a/drivers/atm/eni.c +++ b/drivers/atm/eni.c @@ -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) { diff --git a/drivers/hsi/clients/ssi_protocol.c b/drivers/hsi/clients/ssi_protocol.c index c9e3f928b93d..0253e76f1df2 100644 --- a/drivers/hsi/clients/ssi_protocol.c +++ b/drivers/hsi/clients/ssi_protocol.c @@ -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)); } } diff --git a/drivers/infiniband/hw/hfi1/vnic_sdma.c b/drivers/infiniband/hw/hfi1/vnic_sdma.c index 05a140504a99..7d90b900131b 100644 --- a/drivers/infiniband/hw/hfi1/vnic_sdma.c +++ b/drivers/infiniband/hw/hfi1/vnic_sdma.c @@ -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; diff --git a/drivers/infiniband/ulp/ipoib/ipoib_ib.c b/drivers/infiniband/ulp/ipoib/ipoib_ib.c index 78fa777c87b1..c332b4761816 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_ib.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_ib.c @@ -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; diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c index ac61c9352535..c23fbb34f0e9 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c @@ -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; diff --git a/drivers/net/ethernet/cavium/thunder/nicvf_queues.c b/drivers/net/ethernet/cavium/thunder/nicvf_queues.c index c0266a87794c..4ab57d33a87e 100644 --- a/drivers/net/ethernet/cavium/thunder/nicvf_queues.c +++ b/drivers/net/ethernet/cavium/thunder/nicvf_queues.c @@ -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)) { diff --git a/drivers/net/ethernet/chelsio/cxgb3/sge.c b/drivers/net/ethernet/chelsio/cxgb3/sge.c index 310a232e00f0..6dabbf1502c7 100644 --- a/drivers/net/ethernet/chelsio/cxgb3/sge.c +++ b/drivers/net/ethernet/chelsio/cxgb3/sge.c @@ -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; diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c index e00a94a03879..1c9883019767 100644 --- a/drivers/net/ethernet/emulex/benet/be_main.c +++ b/drivers/net/ethernet/emulex/benet/be_main.c @@ -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); diff --git a/drivers/net/ethernet/freescale/fs_enet/fs_enet-main.c b/drivers/net/ethernet/freescale/fs_enet/fs_enet-main.c index 5fad73b2e123..3981c06f082f 100644 --- a/drivers/net/ethernet/freescale/fs_enet/fs_enet-main.c +++ b/drivers/net/ethernet/freescale/fs_enet/fs_enet-main.c @@ -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; } diff --git a/drivers/net/ethernet/ibm/ibmvnic.c b/drivers/net/ethernet/ibm/ibmvnic.c index 3da680073265..81a05ea38237 100644 --- a/drivers/net/ethernet/ibm/ibmvnic.c +++ b/drivers/net/ethernet/ibm/ibmvnic.c @@ -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 { diff --git a/drivers/net/ethernet/intel/i40e/i40e_txrx.c b/drivers/net/ethernet/intel/i40e/i40e_txrx.c index f162252f01b5..e3f29dc8b290 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_txrx.c +++ b/drivers/net/ethernet/intel/i40e/i40e_txrx.c @@ -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; diff --git a/drivers/net/ethernet/intel/iavf/iavf_txrx.c b/drivers/net/ethernet/intel/iavf/iavf_txrx.c index fae7cd1c618a..7a30d5d5ef53 100644 --- a/drivers/net/ethernet/intel/iavf/iavf_txrx.c +++ b/drivers/net/ethernet/intel/iavf/iavf_txrx.c @@ -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; diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c index e12d23d1fa64..dc7b128c780e 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c @@ -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); } diff --git a/drivers/net/ethernet/jme.c b/drivers/net/ethernet/jme.c index 9c3ab00643bd..6d52cf5ce20e 100644 --- a/drivers/net/ethernet/jme.c +++ b/drivers/net/ethernet/jme.c @@ -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; diff --git a/drivers/net/ethernet/marvell/mv643xx_eth.c b/drivers/net/ethernet/marvell/mv643xx_eth.c index 88ea5ac83c93..82ea55ae5053 100644 --- a/drivers/net/ethernet/marvell/mv643xx_eth.c +++ b/drivers/net/ethernet/marvell/mv643xx_eth.c @@ -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; } diff --git a/drivers/net/ethernet/myricom/myri10ge/myri10ge.c b/drivers/net/ethernet/myricom/myri10ge/myri10ge.c index 9ead6ecb7586..99eaadba555f 100644 --- a/drivers/net/ethernet/myricom/myri10ge/myri10ge.c +++ b/drivers/net/ethernet/myricom/myri10ge/myri10ge.c @@ -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; diff --git a/drivers/net/ethernet/sfc/tx.c b/drivers/net/ethernet/sfc/tx.c index 31ec56091a5d..65e81ec1b314 100644 --- a/drivers/net/ethernet/sfc/tx.c +++ b/drivers/net/ethernet/sfc/tx.c @@ -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); } diff --git a/drivers/net/ethernet/sun/cassini.c b/drivers/net/ethernet/sun/cassini.c index 6fc05c106afc..c91876f8c536 100644 --- a/drivers/net/ethernet/sun/cassini.c +++ b/drivers/net/ethernet/sun/cassini.c @@ -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); diff --git a/drivers/net/ethernet/sun/niu.c b/drivers/net/ethernet/sun/niu.c index 0bc5863bffeb..f5fd1f3c07cc 100644 --- a/drivers/net/ethernet/sun/niu.c +++ b/drivers/net/ethernet/sun/niu.c @@ -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; diff --git a/drivers/net/ethernet/sun/sunvnet_common.c b/drivers/net/ethernet/sun/sunvnet_common.c index baa3088b475c..646e67236b65 100644 --- a/drivers/net/ethernet/sun/sunvnet_common.c +++ b/drivers/net/ethernet/sun/sunvnet_common.c @@ -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 || diff --git a/drivers/net/ethernet/ti/netcp_core.c b/drivers/net/ethernet/ti/netcp_core.c index 642843945031..1b2702f74455 100644 --- a/drivers/net/ethernet/ti/netcp_core.c +++ b/drivers/net/ethernet/ti/netcp_core.c @@ -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; diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c index 3544e1991579..86884c863013 100644 --- a/drivers/net/hyperv/netvsc_drv.c +++ b/drivers/net/hyperv/netvsc_drv.c @@ -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; diff --git a/drivers/net/thunderbolt.c b/drivers/net/thunderbolt.c index fcf31335a8b6..dacb4f680fd4 100644 --- a/drivers/net/thunderbolt.c +++ b/drivers/net/thunderbolt.c @@ -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, diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c index ace7ffaf3913..58952a79b05f 100644 --- a/drivers/net/usb/usbnet.c +++ b/drivers/net/usb/usbnet.c @@ -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; diff --git a/drivers/net/vmxnet3/vmxnet3_drv.c b/drivers/net/vmxnet3/vmxnet3_drv.c index 03feaeae89cd..216acf37ca7c 100644 --- a/drivers/net/vmxnet3/vmxnet3_drv.c +++ b/drivers/net/vmxnet3/vmxnet3_drv.c @@ -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; diff --git a/drivers/net/xen-netback/netback.c b/drivers/net/xen-netback/netback.c index a96c5c2a2c5a..3ef07b63613e 100644 --- a/drivers/net/xen-netback/netback.c +++ b/drivers/net/xen-netback/netback.c @@ -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); } diff --git a/drivers/net/xen-netfront.c b/drivers/net/xen-netfront.c index 8d33970a2950..b930d5f95222 100644 --- a/drivers/net/xen-netfront.c +++ b/drivers/net/xen-netfront.c @@ -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; diff --git a/drivers/scsi/bnx2fc/bnx2fc_fcoe.c b/drivers/scsi/bnx2fc/bnx2fc_fcoe.c index 7796799bf04a..9ff9429395eb 100644 --- a/drivers/scsi/bnx2fc/bnx2fc_fcoe.c +++ b/drivers/scsi/bnx2fc/bnx2fc_fcoe.c @@ -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); } diff --git a/drivers/scsi/fcoe/fcoe.c b/drivers/scsi/fcoe/fcoe.c index 00dd47bcbb1e..587d4bbb7d22 100644 --- a/drivers/scsi/fcoe/fcoe.c +++ b/drivers/scsi/fcoe/fcoe.c @@ -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); } diff --git a/drivers/scsi/fcoe/fcoe_transport.c b/drivers/scsi/fcoe/fcoe_transport.c index d0550384cc38..a20ddc301c89 100644 --- a/drivers/scsi/fcoe/fcoe_transport.c +++ b/drivers/scsi/fcoe/fcoe_transport.c @@ -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)); diff --git a/drivers/scsi/qedf/qedf_main.c b/drivers/scsi/qedf/qedf_main.c index a42babde036d..42542720962f 100644 --- a/drivers/scsi/qedf/qedf_main.c +++ b/drivers/scsi/qedf/qedf_main.c @@ -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); } diff --git a/drivers/staging/unisys/visornic/visornic_main.c b/drivers/staging/unisys/visornic/visornic_main.c index b889b04a6e25..6fa7726185de 100644 --- a/drivers/staging/unisys/visornic/visornic_main.c +++ b/drivers/staging/unisys/visornic/visornic_main.c @@ -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 diff --git a/drivers/target/iscsi/cxgbit/cxgbit_target.c b/drivers/target/iscsi/cxgbit/cxgbit_target.c index c25315431ad0..fcdc4211e3c2 100644 --- a/drivers/target/iscsi/cxgbit/cxgbit_target.c +++ b/drivers/target/iscsi/cxgbit/cxgbit_target.c @@ -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])); } diff --git a/net/appletalk/ddp.c b/net/appletalk/ddp.c index a8cb6b2e20c1..4072e9d394d6 100644 --- a/net/appletalk/ddp.c +++ b/net/appletalk/ddp.c @@ -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)) diff --git a/net/core/datagram.c b/net/core/datagram.c index 45a162ef5e02..4cc8dc5db2b7 100644 --- a/net/core/datagram.c +++ b/net/core/datagram.c @@ -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; diff --git a/net/core/dev.c b/net/core/dev.c index fc676b2610e3..e2a11c62197b 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -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]))) { diff --git a/net/core/pktgen.c b/net/core/pktgen.c index bb9915291644..c5dbdc87342a 100644 --- a/net/core/pktgen.c +++ b/net/core/pktgen.c @@ -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], diff --git a/net/core/skbuff.c b/net/core/skbuff.c index 0b788df5a75b..ea8e8d332d85 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c @@ -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); diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c index f62f0e7e3cdd..a0a66321c0ee 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -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), diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c index 6e4afc48d7bb..e6d02e05bb1c 100644 --- a/net/ipv4/tcp_output.c +++ b/net/ipv4/tcp_output.c @@ -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; } diff --git a/net/kcm/kcmsock.c b/net/kcm/kcmsock.c index 05f63c4300e9..4ff75c3a8d6e 100644 --- a/net/kcm/kcmsock.c +++ b/net/kcm/kcmsock.c @@ -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) { diff --git a/net/tls/tls_device.c b/net/tls/tls_device.c index 4ec8a06fa5d1..d184230665eb 100644 --- a/net/tls/tls_device.c +++ b/net/tls/tls_device.c @@ -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); diff --git a/net/tls/tls_device_fallback.c b/net/tls/tls_device_fallback.c index 9070d68a92a4..28895333701e 100644 --- a/net/tls/tls_device_fallback.c +++ b/net/tls/tls_device_fallback.c @@ -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); diff --git a/net/xfrm/xfrm_ipcomp.c b/net/xfrm/xfrm_ipcomp.c index 32c364d3bfb3..4d422447aadc 100644 --- a/net/xfrm/xfrm_ipcomp.c +++ b/net/xfrm/xfrm_ipcomp.c @@ -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); |