diff options
| author | Eric Dumazet <eric.dumazet@gmail.com> | 2011-10-18 21:00:24 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2011-10-19 03:10:46 -0400 |
| commit | 9e903e085262ffbf1fc44a17ac06058aca03524a (patch) | |
| tree | 4acefc97ba38c1733474d25c0b2053b56af97db1 | |
| parent | dd767856a36e00b631d65ebc4bb81b19915532d6 (diff) | |
| download | lwn-9e903e085262ffbf1fc44a17ac06058aca03524a.tar.gz lwn-9e903e085262ffbf1fc44a17ac06058aca03524a.zip | |
net: add skb frag size accessors
To ease skb->truesize sanitization, its better to be able to localize
all references to skb frags size.
Define accessors : skb_frag_size() to fetch frag size, and
skb_frag_size_{set|add|sub}() to manipulate it.
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
87 files changed, 387 insertions, 357 deletions
diff --git a/drivers/atm/eni.c b/drivers/atm/eni.c index f7ca4c13d61d..956e9accb051 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 */ 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)); diff --git a/drivers/infiniband/hw/amso1100/c2.c b/drivers/infiniband/hw/amso1100/c2.c index 6e85a75289e8..5ce7b9e8bff6 100644 --- a/drivers/infiniband/hw/amso1100/c2.c +++ b/drivers/infiniband/hw/amso1100/c2.c @@ -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; diff --git a/drivers/infiniband/hw/nes/nes_nic.c b/drivers/infiniband/hw/nes/nes_nic.c index 7cb7f292dfd1..47b2ee4c01e2 100644 --- a/drivers/infiniband/hw/nes/nes_nic.c +++ b/drivers/infiniband/hw/nes/nes_nic.c @@ -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 @@ tso_sq_no_longer_full: &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 @@ tso_sq_no_longer_full: } 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) diff --git a/drivers/infiniband/ulp/ipoib/ipoib_cm.c b/drivers/infiniband/ulp/ipoib/ipoib_cm.c index 67a477be237e..c74548a586ea 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_cm.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_cm.c @@ -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; diff --git a/drivers/infiniband/ulp/ipoib/ipoib_ib.c b/drivers/infiniband/ulp/ipoib/ipoib_ib.c index 00435be4a44b..2b060f45bec3 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_ib.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_ib.c @@ -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; diff --git a/drivers/net/ethernet/3com/3c59x.c b/drivers/net/ethernet/3com/3c59x.c index 9ca45dcba755..b42c06baba89 100644 --- a/drivers/net/ethernet/3com/3c59x.c +++ b/drivers/net/ethernet/3com/3c59x.c @@ -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 diff --git a/drivers/net/ethernet/3com/typhoon.c b/drivers/net/ethernet/3com/typhoon.c index 11f8858c786d..20ea07508ac7 100644 --- a/drivers/net/ethernet/3com/typhoon.c +++ b/drivers/net/ethernet/3com/typhoon.c @@ -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); diff --git a/drivers/net/ethernet/adaptec/starfire.c b/drivers/net/ethernet/adaptec/starfire.c index d6b015598569..6d9f6911000f 100644 --- a/drivers/net/ethernet/adaptec/starfire.c +++ b/drivers/net/ethernet/adaptec/starfire.c @@ -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++; diff --git a/drivers/net/ethernet/aeroflex/greth.c b/drivers/net/ethernet/aeroflex/greth.c index 6715bf54f04e..442fefa4f2ca 100644 --- a/drivers/net/ethernet/aeroflex/greth.c +++ b/drivers/net/ethernet/aeroflex/greth.c @@ -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); diff --git a/drivers/net/ethernet/alteon/acenic.c b/drivers/net/ethernet/alteon/acenic.c index b1a4e8204437..f872748ab4e6 100644 --- a/drivers/net/ethernet/alteon/acenic.c +++ b/drivers/net/ethernet/alteon/acenic.c @@ -2478,18 +2478,18 @@ restart: 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 @@ restart: 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); } } diff --git a/drivers/net/ethernet/atheros/atl1c/atl1c_main.c b/drivers/net/ethernet/atheros/atl1c/atl1c_main.c index 12a0b30319db..02c7ed8d9eca 100644 --- a/drivers/net/ethernet/atheros/atl1c/atl1c_main.c +++ b/drivers/net/ethernet/atheros/atl1c/atl1c_main.c @@ -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, diff --git a/drivers/net/ethernet/atheros/atl1e/atl1e_main.c b/drivers/net/ethernet/atheros/atl1e/atl1e_main.c index 97c45a4b855a..95483bcac1d0 100644 --- a/drivers/net/ethernet/atheros/atl1e/atl1e_main.c +++ b/drivers/net/ethernet/atheros/atl1e/atl1e_main.c @@ -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++) { diff --git a/drivers/net/ethernet/atheros/atlx/atl1.c b/drivers/net/ethernet/atheros/atlx/atl1.c index 7381a49fefb4..0405261efb5c 100644 --- a/drivers/net/ethernet/atheros/atlx/atl1.c +++ b/drivers/net/ethernet/atheros/atlx/atl1.c @@ -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; diff --git a/drivers/net/ethernet/broadcom/bnx2.c b/drivers/net/ethernet/broadcom/bnx2.c index 6ff7636e73a2..965c7235804d 100644 --- a/drivers/net/ethernet/broadcom/bnx2.c +++ b/drivers/net/ethernet/broadcom/bnx2.c @@ -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 @@ dma_error: 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); } diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c index e575e89c7d46..dd8ee56396b2 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c @@ -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, diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c index fe712f955110..b89027c61937 100644 --- a/drivers/net/ethernet/broadcom/tg3.c +++ b/drivers/net/ethernet/broadcom/tg3.c @@ -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); diff --git a/drivers/net/ethernet/brocade/bna/bnad.c b/drivers/net/ethernet/brocade/bna/bnad.c index 2f4ced66612a..5d7872ecff52 100644 --- a/drivers/net/ethernet/brocade/bna/bnad.c +++ b/drivers/net/ethernet/brocade/bna/bnad.c @@ -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; diff --git a/drivers/net/ethernet/chelsio/cxgb/sge.c b/drivers/net/ethernet/chelsio/cxgb/sge.c index 0a511c4a0472..f9b602300040 100644 --- a/drivers/net/ethernet/chelsio/cxgb/sge.c +++ b/drivers/net/ethernet/chelsio/cxgb/sge.c @@ -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(); diff --git a/drivers/net/ethernet/chelsio/cxgb3/sge.c b/drivers/net/ethernet/chelsio/cxgb3/sge.c index 2f46b37e5d16..cfb60e1f51da 100644 --- a/drivers/net/ethernet/chelsio/cxgb3/sge.c +++ b/drivers/net/ethernet/chelsio/cxgb3/sge.c @@ -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; diff --git a/drivers/net/ethernet/chelsio/cxgb4/sge.c b/drivers/net/ethernet/chelsio/cxgb4/sge.c index 56adf448b9fe..14f31d3a18d7 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/sge.c +++ b/drivers/net/ethernet/chelsio/cxgb4/sge.c @@ -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)) { diff --git a/drivers/net/ethernet/chelsio/cxgb4vf/sge.c b/drivers/net/ethernet/chelsio/cxgb4vf/sge.c index cffb328c46c3..c2d456d90c00 100644 --- a/drivers/net/ethernet/chelsio/cxgb4vf/sge.c +++ b/drivers/net/ethernet/chelsio/cxgb4vf/sge.c @@ -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)) { diff --git a/drivers/net/ethernet/cisco/enic/enic_main.c b/drivers/net/ethernet/cisco/enic/enic_main.c index 1bc908f595de..c3786fda11db 100644 --- a/drivers/net/ethernet/cisco/enic/enic_main.c +++ b/drivers/net/ethernet/cisco/enic/enic_main.c @@ -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) { diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c index 679b8041e43a..706fc5989939 100644 --- a/drivers/net/ethernet/emulex/benet/be_main.c +++ b/drivers/net/ethernet/emulex/benet/be_main.c @@ -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); diff --git a/drivers/net/ethernet/ibm/ehea/ehea_main.c b/drivers/net/ethernet/ibm/ehea/ehea_main.c index adb462d0b8d3..0d4d4f68d4ed 100644 --- a/drivers/net/ethernet/ibm/ehea/ehea_main.c +++ b/drivers/net/ethernet/ibm/ehea/ehea_main.c @@ -1676,7 +1676,7 @@ static inline void write_swqe2_data(struct sk_buff *skb, struct net_device *dev, /* copy sg1entry data */ sg1entry->l_key = lkey; - sg1entry->len = frag->size; + sg1entry->len = skb_frag_size(frag); sg1entry->vaddr = ehea_map_vaddr(skb_frag_address(frag)); swqe->descriptors++; @@ -1689,7 +1689,7 @@ static inline void write_swqe2_data(struct sk_buff *skb, struct net_device *dev, sgentry = &sg_list[i - sg1entry_contains_frag_data]; sgentry->l_key = lkey; - sgentry->len = frag->size; + sgentry->len = frag_size(frag); sgentry->vaddr = ehea_map_vaddr(skb_frag_address(frag)); swqe->descriptors++; } diff --git a/drivers/net/ethernet/ibm/emac/core.c b/drivers/net/ethernet/ibm/emac/core.c index 6b3a033d9de5..ed79b2d3ad3e 100644 --- a/drivers/net/ethernet/ibm/emac/core.c +++ b/drivers/net/ethernet/ibm/emac/core.c @@ -1453,7 +1453,7 @@ static int emac_start_xmit_sg(struct sk_buff *skb, struct net_device *ndev) /* skb fragments */ for (i = 0; i < nr_frags; ++i) { struct skb_frag_struct *frag = &skb_shinfo(skb)->frags[i]; - len = frag->size; + len = skb_frag_size(frag); if (unlikely(dev->tx_cnt + mal_tx_chunks(len) >= NUM_TX_BUFF)) goto undo_frame; diff --git a/drivers/net/ethernet/ibm/ibmveth.c b/drivers/net/ethernet/ibm/ibmveth.c index 4da972eaabb4..b1cd41b9c61c 100644 --- a/drivers/net/ethernet/ibm/ibmveth.c +++ b/drivers/net/ethernet/ibm/ibmveth.c @@ -1014,15 +1014,15 @@ retry_bounce: /* Map the frags */ for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) { - skb_frag_t *frag = &skb_shinfo(skb)->frags[i]; + const skb_frag_t *frag = &skb_shinfo(skb)->frags[i]; dma_addr = skb_frag_dma_map(&adapter->vdev->dev, frag, 0, - frag->size, DMA_TO_DEVICE); + skb_frag_size(frag), DMA_TO_DEVICE); if (dma_mapping_error(&adapter->vdev->dev, dma_addr)) goto map_failed_frags; - descs[i+1].fields.flags_len = desc_flags | frag->size; + descs[i+1].fields.flags_len = desc_flags | skb_frag_size(frag); descs[i+1].fields.address = dma_addr; } diff --git a/drivers/net/ethernet/intel/e1000/e1000_main.c b/drivers/net/ethernet/intel/e1000/e1000_main.c index 7b54d7246150..cf480b554622 100644 --- a/drivers/net/ethernet/intel/e1000/e1000_main.c +++ b/drivers/net/ethernet/intel/e1000/e1000_main.c @@ -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; diff --git a/drivers/net/ethernet/intel/e1000e/netdev.c b/drivers/net/ethernet/intel/e1000e/netdev.c index 035ce73c388e..680312710a78 100644 --- a/drivers/net/ethernet/intel/e1000e/netdev.c +++ b/drivers/net/ethernet/intel/e1000e/netdev.c @@ -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) diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c index 837adbbce772..f9b818267de8 100644 --- a/drivers/net/ethernet/intel/igb/igb_main.c +++ b/drivers/net/ethernet/intel/igb/igb_main.c @@ -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, diff --git a/drivers/net/ethernet/intel/igbvf/netdev.c b/drivers/net/ethernet/intel/igbvf/netdev.c index 23cc40f22d6f..1bd9abddcc59 100644 --- a/drivers/net/ethernet/intel/igbvf/netdev.c +++ b/drivers/net/ethernet/intel/igbvf/netdev.c @@ -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); diff --git a/drivers/net/ethernet/intel/ixgb/ixgb_main.c b/drivers/net/ethernet/intel/ixgb/ixgb_main.c index 88558b1aac07..e21148f8b160 100644 --- a/drivers/net/ethernet/intel/ixgb/ixgb_main.c +++ b/drivers/net/ethernet/intel/ixgb/ixgb_main.c @@ -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) { diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c index 8075d11b4cde..09b8e88b2999 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c @@ -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++; diff --git a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c index 4930c4605493..5e92cc2079bd 100644 --- a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c +++ b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c @@ -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++; diff --git a/drivers/net/ethernet/jme.c b/drivers/net/ethernet/jme.c index 48a0a23f342f..7a0c746f2749 100644 --- a/drivers/net/ethernet/jme.c +++ b/drivers/net/ethernet/jme.c @@ -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; diff --git a/drivers/net/ethernet/marvell/mv643xx_eth.c b/drivers/net/ethernet/marvell/mv643xx_eth.c index f6821aa5ffbf..194a03113802 100644 --- a/drivers/net/ethernet/marvell/mv643xx_eth.c +++ b/drivers/net/ethernet/marvell/mv643xx_eth.c @@ -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); } } diff --git a/drivers/net/ethernet/marvell/skge.c b/drivers/net/ethernet/marvell/skge.c index 297730359b79..c7b60839ac99 100644 --- a/drivers/net/ethernet/marvell/skge.c +++ b/drivers/net/ethernet/marvell/skge.c @@ -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; } diff --git a/drivers/net/ethernet/marvell/sky2.c b/drivers/net/ethernet/marvell/sky2.c index 92634907bf8d..7b083c438a14 100644 --- a/drivers/net/ethernet/marvell/sky2.c +++ b/drivers/net/ethernet/marvell/sky2.c @@ -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; diff --git a/drivers/net/ethernet/mellanox/mlx4/en_rx.c b/drivers/net/ethernet/mellanox/mlx4/en_rx.c index 37cc9e5c56be..46a0df9afc3c 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_rx.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_rx.c @@ -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; diff --git a/drivers/net/ethernet/mellanox/mlx4/en_tx.c b/drivers/net/ethernet/mellanox/mlx4/en_tx.c index 6e03de034ac7..2a192c2f207d 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_tx.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_tx.c @@ -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; } diff --git a/drivers/net/ethernet/micrel/ksz884x.c b/drivers/net/ethernet/micrel/ksz884x.c index 710c4aead146..7ece990381c8 100644 --- a/drivers/net/ethernet/micrel/ksz884x.c +++ b/drivers/net/ethernet/micrel/ksz884x.c @@ -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, diff --git a/drivers/net/ethernet/myricom/myri10ge/myri10ge.c b/drivers/net/ethernet/myricom/myri10ge/myri10ge.c index 26637279cd67..c970a48436dc 100644 --- a/drivers/net/ethernet/myricom/myri10ge/myri10ge.c +++ b/drivers/net/ethernet/myricom/myri10ge/myri10ge.c @@ -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 @@ again: 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); diff --git a/drivers/net/ethernet/natsemi/ns83820.c b/drivers/net/ethernet/natsemi/ns83820.c index 73616b911327..2b8f64ddfb55 100644 --- a/drivers/net/ethernet/natsemi/ns83820.c +++ b/drivers/net/ethernet/natsemi/ns83820.c @@ -1161,11 +1161,11 @@ again: 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--; } diff --git a/drivers/net/ethernet/neterion/s2io.c b/drivers/net/ethernet/neterion/s2io.c index bdd3e6a330cd..c27fb3dda9f4 100644 --- a/drivers/net/ethernet/neterion/s2io.c +++ b/drivers/net/ethernet/neterion/s2io.c @@ -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; } diff --git a/drivers/net/ethernet/neterion/vxge/vxge-main.c b/drivers/net/ethernet/neterion/vxge/vxge-main.c index a66f8fc0401e..671e166b5af1 100644 --- a/drivers/net/ethernet/neterion/vxge/vxge-main.c +++ b/drivers/net/ethernet/neterion/vxge/vxge-main.c @@ -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 @@ _exit1: 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; } diff --git a/drivers/net/ethernet/nvidia/forcedeth.c b/drivers/net/ethernet/nvidia/forcedeth.c index d7763ab841d8..1e37eb98c4e2 100644 --- a/drivers/net/ethernet/nvidia/forcedeth.c +++ b/drivers/net/ethernet/nvidia/forcedeth.c @@ -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 { diff --git a/drivers/net/ethernet/pasemi/pasemi_mac.c b/drivers/net/ethernet/pasemi/pasemi_mac.c index c6f005684677..49b549ff2c78 100644 --- a/drivers/net/ethernet/pasemi/pasemi_mac.c +++ b/drivers/net/ethernet/pasemi/pasemi_mac.c @@ -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; diff --git a/drivers/net/ethernet/qlogic/netxen/netxen_nic_main.c b/drivers/net/ethernet/qlogic/netxen/netxen_nic_main.c index e2ba78be1c2a..8cf3173ba488 100644 --- a/drivers/net/ethernet/qlogic/netxen/netxen_nic_main.c +++ b/drivers/net/ethernet/qlogic/netxen/netxen_nic_main.c @@ -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)) diff --git a/drivers/net/ethernet/qlogic/qla3xxx.c b/drivers/net/ethernet/qlogic/qla3xxx.c index 46f9b6499f9b..a4bdff438a5e 100644 --- a/drivers/net/ethernet/qlogic/qla3xxx.c +++ b/drivers/net/ethernet/qlogic/qla3xxx.c @@ -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); diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c index eac19e7d2761..106503f118f6 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c @@ -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; diff --git a/drivers/net/ethernet/qlogic/qlge/qlge_main.c b/drivers/net/ethernet/qlogic/qlge/qlge_main.c index f2d9bb78ec7f..c92afcd912e2 100644 --- a/drivers/net/ethernet/qlogic/qlge/qlge_main.c +++ b/drivers/net/ethernet/qlogic/qlge/qlge_main.c @@ -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. */ diff --git a/drivers/net/ethernet/realtek/8139cp.c b/drivers/net/ethernet/realtek/8139cp.c index 5dcd5be03f31..ee5da9293ce0 100644 --- a/drivers/net/ethernet/realtek/8139cp.c +++ b/drivers/net/ethernet/realtek/8139cp.c @@ -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); diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c index 2ce60709a455..aa39e771175c 100644 --- a/drivers/net/ethernet/realtek/r8169.c +++ b/drivers/net/ethernet/realtek/r8169.c @@ -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))) { diff --git a/drivers/net/ethernet/sfc/rx.c b/drivers/net/ethernet/sfc/rx.c index 91a6b7123539..adbda182f159 100644 --- a/drivers/net/ethernet/sfc/rx.c +++ b/drivers/net/ethernet/sfc/rx.c @@ -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; diff --git a/drivers/net/ethernet/sfc/tx.c b/drivers/net/ethernet/sfc/tx.c index 3964a62dde8b..df88c5430f95 100644 --- a/drivers/net/ethernet/sfc/tx.c +++ b/drivers/net/ethernet/sfc/tx.c @@ -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; } diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c index c0ee6b6b0198..87a6b2e59e04 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -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; diff --git a/drivers/net/ethernet/sun/cassini.c b/drivers/net/ethernet/sun/cassini.c index d9460d81a137..fd40988c19a6 100644 --- a/drivers/net/ethernet/sun/cassini.c +++ b/drivers/net/ethernet/sun/cassini.c @@ -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); diff --git a/drivers/net/ethernet/sun/niu.c b/drivers/net/ethernet/sun/niu.c index 23740e848ac9..73c708107a37 100644 --- a/drivers/net/ethernet/sun/niu.c +++ b/drivers/net/ethernet/sun/niu.c @@ -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); diff --git a/drivers/net/ethernet/sun/sungem.c b/drivers/net/ethernet/sun/sungem.c index 6b62a73227c2..ceab215bb4a3 100644 --- a/drivers/net/ethernet/sun/sungem.c +++ b/drivers/net/ethernet/sun/sungem.c @@ -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; diff --git a/drivers/net/ethernet/sun/sunhme.c b/drivers/net/ethernet/sun/sunhme.c index 869d47be54b4..c517dac02ae1 100644 --- a/drivers/net/ethernet/sun/sunhme.c +++ b/drivers/net/ethernet/sun/sunhme.c @@ -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; diff --git a/drivers/net/ethernet/tehuti/tehuti.c b/drivers/net/ethernet/tehuti/tehuti.c index c77e3bf4750a..3a90af6d111c 100644 --- a/drivers/net/ethernet/tehuti/tehuti.c +++ b/drivers/net/ethernet/tehuti/tehuti.c @@ -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++; diff --git a/drivers/net/ethernet/tile/tilepro.c b/drivers/net/ethernet/tile/tilepro.c index 1e2af96fc29c..78e3fb226cce 100644 --- a/drivers/net/ethernet/tile/tilepro.c +++ b/drivers/net/ethernet/tile/tilepro.c @@ -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++; } diff --git a/drivers/net/ethernet/tundra/tsi108_eth.c b/drivers/net/ethernet/tundra/tsi108_eth.c index a03996cf88ed..a8df7eca0956 100644 --- a/drivers/net/ethernet/tundra/tsi108_eth.c +++ b/drivers/net/ethernet/tundra/tsi108_eth.c @@ -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) diff --git a/drivers/net/ethernet/via/via-velocity.c b/drivers/net/ethernet/via/via-velocity.c index b47bce1a2e2a..4535d7cc848e 100644 --- a/drivers/net/ethernet/via/via-velocity.c +++ b/drivers/net/ethernet/via/via-velocity.c @@ -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; diff --git a/drivers/net/ethernet/xilinx/ll_temac_main.c b/drivers/net/ethernet/xilinx/ll_temac_main.c index 66e3c36c3733..85ba4d9ac170 100644 --- a/drivers/net/ethernet/xilinx/ll_temac_main.c +++ b/drivers/net/ethernet/xilinx/ll_temac_main.c @@ -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++; } diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index b8225f3b31d1..0d4841bed0f9 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -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, diff --git a/drivers/net/vmxnet3/vmxnet3_drv.c b/drivers/net/vmxnet3/vmxnet3_drv.c index 902f284fd054..b771ebac0f01 100644 --- a/drivers/net/vmxnet3/vmxnet3_drv.c +++ b/drivers/net/vmxnet3/vmxnet3_drv.c @@ -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, diff --git a/drivers/net/xen-netback/netback.c b/drivers/net/xen-netback/netback.c index 8d70b44fcd8a..d5508957200e 100644 --- a/drivers/net/xen-netback/netback.c +++ b/drivers/net/xen-netback/netback.c @@ -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); } diff --git a/drivers/net/xen-netfront.c b/drivers/net/xen-netfront.c index 6e5d4c09e5d7..226faab23603 100644 --- a/drivers/net/xen-netfront.c +++ b/drivers/net/xen-netfront.c @@ -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 @@ err: 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); diff --git a/drivers/scsi/cxgbi/libcxgbi.c b/drivers/scsi/cxgbi/libcxgbi.c index 77ac217ad5ce..be69da38ccaa 100644 --- a/drivers/scsi/cxgbi/libcxgbi.c +++ b/drivers/scsi/cxgbi/libcxgbi.c @@ -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) { diff --git a/drivers/scsi/fcoe/fcoe_transport.c b/drivers/scsi/fcoe/fcoe_transport.c index f6613f9f1bdb..dac8e39a5188 100644 --- a/drivers/scsi/fcoe/fcoe_transport.c +++ b/drivers/scsi/fcoe/fcoe_transport.c @@ -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( diff --git a/drivers/staging/hv/netvsc_drv.c b/drivers/staging/hv/netvsc_drv.c index 58792aefc8d3..4c7739f929ef 100644 --- a/drivers/staging/hv/netvsc_drv.c +++ b/drivers/staging/hv/netvsc_drv.c @@ -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 */ diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index 64f86951ef74..6fcbbbd12ceb 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -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; } diff --git a/net/appletalk/ddp.c b/net/appletalk/ddp.c index b1fe7c35e8d1..bfa9ab93eda5 100644 --- a/net/appletalk/ddp.c +++ b/net/appletalk/ddp.c @@ -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; diff --git a/net/core/datagram.c b/net/core/datagram.c index 6449bed457d4..68bbf9f65cb0 100644 --- a/net/core/datagram.c +++ b/net/core/datagram.c @@ -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) diff --git a/net/core/dev.c b/net/core/dev.c index 8b6118a16b87..cbb5918e4fc5 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -3489,9 +3489,9 @@ pull: 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); diff --git a/net/core/pktgen.c b/net/core/pktgen.c index 796044ac0bf3..38d657737498 100644 --- a/net/core/pktgen.c +++ b/net/core/pktgen.c @@ -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; } diff --git a/net/core/skbuff.c b/net/core/skbuff.c index a7f855dca922..ce357d986251 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c @@ -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 @@ pull_pages: 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 @@ next_skb: 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 @@ next_skb: } 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 @@ merge: 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]; diff --git a/net/core/user_dma.c b/net/core/user_dma.c index 34e9664cae3b..2d7cf3d52b4c 100644 --- a/net/core/user_dma.c +++ b/net/core/user_dma.c @@ -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) diff --git a/net/ipv4/inet_lro.c b/net/ipv4/inet_lro.c index 8e6be5aad115..cc280a3f4f96 100644 --- a/net/ipv4/inet_lro.c +++ b/net/ipv4/inet_lro.c @@ -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; diff --git a/net/ipv4/ip_fragment.c b/net/ipv4/ip_fragment.c index 763589ad673d..fdaabf2f2b68 100644 --- a/net/ipv4/ip_fragment.c +++ b/net/ipv4/ip_fragment.c @@ -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; diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c index ae3bb147affd..e1374ab034bb 100644 --- a/net/ipv4/ip_output.c +++ b/net/ipv4/ip_output.c @@ -1015,13 +1015,13 @@ alloc_new_skb: 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); diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c index 4c0da24fb649..132be081cd00 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -813,7 +813,7 @@ new_segment: 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 @@ new_segment: /* 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; } diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c index dde6b5768316..ed96c543f1cf 100644 --- a/net/ipv4/tcp_output.c +++ b/net/ipv4/tcp_output.c @@ -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++; diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c index 1e20b64e646c..1c9bf8b5c30a 100644 --- a/net/ipv6/ip6_output.c +++ b/net/ipv6/ip6_output.c @@ -1512,13 +1512,14 @@ alloc_new_skb: 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; diff --git a/net/ipv6/netfilter/nf_conntrack_reasm.c b/net/ipv6/netfilter/nf_conntrack_reasm.c index 085727263812..e8762c73b170 100644 --- a/net/ipv6/netfilter/nf_conntrack_reasm.c +++ b/net/ipv6/netfilter/nf_conntrack_reasm.c @@ -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; diff --git a/net/ipv6/reassembly.c b/net/ipv6/reassembly.c index 7b954e2539d0..cc22099ac8b6 100644 --- a/net/ipv6/reassembly.c +++ b/net/ipv6/reassembly.c @@ -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; diff --git a/net/xfrm/xfrm_ipcomp.c b/net/xfrm/xfrm_ipcomp.c index f781b9ab8a54..e5246fbe36c4 100644 --- a/net/xfrm/xfrm_ipcomp.c +++ b/net/xfrm/xfrm_ipcomp.c @@ -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; |