From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ian Campbell Subject: [PATCH 47/75] sfc: convert to SKB paged frag API. Date: Fri, 19 Aug 2011 14:27:19 +0100 Message-ID: <1313760467-8598-47-git-send-email-ian.campbell@citrix.com> References: <1313760393.5010.356.camel@zakaz.uk.xensource.com> Mime-Version: 1.0 Content-Type: text/plain Cc: linux-kernel@vger.kernel.org, Ian Campbell , Solarflare linux maintainers , Steve Hodgson , Ben Hutchings To: netdev@vger.kernel.org Return-path: In-Reply-To: <1313760393.5010.356.camel@zakaz.uk.xensource.com> Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org Signed-off-by: Ian Campbell Cc: Solarflare linux maintainers Cc: Steve Hodgson Cc: Ben Hutchings Cc: netdev@vger.kernel.org Cc: linux-kernel@vger.kernel.org --- drivers/net/sfc/rx.c | 2 +- drivers/net/sfc/tx.c | 13 ++++--------- 2 files changed, 5 insertions(+), 10 deletions(-) diff --git a/drivers/net/sfc/rx.c b/drivers/net/sfc/rx.c index 62e4364..91a6b71 100644 --- a/drivers/net/sfc/rx.c +++ b/drivers/net/sfc/rx.c @@ -478,7 +478,7 @@ static void efx_rx_packet_gro(struct efx_channel *channel, if (efx->net_dev->features & NETIF_F_RXHASH) skb->rxhash = efx_rx_buf_hash(eh); - skb_shinfo(skb)->frags[0].page = page; + 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; diff --git a/drivers/net/sfc/tx.c b/drivers/net/sfc/tx.c index 84eb99e..f2467a1 100644 --- a/drivers/net/sfc/tx.c +++ b/drivers/net/sfc/tx.c @@ -137,8 +137,6 @@ netdev_tx_t efx_enqueue_skb(struct efx_tx_queue *tx_queue, struct sk_buff *skb) struct pci_dev *pci_dev = efx->pci_dev; struct efx_tx_buffer *buffer; skb_frag_t *fragment; - struct page *page; - int page_offset; unsigned int len, unmap_len = 0, fill_level, insert_ptr; dma_addr_t dma_addr, unmap_addr = 0; unsigned int dma_len; @@ -241,13 +239,11 @@ netdev_tx_t efx_enqueue_skb(struct efx_tx_queue *tx_queue, struct sk_buff *skb) break; fragment = &skb_shinfo(skb)->frags[i]; len = fragment->size; - page = fragment->page; - page_offset = fragment->page_offset; i++; /* Map for DMA */ unmap_single = false; - dma_addr = pci_map_page(pci_dev, page, page_offset, len, - PCI_DMA_TODEVICE); + dma_addr = skb_frag_dma_map(&pci_dev->dev, fragment, 0, len, + PCI_DMA_TODEVICE); } /* Transfer ownership of the skb to the final buffer */ @@ -929,9 +925,8 @@ static void tso_start(struct tso_state *st, const struct sk_buff *skb) static int tso_get_fragment(struct tso_state *st, struct efx_nic *efx, skb_frag_t *frag) { - st->unmap_addr = pci_map_page(efx->pci_dev, frag->page, - frag->page_offset, frag->size, - PCI_DMA_TODEVICE); + st->unmap_addr = skb_frag_dma_map(&efx->pci_dev->dev, frag, 0, + frag->size, PCI_DMA_TODEVICE); if (likely(!pci_dma_mapping_error(efx->pci_dev, st->unmap_addr))) { st->unmap_single = false; st->unmap_len = frag->size; -- 1.7.2.5