[PATCH 47/75] sfc: convert to SKB paged frag API.
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STALE5541d
From: Ian Campbell <hidden>
Date: 2011-08-19 13:29:27
Also in:
lkml
Subsystem:
networking drivers, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
Signed-off-by: Ian Campbell <redacted> Cc: Solarflare linux maintainers <redacted> Cc: Steve Hodgson <redacted> Cc: Ben Hutchings <redacted> Cc: <redacted> Cc: <redacted> --- 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;
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1.7.2.5