netdev - [PATCH 13/21] net: sundance: use common rx

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Sat,  9 Jul 2011 19:17:52 +0200 (CEST)
From:	Michał Mirosław <mirq-linux@...e.qmqm.pl>
To:	netdev@...r.kernel.org
Subject: [PATCH 13/21] net: sundance: use common rx_copybreak handling

Signed-off-by: Michał Mirosław <mirq-linux@...e.qmqm.pl>
---
 drivers/net/sundance.c |   26 ++++++--------------------
 1 files changed, 6 insertions(+), 20 deletions(-)

diff --git a/drivers/net/sundance.c b/drivers/net/sundance.c
index 4793df8..0a16798 100644
--- a/drivers/net/sundance.c
+++ b/drivers/net/sundance.c
@@ -1355,26 +1355,12 @@ static void rx_poll(unsigned long data)
 					   ", bogus_cnt %d.\n",
 					   pkt_len, boguscnt);
 #endif
-			/* Check if the packet is long enough to accept without copying
-			   to a minimally-sized skbuff. */
-			if (pkt_len < rx_copybreak &&
-			    (skb = dev_alloc_skb(pkt_len + 2)) != NULL) {
-				skb_reserve(skb, 2);	/* 16 byte align the IP header */
-				dma_sync_single_for_cpu(&np->pci_dev->dev,
-						le32_to_cpu(desc->frag[0].addr),
-						np->rx_buf_sz, DMA_FROM_DEVICE);
-				skb_copy_to_linear_data(skb, np->rx_skbuff[entry]->data, pkt_len);
-				dma_sync_single_for_device(&np->pci_dev->dev,
-						le32_to_cpu(desc->frag[0].addr),
-						np->rx_buf_sz, DMA_FROM_DEVICE);
-				skb_put(skb, pkt_len);
-			} else {
-				dma_unmap_single(&np->pci_dev->dev,
-					le32_to_cpu(desc->frag[0].addr),
-					np->rx_buf_sz, DMA_FROM_DEVICE);
-				skb_put(skb = np->rx_skbuff[entry], pkt_len);
-				np->rx_skbuff[entry] = NULL;
-			}
+			skb = dev_skb_finish_rx_dma(&np->rx_skbuff[entry],
+				pkt_len, rx_copybreak,
+				&np->pci_dev->dev,
+				le32_to_cpu(desc->frag[0].addr),
+				np->rx_buf_sz);
+
 			skb->protocol = eth_type_trans(skb, dev);
 			/* Note: checksum -> skb->ip_summed = CHECKSUM_UNNECESSARY; */
 			netif_rx(skb);
-- 
1.7.5.4

--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html