From 51e6b712b5960cc7d086c3f856434ccd096c63a7 Mon Sep 17 00:00:00 2001
From: Pierre Ossman <drzeus@drzeus.cx>
Date: Mon, 22 Oct 2007 19:05:32 +0200
Subject: [PATCH] libertas: make if_sdio align packets
Incoming packets have to be aligned or the IP stack becomes upset.
Make sure to shift them two bytes to achieve this.
Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
drivers/net/wireless/libertas/if_sdio.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/net/wireless/libertas/if_sdio.c b/drivers/net/wireless/libertas/if_sdio.c
index a8e17076e7de..b24425f74883 100644
--- a/drivers/net/wireless/libertas/if_sdio.c
+++ b/drivers/net/wireless/libertas/if_sdio.c
@@ -182,12 +182,14 @@ static int if_sdio_handle_data(struct if_sdio_card *card,
goto out;
}
- skb = dev_alloc_skb(MRVDRV_ETH_RX_PACKET_BUFFER_SIZE);
+ skb = dev_alloc_skb(MRVDRV_ETH_RX_PACKET_BUFFER_SIZE + NET_IP_ALIGN);
if (!skb) {
ret = -ENOMEM;
goto out;
}
+ skb_reserve(skb, NET_IP_ALIGN);
+
data = skb_put(skb, size);
memcpy(data, buffer, size);
--
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