[PATCH 4/7] net: emaclite: Add support for little-endian platforms
Grant Likely
grant.likely at secretlab.ca
Wed Sep 29 16:11:46 EST 2010
On Wed, Sep 29, 2010 at 03:52:15PM +1000, Michal Simek wrote:
> Upcomming Microblaze is little endian that's why is necessary
> to fix protocol and length loading.
>
> Signed-off-by: Michal Simek <monstr at monstr.eu>
> CC: "David S. Miller" <davem at davemloft.net>
> CC: Grant Likely <grant.likely at secretlab.ca>
> CC: Eric Dumazet <eric.dumazet at gmail.com>
> CC: netdev at vger.kernel.org
> CC: linux-kernel at vger.kernel.org
> CC: devicetree-discuss at lists.ozlabs.org
This should go via davem, but it looks correct to me.
Acked-by: Grant Likely <grant.likely at secretlab.ca>
> ---
> drivers/net/xilinx_emaclite.c | 8 ++++----
> 1 files changed, 4 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/net/xilinx_emaclite.c b/drivers/net/xilinx_emaclite.c
> index 71122ee..533ebb1 100644
> --- a/drivers/net/xilinx_emaclite.c
> +++ b/drivers/net/xilinx_emaclite.c
> @@ -430,8 +430,8 @@ static u16 xemaclite_recv_data(struct net_local *drvdata, u8 *data)
> }
>
> /* Get the protocol type of the ethernet frame that arrived */
> - proto_type = ((in_be32(addr + XEL_HEADER_OFFSET +
> - XEL_RXBUFF_OFFSET) >> XEL_HEADER_SHIFT) &
> + proto_type = ((ntohl(in_be32(addr + XEL_HEADER_OFFSET +
> + XEL_RXBUFF_OFFSET)) >> XEL_HEADER_SHIFT) &
> XEL_RPLR_LENGTH_MASK);
>
> /* Check if received ethernet frame is a raw ethernet frame
> @@ -439,9 +439,9 @@ static u16 xemaclite_recv_data(struct net_local *drvdata, u8 *data)
> if (proto_type > (ETH_FRAME_LEN + ETH_FCS_LEN)) {
>
> if (proto_type == ETH_P_IP) {
> - length = ((in_be32(addr +
> + length = ((ntohl(in_be32(addr +
> XEL_HEADER_IP_LENGTH_OFFSET +
> - XEL_RXBUFF_OFFSET) >>
> + XEL_RXBUFF_OFFSET)) >>
> XEL_HEADER_SHIFT) &
> XEL_RPLR_LENGTH_MASK);
> length += ETH_HLEN + ETH_FCS_LEN;
> --
> 1.5.5.1
>
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