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Date: Fri, 8 Aug 2014 13:39:07 -0700 From: Kamal Mostafa <kamal@...onical.com> To: linux-kernel@...r.kernel.org, stable@...r.kernel.org, kernel-team@...ts.ubuntu.com Cc: Thomas Fitzsimmons <fitzsim@...zsim.org>, "David S. Miller" <davem@...emloft.net>, Kamal Mostafa <kamal@...onical.com> Subject: [PATCH 3.13 124/259] net: mvneta: Fix big endian issue in mvneta_txq_desc_csum() 3.13.11.6 -stable review patch. If anyone has any objections, please let me know. ------------------ From: Thomas Fitzsimmons <fitzsim@...zsim.org> commit 0a1985879437d14bda8c90d0dae3455c467d7642 upstream. This commit fixes the command value generated for CSUM calculation when running in big endian mode. The Ethernet protocol ID for IP was being unconditionally byte-swapped in the layer 3 protocol check (with swab16), which caused the mvneta driver to not function correctly in big endian mode. This patch byte-swaps the ID conditionally with htons. Signed-off-by: Thomas Fitzsimmons <fitzsim@...zsim.org> Signed-off-by: David S. Miller <davem@...emloft.net> Signed-off-by: Kamal Mostafa <kamal@...onical.com> --- drivers/net/ethernet/marvell/mvneta.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c index 1c8dd19..89c85b7 100644 --- a/drivers/net/ethernet/marvell/mvneta.c +++ b/drivers/net/ethernet/marvell/mvneta.c @@ -1212,7 +1212,7 @@ static u32 mvneta_txq_desc_csum(int l3_offs, int l3_proto, command = l3_offs << MVNETA_TX_L3_OFF_SHIFT; command |= ip_hdr_len << MVNETA_TX_IP_HLEN_SHIFT; - if (l3_proto == swab16(ETH_P_IP)) + if (l3_proto == htons(ETH_P_IP)) command |= MVNETA_TXD_IP_CSUM; else command |= MVNETA_TX_L3_IP6; -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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