This is a note to let you know that I've just added the patch titled
sfc: Fix Siena mac statistics on big endian platforms
to the 3.0-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
sfc-fix-siena-mac-statistics-on-big-endian-platforms.patch
and it can be found in the queue-3.0 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From aac26712035cb1db1409ad52a9e2c00c4452a39e Mon Sep 17 00:00:00 2001
From: Steve Hodgson <shodgson@xxxxxxxxxxxxxx>
Date: Wed, 22 Jun 2011 12:11:33 +0100
Subject: sfc: Fix Siena mac statistics on big endian platforms
From: Steve Hodgson <shodgson@xxxxxxxxxxxxxx>
[ Upstream commit a659b2a94d87add999229ecd9f2f56817d5d737b ]
[bwh: Use __force in the one place it's needed]
Signed-off-by: Ben Hutchings <bhutchings@xxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/net/sfc/siena.c | 14 +++++++-------
1 file changed, 7 insertions(+), 7 deletions(-)
--- a/drivers/net/sfc/siena.c
+++ b/drivers/net/sfc/siena.c
@@ -372,14 +372,13 @@ static void siena_remove_nic(struct efx_
efx->nic_data = NULL;
}
-#define STATS_GENERATION_INVALID ((u64)(-1))
+#define STATS_GENERATION_INVALID ((__force __le64)(-1))
static int siena_try_update_nic_stats(struct efx_nic *efx)
{
- u64 *dma_stats;
+ __le64 *dma_stats;
struct efx_mac_stats *mac_stats;
- u64 generation_start;
- u64 generation_end;
+ __le64 generation_start, generation_end;
mac_stats = &efx->mac_stats;
dma_stats = (u64 *)efx->stats_buffer.addr;
@@ -390,7 +389,7 @@ static int siena_try_update_nic_stats(st
rmb();
#define MAC_STAT(M, D) \
- mac_stats->M = dma_stats[MC_CMD_MAC_ ## D]
+ mac_stats->M = le64_to_cpu(dma_stats[MC_CMD_MAC_ ## D])
MAC_STAT(tx_bytes, TX_BYTES);
MAC_STAT(tx_bad_bytes, TX_BAD_BYTES);
@@ -460,7 +459,8 @@ static int siena_try_update_nic_stats(st
MAC_STAT(rx_internal_error, RX_INTERNAL_ERROR_PKTS);
mac_stats->rx_good_lt64 = 0;
- efx->n_rx_nodesc_drop_cnt = dma_stats[MC_CMD_MAC_RX_NODESC_DROPS];
+ efx->n_rx_nodesc_drop_cnt =
+ le64_to_cpu(dma_stats[MC_CMD_MAC_RX_NODESC_DROPS]);
#undef MAC_STAT
@@ -489,7 +489,7 @@ static void siena_update_nic_stats(struc
static void siena_start_nic_stats(struct efx_nic *efx)
{
- u64 *dma_stats = (u64 *)efx->stats_buffer.addr;
+ __le64 *dma_stats = efx->stats_buffer.addr;
dma_stats[MC_CMD_MAC_GENERATION_END] = STATS_GENERATION_INVALID;
Patches currently in stable-queue which might be from shodgson@xxxxxxxxxxxxxx are
queue-3.0/sfc-fix-siena-mac-statistics-on-big-endian-platforms.patch
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