The following commit made b44 use 64 bit stats which are not supported
by kernel version < 2.6.36.
commit eeda8585522bcc173f91d6254dfa63e871087c54
Author: Kevin Groeneveld <kgroeneveld@xxxxxxxxx>
Date: Tue Jul 17 17:46:01 2012 +0000
b44: add 64 bit stats
Signed-off-by: Hauke Mehrtens <hauke@xxxxxxxxxx>
---
patches/64-b44-32bit-stats.patch | 54 ++++++++++++++++++++++++++++++++++++++
1 file changed, 54 insertions(+)
create mode 100644 patches/64-b44-32bit-stats.patch
diff --git a/patches/64-b44-32bit-stats.patch b/patches/64-b44-32bit-stats.patch
new file mode 100644
index 0000000..b3138f8
--- /dev/null
+++ b/patches/64-b44-32bit-stats.patch
@@ -0,0 +1,54 @@
+This patch requires a manual backport:
+
+commit eeda8585522bcc173f91d6254dfa63e871087c54
+Author: Kevin Groeneveld <kgroeneveld@xxxxxxxxx>
+Date: Tue Jul 17 17:46:01 2012 +0000
+
+ b44: add 64 bit stats
+
+ Add support for 64 bit stats to Broadcom b44 ethernet driver.
+
+ Signed-off-by: Kevin Groeneveld <kgroeneveld@xxxxxxxxx>
+ Signed-off-by: Eric Dumazet <edumazet@xxxxxxxxxx>
+ Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
+
+--- a/drivers/net/ethernet/broadcom/b44.c
++++ b/drivers/net/ethernet/broadcom/b44.c
+@@ -31,6 +31,7 @@
+ #include <linux/dma-mapping.h>
+ #include <linux/ssb/ssb.h>
+ #include <linux/slab.h>
++#include <linux/u64_stats_sync.h>
+
+ #include <asm/uaccess.h>
+ #include <asm/io.h>
+@@ -1641,10 +1642,17 @@ static int b44_close(struct net_device *
+ return 0;
+ }
+
++#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,36))
+ static struct rtnl_link_stats64 *b44_get_stats64(struct net_device *dev,
+ struct rtnl_link_stats64 *nstat)
++#else
++static struct net_device_stats *b44_get_stats(struct net_device *dev)
++#endif
+ {
+ struct b44 *bp = netdev_priv(dev);
++#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,36))
++ struct net_device_stats *nstat = &dev->stats;
++#endif
+ struct b44_hw_stats *hwstat = &bp->hw_stats;
+ unsigned int start;
+
+@@ -2135,7 +2143,11 @@ static const struct net_device_ops b44_n
+ .ndo_open = b44_open,
+ .ndo_stop = b44_close,
+ .ndo_start_xmit = b44_start_xmit,
++#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,36))
+ .ndo_get_stats64 = b44_get_stats64,
++#else
++ .ndo_get_stats = b44_get_stats,
++#endif
+ .ndo_set_rx_mode = b44_set_rx_mode,
+ .ndo_set_mac_address = b44_set_mac_addr,
+ .ndo_validate_addr = eth_validate_addr,
--
1.7.9.5
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