On 6/13/15, 11:04 AM, sfel...@gmail.com wrote:
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 6f5f71f..181b08f 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -1444,6 +1444,8 @@ enum netdev_priv_flags {
*
* @xps_maps: XXX: need comments on this one
*
+ * @fwd_mark: Offload device fwding mark
+ *
* @trans_start: Time (in jiffies) of last Tx
* @watchdog_timeo: Represents the timeout that is used by
* the watchdog ( see dev_watchdog() )
@@ -1681,6 +1683,10 @@ struct net_device {
struct xps_dev_maps __rcu *xps_maps;
#endif
+#ifdef CONFIG_NET_SWITCHDEV
+ u32 fwd_mark;
+#endif
+
scott, Just calling out a few other use-cases to make sure this flag can
be used in a generic way in the future:
- avoid updating acl counters in the kernel when hardware acl counters
have already accounted for this packet
- ability to conditionally clear the mark by other protocols in the
kernel before xmit: one use case is the bridge driver allowing software
forwarding of some protocol packets when hardware forwarding of these is
turned off eg igmp (As I understand, This is possible with your patch
series if we need to in the future)
PS: Maybe the name should be generic enough to suite other use-cases in
the future (i like the name i had hw_offloaded better ;).
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