[PATCH 2.6.38.4] mii: add support of pause frames in mii_get_an

[artpol]

Add support of pause frames advertise in mii_get_an. This provides all drivers 
that use mii_ethtool_gset to represent their own and Link partner flow control
abilities in ethtool.

Signed-off-by: Artem Polyakov <artpol84@xxxxxxxxx>

---

--- linux-2.6.38.4/drivers/net/mii.c.orig	2011-04-28 08:46:13.000000000 +0700
+++ linux-2.6.38.4/drivers/net/mii.c	2011-04-25 23:04:20.694981968 +0700
@@ -49,6 +49,10 @@ static u32 mii_get_an(struct mii_if_info
 		result |= ADVERTISED_100baseT_Half;
 	if (advert & ADVERTISE_100FULL)
 		result |= ADVERTISED_100baseT_Full;
+	if (advert & ADVERTISE_PAUSE_CAP)
+		result |= ADVERTISED_Pause;
+	if (advert & ADVERTISE_PAUSE_ASYM)
+		result |= ADVERTISED_Asym_Pause;
 
 	return result;
 }

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