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net: Add ethtool to mii advertisment conversion helpers

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Translating between ethtool advertisement settings and MII
advertisements are common operations for ethernet drivers.  This patch
adds a set of helper functions that implements the conversion.  The
patch then modifies a couple of the drivers to use the new functions.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Matt Carlson
2011-11-16 18:36:59 -05:00
committed by David S. Miller
parent f85fa27913
commit 28011cf19b
6 changed files with 196 additions and 119 deletions
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15
drivers/net/ethernet/sun/niu.c
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@@ -1151,19 +1151,8 @@ static int link_status_mii(struct niu *np, int *link_up_p)
supported |= SUPPORTED_1000baseT_Full;
lp->supported = supported;
advertising = 0;
if (advert & ADVERTISE_10HALF)
advertising |= ADVERTISED_10baseT_Half;
if (advert & ADVERTISE_10FULL)
advertising |= ADVERTISED_10baseT_Full;
if (advert & ADVERTISE_100HALF)
advertising |= ADVERTISED_100baseT_Half;
if (advert & ADVERTISE_100FULL)
advertising |= ADVERTISED_100baseT_Full;
if (ctrl1000 & ADVERTISE_1000HALF)
advertising |= ADVERTISED_1000baseT_Half;
if (ctrl1000 & ADVERTISE_1000FULL)
advertising |= ADVERTISED_1000baseT_Full;
advertising = mii_adv_to_ethtool_100bt(advert);
advertising |= mii_adv_to_ethtool_1000T(ctrl1000);
if (bmcr & BMCR_ANENABLE) {
int neg, neg1000;