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igc: Add initial EEE support

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IEEE802.3az-2010 Energy Efficient Ethernet has been
approved as standard (September 2010) and the driver
can enable and disable it via ethtool.
Disable the feature by default on parts which support it.
Add enable/disable eee options.
tx-lpi, tx-timer and advertise not supported yet.

Signed-off-by: Sasha Neftin <sasha.neftin@intel.com>
Reviewed-by: Andre Guedes <andre.guedes@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This commit is contained in:
Sasha Neftin
2020-05-27 13:51:32 -07:00
committed by Jeff Kirsher
parent b8483ecaf7
commit 93ec439abe
8 changed files with 189 additions and 0 deletions
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4
drivers/net/ethernet/intel/igc/igc.h
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@@ -117,6 +117,9 @@ struct igc_ring {
struct igc_adapter {
struct net_device *netdev;
struct ethtool_eee eee;
u16 eee_advert;
unsigned long state;
unsigned int flags;
unsigned int num_q_vectors;
@@ -255,6 +258,7 @@ extern char igc_driver_name[];
#define IGC_FLAG_MEDIA_RESET BIT(10)
#define IGC_FLAG_MAS_ENABLE BIT(12)
#define IGC_FLAG_HAS_MSIX BIT(13)
#define IGC_FLAG_EEE BIT(14)
#define IGC_FLAG_VLAN_PROMISC BIT(15)
#define IGC_FLAG_RX_LEGACY BIT(16)
#define IGC_FLAG_TSN_QBV_ENABLED BIT(17)