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ixgbe: Avoid to write the RETA table when unnecessary

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If indir == 0 in the ixgbe_set_rxfh(), it is unnecessary
to write the HW. Because redirection table is not changed.

Signed-off-by: Tonghao Zhang <xiangxia.m.yue@gmail.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This commit is contained in:
Tonghao Zhang 2018-01-28 03:53:37 -08:00 committed by Jeff Kirsher
parent 8f611fb046
commit 60f4b64549
1 changed files with 2 additions and 2 deletions
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4
drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c
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@ -3059,6 +3059,8 @@ static int ixgbe_set_rxfh(struct net_device *netdev, const u32 *indir,
for (i = 0; i < reta_entries; i++)
adapter->rss_indir_tbl[i] = indir[i];
ixgbe_store_reta(adapter);
}
/* Fill out the rss hash key */
@ -3067,8 +3069,6 @@ static int ixgbe_set_rxfh(struct net_device *netdev, const u32 *indir,
ixgbe_store_key(adapter);
}
ixgbe_store_reta(adapter);
return 0;
}