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authorBen Hutchings <bhutchings@solarflare.com>2011-12-15 17:56:49 +0400
committerDavid S. Miller <davem@davemloft.net>2011-12-16 22:53:18 +0400
commit278bc4296bd64ffd1d3913b487dc8a520e423a7a (patch)
tree87781870cf9b96398a90fae6ebe1dae6d43d9ea4 /drivers/net/vmxnet3
parent7850f63f1620512631445b901ae11cd149e7375c (diff)
downloadlinux-278bc4296bd64ffd1d3913b487dc8a520e423a7a.tar.xz
ethtool: Define and apply a default policy for RX flow hash indirection
All drivers that support modification of the RX flow hash indirection table initialise it in the same way: RX rings are assigned to table entries in rotation. Make that default policy explicit by having them call a ethtool_rxfh_indir_default() function. In the ethtool core, add support for a zero size value for ETHTOOL_SRXFHINDIR, which resets the table to this default. Partly-suggested-by: Matt Carlson <mcarlson@broadcom.com> Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Acked-by: Shreyas N Bhatewara <sbhatewara@vmware.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/vmxnet3')
-rw-r--r--drivers/net/vmxnet3/vmxnet3_drv.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/net/vmxnet3/vmxnet3_drv.c b/drivers/net/vmxnet3/vmxnet3_drv.c
index 1c2ae11a9e35..de7fc345148a 100644
--- a/drivers/net/vmxnet3/vmxnet3_drv.c
+++ b/drivers/net/vmxnet3/vmxnet3_drv.c
@@ -2167,7 +2167,8 @@ vmxnet3_setup_driver_shared(struct vmxnet3_adapter *adapter)
rssConf->indTableSize = VMXNET3_RSS_IND_TABLE_SIZE;
get_random_bytes(&rssConf->hashKey[0], rssConf->hashKeySize);
for (i = 0; i < rssConf->indTableSize; i++)
- rssConf->indTable[i] = i % adapter->num_rx_queues;
+ rssConf->indTable[i] = ethtool_rxfh_indir_default(
+ i, adapter->num_rx_queues);
devRead->rssConfDesc.confVer = 1;
devRead->rssConfDesc.confLen = sizeof(*rssConf);