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sfc: Add support for RX flow hash control

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Allow ethtool to query the number of RX rings, the fields used in RX
flow hashing and the hash indirection table.

Allow ethtool to update the RX flow hash indirection table.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ben Hutchings
2010-06-30 05:06:28 +00:00
committed by David S. Miller
parent a5b6ee291e
commit 765c9f4686
5 changed files with 105 additions and 10 deletions
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3
drivers/net/sfc/efx.c
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@ -1121,6 +1121,7 @@ static void efx_set_channels(struct efx_nic *efx)
static int efx_probe_nic(struct efx_nic *efx)
{
size_t i;
int rc;
netif_dbg(efx, probe, efx->net_dev, "creating NIC\n");
@ -1136,6 +1137,8 @@ static int efx_probe_nic(struct efx_nic *efx)
if (efx->n_channels > 1)
get_random_bytes(&efx->rx_hash_key, sizeof(efx->rx_hash_key));
for (i = 0; i < ARRAY_SIZE(efx->rx_indir_table); i++)
efx->rx_indir_table[i] = i % efx->n_rx_channels;
efx_set_channels(efx);
efx->net_dev->real_num_tx_queues = efx->n_tx_channels;