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sfc: Enable RX scatter for flows steered by RFS

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Received packets are only scattered if this is enabled in both the
matching filter and the receiving queue.  This was not being done for
filters inserted for RFS, so any packet requiring more than a single
descriptor was dropped.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ben Hutchings 2013-07-23 00:17:25 +01:00 committed by David S. Miller
parent f0e61604d7
commit 7aa0076c49
1 changed files with 3 additions and 1 deletions
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4
drivers/net/ethernet/sfc/filter.c
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@ -1209,7 +1209,9 @@ int efx_filter_rfs(struct net_device *net_dev, const struct sk_buff *skb,
EFX_BUG_ON_PARANOID(skb_headlen(skb) < nhoff + 4 * ip->ihl + 4);
ports = (const __be16 *)(skb->data + nhoff + 4 * ip->ihl);
efx_filter_init_rx(&spec, EFX_FILTER_PRI_HINT, 0, rxq_index);
efx_filter_init_rx(&spec, EFX_FILTER_PRI_HINT,
efx->rx_scatter ? EFX_FILTER_FLAG_RX_SCATTER : 0,
rxq_index);
rc = efx_filter_set_ipv4_full(&spec, ip->protocol,
ip->daddr, ports[1], ip->saddr, ports[0]);
if (rc)