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net: remove NETIF_F_NO_CSUM feature bit

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Only distinct use is checking if NETIF_F_NOCACHE_COPY should be
enabled by default. The check heuristics is altered a bit here,
so it hits other people than before. The default shouldn't be
trusted for performance-critical cases anyway.

For all other uses NETIF_F_NO_CSUM is equivalent to NETIF_F_HW_CSUM.

Signed-off-by: Michał Mirosław <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
This commit is contained in:
Michał Mirosław 2011-11-15 15:29:55 +00:00 • committed by David S. Miller
commit 34324dc2bf
14 changed files with 19 additions and 31 deletions
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2
drivers/ieee802154/fakehard.c
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@ -343,7 +343,7 @@ static void ieee802154_fake_setup(struct net_device *dev)
{
dev->addr_len = IEEE802154_ADDR_LEN;
memset(dev->broadcast, 0xff, IEEE802154_ADDR_LEN);
dev->features = NETIF_F_NO_CSUM;
dev->features = NETIF_F_HW_CSUM;
dev->needed_tailroom = 2; /* FCS */
dev->mtu = 127;
dev->tx_queue_len = 10;