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Commit 34324dc2 authored by Michał Mirosław's avatar Michał Mirosław Committed by David S. Miller
Browse files

net: remove NETIF_F_NO_CSUM feature bit 



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: default avatarMichał Mirosław <mirq-linux@rere.qmqm.pl>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent a861a8b2

drivers/ieee802154/fakehard.c

+1 −1
Original line number Diff line number Diff line
@@ -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;

drivers/misc/sgi-xp/xpnet.c

+1 −1
Original line number Diff line number Diff line
@@ -576,7 +576,7 @@ xpnet_init(void) 
	 * report an error if the data is not retrievable and the

	 * packet will be dropped.

	 */

	xpnet_device->features = NETIF_F_NO_CSUM;

	xpnet_device->features = NETIF_F_HW_CSUM;



	result = register_netdev(xpnet_device);

	if (result != 0) {

drivers/net/bonding/bond_main.c

+1 −1
Original line number Diff line number Diff line
@@ -4361,7 +4361,7 @@ static void bond_setup(struct net_device *bond_dev) 
				NETIF_F_HW_VLAN_RX |

				NETIF_F_HW_VLAN_FILTER;



	bond_dev->hw_features &= ~(NETIF_F_ALL_CSUM & ~NETIF_F_NO_CSUM);

	bond_dev->hw_features &= ~(NETIF_F_ALL_CSUM & ~NETIF_F_HW_CSUM);

	bond_dev->features |= bond_dev->hw_features;

}

drivers/net/can/dev.c

+1 −1
Original line number Diff line number Diff line
@@ -454,7 +454,7 @@ static void can_setup(struct net_device *dev) 


	/* New-style flags. */

	dev->flags = IFF_NOARP;

	dev->features = NETIF_F_NO_CSUM;

	dev->features = NETIF_F_HW_CSUM;

}



struct sk_buff *alloc_can_skb(struct net_device *dev, struct can_frame **cf)

drivers/net/can/slcan.c

+1 −1
Original line number Diff line number Diff line
@@ -387,7 +387,7 @@ static void slc_setup(struct net_device *dev) 


	/* New-style flags. */

	dev->flags		= IFF_NOARP;

	dev->features           = NETIF_F_NO_CSUM;

	dev->features           = NETIF_F_HW_CSUM;

}



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