Commit e24eb521 authored by Christian Borntraeger's avatar Christian Borntraeger Committed by David S. Miller

[NET]: note that NETIF_F_LLTX is deprecated

Am Freitag, 21. September 2007 schrieb Herbert Xu:
> Please don't use LLTX in new drivers.  We're trying to get rid
> of it since it's
>
> 1) unnecessary;
> 2) causes problems with AF_PACKET seeing things twice.

I suggest to document that LLTX is deprecated.
Signed-off-by: default avatarChristian Borntraeger <borntraeger@de.ibm.com>
Acked-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 1156b2c6
...@@ -73,7 +73,8 @@ dev->hard_start_xmit: ...@@ -73,7 +73,8 @@ dev->hard_start_xmit:
has to lock by itself when needed. It is recommended to use a try lock has to lock by itself when needed. It is recommended to use a try lock
for this and return NETDEV_TX_LOCKED when the spin lock fails. for this and return NETDEV_TX_LOCKED when the spin lock fails.
The locking there should also properly protect against The locking there should also properly protect against
set_multicast_list. set_multicast_list. Note that the use of NETIF_F_LLTX is deprecated.
Dont use it for new drivers.
Context: Process with BHs disabled or BH (timer), Context: Process with BHs disabled or BH (timer),
will be called with interrupts disabled by netconsole. will be called with interrupts disabled by netconsole.
......
...@@ -449,7 +449,8 @@ struct net_device ...@@ -449,7 +449,8 @@ struct net_device
#define NETIF_F_HW_VLAN_FILTER 512 /* Receive filtering on VLAN */ #define NETIF_F_HW_VLAN_FILTER 512 /* Receive filtering on VLAN */
#define NETIF_F_VLAN_CHALLENGED 1024 /* Device cannot handle VLAN packets */ #define NETIF_F_VLAN_CHALLENGED 1024 /* Device cannot handle VLAN packets */
#define NETIF_F_GSO 2048 /* Enable software GSO. */ #define NETIF_F_GSO 2048 /* Enable software GSO. */
#define NETIF_F_LLTX 4096 /* LockLess TX */ #define NETIF_F_LLTX 4096 /* LockLess TX - deprecated. Please */
/* do not use LLTX in new drivers */
#define NETIF_F_NETNS_LOCAL 8192 /* Does not change network namespaces */ #define NETIF_F_NETNS_LOCAL 8192 /* Does not change network namespaces */
#define NETIF_F_MULTI_QUEUE 16384 /* Has multiple TX/RX queues */ #define NETIF_F_MULTI_QUEUE 16384 /* Has multiple TX/RX queues */
#define NETIF_F_LRO 32768 /* large receive offload */ #define NETIF_F_LRO 32768 /* large receive offload */
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment