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: Christian Borntraeger <[EMAIL PROTECTED]>
---
Documentation/networking/netdevices.txt | 3 ++-
include/linux/netdevice.h | 3 ++-
2 files changed, 4 insertions(+), 2 deletions(-)
Index: linux-2.6/include/linux/netdevice.h
===================================================================
--- linux-2.6.orig/include/linux/netdevice.h
+++ linux-2.6/include/linux/netdevice.h
@@ -339,7 +339,8 @@ struct net_device
#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_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_MULTI_QUEUE 16384 /* Has multiple TX/RX queues */
/* Segmentation offload features */
Index: linux-2.6/Documentation/networking/netdevices.txt
===================================================================
--- linux-2.6.orig/Documentation/networking/netdevices.txt
+++ linux-2.6/Documentation/networking/netdevices.txt
@@ -73,7 +73,8 @@ dev->hard_start_xmit:
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.
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),
will be called with interrupts disabled by netconsole.
-
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