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authorChristian Borntraeger <borntraeger@de.ibm.com>2007-09-25 19:42:02 -0700
committerDavid S. Miller <davem@sunset.davemloft.net>2007-10-10 16:52:17 -0700
commite24eb521fbf2a350ce879dfc1d8e56d4ffa2aa22 (patch)
tree6495c4bd8e2bdd6a376dea5252d36bc61f40c8a6
parent1156b2c689bf509cdc254394598d410787a02aec (diff)
[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: Christian Borntraeger <borntraeger@de.ibm.com> Acked-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--Documentation/networking/netdevices.txt3
-rw-r--r--include/linux/netdevice.h3
2 files changed, 4 insertions, 2 deletions
diff --git a/Documentation/networking/netdevices.txt b/Documentation/networking/netdevices.txt
index 9f7be9b7785..d0f71fc7f78 100644
--- a/Documentation/networking/netdevices.txt
+++ b/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.
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index baa915f0d28..2088097663b 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -449,7 +449,8 @@ 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_NETNS_LOCAL 8192 /* Does not change network namespaces */
#define NETIF_F_MULTI_QUEUE 16384 /* Has multiple TX/RX queues */
#define NETIF_F_LRO 32768 /* large receive offload */