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| author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-09-11 04:34:46 -0300 |
|---|---|---|
| committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-09-11 04:34:46 -0300 |
| commit | 863981e96738983919de841ec669e157e6bdaeb0 (patch) | |
| tree | d6d89a12e7eb8017837c057935a2271290907f76 /Documentation/networking/netdev-features.txt | |
| parent | 8dec7c70575785729a6a9e6719a955e9c545bcab (diff) | |
Linux-libre 4.7.1-gnupck-4.7.1-gnu
Diffstat (limited to 'Documentation/networking/netdev-features.txt')
| -rw-r--r-- | Documentation/networking/netdev-features.txt | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/Documentation/networking/netdev-features.txt b/Documentation/networking/netdev-features.txt index f310edec8..7413eb052 100644 --- a/Documentation/networking/netdev-features.txt +++ b/Documentation/networking/netdev-features.txt @@ -131,13 +131,11 @@ stack. Driver should not change behaviour based on them. * LLTX driver (deprecated for hardware drivers) -NETIF_F_LLTX should be set in drivers that implement their own locking in -transmit path or don't need locking at all (e.g. software tunnels). -In ndo_start_xmit, it is recommended to use a try_lock and return -NETDEV_TX_LOCKED when the spin lock fails. The locking should also properly -protect against other callbacks (the rules you need to find out). +NETIF_F_LLTX is meant to be used by drivers that don't need locking at all, +e.g. software tunnels. -Don't use it for new drivers. +This is also used in a few legacy drivers that implement their +own locking, don't use it for new (hardware) drivers. * netns-local device |