diff options
| 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/netdevices.txt | |
| parent | 8dec7c70575785729a6a9e6719a955e9c545bcab (diff) | |
Linux-libre 4.7.1-gnupck-4.7.1-gnu
Diffstat (limited to 'Documentation/networking/netdevices.txt')
| -rw-r--r-- | Documentation/networking/netdevices.txt | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/Documentation/networking/netdevices.txt b/Documentation/networking/netdevices.txt index 0b1cf6b2a..7fec2061a 100644 --- a/Documentation/networking/netdevices.txt +++ b/Documentation/networking/netdevices.txt @@ -69,10 +69,9 @@ ndo_start_xmit: When the driver sets NETIF_F_LLTX in dev->features this will be called without holding netif_tx_lock. In this case the driver - 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_rx_mode. Note that the use of NETIF_F_LLTX is deprecated. + has to lock by itself when needed. + The locking there should also properly protect against + set_rx_mode. WARNING: use of NETIF_F_LLTX is deprecated. Don't use it for new drivers. Context: Process with BHs disabled or BH (timer), @@ -83,8 +82,6 @@ ndo_start_xmit: o NETDEV_TX_BUSY Cannot transmit packet, try later Usually a bug, means queue start/stop flow control is broken in the driver. Note: the driver must NOT put the skb in its DMA ring. - o NETDEV_TX_LOCKED Locking failed, please retry quickly. - Only valid when NETIF_F_LLTX is set. ndo_tx_timeout: Synchronization: netif_tx_lock spinlock; all TX queues frozen. |