diff options
| author | Ben Greear <greearb@candelatech.com> | 2005-04-24 23:13:19 -0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2005-04-24 23:13:19 -0400 |
| commit | aa77d26961fa4ecb11fe4209578dcd62ad15819d (patch) | |
| tree | eecfa2fc73643866dc1a6ad4dd415b43b442632f /Documentation | |
| parent | af191367a752625b9f05a25a9a76c727b9b17cab (diff) | |
[NET]: Document ->hard_start_xmit() locking in netdevices.txt
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/networking/netdevices.txt | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/Documentation/networking/netdevices.txt b/Documentation/networking/netdevices.txt index 1509f3aff968..3c0a5ba614d7 100644 --- a/Documentation/networking/netdevices.txt +++ b/Documentation/networking/netdevices.txt | |||
| @@ -51,6 +51,8 @@ dev->hard_start_xmit: | |||
| 51 | set_multicast_list | 51 | set_multicast_list |
| 52 | Context: BHs disabled | 52 | Context: BHs disabled |
| 53 | Notes: netif_queue_stopped() is guaranteed false | 53 | Notes: netif_queue_stopped() is guaranteed false |
| 54 | Interrupts must be enabled when calling hard_start_xmit. | ||
| 55 | (Interrupts must also be enabled when enabling the BH handler.) | ||
| 54 | Return codes: | 56 | Return codes: |
| 55 | o NETDEV_TX_OK everything ok. | 57 | o NETDEV_TX_OK everything ok. |
| 56 | o NETDEV_TX_BUSY Cannot transmit packet, try later | 58 | o NETDEV_TX_BUSY Cannot transmit packet, try later |