diff options
Diffstat (limited to 'include/linux/netdevice.h')
| -rw-r--r-- | include/linux/netdevice.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index 4e967b2e22cc..caa3c2593719 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h | |||
| @@ -66,6 +66,10 @@ struct netpoll_info; | |||
| 66 | #define NET_RX_CN_HIGH 4 /* The storm is here */ | 66 | #define NET_RX_CN_HIGH 4 /* The storm is here */ |
| 67 | #define NET_RX_BAD 5 /* packet dropped due to kernel error */ | 67 | #define NET_RX_BAD 5 /* packet dropped due to kernel error */ |
| 68 | 68 | ||
| 69 | /* NET_XMIT_CN is special. It does not guarantee that this packet is lost. It | ||
| 70 | * indicates that the device will soon be dropping packets, or already drops | ||
| 71 | * some packets of the same priority; prompting us to send less aggressively. */ | ||
| 72 | #define net_xmit_eval(e) ((e) == NET_XMIT_CN? 0 : (e)) | ||
| 69 | #define net_xmit_errno(e) ((e) != NET_XMIT_CN ? -ENOBUFS : 0) | 73 | #define net_xmit_errno(e) ((e) != NET_XMIT_CN ? -ENOBUFS : 0) |
| 70 | 74 | ||
| 71 | #endif | 75 | #endif |