Files
kernel/include/linux
Dongli Zhang 736f16de75 net: tap: track dropped skb via kfree_skb_reason()
The TAP can be used as vhost-net backend. E.g., the tap_handle_frame() is
the interface to forward the skb from TAP to vhost-net/virtio-net.

However, there are many "goto drop" in the TAP driver. Therefore, the
kfree_skb_reason() is involved at each "goto drop" to help userspace
ftrace/ebpf to track the reason for the loss of packets.

The below reasons are introduced:

- SKB_DROP_REASON_SKB_CSUM
- SKB_DROP_REASON_SKB_GSO_SEG
- SKB_DROP_REASON_SKB_UCOPY_FAULT
- SKB_DROP_REASON_DEV_HDR
- SKB_DROP_REASON_FULL_RING

Cc: Joao Martins <joao.m.martins@oracle.com>
Cc: Joe Jin <joe.jin@oracle.com>
Signed-off-by: Dongli Zhang <dongli.zhang@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2022-03-06 11:04:01 +00:00
..
2022-02-01 14:25:50 +02:00
2022-01-22 08:33:34 +02:00
2022-01-15 08:47:31 -08:00
2022-01-09 10:36:51 -07:00
2021-12-10 17:10:55 -08:00
2021-12-10 12:51:28 +01:00
2022-01-15 08:47:31 -08:00
2022-01-20 08:52:54 +02:00
2022-01-04 13:15:33 -05:00
2022-03-02 22:44:49 -08:00
2021-12-17 09:06:15 +01:00
2021-12-20 09:03:05 +01:00
2022-02-05 15:20:34 +00:00
2022-01-27 13:53:26 +00:00
2021-12-16 22:22:20 +01:00
2022-02-09 09:24:40 -05:00
2022-01-12 10:14:09 -06:00
2022-01-31 11:30:56 +00:00
2022-01-22 08:33:37 +02:00
2022-01-08 12:43:57 -06:00
2022-01-24 14:45:02 +01:00
2022-01-22 08:33:37 +02:00
2022-01-22 08:33:38 +02:00
2022-01-27 13:53:27 +00:00
2021-12-30 12:13:04 +01:00
2022-01-14 18:50:52 -05:00
2021-12-09 10:49:56 -08:00
2022-01-08 00:28:41 -05:00