Re: [PATCH v4 net-next 3/7] net: ipv4: use kfree_skb_reason() in ip_rcv_core()

[David Ahern]

On 2/5/22 12:47 AM, menglong8.dong@xxxxxxxxx wrote:
> From: Menglong Dong <imagedong@xxxxxxxxxxx>
> 
> Replace kfree_skb() with kfree_skb_reason() in ip_rcv_core(). Three new
> drop reasons are introduced:
> 
> SKB_DROP_REASON_OTHERHOST
> SKB_DROP_REASON_IP_CSUM
> SKB_DROP_REASON_IP_INHDR
> 
> Signed-off-by: Menglong Dong <imagedong@xxxxxxxxxxx>
> ---
> v4:
> - stop making assumptions about the value of
>   SKB_DROP_REASON_NOT_SPECIFIED
> 
> v3:
> - add a path to SKB_DROP_REASON_PKT_TOO_SMALL
> 
> v2:
> - remove unrelated cleanup
> - add document for introduced drop reasons
> ---
>  include/linux/skbuff.h     |  9 +++++++++
>  include/trace/events/skb.h |  3 +++
>  net/ipv4/ip_input.c        | 12 ++++++++++--
>  3 files changed, 22 insertions(+), 2 deletions(-)
> 

Reviewed-by: David Ahern <dsahern@xxxxxxxxxx>