Re: [RFC PATCH 1/3] ebpf: add next_skb_frag bpf helper for sk filter

2018-06-08 Thread Tushar Dave
On 06/08/2018 02:46 PM, Tushar Dave wrote: On 06/08/2018 02:27 PM, Daniel Borkmann wrote: On 06/08/2018 11:00 PM, Tushar Dave wrote: Today socket filter only deals with linear skbs. This change allows ebpf programs to look into non-linear skb e.g. skb frags. This will be useful when users

Re: [RFC PATCH 1/3] ebpf: add next_skb_frag bpf helper for sk filter

2018-06-08 Thread Tushar Dave
On 06/08/2018 02:27 PM, Daniel Borkmann wrote: On 06/08/2018 11:00 PM, Tushar Dave wrote: Today socket filter only deals with linear skbs. This change allows ebpf programs to look into non-linear skb e.g. skb frags. This will be useful when users need to look into data which is not contained

Re: [RFC PATCH 1/3] ebpf: add next_skb_frag bpf helper for sk filter

2018-06-08 Thread Daniel Borkmann
On 06/08/2018 11:00 PM, Tushar Dave wrote: > Today socket filter only deals with linear skbs. This change allows > ebpf programs to look into non-linear skb e.g. skb frags. This will be > useful when users need to look into data which is not contained in the > linear part of skb. Hmm, I don't

[RFC PATCH 1/3] ebpf: add next_skb_frag bpf helper for sk filter

2018-06-08 Thread Tushar Dave
Today socket filter only deals with linear skbs. This change allows ebpf programs to look into non-linear skb e.g. skb frags. This will be useful when users need to look into data which is not contained in the linear part of skb. Signed-off-by: Tushar Dave Reviewed-by: Shannon Nelson