Re: [PATCH net-next v4 1/3] Add a helper function to get socket cookie in eBPF

2017-03-20 Thread Alexei Starovoitov
On Sun, Mar 19, 2017 at 05:08:42PM -0700, Chenbo Feng wrote: > From: Chenbo Feng > > Retrieve the socket cookie generated by sock_gen_cookie() from a sk_buff > with a known socket. Generates a new cookie if one was not yet set.If > the socket pointer inside sk_buff is NULL, 0 is returned. The hel

Re: [PATCH net-next v4 1/3] Add a helper function to get socket cookie in eBPF

2017-03-20 Thread Alexei Starovoitov
On Sun, Mar 19, 2017 at 05:08:42PM -0700, Chenbo Feng wrote: > From: Chenbo Feng > > Retrieve the socket cookie generated by sock_gen_cookie() from a sk_buff > with a known socket. Generates a new cookie if one was not yet set.If > the socket pointer inside sk_buff is NULL, 0 is returned. The hel

[PATCH net-next v4 1/3] Add a helper function to get socket cookie in eBPF

2017-03-19 Thread Chenbo Feng
From: Chenbo Feng Retrieve the socket cookie generated by sock_gen_cookie() from a sk_buff with a known socket. Generates a new cookie if one was not yet set.If the socket pointer inside sk_buff is NULL, 0 is returned. The helper function coud be useful in monitoring per socket networking traffic