[PATCH net-next v3 0/3] net: core: Two Helper function about socket information · Chenbo Feng <hidden> · 2017-02-23
[PATCH net-next v3 2/3] Add a eBPF helper function to retrieve socket uid · Chenbo Feng <hidden> · 2017-02-23
Re: [PATCH net-next v3 2/3] Add a eBPF helper function to retrieve socket uid · Willem de Bruijn <willemdebruijn.kernel@gmail.com> · 2017-02-23
[PATCH net-next v3 1/3] Add a helper function to get socket cookie in eBPF · Chenbo Feng <hidden> · 2017-02-23
[PATCH net-next v3 3/3] A Sample of using socket cookie and uid for traffic monitoring · Chenbo Feng <hidden> · 2017-02-23
Re: [PATCH net-next v3 0/3] net: core: Two Helper function about socket information · Willem de Bruijn <willemdebruijn.kernel@gmail.com> · 2017-02-23

Re: [PATCH net-next v3 2/3] Add a eBPF helper function to retrieve socket uid

From: Willem de Bruijn <willemdebruijn.kernel@gmail.com>
Date: 2017-02-23 17:14:19

+BPF_CALL_1(bpf_get_socket_uid, struct sk_buff *, skb)
+{
+       struct sock *sk = sk_to_full_sk(skb->sk);
+       kuid_t kuid = sock_net_uid(dev_net(skb->dev), sk);

dev_net cannot handle a NULL skb->dev

`h`	back out one level
`j`	next message in thread
`k`	previous message in thread
`l`	drill in
`Esc`	close help / fold thread tree
`?`	toggle this help