From: Alexei Starovoitov <a...@plumgrid.com> Date: Thu, 4 Jun 2015 10:11:54 -0700
> allow programs read/write skb->mark, tc_index fields and > ((struct qdisc_skb_cb *)cb)->data. > > mark and tc_index are generically useful in TC. > cb[0]-cb[4] are primarily used to pass arguments from one > program to another called via bpf_tail_call() which can > be seen in sockex3_kern.c example. > > All fields of 'struct __sk_buff' are readable to socket and tc_cls_act progs. > mark, tc_index are writeable from tc_cls_act only. > cb[0]-cb[4] are writeable by both sockets and tc_cls_act. > > Add verifier tests and improve sample code. > > Signed-off-by: Alexei Starovoitov <a...@plumgrid.com> Applied. -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
