Martin KaFai Lau 17bedab272 bpf: xdp: Allow head adjustment in XDP prog ... This patch allows XDP prog to extend/remove the packet data at the head (like adding or removing header). It is done by adding a new XDP helper bpf_xdp_adjust_head(). It also renames bpf_helper_changes_skb_data() to bpf_helper_changes_pkt_data() to better reflect that XDP prog does not work on skb. This patch adds one "xdp_adjust_head" bit to bpf_prog for the XDP-capable driver to check if the XDP prog requires bpf_xdp_adjust_head() support. The driver can then decide to error out during XDP_SETUP_PROG. Signed-off-by: Martin KaFai Lau <kafai@fb.com> Acked-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Alexei Starovoitov <ast@kernel.org> Acked-by: John Fastabend <john.r.fastabend@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>		2016-12-08 14:25:13 -05:00
..
arraymap.c	bpf: Add bpf_current_task_under_cgroup helper	2016-08-12 21:49:41 -07:00
bpf_lru_list.c	bpf: Fix compilation warning in __bpf_lru_list_rotate_inactive	2016-11-16 11:30:56 -05:00
bpf_lru_list.h	bpf: Add percpu LRU list	2016-11-15 11:50:20 -05:00
cgroup.c	bpf: Add new cgroup attach type to enable sock modifications	2016-12-02 13:46:08 -05:00
core.c	bpf: xdp: Allow head adjustment in XDP prog	2016-12-08 14:25:13 -05:00
hashtab.c	bpf: Add BPF_MAP_TYPE_LRU_PERCPU_HASH	2016-11-15 11:50:20 -05:00
helpers.c	bpf: add helper for retrieving current numa node id	2016-10-22 17:05:52 -04:00
inode.c	bpf: allow for mount options to specify permissions	2016-11-27 20:38:47 -05:00
Makefile	cgroup: add support for eBPF programs	2016-11-25 16:25:52 -05:00
percpu_freelist.c	bpf: introduce percpu_freelist	2016-03-08 15:28:31 -05:00
percpu_freelist.h	bpf: introduce percpu_freelist	2016-03-08 15:28:31 -05:00
stackmap.c	bpf: add BPF_CALL_x macros for declaring helpers	2016-09-09 19:36:04 -07:00
syscall.c	bpf: xdp: Allow head adjustment in XDP prog	2016-12-08 14:25:13 -05:00
verifier.c	bpf: xdp: Allow head adjustment in XDP prog	2016-12-08 14:25:13 -05:00