iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

flow_dissector: implements flow dissector BPF hook

Browse Source 
Adds a hook for programs of type BPF_PROG_TYPE_FLOW_DISSECTOR and
attach type BPF_FLOW_DISSECTOR that is executed in the flow dissector
path. The BPF program is per-network namespace.

Signed-off-by: Petar Penkov <ppenkov@google.com>
Signed-off-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
This commit is contained in:
Petar Penkov
2018-09-14 07:46:18 -07:00
committed by Alexei Starovoitov
parent 1edb6e035e
commit d58e468b11
10 changed files with 291 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
include/net/sch_generic.h
View File

@ -19,6 +19,7 @@ struct Qdisc_ops;
struct qdisc_walker;
struct tcf_walker;
struct module;
struct bpf_flow_keys;
typedef int tc_setup_cb_t(enum tc_setup_type type,
void *type_data, void *cb_priv);
@ -307,9 +308,14 @@ struct tcf_proto {
};
struct qdisc_skb_cb {
unsigned int pkt_len;
u16 slave_dev_queue_mapping;
u16 tc_classid;
union {
struct {
unsigned int pkt_len;
u16 slave_dev_queue_mapping;
u16 tc_classid;
};
struct bpf_flow_keys *flow_keys;
};
#define QDISC_CB_PRIV_LEN 20
unsigned char data[QDISC_CB_PRIV_LEN];
};