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authorPetar Penkov <ppenkov@google.com>2018-09-14 07:46:18 -0700
committerAlexei Starovoitov <ast@kernel.org>2018-09-14 12:04:33 -0700
commitd58e468b1112dcd1d5193c0a89ff9f98b5a3e8b9 (patch)
treeaca881df342a9ac9bcef834f5fc2621f5a095403 /include/net/sch_generic.h
parentnet/core/filter: fix unused-variable warning (diff)
downloadlinux-dev-d58e468b1112dcd1d5193c0a89ff9f98b5a3e8b9.tar.xz
linux-dev-d58e468b1112dcd1d5193c0a89ff9f98b5a3e8b9.zip
flow_dissector: implements flow dissector BPF hook
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>
Diffstat (limited to 'include/net/sch_generic.h')
-rw-r--r--include/net/sch_generic.h12
1 files changed, 9 insertions, 3 deletions
diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h
index a6d00093f35e..1b81ba85fd2d 100644
--- a/include/net/sch_generic.h
+++ b/include/net/sch_generic.h
@@ -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];
};