netdev - [PATCH bpf-next] bpf: add missing entries to bpf

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Date:   Wed, 27 Feb 2019 11:08:06 -0500
From:   Willem de Bruijn <willemdebruijn.kernel@...il.com>
To:     netdev@...r.kernel.org
Cc:     ast@...nel.org, daniel@...earbox.net, kafai@...com,
        sdf@...ichev.me, Willem de Bruijn <willemb@...gle.com>
Subject: [PATCH bpf-next] bpf: add missing entries to bpf_helpers.h

From: Willem de Bruijn <willemb@...gle.com>

This header defines the BPF functions enumerated in uapi/linux.bpf.h
in a callable format. Expand to include all registered functions.

Signed-off-by: Willem de Bruijn <willemb@...gle.com>

---

changes pre->v1:
  - add brief commit message
    (not copying Acks as they do not necessarily agree with that)

  - change return type from ull to uint for
    bpf_get_cgroup_classid, bpf_get_route_realm, bpf_get_hash_recalc

  - change size arg from int to __u32 for bpf_probe_read_str

---
 tools/testing/selftests/bpf/bpf_helpers.h | 30 +++++++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/tools/testing/selftests/bpf/bpf_helpers.h b/tools/testing/selftests/bpf/bpf_helpers.h
index d9999f1ed1d2a..026bea831e039 100644
--- a/tools/testing/selftests/bpf/bpf_helpers.h
+++ b/tools/testing/selftests/bpf/bpf_helpers.h
@@ -232,6 +232,36 @@ static int (*bpf_skb_change_head)(void *, int len, int flags) =
 	(void *) BPF_FUNC_skb_change_head;
 static int (*bpf_skb_pull_data)(void *, int len) =
 	(void *) BPF_FUNC_skb_pull_data;
+static unsigned int (*bpf_get_cgroup_classid)(void *ctx) =
+	(void *) BPF_FUNC_get_cgroup_classid;
+static unsigned int (*bpf_get_route_realm)(void *ctx) =
+	(void *) BPF_FUNC_get_route_realm;
+static int (*bpf_skb_change_proto)(void *ctx, __be16 proto, __u64 flags) =
+	(void *) BPF_FUNC_skb_change_proto;
+static int (*bpf_skb_change_type)(void *ctx, __u32 type) =
+	(void *) BPF_FUNC_skb_change_type;
+static unsigned int (*bpf_get_hash_recalc)(void *ctx) =
+	(void *) BPF_FUNC_get_hash_recalc;
+static unsigned long long (*bpf_get_current_task)(void *ctx) =
+	(void *) BPF_FUNC_get_current_task;
+static int (*bpf_skb_change_tail)(void *ctx, __u32 len, __u64 flags) =
+	(void *) BPF_FUNC_skb_change_tail;
+static long long (*bpf_csum_update)(void *ctx, __u32 csum) =
+	(void *) BPF_FUNC_csum_update;
+static void (*bpf_set_hash_invalid)(void *ctx) =
+	(void *) BPF_FUNC_set_hash_invalid;
+static int (*bpf_get_numa_node_id)(void) =
+	(void *) BPF_FUNC_get_numa_node_id;
+static int (*bpf_probe_read_str)(void *ctx, __u32 size,
+				 const void *unsafe_ptr) =
+	(void *) BPF_FUNC_probe_read_str;
+static unsigned int (*bpf_get_socket_uid)(void *ctx) =
+	(void *) BPF_FUNC_get_socket_uid;
+static unsigned int (*bpf_set_hash)(void *ctx, __u32 hash) =
+	(void *) BPF_FUNC_set_hash;
+static int (*bpf_skb_adjust_room)(void *ctx, __s32 len_diff, __u32 mode,
+				  unsigned long long flags) =
+	(void *) BPF_FUNC_skb_adjust_room;
 
 /* Scan the ARCH passed in from ARCH env variable (see Makefile) */
 #if defined(__TARGET_ARCH_x86)
-- 
2.21.0.rc2.261.ga7da99ff1b-goog