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authorVadim Fedorenko <vfedorenko@novek.ru>2021-09-10 01:04:09 +0300
committerDaniel Borkmann <daniel@iogearbox.net>2021-09-11 00:20:13 +0300
commit3384c7c7641b44987e35eadbc9df6c16a0520159 (patch)
treec9f94e549e26966186c4e3a6672ce42b6a470b83 /net/bpf
parentf64c4acea51fbe2c08c0b0f48b7f5d1657d7a5e4 (diff)
downloadlinux-3384c7c7641b44987e35eadbc9df6c16a0520159.tar.xz
selftests/bpf: Test new __sk_buff field hwtstamp
Analogous to the gso_segs selftests introduced in commit d9ff286a0f59 ("bpf: allow BPF programs access skb_shared_info->gso_segs field"). Signed-off-by: Vadim Fedorenko <vfedorenko@novek.ru> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Martin KaFai Lau <kafai@fb.com> Link: https://lore.kernel.org/bpf/20210909220409.8804-3-vfedorenko@novek.ru
Diffstat (limited to 'net/bpf')
-rw-r--r--net/bpf/test_run.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/net/bpf/test_run.c b/net/bpf/test_run.c
index 1153b89c9d93..fcb2f493f710 100644
--- a/net/bpf/test_run.c
+++ b/net/bpf/test_run.c
@@ -507,6 +507,12 @@ static int convert___skb_to_skb(struct sk_buff *skb, struct __sk_buff *__skb)
/* gso_size is allowed */
if (!range_is_zero(__skb, offsetofend(struct __sk_buff, gso_size),
+ offsetof(struct __sk_buff, hwtstamp)))
+ return -EINVAL;
+
+ /* hwtstamp is allowed */
+
+ if (!range_is_zero(__skb, offsetofend(struct __sk_buff, hwtstamp),
sizeof(struct __sk_buff)))
return -EINVAL;
@@ -529,6 +535,7 @@ static int convert___skb_to_skb(struct sk_buff *skb, struct __sk_buff *__skb)
return -EINVAL;
skb_shinfo(skb)->gso_segs = __skb->gso_segs;
skb_shinfo(skb)->gso_size = __skb->gso_size;
+ skb_shinfo(skb)->hwtstamps.hwtstamp = __skb->hwtstamp;
return 0;
}
@@ -548,6 +555,7 @@ static void convert_skb_to___skb(struct sk_buff *skb, struct __sk_buff *__skb)
memcpy(__skb->cb, &cb->data, QDISC_CB_PRIV_LEN);
__skb->wire_len = cb->pkt_len;
__skb->gso_segs = skb_shinfo(skb)->gso_segs;
+ __skb->hwtstamp = skb_shinfo(skb)->hwtstamps.hwtstamp;
}
int bpf_prog_test_run_skb(struct bpf_prog *prog, const union bpf_attr *kattr,