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Diffstat (limited to 'kernel/bpf/helpers.c')
-rw-r--r--kernel/bpf/helpers.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/kernel/bpf/helpers.c b/kernel/bpf/helpers.c
index e8e2414d1587..114a875a05b1 100644
--- a/kernel/bpf/helpers.c
+++ b/kernel/bpf/helpers.c
@@ -1530,6 +1530,8 @@ BPF_CALL_5(bpf_dynptr_read, void *, dst, u32, len, const struct bpf_dynptr_kern
return 0;
case BPF_DYNPTR_TYPE_SKB:
return __bpf_skb_load_bytes(src->data, src->offset + offset, dst, len);
+ case BPF_DYNPTR_TYPE_XDP:
+ return __bpf_xdp_load_bytes(src->data, src->offset + offset, dst, len);
default:
WARN_ONCE(true, "bpf_dynptr_read: unknown dynptr type %d\n", type);
return -EFAULT;
@@ -1576,6 +1578,10 @@ BPF_CALL_5(bpf_dynptr_write, const struct bpf_dynptr_kern *, dst, u32, offset, v
case BPF_DYNPTR_TYPE_SKB:
return __bpf_skb_store_bytes(dst->data, dst->offset + offset, src, len,
flags);
+ case BPF_DYNPTR_TYPE_XDP:
+ if (flags)
+ return -EINVAL;
+ return __bpf_xdp_store_bytes(dst->data, dst->offset + offset, src, len);
default:
WARN_ONCE(true, "bpf_dynptr_write: unknown dynptr type %d\n", type);
return -EFAULT;
@@ -1615,7 +1621,8 @@ BPF_CALL_3(bpf_dynptr_data, const struct bpf_dynptr_kern *, ptr, u32, offset, u3
case BPF_DYNPTR_TYPE_RINGBUF:
return (unsigned long)(ptr->data + ptr->offset + offset);
case BPF_DYNPTR_TYPE_SKB:
- /* skb dynptrs should use bpf_dynptr_slice / bpf_dynptr_slice_rdwr */
+ case BPF_DYNPTR_TYPE_XDP:
+ /* skb and xdp dynptrs should use bpf_dynptr_slice / bpf_dynptr_slice_rdwr */
return 0;
default:
WARN_ONCE(true, "bpf_dynptr_data: unknown dynptr type %d\n", type);