diff --git a/include/uapi/linux/bpf.h b/include/uapi/linux/bpf.h index bc0d27d3fbdd..2ce13c109b00 100644 --- a/include/uapi/linux/bpf.h +++ b/include/uapi/linux/bpf.h @@ -290,6 +290,7 @@ struct __sk_buff { __u32 ifindex; __u32 tc_index; __u32 cb[5]; + __u32 hash; }; struct bpf_tunnel_key { diff --git a/net/core/filter.c b/net/core/filter.c index 1b72264ff2ee..a50dbfa83ad9 100644 --- a/net/core/filter.c +++ b/net/core/filter.c @@ -1711,6 +1711,13 @@ static u32 bpf_net_convert_ctx_access(enum bpf_access_type type, int dst_reg, offsetof(struct net_device, ifindex)); break; + case offsetof(struct __sk_buff, hash): + BUILD_BUG_ON(FIELD_SIZEOF(struct sk_buff, hash) != 4); + + *insn++ = BPF_LDX_MEM(BPF_W, dst_reg, src_reg, + offsetof(struct sk_buff, hash)); + break; + case offsetof(struct __sk_buff, mark): BUILD_BUG_ON(FIELD_SIZEOF(struct sk_buff, mark) != 4);