diff options
Diffstat (limited to 'arch/powerpc/net')
| -rw-r--r-- | arch/powerpc/net/bpf_jit_comp.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/arch/powerpc/net/bpf_jit_comp.c b/arch/powerpc/net/bpf_jit_comp.c index b9434de8222..e834f1ec23c 100644 --- a/arch/powerpc/net/bpf_jit_comp.c +++ b/arch/powerpc/net/bpf_jit_comp.c @@ -13,6 +13,8 @@ #include <asm/cacheflush.h> #include <linux/netdevice.h> #include <linux/filter.h> +#include <linux/if_vlan.h> + #include "bpf_jit.h" #ifndef __BIG_ENDIAN @@ -89,6 +91,8 @@ static void bpf_jit_build_prologue(struct sk_filter *fp, u32 *image, case BPF_S_ANC_IFINDEX: case BPF_S_ANC_MARK: case BPF_S_ANC_RXHASH: + case BPF_S_ANC_VLAN_TAG: + case BPF_S_ANC_VLAN_TAG_PRESENT: case BPF_S_ANC_CPU: case BPF_S_ANC_QUEUE: case BPF_S_LD_W_ABS: @@ -382,6 +386,16 @@ static int bpf_jit_build_body(struct sk_filter *fp, u32 *image, PPC_LWZ_OFFS(r_A, r_skb, offsetof(struct sk_buff, rxhash)); break; + case BPF_S_ANC_VLAN_TAG: + case BPF_S_ANC_VLAN_TAG_PRESENT: + BUILD_BUG_ON(FIELD_SIZEOF(struct sk_buff, vlan_tci) != 2); + PPC_LHZ_OFFS(r_A, r_skb, offsetof(struct sk_buff, + vlan_tci)); + if (filter[i].code == BPF_S_ANC_VLAN_TAG) + PPC_ANDI(r_A, r_A, VLAN_VID_MASK); + else + PPC_ANDI(r_A, r_A, VLAN_TAG_PRESENT); + break; case BPF_S_ANC_QUEUE: BUILD_BUG_ON(FIELD_SIZEOF(struct sk_buff, queue_mapping) != 2); |