3 files changed, 78 insertions, 1 deletions

diff --git a/include/linux/filter.h b/include/linux/filter.h
index 45266b75409a..4609b85e559d 100644
--- a/include/linux/filter.h
+++ b/include/linux/filter.h
@@ -135,6 +135,8 @@ struct sk_filter
 {
         atomic_t                refcnt;
         unsigned int            len;    /* Number of filter blocks */
+        unsigned int            (*bpf_func)(const struct sk_buff *skb,
+                                            const struct sock_filter *filter);
         struct rcu_head         rcu;
         struct sock_filter      insns[0];
 };
@@ -153,6 +155,80 @@ extern unsigned int sk_run_filter(const struct sk_buff *skb,
 extern int sk_attach_filter(struct sock_fprog *fprog, struct sock *sk);
 extern int sk_detach_filter(struct sock *sk);
 extern int sk_chk_filter(struct sock_filter *filter, int flen);
+
+#ifdef CONFIG_BPF_JIT
+extern void bpf_jit_compile(struct sk_filter *fp);
+extern void bpf_jit_free(struct sk_filter *fp);
+#define SK_RUN_FILTER(FILTER, SKB) (*FILTER->bpf_func)(SKB, FILTER->insns)
+#else
+static inline void bpf_jit_compile(struct sk_filter *fp)
+{
+}
+static inline void bpf_jit_free(struct sk_filter *fp)
+{
+}
+#define SK_RUN_FILTER(FILTER, SKB) sk_run_filter(SKB, FILTER->insns)
+#endif
+
+enum {
+        BPF_S_RET_K = 1,
+        BPF_S_RET_A,
+        BPF_S_ALU_ADD_K,
+        BPF_S_ALU_ADD_X,
+        BPF_S_ALU_SUB_K,
+        BPF_S_ALU_SUB_X,
+        BPF_S_ALU_MUL_K,
+        BPF_S_ALU_MUL_X,
+        BPF_S_ALU_DIV_X,
+        BPF_S_ALU_AND_K,
+        BPF_S_ALU_AND_X,
+        BPF_S_ALU_OR_K,
+        BPF_S_ALU_OR_X,
+        BPF_S_ALU_LSH_K,
+        BPF_S_ALU_LSH_X,
+        BPF_S_ALU_RSH_K,
+        BPF_S_ALU_RSH_X,
+        BPF_S_ALU_NEG,
+        BPF_S_LD_W_ABS,
+        BPF_S_LD_H_ABS,
+        BPF_S_LD_B_ABS,
+        BPF_S_LD_W_LEN,
+        BPF_S_LD_W_IND,
+        BPF_S_LD_H_IND,
+        BPF_S_LD_B_IND,
+        BPF_S_LD_IMM,
+        BPF_S_LDX_W_LEN,
+        BPF_S_LDX_B_MSH,
+        BPF_S_LDX_IMM,
+        BPF_S_MISC_TAX,
+        BPF_S_MISC_TXA,
+        BPF_S_ALU_DIV_K,
+        BPF_S_LD_MEM,
+        BPF_S_LDX_MEM,
+        BPF_S_ST,
+        BPF_S_STX,
+        BPF_S_JMP_JA,
+        BPF_S_JMP_JEQ_K,
+        BPF_S_JMP_JEQ_X,
+        BPF_S_JMP_JGE_K,
+        BPF_S_JMP_JGE_X,
+        BPF_S_JMP_JGT_K,
+        BPF_S_JMP_JGT_X,
+        BPF_S_JMP_JSET_K,
+        BPF_S_JMP_JSET_X,
+        /* Ancillary data */
+        BPF_S_ANC_PROTOCOL,
+        BPF_S_ANC_PKTTYPE,
+        BPF_S_ANC_IFINDEX,
+        BPF_S_ANC_NLATTR,
+        BPF_S_ANC_NLATTR_NEST,
+        BPF_S_ANC_MARK,
+        BPF_S_ANC_QUEUE,
+        BPF_S_ANC_HATYPE,
+        BPF_S_ANC_RXHASH,
+        BPF_S_ANC_CPU,
+};
+
 #endif /* __KERNEL__ */
 
 #endif /* __LINUX_FILTER_H__ */
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index cb8178ab3c52..364bcf212f71 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -2514,6 +2514,7 @@ extern struct rtnl_link_stats64 *dev_get_stats(struct net_device *dev,
 extern int              netdev_max_backlog;
 extern int              netdev_tstamp_prequeue;
 extern int              weight_p;
+extern int              bpf_jit_enable;
 extern int              netdev_set_master(struct net_device *dev, struct net_device *master);
 extern int netdev_set_bond_master(struct net_device *dev,
                                   struct net_device *master);
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index d0ae90af0b40..79aafbbf430a 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -391,8 +391,8 @@ struct sk_buff {
 
         __u32                   rxhash;
 
+        __u16                   queue_mapping;
         kmemcheck_bitfield_begin(flags2);
-        __u16                   queue_mapping:16;
 #ifdef CONFIG_IPV6_NDISC_NODETYPE
         __u8                    ndisc_nodetype:2;
 #endif