4 #include <linux/types.h>
11 /* Buffers are identified to userspace by a 31-bit opaque ID. We divide the ID
12 * into a buffer number (low bits) and a cookie (high bits). The buffer number
13 * is an index into an array of buffers. The cookie distinguishes between
14 * different packets that have occupied a single buffer. Thus, the more
15 * buffers we have, the lower-quality the cookie... */
16 #define PKT_BUFFER_BITS 8
17 #define N_PKT_BUFFERS (1 << PKT_BUFFER_BITS)
18 #define PKT_BUFFER_MASK (N_PKT_BUFFERS - 1)
20 #define PKT_COOKIE_BITS (32 - PKT_BUFFER_BITS)
23 void fwd_port_input(struct sw_chain *, struct sk_buff *, int in_port);
24 int fwd_control_input(struct sw_chain *, const void *, size_t);
26 uint32_t fwd_save_skb(struct sk_buff *skb);
30 struct sk_buff *execute_setter(struct sk_buff *, uint16_t,
31 const struct sw_flow_key *, const struct ofp_action *);
33 #endif /* forward.h */