#ifndef included_ip_ip4_h
#define included_ip_ip4_h
-#include <vnet/ip/ip4_mtrie.h>
#include <vnet/ip/ip4_packet.h>
#include <vnet/ip/lookup.h>
+#include <vnet/buffer.h>
#include <vnet/feature/feature.h>
-typedef struct ip4_fib_t
-{
- /* Hash table for each prefix length mapping. */
- uword *fib_entry_by_dst_address[33];
-
- /* Mtrie for fast lookups. Hash is used to maintain overlapping prefixes. */
- ip4_fib_mtrie_t mtrie;
-
- /* Table ID (hash key) for this FIB. */
- u32 table_id;
-
- /* Index into FIB vector. */
- u32 index;
-
- /* flow hash configuration */
- flow_hash_config_t flow_hash_config;
-
- /* N-tuple classifier indices */
- u32 fwd_classify_table_index;
- u32 rev_classify_table_index;
-
-} ip4_fib_t;
-
typedef struct ip4_mfib_t
{
/* Hash table for each prefix length mapping. */
/** Vector of FIBs. */
struct fib_table_t_ *fibs;
+ /** Vector of MTries. */
+ struct ip4_fib_t_ *v4_fibs;
+
/** Vector of MFIBs. */
struct mfib_table_t_ *mfibs;
int vnet_set_ip4_flow_hash (u32 table_id,
flow_hash_config_t flow_hash_config);
-void ip4_mtrie_init (ip4_fib_mtrie_t * m);
-
int vnet_set_ip4_classify_intfc (vlib_main_t * vm, u32 sw_if_index,
u32 table_index);
*/
always_inline void *
vlib_buffer_push_ip4 (vlib_main_t * vm, vlib_buffer_t * b,
- ip4_address_t * src, ip4_address_t * dst, int proto)
+ ip4_address_t * src, ip4_address_t * dst, int proto,
+ u8 csum_offload)
{
ip4_header_t *ih;
ih->src_address.as_u32 = src->as_u32;
ih->dst_address.as_u32 = dst->as_u32;
- ih->checksum = ip4_header_checksum (ih);
+ /* Offload ip4 header checksum generation */
+ if (csum_offload)
+ {
+ ih->checksum = 0;
+ b->flags |= VNET_BUFFER_F_OFFLOAD_IP_CKSUM | VNET_BUFFER_F_IS_IP4;
+ vnet_buffer (b)->l3_hdr_offset = (u8 *) ih - b->data;
+ vnet_buffer (b)->l4_hdr_offset = vnet_buffer (b)->l3_hdr_offset +
+ sizeof (*ih);
+ }
+ else
+ ih->checksum = ip4_header_checksum (ih);
+
return ih;
}
#endif /* included_ip_ip4_h */