40 #ifndef included_vnet_rewrite_h 41 #define included_vnet_rewrite_h 73 u16 max_l3_packet_bytes;
86 }) vnet_rewrite_header_t;
94 "Rewrite header too big");
108 #define vnet_declare_rewrite(total_bytes) \ 110 vnet_rewrite_header_t rewrite_header; \ 112 u8 rewrite_data[(total_bytes) - sizeof (vnet_rewrite_header_t)]; \ 127 int max_size,
void *
data,
int data_bytes)
131 ASSERT ((data_bytes >= 0) && (data_bytes < max_size));
133 rw->data_bytes = data_bytes;
135 clib_memset (rw->data + data_bytes, 0xfe, max_size - data_bytes);
138 #define vnet_rewrite_set_data(rw,data,data_bytes) \ 139 vnet_rewrite_set_data_internal (&((rw).rewrite_header), \ 140 sizeof ((rw).rewrite_data), \ 147 ASSERT (rw->data_bytes <= max_size);
151 #define vnet_rewrite_get_data(rw) \ 152 vnet_rewrite_get_data_internal (&((rw).rewrite_header), sizeof ((rw).rewrite_data)) 155 _vnet_rewrite_one_header (vnet_rewrite_header_t * h0,
156 void *packet0,
int most_likely_size)
159 ASSERT (h0->data_bytes != 0xfefe);
163 h0->data, most_likely_size);
168 h0->data, h0->data_bytes);
173 _vnet_rewrite_two_headers (vnet_rewrite_header_t * h0,
174 vnet_rewrite_header_t * h1,
175 void *packet0,
void *packet1,
int most_likely_size)
178 ASSERT (h0->data_bytes != 0xfefe);
179 ASSERT (h1->data_bytes != 0xfefe);
181 (most_likely_size == h0->data_bytes
182 && most_likely_size == h1->data_bytes))
185 h0->data, most_likely_size);
187 h1->data, most_likely_size);
192 h0->data, h0->data_bytes);
194 h1->data, h1->data_bytes);
198 #define vnet_rewrite_one_header(rw0,p0,most_likely_size) \ 199 _vnet_rewrite_one_header (&((rw0).rewrite_header), (p0), \ 202 #define vnet_rewrite_two_headers(rw0,rw1,p0,p1,most_likely_size) \ 203 _vnet_rewrite_two_headers (&((rw0).rewrite_header), &((rw1).rewrite_header), \ 214 u8 *p0 = packet0 - dst_mcast_offset;
217 *p1 |= (*addr & dst_mcast_mask);
221 #define VNET_REWRITE_FOR_SW_INTERFACE_ADDRESS_BROADCAST ((void *) 0) 228 vnet_rewrite_header_t * rw,
229 u32 max_rewrite_bytes);
238 u32 next_node, vnet_rewrite_header_t * rw);
246 const void *dst_address);
u8 * vnet_build_rewrite_for_sw_interface(struct vnet_main_t *vnm, u32 sw_if_index, vnet_link_t packet_type, const void *dst_address)
void vnet_update_adjacency_for_sw_interface(struct vnet_main_t *vnm, u32 sw_if_index, u32 ai)
serialize_function_t unserialize_vnet_rewrite
STATIC_ASSERT(sizeof(vnet_rewrite_header_t)<=16, "Rewrite header too big")
At 16 bytes of rewrite herader we have enought space left for a IPv6 (40 bytes) + LISP-GPE (8 bytes) ...
#define clib_memcpy_fast(a, b, c)
uword vnet_rewrite_data_t
clib_memset(h->entries, 0, sizeof(h->entries[0]) *entries)
#define VLIB_BUFFER_PRE_DATA_SIZE
void() serialize_function_t(serialize_main_t *m, va_list *va)
typedef CLIB_PACKED(struct { u32 sw_if_index;u16 next_index;u16 data_bytes;u16 max_l3_packet_bytes;vnet_rewrite_flags_t flags;u8 dst_mcast_offset;u8 data[0];}) vnet_rewrite_header_t
vl_api_interface_index_t sw_if_index
static void vnet_rewrite_clear_data_internal(vnet_rewrite_header_t *rw, int max_size)
void vnet_rewrite_init(struct vnet_main_t *vnm, u32 sw_if_index, vnet_link_t linkt, u32 this_node, u32 next_node, vnet_rewrite_header_t *rw)
format_function_t format_vnet_rewrite
serialize_function_t serialize_vnet_rewrite
static void * vnet_rewrite_get_data_internal(vnet_rewrite_header_t *rw, int max_size)
u32 vnet_tx_node_index_for_sw_interface(struct vnet_main_t *vnm, u32 sw_if_index)
static void vnet_rewrite_set_data_internal(vnet_rewrite_header_t *rw, int max_size, void *data, int data_bytes)
enum vnet_link_t_ vnet_link_t
Link Type: A description of the protocol of packets on the link.
void vnet_rewrite_for_sw_interface(struct vnet_main_t *vnm, vnet_link_t packet_type, u32 sw_if_index, u32 node_index, void *dst_address, vnet_rewrite_header_t *rw, u32 max_rewrite_bytes)
Deprecated.
static void vnet_ip_mcast_fixup_header(u32 dst_mcast_mask, u32 dst_mcast_offset, u32 *addr, u8 *packet0)
enum vnet_rewrite_flags_t_ vnet_rewrite_flags_t
Flags associated with the rewrite/adjacency.
vnet_rewrite_flags_t_
Flags associated with the rewrite/adjacency.
This adjacency/interface has output features configured.
void vnet_rewrite_update_mtu(struct vnet_main_t *vnm, vnet_link_t linkt, vnet_rewrite_header_t *rw)