#include <vnet/vnet.h>
+#include <vnet/ip/ip_types.h>
#include <vnet/ip/format.h>
#include <vnet/ip/ip_packet.h>
#include <vnet/ip/lookup.h>
+#include <vnet/ip/ip_interface.h>
#include <vnet/tcp/tcp_packet.h>
#include <vnet/udp/udp_packet.h>
#include <vnet/ip/ip6_packet.h>
#include <vnet/ip/ip6_error.h>
#include <vnet/ip/icmp6.h>
-#include <vnet/classify/vnet_classify.h>
/* Per protocol info. */
typedef struct
void *h;
u32 n;
- n = clib_min (n_bytes_left, b->current_length);
+ n = clib_min (n_bytes_left, b->current_length - first_buffer_offset);
h = vlib_buffer_get_current (b) + first_buffer_offset;
sum = ip_incremental_checksum (sum, h, n);
if (PREDICT_FALSE (b->flags & VLIB_BUFFER_NEXT_PRESENT))
return sum;
}
+always_inline u16
+ip_calculate_l4_checksum (vlib_main_t * vm, vlib_buffer_t * p0,
+ ip_csum_t sum0, u32 payload_length,
+ u8 * iph, u32 ip_header_size, u8 * l4h)
+{
+ u16 sum16;
+ u8 *data_this_buffer, length_odd;
+ u32 n_bytes_left, n_this_buffer, n_ip_bytes_this_buffer;
+
+ n_bytes_left = payload_length;
+
+ if (l4h) /* packet l4 header and no buffer chain involved */
+ {
+ ASSERT (p0 == NULL);
+ n_this_buffer = payload_length;
+ data_this_buffer = l4h;
+ }
+ else
+ {
+ ASSERT (p0);
+ if (iph) /* ip header pointer set to packet in buffer */
+ {
+ ASSERT (ip_header_size);
+ n_this_buffer = payload_length;
+ data_this_buffer = iph + ip_header_size; /* at l4 header */
+ n_ip_bytes_this_buffer =
+ p0->current_length - (((u8 *) iph - p0->data) - p0->current_data);
+ if (PREDICT_FALSE (payload_length + ip_header_size >
+ n_ip_bytes_this_buffer))
+ {
+ n_this_buffer = n_ip_bytes_this_buffer - ip_header_size;
+ if (PREDICT_FALSE (n_this_buffer >> 31))
+ { /* error - ip header don't fit this buffer */
+ return 0xfefe;
+ }
+ }
+ }
+ else /* packet in buffer with no ip header */
+ { /* buffer current pointer at l4 header */
+ n_this_buffer = p0->current_length;
+ data_this_buffer = vlib_buffer_get_current (p0);
+ }
+ n_this_buffer = clib_min (n_this_buffer, n_bytes_left);
+ }
+
+ while (1)
+ {
+ sum0 = ip_incremental_checksum (sum0, data_this_buffer, n_this_buffer);
+ n_bytes_left -= n_this_buffer;
+ if (n_bytes_left == 0)
+ break;
+
+ if (!(p0->flags & VLIB_BUFFER_NEXT_PRESENT))
+ {
+ return 0xfefe;
+ }
+
+ length_odd = (n_this_buffer & 1);
+
+ p0 = vlib_get_buffer (vm, p0->next_buffer);
+ data_this_buffer = vlib_buffer_get_current (p0);
+ n_this_buffer = clib_min (p0->current_length, n_bytes_left);
+
+ if (PREDICT_FALSE (length_odd))
+ {
+ /* Prepend a 0 byte to maintain 2-byte checksum alignment */
+ data_this_buffer--;
+ n_this_buffer++;
+ n_bytes_left++;
+ data_this_buffer[0] = 0;
+ }
+ }
+
+ sum16 = ~ip_csum_fold (sum0);
+ return sum16;
+}
+
void ip_del_all_interface_addresses (vlib_main_t * vm, u32 sw_if_index);
extern vlib_node_registration_t ip4_inacl_node;
u8 ip_is_zero (ip46_address_t * ip46_address, u8 is_ip4);
u8 ip_is_local_host (ip46_address_t * ip46_address, u8 is_ip4);
+u8 ip4_is_local_host (ip4_address_t * ip4_address);
+u8 ip6_is_local_host (ip6_address_t * ip6_address);
u8 ip_is_local (u32 fib_index, ip46_address_t * ip46_address, u8 is_ip4);
-u8 ip_interface_has_address (u32 sw_if_index, ip46_address_t * ip, u8 is_ip4);
void ip_copy (ip46_address_t * dst, ip46_address_t * src, u8 is_ip4);
void ip_set (ip46_address_t * dst, void *src, u8 is_ip4);
-void *ip_interface_get_first_ip (u32 sw_if_index, u8 is_ip4);
-void ip4_address_normalize (ip4_address_t * ip4, u8 preflen);
-void ip6_address_normalize (ip6_address_t * ip6, u8 preflen);
-void ip4_preflen_to_mask (u8 pref_len, ip4_address_t * ip);
-u32 ip4_mask_to_preflen (ip4_address_t * mask);
-void ip4_prefix_max_address_host_order (ip4_address_t * ip, u8 plen,
- ip4_address_t * res);
-void ip6_prefix_max_address_host_order (ip6_address_t * ip, u8 plen,
- ip6_address_t * res);
-void ip6_preflen_to_mask (u8 pref_len, ip6_address_t * mask);
-u32 ip6_mask_to_preflen (ip6_address_t * mask);
+
+int ip_flow_hash_set (ip_address_family_t af, u32 table_id,
+ flow_hash_config_t flow_hash_config);
+void ip_feature_enable_disable (ip_address_family_t af,
+ ip_sub_address_family_t safi,
+ ip_feature_location_t loc,
+ const char *feature,
+ u32 sw_if_index, int enable_disable,
+ void *feature_config,
+ u32 n_feature_config_bytes);
+
+always_inline u32 vlib_buffer_get_ip4_fib_index (vlib_buffer_t * b);
+always_inline u32 vlib_buffer_get_ip6_fib_index (vlib_buffer_t * b);
+always_inline u32
+vlib_buffer_get_ip_fib_index (vlib_buffer_t * b, u8 is_ip4)
+{
+ return (is_ip4 ? vlib_buffer_get_ip4_fib_index
+ : vlib_buffer_get_ip6_fib_index) (b);
+}
#endif /* included_ip_main_h */