#define ip_protocol(n,s) IP_PROTOCOL_##s = n,
#include "protocols.def"
#undef ip_protocol
-} ip_protocol_t;
+} __clib_packed ip_protocol_t;
/* TCP/UDP ports. */
typedef enum
#undef _
} __clib_packed ip_dscp_t;
-STATIC_ASSERT_SIZEOF (ip_dscp_t, 1);
-
extern u8 *format_ip_dscp (u8 * s, va_list * va);
+/**
+ * IP DSCP bit shift
+ * The ECN occupies the 2 least significant bits of the TC field
+ */
+#define IP_PACKET_TC_FIELD_DSCP_BIT_SHIFT 2
+#define IP_PACKET_TC_FIELD_ECN_MASK 0x03
+
+/**
+ * The set of RFC defined DSCP values.
+ */
+#define foreach_ip_ecn \
+ _(0, NON_ECN) \
+ _(1, ECT_0) \
+ _(2, ECT_1) \
+ _(3, CE)
+
+typedef enum ip_ecn_t_
+{
+#define _(n,f) IP_ECN_##f = n,
+ foreach_ip_ecn
+#undef _
+} __clib_packed ip_ecn_t;
+
+STATIC_ASSERT_SIZEOF (ip_ecn_t, 1);
+
+extern u8 *format_ip_ecn (u8 * s, va_list * va);
+
/* IP checksum support. */
static_always_inline u16
extern ip_csum_t (*vnet_incremental_checksum_fp) (ip_csum_t, void *, uword);
+/* Checksum routine. */
always_inline ip_csum_t
ip_incremental_checksum (ip_csum_t sum, void *_data, uword n_bytes)
{
return ip_csum_fold (sum);
}
-/* Checksum routine. */
-ip_csum_t ip_incremental_checksum (ip_csum_t sum, void *data, uword n_bytes);
-
#endif /* included_ip_packet_h */
/*