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-rw-r--r--src/vnet/ip/ip_interface.h98
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diff --git a/src/vnet/ip/ip_interface.h b/src/vnet/ip/ip_interface.h
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+/*
+ * Copyright (c) 2020 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * @file
+ * @brief IP prefix management on interfaces
+ */
+
+#ifndef included_ip_interface_h
+#define included_ip_interface_h
+
+#include <vnet/ip/lookup.h>
+
+clib_error_t *ip_interface_address_add (ip_lookup_main_t * lm,
+ u32 sw_if_index,
+ void *address,
+ u32 address_length,
+ u32 * result_index);
+void ip_interface_address_del (ip_lookup_main_t * lm,
+ u32 addr_index, void *address);
+void *ip_interface_get_first_ip (u32 sw_if_index, u8 is_ip4);
+void ip_interface_address_mark (void);
+void ip_interface_address_sweep (void);
+u32 ip_interface_address_find (ip_lookup_main_t * lm,
+ void *addr_fib, u32 address_length);
+u8 ip_interface_has_address (u32 sw_if_index, ip46_address_t * ip, u8 is_ip4);
+
+always_inline void *
+ip_interface_address_get_address (ip_lookup_main_t * lm,
+ ip_interface_address_t * a)
+{
+ return mhash_key_to_mem (&lm->address_to_if_address_index, a->address_key);
+}
+
+always_inline ip_interface_prefix_t *
+ip_get_interface_prefix (ip_lookup_main_t * lm, ip_interface_prefix_key_t * k)
+{
+ uword *p = mhash_get (&lm->prefix_to_if_prefix_index, k);
+ return p ? pool_elt_at_index (lm->if_prefix_pool, p[0]) : 0;
+}
+
+/* *INDENT-OFF* */
+#define foreach_ip_interface_address(lm,a,sw_if_index,loop,body) \
+do { \
+ vnet_main_t *_vnm = vnet_get_main(); \
+ u32 _sw_if_index = sw_if_index; \
+ vnet_sw_interface_t *_swif; \
+ _swif = vnet_get_sw_interface (_vnm, _sw_if_index); \
+ \
+ /* \
+ * Loop => honor unnumbered interface addressing. \
+ */ \
+ if (_swif->flags & VNET_SW_INTERFACE_FLAG_UNNUMBERED) \
+ { \
+ if (loop) \
+ _sw_if_index = _swif->unnumbered_sw_if_index; \
+ else \
+ /* the interface is unnumbered, by the caller does not want \
+ * unnumbered interfaces considered/honoured */ \
+ break; \
+ } \
+ u32 _ia = ((vec_len((lm)->if_address_pool_index_by_sw_if_index) \
+ > (_sw_if_index)) ? \
+ vec_elt ((lm)->if_address_pool_index_by_sw_if_index, \
+ (_sw_if_index)) : \
+ (u32)~0); \
+ ip_interface_address_t * _a; \
+ while (_ia != ~0) \
+ { \
+ _a = pool_elt_at_index ((lm)->if_address_pool, _ia); \
+ _ia = _a->next_this_sw_interface; \
+ (a) = _a; \
+ body; \
+ } \
+} while (0)
+/* *INDENT-ON* */
+
+#endif /* included_ip_interface_h */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */