summaryrefslogtreecommitdiffstats
path: root/src/vnet
diff options
context:
space:
mode:
authorNeale Ranns <neale@graphiant.com>2021-10-25 09:47:09 +0000
committerNeale Ranns <neale@graphiant.com>2021-11-18 14:06:02 +0000
commitb28652ed7ab016177593b059390f2e99e6af2961 (patch)
tree99f1bc49227d37e467cb74216de8e9324436b416 /src/vnet
parentfc8d0c510372823ac029b6330e876fab9400dbae (diff)
ip: comparing IP prefixes should not modify them
Type: improvement make the ip_prefix_cmp take const paramenters. plus some other miscellaneous functions. Signed-off-by: Neale Ranns <neale@graphiant.com> Change-Id: Ib69bacfb09483a8a8f8b89900c92d3d55c354ac6
Diffstat (limited to 'src/vnet')
-rw-r--r--src/vnet/ip/ip.c14
-rw-r--r--src/vnet/ip/ip.h2
-rw-r--r--src/vnet/ip/ip_types.c20
-rw-r--r--src/vnet/ip/ip_types.h4
4 files changed, 33 insertions, 7 deletions
diff --git a/src/vnet/ip/ip.c b/src/vnet/ip/ip.c
index 5d0c7707dd3..0a602b43ac7 100644
--- a/src/vnet/ip/ip.c
+++ b/src/vnet/ip/ip.c
@@ -18,6 +18,20 @@
u32 ip_flow_hash_router_id;
+ethernet_type_t
+ip_address_family_to_ether_type (ip_address_family_t af)
+{
+ switch (af)
+ {
+ case AF_IP4:
+ return (ETHERNET_TYPE_IP4);
+ case AF_IP6:
+ return (ETHERNET_TYPE_IP6);
+ }
+ ASSERT (0);
+ return (ETHERNET_TYPE_IP4);
+}
+
u8
ip_is_zero (ip46_address_t * ip46_address, u8 is_ip4)
{
diff --git a/src/vnet/ip/ip.h b/src/vnet/ip/ip.h
index 87689076697..131d6879c14 100644
--- a/src/vnet/ip/ip.h
+++ b/src/vnet/ip/ip.h
@@ -287,6 +287,8 @@ void ip_feature_enable_disable (ip_address_family_t af,
void *feature_config,
u32 n_feature_config_bytes);
+ethernet_type_t ip_address_family_to_ether_type (ip_address_family_t af);
+
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
diff --git a/src/vnet/ip/ip_types.c b/src/vnet/ip/ip_types.c
index 3e5ecebf142..323cf4d456c 100644
--- a/src/vnet/ip/ip_types.c
+++ b/src/vnet/ip/ip_types.c
@@ -288,6 +288,13 @@ ip_address_to_fib_prefix (const ip_address_t * addr, fib_prefix_t * prefix)
}
void
+ip_address_to_prefix (const ip_address_t *addr, ip_prefix_t *prefix)
+{
+ prefix->len = (addr->version == AF_IP4 ? 32 : 128);
+ clib_memcpy (&prefix->addr, addr, sizeof (prefix->addr));
+}
+
+void
ip_address_increment (ip_address_t * ip)
{
ip46_address_increment ((ip_addr_version (ip) == AF_IP4 ?
@@ -380,23 +387,24 @@ ip_prefix_copy (void *dst, void *src)
}
int
-ip_prefix_cmp (ip_prefix_t * p1, ip_prefix_t * p2)
+ip_prefix_cmp (const ip_prefix_t *ipp1, const ip_prefix_t *ipp2)
{
+ ip_prefix_t p1 = *ipp1, p2 = *ipp2;
int cmp = 0;
- ip_prefix_normalize (p1);
- ip_prefix_normalize (p2);
+ ip_prefix_normalize (&p1);
+ ip_prefix_normalize (&p2);
- cmp = ip_address_cmp (&ip_prefix_addr (p1), &ip_prefix_addr (p2));
+ cmp = ip_address_cmp (&ip_prefix_addr (&p1), &ip_prefix_addr (&p2));
if (cmp == 0)
{
- if (ip_prefix_len (p1) < ip_prefix_len (p2))
+ if (ip_prefix_len (&p1) < ip_prefix_len (&p2))
{
cmp = 1;
}
else
{
- if (ip_prefix_len (p1) > ip_prefix_len (p2))
+ if (ip_prefix_len (&p1) > ip_prefix_len (&p2))
cmp = 2;
}
}
diff --git a/src/vnet/ip/ip_types.h b/src/vnet/ip/ip_types.h
index 83a0f6adc72..e4d89ebd88d 100644
--- a/src/vnet/ip/ip_types.h
+++ b/src/vnet/ip/ip_types.h
@@ -126,11 +126,13 @@ typedef struct ip_prefix
#define ip_prefix_v4(_a) ip_addr_v4(&ip_prefix_addr(_a))
#define ip_prefix_v6(_a) ip_addr_v6(&ip_prefix_addr(_a))
-extern int ip_prefix_cmp (ip_prefix_t * p1, ip_prefix_t * p2);
+extern int ip_prefix_cmp (const ip_prefix_t *p1, const ip_prefix_t *p2);
extern void ip_prefix_normalize (ip_prefix_t * a);
extern void ip_address_to_fib_prefix (const ip_address_t * addr,
fib_prefix_t * prefix);
+extern void ip_address_to_prefix (const ip_address_t *addr,
+ ip_prefix_t *prefix);
extern void ip_prefix_to_fib_prefix (const ip_prefix_t * ipp,
fib_prefix_t * fibp);
extern u8 *format_ip_prefix (u8 * s, va_list * args);