summaryrefslogtreecommitdiffstats
path: root/src/vnet/ethernet/ethernet.h
diff options
context:
space:
mode:
authorNeale Ranns <neale.ranns@cisco.com>2018-08-29 06:37:18 -0700
committerDave Barach <openvpp@barachs.net>2018-08-31 11:58:46 +0000
commitde5b08fb302e84142e4ba0cf0cbed4e740e4165c (patch)
tree7e98b2a17dcb1c511f7603bf5b2d6206326cfe47 /src/vnet/ethernet/ethernet.h
parent45478933b21cf1bce028b757e1358936dd08380b (diff)
Introduce a mac_address_t on the API and in VPP
Change-Id: I05d6c2cb5d34de469eb050e4ee10dc6b954c986d Signed-off-by: Neale Ranns <neale.ranns@cisco.com>
Diffstat (limited to 'src/vnet/ethernet/ethernet.h')
-rw-r--r--src/vnet/ethernet/ethernet.h16
1 files changed, 14 insertions, 2 deletions
diff --git a/src/vnet/ethernet/ethernet.h b/src/vnet/ethernet/ethernet.h
index 0bfd48723e2..9a23448b3e6 100644
--- a/src/vnet/ethernet/ethernet.h
+++ b/src/vnet/ethernet/ethernet.h
@@ -46,7 +46,7 @@
#include <vnet/feature/feature.h>
always_inline u64
-ethernet_mac_address_u64 (u8 * a)
+ethernet_mac_address_u64 (const u8 * a)
{
return (((u64) a[0] << (u64) (5 * 8))
| ((u64) a[1] << (u64) (4 * 8))
@@ -55,6 +55,18 @@ ethernet_mac_address_u64 (u8 * a)
| ((u64) a[4] << (u64) (1 * 8)) | ((u64) a[5] << (u64) (0 * 8)));
}
+always_inline void
+ethernet_mac_address_from_u64 (u64 u, u8 * a)
+{
+ i8 ii;
+
+ for (ii = 5; ii >= 0; ii--)
+ {
+ a[ii] = u & 0xFF;
+ u = u >> 8;
+ }
+}
+
static inline int
ethernet_mac_address_is_multicast_u64 (u64 a)
{
@@ -62,7 +74,7 @@ ethernet_mac_address_is_multicast_u64 (u64 a)
}
static inline int
-ethernet_mac_address_is_zero (u8 * mac)
+ethernet_mac_address_is_zero (const u8 * mac)
{
return ((*((u32 *) mac) == 0) && (*((u16 *) (mac + 4)) == 0));
}