diff options
| author |   Benoît Ganne <bganne@cisco.com> | 2020-10-20 16:24:17 +0200 |
|---|---|---|
| committer |   Damjan Marion <dmarion@me.com> | 2020-11-13 11:17:50 +0000 |
| commit | b44c77d01dcf9ebf80d7bcab097515ad8135bc05 (patch) | |
| tree | 71070f6ea6b5dc989730e1775f6c7916a07938fc /src/vnet/ethernet/ethernet.h | |
| parent | 41c0f45a56d4db5b2ee4ae4fff7f3f0571a23189 (diff) | |
ethernet: mac must support 64-bits loads
ethernet dataplane loads MAC addresses as 64-bits loads for efficiency.
We must make sure it is valid, especially for the vector of secondary
MACs.
Type: fix
Change-Id: I851e319b8a973c154e85ff9f05f3b8e385939788
Signed-off-by: Benoît Ganne <bganne@cisco.com>
Diffstat (limited to 'src/vnet/ethernet/ethernet.h')
| -rw-r--r-- | src/vnet/ethernet/ethernet.h | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/src/vnet/ethernet/ethernet.h b/src/vnet/ethernet/ethernet.h index afb932931b7..a83b0f39295 100644 --- a/src/vnet/ethernet/ethernet.h +++ b/src/vnet/ethernet/ethernet.h @@ -132,6 +132,17 @@ typedef u32 (ethernet_flag_change_function_t) #define ETHERNET_MIN_PACKET_BYTES 64 #define ETHERNET_MAX_PACKET_BYTES 9216 +/* ethernet dataplane loads mac address as u64 for efficiency */ +typedef union ethernet_interface_address +{ + struct + { + mac_address_t mac; + u16 zero; + }; + u64 as_u64; +} ethernet_interface_address_t; + /* Ethernet interface instance. */ typedef struct ethernet_interface { @@ -160,10 +171,10 @@ typedef struct ethernet_interface u32 driver_instance; /* Ethernet (MAC) address for this interface. */ - u8 address[6]; + ethernet_interface_address_t address; /* Secondary MAC addresses for this interface */ - mac_address_t *secondary_addrs; + ethernet_interface_address_t *secondary_addrs; } ethernet_interface_t; extern vnet_hw_interface_class_t ethernet_hw_interface_class; |