diff options
Diffstat (limited to 'vnet/vnet/buffer.h')
| -rw-r--r-- | vnet/vnet/buffer.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/vnet/vnet/buffer.h b/vnet/vnet/buffer.h index f7fd8e8f872..7153f3541b1 100644 --- a/vnet/vnet/buffer.h +++ b/vnet/vnet/buffer.h @@ -49,6 +49,19 @@ #define IP_BUFFER_L4_CHECKSUM_COMPUTED (1 << LOG2_IP_BUFFER_L4_CHECKSUM_COMPUTED) #define IP_BUFFER_L4_CHECKSUM_CORRECT (1 << LOG2_IP_BUFFER_L4_CHECKSUM_CORRECT) +/* VLAN header flags. + * These bits are zeroed in vlib_buffer_init_for_free_list() + * meaning wherever the buffer comes from they have a reasonable + * value (eg, if ip4/ip6 generates the packet.) + */ +#define LOG2_ETH_BUFFER_VLAN_2_DEEP LOG2_VLIB_BUFFER_FLAG_USER(3) +#define LOG2_ETH_BUFFER_VLAN_1_DEEP LOG2_VLIB_BUFFER_FLAG_USER(4) +#define ETH_BUFFER_VLAN_2_DEEP (1 << LOG2_ETH_BUFFER_VLAN_2_DEEP) +#define ETH_BUFFER_VLAN_1_DEEP (1 << LOG2_ETH_BUFFER_VLAN_1_DEEP) +#define ETH_BUFFER_VLAN_BITS (ETH_BUFFER_VLAN_1_DEEP | \ + ETH_BUFFER_VLAN_2_DEEP) + + #define foreach_buffer_opaque_union_subtype \ _(ethernet) \ _(ip) \ |