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authorEyal Bari <ebari@cisco.com>2018-06-04 12:25:05 +0300
committerJohn Lo <loj@cisco.com>2018-07-05 14:55:33 +0000
commit0fa56788f71d570ce585027e2acdf19e82e6d433 (patch)
tree1b04e3bfe8b502425d41b40944c26215170e36f4 /src/vnet/vxlan/vxlan.h
parentdab732a18c39d13af1770b55d7cef2359ea66412 (diff)
vxlan:use bihash_24_8 for ipv6 lookup
* added the fib index into the key * conform coding style for vxlan.h * added "show vxlan tunnel raw" command to dump bihash Change-Id: Icc96e41abb648e96de5b4605b035f68f9e20f8a9 Signed-off-by: Eyal Bari <ebari@cisco.com>
Diffstat (limited to 'src/vnet/vxlan/vxlan.h')
-rw-r--r--src/vnet/vxlan/vxlan.h111
1 files changed, 58 insertions, 53 deletions
diff --git a/src/vnet/vxlan/vxlan.h b/src/vnet/vxlan/vxlan.h
index 0f226aa3e72..21b7650f454 100644
--- a/src/vnet/vxlan/vxlan.h
+++ b/src/vnet/vxlan/vxlan.h
@@ -17,6 +17,7 @@
#include <vppinfra/error.h>
#include <vppinfra/hash.h>
+#include <vppinfra/bihash_24_8.h>
#include <vnet/vnet.h>
#include <vnet/ip/ip.h>
#include <vnet/l2/l2_input.h>
@@ -30,47 +31,47 @@
#include <vnet/dpo/dpo.h>
#include <vnet/adj/adj_types.h>
+/* *INDENT-OFF* */
typedef CLIB_PACKED (struct {
- ip4_header_t ip4; /* 20 bytes */
- udp_header_t udp; /* 8 bytes */
- vxlan_header_t vxlan; /* 8 bytes */
+ ip4_header_t ip4; /* 20 bytes */
+ udp_header_t udp; /* 8 bytes */
+ vxlan_header_t vxlan; /* 8 bytes */
}) ip4_vxlan_header_t;
typedef CLIB_PACKED (struct {
- ip6_header_t ip6; /* 40 bytes */
- udp_header_t udp; /* 8 bytes */
- vxlan_header_t vxlan; /* 8 bytes */
+ ip6_header_t ip6; /* 40 bytes */
+ udp_header_t udp; /* 8 bytes */
+ vxlan_header_t vxlan; /* 8 bytes */
}) ip6_vxlan_header_t;
-typedef CLIB_PACKED(struct {
- /*
- * Key fields: ip src and vxlan vni on incoming VXLAN packet
- * all fields in NET byte order
- */
- union {
- struct {
+typedef CLIB_PACKED (union {
+ /*
+ * Key fields: remote ip, vni on incoming VXLAN packet
+ * all fields in NET byte order
+ */
+ struct
+ {
u32 src;
- u32 vni; /* shifted left 8 bits */
+ u32 vni; /* shifted left 8 bits */
};
- u64 as_u64;
- };
+ u64 as_u64;
}) vxlan4_tunnel_key_t;
-typedef CLIB_PACKED(struct {
- /*
- * Key fields: ip src and vxlan vni on incoming VXLAN packet
- * all fields in NET byte order
- */
- ip6_address_t src;
- u32 vni; /* shifted left 8 bits */
-}) vxlan6_tunnel_key_t;
-
-typedef struct {
+/*
+* Key fields: remote ip, vni and fib index on incoming VXLAN packet
+* ip, vni fields in NET byte order
+* fib index field in host byte order
+*/
+typedef BVT (clib_bihash_kv) vxlan6_tunnel_key_t;
+/* *INDENT-ON* */
+
+typedef struct
+{
/* Required for pool_get_aligned */
- CLIB_CACHE_LINE_ALIGN_MARK(cacheline0);
+ CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
/* FIB DPO for IP forwarding of VXLAN encap packet */
- dpo_id_t next_dpo;
+ dpo_id_t next_dpo;
/* vxlan VNI in HOST byte order */
u32 vni;
@@ -112,53 +113,56 @@ typedef struct {
*/
u32 sibling_index;
- u32 flow_index; /* infra flow index */
- u32 dev_instance; /* Real device instance in tunnel vector */
- u32 user_instance; /* Instance name being shown to user */
+ u32 flow_index; /* infra flow index */
+ u32 dev_instance; /* Real device instance in tunnel vector */
+ u32 user_instance; /* Instance name being shown to user */
- vnet_declare_rewrite (VLIB_BUFFER_PRE_DATA_SIZE);
+ vnet_declare_rewrite (VLIB_BUFFER_PRE_DATA_SIZE);
} vxlan_tunnel_t;
#define foreach_vxlan_input_next \
_(DROP, "error-drop") \
_(L2_INPUT, "l2-input")
-typedef enum {
+typedef enum
+{
#define _(s,n) VXLAN_INPUT_NEXT_##s,
foreach_vxlan_input_next
#undef _
- VXLAN_INPUT_N_NEXT,
+ VXLAN_INPUT_N_NEXT,
} vxlan_input_next_t;
-typedef enum {
+typedef enum
+{
#define vxlan_error(n,s) VXLAN_ERROR_##n,
#include <vnet/vxlan/vxlan_error.def>
#undef vxlan_error
VXLAN_N_ERROR,
} vxlan_input_error_t;
-typedef struct {
+typedef struct
+{
/* vector of encap tunnel instances */
- vxlan_tunnel_t * tunnels;
+ vxlan_tunnel_t *tunnels;
/* lookup tunnel by key */
- uword * vxlan4_tunnel_by_key; /* keyed on ipv4.dst + vni */
- uword * vxlan6_tunnel_by_key; /* keyed on ipv6.dst + vni */
+ uword *vxlan4_tunnel_by_key; /* keyed on ipv4.dst + vni */
+ BVT (clib_bihash) vxlan6_tunnel_by_key; /* keyed on ipv6.dst + fib + vni */
/* local VTEP IPs ref count used by vxlan-bypass node to check if
received VXLAN packet DIP matches any local VTEP address */
- uword * vtep4; /* local ip4 VTEPs keyed on their ip4 addr */
- uword * vtep6; /* local ip6 VTEPs keyed on their ip6 addr */
+ uword *vtep4; /* local ip4 VTEPs keyed on their ip4 addr */
+ uword *vtep6; /* local ip6 VTEPs keyed on their ip6 addr */
/* mcast shared info */
- uword * mcast_shared; /* keyed on mcast ip46 addr */
+ uword *mcast_shared; /* keyed on mcast ip46 addr */
/* Mapping from sw_if_index to tunnel index */
- u32 * tunnel_index_by_sw_if_index;
+ u32 *tunnel_index_by_sw_if_index;
/* convenience */
- vlib_main_t * vlib_main;
- vnet_main_t * vnet_main;
+ vlib_main_t *vlib_main;
+ vnet_main_t *vnet_main;
/* Record used instances */
uword *instance_used;
@@ -173,9 +177,10 @@ extern vlib_node_registration_t vxlan4_encap_node;
extern vlib_node_registration_t vxlan6_encap_node;
extern vlib_node_registration_t vxlan4_flow_input_node;
-u8 * format_vxlan_encap_trace (u8 * s, va_list * args);
+u8 *format_vxlan_encap_trace (u8 * s, va_list * args);
-typedef struct {
+typedef struct
+{
u8 is_add;
/* we normally use is_ip4, but since this adds to the
@@ -189,19 +194,19 @@ typedef struct {
u32 vni;
} vnet_vxlan_add_del_tunnel_args_t;
-int vnet_vxlan_add_del_tunnel
-(vnet_vxlan_add_del_tunnel_args_t *a, u32 * sw_if_indexp);
+int vnet_vxlan_add_del_tunnel
+ (vnet_vxlan_add_del_tunnel_args_t * a, u32 * sw_if_indexp);
-void vnet_int_vxlan_bypass_mode
-(u32 sw_if_index, u8 is_ip6, u8 is_enable);
+void vnet_int_vxlan_bypass_mode (u32 sw_if_index, u8 is_ip6, u8 is_enable);
-int vnet_vxlan_add_del_rx_flow
-(u32 hw_if_index, u32 t_imdex, int is_add);
+int vnet_vxlan_add_del_rx_flow (u32 hw_if_index, u32 t_imdex, int is_add);
u32 vnet_vxlan_get_tunnel_index (u32 sw_if_index);
#endif /* included_vnet_vxlan_h */
/*
+ * fd.io coding-style-patch-verification: ON
+ *
* Local Variables:
* eval: (c-set-style "gnu")
* End: