FD.io VPP  v18.11-rc0-18-g2a3fb1a
Vector Packet Processing
decap.c File Reference
+ Include dependency graph for decap.c:

Go to the source code of this file.

Data Structures

struct  vxlan_rx_trace_t
 

Macros

#define vxlan_error(n, s)   s,
 
#define foreach_vxlan_flow_input_next
 
#define foreach_vxlan_flow_error
 

Typedefs

typedef vxlan4_tunnel_key_t last_tunnel_cache4
 
typedef vxlan6_tunnel_key_t last_tunnel_cache6
 

Enumerations

enum  ip_vxan_bypass_next_t {
  IP_GENEVE_BYPASS_NEXT_DROP, IP_GENEVE_BYPASS_NEXT_GENEVE, IP_GENEVE_BYPASS_N_NEXT, IP_VXLAN_BYPASS_NEXT_DROP,
  IP_VXLAN_BYPASS_NEXT_VXLAN, IP_VXLAN_BYPASS_N_NEXT, IP_VXLAN_BYPASS_NEXT_DROP, IP_VXLAN_BYPASS_NEXT_VXLAN,
  IP_VXLAN_BYPASS_N_NEXT, IP_GTPU_BYPASS_NEXT_DROP, IP_GTPU_BYPASS_NEXT_GTPU, IP_GTPU_BYPASS_N_NEXT
}
 
enum  vxlan_flow_input_next_t { VXLAN_FLOW_N_NEXT }
 
enum  vxlan_flow_error_t { VXLAN_FLOW_N_ERROR }
 

Functions

static u8format_vxlan_rx_trace (u8 *s, va_list *args)
 
static u32 buf_fib_index (vlib_buffer_t *b, u32 is_ip4)
 
static vxlan_tunnel_tvxlan4_find_tunnel (vxlan_main_t *vxm, last_tunnel_cache4 *cache, u32 fib_index, ip4_header_t *ip4_0, vxlan_header_t *vxlan0, vxlan_tunnel_t **stats_t0)
 
static vxlan_tunnel_tvxlan6_find_tunnel (vxlan_main_t *vxm, last_tunnel_cache6 *cache, u32 fib_index, ip6_header_t *ip6_0, vxlan_header_t *vxlan0, vxlan_tunnel_t **stats_t0)
 
static uword vxlan_input (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *from_frame, u32 is_ip4)
 
static uword vxlan4_input (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *from_frame)
 
static uword vxlan6_input (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *from_frame)
 
static uword ip_vxlan_bypass_inline (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame, u32 is_ip4)
 
static uword ip4_vxlan_bypass (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
 
clib_error_tip4_vxlan_bypass_init (vlib_main_t *vm)
 
static uword ip6_vxlan_bypass (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
 
clib_error_tip6_vxlan_bypass_init (vlib_main_t *vm)
 
static_always_inline u8 vxlan_validate_udp_csum (vlib_main_t *vm, vlib_buffer_t *b)
 
static_always_inline u8 vxlan_check_udp_csum (vlib_main_t *vm, vlib_buffer_t *b)
 
static_always_inline u8 vxlan_check_ip (vlib_buffer_t *b, u16 payload_len)
 
static_always_inline u8 vxlan_check_ip_udp_len (vlib_buffer_t *b)
 
static_always_inline u8 vxlan_err_code (u8 ip_err0, u8 udp_err0, u8 csum_err0)
 
VLIB_NODE_FN() vxlan4_flow_input_node (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *f)
 

Variables

vlib_node_registration_t vxlan4_input_node
 (constructor) VLIB_REGISTER_NODE (vxlan4_input_node) More...
 
vlib_node_registration_t vxlan6_input_node
 (constructor) VLIB_REGISTER_NODE (vxlan6_input_node) More...
 
static char * vxlan_error_strings []
 
vlib_node_registration_t ip4_vxlan_bypass_node
 (constructor) VLIB_REGISTER_NODE (ip4_vxlan_bypass_node) More...
 
vlib_node_registration_t ip6_vxlan_bypass_node
 (constructor) VLIB_REGISTER_NODE (ip6_vxlan_bypass_node) More...
 
static char * vxlan_flow_error_strings []
 
vlib_node_registration_t vxlan4_flow_input_node
 (constructor) VLIB_REGISTER_NODE (vxlan4_flow_input_node) More...
 

Macro Definition Documentation

#define foreach_vxlan_flow_error
Value:
_(NONE, "no error") \
_(IP_CHECKSUM_ERROR, "Rx ip checksum errors") \
_(IP_HEADER_ERROR, "Rx ip header errors") \
_(UDP_CHECKSUM_ERROR, "Rx udp checksum errors") \
_(UDP_LENGTH_ERROR, "Rx udp length errors")

Definition at line 964 of file decap.c.

#define foreach_vxlan_flow_input_next
Value:
_(DROP, "error-drop") \
_(L2_INPUT, "l2-input")
DROP
Definition: error.def:41

Definition at line 952 of file decap.c.

#define vxlan_error (   n,
 
)    s,

Typedef Documentation

Definition at line 65 of file decap.c.

Definition at line 111 of file decap.c.

Enumeration Type Documentation

Enumerator
IP_GENEVE_BYPASS_NEXT_DROP 
IP_GENEVE_BYPASS_NEXT_GENEVE 
IP_GENEVE_BYPASS_N_NEXT 
IP_VXLAN_BYPASS_NEXT_DROP 
IP_VXLAN_BYPASS_NEXT_VXLAN 
IP_VXLAN_BYPASS_N_NEXT 
IP_VXLAN_BYPASS_NEXT_DROP 
IP_VXLAN_BYPASS_NEXT_VXLAN 
IP_VXLAN_BYPASS_N_NEXT 
IP_GTPU_BYPASS_NEXT_DROP 
IP_GTPU_BYPASS_NEXT_GTPU 
IP_GTPU_BYPASS_N_NEXT 

Definition at line 502 of file decap.c.

Enumerator
VXLAN_FLOW_N_ERROR 

Definition at line 971 of file decap.c.

Enumerator
VXLAN_FLOW_N_NEXT 

Definition at line 956 of file decap.c.

Function Documentation

static u32 buf_fib_index ( vlib_buffer_t b,
u32  is_ip4 
)
inlinestatic

Definition at line 52 of file decap.c.

+ Here is the caller graph for this function:

static u8* format_vxlan_rx_trace ( u8 s,
va_list *  args 
)
static

Definition at line 32 of file decap.c.

+ Here is the call graph for this function:

static uword ip4_vxlan_bypass ( vlib_main_t vm,
vlib_node_runtime_t node,
vlib_frame_t frame 
)
static

Definition at line 891 of file decap.c.

+ Here is the call graph for this function:

+ Here is the caller graph for this function:

clib_error_t* ip4_vxlan_bypass_init ( vlib_main_t vm)

Definition at line 916 of file decap.c.

static uword ip6_vxlan_bypass ( vlib_main_t vm,
vlib_node_runtime_t node,
vlib_frame_t frame 
)
static

Definition at line 922 of file decap.c.

+ Here is the call graph for this function:

+ Here is the caller graph for this function:

clib_error_t* ip6_vxlan_bypass_init ( vlib_main_t vm)

Definition at line 947 of file decap.c.

static uword ip_vxlan_bypass_inline ( vlib_main_t vm,
vlib_node_runtime_t node,
vlib_frame_t frame,
u32  is_ip4 
)
inlinestatic

Definition at line 509 of file decap.c.

+ Here is the call graph for this function:

+ Here is the caller graph for this function:

static vxlan_tunnel_t* vxlan4_find_tunnel ( vxlan_main_t vxm,
last_tunnel_cache4 cache,
u32  fib_index,
ip4_header_t ip4_0,
vxlan_header_t vxlan0,
vxlan_tunnel_t **  stats_t0 
)
inlinestatic

Definition at line 68 of file decap.c.

+ Here is the call graph for this function:

+ Here is the caller graph for this function:

VLIB_NODE_FN() vxlan4_flow_input_node ( vlib_main_t vm,
vlib_node_runtime_t node,
vlib_frame_t f 
)

Definition at line 1046 of file decap.c.

+ Here is the call graph for this function:

static uword vxlan4_input ( vlib_main_t vm,
vlib_node_runtime_t node,
vlib_frame_t from_frame 
)
static

Definition at line 433 of file decap.c.

+ Here is the call graph for this function:

static vxlan_tunnel_t* vxlan6_find_tunnel ( vxlan_main_t vxm,
last_tunnel_cache6 cache,
u32  fib_index,
ip6_header_t ip6_0,
vxlan_header_t vxlan0,
vxlan_tunnel_t **  stats_t0 
)
inlinestatic

Definition at line 114 of file decap.c.

+ Here is the call graph for this function:

+ Here is the caller graph for this function:

static uword vxlan6_input ( vlib_main_t vm,
vlib_node_runtime_t node,
vlib_frame_t from_frame 
)
static

Definition at line 441 of file decap.c.

+ Here is the call graph for this function:

static_always_inline u8 vxlan_check_ip ( vlib_buffer_t b,
u16  payload_len 
)

Definition at line 1016 of file decap.c.

+ Here is the call graph for this function:

+ Here is the caller graph for this function:

static_always_inline u8 vxlan_check_ip_udp_len ( vlib_buffer_t b)

Definition at line 1025 of file decap.c.

+ Here is the call graph for this function:

+ Here is the caller graph for this function:

static_always_inline u8 vxlan_check_udp_csum ( vlib_main_t vm,
vlib_buffer_t b 
)

Definition at line 1004 of file decap.c.

+ Here is the call graph for this function:

+ Here is the caller graph for this function:

static_always_inline u8 vxlan_err_code ( u8  ip_err0,
u8  udp_err0,
u8  csum_err0 
)

Definition at line 1034 of file decap.c.

+ Here is the caller graph for this function:

static uword vxlan_input ( vlib_main_t vm,
vlib_node_runtime_t node,
vlib_frame_t from_frame,
u32  is_ip4 
)
inlinestatic

Definition at line 161 of file decap.c.

+ Here is the call graph for this function:

+ Here is the caller graph for this function:

static_always_inline u8 vxlan_validate_udp_csum ( vlib_main_t vm,
vlib_buffer_t b 
)

Definition at line 987 of file decap.c.

+ Here is the call graph for this function:

+ Here is the caller graph for this function:

Variable Documentation

vlib_node_registration_t ip4_vxlan_bypass_node
Initial value:
= {
.function = ip4_vxlan_bypass,
.name = "ip4-vxlan-bypass",
.vector_size = sizeof (u32),
.n_next_nodes = IP_VXLAN_BYPASS_N_NEXT,
.next_nodes = {
[IP_VXLAN_BYPASS_NEXT_DROP] = "error-drop",
[IP_VXLAN_BYPASS_NEXT_VXLAN] = "vxlan4-input",
},
.format_buffer = format_ip4_header,
}
format_function_t format_ip4_header
Definition: format.h:89
unsigned int u32
Definition: types.h:88
u8 * format_ip4_forward_next_trace(u8 *s, va_list *args)
Definition: ip4_forward.c:919
static uword ip4_vxlan_bypass(vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
Definition: decap.c:891

(constructor) VLIB_REGISTER_NODE (ip4_vxlan_bypass_node)

Definition at line 898 of file decap.c.

vlib_node_registration_t ip6_vxlan_bypass_node
Initial value:
= {
.function = ip6_vxlan_bypass,
.name = "ip6-vxlan-bypass",
.vector_size = sizeof (u32),
.n_next_nodes = IP_VXLAN_BYPASS_N_NEXT,
.next_nodes = {
[IP_VXLAN_BYPASS_NEXT_DROP] = "error-drop",
[IP_VXLAN_BYPASS_NEXT_VXLAN] = "vxlan6-input",
},
.format_buffer = format_ip6_header,
}
static uword ip6_vxlan_bypass(vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
Definition: decap.c:922
unsigned int u32
Definition: types.h:88
format_function_t format_ip6_header
Definition: format.h:103
u8 * format_ip6_forward_next_trace(u8 *s, va_list *args)
Definition: ip6_forward.c:768

(constructor) VLIB_REGISTER_NODE (ip6_vxlan_bypass_node)

Definition at line 929 of file decap.c.

vlib_node_registration_t vxlan4_flow_input_node
Initial value:
= {
.name = "vxlan-flow-input",
.vector_size = sizeof (u32),
.format_trace = format_vxlan_rx_trace,
.n_errors = VXLAN_FLOW_N_ERROR,
.error_strings = vxlan_flow_error_strings,
.n_next_nodes = VXLAN_FLOW_N_NEXT,
.next_nodes = {
#define _(s,n)
},
}
static char * vxlan_flow_error_strings[]
Definition: decap.c:979
unsigned int u32
Definition: types.h:88
#define foreach_vxlan_flow_input_next
Definition: decap.c:952
static u8 * format_vxlan_rx_trace(u8 *s, va_list *args)
Definition: decap.c:32

(constructor) VLIB_REGISTER_NODE (vxlan4_flow_input_node)

Definition at line 1288 of file decap.c.

vlib_node_registration_t vxlan4_input_node
Initial value:
= {
.function = vxlan4_input,
.name = "vxlan4-input",
.vector_size = sizeof (u32),
.n_errors = VXLAN_N_ERROR,
.error_strings = vxlan_error_strings,
.n_next_nodes = VXLAN_INPUT_N_NEXT,
.next_nodes = {
#define _(s,n)
},
.format_trace = format_vxlan_rx_trace,
}
#define foreach_vxlan_input_next
Definition: vxlan.h:117
unsigned int u32
Definition: types.h:88
static uword vxlan4_input(vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *from_frame)
Definition: decap.c:433
static char * vxlan_error_strings[]
Definition: decap.c:448
static u8 * format_vxlan_rx_trace(u8 *s, va_list *args)
Definition: decap.c:32

(constructor) VLIB_REGISTER_NODE (vxlan4_input_node)

Definition at line 22 of file decap.c.

vlib_node_registration_t vxlan6_input_node
Initial value:
= {
.function = vxlan6_input,
.name = "vxlan6-input",
.vector_size = sizeof (u32),
.n_errors = VXLAN_N_ERROR,
.error_strings = vxlan_error_strings,
.n_next_nodes = VXLAN_INPUT_N_NEXT,
.next_nodes = {
#define _(s,n)
},
.format_trace = format_vxlan_rx_trace,
}
#define foreach_vxlan_input_next
Definition: vxlan.h:117
unsigned int u32
Definition: types.h:88
static char * vxlan_error_strings[]
Definition: decap.c:448
static u8 * format_vxlan_rx_trace(u8 *s, va_list *args)
Definition: decap.c:32
static uword vxlan6_input(vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *from_frame)
Definition: decap.c:441

(constructor) VLIB_REGISTER_NODE (vxlan6_input_node)

Definition at line 23 of file decap.c.

char* vxlan_error_strings[]
static
Initial value:
= {
#define vxlan_error(n,s)
}

Definition at line 448 of file decap.c.

char* vxlan_flow_error_strings[]
static
Initial value:
= {
#define _(n,s)
}
#define foreach_vxlan_flow_error
Definition: decap.c:964

Definition at line 979 of file decap.c.