packet.h File Reference

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Data Structures
struct	mpls_unicast_header_t

Macros
#define	MPLS_EOS_BITS
#define	MPLS_LABEL_DEFAULT_TTL   64
	The Default TTL added to MPLS label headers when no other value is available. More...
#define	MPLS_LABEL_DEFAULT_EXP   0
	The Default EXP added to MPLS label headers when no other value is available. More...
#define	FOR_EACH_MPLS_EOS_BIT(_eos)   for (_eos = MPLS_NON_EOS; _eos <= MPLS_EOS; _eos++)
#define	MPLS_ENTRY_LABEL_OFFSET   0
#define	MPLS_ENTRY_LABEL_SHIFT   12
#define	MPLS_ENTRY_LABEL_MASK   0x000fffff
#define	MPLS_ENTRY_LABEL_BITS   (MPLS_ENTRY_LABEL_MASK << MPLS_ENTRY_LABEL_SHIFT)
#define	MPLS_ENTRY_EXP_OFFSET   2 /* byte offset to EXP bits */
#define	MPLS_ENTRY_EXP_SHIFT   9
#define	MPLS_ENTRY_EXP_MASK   0x07
#define	MPLS_ENTRY_EXP(mpls)   (((mpls)>>MPLS_ENTRY_EXP_SHIFT) & MPLS_ENTRY_EXP_MASK)
#define	MPLS_ENTRY_EXP_BITS   (MPLS_ENTRY_EXP_MASK << MPLS_ENTRY_EXP_SHIFT)
#define	MPLS_ENTRY_EOS_OFFSET   2 /* byte offset to EOS bit */
#define	MPLS_ENTRY_EOS_SHIFT   8
#define	MPLS_ENTRY_EOS_MASK   0x01 /* EOS bit in its byte */
#define	MPLS_ENTRY_EOS(mpls)   (((mpls) >> MPLS_ENTRY_EOS_SHIFT) & MPLS_ENTRY_EOS_MASK)
#define	MPLS_ENTRY_EOS_BIT   (MPLS_ENTRY_EOS_MASK << MPLS_ENTRY_EOS_SHIFT)
#define	MPLS_ENTRY_TTL_OFFSET   3 /* byte offset to ttl field */
#define	MPLS_ENTRY_TTL_SHIFT   0
#define	MPLS_ENTRY_TTL_MASK   0xff
#define	MPLS_ENTRY_TTL(mpls)   (((mpls) >> MPLS_ENTRY_TTL_SHIFT) & MPLS_ENTRY_TTL_MASK)
#define	MPLS_ENTRY_TTL_BITS   (MPLS_ENTRY_TTL_MASK << MPLS_ENTRY_TTL_SHIFT)

Typedefs
typedef u32	mpls_label_t
	A label value only, i.e. More...
typedef enum mpls_eos_bit_t_	mpls_eos_bit_t

Enumerations
enum	mpls_eos_bit_t_ { MPLS_NON_EOS = 0, MPLS_EOS = 1 }

Functions
static u8	ip_dscp_to_mpls_exp (ip_dscp_t tos)
	When in uniform mode convert an IPv[46] DSCP value to an MPLS EXP value. More...
static u8	mpls_exp_to_ip_dscp (u8 exp)
	When in uniform mode convert an MPLS EXP value to an IPv[46] DSCP value. More...
static u32	vnet_mpls_uc_get_label (mpls_label_t label_exp_s_ttl)
static u32	vnet_mpls_uc_get_exp (mpls_label_t label_exp_s_ttl)
static u32	vnet_mpls_uc_get_s (mpls_label_t label_exp_s_ttl)
static u32	vnet_mpls_uc_get_ttl (mpls_label_t label_exp_s_ttl)
static void	vnet_mpls_uc_set_label (mpls_label_t *label_exp_s_ttl, u32 value)
static void	vnet_mpls_uc_set_exp (mpls_label_t *label_exp_s_ttl, u32 exp)
static void	vnet_mpls_uc_set_s (mpls_label_t *label_exp_s_ttl, u32 eos)
static void	vnet_mpls_uc_set_ttl (mpls_label_t *label_exp_s_ttl, u32 ttl)

Macro Definition Documentation

#define FOR_EACH_MPLS_EOS_BIT

(

_eos

)

for (_eos = MPLS_NON_EOS; _eos <= MPLS_EOS; _eos++)

Definition at line 73 of file packet.h.

#define MPLS_ENTRY_EOS

(

mpls

)

(((mpls) >> MPLS_ENTRY_EOS_SHIFT) & MPLS_ENTRY_EOS_MASK)

Definition at line 93 of file packet.h.

#define MPLS_ENTRY_EOS_BIT   (MPLS_ENTRY_EOS_MASK << MPLS_ENTRY_EOS_SHIFT)

Definition at line 95 of file packet.h.

#define MPLS_ENTRY_EOS_MASK   0x01 /* EOS bit in its byte */

Definition at line 92 of file packet.h.

#define MPLS_ENTRY_EOS_OFFSET   2 /* byte offset to EOS bit */

Definition at line 90 of file packet.h.

#define MPLS_ENTRY_EOS_SHIFT   8

Definition at line 91 of file packet.h.

#define MPLS_ENTRY_EXP

(

mpls

)

(((mpls)>>MPLS_ENTRY_EXP_SHIFT) & MPLS_ENTRY_EXP_MASK)

Definition at line 85 of file packet.h.

#define MPLS_ENTRY_EXP_BITS   (MPLS_ENTRY_EXP_MASK << MPLS_ENTRY_EXP_SHIFT)

Definition at line 87 of file packet.h.

#define MPLS_ENTRY_EXP_MASK   0x07

Definition at line 84 of file packet.h.

#define MPLS_ENTRY_EXP_OFFSET   2 /* byte offset to EXP bits */

Definition at line 82 of file packet.h.

#define MPLS_ENTRY_EXP_SHIFT   9

Definition at line 83 of file packet.h.

#define MPLS_ENTRY_LABEL_BITS   (MPLS_ENTRY_LABEL_MASK << MPLS_ENTRY_LABEL_SHIFT)

Definition at line 79 of file packet.h.

#define MPLS_ENTRY_LABEL_MASK   0x000fffff

Definition at line 78 of file packet.h.

#define MPLS_ENTRY_LABEL_OFFSET   0

Definition at line 76 of file packet.h.

#define MPLS_ENTRY_LABEL_SHIFT   12

Definition at line 77 of file packet.h.

#define MPLS_ENTRY_TTL

(

mpls

)

(((mpls) >> MPLS_ENTRY_TTL_SHIFT) & MPLS_ENTRY_TTL_MASK)

Definition at line 100 of file packet.h.

#define MPLS_ENTRY_TTL_BITS   (MPLS_ENTRY_TTL_MASK << MPLS_ENTRY_TTL_SHIFT)

Definition at line 102 of file packet.h.

#define MPLS_ENTRY_TTL_MASK   0xff

Definition at line 99 of file packet.h.

#define MPLS_ENTRY_TTL_OFFSET   3 /* byte offset to ttl field */

Definition at line 97 of file packet.h.

#define MPLS_ENTRY_TTL_SHIFT   0

Definition at line 98 of file packet.h.

#define MPLS_EOS_BITS

Value:

{                               \
    [MPLS_NON_EOS] = "neos",                    \
    [MPLS_EOS] = "eos",                         \
}

Definition at line 42 of file packet.h.

#define MPLS_LABEL_DEFAULT_EXP   0

The Default EXP added to MPLS label headers when no other value is available.

Definition at line 55 of file packet.h.

#define MPLS_LABEL_DEFAULT_TTL   64

The Default TTL added to MPLS label headers when no other value is available.

Definition at line 50 of file packet.h.

Typedef Documentation

typedef enum mpls_eos_bit_t_ mpls_eos_bit_t

typedef u32 mpls_label_t

A label value only, i.e.

20bits.

Definition at line 26 of file packet.h.

Enumeration Type Documentation

enum mpls_eos_bit_t_

Enumerator
MPLS_NON_EOS
MPLS_EOS

Definition at line 36 of file packet.h.

Function Documentation

static u8 ip_dscp_to_mpls_exp ( ip_dscp_t  tos )

inlinestatic

When in uniform mode convert an IPv[46] DSCP value to an MPLS EXP value.

Definition at line 60 of file packet.h.

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static u8 mpls_exp_to_ip_dscp ( u8  exp )

inlinestatic

When in uniform mode convert an MPLS EXP value to an IPv[46] DSCP value.

Definition at line 68 of file packet.h.

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static u32 vnet_mpls_uc_get_exp ( mpls_label_t  label_exp_s_ttl )

inlinestatic

Definition at line 110 of file packet.h.

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static u32 vnet_mpls_uc_get_label ( mpls_label_t  label_exp_s_ttl )

inlinestatic

Definition at line 105 of file packet.h.

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static u32 vnet_mpls_uc_get_s ( mpls_label_t  label_exp_s_ttl )

inlinestatic

Definition at line 115 of file packet.h.

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static u32 vnet_mpls_uc_get_ttl ( mpls_label_t  label_exp_s_ttl )

inlinestatic

Definition at line 120 of file packet.h.

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static void vnet_mpls_uc_set_exp ( mpls_label_t *  label_exp_s_ttl, u32  exp  )

inlinestatic

Definition at line 132 of file packet.h.

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static void vnet_mpls_uc_set_label ( mpls_label_t *  label_exp_s_ttl, u32  value  )

inlinestatic

Definition at line 125 of file packet.h.

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static void vnet_mpls_uc_set_s ( mpls_label_t *  label_exp_s_ttl, u32  eos  )

inlinestatic

Definition at line 139 of file packet.h.

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static void vnet_mpls_uc_set_ttl ( mpls_label_t *  label_exp_s_ttl, u32  ttl  )

inlinestatic

Definition at line 146 of file packet.h.

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