ip_packet.h File Reference

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Macros
#define	ip_protocol(n, s)   IP_PROTOCOL_##s = n,
#define	ip_port(s, n)   IP_PORT_##s = n,
#define	foreach_ip_builtin_multicast_group
#define	ip_csum_update(sum, old, new, type, field)

Typedefs
typedef enum ip_protocol	ip_protocol_t
typedef uword	ip_csum_t

Enumerations
enum	ip_protocol { ip_protocol, ip_protocol }
enum	ip_port_t { ip_port, ip_port }
enum	ip_builtin_protocol_t { IP_BUILTIN_PROTOCOL_UDP, IP_BUILTIN_PROTOCOL_ICMP, IP_BUILTIN_PROTOCOL_UNKNOWN }
enum	ip_multicast_group_t { foreach_ip_builtin_multicast_group }

Functions
static ip_csum_t	ip_csum_with_carry (ip_csum_t sum, ip_csum_t x)
static ip_csum_t	ip_csum_add_even (ip_csum_t c, ip_csum_t x)
static ip_csum_t	ip_csum_sub_even (ip_csum_t c, ip_csum_t x)
static ip_csum_t	ip_csum_update_inline (ip_csum_t sum, ip_csum_t old, ip_csum_t new, u32 field_byte_offset, u32 field_n_bytes)
static u16	ip_csum_fold (ip_csum_t c)
ip_csum_t	ip_csum_and_memcpy (ip_csum_t sum, void *dst, void *src, uword n_bytes)
static u16	ip_csum_and_memcpy_fold (ip_csum_t sum, void *dst)
ip_csum_t	ip_incremental_checksum (ip_csum_t sum, void *data, uword n_bytes)

Macro Definition Documentation

#define foreach_ip_builtin_multicast_group

Value:

_ (1, all_hosts_on_subnet)                      \
  _ (2, all_routers_on_subnet)                  \
  _ (4, dvmrp)                                  \
  _ (5, ospf_all_routers)                       \
  _ (6, ospf_designated_routers)                \
  _ (13, pim)                                   \
  _ (18, vrrp)                                  \
  _ (102, hsrp)                                 \
  _ (22, igmp_v3)

Definition at line 66 of file ip_packet.h.

#define ip_csum_update	(		sum,
			old,
			new,
			type,
			field
	)

Value:

ip_csum_update_inline ((sum), (old), (new),                     \
                         STRUCT_OFFSET_OF (type, field),        \
                         STRUCT_SIZE_OF (type, field))

Definition at line 133 of file ip_packet.h.

#define ip_port	(		s,
			n
	)		IP_PORT_##s = n,

Definition at line 54 of file ip_packet.h.

#define ip_protocol	(		n,
			s
	)		IP_PROTOCOL_##s = n,

Definition at line 47 of file ip_packet.h.

Typedef Documentation

typedef uword ip_csum_t

Definition at line 86 of file ip_packet.h.

typedef enum ip_protocol ip_protocol_t

Enumeration Type Documentation

enum ip_builtin_protocol_t

Enumerator
IP_BUILTIN_PROTOCOL_UDP
IP_BUILTIN_PROTOCOL_ICMP
IP_BUILTIN_PROTOCOL_UNKNOWN

Definition at line 60 of file ip_packet.h.

enum ip_multicast_group_t

Enumerator
foreach_ip_builtin_multicast_group

Definition at line 77 of file ip_packet.h.

enum ip_port_t

Enumerator
ip_port
ip_port

Definition at line 53 of file ip_packet.h.

enum ip_protocol

Enumerator
ip_protocol
ip_protocol

Definition at line 46 of file ip_packet.h.

Function Documentation

static ip_csum_t ip_csum_add_even ( ip_csum_t  c, ip_csum_t  x  )

inlinestatic

Definition at line 97 of file ip_packet.h.

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ip_csum_t ip_csum_and_memcpy	(	ip_csum_t	sum,
		void *	dst,
		void *	src,
		uword	n_bytes
	)

Definition at line 110 of file ip_checksum.c.

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static u16 ip_csum_and_memcpy_fold ( ip_csum_t  sum, void *  dst  )

inlinestatic

Definition at line 156 of file ip_packet.h.

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static u16 ip_csum_fold ( ip_csum_t  c )

inlinestatic

Definition at line 138 of file ip_packet.h.

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static ip_csum_t ip_csum_sub_even ( ip_csum_t  c, ip_csum_t  x  )

inlinestatic

Definition at line 113 of file ip_packet.h.

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static ip_csum_t ip_csum_update_inline ( ip_csum_t  sum, ip_csum_t  old, ip_csum_t  new, u32  field_byte_offset, u32  field_n_bytes  )

inlinestatic

Definition at line 117 of file ip_packet.h.

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static ip_csum_t ip_csum_with_carry ( ip_csum_t  sum, ip_csum_t  x  )

inlinestatic

Definition at line 89 of file ip_packet.h.

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ip_csum_t ip_incremental_checksum	(	ip_csum_t	sum,
		void *	data,
		uword	n_bytes
	)

Definition at line 43 of file ip_checksum.c.

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