ipv6.h File Reference
The IPv6 header. More...
#include "rohc_utils.h"#include <stdint.h>#include <stddef.h>#include "config.h"
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Data Structures | |
| struct | ipv6_addr |
| The IPv6 address. More... | |
| struct | ipv6_hdr |
| The IPv6 header. More... | |
| struct | ipv6_opt |
Defines | |
| #define | IPV6_ADDR_FORMAT "%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x" |
| #define | IPV6_ADDR_IN6(x) IPV6_ADDR_RAW((x)->u8) |
| #define | IPV6_ADDR_RAW(x) |
| #define | IPV6_ADDR_CMP(x, y) |
| #define | IPV6_VERSION_MASK 0xf0000000U |
| #define | IPV6_TC_MASK 0x0ff00000U |
| #define | IPV6_FLOW_MASK 0x000fffffU |
| #define | IPV6_OPT_HDR_LEN_FIELD_MAX_VAL 0xffU |
| #define | IPV6_OPT_HDR_LEN_MAX ((IPV6_OPT_HDR_LEN_FIELD_MAX_VAL + 1) * 8) |
| #define | IPV6_OPT_CTXT_LEN_MAX (IPV6_OPT_HDR_LEN_MAX - 2) |
Functions | |
| static uint8_t | ipv6_get_tc (const struct ipv6_hdr *const ipv6) |
| Get the Traffic Class (TC) of the given IPv6 packet. | |
| static void | ipv6_set_tc (struct ipv6_hdr *const ipv6, const uint8_t tc) |
| Set the Traffic Class (TC) of the given IPv6 packet. | |
| static void | ipv6_set_dscp_ecn (struct ipv6_hdr *const ipv6, const uint8_t dscp, const uint8_t ecn) |
| Set the DSCP and ECN of the given IPv6 packet. | |
| static uint8_t | ipv6_get_dscp (const struct ipv6_hdr *const ipv6) |
| Get the Differentiated Services Code Point (DSCP) of the given IPv6 packet. | |
| static void | ipv6_set_dscp (struct ipv6_hdr *const ipv6, const uint8_t dscp) |
| Set the Differentiated Services Code Point (DSCP) of the given IPv6 packet. | |
| static uint32_t | ipv6_get_flow_label (const struct ipv6_hdr *const ipv6) |
| Get the Flow Label of the given IPv6 packet. | |
| static void | ipv6_set_flow_label (struct ipv6_hdr *const ipv6, const uint32_t flow_label) |
| Set the Flow Label of the given IPv6 packet. | |
| static size_t | ipv6_opt_get_length (const struct ipv6_opt *const opt) |
| get the length (in bytes) of the IPv6 option header | |
Detailed Description
The IPv6 header.
Define Documentation
| #define IPV6_ADDR_CMP | ( | x, | |||
| y | ) |
Value:
((x)->u32[0] == (y)->u32[0] && (x)->u32[1] == (y)->u32[1] && \
(x)->u32[2] == (y)->u32[2] && (x)->u32[3] == (y)->u32[3])
Compare two IPv6 addresses in (struct ipv6_addr *) format
| #define IPV6_ADDR_FORMAT "%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x" |
The format to print an IPv6 address
| #define IPV6_ADDR_IN6 | ( | x | ) | IPV6_ADDR_RAW((x)->u8) |
The data to print an IPv6 address in (struct ipv6_addr *) format
| #define IPV6_ADDR_RAW | ( | x | ) |
Value:
(x)[0], (x)[1], (x)[2], (x)[3], (x)[4], (x)[5], (x)[6], (x)[7], \
(x)[8], (x)[9], (x)[10], (x)[11], (x)[12], (x)[13], (x)[14], (x)[15]
The data to print an IPv6 address in raw format
| #define IPV6_FLOW_MASK 0x000fffffU |
The mask for the Flow Label field
| #define IPV6_OPT_CTXT_LEN_MAX (IPV6_OPT_HDR_LEN_MAX - 2) |
The maximum length for the IPv6 extension header context
| #define IPV6_OPT_HDR_LEN_FIELD_MAX_VAL 0xffU |
The maximum value of the length field of one IPv6 extension header
| #define IPV6_OPT_HDR_LEN_MAX ((IPV6_OPT_HDR_LEN_FIELD_MAX_VAL + 1) * 8) |
The maximum length of one IPv6 extension header
| #define IPV6_TC_MASK 0x0ff00000U |
The mask for the Traffic Class (TC) field
| #define IPV6_VERSION_MASK 0xf0000000U |
The mask for the Traffic Class (TC) field
Function Documentation
| static uint8_t ipv6_get_dscp | ( | const struct ipv6_hdr *const | ipv6 | ) | [inline, static] |
Get the Differentiated Services Code Point (DSCP) of the given IPv6 packet.
- Parameters:
-
ipv6 The header of the IPv6 packet
- Returns:
- The 6-bit DSCP
| static uint32_t ipv6_get_flow_label | ( | const struct ipv6_hdr *const | ipv6 | ) | [inline, static] |
Get the Flow Label of the given IPv6 packet.
- Parameters:
-
ipv6 The header of the IPv6 packet
- Returns:
- The 20-bit Flow Label
| static uint8_t ipv6_get_tc | ( | const struct ipv6_hdr *const | ipv6 | ) | [inline, static] |
Get the Traffic Class (TC) of the given IPv6 packet.
- Parameters:
-
ipv6 The header of the IPv6 packet
- Returns:
- The 8-bit Traffic Class (TC)
| static size_t ipv6_opt_get_length | ( | const struct ipv6_opt *const | opt | ) | [inline, static] |
get the length (in bytes) of the IPv6 option header
- Parameters:
-
opt The IPv6 option header
- Returns:
- The length (in bytes) of the IPv6 option header
| static void ipv6_set_dscp | ( | struct ipv6_hdr *const | ipv6, | |
| const uint8_t | dscp | |||
| ) | [inline, static] |
Set the Differentiated Services Code Point (DSCP) of the given IPv6 packet.
- Parameters:
-
[in,out] ipv6 The header of the IPv6 packet dscp The 6-bit DSCP
| static void ipv6_set_dscp_ecn | ( | struct ipv6_hdr *const | ipv6, | |
| const uint8_t | dscp, | |||
| const uint8_t | ecn | |||
| ) | [inline, static] |
Set the DSCP and ECN of the given IPv6 packet.
- Parameters:
-
[in,out] ipv6 The header of the IPv6 packet dscp The 6-bit DSCP ecn The 2-bit ECN
| static void ipv6_set_flow_label | ( | struct ipv6_hdr *const | ipv6, | |
| const uint32_t | flow_label | |||
| ) | [inline, static] |
Set the Flow Label of the given IPv6 packet.
- Parameters:
-
[in,out] ipv6 The header of the IPv6 packet flow_label The 20-bit Flow Label
| static void ipv6_set_tc | ( | struct ipv6_hdr *const | ipv6, | |
| const uint8_t | tc | |||
| ) | [inline, static] |
Set the Traffic Class (TC) of the given IPv6 packet.
- Parameters:
-
[in,out] ipv6 The header of the IPv6 packet tc The 8-bit Traffic Class (TC)
