libnl  3.2.24-rc1
Universal 32-bit Classifier

Attribute Modifications

void rtnl_u32_set_handle (struct rtnl_cls *cls, int htid, int hash, int nodeid)
 
int rtnl_u32_set_classid (struct rtnl_cls *cls, uint32_t classid)
 
int rtnl_u32_set_divisor (struct rtnl_cls *cls, uint32_t divisor)
 
int rtnl_u32_set_link (struct rtnl_cls *cls, uint32_t link)
 
int rtnl_u32_set_hashtable (struct rtnl_cls *cls, uint32_t ht)
 
int rtnl_u32_set_hashmask (struct rtnl_cls *cls, uint32_t hashmask, uint32_t offset)
 
int rtnl_u32_set_cls_terminal (struct rtnl_cls *cls)
 
int rtnl_u32_add_action (struct rtnl_cls *cls, struct rtnl_act *act)
 
int rtnl_u32_del_action (struct rtnl_cls *cls, struct rtnl_act *act)
 

Selector Modifications

int rtnl_u32_set_flags (struct rtnl_cls *cls, int flags)
 
int rtnl_u32_add_key (struct rtnl_cls *cls, uint32_t val, uint32_t mask, int off, int offmask)
 Append new 32-bit key to the selector. More...
 
int rtnl_u32_get_key (struct rtnl_cls *cls, uint8_t index, uint32_t *val, uint32_t *mask, int *off, int *offmask)
 Get the 32-bit key from the selector. More...
 
int rtnl_u32_add_key_uint8 (struct rtnl_cls *cls, uint8_t val, uint8_t mask, int off, int offmask)
 
int rtnl_u32_add_key_uint16 (struct rtnl_cls *cls, uint16_t val, uint16_t mask, int off, int offmask)
 Append new selector key to match a 16-bit number. More...
 
int rtnl_u32_add_key_uint32 (struct rtnl_cls *cls, uint32_t val, uint32_t mask, int off, int offmask)
 Append new selector key to match a 32-bit number. More...
 
int rtnl_u32_add_key_in_addr (struct rtnl_cls *cls, struct in_addr *addr, uint8_t bitmask, int off, int offmask)
 
int rtnl_u32_add_key_in6_addr (struct rtnl_cls *cls, struct in6_addr *addr, uint8_t bitmask, int off, int offmask)
 

Detailed Description

Function Documentation

int rtnl_u32_add_key ( struct rtnl_cls *  cls,
uint32_t  val,
uint32_t  mask,
int  off,
int  offmask 
)

Append new 32-bit key to the selector.

Parameters
clsclassifier to be modifier
valvalue to be matched (network byte-order)
maskmask to be applied before matching (network byte-order)
offoffset, in bytes, to start matching
offmaskoffset mask

General selectors define the pattern, mask and offset the pattern will be matched to the packet contents. Using the general selectors you can match virtually any single bit in the IP (or upper layer) header.

Definition at line 542 of file u32.c.

References nl_data_append(), rtnl_tc_data(), and TC_CAST.

Referenced by rtnl_u32_add_key_uint16(), and rtnl_u32_add_key_uint32().

+ Here is the call graph for this function:

+ Here is the caller graph for this function:

int rtnl_u32_get_key ( struct rtnl_cls *  cls,
uint8_t  index,
uint32_t *  val,
uint32_t *  mask,
int *  off,
int *  offmask 
)

Get the 32-bit key from the selector.

Parameters
clsclassifier to be retrieve
indexthe index of the array of keys, start with 0
valpointer to store value after masked (network byte-order)
maskpointer to store the mask (network byte-order)
offpointer to store the offset
offmaskpointer to store offset mask

Definition at line 584 of file u32.c.

References rtnl_tc_data(), and TC_CAST.

+ Here is the call graph for this function:

int rtnl_u32_add_key_uint16 ( struct rtnl_cls *  cls,
uint16_t  val,
uint16_t  mask,
int  off,
int  offmask 
)

Append new selector key to match a 16-bit number.

Parameters
clsclassifier to be modified
valvalue to be matched (host byte-order)
maskmask to be applied before matching (host byte-order)
offoffset, in bytes, to start matching
offmaskoffset mask

Definition at line 628 of file u32.c.

References rtnl_u32_add_key().

+ Here is the call graph for this function:

int rtnl_u32_add_key_uint32 ( struct rtnl_cls *  cls,
uint32_t  val,
uint32_t  mask,
int  off,
int  offmask 
)

Append new selector key to match a 32-bit number.

Parameters
clsclassifier to be modified
valvalue to be matched (host byte-order)
maskmask to be applied before matching (host byte-order)
offoffset, in bytes, to start matching
offmaskoffset mask

Definition at line 649 of file u32.c.

References rtnl_u32_add_key().

+ Here is the call graph for this function: