avf_fdir_lib.c File Reference

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Macros
#define	AVF_FDIR_IPV6_TC_OFFSET   20
#define	AVF_IPV6_TC_MASK   (0xFF << AVF_FDIR_IPV6_TC_OFFSET)
#define	AVF_FDIR_MAX_QREGION_SIZE   128

Functions
static int	fls_u32 (u32 x)
static int	ether_addr_is_zero (const struct avf_ether_addr *ea)
int	avf_fdir_rcfg_create (struct avf_fdir_conf **rcfg, int tunnel_level, u16 vsi, u16 nrxq)
	Create a rule cfg object. More...
int	avf_fdir_rcfg_destroy (struct avf_fdir_conf *rcfg)
	Destroy a rule cfg object. More...
int	avf_fdir_rcfg_set_hdr (struct avf_fdir_conf *rcfg, int layer, enum virtchnl_proto_hdr_type hdr)
	Set match potocol header on specific layer, it will overwrite is already be set. More...
int	avf_fdir_rcfg_set_field (struct avf_fdir_conf *rcfg, int layer, struct avf_flow_item *item, struct avf_flow_error *error)
	Set a match field on specific protocol layer, if any match field already be set on this layer, it will be overwritten. More...
int	avf_fdir_rcfg_act_queue (struct avf_fdir_conf *rcfg, int queue, int size, int act_idx)
	Set action as to queue(group), conflict with drop action. More...
int	avf_fdir_parse_action_qregion (struct avf_fdir_conf *rcfg, const struct avf_flow_action *act, int act_idx, struct avf_flow_error *error)
	Set action as to queue group, conflict with drop action. More...
int	avf_fdir_rcfg_act_drop (struct avf_fdir_conf *rcfg, int act_idx)
	Set action as as drop, conflict with to queue(gropu) action. More...
int	avf_fdir_rcfg_act_mark (struct avf_fdir_conf *rcfg, const u32 mark, int act_idx)
	Set action as mark, it can co-exist with to queue(group) or drop action. More...
int	avf_fdir_rcfg_validate (struct avf_fdir_vc_ctx *ctx, struct avf_fdir_conf *rcfg)
	Validate a flow rule cfg, check with PF driver if the rule cfg is supportted or not. More...
int	avf_fdir_rule_create (struct avf_fdir_vc_ctx *ctx, struct avf_fdir_conf *rcfg)
	Create a flow rule, a FDIR rule is expected to be programmed into hardware if return success. More...
int	avf_fdir_rule_destroy (struct avf_fdir_vc_ctx *ctx, struct avf_fdir_conf *rcfg)
	Destroy a flow rule. More...
int	avf_fdir_parse_action (const struct avf_flow_action actions[], struct avf_fdir_conf *rcfg, struct avf_flow_error *error)
int	avf_fdir_parse_pattern (struct avf_fdir_conf *rcfg, struct avf_flow_item avf_items[], struct avf_flow_error *error)
int	avf_flow_error_set (struct avf_flow_error *error, int code, enum avf_flow_error_type type, const void *cause, const char *message)
	Initialize flow error structure. More...
char *	avf_fdir_prgm_error_decode (int err_no)

Macro Definition Documentation

AVF_FDIR_IPV6_TC_OFFSET

#define AVF_FDIR_IPV6_TC_OFFSET   20

Definition at line 21 of file avf_fdir_lib.c.

AVF_FDIR_MAX_QREGION_SIZE

#define AVF_FDIR_MAX_QREGION_SIZE   128

Definition at line 23 of file avf_fdir_lib.c.

AVF_IPV6_TC_MASK

#define AVF_IPV6_TC_MASK   (0xFF << AVF_FDIR_IPV6_TC_OFFSET)

Definition at line 22 of file avf_fdir_lib.c.

Function Documentation

avf_fdir_parse_action()

int avf_fdir_parse_action	(	const struct avf_flow_action	actions[],
		struct avf_fdir_conf *	rcfg,
		struct avf_flow_error *	error
	)

Definition at line 672 of file avf_fdir_lib.c.

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avf_fdir_parse_action_qregion()

int avf_fdir_parse_action_qregion	(	struct avf_fdir_conf *	rcfg,
		const struct avf_flow_action *	act,
		int	act_idx,
		struct avf_flow_error *	error
	)

Set action as to queue group, conflict with drop action.

Parameters

rcfg	the rule cfg object
act	flow actions
act_idx	action index @error save error cause

Returns

0 = successful. < 0 = failure.

Definition at line 507 of file avf_fdir_lib.c.

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avf_fdir_parse_pattern()

int avf_fdir_parse_pattern	(	struct avf_fdir_conf *	rcfg,
		struct avf_flow_item	avf_items[],
		struct avf_flow_error *	error
	)

Definition at line 789 of file avf_fdir_lib.c.

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avf_fdir_prgm_error_decode()

char* avf_fdir_prgm_error_decode

(

int

err_no

)

Definition at line 827 of file avf_fdir_lib.c.

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avf_fdir_rcfg_act_drop()

int avf_fdir_rcfg_act_drop	(	struct avf_fdir_conf *	rcfg,
		int	act_idx
	)

Set action as as drop, conflict with to queue(gropu) action.

Parameters

rcfg	the rule cfg object
act_idx	action index

Returns

0 = successful. < 0 = failure.

Definition at line 564 of file avf_fdir_lib.c.

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avf_fdir_rcfg_act_mark()

int avf_fdir_rcfg_act_mark	(	struct avf_fdir_conf *	rcfg,
		const u32	mark,
		int	act_idx
	)

Set action as mark, it can co-exist with to queue(group) or drop action.

Parameters

rcfg	the rule cfg object
mark	a 32 bit flow mark
act_idx	action index

Returns

0 = successful. < 0 = failure.

Definition at line 578 of file avf_fdir_lib.c.

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avf_fdir_rcfg_act_queue()

int avf_fdir_rcfg_act_queue	(	struct avf_fdir_conf *	rcfg,
		int	queue,
		int	size,
		int	act_idx
	)

Set action as to queue(group), conflict with drop action.

Parameters

rcfg	rule cfg object
queue	queue id.
size	queue group size, must be 2^n. 1 means only to single queue.
act_idx	action index

Returns

0 = successful. < 0 = failure.

Definition at line 486 of file avf_fdir_lib.c.

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avf_fdir_rcfg_create()

int avf_fdir_rcfg_create	(	struct avf_fdir_conf **	rcfg,
		int	tunnel_level,
		u16	vsi,
		u16	nrxq
	)

Create a rule cfg object.

Parameters

rcfg	created rule cfg object.
tunnel	tunnel level where protocol header start from 0 from moster outer layer. 1 from first inner layer. 2 form second inner layer. ...
vsi	avf vsi id
nrxq	the rx queue number of the avf

Returns

0 = successful. < 0 = failure.

Definition at line 43 of file avf_fdir_lib.c.

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avf_fdir_rcfg_destroy()

int avf_fdir_rcfg_destroy

(

struct avf_fdir_conf *

rcfg

)

Destroy a rule cfg object.

Parameters

rcfg	the cfg object to destroy.

Returns

0 = successful. < 0 = failure.

Definition at line 62 of file avf_fdir_lib.c.

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avf_fdir_rcfg_set_field()

int avf_fdir_rcfg_set_field	(	struct avf_fdir_conf *	rcfg,
		int	layer,
		struct avf_flow_item *	item,
		struct avf_flow_error *	error
	)

Set a match field on specific protocol layer, if any match field already be set on this layer, it will be overwritten.

Parameters

rcfg	the rule cfg object
layer	layer of the protocol header.
item	flow item
error	save error cause

Returns

0 = successful. < 0 = failure.

Definition at line 85 of file avf_fdir_lib.c.

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avf_fdir_rcfg_set_hdr()

int avf_fdir_rcfg_set_hdr	(	struct avf_fdir_conf *	rcfg,
		int	layer,
		enum virtchnl_proto_hdr_type	hdr
	)

Set match potocol header on specific layer, it will overwrite is already be set.

Parameters

rcfg	the rule cfg object
layer	layer of the protocol header.
hdr	protocol header type.

Returns

0 = successful. < 0 = failure.

Definition at line 70 of file avf_fdir_lib.c.

avf_fdir_rcfg_validate()

int avf_fdir_rcfg_validate	(	struct avf_fdir_vc_ctx *	ctx,
		struct avf_fdir_conf *	rcfg
	)

Validate a flow rule cfg, check with PF driver if the rule cfg is supportted or not.

Parameters

ctx	virtual channel context
rcfg	the rule cfg object.

Returns

0 = successful. < 0 = failure.

Definition at line 594 of file avf_fdir_lib.c.

avf_fdir_rule_create()

int avf_fdir_rule_create	(	struct avf_fdir_vc_ctx *	ctx,
		struct avf_fdir_conf *	rcfg
	)

Create a flow rule, a FDIR rule is expected to be programmed into hardware if return success.

Parameters

ctx	virtual channel context
rcfg	rule cfg object.

Returns

0 = successfule. < 0 = failure.

Definition at line 620 of file avf_fdir_lib.c.

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avf_fdir_rule_destroy()

int avf_fdir_rule_destroy	(	struct avf_fdir_vc_ctx *	ctx,
		struct avf_fdir_conf *	rcfg
	)

Destroy a flow rule.

Parameters

ctx	virtual channel context
rcfg	the rule cfg object.

Returns

0 = successfule. < 0 = failure.

Definition at line 647 of file avf_fdir_lib.c.

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avf_flow_error_set()

int avf_flow_error_set	(	struct avf_flow_error *	error,
		int	code,
		enum avf_flow_error_type	type,
		const void *	cause,
		const char *	message
	)

Initialize flow error structure.

Parameters

[out]	error	Pointer to flow error structure (may be NULL).
	code	Related error code
	type	Cause field and error types.
	cause	Object responsible for the error.
	message	Human-readable error message.

Returns

Negative error code (errno value)

Definition at line 810 of file avf_fdir_lib.c.

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ether_addr_is_zero()

static int ether_addr_is_zero ( const struct avf_ether_addr *  ea )

inlinestatic

Definition at line 35 of file avf_fdir_lib.c.

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fls_u32()

static int fls_u32 ( u32  x )

inlinestatic

Definition at line 29 of file avf_fdir_lib.c.

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