diff mbox

[API-NEXT,PATCHv5,1/4] api: classification: add pmr create api

Message ID 1454521550-21579-2-git-send-email-bala.manoharan@linaro.org
State New
Headers show

Commit Message

Balasubramanian Manoharan Feb. 3, 2016, 5:45 p.m. UTC
Packet match rule creation is modified to include source and destination
class of service. Removes the ability to add any class of service directly
with pktio. If a PMR needs to be applied at the pktio level the same
should be applied to default class of service.

Packet match rule destroy function is updated to removes the link between
the source and destination class of service.

odp_pmr_match_set_t handle is removed and pmr create function is modified
to take number of terms and composite rule is created by providing more
than one term.

Signed-off-by: Balasubramanian Manoharan <bala.manoharan@linaro.org>
Reviewed-by: Petri Savolainen <petri.savolainen@nokia.com>
---
 include/odp/api/classification.h | 140 +++++++++------------------------------
 1 file changed, 30 insertions(+), 110 deletions(-)
diff mbox

Patch

diff --git a/include/odp/api/classification.h b/include/odp/api/classification.h
index f46912e..076b3de 100644
--- a/include/odp/api/classification.h
+++ b/include/odp/api/classification.h
@@ -50,16 +50,11 @@  extern "C" {
 /**
  * @def ODP_PMR_INVAL
  * Invalid odp_pmr_t value.
- * This value is returned from odp_pmr_create()
+ * This value is returned from odp_cls_pmr_create()
  * function on failure.
  */
 
 /**
- * @def ODP_PMR_SET_INVAL
- * Invalid odp_pmr_set_t value.
- */
-
-/**
  * class of service packet drop policies
  */
 typedef enum {
@@ -286,50 +281,46 @@  typedef struct odp_pmr_match_t {
 } odp_pmr_match_t;
 
 /**
- * Create a packet match rule with mask and value
+ * Create a packet match rule between source and destination class of service.
+ * This packet matching rule is applied on all packets arriving at the source
+ * class of service and packets satisfying this PMR are sent to the destination
+ * class of service.
+ * A composite PMR rule is created when the number of terms in the match rule
+ * is more than one. The composite rule is considered as matching only if
+ * the packet satisfies all the terms in Packet Match Rule.
+ * The underlying platform may not support all or any specific combination
+ * of value match rules, and the application should take care
+ * of inspecting the return value when installing such rules, and perform
+ * appropriate fallback action.
  *
- * @param[in]	match   packet matching rule definition
+ * @param[in]	terms		Array of odp_pmr_match_t entries, one entry per
+ *				term desired.
+ * @param[in]	num_terms	Number of terms in the match rule.
+ * @param[in]	src_cos		source CoS handle
+ * @param[in]	dst_cos		destination CoS handle
  *
- * @return		Handle of the matching rule
- * @retval		ODP_PMR_INVAL on failure
+ * @return			Handle to the Packet Match Rule.
+ * @retval			ODP_PMR_INVAL on failure
  */
-odp_pmr_t odp_pmr_create(const odp_pmr_match_t *match);
+odp_pmr_t odp_cls_pmr_create(const odp_pmr_match_t *terms, int num_terms,
+			     odp_cos_t src_cos, odp_cos_t dst_cos);
 
 /**
- * Invalidate a packet match rule and vacate its resources
+ * Function to destroy a packet match rule
+ * Destroying a PMR removes the link between the source and destination
+ * class of service and this PMR will no longer be applied for packets arriving
+ * at the source class of service. All the resource associated with the PMR
+ * be release but the class of service will remain intact.
+ * Depending on the implementation details, destroying a composite rule
+ * may not guarantee the availability of hardware resources to create the
+ * same or essentially similar rule.
  *
  * @param[in]	pmr_id	Identifier of the PMR to be destroyed
  *
  * @retval		0 on success
  * @retval		<0 on failure
  */
-int odp_pmr_destroy(odp_pmr_t pmr_id);
-
-/**
- * Apply a PMR to a pktio to assign a CoS.
- *
- * @param[in]	pmr_id		PMR to be activated
- * @param[in]	src_pktio	pktio to which this PMR is to be applied
- * @param[in]	dst_cos		CoS to be assigned by this PMR
- *
- * @retval		0 on success
- * @retval		<0 on failure
- */
-int odp_pktio_pmr_cos(odp_pmr_t pmr_id,
-		      odp_pktio_t src_pktio, odp_cos_t dst_cos);
-
-/**
- * Cascade a PMR to refine packets from one CoS to another.
- *
- * @param[in]	pmr_id		PMR to be activated
- * @param[in]	src_cos		CoS to be filtered
- * @param[in]	dst_cos		CoS to be assigned to packets filtered
- *				from src_cos that match pmr_id.
- *
- * @retval		0 on success
- * @retval		<0 on failure
- */
-int odp_cos_pmr_cos(odp_pmr_t pmr_id, odp_cos_t src_cos, odp_cos_t dst_cos);
+int odp_cls_pmr_destroy(odp_pmr_t pmr_id);
 
 /**
  * Inquire about matching terms supported by the classifier
@@ -346,64 +337,6 @@  unsigned long long odp_pmr_terms_cap(void);
 unsigned odp_pmr_terms_avail(void);
 
 /**
- * @typedef odp_pmr_set_t
- * An opaque handle to a composite packet match rule-set
- */
-
-/**
- * Create a composite packet match rule in the form of an array of individual
- * match rules.
- * The underlying platform may not support all or any specific combination
- * of value match rules, and the application should take care
- * of inspecting the return value when installing such rules, and perform
- * appropriate fallback action.
- *
- * @param[in]	num_terms	Number of terms in the match rule.
- * @param[in]	terms		Array of num_terms entries, one entry per
- *				term desired.
- * @param[out]	pmr_set_id	Returned handle to the composite rule set.
- *
- * @return			the number of terms elements
- *				that have been successfully mapped to the
- *				underlying platform classification engine
- * @retval			<0 on failure
- */
-int odp_pmr_match_set_create(int num_terms, const odp_pmr_match_t *terms,
-			     odp_pmr_set_t *pmr_set_id);
-
-/**
- * Function to delete a composite packet match rule set
- * Depending on the implementation details, destroying a rule-set
- * may not guarantee the availability of hardware resources to create the
- * same or essentially similar rule-set.
- *
- * All of the resources pertaining to the match set associated with the
- * class-of-service will be released, but the class-of-service will
- * remain intact.
- *
- * @param[in]	pmr_set_id	A composite rule-set handle
- *				returned when created.
- *
- * @retval			0 on success
- * @retval			<0 on failure
- */
-int odp_pmr_match_set_destroy(odp_pmr_set_t pmr_set_id);
-
-/**
- * Apply a PMR Match Set to a pktio to assign a CoS.
- *
- * @param[in]	pmr_set_id	PMR match set to be activated
- * @param[in]	src_pktio	pktio to which this PMR match
- *				set is to be applied
- * @param[in]	dst_cos		CoS to be assigned by this PMR match set
- *
- * @retval			0 on success
- * @retval			<0 on failure
- */
-int odp_pktio_pmr_match_set_cos(odp_pmr_set_t pmr_set_id, odp_pktio_t src_pktio,
-				odp_cos_t dst_cos);
-
-/**
 * Assigns a packet pool for a specific class of service.
 * All the packets belonging to the given class of service will
 * be allocated from the assigned packet pool.
@@ -456,19 +389,6 @@  uint64_t odp_cos_to_u64(odp_cos_t hdl);
 uint64_t odp_pmr_to_u64(odp_pmr_t hdl);
 
 /**
- * Get printable value for an odp_pmr_set_t
- *
- * @param hdl  odp_pmr_set_t handle to be printed
- * @return     uint64_t value that can be used to print/display this
- *             handle
- *
- * @note This routine is intended to be used for diagnostic purposes
- * to enable applications to generate a printable value that represents
- * an odp_pmr_set_t handle.
- */
-uint64_t odp_pmr_set_to_u64(odp_pmr_set_t hdl);
-
-/**
  * @}
  */