lib: use C99 syntax for zero-size arrays

[dpdk.git] / lib / librte_acl / rte_acl.h

diff --git a/lib/librte_acl/rte_acl.h b/lib/librte_acl/rte_acl.h
index 0d913ee..caa91f7 100644 (file)
--- a/lib/librte_acl/rte_acl.h
+++ b/lib/librte_acl/rte_acl.h
@@ -94,6 +94,8 @@ struct rte_acl_config {
        uint32_t num_fields;     /**< Number of field definitions. */
        struct rte_acl_field_def defs[RTE_ACL_MAX_FIELDS];
        /**< array of field definitions. */
+       size_t max_size;
+       /**< max memory limit for internal run-time structures. */
 };
 
 /**
@@ -113,13 +115,16 @@ struct rte_acl_field {
 
 enum {
        RTE_ACL_TYPE_SHIFT = 29,
-       RTE_ACL_MAX_INDEX = LEN2MASK(RTE_ACL_TYPE_SHIFT),
+       RTE_ACL_MAX_INDEX = RTE_LEN2MASK(RTE_ACL_TYPE_SHIFT, uint32_t),
        RTE_ACL_MAX_PRIORITY = RTE_ACL_MAX_INDEX,
        RTE_ACL_MIN_PRIORITY = 0,
 };
 
 #define        RTE_ACL_INVALID_USERDATA        0
 
+#define        RTE_ACL_MASKLEN_TO_BITMASK(v, s)        \
+((v) == 0 ? (v) : (typeof(v))((uint64_t)-1 << ((s) * CHAR_BIT - (v))))
+
 /**
  * Miscellaneous data for ACL rule.
  */
@@ -139,7 +144,7 @@ struct rte_acl_rule_data {
        struct rte_acl_field field[fld_num];         \
 }
 
-RTE_ACL_RULE_DEF(rte_acl_rule, 0);
+RTE_ACL_RULE_DEF(rte_acl_rule,);
 
 #define        RTE_ACL_RULE_SZ(fld_num)        \
        (sizeof(struct rte_acl_rule) + sizeof(struct rte_acl_field) * (fld_num))
@@ -168,7 +173,6 @@ struct rte_acl_param {
  *   Pointer to ACL context structure that is used in future ACL
  *   operations, or NULL on error, with error code set in rte_errno.
  *   Possible rte_errno errors include:
- *   - E_RTE_NO_TAILQ - no tailq list could be got for the ACL context list
  *   - EINVAL - invalid parameter passed to function
  */
 struct rte_acl_ctx *
@@ -265,6 +269,10 @@ enum rte_acl_classify_alg {
        RTE_ACL_CLASSIFY_DEFAULT = 0,
        RTE_ACL_CLASSIFY_SCALAR = 1,  /**< generic implementation. */
        RTE_ACL_CLASSIFY_SSE = 2,     /**< requires SSE4.1 support. */
+       RTE_ACL_CLASSIFY_AVX2 = 3,    /**< requires AVX2 support. */
+       RTE_ACL_CLASSIFY_NEON = 4,    /**< requires NEON support. */
+       RTE_ACL_CLASSIFY_ALTIVEC = 5,    /**< requires ALTIVEC support. */
+       RTE_ACL_CLASSIFY_NUM          /* should always be the last one. */
 };
 
 /**
@@ -374,110 +382,6 @@ rte_acl_dump(const struct rte_acl_ctx *ctx);
 void
 rte_acl_list_dump(void);
 
-/**
- * Legacy support for 7-tuple IPv4 and VLAN rule.
- * This structure and corresponding API is deprecated.
- */
-struct rte_acl_ipv4vlan_rule {
-       struct rte_acl_rule_data data; /**< Miscellaneous data for the rule. */
-       uint8_t proto;                 /**< IPv4 protocol ID. */
-       uint8_t proto_mask;            /**< IPv4 protocol ID mask. */
-       uint16_t vlan;                 /**< VLAN ID. */
-       uint16_t vlan_mask;            /**< VLAN ID mask. */
-       uint16_t domain;               /**< VLAN domain. */
-       uint16_t domain_mask;          /**< VLAN domain mask. */
-       uint32_t src_addr;             /**< IPv4 source address. */
-       uint32_t src_mask_len;         /**< IPv4 source address mask. */
-       uint32_t dst_addr;             /**< IPv4 destination address. */
-       uint32_t dst_mask_len;         /**< IPv4 destination address mask. */
-       uint16_t src_port_low;         /**< L4 source port low. */
-       uint16_t src_port_high;        /**< L4 source port high. */
-       uint16_t dst_port_low;         /**< L4 destination port low. */
-       uint16_t dst_port_high;        /**< L4 destination port high. */
-};
-
-/**
- * Specifies fields layout inside rte_acl_rule for rte_acl_ipv4vlan_rule.
- */
-enum {
-       RTE_ACL_IPV4VLAN_PROTO_FIELD,
-       RTE_ACL_IPV4VLAN_VLAN1_FIELD,
-       RTE_ACL_IPV4VLAN_VLAN2_FIELD,
-       RTE_ACL_IPV4VLAN_SRC_FIELD,
-       RTE_ACL_IPV4VLAN_DST_FIELD,
-       RTE_ACL_IPV4VLAN_SRCP_FIELD,
-       RTE_ACL_IPV4VLAN_DSTP_FIELD,
-       RTE_ACL_IPV4VLAN_NUM_FIELDS
-};
-
-/**
- * Macro to define rule size for rte_acl_ipv4vlan_rule.
- */
-#define        RTE_ACL_IPV4VLAN_RULE_SZ        \
-       RTE_ACL_RULE_SZ(RTE_ACL_IPV4VLAN_NUM_FIELDS)
-
-/*
- * That effectively defines order of IPV4VLAN classifications:
- *  - PROTO
- *  - VLAN (TAG and DOMAIN)
- *  - SRC IP ADDRESS
- *  - DST IP ADDRESS
- *  - PORTS (SRC and DST)
- */
-enum {
-       RTE_ACL_IPV4VLAN_PROTO,
-       RTE_ACL_IPV4VLAN_VLAN,
-       RTE_ACL_IPV4VLAN_SRC,
-       RTE_ACL_IPV4VLAN_DST,
-       RTE_ACL_IPV4VLAN_PORTS,
-       RTE_ACL_IPV4VLAN_NUM
-};
-
-/**
- * Add ipv4vlan rules to an existing ACL context.
- * This function is not multi-thread safe.
- *
- * @param ctx
- *   ACL context to add patterns to.
- * @param rules
- *   Array of rules to add to the ACL context.
- *   Note that all fields in rte_acl_ipv4vlan_rule structures are expected
- *   to be in host byte order.
- * @param num
- *   Number of elements in the input array of rules.
- * @return
- *   - -ENOMEM if there is no space in the ACL context for these rules.
- *   - -EINVAL if the parameters are invalid.
- *   - Zero if operation completed successfully.
- */
-int
-rte_acl_ipv4vlan_add_rules(struct rte_acl_ctx *ctx,
-       const struct rte_acl_ipv4vlan_rule *rules,
-       uint32_t num);
-
-/**
- * Analyze set of ipv4vlan rules and build required internal
- * run-time structures.
- * This function is not multi-thread safe.
- *
- * @param ctx
- *   ACL context to build.
- * @param layout
- *   Layout of input data to search through.
- * @param num_categories
- *   Maximum number of categories to use in that build.
- * @return
- *   - -ENOMEM if couldn't allocate enough memory.
- *   - -EINVAL if the parameters are invalid.
- *   - Negative error code if operation failed.
- *   - Zero if operation completed successfully.
- */
-int
-rte_acl_ipv4vlan_build(struct rte_acl_ctx *ctx,
-       const uint32_t layout[RTE_ACL_IPV4VLAN_NUM],
-       uint32_t num_categories);
-
-
 #ifdef __cplusplus
 }
 #endif