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dpdk_lpm.c
(10.32 KB)
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dpdk_lpm6.c
(12.01 KB)
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dpdk_lpm6.h
(2.08 KB)
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rte_branch_prediction.h
(846 B)
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rte_common.h
(20.46 KB)
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rte_debug.h
(1.98 KB)
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rte_jhash.h
(9.12 KB)
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rte_log.h
(11.48 KB)
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rte_lpm.c
(27.24 KB)
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rte_lpm.h
(11.08 KB)
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rte_lpm6.c
(34.1 KB)
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rte_lpm6.h
(5.44 KB)
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rte_shim.h
(998 B)
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rte_tailq.h
(3.77 KB)
Editing: rte_lpm6.h
/* SPDX-License-Identifier: BSD-3-Clause * Copyright(c) 2010-2014 Intel Corporation */ #ifndef _RTE_LPM6_H_ #define _RTE_LPM6_H_ /** * @file * RTE Longest Prefix Match for IPv6 (LPM6) */ #ifdef __cplusplus extern "C" { #endif #define RTE_LPM6_MAX_DEPTH 128 #define RTE_LPM6_IPV6_ADDR_SIZE 16 /** Max number of characters in LPM name. */ #define RTE_LPM6_NAMESIZE 32 /** LPM structure. */ struct rte_lpm6; struct nhop_object; struct rte_lpm6_external { struct nhop_object **nh_idx; /**< # -> idx mappings */ uint32_t default_idx; /* nhop index of default route */ uint32_t fibnum; /* fib index */ }; /** LPM configuration structure. */ struct rte_lpm6_config { uint32_t max_rules; /**< Max number of rules. */ uint32_t number_tbl8s; /**< Number of tbl8s to allocate. */ int flags; /**< This field is currently unused. */ }; #define RTE_LPM6_RULE_SIZE 32 struct rte_lpm6_rule *fill_rule6(char *buffer, const uint8_t *ip, uint8_t depth, uint32_t next_hop); /** * Create an LPM object. * * @param name * LPM object name * @param socket_id * NUMA socket ID for LPM table memory allocation * @param config * Structure containing the configuration * @return * Handle to LPM object on success, NULL otherwise with rte_errno set * to an appropriate values. Possible rte_errno values include: * - E_RTE_NO_CONFIG - function could not get pointer to rte_config structure * - E_RTE_SECONDARY - function was called from a secondary process instance * - EINVAL - invalid parameter passed to function * - ENOSPC - the maximum number of memzones has already been allocated * - EEXIST - a memzone with the same name already exists * - ENOMEM - no appropriate memory area found in which to create memzone */ struct rte_lpm6 * rte_lpm6_create(const char *name, int socket_id, const struct rte_lpm6_config *config); /** * Find an existing LPM object and return a pointer to it. * * @param name * Name of the lpm object as passed to rte_lpm6_create() * @return * Pointer to lpm object or NULL if object not found with rte_errno * set appropriately. Possible rte_errno values include: * - ENOENT - required entry not available to return. */ struct rte_lpm6 * rte_lpm6_find_existing(const char *name); /** * Free an LPM object. * * @param lpm * LPM object handle * @return * None */ void rte_lpm6_free(struct rte_lpm6 *lpm); /** * Add a rule to the LPM table. * * @param lpm * LPM object handle * @param ip * IP of the rule to be added to the LPM table * @param depth * Depth of the rule to be added to the LPM table * @param next_hop * Next hop of the rule to be added to the LPM table * @return * 0 on success, negative value otherwise */ int rte_lpm6_add(struct rte_lpm6 *lpm, const uint8_t *ip, uint8_t depth, uint32_t next_hop, int is_new_rule); /** * Check if a rule is present in the LPM table, * and provide its next hop if it is. * * @param lpm * LPM object handle * @param ip * IP of the rule to be searched * @param depth * Depth of the rule to searched * @param next_hop * Next hop of the rule (valid only if it is found) * @return * 1 if the rule exists, 0 if it does not, a negative value on failure */ int rte_lpm6_is_rule_present(struct rte_lpm6 *lpm, const uint8_t *ip, uint8_t depth, uint32_t *next_hop); /** * Delete a rule from the LPM table. * * @param lpm * LPM object handle * @param ip * IP of the rule to be deleted from the LPM table * @param depth * Depth of the rule to be deleted from the LPM table * @return * 0 on success, negative value otherwise */ int rte_lpm6_delete(struct rte_lpm6 *lpm, const uint8_t *ip, uint8_t depth, struct rte_lpm6_rule *lsp_rule); /** * Delete a rule from the LPM table. * * @param lpm * LPM object handle * @param ips * Array of IPs to be deleted from the LPM table * @param depths * Array of depths of the rules to be deleted from the LPM table * @param n * Number of rules to be deleted from the LPM table * @return * 0 on success, negative value otherwise. */ int rte_lpm6_delete_bulk_func(struct rte_lpm6 *lpm, uint8_t ips[][RTE_LPM6_IPV6_ADDR_SIZE], uint8_t *depths, unsigned n); /** * Delete all rules from the LPM table. * * @param lpm * LPM object handle */ void rte_lpm6_delete_all(struct rte_lpm6 *lpm); /** * Lookup an IP into the LPM table. * * @param lpm * LPM object handle * @param ip * IP to be looked up in the LPM table * @param next_hop * Next hop of the most specific rule found for IP (valid on lookup hit only) * @return * -EINVAL for incorrect arguments, -ENOENT on lookup miss, 0 on lookup hit */ int rte_lpm6_lookup(const struct rte_lpm6 *lpm, const uint8_t *ip, uint32_t *next_hop); /** * Lookup multiple IP addresses in an LPM table. * * @param lpm * LPM object handle * @param ips * Array of IPs to be looked up in the LPM table * @param next_hops * Next hop of the most specific rule found for IP (valid on lookup hit only). * This is an array of two byte values. The next hop will be stored on * each position on success; otherwise the position will be set to -1. * @param n * Number of elements in ips (and next_hops) array to lookup. * @return * -EINVAL for incorrect arguments, otherwise 0 */ int rte_lpm6_lookup_bulk_func(const struct rte_lpm6 *lpm, uint8_t ips[][RTE_LPM6_IPV6_ADDR_SIZE], int32_t *next_hops, unsigned int n); #ifdef __cplusplus } #endif #endif
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