X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=lib%2Flibrte_ip_frag%2Frte_ip_frag.h;h=7f425f6100e92b14a252c853832583c9ae3689cd;hb=3f373e1a0a5c9f581d16bd8abea51b7dde4cdae5;hp=4794587efec714beebdf798b2b387bff25cf73ab;hpb=98a7ea332ba3da0f74ec951595d36a616165b255;p=dpdk.git diff --git a/lib/librte_ip_frag/rte_ip_frag.h b/lib/librte_ip_frag/rte_ip_frag.h index 4794587efe..7f425f6100 100644 --- a/lib/librte_ip_frag/rte_ip_frag.h +++ b/lib/librte_ip_frag/rte_ip_frag.h @@ -1,34 +1,5 @@ -/*- - * BSD LICENSE - * - * Copyright(c) 2010-2014 Intel Corporation. All rights reserved. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * * Neither the name of Intel Corporation nor the names of its - * contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2010-2014 Intel Corporation */ #ifndef _RTE_IP_FRAG_H_ @@ -48,6 +19,7 @@ extern "C" { #include #include +#include #include #include #include @@ -70,7 +42,7 @@ struct ip_frag { struct rte_mbuf *mb; /**< fragment mbuf */ }; -/** @internal to uniquely indetify fragmented datagram. */ +/** @internal to uniquely identify fragmented datagram. */ struct ip_frag_key { uint64_t src_dst[4]; /**< src address, first 8 bytes used for IPv4 */ uint32_t id; /**< dst address */ @@ -93,10 +65,13 @@ struct ip_frag_pkt { #define IP_FRAG_DEATH_ROW_LEN 32 /**< death row size (in packets) */ +/* death row size in mbufs */ +#define IP_FRAG_DEATH_ROW_MBUF_LEN (IP_FRAG_DEATH_ROW_LEN * (IP_MAX_FRAG_NUM + 1)) + /** mbuf death row (packets to be freed) */ struct rte_ip_frag_death_row { uint32_t cnt; /**< number of mbufs currently on death row */ - struct rte_mbuf *row[IP_FRAG_DEATH_ROW_LEN * (IP_MAX_FRAG_NUM + 1)]; + struct rte_mbuf *row[IP_FRAG_DEATH_ROW_MBUF_LEN]; /**< mbufs to be freed */ }; @@ -118,7 +93,7 @@ struct rte_ip_frag_tbl { uint32_t entry_mask; /**< hash value mask. */ uint32_t max_entries; /**< max entries allowed. */ uint32_t use_entries; /**< entries in use. */ - uint32_t bucket_entries; /**< hash assocaitivity. */ + uint32_t bucket_entries; /**< hash associativity. */ uint32_t nb_entries; /**< total size of the table. */ uint32_t nb_buckets; /**< num of associativity lines. */ struct ip_frag_pkt *last; /**< last used entry. */ @@ -180,11 +155,8 @@ struct rte_ip_frag_tbl * rte_ip_frag_table_create(uint32_t bucket_num, * @param tbl * Fragmentation table to free. */ -static inline void -rte_ip_frag_table_destroy(struct rte_ip_frag_tbl *tbl) -{ - rte_free(tbl); -} +void +rte_ip_frag_table_destroy(struct rte_ip_frag_tbl *tbl); /** * This function implements the fragmentation of IPv6 packets. @@ -306,7 +278,7 @@ int32_t rte_ipv4_fragment_packet(struct rte_mbuf *pkt_in, * @param ip_hdr * Pointer to the IPV4 header inside the fragment. * @return - * Pointer to mbuf for reassebled packet, or NULL if: + * Pointer to mbuf for reassembled packet, or NULL if: * - an error occurred. * - not all fragments of the packet are collected yet. */ @@ -356,6 +328,20 @@ void rte_ip_frag_free_death_row(struct rte_ip_frag_death_row *dr, void rte_ip_frag_table_statistics_dump(FILE * f, const struct rte_ip_frag_tbl *tbl); +/** + * Delete expired fragments + * + * @param tbl + * Table to delete expired fragments from + * @param dr + * Death row to free buffers to + * @param tms + * Current timestamp + */ +void __rte_experimental +rte_frag_table_del_expired_entries(struct rte_ip_frag_tbl *tbl, + struct rte_ip_frag_death_row *dr, uint64_t tms); + #ifdef __cplusplus } #endif