diff options
Diffstat (limited to 'src/dpdk_lib18/librte_ip_frag/ip_frag_common.h')
| -rwxr-xr-x | src/dpdk_lib18/librte_ip_frag/ip_frag_common.h | 192 |
1 files changed, 0 insertions, 192 deletions
diff --git a/src/dpdk_lib18/librte_ip_frag/ip_frag_common.h b/src/dpdk_lib18/librte_ip_frag/ip_frag_common.h deleted file mode 100755 index 210f409d..00000000 --- a/src/dpdk_lib18/librte_ip_frag/ip_frag_common.h +++ /dev/null @@ -1,192 +0,0 @@ -/*- - * 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. - */ - -#ifndef _IP_FRAG_COMMON_H_ -#define _IP_FRAG_COMMON_H_ - -#include "rte_ip_frag.h" - -/* logging macros. */ -#ifdef RTE_LIBRTE_IP_FRAG_DEBUG - -#define IP_FRAG_LOG(lvl, fmt, args...) RTE_LOG(lvl, USER1, fmt, ##args) - -#define IP_FRAG_ASSERT(exp) \ -if (!(exp)) { \ - rte_panic("function %s, line%d\tassert \"" #exp "\" failed\n", \ - __func__, __LINE__); \ -} -#else -#define IP_FRAG_LOG(lvl, fmt, args...) do {} while(0) -#define IP_FRAG_ASSERT(exp) do {} while (0) -#endif /* IP_FRAG_DEBUG */ - -#define IPV4_KEYLEN 1 -#define IPV6_KEYLEN 4 - -/* helper macros */ -#define IP_FRAG_MBUF2DR(dr, mb) ((dr)->row[(dr)->cnt++] = (mb)) - -#define IPv6_KEY_BYTES(key) \ - (key)[0], (key)[1], (key)[2], (key)[3] -#define IPv6_KEY_BYTES_FMT \ - "%08" PRIx64 "%08" PRIx64 "%08" PRIx64 "%08" PRIx64 - -/* internal functions declarations */ -struct rte_mbuf * ip_frag_process(struct ip_frag_pkt *fp, - struct rte_ip_frag_death_row *dr, struct rte_mbuf *mb, - uint16_t ofs, uint16_t len, uint16_t more_frags); - -struct ip_frag_pkt * ip_frag_find(struct rte_ip_frag_tbl *tbl, - struct rte_ip_frag_death_row *dr, - const struct ip_frag_key *key, uint64_t tms); - -struct ip_frag_pkt * ip_frag_lookup(struct rte_ip_frag_tbl *tbl, - const struct ip_frag_key *key, uint64_t tms, - struct ip_frag_pkt **free, struct ip_frag_pkt **stale); - -/* these functions need to be declared here as ip_frag_process relies on them */ -struct rte_mbuf * ipv4_frag_reassemble(const struct ip_frag_pkt *fp); -struct rte_mbuf * ipv6_frag_reassemble(const struct ip_frag_pkt *fp); - - - -/* - * misc frag key functions - */ - -/* check if key is empty */ -static inline int -ip_frag_key_is_empty(const struct ip_frag_key * key) -{ - uint32_t i; - for (i = 0; i < key->key_len; i++) - if (key->src_dst[i] != 0) - return 0; - return 1; -} - -/* empty the key */ -static inline void -ip_frag_key_invalidate(struct ip_frag_key * key) -{ - uint32_t i; - for (i = 0; i < key->key_len; i++) - key->src_dst[i] = 0; -} - -/* compare two keys */ -static inline int -ip_frag_key_cmp(const struct ip_frag_key * k1, const struct ip_frag_key * k2) -{ - uint32_t i, val; - val = k1->id ^ k2->id; - for (i = 0; i < k1->key_len; i++) - val |= k1->src_dst[i] ^ k2->src_dst[i]; - return val; -} - -/* - * misc fragment functions - */ - -/* put fragment on death row */ -static inline void -ip_frag_free(struct ip_frag_pkt *fp, struct rte_ip_frag_death_row *dr) -{ - uint32_t i, k; - - k = dr->cnt; - for (i = 0; i != fp->last_idx; i++) { - if (fp->frags[i].mb != NULL) { - dr->row[k++] = fp->frags[i].mb; - fp->frags[i].mb = NULL; - } - } - - fp->last_idx = 0; - dr->cnt = k; -} - -/* if key is empty, mark key as in use */ -static inline void -ip_frag_inuse(struct rte_ip_frag_tbl *tbl, const struct ip_frag_pkt *fp) -{ - if (ip_frag_key_is_empty(&fp->key)) { - TAILQ_REMOVE(&tbl->lru, fp, lru); - tbl->use_entries--; - } -} - -/* reset the fragment */ -static inline void -ip_frag_reset(struct ip_frag_pkt *fp, uint64_t tms) -{ - static const struct ip_frag zero_frag = { - .ofs = 0, - .len = 0, - .mb = NULL, - }; - - fp->start = tms; - fp->total_size = UINT32_MAX; - fp->frag_size = 0; - fp->last_idx = IP_MIN_FRAG_NUM; - fp->frags[IP_LAST_FRAG_IDX] = zero_frag; - fp->frags[IP_FIRST_FRAG_IDX] = zero_frag; -} - -/* chain two mbufs */ -static inline void -ip_frag_chain(struct rte_mbuf *mn, struct rte_mbuf *mp) -{ - struct rte_mbuf *ms; - - /* adjust start of the last fragment data. */ - rte_pktmbuf_adj(mp, (uint16_t)(mp->l2_len + mp->l3_len)); - - /* chain two fragments. */ - ms = rte_pktmbuf_lastseg(mn); - ms->next = mp; - - /* accumulate number of segments and total length. */ - mn->nb_segs = (uint8_t)(mn->nb_segs + mp->nb_segs); - mn->pkt_len += mp->pkt_len; - - /* reset pkt_len and nb_segs for chained fragment. */ - mp->pkt_len = mp->data_len; - mp->nb_segs = 1; -} - - -#endif /* _IP_FRAG_COMMON_H_ */ |