-/*-
- * 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
*/
#include <stddef.h>
-#include <stdint.h>
-#include <rte_byteorder.h>
#include <rte_jhash.h>
-#ifdef RTE_MACHINE_CPUFLAG_SSE4_2
#include <rte_hash_crc.h>
-#endif /* RTE_MACHINE_CPUFLAG_SSE4_2 */
-#include "rte_ip_frag.h"
#include "ip_frag_common.h"
#define PRIME_VALUE 0xeaad8405
/* local frag table helper functions */
static inline void
ip_frag_tbl_del(struct rte_ip_frag_tbl *tbl, struct rte_ip_frag_death_row *dr,
- struct rte_ip_frag_pkt *fp)
+ struct ip_frag_pkt *fp)
{
ip_frag_free(fp, dr);
ip_frag_key_invalidate(&fp->key);
}
static inline void
-ip_frag_tbl_add(struct rte_ip_frag_tbl *tbl, struct rte_ip_frag_pkt *fp,
+ip_frag_tbl_add(struct rte_ip_frag_tbl *tbl, struct ip_frag_pkt *fp,
const struct ip_frag_key *key, uint64_t tms)
{
fp->key = key[0];
static inline void
ip_frag_tbl_reuse(struct rte_ip_frag_tbl *tbl, struct rte_ip_frag_death_row *dr,
- struct rte_ip_frag_pkt *fp, uint64_t tms)
+ struct ip_frag_pkt *fp, uint64_t tms)
{
ip_frag_free(fp, dr);
ip_frag_reset(fp, tms);
p = (const uint32_t *)&key->src_dst;
-#ifdef RTE_MACHINE_CPUFLAG_SSE4_2
+#ifdef RTE_ARCH_X86
v = rte_hash_crc_4byte(p[0], PRIME_VALUE);
v = rte_hash_crc_4byte(p[1], v);
v = rte_hash_crc_4byte(key->id, v);
#else
v = rte_jhash_3words(p[0], p[1], key->id, PRIME_VALUE);
-#endif /* RTE_MACHINE_CPUFLAG_SSE4_2 */
+#endif /* RTE_ARCH_X86 */
+
+ *v1 = v;
+ *v2 = (v << 7) + (v >> 14);
+}
+
+static inline void
+ipv6_frag_hash(const struct ip_frag_key *key, uint32_t *v1, uint32_t *v2)
+{
+ uint32_t v;
+ const uint32_t *p;
+
+ p = (const uint32_t *) &key->src_dst;
+
+#ifdef RTE_ARCH_X86
+ v = rte_hash_crc_4byte(p[0], PRIME_VALUE);
+ v = rte_hash_crc_4byte(p[1], v);
+ v = rte_hash_crc_4byte(p[2], v);
+ v = rte_hash_crc_4byte(p[3], v);
+ v = rte_hash_crc_4byte(p[4], v);
+ v = rte_hash_crc_4byte(p[5], v);
+ v = rte_hash_crc_4byte(p[6], v);
+ v = rte_hash_crc_4byte(p[7], v);
+ v = rte_hash_crc_4byte(key->id, v);
+#else
+
+ v = rte_jhash_3words(p[0], p[1], p[2], PRIME_VALUE);
+ v = rte_jhash_3words(p[3], p[4], p[5], v);
+ v = rte_jhash_3words(p[6], p[7], key->id, v);
+#endif /* RTE_ARCH_X86 */
*v1 = v;
*v2 = (v << 7) + (v >> 14);
}
struct rte_mbuf *
-ip_frag_process(struct rte_ip_frag_pkt *fp, struct rte_ip_frag_death_row *dr,
+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)
{
uint32_t idx;
}
/*
- * errorneous packet: either exceeed max allowed number of fragments,
+ * erroneous packet: either exceed max allowed number of fragments,
* or duplicate first/last fragment encountered.
*/
if (idx >= sizeof (fp->frags) / sizeof (fp->frags[0])) {
/* report an error. */
- IP_FRAG_LOG(DEBUG, "%s:%d invalid fragmented packet:\n"
- "ipv4_frag_pkt: %p, key: <%" PRIx64 ", %#x>, "
- "total_size: %u, frag_size: %u, last_idx: %u\n"
- "first fragment: ofs: %u, len: %u\n"
- "last fragment: ofs: %u, len: %u\n\n",
- __func__, __LINE__,
- fp, fp->key.src_dst[0], fp->key.id,
- fp->total_size, fp->frag_size, fp->last_idx,
- fp->frags[IP_FIRST_FRAG_IDX].ofs,
- fp->frags[IP_FIRST_FRAG_IDX].len,
- fp->frags[IP_LAST_FRAG_IDX].ofs,
- fp->frags[IP_LAST_FRAG_IDX].len);
+ if (fp->key.key_len == IPV4_KEYLEN)
+ IP_FRAG_LOG(DEBUG, "%s:%d invalid fragmented packet:\n"
+ "ipv4_frag_pkt: %p, key: <%" PRIx64 ", %#x>, "
+ "total_size: %u, frag_size: %u, last_idx: %u\n"
+ "first fragment: ofs: %u, len: %u\n"
+ "last fragment: ofs: %u, len: %u\n\n",
+ __func__, __LINE__,
+ fp, fp->key.src_dst[0], fp->key.id,
+ fp->total_size, fp->frag_size, fp->last_idx,
+ fp->frags[IP_FIRST_FRAG_IDX].ofs,
+ fp->frags[IP_FIRST_FRAG_IDX].len,
+ fp->frags[IP_LAST_FRAG_IDX].ofs,
+ fp->frags[IP_LAST_FRAG_IDX].len);
+ else
+ IP_FRAG_LOG(DEBUG, "%s:%d invalid fragmented packet:\n"
+ "ipv4_frag_pkt: %p, key: <" IPv6_KEY_BYTES_FMT ", %#x>, "
+ "total_size: %u, frag_size: %u, last_idx: %u\n"
+ "first fragment: ofs: %u, len: %u\n"
+ "last fragment: ofs: %u, len: %u\n\n",
+ __func__, __LINE__,
+ fp, IPv6_KEY_BYTES(fp->key.src_dst), fp->key.id,
+ fp->total_size, fp->frag_size, fp->last_idx,
+ fp->frags[IP_FIRST_FRAG_IDX].ofs,
+ fp->frags[IP_FIRST_FRAG_IDX].len,
+ fp->frags[IP_LAST_FRAG_IDX].ofs,
+ fp->frags[IP_LAST_FRAG_IDX].len);
/* free all fragments, invalidate the entry. */
ip_frag_free(fp, dr);
ip_frag_key_invalidate(&fp->key);
IP_FRAG_MBUF2DR(dr, mb);
- return (NULL);
+ return NULL;
}
fp->frags[idx].ofs = ofs;
/* not all fragments are collected yet. */
if (likely (fp->frag_size < fp->total_size)) {
- return (mb);
+ return mb;
/* if we collected all fragments, then try to reassemble. */
} else if (fp->frag_size == fp->total_size &&
- fp->frags[IP_FIRST_FRAG_IDX].mb != NULL)
- mb = ipv4_frag_reassemble(fp);
+ fp->frags[IP_FIRST_FRAG_IDX].mb != NULL) {
+ if (fp->key.key_len == IPV4_KEYLEN)
+ mb = ipv4_frag_reassemble(fp);
+ else
+ mb = ipv6_frag_reassemble(fp);
+ }
/* errorenous set of fragments. */
if (mb == NULL) {
/* report an error. */
- IP_FRAG_LOG(DEBUG, "%s:%d invalid fragmented packet:\n"
- "ipv4_frag_pkt: %p, key: <%" PRIx64 ", %#x>, "
- "total_size: %u, frag_size: %u, last_idx: %u\n"
- "first fragment: ofs: %u, len: %u\n"
- "last fragment: ofs: %u, len: %u\n\n",
- __func__, __LINE__,
- fp, fp->key.src_dst[0], fp->key.id,
- fp->total_size, fp->frag_size, fp->last_idx,
- fp->frags[IP_FIRST_FRAG_IDX].ofs,
- fp->frags[IP_FIRST_FRAG_IDX].len,
- fp->frags[IP_LAST_FRAG_IDX].ofs,
- fp->frags[IP_LAST_FRAG_IDX].len);
+ if (fp->key.key_len == IPV4_KEYLEN)
+ IP_FRAG_LOG(DEBUG, "%s:%d invalid fragmented packet:\n"
+ "ipv4_frag_pkt: %p, key: <%" PRIx64 ", %#x>, "
+ "total_size: %u, frag_size: %u, last_idx: %u\n"
+ "first fragment: ofs: %u, len: %u\n"
+ "last fragment: ofs: %u, len: %u\n\n",
+ __func__, __LINE__,
+ fp, fp->key.src_dst[0], fp->key.id,
+ fp->total_size, fp->frag_size, fp->last_idx,
+ fp->frags[IP_FIRST_FRAG_IDX].ofs,
+ fp->frags[IP_FIRST_FRAG_IDX].len,
+ fp->frags[IP_LAST_FRAG_IDX].ofs,
+ fp->frags[IP_LAST_FRAG_IDX].len);
+ else
+ IP_FRAG_LOG(DEBUG, "%s:%d invalid fragmented packet:\n"
+ "ipv4_frag_pkt: %p, key: <" IPv6_KEY_BYTES_FMT ", %#x>, "
+ "total_size: %u, frag_size: %u, last_idx: %u\n"
+ "first fragment: ofs: %u, len: %u\n"
+ "last fragment: ofs: %u, len: %u\n\n",
+ __func__, __LINE__,
+ fp, IPv6_KEY_BYTES(fp->key.src_dst), fp->key.id,
+ fp->total_size, fp->frag_size, fp->last_idx,
+ fp->frags[IP_FIRST_FRAG_IDX].ofs,
+ fp->frags[IP_FIRST_FRAG_IDX].len,
+ fp->frags[IP_LAST_FRAG_IDX].ofs,
+ fp->frags[IP_LAST_FRAG_IDX].len);
/* free associated resources. */
ip_frag_free(fp, dr);
/* we are done with that entry, invalidate it. */
ip_frag_key_invalidate(&fp->key);
- return (mb);
+ return mb;
}
* If such entry is not present, then allocate a new one.
* If the entry is stale, then free and reuse it.
*/
-struct rte_ip_frag_pkt *
+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 rte_ip_frag_pkt *pkt, *free, *stale, *lru;
+ struct ip_frag_pkt *pkt, *free, *stale, *lru;
uint64_t max_cycles;
/*
IP_FRAG_TBL_STAT_UPDATE(&tbl->stat, fail_total, (pkt == NULL));
tbl->last = pkt;
- return (pkt);
+ return pkt;
}
-struct rte_ip_frag_pkt *
+struct ip_frag_pkt *
ip_frag_lookup(struct rte_ip_frag_tbl *tbl,
const struct ip_frag_key *key, uint64_t tms,
- struct rte_ip_frag_pkt **free, struct rte_ip_frag_pkt **stale)
+ struct ip_frag_pkt **free, struct ip_frag_pkt **stale)
{
- struct rte_ip_frag_pkt *p1, *p2;
- struct rte_ip_frag_pkt *empty, *old;
+ struct ip_frag_pkt *p1, *p2;
+ struct ip_frag_pkt *empty, *old;
uint64_t max_cycles;
uint32_t i, assoc, sig1, sig2;
max_cycles = tbl->max_cycles;
assoc = tbl->bucket_entries;
- if (tbl->last != NULL && ip_frag_key_cmp(&tbl->last->key, key) == 0)
- return (tbl->last);
+ if (tbl->last != NULL && ip_frag_key_cmp(key, &tbl->last->key) == 0)
+ return tbl->last;
- ipv4_frag_hash(key, &sig1, &sig2);
+ /* different hashing methods for IPv4 and IPv6 */
+ if (key->key_len == IPV4_KEYLEN)
+ ipv4_frag_hash(key, &sig1, &sig2);
+ else
+ ipv6_frag_hash(key, &sig1, &sig2);
p1 = IP_FRAG_TBL_POS(tbl, sig1);
p2 = IP_FRAG_TBL_POS(tbl, sig2);
for (i = 0; i != assoc; i++) {
-
- IP_FRAG_LOG(DEBUG, "%s:%d:\n"
- "tbl: %p, max_entries: %u, use_entries: %u\n"
- "ipv6_frag_pkt line0: %p, index: %u from %u\n"
- "key: <%" PRIx64 ", %#x>, start: %" PRIu64 "\n",
- __func__, __LINE__,
- tbl, tbl->max_entries, tbl->use_entries,
- p1, i, assoc,
- p1[i].key.src_dst[0], p1[i].key.id, p1[i].start);
-
- if (ip_frag_key_cmp(&p1[i].key, key) == 0)
- return (p1 + i);
+ if (p1->key.key_len == IPV4_KEYLEN)
+ IP_FRAG_LOG(DEBUG, "%s:%d:\n"
+ "tbl: %p, max_entries: %u, use_entries: %u\n"
+ "ipv6_frag_pkt line0: %p, index: %u from %u\n"
+ "key: <%" PRIx64 ", %#x>, start: %" PRIu64 "\n",
+ __func__, __LINE__,
+ tbl, tbl->max_entries, tbl->use_entries,
+ p1, i, assoc,
+ p1[i].key.src_dst[0], p1[i].key.id, p1[i].start);
+ else
+ IP_FRAG_LOG(DEBUG, "%s:%d:\n"
+ "tbl: %p, max_entries: %u, use_entries: %u\n"
+ "ipv6_frag_pkt line0: %p, index: %u from %u\n"
+ "key: <" IPv6_KEY_BYTES_FMT ", %#x>, start: %" PRIu64 "\n",
+ __func__, __LINE__,
+ tbl, tbl->max_entries, tbl->use_entries,
+ p1, i, assoc,
+ IPv6_KEY_BYTES(p1[i].key.src_dst), p1[i].key.id, p1[i].start);
+
+ if (ip_frag_key_cmp(key, &p1[i].key) == 0)
+ return p1 + i;
else if (ip_frag_key_is_empty(&p1[i].key))
empty = (empty == NULL) ? (p1 + i) : empty;
else if (max_cycles + p1[i].start < tms)
old = (old == NULL) ? (p1 + i) : old;
- IP_FRAG_LOG(DEBUG, "%s:%d:\n"
- "tbl: %p, max_entries: %u, use_entries: %u\n"
- "ipv6_frag_pkt line1: %p, index: %u from %u\n"
- "key: <%" PRIx64 ", %#x>, start: %" PRIu64 "\n",
- __func__, __LINE__,
- tbl, tbl->max_entries, tbl->use_entries,
- p2, i, assoc,
- p2[i].key.src_dst[0], p2[i].key.id, p2[i].start);
-
- if (ip_frag_key_cmp(&p2[i].key, key) == 0)
- return (p2 + i);
+ if (p2->key.key_len == IPV4_KEYLEN)
+ IP_FRAG_LOG(DEBUG, "%s:%d:\n"
+ "tbl: %p, max_entries: %u, use_entries: %u\n"
+ "ipv6_frag_pkt line1: %p, index: %u from %u\n"
+ "key: <%" PRIx64 ", %#x>, start: %" PRIu64 "\n",
+ __func__, __LINE__,
+ tbl, tbl->max_entries, tbl->use_entries,
+ p2, i, assoc,
+ p2[i].key.src_dst[0], p2[i].key.id, p2[i].start);
+ else
+ IP_FRAG_LOG(DEBUG, "%s:%d:\n"
+ "tbl: %p, max_entries: %u, use_entries: %u\n"
+ "ipv6_frag_pkt line1: %p, index: %u from %u\n"
+ "key: <" IPv6_KEY_BYTES_FMT ", %#x>, start: %" PRIu64 "\n",
+ __func__, __LINE__,
+ tbl, tbl->max_entries, tbl->use_entries,
+ p2, i, assoc,
+ IPv6_KEY_BYTES(p2[i].key.src_dst), p2[i].key.id, p2[i].start);
+
+ if (ip_frag_key_cmp(key, &p2[i].key) == 0)
+ return p2 + i;
else if (ip_frag_key_is_empty(&p2[i].key))
empty = (empty == NULL) ?( p2 + i) : empty;
else if (max_cycles + p2[i].start < tms)
*free = empty;
*stale = old;
- return (NULL);
+ return NULL;
}
git.droids-corp.org / dpdk.git / blobdiff