X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=lib%2Flibrte_distributor%2Frte_distributor.c;h=2cc32ddba2c58e0bc82214b17a3065e2ff06f9da;hb=201e7482674551aeee27d0ff28e7bbd3fbfbbcf2;hp=6158fa688e27564b73db72d21061088e11f66159;hpb=6690f105dc2ecc0b97d42721408a8850e51c0393;p=dpdk.git diff --git a/lib/librte_distributor/rte_distributor.c b/lib/librte_distributor/rte_distributor.c index 6158fa688e..2cc32ddba2 100644 --- a/lib/librte_distributor/rte_distributor.c +++ b/lib/librte_distributor/rte_distributor.c @@ -1,33 +1,5 @@ -/*- - * BSD LICENSE - * - * Copyright(c) 2017 Intel Corporation. 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) 2017 Intel Corporation */ #include @@ -36,16 +8,20 @@ #include #include #include +#include #include #include #include #include -#include -#include "rte_distributor_private.h" -#include "rte_distributor_next.h" +#include +#include + +#include "rte_distributor.h" #include "rte_distributor_v20.h" +#include "rte_distributor_v1705.h" +#include "distributor_private.h" -TAILQ_HEAD(rte_dist_burst_list, rte_distributor_v1705); +TAILQ_HEAD(rte_dist_burst_list, rte_distributor); static struct rte_tailq_elem rte_dist_burst_tailq = { .name = "RTE_DIST_BURST", @@ -56,25 +32,28 @@ EAL_REGISTER_TAILQ(rte_dist_burst_tailq) /**** Burst Packet APIs called by workers ****/ -void -rte_distributor_request_pkt_v1705(struct rte_distributor_v1705 *d, +void __vsym +rte_distributor_request_pkt_v1705(struct rte_distributor *d, unsigned int worker_id, struct rte_mbuf **oldpkt, unsigned int count) { - struct rte_distributor_buffer_v1705 *buf = &(d->bufs[worker_id]); + struct rte_distributor_buffer *buf = &(d->bufs[worker_id]); unsigned int i; volatile int64_t *retptr64; if (unlikely(d->alg_type == RTE_DIST_ALG_SINGLE)) { - rte_distributor_request_pkt(d->d_v20, + rte_distributor_request_pkt_v20(d->d_v20, worker_id, oldpkt[0]); return; } retptr64 = &(buf->retptr64[0]); - /* Spin while handshake bits are set (scheduler clears it) */ - while (unlikely(*retptr64 & RTE_DISTRIB_GET_BUF)) { + /* Spin while handshake bits are set (scheduler clears it). + * Sync with worker on GET_BUF flag. + */ + while (unlikely(__atomic_load_n(retptr64, __ATOMIC_ACQUIRE) + & RTE_DISTRIB_GET_BUF)) { rte_pause(); uint64_t t = rte_rdtsc()+100; @@ -99,26 +78,36 @@ rte_distributor_request_pkt_v1705(struct rte_distributor_v1705 *d, /* * Finally, set the GET_BUF to signal to distributor that cache * line is ready for processing + * Sync with distributor to release retptrs */ - *retptr64 |= RTE_DISTRIB_GET_BUF; + __atomic_store_n(retptr64, *retptr64 | RTE_DISTRIB_GET_BUF, + __ATOMIC_RELEASE); } +BIND_DEFAULT_SYMBOL(rte_distributor_request_pkt, _v1705, 17.05); +MAP_STATIC_SYMBOL(void rte_distributor_request_pkt(struct rte_distributor *d, + unsigned int worker_id, struct rte_mbuf **oldpkt, + unsigned int count), + rte_distributor_request_pkt_v1705); -int -rte_distributor_poll_pkt_v1705(struct rte_distributor_v1705 *d, +int __vsym +rte_distributor_poll_pkt_v1705(struct rte_distributor *d, unsigned int worker_id, struct rte_mbuf **pkts) { - struct rte_distributor_buffer_v1705 *buf = &d->bufs[worker_id]; + struct rte_distributor_buffer *buf = &d->bufs[worker_id]; uint64_t ret; int count = 0; unsigned int i; if (unlikely(d->alg_type == RTE_DIST_ALG_SINGLE)) { - pkts[0] = rte_distributor_poll_pkt(d->d_v20, worker_id); + pkts[0] = rte_distributor_poll_pkt_v20(d->d_v20, worker_id); return (pkts[0]) ? 1 : 0; } - /* If bit is set, return */ - if (buf->bufptr64[0] & RTE_DISTRIB_GET_BUF) + /* If bit is set, return + * Sync with distributor to acquire bufptrs + */ + if (__atomic_load_n(&(buf->bufptr64[0]), __ATOMIC_ACQUIRE) + & RTE_DISTRIB_GET_BUF) return -1; /* since bufptr64 is signed, this should be an arithmetic shift */ @@ -133,14 +122,20 @@ rte_distributor_poll_pkt_v1705(struct rte_distributor_v1705 *d, * so now we've got the contents of the cacheline into an array of * mbuf pointers, so toggle the bit so scheduler can start working * on the next cacheline while we're working. + * Sync with distributor on GET_BUF flag. Release bufptrs. */ - buf->bufptr64[0] |= RTE_DISTRIB_GET_BUF; + __atomic_store_n(&(buf->bufptr64[0]), + buf->bufptr64[0] | RTE_DISTRIB_GET_BUF, __ATOMIC_RELEASE); return count; } +BIND_DEFAULT_SYMBOL(rte_distributor_poll_pkt, _v1705, 17.05); +MAP_STATIC_SYMBOL(int rte_distributor_poll_pkt(struct rte_distributor *d, + unsigned int worker_id, struct rte_mbuf **pkts), + rte_distributor_poll_pkt_v1705); -int -rte_distributor_get_pkt_v1705(struct rte_distributor_v1705 *d, +int __vsym +rte_distributor_get_pkt_v1705(struct rte_distributor *d, unsigned int worker_id, struct rte_mbuf **pkts, struct rte_mbuf **oldpkt, unsigned int return_count) { @@ -148,42 +143,49 @@ rte_distributor_get_pkt_v1705(struct rte_distributor_v1705 *d, if (unlikely(d->alg_type == RTE_DIST_ALG_SINGLE)) { if (return_count <= 1) { - pkts[0] = rte_distributor_get_pkt(d->d_v20, + pkts[0] = rte_distributor_get_pkt_v20(d->d_v20, worker_id, oldpkt[0]); return (pkts[0]) ? 1 : 0; } else return -EINVAL; } - rte_distributor_request_pkt_v1705(d, worker_id, oldpkt, return_count); + rte_distributor_request_pkt(d, worker_id, oldpkt, return_count); - count = rte_distributor_poll_pkt_v1705(d, worker_id, pkts); + count = rte_distributor_poll_pkt(d, worker_id, pkts); while (count == -1) { uint64_t t = rte_rdtsc() + 100; while (rte_rdtsc() < t) rte_pause(); - count = rte_distributor_poll_pkt_v1705(d, worker_id, pkts); + count = rte_distributor_poll_pkt(d, worker_id, pkts); } return count; } +BIND_DEFAULT_SYMBOL(rte_distributor_get_pkt, _v1705, 17.05); +MAP_STATIC_SYMBOL(int rte_distributor_get_pkt(struct rte_distributor *d, + unsigned int worker_id, struct rte_mbuf **pkts, + struct rte_mbuf **oldpkt, unsigned int return_count), + rte_distributor_get_pkt_v1705); -int -rte_distributor_return_pkt_v1705(struct rte_distributor_v1705 *d, +int __vsym +rte_distributor_return_pkt_v1705(struct rte_distributor *d, unsigned int worker_id, struct rte_mbuf **oldpkt, int num) { - struct rte_distributor_buffer_v1705 *buf = &d->bufs[worker_id]; + struct rte_distributor_buffer *buf = &d->bufs[worker_id]; unsigned int i; if (unlikely(d->alg_type == RTE_DIST_ALG_SINGLE)) { if (num == 1) - return rte_distributor_return_pkt(d->d_v20, + return rte_distributor_return_pkt_v20(d->d_v20, worker_id, oldpkt[0]); else return -EINVAL; } + /* Sync with distributor to acquire retptrs */ + __atomic_thread_fence(__ATOMIC_ACQUIRE); for (i = 0; i < RTE_DIST_BURST_SIZE; i++) /* Switch off the return bit first */ buf->retptr64[i] &= ~RTE_DISTRIB_RETURN_BUF; @@ -192,17 +194,24 @@ rte_distributor_return_pkt_v1705(struct rte_distributor_v1705 *d, buf->retptr64[i] = (((int64_t)(uintptr_t)oldpkt[i]) << RTE_DISTRIB_FLAG_BITS) | RTE_DISTRIB_RETURN_BUF; - /* set the GET_BUF but even if we got no returns */ - buf->retptr64[0] |= RTE_DISTRIB_GET_BUF; + /* set the GET_BUF but even if we got no returns. + * Sync with distributor on GET_BUF flag. Release retptrs. + */ + __atomic_store_n(&(buf->retptr64[0]), + buf->retptr64[0] | RTE_DISTRIB_GET_BUF, __ATOMIC_RELEASE); return 0; } +BIND_DEFAULT_SYMBOL(rte_distributor_return_pkt, _v1705, 17.05); +MAP_STATIC_SYMBOL(int rte_distributor_return_pkt(struct rte_distributor *d, + unsigned int worker_id, struct rte_mbuf **oldpkt, int num), + rte_distributor_return_pkt_v1705); /**** APIs called on distributor core ***/ /* stores a packet returned from a worker inside the returns array */ static inline void -store_return(uintptr_t oldbuf, struct rte_distributor_v1705 *d, +store_return(uintptr_t oldbuf, struct rte_distributor *d, unsigned int *ret_start, unsigned int *ret_count) { if (!oldbuf) @@ -221,7 +230,7 @@ store_return(uintptr_t oldbuf, struct rte_distributor_v1705 *d, * workers to give us our atomic flow pinning. */ void -find_match_scalar(struct rte_distributor_v1705 *d, +find_match_scalar(struct rte_distributor *d, uint16_t *data_ptr, uint16_t *output_ptr) { @@ -270,16 +279,18 @@ find_match_scalar(struct rte_distributor_v1705 *d, * the valid returned pointers (store_return). */ static unsigned int -handle_returns(struct rte_distributor_v1705 *d, unsigned int wkr) +handle_returns(struct rte_distributor *d, unsigned int wkr) { - struct rte_distributor_buffer_v1705 *buf = &(d->bufs[wkr]); + struct rte_distributor_buffer *buf = &(d->bufs[wkr]); uintptr_t oldbuf; unsigned int ret_start = d->returns.start, ret_count = d->returns.count; unsigned int count = 0; unsigned int i; - if (buf->retptr64[0] & RTE_DISTRIB_GET_BUF) { + /* Sync on GET_BUF flag. Acquire retptrs. */ + if (__atomic_load_n(&(buf->retptr64[0]), __ATOMIC_ACQUIRE) + & RTE_DISTRIB_GET_BUF) { for (i = 0; i < RTE_DIST_BURST_SIZE; i++) { if (buf->retptr64[i] & RTE_DISTRIB_RETURN_BUF) { oldbuf = ((uintptr_t)(buf->retptr64[i] >> @@ -292,8 +303,10 @@ handle_returns(struct rte_distributor_v1705 *d, unsigned int wkr) } d->returns.start = ret_start; d->returns.count = ret_count; - /* Clear for the worker to populate with more returns */ - buf->retptr64[0] = 0; + /* Clear for the worker to populate with more returns. + * Sync with distributor on GET_BUF flag. Release retptrs. + */ + __atomic_store_n(&(buf->retptr64[0]), 0, __ATOMIC_RELEASE); } return count; } @@ -308,12 +321,14 @@ handle_returns(struct rte_distributor_v1705 *d, unsigned int wkr) * before sending out new packets. */ static unsigned int -release(struct rte_distributor_v1705 *d, unsigned int wkr) +release(struct rte_distributor *d, unsigned int wkr) { - struct rte_distributor_buffer_v1705 *buf = &(d->bufs[wkr]); + struct rte_distributor_buffer *buf = &(d->bufs[wkr]); unsigned int i; - while (!(d->bufs[wkr].bufptr64[0] & RTE_DISTRIB_GET_BUF)) + /* Sync with worker on GET_BUF flag */ + while (!(__atomic_load_n(&(d->bufs[wkr].bufptr64[0]), __ATOMIC_ACQUIRE) + & RTE_DISTRIB_GET_BUF)) rte_pause(); handle_returns(d, wkr); @@ -333,16 +348,19 @@ release(struct rte_distributor_v1705 *d, unsigned int wkr) d->backlog[wkr].count = 0; - /* Clear the GET bit */ - buf->bufptr64[0] &= ~RTE_DISTRIB_GET_BUF; + /* Clear the GET bit. + * Sync with worker on GET_BUF flag. Release bufptrs. + */ + __atomic_store_n(&(buf->bufptr64[0]), + buf->bufptr64[0] & ~RTE_DISTRIB_GET_BUF, __ATOMIC_RELEASE); return buf->count; } /* process a set of packets to distribute them to workers */ -int -rte_distributor_process_v1705(struct rte_distributor_v1705 *d, +int __vsym +rte_distributor_process_v1705(struct rte_distributor *d, struct rte_mbuf **mbufs, unsigned int num_mbufs) { unsigned int next_idx = 0; @@ -355,13 +373,15 @@ rte_distributor_process_v1705(struct rte_distributor_v1705 *d, if (d->alg_type == RTE_DIST_ALG_SINGLE) { /* Call the old API */ - return rte_distributor_process(d->d_v20, mbufs, num_mbufs); + return rte_distributor_process_v20(d->d_v20, mbufs, num_mbufs); } if (unlikely(num_mbufs == 0)) { /* Flush out all non-full cache-lines to workers. */ for (wid = 0 ; wid < d->num_workers; wid++) { - if ((d->bufs[wid].bufptr64[0] & RTE_DISTRIB_GET_BUF)) { + /* Sync with worker on GET_BUF flag. */ + if (__atomic_load_n(&(d->bufs[wid].bufptr64[0]), + __ATOMIC_ACQUIRE) & RTE_DISTRIB_GET_BUF) { release(d, wid); handle_returns(d, wid); } @@ -373,7 +393,9 @@ rte_distributor_process_v1705(struct rte_distributor_v1705 *d, uint16_t matches[RTE_DIST_BURST_SIZE]; unsigned int pkts; - if (d->bufs[wkr].bufptr64[0] & RTE_DISTRIB_GET_BUF) + /* Sync with worker on GET_BUF flag. */ + if (__atomic_load_n(&(d->bufs[wkr].bufptr64[0]), + __ATOMIC_ACQUIRE) & RTE_DISTRIB_GET_BUF) d->bufs[wkr].count = 0; if ((num_mbufs - next_idx) < RTE_DIST_BURST_SIZE) @@ -411,7 +433,7 @@ rte_distributor_process_v1705(struct rte_distributor_v1705 *d, next_value = (((int64_t)(uintptr_t)next_mb) << RTE_DISTRIB_FLAG_BITS); /* - * User is advocated to set tag vaue for each + * User is advocated to set tag value for each * mbuf before calling rte_distributor_process. * User defined tags are used to identify flows, * or sessions. @@ -421,7 +443,7 @@ rte_distributor_process_v1705(struct rte_distributor_v1705 *d, /* * Uncommenting the next line will cause the find_match - * function to be optimised out, making this function + * function to be optimized out, making this function * do parallel (non-atomic) distribution */ /* matches[j] = 0; */ @@ -471,15 +493,21 @@ rte_distributor_process_v1705(struct rte_distributor_v1705 *d, /* Flush out all non-full cache-lines to workers. */ for (wid = 0 ; wid < d->num_workers; wid++) - if ((d->bufs[wid].bufptr64[0] & RTE_DISTRIB_GET_BUF)) + /* Sync with worker on GET_BUF flag. */ + if ((__atomic_load_n(&(d->bufs[wid].bufptr64[0]), + __ATOMIC_ACQUIRE) & RTE_DISTRIB_GET_BUF)) release(d, wid); return num_mbufs; } +BIND_DEFAULT_SYMBOL(rte_distributor_process, _v1705, 17.05); +MAP_STATIC_SYMBOL(int rte_distributor_process(struct rte_distributor *d, + struct rte_mbuf **mbufs, unsigned int num_mbufs), + rte_distributor_process_v1705); /* return to the caller, packets returned from workers */ -int -rte_distributor_returned_pkts_v1705(struct rte_distributor_v1705 *d, +int __vsym +rte_distributor_returned_pkts_v1705(struct rte_distributor *d, struct rte_mbuf **mbufs, unsigned int max_mbufs) { struct rte_distributor_returned_pkts *returns = &d->returns; @@ -489,7 +517,7 @@ rte_distributor_returned_pkts_v1705(struct rte_distributor_v1705 *d, if (d->alg_type == RTE_DIST_ALG_SINGLE) { /* Call the old API */ - return rte_distributor_returned_pkts(d->d_v20, + return rte_distributor_returned_pkts_v20(d->d_v20, mbufs, max_mbufs); } @@ -504,13 +532,17 @@ rte_distributor_returned_pkts_v1705(struct rte_distributor_v1705 *d, return retval; } +BIND_DEFAULT_SYMBOL(rte_distributor_returned_pkts, _v1705, 17.05); +MAP_STATIC_SYMBOL(int rte_distributor_returned_pkts(struct rte_distributor *d, + struct rte_mbuf **mbufs, unsigned int max_mbufs), + rte_distributor_returned_pkts_v1705); /* * Return the number of packets in-flight in a distributor, i.e. packets - * being workered on or queued up in a backlog. + * being worked on or queued up in a backlog. */ static inline unsigned int -total_outstanding(const struct rte_distributor_v1705 *d) +total_outstanding(const struct rte_distributor *d) { unsigned int wkr, total_outstanding = 0; @@ -524,56 +556,70 @@ total_outstanding(const struct rte_distributor_v1705 *d) * Flush the distributor, so that there are no outstanding packets in flight or * queued up. */ -int -rte_distributor_flush_v1705(struct rte_distributor_v1705 *d) +int __vsym +rte_distributor_flush_v1705(struct rte_distributor *d) { - const unsigned int flushed = total_outstanding(d); + unsigned int flushed; unsigned int wkr; if (d->alg_type == RTE_DIST_ALG_SINGLE) { /* Call the old API */ - return rte_distributor_flush(d->d_v20); + return rte_distributor_flush_v20(d->d_v20); } + flushed = total_outstanding(d); + while (total_outstanding(d) > 0) - rte_distributor_process_v1705(d, NULL, 0); + rte_distributor_process(d, NULL, 0); + + /* wait 10ms to allow all worker drain the pkts */ + rte_delay_us(10000); /* * Send empty burst to all workers to allow them to exit * gracefully, should they need to. */ - rte_distributor_process_v1705(d, NULL, 0); + rte_distributor_process(d, NULL, 0); for (wkr = 0; wkr < d->num_workers; wkr++) handle_returns(d, wkr); return flushed; } +BIND_DEFAULT_SYMBOL(rte_distributor_flush, _v1705, 17.05); +MAP_STATIC_SYMBOL(int rte_distributor_flush(struct rte_distributor *d), + rte_distributor_flush_v1705); /* clears the internal returns array in the distributor */ -void -rte_distributor_clear_returns_v1705(struct rte_distributor_v1705 *d) +void __vsym +rte_distributor_clear_returns_v1705(struct rte_distributor *d) { unsigned int wkr; if (d->alg_type == RTE_DIST_ALG_SINGLE) { /* Call the old API */ - rte_distributor_clear_returns(d->d_v20); + rte_distributor_clear_returns_v20(d->d_v20); + return; } /* throw away returns, so workers can exit */ for (wkr = 0; wkr < d->num_workers; wkr++) - d->bufs[wkr].retptr64[0] = 0; + /* Sync with worker. Release retptrs. */ + __atomic_store_n(&(d->bufs[wkr].retptr64[0]), 0, + __ATOMIC_RELEASE); } +BIND_DEFAULT_SYMBOL(rte_distributor_clear_returns, _v1705, 17.05); +MAP_STATIC_SYMBOL(void rte_distributor_clear_returns(struct rte_distributor *d), + rte_distributor_clear_returns_v1705); /* creates a distributor instance */ -struct rte_distributor_v1705 * +struct rte_distributor * __vsym rte_distributor_create_v1705(const char *name, unsigned int socket_id, unsigned int num_workers, unsigned int alg_type) { - struct rte_distributor_v1705 *d; + struct rte_distributor *d; struct rte_dist_burst_list *dist_burst_list; char mz_name[RTE_MEMZONE_NAMESIZE]; const struct rte_memzone *mz; @@ -585,11 +631,22 @@ rte_distributor_create_v1705(const char *name, RTE_BUILD_BUG_ON((sizeof(*d) & RTE_CACHE_LINE_MASK) != 0); RTE_BUILD_BUG_ON((RTE_DISTRIB_MAX_WORKERS & 7) != 0); + if (name == NULL || num_workers >= + (unsigned int)RTE_MIN(RTE_DISTRIB_MAX_WORKERS, RTE_MAX_LCORE)) { + rte_errno = EINVAL; + return NULL; + } + if (alg_type == RTE_DIST_ALG_SINGLE) { - d = malloc(sizeof(struct rte_distributor_v1705)); - d->d_v20 = rte_distributor_create(name, + d = malloc(sizeof(struct rte_distributor)); + if (d == NULL) { + rte_errno = ENOMEM; + return NULL; + } + d->d_v20 = rte_distributor_create_v20(name, socket_id, num_workers); if (d->d_v20 == NULL) { + free(d); /* rte_errno will have been set */ return NULL; } @@ -597,11 +654,6 @@ rte_distributor_create_v1705(const char *name, return d; } - if (name == NULL || num_workers >= RTE_DISTRIB_MAX_WORKERS) { - rte_errno = EINVAL; - return NULL; - } - snprintf(mz_name, sizeof(mz_name), RTE_DISTRIB_PREFIX"%s", name); mz = rte_memzone_reserve(mz_name, sizeof(*d), socket_id, NO_FLAGS); if (mz == NULL) { @@ -610,19 +662,17 @@ rte_distributor_create_v1705(const char *name, } d = mz->addr; - snprintf(d->name, sizeof(d->name), "%s", name); + strlcpy(d->name, name, sizeof(d->name)); d->num_workers = num_workers; d->alg_type = alg_type; + d->dist_match_fn = RTE_DIST_MATCH_SCALAR; #if defined(RTE_ARCH_X86) - if (rte_cpu_get_flag_enabled(RTE_CPUFLAG_SSE4_2)) - d->dist_match_fn = RTE_DIST_MATCH_VECTOR; - else + d->dist_match_fn = RTE_DIST_MATCH_VECTOR; #endif - d->dist_match_fn = RTE_DIST_MATCH_SCALAR; /* - * Set up the backog tags so they're pointing at the second cache + * Set up the backlog tags so they're pointing at the second cache * line for performance during flow matching */ for (i = 0 ; i < num_workers ; i++) @@ -632,9 +682,14 @@ rte_distributor_create_v1705(const char *name, rte_dist_burst_list); - rte_rwlock_write_lock(RTE_EAL_TAILQ_RWLOCK); + rte_mcfg_tailq_write_lock(); TAILQ_INSERT_TAIL(dist_burst_list, d, next); - rte_rwlock_write_unlock(RTE_EAL_TAILQ_RWLOCK); + rte_mcfg_tailq_write_unlock(); return d; } +BIND_DEFAULT_SYMBOL(rte_distributor_create, _v1705, 17.05); +MAP_STATIC_SYMBOL(struct rte_distributor *rte_distributor_create( + const char *name, unsigned int socket_id, + unsigned int num_workers, unsigned int alg_type), + rte_distributor_create_v1705);