@@ -511,18 +511,9 @@ test_flush_with_worker_shutdown(struct worker_params *wp,
static
int test_error_distributor_create_name(void)
{
- struct rte_distributor *d = NULL;
struct rte_distributor *db = NULL;
char *name = NULL;
- d = rte_distributor_create(name, rte_socket_id(),
- rte_lcore_count() - 1,
- RTE_DIST_ALG_SINGLE);
- if (d != NULL || rte_errno != EINVAL) {
- printf("ERROR: No error on create() with NULL name param\n");
- return -1;
- }
-
db = rte_distributor_create(name, rte_socket_id(),
rte_lcore_count() - 1,
RTE_DIST_ALG_BURST);
@@ -538,17 +529,8 @@ int test_error_distributor_create_name(void)
static
int test_error_distributor_create_numworkers(void)
{
- struct rte_distributor *ds = NULL;
struct rte_distributor *db = NULL;
- ds = rte_distributor_create("test_numworkers", rte_socket_id(),
- RTE_MAX_LCORE + 10,
- RTE_DIST_ALG_SINGLE);
- if (ds != NULL || rte_errno != EINVAL) {
- printf("ERROR: No error on create() with num_workers > MAX\n");
- return -1;
- }
-
db = rte_distributor_create("test_numworkers", rte_socket_id(),
RTE_MAX_LCORE + 10,
RTE_DIST_ALG_BURST);
@@ -589,11 +571,8 @@ quit_workers(struct worker_params *wp, struct rte_mempool *p)
static int
test_distributor(void)
{
- static struct rte_distributor *ds;
static struct rte_distributor *db;
- static struct rte_distributor *dist[2];
static struct rte_mempool *p;
- int i;
if (rte_lcore_count() < 2) {
printf("Not enough cores for distributor_autotest, expecting at least 2\n");
@@ -613,20 +592,6 @@ test_distributor(void)
rte_distributor_clear_returns(db);
}
- if (ds == NULL) {
- ds = rte_distributor_create("Test_dist_single",
- rte_socket_id(),
- rte_lcore_count() - 1,
- RTE_DIST_ALG_SINGLE);
- if (ds == NULL) {
- printf("Error creating single distributor\n");
- return -1;
- }
- } else {
- rte_distributor_flush(ds);
- rte_distributor_clear_returns(ds);
- }
-
const unsigned nb_bufs = (511 * rte_lcore_count()) < BIG_BATCH ?
(BIG_BATCH * 2) - 1 : (511 * rte_lcore_count());
if (p == NULL) {
@@ -638,52 +603,39 @@ test_distributor(void)
}
}
- dist[0] = ds;
- dist[1] = db;
-
- for (i = 0; i < 2; i++) {
-
- worker_params.dist = dist[i];
- if (i)
- strlcpy(worker_params.name, "burst",
- sizeof(worker_params.name));
- else
- strlcpy(worker_params.name, "single",
- sizeof(worker_params.name));
-
- rte_eal_mp_remote_launch(handle_work,
- &worker_params, SKIP_MASTER);
- if (sanity_test(&worker_params, p) < 0)
+ worker_params.dist = db;
+
+ rte_eal_mp_remote_launch(handle_work,
+ &worker_params, SKIP_MASTER);
+ if (sanity_test(&worker_params, p) < 0)
+ goto err;
+ quit_workers(&worker_params, p);
+
+ rte_eal_mp_remote_launch(handle_work_with_free_mbufs,
+ &worker_params, SKIP_MASTER);
+ if (sanity_test_with_mbuf_alloc(&worker_params, p) < 0)
+ goto err;
+ quit_workers(&worker_params, p);
+
+ if (rte_lcore_count() > 2) {
+ rte_eal_mp_remote_launch(handle_work_for_shutdown_test,
+ &worker_params,
+ SKIP_MASTER);
+ if (sanity_test_with_worker_shutdown(&worker_params,
+ p) < 0)
goto err;
quit_workers(&worker_params, p);
- rte_eal_mp_remote_launch(handle_work_with_free_mbufs,
- &worker_params, SKIP_MASTER);
- if (sanity_test_with_mbuf_alloc(&worker_params, p) < 0)
+ rte_eal_mp_remote_launch(handle_work_for_shutdown_test,
+ &worker_params,
+ SKIP_MASTER);
+ if (test_flush_with_worker_shutdown(&worker_params,
+ p) < 0)
goto err;
quit_workers(&worker_params, p);
- if (rte_lcore_count() > 2) {
- rte_eal_mp_remote_launch(handle_work_for_shutdown_test,
- &worker_params,
- SKIP_MASTER);
- if (sanity_test_with_worker_shutdown(&worker_params,
- p) < 0)
- goto err;
- quit_workers(&worker_params, p);
-
- rte_eal_mp_remote_launch(handle_work_for_shutdown_test,
- &worker_params,
- SKIP_MASTER);
- if (test_flush_with_worker_shutdown(&worker_params,
- p) < 0)
- goto err;
- quit_workers(&worker_params, p);
-
- } else {
- printf("Too few cores to run worker shutdown test\n");
- }
-
+ } else {
+ printf("Too few cores to run worker shutdown test\n");
}
if (test_error_distributor_create_numworkers() == -1 ||
@@ -215,18 +215,6 @@ test_distributor_perf(void)
/* first time how long it takes to round-trip a cache line */
time_cache_line_switch();
- if (ds == NULL) {
- ds = rte_distributor_create("Test_perf", rte_socket_id(),
- rte_lcore_count() - 1,
- RTE_DIST_ALG_SINGLE);
- if (ds == NULL) {
- printf("Error creating distributor\n");
- return -1;
- }
- } else {
- rte_distributor_clear_returns(ds);
- }
-
if (db == NULL) {
db = rte_distributor_create("Test_burst", rte_socket_id(),
rte_lcore_count() - 1,
@@ -15,7 +15,6 @@ EXPORT_MAP := rte_distributor_version.map
LIBABIVER := 1
# all source are stored in SRCS-y
-SRCS-$(CONFIG_RTE_LIBRTE_DISTRIBUTOR) := rte_distributor_v20.c
SRCS-$(CONFIG_RTE_LIBRTE_DISTRIBUTOR) += rte_distributor.c
ifeq ($(CONFIG_RTE_ARCH_X86),y)
SRCS-$(CONFIG_RTE_LIBRTE_DISTRIBUTOR) += rte_distributor_match_sse.c
@@ -1,7 +1,7 @@
# SPDX-License-Identifier: BSD-3-Clause
# Copyright(c) 2017 Intel Corporation
-sources = files('rte_distributor.c', 'rte_distributor_v20.c')
+sources = files('rte_distributor.c')
if arch_subdir == 'x86'
sources += files('rte_distributor_match_sse.c')
else
@@ -18,8 +18,6 @@
#include "rte_distributor_private.h"
#include "rte_distributor.h"
-#include "rte_distributor_v20.h"
-#include "rte_distributor_v1705.h"
TAILQ_HEAD(rte_dist_burst_list, rte_distributor);
@@ -33,7 +31,7 @@ EAL_REGISTER_TAILQ(rte_dist_burst_tailq)
/**** Burst Packet APIs called by workers ****/
void
-rte_distributor_request_pkt_v1705(struct rte_distributor *d,
+rte_distributor_request_pkt(struct rte_distributor *d,
unsigned int worker_id, struct rte_mbuf **oldpkt,
unsigned int count)
{
@@ -42,12 +40,6 @@ rte_distributor_request_pkt_v1705(struct rte_distributor *d,
volatile int64_t *retptr64;
- if (unlikely(d->alg_type == RTE_DIST_ALG_SINGLE)) {
- 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)) {
@@ -78,14 +70,9 @@ rte_distributor_request_pkt_v1705(struct rte_distributor *d,
*/
*retptr64 |= RTE_DISTRIB_GET_BUF;
}
-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 *d,
+rte_distributor_poll_pkt(struct rte_distributor *d,
unsigned int worker_id, struct rte_mbuf **pkts)
{
struct rte_distributor_buffer *buf = &d->bufs[worker_id];
@@ -93,11 +80,6 @@ rte_distributor_poll_pkt_v1705(struct rte_distributor *d,
int count = 0;
unsigned int i;
- if (unlikely(d->alg_type == RTE_DIST_ALG_SINGLE)) {
- 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)
return -1;
@@ -119,27 +101,14 @@ rte_distributor_poll_pkt_v1705(struct rte_distributor *d,
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 *d,
+rte_distributor_get_pkt(struct rte_distributor *d,
unsigned int worker_id, struct rte_mbuf **pkts,
struct rte_mbuf **oldpkt, unsigned int return_count)
{
int count;
- if (unlikely(d->alg_type == RTE_DIST_ALG_SINGLE)) {
- if (return_count <= 1) {
- 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(d, worker_id, oldpkt, return_count);
count = rte_distributor_poll_pkt(d, worker_id, pkts);
@@ -153,27 +122,14 @@ rte_distributor_get_pkt_v1705(struct rte_distributor *d,
}
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 *d,
+rte_distributor_return_pkt(struct rte_distributor *d,
unsigned int worker_id, struct rte_mbuf **oldpkt, int num)
{
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_v20(d->d_v20,
- worker_id, oldpkt[0]);
- else
- return -EINVAL;
- }
-
for (i = 0; i < RTE_DIST_BURST_SIZE; i++)
/* Switch off the return bit first */
buf->retptr64[i] &= ~RTE_DISTRIB_RETURN_BUF;
@@ -187,10 +143,6 @@ rte_distributor_return_pkt_v1705(struct rte_distributor *d,
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 ***/
@@ -336,7 +288,7 @@ release(struct rte_distributor *d, unsigned int wkr)
/* process a set of packets to distribute them to workers */
int
-rte_distributor_process_v1705(struct rte_distributor *d,
+rte_distributor_process(struct rte_distributor *d,
struct rte_mbuf **mbufs, unsigned int num_mbufs)
{
unsigned int next_idx = 0;
@@ -347,11 +299,6 @@ rte_distributor_process_v1705(struct rte_distributor *d,
uint16_t flows[RTE_DIST_BURST_SIZE] __rte_cache_aligned;
unsigned int i, j, w, wid;
- if (d->alg_type == RTE_DIST_ALG_SINGLE) {
- /* Call the old API */
- 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++) {
@@ -470,14 +417,10 @@ rte_distributor_process_v1705(struct rte_distributor *d,
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 *d,
+rte_distributor_returned_pkts(struct rte_distributor *d,
struct rte_mbuf **mbufs, unsigned int max_mbufs)
{
struct rte_distributor_returned_pkts *returns = &d->returns;
@@ -485,12 +428,6 @@ rte_distributor_returned_pkts_v1705(struct rte_distributor *d,
max_mbufs : returns->count;
unsigned int i;
- if (d->alg_type == RTE_DIST_ALG_SINGLE) {
- /* Call the old API */
- return rte_distributor_returned_pkts_v20(d->d_v20,
- mbufs, max_mbufs);
- }
-
for (i = 0; i < retval; i++) {
unsigned int idx = (returns->start + i) &
RTE_DISTRIB_RETURNS_MASK;
@@ -502,10 +439,6 @@ rte_distributor_returned_pkts_v1705(struct rte_distributor *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
@@ -527,16 +460,11 @@ total_outstanding(const struct rte_distributor *d)
* queued up.
*/
int
-rte_distributor_flush_v1705(struct rte_distributor *d)
+rte_distributor_flush(struct rte_distributor *d)
{
unsigned int flushed;
unsigned int wkr;
- if (d->alg_type == RTE_DIST_ALG_SINGLE) {
- /* Call the old API */
- return rte_distributor_flush_v20(d->d_v20);
- }
-
flushed = total_outstanding(d);
while (total_outstanding(d) > 0)
@@ -556,33 +484,21 @@ rte_distributor_flush_v1705(struct rte_distributor *d)
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 *d)
+rte_distributor_clear_returns(struct rte_distributor *d)
{
unsigned int wkr;
- if (d->alg_type == RTE_DIST_ALG_SINGLE) {
- /* Call the old API */
- 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;
}
-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 *
-rte_distributor_create_v1705(const char *name,
+rte_distributor_create(const char *name,
unsigned int socket_id,
unsigned int num_workers,
unsigned int alg_type)
@@ -593,8 +509,6 @@ rte_distributor_create_v1705(const char *name,
const struct rte_memzone *mz;
unsigned int i;
- /* TODO Reorganise function properly around RTE_DIST_ALG_SINGLE/BURST */
-
/* compilation-time checks */
RTE_BUILD_BUG_ON((sizeof(*d) & RTE_CACHE_LINE_MASK) != 0);
RTE_BUILD_BUG_ON((RTE_DISTRIB_MAX_WORKERS & 7) != 0);
@@ -605,23 +519,6 @@ rte_distributor_create_v1705(const char *name,
return NULL;
}
- if (alg_type == RTE_DIST_ALG_SINGLE) {
- 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;
- }
- d->alg_type = alg_type;
- return d;
- }
-
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) {
@@ -656,8 +553,3 @@ rte_distributor_create_v1705(const char *name,
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);
@@ -20,7 +20,6 @@ extern "C" {
/* Type of distribution (burst/single) */
enum rte_distributor_alg_type {
RTE_DIST_ALG_BURST = 0,
- RTE_DIST_ALG_SINGLE,
RTE_DIST_NUM_ALG_TYPES
};
@@ -48,18 +48,6 @@ extern "C" {
#define RTE_DISTRIBUTOR_NAMESIZE 32 /**< Length of name for instance */
-/**
- * Buffer structure used to pass the pointer data between cores. This is cache
- * line aligned, but to improve performance and prevent adjacent cache-line
- * prefetches of buffers for other workers, e.g. when worker 1's buffer is on
- * the next cache line to worker 0, we pad this out to three cache lines.
- * Only 64-bits of the memory is actually used though.
- */
-union rte_distributor_buffer_v20 {
- volatile int64_t bufptr64;
- char pad[RTE_CACHE_LINE_SIZE*3];
-} __rte_cache_aligned;
-
/*
* Transfer up to 8 mbufs at a time to/from workers, and
* flow matching algorithm optimized for 8 flow IDs at a time
@@ -80,27 +68,6 @@ struct rte_distributor_returned_pkts {
struct rte_mbuf *mbufs[RTE_DISTRIB_MAX_RETURNS];
};
-struct rte_distributor_v20 {
- TAILQ_ENTRY(rte_distributor_v20) next; /**< Next in list. */
-
- char name[RTE_DISTRIBUTOR_NAMESIZE]; /**< Name of the ring. */
- unsigned int num_workers; /**< Number of workers polling */
-
- uint32_t in_flight_tags[RTE_DISTRIB_MAX_WORKERS];
- /**< Tracks the tag being processed per core */
- uint64_t in_flight_bitmask;
- /**< on/off bits for in-flight tags.
- * Note that if RTE_DISTRIB_MAX_WORKERS is larger than 64 then
- * the bitmask has to expand.
- */
-
- struct rte_distributor_backlog backlog[RTE_DISTRIB_MAX_WORKERS];
-
- union rte_distributor_buffer_v20 bufs[RTE_DISTRIB_MAX_WORKERS];
-
- struct rte_distributor_returned_pkts returns;
-};
-
/* All different signature compare functions */
enum rte_distributor_match_function {
RTE_DIST_MATCH_SCALAR = 0,
@@ -153,8 +120,6 @@ struct rte_distributor {
struct rte_distributor_returned_pkts returns;
enum rte_distributor_match_function dist_match_fn;
-
- struct rte_distributor_v20 *d_v20;
};
void
deleted file mode 100644
@@ -1,61 +0,0 @@
-/* SPDX-License-Identifier: BSD-3-Clause
- * Copyright(c) 2017 Intel Corporation
- */
-
-#ifndef _RTE_DISTRIB_V1705_H_
-#define _RTE_DISTRIB_V1705_H_
-
-/**
- * @file
- * RTE distributor
- *
- * The distributor is a component which is designed to pass packets
- * one-at-a-time to workers, with dynamic load balancing.
- */
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-struct rte_distributor *
-rte_distributor_create_v1705(const char *name, unsigned int socket_id,
- unsigned int num_workers,
- unsigned int alg_type);
-
-int
-rte_distributor_process_v1705(struct rte_distributor *d,
- struct rte_mbuf **mbufs, unsigned int num_mbufs);
-
-int
-rte_distributor_returned_pkts_v1705(struct rte_distributor *d,
- struct rte_mbuf **mbufs, unsigned int max_mbufs);
-
-int
-rte_distributor_flush_v1705(struct rte_distributor *d);
-
-void
-rte_distributor_clear_returns_v1705(struct rte_distributor *d);
-
-int
-rte_distributor_get_pkt_v1705(struct rte_distributor *d,
- unsigned int worker_id, struct rte_mbuf **pkts,
- struct rte_mbuf **oldpkt, unsigned int retcount);
-
-int
-rte_distributor_return_pkt_v1705(struct rte_distributor *d,
- unsigned int worker_id, struct rte_mbuf **oldpkt, int num);
-
-void
-rte_distributor_request_pkt_v1705(struct rte_distributor *d,
- unsigned int worker_id, struct rte_mbuf **oldpkt,
- unsigned int count);
-
-int
-rte_distributor_poll_pkt_v1705(struct rte_distributor *d,
- unsigned int worker_id, struct rte_mbuf **mbufs);
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif
deleted file mode 100644
@@ -1,402 +0,0 @@
-/* SPDX-License-Identifier: BSD-3-Clause
- * Copyright(c) 2010-2014 Intel Corporation
- */
-
-#include <stdio.h>
-#include <sys/queue.h>
-#include <string.h>
-#include <rte_mbuf.h>
-#include <rte_memory.h>
-#include <rte_memzone.h>
-#include <rte_errno.h>
-#include <rte_compat.h>
-#include <rte_string_fns.h>
-#include <rte_eal_memconfig.h>
-#include <rte_pause.h>
-#include <rte_tailq.h>
-
-#include "rte_distributor_v20.h"
-#include "rte_distributor_private.h"
-
-TAILQ_HEAD(rte_distributor_list, rte_distributor_v20);
-
-static struct rte_tailq_elem rte_distributor_tailq = {
- .name = "RTE_DISTRIBUTOR",
-};
-EAL_REGISTER_TAILQ(rte_distributor_tailq)
-
-/**** APIs called by workers ****/
-
-void
-rte_distributor_request_pkt_v20(struct rte_distributor_v20 *d,
- unsigned worker_id, struct rte_mbuf *oldpkt)
-{
- union rte_distributor_buffer_v20 *buf = &d->bufs[worker_id];
- int64_t req = (((int64_t)(uintptr_t)oldpkt) << RTE_DISTRIB_FLAG_BITS)
- | RTE_DISTRIB_GET_BUF;
- while (unlikely(buf->bufptr64 & RTE_DISTRIB_FLAGS_MASK))
- rte_pause();
- buf->bufptr64 = req;
-}
-VERSION_SYMBOL(rte_distributor_request_pkt, _v20, 2.0);
-
-struct rte_mbuf *
-rte_distributor_poll_pkt_v20(struct rte_distributor_v20 *d,
- unsigned worker_id)
-{
- union rte_distributor_buffer_v20 *buf = &d->bufs[worker_id];
- if (buf->bufptr64 & RTE_DISTRIB_GET_BUF)
- return NULL;
-
- /* since bufptr64 is signed, this should be an arithmetic shift */
- int64_t ret = buf->bufptr64 >> RTE_DISTRIB_FLAG_BITS;
- return (struct rte_mbuf *)((uintptr_t)ret);
-}
-VERSION_SYMBOL(rte_distributor_poll_pkt, _v20, 2.0);
-
-struct rte_mbuf *
-rte_distributor_get_pkt_v20(struct rte_distributor_v20 *d,
- unsigned worker_id, struct rte_mbuf *oldpkt)
-{
- struct rte_mbuf *ret;
- rte_distributor_request_pkt_v20(d, worker_id, oldpkt);
- while ((ret = rte_distributor_poll_pkt_v20(d, worker_id)) == NULL)
- rte_pause();
- return ret;
-}
-VERSION_SYMBOL(rte_distributor_get_pkt, _v20, 2.0);
-
-int
-rte_distributor_return_pkt_v20(struct rte_distributor_v20 *d,
- unsigned worker_id, struct rte_mbuf *oldpkt)
-{
- union rte_distributor_buffer_v20 *buf = &d->bufs[worker_id];
- uint64_t req = (((int64_t)(uintptr_t)oldpkt) << RTE_DISTRIB_FLAG_BITS)
- | RTE_DISTRIB_RETURN_BUF;
- buf->bufptr64 = req;
- return 0;
-}
-VERSION_SYMBOL(rte_distributor_return_pkt, _v20, 2.0);
-
-/**** APIs called on distributor core ***/
-
-/* as name suggests, adds a packet to the backlog for a particular worker */
-static int
-add_to_backlog(struct rte_distributor_backlog *bl, int64_t item)
-{
- if (bl->count == RTE_DISTRIB_BACKLOG_SIZE)
- return -1;
-
- bl->pkts[(bl->start + bl->count++) & (RTE_DISTRIB_BACKLOG_MASK)]
- = item;
- return 0;
-}
-
-/* takes the next packet for a worker off the backlog */
-static int64_t
-backlog_pop(struct rte_distributor_backlog *bl)
-{
- bl->count--;
- return bl->pkts[bl->start++ & RTE_DISTRIB_BACKLOG_MASK];
-}
-
-/* stores a packet returned from a worker inside the returns array */
-static inline void
-store_return(uintptr_t oldbuf, struct rte_distributor_v20 *d,
- unsigned *ret_start, unsigned *ret_count)
-{
- /* store returns in a circular buffer - code is branch-free */
- d->returns.mbufs[(*ret_start + *ret_count) & RTE_DISTRIB_RETURNS_MASK]
- = (void *)oldbuf;
- *ret_start += (*ret_count == RTE_DISTRIB_RETURNS_MASK) & !!(oldbuf);
- *ret_count += (*ret_count != RTE_DISTRIB_RETURNS_MASK) & !!(oldbuf);
-}
-
-static inline void
-handle_worker_shutdown(struct rte_distributor_v20 *d, unsigned int wkr)
-{
- d->in_flight_tags[wkr] = 0;
- d->in_flight_bitmask &= ~(1UL << wkr);
- d->bufs[wkr].bufptr64 = 0;
- if (unlikely(d->backlog[wkr].count != 0)) {
- /* On return of a packet, we need to move the
- * queued packets for this core elsewhere.
- * Easiest solution is to set things up for
- * a recursive call. That will cause those
- * packets to be queued up for the next free
- * core, i.e. it will return as soon as a
- * core becomes free to accept the first
- * packet, as subsequent ones will be added to
- * the backlog for that core.
- */
- struct rte_mbuf *pkts[RTE_DISTRIB_BACKLOG_SIZE];
- unsigned i;
- struct rte_distributor_backlog *bl = &d->backlog[wkr];
-
- for (i = 0; i < bl->count; i++) {
- unsigned idx = (bl->start + i) &
- RTE_DISTRIB_BACKLOG_MASK;
- pkts[i] = (void *)((uintptr_t)(bl->pkts[idx] >>
- RTE_DISTRIB_FLAG_BITS));
- }
- /* recursive call.
- * Note that the tags were set before first level call
- * to rte_distributor_process.
- */
- rte_distributor_process_v20(d, pkts, i);
- bl->count = bl->start = 0;
- }
-}
-
-/* this function is called when process() fn is called without any new
- * packets. It goes through all the workers and clears any returned packets
- * to do a partial flush.
- */
-static int
-process_returns(struct rte_distributor_v20 *d)
-{
- unsigned wkr;
- unsigned flushed = 0;
- unsigned ret_start = d->returns.start,
- ret_count = d->returns.count;
-
- for (wkr = 0; wkr < d->num_workers; wkr++) {
-
- const int64_t data = d->bufs[wkr].bufptr64;
- uintptr_t oldbuf = 0;
-
- if (data & RTE_DISTRIB_GET_BUF) {
- flushed++;
- if (d->backlog[wkr].count)
- d->bufs[wkr].bufptr64 =
- backlog_pop(&d->backlog[wkr]);
- else {
- d->bufs[wkr].bufptr64 = RTE_DISTRIB_GET_BUF;
- d->in_flight_tags[wkr] = 0;
- d->in_flight_bitmask &= ~(1UL << wkr);
- }
- oldbuf = data >> RTE_DISTRIB_FLAG_BITS;
- } else if (data & RTE_DISTRIB_RETURN_BUF) {
- handle_worker_shutdown(d, wkr);
- oldbuf = data >> RTE_DISTRIB_FLAG_BITS;
- }
-
- store_return(oldbuf, d, &ret_start, &ret_count);
- }
-
- d->returns.start = ret_start;
- d->returns.count = ret_count;
-
- return flushed;
-}
-
-/* process a set of packets to distribute them to workers */
-int
-rte_distributor_process_v20(struct rte_distributor_v20 *d,
- struct rte_mbuf **mbufs, unsigned num_mbufs)
-{
- unsigned next_idx = 0;
- unsigned wkr = 0;
- struct rte_mbuf *next_mb = NULL;
- int64_t next_value = 0;
- uint32_t new_tag = 0;
- unsigned ret_start = d->returns.start,
- ret_count = d->returns.count;
-
- if (unlikely(num_mbufs == 0))
- return process_returns(d);
-
- while (next_idx < num_mbufs || next_mb != NULL) {
-
- int64_t data = d->bufs[wkr].bufptr64;
- uintptr_t oldbuf = 0;
-
- if (!next_mb) {
- next_mb = mbufs[next_idx++];
- next_value = (((int64_t)(uintptr_t)next_mb)
- << RTE_DISTRIB_FLAG_BITS);
- /*
- * 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.
- */
- new_tag = next_mb->hash.usr;
-
- /*
- * Note that if RTE_DISTRIB_MAX_WORKERS is larger than 64
- * then the size of match has to be expanded.
- */
- uint64_t match = 0;
- unsigned i;
- /*
- * to scan for a match use "xor" and "not" to get a 0/1
- * value, then use shifting to merge to single "match"
- * variable, where a one-bit indicates a match for the
- * worker given by the bit-position
- */
- for (i = 0; i < d->num_workers; i++)
- match |= (!(d->in_flight_tags[i] ^ new_tag)
- << i);
-
- /* Only turned-on bits are considered as match */
- match &= d->in_flight_bitmask;
-
- if (match) {
- next_mb = NULL;
- unsigned worker = __builtin_ctzl(match);
- if (add_to_backlog(&d->backlog[worker],
- next_value) < 0)
- next_idx--;
- }
- }
-
- if ((data & RTE_DISTRIB_GET_BUF) &&
- (d->backlog[wkr].count || next_mb)) {
-
- if (d->backlog[wkr].count)
- d->bufs[wkr].bufptr64 =
- backlog_pop(&d->backlog[wkr]);
-
- else {
- d->bufs[wkr].bufptr64 = next_value;
- d->in_flight_tags[wkr] = new_tag;
- d->in_flight_bitmask |= (1UL << wkr);
- next_mb = NULL;
- }
- oldbuf = data >> RTE_DISTRIB_FLAG_BITS;
- } else if (data & RTE_DISTRIB_RETURN_BUF) {
- handle_worker_shutdown(d, wkr);
- oldbuf = data >> RTE_DISTRIB_FLAG_BITS;
- }
-
- /* store returns in a circular buffer */
- store_return(oldbuf, d, &ret_start, &ret_count);
-
- if (++wkr == d->num_workers)
- wkr = 0;
- }
- /* to finish, check all workers for backlog and schedule work for them
- * if they are ready */
- for (wkr = 0; wkr < d->num_workers; wkr++)
- if (d->backlog[wkr].count &&
- (d->bufs[wkr].bufptr64 & RTE_DISTRIB_GET_BUF)) {
-
- int64_t oldbuf = d->bufs[wkr].bufptr64 >>
- RTE_DISTRIB_FLAG_BITS;
- store_return(oldbuf, d, &ret_start, &ret_count);
-
- d->bufs[wkr].bufptr64 = backlog_pop(&d->backlog[wkr]);
- }
-
- d->returns.start = ret_start;
- d->returns.count = ret_count;
- return num_mbufs;
-}
-VERSION_SYMBOL(rte_distributor_process, _v20, 2.0);
-
-/* return to the caller, packets returned from workers */
-int
-rte_distributor_returned_pkts_v20(struct rte_distributor_v20 *d,
- struct rte_mbuf **mbufs, unsigned max_mbufs)
-{
- struct rte_distributor_returned_pkts *returns = &d->returns;
- unsigned retval = (max_mbufs < returns->count) ?
- max_mbufs : returns->count;
- unsigned i;
-
- for (i = 0; i < retval; i++) {
- unsigned idx = (returns->start + i) & RTE_DISTRIB_RETURNS_MASK;
- mbufs[i] = returns->mbufs[idx];
- }
- returns->start += i;
- returns->count -= i;
-
- return retval;
-}
-VERSION_SYMBOL(rte_distributor_returned_pkts, _v20, 2.0);
-
-/* return the number of packets in-flight in a distributor, i.e. packets
- * being worked on or queued up in a backlog.
- */
-static inline unsigned
-total_outstanding(const struct rte_distributor_v20 *d)
-{
- unsigned wkr, total_outstanding;
-
- total_outstanding = __builtin_popcountl(d->in_flight_bitmask);
-
- for (wkr = 0; wkr < d->num_workers; wkr++)
- total_outstanding += d->backlog[wkr].count;
-
- return total_outstanding;
-}
-
-/* flush the distributor, so that there are no outstanding packets in flight or
- * queued up. */
-int
-rte_distributor_flush_v20(struct rte_distributor_v20 *d)
-{
- const unsigned flushed = total_outstanding(d);
-
- while (total_outstanding(d) > 0)
- rte_distributor_process_v20(d, NULL, 0);
-
- return flushed;
-}
-VERSION_SYMBOL(rte_distributor_flush, _v20, 2.0);
-
-/* clears the internal returns array in the distributor */
-void
-rte_distributor_clear_returns_v20(struct rte_distributor_v20 *d)
-{
- d->returns.start = d->returns.count = 0;
-#ifndef __OPTIMIZE__
- memset(d->returns.mbufs, 0, sizeof(d->returns.mbufs));
-#endif
-}
-VERSION_SYMBOL(rte_distributor_clear_returns, _v20, 2.0);
-
-/* creates a distributor instance */
-struct rte_distributor_v20 *
-rte_distributor_create_v20(const char *name,
- unsigned socket_id,
- unsigned num_workers)
-{
- struct rte_distributor_v20 *d;
- struct rte_distributor_list *distributor_list;
- char mz_name[RTE_MEMZONE_NAMESIZE];
- const struct rte_memzone *mz;
-
- /* compilation-time checks */
- RTE_BUILD_BUG_ON((sizeof(*d) & RTE_CACHE_LINE_MASK) != 0);
- RTE_BUILD_BUG_ON((RTE_DISTRIB_MAX_WORKERS & 7) != 0);
- RTE_BUILD_BUG_ON(RTE_DISTRIB_MAX_WORKERS >
- sizeof(d->in_flight_bitmask) * CHAR_BIT);
-
- 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) {
- rte_errno = ENOMEM;
- return NULL;
- }
-
- d = mz->addr;
- strlcpy(d->name, name, sizeof(d->name));
- d->num_workers = num_workers;
-
- distributor_list = RTE_TAILQ_CAST(rte_distributor_tailq.head,
- rte_distributor_list);
-
- rte_mcfg_tailq_write_lock();
- TAILQ_INSERT_TAIL(distributor_list, d, next);
- rte_mcfg_tailq_write_unlock();
-
- return d;
-}
-VERSION_SYMBOL(rte_distributor_create, _v20, 2.0);
deleted file mode 100644
@@ -1,218 +0,0 @@
-/* SPDX-License-Identifier: BSD-3-Clause
- * Copyright(c) 2010-2014 Intel Corporation
- */
-
-#ifndef _RTE_DISTRIB_V20_H_
-#define _RTE_DISTRIB_V20_H_
-
-/**
- * @file
- * RTE distributor
- *
- * The distributor is a component which is designed to pass packets
- * one-at-a-time to workers, with dynamic load balancing.
- */
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-#define RTE_DISTRIBUTOR_NAMESIZE 32 /**< Length of name for instance */
-
-struct rte_distributor_v20;
-struct rte_mbuf;
-
-/**
- * Function to create a new distributor instance
- *
- * Reserves the memory needed for the distributor operation and
- * initializes the distributor to work with the configured number of workers.
- *
- * @param name
- * The name to be given to the distributor instance.
- * @param socket_id
- * The NUMA node on which the memory is to be allocated
- * @param num_workers
- * The maximum number of workers that will request packets from this
- * distributor
- * @return
- * The newly created distributor instance
- */
-struct rte_distributor_v20 *
-rte_distributor_create_v20(const char *name, unsigned int socket_id,
- unsigned int num_workers);
-
-/* *** APIS to be called on the distributor lcore *** */
-/*
- * The following APIs are the public APIs which are designed for use on a
- * single lcore which acts as the distributor lcore for a given distributor
- * instance. These functions cannot be called on multiple cores simultaneously
- * without using locking to protect access to the internals of the distributor.
- *
- * NOTE: a given lcore cannot act as both a distributor lcore and a worker lcore
- * for the same distributor instance, otherwise deadlock will result.
- */
-
-/**
- * Process a set of packets by distributing them among workers that request
- * packets. The distributor will ensure that no two packets that have the
- * same flow id, or tag, in the mbuf will be processed at the same time.
- *
- * The user is advocated to set tag for each mbuf before calling this function.
- * If user doesn't set the tag, the tag value can be various values depending on
- * driver implementation and configuration.
- *
- * This is not multi-thread safe and should only be called on a single lcore.
- *
- * @param d
- * The distributor instance to be used
- * @param mbufs
- * The mbufs to be distributed
- * @param num_mbufs
- * The number of mbufs in the mbufs array
- * @return
- * The number of mbufs processed.
- */
-int
-rte_distributor_process_v20(struct rte_distributor_v20 *d,
- struct rte_mbuf **mbufs, unsigned int num_mbufs);
-
-/**
- * Get a set of mbufs that have been returned to the distributor by workers
- *
- * This should only be called on the same lcore as rte_distributor_process()
- *
- * @param d
- * The distributor instance to be used
- * @param mbufs
- * The mbufs pointer array to be filled in
- * @param max_mbufs
- * The size of the mbufs array
- * @return
- * The number of mbufs returned in the mbufs array.
- */
-int
-rte_distributor_returned_pkts_v20(struct rte_distributor_v20 *d,
- struct rte_mbuf **mbufs, unsigned int max_mbufs);
-
-/**
- * Flush the distributor component, so that there are no in-flight or
- * backlogged packets awaiting processing
- *
- * This should only be called on the same lcore as rte_distributor_process()
- *
- * @param d
- * The distributor instance to be used
- * @return
- * The number of queued/in-flight packets that were completed by this call.
- */
-int
-rte_distributor_flush_v20(struct rte_distributor_v20 *d);
-
-/**
- * Clears the array of returned packets used as the source for the
- * rte_distributor_returned_pkts() API call.
- *
- * This should only be called on the same lcore as rte_distributor_process()
- *
- * @param d
- * The distributor instance to be used
- */
-void
-rte_distributor_clear_returns_v20(struct rte_distributor_v20 *d);
-
-/* *** APIS to be called on the worker lcores *** */
-/*
- * The following APIs are the public APIs which are designed for use on
- * multiple lcores which act as workers for a distributor. Each lcore should use
- * a unique worker id when requesting packets.
- *
- * NOTE: a given lcore cannot act as both a distributor lcore and a worker lcore
- * for the same distributor instance, otherwise deadlock will result.
- */
-
-/**
- * API called by a worker to get a new packet to process. Any previous packet
- * given to the worker is assumed to have completed processing, and may be
- * optionally returned to the distributor via the oldpkt parameter.
- *
- * @param d
- * The distributor instance to be used
- * @param worker_id
- * The worker instance number to use - must be less that num_workers passed
- * at distributor creation time.
- * @param oldpkt
- * The previous packet, if any, being processed by the worker
- *
- * @return
- * A new packet to be processed by the worker thread.
- */
-struct rte_mbuf *
-rte_distributor_get_pkt_v20(struct rte_distributor_v20 *d,
- unsigned int worker_id, struct rte_mbuf *oldpkt);
-
-/**
- * API called by a worker to return a completed packet without requesting a
- * new packet, for example, because a worker thread is shutting down
- *
- * @param d
- * The distributor instance to be used
- * @param worker_id
- * The worker instance number to use - must be less that num_workers passed
- * at distributor creation time.
- * @param mbuf
- * The previous packet being processed by the worker
- */
-int
-rte_distributor_return_pkt_v20(struct rte_distributor_v20 *d,
- unsigned int worker_id, struct rte_mbuf *mbuf);
-
-/**
- * API called by a worker to request a new packet to process.
- * Any previous packet given to the worker is assumed to have completed
- * processing, and may be optionally returned to the distributor via
- * the oldpkt parameter.
- * Unlike rte_distributor_get_pkt(), this function does not wait for a new
- * packet to be provided by the distributor.
- *
- * NOTE: after calling this function, rte_distributor_poll_pkt() should
- * be used to poll for the packet requested. The rte_distributor_get_pkt()
- * API should *not* be used to try and retrieve the new packet.
- *
- * @param d
- * The distributor instance to be used
- * @param worker_id
- * The worker instance number to use - must be less that num_workers passed
- * at distributor creation time.
- * @param oldpkt
- * The previous packet, if any, being processed by the worker
- */
-void
-rte_distributor_request_pkt_v20(struct rte_distributor_v20 *d,
- unsigned int worker_id, struct rte_mbuf *oldpkt);
-
-/**
- * API called by a worker to check for a new packet that was previously
- * requested by a call to rte_distributor_request_pkt(). It does not wait
- * for the new packet to be available, but returns NULL if the request has
- * not yet been fulfilled by the distributor.
- *
- * @param d
- * The distributor instance to be used
- * @param worker_id
- * The worker instance number to use - must be less that num_workers passed
- * at distributor creation time.
- *
- * @return
- * A new packet to be processed by the worker thread, or NULL if no
- * packet is yet available.
- */
-struct rte_mbuf *
-rte_distributor_poll_pkt_v20(struct rte_distributor_v20 *d,
- unsigned int worker_id);
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif
@@ -1,4 +1,4 @@
-DPDK_2.0 {
+DPDK_17.05 {
global:
rte_distributor_clear_returns;
@@ -13,17 +13,3 @@ DPDK_2.0 {
local: *;
};
-
-DPDK_17.05 {
- global:
-
- rte_distributor_clear_returns;
- rte_distributor_create;
- rte_distributor_flush;
- rte_distributor_get_pkt;
- rte_distributor_poll_pkt;
- rte_distributor_process;
- rte_distributor_request_pkt;
- rte_distributor_return_pkt;
- rte_distributor_returned_pkts;
-} DPDK_2.0;