distributor: remove checks for SSE4
[dpdk.git] / lib / librte_distributor / rte_distributor.c
index 75b0d47..c4e31b8 100644 (file)
 #include <rte_mbuf.h>
 #include <rte_memory.h>
 #include <rte_cycles.h>
+#include <rte_compat.h>
 #include <rte_memzone.h>
 #include <rte_errno.h>
 #include <rte_string_fns.h>
 #include <rte_eal_memconfig.h>
 #include <rte_compat.h>
+#include <rte_pause.h>
+
 #include "rte_distributor_private.h"
-#include "rte_distributor_next.h"
+#include "rte_distributor.h"
 #include "rte_distributor_v20.h"
+#include "rte_distributor_v1705.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",
@@ -57,17 +61,17 @@ EAL_REGISTER_TAILQ(rte_dist_burst_tailq)
 /**** Burst Packet APIs called by workers ****/
 
 void
-rte_distributor_request_pkt_v1705(struct rte_distributor_v1705 *d,
+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;
        }
@@ -102,18 +106,23 @@ rte_distributor_request_pkt_v1705(struct rte_distributor_v1705 *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_v1705 *d,
+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;
        }
 
@@ -138,9 +147,13 @@ rte_distributor_poll_pkt_v1705(struct rte_distributor_v1705 *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_v1705 *d,
+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)
 {
@@ -148,37 +161,42 @@ 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,
+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;
@@ -197,12 +215,16 @@ rte_distributor_return_pkt_v1705(struct rte_distributor_v1705 *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 ***/
 
 /* 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 +243,7 @@ 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)
 {
@@ -270,9 +292,9 @@ 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;
@@ -308,9 +330,9 @@ 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))
@@ -342,7 +364,7 @@ release(struct rte_distributor_v1705 *d, unsigned int wkr)
 
 /* process a set of packets to distribute them to workers */
 int
-rte_distributor_process_v1705(struct rte_distributor_v1705 *d,
+rte_distributor_process_v1705(struct rte_distributor *d,
                struct rte_mbuf **mbufs, unsigned int num_mbufs)
 {
        unsigned int next_idx = 0;
@@ -355,7 +377,7 @@ 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)) {
@@ -391,7 +413,13 @@ rte_distributor_process_v1705(struct rte_distributor_v1705 *d,
                for (; i < RTE_DIST_BURST_SIZE; i++)
                        flows[i] = 0;
 
-               find_match_scalar(d, &flows[0], &matches[0]);
+               switch (d->dist_match_fn) {
+               case RTE_DIST_MATCH_VECTOR:
+                       find_match_vec(d, &flows[0], &matches[0]);
+                       break;
+               default:
+                       find_match_scalar(d, &flows[0], &matches[0]);
+               }
 
                /*
                 * Matches array now contain the intended worker ID (+1) of
@@ -470,10 +498,14 @@ rte_distributor_process_v1705(struct rte_distributor_v1705 *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_v1705 *d,
+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;
@@ -483,7 +515,7 @@ 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);
        }
 
@@ -498,13 +530,17 @@ 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.
  */
 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;
 
@@ -519,55 +555,64 @@ total_outstanding(const struct rte_distributor_v1705 *d)
  * queued up.
  */
 int
-rte_distributor_flush_v1705(struct rte_distributor_v1705 *d)
+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);
 
        /*
         * 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)
+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;
 }
+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 *
 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;
@@ -580,10 +625,15 @@ rte_distributor_create_v1705(const char *name,
        RTE_BUILD_BUG_ON((RTE_DISTRIB_MAX_WORKERS & 7) != 0);
 
        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;
                }
@@ -607,7 +657,11 @@ rte_distributor_create_v1705(const char *name,
        snprintf(d->name, sizeof(d->name), "%s", name);
        d->num_workers = num_workers;
        d->alg_type = alg_type;
+
        d->dist_match_fn = RTE_DIST_MATCH_SCALAR;
+#if defined(RTE_ARCH_X86)
+       d->dist_match_fn = RTE_DIST_MATCH_VECTOR;
+#endif
 
        /*
         * Set up the backog tags so they're pointing at the second cache
@@ -626,3 +680,8 @@ 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);