Adapt distributor for EAL optional atomics API changes Signed-off-by: Tyler Retzlaff <roret...@linux.microsoft.com> --- lib/distributor/distributor_private.h | 2 +- lib/distributor/rte_distributor_single.c | 44 ++++++++++++++++---------------- 2 files changed, 23 insertions(+), 23 deletions(-)
diff --git a/lib/distributor/distributor_private.h b/lib/distributor/distributor_private.h index 7101f63..ffbdae5 100644 --- a/lib/distributor/distributor_private.h +++ b/lib/distributor/distributor_private.h @@ -52,7 +52,7 @@ * Only 64-bits of the memory is actually used though. */ union rte_distributor_buffer_single { - volatile int64_t bufptr64; + volatile int64_t __rte_atomic bufptr64; char pad[RTE_CACHE_LINE_SIZE*3]; } __rte_cache_aligned; diff --git a/lib/distributor/rte_distributor_single.c b/lib/distributor/rte_distributor_single.c index 2c77ac4..ad43c13 100644 --- a/lib/distributor/rte_distributor_single.c +++ b/lib/distributor/rte_distributor_single.c @@ -32,10 +32,10 @@ int64_t req = (((int64_t)(uintptr_t)oldpkt) << RTE_DISTRIB_FLAG_BITS) | RTE_DISTRIB_GET_BUF; RTE_WAIT_UNTIL_MASKED(&buf->bufptr64, RTE_DISTRIB_FLAGS_MASK, - ==, 0, __ATOMIC_RELAXED); + ==, 0, rte_memory_order_relaxed); /* Sync with distributor on GET_BUF flag. */ - __atomic_store_n(&(buf->bufptr64), req, __ATOMIC_RELEASE); + rte_atomic_store_explicit(&buf->bufptr64, req, rte_memory_order_release); } struct rte_mbuf * @@ -44,7 +44,7 @@ struct rte_mbuf * { union rte_distributor_buffer_single *buf = &d->bufs[worker_id]; /* Sync with distributor. Acquire bufptr64. */ - if (__atomic_load_n(&buf->bufptr64, __ATOMIC_ACQUIRE) + if (rte_atomic_load_explicit(&buf->bufptr64, rte_memory_order_acquire) & RTE_DISTRIB_GET_BUF) return NULL; @@ -72,10 +72,10 @@ struct rte_mbuf * uint64_t req = (((int64_t)(uintptr_t)oldpkt) << RTE_DISTRIB_FLAG_BITS) | RTE_DISTRIB_RETURN_BUF; RTE_WAIT_UNTIL_MASKED(&buf->bufptr64, RTE_DISTRIB_FLAGS_MASK, - ==, 0, __ATOMIC_RELAXED); + ==, 0, rte_memory_order_relaxed); /* Sync with distributor on RETURN_BUF flag. */ - __atomic_store_n(&(buf->bufptr64), req, __ATOMIC_RELEASE); + rte_atomic_store_explicit(&buf->bufptr64, req, rte_memory_order_release); return 0; } @@ -119,7 +119,7 @@ struct rte_mbuf * d->in_flight_tags[wkr] = 0; d->in_flight_bitmask &= ~(1UL << wkr); /* Sync with worker. Release bufptr64. */ - __atomic_store_n(&(d->bufs[wkr].bufptr64), 0, __ATOMIC_RELEASE); + rte_atomic_store_explicit(&d->bufs[wkr].bufptr64, 0, rte_memory_order_release); if (unlikely(d->backlog[wkr].count != 0)) { /* On return of a packet, we need to move the * queued packets for this core elsewhere. @@ -165,21 +165,21 @@ struct rte_mbuf * for (wkr = 0; wkr < d->num_workers; wkr++) { uintptr_t oldbuf = 0; /* Sync with worker. Acquire bufptr64. */ - const int64_t data = __atomic_load_n(&(d->bufs[wkr].bufptr64), - __ATOMIC_ACQUIRE); + const int64_t data = rte_atomic_load_explicit(&d->bufs[wkr].bufptr64, + rte_memory_order_acquire); if (data & RTE_DISTRIB_GET_BUF) { flushed++; if (d->backlog[wkr].count) /* Sync with worker. Release bufptr64. */ - __atomic_store_n(&(d->bufs[wkr].bufptr64), + rte_atomic_store_explicit(&d->bufs[wkr].bufptr64, backlog_pop(&d->backlog[wkr]), - __ATOMIC_RELEASE); + rte_memory_order_release); else { /* Sync with worker on GET_BUF flag. */ - __atomic_store_n(&(d->bufs[wkr].bufptr64), + rte_atomic_store_explicit(&d->bufs[wkr].bufptr64, RTE_DISTRIB_GET_BUF, - __ATOMIC_RELEASE); + rte_memory_order_release); d->in_flight_tags[wkr] = 0; d->in_flight_bitmask &= ~(1UL << wkr); } @@ -217,8 +217,8 @@ struct rte_mbuf * while (next_idx < num_mbufs || next_mb != NULL) { uintptr_t oldbuf = 0; /* Sync with worker. Acquire bufptr64. */ - int64_t data = __atomic_load_n(&(d->bufs[wkr].bufptr64), - __ATOMIC_ACQUIRE); + int64_t data = rte_atomic_load_explicit(&(d->bufs[wkr].bufptr64), + rte_memory_order_acquire); if (!next_mb) { next_mb = mbufs[next_idx++]; @@ -264,15 +264,15 @@ struct rte_mbuf * if (d->backlog[wkr].count) /* Sync with worker. Release bufptr64. */ - __atomic_store_n(&(d->bufs[wkr].bufptr64), + rte_atomic_store_explicit(&d->bufs[wkr].bufptr64, backlog_pop(&d->backlog[wkr]), - __ATOMIC_RELEASE); + rte_memory_order_release); else { /* Sync with worker. Release bufptr64. */ - __atomic_store_n(&(d->bufs[wkr].bufptr64), + rte_atomic_store_explicit(&d->bufs[wkr].bufptr64, next_value, - __ATOMIC_RELEASE); + rte_memory_order_release); d->in_flight_tags[wkr] = new_tag; d->in_flight_bitmask |= (1UL << wkr); next_mb = NULL; @@ -294,8 +294,8 @@ struct rte_mbuf * for (wkr = 0; wkr < d->num_workers; wkr++) if (d->backlog[wkr].count && /* Sync with worker. Acquire bufptr64. */ - (__atomic_load_n(&(d->bufs[wkr].bufptr64), - __ATOMIC_ACQUIRE) & RTE_DISTRIB_GET_BUF)) { + (rte_atomic_load_explicit(&d->bufs[wkr].bufptr64, + rte_memory_order_acquire) & RTE_DISTRIB_GET_BUF)) { int64_t oldbuf = d->bufs[wkr].bufptr64 >> RTE_DISTRIB_FLAG_BITS; @@ -303,9 +303,9 @@ struct rte_mbuf * store_return(oldbuf, d, &ret_start, &ret_count); /* Sync with worker. Release bufptr64. */ - __atomic_store_n(&(d->bufs[wkr].bufptr64), + rte_atomic_store_explicit(&d->bufs[wkr].bufptr64, backlog_pop(&d->backlog[wkr]), - __ATOMIC_RELEASE); + rte_memory_order_release); } d->returns.start = ret_start; -- 1.8.3.1