[dpdk-dev] [PATCH] net/ena: fix assigning NUMA node to IO queue
Michal Krawczyk
mk at semihalf.com
Tue Jun 4 12:31:39 CEST 2019
Previous solution was using memzones in invalid way in hope to assign
IO queue to the appropriate NUMA zone.
The right way is to use socket_id from the rx/tx queue setup function
and then pass it to the IO queue.
Fixes: 3d3edc265fc8 ("net/ena: make coherent memory allocation NUMA-aware")
Change-Id: Ie0ce2a1ec33bbff1daee0c0a8d55febe3305ae32
Signed-off-by: Michal Krawczyk <mk at semihalf.com>
---
drivers/net/ena/ena_ethdev.c | 24 +++++-------------------
drivers/net/ena/ena_ethdev.h | 2 ++
2 files changed, 7 insertions(+), 19 deletions(-)
diff --git a/drivers/net/ena/ena_ethdev.c b/drivers/net/ena/ena_ethdev.c
index b6651fc..e9ccb04 100644
--- a/drivers/net/ena/ena_ethdev.c
+++ b/drivers/net/ena/ena_ethdev.c
@@ -272,22 +272,6 @@ static const struct eth_dev_ops ena_dev_ops = {
.reta_query = ena_rss_reta_query,
};
-#define NUMA_NO_NODE SOCKET_ID_ANY
-
-static inline int ena_cpu_to_node(int cpu)
-{
- struct rte_config *config = rte_eal_get_configuration();
- struct rte_fbarray *arr = &config->mem_config->memzones;
- const struct rte_memzone *mz;
-
- if (unlikely(cpu >= RTE_MAX_MEMZONE))
- return NUMA_NO_NODE;
-
- mz = rte_fbarray_get(arr, cpu);
-
- return mz->socket_id;
-}
-
static inline void ena_rx_mbuf_prepare(struct rte_mbuf *mbuf,
struct ena_com_rx_ctx *ena_rx_ctx)
{
@@ -1126,7 +1110,7 @@ static int ena_create_io_queue(struct ena_ring *ring)
}
ctx.qid = ena_qid;
ctx.msix_vector = -1; /* interrupts not used */
- ctx.numa_node = ena_cpu_to_node(ring->id);
+ ctx.numa_node = ring->numa_socket_id;
rc = ena_com_create_io_queue(ena_dev, &ctx);
if (rc) {
@@ -1224,7 +1208,7 @@ static int ena_queue_start(struct ena_ring *ring)
static int ena_tx_queue_setup(struct rte_eth_dev *dev,
uint16_t queue_idx,
uint16_t nb_desc,
- __rte_unused unsigned int socket_id,
+ unsigned int socket_id,
const struct rte_eth_txconf *tx_conf)
{
struct ena_ring *txq = NULL;
@@ -1262,6 +1246,7 @@ static int ena_tx_queue_setup(struct rte_eth_dev *dev,
txq->next_to_clean = 0;
txq->next_to_use = 0;
txq->ring_size = nb_desc;
+ txq->numa_socket_id = socket_id;
txq->tx_buffer_info = rte_zmalloc("txq->tx_buffer_info",
sizeof(struct ena_tx_buffer) *
@@ -1309,7 +1294,7 @@ static int ena_tx_queue_setup(struct rte_eth_dev *dev,
static int ena_rx_queue_setup(struct rte_eth_dev *dev,
uint16_t queue_idx,
uint16_t nb_desc,
- __rte_unused unsigned int socket_id,
+ unsigned int socket_id,
__rte_unused const struct rte_eth_rxconf *rx_conf,
struct rte_mempool *mp)
{
@@ -1347,6 +1332,7 @@ static int ena_rx_queue_setup(struct rte_eth_dev *dev,
rxq->next_to_clean = 0;
rxq->next_to_use = 0;
rxq->ring_size = nb_desc;
+ rxq->numa_socket_id = socket_id;
rxq->mb_pool = mp;
rxq->rx_buffer_info = rte_zmalloc("rxq->buffer_info",
diff --git a/drivers/net/ena/ena_ethdev.h b/drivers/net/ena/ena_ethdev.h
index dcc8690..9067e90 100644
--- a/drivers/net/ena/ena_ethdev.h
+++ b/drivers/net/ena/ena_ethdev.h
@@ -143,6 +143,8 @@ struct ena_ring {
struct ena_stats_rx rx_stats;
struct ena_stats_tx tx_stats;
};
+
+ unsigned int numa_socket_id;
} __rte_cache_aligned;
enum ena_adapter_state {
--
2.7.4
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