From: Stanislaw Kardach <k...@semihalf.com>
Make sure the same random generated RSS key is available to all ENA PMD
instances in all processes.
Signed-off-by: Stanislaw Kardach <k...@semihalf.com>
Reviewed-by: Michal Krawczyk <m...@semihalf.com>
Reviewed-by: Igor Chauskin <igo...@amazon.com>
Reviewed-by: Shay Agroskin <shay...@amazon.com>
---
drivers/net/ena/ena_ethdev.c | 16 +++++-----------
drivers/net/ena/ena_ethdev.h | 1 +
2 files changed, 6 insertions(+), 11 deletions(-)
diff --git a/drivers/net/ena/ena_ethdev.c b/drivers/net/ena/ena_ethdev.c
index 0780e2fee2..5c365e1ab5 100644
--- a/drivers/net/ena/ena_ethdev.c
+++ b/drivers/net/ena/ena_ethdev.c
@@ -276,19 +276,9 @@ static const struct eth_dev_ops ena_dev_ops = {
void ena_rss_key_fill(void *key, size_t size)
{
- static bool key_generated;
- static uint8_t default_key[ENA_HASH_KEY_SIZE];
- size_t i;
-
RTE_ASSERT(size <= ENA_HASH_KEY_SIZE);
- if (!key_generated) {
- for (i = 0; i < ENA_HASH_KEY_SIZE; ++i)
- default_key[i] = rte_rand() & 0xff;
- key_generated = true;
- }
-
- rte_memcpy(key, default_key, size);
+ rte_memcpy(key, ena_shared_data->default_key, size);
}
static inline void ena_rx_mbuf_prepare(struct rte_mbuf *mbuf,
@@ -1758,7 +1748,11 @@ static uint32_t ena_calc_max_io_queue_num(struct
ena_com_dev *ena_dev,
static void ena_prepare_shared_data(struct ena_shared_data *shared_data)
{
+ size_t i;
+
memset(shared_data, 0, sizeof(*shared_data));
+ for (i = 0; i < ENA_HASH_KEY_SIZE; ++i)
+ shared_data->default_key[i] = rte_rand() & 0xff;
}
static int ena_shared_data_init(void)
diff --git a/drivers/net/ena/ena_ethdev.h b/drivers/net/ena/ena_ethdev.h
index e8858c6118..1f7383dce0 100644
--- a/drivers/net/ena/ena_ethdev.h
+++ b/drivers/net/ena/ena_ethdev.h
@@ -209,6 +209,7 @@ struct ena_offloads {
/* Holds data shared between all instances of ENA PMD. */
struct ena_shared_data {
+ uint8_t default_key[ENA_HASH_KEY_SIZE];
/* Each rte_memzone should have unique name.
* To satisfy it, count number of allocation and add it to name.
*/
--
2.25.1
