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* [dpdk-dev] [PATCH] net/cnxk: fix default MCAM allocation size
@ 2021-07-06  8:19 psatheesh
  2021-07-12 16:06 ` Jerin Jacob
  0 siblings, 1 reply; 2+ messages in thread
From: psatheesh @ 2021-07-06  8:19 UTC (permalink / raw)
  To: Nithin Dabilpuram, Kiran Kumar K, Sunil Kumar Kori, Satha Rao
  Cc: dev, Satheesh Paul

From: Satheesh Paul <psatheesh@marvell.com>

Preallocation of MCAM entries is not valid anymore since the
AF side MCAM allocation scheme has changed. This patch disables
preallocation by changing the default MCAM preallocation size
from 8 to 1.

Fixes: 168c59cfe42 ("net/octeontx2: add flow MCAM utility functions")

Signed-off-by: Satheesh Paul <psatheesh@marvell.com>
---
 drivers/net/cnxk/cnxk_ethdev_devargs.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/cnxk/cnxk_ethdev_devargs.c b/drivers/net/cnxk/cnxk_ethdev_devargs.c
index c76b6281c..7f20e9228 100644
--- a/drivers/net/cnxk/cnxk_ethdev_devargs.c
+++ b/drivers/net/cnxk/cnxk_ethdev_devargs.c
@@ -116,7 +116,7 @@ cnxk_ethdev_parse_devargs(struct rte_devargs *devargs, struct cnxk_eth_dev *dev)
 {
 	uint16_t reta_sz = ROC_NIX_RSS_RETA_SZ_64;
 	uint16_t sqb_count = CNXK_NIX_TX_MAX_SQB;
-	uint16_t flow_prealloc_size = 8;
+	uint16_t flow_prealloc_size = 1;
 	uint16_t switch_header_type = 0;
 	uint16_t flow_max_priority = 3;
 	uint16_t rss_tag_as_xor = 0;
-- 
2.25.4


^ permalink raw reply	[flat|nested] 2+ messages in thread

* Re: [dpdk-dev] [PATCH] net/cnxk: fix default MCAM allocation size
  2021-07-06  8:19 [dpdk-dev] [PATCH] net/cnxk: fix default MCAM allocation size psatheesh
@ 2021-07-12 16:06 ` Jerin Jacob
  0 siblings, 0 replies; 2+ messages in thread
From: Jerin Jacob @ 2021-07-12 16:06 UTC (permalink / raw)
  To: Satheesh Paul
  Cc: Nithin Dabilpuram, Kiran Kumar K, Sunil Kumar Kori, Satha Rao, dpdk-dev

On Tue, Jul 6, 2021 at 1:49 PM <psatheesh@marvell.com> wrote:
>
> From: Satheesh Paul <psatheesh@marvell.com>
>
> Preallocation of MCAM entries is not valid anymore since the
> AF side MCAM allocation scheme has changed. This patch disables
> preallocation by changing the default MCAM preallocation size
> from 8 to 1.
>
> Fixes: 168c59cfe42 ("net/octeontx2: add flow MCAM utility functions")
>
> Signed-off-by: Satheesh Paul <psatheesh@marvell.com>

Acked-by: Jerin Jacob <jerinj@marvell.com>
Applied to dpdk-next-net-mrvl/for-next-net. Thanks
> ---
>  drivers/net/cnxk/cnxk_ethdev_devargs.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/net/cnxk/cnxk_ethdev_devargs.c b/drivers/net/cnxk/cnxk_ethdev_devargs.c
> index c76b6281c..7f20e9228 100644
> --- a/drivers/net/cnxk/cnxk_ethdev_devargs.c
> +++ b/drivers/net/cnxk/cnxk_ethdev_devargs.c
> @@ -116,7 +116,7 @@ cnxk_ethdev_parse_devargs(struct rte_devargs *devargs, struct cnxk_eth_dev *dev)
>  {
>         uint16_t reta_sz = ROC_NIX_RSS_RETA_SZ_64;
>         uint16_t sqb_count = CNXK_NIX_TX_MAX_SQB;
> -       uint16_t flow_prealloc_size = 8;
> +       uint16_t flow_prealloc_size = 1;
>         uint16_t switch_header_type = 0;
>         uint16_t flow_max_priority = 3;
>         uint16_t rss_tag_as_xor = 0;
> --
> 2.25.4
>

^ permalink raw reply	[flat|nested] 2+ messages in thread

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2021-07-12 16:06 ` Jerin Jacob

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