[net PATCHV2] octeontx2-af: Fix LMAC config in cgx_lmac_rx_tx_enable

[net PATCHV2] octeontx2-af: Fix LMAC config in cgx_lmac_rx_tx_enable

[Hariprasad Kelam]

From: Angela Czubak <aczubak@marvell.com>

PF netdev can request AF to enable or disable reception and transmission
on assigned CGX::LMAC. The current code instead of disabling or enabling
'reception and transmission' also disables/enable the LMAC. This patch
fixes this issue.

Fixes: 1435f66a28b4 ("octeontx2-af: CGX Rx/Tx enable/disable mbox handlers")
Signed-off-by: Angela Czubak <aczubak@marvell.com>
Signed-off-by: Hariprasad Kelam <hkelam@marvell.com>
---
v2 * remove unused macro define

 drivers/net/ethernet/marvell/octeontx2/af/cgx.c | 4 ++--
 drivers/net/ethernet/marvell/octeontx2/af/cgx.h | 1 -
 2 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/net/ethernet/marvell/octeontx2/af/cgx.c b/drivers/net/ethernet/marvell/octeontx2/af/cgx.c
index b2b71fe80d61..724df6398bbe 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/cgx.c
+++ b/drivers/net/ethernet/marvell/octeontx2/af/cgx.c
@@ -774,9 +774,9 @@ int cgx_lmac_rx_tx_enable(void *cgxd, int lmac_id, bool enable)

 	cfg = cgx_read(cgx, lmac_id, CGXX_CMRX_CFG);
 	if (enable)
-		cfg |= CMR_EN | DATA_PKT_RX_EN | DATA_PKT_TX_EN;
+		cfg |= DATA_PKT_RX_EN | DATA_PKT_TX_EN;
 	else
-		cfg &= ~(CMR_EN | DATA_PKT_RX_EN | DATA_PKT_TX_EN);
+		cfg &= ~(DATA_PKT_RX_EN | DATA_PKT_TX_EN);
 	cgx_write(cgx, lmac_id, CGXX_CMRX_CFG, cfg);
 	return 0;
 }
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/cgx.h b/drivers/net/ethernet/marvell/octeontx2/af/cgx.h
index fb2d37676d84..5a20d93004c7 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/cgx.h
+++ b/drivers/net/ethernet/marvell/octeontx2/af/cgx.h
@@ -26,7 +26,6 @@
 #define CMR_P2X_SEL_SHIFT		59ULL
 #define CMR_P2X_SEL_NIX0		1ULL
 #define CMR_P2X_SEL_NIX1		2ULL
-#define CMR_EN				BIT_ULL(55)
 #define DATA_PKT_TX_EN			BIT_ULL(53)
 #define DATA_PKT_RX_EN			BIT_ULL(54)
 #define CGX_LMAC_TYPE_SHIFT		40
--
2.17.1

Re: [net PATCHV2] octeontx2-af: Fix LMAC config in cgx_lmac_rx_tx_enable

[Leon Romanovsky]

On Thu, Jan 05, 2023 at 09:31:07PM +0530, Hariprasad Kelam wrote:
> From: Angela Czubak <aczubak@marvell.com>
> 
> PF netdev can request AF to enable or disable reception and transmission
> on assigned CGX::LMAC. The current code instead of disabling or enabling
> 'reception and transmission' also disables/enable the LMAC. This patch
> fixes this issue.
> 
> Fixes: 1435f66a28b4 ("octeontx2-af: CGX Rx/Tx enable/disable mbox handlers")
> Signed-off-by: Angela Czubak <aczubak@marvell.com>
> Signed-off-by: Hariprasad Kelam <hkelam@marvell.com>
> ---
> v2 * remove unused macro define
> 
>  drivers/net/ethernet/marvell/octeontx2/af/cgx.c | 4 ++--
>  drivers/net/ethernet/marvell/octeontx2/af/cgx.h | 1 -
>  2 files changed, 2 insertions(+), 3 deletions(-)
> 

Thanks,
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>

Re: [net PATCHV2] octeontx2-af: Fix LMAC config in cgx_lmac_rx_tx_enable

[patchwork-bot+netdevbpf]

Hello:

This patch was applied to netdev/net.git (master)
by Jakub Kicinski <kuba@kernel.org>:

On Thu, 5 Jan 2023 21:31:07 +0530 you wrote:
> From: Angela Czubak <aczubak@marvell.com>
> 
> PF netdev can request AF to enable or disable reception and transmission
> on assigned CGX::LMAC. The current code instead of disabling or enabling
> 'reception and transmission' also disables/enable the LMAC. This patch
> fixes this issue.
> 
> [...]

Here is the summary with links:
  - [net,PATCHV2] octeontx2-af: Fix LMAC config in cgx_lmac_rx_tx_enable
    https://git.kernel.org/netdev/net/c/b4e9b8763e41

You are awesome, thank you!
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