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* [PATCH] net: gem: Disable broadcast setting
@ 2021-10-15 13:03 Michal Simek
  2021-10-16 18:25 ` Ramon Fried
  2021-10-21  6:54 ` Michal Simek
  0 siblings, 2 replies; 3+ messages in thread
From: Michal Simek @ 2021-10-15 13:03 UTC (permalink / raw)
  To: u-boot, git; +Cc: Joe Hershberger, Ramon Fried

There is no need for GEM to accepts broadcast packets because they are not
handled by u-boot anyway. That's why use HW IP feature and don't waste time
on these packats which will be dropped anyway.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
---

 drivers/net/zynq_gem.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/net/zynq_gem.c b/drivers/net/zynq_gem.c
index ff599822673c..c309c3c95499 100644
--- a/drivers/net/zynq_gem.c
+++ b/drivers/net/zynq_gem.c
@@ -60,6 +60,7 @@
 #define ZYNQ_GEM_NWCFG_SPEED100		0x00000001 /* 100 Mbps operation */
 #define ZYNQ_GEM_NWCFG_SPEED1000	0x00000400 /* 1Gbps operation */
 #define ZYNQ_GEM_NWCFG_FDEN		0x00000002 /* Full Duplex mode */
+#define ZYNQ_GEM_NWCFG_NO_BRDC		BIT(5) /* No broadcast */
 #define ZYNQ_GEM_NWCFG_FSREM		0x00020000 /* FCS removal */
 #define ZYNQ_GEM_NWCFG_SGMII_ENBL	0x08000000 /* SGMII Enable */
 #define ZYNQ_GEM_NWCFG_PCS_SEL		0x00000800 /* PCS select */
@@ -77,6 +78,7 @@
 
 #define ZYNQ_GEM_NWCFG_INIT		(ZYNQ_GEM_DBUS_WIDTH | \
 					ZYNQ_GEM_NWCFG_FDEN | \
+					ZYNQ_GEM_NWCFG_NO_BRDC | \
 					ZYNQ_GEM_NWCFG_FSREM | \
 					ZYNQ_GEM_NWCFG_MDCCLKDIV)
 
-- 
2.33.1


^ permalink raw reply related	[flat|nested] 3+ messages in thread

* Re: [PATCH] net: gem: Disable broadcast setting
  2021-10-15 13:03 [PATCH] net: gem: Disable broadcast setting Michal Simek
@ 2021-10-16 18:25 ` Ramon Fried
  2021-10-21  6:54 ` Michal Simek
  1 sibling, 0 replies; 3+ messages in thread
From: Ramon Fried @ 2021-10-16 18:25 UTC (permalink / raw)
  To: Michal Simek; +Cc: U-Boot Mailing List, git, Joe Hershberger

On Fri, Oct 15, 2021 at 4:03 PM Michal Simek <michal.simek@xilinx.com> wrote:
>
> There is no need for GEM to accepts broadcast packets because they are not
> handled by u-boot anyway. That's why use HW IP feature and don't waste time
> on these packats which will be dropped anyway.
>
> Signed-off-by: Michal Simek <michal.simek@xilinx.com>
> ---
>
>  drivers/net/zynq_gem.c | 2 ++
>  1 file changed, 2 insertions(+)
>
> diff --git a/drivers/net/zynq_gem.c b/drivers/net/zynq_gem.c
> index ff599822673c..c309c3c95499 100644
> --- a/drivers/net/zynq_gem.c
> +++ b/drivers/net/zynq_gem.c
> @@ -60,6 +60,7 @@
>  #define ZYNQ_GEM_NWCFG_SPEED100                0x00000001 /* 100 Mbps operation */
>  #define ZYNQ_GEM_NWCFG_SPEED1000       0x00000400 /* 1Gbps operation */
>  #define ZYNQ_GEM_NWCFG_FDEN            0x00000002 /* Full Duplex mode */
> +#define ZYNQ_GEM_NWCFG_NO_BRDC         BIT(5) /* No broadcast */
>  #define ZYNQ_GEM_NWCFG_FSREM           0x00020000 /* FCS removal */
>  #define ZYNQ_GEM_NWCFG_SGMII_ENBL      0x08000000 /* SGMII Enable */
>  #define ZYNQ_GEM_NWCFG_PCS_SEL         0x00000800 /* PCS select */
> @@ -77,6 +78,7 @@
>
>  #define ZYNQ_GEM_NWCFG_INIT            (ZYNQ_GEM_DBUS_WIDTH | \
>                                         ZYNQ_GEM_NWCFG_FDEN | \
> +                                       ZYNQ_GEM_NWCFG_NO_BRDC | \
>                                         ZYNQ_GEM_NWCFG_FSREM | \
>                                         ZYNQ_GEM_NWCFG_MDCCLKDIV)
>
> --
> 2.33.1
>
Reviewed-by: Ramon Fried <rfried.dev@gmail.com>

^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [PATCH] net: gem: Disable broadcast setting
  2021-10-15 13:03 [PATCH] net: gem: Disable broadcast setting Michal Simek
  2021-10-16 18:25 ` Ramon Fried
@ 2021-10-21  6:54 ` Michal Simek
  1 sibling, 0 replies; 3+ messages in thread
From: Michal Simek @ 2021-10-21  6:54 UTC (permalink / raw)
  To: Michal Simek, u-boot, git; +Cc: Joe Hershberger, Ramon Fried



On 10/15/21 15:03, Michal Simek wrote:
> There is no need for GEM to accepts broadcast packets because they are not
> handled by u-boot anyway. That's why use HW IP feature and don't waste time
> on these packats which will be dropped anyway.
> 
> Signed-off-by: Michal Simek <michal.simek@xilinx.com>
> ---
> 
>   drivers/net/zynq_gem.c | 2 ++
>   1 file changed, 2 insertions(+)
> 
> diff --git a/drivers/net/zynq_gem.c b/drivers/net/zynq_gem.c
> index ff599822673c..c309c3c95499 100644
> --- a/drivers/net/zynq_gem.c
> +++ b/drivers/net/zynq_gem.c
> @@ -60,6 +60,7 @@
>   #define ZYNQ_GEM_NWCFG_SPEED100		0x00000001 /* 100 Mbps operation */
>   #define ZYNQ_GEM_NWCFG_SPEED1000	0x00000400 /* 1Gbps operation */
>   #define ZYNQ_GEM_NWCFG_FDEN		0x00000002 /* Full Duplex mode */
> +#define ZYNQ_GEM_NWCFG_NO_BRDC		BIT(5) /* No broadcast */
>   #define ZYNQ_GEM_NWCFG_FSREM		0x00020000 /* FCS removal */
>   #define ZYNQ_GEM_NWCFG_SGMII_ENBL	0x08000000 /* SGMII Enable */
>   #define ZYNQ_GEM_NWCFG_PCS_SEL		0x00000800 /* PCS select */
> @@ -77,6 +78,7 @@
>   
>   #define ZYNQ_GEM_NWCFG_INIT		(ZYNQ_GEM_DBUS_WIDTH | \
>   					ZYNQ_GEM_NWCFG_FDEN | \
> +					ZYNQ_GEM_NWCFG_NO_BRDC | \
>   					ZYNQ_GEM_NWCFG_FSREM | \
>   					ZYNQ_GEM_NWCFG_MDCCLKDIV)
>   
> 

Applied.
M

^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2021-10-21  6:54 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
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2021-10-15 13:03 [PATCH] net: gem: Disable broadcast setting Michal Simek
2021-10-16 18:25 ` Ramon Fried
2021-10-21  6:54 ` Michal Simek

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