leandrof/u-boot
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

net: gem: Disable broadcast setting

Browse Source 
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>
Reviewed-by: Ramon Fried <rfried.dev@gmail.com>
Link: https://lore.kernel.org/r/0e236c3a6514a2a633ef3a5b71a967c46f7fbae7.1634303007.git.michal.simek@xilinx.com
This commit is contained in:
Michal Simek 2021-10-15 15:03:29 +02:00
parent 599becb0ae
commit eafdcda4a8
1 changed files with 2 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/net/zynq_gem.c
View File

@ -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)