2018-09-13 09:33:33

by Jongsung Kim

[permalink] [raw]
Subject: [PATCH] stmmac: fix valid numbers of unicast filter entries

Synopsys DWC Ethernet MAC can be configured to have 1..32, 64, or
128 unicast filter entries. (Table 7-8 MAC Address Registers from
databook) Fix dwmac1000_validate_ucast_entries() to accept values
between 1 and 32 in addition.

Signed-off-by: Jongsung Kim <[email protected]>
---
drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
index 3609c7b..2b800ce 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
@@ -67,7 +67,7 @@ static int dwmac1000_validate_mcast_bins(int mcast_bins)
* Description:
* This function validates the number of Unicast address entries supported
* by a particular Synopsys 10/100/1000 controller. The Synopsys controller
- * supports 1, 32, 64, or 128 Unicast filter entries for it's Unicast filter
+ * supports 1..32, 64, or 128 Unicast filter entries for it's Unicast filter
* logic. This function validates a valid, supported configuration is
* selected, and defaults to 1 Unicast address if an unsupported
* configuration is selected.
@@ -77,8 +77,7 @@ static int dwmac1000_validate_ucast_entries(int ucast_entries)
int x = ucast_entries;

switch (x) {
- case 1:
- case 32:
+ case 1 ... 32:
case 64:
case 128:
break;
--
2.7.4



2018-09-16 22:24:35

by David Miller

[permalink] [raw]
Subject: Re: [PATCH] stmmac: fix valid numbers of unicast filter entries

From: Jongsung Kim <[email protected]>
Date: Thu, 13 Sep 2018 18:32:21 +0900

> Synopsys DWC Ethernet MAC can be configured to have 1..32, 64, or
> 128 unicast filter entries. (Table 7-8 MAC Address Registers from
> databook) Fix dwmac1000_validate_ucast_entries() to accept values
> between 1 and 32 in addition.
>
> Signed-off-by: Jongsung Kim <[email protected]>

Applied, thank you.