evie/android_kernel_oneplus_msm8998
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stmmac: fix valid numbers of unicast filter entries

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[ Upstream commit edf2ef7242805e53ec2e0841db26e06d8bc7da70 ]

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 <neidhard.kim@lge.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Jongsung Kim 2018-09-13 18:32:21 +09:00 • committed by Greg Kroah-Hartman
parent ba996b3790
commit bd66767a8c
1 changed files with 2 additions and 3 deletions
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5
drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
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@ -71,7 +71,7 @@ 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.
@ -81,8 +81,7 @@ 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;