linux-kernel - Re: [v3, PATCH] net: stmmac: add support for hash table size 128/256 in dwmac4

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20190527.100800.1719164073038257292.davem@davemloft.net>
Date:   Mon, 27 May 2019 10:08:00 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     biao.huang@...iatek.com
Cc:     joabreu@...opsys.com, peppe.cavallaro@...com,
        alexandre.torgue@...com, mcoquelin.stm32@...il.com,
        matthias.bgg@...il.com, netdev@...r.kernel.org,
        linux-stm32@...md-mailman.stormreply.com,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-mediatek@...ts.infradead.org, yt.shen@...iatek.com,
        jianguo.zhang@...iatek.com, boon.leong.ong@...el.com
Subject: Re: [v3, PATCH] net: stmmac: add support for hash table size
 128/256 in dwmac4

From: Biao Huang <biao.huang@...iatek.com>
Date: Mon, 27 May 2019 11:14:27 +0800

> diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c b/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c
> index 5e98da4..029a3db 100644
> --- a/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c
> +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c
> @@ -403,41 +403,50 @@ static void dwmac4_set_filter(struct mac_device_info *hw,
>  			      struct net_device *dev)
>  {
>  	void __iomem *ioaddr = (void __iomem *)dev->base_addr;
> -	unsigned int value = 0;
> +	unsigned int value;
> +	int numhashregs = (hw->multicast_filter_bins >> 5);
> +	int mcbitslog2 = hw->mcast_bits_log2;
> +	int i;

Please retain the reverse christmas tree ordering here.

Thank you.