linux-kernel - Re: [PATCH 1/4] powerpc/ps3: gelic_udbg: use struct ethhdr from <linux/if

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Message-ID: <1454869611.3739.8.camel@perches.com>
Date:	Sun, 07 Feb 2016 10:26:51 -0800
From:	Joe Perches <joe@...ches.com>
To:	Luis Henriques <luis.henriques@...onical.com>,
	Geoff Levand <geoff@...radead.org>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Paul Mackerras <paulus@...ba.org>,
	Michael Ellerman <mpe@...erman.id.au>
Cc:	linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/4] powerpc/ps3: gelic_udbg: use struct ethhdr from
 <linux/if_ether.h>

On Sun, 2016-02-07 at 17:38 +0000, Luis Henriques wrote:
> Instead of defining a local version of struct ethhdr use the standard
> definition from .

trivia:

> diff --git a/arch/powerpc/platforms/ps3/gelic_udbg.c b/arch/powerpc/platforms/ps3/gelic_udbg.c
[]
> @@ -173,8 +169,8 @@ static void gelic_debug_init(void)
>  
>  	h_eth = (struct ethhdr *)dbg.pkt;
>  
> -	memset(&h_eth->dest, 0xff, 6);
> -	memcpy(&h_eth->src, &mac, 6);
> +	memset(&h_eth->h_dest, 0xff, 6);
> +	memcpy(&h_eth->h_source, &mac, 6);

Be nice to use ETH_ALEN and eth_broadcast_addr.
Maybe ether_addr_copy too.

> @@ -183,7 +179,7 @@ static void gelic_debug_init(void)
>  				 GELIC_LV1_VLAN_TX_ETHERNET_0, 0, 0,
>  				 &vlan_id, &v2);
>  	if (!result) {
> -		h_eth->type = 0x8100;
> +		h_eth->h_proto= 0x8100;

ETH_P_8021Q

>  		header_size += sizeof(struct vlantag);
>  		h_vlan = (struct vlantag *)(h_eth + 1);
> @@ -191,7 +187,7 @@ static void gelic_debug_init(void)
>  		h_vlan->subtype = 0x0800;
>  		h_ip = (struct iphdr *)(h_vlan + 1);
>  	} else {
> -		h_eth->type = 0x0800;
> +		h_eth->h_proto= 0x0800;

ETH_P_IP