netdev - Re: [patch net-next v2 01/10] net: rename netdev_phys_port

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]

Date:	Sun, 09 Nov 2014 22:35:12 -0500
From:	Jamal Hadi Salim <jhs@...atatu.com>
To:	Jiri Pirko <jiri@...nulli.us>, netdev@...r.kernel.org
CC:	davem@...emloft.net, nhorman@...driver.com, andy@...yhouse.net,
	tgraf@...g.ch, dborkman@...hat.com, ogerlitz@...lanox.com,
	jesse@...ira.com, pshelar@...ira.com, azhou@...ira.com,
	ben@...adent.org.uk, stephen@...workplumber.org,
	jeffrey.t.kirsher@...el.com, vyasevic@...hat.com,
	xiyou.wangcong@...il.com, john.r.fastabend@...el.com,
	edumazet@...gle.com, sfeldma@...il.com, f.fainelli@...il.com,
	roopa@...ulusnetworks.com, linville@...driver.com,
	jasowang@...hat.com, ebiederm@...ssion.com,
	nicolas.dichtel@...nd.com, ryazanov.s.a@...il.com,
	buytenh@...tstofly.org, aviadr@...lanox.com, nbd@...nwrt.org,
	alexei.starovoitov@...il.com, Neil.Jerram@...aswitch.com,
	ronye@...lanox.com, simon.horman@...ronome.com,
	alexander.h.duyck@...hat.com, john.ronciak@...el.com,
	mleitner@...hat.com, shrijeet@...il.com, gospo@...ulusnetworks.com,
	bcrl@...ck.org
Subject: Re: [patch net-next v2 01/10] net: rename netdev_phys_port_id to
 more generic name


On 11/09/14 05:51, Jiri Pirko wrote:
> So this can be reused for identification of other "items" as well.
>




>
> diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c
> index 9dd0669..55dc4da 100644
> --- a/net/core/net-sysfs.c
> +++ b/net/core/net-sysfs.c
> @@ -387,7 +387,7 @@ static ssize_t phys_port_id_show(struct device *dev,
>   		return restart_syscall();
>
>   	if (dev_isalive(netdev)) {
> -		struct netdev_phys_port_id ppid;
> +		struct netdev_phys_item_id ppid;
>
>   		ret = dev_get_phys_port_id(netdev, &ppid);
>   		if (!ret)
> diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
> index a688268..1087c6d 100644
> --- a/net/core/rtnetlink.c
> +++ b/net/core/rtnetlink.c
> @@ -868,7 +868,7 @@ static noinline size_t if_nlmsg_size(const struct net_device *dev,
>   	       + rtnl_port_size(dev, ext_filter_mask) /* IFLA_VF_PORTS + IFLA_PORT_SELF */
>   	       + rtnl_link_get_size(dev) /* IFLA_LINKINFO */
>   	       + rtnl_link_get_af_size(dev) /* IFLA_AF_SPEC */
> -	       + nla_total_size(MAX_PHYS_PORT_ID_LEN); /* IFLA_PHYS_PORT_ID */
> +	       + nla_total_size(MAX_PHYS_ITEM_ID_LEN); /* IFLA_PHYS_PORT_ID */
>   }
>

[...]
>   static int rtnl_vf_ports_fill(struct sk_buff *skb, struct net_device *dev)
> @@ -952,7 +952,7 @@ static int rtnl_port_fill(struct sk_buff *skb, struct net_device *dev,
>   static int rtnl_phys_port_id_fill(struct sk_buff *skb, struct net_device *dev)
>   {
>   	int err;
> -	struct netdev_phys_port_id ppid;
> +	struct netdev_phys_item_id ppid;
>
>   	err = dev_get_phys_port_id(dev, &ppid);
>   	if (err) {
> @@ -1196,7 +1196,7 @@ static const struct nla_policy ifla_policy[IFLA_MAX+1] = {
>   	[IFLA_PROMISCUITY]	= { .type = NLA_U32 },
>   	[IFLA_NUM_TX_QUEUES]	= { .type = NLA_U32 },
>   	[IFLA_NUM_RX_QUEUES]	= { .type = NLA_U32 },
> -	[IFLA_PHYS_PORT_ID]	= { .type = NLA_BINARY, .len = MAX_PHYS_PORT_ID_LEN },
> +	[IFLA_PHYS_PORT_ID]	= { .type = NLA_BINARY, .len = MAX_PHYS_ITEM_ID_LEN },
>   	[IFLA_CARRIER_CHANGES]	= { .type = NLA_U32 },  /* ignored */
>   };


wouldnt this just break an existing ABI? You may need to introduce a new 
attribute.

cheers,
jamal


--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html