From: Nikolay Aleksandrov <nikolay@redhat.com>
To: Mahesh Bandewar <maheshb@google.com>,
Jay Vosburgh <j.vosburgh@gmail.com>,
Andy Gospodarek <andy@greyhouse.net>,
Veaceslav Falico <vfalico@gmail.com>,
David Miller <davem@davemloft.net>
Cc: Maciej Zenczykowski <maze@google.com>,
netdev <netdev@vger.kernel.org>,
Eric Dumazet <edumazet@google.com>
Subject: Re: [PATCH next 1/2] bonding: Verify RX LACPDU has proper dest mac-addr
Date: Tue, 24 Feb 2015 18:38:36 +0100 [thread overview]
Message-ID: <54ECB71C.4000807@redhat.com> (raw)
In-Reply-To: <1424742610-6656-1-git-send-email-maheshb@google.com>
On 02/24/2015 02:50 AM, Mahesh Bandewar wrote:
> The 802.1AX standard states:
> "The DA in LACPDUs is the Slow_Protocols_Multicast address."
>
> This patch enforces that and drops LACPDUs with destination MAC
> addresses other than Slow_Protocols_Multicast address
>
> Signed-off-by: Mahesh Bandewar <maheshb@google.com>
> ---
> drivers/net/bonding/bond_3ad.c | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/drivers/net/bonding/bond_3ad.c b/drivers/net/bonding/bond_3ad.c
> index cfc4a9c1000a..9b436696b95e 100644
> --- a/drivers/net/bonding/bond_3ad.c
> +++ b/drivers/net/bonding/bond_3ad.c
> @@ -2485,6 +2485,9 @@ int bond_3ad_lacpdu_recv(const struct sk_buff *skb, struct bonding *bond,
> if (skb->protocol != PKT_TYPE_LACPDU)
> return RX_HANDLER_ANOTHER;
>
> + if (!MAC_ADDRESS_EQUAL(eth_hdr(skb)->h_dest, lacpdu_mcast_addr))
> + return RX_HANDLER_ANOTHER;
> +
> lacpdu = skb_header_pointer(skb, 0, sizeof(_lacpdu), &_lacpdu);
> if (!lacpdu)
> return RX_HANDLER_ANOTHER;
>
Reviewed-by: Nikolay Aleksandrov <nikolay@redhat.com>
prev parent reply other threads:[~2015-02-24 17:38 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-02-24 1:50 [PATCH next 1/2] bonding: Verify RX LACPDU has proper dest mac-addr Mahesh Bandewar
2015-02-24 17:38 ` Nikolay Aleksandrov [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=54ECB71C.4000807@redhat.com \
--to=nikolay@redhat.com \
--cc=andy@greyhouse.net \
--cc=davem@davemloft.net \
--cc=edumazet@google.com \
--cc=j.vosburgh@gmail.com \
--cc=maheshb@google.com \
--cc=maze@google.com \
--cc=netdev@vger.kernel.org \
--cc=vfalico@gmail.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).