netdev - [net-next 11/13] i40e: Allow untrusted VFs to have more filters

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: <20170314223308.53451-12-jeffrey.t.kirsher@intel.com>
Date:   Tue, 14 Mar 2017 15:33:06 -0700
From:   Jeff Kirsher <jeffrey.t.kirsher@...el.com>
To:     davem@...emloft.net
Cc:     Mitch Williams <mitch.a.williams@...el.com>,
        netdev@...r.kernel.org, nhorman@...hat.com, sassmann@...hat.com,
        jogreene@...hat.com, Jeff Kirsher <jeffrey.t.kirsher@...el.com>
Subject: [net-next 11/13] i40e: Allow untrusted VFs to have more filters

From: Mitch Williams <mitch.a.williams@...el.com>

Our original filter limit of 8 was based on behavior that we saw from
Linux VMs. Now we're running Other Operating Systems under KVM and we
see that they commonly use more MAC filters. Since it seems weird to
require people to enable trusted VFs just to boot their OS, bump the
number of filters allowed by default.

Change-ID: I76b2dcb2ad6017e39231ad3096c3fb6f065eef5e
Signed-off-by: Mitch Williams <mitch.a.williams@...el.com>
Tested-by: Andrew Bowers <andrewx.bowers@...el.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@...el.com>
---
 drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c
index 115a7286ab8f..cfe8b78dac0e 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c
@@ -1851,7 +1851,7 @@ static int i40e_vc_get_stats_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
 }
 
 /* If the VF is not trusted restrict the number of MAC/VLAN it can program */
-#define I40E_VC_MAX_MAC_ADDR_PER_VF 8
+#define I40E_VC_MAX_MAC_ADDR_PER_VF 12
 #define I40E_VC_MAX_VLAN_PER_VF 8
 
 /**
-- 
2.12.0