netdev - [net-next v2 06/14] i40e: Add functionality for FD SB to drop packets

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: <1396015695-25283-7-git-send-email-jeffrey.t.kirsher@intel.com>
Date:	Fri, 28 Mar 2014 07:08:07 -0700
From:	Jeff Kirsher <jeffrey.t.kirsher@...el.com>
To:	davem@...emloft.net
Cc:	Anjali Singhai Jain <anjali.singhai@...el.com>,
	netdev@...r.kernel.org, gospo@...hat.com, sassmann@...hat.com,
	Catherine Sullivan <catherine.sullivan@...el.com>,
	Jeff Kirsher <jeffrey.t.kirsher@...el.com>
Subject: [net-next v2 06/14] i40e: Add functionality for FD SB to drop packets

From: Anjali Singhai Jain <anjali.singhai@...el.com>

With this change we can drop a flow if we wanted to.

Change-ID: I222b1ae960e61a31965bafe3159a95099e70c7d2
Signed-off-by: Anjali Singhai Jain <anjali.singhai@...el.com>
Signed-off-by: Catherine Sullivan <catherine.sullivan@...el.com>
Tested-by: Kavindya Deegala <kavindya.s.deegala@...el.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@...el.com>
---
 drivers/net/ethernet/intel/i40e/i40e_ethtool.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/intel/i40e/i40e_ethtool.c b/drivers/net/ethernet/intel/i40e/i40e_ethtool.c
index 0461a72..aa123f4 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_ethtool.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_ethtool.c
@@ -1513,11 +1513,16 @@ static int i40e_add_fdir_ethtool(struct i40e_vsi *vsi,
 
 	input->fd_id = fsp->location;
 
+	if (fsp->ring_cookie == RX_CLS_FLOW_DISC)
+		input->dest_ctl = I40E_FILTER_PROGRAM_DESC_DEST_DROP_PACKET;
+	else
+		input->dest_ctl =
+			     I40E_FILTER_PROGRAM_DESC_DEST_DIRECT_PACKET_QINDEX;
+
 	input->q_index = fsp->ring_cookie;
 	input->flex_off = 0;
 	input->pctype = 0;
 	input->dest_vsi = vsi->id;
-	input->dest_ctl = I40E_FILTER_PROGRAM_DESC_DEST_DIRECT_PACKET_QINDEX;
 	input->fd_status = I40E_FILTER_PROGRAM_DESC_FD_STATUS_FD_ID;
 	input->cnt_index = 0;
 	input->flow_type = fsp->flow_type;
-- 
1.9.0

--
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