netdev - [patch net-next 04/10] net: extend tc_cls_can_offload

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: <20200221095643.6642-5-jiri@resnulli.us>
Date:   Fri, 21 Feb 2020 10:56:37 +0100
From:   Jiri Pirko <jiri@...nulli.us>
To:     netdev@...r.kernel.org
Cc:     davem@...emloft.net, kuba@...nel.org, saeedm@...lanox.com,
        leon@...nel.org, michael.chan@...adcom.com, vishal@...lsio.com,
        jeffrey.t.kirsher@...el.com, idosch@...lanox.com,
        aelior@...vell.com, peppe.cavallaro@...com,
        alexandre.torgue@...com, jhs@...atatu.com,
        xiyou.wangcong@...il.com, pablo@...filter.org, mlxsw@...lanox.com
Subject: [patch net-next 04/10] net: extend tc_cls_can_offload_basic() to check HW stats type

From: Jiri Pirko <jiri@...lanox.com>

As the default type of HW stats is "any", extend
tc_cls_can_offload_basic() helper to check for it and don't allow any
other type to be handled by the drivers.

Signed-off-by: Jiri Pirko <jiri@...lanox.com>
---
 include/net/pkt_cls.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/include/net/pkt_cls.h b/include/net/pkt_cls.h
index 779364ed080a..d3d90f714a66 100644
--- a/include/net/pkt_cls.h
+++ b/include/net/pkt_cls.h
@@ -594,6 +594,11 @@ tc_cls_can_offload_basic(const struct net_device *dev,
 			       "Driver supports only offload of chain 0");
 		return false;
 	}
+	if (common->hw_stats_type != FLOW_CLS_HW_STATS_TYPE_ANY) {
+		NL_SET_ERR_MSG(common->extack,
+			       "Driver supports only default HW stats type \"any\"");
+		return false;
+	}
 	return true;
 }
 
-- 
2.21.1