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 for Android: free password hash cracker in your pocket
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <20230213181541.26114-4-paulb@nvidia.com>
Date:   Mon, 13 Feb 2023 20:15:37 +0200
From:   Paul Blakey <paulb@...dia.com>
To:     Paul Blakey <paulb@...dia.com>, <netdev@...r.kernel.org>,
        Saeed Mahameed <saeedm@...dia.com>,
        Paolo Abeni <pabeni@...hat.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Eric Dumazet <edumazet@...gle.com>,
        Jamal Hadi Salim <jhs@...atatu.com>,
        Cong Wang <xiyou.wangcong@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Marcelo Ricardo Leitner <marcelo.leitner@...il.com>
CC:     Oz Shlomo <ozsh@...dia.com>, Jiri Pirko <jiri@...dia.com>,
        Roi Dayan <roid@...dia.com>, Vlad Buslov <vladbu@...dia.com>,
        Simon Horman <simon.horman@...igine.com>
Subject: [PATCH net-next v10 3/7] net/sched: flower: Support hardware miss to tc action

To support hardware miss to tc action in actions on the flower
classifier, implement the required getting of filter actions,
and setup filter exts (actions) miss by giving it the filter's
handle and actions.

Signed-off-by: Paul Blakey <paulb@...dia.com>
Reviewed-by: Jiri Pirko <jiri@...dia.com>
Reviewed-by: Simon Horman <simon.horman@...igine.com>
---
 net/sched/cls_flower.c | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/net/sched/cls_flower.c b/net/sched/cls_flower.c
index 564b862870c7..5da7f6d02e5d 100644
--- a/net/sched/cls_flower.c
+++ b/net/sched/cls_flower.c
@@ -534,6 +534,15 @@ static struct cls_fl_filter *__fl_get(struct cls_fl_head *head, u32 handle)
 	return f;
 }
 
+static struct tcf_exts *fl_get_exts(const struct tcf_proto *tp, u32 handle)
+{
+	struct cls_fl_head *head = rcu_dereference_bh(tp->root);
+	struct cls_fl_filter *f;
+
+	f = idr_find(&head->handle_idr, handle);
+	return f ? &f->exts : NULL;
+}
+
 static int __fl_delete(struct tcf_proto *tp, struct cls_fl_filter *f,
 		       bool *last, bool rtnl_held,
 		       struct netlink_ext_ack *extack)
@@ -2227,7 +2236,8 @@ static int fl_change(struct net *net, struct sk_buff *in_skb,
 	}
 	fnew->handle = handle;
 
-	err = tcf_exts_init(&fnew->exts, net, TCA_FLOWER_ACT, 0);
+	err = tcf_exts_init_ex(&fnew->exts, net, TCA_FLOWER_ACT, 0, tp, handle,
+			       !tc_skip_hw(fnew->flags));
 	if (err < 0)
 		goto errout_idr;
 
@@ -3449,6 +3459,7 @@ static struct tcf_proto_ops cls_fl_ops __read_mostly = {
 	.tmplt_create	= fl_tmplt_create,
 	.tmplt_destroy	= fl_tmplt_destroy,
 	.tmplt_dump	= fl_tmplt_dump,
+	.get_exts	= fl_get_exts,
 	.owner		= THIS_MODULE,
 	.flags		= TCF_PROTO_OPS_DOIT_UNLOCKED,
 };
-- 
2.30.1

Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ