From: Pablo Neira Ayuso <pablo@netfilter.org>
To: netdev@vger.kernel.org
Cc: netfilter-devel@vger.kernel.org, davem@davemloft.net,
thomas.lendacky@amd.com, f.fainelli@gmail.com,
ariel.elior@cavium.com, michael.chan@broadcom.com,
madalin.bucur@nxp.com, yisen.zhuang@huawei.com,
salil.mehta@huawei.com, jeffrey.t.kirsher@intel.com,
tariqt@mellanox.com, saeedm@mellanox.com, jiri@mellanox.com,
idosch@mellanox.com, jakub.kicinski@netronome.com,
peppe.cavallaro@st.com, grygorii.strashko@ti.com, andrew@lunn.ch,
vivien.didelot@gmail.com, alexandre.torgue@st.com,
joabreu@synopsys.com, linux-net-drivers@solarflare.com,
ogerlitz@mellanox.com, Manish.Chopra@cavium.com,
marcelo.leitner@gmail.com, mkubecek@suse.cz,
venkatkumar.duvvuru@broadcom.com, maxime.chevallier@bootlin.com,
cphealy@gmail.com
Subject: [PATCH 11/15 net-next,v2] net: flow_offload: don't allow subsystem to reuse blocks
Date: Fri, 5 Jul 2019 01:48:39 +0200 [thread overview]
Message-ID: <20190704234843.6601-12-pablo@netfilter.org> (raw)
In-Reply-To: <20190704234843.6601-1-pablo@netfilter.org>
Drivers need to be updated to support this, return EBUSY by now.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
---
v2: no changes.
net/core/flow_offload.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/net/core/flow_offload.c b/net/core/flow_offload.c
index 0b8d088d822e..8c20f4740800 100644
--- a/net/core/flow_offload.c
+++ b/net/core/flow_offload.c
@@ -206,6 +206,12 @@ struct flow_block_cb *flow_block_cb_alloc(struct net *net, tc_setup_cb_t *cb,
{
struct flow_block_cb *block_cb;
+ list_for_each_entry(block_cb, &flow_block_cb_list, global_list) {
+ if (block_cb->cb == cb &&
+ block_cb->cb_ident == cb_ident)
+ return ERR_PTR(-EBUSY);
+ }
+
block_cb = kzalloc(sizeof(*block_cb), GFP_KERNEL);
if (IS_ERR(block_cb))
return block_cb;
--
2.11.0
next prev parent reply other threads:[~2019-07-04 23:49 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-07-04 23:48 [PATCH 00/15 net-next,v2] netfilter: add hardware offload infrastructure Pablo Neira Ayuso
2019-07-04 23:48 ` [PATCH 01/15 net-next,v2] net: sched: move tcf_block_cb before indr_block Pablo Neira Ayuso
2019-07-04 23:48 ` [PATCH 02/15 net-next,v2] net: sched: add tcf_block_cb_alloc() Pablo Neira Ayuso
2019-07-04 23:48 ` [PATCH 03/15 net-next,v2] net: sched: add tcf_block_cb_free() Pablo Neira Ayuso
2019-07-04 23:48 ` [PATCH 04/15 net-next,v2] net: sched: add tcf_block_setup() Pablo Neira Ayuso
2019-07-05 22:31 ` Jakub Kicinski
2019-07-05 22:58 ` Jakub Kicinski
2019-07-04 23:48 ` [PATCH 05/15 net-next,v2] net: sched: add release callback to struct tcf_block_cb Pablo Neira Ayuso
2019-07-04 23:48 ` [PATCH 06/15 net-next,v2] net: sched: add tcf_setup_block_offload() Pablo Neira Ayuso
2019-07-05 23:27 ` Jakub Kicinski
2019-07-04 23:48 ` [PATCH 07/15 net-next,v2] net: use tcf_block_setup() infrastructure Pablo Neira Ayuso
2019-07-04 23:48 ` [PATCH 08/15 net-next,v2] net: cls_api: do not expose tcf_block to drivers Pablo Neira Ayuso
2019-07-04 23:48 ` [PATCH 09/15 net-next,v2] net: sched: remove tcf_block_cb_{register,unregister}() Pablo Neira Ayuso
2019-07-04 23:48 ` [PATCH 10/15 net-next,v2] net: flow_offload: add flow_block_cb API Pablo Neira Ayuso
2019-07-04 23:48 ` Pablo Neira Ayuso [this message]
2019-07-04 23:48 ` [PATCH 12/15 net-next,v2] net: flow_offload: make flow block callback list per-driver Pablo Neira Ayuso
2019-07-05 22:42 ` Jakub Kicinski
2019-07-05 23:25 ` Jakub Kicinski
2019-07-04 23:48 ` [PATCH 13/15 net-next,v2] net: flow_offload: rename TC_BLOCK_{UN}BIND to FLOW_BLOCK_{UN}BIND Pablo Neira Ayuso
2019-07-04 23:48 ` [PATCH 14/15 net-next,v2] net: flow_offload: rename TCF_BLOCK_BINDER_TYPE_* to FLOW_BLOCK_BINDER_TYPE_* Pablo Neira Ayuso
2019-07-04 23:48 ` [PATCH 15/15 net-next,v2] netfilter: nf_tables: add hardware offload support Pablo Neira Ayuso
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