netdev - [PATCH 6/8 net] nfp: update indirect block support

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: <20200513164140.7956-7-pablo@netfilter.org>
Date:   Wed, 13 May 2020 18:41:38 +0200
From:   Pablo Neira Ayuso <pablo@...filter.org>
To:     netfilter-devel@...r.kernel.org
Cc:     davem@...emloft.net, netdev@...r.kernel.org, paulb@...lanox.com,
        ozsh@...lanox.com, vladbu@...lanox.com, jiri@...nulli.us,
        kuba@...nel.org, saeedm@...lanox.com, michael.chan@...adcom.com
Subject: [PATCH 6/8 net] nfp: update indirect block support

Register ndo callback via flow_indr_dev_register() and
flow_indr_dev_unregister().

Signed-off-by: Pablo Neira Ayuso <pablo@...filter.org>
---
 .../net/ethernet/netronome/nfp/flower/main.c  | 11 +++---
 .../net/ethernet/netronome/nfp/flower/main.h  |  7 ++--
 .../ethernet/netronome/nfp/flower/offload.c   | 35 ++++---------------
 3 files changed, 17 insertions(+), 36 deletions(-)

diff --git a/drivers/net/ethernet/netronome/nfp/flower/main.c b/drivers/net/ethernet/netronome/nfp/flower/main.c
index d8ad9346a26a..10e8edaf5b28 100644
--- a/drivers/net/ethernet/netronome/nfp/flower/main.c
+++ b/drivers/net/ethernet/netronome/nfp/flower/main.c
@@ -783,6 +783,10 @@ static int nfp_flower_init(struct nfp_app *app)
 		nfp_warn(app->cpp, "Flow mod/merge not supported by FW.\n");
 	}
 
+	err = flow_indr_dev_register(nfp_flower_indr_setup_tc_cb, app);
+	if (err)
+		goto err_lag_clean;
+
 	if (app_priv->flower_ext_feats & NFP_FL_FEATS_VF_RLIM)
 		nfp_flower_qos_init(app);
 
@@ -810,6 +814,9 @@ static void nfp_flower_clean(struct nfp_app *app)
 	skb_queue_purge(&app_priv->cmsg_skbs_low);
 	flush_work(&app_priv->cmsg_work);
 
+	flow_indr_dev_unregister(nfp_flower_indr_setup_tc_cb, app,
+				 nfp_flower_setup_indr_block_cb);
+
 	if (app_priv->flower_ext_feats & NFP_FL_FEATS_VF_RLIM)
 		nfp_flower_qos_cleanup(app);
 
@@ -913,10 +920,6 @@ nfp_flower_netdev_event(struct nfp_app *app, struct net_device *netdev,
 			return ret;
 	}
 
-	ret = nfp_flower_reg_indir_block_handler(app, netdev, event);
-	if (ret & NOTIFY_STOP_MASK)
-		return ret;
-
 	ret = nfp_flower_internal_port_event_handler(app, netdev, event);
 	if (ret & NOTIFY_STOP_MASK)
 		return ret;
diff --git a/drivers/net/ethernet/netronome/nfp/flower/main.h b/drivers/net/ethernet/netronome/nfp/flower/main.h
index d55d0d33bc45..74959a9d01be 100644
--- a/drivers/net/ethernet/netronome/nfp/flower/main.h
+++ b/drivers/net/ethernet/netronome/nfp/flower/main.h
@@ -444,9 +444,10 @@ void nfp_flower_qos_cleanup(struct nfp_app *app);
 int nfp_flower_setup_qos_offload(struct nfp_app *app, struct net_device *netdev,
 				 struct tc_cls_matchall_offload *flow);
 void nfp_flower_stats_rlim_reply(struct nfp_app *app, struct sk_buff *skb);
-int nfp_flower_reg_indir_block_handler(struct nfp_app *app,
-				       struct net_device *netdev,
-				       unsigned long event);
+int nfp_flower_indr_setup_tc_cb(struct net_device *netdev, void *cb_priv,
+				enum tc_setup_type type, void *type_data);
+int nfp_flower_setup_indr_block_cb(enum tc_setup_type type, void *type_data,
+				   void *cb_priv);
 
 void
 __nfp_flower_non_repr_priv_get(struct nfp_flower_non_repr_priv *non_repr_priv);
diff --git a/drivers/net/ethernet/netronome/nfp/flower/offload.c b/drivers/net/ethernet/netronome/nfp/flower/offload.c
index c694dbc239d0..10a4e86f5371 100644
--- a/drivers/net/ethernet/netronome/nfp/flower/offload.c
+++ b/drivers/net/ethernet/netronome/nfp/flower/offload.c
@@ -1618,8 +1618,8 @@ nfp_flower_indr_block_cb_priv_lookup(struct nfp_app *app,
 	return NULL;
 }
 
-static int nfp_flower_setup_indr_block_cb(enum tc_setup_type type,
-					  void *type_data, void *cb_priv)
+int nfp_flower_setup_indr_block_cb(enum tc_setup_type type,
+				   void *type_data, void *cb_priv)
 {
 	struct nfp_flower_indr_block_cb_priv *priv = cb_priv;
 	struct flow_cls_offload *flower = type_data;
@@ -1707,10 +1707,13 @@ nfp_flower_setup_indr_tc_block(struct net_device *netdev, struct nfp_app *app,
 	return 0;
 }
 
-static int
+int
 nfp_flower_indr_setup_tc_cb(struct net_device *netdev, void *cb_priv,
 			    enum tc_setup_type type, void *type_data)
 {
+	if (!nfp_fl_is_netdev_to_offload(netdev))
+		return -EOPNOTSUPP;
+
 	switch (type) {
 	case TC_SETUP_BLOCK:
 		return nfp_flower_setup_indr_tc_block(netdev, cb_priv,
@@ -1719,29 +1722,3 @@ nfp_flower_indr_setup_tc_cb(struct net_device *netdev, void *cb_priv,
 		return -EOPNOTSUPP;
 	}
 }
-
-int nfp_flower_reg_indir_block_handler(struct nfp_app *app,
-				       struct net_device *netdev,
-				       unsigned long event)
-{
-	int err;
-
-	if (!nfp_fl_is_netdev_to_offload(netdev))
-		return NOTIFY_OK;
-
-	if (event == NETDEV_REGISTER) {
-		err = __flow_indr_block_cb_register(netdev, app,
-						    nfp_flower_indr_setup_tc_cb,
-						    app);
-		if (err)
-			nfp_flower_cmsg_warn(app,
-					     "Indirect block reg failed - %s\n",
-					     netdev->name);
-	} else if (event == NETDEV_UNREGISTER) {
-		__flow_indr_block_cb_unregister(netdev,
-						nfp_flower_indr_setup_tc_cb,
-						app);
-	}
-
-	return NOTIFY_OK;
-}
-- 
2.20.1