From patchwork Wed May 13 16:41:33 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Pablo Neira Ayuso X-Patchwork-Id: 219329 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.7 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E9722C433DF for ; Wed, 13 May 2020 16:41:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5159C2065D for ; Wed, 13 May 2020 16:41:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389660AbgEMQl4 (ORCPT ); Wed, 13 May 2020 12:41:56 -0400 Received: from correo.us.es ([193.147.175.20]:53980 "EHLO mail.us.es" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2389423AbgEMQlx (ORCPT ); Wed, 13 May 2020 12:41:53 -0400 Received: from antivirus1-rhel7.int (unknown [192.168.2.11]) by mail.us.es (Postfix) with ESMTP id BB60727F8BB for ; Wed, 13 May 2020 18:41:51 +0200 (CEST) Received: from antivirus1-rhel7.int (localhost [127.0.0.1]) by antivirus1-rhel7.int (Postfix) with ESMTP id AE7955C02C for ; Wed, 13 May 2020 18:41:51 +0200 (CEST) Received: by antivirus1-rhel7.int (Postfix, from userid 99) id AAAA5D2D04; Wed, 13 May 2020 18:41:51 +0200 (CEST) Received: from antivirus1-rhel7.int (localhost [127.0.0.1]) by antivirus1-rhel7.int (Postfix) with ESMTP id 9770F615A4; Wed, 13 May 2020 18:41:49 +0200 (CEST) Received: from 192.168.1.97 (192.168.1.97) by antivirus1-rhel7.int (F-Secure/fsigk_smtp/550/antivirus1-rhel7.int); Wed, 13 May 2020 18:41:49 +0200 (CEST) X-Virus-Status: clean(F-Secure/fsigk_smtp/550/antivirus1-rhel7.int) Received: from localhost.localdomain (unknown [90.77.255.23]) (Authenticated sender: pneira@us.es) by entrada.int (Postfix) with ESMTPA id 43EC042EF4E1; Wed, 13 May 2020 18:41:49 +0200 (CEST) X-SMTPAUTHUS: auth mail.us.es From: Pablo Neira Ayuso To: netfilter-devel@vger.kernel.org Cc: davem@davemloft.net, netdev@vger.kernel.org, paulb@mellanox.com, ozsh@mellanox.com, vladbu@mellanox.com, jiri@resnulli.us, kuba@kernel.org, saeedm@mellanox.com, michael.chan@broadcom.com Subject: [PATCH 1/8 net] netfilter: nf_flowtable: expose nf_flow_table_gc_cleanup() Date: Wed, 13 May 2020 18:41:33 +0200 Message-Id: <20200513164140.7956-2-pablo@netfilter.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200513164140.7956-1-pablo@netfilter.org> References: <20200513164140.7956-1-pablo@netfilter.org> MIME-Version: 1.0 X-Virus-Scanned: ClamAV using ClamSMTP Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org This function schedules the flow teardown state and it forces a gc run. Signed-off-by: Pablo Neira Ayuso --- include/net/netfilter/nf_flow_table.h | 2 ++ net/netfilter/nf_flow_table_core.c | 6 +++--- 2 files changed, 5 insertions(+), 3 deletions(-) diff --git a/include/net/netfilter/nf_flow_table.h b/include/net/netfilter/nf_flow_table.h index 6bf69652f57d..15e21044e611 100644 --- a/include/net/netfilter/nf_flow_table.h +++ b/include/net/netfilter/nf_flow_table.h @@ -174,6 +174,8 @@ void flow_offload_refresh(struct nf_flowtable *flow_table, struct flow_offload_tuple_rhash *flow_offload_lookup(struct nf_flowtable *flow_table, struct flow_offload_tuple *tuple); +void nf_flow_table_gc_cleanup(struct nf_flowtable *flowtable, + struct net_device *dev); void nf_flow_table_cleanup(struct net_device *dev); int nf_flow_table_init(struct nf_flowtable *flow_table); diff --git a/net/netfilter/nf_flow_table_core.c b/net/netfilter/nf_flow_table_core.c index 4344e572b7f9..86aeee638ca4 100644 --- a/net/netfilter/nf_flow_table_core.c +++ b/net/netfilter/nf_flow_table_core.c @@ -586,8 +586,8 @@ static void nf_flow_table_do_cleanup(struct flow_offload *flow, void *data) flow_offload_teardown(flow); } -static void nf_flow_table_iterate_cleanup(struct nf_flowtable *flowtable, - struct net_device *dev) +void nf_flow_table_gc_cleanup(struct nf_flowtable *flowtable, + struct net_device *dev) { nf_flow_table_iterate(flowtable, nf_flow_table_do_cleanup, dev); flush_delayed_work(&flowtable->gc_work); @@ -600,7 +600,7 @@ void nf_flow_table_cleanup(struct net_device *dev) mutex_lock(&flowtable_lock); list_for_each_entry(flowtable, &flowtables, list) - nf_flow_table_iterate_cleanup(flowtable, dev); + nf_flow_table_gc_cleanup(flowtable, dev); mutex_unlock(&flowtable_lock); } EXPORT_SYMBOL_GPL(nf_flow_table_cleanup); From patchwork Wed May 13 16:41:37 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Pablo Neira Ayuso X-Patchwork-Id: 219326 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.7 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5534AC433DF for ; Wed, 13 May 2020 16:42:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id AF1982065D for ; Wed, 13 May 2020 16:42:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389727AbgEMQmI (ORCPT ); Wed, 13 May 2020 12:42:08 -0400 Received: from correo.us.es ([193.147.175.20]:54092 "EHLO mail.us.es" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2389651AbgEMQl4 (ORCPT ); Wed, 13 May 2020 12:41:56 -0400 Received: from antivirus1-rhel7.int (unknown [192.168.2.11]) by mail.us.es (Postfix) with ESMTP id 0651A27F8B5 for ; Wed, 13 May 2020 18:41:55 +0200 (CEST) Received: from antivirus1-rhel7.int (localhost [127.0.0.1]) by antivirus1-rhel7.int (Postfix) with ESMTP id E82BF4FA0B for ; Wed, 13 May 2020 18:41:54 +0200 (CEST) Received: by antivirus1-rhel7.int (Postfix, from userid 99) id DD4EA1158E9; Wed, 13 May 2020 18:41:54 +0200 (CEST) Received: from antivirus1-rhel7.int (localhost [127.0.0.1]) by antivirus1-rhel7.int (Postfix) with ESMTP id AFA2D1158F1; Wed, 13 May 2020 18:41:52 +0200 (CEST) Received: from 192.168.1.97 (192.168.1.97) by antivirus1-rhel7.int (F-Secure/fsigk_smtp/550/antivirus1-rhel7.int); Wed, 13 May 2020 18:41:52 +0200 (CEST) X-Virus-Status: clean(F-Secure/fsigk_smtp/550/antivirus1-rhel7.int) Received: from localhost.localdomain (unknown [90.77.255.23]) (Authenticated sender: pneira@us.es) by entrada.int (Postfix) with ESMTPA id 53FEE42EF4E0; Wed, 13 May 2020 18:41:52 +0200 (CEST) X-SMTPAUTHUS: auth mail.us.es From: Pablo Neira Ayuso To: netfilter-devel@vger.kernel.org Cc: davem@davemloft.net, netdev@vger.kernel.org, paulb@mellanox.com, ozsh@mellanox.com, vladbu@mellanox.com, jiri@resnulli.us, kuba@kernel.org, saeedm@mellanox.com, michael.chan@broadcom.com Subject: [PATCH 5/8 net] mlx5: update indirect block support Date: Wed, 13 May 2020 18:41:37 +0200 Message-Id: <20200513164140.7956-6-pablo@netfilter.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200513164140.7956-1-pablo@netfilter.org> References: <20200513164140.7956-1-pablo@netfilter.org> MIME-Version: 1.0 X-Virus-Scanned: ClamAV using ClamSMTP Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Register ndo callback via flow_indr_dev_register() and flow_indr_dev_unregister(). No need for mlx5e_rep_indr_clean_block_privs() since flow_block_cb_free() already releases the internal mapping via ->release callback, which in this case is mlx5e_rep_indr_tc_block_unbind(). Signed-off-by: Pablo Neira Ayuso --- .../net/ethernet/mellanox/mlx5/core/en_rep.c | 83 +++---------------- .../net/ethernet/mellanox/mlx5/core/en_rep.h | 5 -- 2 files changed, 10 insertions(+), 78 deletions(-) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c b/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c index f372e94948fd..b7aa0d976ba7 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c @@ -65,9 +65,6 @@ struct mlx5e_rep_indr_block_priv { struct list_head list; }; -static void mlx5e_rep_indr_unregister_block(struct mlx5e_rep_priv *rpriv, - struct net_device *netdev); - static void mlx5e_rep_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *drvinfo) { @@ -680,17 +677,6 @@ mlx5e_rep_indr_block_priv_lookup(struct mlx5e_rep_priv *rpriv, return NULL; } -static void mlx5e_rep_indr_clean_block_privs(struct mlx5e_rep_priv *rpriv) -{ - struct mlx5e_rep_indr_block_priv *cb_priv, *temp; - struct list_head *head = &rpriv->uplink_priv.tc_indr_block_priv_list; - - list_for_each_entry_safe(cb_priv, temp, head, list) { - mlx5e_rep_indr_unregister_block(rpriv, cb_priv->netdev); - kfree(cb_priv); - } -} - static int mlx5e_rep_indr_offload(struct net_device *netdev, struct flow_cls_offload *flower, @@ -794,9 +780,14 @@ mlx5e_rep_indr_setup_block(struct net_device *netdev, struct flow_block_offload *f, flow_setup_cb_t *setup_cb) { + struct mlx5e_priv *priv = netdev_priv(rpriv->netdev); struct mlx5e_rep_indr_block_priv *indr_priv; struct flow_block_cb *block_cb; + if (!mlx5e_tc_tun_device_to_offload(priv, netdev) && + !(is_vlan_dev(netdev) && vlan_dev_real_dev(netdev) == rpriv->netdev)) + return -EOPNOTSUPP; + if (f->binder_type != FLOW_BLOCK_BINDER_TYPE_CLSACT_INGRESS) return -EOPNOTSUPP; @@ -863,53 +854,6 @@ int mlx5e_rep_indr_setup_cb(struct net_device *netdev, void *cb_priv, } } -static int mlx5e_rep_indr_register_block(struct mlx5e_rep_priv *rpriv, - struct net_device *netdev) -{ - int err; - - err = __flow_indr_block_cb_register(netdev, rpriv, - mlx5e_rep_indr_setup_cb, - rpriv); - if (err) { - struct mlx5e_priv *priv = netdev_priv(rpriv->netdev); - - mlx5_core_err(priv->mdev, "Failed to register remote block notifier for %s err=%d\n", - netdev_name(netdev), err); - } - return err; -} - -static void mlx5e_rep_indr_unregister_block(struct mlx5e_rep_priv *rpriv, - struct net_device *netdev) -{ - __flow_indr_block_cb_unregister(netdev, mlx5e_rep_indr_setup_cb, - rpriv); -} - -static int mlx5e_nic_rep_netdevice_event(struct notifier_block *nb, - unsigned long event, void *ptr) -{ - struct mlx5e_rep_priv *rpriv = container_of(nb, struct mlx5e_rep_priv, - uplink_priv.netdevice_nb); - struct mlx5e_priv *priv = netdev_priv(rpriv->netdev); - struct net_device *netdev = netdev_notifier_info_to_dev(ptr); - - if (!mlx5e_tc_tun_device_to_offload(priv, netdev) && - !(is_vlan_dev(netdev) && vlan_dev_real_dev(netdev) == rpriv->netdev)) - return NOTIFY_OK; - - switch (event) { - case NETDEV_REGISTER: - mlx5e_rep_indr_register_block(rpriv, netdev); - break; - case NETDEV_UNREGISTER: - mlx5e_rep_indr_unregister_block(rpriv, netdev); - break; - } - return NOTIFY_OK; -} - static void mlx5e_rep_queue_neigh_update_work(struct mlx5e_priv *priv, struct mlx5e_neigh_hash_entry *nhe, @@ -1806,12 +1750,10 @@ static int mlx5e_init_uplink_rep_tx(struct mlx5e_rep_priv *rpriv) /* init indirect block notifications */ INIT_LIST_HEAD(&uplink_priv->tc_indr_block_priv_list); - uplink_priv->netdevice_nb.notifier_call = mlx5e_nic_rep_netdevice_event; - err = register_netdevice_notifier_dev_net(rpriv->netdev, - &uplink_priv->netdevice_nb, - &uplink_priv->netdevice_nn); + + err = flow_indr_dev_register(mlx5e_rep_indr_setup_cb, rpriv); if (err) { - mlx5_core_err(priv->mdev, "Failed to register netdev notifier\n"); + mlx5_core_err(priv->mdev, "Failed to register indirect block notifier\n"); goto tc_esw_cleanup; } @@ -1848,13 +1790,8 @@ static int mlx5e_init_rep_tx(struct mlx5e_priv *priv) static void mlx5e_cleanup_uplink_rep_tx(struct mlx5e_rep_priv *rpriv) { - struct mlx5_rep_uplink_priv *uplink_priv = &rpriv->uplink_priv; - - /* clean indirect TC block notifications */ - unregister_netdevice_notifier_dev_net(rpriv->netdev, - &uplink_priv->netdevice_nb, - &uplink_priv->netdevice_nn); - mlx5e_rep_indr_clean_block_privs(rpriv); + flow_indr_dev_unregister(mlx5e_rep_indr_setup_cb, rpriv, + mlx5e_rep_indr_setup_tc_cb); /* delete shared tc flow table */ mlx5e_tc_esw_cleanup(&rpriv->uplink_priv.tc_ht); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rep.h b/drivers/net/ethernet/mellanox/mlx5/core/en_rep.h index 6a2337900420..3d6a4a9be482 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_rep.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rep.h @@ -68,13 +68,8 @@ struct mlx5_rep_uplink_priv { * tc_indr_block_cb_priv_list is used to lookup indirect callback * private data * - * netdevice_nb is the netdev events notifier - used to register - * tunnel devices for block events - * */ struct list_head tc_indr_block_priv_list; - struct notifier_block netdevice_nb; - struct netdev_net_notifier netdevice_nn; struct mlx5_tun_entropy tun_entropy; From patchwork Wed May 13 16:41:39 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Pablo Neira Ayuso X-Patchwork-Id: 219328 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.7 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 560B2C433E2 for ; Wed, 13 May 2020 16:42:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B2B592065D for ; Wed, 13 May 2020 16:42:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389413AbgEMQmA (ORCPT ); Wed, 13 May 2020 12:42:00 -0400 Received: from correo.us.es ([193.147.175.20]:54032 "EHLO mail.us.es" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2389680AbgEMQl6 (ORCPT ); Wed, 13 May 2020 12:41:58 -0400 Received: from antivirus1-rhel7.int (unknown [192.168.2.11]) by mail.us.es (Postfix) with ESMTP id 32B5727F8B2 for ; Wed, 13 May 2020 18:41:57 +0200 (CEST) Received: from antivirus1-rhel7.int (localhost [127.0.0.1]) by antivirus1-rhel7.int (Postfix) with ESMTP id 248051158F1 for ; Wed, 13 May 2020 18:41:57 +0200 (CEST) Received: by antivirus1-rhel7.int (Postfix, from userid 99) id 190AC1158EA; Wed, 13 May 2020 18:41:57 +0200 (CEST) Received: from antivirus1-rhel7.int (localhost [127.0.0.1]) by antivirus1-rhel7.int (Postfix) with ESMTP id 09E1B11540C; Wed, 13 May 2020 18:41:55 +0200 (CEST) Received: from 192.168.1.97 (192.168.1.97) by antivirus1-rhel7.int (F-Secure/fsigk_smtp/550/antivirus1-rhel7.int); Wed, 13 May 2020 18:41:55 +0200 (CEST) X-Virus-Status: clean(F-Secure/fsigk_smtp/550/antivirus1-rhel7.int) Received: from localhost.localdomain (unknown [90.77.255.23]) (Authenticated sender: pneira@us.es) by entrada.int (Postfix) with ESMTPA id ABF8642EF4E1; Wed, 13 May 2020 18:41:54 +0200 (CEST) X-SMTPAUTHUS: auth mail.us.es From: Pablo Neira Ayuso To: netfilter-devel@vger.kernel.org Cc: davem@davemloft.net, netdev@vger.kernel.org, paulb@mellanox.com, ozsh@mellanox.com, vladbu@mellanox.com, jiri@resnulli.us, kuba@kernel.org, saeedm@mellanox.com, michael.chan@broadcom.com Subject: [PATCH 7/8 net] bnxt_tc: update indirect block support Date: Wed, 13 May 2020 18:41:39 +0200 Message-Id: <20200513164140.7956-8-pablo@netfilter.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200513164140.7956-1-pablo@netfilter.org> References: <20200513164140.7956-1-pablo@netfilter.org> MIME-Version: 1.0 X-Virus-Scanned: ClamAV using ClamSMTP Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Register ndo callback via flow_indr_dev_register() and flow_indr_dev_unregister(). Signed-off-by: Pablo Neira Ayuso --- drivers/net/ethernet/broadcom/bnxt/bnxt.h | 1 - drivers/net/ethernet/broadcom/bnxt/bnxt_tc.c | 51 +++++--------------- 2 files changed, 12 insertions(+), 40 deletions(-) diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.h b/drivers/net/ethernet/broadcom/bnxt/bnxt.h index f6a3250ef1c5..e7d1c12673bd 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.h +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.h @@ -1857,7 +1857,6 @@ struct bnxt { u8 dsn[8]; struct bnxt_tc_info *tc_info; struct list_head tc_indr_block_list; - struct notifier_block tc_netdev_nb; struct dentry *debugfs_pdev; struct device *hwmon_dev; }; diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_tc.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_tc.c index 782ea0771221..0eef4f5e4a46 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt_tc.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_tc.c @@ -1939,53 +1939,25 @@ static int bnxt_tc_setup_indr_block(struct net_device *netdev, struct bnxt *bp, return 0; } -static int bnxt_tc_setup_indr_cb(struct net_device *netdev, void *cb_priv, - enum tc_setup_type type, void *type_data) -{ - switch (type) { - case TC_SETUP_BLOCK: - return bnxt_tc_setup_indr_block(netdev, cb_priv, type_data); - default: - return -EOPNOTSUPP; - } -} - static bool bnxt_is_netdev_indr_offload(struct net_device *netdev) { return netif_is_vxlan(netdev); } -static int bnxt_tc_indr_block_event(struct notifier_block *nb, - unsigned long event, void *ptr) +static int bnxt_tc_setup_indr_cb(struct net_device *netdev, void *cb_priv, + enum tc_setup_type type, void *type_data) { - struct net_device *netdev; - struct bnxt *bp; - int rc; - - netdev = netdev_notifier_info_to_dev(ptr); if (!bnxt_is_netdev_indr_offload(netdev)) - return NOTIFY_OK; - - bp = container_of(nb, struct bnxt, tc_netdev_nb); + return -EOPNOTSUPP; - switch (event) { - case NETDEV_REGISTER: - rc = __flow_indr_block_cb_register(netdev, bp, - bnxt_tc_setup_indr_cb, - bp); - if (rc) - netdev_info(bp->dev, - "Failed to register indirect blk: dev: %s\n", - netdev->name); - break; - case NETDEV_UNREGISTER: - __flow_indr_block_cb_unregister(netdev, - bnxt_tc_setup_indr_cb, - bp); + switch (type) { + case TC_SETUP_BLOCK: + return bnxt_tc_setup_indr_block(netdev, cb_priv, type_data); + default: break; } - return NOTIFY_DONE; + return -EOPNOTSUPP; } static const struct rhashtable_params bnxt_tc_flow_ht_params = { @@ -2074,8 +2046,8 @@ int bnxt_init_tc(struct bnxt *bp) /* init indirect block notifications */ INIT_LIST_HEAD(&bp->tc_indr_block_list); - bp->tc_netdev_nb.notifier_call = bnxt_tc_indr_block_event; - rc = register_netdevice_notifier(&bp->tc_netdev_nb); + + rc = flow_indr_dev_register(bnxt_tc_setup_indr_cb, bp); if (!rc) return 0; @@ -2101,7 +2073,8 @@ void bnxt_shutdown_tc(struct bnxt *bp) if (!bnxt_tc_flower_enabled(bp)) return; - unregister_netdevice_notifier(&bp->tc_netdev_nb); + flow_indr_dev_unregister(bnxt_tc_setup_indr_cb, bp, + bnxt_tc_setup_indr_block_cb); rhashtable_destroy(&tc_info->flow_table); rhashtable_destroy(&tc_info->l2_table); rhashtable_destroy(&tc_info->decap_l2_table); 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Wed, 13 May 2020 18:41:55 +0200 (CEST) X-SMTPAUTHUS: auth mail.us.es From: Pablo Neira Ayuso To: netfilter-devel@vger.kernel.org Cc: davem@davemloft.net, netdev@vger.kernel.org, paulb@mellanox.com, ozsh@mellanox.com, vladbu@mellanox.com, jiri@resnulli.us, kuba@kernel.org, saeedm@mellanox.com, michael.chan@broadcom.com Subject: [PATCH 8/8 net] net: remove indirect block netdev event registration Date: Wed, 13 May 2020 18:41:40 +0200 Message-Id: <20200513164140.7956-9-pablo@netfilter.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200513164140.7956-1-pablo@netfilter.org> References: <20200513164140.7956-1-pablo@netfilter.org> MIME-Version: 1.0 X-Virus-Scanned: ClamAV using ClamSMTP Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Drivers do not register to netdev events to set up indirect blocks anymore. Remove __flow_indr_block_cb_register() and __flow_indr_block_cb_unregister(). The frontends set up the callbacks through flow_indr_dev_setup_block() Signed-off-by: Pablo Neira Ayuso --- include/net/flow_offload.h | 9 - net/core/flow_offload.c | 238 -------------------------- net/netfilter/nf_flow_table_offload.c | 66 ------- net/netfilter/nf_tables_offload.c | 53 +----- net/sched/cls_api.c | 79 --------- 5 files changed, 1 insertion(+), 444 deletions(-) diff --git a/include/net/flow_offload.h b/include/net/flow_offload.h index 77e5a1bc30f0..3b5860cb8948 100644 --- a/include/net/flow_offload.h +++ b/include/net/flow_offload.h @@ -533,15 +533,6 @@ typedef void flow_indr_block_cmd_t(struct net_device *dev, flow_indr_block_bind_cb_t *cb, void *cb_priv, enum flow_block_command command); -struct flow_indr_block_entry { - flow_indr_block_cmd_t *cb; - struct list_head list; -}; - -void flow_indr_add_block_cb(struct flow_indr_block_entry *entry); - -void flow_indr_del_block_cb(struct flow_indr_block_entry *entry); - int __flow_indr_block_cb_register(struct net_device *dev, void *cb_priv, flow_indr_block_bind_cb_t *cb, void *cb_ident); diff --git a/net/core/flow_offload.c b/net/core/flow_offload.c index 073dd0f74dc0..9f778362595d 100644 --- a/net/core/flow_offload.c +++ b/net/core/flow_offload.c @@ -467,241 +467,3 @@ int flow_indr_dev_setup_offload(struct net_device *dev, return list_empty(&bo->cb_list) ? -EOPNOTSUPP : 0; } EXPORT_SYMBOL(flow_indr_dev_setup_offload); - -static LIST_HEAD(block_cb_list); - -static struct rhashtable indr_setup_block_ht; - -struct flow_indr_block_cb { - struct list_head list; - void *cb_priv; - flow_indr_block_bind_cb_t *cb; - void *cb_ident; -}; - -struct flow_indr_block_dev { - struct rhash_head ht_node; - struct net_device *dev; - unsigned int refcnt; - struct list_head cb_list; -}; - -static const struct rhashtable_params flow_indr_setup_block_ht_params = { - .key_offset = offsetof(struct flow_indr_block_dev, dev), - .head_offset = offsetof(struct flow_indr_block_dev, ht_node), - .key_len = sizeof(struct net_device *), -}; - -static struct flow_indr_block_dev * -flow_indr_block_dev_lookup(struct net_device *dev) -{ - return rhashtable_lookup_fast(&indr_setup_block_ht, &dev, - flow_indr_setup_block_ht_params); -} - -static struct flow_indr_block_dev * -flow_indr_block_dev_get(struct net_device *dev) -{ - struct flow_indr_block_dev *indr_dev; - - indr_dev = flow_indr_block_dev_lookup(dev); - if (indr_dev) - goto inc_ref; - - indr_dev = kzalloc(sizeof(*indr_dev), GFP_KERNEL); - if (!indr_dev) - return NULL; - - INIT_LIST_HEAD(&indr_dev->cb_list); - indr_dev->dev = dev; - if (rhashtable_insert_fast(&indr_setup_block_ht, &indr_dev->ht_node, - flow_indr_setup_block_ht_params)) { - kfree(indr_dev); - return NULL; - } - -inc_ref: - indr_dev->refcnt++; - return indr_dev; -} - -static void flow_indr_block_dev_put(struct flow_indr_block_dev *indr_dev) -{ - if (--indr_dev->refcnt) - return; - - rhashtable_remove_fast(&indr_setup_block_ht, &indr_dev->ht_node, - flow_indr_setup_block_ht_params); - kfree(indr_dev); -} - -static struct flow_indr_block_cb * -flow_indr_block_cb_lookup(struct flow_indr_block_dev *indr_dev, - flow_indr_block_bind_cb_t *cb, void *cb_ident) -{ - struct flow_indr_block_cb *indr_block_cb; - - list_for_each_entry(indr_block_cb, &indr_dev->cb_list, list) - if (indr_block_cb->cb == cb && - indr_block_cb->cb_ident == cb_ident) - return indr_block_cb; - return NULL; -} - -static struct flow_indr_block_cb * -flow_indr_block_cb_add(struct flow_indr_block_dev *indr_dev, void *cb_priv, - flow_indr_block_bind_cb_t *cb, void *cb_ident) -{ - struct flow_indr_block_cb *indr_block_cb; - - indr_block_cb = flow_indr_block_cb_lookup(indr_dev, cb, cb_ident); - if (indr_block_cb) - return ERR_PTR(-EEXIST); - - indr_block_cb = kzalloc(sizeof(*indr_block_cb), GFP_KERNEL); - if (!indr_block_cb) - return ERR_PTR(-ENOMEM); - - indr_block_cb->cb_priv = cb_priv; - indr_block_cb->cb = cb; - indr_block_cb->cb_ident = cb_ident; - list_add(&indr_block_cb->list, &indr_dev->cb_list); - - return indr_block_cb; -} - -static void flow_indr_block_cb_del(struct flow_indr_block_cb *indr_block_cb) -{ - list_del(&indr_block_cb->list); - kfree(indr_block_cb); -} - -static DEFINE_MUTEX(flow_indr_block_cb_lock); - -static void flow_block_cmd(struct net_device *dev, - flow_indr_block_bind_cb_t *cb, void *cb_priv, - enum flow_block_command command) -{ - struct flow_indr_block_entry *entry; - - mutex_lock(&flow_indr_block_cb_lock); - list_for_each_entry(entry, &block_cb_list, list) { - entry->cb(dev, cb, cb_priv, command); - } - mutex_unlock(&flow_indr_block_cb_lock); -} - -int __flow_indr_block_cb_register(struct net_device *dev, void *cb_priv, - flow_indr_block_bind_cb_t *cb, - void *cb_ident) -{ - struct flow_indr_block_cb *indr_block_cb; - struct flow_indr_block_dev *indr_dev; - int err; - - indr_dev = flow_indr_block_dev_get(dev); - if (!indr_dev) - return -ENOMEM; - - indr_block_cb = flow_indr_block_cb_add(indr_dev, cb_priv, cb, cb_ident); - err = PTR_ERR_OR_ZERO(indr_block_cb); - if (err) - goto err_dev_put; - - flow_block_cmd(dev, indr_block_cb->cb, indr_block_cb->cb_priv, - FLOW_BLOCK_BIND); - - return 0; - -err_dev_put: - flow_indr_block_dev_put(indr_dev); - return err; -} -EXPORT_SYMBOL_GPL(__flow_indr_block_cb_register); - -int flow_indr_block_cb_register(struct net_device *dev, void *cb_priv, - flow_indr_block_bind_cb_t *cb, - void *cb_ident) -{ - int err; - - rtnl_lock(); - err = __flow_indr_block_cb_register(dev, cb_priv, cb, cb_ident); - rtnl_unlock(); - - return err; -} -EXPORT_SYMBOL_GPL(flow_indr_block_cb_register); - -void __flow_indr_block_cb_unregister(struct net_device *dev, - flow_indr_block_bind_cb_t *cb, - void *cb_ident) -{ - struct flow_indr_block_cb *indr_block_cb; - struct flow_indr_block_dev *indr_dev; - - indr_dev = flow_indr_block_dev_lookup(dev); - if (!indr_dev) - return; - - indr_block_cb = flow_indr_block_cb_lookup(indr_dev, cb, cb_ident); - if (!indr_block_cb) - return; - - flow_block_cmd(dev, indr_block_cb->cb, indr_block_cb->cb_priv, - FLOW_BLOCK_UNBIND); - - flow_indr_block_cb_del(indr_block_cb); - flow_indr_block_dev_put(indr_dev); -} -EXPORT_SYMBOL_GPL(__flow_indr_block_cb_unregister); - -void flow_indr_block_cb_unregister(struct net_device *dev, - flow_indr_block_bind_cb_t *cb, - void *cb_ident) -{ - rtnl_lock(); - __flow_indr_block_cb_unregister(dev, cb, cb_ident); - rtnl_unlock(); -} -EXPORT_SYMBOL_GPL(flow_indr_block_cb_unregister); - -void flow_indr_block_call(struct net_device *dev, - struct flow_block_offload *bo, - enum flow_block_command command, - enum tc_setup_type type) -{ - struct flow_indr_block_cb *indr_block_cb; - struct flow_indr_block_dev *indr_dev; - - indr_dev = flow_indr_block_dev_lookup(dev); - if (!indr_dev) - return; - - list_for_each_entry(indr_block_cb, &indr_dev->cb_list, list) - indr_block_cb->cb(dev, indr_block_cb->cb_priv, type, bo); -} -EXPORT_SYMBOL_GPL(flow_indr_block_call); - -void flow_indr_add_block_cb(struct flow_indr_block_entry *entry) -{ - mutex_lock(&flow_indr_block_cb_lock); - list_add_tail(&entry->list, &block_cb_list); - mutex_unlock(&flow_indr_block_cb_lock); -} -EXPORT_SYMBOL_GPL(flow_indr_add_block_cb); - -void flow_indr_del_block_cb(struct flow_indr_block_entry *entry) -{ - mutex_lock(&flow_indr_block_cb_lock); - list_del(&entry->list); - mutex_unlock(&flow_indr_block_cb_lock); -} -EXPORT_SYMBOL_GPL(flow_indr_del_block_cb); - -static int __init init_flow_indr_rhashtable(void) -{ - return rhashtable_init(&indr_setup_block_ht, - &flow_indr_setup_block_ht_params); -} -subsys_initcall(init_flow_indr_rhashtable); diff --git a/net/netfilter/nf_flow_table_offload.c b/net/netfilter/nf_flow_table_offload.c index 82562e47d99b..969ee9461d82 100644 --- a/net/netfilter/nf_flow_table_offload.c +++ b/net/netfilter/nf_flow_table_offload.c @@ -999,69 +999,6 @@ int nf_flow_table_offload_setup(struct nf_flowtable *flowtable, } EXPORT_SYMBOL_GPL(nf_flow_table_offload_setup); -static void nf_flow_table_indr_block_ing_cmd(struct net_device *dev, - struct nf_flowtable *flowtable, - flow_indr_block_bind_cb_t *cb, - void *cb_priv, - enum flow_block_command cmd) -{ - struct netlink_ext_ack extack = {}; - struct flow_block_offload bo; - - if (!flowtable) - return; - - nf_flow_table_block_offload_init(&bo, dev_net(dev), cmd, flowtable, - &extack); - - cb(dev, cb_priv, TC_SETUP_FT, &bo); - - nf_flow_table_block_setup(flowtable, &bo, cmd); -} - -static void nf_flow_table_indr_block_cb_cmd(struct nf_flowtable *flowtable, - struct net_device *dev, - flow_indr_block_bind_cb_t *cb, - void *cb_priv, - enum flow_block_command cmd) -{ - if (!(flowtable->flags & NF_FLOWTABLE_HW_OFFLOAD)) - return; - - nf_flow_table_indr_block_ing_cmd(dev, flowtable, cb, cb_priv, cmd); -} - -static void nf_flow_table_indr_block_cb(struct net_device *dev, - flow_indr_block_bind_cb_t *cb, - void *cb_priv, - enum flow_block_command cmd) -{ - struct net *net = dev_net(dev); - struct nft_flowtable *nft_ft; - struct nft_table *table; - struct nft_hook *hook; - - mutex_lock(&net->nft.commit_mutex); - list_for_each_entry(table, &net->nft.tables, list) { - list_for_each_entry(nft_ft, &table->flowtables, list) { - list_for_each_entry(hook, &nft_ft->hook_list, list) { - if (hook->ops.dev != dev) - continue; - - nf_flow_table_indr_block_cb_cmd(&nft_ft->data, - dev, cb, - cb_priv, cmd); - } - } - } - mutex_unlock(&net->nft.commit_mutex); -} - -static struct flow_indr_block_entry block_ing_entry = { - .cb = nf_flow_table_indr_block_cb, - .list = LIST_HEAD_INIT(block_ing_entry.list), -}; - int nf_flow_table_offload_init(void) { nf_flow_offload_wq = alloc_workqueue("nf_flow_table_offload", @@ -1069,13 +1006,10 @@ int nf_flow_table_offload_init(void) if (!nf_flow_offload_wq) return -ENOMEM; - flow_indr_add_block_cb(&block_ing_entry); - return 0; } void nf_flow_table_offload_exit(void) { - flow_indr_del_block_cb(&block_ing_entry); destroy_workqueue(nf_flow_offload_wq); } diff --git a/net/netfilter/nf_tables_offload.c b/net/netfilter/nf_tables_offload.c index 1960f11477e8..185fc82c99aa 100644 --- a/net/netfilter/nf_tables_offload.c +++ b/net/netfilter/nf_tables_offload.c @@ -285,25 +285,6 @@ static int nft_block_offload_cmd(struct nft_base_chain *chain, return nft_block_setup(chain, &bo, cmd); } -static void nft_indr_block_ing_cmd(struct net_device *dev, - struct nft_base_chain *chain, - flow_indr_block_bind_cb_t *cb, - void *cb_priv, - enum flow_block_command cmd) -{ - struct netlink_ext_ack extack = {}; - struct flow_block_offload bo; - - if (!chain) - return; - - nft_flow_block_offload_init(&bo, dev_net(dev), cmd, chain, &extack); - - cb(dev, cb_priv, TC_SETUP_BLOCK, &bo); - - nft_block_setup(chain, &bo, cmd); -} - static void nft_indr_block_cleanup(struct flow_block_cb *block_cb) { struct nft_base_chain *basechain = block_cb->indr.data; @@ -575,24 +556,6 @@ static struct nft_chain *__nft_offload_get_chain(struct net_device *dev) return NULL; } -static void nft_indr_block_cb(struct net_device *dev, - flow_indr_block_bind_cb_t *cb, void *cb_priv, - enum flow_block_command cmd) -{ - struct net *net = dev_net(dev); - struct nft_chain *chain; - - mutex_lock(&net->nft.commit_mutex); - chain = __nft_offload_get_chain(dev); - if (chain && chain->flags & NFT_CHAIN_HW_OFFLOAD) { - struct nft_base_chain *basechain; - - basechain = nft_base_chain(chain); - nft_indr_block_ing_cmd(dev, basechain, cb, cb_priv, cmd); - } - mutex_unlock(&net->nft.commit_mutex); -} - static int nft_offload_netdev_event(struct notifier_block *this, unsigned long event, void *ptr) { @@ -614,30 +577,16 @@ static int nft_offload_netdev_event(struct notifier_block *this, return NOTIFY_DONE; } -static struct flow_indr_block_entry block_ing_entry = { - .cb = nft_indr_block_cb, - .list = LIST_HEAD_INIT(block_ing_entry.list), -}; - static struct notifier_block nft_offload_netdev_notifier = { .notifier_call = nft_offload_netdev_event, }; int nft_offload_init(void) { - int err; - - err = register_netdevice_notifier(&nft_offload_netdev_notifier); - if (err < 0) - return err; - - flow_indr_add_block_cb(&block_ing_entry); - - return 0; + return register_netdevice_notifier(&nft_offload_netdev_notifier); } void nft_offload_exit(void) { - flow_indr_del_block_cb(&block_ing_entry); unregister_netdevice_notifier(&nft_offload_netdev_notifier); } diff --git a/net/sched/cls_api.c b/net/sched/cls_api.c index a16cfea7b136..c95d72cac3ad 100644 --- a/net/sched/cls_api.c +++ b/net/sched/cls_api.c @@ -620,78 +620,6 @@ static void tcf_chain_flush(struct tcf_chain *chain, bool rtnl_held) static int tcf_block_setup(struct tcf_block *block, struct flow_block_offload *bo); -static void tc_indr_block_cmd(struct net_device *dev, struct tcf_block *block, - flow_indr_block_bind_cb_t *cb, void *cb_priv, - enum flow_block_command command, bool ingress) -{ - struct flow_block_offload bo = { - .command = command, - .binder_type = ingress ? - FLOW_BLOCK_BINDER_TYPE_CLSACT_INGRESS : - FLOW_BLOCK_BINDER_TYPE_CLSACT_EGRESS, - .net = dev_net(dev), - .block_shared = tcf_block_non_null_shared(block), - }; - INIT_LIST_HEAD(&bo.cb_list); - - if (!block) - return; - - bo.block = &block->flow_block; - - down_write(&block->cb_lock); - cb(dev, cb_priv, TC_SETUP_BLOCK, &bo); - - tcf_block_setup(block, &bo); - up_write(&block->cb_lock); -} - -static struct tcf_block *tc_dev_block(struct net_device *dev, bool ingress) -{ - const struct Qdisc_class_ops *cops; - const struct Qdisc_ops *ops; - struct Qdisc *qdisc; - - if (!dev_ingress_queue(dev)) - return NULL; - - qdisc = dev_ingress_queue(dev)->qdisc_sleeping; - if (!qdisc) - return NULL; - - ops = qdisc->ops; - if (!ops) - return NULL; - - if (!ingress && !strcmp("ingress", ops->id)) - return NULL; - - cops = ops->cl_ops; - if (!cops) - return NULL; - - if (!cops->tcf_block) - return NULL; - - return cops->tcf_block(qdisc, - ingress ? TC_H_MIN_INGRESS : TC_H_MIN_EGRESS, - NULL); -} - -static void tc_indr_block_get_and_cmd(struct net_device *dev, - flow_indr_block_bind_cb_t *cb, - void *cb_priv, - enum flow_block_command command) -{ - struct tcf_block *block; - - block = tc_dev_block(dev, true); - tc_indr_block_cmd(dev, block, cb, cb_priv, command, true); - - block = tc_dev_block(dev, false); - tc_indr_block_cmd(dev, block, cb, cb_priv, command, false); -} - static void tcf_block_offload_init(struct flow_block_offload *bo, struct net_device *dev, enum flow_block_command command, @@ -3751,11 +3679,6 @@ static struct pernet_operations tcf_net_ops = { .size = sizeof(struct tcf_net), }; -static struct flow_indr_block_entry block_entry = { - .cb = tc_indr_block_get_and_cmd, - .list = LIST_HEAD_INIT(block_entry.list), -}; - static int __init tc_filter_init(void) { int err; @@ -3768,8 +3691,6 @@ static int __init tc_filter_init(void) if (err) goto err_register_pernet_subsys; - flow_indr_add_block_cb(&block_entry); - rtnl_register(PF_UNSPEC, RTM_NEWTFILTER, tc_new_tfilter, NULL, RTNL_FLAG_DOIT_UNLOCKED); rtnl_register(PF_UNSPEC, RTM_DELTFILTER, tc_del_tfilter, NULL,