From patchwork Sat Mar 7 11:40:13 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jiri Pirko X-Patchwork-Id: 222882 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=-9.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham 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 2C295C10F26 for ; Sat, 7 Mar 2020 11:40:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id F130F2073C for ; Sat, 7 Mar 2020 11:40:34 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=resnulli-us.20150623.gappssmtp.com header.i=@resnulli-us.20150623.gappssmtp.com header.b="A4WeIwtG" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726264AbgCGLkc (ORCPT ); Sat, 7 Mar 2020 06:40:32 -0500 Received: from mail-wr1-f65.google.com ([209.85.221.65]:33848 "EHLO mail-wr1-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726105AbgCGLkb (ORCPT ); Sat, 7 Mar 2020 06:40:31 -0500 Received: by mail-wr1-f65.google.com with SMTP id z15so5384440wrl.1 for ; Sat, 07 Mar 2020 03:40:29 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=resnulli-us.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=mrpHG9UkjI9atoomHrpT7FnfXqD/Qo8ylYotp+n0sGY=; b=A4WeIwtGHyIzmtZcVV/iHVmzKb/5TMnmbEBj/k2tsWrEz1bFVo0R7/DpUvA9kG6zjj ArrUV707A5eIYK+GO6fV0vyO+MnREJqAd0PcAPN//9DyGr/n9J+SZczEDqSseVJXWMp8 qgvUbIMmRvHwy9P/UeQt4/gbYLduBFo3alM66PTcPkX0YZvjFa9+LmflLCRWG+4Fr/Fc TcyxTLtedrREFSjhqmM5wNdWiHq7BcI+lwDmSTbIF/tw+9FEZFeBtiwxOdPc0z/iN//t JY8s4tkK1KLzsOmAPMwbtmGndXsvc1a5aOyeSMAyTRMpwvMf/00M+s/mcjGCRab5QyV0 u7cg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=mrpHG9UkjI9atoomHrpT7FnfXqD/Qo8ylYotp+n0sGY=; b=U0AmfBtj5r2NoLX7/6+1O0gts0hRdt5ukuw9a+70i6ztPel8aE1bJ1eeyAb65rRwc3 lrSakv3s+/TLVHUN1KVogJPkP5QKlDB/r9o/cfkf5s2Vnf4u4yMaIK/hWqVKp3dEmQdF jokbSo02Y7vODqVpVZnWtE/bgnyr9mDk5TDR5wnxE199V8hSaVLKOhsAi1sh+WHc9+E0 ORn4MJDr6kXRx1upstfRpye+pZLdvIKERgvFCW3K8YMHHBFj5hNCAWafDOtvIlj+G76A OphDwUG7X2Bn0wKoGEkcqCdAPIcxcntCWzvRlGZRs6xh8c9CHabtAeyBPlrkwctE29Ek KSTA== X-Gm-Message-State: ANhLgQ1MXjtcH6CZgPdCizImTsSodkduNjdTJdn6GeNstBnGzXaCipUo qPb7FA7S+vwcB76it9o9uU0QM0aYDQc= X-Google-Smtp-Source: ADFU+vsyPpoWf9+rYciByqh1zAQYpVfQ+GfwsvLUkNoBAF4sz9YTzw7R6SIsRGJDrgGkoIqFI7Fg4A== X-Received: by 2002:adf:f14a:: with SMTP id y10mr9259721wro.325.1583581227744; Sat, 07 Mar 2020 03:40:27 -0800 (PST) Received: from localhost ([85.163.43.78]) by smtp.gmail.com with ESMTPSA id b16sm49500180wrq.14.2020.03.07.03.40.27 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 07 Mar 2020 03:40:27 -0800 (PST) From: Jiri Pirko To: netdev@vger.kernel.org Cc: davem@davemloft.net, kuba@kernel.org, saeedm@mellanox.com, leon@kernel.org, michael.chan@broadcom.com, vishal@chelsio.com, jeffrey.t.kirsher@intel.com, idosch@mellanox.com, aelior@marvell.com, peppe.cavallaro@st.com, alexandre.torgue@st.com, jhs@mojatatu.com, xiyou.wangcong@gmail.com, pablo@netfilter.org, ecree@solarflare.com, mlxsw@mellanox.com Subject: [patch net-next v4 03/10] flow_offload: check for basic action hw stats type Date: Sat, 7 Mar 2020 12:40:13 +0100 Message-Id: <20200307114020.8664-4-jiri@resnulli.us> X-Mailer: git-send-email 2.21.1 In-Reply-To: <20200307114020.8664-1-jiri@resnulli.us> References: <20200307114020.8664-1-jiri@resnulli.us> MIME-Version: 1.0 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Jiri Pirko Introduce flow_action_basic_hw_stats_types_check() helper and use it in drivers. That sanitizes the drivers which do not have support for action HW stats types. Signed-off-by: Jiri Pirko --- v3->v4: - fixed entries iteration in check (s/0/i/) - compare allowed type explicitly to 0 to avoid confusion v2->v3: - added flow_action_hw_stats_types_check() to pass allowed types - "mixed" bool got remove, iterate entries in check - added mlx5 checking instead of separate patches (will be changed by later patch to flow_action_hw_stats_types_check() v1->v2: - new patch --- drivers/net/ethernet/broadcom/bnxt/bnxt_tc.c | 9 ++- .../ethernet/chelsio/cxgb4/cxgb4_tc_flower.c | 8 ++- .../ethernet/chelsio/cxgb4/cxgb4_tc_flower.h | 3 +- .../chelsio/cxgb4/cxgb4_tc_matchall.c | 3 +- .../net/ethernet/marvell/mvpp2/mvpp2_cls.c | 6 ++ .../net/ethernet/mellanox/mlx5/core/en_tc.c | 9 +++ drivers/net/ethernet/mscc/ocelot_flower.c | 4 ++ .../ethernet/netronome/nfp/flower/action.c | 4 ++ .../net/ethernet/qlogic/qede/qede_filter.c | 10 ++- .../net/ethernet/stmicro/stmmac/stmmac_tc.c | 9 ++- include/net/flow_offload.h | 61 +++++++++++++++++++ net/dsa/slave.c | 4 ++ 12 files changed, 119 insertions(+), 11 deletions(-) diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_tc.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_tc.c index 9bec256b0934..523bf4be43cc 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt_tc.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_tc.c @@ -279,7 +279,8 @@ bnxt_tc_parse_pedit(struct bnxt *bp, struct bnxt_tc_actions *actions, static int bnxt_tc_parse_actions(struct bnxt *bp, struct bnxt_tc_actions *actions, - struct flow_action *flow_action) + struct flow_action *flow_action, + struct netlink_ext_ack *extack) { /* Used to store the L2 rewrite mask for dmac (6 bytes) followed by * smac (6 bytes) if rewrite of both is specified, otherwise either @@ -299,6 +300,9 @@ static int bnxt_tc_parse_actions(struct bnxt *bp, return -EINVAL; } + if (!flow_action_basic_hw_stats_types_check(flow_action, extack)) + return -EOPNOTSUPP; + flow_action_for_each(i, act, flow_action) { switch (act->id) { case FLOW_ACTION_DROP: @@ -491,7 +495,8 @@ static int bnxt_tc_parse_flow(struct bnxt *bp, flow->tun_mask.tp_src = match.mask->src; } - return bnxt_tc_parse_actions(bp, &flow->actions, &rule->action); + return bnxt_tc_parse_actions(bp, &flow->actions, &rule->action, + tc_flow_cmd->common.extack); } static int bnxt_hwrm_cfa_flow_free(struct bnxt *bp, diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_flower.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_flower.c index bb5513bdd293..cc46277e98de 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_flower.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_flower.c @@ -544,7 +544,8 @@ static bool valid_pedit_action(struct net_device *dev, } int cxgb4_validate_flow_actions(struct net_device *dev, - struct flow_action *actions) + struct flow_action *actions, + struct netlink_ext_ack *extack) { struct flow_action_entry *act; bool act_redir = false; @@ -552,6 +553,9 @@ int cxgb4_validate_flow_actions(struct net_device *dev, bool act_vlan = false; int i; + if (!flow_action_basic_hw_stats_types_check(actions, extack)) + return -EOPNOTSUPP; + flow_action_for_each(i, act, actions) { switch (act->id) { case FLOW_ACTION_ACCEPT: @@ -642,7 +646,7 @@ int cxgb4_tc_flower_replace(struct net_device *dev, struct filter_ctx ctx; int fidx, ret; - if (cxgb4_validate_flow_actions(dev, &rule->action)) + if (cxgb4_validate_flow_actions(dev, &rule->action, extack)) return -EOPNOTSUPP; if (cxgb4_validate_flow_match(dev, cls)) diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_flower.h b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_flower.h index e132516e9868..0a30c96b81ff 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_flower.h +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_flower.h @@ -112,7 +112,8 @@ void cxgb4_process_flow_actions(struct net_device *in, struct flow_action *actions, struct ch_filter_specification *fs); int cxgb4_validate_flow_actions(struct net_device *dev, - struct flow_action *actions); + struct flow_action *actions, + struct netlink_ext_ack *extack); int cxgb4_tc_flower_replace(struct net_device *dev, struct flow_cls_offload *cls); diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_matchall.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_matchall.c index 1b7681a4eb32..d80dee4d316d 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_matchall.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_matchall.c @@ -286,7 +286,8 @@ int cxgb4_tc_matchall_replace(struct net_device *dev, } ret = cxgb4_validate_flow_actions(dev, - &cls_matchall->rule->action); + &cls_matchall->rule->action, + extack); if (ret) return ret; diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2_cls.c b/drivers/net/ethernet/marvell/mvpp2/mvpp2_cls.c index 35478cba2aa5..0a0c6ec2336c 100644 --- a/drivers/net/ethernet/marvell/mvpp2/mvpp2_cls.c +++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2_cls.c @@ -1082,6 +1082,9 @@ static int mvpp2_port_c2_tcam_rule_add(struct mvpp2_port *port, u8 qh, ql, pmap; int index, ctx; + if (!flow_action_basic_hw_stats_types_check(&rule->flow->action, NULL)) + return -EOPNOTSUPP; + memset(&c2, 0, sizeof(c2)); index = mvpp2_cls_c2_port_flow_index(port, rule->loc); @@ -1305,6 +1308,9 @@ static int mvpp2_cls_rfs_parse_rule(struct mvpp2_rfs_rule *rule) struct flow_rule *flow = rule->flow; struct flow_action_entry *act; + if (!flow_action_basic_hw_stats_types_check(&rule->flow->action, NULL)) + return -EOPNOTSUPP; + act = &flow->action.entries[0]; if (act->id != FLOW_ACTION_QUEUE && act->id != FLOW_ACTION_DROP) return -EOPNOTSUPP; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c index 4eb2f2392d2d..cfe393cb4026 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c @@ -2878,6 +2878,9 @@ static int parse_tc_nic_actions(struct mlx5e_priv *priv, if (!flow_action_has_entries(flow_action)) return -EINVAL; + if (!flow_action_basic_hw_stats_types_check(flow_action, extack)) + return -EOPNOTSUPP; + attr->flow_tag = MLX5_FS_DEFAULT_FLOW_TAG; flow_action_for_each(i, act, flow_action) { @@ -3330,6 +3333,9 @@ static int parse_tc_fdb_actions(struct mlx5e_priv *priv, if (!flow_action_has_entries(flow_action)) return -EINVAL; + if (!flow_action_basic_hw_stats_types_check(flow_action, extack)) + return -EOPNOTSUPP; + flow_action_for_each(i, act, flow_action) { switch (act->id) { case FLOW_ACTION_DROP: @@ -4148,6 +4154,9 @@ static int scan_tc_matchall_fdb_actions(struct mlx5e_priv *priv, return -EOPNOTSUPP; } + if (!flow_action_basic_hw_stats_types_check(flow_action, extack)) + return -EOPNOTSUPP; + flow_action_for_each(i, act, flow_action) { switch (act->id) { case FLOW_ACTION_POLICE: diff --git a/drivers/net/ethernet/mscc/ocelot_flower.c b/drivers/net/ethernet/mscc/ocelot_flower.c index 8986f209e981..6d84173373c7 100644 --- a/drivers/net/ethernet/mscc/ocelot_flower.c +++ b/drivers/net/ethernet/mscc/ocelot_flower.c @@ -17,6 +17,10 @@ static int ocelot_flower_parse_action(struct flow_cls_offload *f, if (!flow_offload_has_one_action(&f->rule->action)) return -EOPNOTSUPP; + if (!flow_action_basic_hw_stats_types_check(&f->rule->action, + f->common.extack)) + return -EOPNOTSUPP; + flow_action_for_each(i, a, &f->rule->action) { switch (a->id) { case FLOW_ACTION_DROP: diff --git a/drivers/net/ethernet/netronome/nfp/flower/action.c b/drivers/net/ethernet/netronome/nfp/flower/action.c index c06600fb47ff..4aa7346cb040 100644 --- a/drivers/net/ethernet/netronome/nfp/flower/action.c +++ b/drivers/net/ethernet/netronome/nfp/flower/action.c @@ -1207,6 +1207,10 @@ int nfp_flower_compile_action(struct nfp_app *app, bool pkt_host = false; u32 csum_updated = 0; + if (!flow_action_basic_hw_stats_types_check(&flow->rule->action, + extack)) + return -EOPNOTSUPP; + memset(nfp_flow->action_data, 0, NFP_FL_MAX_A_SIZ); nfp_flow->meta.act_len = 0; tun_type = NFP_FL_TUNNEL_NONE; diff --git a/drivers/net/ethernet/qlogic/qede/qede_filter.c b/drivers/net/ethernet/qlogic/qede/qede_filter.c index d1ce4531d01a..6505f7e2d1db 100644 --- a/drivers/net/ethernet/qlogic/qede/qede_filter.c +++ b/drivers/net/ethernet/qlogic/qede/qede_filter.c @@ -1746,7 +1746,8 @@ int qede_get_arfs_filter_count(struct qede_dev *edev) } static int qede_parse_actions(struct qede_dev *edev, - struct flow_action *flow_action) + struct flow_action *flow_action, + struct netlink_ext_ack *extack) { const struct flow_action_entry *act; int i; @@ -1756,6 +1757,9 @@ static int qede_parse_actions(struct qede_dev *edev, return -EINVAL; } + if (!flow_action_basic_hw_stats_types_check(flow_action, extack)) + return -EOPNOTSUPP; + flow_action_for_each(i, act, flow_action) { switch (act->id) { case FLOW_ACTION_DROP: @@ -1970,7 +1974,7 @@ int qede_add_tc_flower_fltr(struct qede_dev *edev, __be16 proto, } /* parse tc actions and get the vf_id */ - if (qede_parse_actions(edev, &f->rule->action)) + if (qede_parse_actions(edev, &f->rule->action, f->common.extack)) goto unlock; if (qede_flow_find_fltr(edev, &t)) { @@ -2038,7 +2042,7 @@ static int qede_flow_spec_validate(struct qede_dev *edev, return -EINVAL; } - if (qede_parse_actions(edev, flow_action)) + if (qede_parse_actions(edev, flow_action, NULL)) return -EINVAL; return 0; diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c index 7a01dee2f9a8..a0e6118444b0 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c @@ -367,7 +367,8 @@ static int tc_setup_cbs(struct stmmac_priv *priv, static int tc_parse_flow_actions(struct stmmac_priv *priv, struct flow_action *action, - struct stmmac_flow_entry *entry) + struct stmmac_flow_entry *entry, + struct netlink_ext_ack *extack) { struct flow_action_entry *act; int i; @@ -375,6 +376,9 @@ static int tc_parse_flow_actions(struct stmmac_priv *priv, if (!flow_action_has_entries(action)) return -EINVAL; + if (!flow_action_basic_hw_stats_types_check(action, extack)) + return -EOPNOTSUPP; + flow_action_for_each(i, act, action) { switch (act->id) { case FLOW_ACTION_DROP: @@ -530,7 +534,8 @@ static int tc_add_flow(struct stmmac_priv *priv, return -ENOENT; } - ret = tc_parse_flow_actions(priv, &rule->action, entry); + ret = tc_parse_flow_actions(priv, &rule->action, entry, + cls->common.extack); if (ret) return ret; diff --git a/include/net/flow_offload.h b/include/net/flow_offload.h index 93d17f37e980..8b40f612a565 100644 --- a/include/net/flow_offload.h +++ b/include/net/flow_offload.h @@ -3,6 +3,7 @@ #include #include +#include #include #include @@ -251,6 +252,66 @@ static inline bool flow_offload_has_one_action(const struct flow_action *action) return action->num_entries == 1; } +static inline bool +flow_action_mixed_hw_stats_types_check(const struct flow_action *action, + struct netlink_ext_ack *extack) +{ + const struct flow_action_entry *action_entry; + u8 uninitialized_var(last_hw_stats_type); + int i; + + if (flow_offload_has_one_action(action)) + return true; + + for (i = 0; i < action->num_entries; i++) { + action_entry = &action->entries[i]; + if (i && action_entry->hw_stats_type != last_hw_stats_type) { + NL_SET_ERR_MSG_MOD(extack, "Mixing HW stats types for actions is not supported"); + return false; + } + last_hw_stats_type = action_entry->hw_stats_type; + } + return true; +} + +static inline const struct flow_action_entry * +flow_action_first_entry_get(const struct flow_action *action) +{ + WARN_ON(!flow_action_has_entries(action)); + return &action->entries[0]; +} + +static inline bool +flow_action_hw_stats_types_check(const struct flow_action *action, + struct netlink_ext_ack *extack, + u8 allowed_hw_stats_type) +{ + const struct flow_action_entry *action_entry; + + if (!flow_action_has_entries(action)) + return true; + if (!flow_action_mixed_hw_stats_types_check(action, extack)) + return false; + action_entry = flow_action_first_entry_get(action); + if (allowed_hw_stats_type == 0 && + action_entry->hw_stats_type != FLOW_ACTION_HW_STATS_TYPE_ANY) { + NL_SET_ERR_MSG_MOD(extack, "Driver supports only default HW stats type \"any\""); + return false; + } else if (allowed_hw_stats_type != 0 && + action_entry->hw_stats_type != allowed_hw_stats_type) { + NL_SET_ERR_MSG_MOD(extack, "Driver does not support selected HW stats type"); + return false; + } + return true; +} + +static inline bool +flow_action_basic_hw_stats_types_check(const struct flow_action *action, + struct netlink_ext_ack *extack) +{ + return flow_action_hw_stats_types_check(action, extack, 0); +} + #define flow_action_for_each(__i, __act, __actions) \ for (__i = 0, __act = &(__actions)->entries[0]; __i < (__actions)->num_entries; __act = &(__actions)->entries[++__i]) diff --git a/net/dsa/slave.c b/net/dsa/slave.c index 79d9b4384d7b..fca9bfa8437e 100644 --- a/net/dsa/slave.c +++ b/net/dsa/slave.c @@ -865,6 +865,10 @@ static int dsa_slave_add_cls_matchall(struct net_device *dev, if (!flow_offload_has_one_action(&cls->rule->action)) return err; + if (!flow_action_basic_hw_stats_types_check(&cls->rule->action, + cls->common.extack)) + return err; + act = &cls->rule->action.entries[0]; if (act->id == FLOW_ACTION_MIRRED && protocol == htons(ETH_P_ALL)) {