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Miller" , "Jamal Hadi Salim" , Jiri Pirko Subject: [PATCH net-next v2 1/3] net/sched: add vlan push_eth and pop_eth action to the hardware IR Date: Tue, 15 Mar 2022 13:02:09 +0200 Message-ID: <20220315110211.1581468-2-roid@nvidia.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220315110211.1581468-1-roid@nvidia.com> References: <20220315110211.1581468-1-roid@nvidia.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 9c4e6b0b-ac41-4785-83d4-08da06734ef8 X-MS-TrafficTypeDiagnostic: BL1PR12MB5142:EE_ X-Microsoft-Antispam-PRVS: X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:12.22.5.238;CTRY:US;LANG:en;SCL:1;SRV:;IPV:CAL;SFV:NSPM;H:mail.nvidia.com;PTR:InfoNoRecords;CAT:NONE;SFS:(13230001)(4636009)(46966006)(40470700004)(36840700001)(6916009)(54906003)(316002)(36860700001)(40460700003)(6666004)(107886003)(36756003)(26005)(1076003)(186003)(2616005)(83380400001)(81166007)(5660300002)(2906002)(508600001)(356005)(8676002)(86362001)(70586007)(70206006)(82310400004)(8936002)(47076005)(336012)(426003)(4326008)(36900700001);DIR:OUT;SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 15 Mar 2022 11:02:34.1011 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 9c4e6b0b-ac41-4785-83d4-08da06734ef8 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[12.22.5.238];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: CO1NAM11FT060.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BL1PR12MB5142 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Maor Dickman Add vlan push_eth and pop_eth action to the hardware intermediate representation model which would subsequently allow it to be used by drivers for offload. Signed-off-by: Maor Dickman Reviewed-by: Roi Dayan --- include/net/flow_offload.h | 6 ++++++ include/net/tc_act/tc_vlan.h | 10 ++++++++++ net/sched/act_vlan.c | 13 +++++++++++++ 3 files changed, 29 insertions(+) diff --git a/include/net/flow_offload.h b/include/net/flow_offload.h index 92267d23083e..021778a7e1af 100644 --- a/include/net/flow_offload.h +++ b/include/net/flow_offload.h @@ -150,6 +150,8 @@ enum flow_action_id { FLOW_ACTION_PPPOE_PUSH, FLOW_ACTION_JUMP, FLOW_ACTION_PIPE, + FLOW_ACTION_VLAN_PUSH_ETH, + FLOW_ACTION_VLAN_POP_ETH, NUM_FLOW_ACTIONS, }; @@ -211,6 +213,10 @@ struct flow_action_entry { __be16 proto; u8 prio; } vlan; + struct { /* FLOW_ACTION_VLAN_PUSH_ETH */ + unsigned char dst[ETH_ALEN]; + unsigned char src[ETH_ALEN]; + } vlan_push_eth; struct { /* FLOW_ACTION_MANGLE */ /* FLOW_ACTION_ADD */ enum flow_action_mangle_base htype; diff --git a/include/net/tc_act/tc_vlan.h b/include/net/tc_act/tc_vlan.h index f94b8bc26f9e..a97600f742de 100644 --- a/include/net/tc_act/tc_vlan.h +++ b/include/net/tc_act/tc_vlan.h @@ -78,4 +78,14 @@ static inline u8 tcf_vlan_push_prio(const struct tc_action *a) return tcfv_push_prio; } + +static inline void tcf_vlan_push_eth(unsigned char *src, unsigned char *dest, + const struct tc_action *a) +{ + rcu_read_lock(); + memcpy(dest, rcu_dereference(to_vlan(a)->vlan_p)->tcfv_push_dst, ETH_ALEN); + memcpy(dest, rcu_dereference(to_vlan(a)->vlan_p)->tcfv_push_src, ETH_ALEN); + rcu_read_unlock(); +} + #endif /* __NET_TC_VLAN_H */ diff --git a/net/sched/act_vlan.c b/net/sched/act_vlan.c index 756e2dcde1cd..883454c4f921 100644 --- a/net/sched/act_vlan.c +++ b/net/sched/act_vlan.c @@ -390,6 +390,13 @@ static int tcf_vlan_offload_act_setup(struct tc_action *act, void *entry_data, entry->vlan.proto = tcf_vlan_push_proto(act); entry->vlan.prio = tcf_vlan_push_prio(act); break; + case TCA_VLAN_ACT_POP_ETH: + entry->id = FLOW_ACTION_VLAN_POP_ETH; + break; + case TCA_VLAN_ACT_PUSH_ETH: + entry->id = FLOW_ACTION_VLAN_PUSH_ETH; + tcf_vlan_push_eth(entry->vlan_push_eth.src, entry->vlan_push_eth.dst, act); + break; default: return -EOPNOTSUPP; } @@ -407,6 +414,12 @@ static int tcf_vlan_offload_act_setup(struct tc_action *act, void *entry_data, case TCA_VLAN_ACT_MODIFY: fl_action->id = FLOW_ACTION_VLAN_MANGLE; break; + case TCA_VLAN_ACT_POP_ETH: + fl_action->id = FLOW_ACTION_VLAN_POP_ETH; + break; + case TCA_VLAN_ACT_PUSH_ETH: + fl_action->id = FLOW_ACTION_VLAN_PUSH_ETH; + break; default: return -EOPNOTSUPP; } -- 2.34.1