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Fri, 15 Jan 2021 16:57:22 +0000 Subject: Re: [PATCHv7 bpf-next] samples/bpf: add xdp program on egress for xdp_redirect_map To: Hangbin Liu , CC: , Daniel Borkmann , Jesper Dangaard Brouer , John Fastabend , =?UTF-8?Q?Toke_H=c3=b8iland-J=c3=b8rgensen?= References: <20210114142732.2595651-1-liuhangbin@gmail.com> <20210115062433.2624893-1-liuhangbin@gmail.com> From: Yonghong Song Message-ID: Date: Fri, 15 Jan 2021 08:57:18 -0800 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:78.0) Gecko/20100101 Thunderbird/78.6.1 In-Reply-To: <20210115062433.2624893-1-liuhangbin@gmail.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-Originating-IP: [2620:10d:c090:400::5:bb30] X-ClientProxiedBy: MW4PR04CA0181.namprd04.prod.outlook.com (2603:10b6:303:86::6) To BYAPR15MB4088.namprd15.prod.outlook.com (2603:10b6:a02:c3::18) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from [IPv6:2620:10d:c085:21c8::1366] (2620:10d:c090:400::5:bb30) by MW4PR04CA0181.namprd04.prod.outlook.com (2603:10b6:303:86::6) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3763.9 via Frontend Transport; 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X-MS-Exchange-AntiSpam-MessageData: =?utf-8?B?N3BYZVJDazg4aXlLTnJCa01JbjB2czhieUpWYUlBSjcrMHphUHY2N3NJU21R?= =?utf-8?B?b3A3bVN4ckIyUzhTRGFrMXZsK1U0Qi95U3ZqVkJacDFNWW1LaWNJbEdQQyts?= =?utf-8?B?Qm9FOTlHLzd5TG5lbkd1ZkNLeGh0Q1lUK05rbUxyc1FOMit2aFhRUHBXTURD?= =?utf-8?B?ckxZc2NCWkdvWlBqbjFFSnRDd25PdEdVbTFvTkpGOGZWRFFHR1d2TXE1cnFk?= =?utf-8?B?UHpBYWtHMlJ0T1lWOW9PNEEzN01hd1F2MU4vdjVmbG1NZ1BXYzFrOGZUMjBF?= =?utf-8?B?TDVPSmtUaFVoMk9sYkYrUlY2bGVVemI2TUI3TFJmU25aZWpnZjFnNnFjcjhp?= =?utf-8?B?cGlJUlVjZ2xMcytpdlAzTjZhOHVROXNzRUhGN1B4UzI0djJTekJtaWRxRnJS?= =?utf-8?B?TkNmbDRmZEVNQitTT1piZklWOWFFK2VnZERRdC95bzlta0Y4cUZyNmZUOCtH?= =?utf-8?B?YjRhMEtlK2Z0MmZaZ3FDdTk5NnNpQXRDOTQ4czdBSGhGRW91WFBtRXV0S0NH?= =?utf-8?B?c2REcFNKd3NFNk8xWkRXc0ZRVEswd0VjVmZ5Q3FKRS9yeWJzMXE2NnJYcGZE?= =?utf-8?B?UEl4NFVUU3BzNW4zMHRiNEhMbmFxbVY0LytNSFhwZGVkc0tHNis3MjdZVHNI?= =?utf-8?B?bTA2SjdQT2graFFHbVhKNkU3UXcvbnpCNXV4MmN3c3RnZHJyYk80Vy8ybHBr?= =?utf-8?B?R0s1YXJtZnBiM1pVRllwbXFmUDlRY3ZiZGVPSUpydTR2ZGFSaEdyelU3UU5X?= =?utf-8?B?L0NJbUQrUXBETWV6ZUVhZTN0d3ZFY1oybHVVbDNFUHN6NTVXeW03Yjh0MTNa?= =?utf-8?B?Z0pHaGhiK0dPaUhucXl0L2FyNytNOWxROGVBbkk2dnVsU0VqMGxmYTJTWHN2?= =?utf-8?B?RU5hNWl0Tndaay9NL295RmFyNE9NaDBJaXpSREZyOEd2bkdxaFc0MUhFM0hD?= =?utf-8?B?dkRaTVVQOFJNZC9ZMnNhMjcyc3NvcENWZFNUUEJWbVRqK3Y3Z25HY0NGSElL?= =?utf-8?B?bEhCajd1Yllxa2NGK1piR28vNVdhU0FyNEcycUR2T3F5bUpTUDRwMEg1enVo?= =?utf-8?B?Mnh4SDltTkdHNmhjK25ZUWVrUEZwMlJPYW1YZDFJcFQ4TEtCKzhBbjU4amds?= =?utf-8?B?Y3Bpc29hMDdCOExnbXY3N3VDUlQ3LzNCZTVRais2dE0zVDlLcUcwZEhLQ0tk?= =?utf-8?B?QXpYNkZ3MHdsYS8xZHJIOTFzYnQzT2RFcXBoa1VOc2Z2eUJEczVIUlptTEJD?= =?utf-8?B?UnR0KzE5cCtSSWtPMXcyOUhBaHd2Q3hQOVdDcHpDL2x4OHpHUXpVT2hxNzZx?= =?utf-8?B?b1pRTkMvRDhsUjNKbHNiczdwaXNuaWZFNmJ1c3J3Z3BrUWxTRUNNNDBsSS9C?= =?utf-8?B?R0tKUHcxU3Rrbnc9PQ==?= X-MS-Exchange-CrossTenant-Network-Message-Id: 1c142dc5-7fa3-4fdf-d937-08d8b976a03f X-MS-Exchange-CrossTenant-AuthSource: BYAPR15MB4088.namprd15.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 15 Jan 2021 16:57:22.0002 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 8ae927fe-1255-47a7-a2af-5f3a069daaa2 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: 3pDzKoJ5rJjVzV7gRwbgc1x6ELp+/YKnfNrnShFDeCO/a5opviTd0nnzmL8P+sTs X-MS-Exchange-Transport-CrossTenantHeadersStamped: BYAPR15MB3365 X-OriginatorOrg: fb.com X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.343,18.0.737 definitions=2021-01-15_09:2021-01-15,2021-01-15 signatures=0 X-Proofpoint-Spam-Details: rule=fb_default_notspam policy=fb_default score=0 lowpriorityscore=0 malwarescore=0 mlxscore=0 adultscore=0 mlxlogscore=905 impostorscore=0 clxscore=1015 spamscore=0 bulkscore=0 phishscore=0 suspectscore=0 priorityscore=1501 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2101150102 X-FB-Internal: deliver Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org On 1/14/21 10:24 PM, Hangbin Liu wrote: > This patch add a xdp program on egress to show that we can modify > the packet on egress. In this sample we will set the pkt's src > mac to egress's mac address. The xdp_prog will be attached when > -X option supplied. > > Signed-off-by: Hangbin Liu Acked-by: Yonghong Song