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DIR:OUT; SFP:1101; SCL:1; SRVR:DB3PR0502MB3946; H:DB3PR0502MB3964.eurprd05.prod.outlook.com; FPR:; SPF:None; LANG:en; PTR:InfoNoRecords; MX:1; A:1; received-spf: None (protection.outlook.com: mellanox.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam-message-info: 8Q3NU3m3MKpRps58URv+/SUgBMh2ZDINV8Bz7YVxvyYbQ6noVPJFgBCI0qYCk2+TOe9aDFTcFFs4gHk7GrVEbnlqf721ZPyT8GyHKM4M79A3lRO7ga8Tm/15DNoyBP8w1/mx3QoOfoG6MQyYzDRK3GF4neivxgrxrrtZ2s3KGUhVkanBMApkrucEsfz/iJwi2J23VCtFfN6Qn5gKDAkHOpIBb0z9iDieq0mWLkOwdR3cyIey++LWdvCZha+ffOam5G18PZnRLMmskMiMsL0bWtqswUmVflSt7cDCP21oLo9ytOPoFaZ7BBOnyfnTZlCSfMuUMVAXsgvBZBlwgi5/WcGw15XkTH+obhRKF2JENkvP6BaVZlbHdBTN6HAgfGQgouDoKCFAI0qj8JYjNIWgem58sIVGgRFfhwMNJQ8M0gA= Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: Mellanox.com X-MS-Exchange-CrossTenant-Network-Message-Id: 32b3d9d1-a781-43b5-2a24-08d703990ff4 X-MS-Exchange-CrossTenant-originalarrivaltime: 08 Jul 2019 11:40:22.6875 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: a652971c-7d2e-4d9b-a6a4-d149256f461b X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: rasland@mellanox.com X-MS-Exchange-Transport-CrossTenantHeadersStamped: DB3PR0502MB3946 Subject: Re: [dpdk-dev] [PATCH v2] net/mlx5: zero out UDP csum for IPv6 encap headers X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Hi, > -----Original Message----- > From: Viacheslav Ovsiienko > Sent: Thursday, July 4, 2019 2:16 PM > To: dev@dpdk.org > Cc: Raslan Darawsheh ; Eli Britstein > > Subject: [PATCH v2] net/mlx5: zero out UDP csum for IPv6 encap headers >=20 > From: Eli Britstein >=20 > Mellanox NICs do not support UDP checksum hardware tx offload over IPv6. > This limitation becomes critical for UDP based tunnels like VXLAN. > Beside the UDP checksum validity is required by IPv6 there is an option > in Linux to allow accepting UDP zero sum (see udp6zerocsumrx in iproute2 > package). >=20 > This patch zeroes out the UDP checksum field for encapsulation headers > in raw encap action. >=20 > Signed-off-by: Eli Britstein > Acked-by: Viacheslav Ovsiienko > --- > drivers/net/mlx5/mlx5_flow_dv.c | 46 > +++++++++++++++++++++++++++++++++++++++++ > 1 file changed, 46 insertions(+) >=20 Patch applied to next-net-mlx, Kindest regards, Raslan Darawsheh