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SCL:1; SRVR:AM0PR0502MB4002; H:AM0PR0502MB4019.eurprd05.prod.outlook.com; FPR:; SPF:None; LANG:en; PTR:InfoNoRecords; A:1; MX: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: ZL574wLvHfAEDJhXSl2GFpm3+t9biP+c7DmN41EvYypylHCrmlnnAXiY3EIvpevq247jAO7OtlARbLy8mzHfMWysMMzJ1Jw14X5/kwQo3ybyuPev+0Rsivq6fbAtrIWqYtNvTbh1lVj8CJsb6bzVTAWRsLKJZK/Njj8QQtH3uG/jLb2CuecyoMxn/n4Po14DrZcxC9DH+wutWJzMVDlBQPbSxuJF8y9rO+eDby4z/suR5mxXhoWgKB2MD/IiQ5afoLpnM8VdealM4SBzOoKUJodkiEtlximtMfcVUOmxWFQIJHGU6RhdqFujlw1JF10zlObVo3NF9sth4833tPZ1yXoz0zjtR73YhnX0ZSB3a1AUSOAv3z325yFuNoQpt6xFpUbM3/1sSw6fZpEuKO4Vx+/xJOGPgsP2zHKsJeVMYKg= 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: 1ce7dd98-b8b4-4818-9d8b-08d714cc6290 X-MS-Exchange-CrossTenant-originalarrivaltime: 30 Jul 2019 09:00:35.5393 (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: matan@mellanox.com X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM0PR0502MB4002 Subject: Re: [dpdk-stable] [dpdk-dev] [PATCH 1/2] app/testpmd: fix scatter offload configuration X-BeenThere: stable@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches for DPDK stable branches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: stable-bounces@dpdk.org Sender: "stable" Hi all Any review? > -----Original Message----- > From: dev On Behalf Of Matan Azrad > Sent: Monday, July 29, 2019 3:37 PM > To: Wenzhuo Lu ; Jingjing Wu > > Cc: dev@dpdk.org; stable@dpdk.org > Subject: [dpdk-dev] [PATCH 1/2] app/testpmd: fix scatter offload > configuration >=20 > When the mbuf data size cannot contain the maximum Rx packet length with > the mbuf headroom, a packet should be scattered in more than one mbuf. >=20 > The application did not configure scatter offload in the above case. >=20 > Enable the Rx scatter offload in the above case. >=20 > Fixes: 33f9630fc23d ("app/testpmd: create mbuf based on max supported > segments") > Cc: stable@dpdk.org >=20 > Signed-off-by: Matan Azrad > --- > app/test-pmd/testpmd.c | 11 +++++++++++ > 1 file changed, 11 insertions(+) >=20 > diff --git a/app/test-pmd/testpmd.c b/app/test-pmd/testpmd.c index > 518865a..4ae70ef 100644 > --- a/app/test-pmd/testpmd.c > +++ b/app/test-pmd/testpmd.c > @@ -1191,6 +1191,17 @@ struct extmem_param { > warning =3D 1; > } > } > + if (rx_mode.max_rx_pkt_len + RTE_PKTMBUF_HEADROOM > > > + mbuf_data_size) { > + if (port->dev_info.rx_queue_offload_capa & > + DEV_RX_OFFLOAD_SCATTER) > + port->dev_conf.rxmode.offloads |=3D > + DEV_RX_OFFLOAD_SCATTER; > + else > + TESTPMD_LOG(WARNING, "Configure > scatter is" > + " needed and cannot be > configured" > + " in the port %u\n", pid); > + } > } >=20 > if (warning) > -- > 1.8.3.1