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charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: marvell.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: CO6PR18MB4484.namprd18.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: e411ccb5-1e6c-48e3-cf49-08d9e82c835b X-MS-Exchange-CrossTenant-originalarrivaltime: 04 Feb 2022 22:20:12.8423 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 70e1fb47-1155-421d-87fc-2e58f638b6e0 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: FJF5I5kyHN4FDLoTrKB5D5xcfqABxZYAm0tqBNJ30yOx//SyBpsUW4iDTAku67pDutSoGPwMvb436r3ys/ejjA== X-MS-Exchange-Transport-CrossTenantHeadersStamped: BL0PR18MB2193 X-Proofpoint-GUID: y6_oWYYBzQxN62xb19eM6t6mwdE6_9fj X-Proofpoint-ORIG-GUID: y6_oWYYBzQxN62xb19eM6t6mwdE6_9fj X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.816,Hydra:6.0.425,FMLib:17.11.62.513 definitions=2022-02-04_07,2022-02-03_01,2021-12-02_01 X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions <dev.dpdk.org> List-Unsubscribe: <https://mails.dpdk.org/options/dev>, <mailto:dev-request@dpdk.org?subject=unsubscribe> List-Archive: <http://mails.dpdk.org/archives/dev/> List-Post: <mailto:dev@dpdk.org> List-Help: <mailto:dev-request@dpdk.org?subject=help> List-Subscribe: <https://mails.dpdk.org/listinfo/dev>, <mailto:dev-request@dpdk.org?subject=subscribe> Errors-To: dev-bounces@dpdk.org > Subject: [PATCH v4 1/3] ethdev: introduce IP reassembly offload >=20 > IP Reassembly is a costly operation if it is done in software. > The operation becomes even more costlier if IP fragments are encrypted. > However, if it is offloaded to HW, it can considerably save application > cycles. >=20 > Hence, a new offload feature is exposed in eth_dev ops for devices which = can > attempt IP reassembly of packets in hardware. > - rte_eth_ip_reassembly_capability_get() - to get the maximum values > of reassembly configuration which can be set. > - rte_eth_ip_reassembly_conf_set() - to set IP reassembly configuration > and to enable the feature in the PMD (to be called before rte_eth_dev_s= tart()). > - rte_eth_ip_reassembly_conf_get() - to get the current configuration > set in PMD. >=20 > Now when the offload is enabled using rte_eth_ip_reassembly_conf_set(), > the resulting reassembled IP packet would be a typical segmented mbuf in > case of success. >=20 > And if reassembly of IP fragments is failed or is incomplete (if fragment= s do > not come before the reass_timeout, overlap, etc), the mbuf dynamic flags = can > be > updated by the PMD. This is updated in a subsequent patch. >=20 > Signed-off-by: Akhil Goyal <gakhil@marvell.com> > Change-Id: Ic20bb3af1ed599e8f2f3665d2d6c47b2e420e509 Please ignore the change-Id, will remove it in next version, or can be remo= ved while applying if no further comments.