[{"id":1753301,"web_url":"http://patchwork.ozlabs.org/comment/1753301/","msgid":"<31F2C811-12D1-4A3E-B6F3-D24658BA7024@vmware.com>","list_archive_url":null,"date":"2017-08-21T21:52:51","subject":"Re: [ovs-dev] [PATCH] datapath-windows: Move\n\tOvsCreateNewNBLsFromMultipleNBs to BuggerMgmt","submitter":{"id":69801,"url":"http://patchwork.ozlabs.org/api/people/69801/","name":"Anand Kumar","email":"kumaranand@vmware.com"},"content":"Acked-by: Anand Kumar \n\nThanks,\nAnand Kumar\n\nOn 8/21/17, 2:45 PM, \"ovs-dev-bounces@openvswitch.org on behalf of Shashank Ram\" wrote:\n\n Moves function OvsCreateNewNBLsFromMultipleNBs() to BufferMgmt.c\n to facilitate consumption from outside PacketIO.c.\n \n Signed-off-by: Shashank Ram \n ---\n datapath-windows/ovsext/BufferMgmt.c | 47 ++++++++++++++++++++++++++++++++++++\n datapath-windows/ovsext/BufferMgmt.h | 4 +++\n datapath-windows/ovsext/PacketIO.c | 42 --------------------------------\n 3 files changed, 51 insertions(+), 42 deletions(-)\n \n diff --git a/datapath-windows/ovsext/BufferMgmt.c b/datapath-windows/ovsext/BufferMgmt.c\n index 1ede4a3..5c9e562 100644\n --- a/datapath-windows/ovsext/BufferMgmt.c\n +++ b/datapath-windows/ovsext/BufferMgmt.c\n @@ -1783,3 +1783,50 @@ OvsGetCtxSourcePortNo(PNET_BUFFER_LIST nbl,\n *portNo = ctx->srcPortNo;\n return NDIS_STATUS_SUCCESS;\n }\n +\n +/*\n + * --------------------------------------------------------------------------\n + * OvsCreateNewNBLsFromMultipleNBs --\n + * Creates an NBL chain where each NBL has a single NB,\n + * from an NBL which has multiple NBs.\n + * Sets 'curNbl' and 'lastNbl' to the first and last NBL in the\n + * newly created NBL chain respectively, and completes the original NBL.\n + * --------------------------------------------------------------------------\n + */\n +NTSTATUS\n +OvsCreateNewNBLsFromMultipleNBs(POVS_SWITCH_CONTEXT switchContext,\n + PNET_BUFFER_LIST *curNbl,\n + PNET_BUFFER_LIST *lastNbl)\n +{\n + NTSTATUS status = STATUS_SUCCESS;\n + PNET_BUFFER_LIST newNbls = NULL;\n + PNET_BUFFER_LIST nbl = NULL;\n + BOOLEAN error = TRUE;\n +\n + do {\n + /* Create new NBLs from curNbl with multiple net buffers. */\n + newNbls = OvsPartialCopyToMultipleNBLs(switchContext,\n + *curNbl, 0, 0, TRUE);\n + if (NULL == newNbls) {\n + OVS_LOG_ERROR(\"Failed to allocate NBLs with single NB.\");\n + status = NDIS_STATUS_RESOURCES;\n + break;\n + }\n +\n + nbl = newNbls;\n + while (nbl) {\n + *lastNbl = nbl;\n + nbl = NET_BUFFER_LIST_NEXT_NBL(nbl);\n + }\n +\n + (*curNbl)->Next = NULL;\n +\n + OvsCompleteNBL(switchContext, *curNbl, TRUE);\n +\n + *curNbl = newNbls;\n +\n + error = FALSE;\n + } while (error);\n +\n + return status;\n +}\n diff --git a/datapath-windows/ovsext/BufferMgmt.h b/datapath-windows/ovsext/BufferMgmt.h\n index e6cc0fe..dcf310a 100644\n --- a/datapath-windows/ovsext/BufferMgmt.h\n +++ b/datapath-windows/ovsext/BufferMgmt.h\n @@ -141,4 +141,8 @@ NDIS_STATUS OvsSetCtxSourcePortNo(PNET_BUFFER_LIST nbl, UINT32 portNo);\n \n NDIS_STATUS OvsGetCtxSourcePortNo(PNET_BUFFER_LIST nbl, UINT32 *portNo);\n \n +NTSTATUS OvsCreateNewNBLsFromMultipleNBs(PVOID context,\n + PNET_BUFFER_LIST *curNbl,\n + PNET_BUFFER_LIST *lastNbl);\n +\n #endif /* __BUFFER_MGMT_H_ */\n diff --git a/datapath-windows/ovsext/PacketIO.c b/datapath-windows/ovsext/PacketIO.c\n index 81c574e..38e3e5f 100644\n --- a/datapath-windows/ovsext/PacketIO.c\n +++ b/datapath-windows/ovsext/PacketIO.c\n @@ -46,10 +46,6 @@ extern NDIS_STRING ovsExtFriendlyNameUC;\n static VOID OvsFinalizeCompletionList(OvsCompletionList *completionList);\n static VOID OvsCompleteNBLIngress(POVS_SWITCH_CONTEXT switchContext,\n PNET_BUFFER_LIST netBufferLists, ULONG sendCompleteFlags);\n -static NTSTATUS OvsCreateNewNBLsFromMultipleNBs(\n - POVS_SWITCH_CONTEXT switchContext,\n - PNET_BUFFER_LIST *curNbl,\n - PNET_BUFFER_LIST *lastNbl);\n \n VOID\n OvsInitCompletionList(OvsCompletionList *completionList,\n @@ -500,41 +496,3 @@ OvsExtCancelSendNBL(NDIS_HANDLE filterModuleContext,\n /* All send requests get completed synchronously, so there is no need to\n * implement this callback. */\n }\n -\n -static NTSTATUS\n -OvsCreateNewNBLsFromMultipleNBs(POVS_SWITCH_CONTEXT switchContext,\n - PNET_BUFFER_LIST *curNbl,\n - PNET_BUFFER_LIST *lastNbl)\n -{\n - NTSTATUS status = STATUS_SUCCESS;\n - PNET_BUFFER_LIST newNbls = NULL;\n - PNET_BUFFER_LIST nbl = NULL;\n - BOOLEAN error = TRUE;\n -\n - do {\n - /* Create new NBLs from curNbl with multiple net buffers. */\n - newNbls = OvsPartialCopyToMultipleNBLs(switchContext,\n - *curNbl, 0, 0, TRUE);\n - if (NULL == newNbls) {\n - OVS_LOG_ERROR(\"Failed to allocate NBLs with single NB.\");\n - status = NDIS_STATUS_RESOURCES;\n - break;\n - }\n -\n - nbl = newNbls;\n - while (nbl) {\n - *lastNbl = nbl;\n - nbl = NET_BUFFER_LIST_NEXT_NBL(nbl);\n - }\n -\n - (*curNbl)->Next = NULL;\n -\n - OvsCompleteNBL(switchContext, *curNbl, TRUE);\n -\n - *curNbl = newNbls;\n -\n - error = FALSE;\n - } while (error);\n -\n - return status;\n -}\n --\n 2.9.3.windows.2\n \n _______________________________________________\n dev mailing list\n dev@openvswitch.org\n https://urldefense.proofpoint.com/v2/url?u=https-3A__mail.openvswitch.org_mailman_listinfo_ovs-2Ddev&d=DwICAg&c=uilaK90D4TOVoH58JNXRgQ&r=Q5z9tBe-nAOpE7LIHSPV8uy5-437agMXvkeHHMkR8Us&m=t_wDc_rR7F3izwWXzz2ggoGTVY1ef-5eg6Far3OtVxk&s=Avhf6HHWujbRuxSiVZeev9YkXpvgI3vO_Rry3lpWQTI&e=","headers":{"Return-Path":"","X-Original-To":["incoming@patchwork.ozlabs.org","dev@openvswitch.org"],"Delivered-To":["patchwork-incoming@bilbo.ozlabs.org","ovs-dev@mail.linuxfoundation.org"],"Authentication-Results":["ozlabs.org;\n\tspf=pass (mailfrom) smtp.mailfrom=openvswitch.org\n\t(client-ip=140.211.169.12; helo=mail.linuxfoundation.org;\n\tenvelope-from=ovs-dev-bounces@openvswitch.org;\n\treceiver=)","ozlabs.org;\n\tdkim=fail reason=\"signature verification failed\" (1024-bit key;\n\tunprotected) header.d=onevmw.onmicrosoft.com\n\theader.i=@onevmw.onmicrosoft.com 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hosts)","spamdiagnosticoutput":"1:99","spamdiagnosticmetadata":"NSPM","Content-ID":"<17567B0E4A0A654B9F448C8D4B552198@namprd05.prod.outlook.com>","MIME-Version":"1.0","X-OriginatorOrg":"vmware.com","X-MS-Exchange-CrossTenant-originalarrivaltime":"21 Aug 2017 21:52:51.2485\n\t(UTC)","X-MS-Exchange-CrossTenant-fromentityheader":"Hosted","X-MS-Exchange-CrossTenant-id":"b39138ca-3cee-4b4a-a4d6-cd83d9dd62f0","X-MS-Exchange-Transport-CrossTenantHeadersStamped":"DM2PR05MB622","Subject":"Re: [ovs-dev] [PATCH] datapath-windows: Move\n\tOvsCreateNewNBLsFromMultipleNBs to BuggerMgmt","X-BeenThere":"ovs-dev@openvswitch.org","X-Mailman-Version":"2.1.12","Precedence":"list","List-Id":"","List-Unsubscribe":",\n\t","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n\t","Content-Type":"text/plain; charset=\"us-ascii\"","Content-Transfer-Encoding":"7bit","Sender":"ovs-dev-bounces@openvswitch.org","Errors-To":"ovs-dev-bounces@openvswitch.org"}},{"id":1755634,"web_url":"http://patchwork.ozlabs.org/comment/1755634/","msgid":"<002b01d31c49$c39d4290$4ad7c7b0$@ovn.org>","list_archive_url":null,"date":"2017-08-23T19:55:25","subject":"Re: [ovs-dev] [PATCH] datapath-windows: Move\n\tOvsCreateNewNBLsFromMultipleNBs to BuggerMgmt","submitter":{"id":72181,"url":"http://patchwork.ozlabs.org/api/people/72181/","name":"Alin-Gabriel Serdean","email":"aserdean@ovn.org"},"content":"Thanks Anand and Shashank!\nAcked-by: Alin Gabriel Serdean \n\nI applied this on branch-2.8 and master.\n\nThanks,\nAlin.\n\n> -----Original Message-----\n> From: ovs-dev-bounces@openvswitch.org [mailto:ovs-dev-\n> bounces@openvswitch.org] On Behalf Of Anand Kumar\n> Sent: Tuesday, August 22, 2017 12:53 AM\n> To: Shashank Ram ; dev@openvswitch.org\n> Subject: Re: [ovs-dev] [PATCH] datapath-windows: Move\n> OvsCreateNewNBLsFromMultipleNBs to BuggerMgmt\n> \n> Acked-by: Anand Kumar \n> \n> Thanks,\n> Anand Kumar\n> \n> On 8/21/17, 2:45 PM, \"ovs-dev-bounces@openvswitch.org on behalf of\n> Shashank Ram\" rams@vmware.com> wrote:\n> \n> Moves function OvsCreateNewNBLsFromMultipleNBs() to BufferMgmt.c\n> to facilitate consumption from outside PacketIO.c.\n> \n> Signed-off-by: Shashank Ram \n> ---\n> datapath-windows/ovsext/BufferMgmt.c | 47\n> ++++++++++++++++++++++++++++++++++++\n> datapath-windows/ovsext/BufferMgmt.h | 4 +++\n> datapath-windows/ovsext/PacketIO.c | 42\n--------------------------------\n> 3 files changed, 51 insertions(+), 42 deletions(-)\n> \n> diff --git a/datapath-windows/ovsext/BufferMgmt.c b/datapath-\n> windows/ovsext/BufferMgmt.c\n> index 1ede4a3..5c9e562 100644\n> --- a/datapath-windows/ovsext/BufferMgmt.c\n> +++ b/datapath-windows/ovsext/BufferMgmt.c\n> @@ -1783,3 +1783,50 @@ OvsGetCtxSourcePortNo(PNET_BUFFER_LIST\n> nbl,\n> *portNo = ctx->srcPortNo;\n> return NDIS_STATUS_SUCCESS;\n> }\n> +\n> +/*\n> + *\n--------------------------------------------------------------------------\n> + * OvsCreateNewNBLsFromMultipleNBs --\n> + * Creates an NBL chain where each NBL has a single NB,\n> + * from an NBL which has multiple NBs.\n> + * Sets 'curNbl' and 'lastNbl' to the first and last NBL in the\n> + * newly created NBL chain respectively, and completes the\noriginal\n> NBL.\n> + *\n--------------------------------------------------------------------------\n> + */\n> +NTSTATUS\n> +OvsCreateNewNBLsFromMultipleNBs(POVS_SWITCH_CONTEXT\n> switchContext,\n> + PNET_BUFFER_LIST *curNbl,\n> + PNET_BUFFER_LIST *lastNbl)\n> +{\n> + NTSTATUS status = STATUS_SUCCESS;\n> + PNET_BUFFER_LIST newNbls = NULL;\n> + PNET_BUFFER_LIST nbl = NULL;\n> + BOOLEAN error = TRUE;\n> +\n> + do {\n> + /* Create new NBLs from curNbl with multiple net buffers. */\n> + newNbls = OvsPartialCopyToMultipleNBLs(switchContext,\n> + *curNbl, 0, 0, TRUE);\n> + if (NULL == newNbls) {\n> + OVS_LOG_ERROR(\"Failed to allocate NBLs with single NB.\");\n> + status = NDIS_STATUS_RESOURCES;\n> + break;\n> + }\n> +\n> + nbl = newNbls;\n> + while (nbl) {\n> + *lastNbl = nbl;\n> + nbl = NET_BUFFER_LIST_NEXT_NBL(nbl);\n> + }\n> +\n> + (*curNbl)->Next = NULL;\n> +\n> + OvsCompleteNBL(switchContext, *curNbl, TRUE);\n> +\n> + *curNbl = newNbls;\n> +\n> + error = FALSE;\n> + } while (error);\n> +\n> + return status;\n> +}\n> diff --git a/datapath-windows/ovsext/BufferMgmt.h b/datapath-\n> windows/ovsext/BufferMgmt.h\n> index e6cc0fe..dcf310a 100644\n> --- a/datapath-windows/ovsext/BufferMgmt.h\n> +++ b/datapath-windows/ovsext/BufferMgmt.h\n> @@ -141,4 +141,8 @@ NDIS_STATUS\n> OvsSetCtxSourcePortNo(PNET_BUFFER_LIST nbl, UINT32 portNo);\n> \n> NDIS_STATUS OvsGetCtxSourcePortNo(PNET_BUFFER_LIST nbl, UINT32\n> *portNo);\n> \n> +NTSTATUS OvsCreateNewNBLsFromMultipleNBs(PVOID context,\n> + PNET_BUFFER_LIST *curNbl,\n> + PNET_BUFFER_LIST *lastNbl);\n> +\n> #endif /* __BUFFER_MGMT_H_ */\n> diff --git a/datapath-windows/ovsext/PacketIO.c b/datapath-\n> windows/ovsext/PacketIO.c\n> index 81c574e..38e3e5f 100644\n> --- a/datapath-windows/ovsext/PacketIO.c\n> +++ b/datapath-windows/ovsext/PacketIO.c\n> @@ -46,10 +46,6 @@ extern NDIS_STRING ovsExtFriendlyNameUC;\n> static VOID OvsFinalizeCompletionList(OvsCompletionList\n> *completionList);\n> static VOID OvsCompleteNBLIngress(POVS_SWITCH_CONTEXT\n> switchContext,\n> PNET_BUFFER_LIST netBufferLists, ULONG\nsendCompleteFlags);\n> -static NTSTATUS OvsCreateNewNBLsFromMultipleNBs(\n> - POVS_SWITCH_CONTEXT switchContext,\n> - PNET_BUFFER_LIST *curNbl,\n> - PNET_BUFFER_LIST *lastNbl);\n> \n> VOID\n> OvsInitCompletionList(OvsCompletionList *completionList,\n> @@ -500,41 +496,3 @@ OvsExtCancelSendNBL(NDIS_HANDLE\n> filterModuleContext,\n> /* All send requests get completed synchronously, so there is no\nneed\n> to\n> * implement this callback. */\n> }\n> -\n> -static NTSTATUS\n> -OvsCreateNewNBLsFromMultipleNBs(POVS_SWITCH_CONTEXT\n> switchContext,\n> - PNET_BUFFER_LIST *curNbl,\n> - PNET_BUFFER_LIST *lastNbl)\n> -{\n> - NTSTATUS status = STATUS_SUCCESS;\n> - PNET_BUFFER_LIST newNbls = NULL;\n> - PNET_BUFFER_LIST nbl = NULL;\n> - BOOLEAN error = TRUE;\n> -\n> - do {\n> - /* Create new NBLs from curNbl with multiple net buffers. */\n> - newNbls = OvsPartialCopyToMultipleNBLs(switchContext,\n> - *curNbl, 0, 0, TRUE);\n> - if (NULL == newNbls) {\n> - OVS_LOG_ERROR(\"Failed to allocate NBLs with single NB.\");\n> - status = NDIS_STATUS_RESOURCES;\n> - break;\n> - }\n> -\n> - nbl = newNbls;\n> - while (nbl) {\n> - *lastNbl = nbl;\n> - nbl = NET_BUFFER_LIST_NEXT_NBL(nbl);\n> - }\n> -\n> - (*curNbl)->Next = NULL;\n> -\n> - OvsCompleteNBL(switchContext, *curNbl, TRUE);\n> -\n> - *curNbl = newNbls;\n> -\n> - error = FALSE;\n> - } while (error);\n> -\n> - return status;\n> -}\n> --\n> 2.9.3.windows.2\n> \n> _______________________________________________\n> dev mailing list\n> dev@openvswitch.org\n> https://urldefense.proofpoint.com/v2/url?u=https-\n> 3A__mail.openvswitch.org_mailman_listinfo_ovs-\n> 2Ddev&d=DwICAg&c=uilaK90D4TOVoH58JNXRgQ&r=Q5z9tBe-\n> nAOpE7LIHSPV8uy5-\n> 437agMXvkeHHMkR8Us&m=t_wDc_rR7F3izwWXzz2ggoGTVY1ef-\n> 5eg6Far3OtVxk&s=Avhf6HHWujbRuxSiVZeev9YkXpvgI3vO_Rry3lpWQTI&e=\n> \n> \n> \n> \n> _______________________________________________\n> dev mailing list\n> dev@openvswitch.org\n> https://mail.openvswitch.org/mailman/listinfo/ovs-dev","headers":{"Return-Path":"","X-Original-To":["incoming@patchwork.ozlabs.org","dev@openvswitch.org"],"Delivered-To":["patchwork-incoming@bilbo.ozlabs.org","ovs-dev@mail.linuxfoundation.org"],"Authentication-Results":"ozlabs.org;\n\tspf=pass (mailfrom) smtp.mailfrom=openvswitch.org\n\t(client-ip=140.211.169.12; helo=mail.linuxfoundation.org;\n\tenvelope-from=ovs-dev-bounces@openvswitch.org;\n\treceiver=)","Received":["from mail.linuxfoundation.org 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+0200 (CEST)"],"X-Greylist":"domain auto-whitelisted by SQLgrey-1.7.6","X-Originating-IP":"79.114.23.207","From":"","To":"\"'Anand Kumar'\" ,\n\t\"'Shashank Ram'\" , ","References":"<20170821214523.17860-1-rams@vmware.com>\n\t<31F2C811-12D1-4A3E-B6F3-D24658BA7024@vmware.com>","In-Reply-To":"<31F2C811-12D1-4A3E-B6F3-D24658BA7024@vmware.com>","Date":"Wed, 23 Aug 2017 22:55:25 +0300","Message-ID":"<002b01d31c49$c39d4290$4ad7c7b0$@ovn.org>","MIME-Version":"1.0","X-Mailer":"Microsoft Outlook 16.0","Thread-Index":"AQHTGsffjs3IydTGcEiTJOdAYhKXMKKSXaVQ","Content-Language":"ro","Subject":"Re: [ovs-dev] [PATCH] datapath-windows: Move\n\tOvsCreateNewNBLsFromMultipleNBs to BuggerMgmt","X-BeenThere":"ovs-dev@openvswitch.org","X-Mailman-Version":"2.1.12","Precedence":"list","List-Id":"","List-Unsubscribe":",\n\t","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n\t","Content-Type":"text/plain; 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