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GET /api/patches/815715/?format=api
{ "id": 815715, "url": "http://patchwork.ozlabs.org/api/patches/815715/?format=api", "web_url": "http://patchwork.ozlabs.org/project/netdev/patch/1505841979-26365-3-git-send-email-Michal.Kalderon@cavium.com/", "project": { "id": 7, "url": "http://patchwork.ozlabs.org/api/projects/7/?format=api", "name": "Linux network development", "link_name": "netdev", "list_id": "netdev.vger.kernel.org", "list_email": "netdev@vger.kernel.org", "web_url": null, "scm_url": null, "webscm_url": null, "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<1505841979-26365-3-git-send-email-Michal.Kalderon@cavium.com>", "list_archive_url": null, "date": "2017-09-19T17:26:17", "name": "[net-next,2/4] qed: Add iWARP out of order support", "commit_ref": null, "pull_url": null, "state": "changes-requested", "archived": true, "hash": "f5082b8725f9200533d9fa45f9ff38f9d009a95d", "submitter": { "id": 69904, "url": "http://patchwork.ozlabs.org/api/people/69904/?format=api", "name": "Michal Kalderon", "email": "Michal.Kalderon@cavium.com" }, "delegate": { "id": 34, "url": "http://patchwork.ozlabs.org/api/users/34/?format=api", "username": "davem", "first_name": "David", "last_name": "Miller", "email": "davem@davemloft.net" }, "mbox": "http://patchwork.ozlabs.org/project/netdev/patch/1505841979-26365-3-git-send-email-Michal.Kalderon@cavium.com/mbox/", "series": [ { "id": 3932, "url": "http://patchwork.ozlabs.org/api/series/3932/?format=api", "web_url": "http://patchwork.ozlabs.org/project/netdev/list/?series=3932", "date": "2017-09-19T17:26:15", "name": "qed: iWARP fixes and enhancements", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/3932/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/815715/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/815715/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<netdev-owner@vger.kernel.org>", "X-Original-To": "patchwork-incoming@ozlabs.org", "Delivered-To": "patchwork-incoming@ozlabs.org", "Authentication-Results": [ "ozlabs.org;\n\tspf=none (mailfrom) smtp.mailfrom=vger.kernel.org\n\t(client-ip=209.132.180.67; helo=vger.kernel.org;\n\tenvelope-from=netdev-owner@vger.kernel.org;\n\treceiver=<UNKNOWN>)", "ozlabs.org; dkim=pass (1024-bit key;\n\tunprotected) header.d=CAVIUMNETWORKS.onmicrosoft.com\n\theader.i=@CAVIUMNETWORKS.onmicrosoft.com header.b=\"Zgg+A4hs\"; \n\tdkim-atps=neutral", "spf=none (sender IP is 50.232.66.26)\n\tsmtp.mailfrom=cavium.com; vger.kernel.org;\n\tdkim=none (message not signed)\n\theader.d=none; vger.kernel.org;\n\tdmarc=none action=none header.from=cavium.com; " ], "Received": [ "from vger.kernel.org (vger.kernel.org [209.132.180.67])\n\tby ozlabs.org (Postfix) with ESMTP id 3xxVF63q2kz9sMN\n\tfor <patchwork-incoming@ozlabs.org>;\n\tWed, 20 Sep 2017 03:27:38 +1000 (AEST)", "(majordomo@vger.kernel.org) by vger.kernel.org via listexpand\n\tid S1751473AbdISR1e (ORCPT 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Kalderon <Michal.Kalderon@cavium.com>", "To": "<davem@davemloft.net>, <netdev@vger.kernel.org>", "CC": "<linux-rdma@vger.kernel.org>, <dledford@redhat.com>,\n\tMichal Kalderon <Michal.Kalderon@cavium.com>,\n\tAriel Elior <Ariel.Elior@cavium.com>", "Subject": "[PATCH net-next 2/4] qed: Add iWARP out of order support", "Date": "Tue, 19 Sep 2017 20:26:17 +0300", "Message-ID": "<1505841979-26365-3-git-send-email-Michal.Kalderon@cavium.com>", "X-Mailer": "git-send-email 1.9.3", "In-Reply-To": "<1505841979-26365-1-git-send-email-Michal.Kalderon@cavium.com>", "References": "<1505841979-26365-1-git-send-email-Michal.Kalderon@cavium.com>", "MIME-Version": "1.0", "Content-Type": "text/plain", "X-EOPAttributedMessage": "0", "X-Forefront-Antispam-Report": "CIP:50.232.66.26; IPV:NLI; CTRY:US; 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PCL:0;\n\tRULEID:(100000700101)(100105000095)(100000701101)(100105300095)(100000702101)(100105100095)(6040450)(2401047)(8121501046)(5005006)(3002001)(100000703101)(100105400095)(93006095)(93001095)(10201501046)(6041248)(20161123558100)(20161123560025)(20161123555025)(20161123564025)(20161123562025)(201703131423075)(201702281528075)(201703061421075)(201703061406153)(6072148)(201708071742011)(100000704101)(100105200095)(100000705101)(100105500095);\n\tSRVR:DM2PR07MB496; BCL:0; PCL:0;\n\tRULEID:(100000800101)(100110000095)(100000801101)(100110300095)(100000802101)(100110100095)(100000803101)(100110400095)(100000804101)(100110200095)(100000805101)(100110500095);\n\tSRVR:DM2PR07MB496; ", "X-Forefront-PRVS": "04359FAD81", "SpamDiagnosticOutput": "1:99", "SpamDiagnosticMetadata": "NSPM", "X-OriginatorOrg": "cavium.com", "X-MS-Exchange-CrossTenant-OriginalArrivalTime": "19 Sep 2017 17:27:25.6190\n\t(UTC)", "X-MS-Exchange-CrossTenant-Id": "711e4ccf-2e9b-4bcf-a551-4094005b6194", "X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp": "TenantId=711e4ccf-2e9b-4bcf-a551-4094005b6194;\n\tIp=[50.232.66.26]; Helo=[CAEXCH02.caveonetworks.com]", "X-MS-Exchange-CrossTenant-FromEntityHeader": "HybridOnPrem", "X-MS-Exchange-Transport-CrossTenantHeadersStamped": "DM2PR07MB496", "Sender": "netdev-owner@vger.kernel.org", "Precedence": "bulk", "List-ID": "<netdev.vger.kernel.org>", "X-Mailing-List": "netdev@vger.kernel.org" }, "content": "iWARP requires OOO support which is already provided by the ll2\ninterface (until now was used only for iSCSI offload).\nThe changes mostly include opening a ll2 dedicated connection for\nOOO and notifiying the FW about the handle id.\n\nSigned-off-by: Michal Kalderon <Michal.Kalderon@cavium.com>\nSigned-off-by: Ariel Elior <Ariel.Elior@cavium.com>\n---\n drivers/net/ethernet/qlogic/qed/qed_iwarp.c | 44 +++++++++++++++++++++++++++++\n drivers/net/ethernet/qlogic/qed/qed_iwarp.h | 11 +++++++-\n drivers/net/ethernet/qlogic/qed/qed_rdma.c | 7 +++--\n 3 files changed, 59 insertions(+), 3 deletions(-)", "diff": "diff --git a/drivers/net/ethernet/qlogic/qed/qed_iwarp.c b/drivers/net/ethernet/qlogic/qed/qed_iwarp.c\nindex 9d989c9..568e985 100644\n--- a/drivers/net/ethernet/qlogic/qed/qed_iwarp.c\n+++ b/drivers/net/ethernet/qlogic/qed/qed_iwarp.c\n@@ -41,6 +41,7 @@\n #include \"qed_rdma.h\"\n #include \"qed_reg_addr.h\"\n #include \"qed_sp.h\"\n+#include \"qed_ooo.h\"\n \n #define QED_IWARP_ORD_DEFAULT\t\t32\n #define QED_IWARP_IRD_DEFAULT\t\t32\n@@ -119,6 +120,13 @@ static void qed_iwarp_cid_cleaned(struct qed_hwfn *p_hwfn, u32 cid)\n \tspin_unlock_bh(&p_hwfn->p_rdma_info->lock);\n }\n \n+void qed_iwarp_init_fw_ramrod(struct qed_hwfn *p_hwfn,\n+\t\t\t struct iwarp_init_func_params *p_ramrod)\n+{\n+\tp_ramrod->ll2_ooo_q_index = RESC_START(p_hwfn, QED_LL2_QUEUE) +\n+\t\t\t\t p_hwfn->p_rdma_info->iwarp.ll2_ooo_handle;\n+}\n+\n static int qed_iwarp_alloc_cid(struct qed_hwfn *p_hwfn, u32 *cid)\n {\n \tint rc;\n@@ -1876,6 +1884,16 @@ static int qed_iwarp_ll2_stop(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)\n \t\tiwarp_info->ll2_syn_handle = QED_IWARP_HANDLE_INVAL;\n \t}\n \n+\tif (iwarp_info->ll2_ooo_handle != QED_IWARP_HANDLE_INVAL) {\n+\t\trc = qed_ll2_terminate_connection(p_hwfn,\n+\t\t\t\t\t\t iwarp_info->ll2_ooo_handle);\n+\t\tif (rc)\n+\t\t\tDP_INFO(p_hwfn, \"Failed to terminate ooo connection\\n\");\n+\n+\t\tqed_ll2_release_connection(p_hwfn, iwarp_info->ll2_ooo_handle);\n+\t\tiwarp_info->ll2_ooo_handle = QED_IWARP_HANDLE_INVAL;\n+\t}\n+\n \tqed_llh_remove_mac_filter(p_hwfn,\n \t\t\t\t p_ptt, p_hwfn->p_rdma_info->iwarp.mac_addr);\n \treturn rc;\n@@ -1927,10 +1945,12 @@ static int qed_iwarp_ll2_stop(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)\n \tstruct qed_iwarp_info *iwarp_info;\n \tstruct qed_ll2_acquire_data data;\n \tstruct qed_ll2_cbs cbs;\n+\tu16 n_ooo_bufs;\n \tint rc = 0;\n \n \tiwarp_info = &p_hwfn->p_rdma_info->iwarp;\n \tiwarp_info->ll2_syn_handle = QED_IWARP_HANDLE_INVAL;\n+\tiwarp_info->ll2_ooo_handle = QED_IWARP_HANDLE_INVAL;\n \n \tiwarp_info->max_mtu = params->max_mtu;\n \n@@ -1978,6 +1998,29 @@ static int qed_iwarp_ll2_stop(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)\n \tif (rc)\n \t\tgoto err;\n \n+\t/* Start OOO connection */\n+\tdata.input.conn_type = QED_LL2_TYPE_OOO;\n+\tdata.input.mtu = params->max_mtu;\n+\n+\tn_ooo_bufs = (QED_IWARP_MAX_OOO * QED_IWARP_RCV_WND_SIZE_DEF) /\n+\t\t iwarp_info->max_mtu;\n+\tn_ooo_bufs = min_t(u32, n_ooo_bufs, QED_IWARP_LL2_OOO_MAX_RX_SIZE);\n+\n+\tdata.input.rx_num_desc = n_ooo_bufs;\n+\tdata.input.rx_num_ooo_buffers = n_ooo_bufs;\n+\n+\tdata.input.tx_max_bds_per_packet = 1;\t/* will never be fragmented */\n+\tdata.input.tx_num_desc = QED_IWARP_LL2_OOO_DEF_TX_SIZE;\n+\tdata.p_connection_handle = &iwarp_info->ll2_ooo_handle;\n+\n+\trc = qed_ll2_acquire_connection(p_hwfn, &data);\n+\tif (rc)\n+\t\tgoto err;\n+\n+\trc = qed_ll2_establish_connection(p_hwfn, iwarp_info->ll2_ooo_handle);\n+\tif (rc)\n+\t\tgoto err;\n+\n \treturn rc;\n err:\n \tqed_iwarp_ll2_stop(p_hwfn, p_ptt);\n@@ -2014,6 +2057,7 @@ int qed_iwarp_setup(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt,\n \n \tqed_spq_register_async_cb(p_hwfn, PROTOCOLID_IWARP,\n \t\t\t\t qed_iwarp_async_event);\n+\tqed_ooo_setup(p_hwfn);\n \n \treturn qed_iwarp_ll2_start(p_hwfn, params, p_ptt);\n }\ndiff --git a/drivers/net/ethernet/qlogic/qed/qed_iwarp.h b/drivers/net/ethernet/qlogic/qed/qed_iwarp.h\nindex 148ef3c..9e2bfde 100644\n--- a/drivers/net/ethernet/qlogic/qed/qed_iwarp.h\n+++ b/drivers/net/ethernet/qlogic/qed/qed_iwarp.h\n@@ -47,7 +47,12 @@ enum qed_iwarp_qp_state {\n #define QED_IWARP_LL2_SYN_TX_SIZE (128)\n #define QED_IWARP_LL2_SYN_RX_SIZE (256)\n #define QED_IWARP_MAX_SYN_PKT_SIZE (128)\n-#define QED_IWARP_HANDLE_INVAL\t\t\t(0xff)\n+\n+#define QED_IWARP_LL2_OOO_DEF_TX_SIZE (256)\n+#define QED_IWARP_MAX_OOO\t\t(16)\n+#define QED_IWARP_LL2_OOO_MAX_RX_SIZE (16384)\n+\n+#define QED_IWARP_HANDLE_INVAL\t\t(0xff)\n \n struct qed_iwarp_ll2_buff {\n \tvoid *data;\n@@ -67,6 +72,7 @@ struct qed_iwarp_info {\n \tu8 crc_needed;\n \tu8 tcp_flags;\n \tu8 ll2_syn_handle;\n+\tu8 ll2_ooo_handle;\n \tu8 peer2peer;\n \tenum mpa_negotiation_mode mpa_rev;\n \tenum mpa_rtr_type rtr_type;\n@@ -147,6 +153,9 @@ struct qed_iwarp_listener {\n int qed_iwarp_setup(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt,\n \t\t struct qed_rdma_start_in_params *params);\n \n+void qed_iwarp_init_fw_ramrod(struct qed_hwfn *p_hwfn,\n+\t\t\t struct iwarp_init_func_params *p_ramrod);\n+\n int qed_iwarp_stop(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt);\n \n void qed_iwarp_resc_free(struct qed_hwfn *p_hwfn);\ndiff --git a/drivers/net/ethernet/qlogic/qed/qed_rdma.c b/drivers/net/ethernet/qlogic/qed/qed_rdma.c\nindex 06715f7..4f46f28 100644\n--- a/drivers/net/ethernet/qlogic/qed/qed_rdma.c\n+++ b/drivers/net/ethernet/qlogic/qed/qed_rdma.c\n@@ -551,10 +551,13 @@ static int qed_rdma_start_fw(struct qed_hwfn *p_hwfn,\n \tif (rc)\n \t\treturn rc;\n \n-\tif (QED_IS_IWARP_PERSONALITY(p_hwfn))\n+\tif (QED_IS_IWARP_PERSONALITY(p_hwfn)) {\n+\t\tqed_iwarp_init_fw_ramrod(p_hwfn,\n+\t\t\t\t\t &p_ent->ramrod.iwarp_init_func.iwarp);\n \t\tp_ramrod = &p_ent->ramrod.iwarp_init_func.rdma;\n-\telse\n+\t} else {\n \t\tp_ramrod = &p_ent->ramrod.roce_init_func.rdma;\n+\t}\n \n \tp_params_header = &p_ramrod->params_header;\n \tp_params_header->cnq_start_offset = (u8)RESC_START(p_hwfn,\n", "prefixes": [ "net-next", "2/4" ] }