From patchwork Wed Aug 23 14:12:11 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shreyansh Jain X-Patchwork-Id: 27810 Return-Path: X-Original-To: patchwork@dpdk.org Delivered-To: patchwork@dpdk.org Received: from [92.243.14.124] (localhost [IPv6:::1]) by dpdk.org (Postfix) with ESMTP id 4E7F69B39; Wed, 23 Aug 2017 16:03:44 +0200 (CEST) Received: from NAM03-BY2-obe.outbound.protection.outlook.com (mail-by2nam03on0066.outbound.protection.outlook.com [104.47.42.66]) by dpdk.org (Postfix) with ESMTP id D37B89A11 for ; Wed, 23 Aug 2017 16:03:42 +0200 (CEST) Received: from CY1PR03CA0029.namprd03.prod.outlook.com (10.174.128.39) by MWHPR03MB3327.namprd03.prod.outlook.com (10.174.249.145) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1362.18; Wed, 23 Aug 2017 14:03:41 +0000 Received: from BY2FFO11FD035.protection.gbl (2a01:111:f400:7c0c::132) by CY1PR03CA0029.outlook.office365.com (2603:10b6:600::39) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1362.18 via Frontend Transport; Wed, 23 Aug 2017 14:03:41 +0000 Authentication-Results: spf=fail (sender IP is 192.88.168.50) smtp.mailfrom=nxp.com; nxp.com; dkim=none (message not signed) header.d=none;nxp.com; dmarc=fail action=none header.from=nxp.com; Received-SPF: Fail (protection.outlook.com: domain of nxp.com does not designate 192.88.168.50 as permitted sender) receiver=protection.outlook.com; client-ip=192.88.168.50; helo=tx30smr01.am.freescale.net; Received: from tx30smr01.am.freescale.net (192.88.168.50) by BY2FFO11FD035.mail.protection.outlook.com (10.1.14.220) with Microsoft SMTP Server (version=TLS1_0, cipher=TLS_RSA_WITH_AES_256_CBC_SHA) id 15.1.1341.15 via Frontend Transport; Wed, 23 Aug 2017 14:03:40 +0000 Received: from Tophie.ap.freescale.net ([10.232.14.39]) by tx30smr01.am.freescale.net (8.14.3/8.14.0) with ESMTP id v7NE2Q3O004389; Wed, 23 Aug 2017 07:03:38 -0700 From: Shreyansh Jain To: CC: , Date: Wed, 23 Aug 2017 19:42:11 +0530 Message-ID: <20170823141213.25476-39-shreyansh.jain@nxp.com> X-Mailer: git-send-email 2.9.3 In-Reply-To: <20170823141213.25476-1-shreyansh.jain@nxp.com> References: <1499179471-19145-1-git-send-email-shreyansh.jain@nxp.com> <20170823141213.25476-1-shreyansh.jain@nxp.com> X-EOPAttributedMessage: 0 X-Matching-Connectors: 131479706205455742; (91ab9b29-cfa4-454e-5278-08d120cd25b8); () X-Forefront-Antispam-Report: CIP:192.88.168.50; IPV:NLI; CTRY:US; EFV:NLI; SFV:NSPM; SFS:(10009020)(6009001)(336005)(39860400002)(39380400002)(2980300002)(1109001)(1110001)(339900001)(189002)(199003)(36756003)(5003940100001)(189998001)(47776003)(77096006)(68736007)(6916009)(305945005)(626005)(575784001)(2950100002)(86362001)(6666003)(104016004)(5660300001)(85426001)(8676002)(356003)(81156014)(81166006)(50466002)(4326008)(97736004)(76176999)(1076002)(8656003)(106466001)(2906002)(50986999)(2351001)(54906002)(50226002)(105606002)(48376002)(33646002)(53936002)(110136004)(498600001)(8936002)(83323001); DIR:OUT; SFP:1101; SCL:1; SRVR:MWHPR03MB3327; H:tx30smr01.am.freescale.net; FPR:; SPF:Fail; PTR:InfoDomainNonexistent; MX:1; A:1; LANG:en; X-Microsoft-Exchange-Diagnostics: 1; BY2FFO11FD035; 1:6kJ6O3qW9v4hhg9hH8qJ8mSMEcW1frrp27k2ZGEr2SW9gvnSimoaDOZ9pkSbY4tHkokD6ZIRowmh/PBRuc8720PTXcCboKxOggK/ssPHPxvn+hVY1fI08tOq+oFAZP7i MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: e7195a79-5371-4d7b-857e-08d4ea2fc203 X-Microsoft-Antispam: UriScan:; BCL:0; PCL:0; RULEID:(300000500095)(300135000095)(300000501095)(300135300095)(22001)(300000502095)(300135100095)(300000503095)(300135400095)(2017052603031)(201703131430075)(201703131517081)(300000504095)(300135200095)(300000505095)(300135600095)(300000506095)(300135500095); SRVR:MWHPR03MB3327; X-Microsoft-Exchange-Diagnostics: 1; MWHPR03MB3327; 3:UqfO0X1pbGlZSfbfaxmLITZ2xWiLdHv/N401Si9Ax4lXWR/RBV/cd481Edam97e2i3aeXVjOkgqQDC60uWRi7smtKvyJ5pz4vWsmlUJ7zVCIDPJnm2GY3cB4rRNHIQbOp2o9ZjbPwcsHeFeFlKeVnSuDlNdLrXH+tWZF419nbuRIafPLvxosmkNLrLoNkeR5aFidft+SLUN29Ox5Gs9/r3dFXtjg0xyP9NR1uuKaxxAEDg0kBedacHxYv0hIjlgrhF0u21gb4iL3YjFuIwYYq8sn6A9yAB+sSPq3+MYmdQlBPJR+RGtO5G65ylxew7k4ak6AzCA86aRqH5DljlNEO2Py7u+KWmre4Y5LOIVS6Dg=; 25:3D8TUyHqATcdS3Q1TPys1OSPMHJNkV60xOnnZGMLjFo+yPQiV6OTBMem23M13rpZyU1ps7OeGIQf4M3pn6VbTelbpwfVTPYnDf76TH3cKzrlkk1U1OEvcM+yAqUvbkv3TH3ZWO04D55i1maOLbIdHxZYapqk7xs1tfsd//JXI2ZsgfA7bX1CpK1jafLxiEjaV/JVAa9JAhnwvKnk1mvgFMVXlVb00YEjeqxIIETGMIauIj1wdovtypwL2hIt89Xw8x2oMjRMV3RJ80nlhq8K++C3gUxZo6gmfHSMtUu5nfvOaOey21dY2AvEy5MnTh+FzF04QyUGMIusZumKKXY3/g== X-MS-TrafficTypeDiagnostic: MWHPR03MB3327: X-Microsoft-Exchange-Diagnostics: 1; MWHPR03MB3327; 31:zimtXNg4lldRfkptIzMjUMPuo0rgTdPjjGSNNteOYGontfchiLraUrWK/1qTPKMltO2DQGxxkMRwSJUwtfCTSJwg/D60XuY5aGGx2I9KbOkJTRR7rFtG6Rc1dpma+LmHXsZdCNq8srFIl8hK2YB6M0i688VMdYvn9vA8G0ankWESCu12phpPzbO5BlhcDryxC9A97Lb06bBylmqjnuZ2fy2VkbZMhSmmSBUyV6v3Wtw=; 4:xBUB8EGKyxiewY5mhsaugp4Gq+8DWda3sigt3Sd7LVBmKaNU0mT9nQ++aE7Jh6nMORnfxaSh36GbGACi+tRSBLtVf6/76rhzaxdpy2kVz1AT5NQbljLPZKrkp/DAlUP6OxQibuuCvJDQpmV5PphmSXdpvefnAulMnNBu5ARE+Gu2lxyXCl5C5H9nGJgiy5LY2ctSDrR0tdty/wAmiLO4eshtC7I0W7OvKkgp0QuKLLJgmY3NCLMi0U+sW1C8IoXw2rMORxmrW/tIAB0kKobFtq+gt9xe/+lQoPzqKa+Pltg= X-Exchange-Antispam-Report-Test: UriScan:(185117386973197); X-Microsoft-Antispam-PRVS: X-Exchange-Antispam-Report-CFA-Test: BCL:0; PCL:0; RULEID:(100000700101)(100105000095)(100000701101)(100105300095)(100000702101)(100105100095)(6095135)(601004)(2401047)(13018025)(8121501046)(5005006)(13016025)(10201501046)(100000703101)(100105400095)(93006095)(93001095)(3002001)(6055026)(6096035)(20161123561025)(20161123556025)(20161123563025)(20161123559100)(201703131430075)(201703131433075)(201703131441075)(201703131448075)(201703161259150)(20161123565025)(201708071742011)(100000704101)(100105200095)(100000705101)(100105500095); SRVR:MWHPR03MB3327; BCL:0; PCL:0; RULEID:(100000800101)(100110000095)(100000801101)(100110300095)(100000802101)(100110100095)(100000803101)(100110400095)(400006)(100000804101)(100110200095)(100000805101)(100110500095); SRVR:MWHPR03MB3327; X-Forefront-PRVS: 040866B734 X-Microsoft-Exchange-Diagnostics: =?us-ascii?Q?1; MWHPR03MB3327; 23:L+5Uchof/RoGObb2AYXL43uzsMVR7DL64oRL4rOeW?= 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 X-Microsoft-Exchange-Diagnostics: 1; MWHPR03MB3327; 6:Bje5Mj4InCs4SwFwLysYsotxqfj7/41TKy4k7t2Tbjlz9xiMg1qTUG0duqyZFr4IC9gJaT0YukcKNi395qMb7GNtuNGbqS8P90ca6bfPxsZPinQgMq1xVJnUj/9CNoF1jNE/bhEasbcOKcawx8N/lzlg6YITJLI0lMoDXiKGfIRGWVdk75b+eubBP49kjRCx/PxR0Rq/jBVARdDkuaBpQ30TLrf8YM1EUl1TMUDUa2mcDy07kVWkBuyN87Sw0mIbQYI5oaKifviyIy4rd9iw3uNxTC0nIVR9LkY8GuZztcODcNwdchNduP+/10K3l67SYEibVAInBlg1DnrqUC0SWQ==; 5:ywWu59tDrpC+BU0L/KSxqCTE6m8i4kGDhxi0iIq+UhlymiVTNDYudh6sDq514brD96V4N+JqqW3VLzeNNXPeHjQ3vDsvnYWagPLHmVVqYXHApmYFtmyv9t/97JlDGfm5q7t1DvfhNHfwxNqaU3InyQ==; 24:25iyBw1TNW4y3jiyR3/RclGGsrvSkeLMBDoU/B4lHvW8hVsjPJ03kv2QaWhfbx03Wp/6OT7je2n28bckztIpxl2BZo96SUCCbPbHV/SmHu4=; 7:VbPaSZHyMaeMXhUPe/goZkJc1LgIaQzs6WwHRlCaRtB/mxaq7l/42b4O1ztM8MzqC2DolYKgjq31aSAYTz4X8QKUVtaLjmgQlRdVwkrVJ91RURWsLBaWiCyXM7tcRucEDSWG6jTyhI8CNL3uT9AhpfNJk15yzLK02ymMXatCAjjOiFuGMsoyTIn8VgFPqvszXSMq6B8Ih+tLUWLdeYLCyMgedWL3n90o2YQ2y9QRD9I= SpamDiagnosticOutput: 1:99 SpamDiagnosticMetadata: NSPM X-MS-Exchange-CrossTenant-OriginalArrivalTime: 23 Aug 2017 14:03:40.3583 (UTC) X-MS-Exchange-CrossTenant-Id: 5afe0b00-7697-4969-b663-5eab37d5f47e X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=5afe0b00-7697-4969-b663-5eab37d5f47e; Ip=[192.88.168.50]; Helo=[tx30smr01.am.freescale.net] X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: MWHPR03MB3327 Subject: [dpdk-dev] [PATCH v3 38/40] net/dpaa: add support for Scattered Rx 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" Signed-off-by: Hemant Agrawal Signed-off-by: Shreyansh Jain --- doc/guides/nics/features/dpaa.ini | 1 + drivers/net/dpaa/dpaa_rxtx.c | 158 ++++++++++++++++++++++++++++++++++++++ drivers/net/dpaa/dpaa_rxtx.h | 9 +++ 3 files changed, 168 insertions(+) diff --git a/doc/guides/nics/features/dpaa.ini b/doc/guides/nics/features/dpaa.ini index 23626c0..0e7956c 100644 --- a/doc/guides/nics/features/dpaa.ini +++ b/doc/guides/nics/features/dpaa.ini @@ -8,6 +8,7 @@ Speed capabilities = P Link status = Y Jumbo frame = Y MTU update = Y +Scattered Rx = Y Promiscuous mode = Y Allmulticast mode = Y Unicast MAC filter = Y diff --git a/drivers/net/dpaa/dpaa_rxtx.c b/drivers/net/dpaa/dpaa_rxtx.c index 0f43bb4..064f0da 100644 --- a/drivers/net/dpaa/dpaa_rxtx.c +++ b/drivers/net/dpaa/dpaa_rxtx.c @@ -276,18 +276,82 @@ static inline void dpaa_checksum_offload(struct rte_mbuf *mbuf, fd->cmd = DPAA_FD_CMD_RPD | DPAA_FD_CMD_DTC; } +struct rte_mbuf * +dpaa_eth_sg_to_mbuf(struct qm_fd *fd, uint32_t ifid) +{ + struct dpaa_bp_info *bp_info = DPAA_BPID_TO_POOL_INFO(fd->bpid); + struct rte_mbuf *first_seg, *prev_seg, *cur_seg, *temp; + struct qm_sg_entry *sgt, *sg_temp; + void *vaddr, *sg_vaddr; + int i = 0; + uint8_t fd_offset = fd->offset; + + DPAA_RX_LOG(DEBUG, "Received an SG frame"); + + vaddr = rte_dpaa_mem_ptov(qm_fd_addr(fd)); + if (!vaddr) { + DPAA_PMD_ERR("unable to convert physical address"); + return NULL; + } + sgt = vaddr + fd_offset; + sg_temp = &sgt[i++]; + hw_sg_to_cpu(sg_temp); + temp = (struct rte_mbuf *)((char *)vaddr - bp_info->meta_data_size); + sg_vaddr = rte_dpaa_mem_ptov(qm_sg_entry_get64(sg_temp)); + + first_seg = (struct rte_mbuf *)((char *)sg_vaddr - + bp_info->meta_data_size); + first_seg->data_off = sg_temp->offset; + first_seg->data_len = sg_temp->length; + first_seg->pkt_len = sg_temp->length; + rte_mbuf_refcnt_set(first_seg, 1); + + first_seg->port = ifid; + first_seg->nb_segs = 1; + first_seg->ol_flags = 0; + prev_seg = first_seg; + while (i < DPAA_SGT_MAX_ENTRIES) { + sg_temp = &sgt[i++]; + hw_sg_to_cpu(sg_temp); + sg_vaddr = rte_dpaa_mem_ptov(qm_sg_entry_get64(sg_temp)); + cur_seg = (struct rte_mbuf *)((char *)sg_vaddr - + bp_info->meta_data_size); + cur_seg->data_off = sg_temp->offset; + cur_seg->data_len = sg_temp->length; + first_seg->pkt_len += sg_temp->length; + first_seg->nb_segs += 1; + rte_mbuf_refcnt_set(cur_seg, 1); + prev_seg->next = cur_seg; + if (sg_temp->final) { + cur_seg->next = NULL; + break; + } + prev_seg = cur_seg; + } + + dpaa_eth_packet_info(first_seg, (uint64_t)vaddr); + rte_pktmbuf_free_seg(temp); + + return first_seg; +} + static inline struct rte_mbuf *dpaa_eth_fd_to_mbuf(struct qm_fd *fd, uint32_t ifid) { struct dpaa_bp_info *bp_info = DPAA_BPID_TO_POOL_INFO(fd->bpid); struct rte_mbuf *mbuf; void *ptr; + uint8_t format = + (fd->opaque & DPAA_FD_FORMAT_MASK) >> DPAA_FD_FORMAT_SHIFT; uint16_t offset = (fd->opaque & DPAA_FD_OFFSET_MASK) >> DPAA_FD_OFFSET_SHIFT; uint32_t length = fd->opaque & DPAA_FD_LENGTH_MASK; DPAA_RX_LOG(DEBUG, " FD--->MBUF"); + if (unlikely(format == qm_fd_sg)) + return dpaa_eth_sg_to_mbuf(fd, ifid); + /* Ignoring case when format != qm_fd_contig */ ptr = rte_dpaa_mem_ptov(fd->addr); /* Ignoring case when ptr would be NULL. That is only possible incase @@ -390,6 +454,94 @@ static struct rte_mbuf *dpaa_get_dmable_mbuf(struct rte_mbuf *mbuf, return dpaa_mbuf; } +int +dpaa_eth_mbuf_to_sg_fd(struct rte_mbuf *mbuf, + struct qm_fd *fd, + uint32_t bpid) +{ + struct rte_mbuf *cur_seg = mbuf, *prev_seg = NULL; + struct dpaa_bp_info *bp_info = DPAA_BPID_TO_POOL_INFO(bpid); + struct rte_mbuf *temp, *mi; + struct qm_sg_entry *sg_temp, *sgt; + int i = 0; + + DPAA_TX_LOG(DEBUG, "Creating SG FD to transmit"); + + temp = rte_pktmbuf_alloc(bp_info->mp); + if (!temp) { + DPAA_PMD_ERR("Failure in allocation of mbuf"); + return -1; + } + if (temp->buf_len < ((mbuf->nb_segs * sizeof(struct qm_sg_entry)) + + temp->data_off)) { + DPAA_PMD_ERR("Insufficient space in mbuf for SG entries"); + return -1; + } + + fd->cmd = 0; + fd->opaque_addr = 0; + + if (mbuf->ol_flags & DPAA_TX_CKSUM_OFFLOAD_MASK) { + if (temp->data_off < DEFAULT_TX_ICEOF + + sizeof(struct dpaa_eth_parse_results_t)) + temp->data_off = DEFAULT_TX_ICEOF + + sizeof(struct dpaa_eth_parse_results_t); + dcbz_64(temp->buf_addr); + dpaa_checksum_offload(mbuf, fd, temp->buf_addr); + } + + sgt = temp->buf_addr + temp->data_off; + fd->format = QM_FD_SG; + fd->addr = temp->buf_physaddr; + fd->offset = temp->data_off; + fd->bpid = bpid; + fd->length20 = mbuf->pkt_len; + + while (i < DPAA_SGT_MAX_ENTRIES) { + sg_temp = &sgt[i++]; + sg_temp->opaque = 0; + sg_temp->val = 0; + sg_temp->addr = cur_seg->buf_physaddr; + sg_temp->offset = cur_seg->data_off; + sg_temp->length = cur_seg->data_len; + if (RTE_MBUF_DIRECT(cur_seg)) { + if (rte_mbuf_refcnt_read(cur_seg) > 1) { + /*If refcnt > 1, invalid bpid is set to ensure + * buffer is not freed by HW. + */ + sg_temp->bpid = 0xff; + rte_mbuf_refcnt_update(cur_seg, -1); + } else + sg_temp->bpid = + DPAA_MEMPOOL_TO_BPID(cur_seg->pool); + cur_seg = cur_seg->next; + } else { + /* Get owner MBUF from indirect buffer */ + mi = rte_mbuf_from_indirect(cur_seg); + if (rte_mbuf_refcnt_read(mi) > 1) { + /*If refcnt > 1, invalid bpid is set to ensure + * owner buffer is not freed by HW. + */ + sg_temp->bpid = 0xff; + } else { + sg_temp->bpid = DPAA_MEMPOOL_TO_BPID(mi->pool); + rte_mbuf_refcnt_update(mi, 1); + } + prev_seg = cur_seg; + cur_seg = cur_seg->next; + prev_seg->next = NULL; + rte_pktmbuf_free(prev_seg); + } + if (cur_seg == NULL) { + sg_temp->final = 1; + cpu_to_hw_sg(sg_temp); + break; + } + cpu_to_hw_sg(sg_temp); + } + return 0; +} + /* Handle mbufs which are not segmented (non SG) */ static inline void tx_on_dpaa_pool_unsegmented(struct rte_mbuf *mbuf, @@ -460,6 +612,12 @@ tx_on_dpaa_pool(struct rte_mbuf *mbuf, if (mbuf->nb_segs == 1) { /* Case for non-segmented buffers */ tx_on_dpaa_pool_unsegmented(mbuf, bp_info, fd_arr); + } else if (mbuf->nb_segs > 1 && + mbuf->nb_segs <= DPAA_SGT_MAX_ENTRIES) { + if (dpaa_eth_mbuf_to_sg_fd(mbuf, fd_arr, bp_info->bpid)) { + DPAA_PMD_DEBUG("Unable to create Scatter Gather FD"); + return 1; + } } else { DPAA_PMD_DEBUG("Number of Segments not supported"); return 1; diff --git a/drivers/net/dpaa/dpaa_rxtx.h b/drivers/net/dpaa/dpaa_rxtx.h index 624ddda..351fc00 100644 --- a/drivers/net/dpaa/dpaa_rxtx.h +++ b/drivers/net/dpaa/dpaa_rxtx.h @@ -58,6 +58,8 @@ /* L4 Type field: TCP */ #define DPAA_L4_PARSE_RESULT_TCP 0x20 +#define DPAA_SGT_MAX_ENTRIES 16 /* maximum number of entries in SG Table */ + #define DPAA_MAX_DEQUEUE_NUM_FRAMES 63 /**