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GET /api/patches/136547/?format=api
HTTP 200 OK
Allow: GET, PUT, PATCH, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "id": 136547,
    "url": "https://patches.dpdk.org/api/patches/136547/?format=api",
    "web_url": "https://patches.dpdk.org/project/dpdk/patch/20240208171330.31139-6-ajit.khaparde@broadcom.com/",
    "project": {
        "id": 1,
        "url": "https://patches.dpdk.org/api/projects/1/?format=api",
        "name": "DPDK",
        "link_name": "dpdk",
        "list_id": "dev.dpdk.org",
        "list_email": "dev@dpdk.org",
        "web_url": "http://core.dpdk.org",
        "scm_url": "git://dpdk.org/dpdk",
        "webscm_url": "http://git.dpdk.org/dpdk",
        "list_archive_url": "https://inbox.dpdk.org/dev",
        "list_archive_url_format": "https://inbox.dpdk.org/dev/{}",
        "commit_url_format": ""
    },
    "msgid": "<20240208171330.31139-6-ajit.khaparde@broadcom.com>",
    "list_archive_url": "https://inbox.dpdk.org/dev/20240208171330.31139-6-ajit.khaparde@broadcom.com",
    "date": "2024-02-08T17:13:28",
    "name": "[5/7] net/bnxt: adjust session name on multi host system",
    "commit_ref": null,
    "pull_url": null,
    "state": "accepted",
    "archived": true,
    "hash": "34a1ee03877169787109160958736d5ccfff9818",
    "submitter": {
        "id": 501,
        "url": "https://patches.dpdk.org/api/people/501/?format=api",
        "name": "Ajit Khaparde",
        "email": "ajit.khaparde@broadcom.com"
    },
    "delegate": {
        "id": 1766,
        "url": "https://patches.dpdk.org/api/users/1766/?format=api",
        "username": "ajitkhaparde",
        "first_name": "Ajit",
        "last_name": "Khaparde",
        "email": "ajit.khaparde@broadcom.com"
    },
    "mbox": "https://patches.dpdk.org/project/dpdk/patch/20240208171330.31139-6-ajit.khaparde@broadcom.com/mbox/",
    "series": [
        {
            "id": 31055,
            "url": "https://patches.dpdk.org/api/series/31055/?format=api",
            "web_url": "https://patches.dpdk.org/project/dpdk/list/?series=31055",
            "date": "2024-02-08T17:13:23",
            "name": "bnxt bug fixes",
            "version": 1,
            "mbox": "https://patches.dpdk.org/series/31055/mbox/"
        }
    ],
    "comments": "https://patches.dpdk.org/api/patches/136547/comments/",
    "check": "warning",
    "checks": "https://patches.dpdk.org/api/patches/136547/checks/",
    "tags": {},
    "related": [],
    "headers": {
        "Return-Path": "<dev-bounces@dpdk.org>",
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        ],
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        "From": "Ajit Khaparde <ajit.khaparde@broadcom.com>",
        "To": "dev@dpdk.org",
        "Cc": "Shuanglin Wang <shuanglin.wang@broadcom.com>,\n Shahaji Bhosle <sbhosle@broadcom.com>",
        "Subject": "[PATCH 5/7] net/bnxt: adjust session name on multi host system",
        "Date": "Thu,  8 Feb 2024 09:13:28 -0800",
        "Message-Id": "<20240208171330.31139-6-ajit.khaparde@broadcom.com>",
        "X-Mailer": "git-send-email 2.39.2 (Apple Git-143)",
        "In-Reply-To": "<20240208171330.31139-1-ajit.khaparde@broadcom.com>",
        "References": "<20240208171330.31139-1-ajit.khaparde@broadcom.com>",
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        "X-BeenThere": "dev@dpdk.org",
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        "List-Id": "DPDK patches and discussions <dev.dpdk.org>",
        "List-Unsubscribe": "<https://mails.dpdk.org/options/dev>,\n <mailto:dev-request@dpdk.org?subject=unsubscribe>",
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        "Errors-To": "dev-bounces@dpdk.org"
    },
    "content": "From: Shuanglin Wang <shuanglin.wang@broadcom.com>\n\nOn multi-host system, pci-id on PFs are same on each host.\nThe currect code is using the pci-id as the session name to\ncreate a session. This would cause a name confliction on firmware\nthen fw rejects the session creation.\n\nThe patch will change the session name with parent pci_id for\nmulti-host system. This solution works for single PF per EP only.\n\nSigned-off-by: Shuanglin Wang <shuanglin.wang@broadcom.com>\nSigned-off-by: Ajit Khaparde <ajit.khaparde@broadcom.com>\nReviewed-by: Shahaji Bhosle <sbhosle@broadcom.com>\n---\n drivers/net/bnxt/bnxt.h            |  1 +\n drivers/net/bnxt/bnxt_hwrm.c       |  8 +++++\n drivers/net/bnxt/tf_ulp/bnxt_ulp.c | 58 ++++++++++++++++++++++++++++++\n 3 files changed, 67 insertions(+)",
    "diff": "diff --git a/drivers/net/bnxt/bnxt.h b/drivers/net/bnxt/bnxt.h\nindex 3b3df6ba28..4203e6a055 100644\n--- a/drivers/net/bnxt/bnxt.h\n+++ b/drivers/net/bnxt/bnxt.h\n@@ -825,6 +825,7 @@ struct bnxt {\n #define BNXT_TESTPMD_EN(bp)\t\t\t\\\n \t((bp)->flags2 & BNXT_FLAGS2_TESTPMD_EN)\n \n+\tuint16_t\t\tmulti_host_pf_pci_id;\n \tuint16_t\t\tchip_num;\n #define CHIP_NUM_58818\t\t0xd818\n #define BNXT_CHIP_SR2(bp)\t((bp)->chip_num == CHIP_NUM_58818)\ndiff --git a/drivers/net/bnxt/bnxt_hwrm.c b/drivers/net/bnxt/bnxt_hwrm.c\nindex 1d523d6dec..2ceab555a5 100644\n--- a/drivers/net/bnxt/bnxt_hwrm.c\n+++ b/drivers/net/bnxt/bnxt_hwrm.c\n@@ -4207,6 +4207,14 @@ int bnxt_hwrm_parent_pf_qcfg(struct bnxt *bp)\n \tbp->parent->port_id = rte_le_to_cpu_16(resp->port_id);\n \n \tflags = rte_le_to_cpu_16(resp->flags);\n+\n+\t/* check for the mulit-host support */\n+\tif (flags & HWRM_FUNC_QCFG_OUTPUT_FLAGS_MULTI_HOST) {\n+\t\tbp->flags |= BNXT_FLAG_MULTI_HOST;\n+\t\tbp->multi_host_pf_pci_id = resp->pci_id;\n+\t\tPMD_DRV_LOG(INFO, \"Mult-Host system Parent PCI-ID: 0x%x\\n\", resp->pci_id);\n+\t}\n+\n \t/* check for the multi-root support */\n \tif (flags & HWRM_FUNC_QCFG_OUTPUT_FLAGS_MULTI_ROOT) {\n \t\tbp->flags2 |= BNXT_FLAGS2_MULTIROOT_EN;\ndiff --git a/drivers/net/bnxt/tf_ulp/bnxt_ulp.c b/drivers/net/bnxt/tf_ulp/bnxt_ulp.c\nindex b696b6dc3e..274e935a1f 100644\n--- a/drivers/net/bnxt/tf_ulp/bnxt_ulp.c\n+++ b/drivers/net/bnxt/tf_ulp/bnxt_ulp.c\n@@ -641,6 +641,49 @@ ulp_ctx_shared_session_close(struct bnxt *bp,\n \tbnxt_ulp_session_tfp_reset(session, session_type);\n }\n \n+static int32_t\n+ulp_ctx_mh_get_session_name(struct bnxt *bp,\n+\t\t\t    struct tf_open_session_parms *parms)\n+{\n+\tint32_t\trc = 0;\n+\tunsigned int domain = 0, bus = 0, slot = 0, device = 0;\n+\trc = sscanf(parms->ctrl_chan_name,\n+\t\t    \"%x:%x:%x.%u\",\n+\t\t    &domain,\n+\t\t    &bus,\n+\t\t    &slot,\n+\t\t    &device);\n+\tif (rc != 4) {\n+\t\t/* PCI Domain not provided (optional in DPDK), thus we\n+\t\t * force domain to 0 and recheck.\n+\t\t */\n+\t\tdomain = 0;\n+\t\t/* Check parsing of bus/slot/device */\n+\t\trc = sscanf(parms->ctrl_chan_name,\n+\t\t\t    \"%x:%x.%u\",\n+\t\t\t    &bus,\n+\t\t\t    &slot,\n+\t\t\t    &device);\n+\t\tif (rc != 3) {\n+\t\t\tBNXT_TF_DBG(DEBUG,\n+\t\t\t\t    \"Failed to scan device ctrl_chan_name\\n\");\n+\t\t\treturn -EINVAL;\n+\t\t}\n+\t}\n+\n+\t/* change domain name for multi-host system */\n+\tdomain = domain + (0xf & bp->multi_host_pf_pci_id);\n+\tsprintf(parms->ctrl_chan_name,\n+\t\t\"%x:%x:%x.%u\",\n+\t\tdomain,\n+\t\tbus,\n+\t\tslot,\n+\t\tdevice);\n+\tBNXT_TF_DBG(DEBUG,\n+\t\t    \"Session name for Multi-Host: ctrl_chan_name:%s\\n\", parms->ctrl_chan_name);\n+\treturn 0;\n+}\n+\n static int32_t\n ulp_ctx_shared_session_open(struct bnxt *bp,\n \t\t\t    enum bnxt_ulp_session_type session_type,\n@@ -664,6 +707,14 @@ ulp_ctx_shared_session_open(struct bnxt *bp,\n \t\t\t    ethdev->data->port_id, rc);\n \t\treturn rc;\n \t}\n+\n+\t/* On multi-host system, adjust ctrl_chan_name to avoid confliction */\n+\tif (BNXT_MH(bp)) {\n+\t\trc = ulp_ctx_mh_get_session_name(bp, &parms);\n+\t\tif (rc)\n+\t\t\treturn rc;\n+\t}\n+\n \tresources = &parms.resources;\n \n \t/*\n@@ -835,6 +886,13 @@ ulp_ctx_session_open(struct bnxt *bp,\n \t\treturn rc;\n \t}\n \n+\t/* On multi-host system, adjust ctrl_chan_name to avoid confliction */\n+\tif (BNXT_MH(bp)) {\n+\t\trc = ulp_ctx_mh_get_session_name(bp, &params);\n+\t\tif (rc)\n+\t\t\treturn rc;\n+\t}\n+\n \trc = bnxt_ulp_cntxt_app_id_get(bp->ulp_ctx, &app_id);\n \tif (rc) {\n \t\tBNXT_TF_DBG(ERR, \"Unable to get the app id from ulp.\\n\");\n",
    "prefixes": [
        "5/7"
    ]
}