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[2003:ea:8f08:4500:fc53:5e22:f926:c43b]) by smtp.googlemail.com with ESMTPSA id d7sm12362542wrs.39.2021.08.22.07.01.21 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sun, 22 Aug 2021 07:01:22 -0700 (PDT) Subject: [PATCH 02/12] sfc: falcon: Search VPD with pci_vpd_find_ro_info_keyword() From: Heiner Kallweit To: Bjorn Helgaas , Edward Cree , Martin Habets , Jakub Kicinski , David Miller Cc: "linux-pci@vger.kernel.org" , SCSI development list , "netdev@vger.kernel.org" References: <1ca29408-7bc7-4da5-59c7-87893c9e0442@gmail.com> Message-ID: <898282a1-13bd-17bc-2e9a-d3dcd336b46c@gmail.com> Date: Sun, 22 Aug 2021 15:49:36 +0200 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101 Thunderbird/78.13.0 MIME-Version: 1.0 In-Reply-To: <1ca29408-7bc7-4da5-59c7-87893c9e0442@gmail.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org This is the same as 37838aa437c7 "sfc: Search VPD with pci_vpd_find_ro_info_keyword()", just for the falcon chip version. Signed-off-by: Heiner Kallweit --- drivers/net/ethernet/sfc/falcon/efx.c | 65 ++++++--------------------- 1 file changed, 14 insertions(+), 51 deletions(-) diff --git a/drivers/net/ethernet/sfc/falcon/efx.c b/drivers/net/ethernet/sfc/falcon/efx.c index 5ab1e863d..423bdf812 100644 --- a/drivers/net/ethernet/sfc/falcon/efx.c +++ b/drivers/net/ethernet/sfc/falcon/efx.c @@ -2785,9 +2785,9 @@ static void ef4_pci_remove(struct pci_dev *pci_dev) static void ef4_probe_vpd_strings(struct ef4_nic *efx) { struct pci_dev *dev = efx->pci_dev; - int ro_start, ro_size, i, j; - unsigned int vpd_size; + unsigned int vpd_size, kw_len; u8 *vpd_data; + int start; vpd_data = pci_vpd_alloc(dev, &vpd_size); if (IS_ERR(vpd_data)) { @@ -2795,57 +2795,20 @@ static void ef4_probe_vpd_strings(struct ef4_nic *efx) return; } - /* Get the Read only section */ - ro_start = pci_vpd_find_tag(vpd_data, vpd_size, PCI_VPD_LRDT_RO_DATA); - if (ro_start < 0) { - netif_err(efx, drv, efx->net_dev, "VPD Read-only not found\n"); - goto out; - } - - ro_size = pci_vpd_lrdt_size(&vpd_data[ro_start]); - j = ro_size; - i = ro_start + PCI_VPD_LRDT_TAG_SIZE; - if (i + j > vpd_size) - j = vpd_size - i; - - /* Get the Part number */ - i = pci_vpd_find_info_keyword(vpd_data, i, j, "PN"); - if (i < 0) { - netif_err(efx, drv, efx->net_dev, "Part number not found\n"); - goto out; - } - - j = pci_vpd_info_field_size(&vpd_data[i]); - i += PCI_VPD_INFO_FLD_HDR_SIZE; - if (i + j > vpd_size) { - netif_err(efx, drv, efx->net_dev, "Incomplete part number\n"); - goto out; - } - - netif_info(efx, drv, efx->net_dev, - "Part Number : %.*s\n", j, &vpd_data[i]); - - i = ro_start + PCI_VPD_LRDT_TAG_SIZE; - j = ro_size; - i = pci_vpd_find_info_keyword(vpd_data, i, j, "SN"); - if (i < 0) { - netif_err(efx, drv, efx->net_dev, "Serial number not found\n"); - goto out; - } - - j = pci_vpd_info_field_size(&vpd_data[i]); - i += PCI_VPD_INFO_FLD_HDR_SIZE; - if (i + j > vpd_size) { - netif_err(efx, drv, efx->net_dev, "Incomplete serial number\n"); - goto out; - } + start = pci_vpd_find_ro_info_keyword(vpd_data, vpd_size, + PCI_VPD_RO_KEYWORD_PARTNO, &kw_len); + if (start < 0) + pci_warn(dev, "Part number not found or incomplete\n"); + else + pci_info(dev, "Part Number : %.*s\n", kw_len, vpd_data + start); - efx->vpd_sn = kmalloc(j + 1, GFP_KERNEL); - if (!efx->vpd_sn) - goto out; + start = pci_vpd_find_ro_info_keyword(vpd_data, vpd_size, + PCI_VPD_RO_KEYWORD_SERIALNO, &kw_len); + if (start < 0) + pci_warn(dev, "Serial number not found or incomplete\n"); + else + efx->vpd_sn = kmemdup_nul(vpd_data + start, kw_len, GFP_KERNEL); - snprintf(efx->vpd_sn, j + 1, "%s", &vpd_data[i]); -out: kfree(vpd_data); } -- 2.33.0