| Message ID | 1639032466-8457-1-git-send-email-quic_saluvala@quicinc.com |
|---|---|
| State | New |
| Headers | show |
| Series | [v2] Bluetooth: btqca: sequential validation | expand |
-----Original Message----- From: Marcel Holtmann <marcel@holtmann.org> Sent: Thursday, December 9, 2021 4:15 PM To: Sai Teja Aluvala (Temp) (QUIC) <quic_saluvala@quicinc.com> Cc: Johan Hedberg <johan.hedberg@gmail.com>; Matthias Kaehlcke <mka@chromium.org>; Linux Kernel Mailing List <linux-kernel@vger.kernel.org>; linux-bluetooth <linux-bluetooth@vger.kernel.org>; Hemant Gupta (QUIC) <quic_hemantg@quicinc.com>; MSM <linux-arm-msm@vger.kernel.org>; quic_bgodavar <quic_bgodavar@quicinc.com>; Rocky Liao <rjliao@codeaurora.org>; hbandi@codeaurora.org; Abhishek Pandit-Subedi <abhishekpandit@chromium.org>; Miao-chen Chou <mcchou@chromium.org>; PANICKER HARISH (Temp) (QUIC) <quic_pharish@quicinc.com> Subject: Re: [PATCH v2] Bluetooth: btqca: sequential validation Hi Sai, > This change will have sequential validation support & patch config > command is added > > Signed-off-by: Sai Teja Aluvala <quic_saluvala@quicinc.com> > --- > drivers/bluetooth/btqca.c | 50 > +++++++++++++++++++++++++++++++++++++++++++++++ > drivers/bluetooth/btqca.h | 2 ++ > 2 files changed, 52 insertions(+) > > diff --git a/drivers/bluetooth/btqca.c b/drivers/bluetooth/btqca.c > index be04d74..633a24c 100644 > --- a/drivers/bluetooth/btqca.c > +++ b/drivers/bluetooth/btqca.c > @@ -141,6 +141,53 @@ static int qca_read_fw_build_info(struct hci_dev *hdev) > return err; > } > > +static int qca_send_patch_config_cmd(struct hci_dev *hdev) { > + struct sk_buff *skb; > + int err = 0; > + u8 cmd[] = {EDL_PATCH_CONFIG_CMD, 0x01, 0, 0, 0}; is there are reason not to address review comments? [Sai] : I will address in next patch const u8 cmd[] = { EDL_PATCH_CONFIG_CMD, 0x01, 0, 0, 0 }; > + u8 rlen = 0x02; > + struct edl_event_hdr *edl; > + u8 rtype = EDL_PATCH_CONFIG_CMD; I missed these two and must have assumed there are used somewhere, rlen and rtype are a waste to be declared. [Sai] : I will delete rlen in next patch. > + > + bt_dev_dbg(hdev, "QCA Patch config"); > + > + skb = __hci_cmd_sync_ev(hdev, EDL_PATCH_CMD_OPCODE, sizeof(cmd), > + cmd, HCI_EV_VENDOR, HCI_INIT_TIMEOUT); > + if (IS_ERR(skb)) { > + err = PTR_ERR(skb); > + bt_dev_err(hdev, "Sending QCA Patch config failed (%d)", err); > + return err; > + } > + > + if (skb->len != rlen) { if (skb->len != 2) { > + bt_dev_err(hdev, "QCA Patch config cmd size mismatch len %d", skb->len); > + err = -EILSEQ; > + goto out; > + } > + > + edl = (struct edl_event_hdr *)(skb->data); > + if (!edl) { > + bt_dev_err(hdev, "QCA Patch config with no header"); > + err = -EILSEQ; > + goto out; > + } > + > + if (edl->cresp != EDL_PATCH_CONFIG_RES_EVT || edl->rtype != rtype) { edl->rtype != EDL_PATCH_CONFIG_CMD) { [Sai] : I will update in next patch. > + bt_dev_err(hdev, "QCA Wrong packet received %d %d", edl->cresp, > + edl->rtype); > + err = -EIO; > + goto out; > + } > + > +out: > + kfree(skb); > + if (err) > + bt_dev_err(hdev, "QCA Patch config cmd failed (%d)", err); > + > + return err; > +} > + Regards Marcel
diff --git a/drivers/bluetooth/btqca.c b/drivers/bluetooth/btqca.c index be04d74..633a24c 100644 --- a/drivers/bluetooth/btqca.c +++ b/drivers/bluetooth/btqca.c @@ -141,6 +141,53 @@ static int qca_read_fw_build_info(struct hci_dev *hdev) return err; } +static int qca_send_patch_config_cmd(struct hci_dev *hdev) +{ + struct sk_buff *skb; + int err = 0; + u8 cmd[] = {EDL_PATCH_CONFIG_CMD, 0x01, 0, 0, 0}; + u8 rlen = 0x02; + struct edl_event_hdr *edl; + u8 rtype = EDL_PATCH_CONFIG_CMD; + + bt_dev_dbg(hdev, "QCA Patch config"); + + skb = __hci_cmd_sync_ev(hdev, EDL_PATCH_CMD_OPCODE, sizeof(cmd), + cmd, HCI_EV_VENDOR, HCI_INIT_TIMEOUT); + if (IS_ERR(skb)) { + err = PTR_ERR(skb); + bt_dev_err(hdev, "Sending QCA Patch config failed (%d)", err); + return err; + } + + if (skb->len != rlen) { + bt_dev_err(hdev, "QCA Patch config cmd size mismatch len %d", skb->len); + err = -EILSEQ; + goto out; + } + + edl = (struct edl_event_hdr *)(skb->data); + if (!edl) { + bt_dev_err(hdev, "QCA Patch config with no header"); + err = -EILSEQ; + goto out; + } + + if (edl->cresp != EDL_PATCH_CONFIG_RES_EVT || edl->rtype != rtype) { + bt_dev_err(hdev, "QCA Wrong packet received %d %d", edl->cresp, + edl->rtype); + err = -EIO; + goto out; + } + +out: + kfree(skb); + if (err) + bt_dev_err(hdev, "QCA Patch config cmd failed (%d)", err); + + return err; +} + static int qca_send_reset(struct hci_dev *hdev) { struct sk_buff *skb; @@ -551,6 +598,9 @@ int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate, */ rom_ver = ((soc_ver & 0x00000f00) >> 0x04) | (soc_ver & 0x0000000f); + if (soc_type == QCA_WCN6750) + qca_send_patch_config_cmd(hdev); + /* Download rampatch file */ config.type = TLV_TYPE_PATCH; if (qca_is_wcn399x(soc_type)) { diff --git a/drivers/bluetooth/btqca.h b/drivers/bluetooth/btqca.h index 30afa77..61e9a50 100644 --- a/drivers/bluetooth/btqca.h +++ b/drivers/bluetooth/btqca.h @@ -13,6 +13,7 @@ #define EDL_PATCH_TLV_REQ_CMD (0x1E) #define EDL_GET_BUILD_INFO_CMD (0x20) #define EDL_NVM_ACCESS_SET_REQ_CMD (0x01) +#define EDL_PATCH_CONFIG_CMD (0x28) #define MAX_SIZE_PER_TLV_SEGMENT (243) #define QCA_PRE_SHUTDOWN_CMD (0xFC08) #define QCA_DISABLE_LOGGING (0xFC17) @@ -24,6 +25,7 @@ #define EDL_CMD_EXE_STATUS_EVT (0x00) #define EDL_SET_BAUDRATE_RSP_EVT (0x92) #define EDL_NVM_ACCESS_CODE_EVT (0x0B) +#define EDL_PATCH_CONFIG_RES_EVT (0x00) #define QCA_DISABLE_LOGGING_SUB_OP (0x14) #define EDL_TAG_ID_HCI (17)
This change will have sequential validation support & patch config command is added Signed-off-by: Sai Teja Aluvala <quic_saluvala@quicinc.com> --- drivers/bluetooth/btqca.c | 50 +++++++++++++++++++++++++++++++++++++++++++++++ drivers/bluetooth/btqca.h | 2 ++ 2 files changed, 52 insertions(+)