Thread (6 messages) flat view 6 messages, 4 authors, 2021-12-09

RE: [PATCH] Bluetooth: btqca: sequential validation

From: Sai Teja Aluvala (Temp) (QUIC) <hidden>
Date: 2021-12-09 05:23:27
Also in: linux-arm-msm, lkml


-----Original Message-----
From: Marcel Holtmann <marcel@holtmann.org> 
Sent: Wednesday, December 8, 2021 8:18 PM
To: Sai Teja Aluvala (Temp) (QUIC) <redacted>
Cc: Johan Hedberg <redacted>; Matthias Kaehlcke <mka@chromium.org>; Linux Kernel Mailing List <redacted>; linux-bluetooth <redacted>; Hemant Gupta (QUIC) <redacted>; MSM <redacted>; quic_bgodavar <redacted>; Rocky Liao <redacted>; hbandi@codeaurora.org; Abhishek Pandit-Subedi <abhishekpandit@chromium.org>; Miao-chen Chou <redacted>; PANICKER HARISH (Temp) (QUIC) <redacted>
Subject: Re: [PATCH] Bluetooth: btqca: sequential validation

Hi Sai,
quoted hunk ↗ jump to hunk
This change will have sequential validation support & patch config 
command is added

Signed-off-by: Sai Teja Aluvala <redacted>
---
drivers/bluetooth/btqca.c | 45 
+++++++++++++++++++++++++++++++++++++++++++++
drivers/bluetooth/btqca.h |  3 +++
2 files changed, 48 insertions(+)
diff --git a/drivers/bluetooth/btqca.c b/drivers/bluetooth/btqca.c 
index be04d74..9a2fd17 100644
--- a/drivers/bluetooth/btqca.c
+++ b/drivers/bluetooth/btqca.c
@@ -141,6 +141,49 @@ static int qca_read_fw_build_info(struct hci_dev *hdev)
	return err;
}

+int qca_send_patch_config_cmd(struct hci_dev *hdev, enum 
+qca_btsoc_type soc_type) {
look, I have limited understanding for people ignoring warnings. The missing static declaration is obvious and when you compile the code it will actually tell you about it.
[Sai] : will update in next patch
+	struct sk_buff *skb;
+	int err = 0;
+	u8 cmd[5] = {EDL_PATCH_CONFIG_CMD, 0x01, 0, 0, 0};
const u8 cmd[] = { EDL.., .., 0 };
[sai]: will update in next patch
+	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, 
+EDL_PATCH_CONFIG_CMD_LEN,
sizeof(cmd)
[sai]: will update in next patch
+			cmd, HCI_EV_VENDOR, HCI_INIT_TIMEOUT);
Indentation is wrong.
[sai] : will update in next patch
+	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;
+	}
Extra empty line,
[Sai]: will remove extra line in next patch
+	edl = (struct edl_event_hdr *)(skb->data);
+	if (!edl) {
+		bt_dev_err(hdev, "QCA Patch config with no header");
+		err = -EILSEQ;
+		goto out;
+	}
Here as well.
[Sai]: will remove in next patch
+	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);
Wrong indentation.
[Sai] : will update in next patch.
quoted hunk ↗ jump to hunk
+		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 +594,8 @@ 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, soc_type);
Extra empty line.
If you are not using the soc_type, then don’t add it as parameter.
[Sai] : will remove in next patch.
quoted hunk ↗ jump to hunk
	/* 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..8fbb4c7 100644
--- a/drivers/bluetooth/btqca.h
+++ b/drivers/bluetooth/btqca.h
@@ -13,6 +13,8 @@
#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_LEN	(0x05)
Not needed.
[Sai] : will remove in next patch.
quoted hunk ↗ jump to hunk
+#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 +26,7 @@
#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)
Regards

Marcel
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