[PATCH BlueZ 6/6] tools/btproxy: Add support for ISO packets

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From: Luiz Augusto von Dentz <luiz.von.dentz@xxxxxxxxx>

This enables proxing ISO packets.
---
 tools/btproxy.c | 20 ++++++++++++++++++--
 1 file changed, 18 insertions(+), 2 deletions(-)

diff --git a/tools/btproxy.c b/tools/btproxy.c
index fb67a5735..a98bbb73f 100644
--- a/tools/btproxy.c
+++ b/tools/btproxy.c
@@ -73,14 +73,14 @@ static void hexdump_print(const char *str, void *user_data)
 }
 
 struct proxy {
-	/* Receive commands, ACL and SCO data */
+	/* Receive commands, ACL, SCO and ISO data */
 	int host_fd;
 	uint8_t host_buf[4096];
 	uint16_t host_len;
 	bool host_shutdown;
 	bool host_skip_first_zero;
 
-	/* Receive events, ACL and SCO data */
+	/* Receive events, ACL, SCO and ISO data */
 	int dev_fd;
 	uint8_t dev_buf[4096];
 	uint16_t dev_len;
@@ -296,6 +296,7 @@ static void host_read_callback(int fd, uint32_t events, void *user_data)
 	struct bt_hci_cmd_hdr *cmd_hdr;
 	struct bt_hci_acl_hdr *acl_hdr;
 	struct bt_hci_sco_hdr *sco_hdr;
+	struct bt_hci_iso_hdr *iso_hdr;
 	ssize_t len;
 	uint16_t pktlen;
 
@@ -364,6 +365,13 @@ process_packet:
 		sco_hdr = (void *) (proxy->host_buf + 1);
 		pktlen = 1 + sizeof(*sco_hdr) + sco_hdr->dlen;
 		break;
+	case BT_H4_ISO_PKT:
+		if (proxy->host_len < 1 + sizeof(*iso_hdr))
+			return;
+
+		iso_hdr = (void *) (proxy->host_buf + 1);
+		pktlen = 1 + sizeof(*iso_hdr) + cpu_to_le16(iso_hdr->dlen);
+		break;
 	case 0xff:
 		/* Notification packet from /dev/vhci - ignore */
 		proxy->host_len = 0;
@@ -418,6 +426,7 @@ static void dev_read_callback(int fd, uint32_t events, void *user_data)
 	struct bt_hci_evt_hdr *evt_hdr;
 	struct bt_hci_acl_hdr *acl_hdr;
 	struct bt_hci_sco_hdr *sco_hdr;
+	struct bt_hci_iso_hdr *iso_hdr;
 	ssize_t len;
 	uint16_t pktlen;
 
@@ -476,6 +485,13 @@ process_packet:
 		sco_hdr = (void *) (proxy->dev_buf + 1);
 		pktlen = 1 + sizeof(*sco_hdr) + sco_hdr->dlen;
 		break;
+	case BT_H4_ISO_PKT:
+		if (proxy->dev_len < 1 + sizeof(*iso_hdr))
+			return;
+
+		iso_hdr = (void *) (proxy->dev_buf + 1);
+		pktlen = 1 + sizeof(*iso_hdr) + cpu_to_le16(iso_hdr->dlen);
+		break;
 	default:
 		fprintf(stderr, "Received unknown device packet type 0x%02x\n",
 							proxy->dev_buf[0]);
-- 
2.21.0




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