Message ID | 20210409122405.29850-2-kiran.k@intel.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Series | Enumerate supported codecs and cache the data at driver | expand |
This is automated email and please do not reply to this email! Dear submitter, Thank you for submitting the patches to the linux bluetooth mailing list. This is a CI test results with your patch series: PW Link:https://patchwork.kernel.org/project/bluetooth/list/?series=464373 ---Test result--- ############################## Test: CheckPatch - PASS ############################## Test: CheckGitLint - PASS ############################## Test: CheckBuildK - PASS ############################## Test: CheckTestRunner: Setup - PASS ############################## Test: CheckTestRunner: l2cap-tester - PASS Total: 40, Passed: 34 (85.0%), Failed: 0, Not Run: 6 ############################## Test: CheckTestRunner: bnep-tester - PASS Total: 1, Passed: 1 (100.0%), Failed: 0, Not Run: 0 ############################## Test: CheckTestRunner: mgmt-tester - FAIL Total: 416, Passed: 396 (95.2%), Failed: 6, Not Run: 14 Failed Test Cases Set connectable off (LE) - Success 2 Failed 0.021 seconds Set connectable off (LE) - Success 3 Failed 0.020 seconds Set connectable off (LE) - Success 4 Failed 0.020 seconds Add Advertising - Success 13 (ADV_SCAN_IND) Failed 0.013 seconds Add Advertising - Success 14 (ADV_NONCONN_IND) Failed 0.013 seconds Add Advertising - Success 17 (Connectable -> off) Failed 0.014 seconds ############################## Test: CheckTestRunner: rfcomm-tester - PASS Total: 9, Passed: 9 (100.0%), Failed: 0, Not Run: 0 ############################## Test: CheckTestRunner: sco-tester - PASS Total: 8, Passed: 8 (100.0%), Failed: 0, Not Run: 0 ############################## Test: CheckTestRunner: smp-tester - PASS Total: 8, Passed: 8 (100.0%), Failed: 0, Not Run: 0 ############################## Test: CheckTestRunner: userchan-tester - PASS Total: 3, Passed: 3 (100.0%), Failed: 0, Not Run: 0 --- Regards, Linux Bluetooth
Hi Kiran, On Fri, Apr 9, 2021 at 5:21 AM Kiran K <kiran.k@intel.com> wrote: > > add support to enumerate local supported codec capabilities > > < HCI Command: Read Local Suppor.. (0x04|0x000e) plen 7 > Codec: mSBC (0x05) > Logical Transport Type: 0x00 > Direction: Input (Host to Controller) (0x00) > > HCI Event: Command Complete (0x0e) plen 12 > Read Local Supported Codec Capabilities (0x04|0x000e) ncmd 1 > Status: Success (0x00) > Number of codec capabilities: 1 > Capabilities #0: > 00 00 11 15 02 33 > > Signed-off-by: Kiran K <kiran.k@intel.com> > Signed-off-by: Chethan T N <chethan.tumkur.narayan@intel.com> > Signed-off-by: Srivatsa Ravishankar <ravishankar.srivatsa@intel.com> > --- > include/net/bluetooth/hci.h | 7 +++++ > net/bluetooth/hci_event.c | 56 +++++++++++++++++++++++++++++++++++++ > 2 files changed, 63 insertions(+) > > diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h > index ea4ae551c426..e3f7771fe84f 100644 > --- a/include/net/bluetooth/hci.h > +++ b/include/net/bluetooth/hci.h > @@ -1314,6 +1314,13 @@ struct hci_rp_read_local_pairing_opts { > __u8 max_key_size; > } __packed; > > +#define HCI_OP_READ_LOCAL_CODEC_CAPS 0x100e > +struct hci_op_read_local_codec_caps { > + __u8 codec_id[5]; > + __u8 transport; > + __u8 direction; > +} __packed; > + > #define HCI_OP_READ_PAGE_SCAN_ACTIVITY 0x0c1b > struct hci_rp_read_page_scan_activity { > __u8 status; > diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c > index 016b2999f219..ceed5a5d332b 100644 > --- a/net/bluetooth/hci_event.c > +++ b/net/bluetooth/hci_event.c > @@ -887,6 +887,58 @@ static void hci_cc_read_data_block_size(struct hci_dev *hdev, > hdev->block_cnt, hdev->block_len); > } > > +static void hci_cc_read_local_codecs(struct hci_dev *hdev, > + struct sk_buff *skb) > +{ > + __u8 num_codecs; > + __u8 *ptr; > + struct hci_op_read_local_codec_caps caps; > + > + bt_dev_dbg(hdev, "status 0x%2.2x", skb->data[0]); > + > + if (skb->data[0]) > + return; > + > + /* enumerate standard codecs */ > + skb_pull(skb, 1); After each skb_pull check the expected length against skb->len. > + num_codecs = skb->data[0]; > + > + bt_dev_dbg(hdev, "Number of standard codecs: %u", num_codecs); > + > + skb_pull(skb, 1); Ditto. > + ptr = (__u8 *)skb->data; > + > + skb_pull(skb, num_codecs); > + > + while (num_codecs--) { > + caps.codec_id[0] = *ptr++; Lets just use skb_pull to advance on the codecs ids, that way we can properly check the remaining length with use of skb->len. > + caps.transport = 0x00; > + caps.direction = 0x00; > + > + hci_send_cmd(hdev, HCI_OP_READ_LOCAL_CODEC_CAPS, sizeof(caps), > + &caps); > + } > + > + /* enumerate vendor specific codecs */ > + num_codecs = skb->data[0]; > + skb_pull(skb, 1); > + > + bt_dev_dbg(hdev, "Number of vendor specific codecs: %u", num_codecs); > + > + ptr = (__u8 *)skb->data; > + > + while (num_codecs--) { > + caps.codec_id[0] = 0xFF; > + memcpy(&caps.codec_id[1], ptr, 4); > + ptr += 4; > + caps.transport = 0x00; > + caps.direction = 0x00; > + > + hci_send_cmd(hdev, HCI_OP_READ_LOCAL_CODEC_CAPS, sizeof(caps), > + &caps); > + } > +} > + > static void hci_cc_read_clock(struct hci_dev *hdev, struct sk_buff *skb) > { > struct hci_rp_read_clock *rp = (void *) skb->data; > @@ -3437,6 +3489,10 @@ static void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *skb, > hci_cc_read_data_block_size(hdev, skb); > break; > > + case HCI_OP_READ_LOCAL_CODECS: > + hci_cc_read_local_codecs(hdev, skb); > + break; > + > case HCI_OP_READ_FLOW_CONTROL_MODE: > hci_cc_read_flow_control_mode(hdev, skb); > break; > -- > 2.17.1 >
Hi Luiz, Thanks for the comments. I will fix and send out an updated version. Regards, Kiran > -----Original Message----- > From: Luiz Augusto von Dentz <luiz.dentz@gmail.com> > Sent: Friday, April 9, 2021 10:32 PM > To: K, Kiran <kiran.k@intel.com> > Cc: linux-bluetooth@vger.kernel.org; Srivatsa, Ravishankar > <ravishankar.srivatsa@intel.com>; Tumkur Narayan, Chethan > <chethan.tumkur.narayan@intel.com>; Von Dentz, Luiz > <luiz.von.dentz@intel.com> > Subject: Re: [PATCH v1 1/3] Bluetooth: add support to enumerate codec > capabilities > > Hi Kiran, > > On Fri, Apr 9, 2021 at 5:21 AM Kiran K <kiran.k@intel.com> wrote: > > > > add support to enumerate local supported codec capabilities > > > > < HCI Command: Read Local Suppor.. (0x04|0x000e) plen 7 > > Codec: mSBC (0x05) > > Logical Transport Type: 0x00 > > Direction: Input (Host to Controller) (0x00) > > > HCI Event: Command Complete (0x0e) plen 12 > > Read Local Supported Codec Capabilities (0x04|0x000e) ncmd 1 > > Status: Success (0x00) > > Number of codec capabilities: 1 > > Capabilities #0: > > 00 00 11 15 02 33 > > > > Signed-off-by: Kiran K <kiran.k@intel.com> > > Signed-off-by: Chethan T N <chethan.tumkur.narayan@intel.com> > > Signed-off-by: Srivatsa Ravishankar <ravishankar.srivatsa@intel.com> > > --- > > include/net/bluetooth/hci.h | 7 +++++ > > net/bluetooth/hci_event.c | 56 > +++++++++++++++++++++++++++++++++++++ > > 2 files changed, 63 insertions(+) > > > > diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h > > index ea4ae551c426..e3f7771fe84f 100644 > > --- a/include/net/bluetooth/hci.h > > +++ b/include/net/bluetooth/hci.h > > @@ -1314,6 +1314,13 @@ struct hci_rp_read_local_pairing_opts { > > __u8 max_key_size; > > } __packed; > > > > +#define HCI_OP_READ_LOCAL_CODEC_CAPS 0x100e > > +struct hci_op_read_local_codec_caps { > > + __u8 codec_id[5]; > > + __u8 transport; > > + __u8 direction; > > +} __packed; > > + > > #define HCI_OP_READ_PAGE_SCAN_ACTIVITY 0x0c1b struct > > hci_rp_read_page_scan_activity { > > __u8 status; > > diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c > > index 016b2999f219..ceed5a5d332b 100644 > > --- a/net/bluetooth/hci_event.c > > +++ b/net/bluetooth/hci_event.c > > @@ -887,6 +887,58 @@ static void hci_cc_read_data_block_size(struct > hci_dev *hdev, > > hdev->block_cnt, hdev->block_len); } > > > > +static void hci_cc_read_local_codecs(struct hci_dev *hdev, > > + struct sk_buff *skb) { > > + __u8 num_codecs; > > + __u8 *ptr; > > + struct hci_op_read_local_codec_caps caps; > > + > > + bt_dev_dbg(hdev, "status 0x%2.2x", skb->data[0]); > > + > > + if (skb->data[0]) > > + return; > > + > > + /* enumerate standard codecs */ > > + skb_pull(skb, 1); > > After each skb_pull check the expected length against skb->len. > > > + num_codecs = skb->data[0]; > > + > > + bt_dev_dbg(hdev, "Number of standard codecs: %u", num_codecs); > > + > > + skb_pull(skb, 1); > > Ditto. > > > + ptr = (__u8 *)skb->data; > > + > > + skb_pull(skb, num_codecs); > > + > > + while (num_codecs--) { > > + caps.codec_id[0] = *ptr++; > > Lets just use skb_pull to advance on the codecs ids, that way we can properly > check the remaining length with use of skb->len. > > > + caps.transport = 0x00; > > + caps.direction = 0x00; > > + > > + hci_send_cmd(hdev, HCI_OP_READ_LOCAL_CODEC_CAPS, > sizeof(caps), > > + &caps); > > + } > > + > > + /* enumerate vendor specific codecs */ > > + num_codecs = skb->data[0]; > > + skb_pull(skb, 1); > > + > > + bt_dev_dbg(hdev, "Number of vendor specific codecs: %u", > > + num_codecs); > > + > > + ptr = (__u8 *)skb->data; > > + > > + while (num_codecs--) { > > + caps.codec_id[0] = 0xFF; > > + memcpy(&caps.codec_id[1], ptr, 4); > > + ptr += 4; > > + caps.transport = 0x00; > > + caps.direction = 0x00; > > + > > + hci_send_cmd(hdev, HCI_OP_READ_LOCAL_CODEC_CAPS, > sizeof(caps), > > + &caps); > > + } > > +} > > + > > static void hci_cc_read_clock(struct hci_dev *hdev, struct sk_buff > > *skb) { > > struct hci_rp_read_clock *rp = (void *) skb->data; @@ -3437,6 > > +3489,10 @@ static void hci_cmd_complete_evt(struct hci_dev *hdev, > struct sk_buff *skb, > > hci_cc_read_data_block_size(hdev, skb); > > break; > > > > + case HCI_OP_READ_LOCAL_CODECS: > > + hci_cc_read_local_codecs(hdev, skb); > > + break; > > + > > case HCI_OP_READ_FLOW_CONTROL_MODE: > > hci_cc_read_flow_control_mode(hdev, skb); > > break; > > -- > > 2.17.1 > > > > > -- > Luiz Augusto von Dentz
diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h index ea4ae551c426..e3f7771fe84f 100644 --- a/include/net/bluetooth/hci.h +++ b/include/net/bluetooth/hci.h @@ -1314,6 +1314,13 @@ struct hci_rp_read_local_pairing_opts { __u8 max_key_size; } __packed; +#define HCI_OP_READ_LOCAL_CODEC_CAPS 0x100e +struct hci_op_read_local_codec_caps { + __u8 codec_id[5]; + __u8 transport; + __u8 direction; +} __packed; + #define HCI_OP_READ_PAGE_SCAN_ACTIVITY 0x0c1b struct hci_rp_read_page_scan_activity { __u8 status; diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c index 016b2999f219..ceed5a5d332b 100644 --- a/net/bluetooth/hci_event.c +++ b/net/bluetooth/hci_event.c @@ -887,6 +887,58 @@ static void hci_cc_read_data_block_size(struct hci_dev *hdev, hdev->block_cnt, hdev->block_len); } +static void hci_cc_read_local_codecs(struct hci_dev *hdev, + struct sk_buff *skb) +{ + __u8 num_codecs; + __u8 *ptr; + struct hci_op_read_local_codec_caps caps; + + bt_dev_dbg(hdev, "status 0x%2.2x", skb->data[0]); + + if (skb->data[0]) + return; + + /* enumerate standard codecs */ + skb_pull(skb, 1); + num_codecs = skb->data[0]; + + bt_dev_dbg(hdev, "Number of standard codecs: %u", num_codecs); + + skb_pull(skb, 1); + ptr = (__u8 *)skb->data; + + skb_pull(skb, num_codecs); + + while (num_codecs--) { + caps.codec_id[0] = *ptr++; + caps.transport = 0x00; + caps.direction = 0x00; + + hci_send_cmd(hdev, HCI_OP_READ_LOCAL_CODEC_CAPS, sizeof(caps), + &caps); + } + + /* enumerate vendor specific codecs */ + num_codecs = skb->data[0]; + skb_pull(skb, 1); + + bt_dev_dbg(hdev, "Number of vendor specific codecs: %u", num_codecs); + + ptr = (__u8 *)skb->data; + + while (num_codecs--) { + caps.codec_id[0] = 0xFF; + memcpy(&caps.codec_id[1], ptr, 4); + ptr += 4; + caps.transport = 0x00; + caps.direction = 0x00; + + hci_send_cmd(hdev, HCI_OP_READ_LOCAL_CODEC_CAPS, sizeof(caps), + &caps); + } +} + static void hci_cc_read_clock(struct hci_dev *hdev, struct sk_buff *skb) { struct hci_rp_read_clock *rp = (void *) skb->data; @@ -3437,6 +3489,10 @@ static void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *skb, hci_cc_read_data_block_size(hdev, skb); break; + case HCI_OP_READ_LOCAL_CODECS: + hci_cc_read_local_codecs(hdev, skb); + break; + case HCI_OP_READ_FLOW_CONTROL_MODE: hci_cc_read_flow_control_mode(hdev, skb); break;