2023-07-13 22:50:23

by Luiz Augusto von Dentz

[permalink] [raw]
Subject: [PATCH 1/2] Bluetooth: af_bluetooth: Make BT_PKT_STATUS generic

From: Luiz Augusto von Dentz <[email protected]>

This makes the handling of BT_PKT_STATUS more generic so it can be
reused by sockets other than SCO like BT_DEFER_SETUP, etc.

Signed-off-by: Luiz Augusto von Dentz <[email protected]>
---
include/net/bluetooth/bluetooth.h | 8 +++-----
include/net/bluetooth/sco.h | 2 --
net/bluetooth/af_bluetooth.c | 8 ++++++--
net/bluetooth/hci_core.c | 2 +-
net/bluetooth/sco.c | 22 ++++------------------
5 files changed, 14 insertions(+), 28 deletions(-)

diff --git a/include/net/bluetooth/bluetooth.h b/include/net/bluetooth/bluetooth.h
index 34998ae8ed78..aa90adc3b2a4 100644
--- a/include/net/bluetooth/bluetooth.h
+++ b/include/net/bluetooth/bluetooth.h
@@ -386,6 +386,7 @@ struct bt_sock {
enum {
BT_SK_DEFER_SETUP,
BT_SK_SUSPEND,
+ BT_SK_PKT_STATUS
};

struct bt_sock_list {
@@ -432,10 +433,6 @@ struct l2cap_ctrl {
struct l2cap_chan *chan;
};

-struct sco_ctrl {
- u8 pkt_status;
-};
-
struct hci_dev;

typedef void (*hci_req_complete_t)(struct hci_dev *hdev, u8 status, u16 opcode);
@@ -466,9 +463,9 @@ struct bt_skb_cb {
u8 force_active;
u16 expect;
u8 incoming:1;
+ u8 pkt_status:2;
union {
struct l2cap_ctrl l2cap;
- struct sco_ctrl sco;
struct hci_ctrl hci;
struct mgmt_ctrl mgmt;
struct scm_creds creds;
@@ -477,6 +474,7 @@ struct bt_skb_cb {
#define bt_cb(skb) ((struct bt_skb_cb *)((skb)->cb))

#define hci_skb_pkt_type(skb) bt_cb((skb))->pkt_type
+#define hci_skb_pkt_status(skb) bt_cb((skb))->pkt_status
#define hci_skb_expect(skb) bt_cb((skb))->expect
#define hci_skb_opcode(skb) bt_cb((skb))->hci.opcode
#define hci_skb_event(skb) bt_cb((skb))->hci.req_event
diff --git a/include/net/bluetooth/sco.h b/include/net/bluetooth/sco.h
index 1aa2e14b6c94..f40ddb4264fc 100644
--- a/include/net/bluetooth/sco.h
+++ b/include/net/bluetooth/sco.h
@@ -46,6 +46,4 @@ struct sco_conninfo {
__u8 dev_class[3];
};

-#define SCO_CMSG_PKT_STATUS 0x01
-
#endif /* __SCO_H */
diff --git a/net/bluetooth/af_bluetooth.c b/net/bluetooth/af_bluetooth.c
index 647afb187147..336a76165454 100644
--- a/net/bluetooth/af_bluetooth.c
+++ b/net/bluetooth/af_bluetooth.c
@@ -333,8 +333,12 @@ int bt_sock_recvmsg(struct socket *sock, struct msghdr *msg, size_t len,
bt_sk(sk)->skb_msg_name(skb, msg->msg_name,
&msg->msg_namelen);

- if (bt_sk(sk)->skb_put_cmsg)
- bt_sk(sk)->skb_put_cmsg(skb, msg, sk);
+ if (test_bit(BT_SK_PKT_STATUS, &bt_sk(sk)->flags)) {
+ u8 pkt_status = hci_skb_pkt_status(skb);
+
+ put_cmsg(msg, SOL_BLUETOOTH, BT_SCM_PKT_STATUS,
+ sizeof(pkt_status), &pkt_status);
+ }
}

skb_free_datagram(sk, skb);
diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index bd90caad4804..0fefa6788911 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -3895,7 +3895,7 @@ static void hci_scodata_packet(struct hci_dev *hdev, struct sk_buff *skb)

if (conn) {
/* Send to upper protocol */
- bt_cb(skb)->sco.pkt_status = flags & 0x03;
+ hci_skb_pkt_status(skb) = flags & 0x03;
sco_recv_scodata(conn, skb);
return;
} else {
diff --git a/net/bluetooth/sco.c b/net/bluetooth/sco.c
index ec6dce488a40..50ad5935ae47 100644
--- a/net/bluetooth/sco.c
+++ b/net/bluetooth/sco.c
@@ -68,7 +68,6 @@ struct sco_pinfo {
bdaddr_t dst;
__u32 flags;
__u16 setting;
- __u8 cmsg_mask;
struct bt_codec codec;
struct sco_conn *conn;
};
@@ -471,15 +470,6 @@ static void sco_sock_close(struct sock *sk)
release_sock(sk);
}

-static void sco_skb_put_cmsg(struct sk_buff *skb, struct msghdr *msg,
- struct sock *sk)
-{
- if (sco_pi(sk)->cmsg_mask & SCO_CMSG_PKT_STATUS)
- put_cmsg(msg, SOL_BLUETOOTH, BT_SCM_PKT_STATUS,
- sizeof(bt_cb(skb)->sco.pkt_status),
- &bt_cb(skb)->sco.pkt_status);
-}
-
static void sco_sock_init(struct sock *sk, struct sock *parent)
{
BT_DBG("sk %p", sk);
@@ -488,8 +478,6 @@ static void sco_sock_init(struct sock *sk, struct sock *parent)
sk->sk_type = parent->sk_type;
bt_sk(sk)->flags = bt_sk(parent)->flags;
security_sk_clone(parent, sk);
- } else {
- bt_sk(sk)->skb_put_cmsg = sco_skb_put_cmsg;
}
}

@@ -907,9 +895,9 @@ static int sco_sock_setsockopt(struct socket *sock, int level, int optname,
}

if (opt)
- sco_pi(sk)->cmsg_mask |= SCO_CMSG_PKT_STATUS;
+ set_bit(BT_SK_PKT_STATUS, &bt_sk(sk)->flags);
else
- sco_pi(sk)->cmsg_mask &= SCO_CMSG_PKT_STATUS;
+ clear_bit(BT_SK_PKT_STATUS, &bt_sk(sk)->flags);
break;

case BT_CODEC:
@@ -1040,7 +1028,6 @@ static int sco_sock_getsockopt(struct socket *sock, int level, int optname,
int len, err = 0;
struct bt_voice voice;
u32 phys;
- int pkt_status;
int buf_len;
struct codec_list *c;
u8 num_codecs, i, __user *ptr;
@@ -1094,9 +1081,8 @@ static int sco_sock_getsockopt(struct socket *sock, int level, int optname,
break;

case BT_PKT_STATUS:
- pkt_status = (sco_pi(sk)->cmsg_mask & SCO_CMSG_PKT_STATUS);
-
- if (put_user(pkt_status, (int __user *)optval))
+ if (put_user(test_bit(BT_SK_PKT_STATUS, &bt_sk(sk)->flags),
+ (int __user *)optval))
err = -EFAULT;
break;

--
2.40.1



2023-07-14 00:06:26

by bluez.test.bot

[permalink] [raw]
Subject: RE: [1/2] Bluetooth: af_bluetooth: Make BT_PKT_STATUS generic

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=765461

---Test result---

Test Summary:
CheckPatch PASS 2.03 seconds
GitLint PASS 0.66 seconds
SubjectPrefix PASS 0.24 seconds
BuildKernel PASS 33.21 seconds
CheckAllWarning PASS 35.81 seconds
CheckSparse WARNING 40.71 seconds
CheckSmatch WARNING 113.41 seconds
BuildKernel32 PASS 31.61 seconds
TestRunnerSetup PASS 479.01 seconds
TestRunner_l2cap-tester PASS 22.34 seconds
TestRunner_iso-tester PASS 39.90 seconds
TestRunner_bnep-tester PASS 10.06 seconds
TestRunner_mgmt-tester PASS 211.52 seconds
TestRunner_rfcomm-tester PASS 15.32 seconds
TestRunner_sco-tester PASS 16.21 seconds
TestRunner_ioctl-tester PASS 16.96 seconds
TestRunner_mesh-tester PASS 12.55 seconds
TestRunner_smp-tester PASS 13.74 seconds
TestRunner_userchan-tester PASS 10.56 seconds
IncrementalBuild PASS 35.20 seconds

Details
##############################
Test: CheckSparse - WARNING
Desc: Run sparse tool with linux kernel
Output:
net/bluetooth/af_bluetooth.c:223:25: warning: context imbalance in 'bt_accept_enqueue' - different lock contexts for basic blocknet/bluetooth/sco.c: note: in included file:./include/net/bluetooth/hci_core.h:150:35: warning: array of flexible structures
##############################
Test: CheckSmatch - WARNING
Desc: Run smatch tool with source
Output:
net/bluetooth/sco.c: note: in included file:./include/net/bluetooth/hci_core.h:150:35: warning: array of flexible structures


---
Regards,
Linux Bluetooth

2023-07-17 20:04:06

by patchwork-bot+bluetooth

[permalink] [raw]
Subject: Re: [PATCH 1/2] Bluetooth: af_bluetooth: Make BT_PKT_STATUS generic

Hello:

This series was applied to bluetooth/bluetooth-next.git (master)
by Luiz Augusto von Dentz <[email protected]>:

On Thu, 13 Jul 2023 15:42:38 -0700 you wrote:
> From: Luiz Augusto von Dentz <[email protected]>
>
> This makes the handling of BT_PKT_STATUS more generic so it can be
> reused by sockets other than SCO like BT_DEFER_SETUP, etc.
>
> Signed-off-by: Luiz Augusto von Dentz <[email protected]>
>
> [...]

Here is the summary with links:
- [1/2] Bluetooth: af_bluetooth: Make BT_PKT_STATUS generic
https://git.kernel.org/bluetooth/bluetooth-next/c/259181ff5785
- [2/2] Bluetooth: ISO: Add support for BT_PKT_STATUS
https://git.kernel.org/bluetooth/bluetooth-next/c/7b36a4f78004

You are awesome, thank you!
--
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html