From 01573e231f18eb2d99162747186f59511f56b64d Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 08 Dec 2023 10:40:48 +0000
Subject: [PATCH] 移去rt
---
kernel/net/bluetooth/hci_sock.c | 70 +++++++++++++++++++++++++----------
1 files changed, 50 insertions(+), 20 deletions(-)
diff --git a/kernel/net/bluetooth/hci_sock.c b/kernel/net/bluetooth/hci_sock.c
index 3ba0c6d..53f85d7 100644
--- a/kernel/net/bluetooth/hci_sock.c
+++ b/kernel/net/bluetooth/hci_sock.c
@@ -23,7 +23,7 @@
*/
/* Bluetooth HCI sockets. */
-
+#include <linux/compat.h>
#include <linux/export.h>
#include <linux/utsname.h>
#include <linux/sched.h>
@@ -52,7 +52,7 @@
struct bt_sock bt;
struct hci_dev *hdev;
struct hci_filter filter;
- __u32 cmsg_mask;
+ __u8 cmsg_mask;
unsigned short channel;
unsigned long flags;
__u32 cookie;
@@ -222,7 +222,8 @@
if (hci_skb_pkt_type(skb) != HCI_COMMAND_PKT &&
hci_skb_pkt_type(skb) != HCI_EVENT_PKT &&
hci_skb_pkt_type(skb) != HCI_ACLDATA_PKT &&
- hci_skb_pkt_type(skb) != HCI_SCODATA_PKT)
+ hci_skb_pkt_type(skb) != HCI_SCODATA_PKT &&
+ hci_skb_pkt_type(skb) != HCI_ISODATA_PKT)
continue;
if (is_filtered_packet(sk, skb))
continue;
@@ -231,7 +232,8 @@
continue;
if (hci_skb_pkt_type(skb) != HCI_EVENT_PKT &&
hci_skb_pkt_type(skb) != HCI_ACLDATA_PKT &&
- hci_skb_pkt_type(skb) != HCI_SCODATA_PKT)
+ hci_skb_pkt_type(skb) != HCI_SCODATA_PKT &&
+ hci_skb_pkt_type(skb) != HCI_ISODATA_PKT)
continue;
} else {
/* Don't send frame to other channel types */
@@ -334,6 +336,12 @@
opcode = cpu_to_le16(HCI_MON_SCO_RX_PKT);
else
opcode = cpu_to_le16(HCI_MON_SCO_TX_PKT);
+ break;
+ case HCI_ISODATA_PKT:
+ if (bt_cb(skb)->incoming)
+ opcode = cpu_to_le16(HCI_MON_ISO_RX_PKT);
+ else
+ opcode = cpu_to_le16(HCI_MON_ISO_TX_PKT);
break;
case HCI_DIAG_PKT:
opcode = cpu_to_le16(HCI_MON_VENDOR_DIAG);
@@ -446,8 +454,7 @@
case HCI_DEV_SETUP:
if (hdev->manufacturer == 0xffff)
return NULL;
-
- /* fall through */
+ fallthrough;
case HCI_DEV_UP:
skb = bt_skb_alloc(HCI_MON_INDEX_INFO_SIZE, GFP_ATOMIC);
@@ -1062,6 +1069,22 @@
return err;
}
+#ifdef CONFIG_COMPAT
+static int hci_sock_compat_ioctl(struct socket *sock, unsigned int cmd,
+ unsigned long arg)
+{
+ switch (cmd) {
+ case HCIDEVUP:
+ case HCIDEVDOWN:
+ case HCIDEVRESET:
+ case HCIDEVRESTAT:
+ return hci_sock_ioctl(sock, cmd, arg);
+ }
+
+ return hci_sock_ioctl(sock, cmd, (unsigned long)compat_ptr(arg));
+}
+#endif
+
static int hci_sock_bind(struct socket *sock, struct sockaddr *addr,
int addr_len)
{
@@ -1392,7 +1415,7 @@
static void hci_sock_cmsg(struct sock *sk, struct msghdr *msg,
struct sk_buff *skb)
{
- __u32 mask = hci_pi(sk)->cmsg_mask;
+ __u8 mask = hci_pi(sk)->cmsg_mask;
if (mask & HCI_CMSG_DIR) {
int incoming = bt_cb(skb)->incoming;
@@ -1402,9 +1425,9 @@
if (mask & HCI_CMSG_TSTAMP) {
#ifdef CONFIG_COMPAT
- struct compat_timeval ctv;
+ struct old_timeval32 ctv;
#endif
- struct timeval tv;
+ struct __kernel_old_timeval tv;
void *data;
int len;
@@ -1572,11 +1595,13 @@
}
}
- no_hdev = (handler->flags & HCI_MGMT_NO_HDEV);
- if (no_hdev != !hdev) {
- err = mgmt_cmd_status(sk, index, opcode,
- MGMT_STATUS_INVALID_INDEX);
- goto done;
+ if (!(handler->flags & HCI_MGMT_HDEV_OPTIONAL)) {
+ no_hdev = (handler->flags & HCI_MGMT_NO_HDEV);
+ if (no_hdev != !hdev) {
+ err = mgmt_cmd_status(sk, index, opcode,
+ MGMT_STATUS_INVALID_INDEX);
+ goto done;
+ }
}
var_len = (handler->flags & HCI_MGMT_VAR_LEN);
@@ -1766,7 +1791,8 @@
*/
if (hci_skb_pkt_type(skb) != HCI_COMMAND_PKT &&
hci_skb_pkt_type(skb) != HCI_ACLDATA_PKT &&
- hci_skb_pkt_type(skb) != HCI_SCODATA_PKT) {
+ hci_skb_pkt_type(skb) != HCI_SCODATA_PKT &&
+ hci_skb_pkt_type(skb) != HCI_ISODATA_PKT) {
err = -EINVAL;
goto drop;
}
@@ -1810,7 +1836,8 @@
}
if (hci_skb_pkt_type(skb) != HCI_ACLDATA_PKT &&
- hci_skb_pkt_type(skb) != HCI_SCODATA_PKT) {
+ hci_skb_pkt_type(skb) != HCI_SCODATA_PKT &&
+ hci_skb_pkt_type(skb) != HCI_ISODATA_PKT) {
err = -EINVAL;
goto drop;
}
@@ -1831,7 +1858,7 @@
}
static int hci_sock_setsockopt(struct socket *sock, int level, int optname,
- char __user *optval, unsigned int len)
+ sockptr_t optval, unsigned int len)
{
struct hci_ufilter uf = { .opcode = 0 };
struct sock *sk = sock->sk;
@@ -1851,7 +1878,7 @@
switch (optname) {
case HCI_DATA_DIR:
- if (get_user(opt, (int __user *)optval)) {
+ if (copy_from_sockptr(&opt, optval, sizeof(opt))) {
err = -EFAULT;
break;
}
@@ -1863,7 +1890,7 @@
break;
case HCI_TIME_STAMP:
- if (get_user(opt, (int __user *)optval)) {
+ if (copy_from_sockptr(&opt, optval, sizeof(opt))) {
err = -EFAULT;
break;
}
@@ -1885,7 +1912,7 @@
}
len = min_t(unsigned int, len, sizeof(uf));
- if (copy_from_user(&uf, optval, len)) {
+ if (copy_from_sockptr(&uf, optval, len)) {
err = -EFAULT;
break;
}
@@ -1994,6 +2021,9 @@
.sendmsg = hci_sock_sendmsg,
.recvmsg = hci_sock_recvmsg,
.ioctl = hci_sock_ioctl,
+#ifdef CONFIG_COMPAT
+ .compat_ioctl = hci_sock_compat_ioctl,
+#endif
.poll = datagram_poll,
.listen = sock_no_listen,
.shutdown = sock_no_shutdown,
--
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