hollalinux
/
linux-sg2042
mirror of https://github.com/sophgo/linux-riscv.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

connector: Provide the sender's credentials to the callback 

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Acked-by: Lars Ellenberg <lars.ellenberg@linbit.com>
Acked-by: Evgeniy Polyakov <zbr@ioremap.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Philipp Reisner 2009-10-02 02:40:05 +00:00 committed by David S. Miller
parent 293500a23f
commit 7069331dbe
10 changed files with 19 additions and 18 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
Documentation/connector/cn_test.c
View File

@ -34,7 +34,7 @@ static char cn_test_name[] = "cn_test";
static struct sock *nls; static struct sock *nls;
static struct timer_list cn_test_timer; static struct timer_list cn_test_timer;
static void cn_test_callback(struct cn_msg *msg) static void cn_test_callback(struct cn_msg *msg, struct netlink_skb_parms *nsp)
{ {
pr_info("%s: %lu: idx=%x, val=%x, seq=%u, ack=%u, len=%d: %s.\n", pr_info("%s: %lu: idx=%x, val=%x, seq=%u, ack=%u, len=%d: %s.\n",
__func__, jiffies, msg->id.idx, msg->id.val, __func__, jiffies, msg->id.idx, msg->id.val,

8
Documentation/connector/connector.txt
View File

@ -23,7 +23,7 @@ handling, etc... The Connector driver allows any kernelspace agents to use
netlink based networking for inter-process communication in a significantly netlink based networking for inter-process communication in a significantly
easier way: easier way:
int cn_add_callback(struct cb_id *id, char *name, void (*callback) (void *)); int cn_add_callback(struct cb_id *id, char *name, void (*callback) (struct cn_msg *, struct netlink_skb_parms *));
void cn_netlink_send(struct cn_msg *msg, u32 __group, int gfp_mask); void cn_netlink_send(struct cn_msg *msg, u32 __group, int gfp_mask);
struct cb_id struct cb_id
@ -53,15 +53,15 @@ struct cn_msg
Connector interfaces. Connector interfaces.
/*****************************************/ /*****************************************/
int cn_add_callback(struct cb_id *id, char *name, void (*callback) (void *)); int cn_add_callback(struct cb_id *id, char *name, void (*callback) (struct cn_msg *, struct netlink_skb_parms *));
Registers new callback with connector core. Registers new callback with connector core.
struct cb_id *id - unique connector's user identifier. struct cb_id *id - unique connector's user identifier.
It must be registered in connector.h for legal in-kernel users. It must be registered in connector.h for legal in-kernel users.
char *name - connector's callback symbolic name. char *name - connector's callback symbolic name.
void (*callback) (void *) - connector's callback. void (*callback) (struct cn..) - connector's callback.
Argument must be dereferenced to struct cn_msg *. cn_msg and the sender's credentials
void cn_del_callback(struct cb_id *id); void cn_del_callback(struct cb_id *id);

7
drivers/connector/cn_queue.c
View File

@ -79,8 +79,9 @@ void cn_queue_wrapper(struct work_struct *work)
container_of(work, struct cn_callback_entry, work); container_of(work, struct cn_callback_entry, work);
struct cn_callback_data *d = &cbq->data; struct cn_callback_data *d = &cbq->data;
struct cn_msg *msg = NLMSG_DATA(nlmsg_hdr(d->skb)); struct cn_msg *msg = NLMSG_DATA(nlmsg_hdr(d->skb));
struct netlink_skb_parms *nsp = &NETLINK_CB(d->skb);
d->callback(msg); d->callback(msg, nsp);
d->destruct_data(d->ddata); d->destruct_data(d->ddata);
d->ddata = NULL; d->ddata = NULL;
@ -90,7 +91,7 @@ void cn_queue_wrapper(struct work_struct *work)
static struct cn_callback_entry * static struct cn_callback_entry *
cn_queue_alloc_callback_entry(char *name, struct cb_id *id, cn_queue_alloc_callback_entry(char *name, struct cb_id *id,
void (*callback)(struct cn_msg *)) void (*callback)(struct cn_msg *, struct netlink_skb_parms *))
{ {
struct cn_callback_entry *cbq; struct cn_callback_entry *cbq;
@ -124,7 +125,7 @@ int cn_cb_equal(struct cb_id *i1, struct cb_id *i2)
} }
int cn_queue_add_callback(struct cn_queue_dev *dev, char *name, struct cb_id *id, int cn_queue_add_callback(struct cn_queue_dev *dev, char *name, struct cb_id *id,
void (*callback)(struct cn_msg *)) void (*callback)(struct cn_msg *, struct netlink_skb_parms *))
{ {
struct cn_callback_entry *cbq, *__cbq; struct cn_callback_entry *cbq, *__cbq;
int found = 0; int found = 0;

4
drivers/connector/connector.c
View File

@ -269,7 +269,7 @@ static void cn_notify(struct cb_id *id, u32 notify_event)
* May sleep. * May sleep.
*/ */
int cn_add_callback(struct cb_id *id, char *name, int cn_add_callback(struct cb_id *id, char *name,
void (*callback)(struct cn_msg *)) void (*callback)(struct cn_msg *, struct netlink_skb_parms *))
{ {
int err; int err;
struct cn_dev *dev = &cdev; struct cn_dev *dev = &cdev;
@ -351,7 +351,7 @@ static int cn_ctl_msg_equals(struct cn_ctl_msg *m1, struct cn_ctl_msg *m2)
* *
* Used for notification of a request's processing. * Used for notification of a request's processing.
*/ */
static void cn_callback(struct cn_msg *msg) static void cn_callback(struct cn_msg *msg, struct netlink_skb_parms *nsp)
{ {
struct cn_ctl_msg *ctl; struct cn_ctl_msg *ctl;
struct cn_ctl_entry *ent; struct cn_ctl_entry *ent;

2
drivers/md/dm-log-userspace-transfer.c
View File

@ -129,7 +129,7 @@ static int fill_pkg(struct cn_msg *msg, struct dm_ulog_request *tfr)
* This is the connector callback that delivers data * This is the connector callback that delivers data
* that was sent from userspace. * that was sent from userspace.
*/ */
static void cn_ulog_callback(void *data) static void cn_ulog_callback(void *data, struct netlink_skb_parms *nsp)
{ {
struct cn_msg *msg = (struct cn_msg *)data; struct cn_msg *msg = (struct cn_msg *)data;
struct dm_ulog_request *tfr = (struct dm_ulog_request *)(msg + 1); struct dm_ulog_request *tfr = (struct dm_ulog_request *)(msg + 1);

2
drivers/staging/dst/dcore.c
View File

@ -847,7 +847,7 @@ static dst_command_func dst_commands[] = {
/* /*
* Configuration parser. * Configuration parser.
*/ */
static void cn_dst_callback(struct cn_msg *msg) static void cn_dst_callback(struct cn_msg *msg, struct netlink_skb_parms *nsp)
{ {
struct dst_ctl *ctl; struct dst_ctl *ctl;
int err; int err;

2
drivers/staging/pohmelfs/config.c
View File

@ -527,7 +527,7 @@ out_unlock:
return err; return err;
} }
static void pohmelfs_cn_callback(struct cn_msg *msg) static void pohmelfs_cn_callback(struct cn_msg *msg, struct netlink_skb_parms *nsp)
{ {
int err; int err;

2
drivers/video/uvesafb.c
View File

@ -67,7 +67,7 @@ static DEFINE_MUTEX(uvfb_lock);
* find the kernel part of the task struct, copy the registers and * find the kernel part of the task struct, copy the registers and
* the buffer contents and then complete the task. * the buffer contents and then complete the task.
*/ */
static void uvesafb_cn_callback(struct cn_msg *msg) static void uvesafb_cn_callback(struct cn_msg *msg, struct netlink_skb_parms *nsp)
{ {
struct uvesafb_task *utask; struct uvesafb_task *utask;
struct uvesafb_ktask *task; struct uvesafb_ktask *task;

2
drivers/w1/w1_netlink.c
View File

@ -306,7 +306,7 @@ static int w1_netlink_send_error(struct cn_msg *rcmsg, struct w1_netlink_msg *rm
return error; return error;
} }
static void w1_cn_callback(struct cn_msg *msg) static void w1_cn_callback(struct cn_msg *msg, struct netlink_skb_parms *nsp)
{ {
struct w1_netlink_msg *m = (struct w1_netlink_msg *)(msg + 1); struct w1_netlink_msg *m = (struct w1_netlink_msg *)(msg + 1);
struct w1_netlink_cmd *cmd; struct w1_netlink_cmd *cmd;

6
include/linux/connector.h
View File

@ -136,7 +136,7 @@ struct cn_callback_data {
void *ddata; void *ddata;
struct sk_buff *skb; struct sk_buff *skb;
void (*callback) (struct cn_msg *); void (*callback) (struct cn_msg *, struct netlink_skb_parms *);
void *free; void *free;
}; };
@ -167,11 +167,11 @@ struct cn_dev {
struct cn_queue_dev *cbdev; struct cn_queue_dev *cbdev;
}; };
int cn_add_callback(struct cb_id *, char *, void (*callback) (struct cn_msg *)); int cn_add_callback(struct cb_id *, char *, void (*callback) (struct cn_msg *, struct netlink_skb_parms *));
void cn_del_callback(struct cb_id *); void cn_del_callback(struct cb_id *);
int cn_netlink_send(struct cn_msg *, u32, gfp_t); int cn_netlink_send(struct cn_msg *, u32, gfp_t);
int cn_queue_add_callback(struct cn_queue_dev *dev, char *name, struct cb_id *id, void (*callback)(struct cn_msg *)); int cn_queue_add_callback(struct cn_queue_dev *dev, char *name, struct cb_id *id, void (*callback)(struct cn_msg *, struct netlink_skb_parms *));
void cn_queue_del_callback(struct cn_queue_dev *dev, struct cb_id *id); void cn_queue_del_callback(struct cn_queue_dev *dev, struct cb_id *id);
int queue_cn_work(struct cn_callback_entry *cbq, struct work_struct *work); int queue_cn_work(struct cn_callback_entry *cbq, struct work_struct *work);