3rd-party/linux-kernel-module-cheat
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kernel module: format, use tab to indent.

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Reveriel
2018-12-11 09:00:29 +00:00
committed by Ciro Santilli 包子露宪 六四事件 法轮功
parent 9f6ddbc436
commit 3b0a343647
7 changed files with 117 additions and 117 deletions
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58
kernel_modules/netlink.c
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@@ -18,47 +18,47 @@ static void callback(struct sk_buff *skb)
{
char readbuf[9];
size_t readbuflen;
int pid;
int res;
struct nlmsghdr *nlh;
struct sk_buff *skb_out;
int pid;
int res;
struct nlmsghdr *nlh;
struct sk_buff *skb_out;
nlh = (struct nlmsghdr *)skb->data;
pr_info("kernel received: %s\n", (char *)nlmsg_data(nlh));
nlh = (struct nlmsghdr *)skb->data;
pr_info("kernel received: %s\n", (char *)nlmsg_data(nlh));
if (sleep)
usleep_range(1000000, 1000001);
readbuflen = snprintf(readbuf, sizeof(readbuf), "%x", count);
count++;
pid = nlh->nlmsg_pid;
skb_out = nlmsg_new(readbuflen, 0);
if (!skb_out) {
pr_err("nlmsg_new\n");
return;
}
nlh = nlmsg_put(skb_out, 0, 0, NLMSG_DONE, readbuflen, 0);
NETLINK_CB(skb_out).dst_group = 0;
strncpy(nlmsg_data(nlh), readbuf, readbuflen);
res = nlmsg_unicast(nl_sk, skb_out, pid);
if (res < 0)
pr_info("nlmsg_unicast\n");
count++;
pid = nlh->nlmsg_pid;
skb_out = nlmsg_new(readbuflen, 0);
if (!skb_out) {
pr_err("nlmsg_new\n");
return;
}
nlh = nlmsg_put(skb_out, 0, 0, NLMSG_DONE, readbuflen, 0);
NETLINK_CB(skb_out).dst_group = 0;
strncpy(nlmsg_data(nlh), readbuf, readbuflen);
res = nlmsg_unicast(nl_sk, skb_out, pid);
if (res < 0)
pr_info("nlmsg_unicast\n");
}
static int myinit(void)
{
struct netlink_kernel_cfg cfg = {
.input = callback,
};
nl_sk = netlink_kernel_create(&init_net, NETLINK_USER, &cfg);
if (!nl_sk) {
pr_err("netlink_kernel_create\n");
return -10;
}
return 0;
struct netlink_kernel_cfg cfg = {
.input = callback,
};
nl_sk = netlink_kernel_create(&init_net, NETLINK_USER, &cfg);
if (!nl_sk) {
pr_err("netlink_kernel_create\n");
return -10;
}
return 0;
}
static void myexit(void)
{
netlink_kernel_release(nl_sk);
netlink_kernel_release(nl_sk);
}
module_init(myinit);