* GNU General Public License for more details.
*/
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
#include <linux/module.h>
#include <linux/etherdevice.h>
#include <linux/netlink.h>
#include <asm/byteorder.h>
#include <net/sock.h>
+#include "netlink_k.h"
#if !defined(NLMSG_HDRLEN)
#define NLMSG_HDRLEN ((int) NLMSG_ALIGN(sizeof(struct nlmsghdr)))
if (skb->len < nlh->nlmsg_len ||
nlh->nlmsg_len > ND_MAX_MSG_LEN) {
- printk(KERN_ERR "Invalid length (%d,%d)\n", skb->len,
- nlh->nlmsg_len);
+ netdev_err(skb->dev, "Invalid length (%d,%d)\n",
+ skb->len, nlh->nlmsg_len);
return;
}
rcv_cb(dev, nlh->nlmsg_type, msg, mlen);
dev_put(dev);
} else
- printk(KERN_ERR "dev_get_by_index(%d) "
- "is not found.\n", ifindex);
+ netdev_err(skb->dev,
+ "dev_get_by_index(%d) is not found.\n",
+ ifindex);
} else
- printk(KERN_ERR "Unregistered Callback\n");
+ netdev_err(skb->dev, "Unregistered Callback\n");
}
}
void netlink_exit(struct sock *sock)
{
- sock_release(sock->sk_socket);
+ netlink_kernel_release(sock);
}
int netlink_send(struct sock *sock, int group, u16 type, void *msg, int len)
int ret = 0;
if (group > ND_MAX_GROUP) {
- printk(KERN_ERR "Group %d is invalied.\n", group);
- printk(KERN_ERR "Valid group is 0 ~ %d.\n", ND_MAX_GROUP);
+ pr_err("Group %d is invalied.\n", group);
+ pr_err("Valid group is 0 ~ %d.\n", ND_MAX_GROUP);
return -EINVAL;
}
skb = alloc_skb(NLMSG_SPACE(len), GFP_ATOMIC);
if (!skb) {
- printk(KERN_ERR "netlink_broadcast ret=%d\n", ret);
+ pr_err("netlink_broadcast ret=%d\n", ret);
return -ENOMEM;
}
seq++;
- nlh = NLMSG_PUT(skb, 0, seq, type, len);
- memcpy(NLMSG_DATA(nlh), msg, len);
+ nlh = nlmsg_put(skb, 0, seq, type, len, 0);
+ if (!nlh) {
+ kfree_skb(skb);
+ return -EMSGSIZE;
+ }
+
+ memcpy(nlmsg_data(nlh), msg, len);
NETLINK_CB(skb).pid = 0;
NETLINK_CB(skb).dst_group = 0;
return len;
else {
if (ret != -ESRCH) {
- printk(KERN_ERR "netlink_broadcast g=%d, t=%d, l=%d, r=%d\n",
- group, type, len, ret);
+ pr_err("netlink_broadcast g=%d, t=%d, l=%d, r=%d\n",
+ group, type, len, ret);
}
ret = 0;
}
-nlmsg_failure:
return ret;
}