socket: change debug callbacks to pass struct nl_msg

This allows checking the netlink protocol in the callback

Signed-off-by: Felix Fietkau <nbd@nbd.name>

diff --git a/include/netlink/socket.h b/include/netlink/socket.h
index 9ddd42cb52d62186c6cbbd25aa198744dbeb698f..1ca19b06145cc1f5e139361e8d14a10078c40bff 100644 (file)
--- a/include/netlink/socket.h
+++ b/include/netlink/socket.h
@@ -26,8 +26,9 @@ extern "C" {
 #define NL_NO_AUTO_ACK         (1<<4)
 
 struct nl_cb;
+struct nl_msg;
 
-typedef void (*nl_debug_cb)(void *priv, const void *data, size_t len);
+typedef void (*nl_debug_cb)(void *priv, struct nl_msg *msg);
 struct nl_sock
 {
        struct sockaddr_nl      s_local;

diff --git a/nl.c b/nl.c
index b0f43e2301e747d879482daf85c87980db644762..7ab882238e577955e4eb37695c635549fe7360ab 100644 (file)
--- a/nl.c
+++ b/nl.c
@@ -192,9 +192,6 @@ int nl_sendto(struct nl_sock *sk, void *buf, size_t size)
 {
        int ret;
 
-       if (sk->s_debug_tx_cb)
-               sk->s_debug_tx_cb(sk->s_debug_tx_priv, buf, size);
-
        ret = sendto(sk->s_fd, buf, size, 0, (struct sockaddr *)
                     &sk->s_peer, sizeof(sk->s_peer));
        if (ret < 0)
@@ -230,8 +227,10 @@ int nl_sendmsg(struct nl_sock *sk, struct nl_msg *msg, struct msghdr *hdr)
                if (nl_cb_call(cb, NL_CB_MSG_OUT, msg) != NL_OK)
                        return 0;
 
-       if (sk->s_debug_tx_cb)
-               sk->s_debug_tx_cb(sk->s_debug_tx_priv, iov.iov_base, iov.iov_len);
+       if (sk->s_debug_tx_cb) {
+               nlmsg_set_proto(msg, sk->s_proto);
+               sk->s_debug_tx_cb(sk->s_debug_tx_priv, msg);
+       }
 
        ret = sendmsg(sk->s_fd, hdr, 0);
        if (ret < 0)
@@ -533,14 +532,14 @@ continue_reading:
                        goto out;
                }
 
-               if (sk->s_debug_rx_cb)
-                       sk->s_debug_rx_cb(sk->s_debug_rx_priv, hdr, hdr->nlmsg_len);
-
                nlmsg_set_proto(msg, sk->s_proto);
                nlmsg_set_src(msg, &nla);
                if (creds)
                        nlmsg_set_creds(msg, creds);
 
+               if (sk->s_debug_rx_cb)
+                       sk->s_debug_rx_cb(sk->s_debug_rx_priv, msg);
+
                /* Raw callback is the first, it gives the most control
                 * to the user and he can do his very own parsing. */
                if (cb->cb_set[NL_CB_MSG_IN])