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Message-Id: <1550242187-29660-3-git-send-email-laoar.shao@gmail.com>
Date: Fri, 15 Feb 2019 22:49:44 +0800
From: Yafang Shao <laoar.shao@...il.com>
To: davem@...emloft.net
Cc: daniel@...earbox.net, edumazet@...gle.com, netdev@...r.kernel.org,
shaoyafang@...iglobal.com, Yafang Shao <laoar.shao@...il.com>
Subject: [net-next 2/5] x25: clean up SOCK_DEBUG()
Per discussion with Daniel[1] and Eric[2], the SOCK_DEBUG() is a very
ancient interface, which is not very useful for debugging.
So we'd better clean up it.
This patch cleans up it for x25.
[1] https://patchwork.ozlabs.org/patch/1035573/
[2] https://patchwork.ozlabs.org/patch/1040533/
Signed-off-by: Yafang Shao <laoar.shao@...il.com>
---
net/x25/af_x25.c | 12 ------------
net/x25/x25_facilities.c | 32 ++++++++++----------------------
net/x25/x25_out.c | 4 +---
3 files changed, 11 insertions(+), 37 deletions(-)
diff --git a/net/x25/af_x25.c b/net/x25/af_x25.c
index 5121729..5892d05 100644
--- a/net/x25/af_x25.c
+++ b/net/x25/af_x25.c
@@ -705,7 +705,6 @@ static int x25_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
x25_insert_socket(sk);
sock_reset_flag(sk, SOCK_ZAPPED);
release_sock(sk);
- SOCK_DEBUG(sk, "x25_bind: socket is bound\n");
out:
return rc;
}
@@ -1148,11 +1147,7 @@ static int x25_sendmsg(struct socket *sock, struct msghdr *msg, size_t len)
goto out;
}
- SOCK_DEBUG(sk, "x25_sendmsg: sendto: Addresses built.\n");
-
/* Build a packet */
- SOCK_DEBUG(sk, "x25_sendmsg: sendto: building packet.\n");
-
if ((msg->msg_flags & MSG_OOB) && len > 32)
len = 32;
@@ -1170,8 +1165,6 @@ static int x25_sendmsg(struct socket *sock, struct msghdr *msg, size_t len)
/*
* Put the data on the end
*/
- SOCK_DEBUG(sk, "x25_sendmsg: Copying user data\n");
-
skb_reset_transport_header(skb);
skb_put(skb, len);
@@ -1194,8 +1187,6 @@ static int x25_sendmsg(struct socket *sock, struct msghdr *msg, size_t len)
/*
* Push down the X.25 header
*/
- SOCK_DEBUG(sk, "x25_sendmsg: Building X.25 Header.\n");
-
if (msg->msg_flags & MSG_OOB) {
if (x25->neighbour->extended) {
asmptr = skb_push(skb, X25_STD_MIN_LEN);
@@ -1228,9 +1219,6 @@ static int x25_sendmsg(struct socket *sock, struct msghdr *msg, size_t len)
skb->data[0] |= X25_Q_BIT;
}
- SOCK_DEBUG(sk, "x25_sendmsg: Built header.\n");
- SOCK_DEBUG(sk, "x25_sendmsg: Transmitting buffer\n");
-
rc = -ENOTCONN;
if (sk->sk_state != TCP_ESTABLISHED)
goto out_kfree_skb;
diff --git a/net/x25/x25_facilities.c b/net/x25/x25_facilities.c
index ad1734d..74a5284 100644
--- a/net/x25/x25_facilities.c
+++ b/net/x25/x25_facilities.c
@@ -286,10 +286,8 @@ int x25_negotiate_facilities(struct sk_buff *skb, struct sock *sk,
/*
* They want reverse charging, we won't accept it.
*/
- if ((theirs.reverse & 0x01 ) && (ours->reverse & 0x01)) {
- SOCK_DEBUG(sk, "X.25: rejecting reverse charging request\n");
+ if ((theirs.reverse & 0x01) && (ours->reverse & 0x01))
return -1;
- }
new->reverse = theirs.reverse;
@@ -298,37 +296,27 @@ int x25_negotiate_facilities(struct sk_buff *skb, struct sock *sk,
int theirs_out = theirs.throughput & 0xf0;
int ours_in = ours->throughput & 0x0f;
int ours_out = ours->throughput & 0xf0;
- if (!ours_in || theirs_in < ours_in) {
- SOCK_DEBUG(sk, "X.25: inbound throughput negotiated\n");
+ if (!ours_in || theirs_in < ours_in)
new->throughput = (new->throughput & 0xf0) | theirs_in;
- }
- if (!ours_out || theirs_out < ours_out) {
- SOCK_DEBUG(sk,
- "X.25: outbound throughput negotiated\n");
+
+ if (!ours_out || theirs_out < ours_out)
new->throughput = (new->throughput & 0x0f) | theirs_out;
- }
}
if (theirs.pacsize_in && theirs.pacsize_out) {
- if (theirs.pacsize_in < ours->pacsize_in) {
- SOCK_DEBUG(sk, "X.25: packet size inwards negotiated down\n");
+ if (theirs.pacsize_in < ours->pacsize_in)
new->pacsize_in = theirs.pacsize_in;
- }
- if (theirs.pacsize_out < ours->pacsize_out) {
- SOCK_DEBUG(sk, "X.25: packet size outwards negotiated down\n");
+
+ if (theirs.pacsize_out < ours->pacsize_out)
new->pacsize_out = theirs.pacsize_out;
- }
}
if (theirs.winsize_in && theirs.winsize_out) {
- if (theirs.winsize_in < ours->winsize_in) {
- SOCK_DEBUG(sk, "X.25: window size inwards negotiated down\n");
+ if (theirs.winsize_in < ours->winsize_in)
new->winsize_in = theirs.winsize_in;
- }
- if (theirs.winsize_out < ours->winsize_out) {
- SOCK_DEBUG(sk, "X.25: window size outwards negotiated down\n");
+
+ if (theirs.winsize_out < ours->winsize_out)
new->winsize_out = theirs.winsize_out;
- }
}
return len;
diff --git a/net/x25/x25_out.c b/net/x25/x25_out.c
index 0144271..2a74f26 100644
--- a/net/x25/x25_out.c
+++ b/net/x25/x25_out.c
@@ -77,9 +77,7 @@ int x25_output(struct sock *sk, struct sk_buff *skb)
kfree_skb(skb);
return sent;
}
- SOCK_DEBUG(sk, "x25_output: fragment alloc"
- " failed, err=%d, %d bytes "
- "sent\n", err, sent);
+
return err;
}
--
1.8.3.1
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