Commit a9672411 authored by Gerrit Renker's avatar Gerrit Renker Committed by David S. Miller
Browse files

[DCCP] ccid3: Make debug output consistent 



This patch does not alter any algorithm, just the debug message format:

 * s#%s, sk=%p#%s(%p)#g

 * when a statename is present, it now uses %s(%p, state=%s)

 * when only function entry is debugged, it adds an `- entry'

Signed-off-by: default avatarGerrit Renker <gerrit@erg.abdn.ac.uk>
Acked-by: default avatarIan McDonald <ian.mcdonald@jandi.co.nz>
Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@mandriva.com>
parent c5a1ae9a

net/dccp/ccids/ccid3.c

+32 −35
Original line number Diff line number Diff line
@@ -201,7 +201,7 @@ static void ccid3_hc_tx_no_feedback_timer(unsigned long data) 
		goto restart_timer;

	}



	ccid3_pr_debug("%s, sk=%p, state=%s\n", dccp_role(sk), sk,

	ccid3_pr_debug("%s(%p, state=%s) - entry \n", dccp_role(sk), sk,

		       ccid3_tx_state_name(hctx->ccid3hctx_state));



	switch (hctx->ccid3hctx_state) {
@@ -210,9 +210,8 @@ static void ccid3_hc_tx_no_feedback_timer(unsigned long data) 
		hctx->ccid3hctx_x = max_t(u32, hctx->ccid3hctx_x / 2,

					  (hctx->ccid3hctx_s << 6)/TFRC_T_MBI);



		ccid3_pr_debug("%s, sk=%p, state=%s, updated tx rate to %u "

			       "bytes/s\n",

			       dccp_role(sk), sk,

		ccid3_pr_debug("%s(%p, state=%s), updated tx rate to %u "

			       "bytes/s\n", dccp_role(sk), sk,

			       ccid3_tx_state_name(hctx->ccid3hctx_state),

			       (unsigned)(hctx->ccid3hctx_x >> 6));

		/* The value of R is still undefined and so we can not recompute
@@ -230,7 +229,7 @@ static void ccid3_hc_tx_no_feedback_timer(unsigned long data) 
		     scaled_div(hctx->ccid3hctx_s << 6, hctx->ccid3hctx_rtt))) {

			struct timeval now;



			ccid3_pr_debug("%s, sk=%p, state=%s, not idle\n",

			ccid3_pr_debug("%s(%p, state=%s), not idle\n",

				       dccp_role(sk), sk,

				       ccid3_tx_state_name(hctx->ccid3hctx_state));
@@ -270,7 +269,7 @@ static void ccid3_hc_tx_no_feedback_timer(unsigned long data) 
		t_nfb = max(hctx->ccid3hctx_t_rto, 2 * hctx->ccid3hctx_t_ipi);

		break;

	case TFRC_SSTATE_NO_SENT:

		DCCP_BUG("Illegal %s state NO_SENT, sk=%p", dccp_role(sk), sk);

		DCCP_BUG("%s(%p) - Illegal state NO_SENT", dccp_role(sk), sk);

		/* fall through */

	case TFRC_SSTATE_TERM:

		goto out;
@@ -348,7 +347,7 @@ static int ccid3_hc_tx_send_packet(struct sock *sk, struct sk_buff *skb) 
		ccid3_hc_tx_update_win_count(hctx, &now);

		break;

	case TFRC_SSTATE_TERM:

		DCCP_BUG("Illegal %s state TERM, sk=%p", dccp_role(sk), sk);

		DCCP_BUG("%s(%p) - Illegal state TERM", dccp_role(sk), sk);

		return -EINVAL;

	}
@@ -522,10 +521,9 @@ static void ccid3_hc_tx_packet_recv(struct sock *sk, struct sk_buff *skb) 
		 */

		t_nfb = max(hctx->ccid3hctx_t_rto, 2 * hctx->ccid3hctx_t_ipi);



		ccid3_pr_debug("%s, sk=%p, Scheduled no feedback timer to "

			       "expire in %lu jiffies (%luus)\n",

			       dccp_role(sk), sk,

			       usecs_to_jiffies(t_nfb), t_nfb);

		ccid3_pr_debug("%s(%p), Scheduled no feedback timer to "

			       "expire in %lu jiffies (%luus)\n", dccp_role(sk),

			       sk, usecs_to_jiffies(t_nfb), t_nfb);



		sk_reset_timer(sk, &hctx->ccid3hctx_no_feedback_timer,

				   jiffies + usecs_to_jiffies(t_nfb));
@@ -566,13 +564,13 @@ static int ccid3_hc_tx_parse_options(struct sock *sk, unsigned char option, 
	switch (option) {

	case TFRC_OPT_LOSS_EVENT_RATE:

		if (unlikely(len != 4)) {

			DCCP_WARN("%s, sk=%p, invalid len %d "

			DCCP_WARN("%s(%p), invalid len %d "

				  "for TFRC_OPT_LOSS_EVENT_RATE\n",

				  dccp_role(sk), sk, len);

			rc = -EINVAL;

		} else {

			opt_recv->ccid3or_loss_event_rate = ntohl(*(__be32 *)value);

			ccid3_pr_debug("%s, sk=%p, LOSS_EVENT_RATE=%u\n",

			ccid3_pr_debug("%s(%p), LOSS_EVENT_RATE=%u\n",

				       dccp_role(sk), sk,

				       opt_recv->ccid3or_loss_event_rate);

		}
@@ -580,20 +578,20 @@ static int ccid3_hc_tx_parse_options(struct sock *sk, unsigned char option, 
	case TFRC_OPT_LOSS_INTERVALS:

		opt_recv->ccid3or_loss_intervals_idx = idx;

		opt_recv->ccid3or_loss_intervals_len = len;

		ccid3_pr_debug("%s, sk=%p, LOSS_INTERVALS=(%u, %u)\n",

		ccid3_pr_debug("%s(%p), LOSS_INTERVALS=(%u, %u)\n",

			       dccp_role(sk), sk,

			       opt_recv->ccid3or_loss_intervals_idx,

			       opt_recv->ccid3or_loss_intervals_len);

		break;

	case TFRC_OPT_RECEIVE_RATE:

		if (unlikely(len != 4)) {

			DCCP_WARN("%s, sk=%p, invalid len %d "

			DCCP_WARN("%s(%p), invalid len %d "

				  "for TFRC_OPT_RECEIVE_RATE\n",

				  dccp_role(sk), sk, len);

			rc = -EINVAL;

		} else {

			opt_recv->ccid3or_receive_rate = ntohl(*(__be32 *)value);

			ccid3_pr_debug("%s, sk=%p, RECEIVE_RATE=%u\n",

			ccid3_pr_debug("%s(%p), RECEIVE_RATE=%u\n",

				       dccp_role(sk), sk,

				       opt_recv->ccid3or_receive_rate);

		}
@@ -679,7 +677,7 @@ static void ccid3_hc_rx_send_feedback(struct sock *sk) 
	struct timeval now;

	suseconds_t delta;



	ccid3_pr_debug("%s, sk=%p\n", dccp_role(sk), sk);

	ccid3_pr_debug("%s(%p) - entry \n", dccp_role(sk), sk);



	dccp_timestamp(sk, &now);
@@ -695,13 +693,13 @@ static void ccid3_hc_rx_send_feedback(struct sock *sk) 
			scaled_div32(hcrx->ccid3hcrx_bytes_recv, delta);

		break;

	case TFRC_RSTATE_TERM:

		DCCP_BUG("Illegal %s state TERM, sk=%p", dccp_role(sk), sk);

		DCCP_BUG("%s(%p) - Illegal state TERM", dccp_role(sk), sk);

		return;

	}



	packet = dccp_rx_hist_find_data_packet(&hcrx->ccid3hcrx_hist);

	if (unlikely(packet == NULL)) {

		DCCP_WARN("%s, sk=%p, no data packet in history!\n",

		DCCP_WARN("%s(%p), no data packet in history!\n",

			  dccp_role(sk), sk);

		return;

	}
@@ -797,13 +795,13 @@ static u32 ccid3_hc_rx_calc_first_li(struct sock *sk) 
	}



	if (unlikely(step == 0)) {

		DCCP_WARN("%s, sk=%p, packet history has no data packets!\n",

		DCCP_WARN("%s(%p), packet history has no data packets!\n",

			  dccp_role(sk), sk);

		return ~0;

	}



	if (unlikely(interval == 0)) {

		DCCP_WARN("%s, sk=%p, Could not find a win_count interval > 0."

		DCCP_WARN("%s(%p), Could not find a win_count interval > 0."

			  "Defaulting to 1\n", dccp_role(sk), sk);

		interval = 1;

	}
@@ -817,7 +815,7 @@ found: 
	DCCP_BUG_ON(delta < 0);



	rtt = delta * 4 / interval;

	ccid3_pr_debug("%s, sk=%p, approximated RTT to %ldus\n",

	ccid3_pr_debug("%s(%p), approximated RTT to %ldus\n",

		       dccp_role(sk), sk, rtt);



	/*
@@ -850,7 +848,7 @@ found: 
	fval = scaled_div32(fval, x_recv);

	p = tfrc_calc_x_reverse_lookup(fval);



	ccid3_pr_debug("%s, sk=%p, receive rate=%u bytes/s, implied "

	ccid3_pr_debug("%s(%p), receive rate=%u bytes/s, implied "

		       "loss rate=%u\n", dccp_role(sk), sk, x_recv, p);



	if (p == 0)
@@ -1000,8 +998,8 @@ static void ccid3_hc_rx_packet_recv(struct sock *sk, struct sk_buff *skb) 
					      r_sample / 10;



		if (rtt_prev != hcrx->ccid3hcrx_rtt)

			ccid3_pr_debug("%s, New RTT=%uus, elapsed time=%u\n",

				       dccp_role(sk), hcrx->ccid3hcrx_rtt,

			ccid3_pr_debug("%s(%p), New RTT=%uus, elapsed time=%u\n",

				       dccp_role(sk), sk, hcrx->ccid3hcrx_rtt,

				       opt_recv->dccpor_elapsed_time);

		break;

	case DCCP_PKT_DATA:
@@ -1013,7 +1011,7 @@ static void ccid3_hc_rx_packet_recv(struct sock *sk, struct sk_buff *skb) 
	packet = dccp_rx_hist_entry_new(ccid3_rx_hist, sk, opt_recv->dccpor_ndp,

					skb, GFP_ATOMIC);

	if (unlikely(packet == NULL)) {

		DCCP_WARN("%s, sk=%p, Not enough mem to add rx packet "

		DCCP_WARN("%s(%p), Not enough mem to add rx packet "

			  "to history, consider it lost!\n", dccp_role(sk), sk);

		return;

	}
@@ -1028,9 +1026,8 @@ static void ccid3_hc_rx_packet_recv(struct sock *sk, struct sk_buff *skb) 


	switch (hcrx->ccid3hcrx_state) {

	case TFRC_RSTATE_NO_DATA:

		ccid3_pr_debug("%s, sk=%p(%s), skb=%p, sending initial "

			       "feedback\n",

			       dccp_role(sk), sk,

		ccid3_pr_debug("%s(%p, state=%s), skb=%p, sending initial "

			       "feedback\n", dccp_role(sk), sk,

			       dccp_state_name(sk->sk_state), skb);

		ccid3_hc_rx_send_feedback(sk);

		ccid3_hc_rx_set_state(sk, TFRC_RSTATE_DATA);
@@ -1048,12 +1045,12 @@ static void ccid3_hc_rx_packet_recv(struct sock *sk, struct sk_buff *skb) 
		}

		return;

	case TFRC_RSTATE_TERM:

		DCCP_BUG("Illegal %s state TERM, sk=%p", dccp_role(sk), sk);

		DCCP_BUG("%s(%p) - Illegal state TERM", dccp_role(sk), sk);

		return;

	}



	/* Dealing with packet loss */

	ccid3_pr_debug("%s, sk=%p(%s), data loss! Reacting...\n",

	ccid3_pr_debug("%s(%p, state=%s), data loss! Reacting...\n",

		       dccp_role(sk), sk, dccp_state_name(sk->sk_state));



	p_prev = hcrx->ccid3hcrx_p;
@@ -1078,7 +1075,7 @@ static int ccid3_hc_rx_init(struct ccid *ccid, struct sock *sk) 
{

	struct ccid3_hc_rx_sock *hcrx = ccid_priv(ccid);



	ccid3_pr_debug("%s, sk=%p\n", dccp_role(sk), sk);

	ccid3_pr_debug("entry\n");



	hcrx->ccid3hcrx_state = TFRC_RSTATE_NO_DATA;

	INIT_LIST_HEAD(&hcrx->ccid3hcrx_hist);

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