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[DCCP]: enable debug messages also for static builds 

This patch
  * makes debugging (when configured) work both for static / module build
  * provides generic debugging macros for use in other DCCP / CCID modules
  * adds missing information about debug parameters to Kconfig
  * performs some code tidy-up

Signed-off-by: Gerrit Renker <gerrit@erg.abdn.ac.uk>
Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
This commit is contained in:
Gerrit Renker 2006-11-20 18:26:03 -02:00 committed by David S. Miller
parent f123bc5f80
commit 84116716cc
5 changed files with 38 additions and 27 deletions
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3
net/dccp/Kconfig
View File

@ -38,6 +38,9 @@ config IP_DCCP_DEBUG
---help---
Only use this if you're hacking DCCP.
When compiling DCCP as a module, this debugging output can be toggled
by setting the parameter dccp_debug of the `dccp' module to 0 or 1.
Just say N.
config NET_DCCPPROBE

11
net/dccp/ackvec.c
View File

@ -318,21 +318,18 @@ out_duplicate:
#ifdef CONFIG_IP_DCCP_DEBUG
void dccp_ackvector_print(const u64 ackno, const unsigned char *vector, int len)
{
if (!dccp_debug)
return;
printk("ACK vector len=%d, ackno=%llu |", len,
(unsigned long long)ackno);
dccp_pr_debug_cat("ACK vector len=%d, ackno=%llu |", len,
(unsigned long long)ackno);
while (len--) {
const u8 state = (*vector & DCCP_ACKVEC_STATE_MASK) >> 6;
const u8 rl = *vector & DCCP_ACKVEC_LEN_MASK;
printk("%d,%d|", state, rl);
dccp_pr_debug_cat("%d,%d|", state, rl);
++vector;
}
printk("\n");
dccp_pr_debug_cat("\n");
}
void dccp_ackvec_print(const struct dccp_ackvec *av)

14
net/dccp/ccids/Kconfig
View File

@ -28,13 +28,20 @@ config IP_DCCP_CCID2
This text was extracted from RFC 4340 (sec. 10.1),
http://www.ietf.org/rfc/rfc4340.txt
To compile this CCID as a module, choose M here: the module will be
called dccp_ccid2.
If in doubt, say M.
config IP_DCCP_CCID2_DEBUG
bool "CCID2 debug"
bool "CCID2 debugging messages"
depends on IP_DCCP_CCID2
---help---
Enable CCID2 debug messages.
Enable CCID2-specific debugging messages.
When compiling CCID2 as a module, this debugging output can
additionally be toggled by setting the ccid2_debug module
parameter to 0 or 1.
If in doubt, say N.
@ -62,6 +69,9 @@ config IP_DCCP_CCID3
This text was extracted from RFC 4340 (sec. 10.2),
http://www.ietf.org/rfc/rfc4340.txt
To compile this CCID as a module, choose M here: the module will be
called dccp_ccid3.
If in doubt, say M.
config IP_DCCP_TFRC_LIB

18
net/dccp/ccids/ccid2.c
View File

@ -33,18 +33,11 @@
#include "../dccp.h"
#include "ccid2.h"
#ifdef CONFIG_IP_DCCP_CCID2_DEBUG
static int ccid2_debug;
#define ccid2_pr_debug(format, a...) DCCP_PR_DEBUG(ccid2_debug, format, ##a)
#ifdef CONFIG_IP_DCCP_CCID2_DEBUG
#define ccid2_pr_debug(format, a...) \
do { if (ccid2_debug) \
printk(KERN_DEBUG "%s: " format, __FUNCTION__, ##a); \
} while (0)
#else
#define ccid2_pr_debug(format, a...)
#endif
#ifdef CONFIG_IP_DCCP_CCID2_DEBUG
static void ccid2_hc_tx_check_sanity(const struct ccid2_hc_tx_sock *hctx)
{
int len = 0;
@ -86,7 +79,8 @@ static void ccid2_hc_tx_check_sanity(const struct ccid2_hc_tx_sock *hctx)
BUG_ON(len != hctx->ccid2hctx_seqbufc * CCID2_SEQBUF_LEN);
}
#else
#define ccid2_hc_tx_check_sanity(hctx) do {} while (0)
#define ccid2_pr_debug(format, a...)
#define ccid2_hc_tx_check_sanity(hctx)
#endif
static int ccid2_hc_tx_alloc_seq(struct ccid2_hc_tx_sock *hctx, int num,
@ -841,8 +835,10 @@ static struct ccid_operations ccid2 = {
.ccid_hc_rx_packet_recv = ccid2_hc_rx_packet_recv,
};
#ifdef CONFIG_IP_DCCP_CCID2_DEBUG
module_param(ccid2_debug, int, 0444);
MODULE_PARM_DESC(ccid2_debug, "Enable debug messages");
#endif
static __init int ccid2_module_init(void)
{

19
net/dccp/dccp.h
View File

@ -26,15 +26,20 @@
__stringify((cond))); \
} while (0)
#ifdef MODULE
#define DCCP_PRINTK(enable, fmt, args...) do { if (enable) \
printk(fmt, ##args); \
} while(0)
#else
#define DCCP_PRINTK(enable, fmt, args...) printk(fmt, ##args)
#endif
#define DCCP_PR_DEBUG(enable, fmt, a...) DCCP_PRINTK(enable, KERN_DEBUG \
"%s: " fmt, __FUNCTION__, ##a)
#ifdef CONFIG_IP_DCCP_DEBUG
extern int dccp_debug;
#define dccp_pr_debug(format, a...) \
do { if (dccp_debug) \
printk(KERN_DEBUG "%s: " format, __FUNCTION__ , ##a); \
} while (0)
#define dccp_pr_debug_cat(format, a...) do { if (dccp_debug) \
printk(format, ##a); } while (0)
#define dccp_pr_debug(format, a...) DCCP_PR_DEBUG(dccp_debug, format, ##a)
#define dccp_pr_debug_cat(format, a...) DCCP_PRINTK(dccp_debug, format, ##a)
#else
#define dccp_pr_debug(format, a...)
#define dccp_pr_debug_cat(format, a...)