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net: Convert LIMIT_NETDEBUG to net_dbg_ratelimited

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Use the more common dynamic_debug capable net_dbg_ratelimited
and remove the LIMIT_NETDEBUG macro.

All messages are still ratelimited.

Some KERN_<LEVEL> uses are changed to KERN_DEBUG.

This may have some negative impact on messages that were
emitted at KERN_INFO that are not not enabled at all unless
DEBUG is defined or dynamic_debug is enabled.  Even so,
these messages are now _not_ emitted by default.

This also eliminates the use of the net_msg_warn sysctl
"/proc/sys/net/core/warnings".  For backward compatibility,
the sysctl is not removed, but it has no function.  The extern
declaration of net_msg_warn is removed from sock.h and made
static in net/core/sysctl_net_core.c

Miscellanea:

o Update the sysctl documentation
o Remove the embedded uses of pr_fmt
o Coalesce format fragments
o Realign arguments

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Joe Perches
2014-11-11 10:59:17 -08:00
committed by David S. Miller
parent 5b61c4db49
commit ba7a46f16d
23 changed files with 105 additions and 116 deletions
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18
net/ipv6/exthdrs.c
View File

@@ -184,7 +184,7 @@ static bool ipv6_dest_hao(struct sk_buff *skb, int optoff)
int ret;
if (opt->dsthao) {
LIMIT_NETDEBUG(KERN_DEBUG "hao duplicated\n");
net_dbg_ratelimited("hao duplicated\n");
goto discard;
}
opt->dsthao = opt->dst1;
@@ -193,14 +193,14 @@ static bool ipv6_dest_hao(struct sk_buff *skb, int optoff)
hao = (struct ipv6_destopt_hao *)(skb_network_header(skb) + optoff);
if (hao->length != 16) {
LIMIT_NETDEBUG(
KERN_DEBUG "hao invalid option length = %d\n", hao->length);
net_dbg_ratelimited("hao invalid option length = %d\n",
hao->length);
goto discard;
}
if (!(ipv6_addr_type(&hao->addr) & IPV6_ADDR_UNICAST)) {
LIMIT_NETDEBUG(
KERN_DEBUG "hao is not an unicast addr: %pI6\n", &hao->addr);
net_dbg_ratelimited("hao is not an unicast addr: %pI6\n",
&hao->addr);
goto discard;
}
@@ -551,8 +551,8 @@ static bool ipv6_hop_ra(struct sk_buff *skb, int optoff)
memcpy(&IP6CB(skb)->ra, nh + optoff + 2, sizeof(IP6CB(skb)->ra));
return true;
}
LIMIT_NETDEBUG(KERN_DEBUG "ipv6_hop_ra: wrong RA length %d\n",
nh[optoff + 1]);
net_dbg_ratelimited("ipv6_hop_ra: wrong RA length %d\n",
nh[optoff + 1]);
kfree_skb(skb);
return false;
}
@@ -566,8 +566,8 @@ static bool ipv6_hop_jumbo(struct sk_buff *skb, int optoff)
u32 pkt_len;
if (nh[optoff + 1] != 4 || (optoff & 3) != 2) {
LIMIT_NETDEBUG(KERN_DEBUG "ipv6_hop_jumbo: wrong jumbo opt length/alignment %d\n",
nh[optoff+1]);
net_dbg_ratelimited("ipv6_hop_jumbo: wrong jumbo opt length/alignment %d\n",
nh[optoff+1]);
IP6_INC_STATS_BH(net, ipv6_skb_idev(skb),
IPSTATS_MIB_INHDRERRORS);
goto drop;