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Revert "icmp: Add counters for rate limits"

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This reverts commit 3ff50bc627 which is
commit d0941130c9 upstream.

It breaks the Android kernel abi and can be brought back in the future
in an abi-safe way if it is really needed.

Bug: 161946584
Change-Id: I45a0407c330d682047d4fba1fbabfb245cd0fe5f
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
This commit is contained in:
Greg Kroah-Hartman
2024-11-11 14:20:52 +00:00
parent da03308716
commit fbffc4367f
5 changed files with 3 additions and 16 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
include/uapi/linux/snmp.h
View File

@@ -95,8 +95,6 @@ enum
ICMP_MIB_OUTADDRMASKS, /* OutAddrMasks */
ICMP_MIB_OUTADDRMASKREPS, /* OutAddrMaskReps */
ICMP_MIB_CSUMERRORS, /* InCsumErrors */
ICMP_MIB_RATELIMITGLOBAL, /* OutRateLimitGlobal */
ICMP_MIB_RATELIMITHOST, /* OutRateLimitHost */
__ICMP_MIB_MAX
};
@@ -114,7 +112,6 @@ enum
ICMP6_MIB_OUTMSGS, /* OutMsgs */
ICMP6_MIB_OUTERRORS, /* OutErrors */
ICMP6_MIB_CSUMERRORS, /* InCsumErrors */
ICMP6_MIB_RATELIMITHOST, /* OutRateLimitHost */
__ICMP6_MIB_MAX
};

3
net/ipv4/icmp.c
View File

@@ -297,7 +297,6 @@ static bool icmpv4_global_allow(struct net *net, int type, int code)
if (icmp_global_allow())
return true;
__ICMP_INC_STATS(net, ICMP_MIB_RATELIMITGLOBAL);
return false;
}
@@ -327,8 +326,6 @@ static bool icmpv4_xrlim_allow(struct net *net, struct rtable *rt,
if (peer)
inet_putpeer(peer);
out:
if (!rc)
__ICMP_INC_STATS(net, ICMP_MIB_RATELIMITHOST);
return rc;
}

8
net/ipv4/proc.c
View File

@@ -352,7 +352,7 @@ static void icmp_put(struct seq_file *seq)
seq_puts(seq, "\nIcmp: InMsgs InErrors InCsumErrors");
for (i = 0; icmpmibmap[i].name; i++)
seq_printf(seq, " In%s", icmpmibmap[i].name);
seq_puts(seq, " OutMsgs OutErrors OutRateLimitGlobal OutRateLimitHost");
seq_puts(seq, " OutMsgs OutErrors");
for (i = 0; icmpmibmap[i].name; i++)
seq_printf(seq, " Out%s", icmpmibmap[i].name);
seq_printf(seq, "\nIcmp: %lu %lu %lu",
@@ -362,11 +362,9 @@ static void icmp_put(struct seq_file *seq)
for (i = 0; icmpmibmap[i].name; i++)
seq_printf(seq, " %lu",
atomic_long_read(ptr + icmpmibmap[i].index));
seq_printf(seq, " %lu %lu %lu %lu",
seq_printf(seq, " %lu %lu",
snmp_fold_field(net->mib.icmp_statistics, ICMP_MIB_OUTMSGS),
snmp_fold_field(net->mib.icmp_statistics, ICMP_MIB_OUTERRORS),
snmp_fold_field(net->mib.icmp_statistics, ICMP_MIB_RATELIMITGLOBAL),
snmp_fold_field(net->mib.icmp_statistics, ICMP_MIB_RATELIMITHOST));
snmp_fold_field(net->mib.icmp_statistics, ICMP_MIB_OUTERRORS));
for (i = 0; icmpmibmap[i].name; i++)
seq_printf(seq, " %lu",
atomic_long_read(ptr + (icmpmibmap[i].index | 0x100)));

4
net/ipv6/icmp.c
View File

@@ -183,7 +183,6 @@ static bool icmpv6_global_allow(struct net *net, int type)
if (icmp_global_allow())
return true;
__ICMP_INC_STATS(net, ICMP_MIB_RATELIMITGLOBAL);
return false;
}
@@ -225,9 +224,6 @@ static bool icmpv6_xrlim_allow(struct sock *sk, u8 type,
if (peer)
inet_putpeer(peer);
}
if (!res)
__ICMP6_INC_STATS(net, ip6_dst_idev(dst),
ICMP6_MIB_RATELIMITHOST);
dst_release(dst);
return res;
}

1
net/ipv6/proc.c
View File

@@ -94,7 +94,6 @@ static const struct snmp_mib snmp6_icmp6_list[] = {
SNMP_MIB_ITEM("Icmp6OutMsgs", ICMP6_MIB_OUTMSGS),
SNMP_MIB_ITEM("Icmp6OutErrors", ICMP6_MIB_OUTERRORS),
SNMP_MIB_ITEM("Icmp6InCsumErrors", ICMP6_MIB_CSUMERRORS),
SNMP_MIB_ITEM("Icmp6OutRateLimitHost", ICMP6_MIB_RATELIMITHOST),
SNMP_MIB_SENTINEL
};