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net: snmp: kill STATS_BH macros

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There is nothing related to BH in SNMP counters anymore,
since linux-3.0.

Rename helpers to use __ prefix instead of _BH prefix,
for contexts where preemption is disabled.

This more closely matches convention used to update
percpu variables.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet 2016-04-27 16:44:43 -07:00 • committed by David S. Miller
parent f3832ed2c2
commit 13415e46c5
8 changed files with 45 additions and 45 deletions
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36
include/net/ipv6.h
View file

@ -121,21 +121,21 @@ struct frag_hdr {
extern int sysctl_mld_max_msf;
extern int sysctl_mld_qrv;
#define _DEVINC(net, statname, modifier, idev, field) \
#define _DEVINC(net, statname, mod, idev, field) \
({ \
struct inet6_dev *_idev = (idev); \
if (likely(_idev != NULL)) \
SNMP_INC_STATS##modifier((_idev)->stats.statname, (field)); \
SNMP_INC_STATS##modifier((net)->mib.statname##_statistics, (field));\
mod##SNMP_INC_STATS64((_idev)->stats.statname, (field));\
mod##SNMP_INC_STATS64((net)->mib.statname##_statistics, (field));\
})
/* per device counters are atomic_long_t */
#define _DEVINCATOMIC(net, statname, modifier, idev, field) \
#define _DEVINCATOMIC(net, statname, mod, idev, field) \
({ \
struct inet6_dev *_idev = (idev); \
if (likely(_idev != NULL)) \
SNMP_INC_STATS_ATOMIC_LONG((_idev)->stats.statname##dev, (field)); \
SNMP_INC_STATS##modifier((net)->mib.statname##_statistics, (field));\
mod##SNMP_INC_STATS((net)->mib.statname##_statistics, (field));\
})
/* per device and per net counters are atomic_long_t */
@ -147,40 +147,40 @@ extern int sysctl_mld_qrv;
SNMP_INC_STATS_ATOMIC_LONG((net)->mib.statname##_statistics, (field));\
})
#define _DEVADD(net, statname, modifier, idev, field, val) \
#define _DEVADD(net, statname, mod, idev, field, val) \
({ \
struct inet6_dev *_idev = (idev); \
if (likely(_idev != NULL)) \
SNMP_ADD_STATS##modifier((_idev)->stats.statname, (field), (val)); \
SNMP_ADD_STATS##modifier((net)->mib.statname##_statistics, (field), (val));\
mod##SNMP_ADD_STATS((_idev)->stats.statname, (field), (val)); \
mod##SNMP_ADD_STATS((net)->mib.statname##_statistics, (field), (val));\
})
#define _DEVUPD(net, statname, modifier, idev, field, val) \
#define _DEVUPD(net, statname, mod, idev, field, val) \
({ \
struct inet6_dev *_idev = (idev); \
if (likely(_idev != NULL)) \
SNMP_UPD_PO_STATS##modifier((_idev)->stats.statname, field, (val)); \
SNMP_UPD_PO_STATS##modifier((net)->mib.statname##_statistics, field, (val));\
mod##SNMP_UPD_PO_STATS((_idev)->stats.statname, field, (val)); \
mod##SNMP_UPD_PO_STATS((net)->mib.statname##_statistics, field, (val));\
})
/* MIBs */
#define IP6_INC_STATS(net, idev,field) \
_DEVINC(net, ipv6, 64, idev, field)
_DEVINC(net, ipv6, , idev, field)
#define __IP6_INC_STATS(net, idev,field) \
_DEVINC(net, ipv6, 64_BH, idev, field)
_DEVINC(net, ipv6, __, idev, field)
#define IP6_ADD_STATS(net, idev,field,val) \
_DEVADD(net, ipv6, 64, idev, field, val)
_DEVADD(net, ipv6, , idev, field, val)
#define __IP6_ADD_STATS(net, idev,field,val) \
_DEVADD(net, ipv6, 64_BH, idev, field, val)
_DEVADD(net, ipv6, __, idev, field, val)
#define IP6_UPD_PO_STATS(net, idev,field,val) \
_DEVUPD(net, ipv6, 64, idev, field, val)
_DEVUPD(net, ipv6, , idev, field, val)
#define __IP6_UPD_PO_STATS(net, idev,field,val) \
_DEVUPD(net, ipv6, 64_BH, idev, field, val)
_DEVUPD(net, ipv6, __, idev, field, val)
#define ICMP6_INC_STATS(net, idev, field) \
_DEVINCATOMIC(net, icmpv6, , idev, field)
#define __ICMP6_INC_STATS(net, idev, field) \
_DEVINCATOMIC(net, icmpv6, _BH, idev, field)
_DEVINCATOMIC(net, icmpv6, __, idev, field)
#define ICMP6MSGOUT_INC_STATS(net, idev, field) \
_DEVINC_ATOMIC_ATOMIC(net, icmpv6msg, idev, field +256)