diff options
Diffstat (limited to 'libdde-linux26/libdde_linux26/contrib/include/net/snmp.h')
| -rw-r--r-- | libdde-linux26/libdde_linux26/contrib/include/net/snmp.h | 164 |
1 files changed, 0 insertions, 164 deletions
diff --git a/libdde-linux26/libdde_linux26/contrib/include/net/snmp.h b/libdde-linux26/libdde_linux26/contrib/include/net/snmp.h deleted file mode 100644 index 57c93628..00000000 --- a/libdde-linux26/libdde_linux26/contrib/include/net/snmp.h +++ /dev/null @@ -1,164 +0,0 @@ -/* - * - * SNMP MIB entries for the IP subsystem. - * - * Alan Cox <gw4pts@gw4pts.ampr.org> - * - * We don't chose to implement SNMP in the kernel (this would - * be silly as SNMP is a pain in the backside in places). We do - * however need to collect the MIB statistics and export them - * out of /proc (eventually) - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. - * - */ - -#ifndef _SNMP_H -#define _SNMP_H - -#include <linux/cache.h> -#include <linux/snmp.h> -#include <linux/smp.h> - -/* - * Mibs are stored in array of unsigned long. - */ -/* - * struct snmp_mib{} - * - list of entries for particular API (such as /proc/net/snmp) - * - name of entries. - */ -struct snmp_mib { - char *name; - int entry; -}; - -#define SNMP_MIB_ITEM(_name,_entry) { \ - .name = _name, \ - .entry = _entry, \ -} - -#define SNMP_MIB_SENTINEL { \ - .name = NULL, \ - .entry = 0, \ -} - -/* - * We use all unsigned longs. Linux will soon be so reliable that even - * these will rapidly get too small 8-). Seriously consider the IpInReceives - * count on the 20Gb/s + networks people expect in a few years time! - */ - -/* - * The rule for padding: - * Best is power of two because then the right structure can be found by a - * simple shift. The structure should be always cache line aligned. - * gcc needs n=alignto(cachelinesize, popcnt(sizeof(bla_mib))) shift/add - * instructions to emulate multiply in case it is not power-of-two. - * Currently n is always <=3 for all sizes so simple cache line alignment - * is enough. - * - * The best solution would be a global CPU local area , especially on 64 - * and 128byte cacheline machine it makes a *lot* of sense -AK - */ - -#define __SNMP_MIB_ALIGN__ ____cacheline_aligned - -/* IPstats */ -#define IPSTATS_MIB_MAX __IPSTATS_MIB_MAX -struct ipstats_mib { - unsigned long mibs[IPSTATS_MIB_MAX]; -} __SNMP_MIB_ALIGN__; - -/* ICMP */ -#define ICMP_MIB_DUMMY __ICMP_MIB_MAX -#define ICMP_MIB_MAX (__ICMP_MIB_MAX + 1) - -struct icmp_mib { - unsigned long mibs[ICMP_MIB_MAX]; -} __SNMP_MIB_ALIGN__; - -#define ICMPMSG_MIB_MAX __ICMPMSG_MIB_MAX -struct icmpmsg_mib { - unsigned long mibs[ICMPMSG_MIB_MAX]; -} __SNMP_MIB_ALIGN__; - -/* ICMP6 (IPv6-ICMP) */ -#define ICMP6_MIB_MAX __ICMP6_MIB_MAX -struct icmpv6_mib { - unsigned long mibs[ICMP6_MIB_MAX]; -} __SNMP_MIB_ALIGN__; - -#define ICMP6MSG_MIB_MAX __ICMP6MSG_MIB_MAX -struct icmpv6msg_mib { - unsigned long mibs[ICMP6MSG_MIB_MAX]; -} __SNMP_MIB_ALIGN__; - - -/* TCP */ -#define TCP_MIB_MAX __TCP_MIB_MAX -struct tcp_mib { - unsigned long mibs[TCP_MIB_MAX]; -} __SNMP_MIB_ALIGN__; - -/* UDP */ -#define UDP_MIB_MAX __UDP_MIB_MAX -struct udp_mib { - unsigned long mibs[UDP_MIB_MAX]; -} __SNMP_MIB_ALIGN__; - -/* Linux */ -#define LINUX_MIB_MAX __LINUX_MIB_MAX -struct linux_mib { - unsigned long mibs[LINUX_MIB_MAX]; -}; - -/* Linux Xfrm */ -#define LINUX_MIB_XFRMMAX __LINUX_MIB_XFRMMAX -struct linux_xfrm_mib { - unsigned long mibs[LINUX_MIB_XFRMMAX]; -}; - -/* - * FIXME: On x86 and some other CPUs the split into user and softirq parts - * is not needed because addl $1,memory is atomic against interrupts (but - * atomic_inc would be overkill because of the lock cycles). Wants new - * nonlocked_atomic_inc() primitives -AK - */ -#define DEFINE_SNMP_STAT(type, name) \ - __typeof__(type) *name[2] -#define DECLARE_SNMP_STAT(type, name) \ - extern __typeof__(type) *name[2] - -#define SNMP_STAT_BHPTR(name) (name[0]) -#define SNMP_STAT_USRPTR(name) (name[1]) - -#define SNMP_INC_STATS_BH(mib, field) \ - (per_cpu_ptr(mib[0], raw_smp_processor_id())->mibs[field]++) -#define SNMP_INC_STATS_USER(mib, field) \ - do { \ - per_cpu_ptr(mib[1], get_cpu())->mibs[field]++; \ - put_cpu(); \ - } while (0) -#define SNMP_INC_STATS(mib, field) \ - do { \ - per_cpu_ptr(mib[!in_softirq()], get_cpu())->mibs[field]++; \ - put_cpu(); \ - } while (0) -#define SNMP_DEC_STATS(mib, field) \ - do { \ - per_cpu_ptr(mib[!in_softirq()], get_cpu())->mibs[field]--; \ - put_cpu(); \ - } while (0) -#define SNMP_ADD_STATS_BH(mib, field, addend) \ - (per_cpu_ptr(mib[0], raw_smp_processor_id())->mibs[field] += addend) -#define SNMP_ADD_STATS_USER(mib, field, addend) \ - do { \ - per_cpu_ptr(mib[1], get_cpu())->mibs[field] += addend; \ - put_cpu(); \ - } while (0) - -#endif |