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Update stats in struct pimstat using two new macros: PIMSTAT_ADD()

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and PIMSTAT_INC(), rather than directly manipulating the fields of
the structure.  This will make it easier to change the
implementation of these statistics, such as using per-CPU versions
of the data structure.

MFC after:	3 days
This commit is contained in:
Robert Watson 2009-04-12 14:06:26 +00:00
parent fb83a36856
commit 07cf7ab29c
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=190967
2 changed files with 21 additions and 16 deletions
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32
sys/netinet/ip_mroute.c
View File

@ -1515,7 +1515,7 @@ ip_mdq(struct mbuf *m, struct ifnet *ifp, struct mfc *rt, vifi_t xmt_vif)
if (pim_assert_enabled && (vifi < numvifs) && viftable[vifi].v_ifp) {
if (ifp == &multicast_register_if)
pimstat.pims_rcv_registers_wrongiif++;
PIMSTAT_INC(pims_rcv_registers_wrongiif);
/* Get vifi for the incoming packet */
for (vifi=0; vifi < numvifs && viftable[vifi].v_ifp != ifp; vifi++)
@ -2440,8 +2440,8 @@ pim_register_send_upcall(struct ip *ip, struct vif *vifp,
}
/* Keep statistics */
pimstat.pims_snd_registers_msgs++;
pimstat.pims_snd_registers_bytes += len;
PIMSTAT_INC(pims_snd_registers_msgs);
PIMSTAT_ADD(pims_snd_registers_bytes, len);
return 0;
}
@ -2511,8 +2511,8 @@ pim_register_send_rp(struct ip *ip, struct vif *vifp, struct mbuf *mb_copy,
send_packet(vifp, mb_first);
/* Keep statistics */
pimstat.pims_snd_registers_msgs++;
pimstat.pims_snd_registers_bytes += len;
PIMSTAT_INC(pims_snd_registers_msgs);
PIMSTAT_ADD(pims_snd_registers_bytes, len);
return 0;
}
@ -2554,14 +2554,14 @@ pim_input(struct mbuf *m, int off)
int iphlen = off;
/* Keep statistics */
pimstat.pims_rcv_total_msgs++;
pimstat.pims_rcv_total_bytes += datalen;
PIMSTAT_INC(pims_rcv_total_msgs);
PIMSTAT_ADD(pims_rcv_total_bytes, datalen);
/*
* Validate lengths
*/
if (datalen < PIM_MINLEN) {
pimstat.pims_rcv_tooshort++;
PIMSTAT_INC(pims_rcv_tooshort);
CTR3(KTR_IPMF, "%s: short packet (%d) from %s",
__func__, datalen, inet_ntoa(ip->ip_src));
m_freem(m);
@ -2606,7 +2606,7 @@ pim_input(struct mbuf *m, int off)
if (PIM_VT_T(pim->pim_vt) == PIM_REGISTER && in_cksum(m, PIM_MINLEN) == 0) {
/* do nothing, checksum okay */
} else if (in_cksum(m, datalen)) {
pimstat.pims_rcv_badsum++;
PIMSTAT_INC(pims_rcv_badsum);
CTR1(KTR_IPMF, "%s: invalid checksum", __func__);
m_freem(m);
return;
@ -2614,7 +2614,7 @@ pim_input(struct mbuf *m, int off)
/* PIM version check */
if (PIM_VT_V(pim->pim_vt) < PIM_VERSION) {
pimstat.pims_rcv_badversion++;
PIMSTAT_INC(pims_rcv_badversion);
CTR3(KTR_IPMF, "%s: bad version %d expect %d", __func__,
(int)PIM_VT_V(pim->pim_vt), PIM_VERSION);
m_freem(m);
@ -2653,8 +2653,8 @@ pim_input(struct mbuf *m, int off)
* Validate length
*/
if (datalen < PIM_REG_MINLEN) {
pimstat.pims_rcv_tooshort++;
pimstat.pims_rcv_badregisters++;
PIMSTAT_INC(pims_rcv_tooshort);
PIMSTAT_INC(pims_rcv_badregisters);
CTR1(KTR_IPMF, "%s: register packet size too small", __func__);
m_freem(m);
return;
@ -2668,7 +2668,7 @@ pim_input(struct mbuf *m, int off)
/* verify the version number of the inner packet */
if (encap_ip->ip_v != IPVERSION) {
pimstat.pims_rcv_badregisters++;
PIMSTAT_INC(pims_rcv_badregisters);
CTR1(KTR_IPMF, "%s: bad encap ip version", __func__);
m_freem(m);
return;
@ -2676,7 +2676,7 @@ pim_input(struct mbuf *m, int off)
/* verify the inner packet is destined to a mcast group */
if (!IN_MULTICAST(ntohl(encap_ip->ip_dst.s_addr))) {
pimstat.pims_rcv_badregisters++;
PIMSTAT_INC(pims_rcv_badregisters);
CTR2(KTR_IPMF, "%s: bad encap ip dest %s", __func__,
inet_ntoa(encap_ip->ip_dst));
m_freem(m);
@ -2724,8 +2724,8 @@ pim_input(struct mbuf *m, int off)
/* Keep statistics */
/* XXX: registers_bytes include only the encap. mcast pkt */
pimstat.pims_rcv_registers_msgs++;
pimstat.pims_rcv_registers_bytes += ntohs(encap_ip->ip_len);
PIMSTAT_INC(pims_rcv_registers_msgs);
PIMSTAT_ADD(pims_rcv_registers_bytes, ntohs(encap_ip->ip_len));
/*
* forward the inner ip packet; point m_data at the inner ip.

5
sys/netinet/pim_var.h
View File

@ -59,6 +59,11 @@ struct pimstat {
u_quad_t pims_snd_registers_bytes; /* sent regs. bytes (data only) */
};
#ifdef _KERNEL
#define PIMSTAT_ADD(name, val) pimstat.name += (val)
#define PIMSTAT_INC(name) PIMSTAT_ADD(name, 1)
#endif
/*
* Names for PIM sysctl objects
*/