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mirror of https://git.FreeBSD.org/src.git synced 2024-11-30 08:19:09 +00:00

Calculate the average link throughput using a counter based on the

cumulative total of all active links rather than basing it on the
total of PROTO_MP traffic.

This fixes a problem whereby Cisco routers send PROTO_IP packets only
when there's only one link (hmm, what a good idea!).
This commit is contained in:
Brian Somers 2000-08-15 00:59:21 +00:00
parent 66ce51cec7
commit 11572abf62
Notes: svn2git 2020-12-20 02:59:44 +00:00
svn path=/head/; revision=64652
6 changed files with 57 additions and 37 deletions

View File

@ -1122,16 +1122,16 @@ bundle_ShowLinks(struct cmdargs const *arg)
for (dl = arg->bundle->links; dl; dl = dl->next) {
prompt_Printf(arg->prompt, "Name: %s [%s, %s]",
dl->name, mode2Nam(dl->physical->type), datalink_State(dl));
if (dl->physical->link.throughput.rolling && dl->state == DATALINK_OPEN)
if (dl->physical->link.stats.total.rolling && dl->state == DATALINK_OPEN)
prompt_Printf(arg->prompt, " bandwidth %d, %llu bps (%llu bytes/sec)",
dl->mp.bandwidth ? dl->mp.bandwidth :
physical_GetSpeed(dl->physical),
dl->physical->link.throughput.OctetsPerSecond * 8,
dl->physical->link.throughput.OctetsPerSecond);
dl->physical->link.stats.total.OctetsPerSecond * 8,
dl->physical->link.stats.total.OctetsPerSecond);
prompt_Printf(arg->prompt, "\n");
}
t = &arg->bundle->ncp.mp.link.throughput;
t = &arg->bundle->ncp.mp.link.stats.total;
secs = t->downtime ? 0 : throughput_uptime(t);
if (secs > t->SamplePeriod)
secs = t->SamplePeriod;

View File

@ -2599,7 +2599,7 @@ ClearCommand(struct cmdargs const *arg)
log_Printf(LogWARN, "A link must be specified for ``clear physical''\n");
return 1;
}
t = &cx->physical->link.throughput;
t = &cx->physical->link.stats.total;
} else if (strcasecmp(arg->argv[arg->argn], "ipcp") == 0)
t = &arg->bundle->ncp.ipcp.throughput;
else

View File

@ -67,16 +67,24 @@
static void Despatch(struct bundle *, struct link *, struct mbuf *, u_short);
void
static inline void
link_AddInOctets(struct link *l, int n)
{
throughput_addin(&l->throughput, n);
if (l->stats.gather) {
throughput_addin(&l->stats.total, n);
if (l->stats.parent)
throughput_addin(l->stats.parent, n);
}
}
void
static inline void
link_AddOutOctets(struct link *l, int n)
{
throughput_addout(&l->throughput, n);
if (l->stats.gather) {
throughput_addout(&l->stats.total, n);
if (l->stats.parent)
throughput_addout(l->stats.parent, n);
}
}
void

View File

@ -41,7 +41,11 @@ struct link {
int type; /* _LINK type */
const char *name; /* Points to datalink::name */
int len; /* full size of parent struct */
struct pppThroughput throughput; /* Link throughput statistics */
struct {
unsigned gather : 1; /* Gather statistics ourself ? */
struct pppThroughput total; /* Link throughput statistics */
struct pppThroughput *parent; /* MP link throughput statistics */
} stats;
struct mqueue Queue[2]; /* Our output queue of mbufs */
u_long proto_in[NPROTOSTAT]; /* outgoing protocol stats */
@ -57,9 +61,6 @@ struct link {
#define LINK_QUEUES(link) (sizeof (link)->Queue / sizeof (link)->Queue[0])
#define LINK_HIGHQ(link) ((link)->Queue + LINK_QUEUES(link) - 1)
extern void link_AddInOctets(struct link *, int);
extern void link_AddOutOctets(struct link *, int);
extern void link_SequenceQueue(struct link *);
extern void link_DeleteQueue(struct link *);
extern size_t link_QueueLen(struct link *);

View File

@ -189,7 +189,7 @@ mp_UpDown(void *v)
struct mp *mp = (struct mp *)v;
int percent;
percent = mp->link.throughput.OctetsPerSecond * 800 / mp->bundle->bandwidth;
percent = mp->link.stats.total.OctetsPerSecond * 800 / mp->bundle->bandwidth;
if (percent >= mp->cfg.autoload.max) {
log_Printf(LogDEBUG, "%d%% saturation - bring a link up ?\n", percent);
bundle_AutoAdjust(mp->bundle, percent, AUTO_UP);
@ -202,20 +202,20 @@ mp_UpDown(void *v)
void
mp_StopAutoloadTimer(struct mp *mp)
{
throughput_stop(&mp->link.throughput);
throughput_stop(&mp->link.stats.total);
}
void
mp_CheckAutoloadTimer(struct mp *mp)
{
if (mp->link.throughput.SamplePeriod != mp->cfg.autoload.period) {
throughput_destroy(&mp->link.throughput);
throughput_init(&mp->link.throughput, mp->cfg.autoload.period);
throughput_callback(&mp->link.throughput, mp_UpDown, mp);
if (mp->link.stats.total.SamplePeriod != mp->cfg.autoload.period) {
throughput_destroy(&mp->link.stats.total);
throughput_init(&mp->link.stats.total, mp->cfg.autoload.period);
throughput_callback(&mp->link.stats.total, mp_UpDown, mp);
}
if (bundle_WantAutoloadTimer(mp->bundle))
throughput_start(&mp->link.throughput, "MP throughput", 1);
throughput_start(&mp->link.stats.total, "MP throughput", 1);
else
mp_StopAutoloadTimer(mp);
}
@ -223,10 +223,10 @@ mp_CheckAutoloadTimer(struct mp *mp)
void
mp_RestartAutoloadTimer(struct mp *mp)
{
if (mp->link.throughput.SamplePeriod != mp->cfg.autoload.period)
if (mp->link.stats.total.SamplePeriod != mp->cfg.autoload.period)
mp_CheckAutoloadTimer(mp);
else
throughput_clear(&mp->link.throughput, THROUGHPUT_OVERALL, NULL);
throughput_clear(&mp->link.stats.total, THROUGHPUT_OVERALL, NULL);
}
void
@ -250,8 +250,10 @@ mp_Init(struct mp *mp, struct bundle *bundle)
mp->cfg.autoload.period = SAMPLE_PERIOD;
mp->cfg.autoload.min = mp->cfg.autoload.max = 0;
throughput_init(&mp->link.throughput, mp->cfg.autoload.period);
throughput_callback(&mp->link.throughput, mp_UpDown, mp);
throughput_init(&mp->link.stats.total, mp->cfg.autoload.period);
throughput_callback(&mp->link.stats.total, mp_UpDown, mp);
mp->link.stats.parent = NULL;
mp->link.stats.gather = 0; /* Let the physical links gather stats */
memset(mp->link.Queue, '\0', sizeof mp->link.Queue);
memset(mp->link.proto_in, '\0', sizeof mp->link.proto_in);
memset(mp->link.proto_out, '\0', sizeof mp->link.proto_out);
@ -318,13 +320,16 @@ mp_Up(struct mp *mp, struct datalink *dl)
mp->peer_is12bit = lcp->his_shortseq;
mp->peer = dl->peer;
throughput_destroy(&mp->link.throughput);
throughput_init(&mp->link.throughput, mp->cfg.autoload.period);
throughput_callback(&mp->link.throughput, mp_UpDown, mp);
throughput_destroy(&mp->link.stats.total);
throughput_init(&mp->link.stats.total, mp->cfg.autoload.period);
throughput_callback(&mp->link.stats.total, mp_UpDown, mp);
memset(mp->link.Queue, '\0', sizeof mp->link.Queue);
memset(mp->link.proto_in, '\0', sizeof mp->link.proto_in);
memset(mp->link.proto_out, '\0', sizeof mp->link.proto_out);
/* Tell the link who it belongs to */
dl->physical->link.stats.parent = &mp->link.stats.total;
mp->out.seq = 0;
mp->out.link = 0;
mp->seq.min_in = 0;

View File

@ -158,7 +158,10 @@ physical_Create(struct datalink *dl, int type)
p->link.len = sizeof *p;
/* The sample period is fixed - see physical2iov() & iov2physical() */
throughput_init(&p->link.throughput, SAMPLE_PERIOD);
throughput_init(&p->link.stats.total, SAMPLE_PERIOD);
p->link.stats.parent = dl->bundle->ncp.mp.active ?
&dl->bundle->ncp.mp.link.stats.total : NULL;
p->link.stats.gather = 1;
memset(p->link.Queue, '\0', sizeof p->link.Queue);
memset(p->link.proto_in, '\0', sizeof p->link.proto_in);
@ -336,8 +339,8 @@ physical_Close(struct physical *p)
p->fd = -1;
log_SetTtyCommandMode(p->dl);
throughput_stop(&p->link.throughput);
throughput_log(&p->link.throughput, LogPHASE, p->link.name);
throughput_stop(&p->link.stats.total);
throughput_log(&p->link.stats.total, LogPHASE, p->link.name);
if (p->session_owner != (pid_t)-1) {
log_Printf(LogPHASE, "%s: HUPing %d\n", p->link.name,
@ -371,7 +374,7 @@ void
physical_Destroy(struct physical *p)
{
physical_Close(p);
throughput_destroy(&p->link.throughput);
throughput_destroy(&p->link.stats.total);
free(p);
}
@ -492,7 +495,7 @@ physical_ShowStatus(struct cmdargs const *arg)
}
prompt_Printf(arg->prompt, "\n\n");
throughput_disp(&p->link.throughput, arg->prompt);
throughput_disp(&p->link.stats.total, arg->prompt);
return 0;
}
@ -597,7 +600,10 @@ iov2physical(struct datalink *dl, struct iovec *iov, int *niov, int maxiov,
p->hdlc.lqm.timer.state = TIMER_STOPPED;
p->fd = fd;
p->link.throughput.SampleOctets = (long long *)iov[(*niov)++].iov_base;
p->link.stats.total.SampleOctets = (long long *)iov[(*niov)++].iov_base;
p->link.stats.parent = dl->bundle->ncp.mp.active ?
&dl->bundle->ncp.mp.link.stats.total : NULL;
p->link.stats.gather = 1;
type = (long)p->handler;
p->handler = NULL;
@ -616,7 +622,7 @@ iov2physical(struct datalink *dl, struct iovec *iov, int *niov, int maxiov,
lqr_reStart(&p->link.lcp);
hdlc_StartTimer(&p->hdlc);
throughput_restart(&p->link.throughput, "physical throughput",
throughput_restart(&p->link.stats.total, "physical throughput",
Enabled(dl->bundle, OPT_THROUGHPUT));
return p;
@ -665,7 +671,7 @@ physical2iov(struct physical *p, struct iovec *iov, int *niov, int maxiov,
p->session_owner = getpid(); /* So I'll eventually get HUP'd */
else
p->session_owner = (pid_t)-1;
timer_Stop(&p->link.throughput.Timer);
timer_Stop(&p->link.stats.total.Timer);
}
if (*niov + 2 >= maxiov) {
@ -680,7 +686,7 @@ physical2iov(struct physical *p, struct iovec *iov, int *niov, int maxiov,
iov[*niov].iov_len = sizeof *p;
(*niov)++;
iov[*niov].iov_base = p ? (void *)p->link.throughput.SampleOctets : NULL;
iov[*niov].iov_base = p ? (void *)p->link.stats.total.SampleOctets : NULL;
iov[*niov].iov_len = SAMPLE_PERIOD * sizeof(long long);
(*niov)++;
@ -945,7 +951,7 @@ physical_Found(struct physical *p)
#endif
}
throughput_start(&p->link.throughput, "physical throughput",
throughput_start(&p->link.stats.total, "physical throughput",
Enabled(p->dl->bundle, OPT_THROUGHPUT));
p->connect_count++;
p->input.sz = 0;