jimzah/freebsd-src
1
0
Fork 0
mirror of https://github.com/freebsd/freebsd-src.git synced 2024-11-28 15:32:45 +00:00
Code Issues Actions 1 Packages Projects Releases Wiki Activity

- Account all node stats at the shape mode.

Browse Source 
- Do not check destination hook presence, it will be done by netgraph.
- Use u_int instead of int in some places to simplify type conversions.
- Use NG_SEND_DATA_ONLY() macro instead of selfmade equivalent.
This commit is contained in:
Alexander Motin 2008-03-30 07:53:51 +00:00
parent d5354256b6
commit c77b232bb6
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=177732
1 changed files with 27 additions and 35 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

62
sys/netgraph/ng_car.c
View File

@ -64,8 +64,8 @@ struct hookinfo {
struct ng_car_hookstats stats; /* hook stats */
struct mbuf *q[NG_CAR_QUEUE_SIZE]; /* circular packet queue */
int q_first; /* first queue element */
int q_last; /* last queue element */
u_int q_first; /* first queue element */
u_int q_last; /* last queue element */
struct callout q_callout; /* periodic queue processing routine */
struct mtx q_mtx; /* queue mutex */
};
@ -260,17 +260,9 @@ static int
ng_car_rcvdata(hook_p hook, item_p item )
{
struct hookinfo *const hinfo = NG_HOOK_PRIVATE(hook);
hook_p dest = hinfo->dest;
struct mbuf *m = NULL;
struct mbuf *m;
int error = 0;
int len;
/* Node is useless without destination hook. */
if (dest == NULL) {
NG_FREE_ITEM(item);
++hinfo->stats.errors;
return(EINVAL);
}
u_int len;
/* If queue is not empty now then enqueue packet. */
if (hinfo->q_first != hinfo->q_last) {
@ -372,7 +364,7 @@ ng_car_rcvdata(hook_p hook, item_p item )
#undef NG_CAR_PERFORM_MATCH_ACTION
NG_FWD_ITEM_HOOK(error, item, dest);
NG_FWD_ITEM_HOOK(error, item, hinfo->dest);
if (error != 0)
++hinfo->stats.errors;
++hinfo->stats.passed_pkts;
@ -673,38 +665,37 @@ void
ng_car_q_event(node_p node, hook_p hook, void *arg, int arg2)
{
struct hookinfo *hinfo = NG_HOOK_PRIVATE(hook);
item_p item;
struct mbuf *m;
int error;
/* Refill tokens for time we have slept. */
ng_car_refillhook(hinfo);
if (hinfo->dest != NULL) {
/* If we have some tokens */
while (hinfo->tc >= 0) {
/* If we have some tokens */
while (hinfo->tc >= 0) {
/* Send packet. */
m = hinfo->q[hinfo->q_first];
if ((item = ng_package_data(m, NG_NOFLAGS)) != NULL)
NG_FWD_ITEM_HOOK(error, item, hinfo->dest);
/* Send packet. */
m = hinfo->q[hinfo->q_first];
NG_SEND_DATA_ONLY(error, hinfo->dest, m);
if (error != 0)
++hinfo->stats.errors;
++hinfo->stats.passed_pkts;
/* Get next one. */
hinfo->q_first++;
if (hinfo->q_first >= NG_CAR_QUEUE_SIZE)
hinfo->q_first = 0;
/* Get next one. */
hinfo->q_first++;
if (hinfo->q_first >= NG_CAR_QUEUE_SIZE)
hinfo->q_first = 0;
/* Stop if none left. */
if (hinfo->q_first == hinfo->q_last)
break;
/* Stop if none left. */
if (hinfo->q_first == hinfo->q_last)
break;
/* If we have more packet, try it. */
m = hinfo->q[hinfo->q_first];
if (hinfo->conf.opt & NG_CAR_COUNT_PACKETS) {
hinfo->tc -= 128;
} else {
hinfo->tc -= m->m_pkthdr.len;
}
/* If we have more packet, try it. */
m = hinfo->q[hinfo->q_first];
if (hinfo->conf.opt & NG_CAR_COUNT_PACKETS) {
hinfo->tc -= 128;
} else {
hinfo->tc -= m->m_pkthdr.len;
}
}
@ -739,6 +730,7 @@ ng_car_enqueue(struct hookinfo *hinfo, item_p item)
(hinfo->te + len >= NG_CAR_QUEUE_SIZE)) {
/* Drop packet. */
++hinfo->stats.red_pkts;
++hinfo->stats.droped_pkts;
NG_FREE_M(m);
hinfo->te = 0;