d/freebsd-dev
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Improve logging of send errors, reporting error code and interface.

Browse Source 
Reduce code duplication between INET and INET6.

Tested by:	Lytochkin Boris <lytboris gmail.com>
This commit is contained in:
Gleb Smirnoff 2014-02-22 19:20:40 +00:00
parent d000dd2f86
commit 4a2dd8d4fb
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=262341
1 changed files with 33 additions and 38 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

71
sys/netinet/ip_carp.c
View File

@ -763,6 +763,35 @@ carp_send_ad(void *v)
CARP_UNLOCK(sc);
}
static void
carp_send_ad_error(struct carp_softc *sc, int error)
{
if (error) {
if (sc->sc_sendad_errors < INT_MAX)
sc->sc_sendad_errors++;
if (sc->sc_sendad_errors == CARP_SENDAD_MAX_ERRORS) {
static const char fmt[] = "send error %d on %s";
char msg[sizeof(fmt) + IFNAMSIZ];
sprintf(msg, fmt, error, sc->sc_carpdev->if_xname);
carp_demote_adj(V_carp_senderr_adj, msg);
}
sc->sc_sendad_success = 0;
} else {
if (sc->sc_sendad_errors >= CARP_SENDAD_MAX_ERRORS &&
++sc->sc_sendad_success >= CARP_SENDAD_MIN_SUCCESS) {
static const char fmt[] = "send ok on %s";
char msg[sizeof(fmt) + IFNAMSIZ];
sprintf(msg, fmt, sc->sc_carpdev->if_xname);
carp_demote_adj(-V_carp_senderr_adj, msg);
sc->sc_sendad_errors = 0;
} else
sc->sc_sendad_errors = 0;
}
}
static void
carp_send_ad_locked(struct carp_softc *sc)
{
@ -839,25 +868,8 @@ carp_send_ad_locked(struct carp_softc *sc)
CARPSTATS_INC(carps_opackets);
if (ip_output(m, NULL, NULL, IP_RAWOUTPUT,
&sc->sc_carpdev->if_carp->cif_imo, NULL)) {
if (sc->sc_sendad_errors < INT_MAX)
sc->sc_sendad_errors++;
if (sc->sc_sendad_errors == CARP_SENDAD_MAX_ERRORS)
carp_demote_adj(V_carp_senderr_adj,
"send error");
sc->sc_sendad_success = 0;
} else {
if (sc->sc_sendad_errors >= CARP_SENDAD_MAX_ERRORS) {
if (++sc->sc_sendad_success >=
CARP_SENDAD_MIN_SUCCESS) {
carp_demote_adj(-V_carp_senderr_adj,
"send ok");
sc->sc_sendad_errors = 0;
}
} else
sc->sc_sendad_errors = 0;
}
carp_send_ad_error(sc, ip_output(m, NULL, NULL, IP_RAWOUTPUT,
&sc->sc_carpdev->if_carp->cif_imo, NULL));
}
#endif /* INET */
#ifdef INET6
@ -913,25 +925,8 @@ carp_send_ad_locked(struct carp_softc *sc)
CARPSTATS_INC(carps_opackets6);
if (ip6_output(m, NULL, NULL, 0,
&sc->sc_carpdev->if_carp->cif_im6o, NULL, NULL)) {
if (sc->sc_sendad_errors < INT_MAX)
sc->sc_sendad_errors++;
if (sc->sc_sendad_errors == CARP_SENDAD_MAX_ERRORS)
carp_demote_adj(V_carp_senderr_adj,
"send6 error");
sc->sc_sendad_success = 0;
} else {
if (sc->sc_sendad_errors >= CARP_SENDAD_MAX_ERRORS) {
if (++sc->sc_sendad_success >=
CARP_SENDAD_MIN_SUCCESS) {
carp_demote_adj(-V_carp_senderr_adj,
"send6 ok");
sc->sc_sendad_errors = 0;
}
} else
sc->sc_sendad_errors = 0;
}
carp_send_ad_error(sc, ip6_output(m, NULL, NULL, 0,
&sc->sc_carpdev->if_carp->cif_im6o, NULL, NULL));
}
#endif /* INET6 */