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networkd: link - log changes in some common link flags

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This commit is contained in:
Tom Gundersen 2014-04-20 13:08:59 +02:00
parent 75ee87c8c6
commit c6a1eb79a5
1 changed files with 38 additions and 1 deletions
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39
src/network/networkd-link.c
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@ -1059,7 +1059,9 @@ static int link_update_flags(Link *link, unsigned flags) {
flags_added = (link->flags ^ flags) & flags;
flags_removed = (link->flags ^ flags) & link->flags;
generic_flags = ~(IFF_UP | IFF_LOWER_UP | IFF_DORMANT);
generic_flags = ~(IFF_UP | IFF_LOWER_UP | IFF_DORMANT | IFF_DEBUG |
IFF_MULTICAST | IFF_BROADCAST | IFF_PROMISC |
IFF_NOARP | IFF_MASTER | IFF_SLAVE);
/* consider link to have carrier when LOWER_UP and !DORMANT
@ -1096,6 +1098,41 @@ static int link_update_flags(Link *link, unsigned flags) {
else if (flags_removed & IFF_DORMANT)
log_debug_link(link, "link is not dormant");
if (flags_added & IFF_DEBUG)
log_debug_link(link, "debugging enabled in the kernel");
else if (flags_removed & IFF_DEBUG)
log_debug_link(link, "debugging disabled in the kernel");
if (flags_added & IFF_MULTICAST)
log_debug_link(link, "multicast enabled");
else if (flags_removed & IFF_MULTICAST)
log_debug_link(link, "multicast disabled");
if (flags_added & IFF_BROADCAST)
log_debug_link(link, "broadcast enabled");
else if (flags_removed & IFF_BROADCAST)
log_debug_link(link, "broadcast disabled");
if (flags_added & IFF_PROMISC)
log_debug_link(link, "promiscuous mode enabled");
else if (flags_removed & IFF_PROMISC)
log_debug_link(link, "promiscuous mode disabled");
if (flags_added & IFF_NOARP)
log_debug_link(link, "ARP protocol disabled");
else if (flags_removed & IFF_NOARP)
log_debug_link(link, "ARP protocol enabled");
if (flags_added & IFF_MASTER)
log_debug_link(link, "link is master");
else if (flags_removed & IFF_MASTER)
log_debug_link(link, "link is no longer master");
if (flags_added & IFF_SLAVE)
log_debug_link(link, "link is slave");
else if (flags_removed & IFF_SLAVE)
log_debug_link(link, "link is no longer slave");
/* link flags are currently at most 18 bits, let's default to printing 20 */
if (flags_added & generic_flags)
log_debug_link(link, "unknown link flags gained: %#.5x (ignoring)",