From b553a6b13c68cb72addde48281abe3f3b46e16a4 Mon Sep 17 00:00:00 2001 From: Lennart Poettering Date: Sun, 21 Feb 2016 14:11:34 +0100 Subject: sd-lldp: filter out LLDP messages coming from our own MAC address Let's not get confused should we be connected to some bridge that mirrors back our packets. --- src/basic/ether-addr-util.c | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) (limited to 'src/basic/ether-addr-util.c') diff --git a/src/basic/ether-addr-util.c b/src/basic/ether-addr-util.c index ded6d31f4b..d2c030903b 100644 --- a/src/basic/ether-addr-util.c +++ b/src/basic/ether-addr-util.c @@ -42,3 +42,26 @@ char* ether_addr_to_string(const struct ether_addr *addr, char buffer[ETHER_ADDR return buffer; } + +bool ether_addr_is_null(const struct ether_addr *addr) { + assert(addr); + + return addr->ether_addr_octet[0] == 0 && + addr->ether_addr_octet[1] == 0 && + addr->ether_addr_octet[2] == 0 && + addr->ether_addr_octet[3] == 0 && + addr->ether_addr_octet[4] == 0 && + addr->ether_addr_octet[5] == 0; +} + +bool ether_addr_equal(const struct ether_addr *a, const struct ether_addr *b) { + assert(a); + assert(b); + + return a->ether_addr_octet[0] == b->ether_addr_octet[0] && + a->ether_addr_octet[1] == b->ether_addr_octet[1] && + a->ether_addr_octet[2] == b->ether_addr_octet[2] && + a->ether_addr_octet[3] == b->ether_addr_octet[3] && + a->ether_addr_octet[4] == b->ether_addr_octet[4] && + a->ether_addr_octet[5] == b->ether_addr_octet[5]; +} -- cgit v1.2.3-54-g00ecf