patches/kernel/0002-bridge-keep-MAC-of-first-assigned-port.patch

   1 From a940827b3da8eeb851fc6a6e620f1867a55900d1 Mon Sep 17 00:00:00 2001
   2 From: =?UTF-8?q?Fabian=20Gr=C3=BCnbichler?= <f.gruenbichler@proxmox.com>
   3 Date: Thu, 14 Sep 2017 11:02:18 +0200
   4 Subject: [PATCH 2/7] bridge: keep MAC of first assigned port
   5 MIME-Version: 1.0
   6 Content-Type: text/plain; charset=UTF-8
   7 Content-Transfer-Encoding: 8bit
   8
   9 original commit message:
  10
  11 Default bridge changes MAC dynamically using smallest MAC of all
  12 connected ports (for no real reason). To avoid problems with ARP
  13 we simply use the MAC of the first connected port.
  14
  15 Signed-off-by: Fabian Grünbichler <f.gruenbichler@proxmox.com>
  16 ---
  17  net/bridge/br_stp_if.c | 5 +----
  18  1 file changed, 1 insertion(+), 4 deletions(-)
  19
  20 diff --git a/net/bridge/br_stp_if.c b/net/bridge/br_stp_if.c
  21 index 89110319ef0f..5e73fff65f47 100644
  22 --- a/net/bridge/br_stp_if.c
  23 +++ b/net/bridge/br_stp_if.c
  24 @@ -259,10 +259,7 @@ bool br_stp_recalculate_bridge_id(struct net_bridge *br)
  25                 return false;
  26
  27         list_for_each_entry(p, &br->port_list, list) {
  28 -               if (addr == br_mac_zero ||
  29 -                   memcmp(p->dev->dev_addr, addr, ETH_ALEN) < 0)
  30 -                       addr = p->dev->dev_addr;
  31 -
  32 +               addr = p->dev->dev_addr;
  33         }
  34
  35         if (ether_addr_equal(br->bridge_id.addr, addr))
  36 --
  37 2.14.2
  38