From: Yu Watanabe <watanabe.yu+github@gmail.com>
Date: Sun, 6 Jun 2021 06:32:24 +0000 (+0900)
Subject: network: add brief comments about bound_to and bound_by list
X-Git-Tag: v249-rc1~60^2~5
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=ad82f0c32b0536a0cc7383a30900dd7652151d4c;p=thirdparty%2Fsystemd.git

network: add brief comments about bound_to and bound_by list
---

diff --git a/src/network/networkd-link.c b/src/network/networkd-link.c
index a894ef6e3b6..5bf81a2b639 100644
--- a/src/network/networkd-link.c
+++ b/src/network/networkd-link.c
@@ -692,6 +692,9 @@ int link_handle_bound_to_list(Link *link) {
 
         assert(link);
 
+        /* If at least one interface in bound_to_links has carrier, then make this interface up.
+         * If all interfaces in bound_to_links do not, then make this interface down. */
+
         if (hashmap_isempty(link->bound_to_links))
                 return 0;
 
@@ -718,6 +721,8 @@ static int link_handle_bound_by_list(Link *link) {
 
         assert(link);
 
+        /* Update up or down state of interfaces which depend on this interface's carrier state. */
+
         if (hashmap_isempty(link->bound_by_links))
                 return 0;