[riot-notifications] [RIOT-OS/RIOT] gnrc_ipv6_nib: provide functions to get offset of public timestamps (#16706)

benpicco notifications at github.com
Fri Aug 6 15:17:38 CEST 2021

@benpicco commented on this pull request.

I guess there is no way to query the life time of a `gnrc_ipv6_nib_ft_t`, right? 

> + *
+ * @param[in] ple   A prefix list entry.
+ *
+ * @return  The time difference in milliseconds until the prefix list entry
+ *          is valid. UINT32_MAX if it is valid forever.
+ */
+static inline uint32_t gnrc_ipv6_nib_pl_valid_offset(const gnrc_ipv6_nib_pl_t *ple)
+    return (ple->valid_until == UINT32_MAX)
+        ? UINT32_MAX
+        : (ple->valid_until - evtimer_now_msec());
+ * @brief   Provides the time difference in milliseconds until the prefix list

 * @brief   Provides the time in milliseconds for which the prefix list

"until the prefix list entry is preferred" is confusing - to me it sounds like it would only be preferred *after* this time has elapsed. 

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