[riot-notifications] [RIOT-OS/RIOT] gnrc_ipv6_nib: auto-configure downstream subnets (#16536)

benpicco notifications at github.com
Wed Aug 4 12:13:47 CEST 2021

@benpicco commented on this pull request.

> +/* Callback to hook into Prefix Information Option */
+__attribute__ ((weak))
+void gnrc_nib_rtr_adv_pio_cb(gnrc_netif_t *netif, const ndp_opt_pi_t *pio)
+    (void) netif;
+    (void) pio;

> how would multiple subscribers be implemented?

I would deffer this issue until it actually comes up.
This is not a public API but internal to GNRC, let's not overcomplicate things for some hypothetical use case :wink: 

XFA might help us here if we don't want to waste precious RAM on a dynamic list. 

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