[3/8] blacklist: add BLACKLIST_REASON_TEMPORARY

Commit Message

James Prestwood March 10, 2025, 9:40 p.m. UTC

This is meant to replace the blacklist held in network objects,
known as the temporary blacklist. For these entires there is no
expiration as it will be up to network.c to remove them as it does
now internally.
---
 src/blacklist.c | 13 +++++++++++++
 src/blacklist.h |  7 +++++++
 2 files changed, 20 insertions(+)

Patch

diff --git a/src/blacklist.c b/src/blacklist.c
index 12100a07..eef3f730 100644
--- a/src/blacklist.c
+++ b/src/blacklist.c
@@ -76,6 +76,16 @@  static struct blacklist_entry *blacklist_entry_new(const uint8_t *addr,
 		added = l_time_now();
 		expires = l_time_offset(added, blacklist_initial_timeout);
 		break;
+	case BLACKLIST_REASON_TEMPORARY:
+		/*
+		 * The temporary blacklist is a special case where entries are
+		 * required to be removed manually. This type of blacklist is
+		 * only used for an ongoing connection attempt to iterate BSS's
+		 * and not retry until all have been exhausted.
+		 */
+		added = 0;
+		expires = 0;
+		break;
 	default:
 		l_warn("Unhandled blacklist reason: %u", reason);
 		return NULL;
@@ -96,6 +106,9 @@  static bool check_if_expired(void *data, void *user_data)
 	struct blacklist_entry *entry = data;
 	uint64_t now = l_get_u64(user_data);
 
+	if (entry->reason == BLACKLIST_REASON_TEMPORARY)
+		return false;
+
 	if (l_time_after(now, entry->expire_time)) {
 		l_debug("Removing entry "MAC" on prune", MAC_STR(entry->addr));
 		l_free(entry);
diff --git a/src/blacklist.h b/src/blacklist.h
index d4da4478..6ce26aba 100644
--- a/src/blacklist.h
+++ b/src/blacklist.h
@@ -26,6 +26,13 @@  enum blacklist_reason {
 	 * connect to it via autoconnect
 	 */
 	BLACKLIST_REASON_PERMANENT,
+	/*
+	 * When a BSS is blacklisted due to a specific subset of error codes.
+	 * This reason is somewhat of a special case and has no expiration. It
+	 * is assumed that the calling module will remove these entries when
+	 * appropriate (after a connection/disconnection)
+	 */
+	BLACKLIST_REASON_TEMPORARY,
 };
 
 void blacklist_add_bss(const uint8_t *addr, enum blacklist_reason reason);