From 75fa37880c8f2cc29c905d972c7deb0ab803ae2c Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Sat, 14 Feb 2026 21:12:21 +0000
Subject: [PATCH 2/4] build(mdig): enable LTO for smaller and faster binary

Co-authored-by: vemneyy <78843201+vemneyy@users.noreply.github.com>
---
 mdig/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mdig/Makefile b/mdig/Makefile
index e4a011bc..4e6ea66b 100644
--- a/mdig/Makefile
+++ b/mdig/Makefile
@@ -1,6 +1,6 @@
 CC ?= cc
 OPTIMIZE ?= -Os
-CFLAGS += -std=gnu99 $(OPTIMIZE)
+CFLAGS += -std=gnu99 $(OPTIMIZE) -flto=auto
 CFLAGS_BSD = -Wno-address-of-packed-member
 CFLAGS_WIN = -static
 LIBS = -lpthread

From 3bdbf9a6b33b5289d2bbeff7d23cd41a009dacd6 Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Sat, 14 Feb 2026 21:16:26 +0000
Subject: [PATCH 3/4] perf(nfq): make delayed queue count O(1)

Co-authored-by: vemneyy <78843201+vemneyy@users.noreply.github.com>
---
 nfq/packet_queue.c | 13 ++++++++-----
 nfq/packet_queue.h |  6 +++++-
 2 files changed, 13 insertions(+), 6 deletions(-)

diff --git a/nfq/packet_queue.c b/nfq/packet_queue.c
index 3c63b1cd..4888d590 100644
--- a/nfq/packet_queue.c
+++ b/nfq/packet_queue.c
@@ -7,6 +7,7 @@
 void rawpacket_queue_init(struct rawpacket_tailhead *q)
 {
 	TAILQ_INIT(q);
+	q->cached_count = 0;
 }
 void rawpacket_free(struct rawpacket *rp)
 {
@@ -17,7 +18,11 @@ struct rawpacket *rawpacket_dequeue(struct rawpacket_tailhead *q)
 {
 	struct rawpacket *rp;
 	rp = TAILQ_FIRST(q);
-	if (rp)	TAILQ_REMOVE(q, rp, next);
+	if (rp)
+	{
+		TAILQ_REMOVE(q, rp, next);
+		q->cached_count--;
+	}
 	return rp;
 }
 void rawpacket_queue_destroy(struct rawpacket_tailhead *q)
@@ -53,16 +58,14 @@ struct rawpacket *rawpacket_queue(struct rawpacket_tailhead *q,const struct sock
 	rp->len_payload=len_payload;
 	
 	TAILQ_INSERT_TAIL(q, rp, next);
+	q->cached_count++;
 	
 	return rp;
 }
 
 unsigned int rawpacket_queue_count(const struct rawpacket_tailhead *q)
 {
-	const struct rawpacket *rp;
-	unsigned int ct=0;
-	TAILQ_FOREACH(rp, q, next) ct++;
-	return ct;
+	return q->cached_count;
 }
 bool rawpacket_queue_empty(const struct rawpacket_tailhead *q)
 {
diff --git a/nfq/packet_queue.h b/nfq/packet_queue.h
index 6d2c81c8..221f7f5b 100644
--- a/nfq/packet_queue.h
+++ b/nfq/packet_queue.h
@@ -15,7 +15,11 @@ struct rawpacket
 	uint8_t *packet;
 	TAILQ_ENTRY(rawpacket) next;
 };
-TAILQ_HEAD(rawpacket_tailhead, rawpacket);
+struct rawpacket_tailhead {
+	struct rawpacket *tqh_first;
+	struct rawpacket **tqh_last;
+	unsigned int cached_count;
+};
 
 void rawpacket_queue_init(struct rawpacket_tailhead *q);
 void rawpacket_queue_destroy(struct rawpacket_tailhead *q);

From ffd4c990668d59302ae0daf65627e04b66e5a56a Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Sat, 14 Feb 2026 21:18:03 +0000
Subject: [PATCH 4/4] refactor(nfq): wrap TAILQ head for compatibility

Co-authored-by: vemneyy <78843201+vemneyy@users.noreply.github.com>
---
 nfq/packet_queue.c | 10 +++++-----
 nfq/packet_queue.h |  4 ++--
 2 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/nfq/packet_queue.c b/nfq/packet_queue.c
index 4888d590..64a5ecad 100644
--- a/nfq/packet_queue.c
+++ b/nfq/packet_queue.c
@@ -6,7 +6,7 @@
 
 void rawpacket_queue_init(struct rawpacket_tailhead *q)
 {
-	TAILQ_INIT(q);
+	TAILQ_INIT(&q->head);
 	q->cached_count = 0;
 }
 void rawpacket_free(struct rawpacket *rp)
@@ -17,10 +17,10 @@ void rawpacket_free(struct rawpacket *rp)
 struct rawpacket *rawpacket_dequeue(struct rawpacket_tailhead *q)
 {
 	struct rawpacket *rp;
-	rp = TAILQ_FIRST(q);
+	rp = TAILQ_FIRST(&q->head);
 	if (rp)
 	{
-		TAILQ_REMOVE(q, rp, next);
+		TAILQ_REMOVE(&q->head, rp, next);
 		q->cached_count--;
 	}
 	return rp;
@@ -57,7 +57,7 @@ struct rawpacket *rawpacket_queue(struct rawpacket_tailhead *q,const struct sock
 	rp->len=len;
 	rp->len_payload=len_payload;
 	
-	TAILQ_INSERT_TAIL(q, rp, next);
+	TAILQ_INSERT_TAIL(&q->head, rp, next);
 	q->cached_count++;
 	
 	return rp;
@@ -69,5 +69,5 @@ unsigned int rawpacket_queue_count(const struct rawpacket_tailhead *q)
 }
 bool rawpacket_queue_empty(const struct rawpacket_tailhead *q)
 {
-	return !TAILQ_FIRST(q);
+	return !TAILQ_FIRST(&q->head);
 }
diff --git a/nfq/packet_queue.h b/nfq/packet_queue.h
index 221f7f5b..8b218a7b 100644
--- a/nfq/packet_queue.h
+++ b/nfq/packet_queue.h
@@ -15,9 +15,9 @@ struct rawpacket
 	uint8_t *packet;
 	TAILQ_ENTRY(rawpacket) next;
 };
+TAILQ_HEAD(rawpacket_tailq, rawpacket);
 struct rawpacket_tailhead {
-	struct rawpacket *tqh_first;
-	struct rawpacket **tqh_last;
+	struct rawpacket_tailq head;
 	unsigned int cached_count;
 };