114 static void reassembly_info(char *str, struct net_ipv4_reassembly *reass)  in reassembly_info()  argument
116 	LOG_DBG("%s id 0x%x src %s dst %s remain %d ms", str, reass->id,  in reassembly_info()
117 		net_sprint_ipv4_addr(&reass->src),  in reassembly_info()
118 		net_sprint_ipv4_addr(&reass->dst),  in reassembly_info()
120 			k_work_delayable_remaining_get(&reass->timer)));  in reassembly_info()
126 	struct net_ipv4_reassembly *reass =  in reassembly_timeout()  local
129 	reassembly_info("Reassembly cancelled", reass);  in reassembly_timeout()
132 	if (reass->pkt[0] && net_pkt_ipv4_fragment_offset(reass->pkt[0]) == 0) {  in reassembly_timeout()
133 		net_icmpv4_send_error(reass->pkt[0], NET_ICMPV4_TIME_EXCEEDED,  in reassembly_timeout()
137 	reassembly_cancel(reass->id, &reass->src, &reass->dst);  in reassembly_timeout()
140 static void reassemble_packet(struct net_ipv4_reassembly *reass)  in reassemble_packet()  argument
148 	k_work_cancel_delayable(&reass->timer);  in reassemble_packet()
150 	NET_ASSERT(reass->pkt[0]);  in reassemble_packet()
152 	last = net_buf_frag_last(reass->pkt[0]->buffer);  in reassemble_packet()
156 		pkt = reass->pkt[i];  in reassemble_packet()
174 			reassembly_cancel(reass->id, &reass->src, &reass->dst);  in reassemble_packet()
183 		reass->pkt[i] = NULL;  in reassemble_packet()
188 	pkt = reass->pkt[0];  in reassemble_packet()
189 	reass->pkt[0] = NULL;  in reassemble_packet()
244 static int fragments_are_ready(struct net_ipv4_reassembly *reass)  in fragments_are_ready()  argument
260 		struct net_pkt *pkt = reass->pkt[i];  in fragments_are_ready()
295 static int shift_packets(struct net_ipv4_reassembly *reass, int pos)  in shift_packets()  argument
300 		if (!reass->pkt[i]) {  in shift_packets()
301 			LOG_DBG("Moving [%d] %p (offset 0x%x) to [%d]", pos, reass->pkt[pos],  in shift_packets()
302 				net_pkt_ipv4_fragment_offset(reass->pkt[pos]), pos + 1);  in shift_packets()
307 			memmove(&reass->pkt[pos + 1], &reass->pkt[pos],  in shift_packets()
311 			reass->pkt[pos] = NULL;  in shift_packets()
323 	struct net_ipv4_reassembly *reass = NULL;  in net_ipv4_handle_fragment_hdr()  local
334 	reass = reassembly_get(id, (struct in_addr *)hdr->src,  in net_ipv4_handle_fragment_hdr()
336 	if (!reass) {  in net_ipv4_handle_fragment_hdr()
357 		if (reass->pkt[i]) {  in net_ipv4_handle_fragment_hdr()
358 			if (net_pkt_ipv4_fragment_offset(reass->pkt[i]) <  in net_ipv4_handle_fragment_hdr()
366 			if (shift_packets(reass, i)) {  in net_ipv4_handle_fragment_hdr()
373 		reass->pkt[i] = pkt;  in net_ipv4_handle_fragment_hdr()
383 		LOG_ERR("No slots available for 0x%x", reass->id);  in net_ipv4_handle_fragment_hdr()
388 	ret = fragments_are_ready(reass);  in net_ipv4_handle_fragment_hdr()
390 		LOG_ERR("Reassembled IPv4 verify failed, dropping id %u", reass->id);  in net_ipv4_handle_fragment_hdr()
394 			reass->pkt[i] = NULL;  in net_ipv4_handle_fragment_hdr()
400 		reassembly_info("Reassembly nth pkt", reass);  in net_ipv4_handle_fragment_hdr()
406 	reassembly_info("Reassembly last pkt", reass);  in net_ipv4_handle_fragment_hdr()
409 	reassemble_packet(reass);  in net_ipv4_handle_fragment_hdr()
415 	if (reass) {  in net_ipv4_handle_fragment_hdr()
416 		if (reassembly_cancel(reass->id, &reass->src, &reass->dst)) {  in net_ipv4_handle_fragment_hdr()