1 // SPDX-License-Identifier: GPL-2.0
31  * iavf_validate_fdir_fltr_masks - validate Flow Director filter fields masks
41 	if (fltr->eth_mask.etype && fltr->eth_mask.etype != htons(U16_MAX))  in iavf_validate_fdir_fltr_masks()
44 	if (fltr->ip_ver == 4) {  in iavf_validate_fdir_fltr_masks()
45 		if (fltr->ip_mask.v4_addrs.src_ip &&  in iavf_validate_fdir_fltr_masks()
46 		    fltr->ip_mask.v4_addrs.src_ip != htonl(U32_MAX))  in iavf_validate_fdir_fltr_masks()
49 		if (fltr->ip_mask.v4_addrs.dst_ip &&  in iavf_validate_fdir_fltr_masks()
50 		    fltr->ip_mask.v4_addrs.dst_ip != htonl(U32_MAX))  in iavf_validate_fdir_fltr_masks()
53 		if (fltr->ip_mask.tos && fltr->ip_mask.tos != U8_MAX)  in iavf_validate_fdir_fltr_masks()
55 	} else if (fltr->ip_ver == 6) {  in iavf_validate_fdir_fltr_masks()
56 		if (memcmp(&fltr->ip_mask.v6_addrs.src_ip, &ipv6_addr_zero_mask,  in iavf_validate_fdir_fltr_masks()
58 		    memcmp(&fltr->ip_mask.v6_addrs.src_ip, &ipv6_addr_full_mask,  in iavf_validate_fdir_fltr_masks()
62 		if (memcmp(&fltr->ip_mask.v6_addrs.dst_ip, &ipv6_addr_zero_mask,  in iavf_validate_fdir_fltr_masks()
64 		    memcmp(&fltr->ip_mask.v6_addrs.dst_ip, &ipv6_addr_full_mask,  in iavf_validate_fdir_fltr_masks()
68 		if (fltr->ip_mask.tclass && fltr->ip_mask.tclass != U8_MAX)  in iavf_validate_fdir_fltr_masks()
72 	if (fltr->ip_mask.proto && fltr->ip_mask.proto != U8_MAX)  in iavf_validate_fdir_fltr_masks()
75 	if (fltr->ip_mask.src_port && fltr->ip_mask.src_port != htons(U16_MAX))  in iavf_validate_fdir_fltr_masks()
78 	if (fltr->ip_mask.dst_port && fltr->ip_mask.dst_port != htons(U16_MAX))  in iavf_validate_fdir_fltr_masks()
81 	if (fltr->ip_mask.spi && fltr->ip_mask.spi != htonl(U32_MAX))  in iavf_validate_fdir_fltr_masks()
84 	if (fltr->ip_mask.l4_header &&  in iavf_validate_fdir_fltr_masks()
85 	    fltr->ip_mask.l4_header != htonl(U32_MAX))  in iavf_validate_fdir_fltr_masks()
91 …dev_err(&adapter->pdev->dev, "Failed to add Flow Director filter, partial masks are not supported\…  in iavf_validate_fdir_fltr_masks()
92 	return -EOPNOTSUPP;  in iavf_validate_fdir_fltr_masks()
96  * iavf_pkt_udp_no_pay_len - the length of UDP packet without payload
102 	       (fltr->ip_ver == 4 ? sizeof(struct iphdr) : sizeof(struct ipv6hdr)) +  in iavf_pkt_udp_no_pay_len()
107  * iavf_fill_fdir_gtpu_hdr - fill the GTP-U protocol header
109  * @proto_hdrs: Flow Director protocol headers data structure
111  * Returns 0 if the GTP-U protocol header is set successfully
117 	struct virtchnl_proto_hdr *uhdr = &proto_hdrs->proto_hdr[proto_hdrs->count - 1];  in iavf_fill_fdir_gtpu_hdr()
118 	struct virtchnl_proto_hdr *ghdr = &proto_hdrs->proto_hdr[proto_hdrs->count++];  in iavf_fill_fdir_gtpu_hdr()
127 	for (i = 0; i < fltr->flex_cnt; i++) {  in iavf_fill_fdir_gtpu_hdr()
138 		if (fltr->flex_words[i].offset < adj_offs)  in iavf_fill_fdir_gtpu_hdr()
139 			return -EINVAL;  in iavf_fill_fdir_gtpu_hdr()
141 		hdr_offs = fltr->flex_words[i].offset - adj_offs;  in iavf_fill_fdir_gtpu_hdr()
146 			__be16 *pay_word = (__be16 *)ghdr->buffer;  in iavf_fill_fdir_gtpu_hdr()
148 			pay_word[hdr_offs >> 1] = htons(fltr->flex_words[i].word);  in iavf_fill_fdir_gtpu_hdr()
153 			if ((fltr->flex_words[i].word &  in iavf_fill_fdir_gtpu_hdr()
156 				return -EOPNOTSUPP;  in iavf_fill_fdir_gtpu_hdr()
158 				ehdr = &proto_hdrs->proto_hdr[proto_hdrs->count++];  in iavf_fill_fdir_gtpu_hdr()
163 				return -EINVAL;  in iavf_fill_fdir_gtpu_hdr()
164 			ehdr->buffer[IAVF_GTPU_EH_QFI_IDX] =  in iavf_fill_fdir_gtpu_hdr()
165 					fltr->flex_words[i].word &  in iavf_fill_fdir_gtpu_hdr()
170 			return -EINVAL;  in iavf_fill_fdir_gtpu_hdr()
174 	uhdr->field_selector = 0; /* The PF ignores the UDP header fields */  in iavf_fill_fdir_gtpu_hdr()
180  * iavf_fill_fdir_pfcp_hdr - fill the PFCP protocol header
182  * @proto_hdrs: Flow Director protocol headers data structure
184  * Returns 0 if the PFCP protocol header is set successfully
190 	struct virtchnl_proto_hdr *uhdr = &proto_hdrs->proto_hdr[proto_hdrs->count - 1];  in iavf_fill_fdir_pfcp_hdr()
191 	struct virtchnl_proto_hdr *hdr = &proto_hdrs->proto_hdr[proto_hdrs->count++];  in iavf_fill_fdir_pfcp_hdr()
199 	for (i = 0; i < fltr->flex_cnt; i++) {  in iavf_fill_fdir_pfcp_hdr()
201 		if (fltr->flex_words[i].offset < adj_offs)  in iavf_fill_fdir_pfcp_hdr()
202 			return -EINVAL;  in iavf_fill_fdir_pfcp_hdr()
204 		hdr_offs = fltr->flex_words[i].offset - adj_offs;  in iavf_fill_fdir_pfcp_hdr()
208 			hdr->buffer[0] = (fltr->flex_words[i].word >> 8) & 0xff;  in iavf_fill_fdir_pfcp_hdr()
212 			return -EINVAL;  in iavf_fill_fdir_pfcp_hdr()
216 	uhdr->field_selector = 0; /* The PF ignores the UDP header fields */  in iavf_fill_fdir_pfcp_hdr()
222  * iavf_fill_fdir_nat_t_esp_hdr - fill the NAT-T-ESP protocol header
224  * @proto_hdrs: Flow Director protocol headers data structure
226  * Returns 0 if the NAT-T-ESP protocol header is set successfully
232 	struct virtchnl_proto_hdr *uhdr = &proto_hdrs->proto_hdr[proto_hdrs->count - 1];  in iavf_fill_fdir_nat_t_esp_hdr()
233 	struct virtchnl_proto_hdr *hdr = &proto_hdrs->proto_hdr[proto_hdrs->count++];  in iavf_fill_fdir_nat_t_esp_hdr()
242 	for (i = 0; i < fltr->flex_cnt; i++) {  in iavf_fill_fdir_nat_t_esp_hdr()
245 		if (fltr->flex_words[i].offset < adj_offs)  in iavf_fill_fdir_nat_t_esp_hdr()
246 			return -EINVAL;  in iavf_fill_fdir_nat_t_esp_hdr()
248 		hdr_offs = fltr->flex_words[i].offset - adj_offs;  in iavf_fill_fdir_nat_t_esp_hdr()
252 			spi |= fltr->flex_words[i].word << 16;  in iavf_fill_fdir_nat_t_esp_hdr()
255 			spi |= fltr->flex_words[i].word;  in iavf_fill_fdir_nat_t_esp_hdr()
258 			return -EINVAL;  in iavf_fill_fdir_nat_t_esp_hdr()
263 		return -EOPNOTSUPP; /* Not support IKE Header Format with SPI 0 */  in iavf_fill_fdir_nat_t_esp_hdr()
265 	*(__be32 *)hdr->buffer = htonl(spi);  in iavf_fill_fdir_nat_t_esp_hdr()
268 	uhdr->field_selector = 0; /* The PF ignores the UDP header fields */  in iavf_fill_fdir_nat_t_esp_hdr()
274  * iavf_fill_fdir_udp_flex_pay_hdr - fill the UDP payload header
276  * @proto_hdrs: Flow Director protocol headers data structure
278  * Returns 0 if the UDP payload defined protocol header is set successfully
286 	switch (ntohs(fltr->ip_data.dst_port)) {  in iavf_fill_fdir_udp_flex_pay_hdr()
297 		err = -EOPNOTSUPP;  in iavf_fill_fdir_udp_flex_pay_hdr()
305  * iavf_fill_fdir_ip4_hdr - fill the IPv4 protocol header
307  * @proto_hdrs: Flow Director protocol headers data structure
309  * Returns 0 if the IPv4 protocol header is set successfully
315 	struct virtchnl_proto_hdr *hdr = &proto_hdrs->proto_hdr[proto_hdrs->count++];  in iavf_fill_fdir_ip4_hdr()
316 	struct iphdr *iph = (struct iphdr *)hdr->buffer;  in iavf_fill_fdir_ip4_hdr()
320 	if (fltr->ip_mask.tos == U8_MAX) {  in iavf_fill_fdir_ip4_hdr()
321 		iph->tos = fltr->ip_data.tos;  in iavf_fill_fdir_ip4_hdr()
325 	if (fltr->ip_mask.proto == U8_MAX) {  in iavf_fill_fdir_ip4_hdr()
326 		iph->protocol = fltr->ip_data.proto;  in iavf_fill_fdir_ip4_hdr()
330 	if (fltr->ip_mask.v4_addrs.src_ip == htonl(U32_MAX)) {  in iavf_fill_fdir_ip4_hdr()
331 		iph->saddr = fltr->ip_data.v4_addrs.src_ip;  in iavf_fill_fdir_ip4_hdr()
335 	if (fltr->ip_mask.v4_addrs.dst_ip == htonl(U32_MAX)) {  in iavf_fill_fdir_ip4_hdr()
336 		iph->daddr = fltr->ip_data.v4_addrs.dst_ip;  in iavf_fill_fdir_ip4_hdr()
344  * iavf_fill_fdir_ip6_hdr - fill the IPv6 protocol header
346  * @proto_hdrs: Flow Director protocol headers data structure
348  * Returns 0 if the IPv6 protocol header is set successfully
354 	struct virtchnl_proto_hdr *hdr = &proto_hdrs->proto_hdr[proto_hdrs->count++];  in iavf_fill_fdir_ip6_hdr()
355 	struct ipv6hdr *iph = (struct ipv6hdr *)hdr->buffer;  in iavf_fill_fdir_ip6_hdr()
359 	if (fltr->ip_mask.tclass == U8_MAX) {  in iavf_fill_fdir_ip6_hdr()
360 		iph->priority = (fltr->ip_data.tclass >> 4) & 0xF;  in iavf_fill_fdir_ip6_hdr()
361 		iph->flow_lbl[0] = FIELD_PREP(0xF0, fltr->ip_data.tclass);  in iavf_fill_fdir_ip6_hdr()
365 	if (fltr->ip_mask.proto == U8_MAX) {  in iavf_fill_fdir_ip6_hdr()
366 		iph->nexthdr = fltr->ip_data.proto;  in iavf_fill_fdir_ip6_hdr()
370 	if (!memcmp(&fltr->ip_mask.v6_addrs.src_ip, &ipv6_addr_full_mask,  in iavf_fill_fdir_ip6_hdr()
372 		memcpy(&iph->saddr, &fltr->ip_data.v6_addrs.src_ip,  in iavf_fill_fdir_ip6_hdr()
377 	if (!memcmp(&fltr->ip_mask.v6_addrs.dst_ip, &ipv6_addr_full_mask,  in iavf_fill_fdir_ip6_hdr()
379 		memcpy(&iph->daddr, &fltr->ip_data.v6_addrs.dst_ip,  in iavf_fill_fdir_ip6_hdr()
388  * iavf_fill_fdir_tcp_hdr - fill the TCP protocol header
390  * @proto_hdrs: Flow Director protocol headers data structure
392  * Returns 0 if the TCP protocol header is set successfully
398 	struct virtchnl_proto_hdr *hdr = &proto_hdrs->proto_hdr[proto_hdrs->count++];  in iavf_fill_fdir_tcp_hdr()
399 	struct tcphdr *tcph = (struct tcphdr *)hdr->buffer;  in iavf_fill_fdir_tcp_hdr()
403 	if (fltr->ip_mask.src_port == htons(U16_MAX)) {  in iavf_fill_fdir_tcp_hdr()
404 		tcph->source = fltr->ip_data.src_port;  in iavf_fill_fdir_tcp_hdr()
408 	if (fltr->ip_mask.dst_port == htons(U16_MAX)) {  in iavf_fill_fdir_tcp_hdr()
409 		tcph->dest = fltr->ip_data.dst_port;  in iavf_fill_fdir_tcp_hdr()
417  * iavf_fill_fdir_udp_hdr - fill the UDP protocol header
419  * @proto_hdrs: Flow Director protocol headers data structure
421  * Returns 0 if the UDP protocol header is set successfully
427 	struct virtchnl_proto_hdr *hdr = &proto_hdrs->proto_hdr[proto_hdrs->count++];  in iavf_fill_fdir_udp_hdr()
428 	struct udphdr *udph = (struct udphdr *)hdr->buffer;  in iavf_fill_fdir_udp_hdr()
432 	if (fltr->ip_mask.src_port == htons(U16_MAX)) {  in iavf_fill_fdir_udp_hdr()
433 		udph->source = fltr->ip_data.src_port;  in iavf_fill_fdir_udp_hdr()
437 	if (fltr->ip_mask.dst_port == htons(U16_MAX)) {  in iavf_fill_fdir_udp_hdr()
438 		udph->dest = fltr->ip_data.dst_port;  in iavf_fill_fdir_udp_hdr()
442 	if (!fltr->flex_cnt)  in iavf_fill_fdir_udp_hdr()
449  * iavf_fill_fdir_sctp_hdr - fill the SCTP protocol header
451  * @proto_hdrs: Flow Director protocol headers data structure
453  * Returns 0 if the SCTP protocol header is set successfully
459 	struct virtchnl_proto_hdr *hdr = &proto_hdrs->proto_hdr[proto_hdrs->count++];  in iavf_fill_fdir_sctp_hdr()
460 	struct sctphdr *sctph = (struct sctphdr *)hdr->buffer;  in iavf_fill_fdir_sctp_hdr()
464 	if (fltr->ip_mask.src_port == htons(U16_MAX)) {  in iavf_fill_fdir_sctp_hdr()
465 		sctph->source = fltr->ip_data.src_port;  in iavf_fill_fdir_sctp_hdr()
469 	if (fltr->ip_mask.dst_port == htons(U16_MAX)) {  in iavf_fill_fdir_sctp_hdr()
470 		sctph->dest = fltr->ip_data.dst_port;  in iavf_fill_fdir_sctp_hdr()
478  * iavf_fill_fdir_ah_hdr - fill the AH protocol header
480  * @proto_hdrs: Flow Director protocol headers data structure
482  * Returns 0 if the AH protocol header is set successfully
488 	struct virtchnl_proto_hdr *hdr = &proto_hdrs->proto_hdr[proto_hdrs->count++];  in iavf_fill_fdir_ah_hdr()
489 	struct ip_auth_hdr *ah = (struct ip_auth_hdr *)hdr->buffer;  in iavf_fill_fdir_ah_hdr()
493 	if (fltr->ip_mask.spi == htonl(U32_MAX)) {  in iavf_fill_fdir_ah_hdr()
494 		ah->spi = fltr->ip_data.spi;  in iavf_fill_fdir_ah_hdr()
502  * iavf_fill_fdir_esp_hdr - fill the ESP protocol header
504  * @proto_hdrs: Flow Director protocol headers data structure
506  * Returns 0 if the ESP protocol header is set successfully
512 	struct virtchnl_proto_hdr *hdr = &proto_hdrs->proto_hdr[proto_hdrs->count++];  in iavf_fill_fdir_esp_hdr()
513 	struct ip_esp_hdr *esph = (struct ip_esp_hdr *)hdr->buffer;  in iavf_fill_fdir_esp_hdr()
517 	if (fltr->ip_mask.spi == htonl(U32_MAX)) {  in iavf_fill_fdir_esp_hdr()
518 		esph->spi = fltr->ip_data.spi;  in iavf_fill_fdir_esp_hdr()
526  * iavf_fill_fdir_l4_hdr - fill the L4 protocol header
528  * @proto_hdrs: Flow Director protocol headers data structure
530  * Returns 0 if the L4 protocol header is set successfully
539 	if (!fltr->ip_mask.proto) /* IPv4/IPv6 header only */  in iavf_fill_fdir_l4_hdr()
542 	hdr = &proto_hdrs->proto_hdr[proto_hdrs->count++];  in iavf_fill_fdir_l4_hdr()
543 	l4_4_data = (__be32 *)hdr->buffer;  in iavf_fill_fdir_l4_hdr()
545 	/* L2TPv3 over IP with 'Session ID' */  in iavf_fill_fdir_l4_hdr()
546 	if (fltr->ip_data.proto == 115 && fltr->ip_mask.l4_header == htonl(U32_MAX)) {  in iavf_fill_fdir_l4_hdr()
550 		*l4_4_data = fltr->ip_data.l4_header;  in iavf_fill_fdir_l4_hdr()
552 		return -EOPNOTSUPP;  in iavf_fill_fdir_l4_hdr()
559  * iavf_fill_fdir_eth_hdr - fill the Ethernet protocol header
561  * @proto_hdrs: Flow Director protocol headers data structure
563  * Returns 0 if the Ethernet protocol header is set successfully
569 	struct virtchnl_proto_hdr *hdr = &proto_hdrs->proto_hdr[proto_hdrs->count++];  in iavf_fill_fdir_eth_hdr()
570 	struct ethhdr *ehdr = (struct ethhdr *)hdr->buffer;  in iavf_fill_fdir_eth_hdr()
574 	if (fltr->eth_mask.etype == htons(U16_MAX)) {  in iavf_fill_fdir_eth_hdr()
575 		if (fltr->eth_data.etype == htons(ETH_P_IP) ||  in iavf_fill_fdir_eth_hdr()
576 		    fltr->eth_data.etype == htons(ETH_P_IPV6))  in iavf_fill_fdir_eth_hdr()
577 			return -EOPNOTSUPP;  in iavf_fill_fdir_eth_hdr()
579 		ehdr->h_proto = fltr->eth_data.etype;  in iavf_fill_fdir_eth_hdr()
587  * iavf_fill_fdir_add_msg - fill the Flow Director filter into virtchnl message
595 	struct virtchnl_fdir_add *vc_msg = &fltr->vc_add_msg;  in iavf_fill_fdir_add_msg()
599 	proto_hdrs = &vc_msg->rule_cfg.proto_hdrs;  in iavf_fill_fdir_add_msg()
605 	switch (fltr->flow_type) {  in iavf_fill_fdir_add_msg()
657 		err = -EINVAL;  in iavf_fill_fdir_add_msg()
664 	vc_msg->vsi_id = adapter->vsi.id;  in iavf_fill_fdir_add_msg()
665 	vc_msg->rule_cfg.action_set.count = 1;  in iavf_fill_fdir_add_msg()
666 	vc_msg->rule_cfg.action_set.actions[0].type = fltr->action;  in iavf_fill_fdir_add_msg()
667 	vc_msg->rule_cfg.action_set.actions[0].act_conf.queue.index = fltr->q_index;  in iavf_fill_fdir_add_msg()
673  * iavf_fdir_flow_proto_name - get the flow protocol name
713 	const char *proto = iavf_fdir_flow_proto_name(fltr->flow_type);  in iavf_print_fdir_fltr()
718 	switch (fltr->flow_type) {  in iavf_print_fdir_fltr()
722 …dev_info(&adapter->pdev->dev, "Rule ID: %u dst_ip: %pI4 src_ip %pI4 %s: dst_port %hu src_port %hu\…  in iavf_print_fdir_fltr()
723 			 fltr->loc,  in iavf_print_fdir_fltr()
724 			 &fltr->ip_data.v4_addrs.dst_ip,  in iavf_print_fdir_fltr()
725 			 &fltr->ip_data.v4_addrs.src_ip,  in iavf_print_fdir_fltr()
727 			 ntohs(fltr->ip_data.dst_port),  in iavf_print_fdir_fltr()
728 			 ntohs(fltr->ip_data.src_port));  in iavf_print_fdir_fltr()
732 		dev_info(&adapter->pdev->dev, "Rule ID: %u dst_ip: %pI4 src_ip %pI4 %s: SPI %u\n",  in iavf_print_fdir_fltr()
733 			 fltr->loc,  in iavf_print_fdir_fltr()
734 			 &fltr->ip_data.v4_addrs.dst_ip,  in iavf_print_fdir_fltr()
735 			 &fltr->ip_data.v4_addrs.src_ip,  in iavf_print_fdir_fltr()
737 			 ntohl(fltr->ip_data.spi));  in iavf_print_fdir_fltr()
740 		dev_info(&adapter->pdev->dev, "Rule ID: %u dst_ip: %pI4 src_ip %pI4 proto: %u L4_bytes: 0x%x\n",  in iavf_print_fdir_fltr()
741 			 fltr->loc,  in iavf_print_fdir_fltr()
742 			 &fltr->ip_data.v4_addrs.dst_ip,  in iavf_print_fdir_fltr()
743 			 &fltr->ip_data.v4_addrs.src_ip,  in iavf_print_fdir_fltr()
744 			 fltr->ip_data.proto,  in iavf_print_fdir_fltr()
745 			 ntohl(fltr->ip_data.l4_header));  in iavf_print_fdir_fltr()
750 …dev_info(&adapter->pdev->dev, "Rule ID: %u dst_ip: %pI6 src_ip %pI6 %s: dst_port %hu src_port %hu\…  in iavf_print_fdir_fltr()
751 			 fltr->loc,  in iavf_print_fdir_fltr()
752 			 &fltr->ip_data.v6_addrs.dst_ip,  in iavf_print_fdir_fltr()
753 			 &fltr->ip_data.v6_addrs.src_ip,  in iavf_print_fdir_fltr()
755 			 ntohs(fltr->ip_data.dst_port),  in iavf_print_fdir_fltr()
756 			 ntohs(fltr->ip_data.src_port));  in iavf_print_fdir_fltr()
760 		dev_info(&adapter->pdev->dev, "Rule ID: %u dst_ip: %pI6 src_ip %pI6 %s: SPI %u\n",  in iavf_print_fdir_fltr()
761 			 fltr->loc,  in iavf_print_fdir_fltr()
762 			 &fltr->ip_data.v6_addrs.dst_ip,  in iavf_print_fdir_fltr()
763 			 &fltr->ip_data.v6_addrs.src_ip,  in iavf_print_fdir_fltr()
765 			 ntohl(fltr->ip_data.spi));  in iavf_print_fdir_fltr()
768 		dev_info(&adapter->pdev->dev, "Rule ID: %u dst_ip: %pI6 src_ip %pI6 proto: %u L4_bytes: 0x%x\n",  in iavf_print_fdir_fltr()
769 			 fltr->loc,  in iavf_print_fdir_fltr()
770 			 &fltr->ip_data.v6_addrs.dst_ip,  in iavf_print_fdir_fltr()
771 			 &fltr->ip_data.v6_addrs.src_ip,  in iavf_print_fdir_fltr()
772 			 fltr->ip_data.proto,  in iavf_print_fdir_fltr()
773 			 ntohl(fltr->ip_data.l4_header));  in iavf_print_fdir_fltr()
776 		dev_info(&adapter->pdev->dev, "Rule ID: %u eth_type: 0x%x\n",  in iavf_print_fdir_fltr()
777 			 fltr->loc,  in iavf_print_fdir_fltr()
778 			 ntohs(fltr->eth_data.etype));  in iavf_print_fdir_fltr()
786  * iavf_fdir_is_dup_fltr - test if filter is already in list
797 	spin_lock_bh(&adapter->fdir_fltr_lock);  in iavf_fdir_is_dup_fltr()
798 	list_for_each_entry(tmp, &adapter->fdir_list_head, list) {  in iavf_fdir_is_dup_fltr()
802 		if (tmp->flow_type != fltr->flow_type)  in iavf_fdir_is_dup_fltr()
805 		if (!memcmp(&tmp->eth_data, &fltr->eth_data,  in iavf_fdir_is_dup_fltr()
806 			    sizeof(fltr->eth_data)) &&  in iavf_fdir_is_dup_fltr()
807 		    !memcmp(&tmp->ip_data, &fltr->ip_data,  in iavf_fdir_is_dup_fltr()
808 			    sizeof(fltr->ip_data)) &&  in iavf_fdir_is_dup_fltr()
809 		    !memcmp(&tmp->ext_data, &fltr->ext_data,  in iavf_fdir_is_dup_fltr()
810 			    sizeof(fltr->ext_data))) {  in iavf_fdir_is_dup_fltr()
815 	spin_unlock_bh(&adapter->fdir_fltr_lock);  in iavf_fdir_is_dup_fltr()
821  * iavf_find_fdir_fltr - find FDIR filter
824  * @data: data to ID the filter, type dependent
833 	list_for_each_entry(rule, &adapter->fdir_list_head, list) {  in iavf_find_fdir_fltr()
834 		if ((is_raw && rule->cls_u32_handle == data) ||  in iavf_find_fdir_fltr()
835 		    (!is_raw && rule->loc == data))  in iavf_find_fdir_fltr()
843  * iavf_fdir_add_fltr - add a new node to the flow director filter list
854 	spin_lock_bh(&adapter->fdir_fltr_lock);  in iavf_fdir_add_fltr()
856 		spin_unlock_bh(&adapter->fdir_fltr_lock);  in iavf_fdir_add_fltr()
857 		dev_err(&adapter->pdev->dev,  in iavf_fdir_add_fltr()
860 		return -ENOSPC;  in iavf_fdir_add_fltr()
863 	list_for_each_entry(rule, &adapter->fdir_list_head, list) {  in iavf_fdir_add_fltr()
867 		if (rule->loc >= fltr->loc)  in iavf_fdir_add_fltr()
873 		list_add(&fltr->list, &parent->list);  in iavf_fdir_add_fltr()
875 		list_add(&fltr->list, &adapter->fdir_list_head);  in iavf_fdir_add_fltr()
879 	if (adapter->link_up)  in iavf_fdir_add_fltr()
880 		fltr->state = IAVF_FDIR_FLTR_ADD_REQUEST;  in iavf_fdir_add_fltr()
882 		fltr->state = IAVF_FDIR_FLTR_INACTIVE;  in iavf_fdir_add_fltr()
883 	spin_unlock_bh(&adapter->fdir_fltr_lock);  in iavf_fdir_add_fltr()
885 	if (adapter->link_up)  in iavf_fdir_add_fltr()
892  * iavf_fdir_del_fltr - delete a flow director filter from the list
895  * @data: data to ID the filter, type dependent
904 	spin_lock_bh(&adapter->fdir_fltr_lock);  in iavf_fdir_del_fltr()
908 		if (fltr->state == IAVF_FDIR_FLTR_ACTIVE) {  in iavf_fdir_del_fltr()
909 			fltr->state = IAVF_FDIR_FLTR_DEL_REQUEST;  in iavf_fdir_del_fltr()
910 		} else if (fltr->state == IAVF_FDIR_FLTR_INACTIVE) {  in iavf_fdir_del_fltr()
911 			list_del(&fltr->list);  in iavf_fdir_del_fltr()
916 			err = -EBUSY;  in iavf_fdir_del_fltr()
918 	} else if (adapter->fdir_active_fltr) {  in iavf_fdir_del_fltr()
919 		err = -EINVAL;  in iavf_fdir_del_fltr()
922 	if (fltr && fltr->state == IAVF_FDIR_FLTR_DEL_REQUEST)  in iavf_fdir_del_fltr()
925 	spin_unlock_bh(&adapter->fdir_fltr_lock);  in iavf_fdir_del_fltr()