87 	struct efx_loopback_payload payload;  member
274 	struct efx_loopback_payload *payload;  in efx_loopback_rx_packet()  local
282 	payload = &state->payload;  in efx_loopback_rx_packet()
285 	received->ip.saddr = payload->ip.saddr;  in efx_loopback_rx_packet()
287 		received->ip.check = payload->ip.check;  in efx_loopback_rx_packet()
298 	if (memcmp(&received->header, &payload->header, ETH_HLEN) != 0) {  in efx_loopback_rx_packet()
306 	if (pkt_len != sizeof(*payload)) {  in efx_loopback_rx_packet()
309 			  "%s loopback test\n", pkt_len, (int)sizeof(*payload),  in efx_loopback_rx_packet()
315 	if (memcmp(&received->ip, &payload->ip, sizeof(payload->ip)) != 0) {  in efx_loopback_rx_packet()
323 	if (memcmp(&received->msg, &payload->msg, sizeof(received->msg)) != 0) {  in efx_loopback_rx_packet()
331 	if (received->iteration != payload->iteration) {  in efx_loopback_rx_packet()
335 			  ntohs(payload->iteration), LOOPBACK_MODE(efx));  in efx_loopback_rx_packet()
354 			       &state->payload, sizeof(state->payload), 0);  in efx_loopback_rx_packet()
365 	struct efx_loopback_payload *payload = &state->payload;  in efx_iterate_state()  local
368 	ether_addr_copy((u8 *)&payload->header.h_dest, net_dev->dev_addr);  in efx_iterate_state()
369 	ether_addr_copy((u8 *)&payload->header.h_source, payload_source);  in efx_iterate_state()
370 	payload->header.h_proto = htons(ETH_P_IP);  in efx_iterate_state()
373 	payload->ip.daddr = htonl(INADDR_LOOPBACK);  in efx_iterate_state()
374 	payload->ip.ihl = 5;  in efx_iterate_state()
375 	payload->ip.check = (__force __sum16) htons(0xdead);  in efx_iterate_state()
376 	payload->ip.tot_len = htons(sizeof(*payload) - sizeof(struct ethhdr));  in efx_iterate_state()
377 	payload->ip.version = IPVERSION;  in efx_iterate_state()
378 	payload->ip.protocol = IPPROTO_UDP;  in efx_iterate_state()
381 	payload->udp.source = 0;  in efx_iterate_state()
382 	payload->udp.len = htons(sizeof(*payload) - sizeof(struct ethhdr) -  in efx_iterate_state()
384 	payload->udp.check = 0;	/* checksum ignored */  in efx_iterate_state()
387 	payload->iteration = htons(ntohs(payload->iteration) + 1);  in efx_iterate_state()
388 	memcpy(&payload->msg, payload_msg, sizeof(payload_msg));  in efx_iterate_state()
400 	struct efx_loopback_payload *payload;  in efx_begin_loopback()  local
409 		skb = alloc_skb(sizeof(state->payload), GFP_KERNEL);  in efx_begin_loopback()
417 		payload = ((struct efx_loopback_payload *)  in efx_begin_loopback()
418 			   skb_put(skb, sizeof(state->payload)));  in efx_begin_loopback()
419 		memcpy(payload, &state->payload, sizeof(state->payload));  in efx_begin_loopback()
420 		payload->ip.saddr = htonl(INADDR_LOOPBACK | (i << 2));  in efx_begin_loopback()