91 	struct efx_loopback_payload payload;  member
290 	struct efx_loopback_payload *payload;  in efx_loopback_rx_packet()  local
298 	payload = &state->payload;  in efx_loopback_rx_packet()
302 	received.ip.saddr = payload->ip.saddr;  in efx_loopback_rx_packet()
304 		received.ip.check = payload->ip.check;  in efx_loopback_rx_packet()
315 	if (memcmp(&received.header, &payload->header, ETH_HLEN) != 0) {  in efx_loopback_rx_packet()
332 	if (memcmp(&received.ip, &payload->ip, sizeof(payload->ip)) != 0) {  in efx_loopback_rx_packet()
340 	if (memcmp(&received.msg, &payload->msg, sizeof(received.msg)) != 0) {  in efx_loopback_rx_packet()
348 	if (received.iteration != payload->iteration) {  in efx_loopback_rx_packet()
352 			  ntohs(payload->iteration), LOOPBACK_MODE(efx));  in efx_loopback_rx_packet()
371 			       &state->payload.packet, EFX_LOOPBACK_PAYLOAD_LEN,  in efx_loopback_rx_packet()
383 	struct efx_loopback_payload *payload = &state->payload;  in efx_iterate_state()  local
386 	ether_addr_copy((u8 *)&payload->header.h_dest, net_dev->dev_addr);  in efx_iterate_state()
387 	ether_addr_copy((u8 *)&payload->header.h_source, payload_source);  in efx_iterate_state()
388 	payload->header.h_proto = htons(ETH_P_IP);  in efx_iterate_state()
391 	payload->ip.daddr = htonl(INADDR_LOOPBACK);  in efx_iterate_state()
392 	payload->ip.ihl = 5;  in efx_iterate_state()
393 	payload->ip.check = (__force __sum16) htons(0xdead);  in efx_iterate_state()
394 	payload->ip.tot_len = htons(sizeof(*payload) -  in efx_iterate_state()
396 	payload->ip.version = IPVERSION;  in efx_iterate_state()
397 	payload->ip.protocol = IPPROTO_UDP;  in efx_iterate_state()
400 	payload->udp.source = 0;  in efx_iterate_state()
401 	payload->udp.len = htons(sizeof(*payload) -  in efx_iterate_state()
403 	payload->udp.check = 0;	/* checksum ignored */  in efx_iterate_state()
406 	payload->iteration = htons(ntohs(payload->iteration) + 1);  in efx_iterate_state()
407 	memcpy(&payload->msg, payload_msg, sizeof(payload_msg));  in efx_iterate_state()
419 	struct efx_loopback_payload *payload;  in efx_begin_loopback()  local
428 		skb = alloc_skb(sizeof(state->payload), GFP_KERNEL);  in efx_begin_loopback()
436 		payload = skb_put(skb, sizeof(state->payload));  in efx_begin_loopback()
437 		memcpy(payload, &state->payload, sizeof(state->payload));  in efx_begin_loopback()
438 		payload->ip.saddr = htonl(INADDR_LOOPBACK | (i << 2));  in efx_begin_loopback()