1725 	struct txfcb *fcb = skb_push(skb, GMAC_FCB_LEN);  in gfar_add_fcb()  local
1727 	memset(fcb, 0, GMAC_FCB_LEN);  in gfar_add_fcb()
1729 	return fcb;  in gfar_add_fcb()
1732 static inline void gfar_tx_checksum(struct sk_buff *skb, struct txfcb *fcb,  in gfar_tx_checksum()  argument
1746 		fcb->phcs = (__force __be16)(udp_hdr(skb)->check);  in gfar_tx_checksum()
1748 		fcb->phcs = (__force __be16)(tcp_hdr(skb)->check);  in gfar_tx_checksum()
1755 	fcb->l3os = (u8)(skb_network_offset(skb) - fcb_length);  in gfar_tx_checksum()
1756 	fcb->l4os = skb_network_header_len(skb);  in gfar_tx_checksum()
1758 	fcb->flags = flags;  in gfar_tx_checksum()
1761 static inline void gfar_tx_vlan(struct sk_buff *skb, struct txfcb *fcb)  in gfar_tx_vlan()  argument
1763 	fcb->flags |= TXFCB_VLN;  in gfar_tx_vlan()
1764 	fcb->vlctl = cpu_to_be16(skb_vlan_tag_get(skb));  in gfar_tx_vlan()
1781 /* eTSEC12: csum generation not supported for some fcb offsets */
1808 	struct txfcb *fcb = NULL;  in gfar_start_xmit()  local
1835 	/* make space for additional header when fcb is needed */  in gfar_start_xmit()
1871 	/* Add TxPAL between FCB and frame if required */  in gfar_start_xmit()
1879 		fcb = gfar_add_fcb(skb);  in gfar_start_xmit()
1885 		gfar_tx_checksum(skb, fcb, fcb_len);  in gfar_start_xmit()
1887 		if (unlikely(gfar_csum_errata_12(priv, (unsigned long)fcb)) ||  in gfar_start_xmit()
1892 				/* put back a new fcb for vlan/tstamp TOE */  in gfar_start_xmit()
1893 				fcb = gfar_add_fcb(skb);  in gfar_start_xmit()
1897 				fcb = NULL;  in gfar_start_xmit()
1903 		gfar_tx_vlan(skb, fcb);  in gfar_start_xmit()
1954 	 * first TxBD points to the FCB and must have a data length of  in gfar_start_xmit()
1975 		fcb->ptp = 1;  in gfar_start_xmit()
2477 static inline void gfar_rx_checksum(struct sk_buff *skb, struct rxfcb *fcb)  in gfar_rx_checksum()  argument
2483 	if ((be16_to_cpu(fcb->flags) & RXFCB_CSUM_MASK) ==  in gfar_rx_checksum()
2494 	struct rxfcb *fcb = NULL;  in gfar_process_frame()  local
2496 	/* fcb is at the beginning if exists */  in gfar_process_frame()
2497 	fcb = (struct rxfcb *)skb->data;  in gfar_process_frame()
2499 	/* Remove the FCB from the skb  in gfar_process_frame()
2521 		gfar_rx_checksum(skb, fcb);  in gfar_process_frame()
2528 	    be16_to_cpu(fcb->flags) & RXFCB_VLN)  in gfar_process_frame()
2530 				       be16_to_cpu(fcb->vlctl));  in gfar_process_frame()