Cross Reference: /drivers/nfc/microread/microread.c

Lines Matching refs:skb
229 static int microread_xmit(struct nfc_hci_dev *hdev, struct sk_buff *skb)
233 	return info->phy_ops->write(info->phy_id, skb);
369 static void microread_im_transceive_cb(void *context, struct sk_buff *skb,
377 			if (skb->len == 0) {
379 				kfree_skb(skb);
385 			if (skb->data[skb->len - 1] != 0) {
387 						       skb->data[skb->len - 1]);
388 				kfree_skb(skb);
394 			skb_trim(skb, skb->len - 1);	/* RF Error ind. */
396 		info->async_cb(info->async_cb_context, skb, err);
400 			kfree_skb(skb);
412 				   struct sk_buff *skb, data_exchange_cb_t cb,
422 		*skb_push(skb, 1) = 0;
426 				     skb->data, skb->len);
442 		crc = crc_ccitt(0xffff, skb->data, skb->len);
444 		*skb_put(skb, 1) = crc & 0xff;
445 		*skb_put(skb, 1) = crc >> 8;
456 	*skb_push(skb, 1) = control_bits;
464 				      skb->data, skb->len,
468 static int microread_tm_send(struct nfc_hci_dev *hdev, struct sk_buff *skb)
474 			       skb->data, skb->len);
476 	kfree_skb(skb);
482 					struct sk_buff *skb)
500 		      nfc_hci_sak_to_protocol(skb->data[MICROREAD_EMCF_A_SAK]);
502 			 be16_to_cpu(*(u16 *)&skb->data[MICROREAD_EMCF_A_ATQA]);
503 		targets->sel_res = skb->data[MICROREAD_EMCF_A_SAK];
504 		targets->nfcid1_len = skb->data[MICROREAD_EMCF_A_LEN];
509 		memcpy(targets->nfcid1, &skb->data[MICROREAD_EMCF_A_UID],
514 		      nfc_hci_sak_to_protocol(skb->data[MICROREAD_EMCF_A3_SAK]);
516 			 be16_to_cpu(*(u16 *)&skb->data[MICROREAD_EMCF_A3_ATQA]);
517 		targets->sel_res = skb->data[MICROREAD_EMCF_A3_SAK];
518 		targets->nfcid1_len = skb->data[MICROREAD_EMCF_A3_LEN];
523 		memcpy(targets->nfcid1, &skb->data[MICROREAD_EMCF_A3_UID],
528 		memcpy(targets->nfcid1, &skb->data[MICROREAD_EMCF_B_UID], 4);
534 			le16_to_cpu(*(u16 *)&skb->data[MICROREAD_EMCF_T1_ATQA]);
535 		memcpy(targets->nfcid1, &skb->data[MICROREAD_EMCF_T1_UID], 4);
540 		memcpy(targets->nfcid1, &skb->data[MICROREAD_EMCF_T3_UID], 8);
554 	kfree_skb(skb);
561 				     u8 event, struct sk_buff *skb)
570 		microread_target_discovered(hdev, gate, skb);
574 		if (skb->len < 1) {
575 			kfree_skb(skb);
579 		if (skb->data[skb->len - 1]) {
580 			kfree_skb(skb);
584 		skb_trim(skb, skb->len - 1);
586 		r = nfc_tm_data_received(hdev->ndev, skb);
591 		kfree_skb(skb);
596 				     NFC_COMM_PASSIVE, skb->data,
597 				     skb->len);
599 		kfree_skb(skb);
603 		if (skb->len < 1) {
604 			kfree_skb(skb);
608 		if (skb->data[skb->len-1]) {
609 			kfree_skb(skb);
613 		skb_trim(skb, skb->len - 1);
615 		r = nfc_tm_data_received(hdev->ndev, skb);
619 		kfree_skb(skb);