1 /* SPDX-License-Identifier: GPL-2.0 */
15 #include <net/sock.h>
49 	/* struct sock must be the first member of struct xdp_sock */
50 	struct sock sk;
101  * void (*tmo_request_timestamp)(void *priv)
104  * u64 (*tmo_fill_timestamp)(void *priv)
108  * void (*tmo_request_checksum)(u16 csum_start, u16 csum_offset, void *priv)
113  * void (*tmo_request_launch_time)(u64 launch_time, void *priv)
119 	void	(*tmo_request_timestamp)(void *priv);
120 	u64	(*tmo_fill_timestamp)(void *priv);
121 	void	(*tmo_request_checksum)(u16 csum_start, u16 csum_offset, void *priv);
122 	void	(*tmo_request_launch_time)(u64 launch_time, void *priv);
132  *  xsk_tx_metadata_to_compl - Save enough relevant metadata information
147 	if (meta->flags & XDP_TXMD_FLAGS_TIMESTAMP)  in xsk_tx_metadata_to_compl()
148 		compl->tx_timestamp = &meta->completion.tx_timestamp;  in xsk_tx_metadata_to_compl()
150 		compl->tx_timestamp = NULL;  in xsk_tx_metadata_to_compl()
154  *  xsk_tx_metadata_request - Evaluate AF_XDP TX metadata at submission
158  *  @priv: pointer to driver-private aread
165 					   void *priv)  in xsk_tx_metadata_request()  argument
170 	if (ops->tmo_request_launch_time)  in xsk_tx_metadata_request()
171 		if (meta->flags & XDP_TXMD_FLAGS_LAUNCH_TIME)  in xsk_tx_metadata_request()
172 			ops->tmo_request_launch_time(meta->request.launch_time,  in xsk_tx_metadata_request()
173 						     priv);  in xsk_tx_metadata_request()
175 	if (ops->tmo_request_timestamp)  in xsk_tx_metadata_request()
176 		if (meta->flags & XDP_TXMD_FLAGS_TIMESTAMP)  in xsk_tx_metadata_request()
177 			ops->tmo_request_timestamp(priv);  in xsk_tx_metadata_request()
179 	if (ops->tmo_request_checksum)  in xsk_tx_metadata_request()
180 		if (meta->flags & XDP_TXMD_FLAGS_CHECKSUM)  in xsk_tx_metadata_request()
181 			ops->tmo_request_checksum(meta->request.csum_start,  in xsk_tx_metadata_request()
182 						  meta->request.csum_offset, priv);  in xsk_tx_metadata_request()
186  *  xsk_tx_metadata_complete - Evaluate AF_XDP TX metadata at completion
190  *  @priv: pointer to driver-private aread
197 					    void *priv)  in xsk_tx_metadata_complete()  argument
201 	if (!compl->tx_timestamp)  in xsk_tx_metadata_complete()
204 	*compl->tx_timestamp = ops->tmo_fill_timestamp(priv);  in xsk_tx_metadata_complete()
211 	return -ENOTSUPP;  in xsk_generic_rcv()
216 	return -EOPNOTSUPP;  in __xsk_map_redirect()
230 					   void *priv)  in xsk_tx_metadata_request()  argument
236 					    void *priv)  in xsk_tx_metadata_complete()  argument