diff options
author | Philippe Reynes | 2020-09-18 14:13:00 +0200 |
---|---|---|
committer | Tom Rini | 2020-09-30 16:55:03 -0400 |
commit | b43ea1bf18bf4ba5eeec7131c1a19d864399e422 (patch) | |
tree | 5ae63ab33c462f8c016a61f31eea62c8240dd6e5 /include/net | |
parent | cafaa301c98aa8f1b81cf61a91d22d5d68b4b1d3 (diff) |
net: add a generic udp protocol
This commit adds a generic udp protocol framework in the
network loop. So protocol based on udp may be implemented
without modifying the network loop (for example custom
wait magic packet).
Signed-off-by: Philippe Reynes <philippe.reynes@softathome.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'include/net')
-rw-r--r-- | include/net/udp.h | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/include/net/udp.h b/include/net/udp.h new file mode 100644 index 00000000000..2ae56e84477 --- /dev/null +++ b/include/net/udp.h @@ -0,0 +1,41 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Copyright (C) 2020 Philippe Reynes <philippe.reynes@softathome.com> + */ + +#ifndef __UDP +#define __UDP + +/** + * struct udp_ops - function to handle udp packet + * + * This structure provides the function to handle udp packet in + * the network loop. + * + * @prereq: callback called to check the requirement + * @start: callback called to start the protocol/feature + * @data: pointer to store private data (used by prereq and start) + */ +struct udp_ops { + int (*prereq)(void *data); + int (*start)(void *data); + void *data; +}; + +int udp_prereq(void); + +int udp_start(void); + +/** + * udp_loop() - network loop for udp protocol + * + * Launch a network loop for udp protocol and use callbacks + * provided in parameter @ops to initialize the loop, and then + * to handle udp packet. + * + * @ops: udp callback + * @return: 0 if success, otherwise < 0 on error + */ +int udp_loop(struct udp_ops *ops); + +#endif |