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| author | Philippe Reynes <philippe.reynes@softathome.com> | 2020-09-18 15:13:00 +0300 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2020-09-30 23:55:03 +0300 |
| commit | b43ea1bf18bf4ba5eeec7131c1a19d864399e422 (patch) | |
| tree | 5ae63ab33c462f8c016a61f31eea62c8240dd6e5 /net | |
| parent | cafaa301c98aa8f1b81cf61a91d22d5d68b4b1d3 (diff) | |
| download | u-boot-b43ea1bf18bf4ba5eeec7131c1a19d864399e422.tar.xz | |
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 'net')
| -rw-r--r-- | net/Kconfig | 6 | ||||
| -rw-r--r-- | net/Makefile | 1 | ||||
| -rw-r--r-- | net/net.c | 13 | ||||
| -rw-r--r-- | net/udp.c | 46 |
4 files changed, 65 insertions, 1 deletions
diff --git a/net/Kconfig b/net/Kconfig index 6874b55aac..1b3e420d0d 100644 --- a/net/Kconfig +++ b/net/Kconfig @@ -8,6 +8,12 @@ menuconfig NET if NET +config PROT_UDP + bool "Enable generic udp framework" + help + Enable a generic udp framework that allows defining a custom + handler for udp protocol. + config BOOTP_SEND_HOSTNAME bool "Send hostname to DNS server" help diff --git a/net/Makefile b/net/Makefile index fef71b940a..76527f704c 100644 --- a/net/Makefile +++ b/net/Makefile @@ -27,6 +27,7 @@ obj-$(CONFIG_CMD_SNTP) += sntp.o obj-$(CONFIG_CMD_TFTPBOOT) += tftp.o obj-$(CONFIG_UDP_FUNCTION_FASTBOOT) += fastboot.o obj-$(CONFIG_CMD_WOL) += wol.o +obj-$(CONFIG_PROT_UDP) += udp.o # Disable this warning as it is triggered by: # sprintf(buf, index ? "foo%d" : "foo", index) @@ -102,6 +102,7 @@ #if defined(CONFIG_CMD_PCAP) #include <net/pcap.h> #endif +#include <net/udp.h> #if defined(CONFIG_LED_STATUS) #include <miiphy.h> #include <status_led.h> @@ -544,6 +545,9 @@ restart: break; } + if (IS_ENABLED(CONFIG_PROT_UDP) && protocol == UDP) + udp_start(); + break; } @@ -1364,6 +1368,13 @@ static int net_check_prereq(enum proto_t protocol) } goto common; #endif +#if defined(CONFIG_PROT_UDP) + case UDP: + if (udp_prereq()) + return 1; + goto common; +#endif + #if defined(CONFIG_CMD_NFS) case NFS: #endif @@ -1375,7 +1386,7 @@ static int net_check_prereq(enum proto_t protocol) return 1; } #if defined(CONFIG_CMD_PING) || defined(CONFIG_CMD_SNTP) || \ - defined(CONFIG_CMD_DNS) + defined(CONFIG_CMD_DNS) || defined(CONFIG_PROT_UDP) common: #endif /* Fall through */ diff --git a/net/udp.c b/net/udp.c new file mode 100644 index 0000000000..a93822f511 --- /dev/null +++ b/net/udp.c @@ -0,0 +1,46 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2020 Philippe Reynes <philippe.reynes@softathome.com> + */ + +#include <common.h> +#include <net.h> +#include <net/udp.h> + +static struct udp_ops *udp_ops; + +int udp_prereq(void) +{ + int ret = 0; + + if (udp_ops->prereq) + ret = udp_ops->prereq(udp_ops->data); + + return ret; +} + +int udp_start(void) +{ + return udp_ops->start(udp_ops->data); +} + +int udp_loop(struct udp_ops *ops) +{ + int ret = -1; + + if (!ops) { + printf("%s: ops should not be null\n", __func__); + goto out; + } + + if (!ops->start) { + printf("%s: no start function defined\n", __func__); + goto out; + } + + udp_ops = ops; + ret = net_loop(UDP); + + out: + return ret; +} |