u-boot.git/include/net6.h, branch master Unnamed repository; edit this file 'description' to name the repository. net: Include byteorder in net6.h 2025-05-29T14:30:25+00:00 Simon Glass sjg@chromium.org 2025-05-15T23:31:47+00:00 22d4e22a3d2e8a95c37c0635701daaee8d5a5c6b This file uses byteorder but does not include the header file. Update it. Signed-off-by: Simon Glass <sjg@chromium.org> 
This file uses byteorder but does not include the header file. Update
it.

Signed-off-by: Simon Glass <sjg@chromium.org>
net: dhcp6: Send DHCPv6 using multicast MAC 2025-04-23T07:58:07+00:00 Sean Edmond seanedmond@microsoft.com 2025-03-24T20:48:45+00:00 9a6964e419c0a533e1ca5d224221e440093a9e5f In IPv6, the broadcast MAC address is not used. Instead, it should use the multicast address (see RFC RFC2464). Add IPV6_ALL_NODE_ETH_ADDR macro for clarity. Signed-off-by: Sean Edmond <seanedmond@microsoft.com> Reviewed-by: Jerome Forissier <jerome.forissier@linaro.org> 
In IPv6, the broadcast MAC address is not used.  Instead, it should use
the multicast address (see RFC RFC2464).

Add IPV6_ALL_NODE_ETH_ADDR macro for clarity.

Signed-off-by: Sean Edmond <seanedmond@microsoft.com>
Reviewed-by: Jerome Forissier <jerome.forissier@linaro.org>
include: Further cleanup includes 2023-12-21T13:54:37+00:00 Tom Rini trini@konsulko.com 2023-12-14T18:16:57+00:00 1e8ce11a0b94bb2fcf55590eeffa9c85886b89bc Add some missing headers such as <linux/errno.h> or <linux/types.h> or <linux/kernel.h> to header files that make direct usage of things provided by these headers. Reviewed-by: Simon Glass <sjg@chromium.org> Signed-off-by: Tom Rini <trini@konsulko.com> 
Add some missing headers such as <linux/errno.h> or <linux/types.h> or
<linux/kernel.h> to header files that make direct usage of things
provided by these headers.

Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Tom Rini <trini@konsulko.com>
net: ipv6: network protocol structures should be packed 2023-07-27T17:39:07+00:00 Ehsan Mohandesi emohandesi@linux.microsoft.com 2023-05-18T18:24:39+00:00 1196e5241d9e0167e668af42d4327d483cf052ae The structure icmp6_ra_prefix_info needs to be packed because it is read from a network stream. Signed-off-by: Ehsan Mohandesi <emohandesi@linux.microsoft.com> Reviewed-by: Viacheslav Mitrofanov <v.v.mitrofanov@yadro.com> Reviewed-by: Ramon Fried <rfried.dev@gmail.com> 
The structure icmp6_ra_prefix_info needs to be packed because it is read
from a network stream.

Signed-off-by: Ehsan Mohandesi <emohandesi@linux.microsoft.com>
Reviewed-by: Viacheslav Mitrofanov <v.v.mitrofanov@yadro.com>
Reviewed-by: Ramon Fried <rfried.dev@gmail.com>
net: ipv6: Add support for default gateway discovery. 2023-05-05T21:58:52+00:00 Ehsan Mohandesi emohandesi@linux.microsoft.com 2023-04-22T00:08:21+00:00 6de98b60ba89fb96a3adada11a5b5406f3b3786b In IPv6, the default gateway and prefix length are determined by receiving a router advertisement as defined in - https://www.rfc-editor.org/rfc/rfc4861. Add support for sending router solicitation (RS) and processing router advertisements (RA). If the RA has prefix info option and following conditions are met, then gatewayip6 and net_prefix_length of ip6addr env variables are initialized. These are later consumed by IPv6 code for non-local destination IP. - "Router Lifetime" != 0 - Prefix is NOT link-local prefix (0xfe80::/10) - L flag is 1 - "Valid Lifetime" != 0 Timing Parameters: - MAX_RTR_SOLICITATION_DELAY (0-1s) - RTR_SOLICITATION_INTERVAL (4s) (min retransmit delay) - MAX_RTR_SOLICITATIONS (3 RS transmissions) The functionality is enabled by CONFIG_IPV6_ROUTER_DISCOVERY and invoked automatically from net_init_loop(). Signed-off-by: Ehsan Mohandesi <emohandesi@linux.microsoft.com> Tested-by: Viacheslav Mitrofanov <v.v.mitrofanov@yadro.com>Reviewed-by: Tested-by: Viacheslav Mitrofanov <v.v.mitrofanov@yadro.com> Reviewed-by: Viacheslav Mitrofanov <v.v.mitrofanov@yadro.com> Tested-by: Sergei Antonov <saproj@gmail.com> Reviewed-by: Sergei Antonov <saproj@gmail.com> 
In IPv6, the default gateway and prefix length are determined by receiving
a router advertisement as defined in -
https://www.rfc-editor.org/rfc/rfc4861.

Add support for sending router solicitation (RS) and processing router
advertisements (RA).

If the RA has prefix info option and following conditions are met, then
gatewayip6 and net_prefix_length of ip6addr env variables are initialized.
These are later consumed by IPv6 code for non-local destination IP.

- "Router Lifetime" != 0
- Prefix is NOT link-local prefix (0xfe80::/10)
- L flag is 1
- "Valid Lifetime" != 0

Timing Parameters:
- MAX_RTR_SOLICITATION_DELAY (0-1s)
- RTR_SOLICITATION_INTERVAL (4s) (min retransmit delay)
- MAX_RTR_SOLICITATIONS (3 RS transmissions)

The functionality is enabled by CONFIG_IPV6_ROUTER_DISCOVERY and invoked
automatically from net_init_loop().

Signed-off-by: Ehsan Mohandesi <emohandesi@linux.microsoft.com>
Tested-by: Viacheslav Mitrofanov <v.v.mitrofanov@yadro.com>Reviewed-by:
Tested-by: Viacheslav Mitrofanov <v.v.mitrofanov@yadro.com>
Reviewed-by: Viacheslav Mitrofanov <v.v.mitrofanov@yadro.com>
Tested-by: Sergei Antonov <saproj@gmail.com>
Reviewed-by: Sergei Antonov <saproj@gmail.com>
net: ipv6: fix alignment errors on ARM 2023-02-02T19:44:53+00:00 Sergei Antonov saproj@gmail.com 2023-01-18T17:52:18+00:00 9bc80c0bc028a1658502eea02af2c1f26456c6b2 Commands "ping6" and "tftpboot ... -ipv6" did not work on ARM because machine code expects 4-byte alignment and some structures from net6.h are not aligned in memory. Fix by adding __packed, since it is already used in this file. Signed-off-by: Sergei Antonov <saproj@gmail.com> Reviewed-by: Viacheslav Mitrofanov <v.v.mitrofanov@yadro.com> 
Commands "ping6" and "tftpboot ... -ipv6" did not work on ARM because
machine code expects 4-byte alignment and some structures from net6.h
are not aligned in memory.

Fix by adding __packed, since it is already used in this file.

Signed-off-by: Sergei Antonov <saproj@gmail.com>
Reviewed-by: Viacheslav Mitrofanov <v.v.mitrofanov@yadro.com>
net: ping6: Add ping6 command 2022-12-05T17:47:16+00:00 Viacheslav Mitrofanov v.v.mitrofanov@yadro.com 2022-12-02T09:18:08+00:00 eeb0a2c6938226ee3c46fa66971da9231d64667d Implement ping6 command to ping hosts using IPv6. It works the same way as an ordinary ping command. There is no ICMP request so it is not possible to ping our host. This patch adds options in Kconfig and Makefile to build ping6 command. Series-changes: 3 - Added structures and functions descriptions - Added to ping6_receive() return value instead of void Series-changes: 4 - Fixed structures and functions description style Signed-off-by: Viacheslav Mitrofanov <v.v.mitrofanov@yadro.com> Reviewed-by: Ramon Fried <rfried.dev@gmail.com> Reviewed-by: Simon Glass <sjg@chromium.org> 
Implement ping6 command to ping hosts using IPv6. It works the same way as
an ordinary ping command. There is no ICMP request so it is not possible
to ping our host. This patch adds options in Kconfig and Makefile to
build ping6 command.

Series-changes: 3
- Added structures and functions descriptions
- Added to ping6_receive() return value instead of void

Series-changes: 4
- Fixed structures and functions description style

Signed-off-by: Viacheslav Mitrofanov <v.v.mitrofanov@yadro.com>
Reviewed-by: Ramon Fried <rfried.dev@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
net: ipv6: Add implementation of main IPv6 functions 2022-12-05T17:47:16+00:00 Viacheslav Mitrofanov v.v.mitrofanov@yadro.com 2022-12-02T09:18:05+00:00 1feb697830ce2fe31bf66fc9d472134c73cf8b56 Functions that were exposed in "net: ipv6: Add IPv6 basic primitives" had only empty implementations and were exposed as API for futher patches. This patch add implementation of these functions. Main functions are: net_ip6_handler() - IPv6 packet handler for incoming packets; net_send_udp_packet6() - make up and send an UDP packet; csum_ipv6_magic() - compute checksum of IPv6 "psuedo-header" per RFC2460 section 8.1; ip6_addr_in_subnet() - check if an address is in our subnet. Other functions are auxiliary. Series-changes: 3 - Added comments - Fixed style problems - Fixed return codes instead of -1 Signed-off-by: Viacheslav Mitrofanov <v.v.mitrofanov@yadro.com> Reviewed-by: Ramon Fried <rfried.dev@gmail.com> Reviewed-by: Simon Glass <sjg@chromium.org> 
Functions that were exposed in "net: ipv6: Add IPv6 basic primitives"
had only empty implementations and were exposed as API for futher
patches. This patch add implementation of these functions. Main
functions are: net_ip6_handler() - IPv6 packet handler for incoming
packets; net_send_udp_packet6() - make up and send an UDP packet;
csum_ipv6_magic() - compute checksum of IPv6 "psuedo-header" per RFC2460
section 8.1; ip6_addr_in_subnet() - check if an address is in our
subnet. Other functions are auxiliary.

Series-changes: 3
- Added comments
- Fixed style problems
- Fixed return codes instead of -1

Signed-off-by: Viacheslav Mitrofanov <v.v.mitrofanov@yadro.com>
Reviewed-by: Ramon Fried <rfried.dev@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
net: ipv6: Add string_to_ip6 converter 2022-12-05T17:47:16+00:00 Viacheslav Mitrofanov v.v.mitrofanov@yadro.com 2022-12-02T09:18:02+00:00 2f7f2f2aa9d310c2937bd753df1a2bd6953194d1 This functions is used as a converter from IPv6 address string notation to struct ip6_addr that is used everywhere in IPv6 implementation. For example it is used to parse and convert IPv6 address from tftpboot command. Conversion algorithm uses two passes, first to verify syntax and locate colons and second pass to read the address. In case of valid IPv6 address it returns 0. Examples of valid strings: 2001:db8::0:1234:1 2001:0db8:0000:0000:0000:0000:1234:0001 ::1 ::ffff:192.168.1.1 Examples of invalid strings 2001:db8::0::0 (:: can only appear once) 2001:db8:192.168.1.1::1 (v4 part can only appear at the end) 192.168.1.1 (we don't implicity map v4) Series-changes: 3 - Added function description - Added length parameter to string_to_ip6() Series-changes: 4 - Fixed function description style Signed-off-by: Viacheslav Mitrofanov <v.v.mitrofanov@yadro.com> Reviewed-by: Ramon Fried <rfried.dev@gmail.com> Reviewed-by: Simon Glass <sjg@chromium.org> 
This functions is used as a converter from IPv6 address string notation
to struct ip6_addr that is used everywhere in IPv6 implementation. For
example it is used to parse and convert IPv6 address from tftpboot
command. Conversion algorithm uses two passes, first to verify syntax and
locate colons and second pass to read the address. In case of valid IPv6
address it returns 0.

Examples of valid strings:
	2001:db8::0:1234:1
	2001:0db8:0000:0000:0000:0000:1234:0001
	::1
	::ffff:192.168.1.1

Examples of invalid strings
	2001:db8::0::0          (:: can only appear once)
	2001:db8:192.168.1.1::1 (v4 part can only appear at the end)
	192.168.1.1             (we don't implicity map v4)

Series-changes: 3
- Added function description
- Added length parameter to string_to_ip6()

Series-changes: 4
- Fixed function description style

Signed-off-by: Viacheslav Mitrofanov <v.v.mitrofanov@yadro.com>
Reviewed-by: Ramon Fried <rfried.dev@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
net: ipv6: Add IPv6 basic primitives 2022-12-05T17:47:15+00:00 Viacheslav Mitrofanov v.v.mitrofanov@yadro.com 2022-12-02T09:17:58+00:00 33b5066a595661315ec236269b3154297d4cf779 This patch is a collection of basic primitives that are prerequisite for further IPv6 implementation. There are structures definition such as IPv6 header, UDP header (for TFTP), ICMPv6 header. There are auxiliary defines such as protocol codes, padding, struct size and etc. Also here are functions prototypes and its empty implementation that will be used as API for further patches. Here are variables declaration such as IPv6 address of our host, gateway, ipv6 server. Series-changes: 3 - Added functions and structures descriptions - Removed enums ND_OPT_*. It will be moved into further patches - Substituted -1 for error codes Series-changes: 4 - Changed functions and structures description style Signed-off-by: Viacheslav Mitrofanov <v.v.mitrofanov@yadro.com> Reviewed-by: Ramon Fried <rfried.dev@gmail.com> Reviewed-by: Simon Glass <sjg@chromium.org> 
This patch is a collection of basic primitives that are prerequisite for
further IPv6 implementation.

There are structures definition such as IPv6 header, UDP header
(for TFTP), ICMPv6 header. There are auxiliary defines such as protocol
codes, padding, struct size and etc. Also here are functions prototypes
and its empty implementation that will be used as API for further patches.
Here are variables declaration such as IPv6 address of our host,
gateway, ipv6 server.

Series-changes: 3
- Added functions and structures descriptions
- Removed enums ND_OPT_*. It will be moved into further patches
- Substituted -1 for error codes

Series-changes: 4
- Changed functions and structures description style

Signed-off-by: Viacheslav Mitrofanov <v.v.mitrofanov@yadro.com>
Reviewed-by: Ramon Fried <rfried.dev@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>