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1535 Commits
Author SHA1 Message Date
Yu Watanabe b5cc5591fa netif-util: move several functions from network-util.[ch] to shared/netif-util.[ch] 
These functions are not relevant to sd-network, and only used by
networkd, networkctl, and udevd.
 2021-11-09 08:24:10 +09:00
Yu Watanabe 59aa622013 network: dhcp-server: introduce Router= setting to specify router address 
Closes #21202.
 2021-11-03 03:15:00 +09:00
Yu Watanabe aa5a0f959c sd-dhcp6-client: simplify code a bit 
Also this adds a note.
 2021-11-01 23:13:08 +09:00
Yu Watanabe 0936c189c9 sd-dhcp6-client: do not implicitly cast to boolean 2021-11-01 23:13:08 +09:00
Yu Watanabe e79b4b8534 sd-dhcp6-client: introduce dhcp6_lease_{get,set}_clientid() 2021-11-01 23:13:08 +09:00
Yu Watanabe 65457c17e6 sd-dhcp6-client: shorten code a bit 2021-11-01 23:13:08 +09:00
Yu Watanabe 4f81f0d241 sd-dhcp6-client: prefix variables which store results with "ret_" 2021-11-01 23:13:08 +09:00
Yu Watanabe d3aa9d6a80 sd-dhcp6-client: update log messages 2021-11-01 23:13:08 +09:00
Yu Watanabe 7e6abd25f4 Merge pull request #21200 from yuwata/sd-dhcp6-client-server-address 
sd-dhcp6-client: introduce sd_dhcp6_lease_get_server_address()
 2021-11-01 21:04:48 +09:00
Yu Watanabe 3b73ebc08a Merge pull request #21199 from yuwata/sd-dhcp6-client-trivial-cleanups 
sd-dhcp6-client: trivial cleanups
 2021-11-01 21:04:05 +09:00
Yu Watanabe ef4edc1546 sd-dhcp6-client: introduce sd_dhcp6_lease_get_server_address() 2021-11-01 18:22:49 +09:00
Yu Watanabe 2c269a4e2a sd-lldp-tx: drop unused and useless function 
sd-lldp-tx does not call any callback function. So, the function is
mostly useless.
 2021-11-01 08:57:17 +00:00
Yu Watanabe 7f402e5b7b sd-dhcp6: drop unused functions 2021-11-01 08:56:42 +00:00
Yu Watanabe 01b4e90f32 sd-dhcp6-client: request IA_PD by default 
For consistency with 0f5ef9b62a.
 2021-11-01 10:02:50 +09:00
Yu Watanabe 5e82251913 sd-dhcp6-client: always set suitable ARP type 
Also, drops unnecessary comparisons.
 2021-11-01 09:51:52 +09:00
Yu Watanabe 6db9b30066 Merge pull request #21175 from tohojo/dhcp-server-expire 
sd-dhcp-server: clear out expired leases when finding new address
 2021-10-30 04:13:40 +09:00
Toke Høiland-Jørgensen cb3c06a02e sd-dhcp-server: fix address availability checks 
The checks for finding a new available address in the pool were broken in two
ways: not using UINT32_TO_PTR() on hashmap lookups resulted in false negatives,
and the check wasn't skipping the server address if that was part of the pool.

Move the check for available addresses to a small helper function and fix both
issues, and also add a check to the REQUEST code for the server address.
 2021-10-29 15:29:05 +02:00
Toke Høiland-Jørgensen d635a7f9e4 sd-dhcp-server: clear out expired leases when processing requests 
The DHCP server configuration supports setting a maximum lease time, but old
leases are never actually cleared out if the client doesn't send a RELEASE.
This causes the pool to run out of addresses on networks where clients just
disappear, which is a fairly common occurrence on wireless networks.

Fix this by cleaning up expired leases before processing client requests, so
addresses can be reused for new clients.
 2021-10-29 15:29:05 +02:00
Yu Watanabe 17347053cf libsystemd-network: drop _public_ attribute 
No function in libsystemd-network is exposed yet.
 2021-10-29 22:13:23 +09:00
Yu Watanabe 41521417ab sd-radv: fix implicit conversion to boolean 2021-10-29 22:10:43 +09:00
Yu Watanabe 9661d2e80c sd-ndisc: drop unused functions 
All received information is stored in sd_ndisc_router, and we have
sd_ndisc_router_get_mtu() and sd_ndisc_router_get_hop_limit().
 2021-10-29 22:05:27 +09:00
Yu Watanabe d951507d5d sd-radv: shorten the default lifetime for prefix/route prefix 
See draft-ietf-6man-slaac-renum-02 section 4.1.1.
 2021-10-27 23:58:35 +09:00
Yu Watanabe 95e104e049 sd-radv: make prefix/route prefix lifetime can be specified with independently with valid_until 
Previously, valid_until (or preferred_until for preferred lifetime) was
calculated from lifetime. So, when an upstream interface acquire a
dynamic prefix (e.g. through DHCPv6-PD) with long lifetime, then sd-radv
advertise the same lifetime. It may not be desired for some situations.
 2021-10-27 23:58:28 +09:00
Yu Watanabe eef5ebec97 Merge pull request #21143 from yuwata/sd-radv-router-lifetime 
sd-radv: several cleanups for router lifetime
 2021-10-27 22:14:35 +09:00
Yu Watanabe 804775577d sd-radv: update how to calculate interval of sending advertisements 2021-10-27 19:27:23 +09:00
Yu Watanabe 0945767012 sd-radv: router lifetime must be 0 or between 4 seconds and 9000 seconds 
See RFC 4861 section 6.2.1.
 2021-10-27 19:27:07 +09:00
Yu Watanabe 72db0a714b sd-radv: introduce RADV_DEFAULT_ROUTER_LIFETIME_USEC 2021-10-27 19:05:55 +09:00
Yu Watanabe e786c2e50f sd-radv: add several notes about constants 2021-10-27 19:03:58 +09:00
Yu Watanabe 03ec10fdf4 sd-radv: make several constants not exposed 2021-10-27 19:03:35 +09:00
Yu Watanabe d6fc0d674f sd-radv: drop SD_ prefix for unexposed constants 2021-10-27 19:03:31 +09:00
Yu Watanabe 68cbac5bd4 sd-radv: use IPv6 specific functions 2021-10-27 16:41:04 +09:00
Yu Watanabe acbb5500e2 sd-radv: use assert_return() 2021-10-27 16:41:04 +09:00
Yu Watanabe 7003b11487 sd-radv: make sd_radv_set_router_lifetime() take usec_t (uint64_t) 2021-10-27 16:13:09 +09:00
Yu Watanabe a84171ce6f libsystemd-network: do not warn when log_dhcp_client() or friends with NULL 2021-10-26 08:09:40 +09:00
Yu Watanabe 113e124f9b icmp6: shorten code a bit 2021-10-21 22:40:03 +09:00
Yu Watanabe ea51deb188 dhcp: shorten BPF code a bit 
- replace `A = k` and `X = A` with `X = k`,
- replace `A ^= X` and `A == 0` with `A == X`.
- use UINT32_MAX when accept a packet
 2021-10-21 22:39:53 +09:00
Yu Watanabe 155943b259 dhcp: rebreak function arguments 2021-10-21 22:39:43 +09:00
Yu Watanabe b8319d748f dhcp: fix assertions 2021-10-21 22:39:43 +09:00
Yu Watanabe d70c78131d dhcp: shorten code a bit 2021-10-21 22:39:43 +09:00
Yu Watanabe 36f1955da8 lldp: shorten code a bit 2021-10-21 22:39:43 +09:00
Yu Watanabe e2c7c38b74 arp-util: shorten BPF code a bit 
- replace `A = k` and `X = A` with `X = k`,
- replace `A ^= X` and `A == 0` with `A == X`.
- use UINT32_MAX when accept a packet
 2021-10-21 22:39:25 +09:00
Yu Watanabe 653ddc1d18 sd-dhcp6-client: introduce sd_dhcp6_lease_get_timestamp() 2021-10-20 02:36:20 +09:00
Yu Watanabe 7502812c92 sd-dhcp6-client: max_retransmit_time must be positive 
Found by LGTM.com analysis.
 2021-10-13 02:49:49 +09:00
Yu Watanabe fea8c18085 sd-dhcp6-client: introduce dhcp6_option_can_request() 2021-10-13 02:49:49 +09:00
Yu Watanabe f5e3619b70 sd-dhcp6-client: add missing options 2021-10-12 20:48:19 +09:00
Yu Watanabe ac94edc857 sd-dhcp6-client: add missing parenthesis 2021-10-12 20:48:19 +09:00
Yu Watanabe 59f1ded834 sd-dhcp6-client: add missing message types 
This also changes the prefix: DHCP6_ -> DHCP6_MESSAGE_.
 2021-10-12 20:48:19 +09:00
Yu Watanabe b261b5f416 sd-dhcp6-client: name one more enum 2021-10-12 20:48:19 +09:00
Yu Watanabe dd5e9378a2 sd-dhcp6-client: typedef several enums 
Also introduces _MAX and _INVALID for several enums.
 2021-10-12 20:48:19 +09:00
Zbigniew Jędrzejewski-Szmek 78ae9d3100 Merge pull request #20853 from yuwata/network-radv-set-default-timeouts 
network: RADV: set default timeouts
 2021-10-12 10:49:03 +02:00