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Systemd/src/libsystemd-network
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Beniamino Galvani 22a3fd2da9 dhcp: don't stop receiving packets when the link goes down 
When the link goes down, DHCP client_receive_message*() functions return an
error and the related I/O source is removed from the main loop. With the
current implementation of systemd-networkd this doesn't matter because the DHCP
client is always stopped on carrier down and restarted on carrier up. However
it seems wrong to have the DHCP client crippled (because no packet can be
received anymore) once the link goes temporarily down.

Change the receive functions to ignore a ENETDOWN event so that the client will
be able to receive packets again after the link comes back.
2019-02-19 20:19:36 +09:00
..
arp-util.c tree-wide: drop copyright headers from frequent contributors 2018-06-20 11:58:53 +02:00
arp-util.h tree-wide: use proper unicode © instead of (C) where we can 2018-06-14 10:20:20 +02:00
dhcp-identifier.c dhcp/trivial: fix spelling error in comment 2019-01-25 20:29:39 +09:00
dhcp-identifier.h dhcp6: don't enforce DUID content for sd_dhcp6_client_set_duid() 2018-12-20 13:40:39 +01:00
dhcp-internal.h tree-wide: drop copyright headers from frequent contributors 2018-06-20 11:58:53 +02:00
dhcp-lease-internal.h dhcp: handle multiple addresses for "Router" (option 3) in DHCP library 2019-02-18 13:34:22 +01:00
dhcp-network.c dhcp: ignore padding of 'chaddr' in DHCP server response 2019-02-15 11:41:06 +01:00
dhcp-option.c tree-wide: use proper unicode © instead of (C) where we can 2018-06-14 10:20:20 +02:00
dhcp-packet.c coccinelle: make use of SYNTHETIC_ERRNO 2018-11-22 10:54:38 +01:00
dhcp-protocol.h tree-wide: use proper unicode © instead of (C) where we can 2018-06-14 10:20:20 +02:00
dhcp-server-internal.h tree-wide: make hash_ops typesafe 2018-12-02 07:53:27 +01:00
dhcp6-internal.h dhcp6: constify things where we can 2018-10-25 11:23:19 +02:00
dhcp6-lease-internal.h dhcp6-client: Store lease timeouts T1 and T1 in client struct 2018-09-19 13:45:18 -06:00
dhcp6-network.c tree-wide: introduce setsockopt_int() helper and make use of it everywhere 2018-10-18 19:50:29 +02:00
dhcp6-option.c dhcp6: prefer offsetof() over sizeof() for structs with undefined sizes 2018-10-25 11:23:19 +02:00
dhcp6-protocol.h tree-wide: use proper unicode © instead of (C) where we can 2018-06-14 10:20:20 +02:00
icmp6-util.c tree-wide: use IOVEC_MAKE() at many places 2018-11-27 10:12:27 +01:00
icmp6-util.h tree-wide: use proper unicode © instead of (C) where we can 2018-06-14 10:20:20 +02:00
lldp-internal.h lldp: improve debug log message 2018-11-06 20:15:09 +09:00
lldp-neighbor.c Use c99 static array size declarations in exported functions too 2019-01-04 12:37:25 +01:00
lldp-neighbor.h lldp: rename lldp_neighbor_id_hash_ops and set value destructor 2018-12-02 12:18:54 +01:00
lldp-network.c util: drop missing.h from util.h 2018-12-04 10:00:34 +01:00
lldp-network.h tree-wide: drop double newline 2018-06-29 11:02:17 +09:00
meson.build Drop my copyright headers 2018-06-14 13:03:20 +02:00
ndisc-internal.h ndisc: improve debug log message 2018-11-06 20:15:09 +09:00
ndisc-router.c resolve: reject host names with leading or trailing dashes in /etc/hosts 2018-12-10 09:56:56 +01:00
ndisc-router.h tree-wide: use proper unicode © instead of (C) where we can 2018-06-14 10:20:20 +02:00
network-internal.c Merge pull request #11729 from yuwata/fix-11721 2019-02-18 16:02:26 +01:00
network-internal.h Merge pull request #10408 from keszybz/analyze-cat-presets 2019-02-18 16:02:45 +01:00
radv-internal.h libsystemd-network: remove _packed_ attribute to appease the compiler 2019-02-04 20:32:44 +01:00
sd-dhcp-client.c dhcp: don't stop receiving packets when the link goes down 2019-02-19 20:19:36 +09:00
sd-dhcp-lease.c network: avoid inet_ntoa() in favor of inet_ntop() 2019-02-18 13:34:22 +01:00
sd-dhcp-server.c dhcp: introduce dhcp_lease_hash_ops and use it 2018-12-02 12:17:28 +01:00
sd-dhcp6-client.c dhcp: don't stop receiving packets when the link goes down 2019-02-19 20:19:36 +09:00
sd-dhcp6-lease.c sd-dhcp6: do not update serverid when ENOMEM 2018-10-19 06:11:58 +09:00
sd-ipv4acd.c ipv4acd: do not unref() event sources when update or disable them 2018-11-16 22:57:42 +09:00
sd-ipv4ll.c tree-wide: use DEFINE_TRIVIAL_REF_UNREF_FUNC() macro or friends where applicable 2018-08-27 14:01:46 +09:00
sd-lldp.c util: drop missing.h from socket-util.h 2018-12-06 13:31:16 +01:00
sd-ndisc.c Delete duplicate lines 2019-01-12 16:02:26 +01:00
sd-radv.c networkd: refuse IPv6 RADV prefixes that lack Prefix= setting 2018-11-30 22:19:28 +01:00
test-acd.c tests: use a helper function to parse environment and open logging 2018-09-14 09:29:57 +02:00
test-dhcp-client.c dhcp: handle multiple addresses for "Router" (option 3) in DHCP library 2019-02-18 13:34:22 +01:00
test-dhcp-option.c Merge pull request #2589 from keszybz/resolve-tool-2 2016-02-13 11:15:41 +01:00
test-dhcp-server.c tests: use a helper function to parse environment and open logging 2018-09-14 09:29:57 +02:00
test-dhcp6-client.c util: drop missing.h from socket-util.h 2018-12-06 13:31:16 +01:00
test-ipv4ll-manual.c tests: use a helper function to parse environment and open logging 2018-09-14 09:29:57 +02:00
test-ipv4ll.c libsystemd-network: set SOCK_CLOEXEC and SOCK_NONBLOCK 2018-11-12 02:03:22 +09:00
test-lldp.c lldp: add 802.3 OUI subtype definitions 2018-12-21 17:30:01 +01:00
test-ndisc-ra.c libsystemd-network: set SOCK_CLOEXEC and SOCK_NONBLOCK 2018-11-12 02:03:22 +09:00
test-ndisc-rs.c libsystemd-network: set SOCK_CLOEXEC and SOCK_NONBLOCK 2018-11-12 02:03:22 +09:00
test-sd-dhcp-lease.c network: Implement DHCP Option 119 (Domain Search List) (#5932) 2017-05-13 10:19:32 -04:00