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netconfig: limit DHCPv4 attempts to avoid extended netconfig times

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ELL now has a setting to limit the number of DHCP attempts. This
will now be set in IWD and if reached will result in a failure
event, and in turn a disconnect.

IWD will set a maximum of 4 retries which should keep the maximum
DHCP time to ~60 seconds roughly.
This commit is contained in:
James Prestwood 2024-01-30 09:50:37 -08:00 committed by Denis Kenzior
parent 1fe68aef0b
commit aa0a439856
1 changed files with 7 additions and 2 deletions
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9
src/netconfig.c
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@ -50,6 +50,8 @@
#include "src/netconfig.h"
#include "src/sysfs.h"
#define DHCP_ATTEMPTS 4
/*
* Routing priority offset, configurable in main.conf. The route with lower
* priority offset is preferred.
@ -696,6 +698,7 @@ struct netconfig *netconfig_new(uint32_t ifindex)
int dhcp_priority = L_LOG_INFO;
struct l_dhcp6_client *dhcp6;
struct l_icmp6_client *icmp6;
struct l_dhcp_client *dhcp;
l_debug("Creating netconfig for interface: %d", ifindex);
@ -723,8 +726,8 @@ struct netconfig *netconfig_new(uint32_t ifindex)
l_netconfig_set_event_handler(netconfig->nc, netconfig_event_handler,
netconfig, NULL);
l_dhcp_client_set_debug(l_netconfig_get_dhcp_client(netconfig->nc),
do_debug, "[DHCPv4] ", NULL, dhcp_priority);
dhcp = l_netconfig_get_dhcp_client(netconfig->nc);
l_dhcp_client_set_max_attempts(dhcp, DHCP_ATTEMPTS);
dhcp6 = l_netconfig_get_dhcp6_client(netconfig->nc);
l_dhcp6_client_set_lla_randomized(dhcp6, true);
@ -735,6 +738,8 @@ struct netconfig *netconfig_new(uint32_t ifindex)
if (debug_level) {
l_dhcp6_client_set_debug(dhcp6, do_debug, "[DHCPv6] ", NULL);
l_icmp6_client_set_debug(icmp6, do_debug, "[ICMPv6] ", NULL);
l_dhcp_client_set_debug(dhcp, do_debug, "[DHCPv4] ", NULL,
dhcp_priority);
}
return netconfig;