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Merge pull request #5589 from jasonreeder/claimed_address_fix

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libsystemd-network: sd-ipv4ll: acquire new address after claimed addr…
This commit is contained in:
Lennart Poettering 2017-04-01 11:41:58 +02:00 committed by GitHub
commit 88be0aa226
3 changed files with 17 additions and 0 deletions
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6
src/libsystemd-network/sd-ipv4ll.c
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@ -248,6 +248,12 @@ static int ipv4ll_pick_address(sd_ipv4ll *ll) {
return sd_ipv4ll_set_address(ll, &(struct in_addr) { addr });
}
int sd_ipv4ll_restart(sd_ipv4ll *ll) {
ll->address = 0;
return sd_ipv4ll_start(ll);
}
#define MAC_HASH_KEY SD_ID128_MAKE(df,04,22,98,3f,ad,14,52,f9,87,2e,d1,9c,70,e2,f2)
int sd_ipv4ll_start(sd_ipv4ll *ll) {

10
src/network/networkd-ipv4ll.c
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@ -179,12 +179,22 @@ static void ipv4ll_handler(sd_ipv4ll *ll, int event, void *userdata) {
switch(event) {
case SD_IPV4LL_EVENT_STOP:
r = ipv4ll_address_lost(link);
if (r < 0) {
link_enter_failed(link);
return;
}
break;
case SD_IPV4LL_EVENT_CONFLICT:
r = ipv4ll_address_lost(link);
if (r < 0) {
link_enter_failed(link);
return;
}
r = sd_ipv4ll_restart(ll);
if (r < 0)
log_link_warning(link, "Could not acquire IPv4 link-local address");
break;
case SD_IPV4LL_EVENT_BIND:
r = ipv4ll_address_claimed(ll, link);

1
src/systemd/sd-ipv4ll.h
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@ -47,6 +47,7 @@ int sd_ipv4ll_set_ifindex(sd_ipv4ll *ll, int interface_index);
int sd_ipv4ll_set_address(sd_ipv4ll *ll, const struct in_addr *address);
int sd_ipv4ll_set_address_seed(sd_ipv4ll *ll, uint64_t seed);
int sd_ipv4ll_is_running(sd_ipv4ll *ll);
int sd_ipv4ll_restart(sd_ipv4ll *ll);
int sd_ipv4ll_start(sd_ipv4ll *ll);
int sd_ipv4ll_stop(sd_ipv4ll *ll);
sd_ipv4ll *sd_ipv4ll_ref(sd_ipv4ll *ll);