diff options
Diffstat (limited to 'src/libsystemd-network/sd-ipv4ll.c')
| -rw-r--r-- | src/libsystemd-network/sd-ipv4ll.c | 46 |
1 files changed, 26 insertions, 20 deletions
diff --git a/src/libsystemd-network/sd-ipv4ll.c b/src/libsystemd-network/sd-ipv4ll.c index 8f75b585e1..9736e4d12a 100644 --- a/src/libsystemd-network/sd-ipv4ll.c +++ b/src/libsystemd-network/sd-ipv4ll.c @@ -85,7 +85,7 @@ struct sd_ipv4ll { void* userdata; }; -static void ipv4ll_set_state(sd_ipv4ll *ll, IPv4LLState st, int reset_counter) { +static void ipv4ll_set_state(sd_ipv4ll *ll, IPv4LLState st, bool reset_counter) { assert(ll); assert(st < _IPV4LL_STATE_MAX); @@ -124,7 +124,7 @@ static sd_ipv4ll *ipv4ll_stop(sd_ipv4ll *ll, int event) { if (ll) { ll->claimed_address = 0; - ipv4ll_set_state (ll, IPV4LL_STATE_INIT, 1); + ipv4ll_set_state (ll, IPV4LL_STATE_INIT, true); } return ll; @@ -204,7 +204,7 @@ static int ipv4ll_on_timeout(sd_event_source *s, uint64_t usec, void *userdata) if (ll->state == IPV4LL_STATE_INIT) { log_ipv4ll(ll, "PROBE"); - ipv4ll_set_state(ll, IPV4LL_STATE_WAITING_PROBE, 1); + ipv4ll_set_state(ll, IPV4LL_STATE_WAITING_PROBE, true); ipv4ll_set_next_wakeup(ll, 0, PROBE_WAIT); } else if (ll->state == IPV4LL_STATE_WAITING_PROBE || @@ -217,7 +217,7 @@ static int ipv4ll_on_timeout(sd_event_source *s, uint64_t usec, void *userdata) goto out; } - ipv4ll_set_state(ll, IPV4LL_STATE_PROBING, 0); + ipv4ll_set_state(ll, IPV4LL_STATE_PROBING, false); ipv4ll_set_next_wakeup(ll, PROBE_MIN, (PROBE_MAX-PROBE_MIN)); @@ -230,7 +230,7 @@ static int ipv4ll_on_timeout(sd_event_source *s, uint64_t usec, void *userdata) goto out; } - ipv4ll_set_state(ll, IPV4LL_STATE_WAITING_ANNOUNCE, 1); + ipv4ll_set_state(ll, IPV4LL_STATE_WAITING_ANNOUNCE, true); ipv4ll_set_next_wakeup(ll, ANNOUNCE_WAIT, 0); @@ -244,7 +244,7 @@ static int ipv4ll_on_timeout(sd_event_source *s, uint64_t usec, void *userdata) goto out; } - ipv4ll_set_state(ll, IPV4LL_STATE_ANNOUNCING, 0); + ipv4ll_set_state(ll, IPV4LL_STATE_ANNOUNCING, false); ipv4ll_set_next_wakeup(ll, ANNOUNCE_INTERVAL, 0); @@ -261,7 +261,7 @@ static int ipv4ll_on_timeout(sd_event_source *s, uint64_t usec, void *userdata) } else if ((ll->state == IPV4LL_STATE_ANNOUNCING && ll->iteration >= ANNOUNCE_NUM-1)) { - ipv4ll_set_state(ll, IPV4LL_STATE_RUNNING, 0); + ipv4ll_set_state(ll, IPV4LL_STATE_RUNNING, false); ll->next_wakeup_valid = 0; } @@ -316,7 +316,7 @@ static int ipv4ll_on_conflict(sd_ipv4ll *ll) { ll->conflict++; ll->defend_window = 0; - ipv4ll_set_state(ll, IPV4LL_STATE_WAITING_PROBE, 1); + ipv4ll_set_state(ll, IPV4LL_STATE_WAITING_PROBE, true); if (ll->conflict >= MAX_CONFLICTS) { log_ipv4ll(ll, "MAX_CONFLICTS"); @@ -340,8 +340,9 @@ static int ipv4ll_on_packet(sd_event_source *s, int fd, if (r < (int) sizeof(struct ether_arp)) goto out; - if (IN_SET(ll->state, IPV4LL_STATE_ANNOUNCING, IPV4LL_STATE_RUNNING)) { - + switch (ll->state) { + case IPV4LL_STATE_ANNOUNCING: + case IPV4LL_STATE_RUNNING: if (ipv4ll_arp_conflict(ll, &packet)) { usec_t ts; @@ -363,14 +364,19 @@ static int ipv4ll_on_packet(sd_event_source *s, int fd, } } - } else if (IN_SET(ll->state, IPV4LL_STATE_WAITING_PROBE, - IPV4LL_STATE_PROBING, - IPV4LL_STATE_WAITING_ANNOUNCE)) { - if (ipv4ll_arp_probe_conflict(ll, &packet)) { - r = ipv4ll_on_conflict(ll); - if (r < 0) - goto out; - } + break; + case IPV4LL_STATE_WAITING_PROBE: + case IPV4LL_STATE_PROBING: + case IPV4LL_STATE_WAITING_ANNOUNCE: + if (ipv4ll_arp_probe_conflict(ll, &packet)) { + r = ipv4ll_on_conflict(ll); + if (r < 0) + goto out; + } + + break; + default: + assert_not_reached("Invalid state."); } out: @@ -549,7 +555,7 @@ int sd_ipv4ll_start (sd_ipv4ll *ll) { safe_close(ll->fd); ll->fd = r; - ipv4ll_set_state (ll, IPV4LL_STATE_INIT, 1); + ipv4ll_set_state (ll, IPV4LL_STATE_INIT, true); r = sd_event_add_io(ll->event, &ll->receive_message, ll->fd, EPOLLIN, ipv4ll_on_packet, ll); @@ -588,7 +594,7 @@ out: int sd_ipv4ll_stop(sd_ipv4ll *ll) { ipv4ll_stop(ll, IPV4LL_EVENT_STOP); if (ll) - ipv4ll_set_state(ll, IPV4LL_STATE_STOPPED, 1); + ipv4ll_set_state(ll, IPV4LL_STATE_STOPPED, true); return 0; } |