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wired: Start and stop EAPoL session based on IFF_LOWER_UP signalling

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This commit is contained in:
Marcel Holtmann 2018-09-14 22:29:38 +02:00
parent ee755490c1
commit f8b2610046
1 changed files with 18 additions and 4 deletions
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22
wired/ethdev.c
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@ -45,6 +45,8 @@ struct ethdev {
uint32_t index; uint32_t index;
char ifname[IFNAMSIZ]; char ifname[IFNAMSIZ];
uint8_t addr[ETH_ALEN]; uint8_t addr[ETH_ALEN];
bool active;
bool lower_up;
struct l_queue *eapol_sessions; struct l_queue *eapol_sessions;
}; };
@ -371,10 +373,14 @@ static void newlink_notify(const struct ifinfomsg *ifi, int bytes)
uint8_t *addr = NULL; uint8_t *addr = NULL;
const char *ifname = NULL; const char *ifname = NULL;
uint8_t linkmode = 0, operstate = 0; uint8_t linkmode = 0, operstate = 0;
bool active, lower_up;
if (ifi->ifi_type != ARPHRD_ETHER) if (ifi->ifi_type != ARPHRD_ETHER)
return; return;
active = ifi->ifi_flags & IFF_UP;
lower_up = ifi->ifi_flags & IFF_LOWER_UP;
for (attr = IFLA_RTA(ifi); RTA_OK(attr, bytes); for (attr = IFLA_RTA(ifi); RTA_OK(attr, bytes);
attr = RTA_NEXT(attr, bytes)) { attr = RTA_NEXT(attr, bytes)) {
switch (attr->rta_type) { switch (attr->rta_type) {
@ -397,7 +403,7 @@ static void newlink_notify(const struct ifinfomsg *ifi, int bytes)
if (!addr || !ifname) if (!addr || !ifname)
return; return;
l_info("%s: linkmode %u operstate %u", ifname, linkmode, operstate); l_debug("%s: linkmode %u operstate %u", ifname, linkmode, operstate);
if (!is_ifname_valid(ifname)) { if (!is_ifname_valid(ifname)) {
l_debug("Ignoring device with interface name %s", ifname); l_debug("Ignoring device with interface name %s", ifname);
@ -427,20 +433,28 @@ static void newlink_notify(const struct ifinfomsg *ifi, int bytes)
dev = l_new(struct ethdev, 1); dev = l_new(struct ethdev, 1);
dev->index = index; dev->index = index;
dev->active = false;
dev->lower_up = false;
dev->eapol_sessions = l_queue_new(); dev->eapol_sessions = l_queue_new();
l_debug("Creating device %u", dev->index); l_debug("Creating device %u", dev->index);
l_queue_push_tail(ethdev_list, dev); l_queue_push_tail(ethdev_list, dev);
pae_write(dev, pae_group_addr,
eapol_start, sizeof(eapol_start));
} }
if (ifname) if (ifname)
strcpy(dev->ifname, ifname); strcpy(dev->ifname, ifname);
memcpy(dev->addr, addr, ETH_ALEN); memcpy(dev->addr, addr, ETH_ALEN);
if (lower_up && !dev->lower_up)
pae_write(dev, pae_group_addr,
eapol_start, sizeof(eapol_start));
else if (!lower_up && dev->lower_up)
l_queue_destroy(dev->eapol_sessions, eapol_free);
dev->active = active;
dev->lower_up = lower_up;
} }
static void dellink_notify(const struct ifinfomsg *ifi, int bytes) static void dellink_notify(const struct ifinfomsg *ifi, int bytes)