static int brcmf_netdev_open(struct net_device *ndev)
{
struct brcmf_if *ifp = netdev_priv(ndev);
struct brcmf_pub *drvr = ifp->drvr;
struct brcmf_bus *bus_if = drvr->bus_if;
u32 toe_ol;
brcmf_dbg(TRACE, "Enter, bsscfgidx=%d\n", ifp->bsscfgidx);
/* If bus is not ready, can't continue */
if (bus_if->state != BRCMF_BUS_UP) {
brcmf_err("failed bus is not ready\n");
return -EAGAIN;
}
atomic_set(&ifp->pend_8021x_cnt, 0);
/* Get current TOE mode from dongle */
if (brcmf_fil_iovar_int_get(ifp, "toe_ol", &toe_ol) >= 0
&& (toe_ol & TOE_TX_CSUM_OL) != 0)
ndev->features |= NETIF_F_IP_CSUM;
else
ndev->features &= ~NETIF_F_IP_CSUM;
if (brcmf_cfg80211_up(ndev)) {
brcmf_err("failed to bring up cfg80211\n");
return -EIO;
}
/* Clear, carrier, set when connected or AP mode. */
netif_carrier_off(ndev);
return 0;
}
/**
* brcmf_feat_iovar_int_get() - determine feature through iovar query.
*
* @ifp: interface to query.
* @id: feature id.
* @name: iovar name.
*/
static void brcmf_feat_iovar_int_get(struct brcmf_if *ifp,
enum brcmf_feat_id id, char *name)
{
u32 data;
int err;
err = brcmf_fil_iovar_int_get(ifp, name, &data);
if (err == 0) {
brcmf_dbg(INFO, "enabling feature: %s\n", brcmf_feat_names[id]);
ifp->drvr->feat_flags |= BIT(id);
} else {
brcmf_dbg(TRACE, "%s feature check failed: %d\n",
brcmf_feat_names[id], err);
}
}
static int brcmf_inetaddr_changed(struct notifier_block *nb,
unsigned long action, void *data)
{
struct brcmf_pub *drvr = container_of(nb, struct brcmf_pub,
inetaddr_notifier);
struct in_ifaddr *ifa = data;
struct net_device *ndev = ifa->ifa_dev->dev;
struct brcmf_if *ifp;
int idx, i, ret;
u32 val;
__be32 addr_table[ARPOL_MAX_ENTRIES] = {0};
/* Find out if the notification is meant for us */
for (idx = 0; idx < BRCMF_MAX_IFS; idx++) {
ifp = drvr->iflist[idx];
if (ifp && ifp->ndev == ndev)
break;
if (idx == BRCMF_MAX_IFS - 1)
return NOTIFY_DONE;
}
/* check if arp offload is supported */
ret = brcmf_fil_iovar_int_get(ifp, "arpoe", &val);
if (ret)
return NOTIFY_OK;
/* old version only support primary index */
ret = brcmf_fil_iovar_int_get(ifp, "arp_version", &val);
if (ret)
val = 1;
if (val == 1)
ifp = drvr->iflist[0];
/* retrieve the table from firmware */
ret = brcmf_fil_iovar_data_get(ifp, "arp_hostip", addr_table,
sizeof(addr_table));
if (ret) {
brcmf_err("fail to get arp ip table err:%d\n", ret);
return NOTIFY_OK;
}
for (i = 0; i < ARPOL_MAX_ENTRIES; i++)
if (ifa->ifa_address == addr_table[i])
break;
switch (action) {
case NETDEV_UP:
if (i == ARPOL_MAX_ENTRIES) {
brcmf_dbg(TRACE, "add %pI4 to arp table\n",
&ifa->ifa_address);
/* set it directly */
ret = brcmf_fil_iovar_data_set(ifp, "arp_hostip",
&ifa->ifa_address, sizeof(ifa->ifa_address));
if (ret)
brcmf_err("add arp ip err %d\n", ret);
}
break;
case NETDEV_DOWN:
if (i < ARPOL_MAX_ENTRIES) {
addr_table[i] = 0;
brcmf_dbg(TRACE, "remove %pI4 from arp table\n",
&ifa->ifa_address);
/* clear the table in firmware */
ret = brcmf_fil_iovar_data_set(ifp, "arp_hostip_clear",
NULL, 0);
if (ret) {
brcmf_err("fail to clear arp ip table err:%d\n",
ret);
return NOTIFY_OK;
}
for (i = 0; i < ARPOL_MAX_ENTRIES; i++) {
if (addr_table[i] == 0)
continue;
ret = brcmf_fil_iovar_data_set(ifp, "arp_hostip",
&addr_table[i],
sizeof(addr_table[i]));
if (ret)
brcmf_err("add arp ip err %d\n",
ret);
}
}
break;
default:
break;
}
return NOTIFY_OK;
}
/**
* brcmf_btcoex_params_read() - read btc_params firmware variable
* @ifp: interface
* @addr: btc_params register number
* @data: read data
*/
static s32 brcmf_btcoex_params_read(struct brcmf_if *ifp, u32 addr, u32 *data)
{
*data = addr;
return brcmf_fil_iovar_int_get(ifp, "btc_params", data);
}
