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path: root/drivers/net/wireless/brcm80211/brcmfmac/p2p.c
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Diffstat (limited to 'drivers/net/wireless/brcm80211/brcmfmac/p2p.c')
-rw-r--r--drivers/net/wireless/brcm80211/brcmfmac/p2p.c290
1 files changed, 214 insertions, 76 deletions
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/p2p.c b/drivers/net/wireless/brcm80211/brcmfmac/p2p.c
index 4166e642068b..e7a1a4770996 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/p2p.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/p2p.c
@@ -15,6 +15,7 @@
*/
#include <linux/slab.h>
#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
#include <net/cfg80211.h>
#include <brcmu_wifi.h>
@@ -423,29 +424,6 @@ static void brcmf_p2p_print_actframe(bool tx, void *frame, u32 frame_len)
/**
- * brcmf_p2p_chnr_to_chspec() - convert channel number to chanspec.
- *
- * @channel: channel number
- */
-static u16 brcmf_p2p_chnr_to_chspec(u16 channel)
-{
- u16 chanspec;
-
- chanspec = channel & WL_CHANSPEC_CHAN_MASK;
-
- if (channel <= CH_MAX_2G_CHANNEL)
- chanspec |= WL_CHANSPEC_BAND_2G;
- else
- chanspec |= WL_CHANSPEC_BAND_5G;
-
- chanspec |= WL_CHANSPEC_BW_20;
- chanspec |= WL_CHANSPEC_CTL_SB_NONE;
-
- return chanspec;
-}
-
-
-/**
* brcmf_p2p_set_firmware() - prepare firmware for peer-to-peer operation.
*
* @ifp: ifp to use for iovars (primary).
@@ -455,7 +433,9 @@ static int brcmf_p2p_set_firmware(struct brcmf_if *ifp, u8 *p2p_mac)
{
s32 ret = 0;
+ brcmf_fil_cmd_int_set(ifp, BRCMF_C_DOWN, 1);
brcmf_fil_iovar_int_set(ifp, "apsta", 1);
+ brcmf_fil_cmd_int_set(ifp, BRCMF_C_UP, 1);
/* In case of COB type, firmware has default mac address
* After Initializing firmware, we have to set current mac address to
@@ -473,28 +453,35 @@ static int brcmf_p2p_set_firmware(struct brcmf_if *ifp, u8 *p2p_mac)
* brcmf_p2p_generate_bss_mac() - derive mac addresses for P2P.
*
* @p2p: P2P specific data.
+ * @dev_addr: optional device address.
*
- * P2P needs mac addresses for P2P device and interface. These are
- * derived from the primary net device, ie. the permanent ethernet
- * address of the device.
+ * P2P needs mac addresses for P2P device and interface. If no device
+ * address it specified, these are derived from the primary net device, ie.
+ * the permanent ethernet address of the device.
*/
-static void brcmf_p2p_generate_bss_mac(struct brcmf_p2p_info *p2p)
+static void brcmf_p2p_generate_bss_mac(struct brcmf_p2p_info *p2p, u8 *dev_addr)
{
struct brcmf_if *pri_ifp = p2p->bss_idx[P2PAPI_BSSCFG_PRIMARY].vif->ifp;
- struct brcmf_if *p2p_ifp = p2p->bss_idx[P2PAPI_BSSCFG_DEVICE].vif->ifp;
+ bool local_admin = false;
+
+ if (!dev_addr || is_zero_ether_addr(dev_addr)) {
+ dev_addr = pri_ifp->mac_addr;
+ local_admin = true;
+ }
/* Generate the P2P Device Address. This consists of the device's
* primary MAC address with the locally administered bit set.
*/
- memcpy(p2p->dev_addr, pri_ifp->mac_addr, ETH_ALEN);
- p2p->dev_addr[0] |= 0x02;
- memcpy(p2p_ifp->mac_addr, p2p->dev_addr, ETH_ALEN);
+ memcpy(p2p->dev_addr, dev_addr, ETH_ALEN);
+ if (local_admin)
+ p2p->dev_addr[0] |= 0x02;
/* Generate the P2P Interface Address. If the discovery and connection
* BSSCFGs need to simultaneously co-exist, then this address must be
* different from the P2P Device Address, but also locally administered.
*/
memcpy(p2p->int_addr, p2p->dev_addr, ETH_ALEN);
+ p2p->int_addr[0] |= 0x02;
p2p->int_addr[4] ^= 0x80;
}
@@ -773,7 +760,7 @@ exit:
* validates the channels in the request.
*/
static s32 brcmf_p2p_run_escan(struct brcmf_cfg80211_info *cfg,
- struct net_device *ndev,
+ struct brcmf_if *ifp,
struct cfg80211_scan_request *request,
u16 action)
{
@@ -827,7 +814,8 @@ static s32 brcmf_p2p_run_escan(struct brcmf_cfg80211_info *cfg,
IEEE80211_CHAN_PASSIVE_SCAN))
continue;
- chanspecs[i] = channel_to_chanspec(chan);
+ chanspecs[i] = channel_to_chanspec(&p2p->cfg->d11inf,
+ chan);
brcmf_dbg(INFO, "%d: chan=%d, channel spec=%x\n",
num_nodfs, chan->hw_value, chanspecs[i]);
num_nodfs++;
@@ -935,8 +923,8 @@ static s32
brcmf_p2p_discover_listen(struct brcmf_p2p_info *p2p, u16 channel, u32 duration)
{
struct brcmf_cfg80211_vif *vif;
+ struct brcmu_chan ch;
s32 err = 0;
- u16 chanspec;
vif = p2p->bss_idx[P2PAPI_BSSCFG_DEVICE].vif;
if (!vif) {
@@ -951,9 +939,11 @@ brcmf_p2p_discover_listen(struct brcmf_p2p_info *p2p, u16 channel, u32 duration)
goto exit;
}
- chanspec = brcmf_p2p_chnr_to_chspec(channel);
+ ch.chnum = channel;
+ ch.bw = BRCMU_CHAN_BW_20;
+ p2p->cfg->d11inf.encchspec(&ch);
err = brcmf_p2p_set_discover_state(vif->ifp, WL_P2P_DISC_ST_LISTEN,
- chanspec, (u16)duration);
+ ch.chspec, (u16)duration);
if (!err) {
set_bit(BRCMF_P2P_STATUS_DISCOVER_LISTEN, &p2p->status);
p2p->remain_on_channel_cookie++;
@@ -1065,6 +1055,7 @@ static s32 brcmf_p2p_act_frm_search(struct brcmf_p2p_info *p2p, u16 channel)
u32 channel_cnt;
u16 *default_chan_list;
u32 i;
+ struct brcmu_chan ch;
brcmf_dbg(TRACE, "Enter\n");
@@ -1079,15 +1070,23 @@ static s32 brcmf_p2p_act_frm_search(struct brcmf_p2p_info *p2p, u16 channel)
err = -ENOMEM;
goto exit;
}
+ ch.bw = BRCMU_CHAN_BW_20;
if (channel) {
+ ch.chnum = channel;
+ p2p->cfg->d11inf.encchspec(&ch);
/* insert same channel to the chan_list */
for (i = 0; i < channel_cnt; i++)
- default_chan_list[i] =
- brcmf_p2p_chnr_to_chspec(channel);
+ default_chan_list[i] = ch.chspec;
} else {
- default_chan_list[0] = brcmf_p2p_chnr_to_chspec(SOCIAL_CHAN_1);
- default_chan_list[1] = brcmf_p2p_chnr_to_chspec(SOCIAL_CHAN_2);
- default_chan_list[2] = brcmf_p2p_chnr_to_chspec(SOCIAL_CHAN_3);
+ ch.chnum = SOCIAL_CHAN_1;
+ p2p->cfg->d11inf.encchspec(&ch);
+ default_chan_list[0] = ch.chspec;
+ ch.chnum = SOCIAL_CHAN_2;
+ p2p->cfg->d11inf.encchspec(&ch);
+ default_chan_list[1] = ch.chspec;
+ ch.chnum = SOCIAL_CHAN_3;
+ p2p->cfg->d11inf.encchspec(&ch);
+ default_chan_list[2] = ch.chspec;
}
err = brcmf_p2p_escan(p2p, channel_cnt, default_chan_list,
WL_P2P_DISC_ST_SEARCH, WL_ESCAN_ACTION_START,
@@ -1118,7 +1117,7 @@ static void brcmf_p2p_afx_handler(struct work_struct *work)
if (afx_hdl->is_listen && afx_hdl->my_listen_chan)
/* 100ms ~ 300ms */
err = brcmf_p2p_discover_listen(p2p, afx_hdl->my_listen_chan,
- 100 * (1 + (random32() % 3)));
+ 100 * (1 + prandom_u32() % 3));
else
err = brcmf_p2p_act_frm_search(p2p, afx_hdl->peer_listen_chan);
@@ -1217,6 +1216,7 @@ bool brcmf_p2p_scan_finding_common_channel(struct brcmf_cfg80211_info *cfg,
{
struct brcmf_p2p_info *p2p = &cfg->p2p;
struct afx_hdl *afx_hdl = &p2p->afx_hdl;
+ struct brcmu_chan ch;
u8 *ie;
s32 err;
u8 p2p_dev_addr[ETH_ALEN];
@@ -1242,8 +1242,12 @@ bool brcmf_p2p_scan_finding_common_channel(struct brcmf_cfg80211_info *cfg,
p2p_dev_addr, sizeof(p2p_dev_addr));
if ((err >= 0) &&
(!memcmp(p2p_dev_addr, afx_hdl->tx_dst_addr, ETH_ALEN))) {
- afx_hdl->peer_chan = bi->ctl_ch ? bi->ctl_ch :
- CHSPEC_CHANNEL(le16_to_cpu(bi->chanspec));
+ if (!bi->ctl_ch) {
+ ch.chspec = le16_to_cpu(bi->chanspec);
+ cfg->d11inf.decchspec(&ch);
+ bi->ctl_ch = ch.chnum;
+ }
+ afx_hdl->peer_chan = bi->ctl_ch;
brcmf_dbg(TRACE, "ACTION FRAME SCAN : Peer %pM found, channel : %d\n",
afx_hdl->tx_dst_addr, afx_hdl->peer_chan);
complete(&afx_hdl->act_frm_scan);
@@ -1261,7 +1265,7 @@ static void
brcmf_p2p_stop_wait_next_action_frame(struct brcmf_cfg80211_info *cfg)
{
struct brcmf_p2p_info *p2p = &cfg->p2p;
- struct net_device *ndev = cfg->escan_info.ndev;
+ struct brcmf_if *ifp = cfg->escan_info.ifp;
if (test_bit(BRCMF_P2P_STATUS_SENDING_ACT_FRAME, &p2p->status) &&
(test_bit(BRCMF_P2P_STATUS_ACTION_TX_COMPLETED, &p2p->status) ||
@@ -1271,12 +1275,12 @@ brcmf_p2p_stop_wait_next_action_frame(struct brcmf_cfg80211_info *cfg)
* So abort scan for off channel completion.
*/
if (p2p->af_sent_channel)
- brcmf_notify_escan_complete(cfg, ndev, true, true);
+ brcmf_notify_escan_complete(cfg, ifp, true, true);
} else if (test_bit(BRCMF_P2P_STATUS_WAITING_NEXT_AF_LISTEN,
&p2p->status)) {
brcmf_dbg(TRACE, "*** Wake UP ** abort listen for next af frame\n");
/* So abort scan to cancel listen */
- brcmf_notify_escan_complete(cfg, ndev, true, true);
+ brcmf_notify_escan_complete(cfg, ifp, true, true);
}
}
@@ -1350,12 +1354,14 @@ int brcmf_p2p_notify_action_frame_rx(struct brcmf_if *ifp,
u8 *frame = (u8 *)(rxframe + 1);
struct brcmf_p2p_pub_act_frame *act_frm;
struct brcmf_p2psd_gas_pub_act_frame *sd_act_frm;
- u16 chanspec = be16_to_cpu(rxframe->chanspec);
+ struct brcmu_chan ch;
struct ieee80211_mgmt *mgmt_frame;
s32 freq;
u16 mgmt_type;
u8 action;
+ ch.chspec = be16_to_cpu(rxframe->chanspec);
+ cfg->d11inf.decchspec(&ch);
/* Check if wpa_supplicant has registered for this frame */
brcmf_dbg(INFO, "ifp->vif->mgmt_rx_reg %04x\n", ifp->vif->mgmt_rx_reg);
mgmt_type = (IEEE80211_STYPE_ACTION & IEEE80211_FCTL_STYPE) >> 4;
@@ -1374,7 +1380,7 @@ int brcmf_p2p_notify_action_frame_rx(struct brcmf_if *ifp,
&p2p->status) &&
(memcmp(afx_hdl->tx_dst_addr, e->addr,
ETH_ALEN) == 0)) {
- afx_hdl->peer_chan = CHSPEC_CHANNEL(chanspec);
+ afx_hdl->peer_chan = ch.chnum;
brcmf_dbg(INFO, "GON request: Peer found, channel=%d\n",
afx_hdl->peer_chan);
complete(&afx_hdl->act_frm_scan);
@@ -1384,7 +1390,7 @@ int brcmf_p2p_notify_action_frame_rx(struct brcmf_if *ifp,
/* After complete GO Negotiation, roll back to mpc mode */
if ((action == P2P_PAF_GON_CONF) ||
(action == P2P_PAF_PROVDIS_RSP))
- brcmf_set_mpc(ifp->ndev, 1);
+ brcmf_set_mpc(ifp, 1);
if (action == P2P_PAF_GON_CONF) {
brcmf_dbg(TRACE, "P2P: GO_NEG_PHASE status cleared\n");
clear_bit(BRCMF_P2P_STATUS_GO_NEG_PHASE, &p2p->status);
@@ -1417,11 +1423,12 @@ int brcmf_p2p_notify_action_frame_rx(struct brcmf_if *ifp,
memcpy(&mgmt_frame->u, frame, mgmt_frame_len);
mgmt_frame_len += offsetof(struct ieee80211_mgmt, u);
- freq = ieee80211_channel_to_frequency(CHSPEC_CHANNEL(chanspec),
- CHSPEC_IS2G(chanspec) ?
+ freq = ieee80211_channel_to_frequency(ch.chnum,
+ ch.band == BRCMU_CHAN_BAND_2G ?
IEEE80211_BAND_2GHZ :
IEEE80211_BAND_5GHZ);
- wdev = ifp->ndev->ieee80211_ptr;
+
+ wdev = &ifp->vif->wdev;
cfg80211_rx_mgmt(wdev, freq, 0, (u8 *)mgmt_frame, mgmt_frame_len,
GFP_ATOMIC);
@@ -1637,6 +1644,7 @@ bool brcmf_p2p_send_action_frame(struct brcmf_cfg80211_info *cfg,
struct brcmf_fil_af_params_le *af_params)
{
struct brcmf_p2p_info *p2p = &cfg->p2p;
+ struct brcmf_if *ifp = netdev_priv(ndev);
struct brcmf_fil_action_frame_le *action_frame;
struct brcmf_config_af_params config_af_params;
struct afx_hdl *afx_hdl = &p2p->afx_hdl;
@@ -1725,7 +1733,7 @@ bool brcmf_p2p_send_action_frame(struct brcmf_cfg80211_info *cfg,
/* To make sure to send successfully action frame, turn off mpc */
if (config_af_params.mpc_onoff == 0)
- brcmf_set_mpc(ndev, 0);
+ brcmf_set_mpc(ifp, 0);
/* set status and destination address before sending af */
if (p2p->next_af_subtype != P2P_PAF_SUBTYPE_INVALID) {
@@ -1753,7 +1761,7 @@ bool brcmf_p2p_send_action_frame(struct brcmf_cfg80211_info *cfg,
* care of current piggback algo, lets abort the scan here
* itself.
*/
- brcmf_notify_escan_complete(cfg, ndev, true, true);
+ brcmf_notify_escan_complete(cfg, ifp, true, true);
/* update channel */
af_params->channel = cpu_to_le32(afx_hdl->peer_chan);
@@ -1820,7 +1828,7 @@ exit:
clear_bit(BRCMF_P2P_STATUS_WAITING_NEXT_ACT_FRAME, &p2p->status);
/* if all done, turn mpc on again */
if (config_af_params.mpc_onoff == 1)
- brcmf_set_mpc(ndev, 1);
+ brcmf_set_mpc(ifp, 1);
return ack;
}
@@ -1839,10 +1847,10 @@ s32 brcmf_p2p_notify_rx_mgmt_p2p_probereq(struct brcmf_if *ifp,
struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
struct brcmf_p2p_info *p2p = &cfg->p2p;
struct afx_hdl *afx_hdl = &p2p->afx_hdl;
- struct wireless_dev *wdev;
struct brcmf_cfg80211_vif *vif = ifp->vif;
struct brcmf_rx_mgmt_data *rxframe = (struct brcmf_rx_mgmt_data *)data;
u16 chanspec = be16_to_cpu(rxframe->chanspec);
+ struct brcmu_chan ch;
u8 *mgmt_frame;
u32 mgmt_frame_len;
s32 freq;
@@ -1851,9 +1859,12 @@ s32 brcmf_p2p_notify_rx_mgmt_p2p_probereq(struct brcmf_if *ifp,
brcmf_dbg(INFO, "Enter: event %d reason %d\n", e->event_code,
e->reason);
+ ch.chspec = be16_to_cpu(rxframe->chanspec);
+ cfg->d11inf.decchspec(&ch);
+
if (test_bit(BRCMF_P2P_STATUS_FINDING_COMMON_CHANNEL, &p2p->status) &&
(memcmp(afx_hdl->tx_dst_addr, e->addr, ETH_ALEN) == 0)) {
- afx_hdl->peer_chan = CHSPEC_CHANNEL(chanspec);
+ afx_hdl->peer_chan = ch.chnum;
brcmf_dbg(INFO, "PROBE REQUEST: Peer found, channel=%d\n",
afx_hdl->peer_chan);
complete(&afx_hdl->act_frm_scan);
@@ -1878,12 +1889,13 @@ s32 brcmf_p2p_notify_rx_mgmt_p2p_probereq(struct brcmf_if *ifp,
mgmt_frame = (u8 *)(rxframe + 1);
mgmt_frame_len = e->datalen - sizeof(*rxframe);
- freq = ieee80211_channel_to_frequency(CHSPEC_CHANNEL(chanspec),
- CHSPEC_IS2G(chanspec) ?
+ freq = ieee80211_channel_to_frequency(ch.chnum,
+ ch.band == BRCMU_CHAN_BAND_2G ?
IEEE80211_BAND_2GHZ :
IEEE80211_BAND_5GHZ);
- wdev = ifp->ndev->ieee80211_ptr;
- cfg80211_rx_mgmt(wdev, freq, 0, mgmt_frame, mgmt_frame_len, GFP_ATOMIC);
+
+ cfg80211_rx_mgmt(&vif->wdev, freq, 0, mgmt_frame, mgmt_frame_len,
+ GFP_ATOMIC);
brcmf_dbg(INFO, "mgmt_frame_len (%d) , e->datalen (%d), chanspec (%04x), freq (%d)\n",
mgmt_frame_len, e->datalen, chanspec, freq);
@@ -1934,7 +1946,8 @@ s32 brcmf_p2p_attach(struct brcmf_cfg80211_info *cfg)
p2p->bss_idx[P2PAPI_BSSCFG_DEVICE].vif = p2p_vif;
- brcmf_p2p_generate_bss_mac(p2p);
+ brcmf_p2p_generate_bss_mac(p2p, NULL);
+ memcpy(p2p_ifp->mac_addr, p2p->dev_addr, ETH_ALEN);
brcmf_p2p_set_firmware(pri_ifp, p2p->dev_addr);
/* Initialize P2P Discovery in the firmware */
@@ -2001,21 +2014,19 @@ static void brcmf_p2p_get_current_chanspec(struct brcmf_p2p_info *p2p,
{
struct brcmf_if *ifp;
struct brcmf_fil_chan_info_le ci;
+ struct brcmu_chan ch;
s32 err;
ifp = p2p->bss_idx[P2PAPI_BSSCFG_PRIMARY].vif->ifp;
- *chanspec = 11 & WL_CHANSPEC_CHAN_MASK;
+ ch.chnum = 11;
err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_CHANNEL, &ci, sizeof(ci));
- if (!err) {
- *chanspec = le32_to_cpu(ci.hw_channel) & WL_CHANSPEC_CHAN_MASK;
- if (*chanspec < CH_MAX_2G_CHANNEL)
- *chanspec |= WL_CHANSPEC_BAND_2G;
- else
- *chanspec |= WL_CHANSPEC_BAND_5G;
- }
- *chanspec |= WL_CHANSPEC_BW_20 | WL_CHANSPEC_CTL_SB_NONE;
+ if (!err)
+ ch.chnum = le32_to_cpu(ci.hw_channel);
+ ch.bw = BRCMU_CHAN_BW_20;
+ p2p->cfg->d11inf.encchspec(&ch);
+ *chanspec = ch.chspec;
}
/**
@@ -2040,13 +2051,13 @@ int brcmf_p2p_ifchange(struct brcmf_cfg80211_info *cfg,
brcmf_err("vif for P2PAPI_BSSCFG_PRIMARY does not exist\n");
return -EPERM;
}
- brcmf_notify_escan_complete(cfg, vif->ifp->ndev, true, true);
+ brcmf_notify_escan_complete(cfg, vif->ifp, true, true);
vif = p2p->bss_idx[P2PAPI_BSSCFG_CONNECTION].vif;
if (!vif) {
brcmf_err("vif for P2PAPI_BSSCFG_CONNECTION does not exist\n");
return -EPERM;
}
- brcmf_set_mpc(vif->ifp->ndev, 0);
+ brcmf_set_mpc(vif->ifp, 0);
/* In concurrency case, STA may be already associated in a particular */
/* channel. so retrieve the current channel of primary interface and */
@@ -2124,13 +2135,105 @@ static int brcmf_p2p_release_p2p_if(struct brcmf_cfg80211_vif *vif)
}
/**
+ * brcmf_p2p_create_p2pdev() - create a P2P_DEVICE virtual interface.
+ *
+ * @p2p: P2P specific data.
+ * @wiphy: wiphy device of new interface.
+ * @addr: mac address for this new interface.
+ */
+static struct wireless_dev *brcmf_p2p_create_p2pdev(struct brcmf_p2p_info *p2p,
+ struct wiphy *wiphy,
+ u8 *addr)
+{
+ struct brcmf_cfg80211_vif *p2p_vif;
+ struct brcmf_if *p2p_ifp;
+ struct brcmf_if *pri_ifp;
+ int err;
+ u32 bssidx;
+
+ if (p2p->bss_idx[P2PAPI_BSSCFG_DEVICE].vif)
+ return ERR_PTR(-ENOSPC);
+
+ p2p_vif = brcmf_alloc_vif(p2p->cfg, NL80211_IFTYPE_P2P_DEVICE,
+ false);
+ if (IS_ERR(p2p_vif)) {
+ brcmf_err("could not create discovery vif\n");
+ return (struct wireless_dev *)p2p_vif;
+ }
+
+ pri_ifp = p2p->bss_idx[P2PAPI_BSSCFG_PRIMARY].vif->ifp;
+ brcmf_p2p_generate_bss_mac(p2p, addr);
+ brcmf_p2p_set_firmware(pri_ifp, p2p->dev_addr);
+
+ brcmf_cfg80211_arm_vif_event(p2p->cfg, p2p_vif);
+
+ /* Initialize P2P Discovery in the firmware */
+ err = brcmf_fil_iovar_int_set(pri_ifp, "p2p_disc", 1);
+ if (err < 0) {
+ brcmf_err("set p2p_disc error\n");
+ brcmf_cfg80211_arm_vif_event(p2p->cfg, NULL);
+ goto fail;
+ }
+
+ /* wait for firmware event */
+ err = brcmf_cfg80211_wait_vif_event_timeout(p2p->cfg, BRCMF_E_IF_ADD,
+ msecs_to_jiffies(1500));
+ brcmf_cfg80211_arm_vif_event(p2p->cfg, NULL);
+ if (!err) {
+ brcmf_err("timeout occurred\n");
+ err = -EIO;
+ goto fail;
+ }
+
+ /* discovery interface created */
+ p2p_ifp = p2p_vif->ifp;
+ p2p->bss_idx[P2PAPI_BSSCFG_DEVICE].vif = p2p_vif;
+ memcpy(p2p_ifp->mac_addr, p2p->dev_addr, ETH_ALEN);
+ memcpy(&p2p_vif->wdev.address, p2p->dev_addr, sizeof(p2p->dev_addr));
+
+ /* verify bsscfg index for P2P discovery */
+ err = brcmf_fil_iovar_int_get(pri_ifp, "p2p_dev", &bssidx);
+ if (err < 0) {
+ brcmf_err("retrieving discover bsscfg index failed\n");
+ goto fail;
+ }
+
+ WARN_ON(p2p_ifp->bssidx != bssidx);
+
+ init_completion(&p2p->send_af_done);
+ INIT_WORK(&p2p->afx_hdl.afx_work, brcmf_p2p_afx_handler);
+ init_completion(&p2p->afx_hdl.act_frm_scan);
+ init_completion(&p2p->wait_next_af);
+
+ return &p2p_vif->wdev;
+
+fail:
+ brcmf_free_vif(p2p_vif);
+ return ERR_PTR(err);
+}
+
+/**
+ * brcmf_p2p_delete_p2pdev() - delete P2P_DEVICE virtual interface.
+ *
+ * @vif: virtual interface object to delete.
+ */
+static void brcmf_p2p_delete_p2pdev(struct brcmf_cfg80211_vif *vif)
+{
+ struct brcmf_p2p_info *p2p = &vif->ifp->drvr->config->p2p;
+
+ cfg80211_unregister_wdev(&vif->wdev);
+ p2p->bss_idx[P2PAPI_BSSCFG_DEVICE].vif = NULL;
+ brcmf_free_vif(vif);
+}
+
+/**
* brcmf_p2p_add_vif() - create a new P2P virtual interface.
*
* @wiphy: wiphy device of new interface.
* @name: name of the new interface.
* @type: nl80211 interface type.
- * @flags: TBD
- * @params: TBD
+ * @flags: not used.
+ * @params: contains mac address for P2P device.
*/
struct wireless_dev *brcmf_p2p_add_vif(struct wiphy *wiphy, const char *name,
enum nl80211_iftype type, u32 *flags,
@@ -2157,6 +2260,9 @@ struct wireless_dev *brcmf_p2p_add_vif(struct wiphy *wiphy, const char *name,
iftype = BRCMF_FIL_P2P_IF_GO;
mode = WL_MODE_AP;
break;
+ case NL80211_IFTYPE_P2P_DEVICE:
+ return brcmf_p2p_create_p2pdev(&cfg->p2p, wiphy,
+ params->macaddr);
default:
return ERR_PTR(-EOPNOTSUPP);
}
@@ -2244,6 +2350,8 @@ int brcmf_p2p_del_vif(struct wiphy *wiphy, struct wireless_dev *wdev)
break;
case NL80211_IFTYPE_P2P_DEVICE:
+ brcmf_p2p_delete_p2pdev(vif);
+ return 0;
default:
return -ENOTSUPP;
break;
@@ -2275,3 +2383,33 @@ int brcmf_p2p_del_vif(struct wiphy *wiphy, struct wireless_dev *wdev)
return err;
}
+
+int brcmf_p2p_start_device(struct wiphy *wiphy, struct wireless_dev *wdev)
+{
+ struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
+ struct brcmf_p2p_info *p2p = &cfg->p2p;
+ struct brcmf_cfg80211_vif *vif;
+ int err;
+
+ vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev);
+ mutex_lock(&cfg->usr_sync);
+ err = brcmf_p2p_enable_discovery(p2p);
+ if (!err)
+ set_bit(BRCMF_VIF_STATUS_READY, &vif->sme_state);
+ mutex_unlock(&cfg->usr_sync);
+ return err;
+}
+
+void brcmf_p2p_stop_device(struct wiphy *wiphy, struct wireless_dev *wdev)
+{
+ struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
+ struct brcmf_p2p_info *p2p = &cfg->p2p;
+ struct brcmf_cfg80211_vif *vif;
+
+ vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev);
+ mutex_lock(&cfg->usr_sync);
+ (void)brcmf_p2p_deinit_discovery(p2p);
+ brcmf_abort_scanning(cfg);
+ clear_bit(BRCMF_VIF_STATUS_READY, &vif->sme_state);
+ mutex_unlock(&cfg->usr_sync);
+}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.