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brcmfmac: use struct brcmf_if instance iso netdevice in escan functions

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escan functionality is also required for P2P device operations so it
is better not to rely on struct netdevice instances.

Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Reviewed-by: Piotr Haber <phaber@broadcom.com>
Reviewed-by: Hante Meuleman <meuleman@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Arend van Spriel 2013-04-05 10:57:49 +02:00 committed by John W. Linville
parent f96aa07ecc
commit a0f472aca2
3 changed files with 42 additions and 52 deletions
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17
drivers/net/wireless/brcm80211/brcmfmac/p2p.c
View File

@ -773,7 +773,7 @@ static s32 brcmf_p2p_escan(struct brcmf_p2p_info *p2p, u32 num_chans,
* 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)
{
@ -1261,7 +1261,7 @@ 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 +1271,12 @@ 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);
}
}
@ -1637,6 +1637,7 @@ 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 +1726,7 @@ 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(netdev_priv(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 +1754,7 @@ 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 +1821,7 @@ bool brcmf_p2p_send_action_frame(struct brcmf_cfg80211_info *cfg,
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(netdev_priv(ndev), 1);
brcmf_set_mpc(ifp, 1);
return ack;
}
@ -2040,7 +2041,7 @@ 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");

68
drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c
View File

@ -504,12 +504,10 @@ void brcmf_set_mpc(struct brcmf_if *ifp, int mpc)
}
}
s32
brcmf_notify_escan_complete(struct brcmf_cfg80211_info *cfg,
struct net_device *ndev,
bool aborted, bool fw_abort)
s32 brcmf_notify_escan_complete(struct brcmf_cfg80211_info *cfg,
struct brcmf_if *ifp, bool aborted,
bool fw_abort)
{
struct brcmf_if *ifp = netdev_priv(ndev);
struct brcmf_scan_params_le params_le;
struct cfg80211_scan_request *scan_request;
s32 err = 0;
@ -578,9 +576,9 @@ int brcmf_cfg80211_del_iface(struct wiphy *wiphy, struct wireless_dev *wdev)
if (ndev) {
if (test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status) &&
cfg->escan_info.ndev == ndev)
brcmf_notify_escan_complete(cfg, ndev, true,
true);
cfg->escan_info.ifp == netdev_priv(ndev))
brcmf_notify_escan_complete(cfg, netdev_priv(ndev),
true, true);
brcmf_fil_iovar_int_set(netdev_priv(ndev), "mpc", 1);
}
@ -762,7 +760,7 @@ static void brcmf_escan_prep(struct brcmf_scan_params_le *params_le,
}
static s32
brcmf_run_escan(struct brcmf_cfg80211_info *cfg, struct net_device *ndev,
brcmf_run_escan(struct brcmf_cfg80211_info *cfg, struct brcmf_if *ifp,
struct cfg80211_scan_request *request, u16 action)
{
s32 params_size = BRCMF_SCAN_PARAMS_FIXED_SIZE +
@ -791,8 +789,7 @@ brcmf_run_escan(struct brcmf_cfg80211_info *cfg, struct net_device *ndev,
params->action = cpu_to_le16(action);
params->sync_id = cpu_to_le16(0x1234);
err = brcmf_fil_iovar_data_set(netdev_priv(ndev), "escan",
params, params_size);
err = brcmf_fil_iovar_data_set(ifp, "escan", params, params_size);
if (err) {
if (err == -EBUSY)
brcmf_dbg(INFO, "system busy : escan canceled\n");
@ -807,16 +804,15 @@ brcmf_run_escan(struct brcmf_cfg80211_info *cfg, struct net_device *ndev,
static s32
brcmf_do_escan(struct brcmf_cfg80211_info *cfg, struct wiphy *wiphy,
struct net_device *ndev, struct cfg80211_scan_request *request)
struct brcmf_if *ifp, struct cfg80211_scan_request *request)
{
s32 err;
u32 passive_scan;
struct brcmf_scan_results *results;
struct escan_info *escan = &cfg->escan_info;
struct brcmf_if *ifp = netdev_priv(ndev);
brcmf_dbg(SCAN, "Enter\n");
escan->ndev = ndev;
escan->ifp = ifp;
escan->wiphy = wiphy;
escan->escan_state = WL_ESCAN_STATE_SCANNING;
passive_scan = cfg->active_scan ? 0 : 1;
@ -832,19 +828,19 @@ brcmf_do_escan(struct brcmf_cfg80211_info *cfg, struct wiphy *wiphy,
results->count = 0;
results->buflen = WL_ESCAN_RESULTS_FIXED_SIZE;
err = escan->run(cfg, ndev, request, WL_ESCAN_ACTION_START);
err = escan->run(cfg, ifp, request, WL_ESCAN_ACTION_START);
if (err)
brcmf_set_mpc(ifp, 1);
return err;
}
static s32
brcmf_cfg80211_escan(struct wiphy *wiphy, struct net_device *ndev,
brcmf_cfg80211_escan(struct wiphy *wiphy, struct brcmf_cfg80211_vif *vif,
struct cfg80211_scan_request *request,
struct cfg80211_ssid *this_ssid)
{
struct brcmf_if *ifp = netdev_priv(ndev);
struct brcmf_cfg80211_info *cfg = ndev_to_cfg(ndev);
struct brcmf_if *ifp = vif->ifp;
struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
struct cfg80211_ssid *ssids;
struct brcmf_cfg80211_scan_req *sr = &cfg->scan_req_int;
u32 passive_scan;
@ -870,10 +866,8 @@ brcmf_cfg80211_escan(struct wiphy *wiphy, struct net_device *ndev,
}
/* If scan req comes for p2p0, send it over primary I/F */
if (ifp->vif == cfg->p2p.bss_idx[P2PAPI_BSSCFG_DEVICE].vif) {
ifp = cfg->p2p.bss_idx[P2PAPI_BSSCFG_PRIMARY].vif->ifp;
ndev = ifp->ndev;
}
if (vif == cfg->p2p.bss_idx[P2PAPI_BSSCFG_DEVICE].vif)
vif = cfg->p2p.bss_idx[P2PAPI_BSSCFG_PRIMARY].vif;
/* Arm scan timeout timer */
mod_timer(&cfg->escan_timeout, jiffies +
@ -894,11 +888,11 @@ brcmf_cfg80211_escan(struct wiphy *wiphy, struct net_device *ndev,
set_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status);
if (escan_req) {
cfg->escan_info.run = brcmf_run_escan;
err = brcmf_p2p_scan_prep(wiphy, request, ifp->vif);
err = brcmf_p2p_scan_prep(wiphy, request, vif);
if (err)
goto scan_out;
err = brcmf_do_escan(cfg, wiphy, ndev, request);
err = brcmf_do_escan(cfg, wiphy, vif->ifp, request);
if (err)
goto scan_out;
} else {
@ -950,16 +944,15 @@ brcmf_cfg80211_escan(struct wiphy *wiphy, struct net_device *ndev,
static s32
brcmf_cfg80211_scan(struct wiphy *wiphy, struct cfg80211_scan_request *request)
{
struct net_device *ndev = request->wdev->netdev;
struct brcmf_cfg80211_vif *vif;
s32 err = 0;
brcmf_dbg(TRACE, "Enter\n");
if (!check_vif_up(container_of(request->wdev,
struct brcmf_cfg80211_vif, wdev)))
vif = container_of(request->wdev, struct brcmf_cfg80211_vif, wdev);
if (!check_vif_up(vif))
return -EIO;
err = brcmf_cfg80211_escan(wiphy, ndev, request, NULL);
err = brcmf_cfg80211_escan(wiphy, vif, request, NULL);
if (err)
brcmf_err("scan error (%d)\n", err);
@ -2471,7 +2464,7 @@ void brcmf_abort_scanning(struct brcmf_cfg80211_info *cfg)
set_bit(BRCMF_SCAN_STATUS_ABORT, &cfg->scan_status);
if (cfg->scan_request) {
escan->escan_state = WL_ESCAN_STATE_IDLE;
brcmf_notify_escan_complete(cfg, escan->ndev, true, true);
brcmf_notify_escan_complete(cfg, escan->ifp, true, true);
}
clear_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status);
clear_bit(BRCMF_SCAN_STATUS_ABORT, &cfg->scan_status);
@ -2483,7 +2476,7 @@ static void brcmf_cfg80211_escan_timeout_worker(struct work_struct *work)
container_of(work, struct brcmf_cfg80211_info,
escan_timeout_work);
brcmf_notify_escan_complete(cfg, cfg->escan_info.ndev, true, true);
brcmf_notify_escan_complete(cfg, cfg->escan_info.ifp, true, true);
}
static void brcmf_escan_timeout(unsigned long data)
@ -2534,7 +2527,6 @@ brcmf_cfg80211_escan_handler(struct brcmf_if *ifp,
const struct brcmf_event_msg *e, void *data)
{
struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
struct net_device *ndev = ifp->ndev;
s32 status;
s32 err = 0;
struct brcmf_escan_result_le *escan_result_le;
@ -2547,9 +2539,8 @@ brcmf_cfg80211_escan_handler(struct brcmf_if *ifp,
status = e->status;
if (!ndev || !test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)) {
brcmf_err("scan not ready ndev %p drv_status %x\n", ndev,
!test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status));
if (!test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)) {
brcmf_err("scan not ready, bssidx=%d\n", ifp->bssidx);
return -EPERM;
}
@ -2620,7 +2611,7 @@ brcmf_cfg80211_escan_handler(struct brcmf_if *ifp,
cfg->escan_info.escan_buf;
brcmf_inform_bss(cfg);
aborted = status != BRCMF_E_STATUS_SUCCESS;
brcmf_notify_escan_complete(cfg, ndev, aborted,
brcmf_notify_escan_complete(cfg, ifp, aborted,
false);
} else
brcmf_dbg(SCAN, "Ignored scan complete result 0x%x\n",
@ -2856,7 +2847,6 @@ brcmf_notify_sched_scan_results(struct brcmf_if *ifp,
const struct brcmf_event_msg *e, void *data)
{
struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
struct net_device *ndev = ifp->ndev;
struct brcmf_pno_net_info_le *netinfo, *netinfo_start;
struct cfg80211_scan_request *request = NULL;
struct cfg80211_ssid *ssid = NULL;
@ -2940,7 +2930,7 @@ brcmf_notify_sched_scan_results(struct brcmf_if *ifp,
}
set_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status);
err = brcmf_do_escan(cfg, wiphy, ndev, request);
err = brcmf_do_escan(cfg, wiphy, ifp, request);
if (err) {
clear_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status);
goto out_err;
@ -3097,7 +3087,7 @@ static int brcmf_cfg80211_sched_scan_stop(struct wiphy *wiphy,
brcmf_dbg(SCAN, "enter\n");
brcmf_dev_pno_clean(ndev);
if (cfg->sched_escan)
brcmf_notify_escan_complete(cfg, ndev, true, true);
brcmf_notify_escan_complete(cfg, netdev_priv(ndev), true, true);
return 0;
}

9
drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.h
View File

@ -238,9 +238,8 @@ struct escan_info {
u32 escan_state;
u8 escan_buf[WL_ESCAN_BUF_SIZE];
struct wiphy *wiphy;
struct net_device *ndev;
s32 (*run)(struct brcmf_cfg80211_info *cfg,
struct net_device *ndev,
struct brcmf_if *ifp;
s32 (*run)(struct brcmf_cfg80211_info *cfg, struct brcmf_if *ifp,
struct cfg80211_scan_request *request, u16 action);
};
@ -493,8 +492,8 @@ bool brcmf_cfg80211_vif_event_armed(struct brcmf_cfg80211_info *cfg);
int brcmf_cfg80211_wait_vif_event_timeout(struct brcmf_cfg80211_info *cfg,
u8 action, ulong timeout);
s32 brcmf_notify_escan_complete(struct brcmf_cfg80211_info *cfg,
struct net_device *ndev,
bool aborted, bool fw_abort);
struct brcmf_if *ifp, bool aborted,
bool fw_abort);
void brcmf_set_mpc(struct brcmf_if *ndev, int mpc);
void brcmf_abort_scanning(struct brcmf_cfg80211_info *cfg);