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path: root/drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c
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Diffstat (limited to 'drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c')
-rw-r--r--drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c355
1 files changed, 238 insertions, 117 deletions
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c
index 456a1bf008b3..e1752a513c73 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c
@@ -1,17 +1,6 @@
+// SPDX-License-Identifier: ISC
/*
* Copyright (c) 2012 Broadcom Corporation
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
- * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
- * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
- * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <linux/slab.h>
#include <linux/netdevice.h>
@@ -28,6 +17,7 @@
#include "fwil_types.h"
#include "p2p.h"
#include "cfg80211.h"
+#include "feature.h"
/* parameters used for p2p escan */
#define P2PAPI_SCAN_NPROBES 1
@@ -70,12 +60,13 @@
#define P2P_AF_MIN_DWELL_TIME 100
#define P2P_AF_MED_DWELL_TIME 400
#define P2P_AF_LONG_DWELL_TIME 1000
-#define P2P_AF_TX_MAX_RETRY 1
+#define P2P_AF_TX_MAX_RETRY 5
#define P2P_AF_MAX_WAIT_TIME msecs_to_jiffies(2000)
#define P2P_INVALID_CHANNEL -1
#define P2P_CHANNEL_SYNC_RETRY 5
#define P2P_AF_FRM_SCAN_MAX_WAIT msecs_to_jiffies(450)
#define P2P_DEFAULT_SLEEP_TIME_VSDB 200
+#define P2P_AF_RETRY_DELAY_TIME 40
/* WiFi P2P Public Action Frame OUI Subtypes */
#define P2P_PAF_GON_REQ 0 /* Group Owner Negotiation Req */
@@ -99,10 +90,13 @@
#define P2PSD_ACTION_CATEGORY 0x04 /* Public action frame */
#define P2PSD_ACTION_ID_GAS_IREQ 0x0a /* GAS Initial Request AF */
#define P2PSD_ACTION_ID_GAS_IRESP 0x0b /* GAS Initial Response AF */
-#define P2PSD_ACTION_ID_GAS_CREQ 0x0c /* GAS Comback Request AF */
-#define P2PSD_ACTION_ID_GAS_CRESP 0x0d /* GAS Comback Response AF */
+#define P2PSD_ACTION_ID_GAS_CREQ 0x0c /* GAS Comeback Request AF */
+#define P2PSD_ACTION_ID_GAS_CRESP 0x0d /* GAS Comeback Response AF */
#define BRCMF_P2P_DISABLE_TIMEOUT msecs_to_jiffies(500)
+
+/* Mask for retry counter of custom dwell time */
+#define CUSTOM_RETRY_MASK 0xff000000
/**
* struct brcmf_p2p_disc_st_le - set discovery state in firmware.
*
@@ -151,11 +145,11 @@ struct brcmf_p2p_scan_le {
*
* @category: P2P_PUB_AF_CATEGORY
* @action: P2P_PUB_AF_ACTION
- * @oui[3]: P2P_OUI
+ * @oui: P2P_OUI
* @oui_type: OUI type - P2P_VER
* @subtype: OUI subtype - P2P_TYPE_*
* @dialog_token: nonzero, identifies req/rsp transaction
- * @elts[1]: Variable length information elements.
+ * @elts: Variable length information elements.
*/
struct brcmf_p2p_pub_act_frame {
u8 category;
@@ -164,18 +158,18 @@ struct brcmf_p2p_pub_act_frame {
u8 oui_type;
u8 subtype;
u8 dialog_token;
- u8 elts[1];
+ u8 elts[];
};
/**
* struct brcmf_p2p_action_frame - WiFi P2P Action Frame
*
* @category: P2P_AF_CATEGORY
- * @OUI[3]: OUI - P2P_OUI
+ * @oui: OUI - P2P_OUI
* @type: OUI Type - P2P_VER
* @subtype: OUI Subtype - P2P_AF_*
* @dialog_token: nonzero, identifies req/resp tranaction
- * @elts[1]: Variable length information elements.
+ * @elts: Variable length information elements.
*/
struct brcmf_p2p_action_frame {
u8 category;
@@ -183,7 +177,7 @@ struct brcmf_p2p_action_frame {
u8 type;
u8 subtype;
u8 dialog_token;
- u8 elts[1];
+ u8 elts[];
};
/**
@@ -192,13 +186,13 @@ struct brcmf_p2p_action_frame {
* @category: 0x04 Public Action Frame
* @action: 0x6c Advertisement Protocol
* @dialog_token: nonzero, identifies req/rsp transaction
- * @query_data[1]: Query Data. SD gas ireq SD gas iresp
+ * @query_data: Query Data. SD gas ireq SD gas iresp
*/
struct brcmf_p2psd_gas_pub_act_frame {
u8 category;
u8 action;
u8 dialog_token;
- u8 query_data[1];
+ u8 query_data[];
};
/**
@@ -207,7 +201,7 @@ struct brcmf_p2psd_gas_pub_act_frame {
* @mpc_onoff: To make sure to send successfully action frame, we have to
* turn off mpc 0: off, 1: on, (-1): do nothing
* @search_channel: 1: search peer's channel to send af
- * extra_listen: keep the dwell time to get af response frame.
+ * @extra_listen: keep the dwell time to get af response frame.
*/
struct brcmf_config_af_params {
s32 mpc_onoff;
@@ -231,7 +225,7 @@ static bool brcmf_p2p_is_pub_action(void *frame, u32 frame_len)
return false;
pact_frm = (struct brcmf_p2p_pub_act_frame *)frame;
- if (frame_len < sizeof(struct brcmf_p2p_pub_act_frame) - 1)
+ if (frame_len < sizeof(*pact_frm))
return false;
if (pact_frm->category == P2P_PUB_AF_CATEGORY &&
@@ -259,7 +253,7 @@ static bool brcmf_p2p_is_p2p_action(void *frame, u32 frame_len)
return false;
act_frm = (struct brcmf_p2p_action_frame *)frame;
- if (frame_len < sizeof(struct brcmf_p2p_action_frame) - 1)
+ if (frame_len < sizeof(*act_frm))
return false;
if (act_frm->category == P2P_AF_CATEGORY &&
@@ -286,7 +280,7 @@ static bool brcmf_p2p_is_gas_action(void *frame, u32 frame_len)
return false;
sd_act_frm = (struct brcmf_p2psd_gas_pub_act_frame *)frame;
- if (frame_len < sizeof(struct brcmf_p2psd_gas_pub_act_frame) - 1)
+ if (frame_len < sizeof(*sd_act_frm))
return false;
if (sd_act_frm->category != P2PSD_ACTION_CATEGORY)
@@ -402,11 +396,11 @@ static void brcmf_p2p_print_actframe(bool tx, void *frame, u32 frame_len)
(tx) ? "TX" : "RX");
break;
case P2PSD_ACTION_ID_GAS_CREQ:
- brcmf_dbg(TRACE, "%s P2P GAS Comback Request\n",
+ brcmf_dbg(TRACE, "%s P2P GAS Comeback Request\n",
(tx) ? "TX" : "RX");
break;
case P2PSD_ACTION_ID_GAS_CRESP:
- brcmf_dbg(TRACE, "%s P2P GAS Comback Response\n",
+ brcmf_dbg(TRACE, "%s P2P GAS Comeback Response\n",
(tx) ? "TX" : "RX");
break;
default:
@@ -434,6 +428,7 @@ static void brcmf_p2p_print_actframe(bool tx, void *frame, u32 frame_len)
*/
static int brcmf_p2p_set_firmware(struct brcmf_if *ifp, u8 *p2p_mac)
{
+ struct brcmf_pub *drvr = ifp->drvr;
s32 ret = 0;
brcmf_fil_cmd_int_set(ifp, BRCMF_C_DOWN, 1);
@@ -450,7 +445,7 @@ static int brcmf_p2p_set_firmware(struct brcmf_if *ifp, u8 *p2p_mac)
ret = brcmf_fil_iovar_data_set(ifp, "p2p_da_override", p2p_mac,
ETH_ALEN);
if (ret)
- brcmf_err("failed to update device address ret %d\n", ret);
+ bphy_err(drvr, "failed to update device address ret %d\n", ret);
return ret;
}
@@ -467,10 +462,21 @@ static int brcmf_p2p_set_firmware(struct brcmf_if *ifp, u8 *p2p_mac)
*/
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;
bool random_addr = false;
+ bool local_admin = false;
- if (!dev_addr || is_zero_ether_addr(dev_addr))
- random_addr = true;
+ if (!dev_addr || is_zero_ether_addr(dev_addr)) {
+ /* If the primary interface address is already locally
+ * administered, create a new random address.
+ */
+ if (pri_ifp->mac_addr[0] & 0x02) {
+ random_addr = true;
+ } else {
+ dev_addr = pri_ifp->mac_addr;
+ local_admin = true;
+ }
+ }
/* Generate the P2P Device Address obtaining a random ethernet
* address with the locally administered bit set.
@@ -480,13 +486,20 @@ static void brcmf_p2p_generate_bss_mac(struct brcmf_p2p_info *p2p, u8 *dev_addr)
else
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;
+ memcpy(p2p->conn_int_addr, p2p->dev_addr, ETH_ALEN);
+ p2p->conn_int_addr[0] |= 0x02;
+ p2p->conn_int_addr[4] ^= 0x80;
+
+ memcpy(p2p->conn2_int_addr, p2p->dev_addr, ETH_ALEN);
+ p2p->conn2_int_addr[0] |= 0x02;
+ p2p->conn2_int_addr[4] ^= 0x90;
}
/**
@@ -570,13 +583,14 @@ static s32 brcmf_p2p_deinit_discovery(struct brcmf_p2p_info *p2p)
*/
static int brcmf_p2p_enable_discovery(struct brcmf_p2p_info *p2p)
{
+ struct brcmf_pub *drvr = p2p->cfg->pub;
struct brcmf_cfg80211_vif *vif;
s32 ret = 0;
brcmf_dbg(TRACE, "enter\n");
vif = p2p->bss_idx[P2PAPI_BSSCFG_DEVICE].vif;
if (!vif) {
- brcmf_err("P2P config device not available\n");
+ bphy_err(drvr, "P2P config device not available\n");
ret = -EPERM;
goto exit;
}
@@ -590,13 +604,13 @@ static int brcmf_p2p_enable_discovery(struct brcmf_p2p_info *p2p)
vif = p2p->bss_idx[P2PAPI_BSSCFG_PRIMARY].vif;
ret = brcmf_fil_iovar_int_set(vif->ifp, "p2p_disc", 1);
if (ret < 0) {
- brcmf_err("set p2p_disc error\n");
+ bphy_err(drvr, "set p2p_disc error\n");
goto exit;
}
vif = p2p->bss_idx[P2PAPI_BSSCFG_DEVICE].vif;
ret = brcmf_p2p_set_discover_state(vif->ifp, WL_P2P_DISC_ST_SCAN, 0, 0);
if (ret < 0) {
- brcmf_err("unable to set WL_P2P_DISC_ST_SCAN\n");
+ bphy_err(drvr, "unable to set WL_P2P_DISC_ST_SCAN\n");
goto exit;
}
@@ -608,7 +622,7 @@ static int brcmf_p2p_enable_discovery(struct brcmf_p2p_info *p2p)
*/
ret = brcmf_fil_bsscfg_int_set(vif->ifp, "wsec", AES_ENABLED);
if (ret < 0) {
- brcmf_err("wsec error %d\n", ret);
+ bphy_err(drvr, "wsec error %d\n", ret);
goto exit;
}
@@ -630,6 +644,7 @@ static s32 brcmf_p2p_escan(struct brcmf_p2p_info *p2p, u32 num_chans,
u16 chanspecs[], s32 search_state,
enum p2p_bss_type bss_type)
{
+ struct brcmf_pub *drvr = p2p->cfg->pub;
s32 ret = 0;
s32 memsize = offsetof(struct brcmf_p2p_scan_le,
eparams.params_le.channel_list);
@@ -648,7 +663,7 @@ static s32 brcmf_p2p_escan(struct brcmf_p2p_info *p2p, u32 num_chans,
vif = p2p->bss_idx[bss_type].vif;
if (vif == NULL) {
- brcmf_err("no vif for bss type %d\n", bss_type);
+ bphy_err(drvr, "no vif for bss type %d\n", bss_type);
ret = -EINVAL;
goto exit;
}
@@ -676,7 +691,7 @@ static s32 brcmf_p2p_escan(struct brcmf_p2p_info *p2p, u32 num_chans,
BRCMF_P2P_WILDCARD_SSID_LEN);
break;
default:
- brcmf_err(" invalid search state %d\n", search_state);
+ bphy_err(drvr, " invalid search state %d\n", search_state);
ret = -EINVAL;
goto exit;
}
@@ -748,9 +763,8 @@ exit:
* brcmf_p2p_run_escan() - escan callback for peer-to-peer.
*
* @cfg: driver private data for cfg80211 interface.
- * @ndev: net device for which scan is requested.
+ * @ifp: interface control.
* @request: scan request from cfg80211.
- * @action: scan action.
*
* Determines the P2P discovery state based to scan request parameters and
* validates the channels in the request.
@@ -760,6 +774,7 @@ static s32 brcmf_p2p_run_escan(struct brcmf_cfg80211_info *cfg,
struct cfg80211_scan_request *request)
{
struct brcmf_p2p_info *p2p = &cfg->p2p;
+ struct brcmf_pub *drvr = cfg->pub;
s32 err = 0;
s32 search_state = WL_P2P_DISC_ST_SCAN;
struct brcmf_cfg80211_vif *vif;
@@ -822,7 +837,7 @@ static s32 brcmf_p2p_run_escan(struct brcmf_cfg80211_info *cfg,
}
exit:
if (err)
- brcmf_err("error (%d)\n", err);
+ bphy_err(drvr, "error (%d)\n", err);
return err;
}
@@ -897,8 +912,6 @@ int brcmf_p2p_scan_prep(struct wiphy *wiphy,
if (err)
return err;
- vif = p2p->bss_idx[P2PAPI_BSSCFG_DEVICE].vif;
-
/* override .run_escan() callback. */
cfg->escan_info.run = brcmf_p2p_run_escan;
}
@@ -917,19 +930,20 @@ int brcmf_p2p_scan_prep(struct wiphy *wiphy,
static s32
brcmf_p2p_discover_listen(struct brcmf_p2p_info *p2p, u16 channel, u32 duration)
{
+ struct brcmf_pub *drvr = p2p->cfg->pub;
struct brcmf_cfg80211_vif *vif;
struct brcmu_chan ch;
s32 err = 0;
vif = p2p->bss_idx[P2PAPI_BSSCFG_DEVICE].vif;
if (!vif) {
- brcmf_err("Discovery is not set, so we have nothing to do\n");
+ bphy_err(drvr, "Discovery is not set, so we have nothing to do\n");
err = -EPERM;
goto exit;
}
if (test_bit(BRCMF_P2P_STATUS_DISCOVER_LISTEN, &p2p->status)) {
- brcmf_err("Previous LISTEN is not completed yet\n");
+ bphy_err(drvr, "Previous LISTEN is not completed yet\n");
/* WAR: prevent cookie mismatch in wpa_supplicant return OK */
goto exit;
}
@@ -952,9 +966,10 @@ exit:
* brcmf_p2p_remain_on_channel() - put device on channel and stay there.
*
* @wiphy: wiphy device.
+ * @wdev: wireless device.
* @channel: channel to stay on.
* @duration: time in ms to remain on channel.
- *
+ * @cookie: cookie.
*/
int brcmf_p2p_remain_on_channel(struct wiphy *wiphy, struct wireless_dev *wdev,
struct ieee80211_channel *channel,
@@ -1039,13 +1054,14 @@ void brcmf_p2p_cancel_remain_on_channel(struct brcmf_if *ifp)
* brcmf_p2p_act_frm_search() - search function for action frame.
*
* @p2p: p2p device.
- * channel: channel on which action frame is to be trasmitted.
+ * @channel: channel on which action frame is to be trasmitted.
*
* search function to reach at common channel to send action frame. When
* channel is 0 then all social channels will be used to send af
*/
static s32 brcmf_p2p_act_frm_search(struct brcmf_p2p_info *p2p, u16 channel)
{
+ struct brcmf_pub *drvr = p2p->cfg->pub;
s32 err;
u32 channel_cnt;
u16 *default_chan_list;
@@ -1061,7 +1077,7 @@ static s32 brcmf_p2p_act_frm_search(struct brcmf_p2p_info *p2p, u16 channel)
default_chan_list = kcalloc(channel_cnt, sizeof(*default_chan_list),
GFP_KERNEL);
if (default_chan_list == NULL) {
- brcmf_err("channel list allocation failed\n");
+ bphy_err(drvr, "channel list allocation failed\n");
err = -ENOMEM;
goto exit;
}
@@ -1103,6 +1119,7 @@ static void brcmf_p2p_afx_handler(struct work_struct *work)
struct brcmf_p2p_info *p2p = container_of(afx_hdl,
struct brcmf_p2p_info,
afx_hdl);
+ struct brcmf_pub *drvr = p2p->cfg->pub;
s32 err;
if (!afx_hdl->is_active)
@@ -1111,12 +1128,12 @@ 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 + prandom_u32() % 3));
+ 100 * get_random_u32_inclusive(1, 3));
else
err = brcmf_p2p_act_frm_search(p2p, afx_hdl->peer_listen_chan);
if (err) {
- brcmf_err("ERROR occurred! value is (%d)\n", err);
+ bphy_err(drvr, "ERROR occurred! value is (%d)\n", err);
if (test_bit(BRCMF_P2P_STATUS_FINDING_COMMON_CHANNEL,
&p2p->status))
complete(&afx_hdl->act_frm_scan);
@@ -1249,6 +1266,30 @@ bool brcmf_p2p_scan_finding_common_channel(struct brcmf_cfg80211_info *cfg,
}
/**
+ * brcmf_p2p_abort_action_frame() - abort action frame.
+ *
+ * @cfg: common configuration struct.
+ *
+ */
+static s32 brcmf_p2p_abort_action_frame(struct brcmf_cfg80211_info *cfg)
+{
+ struct brcmf_p2p_info *p2p = &cfg->p2p;
+ struct brcmf_cfg80211_vif *vif;
+ s32 err;
+ s32 int_val = 1;
+
+ brcmf_dbg(TRACE, "Enter\n");
+
+ vif = p2p->bss_idx[P2PAPI_BSSCFG_DEVICE].vif;
+ err = brcmf_fil_bsscfg_data_set(vif->ifp, "actframe_abort", &int_val,
+ sizeof(s32));
+ if (err)
+ brcmf_err(" aborting action frame has failed (%d)\n", err);
+
+ return err;
+}
+
+/**
* brcmf_p2p_stop_wait_next_action_frame() - finish scan if af tx complete.
*
* @cfg: common configuration struct.
@@ -1259,6 +1300,7 @@ brcmf_p2p_stop_wait_next_action_frame(struct brcmf_cfg80211_info *cfg)
{
struct brcmf_p2p_info *p2p = &cfg->p2p;
struct brcmf_if *ifp = p2p->bss_idx[P2PAPI_BSSCFG_PRIMARY].vif->ifp;
+ s32 err;
if (test_bit(BRCMF_P2P_STATUS_SENDING_ACT_FRAME, &p2p->status) &&
(test_bit(BRCMF_P2P_STATUS_ACTION_TX_COMPLETED, &p2p->status) ||
@@ -1267,8 +1309,13 @@ brcmf_p2p_stop_wait_next_action_frame(struct brcmf_cfg80211_info *cfg)
/* if channel is not zero, "actfame" uses off channel scan.
* So abort scan for off channel completion.
*/
- if (p2p->af_sent_channel)
- brcmf_notify_escan_complete(cfg, ifp, true, true);
+ if (p2p->af_sent_channel) {
+ /* abort actframe using actframe_abort or abort scan */
+ err = brcmf_p2p_abort_action_frame(cfg);
+ if (err)
+ 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");
@@ -1282,6 +1329,7 @@ brcmf_p2p_stop_wait_next_action_frame(struct brcmf_cfg80211_info *cfg)
* brcmf_p2p_gon_req_collision() - Check if go negotiaton collission
*
* @p2p: p2p device info struct.
+ * @mac: MAC address.
*
* return true if recevied action frame is to be dropped.
*/
@@ -1338,7 +1386,8 @@ int brcmf_p2p_notify_action_frame_rx(struct brcmf_if *ifp,
const struct brcmf_event_msg *e,
void *data)
{
- struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
+ struct brcmf_pub *drvr = ifp->drvr;
+ struct brcmf_cfg80211_info *cfg = drvr->config;
struct brcmf_p2p_info *p2p = &cfg->p2p;
struct afx_hdl *afx_hdl = &p2p->afx_hdl;
struct wireless_dev *wdev;
@@ -1354,7 +1403,7 @@ int brcmf_p2p_notify_action_frame_rx(struct brcmf_if *ifp,
u8 action;
if (e->datalen < sizeof(*rxframe)) {
- brcmf_dbg(SCAN, "Event data to small. Ignore\n");
+ brcmf_dbg(SCAN, "Event data too small. Ignore\n");
return 0;
}
@@ -1409,7 +1458,7 @@ int brcmf_p2p_notify_action_frame_rx(struct brcmf_if *ifp,
mgmt_frame = kzalloc(offsetof(struct ieee80211_mgmt, u) +
mgmt_frame_len, GFP_KERNEL);
if (!mgmt_frame) {
- brcmf_err("No memory available for action frame\n");
+ bphy_err(drvr, "No memory available for action frame\n");
return -ENOMEM;
}
memcpy(mgmt_frame->da, ifp->mac_addr, ETH_ALEN);
@@ -1417,8 +1466,8 @@ int brcmf_p2p_notify_action_frame_rx(struct brcmf_if *ifp,
ETH_ALEN);
memcpy(mgmt_frame->sa, e->addr, ETH_ALEN);
mgmt_frame->frame_control = cpu_to_le16(IEEE80211_STYPE_ACTION);
- memcpy(&mgmt_frame->u, frame, mgmt_frame_len);
- mgmt_frame_len += offsetof(struct ieee80211_mgmt, u);
+ memcpy(mgmt_frame->u.body, frame, mgmt_frame_len);
+ mgmt_frame_len += offsetof(struct ieee80211_mgmt, u.body);
freq = ieee80211_channel_to_frequency(ch.control_ch_num,
ch.band == BRCMU_CHAN_BAND_2G ?
@@ -1480,6 +1529,7 @@ int brcmf_p2p_notify_action_tx_complete(struct brcmf_if *ifp,
/**
* brcmf_p2p_tx_action_frame() - send action frame over fil.
*
+ * @ifp: interface to transmit on.
* @p2p: p2p info struct for vif.
* @af_params: action frame data/info.
*
@@ -1489,12 +1539,12 @@ int brcmf_p2p_notify_action_tx_complete(struct brcmf_if *ifp,
* The WLC_E_ACTION_FRAME_COMPLETE event will be received when the action
* frame is transmitted.
*/
-static s32 brcmf_p2p_tx_action_frame(struct brcmf_p2p_info *p2p,
+static s32 brcmf_p2p_tx_action_frame(struct brcmf_if *ifp,
+ struct brcmf_p2p_info *p2p,
struct brcmf_fil_af_params_le *af_params)
{
- struct brcmf_cfg80211_vif *vif;
+ struct brcmf_pub *drvr = p2p->cfg->pub;
s32 err = 0;
- s32 timeout = 0;
brcmf_dbg(TRACE, "Enter\n");
@@ -1502,11 +1552,10 @@ static s32 brcmf_p2p_tx_action_frame(struct brcmf_p2p_info *p2p,
clear_bit(BRCMF_P2P_STATUS_ACTION_TX_COMPLETED, &p2p->status);
clear_bit(BRCMF_P2P_STATUS_ACTION_TX_NOACK, &p2p->status);
- vif = p2p->bss_idx[P2PAPI_BSSCFG_DEVICE].vif;
- err = brcmf_fil_bsscfg_data_set(vif->ifp, "actframe", af_params,
+ err = brcmf_fil_bsscfg_data_set(ifp, "actframe", af_params,
sizeof(*af_params));
if (err) {
- brcmf_err(" sending action frame has failed\n");
+ bphy_err(drvr, " sending action frame has failed\n");
goto exit;
}
@@ -1524,8 +1573,7 @@ static s32 brcmf_p2p_tx_action_frame(struct brcmf_p2p_info *p2p,
(p2p->wait_for_offchan_complete) ?
"off-channel" : "on-channel");
- timeout = wait_for_completion_timeout(&p2p->send_af_done,
- P2P_AF_MAX_WAIT_TIME);
+ wait_for_completion_timeout(&p2p->send_af_done, P2P_AF_MAX_WAIT_TIME);
if (test_bit(BRCMF_P2P_STATUS_ACTION_TX_COMPLETED, &p2p->status)) {
brcmf_dbg(TRACE, "TX action frame operation is success\n");
@@ -1556,6 +1604,7 @@ static s32 brcmf_p2p_pub_af_tx(struct brcmf_cfg80211_info *cfg,
struct brcmf_config_af_params *config_af_params)
{
struct brcmf_p2p_info *p2p = &cfg->p2p;
+ struct brcmf_pub *drvr = cfg->pub;
struct brcmf_fil_action_frame_le *action_frame;
struct brcmf_p2p_pub_act_frame *act_frm;
s32 err = 0;
@@ -1634,29 +1683,39 @@ static s32 brcmf_p2p_pub_af_tx(struct brcmf_cfg80211_info *cfg,
config_af_params->extra_listen = false;
break;
default:
- brcmf_err("Unknown p2p pub act frame subtype: %d\n",
- act_frm->subtype);
+ bphy_err(drvr, "Unknown p2p pub act frame subtype: %d\n",
+ act_frm->subtype);
err = -EINVAL;
}
return err;
}
+static bool brcmf_p2p_check_dwell_overflow(u32 requested_dwell,
+ unsigned long dwell_jiffies)
+{
+ if ((requested_dwell & CUSTOM_RETRY_MASK) &&
+ (jiffies_to_msecs(jiffies - dwell_jiffies) >
+ (requested_dwell & ~CUSTOM_RETRY_MASK))) {
+ brcmf_err("Action frame TX retry time over dwell time!\n");
+ return true;
+ }
+ return false;
+}
/**
* brcmf_p2p_send_action_frame() - send action frame .
*
- * @cfg: driver private data for cfg80211 interface.
- * @ndev: net device to transmit on.
+ * @ifp: interface to transmit on.
* @af_params: configuration data for action frame.
*/
-bool brcmf_p2p_send_action_frame(struct brcmf_cfg80211_info *cfg,
- struct net_device *ndev,
+bool brcmf_p2p_send_action_frame(struct brcmf_if *ifp,
struct brcmf_fil_af_params_le *af_params)
{
+ struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
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;
+ struct brcmf_pub *drvr = cfg->pub;
u16 action_frame_len;
bool ack = false;
u8 category;
@@ -1664,7 +1723,10 @@ bool brcmf_p2p_send_action_frame(struct brcmf_cfg80211_info *cfg,
s32 tx_retry;
s32 extra_listen_time;
uint delta_ms;
+ unsigned long dwell_jiffies = 0;
+ bool dwell_overflow = false;
+ u32 requested_dwell = le32_to_cpu(af_params->dwell_time);
action_frame = &af_params->action_frame;
action_frame_len = le16_to_cpu(action_frame->len);
@@ -1692,7 +1754,7 @@ bool brcmf_p2p_send_action_frame(struct brcmf_cfg80211_info *cfg,
if (brcmf_p2p_pub_af_tx(cfg, af_params, &config_af_params)) {
/* Just send unknown subtype frame with */
/* default parameters. */
- brcmf_err("P2P Public action frame, unknown subtype.\n");
+ bphy_err(drvr, "P2P Public action frame, unknown subtype.\n");
}
} else if (brcmf_p2p_is_gas_action(action_frame->data,
action_frame_len)) {
@@ -1714,7 +1776,7 @@ bool brcmf_p2p_send_action_frame(struct brcmf_cfg80211_info *cfg,
af_params->dwell_time =
cpu_to_le32(P2P_AF_MIN_DWELL_TIME);
} else {
- brcmf_err("Unknown action type: %d\n", action);
+ bphy_err(drvr, "Unknown action type: %d\n", action);
goto exit;
}
} else if (brcmf_p2p_is_p2p_action(action_frame->data,
@@ -1722,8 +1784,8 @@ bool brcmf_p2p_send_action_frame(struct brcmf_cfg80211_info *cfg,
/* do not configure anything. it will be */
/* sent with a default configuration */
} else {
- brcmf_err("Unknown Frame: category 0x%x, action 0x%x\n",
- category, action);
+ bphy_err(drvr, "Unknown Frame: category 0x%x, action 0x%x\n",
+ category, action);
return false;
}
@@ -1761,7 +1823,7 @@ bool brcmf_p2p_send_action_frame(struct brcmf_cfg80211_info *cfg,
if (brcmf_p2p_af_searching_channel(p2p) ==
P2P_INVALID_CHANNEL) {
- brcmf_err("Couldn't find peer's channel.\n");
+ bphy_err(drvr, "Couldn't find peer's channel.\n");
goto exit;
}
@@ -1775,15 +1837,25 @@ bool brcmf_p2p_send_action_frame(struct brcmf_cfg80211_info *cfg,
/* update channel */
af_params->channel = cpu_to_le32(afx_hdl->peer_chan);
}
+ dwell_jiffies = jiffies;
+ dwell_overflow = brcmf_p2p_check_dwell_overflow(requested_dwell,
+ dwell_jiffies);
tx_retry = 0;
while (!p2p->block_gon_req_tx &&
- (ack == false) && (tx_retry < P2P_AF_TX_MAX_RETRY)) {
- ack = !brcmf_p2p_tx_action_frame(p2p, af_params);
+ (!ack) && (tx_retry < P2P_AF_TX_MAX_RETRY) &&
+ !dwell_overflow) {
+ if (af_params->channel)
+ msleep(P2P_AF_RETRY_DELAY_TIME);
+
+ ack = !brcmf_p2p_tx_action_frame(ifp, p2p, af_params);
tx_retry++;
+ dwell_overflow = brcmf_p2p_check_dwell_overflow(requested_dwell,
+ dwell_jiffies);
}
- if (ack == false) {
- brcmf_err("Failed to send Action Frame(retry %d)\n", tx_retry);
+ if (!ack) {
+ bphy_err(drvr, "Failed to send Action Frame(retry %d)\n",
+ tx_retry);
clear_bit(BRCMF_P2P_STATUS_GO_NEG_PHASE, &p2p->status);
}
@@ -1868,7 +1940,7 @@ s32 brcmf_p2p_notify_rx_mgmt_p2p_probereq(struct brcmf_if *ifp,
e->reason);
if (e->datalen < sizeof(*rxframe)) {
- brcmf_dbg(SCAN, "Event data to small. Ignore\n");
+ brcmf_dbg(SCAN, "Event data too small. Ignore\n");
return 0;
}
@@ -1956,15 +2028,16 @@ static void brcmf_p2p_get_current_chanspec(struct brcmf_p2p_info *p2p,
}
/**
- * Change a P2P Role.
- * Parameters:
- * @mac: MAC address of the BSS to change a role
+ * brcmf_p2p_ifchange - Change a P2P Role.
+ * @cfg: driver private data for cfg80211 interface.
+ * @if_type: interface type.
* Returns 0 if success.
*/
int brcmf_p2p_ifchange(struct brcmf_cfg80211_info *cfg,
enum brcmf_fil_p2p_if_types if_type)
{
struct brcmf_p2p_info *p2p = &cfg->p2p;
+ struct brcmf_pub *drvr = cfg->pub;
struct brcmf_cfg80211_vif *vif;
struct brcmf_fil_p2p_if_le if_request;
s32 err;
@@ -1974,13 +2047,13 @@ int brcmf_p2p_ifchange(struct brcmf_cfg80211_info *cfg,
vif = p2p->bss_idx[P2PAPI_BSSCFG_PRIMARY].vif;
if (!vif) {
- brcmf_err("vif for P2PAPI_BSSCFG_PRIMARY does not exist\n");
+ bphy_err(drvr, "vif for P2PAPI_BSSCFG_PRIMARY does not exist\n");
return -EPERM;
}
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");
+ bphy_err(drvr, "vif for P2PAPI_BSSCFG_CONNECTION does not exist\n");
return -EPERM;
}
brcmf_set_mpc(vif->ifp, 0);
@@ -1992,13 +2065,13 @@ int brcmf_p2p_ifchange(struct brcmf_cfg80211_info *cfg,
if_request.type = cpu_to_le16((u16)if_type);
if_request.chspec = cpu_to_le16(chanspec);
- memcpy(if_request.addr, p2p->int_addr, sizeof(if_request.addr));
+ memcpy(if_request.addr, p2p->conn_int_addr, sizeof(if_request.addr));
brcmf_cfg80211_arm_vif_event(cfg, vif);
err = brcmf_fil_iovar_data_set(vif->ifp, "p2p_ifupd", &if_request,
sizeof(if_request));
if (err) {
- brcmf_err("p2p_ifupd FAILED, err=%d\n", err);
+ bphy_err(drvr, "p2p_ifupd FAILED, err=%d\n", err);
brcmf_cfg80211_arm_vif_event(cfg, NULL);
return err;
}
@@ -2006,7 +2079,7 @@ int brcmf_p2p_ifchange(struct brcmf_cfg80211_info *cfg,
BRCMF_VIF_EVENT_TIMEOUT);
brcmf_cfg80211_arm_vif_event(cfg, NULL);
if (!err) {
- brcmf_err("No BRCMF_E_IF_CHANGE event received\n");
+ bphy_err(drvr, "No BRCMF_E_IF_CHANGE event received\n");
return -EIO;
}
@@ -2043,7 +2116,7 @@ static int brcmf_p2p_disable_p2p_if(struct brcmf_cfg80211_vif *vif)
struct brcmf_cfg80211_info *cfg = wdev_to_cfg(&vif->wdev);
struct net_device *pri_ndev = cfg_to_ndev(cfg);
struct brcmf_if *ifp = netdev_priv(pri_ndev);
- u8 *addr = vif->wdev.netdev->dev_addr;
+ const u8 *addr = vif->wdev.netdev->dev_addr;
return brcmf_fil_iovar_data_set(ifp, "p2p_ifdis", addr, ETH_ALEN);
}
@@ -2053,7 +2126,7 @@ static int brcmf_p2p_release_p2p_if(struct brcmf_cfg80211_vif *vif)
struct brcmf_cfg80211_info *cfg = wdev_to_cfg(&vif->wdev);
struct net_device *pri_ndev = cfg_to_ndev(cfg);
struct brcmf_if *ifp = netdev_priv(pri_ndev);
- u8 *addr = vif->wdev.netdev->dev_addr;
+ const u8 *addr = vif->wdev.netdev->dev_addr;
return brcmf_fil_iovar_data_set(ifp, "p2p_ifdel", addr, ETH_ALEN);
}
@@ -2069,6 +2142,7 @@ static struct wireless_dev *brcmf_p2p_create_p2pdev(struct brcmf_p2p_info *p2p,
struct wiphy *wiphy,
u8 *addr)
{
+ struct brcmf_pub *drvr = p2p->cfg->pub;
struct brcmf_cfg80211_vif *p2p_vif;
struct brcmf_if *p2p_ifp;
struct brcmf_if *pri_ifp;
@@ -2080,7 +2154,7 @@ static struct wireless_dev *brcmf_p2p_create_p2pdev(struct brcmf_p2p_info *p2p,
p2p_vif = brcmf_alloc_vif(p2p->cfg, NL80211_IFTYPE_P2P_DEVICE);
if (IS_ERR(p2p_vif)) {
- brcmf_err("could not create discovery vif\n");
+ bphy_err(drvr, "could not create discovery vif\n");
return (struct wireless_dev *)p2p_vif;
}
@@ -2088,8 +2162,9 @@ static struct wireless_dev *brcmf_p2p_create_p2pdev(struct brcmf_p2p_info *p2p,
/* firmware requires unique mac address for p2pdev interface */
if (addr && ether_addr_equal(addr, pri_ifp->mac_addr)) {
- brcmf_err("discovery vif must be different from primary interface\n");
- return ERR_PTR(-EINVAL);
+ bphy_err(drvr, "discovery vif must be different from primary interface\n");
+ err = -EINVAL;
+ goto fail;
}
brcmf_p2p_generate_bss_mac(p2p, addr);
@@ -2101,7 +2176,7 @@ static struct wireless_dev *brcmf_p2p_create_p2pdev(struct brcmf_p2p_info *p2p,
/* 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");
+ bphy_err(drvr, "set p2p_disc error\n");
brcmf_fweh_p2pdev_setup(pri_ifp, false);
brcmf_cfg80211_arm_vif_event(p2p->cfg, NULL);
goto fail;
@@ -2113,7 +2188,7 @@ static struct wireless_dev *brcmf_p2p_create_p2pdev(struct brcmf_p2p_info *p2p,
brcmf_cfg80211_arm_vif_event(p2p->cfg, NULL);
brcmf_fweh_p2pdev_setup(pri_ifp, false);
if (!err) {
- brcmf_err("timeout occurred\n");
+ bphy_err(drvr, "timeout occurred\n");
err = -EIO;
goto fail;
}
@@ -2127,13 +2202,12 @@ static struct wireless_dev *brcmf_p2p_create_p2pdev(struct brcmf_p2p_info *p2p,
/* verify bsscfg index for P2P discovery */
err = brcmf_fil_iovar_int_get(pri_ifp, "p2p_dev", &bsscfgidx);
if (err < 0) {
- brcmf_err("retrieving discover bsscfg index failed\n");
+ bphy_err(drvr, "retrieving discover bsscfg index failed\n");
goto fail;
}
WARN_ON(p2p_ifp->bsscfgidx != bsscfgidx);
- 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);
@@ -2145,6 +2219,27 @@ fail:
return ERR_PTR(err);
}
+static int brcmf_p2p_get_conn_idx(struct brcmf_cfg80211_info *cfg)
+{
+ int i;
+ struct brcmf_if *ifp = netdev_priv(cfg_to_ndev(cfg));
+
+ if (!ifp)
+ return -ENODEV;
+
+ for (i = P2PAPI_BSSCFG_CONNECTION; i < P2PAPI_BSSCFG_MAX; i++) {
+ if (!cfg->p2p.bss_idx[i].vif) {
+ if (i == P2PAPI_BSSCFG_CONNECTION2 &&
+ !(brcmf_feat_is_enabled(ifp, BRCMF_FEAT_RSDB))) {
+ brcmf_err("Multi p2p not supported");
+ return -EIO;
+ }
+ return i;
+ }
+ }
+ return -EIO;
+}
+
/**
* brcmf_p2p_add_vif() - create a new P2P virtual interface.
*
@@ -2161,9 +2256,12 @@ struct wireless_dev *brcmf_p2p_add_vif(struct wiphy *wiphy, const char *name,
{
struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
struct brcmf_if *ifp = netdev_priv(cfg_to_ndev(cfg));
+ struct brcmf_pub *drvr = cfg->pub;
struct brcmf_cfg80211_vif *vif;
enum brcmf_fil_p2p_if_types iftype;
- int err;
+ int err = 0;
+ int connidx;
+ u8 *p2p_intf_addr;
if (brcmf_cfg80211_vif_event_armed(cfg))
return ERR_PTR(-EBUSY);
@@ -2189,9 +2287,21 @@ struct wireless_dev *brcmf_p2p_add_vif(struct wiphy *wiphy, const char *name,
return (struct wireless_dev *)vif;
brcmf_cfg80211_arm_vif_event(cfg, vif);
- err = brcmf_p2p_request_p2p_if(&cfg->p2p, ifp, cfg->p2p.int_addr,
- iftype);
+ connidx = brcmf_p2p_get_conn_idx(cfg);
+
+ if (connidx == P2PAPI_BSSCFG_CONNECTION)
+ p2p_intf_addr = cfg->p2p.conn_int_addr;
+ else if (connidx == P2PAPI_BSSCFG_CONNECTION2)
+ p2p_intf_addr = cfg->p2p.conn2_int_addr;
+ else
+ err = -EINVAL;
+
+ if (!err)
+ err = brcmf_p2p_request_p2p_if(&cfg->p2p, ifp,
+ p2p_intf_addr, iftype);
+
if (err) {
+ brcmf_err("request p2p interface failed\n");
brcmf_cfg80211_arm_vif_event(cfg, NULL);
goto fail;
}
@@ -2201,7 +2311,7 @@ struct wireless_dev *brcmf_p2p_add_vif(struct wiphy *wiphy, const char *name,
BRCMF_VIF_EVENT_TIMEOUT);
brcmf_cfg80211_arm_vif_event(cfg, NULL);
if (!err) {
- brcmf_err("timeout occurred\n");
+ bphy_err(drvr, "timeout occurred\n");
err = -EIO;
goto fail;
}
@@ -2209,21 +2319,21 @@ struct wireless_dev *brcmf_p2p_add_vif(struct wiphy *wiphy, const char *name,
/* interface created in firmware */
ifp = vif->ifp;
if (!ifp) {
- brcmf_err("no if pointer provided\n");
+ bphy_err(drvr, "no if pointer provided\n");
err = -ENOENT;
goto fail;
}
- strncpy(ifp->ndev->name, name, sizeof(ifp->ndev->name) - 1);
+ strscpy(ifp->ndev->name, name, sizeof(ifp->ndev->name));
ifp->ndev->name_assign_type = name_assign_type;
err = brcmf_net_attach(ifp, true);
if (err) {
- brcmf_err("Registering netdevice failed\n");
+ bphy_err(drvr, "Registering netdevice failed\n");
free_netdev(ifp->ndev);
goto fail;
}
- cfg->p2p.bss_idx[P2PAPI_BSSCFG_CONNECTION].vif = vif;
+ cfg->p2p.bss_idx[connidx].vif = vif;
/* Disable firmware roaming for P2P interface */
brcmf_fil_iovar_int_set(ifp, "roam_off", 1);
if (iftype == BRCMF_FIL_P2P_IF_GO) {
@@ -2304,13 +2414,17 @@ int brcmf_p2p_del_vif(struct wiphy *wiphy, struct wireless_dev *wdev)
brcmf_remove_interface(vif->ifp, true);
brcmf_cfg80211_arm_vif_event(cfg, NULL);
- if (iftype != NL80211_IFTYPE_P2P_DEVICE)
- p2p->bss_idx[P2PAPI_BSSCFG_CONNECTION].vif = NULL;
+ if (iftype != NL80211_IFTYPE_P2P_DEVICE) {
+ if (vif == p2p->bss_idx[P2PAPI_BSSCFG_CONNECTION].vif)
+ p2p->bss_idx[P2PAPI_BSSCFG_CONNECTION].vif = NULL;
+ if (vif == p2p->bss_idx[P2PAPI_BSSCFG_CONNECTION2].vif)
+ p2p->bss_idx[P2PAPI_BSSCFG_CONNECTION2].vif = NULL;
+ }
return err;
}
-void brcmf_p2p_ifp_removed(struct brcmf_if *ifp, bool rtnl_locked)
+void brcmf_p2p_ifp_removed(struct brcmf_if *ifp, bool locked)
{
struct brcmf_cfg80211_info *cfg;
struct brcmf_cfg80211_vif *vif;
@@ -2319,11 +2433,15 @@ void brcmf_p2p_ifp_removed(struct brcmf_if *ifp, bool rtnl_locked)
vif = ifp->vif;
cfg = wdev_to_cfg(&vif->wdev);
cfg->p2p.bss_idx[P2PAPI_BSSCFG_DEVICE].vif = NULL;
- if (!rtnl_locked)
+ if (!locked) {
rtnl_lock();
- cfg80211_unregister_wdev(&vif->wdev);
- if (!rtnl_locked)
+ wiphy_lock(cfg->wiphy);
+ cfg80211_unregister_wdev(&vif->wdev);
+ wiphy_unlock(cfg->wiphy);
rtnl_unlock();
+ } else {
+ cfg80211_unregister_wdev(&vif->wdev);
+ }
brcmf_free_vif(vif);
}
@@ -2373,6 +2491,7 @@ void brcmf_p2p_stop_device(struct wiphy *wiphy, struct wireless_dev *wdev)
*/
s32 brcmf_p2p_attach(struct brcmf_cfg80211_info *cfg, bool p2pdev_forced)
{
+ struct brcmf_pub *drvr = cfg->pub;
struct brcmf_p2p_info *p2p;
struct brcmf_if *pri_ifp;
s32 err = 0;
@@ -2384,10 +2503,12 @@ s32 brcmf_p2p_attach(struct brcmf_cfg80211_info *cfg, bool p2pdev_forced)
pri_ifp = brcmf_get_ifp(cfg->pub, 0);
p2p->bss_idx[P2PAPI_BSSCFG_PRIMARY].vif = pri_ifp->vif;
+ init_completion(&p2p->send_af_done);
+
if (p2pdev_forced) {
err_ptr = brcmf_p2p_create_p2pdev(p2p, NULL, NULL);
if (IS_ERR(err_ptr)) {
- brcmf_err("P2P device creation failed.\n");
+ bphy_err(drvr, "P2P device creation failed.\n");
err = PTR_ERR(err_ptr);
}
} else {
generated by cgit (git 2.34.1) at 2025-12-26 06:47:49 +0000