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authorLinus Torvalds <torvalds@linux-foundation.org>2012-01-06 17:22:09 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2012-01-06 17:22:09 -0800
commit9753dfe19a85e7e45a34a56f4cb2048bb4f50e27 (patch)
treec017a1b4a70b8447c71b01d8b320e071546b5c9d /drivers/net/wireless/ath/ath6kl/main.c
parentedf7c8148ec40c0fd27c0ef3f688defcc65e3913 (diff)
parent9f42f126154786e6e76df513004800c8c633f020 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1958 commits) net: pack skb_shared_info more efficiently net_sched: red: split red_parms into parms and vars net_sched: sfq: extend limits cnic: Improve error recovery on bnx2x devices cnic: Re-init dev->stats_addr after chip reset net_sched: Bug in netem reordering bna: fix sparse warnings/errors bna: make ethtool_ops and strings const xgmac: cleanups net: make ethtool_ops const vmxnet3" make ethtool ops const xen-netback: make ops structs const virtio_net: Pass gfp flags when allocating rx buffers. ixgbe: FCoE: Add support for ndo_get_fcoe_hbainfo() call netdev: FCoE: Add new ndo_get_fcoe_hbainfo() call igb: reset PHY after recovering from PHY power down igb: add basic runtime PM support igb: Add support for byte queue limits. e1000: cleanup CE4100 MDIO registers access e1000: unmap ce4100_gbe_mdio_base_virt in e1000_remove ...
Diffstat (limited to 'drivers/net/wireless/ath/ath6kl/main.c')
-rw-r--r--drivers/net/wireless/ath/ath6kl/main.c771
1 files changed, 168 insertions, 603 deletions
diff --git a/drivers/net/wireless/ath/ath6kl/main.c b/drivers/net/wireless/ath/ath6kl/main.c
index 30b5a53db9e..eea3c747653 100644
--- a/drivers/net/wireless/ath/ath6kl/main.c
+++ b/drivers/net/wireless/ath/ath6kl/main.c
@@ -20,12 +20,13 @@
#include "target.h"
#include "debug.h"
-struct ath6kl_sta *ath6kl_find_sta(struct ath6kl *ar, u8 *node_addr)
+struct ath6kl_sta *ath6kl_find_sta(struct ath6kl_vif *vif, u8 *node_addr)
{
+ struct ath6kl *ar = vif->ar;
struct ath6kl_sta *conn = NULL;
u8 i, max_conn;
- max_conn = (ar->nw_type == AP_NETWORK) ? AP_MAX_NUM_STA : 0;
+ max_conn = (vif->nw_type == AP_NETWORK) ? AP_MAX_NUM_STA : 0;
for (i = 0; i < max_conn; i++) {
if (memcmp(node_addr, ar->sta_list[i].mac, ETH_ALEN) == 0) {
@@ -174,64 +175,6 @@ void ath6kl_free_cookie(struct ath6kl *ar, struct ath6kl_cookie *cookie)
ar->cookie_count++;
}
-/* set the window address register (using 4-byte register access ). */
-static int ath6kl_set_addrwin_reg(struct ath6kl *ar, u32 reg_addr, u32 addr)
-{
- int status;
- s32 i;
- __le32 addr_val;
-
- /*
- * Write bytes 1,2,3 of the register to set the upper address bytes,
- * the LSB is written last to initiate the access cycle
- */
-
- for (i = 1; i <= 3; i++) {
- /*
- * Fill the buffer with the address byte value we want to
- * hit 4 times. No need to worry about endianness as the
- * same byte is copied to all four bytes of addr_val at
- * any time.
- */
- memset((u8 *)&addr_val, ((u8 *)&addr)[i], 4);
-
- /*
- * Hit each byte of the register address with a 4-byte
- * write operation to the same address, this is a harmless
- * operation.
- */
- status = hif_read_write_sync(ar, reg_addr + i, (u8 *)&addr_val,
- 4, HIF_WR_SYNC_BYTE_FIX);
- if (status)
- break;
- }
-
- if (status) {
- ath6kl_err("failed to write initial bytes of 0x%x to window reg: 0x%X\n",
- addr, reg_addr);
- return status;
- }
-
- /*
- * Write the address register again, this time write the whole
- * 4-byte value. The effect here is that the LSB write causes the
- * cycle to start, the extra 3 byte write to bytes 1,2,3 has no
- * effect since we are writing the same values again
- */
- addr_val = cpu_to_le32(addr);
- status = hif_read_write_sync(ar, reg_addr,
- (u8 *)&(addr_val),
- 4, HIF_WR_SYNC_BYTE_INC);
-
- if (status) {
- ath6kl_err("failed to write 0x%x to window reg: 0x%X\n",
- addr, reg_addr);
- return status;
- }
-
- return 0;
-}
-
/*
* Read from the hardware through its diagnostic window. No cooperation
* from the firmware is required for this.
@@ -240,14 +183,7 @@ int ath6kl_diag_read32(struct ath6kl *ar, u32 address, u32 *value)
{
int ret;
- /* set window register to start read cycle */
- ret = ath6kl_set_addrwin_reg(ar, WINDOW_READ_ADDR_ADDRESS, address);
- if (ret)
- return ret;
-
- /* read the data */
- ret = hif_read_write_sync(ar, WINDOW_DATA_ADDRESS, (u8 *) value,
- sizeof(*value), HIF_RD_SYNC_BYTE_INC);
+ ret = ath6kl_hif_diag_read32(ar, address, value);
if (ret) {
ath6kl_warn("failed to read32 through diagnose window: %d\n",
ret);
@@ -265,18 +201,15 @@ int ath6kl_diag_write32(struct ath6kl *ar, u32 address, __le32 value)
{
int ret;
- /* set write data */
- ret = hif_read_write_sync(ar, WINDOW_DATA_ADDRESS, (u8 *) &value,
- sizeof(value), HIF_WR_SYNC_BYTE_INC);
+ ret = ath6kl_hif_diag_write32(ar, address, value);
+
if (ret) {
ath6kl_err("failed to write 0x%x during diagnose window to 0x%d\n",
address, value);
return ret;
}
- /* set window register, which starts the write cycle */
- return ath6kl_set_addrwin_reg(ar, WINDOW_WRITE_ADDR_ADDRESS,
- address);
+ return 0;
}
int ath6kl_diag_read(struct ath6kl *ar, u32 address, void *data, u32 length)
@@ -393,8 +326,8 @@ out:
#define AR6003_RESET_CONTROL_ADDRESS 0x00004000
#define AR6004_RESET_CONTROL_ADDRESS 0x00004000
-static void ath6kl_reset_device(struct ath6kl *ar, u32 target_type,
- bool wait_fot_compltn, bool cold_reset)
+void ath6kl_reset_device(struct ath6kl *ar, u32 target_type,
+ bool wait_fot_compltn, bool cold_reset)
{
int status = 0;
u32 address;
@@ -425,102 +358,33 @@ static void ath6kl_reset_device(struct ath6kl *ar, u32 target_type,
ath6kl_err("failed to reset target\n");
}
-void ath6kl_stop_endpoint(struct net_device *dev, bool keep_profile,
- bool get_dbglogs)
-{
- struct ath6kl *ar = ath6kl_priv(dev);
- static u8 bcast_mac[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
- bool discon_issued;
-
- netif_stop_queue(dev);
-
- /* disable the target and the interrupts associated with it */
- if (test_bit(WMI_READY, &ar->flag)) {
- discon_issued = (test_bit(CONNECTED, &ar->flag) ||
- test_bit(CONNECT_PEND, &ar->flag));
- ath6kl_disconnect(ar);
- if (!keep_profile)
- ath6kl_init_profile_info(ar);
-
- del_timer(&ar->disconnect_timer);
-
- clear_bit(WMI_READY, &ar->flag);
- ath6kl_wmi_shutdown(ar->wmi);
- clear_bit(WMI_ENABLED, &ar->flag);
- ar->wmi = NULL;
-
- /*
- * After wmi_shudown all WMI events will be dropped. We
- * need to cleanup the buffers allocated in AP mode and
- * give disconnect notification to stack, which usually
- * happens in the disconnect_event. Simulate the disconnect
- * event by calling the function directly. Sometimes
- * disconnect_event will be received when the debug logs
- * are collected.
- */
- if (discon_issued)
- ath6kl_disconnect_event(ar, DISCONNECT_CMD,
- (ar->nw_type & AP_NETWORK) ?
- bcast_mac : ar->bssid,
- 0, NULL, 0);
-
- ar->user_key_ctrl = 0;
-
- } else {
- ath6kl_dbg(ATH6KL_DBG_TRC,
- "%s: wmi is not ready 0x%p 0x%p\n",
- __func__, ar, ar->wmi);
-
- /* Shut down WMI if we have started it */
- if (test_bit(WMI_ENABLED, &ar->flag)) {
- ath6kl_dbg(ATH6KL_DBG_TRC,
- "%s: shut down wmi\n", __func__);
- ath6kl_wmi_shutdown(ar->wmi);
- clear_bit(WMI_ENABLED, &ar->flag);
- ar->wmi = NULL;
- }
- }
-
- if (ar->htc_target) {
- ath6kl_dbg(ATH6KL_DBG_TRC, "%s: shut down htc\n", __func__);
- ath6kl_htc_stop(ar->htc_target);
- }
-
- /*
- * Try to reset the device if we can. The driver may have been
- * configure NOT to reset the target during a debug session.
- */
- ath6kl_dbg(ATH6KL_DBG_TRC,
- "attempting to reset target on instance destroy\n");
- ath6kl_reset_device(ar, ar->target_type, true, true);
-}
-
-static void ath6kl_install_static_wep_keys(struct ath6kl *ar)
+static void ath6kl_install_static_wep_keys(struct ath6kl_vif *vif)
{
u8 index;
u8 keyusage;
for (index = WMI_MIN_KEY_INDEX; index <= WMI_MAX_KEY_INDEX; index++) {
- if (ar->wep_key_list[index].key_len) {
+ if (vif->wep_key_list[index].key_len) {
keyusage = GROUP_USAGE;
- if (index == ar->def_txkey_index)
+ if (index == vif->def_txkey_index)
keyusage |= TX_USAGE;
- ath6kl_wmi_addkey_cmd(ar->wmi,
+ ath6kl_wmi_addkey_cmd(vif->ar->wmi, vif->fw_vif_idx,
index,
WEP_CRYPT,
keyusage,
- ar->wep_key_list[index].key_len,
- NULL,
- ar->wep_key_list[index].key,
+ vif->wep_key_list[index].key_len,
+ NULL, 0,
+ vif->wep_key_list[index].key,
KEY_OP_INIT_VAL, NULL,
NO_SYNC_WMIFLAG);
}
}
}
-void ath6kl_connect_ap_mode_bss(struct ath6kl *ar, u16 channel)
+void ath6kl_connect_ap_mode_bss(struct ath6kl_vif *vif, u16 channel)
{
+ struct ath6kl *ar = vif->ar;
struct ath6kl_req_key *ik;
int res;
u8 key_rsc[ATH6KL_KEY_SEQ_LEN];
@@ -529,11 +393,13 @@ void ath6kl_connect_ap_mode_bss(struct ath6kl *ar, u16 channel)
ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "AP mode started on %u MHz\n", channel);
- switch (ar->auth_mode) {
+ switch (vif->auth_mode) {
case NONE_AUTH:
- if (ar->prwise_crypto == WEP_CRYPT)
- ath6kl_install_static_wep_keys(ar);
- break;
+ if (vif->prwise_crypto == WEP_CRYPT)
+ ath6kl_install_static_wep_keys(vif);
+ if (!ik->valid || ik->key_type != WAPI_CRYPT)
+ break;
+ /* for WAPI, we need to set the delayed group key, continue: */
case WPA_PSK_AUTH:
case WPA2_PSK_AUTH:
case (WPA_PSK_AUTH | WPA2_PSK_AUTH):
@@ -544,8 +410,9 @@ void ath6kl_connect_ap_mode_bss(struct ath6kl *ar, u16 channel)
"the initial group key for AP mode\n");
memset(key_rsc, 0, sizeof(key_rsc));
res = ath6kl_wmi_addkey_cmd(
- ar->wmi, ik->key_index, ik->key_type,
- GROUP_USAGE, ik->key_len, key_rsc, ik->key,
+ ar->wmi, vif->fw_vif_idx, ik->key_index, ik->key_type,
+ GROUP_USAGE, ik->key_len, key_rsc, ATH6KL_KEY_SEQ_LEN,
+ ik->key,
KEY_OP_INIT_VAL, NULL, SYNC_BOTH_WMIFLAG);
if (res) {
ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "Delayed "
@@ -554,15 +421,16 @@ void ath6kl_connect_ap_mode_bss(struct ath6kl *ar, u16 channel)
break;
}
- ath6kl_wmi_bssfilter_cmd(ar->wmi, NONE_BSS_FILTER, 0);
- set_bit(CONNECTED, &ar->flag);
- netif_carrier_on(ar->net_dev);
+ ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx, NONE_BSS_FILTER, 0);
+ set_bit(CONNECTED, &vif->flags);
+ netif_carrier_on(vif->ndev);
}
-void ath6kl_connect_ap_mode_sta(struct ath6kl *ar, u16 aid, u8 *mac_addr,
+void ath6kl_connect_ap_mode_sta(struct ath6kl_vif *vif, u16 aid, u8 *mac_addr,
u8 keymgmt, u8 ucipher, u8 auth,
u8 assoc_req_len, u8 *assoc_info)
{
+ struct ath6kl *ar = vif->ar;
u8 *ies = NULL, *wpa_ie = NULL, *pos;
size_t ies_len = 0;
struct station_info sinfo;
@@ -600,6 +468,18 @@ void ath6kl_connect_ap_mode_sta(struct ath6kl *ar, u16 aid, u8 *mac_addr,
wpa_ie = pos; /* WPS IE */
break; /* overrides WPA/RSN IE */
}
+ } else if (pos[0] == 0x44 && wpa_ie == NULL) {
+ /*
+ * Note: WAPI Parameter Set IE re-uses Element ID that
+ * was officially allocated for BSS AC Access Delay. As
+ * such, we need to be a bit more careful on when
+ * parsing the frame. However, BSS AC Access Delay
+ * element is not supposed to be included in
+ * (Re)Association Request frames, so this should not
+ * cause problems.
+ */
+ wpa_ie = pos; /* WAPI IE */
+ break;
}
pos += 2 + pos[1];
}
@@ -617,380 +497,49 @@ void ath6kl_connect_ap_mode_sta(struct ath6kl *ar, u16 aid, u8 *mac_addr,
sinfo.assoc_req_ies_len = ies_len;
sinfo.filled |= STATION_INFO_ASSOC_REQ_IES;
- cfg80211_new_sta(ar->net_dev, mac_addr, &sinfo, GFP_KERNEL);
-
- netif_wake_queue(ar->net_dev);
-}
-
-/* Functions for Tx credit handling */
-void ath6k_credit_init(struct htc_credit_state_info *cred_info,
- struct list_head *ep_list,
- int tot_credits)
-{
- struct htc_endpoint_credit_dist *cur_ep_dist;
- int count;
-
- cred_info->cur_free_credits = tot_credits;
- cred_info->total_avail_credits = tot_credits;
-
- list_for_each_entry(cur_ep_dist, ep_list, list) {
- if (cur_ep_dist->endpoint == ENDPOINT_0)
- continue;
-
- cur_ep_dist->cred_min = cur_ep_dist->cred_per_msg;
-
- if (tot_credits > 4)
- if ((cur_ep_dist->svc_id == WMI_DATA_BK_SVC) ||
- (cur_ep_dist->svc_id == WMI_DATA_BE_SVC)) {
- ath6kl_deposit_credit_to_ep(cred_info,
- cur_ep_dist,
- cur_ep_dist->cred_min);
- cur_ep_dist->dist_flags |= HTC_EP_ACTIVE;
- }
-
- if (cur_ep_dist->svc_id == WMI_CONTROL_SVC) {
- ath6kl_deposit_credit_to_ep(cred_info, cur_ep_dist,
- cur_ep_dist->cred_min);
- /*
- * Control service is always marked active, it
- * never goes inactive EVER.
- */
- cur_ep_dist->dist_flags |= HTC_EP_ACTIVE;
- } else if (cur_ep_dist->svc_id == WMI_DATA_BK_SVC)
- /* this is the lowest priority data endpoint */
- cred_info->lowestpri_ep_dist = cur_ep_dist->list;
-
- /*
- * Streams have to be created (explicit | implicit) for all
- * kinds of traffic. BE endpoints are also inactive in the
- * beginning. When BE traffic starts it creates implicit
- * streams that redistributes credits.
- *
- * Note: all other endpoints have minimums set but are
- * initially given NO credits. credits will be distributed
- * as traffic activity demands
- */
- }
-
- WARN_ON(cred_info->cur_free_credits <= 0);
-
- list_for_each_entry(cur_ep_dist, ep_list, list) {
- if (cur_ep_dist->endpoint == ENDPOINT_0)
- continue;
-
- if (cur_ep_dist->svc_id == WMI_CONTROL_SVC)
- cur_ep_dist->cred_norm = cur_ep_dist->cred_per_msg;
- else {
- /*
- * For the remaining data endpoints, we assume that
- * each cred_per_msg are the same. We use a simple
- * calculation here, we take the remaining credits
- * and determine how many max messages this can
- * cover and then set each endpoint's normal value
- * equal to 3/4 this amount.
- */
- count = (cred_info->cur_free_credits /
- cur_ep_dist->cred_per_msg)
- * cur_ep_dist->cred_per_msg;
- count = (count * 3) >> 2;
- count = max(count, cur_ep_dist->cred_per_msg);
- cur_ep_dist->cred_norm = count;
-
- }
- }
-}
-
-/* initialize and setup credit distribution */
-int ath6k_setup_credit_dist(void *htc_handle,
- struct htc_credit_state_info *cred_info)
-{
- u16 servicepriority[5];
-
- memset(cred_info, 0, sizeof(struct htc_credit_state_info));
-
- servicepriority[0] = WMI_CONTROL_SVC; /* highest */
- servicepriority[1] = WMI_DATA_VO_SVC;
- servicepriority[2] = WMI_DATA_VI_SVC;
- servicepriority[3] = WMI_DATA_BE_SVC;
- servicepriority[4] = WMI_DATA_BK_SVC; /* lowest */
-
- /* set priority list */
- ath6kl_htc_set_credit_dist(htc_handle, cred_info, servicepriority, 5);
-
- return 0;
-}
-
-/* reduce an ep's credits back to a set limit */
-static void ath6k_reduce_credits(struct htc_credit_state_info *cred_info,
- struct htc_endpoint_credit_dist *ep_dist,
- int limit)
-{
- int credits;
-
- ep_dist->cred_assngd = limit;
-
- if (ep_dist->credits <= limit)
- return;
+ cfg80211_new_sta(vif->ndev, mac_addr, &sinfo, GFP_KERNEL);
- credits = ep_dist->credits - limit;
- ep_dist->credits -= credits;
- cred_info->cur_free_credits += credits;
-}
-
-static void ath6k_credit_update(struct htc_credit_state_info *cred_info,
- struct list_head *epdist_list)
-{
- struct htc_endpoint_credit_dist *cur_dist_list;
-
- list_for_each_entry(cur_dist_list, epdist_list, list) {
- if (cur_dist_list->endpoint == ENDPOINT_0)
- continue;
-
- if (cur_dist_list->cred_to_dist > 0) {
- cur_dist_list->credits +=
- cur_dist_list->cred_to_dist;
- cur_dist_list->cred_to_dist = 0;
- if (cur_dist_list->credits >
- cur_dist_list->cred_assngd)
- ath6k_reduce_credits(cred_info,
- cur_dist_list,
- cur_dist_list->cred_assngd);
-
- if (cur_dist_list->credits >
- cur_dist_list->cred_norm)
- ath6k_reduce_credits(cred_info, cur_dist_list,
- cur_dist_list->cred_norm);
-
- if (!(cur_dist_list->dist_flags & HTC_EP_ACTIVE)) {
- if (cur_dist_list->txq_depth == 0)
- ath6k_reduce_credits(cred_info,
- cur_dist_list, 0);
- }
- }
- }
-}
-
-/*
- * HTC has an endpoint that needs credits, ep_dist is the endpoint in
- * question.
- */
-void ath6k_seek_credits(struct htc_credit_state_info *cred_info,
- struct htc_endpoint_credit_dist *ep_dist)
-{
- struct htc_endpoint_credit_dist *curdist_list;
- int credits = 0;
- int need;
-
- if (ep_dist->svc_id == WMI_CONTROL_SVC)
- goto out;
-
- if ((ep_dist->svc_id == WMI_DATA_VI_SVC) ||
- (ep_dist->svc_id == WMI_DATA_VO_SVC))
- if ((ep_dist->cred_assngd >= ep_dist->cred_norm))
- goto out;
-
- /*
- * For all other services, we follow a simple algorithm of:
- *
- * 1. checking the free pool for credits
- * 2. checking lower priority endpoints for credits to take
- */
-
- credits = min(cred_info->cur_free_credits, ep_dist->seek_cred);
-
- if (credits >= ep_dist->seek_cred)
- goto out;
-
- /*
- * We don't have enough in the free pool, try taking away from
- * lower priority services The rule for taking away credits:
- *
- * 1. Only take from lower priority endpoints
- * 2. Only take what is allocated above the minimum (never
- * starve an endpoint completely)
- * 3. Only take what you need.
- */
-
- list_for_each_entry_reverse(curdist_list,
- &cred_info->lowestpri_ep_dist,
- list) {
- if (curdist_list == ep_dist)
- break;
-
- need = ep_dist->seek_cred - cred_info->cur_free_credits;
-
- if ((curdist_list->cred_assngd - need) >=
- curdist_list->cred_min) {
- /*
- * The current one has been allocated more than
- * it's minimum and it has enough credits assigned
- * above it's minimum to fulfill our need try to
- * take away just enough to fulfill our need.
- */
- ath6k_reduce_credits(cred_info, curdist_list,
- curdist_list->cred_assngd - need);
-
- if (cred_info->cur_free_credits >=
- ep_dist->seek_cred)
- break;
- }
-
- if (curdist_list->endpoint == ENDPOINT_0)
- break;
- }
-
- credits = min(cred_info->cur_free_credits, ep_dist->seek_cred);
-
-out:
- /* did we find some credits? */
- if (credits)
- ath6kl_deposit_credit_to_ep(cred_info, ep_dist, credits);
-
- ep_dist->seek_cred = 0;
-}
-
-/* redistribute credits based on activity change */
-static void ath6k_redistribute_credits(struct htc_credit_state_info *info,
- struct list_head *ep_dist_list)
-{
- struct htc_endpoint_credit_dist *curdist_list;
-
- list_for_each_entry(curdist_list, ep_dist_list, list) {
- if (curdist_list->endpoint == ENDPOINT_0)
- continue;
-
- if ((curdist_list->svc_id == WMI_DATA_BK_SVC) ||
- (curdist_list->svc_id == WMI_DATA_BE_SVC))
- curdist_list->dist_flags |= HTC_EP_ACTIVE;
-
- if ((curdist_list->svc_id != WMI_CONTROL_SVC) &&
- !(curdist_list->dist_flags & HTC_EP_ACTIVE)) {
- if (curdist_list->txq_depth == 0)
- ath6k_reduce_credits(info,
- curdist_list, 0);
- else
- ath6k_reduce_credits(info,
- curdist_list,
- curdist_list->cred_min);
- }
- }
-}
-
-/*
- *
- * This function is invoked whenever endpoints require credit
- * distributions. A lock is held while this function is invoked, this
- * function shall NOT block. The ep_dist_list is a list of distribution
- * structures in prioritized order as defined by the call to the
- * htc_set_credit_dist() api.
- */
-void ath6k_credit_distribute(struct htc_credit_state_info *cred_info,
- struct list_head *ep_dist_list,
- enum htc_credit_dist_reason reason)
-{
- switch (reason) {
- case HTC_CREDIT_DIST_SEND_COMPLETE:
- ath6k_credit_update(cred_info, ep_dist_list);
- break;
- case HTC_CREDIT_DIST_ACTIVITY_CHANGE:
- ath6k_redistribute_credits(cred_info, ep_dist_list);
- break;
- default:
- break;
- }
-
- WARN_ON(cred_info->cur_free_credits > cred_info->total_avail_credits);
- WARN_ON(cred_info->cur_free_credits < 0);
+ netif_wake_queue(vif->ndev);
}
void disconnect_timer_handler(unsigned long ptr)
{
struct net_device *dev = (struct net_device *)ptr;
- struct ath6kl *ar = ath6kl_priv(dev);
+ struct ath6kl_vif *vif = netdev_priv(dev);
- ath6kl_init_profile_info(ar);
- ath6kl_disconnect(ar);
+ ath6kl_init_profile_info(vif);
+ ath6kl_disconnect(vif);
}
-void ath6kl_disconnect(struct ath6kl *ar)
+void ath6kl_disconnect(struct ath6kl_vif *vif)
{
- if (test_bit(CONNECTED, &ar->flag) ||
- test_bit(CONNECT_PEND, &ar->flag)) {
- ath6kl_wmi_disconnect_cmd(ar->wmi);
+ if (test_bit(CONNECTED, &vif->flags) ||
+ test_bit(CONNECT_PEND, &vif->flags)) {
+ ath6kl_wmi_disconnect_cmd(vif->ar->wmi, vif->fw_vif_idx);
/*
* Disconnect command is issued, clear the connect pending
* flag. The connected flag will be cleared in
* disconnect event notification.
*/
- clear_bit(CONNECT_PEND, &ar->flag);
+ clear_bit(CONNECT_PEND, &vif->flags);
}
}
-void ath6kl_deep_sleep_enable(struct ath6kl *ar)
-{
- switch (ar->sme_state) {
- case SME_CONNECTING:
- cfg80211_connect_result(ar->net_dev, ar->bssid, NULL, 0,
- NULL, 0,
- WLAN_STATUS_UNSPECIFIED_FAILURE,
- GFP_KERNEL);
- break;
- case SME_CONNECTED:
- default:
- /*
- * FIXME: oddly enough smeState is in DISCONNECTED during
- * suspend, why? Need to send disconnected event in that
- * state.
- */
- cfg80211_disconnected(ar->net_dev, 0, NULL, 0, GFP_KERNEL);
- break;
- }
-
- if (test_bit(CONNECTED, &ar->flag) ||
- test_bit(CONNECT_PEND, &ar->flag))
- ath6kl_wmi_disconnect_cmd(ar->wmi);
-
- ar->sme_state = SME_DISCONNECTED;
-
- /* disable scanning */
- if (ath6kl_wmi_scanparams_cmd(ar->wmi, 0xFFFF, 0, 0, 0, 0, 0, 0, 0,
- 0, 0) != 0)
- printk(KERN_WARNING "ath6kl: failed to disable scan "
- "during suspend\n");
-
- ath6kl_cfg80211_scan_complete_event(ar, -ECANCELED);
-}
-
/* WMI Event handlers */
-static const char *get_hw_id_string(u32 id)
-{
- switch (id) {
- case AR6003_REV1_VERSION:
- return "1.0";
- case AR6003_REV2_VERSION:
- return "2.0";
- case AR6003_REV3_VERSION:
- return "2.1.1";
- default:
- return "unknown";
- }
-}
-
void ath6kl_ready_event(void *devt, u8 *datap, u32 sw_ver, u32 abi_ver)
{
struct ath6kl *ar = devt;
- struct net_device *dev = ar->net_dev;
- memcpy(dev->dev_addr, datap, ETH_ALEN);
+ memcpy(ar->mac_addr, datap, ETH_ALEN);
ath6kl_dbg(ATH6KL_DBG_TRC, "%s: mac addr = %pM\n",
- __func__, dev->dev_addr);
+ __func__, ar->mac_addr);
ar->version.wlan_ver = sw_ver;
ar->version.abi_ver = abi_ver;
- snprintf(ar->wdev->wiphy->fw_version,
- sizeof(ar->wdev->wiphy->fw_version),
+ snprintf(ar->wiphy->fw_version,
+ sizeof(ar->wiphy->fw_version),
"%u.%u.%u.%u",
(ar->version.wlan_ver & 0xf0000000) >> 28,
(ar->version.wlan_ver & 0x0f000000) >> 24,
@@ -1000,79 +549,85 @@ void ath6kl_ready_event(void *devt, u8 *datap, u32 sw_ver, u32 abi_ver)
/* indicate to the waiting thread that the ready event was received */
set_bit(WMI_READY, &ar->flag);
wake_up(&ar->event_wq);
-
- ath6kl_info("hw %s fw %s%s\n",
- get_hw_id_string(ar->wdev->wiphy->hw_version),
- ar->wdev->wiphy->fw_version,
- test_bit(TESTMODE, &ar->flag) ? " testmode" : "");
}
-void ath6kl_scan_complete_evt(struct ath6kl *ar, int status)
+void ath6kl_scan_complete_evt(struct ath6kl_vif *vif, int status)
{
- ath6kl_cfg80211_scan_complete_event(ar, status);
+ struct ath6kl *ar = vif->ar;
+ bool aborted = false;
+
+ if (status != WMI_SCAN_STATUS_SUCCESS)
+ aborted = true;
+
+ ath6kl_cfg80211_scan_complete_event(vif, aborted);
if (!ar->usr_bss_filter) {
- clear_bit(CLEAR_BSSFILTER_ON_BEACON, &ar->flag);
- ath6kl_wmi_bssfilter_cmd(ar->wmi, NONE_BSS_FILTER, 0);
+ clear_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags);
+ ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx,
+ NONE_BSS_FILTER, 0);
}
- ath6kl_dbg(ATH6KL_DBG_WLAN_SCAN, "scan complete: %d\n", status);
+ ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "scan complete: %d\n", status);
}
-void ath6kl_connect_event(struct ath6kl *ar, u16 channel, u8 *bssid,
+void ath6kl_connect_event(struct ath6kl_vif *vif, u16 channel, u8 *bssid,
u16 listen_int, u16 beacon_int,
enum network_type net_type, u8 beacon_ie_len,
u8 assoc_req_len, u8 assoc_resp_len,
u8 *assoc_info)
{
- unsigned long flags;
+ struct ath6kl *ar = vif->ar;
- ath6kl_cfg80211_connect_event(ar, channel, bssid,
+ ath6kl_cfg80211_connect_event(vif, channel, bssid,
listen_int, beacon_int,
net_type, beacon_ie_len,
assoc_req_len, assoc_resp_len,
assoc_info);
- memcpy(ar->bssid, bssid, sizeof(ar->bssid));
- ar->bss_ch = channel;
+ memcpy(vif->bssid, bssid, sizeof(vif->bssid));
+ vif->bss_ch = channel;
- if ((ar->nw_type == INFRA_NETWORK))
- ath6kl_wmi_listeninterval_cmd(ar->wmi, ar->listen_intvl_t,
+ if ((vif->nw_type == INFRA_NETWORK))
+ ath6kl_wmi_listeninterval_cmd(ar->wmi, vif->fw_vif_idx,
+ ar->listen_intvl_t,
ar->listen_intvl_b);
- netif_wake_queue(ar->net_dev);
+ netif_wake_queue(vif->ndev);
/* Update connect & link status atomically */
- spin_lock_irqsave(&ar->lock, flags);
- set_bit(CONNECTED, &ar->flag);
- clear_bit(CONNECT_PEND, &ar->flag);
- netif_carrier_on(ar->net_dev);
- spin_unlock_irqrestore(&ar->lock, flags);
+ spin_lock_bh(&vif->if_lock);
+ set_bit(CONNECTED, &vif->flags);
+ clear_bit(CONNECT_PEND, &vif->flags);
+ netif_carrier_on(vif->ndev);
+ spin_unlock_bh(&vif->if_lock);
- aggr_reset_state(ar->aggr_cntxt);
- ar->reconnect_flag = 0;
+ aggr_reset_state(vif->aggr_cntxt);
+ vif->reconnect_flag = 0;
- if ((ar->nw_type == ADHOC_NETWORK) && ar->ibss_ps_enable) {
+ if ((vif->nw_type == ADHOC_NETWORK) && ar->ibss_ps_enable) {
memset(ar->node_map, 0, sizeof(ar->node_map));
ar->node_num = 0;
ar->next_ep_id = ENDPOINT_2;
}
if (!ar->usr_bss_filter) {
- set_bit(CLEAR_BSSFILTER_ON_BEACON, &ar->flag);
- ath6kl_wmi_bssfilter_cmd(ar->wmi, CURRENT_BSS_FILTER, 0);
+ set_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags);
+ ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx,
+ CURRENT_BSS_FILTER, 0);
}
}
-void ath6kl_tkip_micerr_event(struct ath6kl *ar, u8 keyid, bool ismcast)
+void ath6kl_tkip_micerr_event(struct ath6kl_vif *vif, u8 keyid, bool ismcast)
{
struct ath6kl_sta *sta;
+ struct ath6kl *ar = vif->ar;
u8 tsc[6];
+
/*
* For AP case, keyid will have aid of STA which sent pkt with
* MIC error. Use this aid to get MAC & send it to hostapd.
*/
- if (ar->nw_type == AP_NETWORK) {
+ if (vif->nw_type == AP_NETWORK) {
sta = ath6kl_find_sta_by_aid(ar, (keyid >> 2));
if (!sta)
return;
@@ -1081,19 +636,20 @@ void ath6kl_tkip_micerr_event(struct ath6kl *ar, u8 keyid, bool ismcast)
"ap tkip mic error received from aid=%d\n", keyid);
memset(tsc, 0, sizeof(tsc)); /* FIX: get correct TSC */
- cfg80211_michael_mic_failure(ar->net_dev, sta->mac,
+ cfg80211_michael_mic_failure(vif->ndev, sta->mac,
NL80211_KEYTYPE_PAIRWISE, keyid,
tsc, GFP_KERNEL);
} else
- ath6kl_cfg80211_tkip_micerr_event(ar, keyid, ismcast);
+ ath6kl_cfg80211_tkip_micerr_event(vif, keyid, ismcast);
}
-static void ath6kl_update_target_stats(struct ath6kl *ar, u8 *ptr, u32 len)
+static void ath6kl_update_target_stats(struct ath6kl_vif *vif, u8 *ptr, u32 len)
{
struct wmi_target_stats *tgt_stats =
(struct wmi_target_stats *) ptr;
- struct target_stats *stats = &ar->target_stats;
+ struct ath6kl *ar = vif->ar;
+ struct target_stats *stats = &vif->target_stats;
struct tkip_ccmp_stats *ccmp_stats;
u8 ac;
@@ -1189,8 +745,8 @@ static void ath6kl_update_target_stats(struct ath6kl *ar, u8 *ptr, u32 len)
stats->wow_evt_discarded +=
le16_to_cpu(tgt_stats->wow_stats.wow_evt_discarded);
- if (test_bit(STATS_UPDATE_PEND, &ar->flag)) {
- clear_bit(STATS_UPDATE_PEND, &ar->flag);
+ if (test_bit(STATS_UPDATE_PEND, &vif->flags)) {
+ clear_bit(STATS_UPDATE_PEND, &vif->flags);
wake_up(&ar->event_wq);
}
}
@@ -1200,14 +756,15 @@ static void ath6kl_add_le32(__le32 *var, __le32 val)
*var = cpu_to_le32(le32_to_cpu(*var) + le32_to_cpu(val));
}
-void ath6kl_tgt_stats_event(struct ath6kl *ar, u8 *ptr, u32 len)
+void ath6kl_tgt_stats_event(struct ath6kl_vif *vif, u8 *ptr, u32 len)
{
struct wmi_ap_mode_stat *p = (struct wmi_ap_mode_stat *) ptr;
+ struct ath6kl *ar = vif->ar;
struct wmi_ap_mode_stat *ap = &ar->ap_stats;
struct wmi_per_sta_stat *st_ap, *st_p;
u8 ac;
- if (ar->nw_type == AP_NETWORK) {
+ if (vif->nw_type == AP_NETWORK) {
if (len < sizeof(*p))
return;
@@ -1226,7 +783,7 @@ void ath6kl_tgt_stats_event(struct ath6kl *ar, u8 *ptr, u32 len)
}
} else {
- ath6kl_update_target_stats(ar, ptr, len);
+ ath6kl_update_target_stats(vif, ptr, len);
}
}
@@ -1245,11 +802,12 @@ void ath6kl_txpwr_rx_evt(void *devt, u8 tx_pwr)
wake_up(&ar->event_wq);
}
-void ath6kl_pspoll_event(struct ath6kl *ar, u8 aid)
+void ath6kl_pspoll_event(struct ath6kl_vif *vif, u8 aid)
{
struct ath6kl_sta *conn;
struct sk_buff *skb;
bool psq_empty = false;
+ struct ath6kl *ar = vif->ar;
conn = ath6kl_find_sta_by_aid(ar, aid);
@@ -1272,7 +830,7 @@ void ath6kl_pspoll_event(struct ath6kl *ar, u8 aid)
spin_unlock_bh(&conn->psq_lock);
conn->sta_flags |= STA_PS_POLLED;
- ath6kl_data_tx(skb, ar->net_dev);
+ ath6kl_data_tx(skb, vif->ndev);
conn->sta_flags &= ~STA_PS_POLLED;
spin_lock_bh(&conn->psq_lock);
@@ -1280,13 +838,14 @@ void ath6kl_pspoll_event(struct ath6kl *ar, u8 aid)
spin_unlock_bh(&conn->psq_lock);
if (psq_empty)
- ath6kl_wmi_set_pvb_cmd(ar->wmi, conn->aid, 0);
+ ath6kl_wmi_set_pvb_cmd(ar->wmi, vif->fw_vif_idx, conn->aid, 0);
}
-void ath6kl_dtimexpiry_event(struct ath6kl *ar)
+void ath6kl_dtimexpiry_event(struct ath6kl_vif *vif)
{
bool mcastq_empty = false;
struct sk_buff *skb;
+ struct ath6kl *ar = vif->ar;
/*
* If there are no associated STAs, ignore the DTIM expiry event.
@@ -1308,31 +867,31 @@ void ath6kl_dtimexpiry_event(struct ath6kl *ar)
return;
/* set the STA flag to dtim_expired for the frame to go out */
- set_bit(DTIM_EXPIRED, &ar->flag);
+ set_bit(DTIM_EXPIRED, &vif->flags);
spin_lock_bh(&ar->mcastpsq_lock);
while ((skb = skb_dequeue(&ar->mcastpsq)) != NULL) {
spin_unlock_bh(&ar->mcastpsq_lock);
- ath6kl_data_tx(skb, ar->net_dev);
+ ath6kl_data_tx(skb, vif->ndev);
spin_lock_bh(&ar->mcastpsq_lock);
}
spin_unlock_bh(&ar->mcastpsq_lock);
- clear_bit(DTIM_EXPIRED, &ar->flag);
+ clear_bit(DTIM_EXPIRED, &vif->flags);
/* clear the LSB of the BitMapCtl field of the TIM IE */
- ath6kl_wmi_set_pvb_cmd(ar->wmi, MCAST_AID, 0);
+ ath6kl_wmi_set_pvb_cmd(ar->wmi, vif->fw_vif_idx, MCAST_AID, 0);
}
-void ath6kl_disconnect_event(struct ath6kl *ar, u8 reason, u8 *bssid,
+void ath6kl_disconnect_event(struct ath6kl_vif *vif, u8 reason, u8 *bssid,
u8 assoc_resp_len, u8 *assoc_info,
u16 prot_reason_status)
{
- unsigned long flags;
+ struct ath6kl *ar = vif->ar;
- if (ar->nw_type == AP_NETWORK) {
+ if (vif->nw_type == AP_NETWORK) {
if (!ath6kl_remove_sta(ar, bssid, prot_reason_status))
return;
@@ -1344,31 +903,31 @@ void ath6kl_disconnect_event(struct ath6kl *ar, u8 reason, u8 *bssid,
/* clear the LSB of the TIM IE's BitMapCtl field */
if (test_bit(WMI_READY, &ar->flag))
- ath6kl_wmi_set_pvb_cmd(ar->wmi, MCAST_AID, 0);
+ ath6kl_wmi_set_pvb_cmd(ar->wmi, vif->fw_vif_idx,
+ MCAST_AID, 0);
}
if (!is_broadcast_ether_addr(bssid)) {
/* send event to application */
- cfg80211_del_sta(ar->net_dev, bssid, GFP_KERNEL);
+ cfg80211_del_sta(vif->ndev, bssid, GFP_KERNEL);
}
- if (memcmp(ar->net_dev->dev_addr, bssid, ETH_ALEN) == 0) {
- memset(ar->wep_key_list, 0, sizeof(ar->wep_key_list));
- clear_bit(CONNECTED, &ar->flag);
+ if (memcmp(vif->ndev->dev_addr, bssid, ETH_ALEN) == 0) {
+ memset(vif->wep_key_list, 0, sizeof(vif->wep_key_list));
+ clear_bit(CONNECTED, &vif->flags);
}
return;
}
- ath6kl_cfg80211_disconnect_event(ar, reason, bssid,
+ ath6kl_cfg80211_disconnect_event(vif, reason, bssid,
assoc_resp_len, assoc_info,
prot_reason_status);
- aggr_reset_state(ar->aggr_cntxt);
+ aggr_reset_state(vif->aggr_cntxt);
- del_timer(&ar->disconnect_timer);
+ del_timer(&vif->disconnect_timer);
- ath6kl_dbg(ATH6KL_DBG_WLAN_CONNECT,
- "disconnect reason is %d\n", reason);
+ ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "disconnect reason is %d\n", reason);
/*
* If the event is due to disconnect cmd from the host, only they
@@ -1377,83 +936,88 @@ void ath6kl_disconnect_event(struct ath6kl *ar, u8 reason, u8 *bssid,
*/
if (reason == DISCONNECT_CMD) {
if (!ar->usr_bss_filter && test_bit(WMI_READY, &ar->flag))
- ath6kl_wmi_bssfilter_cmd(ar->wmi, NONE_BSS_FILTER, 0);
+ ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx,
+ NONE_BSS_FILTER, 0);
} else {
- set_bit(CONNECT_PEND, &ar->flag);
+ set_bit(CONNECT_PEND, &vif->flags);
if (((reason == ASSOC_FAILED) &&
(prot_reason_status == 0x11)) ||
((reason == ASSOC_FAILED) && (prot_reason_status == 0x0)
- && (ar->reconnect_flag == 1))) {
- set_bit(CONNECTED, &ar->flag);
+ && (vif->reconnect_flag == 1))) {
+ set_bit(CONNECTED, &vif->flags);
return;
}
}
/* update connect & link status atomically */
- spin_lock_irqsave(&ar->lock, flags);
- clear_bit(CONNECTED, &ar->flag);
- netif_carrier_off(ar->net_dev);
- spin_unlock_irqrestore(&ar->lock, flags);
+ spin_lock_bh(&vif->if_lock);
+ clear_bit(CONNECTED, &vif->flags);
+ netif_carrier_off(vif->ndev);
+ spin_unlock_bh(&vif->if_lock);
- if ((reason != CSERV_DISCONNECT) || (ar->reconnect_flag != 1))
- ar->reconnect_flag = 0;
+ if ((reason != CSERV_DISCONNECT) || (vif->reconnect_flag != 1))
+ vif->reconnect_flag = 0;
if (reason != CSERV_DISCONNECT)
ar->user_key_ctrl = 0;
- netif_stop_queue(ar->net_dev);
- memset(ar->bssid, 0, sizeof(ar->bssid));
- ar->bss_ch = 0;
+ netif_stop_queue(vif->ndev);
+ memset(vif->bssid, 0, sizeof(vif->bssid));
+ vif->bss_ch = 0;
ath6kl_tx_data_cleanup(ar);
}
-static int ath6kl_open(struct net_device *dev)
+struct ath6kl_vif *ath6kl_vif_first(struct ath6kl *ar)
{
- struct ath6kl *ar = ath6kl_priv(dev);
- unsigned long flags;
+ struct ath6kl_vif *vif;
- spin_lock_irqsave(&ar->lock, flags);
+ spin_lock_bh(&ar->list_lock);
+ if (list_empty(&ar->vif_list)) {
+ spin_unlock_bh(&ar->list_lock);
+ return NULL;
+ }
- set_bit(WLAN_ENABLED, &ar->flag);
+ vif = list_first_entry(&ar->vif_list, struct ath6kl_vif, list);
- if (test_bit(CONNECTED, &ar->flag)) {
+ spin_unlock_bh(&ar->list_lock);
+
+ return vif;
+}
+
+static int ath6kl_open(struct net_device *dev)
+{
+ struct ath6kl_vif *vif = netdev_priv(dev);
+
+ set_bit(WLAN_ENABLED, &vif->flags);
+
+ if (test_bit(CONNECTED, &vif->flags)) {
netif_carrier_on(dev);
netif_wake_queue(dev);
} else
netif_carrier_off(dev);
- spin_unlock_irqrestore(&ar->lock, flags);
-
return 0;
}
static int ath6kl_close(struct net_device *dev)
{
- struct ath6kl *ar = ath6kl_priv(dev);
+ struct ath6kl_vif *vif = netdev_priv(dev);
netif_stop_queue(dev);
- ath6kl_disconnect(ar);
-
- if (test_bit(WMI_READY, &ar->flag)) {
- if (ath6kl_wmi_scanparams_cmd(ar->wmi, 0xFFFF, 0, 0, 0, 0, 0, 0,
- 0, 0, 0))
- return -EIO;
-
- clear_bit(WLAN_ENABLED, &ar->flag);
- }
+ ath6kl_cfg80211_stop(vif);
- ath6kl_cfg80211_scan_complete_event(ar, -ECANCELED);
+ clear_bit(WLAN_ENABLED, &vif->flags);
return 0;
}
static struct net_device_stats *ath6kl_get_stats(struct net_device *dev)
{
- struct ath6kl *ar = ath6kl_priv(dev);
+ struct ath6kl_vif *vif = netdev_priv(dev);
- return &ar->net_stats;
+ return &vif->net_stats;
}
static struct net_device_ops ath6kl_netdev_ops = {
@@ -1466,6 +1030,7 @@ static struct net_device_ops ath6kl_netdev_ops = {
void init_netdev(struct net_device *dev)
{
dev->netdev_ops = &ath6kl_netdev_ops;
+ dev->destructor = free_netdev;
dev->watchdog_timeo = ATH6KL_TX_TIMEOUT;
dev->needed_headroom = ETH_HLEN;