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path: root/drivers/net/wireless/wl12xx/cmd.c
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Diffstat (limited to 'drivers/net/wireless/wl12xx/cmd.c')
-rw-r--r--drivers/net/wireless/wl12xx/cmd.c143
1 files changed, 105 insertions, 38 deletions
diff --git a/drivers/net/wireless/wl12xx/cmd.c b/drivers/net/wireless/wl12xx/cmd.c
index 25990bd38be6..b776d9d5efe8 100644
--- a/drivers/net/wireless/wl12xx/cmd.c
+++ b/drivers/net/wireless/wl12xx/cmd.c
@@ -566,7 +566,7 @@ static int wl12xx_cmd_role_stop_dev(struct wl1271 *wl,
goto out_free;
}
- ret = wl1271_cmd_wait_for_event(wl, DISCONNECT_EVENT_COMPLETE_ID);
+ ret = wl1271_cmd_wait_for_event(wl, ROLE_STOP_COMPLETE_EVENT_ID);
if (ret < 0) {
wl1271_error("cmd role stop dev event completion error");
goto out_free;
@@ -715,6 +715,8 @@ int wl12xx_cmd_role_start_ap(struct wl1271 *wl, struct wl12xx_vif *wlvif)
cmd->ap.beacon_interval = cpu_to_le16(wlvif->beacon_int);
cmd->ap.dtim_interval = bss_conf->dtim_period;
cmd->ap.beacon_expiry = WL1271_AP_DEF_BEACON_EXP;
+ /* FIXME: Change when adding DFS */
+ cmd->ap.reset_tsf = 1; /* By default reset AP TSF */
cmd->channel = wlvif->channel;
if (!bss_conf->hidden_ssid) {
@@ -994,7 +996,7 @@ out:
}
int wl1271_cmd_ps_mode(struct wl1271 *wl, struct wl12xx_vif *wlvif,
- u8 ps_mode)
+ u8 ps_mode, u16 auto_ps_timeout)
{
struct wl1271_cmd_ps_params *ps_params = NULL;
int ret = 0;
@@ -1009,6 +1011,7 @@ int wl1271_cmd_ps_mode(struct wl1271 *wl, struct wl12xx_vif *wlvif,
ps_params->role_id = wlvif->role_id;
ps_params->ps_mode = ps_mode;
+ ps_params->auto_ps_timeout = auto_ps_timeout;
ret = wl1271_cmd_send(wl, CMD_SET_PS_MODE, ps_params,
sizeof(*ps_params), 0);
@@ -1022,13 +1025,15 @@ out:
return ret;
}
-int wl1271_cmd_template_set(struct wl1271 *wl, u16 template_id,
- void *buf, size_t buf_len, int index, u32 rates)
+int wl1271_cmd_template_set(struct wl1271 *wl, u8 role_id,
+ u16 template_id, void *buf, size_t buf_len,
+ int index, u32 rates)
{
struct wl1271_cmd_template_set *cmd;
int ret = 0;
- wl1271_debug(DEBUG_CMD, "cmd template_set %d", template_id);
+ wl1271_debug(DEBUG_CMD, "cmd template_set %d (role %d)",
+ template_id, role_id);
WARN_ON(buf_len > WL1271_CMD_TEMPL_MAX_SIZE);
buf_len = min_t(size_t, buf_len, WL1271_CMD_TEMPL_MAX_SIZE);
@@ -1039,6 +1044,8 @@ int wl1271_cmd_template_set(struct wl1271 *wl, u16 template_id,
goto out;
}
+ /* during initialization wlvif is NULL */
+ cmd->role_id = role_id;
cmd->len = cpu_to_le16(buf_len);
cmd->template_type = template_id;
cmd->enabled_rates = cpu_to_le32(rates);
@@ -1082,7 +1089,8 @@ int wl12xx_cmd_build_null_data(struct wl1271 *wl, struct wl12xx_vif *wlvif)
ptr = skb->data;
}
- ret = wl1271_cmd_template_set(wl, CMD_TEMPL_NULL_DATA, ptr, size, 0,
+ ret = wl1271_cmd_template_set(wl, wlvif->role_id,
+ CMD_TEMPL_NULL_DATA, ptr, size, 0,
wlvif->basic_rate);
out:
@@ -1105,7 +1113,7 @@ int wl12xx_cmd_build_klv_null_data(struct wl1271 *wl,
if (!skb)
goto out;
- ret = wl1271_cmd_template_set(wl, CMD_TEMPL_KLV,
+ ret = wl1271_cmd_template_set(wl, wlvif->role_id, CMD_TEMPL_KLV,
skb->data, skb->len,
CMD_TEMPL_KLV_IDX_NULL_DATA,
wlvif->basic_rate);
@@ -1130,7 +1138,8 @@ int wl1271_cmd_build_ps_poll(struct wl1271 *wl, struct wl12xx_vif *wlvif,
if (!skb)
goto out;
- ret = wl1271_cmd_template_set(wl, CMD_TEMPL_PS_POLL, skb->data,
+ ret = wl1271_cmd_template_set(wl, wlvif->role_id,
+ CMD_TEMPL_PS_POLL, skb->data,
skb->len, 0, wlvif->basic_rate_set);
out:
@@ -1138,9 +1147,10 @@ out:
return ret;
}
-int wl1271_cmd_build_probe_req(struct wl1271 *wl, struct wl12xx_vif *wlvif,
+int wl12xx_cmd_build_probe_req(struct wl1271 *wl, struct wl12xx_vif *wlvif,
+ u8 role_id, u8 band,
const u8 *ssid, size_t ssid_len,
- const u8 *ie, size_t ie_len, u8 band)
+ const u8 *ie, size_t ie_len)
{
struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif);
struct sk_buff *skb;
@@ -1158,10 +1168,12 @@ int wl1271_cmd_build_probe_req(struct wl1271 *wl, struct wl12xx_vif *wlvif,
rate = wl1271_tx_min_rate_get(wl, wlvif->bitrate_masks[band]);
if (band == IEEE80211_BAND_2GHZ)
- ret = wl1271_cmd_template_set(wl, CMD_TEMPL_CFG_PROBE_REQ_2_4,
+ ret = wl1271_cmd_template_set(wl, role_id,
+ CMD_TEMPL_CFG_PROBE_REQ_2_4,
skb->data, skb->len, 0, rate);
else
- ret = wl1271_cmd_template_set(wl, CMD_TEMPL_CFG_PROBE_REQ_5,
+ ret = wl1271_cmd_template_set(wl, role_id,
+ CMD_TEMPL_CFG_PROBE_REQ_5,
skb->data, skb->len, 0, rate);
out:
@@ -1186,10 +1198,12 @@ struct sk_buff *wl1271_cmd_build_ap_probe_req(struct wl1271 *wl,
rate = wl1271_tx_min_rate_get(wl, wlvif->bitrate_masks[wlvif->band]);
if (wlvif->band == IEEE80211_BAND_2GHZ)
- ret = wl1271_cmd_template_set(wl, CMD_TEMPL_CFG_PROBE_REQ_2_4,
+ ret = wl1271_cmd_template_set(wl, wlvif->role_id,
+ CMD_TEMPL_CFG_PROBE_REQ_2_4,
skb->data, skb->len, 0, rate);
else
- ret = wl1271_cmd_template_set(wl, CMD_TEMPL_CFG_PROBE_REQ_5,
+ ret = wl1271_cmd_template_set(wl, wlvif->role_id,
+ CMD_TEMPL_CFG_PROBE_REQ_5,
skb->data, skb->len, 0, rate);
if (ret < 0)
@@ -1199,32 +1213,34 @@ out:
return skb;
}
-int wl1271_cmd_build_arp_rsp(struct wl1271 *wl, struct wl12xx_vif *wlvif,
- __be32 ip_addr)
+int wl1271_cmd_build_arp_rsp(struct wl1271 *wl, struct wl12xx_vif *wlvif)
{
- int ret;
+ int ret, extra;
+ u16 fc;
struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif);
- struct wl12xx_arp_rsp_template tmpl;
+ struct sk_buff *skb;
+ struct wl12xx_arp_rsp_template *tmpl;
struct ieee80211_hdr_3addr *hdr;
struct arphdr *arp_hdr;
- memset(&tmpl, 0, sizeof(tmpl));
+ skb = dev_alloc_skb(sizeof(*hdr) + sizeof(__le16) + sizeof(*tmpl) +
+ WL1271_EXTRA_SPACE_MAX);
+ if (!skb) {
+ wl1271_error("failed to allocate buffer for arp rsp template");
+ return -ENOMEM;
+ }
- /* mac80211 header */
- hdr = &tmpl.hdr;
- hdr->frame_control = cpu_to_le16(IEEE80211_FTYPE_DATA |
- IEEE80211_STYPE_DATA |
- IEEE80211_FCTL_TODS);
- memcpy(hdr->addr1, vif->bss_conf.bssid, ETH_ALEN);
- memcpy(hdr->addr2, vif->addr, ETH_ALEN);
- memset(hdr->addr3, 0xff, ETH_ALEN);
+ skb_reserve(skb, sizeof(*hdr) + WL1271_EXTRA_SPACE_MAX);
+
+ tmpl = (struct wl12xx_arp_rsp_template *)skb_put(skb, sizeof(*tmpl));
+ memset(tmpl, 0, sizeof(tmpl));
/* llc layer */
- memcpy(tmpl.llc_hdr, rfc1042_header, sizeof(rfc1042_header));
- tmpl.llc_type = cpu_to_be16(ETH_P_ARP);
+ memcpy(tmpl->llc_hdr, rfc1042_header, sizeof(rfc1042_header));
+ tmpl->llc_type = cpu_to_be16(ETH_P_ARP);
/* arp header */
- arp_hdr = &tmpl.arp_hdr;
+ arp_hdr = &tmpl->arp_hdr;
arp_hdr->ar_hrd = cpu_to_be16(ARPHRD_ETHER);
arp_hdr->ar_pro = cpu_to_be16(ETH_P_IP);
arp_hdr->ar_hln = ETH_ALEN;
@@ -1232,13 +1248,59 @@ int wl1271_cmd_build_arp_rsp(struct wl1271 *wl, struct wl12xx_vif *wlvif,
arp_hdr->ar_op = cpu_to_be16(ARPOP_REPLY);
/* arp payload */
- memcpy(tmpl.sender_hw, vif->addr, ETH_ALEN);
- tmpl.sender_ip = ip_addr;
+ memcpy(tmpl->sender_hw, vif->addr, ETH_ALEN);
+ tmpl->sender_ip = wlvif->ip_addr;
- ret = wl1271_cmd_template_set(wl, CMD_TEMPL_ARP_RSP,
- &tmpl, sizeof(tmpl), 0,
- wlvif->basic_rate);
+ /* encryption space */
+ switch (wlvif->encryption_type) {
+ case KEY_TKIP:
+ extra = WL1271_EXTRA_SPACE_TKIP;
+ break;
+ case KEY_AES:
+ extra = WL1271_EXTRA_SPACE_AES;
+ break;
+ case KEY_NONE:
+ case KEY_WEP:
+ case KEY_GEM:
+ extra = 0;
+ break;
+ default:
+ wl1271_warning("Unknown encryption type: %d",
+ wlvif->encryption_type);
+ ret = -EINVAL;
+ goto out;
+ }
+
+ if (extra) {
+ u8 *space = skb_push(skb, extra);
+ memset(space, 0, extra);
+ }
+
+ /* QoS header - BE */
+ if (wlvif->sta.qos)
+ memset(skb_push(skb, sizeof(__le16)), 0, sizeof(__le16));
+ /* mac80211 header */
+ hdr = (struct ieee80211_hdr_3addr *)skb_push(skb, sizeof(*hdr));
+ memset(hdr, 0, sizeof(hdr));
+ fc = IEEE80211_FTYPE_DATA | IEEE80211_FCTL_TODS;
+ if (wlvif->sta.qos)
+ fc |= IEEE80211_STYPE_QOS_DATA;
+ else
+ fc |= IEEE80211_STYPE_DATA;
+ if (wlvif->encryption_type != KEY_NONE)
+ fc |= IEEE80211_FCTL_PROTECTED;
+
+ hdr->frame_control = cpu_to_le16(fc);
+ memcpy(hdr->addr1, vif->bss_conf.bssid, ETH_ALEN);
+ memcpy(hdr->addr2, vif->addr, ETH_ALEN);
+ memset(hdr->addr3, 0xff, ETH_ALEN);
+
+ ret = wl1271_cmd_template_set(wl, wlvif->role_id, CMD_TEMPL_ARP_RSP,
+ skb->data, skb->len, 0,
+ wlvif->basic_rate);
+out:
+ dev_kfree_skb(skb);
return ret;
}
@@ -1260,7 +1322,8 @@ int wl1271_build_qos_null_data(struct wl1271 *wl, struct ieee80211_vif *vif)
/* FIXME: not sure what priority to use here */
template.qos_ctrl = cpu_to_le16(0);
- return wl1271_cmd_template_set(wl, CMD_TEMPL_QOS_NULL_DATA, &template,
+ return wl1271_cmd_template_set(wl, wlvif->role_id,
+ CMD_TEMPL_QOS_NULL_DATA, &template,
sizeof(template), 0,
wlvif->basic_rate);
}
@@ -1744,6 +1807,7 @@ out:
}
int wl12xx_cmd_channel_switch(struct wl1271 *wl,
+ struct wl12xx_vif *wlvif,
struct ieee80211_channel_switch *ch_switch)
{
struct wl12xx_cmd_channel_switch *cmd;
@@ -1757,10 +1821,13 @@ int wl12xx_cmd_channel_switch(struct wl1271 *wl,
goto out;
}
+ cmd->role_id = wlvif->role_id;
cmd->channel = ch_switch->channel->hw_value;
cmd->switch_time = ch_switch->count;
- cmd->tx_suspend = ch_switch->block_tx;
- cmd->flush = 0; /* this value is ignored by the FW */
+ cmd->stop_tx = ch_switch->block_tx;
+
+ /* FIXME: control from mac80211 in the future */
+ cmd->post_switch_tx_disable = 0; /* Enable TX on the target channel */
ret = wl1271_cmd_send(wl, CMD_CHANNEL_SWITCH, cmd, sizeof(*cmd), 0);
if (ret < 0) {
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