static int wl1251_build_null_data(struct wl1251 *wl)
{
struct sk_buff *skb = NULL;
int size;
void *ptr;
int ret = -ENOMEM;
if (wl->bss_type == BSS_TYPE_IBSS) {
size = sizeof(struct wl12xx_null_data_template);
ptr = NULL;
} else {
skb = ieee80211_nullfunc_get(wl->hw, wl->vif);
if (!skb)
goto out;
size = skb->len;
ptr = skb->data;
}
ret = wl1251_cmd_template_set(wl, CMD_NULL_DATA, ptr, size);
out:
dev_kfree_skb(skb);
if (ret)
wl1251_warning("cmd buld null data failed %d", ret);
return ret;
}
int wl1251_hw_init_templates_config(struct wl1251 *wl)
{
int ret;
u8 partial_vbm[PARTIAL_VBM_MAX];
/* send empty templates for fw memory reservation */
ret = wl1251_cmd_template_set(wl, CMD_PROBE_REQ, NULL,
sizeof(struct wl12xx_probe_req_template));
if (ret < 0)
return ret;
ret = wl1251_cmd_template_set(wl, CMD_NULL_DATA, NULL,
sizeof(struct wl12xx_null_data_template));
if (ret < 0)
return ret;
ret = wl1251_cmd_template_set(wl, CMD_PS_POLL, NULL,
sizeof(struct wl12xx_ps_poll_template));
if (ret < 0)
return ret;
ret = wl1251_cmd_template_set(wl, CMD_QOS_NULL_DATA, NULL,
sizeof
(struct wl12xx_qos_null_data_template));
if (ret < 0)
return ret;
ret = wl1251_cmd_template_set(wl, CMD_PROBE_RESP, NULL,
sizeof
(struct wl12xx_probe_resp_template));
if (ret < 0)
return ret;
ret = wl1251_cmd_template_set(wl, CMD_BEACON, NULL,
sizeof
(struct wl12xx_beacon_template));
if (ret < 0)
return ret;
/* tim templates, first reserve space then allocate an empty one */
memset(partial_vbm, 0, PARTIAL_VBM_MAX);
ret = wl1251_cmd_vbm(wl, TIM_ELE_ID, partial_vbm, PARTIAL_VBM_MAX, 0);
if (ret < 0)
return ret;
ret = wl1251_cmd_vbm(wl, TIM_ELE_ID, partial_vbm, 1, 0);
if (ret < 0)
return ret;
return 0;
}
int wl1251_hw_init_templates_config(struct wl1251 *wl)
{
int ret;
u8 partial_vbm[PARTIAL_VBM_MAX];
ret = wl1251_cmd_template_set(wl, CMD_PROBE_REQ, NULL,
sizeof(struct wl12xx_probe_req_template));
if (ret < 0)
return ret;
ret = wl1251_cmd_template_set(wl, CMD_NULL_DATA, NULL,
sizeof(struct wl12xx_null_data_template));
if (ret < 0)
return ret;
ret = wl1251_cmd_template_set(wl, CMD_PS_POLL, NULL,
sizeof(struct wl12xx_ps_poll_template));
if (ret < 0)
return ret;
ret = wl1251_cmd_template_set(wl, CMD_QOS_NULL_DATA, NULL,
sizeof
(struct wl12xx_qos_null_data_template));
if (ret < 0)
return ret;
ret = wl1251_cmd_template_set(wl, CMD_PROBE_RESP, NULL,
sizeof
(struct wl12xx_probe_resp_template));
if (ret < 0)
return ret;
ret = wl1251_cmd_template_set(wl, CMD_BEACON, NULL,
sizeof
(struct wl12xx_beacon_template));
if (ret < 0)
return ret;
memset(partial_vbm, 0, PARTIAL_VBM_MAX);
ret = wl1251_cmd_vbm(wl, TIM_ELE_ID, partial_vbm, PARTIAL_VBM_MAX, 0);
if (ret < 0)
return ret;
ret = wl1251_cmd_vbm(wl, TIM_ELE_ID, partial_vbm, 1, 0);
if (ret < 0)
return ret;
return 0;
}
