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wmi.c
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wmi.c
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// SPDX-License-Identifier: BSD-3-Clause-Clear
/*
* Copyright (c) 2018-2021 The Linux Foundation. All rights reserved.
* Copyright (c) 2021-2022 Qualcomm Innovation Center, Inc. All rights reserved.
*/
#include <linux/skbuff.h>
#include <linux/ctype.h>
#include <net/mac80211.h>
#include <net/cfg80211.h>
#include <linux/completion.h>
#include <linux/if_ether.h>
#include <linux/types.h>
#include <linux/pci.h>
#include <linux/uuid.h>
#include <linux/time.h>
#include <linux/of.h>
#include "core.h"
#include "debug.h"
#include "mac.h"
#include "hw.h"
#include "peer.h"
struct ath12k_wmi_svc_ready_parse {
bool wmi_svc_bitmap_done;
};
struct ath12k_wmi_dma_ring_caps_parse {
struct ath12k_wmi_dma_ring_caps_params *dma_ring_caps;
u32 n_dma_ring_caps;
};
struct ath12k_wmi_service_ext_arg {
u32 default_conc_scan_config_bits;
u32 default_fw_config_bits;
struct ath12k_wmi_ppe_threshold_arg ppet;
u32 he_cap_info;
u32 mpdu_density;
u32 max_bssid_rx_filters;
u32 num_hw_modes;
u32 num_phy;
};
struct ath12k_wmi_svc_rdy_ext_parse {
struct ath12k_wmi_service_ext_arg arg;
const struct ath12k_wmi_soc_mac_phy_hw_mode_caps_params *hw_caps;
const struct ath12k_wmi_hw_mode_cap_params *hw_mode_caps;
u32 n_hw_mode_caps;
u32 tot_phy_id;
struct ath12k_wmi_hw_mode_cap_params pref_hw_mode_caps;
struct ath12k_wmi_mac_phy_caps_params *mac_phy_caps;
u32 n_mac_phy_caps;
const struct ath12k_wmi_soc_hal_reg_caps_params *soc_hal_reg_caps;
const struct ath12k_wmi_hal_reg_caps_ext_params *ext_hal_reg_caps;
u32 n_ext_hal_reg_caps;
struct ath12k_wmi_dma_ring_caps_parse dma_caps_parse;
bool hw_mode_done;
bool mac_phy_done;
bool ext_hal_reg_done;
bool mac_phy_chainmask_combo_done;
bool mac_phy_chainmask_cap_done;
bool oem_dma_ring_cap_done;
bool dma_ring_cap_done;
};
struct ath12k_wmi_svc_rdy_ext2_parse {
struct ath12k_wmi_dma_ring_caps_parse dma_caps_parse;
bool dma_ring_cap_done;
};
struct ath12k_wmi_rdy_parse {
u32 num_extra_mac_addr;
};
struct ath12k_wmi_dma_buf_release_arg {
struct ath12k_wmi_dma_buf_release_fixed_params fixed;
const struct ath12k_wmi_dma_buf_release_entry_params *buf_entry;
const struct ath12k_wmi_dma_buf_release_meta_data_params *meta_data;
u32 num_buf_entry;
u32 num_meta;
bool buf_entry_done;
bool meta_data_done;
};
struct ath12k_wmi_tlv_policy {
size_t min_len;
};
struct wmi_tlv_mgmt_rx_parse {
const struct ath12k_wmi_mgmt_rx_params *fixed;
const u8 *frame_buf;
bool frame_buf_done;
};
static const struct ath12k_wmi_tlv_policy ath12k_wmi_tlv_policies[] = {
[WMI_TAG_ARRAY_BYTE] = { .min_len = 0 },
[WMI_TAG_ARRAY_UINT32] = { .min_len = 0 },
[WMI_TAG_SERVICE_READY_EVENT] = {
.min_len = sizeof(struct wmi_service_ready_event) },
[WMI_TAG_SERVICE_READY_EXT_EVENT] = {
.min_len = sizeof(struct wmi_service_ready_ext_event) },
[WMI_TAG_SOC_MAC_PHY_HW_MODE_CAPS] = {
.min_len = sizeof(struct ath12k_wmi_soc_mac_phy_hw_mode_caps_params) },
[WMI_TAG_SOC_HAL_REG_CAPABILITIES] = {
.min_len = sizeof(struct ath12k_wmi_soc_hal_reg_caps_params) },
[WMI_TAG_VDEV_START_RESPONSE_EVENT] = {
.min_len = sizeof(struct wmi_vdev_start_resp_event) },
[WMI_TAG_PEER_DELETE_RESP_EVENT] = {
.min_len = sizeof(struct wmi_peer_delete_resp_event) },
[WMI_TAG_OFFLOAD_BCN_TX_STATUS_EVENT] = {
.min_len = sizeof(struct wmi_bcn_tx_status_event) },
[WMI_TAG_VDEV_STOPPED_EVENT] = {
.min_len = sizeof(struct wmi_vdev_stopped_event) },
[WMI_TAG_REG_CHAN_LIST_CC_EXT_EVENT] = {
.min_len = sizeof(struct wmi_reg_chan_list_cc_ext_event) },
[WMI_TAG_MGMT_RX_HDR] = {
.min_len = sizeof(struct ath12k_wmi_mgmt_rx_params) },
[WMI_TAG_MGMT_TX_COMPL_EVENT] = {
.min_len = sizeof(struct wmi_mgmt_tx_compl_event) },
[WMI_TAG_SCAN_EVENT] = {
.min_len = sizeof(struct wmi_scan_event) },
[WMI_TAG_PEER_STA_KICKOUT_EVENT] = {
.min_len = sizeof(struct wmi_peer_sta_kickout_event) },
[WMI_TAG_ROAM_EVENT] = {
.min_len = sizeof(struct wmi_roam_event) },
[WMI_TAG_CHAN_INFO_EVENT] = {
.min_len = sizeof(struct wmi_chan_info_event) },
[WMI_TAG_PDEV_BSS_CHAN_INFO_EVENT] = {
.min_len = sizeof(struct wmi_pdev_bss_chan_info_event) },
[WMI_TAG_VDEV_INSTALL_KEY_COMPLETE_EVENT] = {
.min_len = sizeof(struct wmi_vdev_install_key_compl_event) },
[WMI_TAG_READY_EVENT] = {
.min_len = sizeof(struct ath12k_wmi_ready_event_min_params) },
[WMI_TAG_SERVICE_AVAILABLE_EVENT] = {
.min_len = sizeof(struct wmi_service_available_event) },
[WMI_TAG_PEER_ASSOC_CONF_EVENT] = {
.min_len = sizeof(struct wmi_peer_assoc_conf_event) },
[WMI_TAG_PDEV_CTL_FAILSAFE_CHECK_EVENT] = {
.min_len = sizeof(struct wmi_pdev_ctl_failsafe_chk_event) },
[WMI_TAG_HOST_SWFDA_EVENT] = {
.min_len = sizeof(struct wmi_fils_discovery_event) },
[WMI_TAG_OFFLOAD_PRB_RSP_TX_STATUS_EVENT] = {
.min_len = sizeof(struct wmi_probe_resp_tx_status_event) },
[WMI_TAG_VDEV_DELETE_RESP_EVENT] = {
.min_len = sizeof(struct wmi_vdev_delete_resp_event) },
};
static __le32 ath12k_wmi_tlv_hdr(u32 cmd, u32 len)
{
return le32_encode_bits(cmd, WMI_TLV_TAG) |
le32_encode_bits(len, WMI_TLV_LEN);
}
static __le32 ath12k_wmi_tlv_cmd_hdr(u32 cmd, u32 len)
{
return ath12k_wmi_tlv_hdr(cmd, len - TLV_HDR_SIZE);
}
void ath12k_wmi_init_qcn9274(struct ath12k_base *ab,
struct ath12k_wmi_resource_config_arg *config)
{
config->num_vdevs = ab->num_radios * TARGET_NUM_VDEVS;
if (ab->num_radios == 2) {
config->num_peers = TARGET_NUM_PEERS(DBS);
config->num_tids = TARGET_NUM_TIDS(DBS);
} else if (ab->num_radios == 3) {
config->num_peers = TARGET_NUM_PEERS(DBS_SBS);
config->num_tids = TARGET_NUM_TIDS(DBS_SBS);
} else {
/* Control should not reach here */
config->num_peers = TARGET_NUM_PEERS(SINGLE);
config->num_tids = TARGET_NUM_TIDS(SINGLE);
}
config->num_offload_peers = TARGET_NUM_OFFLD_PEERS;
config->num_offload_reorder_buffs = TARGET_NUM_OFFLD_REORDER_BUFFS;
config->num_peer_keys = TARGET_NUM_PEER_KEYS;
config->ast_skid_limit = TARGET_AST_SKID_LIMIT;
config->tx_chain_mask = (1 << ab->target_caps.num_rf_chains) - 1;
config->rx_chain_mask = (1 << ab->target_caps.num_rf_chains) - 1;
config->rx_timeout_pri[0] = TARGET_RX_TIMEOUT_LO_PRI;
config->rx_timeout_pri[1] = TARGET_RX_TIMEOUT_LO_PRI;
config->rx_timeout_pri[2] = TARGET_RX_TIMEOUT_LO_PRI;
config->rx_timeout_pri[3] = TARGET_RX_TIMEOUT_HI_PRI;
if (test_bit(ATH12K_FLAG_RAW_MODE, &ab->dev_flags))
config->rx_decap_mode = TARGET_DECAP_MODE_RAW;
else
config->rx_decap_mode = TARGET_DECAP_MODE_NATIVE_WIFI;
config->scan_max_pending_req = TARGET_SCAN_MAX_PENDING_REQS;
config->bmiss_offload_max_vdev = TARGET_BMISS_OFFLOAD_MAX_VDEV;
config->roam_offload_max_vdev = TARGET_ROAM_OFFLOAD_MAX_VDEV;
config->roam_offload_max_ap_profiles = TARGET_ROAM_OFFLOAD_MAX_AP_PROFILES;
config->num_mcast_groups = TARGET_NUM_MCAST_GROUPS;
config->num_mcast_table_elems = TARGET_NUM_MCAST_TABLE_ELEMS;
config->mcast2ucast_mode = TARGET_MCAST2UCAST_MODE;
config->tx_dbg_log_size = TARGET_TX_DBG_LOG_SIZE;
config->num_wds_entries = TARGET_NUM_WDS_ENTRIES;
config->dma_burst_size = TARGET_DMA_BURST_SIZE;
config->rx_skip_defrag_timeout_dup_detection_check =
TARGET_RX_SKIP_DEFRAG_TIMEOUT_DUP_DETECTION_CHECK;
config->vow_config = TARGET_VOW_CONFIG;
config->gtk_offload_max_vdev = TARGET_GTK_OFFLOAD_MAX_VDEV;
config->num_msdu_desc = TARGET_NUM_MSDU_DESC;
config->beacon_tx_offload_max_vdev = ab->num_radios * TARGET_MAX_BCN_OFFLD;
config->rx_batchmode = TARGET_RX_BATCHMODE;
/* Indicates host supports peer map v3 and unmap v2 support */
config->peer_map_unmap_version = 0x32;
config->twt_ap_pdev_count = ab->num_radios;
config->twt_ap_sta_count = 1000;
}
void ath12k_wmi_init_wcn7850(struct ath12k_base *ab,
struct ath12k_wmi_resource_config_arg *config)
{
config->num_vdevs = 4;
config->num_peers = 16;
config->num_tids = 32;
config->num_offload_peers = 3;
config->num_offload_reorder_buffs = 3;
config->num_peer_keys = TARGET_NUM_PEER_KEYS;
config->ast_skid_limit = TARGET_AST_SKID_LIMIT;
config->tx_chain_mask = (1 << ab->target_caps.num_rf_chains) - 1;
config->rx_chain_mask = (1 << ab->target_caps.num_rf_chains) - 1;
config->rx_timeout_pri[0] = TARGET_RX_TIMEOUT_LO_PRI;
config->rx_timeout_pri[1] = TARGET_RX_TIMEOUT_LO_PRI;
config->rx_timeout_pri[2] = TARGET_RX_TIMEOUT_LO_PRI;
config->rx_timeout_pri[3] = TARGET_RX_TIMEOUT_HI_PRI;
config->rx_decap_mode = TARGET_DECAP_MODE_NATIVE_WIFI;
config->scan_max_pending_req = TARGET_SCAN_MAX_PENDING_REQS;
config->bmiss_offload_max_vdev = TARGET_BMISS_OFFLOAD_MAX_VDEV;
config->roam_offload_max_vdev = TARGET_ROAM_OFFLOAD_MAX_VDEV;
config->roam_offload_max_ap_profiles = TARGET_ROAM_OFFLOAD_MAX_AP_PROFILES;
config->num_mcast_groups = 0;
config->num_mcast_table_elems = 0;
config->mcast2ucast_mode = 0;
config->tx_dbg_log_size = TARGET_TX_DBG_LOG_SIZE;
config->num_wds_entries = 0;
config->dma_burst_size = 0;
config->rx_skip_defrag_timeout_dup_detection_check = 0;
config->vow_config = TARGET_VOW_CONFIG;
config->gtk_offload_max_vdev = 2;
config->num_msdu_desc = 0x400;
config->beacon_tx_offload_max_vdev = 2;
config->rx_batchmode = TARGET_RX_BATCHMODE;
config->peer_map_unmap_version = 0x1;
config->use_pdev_id = 1;
config->max_frag_entries = 0xa;
config->num_tdls_vdevs = 0x1;
config->num_tdls_conn_table_entries = 8;
config->beacon_tx_offload_max_vdev = 0x2;
config->num_multicast_filter_entries = 0x20;
config->num_wow_filters = 0x16;
config->num_keep_alive_pattern = 0;
}
#define PRIMAP(_hw_mode_) \
[_hw_mode_] = _hw_mode_##_PRI
static const int ath12k_hw_mode_pri_map[] = {
PRIMAP(WMI_HOST_HW_MODE_SINGLE),
PRIMAP(WMI_HOST_HW_MODE_DBS),
PRIMAP(WMI_HOST_HW_MODE_SBS_PASSIVE),
PRIMAP(WMI_HOST_HW_MODE_SBS),
PRIMAP(WMI_HOST_HW_MODE_DBS_SBS),
PRIMAP(WMI_HOST_HW_MODE_DBS_OR_SBS),
/* keep last */
PRIMAP(WMI_HOST_HW_MODE_MAX),
};
static int
ath12k_wmi_tlv_iter(struct ath12k_base *ab, const void *ptr, size_t len,
int (*iter)(struct ath12k_base *ab, u16 tag, u16 len,
const void *ptr, void *data),
void *data)
{
const void *begin = ptr;
const struct wmi_tlv *tlv;
u16 tlv_tag, tlv_len;
int ret;
while (len > 0) {
if (len < sizeof(*tlv)) {
ath12k_err(ab, "wmi tlv parse failure at byte %zd (%zu bytes left, %zu expected)\n",
ptr - begin, len, sizeof(*tlv));
return -EINVAL;
}
tlv = ptr;
tlv_tag = le32_get_bits(tlv->header, WMI_TLV_TAG);
tlv_len = le32_get_bits(tlv->header, WMI_TLV_LEN);
ptr += sizeof(*tlv);
len -= sizeof(*tlv);
if (tlv_len > len) {
ath12k_err(ab, "wmi tlv parse failure of tag %u at byte %zd (%zu bytes left, %u expected)\n",
tlv_tag, ptr - begin, len, tlv_len);
return -EINVAL;
}
if (tlv_tag < ARRAY_SIZE(ath12k_wmi_tlv_policies) &&
ath12k_wmi_tlv_policies[tlv_tag].min_len &&
ath12k_wmi_tlv_policies[tlv_tag].min_len > tlv_len) {
ath12k_err(ab, "wmi tlv parse failure of tag %u at byte %zd (%u bytes is less than min length %zu)\n",
tlv_tag, ptr - begin, tlv_len,
ath12k_wmi_tlv_policies[tlv_tag].min_len);
return -EINVAL;
}
ret = iter(ab, tlv_tag, tlv_len, ptr, data);
if (ret)
return ret;
ptr += tlv_len;
len -= tlv_len;
}
return 0;
}
static int ath12k_wmi_tlv_iter_parse(struct ath12k_base *ab, u16 tag, u16 len,
const void *ptr, void *data)
{
const void **tb = data;
if (tag < WMI_TAG_MAX)
tb[tag] = ptr;
return 0;
}
static int ath12k_wmi_tlv_parse(struct ath12k_base *ar, const void **tb,
const void *ptr, size_t len)
{
return ath12k_wmi_tlv_iter(ar, ptr, len, ath12k_wmi_tlv_iter_parse,
(void *)tb);
}
static const void **
ath12k_wmi_tlv_parse_alloc(struct ath12k_base *ab, const void *ptr,
size_t len, gfp_t gfp)
{
const void **tb;
int ret;
tb = kcalloc(WMI_TAG_MAX, sizeof(*tb), gfp);
if (!tb)
return ERR_PTR(-ENOMEM);
ret = ath12k_wmi_tlv_parse(ab, tb, ptr, len);
if (ret) {
kfree(tb);
return ERR_PTR(ret);
}
return tb;
}
static int ath12k_wmi_cmd_send_nowait(struct ath12k_wmi_pdev *wmi, struct sk_buff *skb,
u32 cmd_id)
{
struct ath12k_skb_cb *skb_cb = ATH12K_SKB_CB(skb);
struct ath12k_base *ab = wmi->wmi_ab->ab;
struct wmi_cmd_hdr *cmd_hdr;
int ret;
if (!skb_push(skb, sizeof(struct wmi_cmd_hdr)))
return -ENOMEM;
cmd_hdr = (struct wmi_cmd_hdr *)skb->data;
cmd_hdr->cmd_id = le32_encode_bits(cmd_id, WMI_CMD_HDR_CMD_ID);
memset(skb_cb, 0, sizeof(*skb_cb));
ret = ath12k_htc_send(&ab->htc, wmi->eid, skb);
if (ret)
goto err_pull;
return 0;
err_pull:
skb_pull(skb, sizeof(struct wmi_cmd_hdr));
return ret;
}
int ath12k_wmi_cmd_send(struct ath12k_wmi_pdev *wmi, struct sk_buff *skb,
u32 cmd_id)
{
struct ath12k_wmi_base *wmi_sc = wmi->wmi_ab;
int ret = -EOPNOTSUPP;
might_sleep();
wait_event_timeout(wmi_sc->tx_credits_wq, ({
ret = ath12k_wmi_cmd_send_nowait(wmi, skb, cmd_id);
if (ret && test_bit(ATH12K_FLAG_CRASH_FLUSH, &wmi_sc->ab->dev_flags))
ret = -ESHUTDOWN;
(ret != -EAGAIN);
}), WMI_SEND_TIMEOUT_HZ);
if (ret == -EAGAIN)
ath12k_warn(wmi_sc->ab, "wmi command %d timeout\n", cmd_id);
return ret;
}
static int ath12k_pull_svc_ready_ext(struct ath12k_wmi_pdev *wmi_handle,
const void *ptr,
struct ath12k_wmi_service_ext_arg *arg)
{
const struct wmi_service_ready_ext_event *ev = ptr;
int i;
if (!ev)
return -EINVAL;
/* Move this to host based bitmap */
arg->default_conc_scan_config_bits =
le32_to_cpu(ev->default_conc_scan_config_bits);
arg->default_fw_config_bits = le32_to_cpu(ev->default_fw_config_bits);
arg->he_cap_info = le32_to_cpu(ev->he_cap_info);
arg->mpdu_density = le32_to_cpu(ev->mpdu_density);
arg->max_bssid_rx_filters = le32_to_cpu(ev->max_bssid_rx_filters);
arg->ppet.numss_m1 = le32_to_cpu(ev->ppet.numss_m1);
arg->ppet.ru_bit_mask = le32_to_cpu(ev->ppet.ru_info);
for (i = 0; i < WMI_MAX_NUM_SS; i++)
arg->ppet.ppet16_ppet8_ru3_ru0[i] =
le32_to_cpu(ev->ppet.ppet16_ppet8_ru3_ru0[i]);
return 0;
}
static int
ath12k_pull_mac_phy_cap_svc_ready_ext(struct ath12k_wmi_pdev *wmi_handle,
struct ath12k_wmi_svc_rdy_ext_parse *svc,
u8 hw_mode_id, u8 phy_id,
struct ath12k_pdev *pdev)
{
const struct ath12k_wmi_mac_phy_caps_params *mac_caps;
const struct ath12k_wmi_soc_mac_phy_hw_mode_caps_params *hw_caps = svc->hw_caps;
const struct ath12k_wmi_hw_mode_cap_params *wmi_hw_mode_caps = svc->hw_mode_caps;
const struct ath12k_wmi_mac_phy_caps_params *wmi_mac_phy_caps = svc->mac_phy_caps;
struct ath12k_band_cap *cap_band;
struct ath12k_pdev_cap *pdev_cap = &pdev->cap;
u32 phy_map;
u32 hw_idx, phy_idx = 0;
int i;
if (!hw_caps || !wmi_hw_mode_caps || !svc->soc_hal_reg_caps)
return -EINVAL;
for (hw_idx = 0; hw_idx < le32_to_cpu(hw_caps->num_hw_modes); hw_idx++) {
if (hw_mode_id == le32_to_cpu(wmi_hw_mode_caps[hw_idx].hw_mode_id))
break;
phy_map = le32_to_cpu(wmi_hw_mode_caps[hw_idx].phy_id_map);
phy_idx = fls(phy_map);
}
if (hw_idx == le32_to_cpu(hw_caps->num_hw_modes))
return -EINVAL;
phy_idx += phy_id;
if (phy_id >= le32_to_cpu(svc->soc_hal_reg_caps->num_phy))
return -EINVAL;
mac_caps = wmi_mac_phy_caps + phy_idx;
pdev->pdev_id = le32_to_cpu(mac_caps->pdev_id);
pdev_cap->supported_bands |= le32_to_cpu(mac_caps->supported_bands);
pdev_cap->ampdu_density = le32_to_cpu(mac_caps->ampdu_density);
/* Take non-zero tx/rx chainmask. If tx/rx chainmask differs from
* band to band for a single radio, need to see how this should be
* handled.
*/
if (le32_to_cpu(mac_caps->supported_bands) & WMI_HOST_WLAN_2G_CAP) {
pdev_cap->tx_chain_mask = le32_to_cpu(mac_caps->tx_chain_mask_2g);
pdev_cap->rx_chain_mask = le32_to_cpu(mac_caps->rx_chain_mask_2g);
} else if (le32_to_cpu(mac_caps->supported_bands) & WMI_HOST_WLAN_5G_CAP) {
pdev_cap->vht_cap = le32_to_cpu(mac_caps->vht_cap_info_5g);
pdev_cap->vht_mcs = le32_to_cpu(mac_caps->vht_supp_mcs_5g);
pdev_cap->he_mcs = le32_to_cpu(mac_caps->he_supp_mcs_5g);
pdev_cap->tx_chain_mask = le32_to_cpu(mac_caps->tx_chain_mask_5g);
pdev_cap->rx_chain_mask = le32_to_cpu(mac_caps->rx_chain_mask_5g);
} else {
return -EINVAL;
}
/* tx/rx chainmask reported from fw depends on the actual hw chains used,
* For example, for 4x4 capable macphys, first 4 chains can be used for first
* mac and the remaining 4 chains can be used for the second mac or vice-versa.
* In this case, tx/rx chainmask 0xf will be advertised for first mac and 0xf0
* will be advertised for second mac or vice-versa. Compute the shift value
* for tx/rx chainmask which will be used to advertise supported ht/vht rates to
* mac80211.
*/
pdev_cap->tx_chain_mask_shift =
find_first_bit((unsigned long *)&pdev_cap->tx_chain_mask, 32);
pdev_cap->rx_chain_mask_shift =
find_first_bit((unsigned long *)&pdev_cap->rx_chain_mask, 32);
if (le32_to_cpu(mac_caps->supported_bands) & WMI_HOST_WLAN_2G_CAP) {
cap_band = &pdev_cap->band[NL80211_BAND_2GHZ];
cap_band->phy_id = le32_to_cpu(mac_caps->phy_id);
cap_band->max_bw_supported = le32_to_cpu(mac_caps->max_bw_supported_2g);
cap_band->ht_cap_info = le32_to_cpu(mac_caps->ht_cap_info_2g);
cap_band->he_cap_info[0] = le32_to_cpu(mac_caps->he_cap_info_2g);
cap_band->he_cap_info[1] = le32_to_cpu(mac_caps->he_cap_info_2g_ext);
cap_band->he_mcs = le32_to_cpu(mac_caps->he_supp_mcs_2g);
for (i = 0; i < WMI_MAX_HECAP_PHY_SIZE; i++)
cap_band->he_cap_phy_info[i] =
le32_to_cpu(mac_caps->he_cap_phy_info_2g[i]);
cap_band->he_ppet.numss_m1 = le32_to_cpu(mac_caps->he_ppet2g.numss_m1);
cap_band->he_ppet.ru_bit_mask = le32_to_cpu(mac_caps->he_ppet2g.ru_info);
for (i = 0; i < WMI_MAX_NUM_SS; i++)
cap_band->he_ppet.ppet16_ppet8_ru3_ru0[i] =
le32_to_cpu(mac_caps->he_ppet2g.ppet16_ppet8_ru3_ru0[i]);
}
if (le32_to_cpu(mac_caps->supported_bands) & WMI_HOST_WLAN_5G_CAP) {
cap_band = &pdev_cap->band[NL80211_BAND_5GHZ];
cap_band->phy_id = le32_to_cpu(mac_caps->phy_id);
cap_band->max_bw_supported =
le32_to_cpu(mac_caps->max_bw_supported_5g);
cap_band->ht_cap_info = le32_to_cpu(mac_caps->ht_cap_info_5g);
cap_band->he_cap_info[0] = le32_to_cpu(mac_caps->he_cap_info_5g);
cap_band->he_cap_info[1] = le32_to_cpu(mac_caps->he_cap_info_5g_ext);
cap_band->he_mcs = le32_to_cpu(mac_caps->he_supp_mcs_5g);
for (i = 0; i < WMI_MAX_HECAP_PHY_SIZE; i++)
cap_band->he_cap_phy_info[i] =
le32_to_cpu(mac_caps->he_cap_phy_info_5g[i]);
cap_band->he_ppet.numss_m1 = le32_to_cpu(mac_caps->he_ppet5g.numss_m1);
cap_band->he_ppet.ru_bit_mask = le32_to_cpu(mac_caps->he_ppet5g.ru_info);
for (i = 0; i < WMI_MAX_NUM_SS; i++)
cap_band->he_ppet.ppet16_ppet8_ru3_ru0[i] =
le32_to_cpu(mac_caps->he_ppet5g.ppet16_ppet8_ru3_ru0[i]);
cap_band = &pdev_cap->band[NL80211_BAND_6GHZ];
cap_band->max_bw_supported =
le32_to_cpu(mac_caps->max_bw_supported_5g);
cap_band->ht_cap_info = le32_to_cpu(mac_caps->ht_cap_info_5g);
cap_band->he_cap_info[0] = le32_to_cpu(mac_caps->he_cap_info_5g);
cap_band->he_cap_info[1] = le32_to_cpu(mac_caps->he_cap_info_5g_ext);
cap_band->he_mcs = le32_to_cpu(mac_caps->he_supp_mcs_5g);
for (i = 0; i < WMI_MAX_HECAP_PHY_SIZE; i++)
cap_band->he_cap_phy_info[i] =
le32_to_cpu(mac_caps->he_cap_phy_info_5g[i]);
cap_band->he_ppet.numss_m1 = le32_to_cpu(mac_caps->he_ppet5g.numss_m1);
cap_band->he_ppet.ru_bit_mask = le32_to_cpu(mac_caps->he_ppet5g.ru_info);
for (i = 0; i < WMI_MAX_NUM_SS; i++)
cap_band->he_ppet.ppet16_ppet8_ru3_ru0[i] =
le32_to_cpu(mac_caps->he_ppet5g.ppet16_ppet8_ru3_ru0[i]);
}
return 0;
}
static int
ath12k_pull_reg_cap_svc_rdy_ext(struct ath12k_wmi_pdev *wmi_handle,
const struct ath12k_wmi_soc_hal_reg_caps_params *reg_caps,
const struct ath12k_wmi_hal_reg_caps_ext_params *ext_caps,
u8 phy_idx,
struct ath12k_wmi_hal_reg_capabilities_ext_arg *param)
{
const struct ath12k_wmi_hal_reg_caps_ext_params *ext_reg_cap;
if (!reg_caps || !ext_caps)
return -EINVAL;
if (phy_idx >= le32_to_cpu(reg_caps->num_phy))
return -EINVAL;
ext_reg_cap = &ext_caps[phy_idx];
param->phy_id = le32_to_cpu(ext_reg_cap->phy_id);
param->eeprom_reg_domain = le32_to_cpu(ext_reg_cap->eeprom_reg_domain);
param->eeprom_reg_domain_ext =
le32_to_cpu(ext_reg_cap->eeprom_reg_domain_ext);
param->regcap1 = le32_to_cpu(ext_reg_cap->regcap1);
param->regcap2 = le32_to_cpu(ext_reg_cap->regcap2);
/* check if param->wireless_mode is needed */
param->low_2ghz_chan = le32_to_cpu(ext_reg_cap->low_2ghz_chan);
param->high_2ghz_chan = le32_to_cpu(ext_reg_cap->high_2ghz_chan);
param->low_5ghz_chan = le32_to_cpu(ext_reg_cap->low_5ghz_chan);
param->high_5ghz_chan = le32_to_cpu(ext_reg_cap->high_5ghz_chan);
return 0;
}
static int ath12k_pull_service_ready_tlv(struct ath12k_base *ab,
const void *evt_buf,
struct ath12k_wmi_target_cap_arg *cap)
{
const struct wmi_service_ready_event *ev = evt_buf;
if (!ev) {
ath12k_err(ab, "%s: failed by NULL param\n",
__func__);
return -EINVAL;
}
cap->phy_capability = le32_to_cpu(ev->phy_capability);
cap->max_frag_entry = le32_to_cpu(ev->max_frag_entry);
cap->num_rf_chains = le32_to_cpu(ev->num_rf_chains);
cap->ht_cap_info = le32_to_cpu(ev->ht_cap_info);
cap->vht_cap_info = le32_to_cpu(ev->vht_cap_info);
cap->vht_supp_mcs = le32_to_cpu(ev->vht_supp_mcs);
cap->hw_min_tx_power = le32_to_cpu(ev->hw_min_tx_power);
cap->hw_max_tx_power = le32_to_cpu(ev->hw_max_tx_power);
cap->sys_cap_info = le32_to_cpu(ev->sys_cap_info);
cap->min_pkt_size_enable = le32_to_cpu(ev->min_pkt_size_enable);
cap->max_bcn_ie_size = le32_to_cpu(ev->max_bcn_ie_size);
cap->max_num_scan_channels = le32_to_cpu(ev->max_num_scan_channels);
cap->max_supported_macs = le32_to_cpu(ev->max_supported_macs);
cap->wmi_fw_sub_feat_caps = le32_to_cpu(ev->wmi_fw_sub_feat_caps);
cap->txrx_chainmask = le32_to_cpu(ev->txrx_chainmask);
cap->default_dbs_hw_mode_index = le32_to_cpu(ev->default_dbs_hw_mode_index);
cap->num_msdu_desc = le32_to_cpu(ev->num_msdu_desc);
return 0;
}
/* Save the wmi_service_bitmap into a linear bitmap. The wmi_services in
* wmi_service ready event are advertised in b0-b3 (LSB 4-bits) of each
* 4-byte word.
*/
static void ath12k_wmi_service_bitmap_copy(struct ath12k_wmi_pdev *wmi,
const u32 *wmi_svc_bm)
{
int i, j;
for (i = 0, j = 0; i < WMI_SERVICE_BM_SIZE && j < WMI_MAX_SERVICE; i++) {
do {
if (wmi_svc_bm[i] & BIT(j % WMI_SERVICE_BITS_IN_SIZE32))
set_bit(j, wmi->wmi_ab->svc_map);
} while (++j % WMI_SERVICE_BITS_IN_SIZE32);
}
}
static int ath12k_wmi_svc_rdy_parse(struct ath12k_base *ab, u16 tag, u16 len,
const void *ptr, void *data)
{
struct ath12k_wmi_svc_ready_parse *svc_ready = data;
struct ath12k_wmi_pdev *wmi_handle = &ab->wmi_ab.wmi[0];
u16 expect_len;
switch (tag) {
case WMI_TAG_SERVICE_READY_EVENT:
if (ath12k_pull_service_ready_tlv(ab, ptr, &ab->target_caps))
return -EINVAL;
break;
case WMI_TAG_ARRAY_UINT32:
if (!svc_ready->wmi_svc_bitmap_done) {
expect_len = WMI_SERVICE_BM_SIZE * sizeof(u32);
if (len < expect_len) {
ath12k_warn(ab, "invalid len %d for the tag 0x%x\n",
len, tag);
return -EINVAL;
}
ath12k_wmi_service_bitmap_copy(wmi_handle, ptr);
svc_ready->wmi_svc_bitmap_done = true;
}
break;
default:
break;
}
return 0;
}
static int ath12k_service_ready_event(struct ath12k_base *ab, struct sk_buff *skb)
{
struct ath12k_wmi_svc_ready_parse svc_ready = { };
int ret;
ret = ath12k_wmi_tlv_iter(ab, skb->data, skb->len,
ath12k_wmi_svc_rdy_parse,
&svc_ready);
if (ret) {
ath12k_warn(ab, "failed to parse tlv %d\n", ret);
return ret;
}
return 0;
}
struct sk_buff *ath12k_wmi_alloc_skb(struct ath12k_wmi_base *wmi_sc, u32 len)
{
struct sk_buff *skb;
struct ath12k_base *ab = wmi_sc->ab;
u32 round_len = roundup(len, 4);
skb = ath12k_htc_alloc_skb(ab, WMI_SKB_HEADROOM + round_len);
if (!skb)
return NULL;
skb_reserve(skb, WMI_SKB_HEADROOM);
if (!IS_ALIGNED((unsigned long)skb->data, 4))
ath12k_warn(ab, "unaligned WMI skb data\n");
skb_put(skb, round_len);
memset(skb->data, 0, round_len);
return skb;
}
int ath12k_wmi_mgmt_send(struct ath12k *ar, u32 vdev_id, u32 buf_id,
struct sk_buff *frame)
{
struct ath12k_wmi_pdev *wmi = ar->wmi;
struct wmi_mgmt_send_cmd *cmd;
struct wmi_tlv *frame_tlv;
struct sk_buff *skb;
u32 buf_len;
int ret, len;
buf_len = min_t(int, frame->len, WMI_MGMT_SEND_DOWNLD_LEN);
len = sizeof(*cmd) + sizeof(*frame_tlv) + roundup(buf_len, 4);
skb = ath12k_wmi_alloc_skb(wmi->wmi_ab, len);
if (!skb)
return -ENOMEM;
cmd = (struct wmi_mgmt_send_cmd *)skb->data;
cmd->tlv_header = ath12k_wmi_tlv_cmd_hdr(WMI_TAG_MGMT_TX_SEND_CMD,
sizeof(*cmd));
cmd->vdev_id = cpu_to_le32(vdev_id);
cmd->desc_id = cpu_to_le32(buf_id);
cmd->chanfreq = 0;
cmd->paddr_lo = cpu_to_le32(lower_32_bits(ATH12K_SKB_CB(frame)->paddr));
cmd->paddr_hi = cpu_to_le32(upper_32_bits(ATH12K_SKB_CB(frame)->paddr));
cmd->frame_len = cpu_to_le32(frame->len);
cmd->buf_len = cpu_to_le32(buf_len);
cmd->tx_params_valid = 0;
frame_tlv = (struct wmi_tlv *)(skb->data + sizeof(*cmd));
frame_tlv->header = ath12k_wmi_tlv_hdr(WMI_TAG_ARRAY_BYTE, buf_len);
memcpy(frame_tlv->value, frame->data, buf_len);
ret = ath12k_wmi_cmd_send(wmi, skb, WMI_MGMT_TX_SEND_CMDID);
if (ret) {
ath12k_warn(ar->ab,
"failed to submit WMI_MGMT_TX_SEND_CMDID cmd\n");
dev_kfree_skb(skb);
}
return ret;
}
int ath12k_wmi_vdev_create(struct ath12k *ar, u8 *macaddr,
struct ath12k_wmi_vdev_create_arg *args)
{
struct ath12k_wmi_pdev *wmi = ar->wmi;
struct wmi_vdev_create_cmd *cmd;
struct sk_buff *skb;
struct ath12k_wmi_vdev_txrx_streams_params *txrx_streams;
struct wmi_tlv *tlv;
int ret, len;
void *ptr;
/* It can be optimized my sending tx/rx chain configuration
* only for supported bands instead of always sending it for
* both the bands.
*/
len = sizeof(*cmd) + TLV_HDR_SIZE +
(WMI_NUM_SUPPORTED_BAND_MAX * sizeof(*txrx_streams));
skb = ath12k_wmi_alloc_skb(wmi->wmi_ab, len);
if (!skb)
return -ENOMEM;
cmd = (struct wmi_vdev_create_cmd *)skb->data;
cmd->tlv_header = ath12k_wmi_tlv_cmd_hdr(WMI_TAG_VDEV_CREATE_CMD,
sizeof(*cmd));
cmd->vdev_id = cpu_to_le32(args->if_id);
cmd->vdev_type = cpu_to_le32(args->type);
cmd->vdev_subtype = cpu_to_le32(args->subtype);
cmd->num_cfg_txrx_streams = cpu_to_le32(WMI_NUM_SUPPORTED_BAND_MAX);
cmd->pdev_id = cpu_to_le32(args->pdev_id);
cmd->vdev_stats_id = cpu_to_le32(args->if_stats_id);
ether_addr_copy(cmd->vdev_macaddr.addr, macaddr);
ptr = skb->data + sizeof(*cmd);
len = WMI_NUM_SUPPORTED_BAND_MAX * sizeof(*txrx_streams);
tlv = ptr;
tlv->header = ath12k_wmi_tlv_hdr(WMI_TAG_ARRAY_STRUCT, len);
ptr += TLV_HDR_SIZE;
txrx_streams = ptr;
len = sizeof(*txrx_streams);
txrx_streams->tlv_header = ath12k_wmi_tlv_cmd_hdr(WMI_TAG_VDEV_TXRX_STREAMS,
len);
txrx_streams->band = WMI_TPC_CHAINMASK_CONFIG_BAND_2G;
txrx_streams->supported_tx_streams =
args->chains[NL80211_BAND_2GHZ].tx;
txrx_streams->supported_rx_streams =
args->chains[NL80211_BAND_2GHZ].rx;
txrx_streams++;
txrx_streams->tlv_header = ath12k_wmi_tlv_cmd_hdr(WMI_TAG_VDEV_TXRX_STREAMS,
len);
txrx_streams->band = WMI_TPC_CHAINMASK_CONFIG_BAND_5G;
txrx_streams->supported_tx_streams =
args->chains[NL80211_BAND_5GHZ].tx;
txrx_streams->supported_rx_streams =
args->chains[NL80211_BAND_5GHZ].rx;
ath12k_dbg(ar->ab, ATH12K_DBG_WMI,
"WMI vdev create: id %d type %d subtype %d macaddr %pM pdevid %d\n",
args->if_id, args->type, args->subtype,
macaddr, args->pdev_id);
ret = ath12k_wmi_cmd_send(wmi, skb, WMI_VDEV_CREATE_CMDID);
if (ret) {
ath12k_warn(ar->ab,
"failed to submit WMI_VDEV_CREATE_CMDID\n");
dev_kfree_skb(skb);
}
return ret;
}
int ath12k_wmi_vdev_delete(struct ath12k *ar, u8 vdev_id)
{
struct ath12k_wmi_pdev *wmi = ar->wmi;
struct wmi_vdev_delete_cmd *cmd;
struct sk_buff *skb;
int ret;
skb = ath12k_wmi_alloc_skb(wmi->wmi_ab, sizeof(*cmd));
if (!skb)
return -ENOMEM;
cmd = (struct wmi_vdev_delete_cmd *)skb->data;
cmd->tlv_header = ath12k_wmi_tlv_cmd_hdr(WMI_TAG_VDEV_DELETE_CMD,
sizeof(*cmd));
cmd->vdev_id = cpu_to_le32(vdev_id);
ath12k_dbg(ar->ab, ATH12K_DBG_WMI, "WMI vdev delete id %d\n", vdev_id);
ret = ath12k_wmi_cmd_send(wmi, skb, WMI_VDEV_DELETE_CMDID);
if (ret) {
ath12k_warn(ar->ab, "failed to submit WMI_VDEV_DELETE_CMDID\n");
dev_kfree_skb(skb);
}
return ret;
}
int ath12k_wmi_vdev_stop(struct ath12k *ar, u8 vdev_id)
{
struct ath12k_wmi_pdev *wmi = ar->wmi;
struct wmi_vdev_stop_cmd *cmd;
struct sk_buff *skb;
int ret;
skb = ath12k_wmi_alloc_skb(wmi->wmi_ab, sizeof(*cmd));
if (!skb)
return -ENOMEM;
cmd = (struct wmi_vdev_stop_cmd *)skb->data;
cmd->tlv_header = ath12k_wmi_tlv_cmd_hdr(WMI_TAG_VDEV_STOP_CMD,
sizeof(*cmd));
cmd->vdev_id = cpu_to_le32(vdev_id);
ath12k_dbg(ar->ab, ATH12K_DBG_WMI, "WMI vdev stop id 0x%x\n", vdev_id);
ret = ath12k_wmi_cmd_send(wmi, skb, WMI_VDEV_STOP_CMDID);
if (ret) {
ath12k_warn(ar->ab, "failed to submit WMI_VDEV_STOP cmd\n");
dev_kfree_skb(skb);
}
return ret;
}
int ath12k_wmi_vdev_down(struct ath12k *ar, u8 vdev_id)
{
struct ath12k_wmi_pdev *wmi = ar->wmi;
struct wmi_vdev_down_cmd *cmd;
struct sk_buff *skb;
int ret;
skb = ath12k_wmi_alloc_skb(wmi->wmi_ab, sizeof(*cmd));
if (!skb)
return -ENOMEM;
cmd = (struct wmi_vdev_down_cmd *)skb->data;
cmd->tlv_header = ath12k_wmi_tlv_cmd_hdr(WMI_TAG_VDEV_DOWN_CMD,
sizeof(*cmd));
cmd->vdev_id = cpu_to_le32(vdev_id);
ath12k_dbg(ar->ab, ATH12K_DBG_WMI, "WMI vdev down id 0x%x\n", vdev_id);
ret = ath12k_wmi_cmd_send(wmi, skb, WMI_VDEV_DOWN_CMDID);
if (ret) {
ath12k_warn(ar->ab, "failed to submit WMI_VDEV_DOWN cmd\n");
dev_kfree_skb(skb);
}
return ret;
}
static void ath12k_wmi_put_wmi_channel(struct ath12k_wmi_channel_params *chan,
struct wmi_vdev_start_req_arg *arg)
{
memset(chan, 0, sizeof(*chan));
chan->mhz = cpu_to_le32(arg->freq);
chan->band_center_freq1 = cpu_to_le32(arg->band_center_freq1);
if (arg->mode == MODE_11AC_VHT80_80)
chan->band_center_freq2 = cpu_to_le32(arg->band_center_freq2);
else
chan->band_center_freq2 = 0;
chan->info |= le32_encode_bits(arg->mode, WMI_CHAN_INFO_MODE);
if (arg->passive)
chan->info |= cpu_to_le32(WMI_CHAN_INFO_PASSIVE);
if (arg->allow_ibss)
chan->info |= cpu_to_le32(WMI_CHAN_INFO_ADHOC_ALLOWED);
if (arg->allow_ht)
chan->info |= cpu_to_le32(WMI_CHAN_INFO_ALLOW_HT);
if (arg->allow_vht)
chan->info |= cpu_to_le32(WMI_CHAN_INFO_ALLOW_VHT);
if (arg->allow_he)
chan->info |= cpu_to_le32(WMI_CHAN_INFO_ALLOW_HE);
if (arg->ht40plus)
chan->info |= cpu_to_le32(WMI_CHAN_INFO_HT40_PLUS);
if (arg->chan_radar)
chan->info |= cpu_to_le32(WMI_CHAN_INFO_DFS);
if (arg->freq2_radar)
chan->info |= cpu_to_le32(WMI_CHAN_INFO_DFS_FREQ2);
chan->reg_info_1 = le32_encode_bits(arg->max_power,
WMI_CHAN_REG_INFO1_MAX_PWR) |
le32_encode_bits(arg->max_reg_power,
WMI_CHAN_REG_INFO1_MAX_REG_PWR);
chan->reg_info_2 = le32_encode_bits(arg->max_antenna_gain,
WMI_CHAN_REG_INFO2_ANT_MAX) |
le32_encode_bits(arg->max_power, WMI_CHAN_REG_INFO2_MAX_TX_PWR);
}
int ath12k_wmi_vdev_start(struct ath12k *ar, struct wmi_vdev_start_req_arg *arg,
bool restart)
{
struct ath12k_wmi_pdev *wmi = ar->wmi;
struct wmi_vdev_start_request_cmd *cmd;
struct sk_buff *skb;
struct ath12k_wmi_channel_params *chan;
struct wmi_tlv *tlv;
void *ptr;
int ret, len;
if (WARN_ON(arg->ssid_len > sizeof(cmd->ssid.ssid)))
return -EINVAL;
len = sizeof(*cmd) + sizeof(*chan) + TLV_HDR_SIZE;
skb = ath12k_wmi_alloc_skb(wmi->wmi_ab, len);
if (!skb)
return -ENOMEM;
cmd = (struct wmi_vdev_start_request_cmd *)skb->data;
cmd->tlv_header = ath12k_wmi_tlv_cmd_hdr(WMI_TAG_VDEV_START_REQUEST_CMD,
sizeof(*cmd));
cmd->vdev_id = cpu_to_le32(arg->vdev_id);
cmd->beacon_interval = cpu_to_le32(arg->bcn_intval);
cmd->bcn_tx_rate = cpu_to_le32(arg->bcn_tx_rate);
cmd->dtim_period = cpu_to_le32(arg->dtim_period);
cmd->num_noa_descriptors = cpu_to_le32(arg->num_noa_descriptors);
cmd->preferred_rx_streams = cpu_to_le32(arg->pref_rx_streams);
cmd->preferred_tx_streams = cpu_to_le32(arg->pref_tx_streams);
cmd->cac_duration_ms = cpu_to_le32(arg->cac_duration_ms);
cmd->regdomain = cpu_to_le32(arg->regdomain);
cmd->he_ops = cpu_to_le32(arg->he_ops);
if (!restart) {
if (arg->ssid) {