diff --git a/drivers/net/wireless/ath/ath10k/core.h b/drivers/net/wireless/ath/ath10k/core.h index d1ea936d14b7..8a997b6e11c3 100644 --- a/drivers/net/wireless/ath/ath10k/core.h +++ b/drivers/net/wireless/ath/ath10k/core.h @@ -96,8 +96,6 @@ struct ath10k_bmi { bool done_sent; }; -#define ATH10K_MAX_MEM_REQS 16 - struct ath10k_mem_chunk { void *vaddr; dma_addr_t paddr; @@ -115,7 +113,7 @@ struct ath10k_wmi { struct wmi_pdev_param_map *pdev_param; u32 num_mem_chunks; - struct ath10k_mem_chunk mem_chunks[ATH10K_MAX_MEM_REQS]; + struct ath10k_mem_chunk mem_chunks[WMI_MAX_MEM_REQS]; }; struct ath10k_peer_stat { diff --git a/drivers/net/wireless/ath/ath10k/debug.c b/drivers/net/wireless/ath/ath10k/debug.c index 3756feba3223..101c6f9cf2a8 100644 --- a/drivers/net/wireless/ath/ath10k/debug.c +++ b/drivers/net/wireless/ath/ath10k/debug.c @@ -182,7 +182,7 @@ EXPORT_SYMBOL(ath10k_warn); #ifdef CONFIG_ATH10K_DEBUGFS void ath10k_debug_read_service_map(struct ath10k *ar, - void *service_map, + const void *service_map, size_t map_size) { memcpy(ar->debug.wmi_service_bitmap, service_map, map_size); diff --git a/drivers/net/wireless/ath/ath10k/debug.h b/drivers/net/wireless/ath/ath10k/debug.h index b3774f7f492c..d6276fea1adf 100644 --- a/drivers/net/wireless/ath/ath10k/debug.h +++ b/drivers/net/wireless/ath/ath10k/debug.h @@ -53,7 +53,7 @@ void ath10k_debug_destroy(struct ath10k *ar); int ath10k_debug_register(struct ath10k *ar); void ath10k_debug_unregister(struct ath10k *ar); void ath10k_debug_read_service_map(struct ath10k *ar, - void *service_map, + const void *service_map, size_t map_size); void ath10k_debug_read_target_stats(struct ath10k *ar, struct wmi_stats_event *ev); @@ -93,7 +93,7 @@ static inline void ath10k_debug_unregister(struct ath10k *ar) } static inline void ath10k_debug_read_service_map(struct ath10k *ar, - void *service_map, + const void *service_map, size_t map_size) { } diff --git a/drivers/net/wireless/ath/ath10k/wmi.c b/drivers/net/wireless/ath/ath10k/wmi.c index cec0c2839e5b..a7c11b292bf4 100644 --- a/drivers/net/wireless/ath/ath10k/wmi.c +++ b/drivers/net/wireless/ath/ath10k/wmi.c @@ -2205,30 +2205,113 @@ static int ath10k_wmi_alloc_host_mem(struct ath10k *ar, u32 req_id, return 0; } +static int ath10k_wmi_main_pull_svc_rdy_ev(struct sk_buff *skb, + struct wmi_svc_rdy_ev_arg *arg) +{ + struct wmi_service_ready_event *ev; + size_t i, n; + + if (skb->len < sizeof(*ev)) + return -EPROTO; + + ev = (void *)skb->data; + skb_pull(skb, sizeof(*ev)); + arg->min_tx_power = ev->hw_min_tx_power; + arg->max_tx_power = ev->hw_max_tx_power; + arg->ht_cap = ev->ht_cap_info; + arg->vht_cap = ev->vht_cap_info; + arg->sw_ver0 = ev->sw_version; + arg->sw_ver1 = ev->sw_version_1; + arg->phy_capab = ev->phy_capability; + arg->num_rf_chains = ev->num_rf_chains; + arg->eeprom_rd = ev->hal_reg_capabilities.eeprom_rd; + arg->num_mem_reqs = ev->num_mem_reqs; + arg->service_map = ev->wmi_service_bitmap; + + n = min_t(size_t, __le32_to_cpu(arg->num_mem_reqs), + ARRAY_SIZE(arg->mem_reqs)); + for (i = 0; i < n; i++) + arg->mem_reqs[i] = &ev->mem_reqs[i]; + + if (skb->len < + __le32_to_cpu(arg->num_mem_reqs) * sizeof(arg->mem_reqs[0])) + return -EPROTO; + + return 0; +} + +static int ath10k_wmi_10x_pull_svc_rdy_ev(struct sk_buff *skb, + struct wmi_svc_rdy_ev_arg *arg) +{ + struct wmi_10x_service_ready_event *ev; + int i, n; + + if (skb->len < sizeof(*ev)) + return -EPROTO; + + ev = (void *)skb->data; + skb_pull(skb, sizeof(*ev)); + arg->min_tx_power = ev->hw_min_tx_power; + arg->max_tx_power = ev->hw_max_tx_power; + arg->ht_cap = ev->ht_cap_info; + arg->vht_cap = ev->vht_cap_info; + arg->sw_ver0 = ev->sw_version; + arg->phy_capab = ev->phy_capability; + arg->num_rf_chains = ev->num_rf_chains; + arg->eeprom_rd = ev->hal_reg_capabilities.eeprom_rd; + arg->num_mem_reqs = ev->num_mem_reqs; + arg->service_map = ev->wmi_service_bitmap; + + n = min_t(size_t, __le32_to_cpu(arg->num_mem_reqs), + ARRAY_SIZE(arg->mem_reqs)); + for (i = 0; i < n; i++) + arg->mem_reqs[i] = &ev->mem_reqs[i]; + + if (skb->len < + __le32_to_cpu(arg->num_mem_reqs) * sizeof(arg->mem_reqs[0])) + return -EPROTO; + + return 0; +} + static void ath10k_wmi_service_ready_event_rx(struct ath10k *ar, struct sk_buff *skb) { - struct wmi_service_ready_event *ev = (void *)skb->data; + struct wmi_svc_rdy_ev_arg arg = {}; + u32 num_units, req_id, unit_size, num_mem_reqs, num_unit_info, i; DECLARE_BITMAP(svc_bmap, WMI_SERVICE_MAX) = {}; + int ret; - if (skb->len < sizeof(*ev)) { - ath10k_warn(ar, "Service ready event was %d B but expected %zu B. Wrong firmware version?\n", - skb->len, sizeof(*ev)); + if (test_bit(ATH10K_FW_FEATURE_WMI_10X, ar->fw_features)) { + ret = ath10k_wmi_10x_pull_svc_rdy_ev(skb, &arg); + wmi_10x_svc_map(arg.service_map, svc_bmap); + } else { + ret = ath10k_wmi_main_pull_svc_rdy_ev(skb, &arg); + wmi_main_svc_map(arg.service_map, svc_bmap); + } + + if (ret) { + ath10k_warn(ar, "failed to parse service ready: %d\n", ret); return; } - ar->hw_min_tx_power = __le32_to_cpu(ev->hw_min_tx_power); - ar->hw_max_tx_power = __le32_to_cpu(ev->hw_max_tx_power); - ar->ht_cap_info = __le32_to_cpu(ev->ht_cap_info); - ar->vht_cap_info = __le32_to_cpu(ev->vht_cap_info); + ar->hw_min_tx_power = __le32_to_cpu(arg.min_tx_power); + ar->hw_max_tx_power = __le32_to_cpu(arg.max_tx_power); + ar->ht_cap_info = __le32_to_cpu(arg.ht_cap); + ar->vht_cap_info = __le32_to_cpu(arg.vht_cap); ar->fw_version_major = - (__le32_to_cpu(ev->sw_version) & 0xff000000) >> 24; - ar->fw_version_minor = (__le32_to_cpu(ev->sw_version) & 0x00ffffff); + (__le32_to_cpu(arg.sw_ver0) & 0xff000000) >> 24; + ar->fw_version_minor = (__le32_to_cpu(arg.sw_ver0) & 0x00ffffff); ar->fw_version_release = - (__le32_to_cpu(ev->sw_version_1) & 0xffff0000) >> 16; - ar->fw_version_build = (__le32_to_cpu(ev->sw_version_1) & 0x0000ffff); - ar->phy_capability = __le32_to_cpu(ev->phy_capability); - ar->num_rf_chains = __le32_to_cpu(ev->num_rf_chains); + (__le32_to_cpu(arg.sw_ver1) & 0xffff0000) >> 16; + ar->fw_version_build = (__le32_to_cpu(arg.sw_ver1) & 0x0000ffff); + ar->phy_capability = __le32_to_cpu(arg.phy_capab); + ar->num_rf_chains = __le32_to_cpu(arg.num_rf_chains); + ar->ath_common.regulatory.current_rd = __le32_to_cpu(arg.eeprom_rd); + + ath10k_debug_read_service_map(ar, svc_bmap, sizeof(svc_bmap)); + ath10k_dbg_dump(ar, ATH10K_DBG_WMI, NULL, "wmi svc: ", + arg.service_map, sizeof(arg.service_map)); /* only manually set fw features when not using FW IE format */ if (ar->fw_api == 1 && ar->fw_version_build > 636) @@ -2243,14 +2326,6 @@ static void ath10k_wmi_service_ready_event_rx(struct ath10k *ar, ar->supp_tx_chainmask = (1 << ar->num_rf_chains) - 1; ar->supp_rx_chainmask = (1 << ar->num_rf_chains) - 1; - ar->ath_common.regulatory.current_rd = - __le32_to_cpu(ev->hal_reg_capabilities.eeprom_rd); - - wmi_main_svc_map(ev->wmi_service_bitmap, svc_bmap); - ath10k_debug_read_service_map(ar, svc_bmap, sizeof(svc_bmap)); - ath10k_dbg_dump(ar, ATH10K_DBG_WMI, NULL, "wmi svc: ", - ev->wmi_service_bitmap, sizeof(ev->wmi_service_bitmap)); - if (strlen(ar->hw->wiphy->fw_version) == 0) { snprintf(ar->hw->wiphy->fw_version, sizeof(ar->hw->wiphy->fw_version), @@ -2261,96 +2336,18 @@ static void ath10k_wmi_service_ready_event_rx(struct ath10k *ar, ar->fw_version_build); } - /* FIXME: it probably should be better to support this */ - if (__le32_to_cpu(ev->num_mem_reqs) > 0) { - ath10k_warn(ar, "target requested %d memory chunks; ignoring\n", - __le32_to_cpu(ev->num_mem_reqs)); - } - - ath10k_dbg(ar, ATH10K_DBG_WMI, - "wmi event service ready sw_ver 0x%08x sw_ver1 0x%08x abi_ver %u phy_cap 0x%08x ht_cap 0x%08x vht_cap 0x%08x vht_supp_msc 0x%08x sys_cap_info 0x%08x mem_reqs %u num_rf_chains %u\n", - __le32_to_cpu(ev->sw_version), - __le32_to_cpu(ev->sw_version_1), - __le32_to_cpu(ev->abi_version), - __le32_to_cpu(ev->phy_capability), - __le32_to_cpu(ev->ht_cap_info), - __le32_to_cpu(ev->vht_cap_info), - __le32_to_cpu(ev->vht_supp_mcs), - __le32_to_cpu(ev->sys_cap_info), - __le32_to_cpu(ev->num_mem_reqs), - __le32_to_cpu(ev->num_rf_chains)); - - complete(&ar->wmi.service_ready); -} - -static void ath10k_wmi_10x_service_ready_event_rx(struct ath10k *ar, - struct sk_buff *skb) -{ - u32 num_units, req_id, unit_size, num_mem_reqs, num_unit_info, i; - int ret; - struct wmi_service_ready_event_10x *ev = (void *)skb->data; - DECLARE_BITMAP(svc_bmap, WMI_SERVICE_MAX) = {}; - - if (skb->len < sizeof(*ev)) { - ath10k_warn(ar, "Service ready event was %d B but expected %zu B. Wrong firmware version?\n", - skb->len, sizeof(*ev)); - return; - } - - ar->hw_min_tx_power = __le32_to_cpu(ev->hw_min_tx_power); - ar->hw_max_tx_power = __le32_to_cpu(ev->hw_max_tx_power); - ar->ht_cap_info = __le32_to_cpu(ev->ht_cap_info); - ar->vht_cap_info = __le32_to_cpu(ev->vht_cap_info); - ar->fw_version_major = - (__le32_to_cpu(ev->sw_version) & 0xff000000) >> 24; - ar->fw_version_minor = (__le32_to_cpu(ev->sw_version) & 0x00ffffff); - ar->phy_capability = __le32_to_cpu(ev->phy_capability); - ar->num_rf_chains = __le32_to_cpu(ev->num_rf_chains); - - if (ar->num_rf_chains > WMI_MAX_SPATIAL_STREAM) { - ath10k_warn(ar, "hardware advertises support for more spatial streams than it should (%d > %d)\n", - ar->num_rf_chains, WMI_MAX_SPATIAL_STREAM); - ar->num_rf_chains = WMI_MAX_SPATIAL_STREAM; - } - - ar->supp_tx_chainmask = (1 << ar->num_rf_chains) - 1; - ar->supp_rx_chainmask = (1 << ar->num_rf_chains) - 1; - - ar->ath_common.regulatory.current_rd = - __le32_to_cpu(ev->hal_reg_capabilities.eeprom_rd); - - wmi_10x_svc_map(ev->wmi_service_bitmap, svc_bmap); - ath10k_debug_read_service_map(ar, svc_bmap, sizeof(svc_bmap)); - ath10k_dbg_dump(ar, ATH10K_DBG_WMI, NULL, "wmi svc: ", - ev->wmi_service_bitmap, sizeof(ev->wmi_service_bitmap)); - - if (strlen(ar->hw->wiphy->fw_version) == 0) { - snprintf(ar->hw->wiphy->fw_version, - sizeof(ar->hw->wiphy->fw_version), - "%u.%u", - ar->fw_version_major, - ar->fw_version_minor); - } - - num_mem_reqs = __le32_to_cpu(ev->num_mem_reqs); - - if (num_mem_reqs > ATH10K_MAX_MEM_REQS) { + num_mem_reqs = __le32_to_cpu(arg.num_mem_reqs); + if (num_mem_reqs > WMI_MAX_MEM_REQS) { ath10k_warn(ar, "requested memory chunks number (%d) exceeds the limit\n", num_mem_reqs); return; } - if (!num_mem_reqs) - goto exit; - - ath10k_dbg(ar, ATH10K_DBG_WMI, "firmware has requested %d memory chunks\n", - num_mem_reqs); - for (i = 0; i < num_mem_reqs; ++i) { - req_id = __le32_to_cpu(ev->mem_reqs[i].req_id); - num_units = __le32_to_cpu(ev->mem_reqs[i].num_units); - unit_size = __le32_to_cpu(ev->mem_reqs[i].unit_size); - num_unit_info = __le32_to_cpu(ev->mem_reqs[i].num_unit_info); + req_id = __le32_to_cpu(arg.mem_reqs[i]->req_id); + num_units = __le32_to_cpu(arg.mem_reqs[i]->num_units); + unit_size = __le32_to_cpu(arg.mem_reqs[i]->unit_size); + num_unit_info = __le32_to_cpu(arg.mem_reqs[i]->num_unit_info); if (num_unit_info & NUM_UNITS_IS_NUM_PEERS) /* number of units to allocate is number of @@ -2364,7 +2361,7 @@ static void ath10k_wmi_10x_service_ready_event_rx(struct ath10k *ar, ath10k_dbg(ar, ATH10K_DBG_WMI, "wmi mem_req_id %d num_units %d num_unit_info %d unit size %d actual units %d\n", req_id, - __le32_to_cpu(ev->mem_reqs[i].num_units), + __le32_to_cpu(arg.mem_reqs[i]->num_units), num_unit_info, unit_size, num_units); @@ -2375,18 +2372,18 @@ static void ath10k_wmi_10x_service_ready_event_rx(struct ath10k *ar, return; } -exit: ath10k_dbg(ar, ATH10K_DBG_WMI, - "wmi event service ready sw_ver 0x%08x abi_ver %u phy_cap 0x%08x ht_cap 0x%08x vht_cap 0x%08x vht_supp_msc 0x%08x sys_cap_info 0x%08x mem_reqs %u num_rf_chains %u\n", - __le32_to_cpu(ev->sw_version), - __le32_to_cpu(ev->abi_version), - __le32_to_cpu(ev->phy_capability), - __le32_to_cpu(ev->ht_cap_info), - __le32_to_cpu(ev->vht_cap_info), - __le32_to_cpu(ev->vht_supp_mcs), - __le32_to_cpu(ev->sys_cap_info), - __le32_to_cpu(ev->num_mem_reqs), - __le32_to_cpu(ev->num_rf_chains)); + "wmi event service ready min_tx_power 0x%08x max_tx_power 0x%08x ht_cap 0x%08x vht_cap 0x%08x sw_ver0 0x%08x sw_ver1 0x%08x phy_capab 0x%08x num_rf_chains 0x%08x eeprom_rd 0x%08x num_mem_reqs 0x%08x\n", + __le32_to_cpu(arg.min_tx_power), + __le32_to_cpu(arg.max_tx_power), + __le32_to_cpu(arg.ht_cap), + __le32_to_cpu(arg.vht_cap), + __le32_to_cpu(arg.sw_ver0), + __le32_to_cpu(arg.sw_ver1), + __le32_to_cpu(arg.phy_capab), + __le32_to_cpu(arg.num_rf_chains), + __le32_to_cpu(arg.eeprom_rd), + __le32_to_cpu(arg.num_mem_reqs)); complete(&ar->wmi.service_ready); } @@ -2634,7 +2631,7 @@ static void ath10k_wmi_10x_process_rx(struct ath10k *ar, struct sk_buff *skb) ath10k_wmi_event_vdev_resume_req(ar, skb); break; case WMI_10X_SERVICE_READY_EVENTID: - ath10k_wmi_10x_service_ready_event_rx(ar, skb); + ath10k_wmi_service_ready_event_rx(ar, skb); break; case WMI_10X_READY_EVENTID: ath10k_wmi_ready_event_rx(ar, skb); @@ -2745,7 +2742,7 @@ static void ath10k_wmi_10_2_process_rx(struct ath10k *ar, struct sk_buff *skb) ath10k_wmi_event_vdev_resume_req(ar, skb); break; case WMI_10_2_SERVICE_READY_EVENTID: - ath10k_wmi_10x_service_ready_event_rx(ar, skb); + ath10k_wmi_service_ready_event_rx(ar, skb); break; case WMI_10_2_READY_EVENTID: ath10k_wmi_ready_event_rx(ar, skb); diff --git a/drivers/net/wireless/ath/ath10k/wmi.h b/drivers/net/wireless/ath/ath10k/wmi.h index fc8bc9dd3629..ca31cdbac557 100644 --- a/drivers/net/wireless/ath/ath10k/wmi.h +++ b/drivers/net/wireless/ath/ath10k/wmi.h @@ -1428,11 +1428,11 @@ struct wmi_service_ready_event { * where FW can access this memory directly (or) by DMA. */ __le32 num_mem_reqs; - struct wlan_host_mem_req mem_reqs[1]; + struct wlan_host_mem_req mem_reqs[0]; } __packed; /* This is the definition from 10.X firmware branch */ -struct wmi_service_ready_event_10x { +struct wmi_10x_service_ready_event { __le32 sw_version; __le32 abi_version; @@ -1467,7 +1467,7 @@ struct wmi_service_ready_event_10x { */ __le32 num_mem_reqs; - struct wlan_host_mem_req mem_reqs[1]; + struct wlan_host_mem_req mem_reqs[0]; } __packed; #define WMI_SERVICE_READY_TIMEOUT_HZ (5*HZ) @@ -4702,6 +4702,23 @@ struct wmi_dbglog_cfg_cmd { /* By default disable power save for IBSS */ #define ATH10K_DEFAULT_ATIM 0 +#define WMI_MAX_MEM_REQS 16 + +struct wmi_svc_rdy_ev_arg { + __le32 min_tx_power; + __le32 max_tx_power; + __le32 ht_cap; + __le32 vht_cap; + __le32 sw_ver0; + __le32 sw_ver1; + __le32 phy_capab; + __le32 num_rf_chains; + __le32 eeprom_rd; + __le32 num_mem_reqs; + const __le32 *service_map; + const struct wlan_host_mem_req *mem_reqs[WMI_MAX_MEM_REQS]; +}; + struct ath10k; struct ath10k_vif;