| /* |
| * Copyright (c) 2013-2016 The Linux Foundation. All rights reserved. |
| * |
| * Previously licensed under the ISC license by Qualcomm Atheros, Inc. |
| * |
| * |
| * Permission to use, copy, modify, and/or distribute this software for |
| * any purpose with or without fee is hereby granted, provided that the |
| * above copyright notice and this permission notice appear in all |
| * copies. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL |
| * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED |
| * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE |
| * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL |
| * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR |
| * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER |
| * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR |
| * PERFORMANCE OF THIS SOFTWARE. |
| */ |
| |
| /* |
| * This file was originally distributed by Qualcomm Atheros, Inc. |
| * under proprietary terms before Copyright ownership was assigned |
| * to the Linux Foundation. |
| */ |
| |
| /** |
| * DOC: wlan_hdd_ipa.c |
| * |
| * WLAN HDD and ipa interface implementation |
| * Originally written by Qualcomm Atheros, Inc |
| */ |
| |
| #ifdef IPA_OFFLOAD |
| |
| /* Include Files */ |
| #include <linux/ipa.h> |
| #include <wlan_hdd_includes.h> |
| #include <wlan_hdd_ipa.h> |
| |
| #include <linux/etherdevice.h> |
| #include <linux/atomic.h> |
| #include <linux/netdevice.h> |
| #include <linux/skbuff.h> |
| #include <linux/list.h> |
| #include <linux/debugfs.h> |
| #include <linux/inetdevice.h> |
| #include <linux/ip.h> |
| #include <wlan_hdd_softap_tx_rx.h> |
| #include <cdp_txrx_peer_ops.h> |
| |
| #include "cds_sched.h" |
| |
| #include "wma.h" |
| #include "wma_api.h" |
| #include "wal_rx_desc.h" |
| |
| #include "cdp_txrx_ipa.h" |
| |
| #define HDD_IPA_DESC_BUFFER_RATIO 4 |
| #define HDD_IPA_IPV4_NAME_EXT "_ipv4" |
| #define HDD_IPA_IPV6_NAME_EXT "_ipv6" |
| |
| #define HDD_IPA_RX_INACTIVITY_MSEC_DELAY 1000 |
| #define HDD_IPA_UC_WLAN_8023_HDR_SIZE 14 |
| /* WDI TX and RX PIPE */ |
| #define HDD_IPA_UC_NUM_WDI_PIPE 2 |
| #define HDD_IPA_UC_MAX_PENDING_EVENT 33 |
| |
| #define HDD_IPA_UC_DEBUG_DUMMY_MEM_SIZE 32000 |
| #define HDD_IPA_UC_RT_DEBUG_PERIOD 300 |
| #define HDD_IPA_UC_RT_DEBUG_BUF_COUNT 30 |
| #define HDD_IPA_UC_RT_DEBUG_FILL_INTERVAL 10000 |
| |
| #define HDD_IPA_WLAN_HDR_DES_MAC_OFFSET 0 |
| #define HDD_IPA_MAX_IFACE 3 |
| #define HDD_IPA_MAX_SYSBAM_PIPE 4 |
| #define HDD_IPA_RX_PIPE HDD_IPA_MAX_IFACE |
| #define HDD_IPA_ENABLE_MASK BIT(0) |
| #define HDD_IPA_PRE_FILTER_ENABLE_MASK BIT(1) |
| #define HDD_IPA_IPV6_ENABLE_MASK BIT(2) |
| #define HDD_IPA_RM_ENABLE_MASK BIT(3) |
| #define HDD_IPA_CLK_SCALING_ENABLE_MASK BIT(4) |
| #define HDD_IPA_UC_ENABLE_MASK BIT(5) |
| #define HDD_IPA_UC_STA_ENABLE_MASK BIT(6) |
| #define HDD_IPA_REAL_TIME_DEBUGGING BIT(8) |
| |
| #define HDD_IPA_MAX_PENDING_EVENT_COUNT 20 |
| |
| typedef enum { |
| HDD_IPA_UC_OPCODE_TX_SUSPEND = 0, |
| HDD_IPA_UC_OPCODE_TX_RESUME = 1, |
| HDD_IPA_UC_OPCODE_RX_SUSPEND = 2, |
| HDD_IPA_UC_OPCODE_RX_RESUME = 3, |
| HDD_IPA_UC_OPCODE_STATS = 4, |
| /* keep this last */ |
| HDD_IPA_UC_OPCODE_MAX |
| } hdd_ipa_uc_op_code; |
| |
| /** |
| * enum - Reason codes for stat query |
| * |
| * @HDD_IPA_UC_STAT_REASON_NONE: Initial value |
| * @HDD_IPA_UC_STAT_REASON_DEBUG: For debug/info |
| * @HDD_IPA_UC_STAT_REASON_BW_CAL: For bandwidth calibration |
| * @HDD_IPA_UC_STAT_REASON_DUMP_INFO: For debug info dump |
| */ |
| enum { |
| HDD_IPA_UC_STAT_REASON_NONE, |
| HDD_IPA_UC_STAT_REASON_DEBUG, |
| HDD_IPA_UC_STAT_REASON_BW_CAL, |
| HDD_IPA_UC_STAT_REASON_DUMP_INFO |
| }; |
| |
| /** |
| * enum hdd_ipa_rm_state - IPA resource manager state |
| * @HDD_IPA_RM_RELEASED: PROD pipe resource released |
| * @HDD_IPA_RM_GRANT_PENDING: PROD pipe resource requested but not granted yet |
| * @HDD_IPA_RM_GRANTED: PROD pipe resource granted |
| */ |
| enum hdd_ipa_rm_state { |
| HDD_IPA_RM_RELEASED, |
| HDD_IPA_RM_GRANT_PENDING, |
| HDD_IPA_RM_GRANTED, |
| }; |
| |
| struct llc_snap_hdr { |
| uint8_t dsap; |
| uint8_t ssap; |
| uint8_t resv[4]; |
| __be16 eth_type; |
| } __packed; |
| |
| /** |
| * struct hdd_ipa_tx_hdr - header type which IPA should handle to TX packet |
| * @eth: ether II header |
| * @llc_snap: LLC snap header |
| * |
| */ |
| struct hdd_ipa_tx_hdr { |
| struct ethhdr eth; |
| struct llc_snap_hdr llc_snap; |
| } __packed; |
| |
| /** |
| * struct frag_header - fragment header type registered to IPA hardware |
| * @length: fragment length |
| * @reserved1: Reserved not used |
| * @reserved2: Reserved not used |
| * |
| */ |
| struct frag_header { |
| uint16_t length; |
| uint32_t reserved1; |
| uint32_t reserved2; |
| } __packed; |
| |
| /** |
| * struct ipa_header - ipa header type registered to IPA hardware |
| * @vdev_id: vdev id |
| * @reserved: Reserved not used |
| * |
| */ |
| struct ipa_header { |
| uint32_t |
| vdev_id:8, /* vdev_id field is LSB of IPA DESC */ |
| reserved:24; |
| } __packed; |
| |
| /** |
| * struct hdd_ipa_uc_tx_hdr - full tx header registered to IPA hardware |
| * @frag_hd: fragment header |
| * @ipa_hd: ipa header |
| * @eth: ether II header |
| * |
| */ |
| struct hdd_ipa_uc_tx_hdr { |
| struct frag_header frag_hd; |
| struct ipa_header ipa_hd; |
| struct ethhdr eth; |
| } __packed; |
| |
| /** |
| * struct hdd_ipa_cld_hdr - IPA CLD Header |
| * @reserved: reserved fields |
| * @iface_id: interface ID |
| * @sta_id: Station ID |
| * |
| * Packed 32-bit structure |
| * +----------+----------+--------------+--------+ |
| * | Reserved | QCMAP ID | interface id | STA ID | |
| * +----------+----------+--------------+--------+ |
| */ |
| struct hdd_ipa_cld_hdr { |
| uint8_t reserved[2]; |
| uint8_t iface_id; |
| uint8_t sta_id; |
| } __packed; |
| |
| struct hdd_ipa_rx_hdr { |
| struct hdd_ipa_cld_hdr cld_hdr; |
| struct ethhdr eth; |
| } __packed; |
| |
| struct hdd_ipa_pm_tx_cb { |
| bool exception; |
| hdd_adapter_t *adapter; |
| struct hdd_ipa_iface_context *iface_context; |
| struct ipa_rx_data *ipa_tx_desc; |
| }; |
| |
| struct hdd_ipa_uc_rx_hdr { |
| struct ethhdr eth; |
| } __packed; |
| |
| struct hdd_ipa_sys_pipe { |
| uint32_t conn_hdl; |
| uint8_t conn_hdl_valid; |
| struct ipa_sys_connect_params ipa_sys_params; |
| }; |
| |
| struct hdd_ipa_iface_stats { |
| uint64_t num_tx; |
| uint64_t num_tx_drop; |
| uint64_t num_tx_err; |
| uint64_t num_tx_cac_drop; |
| uint64_t num_rx_prefilter; |
| uint64_t num_rx_ipa_excep; |
| uint64_t num_rx_recv; |
| uint64_t num_rx_recv_mul; |
| uint64_t num_rx_send_desc_err; |
| uint64_t max_rx_mul; |
| }; |
| |
| struct hdd_ipa_priv; |
| |
| struct hdd_ipa_iface_context { |
| struct hdd_ipa_priv *hdd_ipa; |
| hdd_adapter_t *adapter; |
| void *tl_context; |
| |
| enum ipa_client_type cons_client; |
| enum ipa_client_type prod_client; |
| |
| uint8_t iface_id; /* This iface ID */ |
| uint8_t sta_id; /* This iface station ID */ |
| qdf_spinlock_t interface_lock; |
| uint32_t ifa_address; |
| struct hdd_ipa_iface_stats stats; |
| }; |
| |
| struct hdd_ipa_stats { |
| uint32_t event[IPA_WLAN_EVENT_MAX]; |
| uint64_t num_send_msg; |
| uint64_t num_free_msg; |
| |
| uint64_t num_rm_grant; |
| uint64_t num_rm_release; |
| uint64_t num_rm_grant_imm; |
| uint64_t num_cons_perf_req; |
| uint64_t num_prod_perf_req; |
| |
| uint64_t num_rx_drop; |
| uint64_t num_rx_ipa_tx_dp; |
| uint64_t num_rx_ipa_splice; |
| uint64_t num_rx_ipa_loop; |
| uint64_t num_rx_ipa_tx_dp_err; |
| uint64_t num_rx_ipa_write_done; |
| uint64_t num_max_ipa_tx_mul; |
| uint64_t num_rx_ipa_hw_maxed_out; |
| uint64_t max_pend_q_cnt; |
| |
| uint64_t num_tx_comp_cnt; |
| uint64_t num_tx_queued; |
| uint64_t num_tx_dequeued; |
| uint64_t num_max_pm_queue; |
| |
| uint64_t num_freeq_empty; |
| uint64_t num_pri_freeq_empty; |
| uint64_t num_rx_excep; |
| uint64_t num_tx_fwd_ok; |
| uint64_t num_tx_fwd_err; |
| }; |
| |
| struct ipa_uc_stas_map { |
| bool is_reserved; |
| uint8_t sta_id; |
| }; |
| struct op_msg_type { |
| uint8_t msg_t; |
| uint8_t rsvd; |
| uint16_t op_code; |
| uint16_t len; |
| uint16_t rsvd_snd; |
| }; |
| |
| struct ipa_uc_fw_stats { |
| uint32_t tx_comp_ring_base; |
| uint32_t tx_comp_ring_size; |
| uint32_t tx_comp_ring_dbell_addr; |
| uint32_t tx_comp_ring_dbell_ind_val; |
| uint32_t tx_comp_ring_dbell_cached_val; |
| uint32_t tx_pkts_enqueued; |
| uint32_t tx_pkts_completed; |
| uint32_t tx_is_suspend; |
| uint32_t tx_reserved; |
| uint32_t rx_ind_ring_base; |
| uint32_t rx_ind_ring_size; |
| uint32_t rx_ind_ring_dbell_addr; |
| uint32_t rx_ind_ring_dbell_ind_val; |
| uint32_t rx_ind_ring_dbell_ind_cached_val; |
| uint32_t rx_ind_ring_rdidx_addr; |
| uint32_t rx_ind_ring_rd_idx_cached_val; |
| uint32_t rx_refill_idx; |
| uint32_t rx_num_pkts_indicated; |
| uint32_t rx_buf_refilled; |
| uint32_t rx_num_ind_drop_no_space; |
| uint32_t rx_num_ind_drop_no_buf; |
| uint32_t rx_is_suspend; |
| uint32_t rx_reserved; |
| }; |
| |
| struct ipa_uc_pending_event { |
| qdf_list_node_t node; |
| hdd_adapter_t *adapter; |
| enum ipa_wlan_event type; |
| uint8_t sta_id; |
| uint8_t mac_addr[QDF_MAC_ADDR_SIZE]; |
| }; |
| |
| /** |
| * struct uc_rm_work_struct |
| * @work: uC RM work |
| * @event: IPA RM event |
| */ |
| struct uc_rm_work_struct { |
| struct work_struct work; |
| enum ipa_rm_event event; |
| }; |
| |
| /** |
| * struct uc_op_work_struct |
| * @work: uC OP work |
| * @msg: OP message |
| */ |
| struct uc_op_work_struct { |
| struct work_struct work; |
| struct op_msg_type *msg; |
| }; |
| |
| /** |
| * struct uc_rt_debug_info |
| * @time: system time |
| * @ipa_excep_count: IPA exception packet count |
| * @rx_drop_count: IPA Rx drop packet count |
| * @net_sent_count: IPA Rx packet sent to network stack count |
| * @rx_discard_count: IPA Rx discard packet count |
| * @tx_fwd_ok_count: IPA Tx forward success packet count |
| * @tx_fwd_count: IPA Tx forward packet count |
| * @rx_destructor_call: IPA Rx packet destructor count |
| */ |
| struct uc_rt_debug_info { |
| uint64_t time; |
| uint64_t ipa_excep_count; |
| uint64_t rx_drop_count; |
| uint64_t net_sent_count; |
| uint64_t rx_discard_count; |
| uint64_t tx_fwd_ok_count; |
| uint64_t tx_fwd_count; |
| uint64_t rx_destructor_call; |
| }; |
| |
| struct hdd_ipa_priv { |
| struct hdd_ipa_sys_pipe sys_pipe[HDD_IPA_MAX_SYSBAM_PIPE]; |
| struct hdd_ipa_iface_context iface_context[HDD_IPA_MAX_IFACE]; |
| uint8_t num_iface; |
| enum hdd_ipa_rm_state rm_state; |
| /* |
| * IPA driver can send RM notifications with IRQ disabled so using qdf |
| * APIs as it is taken care gracefully. Without this, kernel would throw |
| * an warning if spin_lock_bh is used while IRQ is disabled |
| */ |
| qdf_spinlock_t rm_lock; |
| struct uc_rm_work_struct uc_rm_work; |
| struct uc_op_work_struct uc_op_work[HDD_IPA_UC_OPCODE_MAX]; |
| qdf_wake_lock_t wake_lock; |
| struct delayed_work wake_lock_work; |
| bool wake_lock_released; |
| |
| enum ipa_client_type prod_client; |
| |
| atomic_t tx_ref_cnt; |
| qdf_nbuf_queue_t pm_queue_head; |
| struct work_struct pm_work; |
| qdf_spinlock_t pm_lock; |
| bool suspended; |
| |
| uint32_t pending_hw_desc_cnt; |
| uint32_t hw_desc_cnt; |
| spinlock_t q_lock; |
| uint32_t freeq_cnt; |
| struct list_head free_desc_head; |
| |
| uint32_t pend_q_cnt; |
| struct list_head pend_desc_head; |
| |
| hdd_context_t *hdd_ctx; |
| |
| struct dentry *debugfs_dir; |
| struct hdd_ipa_stats stats; |
| |
| struct notifier_block ipv4_notifier; |
| uint32_t curr_prod_bw; |
| uint32_t curr_cons_bw; |
| |
| uint8_t activated_fw_pipe; |
| uint8_t sap_num_connected_sta; |
| uint8_t sta_connected; |
| uint32_t tx_pipe_handle; |
| uint32_t rx_pipe_handle; |
| bool resource_loading; |
| bool resource_unloading; |
| bool pending_cons_req; |
| struct ipa_uc_stas_map assoc_stas_map[WLAN_MAX_STA_COUNT]; |
| qdf_list_t pending_event; |
| qdf_mutex_t event_lock; |
| bool ipa_pipes_down; |
| uint32_t ipa_tx_packets_diff; |
| uint32_t ipa_rx_packets_diff; |
| uint32_t ipa_p_tx_packets; |
| uint32_t ipa_p_rx_packets; |
| uint32_t stat_req_reason; |
| uint64_t ipa_tx_forward; |
| uint64_t ipa_rx_discard; |
| uint64_t ipa_rx_net_send_count; |
| uint64_t ipa_rx_internel_drop_count; |
| uint64_t ipa_rx_destructor_count; |
| qdf_mc_timer_t rt_debug_timer; |
| struct uc_rt_debug_info rt_bug_buffer[HDD_IPA_UC_RT_DEBUG_BUF_COUNT]; |
| unsigned int rt_buf_fill_index; |
| qdf_mc_timer_t rt_debug_fill_timer; |
| qdf_mutex_t rt_debug_lock; |
| qdf_mutex_t ipa_lock; |
| struct ol_txrx_ipa_resources ipa_resource; |
| /* IPA UC doorbell registers paddr */ |
| qdf_dma_addr_t tx_comp_doorbell_paddr; |
| qdf_dma_addr_t rx_ready_doorbell_paddr; |
| |
| uint8_t vdev_to_iface[CSR_ROAM_SESSION_MAX]; |
| bool vdev_offload_enabled[CSR_ROAM_SESSION_MAX]; |
| }; |
| |
| /** |
| * FIXME: The following conversion routines are just stubs. |
| * They will be implemented fully by another update. |
| * The stubs will let the compile go ahead, and functionality |
| * is broken. |
| * This should be OK and IPA is not enabled yet |
| */ |
| static void *wlan_hdd_stub_priv_to_addr(uint32_t priv) |
| { |
| void *vaddr; |
| uint32_t ipa_priv = priv; |
| |
| vaddr = &ipa_priv; /* just to use the var */ |
| vaddr = NULL; |
| return vaddr; |
| } |
| |
| static uint32_t wlan_hdd_stub_addr_to_priv(void *ptr) |
| { |
| uint32_t ipa_priv = 0; |
| |
| BUG_ON(ptr == NULL); |
| return ipa_priv; |
| } |
| |
| #define HDD_IPA_WLAN_FRAG_HEADER sizeof(struct frag_header) |
| #define HDD_IPA_WLAN_IPA_HEADER sizeof(struct ipa_header) |
| #define HDD_IPA_WLAN_CLD_HDR_LEN sizeof(struct hdd_ipa_cld_hdr) |
| #define HDD_IPA_UC_WLAN_CLD_HDR_LEN 0 |
| #define HDD_IPA_WLAN_TX_HDR_LEN sizeof(struct hdd_ipa_tx_hdr) |
| #define HDD_IPA_UC_WLAN_TX_HDR_LEN sizeof(struct hdd_ipa_uc_tx_hdr) |
| #define HDD_IPA_WLAN_RX_HDR_LEN sizeof(struct hdd_ipa_rx_hdr) |
| #define HDD_IPA_UC_WLAN_RX_HDR_LEN sizeof(struct hdd_ipa_uc_rx_hdr) |
| #define HDD_IPA_UC_WLAN_HDR_DES_MAC_OFFSET \ |
| (HDD_IPA_WLAN_FRAG_HEADER + HDD_IPA_WLAN_IPA_HEADER) |
| |
| #define HDD_IPA_GET_IFACE_ID(_data) \ |
| (((struct hdd_ipa_cld_hdr *) (_data))->iface_id) |
| |
| #define HDD_IPA_LOG(LVL, fmt, args ...) \ |
| QDF_TRACE(QDF_MODULE_ID_HDD, LVL, \ |
| "%s:%d: "fmt, __func__, __LINE__, ## args) |
| |
| #define HDD_IPA_DP_LOG(LVL, fmt, args...) \ |
| QDF_TRACE(QDF_MODULE_ID_HDD_DATA, LVL, \ |
| "%s:%d: "fmt, __func__, __LINE__, ## args) |
| |
| #define HDD_IPA_DBG_DUMP(_lvl, _prefix, _buf, _len) \ |
| do { \ |
| QDF_TRACE(QDF_MODULE_ID_HDD, _lvl, "%s:", _prefix); \ |
| QDF_TRACE_HEX_DUMP(QDF_MODULE_ID_HDD, _lvl, _buf, _len); \ |
| } while (0) |
| |
| #define HDD_IPA_IS_CONFIG_ENABLED(_hdd_ctx, _mask) \ |
| (((_hdd_ctx)->config->IpaConfig & (_mask)) == (_mask)) |
| |
| #define HDD_IPA_INCREASE_INTERNAL_DROP_COUNT(hdd_ipa) \ |
| do { \ |
| hdd_ipa->ipa_rx_internel_drop_count++; \ |
| } while (0) |
| #define HDD_IPA_INCREASE_NET_SEND_COUNT(hdd_ipa) \ |
| do { \ |
| hdd_ipa->ipa_rx_net_send_count++; \ |
| } while (0) |
| #define HDD_BW_GET_DIFF(_x, _y) (unsigned long)((ULONG_MAX - (_y)) + (_x) + 1) |
| |
| #if defined (QCA_WIFI_3_0) && defined (CONFIG_IPA3) |
| #define HDD_IPA_WDI2_SET(pipe_in, ipa_ctxt) \ |
| do { \ |
| pipe_in.u.ul.rdy_ring_rp_va = \ |
| ipa_ctxt->ipa_resource.rx_proc_done_idx_vaddr; \ |
| pipe_in.u.ul.rdy_comp_ring_base_pa = \ |
| ipa_ctxt->ipa_resource.rx2_rdy_ring_base_paddr;\ |
| pipe_in.u.ul.rdy_comp_ring_size = \ |
| ipa_ctxt->ipa_resource.rx2_rdy_ring_size; \ |
| pipe_in.u.ul.rdy_comp_ring_wp_pa = \ |
| ipa_ctxt->ipa_resource.rx2_proc_done_idx_paddr; \ |
| pipe_in.u.ul.rdy_comp_ring_wp_va = \ |
| ipa_ctxt->ipa_resource.rx2_proc_done_idx_vaddr; \ |
| } while (0) |
| |
| #define HDD_IPA_CHECK_HW() ipa_uc_reg_rdyCB(NULL) |
| #else |
| /* Do nothing */ |
| #define HDD_IPA_WDI2_SET(pipe_in, ipa_ctxt) |
| #define HDD_IPA_CHECK_HW() 0 |
| #endif /* IPA3 */ |
| |
| #define HDD_IPA_DBG_DUMP_RX_LEN 32 |
| #define HDD_IPA_DBG_DUMP_TX_LEN 48 |
| |
| static struct hdd_ipa_adapter_2_client { |
| enum ipa_client_type cons_client; |
| enum ipa_client_type prod_client; |
| } hdd_ipa_adapter_2_client[HDD_IPA_MAX_IFACE] = { |
| { |
| IPA_CLIENT_WLAN2_CONS, IPA_CLIENT_WLAN1_PROD |
| }, { |
| IPA_CLIENT_WLAN3_CONS, IPA_CLIENT_WLAN1_PROD |
| }, { |
| IPA_CLIENT_WLAN4_CONS, IPA_CLIENT_WLAN1_PROD |
| }, |
| }; |
| |
| /* For Tx pipes, use Ethernet-II Header format */ |
| struct hdd_ipa_uc_tx_hdr ipa_uc_tx_hdr = { |
| { |
| 0x0000, |
| 0x00000000, |
| 0x00000000 |
| }, |
| { |
| 0x00000000 |
| }, |
| { |
| {0x00, 0x03, 0x7f, 0xaa, 0xbb, 0xcc}, |
| {0x00, 0x03, 0x7f, 0xdd, 0xee, 0xff}, |
| 0x0008 |
| } |
| }; |
| |
| /* For Tx pipes, use 802.3 Header format */ |
| static struct hdd_ipa_tx_hdr ipa_tx_hdr = { |
| { |
| {0xDE, 0xAD, 0xBE, 0xEF, 0xFF, 0xFF}, |
| {0xDE, 0xAD, 0xBE, 0xEF, 0xFF, 0xFF}, |
| 0x00 /* length can be zero */ |
| }, |
| { |
| /* LLC SNAP header 8 bytes */ |
| 0xaa, 0xaa, |
| {0x03, 0x00, 0x00, 0x00}, |
| 0x0008 /* type value(2 bytes) ,filled by wlan */ |
| /* 0x0800 - IPV4, 0x86dd - IPV6 */ |
| } |
| }; |
| |
| static const char *op_string[] = { |
| "TX_SUSPEND", |
| "TX_RESUME", |
| "RX_SUSPEND", |
| "RX_RESUME", |
| "STATS", |
| }; |
| |
| static struct hdd_ipa_priv *ghdd_ipa; |
| |
| /* Local Function Prototypes */ |
| static void hdd_ipa_i2w_cb(void *priv, enum ipa_dp_evt_type evt, |
| unsigned long data); |
| static void hdd_ipa_w2i_cb(void *priv, enum ipa_dp_evt_type evt, |
| unsigned long data); |
| |
| static void hdd_ipa_cleanup_iface(struct hdd_ipa_iface_context *iface_context); |
| static void hdd_ipa_uc_proc_pending_event (struct hdd_ipa_priv *hdd_ipa); |
| |
| /** |
| * hdd_ipa_is_enabled() - Is IPA enabled? |
| * @hdd_ctx: Global HDD context |
| * |
| * Return: true if IPA is enabled, false otherwise |
| */ |
| bool hdd_ipa_is_enabled(hdd_context_t *hdd_ctx) |
| { |
| return HDD_IPA_IS_CONFIG_ENABLED(hdd_ctx, HDD_IPA_ENABLE_MASK); |
| } |
| |
| /** |
| * hdd_ipa_uc_is_enabled() - Is IPA uC offload enabled? |
| * @hdd_ctx: Global HDD context |
| * |
| * Return: true if IPA uC offload is enabled, false otherwise |
| */ |
| bool hdd_ipa_uc_is_enabled(hdd_context_t *hdd_ctx) |
| { |
| return HDD_IPA_IS_CONFIG_ENABLED(hdd_ctx, HDD_IPA_UC_ENABLE_MASK); |
| } |
| |
| /** |
| * hdd_ipa_uc_sta_is_enabled() - Is STA mode IPA uC offload enabled? |
| * @hdd_ctx: Global HDD context |
| * |
| * Return: true if STA mode IPA uC offload is enabled, false otherwise |
| */ |
| static inline bool hdd_ipa_uc_sta_is_enabled(hdd_context_t *hdd_ctx) |
| { |
| return HDD_IPA_IS_CONFIG_ENABLED(hdd_ctx, HDD_IPA_UC_STA_ENABLE_MASK); |
| } |
| |
| /** |
| * hdd_ipa_uc_sta_reset_sta_connected() - Reset sta_connected flag |
| * @hdd_ipa: Global HDD IPA context |
| * |
| * Return: None |
| */ |
| #ifdef IPA_UC_STA_OFFLOAD |
| static inline void hdd_ipa_uc_sta_reset_sta_connected( |
| struct hdd_ipa_priv *hdd_ipa) |
| { |
| vos_lock_acquire(&hdd_ipa->event_lock); |
| hdd_ipa->sta_connected = 0; |
| vos_lock_release(&hdd_ipa->event_lock); |
| } |
| #else |
| static inline void hdd_ipa_uc_sta_reset_sta_connected( |
| struct hdd_ipa_priv *hdd_ipa) |
| { |
| } |
| #endif |
| |
| /** |
| * hdd_ipa_is_pre_filter_enabled() - Is IPA pre-filter enabled? |
| * @hdd_ipa: Global HDD IPA context |
| * |
| * Return: true if pre-filter is enabled, otherwise false |
| */ |
| static inline bool hdd_ipa_is_pre_filter_enabled(hdd_context_t *hdd_ctx) |
| { |
| return HDD_IPA_IS_CONFIG_ENABLED(hdd_ctx, |
| HDD_IPA_PRE_FILTER_ENABLE_MASK); |
| } |
| |
| /** |
| * hdd_ipa_is_ipv6_enabled() - Is IPA IPv6 enabled? |
| * @hdd_ipa: Global HDD IPA context |
| * |
| * Return: true if IPv6 is enabled, otherwise false |
| */ |
| static inline bool hdd_ipa_is_ipv6_enabled(hdd_context_t *hdd_ctx) |
| { |
| return HDD_IPA_IS_CONFIG_ENABLED(hdd_ctx, HDD_IPA_IPV6_ENABLE_MASK); |
| } |
| |
| /** |
| * hdd_ipa_is_rm_enabled() - Is IPA resource manager enabled? |
| * @hdd_ipa: Global HDD IPA context |
| * |
| * Return: true if resource manager is enabled, otherwise false |
| */ |
| static inline bool hdd_ipa_is_rm_enabled(hdd_context_t *hdd_ctx) |
| { |
| return HDD_IPA_IS_CONFIG_ENABLED(hdd_ctx, HDD_IPA_RM_ENABLE_MASK); |
| } |
| |
| /** |
| * hdd_ipa_is_rt_debugging_enabled() - Is IPA real-time debug enabled? |
| * @hdd_ipa: Global HDD IPA context |
| * |
| * Return: true if resource manager is enabled, otherwise false |
| */ |
| static inline bool hdd_ipa_is_rt_debugging_enabled(hdd_context_t *hdd_ctx) |
| { |
| return HDD_IPA_IS_CONFIG_ENABLED(hdd_ctx, HDD_IPA_REAL_TIME_DEBUGGING); |
| } |
| |
| /** |
| * hdd_ipa_is_clk_scaling_enabled() - Is IPA clock scaling enabled? |
| * @hdd_ipa: Global HDD IPA context |
| * |
| * Return: true if clock scaling is enabled, otherwise false |
| */ |
| static inline bool hdd_ipa_is_clk_scaling_enabled(hdd_context_t *hdd_ctx) |
| { |
| return HDD_IPA_IS_CONFIG_ENABLED(hdd_ctx, |
| HDD_IPA_CLK_SCALING_ENABLE_MASK | |
| HDD_IPA_RM_ENABLE_MASK); |
| } |
| |
| /** |
| * hdd_ipa_uc_rt_debug_host_fill - fill rt debug buffer |
| * @ctext: pointer to hdd context. |
| * |
| * If rt debug enabled, periodically called, and fill debug buffer |
| * |
| * Return: none |
| */ |
| static void hdd_ipa_uc_rt_debug_host_fill(void *ctext) |
| { |
| hdd_context_t *hdd_ctx = (hdd_context_t *)ctext; |
| struct hdd_ipa_priv *hdd_ipa; |
| struct uc_rt_debug_info *dump_info = NULL; |
| |
| if (wlan_hdd_validate_context(hdd_ctx)) |
| return; |
| |
| if (!hdd_ctx->hdd_ipa || !hdd_ipa_uc_is_enabled(hdd_ctx)) { |
| HDD_IPA_LOG(QDF_TRACE_LEVEL_INFO, |
| "%s: IPA UC is not enabled", __func__); |
| return; |
| } |
| |
| hdd_ipa = (struct hdd_ipa_priv *)hdd_ctx->hdd_ipa; |
| |
| qdf_mutex_acquire(&hdd_ipa->rt_debug_lock); |
| dump_info = &hdd_ipa->rt_bug_buffer[ |
| hdd_ipa->rt_buf_fill_index % HDD_IPA_UC_RT_DEBUG_BUF_COUNT]; |
| |
| dump_info->time = (uint64_t)qdf_mc_timer_get_system_time(); |
| dump_info->ipa_excep_count = hdd_ipa->stats.num_rx_excep; |
| dump_info->rx_drop_count = hdd_ipa->ipa_rx_internel_drop_count; |
| dump_info->net_sent_count = hdd_ipa->ipa_rx_net_send_count; |
| dump_info->tx_fwd_count = hdd_ipa->ipa_tx_forward; |
| dump_info->tx_fwd_ok_count = hdd_ipa->stats.num_tx_fwd_ok; |
| dump_info->rx_discard_count = hdd_ipa->ipa_rx_discard; |
| dump_info->rx_destructor_call = hdd_ipa->ipa_rx_destructor_count; |
| hdd_ipa->rt_buf_fill_index++; |
| qdf_mutex_release(&hdd_ipa->rt_debug_lock); |
| |
| qdf_mc_timer_start(&hdd_ipa->rt_debug_fill_timer, |
| HDD_IPA_UC_RT_DEBUG_FILL_INTERVAL); |
| } |
| |
| /** |
| * __hdd_ipa_uc_rt_debug_host_dump - dump rt debug buffer |
| * @hdd_ctx: pointer to hdd context. |
| * |
| * If rt debug enabled, dump debug buffer contents based on requirement |
| * |
| * Return: none |
| */ |
| static void __hdd_ipa_uc_rt_debug_host_dump(hdd_context_t *hdd_ctx) |
| { |
| struct hdd_ipa_priv *hdd_ipa; |
| unsigned int dump_count; |
| unsigned int dump_index; |
| struct uc_rt_debug_info *dump_info = NULL; |
| |
| if (wlan_hdd_validate_context(hdd_ctx)) |
| return; |
| |
| hdd_ipa = hdd_ctx->hdd_ipa; |
| if (!hdd_ipa || !hdd_ipa_uc_is_enabled(hdd_ctx)) { |
| HDD_IPA_LOG(QDF_TRACE_LEVEL_INFO, |
| "%s: IPA UC is not enabled", __func__); |
| return; |
| } |
| |
| HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, |
| "========= WLAN-IPA DEBUG BUF DUMP ==========\n"); |
| HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, |
| " TM : EXEP : DROP : NETS : FWOK : TXFD : DSTR : DSCD\n"); |
| |
| qdf_mutex_acquire(&hdd_ipa->rt_debug_lock); |
| for (dump_count = 0; |
| dump_count < HDD_IPA_UC_RT_DEBUG_BUF_COUNT; |
| dump_count++) { |
| dump_index = (hdd_ipa->rt_buf_fill_index + dump_count) % |
| HDD_IPA_UC_RT_DEBUG_BUF_COUNT; |
| dump_info = &hdd_ipa->rt_bug_buffer[dump_index]; |
| HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, |
| "%12llu:%10llu:%10llu:%10llu:%10llu:%10llu:%10llu:%10llu\n", |
| dump_info->time, dump_info->ipa_excep_count, |
| dump_info->rx_drop_count, dump_info->net_sent_count, |
| dump_info->tx_fwd_ok_count, dump_info->tx_fwd_count, |
| dump_info->rx_destructor_call, |
| dump_info->rx_discard_count); |
| } |
| qdf_mutex_release(&hdd_ipa->rt_debug_lock); |
| HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, |
| "======= WLAN-IPA DEBUG BUF DUMP END ========\n"); |
| } |
| |
| /** |
| * hdd_ipa_uc_rt_debug_host_dump - SSR wrapper for |
| * __hdd_ipa_uc_rt_debug_host_dump |
| * @hdd_ctx: pointer to hdd context. |
| * |
| * If rt debug enabled, dump debug buffer contents based on requirement |
| * |
| * Return: none |
| */ |
| void hdd_ipa_uc_rt_debug_host_dump(hdd_context_t *hdd_ctx) |
| { |
| cds_ssr_protect(__func__); |
| __hdd_ipa_uc_rt_debug_host_dump(hdd_ctx); |
| cds_ssr_unprotect(__func__); |
| } |
| |
| /** |
| * hdd_ipa_uc_rt_debug_handler - periodic memory health monitor handler |
| * @ctext: pointer to hdd context. |
| * |
| * periodically called by timer expire |
| * will try to alloc dummy memory and detect out of memory condition |
| * if out of memory detected, dump wlan-ipa stats |
| * |
| * Return: none |
| */ |
| static void hdd_ipa_uc_rt_debug_handler(void *ctext) |
| { |
| hdd_context_t *hdd_ctx = (hdd_context_t *)ctext; |
| struct hdd_ipa_priv *hdd_ipa; |
| void *dummy_ptr = NULL; |
| |
| if (wlan_hdd_validate_context(hdd_ctx)) |
| return; |
| |
| hdd_ipa = (struct hdd_ipa_priv *)hdd_ctx->hdd_ipa; |
| |
| if (!hdd_ipa_is_rt_debugging_enabled(hdd_ctx)) { |
| hdd_notice("IPA RT debug is not enabled"); |
| return; |
| } |
| |
| /* Allocate dummy buffer periodically and free immediately. this will |
| * proactively detect OOM and if allocation fails dump ipa stats |
| */ |
| dummy_ptr = kmalloc(HDD_IPA_UC_DEBUG_DUMMY_MEM_SIZE, |
| GFP_KERNEL | GFP_ATOMIC); |
| if (!dummy_ptr) { |
| hdd_alert("Dummy alloc fail"); |
| hdd_ipa_uc_rt_debug_host_dump(hdd_ctx); |
| hdd_ipa_uc_stat_request( |
| hdd_get_adapter(hdd_ctx, QDF_SAP_MODE), 1); |
| } else { |
| kfree(dummy_ptr); |
| } |
| |
| qdf_mc_timer_start(&hdd_ipa->rt_debug_timer, |
| HDD_IPA_UC_RT_DEBUG_PERIOD); |
| } |
| |
| /** |
| * hdd_ipa_uc_rt_debug_destructor() - called by data packet free |
| * @skb: packet pinter |
| * |
| * when free data packet, will be invoked by wlan client and will increase |
| * free counter |
| * |
| * Return: none |
| */ |
| static void hdd_ipa_uc_rt_debug_destructor(struct sk_buff *skb) |
| { |
| if (!ghdd_ipa) { |
| HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, |
| "%s: invalid hdd context", __func__); |
| return; |
| } |
| |
| ghdd_ipa->ipa_rx_destructor_count++; |
| } |
| |
| /** |
| * hdd_ipa_uc_rt_debug_deinit() - remove resources to handle rt debugging |
| * @hdd_ctx: hdd main context |
| * |
| * free all rt debugging resources |
| * |
| * Return: none |
| */ |
| static void hdd_ipa_uc_rt_debug_deinit(hdd_context_t *hdd_ctx) |
| { |
| struct hdd_ipa_priv *hdd_ipa; |
| |
| if (wlan_hdd_validate_context(hdd_ctx)) |
| return; |
| |
| hdd_ipa = (struct hdd_ipa_priv *)hdd_ctx->hdd_ipa; |
| |
| qdf_mutex_destroy(&hdd_ipa->rt_debug_lock); |
| |
| if (!hdd_ipa_is_rt_debugging_enabled(hdd_ctx)) { |
| hdd_notice("IPA RT debug is not enabled"); |
| return; |
| } |
| |
| if (QDF_TIMER_STATE_STOPPED != |
| qdf_mc_timer_get_current_state(&hdd_ipa->rt_debug_fill_timer)) { |
| qdf_mc_timer_stop(&hdd_ipa->rt_debug_fill_timer); |
| } |
| qdf_mc_timer_destroy(&hdd_ipa->rt_debug_fill_timer); |
| |
| if (QDF_TIMER_STATE_STOPPED != |
| qdf_mc_timer_get_current_state(&hdd_ipa->rt_debug_timer)) { |
| qdf_mc_timer_stop(&hdd_ipa->rt_debug_timer); |
| } |
| qdf_mc_timer_destroy(&hdd_ipa->rt_debug_timer); |
| } |
| |
| /** |
| * hdd_ipa_uc_rt_debug_init() - intialize resources to handle rt debugging |
| * @hdd_ctx: hdd main context |
| * |
| * alloc and initialize all rt debugging resources |
| * |
| * Return: none |
| */ |
| static void hdd_ipa_uc_rt_debug_init(hdd_context_t *hdd_ctx) |
| { |
| struct hdd_ipa_priv *hdd_ipa; |
| |
| if (wlan_hdd_validate_context(hdd_ctx)) |
| return; |
| |
| hdd_ipa = (struct hdd_ipa_priv *)hdd_ctx->hdd_ipa; |
| |
| qdf_mutex_create(&hdd_ipa->rt_debug_lock); |
| hdd_ipa->rt_buf_fill_index = 0; |
| qdf_mem_zero(hdd_ipa->rt_bug_buffer, |
| sizeof(struct uc_rt_debug_info) * |
| HDD_IPA_UC_RT_DEBUG_BUF_COUNT); |
| hdd_ipa->ipa_tx_forward = 0; |
| hdd_ipa->ipa_rx_discard = 0; |
| hdd_ipa->ipa_rx_net_send_count = 0; |
| hdd_ipa->ipa_rx_internel_drop_count = 0; |
| hdd_ipa->ipa_rx_destructor_count = 0; |
| |
| /* Reatime debug enable on feature enable */ |
| if (!hdd_ipa_is_rt_debugging_enabled(hdd_ctx)) { |
| hdd_notice("IPA RT debug is not enabled"); |
| return; |
| } |
| |
| qdf_mc_timer_init(&hdd_ipa->rt_debug_fill_timer, QDF_TIMER_TYPE_SW, |
| hdd_ipa_uc_rt_debug_host_fill, (void *)hdd_ctx); |
| qdf_mc_timer_start(&hdd_ipa->rt_debug_fill_timer, |
| HDD_IPA_UC_RT_DEBUG_FILL_INTERVAL); |
| |
| qdf_mc_timer_init(&hdd_ipa->rt_debug_timer, QDF_TIMER_TYPE_SW, |
| hdd_ipa_uc_rt_debug_handler, (void *)hdd_ctx); |
| qdf_mc_timer_start(&hdd_ipa->rt_debug_timer, |
| HDD_IPA_UC_RT_DEBUG_PERIOD); |
| |
| } |
| |
| /** |
| * hdd_ipa_dump_hdd_ipa() - dump entries in HDD IPA struct |
| * @hdd_ipa: HDD IPA struct |
| * |
| * Dump entries in struct hdd_ipa |
| * |
| * Return: none |
| */ |
| static void hdd_ipa_dump_hdd_ipa(struct hdd_ipa_priv *hdd_ipa) |
| { |
| int i; |
| |
| /* HDD IPA */ |
| hdd_err("==== HDD IPA ====\n" |
| "num_iface: %d\n" |
| "rm_state: %d\n" |
| "rm_lock: %p\n" |
| "uc_rm_work: %p\n" |
| "uc_op_work: %p\n" |
| "wake_lock: %p\n" |
| "wake_lock_work: %p\n" |
| "wake_lock_released: %d\n" |
| "prod_client: %d\n" |
| "tx_ref_cnt: %d\n" |
| "pm_queue_head----\n" |
| "\thead: %p\n" |
| "\ttail: %p\n" |
| "\tqlen: %d\n" |
| "pm_work: %p\n" |
| "pm_lock: %p\n" |
| "suspended: %d\n", |
| hdd_ipa->num_iface, |
| hdd_ipa->rm_state, |
| &hdd_ipa->rm_lock, |
| &hdd_ipa->uc_rm_work, |
| &hdd_ipa->uc_op_work, |
| &hdd_ipa->wake_lock, |
| &hdd_ipa->wake_lock_work, |
| hdd_ipa->wake_lock_released, |
| hdd_ipa->prod_client, |
| hdd_ipa->tx_ref_cnt.counter, |
| hdd_ipa->pm_queue_head.head, |
| hdd_ipa->pm_queue_head.tail, |
| hdd_ipa->pm_queue_head.qlen, |
| &hdd_ipa->pm_work, |
| &hdd_ipa->pm_lock, |
| hdd_ipa->suspended); |
| hdd_err("\npending_hw_desc_cnt: %d\n" |
| "hw_desc_cnt: %d\n" |
| "q_lock: %p\n" |
| "freeq_cnt: %d\n" |
| "free_desc_head----\n" |
| "\tnext: %p\n" |
| "\tprev: %p\n" |
| "pend_q_cnt: %d\n" |
| "pend_desc_head----\n" |
| "\tnext: %p\n" |
| "\tprev: %p\n" |
| "hdd_ctx: %p\n" |
| "debugfs_dir: %p\n" |
| "stats: %p\n" |
| "ipv4_notifier: %p\n" |
| "curr_prod_bw: %d\n" |
| "curr_cons_bw: %d\n" |
| "activated_fw_pipe: %d\n" |
| "sap_num_connected_sta: %d\n" |
| "sta_connected: %d\n", |
| hdd_ipa->pending_hw_desc_cnt, |
| hdd_ipa->hw_desc_cnt, |
| &hdd_ipa->q_lock, |
| hdd_ipa->freeq_cnt, |
| hdd_ipa->free_desc_head.next, |
| hdd_ipa->free_desc_head.prev, |
| hdd_ipa->pend_q_cnt, |
| hdd_ipa->pend_desc_head.next, |
| hdd_ipa->pend_desc_head.prev, |
| hdd_ipa->hdd_ctx, |
| hdd_ipa->debugfs_dir, |
| &hdd_ipa->stats, |
| &hdd_ipa->ipv4_notifier, |
| hdd_ipa->curr_prod_bw, |
| hdd_ipa->curr_cons_bw, |
| hdd_ipa->activated_fw_pipe, |
| hdd_ipa->sap_num_connected_sta, |
| (unsigned int)hdd_ipa->sta_connected |
| ); |
| hdd_err("\ntx_pipe_handle: 0x%x\n" |
| "rx_pipe_handle: 0x%x\n" |
| "resource_loading: %d\n" |
| "resource_unloading: %d\n" |
| "pending_cons_req: %d\n" |
| "pending_event----\n" |
| "\tanchor.next: %p\n" |
| "\tanchor.prev: %p\n" |
| "\tcount: %d\n" |
| "\tmax_size: %d\n" |
| "event_lock: %p\n" |
| "ipa_tx_packets_diff: %d\n" |
| "ipa_rx_packets_diff: %d\n" |
| "ipa_p_tx_packets: %d\n" |
| "ipa_p_rx_packets: %d\n" |
| "stat_req_reason: %d\n", |
| hdd_ipa->tx_pipe_handle, |
| hdd_ipa->rx_pipe_handle, |
| hdd_ipa->resource_loading, |
| hdd_ipa->resource_unloading, |
| hdd_ipa->pending_cons_req, |
| hdd_ipa->pending_event.anchor.next, |
| hdd_ipa->pending_event.anchor.prev, |
| hdd_ipa->pending_event.count, |
| hdd_ipa->pending_event.max_size, |
| &hdd_ipa->event_lock, |
| hdd_ipa->ipa_tx_packets_diff, |
| hdd_ipa->ipa_rx_packets_diff, |
| hdd_ipa->ipa_p_tx_packets, |
| hdd_ipa->ipa_p_rx_packets, |
| hdd_ipa->stat_req_reason); |
| |
| hdd_err("assoc_stas_map([id]is_reserved/sta_id): "); |
| for (i = 0; i < WLAN_MAX_STA_COUNT; i++) { |
| hdd_err(" [%d]%d/%d", i, |
| hdd_ipa->assoc_stas_map[i].is_reserved, |
| hdd_ipa->assoc_stas_map[i].sta_id); |
| } |
| } |
| |
| /** |
| * hdd_ipa_dump_sys_pipe() - dump HDD IPA SYS Pipe struct |
| * @hdd_ipa: HDD IPA struct |
| * |
| * Dump entire struct hdd_ipa_sys_pipe |
| * |
| * Return: none |
| */ |
| static void hdd_ipa_dump_sys_pipe(struct hdd_ipa_priv *hdd_ipa) |
| { |
| int i; |
| |
| /* IPA SYS Pipes */ |
| hdd_err("==== IPA SYS Pipes ====\n"); |
| |
| for (i = 0; i < HDD_IPA_MAX_SYSBAM_PIPE; i++) { |
| struct hdd_ipa_sys_pipe *sys_pipe; |
| struct ipa_sys_connect_params *ipa_sys_params; |
| |
| sys_pipe = &hdd_ipa->sys_pipe[i]; |
| ipa_sys_params = &sys_pipe->ipa_sys_params; |
| |
| hdd_err("sys_pipe[%d]----\n" |
| "\tconn_hdl: 0x%x\n" |
| "\tconn_hdl_valid: %d\n" |
| "\tnat_en: %d\n" |
| "\thdr_len %d\n" |
| "\thdr_additional_const_len: %d\n" |
| "\thdr_ofst_pkt_size_valid: %d\n" |
| "\thdr_ofst_pkt_size: %d\n" |
| "\thdr_little_endian: %d\n" |
| "\tmode: %d\n" |
| "\tclient: %d\n" |
| "\tdesc_fifo_sz: %d\n" |
| "\tpriv: %p\n" |
| "\tnotify: %p\n" |
| "\tskip_ep_cfg: %d\n" |
| "\tkeep_ipa_awake: %d\n", |
| i, |
| sys_pipe->conn_hdl, |
| sys_pipe->conn_hdl_valid, |
| ipa_sys_params->ipa_ep_cfg.nat.nat_en, |
| ipa_sys_params->ipa_ep_cfg.hdr.hdr_len, |
| ipa_sys_params->ipa_ep_cfg.hdr.hdr_additional_const_len, |
| ipa_sys_params->ipa_ep_cfg.hdr.hdr_ofst_pkt_size_valid, |
| ipa_sys_params->ipa_ep_cfg.hdr.hdr_ofst_pkt_size, |
| ipa_sys_params->ipa_ep_cfg.hdr_ext.hdr_little_endian, |
| ipa_sys_params->ipa_ep_cfg.mode.mode, |
| ipa_sys_params->client, |
| ipa_sys_params->desc_fifo_sz, |
| ipa_sys_params->priv, |
| ipa_sys_params->notify, |
| ipa_sys_params->skip_ep_cfg, |
| ipa_sys_params->keep_ipa_awake); |
| } |
| } |
| |
| /** |
| * hdd_ipa_dump_iface_context() - dump HDD IPA Interface Context struct |
| * @hdd_ipa: HDD IPA struct |
| * |
| * Dump entire struct hdd_ipa_iface_context |
| * |
| * Return: none |
| */ |
| static void hdd_ipa_dump_iface_context(struct hdd_ipa_priv *hdd_ipa) |
| { |
| int i; |
| |
| /* IPA Interface Contexts */ |
| hdd_err("==== IPA Interface Contexts ====\n"); |
| |
| for (i = 0; i < HDD_IPA_MAX_IFACE; i++) { |
| struct hdd_ipa_iface_context *iface_context; |
| |
| iface_context = &hdd_ipa->iface_context[i]; |
| |
| hdd_err("iface_context[%d]----\n" |
| "\thdd_ipa: %p\n" |
| "\tadapter: %p\n" |
| "\ttl_context: %p\n" |
| "\tcons_client: %d\n" |
| "\tprod_client: %d\n" |
| "\tiface_id: %d\n" |
| "\tsta_id: %d\n" |
| "\tinterface_lock: %p\n" |
| "\tifa_address: 0x%x\n", |
| i, |
| iface_context->hdd_ipa, |
| iface_context->adapter, |
| iface_context->tl_context, |
| iface_context->cons_client, |
| iface_context->prod_client, |
| iface_context->iface_id, |
| iface_context->sta_id, |
| &iface_context->interface_lock, |
| iface_context->ifa_address); |
| } |
| } |
| |
| /** |
| * hdd_ipa_dump_info() - dump HDD IPA struct |
| * @pHddCtx: hdd main context |
| * |
| * Dump entire struct hdd_ipa |
| * |
| * Return: none |
| */ |
| void hdd_ipa_dump_info(hdd_context_t *hdd_ctx) |
| { |
| struct hdd_ipa_priv *hdd_ipa = (struct hdd_ipa_priv *)hdd_ctx->hdd_ipa; |
| |
| hdd_ipa_dump_hdd_ipa(hdd_ipa); |
| hdd_ipa_dump_sys_pipe(hdd_ipa); |
| hdd_ipa_dump_iface_context(hdd_ipa); |
| } |
| |
| /** |
| * __hdd_ipa_uc_stat_query() - Query the IPA stats |
| * @hdd_ctx: Global HDD context |
| * @ipa_tx_diff: tx packet count diff from previous tx packet count |
| * @ipa_rx_diff: rx packet count diff from previous rx packet count |
| * |
| * Return: true if IPA is enabled, false otherwise |
| */ |
| static void __hdd_ipa_uc_stat_query(hdd_context_t *hdd_ctx, |
| uint32_t *ipa_tx_diff, uint32_t *ipa_rx_diff) |
| { |
| struct hdd_ipa_priv *hdd_ipa; |
| |
| *ipa_tx_diff = 0; |
| *ipa_rx_diff = 0; |
| |
| if (wlan_hdd_validate_context(hdd_ctx)) |
| return; |
| |
| hdd_ipa = (struct hdd_ipa_priv *)hdd_ctx->hdd_ipa; |
| |
| if (!hdd_ipa_is_enabled(hdd_ctx) || |
| !(hdd_ipa_uc_is_enabled(hdd_ctx))) { |
| return; |
| } |
| |
| qdf_mutex_acquire(&hdd_ipa->ipa_lock); |
| if ((HDD_IPA_UC_NUM_WDI_PIPE == hdd_ipa->activated_fw_pipe) && |
| (false == hdd_ipa->resource_loading)) { |
| *ipa_tx_diff = hdd_ipa->ipa_tx_packets_diff; |
| *ipa_rx_diff = hdd_ipa->ipa_rx_packets_diff; |
| hdd_debug("STAT Query TX DIFF %d, RX DIFF %d", |
| *ipa_tx_diff, *ipa_rx_diff); |
| } |
| qdf_mutex_release(&hdd_ipa->ipa_lock); |
| return; |
| } |
| |
| /** |
| * hdd_ipa_uc_stat_query() - SSR wrapper for __hdd_ipa_uc_stat_query |
| * @hdd_ctx: Global HDD context |
| * @ipa_tx_diff: tx packet count diff from previous tx packet count |
| * @ipa_rx_diff: rx packet count diff from previous rx packet count |
| * |
| * Return: true if IPA is enabled, false otherwise |
| */ |
| void hdd_ipa_uc_stat_query(hdd_context_t *hdd_ctx, |
| uint32_t *ipa_tx_diff, uint32_t *ipa_rx_diff) |
| { |
| cds_ssr_protect(__func__); |
| __hdd_ipa_uc_stat_query(hdd_ctx, ipa_tx_diff, ipa_rx_diff); |
| cds_ssr_unprotect(__func__); |
| } |
| |
| /** |
| * __hdd_ipa_uc_stat_request() - Get IPA stats from IPA. |
| * @adapter: network adapter |
| * @reason: STAT REQ Reason |
| * |
| * Return: None |
| */ |
| static void __hdd_ipa_uc_stat_request(hdd_adapter_t *adapter, uint8_t reason) |
| { |
| hdd_context_t *hdd_ctx; |
| struct hdd_ipa_priv *hdd_ipa; |
| |
| if (!adapter) { |
| return; |
| } |
| |
| hdd_ctx = (hdd_context_t *)adapter->pHddCtx; |
| |
| if (wlan_hdd_validate_context(hdd_ctx)) |
| return; |
| |
| hdd_ipa = (struct hdd_ipa_priv *)hdd_ctx->hdd_ipa; |
| if (!hdd_ipa_is_enabled(hdd_ctx) || |
| !(hdd_ipa_uc_is_enabled(hdd_ctx))) { |
| return; |
| } |
| |
| hdd_debug("STAT REQ Reason %d", reason); |
| qdf_mutex_acquire(&hdd_ipa->ipa_lock); |
| if ((HDD_IPA_UC_NUM_WDI_PIPE == hdd_ipa->activated_fw_pipe) && |
| (false == hdd_ipa->resource_loading)) { |
| hdd_ipa->stat_req_reason = reason; |
| wma_cli_set_command( |
| (int)adapter->sessionId, |
| (int)WMA_VDEV_TXRX_GET_IPA_UC_FW_STATS_CMDID, |
| 0, VDEV_CMD); |
| } |
| qdf_mutex_release(&hdd_ipa->ipa_lock); |
| } |
| |
| /** |
| * hdd_ipa_uc_stat_request() - SSR wrapper for __hdd_ipa_uc_stat_request |
| * @adapter: network adapter |
| * @reason: STAT REQ Reason |
| * |
| * Return: None |
| */ |
| void hdd_ipa_uc_stat_request(hdd_adapter_t *adapter, uint8_t reason) |
| { |
| cds_ssr_protect(__func__); |
| __hdd_ipa_uc_stat_request(adapter, reason); |
| cds_ssr_unprotect(__func__); |
| } |
| |
| /** |
| * hdd_ipa_uc_find_add_assoc_sta() - Find associated station |
| * @hdd_ipa: Global HDD IPA context |
| * @sta_add: Should station be added |
| * @sta_id: ID of the station being queried |
| * |
| * Return: true if the station was found |
| */ |
| static bool hdd_ipa_uc_find_add_assoc_sta(struct hdd_ipa_priv *hdd_ipa, |
| bool sta_add, uint8_t sta_id) |
| { |
| bool sta_found = false; |
| uint8_t idx; |
| for (idx = 0; idx < WLAN_MAX_STA_COUNT; idx++) { |
| if ((hdd_ipa->assoc_stas_map[idx].is_reserved) && |
| (hdd_ipa->assoc_stas_map[idx].sta_id == sta_id)) { |
| sta_found = true; |
| break; |
| } |
| } |
| if (sta_add && sta_found) { |
| HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, |
| "%s: STA ID %d already exist, cannot add", |
| __func__, sta_id); |
| return sta_found; |
| } |
| if (sta_add) { |
| for (idx = 0; idx < WLAN_MAX_STA_COUNT; idx++) { |
| if (!hdd_ipa->assoc_stas_map[idx].is_reserved) { |
| hdd_ipa->assoc_stas_map[idx].is_reserved = true; |
| hdd_ipa->assoc_stas_map[idx].sta_id = sta_id; |
| return sta_found; |
| } |
| } |
| } |
| if (!sta_add && !sta_found) { |
| HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, |
| "%s: STA ID %d does not exist, cannot delete", |
| __func__, sta_id); |
| return sta_found; |
| } |
| if (!sta_add) { |
| for (idx = 0; idx < WLAN_MAX_STA_COUNT; idx++) { |
| if ((hdd_ipa->assoc_stas_map[idx].is_reserved) && |
| (hdd_ipa->assoc_stas_map[idx].sta_id == sta_id)) { |
| hdd_ipa->assoc_stas_map[idx].is_reserved = |
| false; |
| hdd_ipa->assoc_stas_map[idx].sta_id = 0xFF; |
| return sta_found; |
| } |
| } |
| } |
| return sta_found; |
| } |
| |
| /** |
| * hdd_ipa_uc_enable_pipes() - Enable IPA uC pipes |
| * @hdd_ipa: Global HDD IPA context |
| * |
| * Return: 0 on success, negative errno if error |
| */ |
| static int hdd_ipa_uc_enable_pipes(struct hdd_ipa_priv *hdd_ipa) |
| { |
| int result; |
| p_cds_contextType cds_ctx = hdd_ipa->hdd_ctx->pcds_context; |
| void *soc = cds_get_context(QDF_MODULE_ID_SOC); |
| |
| /* ACTIVATE TX PIPE */ |
| HDD_IPA_LOG(QDF_TRACE_LEVEL_INFO, |
| "%s: Enable TX PIPE(tx_pipe_handle=%d)", |
| __func__, hdd_ipa->tx_pipe_handle); |
| result = ipa_enable_wdi_pipe(hdd_ipa->tx_pipe_handle); |
| if (result) { |
| HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, |
| "%s: Enable TX PIPE fail, code %d", |
| __func__, result); |
| return result; |
| } |
| result = ipa_resume_wdi_pipe(hdd_ipa->tx_pipe_handle); |
| if (result) { |
| HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, |
| "%s: Resume TX PIPE fail, code %d", |
| __func__, result); |
| return result; |
| } |
| cdp_ipa_set_active(soc, cds_ctx->pdev_txrx_ctx, true, true); |
| |
| /* ACTIVATE RX PIPE */ |
| HDD_IPA_LOG(QDF_TRACE_LEVEL_INFO, |
| "%s: Enable RX PIPE(rx_pipe_handle=%d)", |
| __func__, hdd_ipa->rx_pipe_handle); |
| result = ipa_enable_wdi_pipe(hdd_ipa->rx_pipe_handle); |
| if (result) { |
| HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, |
| "%s: Enable RX PIPE fail, code %d", |
| __func__, result); |
| return result; |
| } |
| result = ipa_resume_wdi_pipe(hdd_ipa->rx_pipe_handle); |
| if (result) { |
| HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, |
| "%s: Resume RX PIPE fail, code %d", |
| __func__, result); |
| return result; |
| } |
| cdp_ipa_set_active(soc, cds_ctx->pdev_txrx_ctx, true, false); |
| hdd_ipa->ipa_pipes_down = false; |
| return 0; |
| } |
| |
| /** |
| * hdd_ipa_uc_disable_pipes() - Disable IPA uC pipes |
| * @hdd_ipa: Global HDD IPA context |
| * |
| * Return: 0 on success, negative errno if error |
| */ |
| static int hdd_ipa_uc_disable_pipes(struct hdd_ipa_priv *hdd_ipa) |
| { |
| int result; |
| |
| hdd_ipa->ipa_pipes_down = true; |
| |
| HDD_IPA_LOG(QDF_TRACE_LEVEL_INFO, "%s: Disable RX PIPE", __func__); |
| result = ipa_suspend_wdi_pipe(hdd_ipa->rx_pipe_handle); |
| if (result) { |
| HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, |
| "%s: Suspend RX PIPE fail, code %d", |
| __func__, result); |
| return result; |
| } |
| result = ipa_disable_wdi_pipe(hdd_ipa->rx_pipe_handle); |
| if (result) { |
| HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, |
| "%s: Disable RX PIPE fail, code %d", |
| __func__, result); |
| return result; |
| } |
| |
| HDD_IPA_LOG(QDF_TRACE_LEVEL_INFO, "%s: Disable TX PIPE", __func__); |
| result = ipa_suspend_wdi_pipe(hdd_ipa->tx_pipe_handle); |
| if (result) { |
| HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, |
| "%s: Suspend TX PIPE fail, code %d", |
| __func__, result); |
| return result; |
| } |
| result = ipa_disable_wdi_pipe(hdd_ipa->tx_pipe_handle); |
| if (result) { |
| HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, |
| "%s: Disable TX PIPE fail, code %d", |
| __func__, result); |
| return result; |
| } |
| |
| return 0; |
| } |
| |
| /** |
| * hdd_ipa_uc_handle_first_con() - Handle first uC IPA connection |
| * @hdd_ipa: Global HDD IPA context |
| * |
| * Return: 0 on success, negative errno if error |
| */ |
| static int hdd_ipa_uc_handle_first_con(struct hdd_ipa_priv *hdd_ipa) |
| { |
| hdd_ipa->activated_fw_pipe = 0; |
| hdd_ipa->resource_loading = true; |
| |
| /* If RM feature enabled |
| * Request PROD Resource first |
| * PROD resource may return sync or async manners */ |
| if (hdd_ipa_is_rm_enabled(hdd_ipa->hdd_ctx)) { |
| if (!ipa_rm_request_resource(IPA_RM_RESOURCE_WLAN_PROD)) { |
| /* RM PROD request sync return |
| * enable pipe immediately |
| */ |
| if (hdd_ipa_uc_enable_pipes(hdd_ipa)) { |
| HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, |
| "%s: IPA WDI Pipe activation failed", |
| __func__); |
| hdd_ipa->resource_loading = false; |
| return -EBUSY; |
| } |
| } |
| } else { |
| /* RM Disabled |
| * Just enabled all the PIPEs |
| */ |
| if (hdd_ipa_uc_enable_pipes(hdd_ipa)) { |
| HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, |
| "%s: IPA WDI Pipe activation failed", |
| __func__); |
| hdd_ipa->resource_loading = false; |
| return -EBUSY; |
| } |
| hdd_ipa->resource_loading = false; |
| } |
| |
| HDD_IPA_LOG(QDF_TRACE_LEVEL_INFO, |
| "%s: IPA WDI Pipes activated successfully", __func__); |
| return 0; |
| } |
| |
| /** |
| * hdd_ipa_uc_handle_last_discon() - Handle last uC IPA disconnection |
| * @hdd_ipa: Global HDD IPA context |
| * |
| * Return: None |
| */ |
| static void hdd_ipa_uc_handle_last_discon(struct hdd_ipa_priv *hdd_ipa) |
| { |
| p_cds_contextType cds_ctx = hdd_ipa->hdd_ctx->pcds_context; |
| void *soc = cds_get_context(QDF_MODULE_ID_SOC); |
| |
| if (!cds_ctx || !cds_ctx->pdev_txrx_ctx) { |
| HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, "txrx context is NULL"); |
| QDF_ASSERT(0); |
| return; |
| } |
| |
| hdd_ipa->resource_unloading = true; |
| HDD_IPA_LOG(QDF_TRACE_LEVEL_INFO, "%s: Disable FW RX PIPE", __func__); |
| cdp_ipa_set_active(soc, cds_ctx->pdev_txrx_ctx, false, false); |
| HDD_IPA_LOG(QDF_TRACE_LEVEL_INFO, "%s: Disable FW TX PIPE", __func__); |
| cdp_ipa_set_active(soc, cds_ctx->pdev_txrx_ctx, false, true); |
| } |
| |
| /** |
| * hdd_ipa_uc_rm_notify_handler() - IPA uC resource notification handler |
| * @context: User context registered with TL (the IPA Global context is |
| * registered |
| * @rxpkt: Packet containing the notification |
| * @staid: ID of the station associated with the packet |
| * |
| * Return: None |
| */ |
| static void |
| hdd_ipa_uc_rm_notify_handler(void *context, enum ipa_rm_event event) |
| { |
| struct hdd_ipa_priv *hdd_ipa = context; |
| QDF_STATUS status = QDF_STATUS_SUCCESS; |
| |
| /* |
| * When SSR is going on or driver is unloading, just return. |
| */ |
| status = wlan_hdd_validate_context(hdd_ipa->hdd_ctx); |
| if (status) |
| return; |
| |
| if (!hdd_ipa_is_rm_enabled(hdd_ipa->hdd_ctx)) |
| return; |
| |
| HDD_IPA_LOG(QDF_TRACE_LEVEL_INFO, "%s, event code %d", |
| __func__, event); |
| |
| switch (event) { |
| case IPA_RM_RESOURCE_GRANTED: |
| /* Differed RM Granted */ |
| hdd_ipa_uc_enable_pipes(hdd_ipa); |
| qdf_mutex_acquire(&hdd_ipa->ipa_lock); |
| if ((false == hdd_ipa->resource_unloading) && |
| (!hdd_ipa->activated_fw_pipe)) { |
| hdd_ipa_uc_enable_pipes(hdd_ipa); |
| } |
| qdf_mutex_release(&hdd_ipa->ipa_lock); |
| break; |
| |
| case IPA_RM_RESOURCE_RELEASED: |
| /* Differed RM Released */ |
| hdd_ipa->resource_unloading = false; |
| break; |
| |
| default: |
| HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, |
| "%s, invalid event code %d", __func__, event); |
| break; |
| } |
| } |
| |
| /** |
| * hdd_ipa_uc_rm_notify_defer() - Defer IPA uC notification |
| * @hdd_ipa: Global HDD IPA context |
| * @event: IPA resource manager event to be deferred |
| * |
| * This function is called when a resource manager event is received |
| * from firmware in interrupt context. This function will defer the |
| * handling to the OL RX thread |
| * |
| * Return: None |
| */ |
| static void hdd_ipa_uc_rm_notify_defer(struct work_struct *work) |
| { |
| enum ipa_rm_event event; |
| struct uc_rm_work_struct *uc_rm_work = container_of(work, |
| struct uc_rm_work_struct, work); |
| struct hdd_ipa_priv *hdd_ipa = container_of(uc_rm_work, |
| struct hdd_ipa_priv, uc_rm_work); |
| |
| cds_ssr_protect(__func__); |
| event = uc_rm_work->event; |
| HDD_IPA_LOG(QDF_TRACE_LEVEL_INFO_HIGH, |
| "%s, posted event %d", __func__, event); |
| |
| hdd_ipa_uc_rm_notify_handler(hdd_ipa, event); |
| cds_ssr_unprotect(__func__); |
| |
| return; |
| } |
| |
| /** |
| * hdd_ipa_uc_op_cb() - IPA uC operation callback |
| * @op_msg: operation message received from firmware |
| * @usr_ctxt: user context registered with TL (we register the HDD Global |
| * context) |
| * |
| * Return: None |
| */ |
| static void hdd_ipa_uc_op_cb(struct op_msg_type *op_msg, void *usr_ctxt) |
| { |
| struct op_msg_type *msg = op_msg; |
| struct ipa_uc_fw_stats *uc_fw_stat; |
| struct IpaHwStatsWDIInfoData_t ipa_stat; |
| struct hdd_ipa_priv *hdd_ipa; |
| hdd_context_t *hdd_ctx; |
| QDF_STATUS status = QDF_STATUS_SUCCESS; |
| |
| if (!op_msg || !usr_ctxt) { |
| HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, "%s, INVALID ARG", __func__); |
| return; |
| } |
| |
| if (HDD_IPA_UC_OPCODE_MAX <= msg->op_code) { |
| HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, |
| "%s, INVALID OPCODE %d", __func__, msg->op_code); |
| return; |
| } |
| |
| hdd_ctx = (hdd_context_t *) usr_ctxt; |
| |
| /* |
| * When SSR is going on or driver is unloading, just return. |
| */ |
| status = wlan_hdd_validate_context(hdd_ctx); |
| if (status) { |
| qdf_mem_free(op_msg); |
| return; |
| } |
| |
| hdd_ipa = (struct hdd_ipa_priv *)hdd_ctx->hdd_ipa; |
| |
| HDD_IPA_DP_LOG(QDF_TRACE_LEVEL_DEBUG, |
| "%s, OPCODE %s", __func__, op_string[msg->op_code]); |
| |
| if ((HDD_IPA_UC_OPCODE_TX_RESUME == msg->op_code) || |
| (HDD_IPA_UC_OPCODE_RX_RESUME == msg->op_code)) { |
| qdf_mutex_acquire(&hdd_ipa->ipa_lock); |
| hdd_ipa->activated_fw_pipe++; |
| if (HDD_IPA_UC_NUM_WDI_PIPE == hdd_ipa->activated_fw_pipe) { |
| hdd_ipa->resource_loading = false; |
| hdd_ipa_uc_proc_pending_event(hdd_ipa); |
| if (hdd_ipa->pending_cons_req) |
| ipa_rm_notify_completion( |
| IPA_RM_RESOURCE_GRANTED, |
| IPA_RM_RESOURCE_WLAN_CONS); |
| hdd_ipa->pending_cons_req = false; |
| } |
| qdf_mutex_release(&hdd_ipa->ipa_lock); |
| } else if ((HDD_IPA_UC_OPCODE_TX_SUSPEND == msg->op_code) || |
| (HDD_IPA_UC_OPCODE_RX_SUSPEND == msg->op_code)) { |
| qdf_mutex_acquire(&hdd_ipa->ipa_lock); |
| hdd_ipa->activated_fw_pipe--; |
| if (!hdd_ipa->activated_fw_pipe) { |
| hdd_ipa_uc_disable_pipes(hdd_ipa); |
| if (hdd_ipa_is_rm_enabled(hdd_ipa->hdd_ctx)) |
| ipa_rm_release_resource( |
| IPA_RM_RESOURCE_WLAN_PROD); |
| /* Sync return success from IPA |
| * Enable/resume all the PIPEs */ |
| hdd_ipa->resource_unloading = false; |
| hdd_ipa_uc_proc_pending_event(hdd_ipa); |
| hdd_ipa->pending_cons_req = false; |
| } |
| qdf_mutex_release(&hdd_ipa->ipa_lock); |
| } else if ((HDD_IPA_UC_OPCODE_STATS == msg->op_code) && |
| (HDD_IPA_UC_STAT_REASON_DEBUG == hdd_ipa->stat_req_reason)) { |
| struct ol_txrx_ipa_resources *res = &hdd_ipa->ipa_resource; |
| /* STATs from host */ |
| QDF_TRACE(QDF_MODULE_ID_HDD, QDF_TRACE_LEVEL_ERROR, |
| "==== IPA_UC WLAN_HOST CE ====\n" |
| "CE RING BASE: 0x%llx\n" |
| "CE RING SIZE: %d\n" |
| "CE REG ADDR : 0x%llx", |
| (unsigned long long)res->ce_sr_base_paddr, |
| res->ce_sr_ring_size, |
| (unsigned long long)res->ce_reg_paddr); |
| QDF_TRACE(QDF_MODULE_ID_HDD, QDF_TRACE_LEVEL_ERROR, |
| "==== IPA_UC WLAN_HOST TX ====\n" |
| "COMP RING BASE: 0x%llx\n" |
| "COMP RING SIZE: %d\n" |
| "NUM ALLOC BUF: %d\n" |
| "COMP RING DBELL : 0x%llx", |
| (unsigned long long)res->tx_comp_ring_base_paddr, |
| res->tx_comp_ring_size, |
| res->tx_num_alloc_buffer, |
| (unsigned long long)hdd_ipa->tx_comp_doorbell_paddr); |
| QDF_TRACE(QDF_MODULE_ID_HDD, QDF_TRACE_LEVEL_ERROR, |
| "==== IPA_UC WLAN_HOST RX ====\n" |
| "IND RING BASE: 0x%llx\n" |
| "IND RING SIZE: %d\n" |
| "IND RING DBELL : 0x%llx\n" |
| "PROC DONE IND ADDR : 0x%llx\n" |
| "NUM EXCP PKT : %llu\n" |
| "NUM TX FWD OK : %llu\n" |
| "NUM TX FWD ERR : %llu", |
| res->rx_rdy_ring_base_paddr, |
| res->rx_rdy_ring_size, |
| hdd_ipa->rx_ready_doorbell_paddr, |
| res->rx_proc_done_idx_paddr, |
| hdd_ipa->stats.num_rx_excep, |
| hdd_ipa->stats.num_tx_fwd_ok, |
| hdd_ipa->stats.num_tx_fwd_err); |
| QDF_TRACE(QDF_MODULE_ID_HDD, QDF_TRACE_LEVEL_ERROR, |
| "==== IPA_UC WLAN_HOST CONTROL ====\n" |
| "SAP NUM STAs: %d\n" |
| "STA CONNECTED: %d\n" |
| "CONCURRENT MODE: %s\n" |
| "TX PIPE HDL: 0x%x\n" |
| "RX PIPE HDL : 0x%x\n" |
| "RSC LOADING : %d\n" |
| "RSC UNLOADING : %d\n" |
| "PNDNG CNS RQT : %d", |
| hdd_ipa->sap_num_connected_sta, |
| hdd_ipa->sta_connected, |
| (hdd_ctx->mcc_mode ? "MCC" : "SCC"), |
| hdd_ipa->tx_pipe_handle, |
| hdd_ipa->rx_pipe_handle, |
| hdd_ipa->resource_loading, |
| hdd_ipa->resource_unloading, |
| hdd_ipa->pending_cons_req); |
| |
| /* STATs from FW */ |
| uc_fw_stat = (struct ipa_uc_fw_stats *) |
| ((uint8_t *)op_msg + sizeof(struct op_msg_type)); |
| QDF_TRACE(QDF_MODULE_ID_HDD, QDF_TRACE_LEVEL_ERROR, |
| "==== IPA_UC WLAN_FW TX ====\n" |
| "COMP RING BASE: 0x%x\n" |
| "COMP RING SIZE: %d\n" |
| "COMP RING DBELL : 0x%x\n" |
| "COMP RING DBELL IND VAL : %d\n" |
| "COMP RING DBELL CACHED VAL : %d\n" |
| "COMP RING DBELL CACHED VAL : %d\n" |
| "PKTS ENQ : %d\n" |
| "PKTS COMP : %d\n" |
| "IS SUSPEND : %d\n" |
| "RSVD : 0x%x", |
| uc_fw_stat->tx_comp_ring_base, |
| uc_fw_stat->tx_comp_ring_size, |
| uc_fw_stat->tx_comp_ring_dbell_addr, |
| uc_fw_stat->tx_comp_ring_dbell_ind_val, |
| uc_fw_stat->tx_comp_ring_dbell_cached_val, |
| uc_fw_stat->tx_comp_ring_dbell_cached_val, |
| uc_fw_stat->tx_pkts_enqueued, |
| uc_fw_stat->tx_pkts_completed, |
| uc_fw_stat->tx_is_suspend, |
| uc_fw_stat->tx_reserved); |
| QDF_TRACE(QDF_MODULE_ID_HDD, QDF_TRACE_LEVEL_ERROR, |
| "==== IPA_UC WLAN_FW RX ====\n" |
| "IND RING BASE: 0x%x\n" |
| "IND RING SIZE: %d\n" |
| "IND RING DBELL : 0x%x\n" |
| "IND RING DBELL IND VAL : %d\n" |
| "IND RING DBELL CACHED VAL : %d\n" |
| "RDY IND ADDR : 0x%x\n" |
| "RDY IND CACHE VAL : %d\n" |
| "RFIL IND : %d\n" |
| "NUM PKT INDICAT : %d\n" |
| "BUF REFIL : %d\n" |
| "NUM DROP NO SPC : %d\n" |
| "NUM DROP NO BUF : %d\n" |
| "IS SUSPND : %d\n" |
| "RSVD : 0x%x\n", |
| uc_fw_stat->rx_ind_ring_base, |
| uc_fw_stat->rx_ind_ring_size, |
| uc_fw_stat->rx_ind_ring_dbell_addr, |
| uc_fw_stat->rx_ind_ring_dbell_ind_val, |
| uc_fw_stat->rx_ind_ring_dbell_ind_cached_val, |
| uc_fw_stat->rx_ind_ring_rdidx_addr, |
| uc_fw_stat->rx_ind_ring_rd_idx_cached_val, |
| uc_fw_stat->rx_refill_idx, |
| uc_fw_stat->rx_num_pkts_indicated, |
| uc_fw_stat->rx_buf_refilled, |
| uc_fw_stat->rx_num_ind_drop_no_space, |
| uc_fw_stat->rx_num_ind_drop_no_buf, |
| uc_fw_stat->rx_is_suspend, |
| uc_fw_stat->rx_reserved); |
| /* STATs from IPA */ |
| ipa_get_wdi_stats(&ipa_stat); |
| QDF_TRACE(QDF_MODULE_ID_HDD, QDF_TRACE_LEVEL_ERROR, |
| "==== IPA_UC IPA TX ====\n" |
| "NUM PROCD : %d\n" |
| "CE DBELL : 0x%x\n" |
| "NUM DBELL FIRED : %d\n" |
| "COMP RNG FULL : %d\n" |
| "COMP RNG EMPT : %d\n" |
| "COMP RNG USE HGH : %d\n" |
| "COMP RNG USE LOW : %d\n" |
| "BAM FIFO FULL : %d\n" |
| "BAM FIFO EMPT : %d\n" |
| "BAM FIFO USE HGH : %d\n" |
| "BAM FIFO USE LOW : %d\n" |
| "NUM DBELL : %d\n" |
| "NUM UNEXP DBELL : %d\n" |
| "NUM BAM INT HDL : 0x%x\n" |
| "NUM BAM INT NON-RUN : 0x%x\n" |
| "NUM QMB INT HDL : 0x%x", |
| ipa_stat.tx_ch_stats.num_pkts_processed, |
| ipa_stat.tx_ch_stats.copy_engine_doorbell_value, |
| ipa_stat.tx_ch_stats.num_db_fired, |
| ipa_stat.tx_ch_stats.tx_comp_ring_stats.ringFull, |
| ipa_stat.tx_ch_stats.tx_comp_ring_stats.ringEmpty, |
| ipa_stat.tx_ch_stats.tx_comp_ring_stats.ringUsageHigh, |
| ipa_stat.tx_ch_stats.tx_comp_ring_stats.ringUsageLow, |
| ipa_stat.tx_ch_stats.bam_stats.bamFifoFull, |
| ipa_stat.tx_ch_stats.bam_stats.bamFifoEmpty, |
| ipa_stat.tx_ch_stats.bam_stats.bamFifoUsageHigh, |
| ipa_stat.tx_ch_stats.bam_stats.bamFifoUsageLow, |
| ipa_stat.tx_ch_stats.num_db, |
| ipa_stat.tx_ch_stats.num_unexpected_db, |
| ipa_stat.tx_ch_stats.num_bam_int_handled, |
| ipa_stat.tx_ch_stats. |
| num_bam_int_in_non_runnning_state, |
| ipa_stat.tx_ch_stats.num_qmb_int_handled); |
| |
| QDF_TRACE(QDF_MODULE_ID_HDD, QDF_TRACE_LEVEL_ERROR, |
| "==== IPA_UC IPA RX ====\n" |
| "MAX OST PKT : %d\n" |
| "NUM PKT PRCSD : %d\n" |
| "RNG RP : 0x%x\n" |
| "COMP RNG FULL : %d\n" |
| "COMP RNG EMPT : %d\n" |
| "COMP RNG USE HGH : %d\n" |
| "COMP RNG USE LOW : %d\n" |
| "BAM FIFO FULL : %d\n" |
| "BAM FIFO EMPT : %d\n" |
| "BAM FIFO USE HGH : %d\n" |
| "BAM FIFO USE LOW : %d\n" |
| "NUM DB : %d\n" |
| "NUM UNEXP DB : %d\n" |
| "NUM BAM INT HNDL : 0x%x\n", |
| ipa_stat.rx_ch_stats.max_outstanding_pkts, |
| ipa_stat.rx_ch_stats.num_pkts_processed, |
| ipa_stat.rx_ch_stats.rx_ring_rp_value, |
| ipa_stat.rx_ch_stats.rx_ind_ring_stats.ringFull, |
| ipa_stat.rx_ch_stats.rx_ind_ring_stats.ringEmpty, |
| ipa_stat.rx_ch_stats.rx_ind_ring_stats.ringUsageHigh, |
| ipa_stat.rx_ch_stats.rx_ind_ring_stats.ringUsageLow, |
| ipa_stat.rx_ch_stats.bam_stats.bamFifoFull, |
| ipa_stat.rx_ch_stats.bam_stats.bamFifoEmpty, |
| ipa_stat.rx_ch_stats.bam_stats.bamFifoUsageHigh, |
| ipa_stat.rx_ch_stats.bam_stats.bamFifoUsageLow, |
| ipa_stat.rx_ch_stats.num_db, |
| ipa_stat.rx_ch_stats.num_unexpected_db, |
| ipa_stat.rx_ch_stats.num_bam_int_handled); |
| } else if ((HDD_IPA_UC_OPCODE_STATS == msg->op_code) && |
| (HDD_IPA_UC_STAT_REASON_BW_CAL == hdd_ipa->stat_req_reason)) { |
| /* STATs from FW */ |
| uc_fw_stat = (struct ipa_uc_fw_stats *) |
| ((uint8_t *)op_msg + sizeof(struct op_msg_type)); |
| qdf_mutex_acquire(&hdd_ipa->ipa_lock); |
| hdd_ipa->ipa_tx_packets_diff = HDD_BW_GET_DIFF( |
| uc_fw_stat->tx_pkts_completed, |
| hdd_ipa->ipa_p_tx_packets); |
| hdd_ipa->ipa_rx_packets_diff = HDD_BW_GET_DIFF( |
| (uc_fw_stat->rx_num_ind_drop_no_space + |
| uc_fw_stat->rx_num_ind_drop_no_buf + |
| uc_fw_stat->rx_num_pkts_indicated), |
| hdd_ipa->ipa_p_rx_packets); |
| |
| hdd_ipa->ipa_p_tx_packets = uc_fw_stat->tx_pkts_completed; |
| hdd_ipa->ipa_p_rx_packets = |
| (uc_fw_stat->rx_num_ind_drop_no_space + |
| uc_fw_stat->rx_num_ind_drop_no_buf + |
| uc_fw_stat->rx_num_pkts_indicated); |
| qdf_mutex_release(&hdd_ipa->ipa_lock); |
| } else { |
| HDD_IPA_LOG(LOGE, "Invalid message: op_code=%d, reason=%d", |
| msg->op_code, hdd_ipa->stat_req_reason); |
| } |
| qdf_mem_free(op_msg); |
| } |
| |
| |
| /** |
| * hdd_ipa_uc_offload_enable_disable() - wdi enable/disable notify to fw |
| * @adapter: device adapter instance |
| * @offload_type: MCC or SCC |
| * @enable: TX offload enable or disable |
| * |
| * Return: none |
| */ |
| static void hdd_ipa_uc_offload_enable_disable(hdd_adapter_t *adapter, |
| uint32_t offload_type, bool enable) |
| { |
| struct hdd_ipa_priv *hdd_ipa = ghdd_ipa; |
| struct sir_ipa_offload_enable_disable ipa_offload_enable_disable; |
| struct hdd_ipa_iface_context *iface_context = NULL; |
| uint8_t session_id; |
| |
| if (!adapter || !hdd_ipa) |
| return; |
| |
| iface_context = adapter->ipa_context; |
| session_id = adapter->sessionId; |
| |
| if (!iface_context) { |
| HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, |
| "Interface context is NULL"); |
| return; |
| } |
| |
| if (enable == hdd_ipa->vdev_offload_enabled[session_id]) { |
| /* IPA offload status is already set as desired */ |
| HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, |
| "%s: (offload_type=%d, vdev_id=%d, enable=%d)", |
| "IPA offload status is already set", |
| offload_type, session_id, enable); |
| return; |
| } |
| |
| if (wlan_hdd_validate_session_id(adapter->sessionId)) { |
| HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, |
| "invalid session id: %d, offload_type=%d, enable=%d", |
| adapter->sessionId, offload_type, enable); |
| return; |
| } |
| |
| qdf_mem_zero(&ipa_offload_enable_disable, |
| sizeof(ipa_offload_enable_disable)); |
| ipa_offload_enable_disable.offload_type = offload_type; |
| ipa_offload_enable_disable.vdev_id = session_id; |
| ipa_offload_enable_disable.enable = enable; |
| |
| HDD_IPA_LOG(QDF_TRACE_LEVEL_INFO, |
| "offload_type=%d, vdev_id=%d, enable=%d", |
| ipa_offload_enable_disable.offload_type, |
| ipa_offload_enable_disable.vdev_id, |
| ipa_offload_enable_disable.enable); |
| |
| if (QDF_STATUS_SUCCESS != |
| sme_ipa_offload_enable_disable(WLAN_HDD_GET_HAL_CTX(adapter), |
| adapter->sessionId, &ipa_offload_enable_disable)) { |
| HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, |
| "%s: Failure to enable IPA offload (offload_type=%d, vdev_id=%d, enable=%d)", |
| __func__, |
| ipa_offload_enable_disable.offload_type, |
| ipa_offload_enable_disable.vdev_id, |
| ipa_offload_enable_disable.enable); |
| } else { |
| /* Update the IPA offload status */ |
| hdd_ipa->vdev_offload_enabled[session_id] = |
| ipa_offload_enable_disable.enable; |
| } |
| } |
| |
| /** |
| * hdd_ipa_uc_fw_op_event_handler - IPA uC FW OPvent handler |
| * @work: uC OP work |
| * |
| * Return: None |
| */ |
| static void hdd_ipa_uc_fw_op_event_handler(struct work_struct *work) |
| { |
| struct op_msg_type *msg; |
| struct uc_op_work_struct *uc_op_work = container_of(work, |
| struct uc_op_work_struct, work); |
| struct hdd_ipa_priv *hdd_ipa = ghdd_ipa; |
| |
| cds_ssr_protect(__func__); |
| |
| msg = uc_op_work->msg; |
| uc_op_work->msg = NULL; |
| HDD_IPA_LOG(QDF_TRACE_LEVEL_INFO_HIGH, |
| "%s, posted msg %d", __func__, msg->op_code); |
| |
| hdd_ipa_uc_op_cb(msg, hdd_ipa->hdd_ctx); |
| |
| cds_ssr_unprotect(__func__); |
| |
| return; |
| } |
| |
| /** |
| * hdd_ipa_uc_op_event_handler() - Adapter lookup |
| * hdd_ipa_uc_fw_op_event_handler - IPA uC FW OPvent handler |
| * @op_msg: operation message received from firmware |
| * @hdd_ctx: Global HDD context |
| * |
| * Return: None |
| */ |
| static void hdd_ipa_uc_op_event_handler(uint8_t *op_msg, void *hdd_ctx) |
| { |
| struct hdd_ipa_priv *hdd_ipa; |
| struct op_msg_type *msg; |
| struct uc_op_work_struct *uc_op_work; |
| QDF_STATUS status = QDF_STATUS_SUCCESS; |
| |
| status = wlan_hdd_validate_context(hdd_ctx); |
| if (status) |
| goto end; |
| |
| msg = (struct op_msg_type *)op_msg; |
| hdd_ipa = ((hdd_context_t *)hdd_ctx)->hdd_ipa; |
| |
| if (unlikely(!hdd_ipa)) |
| goto end; |
| |
| if (HDD_IPA_UC_OPCODE_MAX <= msg->op_code) { |
| HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, "%s: Invalid OP Code (%d)", |
| __func__, msg->op_code); |
| goto end; |
| } |
| |
| uc_op_work = &hdd_ipa->uc_op_work[msg->op_code]; |
| if (uc_op_work->msg) |
| /* When the same uC OPCODE is already pended, just return */ |
| goto end; |
| |
| uc_op_work->msg = msg; |
| schedule_work(&uc_op_work->work); |
| return; |
| |
| end: |
| qdf_mem_free(op_msg); |
| } |
| |
| /** |
| * hdd_ipa_init_uc_op_work - init ipa uc op work |
| * @work: struct work_struct |
| * @work_handler: work_handler |
| * |
| * Return: none |
| */ |
| static void hdd_ipa_init_uc_op_work(struct work_struct *work, |
| work_func_t work_handler) |
| { |
| INIT_WORK(work, work_handler); |
| } |
| |
| |
| /** |
| * hdd_ipa_uc_ol_init() - Initialize IPA uC offload |
| * @hdd_ctx: Global HDD context |
| * |
| * Return: QDF_STATUS |
| */ |
| static QDF_STATUS hdd_ipa_uc_ol_init(hdd_context_t *hdd_ctx) |
| { |
| struct ipa_wdi_in_params pipe_in; |
| struct ipa_wdi_out_params pipe_out; |
| struct hdd_ipa_priv *ipa_ctxt = (struct hdd_ipa_priv *)hdd_ctx->hdd_ipa; |
| p_cds_contextType cds_ctx = hdd_ctx->pcds_context; |
| uint8_t i; |
| void *soc = cds_get_context(QDF_MODULE_ID_SOC); |
| |
| qdf_mem_zero(&pipe_in, sizeof(struct ipa_wdi_in_params)); |
| qdf_mem_zero(&pipe_out, sizeof(struct ipa_wdi_out_params)); |
| |
| qdf_list_create(&ipa_ctxt->pending_event, 1000); |
| qdf_mutex_create(&ipa_ctxt->event_lock); |
| qdf_mutex_create(&ipa_ctxt->ipa_lock); |
| |
| /* TX PIPE */ |
| pipe_in.sys.ipa_ep_cfg.nat.nat_en = IPA_BYPASS_NAT; |
| pipe_in.sys.ipa_ep_cfg.hdr.hdr_len = HDD_IPA_UC_WLAN_TX_HDR_LEN; |
| pipe_in.sys.ipa_ep_cfg.hdr.hdr_ofst_pkt_size_valid = 1; |
| pipe_in.sys.ipa_ep_cfg.hdr.hdr_ofst_pkt_size = 0; |
| pipe_in.sys.ipa_ep_cfg.hdr.hdr_additional_const_len = |
| HDD_IPA_UC_WLAN_8023_HDR_SIZE; |
| pipe_in.sys.ipa_ep_cfg.mode.mode = IPA_BASIC; |
| pipe_in.sys.client = IPA_CLIENT_WLAN1_CONS; |
| pipe_in.sys.desc_fifo_sz = hdd_ctx->config->IpaDescSize; |
| pipe_in.sys.priv = hdd_ctx->hdd_ipa; |
| pipe_in.sys.ipa_ep_cfg.hdr_ext.hdr_little_endian = true; |
| pipe_in.sys.notify = hdd_ipa_i2w_cb; |
| if (!hdd_ipa_is_rm_enabled(hdd_ctx)) { |
| HDD_IPA_LOG(QDF_TRACE_LEVEL_INFO, |
| "%s: IPA RM DISABLED, IPA AWAKE", __func__); |
| pipe_in.sys.keep_ipa_awake = true; |
| } |
| |
| pipe_in.u.dl.comp_ring_base_pa = |
| ipa_ctxt->ipa_resource.tx_comp_ring_base_paddr; |
| pipe_in.u.dl.comp_ring_size = |
| ipa_ctxt->ipa_resource.tx_comp_ring_size * |
| sizeof(qdf_dma_addr_t); |
| pipe_in.u.dl.ce_ring_base_pa = |
| ipa_ctxt->ipa_resource.ce_sr_base_paddr; |
| pipe_in.u.dl.ce_door_bell_pa = ipa_ctxt->ipa_resource.ce_reg_paddr; |
| pipe_in.u.dl.ce_ring_size = |
| ipa_ctxt->ipa_resource.ce_sr_ring_size; |
| pipe_in.u.dl.num_tx_buffers = |
| ipa_ctxt->ipa_resource.tx_num_alloc_buffer; |
| |
| /* Connect WDI IPA PIPE */ |
| ipa_connect_wdi_pipe(&pipe_in, &pipe_out); |
| /* Micro Controller Doorbell register */ |
| HDD_IPA_LOG(QDF_TRACE_LEVEL_INFO_HIGH, |
| "%s CONS DB pipe out 0x%x TX PIPE Handle 0x%x", |
| __func__, (unsigned int)pipe_out.uc_door_bell_pa, |
| ipa_ctxt->tx_pipe_handle); |
| ipa_ctxt->tx_comp_doorbell_paddr = pipe_out.uc_door_bell_pa; |
| /* WLAN TX PIPE Handle */ |
| ipa_ctxt->tx_pipe_handle = pipe_out.clnt_hdl; |
| HDD_IPA_LOG(QDF_TRACE_LEVEL_INFO_HIGH, |
| "TX : CRBPA 0x%x, CRS %d, CERBPA 0x%x, CEDPA 0x%x," |
| " CERZ %d, NB %d, CDBPAD 0x%x", |
| (unsigned int)pipe_in.u.dl.comp_ring_base_pa, |
| pipe_in.u.dl.comp_ring_size, |
| (unsigned int)pipe_in.u.dl.ce_ring_base_pa, |
| (unsigned int)pipe_in.u.dl.ce_door_bell_pa, |
| pipe_in.u.dl.ce_ring_size, |
| pipe_in.u.dl.num_tx_buffers, |
| (unsigned int)ipa_ctxt->tx_comp_doorbell_paddr); |
| |
| /* RX PIPE */ |
| pipe_in.sys.ipa_ep_cfg.nat.nat_en = IPA_BYPASS_NAT; |
| pipe_in.sys.ipa_ep_cfg.hdr.hdr_len = HDD_IPA_UC_WLAN_RX_HDR_LEN; |
| pipe_in.sys.ipa_ep_cfg.hdr.hdr_ofst_metadata_valid = 0; |
| pipe_in.sys.ipa_ep_cfg.hdr.hdr_metadata_reg_valid = 1; |
| pipe_in.sys.ipa_ep_cfg.mode.mode = IPA_BASIC; |
| pipe_in.sys.client = IPA_CLIENT_WLAN1_PROD; |
| pipe_in.sys.desc_fifo_sz = hdd_ctx->config->IpaDescSize + |
| sizeof(struct sps_iovec); |
| pipe_in.sys.notify = hdd_ipa_w2i_cb; |
| if (!hdd_ipa_is_rm_enabled(hdd_ctx)) { |
| HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, |
| "%s: IPA RM DISABLED, IPA AWAKE", __func__); |
| pipe_in.sys.keep_ipa_awake = true; |
| } |
| |
| pipe_in.u.ul.rdy_ring_base_pa = |
| ipa_ctxt->ipa_resource.rx_rdy_ring_base_paddr; |
| pipe_in.u.ul.rdy_ring_size = |
| ipa_ctxt->ipa_resource.rx_rdy_ring_size; |
| pipe_in.u.ul.rdy_ring_rp_pa = |
| ipa_ctxt->ipa_resource.rx_proc_done_idx_paddr; |
| HDD_IPA_WDI2_SET(pipe_in, ipa_ctxt); |
| ipa_connect_wdi_pipe(&pipe_in, &pipe_out); |
| ipa_ctxt->rx_ready_doorbell_paddr = pipe_out.uc_door_bell_pa; |
| ipa_ctxt->rx_pipe_handle = pipe_out.clnt_hdl; |
| HDD_IPA_LOG(QDF_TRACE_LEVEL_INFO_HIGH, |
| "RX : RRBPA 0x%x, RRS %d, PDIPA 0x%x, RDY_DB_PAD 0x%x", |
| (unsigned int)pipe_in.u.ul.rdy_ring_base_pa, |
| pipe_in.u.ul.rdy_ring_size, |
| (unsigned int)pipe_in.u.ul.rdy_ring_rp_pa, |
| (unsigned int)ipa_ctxt->rx_ready_doorbell_paddr); |
| |
| cdp_ipa_set_doorbell_paddr(soc, cds_ctx->pdev_txrx_ctx, |
| ipa_ctxt->tx_comp_doorbell_paddr, |
| ipa_ctxt->rx_ready_doorbell_paddr); |
| |
| cdp_ipa_register_op_cb(soc, cds_ctx->pdev_txrx_ctx, |
| hdd_ipa_uc_op_event_handler, (void *)hdd_ctx); |
| |
| for (i = 0; i < HDD_IPA_UC_OPCODE_MAX; i++) { |
| hdd_ipa_init_uc_op_work(&ipa_ctxt->uc_op_work[i].work, |
| hdd_ipa_uc_fw_op_event_handler); |
| ipa_ctxt->uc_op_work[i].msg = NULL; |
| } |
| |
| return QDF_STATUS_SUCCESS; |
| } |
| |
| /** |
| * __hdd_ipa_uc_force_pipe_shutdown() - Force shutdown IPA pipe |
| * @hdd_ctx: hdd main context |
| * |
| * Force shutdown IPA pipe |
| * Independent of FW pipe status, IPA pipe shutdonw progress |
| * in case, any STA does not leave properly, IPA HW pipe should cleaned up |
| * independent from FW pipe status |
| * |
| * Return: NONE |
| */ |
| static void __hdd_ipa_uc_force_pipe_shutdown(hdd_context_t *hdd_ctx) |
| { |
| struct hdd_ipa_priv *hdd_ipa; |
| |
| if (!hdd_ipa_is_enabled(hdd_ctx) || !hdd_ctx->hdd_ipa) |
| return; |
| |
| hdd_ipa = (struct hdd_ipa_priv *)hdd_ctx->hdd_ipa; |
| if (false == hdd_ipa->ipa_pipes_down) { |
| HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, |
| "IPA pipes are not down yet, force shutdown"); |
| hdd_ipa_uc_disable_pipes(hdd_ipa); |
| } else { |
| HDD_IPA_LOG(QDF_TRACE_LEVEL_INFO, |
| "IPA pipes are down, do nothing"); |
| } |
| |
| return; |
| } |
| |
| /** |
| * hdd_ipa_uc_force_pipe_shutdown() - SSR wrapper for |
| * __hdd_ipa_uc_force_pipe_shutdown |
| * @hdd_ctx: hdd main context |
| * |
| * Force shutdown IPA pipe |
| * Independent of FW pipe status, IPA pipe shutdonw progress |
| * in case, any STA does not leave properly, IPA HW pipe should cleaned up |
| * independent from FW pipe status |
| * |
| * Return: NONE |
| */ |
| void hdd_ipa_uc_force_pipe_shutdown(hdd_context_t *hdd_ctx) |
| { |
| cds_ssr_protect(__func__); |
| __hdd_ipa_uc_force_pipe_shutdown(hdd_ctx); |
| cds_ssr_unprotect(__func__); |
| } |
| |
| /** |
| * hdd_ipa_msg_free_fn() - Free an IPA message |
| * @buff: pointer to the IPA message |
| * @len: length of the IPA message |
| * @type: type of IPA message |
| * |
| * Return: None |
| */ |
| static void hdd_ipa_msg_free_fn(void *buff, uint32_t len, uint32_t type) |
| { |
| HDD_IPA_LOG(QDF_TRACE_LEVEL_INFO, "msg type:%d, len:%d", type, len); |
| ghdd_ipa->stats.num_free_msg++; |
| qdf_mem_free(buff); |
| } |
| |
| |
| /** |
| * hdd_ipa_send_disconnect() - ipa send disconnect clients |
| * adapter: pointer to hdd adapter |
| * Send disconnect evnt to IPA driver during SSR |
| * |
| * Return: 0 - Success |
| */ |
| static int hdd_ipa_send_disconnect(hdd_adapter_t *adapter) |
| { |
| struct ipa_msg_meta meta; |
| struct ipa_wlan_msg *msg; |
| int ret = 0; |
| int i; |
| |
| for (i = 0; i < WLAN_MAX_STA_COUNT; i++) { |
| if (qdf_is_macaddr_broadcast(&adapter->aStaInfo[i].macAddrSTA)) |
| continue; |
| if ((adapter->aStaInfo[i].isUsed) && |
| (!adapter->aStaInfo[i].isDeauthInProgress)) { |
| meta.msg_len = sizeof(struct ipa_wlan_msg); |
| msg = qdf_mem_malloc(meta.msg_len); |
| if (msg == NULL) { |
| HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, |
| "msg allocation failed"); |
| return -ENOMEM; |
| } |
| meta.msg_type = WLAN_CLIENT_DISCONNECT; |
| strlcpy(msg->name, adapter->dev->name, |
| IPA_RESOURCE_NAME_MAX); |
| memcpy(msg->mac_addr, adapter->aStaInfo[i].macAddrSTA.bytes, |
| ETH_ALEN); |
| HDD_IPA_LOG(QDF_TRACE_LEVEL_INFO, "%s: Evt: %d", |
| msg->name, meta.msg_type); |
| ret = ipa_send_msg(&meta, msg, hdd_ipa_msg_free_fn); |
| if (ret) { |
| HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, |
| "%s: Evt: %d fail:%d", |
| msg->name, meta.msg_type, ret); |
| qdf_mem_free(msg); |
| return ret; |
| } |
| } |
| } |
| |
| return ret; |
| } |
| |
| /** |
| * hdd_ipa_uc_disconnect_client() - disconnect ipa sap clients |
| * hdd_ctx: pointer to hdd context |
| * Send disconnect evnt to IPA driver during SSR |
| * |
| * Return: 0 - Success |
| */ |
| static int hdd_ipa_uc_disconnect_client(hdd_context_t *hdd_ctx) |
| { |
| hdd_adapter_list_node_t *adapter_node = NULL, *next = NULL; |
| QDF_STATUS status; |
| hdd_adapter_t *adapter; |
| int ret = 0; |
| |
| |
| status = hdd_get_front_adapter(hdd_ctx, &adapter_node); |
| while (NULL != adapter_node && QDF_STATUS_SUCCESS == status) { |
| adapter = adapter_node->pAdapter; |
| if (adapter->device_mode == QDF_SAP_MODE) |
| hdd_ipa_send_disconnect(adapter); |
| status = hdd_get_next_adapter( |
| hdd_ctx, adapter_node, &next); |
| adapter_node = next; |
| } |
| |
| return ret; |
| } |
| |
| /** |
| * __hdd_ipa_uc_ssr_deinit() - handle ipa deinit for SSR |
| * |
| * Deinit basic IPA UC host side to be in sync reloaded FW during |
| * SSR |
| * |
| * Return: 0 - Success |
| */ |
| static int __hdd_ipa_uc_ssr_deinit(void) |
| { |
| struct hdd_ipa_priv *hdd_ipa = ghdd_ipa; |
| int idx; |
| struct hdd_ipa_iface_context *iface_context; |
| |
| if ((!hdd_ipa) || (!hdd_ipa_uc_is_enabled(hdd_ipa->hdd_ctx))) |
| return 0; |
| |
| /* send disconnect to ipa driver for connected clients */ |
| hdd_ipa_uc_disconnect_client(hdd_ipa->hdd_ctx); |
| /* Clean up HDD IPA interfaces */ |
| for (idx = 0; (hdd_ipa->num_iface > 0) && |
| (idx < HDD_IPA_MAX_IFACE); idx++) { |
| iface_context = &hdd_ipa->iface_context[idx]; |
| if (iface_context && iface_context->adapter) |
| hdd_ipa_cleanup_iface(iface_context); |
| } |
| |
| /* After SSR, wlan driver reloads FW again. But we need to protect |
| * IPA submodule during SSR transient state. So deinit basic IPA |
| * UC host side to be in sync with reloaded FW during SSR |
| */ |
| if (!hdd_ipa->ipa_pipes_down) |
| hdd_ipa_uc_disable_pipes(hdd_ipa); |
| |
| qdf_mutex_acquire(&hdd_ipa->ipa_lock); |
| for (idx = 0; idx < WLAN_MAX_STA_COUNT; idx++) { |
| hdd_ipa->assoc_stas_map[idx].is_reserved = false; |
| hdd_ipa->assoc_stas_map[idx].sta_id = 0xFF; |
| } |
| qdf_mutex_release(&hdd_ipa->ipa_lock); |
| |
| if (hdd_ipa_uc_sta_is_enabled(hdd_ipa->hdd_ctx)) |
| hdd_ipa_uc_sta_reset_sta_connected(hdd_ipa); |
| |
| /* Full IPA driver cleanup not required since wlan driver is now |
| * unloaded and reloaded after SSR. |
| */ |
| return 0; |
| } |
| |
| /** |
| * hdd_ipa_uc_ssr_deinit() - SSR wrapper for __hdd_ipa_uc_ssr_deinit |
| * |
| * Deinit basic IPA UC host side to be in sync reloaded FW during |
| * SSR |
| * |
| * Return: 0 - Success |
| */ |
| int hdd_ipa_uc_ssr_deinit(void) |
| { |
| int ret; |
| |
| cds_ssr_protect(__func__); |
| ret = __hdd_ipa_uc_ssr_deinit(); |
| cds_ssr_unprotect(__func__); |
| |
| return ret; |
| } |
| |
| /** |
| * __hdd_ipa_uc_ssr_reinit() - handle ipa reinit after SSR |
| * |
| * Init basic IPA UC host side to be in sync with reloaded FW after |
| * SSR to resume IPA UC operations |
| * |
| * Return: 0 - Success |
| */ |
| static int __hdd_ipa_uc_ssr_reinit(void) |
| { |
| |
| /* After SSR is complete, IPA UC can resume operation. But now wlan |
| * driver will be unloaded and reloaded, which takes care of IPA cleanup |
| * and initialization. This is a placeholder func if IPA has to resume |
| * operations without driver reload. |
| */ |
| return 0; |
| } |
| |
| /** |
| * hdd_ipa_uc_ssr_reinit() - SSR wrapper for __hdd_ipa_uc_ssr_reinit |
| * |
| * Init basic IPA UC host side to be in sync with reloaded FW after |
| * SSR to resume IPA UC operations |
| * |
| * Return: 0 - Success |
| */ |
| int hdd_ipa_uc_ssr_reinit(void) |
| { |
| int ret; |
| |
| cds_ssr_protect(__func__); |
| ret = __hdd_ipa_uc_ssr_reinit(); |
| cds_ssr_unprotect(__func__); |
| |
| return ret; |
| } |
| |
| /** |
| * __hdd_ipa_tx_packet_ipa() - send packet to IPA |
| * @hdd_ctx: Global HDD context |
| * @skb: skb sent to IPA |
| * @session_id: send packet instance session id |
| * |
| * Send TX packet which generated by system to IPA. |
| * This routine only will be used for function verification |
| * |
| * Return: NULL packet sent to IPA properly |
| * NULL invalid packet drop |
| * skb packet not sent to IPA. legacy data path should handle |
| */ |
| static struct sk_buff *__hdd_ipa_tx_packet_ipa(hdd_context_t *hdd_ctx, |
| struct sk_buff *skb, uint8_t session_id) |
| { |
| struct ipa_header *ipa_header; |
| struct frag_header *frag_header; |
| struct hdd_ipa_priv *hdd_ipa; |
| |
| if (wlan_hdd_validate_context(hdd_ctx)) |
| return skb; |
| |
| hdd_ipa = hdd_ctx->hdd_ipa; |
| |
| if (!hdd_ipa_uc_is_enabled(hdd_ctx)) |
| return skb; |
| |
| if (!hdd_ipa) |
| return skb; |
| |
| if (HDD_IPA_UC_NUM_WDI_PIPE != hdd_ipa->activated_fw_pipe) |
| return skb; |
| |
| if (skb_headroom(skb) < |
| (sizeof(struct ipa_header) + sizeof(struct frag_header))) |
| return skb; |
| |
| ipa_header = (struct ipa_header *) skb_push(skb, |
| sizeof(struct ipa_header)); |
| if (!ipa_header) { |
| /* No headroom, legacy */ |
| return skb; |
| } |
| memset(ipa_header, 0, sizeof(*ipa_header)); |
| ipa_header->vdev_id = 0; |
| |
| frag_header = (struct frag_header *) skb_push(skb, |
| sizeof(struct frag_header)); |
| if (!frag_header) { |
| /* No headroom, drop */ |
| kfree_skb(skb); |
| return NULL; |
| } |
| memset(frag_header, 0, sizeof(*frag_header)); |
| frag_header->length = skb->len - sizeof(struct frag_header) |
| - sizeof(struct ipa_header); |
| |
| ipa_tx_dp(IPA_CLIENT_WLAN1_CONS, skb, NULL); |
| return NULL; |
| } |
| |
| /** |
| * hdd_ipa_tx_packet_ipa() - SSR wrapper for __hdd_ipa_tx_packet_ipa |
| * @hdd_ctx: Global HDD context |
| * @skb: skb sent to IPA |
| * @session_id: send packet instance session id |
| * |
| * Send TX packet which generated by system to IPA. |
| * This routine only will be used for function verification |
| * |
| * Return: NULL packet sent to IPA properly |
| * NULL invalid packet drop |
| * skb packet not sent to IPA. legacy data path should handle |
| */ |
| struct sk_buff *hdd_ipa_tx_packet_ipa(hdd_context_t *hdd_ctx, |
| struct sk_buff *skb, uint8_t session_id) |
| { |
| struct sk_buff *ret; |
| |
| cds_ssr_protect(__func__); |
| ret = __hdd_ipa_tx_packet_ipa(hdd_ctx, skb, session_id); |
| cds_ssr_unprotect(__func__); |
| |
| return ret; |
| } |
| |
| /** |
| * hdd_ipa_wake_lock_timer_func() - Wake lock work handler |
| * @work: scheduled work |
| * |
| * When IPA resources are released in hdd_ipa_rm_try_release() we do |
| * not want to immediately release the wake lock since the system |
| * would then potentially try to suspend when there is a healthy data |
| * rate. Deferred work is scheduled and this function handles the |
| * work. When this function is called, if the IPA resource is still |
| * released then we release the wake lock. |
| * |
| * Return: None |
| */ |
| static void hdd_ipa_wake_lock_timer_func(struct work_struct *work) |
| { |
| struct hdd_ipa_priv *hdd_ipa = container_of(to_delayed_work(work), |
| struct hdd_ipa_priv, |
| wake_lock_work); |
| |
| qdf_spin_lock_bh(&hdd_ipa->rm_lock); |
| |
| if (hdd_ipa->rm_state != HDD_IPA_RM_RELEASED) |
| goto end; |
| |
| hdd_ipa->wake_lock_released = true; |
| qdf_wake_lock_release(&hdd_ipa->wake_lock, |
| WIFI_POWER_EVENT_WAKELOCK_IPA); |
| |
| end: |
| qdf_spin_unlock_bh(&hdd_ipa->rm_lock); |
| } |
| |
| /** |
| * hdd_ipa_rm_request() - Request resource from IPA |
| * @hdd_ipa: Global HDD IPA context |
| * |
| * Return: 0 on success, negative errno on error |
| */ |
| static int hdd_ipa_rm_request(struct hdd_ipa_priv *hdd_ipa) |
| { |
| int ret = 0; |
| |
| if (!hdd_ipa_is_rm_enabled(hdd_ipa->hdd_ctx)) |
| return 0; |
| |
| qdf_spin_lock_bh(&hdd_ipa->rm_lock); |
| |
| switch (hdd_ipa->rm_state) { |
| case HDD_IPA_RM_GRANTED: |
| qdf_spin_unlock_bh(&hdd_ipa->rm_lock); |
| return 0; |
| case HDD_IPA_RM_GRANT_PENDING: |
| qdf_spin_unlock_bh(&hdd_ipa->rm_lock); |
| return -EINPROGRESS; |
| case HDD_IPA_RM_RELEASED: |
| hdd_ipa->rm_state = HDD_IPA_RM_GRANT_PENDING; |
| break; |
| } |
| |
| qdf_spin_unlock_bh(&hdd_ipa->rm_lock); |
| |
| ret = ipa_rm_inactivity_timer_request_resource( |
| IPA_RM_RESOURCE_WLAN_PROD); |
| |
| qdf_spin_lock_bh(&hdd_ipa->rm_lock); |
| if (ret == 0) { |
| hdd_ipa->rm_state = HDD_IPA_RM_GRANTED; |
| hdd_ipa->stats.num_rm_grant_imm++; |
| } |
| |
| cancel_delayed_work(&hdd_ipa->wake_lock_work); |
| if (hdd_ipa->wake_lock_released) { |
| qdf_wake_lock_acquire(&hdd_ipa->wake_lock, |
| WIFI_POWER_EVENT_WAKELOCK_IPA); |
| hdd_ipa->wake_lock_released = false; |
| } |
| qdf_spin_unlock_bh(&hdd_ipa->rm_lock); |
| |
| return ret; |
| } |
| |
| /** |
| * hdd_ipa_rm_try_release() - Attempt to release IPA resource |
| * @hdd_ipa: Global HDD IPA context |
| * |
| * Return: 0 if resources released, negative errno otherwise |
| */ |
| static int hdd_ipa_rm_try_release(struct hdd_ipa_priv *hdd_ipa) |
| { |
| int ret = 0; |
| |
| if (!hdd_ipa_is_rm_enabled(hdd_ipa->hdd_ctx)) |
| return 0; |
| |
| if (atomic_read(&hdd_ipa->tx_ref_cnt)) |
| return -EAGAIN; |
| |
| spin_lock_bh(&hdd_ipa->q_lock); |
| if (!hdd_ipa_uc_sta_is_enabled(hdd_ipa->hdd_ctx) && |
| (hdd_ipa->pending_hw_desc_cnt || hdd_ipa->pend_q_cnt)) { |
| spin_unlock_bh(&hdd_ipa->q_lock); |
| return -EAGAIN; |
| } |
| spin_unlock_bh(&hdd_ipa->q_lock); |
| |
| qdf_spin_lock_bh(&hdd_ipa->pm_lock); |
| |
| if (!qdf_nbuf_is_queue_empty(&hdd_ipa->pm_queue_head)) { |
| qdf_spin_unlock_bh(&hdd_ipa->pm_lock); |
| return -EAGAIN; |
| } |
| qdf_spin_unlock_bh(&hdd_ipa->pm_lock); |
| |
| qdf_spin_lock_bh(&hdd_ipa->rm_lock); |
| switch (hdd_ipa->rm_state) { |
| case HDD_IPA_RM_GRANTED: |
| break; |
| case HDD_IPA_RM_GRANT_PENDING: |
| qdf_spin_unlock_bh(&hdd_ipa->rm_lock); |
| return -EINPROGRESS; |
| case HDD_IPA_RM_RELEASED: |
| qdf_spin_unlock_bh(&hdd_ipa->rm_lock); |
| return 0; |
| } |
| |
| /* IPA driver returns immediately so set the state here to avoid any |
| * race condition. |
| */ |
| hdd_ipa->rm_state = HDD_IPA_RM_RELEASED; |
| hdd_ipa->stats.num_rm_release++; |
| qdf_spin_unlock_bh(&hdd_ipa->rm_lock); |
| |
| ret = |
| ipa_rm_inactivity_timer_release_resource(IPA_RM_RESOURCE_WLAN_PROD); |
| |
| qdf_spin_lock_bh(&hdd_ipa->rm_lock); |
| if (unlikely(ret != 0)) { |
| hdd_ipa->rm_state = HDD_IPA_RM_GRANTED; |
| WARN_ON(1); |
| } |
| |
| /* |
| * If wake_lock is released immediately, kernel would try to suspend |
| * immediately as well, Just avoid ping-pong between suspend-resume |
| * while there is healthy amount of data transfer going on by |
| * releasing the wake_lock after some delay. |
| */ |
| schedule_delayed_work(&hdd_ipa->wake_lock_work, |
| msecs_to_jiffies |
| (HDD_IPA_RX_INACTIVITY_MSEC_DELAY)); |
| |
| qdf_spin_unlock_bh(&hdd_ipa->rm_lock); |
| |
| return ret; |
| } |
| |
| /** |
| * hdd_ipa_rm_notify() - IPA resource manager notifier callback |
| * @user_data: user data registered with IPA |
| * @event: the IPA resource manager event that occurred |
| * @data: the data associated with the event |
| * |
| * Return: None |
| */ |
| static void hdd_ipa_rm_notify(void *user_data, enum ipa_rm_event event, |
| unsigned long data) |
| { |
| struct hdd_ipa_priv *hdd_ipa = user_data; |
| |
| if (unlikely(!hdd_ipa)) |
| return; |
| |
| if (!hdd_ipa_is_rm_enabled(hdd_ipa->hdd_ctx)) |
| return; |
| |
| HDD_IPA_LOG(QDF_TRACE_LEVEL_INFO, "Evt: %d", event); |
| |
| switch (event) { |
| case IPA_RM_RESOURCE_GRANTED: |
| if (hdd_ipa_uc_is_enabled(hdd_ipa->hdd_ctx)) { |
| /* RM Notification comes with ISR context |
| * it should be serialized into work queue to avoid |
| * ISR sleep problem |
| */ |
| hdd_ipa->uc_rm_work.event = event; |
| schedule_work(&hdd_ipa->uc_rm_work.work); |
| break; |
| } |
| qdf_spin_lock_bh(&hdd_ipa->rm_lock); |
| hdd_ipa->rm_state = HDD_IPA_RM_GRANTED; |
| qdf_spin_unlock_bh(&hdd_ipa->rm_lock); |
| hdd_ipa->stats.num_rm_grant++; |
| break; |
| |
| case IPA_RM_RESOURCE_RELEASED: |
| HDD_IPA_LOG(QDF_TRACE_LEVEL_INFO, "RM Release"); |
| hdd_ipa->resource_unloading = false; |
| break; |
| |
| default: |
| HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, "Unknown RM Evt: %d", event); |
| break; |
| } |
| } |
| |
| /** |
| * hdd_ipa_rm_cons_release() - WLAN consumer resource release handler |
| * |
| * Callback function registered with IPA that is called when IPA wants |
| * to release the WLAN consumer resource |
| * |
| * Return: 0 if the request is granted, negative errno otherwise |
| */ |
| static int hdd_ipa_rm_cons_release(void) |
| { |
| return 0; |
| } |
| |
| /** |
| * hdd_ipa_rm_cons_request() - WLAN consumer resource request handler |
| * |
| * Callback function registered with IPA that is called when IPA wants |
| * to access the WLAN consumer resource |
| * |
| * Return: 0 if the request is granted, negative errno otherwise |
| */ |
| static int hdd_ipa_rm_cons_request(void) |
| { |
| int ret = 0; |
| |
| if (ghdd_ipa->resource_loading) { |
| HDD_IPA_LOG(QDF_TRACE_LEVEL_FATAL, |
| "%s: IPA resource loading in progress", |
| __func__); |
| ghdd_ipa->pending_cons_req = true; |
| ret = -EINPROGRESS; |
| } else if (ghdd_ipa->resource_unloading) { |
| HDD_IPA_LOG(QDF_TRACE_LEVEL_FATAL, |
| "%s: IPA resource unloading in progress", |
| __func__); |
| ghdd_ipa->pending_cons_req = true; |
| ret = -EPERM; |
| } |
| |
| return ret; |
| } |
| |
| /** |
| * __hdd_ipa_set_perf_level() - Set IPA performance level |
| * @hdd_ctx: Global HDD context |
| * @tx_packets: Number of packets transmitted in the last sample period |
| * @rx_packets: Number of packets received in the last sample period |
| * |
| * Return: 0 on success, negative errno on error |
| */ |
| static int __hdd_ipa_set_perf_level(hdd_context_t *hdd_ctx, uint64_t tx_packets, |
| uint64_t rx_packets) |
| { |
| uint32_t next_cons_bw, next_prod_bw; |
| struct hdd_ipa_priv *hdd_ipa; |
| struct ipa_rm_perf_profile profile; |
| int ret; |
| |
| if (wlan_hdd_validate_context(hdd_ctx)) |
| return 0; |
| |
| hdd_ipa = hdd_ctx->hdd_ipa; |
| |
| if ((!hdd_ipa_is_enabled(hdd_ctx)) || |
| (!hdd_ipa_is_clk_scaling_enabled(hdd_ctx))) |
| return 0; |
| |
| memset(&profile, 0, sizeof(profile)); |
| |
| if (tx_packets > (hdd_ctx->config->busBandwidthHighThreshold / 2)) |
| next_cons_bw = hdd_ctx->config->IpaHighBandwidthMbps; |
| else if (tx_packets > |
| (hdd_ctx->config->busBandwidthMediumThreshold / 2)) |
| next_cons_bw = hdd_ctx->config->IpaMediumBandwidthMbps; |
| else |
| next_cons_bw = hdd_ctx->config->IpaLowBandwidthMbps; |
| |
| if (rx_packets > (hdd_ctx->config->busBandwidthHighThreshold / 2)) |
| next_prod_bw = hdd_ctx->config->IpaHighBandwidthMbps; |
| else if (rx_packets > |
| (hdd_ctx->config->busBandwidthMediumThreshold / 2)) |
| next_prod_bw = hdd_ctx->config->IpaMediumBandwidthMbps; |
| else |
| next_prod_bw = hdd_ctx->config->IpaLowBandwidthMbps; |
| |
| HDD_IPA_LOG(LOGOFF, |
| "CONS perf curr: %d, next: %d", |
| hdd_ipa->curr_cons_bw, next_cons_bw); |
| HDD_IPA_LOG(LOGOFF, |
| "PROD perf curr: %d, next: %d", |
| hdd_ipa->curr_prod_bw, next_prod_bw); |
| |
| if (hdd_ipa->curr_cons_bw != next_cons_bw) { |
| hdd_debug("Requesting CONS perf curr: %d, next: %d", |
| hdd_ipa->curr_cons_bw, next_cons_bw); |
| profile.max_supported_bandwidth_mbps = next_cons_bw; |
| ret = ipa_rm_set_perf_profile(IPA_RM_RESOURCE_WLAN_CONS, |
| &profile); |
| if (ret) { |
| hdd_err("RM CONS set perf profile failed: %d", ret); |
| |
| return ret; |
| } |
| hdd_ipa->curr_cons_bw = next_cons_bw; |
| hdd_ipa->stats.num_cons_perf_req++; |
| } |
| |
| if (hdd_ipa->curr_prod_bw != next_prod_bw) { |
| hdd_debug("Requesting PROD perf curr: %d, next: %d", |
| hdd_ipa->curr_prod_bw, next_prod_bw); |
| profile.max_supported_bandwidth_mbps = next_prod_bw; |
| ret = ipa_rm_set_perf_profile(IPA_RM_RESOURCE_WLAN_PROD, |
| &profile); |
| if (ret) { |
| hdd_err("RM PROD set perf profile failed: %d", ret); |
| return ret; |
| } |
| hdd_ipa->curr_prod_bw = next_prod_bw; |
| hdd_ipa->stats.num_prod_perf_req++; |
| } |
| |
| return 0; |
| } |
| |
| /** |
| * hdd_ipa_set_perf_level() - SSR wrapper for __hdd_ipa_set_perf_level |
| * @hdd_ctx: Global HDD context |
| * @tx_packets: Number of packets transmitted in the last sample period |
| * @rx_packets: Number of packets received in the last sample period |
| * |
| * Return: 0 on success, negative errno on error |
| */ |
| int hdd_ipa_set_perf_level(hdd_context_t *hdd_ctx, uint64_t tx_packets, |
| uint64_t rx_packets) |
| { |
| int ret; |
| |
| cds_ssr_protect(__func__); |
| ret = __hdd_ipa_set_perf_level(hdd_ctx, tx_packets, rx_packets); |
| cds_ssr_unprotect(__func__); |
| |
| return ret; |
| } |
| |
| /** |
| * hdd_ipa_init_uc_rm_work - init ipa uc resource manager work |
| * @work: struct work_struct |
| * @work_handler: work_handler |
| * |
| * Return: none |
| */ |
| static void hdd_ipa_init_uc_rm_work(struct work_struct *work, |
| work_func_t work_handler) |
| { |
| INIT_WORK(work, work_handler); |
| } |
| |
| /** |
| * hdd_ipa_setup_rm() - Setup IPA resource management |
| * @hdd_ipa: Global HDD IPA context |
| * |
| * Return: 0 on success, negative errno on error |
| */ |
| static int hdd_ipa_setup_rm(struct hdd_ipa_priv *hdd_ipa) |
| { |
| struct ipa_rm_create_params create_params = { 0 }; |
| int ret; |
| |
| if (!hdd_ipa_is_rm_enabled(hdd_ipa->hdd_ctx)) |
| return 0; |
| |
| hdd_ipa_init_uc_rm_work(&hdd_ipa->uc_rm_work.work, |
| hdd_ipa_uc_rm_notify_defer); |
| memset(&create_params, 0, sizeof(create_params)); |
| create_params.name = IPA_RM_RESOURCE_WLAN_PROD; |
| create_params.reg_params.user_data = hdd_ipa; |
| create_params.reg_params.notify_cb = hdd_ipa_rm_notify; |
| create_params.floor_voltage = IPA_VOLTAGE_SVS; |
| |
| ret = ipa_rm_create_resource(&create_params); |
| if (ret) { |
| HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, |
| "Create RM resource failed: %d", ret); |
| goto setup_rm_fail; |
| } |
| |
| memset(&create_params, 0, sizeof(create_params)); |
| create_params.name = IPA_RM_RESOURCE_WLAN_CONS; |
| create_params.request_resource = hdd_ipa_rm_cons_request; |
| create_params.release_resource = hdd_ipa_rm_cons_release; |
| create_params.floor_voltage = IPA_VOLTAGE_SVS; |
| |
| ret = ipa_rm_create_resource(&create_params); |
| if (ret) { |
| HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, |
| "Create RM CONS resource failed: %d", ret); |
| goto delete_prod; |
| } |
| |
| ipa_rm_add_dependency(IPA_RM_RESOURCE_WLAN_PROD, |
| IPA_RM_RESOURCE_APPS_CONS); |
| |
| ret = ipa_rm_inactivity_timer_init(IPA_RM_RESOURCE_WLAN_PROD, |
| HDD_IPA_RX_INACTIVITY_MSEC_DELAY); |
| if (ret) { |
| HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, "Timer init failed: %d", |
| ret); |
| goto timer_init_failed; |
| } |
| |
| /* Set the lowest bandwidth to start with */ |
| ret = hdd_ipa_set_perf_level(hdd_ipa->hdd_ctx, 0, 0); |
| |
| if (ret) { |
| HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, |
| "Set perf level failed: %d", ret); |
| goto set_perf_failed; |
| } |
| |
| qdf_wake_lock_create(&hdd_ipa->wake_lock, "wlan_ipa"); |
| INIT_DELAYED_WORK(&hdd_ipa->wake_lock_work, |
| hdd_ipa_wake_lock_timer_func); |
| qdf_spinlock_create(&hdd_ipa->rm_lock); |
| hdd_ipa->rm_state = HDD_IPA_RM_RELEASED; |
| hdd_ipa->wake_lock_released = true; |
| atomic_set(&hdd_ipa->tx_ref_cnt, 0); |
| |
| return ret; |
| |
| set_perf_failed: |
| ipa_rm_inactivity_timer_destroy(IPA_RM_RESOURCE_WLAN_PROD); |
| |
| timer_init_failed: |
| ipa_rm_delete_resource(IPA_RM_RESOURCE_WLAN_CONS); |
| |
| delete_prod: |
| ipa_rm_delete_resource(IPA_RM_RESOURCE_WLAN_PROD); |
| |
| setup_rm_fail: |
| return ret; |
| } |
| |
| /** |
| * hdd_ipa_destroy_rm_resource() - Destroy IPA resources |
| * @hdd_ipa: Global HDD IPA context |
| * |
| * Destroys all resources associated with the IPA resource manager |
| * |
| * Return: None |
| */ |
| static void hdd_ipa_destroy_rm_resource(struct hdd_ipa_priv *hdd_ipa) |
| { |
| int ret; |
| |
| if (!hdd_ipa_is_rm_enabled(hdd_ipa->hdd_ctx)) |
| return; |
| |
| cancel_delayed_work_sync(&hdd_ipa->wake_lock_work); |
| qdf_wake_lock_destroy(&hdd_ipa->wake_lock); |
| |
| #ifdef WLAN_OPEN_SOURCE |
| cancel_work_sync(&hdd_ipa->uc_rm_work.work); |
| #endif |
| qdf_spinlock_destroy(&hdd_ipa->rm_lock); |
| |
| ipa_rm_inactivity_timer_destroy(IPA_RM_RESOURCE_WLAN_PROD); |
| |
| ret = ipa_rm_delete_resource(IPA_RM_RESOURCE_WLAN_PROD); |
| if (ret) |
| HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, |
| "RM PROD resource delete failed %d", ret); |
| |
| ret = ipa_rm_delete_resource(IPA_RM_RESOURCE_WLAN_CONS); |
| if (ret) |
| HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, |
| "RM CONS resource delete failed %d", ret); |
| } |
| |
| /** |
| * hdd_ipa_send_skb_to_network() - Send skb to kernel |
| * @skb: network buffer |
| * @adapter: network adapter |
| * |
| * Called when a network buffer is received which should not be routed |
| * to the IPA module. |
| * |
| * Return: None |
| */ |
| static void hdd_ipa_send_skb_to_network(qdf_nbuf_t skb, |
| hdd_adapter_t *adapter) |
| { |
| struct hdd_ipa_priv *hdd_ipa = ghdd_ipa; |
| unsigned int cpu_index; |
| |
| if (!adapter || adapter->magic != WLAN_HDD_ADAPTER_MAGIC) { |
| HDD_IPA_LOG(QDF_TRACE_LEVEL_INFO_LOW, "Invalid adapter: 0x%p", |
| adapter); |
| HDD_IPA_INCREASE_INTERNAL_DROP_COUNT(hdd_ipa); |
| kfree_skb(skb); |
| return; |
| } |
| |
| if (cds_is_driver_unloading()) { |
| HDD_IPA_INCREASE_INTERNAL_DROP_COUNT(hdd_ipa); |
| kfree_skb(skb); |
| return; |
| } |
| |
| skb->destructor = hdd_ipa_uc_rt_debug_destructor; |
| skb->dev = adapter->dev; |
| skb->protocol = eth_type_trans(skb, skb->dev); |
| skb->ip_summed = CHECKSUM_NONE; |
| |
| cpu_index = wlan_hdd_get_cpu(); |
| |
| ++adapter->hdd_stats.hddTxRxStats.rxPackets[cpu_index]; |
| if (netif_rx_ni(skb) == NET_RX_SUCCESS) |
| ++adapter->hdd_stats.hddTxRxStats.rxDelivered[cpu_index]; |
| else |
| ++adapter->hdd_stats.hddTxRxStats.rxRefused[cpu_index]; |
| |
| HDD_IPA_INCREASE_NET_SEND_COUNT(hdd_ipa); |
| adapter->dev->last_rx = jiffies; |
| } |
| |
| /** |
| * hdd_ipa_forward() - handle packet forwarding to wlan tx |
| * @hdd_ipa: pointer to hdd ipa context |
| * @adapter: network adapter |
| * @skb: data pointer |
| * |
| * if exception packet has set forward bit, copied new packet should be |
| * forwarded to wlan tx. if wlan subsystem is in suspend state, packet should |
| * put into pm queue and tx procedure will be differed |
| * |
| * Return: None |
| */ |
| static void hdd_ipa_forward(struct hdd_ipa_priv *hdd_ipa, |
| hdd_adapter_t *adapter, qdf_nbuf_t skb) |
| { |
| struct hdd_ipa_pm_tx_cb *pm_tx_cb; |
| |
| qdf_spin_lock_bh(&hdd_ipa->pm_lock); |
| /* WLAN subsystem is in suspend, put int queue */ |
| if (hdd_ipa->suspended) { |
| qdf_spin_unlock_bh(&hdd_ipa->pm_lock); |
| HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, |
| "TX in SUSPEND PUT QUEUE"); |
| qdf_mem_set(skb->cb, sizeof(skb->cb), 0); |
| pm_tx_cb = (struct hdd_ipa_pm_tx_cb *)skb->cb; |
| pm_tx_cb->exception = true; |
| pm_tx_cb->adapter = adapter; |
| qdf_spin_lock_bh(&hdd_ipa->pm_lock); |
| qdf_nbuf_queue_add(&hdd_ipa->pm_queue_head, skb); |
| qdf_spin_unlock_bh(&hdd_ipa->pm_lock); |
| hdd_ipa->stats.num_tx_queued++; |
| } else { |
| /* Resume, put packet into WLAN TX */ |
| qdf_spin_unlock_bh(&hdd_ipa->pm_lock); |
| if (hdd_softap_hard_start_xmit(skb, adapter->dev)) { |
| HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, |
| "packet tx fail"); |
| hdd_ipa->stats.num_tx_fwd_err++; |
| } else { |
| hdd_ipa->stats.num_tx_fwd_ok++; |
| hdd_ipa->ipa_tx_forward++; |
| } |
| } |
| } |
| |
| /** |
| * hdd_ipa_intrabss_forward() - Forward intra bss packets. |
| * @hdd_ipa: pointer to HDD IPA struct |
| * @adapter: hdd adapter pointer |
| * @desc: Firmware descriptor |
| * @skb: Data buffer |
| * |
| * Return: |
| * HDD_IPA_FORWARD_PKT_NONE |
| * HDD_IPA_FORWARD_PKT_DISCARD |
| * HDD_IPA_FORWARD_PKT_LOCAL_STACK |
| * |
| */ |
| |
| static enum hdd_ipa_forward_type hdd_ipa_intrabss_forward( |
| struct hdd_ipa_priv *hdd_ipa, |
| hdd_adapter_t *adapter, |
| uint8_t desc, |
| qdf_nbuf_t skb) |
| { |
| int ret = HDD_IPA_FORWARD_PKT_NONE; |
| |
| if ((desc & FW_RX_DESC_FORWARD_M)) { |
| HDD_IPA_LOG(QDF_TRACE_LEVEL_DEBUG, |
| "Forward packet to Tx (fw_desc=%d)", desc); |
| hdd_ipa->ipa_tx_forward++; |
| |
| if ((desc & FW_RX_DESC_DISCARD_M)) { |
| hdd_ipa_forward(hdd_ipa, adapter, skb); |
| hdd_ipa->ipa_rx_internel_drop_count++; |
| hdd_ipa->ipa_rx_discard++; |
| ret = HDD_IPA_FORWARD_PKT_DISCARD; |
| } else { |
| struct sk_buff *cloned_skb = skb_clone(skb, GFP_ATOMIC); |
| if (cloned_skb) |
| hdd_ipa_forward(hdd_ipa, adapter, cloned_skb); |
| else |
| HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, |
| "%s: tx skb alloc failed", |
| __func__); |
| ret = HDD_IPA_FORWARD_PKT_LOCAL_STACK; |
| } |
| } |
| |
| return ret; |
| } |
| |
| /** |
| * hdd_ipa_w2i_cb() - WLAN to IPA callback handler |
| * @priv: pointer to private data registered with IPA (we register a |
| * pointer to the global IPA context) |
| * @evt: the IPA event which triggered the callback |
| * @data: data associated with the event |
| * |
| * Return: None |
| */ |
| static void __hdd_ipa_w2i_cb(void *priv, enum ipa_dp_evt_type evt, |
| unsigned long data) |
| { |
| struct hdd_ipa_priv *hdd_ipa = NULL; |
| hdd_adapter_t *adapter = NULL; |
| qdf_nbuf_t skb; |
| uint8_t iface_id; |
| uint8_t session_id; |
| struct hdd_ipa_iface_context *iface_context; |
| uint8_t fw_desc; |
| QDF_STATUS status = QDF_STATUS_SUCCESS; |
| |
| hdd_ipa = (struct hdd_ipa_priv *)priv; |
| |
| if (!hdd_ipa || wlan_hdd_validate_context(hdd_ipa->hdd_ctx)) |
| return; |
| |
| switch (evt) { |
| case IPA_RECEIVE: |
| skb = (qdf_nbuf_t) data; |
| |
| /* |
| * When SSR is going on or driver is unloading, |
| * just drop the packets. |
| */ |
| status = wlan_hdd_validate_context(hdd_ipa->hdd_ctx); |
| if (0 != status) { |
| HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, |
| "Invalid context: drop packet"); |
| HDD_IPA_INCREASE_INTERNAL_DROP_COUNT(hdd_ipa); |
| kfree_skb(skb); |
| return; |
| } |
| |
| if (hdd_ipa_uc_is_enabled(hdd_ipa->hdd_ctx)) { |
| session_id = (uint8_t)skb->cb[0]; |
| iface_id = hdd_ipa->vdev_to_iface[session_id]; |
| HDD_IPA_DP_LOG(QDF_TRACE_LEVEL_INFO_HIGH, |
| "IPA_RECEIVE: session_id=%u, iface_id=%u", |
| session_id, iface_id); |
| } else { |
| iface_id = HDD_IPA_GET_IFACE_ID(skb->data); |
| } |
| |
| if (iface_id >= HDD_IPA_MAX_IFACE) { |
| HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, |
| "IPA_RECEIVE: Invalid iface_id: %u", |
| iface_id); |
| HDD_IPA_DBG_DUMP(QDF_TRACE_LEVEL_INFO_HIGH, |
| "w2i -- skb", |
| skb->data, HDD_IPA_DBG_DUMP_RX_LEN); |
| HDD_IPA_INCREASE_INTERNAL_DROP_COUNT(hdd_ipa); |
| kfree_skb(skb); |
| return; |
| } |
| |
| iface_context = &hdd_ipa->iface_context[iface_id]; |
| adapter = iface_context->adapter; |
| |
| HDD_IPA_DBG_DUMP(QDF_TRACE_LEVEL_DEBUG, |
| "w2i -- skb", |
| skb->data, HDD_IPA_DBG_DUMP_RX_LEN); |
| if (hdd_ipa_uc_is_enabled(hdd_ipa->hdd_ctx)) { |
| hdd_ipa->stats.num_rx_excep++; |
| skb_pull(skb, HDD_IPA_UC_WLAN_CLD_HDR_LEN); |
| } else { |
| skb_pull(skb, HDD_IPA_WLAN_CLD_HDR_LEN); |
| } |
| |
| iface_context->stats.num_rx_ipa_excep++; |
| |
| /* Disable to forward Intra-BSS Rx packets when |
| * ap_isolate=1 in hostapd.conf |
| */ |
| if (!adapter->sessionCtx.ap.apDisableIntraBssFwd) { |
| /* |
| * When INTRA_BSS_FWD_OFFLOAD is enabled, FW will send |
| * all Rx packets to IPA uC, which need to be forwarded |
| * to other interface. |
| * And, IPA driver will send back to WLAN host driver |
| * through exception pipe with fw_desc field set by FW. |
| * Here we are checking fw_desc field for FORWARD bit |
| * set, and forward to Tx. Then copy to kernel stack |
| * only when DISCARD bit is not set. |
| */ |
| fw_desc = (uint8_t)skb->cb[1]; |
| if (HDD_IPA_FORWARD_PKT_DISCARD == |
| hdd_ipa_intrabss_forward(hdd_ipa, adapter, |
| fw_desc, skb)) |
| break; |
| } else { |
| HDD_IPA_LOG(QDF_TRACE_LEVEL_INFO_HIGH, |
| "Intra-BSS FWD is disabled-skip forward to Tx"); |
| } |
| |
| hdd_ipa_send_skb_to_network(skb, adapter); |
| break; |
| |
| default: |
| HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, |
| "w2i cb wrong event: 0x%x", evt); |
| return; |
| } |
| } |
| |
| /** |
| * hdd_ipa_w2i_cb() - SSR wrapper for __hdd_ipa_w2i_cb |
| * @priv: pointer to private data registered with IPA (we register a |
| * pointer to the global IPA context) |
| * @evt: the IPA event which triggered the callback |
| * @data: data associated with the event |
| * |
| * Return: None |
| */ |
| static void hdd_ipa_w2i_cb(void *priv, enum ipa_dp_evt_type evt, |
| unsigned long data) |
| { |
| cds_ssr_protect(__func__); |
| __hdd_ipa_w2i_cb(priv, evt, data); |
| cds_ssr_unprotect(__func__); |
| } |
| |
| /** |
| * hdd_ipa_nbuf_cb() - IPA TX complete callback |
| * @skb: packet buffer which was transmitted |
| * |
| * Return: None |
| */ |
| void hdd_ipa_nbuf_cb(qdf_nbuf_t skb) |
| { |
| struct hdd_ipa_priv *hdd_ipa = ghdd_ipa; |
| |
| HDD_IPA_DP_LOG(QDF_TRACE_LEVEL_DEBUG, "%p", |
| wlan_hdd_stub_priv_to_addr(QDF_NBUF_CB_TX_IPA_PRIV(skb))); |
| /* FIXME: This is broken; PRIV_DATA is now 31 bits */ |
| ipa_free_skb((struct ipa_rx_data *) |
| wlan_hdd_stub_priv_to_addr(QDF_NBUF_CB_TX_IPA_PRIV(skb))); |
| |
| hdd_ipa->stats.num_tx_comp_cnt++; |
| |
| atomic_dec(&hdd_ipa->tx_ref_cnt); |
| |
| hdd_ipa_rm_try_release(hdd_ipa); |
| } |
| |
| /** |
| * hdd_ipa_send_pkt_to_tl() - Send an IPA packet to TL |
| * @iface_context: interface-specific IPA context |
| * @ipa_tx_desc: packet data descriptor |
| * |
| * Return: None |
| */ |
| static void hdd_ipa_send_pkt_to_tl( |
| struct hdd_ipa_iface_context *iface_context, |
| struct ipa_rx_data *ipa_tx_desc) |
| { |
| struct hdd_ipa_priv *hdd_ipa = iface_context->hdd_ipa; |
| hdd_adapter_t *adapter = NULL; |
| qdf_nbuf_t skb; |
| |
| qdf_spin_lock_bh(&iface_context->interface_lock); |
| adapter = iface_context->adapter; |
| if (!adapter) { |
| HDD_IPA_LOG(QDF_TRACE_LEVEL_WARN, "Interface Down"); |
| ipa_free_skb(ipa_tx_desc); |
| iface_context->stats.num_tx_drop++; |
| qdf_spin_unlock_bh(&iface_context->interface_lock); |
| hdd_ipa_rm_try_release(hdd_ipa); |
| return; |
| } |
| |
| /* |
| * During CAC period, data packets shouldn't be sent over the air so |
| * drop all the packets here |
| */ |
| if (WLAN_HDD_GET_AP_CTX_PTR(adapter)->dfs_cac_block_tx) { |
| ipa_free_skb(ipa_tx_desc); |
| qdf_spin_unlock_bh(&iface_context->interface_lock); |
| iface_context->stats.num_tx_cac_drop++; |
| hdd_ipa_rm_try_release(hdd_ipa); |
| return; |
| } |
| |
| ++adapter->stats.tx_packets; |
| |
| qdf_spin_unlock_bh(&iface_context->interface_lock); |
| |
| skb = ipa_tx_desc->skb; |
| |
| qdf_mem_set(skb->cb, sizeof(skb->cb), 0); |
| qdf_nbuf_ipa_owned_set(skb); |
| /* FIXME: This is broken. No such field in cb any more: |
| NBUF_CALLBACK_FN(skb) = hdd_ipa_nbuf_cb; */ |
| if (hdd_ipa_uc_sta_is_enabled(hdd_ipa->hdd_ctx)) { |
| qdf_nbuf_mapped_paddr_set(skb, |
| ipa_tx_desc->dma_addr |
| + HDD_IPA_WLAN_FRAG_HEADER |
| + HDD_IPA_WLAN_IPA_HEADER); |
| ipa_tx_desc->skb->len -= |
| HDD_IPA_WLAN_FRAG_HEADER + HDD_IPA_WLAN_IPA_HEADER; |
| } else |
| qdf_nbuf_mapped_paddr_set(skb, ipa_tx_desc->dma_addr); |
| |
| /* FIXME: This is broken: priv_data is 31 bits */ |
| qdf_nbuf_ipa_priv_set(skb, wlan_hdd_stub_addr_to_priv(ipa_tx_desc)); |
| |
| adapter->stats.tx_bytes += ipa_tx_desc->skb->len; |
| |
| skb = cdp_ipa_tx_send_data_frame(cds_get_context(QDF_MODULE_ID_SOC), |
| iface_context->tl_context, ipa_tx_desc->skb); |
| if (skb) { |
| HDD_IPA_LOG(QDF_TRACE_LEVEL_DEBUG, "TLSHIM tx fail"); |
| ipa_free_skb(ipa_tx_desc); |
| iface_context->stats.num_tx_err++; |
| hdd_ipa_rm_try_release(hdd_ipa); |
| return; |
| } |
| |
| atomic_inc(&hdd_ipa->tx_ref_cnt); |
| |
| iface_context->stats.num_tx++; |
| |
| } |
| |
| /** |
| * hdd_ipa_is_present() - get IPA hw status |
| * @hdd_ctx: pointer to hdd context |
| * |
| * ipa_uc_reg_rdyCB is not directly designed to check |
| * ipa hw status. This is an undocumented function which |
| * has confirmed with IPA team. |
| * |
| * Return: true - ipa hw present |
| * false - ipa hw not present |
| */ |
| bool hdd_ipa_is_present(hdd_context_t *hdd_ctx) |
| { |
| /* Check if ipa hw is enabled */ |
| if (HDD_IPA_CHECK_HW() != -EPERM) |
| return true; |
| else |
| return false; |
| } |
| |
| /** |
| * hdd_ipa_pm_flush() - flush queued packets |
| * @work: pointer to the scheduled work |
| * |
| * Called during PM resume to send packets to TL which were queued |
| * while host was in the process of suspending. |
| * |
| * Return: None |
| */ |
| static void hdd_ipa_pm_flush(struct work_struct *work) |
| { |
| struct hdd_ipa_priv *hdd_ipa = container_of(work, |
| struct hdd_ipa_priv, |
| pm_work); |
| struct hdd_ipa_pm_tx_cb *pm_tx_cb = NULL; |
| qdf_nbuf_t skb; |
| uint32_t dequeued = 0; |
| |
| qdf_wake_lock_acquire(&hdd_ipa->wake_lock, |
| WIFI_POWER_EVENT_WAKELOCK_IPA); |
| qdf_spin_lock_bh(&hdd_ipa->pm_lock); |
| while (((skb = qdf_nbuf_queue_remove(&hdd_ipa->pm_queue_head)) |
| != NULL)) { |
| qdf_spin_unlock_bh(&hdd_ipa->pm_lock); |
| |
| pm_tx_cb = (struct hdd_ipa_pm_tx_cb *)skb->cb; |
| dequeued++; |
| if (pm_tx_cb->exception) { |
| HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, |
| "FLUSH EXCEPTION"); |
| hdd_softap_hard_start_xmit(skb, pm_tx_cb->adapter->dev); |
| } else { |
| hdd_ipa_send_pkt_to_tl(pm_tx_cb->iface_context, |
| pm_tx_cb->ipa_tx_desc); |
| } |
| qdf_spin_lock_bh(&hdd_ipa->pm_lock); |
| } |
| qdf_spin_unlock_bh(&hdd_ipa->pm_lock); |
| qdf_wake_lock_release(&hdd_ipa->wake_lock, |
| WIFI_POWER_EVENT_WAKELOCK_IPA); |
| |
| hdd_ipa->stats.num_tx_dequeued += dequeued; |
| if (dequeued > hdd_ipa->stats.num_max_pm_queue) |
| hdd_ipa->stats.num_max_pm_queue = dequeued; |
| } |
| |
| /** |
| * __hdd_ipa_i2w_cb() - IPA to WLAN callback |
| * @priv: pointer to private data registered with IPA (we register a |
| * pointer to the interface-specific IPA context) |
| * @evt: the IPA event which triggered the callback |
| * @data: data associated with the event |
| * |
| * Return: None |
| */ |
| static void __hdd_ipa_i2w_cb(void *priv, enum ipa_dp_evt_type evt, |
| unsigned long data) |
| { |
| struct hdd_ipa_priv *hdd_ipa = NULL; |
| struct ipa_rx_data *ipa_tx_desc; |
| struct hdd_ipa_iface_context *iface_context; |
| qdf_nbuf_t skb; |
| struct hdd_ipa_pm_tx_cb *pm_tx_cb = NULL; |
| QDF_STATUS status = QDF_STATUS_SUCCESS; |
| |
| iface_context = (struct hdd_ipa_iface_context *)priv; |
| ipa_tx_desc = (struct ipa_rx_data *)data; |
| hdd_ipa = iface_context->hdd_ipa; |
| |
| if (evt != IPA_RECEIVE) { |
| HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, "Event is not IPA_RECEIVE"); |
| ipa_free_skb(ipa_tx_desc); |
| iface_context->stats.num_tx_drop++; |
| return; |
| } |
| |
| /* |
| * When SSR is going on or driver is unloading, just drop the packets. |
| * During SSR, there is no use in queueing the packets as STA has to |
| * connect back any way |
| */ |
| status = wlan_hdd_validate_context(hdd_ipa->hdd_ctx); |
| if (status) { |
| ipa_free_skb(ipa_tx_desc); |
| iface_context->stats.num_tx_drop++; |
| return; |
| } |
| |
| skb = ipa_tx_desc->skb; |
| |
| HDD_IPA_DBG_DUMP(QDF_TRACE_LEVEL_DEBUG, |
| "i2w", skb->data, HDD_IPA_DBG_DUMP_TX_LEN); |
| |
| /* |
| * If PROD resource is not requested here then there may be cases where |
| * IPA hardware may be clocked down because of not having proper |
| * dependency graph between WLAN CONS and modem PROD pipes. Adding the |
| * workaround to request PROD resource while data is going over CONS |
| * pipe to prevent the IPA hardware clockdown. |
| */ |
| hdd_ipa_rm_request(hdd_ipa); |
| |
| qdf_spin_lock_bh(&hdd_ipa->pm_lock); |
| /* |
| * If host is still suspended then queue the packets and these will be |
| * drained later when resume completes. When packet is arrived here and |
| * host is suspended, this means that there is already resume is in |
| * progress. |
| */ |
| if (hdd_ipa->suspended) { |
| qdf_mem_set(skb->cb, sizeof(skb->cb), 0); |
| pm_tx_cb = (struct hdd_ipa_pm_tx_cb *)skb->cb; |
| pm_tx_cb->iface_context = iface_context; |
| pm_tx_cb->ipa_tx_desc = ipa_tx_desc; |
| qdf_nbuf_queue_add(&hdd_ipa->pm_queue_head, skb); |
| hdd_ipa->stats.num_tx_queued++; |
| |
| qdf_spin_unlock_bh(&hdd_ipa->pm_lock); |
| return; |
| } |
| |
| qdf_spin_unlock_bh(&hdd_ipa->pm_lock); |
| |
| /* |
| * If we are here means, host is not suspended, wait for the work queue |
| * to finish. |
| */ |
| #ifdef WLAN_OPEN_SOURCE |
| flush_work(&hdd_ipa->pm_work); |
| #endif |
| |
| return hdd_ipa_send_pkt_to_tl(iface_context, ipa_tx_desc); |
| } |
| |
| /* |
| * hdd_ipa_i2w_cb() - SSR wrapper for __hdd_ipa_i2w_cb |
| * @priv: pointer to private data registered with IPA (we register a |
| * pointer to the interface-specific IPA context) |
| * @evt: the IPA event which triggered the callback |
| * @data: data associated with the event |
| * |
| * Return: None |
| */ |
| static void hdd_ipa_i2w_cb(void *priv, enum ipa_dp_evt_type evt, |
| unsigned long data) |
| { |
| cds_ssr_protect(__func__); |
| __hdd_ipa_i2w_cb(priv, evt, data); |
| cds_ssr_unprotect(__func__); |
| } |
| |
| /** |
| * __hdd_ipa_suspend() - Suspend IPA |
| * @hdd_ctx: Global HDD context |
| * |
| * Return: 0 on success, negativer errno on error |
| */ |
| static int __hdd_ipa_suspend(hdd_context_t *hdd_ctx) |
| { |
| struct hdd_ipa_priv *hdd_ipa; |
| |
| if (wlan_hdd_validate_context(hdd_ctx)) |
| return 0; |
| |
| hdd_ipa = hdd_ctx->hdd_ipa; |
| |
| if (!hdd_ipa_is_enabled(hdd_ctx)) |
| return 0; |
| |
| /* |
| * Check if IPA is ready for suspend, If we are here means, there is |
| * high chance that suspend would go through but just to avoid any race |
| * condition after suspend started, these checks are conducted before |
| * allowing to suspend. |
| */ |
| if (atomic_read(&hdd_ipa->tx_ref_cnt)) |
| return -EAGAIN; |
| |
| qdf_spin_lock_bh(&hdd_ipa->rm_lock); |
| |
| if (hdd_ipa->rm_state != HDD_IPA_RM_RELEASED) { |
| qdf_spin_unlock_bh(&hdd_ipa->rm_lock); |
| return -EAGAIN; |
| } |
| qdf_spin_unlock_bh(&hdd_ipa->rm_lock); |
| |
| qdf_spin_lock_bh(&hdd_ipa->pm_lock); |
| hdd_ipa->suspended = true; |
| qdf_spin_unlock_bh(&hdd_ipa->pm_lock); |
| |
| return 0; |
| } |
| |
| /** |
| * hdd_ipa_suspend() - SSR wrapper for __hdd_ipa_suspend |
| * @hdd_ctx: Global HDD context |
| * |
| * Return: 0 on success, negativer errno on error |
| */ |
| int hdd_ipa_suspend(hdd_context_t *hdd_ctx) |
| { |
| int ret; |
| |
| cds_ssr_protect(__func__); |
| ret = __hdd_ipa_suspend(hdd_ctx); |
| cds_ssr_unprotect(__func__); |
| |
| return ret; |
| } |
| |
| /** |
| * __hdd_ipa_resume() - Resume IPA following suspend |
| * hdd_ctx: Global HDD context |
| * |
| * Return: 0 on success, negative errno on error |
| */ |
| static int __hdd_ipa_resume(hdd_context_t *hdd_ctx) |
| { |
| struct hdd_ipa_priv *hdd_ipa; |
| |
| if (wlan_hdd_validate_context(hdd_ctx)) |
| return 0; |
| |
| hdd_ipa = hdd_ctx->hdd_ipa; |
| |
| if (!hdd_ipa_is_enabled(hdd_ctx)) |
| return 0; |
| |
| schedule_work(&hdd_ipa->pm_work); |
| |
| qdf_spin_lock_bh(&hdd_ipa->pm_lock); |
| hdd_ipa->suspended = false; |
| qdf_spin_unlock_bh(&hdd_ipa->pm_lock); |
| |
| return 0; |
| } |
| |
| /** |
| * hdd_ipa_resume() - SSR wrapper for __hdd_ipa_resume |
| * hdd_ctx: Global HDD context |
| * |
| * Return: 0 on success, negative errno on error |
| */ |
| int hdd_ipa_resume(hdd_context_t *hdd_ctx) |
| { |
| int ret; |
| |
| cds_ssr_protect(__func__); |
| ret = __hdd_ipa_resume(hdd_ctx); |
| cds_ssr_unprotect(__func__); |
| |
| return ret; |
| } |
| |
| /** |
| * hdd_ipa_setup_sys_pipe() - Setup all IPA Sys pipes |
| * @hdd_ipa: Global HDD IPA context |
| * |
| * Return: 0 on success, negative errno on error |
| */ |
| static int hdd_ipa_setup_sys_pipe(struct hdd_ipa_priv *hdd_ipa) |
| { |
| int i, ret = 0; |
| struct ipa_sys_connect_params *ipa; |
| uint32_t desc_fifo_sz; |
| |
| /* The maximum number of descriptors that can be provided to a BAM at |
| * once is one less than the total number of descriptors that the buffer |
| * can contain. |
| * If max_num_of_descriptors = (BAM_PIPE_DESCRIPTOR_FIFO_SIZE / sizeof |
| * (SPS_DESCRIPTOR)), then (max_num_of_descriptors - 1) descriptors can |
| * be provided at once. |
| * Because of above requirement, one extra descriptor will be added to |
| * make sure hardware always has one descriptor. |
| */ |
| desc_fifo_sz = hdd_ipa->hdd_ctx->config->IpaDescSize |
| + sizeof(struct sps_iovec); |
| |
| /*setup TX pipes */ |
| for (i = 0; i < HDD_IPA_MAX_IFACE; i++) { |
| ipa = &hdd_ipa->sys_pipe[i].ipa_sys_params; |
| |
| ipa->client = hdd_ipa_adapter_2_client[i].cons_client; |
| ipa->desc_fifo_sz = desc_fifo_sz; |
| ipa->priv = &hdd_ipa->iface_context[i]; |
| ipa->notify = hdd_ipa_i2w_cb; |
| |
| if (hdd_ipa_uc_sta_is_enabled(hdd_ipa->hdd_ctx)) { |
| ipa->ipa_ep_cfg.hdr.hdr_len = |
| HDD_IPA_UC_WLAN_TX_HDR_LEN; |
| ipa->ipa_ep_cfg.nat.nat_en = IPA_BYPASS_NAT; |
| ipa->ipa_ep_cfg.hdr.hdr_ofst_pkt_size_valid = 1; |
| ipa->ipa_ep_cfg.hdr.hdr_ofst_pkt_size = 0; |
| ipa->ipa_ep_cfg.hdr.hdr_additional_const_len = |
| HDD_IPA_UC_WLAN_8023_HDR_SIZE; |
| ipa->ipa_ep_cfg.hdr_ext.hdr_little_endian = true; |
| } else { |
| ipa->ipa_ep_cfg.hdr.hdr_len = HDD_IPA_WLAN_TX_HDR_LEN; |
| } |
| ipa->ipa_ep_cfg.mode.mode = IPA_BASIC; |
| |
| if (!hdd_ipa_is_rm_enabled(hdd_ipa->hdd_ctx)) |
| ipa->keep_ipa_awake = 1; |
| |
| ret = ipa_setup_sys_pipe(ipa, &(hdd_ipa->sys_pipe[i].conn_hdl)); |
| if (ret) { |
| HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, "Failed for pipe %d" |
| " ret: %d", i, ret); |
| goto setup_sys_pipe_fail; |
| } |
| hdd_ipa->sys_pipe[i].conn_hdl_valid = 1; |
| } |
| |
| if (!hdd_ipa_uc_sta_is_enabled(hdd_ipa->hdd_ctx)) { |
| /* |
| * Hard code it here, this can be extended if in case |
| * PROD pipe is also per interface. |
| * Right now there is no advantage of doing this. |
| */ |
| hdd_ipa->prod_client = IPA_CLIENT_WLAN1_PROD; |
| |
| ipa = &hdd_ipa->sys_pipe[HDD_IPA_RX_PIPE].ipa_sys_params; |
| |
| ipa->client = hdd_ipa->prod_client; |
| |
| ipa->desc_fifo_sz = desc_fifo_sz; |
| ipa->priv = hdd_ipa; |
| ipa->notify = hdd_ipa_w2i_cb; |
| |
| ipa->ipa_ep_cfg.nat.nat_en = IPA_BYPASS_NAT; |
| ipa->ipa_ep_cfg.hdr.hdr_len = HDD_IPA_WLAN_RX_HDR_LEN; |
| ipa->ipa_ep_cfg.hdr.hdr_ofst_metadata_valid = 1; |
| ipa->ipa_ep_cfg.mode.mode = IPA_BASIC; |
| |
| if (!hdd_ipa_is_rm_enabled(hdd_ipa->hdd_ctx)) |
| ipa->keep_ipa_awake = 1; |
| |
| ret = ipa_setup_sys_pipe(ipa, &(hdd_ipa->sys_pipe[i].conn_hdl)); |
| if (ret) { |
| HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, |
| "Failed for RX pipe: %d", ret); |
| goto setup_sys_pipe_fail; |
| } |
| hdd_ipa->sys_pipe[HDD_IPA_RX_PIPE].conn_hdl_valid = 1; |
| } |
| |
| return ret; |
| |
| setup_sys_pipe_fail: |
| |
| while (--i >= 0) { |
| ipa_teardown_sys_pipe(hdd_ipa->sys_pipe[i].conn_hdl); |
| qdf_mem_zero(&hdd_ipa->sys_pipe[i], |
| sizeof(struct hdd_ipa_sys_pipe)); |
| } |
| |
| return ret; |
| } |
| |
| /** |
| * hdd_ipa_teardown_sys_pipe() - Tear down all IPA Sys pipes |
| * @hdd_ipa: Global HDD IPA context |
| * |
| * Return: None |
| */ |
| static void hdd_ipa_teardown_sys_pipe(struct hdd_ipa_priv *hdd_ipa) |
| { |
| int ret = 0, i; |
| for (i = 0; i < HDD_IPA_MAX_SYSBAM_PIPE; i++) { |
| if (hdd_ipa->sys_pipe[i].conn_hdl_valid) { |
| ret = |
| ipa_teardown_sys_pipe(hdd_ipa->sys_pipe[i]. |
| conn_hdl); |
| if (ret) |
| HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, "Failed: %d", |
| ret); |
| |
| hdd_ipa->sys_pipe[i].conn_hdl_valid = 0; |
| } |
| } |
| } |
| |
| /** |
| * hdd_ipa_register_interface() - register IPA interface |
| * @hdd_ipa: Global IPA context |
| * @iface_context: Per-interface IPA context |
| * |
| * Return: 0 on success, negative errno on error |
| */ |
| static int hdd_ipa_register_interface(struct hdd_ipa_priv *hdd_ipa, |
| struct hdd_ipa_iface_context |
| *iface_context) |
| { |
| struct ipa_tx_intf tx_intf; |
| struct ipa_rx_intf rx_intf; |
| struct ipa_ioc_tx_intf_prop *tx_prop = NULL; |
| struct ipa_ioc_rx_intf_prop *rx_prop = NULL; |
| char *ifname = iface_context->adapter->dev->name; |
| |
| char ipv4_hdr_name[IPA_RESOURCE_NAME_MAX]; |
| char ipv6_hdr_name[IPA_RESOURCE_NAME_MAX]; |
| |
| int num_prop = 1; |
| int ret = 0; |
| |
| if (hdd_ipa_is_ipv6_enabled(hdd_ipa->hdd_ctx)) |
| num_prop++; |
| |
| /* Allocate TX properties for TOS categories, 1 each for IPv4 & IPv6 */ |
| tx_prop = |
| qdf_mem_malloc(sizeof(struct ipa_ioc_tx_intf_prop) * num_prop); |
| if (!tx_prop) { |
| HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, "tx_prop allocation failed"); |
| goto register_interface_fail; |
| } |
| |
| /* Allocate RX properties, 1 each for IPv4 & IPv6 */ |
| rx_prop = |
| qdf_mem_malloc(sizeof(struct ipa_ioc_rx_intf_prop) * num_prop); |
| if (!rx_prop) { |
| HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, "rx_prop allocation failed"); |
| goto register_interface_fail; |
| } |
| |
| qdf_mem_zero(&tx_intf, sizeof(tx_intf)); |
| qdf_mem_zero(&rx_intf, sizeof(rx_intf)); |
| |
| snprintf(ipv4_hdr_name, IPA_RESOURCE_NAME_MAX, "%s%s", |
| ifname, HDD_IPA_IPV4_NAME_EXT); |
| snprintf(ipv6_hdr_name, IPA_RESOURCE_NAME_MAX, "%s%s", |
| ifname, HDD_IPA_IPV6_NAME_EXT); |
| |
| rx_prop[IPA_IP_v4].ip = IPA_IP_v4; |
| rx_prop[IPA_IP_v4].src_pipe = iface_context->prod_client; |
| rx_prop[IPA_IP_v4].hdr_l2_type = IPA_HDR_L2_ETHERNET_II; |
| rx_prop[IPA_IP_v4].attrib.attrib_mask = IPA_FLT_META_DATA; |
| |
| /* |
| * Interface ID is 3rd byte in the CLD header. Add the meta data and |
| * mask to identify the interface in IPA hardware |
| */ |
| rx_prop[IPA_IP_v4].attrib.meta_data = |
| htonl(iface_context->adapter->sessionId << 16); |
| rx_prop[IPA_IP_v4].attrib.meta_data_mask = htonl(0x00FF0000); |
| |
| rx_intf.num_props++; |
| if (hdd_ipa_is_ipv6_enabled(hdd_ipa->hdd_ctx)) { |
| rx_prop[IPA_IP_v6].ip = IPA_IP_v6; |
| rx_prop[IPA_IP_v6].src_pipe = iface_context->prod_client; |
| rx_prop[IPA_IP_v6].hdr_l2_type = IPA_HDR_L2_ETHERNET_II; |
| rx_prop[IPA_IP_v4].attrib.attrib_mask = IPA_FLT_META_DATA; |
| rx_prop[IPA_IP_v4].attrib.meta_data = |
| htonl(iface_context->adapter->sessionId << 16); |
| rx_prop[IPA_IP_v4].attrib.meta_data_mask = htonl(0x00FF0000); |
| |
| rx_intf.num_props++; |
| } |
| |
| tx_prop[IPA_IP_v4].ip = IPA_IP_v4; |
| tx_prop[IPA_IP_v4].hdr_l2_type = IPA_HDR_L2_ETHERNET_II; |
| tx_prop[IPA_IP_v4].dst_pipe = IPA_CLIENT_WLAN1_CONS; |
| tx_prop[IPA_IP_v4].alt_dst_pipe = iface_context->cons_client; |
| strlcpy(tx_prop[IPA_IP_v4].hdr_name, ipv4_hdr_name, |
| IPA_RESOURCE_NAME_MAX); |
| tx_intf.num_props++; |
| |
| if (hdd_ipa_is_ipv6_enabled(hdd_ipa->hdd_ctx)) { |
| tx_prop[IPA_IP_v6].ip = IPA_IP_v6; |
| tx_prop[IPA_IP_v6].hdr_l2_type = IPA_HDR_L2_ETHERNET_II; |
| tx_prop[IPA_IP_v6].dst_pipe = IPA_CLIENT_WLAN1_CONS; |
| tx_prop[IPA_IP_v6].alt_dst_pipe = iface_context->cons_client; |
| strlcpy(tx_prop[IPA_IP_v6].hdr_name, ipv6_hdr_name, |
| IPA_RESOURCE_NAME_MAX); |
| tx_intf.num_props++; |
| } |
| |
| tx_intf.prop = tx_prop; |
| rx_intf.prop = rx_prop; |
| |
| /* Call the ipa api to register interface */ |
| ret = ipa_register_intf(ifname, &tx_intf, &rx_intf); |
| |
| register_interface_fail: |
| qdf_mem_free(tx_prop); |
| qdf_mem_free(rx_prop); |
| return ret; |
| } |
| |
| /** |
| * hdd_remove_ipa_header() - Remove a specific header from IPA |
| * @name: Name of the header to be removed |
| * |
| * Return: None |
| */ |
| static void hdd_ipa_remove_header(char *name) |
| { |
| struct ipa_ioc_get_hdr hdrlookup; |
| int ret = 0, len; |
| struct ipa_ioc_del_hdr *ipa_hdr; |
| |
| qdf_mem_zero(&hdrlookup, sizeof(hdrlookup)); |
| strlcpy(hdrlookup.name, name, sizeof(hdrlookup.name)); |
| ret = ipa_get_hdr(&hdrlookup); |
| if (ret) { |
| HDD_IPA_LOG(QDF_TRACE_LEVEL_INFO, "Hdr deleted already %s, %d", |
| name, ret); |
| return; |
| } |
| |
| HDD_IPA_LOG(QDF_TRACE_LEVEL_INFO, "hdl: 0x%x", hdrlookup.hdl); |
| len = sizeof(struct ipa_ioc_del_hdr) + sizeof(struct ipa_hdr_del) * 1; |
| ipa_hdr = (struct ipa_ioc_del_hdr *)qdf_mem_malloc(len); |
| if (ipa_hdr == NULL) { |
| HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, "ipa_hdr allocation failed"); |
| return; |
| } |
| ipa_hdr->num_hdls = 1; |
| ipa_hdr->commit = 0; |
| ipa_hdr->hdl[0].hdl = hdrlookup.hdl; |
| ipa_hdr->hdl[0].status = -1; |
| ret = ipa_del_hdr(ipa_hdr); |
| if (ret != 0) |
| HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, "Delete header failed: %d", |
| ret); |
| |
| qdf_mem_free(ipa_hdr); |
| } |
| |
| /** |
| * wlan_ipa_add_hdr() - Add IPA Tx header |
| * @ipa_hdr: pointer to IPA header addition parameters |
| * |
| * Call IPA API to add IPA Tx header descriptor |
| * and dump Tx header struct |
| * |
| * Return: 0 for success, non-zero for failure |
| */ |
| static int wlan_ipa_add_hdr(struct ipa_ioc_add_hdr *ipa_hdr) |
| { |
| int ret; |
| |
| hdd_info("==== IPA Tx Header ====\n" |
| "name: %s\n" |
| "hdr_len: %d\n" |
| "type: %d\n" |
| "is_partial: %d\n" |
| "hdr_hdl: 0x%x\n" |
| "status: %d\n" |
| "is_eth2_ofst_valid: %d\n" |
| "eth2_ofst: %d\n", |
| ipa_hdr->hdr[0].name, |
| ipa_hdr->hdr[0].hdr_len, |
| ipa_hdr->hdr[0].type, |
| ipa_hdr->hdr[0].is_partial, |
| ipa_hdr->hdr[0].hdr_hdl, |
| ipa_hdr->hdr[0].status, |
| ipa_hdr->hdr[0].is_eth2_ofst_valid, |
| ipa_hdr->hdr[0].eth2_ofst); |
| |
| HDD_IPA_DBG_DUMP(QDF_TRACE_LEVEL_ERROR, "hdr:", |
| ipa_hdr->hdr[0].hdr, HDD_IPA_UC_WLAN_TX_HDR_LEN); |
| |
| ret = ipa_add_hdr(ipa_hdr); |
| return ret; |
| } |
| |
| /** |
| * hdd_ipa_add_header_info() - Add IPA header for a given interface |
| * @hdd_ipa: Global HDD IPA context |
| * @iface_context: Interface-specific HDD IPA context |
| * @mac_addr: Interface MAC address |
| * |
| * Return: 0 on success, negativer errno value on error |
| */ |
| static int hdd_ipa_add_header_info(struct hdd_ipa_priv *hdd_ipa, |
| struct hdd_ipa_iface_context *iface_context, |
| uint8_t *mac_addr) |
| { |
| hdd_adapter_t *adapter = iface_context->adapter; |
| char *ifname; |
| struct ipa_ioc_add_hdr *ipa_hdr = NULL; |
| int ret = -EINVAL; |
| struct hdd_ipa_tx_hdr *tx_hdr = NULL; |
| struct hdd_ipa_uc_tx_hdr *uc_tx_hdr = NULL; |
| |
| ifname = adapter->dev->name; |
| |
| HDD_IPA_LOG(QDF_TRACE_LEVEL_INFO, "Add Partial hdr: %s, %pM", |
| ifname, mac_addr); |
| |
| /* dynamically allocate the memory to add the hdrs */ |
| ipa_hdr = qdf_mem_malloc(sizeof(struct ipa_ioc_add_hdr) |
| + sizeof(struct ipa_hdr_add)); |
| if (!ipa_hdr) { |
| HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, |
| "%s: ipa_hdr allocation failed", ifname); |
| ret = -ENOMEM; |
| goto end; |
| } |
| |
| ipa_hdr->commit = 0; |
| ipa_hdr->num_hdrs = 1; |
| |
| if (hdd_ipa_uc_is_enabled(hdd_ipa->hdd_ctx)) { |
| uc_tx_hdr = (struct hdd_ipa_uc_tx_hdr *)ipa_hdr->hdr[0].hdr; |
| memcpy(uc_tx_hdr, &ipa_uc_tx_hdr, HDD_IPA_UC_WLAN_TX_HDR_LEN); |
| memcpy(uc_tx_hdr->eth.h_source, mac_addr, ETH_ALEN); |
| uc_tx_hdr->ipa_hd.vdev_id = iface_context->adapter->sessionId; |
| HDD_IPA_LOG(QDF_TRACE_LEVEL_DEBUG, |
| "ifname=%s, vdev_id=%d", |
| ifname, uc_tx_hdr->ipa_hd.vdev_id); |
| snprintf(ipa_hdr->hdr[0].name, IPA_RESOURCE_NAME_MAX, "%s%s", |
| ifname, HDD_IPA_IPV4_NAME_EXT); |
| ipa_hdr->hdr[0].hdr_len = HDD_IPA_UC_WLAN_TX_HDR_LEN; |
| ipa_hdr->hdr[0].type = IPA_HDR_L2_ETHERNET_II; |
| ipa_hdr->hdr[0].is_partial = 1; |
| ipa_hdr->hdr[0].hdr_hdl = 0; |
| ipa_hdr->hdr[0].is_eth2_ofst_valid = 1; |
| ipa_hdr->hdr[0].eth2_ofst = HDD_IPA_UC_WLAN_HDR_DES_MAC_OFFSET; |
| |
| ret = wlan_ipa_add_hdr(ipa_hdr); |
| } else { |
| tx_hdr = (struct hdd_ipa_tx_hdr *)ipa_hdr->hdr[0].hdr; |
| |
| /* Set the Source MAC */ |
| memcpy(tx_hdr, &ipa_tx_hdr, HDD_IPA_WLAN_TX_HDR_LEN); |
| memcpy(tx_hdr->eth.h_source, mac_addr, ETH_ALEN); |
| |
| snprintf(ipa_hdr->hdr[0].name, IPA_RESOURCE_NAME_MAX, "%s%s", |
| ifname, HDD_IPA_IPV4_NAME_EXT); |
| ipa_hdr->hdr[0].hdr_len = HDD_IPA_WLAN_TX_HDR_LEN; |
| ipa_hdr->hdr[0].is_partial = 1; |
| ipa_hdr->hdr[0].hdr_hdl = 0; |
| ipa_hdr->hdr[0].is_eth2_ofst_valid = 1; |
| ipa_hdr->hdr[0].eth2_ofst = HDD_IPA_WLAN_HDR_DES_MAC_OFFSET; |
| |
| /* Set the type to IPV4 in the header */ |
| tx_hdr->llc_snap.eth_type = cpu_to_be16(ETH_P_IP); |
| |
| ret = ipa_add_hdr(ipa_hdr); |
| } |
| if (ret) { |
| HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, "%s IPv4 add hdr failed: %d", |
| ifname, ret); |
| goto end; |
| } |
| |
| HDD_IPA_LOG(QDF_TRACE_LEVEL_INFO, "%s: IPv4 hdr_hdl: 0x%x", |
| ipa_hdr->hdr[0].name, ipa_hdr->hdr[0].hdr_hdl); |
| |
| if (hdd_ipa_is_ipv6_enabled(hdd_ipa->hdd_ctx)) { |
| snprintf(ipa_hdr->hdr[0].name, IPA_RESOURCE_NAME_MAX, "%s%s", |
| ifname, HDD_IPA_IPV6_NAME_EXT); |
| |
| if (hdd_ipa_uc_is_enabled(hdd_ipa->hdd_ctx)) { |
| uc_tx_hdr = |
| (struct hdd_ipa_uc_tx_hdr *)ipa_hdr->hdr[0].hdr; |
| uc_tx_hdr->eth.h_proto = cpu_to_be16(ETH_P_IPV6); |
| ret = wlan_ipa_add_hdr(ipa_hdr); |
| } else { |
| /* Set the type to IPV6 in the header */ |
| tx_hdr = (struct hdd_ipa_tx_hdr *)ipa_hdr->hdr[0].hdr; |
| tx_hdr->llc_snap.eth_type = cpu_to_be16(ETH_P_IPV6); |
| ret = ipa_add_hdr(ipa_hdr); |
| } |
| |
| if (ret) { |
| HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, |
| "%s: IPv6 add hdr failed: %d", ifname, ret); |
| goto clean_ipv4_hdr; |
| } |
| |
| HDD_IPA_LOG(QDF_TRACE_LEVEL_INFO, "%s: IPv6 hdr_hdl: 0x%x", |
| ipa_hdr->hdr[0].name, ipa_hdr->hdr[0].hdr_hdl); |
| } |
| |
| qdf_mem_free(ipa_hdr); |
| |
| return ret; |
| |
| clean_ipv4_hdr: |
| snprintf(ipa_hdr->hdr[0].name, IPA_RESOURCE_NAME_MAX, "%s%s", |
| ifname, HDD_IPA_IPV4_NAME_EXT); |
| hdd_ipa_remove_header(ipa_hdr->hdr[0].name); |
| end: |
| if (ipa_hdr) |
| qdf_mem_free(ipa_hdr); |
| |
| return ret; |
| } |
| |
| /** |
| * hdd_ipa_clean_hdr() - Cleanup IPA on a given adapter |
| * @adapter: Adapter upon which IPA was previously configured |
| * |
| * Return: None |
| */ |
| static void hdd_ipa_clean_hdr(hdd_adapter_t *adapter) |
| { |
| struct hdd_ipa_priv *hdd_ipa = ghdd_ipa; |
| int ret; |
| char name_ipa[IPA_RESOURCE_NAME_MAX]; |
| |
| /* Remove the headers */ |
| snprintf(name_ipa, IPA_RESOURCE_NAME_MAX, "%s%s", |
| adapter->dev->name, HDD_IPA_IPV4_NAME_EXT); |
| hdd_ipa_remove_header(name_ipa); |
| |
| if (hdd_ipa_is_ipv6_enabled(hdd_ipa->hdd_ctx)) { |
| snprintf(name_ipa, IPA_RESOURCE_NAME_MAX, "%s%s", |
| adapter->dev->name, HDD_IPA_IPV6_NAME_EXT); |
| hdd_ipa_remove_header(name_ipa); |
| } |
| /* unregister the interface with IPA */ |
| ret = ipa_deregister_intf(adapter->dev->name); |
| if (ret) |
| HDD_IPA_LOG(QDF_TRACE_LEVEL_INFO, |
| "%s: ipa_deregister_intf fail: %d", |
| adapter->dev->name, ret); |
| } |
| |
| /** |
| * hdd_ipa_cleanup_iface() - Cleanup IPA on a given interface |
| * @iface_context: interface-specific IPA context |
| * |
| * Return: None |
| */ |
| static void hdd_ipa_cleanup_iface(struct hdd_ipa_iface_context *iface_context) |
| { |
| if (iface_context == NULL) |
| return; |
| |
| hdd_ipa_clean_hdr(iface_context->adapter); |
| |
| qdf_spin_lock_bh(&iface_context->interface_lock); |
| iface_context->adapter->ipa_context = NULL; |
| iface_context->adapter = NULL; |
| iface_context->tl_context = NULL; |
| qdf_spin_unlock_bh(&iface_context->interface_lock); |
| iface_context->ifa_address = 0; |
| if (!iface_context->hdd_ipa->num_iface) { |
| HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, |
| "NUM INTF 0, Invalid"); |
| QDF_ASSERT(0); |
| } |
| iface_context->hdd_ipa->num_iface--; |
| } |
| |
| /** |
| * hdd_ipa_setup_iface() - Setup IPA on a given interface |
| * @hdd_ipa: HDD IPA global context |
| * @adapter: Interface upon which IPA is being setup |
| * @sta_id: Station ID of the API instance |
| * |
| * Return: 0 on success, negative errno value on error |
| */ |
| static int hdd_ipa_setup_iface(struct hdd_ipa_priv *hdd_ipa, |
| hdd_adapter_t *adapter, uint8_t sta_id) |
| { |
| struct hdd_ipa_iface_context *iface_context = NULL; |
| void *tl_context = NULL; |
| int i, ret = 0; |
| |
| /* Lower layer may send multiple START_BSS_EVENT in DFS mode or during |
| * channel change indication. Since these indications are sent by lower |
| * layer as SAP updates and IPA doesn't have to do anything for these |
| * updates so ignoring! |
| */ |
| if (QDF_SAP_MODE == adapter->device_mode && adapter->ipa_context) |
| return 0; |
| |
| for (i = 0; i < HDD_IPA_MAX_IFACE; i++) { |
| if (hdd_ipa->iface_context[i].adapter == NULL) { |
| iface_context = &(hdd_ipa->iface_context[i]); |
| break; |
| } |
| } |
| |
| if (iface_context == NULL) { |
| HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, |
| "All the IPA interfaces are in use"); |
| ret = -ENOMEM; |
| goto end; |
| } |
| |
| adapter->ipa_context = iface_context; |
| iface_context->adapter = adapter; |
| iface_context->sta_id = sta_id; |
| tl_context = cdp_peer_get_vdev_by_sta_id( |
| cds_get_context(QDF_MODULE_ID_SOC), sta_id); |
| if (tl_context == NULL) { |
| HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, |
| "Not able to get TL context sta_id: %d", sta_id); |
| ret = -EINVAL; |
| goto end; |
| } |
| |
| iface_context->tl_context = tl_context; |
| |
| ret = hdd_ipa_add_header_info(hdd_ipa, iface_context, |
| adapter->dev->dev_addr); |
| |
| if (ret) |
| goto end; |
| |
| /* Configure the TX and RX pipes filter rules */ |
| ret = hdd_ipa_register_interface(hdd_ipa, iface_context); |
| if (ret) |
| goto cleanup_header; |
| |
| hdd_ipa->num_iface++; |
| return ret; |
| |
| cleanup_header: |
| |
| hdd_ipa_clean_hdr(adapter); |
| end: |
| if (iface_context) |
| hdd_ipa_cleanup_iface(iface_context); |
| return ret; |
| } |
| |
| #ifndef QCA_LL_TX_FLOW_CONTROL_V2 |
| /** |
| * __hdd_ipa_send_mcc_scc_msg() - send IPA WLAN_SWITCH_TO_MCC/SCC message |
| * @mcc_mode: 0=MCC/1=SCC |
| * |
| * Return: 0 on success, negative errno value on error |
| */ |
| static int __hdd_ipa_send_mcc_scc_msg(hdd_context_t *hdd_ctx, bool mcc_mode) |
| { |
| hdd_adapter_list_node_t *adapter_node = NULL, *next = NULL; |
| QDF_STATUS status; |
| hdd_adapter_t *pAdapter; |
| struct ipa_msg_meta meta; |
| struct ipa_wlan_msg *msg; |
| int ret; |
| |
| if (wlan_hdd_validate_context(hdd_ctx)) |
| return -EINVAL; |
| |
| if (!hdd_ipa_uc_sta_is_enabled(hdd_ctx)) |
| return -EINVAL; |
| |
| if (!hdd_ctx->mcc_mode) { |
| /* Flush TxRx queue for each adapter before switch to SCC */ |
| status = hdd_get_front_adapter(hdd_ctx, &adapter_node); |
| while (NULL != adapter_node && QDF_STATUS_SUCCESS == status) { |
| pAdapter = adapter_node->pAdapter; |
| if (pAdapter->device_mode == QDF_STA_MODE || |
| pAdapter->device_mode == QDF_SAP_MODE) { |
| hdd_info("MCC->SCC: Flush TxRx queue(d_mode=%d)", |
| pAdapter->device_mode); |
| hdd_deinit_tx_rx(pAdapter); |
| } |
| status = hdd_get_next_adapter( |
| hdd_ctx, adapter_node, &next); |
| adapter_node = next; |
| } |
| } |
| |
| /* Send SCC/MCC Switching event to IPA */ |
| meta.msg_len = sizeof(*msg); |
| msg = qdf_mem_malloc(meta.msg_len); |
| if (msg == NULL) { |
| hdd_err("msg allocation failed"); |
| return -ENOMEM; |
| } |
| |
| meta.msg_type = mcc_mode ? |
| WLAN_SWITCH_TO_MCC : WLAN_SWITCH_TO_SCC; |
| hdd_info("ipa_send_msg(Evt:%d)", meta.msg_type); |
| |
| ret = ipa_send_msg(&meta, msg, hdd_ipa_msg_free_fn); |
| |
| if (ret) { |
| hdd_err("ipa_send_msg(Evt:%d) - fail=%d", |
| meta.msg_type, ret); |
| qdf_mem_free(msg); |
| } |
| |
| return ret; |
| } |
| |
| /** |
| * hdd_ipa_send_mcc_scc_msg() - SSR wrapper for __hdd_ipa_send_mcc_scc_msg |
| * @mcc_mode: 0=MCC/1=SCC |
| * |
| * Return: 0 on success, negative errno value on error |
| */ |
| int hdd_ipa_send_mcc_scc_msg(hdd_context_t *hdd_ctx, bool mcc_mode) |
| { |
| int ret; |
| |
| cds_ssr_protect(__func__); |
| ret = __hdd_ipa_send_mcc_scc_msg(hdd_ctx, mcc_mode); |
| cds_ssr_unprotect(__func__); |
| |
| return ret; |
| } |
| #endif |
| |
| /** |
| * hdd_ipa_wlan_event_to_str() - convert IPA WLAN event to string |
| * @event: IPA WLAN event to be converted to a string |
| * |
| * Return: ASCII string representing the IPA WLAN event |
| */ |
| static inline char *hdd_ipa_wlan_event_to_str(enum ipa_wlan_event event) |
| { |
| switch (event) { |
| case WLAN_CLIENT_CONNECT: |
| return "WLAN_CLIENT_CONNECT"; |
| case WLAN_CLIENT_DISCONNECT: |
| return "WLAN_CLIENT_DISCONNECT"; |
| case WLAN_CLIENT_POWER_SAVE_MODE: |
| return "WLAN_CLIENT_POWER_SAVE_MODE"; |
| case WLAN_CLIENT_NORMAL_MODE: |
| return "WLAN_CLIENT_NORMAL_MODE"; |
| case SW_ROUTING_ENABLE: |
| return "SW_ROUTING_ENABLE"; |
| case SW_ROUTING_DISABLE: |
| return "SW_ROUTING_DISABLE"; |
| case WLAN_AP_CONNECT: |
| return "WLAN_AP_CONNECT"; |
| case WLAN_AP_DISCONNECT: |
| return "WLAN_AP_DISCONNECT"; |
| case WLAN_STA_CONNECT: |
| return "WLAN_STA_CONNECT"; |
| case WLAN_STA_DISCONNECT: |
| return "WLAN_STA_DISCONNECT"; |
| case WLAN_CLIENT_CONNECT_EX: |
| return "WLAN_CLIENT_CONNECT_EX"; |
| |
| case IPA_WLAN_EVENT_MAX: |
| default: |
| return "UNKNOWN"; |
| } |
| } |
| |
| /** |
| * hdd_to_ipa_wlan_event() - convert hdd_ipa_wlan_event to ipa_wlan_event |
| * @hdd_ipa_event_type: HDD IPA WLAN event to be converted to an ipa_wlan_event |
| * |
| * Return: ipa_wlan_event representing the hdd_ipa_wlan_event |
| */ |
| static enum ipa_wlan_event |
| hdd_to_ipa_wlan_event(enum hdd_ipa_wlan_event hdd_ipa_event_type) |
| { |
| enum ipa_wlan_event ipa_event; |
| |
| switch (hdd_ipa_event_type) { |
| case HDD_IPA_CLIENT_CONNECT: |
| ipa_event = WLAN_CLIENT_CONNECT; |
| break; |
| case HDD_IPA_CLIENT_DISCONNECT: |
| ipa_event = WLAN_CLIENT_DISCONNECT; |
| break; |
| case HDD_IPA_AP_CONNECT: |
| ipa_event = WLAN_AP_CONNECT; |
| break; |
| case HDD_IPA_AP_DISCONNECT: |
| ipa_event = WLAN_AP_DISCONNECT; |
| break; |
| case HDD_IPA_STA_CONNECT: |
| ipa_event = WLAN_STA_CONNECT; |
| break; |
| case HDD_IPA_STA_DISCONNECT: |
| ipa_event = WLAN_STA_DISCONNECT; |
| break; |
| case HDD_IPA_CLIENT_CONNECT_EX: |
| ipa_event = WLAN_CLIENT_CONNECT_EX; |
| break; |
| case HDD_IPA_WLAN_EVENT_MAX: |
| default: |
| ipa_event = IPA_WLAN_EVENT_MAX; |
| break; |
| } |
| return ipa_event; |
| |
| } |
| |
| /** |
| * __hdd_ipa_wlan_evt() - IPA event handler |
| * @adapter: adapter upon which the event was received |
| * @sta_id: station id for the event |
| * @type: event enum of type ipa_wlan_event |
| * @mac_address: MAC address associated with the event |
| * |
| * This function is meant to be called from within wlan_hdd_ipa.c |
| * |
| * Return: 0 on success, negative errno value on error |
| */ |
| static int __hdd_ipa_wlan_evt(hdd_adapter_t *adapter, uint8_t sta_id, |
| enum ipa_wlan_event type, uint8_t *mac_addr) |
| { |
| struct hdd_ipa_priv *hdd_ipa = ghdd_ipa; |
| struct ipa_msg_meta meta; |
| struct ipa_wlan_msg *msg; |
| struct ipa_wlan_msg_ex *msg_ex = NULL; |
| int ret; |
| |
| HDD_IPA_LOG(QDF_TRACE_LEVEL_INFO, "%s: %s evt, MAC: %pM sta_id: %d", |
| adapter->dev->name, hdd_ipa_wlan_event_to_str(type), |
| mac_addr, sta_id); |
| |
| if (type >= IPA_WLAN_EVENT_MAX) |
| return -EINVAL; |
| |
| if (WARN_ON(is_zero_ether_addr(mac_addr))) |
| return -EINVAL; |
| |
| if (!hdd_ipa || !hdd_ipa_is_enabled(hdd_ipa->hdd_ctx)) { |
| HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, "IPA OFFLOAD NOT ENABLED"); |
| return -EINVAL; |
| } |
| |
| if (hdd_ipa_uc_is_enabled(hdd_ipa->hdd_ctx) && |
| !hdd_ipa_uc_sta_is_enabled(hdd_ipa->hdd_ctx) && |
| (QDF_SAP_MODE != adapter->device_mode)) { |
| return 0; |
| } |
| |
| /* |
| * During IPA UC resource loading/unloading new events can be issued. |
| * Store the events separately and handle them later. |
| */ |
| if (hdd_ipa_uc_is_enabled(hdd_ipa->hdd_ctx)) { |
| if (hdd_ipa->resource_loading) { |
| unsigned int pending_event_count; |
| struct ipa_uc_pending_event *pending_event = NULL; |
| |
| HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, "IPA resource %s inprogress", |
| hdd_ipa->resource_loading ? "load":"unload"); |
| |
| hdd_err("IPA resource %s inprogress", |
| hdd_ipa->resource_loading ? "load":"unload"); |
| |
| qdf_mutex_acquire(&hdd_ipa->event_lock); |
| |
| pending_event_count = qdf_list_size(&hdd_ipa->pending_event); |
| if (pending_event_count >= HDD_IPA_MAX_PENDING_EVENT_COUNT) { |
| hdd_notice("Reached max pending event count"); |
| qdf_list_remove_front(&hdd_ipa->pending_event, |
| (qdf_list_node_t **)&pending_event); |
| } else { |
| pending_event = |
| (struct ipa_uc_pending_event *)qdf_mem_malloc( |
| sizeof(struct ipa_uc_pending_event)); |
| } |
| |
| if (!pending_event) { |
| HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, |
| "Pending event memory alloc fail"); |
| qdf_mutex_release(&hdd_ipa->event_lock); |
| return -ENOMEM; |
| } |
| |
| pending_event->adapter = adapter; |
| pending_event->sta_id = sta_id; |
| pending_event->type = type; |
| qdf_mem_copy(pending_event->mac_addr, |
| mac_addr, |
| QDF_MAC_ADDR_SIZE); |
| qdf_list_insert_back(&hdd_ipa->pending_event, |
| &pending_event->node); |
| |
| qdf_mutex_release(&hdd_ipa->event_lock); |
| return 0; |
| } else if (hdd_ipa->resource_unloading) { |
| hdd_err("%s: IPA resource unload inprogress", __func__); |
| return 0; |
| } |
| } |
| |
| hdd_ipa->stats.event[type]++; |
| |
| meta.msg_type = type; |
| switch (type) { |
| case WLAN_STA_CONNECT: |
| qdf_mutex_acquire(&hdd_ipa->event_lock); |
| |
| /* STA already connected and without disconnect, connect again |
| * This is Roaming scenario |
| */ |
| if (hdd_ipa->sta_connected) |
| hdd_ipa_cleanup_iface(adapter->ipa_context); |
| |
| ret = hdd_ipa_setup_iface(hdd_ipa, adapter, sta_id); |
| if (ret) { |
| qdf_mutex_release(&hdd_ipa->event_lock); |
| goto end; |
| } |
| |
| if (hdd_ipa_uc_sta_is_enabled(hdd_ipa->hdd_ctx) && |
| (hdd_ipa->sap_num_connected_sta > 0) && |
| !hdd_ipa->sta_connected) { |
| qdf_mutex_release(&hdd_ipa->event_lock); |
| hdd_ipa_uc_offload_enable_disable(adapter, |
| SIR_STA_RX_DATA_OFFLOAD, true); |
| qdf_mutex_acquire(&hdd_ipa->event_lock); |
| } |
| |
| hdd_ipa->vdev_to_iface[adapter->sessionId] = |
| ((struct hdd_ipa_iface_context *) |
| (adapter->ipa_context))->iface_id; |
| |
| hdd_ipa->sta_connected = 1; |
| |
| qdf_mutex_release(&hdd_ipa->event_lock); |
| break; |
| |
| case WLAN_AP_CONNECT: |
| qdf_mutex_acquire(&hdd_ipa->event_lock); |
| |
| /* For DFS channel we get two start_bss event (before and after |
| * CAC). Also when ACS range includes both DFS and non DFS |
| * channels, we could possibly change channel many times due to |
| * RADAR detection and chosen channel may not be a DFS channels. |
| * So dont return error here. Just discard the event. |
| */ |
| if (adapter->ipa_context) { |
| qdf_mutex_release(&hdd_ipa->event_lock); |
| return 0; |
| } |
| |
| ret = hdd_ipa_setup_iface(hdd_ipa, adapter, sta_id); |
| if (ret) { |
| hdd_err("%s: Evt: %d, Interface setup failed", |
| msg_ex->name, meta.msg_type); |
| qdf_mutex_release(&hdd_ipa->event_lock); |
| goto end; |
| } |
| |
| if (hdd_ipa_uc_is_enabled(hdd_ipa->hdd_ctx)) { |
| qdf_mutex_release(&hdd_ipa->event_lock); |
| hdd_ipa_uc_offload_enable_disable(adapter, |
| SIR_AP_RX_DATA_OFFLOAD, true); |
| qdf_mutex_acquire(&hdd_ipa->event_lock); |
| } |
| |
| hdd_ipa->vdev_to_iface[adapter->sessionId] = |
| ((struct hdd_ipa_iface_context *) |
| (adapter->ipa_context))->iface_id; |
| |
| qdf_mutex_release(&hdd_ipa->event_lock); |
| break; |
| |
| case WLAN_STA_DISCONNECT: |
| qdf_mutex_acquire(&hdd_ipa->event_lock); |
| |
| if (!hdd_ipa->sta_connected) { |
| hdd_err("%s: Evt: %d, STA already disconnected", |
| msg_ex->name, meta.msg_type); |
| qdf_mutex_release(&hdd_ipa->event_lock); |
| return -EINVAL; |
| } |
| |
| hdd_ipa->sta_connected = 0; |
| |
| if (!hdd_ipa_uc_is_enabled(hdd_ipa->hdd_ctx)) { |
| hdd_notice("%s: IPA UC OFFLOAD NOT ENABLED", |
| msg_ex->name); |
| } else { |
| /* Disable IPA UC TX PIPE when STA disconnected */ |
| if (!hdd_ipa->num_iface && |
| (HDD_IPA_UC_NUM_WDI_PIPE == |
| hdd_ipa->activated_fw_pipe)) |
| hdd_ipa_uc_handle_last_discon(hdd_ipa); |
| } |
| |
| if (hdd_ipa_uc_sta_is_enabled(hdd_ipa->hdd_ctx) && |
| (hdd_ipa->sap_num_connected_sta > 0)) { |
| qdf_mutex_release(&hdd_ipa->event_lock); |
| hdd_ipa_uc_offload_enable_disable(adapter, |
| SIR_STA_RX_DATA_OFFLOAD, false); |
| qdf_mutex_acquire(&hdd_ipa->event_lock); |
| hdd_ipa->vdev_to_iface[adapter->sessionId] = |
| CSR_ROAM_SESSION_MAX; |
| } |
| |
| hdd_ipa_cleanup_iface(adapter->ipa_context); |
| |
| qdf_mutex_release(&hdd_ipa->event_lock); |
| break; |
| |
| case WLAN_AP_DISCONNECT: |
| qdf_mutex_acquire(&hdd_ipa->event_lock); |
| |
| if (!adapter->ipa_context) { |
| hdd_err("%s: Evt: %d, SAP already disconnected", |
| msg_ex->name, meta.msg_type); |
| qdf_mutex_release(&hdd_ipa->event_lock); |
| return -EINVAL; |
| } |
| |
| if ((!hdd_ipa->num_iface) && |
| (HDD_IPA_UC_NUM_WDI_PIPE == |
| hdd_ipa->activated_fw_pipe)) { |
| if (cds_is_driver_unloading()) { |
| /* |
| * We disable WDI pipes directly here since |
| * IPA_OPCODE_TX/RX_SUSPEND message will not be |
| * processed when unloading WLAN driver is in |
| * progress |
| */ |
| hdd_ipa_uc_disable_pipes(hdd_ipa); |
| } else { |
| HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, |
| "NO INTF left but still pipe clean up"); |
| hdd_ipa_uc_handle_last_discon(hdd_ipa); |
| } |
| } |
| |
| if (hdd_ipa_uc_is_enabled(hdd_ipa->hdd_ctx)) { |
| qdf_mutex_release(&hdd_ipa->event_lock); |
| hdd_ipa_uc_offload_enable_disable(adapter, |
| SIR_AP_RX_DATA_OFFLOAD, false); |
| qdf_mutex_acquire(&hdd_ipa->event_lock); |
| hdd_ipa->vdev_to_iface[adapter->sessionId] = |
| CSR_ROAM_SESSION_MAX; |
| } |
| |
| hdd_ipa_cleanup_iface(adapter->ipa_context); |
| |
| qdf_mutex_release(&hdd_ipa->event_lock); |
| break; |
| |
| case WLAN_CLIENT_CONNECT_EX: |
| if (!hdd_ipa_uc_is_enabled(hdd_ipa->hdd_ctx)) { |
| HDD_IPA_LOG(QDF_TRACE_LEVEL_INFO, |
| "%s: Evt: %d, IPA UC OFFLOAD NOT ENABLED", |
| adapter->dev->name, type); |
| return 0; |
| } |
| |
| qdf_mutex_acquire(&hdd_ipa->event_lock); |
| if (hdd_ipa_uc_find_add_assoc_sta(hdd_ipa, |
| true, sta_id)) { |
| qdf_mutex_release(&hdd_ipa->event_lock); |
| HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, |
| "%s: STA ID %d found, not valid", |
| adapter->dev->name, sta_id); |
| return 0; |
| } |
| |
| /* Enable IPA UC Data PIPEs when first STA connected */ |
| if (0 == hdd_ipa->sap_num_connected_sta) { |
| if (hdd_ipa_uc_sta_is_enabled(hdd_ipa->hdd_ctx) && |
| hdd_ipa->sta_connected) { |
| qdf_mutex_release(&hdd_ipa->event_lock); |
| hdd_ipa_uc_offload_enable_disable( |
| hdd_get_adapter(hdd_ipa->hdd_ctx, |
| QDF_STA_MODE), |
| SIR_STA_RX_DATA_OFFLOAD, true); |
| qdf_mutex_acquire(&hdd_ipa->event_lock); |
| } |
| |
| ret = hdd_ipa_uc_handle_first_con(hdd_ipa); |
| if (ret) { |
| HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, |
| "%s: handle 1st con ret %d", |
| adapter->dev->name, ret); |
| |
| if (hdd_ipa_uc_sta_is_enabled( |
| hdd_ipa->hdd_ctx) && |
| hdd_ipa->sta_connected) { |
| qdf_mutex_release(&hdd_ipa->event_lock); |
| hdd_ipa_uc_offload_enable_disable( |
| hdd_get_adapter( |
| hdd_ipa->hdd_ctx, |
| QDF_STA_MODE), |
| SIR_STA_RX_DATA_OFFLOAD, false); |
| } else { |
| qdf_mutex_release(&hdd_ipa->event_lock); |
| } |
| |
| return ret; |
| } |
| } |
| |
| hdd_ipa->sap_num_connected_sta++; |
| |
| qdf_mutex_release(&hdd_ipa->event_lock); |
| |
| meta.msg_type = type; |
| meta.msg_len = (sizeof(struct ipa_wlan_msg_ex) + |
| sizeof(struct ipa_wlan_hdr_attrib_val)); |
| msg_ex = qdf_mem_malloc(meta.msg_len); |
| |
| if (msg_ex == NULL) { |
| HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, |
| "msg_ex allocation failed"); |
| return -ENOMEM; |
| } |
| strlcpy(msg_ex->name, adapter->dev->name, |
| IPA_RESOURCE_NAME_MAX); |
| msg_ex->num_of_attribs = 1; |
| msg_ex->attribs[0].attrib_type = WLAN_HDR_ATTRIB_MAC_ADDR; |
| if (hdd_ipa_uc_is_enabled(hdd_ipa->hdd_ctx)) { |
| msg_ex->attribs[0].offset = |
| HDD_IPA_UC_WLAN_HDR_DES_MAC_OFFSET; |
| } else { |
| msg_ex->attribs[0].offset = |
| HDD_IPA_WLAN_HDR_DES_MAC_OFFSET; |
| } |
| memcpy(msg_ex->attribs[0].u.mac_addr, mac_addr, |
| IPA_MAC_ADDR_SIZE); |
| |
| ret = ipa_send_msg(&meta, msg_ex, hdd_ipa_msg_free_fn); |
| |
| if (ret) { |
| HDD_IPA_LOG(QDF_TRACE_LEVEL_INFO, "%s: Evt: %d : %d", |
| adapter->dev->name, type, ret); |
| qdf_mem_free(msg_ex); |
| return ret; |
| } |
| hdd_ipa->stats.num_send_msg++; |
| return ret; |
| |
| case WLAN_CLIENT_DISCONNECT: |
| if (!hdd_ipa_uc_is_enabled(hdd_ipa->hdd_ctx)) { |
| HDD_IPA_LOG(QDF_TRACE_LEVEL_INFO, |
| "%s: IPA UC OFFLOAD NOT ENABLED", |
| msg_ex->name); |
| return 0; |
| } |
| |
| qdf_mutex_acquire(&hdd_ipa->event_lock); |
| if (!hdd_ipa_uc_find_add_assoc_sta(hdd_ipa, false, sta_id)) { |
| HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, |
| "%s: STA ID %d NOT found, not valid", |
| msg_ex->name, sta_id); |
| qdf_mutex_release(&hdd_ipa->event_lock); |
| return 0; |
| } |
| hdd_ipa->sap_num_connected_sta--; |
| |
| /* Disable IPA UC TX PIPE when last STA disconnected */ |
| if (!hdd_ipa->sap_num_connected_sta) { |
| if ((false == hdd_ipa->resource_unloading) |
| && (HDD_IPA_UC_NUM_WDI_PIPE == |
| hdd_ipa->activated_fw_pipe)) { |
| hdd_ipa_uc_handle_last_discon(hdd_ipa); |
| } |
| |
| qdf_mutex_release(&hdd_ipa->event_lock); |
| |
| if (hdd_ipa_uc_sta_is_enabled(hdd_ipa->hdd_ctx) && |
| hdd_ipa->sta_connected) |
| hdd_ipa_uc_offload_enable_disable( |
| hdd_get_adapter(hdd_ipa->hdd_ctx, |
| QDF_STA_MODE), |
| SIR_STA_RX_DATA_OFFLOAD, false); |
| } else { |
| qdf_mutex_release(&hdd_ipa->event_lock); |
| } |
| break; |
| |
| default: |
| return 0; |
| } |
| |
| meta.msg_len = sizeof(struct ipa_wlan_msg); |
| msg = qdf_mem_malloc(meta.msg_len); |
| if (msg == NULL) { |
| HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, "msg allocation failed"); |
| return -ENOMEM; |
| } |
| |
| meta.msg_type = type; |
| strlcpy(msg->name, adapter->dev->name, IPA_RESOURCE_NAME_MAX); |
| memcpy(msg->mac_addr, mac_addr, ETH_ALEN); |
| |
| HDD_IPA_LOG(QDF_TRACE_LEVEL_INFO, "%s: Evt: %d", |
| msg->name, meta.msg_type); |
| |
| ret = ipa_send_msg(&meta, msg, hdd_ipa_msg_free_fn); |
| |
| if (ret) { |
| hdd_err("%s: Evt: %d fail:%d", |
| msg->name, meta.msg_type, ret); |
| qdf_mem_free(msg); |
| return ret; |
| } |
| |
| hdd_ipa->stats.num_send_msg++; |
| |
| end: |
| return ret; |
| } |
| |
| /** |
| * hdd_ipa_wlan_evt() - SSR wrapper for __hdd_ipa_wlan_evt |
| * @adapter: adapter upon which the event was received |
| * @sta_id: station id for the event |
| * @hdd_event_type: event enum of type hdd_ipa_wlan_event |
| * @mac_address: MAC address associated with the event |
| * |
| * This function is meant to be called from outside of wlan_hdd_ipa.c. |
| * |
| * Return: 0 on success, negative errno value on error |
| */ |
| int hdd_ipa_wlan_evt(hdd_adapter_t *adapter, uint8_t sta_id, |
| enum hdd_ipa_wlan_event hdd_event_type, uint8_t *mac_addr) |
| { |
| enum ipa_wlan_event type = hdd_to_ipa_wlan_event(hdd_event_type); |
| int ret = 0; |
| |
| cds_ssr_protect(__func__); |
| |
| /* Data path offload only support for STA and SAP mode */ |
| if ((QDF_STA_MODE == adapter->device_mode) || |
| (QDF_SAP_MODE == adapter->device_mode)) |
| ret = __hdd_ipa_wlan_evt(adapter, sta_id, type, mac_addr); |
| |
| cds_ssr_unprotect(__func__); |
| |
| return ret; |
| } |
| |
| /** |
| * hdd_ipa_uc_proc_pending_event() - Process IPA uC pending events |
| * @hdd_ipa: Global HDD IPA context |
| * |
| * Return: None |
| */ |
| static void |
| hdd_ipa_uc_proc_pending_event(struct hdd_ipa_priv *hdd_ipa) |
| { |
| unsigned int pending_event_count; |
| struct ipa_uc_pending_event *pending_event = NULL; |
| |
| pending_event_count = qdf_list_size(&hdd_ipa->pending_event); |
| HDD_IPA_LOG(QDF_TRACE_LEVEL_INFO, |
| "%s, Pending Event Count %d", __func__, pending_event_count); |
| if (!pending_event_count) { |
| HDD_IPA_LOG(QDF_TRACE_LEVEL_INFO, |
| "%s, No Pending Event", __func__); |
| return; |
| } |
| |
| qdf_list_remove_front(&hdd_ipa->pending_event, |
| (qdf_list_node_t **)&pending_event); |
| while (pending_event != NULL) { |
| __hdd_ipa_wlan_evt(pending_event->adapter, |
| pending_event->type, |
| pending_event->sta_id, |
| pending_event->mac_addr); |
| qdf_mem_free(pending_event); |
| pending_event = NULL; |
| qdf_list_remove_front(&hdd_ipa->pending_event, |
| (qdf_list_node_t **)&pending_event); |
| } |
| } |
| |
| /** |
| * hdd_ipa_rm_state_to_str() - Convert IPA RM state to string |
| * @state: IPA RM state value |
| * |
| * Return: ASCII string representing the IPA RM state |
| */ |
| static inline char *hdd_ipa_rm_state_to_str(enum hdd_ipa_rm_state state) |
| { |
| switch (state) { |
| case HDD_IPA_RM_RELEASED: |
| return "RELEASED"; |
| case HDD_IPA_RM_GRANT_PENDING: |
| return "GRANT_PENDING"; |
| case HDD_IPA_RM_GRANTED: |
| return "GRANTED"; |
| } |
| |
| return "UNKNOWN"; |
| } |
| |
| /** |
| * __hdd_ipa_init() - IPA initialization function |
| * @hdd_ctx: HDD global context |
| * |
| * Allocate hdd_ipa resources, ipa pipe resource and register |
| * wlan interface with IPA module. |
| * |
| * Return: QDF_STATUS enumeration |
| */ |
| static QDF_STATUS __hdd_ipa_init(hdd_context_t *hdd_ctx) |
| { |
| struct hdd_ipa_priv *hdd_ipa = NULL; |
| int ret, i; |
| struct hdd_ipa_iface_context *iface_context = NULL; |
| struct ol_txrx_pdev_t *pdev = cds_get_context(QDF_MODULE_ID_TXRX); |
| |
| if (!hdd_ipa_is_enabled(hdd_ctx)) |
| return QDF_STATUS_SUCCESS; |
| |
| if (!pdev) { |
| HDD_IPA_LOG(QDF_TRACE_LEVEL_FATAL, "pdev is NULL"); |
| goto fail_return; |
| } |
| |
| hdd_ipa = qdf_mem_malloc(sizeof(*hdd_ipa)); |
| if (!hdd_ipa) { |
| HDD_IPA_LOG(QDF_TRACE_LEVEL_FATAL, "hdd_ipa allocation failed"); |
| goto fail_return; |
| } |
| |
| hdd_ctx->hdd_ipa = hdd_ipa; |
| ghdd_ipa = hdd_ipa; |
| hdd_ipa->hdd_ctx = hdd_ctx; |
| hdd_ipa->num_iface = 0; |
| cdp_ipa_get_resource(cds_get_context(QDF_MODULE_ID_SOC), |
| cds_get_context(QDF_MODULE_ID_TXRX), |
| &hdd_ipa->ipa_resource); |
| if ((0 == hdd_ipa->ipa_resource.ce_sr_base_paddr) || |
| (0 == hdd_ipa->ipa_resource.tx_comp_ring_base_paddr) || |
| (0 == hdd_ipa->ipa_resource.rx_rdy_ring_base_paddr) || |
| (0 == hdd_ipa->ipa_resource.rx2_rdy_ring_base_paddr)) { |
| HDD_IPA_LOG(QDF_TRACE_LEVEL_FATAL, |
| "IPA UC resource alloc fail"); |
| goto fail_get_resource; |
| } |
| |
| /* Create the interface context */ |
| for (i = 0; i < HDD_IPA_MAX_IFACE; i++) { |
| iface_context = &hdd_ipa->iface_context[i]; |
| iface_context->hdd_ipa = hdd_ipa; |
| iface_context->cons_client = |
| hdd_ipa_adapter_2_client[i].cons_client; |
| iface_context->prod_client = |
| hdd_ipa_adapter_2_client[i].prod_client; |
| iface_context->iface_id = i; |
| iface_context->adapter = NULL; |
| qdf_spinlock_create(&iface_context->interface_lock); |
| } |
| for (i = 0; i < CSR_ROAM_SESSION_MAX; i++) { |
| hdd_ipa->vdev_to_iface[i] = CSR_ROAM_SESSION_MAX; |
| hdd_ipa->vdev_offload_enabled[i] = false; |
| } |
| |
| INIT_WORK(&hdd_ipa->pm_work, hdd_ipa_pm_flush); |
| qdf_spinlock_create(&hdd_ipa->pm_lock); |
| qdf_nbuf_queue_init(&hdd_ipa->pm_queue_head); |
| |
| ret = hdd_ipa_setup_rm(hdd_ipa); |
| if (ret) |
| goto fail_setup_rm; |
| |
| if (hdd_ipa_uc_is_enabled(hdd_ipa->hdd_ctx)) { |
| hdd_ipa_uc_rt_debug_init(hdd_ctx); |
| qdf_mem_zero(&hdd_ipa->stats, sizeof(hdd_ipa->stats)); |
| hdd_ipa->sap_num_connected_sta = 0; |
| hdd_ipa->ipa_tx_packets_diff = 0; |
| hdd_ipa->ipa_rx_packets_diff = 0; |
| hdd_ipa->ipa_p_tx_packets = 0; |
| hdd_ipa->ipa_p_rx_packets = 0; |
| hdd_ipa->resource_loading = false; |
| hdd_ipa->resource_unloading = false; |
| hdd_ipa->sta_connected = 0; |
| hdd_ipa->ipa_pipes_down = true; |
| /* Setup IPA sys_pipe for MCC */ |
| if (hdd_ipa_uc_sta_is_enabled(hdd_ipa->hdd_ctx)) { |
| ret = hdd_ipa_setup_sys_pipe(hdd_ipa); |
| if (ret) |
| goto fail_create_sys_pipe; |
| } |
| hdd_ipa_uc_ol_init(hdd_ctx); |
| } else { |
| ret = hdd_ipa_setup_sys_pipe(hdd_ipa); |
| if (ret) |
| goto fail_create_sys_pipe; |
| } |
| |
| return QDF_STATUS_SUCCESS; |
| |
| fail_create_sys_pipe: |
| hdd_ipa_destroy_rm_resource(hdd_ipa); |
| fail_setup_rm: |
| qdf_spinlock_destroy(&hdd_ipa->pm_lock); |
| fail_get_resource: |
| qdf_mem_free(hdd_ipa); |
| hdd_ctx->hdd_ipa = NULL; |
| ghdd_ipa = NULL; |
| fail_return: |
| return QDF_STATUS_E_FAILURE; |
| } |
| |
| /** |
| * hdd_ipa_init() - SSR wrapper for __hdd_ipa_init |
| * @hdd_ctx: HDD global context |
| * |
| * Allocate hdd_ipa resources, ipa pipe resource and register |
| * wlan interface with IPA module. |
| * |
| * Return: QDF_STATUS enumeration |
| */ |
| QDF_STATUS hdd_ipa_init(hdd_context_t *hdd_ctx) |
| { |
| QDF_STATUS ret; |
| |
| cds_ssr_protect(__func__); |
| ret = __hdd_ipa_init(hdd_ctx); |
| cds_ssr_unprotect(__func__); |
| |
| return ret; |
| } |
| |
| /** |
| * hdd_ipa_cleanup_pending_event() - Cleanup IPA pending event list |
| * @hdd_ipa: pointer to HDD IPA struct |
| * |
| * Return: none |
| */ |
| static void hdd_ipa_cleanup_pending_event(struct hdd_ipa_priv *hdd_ipa) |
| { |
| struct ipa_uc_pending_event *pending_event = NULL; |
| |
| while (qdf_list_remove_front(&hdd_ipa->pending_event, |
| (qdf_list_node_t **)&pending_event) == QDF_STATUS_SUCCESS) { |
| qdf_mem_free(pending_event); |
| } |
| |
| qdf_list_destroy(&hdd_ipa->pending_event); |
| } |
| |
| /** |
| * __hdd_ipa_cleanup - IPA cleanup function |
| * @hdd_ctx: HDD global context |
| * |
| * Return: QDF_STATUS enumeration |
| */ |
| static QDF_STATUS __hdd_ipa_cleanup(hdd_context_t *hdd_ctx) |
| { |
| struct hdd_ipa_priv *hdd_ipa = hdd_ctx->hdd_ipa; |
| int i; |
| struct hdd_ipa_iface_context *iface_context = NULL; |
| qdf_nbuf_t skb; |
| struct hdd_ipa_pm_tx_cb *pm_tx_cb = NULL; |
| |
| if (!hdd_ipa_is_enabled(hdd_ctx)) |
| return QDF_STATUS_SUCCESS; |
| |
| if (!hdd_ipa_uc_is_enabled(hdd_ctx)) { |
| unregister_inetaddr_notifier(&hdd_ipa->ipv4_notifier); |
| hdd_ipa_teardown_sys_pipe(hdd_ipa); |
| } |
| |
| /* Teardown IPA sys_pipe for MCC */ |
| if (hdd_ipa_uc_sta_is_enabled(hdd_ipa->hdd_ctx)) |
| hdd_ipa_teardown_sys_pipe(hdd_ipa); |
| |
| hdd_ipa_destroy_rm_resource(hdd_ipa); |
| |
| #ifdef WLAN_OPEN_SOURCE |
| cancel_work_sync(&hdd_ipa->pm_work); |
| #endif |
| |
| qdf_spin_lock_bh(&hdd_ipa->pm_lock); |
| |
| while (((skb = qdf_nbuf_queue_remove(&hdd_ipa->pm_queue_head)) |
| != NULL)) { |
| qdf_spin_unlock_bh(&hdd_ipa->pm_lock); |
| |
| pm_tx_cb = (struct hdd_ipa_pm_tx_cb *)skb->cb; |
| ipa_free_skb(pm_tx_cb->ipa_tx_desc); |
| |
| qdf_spin_lock_bh(&hdd_ipa->pm_lock); |
| } |
| qdf_spin_unlock_bh(&hdd_ipa->pm_lock); |
| |
| qdf_spinlock_destroy(&hdd_ipa->pm_lock); |
| |
| /* destory the interface lock */ |
| for (i = 0; i < HDD_IPA_MAX_IFACE; i++) { |
| iface_context = &hdd_ipa->iface_context[i]; |
| qdf_spinlock_destroy(&iface_context->interface_lock); |
| } |
| |
| /* This should never hit but still make sure that there are no pending |
| * descriptor in IPA hardware |
| */ |
| if (hdd_ipa->pending_hw_desc_cnt != 0) { |
| HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, |
| "IPA Pending write done: %d Waiting!", |
| hdd_ipa->pending_hw_desc_cnt); |
| |
| for (i = 0; hdd_ipa->pending_hw_desc_cnt != 0 && i < 10; i++) { |
| usleep_range(100, 100); |
| } |
| |
| HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, |
| "IPA Pending write done: desc: %d %s(%d)!", |
| hdd_ipa->pending_hw_desc_cnt, |
| hdd_ipa->pending_hw_desc_cnt == 0 ? "completed" |
| : "leak", i); |
| } |
| if (hdd_ipa_uc_is_enabled(hdd_ctx)) { |
| hdd_ipa_uc_rt_debug_deinit(hdd_ctx); |
| HDD_IPA_LOG(QDF_TRACE_LEVEL_INFO, |
| "%s: Disconnect TX PIPE tx_pipe_handle=0x%x", |
| __func__, hdd_ipa->tx_pipe_handle); |
| ipa_disconnect_wdi_pipe(hdd_ipa->tx_pipe_handle); |
| HDD_IPA_LOG(QDF_TRACE_LEVEL_INFO, |
| "%s: Disconnect RX PIPE rx_pipe_handle=0x%x", |
| __func__, hdd_ipa->rx_pipe_handle); |
| ipa_disconnect_wdi_pipe(hdd_ipa->rx_pipe_handle); |
| qdf_mutex_destroy(&hdd_ipa->event_lock); |
| qdf_mutex_destroy(&hdd_ipa->ipa_lock); |
| hdd_ipa_cleanup_pending_event(hdd_ipa); |
| |
| #ifdef WLAN_OPEN_SOURCE |
| for (i = 0; i < HDD_IPA_UC_OPCODE_MAX; i++) { |
| cancel_work_sync(&hdd_ipa->uc_op_work[i].work); |
| hdd_ipa->uc_op_work[i].msg = NULL; |
| } |
| #endif |
| } |
| |
| qdf_mem_free(hdd_ipa); |
| hdd_ctx->hdd_ipa = NULL; |
| |
| return QDF_STATUS_SUCCESS; |
| } |
| |
| /** |
| * hdd_ipa_cleanup - SSR wrapper for __hdd_ipa_cleanup |
| * @hdd_ctx: HDD global context |
| * |
| * Return: QDF_STATUS enumeration |
| */ |
| QDF_STATUS hdd_ipa_cleanup(hdd_context_t *hdd_ctx) |
| { |
| QDF_STATUS ret; |
| |
| cds_ssr_protect(__func__); |
| ret = __hdd_ipa_cleanup(hdd_ctx); |
| cds_ssr_unprotect(__func__); |
| |
| return ret; |
| } |
| #endif /* IPA_OFFLOAD */ |