11 #include "iwl-trans.h"
23 	struct iwl_trans *trans;  in iwl_trans_alloc()  local
28 	trans = devm_kzalloc(dev, sizeof(*trans) + priv_size, GFP_KERNEL);  in iwl_trans_alloc()
29 	if (!trans)  in iwl_trans_alloc()
32 	trans->trans_cfg = cfg_trans;  in iwl_trans_alloc()
35 	lockdep_init_map(&trans->sync_cmd_lockdep_map, "sync_cmd_lockdep_map",  in iwl_trans_alloc()
39 	trans->dev = dev;  in iwl_trans_alloc()
40 	trans->ops = ops;  in iwl_trans_alloc()
41 	trans->num_rx_queues = 1;  in iwl_trans_alloc()
45 	if (trans->trans_cfg->gen2) {  in iwl_trans_alloc()
46 		trans->txqs.tfd.addr_size = 64;  in iwl_trans_alloc()
47 		trans->txqs.tfd.max_tbs = IWL_TFH_NUM_TBS;  in iwl_trans_alloc()
48 		trans->txqs.tfd.size = sizeof(struct iwl_tfh_tfd);  in iwl_trans_alloc()
50 		trans->txqs.tfd.addr_size = 36;  in iwl_trans_alloc()
51 		trans->txqs.tfd.max_tbs = IWL_NUM_OF_TBS;  in iwl_trans_alloc()
52 		trans->txqs.tfd.size = sizeof(struct iwl_tfd);  in iwl_trans_alloc()
54 	trans->max_skb_frags = IWL_TRANS_MAX_FRAGS(trans);  in iwl_trans_alloc()
56 	return trans;  in iwl_trans_alloc()
59 int iwl_trans_init(struct iwl_trans *trans)  in iwl_trans_init()  argument
63 	if (!trans->trans_cfg->gen2) {  in iwl_trans_init()
66 	} else if (trans->trans_cfg->device_family < IWL_DEVICE_FAMILY_AX210) {  in iwl_trans_init()
78 	if (WARN_ON(trans->trans_cfg->gen2 && txcmd_size >= txcmd_align))  in iwl_trans_init()
81 	if (trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_BZ)  in iwl_trans_init()
82 		trans->txqs.bc_tbl_size =  in iwl_trans_init()
84 	else if (trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_AX210)  in iwl_trans_init()
85 		trans->txqs.bc_tbl_size =  in iwl_trans_init()
88 		trans->txqs.bc_tbl_size = sizeof(struct iwlagn_scd_bc_tbl);  in iwl_trans_init()
94 	if (trans->trans_cfg->gen2) {  in iwl_trans_init()
95 		trans->txqs.bc_pool = dmam_pool_create("iwlwifi:bc", trans->dev,  in iwl_trans_init()
96 						       trans->txqs.bc_tbl_size,  in iwl_trans_init()
98 		if (!trans->txqs.bc_pool)  in iwl_trans_init()
103 	WARN_ON(trans->txqs.tfd.addr_size !=  in iwl_trans_init()
104 		(trans->trans_cfg->gen2 ? 64 : 36));  in iwl_trans_init()
106 	snprintf(trans->dev_cmd_pool_name, sizeof(trans->dev_cmd_pool_name),  in iwl_trans_init()
107 		 "iwl_cmd_pool:%s", dev_name(trans->dev));  in iwl_trans_init()
108 	trans->dev_cmd_pool =  in iwl_trans_init()
109 		kmem_cache_create(trans->dev_cmd_pool_name,  in iwl_trans_init()
112 	if (!trans->dev_cmd_pool)  in iwl_trans_init()
115 	trans->txqs.tso_hdr_page = alloc_percpu(struct iwl_tso_hdr_page);  in iwl_trans_init()
116 	if (!trans->txqs.tso_hdr_page) {  in iwl_trans_init()
117 		kmem_cache_destroy(trans->dev_cmd_pool);  in iwl_trans_init()
122 	init_waitqueue_head(&trans->wait_command_queue);  in iwl_trans_init()
127 void iwl_trans_free(struct iwl_trans *trans)  in iwl_trans_free()  argument
131 	if (trans->txqs.tso_hdr_page) {  in iwl_trans_free()
134 				per_cpu_ptr(trans->txqs.tso_hdr_page, i);  in iwl_trans_free()
140 		free_percpu(trans->txqs.tso_hdr_page);  in iwl_trans_free()
143 	kmem_cache_destroy(trans->dev_cmd_pool);  in iwl_trans_free()
146 int iwl_trans_send_cmd(struct iwl_trans *trans, struct iwl_host_cmd *cmd)  in iwl_trans_send_cmd()  argument
151 		     test_bit(STATUS_RFKILL_OPMODE, &trans->status)))  in iwl_trans_send_cmd()
163 	if (unlikely(trans->system_pm_mode == IWL_PLAT_PM_MODE_D3 &&  in iwl_trans_send_cmd()
167 	if (unlikely(test_bit(STATUS_FW_ERROR, &trans->status)))  in iwl_trans_send_cmd()
170 	if (unlikely(trans->state != IWL_TRANS_FW_ALIVE)) {  in iwl_trans_send_cmd()
171 		IWL_ERR(trans, "%s bad state = %d\n", __func__, trans->state);  in iwl_trans_send_cmd()
180 		lock_map_acquire_read(&trans->sync_cmd_lockdep_map);  in iwl_trans_send_cmd()
182 	if (trans->wide_cmd_header && !iwl_cmd_groupid(cmd->id)) {  in iwl_trans_send_cmd()
187 	ret = iwl_trans_txq_send_hcmd(trans, cmd);  in iwl_trans_send_cmd()
190 		lock_map_release(&trans->sync_cmd_lockdep_map);  in iwl_trans_send_cmd()
216 const char *iwl_get_cmd_string(struct iwl_trans *trans, u32 id)  in iwl_get_cmd_string()  argument
226 	if (!trans->command_groups || grp >= trans->command_groups_size ||  in iwl_get_cmd_string()
227 	    !trans->command_groups[grp].arr)  in iwl_get_cmd_string()
230 	arr = &trans->command_groups[grp];  in iwl_get_cmd_string()
238 int iwl_cmd_groups_verify_sorted(const struct iwl_trans_config *trans)  in iwl_cmd_groups_verify_sorted()  argument
243 	for (i = 0; i < trans->command_groups_size; i++) {  in iwl_cmd_groups_verify_sorted()
244 		arr = &trans->command_groups[i];  in iwl_cmd_groups_verify_sorted()