18 	struct snic_trc *trc = &snic_glob->trc;  in snic_get_trc_buf()  local
22 	spin_lock_irqsave(&trc->lock, flags);  in snic_get_trc_buf()
23 	td = &trc->buf[trc->wr_idx];  in snic_get_trc_buf()
24 	trc->wr_idx++;  in snic_get_trc_buf()
26 	if (trc->wr_idx == trc->max_idx)  in snic_get_trc_buf()
27 		trc->wr_idx = 0;  in snic_get_trc_buf()
29 	if (trc->wr_idx != trc->rd_idx) {  in snic_get_trc_buf()
30 		spin_unlock_irqrestore(&trc->lock, flags);  in snic_get_trc_buf()
35 	trc->rd_idx++;  in snic_get_trc_buf()
36 	if (trc->rd_idx == trc->max_idx)  in snic_get_trc_buf()
37 		trc->rd_idx = 0;  in snic_get_trc_buf()
40 	spin_unlock_irqrestore(&trc->lock, flags);  in snic_get_trc_buf()
78 	struct snic_trc *trc = &snic_glob->trc;  in snic_get_trc_data()  local
81 	spin_lock_irqsave(&trc->lock, flags);  in snic_get_trc_data()
82 	if (trc->rd_idx == trc->wr_idx) {  in snic_get_trc_data()
83 		spin_unlock_irqrestore(&trc->lock, flags);  in snic_get_trc_data()
87 	td = &trc->buf[trc->rd_idx];  in snic_get_trc_data()
91 		spin_unlock_irqrestore(&trc->lock, flags);  in snic_get_trc_data()
96 	trc->rd_idx++;  in snic_get_trc_data()
97 	if (trc->rd_idx == trc->max_idx)  in snic_get_trc_data()
98 		trc->rd_idx = 0;  in snic_get_trc_data()
99 	spin_unlock_irqrestore(&trc->lock, flags);  in snic_get_trc_data()
110 	struct snic_trc *trc = &snic_glob->trc;  in snic_trc_init()  local
124 	trc->buf = (struct snic_trc_data *) tbuf;  in snic_trc_init()
125 	spin_lock_init(&trc->lock);  in snic_trc_init()
129 	trc->max_idx = (tbuf_sz / SNIC_TRC_ENTRY_SZ);  in snic_trc_init()
130 	trc->rd_idx = trc->wr_idx = 0;  in snic_trc_init()
131 	trc->enable = true;  in snic_trc_init()
145 	struct snic_trc *trc = &snic_glob->trc;  in snic_trc_free()  local
147 	trc->enable = false;  in snic_trc_free()
150 	if (trc->buf) {  in snic_trc_free()
151 		vfree(trc->buf);  in snic_trc_free()
152 		trc->buf = NULL;  in snic_trc_free()