32 	struct snic_trc *trc = &snic_glob->trc;  in snic_get_trc_buf()  local
36 	spin_lock_irqsave(&trc->lock, flags);  in snic_get_trc_buf()
37 	td = &trc->buf[trc->wr_idx];  in snic_get_trc_buf()
38 	trc->wr_idx++;  in snic_get_trc_buf()
40 	if (trc->wr_idx == trc->max_idx)  in snic_get_trc_buf()
41 		trc->wr_idx = 0;  in snic_get_trc_buf()
43 	if (trc->wr_idx != trc->rd_idx) {  in snic_get_trc_buf()
44 		spin_unlock_irqrestore(&trc->lock, flags);  in snic_get_trc_buf()
49 	trc->rd_idx++;  in snic_get_trc_buf()
50 	if (trc->rd_idx == trc->max_idx)  in snic_get_trc_buf()
51 		trc->rd_idx = 0;  in snic_get_trc_buf()
54 	spin_unlock_irqrestore(&trc->lock, flags);  in snic_get_trc_buf()
92 	struct snic_trc *trc = &snic_glob->trc;  in snic_get_trc_data()  local
95 	spin_lock_irqsave(&trc->lock, flags);  in snic_get_trc_data()
96 	if (trc->rd_idx == trc->wr_idx) {  in snic_get_trc_data()
97 		spin_unlock_irqrestore(&trc->lock, flags);  in snic_get_trc_data()
101 	td = &trc->buf[trc->rd_idx];  in snic_get_trc_data()
105 		spin_unlock_irqrestore(&trc->lock, flags);  in snic_get_trc_data()
110 	trc->rd_idx++;  in snic_get_trc_data()
111 	if (trc->rd_idx == trc->max_idx)  in snic_get_trc_data()
112 		trc->rd_idx = 0;  in snic_get_trc_data()
113 	spin_unlock_irqrestore(&trc->lock, flags);  in snic_get_trc_data()
124 	struct snic_trc *trc = &snic_glob->trc;  in snic_trc_init()  local
138 	trc->buf = (struct snic_trc_data *) tbuf;  in snic_trc_init()
139 	spin_lock_init(&trc->lock);  in snic_trc_init()
143 	trc->max_idx = (tbuf_sz / SNIC_TRC_ENTRY_SZ);  in snic_trc_init()
144 	trc->rd_idx = trc->wr_idx = 0;  in snic_trc_init()
145 	trc->enable = true;  in snic_trc_init()
159 	struct snic_trc *trc = &snic_glob->trc;  in snic_trc_free()  local
161 	trc->enable = false;  in snic_trc_free()
164 	if (trc->buf) {  in snic_trc_free()
165 		vfree(trc->buf);  in snic_trc_free()
166 		trc->buf = NULL;  in snic_trc_free()