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path: root/drivers/net/wireless/ath/ath12k/qmi.c
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Diffstat (limited to 'drivers/net/wireless/ath/ath12k/qmi.c')
-rw-r--r--drivers/net/wireless/ath/ath12k/qmi.c109
1 files changed, 85 insertions, 24 deletions
diff --git a/drivers/net/wireless/ath/ath12k/qmi.c b/drivers/net/wireless/ath/ath12k/qmi.c
index 92845ffff44a..5484112859a6 100644
--- a/drivers/net/wireless/ath/ath12k/qmi.c
+++ b/drivers/net/wireless/ath/ath12k/qmi.c
@@ -583,6 +583,24 @@ static const struct qmi_elem_info qmi_wlanfw_phy_cap_resp_msg_v01_ei[] = {
board_id),
},
{
+ .data_type = QMI_OPT_FLAG,
+ .elem_len = 1,
+ .elem_size = sizeof(u8),
+ .array_type = NO_ARRAY,
+ .tlv_type = 0x13,
+ .offset = offsetof(struct qmi_wlanfw_phy_cap_resp_msg_v01,
+ single_chip_mlo_support_valid),
+ },
+ {
+ .data_type = QMI_UNSIGNED_1_BYTE,
+ .elem_len = 1,
+ .elem_size = sizeof(u8),
+ .array_type = NO_ARRAY,
+ .tlv_type = 0x13,
+ .offset = offsetof(struct qmi_wlanfw_phy_cap_resp_msg_v01,
+ single_chip_mlo_support),
+ },
+ {
.data_type = QMI_EOTI,
.array_type = NO_ARRAY,
.tlv_type = QMI_COMMON_TLV_TYPE,
@@ -2005,7 +2023,15 @@ static void ath12k_host_cap_parse_mlo(struct ath12k_base *ab,
u8 hw_link_id = 0;
int i;
+ if (!(ab->mlo_capable_flags & ATH12K_INTRA_DEVICE_MLO_SUPPORT)) {
+ ath12k_dbg(ab, ATH12K_DBG_QMI,
+ "intra device MLO is disabled hence skip QMI MLO cap");
+ return;
+ }
+
if (!ab->qmi.num_radios || ab->qmi.num_radios == U8_MAX) {
+ ab->mlo_capable_flags = 0;
+
ath12k_dbg(ab, ATH12K_DBG_QMI,
"skip QMI MLO cap due to invalid num_radio %d\n",
ab->qmi.num_radios);
@@ -2124,9 +2150,6 @@ static void ath12k_qmi_phy_cap_send(struct ath12k_base *ab)
struct qmi_txn txn;
int ret;
- if (!ab->slo_capable)
- goto out;
-
ret = qmi_txn_init(&ab->qmi.handle, &txn,
qmi_wlanfw_phy_cap_resp_msg_v01_ei, &resp);
if (ret < 0)
@@ -2151,6 +2174,13 @@ static void ath12k_qmi_phy_cap_send(struct ath12k_base *ab)
goto out;
}
+ if (resp.single_chip_mlo_support_valid) {
+ if (resp.single_chip_mlo_support)
+ ab->mlo_capable_flags |= ATH12K_INTRA_DEVICE_MLO_SUPPORT;
+ else
+ ab->mlo_capable_flags &= ~ATH12K_INTRA_DEVICE_MLO_SUPPORT;
+ }
+
if (!resp.num_phy_valid) {
ret = -ENODATA;
goto out;
@@ -2158,9 +2188,11 @@ static void ath12k_qmi_phy_cap_send(struct ath12k_base *ab)
ab->qmi.num_radios = resp.num_phy;
- ath12k_dbg(ab, ATH12K_DBG_QMI, "phy capability resp valid %d num_phy %d valid %d board_id %d\n",
+ ath12k_dbg(ab, ATH12K_DBG_QMI,
+ "phy capability resp valid %d num_phy %d valid %d board_id %d valid %d single_chip_mlo_support %d\n",
resp.num_phy_valid, resp.num_phy,
- resp.board_id_valid, resp.board_id);
+ resp.board_id_valid, resp.board_id,
+ resp.single_chip_mlo_support_valid, resp.single_chip_mlo_support);
return;
@@ -2325,8 +2357,9 @@ static void ath12k_qmi_free_target_mem_chunk(struct ath12k_base *ab)
for (i = 0; i < ab->qmi.mem_seg_count; i++) {
if (!ab->qmi.target_mem[i].v.addr)
continue;
+
dma_free_coherent(ab->dev,
- ab->qmi.target_mem[i].size,
+ ab->qmi.target_mem[i].prev_size,
ab->qmi.target_mem[i].v.addr,
ab->qmi.target_mem[i].paddr);
ab->qmi.target_mem[i].v.addr = NULL;
@@ -2352,6 +2385,20 @@ static int ath12k_qmi_alloc_target_mem_chunk(struct ath12k_base *ab)
case M3_DUMP_REGION_TYPE:
case PAGEABLE_MEM_REGION_TYPE:
case CALDB_MEM_REGION_TYPE:
+ /* Firmware reloads in recovery/resume.
+ * In such cases, no need to allocate memory for FW again.
+ */
+ if (chunk->v.addr) {
+ if (chunk->prev_type == chunk->type &&
+ chunk->prev_size == chunk->size)
+ goto this_chunk_done;
+
+ /* cannot reuse the existing chunk */
+ dma_free_coherent(ab->dev, chunk->prev_size,
+ chunk->v.addr, chunk->paddr);
+ chunk->v.addr = NULL;
+ }
+
chunk->v.addr = dma_alloc_coherent(ab->dev,
chunk->size,
&chunk->paddr,
@@ -2370,6 +2417,10 @@ static int ath12k_qmi_alloc_target_mem_chunk(struct ath12k_base *ab)
chunk->type, chunk->size);
return -ENOMEM;
}
+
+ chunk->prev_type = chunk->type;
+ chunk->prev_size = chunk->size;
+this_chunk_done:
break;
default:
ath12k_warn(ab, "memory type %u not supported\n",
@@ -2666,6 +2717,19 @@ out:
return ret;
}
+static void ath12k_qmi_m3_free(struct ath12k_base *ab)
+{
+ struct m3_mem_region *m3_mem = &ab->qmi.m3_mem;
+
+ if (!m3_mem->vaddr)
+ return;
+
+ dma_free_coherent(ab->dev, m3_mem->size,
+ m3_mem->vaddr, m3_mem->paddr);
+ m3_mem->vaddr = NULL;
+ m3_mem->size = 0;
+}
+
static int ath12k_qmi_m3_load(struct ath12k_base *ab)
{
struct m3_mem_region *m3_mem = &ab->qmi.m3_mem;
@@ -2675,10 +2739,6 @@ static int ath12k_qmi_m3_load(struct ath12k_base *ab)
size_t m3_len;
int ret;
- if (m3_mem->vaddr)
- /* m3 firmware buffer is already available in the DMA buffer */
- return 0;
-
if (ab->fw.m3_data && ab->fw.m3_len > 0) {
/* firmware-N.bin had a m3 firmware file so use that */
m3_data = ab->fw.m3_data;
@@ -2700,6 +2760,15 @@ static int ath12k_qmi_m3_load(struct ath12k_base *ab)
m3_len = fw->size;
}
+ /* In recovery/resume cases, M3 buffer is not freed, try to reuse that */
+ if (m3_mem->vaddr) {
+ if (m3_mem->size >= m3_len)
+ goto skip_m3_alloc;
+
+ /* Old buffer is too small, free and reallocate */
+ ath12k_qmi_m3_free(ab);
+ }
+
m3_mem->vaddr = dma_alloc_coherent(ab->dev,
m3_len, &m3_mem->paddr,
GFP_KERNEL);
@@ -2710,6 +2779,7 @@ static int ath12k_qmi_m3_load(struct ath12k_base *ab)
goto out;
}
+skip_m3_alloc:
memcpy(m3_mem->vaddr, m3_data, m3_len);
m3_mem->size = m3_len;
@@ -2721,19 +2791,6 @@ out:
return ret;
}
-static void ath12k_qmi_m3_free(struct ath12k_base *ab)
-{
- struct m3_mem_region *m3_mem = &ab->qmi.m3_mem;
-
- if (!m3_mem->vaddr)
- return;
-
- dma_free_coherent(ab->dev, m3_mem->size,
- m3_mem->vaddr, m3_mem->paddr);
- m3_mem->vaddr = NULL;
- m3_mem->size = 0;
-}
-
static int ath12k_qmi_wlanfw_m3_info_send(struct ath12k_base *ab)
{
struct m3_mem_region *m3_mem = &ab->qmi.m3_mem;
@@ -3178,6 +3235,9 @@ static const struct qmi_msg_handler ath12k_qmi_msg_handlers[] = {
.decoded_size = sizeof(struct qmi_wlanfw_fw_ready_ind_msg_v01),
.fn = ath12k_qmi_msg_fw_ready_cb,
},
+
+ /* end of list */
+ {},
};
static int ath12k_qmi_ops_new_server(struct qmi_handle *qmi_hdl,
@@ -3261,7 +3321,8 @@ static void ath12k_qmi_driver_event_work(struct work_struct *work)
case ATH12K_QMI_EVENT_FW_READY:
clear_bit(ATH12K_FLAG_QMI_FAIL, &ab->dev_flags);
if (test_bit(ATH12K_FLAG_REGISTERED, &ab->dev_flags)) {
- ath12k_hal_dump_srng_stats(ab);
+ if (ab->is_reset)
+ ath12k_hal_dump_srng_stats(ab);
queue_work(ab->workqueue, &ab->restart_work);
break;
}
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