buffer->phys_addr = new_phys_addr;
out_post:
- rc = qed_ll2_post_rx_buffer(QED_LEADING_HWFN(cdev), cdev->ll2->handle,
- buffer->phys_addr, 0, buffer, 1);
-
+ rc = qed_ll2_post_rx_buffer(p_hwfn, cdev->ll2->handle,
+ buffer->phys_addr, 0, buffer, 1);
if (rc)
qed_ll2_dealloc_buffer(cdev, buffer);
}
return 0;
}
-static void qed_ll2_stop_ooo(struct qed_dev *cdev)
+static void qed_ll2_stop_ooo(struct qed_hwfn *p_hwfn)
{
- struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
- u8 *handle = &hwfn->pf_params.iscsi_pf_params.ll2_ooo_queue_id;
+ u8 *handle = &p_hwfn->pf_params.iscsi_pf_params.ll2_ooo_queue_id;
- DP_VERBOSE(cdev, QED_MSG_STORAGE, "Stopping LL2 OOO queue [%02x]\n",
- *handle);
+ DP_VERBOSE(p_hwfn, (QED_MSG_STORAGE | QED_MSG_LL2),
+ "Stopping LL2 OOO queue [%02x]\n", *handle);
- qed_ll2_terminate_connection(hwfn, *handle);
- qed_ll2_release_connection(hwfn, *handle);
+ qed_ll2_terminate_connection(p_hwfn, *handle);
+ qed_ll2_release_connection(p_hwfn, *handle);
*handle = QED_LL2_UNUSED_HANDLE;
}
TSTORM_LL2_PORT_STAT_OFFSET(MFW_PORT(p_hwfn)),
sizeof(port_stats));
- p_stats->gsi_invalid_hdr = HILO_64_REGPAIR(port_stats.gsi_invalid_hdr);
- p_stats->gsi_invalid_pkt_length =
+ p_stats->gsi_invalid_hdr += HILO_64_REGPAIR(port_stats.gsi_invalid_hdr);
+ p_stats->gsi_invalid_pkt_length +=
HILO_64_REGPAIR(port_stats.gsi_invalid_pkt_length);
- p_stats->gsi_unsupported_pkt_typ =
+ p_stats->gsi_unsupported_pkt_typ +=
HILO_64_REGPAIR(port_stats.gsi_unsupported_pkt_typ);
- p_stats->gsi_crcchksm_error =
+ p_stats->gsi_crcchksm_error +=
HILO_64_REGPAIR(port_stats.gsi_crcchksm_error);
}
CORE_LL2_TSTORM_PER_QUEUE_STAT_OFFSET(qid);
qed_memcpy_from(p_hwfn, p_ptt, &tstats, tstats_addr, sizeof(tstats));
- p_stats->packet_too_big_discard =
+ p_stats->packet_too_big_discard +=
HILO_64_REGPAIR(tstats.packet_too_big_discard);
- p_stats->no_buff_discard = HILO_64_REGPAIR(tstats.no_buff_discard);
+ p_stats->no_buff_discard += HILO_64_REGPAIR(tstats.no_buff_discard);
}
static void _qed_ll2_get_ustats(struct qed_hwfn *p_hwfn,
CORE_LL2_USTORM_PER_QUEUE_STAT_OFFSET(qid);
qed_memcpy_from(p_hwfn, p_ptt, &ustats, ustats_addr, sizeof(ustats));
- p_stats->rcv_ucast_bytes = HILO_64_REGPAIR(ustats.rcv_ucast_bytes);
- p_stats->rcv_mcast_bytes = HILO_64_REGPAIR(ustats.rcv_mcast_bytes);
- p_stats->rcv_bcast_bytes = HILO_64_REGPAIR(ustats.rcv_bcast_bytes);
- p_stats->rcv_ucast_pkts = HILO_64_REGPAIR(ustats.rcv_ucast_pkts);
- p_stats->rcv_mcast_pkts = HILO_64_REGPAIR(ustats.rcv_mcast_pkts);
- p_stats->rcv_bcast_pkts = HILO_64_REGPAIR(ustats.rcv_bcast_pkts);
+ p_stats->rcv_ucast_bytes += HILO_64_REGPAIR(ustats.rcv_ucast_bytes);
+ p_stats->rcv_mcast_bytes += HILO_64_REGPAIR(ustats.rcv_mcast_bytes);
+ p_stats->rcv_bcast_bytes += HILO_64_REGPAIR(ustats.rcv_bcast_bytes);
+ p_stats->rcv_ucast_pkts += HILO_64_REGPAIR(ustats.rcv_ucast_pkts);
+ p_stats->rcv_mcast_pkts += HILO_64_REGPAIR(ustats.rcv_mcast_pkts);
+ p_stats->rcv_bcast_pkts += HILO_64_REGPAIR(ustats.rcv_bcast_pkts);
}
static void _qed_ll2_get_pstats(struct qed_hwfn *p_hwfn,
CORE_LL2_PSTORM_PER_QUEUE_STAT_OFFSET(stats_id);
qed_memcpy_from(p_hwfn, p_ptt, &pstats, pstats_addr, sizeof(pstats));
- p_stats->sent_ucast_bytes = HILO_64_REGPAIR(pstats.sent_ucast_bytes);
- p_stats->sent_mcast_bytes = HILO_64_REGPAIR(pstats.sent_mcast_bytes);
- p_stats->sent_bcast_bytes = HILO_64_REGPAIR(pstats.sent_bcast_bytes);
- p_stats->sent_ucast_pkts = HILO_64_REGPAIR(pstats.sent_ucast_pkts);
- p_stats->sent_mcast_pkts = HILO_64_REGPAIR(pstats.sent_mcast_pkts);
- p_stats->sent_bcast_pkts = HILO_64_REGPAIR(pstats.sent_bcast_pkts);
+ p_stats->sent_ucast_bytes += HILO_64_REGPAIR(pstats.sent_ucast_bytes);
+ p_stats->sent_mcast_bytes += HILO_64_REGPAIR(pstats.sent_mcast_bytes);
+ p_stats->sent_bcast_bytes += HILO_64_REGPAIR(pstats.sent_bcast_bytes);
+ p_stats->sent_ucast_pkts += HILO_64_REGPAIR(pstats.sent_ucast_pkts);
+ p_stats->sent_mcast_pkts += HILO_64_REGPAIR(pstats.sent_mcast_pkts);
+ p_stats->sent_bcast_pkts += HILO_64_REGPAIR(pstats.sent_bcast_pkts);
}
-int qed_ll2_get_stats(void *cxt,
- u8 connection_handle, struct qed_ll2_stats *p_stats)
+int __qed_ll2_get_stats(void *cxt,
+ u8 connection_handle, struct qed_ll2_stats *p_stats)
{
struct qed_hwfn *p_hwfn = cxt;
struct qed_ll2_info *p_ll2_conn = NULL;
struct qed_ptt *p_ptt;
- memset(p_stats, 0, sizeof(*p_stats));
-
if ((connection_handle >= QED_MAX_NUM_OF_LL2_CONNECTIONS) ||
!p_hwfn->p_ll2_info)
return -EINVAL;
if (p_ll2_conn->input.gsi_enable)
_qed_ll2_get_port_stats(p_hwfn, p_ptt, p_stats);
+
_qed_ll2_get_tstats(p_hwfn, p_ptt, p_ll2_conn, p_stats);
+
_qed_ll2_get_ustats(p_hwfn, p_ptt, p_ll2_conn, p_stats);
+
if (p_ll2_conn->tx_stats_en)
_qed_ll2_get_pstats(p_hwfn, p_ptt, p_ll2_conn, p_stats);
qed_ptt_release(p_hwfn, p_ptt);
+
return 0;
}
+int qed_ll2_get_stats(void *cxt,
+ u8 connection_handle, struct qed_ll2_stats *p_stats)
+{
+ memset(p_stats, 0, sizeof(*p_stats));
+ return __qed_ll2_get_stats(cxt, connection_handle, p_stats);
+}
+
static void qed_ll2b_release_rx_packet(void *cxt,
u8 connection_handle,
void *cookie,
.tx_release_cb = &qed_ll2b_complete_tx_packet,
};
-static void qed_ll2_set_conn_data(struct qed_dev *cdev,
+static void qed_ll2_set_conn_data(struct qed_hwfn *p_hwfn,
struct qed_ll2_acquire_data *data,
struct qed_ll2_params *params,
enum qed_ll2_conn_type conn_type,
data->input.tx_num_desc = QED_LL2_TX_SIZE;
data->p_connection_handle = handle;
data->cbs = &ll2_cbs;
- ll2_cbs.cookie = QED_LEADING_HWFN(cdev);
+ ll2_cbs.cookie = p_hwfn;
if (lb) {
data->input.tx_tc = PKT_LB_TC;
}
}
-static int qed_ll2_start_ooo(struct qed_dev *cdev,
+static int qed_ll2_start_ooo(struct qed_hwfn *p_hwfn,
struct qed_ll2_params *params)
{
- struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
- u8 *handle = &hwfn->pf_params.iscsi_pf_params.ll2_ooo_queue_id;
+ u8 *handle = &p_hwfn->pf_params.iscsi_pf_params.ll2_ooo_queue_id;
struct qed_ll2_acquire_data data;
int rc;
- qed_ll2_set_conn_data(cdev, &data, params,
+ qed_ll2_set_conn_data(p_hwfn, &data, params,
QED_LL2_TYPE_OOO, handle, true);
- rc = qed_ll2_acquire_connection(hwfn, &data);
+ rc = qed_ll2_acquire_connection(p_hwfn, &data);
if (rc) {
- DP_INFO(cdev, "Failed to acquire LL2 OOO connection\n");
+ DP_INFO(p_hwfn, "Failed to acquire LL2 OOO connection\n");
goto out;
}
- rc = qed_ll2_establish_connection(hwfn, *handle);
+ rc = qed_ll2_establish_connection(p_hwfn, *handle);
if (rc) {
- DP_INFO(cdev, "Failed to establist LL2 OOO connection\n");
+ DP_INFO(p_hwfn, "Failed to establish LL2 OOO connection\n");
goto fail;
}
return 0;
fail:
- qed_ll2_release_connection(hwfn, *handle);
+ qed_ll2_release_connection(p_hwfn, *handle);
out:
*handle = QED_LL2_UNUSED_HANDLE;
return rc;
}
-static int qed_ll2_start(struct qed_dev *cdev, struct qed_ll2_params *params)
+static bool qed_ll2_is_storage_eng1(struct qed_dev *cdev)
{
- struct qed_ll2_buffer *buffer, *tmp_buffer;
- enum qed_ll2_conn_type conn_type;
- struct qed_ll2_acquire_data data;
- struct qed_ptt *p_ptt;
- int rc, i;
+ return (QED_IS_FCOE_PERSONALITY(QED_LEADING_HWFN(cdev)) ||
+ QED_IS_ISCSI_PERSONALITY(QED_LEADING_HWFN(cdev))) &&
+ (QED_AFFIN_HWFN(cdev) != QED_LEADING_HWFN(cdev));
+}
+static int __qed_ll2_stop(struct qed_hwfn *p_hwfn)
+{
+ struct qed_dev *cdev = p_hwfn->cdev;
+ int rc;
- /* Initialize LL2 locks & lists */
- INIT_LIST_HEAD(&cdev->ll2->list);
- spin_lock_init(&cdev->ll2->lock);
- cdev->ll2->rx_size = NET_SKB_PAD + ETH_HLEN +
- L1_CACHE_BYTES + params->mtu;
+ rc = qed_ll2_terminate_connection(p_hwfn, cdev->ll2->handle);
+ if (rc)
+ DP_INFO(cdev, "Failed to terminate LL2 connection\n");
- /*Allocate memory for LL2 */
- DP_INFO(cdev, "Allocating LL2 buffers of size %08x bytes\n",
- cdev->ll2->rx_size);
- for (i = 0; i < QED_LL2_RX_SIZE; i++) {
- buffer = kzalloc(sizeof(*buffer), GFP_KERNEL);
- if (!buffer) {
- DP_INFO(cdev, "Failed to allocate LL2 buffers\n");
- goto fail;
- }
+ qed_ll2_release_connection(p_hwfn, cdev->ll2->handle);
- rc = qed_ll2_alloc_buffer(cdev, (u8 **)&buffer->data,
- &buffer->phys_addr);
- if (rc) {
- kfree(buffer);
- goto fail;
- }
+ return rc;
+}
- list_add_tail(&buffer->list, &cdev->ll2->list);
+static int qed_ll2_stop(struct qed_dev *cdev)
+{
+ bool b_is_storage_eng1 = qed_ll2_is_storage_eng1(cdev);
+ struct qed_hwfn *p_hwfn = QED_AFFIN_HWFN(cdev);
+ int rc = 0, rc2 = 0;
+
+ if (cdev->ll2->handle == QED_LL2_UNUSED_HANDLE)
+ return 0;
+
+ qed_llh_remove_mac_filter(cdev, 0, cdev->ll2_mac_address);
+ eth_zero_addr(cdev->ll2_mac_address);
+
+ if (QED_IS_ISCSI_PERSONALITY(p_hwfn))
+ qed_ll2_stop_ooo(p_hwfn);
+
+ /* In CMT mode, LL2 is always started on engine 0 for a storage PF */
+ if (b_is_storage_eng1) {
+ rc2 = __qed_ll2_stop(QED_LEADING_HWFN(cdev));
+ if (rc2)
+ DP_NOTICE(QED_LEADING_HWFN(cdev),
+ "Failed to stop LL2 on engine 0\n");
}
- switch (QED_LEADING_HWFN(cdev)->hw_info.personality) {
+ rc = __qed_ll2_stop(p_hwfn);
+ if (rc)
+ DP_NOTICE(p_hwfn, "Failed to stop LL2\n");
+
+ qed_ll2_kill_buffers(cdev);
+
+ cdev->ll2->handle = QED_LL2_UNUSED_HANDLE;
+
+ return rc | rc2;
+}
+
+static int __qed_ll2_start(struct qed_hwfn *p_hwfn,
+ struct qed_ll2_params *params)
+{
+ struct qed_ll2_buffer *buffer, *tmp_buffer;
+ struct qed_dev *cdev = p_hwfn->cdev;
+ enum qed_ll2_conn_type conn_type;
+ struct qed_ll2_acquire_data data;
+ int rc, rx_cnt;
+
+ switch (p_hwfn->hw_info.personality) {
case QED_PCI_FCOE:
conn_type = QED_LL2_TYPE_FCOE;
break;
conn_type = QED_LL2_TYPE_ROCE;
break;
default:
+
conn_type = QED_LL2_TYPE_TEST;
}
- qed_ll2_set_conn_data(cdev, &data, params, conn_type,
+ qed_ll2_set_conn_data(p_hwfn, &data, params, conn_type,
&cdev->ll2->handle, false);
- rc = qed_ll2_acquire_connection(QED_LEADING_HWFN(cdev), &data);
+ rc = qed_ll2_acquire_connection(p_hwfn, &data);
if (rc) {
- DP_INFO(cdev, "Failed to acquire LL2 connection\n");
- goto fail;
+ DP_INFO(p_hwfn, "Failed to acquire LL2 connection\n");
+ return rc;
}
- rc = qed_ll2_establish_connection(QED_LEADING_HWFN(cdev),
- cdev->ll2->handle);
+ rc = qed_ll2_establish_connection(p_hwfn, cdev->ll2->handle);
if (rc) {
- DP_INFO(cdev, "Failed to establish LL2 connection\n");
- goto release_fail;
+ DP_INFO(p_hwfn, "Failed to establish LL2 connection\n");
+ goto release_conn;
}
/* Post all Rx buffers to FW */
spin_lock_bh(&cdev->ll2->lock);
+ rx_cnt = cdev->ll2->rx_cnt;
list_for_each_entry_safe(buffer, tmp_buffer, &cdev->ll2->list, list) {
- rc = qed_ll2_post_rx_buffer(QED_LEADING_HWFN(cdev),
+ rc = qed_ll2_post_rx_buffer(p_hwfn,
cdev->ll2->handle,
buffer->phys_addr, 0, buffer, 1);
if (rc) {
- DP_INFO(cdev,
+ DP_INFO(p_hwfn,
"Failed to post an Rx buffer; Deleting it\n");
dma_unmap_single(&cdev->pdev->dev, buffer->phys_addr,
cdev->ll2->rx_size, DMA_FROM_DEVICE);
list_del(&buffer->list);
kfree(buffer);
} else {
- cdev->ll2->rx_cnt++;
+ rx_cnt++;
}
}
spin_unlock_bh(&cdev->ll2->lock);
- if (!cdev->ll2->rx_cnt) {
- DP_INFO(cdev, "Failed passing even a single Rx buffer\n");
- goto release_terminate;
+ if (rx_cnt == cdev->ll2->rx_cnt) {
+ DP_NOTICE(p_hwfn, "Failed passing even a single Rx buffer\n");
+ goto terminate_conn;
}
+ cdev->ll2->rx_cnt = rx_cnt;
+
+ return 0;
+
+terminate_conn:
+ qed_ll2_terminate_connection(p_hwfn, cdev->ll2->handle);
+release_conn:
+ qed_ll2_release_connection(p_hwfn, cdev->ll2->handle);
+ return rc;
+}
+
+static int qed_ll2_start(struct qed_dev *cdev, struct qed_ll2_params *params)
+{
+ bool b_is_storage_eng1 = qed_ll2_is_storage_eng1(cdev);
+ struct qed_hwfn *p_hwfn = QED_AFFIN_HWFN(cdev);
+ struct qed_ll2_buffer *buffer;
+ int rx_num_desc, i, rc;
if (!is_valid_ether_addr(params->ll2_mac_address)) {
- DP_INFO(cdev, "Invalid Ethernet address\n");
- goto release_terminate;
+ DP_NOTICE(cdev, "Invalid Ethernet address\n");
+ return -EINVAL;
}
- if (QED_LEADING_HWFN(cdev)->hw_info.personality == QED_PCI_ISCSI) {
- DP_VERBOSE(cdev, QED_MSG_STORAGE, "Starting OOO LL2 queue\n");
- rc = qed_ll2_start_ooo(cdev, params);
+ WARN_ON(!cdev->ll2->cbs);
+
+ /* Initialize LL2 locks & lists */
+ INIT_LIST_HEAD(&cdev->ll2->list);
+ spin_lock_init(&cdev->ll2->lock);
+
+ cdev->ll2->rx_size = NET_SKB_PAD + ETH_HLEN +
+ L1_CACHE_BYTES + params->mtu;
+
+ /* Allocate memory for LL2.
+ * In CMT mode, in case of a storage PF which is affintized to engine 1,
+ * LL2 is started also on engine 0 and thus we need twofold buffers.
+ */
+ rx_num_desc = QED_LL2_RX_SIZE * (b_is_storage_eng1 ? 2 : 1);
+ DP_INFO(cdev, "Allocating %d LL2 buffers of size %08x bytes\n",
+ rx_num_desc, cdev->ll2->rx_size);
+ for (i = 0; i < rx_num_desc; i++) {
+ buffer = kzalloc(sizeof(*buffer), GFP_KERNEL);
+ if (!buffer) {
+ DP_INFO(cdev, "Failed to allocate LL2 buffers\n");
+ rc = -ENOMEM;
+ goto err0;
+ }
+
+ rc = qed_ll2_alloc_buffer(cdev, (u8 **)&buffer->data,
+ &buffer->phys_addr);
if (rc) {
- DP_INFO(cdev,
- "Failed to initialize the OOO LL2 queue\n");
- goto release_terminate;
+ kfree(buffer);
+ goto err0;
}
- }
- p_ptt = qed_ptt_acquire(QED_LEADING_HWFN(cdev));
- if (!p_ptt) {
- DP_INFO(cdev, "Failed to acquire PTT\n");
- goto release_terminate;
+ list_add_tail(&buffer->list, &cdev->ll2->list);
}
- qed_ptt_release(QED_LEADING_HWFN(cdev), p_ptt);
+ rc = __qed_ll2_start(p_hwfn, params);
if (rc) {
- DP_ERR(cdev, "Failed to allocate LLH filter\n");
- goto release_terminate_all;
+ DP_NOTICE(cdev, "Failed to start LL2\n");
+ goto err0;
}
- ether_addr_copy(cdev->ll2_mac_address, params->ll2_mac_address);
- return 0;
-
-release_terminate_all:
-
-release_terminate:
- qed_ll2_terminate_connection(QED_LEADING_HWFN(cdev), cdev->ll2->handle);
-release_fail:
- qed_ll2_release_connection(QED_LEADING_HWFN(cdev), cdev->ll2->handle);
-fail:
- qed_ll2_kill_buffers(cdev);
- cdev->ll2->handle = QED_LL2_UNUSED_HANDLE;
- return -EINVAL;
-}
-
-static int qed_ll2_stop(struct qed_dev *cdev)
-{
- struct qed_ptt *p_ptt;
- int rc;
-
- if (cdev->ll2->handle == QED_LL2_UNUSED_HANDLE)
- return 0;
+ /* In CMT mode, always need to start LL2 on engine 0 for a storage PF,
+ * since broadcast/mutlicast packets are routed to engine 0.
+ */
+ if (b_is_storage_eng1) {
+ rc = __qed_ll2_start(QED_LEADING_HWFN(cdev), params);
+ if (rc) {
+ DP_NOTICE(QED_LEADING_HWFN(cdev),
+ "Failed to start LL2 on engine 0\n");
+ goto err1;
+ }
+ }
- p_ptt = qed_ptt_acquire(QED_LEADING_HWFN(cdev));
- if (!p_ptt) {
- DP_INFO(cdev, "Failed to acquire PTT\n");
- goto fail;
+ if (QED_IS_ISCSI_PERSONALITY(p_hwfn)) {
+ DP_VERBOSE(cdev, QED_MSG_STORAGE, "Starting OOO LL2 queue\n");
+ rc = qed_ll2_start_ooo(p_hwfn, params);
+ if (rc) {
+ DP_NOTICE(cdev, "Failed to start OOO LL2\n");
+ goto err2;
+ }
}
- qed_ptt_release(QED_LEADING_HWFN(cdev), p_ptt);
- eth_zero_addr(cdev->ll2_mac_address);
+ rc = qed_llh_add_mac_filter(cdev, 0, params->ll2_mac_address);
+ if (rc) {
+ DP_NOTICE(cdev, "Failed to add an LLH filter\n");
+ goto err3;
+ }
- if (QED_LEADING_HWFN(cdev)->hw_info.personality == QED_PCI_ISCSI)
- qed_ll2_stop_ooo(cdev);
+ ether_addr_copy(cdev->ll2_mac_address, params->ll2_mac_address);
- rc = qed_ll2_terminate_connection(QED_LEADING_HWFN(cdev),
- cdev->ll2->handle);
- if (rc)
- DP_INFO(cdev, "Failed to terminate LL2 connection\n");
+ return 0;
+err3:
+ if (QED_IS_ISCSI_PERSONALITY(p_hwfn))
+ qed_ll2_stop_ooo(p_hwfn);
+err2:
+ if (b_is_storage_eng1)
+ __qed_ll2_stop(QED_LEADING_HWFN(cdev));
+err1:
+ __qed_ll2_stop(p_hwfn);
+err0:
qed_ll2_kill_buffers(cdev);
-
- qed_ll2_release_connection(QED_LEADING_HWFN(cdev), cdev->ll2->handle);
cdev->ll2->handle = QED_LL2_UNUSED_HANDLE;
-
return rc;
-fail:
- return -EINVAL;
}
static int qed_ll2_start_xmit(struct qed_dev *cdev, struct sk_buff *skb,
unsigned long xmit_flags)
{
+ struct qed_hwfn *p_hwfn = QED_AFFIN_HWFN(cdev);
struct qed_ll2_tx_pkt_info pkt;
const skb_frag_t *frag;
u8 flags = 0, nr_frags;
* routine may run and free the SKB, so no dereferencing the SKB
* beyond this point unless skb has any fragments.
*/
- rc = qed_ll2_prepare_tx_packet(&cdev->hwfns[0], cdev->ll2->handle,
+ rc = qed_ll2_prepare_tx_packet(p_hwfn, cdev->ll2->handle,
&pkt, 1);
if (rc)
goto err;
goto err;
}
- rc = qed_ll2_set_fragment_of_tx_packet(QED_LEADING_HWFN(cdev),
+ rc = qed_ll2_set_fragment_of_tx_packet(p_hwfn,
cdev->ll2->handle,
mapping,
skb_frag_size(frag));
/* if failed not much to do here, partial packet has been posted
- * we can't free memory, will need to wait for completion.
+ * we can't free memory, will need to wait for completion
*/
if (rc)
goto err2;
err:
dma_unmap_single(&cdev->pdev->dev, mapping, skb->len, DMA_TO_DEVICE);
-
err2:
return rc;
}
static int qed_ll2_stats(struct qed_dev *cdev, struct qed_ll2_stats *stats)
{
+ bool b_is_storage_eng1 = qed_ll2_is_storage_eng1(cdev);
+ struct qed_hwfn *p_hwfn = QED_AFFIN_HWFN(cdev);
+ int rc;
+
if (!cdev->ll2)
return -EINVAL;
- return qed_ll2_get_stats(QED_LEADING_HWFN(cdev),
- cdev->ll2->handle, stats);
+ rc = qed_ll2_get_stats(p_hwfn, cdev->ll2->handle, stats);
+ if (rc) {
+ DP_NOTICE(p_hwfn, "Failed to get LL2 stats\n");
+ return rc;
+ }
+
+ /* In CMT mode, LL2 is always started on engine 0 for a storage PF */
+ if (b_is_storage_eng1) {
+ rc = __qed_ll2_get_stats(QED_LEADING_HWFN(cdev),
+ cdev->ll2->handle, stats);
+ if (rc) {
+ DP_NOTICE(QED_LEADING_HWFN(cdev),
+ "Failed to get LL2 stats on engine 0\n");
+ return rc;
+ }
+ }
+
+ return 0;
}
const struct qed_ll2_ops qed_ll2_ops_pass = {
projects / platform / kernel / linux-rpi.git / commitdiff