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Commit 005d5696 authored by Selvin Xavier's avatar Selvin Xavier Committed by David S. Miller
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be2net: Stats for Lancer



Added Lancer stats implementation.

Signed-off-by: default avatarSelvin Xavier <selvin.xavier@emulex.com>
Signed-off-by: default avatarPadmanabh Ratnakar <padmanabh.ratnakar@emulex.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 89a88ab8
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+37 −37
Original line number Original line Diff line number Diff line
@@ -244,43 +244,43 @@ struct be_rx_obj {


struct be_drv_stats {
struct be_drv_stats {
	u8 be_on_die_temperature;
	u8 be_on_die_temperature;
	u32 be_tx_events;
	u64 be_tx_events;
	u32 eth_red_drops;
	u64 eth_red_drops;
	u32 rx_drops_no_pbuf;
	u64 rx_drops_no_pbuf;
	u32 rx_drops_no_txpb;
	u64 rx_drops_no_txpb;
	u32 rx_drops_no_erx_descr;
	u64 rx_drops_no_erx_descr;
	u32 rx_drops_no_tpre_descr;
	u64 rx_drops_no_tpre_descr;
	u32 rx_drops_too_many_frags;
	u64 rx_drops_too_many_frags;
	u32 rx_drops_invalid_ring;
	u64 rx_drops_invalid_ring;
	u32 forwarded_packets;
	u64 forwarded_packets;
	u32 rx_drops_mtu;
	u64 rx_drops_mtu;
	u32 rx_crc_errors;
	u64 rx_crc_errors;
	u32 rx_alignment_symbol_errors;
	u64 rx_alignment_symbol_errors;
	u32 rx_pause_frames;
	u64 rx_pause_frames;
	u32 rx_priority_pause_frames;
	u64 rx_priority_pause_frames;
	u32 rx_control_frames;
	u64 rx_control_frames;
	u32 rx_in_range_errors;
	u64 rx_in_range_errors;
	u32 rx_out_range_errors;
	u64 rx_out_range_errors;
	u32 rx_frame_too_long;
	u64 rx_frame_too_long;
	u32 rx_address_match_errors;
	u64 rx_address_match_errors;
	u32 rx_dropped_too_small;
	u64 rx_dropped_too_small;
	u32 rx_dropped_too_short;
	u64 rx_dropped_too_short;
	u32 rx_dropped_header_too_small;
	u64 rx_dropped_header_too_small;
	u32 rx_dropped_tcp_length;
	u64 rx_dropped_tcp_length;
	u32 rx_dropped_runt;
	u64 rx_dropped_runt;
	u32 rx_ip_checksum_errs;
	u64 rx_ip_checksum_errs;
	u32 rx_tcp_checksum_errs;
	u64 rx_tcp_checksum_errs;
	u32 rx_udp_checksum_errs;
	u64 rx_udp_checksum_errs;
	u32 rx_switched_unicast_packets;
	u64 rx_switched_unicast_packets;
	u32 rx_switched_multicast_packets;
	u64 rx_switched_multicast_packets;
	u32 rx_switched_broadcast_packets;
	u64 rx_switched_broadcast_packets;
	u32 tx_pauseframes;
	u64 tx_pauseframes;
	u32 tx_priority_pauseframes;
	u64 tx_priority_pauseframes;
	u32 tx_controlframes;
	u64 tx_controlframes;
	u32 rxpp_fifo_overflow_drop;
	u64 rxpp_fifo_overflow_drop;
	u32 rx_input_fifo_overflow_drop;
	u64 rx_input_fifo_overflow_drop;
	u32 pmem_fifo_overflow_drop;
	u64 pmem_fifo_overflow_drop;
	u32 jabber_events;
	u64 jabber_events;
};
};


struct be_vf_cfg {
struct be_vf_cfg {
+53 −2
Original line number Original line Diff line number Diff line
@@ -78,14 +78,22 @@ static int be_mcc_compl_process(struct be_adapter *adapter,
	}
	}


	if (compl_status == MCC_STATUS_SUCCESS) {
	if (compl_status == MCC_STATUS_SUCCESS) {
		if ((compl->tag0 == OPCODE_ETH_GET_STATISTICS) &&
		if (((compl->tag0 == OPCODE_ETH_GET_STATISTICS) ||
			 (compl->tag0 == OPCODE_ETH_GET_PPORT_STATS)) &&
			(compl->tag1 == CMD_SUBSYSTEM_ETH)) {
			(compl->tag1 == CMD_SUBSYSTEM_ETH)) {
			if (adapter->generation == BE_GEN3) {
			if (adapter->generation == BE_GEN3) {
				if (lancer_chip(adapter)) {
					struct lancer_cmd_resp_pport_stats
						*resp = adapter->stats_cmd.va;
					be_dws_le_to_cpu(&resp->pport_stats,
						sizeof(resp->pport_stats));
				} else {
					struct be_cmd_resp_get_stats_v1 *resp =
					struct be_cmd_resp_get_stats_v1 *resp =
							adapter->stats_cmd.va;
							adapter->stats_cmd.va;


				be_dws_le_to_cpu(&resp->hw_stats,
				be_dws_le_to_cpu(&resp->hw_stats,
							sizeof(resp->hw_stats));
							sizeof(resp->hw_stats));
				}
			} else {
			} else {
				struct be_cmd_resp_get_stats_v0 *resp =
				struct be_cmd_resp_get_stats_v0 *resp =
							adapter->stats_cmd.va;
							adapter->stats_cmd.va;
@@ -1124,6 +1132,49 @@ int be_cmd_get_stats(struct be_adapter *adapter, struct be_dma_mem *nonemb_cmd)
	return status;
	return status;
}
}


/* Lancer Stats */
int lancer_cmd_get_pport_stats(struct be_adapter *adapter,
				struct be_dma_mem *nonemb_cmd)
{

	struct be_mcc_wrb *wrb;
	struct lancer_cmd_req_pport_stats *req;
	struct be_sge *sge;
	int status = 0;

	spin_lock_bh(&adapter->mcc_lock);

	wrb = wrb_from_mccq(adapter);
	if (!wrb) {
		status = -EBUSY;
		goto err;
	}
	req = nonemb_cmd->va;
	sge = nonembedded_sgl(wrb);

	be_wrb_hdr_prepare(wrb, nonemb_cmd->size, false, 1,
			OPCODE_ETH_GET_PPORT_STATS);

	be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ETH,
			OPCODE_ETH_GET_PPORT_STATS, nonemb_cmd->size);


	req->cmd_params.params.pport_num = cpu_to_le16(adapter->port_num);
	req->cmd_params.params.reset_stats = 0;

	wrb->tag1 = CMD_SUBSYSTEM_ETH;
	sge->pa_hi = cpu_to_le32(upper_32_bits(nonemb_cmd->dma));
	sge->pa_lo = cpu_to_le32(nonemb_cmd->dma & 0xFFFFFFFF);
	sge->len = cpu_to_le32(nonemb_cmd->size);

	be_mcc_notify(adapter);
	adapter->stats_cmd_sent = true;

err:
	spin_unlock_bh(&adapter->mcc_lock);
	return status;
}

/* Uses synchronous mcc */
/* Uses synchronous mcc */
int be_cmd_link_status_query(struct be_adapter *adapter,
int be_cmd_link_status_query(struct be_adapter *adapter,
			bool *link_up, u8 *mac_speed, u16 *link_speed, u32 dom)
			bool *link_up, u8 *mac_speed, u16 *link_speed, u32 dom)
+197 −0
Original line number Original line Diff line number Diff line
@@ -203,6 +203,7 @@ struct be_mcc_mailbox {
#define OPCODE_ETH_TX_DESTROY           		9
#define OPCODE_ETH_TX_DESTROY           		9
#define OPCODE_ETH_RX_DESTROY           		10
#define OPCODE_ETH_RX_DESTROY           		10
#define OPCODE_ETH_ACPI_WOL_MAGIC_CONFIG		12
#define OPCODE_ETH_ACPI_WOL_MAGIC_CONFIG		12
#define OPCODE_ETH_GET_PPORT_STATS			18


#define OPCODE_LOWLEVEL_HOST_DDR_DMA                    17
#define OPCODE_LOWLEVEL_HOST_DDR_DMA                    17
#define OPCODE_LOWLEVEL_LOOPBACK_TEST                   18
#define OPCODE_LOWLEVEL_LOOPBACK_TEST                   18
@@ -688,6 +689,200 @@ struct be_cmd_resp_get_stats_v0 {
	struct be_hw_stats_v0 hw_stats;
	struct be_hw_stats_v0 hw_stats;
};
};


#define make_64bit_val(hi_32, lo_32)	(((u64)hi_32<<32) | lo_32)
struct lancer_cmd_pport_stats {
	u32 tx_packets_lo;
	u32 tx_packets_hi;
	u32 tx_unicast_packets_lo;
	u32 tx_unicast_packets_hi;
	u32 tx_multicast_packets_lo;
	u32 tx_multicast_packets_hi;
	u32 tx_broadcast_packets_lo;
	u32 tx_broadcast_packets_hi;
	u32 tx_bytes_lo;
	u32 tx_bytes_hi;
	u32 tx_unicast_bytes_lo;
	u32 tx_unicast_bytes_hi;
	u32 tx_multicast_bytes_lo;
	u32 tx_multicast_bytes_hi;
	u32 tx_broadcast_bytes_lo;
	u32 tx_broadcast_bytes_hi;
	u32 tx_discards_lo;
	u32 tx_discards_hi;
	u32 tx_errors_lo;
	u32 tx_errors_hi;
	u32 tx_pause_frames_lo;
	u32 tx_pause_frames_hi;
	u32 tx_pause_on_frames_lo;
	u32 tx_pause_on_frames_hi;
	u32 tx_pause_off_frames_lo;
	u32 tx_pause_off_frames_hi;
	u32 tx_internal_mac_errors_lo;
	u32 tx_internal_mac_errors_hi;
	u32 tx_control_frames_lo;
	u32 tx_control_frames_hi;
	u32 tx_packets_64_bytes_lo;
	u32 tx_packets_64_bytes_hi;
	u32 tx_packets_65_to_127_bytes_lo;
	u32 tx_packets_65_to_127_bytes_hi;
	u32 tx_packets_128_to_255_bytes_lo;
	u32 tx_packets_128_to_255_bytes_hi;
	u32 tx_packets_256_to_511_bytes_lo;
	u32 tx_packets_256_to_511_bytes_hi;
	u32 tx_packets_512_to_1023_bytes_lo;
	u32 tx_packets_512_to_1023_bytes_hi;
	u32 tx_packets_1024_to_1518_bytes_lo;
	u32 tx_packets_1024_to_1518_bytes_hi;
	u32 tx_packets_1519_to_2047_bytes_lo;
	u32 tx_packets_1519_to_2047_bytes_hi;
	u32 tx_packets_2048_to_4095_bytes_lo;
	u32 tx_packets_2048_to_4095_bytes_hi;
	u32 tx_packets_4096_to_8191_bytes_lo;
	u32 tx_packets_4096_to_8191_bytes_hi;
	u32 tx_packets_8192_to_9216_bytes_lo;
	u32 tx_packets_8192_to_9216_bytes_hi;
	u32 tx_lso_packets_lo;
	u32 tx_lso_packets_hi;
	u32 rx_packets_lo;
	u32 rx_packets_hi;
	u32 rx_unicast_packets_lo;
	u32 rx_unicast_packets_hi;
	u32 rx_multicast_packets_lo;
	u32 rx_multicast_packets_hi;
	u32 rx_broadcast_packets_lo;
	u32 rx_broadcast_packets_hi;
	u32 rx_bytes_lo;
	u32 rx_bytes_hi;
	u32 rx_unicast_bytes_lo;
	u32 rx_unicast_bytes_hi;
	u32 rx_multicast_bytes_lo;
	u32 rx_multicast_bytes_hi;
	u32 rx_broadcast_bytes_lo;
	u32 rx_broadcast_bytes_hi;
	u32 rx_unknown_protos;
	u32 rsvd_69; /* Word 69 is reserved */
	u32 rx_discards_lo;
	u32 rx_discards_hi;
	u32 rx_errors_lo;
	u32 rx_errors_hi;
	u32 rx_crc_errors_lo;
	u32 rx_crc_errors_hi;
	u32 rx_alignment_errors_lo;
	u32 rx_alignment_errors_hi;
	u32 rx_symbol_errors_lo;
	u32 rx_symbol_errors_hi;
	u32 rx_pause_frames_lo;
	u32 rx_pause_frames_hi;
	u32 rx_pause_on_frames_lo;
	u32 rx_pause_on_frames_hi;
	u32 rx_pause_off_frames_lo;
	u32 rx_pause_off_frames_hi;
	u32 rx_frames_too_long_lo;
	u32 rx_frames_too_long_hi;
	u32 rx_internal_mac_errors_lo;
	u32 rx_internal_mac_errors_hi;
	u32 rx_undersize_packets;
	u32 rx_oversize_packets;
	u32 rx_fragment_packets;
	u32 rx_jabbers;
	u32 rx_control_frames_lo;
	u32 rx_control_frames_hi;
	u32 rx_control_frames_unknown_opcode_lo;
	u32 rx_control_frames_unknown_opcode_hi;
	u32 rx_in_range_errors;
	u32 rx_out_of_range_errors;
	u32 rx_address_match_errors;
	u32 rx_vlan_mismatch_errors;
	u32 rx_dropped_too_small;
	u32 rx_dropped_too_short;
	u32 rx_dropped_header_too_small;
	u32 rx_dropped_invalid_tcp_length;
	u32 rx_dropped_runt;
	u32 rx_ip_checksum_errors;
	u32 rx_tcp_checksum_errors;
	u32 rx_udp_checksum_errors;
	u32 rx_non_rss_packets;
	u32 rsvd_111;
	u32 rx_ipv4_packets_lo;
	u32 rx_ipv4_packets_hi;
	u32 rx_ipv6_packets_lo;
	u32 rx_ipv6_packets_hi;
	u32 rx_ipv4_bytes_lo;
	u32 rx_ipv4_bytes_hi;
	u32 rx_ipv6_bytes_lo;
	u32 rx_ipv6_bytes_hi;
	u32 rx_nic_packets_lo;
	u32 rx_nic_packets_hi;
	u32 rx_tcp_packets_lo;
	u32 rx_tcp_packets_hi;
	u32 rx_iscsi_packets_lo;
	u32 rx_iscsi_packets_hi;
	u32 rx_management_packets_lo;
	u32 rx_management_packets_hi;
	u32 rx_switched_unicast_packets_lo;
	u32 rx_switched_unicast_packets_hi;
	u32 rx_switched_multicast_packets_lo;
	u32 rx_switched_multicast_packets_hi;
	u32 rx_switched_broadcast_packets_lo;
	u32 rx_switched_broadcast_packets_hi;
	u32 num_forwards_lo;
	u32 num_forwards_hi;
	u32 rx_fifo_overflow;
	u32 rx_input_fifo_overflow;
	u32 rx_drops_too_many_frags_lo;
	u32 rx_drops_too_many_frags_hi;
	u32 rx_drops_invalid_queue;
	u32 rsvd_141;
	u32 rx_drops_mtu_lo;
	u32 rx_drops_mtu_hi;
	u32 rx_packets_64_bytes_lo;
	u32 rx_packets_64_bytes_hi;
	u32 rx_packets_65_to_127_bytes_lo;
	u32 rx_packets_65_to_127_bytes_hi;
	u32 rx_packets_128_to_255_bytes_lo;
	u32 rx_packets_128_to_255_bytes_hi;
	u32 rx_packets_256_to_511_bytes_lo;
	u32 rx_packets_256_to_511_bytes_hi;
	u32 rx_packets_512_to_1023_bytes_lo;
	u32 rx_packets_512_to_1023_bytes_hi;
	u32 rx_packets_1024_to_1518_bytes_lo;
	u32 rx_packets_1024_to_1518_bytes_hi;
	u32 rx_packets_1519_to_2047_bytes_lo;
	u32 rx_packets_1519_to_2047_bytes_hi;
	u32 rx_packets_2048_to_4095_bytes_lo;
	u32 rx_packets_2048_to_4095_bytes_hi;
	u32 rx_packets_4096_to_8191_bytes_lo;
	u32 rx_packets_4096_to_8191_bytes_hi;
	u32 rx_packets_8192_to_9216_bytes_lo;
	u32 rx_packets_8192_to_9216_bytes_hi;
};

struct pport_stats_params {
	u16 pport_num;
	u8 rsvd;
	u8 reset_stats;
};

struct lancer_cmd_req_pport_stats {
	struct be_cmd_req_hdr hdr;
	union {
		struct pport_stats_params params;
		u8 rsvd[sizeof(struct lancer_cmd_pport_stats)];
	} cmd_params;
};

struct lancer_cmd_resp_pport_stats {
	struct be_cmd_resp_hdr hdr;
	struct lancer_cmd_pport_stats pport_stats;
};

static inline  struct lancer_cmd_pport_stats*
	pport_stats_from_cmd(struct be_adapter *adapter)
{
	struct lancer_cmd_resp_pport_stats *cmd = adapter->stats_cmd.va;
	return &cmd->pport_stats;
}

struct be_cmd_req_get_cntl_addnl_attribs {
struct be_cmd_req_get_cntl_addnl_attribs {
	struct be_cmd_req_hdr hdr;
	struct be_cmd_req_hdr hdr;
	u8 rsvd[8];
	u8 rsvd[8];
@@ -1258,6 +1453,8 @@ extern int be_cmd_link_status_query(struct be_adapter *adapter,
extern int be_cmd_reset(struct be_adapter *adapter);
extern int be_cmd_reset(struct be_adapter *adapter);
extern int be_cmd_get_stats(struct be_adapter *adapter,
extern int be_cmd_get_stats(struct be_adapter *adapter,
			struct be_dma_mem *nonemb_cmd);
			struct be_dma_mem *nonemb_cmd);
extern int lancer_cmd_get_pport_stats(struct be_adapter *adapter,
			struct be_dma_mem *nonemb_cmd);
extern int be_cmd_get_fw_ver(struct be_adapter *adapter, char *fw_ver);
extern int be_cmd_get_fw_ver(struct be_adapter *adapter, char *fw_ver);


extern int be_cmd_modify_eqd(struct be_adapter *adapter, u32 eq_id, u32 eqd);
extern int be_cmd_modify_eqd(struct be_adapter *adapter, u32 eq_id, u32 eqd);
+80 −11
Original line number Original line Diff line number Diff line
@@ -351,15 +351,74 @@ static void populate_be3_stats(struct be_adapter *adapter)
	adapter->drv_stats.eth_red_drops = pmem_sts->eth_red_drops;
	adapter->drv_stats.eth_red_drops = pmem_sts->eth_red_drops;
}
}


static void populate_lancer_stats(struct be_adapter *adapter)
{


	struct be_drv_stats *drvs = &adapter->drv_stats;
	struct lancer_cmd_pport_stats *pport_stats = pport_stats_from_cmd
						(adapter);
	drvs->rx_priority_pause_frames = 0;
	drvs->pmem_fifo_overflow_drop = 0;
	drvs->rx_pause_frames =
		make_64bit_val(pport_stats->rx_pause_frames_lo,
				 pport_stats->rx_pause_frames_hi);
	drvs->rx_crc_errors = make_64bit_val(pport_stats->rx_crc_errors_hi,
						pport_stats->rx_crc_errors_lo);
	drvs->rx_control_frames =
			make_64bit_val(pport_stats->rx_control_frames_hi,
			pport_stats->rx_control_frames_lo);
	drvs->rx_in_range_errors = pport_stats->rx_in_range_errors;
	drvs->rx_frame_too_long =
		make_64bit_val(pport_stats->rx_internal_mac_errors_hi,
					pport_stats->rx_frames_too_long_lo);
	drvs->rx_dropped_runt = pport_stats->rx_dropped_runt;
	drvs->rx_ip_checksum_errs = pport_stats->rx_ip_checksum_errors;
	drvs->rx_tcp_checksum_errs = pport_stats->rx_tcp_checksum_errors;
	drvs->rx_udp_checksum_errs = pport_stats->rx_udp_checksum_errors;
	drvs->rx_dropped_tcp_length =
				pport_stats->rx_dropped_invalid_tcp_length;
	drvs->rx_dropped_too_small = pport_stats->rx_dropped_too_small;
	drvs->rx_dropped_too_short = pport_stats->rx_dropped_too_short;
	drvs->rx_out_range_errors = pport_stats->rx_out_of_range_errors;
	drvs->rx_dropped_header_too_small =
				pport_stats->rx_dropped_header_too_small;
	drvs->rx_input_fifo_overflow_drop = pport_stats->rx_fifo_overflow;
	drvs->rx_address_match_errors = pport_stats->rx_address_match_errors;
	drvs->rx_alignment_symbol_errors =
		make_64bit_val(pport_stats->rx_symbol_errors_hi,
				pport_stats->rx_symbol_errors_lo);
	drvs->rxpp_fifo_overflow_drop = pport_stats->rx_fifo_overflow;
	drvs->tx_pauseframes = make_64bit_val(pport_stats->tx_pause_frames_hi,
					pport_stats->tx_pause_frames_lo);
	drvs->tx_controlframes =
		make_64bit_val(pport_stats->tx_control_frames_hi,
				pport_stats->tx_control_frames_lo);
	drvs->jabber_events = pport_stats->rx_jabbers;
	drvs->rx_drops_no_pbuf = 0;
	drvs->rx_drops_no_txpb = 0;
	drvs->rx_drops_no_erx_descr = 0;
	drvs->rx_drops_invalid_ring = pport_stats->rx_drops_invalid_queue;
	drvs->forwarded_packets = make_64bit_val(pport_stats->num_forwards_hi,
						pport_stats->num_forwards_lo);
	drvs->rx_drops_mtu = make_64bit_val(pport_stats->rx_drops_mtu_hi,
						pport_stats->rx_drops_mtu_lo);
	drvs->rx_drops_no_tpre_descr = 0;
	drvs->rx_drops_too_many_frags =
		make_64bit_val(pport_stats->rx_drops_too_many_frags_hi,
				pport_stats->rx_drops_too_many_frags_lo);
}


void be_parse_stats(struct be_adapter *adapter)
void be_parse_stats(struct be_adapter *adapter)
{
{
	if (adapter->generation == BE_GEN3)
	if (adapter->generation == BE_GEN3) {
		populate_be3_stats(adapter);
		if (lancer_chip(adapter))
			populate_lancer_stats(adapter);
		 else
		 else
			populate_be3_stats(adapter);
	} else {
		populate_be2_stats(adapter);
		populate_be2_stats(adapter);
	}
	}
}


void netdev_stats_update(struct be_adapter *adapter)
void netdev_stats_update(struct be_adapter *adapter)
{
{
@@ -375,10 +434,12 @@ void netdev_stats_update(struct be_adapter *adapter)
		dev_stats->multicast += rx_stats(rxo)->rx_mcast_pkts;
		dev_stats->multicast += rx_stats(rxo)->rx_mcast_pkts;
		/*  no space in linux buffers: best possible approximation */
		/*  no space in linux buffers: best possible approximation */
		if (adapter->generation == BE_GEN3) {
		if (adapter->generation == BE_GEN3) {
			if (!(lancer_chip(adapter))) {
				struct be_erx_stats_v1 *erx_stats =
				struct be_erx_stats_v1 *erx_stats =
					be_erx_stats_from_cmd(adapter);
					be_erx_stats_from_cmd(adapter);
				dev_stats->rx_dropped +=
				dev_stats->rx_dropped +=
				erx_stats->rx_drops_no_fragments[rxo->q.id];
				erx_stats->rx_drops_no_fragments[rxo->q.id];
			}
		} else {
		} else {
			struct be_erx_stats_v0 *erx_stats =
			struct be_erx_stats_v0 *erx_stats =
					be_erx_stats_from_cmd(adapter);
					be_erx_stats_from_cmd(adapter);
@@ -2022,9 +2083,13 @@ static void be_worker(struct work_struct *work)
		goto reschedule;
		goto reschedule;
	}
	}


	if (!adapter->stats_cmd_sent)
	if (!adapter->stats_cmd_sent) {
		if (lancer_chip(adapter))
			lancer_cmd_get_pport_stats(adapter,
						&adapter->stats_cmd);
		else
			be_cmd_get_stats(adapter, &adapter->stats_cmd);
			be_cmd_get_stats(adapter, &adapter->stats_cmd);

	}
	be_tx_rate_update(adapter);
	be_tx_rate_update(adapter);


	for_all_rx_queues(adapter, rxo, i) {
	for_all_rx_queues(adapter, rxo, i) {
@@ -2944,10 +3009,14 @@ static int be_stats_init(struct be_adapter *adapter)
{
{
	struct be_dma_mem *cmd = &adapter->stats_cmd;
	struct be_dma_mem *cmd = &adapter->stats_cmd;


	if (adapter->generation == BE_GEN2)
	if (adapter->generation == BE_GEN2) {
		cmd->size = sizeof(struct be_cmd_req_get_stats_v0);
		cmd->size = sizeof(struct be_cmd_req_get_stats_v0);
	} else {
		if (lancer_chip(adapter))
			cmd->size = sizeof(struct lancer_cmd_req_pport_stats);
		else
		else
			cmd->size = sizeof(struct be_cmd_req_get_stats_v1);
			cmd->size = sizeof(struct be_cmd_req_get_stats_v1);
	}
	cmd->va = dma_alloc_coherent(&adapter->pdev->dev, cmd->size, &cmd->dma,
	cmd->va = dma_alloc_coherent(&adapter->pdev->dev, cmd->size, &cmd->dma,
				     GFP_KERNEL);
				     GFP_KERNEL);
	if (cmd->va == NULL)
	if (cmd->va == NULL)