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Commit 32d26a68 authored by Sudarsana Reddy Kalluru's avatar Sudarsana Reddy Kalluru Committed by David S. Miller
Browse files

qed*: Add link change count value to ethtool statistics display. 



This patch adds driver changes for capturing the link change count in
ethtool statistics display.

Please consider applying this to "net-next".

Signed-off-by: default avatarSudarsana Reddy Kalluru <Sudarsana.Kalluru@cavium.com>
Signed-off-by: default avatarAriel Elior <ariel.elior@cavium.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 8e8b332b

drivers/net/ethernet/qlogic/qed/qed_l2.c

+10 −2
Original line number Diff line number Diff line
@@ -1854,6 +1854,11 @@ static void __qed_get_vport_port_stats(struct qed_hwfn *p_hwfn, 
		p_ah->tx_1519_to_max_byte_packets =

		    port_stats.eth.u1.ah1.t1519_to_max;

	}



	p_common->link_change_count = qed_rd(p_hwfn, p_ptt,

					     p_hwfn->mcp_info->port_addr +

					     offsetof(struct public_port,

						      link_change_count));

}



static void __qed_get_vport_stats(struct qed_hwfn *p_hwfn,
@@ -1961,11 +1966,14 @@ void qed_reset_vport_stats(struct qed_dev *cdev) 


	/* PORT statistics are not necessarily reset, so we need to

	 * read and create a baseline for future statistics.

	 * Link change stat is maintained by MFW, return its value as is.

	 */

	if (!cdev->reset_stats)

	if (!cdev->reset_stats) {

		DP_INFO(cdev, "Reset stats not allocated\n");

	else

	} else {

		_qed_get_vport_stats(cdev, cdev->reset_stats);

		cdev->reset_stats->common.link_change_count = 0;

	}

}



static enum gft_profile_type

drivers/net/ethernet/qlogic/qede/qede.h

+1 −0
Original line number Diff line number Diff line
@@ -88,6 +88,7 @@ struct qede_stats_common { 
	u64 coalesced_aborts_num;

	u64 non_coalesced_pkts;

	u64 coalesced_bytes;

	u64 link_change_count;



	/* port */

	u64 rx_64_byte_packets;

drivers/net/ethernet/qlogic/qede/qede_ethtool.c

+2 −0
Original line number Diff line number Diff line
@@ -171,6 +171,8 @@ static const struct { 
	QEDE_STAT(coalesced_aborts_num),

	QEDE_STAT(non_coalesced_pkts),

	QEDE_STAT(coalesced_bytes),



	QEDE_STAT(link_change_count),

};



#define QEDE_NUM_STATS	ARRAY_SIZE(qede_stats_arr)

drivers/net/ethernet/qlogic/qede/qede_main.c

+1 −0
Original line number Diff line number Diff line
@@ -399,6 +399,7 @@ void qede_fill_by_demand_stats(struct qede_dev *edev) 
	p_common->brb_truncates = stats.common.brb_truncates;

	p_common->brb_discards = stats.common.brb_discards;

	p_common->tx_mac_ctrl_frames = stats.common.tx_mac_ctrl_frames;

	p_common->link_change_count = stats.common.link_change_count;



	if (QEDE_IS_BB(edev)) {

		struct qede_stats_bb *p_bb = &edev->stats.bb;

include/linux/qed/qed_if.h

+1 −0
Original line number Diff line number Diff line
@@ -1180,6 +1180,7 @@ struct qed_eth_stats_common { 
	u64	tx_mac_mc_packets;

	u64	tx_mac_bc_packets;

	u64	tx_mac_ctrl_frames;

	u64	link_change_count;

};



struct qed_eth_stats_bb {