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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: Sudarsana Reddy Kalluru <Sudarsana.Kalluru@cavium.com>
Signed-off-by: Ariel Elior <ariel.elior@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Sudarsana Reddy Kalluru 2018-05-29 02:31:24 -07:00 committed by David S. Miller
parent 8e8b332b89
commit 32d26a685c
5 changed files with 15 additions and 2 deletions
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12
drivers/net/ethernet/qlogic/qed/qed_l2.c
View File

@ -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

1
drivers/net/ethernet/qlogic/qede/qede.h
View File

@ -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;

2
drivers/net/ethernet/qlogic/qede/qede_ethtool.c
View File

@ -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)

1
drivers/net/ethernet/qlogic/qede/qede_main.c
View File

@ -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;

1
include/linux/qed/qed_if.h
View File

@ -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 {