diff options
| author |   Sudarsana Reddy Kalluru <sudarsana.kalluru@cavium.com> | 2018-05-29 02:31:24 -0700 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2018-05-31 14:02:13 -0400 |
| commit | 32d26a685c1802a0e485bd674e7dd038e88019f7 (patch) | |
| tree | 353ae2a38d6448363ecdf266e82b7117fb03b76d /drivers/net/ethernet/qlogic/qed/qed_l2.c | |
| parent | Merge tag 'mlx5e-updates-2018-05-29' of git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux (diff) | |
| download | linux-dev-32d26a685c1802a0e485bd674e7dd038e88019f7.tar.xz linux-dev-32d26a685c1802a0e485bd674e7dd038e88019f7.zip | |
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>
Diffstat (limited to 'drivers/net/ethernet/qlogic/qed/qed_l2.c')
| -rw-r--r-- | drivers/net/ethernet/qlogic/qed/qed_l2.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/drivers/net/ethernet/qlogic/qed/qed_l2.c b/drivers/net/ethernet/qlogic/qed/qed_l2.c index 1c0d0c217936..eed4725761f5 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_l2.c +++ b/drivers/net/ethernet/qlogic/qed/qed_l2.c @@ -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 |