Add link_change_count counter to track number of link state transitions Signed-off-by: Rasesh Mody <rasesh.m...@cavium.com> --- drivers/net/qede/base/ecore_dev_api.h | 1 + drivers/net/qede/base/ecore_l2.c | 10 +++++++++- 2 files changed, 10 insertions(+), 1 deletion(-)
diff --git a/drivers/net/qede/base/ecore_dev_api.h b/drivers/net/qede/base/ecore_dev_api.h index aee11c0..f619683 100644 --- a/drivers/net/qede/base/ecore_dev_api.h +++ b/drivers/net/qede/base/ecore_dev_api.h @@ -377,6 +377,7 @@ struct ecore_eth_stats_common { u64 tx_mac_mc_packets; u64 tx_mac_bc_packets; u64 tx_mac_ctrl_frames; + u64 link_change_count; }; struct ecore_eth_stats_bb { diff --git a/drivers/net/qede/base/ecore_l2.c b/drivers/net/qede/base/ecore_l2.c index bbcbbd0..0883fd3 100644 --- a/drivers/net/qede/base/ecore_l2.c +++ b/drivers/net/qede/base/ecore_l2.c @@ -1948,6 +1948,11 @@ static void __ecore_get_vport_port_stats(struct ecore_hwfn *p_hwfn, p_ah->tx_1519_to_max_byte_packets = port_stats.eth.u1.ah1.t1519_to_max; } + + p_common->link_change_count = ecore_rd(p_hwfn, p_ptt, + p_hwfn->mcp_info->port_addr + + OFFSETOF(struct public_port, + link_change_count)); } void __ecore_get_vport_stats(struct ecore_hwfn *p_hwfn, @@ -2064,11 +2069,14 @@ void ecore_reset_vport_stats(struct ecore_dev *p_dev) /* 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 (!p_dev->reset_stats) DP_INFO(p_dev, "Reset stats not allocated\n"); - else + else { _ecore_get_vport_stats(p_dev, p_dev->reset_stats); + p_dev->reset_stats->common.link_change_count = 0; + } } void ecore_arfs_mode_configure(struct ecore_hwfn *p_hwfn, -- 1.7.10.3