Commit 8becd196 authored by Michael Chan's avatar Michael Chan Committed by Jakub Kicinski
Browse files

bnxt_en: Add tx_resets ring counter 

Add a new tx_resets ring counter.  This counter will be saved as
tx_total_resets across any reset.  Since we currently do a full reset
in bnxt_sched_reset_txr(), the per ring counter will always be cleared
during reset.  Only the tx_total_resets count will be meaningful and we
only display this under ethtool -S.

Link: https://lore.kernel.org/netdev/CACKFLimD-bKmJ1tGZOLYRjWzEwxkri-Mw7iFme1x2Dr0twdCeg@mail.gmail.com/


Signed-off-by: default avatarMichael Chan <michael.chan@broadcom.com>
Link: https://lore.kernel.org/r/20230817231911.165035-7-michael.chan@broadcom.com


Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent a080b47a

drivers/net/ethernet/broadcom/bnxt/bnxt.c

+3 −0
Original line number Diff line number Diff line
@@ -9397,6 +9397,8 @@ static void bnxt_disable_napi(struct bnxt *bp) 
		struct bnxt_cp_ring_info *cpr;



		cpr = &bnapi->cp_ring;

		if (bnapi->tx_fault)

			cpr->sw_stats.tx.tx_resets++;

		if (bnapi->in_reset)

			cpr->sw_stats.rx.rx_resets++;

		napi_disable(&bnapi->napi);
@@ -10951,6 +10953,7 @@ static void bnxt_get_one_ring_err_stats(struct bnxt *bp, 
	stats->rx_total_netpoll_discards += sw_stats->rx.rx_netpoll_discards;

	stats->rx_total_ring_discards +=

		BNXT_GET_RING_STATS64(hw_stats, rx_discard_pkts);

	stats->tx_total_resets += sw_stats->tx.tx_resets;

	stats->tx_total_ring_discards +=

		BNXT_GET_RING_STATS64(hw_stats, tx_discard_pkts);

	stats->total_missed_irqs += sw_stats->cmn.missed_irqs;

drivers/net/ethernet/broadcom/bnxt/bnxt.h

+6 −0
Original line number Diff line number Diff line
@@ -939,12 +939,17 @@ struct bnxt_rx_sw_stats { 
	u64			rx_netpoll_discards;

};



struct bnxt_tx_sw_stats {

	u64			tx_resets;

};



struct bnxt_cmn_sw_stats {

	u64			missed_irqs;

};



struct bnxt_sw_stats {

	struct bnxt_rx_sw_stats rx;

	struct bnxt_tx_sw_stats tx;

	struct bnxt_cmn_sw_stats cmn;

};
@@ -955,6 +960,7 @@ struct bnxt_total_ring_err_stats { 
	u64			rx_total_oom_discards;

	u64			rx_total_netpoll_discards;

	u64			rx_total_ring_discards;

	u64			tx_total_resets;

	u64			tx_total_ring_discards;

	u64			total_missed_irqs;

};

drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c

+1 −0
Original line number Diff line number Diff line
@@ -346,6 +346,7 @@ static const char *const bnxt_ring_err_stats_arr[] = { 
	"rx_total_oom_discards",

	"rx_total_netpoll_discards",

	"rx_total_ring_discards",

	"tx_total_resets",

	"tx_total_ring_discards",

	"total_missed_irqs",

};