Driver already has an internal counter for number of times a given queue had to be stopped due to Tx ring exhaustion. This add the counter to the statistics presented by driver, e.g., by using `ethtool -S'.
Signed-off-by: Yuval Mintz <[email protected]> --- drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c index d84efcd..1dc77ac 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c @@ -52,7 +52,7 @@ static const struct { { Q_STATS_OFFSET32(rx_skb_alloc_failed), 4, "[%s]: rx_skb_alloc_discard" }, { Q_STATS_OFFSET32(hw_csum_err), 4, "[%s]: rx_csum_offload_errors" }, - + { Q_STATS_OFFSET32(driver_xoff), 4, "[%s]: tx_exhaustion_events" }, { Q_STATS_OFFSET32(total_bytes_transmitted_hi), 8, "[%s]: tx_bytes" }, /* 10 */{ Q_STATS_OFFSET32(total_unicast_packets_transmitted_hi), 8, "[%s]: tx_ucast_packets" }, @@ -128,7 +128,8 @@ static const struct { 4, STATS_FLAGS_BOTH, "rx_skb_alloc_discard" }, { STATS_OFFSET32(hw_csum_err), 4, STATS_FLAGS_BOTH, "rx_csum_offload_errors" }, - + { STATS_OFFSET32(driver_xoff), + 4, STATS_FLAGS_BOTH, "tx_exhaustion_events" }, { STATS_OFFSET32(total_bytes_transmitted_hi), 8, STATS_FLAGS_BOTH, "tx_bytes" }, { STATS_OFFSET32(tx_stat_ifhcoutbadoctets_hi), -- 1.9.3 -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
