From 78e7b86605b460e8b40622d16d840f9276d58627 Mon Sep 17 00:00:00 2001 From: Michael Chan Date: Mon, 29 Jul 2019 06:10:30 -0400 Subject: bnxt_en: Support TPA counters on 57500 chips. Support the new expanded TPA v2 counters on 57500 B0 chips for ethtool -S. Signed-off-by: Michael Chan Signed-off-by: David S. Miller --- drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c | 41 +++++++++++++++++------ 1 file changed, 31 insertions(+), 10 deletions(-) (limited to 'drivers/net/ethernet') diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c index a3a7becce01c..3a3d8a9be5ed 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c @@ -163,6 +163,14 @@ static const char * const bnxt_ring_tpa_stats_str[] = { "tpa_aborts", }; +static const char * const bnxt_ring_tpa2_stats_str[] = { + "rx_tpa_eligible_pkt", + "rx_tpa_eligible_bytes", + "rx_tpa_pkt", + "rx_tpa_bytes", + "rx_tpa_errors", +}; + static const char * const bnxt_ring_sw_stats_str[] = { "rx_l4_csum_errors", "missed_irqs", @@ -461,14 +469,23 @@ static const struct { ARRAY_SIZE(bnxt_tx_pkts_pri_arr)) #define BNXT_NUM_PCIE_STATS ARRAY_SIZE(bnxt_pcie_stats_arr) +static int bnxt_get_num_tpa_ring_stats(struct bnxt *bp) +{ + if (BNXT_SUPPORTS_TPA(bp)) { + if (bp->max_tpa_v2) + return ARRAY_SIZE(bnxt_ring_tpa2_stats_str); + return ARRAY_SIZE(bnxt_ring_tpa_stats_str); + } + return 0; +} + static int bnxt_get_num_ring_stats(struct bnxt *bp) { int num_stats; num_stats = ARRAY_SIZE(bnxt_ring_stats_str) + - ARRAY_SIZE(bnxt_ring_sw_stats_str); - if (BNXT_SUPPORTS_TPA(bp)) - num_stats += ARRAY_SIZE(bnxt_ring_tpa_stats_str); + ARRAY_SIZE(bnxt_ring_sw_stats_str) + + bnxt_get_num_tpa_ring_stats(bp); return num_stats * bp->cp_nr_rings; } @@ -515,10 +532,8 @@ static void bnxt_get_ethtool_stats(struct net_device *dev, { u32 i, j = 0; struct bnxt *bp = netdev_priv(dev); - u32 stat_fields = ARRAY_SIZE(bnxt_ring_stats_str); - - if (BNXT_SUPPORTS_TPA(bp)) - stat_fields += ARRAY_SIZE(bnxt_ring_tpa_stats_str); + u32 stat_fields = ARRAY_SIZE(bnxt_ring_stats_str) + + bnxt_get_num_tpa_ring_stats(bp); if (!bp->bnapi) { j += bnxt_get_num_ring_stats(bp) + BNXT_NUM_SW_FUNC_STATS; @@ -609,6 +624,7 @@ skip_ring_stats: static void bnxt_get_strings(struct net_device *dev, u32 stringset, u8 *buf) { struct bnxt *bp = netdev_priv(dev); + static const char * const *str; u32 i, j, num_str; switch (stringset) { @@ -623,10 +639,15 @@ static void bnxt_get_strings(struct net_device *dev, u32 stringset, u8 *buf) if (!BNXT_SUPPORTS_TPA(bp)) goto skip_tpa_stats; - num_str = ARRAY_SIZE(bnxt_ring_tpa_stats_str); + if (bp->max_tpa_v2) { + num_str = ARRAY_SIZE(bnxt_ring_tpa2_stats_str); + str = bnxt_ring_tpa2_stats_str; + } else { + num_str = ARRAY_SIZE(bnxt_ring_tpa_stats_str); + str = bnxt_ring_tpa_stats_str; + } for (j = 0; j < num_str; j++) { - sprintf(buf, "[%d]: %s", i, - bnxt_ring_tpa_stats_str[j]); + sprintf(buf, "[%d]: %s", i, str[j]); buf += ETH_GSTRING_LEN; } skip_tpa_stats: -- cgit v1.2.3