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bnxt_en: Support TPA counters on 57500 chips.

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Support the new expanded TPA v2 counters on 57500 B0 chips for
ethtool -S.

Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Michael Chan 2019-07-29 06:10:30 -04:00 committed by David S. Miller
parent 4e74850663
commit 78e7b86605
1 changed files with 31 additions and 10 deletions
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41
drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c
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@ -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 @@ static void bnxt_get_ethtool_stats(struct net_device *dev,
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: