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authorMichael Chan <michael.chan@broadcom.com>2019-07-29 13:10:30 +0300
committerDavid S. Miller <davem@davemloft.net>2019-07-30 00:19:09 +0300
commit78e7b86605b460e8b40622d16d840f9276d58627 (patch)
treea6a7e09a5b541af33ccf27b747f78006d8fc404b
parent4e7485066373f3e9a87fa063b65d0838990753e5 (diff)
downloadlinux-78e7b86605b460e8b40622d16d840f9276d58627.tar.xz
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 <michael.chan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c41
1 files changed, 31 insertions, 10 deletions
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: