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authorEdward Cree <ecree@solarflare.com>2016-08-26 14:12:41 (GMT)
committerDavid S. Miller <davem@davemloft.net>2016-08-27 04:43:51 (GMT)
commit69b365c360243e18ec7c2577c14ff057c091cd77 (patch)
tree86628d1b8fd59d03f6ae7ac7e22f6c1fed16c2ec
parent5b79135af3b884c597d9bf3df404a397b5579c63 (diff)
downloadlinux-69b365c360243e18ec7c2577c14ff057c091cd77.tar.xz
sfc: include size-binned TX stats on sfn8542q
TX size bins were not supported on the 7000's 40G MAC, but the 8000 series does support them and the MCPU advertises that via a new capability bit. Signed-off-by: Edward Cree <ecree@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--drivers/net/ethernet/sfc/ef10.c16
1 files changed, 11 insertions, 5 deletions
diff --git a/drivers/net/ethernet/sfc/ef10.c b/drivers/net/ethernet/sfc/ef10.c
index 2a70b1a..d039f29 100644
--- a/drivers/net/ethernet/sfc/ef10.c
+++ b/drivers/net/ethernet/sfc/ef10.c
@@ -1533,9 +1533,10 @@ static const struct efx_hw_stat_desc efx_ef10_stat_desc[EF10_STAT_COUNT] = {
(1ULL << GENERIC_STAT_rx_nodesc_trunc) | \
(1ULL << GENERIC_STAT_rx_noskb_drops))
-/* These statistics are only provided by the 10G MAC. For a 10G/40G
- * switchable port we do not expose these because they might not
- * include all the packets they should.
+/* On 7000 series NICs, these statistics are only provided by the 10G MAC.
+ * For a 10G/40G switchable port we do not expose these because they might
+ * not include all the packets they should.
+ * On 8000 series NICs these statistics are always provided.
*/
#define HUNT_10G_ONLY_STAT_MASK ((1ULL << EF10_STAT_port_tx_control) | \
(1ULL << EF10_STAT_port_tx_lt64) | \
@@ -1581,10 +1582,15 @@ static u64 efx_ef10_raw_stat_mask(struct efx_nic *efx)
1 << MC_CMD_DRV_ATTACH_EXT_OUT_FLAG_LINKCTRL))
return 0;
- if (port_caps & (1 << MC_CMD_PHY_CAP_40000FDX_LBN))
+ if (port_caps & (1 << MC_CMD_PHY_CAP_40000FDX_LBN)) {
raw_mask |= HUNT_40G_EXTRA_STAT_MASK;
- else
+ /* 8000 series have everything even at 40G */
+ if (nic_data->datapath_caps2 &
+ (1 << MC_CMD_GET_CAPABILITIES_V2_OUT_MAC_STATS_40G_TX_SIZE_BINS_LBN))
+ raw_mask |= HUNT_10G_ONLY_STAT_MASK;
+ } else {
raw_mask |= HUNT_10G_ONLY_STAT_MASK;
+ }
if (nic_data->datapath_caps &
(1 << MC_CMD_GET_CAPABILITIES_OUT_PM_AND_RXDP_COUNTERS_LBN))