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authorQuan Nguyen <qnguyen@apm.com>2017-05-10 13:45:08 -0700
committerDavid S. Miller <davem@davemloft.net>2017-05-16 11:41:10 -0400
commiteaef62a42db15f2833c9e6af18067b02b6089336 (patch)
tree54c6409524c65c20e21d349369d6b29640b94b18 /drivers/net/ethernet/apm
parentdrivers: net: xgene: Workaround for HW errata 10GE_4 (diff)
downloadlinux-dev-eaef62a42db15f2833c9e6af18067b02b6089336.tar.xz
linux-dev-eaef62a42db15f2833c9e6af18067b02b6089336.zip
drivers: net: xgene: Add frame recovered statistics counter for errata 10GE_8/ENET_11
This patch adds statistic counter for frames recovered from HW errata 10GE_8 and ENET_11: "HW reports Length error for valid 64 byte frames with len <46 bytes". Signed-off-by: Quan Nguyen <qnguyen@apm.com> Signed-off-by: Iyappan Subramanian <isubramanian@apm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/apm')
-rw-r--r--drivers/net/ethernet/apm/xgene/xgene_enet_ethtool.c9
-rw-r--r--drivers/net/ethernet/apm/xgene/xgene_enet_main.c2
-rw-r--r--drivers/net/ethernet/apm/xgene/xgene_enet_main.h1
3 files changed, 10 insertions, 2 deletions
diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_ethtool.c b/drivers/net/ethernet/apm/xgene/xgene_enet_ethtool.c
index 6b2a4b917c10..5c2c84a8b690 100644
--- a/drivers/net/ethernet/apm/xgene/xgene_enet_ethtool.c
+++ b/drivers/net/ethernet/apm/xgene/xgene_enet_ethtool.c
@@ -64,6 +64,7 @@ static const struct xgene_gstrings_stats gstrings_extd_stats[] = {
XGENE_EXTD_STAT(rx_unk_opcode_cntr, RXUO, 16),
XGENE_EXTD_STAT(rx_align_err_cntr, RALN, 16),
XGENE_EXTD_STAT(rx_frame_len_err_cntr, RFLR, 16),
+ XGENE_EXTD_STAT(rx_frame_len_err_recov_cntr, DUMP, 0),
XGENE_EXTD_STAT(rx_code_err_cntr, RCDE, 16),
XGENE_EXTD_STAT(rx_carrier_sense_err_cntr, RCSE, 16),
XGENE_EXTD_STAT(rx_undersize_pkt_cntr, RUND, 16),
@@ -95,8 +96,9 @@ static const struct xgene_gstrings_stats gstrings_extd_stats[] = {
#define XGENE_STATS_LEN ARRAY_SIZE(gstrings_stats)
#define XGENE_EXTD_STATS_LEN ARRAY_SIZE(gstrings_extd_stats)
-#define RX_OVERRUN_IDX 22
-#define TX_UNDERRUN_IDX 41
+#define FALSE_RFLR_IDX 15
+#define RX_OVERRUN_IDX 23
+#define TX_UNDERRUN_IDX 42
static void xgene_get_drvinfo(struct net_device *ndev,
struct ethtool_drvinfo *info)
@@ -229,6 +231,9 @@ static void xgene_get_extd_stats(struct xgene_enet_pdata *pdata)
pdata->mac_ops->get_drop_cnt(pdata, &rx_drop, &tx_drop);
pdata->extd_stats[RX_OVERRUN_IDX] += rx_drop;
pdata->extd_stats[TX_UNDERRUN_IDX] += tx_drop;
+
+ /* Errata 10GE_8 - Update Frame recovered from Errata 10GE_8/ENET_11 */
+ pdata->extd_stats[FALSE_RFLR_IDX] = pdata->false_rflr;
}
int xgene_extd_stats_init(struct xgene_enet_pdata *pdata)
diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_main.c b/drivers/net/ethernet/apm/xgene/xgene_enet_main.c
index bd2486e30653..c2d38da88084 100644
--- a/drivers/net/ethernet/apm/xgene/xgene_enet_main.c
+++ b/drivers/net/ethernet/apm/xgene/xgene_enet_main.c
@@ -712,6 +712,8 @@ static int xgene_enet_rx_frame(struct xgene_enet_desc_ring *rx_ring,
xgene_enet_parse_error(rx_ring, status);
rx_ring->rx_dropped++;
goto out;
+ } else {
+ pdata->false_rflr++;
}
}
diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_main.h b/drivers/net/ethernet/apm/xgene/xgene_enet_main.h
index cabe54edb17c..0f5f0b07c482 100644
--- a/drivers/net/ethernet/apm/xgene/xgene_enet_main.h
+++ b/drivers/net/ethernet/apm/xgene/xgene_enet_main.h
@@ -224,6 +224,7 @@ struct xgene_enet_pdata {
enum xgene_enet_rm rm;
struct xgene_enet_cle cle;
u64 *extd_stats;
+ u64 false_rflr;
spinlock_t stats_lock; /* statistics lock */
const struct xgene_mac_ops *mac_ops;
spinlock_t mac_lock; /* mac lock */