提交 eaef62a4 编写于 作者: Q Quan Nguyen 提交者: David S. Miller

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: NQuan Nguyen <qnguyen@apm.com>
Signed-off-by: NIyappan Subramanian <isubramanian@apm.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
上级 a844e7d1
......@@ -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)
......
......@@ -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++;
}
}
......
......@@ -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 */
......
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