diff options
author | Michael Chan <michael.chan@broadcom.com> | 2020-07-27 11:40:44 +0200 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2020-07-27 20:47:33 +0200 |
commit | a0c30621c28c6d8e9c572cd6139881f15c806792 (patch) | |
tree | 523373c3e16d517995127c79c0dc962d1fc6d0e7 /drivers/net/ethernet/broadcom | |
parent | bnxt_en: Accumulate all counters. (diff) | |
download | linux-a0c30621c28c6d8e9c572cd6139881f15c806792.tar.xz linux-a0c30621c28c6d8e9c572cd6139881f15c806792.zip |
bnxt_en: Switch over to use the 64-bit software accumulated counters.
Now we can report all the full 64-bit CPU endian software accumulated
counters instead of the hw counters, some of which may be less than
64-bit wide. Define the necessary macros to access the software
counters.
Reviewed-by: Vasundhara Volam <vasundhara-v.volam@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/broadcom')
-rw-r--r-- | drivers/net/ethernet/broadcom/bnxt/bnxt.c | 67 | ||||
-rw-r--r-- | drivers/net/ethernet/broadcom/bnxt/bnxt.h | 9 | ||||
-rw-r--r-- | drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c | 41 |
3 files changed, 64 insertions, 53 deletions
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c index 44ef3ba1b49e..1fc263ba34b1 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c @@ -9799,34 +9799,33 @@ static void bnxt_get_ring_stats(struct bnxt *bp, { int i; - for (i = 0; i < bp->cp_nr_rings; i++) { struct bnxt_napi *bnapi = bp->bnapi[i]; struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring; - struct ctx_hw_stats *hw_stats = cpr->stats.hw_stats; + u64 *sw = cpr->stats.sw_stats; - stats->rx_packets += le64_to_cpu(hw_stats->rx_ucast_pkts); - stats->rx_packets += le64_to_cpu(hw_stats->rx_mcast_pkts); - stats->rx_packets += le64_to_cpu(hw_stats->rx_bcast_pkts); + stats->rx_packets += BNXT_GET_RING_STATS64(sw, rx_ucast_pkts); + stats->rx_packets += BNXT_GET_RING_STATS64(sw, rx_mcast_pkts); + stats->rx_packets += BNXT_GET_RING_STATS64(sw, rx_bcast_pkts); - stats->tx_packets += le64_to_cpu(hw_stats->tx_ucast_pkts); - stats->tx_packets += le64_to_cpu(hw_stats->tx_mcast_pkts); - stats->tx_packets += le64_to_cpu(hw_stats->tx_bcast_pkts); + stats->tx_packets += BNXT_GET_RING_STATS64(sw, tx_ucast_pkts); + stats->tx_packets += BNXT_GET_RING_STATS64(sw, tx_mcast_pkts); + stats->tx_packets += BNXT_GET_RING_STATS64(sw, tx_bcast_pkts); - stats->rx_bytes += le64_to_cpu(hw_stats->rx_ucast_bytes); - stats->rx_bytes += le64_to_cpu(hw_stats->rx_mcast_bytes); - stats->rx_bytes += le64_to_cpu(hw_stats->rx_bcast_bytes); + stats->rx_bytes += BNXT_GET_RING_STATS64(sw, rx_ucast_bytes); + stats->rx_bytes += BNXT_GET_RING_STATS64(sw, rx_mcast_bytes); + stats->rx_bytes += BNXT_GET_RING_STATS64(sw, rx_bcast_bytes); - stats->tx_bytes += le64_to_cpu(hw_stats->tx_ucast_bytes); - stats->tx_bytes += le64_to_cpu(hw_stats->tx_mcast_bytes); - stats->tx_bytes += le64_to_cpu(hw_stats->tx_bcast_bytes); + stats->tx_bytes += BNXT_GET_RING_STATS64(sw, tx_ucast_bytes); + stats->tx_bytes += BNXT_GET_RING_STATS64(sw, tx_mcast_bytes); + stats->tx_bytes += BNXT_GET_RING_STATS64(sw, tx_bcast_bytes); stats->rx_missed_errors += - le64_to_cpu(hw_stats->rx_discard_pkts); + BNXT_GET_RING_STATS64(sw, rx_discard_pkts); - stats->multicast += le64_to_cpu(hw_stats->rx_mcast_pkts); + stats->multicast += BNXT_GET_RING_STATS64(sw, rx_mcast_pkts); - stats->tx_dropped += le64_to_cpu(hw_stats->tx_error_pkts); + stats->tx_dropped += BNXT_GET_RING_STATS64(sw, tx_error_pkts); } } @@ -9864,20 +9863,26 @@ bnxt_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *stats) bnxt_add_prev_stats(bp, stats); if (bp->flags & BNXT_FLAG_PORT_STATS) { - struct rx_port_stats *rx = bp->port_stats.hw_stats; - struct tx_port_stats *tx = bp->port_stats.hw_stats + - BNXT_TX_PORT_STATS_BYTE_OFFSET; - - stats->rx_crc_errors = le64_to_cpu(rx->rx_fcs_err_frames); - stats->rx_frame_errors = le64_to_cpu(rx->rx_align_err_frames); - stats->rx_length_errors = le64_to_cpu(rx->rx_undrsz_frames) + - le64_to_cpu(rx->rx_ovrsz_frames) + - le64_to_cpu(rx->rx_runt_frames); - stats->rx_errors = le64_to_cpu(rx->rx_false_carrier_frames) + - le64_to_cpu(rx->rx_jbr_frames); - stats->collisions = le64_to_cpu(tx->tx_total_collisions); - stats->tx_fifo_errors = le64_to_cpu(tx->tx_fifo_underruns); - stats->tx_errors = le64_to_cpu(tx->tx_err); + u64 *rx = bp->port_stats.sw_stats; + u64 *tx = bp->port_stats.sw_stats + + BNXT_TX_PORT_STATS_BYTE_OFFSET / 8; + + stats->rx_crc_errors = + BNXT_GET_RX_PORT_STATS64(rx, rx_fcs_err_frames); + stats->rx_frame_errors = + BNXT_GET_RX_PORT_STATS64(rx, rx_align_err_frames); + stats->rx_length_errors = + BNXT_GET_RX_PORT_STATS64(rx, rx_undrsz_frames) + + BNXT_GET_RX_PORT_STATS64(rx, rx_ovrsz_frames) + + BNXT_GET_RX_PORT_STATS64(rx, rx_runt_frames); + stats->rx_errors = + BNXT_GET_RX_PORT_STATS64(rx, rx_false_carrier_frames) + + BNXT_GET_RX_PORT_STATS64(rx, rx_jbr_frames); + stats->collisions = + BNXT_GET_TX_PORT_STATS64(tx, tx_total_collisions); + stats->tx_fifo_errors = + BNXT_GET_TX_PORT_STATS64(tx, tx_fifo_underruns); + stats->tx_errors = BNXT_GET_TX_PORT_STATS64(tx, tx_err); } clear_bit(BNXT_STATE_READ_STATS, &bp->state); } diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.h b/drivers/net/ethernet/broadcom/bnxt/bnxt.h index 44c7812c525c..0c9b79b765ae 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.h +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.h @@ -1928,6 +1928,15 @@ struct bnxt { struct device *hwmon_dev; }; +#define BNXT_GET_RING_STATS64(sw, counter) \ + (*((sw) + offsetof(struct ctx_hw_stats, counter) / 8)) + +#define BNXT_GET_RX_PORT_STATS64(sw, counter) \ + (*((sw) + offsetof(struct rx_port_stats, counter) / 8)) + +#define BNXT_GET_TX_PORT_STATS64(sw, counter) \ + (*((sw) + offsetof(struct tx_port_stats, counter) / 8)) + #define BNXT_PORT_STATS_SIZE \ (sizeof(struct rx_port_stats) + sizeof(struct tx_port_stats) + 1024) diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c index ae89f507677d..5fd3e92fad85 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c @@ -559,20 +559,19 @@ static void bnxt_get_ethtool_stats(struct net_device *dev, for (i = 0; i < bp->cp_nr_rings; i++) { struct bnxt_napi *bnapi = bp->bnapi[i]; struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring; - struct ctx_hw_stats *hw = cpr->stats.hw_stats; - __le64 *hw_stats = cpr->stats.hw_stats; + u64 *sw_stats = cpr->stats.sw_stats; u64 *sw; int k; if (is_rx_ring(bp, i)) { for (k = 0; k < NUM_RING_RX_HW_STATS; j++, k++) - buf[j] = le64_to_cpu(hw_stats[k]); + buf[j] = sw_stats[k]; } if (is_tx_ring(bp, i)) { k = NUM_RING_RX_HW_STATS; for (; k < NUM_RING_RX_HW_STATS + NUM_RING_TX_HW_STATS; j++, k++) - buf[j] = le64_to_cpu(hw_stats[k]); + buf[j] = sw_stats[k]; } if (!tpa_stats || !is_rx_ring(bp, i)) goto skip_tpa_ring_stats; @@ -580,7 +579,7 @@ static void bnxt_get_ethtool_stats(struct net_device *dev, k = NUM_RING_RX_HW_STATS + NUM_RING_TX_HW_STATS; for (; k < NUM_RING_RX_HW_STATS + NUM_RING_TX_HW_STATS + tpa_stats; j++, k++) - buf[j] = le64_to_cpu(hw_stats[k]); + buf[j] = sw_stats[k]; skip_tpa_ring_stats: sw = (u64 *)&cpr->sw_stats.rx; @@ -594,9 +593,9 @@ skip_tpa_ring_stats: buf[j] = sw[k]; bnxt_sw_func_stats[RX_TOTAL_DISCARDS].counter += - le64_to_cpu(hw->rx_discard_pkts); + BNXT_GET_RING_STATS64(sw_stats, rx_discard_pkts); bnxt_sw_func_stats[TX_TOTAL_DISCARDS].counter += - le64_to_cpu(hw->tx_discard_pkts); + BNXT_GET_RING_STATS64(sw_stats, tx_discard_pkts); } for (i = 0; i < BNXT_NUM_SW_FUNC_STATS; i++, j++) @@ -604,49 +603,47 @@ skip_tpa_ring_stats: skip_ring_stats: if (bp->flags & BNXT_FLAG_PORT_STATS) { - __le64 *port_stats = bp->port_stats.hw_stats; + u64 *port_stats = bp->port_stats.sw_stats; - for (i = 0; i < BNXT_NUM_PORT_STATS; i++, j++) { - buf[j] = le64_to_cpu(*(port_stats + - bnxt_port_stats_arr[i].offset)); - } + for (i = 0; i < BNXT_NUM_PORT_STATS; i++, j++) + buf[j] = *(port_stats + bnxt_port_stats_arr[i].offset); } if (bp->flags & BNXT_FLAG_PORT_STATS_EXT) { - __le64 *rx_port_stats_ext = bp->rx_port_stats_ext.hw_stats; - __le64 *tx_port_stats_ext = bp->tx_port_stats_ext.hw_stats; + u64 *rx_port_stats_ext = bp->rx_port_stats_ext.sw_stats; + u64 *tx_port_stats_ext = bp->tx_port_stats_ext.sw_stats; for (i = 0; i < bp->fw_rx_stats_ext_size; i++, j++) { - buf[j] = le64_to_cpu(*(rx_port_stats_ext + - bnxt_port_stats_ext_arr[i].offset)); + buf[j] = *(rx_port_stats_ext + + bnxt_port_stats_ext_arr[i].offset); } for (i = 0; i < bp->fw_tx_stats_ext_size; i++, j++) { - buf[j] = le64_to_cpu(*(tx_port_stats_ext + - bnxt_tx_port_stats_ext_arr[i].offset)); + buf[j] = *(tx_port_stats_ext + + bnxt_tx_port_stats_ext_arr[i].offset); } if (bp->pri2cos_valid) { for (i = 0; i < 8; i++, j++) { long n = bnxt_rx_bytes_pri_arr[i].base_off + bp->pri2cos_idx[i]; - buf[j] = le64_to_cpu(*(rx_port_stats_ext + n)); + buf[j] = *(rx_port_stats_ext + n); } for (i = 0; i < 8; i++, j++) { long n = bnxt_rx_pkts_pri_arr[i].base_off + bp->pri2cos_idx[i]; - buf[j] = le64_to_cpu(*(rx_port_stats_ext + n)); + buf[j] = *(rx_port_stats_ext + n); } for (i = 0; i < 8; i++, j++) { long n = bnxt_tx_bytes_pri_arr[i].base_off + bp->pri2cos_idx[i]; - buf[j] = le64_to_cpu(*(tx_port_stats_ext + n)); + buf[j] = *(tx_port_stats_ext + n); } for (i = 0; i < 8; i++, j++) { long n = bnxt_tx_pkts_pri_arr[i].base_off + bp->pri2cos_idx[i]; - buf[j] = le64_to_cpu(*(tx_port_stats_ext + n)); + buf[j] = *(tx_port_stats_ext + n); } } } |