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Message-ID: <a9839652-1dac-0ff4-a9a6-84d69d1a4f3d@pensando.io>
Date: Thu, 11 Mar 2021 09:19:18 -0800
From: Shannon Nelson <snelson@...sando.io>
To: Alexander Duyck <alexander.duyck@...il.com>, kuba@...nel.org
Cc: netdev@...r.kernel.org, oss-drivers@...ronome.com,
simon.horman@...ronome.com, yisen.zhuang@...wei.com,
salil.mehta@...wei.com, intel-wired-lan@...ts.osuosl.org,
jesse.brandeburg@...el.com, anthony.l.nguyen@...el.com,
drivers@...sando.io, netanel@...zon.com, akiyano@...zon.com,
gtzalik@...zon.com, saeedb@...zon.com,
GR-Linux-NIC-Dev@...vell.com, skalluru@...vell.com,
rmody@...vell.com, kys@...rosoft.com, haiyangz@...rosoft.com,
sthemmin@...rosoft.com, wei.liu@...nel.org, mst@...hat.com,
jasowang@...hat.com, pv-drivers@...are.com, doshir@...are.com,
alexanderduyck@...com
Subject: Re: [RFC PATCH 10/10] ionic: Update driver to use ethtool_gsprintf
On 3/10/21 5:36 PM, Alexander Duyck wrote:
> From: Alexander Duyck <alexanderduyck@...com>
>
> Update the ionic driver to make use of ethtool_gsprintf. In addition add
> separate functions for Tx/Rx stats strings in order to reduce the total
> amount of indenting needed in the driver code.
>
> Signed-off-by: Alexander Duyck <alexanderduyck@...com>
Thanks, Alex!
Acked-by: Shannon Nelson <snelson@...sando.io>
> ---
> drivers/net/ethernet/pensando/ionic/ionic_stats.c | 145 +++++++++------------
> 1 file changed, 60 insertions(+), 85 deletions(-)
>
> diff --git a/drivers/net/ethernet/pensando/ionic/ionic_stats.c b/drivers/net/ethernet/pensando/ionic/ionic_stats.c
> index 6ae75b771a15..1dac960386df 100644
> --- a/drivers/net/ethernet/pensando/ionic/ionic_stats.c
> +++ b/drivers/net/ethernet/pensando/ionic/ionic_stats.c
> @@ -246,98 +246,73 @@ static u64 ionic_sw_stats_get_count(struct ionic_lif *lif)
> return total;
> }
>
> +static void ionic_sw_stats_get_tx_strings(struct ionic_lif *lif, u8 **buf,
> + int q_num)
> +{
> + int i;
> +
> + for (i = 0; i < IONIC_NUM_TX_STATS; i++)
> + ethtool_gsprintf(buf, "tx_%d_%s", q_num,
> + ionic_tx_stats_desc[i].name);
> +
> + if (!test_bit(IONIC_LIF_F_UP, lif->state) ||
> + !test_bit(IONIC_LIF_F_SW_DEBUG_STATS, lif->state))
> + return;
> +
> + for (i = 0; i < IONIC_NUM_TX_Q_STATS; i++)
> + ethtool_gsprintf(buf, "txq_%d_%s", q_num,
> + ionic_txq_stats_desc[i].name);
> + for (i = 0; i < IONIC_NUM_DBG_CQ_STATS; i++)
> + ethtool_gsprintf(buf, "txq_%d_cq_%s", q_num,
> + ionic_dbg_cq_stats_desc[i].name);
> + for (i = 0; i < IONIC_NUM_DBG_INTR_STATS; i++)
> + ethtool_gsprintf(buf, "txq_%d_intr_%s", q_num,
> + ionic_dbg_intr_stats_desc[i].name);
> + for (i = 0; i < IONIC_MAX_NUM_SG_CNTR; i++)
> + ethtool_gsprintf(buf, "txq_%d_sg_cntr_%d", q_num, i);
> +}
> +
> +static void ionic_sw_stats_get_rx_strings(struct ionic_lif *lif, u8 **buf,
> + int q_num)
> +{
> + int i;
> +
> + for (i = 0; i < IONIC_NUM_RX_STATS; i++)
> + ethtool_gsprintf(buf, "rx_%d_%s", q_num,
> + ionic_rx_stats_desc[i].name);
> +
> + if (!test_bit(IONIC_LIF_F_UP, lif->state) ||
> + !test_bit(IONIC_LIF_F_SW_DEBUG_STATS, lif->state))
> + return;
> +
> + for (i = 0; i < IONIC_NUM_DBG_CQ_STATS; i++)
> + ethtool_gsprintf(buf, "rxq_%d_cq_%s", q_num,
> + ionic_dbg_cq_stats_desc[i].name);
> + for (i = 0; i < IONIC_NUM_DBG_INTR_STATS; i++)
> + ethtool_gsprintf(buf, "rxq_%d_intr_%s", q_num,
> + ionic_dbg_intr_stats_desc[i].name);
> + for (i = 0; i < IONIC_NUM_DBG_NAPI_STATS; i++)
> + ethtool_gsprintf(buf, "rxq_%d_napi_%s", q_num,
> + ionic_dbg_napi_stats_desc[i].name);
> + for (i = 0; i < IONIC_MAX_NUM_NAPI_CNTR; i++)
> + ethtool_gsprintf(buf, "rxq_%d_napi_work_done_%d", q_num, i);
> +}
> +
> static void ionic_sw_stats_get_strings(struct ionic_lif *lif, u8 **buf)
> {
> int i, q_num;
>
> - for (i = 0; i < IONIC_NUM_LIF_STATS; i++) {
> - snprintf(*buf, ETH_GSTRING_LEN, ionic_lif_stats_desc[i].name);
> - *buf += ETH_GSTRING_LEN;
> - }
> + for (i = 0; i < IONIC_NUM_LIF_STATS; i++)
> + ethtool_gsprintf(buf, ionic_lif_stats_desc[i].name);
>
> - for (i = 0; i < IONIC_NUM_PORT_STATS; i++) {
> - snprintf(*buf, ETH_GSTRING_LEN,
> - ionic_port_stats_desc[i].name);
> - *buf += ETH_GSTRING_LEN;
> - }
> + for (i = 0; i < IONIC_NUM_PORT_STATS; i++)
> + ethtool_gsprintf(buf, ionic_port_stats_desc[i].name);
>
> - for (q_num = 0; q_num < MAX_Q(lif); q_num++) {
> - for (i = 0; i < IONIC_NUM_TX_STATS; i++) {
> - snprintf(*buf, ETH_GSTRING_LEN, "tx_%d_%s",
> - q_num, ionic_tx_stats_desc[i].name);
> - *buf += ETH_GSTRING_LEN;
> - }
> + for (q_num = 0; q_num < MAX_Q(lif); q_num++)
> + ionic_sw_stats_get_tx_strings(lif, buf, q_num);
>
> - if (test_bit(IONIC_LIF_F_UP, lif->state) &&
> - test_bit(IONIC_LIF_F_SW_DEBUG_STATS, lif->state)) {
> - for (i = 0; i < IONIC_NUM_TX_Q_STATS; i++) {
> - snprintf(*buf, ETH_GSTRING_LEN,
> - "txq_%d_%s",
> - q_num,
> - ionic_txq_stats_desc[i].name);
> - *buf += ETH_GSTRING_LEN;
> - }
> - for (i = 0; i < IONIC_NUM_DBG_CQ_STATS; i++) {
> - snprintf(*buf, ETH_GSTRING_LEN,
> - "txq_%d_cq_%s",
> - q_num,
> - ionic_dbg_cq_stats_desc[i].name);
> - *buf += ETH_GSTRING_LEN;
> - }
> - for (i = 0; i < IONIC_NUM_DBG_INTR_STATS; i++) {
> - snprintf(*buf, ETH_GSTRING_LEN,
> - "txq_%d_intr_%s",
> - q_num,
> - ionic_dbg_intr_stats_desc[i].name);
> - *buf += ETH_GSTRING_LEN;
> - }
> - for (i = 0; i < IONIC_MAX_NUM_SG_CNTR; i++) {
> - snprintf(*buf, ETH_GSTRING_LEN,
> - "txq_%d_sg_cntr_%d",
> - q_num, i);
> - *buf += ETH_GSTRING_LEN;
> - }
> - }
> - }
> - for (q_num = 0; q_num < MAX_Q(lif); q_num++) {
> - for (i = 0; i < IONIC_NUM_RX_STATS; i++) {
> - snprintf(*buf, ETH_GSTRING_LEN,
> - "rx_%d_%s",
> - q_num, ionic_rx_stats_desc[i].name);
> - *buf += ETH_GSTRING_LEN;
> - }
> -
> - if (test_bit(IONIC_LIF_F_UP, lif->state) &&
> - test_bit(IONIC_LIF_F_SW_DEBUG_STATS, lif->state)) {
> - for (i = 0; i < IONIC_NUM_DBG_CQ_STATS; i++) {
> - snprintf(*buf, ETH_GSTRING_LEN,
> - "rxq_%d_cq_%s",
> - q_num,
> - ionic_dbg_cq_stats_desc[i].name);
> - *buf += ETH_GSTRING_LEN;
> - }
> - for (i = 0; i < IONIC_NUM_DBG_INTR_STATS; i++) {
> - snprintf(*buf, ETH_GSTRING_LEN,
> - "rxq_%d_intr_%s",
> - q_num,
> - ionic_dbg_intr_stats_desc[i].name);
> - *buf += ETH_GSTRING_LEN;
> - }
> - for (i = 0; i < IONIC_NUM_DBG_NAPI_STATS; i++) {
> - snprintf(*buf, ETH_GSTRING_LEN,
> - "rxq_%d_napi_%s",
> - q_num,
> - ionic_dbg_napi_stats_desc[i].name);
> - *buf += ETH_GSTRING_LEN;
> - }
> - for (i = 0; i < IONIC_MAX_NUM_NAPI_CNTR; i++) {
> - snprintf(*buf, ETH_GSTRING_LEN,
> - "rxq_%d_napi_work_done_%d",
> - q_num, i);
> - *buf += ETH_GSTRING_LEN;
> - }
> - }
> - }
> + for (q_num = 0; q_num < MAX_Q(lif); q_num++)
> + ionic_sw_stats_get_rx_strings(lif, buf, q_num);
> }
>
> static void ionic_sw_stats_get_values(struct ionic_lif *lif, u64 **buf)
>
>
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