diff options
| author |   Michael Chan <michael.chan@broadcom.com> | 2021-12-27 03:00:30 -0500 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2021-12-27 12:00:28 +0000 |
| commit | 3fcbdbd5d8d51d14ad5687a253990e89da9b7661 (patch) | |
| tree | eba9c7b4ef7fe83da89be8fa1db55b6b2cbfa722 /drivers/net/ethernet/broadcom/bnxt | |
| parent | bnxt_en: Support configurable CQE coalescing mode (diff) | |
| download | linux-dev-3fcbdbd5d8d51d14ad5687a253990e89da9b7661.tar.xz linux-dev-3fcbdbd5d8d51d14ad5687a253990e89da9b7661.zip | |
bnxt_en: Support CQE coalescing mode in ethtool
Support showing and setting the CQE mode in ethtool.
Reviewed-by: Edwin Peer <edwin.peer@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/bnxt')
| -rw-r--r-- | drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c | 24 |
1 files changed, 23 insertions, 1 deletions
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c index 15253396096a..46859d9a01eb 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c @@ -68,6 +68,9 @@ static int bnxt_get_coalesce(struct net_device *dev, coal->rx_max_coalesced_frames = hw_coal->coal_bufs / mult; coal->rx_coalesce_usecs_irq = hw_coal->coal_ticks_irq; coal->rx_max_coalesced_frames_irq = hw_coal->coal_bufs_irq / mult; + if (hw_coal->flags & + RING_CMPL_RING_CFG_AGGINT_PARAMS_REQ_FLAGS_TIMER_RESET) + kernel_coal->use_cqe_mode_rx = true; hw_coal = &bp->tx_coal; mult = hw_coal->bufs_per_record; @@ -75,6 +78,9 @@ static int bnxt_get_coalesce(struct net_device *dev, coal->tx_max_coalesced_frames = hw_coal->coal_bufs / mult; coal->tx_coalesce_usecs_irq = hw_coal->coal_ticks_irq; coal->tx_max_coalesced_frames_irq = hw_coal->coal_bufs_irq / mult; + if (hw_coal->flags & + RING_CMPL_RING_CFG_AGGINT_PARAMS_REQ_FLAGS_TIMER_RESET) + kernel_coal->use_cqe_mode_tx = true; coal->stats_block_coalesce_usecs = bp->stats_coal_ticks; @@ -101,12 +107,22 @@ static int bnxt_set_coalesce(struct net_device *dev, } } + if ((kernel_coal->use_cqe_mode_rx || kernel_coal->use_cqe_mode_tx) && + !(bp->coal_cap.cmpl_params & + RING_AGGINT_QCAPS_RESP_CMPL_PARAMS_TIMER_RESET)) + return -EOPNOTSUPP; + hw_coal = &bp->rx_coal; mult = hw_coal->bufs_per_record; hw_coal->coal_ticks = coal->rx_coalesce_usecs; hw_coal->coal_bufs = coal->rx_max_coalesced_frames * mult; hw_coal->coal_ticks_irq = coal->rx_coalesce_usecs_irq; hw_coal->coal_bufs_irq = coal->rx_max_coalesced_frames_irq * mult; + hw_coal->flags &= + ~RING_CMPL_RING_CFG_AGGINT_PARAMS_REQ_FLAGS_TIMER_RESET; + if (kernel_coal->use_cqe_mode_rx) + hw_coal->flags |= + RING_CMPL_RING_CFG_AGGINT_PARAMS_REQ_FLAGS_TIMER_RESET; hw_coal = &bp->tx_coal; mult = hw_coal->bufs_per_record; @@ -114,6 +130,11 @@ static int bnxt_set_coalesce(struct net_device *dev, hw_coal->coal_bufs = coal->tx_max_coalesced_frames * mult; hw_coal->coal_ticks_irq = coal->tx_coalesce_usecs_irq; hw_coal->coal_bufs_irq = coal->tx_max_coalesced_frames_irq * mult; + hw_coal->flags &= + ~RING_CMPL_RING_CFG_AGGINT_PARAMS_REQ_FLAGS_TIMER_RESET; + if (kernel_coal->use_cqe_mode_tx) + hw_coal->flags |= + RING_CMPL_RING_CFG_AGGINT_PARAMS_REQ_FLAGS_TIMER_RESET; if (bp->stats_coal_ticks != coal->stats_block_coalesce_usecs) { u32 stats_ticks = coal->stats_block_coalesce_usecs; @@ -3921,7 +3942,8 @@ const struct ethtool_ops bnxt_ethtool_ops = { ETHTOOL_COALESCE_USECS_IRQ | ETHTOOL_COALESCE_MAX_FRAMES_IRQ | ETHTOOL_COALESCE_STATS_BLOCK_USECS | - ETHTOOL_COALESCE_USE_ADAPTIVE_RX, + ETHTOOL_COALESCE_USE_ADAPTIVE_RX | + ETHTOOL_COALESCE_USE_CQE, .get_link_ksettings = bnxt_get_link_ksettings, .set_link_ksettings = bnxt_set_link_ksettings, .get_fec_stats = bnxt_get_fec_stats, |