From: Himanshu Madhani Date: Thu, 23 Jan 2014 22:18:32 +0000 (-0500) Subject: qlcnic: Refactor interrupt coalescing code for all adapters. X-Git-Tag: v4.9.8~7055^2~6^2~2 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=a514722afebc59cf9d98387ee4db81ee62154df0;p=platform%2Fkernel%2Flinux-rpi3.git qlcnic: Refactor interrupt coalescing code for all adapters. o Refactor configuration of interrupt coalescing parameters for all supported adapters. Signed-off-by: Himanshu Madhani Signed-off-by: David S. Miller --- diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h b/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h index 26b53b5..eb6df4a 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h @@ -369,6 +369,7 @@ struct qlcnic_rx_buffer { */ #define QLCNIC_INTR_COAL_TYPE_RX 1 #define QLCNIC_INTR_COAL_TYPE_TX 2 +#define QLCNIC_INTR_COAL_TYPE_RX_TX 3 #define QLCNIC_DEF_INTR_COALESCE_RX_TIME_US 3 #define QLCNIC_DEF_INTR_COALESCE_RX_PACKETS 256 @@ -1740,7 +1741,8 @@ struct qlcnic_hardware_ops { int (*change_macvlan) (struct qlcnic_adapter *, u8*, u16, u8); void (*napi_enable) (struct qlcnic_adapter *); void (*napi_disable) (struct qlcnic_adapter *); - void (*config_intr_coal) (struct qlcnic_adapter *); + int (*config_intr_coal) (struct qlcnic_adapter *, + struct ethtool_coalesce *); int (*config_rss) (struct qlcnic_adapter *, int); int (*config_hw_lro) (struct qlcnic_adapter *, int); int (*config_loopback) (struct qlcnic_adapter *, u8); @@ -1936,9 +1938,10 @@ static inline void qlcnic_napi_disable(struct qlcnic_adapter *adapter) adapter->ahw->hw_ops->napi_disable(adapter); } -static inline void qlcnic_config_intr_coalesce(struct qlcnic_adapter *adapter) +static inline int qlcnic_config_intr_coalesce(struct qlcnic_adapter *adapter, + struct ethtool_coalesce *ethcoal) { - adapter->ahw->hw_ops->config_intr_coal(adapter); + return adapter->ahw->hw_ops->config_intr_coal(adapter, ethcoal); } static inline int qlcnic_config_rss(struct qlcnic_adapter *adapter, int enable) diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c index f4e2671..f320eb8 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c @@ -2102,37 +2102,130 @@ int qlcnic_83xx_get_mac_address(struct qlcnic_adapter *adapter, u8 *mac, return err; } -void qlcnic_83xx_config_intr_coal(struct qlcnic_adapter *adapter) +static int qlcnic_83xx_set_rx_intr_coal(struct qlcnic_adapter *adapter) { - int err; - u16 temp; - struct qlcnic_cmd_args cmd; struct qlcnic_nic_intr_coalesce *coal = &adapter->ahw->coal; + struct qlcnic_cmd_args cmd; + u16 temp; + int err; - if (adapter->recv_ctx->state == QLCNIC_HOST_CTX_STATE_FREED) - return; + err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CONFIG_INTR_COAL); + if (err) + return err; + + temp = adapter->recv_ctx->context_id; + cmd.req.arg[1] = QLCNIC_INTR_COAL_TYPE_RX | temp << 16; + temp = coal->rx_time_us; + cmd.req.arg[2] = coal->rx_packets | temp << 16; + cmd.req.arg[3] = coal->flag; + + err = qlcnic_issue_cmd(adapter, &cmd); + if (err != QLCNIC_RCODE_SUCCESS) + netdev_err(adapter->netdev, + "failed to set interrupt coalescing parameters\n"); + + qlcnic_free_mbx_args(&cmd); + + return err; +} + +static int qlcnic_83xx_set_tx_intr_coal(struct qlcnic_adapter *adapter) +{ + struct qlcnic_nic_intr_coalesce *coal = &adapter->ahw->coal; + struct qlcnic_cmd_args cmd; + u16 temp; + int err; err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CONFIG_INTR_COAL); if (err) - return; + return err; - if (coal->type == QLCNIC_INTR_COAL_TYPE_RX) { - temp = adapter->recv_ctx->context_id; - cmd.req.arg[1] = QLCNIC_INTR_COAL_TYPE_RX | temp << 16; - temp = coal->rx_time_us; - cmd.req.arg[2] = coal->rx_packets | temp << 16; - } else if (coal->type == QLCNIC_INTR_COAL_TYPE_TX) { - temp = adapter->tx_ring->ctx_id; - cmd.req.arg[1] = QLCNIC_INTR_COAL_TYPE_TX | temp << 16; - temp = coal->tx_time_us; - cmd.req.arg[2] = coal->tx_packets | temp << 16; - } + temp = adapter->tx_ring->ctx_id; + cmd.req.arg[1] = QLCNIC_INTR_COAL_TYPE_TX | temp << 16; + temp = coal->tx_time_us; + cmd.req.arg[2] = coal->tx_packets | temp << 16; cmd.req.arg[3] = coal->flag; + err = qlcnic_issue_cmd(adapter, &cmd); if (err != QLCNIC_RCODE_SUCCESS) - dev_info(&adapter->pdev->dev, - "Failed to send interrupt coalescence parameters\n"); + netdev_err(adapter->netdev, + "failed to set interrupt coalescing parameters\n"); + qlcnic_free_mbx_args(&cmd); + + return err; +} + +int qlcnic_83xx_set_rx_tx_intr_coal(struct qlcnic_adapter *adapter) +{ + int err = 0; + + err = qlcnic_83xx_set_rx_intr_coal(adapter); + if (err) + netdev_err(adapter->netdev, + "failed to set Rx coalescing parameters\n"); + + err = qlcnic_83xx_set_tx_intr_coal(adapter); + if (err) + netdev_err(adapter->netdev, + "failed to set Tx coalescing parameters\n"); + + return err; +} + +int qlcnic_83xx_config_intr_coal(struct qlcnic_adapter *adapter, + struct ethtool_coalesce *ethcoal) +{ + struct qlcnic_nic_intr_coalesce *coal = &adapter->ahw->coal; + u32 rx_coalesce_usecs, rx_max_frames; + u32 tx_coalesce_usecs, tx_max_frames; + int err; + + if (adapter->recv_ctx->state == QLCNIC_HOST_CTX_STATE_FREED) + return -EIO; + + tx_coalesce_usecs = ethcoal->tx_coalesce_usecs; + tx_max_frames = ethcoal->tx_max_coalesced_frames; + rx_coalesce_usecs = ethcoal->rx_coalesce_usecs; + rx_max_frames = ethcoal->rx_max_coalesced_frames; + coal->flag = QLCNIC_INTR_DEFAULT; + + if ((coal->rx_time_us == rx_coalesce_usecs) && + (coal->rx_packets == rx_max_frames)) { + coal->type = QLCNIC_INTR_COAL_TYPE_TX; + coal->tx_time_us = tx_coalesce_usecs; + coal->tx_packets = tx_max_frames; + } else if ((coal->tx_time_us == tx_coalesce_usecs) && + (coal->tx_packets == tx_max_frames)) { + coal->type = QLCNIC_INTR_COAL_TYPE_RX; + coal->rx_time_us = rx_coalesce_usecs; + coal->rx_packets = rx_max_frames; + } else { + coal->type = QLCNIC_INTR_COAL_TYPE_RX_TX; + coal->rx_time_us = rx_coalesce_usecs; + coal->rx_packets = rx_max_frames; + coal->tx_time_us = tx_coalesce_usecs; + coal->tx_packets = tx_max_frames; + } + + switch (coal->type) { + case QLCNIC_INTR_COAL_TYPE_RX: + err = qlcnic_83xx_set_rx_intr_coal(adapter); + break; + case QLCNIC_INTR_COAL_TYPE_TX: + err = qlcnic_83xx_set_tx_intr_coal(adapter); + break; + case QLCNIC_INTR_COAL_TYPE_RX_TX: + err = qlcnic_83xx_set_rx_tx_intr_coal(adapter); + break; + default: + err = -EINVAL; + netdev_err(adapter->netdev, + "Invalid Interrupt coalescing type\n"); + break; + } + + return err; } static void qlcnic_83xx_handle_link_aen(struct qlcnic_adapter *adapter, diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.h b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.h index 220166f..f92485c 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.h +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.h @@ -547,7 +547,6 @@ int qlcnic_83xx_wrt_reg_indirect(struct qlcnic_adapter *, ulong, u32); int qlcnic_83xx_nic_set_promisc(struct qlcnic_adapter *, u32); int qlcnic_83xx_config_hw_lro(struct qlcnic_adapter *, int); int qlcnic_83xx_config_rss(struct qlcnic_adapter *, int); -int qlcnic_83xx_config_intr_coalesce(struct qlcnic_adapter *); void qlcnic_83xx_change_l2_filter(struct qlcnic_adapter *, u64 *, u16); int qlcnic_83xx_get_pci_info(struct qlcnic_adapter *, struct qlcnic_pci_info *); int qlcnic_83xx_set_nic_info(struct qlcnic_adapter *, struct qlcnic_info *); @@ -577,7 +576,9 @@ int qlcnic_83xx_alloc_mbx_args(struct qlcnic_cmd_args *, void qlcnic_free_mbx_args(struct qlcnic_cmd_args *); void qlcnic_set_npar_data(struct qlcnic_adapter *, const struct qlcnic_info *, struct qlcnic_info *); -void qlcnic_83xx_config_intr_coal(struct qlcnic_adapter *); +int qlcnic_83xx_config_intr_coal(struct qlcnic_adapter *, + struct ethtool_coalesce *); +int qlcnic_83xx_set_rx_tx_intr_coal(struct qlcnic_adapter *); int qlcnic_83xx_get_port_info(struct qlcnic_adapter *); void qlcnic_83xx_enable_mbx_interrupt(struct qlcnic_adapter *); void qlcnic_83xx_disable_mbx_intr(struct qlcnic_adapter *); diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ethtool.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ethtool.c index 45961e3..6d0f518 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ethtool.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ethtool.c @@ -1495,9 +1495,7 @@ static int qlcnic_set_intr_coalesce(struct net_device *netdev, struct ethtool_coalesce *ethcoal) { struct qlcnic_adapter *adapter = netdev_priv(netdev); - struct qlcnic_nic_intr_coalesce *coal; - u32 rx_coalesce_usecs, rx_max_frames; - u32 tx_coalesce_usecs, tx_max_frames; + int err; if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) return -EINVAL; @@ -1507,82 +1505,31 @@ static int qlcnic_set_intr_coalesce(struct net_device *netdev, * unsupported parameters are set. */ if (ethcoal->rx_coalesce_usecs > 0xffff || - ethcoal->rx_max_coalesced_frames > 0xffff || - ethcoal->tx_coalesce_usecs > 0xffff || - ethcoal->tx_max_coalesced_frames > 0xffff || - ethcoal->rx_coalesce_usecs_irq || - ethcoal->rx_max_coalesced_frames_irq || - ethcoal->tx_coalesce_usecs_irq || - ethcoal->tx_max_coalesced_frames_irq || - ethcoal->stats_block_coalesce_usecs || - ethcoal->use_adaptive_rx_coalesce || - ethcoal->use_adaptive_tx_coalesce || - ethcoal->pkt_rate_low || - ethcoal->rx_coalesce_usecs_low || - ethcoal->rx_max_coalesced_frames_low || - ethcoal->tx_coalesce_usecs_low || - ethcoal->tx_max_coalesced_frames_low || - ethcoal->pkt_rate_high || - ethcoal->rx_coalesce_usecs_high || - ethcoal->rx_max_coalesced_frames_high || - ethcoal->tx_coalesce_usecs_high || - ethcoal->tx_max_coalesced_frames_high) + ethcoal->rx_max_coalesced_frames > 0xffff || + ethcoal->tx_coalesce_usecs > 0xffff || + ethcoal->tx_max_coalesced_frames > 0xffff || + ethcoal->rx_coalesce_usecs_irq || + ethcoal->rx_max_coalesced_frames_irq || + ethcoal->tx_coalesce_usecs_irq || + ethcoal->tx_max_coalesced_frames_irq || + ethcoal->stats_block_coalesce_usecs || + ethcoal->use_adaptive_rx_coalesce || + ethcoal->use_adaptive_tx_coalesce || + ethcoal->pkt_rate_low || + ethcoal->rx_coalesce_usecs_low || + ethcoal->rx_max_coalesced_frames_low || + ethcoal->tx_coalesce_usecs_low || + ethcoal->tx_max_coalesced_frames_low || + ethcoal->pkt_rate_high || + ethcoal->rx_coalesce_usecs_high || + ethcoal->rx_max_coalesced_frames_high || + ethcoal->tx_coalesce_usecs_high || + ethcoal->tx_max_coalesced_frames_high) return -EINVAL; - coal = &adapter->ahw->coal; + err = qlcnic_config_intr_coalesce(adapter, ethcoal); - if (qlcnic_83xx_check(adapter)) { - if (!ethcoal->tx_coalesce_usecs || - !ethcoal->tx_max_coalesced_frames || - !ethcoal->rx_coalesce_usecs || - !ethcoal->rx_max_coalesced_frames) { - coal->flag = QLCNIC_INTR_DEFAULT; - coal->type = QLCNIC_INTR_COAL_TYPE_RX; - coal->rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US; - coal->rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS; - coal->tx_time_us = QLCNIC_DEF_INTR_COALESCE_TX_TIME_US; - coal->tx_packets = QLCNIC_DEF_INTR_COALESCE_TX_PACKETS; - } else { - tx_coalesce_usecs = ethcoal->tx_coalesce_usecs; - tx_max_frames = ethcoal->tx_max_coalesced_frames; - rx_coalesce_usecs = ethcoal->rx_coalesce_usecs; - rx_max_frames = ethcoal->rx_max_coalesced_frames; - coal->flag = 0; - - if ((coal->rx_time_us == rx_coalesce_usecs) && - (coal->rx_packets == rx_max_frames)) { - coal->type = QLCNIC_INTR_COAL_TYPE_TX; - coal->tx_time_us = tx_coalesce_usecs; - coal->tx_packets = tx_max_frames; - } else if ((coal->tx_time_us == tx_coalesce_usecs) && - (coal->tx_packets == tx_max_frames)) { - coal->type = QLCNIC_INTR_COAL_TYPE_RX; - coal->rx_time_us = rx_coalesce_usecs; - coal->rx_packets = rx_max_frames; - } else { - coal->type = QLCNIC_INTR_COAL_TYPE_RX; - coal->rx_time_us = rx_coalesce_usecs; - coal->rx_packets = rx_max_frames; - coal->tx_time_us = tx_coalesce_usecs; - coal->tx_packets = tx_max_frames; - } - } - } else { - if (!ethcoal->rx_coalesce_usecs || - !ethcoal->rx_max_coalesced_frames) { - coal->flag = QLCNIC_INTR_DEFAULT; - coal->rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US; - coal->rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS; - } else { - coal->flag = 0; - coal->rx_time_us = ethcoal->rx_coalesce_usecs; - coal->rx_packets = ethcoal->rx_max_coalesced_frames; - } - } - - qlcnic_config_intr_coalesce(adapter); - - return 0; + return err; } static int qlcnic_get_intr_coalesce(struct net_device *netdev, diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_hw.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_hw.c index d012e83..03d18a0 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_hw.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_hw.c @@ -755,10 +755,7 @@ int qlcnic_82xx_read_phys_port_id(struct qlcnic_adapter *adapter) return 0; } -/* - * Send the interrupt coalescing parameter set by ethtool to the card. - */ -void qlcnic_82xx_config_intr_coalesce(struct qlcnic_adapter *adapter) +int qlcnic_82xx_set_rx_coalesce(struct qlcnic_adapter *adapter) { struct qlcnic_nic_req req; int rv; @@ -780,6 +777,28 @@ void qlcnic_82xx_config_intr_coalesce(struct qlcnic_adapter *adapter) if (rv != 0) dev_err(&adapter->netdev->dev, "Could not send interrupt coalescing parameters\n"); + + return rv; +} + +/* Send the interrupt coalescing parameter set by ethtool to the card. */ +int qlcnic_82xx_config_intr_coalesce(struct qlcnic_adapter *adapter, + struct ethtool_coalesce *ethcoal) +{ + struct qlcnic_nic_intr_coalesce *coal = &adapter->ahw->coal; + int rv; + + coal->flag = QLCNIC_INTR_DEFAULT; + coal->rx_time_us = ethcoal->rx_coalesce_usecs; + coal->rx_packets = ethcoal->rx_max_coalesced_frames; + + rv = qlcnic_82xx_set_rx_coalesce(adapter); + + if (rv) + netdev_err(adapter->netdev, + "Failed to set Rx coalescing parametrs\n"); + + return rv; } #define QLCNIC_ENABLE_IPV4_LRO BIT_0 diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_hw.h b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_hw.h index 17f563d..63d7561 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_hw.h +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_hw.h @@ -171,7 +171,9 @@ int qlcnic_82xx_napi_add(struct qlcnic_adapter *adapter, void qlcnic_82xx_get_beacon_state(struct qlcnic_adapter *); void qlcnic_82xx_change_filter(struct qlcnic_adapter *adapter, u64 *uaddr, u16 vlan_id); -void qlcnic_82xx_config_intr_coalesce(struct qlcnic_adapter *adapter); +int qlcnic_82xx_config_intr_coalesce(struct qlcnic_adapter *, + struct ethtool_coalesce *); +int qlcnic_82xx_set_rx_coalesce(struct qlcnic_adapter *); int qlcnic_82xx_config_rss(struct qlcnic_adapter *adapter, int); void qlcnic_82xx_config_ipaddr(struct qlcnic_adapter *adapter, __be32, int); diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c index 0cfa8a3..68f792a 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c @@ -1701,6 +1701,33 @@ static void qlcnic_get_lro_mss_capability(struct qlcnic_adapter *adapter) } } +static int qlcnic_config_def_intr_coalesce(struct qlcnic_adapter *adapter) +{ + struct qlcnic_hardware_context *ahw = adapter->ahw; + int err; + + /* Initialize interrupt coalesce parameters */ + ahw->coal.flag = QLCNIC_INTR_DEFAULT; + + if (qlcnic_83xx_check(adapter)) { + ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX_TX; + ahw->coal.tx_time_us = QLCNIC_DEF_INTR_COALESCE_TX_TIME_US; + ahw->coal.tx_packets = QLCNIC_DEF_INTR_COALESCE_TX_PACKETS; + ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US; + ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS; + + err = qlcnic_83xx_set_rx_tx_intr_coal(adapter); + } else { + ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX; + ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US; + ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS; + + err = qlcnic_82xx_set_rx_coalesce(adapter); + } + + return err; +} + int __qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev) { int ring; @@ -1733,7 +1760,7 @@ int __qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev) if (adapter->drv_sds_rings > 1) qlcnic_config_rss(adapter, 1); - qlcnic_config_intr_coalesce(adapter); + qlcnic_config_def_intr_coalesce(adapter); if (netdev->features & NETIF_F_LRO) qlcnic_config_hw_lro(adapter, QLCNIC_LRO_ENABLED); @@ -1901,7 +1928,6 @@ out: static int qlcnic_alloc_adapter_resources(struct qlcnic_adapter *adapter) { - struct qlcnic_hardware_context *ahw = adapter->ahw; int err = 0; adapter->recv_ctx = kzalloc(sizeof(struct qlcnic_recv_context), @@ -1910,15 +1936,7 @@ static int qlcnic_alloc_adapter_resources(struct qlcnic_adapter *adapter) err = -ENOMEM; goto err_out; } - /* Initialize interrupt coalesce parameters */ - ahw->coal.flag = QLCNIC_INTR_DEFAULT; - ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX; - ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US; - ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS; - if (qlcnic_83xx_check(adapter)) { - ahw->coal.tx_time_us = QLCNIC_DEF_INTR_COALESCE_TX_TIME_US; - ahw->coal.tx_packets = QLCNIC_DEF_INTR_COALESCE_TX_PACKETS; - } + /* clear stats */ memset(&adapter->stats, 0, sizeof(adapter->stats)); err_out: