cregit-Linux how code gets into the kernel

Release 4.11 drivers/net/ethernet/brocade/bna/bnad_ethtool.c

/*
 * Linux network driver for QLogic BR-series Converged Network Adapter.
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License (GPL) Version 2 as
 * published by the Free Software Foundation
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 */
/*
 * Copyright (c) 2005-2014 Brocade Communications Systems, Inc.
 * Copyright (c) 2014-2015 QLogic Corporation
 * All rights reserved
 * www.qlogic.com
 */

#include "cna.h"

#include <linux/netdevice.h>
#include <linux/skbuff.h>
#include <linux/ethtool.h>
#include <linux/rtnetlink.h>

#include "bna.h"

#include "bnad.h"


#define BNAD_NUM_TXF_COUNTERS 12

#define BNAD_NUM_RXF_COUNTERS 10

#define BNAD_NUM_CQ_COUNTERS (3 + 5)

#define BNAD_NUM_RXQ_COUNTERS 7

#define BNAD_NUM_TXQ_COUNTERS 5


static const char *bnad_net_stats_strings[] = {
	"rx_packets",
	"tx_packets",
	"rx_bytes",
	"tx_bytes",
	"rx_errors",
	"tx_errors",
	"rx_dropped",
	"tx_dropped",
	"multicast",
	"collisions",
	"rx_length_errors",
	"rx_crc_errors",
	"rx_frame_errors",
	"tx_fifo_errors",

	"netif_queue_stop",
	"netif_queue_wakeup",
	"netif_queue_stopped",
	"tso4",
	"tso6",
	"tso_err",
	"tcpcsum_offload",
	"udpcsum_offload",
	"csum_help",
	"tx_skb_too_short",
	"tx_skb_stopping",
	"tx_skb_max_vectors",
	"tx_skb_mss_too_long",
	"tx_skb_tso_too_short",
	"tx_skb_tso_prepare",
	"tx_skb_non_tso_too_long",
	"tx_skb_tcp_hdr",
	"tx_skb_udp_hdr",
	"tx_skb_csum_err",
	"tx_skb_headlen_too_long",
	"tx_skb_headlen_zero",
	"tx_skb_frag_zero",
	"tx_skb_len_mismatch",
	"tx_skb_map_failed",
	"hw_stats_updates",
	"netif_rx_dropped",

	"link_toggle",
	"cee_toggle",

	"rxp_info_alloc_failed",
	"mbox_intr_disabled",
	"mbox_intr_enabled",
	"tx_unmap_q_alloc_failed",
	"rx_unmap_q_alloc_failed",
	"rxbuf_alloc_failed",
	"rxbuf_map_failed",

	"mac_stats_clr_cnt",
	"mac_frame_64",
	"mac_frame_65_127",
	"mac_frame_128_255",
	"mac_frame_256_511",
	"mac_frame_512_1023",
	"mac_frame_1024_1518",
	"mac_frame_1518_1522",
	"mac_rx_bytes",
	"mac_rx_packets",
	"mac_rx_fcs_error",
	"mac_rx_multicast",
	"mac_rx_broadcast",
	"mac_rx_control_frames",
	"mac_rx_pause",
	"mac_rx_unknown_opcode",
	"mac_rx_alignment_error",
	"mac_rx_frame_length_error",
	"mac_rx_code_error",
	"mac_rx_carrier_sense_error",
	"mac_rx_undersize",
	"mac_rx_oversize",
	"mac_rx_fragments",
	"mac_rx_jabber",
	"mac_rx_drop",

	"mac_tx_bytes",
	"mac_tx_packets",
	"mac_tx_multicast",
	"mac_tx_broadcast",
	"mac_tx_pause",
	"mac_tx_deferral",
	"mac_tx_excessive_deferral",
	"mac_tx_single_collision",
	"mac_tx_muliple_collision",
	"mac_tx_late_collision",
	"mac_tx_excessive_collision",
	"mac_tx_total_collision",
	"mac_tx_pause_honored",
	"mac_tx_drop",
	"mac_tx_jabber",
	"mac_tx_fcs_error",
	"mac_tx_control_frame",
	"mac_tx_oversize",
	"mac_tx_undersize",
	"mac_tx_fragments",

	"bpc_tx_pause_0",
	"bpc_tx_pause_1",
	"bpc_tx_pause_2",
	"bpc_tx_pause_3",
	"bpc_tx_pause_4",
	"bpc_tx_pause_5",
	"bpc_tx_pause_6",
	"bpc_tx_pause_7",
	"bpc_tx_zero_pause_0",
	"bpc_tx_zero_pause_1",
	"bpc_tx_zero_pause_2",
	"bpc_tx_zero_pause_3",
	"bpc_tx_zero_pause_4",
	"bpc_tx_zero_pause_5",
	"bpc_tx_zero_pause_6",
	"bpc_tx_zero_pause_7",
	"bpc_tx_first_pause_0",
	"bpc_tx_first_pause_1",
	"bpc_tx_first_pause_2",
	"bpc_tx_first_pause_3",
	"bpc_tx_first_pause_4",
	"bpc_tx_first_pause_5",
	"bpc_tx_first_pause_6",
	"bpc_tx_first_pause_7",

	"bpc_rx_pause_0",
	"bpc_rx_pause_1",
	"bpc_rx_pause_2",
	"bpc_rx_pause_3",
	"bpc_rx_pause_4",
	"bpc_rx_pause_5",
	"bpc_rx_pause_6",
	"bpc_rx_pause_7",
	"bpc_rx_zero_pause_0",
	"bpc_rx_zero_pause_1",
	"bpc_rx_zero_pause_2",
	"bpc_rx_zero_pause_3",
	"bpc_rx_zero_pause_4",
	"bpc_rx_zero_pause_5",
	"bpc_rx_zero_pause_6",
	"bpc_rx_zero_pause_7",
	"bpc_rx_first_pause_0",
	"bpc_rx_first_pause_1",
	"bpc_rx_first_pause_2",
	"bpc_rx_first_pause_3",
	"bpc_rx_first_pause_4",
	"bpc_rx_first_pause_5",
	"bpc_rx_first_pause_6",
	"bpc_rx_first_pause_7",

	"rad_rx_frames",
	"rad_rx_octets",
	"rad_rx_vlan_frames",
	"rad_rx_ucast",
	"rad_rx_ucast_octets",
	"rad_rx_ucast_vlan",
	"rad_rx_mcast",
	"rad_rx_mcast_octets",
	"rad_rx_mcast_vlan",
	"rad_rx_bcast",
	"rad_rx_bcast_octets",
	"rad_rx_bcast_vlan",
	"rad_rx_drops",

	"rlb_rad_rx_frames",
	"rlb_rad_rx_octets",
	"rlb_rad_rx_vlan_frames",
	"rlb_rad_rx_ucast",
	"rlb_rad_rx_ucast_octets",
	"rlb_rad_rx_ucast_vlan",
	"rlb_rad_rx_mcast",
	"rlb_rad_rx_mcast_octets",
	"rlb_rad_rx_mcast_vlan",
	"rlb_rad_rx_bcast",
	"rlb_rad_rx_bcast_octets",
	"rlb_rad_rx_bcast_vlan",
	"rlb_rad_rx_drops",

	"fc_rx_ucast_octets",
	"fc_rx_ucast",
	"fc_rx_ucast_vlan",
	"fc_rx_mcast_octets",
	"fc_rx_mcast",
	"fc_rx_mcast_vlan",
	"fc_rx_bcast_octets",
	"fc_rx_bcast",
	"fc_rx_bcast_vlan",

	"fc_tx_ucast_octets",
	"fc_tx_ucast",
	"fc_tx_ucast_vlan",
	"fc_tx_mcast_octets",
	"fc_tx_mcast",
	"fc_tx_mcast_vlan",
	"fc_tx_bcast_octets",
	"fc_tx_bcast",
	"fc_tx_bcast_vlan",
	"fc_tx_parity_errors",
	"fc_tx_timeout",
	"fc_tx_fid_parity_errors",
};


#define BNAD_ETHTOOL_STATS_NUM	ARRAY_SIZE(bnad_net_stats_strings)


static int bnad_get_link_ksettings(struct net_device *netdev, struct ethtool_link_ksettings *cmd) { u32 supported, advertising; supported = SUPPORTED_10000baseT_Full; advertising = ADVERTISED_10000baseT_Full; cmd->base.autoneg = AUTONEG_DISABLE; supported |= SUPPORTED_FIBRE; advertising |= ADVERTISED_FIBRE; cmd->base.port = PORT_FIBRE; cmd->base.phy_address = 0; if (netif_carrier_ok(netdev)) { cmd->base.speed = SPEED_10000; cmd->base.duplex = DUPLEX_FULL; } else { cmd->base.speed = SPEED_UNKNOWN; cmd->base.duplex = DUPLEX_UNKNOWN; } ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.supported, supported); ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.advertising, advertising); return 0; }

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static int bnad_set_link_ksettings(struct net_device *netdev, const struct ethtool_link_ksettings *cmd) { /* 10G full duplex setting supported only */ if (cmd->base.autoneg == AUTONEG_ENABLE) return -EOPNOTSUPP; if ((cmd->base.speed == SPEED_10000) && (cmd->base.duplex == DUPLEX_FULL)) return 0; return -EOPNOTSUPP; }

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static void bnad_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo) { struct bnad *bnad = netdev_priv(netdev); struct bfa_ioc_attr *ioc_attr; unsigned long flags; strlcpy(drvinfo->driver, BNAD_NAME, sizeof(drvinfo->driver)); strlcpy(drvinfo->version, BNAD_VERSION, sizeof(drvinfo->version)); ioc_attr = kzalloc(sizeof(*ioc_attr), GFP_KERNEL); if (ioc_attr) { spin_lock_irqsave(&bnad->bna_lock, flags); bfa_nw_ioc_get_attr(&bnad->bna.ioceth.ioc, ioc_attr); spin_unlock_irqrestore(&bnad->bna_lock, flags); strlcpy(drvinfo->fw_version, ioc_attr->adapter_attr.fw_ver, sizeof(drvinfo->fw_version)); kfree(ioc_attr); } strlcpy(drvinfo->bus_info, pci_name(bnad->pcidev), sizeof(drvinfo->bus_info)); }

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static void bnad_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wolinfo) { wolinfo->supported = 0; wolinfo->wolopts = 0; }

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static int bnad_get_coalesce(struct net_device *netdev, struct ethtool_coalesce *coalesce) { struct bnad *bnad = netdev_priv(netdev); unsigned long flags; /* Lock rqd. to access bnad->bna_lock */ spin_lock_irqsave(&bnad->bna_lock, flags); coalesce->use_adaptive_rx_coalesce = (bnad->cfg_flags & BNAD_CF_DIM_ENABLED) ? true : false; spin_unlock_irqrestore(&bnad->bna_lock, flags); coalesce->rx_coalesce_usecs = bnad->rx_coalescing_timeo * BFI_COALESCING_TIMER_UNIT; coalesce->tx_coalesce_usecs = bnad->tx_coalescing_timeo * BFI_COALESCING_TIMER_UNIT; coalesce->tx_max_coalesced_frames = BFI_TX_INTERPKT_COUNT; return 0; }

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static int bnad_set_coalesce(struct net_device *netdev, struct ethtool_coalesce *coalesce) { struct bnad *bnad = netdev_priv(netdev); unsigned long flags; int to_del = 0; if (coalesce->rx_coalesce_usecs == 0 || coalesce->rx_coalesce_usecs > BFI_MAX_COALESCING_TIMEO * BFI_COALESCING_TIMER_UNIT) return -EINVAL; if (coalesce->tx_coalesce_usecs == 0 || coalesce->tx_coalesce_usecs > BFI_MAX_COALESCING_TIMEO * BFI_COALESCING_TIMER_UNIT) return -EINVAL; mutex_lock(&bnad->conf_mutex); /* * Do not need to store rx_coalesce_usecs here * Every time DIM is disabled, we can get it from the * stack. */ spin_lock_irqsave(&bnad->bna_lock, flags); if (coalesce->use_adaptive_rx_coalesce) { if (!(bnad->cfg_flags & BNAD_CF_DIM_ENABLED)) { bnad->cfg_flags |= BNAD_CF_DIM_ENABLED; bnad_dim_timer_start(bnad); } } else { if (bnad->cfg_flags & BNAD_CF_DIM_ENABLED) { bnad->cfg_flags &= ~BNAD_CF_DIM_ENABLED; if (bnad->cfg_flags & BNAD_CF_DIM_ENABLED && test_bit(BNAD_RF_DIM_TIMER_RUNNING, &bnad->run_flags)) { clear_bit(BNAD_RF_DIM_TIMER_RUNNING, &bnad->run_flags); to_del = 1; } spin_unlock_irqrestore(&bnad->bna_lock, flags); if (to_del) del_timer_sync(&bnad->dim_timer); spin_lock_irqsave(&bnad->bna_lock, flags); bnad_rx_coalescing_timeo_set(bnad); } } if (bnad->tx_coalescing_timeo != coalesce->tx_coalesce_usecs / BFI_COALESCING_TIMER_UNIT) { bnad->tx_coalescing_timeo = coalesce->tx_coalesce_usecs / BFI_COALESCING_TIMER_UNIT; bnad_tx_coalescing_timeo_set(bnad); } if (bnad->rx_coalescing_timeo != coalesce->rx_coalesce_usecs / BFI_COALESCING_TIMER_UNIT) { bnad->rx_coalescing_timeo = coalesce->rx_coalesce_usecs / BFI_COALESCING_TIMER_UNIT; if (!(bnad->cfg_flags & BNAD_CF_DIM_ENABLED)) bnad_rx_coalescing_timeo_set(bnad); } /* Add Tx Inter-pkt DMA count? */ spin_unlock_irqrestore(&bnad->bna_lock, flags); mutex_unlock(&bnad->conf_mutex); return 0; }

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static void bnad_get_ringparam(struct net_device *netdev, struct ethtool_ringparam *ringparam) { struct bnad *bnad = netdev_priv(netdev); ringparam->rx_max_pending = BNAD_MAX_RXQ_DEPTH; ringparam->tx_max_pending = BNAD_MAX_TXQ_DEPTH; ringparam->rx_pending = bnad->rxq_depth; ringparam->tx_pending = bnad->txq_depth; }

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static int bnad_set_ringparam(struct net_device *netdev, struct ethtool_ringparam *ringparam) { int i, current_err, err = 0; struct bnad *bnad = netdev_priv(netdev); unsigned long flags; mutex_lock(&bnad->conf_mutex); if (ringparam->rx_pending == bnad->rxq_depth && ringparam->tx_pending == bnad->txq_depth) { mutex_unlock(&bnad->conf_mutex); return 0; } if (ringparam->rx_pending < BNAD_MIN_Q_DEPTH || ringparam->rx_pending > BNAD_MAX_RXQ_DEPTH || !is_power_of_2(ringparam->rx_pending)) { mutex_unlock(&bnad->conf_mutex); return -EINVAL; } if (ringparam->tx_pending < BNAD_MIN_Q_DEPTH || ringparam->tx_pending > BNAD_MAX_TXQ_DEPTH || !is_power_of_2(ringparam->tx_pending)) { mutex_unlock(&bnad->conf_mutex); return -EINVAL; } if (ringparam->rx_pending != bnad->rxq_depth) { bnad->rxq_depth = ringparam->rx_pending; if (!netif_running(netdev)) { mutex_unlock(&bnad->conf_mutex); return 0; } for (i = 0; i < bnad->num_rx; i++) { if (!bnad->rx_info[i].rx) continue; bnad_destroy_rx(bnad, i); current_err = bnad_setup_rx(bnad, i); if (current_err && !err) err = current_err; } if (!err && bnad->rx_info[0].rx) { /* restore rx configuration */ bnad_restore_vlans(bnad, 0); bnad_enable_default_bcast(bnad); spin_lock_irqsave(&bnad->bna_lock, flags); bnad_mac_addr_set_locked(bnad, netdev->dev_addr); spin_unlock_irqrestore(&bnad->bna_lock, flags); bnad->cfg_flags &= ~(BNAD_CF_ALLMULTI | BNAD_CF_PROMISC); bnad_set_rx_mode(netdev); } } if (ringparam->tx_pending != bnad->txq_depth) { bnad->txq_depth = ringparam->tx_pending; if (!netif_running(netdev)) { mutex_unlock(&bnad->conf_mutex); return 0; } for (i = 0; i < bnad->num_tx; i++) { if (!bnad->tx_info[i].tx) continue; bnad_destroy_tx(bnad, i); current_err = bnad_setup_tx(bnad, i); if (current_err && !err) err = current_err; } } mutex_unlock(&bnad->conf_mutex); return err; }

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static void bnad_get_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *pauseparam) { struct bnad *bnad = netdev_priv(netdev); pauseparam->autoneg = 0; pauseparam->rx_pause = bnad->bna.enet.pause_config.rx_pause; pauseparam->tx_pause = bnad->bna.enet.pause_config.tx_pause; }

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static int bnad_set_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *pauseparam) { struct bnad *bnad = netdev_priv(netdev); struct bna_pause_config pause_config; unsigned long flags; if (pauseparam->autoneg == AUTONEG_ENABLE) return -EINVAL; mutex_lock(&bnad->conf_mutex); if (pauseparam->rx_pause != bnad->bna.enet.pause_config.rx_pause || pauseparam->tx_pause != bnad->bna.enet.pause_config.tx_pause) { pause_config.rx_pause = pauseparam->rx_pause; pause_config.tx_pause = pauseparam->tx_pause; spin_lock_irqsave(&bnad->bna_lock, flags); bna_enet_pause_config(&bnad->bna.enet, &pause_config); spin_unlock_irqrestore(&bnad->bna_lock, flags); } mutex_unlock(&bnad->conf_mutex); return 0; }

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Rasesh Mody146100.00%2100.00%
Total146100.00%2100.00%


static void bnad_get_strings(struct net_device *netdev, u32 stringset, u8 *string) { struct bnad *bnad = netdev_priv(netdev); int i, j, q_num; u32 bmap; mutex_lock(&bnad->conf_mutex); switch (stringset) { case ETH_SS_STATS: for (i = 0; i < BNAD_ETHTOOL_STATS_NUM; i++) { BUG_ON(!(strlen(bnad_net_stats_strings[i]) < ETH_GSTRING_LEN)); memcpy(string, bnad_net_stats_strings[i], ETH_GSTRING_LEN); string += ETH_GSTRING_LEN; } bmap = bna_tx_rid_mask(&bnad->bna); for (i = 0; bmap; i++) { if (bmap & 1) { sprintf(string, "txf%d_ucast_octets", i); string += ETH_GSTRING_LEN; sprintf(string, "txf%d_ucast", i); string += ETH_GSTRING_LEN; sprintf(string, "txf%d_ucast_vlan", i); string += ETH_GSTRING_LEN; sprintf(string, "txf%d_mcast_octets", i); string += ETH_GSTRING_LEN; sprintf(string, "txf%d_mcast", i); string += ETH_GSTRING_LEN; sprintf(string, "txf%d_mcast_vlan", i); string += ETH_GSTRING_LEN; sprintf(string, "txf%d_bcast_octets", i); string += ETH_GSTRING_LEN; sprintf(string, "txf%d_bcast", i); string += ETH_GSTRING_LEN; sprintf(string, "txf%d_bcast_vlan", i); string += ETH_GSTRING_LEN; sprintf(string, "txf%d_errors", i); string += ETH_GSTRING_LEN; sprintf(string, "txf%d_filter_vlan", i); string += ETH_GSTRING_LEN; sprintf(string, "txf%d_filter_mac_sa", i); string += ETH_GSTRING_LEN; } bmap >>= 1; } bmap = bna_rx_rid_mask(&bnad->bna); for (i = 0; bmap; i++) { if (bmap & 1) { sprintf(string, "rxf%d_ucast_octets", i); string += ETH_GSTRING_LEN; sprintf(string, "rxf%d_ucast", i); string += ETH_GSTRING_LEN; sprintf(string, "rxf%d_ucast_vlan", i); string += ETH_GSTRING_LEN; sprintf(string, "rxf%d_mcast_octets", i); string += ETH_GSTRING_LEN; sprintf(string, "rxf%d_mcast", i); string += ETH_GSTRING_LEN; sprintf(string, "rxf%d_mcast_vlan", i); string += ETH_GSTRING_LEN; sprintf(string, "rxf%d_bcast_octets", i); string += ETH_GSTRING_LEN; sprintf(string, "rxf%d_bcast", i); string += ETH_GSTRING_LEN; sprintf(string, "rxf%d_bcast_vlan", i); string += ETH_GSTRING_LEN; sprintf(string, "rxf%d_frame_drops", i); string += ETH_GSTRING_LEN; } bmap >>= 1; } q_num = 0; for (i = 0; i < bnad->num_rx; i++) { if (!bnad->rx_info[i].rx) continue; for (j = 0; j < bnad->num_rxp_per_rx; j++) { sprintf(string, "cq%d_producer_index", q_num); string += ETH_GSTRING_LEN; sprintf(string, "cq%d_consumer_index", q_num); string += ETH_GSTRING_LEN; sprintf(string, "cq%d_hw_producer_index", q_num); string += ETH_GSTRING_LEN; sprintf(string, "cq%d_intr", q_num); string += ETH_GSTRING_LEN; sprintf(string, "cq%d_poll", q_num); string += ETH_GSTRING_LEN; sprintf(string, "cq%d_schedule", q_num); string += ETH_GSTRING_LEN; sprintf(string, "cq%d_keep_poll", q_num); string += ETH_GSTRING_LEN; sprintf(string, "cq%d_complete", q_num); string += ETH_GSTRING_LEN; q_num++; } } q_num = 0; for (i = 0; i < bnad->num_rx; i++) { if (!bnad->rx_info[i].rx) continue; for (j = 0; j < bnad->num_rxp_per_rx; j++) { sprintf(string, "rxq%d_packets", q_num); string += ETH_GSTRING_LEN; sprintf(string, "rxq%d_bytes", q_num); string += ETH_GSTRING_LEN; sprintf(string, "rxq%d_packets_with_error", q_num); string += ETH_GSTRING_LEN; sprintf(string, "rxq%d_allocbuf_failed", q_num); string += ETH_GSTRING_LEN; sprintf(string, "rxq%d_mapbuf_failed", q_num); string += ETH_GSTRING_LEN; sprintf(string, "rxq%d_producer_index", q_num); string += ETH_GSTRING_LEN; sprintf(string, "rxq%d_consumer_index", q_num); string += ETH_GSTRING_LEN; q_num++; if (bnad->rx_info[i].rx_ctrl[j].ccb && bnad->rx_info[i].rx_ctrl[j].ccb-> rcb[1] && bnad->rx_info[i].rx_ctrl[j].ccb-> rcb[1]->rxq) { sprintf(string, "rxq%d_packets", q_num); string += ETH_GSTRING_LEN; sprintf(string, "rxq%d_bytes", q_num); string += ETH_GSTRING_LEN; sprintf(string, "rxq%d_packets_with_error", q_num); string += ETH_GSTRING_LEN; sprintf(string, "rxq%d_allocbuf_failed", q_num); string += ETH_GSTRING_LEN; sprintf(string, "rxq%d_mapbuf_failed", q_num); string += ETH_GSTRING_LEN; sprintf(string, "rxq%d_producer_index", q_num); string += ETH_GSTRING_LEN; sprintf(string, "rxq%d_consumer_index", q_num); string += ETH_GSTRING_LEN; q_num++; } } } q_num = 0; for (i = 0; i < bnad->num_tx; i++) { if (!bnad->tx_info[i].tx) continue; for (j = 0; j < bnad->num_txq_per_tx; j++) { sprintf(string, "txq%d_packets", q_num); string += ETH_GSTRING_LEN; sprintf(string, "txq%d_bytes", q_num); string += ETH_GSTRING_LEN; sprintf(string, "txq%d_producer_index", q_num); string += ETH_GSTRING_LEN; sprintf(string, "txq%d_consumer_index", q_num); string += ETH_GSTRING_LEN; sprintf(string, "txq%d_hw_consumer_index", q_num); string += ETH_GSTRING_LEN; q_num++; } } break; default: break; } mutex_unlock(&bnad->conf_mutex); }

Contributors

PersonTokensPropCommitsCommitProp
Rasesh Mody101797.51%375.00%
Ivan Vecera262.49%125.00%
Total1043100.00%4100.00%


static int bnad_get_stats_count_locked(struct net_device *netdev) { struct bnad *bnad = netdev_priv(netdev); int i, j, count = 0, rxf_active_num = 0, txf_active_num = 0; u32 bmap; bmap = bna_tx_rid_mask(&bnad->bna); for (i = 0; bmap; i++) { if (bmap & 1) txf_active_num++; bmap >>= 1; } bmap = bna_rx_rid_mask(&bnad->bna); for (i = 0; bmap; i++) { if (bmap & 1) rxf_active_num++; bmap >>= 1; } count = BNAD_ETHTOOL_STATS_NUM + txf_active_num * BNAD_NUM_TXF_COUNTERS + rxf_active_num * BNAD_NUM_RXF_COUNTERS; for (i = 0; i < bnad->num_rx; i++) { if (!bnad->rx_info[i].rx) continue; count += bnad->num_rxp_per_rx * BNAD_NUM_CQ_COUNTERS; count += bnad->num_rxp_per_rx * BNAD_NUM_RXQ_COUNTERS; for (j = 0; j < bnad->num_rxp_per_rx; j++) if (bnad->rx_info[i].rx_ctrl[j].ccb && bnad->rx_info[i].rx_ctrl[j].ccb->rcb[1] && bnad->rx_info[i].rx_ctrl[j].ccb->rcb[1]->rxq) count += BNAD_NUM_RXQ_COUNTERS; } for (i = 0; i < bnad->num_tx; i++) { if (!bnad->tx_info[i].tx) continue; count += bnad->num_txq_per_tx * BNAD_NUM_TXQ_COUNTERS; } return count; }

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PersonTokensPropCommitsCommitProp
Rasesh Mody287100.00%3100.00%
Total287100.00%3100.00%


static int bnad_per_q_stats_fill(struct bnad *bnad, u64 *buf, int bi) { int i, j; struct bna_rcb *rcb = NULL; struct bna_tcb *tcb = NULL; for (i = 0; i < bnad->num_rx; i++) { if (!bnad->rx_info[i].rx) continue; for (j = 0; j < bnad->num_rxp_per_rx; j++) if (bnad->rx_info[i].rx_ctrl[j].ccb && bnad->rx_info[i].rx_ctrl[j].ccb->rcb[0] && bnad->rx_info[i].rx_ctrl[j].ccb->rcb[0]->rxq) { buf[bi++] = bnad->rx_info[i].rx_ctrl[j]. ccb->producer_index; buf[bi++] = 0; /* ccb->consumer_index */ buf[bi++] = *(bnad->rx_info[i].rx_ctrl[j]. ccb->hw_producer_index); buf[bi++] = bnad->rx_info[i]. rx_ctrl[j].rx_intr_ctr; buf[bi++] = bnad->rx_info[i]. rx_ctrl[j].rx_poll_ctr; buf[bi++] = bnad->rx_info[i]. rx_ctrl[j].rx_schedule; buf[bi++] = bnad->rx_info[i]. rx_ctrl[j].rx_keep_poll; buf[bi++] = bnad->rx_info[i]. rx_ctrl[j].rx_complete; } } for (i = 0; i < bnad->num_rx; i++) { if (!bnad->rx_info[i].rx) continue; for (j = 0; j < bnad->num_rxp_per_rx; j++) if (bnad->rx_info[i].rx_ctrl[j].ccb) { if (bnad->rx_info[i].rx_ctrl[j].ccb->rcb[0] && bnad->rx_info[i].rx_ctrl[j].ccb-> rcb[0]->rxq) { rcb = bnad->rx_info[i].rx_ctrl[j]. ccb->rcb[0]; buf[bi++] = rcb->rxq->rx_packets; buf[bi++] = rcb->rxq->rx_bytes; buf[bi++] = rcb->rxq-> rx_packets_with_error; buf[bi++] = rcb->rxq-> rxbuf_alloc_failed; buf[bi++] = rcb->rxq->rxbuf_map_failed; buf[bi++] = rcb->producer_index; buf[bi++] = rcb->consumer_index; } if (bnad->rx_info[i].rx_ctrl[j].ccb->rcb[1] && bnad->rx_info[i].rx_ctrl[j].ccb-> rcb[1]->rxq) { rcb = bnad->rx_info[i].rx_ctrl[j]. ccb->rcb[1]; buf[bi++] = rcb->rxq->rx_packets; buf[bi++] = rcb->rxq->rx_bytes; buf[bi++] = rcb->rxq-> rx_packets_with_error; buf[bi++] = rcb->rxq-> rxbuf_alloc_failed; buf[bi++] = rcb->rxq->rxbuf_map_failed; buf[bi++] = rcb->producer_index; buf[bi++] = rcb->consumer_index; } } } for (i = 0; i < bnad->num_tx; i++) { if (!bnad->tx_info[i].tx) continue; for (j = 0; j < bnad->num_txq_per_tx; j++) if (bnad->tx_info[i].tcb[j] && bnad->tx_info[i].tcb[j]->txq) { tcb = bnad->tx_info[i].tcb[j]; buf[bi++] = tcb->txq->tx_packets; buf[bi++] = tcb->txq->tx_bytes; buf[bi++] = tcb->producer_index; buf[bi++] = tcb->consumer_index; buf[bi++] = *(tcb->hw_consumer_index); } } return bi; }

Contributors

PersonTokensPropCommitsCommitProp
Rasesh Mody77496.99%266.67%
Ivan Vecera243.01%133.33%
Total798100.00%3100.00%


static void bnad_get_ethtool_stats(struct net_device *netdev, struct ethtool_stats *stats, u64 *buf) { struct bnad *bnad = netdev_priv(netdev); int i, j, bi = 0; unsigned long flags; struct rtnl_link_stats64 net_stats64; u64 *stats64; u32 bmap; mutex_lock(&bnad->conf_mutex); if (bnad_get_stats_count_locked(netdev) != stats->n_stats) { mutex_unlock(&bnad->conf_mutex); return; } /* * Used bna_lock to sync reads from bna_stats, which is written * under the same lock */ spin_lock_irqsave(&bnad->bna_lock, flags); memset(&net_stats64, 0, sizeof(net_stats64)); bnad_netdev_qstats_fill(bnad, &net_stats64); bnad_netdev_hwstats_fill(bnad, &net_stats64); buf[bi++] = net_stats64.rx_packets; buf[bi++] = net_stats64.tx_packets; buf[bi++] = net_stats64.rx_bytes; buf[bi++] = net_stats64.tx_bytes; buf[bi++] = net_stats64.rx_errors; buf[bi++] = net_stats64.tx_errors; buf[bi++] = net_stats64.rx_dropped; buf[bi++] = net_stats64.tx_dropped; buf[bi++] = net_stats64.multicast; buf[bi++] = net_stats64.collisions; buf[bi++] = net_stats64.rx_length_errors; buf[bi++] = net_stats64.rx_crc_errors; buf[bi++] = net_stats64.rx_frame_errors; buf[bi++] = net_stats64.tx_fifo_errors; /* Get netif_queue_stopped from stack */ bnad->stats.drv_stats.netif_queue_stopped = netif_queue_stopped(netdev); /* Fill driver stats into ethtool buffers */ stats64 = (u64 *)&bnad->stats.drv_stats; for (i = 0; i < sizeof(struct bnad_drv_stats) / sizeof(u64); i++) buf[bi++] = stats64[i]; /* Fill hardware stats excluding the rxf/txf into ethtool bufs */ stats64 = (u64 *) &bnad->stats.bna_stats->hw_stats; for (i = 0; i < offsetof(struct bfi_enet_stats, rxf_stats[0]) / sizeof(u64); i++) buf[bi++] = stats64[i]; /* Fill txf stats into ethtool buffers */ bmap = bna_tx_rid_mask(&bnad->bna); for (i = 0; bmap; i++) { if (bmap & 1) { stats64 = (u64 *)&bnad->stats.bna_stats-> hw_stats.txf_stats[i]; for (j = 0; j < sizeof(struct bfi_enet_stats_txf) / sizeof(u64); j++) buf[bi++] = stats64[j]; } bmap >>= 1; } /* Fill rxf stats into ethtool buffers */ bmap = bna_rx_rid_mask(&bnad->bna); for (i = 0; bmap; i++) { if (bmap & 1) { stats64 = (u64 *)&bnad->stats.bna_stats-> hw_stats.rxf_stats[i]; for (j = 0; j < sizeof(struct bfi_enet_stats_rxf) / sizeof(u64); j++) buf[bi++] = stats64[j]; } bmap >>= 1; } /* Fill per Q stats into ethtool buffers */ bi = bnad_per_q_stats_fill(bnad, buf, bi); spin_unlock_irqrestore(&bnad->bna_lock, flags); mutex_unlock(&bnad->conf_mutex); }

Contributors

PersonTokensPropCommitsCommitProp
Rasesh Mody43473.94%360.00%
Ivan Vecera14324.36%120.00%
Eric Dumazet101.70%120.00%
Total587100.00%5100.00%


static int bnad_get_sset_count(struct net_device *netdev, int sset) { switch (sset) { case ETH_SS_STATS: return bnad_get_stats_count_locked(netdev); default: return -EOPNOTSUPP; } }

Contributors

PersonTokensPropCommitsCommitProp
Rasesh Mody34100.00%1100.00%
Total34100.00%1100.00%


static u32 bnad_get_flash_partition_by_offset(struct bnad *bnad, u32 offset, u32 *base_offset) { struct bfa_flash_attr *flash_attr; struct bnad_iocmd_comp fcomp; u32 i, flash_part = 0, ret; unsigned long flags = 0; flash_attr = kzalloc(sizeof(struct bfa_flash_attr), GFP_KERNEL); if (!flash_attr) return 0; fcomp.bnad = bnad; fcomp.comp_status = 0; init_completion(&fcomp.comp); spin_lock_irqsave(&bnad->bna_lock, flags); ret = bfa_nw_flash_get_attr(&bnad->bna.flash, flash_attr, bnad_cb_completion, &fcomp); if (ret != BFA_STATUS_OK) { spin_unlock_irqrestore(&bnad->bna_lock, flags); kfree(flash_attr); return 0; } spin_unlock_irqrestore(&bnad->bna_lock, flags); wait_for_completion(&fcomp.comp); ret = fcomp.comp_status; /* Check for the flash type & base offset value */ if (ret == BFA_STATUS_OK) { for (i = 0; i < flash_attr->npart; i++) { if (offset >= flash_attr->part[i].part_off && offset < (flash_attr->part[i].part_off + flash_attr->part[i].part_size)) { flash_part = flash_attr->part[i].part_type; *base_offset = flash_attr->part[i].part_off; break; } } } kfree(flash_attr); return flash_part; }

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PersonTokensPropCommitsCommitProp
Krishna Gudipati25398.44%150.00%
Dan Carpenter41.56%150.00%
Total257100.00%2100.00%


static int bnad_get_eeprom_len(struct net_device *netdev) { return BFA_TOTAL_FLASH_SIZE; }

Contributors

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Krishna Gudipati14100.00%1100.00%
Total14100.00%1100.00%


static int bnad_get_eeprom(struct net_device *netdev, struct ethtool_eeprom *eeprom, u8 *bytes) { struct bnad *bnad = netdev_priv(netdev); struct bnad_iocmd_comp fcomp; u32 flash_part = 0, base_offset = 0; unsigned long flags = 0; int ret = 0; /* Fill the magic value */ eeprom->magic = bnad->pcidev->vendor | (bnad->pcidev->device << 16); /* Query the flash partition based on the offset */ flash_part = bnad_get_flash_partition_by_offset(bnad, eeprom->offset, &base_offset); if (flash_part == 0) return -EFAULT; fcomp.bnad = bnad; fcomp.comp_status = 0; init_completion(&fcomp.comp); spin_lock_irqsave(&bnad->bna_lock, flags); ret = bfa_nw_flash_read_part(&bnad->bna.flash, flash_part, bnad->id, bytes, eeprom->len, eeprom->offset - base_offset, bnad_cb_completion, &fcomp); if (ret != BFA_STATUS_OK) { spin_unlock_irqrestore(&bnad->bna_lock, flags); goto done; } spin_unlock_irqrestore(&bnad->bna_lock, flags); wait_for_completion(&fcomp.comp); ret = fcomp.comp_status; done: return ret; }

Contributors

PersonTokensPropCommitsCommitProp
Krishna Gudipati21198.14%133.33%
Ivan Vecera31.40%133.33%
Dan Carpenter10.47%133.33%
Total215100.00%3100.00%


static int bnad_set_eeprom(struct net_device *netdev, struct ethtool_eeprom *eeprom, u8 *bytes) { struct bnad *bnad = netdev_priv(netdev); struct bnad_iocmd_comp fcomp; u32 flash_part = 0, base_offset = 0; unsigned long flags = 0; int ret = 0; /* Check if the flash update request is valid */ if (eeprom->magic != (bnad->pcidev->vendor | (bnad->pcidev->device << 16))) return -EINVAL; /* Query the flash partition based on the offset */ flash_part = bnad_get_flash_partition_by_offset(bnad, eeprom->offset, &base_offset); if (flash_part == 0) return -EFAULT; fcomp.bnad = bnad; fcomp.comp_status = 0; init_completion(&fcomp.comp); spin_lock_irqsave(&bnad->bna_lock, flags); ret = bfa_nw_flash_update_part(&bnad->bna.flash, flash_part, bnad->id, bytes, eeprom->len, eeprom->offset - base_offset, bnad_cb_completion, &fcomp); if (ret != BFA_STATUS_OK) { spin_unlock_irqrestore(&bnad->bna_lock, flags); goto done; } spin_unlock_irqrestore(&bnad->bna_lock, flags); wait_for_completion(&fcomp.comp); ret = fcomp.comp_status; done: return ret; }

Contributors

PersonTokensPropCommitsCommitProp
Krishna Gudipati22299.55%150.00%
Dan Carpenter10.45%150.00%
Total223100.00%2100.00%


static int bnad_flash_device(struct net_device *netdev, struct ethtool_flash *eflash) { struct bnad *bnad = netdev_priv(netdev); struct bnad_iocmd_comp fcomp; const struct firmware *fw; int ret = 0; ret = request_firmware(&fw, eflash->data, &bnad->pcidev->dev); if (ret) { netdev_err(netdev, "can't load firmware %s\n", eflash->data); goto out; } fcomp.bnad = bnad; fcomp.comp_status = 0; init_completion(&fcomp.comp); spin_lock_irq(&bnad->bna_lock); ret = bfa_nw_flash_update_part(&bnad->bna.flash, BFA_FLASH_PART_FWIMG, bnad->id, (u8 *)fw->data, fw->size, 0, bnad_cb_completion, &fcomp); if (ret != BFA_STATUS_OK) { netdev_warn(netdev, "flash update failed with err=%d\n", ret); ret = -EIO; spin_unlock_irq(&bnad->bna_lock); goto out; } spin_unlock_irq(&bnad->bna_lock); wait_for_completion(&fcomp.comp); if (fcomp.comp_status != BFA_STATUS_OK) { ret = -EIO; netdev_warn(netdev, "firmware image update failed with err=%d\n", fcomp.comp_status); } out: release_firmware(fw); return ret; }

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PersonTokensPropCommitsCommitProp
Krishna Gudipati21894.78%150.00%
Ivan Vecera125.22%150.00%
Total230100.00%2100.00%

static const struct ethtool_ops bnad_ethtool_ops = { .get_drvinfo = bnad_get_drvinfo, .get_wol = bnad_get_wol, .get_link = ethtool_op_get_link, .get_coalesce = bnad_get_coalesce, .set_coalesce = bnad_set_coalesce, .get_ringparam = bnad_get_ringparam, .set_ringparam = bnad_set_ringparam, .get_pauseparam = bnad_get_pauseparam, .set_pauseparam = bnad_set_pauseparam, .get_strings = bnad_get_strings, .get_ethtool_stats = bnad_get_ethtool_stats, .get_sset_count = bnad_get_sset_count, .get_eeprom_len = bnad_get_eeprom_len, .get_eeprom = bnad_get_eeprom, .set_eeprom = bnad_set_eeprom, .flash_device = bnad_flash_device, .get_ts_info = ethtool_op_get_ts_info, .get_link_ksettings = bnad_get_link_ksettings, .set_link_ksettings = bnad_set_link_ksettings, };
void bnad_set_ethtool_ops(struct net_device *netdev) { netdev->ethtool_ops = &bnad_ethtool_ops; }

Contributors

PersonTokensPropCommitsCommitProp
Rasesh Mody1482.35%150.00%
Wilfried Klaebe317.65%150.00%
Total17100.00%2100.00%


Overall Contributors

PersonTokensPropCommitsCommitProp
Rasesh Mody445077.77%1038.46%
Krishna Gudipati93916.41%27.69%
Ivan Vecera2203.84%623.08%
Philippe Reynes641.12%13.85%
Rick Jones240.42%13.85%
Eric Dumazet100.17%13.85%
Dan Carpenter60.10%13.85%
Wilfried Klaebe30.05%13.85%
Stephen Hemminger20.03%13.85%
Jing Huang20.03%13.85%
Jiri Pirko20.03%13.85%
Total5722100.00%26100.00%
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