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Message-ID: <200908290518.n7T5IdjW031875@blc-10-10.brocade.com>
Date: Fri, 28 Aug 2009 22:18:39 -0700
From: Rasesh Mody <rmody@...cade.com>
To: netdev@...r.kernel.org
CC: amathur@...cade.com
Subject: Subject: [PATCH 1/9] bna: Brocade 10Gb Ethernet device driver
From: Rasesh Mody <rmody@...cade.com>
This is patch 1/9 which contains linux driver source for
Brocade's BR1010/BR1020 10Gb CEE capable ethernet adapter.
We wish this patch to be considered for inclusion in 2.6.30
Signed-off-by: Rasesh Mody <rmody@...cade.com>
---
diff -ruP linux-2.6.30.5-orig/drivers/net/bna/bnad.c linux-2.6.30.5-mod/drivers/net/bna/bnad.c
--- linux-2.6.30.5-orig/drivers/net/bna/bnad.c 1969-12-31 16:00:00.000000000 -0800
+++ linux-2.6.30.5-mod/drivers/net/bna/bnad.c 2009-08-28 21:09:22.507968000 -0700
@@ -0,0 +1,4878 @@
+/*
+ * Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
+ * All rights reserved
+ * www.brocade.com
+ *
+ * Linux network driver for Brocade 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) 2005-2009 Brocade Communications Systems, Inc.
+ * All rights reserved.
+ */
+
+/**
+ * bnad.c Brocade 10G PCIe Ethernet driver.
+ */
+
+#if defined(__VMKERNEL_MODULE__) && !defined(__x86_64__)
+#include "smp_drv.h"
+#endif
+
+#include <linux/kernel.h>
+#if (!defined (__VMKERNEL_MODULE__) || defined(__x86_64__)) && !defined(__ESX_COS__)
+#include <linux/interrupt.h>
+#endif
+#include <linux/netdevice.h>
+#include <linux/skbuff.h>
+#include <linux/pci.h>
+#include <linux/bitops.h>
+#include <linux/etherdevice.h>
+#include <linux/in.h>
+#include <linux/ethtool.h>
+#include <linux/if_vlan.h>
+#include <linux/delay.h>
+#ifndef __VMKERNEL_MODULE__
+#include <linux/rtnetlink.h>
+#endif
+#include <linux/if_ether.h>
+#ifndef __VMKERNEL_MODULE__
+#include <linux/workqueue.h>
+#endif
+#include <linux/ip.h>
+#ifndef __VMKERNEL_MODULE__
+#include <linux/ipv6.h>
+#endif
+#include <linux/tcp.h>
+#include <linux/udp.h>
+#include <linux/pm.h>
+#include <linux/random.h>
+
+#ifdef NETIF_F_TSO
+#include <net/checksum.h>
+#endif
+
+#if defined(__VMKERNEL_MODULE__) || defined(__ESX_COS__)
+#include <linux/module.h>
+#endif
+
+#if defined(__VMKERNEL_MODULE__)
+#include <linux/smp.h>
+#include "vmklinux_dist.h"
+#endif
+
+#include "bnad.h"
+#include "bna_os.h"
+#include "bna_log_trc.h"
+#include "bna_iocll.h"
+#include "bna_intr.h"
+#include "bnad_defs.h"
+#include "bnad_trcmod.h"
+
+#ifdef BNAD_NO_IP_ALIGN
+#undef NET_IP_ALIGN
+#define NET_IP_ALIGN 0
+#endif
+
+BNA_TRC_FILE(LDRV, BNAD);
+BNA_TRC_SET_LEVEL(TRACE_INFO_LEVEL);
+
+BNA_LOG_INIT((bna_log_func_t) printk);
+
+#define BNAD_TXQ_WI_NEEDED(_vectors) (((_vectors) + 3) >> 2)
+
+#define BNAD_RESET_Q(_bnad, _q, _unmap_q) \
+do { \
+ if ((_q)->producer_index != (_q)->consumer_index) { \
+ BNA_TRACE_ERROR((_bnad), (_q)->producer_index, \
+ ("Q producer index %u != ", (_q)->producer_index)); \
+ BNA_TRACE_ERROR((_bnad), (_q)->consumer_index, \
+ ("consumer index %u\n", (_q)->consumer_index)); \
+ } \
+ BNA_ASSERT((_q)->producer_index == (_q)->consumer_index); \
+ if ((_unmap_q)->producer_index != (_unmap_q)->consumer_index) { \
+ BNA_TRACE_ERROR((_bnad), (_unmap_q)->producer_index, \
+ ("UnmapQ producer index %u != ", \
+ (_unmap_q)->producer_index)); \
+ BNA_TRACE_ERROR((_bnad), (_unmap_q)->consumer_index, \
+ ("consumer index %u\n", \
+ (_unmap_q)->consumer_index)); \
+ } \
+ BNA_ASSERT((_unmap_q)->producer_index == (_unmap_q)->consumer_index); \
+ (_q)->producer_index = 0; \
+ (_q)->consumer_index = 0; \
+ (_unmap_q)->producer_index = 0; \
+ (_unmap_q)->consumer_index = 0; \
+ { \
+ u32 _ui; \
+ for (_ui = 0; _ui < (_unmap_q)->q_depth; _ui++) \
+ BNA_ASSERT(!(_unmap_q)->unmap_array[_ui].skb); \
+ } \
+} while (0)
+
+static uint bnad_msix = 1;
+module_param(bnad_msix, uint, 0444);
+MODULE_PARM_DESC(bnad_msix, "Enable MSI-X");
+
+uint bnad_small_large_rxbufs = 1;
+module_param(bnad_small_large_rxbufs, uint, 0444);
+MODULE_PARM_DESC(bnad_small_large_rxbufs, "Enable small/large buffer receive");
+
+static uint bnad_rxqsets_used = 0;
+module_param(bnad_rxqsets_used, uint, 0444);
+MODULE_PARM_DESC(bnad_rxqsets_used, "Number of RxQ sets to be used");
+
+static uint bnad_ipid_mode = 0;
+module_param(bnad_ipid_mode, uint, 0444);
+MODULE_PARM_DESC(bnad_ipid_mode, "0 - Use IP ID 0x0000 - 0x7FFF for LSO; "
+ "1 - Use full range of IP ID for LSO");
+
+uint bnad_txq_depth = BNAD_ENTRIES_PER_TXQ;
+module_param(bnad_txq_depth, uint, 0444);
+MODULE_PARM_DESC(bnad_txq_depth, "Maximum number of entries per TxQ");
+
+uint bnad_rxq_depth = BNAD_ENTRIES_PER_RXQ;
+module_param(bnad_rxq_depth, uint, 0444);
+MODULE_PARM_DESC(bnad_rxq_depth, "Maximum number of entries per RxQ");
+
+static uint bnad_vlan_strip = 1;
+module_param(bnad_vlan_strip, uint, 0444);
+MODULE_PARM_DESC(bnad_vlan_strip, "Let the hardware strip off VLAN header");
+
+static uint bnad_log_level = LOG_WARN_LEVEL;
+module_param(bnad_log_level, uint, 0644);
+MODULE_PARM_DESC(bnad_log_level, "Log level");
+
+static uint bnad_ioc_auto_recover = 1;
+module_param(bnad_ioc_auto_recover, uint, 0644);
+MODULE_PARM_DESC(bnad_ioc_auto_recover, "Enable auto recovery");
+
+uint bnad_rxqs_per_cq;
+
+extern u32 bfi_image_ct_size;
+extern u32 *bfi_image_ct;
+extern u32 *bfad_get_firmware_buf(struct pci_dev *pdev);
+
+static void bnad_disable_msix(struct bnad *bnad);
+static void bnad_free_ibs(struct bnad *bnad);
+static void bnad_set_rx_mode(struct net_device *netdev);
+static void bnad_set_rx_mode_locked(struct net_device *netdev);
+static void bnad_reconfig_vlans(struct bnad *bnad);
+static void bnad_q_num_init(struct bnad *bnad, uint rxqsets);
+static int bnad_set_mac_address(struct net_device *netdev, void *addr);
+static int bnad_set_mac_address_locked(struct net_device *netdev, void *addr);
+
+static int
+bnad_check_module_params(void)
+{
+ /* bnad_msix */
+ if (bnad_msix && bnad_msix != 1)
+ printk(KERN_WARNING "bna: bnad_msix should be 0 or 1, "
+ "%u is invalid, set bnad_msix to 1\n", bnad_msix);
+
+ /* bnad_small_large_rxbufs */
+ if (bnad_small_large_rxbufs && bnad_small_large_rxbufs != 1)
+ printk(KERN_WARNING "bna: bnad_small_large_rxbufs should be "
+ "0 or 1, %u is invalid, set bnad_small_large_rxbufs to 1\n",
+ bnad_small_large_rxbufs);
+ if (bnad_small_large_rxbufs)
+ bnad_rxqs_per_cq = 2;
+ else
+ bnad_rxqs_per_cq = 1;
+
+ /* bnad_rxqsets_used */
+ if (bnad_rxqsets_used > BNAD_MAX_RXQS / bnad_rxqs_per_cq) {
+ printk(KERN_ERR "bna: the maximum value for bnad_rxqsets_used "
+ "is %u, %u is invalid\n",
+ BNAD_MAX_RXQS / bnad_rxqs_per_cq, bnad_rxqsets_used);
+ return -EINVAL;
+ }
+ if (!BNA_POWER_OF_2(bnad_rxqsets_used)) {
+ printk(KERN_ERR "bna: bnad_rxqsets_used should be power of 2, "
+ "%u is invalid\n", bnad_rxqsets_used);
+ return -EINVAL;
+ }
+ if (bnad_rxqsets_used > (uint) num_online_cpus())
+ printk(KERN_WARNING "bna: set bnad_rxqsets_used (%u) "
+ "larger than number of CPUs (%d) may not be helpful\n",
+ bnad_rxqsets_used, num_online_cpus());
+
+ /* bnad_ipid_mode */
+ if (bnad_ipid_mode && bnad_ipid_mode != 1) {
+ printk(KERN_ERR "bna: bnad_ipid_mode should be 0 or 1, "
+ "%u is invalid\n", bnad_ipid_mode);
+ return -EINVAL;
+ }
+
+ /* bnad_txq_depth */
+ if (bnad_txq_depth > BNAD_MAX_Q_DEPTH) {
+ printk(KERN_ERR "bna: bnad_txq_depth should be <= %u, "
+ "%u is invalid\n", BNAD_MAX_Q_DEPTH, bnad_txq_depth);
+ return -EINVAL;
+ }
+ if (!BNA_POWER_OF_2(bnad_txq_depth)) {
+ printk(KERN_ERR "bna: bnad_txq_depth should be power of 2, "
+ "%u is invalid\n", bnad_txq_depth);
+ return -EINVAL;
+ }
+ if (bnad_txq_depth < BNAD_MIN_Q_DEPTH) {
+ printk(KERN_ERR "bna: bnad_txq_depth should be >= %u, "
+ "%u is invalid\n", BNAD_MIN_Q_DEPTH, bnad_txq_depth);
+ return -EINVAL;
+ }
+
+ /* bnad_rxq_depth */
+ if (bnad_rxq_depth > BNAD_MAX_Q_DEPTH / bnad_rxqs_per_cq) {
+ printk(KERN_ERR "bna: bnad_rxq_depth should be <= %u, "
+ "%u is invalid\n", BNAD_MAX_Q_DEPTH / bnad_rxqs_per_cq,
+ bnad_rxq_depth);
+ return -EINVAL;
+ }
+ if (!BNA_POWER_OF_2(bnad_rxq_depth)) {
+ printk(KERN_ERR "bna: bnad_rxq_depth should be power of 2, "
+ "%u is invalid\n", bnad_rxq_depth);
+ return -EINVAL;
+ }
+ if (bnad_rxq_depth < BNAD_MIN_Q_DEPTH) {
+ printk(KERN_ERR "bna: bnad_rxq_depth should be >= %u, "
+ "%u is invalid\n", BNAD_MIN_Q_DEPTH, bnad_rxq_depth);
+ return -EINVAL;
+ }
+
+ /* bnad_vlan_strip */
+ if (bnad_vlan_strip && bnad_vlan_strip != 1)
+ printk(KERN_WARNING "bna: bnad_vlan_strip should be 0 or 1, "
+ "%u is invalid, set bnad_vlan_strip to 1\n",
+ bnad_vlan_strip);
+
+ /* bnad_ioc_auto_recover */
+ if (bnad_ioc_auto_recover && bnad_ioc_auto_recover != 1)
+ printk(KERN_WARNING
+ "bna: bnad_ioc_auto_recover should be 0 or 1, "
+ "%u is invalid, set bnad_ioc_auto_recover to 1\n",
+ bnad_ioc_auto_recover);
+
+ logmod.current_lvl = bnad_log_level;
+
+ return 0;
+}
+
+u32
+bnad_get_msglevel(struct net_device *netdev)
+{
+ return logmod.current_lvl;
+}
+
+void
+bnad_set_msglevel(struct net_device *netdev, u32 msglevel)
+{
+ logmod.current_lvl = msglevel;
+}
+
+static unsigned int
+bnad_free_txbufs(struct bnad_txq_info *txqinfo, u16 updated_txq_cons)
+{
+ struct bnad *bnad = txqinfo->bnad;
+ unsigned int sent_packets = 0, sent_bytes = 0;
+ u16 wis, unmap_cons;
+ struct bnad_skb_unmap *unmap_array;
+ struct sk_buff *skb;
+ int i;
+
+ wis = BNAD_Q_INDEX_CHANGE(txqinfo->txq.q.consumer_index,
+ updated_txq_cons, txqinfo->txq.q.q_depth);
+ BNA_ASSERT(wis <=
+ BNA_QE_IN_USE_CNT(&txqinfo->txq.q, txqinfo->txq.q.q_depth));
+ unmap_array = txqinfo->skb_unmap_q.unmap_array;
+ unmap_cons = txqinfo->skb_unmap_q.consumer_index;
+ prefetch(&unmap_array[unmap_cons + 1]);
+ while (wis) {
+ skb = unmap_array[unmap_cons].skb;
+ BNA_ASSERT(skb);
+ unmap_array[unmap_cons].skb = NULL;
+ BNA_ASSERT(wis >=
+ BNAD_TXQ_WI_NEEDED(1 + skb_shinfo(skb)->nr_frags));
+ BNA_ASSERT(((txqinfo->skb_unmap_q.producer_index -
+ unmap_cons) & (txqinfo->skb_unmap_q.q_depth -
+ 1)) >=
+ 1 + skb_shinfo(skb)->nr_frags);
+
+ sent_packets++;
+ sent_bytes += skb->len;
+ wis -= BNAD_TXQ_WI_NEEDED(1 + skb_shinfo(skb)->nr_frags);
+
+ pci_unmap_single(bnad->pcidev,
+ pci_unmap_addr(&unmap_array[unmap_cons],
+ dma_addr), skb_headlen(skb),
+ PCI_DMA_TODEVICE);
+ pci_unmap_addr_set(&unmap_array[unmap_cons], dma_addr, 0);
+ BNA_QE_INDX_ADD(unmap_cons, 1, txqinfo->skb_unmap_q.q_depth);
+ prefetch(&unmap_array[unmap_cons + 1]);
+ for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
+ pci_unmap_page(bnad->pcidev,
+ pci_unmap_addr(&unmap_array[unmap_cons],
+ dma_addr),
+ skb_shinfo(skb)->frags[i].size,
+ PCI_DMA_TODEVICE);
+ pci_unmap_addr_set(&unmap_array[unmap_cons], dma_addr,
+ 0);
+ BNA_QE_INDX_ADD(unmap_cons, 1,
+ txqinfo->skb_unmap_q.q_depth);
+ prefetch(&unmap_array[unmap_cons + 1]);
+ }
+ dev_kfree_skb_any(skb);
+ }
+
+ /* Update consumer pointers. */
+ txqinfo->txq.q.consumer_index = updated_txq_cons;
+ txqinfo->skb_unmap_q.consumer_index = unmap_cons;
+ txqinfo->tx_packets += sent_packets;
+ txqinfo->tx_bytes += sent_bytes;
+ return sent_packets;
+}
+
+#ifdef BNAD_LRO
+static int
+bnad_lro_get_skb_header(struct sk_buff *skb, void **iphdr,
+ void **tcphdr, u64 * hdr_flags, void *priv)
+{
+ struct bna_cq_entry *cmpl = priv;
+ u32 flags = ntohl(cmpl->flags);
+
+ if ((flags & BNA_CQ_EF_IPV4) && (flags & BNA_CQ_EF_TCP)) {
+ skb_reset_network_header(skb);
+ skb_set_transport_header(skb, ip_hdrlen(skb));
+ *iphdr = ip_hdr(skb);
+ *tcphdr = tcp_hdr(skb);
+ *hdr_flags = LRO_IPV4 | LRO_TCP;
+ return 0;
+ } else {
+ return -1;
+ }
+}
+#endif
+
+#ifdef BNAD_NAPI
+
+static inline void
+bnad_disable_txrx_irqs(struct bnad *bnad)
+{
+ int i;
+
+ for (i = 0; i < bnad->txq_num; i++) {
+ bna_ib_coalescing_timer_set(bnad->priv, &bnad->txq_table[i].ib,
+ 0);
+ bna_ib_ack(bnad->priv, &bnad->txq_table[i].ib, 0);
+ }
+
+ for (i = 0; i < bnad->cq_num; i++) {
+#if defined(__VMKERNEL_MODULE__) && defined(__VMKNETDDI_QUEUEOPS__)
+ if (!test_bit(i, &bnad->cq_active))
+ continue;
+#endif
+ bna_ib_coalescing_timer_set(bnad->priv, &bnad->cq_table[i].ib,
+ 0);
+ bna_ib_ack(bnad->priv, &bnad->cq_table[i].ib, 0);
+ }
+}
+
+static inline void
+bnad_enable_txrx_irqs(struct bnad *bnad)
+{
+ int i;
+
+ spin_lock_irq(&bnad->priv_lock);
+ for (i = 0; i < bnad->txq_num; i++) {
+ bna_ib_coalescing_timer_set(bnad->priv,
+ &bnad->txq_table[i].ib,
+ bnad->tx_coalescing_timeo);
+ bna_ib_ack(bnad->priv, &bnad->txq_table[i].ib, 0);
+ }
+
+ for (i = 0; i < bnad->cq_num; i++) {
+#if defined(__VMKERNEL_MODULE__) && defined(__VMKNETDDI_QUEUEOPS__)
+ if (!test_bit(i, &bnad->cq_active))
+ continue;
+#endif
+#ifdef BNA_DYN_INTR_MOD
+ bna_ib_coalescing_timer_set(bnad->priv,
+ &bnad->cq_table[i].ib,
+ bnad->cq_table[i].
+ rx_coalescing_timeo);
+#else
+ bna_ib_coalescing_timer_set(bnad->priv,
+ &bnad->cq_table[i].ib,
+ bnad->rx_coalescing_timeo);
+#endif
+ bna_ib_ack(bnad->priv, &bnad->cq_table[i].ib, 0);
+ }
+ spin_unlock_irq(&bnad->priv_lock);
+}
+
+#ifdef BNAD_NEW_NAPI
+static inline void
+bnad_disable_rx_irq(struct bnad *bnad, struct bnad_cq_info *cqinfo)
+{
+ bna_ib_coalescing_timer_set(bnad->priv, &cqinfo->ib, 0);
+ bna_ib_ack(bnad->priv, &cqinfo->ib, 0);
+}
+static inline void
+bnad_enable_rx_irq(struct bnad *bnad, struct bnad_cq_info *cqinfo)
+{
+ spin_lock_irq(&bnad->priv_lock);
+
+#ifdef BNA_DYN_INTR_MOD
+ bna_ib_coalescing_timer_set(bnad->priv, &cqinfo->ib,
+ cqinfo->rx_coalescing_timeo);
+#else
+ bna_ib_coalescing_timer_set(bnad->priv, &cqinfo->ib,
+ bnad->rx_coalescing_timeo);
+#endif
+ bna_ib_ack(bnad->priv, &cqinfo->ib, 0);
+ spin_unlock_irq(&bnad->priv_lock);
+}
+#endif
+
+#endif /* BNAD_NAPI */
+
+static unsigned int
+bnad_tx(struct bnad *bnad, struct bnad_txq_info *txqinfo)
+{
+ struct net_device *netdev = bnad->netdev;
+ unsigned int sent;
+
+ if (test_and_set_bit(BNAD_TXQ_FREE_SENT, &txqinfo->flags))
+ return 0;
+
+ BNA_TRACE_DEBUG(bnad, bnad->bna_id, ("%s ", netdev->name));
+ BNA_TRACE_DEBUG(bnad, *txqinfo->hw_consumer_index,
+ ("TxQ hw consumer index %u\n",
+ *txqinfo->hw_consumer_index));
+ sent = bnad_free_txbufs(txqinfo, (u16) (*txqinfo->hw_consumer_index));
+ if (sent) {
+#ifdef BNAD_DIAG_LOOPBACK
+ if (!test_bit(BNAD_DIAG_LB_MODE, &bnad->state)) {
+#endif
+ if (netif_queue_stopped(netdev)
+ && netif_carrier_ok(netdev)
+ && BNA_Q_FREE_COUNT(&txqinfo->txq) >=
+ BNAD_NETIF_WAKE_THRESHOLD) {
+ netif_wake_queue(netdev);
+ bnad->stats.netif_queue_wakeup++;
+ }
+#ifdef BNAD_DIAG_LOOPBACK
+ }
+#endif
+ bna_ib_ack(bnad->priv, &txqinfo->ib, sent);
+ BNA_TRACE_DEBUG(bnad, sent, ("%s ack TxQ IB %u packets\n",
+ netdev->name, sent));
+ } else {
+ bna_ib_ack(bnad->priv, &txqinfo->ib, 0);
+ }
+
+ smp_mb__before_clear_bit();
+ clear_bit(BNAD_TXQ_FREE_SENT, &txqinfo->flags);
+
+ return sent;
+}
+
+static irqreturn_t
+bnad_msix_tx(int irq, void *data)
+{
+ struct bnad_txq_info *txqinfo = (struct bnad_txq_info *) data;
+ struct bnad *bnad = txqinfo->bnad;
+
+#if defined(__VMKERNEL_MODULE__) && defined(__VMKNETDDI_QUEUEOPS__)
+ atomic_inc(&txqinfo->counter);
+#endif
+
+#if 0
+ struct msix_entry *entries;
+ uint i;
+
+ if (likely(netif_rx_schedule_prep(bnad->netdev))) {
+ entries = bnad->msix_table;
+ for (i = 0; i < bnad->txq_num; i++)
+ disable_irq_nosync(entries[i].vector);
+ for (i = 0; i < bnad->cq_num; i++)
+ disable_irq(entries[bnad->txq_num + i].vector);
+ __netif_rx_schedule(bnad->netdev);
+ bnad->stats.netif_rx_schedule++;
+ }
+#else
+ bnad_tx(bnad, txqinfo);
+#endif
+
+#ifdef __VMKERNEL_MODULE__
+ vmk_net_inc_dev_intrcount(bnad->netdev);
+#endif
+#if defined(__VMKERNEL_MODULE__) && defined(__VMKNETDDI_QUEUEOPS__)
+ atomic_dec(&txqinfo->counter);
+#endif
+ return IRQ_HANDLED;
+}
+
+static void
+bnad_alloc_rxbufs(struct bnad_rxq_info *rxqinfo)
+{
+ u16 to_alloc, alloced, unmap_prod, wi_range;
+ struct bnad_skb_unmap *unmap_array;
+ struct bna_rxq_entry *rxent;
+ struct sk_buff *skb;
+ dma_addr_t dma_addr;
+
+ alloced = 0;
+ to_alloc = BNA_QE_FREE_CNT(&rxqinfo->skb_unmap_q,
+ rxqinfo->skb_unmap_q.q_depth);
+
+ unmap_array = rxqinfo->skb_unmap_q.unmap_array;
+ unmap_prod = rxqinfo->skb_unmap_q.producer_index;
+ BNA_RXQ_QPGE_PTR_GET(unmap_prod, &rxqinfo->rxq.q, rxent, wi_range);
+ BNA_ASSERT(wi_range && wi_range <= rxqinfo->rxq.q.q_depth);
+
+ while (to_alloc--) {
+ if (!wi_range) {
+ BNA_RXQ_QPGE_PTR_GET(unmap_prod, &rxqinfo->rxq.q, rxent,
+ wi_range);
+ BNA_ASSERT(wi_range
+ && wi_range <= rxqinfo->rxq.q.q_depth);
+ }
+#ifdef BNAD_RXBUF_HEADROOM
+ skb = netdev_alloc_skb(rxqinfo->bnad->netdev,
+ rxqinfo->rxq_config.buffer_size +
+ NET_IP_ALIGN);
+#else
+ skb = alloc_skb(rxqinfo->rxq_config.buffer_size + NET_IP_ALIGN,
+ GFP_ATOMIC);
+#endif
+ if (unlikely(!skb)) {
+ rxqinfo->rxbuf_alloc_failed++;
+ goto finishing;
+ }
+#ifndef BNAD_RXBUF_HEADROOM
+ skb->dev = rxqinfo->bnad->netdev;
+#endif
+ skb_reserve(skb, NET_IP_ALIGN);
+ unmap_array[unmap_prod].skb = skb;
+#if defined(__VMKERNEL_MODULE__) && !defined(__x86_64__)
+ dma_addr = skb->headMA;
+#else
+ dma_addr = pci_map_single(rxqinfo->bnad->pcidev, skb->data,
+ rxqinfo->rxq_config.buffer_size,
+ PCI_DMA_FROMDEVICE);
+#endif
+ pci_unmap_addr_set(&unmap_array[unmap_prod], dma_addr,
+ dma_addr);
+ BNA_SET_DMA_ADDR(dma_addr, &rxent->host_addr);
+ BNA_QE_INDX_ADD(unmap_prod, 1, rxqinfo->skb_unmap_q.q_depth);
+
+ rxent++;
+ wi_range--;
+ alloced++;
+ }
+
+ finishing:
+ if (likely(alloced)) {
+ rxqinfo->skb_unmap_q.producer_index = unmap_prod;
+ rxqinfo->rxq.q.producer_index = unmap_prod;
+ smp_mb();
+ bna_rxq_prod_indx_doorbell(&rxqinfo->rxq);
+ }
+}
+
+static inline void
+bnad_refill_rxq(struct bnad_rxq_info *rxqinfo)
+{
+ if (!test_and_set_bit(BNAD_RXQ_REFILL, &rxqinfo->flags)) {
+ if (BNA_QE_FREE_CNT(&rxqinfo->skb_unmap_q,
+ rxqinfo->skb_unmap_q.q_depth) >>
+ BNAD_RXQ_REFILL_THRESHOLD_SHIFT)
+ bnad_alloc_rxbufs(rxqinfo);
+ smp_mb__before_clear_bit();
+ clear_bit(BNAD_RXQ_REFILL, &rxqinfo->flags);
+ }
+}
+
+#if defined(BNAD_NAPI) || defined(BNAD_POLL_CQ)
+static unsigned int
+bnad_poll_cq(struct bnad *bnad, struct bnad_cq_info *cqinfo, int budget)
+{
+ struct bna_cq_entry *cmpl, *next_cmpl;
+ unsigned int wi_range, packets = 0, wis = 0;
+ struct bnad_rxq_info *rxqinfo = NULL;
+ struct bnad_unmap_q *unmap_q;
+ struct sk_buff *skb;
+ u32 flags;
+#ifdef BNA_DYN_INTR_MOD
+ struct bna_pkt_rate *pkt_rt = &cqinfo->pkt_rate;
+#endif
+
+ prefetch(bnad);
+ prefetch(bnad->netdev);
+ cmpl = bna_cq_pg_prod_ptr(&cqinfo->cq, &wi_range);
+ BNA_ASSERT(wi_range && wi_range <= cqinfo->cq.q.q_depth);
+ while (cmpl->valid && packets < budget) {
+#ifdef DEBUG_RX
+ BNA_LOG_DEBUG(("flags 0x%x vlan %u len %u rss %u valid 0x%x, "
+ "rxq %u\n", ntohl(cmpl->flags),
+ ntohs(cmpl->vlan_tag), ntohs(cmpl->length),
+ ntohl(cmpl->rss_hash), cmpl->valid,
+ cmpl->rxq_id));
+#endif
+ packets++;
+#ifdef BNA_DYN_INTR_MOD
+ BNA_UPDATE_PKT_CNT(pkt_rt, ntohs(cmpl->length));
+#endif
+ rxqinfo = &bnad->rxq_table[cmpl->rxq_id];
+ unmap_q = &rxqinfo->skb_unmap_q;
+#ifdef DEBUG_RX
+ BNA_TRACE_DEBUG(bnad, unmap_q->consumer_index,
+ ("%s RxQ %u(%u) consumer index %u\n",
+ bnad->netdev->name, rxqinfo->rxq_id,
+ cmpl->rxq_id, unmap_q->consumer_index));
+#endif
+ skb = unmap_q->unmap_array[unmap_q->consumer_index].skb;
+ BNA_ASSERT(skb);
+ prefetch(skb->data - NET_IP_ALIGN);
+ unmap_q->unmap_array[unmap_q->consumer_index].skb = NULL;
+ pci_unmap_single(bnad->pcidev,
+ pci_unmap_addr(&unmap_q->
+ unmap_array[unmap_q->
+ consumer_index],
+ dma_addr),
+ rxqinfo->rxq_config.buffer_size,
+ PCI_DMA_FROMDEVICE);
+ BNA_QE_INDX_ADD(unmap_q->consumer_index, 1, unmap_q->q_depth);
+#ifdef DEBUG_RX
+ BNA_TRACE_DEBUG(bnad, unmap_q->consumer_index,
+ ("%s RxQ %u consumer index updated to %u\n",
+ bnad->netdev->name, rxqinfo->rxq_id,
+ unmap_q->consumer_index));
+#endif
+ /* XXX May be bad for performance. */
+#ifdef CATAPULT_BRINGUP
+ BNA_Q_CI_ADD(&rxqinfo->rxq, 1);
+#endif
+ wis++;
+ if (likely(--wi_range)) {
+ next_cmpl = cmpl + 1;
+ } else {
+ BNA_Q_PI_ADD(&cqinfo->cq, wis);
+ wis = 0;
+ next_cmpl = bna_cq_pg_prod_ptr(&cqinfo->cq, &wi_range);
+ BNA_ASSERT(wi_range
+ && wi_range <= cqinfo->cq.q.q_depth);
+ }
+ prefetch(next_cmpl);
+
+ flags = ntohl(cmpl->flags);
+ if (unlikely
+ (flags &
+ (BNA_CQ_EF_MAC_ERROR | BNA_CQ_EF_FCS_ERROR |
+ BNA_CQ_EF_TOO_LONG))) {
+ dev_kfree_skb_any(skb);
+ rxqinfo->rx_packets_with_error++;
+#ifdef DEBUG_RX
+ BNA_TRACE_DEBUG(bnad, bnad->bna_id, ("Rx Error Pkts "
+ " %llu on %s\n",
+ rxqinfo->
+ rx_packets_with_error,
+ bnad->netdev->
+ name));
+#endif
+ goto next;
+ }
+
+ skb_put(skb, ntohs(cmpl->length));
+ if (likely(bnad->rx_csum &&
+ (((flags & BNA_CQ_EF_IPV4) &&
+ (flags & BNA_CQ_EF_L3_CKSUM_OK)) ||
+ (flags & BNA_CQ_EF_IPV6)) &&
+ (flags & (BNA_CQ_EF_TCP | BNA_CQ_EF_UDP)) &&
+ (flags & BNA_CQ_EF_L4_CKSUM_OK)))
+ skb->ip_summed = CHECKSUM_UNNECESSARY;
+ else
+ skb->ip_summed = CHECKSUM_NONE;
+
+ rxqinfo->rx_packets++;
+ rxqinfo->rx_bytes += skb->len;
+ skb->protocol = eth_type_trans(skb, bnad->netdev);
+#ifdef DEBUG_RX
+ {
+ int cpu = smp_processor_id();
+ if (cpu < BNAD_MAX_RXQSETS_USED) {
+ rxqinfo->rx_packets_cpu[cpu]++;
+ rxqinfo->rx_bytes_cpu[cpu] += skb->len;
+ }
+ }
+#endif
+
+#ifdef BNAD_DIAG_LOOPBACK
+ if (!test_bit(BNAD_DIAG_LB_MODE, &bnad->state)) {
+#endif
+#if defined(__VMKERNEL_MODULE__) && defined(__VMKNETDDI_QUEUEOPS__)
+ vmknetddi_queueops_set_skb_queueid(skb,
+ VMKNETDDI_QUEUEOPS_MK_RX_QUEUEID
+ (cqinfo->cq_id));
+#endif
+
+ if (bnad->vlangrp && (flags & BNA_CQ_EF_VLAN)
+ && bnad_vlan_strip) {
+ BNA_ASSERT(cmpl->vlan_tag);
+#ifdef BNAD_LRO
+ if (skb->ip_summed == CHECKSUM_UNNECESSARY
+#ifdef NETIF_F_LRO
+ && (bnad->netdev->features & NETIF_F_LRO)
+#endif
+ ) {
+ lro_vlan_hwaccel_receive_skb(&cqinfo->
+ lro, skb,
+ bnad->
+ vlangrp,
+ ntohs
+ (cmpl->
+ vlan_tag),
+ cmpl);
+ } else {
+#ifdef BNAD_NAPI
+ vlan_hwaccel_receive_skb(skb,
+ bnad->vlangrp,
+ ntohs(cmpl->
+ vlan_tag));
+#else
+ if (vlan_hwaccel_rx(skb, bnad->vlangrp,
+ ntohs(cmpl->
+ vlan_tag)) ==
+ NET_RX_DROP)
+ bnad->stats.netif_rx_dropped++;
+#endif
+ }
+
+#else /* !BNAD_LRO */
+
+#ifdef BNAD_NAPI
+ vlan_hwaccel_receive_skb(skb, bnad->vlangrp,
+ ntohs(cmpl->vlan_tag));
+#else
+ if (vlan_hwaccel_rx(skb, bnad->vlangrp,
+ ntohs(cmpl->vlan_tag)) ==
+ NET_RX_DROP)
+ bnad->stats.netif_rx_dropped++;
+#endif
+
+#endif /* !BNAD_LRO */
+
+ } else {
+
+#ifdef BNAD_LRO
+ if (skb->ip_summed == CHECKSUM_UNNECESSARY
+#ifdef NETIF_F_LRO
+ && (bnad->netdev->features & NETIF_F_LRO)
+#endif
+ ) {
+ lro_receive_skb(&cqinfo->lro, skb,
+ cmpl);
+ } else {
+#ifdef BNAD_NAPI
+ netif_receive_skb(skb);
+#else
+ if (netif_rx(skb) == NET_RX_DROP)
+ bnad->stats.netif_rx_dropped++;
+#endif
+ }
+
+#else /* BNAD_LRO */
+
+#ifdef BNAD_NAPI
+ netif_receive_skb(skb);
+#else
+ if (netif_rx(skb) == NET_RX_DROP)
+ bnad->stats.netif_rx_dropped++;
+#endif
+
+#endif /* !BNAD_LRO */
+
+ }
+
+#ifdef BNAD_DIAG_LOOPBACK
+ } else {
+ BNA_TRACE_DEBUG(bnad, bnad->bna_id, ("Rx %u Loopback "
+ "packets on %s budget %d\n",
+ packets,
+ bnad->netdev->name,
+ budget));
+ }
+#endif
+ bnad->netdev->last_rx = jiffies;
+ next:
+ cmpl->valid = 0;
+ cmpl = next_cmpl;
+ }
+
+#ifdef BNAD_LRO
+ lro_flush_all(&cqinfo->lro);
+#endif
+
+ BNA_Q_PI_ADD(&cqinfo->cq, wis);
+
+ if (likely(rxqinfo)) {
+ bna_ib_ack(bnad->priv, &cqinfo->ib, packets);
+#ifdef DEBUG_RX
+ BNA_TRACE_DEBUG(bnad, packets, ("%s ack CQ %u IB %u packets\n",
+ bnad->netdev->name,
+ cqinfo->cq_id, packets));
+#endif
+ /* Check the current queue first. */
+ bnad_refill_rxq(rxqinfo);
+
+ /* XXX counters per queue for refill? */
+ if (likely(bnad_small_large_rxbufs)) {
+ /* There are 2 RxQs - small and large buffer queues */
+ unsigned int rxq_id = (rxqinfo->rxq_id ^ 1);
+ bnad_refill_rxq(&bnad->rxq_table[rxq_id]);
+ }
+ } else {
+ bna_ib_ack(bnad->priv, &cqinfo->ib, 0);
+ }
+
+ return packets;
+}
+#else
+static void
+bnad_rx(struct bnad *bnad, struct bnad_cq_info *cqinfo)
+{
+ struct bna_cq_entry *cmpl, *next_cmpl;
+ unsigned int wi_range, wis = 0, cmpls, packets = 0;
+ struct bnad_rxq_info *rxqinfo = NULL;
+ struct bnad_unmap_q *unmap_q;
+ struct sk_buff *skb;
+ u32 flags;
+#ifdef BNA_DYN_INTR_MOD
+ struct bna_pkt_rate *pkt_rt = &cqinfo->pkt_rate;
+#endif
+
+ prefetch(bnad);
+ prefetch(bnad->netdev);
+ cmpl = bna_cq_pg_prod_ptr(&cqinfo->cq, &wi_range);
+ BNA_ASSERT(wi_range && wi_range <= cqinfo->cq.q.q_depth);
+ prefetch(cmpl);
+ cmpls = BNAD_Q_INDEX_CHANGE(cqinfo->cq.q.producer_index,
+ (u16) (*cqinfo->hw_producer_index),
+ cqinfo->cq.q.q_depth);
+ BNA_ASSERT(cmpls);
+#ifdef DEBUG_RX
+ BNA_TRACE_DEBUG(bnad, bnad->bna_id, ("%s ", bnad->netdev->name));
+ BNA_TRACE_DEBUG(bnad, cqinfo->cq_id, ("CQ %u ", cqinfo->cq_id));
+ BNA_TRACE_DEBUG(bnad, cqinfo->cq.q.producer_index,
+ ("sw producer %u ", cqinfo->cq.q.producer_index));
+ BNA_TRACE_DEBUG(bnad, *cqinfo->hw_producer_index,
+ ("hw producer %u ", *cqinfo->hw_producer_index));
+ BNA_TRACE_DEBUG(bnad, cmpls, ("got %u Rx completions\n", cmpls));
+#endif
+ while (cmpls--) {
+ BNA_ASSERT(cmpl->valid);
+#ifdef DEBUG_RX
+ BNA_LOG_DEBUG(("flags 0x%x vlan %u len %u rss %u valid 0x%x, "
+ "rxq %u\n", ntohl(cmpl->flags),
+ ntohs(cmpl->vlan_tag), ntohs(cmpl->length),
+ ntohl(cmpl->rss_hash), cmpl->valid,
+ cmpl->rxq_id));
+#endif
+ packets++;
+#ifdef BNA_DYN_INTR_MOD
+ BNA_UPDATE_PKT_CNT(pkt_rt, ntohs(cmpl->length));
+#endif
+ rxqinfo = &bnad->rxq_table[cmpl->rxq_id];
+ unmap_q = &rxqinfo->skb_unmap_q;
+#ifdef DEBUG_RX
+ BNA_TRACE_DEBUG(bnad, unmap_q->consumer_index,
+ ("%s RxQ %u(%u) consumer index %u\n",
+ bnad->netdev->name, rxqinfo->rxq_id,
+ cmpl->rxq_id, unmap_q->consumer_index));
+#endif
+ skb = unmap_q->unmap_array[unmap_q->consumer_index].skb;
+ BNA_ASSERT(skb);
+ prefetch(skb->data - NET_IP_ALIGN);
+ unmap_q->unmap_array[unmap_q->consumer_index].skb = NULL;
+ pci_unmap_single(bnad->pcidev,
+ pci_unmap_addr(&unmap_q->
+ unmap_array[unmap_q->
+ consumer_index],
+ dma_addr),
+ rxqinfo->rxq_config.buffer_size,
+ PCI_DMA_FROMDEVICE);
+ BNA_QE_INDX_ADD(unmap_q->consumer_index, 1, unmap_q->q_depth);
+#ifdef DEBUG_RX
+ BNA_TRACE_DEBUG(bnad, unmap_q->consumer_index,
+ ("%s RxQ %u consumer index updated to %u\n",
+ bnad->netdev->name, rxqinfo->rxq_id,
+ unmap_q->consumer_index));
+#endif
+ /* XXX May be bad for performance. */
+#ifdef CATAPULT_BRINGUP
+ BNA_Q_CI_ADD(&rxqinfo->rxq, 1);
+#endif
+ wis++;
+ if (likely(--wi_range)) {
+ next_cmpl = cmpl + 1;
+ } else {
+ BNA_Q_PI_ADD(&cqinfo->cq, wis);
+ wis = 0;
+ next_cmpl = bna_cq_pg_prod_ptr(&cqinfo->cq, &wi_range);
+ BNA_ASSERT(wi_range
+ && wi_range <= cqinfo->cq.q.q_depth);
+ }
+ prefetch(next_cmpl);
+
+ flags = ntohl(cmpl->flags);
+ if (unlikely
+ (flags &
+ (BNA_CQ_EF_MAC_ERROR | BNA_CQ_EF_FCS_ERROR |
+ BNA_CQ_EF_TOO_LONG))) {
+ dev_kfree_skb_irq(skb);
+ rxqinfo->rx_packets_with_error++;
+#ifdef DEBUG_RX
+ BNA_TRACE_DEBUG(bnad, bnad->bna_id, ("Rx Error Pkts "
+ " %llu on %s\n",
+ rxqinfo->
+ rx_packets_with_error,
+ bnad->netdev->
+ name));
+#endif
+ goto next;
+ }
+
+ skb_put(skb, ntohs(cmpl->length));
+ if (likely(bnad->rx_csum &&
+ (((flags & BNA_CQ_EF_IPV4) &&
+ (flags & BNA_CQ_EF_L3_CKSUM_OK)) ||
+ (flags & BNA_CQ_EF_IPV6)) &&
+ (flags & (BNA_CQ_EF_TCP | BNA_CQ_EF_UDP)) &&
+ (flags & BNA_CQ_EF_L4_CKSUM_OK)))
+ skb->ip_summed = CHECKSUM_UNNECESSARY;
+ else
+ skb->ip_summed = CHECKSUM_NONE;
+
+ rxqinfo->rx_packets++;
+ rxqinfo->rx_bytes += skb->len;
+
+ skb->protocol = eth_type_trans(skb, bnad->netdev);
+
+#ifdef DEBUG_RX
+ {
+ int cpu = smp_processor_id();
+ if (cpu < BNAD_MAX_RXQSETS_USED) {
+ rxqinfo->rx_packets_cpu[cpu]++;
+ rxqinfo->rx_bytes_cpu[cpu] += skb->len;
+ }
+ }
+#endif
+
+#ifdef BNAD_DIAG_LOOPBACK
+ if (!test_bit(BNAD_DIAG_LB_MODE, &bnad->state)) {
+#endif
+#if defined(__VMKERNEL_MODULE__) && defined(__VMKNETDDI_QUEUEOPS__)
+ vmknetddi_queueops_set_skb_queueid(skb,
+ VMKNETDDI_QUEUEOPS_MK_RX_QUEUEID
+ (cqinfo->cq_id));
+#endif
+ if (bnad->vlangrp && (flags & BNA_CQ_EF_VLAN)
+ && bnad_vlan_strip) {
+ BNA_ASSERT(cmpl->vlan_tag);
+#ifdef BNAD_LRO
+ if (skb->ip_summed == CHECKSUM_UNNECESSARY
+#ifdef NETIF_F_LRO
+ && (bnad->netdev->features & NETIF_F_LRO)
+#endif
+ ) {
+ lro_vlan_hwaccel_receive_skb(&cqinfo->
+ lro, skb,
+ bnad->
+ vlangrp,
+ ntohs
+ (cmpl->
+ vlan_tag),
+ cmpl);
+ } else {
+ if (vlan_hwaccel_rx(skb, bnad->vlangrp,
+ ntohs(cmpl->
+ vlan_tag)) ==
+ NET_RX_DROP)
+ bnad->stats.netif_rx_dropped++;
+ }
+#else
+ if (vlan_hwaccel_rx(skb, bnad->vlangrp,
+ ntohs(cmpl->vlan_tag)) ==
+ NET_RX_DROP)
+ bnad->stats.netif_rx_dropped++;
+#endif
+ } else {
+#ifdef BNAD_LRO
+ if (skb->ip_summed == CHECKSUM_UNNECESSARY
+#ifdef NETIF_F_LRO
+ && (bnad->netdev->features & NETIF_F_LRO)
+#endif
+ ) {
+ lro_receive_skb(&cqinfo->lro, skb,
+ cmpl);
+ } else {
+ if (netif_rx(skb) == NET_RX_DROP)
+ bnad->stats.netif_rx_dropped++;
+ }
+#else
+ if (netif_rx(skb) == NET_RX_DROP)
+ bnad->stats.netif_rx_dropped++;
+#endif
+ }
+
+#ifdef BNAD_DIAG_LOOPBACK
+ } else {
+ BNA_TRACE_DEBUG(bnad, bnad->bna_id, ("Rx %u Loopback "
+ "packets on %s cmpls %d\n",
+ packets,
+ bnad->netdev->name,
+ cmpls));
+ }
+#endif
+ bnad->netdev->last_rx = jiffies;
+
+next:
+ cmpl->valid = 0;
+ cmpl = next_cmpl;
+ }
+
+#ifdef BNAD_LRO
+ lro_flush_all(&cqinfo->lro);
+#endif
+
+ BNA_Q_PI_ADD(&cqinfo->cq, wis);
+
+ if (likely(rxqinfo != NULL)) {
+ bna_ib_ack(bnad->priv, &cqinfo->ib, packets);
+#ifdef DEBUG_RX
+ BNA_TRACE_DEBUG(bnad, packets, ("%s ack CQ %u IB %u packets\n",
+ bnad->netdev->name,
+ cqinfo->cq_id, packets));
+#endif
+ /* Check the current queue first. */
+ bnad_refill_rxq(rxqinfo);
+
+ /* XXX counters per queue for refill? */
+ if (likely(bnad_small_large_rxbufs)) {
+ /* There are 2 RxQs - small and large buffer queues */
+ unsigned int rxq_id = (rxqinfo->rxq_id ^ 1);
+ bnad_refill_rxq(&bnad->rxq_table[rxq_id]);
+ }
+ } else {
+ bna_ib_ack(bnad->priv, &cqinfo->ib, 0);
+ }
+}
+#endif
+
+static irqreturn_t
+bnad_msix_rx(int irq, void *data)
+{
+ struct bnad_cq_info *cqinfo = (struct bnad_cq_info *) data;
+ struct bnad *bnad = cqinfo->bnad;
+
+#if defined(__VMKERNEL_MODULE__) && defined(__VMKNETDDI_QUEUEOPS__)
+ atomic_inc(&cqinfo->counter);
+#endif
+
+#ifdef BNAD_NAPI
+
+#if 0
+ if (BNAD_Q_INDEX_CHANGE(cqinfo->cq.q.producer_index,
+ (u16) (*cqinfo->hw_producer_index),
+ cqinfo->cq.q.q_depth) >=
+ (bnad->netdev->weight >> 1)) {
+#endif
+
+#ifdef BNAD_DIAG_LOOPBACK
+ if (!test_bit(BNAD_DIAG_LB_MODE, &bnad->state)) {
+#endif
+#ifdef BNAD_NEW_NAPI
+ if (likely
+ (netif_rx_schedule_prep
+ (bnad->netdev, &cqinfo->napi))) {
+ bnad_disable_rx_irq(bnad, cqinfo);
+ __netif_rx_schedule(bnad->netdev,
+ &cqinfo->napi);
+ }
+#else
+ if (likely(netif_rx_schedule_prep(bnad->netdev))) {
+ bnad_disable_txrx_irqs(bnad);
+ __netif_rx_schedule(bnad->netdev);
+ bnad->stats.netif_rx_schedule++;
+ }
+#endif
+#ifdef BNAD_DIAG_LOOPBACK
+ } else {
+ bnad_poll_cq(bnad, cqinfo, BNAD_MAX_Q_DEPTH);
+ }
+#endif
+#if 0
+ } else {
+ bnad_rx(bnad, cqinfo);
+ }
+#endif
+
+#else /* !BNAD_NAPI */
+
+#ifndef BNAD_POLL_CQ
+ bnad_rx(bnad, cqinfo);
+#else
+ bnad_poll_cq(bnad, cqinfo, BNAD_MAX_Q_DEPTH);
+#endif
+
+#endif /* !BNAD_NAPI */
+
+#ifdef __VMKERNEL_MODULE__
+ vmk_net_inc_dev_intrcount(bnad->netdev);
+#endif
+#if defined(__VMKERNEL_MODULE__) && defined(__VMKNETDDI_QUEUEOPS__)
+ atomic_dec(&cqinfo->counter);
+ atomic_set(&cqinfo->completions_flag, 0);
+#endif
+ return IRQ_HANDLED;
+}
+
+static irqreturn_t
+bnad_msix_err_mbox(int irq, void *data)
+{
+ struct net_device *netdev = data;
+ struct bnad *bnad = netdev_priv(netdev);
+ u32 intr_status;
+
+#if defined(__VMKERNEL_MODULE__) && defined(__VMKNETDDI_QUEUEOPS__)
+ atomic_inc(&bnad->counter);
+#endif
+ spin_lock(&bnad->priv_lock);
+ bna_intr_status_get(bnad->priv, &intr_status);
+ if (BNA_IS_MBOX_ERR_INTR(intr_status)) {
+ BNA_TRACE_DEBUG(bnad, intr_status,
+ ("port %d msix err/mbox irq status 0x%x\n",
+ bnad->bna_id, intr_status));
+ bna_mbox_err_handler(bnad->priv, intr_status);
+ } else {
+ BNA_TRACE_WARN(bnad, intr_status,
+ ("port %d msix err/mbox irq status 0x%x\n",
+ bnad->bna_id, intr_status));
+ }
+ spin_unlock(&bnad->priv_lock);
+
+#ifdef __VMKERNEL_MODULE__
+ vmk_net_inc_dev_intrcount(bnad->netdev);
+#endif
+#if defined(__VMKERNEL_MODULE__) && defined(__VMKNETDDI_QUEUEOPS__)
+ atomic_dec(&bnad->counter);
+#endif
+ return IRQ_HANDLED;
+}
+
+static irqreturn_t
+bnad_isr(int irq, void *data)
+{
+ struct net_device *netdev = data;
+ struct bnad *bnad = netdev_priv(netdev);
+ u32 intr_status;
+ int i;
+
+ spin_lock(&bnad->priv_lock);
+ bna_intr_status_get(bnad->priv, &intr_status);
+ spin_unlock(&bnad->priv_lock);
+
+ if (!intr_status)
+ return IRQ_NONE;
+
+#ifdef CATAPULT_BRINGUP
+ BNA_TRACE_DEBUG(bnad, bnad->bna_id,
+ ("port %u bnad_isr: 0x%x\n", bnad->bna_id,
+ intr_status));
+#endif
+ if (BNA_IS_MBOX_ERR_INTR(intr_status)) {
+ spin_lock(&bnad->priv_lock);
+ bna_mbox_err_handler(bnad->priv, intr_status);
+ spin_unlock(&bnad->priv_lock);
+ if (BNA_IS_ERR_INTR(intr_status)
+ || !BNA_IS_INTX_DATA_INTR(intr_status))
+ goto exit_isr;
+ }
+#ifdef BNAD_NAPI
+
+#ifdef BNAD_DIAG_LOOPBACK
+ if (!test_bit(BNAD_DIAG_LB_MODE, &bnad->state)) {
+#endif
+
+#ifdef BNAD_NEW_NAPI
+ if (likely
+ (netif_rx_schedule_prep
+ (bnad->netdev, &bnad->cq_table[0].napi))) {
+ bnad_disable_txrx_irqs(bnad);
+ __netif_rx_schedule(bnad->netdev,
+ &bnad->cq_table[0].napi);
+ }
+#else
+ if (likely(netif_rx_schedule_prep(netdev))) {
+ bnad_disable_txrx_irqs(bnad);
+ __netif_rx_schedule(netdev);
+ bnad->stats.netif_rx_schedule++;
+ }
+#endif
+#ifdef BNAD_DIAG_LOOPBACK
+ } else {
+ for (i = 0; i < bnad->txq_num; i++) {
+ if (intr_status & (1 << i))
+ bnad_tx(bnad, &bnad->txq_table[i]);
+ }
+ for (i = 0; i < bnad->cq_num; i++) {
+ if (intr_status & (1 << (bnad->txq_num + i))) {
+ bnad_poll_cq(bnad, &bnad->cq_table[i],
+ BNAD_MAX_Q_DEPTH);
+ }
+ }
+ }
+#endif
+
+#else
+
+ for (i = 0; i < bnad->txq_num; i++) {
+ if (intr_status & (1 << i))
+ bnad_tx(bnad, &bnad->txq_table[i]);
+ }
+
+ for (i = 0; i < bnad->cq_num; i++) {
+ if (intr_status & (1 << (bnad->txq_num + i))) {
+#ifndef BNAD_POLL_CQ
+ bnad_rx(bnad, &bnad->cq_table[i]);
+#else
+ bnad_poll_cq(bnad, &bnad->cq_table[i],
+ BNAD_MAX_Q_DEPTH);
+#endif
+ }
+ }
+#endif /* !BNAD_NAPI */
+
+exit_isr:
+#ifdef __VMKERNEL_MODULE__
+ vmk_net_inc_dev_intrcount(netdev);
+#endif
+ return IRQ_HANDLED;
+}
+
+static int
+bnad_request_mbox_irq(struct bnad *bnad)
+{
+ int err;
+
+ if (bnad->flags & BNAD_F_MSIX) {
+ BNA_TRACE_DEBUG(bnad,
+ bnad->msix_table[bnad->msix_num - 1].vector,
+ ("port %u requests IRQ %u for mailbox in MSI-X mode\n",
+ bnad->bna_id,
+ bnad->msix_table[bnad->msix_num - 1].vector));
+ err = request_irq(bnad->msix_table[bnad->msix_num - 1].vector,
+ (bnad_isr_t) &bnad_msix_err_mbox, 0,
+ bnad->netdev->name, bnad->netdev);
+ } else {
+ BNA_TRACE_DEBUG(bnad, bnad->pcidev->irq,
+ ("port %u requests IRQ %u in INTx mode\n",
+ bnad->bna_id, bnad->pcidev->irq));
+ err = request_irq(bnad->pcidev->irq, (bnad_isr_t) &bnad_isr,
+ IRQF_SHARED, bnad->netdev->name,
+ bnad->netdev);
+ }
+
+ if (err) {
+ dev_err(&bnad->pcidev->dev,
+ "Request irq for mailbox failed: %d\n", err);
+ return err;
+ }
+
+ if (bnad->flags & BNAD_F_MSIX)
+ bna_mbox_msix_idx_set(bnad->priv, bnad->msix_num - 1);
+
+ bna_mbox_intr_enable(bnad->priv);
+ return 0;
+}
+
+#if defined(__VMKERNEL_MODULE__) && defined(__VMKNETDDI_QUEUEOPS__)
+static void
+bnad_synchronize_vector_counter(atomic_t *counter)
+{
+ while (atomic_read(counter))
+ msleep(1);
+}
+#endif
+
+static void
+bnad_sync_mbox_irq(struct bnad *bnad)
+{
+ uint irq;
+
+#if defined(__VMKERNEL_MODULE__) && defined(__VMKNETDDI_QUEUEOPS__)
+ bnad_synchronize_vector_counter(&bnad->counter);
+#else
+ if (bnad->flags & BNAD_F_MSIX)
+ irq = bnad->msix_table[bnad->msix_num - 1].vector;
+ else
+ irq = bnad->pcidev->irq;
+ synchronize_irq(irq);
+#endif
+}
+
+static void
+bnad_free_mbox_irq(struct bnad *bnad)
+{
+ uint irq;
+
+ if (bnad->flags & BNAD_F_MSIX)
+ irq = bnad->msix_table[bnad->msix_num - 1].vector;
+ else
+ irq = bnad->pcidev->irq;
+
+ spin_lock_irq(&bnad->priv_lock);
+ bna_mbox_intr_disable(bnad->priv);
+ spin_unlock_irq(&bnad->priv_lock);
+#if defined(__VMKERNEL_MODULE__) && defined(__VMKNETDDI_QUEUEOPS__)
+ if (bnad->flags & BNAD_F_MSIX) {
+ if (!test_and_set_bit(BNAD_MBOX_IRQ_DISABLED, &bnad->state)) {
+ irq = bnad->msix_table[bnad->msix_num - 1].vector;
+ BNA_TRACE_WARN(bnad, bnad->bna_id,
+ ("Disabling Mbox IRQ %d for port %d\n",
+ irq, bnad->bna_id));
+ disable_irq_nosync(irq);
+ }
+ }
+
+ bnad_synchronize_vector_counter(&bnad->counter);
+#endif
+ free_irq(irq, bnad->netdev);
+}
+
+static int
+bnad_request_txq_irq(struct bnad *bnad, uint txq_id)
+{
+ BNA_ASSERT(txq_id < bnad->txq_num);
+ if (!(bnad->flags & BNAD_F_MSIX))
+ return 0;
+ BNA_TRACE_DEBUG(bnad, bnad->bna_id,
+ ("port %u requests irq %u for TxQ %u in MSIX mode\n",
+ bnad->bna_id, bnad->msix_table[txq_id].vector,
+ txq_id));
+ return request_irq(bnad->msix_table[txq_id].vector,
+ (bnad_isr_t) & bnad_msix_tx, 0,
+ bnad->txq_table[txq_id].name,
+ &bnad->txq_table[txq_id]);
+}
+
+int
+bnad_request_cq_irq(struct bnad *bnad, uint cq_id)
+{
+ BNA_ASSERT(cq_id < bnad->cq_num);
+ if (!(bnad->flags & BNAD_F_MSIX))
+ return 0;
+ BNA_TRACE_DEBUG(bnad, bnad->bna_id,
+ ("port %u requests irq %u for CQ %u in MSIX mode\n",
+ bnad->bna_id,
+ bnad->msix_table[bnad->txq_num + cq_id].vector,
+ cq_id));
+ return request_irq(bnad->msix_table[bnad->txq_num + cq_id].vector,
+ (bnad_isr_t) & bnad_msix_rx, 0,
+ bnad->cq_table[cq_id].name, &bnad->cq_table[cq_id]);
+}
+
+static void
+bnad_intx_enable_txrx(struct bnad *bnad)
+{
+ u32 mask;
+ int i;
+
+ spin_lock_irq(&bnad->priv_lock);
+ bna_intx_disable(bnad->priv, &mask);
+ mask &= ~0xffff;
+ bna_intx_enable(bnad->priv, mask);
+ for (i = 0; i < bnad->ib_num; i++)
+ bna_ib_ack(bnad->priv, bnad->ib_table[i].ib, 0);
+ spin_unlock_irq(&bnad->priv_lock);
+}
+
+static int
+bnad_request_txrx_irqs(struct bnad *bnad)
+{
+ struct msix_entry *entries;
+ int i;
+ int err;
+
+ if (!(bnad->flags & BNAD_F_MSIX)) {
+ bnad_intx_enable_txrx(bnad);
+ return 0;
+ }
+
+ entries = bnad->msix_table;
+ for (i = 0; i < bnad->txq_num; i++) {
+ err = bnad_request_txq_irq(bnad, i);
+ if (err) {
+ printk(KERN_ERR "%s request irq for TxQ %d failed %d\n",
+ bnad->netdev->name, i, err);
+ while (--i >= 0) {
+#if defined(__VMKERNEL_MODULE__) && defined(__VMKNETDDI_QUEUEOPS__)
+ disable_irq_nosync(entries[i].vector);
+ bnad_synchronize_vector_counter(&bnad->
+ txq_table[i].
+ counter);
+#endif
+ free_irq(entries[i].vector,
+ &bnad->txq_table[i]);
+ }
+ return err;
+ }
+ }
+
+ for (i = 0; i < bnad->cq_num; i++) {
+#if defined(__VMKERNEL_MODULE__) && defined(__VMKNETDDI_QUEUEOPS__)
+ if (!test_bit(i, &bnad->cq_active))
+ continue;
+#endif
+ err = bnad_request_cq_irq(bnad, i);
+ if (err) {
+ printk(KERN_ERR "%s request irq for CQ %u failed %d\n",
+ bnad->netdev->name, i, err);
+ while (--i >= 0) {
+#if defined(__VMKERNEL_MODULE__) && defined(__VMKNETDDI_QUEUEOPS__)
+ if (!test_bit(i, &bnad->cq_active))
+ continue;
+ disable_irq_nosync(entries[bnad->txq_num + i].
+ vector);
+ bnad_synchronize_vector_counter(&bnad->
+ cq_table[i].
+ counter);
+#endif
+ free_irq(entries[bnad->txq_num + i].vector,
+ &bnad->cq_table[i]);
+ }
+ goto free_txq_irqs;
+ }
+ }
+
+ return 0;
+
+ free_txq_irqs:
+ for (i = 0; i < bnad->txq_num; i++) {
+#if defined(__VMKERNEL_MODULE__) && defined(__VMKNETDDI_QUEUEOPS__)
+ disable_irq_nosync(entries[i].vector);
+ bnad_synchronize_vector_counter(&bnad->txq_table[i].counter);
+#endif
+ free_irq(entries[i].vector, &bnad->txq_table[i]);
+ }
+
+ bnad_disable_msix(bnad);
+
+ return err;
+}
+
+static void
+bnad_free_txrx_irqs(struct bnad *bnad)
+{
+ struct msix_entry *entries;
+ uint i;
+
+ if (bnad->flags & BNAD_F_MSIX) {
+ entries = bnad->msix_table;
+ for (i = 0; i < bnad->txq_num; i++) {
+#if defined(__VMKERNEL_MODULE__) && defined(__VMKNETDDI_QUEUEOPS__)
+ disable_irq_nosync(entries[i].vector);
+ bnad_synchronize_vector_counter(&bnad->txq_table[i].
+ counter);
+#endif
+ free_irq(entries[i].vector, &bnad->txq_table[i]);
+ }
+
+ for (i = 0; i < bnad->cq_num; i++) {
+#if defined(__VMKERNEL_MODULE__) && defined(__VMKNETDDI_QUEUEOPS__)
+ if (!test_bit(i, &bnad->cq_active))
+ continue;
+ disable_irq_nosync(entries[bnad->txq_num + i].vector);
+ bnad_synchronize_vector_counter(&bnad->cq_table[i].
+ counter);
+#endif
+
+ free_irq(entries[bnad->txq_num + i].vector,
+ &bnad->cq_table[i]);
+ }
+ } else {
+ synchronize_irq(bnad->pcidev->irq);
+ }
+}
+
+void
+bnad_setup_ib(struct bnad *bnad, uint ib_id)
+{
+ struct bnad_ib_entry *ib_entry;
+
+ BNA_ASSERT(ib_id < bnad->ib_num);
+ ib_entry = &bnad->ib_table[ib_id];
+ spin_lock_irq(&bnad->priv_lock);
+ bna_ib_config_set(bnad->priv, ib_entry->ib, ib_id,
+ &ib_entry->ib_config);
+ /* Start the IB */
+ bna_ib_ack(bnad->priv, ib_entry->ib, 0);
+ spin_unlock_irq(&bnad->priv_lock);
+}
+
+static void
+bnad_setup_ibs(struct bnad *bnad)
+{
+ int i;
+
+ for (i = 0; i < bnad->txq_num; i++)
+ bnad_setup_ib(bnad, bnad->txq_table[i].txq_config.ib_id);
+
+ for (i = 0; i < bnad->cq_num; i++) {
+#if defined(__VMKERNEL_MODULE__) && defined(__VMKNETDDI_QUEUEOPS__)
+ if (!test_bit(i, &bnad->cq_active))
+ continue;
+#endif
+ bnad_setup_ib(bnad, bnad->cq_table[i].cq_config.ib_id);
+ }
+}
+
+/* These functions are called back with priv_lock held. */
+
+static void
+bnad_lldp_get_cfg_cb(void *arg, u8 status)
+{
+ struct bnad *bnad = arg;
+ bnad->lldp_comp_status = status;
+ complete(&bnad->lldp_comp);
+}
+
+static void
+bnad_cee_get_attr_cb(void *arg, bfa_status_t status)
+{
+ struct bnad *bnad = arg;
+ bnad->lldp_comp_status = status;
+ complete(&bnad->lldp_comp);
+}
+
+static void
+bnad_cee_get_stats_cb(void *arg, bfa_status_t status)
+{
+ struct bnad *bnad = arg;
+ bnad->cee_stats_comp_status = status;
+ complete(&bnad->cee_stats_comp);
+}
+
+static void
+bnad_cee_reset_stats_cb(void *arg, bfa_status_t status)
+{
+ struct bnad *bnad = arg;
+ bnad->cee_reset_stats_status = status;
+ complete(&bnad->cee_reset_stats_comp);
+}
+
+static void
+bnad_ucast_set_cb(void *arg, u8 status)
+{
+ struct bnad *bnad = (struct bnad *) arg;
+
+ bnad->ucast_comp_status = status;
+ complete(&bnad->ucast_comp);
+}
+
+static void
+bnad_q_stop_cb(void *arg, u8 status)
+{
+ struct bnad *bnad = arg;
+
+ bnad->qstop_comp_status = status;
+ complete(&bnad->qstop_comp);
+}
+
+static void
+bnad_link_up_cb(void *arg, u8 status)
+{
+ struct bnad *bnad = (struct bnad *) arg;
+ struct net_device *netdev = bnad->netdev;
+
+ if (likely(!test_bit(BNAD_DIAG_LB_MODE, &bnad->state))) {
+ BNA_TRACE_INFO(bnad, bnad->bna_id,
+ ("%s bnad_link_up_cb\n", netdev->name));
+ } else {
+ BNA_TRACE_INFO(bnad, bnad->bna_id,
+ ("%s bnad_link_up_cb in DIAG mode\n",
+ netdev->name));
+ bnad->dlbp->diag_lb_comp_status = status;
+ bnad->dlbp->diag_lb_link_state = BNAD_DIAG_LB_LS_UP;
+ complete(&bnad->dlbp->diag_lb_comp);
+ return;
+ }
+ if (netif_running(netdev)) {
+ if (!netif_carrier_ok(netdev)
+ && !test_bit(BNAD_DISABLED, &bnad->state)) {
+ BNA_TRACE(bnad, bnad->state);
+ printk(KERN_INFO "%s link up\n", netdev->name);
+ netif_carrier_on(netdev);
+ netif_wake_queue(netdev);
+ bnad->stats.netif_queue_wakeup++;
+ }
+ }
+}
+
+static void
+bnad_link_down_cb(void *arg, u8 status)
+{
+ struct bnad *bnad = (struct bnad *) arg;
+ struct net_device *netdev = bnad->netdev;
+
+ if (likely(!test_bit(BNAD_DIAG_LB_MODE, &bnad->state))) {
+ BNA_TRACE_INFO(bnad, bnad->bna_id,
+ ("%s bnad_link_down_cb\n", netdev->name));
+ } else {
+ BNA_TRACE_INFO(bnad, bnad->bna_id,
+ ("%s bnad_link_down_cb in DIAG mode\n",
+ netdev->name));
+ bnad->dlbp->diag_lb_comp_status = status;
+ bnad->dlbp->diag_lb_link_state = BNAD_DIAG_LB_LS_DOWN;
+ complete(&bnad->dlbp->diag_lb_comp);
+ return;
+ }
+ if (netif_running(netdev)) {
+ if (netif_carrier_ok(netdev)) {
+ BNA_TRACE(bnad, bnad->state);
+ printk(KERN_INFO "%s link down\n", netdev->name);
+ netif_carrier_off(netdev);
+ netif_stop_queue(netdev);
+ bnad->stats.netif_queue_stop++;
+ }
+ }
+}
+
+static void
+bnad_stats_get_cb(void *arg, u8 status)
+{
+ struct bnad *bnad = (struct bnad *) arg;
+
+ bnad->stats.hw_stats_updates++;
+ if (!test_bit(BNAD_DISABLED, &bnad->state))
+ mod_timer(&bnad->stats_timer, jiffies + HZ);
+}
+
+/* Diagnostics */
+static void
+bnad_set_diag_lb_cb(void *arg, u8 status)
+{
+ struct bnad_diag_lb_params *dlbp = (struct bnad_diag_lb_params *) arg;
+
+ dlbp->diag_lb_comp_status = status;
+ BNA_TRACE_INFO(dlbp->bnad, status, ("bnad_set_diag_lb_cb() for %s %d\n",
+ dlbp->bnad->netdev->name, status));
+ complete(&dlbp->diag_lb_comp);
+}
+
+/* Called with bnad priv_lock held. */
+static void
+bnad_hw_error(struct bnad *bnad, u8 status)
+{
+ unsigned int irq;
+
+ bna_mbox_intr_disable(bnad->priv);
+ if (bnad->flags & BNAD_F_MSIX) {
+ if (!test_and_set_bit(BNAD_MBOX_IRQ_DISABLED, &bnad->state)) {
+ irq = bnad->msix_table[bnad->txq_num +
+ bnad->cq_num].vector;
+ BNA_TRACE_WARN(bnad, bnad->bna_id,
+ ("Disabling Mbox IRQ %d for port %d\n",
+ irq, bnad->bna_id));
+ disable_irq_nosync(irq);
+ }
+ }
+
+ bna_cleanup(bnad->priv);
+ bnad->work_flags = BNAD_WF_ERROR;
+ if (!test_bit(BNAD_REMOVED, &bnad->state))
+ schedule_work(&bnad->work);
+}
+
+static void
+bnad_hw_error_cb(void *arg, u8 status)
+{
+ struct bnad *bnad = (struct bnad *) arg;
+
+ BNA_TRACE_WARN(bnad, bnad->bna_id,
+ ("port %d HW error callback %u\n", bnad->bna_id,
+ status));
+
+ bnad_hw_error(bnad, status);
+}
+
+int
+bnad_alloc_unmap_q(struct bnad_unmap_q *unmap_q, u32 q_depth)
+{
+ /* Q_depth must be power of 2 for macros to work. */
+ BNA_ASSERT(BNA_POWER_OF_2(q_depth));
+ unmap_q->q_depth = q_depth;
+ unmap_q->unmap_array = vmalloc(q_depth * sizeof(struct bnad_skb_unmap));
+ if (!unmap_q->unmap_array)
+ return -ENOMEM;
+ memset(unmap_q->unmap_array, 0,
+ q_depth * sizeof(struct bnad_skb_unmap));
+ return 0;
+}
+
+static int
+bnad_alloc_unmap_queues(struct bnad *bnad)
+{
+ int i, err = 0;
+ struct bnad_txq_info *txqinfo;
+ struct bnad_rxq_info *rxqinfo;
+
+ for (i = 0; i < bnad->txq_num; i++) {
+ txqinfo = &bnad->txq_table[i];
+ err = bnad_alloc_unmap_q(&txqinfo->skb_unmap_q,
+ txqinfo->txq.q.q_depth * 4);
+ BNA_TRACE_DEBUG(bnad, i,
+ ("%s allocating Tx unmap Q %d depth %u\n",
+ bnad->netdev->name, i,
+ txqinfo->txq.q.q_depth * 4));
+ if (err) {
+ BNA_TRACE_ERROR(bnad, err,
+ ("%s allocating Tx unmap Q %d failed: %d\n",
+ bnad->netdev->name, i, err));
+ return err;
+ }
+ }
+ for (i = 0; i < bnad->rxq_num; i++) {
+#if defined(__VMKERNEL_MODULE__) && defined(__VMKNETDDI_QUEUEOPS__)
+ if (!test_bit(i, &bnad->rxq_active))
+ continue;
+#endif
+ rxqinfo = &bnad->rxq_table[i];
+ err = bnad_alloc_unmap_q(&rxqinfo->skb_unmap_q,
+ rxqinfo->rxq.q.q_depth);
+ BNA_TRACE_INFO(bnad, i,
+ ("%s allocating Rx unmap Q %d depth %u\n",
+ bnad->netdev->name, i, rxqinfo->rxq.q.q_depth));
+ if (err) {
+ BNA_TRACE_ERROR(bnad, err,
+ ("%s allocating Rx unmap Q %d failed: %d\n",
+ bnad->netdev->name, i, err));
+ return err;
+ }
+ }
+ return 0;
+}
+
+/* Called with priv_lock. */
+static void
+bnad_flush_rxbufs(struct bnad_rxq_info *rxqinfo)
+{
+ struct bnad *bnad = rxqinfo->bnad;
+ struct bnad_unmap_q *unmap_q;
+ struct sk_buff *skb;
+ u32 cq_id;
+
+ unmap_q = &rxqinfo->skb_unmap_q;
+ while (BNA_QE_IN_USE_CNT(unmap_q, unmap_q->q_depth)) {
+ skb = unmap_q->unmap_array[unmap_q->consumer_index].skb;
+ BNA_ASSERT(skb);
+ unmap_q->unmap_array[unmap_q->consumer_index].skb = NULL;
+ pci_unmap_single(bnad->pcidev,
+ pci_unmap_addr(&unmap_q->
+ unmap_array[unmap_q->
+ consumer_index],
+ dma_addr),
+ rxqinfo->rxq_config.buffer_size + NET_IP_ALIGN,
+ PCI_DMA_FROMDEVICE);
+ dev_kfree_skb(skb);
+ BNA_QE_INDX_ADD(unmap_q->consumer_index, 1, unmap_q->q_depth);
+ BNA_Q_CI_ADD(&rxqinfo->rxq, 1);
+ }
+
+ BNAD_RESET_Q(bnad, &rxqinfo->rxq.q, &rxqinfo->skb_unmap_q);
+ cq_id = rxqinfo->rxq_id / bnad_rxqs_per_cq;
+ *bnad->cq_table[cq_id].hw_producer_index = 0;
+}
+
+static int
+bnad_disable_txq(struct bnad *bnad, u32 txq_id)
+{
+ struct bnad_txq_info *txqinfo;
+ int err;
+
+ WARN_ON(in_interrupt());
+ BNA_TRACE(bnad, bnad->bna_id);
+
+#ifndef __VMKERNEL_MODULE__
+ init_completion(&bnad->qstop_comp);
+#endif
+ txqinfo = &bnad->txq_table[txq_id];
+ spin_lock_irq(&bnad->priv_lock);
+#ifdef __VMKERNEL_MODULE__
+ bnad->qstop_comp_status = BNAD_MBOX_WAITING;
+#endif
+ err = bna_txq_stop(bnad->priv, txq_id);
+ spin_unlock_irq(&bnad->priv_lock);
+ if (err)
+ goto txq_stop_exit;
+
+ BNA_TRACE_INFO(bnad, txq_id,
+ ("Waiting for %s TxQ %d stop reply\n",
+ bnad->netdev->name, txq_id));
+#ifndef __VMKERNEL_MODULE__
+ wait_for_completion(&bnad->qstop_comp);
+#else
+ BNAD_WAIT_FOR_COMPLETION(bnad->qstop_comp_status);
+#endif
+
+ err = bnad->qstop_comp_status;
+txq_stop_exit:
+ if (err) {
+ BNA_TRACE_ERROR(bnad, err, ("%s bna_txq_stop %d failed %d\n",
+ bnad->netdev->name, txq_id, err));
+ }
+ return err;
+}
+
+int
+bnad_disable_rxqs(struct bnad *bnad, u64 rxq_id_mask)
+{
+ int err;
+
+ struct timeval tv;
+
+ BNA_ASSERT(!in_interrupt());
+ BNA_TRACE(bnad, bnad->bna_id);
+
+#ifndef __VMKERNEL_MODULE__
+ init_completion(&bnad->qstop_comp);
+#endif
+
+ spin_lock_irq(&bnad->priv_lock);
+#ifdef __VMKERNEL_MODULE__
+ bnad->qstop_comp_status = BNAD_MBOX_WAITING;
+#endif
+ do_gettimeofday(&tv);
+ BNA_LOG_DEBUG(("Calling bna_multi_rxq_stop at %ld:%ld\n", tv.tv_sec,
+ tv.tv_usec));
+ err = bna_multi_rxq_stop(bnad->priv, rxq_id_mask);
+ spin_unlock_irq(&bnad->priv_lock);
+ if (err)
+ goto rxq_stop_exit;
+
+ BNA_TRACE_INFO(bnad, rxq_id_mask,
+ ("Waiting for %s RxQs(0x%x) stop reply\n",
+ bnad->netdev->name, rxq_id_mask));
+#ifndef __VMKERNEL_MODULE__
+ wait_for_completion(&bnad->qstop_comp);
+#else
+ BNAD_WAIT_FOR_COMPLETION(bnad->qstop_comp_status);
+#endif
+
+ do_gettimeofday(&tv);
+ BNA_LOG_DEBUG(("bna_multi_rxq_stop returned at %ld:%ld\n", tv.tv_sec,
+ tv.tv_usec));
+ err = bnad->qstop_comp_status;
+rxq_stop_exit:
+ if (err) {
+ BNA_TRACE_ERROR(bnad, err,
+ ("%s bna_multi_rxq_stop(0x%x) failed %d\n",
+ bnad->netdev->name, rxq_id_mask, err));
+ }
+ return err;
+
+}
+
+#ifdef BNAD_NAPI
+
+#ifdef BNAD_NEW_NAPI
+
+static int
+bnad_poll_rx(struct napi_struct *napi, int budget)
+{
+ struct bnad_cq_info *cqinfo =
+ container_of(napi, struct bnad_cq_info, napi);
+ struct bnad *bnad = cqinfo->bnad;
+ unsigned int rcvd;
+
+ rcvd = bnad_poll_cq(bnad, cqinfo, budget);
+ if (rcvd == budget)
+ return rcvd;
+ netif_rx_complete(bnad->netdev, napi);
+ bnad->stats.netif_rx_complete++;
+ bnad_enable_rx_irq(bnad, cqinfo);
+ return rcvd;
+}
+
+static int
+bnad_poll_txrx(struct napi_struct *napi, int budget)
+{
+ struct bnad_cq_info *cqinfo =
+ container_of(napi, struct bnad_cq_info, napi);
+ struct bnad *bnad = cqinfo->bnad;
+ unsigned int rcvd;
+
+ bnad_tx(bnad, &bnad->txq_table[0]);
+ rcvd = bnad_poll_cq(bnad, cqinfo, budget);
+ if (rcvd == budget)
+ return rcvd;
+ netif_rx_complete(bnad->netdev, napi);
+ bnad->stats.netif_rx_complete++;
+ bnad_enable_txrx_irqs(bnad);
+ return rcvd;
+}
+
+static void
+bnad_napi_init(struct bnad *bnad)
+{
+ int (*napi_poll) (struct napi_struct *, int);
+ int i;
+
+ if (bnad->flags & BNAD_F_MSIX)
+ napi_poll = bnad_poll_rx;
+ else
+ napi_poll = bnad_poll_txrx;
+
+ for (i = 0; i < bnad->cq_num; i++)
+ netif_napi_add(bnad->netdev, &bnad->cq_table[i].napi, napi_poll,
+ 64);
+}
+
+static void
+bnad_napi_enable(struct bnad *bnad)
+{
+ int i;
+
+ for (i = 0; i < bnad->cq_num; i++)
+ napi_enable(&bnad->cq_table[i].napi);
+}
+
+static void
+bnad_napi_disable(struct bnad *bnad)
+{
+ int i;
+
+ for (i = 0; i < bnad->cq_num; i++)
+ napi_disable(&bnad->cq_table[i].napi);
+}
+
+static void
+bnad_napi_uninit(struct bnad *bnad)
+{
+ int i;
+
+ for (i = 0; i < bnad->cq_num; i++)
+ netif_napi_del(&bnad->cq_table[i].napi);
+}
+
+#else /* !BNAD_NEW_NAPI */
+
+static int
+bnad_poll(struct net_device *netdev, int *budget)
+{
+ struct bnad *bnad = netdev_priv(netdev);
+ int quota = min(netdev->quota, *budget);
+ unsigned int sent, rcvd;
+
+#ifdef DEBUG
+ BNA_LOG_DEBUG(("%s: bnad_poll\n", netdev->name));
+#endif
+ if (!netif_carrier_ok(bnad->netdev))
+ goto poll_exit;
+
+ sent = bnad_tx(bnad, &bnad->txq_table[0]);
+ rcvd = bnad_poll_cq(bnad, &bnad->cq_table[0], quota);
+#ifdef DEBUG
+ BNA_LOG_DEBUG(("%s: bnad_poll sent %u, rcvd %u\n",
+ netdev->name, sent, rcvd));
+#endif
+ *budget -= rcvd;
+ netdev->quota -= rcvd;
+
+ if (rcvd == quota && netif_running(netdev))
+ return 1;
+
+poll_exit:
+ netif_rx_complete(netdev);
+ bnad->stats.netif_rx_complete++;
+
+ bnad_enable_txrx_irqs(bnad);
+ return 0;
+}
+
+#endif /* !BNAD_NEW_NAPI */
+
+#endif /* BNAD_NAPI */
+
+
+static void
+bnad_detach(struct bnad *bnad)
+{
+ int i;
+
+ ASSERT_RTNL();
+
+ spin_lock_irq(&bnad->priv_lock);
+ if (!test_bit(BNAD_RESETTING, &bnad->state)) {
+ /* Graceful detach */
+
+ bna_txf_disable(bnad->priv, BNAD_TX_FUNC_ID);
+ bna_multi_rxf_disable(bnad->priv, (1 << bnad->rxf_num) - 1);
+#if defined(__VMKERNEL_MODULE__) && defined(__VMKNETDDI_QUEUEOPS__)
+ spin_unlock_irq(&bnad->priv_lock);
+ bnad_netq_remove_filters(bnad);
+ spin_lock_irq(&bnad->priv_lock);
+#endif
+ for (i = 0; i < bnad->txq_num; i++)
+ bna_ib_disable(bnad->priv, &bnad->txq_table[i].ib);
+ for (i = 0; i < bnad->cq_num; i++) {
+#if defined(__VMKERNEL_MODULE__) && defined(__VMKNETDDI_QUEUEOPS__)
+ if (!test_bit(i, &bnad->cq_active))
+ continue;
+#endif
+ bna_ib_disable(bnad->priv, &bnad->cq_table[i].ib);
+ }
+ } else {
+ /* Error */
+ /* XXX Should not write to registers if RESETTING. */
+
+ bna_txf_disable(bnad->priv, BNAD_TX_FUNC_ID);
+ bna_rxf_disable_old(bnad->priv, BNAD_RX_FUNC_ID);
+#if defined(__VMKERNEL_MODULE__) && defined(__VMKNETDDI_QUEUEOPS__)
+ for (i = BNAD_FIRST_NETQ_RXF; i < bnad->rxf_num; i++)
+ bna_rxf_disable_old(bnad->priv, i);
+
+ /* XXX bnad_netq_remove_filters should not write to registers if RESETTING. */
+ spin_unlock_irq(&bnad->priv_lock);
+ bnad_netq_remove_filters(bnad);
+ spin_lock_irq(&bnad->priv_lock);
+#endif
+
+ for (i = 0; i < bnad->txq_num; i++)
+ bna_ib_disable(bnad->priv, &bnad->txq_table[i].ib);
+ for (i = 0; i < bnad->cq_num; i++) {
+#if defined(__VMKERNEL_MODULE__) && defined(__VMKNETDDI_QUEUEOPS__)
+ if (!test_bit(i, &bnad->cq_active))
+ continue;
+#endif
+ bna_ib_disable(bnad->priv, &bnad->cq_table[i].ib);
+ }
+ }
+ spin_unlock_irq(&bnad->priv_lock);
+
+ /* Wait to make sure Tx and Rx are stopped. */
+ msleep(1000);
+ bnad_free_txrx_irqs(bnad);
+ bnad_sync_mbox_irq(bnad);
+
+ if (!test_bit(BNAD_DIAG_LB_MODE, &bnad->state)) {
+#ifdef BNAD_NAPI
+#ifdef BNAD_NEW_NAPI
+ bnad_napi_disable(bnad);
+ bnad_napi_uninit(bnad);
+#else
+ netif_poll_disable(bnad->netdev);
+ netif_poll_enable(bnad->netdev);
+#endif
+#endif
+ }
+
+ /* Delete the stats timer after synchronize with mbox irq. */
+ del_timer_sync(&bnad->stats_timer);
+ if (!test_bit(BNAD_DIAG_LB_MODE, &bnad->state)) {
+ netif_tx_disable(bnad->netdev);
+ netif_carrier_off(bnad->netdev);
+ }
+}
+
+static int
+bnad_disable(struct bnad *bnad)
+{
+ int err, i;
+ u64 rxq_id_mask = 0;
+
+ ASSERT_RTNL();
+ if (!test_bit(BNAD_DIAG_LB_MODE, &bnad->state)) {
+ BNA_TRACE_INFO(bnad, bnad->bna_id,
+ ("bring %s link down\n", bnad->netdev->name));
+ spin_lock_irq(&bnad->priv_lock);
+ bna_port_admin(bnad->priv, BNA_DISABLE);
+ spin_unlock_irq(&bnad->priv_lock);
+ }
+
+ bnad_detach(bnad);
+
+ for (i = 0; i < bnad->txq_num; i++) {
+ err = bnad_disable_txq(bnad, i);
+ if (err)
+ return err;
+ }
+
+ for (i = 0; i < bnad->rxq_num; i++) {
+#if defined(__VMKERNEL_MODULE__) && defined(__VMKNETDDI_QUEUEOPS__)
+ if (!test_bit(i, &bnad->rxq_active))
+ continue;
+#endif
+ rxq_id_mask |= (1 << i);
+ }
+ if (rxq_id_mask) {
+ err = bnad_disable_rxqs(bnad, rxq_id_mask);
+ if (err)
+ return err;
+ }
+
+ return 0;
+}
+
+int
+bnad_sw_reset(struct net_device *netdev)
+{
+ struct bnad *bnad = netdev_priv(netdev);
+ int err;
+
+ if (!netif_running(bnad->netdev) ||
+ test_bit(BNAD_DIAG_LB_MODE, &bnad->state))
+ return 0;
+
+ err = bnad_stop_locked(netdev);
+ if (err) {
+ BNA_TRACE_WARN(bnad, err, ("%s sw reset: disable failed %d\n",
+ bnad->netdev->name, err));
+ /* Recoverable */
+ return 0;
+ }
+
+ err = bnad_open_locked(netdev);
+ if (err) {
+ BNA_TRACE_WARN(bnad, err, ("%s sw reset: enable failed %d\n",
+ bnad->netdev->name, err));
+ return err;
+ }
+
+ return 0;
+}
+
+int
+bnad_resetting(struct bnad *bnad)
+{
+ rtnl_lock();
+ BNA_TRACE(bnad, bnad->bna_id);
+ if (netif_running(bnad->netdev))
+ bnad_stop_locked(bnad->netdev);
+ set_bit(BNAD_RESETTING, &bnad->state);
+ rtnl_unlock();
+ return 0;
+}
+
+int
+bnad_alloc_ib(struct bnad *bnad, uint ib_id)
+{
+ struct bnad_ib_entry *ib_entry;
+ dma_addr_t dma_addr;
+
+ BNA_ASSERT(bnad->ib_table && ib_id < bnad->ib_num);
+ ib_entry = &bnad->ib_table[ib_id];
+ ib_entry->ib_seg_addr = pci_alloc_consistent(bnad->pcidev,
+ L1_CACHE_BYTES, &dma_addr);
+ if (!ib_entry->ib_seg_addr)
+ return -ENOMEM;
+ BNA_TRACE_DEBUG(bnad, dma_addr, ("%s IB %d dma addr 0x%x\n",
+ bnad->netdev->name, ib_id, dma_addr));
+
+ BNA_SET_DMA_ADDR(dma_addr, &ib_entry->ib_config.ib_seg_addr);
+ return 0;
+}
+static int
+bnad_alloc_ibs(struct bnad *bnad)
+{
+ uint i;
+ int err;
+
+ bnad->ib_num = bnad->txq_num + bnad->cq_num;
+ bnad->ib_table = kzalloc(bnad->ib_num *
+ sizeof(struct bnad_ib_entry), GFP_KERNEL);
+ if (!bnad->ib_table)
+ return -ENOMEM;
+
+ for (i = 0; i < bnad->ib_num; i++) {
+ err = bnad_alloc_ib(bnad, i);
+ if (err)
+ goto free_ibs;
+ }
+ return 0;
+
+free_ibs:
+ bnad_free_ibs(bnad);
+ return err;
+}
+
+void
+bnad_free_ib(struct bnad *bnad, uint ib_id)
+{
+ struct bnad_ib_entry *ib_entry;
+ dma_addr_t dma_addr;
+
+ BNA_ASSERT(bnad->ib_table && ib_id < bnad->ib_num);
+ ib_entry = &bnad->ib_table[ib_id];
+ if (ib_entry->ib_seg_addr) {
+ BNA_GET_DMA_ADDR(&ib_entry->ib_config.ib_seg_addr, dma_addr);
+ pci_free_consistent(bnad->pcidev, L1_CACHE_BYTES,
+ ib_entry->ib_seg_addr, dma_addr);
+ ib_entry->ib_seg_addr = NULL;
+ }
+}
+
+static void
+bnad_free_ibs(struct bnad *bnad)
+{
+ uint i;
+
+ if (!bnad->ib_table)
+ return;
+
+ for (i = 0; i < bnad->ib_num; i++)
+ bnad_free_ib(bnad, i);
+ kfree(bnad->ib_table);
+ bnad->ib_table = NULL;
+}
+
+/* Let the caller deal with error - free memory. */
+static int
+bnad_alloc_q(struct bnad *bnad, struct bna_qpt *qpt, struct bna_q *q,
+ size_t qsize)
+{
+ size_t i;
+ dma_addr_t dma_addr;
+
+ qsize = ALIGN(qsize, PAGE_SIZE);
+ qpt->page_count = qsize >> PAGE_SHIFT;
+ qpt->page_size = PAGE_SIZE;
+
+ BNA_TRACE_DEBUG(bnad, qpt->page_count,
+ ("qpt page count 0x%x, ", qpt->page_count));
+ BNA_TRACE_DEBUG(bnad, qpt->page_size,
+ ("page size 0x%x\n", qpt->page_size));
+
+ qpt->kv_qpt_ptr = pci_alloc_consistent(bnad->pcidev,
+ qpt->page_count *
+ sizeof(struct bna_dma_addr),
+ &dma_addr);
+ if (!qpt->kv_qpt_ptr)
+ return -ENOMEM;
+ BNA_SET_DMA_ADDR(dma_addr, &qpt->hw_qpt_ptr);
+ BNA_TRACE_DEBUG(bnad, (unsigned long) qpt->kv_qpt_ptr,
+ ("qpt host addr %p, ", qpt->kv_qpt_ptr));
+ BNA_TRACE_DEBUG(bnad, dma_addr, ("dma addr 0x%x\n", dma_addr));
+
+ q->qpt_ptr = kzalloc(qpt->page_count * sizeof(void *), GFP_KERNEL);
+ if (!q->qpt_ptr)
+ return -ENOMEM;
+ qpt->qpt_ptr = q->qpt_ptr;
+ for (i = 0; i < qpt->page_count; i++) {
+ q->qpt_ptr[i] =
+ pci_alloc_consistent(bnad->pcidev, PAGE_SIZE,
+ &dma_addr);
+ if (!q->qpt_ptr[i])
+ return -ENOMEM;
+ BNA_SET_DMA_ADDR(dma_addr,
+ &((struct bna_dma_addr *) qpt->kv_qpt_ptr)[i]);
+
+ BNA_TRACE_DEBUG(bnad, i, ("page %d ", i));
+ BNA_TRACE_DEBUG(bnad, (unsigned long) q->qpt_ptr[i],
+ ("host addr %p, ", q->qpt_ptr[i]));
+ BNA_TRACE_DEBUG(bnad, dma_addr, ("dma addr 0x%x\n", dma_addr));
+ }
+
+ return 0;
+}
+
+static void
+bnad_free_q(struct bnad *bnad, struct bna_qpt *qpt, struct bna_q *q)
+{
+ int i;
+ dma_addr_t dma_addr;
+
+ if (qpt->kv_qpt_ptr && q->qpt_ptr) {
+ for (i = 0; i < qpt->page_count; i++) {
+ if (q->qpt_ptr[i]) {
+ BNA_GET_DMA_ADDR(&
+ ((struct bna_dma_addr *) qpt->
+ kv_qpt_ptr)[i], dma_addr);
+ pci_free_consistent(bnad->pcidev, PAGE_SIZE,
+ q->qpt_ptr[i], dma_addr);
+ }
+ }
+ }
+
+ if (q->qpt_ptr) {
+ kfree(q->qpt_ptr);
+ qpt->qpt_ptr = q->qpt_ptr = NULL;
+ }
+
+ if (qpt->kv_qpt_ptr) {
+ BNA_GET_DMA_ADDR(&qpt->hw_qpt_ptr, dma_addr);
+ pci_free_consistent(bnad->pcidev,
+ qpt->page_count *
+ sizeof(struct bna_dma_addr),
+ qpt->kv_qpt_ptr, dma_addr);
+ qpt->kv_qpt_ptr = NULL;
+ }
+}
+
+static void
+bnad_free_txq(struct bnad *bnad, uint txq_id)
+{
+ struct bnad_txq_info *txqinfo;
+
+ BNA_ASSERT(bnad->txq_table && txq_id < bnad->txq_num);
+ txqinfo = &bnad->txq_table[txq_id];
+ bnad_free_q(bnad, &txqinfo->txq_config.qpt, &txqinfo->txq.q);
+ if (txqinfo->skb_unmap_q.unmap_array) {
+ bnad_free_txbufs(txqinfo, txqinfo->txq.q.producer_index);
+ vfree(txqinfo->skb_unmap_q.unmap_array);
+ txqinfo->skb_unmap_q.unmap_array = NULL;
+ }
+}
+
+void
+bnad_free_rxq(struct bnad *bnad, uint rxq_id)
+{
+ struct bnad_rxq_info *rxqinfo;
+
+ BNA_ASSERT(bnad->rxq_table && rxq_id < bnad->rxq_num);
+ rxqinfo = &bnad->rxq_table[rxq_id];
+ bnad_free_q(bnad, &rxqinfo->rxq_config.qpt, &rxqinfo->rxq.q);
+ if (rxqinfo->skb_unmap_q.unmap_array) {
+ bnad_flush_rxbufs(rxqinfo);
+ vfree(rxqinfo->skb_unmap_q.unmap_array);
+ rxqinfo->skb_unmap_q.unmap_array = NULL;
+ }
+}
+
+void
+bnad_free_cq(struct bnad *bnad, uint cq_id)
+{
+ struct bnad_cq_info *cqinfo = &bnad->cq_table[cq_id];
+
+ BNA_ASSERT(bnad->cq_table && cq_id < bnad->cq_num);
+ bnad_free_q(bnad, &cqinfo->cq_config.qpt, &cqinfo->cq.q);
+#ifdef BNAD_LRO
+ vfree(cqinfo->lro.lro_arr);
+ cqinfo->lro.lro_arr = NULL;
+#endif
+}
+
+static void
+bnad_free_queues(struct bnad *bnad)
+{
+ uint i;
+
+ if (bnad->txq_table) {
+ for (i = 0; i < bnad->txq_num; i++)
+ bnad_free_txq(bnad, i);
+ kfree(bnad->txq_table);
+ bnad->txq_table = NULL;
+ }
+
+ if (bnad->rxq_table) {
+ for (i = 0; i < bnad->rxq_num; i++)
+ bnad_free_rxq(bnad, i);
+ kfree(bnad->rxq_table);
+ bnad->rxq_table = NULL;
+ }
+
+ if (bnad->cq_table) {
+ for (i = 0; i < bnad->cq_num; i++)
+ bnad_free_cq(bnad, i);
+ kfree(bnad->cq_table);
+ bnad->cq_table = NULL;
+ }
+}
+
+static int
+bnad_txq_init(struct bnad *bnad, uint txq_id)
+{
+ struct bnad_txq_info *txqinfo;
+ int err;
+
+ BNA_ASSERT(bnad->txq_table && txq_id < bnad->txq_num);
+ txqinfo = &bnad->txq_table[txq_id];
+ BNA_TRACE_DEBUG(bnad, txq_id, ("%s allocating TxQ %d\n",
+ bnad->netdev->name, txq_id));
+ err = bnad_alloc_q(bnad, &txqinfo->txq_config.qpt, &txqinfo->txq.q,
+ bnad->txq_depth * sizeof(struct bna_txq_entry));
+ if (err) {
+ bnad_free_q(bnad, &txqinfo->txq_config.qpt, &txqinfo->txq.q);
+ return err;
+ }
+ txqinfo->txq.q.q_depth = bnad->txq_depth;
+ txqinfo->bnad = bnad;
+ txqinfo->txq_config.txf_id = BNAD_TX_FUNC_ID;
+ snprintf(txqinfo->name, sizeof(txqinfo->name), "%s TxQ %d",
+ bnad->netdev->name, txq_id);
+ return 0;
+}
+
+static int
+bnad_txqs_init(struct bnad *bnad)
+{
+ int i, err = 0;
+
+ bnad->txq_table = kzalloc(bnad->txq_num *
+ sizeof(struct bnad_txq_info), GFP_KERNEL);
+ if (!bnad->txq_table)
+ return -ENOMEM;
+
+ for (i = 0; i < bnad->txq_num; i++) {
+ err = bnad_txq_init(bnad, i);
+ if (err)
+ break;
+ }
+ return err;
+}
+
+int
+bnad_rxq_init(struct bnad *bnad, uint rxq_id)
+{
+ struct bnad_rxq_info *rxqinfo;
+ int err;
+
+ BNA_ASSERT(bnad->rxq_table && rxq_id < bnad->rxq_num);
+ rxqinfo = &bnad->rxq_table[rxq_id];
+ BNA_TRACE_DEBUG(bnad, rxq_id, ("%s allocating RxQ %d\n",
+ bnad->netdev->name, rxq_id));
+ err = bnad_alloc_q(bnad, &rxqinfo->rxq_config.qpt, &rxqinfo->rxq.q,
+ bnad->rxq_depth * sizeof(struct bna_rxq_entry));
+ if (err) {
+ bnad_free_q(bnad, &rxqinfo->rxq_config.qpt, &rxqinfo->rxq.q);
+ return err;
+ }
+ rxqinfo->rxq.q.q_depth = bnad->rxq_depth;
+ rxqinfo->bnad = bnad;
+ rxqinfo->rxq_id = rxq_id;
+ rxqinfo->rxq_config.cq_id = rxq_id / bnad_rxqs_per_cq;
+
+ return 0;
+}
+
+static int
+bnad_rxqs_init(struct bnad *bnad)
+{
+ int i, err = 0;
+
+ bnad->rxq_table = kzalloc(bnad->rxq_num *
+ sizeof(struct bnad_rxq_info), GFP_KERNEL);
+ if (!bnad->rxq_table)
+ return -EINVAL;
+
+ for (i = 0; i < bnad->rxq_num; i++) {
+#if defined(__VMKERNEL_MODULE__) && defined(__VMKNETDDI_QUEUEOPS__)
+ if (!test_bit(i, &bnad->rxq_active))
+ continue;
+#endif
+ err = bnad_rxq_init(bnad, i);
+ if (err)
+ break;
+ }
+ return err;
+}
+
+int
+bnad_cq_init(struct bnad *bnad, uint cq_id)
+{
+ struct bnad_cq_info *cqinfo;
+ int err;
+
+ BNA_ASSERT(bnad->cq_table && cq_id < bnad->cq_num);
+ cqinfo = &bnad->cq_table[cq_id];
+ BNA_TRACE_DEBUG(bnad, cq_id, ("%s allocating CQ %d\n",
+ bnad->netdev->name, cq_id));
+ err = bnad_alloc_q(bnad, &cqinfo->cq_config.qpt, &cqinfo->cq.q,
+ bnad->rxq_depth * bnad_rxqs_per_cq *
+ sizeof(struct bna_cq_entry));
+ if (err) {
+ bnad_free_q(bnad, &cqinfo->cq_config.qpt, &cqinfo->cq.q);
+ return err;
+ }
+
+ cqinfo->cq.q.q_depth = bnad->rxq_depth * bnad_rxqs_per_cq;
+ cqinfo->bnad = bnad;
+
+#ifdef BNAD_LRO
+ cqinfo->lro.dev = bnad->netdev;
+#ifdef BNAD_NAPI
+ cqinfo->lro.features |= LRO_F_NAPI;
+#endif
+ if (bnad_vlan_strip)
+ cqinfo->lro.features |= LRO_F_EXTRACT_VLAN_ID;
+ cqinfo->lro.ip_summed = CHECKSUM_UNNECESSARY;
+ cqinfo->lro.ip_summed_aggr = CHECKSUM_UNNECESSARY;
+ cqinfo->lro.max_desc = BNAD_LRO_MAX_DESC;
+ cqinfo->lro.max_aggr = BNAD_LRO_MAX_AGGR;
+ /* XXX */
+ cqinfo->lro.frag_align_pad = 0;
+ cqinfo->lro.lro_arr = vmalloc(BNAD_LRO_MAX_DESC *
+ sizeof(struct net_lro_desc));
+ if (!cqinfo->lro.lro_arr) {
+ bnad_free_q(bnad, &cqinfo->cq_config.qpt, &cqinfo->cq.q);
+ return err;
+ }
+ memset(cqinfo->lro.lro_arr, 0, BNAD_LRO_MAX_DESC *
+ sizeof(struct net_lro_desc));
+ cqinfo->lro.get_skb_header = bnad_lro_get_skb_header;
+#endif
+
+#ifdef BNA_DYN_INTR_MOD
+ cqinfo->rx_coalescing_timeo = bnad->rx_coalescing_timeo;
+#endif
+
+ cqinfo->cq_id = cq_id;
+ snprintf(cqinfo->name, sizeof(cqinfo->name), "%s CQ %d",
+ bnad->netdev->name, cq_id);
+
+ return 0;
+}
+
+static int
+bnad_cqs_init(struct bnad *bnad)
+{
+ int i, err = 0;
+
+ bnad->cq_table = kzalloc(bnad->cq_num * sizeof(struct bnad_cq_info),
+ GFP_KERNEL);
+ if (!bnad->cq_table)
+ return -ENOMEM;
+
+ for (i = 0; i < bnad->cq_num; i++) {
+#if defined(__VMKERNEL_MODULE__) && defined(__VMKNETDDI_QUEUEOPS__)
+ if (!test_bit(i, &bnad->cq_active))
+ continue;
+#endif
+ err = bnad_cq_init(bnad, i);
+ if (err)
+ break;
+ }
+ return err;
+}
+
+static uint
+bnad_get_qsize(uint qsize_conf, uint mtu)
+{
+ uint qsize;
+
+ if (mtu > ETH_DATA_LEN) {
+ qsize = qsize_conf / (mtu / ETH_DATA_LEN);
+ if (!BNA_POWER_OF_2(qsize))
+ BNA_TO_POWER_OF_2_HIGH(qsize);
+ if (qsize < BNAD_MIN_Q_DEPTH)
+ qsize = BNAD_MIN_Q_DEPTH;
+ } else
+ qsize = bnad_txq_depth;
+
+ return qsize;
+}
+
+static int
+bnad_init_queues(struct bnad *bnad)
+{
+ int err;
+
+ if (!(bnad->flags & BNAD_F_TXQ_DEPTH))
+ bnad->txq_depth =
+ bnad_get_qsize(bnad_txq_depth, bnad->netdev->mtu);
+ if (!(bnad->flags & BNAD_F_RXQ_DEPTH))
+ bnad->rxq_depth =
+ bnad_get_qsize(bnad_rxq_depth, bnad->netdev->mtu);
+
+ err = bnad_txqs_init(bnad);
+ if (err)
+ return err;
+
+ err = bnad_rxqs_init(bnad);
+ if (err)
+ return err;
+
+ err = bnad_cqs_init(bnad);
+
+ return err;
+}
+
+void
+bnad_rxib_init(struct bnad *bnad, uint cq_id, uint ib_id)
+{
+ struct bnad_cq_info *cqinfo;
+ struct bnad_ib_entry *ib_entry;
+ struct bna_ib_config *ib_config;
+
+ BNA_ASSERT(cq_id < bnad->cq_num && ib_id < bnad->ib_num);
+ cqinfo = &bnad->cq_table[cq_id];
+ ib_entry = &bnad->ib_table[ib_id];
+
+ cqinfo->hw_producer_index = (u32 *) (ib_entry->ib_seg_addr);
+ cqinfo->cq_config.ib_id = ib_id;
+ cqinfo->cq_config.ib_seg_index = 0;
+
+ ib_entry->ib = &cqinfo->ib;
+ ib_config = &ib_entry->ib_config;
+ ib_config->coalescing_timer = bnad->rx_coalescing_timeo;
+#if 1
+ ib_config->control_flags =
+ BNA_IB_CF_INT_ENABLE | BNA_IB_CF_MASTER_ENABLE;
+#else
+ ib_config->control_flags = BNA_IB_CF_INT_ENABLE |
+ BNA_IB_CF_INTER_PKT_ENABLE | BNA_IB_CF_MASTER_ENABLE;
+ ib_config->interpkt_count = bnad->rx_interpkt_count;
+ ib_config->interpkt_timer = bnad->rx_interpkt_timeo;
+#endif
+ if (bnad->flags & BNAD_F_MSIX) {
+ ib_config->control_flags |= BNA_IB_CF_MSIX_MODE;
+ ib_config->msix_vector = ib_id;
+ } else
+ ib_config->msix_vector = 1 << ib_id;
+
+ /* Every CQ has its own IB. */
+ ib_config->seg_size = 1;
+ ib_config->index_table_offset = ib_id;
+}
+
+static void
+bnad_ibs_init(struct bnad *bnad)
+{
+ struct bnad_ib_entry *ib_entry;
+ struct bna_ib_config *ib_config;
+ struct bnad_txq_info *txqinfo;
+
+ int ib_id, i;
+
+ ib_id = 0;
+ for (i = 0; i < bnad->txq_num; i++) {
+ txqinfo = &bnad->txq_table[i];
+ ib_entry = &bnad->ib_table[ib_id];
+
+ txqinfo->hw_consumer_index = ib_entry->ib_seg_addr;
+ txqinfo->txq_config.ib_id = ib_id;
+ txqinfo->txq_config.ib_seg_index = 0;
+
+ ib_entry->ib = &txqinfo->ib;
+ ib_config = &ib_entry->ib_config;
+ ib_config->coalescing_timer = bnad->tx_coalescing_timeo;
+ ib_config->control_flags = BNA_IB_CF_INTER_PKT_DMA |
+ BNA_IB_CF_INT_ENABLE | BNA_IB_CF_COALESCING_MODE |
+ BNA_IB_CF_MASTER_ENABLE;
+ if (bnad->flags & BNAD_F_MSIX) {
+ ib_config->control_flags |= BNA_IB_CF_MSIX_MODE;
+ ib_config->msix_vector = ib_id;
+ } else
+ ib_config->msix_vector = 1 << ib_id;
+ ib_config->interpkt_count = bnad->tx_interpkt_count;
+
+ /* Every TxQ has its own IB. */
+ ib_config->seg_size = 1;
+ ib_config->index_table_offset = ib_id;
+ ib_id++;
+ }
+
+ for (i = 0; i < bnad->cq_num; i++, ib_id++) {
+#if defined(__VMKERNEL_MODULE__) && defined(__VMKNETDDI_QUEUEOPS__)
+ if (!test_bit(i, &bnad->cq_active))
+ continue;
+#endif
+ bnad_rxib_init(bnad, i, ib_id);
+ }
+}
+
+static void
+bnad_txf_init(struct bnad *bnad, uint txf_id)
+{
+ struct bnad_txf_info *txf_info;
+
+ BNA_ASSERT(bnad->txf_table && txf_id < bnad->txf_num);
+ txf_info = &bnad->txf_table[txf_id];
+ txf_info->txf_id = txf_id;
+ txf_info->txf_config.flags =
+ BNA_TXF_CF_VLAN_WI_BASED | BNA_TXF_CF_ENABLE;
+}
+
+void
+bnad_rxf_init(struct bnad *bnad, uint rxf_id, u8 rit_offset, int rss)
+{
+ struct bnad_rxf_info *rxf_info;
+
+ BNA_ASSERT(bnad->rxf_table && rxf_id < bnad->rxf_num);
+ rxf_info = &bnad->rxf_table[rxf_id];
+ rxf_info->rxf_id = rxf_id;
+ rxf_info->rxf_config.rit_offset = rit_offset;
+ rxf_info->rxf_config.mcast_rxq_id = BNAD_MULTICAST_RXQ_ID;
+ if (bnad_small_large_rxbufs)
+ rxf_info->rxf_config.flags |= BNA_RXF_CF_SM_LG_RXQ;
+ if (bnad_vlan_strip)
+ rxf_info->rxf_config.flags |= BNA_RXF_CF_VLAN_STRIP;
+#if defined(__VMKERNEL_MODULE__) && defined(__VMKNETDDI_QUEUEOPS__)
+ rxf_info->rxf_config.flags |= BNA_RXF_CF_DEFAULT_FUNCTION_ENABLE;
+#endif
+ if (rss) {
+ struct bna_rxf_rss *rxf_rss;
+
+ rxf_info->rxf_config.flags |= BNA_RXF_CF_RSS_ENABLE;
+ rxf_rss = &rxf_info->rxf_config.rss;
+ rxf_rss->type = BNA_RSS_V4_TCP | BNA_RSS_V4_IP |
+ BNA_RSS_V6_TCP | BNA_RSS_V6_IP;
+#if defined(__VMKERNEL_MODULE__) && defined(__VMKNETDDI_QUEUEOPS__)
+ rxf_rss->hash_mask = 0;
+#else
+ rxf_rss->hash_mask = bnad->cq_num - 1;
+#endif
+ get_random_bytes(rxf_rss->toeplitz_hash_key,
+ sizeof(rxf_rss->toeplitz_hash_key));
+ }
+ BNA_TRACE_DEBUG(bnad, rxf_id, ("%s RxF %u config flags 0x%x\n",
+ bnad->netdev->name, rxf_id,
+ rxf_info->rxf_config.flags));
+}
+
+static int
+bnad_init_funcs(struct bnad *bnad)
+{
+#if defined(__VMKERNEL_MODULE__) && defined(__VMKNETDDI_QUEUEOPS__)
+ int i;
+#endif
+ bnad->txf_table = kzalloc(sizeof(struct bnad_txf_info) * bnad->txf_num,
+ GFP_KERNEL);
+ if (!bnad->txf_table)
+ return -ENOMEM;
+ bnad_txf_init(bnad, BNAD_TX_FUNC_ID);
+
+ bnad->rxf_table = kzalloc(sizeof(struct bnad_rxf_info) * bnad->rxf_num,
+ GFP_KERNEL);
+ if (!bnad->rxf_table)
+ return -ENOMEM;
+#if defined(__VMKERNEL_MODULE__) && defined(__VMKNETDDI_QUEUEOPS__)
+ bnad_rxf_init(bnad, BNAD_RX_FUNC_ID, BNAD_RIT_OFFSET, 0);
+ for (i = BNAD_FIRST_NETQ_RXF; i < bnad->rxf_num; i++) {
+ bnad_rxf_init(bnad, i, BNAD_GET_RIT_FROM_RXF(i), 0);
+ BNA_TRACE_DEBUG(bnad, i, ("%s RxF %u -> RxQ %u\n",
+ bnad->netdev->name, i,
+ bnad->rxf_table[i].rxf_config.
+ rit_offset));
+ }
+#else
+ bnad_rxf_init(bnad, BNAD_RX_FUNC_ID, BNAD_RIT_OFFSET,
+ (bnad->cq_num > 1) ? 1 : 0);
+#endif
+ return 0;
+}
+
+static void
+bnad_setup_txq(struct bnad *bnad, uint txq_id)
+{
+ struct bnad_txq_info *txqinfo;
+
+ BNA_ASSERT(txq_id < bnad->txq_num);
+ txqinfo = &bnad->txq_table[txq_id];
+ txqinfo->txq_config.priority = txq_id;
+ /* Set wrr_quota properly if multiple priorities/TxQs are enabled. */
+ txqinfo->txq_config.wrr_quota = BNAD_TX_MAX_WRR_QUOTA;
+
+ spin_lock_irq(&bnad->priv_lock);
+ bna_txq_config(bnad->priv, &txqinfo->txq, txq_id, &txqinfo->txq_config);
+ spin_unlock_irq(&bnad->priv_lock);
+}
+
+void
+bnad_setup_rxq(struct bnad *bnad, uint rxq_id)
+{
+ struct bnad_rxq_info *rxqinfo;
+
+ BNA_ASSERT(rxq_id < bnad->rxq_num);
+ rxqinfo = &bnad->rxq_table[rxq_id];
+ /*
+ * Every RxQ set has 2 RxQs: the first is large buffer RxQ,
+ * the second is small buffer RxQ.
+ */
+ if ((rxq_id % bnad_rxqs_per_cq) == 0)
+ rxqinfo->rxq_config.buffer_size =
+ (bnad_vlan_strip ? VLAN_ETH_HLEN : ETH_HLEN) +
+ bnad->netdev->mtu + ETH_FCS_LEN;
+ else
+ rxqinfo->rxq_config.buffer_size = BNAD_SMALL_RXBUF_SIZE;
+
+ spin_lock_irq(&bnad->priv_lock);
+ bna_rxq_config(bnad->priv, &rxqinfo->rxq, rxq_id, &rxqinfo->rxq_config);
+ spin_unlock_irq(&bnad->priv_lock);
+}
+
+void
+bnad_setup_cq(struct bnad *bnad, uint cq_id)
+{
+ struct bnad_cq_info *cqinfo;
+
+ BNA_ASSERT(cq_id < bnad->cq_num);
+ cqinfo = &bnad->cq_table[cq_id];
+ spin_lock_irq(&bnad->priv_lock);
+ bna_cq_config(bnad->priv, &cqinfo->cq, cq_id, &cqinfo->cq_config);
+ spin_unlock_irq(&bnad->priv_lock);
+}
+
+static void
+bnad_setup_queues(struct bnad *bnad)
+{
+ uint i;
+
+ for (i = 0; i < bnad->txq_num; i++)
+ bnad_setup_txq(bnad, i);
+
+ for (i = 0; i < bnad->rxq_num; i++) {
+#if defined(__VMKERNEL_MODULE__) && defined(__VMKNETDDI_QUEUEOPS__)
+ if (!test_bit(i, &bnad->rxq_active))
+ continue;
+#endif
+ bnad_setup_rxq(bnad, i);
+ }
+
+ for (i = 0; i < bnad->cq_num; i++) {
+#if defined(__VMKERNEL_MODULE__) && defined(__VMKNETDDI_QUEUEOPS__)
+ if (!test_bit(i, &bnad->cq_active))
+ continue;
+#endif
+ bnad_setup_cq(bnad, i);
+ }
+}
+
+
+#if defined(__VMKERNEL_MODULE__) && defined(__VMKNETDDI_QUEUEOPS__)
+static void
+bnad_setup_rit(struct bnad *bnad)
+{
+ int i, size;
+
+ size = bnad->cq_num;
+
+ for (i = 0; i < size; i++) {
+ if (bnad_small_large_rxbufs) {
+ bnad->rit[i].large_rxq_id = (i << 1);
+ bnad->rit[i].small_rxq_id = (i << 1) + 1;
+ } else {
+ bnad->rit[i].large_rxq_id = i;
+ bnad->rit[i].small_rxq_id = 0;
+ }
+
+ spin_lock_irq(&bnad->priv_lock);
+ bna_rit_config_set(bnad->priv, i, &bnad->rit[i], 1);
+ spin_unlock_irq(&bnad->priv_lock);
+ }
+}
+#else
+static void
+bnad_setup_rit(struct bnad *bnad)
+{
+ int i, size;
+
+ size = bnad->cq_num;
+
+ for (i = 0; i < size; i++) {
+ if (bnad_small_large_rxbufs) {
+ bnad->rit[i].large_rxq_id = (i << 1);
+ bnad->rit[i].small_rxq_id = (i << 1) + 1;
+ } else
+ bnad->rit[i].large_rxq_id = i;
+ }
+
+ spin_lock_irq(&bnad->priv_lock);
+ bna_rit_config_set(bnad->priv, BNAD_RIT_OFFSET, bnad->rit, size);
+ spin_unlock_irq(&bnad->priv_lock);
+}
+#endif
+
+void
+bnad_alloc_for_rxq(struct bnad *bnad, uint rxq_id)
+{
+ struct bnad_rxq_info *rxqinfo = &bnad->rxq_table[rxq_id];
+ u16 rxbufs;
+
+ BNA_ASSERT(bnad->rxq_table && rxq_id < bnad->rxq_num);
+ bnad_alloc_rxbufs(rxqinfo);
+ rxbufs = BNA_QE_IN_USE_CNT(&rxqinfo->skb_unmap_q,
+ rxqinfo->skb_unmap_q.q_depth);
+ BNA_TRACE_INFO(bnad, rxbufs, ("%s allocated %u rx buffers for RxQ %u\n",
+ bnad->netdev->name, rxbufs, rxq_id));
+}
+
+static int
+bnad_config_hw(struct bnad *bnad)
+{
+ int i, err;
+ u64 rxq_id_mask = 0;
+ struct sockaddr sa;
+ struct net_device *netdev = bnad->netdev;
+
+ spin_lock_irq(&bnad->priv_lock);
+ /* Disable the RxF until later bringing port up. */
+ bna_multi_rxf_disable(bnad->priv, (1 << bnad->rxf_num) - 1);
+ spin_unlock_irq(&bnad->priv_lock);
+ for (i = 0; i < bnad->txq_num; i++) {
+ err = bnad_disable_txq(bnad, i);
+ if (err)
+ return err;
+ }
+ for (i = 0; i < bnad->rxq_num; i++)
+ rxq_id_mask |= (1 << i);
+ if (rxq_id_mask) {
+ err = bnad_disable_rxqs(bnad, rxq_id_mask);
+ if (err)
+ return err;
+ }
+
+ bnad_setup_queues(bnad);
+
+ bnad_setup_rit(bnad);
+
+ spin_lock_irq(&bnad->priv_lock);
+ bna_txf_config_set(bnad->priv, BNAD_TX_FUNC_ID,
+ &bnad->txf_table->txf_config);
+ for (i = 0; i < bnad->rxf_num; i++) {
+ bna_rxf_config_set(bnad->priv, i,
+ &bnad->rxf_table[i].rxf_config);
+ bna_rxf_vlan_filter(bnad->priv, i, BNA_ENABLE);
+ }
+ spin_unlock_irq(&bnad->priv_lock);
+
+ /* Mailbox should be enabled before this! */
+ memcpy(sa.sa_data, netdev->dev_addr, netdev->addr_len);
+ bnad_set_mac_address_locked(netdev, &sa);
+
+ spin_lock_irq(&bnad->priv_lock);
+ /* Receive broadcasts */
+ bna_rxf_broadcast(bnad->priv, BNAD_RX_FUNC_ID, BNA_ENABLE);
+
+ bna_mtu_info(bnad->priv, netdev->mtu, bnad);
+ bna_set_pause_config(bnad->priv, &bnad->pause_config, bnad);
+
+ bna_rxf_mcast_del_all(bnad->priv, BNAD_RX_FUNC_ID);
+ bna_mcast_mac_reset_list(bnad->priv);
+ spin_unlock_irq(&bnad->priv_lock);
+
+ bnad_set_rx_mode_locked(bnad->netdev);
+
+#if !defined(__VMKERNEL_MODULE__) || !defined(__VMKNETDDI_QUEUEOPS__)
+ bnad_reconfig_vlans(bnad);
+#endif
+
+ bnad_setup_ibs(bnad);
+
+ return 0;
+}
+
+/* Note: bnad_cleanup doesn't not free irqs and queues. */
+static void
+bnad_cleanup(struct bnad *bnad)
+{
+ if (bnad->rit) {
+ kfree(bnad->rit);
+ bnad->rit = NULL;
+ }
+ if (bnad->txf_table) {
+ kfree(bnad->txf_table);
+ bnad->txf_table = NULL;
+ }
+ if (bnad->rxf_table) {
+ kfree(bnad->rxf_table);
+ bnad->rxf_table = NULL;
+ }
+
+ bnad_free_ibs(bnad);
+ bnad_free_queues(bnad);
+}
+
+/* Should be called with rtnl_lock held. */
+static int
+bnad_start(struct bnad *bnad)
+{
+ int err;
+
+ ASSERT_RTNL();
+
+ err = bnad_alloc_ibs(bnad);
+ if (err)
+ return err;
+
+ err = bnad_init_queues(bnad);
+ if (err)
+ goto finished;
+
+ bnad_ibs_init(bnad);
+
+ err = bnad_init_funcs(bnad);
+ if (err)
+ goto finished;
+
+ err = bnad_alloc_unmap_queues(bnad);
+ if (err)
+ goto finished;
+
+ bnad->rit = kzalloc(bnad->cq_num * sizeof(struct bna_rit_entry),
+ GFP_KERNEL);
+
+ if (!bnad->rit)
+ goto finished;
+
+ err = bnad_config_hw(bnad);
+ if (err)
+ goto finished;
+
+#ifdef BNAD_NEW_NAPI
+ if (!test_bit(BNAD_DIAG_LB_MODE, &bnad->state)) {
+ bnad_napi_init(bnad);
+ bnad_napi_enable(bnad);
+ }
+#endif
+
+ err = bnad_request_txrx_irqs(bnad);
+ if (err) {
+ BNA_TRACE_ERROR(bnad, err,
+ ("%s requests Tx/Rx irqs failed: %d\n",
+ bnad->netdev->name, err));
+ goto finished;
+ }
+ return 0;
+
+finished:
+ bnad_cleanup(bnad);
+ return err;
+}
+
+int
+bnad_open_locked(struct net_device *netdev)
+{
+ struct bnad *bnad = netdev_priv(netdev);
+ uint i;
+ int err;
+
+ ASSERT_RTNL();
+ BNA_TRACE_WARN(bnad, bnad->bna_id, ("%s open\n", netdev->name));
+
+ if (BNAD_NOT_READY(bnad)) {
+ BNA_TRACE_WARN(bnad, bnad->state,
+ ("%s is not ready yet (0x%x)\n", netdev->name,
+ bnad->state));
+ return 0;
+ }
+
+ if (!test_bit(BNAD_DISABLED, &bnad->state)) {
+ BNA_TRACE_WARN(bnad, bnad->state,
+ ("%s is already opened (0x%x)\n", netdev->name,
+ bnad->state));
+
+ return 0;
+ }
+
+ err = bnad_start(bnad);
+ if (err) {
+ BNA_TRACE_ERROR(bnad, err,
+ ("%s failed to start %d\n", netdev->name, err));
+ return err;
+ }
+ for (i = 0; i < bnad->rxq_num; i++) {
+#if defined(__VMKERNEL_MODULE__) && defined(__VMKNETDDI_QUEUEOPS__)
+ if (!test_bit(i, &bnad->rxq_active))
+ continue;
+#endif
+ bnad_alloc_for_rxq(bnad, i);
+ }
+
+ smp_mb__before_clear_bit();
+ clear_bit(BNAD_DISABLED, &bnad->state);
+ BNA_TRACE_INFO(bnad, bnad->bna_id,
+ ("%s is opened\n", bnad->netdev->name));
+
+ /* XXX Packet may be come before we bring the port up. */
+ spin_lock_irq(&bnad->priv_lock);
+
+#if defined(__VMKERNEL_MODULE__) && defined(__VMKNETDDI_QUEUEOPS__)
+ /* all RxFs were disabled earlier, enable active ones */
+ bna_multi_rxf_enable(bnad->priv, bnad->rxf_active);
+#else
+ /* RxF was disabled earlier. */
+ bna_rxf_enable(bnad->priv, BNAD_RX_FUNC_ID);
+#endif
+ spin_unlock_irq(&bnad->priv_lock);
+
+#if defined(__VMKERNEL_MODULE__) && defined(__VMKNETDDI_QUEUEOPS__)
+ err = bnad_netq_restore_filters(bnad);
+ BNA_ASSERT(!err);
+#endif
+
+ BNA_TRACE_INFO(bnad, bnad->bna_id,
+ ("Bring %s link up\n", netdev->name));
+ if (!test_bit(BNAD_DIAG_LB_MODE, &bnad->state)) {
+ spin_lock_irq(&bnad->priv_lock);
+ bna_port_admin(bnad->priv, BNA_ENABLE);
+ spin_unlock_irq(&bnad->priv_lock);
+ }
+
+ mod_timer(&bnad->stats_timer, jiffies + HZ);
+
+ return 0;
+}
+
+int
+bnad_stop_locked(struct net_device *netdev)
+{
+ struct bnad *bnad = netdev_priv(netdev);
+
+ ASSERT_RTNL();
+ BNA_TRACE_WARN(bnad, bnad->bna_id, ("%s stop\n", netdev->name));
+
+ if (test_and_set_bit(BNAD_DISABLED, &bnad->state)) {
+ if (BNAD_NOT_READY(bnad)) {
+ BNA_TRACE_WARN(bnad, bnad->state,
+ ("%s is not ready (0x%x)\n",
+ netdev->name, bnad->state));
+ } else {
+ BNA_TRACE_WARN(bnad, bnad->state,
+ ("%s is already stopped (0x%x)\n",
+ netdev->name, bnad->state));
+ }
+ return 0;
+ }
+
+ bnad_disable(bnad);
+ bnad_cleanup(bnad);
+ BNA_TRACE_INFO(bnad, bnad->bna_id,
+ ("%s is stopped\n", bnad->netdev->name));
+ return 0;
+}
+
+int
+bnad_open(struct net_device *netdev)
+{
+ struct bnad *bnad = netdev_priv(netdev);
+ int error = 0;
+
+ bnad_lock();
+ if (!test_bit(BNAD_DIAG_LB_MODE, &bnad->state) &&
+ !test_bit(BNAD_PORT_DISABLED, &bnad->state))
+ error = bnad_open_locked(netdev);
+ bnad_unlock();
+ return error;
+}
+
+int
+bnad_stop(struct net_device *netdev)
+{
+ struct bnad *bnad = netdev_priv(netdev);
+ int error = 0;
+
+ bnad_lock();
+ if (!test_bit(BNAD_DIAG_LB_MODE, &bnad->state))
+ error = bnad_stop_locked(netdev);
+ bnad_unlock();
+ return error;
+}
+
+static int
+bnad_tso_prepare(struct bnad *bnad, struct sk_buff *skb)
+{
+#ifdef NETIF_F_TSO
+ int err;
+
+#ifdef SKB_GSO_TCPV4
+ /* SKB_GSO_TCPV4 and SKB_GSO_TCPV6 is defined since 2.6.18. */
+ BNA_ASSERT(skb_shinfo(skb)->gso_type == SKB_GSO_TCPV4 ||
+ skb_shinfo(skb)->gso_type == SKB_GSO_TCPV6);
+#endif
+ if (skb_header_cloned(skb)) {
+ err = pskb_expand_head(skb, 0, 0, GFP_ATOMIC);
+ if (err) {
+ bnad->stats.tso_err++;
+ return err;
+ }
+ }
+
+ /*
+ * For TSO, the TCP checksum field is seeded with pseudo-header sum
+ * excluding the length field.
+ */
+ if (skb->protocol == htons(ETH_P_IP)) {
+ struct iphdr *iph = ip_hdr(skb);
+
+ /* Do we really need these? */
+ iph->tot_len = 0;
+ iph->check = 0;
+
+ tcp_hdr(skb)->check =
+ ~csum_tcpudp_magic(iph->saddr, iph->daddr, 0,
+ IPPROTO_TCP, 0);
+ bnad->stats.tso4++;
+#ifdef NETIF_F_TSO6
+ } else {
+ struct ipv6hdr *ipv6h = ipv6_hdr(skb);
+
+ BNA_ASSERT(skb->protocol == htons(ETH_P_IPV6));
+ ipv6h->payload_len = 0;
+ tcp_hdr(skb)->check =
+ ~csum_ipv6_magic(&ipv6h->saddr, &ipv6h->daddr, 0,
+ IPPROTO_TCP, 0);
+ bnad->stats.tso6++;
+#endif
+ }
+
+ return 0;
+#else
+ return -EINVAL;
+#endif
+}
+
+int
+bnad_start_xmit(struct sk_buff *skb, struct net_device *netdev)
+{
+ struct bnad *bnad = netdev_priv(netdev);
+ struct bnad_txq_info *txqinfo;
+ struct bna_txq *txq;
+ struct bnad_unmap_q *unmap_q;
+ u16 txq_prod;
+ unsigned int unmap_prod, wis, wis_used, wi_range;
+ unsigned int vectors, vect_id, i, acked;
+ int err;
+ dma_addr_t dma_addr;
+ struct bna_txq_entry *txqent;
+ bna_txq_wi_ctrl_flag_t flags;
+
+ if (unlikely
+ (skb->len <= ETH_HLEN || skb->len > BNAD_TX_MAX_DATA_PER_WI)) {
+ dev_kfree_skb(skb);
+ return NETDEV_TX_OK;
+ }
+
+ txqinfo = &bnad->txq_table[0];
+ txq = &txqinfo->txq;
+ unmap_q = &txqinfo->skb_unmap_q;
+
+ vectors = 1 + skb_shinfo(skb)->nr_frags;
+ if (vectors > BNAD_TX_MAX_VECTORS) {
+ dev_kfree_skb(skb);
+ return NETDEV_TX_OK;
+ }
+ wis = BNAD_TXQ_WI_NEEDED(vectors); /* 4 vectors per work item */
+ acked = 0;
+ if (unlikely(wis > BNA_Q_FREE_COUNT(txq) ||
+ vectors > BNA_QE_FREE_CNT(unmap_q, unmap_q->q_depth))) {
+ if ((u16) (*txqinfo->hw_consumer_index) !=
+ txq->q.consumer_index &&
+ !test_and_set_bit(BNAD_TXQ_FREE_SENT, &txqinfo->flags)) {
+ acked = bnad_free_txbufs(txqinfo,
+ (u16) (*txqinfo->
+ hw_consumer_index));
+ bna_ib_ack(bnad->priv, &txqinfo->ib, acked);
+ BNA_TRACE_DEBUG(bnad, acked,
+ ("%s ack TxQ IB %u packets\n",
+ netdev->name, acked));
+ smp_mb__before_clear_bit();
+ clear_bit(BNAD_TXQ_FREE_SENT, &txqinfo->flags);
+ } else {
+#ifdef BNAD_DIAG_LOOPBACK
+ if (!test_bit(BNAD_DIAG_LB_MODE, &bnad->state))
+ netif_stop_queue(netdev);
+#else
+ netif_stop_queue(netdev);
+#endif
+ }
+
+ smp_mb();
+ /*
+ * Check again to deal with race condition between
+ * netif_stop_queue here, and netif_wake_queue in
+ * interrupt handler which is not inside netif tx lock.
+ */
+ if (likely(wis > BNA_Q_FREE_COUNT(txq) ||
+ vectors > BNA_QE_FREE_CNT(unmap_q,
+ unmap_q->q_depth))) {
+ bnad->stats.netif_queue_stop++;
+ return NETDEV_TX_BUSY;
+ } else {
+#ifdef BNAD_DIAG_LOOPBACK
+ if (!test_bit(BNAD_DIAG_LB_MODE, &bnad->state))
+ netif_wake_queue(netdev);
+#else
+ netif_wake_queue(netdev);
+#endif
+ }
+ }
+
+ unmap_prod = unmap_q->producer_index;
+ wis_used = 1;
+ vect_id = 0;
+ flags = 0;
+
+ txq_prod = txq->q.producer_index;
+ BNA_TXQ_QPGE_PTR_GET(txq_prod, &txq->q, txqent, wi_range);
+ BNA_ASSERT(wi_range && wi_range <= txq->q.q_depth);
+ txqent->hdr.wi.reserved = 0;
+ txqent->hdr.wi.num_vectors = vectors;
+ txqent->hdr.wi.opcode = htons((skb_is_gso(skb) ?
+ BNA_TXQ_WI_SEND_LSO : BNA_TXQ_WI_SEND));
+
+ if (bnad_ipid_mode)
+ flags |= BNA_TXQ_WI_CF_IPID_MODE;
+
+ if (bnad->vlangrp && vlan_tx_tag_present(skb)) {
+ u16 vlan_tag = (u16) vlan_tx_tag_get(skb);
+ if ((vlan_tag >> 13) & 0x7)
+ flags |= BNA_TXQ_WI_CF_INS_PRIO;
+ if (vlan_tag & VLAN_VID_MASK)
+ flags |= BNA_TXQ_WI_CF_INS_VLAN;
+ txqent->hdr.wi.vlan_tag = htons(vlan_tag);
+ } else
+ txqent->hdr.wi.vlan_tag = 0;
+
+ if (skb_is_gso(skb)) {
+ err = bnad_tso_prepare(bnad, skb);
+ if (err) {
+ dev_kfree_skb(skb);
+ return NETDEV_TX_OK;
+ }
+ txqent->hdr.wi.lso_mss = htons(skb_is_gso(skb));
+ flags |= (BNA_TXQ_WI_CF_IP_CKSUM | BNA_TXQ_WI_CF_TCP_CKSUM);
+ txqent->hdr.wi.l4_hdr_size_n_offset =
+ htons(BNA_TXQ_WI_L4_HDR_N_OFFSET
+ (tcp_hdrlen(skb) >> 2,
+ skb_transport_offset(skb)));
+#ifdef DEBUG_TX
+ if (skb->len > txqinfo->max_tso)
+ txqinfo->max_tso = skb->len;
+#endif
+ } else if (skb->ip_summed == CHECKSUM_PARTIAL) {
+ u8 proto = 0;
+
+ txqent->hdr.wi.lso_mss = 0;
+
+ if (skb->protocol == htons(ETH_P_IP))
+ proto = ip_hdr(skb)->protocol;
+#ifdef NETIF_F_IPV6_CSUM
+ else if (skb->protocol == htons(ETH_P_IPV6)) {
+ /* XXX the nexthdr may not be TCP immediately. */
+ proto = ipv6_hdr(skb)->nexthdr;
+ }
+#endif
+ if (proto == IPPROTO_TCP) {
+ flags |= BNA_TXQ_WI_CF_TCP_CKSUM;
+ txqent->hdr.wi.l4_hdr_size_n_offset =
+ htons(BNA_TXQ_WI_L4_HDR_N_OFFSET
+ (0, skb_transport_offset(skb)));
+ bnad->stats.tcpcsum_offload++;
+ BNA_ASSERT(skb_headlen(skb) >=
+ skb_transport_offset(skb) + tcp_hdrlen(skb));
+ } else if (proto == IPPROTO_UDP) {
+ flags |= BNA_TXQ_WI_CF_UDP_CKSUM;
+ txqent->hdr.wi.l4_hdr_size_n_offset =
+ htons(BNA_TXQ_WI_L4_HDR_N_OFFSET
+ (0, skb_transport_offset(skb)));
+ bnad->stats.udpcsum_offload++;
+ BNA_ASSERT(skb_headlen(skb) >=
+ skb_transport_offset(skb) +
+ sizeof(struct udphdr));
+ } else {
+ err = skb_checksum_help(skb);
+ bnad->stats.csum_help++;
+ if (err) {
+ dev_kfree_skb(skb);
+ bnad->stats.csum_help_err++;
+ return NETDEV_TX_OK;
+ }
+ }
+ } else {
+ txqent->hdr.wi.lso_mss = 0;
+ txqent->hdr.wi.l4_hdr_size_n_offset = 0;
+ }
+
+ txqent->hdr.wi.flags = htons(flags);
+
+ txqent->hdr.wi.frame_length = htonl(skb->len);
+
+ unmap_q->unmap_array[unmap_prod].skb = skb;
+ BNA_ASSERT(skb_headlen(skb) <= BNAD_TX_MAX_DATA_PER_VECTOR);
+ txqent->vector[vect_id].length = htons(skb_headlen(skb));
+#if defined(__VMKERNEL_MODULE__) && !defined(__x86_64__)
+ dma_addr = skb->headMA;
+#else
+ dma_addr = pci_map_single(bnad->pcidev, skb->data, skb_headlen(skb),
+ PCI_DMA_TODEVICE);
+#endif
+ pci_unmap_addr_set(&unmap_q->unmap_array[unmap_prod], dma_addr,
+ dma_addr);
+#if 0
+ BNA_LOG_DEBUG(("%s bnad_start_xmit dma addr 0x%x\n",
+ bnad->netdev->name, dma_addr));
+#endif
+ BNA_SET_DMA_ADDR(dma_addr, &txqent->vector[vect_id].host_addr);
+ BNA_QE_INDX_ADD(unmap_prod, 1, unmap_q->q_depth);
+
+ for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
+ struct skb_frag_struct *frag = &skb_shinfo(skb)->frags[i];
+
+ if (++vect_id == BNAD_TX_MAX_VECTORS_PER_WI) {
+ vect_id = 0;
+ if (--wi_range)
+ txqent++;
+ else {
+ BNA_QE_INDX_ADD(txq_prod, wis_used,
+ txq->q.q_depth);
+ wis_used = 0;
+ BNA_TXQ_QPGE_PTR_GET(txq_prod, &txq->q, txqent,
+ wi_range);
+ BNA_ASSERT(wi_range
+ && wi_range <= txq->q.q_depth);
+ }
+ wis_used++;
+ txqent->hdr.wi_ext.opcode = htons(BNA_TXQ_WI_EXTENSION);
+ }
+
+ BNA_ASSERT(frag->size <= BNAD_TX_MAX_DATA_PER_VECTOR);
+ txqent->vector[vect_id].length = htons(frag->size);
+ BNA_ASSERT(unmap_q->unmap_array[unmap_prod].skb == NULL);
+ dma_addr = pci_map_page(bnad->pcidev, frag->page,
+ frag->page_offset, frag->size,
+ PCI_DMA_TODEVICE);
+ pci_unmap_addr_set(&unmap_q->unmap_array[unmap_prod], dma_addr,
+ dma_addr);
+ BNA_SET_DMA_ADDR(dma_addr, &txqent->vector[vect_id].host_addr);
+ BNA_QE_INDX_ADD(unmap_prod, 1, unmap_q->q_depth);
+ }
+
+ unmap_q->producer_index = unmap_prod;
+ BNA_QE_INDX_ADD(txq_prod, wis_used, txq->q.q_depth);
+ txq->q.producer_index = txq_prod;
+
+#ifdef DEBUG_TX
+ BNA_TRACE_DEBUG(bnad, wis_used, ("bnad_start_xmit %d WIs\n", wis_used));
+ BNA_TRACE_DEBUG(bnad, txq->q.producer_index,
+ ("%s TxQ producer index %d\n",
+ bnad->netdev->name, txq->q.producer_index));
+#endif
+
+#ifdef DEBUG_TX
+ if (vectors < 32)
+ txqinfo->tx_vectors[vectors]++;
+#endif
+ smp_mb();
+ bna_txq_prod_indx_doorbell(txq);
+ netdev->trans_start = jiffies;
+
+#ifdef DEBUG_TX
+ BNA_TRACE_DEBUG(bnad, *txqinfo->hw_consumer_index,
+ ("%s bnad_start_xmit TxQ HW consumer index %u\n",
+ bnad->netdev->name, *txqinfo->hw_consumer_index));
+#endif
+ if ((u16) (*txqinfo->hw_consumer_index) !=
+ txq->q.consumer_index &&
+ !test_and_set_bit(BNAD_TXQ_FREE_SENT, &txqinfo->flags)) {
+ acked = bnad_free_txbufs(txqinfo,
+ (u16) (*txqinfo->hw_consumer_index));
+ bna_ib_ack(bnad->priv, &txqinfo->ib, acked);
+#ifdef DEBUG_TX
+ BNA_TRACE_DEBUG(bnad, acked, ("%s ack TxQ IB %u packets\n",
+ netdev->name, acked));
+#endif
+ smp_mb__before_clear_bit();
+ clear_bit(BNAD_TXQ_FREE_SENT, &txqinfo->flags);
+ }
+
+ return NETDEV_TX_OK;
+}
+
+struct net_device_stats *
+bnad_get_stats(struct net_device *netdev)
+{
+ struct bnad *bnad = netdev_priv(netdev);
+ struct net_device_stats *net_stats = &bnad->net_stats;
+ struct cna_stats_mac_rx *rxstats = &bnad->hw_stats->mac_rx_stats;
+ struct cna_stats_mac_tx *txstats = &bnad->hw_stats->mac_tx_stats;
+ int i;
+
+ memset(net_stats, 0, sizeof(*net_stats));
+ if (bnad->rxq_table) {
+ for (i = 0; i < bnad->rxq_num; i++) {
+ net_stats->rx_packets += bnad->rxq_table[i].rx_packets;
+ net_stats->rx_bytes += bnad->rxq_table[i].rx_bytes;
+ }
+ }
+ if (bnad->txq_table) {
+ for (i = 0; i < bnad->txq_num; i++) {
+ net_stats->tx_packets += bnad->txq_table[i].tx_packets;
+ net_stats->tx_bytes += bnad->txq_table[i].tx_bytes;
+ }
+ }
+ net_stats->rx_errors = rxstats->rx_fcs_error +
+ rxstats->rx_alignment_error + rxstats->rx_frame_length_error +
+ rxstats->rx_code_error + rxstats->rx_undersize;
+ net_stats->tx_errors = txstats->tx_fcs_error + txstats->tx_undersize;
+#if 0
+ net_stats->rx_errors += rxstats->rx_oversize;
+ net_stats->tx_errors += txstats->tx_oversize;
+#endif
+ net_stats->rx_dropped = rxstats->rx_drop;
+ net_stats->tx_dropped = txstats->tx_drop;
+ net_stats->multicast = rxstats->rx_multicast;
+ net_stats->collisions = txstats->tx_total_collision;
+
+ net_stats->rx_length_errors = rxstats->rx_frame_length_error;
+#ifdef notyet
+ /* receive ring buffer overflow */
+ net_stats->rx_over_errors =
+#endif
+ net_stats->rx_crc_errors = rxstats->rx_fcs_error;
+ net_stats->rx_frame_errors = rxstats->rx_alignment_error;
+ /* recv'r fifo overrun */
+ net_stats->rx_fifo_errors = bnad->hw_stats->rxf_stats[0].frame_drops;
+
+ return net_stats;
+}
+
+void
+bnad_reset_stats(struct net_device *netdev)
+{
+ struct bnad *bnad = netdev_priv(netdev);
+ struct bnad_rxq_info *rxqinfo;
+ struct bnad_txq_info *txqinfo;
+ int i;
+#if defined(DEBUG_RX) || defined (DEBUG_TX)
+ int j;
+#endif
+ memset(&bnad->stats, 0, sizeof(bnad->stats));
+
+ if (bnad->rxq_table) {
+ for (i = 0; i < bnad->rxq_num; i++) {
+ rxqinfo = &bnad->rxq_table[i];
+ rxqinfo->rx_packets = 0;
+ rxqinfo->rx_bytes = 0;
+ rxqinfo->rx_packets_with_error = 0;
+ rxqinfo->rxbuf_alloc_failed = 0;
+#ifdef DEBUG_RX
+ for (j = 0; j < BNAD_MAX_RXQSETS_USED; j++) {
+ rxqinfo->rx_packets_cpu[j] = 0;
+ rxqinfo->rx_bytes_cpu[j] = 0;
+ }
+#endif
+ }
+ }
+ if (bnad->txq_table) {
+ for (i = 0; i < bnad->txq_num; i++) {
+ txqinfo = &bnad->txq_table[i];
+ txqinfo->tx_packets = 0;
+ txqinfo->tx_bytes = 0;
+#ifdef DEBUG_TX
+ txqinfo->max_tso = 0;
+ for (j = 0; j < 32; j++)
+ txqinfo->tx_vectors[j] = 0;
+#endif
+ }
+ }
+}
+
+static void
+bnad_set_rx_mode_locked(struct net_device *netdev)
+{
+ struct bnad *bnad = netdev_priv(netdev);
+ int err;
+ unsigned long irq_flags;
+
+ if (BNAD_NOT_READY(bnad))
+ return;
+
+ spin_lock_irqsave(&bnad->priv_lock, irq_flags);
+ if (netdev->flags & IFF_PROMISC) {
+ if (!(bnad->flags & BNAD_F_PROMISC)) {
+#if defined(__VMKERNEL_MODULE__) && defined(__VMKNETDDI_QUEUEOPS__)
+ bna_rxf_default_mode(bnad->priv, BNAD_RX_FUNC_ID,
+ BNA_ENABLE);
+#else
+ bna_rxf_promiscuous(bnad->priv, BNAD_RX_FUNC_ID,
+ BNA_ENABLE);
+#endif
+ bnad->flags |= BNAD_F_PROMISC;
+ }
+ } else {
+ if (bnad->flags & BNAD_F_PROMISC) {
+#if defined(__VMKERNEL_MODULE__) && defined(__VMKNETDDI_QUEUEOPS__)
+ bna_rxf_default_mode(bnad->priv, BNAD_RX_FUNC_ID,
+ BNA_DISABLE);
+#else
+ bna_rxf_promiscuous(bnad->priv, BNAD_RX_FUNC_ID,
+ BNA_DISABLE);
+#endif
+ bnad->flags &= ~BNAD_F_PROMISC;
+ }
+ }
+
+ if (netdev->flags & IFF_ALLMULTI) {
+ if (!(bnad->flags & BNAD_F_ALLMULTI)) {
+ bna_rxf_mcast_filter(bnad->priv, BNAD_RX_FUNC_ID,
+ BNA_DISABLE);
+ bnad->flags |= BNAD_F_ALLMULTI;
+ }
+ } else {
+ if (bnad->flags & BNAD_F_ALLMULTI) {
+ bna_rxf_mcast_filter(bnad->priv, BNAD_RX_FUNC_ID,
+ BNA_ENABLE);
+ bnad->flags &= ~BNAD_F_ALLMULTI;
+ }
+ }
+ spin_unlock_irqrestore(&bnad->priv_lock, irq_flags);
+
+#ifdef HAVE_SET_RX_MODE
+ if (netdev->uc_count) {
+ }
+#endif
+ if (netdev->mc_count) {
+ bna_mac_t *mcaddr_list;
+ bna_mac_t bcast_addr = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
+ struct dev_mc_list *mc;
+ int i;
+
+ mcaddr_list = kzalloc((netdev->mc_count + 1) *
+ sizeof(bna_mac_t), GFP_ATOMIC);
+ if (!mcaddr_list)
+ return;
+ memcpy(&mcaddr_list[0], bcast_addr, sizeof(bna_mac_t));
+
+ mc = netdev->mc_list;
+ for (i = 1; mc && i < netdev->mc_count + 1; i++, mc = mc->next)
+ memcpy(&mcaddr_list[i], mc->dmi_addr,
+ sizeof(bna_mac_t));
+
+ spin_lock_irqsave(&bnad->priv_lock, irq_flags);
+ err = bna_rxf_mcast_mac_set_list(bnad->priv, BNAD_RX_FUNC_ID,
+ (const bna_mac_t *)
+ mcaddr_list,
+ netdev->mc_count + 1);
+ spin_unlock_irqrestore(&bnad->priv_lock, irq_flags);
+
+ if (err) {
+ /* XXX Should we enable BNAD_F_ALLMULTI ? */
+ }
+ kfree(mcaddr_list);
+ }
+}
+
+static void
+bnad_set_rx_mode(struct net_device *netdev)
+{
+#if defined (__VMKERNEL_MODULE__) || defined(BNAD_OWN_LOCK)
+ struct bnad *bnad = netdev_priv(netdev);
+#endif
+ bnad_lock();
+ bnad_set_rx_mode_locked(netdev);
+ bnad_unlock();
+}
+
+int
+bnad_ucast_mac(struct bnad *bnad, unsigned int rxf_id,
+ u8 * mac_ptr, unsigned int cmd)
+{
+ int err = 0;
+ enum bna_status_e (*ucast_mac_func) (struct bna_dev_s *bna_dev,
+ unsigned int rxf_id,
+ const bna_mac_t *mac_addr_ptr) =
+ NULL;
+
+ WARN_ON(in_interrupt());
+ if (!is_valid_ether_addr(mac_ptr))
+ return -EINVAL;
+
+ switch (cmd) {
+ case BNAD_UCAST_MAC_SET:
+ ucast_mac_func = bna_rxf_ucast_mac_set;
+ break;
+ case BNAD_UCAST_MAC_ADD:
+ ucast_mac_func = bna_rxf_ucast_mac_add;
+ break;
+ case BNAD_UCAST_MAC_DEL:
+ ucast_mac_func = bna_rxf_ucast_mac_del;
+ break;
+ }
+
+ while (test_and_set_bit(BNAD_SET_UCAST, &bnad->state))
+ msleep(1);
+#ifndef __VMKERNEL_MODULE__
+ init_completion(&bnad->ucast_comp);
+#endif
+ spin_lock_irq(&bnad->priv_lock);
+ err = ucast_mac_func(bnad->priv, rxf_id, (const bna_mac_t *) mac_ptr);
+ spin_unlock_irq(&bnad->priv_lock);
+#ifndef __VMKERNEL_MODULE__
+ if (err)
+ goto ucast_mac_exit;
+
+ BNA_TRACE(bnad, bnad->bna_id);
+ BNA_TRACE_INFO(bnad, cmd, ("Waiting for %s MAC operation %d reply\n",
+ bnad->netdev->name, cmd));
+ wait_for_completion(&bnad->ucast_comp);
+ err = bnad->ucast_comp_status;
+#endif
+ucast_mac_exit:
+ smp_mb__before_clear_bit();
+ clear_bit(BNAD_SET_UCAST, &bnad->state);
+ if (err) {
+ BNA_TRACE(bnad, err);
+ printk(KERN_INFO
+ "%s unicast MAC address command %d failed: %d\n",
+ bnad->netdev->name, cmd, err);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int
+bnad_set_mac_address_locked(struct net_device *netdev, void *addr)
+{
+ struct bnad *bnad = netdev_priv(netdev);
+ struct sockaddr *sa = (struct sockaddr *) addr;
+ int err;
+
+ if (!is_valid_ether_addr(sa->sa_data))
+ return -EADDRNOTAVAIL;
+
+ if (!BNAD_NOT_READY(bnad)) {
+ err = bnad_ucast_mac(bnad, BNAD_RX_FUNC_ID, (u8 *) sa->sa_data,
+ BNAD_UCAST_MAC_SET);
+ if (err)
+ return err;
+ }
+
+ memcpy(netdev->dev_addr, sa->sa_data, netdev->addr_len);
+ return 0;
+}
+
+static int
+bnad_set_mac_address(struct net_device *netdev, void *addr)
+{
+ int err = 0;
+#if defined (__VMKERNEL_MODULE__) || defined(BNAD_OWN_LOCK)
+ struct bnad *bnad = netdev_priv(netdev);
+#endif
+
+ bnad_lock();
+ err = bnad_set_mac_address_locked(netdev, addr);
+ bnad_unlock();
+ return err;
+
+}
+
+static int
+bnad_change_mtu(struct net_device *netdev, int new_mtu)
+{
+ int err = 0;
+ struct bnad *bnad = netdev_priv(netdev);
+
+ WARN_ON(in_interrupt());
+
+ BNA_TRACE(bnad, new_mtu);
+ if (new_mtu + ETH_HLEN < ETH_ZLEN || new_mtu > BNAD_JUMBO_MTU)
+ return -EINVAL;
+
+ bnad_lock();
+
+ netdev->mtu = new_mtu;
+
+ err = bnad_sw_reset(netdev);
+
+ bnad_unlock();
+
+ return err;
+}
+
+static int
+bnad_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd)
+{
+ return -EOPNOTSUPP;
+}
+
+static void
+bnad_vlan_rx_register(struct net_device *netdev, struct vlan_group *grp)
+{
+ struct bnad *bnad = netdev_priv(netdev);
+
+ bnad_lock();
+ bnad->vlangrp = grp;
+ bnad_unlock();
+}
+
+static void
+bnad_vlan_rx_add_vid(struct net_device *netdev, unsigned short vid)
+{
+ struct bnad *bnad = netdev_priv(netdev);
+ unsigned long irq_flags;
+
+ BNA_TRACE_INFO(bnad, vid, ("%s add vlan %u\n", netdev->name, vid));
+ bnad_lock();
+ if (BNAD_NOT_READY(bnad)) {
+ bnad_unlock();
+ return;
+ }
+ spin_lock_irqsave(&bnad->priv_lock, irq_flags);
+ bna_rxf_vlan_add(bnad->priv, BNAD_RX_FUNC_ID, (unsigned int) vid);
+ spin_unlock_irqrestore(&bnad->priv_lock, irq_flags);
+ bnad_unlock();
+}
+
+static void
+bnad_vlan_rx_kill_vid(struct net_device *netdev, unsigned short vid)
+{
+ struct bnad *bnad = netdev_priv(netdev);
+ unsigned long irq_flags;
+
+ BNA_TRACE_INFO(bnad, vid, ("%s remove vlan %u\n", netdev->name, vid));
+ bnad_lock();
+ if (BNAD_NOT_READY(bnad)) {
+ bnad_unlock();
+ return;
+ }
+ spin_lock_irqsave(&bnad->priv_lock, irq_flags);
+ bna_rxf_vlan_del(bnad->priv, BNAD_RX_FUNC_ID, (unsigned int) vid);
+ spin_unlock_irqrestore(&bnad->priv_lock, irq_flags);
+ bnad_unlock();
+}
+
+static void
+bnad_reconfig_vlans(struct bnad *bnad)
+{
+ u16 vlan_id;
+
+ spin_lock_irq(&bnad->priv_lock);
+ bna_rxf_vlan_del_all(bnad->priv, BNAD_RX_FUNC_ID);
+ if (bnad->vlangrp) {
+ for (vlan_id = 0; vlan_id < VLAN_GROUP_ARRAY_LEN; vlan_id++) {
+ if (vlan_group_get_device(bnad->vlangrp, vlan_id))
+ bna_rxf_vlan_add(bnad->priv, BNAD_RX_FUNC_ID,
+ (unsigned int) vlan_id);
+ }
+ }
+ spin_unlock_irq(&bnad->priv_lock);
+}
+
+#ifdef CONFIG_NET_POLL_CONTROLLER
+static void
+bnad_netpoll(struct net_device *netdev)
+{
+ struct bnad *bnad = netdev_priv(netdev);
+
+ /* XXX Changed to BNA_TRACE_DEBUG later. */
+ BNA_TRACE_INFO(bnad, bnad->bna_id, ("%s bnad_netpoll\n", netdev->name));
+ disable_irq(bnad->pcidev->irq);
+ bnad_isr(bnad->pcidev->irq, netdev);
+ enable_irq(bnad->pcidev->irq);
+}
+#endif
+
+static void
+bnad_q_num_init(struct bnad *bnad, uint rxqsets)
+{
+ bnad->txq_num = BNAD_TXQ_NUM;
+ bnad->txf_num = 1;
+
+ if (bnad->flags & BNAD_F_MSIX) {
+#if defined(BNAD_NAPI) && !defined(BNAD_NEW_NAPI)
+ bnad->cq_num = 1;
+ bnad->rxq_num = bnad->cq_num * bnad_rxqs_per_cq;
+ bnad->rxf_num = 1;
+ bnad->msix_num =
+ bnad->txq_num + bnad->cq_num +
+ BNAD_MSIX_ERR_MAILBOX_NUM;
+#else /* !BNAD_NAPI || BNAD_NEW_NAPI */
+ if (rxqsets) {
+ bnad->cq_num = rxqsets;
+ if (bnad->cq_num > BNAD_MAX_CQS)
+ bnad->cq_num = BNAD_MAX_CQS;
+ } else
+ bnad->cq_num = min((uint) num_online_cpus(),
+ (uint) BNAD_MAX_RXQSETS_USED);
+#if !defined(__VMKERNEL_MODULE__) || !defined(__VMKNETDDI_QUEUEOPS__)
+ /* VMware does not use RSS like Linux driver */
+ if (!BNA_POWER_OF_2(bnad->cq_num))
+ BNA_TO_POWER_OF_2(bnad->cq_num);
+#endif
+ bnad->rxq_num = bnad->cq_num * bnad_rxqs_per_cq;
+
+#if defined(__VMKERNEL_MODULE__) && defined(__VMKNETDDI_QUEUEOPS__)
+ bnad_vmw_max_netqs = bnad->cq_num - BNAD_FIRST_NETQ_ID;
+ if (bnad_vmw_max_netqs) {
+ bnad_vmw_max_netq_filters =
+ (BNA_RXF_ID_MAX -
+ BNAD_FIRST_NETQ_RXF) / bnad_vmw_max_netqs;
+ } else {
+ bnad_vmw_max_netq_filters = 0;
+ }
+ bnad->rxf_num = BNAD_FIRST_NETQ_RXF + bnad_vmw_max_netqs *
+ bnad_vmw_max_netq_filters;
+#else
+ bnad->rxf_num = 1;
+#endif
+ bnad->msix_num =
+ bnad->txq_num + bnad->cq_num +
+ BNAD_MSIX_ERR_MAILBOX_NUM;
+#endif /* !BNAD_NAPI || BNAD_NEW_NAPI */
+ } else {
+ bnad->cq_num = 1;
+ bnad->rxq_num = bnad->cq_num * bnad_rxqs_per_cq;
+ bnad->rxf_num = 1;
+ bnad->msix_num = 0;
+ }
+#if defined(__VMKERNEL_MODULE__) && defined(__VMKNETDDI_QUEUEOPS__)
+ bnad->cq_active = 1;
+ if (bnad_small_large_rxbufs)
+ bnad->rxq_active = 3;
+ else
+ bnad->rxq_active = 1;
+ bnad->rxf_active = 1;
+#endif
+}
+
+static void
+bnad_enable_msix(struct bnad *bnad)
+{
+ int i, ret;
+
+ if (!(bnad->flags & BNAD_F_MSIX) || bnad->msix_table)
+ return;
+
+ bnad->msix_table =
+ kzalloc(bnad->msix_num * sizeof(struct msix_entry), GFP_KERNEL);
+ if (!bnad->msix_table)
+ goto intx_mode;
+
+ for (i = 0; i < bnad->msix_num; i++)
+ bnad->msix_table[i].entry = i;
+
+ ret = pci_enable_msix(bnad->pcidev, bnad->msix_table, bnad->msix_num);
+#ifndef __VMKERNEL_MODULE__
+ if (ret > 0) {
+ /* Not enough MSI-X vectors. */
+ int rxqsets = ret;
+
+ dev_err(&bnad->pcidev->dev,
+ "Tried to get %d MSI-X vectors, only got %d\n",
+ bnad->msix_num, ret);
+ BNA_TO_POWER_OF_2(rxqsets);
+ while (bnad->msix_num > ret && rxqsets) {
+ bnad_q_num_init(bnad, rxqsets);
+ rxqsets >>= 1;
+ }
+ if (bnad->msix_num <= ret) {
+ ret = pci_enable_msix(bnad->pcidev, bnad->msix_table,
+ bnad->msix_num);
+ if (ret) {
+ BNA_TRACE(bnad, ret);
+ dev_err(&bnad->pcidev->dev,
+ "Enabling MSI-X failed: %d\n", ret);
+ goto intx_mode;
+ }
+ } else {
+ BNA_TRACE(bnad, ret);
+ dev_err(&bnad->pcidev->dev,
+ "Enabling MSI-X failed: limited (%d) vectors\n",
+ ret);
+ goto intx_mode;
+ }
+ } else if (ret < 0) {
+#else
+ if (ret != 0) {
+#endif
+ BNA_TRACE(bnad, ret);
+ dev_err(&bnad->pcidev->dev, "Enabling MSI-X failed: %d\n", ret);
+ goto intx_mode;
+ }
+
+ dev_info(&bnad->pcidev->dev,
+ "Enabling MSI-X succeeded with %d vectors, %s\n",
+ bnad->msix_num,
+ (bnad->cq_num > 1) ? "RSS is enabled" : "RSS is not enabled");
+ return;
+
+ intx_mode:
+ BNA_TRACE(bnad, bnad->bna_id);
+ dev_warn(&bnad->pcidev->dev, "Switching to INTx mode with no RSS\n");
+ if (bnad->msix_table) {
+ kfree(bnad->msix_table);
+ bnad->msix_table = NULL;
+ }
+ bnad->flags &= ~BNAD_F_MSIX;
+ bnad_q_num_init(bnad, 0);
+}
+
+static void
+bnad_disable_msix(struct bnad *bnad)
+{
+ if ((bnad->flags & BNAD_F_MSIX) && bnad->msix_table) {
+ pci_disable_msix(bnad->pcidev);
+ kfree(bnad->msix_table);
+ bnad->msix_table = NULL;
+ bnad->flags &= ~BNAD_F_MSIX;
+ }
+}
+
+static void
+bnad_error(struct bnad *bnad)
+{
+ BNA_TRACE_INFO(bnad, bnad->bna_id,
+ ("%s bnad_error\n", bnad->netdev->name));
+
+ rtnl_lock();
+ set_bit(BNAD_RESETTING, &bnad->state);
+ if (!test_and_set_bit(BNAD_DISABLED, &bnad->state)) {
+ bnad_detach(bnad);
+ bnad_cleanup(bnad);
+ BNA_TRACE_WARN(bnad, bnad->bna_id,
+ ("%s is disabled upon error\n",
+ bnad->netdev->name));
+ }
+ rtnl_unlock();
+}
+
+static void
+bnad_resume_after_reset(struct bnad *bnad)
+{
+ int err;
+ struct net_device *netdev = bnad->netdev;
+
+ BNA_TRACE_WARN(bnad, bnad->bna_id,
+ ("port %d resumes after reset\n", bnad->bna_id));
+
+ rtnl_lock();
+ clear_bit(BNAD_RESETTING, &bnad->state);
+
+ bna_port_mac_get(bnad->priv, (bna_mac_t *) bnad->perm_addr);
+ BNA_ASSERT(netdev->addr_len == sizeof(bnad->perm_addr));
+#ifdef ETHTOOL_GPERMADDR
+ memcpy(netdev->perm_addr, bnad->perm_addr, netdev->addr_len);
+#endif
+ if (is_zero_ether_addr(netdev->dev_addr))
+ memcpy(netdev->dev_addr, bnad->perm_addr, netdev->addr_len);
+
+ if (netif_running(bnad->netdev)) {
+ err = bnad_open_locked(bnad->netdev);
+ if (err) {
+ BNA_TRACE_ERROR(bnad, err,
+ ("%s bnad_open failed after reset: %d\n",
+ bnad->netdev->name, err));
+ }
+ }
+ rtnl_unlock();
+}
+
+static void
+bnad_work(struct work_struct *work)
+{
+ struct bnad *bnad = container_of(work, struct bnad, work);
+ unsigned long work_flags;
+
+ BNA_TRACE_INFO(bnad, bnad->bna_id, ("port %u bnad_work flags 0x%x\n",
+ bnad->bna_id, bnad->work_flags));
+
+ spin_lock_irq(&bnad->priv_lock);
+ work_flags = bnad->work_flags;
+ bnad->work_flags = 0;
+ spin_unlock_irq(&bnad->priv_lock);
+
+ if (work_flags & BNAD_WF_ERROR) {
+ BNA_TRACE_INFO(bnad, work_flags,
+ ("port %u bnad_work: BNAD_WF_ERROR\n",
+ bnad->bna_id));
+ bnad_error(bnad);
+ }
+
+ if (work_flags & BNAD_WF_RESETDONE) {
+ BNA_TRACE_INFO(bnad, work_flags,
+ ("port %u bnad_work: BNAD_WF_RESETDONE\n",
+ bnad->bna_id));
+ bnad_resume_after_reset(bnad);
+ }
+}
+
+static void
+bnad_stats_timeo(unsigned long data)
+{
+ struct bnad *bnad = (struct bnad *) data;
+ int i;
+ struct bnad_rxq_info *rxqinfo;
+
+ spin_lock_irq(&bnad->priv_lock);
+ bna_stats_get(bnad->priv);
+ spin_unlock_irq(&bnad->priv_lock);
+
+#ifdef BNA_DYN_INTR_MOD
+ if (!test_bit(BNAD_DIAG_LB_MODE, &bnad->state)
+ && bnad->rx_dyn_coalesce_on) {
+ u8 cls_timer;
+ struct bnad_cq_info *cq;
+ for (i = 0; i < bnad->cq_num; i++) {
+ cq = &bnad->cq_table[i];
+
+ if ((cq->pkt_rate.small_pkt_cnt == 0)
+ && (cq->pkt_rate.large_pkt_cnt == 0))
+ continue;
+
+ cls_timer =
+ bna_calc_coalescing_timer(bnad->priv,
+ &cq->pkt_rate);
+
+ /*For NAPI version, coalescing timer need to stored */
+ cq->rx_coalescing_timeo = cls_timer;
+
+ bna_ib_coalescing_timer_set(bnad->priv, &cq->ib,
+ cls_timer);
+ BNA_TRACE(bnad, cls_timer);
+ BNA_TRACE(bnad, i);
+ }
+ }
+#endif
+
+ for (i = 0; i < bnad->rxq_num; i++) {
+#if defined(__VMKERNEL_MODULE__) && defined(__VMKNETDDI_QUEUEOPS__)
+ if (!test_bit(i, &bnad->rxq_active))
+ continue;
+#endif
+ rxqinfo = &bnad->rxq_table[i];
+ if (!(BNA_QE_IN_USE_CNT(&rxqinfo->skb_unmap_q,
+ rxqinfo->skb_unmap_q.q_depth) >>
+ BNAD_RXQ_REFILL_THRESHOLD_SHIFT)) {
+ BNA_TRACE_INFO(bnad, i,
+ ("%s: RxQ %d more buffers to allocate\n",
+ bnad->netdev->name, i));
+ if (test_and_set_bit(BNAD_RXQ_REFILL, &rxqinfo->flags))
+ continue;
+ bnad_alloc_rxbufs(rxqinfo);
+ smp_mb__before_clear_bit();
+ clear_bit(BNAD_RXQ_REFILL, &rxqinfo->flags);
+ }
+ }
+}
+
+static void
+bnad_log_printf(struct bfa_log_mod_s *log_mod, u32 msg_id, const char *fmt, ...)
+{
+ va_list ap;
+ char buf[128];
+
+ va_start(ap, fmt);
+ vsnprintf(buf, sizeof(buf), fmt, ap);
+ va_end(ap);
+
+ printk(buf);
+}
+
+static void
+bnad_free_ioc_mem(struct bnad *bnad)
+{
+ enum bna_dma_mem_type i;
+
+ for (i = 0; i < BNA_MEM_T_MAX; i++) {
+ if (!bnad->ioc_meminfo[i].len)
+ continue;
+ if (bnad->ioc_meminfo[i].kva && bnad->ioc_meminfo[i].dma)
+ pci_free_consistent(bnad->pcidev,
+ bnad->ioc_meminfo[i].len,
+ bnad->ioc_meminfo[i].kva,
+ *(dma_addr_t *) &bnad->
+ ioc_meminfo[i].dma);
+ else if (bnad->ioc_meminfo[i].kva)
+ vfree(bnad->ioc_meminfo[i].kva);
+ bnad->ioc_meminfo[i].kva = NULL;
+ }
+}
+
+/* The following IOC callback functions are called with priv_lock held. */
+
+void
+bna_iocll_enable_cbfn(void *arg, enum bfa_status status)
+{
+ struct bnad *bnad = arg;
+
+ BNA_TRACE_WARN(bnad, bnad->bna_id,
+ ("port %u IOC enable callback, status %d\n",
+ bnad->bna_id, status));
+ BNA_TRACE(bnad, status);
+
+ bnad->ioc_comp_status = status;
+ complete(&bnad->ioc_comp);
+
+ if (!status) {
+ bnad->work_flags |= BNAD_WF_RESETDONE;
+ if (!test_bit(BNAD_REMOVED, &bnad->state))
+ schedule_work(&bnad->work);
+ }
+}
+
+void
+bna_iocll_disable_cbfn(void *arg)
+{
+ struct bnad *bnad = arg;
+
+ BNA_TRACE_WARN(bnad, bnad->bna_id,
+ ("port %u IOC disable callback\n", bnad->bna_id));
+ complete(&bnad->ioc_comp);
+}
+
+void
+bna_iocll_hbfail_cbfn(void *arg)
+{
+ struct bnad *bnad = arg;
+
+ BNA_TRACE_ERROR(bnad, bnad->bna_id,
+ ("port %u IOC HBFail callback\n", bnad->bna_id));
+ bnad_hw_error(bnad, BFA_STATUS_IOC_FAILURE);
+}
+
+void
+bna_iocll_reset_cbfn(void *arg)
+{
+ struct bnad *bnad = arg;
+ u32 int_status, int_mask;
+ unsigned int irq;
+
+ BNA_TRACE_WARN(bnad, bnad->bna_id,
+ ("port %u IOC reset callback\n", bnad->bna_id));
+
+ /* Clear the status */
+ bna_intr_status_get(bnad->priv, &int_status);
+
+ if (bnad->flags & BNAD_F_MSIX) {
+ if (test_and_clear_bit(BNAD_MBOX_IRQ_DISABLED, &bnad->state)) {
+ irq = bnad->msix_table[bnad->txq_num +
+ bnad->cq_num].vector;
+ BNA_TRACE_WARN(bnad, bnad->bna_id,
+ ("Enabling Mbox IRQ %d for port %d\n",
+ irq, bnad->bna_id));
+ enable_irq(irq);
+ }
+ }
+
+ int_mask = ~(__LPU2HOST_MBOX_MASK_BITS | __ERROR_MASK_BITS);
+ bna_intx_enable(bnad->priv, int_mask);
+}
+
+static void
+bnad_ioc_timeout(unsigned long data)
+{
+ struct bnad *bnad = (struct bnad *) data;
+
+ spin_lock_irq(&bnad->priv_lock);
+ bna_iocll_timer(bnad->priv);
+ spin_unlock_irq(&bnad->priv_lock);
+
+ if (!test_bit(BNAD_REMOVED, &bnad->state))
+ mod_timer(&bnad->ioc_timer,
+ jiffies + HZ * BNA_IOC_TIMER_FREQ / 1000);
+}
+
+s32
+bnad_cee_attach(struct bnad *bnad)
+{
+ u8 *dma_kva;
+ dma_addr_t dma_pa;
+ struct bfa_cee_s *cee = &bnad->cee;
+
+ memset(cee, 0, sizeof(struct bfa_cee_s));
+
+ /*Allocate memory for dma */
+ dma_kva =
+ pci_alloc_consistent(bnad->pcidev, bfa_cee_meminfo(), &dma_pa);
+ if (dma_kva == NULL)
+ return -ENOMEM;
+
+ /*Ugly... need to remove once CAL is fixed. */
+ ((struct bna_dev_s *) bnad->priv)->cee = cee;
+
+ bnad->cee_cbfn.get_attr_cbfn = bnad_cee_get_attr_cb;
+ bnad->cee_cbfn.get_stats_cbfn = bnad_cee_get_stats_cb;
+ bnad->cee_cbfn.reset_stats_cbfn = bnad_cee_reset_stats_cb;
+ bnad->cee_cbfn.reset_stats_cbfn = NULL;
+
+ /*Invoke cee attach function */
+ bfa_cee_attach(cee, &bnad->priv->ioc, bnad, bnad->trcmod, bnad->logmod);
+ bfa_cee_mem_claim(cee, dma_kva, dma_pa);
+ return 0;
+}
+
+static void
+bnad_cee_detach(struct bnad *bnad)
+{
+ struct bfa_cee_s *cee = &bnad->cee;
+ if (cee->attr_dma.kva) {
+ pci_free_consistent(bnad->pcidev, bfa_cee_meminfo(),
+ cee->attr_dma.kva, cee->attr_dma.pa);
+ }
+ bfa_cee_detach(&bnad->cee);
+}
+
+
+static int
+bnad_priv_init(struct bnad *bnad)
+{
+ dma_addr_t dma_addr;
+ struct bna_dma_addr bna_dma_addr;
+ char inst_name[16];
+ int err, i;
+ struct bfa_pcidev_s pcidev_info;
+ u32 intr_mask;
+
+ BNA_LOG_DEBUG(("port %u bnad_priv_init\n", bnad->bna_id));
+
+ if (bnad_msix)
+ bnad->flags |= BNAD_F_MSIX;
+ bnad_q_num_init(bnad, bnad_rxqsets_used);
+
+ bnad->work_flags = 0;
+ INIT_WORK(&bnad->work, bnad_work);
+
+ init_timer(&bnad->stats_timer);
+ bnad->stats_timer.function = &bnad_stats_timeo;
+ bnad->stats_timer.data = (unsigned long) bnad;
+
+ bnad->tx_coalescing_timeo = BNAD_TX_COALESCING_TIMEO;
+ bnad->tx_interpkt_count = BNAD_TX_INTERPKT_COUNT;
+
+ bnad->rx_coalescing_timeo = BNAD_RX_COALESCING_TIMEO;
+ bnad->rx_interpkt_count = BNAD_RX_INTERPKT_COUNT;
+ bnad->rx_interpkt_timeo = BNAD_RX_INTERPKT_TIMEO;
+#ifdef BNA_DYN_INTR_MOD
+ bnad->rx_dyn_coalesce_on = BNA_TRUE;
+#endif
+
+ bnad->rx_csum = 1;
+ bnad->pause_config.tx_pause = 0;
+ bnad->pause_config.rx_pause = 0;
+
+ /* XXX could be vmalloc? */
+ bnad->trcmod = kzalloc(sizeof(struct bfa_trc_mod_s), GFP_KERNEL);
+ if (!bnad->trcmod) {
+ BNA_LOG_ERROR(("port %u failed allocating trace buffer!\n",
+ bnad->bna_id));
+ return -ENOMEM;
+ }
+#if defined(__VMKERNEL_MODULE__) && defined(__VMKNETDDI_QUEUEOPS__)
+ if (bnad_alloc_netq_array(bnad)) {
+ BNA_LOG_ERROR(("Error alloc NetQ tables!\n"));
+ goto free_trcmod;
+ }
+#endif
+ bfa_trc_init(bnad->trcmod);
+ BNA_TRACE(bnad, bnad->bna_id);
+
+ bnad->logmod = &bnad->log_data;
+ sprintf(inst_name, "%u", bnad->bna_id);
+ bfa_log_init(bnad->logmod, inst_name, bnad_log_printf);
+ bfa_log_set_level_all(bnad->logmod, BFA_LOG_INFO);
+
+ bnad->aen = &bnad->aen_buf;
+ INIT_LIST_HEAD(&bnad->file_q);
+ INIT_LIST_HEAD(&bnad->file_free_q);
+ for (i = 0; i < BNAD_AEN_MAX_APPS; i++) {
+ bfa_q_qe_init(&bnad->file_buf[i].qe);
+ list_add_tail(&bnad->file_buf[i].qe, &bnad->file_free_q);
+ }
+
+ bnad->priv = kzalloc(bna_get_handle_size(), GFP_KERNEL);
+ if (!bnad->priv) {
+ BNA_TRACE_ERROR(bnad, bnad->bna_id,
+ ("port %u failed allocating memory for bna\n",
+ bnad->bna_id));
+ err = -ENOMEM;
+#if defined(__VMKERNEL_MODULE__) && defined(__VMKNETDDI_QUEUEOPS__)
+ goto free_netq;
+#else
+ goto free_trcmod;
+#endif
+ }
+ bnad->priv_stats = pci_alloc_consistent(bnad->pcidev,
+ BNA_HW_STATS_SIZE, &dma_addr);
+ if (!bnad->priv_stats) {
+ BNA_TRACE_ERROR(bnad, bnad->bna_id,
+ ("port %u failed allocating memory for bna stats\n",
+ bnad->bna_id));
+ err = -ENOMEM;
+ goto free_priv_mem;
+ }
+ pci_unmap_addr_set(bnad, priv_stats_dma, dma_addr);
+ BNA_TRACE_DEBUG(bnad, bnad->bna_id,
+ ("port %u priv_stats dma addr 0x%x\n", bnad->bna_id,
+ dma_addr));
+
+ BNA_SET_DMA_ADDR(dma_addr, &bna_dma_addr);
+ bna_init(bnad->priv, (void *) bnad->bar0, bnad->priv_stats,
+ bna_dma_addr, bnad->trcmod);
+ bna_all_stats_get(bnad->priv, &bnad->hw_stats);
+ spin_lock_init(&bnad->priv_lock);
+#if defined(__VMKERNEL_MODULE__) && defined(__VMKNETDDI_QUEUEOPS__)
+ spin_lock_init(&bnad->lock);
+#endif
+ bnad->priv_cbfn.ucast_set_cb = bnad_ucast_set_cb;
+ bnad->priv_cbfn.txq_stop_cb = bnad_q_stop_cb;
+ bnad->priv_cbfn.rxq_stop_cb = bnad_q_stop_cb;
+ bnad->priv_cbfn.link_up_cb = bnad_link_up_cb;
+ bnad->priv_cbfn.link_down_cb = bnad_link_down_cb;
+ bnad->priv_cbfn.stats_get_cb = bnad_stats_get_cb;
+ bnad->priv_cbfn.hw_error_cb = bnad_hw_error_cb;
+ bnad->priv_cbfn.lldp_get_cfg_cb = bnad_lldp_get_cfg_cb;
+ //bnad->priv_cbfn.cee_get_stats_cb = bnad_cee_get_stats_cb;
+ /* Diagnostics */
+ bnad->priv_cbfn.set_diag_lb_cb = bnad_set_diag_lb_cb;
+
+ bna_register_callback(bnad->priv, &bnad->priv_cbfn, bnad);
+
+ bna_iocll_meminfo(bnad->priv, bnad->ioc_meminfo);
+ for (i = 0; i < BNA_MEM_T_MAX; i++) {
+ if (!bnad->ioc_meminfo[i].len)
+ continue;
+ switch (i) {
+ case BNA_KVA_MEM_T_FWTRC:
+ bnad->ioc_meminfo[i].kva =
+ vmalloc(bnad->ioc_meminfo[i].len);
+ break;
+ default:
+ bnad->ioc_meminfo[i].kva =
+ pci_alloc_consistent(bnad->pcidev,
+ bnad->ioc_meminfo[i].len,
+ (dma_addr_t *) &bnad->
+ ioc_meminfo[i].dma);
+
+ break;
+ }
+ if (!bnad->ioc_meminfo[i].kva) {
+ BNA_TRACE_ERROR(bnad, bnad->ioc_meminfo[i].len,
+ ("port %u failed allocating %u bytes memory for IOC\n",
+ bnad->bna_id,
+ bnad->ioc_meminfo[i].len));
+ err = -ENOMEM;
+ goto free_ioc_mem;
+ }
+ }
+
+ pcidev_info.pci_slot = PCI_SLOT(bnad->pcidev->devfn);
+ pcidev_info.pci_func = PCI_FUNC(bnad->pcidev->devfn);
+ pcidev_info.device_id = bnad->pcidev->device;
+ pcidev_info.pci_bar_kva = bnad->bar0;
+ bna_iocll_attach(bnad->priv, bnad, bnad->ioc_meminfo,
+ &pcidev_info, bnad->trcmod, bnad->aen, bnad->logmod);
+
+ err = bnad_cee_attach(bnad);
+ if (err) {
+ BNA_TRACE_ERROR(bnad, bnad->bna_id,
+ ("port %u cee_attach failed: %d\n",
+ bnad->bna_id, err));
+ goto iocll_detach;
+ }
+
+ if (bnad->flags & BNAD_F_MSIX)
+ bnad_enable_msix(bnad);
+ else
+ dev_info(&bnad->pcidev->dev, "Working in INTx mode, no RSS\n");
+ bna_intx_disable(bnad->priv, &intr_mask);
+ err = bnad_request_mbox_irq(bnad);
+ if (err)
+ goto disable_msix;
+
+ init_completion(&bnad->ioc_comp);
+ BNA_TRACE_DEBUG(bnad, bnad->bna_id,
+ ("port %u enabling IOC ...\n", bnad->bna_id));
+ spin_lock_irq(&bnad->priv_lock);
+ bna_iocll_enable(bnad->priv);
+ spin_unlock_irq(&bnad->priv_lock);
+
+ init_timer(&bnad->ioc_timer);
+ bnad->ioc_timer.function = &bnad_ioc_timeout;
+ bnad->ioc_timer.data = (unsigned long) bnad;
+ mod_timer(&bnad->ioc_timer, jiffies + HZ * BNA_IOC_TIMER_FREQ / 1000);
+
+ BNA_TRACE_DEBUG(bnad, bnad->bna_id,
+ ("port %u waiting for IOC ready.\n", bnad->bna_id));
+ wait_for_completion(&bnad->ioc_comp);
+ if (!bnad->ioc_comp_status) {
+ BNA_TRACE_INFO(bnad, bnad->bna_id,
+ ("port %u IOC is enabled.\n", bnad->bna_id));
+ bna_port_mac_get(bnad->priv, (bna_mac_t *) bnad->perm_addr);
+ } else {
+ BNA_TRACE_ERROR(bnad, bnad->ioc_comp_status,
+ ("port %u enabling IOC failed: %d\n",
+ bnad->bna_id, bnad->ioc_comp_status));
+ set_bit(BNAD_RESETTING, &bnad->state);
+ }
+
+ return 0;
+
+ disable_msix:
+ bnad_disable_msix(bnad);
+ bnad_cee_detach(bnad);
+ iocll_detach:
+ bna_iocll_detach(bnad->priv);
+ free_ioc_mem:
+ bnad_free_ioc_mem(bnad);
+ bna_uninit(bnad->priv);
+ pci_free_consistent(bnad->pcidev, BNA_HW_STATS_SIZE, bnad->priv_stats,
+ pci_unmap_addr(bnad, priv_stats_dma));
+ bnad->priv_stats = NULL;
+ free_priv_mem:
+ kfree(bnad->priv);
+ bnad->priv = NULL;
+#if defined(__VMKERNEL_MODULE__) && defined(__VMKNETDDI_QUEUEOPS__)
+ free_netq:
+ kfree(bnad->netq_rx);
+ bnad->netq_rx = NULL;
+ kfree(bnad->filters);
+ bnad->filters = NULL;
+#endif
+ free_trcmod:
+ kfree(bnad->trcmod);
+ bnad->trcmod = NULL;
+
+ return err;
+}
+
+static void
+bnad_priv_uninit(struct bnad *bnad)
+{
+ int i;
+ enum bna_status_e err;
+
+ if (bnad->priv) {
+ BNA_TRACE_INFO(bnad, bnad->bna_id,
+ ("port %u disabling IOC ...\n", bnad->bna_id));
+ init_completion(&bnad->ioc_comp);
+ for (i = 0; i < 10; i++) {
+ spin_lock_irq(&bnad->priv_lock);
+ err = bna_iocll_disable(bnad->priv);
+ spin_unlock_irq(&bnad->priv_lock);
+ BNA_ASSERT(!err || err == BNA_BUSY);
+ if (!err)
+ break;
+ msleep(1000);
+ }
+ if (err) {
+ /* Probably firmware crashed. */
+ BNA_TRACE_INFO(bnad, bnad->bna_id,
+ ("bna_iocll_disable failed, "
+ "clean up and try again\n"));
+ spin_lock_irq(&bnad->priv_lock);
+ bna_cleanup(bnad->priv);
+ err = bna_iocll_disable(bnad->priv);
+ spin_unlock_irq(&bnad->priv_lock);
+ BNA_ASSERT(!err);
+ }
+ wait_for_completion(&bnad->ioc_comp);
+ set_bit(BNAD_IOC_DISABLED, &bnad->state);
+ BNA_TRACE_INFO(bnad, bnad->bna_id,
+ ("port %u IOC is disabled\n", bnad->bna_id));
+
+ set_bit(BNAD_REMOVED, &bnad->state);
+ /* Stop the timer after disabling IOC. */
+ del_timer_sync(&bnad->ioc_timer);
+ bnad_free_ioc_mem(bnad);
+ bna_iocll_detach(bnad->priv);
+
+ flush_scheduled_work();
+ bnad_free_mbox_irq(bnad);
+ bnad_disable_msix(bnad);
+
+ bnad_cee_detach(bnad);
+
+ bna_uninit(bnad->priv);
+ if (bnad->priv_stats) {
+ pci_free_consistent(bnad->pcidev, BNA_HW_STATS_SIZE,
+ bnad->priv_stats,
+ pci_unmap_addr(bnad,
+ priv_stats_dma));
+ bnad->priv_stats = NULL;
+ }
+ kfree(bnad->priv);
+ bnad->priv = NULL;
+ }
+ BNA_ASSERT(list_empty(&bnad->file_q));
+#if defined(__VMKERNEL_MODULE__) && defined(__VMKNETDDI_QUEUEOPS__)
+ kfree(bnad->netq_rx);
+ bnad->netq_rx = NULL;
+ kfree(bnad->filters);
+ bnad->filters = NULL;
+#endif
+ kfree(bnad->trcmod);
+ bnad->trcmod = NULL;
+}
+
+static struct pci_device_id bnad_pci_id_table[] = {
+ {
+ .vendor = PCI_VENDOR_ID_BROCADE,
+ .device = PCI_DEVICE_ID_BROCADE_CATAPULT,
+ .subvendor = PCI_ANY_ID,
+ .subdevice = PCI_ANY_ID,
+ .class = PCI_CLASS_NETWORK_ETHERNET << 8,
+ .class_mask = 0xffff00},
+ {0, 0}
+};
+
+MODULE_DEVICE_TABLE(pci, bnad_pci_id_table);
+
+static int __devinit
+bnad_pci_probe(struct pci_dev *pcidev, const struct pci_device_id *pcidev_id)
+{
+ int err, using_dac;
+ struct net_device *netdev;
+ struct bnad *bnad;
+ unsigned long mmio_start, mmio_len;
+ static u32 bna_id = 0;
+
+ BNA_LOG_INFO(("bnad_pci_probe(0x%x, 0x%x)\n", pcidev, pcidev_id));
+ BNA_LOG_DEBUG(("PCI func %d\n", PCI_FUNC(pcidev->devfn)));
+#ifdef CATAPULT_BRINGUP
+ {
+ int i;
+ for (i = 0; i < 6; i++)
+ BNA_LOG_INFO(("BAR %d: 0x%x:0x%x len %d\n", i,
+ pci_resource_start(pcidev, i),
+ pci_resource_end(pcidev, i),
+ pci_resource_len(pcidev, i)));
+ }
+#endif
+ if (!bfad_get_firmware_buf(pcidev)) {
+ printk(KERN_WARNING "Failed to load Firmware Image!\n");
+ return 0;
+ }
+
+ err = pci_enable_device(pcidev);
+ if (err) {
+ dev_err(&pcidev->dev, "pci_enable_device failed: %d\n", err);
+ return err;
+ }
+
+ err = pci_request_regions(pcidev, BNAD_NAME);
+ if (err) {
+ dev_err(&pcidev->dev, "pci_request_regions failed: %d\n", err);
+ goto disable_device;
+ }
+
+ if (!pci_set_dma_mask(pcidev, DMA_64BIT_MASK) &&
+ !pci_set_consistent_dma_mask(pcidev, DMA_64BIT_MASK)) {
+ using_dac = 1;
+ BNA_LOG_INFO(("64bit DMA mask\n"));
+ } else {
+ err = pci_set_dma_mask(pcidev, DMA_32BIT_MASK);
+ if (err) {
+ err = pci_set_consistent_dma_mask(pcidev,
+ DMA_32BIT_MASK);
+ if (err) {
+ dev_err(&pcidev->dev,
+ "set 32bit consistent DMA mask failed: %d\n",
+ err);
+ goto release_regions;
+ }
+ }
+ using_dac = 0;
+ BNA_LOG_INFO(("32bit DMA mask\n"));
+ }
+
+ pci_set_master(pcidev);
+
+ netdev = alloc_etherdev(sizeof(struct bnad));
+ if (!netdev) {
+ dev_err(&pcidev->dev, "alloc_etherdev failed\n");
+ err = -ENOMEM;
+ goto release_regions;
+ }
+ SET_MODULE_OWNER(netdev);
+ SET_NETDEV_DEV(netdev, &pcidev->dev);
+ pci_set_drvdata(pcidev, netdev);
+
+ bnad = netdev_priv(netdev);
+ set_bit(BNAD_DISABLED, &bnad->state);
+ bnad->netdev = netdev;
+ bnad->pcidev = pcidev;
+ mmio_start = pci_resource_start(pcidev, 0);
+ mmio_len = pci_resource_len(pcidev, 0);
+ bnad->bar0 = ioremap_nocache(mmio_start, mmio_len);
+ if (!bnad->bar0) {
+ dev_err(&pcidev->dev, "ioremap for bar0 failed\n");
+ err = -ENOMEM;
+ goto free_devices;
+ }
+ BNA_LOG_INFO(("bar0 mapped to %p, len %lu\n", bnad->bar0, mmio_len));
+
+ netdev->open = bnad_open;
+ netdev->stop = bnad_stop;
+ netdev->hard_start_xmit = bnad_start_xmit;
+ netdev->get_stats = bnad_get_stats;
+#ifdef HAVE_SET_RX_MODE
+ netdev->set_rx_mode = &bnad_set_rx_mode;
+#endif
+ netdev->set_multicast_list = bnad_set_rx_mode;
+ netdev->set_mac_address = bnad_set_mac_address;
+ netdev->change_mtu = bnad_change_mtu;
+ netdev->do_ioctl = bnad_ioctl;
+
+ netdev->features = NETIF_F_SG | NETIF_F_IP_CSUM;
+#ifdef NETIF_F_IPV6_CSUM
+ netdev->features |= NETIF_F_IPV6_CSUM;
+#endif
+#ifdef NETIF_F_TSO
+ netdev->features |= NETIF_F_TSO;
+#endif
+#ifdef NETIF_F_TSO6
+ netdev->features |= NETIF_F_TSO6;
+#endif
+#ifdef BNAD_LRO
+#ifdef NETIF_F_LRO
+ netdev->features |= NETIF_F_LRO;
+#endif
+#endif
+#ifdef BNAD_VLAN_FEATURES
+ netdev->vlan_features = netdev->features;
+#endif
+ if (using_dac)
+ netdev->features |= NETIF_F_HIGHDMA;
+ netdev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX |
+ NETIF_F_HW_VLAN_FILTER;
+ netdev->vlan_rx_register = bnad_vlan_rx_register;
+ netdev->vlan_rx_add_vid = bnad_vlan_rx_add_vid;
+ netdev->vlan_rx_kill_vid = bnad_vlan_rx_kill_vid;
+
+#ifdef BNAD_NAPI
+#ifndef BNAD_NEW_NAPI
+ netdev->poll = bnad_poll;
+ netdev->weight = 64;
+#endif
+#endif
+
+#ifdef CONFIG_NET_POLL_CONTROLLER
+ netdev->poll_controller = bnad_netpoll;
+#endif
+
+ netdev->mem_start = mmio_start;
+ netdev->mem_end = mmio_start + mmio_len - 1;
+
+ bnad_set_ethtool_ops(netdev);
+
+ bnad->bna_id = bna_id;
+ err = bnad_priv_init(bnad);
+ if (err) {
+ printk(KERN_ERR "port %u init failed: %d\n", bnad->bna_id, err);
+ goto unmap_bar0;
+ }
+
+ BNA_ASSERT(netdev->addr_len == ETH_ALEN);
+#ifdef ETHTOOL_GPERMADDR
+ memcpy(netdev->perm_addr, bnad->perm_addr, netdev->addr_len);
+#endif
+ memcpy(netdev->dev_addr, bnad->perm_addr, netdev->addr_len);
+
+#if defined(__VMKERNEL_MODULE__) && defined(__VMKNETDDI_QUEUEOPS__)
+ BNA_LOG_DEBUG(("registering netqueue ops\n", err));
+ VMKNETDDI_REGISTER_QUEUEOPS(netdev, bnad_netqueue_ops);
+#endif
+
+ netif_carrier_off(netdev);
+ netif_stop_queue(netdev);
+ err = register_netdev(netdev);
+ if (err) {
+ printk(KERN_ERR "port %u register_netdev failed: %d\n",
+ bnad->bna_id, err);
+ goto bnad_device_uninit;
+ }
+#ifdef __VMKERNEL_MODULE__
+ /* In vmkernel, use the name set in pdev */
+ memcpy(netdev->name, pcidev->name, IFNAMSIZ);
+ netdev->name[IFNAMSIZ - 1] = 0;
+ printk(KERN_INFO "bna %d name is %s\n", bna_id, netdev->name);
+#endif
+
+ bna_id++;
+ return 0;
+
+bnad_device_uninit:
+ bnad_priv_uninit(bnad);
+unmap_bar0:
+ iounmap(bnad->bar0);
+free_devices:
+ pci_set_drvdata(pcidev, NULL);
+ free_netdev(netdev);
+release_regions:
+ pci_release_regions(pcidev);
+disable_device:
+ pci_disable_device(pcidev);
+
+ return err;
+}
+
+static void __devexit
+bnad_pci_remove(struct pci_dev *pcidev)
+{
+ struct net_device *netdev = pci_get_drvdata(pcidev);
+ struct bnad *bnad;
+
+ BNA_LOG_INFO(("%s bnad_pci_remove\n", netdev->name));
+ if (!netdev)
+ return;
+ bnad = netdev_priv(netdev);
+ BNA_TRACE(bnad, bnad->bna_id);
+
+
+ unregister_netdev(netdev);
+
+ bnad_priv_uninit(bnad);
+ iounmap(bnad->bar0);
+ pci_set_drvdata(pcidev, NULL);
+ free_netdev(netdev);
+ pci_release_regions(pcidev);
+ pci_disable_device(pcidev);
+}
+
+static struct pci_driver bnad_pci_driver = {
+ .name = BNAD_NAME,
+ .id_table = bnad_pci_id_table,
+ .probe = bnad_pci_probe,
+ .remove = __devexit_p(bnad_pci_remove),
+};
+
+static int __init
+bnad_module_init(void)
+{
+ int err;
+
+ printk(KERN_INFO "Brocade 10G Ethernet driver %s\n", bfa_version);
+#if !defined (__VMKERNEL_MODULE__) && !defined(__ESX_COS__)
+ BNA_LOG_INFO(("Module bna is loaded at 0x%p\n",
+ __this_module.module_core));
+#endif
+#ifdef __VMKERNEL_MODULE__
+ if (!vmk_set_module_version("%s", BNAD_VERSION)) {
+ return -ENODEV;
+ }
+#endif
+ err = bnad_check_module_params();
+ if (err)
+ return err;
+
+ bfa_ioc_auto_recover(bnad_ioc_auto_recover);
+
+ return pci_register_driver(&bnad_pci_driver);
+}
+
+static void __exit
+bnad_module_exit(void)
+{
+ pci_unregister_driver(&bnad_pci_driver);
+
+ if (bfi_image_ct_size && bfi_image_ct)
+ vfree(bfi_image_ct);
+}
+
+module_init(bnad_module_init);
+module_exit(bnad_module_exit);
+
+MODULE_AUTHOR("Brocade");
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("Brocade 10G PCIe Ethernet driver");
+MODULE_VERSION(BNAD_VERSION);
--
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