#include <net/ip6_checksum.h>
#include <linux/ethtool.h>
#include <linux/if_vlan.h>
+#include <scsi/fc/fc_fcoe.h>
#include "ixgbe.h"
#include "ixgbe_common.h"
}
/* re-arm the interrupt */
- if (count >= tx_ring->work_limit)
- IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS, tx_ring->v_idx);
+ if (count >= tx_ring->work_limit) {
+ if (adapter->hw.mac.type == ixgbe_mac_82598EB)
+ IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS,
+ tx_ring->v_idx);
+ else if (tx_ring->v_idx & 0xFFFFFFFF)
+ IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS_EX(0),
+ tx_ring->v_idx);
+ else
+ IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS_EX(1),
+ (tx_ring->v_idx >> 32));
+ }
+
tx_ring->total_bytes += total_bytes;
tx_ring->total_packets += total_packets;
**/
static void ixgbe_receive_skb(struct ixgbe_q_vector *q_vector,
struct sk_buff *skb, u8 status,
+ struct ixgbe_ring *ring,
union ixgbe_adv_rx_desc *rx_desc)
{
struct ixgbe_adapter *adapter = q_vector->adapter;
bool is_vlan = (status & IXGBE_RXD_STAT_VP);
u16 tag = le16_to_cpu(rx_desc->wb.upper.vlan);
- skb_record_rx_queue(skb, q_vector - &adapter->q_vector[0]);
+ skb_record_rx_queue(skb, ring->queue_index);
if (!(adapter->flags & IXGBE_FLAG_IN_NETPOLL)) {
if (adapter->vlgrp && is_vlan && (tag != 0))
vlan_gro_receive(napi, adapter->vlgrp, tag, skb);
return rx_desc->wb.lower.lo_dword.hs_rss.pkt_info;
}
+static inline u32 ixgbe_get_rsc_count(union ixgbe_adv_rx_desc *rx_desc)
+{
+ return (le32_to_cpu(rx_desc->wb.lower.lo_dword.data) &
+ IXGBE_RXDADV_RSCCNT_MASK) >>
+ IXGBE_RXDADV_RSCCNT_SHIFT;
+}
+
+/**
+ * ixgbe_transform_rsc_queue - change rsc queue into a full packet
+ * @skb: pointer to the last skb in the rsc queue
+ *
+ * This function changes a queue full of hw rsc buffers into a completed
+ * packet. It uses the ->prev pointers to find the first packet and then
+ * turns it into the frag list owner.
+ **/
+static inline struct sk_buff *ixgbe_transform_rsc_queue(struct sk_buff *skb)
+{
+ unsigned int frag_list_size = 0;
+
+ while (skb->prev) {
+ struct sk_buff *prev = skb->prev;
+ frag_list_size += skb->len;
+ skb->prev = NULL;
+ skb = prev;
+ }
+
+ skb_shinfo(skb)->frag_list = skb->next;
+ skb->next = NULL;
+ skb->len += frag_list_size;
+ skb->data_len += frag_list_size;
+ skb->truesize += frag_list_size;
+ return skb;
+}
+
static bool ixgbe_clean_rx_irq(struct ixgbe_q_vector *q_vector,
struct ixgbe_ring *rx_ring,
int *work_done, int work_to_do)
union ixgbe_adv_rx_desc *rx_desc, *next_rxd;
struct ixgbe_rx_buffer *rx_buffer_info, *next_buffer;
struct sk_buff *skb;
- unsigned int i;
+ unsigned int i, rsc_count = 0;
u32 len, staterr;
u16 hdr_info;
bool cleaned = false;
i++;
if (i == rx_ring->count)
i = 0;
- next_buffer = &rx_ring->rx_buffer_info[i];
next_rxd = IXGBE_RX_DESC_ADV(*rx_ring, i);
prefetch(next_rxd);
-
cleaned_count++;
+
+ if (adapter->flags & IXGBE_FLAG_RSC_CAPABLE)
+ rsc_count = ixgbe_get_rsc_count(rx_desc);
+
+ if (rsc_count) {
+ u32 nextp = (staterr & IXGBE_RXDADV_NEXTP_MASK) >>
+ IXGBE_RXDADV_NEXTP_SHIFT;
+ next_buffer = &rx_ring->rx_buffer_info[nextp];
+ rx_ring->rsc_count += (rsc_count - 1);
+ } else {
+ next_buffer = &rx_ring->rx_buffer_info[i];
+ }
+
if (staterr & IXGBE_RXD_STAT_EOP) {
+ if (skb->prev)
+ skb = ixgbe_transform_rsc_queue(skb);
rx_ring->stats.packets++;
rx_ring->stats.bytes += skb->len;
} else {
- rx_buffer_info->skb = next_buffer->skb;
- rx_buffer_info->dma = next_buffer->dma;
- next_buffer->skb = skb;
- next_buffer->dma = 0;
+ if (adapter->flags & IXGBE_FLAG_RX_PS_ENABLED) {
+ rx_buffer_info->skb = next_buffer->skb;
+ rx_buffer_info->dma = next_buffer->dma;
+ next_buffer->skb = skb;
+ next_buffer->dma = 0;
+ } else {
+ skb->next = next_buffer->skb;
+ skb->next->prev = skb;
+ }
adapter->non_eop_descs++;
goto next_desc;
}
total_rx_packets++;
skb->protocol = eth_type_trans(skb, adapter->netdev);
- ixgbe_receive_skb(q_vector, skb, staterr, rx_desc);
+#ifdef IXGBE_FCOE
+ /* if ddp, not passing to ULD unless for FCP_RSP or error */
+ if (adapter->flags & IXGBE_FLAG_FCOE_ENABLED)
+ if (!ixgbe_fcoe_ddp(adapter, rx_desc, skb))
+ goto next_desc;
+#endif /* IXGBE_FCOE */
+ ixgbe_receive_skb(q_vector, skb, staterr, rx_ring, rx_desc);
next_desc:
rx_desc->wb.upper.status_error = 0;
/* use prefetched values */
rx_desc = next_rxd;
- rx_buffer_info = next_buffer;
+ rx_buffer_info = &rx_ring->rx_buffer_info[i];
staterr = le32_to_cpu(rx_desc->wb.upper.status_error);
}
* corresponding register.
*/
for (v_idx = 0; v_idx < q_vectors; v_idx++) {
- q_vector = &adapter->q_vector[v_idx];
+ q_vector = adapter->q_vector[v_idx];
/* XXX for_each_bit(...) */
r_idx = find_first_bit(q_vector->rxr_idx,
adapter->num_rx_queues);
struct ixgbe_adapter *adapter = q_vector->adapter;
u32 new_itr;
u8 current_itr, ret_itr;
- int i, r_idx, v_idx = ((void *)q_vector - (void *)(adapter->q_vector)) /
- sizeof(struct ixgbe_q_vector);
+ int i, r_idx, v_idx = q_vector->v_idx;
struct ixgbe_ring *rx_ring, *tx_ring;
r_idx = find_first_bit(q_vector->txr_idx, adapter->num_tx_queues);
r_idx = find_first_bit(q_vector->rxr_idx, adapter->num_rx_queues);
rx_ring = &(adapter->rx_ring[r_idx]);
/* disable interrupts on this vector only */
- IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC, rx_ring->v_idx);
+ if (adapter->hw.mac.type == ixgbe_mac_82598EB)
+ IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC, rx_ring->v_idx);
+ else if (rx_ring->v_idx & 0xFFFFFFFF)
+ IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC_EX(0), rx_ring->v_idx);
+ else
+ IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC_EX(1),
+ (rx_ring->v_idx >> 32));
napi_schedule(&q_vector->napi);
return IRQ_HANDLED;
return IRQ_HANDLED;
}
+static inline void ixgbe_irq_enable_queues(struct ixgbe_adapter *adapter,
+ u64 qmask)
+{
+ u32 mask;
+
+ if (adapter->hw.mac.type == ixgbe_mac_82598EB) {
+ mask = (IXGBE_EIMS_RTX_QUEUE & qmask);
+ IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMS, mask);
+ } else {
+ mask = (qmask & 0xFFFFFFFF);
+ IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMS_EX(0), mask);
+ mask = (qmask >> 32);
+ IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMS_EX(1), mask);
+ }
+ /* skip the flush */
+}
+
/**
* ixgbe_clean_rxonly - msix (aka one shot) rx clean routine
* @napi: napi struct with our devices info in it
if (adapter->itr_setting & 1)
ixgbe_set_itr_msix(q_vector);
if (!test_bit(__IXGBE_DOWN, &adapter->state))
- IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMS, rx_ring->v_idx);
+ ixgbe_irq_enable_queues(adapter, rx_ring->v_idx);
}
return work_done;
struct ixgbe_ring *rx_ring = NULL;
int work_done = 0, i;
long r_idx;
- u16 enable_mask = 0;
+ u64 enable_mask = 0;
/* attempt to distribute budget to each queue fairly, but don't allow
* the budget to go below 1 because we'll exit polling */
if (adapter->itr_setting & 1)
ixgbe_set_itr_msix(q_vector);
if (!test_bit(__IXGBE_DOWN, &adapter->state))
- IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMS, enable_mask);
+ ixgbe_irq_enable_queues(adapter, enable_mask);
return 0;
}
static inline void map_vector_to_rxq(struct ixgbe_adapter *a, int v_idx,
int r_idx)
{
- a->q_vector[v_idx].adapter = a;
- set_bit(r_idx, a->q_vector[v_idx].rxr_idx);
- a->q_vector[v_idx].rxr_count++;
- a->rx_ring[r_idx].v_idx = 1 << v_idx;
+ struct ixgbe_q_vector *q_vector = a->q_vector[v_idx];
+
+ set_bit(r_idx, q_vector->rxr_idx);
+ q_vector->rxr_count++;
+ a->rx_ring[r_idx].v_idx = (u64)1 << v_idx;
}
static inline void map_vector_to_txq(struct ixgbe_adapter *a, int v_idx,
- int r_idx)
+ int t_idx)
{
- a->q_vector[v_idx].adapter = a;
- set_bit(r_idx, a->q_vector[v_idx].txr_idx);
- a->q_vector[v_idx].txr_count++;
- a->tx_ring[r_idx].v_idx = 1 << v_idx;
+ struct ixgbe_q_vector *q_vector = a->q_vector[v_idx];
+
+ set_bit(t_idx, q_vector->txr_idx);
+ q_vector->txr_count++;
+ a->tx_ring[t_idx].v_idx = (u64)1 << v_idx;
}
/**
(!(_v)->txr_count) ? &ixgbe_msix_clean_rx : \
&ixgbe_msix_clean_many)
for (vector = 0; vector < q_vectors; vector++) {
- handler = SET_HANDLER(&adapter->q_vector[vector]);
+ handler = SET_HANDLER(adapter->q_vector[vector]);
if(handler == &ixgbe_msix_clean_rx) {
sprintf(adapter->name[vector], "%s-%s-%d",
err = request_irq(adapter->msix_entries[vector].vector,
handler, 0, adapter->name[vector],
- &(adapter->q_vector[vector]));
+ adapter->q_vector[vector]);
if (err) {
DPRINTK(PROBE, ERR,
"request_irq failed for MSIX interrupt "
free_queue_irqs:
for (i = vector - 1; i >= 0; i--)
free_irq(adapter->msix_entries[--vector].vector,
- &(adapter->q_vector[i]));
+ adapter->q_vector[i]);
adapter->flags &= ~IXGBE_FLAG_MSIX_ENABLED;
pci_disable_msix(adapter->pdev);
kfree(adapter->msix_entries);
static void ixgbe_set_itr(struct ixgbe_adapter *adapter)
{
- struct ixgbe_q_vector *q_vector = adapter->q_vector;
+ struct ixgbe_q_vector *q_vector = adapter->q_vector[0];
u8 current_itr;
u32 new_itr = q_vector->eitr;
struct ixgbe_ring *rx_ring = &adapter->rx_ring[0];
static inline void ixgbe_irq_enable(struct ixgbe_adapter *adapter)
{
u32 mask;
- mask = IXGBE_EIMS_ENABLE_MASK;
+
+ mask = (IXGBE_EIMS_ENABLE_MASK & ~IXGBE_EIMS_RTX_QUEUE);
if (adapter->flags & IXGBE_FLAG_FAN_FAIL_CAPABLE)
mask |= IXGBE_EIMS_GPI_SDP1;
if (adapter->hw.mac.type == ixgbe_mac_82599EB) {
}
IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMS, mask);
- if (adapter->hw.mac.type == ixgbe_mac_82599EB) {
- /* enable the rest of the queue vectors */
- IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMS_EX(1),
- (IXGBE_EIMS_RTX_QUEUE << 16));
- IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMS_EX(2),
- ((IXGBE_EIMS_RTX_QUEUE << 16) |
- IXGBE_EIMS_RTX_QUEUE));
- }
+ ixgbe_irq_enable_queues(adapter, ~0);
IXGBE_WRITE_FLUSH(&adapter->hw);
}
struct net_device *netdev = data;
struct ixgbe_adapter *adapter = netdev_priv(netdev);
struct ixgbe_hw *hw = &adapter->hw;
+ struct ixgbe_q_vector *q_vector = adapter->q_vector[0];
u32 eicr;
/*
ixgbe_check_fan_failure(adapter, eicr);
- if (napi_schedule_prep(&adapter->q_vector[0].napi)) {
+ if (napi_schedule_prep(&(q_vector->napi))) {
adapter->tx_ring[0].total_packets = 0;
adapter->tx_ring[0].total_bytes = 0;
adapter->rx_ring[0].total_packets = 0;
adapter->rx_ring[0].total_bytes = 0;
/* would disable interrupts here but EIAM disabled it */
- __napi_schedule(&adapter->q_vector[0].napi);
+ __napi_schedule(&(q_vector->napi));
}
return IRQ_HANDLED;
int i, q_vectors = adapter->num_msix_vectors - NON_Q_VECTORS;
for (i = 0; i < q_vectors; i++) {
- struct ixgbe_q_vector *q_vector = &adapter->q_vector[i];
+ struct ixgbe_q_vector *q_vector = adapter->q_vector[i];
bitmap_zero(q_vector->rxr_idx, MAX_RX_QUEUES);
bitmap_zero(q_vector->txr_idx, MAX_TX_QUEUES);
q_vector->rxr_count = 0;
i--;
for (; i >= 0; i--) {
free_irq(adapter->msix_entries[i].vector,
- &(adapter->q_vector[i]));
+ adapter->q_vector[i]);
}
ixgbe_reset_q_vectors(adapter);
**/
static inline void ixgbe_irq_disable(struct ixgbe_adapter *adapter)
{
- IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC, ~0);
- if (adapter->hw.mac.type == ixgbe_mac_82599EB) {
+ if (adapter->hw.mac.type == ixgbe_mac_82598EB) {
+ IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC, ~0);
+ } else {
+ IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC, 0xFFFF0000);
+ IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC_EX(0), ~0);
IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC_EX(1), ~0);
- IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC_EX(2), ~0);
}
IXGBE_WRITE_FLUSH(&adapter->hw);
if (adapter->flags & IXGBE_FLAG_MSIX_ENABLED) {
}
}
-static inline void ixgbe_irq_enable_queues(struct ixgbe_adapter *adapter)
-{
- u32 mask = IXGBE_EIMS_RTX_QUEUE;
- IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMS, mask);
- if (adapter->hw.mac.type == ixgbe_mac_82599EB) {
- IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMS_EX(1), mask << 16);
- IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMS_EX(2),
- (mask << 16 | mask));
- }
- /* skip the flush */
-}
-
/**
* ixgbe_configure_msi_and_legacy - Initialize PIN (INTA...) and MSI interrupts
*
unsigned long mask;
if (adapter->hw.mac.type == ixgbe_mac_82599EB) {
- queue0 = index;
+ if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) {
+ int dcb_i = adapter->ring_feature[RING_F_DCB].indices;
+ if (dcb_i == 8)
+ queue0 = index >> 4;
+ else if (dcb_i == 4)
+ queue0 = index >> 5;
+ else
+ dev_err(&adapter->pdev->dev, "Invalid DCB "
+ "configuration\n");
+#ifdef IXGBE_FCOE
+ if (adapter->flags & IXGBE_FLAG_FCOE_ENABLED) {
+ struct ixgbe_ring_feature *f;
+
+ rx_ring = &adapter->rx_ring[queue0];
+ f = &adapter->ring_feature[RING_F_FCOE];
+ if ((queue0 == 0) && (index > rx_ring->reg_idx))
+ queue0 = f->mask + index -
+ rx_ring->reg_idx - 1;
+ }
+#endif /* IXGBE_FCOE */
+ } else {
+ queue0 = index;
+ }
} else {
mask = (unsigned long) adapter->ring_feature[RING_F_RSS].mask;
queue0 = index & mask;
srrctl &= ~IXGBE_SRRCTL_BSIZEHDR_MASK;
srrctl &= ~IXGBE_SRRCTL_BSIZEPKT_MASK;
+ srrctl |= (IXGBE_RX_HDR_SIZE << IXGBE_SRRCTL_BSIZEHDRSIZE_SHIFT) &
+ IXGBE_SRRCTL_BSIZEHDR_MASK;
+
if (adapter->flags & IXGBE_FLAG_RX_PS_ENABLED) {
- u16 bufsz = IXGBE_RXBUFFER_2048;
- /* grow the amount we can receive on large page machines */
- if (bufsz < (PAGE_SIZE / 2))
- bufsz = (PAGE_SIZE / 2);
- /* cap the bufsz at our largest descriptor size */
- bufsz = min((u16)IXGBE_MAX_RXBUFFER, bufsz);
-
- srrctl |= bufsz >> IXGBE_SRRCTL_BSIZEPKT_SHIFT;
+#if (PAGE_SIZE / 2) > IXGBE_MAX_RXBUFFER
+ srrctl |= IXGBE_MAX_RXBUFFER >> IXGBE_SRRCTL_BSIZEPKT_SHIFT;
+#else
+ srrctl |= (PAGE_SIZE / 2) >> IXGBE_SRRCTL_BSIZEPKT_SHIFT;
+#endif
srrctl |= IXGBE_SRRCTL_DESCTYPE_HDR_SPLIT_ALWAYS;
- srrctl |= ((IXGBE_RX_HDR_SIZE <<
- IXGBE_SRRCTL_BSIZEHDRSIZE_SHIFT) &
- IXGBE_SRRCTL_BSIZEHDR_MASK);
} else {
+ srrctl |= ALIGN(rx_ring->rx_buf_len, 1024) >>
+ IXGBE_SRRCTL_BSIZEPKT_SHIFT;
srrctl |= IXGBE_SRRCTL_DESCTYPE_ADV_ONEBUF;
-
- if (rx_ring->rx_buf_len == MAXIMUM_ETHERNET_VLAN_SIZE)
- srrctl |= IXGBE_RXBUFFER_2048 >>
- IXGBE_SRRCTL_BSIZEPKT_SHIFT;
- else
- srrctl |= rx_ring->rx_buf_len >>
- IXGBE_SRRCTL_BSIZEPKT_SHIFT;
}
IXGBE_WRITE_REG(&adapter->hw, IXGBE_SRRCTL(index), srrctl);
u32 fctrl, hlreg0;
u32 reta = 0, mrqc = 0;
u32 rdrxctl;
+ u32 rscctrl;
int rx_buf_len;
/* Decide whether to use packet split mode or not */
adapter->flags |= IXGBE_FLAG_RX_PS_ENABLED;
+#ifdef IXGBE_FCOE
+ if (adapter->flags & IXGBE_FLAG_FCOE_ENABLED)
+ adapter->flags &= ~IXGBE_FLAG_RX_PS_ENABLED;
+#endif /* IXGBE_FCOE */
+
/* Set the RX buffer length according to the mode */
if (adapter->flags & IXGBE_FLAG_RX_PS_ENABLED) {
rx_buf_len = IXGBE_RX_HDR_SIZE;
u32 psrtype = IXGBE_PSRTYPE_TCPHDR |
IXGBE_PSRTYPE_UDPHDR |
IXGBE_PSRTYPE_IPV4HDR |
- IXGBE_PSRTYPE_IPV6HDR;
+ IXGBE_PSRTYPE_IPV6HDR |
+ IXGBE_PSRTYPE_L2HDR;
IXGBE_WRITE_REG(hw, IXGBE_PSRTYPE(0), psrtype);
}
} else {
- if (netdev->mtu <= ETH_DATA_LEN)
+ if (!(adapter->flags & IXGBE_FLAG_RSC_ENABLED) &&
+ (netdev->mtu <= ETH_DATA_LEN))
rx_buf_len = MAXIMUM_ETHERNET_VLAN_SIZE;
else
rx_buf_len = ALIGN(max_frame, 1024);
hlreg0 &= ~IXGBE_HLREG0_JUMBOEN;
else
hlreg0 |= IXGBE_HLREG0_JUMBOEN;
+#ifdef IXGBE_FCOE
+ if (adapter->flags & IXGBE_FLAG_FCOE_ENABLED)
+ hlreg0 |= IXGBE_HLREG0_JUMBOEN;
+#endif
IXGBE_WRITE_REG(hw, IXGBE_HLREG0, hlreg0);
rdlen = adapter->rx_ring[0].count * sizeof(union ixgbe_adv_rx_desc);
adapter->rx_ring[i].tail = IXGBE_RDT(j);
adapter->rx_ring[i].rx_buf_len = rx_buf_len;
+#ifdef IXGBE_FCOE
+ if (adapter->flags & IXGBE_FLAG_FCOE_ENABLED) {
+ struct ixgbe_ring_feature *f;
+ f = &adapter->ring_feature[RING_F_FCOE];
+ if ((rx_buf_len < IXGBE_FCOE_JUMBO_FRAME_SIZE) &&
+ (i >= f->mask) && (i < f->mask + f->indices))
+ adapter->rx_ring[i].rx_buf_len =
+ IXGBE_FCOE_JUMBO_FRAME_SIZE;
+ }
+
+#endif /* IXGBE_FCOE */
ixgbe_configure_srrctl(adapter, j);
}
if (hw->mac.type == ixgbe_mac_82599EB) {
rdrxctl = IXGBE_READ_REG(hw, IXGBE_RDRXCTL);
rdrxctl |= IXGBE_RDRXCTL_CRCSTRIP;
+ rdrxctl &= ~IXGBE_RDRXCTL_RSCFRSTSIZE;
IXGBE_WRITE_REG(hw, IXGBE_RDRXCTL, rdrxctl);
}
+
+ if (adapter->flags & IXGBE_FLAG_RSC_ENABLED) {
+ /* Enable 82599 HW-RSC */
+ for (i = 0; i < adapter->num_rx_queues; i++) {
+ j = adapter->rx_ring[i].reg_idx;
+ rscctrl = IXGBE_READ_REG(hw, IXGBE_RSCCTL(j));
+ rscctrl |= IXGBE_RSCCTL_RSCEN;
+ /*
+ * if packet split is enabled we can only support up
+ * to max frags + 1 descriptors.
+ */
+ if (adapter->flags & IXGBE_FLAG_RX_PS_ENABLED)
+#if (MAX_SKB_FRAGS < 3)
+ rscctrl |= IXGBE_RSCCTL_MAXDESC_1;
+#elif (MAX_SKB_FRAGS < 7)
+ rscctrl |= IXGBE_RSCCTL_MAXDESC_4;
+#elif (MAX_SKB_FRAGS < 15)
+ rscctrl |= IXGBE_RSCCTL_MAXDESC_8;
+#else
+ rscctrl |= IXGBE_RSCCTL_MAXDESC_16;
+#endif
+ else
+ rscctrl |= IXGBE_RSCCTL_MAXDESC_16;
+ IXGBE_WRITE_REG(hw, IXGBE_RSCCTL(j), rscctrl);
+ }
+ /* Disable RSC for ACK packets */
+ IXGBE_WRITE_REG(hw, IXGBE_RSCDBU,
+ (IXGBE_RSCDBU_RSCACKDIS | IXGBE_READ_REG(hw, IXGBE_RSCDBU)));
+ }
}
static void ixgbe_vlan_rx_add_vid(struct net_device *netdev, u16 vid)
for (q_idx = 0; q_idx < q_vectors; q_idx++) {
struct napi_struct *napi;
- q_vector = &adapter->q_vector[q_idx];
+ q_vector = adapter->q_vector[q_idx];
if (!q_vector->rxr_count)
continue;
napi = &q_vector->napi;
q_vectors = 1;
for (q_idx = 0; q_idx < q_vectors; q_idx++) {
- q_vector = &adapter->q_vector[q_idx];
+ q_vector = adapter->q_vector[q_idx];
if (!q_vector->rxr_count)
continue;
napi_disable(&q_vector->napi);
netif_set_gso_max_size(netdev, 65536);
#endif
+#ifdef IXGBE_FCOE
+ if (adapter->flags & IXGBE_FLAG_FCOE_ENABLED)
+ ixgbe_configure_fcoe(adapter);
+
+#endif /* IXGBE_FCOE */
ixgbe_configure_tx(adapter);
ixgbe_configure_rx(adapter);
for (i = 0; i < adapter->num_rx_queues; i++)
IXGBE_WRITE_REG(hw, IXGBE_GPIE, gpie);
}
+#ifdef IXGBE_FCOE
+ /* adjust max frame to be able to do baby jumbo for FCoE */
+ if ((adapter->flags & IXGBE_FLAG_FCOE_ENABLED) &&
+ (max_frame < IXGBE_FCOE_JUMBO_FRAME_SIZE))
+ max_frame = IXGBE_FCOE_JUMBO_FRAME_SIZE;
+
+#endif /* IXGBE_FCOE */
mhadd = IXGBE_READ_REG(hw, IXGBE_MHADD);
if (max_frame != (mhadd >> IXGBE_MHADD_MFS_SHIFT)) {
mhadd &= ~IXGBE_MHADD_MFS_MASK;
ixgbe_irq_enable(adapter);
+ /*
+ * If this adapter has a fan, check to see if we had a failure
+ * before we enabled the interrupt.
+ */
+ if (adapter->flags & IXGBE_FLAG_FAN_FAIL_CAPABLE) {
+ u32 esdp = IXGBE_READ_REG(hw, IXGBE_ESDP);
+ if (esdp & IXGBE_ESDP_SDP1)
+ DPRINTK(DRV, CRIT,
+ "Fan has stopped, replace the adapter\n");
+ }
+
/*
* For hot-pluggable SFP+ devices, a new SFP+ module may have
* arrived before interrupts were enabled. We need to kick off
/* hardware has been reset, we need to reload some things */
ixgbe_configure(adapter);
- ixgbe_napi_add_all(adapter);
-
return ixgbe_up_complete(adapter);
}
rx_buffer_info->dma = 0;
}
if (rx_buffer_info->skb) {
- dev_kfree_skb(rx_buffer_info->skb);
+ struct sk_buff *skb = rx_buffer_info->skb;
rx_buffer_info->skb = NULL;
+ do {
+ struct sk_buff *this = skb;
+ skb = skb->prev;
+ dev_kfree_skb(this);
+ } while (skb);
}
if (!rx_buffer_info->page)
continue;
if (adapter->itr_setting & 1)
ixgbe_set_itr(adapter);
if (!test_bit(__IXGBE_DOWN, &adapter->state))
- ixgbe_irq_enable_queues(adapter);
+ ixgbe_irq_enable_queues(adapter, IXGBE_EIMS_RTX_QUEUE);
}
return work_done;
}
return ret;
}
+#ifdef IXGBE_FCOE
+/**
+ * ixgbe_set_fcoe_queues: Allocate queues for Fiber Channel over Ethernet (FCoE)
+ * @adapter: board private structure to initialize
+ *
+ * FCoE RX FCRETA can use up to 8 rx queues for up to 8 different exchanges.
+ * The ring feature mask is not used as a mask for FCoE, as it can take any 8
+ * rx queues out of the max number of rx queues, instead, it is used as the
+ * index of the first rx queue used by FCoE.
+ *
+ **/
+static inline bool ixgbe_set_fcoe_queues(struct ixgbe_adapter *adapter)
+{
+ bool ret = false;
+ struct ixgbe_ring_feature *f = &adapter->ring_feature[RING_F_FCOE];
+
+ f->indices = min((int)num_online_cpus(), f->indices);
+ if (adapter->flags & IXGBE_FLAG_FCOE_ENABLED) {
+#ifdef CONFIG_IXGBE_DCB
+ if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) {
+ DPRINTK(PROBE, INFO, "FCOE enabled with DCB \n");
+ ixgbe_set_dcb_queues(adapter);
+ }
+#endif
+ if (adapter->flags & IXGBE_FLAG_RSS_ENABLED) {
+ DPRINTK(PROBE, INFO, "FCOE enabled with RSS \n");
+ ixgbe_set_rss_queues(adapter);
+ }
+ /* adding FCoE rx rings to the end */
+ f->mask = adapter->num_rx_queues;
+ adapter->num_rx_queues += f->indices;
+ if (adapter->num_tx_queues == 0)
+ adapter->num_tx_queues = f->indices;
+
+ ret = true;
+ }
+
+ return ret;
+}
+
+#endif /* IXGBE_FCOE */
/*
* ixgbe_set_num_queues: Allocate queues for device, feature dependant
* @adapter: board private structure to initialize
**/
static void ixgbe_set_num_queues(struct ixgbe_adapter *adapter)
{
+#ifdef IXGBE_FCOE
+ if (ixgbe_set_fcoe_queues(adapter))
+ goto done;
+
+#endif /* IXGBE_FCOE */
#ifdef CONFIG_IXGBE_DCB
if (ixgbe_set_dcb_queues(adapter))
goto done;
adapter->flags &= ~IXGBE_FLAG_MSIX_ENABLED;
kfree(adapter->msix_entries);
adapter->msix_entries = NULL;
- adapter->flags &= ~IXGBE_FLAG_DCB_ENABLED;
- adapter->flags &= ~IXGBE_FLAG_RSS_ENABLED;
- ixgbe_set_num_queues(adapter);
} else {
adapter->flags |= IXGBE_FLAG_MSIX_ENABLED; /* Woot! */
/*
}
#endif
+#ifdef IXGBE_FCOE
+/**
+ * ixgbe_cache_ring_fcoe - Descriptor ring to register mapping for the FCoE
+ * @adapter: board private structure to initialize
+ *
+ * Cache the descriptor ring offsets for FCoE mode to the assigned rings.
+ *
+ */
+static inline bool ixgbe_cache_ring_fcoe(struct ixgbe_adapter *adapter)
+{
+ int i, fcoe_i = 0;
+ bool ret = false;
+ struct ixgbe_ring_feature *f = &adapter->ring_feature[RING_F_FCOE];
+
+ if (adapter->flags & IXGBE_FLAG_FCOE_ENABLED) {
+#ifdef CONFIG_IXGBE_DCB
+ if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) {
+ ixgbe_cache_ring_dcb(adapter);
+ fcoe_i = adapter->rx_ring[0].reg_idx + 1;
+ }
+#endif /* CONFIG_IXGBE_DCB */
+ if (adapter->flags & IXGBE_FLAG_RSS_ENABLED) {
+ ixgbe_cache_ring_rss(adapter);
+ fcoe_i = f->mask;
+ }
+ for (i = 0; i < f->indices; i++, fcoe_i++)
+ adapter->rx_ring[f->mask + i].reg_idx = fcoe_i;
+ ret = true;
+ }
+ return ret;
+}
+
+#endif /* IXGBE_FCOE */
/**
* ixgbe_cache_ring_register - Descriptor ring to register mapping
* @adapter: board private structure to initialize
adapter->rx_ring[0].reg_idx = 0;
adapter->tx_ring[0].reg_idx = 0;
+#ifdef IXGBE_FCOE
+ if (ixgbe_cache_ring_fcoe(adapter))
+ return;
+
+#endif /* IXGBE_FCOE */
#ifdef CONFIG_IXGBE_DCB
if (ixgbe_cache_ring_dcb(adapter))
return;
* mean we disable MSI-X capabilities of the adapter. */
adapter->msix_entries = kcalloc(v_budget,
sizeof(struct msix_entry), GFP_KERNEL);
- if (!adapter->msix_entries) {
- adapter->flags &= ~IXGBE_FLAG_DCB_ENABLED;
- adapter->flags &= ~IXGBE_FLAG_RSS_ENABLED;
- ixgbe_set_num_queues(adapter);
- kfree(adapter->tx_ring);
- kfree(adapter->rx_ring);
- err = ixgbe_alloc_queues(adapter);
- if (err) {
- DPRINTK(PROBE, ERR, "Unable to allocate memory "
- "for queues\n");
- goto out;
- }
-
- goto try_msi;
- }
+ if (adapter->msix_entries) {
+ for (vector = 0; vector < v_budget; vector++)
+ adapter->msix_entries[vector].entry = vector;
- for (vector = 0; vector < v_budget; vector++)
- adapter->msix_entries[vector].entry = vector;
+ ixgbe_acquire_msix_vectors(adapter, v_budget);
- ixgbe_acquire_msix_vectors(adapter, v_budget);
+ if (adapter->flags & IXGBE_FLAG_MSIX_ENABLED)
+ goto out;
+ }
- if (adapter->flags & IXGBE_FLAG_MSIX_ENABLED)
- goto out;
+ adapter->flags &= ~IXGBE_FLAG_DCB_ENABLED;
+ adapter->flags &= ~IXGBE_FLAG_RSS_ENABLED;
+ ixgbe_set_num_queues(adapter);
-try_msi:
err = pci_enable_msi(adapter->pdev);
if (!err) {
adapter->flags |= IXGBE_FLAG_MSI_ENABLED;
return err;
}
+/**
+ * ixgbe_alloc_q_vectors - Allocate memory for interrupt vectors
+ * @adapter: board private structure to initialize
+ *
+ * We allocate one q_vector per queue interrupt. If allocation fails we
+ * return -ENOMEM.
+ **/
+static int ixgbe_alloc_q_vectors(struct ixgbe_adapter *adapter)
+{
+ int q_idx, num_q_vectors;
+ struct ixgbe_q_vector *q_vector;
+ int napi_vectors;
+ int (*poll)(struct napi_struct *, int);
+
+ if (adapter->flags & IXGBE_FLAG_MSIX_ENABLED) {
+ num_q_vectors = adapter->num_msix_vectors - NON_Q_VECTORS;
+ napi_vectors = adapter->num_rx_queues;
+ poll = &ixgbe_clean_rxonly;
+ } else {
+ num_q_vectors = 1;
+ napi_vectors = 1;
+ poll = &ixgbe_poll;
+ }
+
+ for (q_idx = 0; q_idx < num_q_vectors; q_idx++) {
+ q_vector = kzalloc(sizeof(struct ixgbe_q_vector), GFP_KERNEL);
+ if (!q_vector)
+ goto err_out;
+ q_vector->adapter = adapter;
+ q_vector->v_idx = q_idx;
+ q_vector->eitr = adapter->eitr_param;
+ if (q_idx < napi_vectors)
+ netif_napi_add(adapter->netdev, &q_vector->napi,
+ (*poll), 64);
+ adapter->q_vector[q_idx] = q_vector;
+ }
+
+ return 0;
+
+err_out:
+ while (q_idx) {
+ q_idx--;
+ q_vector = adapter->q_vector[q_idx];
+ netif_napi_del(&q_vector->napi);
+ kfree(q_vector);
+ adapter->q_vector[q_idx] = NULL;
+ }
+ return -ENOMEM;
+}
+
+/**
+ * ixgbe_free_q_vectors - Free memory allocated for interrupt vectors
+ * @adapter: board private structure to initialize
+ *
+ * This function frees the memory allocated to the q_vectors. In addition if
+ * NAPI is enabled it will delete any references to the NAPI struct prior
+ * to freeing the q_vector.
+ **/
+static void ixgbe_free_q_vectors(struct ixgbe_adapter *adapter)
+{
+ int q_idx, num_q_vectors;
+ int napi_vectors;
+
+ if (adapter->flags & IXGBE_FLAG_MSIX_ENABLED) {
+ num_q_vectors = adapter->num_msix_vectors - NON_Q_VECTORS;
+ napi_vectors = adapter->num_rx_queues;
+ } else {
+ num_q_vectors = 1;
+ napi_vectors = 1;
+ }
+
+ for (q_idx = 0; q_idx < num_q_vectors; q_idx++) {
+ struct ixgbe_q_vector *q_vector = adapter->q_vector[q_idx];
+
+ adapter->q_vector[q_idx] = NULL;
+ if (q_idx < napi_vectors)
+ netif_napi_del(&q_vector->napi);
+ kfree(q_vector);
+ }
+}
+
void ixgbe_reset_interrupt_capability(struct ixgbe_adapter *adapter)
{
if (adapter->flags & IXGBE_FLAG_MSIX_ENABLED) {
/* Number of supported queues */
ixgbe_set_num_queues(adapter);
- err = ixgbe_alloc_queues(adapter);
- if (err) {
- DPRINTK(PROBE, ERR, "Unable to allocate memory for queues\n");
- goto err_alloc_queues;
- }
-
err = ixgbe_set_interrupt_capability(adapter);
if (err) {
DPRINTK(PROBE, ERR, "Unable to setup interrupt capabilities\n");
goto err_set_interrupt;
}
+ err = ixgbe_alloc_q_vectors(adapter);
+ if (err) {
+ DPRINTK(PROBE, ERR, "Unable to allocate memory for queue "
+ "vectors\n");
+ goto err_alloc_q_vectors;
+ }
+
+ err = ixgbe_alloc_queues(adapter);
+ if (err) {
+ DPRINTK(PROBE, ERR, "Unable to allocate memory for queues\n");
+ goto err_alloc_queues;
+ }
+
DPRINTK(DRV, INFO, "Multiqueue %s: Rx Queue count = %u, "
"Tx Queue count = %u\n",
(adapter->num_rx_queues > 1) ? "Enabled" :
return 0;
+err_alloc_queues:
+ ixgbe_free_q_vectors(adapter);
+err_alloc_q_vectors:
+ ixgbe_reset_interrupt_capability(adapter);
err_set_interrupt:
+ return err;
+}
+
+/**
+ * ixgbe_clear_interrupt_scheme - Clear the current interrupt scheme settings
+ * @adapter: board private structure to clear interrupt scheme on
+ *
+ * We go through and clear interrupt specific resources and reset the structure
+ * to pre-load conditions
+ **/
+void ixgbe_clear_interrupt_scheme(struct ixgbe_adapter *adapter)
+{
kfree(adapter->tx_ring);
kfree(adapter->rx_ring);
-err_alloc_queues:
- return err;
+ adapter->tx_ring = NULL;
+ adapter->rx_ring = NULL;
+
+ ixgbe_free_q_vectors(adapter);
+ ixgbe_reset_interrupt_capability(adapter);
}
/**
adapter->ring_feature[RING_F_RSS].indices = rss;
adapter->flags |= IXGBE_FLAG_RSS_ENABLED;
adapter->ring_feature[RING_F_DCB].indices = IXGBE_MAX_DCB_INDICES;
- if (hw->mac.type == ixgbe_mac_82598EB)
+ if (hw->mac.type == ixgbe_mac_82598EB) {
+ if (hw->device_id == IXGBE_DEV_ID_82598AT)
+ adapter->flags |= IXGBE_FLAG_FAN_FAIL_CAPABLE;
adapter->max_msix_q_vectors = MAX_MSIX_Q_VECTORS_82598;
- else if (hw->mac.type == ixgbe_mac_82599EB)
+ } else if (hw->mac.type == ixgbe_mac_82599EB) {
adapter->max_msix_q_vectors = MAX_MSIX_Q_VECTORS_82599;
+ adapter->flags |= IXGBE_FLAG_RSC_CAPABLE;
+ adapter->flags |= IXGBE_FLAG_RSC_ENABLED;
+#ifdef IXGBE_FCOE
+ adapter->flags |= IXGBE_FLAG_FCOE_ENABLED;
+ adapter->ring_feature[RING_F_FCOE].indices = IXGBE_FCRETA_SIZE;
+#endif /* IXGBE_FCOE */
+ }
#ifdef CONFIG_IXGBE_DCB
/* Configure DCB traffic classes */
ixgbe_configure(adapter);
- ixgbe_napi_add_all(adapter);
-
err = ixgbe_request_irq(adapter);
if (err)
goto err_req_irq;
return 0;
}
-/**
- * ixgbe_napi_add_all - prep napi structs for use
- * @adapter: private struct
- *
- * helper function to napi_add each possible q_vector->napi
- */
-void ixgbe_napi_add_all(struct ixgbe_adapter *adapter)
-{
- int q_idx, q_vectors;
- struct net_device *netdev = adapter->netdev;
- int (*poll)(struct napi_struct *, int);
-
- /* check if we already have our netdev->napi_list populated */
- if (&netdev->napi_list != netdev->napi_list.next)
- return;
-
- if (adapter->flags & IXGBE_FLAG_MSIX_ENABLED) {
- poll = &ixgbe_clean_rxonly;
- /* Only enable as many vectors as we have rx queues. */
- q_vectors = adapter->num_rx_queues;
- } else {
- poll = &ixgbe_poll;
- /* only one q_vector for legacy modes */
- q_vectors = 1;
- }
-
- for (q_idx = 0; q_idx < q_vectors; q_idx++) {
- struct ixgbe_q_vector *q_vector = &adapter->q_vector[q_idx];
- netif_napi_add(adapter->netdev, &q_vector->napi, (*poll), 64);
- }
-}
-
-void ixgbe_napi_del_all(struct ixgbe_adapter *adapter)
-{
- int q_idx;
- int q_vectors = adapter->num_msix_vectors - NON_Q_VECTORS;
-
- /* legacy and MSI only use one vector */
- if (!(adapter->flags & IXGBE_FLAG_MSIX_ENABLED))
- q_vectors = 1;
-
- for (q_idx = 0; q_idx < q_vectors; q_idx++) {
- struct ixgbe_q_vector *q_vector = &adapter->q_vector[q_idx];
- if (!q_vector->rxr_count)
- continue;
- netif_napi_del(&q_vector->napi);
- }
-}
-
#ifdef CONFIG_PM
static int ixgbe_resume(struct pci_dev *pdev)
{
pci_set_power_state(pdev, PCI_D0);
pci_restore_state(pdev);
- err = pci_enable_device(pdev);
+
+ err = pci_enable_device_mem(pdev);
if (err) {
printk(KERN_ERR "ixgbe: Cannot enable PCI device from "
"suspend\n");
}
pci_set_master(pdev);
- pci_enable_wake(pdev, PCI_D3hot, 0);
- pci_enable_wake(pdev, PCI_D3cold, 0);
+ pci_wake_from_d3(pdev, false);
err = ixgbe_init_interrupt_scheme(adapter);
if (err) {
ixgbe_reset(adapter);
+ IXGBE_WRITE_REG(&adapter->hw, IXGBE_WUS, ~0);
+
if (netif_running(netdev)) {
err = ixgbe_open(adapter->netdev);
if (err)
ixgbe_free_all_tx_resources(adapter);
ixgbe_free_all_rx_resources(adapter);
}
- ixgbe_reset_interrupt_capability(adapter);
- ixgbe_napi_del_all(adapter);
- INIT_LIST_HEAD(&netdev->napi_list);
- kfree(adapter->tx_ring);
- kfree(adapter->rx_ring);
+ ixgbe_clear_interrupt_scheme(adapter);
#ifdef CONFIG_PM
retval = pci_save_state(pdev);
IXGBE_WRITE_REG(hw, IXGBE_WUFC, 0);
}
- if (wufc && hw->mac.type == ixgbe_mac_82599EB) {
- pci_enable_wake(pdev, PCI_D3hot, 1);
- pci_enable_wake(pdev, PCI_D3cold, 1);
- } else {
- pci_enable_wake(pdev, PCI_D3hot, 0);
- pci_enable_wake(pdev, PCI_D3cold, 0);
- }
+ if (wufc && hw->mac.type == ixgbe_mac_82599EB)
+ pci_wake_from_d3(pdev, true);
+ else
+ pci_wake_from_d3(pdev, false);
*enable_wake = !!wufc;
u32 i, missed_rx = 0, mpc, bprc, lxon, lxoff, xon_off_tot;
if (hw->mac.type == ixgbe_mac_82599EB) {
+ u64 rsc_count = 0;
for (i = 0; i < 16; i++)
adapter->hw_rx_no_dma_resources +=
IXGBE_READ_REG(hw, IXGBE_QPRDC(i));
+ for (i = 0; i < adapter->num_rx_queues; i++)
+ rsc_count += adapter->rx_ring[i].rsc_count;
+ adapter->rsc_count = rsc_count;
}
adapter->stats.crcerrs += IXGBE_READ_REG(hw, IXGBE_CRCERRS);
IXGBE_READ_REG(hw, IXGBE_TORH); /* to clear */
adapter->stats.lxonrxc += IXGBE_READ_REG(hw, IXGBE_LXONRXCNT);
adapter->stats.lxoffrxc += IXGBE_READ_REG(hw, IXGBE_LXOFFRXCNT);
+#ifdef IXGBE_FCOE
+ adapter->stats.fccrc += IXGBE_READ_REG(hw, IXGBE_FCCRC);
+ adapter->stats.fcoerpdc += IXGBE_READ_REG(hw, IXGBE_FCOERPDC);
+ adapter->stats.fcoeprc += IXGBE_READ_REG(hw, IXGBE_FCOEPRC);
+ adapter->stats.fcoeptc += IXGBE_READ_REG(hw, IXGBE_FCOEPTC);
+ adapter->stats.fcoedwrc += IXGBE_READ_REG(hw, IXGBE_FCOEDWRC);
+ adapter->stats.fcoedwtc += IXGBE_READ_REG(hw, IXGBE_FCOEDWTC);
+#endif /* IXGBE_FCOE */
} else {
adapter->stats.lxonrxc += IXGBE_READ_REG(hw, IXGBE_LXONRXC);
adapter->stats.lxoffrxc += IXGBE_READ_REG(hw, IXGBE_LXOFFRXC);
int i;
for (i = 0; i < adapter->num_msix_vectors - NON_Q_VECTORS; i++)
- eics |= (1 << i);
+ eics |= ((u64)1 << i);
/* Cause software interrupt to ensure rx rings are cleaned */
switch (hw->mac.type) {
break;
case ixgbe_mac_82599EB:
if (adapter->flags & IXGBE_FLAG_MSIX_ENABLED) {
- /*
- * EICS(0..15) first 0-15 q vectors
- * EICS[1] (16..31) q vectors 16-31
- * EICS[2] (0..31) q vectors 32-63
- */
- IXGBE_WRITE_REG(hw, IXGBE_EICS,
- (u32)(eics & 0xFFFF));
+ IXGBE_WRITE_REG(hw, IXGBE_EICS_EX(0),
+ (u32)(eics & 0xFFFFFFFF));
IXGBE_WRITE_REG(hw, IXGBE_EICS_EX(1),
- (u32)(eics & 0xFFFF0000));
- IXGBE_WRITE_REG(hw, IXGBE_EICS_EX(2),
(u32)(eics >> 32));
} else {
/*
struct ixgbe_hw *hw = &adapter->hw;
u32 link_speed = adapter->link_speed;
bool link_up = adapter->link_up;
+ int i;
+ struct ixgbe_ring *tx_ring;
+ int some_tx_pending = 0;
adapter->flags |= IXGBE_FLAG_IN_WATCHDOG_TASK;
}
}
+ if (!netif_carrier_ok(netdev)) {
+ for (i = 0; i < adapter->num_tx_queues; i++) {
+ tx_ring = &adapter->tx_ring[i];
+ if (tx_ring->next_to_use != tx_ring->next_to_clean) {
+ some_tx_pending = 1;
+ break;
+ }
+ }
+
+ if (some_tx_pending) {
+ /* We've lost link, so the controller stops DMA,
+ * but we've got queued Tx work that's never going
+ * to get done, so reset controller to flush Tx.
+ * (Do the reset outside of interrupt context).
+ */
+ schedule_work(&adapter->reset_task);
+ }
+ }
+
ixgbe_update_stats(adapter);
adapter->flags &= ~IXGBE_FLAG_IN_WATCHDOG_TASK;
}
static int ixgbe_tx_map(struct ixgbe_adapter *adapter,
struct ixgbe_ring *tx_ring,
- struct sk_buff *skb, unsigned int first)
+ struct sk_buff *skb, u32 tx_flags,
+ unsigned int first)
{
struct ixgbe_tx_buffer *tx_buffer_info;
- unsigned int len = skb_headlen(skb);
+ unsigned int len;
+ unsigned int total = skb->len;
unsigned int offset = 0, size, count = 0, i;
unsigned int nr_frags = skb_shinfo(skb)->nr_frags;
unsigned int f;
map = skb_shinfo(skb)->dma_maps;
+ if (tx_flags & IXGBE_TX_FLAGS_FCOE)
+ /* excluding fcoe_crc_eof for FCoE */
+ total -= sizeof(struct fcoe_crc_eof);
+
+ len = min(skb_headlen(skb), total);
while (len) {
tx_buffer_info = &tx_ring->tx_buffer_info[i];
size = min(len, (uint)IXGBE_MAX_DATA_PER_TXD);
tx_buffer_info->next_to_watch = i;
len -= size;
+ total -= size;
offset += size;
count++;
struct skb_frag_struct *frag;
frag = &skb_shinfo(skb)->frags[f];
- len = frag->size;
+ len = min((unsigned int)frag->size, total);
offset = 0;
while (len) {
tx_buffer_info->next_to_watch = i;
len -= size;
+ total -= size;
offset += size;
count++;
}
+ if (total == 0)
+ break;
}
tx_ring->tx_buffer_info[i].skb = skb;
olinfo_status |= IXGBE_TXD_POPTS_TXSM <<
IXGBE_ADVTXD_POPTS_SHIFT;
+ if (tx_flags & IXGBE_TX_FLAGS_FCOE) {
+ olinfo_status |= IXGBE_ADVTXD_CC;
+ olinfo_status |= (1 << IXGBE_ADVTXD_IDX_SHIFT);
+ if (tx_flags & IXGBE_TX_FLAGS_FSO)
+ cmd_type_len |= IXGBE_ADVTXD_DCMD_TSE;
+ }
+
olinfo_status |= ((paylen - hdr_len) << IXGBE_ADVTXD_PAYLEN_SHIFT);
i = tx_ring->next_to_use;
tx_flags <<= IXGBE_TX_FLAGS_VLAN_SHIFT;
tx_flags |= IXGBE_TX_FLAGS_VLAN;
}
- /* three things can cause us to need a context descriptor */
+
+ if ((adapter->flags & IXGBE_FLAG_FCOE_ENABLED) &&
+ (skb->protocol == htons(ETH_P_FCOE)))
+ tx_flags |= IXGBE_TX_FLAGS_FCOE;
+
+ /* four things can cause us to need a context descriptor */
if (skb_is_gso(skb) ||
(skb->ip_summed == CHECKSUM_PARTIAL) ||
- (tx_flags & IXGBE_TX_FLAGS_VLAN))
+ (tx_flags & IXGBE_TX_FLAGS_VLAN) ||
+ (tx_flags & IXGBE_TX_FLAGS_FCOE))
count++;
count += TXD_USE_COUNT(skb_headlen(skb));
return NETDEV_TX_BUSY;
}
- if (skb->protocol == htons(ETH_P_IP))
- tx_flags |= IXGBE_TX_FLAGS_IPV4;
first = tx_ring->next_to_use;
- tso = ixgbe_tso(adapter, tx_ring, skb, tx_flags, &hdr_len);
- if (tso < 0) {
- dev_kfree_skb_any(skb);
- return NETDEV_TX_OK;
- }
-
- if (tso)
- tx_flags |= IXGBE_TX_FLAGS_TSO;
- else if (ixgbe_tx_csum(adapter, tx_ring, skb, tx_flags) &&
- (skb->ip_summed == CHECKSUM_PARTIAL))
- tx_flags |= IXGBE_TX_FLAGS_CSUM;
+ if (tx_flags & IXGBE_TX_FLAGS_FCOE) {
+#ifdef IXGBE_FCOE
+ /* setup tx offload for FCoE */
+ tso = ixgbe_fso(adapter, tx_ring, skb, tx_flags, &hdr_len);
+ if (tso < 0) {
+ dev_kfree_skb_any(skb);
+ return NETDEV_TX_OK;
+ }
+ if (tso)
+ tx_flags |= IXGBE_TX_FLAGS_FSO;
+#endif /* IXGBE_FCOE */
+ } else {
+ if (skb->protocol == htons(ETH_P_IP))
+ tx_flags |= IXGBE_TX_FLAGS_IPV4;
+ tso = ixgbe_tso(adapter, tx_ring, skb, tx_flags, &hdr_len);
+ if (tso < 0) {
+ dev_kfree_skb_any(skb);
+ return NETDEV_TX_OK;
+ }
- count = ixgbe_tx_map(adapter, tx_ring, skb, first);
+ if (tso)
+ tx_flags |= IXGBE_TX_FLAGS_TSO;
+ else if (ixgbe_tx_csum(adapter, tx_ring, skb, tx_flags) &&
+ (skb->ip_summed == CHECKSUM_PARTIAL))
+ tx_flags |= IXGBE_TX_FLAGS_CSUM;
+ }
+ count = ixgbe_tx_map(adapter, tx_ring, skb, tx_flags, first);
if (count) {
ixgbe_tx_queue(adapter, tx_ring, tx_flags, count, skb->len,
hdr_len);
return 0;
}
+static int
+ixgbe_mdio_read(struct net_device *netdev, int prtad, int devad, u16 addr)
+{
+ struct ixgbe_adapter *adapter = netdev_priv(netdev);
+ struct ixgbe_hw *hw = &adapter->hw;
+ u16 value;
+ int rc;
+
+ if (prtad != hw->phy.mdio.prtad)
+ return -EINVAL;
+ rc = hw->phy.ops.read_reg(hw, addr, devad, &value);
+ if (!rc)
+ rc = value;
+ return rc;
+}
+
+static int ixgbe_mdio_write(struct net_device *netdev, int prtad, int devad,
+ u16 addr, u16 value)
+{
+ struct ixgbe_adapter *adapter = netdev_priv(netdev);
+ struct ixgbe_hw *hw = &adapter->hw;
+
+ if (prtad != hw->phy.mdio.prtad)
+ return -EINVAL;
+ return hw->phy.ops.write_reg(hw, addr, devad, value);
+}
+
+static int ixgbe_ioctl(struct net_device *netdev, struct ifreq *req, int cmd)
+{
+ struct ixgbe_adapter *adapter = netdev_priv(netdev);
+
+ return mdio_mii_ioctl(&adapter->hw.phy.mdio, if_mii(req), cmd);
+}
+
+/**
+ * ixgbe_add_sanmac_netdev - Add the SAN MAC address to the corresponding
+ * netdev->dev_addr_list
+ * @netdev: network interface device structure
+ *
+ * Returns non-zero on failure
+ **/
+static int ixgbe_add_sanmac_netdev(struct net_device *dev)
+{
+ int err = 0;
+ struct ixgbe_adapter *adapter = netdev_priv(dev);
+ struct ixgbe_mac_info *mac = &adapter->hw.mac;
+
+ if (is_valid_ether_addr(mac->san_addr)) {
+ rtnl_lock();
+ err = dev_addr_add(dev, mac->san_addr, NETDEV_HW_ADDR_T_SAN);
+ rtnl_unlock();
+ }
+ return err;
+}
+
+/**
+ * ixgbe_del_sanmac_netdev - Removes the SAN MAC address to the corresponding
+ * netdev->dev_addr_list
+ * @netdev: network interface device structure
+ *
+ * Returns non-zero on failure
+ **/
+static int ixgbe_del_sanmac_netdev(struct net_device *dev)
+{
+ int err = 0;
+ struct ixgbe_adapter *adapter = netdev_priv(dev);
+ struct ixgbe_mac_info *mac = &adapter->hw.mac;
+
+ if (is_valid_ether_addr(mac->san_addr)) {
+ rtnl_lock();
+ err = dev_addr_del(dev, mac->san_addr, NETDEV_HW_ADDR_T_SAN);
+ rtnl_unlock();
+ }
+ return err;
+}
+
#ifdef CONFIG_NET_POLL_CONTROLLER
/*
* Polling 'interrupt' - used by things like netconsole to send skbs
.ndo_vlan_rx_register = ixgbe_vlan_rx_register,
.ndo_vlan_rx_add_vid = ixgbe_vlan_rx_add_vid,
.ndo_vlan_rx_kill_vid = ixgbe_vlan_rx_kill_vid,
+ .ndo_do_ioctl = ixgbe_ioctl,
#ifdef CONFIG_NET_POLL_CONTROLLER
.ndo_poll_controller = ixgbe_netpoll,
#endif
+#ifdef IXGBE_FCOE
+ .ndo_fcoe_ddp_setup = ixgbe_fcoe_ddp_get,
+ .ndo_fcoe_ddp_done = ixgbe_fcoe_ddp_put,
+#endif /* IXGBE_FCOE */
};
/**
const struct ixgbe_info *ii = ixgbe_info_tbl[ent->driver_data];
static int cards_found;
int i, err, pci_using_dac;
- u16 pm_value = 0;
+#ifdef IXGBE_FCOE
+ u16 device_caps;
+#endif
u32 part_num, eec;
- err = pci_enable_device(pdev);
+ err = pci_enable_device_mem(pdev);
if (err)
return err;
pci_using_dac = 0;
}
- err = pci_request_regions(pdev, ixgbe_driver_name);
+ err = pci_request_selected_regions(pdev, pci_select_bars(pdev,
+ IORESOURCE_MEM), ixgbe_driver_name);
if (err) {
- dev_err(&pdev->dev, "pci_request_regions failed 0x%x\n", err);
+ dev_err(&pdev->dev,
+ "pci_request_selected_regions failed 0x%x\n", err);
goto err_pci_reg;
}
/* PHY */
memcpy(&hw->phy.ops, ii->phy_ops, sizeof(hw->phy.ops));
hw->phy.sfp_type = ixgbe_sfp_type_unknown;
+ /* ixgbe_identify_phy_generic will set prtad and mmds properly */
+ hw->phy.mdio.prtad = MDIO_PRTAD_NONE;
+ hw->phy.mdio.mmds = 0;
+ hw->phy.mdio.mode_support = MDIO_SUPPORTS_C45 | MDIO_EMULATE_C22;
+ hw->phy.mdio.dev = netdev;
+ hw->phy.mdio.mdio_read = ixgbe_mdio_read;
+ hw->phy.mdio.mdio_write = ixgbe_mdio_write;
/* set up this timer and work struct before calling get_invariants
* which might start the timer
if (err)
goto err_sw_init;
+ /*
+ * If there is a fan on this device and it has failed log the
+ * failure.
+ */
+ if (adapter->flags & IXGBE_FLAG_FAN_FAIL_CAPABLE) {
+ u32 esdp = IXGBE_READ_REG(hw, IXGBE_ESDP);
+ if (esdp & IXGBE_ESDP_SDP1)
+ DPRINTK(PROBE, CRIT,
+ "Fan has stopped, replace the adapter\n");
+ }
+
/* reset_hw fills in the perm_addr as well */
err = hw->mac.ops.reset_hw(hw);
if (err == IXGBE_ERR_SFP_NOT_SUPPORTED) {
netdev->dcbnl_ops = &dcbnl_ops;
#endif
+#ifdef IXGBE_FCOE
+ if (adapter->flags & IXGBE_FLAG_FCOE_ENABLED) {
+ if (hw->mac.ops.get_device_caps) {
+ hw->mac.ops.get_device_caps(hw, &device_caps);
+ if (!(device_caps & IXGBE_DEVICE_CAPS_FCOE_OFFLOADS)) {
+ netdev->features |= NETIF_F_FCOE_CRC;
+ netdev->features |= NETIF_F_FSO;
+ netdev->fcoe_ddp_xid = IXGBE_FCOE_DDP_MAX - 1;
+ } else {
+ adapter->flags &= ~IXGBE_FLAG_FCOE_ENABLED;
+ }
+ }
+ }
+#endif /* IXGBE_FCOE */
if (pci_using_dac)
netdev->features |= NETIF_F_HIGHDMA;
+ if (adapter->flags & IXGBE_FLAG_RSC_ENABLED)
+ netdev->features |= NETIF_F_LRO;
+
/* make sure the EEPROM is good */
if (hw->eeprom.ops.validate_checksum(hw, NULL) < 0) {
dev_err(&pdev->dev, "The EEPROM Checksum Is Not Valid\n");
switch (pdev->device) {
case IXGBE_DEV_ID_82599_KX4:
-#define IXGBE_PCIE_PMCSR 0x44
- adapter->wol = IXGBE_WUFC_MAG;
- pci_read_config_word(pdev, IXGBE_PCIE_PMCSR, &pm_value);
- pci_write_config_word(pdev, IXGBE_PCIE_PMCSR,
- (pm_value | (1 << 8)));
+ adapter->wol = (IXGBE_WUFC_MAG | IXGBE_WUFC_EX |
+ IXGBE_WUFC_MC | IXGBE_WUFC_BC);
break;
default:
adapter->wol = 0;
ixgbe_setup_dca(adapter);
}
#endif
+ /* add san mac addr to netdev */
+ ixgbe_add_sanmac_netdev(netdev);
dev_info(&pdev->dev, "Intel(R) 10 Gigabit Network Connection\n");
cards_found++;
err_register:
ixgbe_release_hw_control(adapter);
err_hw_init:
+ ixgbe_clear_interrupt_scheme(adapter);
err_sw_init:
- ixgbe_reset_interrupt_capability(adapter);
err_eeprom:
clear_bit(__IXGBE_SFP_MODULE_NOT_FOUND, &adapter->state);
del_timer_sync(&adapter->sfp_timer);
err_ioremap:
free_netdev(netdev);
err_alloc_etherdev:
- pci_release_regions(pdev);
+ pci_release_selected_regions(pdev, pci_select_bars(pdev,
+ IORESOURCE_MEM));
err_pci_reg:
err_dma:
pci_disable_device(pdev);
}
#endif
+#ifdef IXGBE_FCOE
+ if (adapter->flags & IXGBE_FLAG_FCOE_ENABLED)
+ ixgbe_cleanup_fcoe(adapter);
+
+#endif /* IXGBE_FCOE */
+
+ /* remove the added san mac */
+ ixgbe_del_sanmac_netdev(netdev);
+
if (netdev->reg_state == NETREG_REGISTERED)
unregister_netdev(netdev);
- ixgbe_reset_interrupt_capability(adapter);
+ ixgbe_clear_interrupt_scheme(adapter);
ixgbe_release_hw_control(adapter);
iounmap(adapter->hw.hw_addr);
- pci_release_regions(pdev);
+ pci_release_selected_regions(pdev, pci_select_bars(pdev,
+ IORESOURCE_MEM));
DPRINTK(PROBE, INFO, "complete\n");
- kfree(adapter->tx_ring);
- kfree(adapter->rx_ring);
free_netdev(netdev);
netif_device_detach(netdev);
+ if (state == pci_channel_io_perm_failure)
+ return PCI_ERS_RESULT_DISCONNECT;
+
if (netif_running(netdev))
ixgbe_down(adapter);
pci_disable_device(pdev);
pci_ers_result_t result;
int err;
- if (pci_enable_device(pdev)) {
+ if (pci_enable_device_mem(pdev)) {
DPRINTK(PROBE, ERR,
"Cannot re-enable PCI device after reset.\n");
result = PCI_ERS_RESULT_DISCONNECT;
pci_set_master(pdev);
pci_restore_state(pdev);
- pci_enable_wake(pdev, PCI_D3hot, 0);
- pci_enable_wake(pdev, PCI_D3cold, 0);
+ pci_wake_from_d3(pdev, false);
ixgbe_reset(adapter);
IXGBE_WRITE_REG(&adapter->hw, IXGBE_WUS, ~0);
projects / karo-tx-linux.git / blobdiff