aboutsummaryrefslogtreecommitdiff
path: root/drivers/net/ixgbe/ixgbe_main.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/ixgbe/ixgbe_main.c')
-rw-r--r--drivers/net/ixgbe/ixgbe_main.c176
1 files changed, 94 insertions, 82 deletions
diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c
index 52d7f19de43..45bf8b9716e 100644
--- a/drivers/net/ixgbe/ixgbe_main.c
+++ b/drivers/net/ixgbe/ixgbe_main.c
@@ -494,12 +494,12 @@ static void ixgbe_receive_skb(struct ixgbe_q_vector *q_vector,
skb_record_rx_queue(skb, ring->queue_index);
if (!(adapter->flags & IXGBE_FLAG_IN_NETPOLL)) {
- if (adapter->vlgrp && is_vlan && (tag != 0))
+ if (adapter->vlgrp && is_vlan && (tag & VLAN_VID_MASK))
vlan_gro_receive(napi, adapter->vlgrp, tag, skb);
else
napi_gro_receive(napi, skb);
} else {
- if (adapter->vlgrp && is_vlan && (tag != 0))
+ if (adapter->vlgrp && is_vlan && (tag & VLAN_VID_MASK))
vlan_hwaccel_rx(skb, adapter->vlgrp, tag);
else
netif_rx(skb);
@@ -587,7 +587,7 @@ static void ixgbe_alloc_rx_buffers(struct ixgbe_adapter *adapter,
rx_desc = IXGBE_RX_DESC_ADV(*rx_ring, i);
if (!bi->page_dma &&
- (adapter->flags & IXGBE_FLAG_RX_PS_ENABLED)) {
+ (rx_ring->flags & IXGBE_RING_RX_PS_ENABLED)) {
if (!bi->page) {
bi->page = alloc_page(GFP_ATOMIC);
if (!bi->page) {
@@ -631,7 +631,7 @@ static void ixgbe_alloc_rx_buffers(struct ixgbe_adapter *adapter,
}
/* Refresh the desc even if buffer_addrs didn't change because
* each write-back erases this info. */
- if (adapter->flags & IXGBE_FLAG_RX_PS_ENABLED) {
+ if (rx_ring->flags & IXGBE_RING_RX_PS_ENABLED) {
rx_desc->read.pkt_addr = cpu_to_le64(bi->page_dma);
rx_desc->read.hdr_addr = cpu_to_le64(bi->dma);
} else {
@@ -728,7 +728,7 @@ static bool ixgbe_clean_rx_irq(struct ixgbe_q_vector *q_vector,
break;
(*work_done)++;
- if (adapter->flags & IXGBE_FLAG_RX_PS_ENABLED) {
+ if (rx_ring->flags & IXGBE_RING_RX_PS_ENABLED) {
hdr_info = le16_to_cpu(ixgbe_get_hdr_info(rx_desc));
len = (hdr_info & IXGBE_RXDADV_HDRBUFLEN_MASK) >>
IXGBE_RXDADV_HDRBUFLEN_SHIFT;
@@ -800,7 +800,7 @@ static bool ixgbe_clean_rx_irq(struct ixgbe_q_vector *q_vector,
rx_ring->stats.packets++;
rx_ring->stats.bytes += skb->len;
} else {
- if (adapter->flags & IXGBE_FLAG_RX_PS_ENABLED) {
+ if (rx_ring->flags & IXGBE_RING_RX_PS_ENABLED) {
rx_buffer_info->skb = next_buffer->skb;
rx_buffer_info->dma = next_buffer->dma;
next_buffer->skb = skb;
@@ -1900,46 +1900,19 @@ static void ixgbe_configure_tx(struct ixgbe_adapter *adapter)
#define IXGBE_SRRCTL_BSIZEHDRSIZE_SHIFT 2
-static void ixgbe_configure_srrctl(struct ixgbe_adapter *adapter, int index)
+static void ixgbe_configure_srrctl(struct ixgbe_adapter *adapter,
+ struct ixgbe_ring *rx_ring)
{
- struct ixgbe_ring *rx_ring;
u32 srrctl;
- int queue0 = 0;
- unsigned long mask;
+ int index;
struct ixgbe_ring_feature *feature = adapter->ring_feature;
- if (adapter->hw.mac.type == ixgbe_mac_82599EB) {
- if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) {
- int dcb_i = 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 {
+ index = rx_ring->reg_idx;
+ if (adapter->hw.mac.type == ixgbe_mac_82598EB) {
+ unsigned long mask;
mask = (unsigned long) feature[RING_F_RSS].mask;
- queue0 = index & mask;
index = index & mask;
}
-
- rx_ring = &adapter->rx_ring[queue0];
-
srrctl = IXGBE_READ_REG(&adapter->hw, IXGBE_SRRCTL(index));
srrctl &= ~IXGBE_SRRCTL_BSIZEHDR_MASK;
@@ -1948,7 +1921,7 @@ static void ixgbe_configure_srrctl(struct ixgbe_adapter *adapter, int index)
srrctl |= (IXGBE_RX_HDR_SIZE << IXGBE_SRRCTL_BSIZEHDRSIZE_SHIFT) &
IXGBE_SRRCTL_BSIZEHDR_MASK;
- if (adapter->flags & IXGBE_FLAG_RX_PS_ENABLED) {
+ if (rx_ring->flags & IXGBE_RING_RX_PS_ENABLED) {
#if (PAGE_SIZE / 2) > IXGBE_MAX_RXBUFFER
srrctl |= IXGBE_MAX_RXBUFFER >> IXGBE_SRRCTL_BSIZEPKT_SHIFT;
#else
@@ -2004,6 +1977,7 @@ static void ixgbe_configure_rx(struct ixgbe_adapter *adapter)
{
u64 rdba;
struct ixgbe_hw *hw = &adapter->hw;
+ struct ixgbe_ring *rx_ring;
struct net_device *netdev = adapter->netdev;
int max_frame = netdev->mtu + ETH_HLEN + ETH_FCS_LEN;
int i, j;
@@ -2020,11 +1994,6 @@ static void ixgbe_configure_rx(struct ixgbe_adapter *adapter)
/* 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;
@@ -2057,7 +2026,7 @@ static void ixgbe_configure_rx(struct ixgbe_adapter *adapter)
else
hlreg0 |= IXGBE_HLREG0_JUMBOEN;
#ifdef IXGBE_FCOE
- if (adapter->flags & IXGBE_FLAG_FCOE_ENABLED)
+ if (netdev->features & NETIF_F_FCOE_MTU)
hlreg0 |= IXGBE_HLREG0_JUMBOEN;
#endif
IXGBE_WRITE_REG(hw, IXGBE_HLREG0, hlreg0);
@@ -2072,29 +2041,35 @@ static void ixgbe_configure_rx(struct ixgbe_adapter *adapter)
* the Base and Length of the Rx Descriptor Ring
*/
for (i = 0; i < adapter->num_rx_queues; i++) {
- rdba = adapter->rx_ring[i].dma;
- j = adapter->rx_ring[i].reg_idx;
+ rx_ring = &adapter->rx_ring[i];
+ rdba = rx_ring->dma;
+ j = rx_ring->reg_idx;
IXGBE_WRITE_REG(hw, IXGBE_RDBAL(j), (rdba & DMA_BIT_MASK(32)));
IXGBE_WRITE_REG(hw, IXGBE_RDBAH(j), (rdba >> 32));
IXGBE_WRITE_REG(hw, IXGBE_RDLEN(j), rdlen);
IXGBE_WRITE_REG(hw, IXGBE_RDH(j), 0);
IXGBE_WRITE_REG(hw, IXGBE_RDT(j), 0);
- adapter->rx_ring[i].head = IXGBE_RDH(j);
- adapter->rx_ring[i].tail = IXGBE_RDT(j);
- adapter->rx_ring[i].rx_buf_len = rx_buf_len;
+ rx_ring->head = IXGBE_RDH(j);
+ rx_ring->tail = IXGBE_RDT(j);
+ rx_ring->rx_buf_len = rx_buf_len;
+
+ if (adapter->flags & IXGBE_FLAG_RX_PS_ENABLED)
+ rx_ring->flags |= IXGBE_RING_RX_PS_ENABLED;
#ifdef IXGBE_FCOE
- if (adapter->flags & IXGBE_FLAG_FCOE_ENABLED) {
+ if (netdev->features & NETIF_F_FCOE_MTU) {
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;
+ if ((i >= f->mask) && (i < f->mask + f->indices)) {
+ rx_ring->flags &= ~IXGBE_RING_RX_PS_ENABLED;
+ if (rx_buf_len < IXGBE_FCOE_JUMBO_FRAME_SIZE)
+ rx_ring->rx_buf_len =
+ IXGBE_FCOE_JUMBO_FRAME_SIZE;
+ }
}
#endif /* IXGBE_FCOE */
- ixgbe_configure_srrctl(adapter, j);
+ ixgbe_configure_srrctl(adapter, rx_ring);
}
if (hw->mac.type == ixgbe_mac_82598EB) {
@@ -2170,7 +2145,8 @@ static void ixgbe_configure_rx(struct ixgbe_adapter *adapter)
if (adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED) {
/* Enable 82599 HW-RSC */
for (i = 0; i < adapter->num_rx_queues; i++) {
- j = adapter->rx_ring[i].reg_idx;
+ rx_ring = &adapter->rx_ring[i];
+ j = rx_ring->reg_idx;
rscctrl = IXGBE_READ_REG(hw, IXGBE_RSCCTL(j));
rscctrl |= IXGBE_RSCCTL_RSCEN;
/*
@@ -2178,7 +2154,7 @@ static void ixgbe_configure_rx(struct ixgbe_adapter *adapter)
* total size of max desc * buf_len is not greater
* than 65535
*/
- if (adapter->flags & IXGBE_FLAG_RX_PS_ENABLED) {
+ if (rx_ring->flags & IXGBE_RING_RX_PS_ENABLED) {
#if (MAX_SKB_FRAGS > 16)
rscctrl |= IXGBE_RSCCTL_MAXDESC_16;
#elif (MAX_SKB_FRAGS > 8)
@@ -2540,7 +2516,7 @@ static void ixgbe_sfp_link_config(struct ixgbe_adapter *adapter)
static int ixgbe_non_sfp_link_config(struct ixgbe_hw *hw)
{
u32 autoneg;
- bool link_up = false;
+ bool negotiation, link_up = false;
u32 ret = IXGBE_ERR_LINK_SETUP;
if (hw->mac.ops.check_link)
@@ -2550,13 +2526,12 @@ static int ixgbe_non_sfp_link_config(struct ixgbe_hw *hw)
goto link_cfg_out;
if (hw->mac.ops.get_link_capabilities)
- ret = hw->mac.ops.get_link_capabilities(hw, &autoneg,
- &hw->mac.autoneg);
+ ret = hw->mac.ops.get_link_capabilities(hw, &autoneg, &negotiation);
if (ret)
goto link_cfg_out;
- if (hw->mac.ops.setup_link_speed)
- ret = hw->mac.ops.setup_link_speed(hw, autoneg, true, link_up);
+ if (hw->mac.ops.setup_link)
+ ret = hw->mac.ops.setup_link(hw, autoneg, negotiation, link_up);
link_cfg_out:
return ret;
}
@@ -2633,7 +2608,7 @@ static int ixgbe_up_complete(struct ixgbe_adapter *adapter)
#ifdef IXGBE_FCOE
/* adjust max frame to be able to do baby jumbo for FCoE */
- if ((adapter->flags & IXGBE_FLAG_FCOE_ENABLED) &&
+ if ((netdev->features & NETIF_F_FCOE_MTU) &&
(max_frame < IXGBE_FCOE_JUMBO_FRAME_SIZE))
max_frame = IXGBE_FCOE_JUMBO_FRAME_SIZE;
@@ -3138,14 +3113,16 @@ static inline bool ixgbe_set_fcoe_queues(struct ixgbe_adapter *adapter)
f->indices = min((int)num_online_cpus(), f->indices);
if (adapter->flags & IXGBE_FLAG_FCOE_ENABLED) {
+ adapter->num_rx_queues = 1;
+ adapter->num_tx_queues = 1;
#ifdef CONFIG_IXGBE_DCB
if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) {
- DPRINTK(PROBE, INFO, "FCOE enabled with DCB \n");
+ 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");
+ DPRINTK(PROBE, INFO, "FCoE enabled with RSS \n");
if ((adapter->flags & IXGBE_FLAG_FDIR_HASH_CAPABLE) ||
(adapter->flags & IXGBE_FLAG_FDIR_PERFECT_CAPABLE))
ixgbe_set_fdir_queues(adapter);
@@ -3155,8 +3132,7 @@ static inline bool ixgbe_set_fcoe_queues(struct ixgbe_adapter *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;
+ adapter->num_tx_queues += f->indices;
ret = true;
}
@@ -3396,15 +3372,36 @@ static bool inline ixgbe_cache_ring_fdir(struct ixgbe_adapter *adapter)
*/
static inline bool ixgbe_cache_ring_fcoe(struct ixgbe_adapter *adapter)
{
- int i, fcoe_i = 0;
+ int i, fcoe_rx_i = 0, fcoe_tx_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) {
+ struct ixgbe_fcoe *fcoe = &adapter->fcoe;
+
ixgbe_cache_ring_dcb(adapter);
- fcoe_i = adapter->rx_ring[0].reg_idx + 1;
+ /* find out queues in TC for FCoE */
+ fcoe_rx_i = adapter->rx_ring[fcoe->tc].reg_idx + 1;
+ fcoe_tx_i = adapter->tx_ring[fcoe->tc].reg_idx + 1;
+ /*
+ * In 82599, the number of Tx queues for each traffic
+ * class for both 8-TC and 4-TC modes are:
+ * TCs : TC0 TC1 TC2 TC3 TC4 TC5 TC6 TC7
+ * 8 TCs: 32 32 16 16 8 8 8 8
+ * 4 TCs: 64 64 32 32
+ * We have max 8 queues for FCoE, where 8 the is
+ * FCoE redirection table size. If TC for FCoE is
+ * less than or equal to TC3, we have enough queues
+ * to add max of 8 queues for FCoE, so we start FCoE
+ * tx descriptor from the next one, i.e., reg_idx + 1.
+ * If TC for FCoE is above TC3, implying 8 TC mode,
+ * and we need 8 for FCoE, we have to take all queues
+ * in that traffic class for FCoE.
+ */
+ if ((f->indices == IXGBE_FCRETA_SIZE) && (fcoe->tc > 3))
+ fcoe_tx_i--;
}
#endif /* CONFIG_IXGBE_DCB */
if (adapter->flags & IXGBE_FLAG_RSS_ENABLED) {
@@ -3414,10 +3411,13 @@ static inline bool ixgbe_cache_ring_fcoe(struct ixgbe_adapter *adapter)
else
ixgbe_cache_ring_rss(adapter);
- fcoe_i = f->mask;
+ fcoe_rx_i = f->mask;
+ fcoe_tx_i = f->mask;
+ }
+ for (i = 0; i < f->indices; i++, fcoe_rx_i++, fcoe_tx_i++) {
+ adapter->rx_ring[f->mask + i].reg_idx = fcoe_rx_i;
+ adapter->tx_ring[f->mask + i].reg_idx = fcoe_tx_i;
}
- for (i = 0; i < f->indices; i++, fcoe_i++)
- adapter->rx_ring[f->mask + i].reg_idx = fcoe_i;
ret = true;
}
return ret;
@@ -3639,7 +3639,7 @@ static void ixgbe_free_q_vectors(struct ixgbe_adapter *adapter)
}
}
-void ixgbe_reset_interrupt_capability(struct ixgbe_adapter *adapter)
+static void ixgbe_reset_interrupt_capability(struct ixgbe_adapter *adapter)
{
if (adapter->flags & IXGBE_FLAG_MSIX_ENABLED) {
adapter->flags &= ~IXGBE_FLAG_MSIX_ENABLED;
@@ -3825,6 +3825,8 @@ static int __devinit ixgbe_sw_init(struct ixgbe_adapter *adapter)
adapter->flags |= IXGBE_FLAG_FCOE_CAPABLE;
adapter->flags &= ~IXGBE_FLAG_FCOE_ENABLED;
adapter->ring_feature[RING_F_FCOE].indices = 0;
+ /* Default traffic class to use for FCoE */
+ adapter->fcoe.tc = IXGBE_FCOE_DEFTC;
#endif /* IXGBE_FCOE */
}
@@ -4539,14 +4541,14 @@ static void ixgbe_multispeed_fiber_task(struct work_struct *work)
multispeed_fiber_task);
struct ixgbe_hw *hw = &adapter->hw;
u32 autoneg;
+ bool negotiation;
adapter->flags |= IXGBE_FLAG_IN_SFP_LINK_TASK;
autoneg = hw->phy.autoneg_advertised;
if ((!autoneg) && (hw->mac.ops.get_link_capabilities))
- hw->mac.ops.get_link_capabilities(hw, &autoneg,
- &hw->mac.autoneg);
- if (hw->mac.ops.setup_link_speed)
- hw->mac.ops.setup_link_speed(hw, autoneg, true, true);
+ hw->mac.ops.get_link_capabilities(hw, &autoneg, &negotiation);
+ if (hw->mac.ops.setup_link)
+ hw->mac.ops.setup_link(hw, autoneg, negotiation, true);
adapter->flags |= IXGBE_FLAG_NEED_LINK_UPDATE;
adapter->flags &= ~IXGBE_FLAG_IN_SFP_LINK_TASK;
}
@@ -5131,7 +5133,8 @@ static u16 ixgbe_select_queue(struct net_device *dev, struct sk_buff *skb)
return skb_tx_hash(dev, skb);
}
-static int ixgbe_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
+static netdev_tx_t ixgbe_xmit_frame(struct sk_buff *skb,
+ struct net_device *netdev)
{
struct ixgbe_adapter *adapter = netdev_priv(netdev);
struct ixgbe_ring *tx_ring;
@@ -5165,9 +5168,15 @@ static int ixgbe_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
tx_ring = &adapter->tx_ring[r_idx];
if ((adapter->flags & IXGBE_FLAG_FCOE_ENABLED) &&
- (skb->protocol == htons(ETH_P_FCOE)))
+ (skb->protocol == htons(ETH_P_FCOE))) {
tx_flags |= IXGBE_TX_FLAGS_FCOE;
-
+#ifdef IXGBE_FCOE
+ r_idx = smp_processor_id();
+ r_idx &= (adapter->ring_feature[RING_F_FCOE].indices - 1);
+ r_idx += adapter->ring_feature[RING_F_FCOE].mask;
+ tx_ring = &adapter->tx_ring[r_idx];
+#endif
+ }
/* four things can cause us to need a context descriptor */
if (skb_is_gso(skb) ||
(skb->ip_summed == CHECKSUM_PARTIAL) ||
@@ -5400,6 +5409,8 @@ static const struct net_device_ops ixgbe_netdev_ops = {
#ifdef IXGBE_FCOE
.ndo_fcoe_ddp_setup = ixgbe_fcoe_ddp_get,
.ndo_fcoe_ddp_done = ixgbe_fcoe_ddp_put,
+ .ndo_fcoe_enable = ixgbe_fcoe_enable,
+ .ndo_fcoe_disable = ixgbe_fcoe_disable,
#endif /* IXGBE_FCOE */
};
@@ -5599,6 +5610,7 @@ static int __devinit ixgbe_probe(struct pci_dev *pdev,
netdev->vlan_features |= NETIF_F_TSO;
netdev->vlan_features |= NETIF_F_TSO6;
netdev->vlan_features |= NETIF_F_IP_CSUM;
+ netdev->vlan_features |= NETIF_F_IPV6_CSUM;
netdev->vlan_features |= NETIF_F_SG;
if (adapter->flags & IXGBE_FLAG_DCB_ENABLED)