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Diffstat (limited to 'drivers/net/ixgbe')
-rw-r--r--drivers/net/ixgbe/ixgbe_82598.c3
-rw-r--r--drivers/net/ixgbe/ixgbe_common.c3
-rw-r--r--drivers/net/ixgbe/ixgbe_common.h9
-rw-r--r--drivers/net/ixgbe/ixgbe_dcb_nl.c6
-rw-r--r--drivers/net/ixgbe/ixgbe_ethtool.c129
-rw-r--r--drivers/net/ixgbe/ixgbe_main.c110
-rw-r--r--drivers/net/ixgbe/ixgbe_type.h1
7 files changed, 160 insertions, 101 deletions
diff --git a/drivers/net/ixgbe/ixgbe_82598.c b/drivers/net/ixgbe/ixgbe_82598.c
index ed265a7a898..de4db0dc787 100644
--- a/drivers/net/ixgbe/ixgbe_82598.c
+++ b/drivers/net/ixgbe/ixgbe_82598.c
@@ -411,7 +411,8 @@ static s32 ixgbe_setup_fc_82598(struct ixgbe_hw *hw, s32 packetbuf_num)
/* Decide whether to use autoneg or not. */
hw->mac.ops.check_link(hw, &speed, &link_up, false);
- if (hw->phy.multispeed_fiber && (speed == IXGBE_LINK_SPEED_1GB_FULL))
+ if (!hw->fc.disable_fc_autoneg && hw->phy.multispeed_fiber &&
+ (speed == IXGBE_LINK_SPEED_1GB_FULL))
ret_val = ixgbe_fc_autoneg(hw);
if (ret_val)
diff --git a/drivers/net/ixgbe/ixgbe_common.c b/drivers/net/ixgbe/ixgbe_common.c
index 8cfd3fd309a..63ab6671d08 100644
--- a/drivers/net/ixgbe/ixgbe_common.c
+++ b/drivers/net/ixgbe/ixgbe_common.c
@@ -1937,7 +1937,8 @@ s32 ixgbe_setup_fc_generic(struct ixgbe_hw *hw, s32 packetbuf_num)
/* Decide whether to use autoneg or not. */
hw->mac.ops.check_link(hw, &speed, &link_up, false);
- if (hw->phy.multispeed_fiber && (speed == IXGBE_LINK_SPEED_1GB_FULL))
+ if (!hw->fc.disable_fc_autoneg && hw->phy.multispeed_fiber &&
+ (speed == IXGBE_LINK_SPEED_1GB_FULL))
ret_val = ixgbe_fc_autoneg(hw);
if (ret_val)
diff --git a/drivers/net/ixgbe/ixgbe_common.h b/drivers/net/ixgbe/ixgbe_common.h
index 7e94d6d399a..24f73e719c3 100644
--- a/drivers/net/ixgbe/ixgbe_common.h
+++ b/drivers/net/ixgbe/ixgbe_common.h
@@ -96,14 +96,11 @@ s32 ixgbe_write_analog_reg8_generic(struct ixgbe_hw *hw, u32 reg, u8 val);
#define IXGBE_WRITE_FLUSH(a) IXGBE_READ_REG(a, IXGBE_STATUS)
#ifdef DEBUG
+extern char *ixgbe_get_hw_dev_name(struct ixgbe_hw *hw);
#define hw_dbg(hw, format, arg...) \
-printk(KERN_DEBUG, "%s: " format, ixgbe_get_hw_dev_name(hw), ##arg);
+ printk(KERN_DEBUG "%s: " format, ixgbe_get_hw_dev_name(hw), ##arg)
#else
-static inline int __attribute__ ((format (printf, 2, 3)))
-hw_dbg(struct ixgbe_hw *hw, const char *format, ...)
-{
- return 0;
-}
+#define hw_dbg(hw, format, arg...) do {} while (0)
#endif
#endif /* IXGBE_COMMON */
diff --git a/drivers/net/ixgbe/ixgbe_dcb_nl.c b/drivers/net/ixgbe/ixgbe_dcb_nl.c
index 0a8731f1f23..bd0a0c27695 100644
--- a/drivers/net/ixgbe/ixgbe_dcb_nl.c
+++ b/drivers/net/ixgbe/ixgbe_dcb_nl.c
@@ -90,6 +90,8 @@ int ixgbe_copy_dcb_cfg(struct ixgbe_dcb_config *src_dcb_cfg,
src_dcb_cfg->tc_config[i - DCB_PFC_UP_ATTR_0].dcb_pfc;
}
+ dst_dcb_cfg->pfc_mode_enable = src_dcb_cfg->pfc_mode_enable;
+
return 0;
}
@@ -298,8 +300,10 @@ static void ixgbe_dcbnl_set_pfc_cfg(struct net_device *netdev, int priority,
adapter->temp_dcb_cfg.tc_config[priority].dcb_pfc = setting;
if (adapter->temp_dcb_cfg.tc_config[priority].dcb_pfc !=
- adapter->dcb_cfg.tc_config[priority].dcb_pfc)
+ adapter->dcb_cfg.tc_config[priority].dcb_pfc) {
adapter->dcb_set_bitmap |= BIT_PFC;
+ adapter->temp_dcb_cfg.pfc_mode_enable = true;
+ }
}
static void ixgbe_dcbnl_get_pfc_cfg(struct net_device *netdev, int priority,
diff --git a/drivers/net/ixgbe/ixgbe_ethtool.c b/drivers/net/ixgbe/ixgbe_ethtool.c
index 18ecba7f6ec..aafc120f164 100644
--- a/drivers/net/ixgbe/ixgbe_ethtool.c
+++ b/drivers/net/ixgbe/ixgbe_ethtool.c
@@ -129,6 +129,15 @@ static int ixgbe_get_settings(struct net_device *netdev,
ecmd->advertising |= ADVERTISED_10000baseT_Full;
if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_1GB_FULL)
ecmd->advertising |= ADVERTISED_1000baseT_Full;
+ /*
+ * It's possible that phy.autoneg_advertised may not be
+ * set yet. If so display what the default would be -
+ * both 1G and 10G supported.
+ */
+ if (!(ecmd->advertising & (ADVERTISED_1000baseT_Full |
+ ADVERTISED_10000baseT_Full)))
+ ecmd->advertising |= (ADVERTISED_10000baseT_Full |
+ ADVERTISED_1000baseT_Full);
ecmd->port = PORT_TP;
} else if (hw->phy.media_type == ixgbe_media_type_backplane) {
@@ -225,7 +234,16 @@ static void ixgbe_get_pauseparam(struct net_device *netdev,
struct ixgbe_adapter *adapter = netdev_priv(netdev);
struct ixgbe_hw *hw = &adapter->hw;
- pause->autoneg = (hw->fc.current_mode == ixgbe_fc_full ? 1 : 0);
+ /*
+ * Flow Control Autoneg isn't on if
+ * - we didn't ask for it OR
+ * - it failed, we know this by tx & rx being off
+ */
+ if (hw->fc.disable_fc_autoneg ||
+ (hw->fc.current_mode == ixgbe_fc_none))
+ pause->autoneg = 0;
+ else
+ pause->autoneg = 1;
if (hw->fc.current_mode == ixgbe_fc_rx_pause) {
pause->rx_pause = 1;
@@ -243,8 +261,12 @@ static int ixgbe_set_pauseparam(struct net_device *netdev,
struct ixgbe_adapter *adapter = netdev_priv(netdev);
struct ixgbe_hw *hw = &adapter->hw;
- if ((pause->autoneg == AUTONEG_ENABLE) ||
- (pause->rx_pause && pause->tx_pause))
+ if (pause->autoneg != AUTONEG_ENABLE)
+ hw->fc.disable_fc_autoneg = true;
+ else
+ hw->fc.disable_fc_autoneg = false;
+
+ if (pause->rx_pause && pause->tx_pause)
hw->fc.requested_mode = ixgbe_fc_full;
else if (pause->rx_pause && !pause->tx_pause)
hw->fc.requested_mode = ixgbe_fc_rx_pause;
@@ -712,9 +734,10 @@ static int ixgbe_set_ringparam(struct net_device *netdev,
struct ethtool_ringparam *ring)
{
struct ixgbe_adapter *adapter = netdev_priv(netdev);
- struct ixgbe_ring *temp_ring;
+ struct ixgbe_ring *temp_tx_ring, *temp_rx_ring;
int i, err;
u32 new_rx_count, new_tx_count;
+ bool need_update = false;
if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
return -EINVAL;
@@ -733,80 +756,94 @@ static int ixgbe_set_ringparam(struct net_device *netdev,
return 0;
}
- temp_ring = kcalloc(adapter->num_tx_queues,
- sizeof(struct ixgbe_ring), GFP_KERNEL);
- if (!temp_ring)
- return -ENOMEM;
-
while (test_and_set_bit(__IXGBE_RESETTING, &adapter->state))
msleep(1);
- if (new_tx_count != adapter->tx_ring->count) {
+ temp_tx_ring = kcalloc(adapter->num_tx_queues,
+ sizeof(struct ixgbe_ring), GFP_KERNEL);
+ if (!temp_tx_ring) {
+ err = -ENOMEM;
+ goto err_setup;
+ }
+
+ if (new_tx_count != adapter->tx_ring_count) {
+ memcpy(temp_tx_ring, adapter->tx_ring,
+ adapter->num_tx_queues * sizeof(struct ixgbe_ring));
for (i = 0; i < adapter->num_tx_queues; i++) {
- temp_ring[i].count = new_tx_count;
- err = ixgbe_setup_tx_resources(adapter, &temp_ring[i]);
+ temp_tx_ring[i].count = new_tx_count;
+ err = ixgbe_setup_tx_resources(adapter,
+ &temp_tx_ring[i]);
if (err) {
while (i) {
i--;
ixgbe_free_tx_resources(adapter,
- &temp_ring[i]);
+ &temp_tx_ring[i]);
}
goto err_setup;
}
- temp_ring[i].v_idx = adapter->tx_ring[i].v_idx;
+ temp_tx_ring[i].v_idx = adapter->tx_ring[i].v_idx;
}
- if (netif_running(netdev))
- netdev->netdev_ops->ndo_stop(netdev);
- ixgbe_reset_interrupt_capability(adapter);
- ixgbe_napi_del_all(adapter);
- INIT_LIST_HEAD(&netdev->napi_list);
- kfree(adapter->tx_ring);
- adapter->tx_ring = temp_ring;
- temp_ring = NULL;
- adapter->tx_ring_count = new_tx_count;
+ need_update = true;
}
- temp_ring = kcalloc(adapter->num_rx_queues,
- sizeof(struct ixgbe_ring), GFP_KERNEL);
- if (!temp_ring) {
- if (netif_running(netdev))
- netdev->netdev_ops->ndo_open(netdev);
- return -ENOMEM;
+ temp_rx_ring = kcalloc(adapter->num_rx_queues,
+ sizeof(struct ixgbe_ring), GFP_KERNEL);
+ if ((!temp_rx_ring) && (need_update)) {
+ for (i = 0; i < adapter->num_tx_queues; i++)
+ ixgbe_free_tx_resources(adapter, &temp_tx_ring[i]);
+ kfree(temp_tx_ring);
+ err = -ENOMEM;
+ goto err_setup;
}
- if (new_rx_count != adapter->rx_ring->count) {
+ if (new_rx_count != adapter->rx_ring_count) {
+ memcpy(temp_rx_ring, adapter->rx_ring,
+ adapter->num_rx_queues * sizeof(struct ixgbe_ring));
for (i = 0; i < adapter->num_rx_queues; i++) {
- temp_ring[i].count = new_rx_count;
- err = ixgbe_setup_rx_resources(adapter, &temp_ring[i]);
+ temp_rx_ring[i].count = new_rx_count;
+ err = ixgbe_setup_rx_resources(adapter,
+ &temp_rx_ring[i]);
if (err) {
while (i) {
i--;
ixgbe_free_rx_resources(adapter,
- &temp_ring[i]);
+ &temp_rx_ring[i]);
}
goto err_setup;
}
- temp_ring[i].v_idx = adapter->rx_ring[i].v_idx;
+ temp_rx_ring[i].v_idx = adapter->rx_ring[i].v_idx;
}
+ need_update = true;
+ }
+
+ /* if rings need to be updated, here's the place to do it in one shot */
+ if (need_update) {
if (netif_running(netdev))
- netdev->netdev_ops->ndo_stop(netdev);
- ixgbe_reset_interrupt_capability(adapter);
- ixgbe_napi_del_all(adapter);
- INIT_LIST_HEAD(&netdev->napi_list);
- kfree(adapter->rx_ring);
- adapter->rx_ring = temp_ring;
- temp_ring = NULL;
-
- adapter->rx_ring_count = new_rx_count;
+ ixgbe_down(adapter);
+
+ /* tx */
+ if (new_tx_count != adapter->tx_ring_count) {
+ kfree(adapter->tx_ring);
+ adapter->tx_ring = temp_tx_ring;
+ temp_tx_ring = NULL;
+ adapter->tx_ring_count = new_tx_count;
+ }
+
+ /* rx */
+ if (new_rx_count != adapter->rx_ring_count) {
+ kfree(adapter->rx_ring);
+ adapter->rx_ring = temp_rx_ring;
+ temp_rx_ring = NULL;
+ adapter->rx_ring_count = new_rx_count;
+ }
}
/* success! */
err = 0;
-err_setup:
- ixgbe_init_interrupt_scheme(adapter);
if (netif_running(netdev))
- netdev->netdev_ops->ndo_open(netdev);
+ ixgbe_up(adapter);
+err_setup:
clear_bit(__IXGBE_RESETTING, &adapter->state);
return err;
}
diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c
index 79aa811c403..286ecc0e6ab 100644
--- a/drivers/net/ixgbe/ixgbe_main.c
+++ b/drivers/net/ixgbe/ixgbe_main.c
@@ -187,15 +187,14 @@ static void ixgbe_unmap_and_free_tx_resource(struct ixgbe_adapter *adapter,
struct ixgbe_tx_buffer
*tx_buffer_info)
{
- if (tx_buffer_info->dma) {
- pci_unmap_page(adapter->pdev, tx_buffer_info->dma,
- tx_buffer_info->length, PCI_DMA_TODEVICE);
- tx_buffer_info->dma = 0;
- }
+ tx_buffer_info->dma = 0;
if (tx_buffer_info->skb) {
+ skb_dma_unmap(&adapter->pdev->dev, tx_buffer_info->skb,
+ DMA_TO_DEVICE);
dev_kfree_skb_any(tx_buffer_info->skb);
tx_buffer_info->skb = NULL;
}
+ tx_buffer_info->time_stamp = 0;
/* tx_buffer_info must be completely set up in the transmit path */
}
@@ -204,15 +203,11 @@ static inline bool ixgbe_check_tx_hang(struct ixgbe_adapter *adapter,
unsigned int eop)
{
struct ixgbe_hw *hw = &adapter->hw;
- u32 head, tail;
/* Detect a transmit hang in hardware, this serializes the
* check with the clearing of time_stamp and movement of eop */
- head = IXGBE_READ_REG(hw, tx_ring->head);
- tail = IXGBE_READ_REG(hw, tx_ring->tail);
adapter->detect_tx_hung = false;
- if ((head != tail) &&
- tx_ring->tx_buffer_info[eop].time_stamp &&
+ if (tx_ring->tx_buffer_info[eop].time_stamp &&
time_after(jiffies, tx_ring->tx_buffer_info[eop].time_stamp + HZ) &&
!(IXGBE_READ_REG(&adapter->hw, IXGBE_TFCS) & IXGBE_TFCS_TXOFF)) {
/* detected Tx unit hang */
@@ -227,7 +222,8 @@ static inline bool ixgbe_check_tx_hang(struct ixgbe_adapter *adapter,
" time_stamp <%lx>\n"
" jiffies <%lx>\n",
tx_ring->queue_index,
- head, tail,
+ IXGBE_READ_REG(hw, tx_ring->head),
+ IXGBE_READ_REG(hw, tx_ring->tail),
tx_ring->next_to_use, eop,
tx_ring->tx_buffer_info[eop].time_stamp, jiffies);
return true;
@@ -2934,6 +2930,7 @@ err_tx_ring_allocation:
**/
static int ixgbe_set_interrupt_capability(struct ixgbe_adapter *adapter)
{
+ struct ixgbe_hw *hw = &adapter->hw;
int err = 0;
int vector, v_budget;
@@ -2948,12 +2945,12 @@ static int ixgbe_set_interrupt_capability(struct ixgbe_adapter *adapter)
/*
* At the same time, hardware can only support a maximum of
- * MAX_MSIX_COUNT vectors. With features such as RSS and VMDq,
- * we can easily reach upwards of 64 Rx descriptor queues and
- * 32 Tx queues. Thus, we cap it off in those rare cases where
- * the cpu count also exceeds our vector limit.
+ * hw.mac->max_msix_vectors vectors. With features
+ * such as RSS and VMDq, we can easily surpass the number of Rx and Tx
+ * descriptor queues supported by our device. Thus, we cap it off in
+ * those rare cases where the cpu count also exceeds our vector limit.
*/
- v_budget = min(v_budget, MAX_MSIX_COUNT);
+ v_budget = min(v_budget, (int)hw->mac.max_msix_vectors);
/* A failure in MSI-X entry allocation isn't fatal, but it does
* mean we disable MSI-X capabilities of the adapter. */
@@ -3169,11 +3166,13 @@ static int __devinit ixgbe_sw_init(struct ixgbe_adapter *adapter)
#endif
/* default flow control settings */
- hw->fc.requested_mode = ixgbe_fc_none;
+ hw->fc.requested_mode = ixgbe_fc_full;
+ hw->fc.current_mode = ixgbe_fc_full; /* init for ethtool output */
hw->fc.high_water = IXGBE_DEFAULT_FCRTH;
hw->fc.low_water = IXGBE_DEFAULT_FCRTL;
hw->fc.pause_time = IXGBE_DEFAULT_FCPAUSE;
hw->fc.send_xon = true;
+ hw->fc.disable_fc_autoneg = false;
/* enable itr by default in dynamic mode */
adapter->itr_setting = 1;
@@ -3489,10 +3488,10 @@ err_up:
ixgbe_release_hw_control(adapter);
ixgbe_free_irq(adapter);
err_req_irq:
- ixgbe_free_all_rx_resources(adapter);
err_setup_rx:
- ixgbe_free_all_tx_resources(adapter);
+ ixgbe_free_all_rx_resources(adapter);
err_setup_tx:
+ ixgbe_free_all_tx_resources(adapter);
ixgbe_reset(adapter);
return err;
@@ -4163,32 +4162,39 @@ static int ixgbe_tx_map(struct ixgbe_adapter *adapter,
struct sk_buff *skb, unsigned int first)
{
struct ixgbe_tx_buffer *tx_buffer_info;
- unsigned int len = skb->len;
+ unsigned int len = skb_headlen(skb);
unsigned int offset = 0, size, count = 0, i;
unsigned int nr_frags = skb_shinfo(skb)->nr_frags;
unsigned int f;
-
- len -= skb->data_len;
+ dma_addr_t *map;
i = tx_ring->next_to_use;
+ if (skb_dma_map(&adapter->pdev->dev, skb, DMA_TO_DEVICE)) {
+ dev_err(&adapter->pdev->dev, "TX DMA map failed\n");
+ return 0;
+ }
+
+ map = skb_shinfo(skb)->dma_maps;
+
while (len) {
tx_buffer_info = &tx_ring->tx_buffer_info[i];
size = min(len, (uint)IXGBE_MAX_DATA_PER_TXD);
tx_buffer_info->length = size;
- tx_buffer_info->dma = pci_map_single(adapter->pdev,
- skb->data + offset,
- size, PCI_DMA_TODEVICE);
+ tx_buffer_info->dma = map[0] + offset;
tx_buffer_info->time_stamp = jiffies;
tx_buffer_info->next_to_watch = i;
len -= size;
offset += size;
count++;
- i++;
- if (i == tx_ring->count)
- i = 0;
+
+ if (len) {
+ i++;
+ if (i == tx_ring->count)
+ i = 0;
+ }
}
for (f = 0; f < nr_frags; f++) {
@@ -4196,33 +4202,27 @@ static int ixgbe_tx_map(struct ixgbe_adapter *adapter,
frag = &skb_shinfo(skb)->frags[f];
len = frag->size;
- offset = frag->page_offset;
+ offset = 0;
while (len) {
+ i++;
+ if (i == tx_ring->count)
+ i = 0;
+
tx_buffer_info = &tx_ring->tx_buffer_info[i];
size = min(len, (uint)IXGBE_MAX_DATA_PER_TXD);
tx_buffer_info->length = size;
- tx_buffer_info->dma = pci_map_page(adapter->pdev,
- frag->page,
- offset,
- size,
- PCI_DMA_TODEVICE);
+ tx_buffer_info->dma = map[f + 1] + offset;
tx_buffer_info->time_stamp = jiffies;
tx_buffer_info->next_to_watch = i;
len -= size;
offset += size;
count++;
- i++;
- if (i == tx_ring->count)
- i = 0;
}
}
- if (i == 0)
- i = tx_ring->count - 1;
- else
- i = i - 1;
+
tx_ring->tx_buffer_info[i].skb = skb;
tx_ring->tx_buffer_info[first].next_to_watch = i;
@@ -4388,13 +4388,19 @@ static int ixgbe_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
(skb->ip_summed == CHECKSUM_PARTIAL))
tx_flags |= IXGBE_TX_FLAGS_CSUM;
- ixgbe_tx_queue(adapter, tx_ring, tx_flags,
- ixgbe_tx_map(adapter, tx_ring, skb, first),
- skb->len, hdr_len);
+ count = ixgbe_tx_map(adapter, tx_ring, skb, first);
- netdev->trans_start = jiffies;
+ if (count) {
+ ixgbe_tx_queue(adapter, tx_ring, tx_flags, count, skb->len,
+ hdr_len);
+ netdev->trans_start = jiffies;
+ ixgbe_maybe_stop_tx(netdev, tx_ring, DESC_NEEDED);
- ixgbe_maybe_stop_tx(netdev, tx_ring, DESC_NEEDED);
+ } else {
+ dev_kfree_skb_any(skb);
+ tx_ring->tx_buffer_info[first].time_stamp = 0;
+ tx_ring->next_to_use = first;
+ }
return NETDEV_TX_OK;
}
@@ -4987,8 +4993,20 @@ static int ixgbe_notify_dca(struct notifier_block *nb, unsigned long event,
return ret_val ? NOTIFY_BAD : NOTIFY_DONE;
}
+
#endif /* CONFIG_IXGBE_DCA */
+#ifdef DEBUG
+/**
+ * ixgbe_get_hw_dev_name - return device name string
+ * used by hardware layer to print debugging information
+ **/
+char *ixgbe_get_hw_dev_name(struct ixgbe_hw *hw)
+{
+ struct ixgbe_adapter *adapter = hw->back;
+ return adapter->netdev->name;
+}
+#endif
module_exit(ixgbe_exit_module);
/* ixgbe_main.c */
diff --git a/drivers/net/ixgbe/ixgbe_type.h b/drivers/net/ixgbe/ixgbe_type.h
index 2b2ecba7b60..030ff0a9ea6 100644
--- a/drivers/net/ixgbe/ixgbe_type.h
+++ b/drivers/net/ixgbe/ixgbe_type.h
@@ -2005,6 +2005,7 @@ struct ixgbe_fc_info {
u16 pause_time; /* Flow Control Pause timer */
bool send_xon; /* Flow control send XON */
bool strict_ieee; /* Strict IEEE mode */
+ bool disable_fc_autoneg; /* Turn off autoneg FC mode */
enum ixgbe_fc_mode current_mode; /* FC mode in effect */
enum ixgbe_fc_mode requested_mode; /* FC mode requested by caller */
};
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-30 16:50:58 +0000