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path: root/drivers/net/igb/igb_main.c
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Diffstat (limited to 'drivers/net/igb/igb_main.c')
-rw-r--r--drivers/net/igb/igb_main.c85
1 files changed, 35 insertions, 50 deletions
diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c
index d4eb8e2d872..aaee02e9e3f 100644
--- a/drivers/net/igb/igb_main.c
+++ b/drivers/net/igb/igb_main.c
@@ -31,7 +31,6 @@
#include <linux/vmalloc.h>
#include <linux/pagemap.h>
#include <linux/netdevice.h>
-#include <linux/tcp.h>
#include <linux/ipv6.h>
#include <net/checksum.h>
#include <net/ip6_checksum.h>
@@ -439,7 +438,7 @@ static int igb_request_irq(struct igb_adapter *adapter)
err = igb_request_msix(adapter);
if (!err) {
/* enable IAM, auto-mask,
- * DO NOT USE EIAME or IAME in legacy mode */
+ * DO NOT USE EIAM or IAM in legacy mode */
wr32(E1000_IAM, IMS_ENABLE_MASK);
goto request_done;
}
@@ -465,14 +464,9 @@ static int igb_request_irq(struct igb_adapter *adapter)
err = request_irq(adapter->pdev->irq, &igb_intr, IRQF_SHARED,
netdev->name, netdev);
- if (err) {
+ if (err)
dev_err(&adapter->pdev->dev, "Error %d getting interrupt\n",
err);
- goto request_done;
- }
-
- /* enable IAM, auto-mask */
- wr32(E1000_IAM, IMS_ENABLE_MASK);
request_done:
return err;
@@ -606,9 +600,6 @@ static void igb_init_manageability(struct igb_adapter *adapter)
u32 manc2h = rd32(E1000_MANC2H);
u32 manc = rd32(E1000_MANC);
- /* disable hardware interception of ARP */
- manc &= ~(E1000_MANC_ARP_EN);
-
/* enable receiving management packets to the host */
/* this will probably generate destination unreachable messages
* from the host OS, but the packets will be handled on SMBUS */
@@ -623,25 +614,6 @@ static void igb_init_manageability(struct igb_adapter *adapter)
}
}
-static void igb_release_manageability(struct igb_adapter *adapter)
-{
- struct e1000_hw *hw = &adapter->hw;
-
- if (adapter->en_mng_pt) {
- u32 manc = rd32(E1000_MANC);
-
- /* re-enable hardware interception of ARP */
- manc |= E1000_MANC_ARP_EN;
- manc &= ~E1000_MANC_EN_MNG2HOST;
-
- /* don't explicitly have to mess with MANC2H since
- * MANC has an enable disable that gates MANC2H */
-
- /* XXX stop the hardware watchdog ? */
- wr32(E1000_MANC, manc);
- }
-}
-
/**
* igb_configure - configure the hardware for RX and TX
* @adapter: private board structure
@@ -843,8 +815,8 @@ void igb_reset(struct igb_adapter *adapter)
wr32(E1000_VET, ETHERNET_IEEE_VLAN_TYPE);
igb_reset_adaptive(&adapter->hw);
- adapter->hw.phy.ops.get_phy_info(&adapter->hw);
- igb_release_manageability(adapter);
+ if (adapter->hw.phy.ops.get_phy_info)
+ adapter->hw.phy.ops.get_phy_info(&adapter->hw);
}
/**
@@ -1178,9 +1150,6 @@ static void __devexit igb_remove(struct pci_dev *pdev)
flush_scheduled_work();
-
- igb_release_manageability(adapter);
-
/* Release control of h/w to f/w. If f/w is AMT enabled, this
* would have already happened in close and is redundant. */
igb_release_hw_control(adapter);
@@ -2083,7 +2052,8 @@ static void igb_set_multi(struct net_device *netdev)
static void igb_update_phy_info(unsigned long data)
{
struct igb_adapter *adapter = (struct igb_adapter *) data;
- adapter->hw.phy.ops.get_phy_info(&adapter->hw);
+ if (adapter->hw.phy.ops.get_phy_info)
+ adapter->hw.phy.ops.get_phy_info(&adapter->hw);
}
/**
@@ -2513,10 +2483,24 @@ static inline bool igb_tx_csum_adv(struct igb_adapter *adapter,
tu_cmd |= (E1000_TXD_CMD_DEXT | E1000_ADVTXD_DTYP_CTXT);
if (skb->ip_summed == CHECKSUM_PARTIAL) {
- if (skb->protocol == htons(ETH_P_IP))
+ switch (skb->protocol) {
+ case __constant_htons(ETH_P_IP):
tu_cmd |= E1000_ADVTXD_TUCMD_IPV4;
- if (skb->sk && (skb->sk->sk_protocol == IPPROTO_TCP))
- tu_cmd |= E1000_ADVTXD_TUCMD_L4T_TCP;
+ if (ip_hdr(skb)->protocol == IPPROTO_TCP)
+ tu_cmd |= E1000_ADVTXD_TUCMD_L4T_TCP;
+ break;
+ case __constant_htons(ETH_P_IPV6):
+ /* XXX what about other V6 headers?? */
+ if (ipv6_hdr(skb)->nexthdr == IPPROTO_TCP)
+ tu_cmd |= E1000_ADVTXD_TUCMD_L4T_TCP;
+ break;
+ default:
+ if (unlikely(net_ratelimit()))
+ dev_warn(&adapter->pdev->dev,
+ "partial checksum but proto=%x!\n",
+ skb->protocol);
+ break;
+ }
}
context_desc->type_tucmd_mlhl = cpu_to_le32(tu_cmd);
@@ -3270,6 +3254,13 @@ quit_polling:
return 1;
}
+
+static inline u32 get_head(struct igb_ring *tx_ring)
+{
+ void *end = (struct e1000_tx_desc *)tx_ring->desc + tx_ring->count;
+ return le32_to_cpu(*(volatile __le32 *)end);
+}
+
/**
* igb_clean_tx_irq - Reclaim resources after transmit completes
* @adapter: board private structure
@@ -3291,9 +3282,7 @@ static bool igb_clean_tx_irq(struct igb_adapter *adapter,
unsigned int total_bytes = 0, total_packets = 0;
rmb();
- head = *(volatile u32 *)((struct e1000_tx_desc *)tx_ring->desc
- + tx_ring->count);
- head = le32_to_cpu(head);
+ head = get_head(tx_ring);
i = tx_ring->next_to_clean;
while (1) {
while (i != head) {
@@ -3328,9 +3317,7 @@ static bool igb_clean_tx_irq(struct igb_adapter *adapter,
}
oldhead = head;
rmb();
- head = *(volatile u32 *)((struct e1000_tx_desc *)tx_ring->desc
- + tx_ring->count);
- head = le32_to_cpu(head);
+ head = get_head(tx_ring);
if (head == oldhead)
goto done_cleaning;
} /* while (1) */
@@ -3404,7 +3391,7 @@ done_cleaning:
* @vlan: descriptor vlan field as written by hardware (no le/be conversion)
* @skb: pointer to sk_buff to be indicated to stack
**/
-static void igb_receive_skb(struct igb_adapter *adapter, u8 status, u16 vlan,
+static void igb_receive_skb(struct igb_adapter *adapter, u8 status, __le16 vlan,
struct sk_buff *skb)
{
if (adapter->vlgrp && (status & E1000_RXD_STAT_VP))
@@ -3468,8 +3455,8 @@ static bool igb_clean_rx_irq_adv(struct igb_adapter *adapter,
* that case, it fills the header buffer and spills the rest
* into the page.
*/
- hlen = le16_to_cpu((rx_desc->wb.lower.lo_dword.hdr_info &
- E1000_RXDADV_HDRBUFLEN_MASK) >> E1000_RXDADV_HDRBUFLEN_SHIFT);
+ hlen = (le16_to_cpu(rx_desc->wb.lower.lo_dword.hdr_info) &
+ E1000_RXDADV_HDRBUFLEN_MASK) >> E1000_RXDADV_HDRBUFLEN_SHIFT;
if (hlen > adapter->rx_ps_hdr_size)
hlen = adapter->rx_ps_hdr_size;
@@ -3955,8 +3942,6 @@ static int igb_suspend(struct pci_dev *pdev, pm_message_t state)
pci_enable_wake(pdev, PCI_D3cold, 0);
}
- igb_release_manageability(adapter);
-
/* make sure adapter isn't asleep if manageability is enabled */
if (adapter->en_mng_pt) {
pci_enable_wake(pdev, PCI_D3hot, 1);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-16 13:13:52 +0000