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ixgbe: Add a second feature flags variable, move HW RSC capability there 

This adds a second feature flag variable to use for future feature
expansion.  Add HW RSC to this new feature flags variable.

Signed-off-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Peter P Waskiewicz Jr 2009-06-04 16:00:47 +00:00 committed by David S. Miller
parent 91281fd36c
commit df647b5ca3
3 changed files with 12 additions and 11 deletions
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5
drivers/net/ixgbe/ixgbe.h
View File

@ -317,10 +317,11 @@ struct ixgbe_adapter {
#define IXGBE_FLAG_IN_WATCHDOG_TASK (u32)(1 << 23)
#define IXGBE_FLAG_IN_SFP_LINK_TASK (u32)(1 << 24)
#define IXGBE_FLAG_IN_SFP_MOD_TASK (u32)(1 << 25)
#define IXGBE_FLAG_RSC_CAPABLE (u32)(1 << 26)
#define IXGBE_FLAG_RSC_ENABLED (u32)(1 << 27)
#define IXGBE_FLAG_FCOE_ENABLED (u32)(1 << 29)
u32 flags2;
#define IXGBE_FLAG2_RSC_CAPABLE (u32)(1)
#define IXGBE_FLAG2_RSC_ENABLED (u32)(1 << 1)
/* default to trying for four seconds */
#define IXGBE_TRY_LINK_TIMEOUT (4 * HZ)

6
drivers/net/ixgbe/ixgbe_ethtool.c
View File

@ -1997,13 +1997,13 @@ static int ixgbe_set_flags(struct net_device *netdev, u32 data)
ethtool_op_set_flags(netdev, data);
if (!(adapter->flags & IXGBE_FLAG_RSC_CAPABLE))
if (!(adapter->flags & IXGBE_FLAG2_RSC_CAPABLE))
return 0;
/* if state changes we need to update adapter->flags and reset */
if ((!!(data & ETH_FLAG_LRO)) !=
(!!(adapter->flags & IXGBE_FLAG_RSC_ENABLED))) {
adapter->flags ^= IXGBE_FLAG_RSC_ENABLED;
(!!(adapter->flags & IXGBE_FLAG2_RSC_ENABLED))) {
adapter->flags ^= IXGBE_FLAG2_RSC_ENABLED;
if (netif_running(netdev))
ixgbe_reinit_locked(adapter);
else

12
drivers/net/ixgbe/ixgbe_main.c
View File

@ -748,7 +748,7 @@ static bool ixgbe_clean_rx_irq(struct ixgbe_q_vector *q_vector,
prefetch(next_rxd);
cleaned_count++;
if (adapter->flags & IXGBE_FLAG_RSC_CAPABLE)
if (adapter->flags & IXGBE_FLAG2_RSC_CAPABLE)
rsc_count = ixgbe_get_rsc_count(rx_desc);
if (rsc_count) {
@ -1968,7 +1968,7 @@ static void ixgbe_configure_rx(struct ixgbe_adapter *adapter)
IXGBE_WRITE_REG(hw, IXGBE_PSRTYPE(0), psrtype);
}
} else {
if (!(adapter->flags & IXGBE_FLAG_RSC_ENABLED) &&
if (!(adapter->flags & IXGBE_FLAG2_RSC_ENABLED) &&
(netdev->mtu <= ETH_DATA_LEN))
rx_buf_len = MAXIMUM_ETHERNET_VLAN_SIZE;
else
@ -2097,7 +2097,7 @@ static void ixgbe_configure_rx(struct ixgbe_adapter *adapter)
IXGBE_WRITE_REG(hw, IXGBE_RDRXCTL, rdrxctl);
}
if (adapter->flags & IXGBE_FLAG_RSC_ENABLED) {
if (adapter->flags & IXGBE_FLAG2_RSC_ENABLED) {
/* Enable 82599 HW-RSC */
for (i = 0; i < adapter->num_rx_queues; i++) {
j = adapter->rx_ring[i].reg_idx;
@ -3632,8 +3632,8 @@ static int __devinit ixgbe_sw_init(struct ixgbe_adapter *adapter)
adapter->max_msix_q_vectors = MAX_MSIX_Q_VECTORS_82598;
} 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;
adapter->flags |= IXGBE_FLAG2_RSC_CAPABLE;
adapter->flags |= IXGBE_FLAG2_RSC_ENABLED;
#ifdef IXGBE_FCOE
adapter->flags |= IXGBE_FLAG_FCOE_ENABLED;
adapter->ring_feature[RING_F_FCOE].indices = IXGBE_FCRETA_SIZE;
@ -5323,7 +5323,7 @@ static int __devinit ixgbe_probe(struct pci_dev *pdev,
if (pci_using_dac)
netdev->features |= NETIF_F_HIGHDMA;
if (adapter->flags & IXGBE_FLAG_RSC_ENABLED)
if (adapter->flags & IXGBE_FLAG2_RSC_ENABLED)
netdev->features |= NETIF_F_LRO;
/* make sure the EEPROM is good */