sipcap/netmap/LINUX/final-patches/diff--igb--30800--30b00
farrokhi ccdba9490b - add netmap-libpcap
- add netmap (FreeBSD header files need to be updated with this)
- move prototype perl scripts to prototype/ folder
- create basic structure for sipcap app (no code yet)
2014-07-10 17:04:13 +04:30

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diff --git a/igb/igb_main.c b/igb/igb_main.c
index 31cfe2e..8439bc6 100644
--- a/igb/igb_main.c
+++ b/igb/igb_main.c
@@ -247,6 +247,10 @@ static int debug = -1;
module_param(debug, int, 0);
MODULE_PARM_DESC(debug, "Debug level (0=none,...,16=all)");
+#if defined(CONFIG_NETMAP) || defined(CONFIG_NETMAP_MODULE)
+#include <if_igb_netmap.h>
+#endif
+
struct igb_reg_info {
u32 ofs;
char *name;
@@ -1520,6 +1524,10 @@ int igb_up(struct igb_adapter *adapter)
netif_tx_start_all_queues(adapter->netdev);
+#ifdef DEV_NETMAP
+ netmap_enable_all_rings(adapter->netdev);
+#endif /* DEV_NETMAP */
+
/* start the watchdog. */
hw->mac.get_link_status = 1;
schedule_work(&adapter->watchdog_task);
@@ -1553,6 +1561,10 @@ void igb_down(struct igb_adapter *adapter)
wrfl();
msleep(10);
+#ifdef DEV_NETMAP
+ netmap_disable_all_rings(netdev);
+#endif /* DEV_NETMAP */
+
for (i = 0; i < adapter->num_q_vectors; i++)
napi_disable(&(adapter->q_vector[i]->napi));
@@ -2127,6 +2139,10 @@ static int igb_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
/* carrier off reporting is important to ethtool even BEFORE open */
netif_carrier_off(netdev);
+#ifdef DEV_NETMAP
+ igb_netmap_attach(adapter);
+#endif /* DEV_NETMAP */
+
#ifdef CONFIG_IGB_DCA
if (dca_add_requester(&pdev->dev) == 0) {
adapter->flags |= IGB_FLAG_DCA_ENABLED;
@@ -2233,6 +2249,10 @@ static void igb_remove(struct pci_dev *pdev)
wr32(E1000_DCA_CTRL, E1000_DCA_CTRL_DCA_MODE_DISABLE);
}
#endif
+#ifdef DEV_NETMAP
+ netmap_detach(netdev);
+#endif /* DEV_NETMAP */
+
/* Release control of h/w to f/w. If f/w is AMT enabled, this
* would have already happened in close and is redundant. */
@@ -2553,6 +2573,10 @@ static int __igb_open(struct net_device *netdev, bool resuming)
netif_tx_start_all_queues(netdev);
+#ifdef DEV_NETMAP
+ netmap_enable_all_rings(netdev);
+#endif /* DEV_NETMAP */
+
if (!resuming)
pm_runtime_put(&pdev->dev);
@@ -2746,6 +2770,9 @@ void igb_configure_tx_ring(struct igb_adapter *adapter,
txdctl |= E1000_TXDCTL_QUEUE_ENABLE;
wr32(E1000_TXDCTL(reg_idx), txdctl);
+#ifdef DEV_NETMAP
+ igb_netmap_configure_tx_ring(adapter, reg_idx);
+#endif /* DEV_NETMAP */
}
/**
@@ -5690,6 +5717,10 @@ static bool igb_clean_tx_irq(struct igb_q_vector *q_vector)
if (test_bit(__IGB_DOWN, &adapter->state))
return true;
+#ifdef DEV_NETMAP
+ if (netmap_tx_irq(tx_ring->netdev, tx_ring->queue_index))
+ return 1; /* cleaned ok */
+#endif /* DEV_NETMAP */
tx_buffer = &tx_ring->tx_buffer_info[i];
tx_desc = IGB_TX_DESC(tx_ring, i);
@@ -6349,6 +6380,10 @@ static bool igb_clean_rx_irq(struct igb_q_vector *q_vector, const int budget)
unsigned int total_bytes = 0, total_packets = 0;
u16 cleaned_count = igb_desc_unused(rx_ring);
+#ifdef DEV_NETMAP
+ if (netmap_rx_irq(rx_ring->netdev, rx_ring->queue_index, &total_packets))
+ return true;
+#endif /* DEV_NETMAP */
do {
union e1000_adv_rx_desc *rx_desc;
@@ -6461,6 +6496,11 @@ void igb_alloc_rx_buffers(struct igb_ring *rx_ring, u16 cleaned_count)
struct igb_rx_buffer *bi;
u16 i = rx_ring->next_to_use;
+#ifdef DEV_NETMAP
+ if (igb_netmap_configure_rx_ring(rx_ring))
+ return;
+#endif /* DEV_NETMAP */
+
/* nothing to do */
if (!cleaned_count)
return;