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authorDhananjay Phadke <dhananjay@netxen.com>2009-07-26 20:07:37 +0000
committerDavid S. Miller <davem@davemloft.net>2009-07-27 10:55:19 -0700
commit6598b169b856793f8f9b80a3f3c5a48f5eaf40e3 (patch)
tree94ac7225b638d8bea654e1acc7eb3df1fe6f052c /drivers
parentnetxen: refresh firmware info after reset (diff)
downloadlinux-dev-6598b169b856793f8f9b80a3f3c5a48f5eaf40e3.tar.xz
linux-dev-6598b169b856793f8f9b80a3f3c5a48f5eaf40e3.zip
netxen: enable ip addr hashing
NX3031 hardware requires local IP addresses for packet accumulation (LRO). IP address hashing is required to distinguish a local TCP flow from others (forwarded or guest). This patch adds listener for IP and netdev events and configures IP address in the firmware. Signed-off-by: Amit Kumar Salecha <amit@netxen.com> Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/netxen/netxen_nic.h5
-rw-r--r--drivers/net/netxen/netxen_nic_hw.c24
-rw-r--r--drivers/net/netxen/netxen_nic_init.c52
-rw-r--r--drivers/net/netxen/netxen_nic_main.c126
4 files changed, 182 insertions, 25 deletions
diff --git a/drivers/net/netxen/netxen_nic.h b/drivers/net/netxen/netxen_nic.h
index f86e05047d19..6b9e759d3523 100644
--- a/drivers/net/netxen/netxen_nic.h
+++ b/drivers/net/netxen/netxen_nic.h
@@ -380,6 +380,7 @@ struct rcv_desc {
};
/* opcode field in status_desc */
+#define NETXEN_NIC_SYN_OFFLOAD 0x03
#define NETXEN_NIC_RXPKT_DESC 0x04
#define NETXEN_OLD_RXPKT_DESC 0x3f
#define NETXEN_NIC_RESPONSE_DESC 0x05
@@ -1078,6 +1079,9 @@ typedef struct {
#define NX_MAC_EVENT 0x1
+#define NX_IP_UP 2
+#define NX_IP_DOWN 3
+
/*
* Driver --> Firmware
*/
@@ -1443,6 +1447,7 @@ void netxen_p3_free_mac_list(struct netxen_adapter *adapter);
int netxen_p3_nic_set_promisc(struct netxen_adapter *adapter, u32);
int netxen_config_intr_coalesce(struct netxen_adapter *adapter);
int netxen_config_rss(struct netxen_adapter *adapter, int enable);
+int netxen_config_ipaddr(struct netxen_adapter *adapter, u32 ip, int cmd);
int netxen_linkevent_request(struct netxen_adapter *adapter, int enable);
void netxen_advert_link_change(struct netxen_adapter *adapter, int linkup);
diff --git a/drivers/net/netxen/netxen_nic_hw.c b/drivers/net/netxen/netxen_nic_hw.c
index 3c614c3cc62b..088611bb5bdb 100644
--- a/drivers/net/netxen/netxen_nic_hw.c
+++ b/drivers/net/netxen/netxen_nic_hw.c
@@ -706,6 +706,30 @@ int netxen_config_rss(struct netxen_adapter *adapter, int enable)
return rv;
}
+int netxen_config_ipaddr(struct netxen_adapter *adapter, u32 ip, int cmd)
+{
+ nx_nic_req_t req;
+ u64 word;
+ int rv;
+
+ memset(&req, 0, sizeof(nx_nic_req_t));
+ req.qhdr = cpu_to_le64(NX_HOST_REQUEST << 23);
+
+ word = NX_NIC_H2C_OPCODE_CONFIG_IPADDR | ((u64)adapter->portnum << 16);
+ req.req_hdr = cpu_to_le64(word);
+
+ req.words[0] = cpu_to_le64(cmd);
+ req.words[1] = cpu_to_le64(ip);
+
+ rv = netxen_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1);
+ if (rv != 0) {
+ printk(KERN_ERR "%s: could not notify %s IP 0x%x reuqest\n",
+ adapter->netdev->name,
+ (cmd == NX_IP_UP) ? "Add" : "Remove", ip);
+ }
+ return rv;
+}
+
int netxen_linkevent_request(struct netxen_adapter *adapter, int enable)
{
nx_nic_req_t req;
diff --git a/drivers/net/netxen/netxen_nic_init.c b/drivers/net/netxen/netxen_nic_init.c
index 847f78b18688..5d7a2c453363 100644
--- a/drivers/net/netxen/netxen_nic_init.c
+++ b/drivers/net/netxen/netxen_nic_init.c
@@ -880,22 +880,10 @@ netxen_validate_firmware(struct netxen_adapter *adapter, const char *fwname)
return 0;
}
-void netxen_request_firmware(struct netxen_adapter *adapter)
+static int
+netxen_p3_has_mn(struct netxen_adapter *adapter)
{
u32 capability, flashed_ver;
- u8 fw_type;
- struct pci_dev *pdev = adapter->pdev;
- int rc = 0;
-
- if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
- fw_type = NX_P2_MN_ROMIMAGE;
- goto request_fw;
- } else {
- fw_type = NX_P3_CT_ROMIMAGE;
- goto request_fw;
- }
-
-request_mn:
capability = 0;
netxen_rom_fast_read(adapter,
@@ -903,23 +891,35 @@ request_mn:
flashed_ver = NETXEN_DECODE_VERSION(flashed_ver);
if (flashed_ver >= NETXEN_VERSION_CODE(4, 0, 220)) {
+
capability = NXRD32(adapter, NX_PEG_TUNE_CAPABILITY);
- if (capability & NX_PEG_TUNE_MN_PRESENT) {
- fw_type = NX_P3_MN_ROMIMAGE;
- goto request_fw;
- }
+ if (capability & NX_PEG_TUNE_MN_PRESENT)
+ return 1;
+ }
+ return 0;
+}
+
+void netxen_request_firmware(struct netxen_adapter *adapter)
+{
+ u8 fw_type;
+ struct pci_dev *pdev = adapter->pdev;
+ int rc = 0;
+
+ if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
+ fw_type = NX_P2_MN_ROMIMAGE;
+ goto request_fw;
}
- fw_type = NX_FLASH_ROMIMAGE;
- adapter->fw = NULL;
- goto done;
+ fw_type = netxen_p3_has_mn(adapter) ?
+ NX_P3_MN_ROMIMAGE : NX_P3_CT_ROMIMAGE;
request_fw:
rc = request_firmware(&adapter->fw, fw_name[fw_type], &pdev->dev);
if (rc != 0) {
- if (fw_type == NX_P3_CT_ROMIMAGE) {
+ if (fw_type == NX_P3_MN_ROMIMAGE) {
msleep(1);
- goto request_mn;
+ fw_type = NX_P3_CT_ROMIMAGE;
+ goto request_fw;
}
fw_type = NX_FLASH_ROMIMAGE;
@@ -931,9 +931,10 @@ request_fw:
if (rc != 0) {
release_firmware(adapter->fw);
- if (fw_type == NX_P3_CT_ROMIMAGE) {
+ if (fw_type == NX_P3_MN_ROMIMAGE) {
msleep(1);
- goto request_mn;
+ fw_type = NX_P3_CT_ROMIMAGE;
+ goto request_fw;
}
fw_type = NX_FLASH_ROMIMAGE;
@@ -1292,6 +1293,7 @@ netxen_process_rcv_ring(struct nx_host_sds_ring *sds_ring, int max)
switch (opcode) {
case NETXEN_NIC_RXPKT_DESC:
case NETXEN_OLD_RXPKT_DESC:
+ case NETXEN_NIC_SYN_OFFLOAD:
break;
case NETXEN_NIC_RESPONSE_DESC:
netxen_handle_fw_message(desc_cnt, consumer, sds_ring);
diff --git a/drivers/net/netxen/netxen_nic_main.c b/drivers/net/netxen/netxen_nic_main.c
index 4c7e4c28bf6b..b3683260a0b6 100644
--- a/drivers/net/netxen/netxen_nic_main.c
+++ b/drivers/net/netxen/netxen_nic_main.c
@@ -39,6 +39,7 @@
#include <linux/if_vlan.h>
#include <net/ip.h>
#include <linux/ipv6.h>
+#include <linux/inetdevice.h>
MODULE_DESCRIPTION("NetXen Multi port (1/10) Gigabit Network Driver");
MODULE_LICENSE("GPL");
@@ -1780,6 +1781,125 @@ static void netxen_nic_poll_controller(struct net_device *netdev)
}
#endif
+#define is_netxen_netdev(dev) (dev->netdev_ops == &netxen_netdev_ops)
+
+static int
+netxen_destip_supported(struct netxen_adapter *adapter)
+{
+ if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
+ return 0;
+
+ if (adapter->ahw.cut_through)
+ return 0;
+
+ return 1;
+}
+
+static int netxen_netdev_event(struct notifier_block *this,
+ unsigned long event, void *ptr)
+{
+ struct netxen_adapter *adapter;
+ struct net_device *dev = (struct net_device *)ptr;
+ struct in_device *indev;
+
+recheck:
+ if (dev == NULL)
+ goto done;
+
+ if (dev->priv_flags & IFF_802_1Q_VLAN) {
+ dev = vlan_dev_real_dev(dev);
+ goto recheck;
+ }
+
+ if (!is_netxen_netdev(dev))
+ goto done;
+
+ adapter = netdev_priv(dev);
+
+ if (!adapter || !netxen_destip_supported(adapter))
+ goto done;
+
+ if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
+ goto done;
+
+ indev = in_dev_get(dev);
+ if (!indev)
+ goto done;
+
+ for_ifa(indev) {
+ switch (event) {
+ case NETDEV_UP:
+ netxen_config_ipaddr(adapter,
+ ifa->ifa_address, NX_IP_UP);
+ break;
+ case NETDEV_DOWN:
+ netxen_config_ipaddr(adapter,
+ ifa->ifa_address, NX_IP_DOWN);
+ break;
+ default:
+ break;
+ }
+ } endfor_ifa(indev);
+
+ in_dev_put(indev);
+done:
+ return NOTIFY_DONE;
+}
+
+static int
+netxen_inetaddr_event(struct notifier_block *this,
+ unsigned long event, void *ptr)
+{
+ struct netxen_adapter *adapter;
+ struct net_device *dev;
+
+ struct in_ifaddr *ifa = (struct in_ifaddr *)ptr;
+
+ dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL;
+
+recheck:
+ if (dev == NULL || !netif_running(dev))
+ goto done;
+
+ if (dev->priv_flags & IFF_802_1Q_VLAN) {
+ dev = vlan_dev_real_dev(dev);
+ goto recheck;
+ }
+
+ if (!is_netxen_netdev(dev))
+ goto done;
+
+ adapter = netdev_priv(dev);
+
+ if (!adapter || !netxen_destip_supported(adapter))
+ goto done;
+
+ if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
+ goto done;
+
+ switch (event) {
+ case NETDEV_UP:
+ netxen_config_ipaddr(adapter, ifa->ifa_address, NX_IP_UP);
+ break;
+ case NETDEV_DOWN:
+ netxen_config_ipaddr(adapter, ifa->ifa_address, NX_IP_DOWN);
+ break;
+ default:
+ break;
+ }
+
+done:
+ return NOTIFY_DONE;
+}
+
+static struct notifier_block netxen_netdev_cb = {
+ .notifier_call = netxen_netdev_event,
+};
+
+static struct notifier_block netxen_inetaddr_cb = {
+ .notifier_call = netxen_inetaddr_event,
+};
+
static struct pci_driver netxen_driver = {
.name = netxen_nic_driver_name,
.id_table = netxen_pci_tbl,
@@ -1800,6 +1920,9 @@ static int __init netxen_init_module(void)
if ((netxen_workq = create_singlethread_workqueue("netxen")) == NULL)
return -ENOMEM;
+ register_netdevice_notifier(&netxen_netdev_cb);
+ register_inetaddr_notifier(&netxen_inetaddr_cb);
+
return pci_register_driver(&netxen_driver);
}
@@ -1808,6 +1931,9 @@ module_init(netxen_init_module);
static void __exit netxen_exit_module(void)
{
pci_unregister_driver(&netxen_driver);
+
+ unregister_inetaddr_notifier(&netxen_inetaddr_cb);
+ unregister_netdevice_notifier(&netxen_netdev_cb);
destroy_workqueue(netxen_workq);
}