@@ -354,6 +354,7 @@ struct rcv_desc {
/* opcode field in status_desc */
#define NETXEN_NIC_RXPKT_DESC 0x04
#define NETXEN_OLD_RXPKT_DESC 0x3f
+#define NETXEN_NIC_RESPONSE_DESC 0x05
/* for status field in status_desc */
#define STATUS_NEED_CKSUM (1)
@@ -363,8 +364,11 @@ struct rcv_desc {
#define STATUS_OWNER_HOST (0x1ULL << 56)
#define STATUS_OWNER_PHANTOM (0x2ULL << 56)
-/* Note: sizeof(status_desc) should always be a mutliple of 2 */
-
+/* Status descriptor:
+ 0-3 port, 4-7 status, 8-11 type, 12-27 total_length
+ 28-43 reference_handle, 44-47 protocol, 48-52 pkt_offset
+ 53-55 desc_cnt, 56-57 owner, 58-63 opcode
+ */
#define netxen_get_sts_port(sts_data) \
((sts_data) & 0x0F)
#define netxen_get_sts_status(sts_data) \
@@ -379,35 +383,13 @@ struct rcv_desc {
(((sts_data) >> 44) & 0x0F)
#define netxen_get_sts_pkt_offset(sts_data) \
(((sts_data) >> 48) & 0x1F)
+#define netxen_get_sts_desc_cnt(sts_data) \
+ (((sts_data) >> 53) & 0x7)
#define netxen_get_sts_opcode(sts_data) \
(((sts_data) >> 58) & 0x03F)
struct status_desc {
- /* Bit pattern: 0-3 port, 4-7 status, 8-11 type, 12-27 total_length
- 28-43 reference_handle, 44-47 protocol, 48-52 pkt_offset
- 53-55 desc_cnt, 56-57 owner, 58-63 opcode
- */
- __le64 status_desc_data;
- union {
- struct {
- __le32 hash_value;
- u8 hash_type;
- u8 msg_type;
- u8 unused;
- union {
- /* Bit pattern: 0-6 lro_count indicates frag
- * sequence, 7 last_frag indicates last frag
- */
- u8 lro;
-
- /* chained buffers */
- u8 nr_frags;
- };
- };
- struct {
- __le16 frag_handles[4];
- };
- };
+ __le64 status_desc_data[2];
} __attribute__ ((aligned(16)));
/* The version of the main data structure */
@@ -1114,6 +1096,66 @@ typedef struct {
#define VPORT_MISS_MODE_ACCEPT_ALL 1 /* accept all packets */
#define VPORT_MISS_MODE_ACCEPT_MULTI 2 /* accept unmatched multicast */
+#define NX_FW_CAPABILITY_LINK_NOTIFICATION (1 << 5)
+#define NX_FW_CAPABILITY_SWITCHING (1 << 6)
+
+/* module types */
+#define LINKEVENT_MODULE_NOT_PRESENT 1
+#define LINKEVENT_MODULE_OPTICAL_UNKNOWN 2
+#define LINKEVENT_MODULE_OPTICAL_SRLR 3
+#define LINKEVENT_MODULE_OPTICAL_LRM 4
+#define LINKEVENT_MODULE_OPTICAL_SFP_1G 5
+#define LINKEVENT_MODULE_TWINAX_UNSUPPORTED_CABLE 6
+#define LINKEVENT_MODULE_TWINAX_UNSUPPORTED_CABLELEN 7
+#define LINKEVENT_MODULE_TWINAX 8
+
+#define LINKSPEED_10GBPS 10000
+#define LINKSPEED_1GBPS 1000
+#define LINKSPEED_100MBPS 100
+#define LINKSPEED_10MBPS 10
+
+#define LINKSPEED_ENCODED_10MBPS 0
+#define LINKSPEED_ENCODED_100MBPS 1
+#define LINKSPEED_ENCODED_1GBPS 2
+
+#define LINKEVENT_AUTONEG_DISABLED 0
+#define LINKEVENT_AUTONEG_ENABLED 1
+
+#define LINKEVENT_HALF_DUPLEX 0
+#define LINKEVENT_FULL_DUPLEX 1
+
+#define LINKEVENT_LINKSPEED_MBPS 0
+#define LINKEVENT_LINKSPEED_ENCODED 1
+
+/* firmware response header:
+ * 63:58 - message type
+ * 57:56 - owner
+ * 55:53 - desc count
+ * 52:48 - reserved
+ * 47:40 - completion id
+ * 39:32 - opcode
+ * 31:16 - error code
+ * 15:00 - reserved
+ */
+#define netxen_get_nic_msgtype(msg_hdr) \
+ ((msg_hdr >> 58) & 0x3F)
+#define netxen_get_nic_msg_compid(msg_hdr) \
+ ((msg_hdr >> 40) & 0xFF)
+#define netxen_get_nic_msg_opcode(msg_hdr) \
+ ((msg_hdr >> 32) & 0xFF)
+#define netxen_get_nic_msg_errcode(msg_hdr) \
+ ((msg_hdr >> 16) & 0xFFFF)
+
+typedef struct {
+ union {
+ struct {
+ u64 hdr;
+ u64 body[7];
+ };
+ u64 words[8];
+ };
+} nx_fw_msg_t;
+
typedef struct {
__le64 qhdr;
__le64 req_hdr;
@@ -1177,15 +1219,21 @@ struct netxen_adapter {
u8 mc_enabled;
u8 max_mc_count;
+ u16 resv2;
+ u32 resv3;
+
+ u8 has_link_events;
+ u8 resv1;
u16 tx_context_id;
u16 mtu;
u16 is_up;
+
u16 link_speed;
u16 link_duplex;
u16 link_autoneg;
- u16 resv1;
+ u16 module_type;
- u32 resv2;
+ u32 capabilities;
u32 flags;
u32 irq;
u32 temp;
@@ -1398,6 +1446,8 @@ 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_linkevent_request(struct netxen_adapter *adapter, int enable);
+void netxen_advert_link_change(struct netxen_adapter *adapter, int linkup);
int nx_fw_cmd_set_mtu(struct netxen_adapter *adapter, int mtu);
int netxen_nic_change_mtu(struct net_device *netdev, int new_mtu);
@@ -110,6 +110,7 @@ static int
netxen_nic_get_settings(struct net_device *dev, struct ethtool_cmd *ecmd)
{
struct netxen_adapter *adapter = netdev_priv(dev);
+ int check_sfp_module = 0;
/* read which mode */
if (adapter->ahw.port_type == NETXEN_NIC_GBE) {
@@ -143,6 +144,13 @@ netxen_nic_get_settings(struct net_device *dev, struct ethtool_cmd *ecmd)
ecmd->advertising = ADVERTISED_10000baseT_Full;
}
+ if (netif_running(dev) && adapter->has_link_events) {
+ ecmd->speed = adapter->link_speed;
+ ecmd->autoneg = adapter->link_autoneg;
+ ecmd->duplex = adapter->link_duplex;
+ goto skip;
+ }
+
ecmd->port = PORT_TP;
if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
@@ -160,6 +168,7 @@ netxen_nic_get_settings(struct net_device *dev, struct ethtool_cmd *ecmd)
} else
return -EIO;
+skip:
ecmd->phy_address = adapter->physical_port;
ecmd->transceiver = XCVR_EXTERNAL;
@@ -190,7 +199,7 @@ netxen_nic_get_settings(struct net_device *dev, struct ethtool_cmd *ecmd)
case NETXEN_BRDTYPE_P3_HMEZ:
ecmd->supported |= SUPPORTED_MII;
ecmd->advertising |= ADVERTISED_MII;
- ecmd->port = PORT_FIBRE;
+ ecmd->port = PORT_MII;
ecmd->autoneg = AUTONEG_DISABLE;
break;
case NETXEN_BRDTYPE_P3_10G_SFP_PLUS:
@@ -198,6 +207,8 @@ netxen_nic_get_settings(struct net_device *dev, struct ethtool_cmd *ecmd)
case NETXEN_BRDTYPE_P3_10G_SFP_QT:
ecmd->advertising |= ADVERTISED_TP;
ecmd->supported |= SUPPORTED_TP;
+ check_sfp_module = netif_running(dev) &&
+ adapter->has_link_events;
case NETXEN_BRDTYPE_P2_SB31_10G:
case NETXEN_BRDTYPE_P3_10G_XFP:
ecmd->supported |= SUPPORTED_FIBRE;
@@ -212,6 +223,8 @@ netxen_nic_get_settings(struct net_device *dev, struct ethtool_cmd *ecmd)
ecmd->advertising |=
(ADVERTISED_FIBRE | ADVERTISED_TP);
ecmd->port = PORT_FIBRE;
+ check_sfp_module = netif_running(dev) &&
+ adapter->has_link_events;
} else {
ecmd->autoneg = AUTONEG_ENABLE;
ecmd->supported |= (SUPPORTED_TP |SUPPORTED_Autoneg);
@@ -226,6 +239,23 @@ netxen_nic_get_settings(struct net_device *dev, struct ethtool_cmd *ecmd)
return -EIO;
}
+ if (check_sfp_module) {
+ switch (adapter->module_type) {
+ case LINKEVENT_MODULE_OPTICAL_UNKNOWN:
+ case LINKEVENT_MODULE_OPTICAL_SRLR:
+ case LINKEVENT_MODULE_OPTICAL_LRM:
+ case LINKEVENT_MODULE_OPTICAL_SFP_1G:
+ ecmd->port = PORT_FIBRE;
+ break;
+ case LINKEVENT_MODULE_TWINAX_UNSUPPORTED_CABLE:
+ case LINKEVENT_MODULE_TWINAX_UNSUPPORTED_CABLELEN:
+ case LINKEVENT_MODULE_TWINAX:
+ ecmd->port = PORT_TP;
+ default:
+ ecmd->port = -1;
+ }
+ }
+
return 0;
}
@@ -731,6 +731,28 @@ int netxen_config_rss(struct netxen_adapter *adapter, int enable)
return rv;
}
+int netxen_linkevent_request(struct netxen_adapter *adapter, int enable)
+{
+ 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_GET_LINKEVENT | ((u64)adapter->portnum << 16);
+ req.req_hdr = cpu_to_le64(word);
+ req.words[0] = cpu_to_le64(enable);
+
+ rv = netxen_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1);
+ if (rv != 0) {
+ printk(KERN_ERR "%s: could not configure link notification\n",
+ adapter->netdev->name);
+ }
+
+ return rv;
+}
+
/*
* netxen_nic_change_mtu - Change the Maximum Transfer Unit
* @returns 0 on success, negative on failure
@@ -795,9 +795,81 @@ int netxen_init_firmware(struct netxen_adapter *adapter)
adapter->pci_write_normalize(adapter,
CRB_CMDPEG_STATE, PHAN_INITIALIZE_ACK);
+ if (adapter->fw_version >= NETXEN_VERSION_CODE(4, 0, 222)) {
+ adapter->capabilities = netxen_nic_reg_read(adapter,
+ CRB_FW_CAPABILITIES_1);
+ }
+
return err;
}
+static void
+netxen_handle_linkevent(struct netxen_adapter *adapter, nx_fw_msg_t *msg)
+{
+ u32 cable_OUI;
+ u16 cable_len;
+ u16 link_speed;
+ u8 link_status, module, duplex, autoneg;
+ struct net_device *netdev = adapter->netdev;
+
+ adapter->has_link_events = 1;
+
+ cable_OUI = msg->body[1] & 0xffffffff;
+ cable_len = (msg->body[1] >> 32) & 0xffff;
+ link_speed = (msg->body[1] >> 48) & 0xffff;
+
+ link_status = msg->body[2] & 0xff;
+ duplex = (msg->body[2] >> 16) & 0xff;
+ autoneg = (msg->body[2] >> 24) & 0xff;
+
+ module = (msg->body[2] >> 8) & 0xff;
+ if (module == LINKEVENT_MODULE_TWINAX_UNSUPPORTED_CABLE) {
+ printk(KERN_INFO "%s: unsupported cable: OUI 0x%x, length %d\n",
+ netdev->name, cable_OUI, cable_len);
+ } else if (module == LINKEVENT_MODULE_TWINAX_UNSUPPORTED_CABLELEN) {
+ printk(KERN_INFO "%s: unsupported cable length %d\n",
+ netdev->name, cable_len);
+ }
+
+ netxen_advert_link_change(adapter, link_status);
+
+ /* update link parameters */
+ if (duplex == LINKEVENT_FULL_DUPLEX)
+ adapter->link_duplex = DUPLEX_FULL;
+ else
+ adapter->link_duplex = DUPLEX_HALF;
+ adapter->module_type = module;
+ adapter->link_autoneg = autoneg;
+ adapter->link_speed = link_speed;
+}
+
+static void
+netxen_handle_fw_message(int desc_cnt, int index,
+ struct nx_host_sds_ring *sds_ring)
+{
+ nx_fw_msg_t msg;
+ struct status_desc *desc;
+ int i = 0, opcode;
+
+ while (desc_cnt > 0 && i < 8) {
+ desc = &sds_ring->desc_head[index];
+ msg.words[i++] = le64_to_cpu(desc->status_desc_data[0]);
+ msg.words[i++] = le64_to_cpu(desc->status_desc_data[1]);
+
+ index = get_next_index(index, sds_ring->num_desc);
+ desc_cnt--;
+ }
+
+ opcode = netxen_get_nic_msg_opcode(msg.body[0]);
+ switch (opcode) {
+ case NX_NIC_C2H_OPCODE_GET_LINKEVENT_RESPONSE:
+ netxen_handle_linkevent(sds_ring->adapter, &msg);
+ break;
+ default:
+ break;
+ }
+}
+
static int
netxen_alloc_rx_skb(struct netxen_adapter *adapter,
struct nx_host_rds_ring *rds_ring,
@@ -916,21 +988,35 @@ netxen_process_rcv_ring(struct nx_host_sds_ring *sds_ring, int max)
int count = 0;
u64 sts_data;
- int opcode, ring, index, length, cksum, pkt_offset;
+ int opcode, ring, index, length, cksum, pkt_offset, desc_cnt;
while (count < max) {
desc = &sds_ring->desc_head[consumer];
- sts_data = le64_to_cpu(desc->status_desc_data);
+ sts_data = le64_to_cpu(desc->status_desc_data[0]);
if (!(sts_data & STATUS_OWNER_HOST))
break;
+ desc_cnt = netxen_get_sts_desc_cnt(sts_data);
ring = netxen_get_sts_type(sts_data);
+
if (ring > RCV_RING_JUMBO)
- continue;
+ goto skip;
opcode = netxen_get_sts_opcode(sts_data);
+ switch (opcode) {
+ case NETXEN_NIC_RXPKT_DESC:
+ case NETXEN_OLD_RXPKT_DESC:
+ break;
+ case NETXEN_NIC_RESPONSE_DESC:
+ netxen_handle_fw_message(desc_cnt, consumer, sds_ring);
+ default:
+ goto skip;
+ }
+
+ WARN_ON(desc_cnt > 1);
+
index = netxen_get_sts_refhandle(sts_data);
length = netxen_get_sts_totallength(sts_data);
cksum = netxen_get_sts_status(sts_data);
@@ -942,9 +1028,13 @@ netxen_process_rcv_ring(struct nx_host_sds_ring *sds_ring, int max)
if (rxbuf)
list_add_tail(&rxbuf->list, &sds_ring->free_list[ring]);
- desc->status_desc_data = cpu_to_le64(STATUS_OWNER_PHANTOM);
-
- consumer = get_next_index(consumer, sds_ring->num_desc);
+skip:
+ for (; desc_cnt > 0; desc_cnt--) {
+ desc = &sds_ring->desc_head[consumer];
+ desc->status_desc_data[0] =
+ cpu_to_le64(STATUS_OWNER_PHANTOM);
+ consumer = get_next_index(consumer, sds_ring->num_desc);
+ }
count++;
}
@@ -787,6 +787,9 @@ netxen_nic_up(struct netxen_adapter *adapter, struct net_device *netdev)
if (adapter->max_sds_rings > 1)
netxen_config_rss(adapter, 1);
+ if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
+ netxen_linkevent_request(adapter, 1);
+
return 0;
}
@@ -1493,26 +1496,9 @@ static int netxen_nic_check_temp(struct netxen_adapter *adapter)
return rv;
}
-static void netxen_nic_handle_phy_intr(struct netxen_adapter *adapter)
+void netxen_advert_link_change(struct netxen_adapter *adapter, int linkup)
{
struct net_device *netdev = adapter->netdev;
- u32 val, port, linkup;
-
- port = adapter->physical_port;
-
- if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
- val = adapter->pci_read_normalize(adapter, CRB_XG_STATE_P3);
- val = XG_LINK_STATE_P3(adapter->ahw.pci_func, val);
- linkup = (val == XG_LINK_UP_P3);
- } else {
- val = adapter->pci_read_normalize(adapter, CRB_XG_STATE);
- if (adapter->ahw.port_type == NETXEN_NIC_GBE)
- linkup = (val >> port) & 1;
- else {
- val = (val >> port*8) & 0xff;
- linkup = (val == XG_LINK_UP);
- }
- }
if (adapter->ahw.linkup && !linkup) {
printk(KERN_INFO "%s: %s NIC Link is down\n",
@@ -1523,7 +1509,9 @@ static void netxen_nic_handle_phy_intr(struct netxen_adapter *adapter)
netif_stop_queue(netdev);
}
- netxen_nic_set_link_parameters(adapter);
+ if (!adapter->has_link_events)
+ netxen_nic_set_link_parameters(adapter);
+
} else if (!adapter->ahw.linkup && linkup) {
printk(KERN_INFO "%s: %s NIC Link is up\n",
netxen_nic_driver_name, netdev->name);
@@ -1533,10 +1521,34 @@ static void netxen_nic_handle_phy_intr(struct netxen_adapter *adapter)
netif_wake_queue(netdev);
}
- netxen_nic_set_link_parameters(adapter);
+ if (!adapter->has_link_events)
+ netxen_nic_set_link_parameters(adapter);
}
}
+static void netxen_nic_handle_phy_intr(struct netxen_adapter *adapter)
+{
+ u32 val, port, linkup;
+
+ port = adapter->physical_port;
+
+ if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
+ val = adapter->pci_read_normalize(adapter, CRB_XG_STATE_P3);
+ val = XG_LINK_STATE_P3(adapter->ahw.pci_func, val);
+ linkup = (val == XG_LINK_UP_P3);
+ } else {
+ val = adapter->pci_read_normalize(adapter, CRB_XG_STATE);
+ if (adapter->ahw.port_type == NETXEN_NIC_GBE)
+ linkup = (val >> port) & 1;
+ else {
+ val = (val >> port*8) & 0xff;
+ linkup = (val == XG_LINK_UP);
+ }
+ }
+
+ netxen_advert_link_change(adapter, linkup);
+}
+
static void netxen_watchdog(unsigned long v)
{
struct netxen_adapter *adapter = (struct netxen_adapter *)v;
@@ -1552,7 +1564,8 @@ void netxen_watchdog_task(struct work_struct *work)
if ((adapter->portnum == 0) && netxen_nic_check_temp(adapter))
return;
- netxen_nic_handle_phy_intr(adapter);
+ if (!adapter->has_link_events)
+ netxen_nic_handle_phy_intr(adapter);
if (netif_running(adapter->netdev))
mod_timer(&adapter->watchdog_timer, jiffies + 2 * HZ);
@@ -134,6 +134,7 @@
#define CRB_NIC_CAPABILITIES_FW NETXEN_NIC_REG(0x1dc)
#define CRB_NIC_MSI_MODE_HOST NETXEN_NIC_REG(0x270)
#define CRB_NIC_MSI_MODE_FW NETXEN_NIC_REG(0x274)
+#define CRB_FW_CAPABILITIES_1 NETXEN_NIC_REG(0x128)
#define INTR_SCHEME_PERPORT 0x1
#define MSI_MODE_MULTIFUNC 0x1
Add support for asynchronous events from firmware, received over one of the rx rings. Add support for event based phy interrupts, enhanced links status reporting from firmware. Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com> --- drivers/net/netxen/netxen_nic.h | 108 ++++++++++++++++++++++-------- drivers/net/netxen/netxen_nic_ethtool.c | 32 +++++++++- drivers/net/netxen/netxen_nic_hw.c | 22 ++++++ drivers/net/netxen/netxen_nic_init.c | 102 ++++++++++++++++++++++++++-- drivers/net/netxen/netxen_nic_main.c | 55 +++++++++------ drivers/net/netxen/netxen_nic_phan_reg.h | 1 + 6 files changed, 263 insertions(+), 57 deletions(-)