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https://github.com/followmsi/android_kernel_google_msm.git
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netxen: mtu, mac, link status changes
MAC addr, multicast filters, mtu are set through firmware commands in firmware v4.0.0+ because of virtualization of physical ports. Link status is also read from registers allocated by firmware for each virtual port. Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
This commit is contained in:
Dhananjay Phadke
Jeff Garzik
parent
48bfd1e0fc
commit
c9fc891f86
7 changed files with 236 additions and 43 deletions
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@ -1119,7 +1119,7 @@ typedef struct {
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u64 qhdr;
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u64 req_hdr;
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u64 words[6];
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} nic_request_t;
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} nx_nic_req_t;
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typedef struct {
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u8 op;
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@ -1127,6 +1127,7 @@ typedef struct {
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u8 mac_addr[6];
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} nx_mac_req_t;
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#define MAX_PENDING_DESC_BLOCK_SIZE 64
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#define NETXEN_NIC_MSI_ENABLED 0x02
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#define NETXEN_NIC_MSIX_ENABLED 0x04
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@ -1152,7 +1153,6 @@ struct netxen_adapter {
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int pci_using_dac;
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struct napi_struct napi;
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struct net_device_stats net_stats;
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unsigned char mac_addr[ETH_ALEN];
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int mtu;
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int portnum;
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u8 physical_port;
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@ -1160,6 +1160,7 @@ struct netxen_adapter {
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uint8_t mc_enabled;
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uint8_t max_mc_count;
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nx_mac_list_t *mac_list;
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struct netxen_legacy_intr_set legacy_intr;
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u32 crb_intr_mask;
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@ -1231,7 +1232,6 @@ struct netxen_adapter {
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int (*phy_read) (struct netxen_adapter *, long reg, u32 *);
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int (*phy_write) (struct netxen_adapter *, long reg, u32 val);
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int (*init_port) (struct netxen_adapter *, int);
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void (*init_niu) (struct netxen_adapter *);
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int (*stop_port) (struct netxen_adapter *);
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int (*hw_read_wx)(struct netxen_adapter *, ulong, void *, int);
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@ -1316,7 +1316,6 @@ int netxen_niu_gbe_phy_write(struct netxen_adapter *adapter,
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/* Functions available from netxen_nic_hw.c */
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int netxen_nic_set_mtu_xgb(struct netxen_adapter *adapter, int new_mtu);
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int netxen_nic_set_mtu_gb(struct netxen_adapter *adapter, int new_mtu);
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void netxen_nic_init_niu_gb(struct netxen_adapter *adapter);
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void netxen_nic_reg_write(struct netxen_adapter *adapter, u64 off, u32 val);
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int netxen_nic_reg_read(struct netxen_adapter *adapter, u64 off);
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void netxen_nic_write_w0(struct netxen_adapter *adapter, u32 index, u32 value);
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@ -1404,7 +1403,8 @@ void netxen_post_rx_buffers(struct netxen_adapter *adapter, u32 ctx,
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u32 ringid);
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int netxen_process_cmd_ring(struct netxen_adapter *adapter);
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u32 netxen_process_rcv_ring(struct netxen_adapter *adapter, int ctx, int max);
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void netxen_nic_set_multi(struct net_device *netdev);
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void netxen_p2_nic_set_multi(struct net_device *netdev);
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void netxen_p3_nic_set_multi(struct net_device *netdev);
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u32 nx_fw_cmd_set_mtu(struct netxen_adapter *adapter, u32 mtu);
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int netxen_nic_change_mtu(struct net_device *netdev, int new_mtu);
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@ -1412,6 +1412,8 @@ int netxen_nic_change_mtu(struct net_device *netdev, int new_mtu);
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int netxen_nic_set_mac(struct net_device *netdev, void *p);
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struct net_device_stats *netxen_nic_get_stats(struct net_device *netdev);
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void netxen_nic_update_cmd_producer(struct netxen_adapter *adapter,
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uint32_t crb_producer);
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/*
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* NetXen Board information
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@ -718,6 +718,12 @@ enum {
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#define XG_LINK_UP 0x10
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#define XG_LINK_DOWN 0x20
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#define XG_LINK_UP_P3 0x01
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#define XG_LINK_DOWN_P3 0x02
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#define XG_LINK_STATE_P3_MASK 0xf
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#define XG_LINK_STATE_P3(pcifn,val) \
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(((val) >> ((pcifn) * 4)) & XG_LINK_STATE_P3_MASK)
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#define NETXEN_CAM_RAM_BASE (NETXEN_CRB_CAM + 0x02000)
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#define NETXEN_CAM_RAM(reg) (NETXEN_CAM_RAM_BASE + (reg))
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#define NETXEN_FW_VERSION_MAJOR (NETXEN_CAM_RAM(0x150))
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@ -314,8 +314,10 @@ int netxen_nic_set_mac(struct net_device *netdev, void *p)
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memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
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if (adapter->macaddr_set)
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adapter->macaddr_set(adapter, addr->sa_data);
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/* For P3, MAC addr is not set in NIU */
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if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
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if (adapter->macaddr_set)
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adapter->macaddr_set(adapter, addr->sa_data);
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return 0;
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}
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@ -405,10 +407,7 @@ netxen_nic_set_mcast_addr(struct netxen_adapter *adapter,
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return 0;
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}
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/*
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* netxen_nic_set_multi - Multicast
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*/
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void netxen_nic_set_multi(struct net_device *netdev)
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void netxen_p2_nic_set_multi(struct net_device *netdev)
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{
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struct netxen_adapter *adapter = netdev_priv(netdev);
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struct dev_mc_list *mc_ptr;
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@ -456,18 +455,186 @@ void netxen_nic_set_multi(struct net_device *netdev)
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netxen_nic_set_mcast_addr(adapter, index, null_addr);
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}
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static int nx_p3_nic_add_mac(struct netxen_adapter *adapter,
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u8 *addr, nx_mac_list_t **add_list, nx_mac_list_t **del_list)
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{
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nx_mac_list_t *cur, *prev;
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/* if in del_list, move it to adapter->mac_list */
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for (cur = *del_list, prev = NULL; cur;) {
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if (memcmp(addr, cur->mac_addr, ETH_ALEN) == 0) {
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if (prev == NULL)
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*del_list = cur->next;
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else
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prev->next = cur->next;
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cur->next = adapter->mac_list;
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adapter->mac_list = cur;
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return 0;
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}
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prev = cur;
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cur = cur->next;
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}
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/* make sure to add each mac address only once */
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for (cur = adapter->mac_list; cur; cur = cur->next) {
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if (memcmp(addr, cur->mac_addr, ETH_ALEN) == 0)
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return 0;
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}
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/* not in del_list, create new entry and add to add_list */
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cur = kmalloc(sizeof(*cur), in_atomic()? GFP_ATOMIC : GFP_KERNEL);
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if (cur == NULL) {
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printk(KERN_ERR "%s: cannot allocate memory. MAC filtering may"
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"not work properly from now.\n", __func__);
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return -1;
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}
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memcpy(cur->mac_addr, addr, ETH_ALEN);
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cur->next = *add_list;
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*add_list = cur;
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return 0;
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}
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static int
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netxen_send_cmd_descs(struct netxen_adapter *adapter,
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struct cmd_desc_type0 *cmd_desc_arr, int nr_elements)
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{
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uint32_t i, producer;
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struct netxen_cmd_buffer *pbuf;
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struct cmd_desc_type0 *cmd_desc;
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if (nr_elements > MAX_PENDING_DESC_BLOCK_SIZE || nr_elements == 0) {
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printk(KERN_WARNING "%s: Too many command descriptors in a "
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"request\n", __func__);
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return -EINVAL;
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}
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i = 0;
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producer = adapter->cmd_producer;
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do {
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cmd_desc = &cmd_desc_arr[i];
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pbuf = &adapter->cmd_buf_arr[producer];
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pbuf->mss = 0;
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pbuf->total_length = 0;
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pbuf->skb = NULL;
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pbuf->cmd = 0;
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pbuf->frag_count = 0;
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pbuf->port = 0;
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/* adapter->ahw.cmd_desc_head[producer] = *cmd_desc; */
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memcpy(&adapter->ahw.cmd_desc_head[producer],
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&cmd_desc_arr[i], sizeof(struct cmd_desc_type0));
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producer = get_next_index(producer,
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adapter->max_tx_desc_count);
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i++;
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} while (i != nr_elements);
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adapter->cmd_producer = producer;
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/* write producer index to start the xmit */
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netxen_nic_update_cmd_producer(adapter, adapter->cmd_producer);
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return 0;
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}
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#define NIC_REQUEST 0x14
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#define NETXEN_MAC_EVENT 0x1
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static int nx_p3_sre_macaddr_change(struct net_device *dev,
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u8 *addr, unsigned op)
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{
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struct netxen_adapter *adapter = (struct netxen_adapter *)dev->priv;
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nx_nic_req_t req;
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nx_mac_req_t mac_req;
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int rv;
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memset(&req, 0, sizeof(nx_nic_req_t));
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req.qhdr |= (NIC_REQUEST << 23);
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req.req_hdr |= NETXEN_MAC_EVENT;
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req.req_hdr |= ((u64)adapter->portnum << 16);
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mac_req.op = op;
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memcpy(&mac_req.mac_addr, addr, 6);
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req.words[0] = cpu_to_le64(*(u64 *)&mac_req);
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rv = netxen_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1);
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if (rv != 0) {
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printk(KERN_ERR "ERROR. Could not send mac update\n");
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return rv;
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}
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return 0;
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}
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void netxen_p3_nic_set_multi(struct net_device *netdev)
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{
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struct netxen_adapter *adapter = netdev_priv(netdev);
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nx_mac_list_t *cur, *next, *del_list, *add_list = NULL;
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struct dev_mc_list *mc_ptr;
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u8 bcast_addr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
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adapter->set_promisc(adapter, NETXEN_NIU_PROMISC_MODE);
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/*
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* Programming mac addresses will automaticly enabling L2 filtering.
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* HW will replace timestamp with L2 conid when L2 filtering is
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* enabled. This causes problem for LSA. Do not enabling L2 filtering
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* until that problem is fixed.
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*/
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if ((netdev->flags & IFF_PROMISC) ||
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(netdev->mc_count > adapter->max_mc_count))
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return;
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del_list = adapter->mac_list;
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adapter->mac_list = NULL;
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nx_p3_nic_add_mac(adapter, netdev->dev_addr, &add_list, &del_list);
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if (netdev->mc_count > 0) {
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nx_p3_nic_add_mac(adapter, bcast_addr, &add_list, &del_list);
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for (mc_ptr = netdev->mc_list; mc_ptr;
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mc_ptr = mc_ptr->next) {
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nx_p3_nic_add_mac(adapter, mc_ptr->dmi_addr,
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&add_list, &del_list);
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}
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}
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for (cur = del_list; cur;) {
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nx_p3_sre_macaddr_change(netdev, cur->mac_addr, NETXEN_MAC_DEL);
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next = cur->next;
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kfree(cur);
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cur = next;
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}
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for (cur = add_list; cur;) {
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nx_p3_sre_macaddr_change(netdev, cur->mac_addr, NETXEN_MAC_ADD);
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next = cur->next;
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cur->next = adapter->mac_list;
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adapter->mac_list = cur;
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cur = next;
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}
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}
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/*
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* netxen_nic_change_mtu - Change the Maximum Transfer Unit
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* @returns 0 on success, negative on failure
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*/
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#define MTU_FUDGE_FACTOR 100
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int netxen_nic_change_mtu(struct net_device *netdev, int mtu)
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{
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struct netxen_adapter *adapter = netdev_priv(netdev);
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int eff_mtu = mtu + NETXEN_ENET_HEADER_SIZE + NETXEN_ETH_FCS_SIZE;
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int max_mtu;
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if ((eff_mtu > NETXEN_MAX_MTU) || (eff_mtu < NETXEN_MIN_MTU)) {
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printk(KERN_ERR "%s: %s %d is not supported.\n",
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netxen_nic_driver_name, netdev->name, mtu);
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if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
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max_mtu = P3_MAX_MTU;
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else
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max_mtu = P2_MAX_MTU;
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if (mtu > max_mtu) {
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printk(KERN_ERR "%s: mtu > %d bytes unsupported\n",
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netdev->name, max_mtu);
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return -EINVAL;
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}
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@ -475,6 +642,12 @@ int netxen_nic_change_mtu(struct net_device *netdev, int mtu)
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adapter->set_mtu(adapter, mtu);
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netdev->mtu = mtu;
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mtu += MTU_FUDGE_FACTOR;
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if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
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nx_fw_cmd_set_mtu(adapter, mtu);
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else if (adapter->set_mtu)
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adapter->set_mtu(adapter, mtu);
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return 0;
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}
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@ -1882,11 +2055,6 @@ int netxen_nic_set_mtu_xgb(struct netxen_adapter *adapter, int new_mtu)
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return 0;
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}
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void netxen_nic_init_niu_gb(struct netxen_adapter *adapter)
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{
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netxen_niu_gbe_init_port(adapter, adapter->physical_port);
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}
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void
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netxen_crb_writelit_adapter(struct netxen_adapter *adapter,
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unsigned long off, int data)
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@ -329,7 +329,7 @@ void netxen_initialize_adapter_ops(struct netxen_adapter *adapter)
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adapter->set_promisc = netxen_niu_set_promiscuous_mode;
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adapter->phy_read = netxen_niu_gbe_phy_read;
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adapter->phy_write = netxen_niu_gbe_phy_write;
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adapter->init_niu = netxen_nic_init_niu_gb;
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adapter->init_port = netxen_niu_gbe_init_port;
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adapter->stop_port = netxen_niu_disable_gbe_port;
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break;
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@ -123,7 +123,7 @@ static uint32_t crb_cmd_producer[4] = {
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CRB_CMD_PRODUCER_OFFSET_2, CRB_CMD_PRODUCER_OFFSET_3
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};
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static inline void
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void
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netxen_nic_update_cmd_producer(struct netxen_adapter *adapter,
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uint32_t crb_producer)
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{
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@ -716,7 +716,10 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
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netdev->stop = netxen_nic_close;
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netdev->hard_start_xmit = netxen_nic_xmit_frame;
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netdev->get_stats = netxen_nic_get_stats;
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netdev->set_multicast_list = netxen_nic_set_multi;
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if (NX_IS_REVISION_P3(revision_id))
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netdev->set_multicast_list = netxen_p3_nic_set_multi;
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else
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netdev->set_multicast_list = netxen_p2_nic_set_multi;
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netdev->set_mac_address = netxen_nic_set_mac;
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netdev->change_mtu = netxen_nic_change_mtu;
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netdev->tx_timeout = netxen_tx_timeout;
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@ -1100,7 +1103,7 @@ static int netxen_nic_open(struct net_device *netdev)
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/* Done here again so that even if phantom sw overwrote it,
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* we set it */
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err = adapter->init_port(adapter, adapter->portnum);
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err = adapter->init_port(adapter, adapter->physical_port);
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if (err) {
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printk(KERN_ERR "%s: Failed to initialize port %d\n",
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netxen_nic_driver_name, adapter->portnum);
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@ -1110,8 +1113,11 @@ static int netxen_nic_open(struct net_device *netdev)
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netxen_nic_set_link_parameters(adapter);
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netxen_nic_set_multi(netdev);
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adapter->set_mtu(adapter, netdev->mtu);
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netdev->set_multicast_list(netdev);
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if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
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nx_fw_cmd_set_mtu(adapter, netdev->mtu);
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else
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adapter->set_mtu(adapter, netdev->mtu);
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mod_timer(&adapter->watchdog_timer, jiffies);
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@ -1379,12 +1385,21 @@ static void netxen_nic_handle_phy_intr(struct netxen_adapter *adapter)
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port = adapter->physical_port;
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val = adapter->pci_read_normalize(adapter, CRB_XG_STATE);
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if (adapter->ahw.board_type == NETXEN_NIC_GBE)
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if (adapter->ahw.board_type == NETXEN_NIC_GBE) {
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val = adapter->pci_read_normalize(adapter, CRB_XG_STATE);
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linkup = (val >> port) & 1;
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else {
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val = (val >> port*8) & 0xff;
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linkup = (val == XG_LINK_UP);
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} else {
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if (adapter->fw_major < 4) {
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val = adapter->pci_read_normalize(adapter,
|
||||
CRB_XG_STATE);
|
||||
val = (val >> port*8) & 0xff;
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||||
linkup = (val == XG_LINK_UP);
|
||||
} else {
|
||||
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);
|
||||
}
|
||||
}
|
||||
|
||||
if (adapter->ahw.linkup && !linkup) {
|
||||
|
|
|
|||
|
|
@ -400,14 +400,16 @@ int netxen_niu_gbe_init_port(struct netxen_adapter *adapter, int port)
|
|||
{
|
||||
int result = 0;
|
||||
__u32 status;
|
||||
|
||||
if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
|
||||
return 0;
|
||||
|
||||
if (adapter->disable_phy_interrupts)
|
||||
adapter->disable_phy_interrupts(adapter);
|
||||
mdelay(2);
|
||||
|
||||
if (0 ==
|
||||
netxen_niu_gbe_phy_read(adapter,
|
||||
NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_STATUS,
|
||||
&status)) {
|
||||
if (0 == netxen_niu_gbe_phy_read(adapter,
|
||||
NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_STATUS, &status)) {
|
||||
if (netxen_get_phy_link(status)) {
|
||||
if (netxen_get_phy_speed(status) == 2) {
|
||||
netxen_niu_gbe_set_gmii_mode(adapter, port, 1);
|
||||
|
|
@ -455,12 +457,12 @@ int netxen_niu_gbe_init_port(struct netxen_adapter *adapter, int port)
|
|||
|
||||
int netxen_niu_xg_init_port(struct netxen_adapter *adapter, int port)
|
||||
{
|
||||
u32 portnum = adapter->physical_port;
|
||||
|
||||
netxen_crb_writelit_adapter(adapter,
|
||||
NETXEN_NIU_XGE_CONFIG_1+(0x10000*portnum), 0x1447);
|
||||
netxen_crb_writelit_adapter(adapter,
|
||||
NETXEN_NIU_XGE_CONFIG_0+(0x10000*portnum), 0x5);
|
||||
if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
|
||||
netxen_crb_writelit_adapter(adapter,
|
||||
NETXEN_NIU_XGE_CONFIG_1+(0x10000*port), 0x1447);
|
||||
netxen_crb_writelit_adapter(adapter,
|
||||
NETXEN_NIU_XGE_CONFIG_0+(0x10000*port), 0x5);
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
|
|
|||
|
|
@ -76,8 +76,8 @@
|
|||
#define CRB_RX_LRO_MID_TIMER NETXEN_NIC_REG(0x88)
|
||||
#define CRB_DMA_MAX_RCV_BUFS NETXEN_NIC_REG(0x8c)
|
||||
#define CRB_MAX_DMA_ENTRIES NETXEN_NIC_REG(0x90)
|
||||
#define CRB_XG_STATE NETXEN_NIC_REG(0x94) /* XG Link status */
|
||||
#define CRB_AGENT_GO NETXEN_NIC_REG(0x98) /* NIC pkt gen agent */
|
||||
#define CRB_XG_STATE NETXEN_NIC_REG(0x94) /* XG Link status */
|
||||
#define CRB_XG_STATE_P3 NETXEN_NIC_REG(0x98) /* XG PF Link status */
|
||||
#define CRB_AGENT_TX_SIZE NETXEN_NIC_REG(0x9c)
|
||||
#define CRB_AGENT_TX_TYPE NETXEN_NIC_REG(0xa0)
|
||||
#define CRB_AGENT_TX_ADDR NETXEN_NIC_REG(0xa4)
|
||||
|
|
|
|||
Loading…
Reference in a new issue