From 30128031d71741ef7d0e32c345e3bf02aa8a0704 Mon Sep 17 00:00:00 2001 From: Sathya Perla Date: Thu, 10 Nov 2011 19:17:57 +0000 Subject: be2net: init (vf)_if_handle/vf_pmac_id to handle failure scenarios Initialize if_handle, vf_if_handle and vf_pmac_id with "-1" so that in failure cases when be_clear() is called, we can skip over if_destroy/pmac_del cmds if they have not been created. Signed-off-by: Sathya Perla Signed-off-by: David S. Miller --- drivers/net/ethernet/emulex/benet/be.h | 8 +++----- 1 file changed, 3 insertions(+), 5 deletions(-) (limited to 'drivers/net/ethernet/emulex/benet/be.h') diff --git a/drivers/net/ethernet/emulex/benet/be.h b/drivers/net/ethernet/emulex/benet/be.h index 644e8fed8364..4163980d6bcd 100644 --- a/drivers/net/ethernet/emulex/benet/be.h +++ b/drivers/net/ethernet/emulex/benet/be.h @@ -289,14 +289,12 @@ struct be_drv_stats { struct be_vf_cfg { unsigned char vf_mac_addr[ETH_ALEN]; - u32 vf_if_handle; - u32 vf_pmac_id; + int vf_if_handle; + int vf_pmac_id; u16 vf_vlan_tag; u32 vf_tx_rate; }; -#define BE_INVALID_PMAC_ID 0xffffffff - struct be_adapter { struct pci_dev *pdev; struct net_device *netdev; @@ -347,7 +345,7 @@ struct be_adapter { /* Ethtool knobs and info */ char fw_ver[FW_VER_LEN]; - u32 if_handle; /* Used to configure filtering */ + int if_handle; /* Used to configure filtering */ u32 pmac_id; /* MAC addr handle used by BE card */ u32 beacon_state; /* for set_phys_id */ -- cgit v1.2.3 From 6589ade019dcab245d3bb847370f855b56cdf6ad Mon Sep 17 00:00:00 2001 From: Sathya Perla Date: Thu, 10 Nov 2011 19:18:00 +0000 Subject: be2net: stop issuing FW cmds if any cmd times out A FW cmd timeout (with a sufficiently large timeout value in the order of tens of seconds) indicates an unresponsive FW. In this state issuing further cmds and waiting for a completion will only stall the process. Signed-off-by: Sathya Perla Signed-off-by: David S. Miller --- drivers/net/ethernet/emulex/benet/be.h | 8 +++++++- drivers/net/ethernet/emulex/benet/be_cmds.c | 29 +++++++++++------------------ drivers/net/ethernet/emulex/benet/be_main.c | 2 ++ 3 files changed, 20 insertions(+), 19 deletions(-) (limited to 'drivers/net/ethernet/emulex/benet/be.h') diff --git a/drivers/net/ethernet/emulex/benet/be.h b/drivers/net/ethernet/emulex/benet/be.h index 4163980d6bcd..34f162db9f2e 100644 --- a/drivers/net/ethernet/emulex/benet/be.h +++ b/drivers/net/ethernet/emulex/benet/be.h @@ -350,6 +350,8 @@ struct be_adapter { u32 beacon_state; /* for set_phys_id */ bool eeh_err; + bool ue_detected; + bool fw_timeout; u32 port_num; bool promiscuous; bool wol; @@ -357,7 +359,6 @@ struct be_adapter { u32 function_caps; u32 rx_fc; /* Rx flow control */ u32 tx_fc; /* Tx flow control */ - bool ue_detected; bool stats_cmd_sent; int link_speed; u8 port_type; @@ -522,6 +523,11 @@ static inline bool be_multi_rxq(const struct be_adapter *adapter) return adapter->num_rx_qs > 1; } +static inline bool be_error(struct be_adapter *adapter) +{ + return adapter->eeh_err || adapter->ue_detected || adapter->fw_timeout; +} + extern void be_cq_notify(struct be_adapter *adapter, u16 qid, bool arm, u16 num_popped); extern void be_link_status_update(struct be_adapter *adapter, u32 link_status); diff --git a/drivers/net/ethernet/emulex/benet/be_cmds.c b/drivers/net/ethernet/emulex/benet/be_cmds.c index 94cd77ca367a..ad3eef0beea0 100644 --- a/drivers/net/ethernet/emulex/benet/be_cmds.c +++ b/drivers/net/ethernet/emulex/benet/be_cmds.c @@ -31,7 +31,7 @@ static void be_mcc_notify(struct be_adapter *adapter) struct be_queue_info *mccq = &adapter->mcc_obj.q; u32 val = 0; - if (adapter->eeh_err) + if (be_error(adapter)) return; val |= mccq->id & DB_MCCQ_RING_ID_MASK; @@ -263,10 +263,10 @@ static int be_mcc_wait_compl(struct be_adapter *adapter) int i, num, status = 0; struct be_mcc_obj *mcc_obj = &adapter->mcc_obj; - if (adapter->eeh_err) - return -EIO; - for (i = 0; i < mcc_timeout; i++) { + if (be_error(adapter)) + return -EIO; + num = be_process_mcc(adapter, &status); if (num) be_cq_notify(adapter, mcc_obj->cq.id, @@ -277,7 +277,8 @@ static int be_mcc_wait_compl(struct be_adapter *adapter) udelay(100); } if (i == mcc_timeout) { - dev_err(&adapter->pdev->dev, "mccq poll timed out\n"); + dev_err(&adapter->pdev->dev, "FW not responding\n"); + adapter->fw_timeout = true; return -1; } return status; @@ -295,10 +296,10 @@ static int be_mbox_db_ready_wait(struct be_adapter *adapter, void __iomem *db) int msecs = 0; u32 ready; - if (adapter->eeh_err) - return -EIO; - do { + if (be_error(adapter)) + return -EIO; + ready = ioread32(db); if (ready == 0xffffffff) return -1; @@ -308,7 +309,8 @@ static int be_mbox_db_ready_wait(struct be_adapter *adapter, void __iomem *db) break; if (msecs > 4000) { - dev_err(&adapter->pdev->dev, "mbox poll timed out\n"); + dev_err(&adapter->pdev->dev, "FW not responding\n"); + adapter->fw_timeout = true; be_detect_dump_ue(adapter); return -1; } @@ -546,9 +548,6 @@ int be_cmd_fw_clean(struct be_adapter *adapter) u8 *wrb; int status; - if (adapter->eeh_err) - return -EIO; - if (mutex_lock_interruptible(&adapter->mbox_lock)) return -1; @@ -1012,9 +1011,6 @@ int be_cmd_q_destroy(struct be_adapter *adapter, struct be_queue_info *q, u8 subsys = 0, opcode = 0; int status; - if (adapter->eeh_err) - return -EIO; - if (mutex_lock_interruptible(&adapter->mbox_lock)) return -1; @@ -1136,9 +1132,6 @@ int be_cmd_if_destroy(struct be_adapter *adapter, int interface_id, u32 domain) struct be_cmd_req_if_destroy *req; int status; - if (adapter->eeh_err) - return -EIO; - if (interface_id == -1) return 0; diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c index 0e97b6d01c79..ce20d64d1f95 100644 --- a/drivers/net/ethernet/emulex/benet/be_main.c +++ b/drivers/net/ethernet/emulex/benet/be_main.c @@ -3569,6 +3569,8 @@ static pci_ers_result_t be_eeh_reset(struct pci_dev *pdev) dev_info(&adapter->pdev->dev, "EEH reset\n"); adapter->eeh_err = false; + adapter->ue_detected = false; + adapter->fw_timeout = false; status = pci_enable_device(pdev); if (status) -- cgit v1.2.3 From 11ac75ed1eb9d8f5ff067fa9a82ebf5075989281 Mon Sep 17 00:00:00 2001 From: Sathya Perla Date: Tue, 13 Dec 2011 00:58:50 +0000 Subject: be2net: refactor/cleanup vf configuration code - use adapter->num_vfs (and not the module param) to store the actual number of vfs created. Use the same variable to reflect SRIOV enable/disable state. So, drop the adapter->sriov_enabled field. - use for_all_vfs() macro in VF configuration code - drop the "vf_" prefix for the fields of be_vf_cfg; the prefix is redundant and removing it helps reduce line wrap Signed-off-by: Sathya Perla Signed-off-by: David S. Miller --- drivers/net/ethernet/emulex/benet/be.h | 20 ++-- drivers/net/ethernet/emulex/benet/be_main.c | 137 ++++++++++++++-------------- 2 files changed, 80 insertions(+), 77 deletions(-) (limited to 'drivers/net/ethernet/emulex/benet/be.h') diff --git a/drivers/net/ethernet/emulex/benet/be.h b/drivers/net/ethernet/emulex/benet/be.h index 34f162db9f2e..a3588fb8d6a9 100644 --- a/drivers/net/ethernet/emulex/benet/be.h +++ b/drivers/net/ethernet/emulex/benet/be.h @@ -288,11 +288,11 @@ struct be_drv_stats { }; struct be_vf_cfg { - unsigned char vf_mac_addr[ETH_ALEN]; - int vf_if_handle; - int vf_pmac_id; - u16 vf_vlan_tag; - u32 vf_tx_rate; + unsigned char mac_addr[ETH_ALEN]; + int if_handle; + int pmac_id; + u16 vlan_tag; + u32 tx_rate; }; struct be_adapter { @@ -368,16 +368,20 @@ struct be_adapter { u32 flash_status; struct completion flash_compl; - bool be3_native; - bool sriov_enabled; - struct be_vf_cfg *vf_cfg; + u32 num_vfs; u8 is_virtfn; + struct be_vf_cfg *vf_cfg; + bool be3_native; u32 sli_family; u8 hba_port_num; u16 pvid; }; #define be_physfn(adapter) (!adapter->is_virtfn) +#define sriov_enabled(adapter) (adapter->num_vfs > 0) +#define for_all_vfs(adapter, vf_cfg, i) \ + for (i = 0, vf_cfg = &adapter->vf_cfg[i]; i < adapter->num_vfs; \ + i++, vf_cfg++) /* BladeEngine Generation numbers */ #define BE_GEN2 2 diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c index 62f55145fa44..9b5304a653f3 100644 --- a/drivers/net/ethernet/emulex/benet/be_main.c +++ b/drivers/net/ethernet/emulex/benet/be_main.c @@ -27,13 +27,14 @@ MODULE_DESCRIPTION(DRV_DESC " " DRV_VER); MODULE_AUTHOR("ServerEngines Corporation"); MODULE_LICENSE("GPL"); -static ushort rx_frag_size = 2048; static unsigned int num_vfs; -module_param(rx_frag_size, ushort, S_IRUGO); module_param(num_vfs, uint, S_IRUGO); -MODULE_PARM_DESC(rx_frag_size, "Size of a fragment that holds rcvd data."); MODULE_PARM_DESC(num_vfs, "Number of PCI VFs to initialize"); +static ushort rx_frag_size = 2048; +module_param(rx_frag_size, ushort, S_IRUGO); +MODULE_PARM_DESC(rx_frag_size, "Size of a fragment that holds rcvd data."); + static DEFINE_PCI_DEVICE_TABLE(be_dev_ids) = { { PCI_DEVICE(BE_VENDOR_ID, BE_DEVICE_ID1) }, { PCI_DEVICE(BE_VENDOR_ID, BE_DEVICE_ID2) }, @@ -779,15 +780,15 @@ static int be_change_mtu(struct net_device *netdev, int new_mtu) */ static int be_vid_config(struct be_adapter *adapter, bool vf, u32 vf_num) { + struct be_vf_cfg *vf_cfg = &adapter->vf_cfg[vf_num]; u16 vtag[BE_NUM_VLANS_SUPPORTED]; u16 ntags = 0, i; int status = 0; - u32 if_handle; if (vf) { - if_handle = adapter->vf_cfg[vf_num].vf_if_handle; - vtag[0] = cpu_to_le16(adapter->vf_cfg[vf_num].vf_vlan_tag); - status = be_cmd_vlan_config(adapter, if_handle, vtag, 1, 1, 0); + vtag[0] = cpu_to_le16(vf_cfg->vlan_tag); + status = be_cmd_vlan_config(adapter, vf_cfg->if_handle, vtag, + 1, 1, 0); } /* No need to further configure vids if in promiscuous mode */ @@ -877,31 +878,30 @@ done: static int be_set_vf_mac(struct net_device *netdev, int vf, u8 *mac) { struct be_adapter *adapter = netdev_priv(netdev); + struct be_vf_cfg *vf_cfg = &adapter->vf_cfg[vf]; int status; - if (!adapter->sriov_enabled) + if (!sriov_enabled(adapter)) return -EPERM; - if (!is_valid_ether_addr(mac) || (vf >= num_vfs)) + if (!is_valid_ether_addr(mac) || vf >= adapter->num_vfs) return -EINVAL; if (lancer_chip(adapter)) { status = be_cmd_set_mac_list(adapter, mac, 1, vf + 1); } else { - status = be_cmd_pmac_del(adapter, - adapter->vf_cfg[vf].vf_if_handle, - adapter->vf_cfg[vf].vf_pmac_id, vf + 1); + status = be_cmd_pmac_del(adapter, vf_cfg->if_handle, + vf_cfg->pmac_id, vf + 1); - status = be_cmd_pmac_add(adapter, mac, - adapter->vf_cfg[vf].vf_if_handle, - &adapter->vf_cfg[vf].vf_pmac_id, vf + 1); + status = be_cmd_pmac_add(adapter, mac, vf_cfg->if_handle, + &vf_cfg->pmac_id, vf + 1); } if (status) dev_err(&adapter->pdev->dev, "MAC %pM set on VF %d Failed\n", mac, vf); else - memcpy(adapter->vf_cfg[vf].vf_mac_addr, mac, ETH_ALEN); + memcpy(vf_cfg->mac_addr, mac, ETH_ALEN); return status; } @@ -910,18 +910,19 @@ static int be_get_vf_config(struct net_device *netdev, int vf, struct ifla_vf_info *vi) { struct be_adapter *adapter = netdev_priv(netdev); + struct be_vf_cfg *vf_cfg = &adapter->vf_cfg[vf]; - if (!adapter->sriov_enabled) + if (!sriov_enabled(adapter)) return -EPERM; - if (vf >= num_vfs) + if (vf >= adapter->num_vfs) return -EINVAL; vi->vf = vf; - vi->tx_rate = adapter->vf_cfg[vf].vf_tx_rate; - vi->vlan = adapter->vf_cfg[vf].vf_vlan_tag; + vi->tx_rate = vf_cfg->tx_rate; + vi->vlan = vf_cfg->vlan_tag; vi->qos = 0; - memcpy(&vi->mac, adapter->vf_cfg[vf].vf_mac_addr, ETH_ALEN); + memcpy(&vi->mac, vf_cfg->mac_addr, ETH_ALEN); return 0; } @@ -932,17 +933,17 @@ static int be_set_vf_vlan(struct net_device *netdev, struct be_adapter *adapter = netdev_priv(netdev); int status = 0; - if (!adapter->sriov_enabled) + if (!sriov_enabled(adapter)) return -EPERM; - if ((vf >= num_vfs) || (vlan > 4095)) + if (vf >= adapter->num_vfs || vlan > 4095) return -EINVAL; if (vlan) { - adapter->vf_cfg[vf].vf_vlan_tag = vlan; + adapter->vf_cfg[vf].vlan_tag = vlan; adapter->vlans_added++; } else { - adapter->vf_cfg[vf].vf_vlan_tag = 0; + adapter->vf_cfg[vf].vlan_tag = 0; adapter->vlans_added--; } @@ -960,16 +961,16 @@ static int be_set_vf_tx_rate(struct net_device *netdev, struct be_adapter *adapter = netdev_priv(netdev); int status = 0; - if (!adapter->sriov_enabled) + if (!sriov_enabled(adapter)) return -EPERM; - if ((vf >= num_vfs) || (rate < 0)) + if (vf >= adapter->num_vfs || rate < 0) return -EINVAL; if (rate > 10000) rate = 10000; - adapter->vf_cfg[vf].vf_tx_rate = rate; + adapter->vf_cfg[vf].tx_rate = rate; status = be_cmd_set_qos(adapter, rate / 10, vf + 1); if (status) @@ -1685,8 +1686,7 @@ static void be_tx_queues_destroy(struct be_adapter *adapter) static int be_num_txqs_want(struct be_adapter *adapter) { - if ((num_vfs && adapter->sriov_enabled) || - be_is_mc(adapter) || + if (sriov_enabled(adapter) || be_is_mc(adapter) || lancer_chip(adapter) || !be_physfn(adapter) || adapter->generation == BE_GEN2) return 1; @@ -1768,8 +1768,8 @@ static void be_rx_queues_destroy(struct be_adapter *adapter) static u32 be_num_rxqs_want(struct be_adapter *adapter) { if ((adapter->function_caps & BE_FUNCTION_CAPS_RSS) && - !adapter->sriov_enabled && be_physfn(adapter) && - !be_is_mc(adapter)) { + !sriov_enabled(adapter) && be_physfn(adapter) && + !be_is_mc(adapter)) { return 1 + MAX_RSS_QS; /* one default non-RSS queue */ } else { dev_warn(&adapter->pdev->dev, @@ -2116,27 +2116,28 @@ done: static int be_sriov_enable(struct be_adapter *adapter) { be_check_sriov_fn_type(adapter); + #ifdef CONFIG_PCI_IOV if (be_physfn(adapter) && num_vfs) { int status, pos; - u16 nvfs; + u16 dev_vfs; pos = pci_find_ext_capability(adapter->pdev, PCI_EXT_CAP_ID_SRIOV); pci_read_config_word(adapter->pdev, - pos + PCI_SRIOV_TOTAL_VF, &nvfs); + pos + PCI_SRIOV_TOTAL_VF, &dev_vfs); - if (num_vfs > nvfs) { + adapter->num_vfs = min_t(u16, num_vfs, dev_vfs); + if (adapter->num_vfs != num_vfs) dev_info(&adapter->pdev->dev, - "Device supports %d VFs and not %d\n", - nvfs, num_vfs); - num_vfs = nvfs; - } + "Device supports %d VFs and not %d\n", + adapter->num_vfs, num_vfs); - status = pci_enable_sriov(adapter->pdev, num_vfs); - adapter->sriov_enabled = status ? false : true; + status = pci_enable_sriov(adapter->pdev, adapter->num_vfs); + if (status) + adapter->num_vfs = 0; - if (adapter->sriov_enabled) { + if (adapter->num_vfs) { adapter->vf_cfg = kcalloc(num_vfs, sizeof(struct be_vf_cfg), GFP_KERNEL); @@ -2151,10 +2152,10 @@ static int be_sriov_enable(struct be_adapter *adapter) static void be_sriov_disable(struct be_adapter *adapter) { #ifdef CONFIG_PCI_IOV - if (adapter->sriov_enabled) { + if (sriov_enabled(adapter)) { pci_disable_sriov(adapter->pdev); kfree(adapter->vf_cfg); - adapter->sriov_enabled = false; + adapter->num_vfs = 0; } #endif } @@ -2466,24 +2467,24 @@ static inline int be_vf_eth_addr_config(struct be_adapter *adapter) u32 vf; int status = 0; u8 mac[ETH_ALEN]; + struct be_vf_cfg *vf_cfg; be_vf_eth_addr_generate(adapter, mac); - for (vf = 0; vf < num_vfs; vf++) { + for_all_vfs(adapter, vf_cfg, vf) { if (lancer_chip(adapter)) { status = be_cmd_set_mac_list(adapter, mac, 1, vf + 1); } else { status = be_cmd_pmac_add(adapter, mac, - adapter->vf_cfg[vf].vf_if_handle, - &adapter->vf_cfg[vf].vf_pmac_id, - vf + 1); + vf_cfg->if_handle, + &vf_cfg->pmac_id, vf + 1); } if (status) dev_err(&adapter->pdev->dev, "Mac address assignment failed for VF %d\n", vf); else - memcpy(adapter->vf_cfg[vf].vf_mac_addr, mac, ETH_ALEN); + memcpy(vf_cfg->mac_addr, mac, ETH_ALEN); mac[5] += 1; } @@ -2492,25 +2493,23 @@ static inline int be_vf_eth_addr_config(struct be_adapter *adapter) static void be_vf_clear(struct be_adapter *adapter) { + struct be_vf_cfg *vf_cfg; u32 vf; - for (vf = 0; vf < num_vfs; vf++) { + for_all_vfs(adapter, vf_cfg, vf) { if (lancer_chip(adapter)) be_cmd_set_mac_list(adapter, NULL, 0, vf + 1); else - be_cmd_pmac_del(adapter, - adapter->vf_cfg[vf].vf_if_handle, - adapter->vf_cfg[vf].vf_pmac_id, vf + 1); - } + be_cmd_pmac_del(adapter, vf_cfg->if_handle, + vf_cfg->pmac_id, vf + 1); - for (vf = 0; vf < num_vfs; vf++) - be_cmd_if_destroy(adapter, adapter->vf_cfg[vf].vf_if_handle, - vf + 1); + be_cmd_if_destroy(adapter, vf_cfg->if_handle, vf + 1); + } } static int be_clear(struct be_adapter *adapter) { - if (be_physfn(adapter) && adapter->sriov_enabled) + if (sriov_enabled(adapter)) be_vf_clear(adapter); be_cmd_if_destroy(adapter, adapter->if_handle, 0); @@ -2526,16 +2525,18 @@ static int be_clear(struct be_adapter *adapter) static void be_vf_setup_init(struct be_adapter *adapter) { + struct be_vf_cfg *vf_cfg; int vf; - for (vf = 0; vf < num_vfs; vf++) { - adapter->vf_cfg[vf].vf_if_handle = -1; - adapter->vf_cfg[vf].vf_pmac_id = -1; + for_all_vfs(adapter, vf_cfg, vf) { + vf_cfg->if_handle = -1; + vf_cfg->pmac_id = -1; } } static int be_vf_setup(struct be_adapter *adapter) { + struct be_vf_cfg *vf_cfg; u32 cap_flags, en_flags, vf; u16 lnk_speed; int status; @@ -2544,11 +2545,9 @@ static int be_vf_setup(struct be_adapter *adapter) cap_flags = en_flags = BE_IF_FLAGS_UNTAGGED | BE_IF_FLAGS_BROADCAST | BE_IF_FLAGS_MULTICAST; - - for (vf = 0; vf < num_vfs; vf++) { + for_all_vfs(adapter, vf_cfg, vf) { status = be_cmd_if_create(adapter, cap_flags, en_flags, NULL, - &adapter->vf_cfg[vf].vf_if_handle, - NULL, vf+1); + &vf_cfg->if_handle, NULL, vf + 1); if (status) goto err; } @@ -2557,12 +2556,12 @@ static int be_vf_setup(struct be_adapter *adapter) if (status) goto err; - for (vf = 0; vf < num_vfs; vf++) { + for_all_vfs(adapter, vf_cfg, vf) { status = be_cmd_link_status_query(adapter, NULL, &lnk_speed, - vf + 1); + vf + 1); if (status) goto err; - adapter->vf_cfg[vf].vf_tx_rate = lnk_speed * 10; + vf_cfg->tx_rate = lnk_speed * 10; } return 0; err: @@ -2690,7 +2689,7 @@ static int be_setup(struct be_adapter *adapter) pcie_set_readrq(adapter->pdev, 4096); - if (be_physfn(adapter) && adapter->sriov_enabled) { + if (sriov_enabled(adapter)) { status = be_vf_setup(adapter); if (status) goto err; -- cgit v1.2.3 From ecedb6ae908e3a8a19942da921a3ffb1c5a0d6ab Mon Sep 17 00:00:00 2001 From: Ajit Khaparde Date: Thu, 15 Dec 2011 06:31:38 +0000 Subject: be2net: Add support for Skyhawk cards Signed-off-by: Ajit Khaparde Signed-off-by: David S. Miller --- drivers/net/ethernet/emulex/benet/be.h | 4 ++++ drivers/net/ethernet/emulex/benet/be_main.c | 2 ++ 2 files changed, 6 insertions(+) (limited to 'drivers/net/ethernet/emulex/benet/be.h') diff --git a/drivers/net/ethernet/emulex/benet/be.h b/drivers/net/ethernet/emulex/benet/be.h index a3588fb8d6a9..995198d72b84 100644 --- a/drivers/net/ethernet/emulex/benet/be.h +++ b/drivers/net/ethernet/emulex/benet/be.h @@ -40,6 +40,7 @@ #define OC_NAME "Emulex OneConnect 10Gbps NIC" #define OC_NAME_BE OC_NAME "(be3)" #define OC_NAME_LANCER OC_NAME "(Lancer)" +#define OC_NAME_SH OC_NAME "(Skyhawk)" #define DRV_DESC "ServerEngines BladeEngine 10Gbps NIC Driver" #define BE_VENDOR_ID 0x19a2 @@ -50,6 +51,7 @@ #define OC_DEVICE_ID2 0x710 /* Device Id for BE3 cards */ #define OC_DEVICE_ID3 0xe220 /* Device id for Lancer cards */ #define OC_DEVICE_ID4 0xe228 /* Device id for VF in Lancer */ +#define OC_DEVICE_ID5 0x720 /* Device Id for Skyhawk cards */ static inline char *nic_name(struct pci_dev *pdev) { @@ -63,6 +65,8 @@ static inline char *nic_name(struct pci_dev *pdev) return OC_NAME_LANCER; case BE_DEVICE_ID2: return BE3_NAME; + case OC_DEVICE_ID5: + return OC_NAME_SH; default: return BE_NAME; } diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c index 9b5304a653f3..b145a4963947 100644 --- a/drivers/net/ethernet/emulex/benet/be_main.c +++ b/drivers/net/ethernet/emulex/benet/be_main.c @@ -42,6 +42,7 @@ static DEFINE_PCI_DEVICE_TABLE(be_dev_ids) = { { PCI_DEVICE(BE_VENDOR_ID, OC_DEVICE_ID2) }, { PCI_DEVICE(EMULEX_VENDOR_ID, OC_DEVICE_ID3)}, { PCI_DEVICE(EMULEX_VENDOR_ID, OC_DEVICE_ID4)}, + { PCI_DEVICE(EMULEX_VENDOR_ID, OC_DEVICE_ID5)}, { 0 } }; MODULE_DEVICE_TABLE(pci, be_dev_ids); @@ -3312,6 +3313,7 @@ static int be_dev_family_check(struct be_adapter *adapter) break; case BE_DEVICE_ID2: case OC_DEVICE_ID2: + case OC_DEVICE_ID5: adapter->generation = BE_GEN3; break; case OC_DEVICE_ID3: -- cgit v1.2.3 From b236916a68d923acff15787b5439d7d684c17ae5 Mon Sep 17 00:00:00 2001 From: Ajit Khaparde Date: Fri, 30 Dec 2011 12:15:40 +0000 Subject: be2net: query link status in be_open() be2net gets an async link status notification from the FW when it creates an MCC queue. There are some cases in which this gratuitous notification is not received from FW. To cover this explicitly query the link status in be_open(). Signed-off-by: Vasundhara Volam Signed-off-by: Sathya Perla Signed-off-by: Ajit Khaparde Signed-off-by: David S. Miller --- drivers/net/ethernet/emulex/benet/be.h | 5 ++++- drivers/net/ethernet/emulex/benet/be_cmds.c | 21 +++++++++++++++++---- drivers/net/ethernet/emulex/benet/be_cmds.h | 7 ++++--- drivers/net/ethernet/emulex/benet/be_ethtool.c | 7 +++++-- drivers/net/ethernet/emulex/benet/be_main.c | 24 +++++++++++++++--------- 5 files changed, 45 insertions(+), 19 deletions(-) (limited to 'drivers/net/ethernet/emulex/benet/be.h') diff --git a/drivers/net/ethernet/emulex/benet/be.h b/drivers/net/ethernet/emulex/benet/be.h index 995198d72b84..cbdec2536da6 100644 --- a/drivers/net/ethernet/emulex/benet/be.h +++ b/drivers/net/ethernet/emulex/benet/be.h @@ -299,6 +299,8 @@ struct be_vf_cfg { u32 tx_rate; }; +#define BE_FLAGS_LINK_STATUS_INIT 1 + struct be_adapter { struct pci_dev *pdev; struct net_device *netdev; @@ -347,6 +349,7 @@ struct be_adapter { struct delayed_work work; u16 work_counter; + u32 flags; /* Ethtool knobs and info */ char fw_ver[FW_VER_LEN]; int if_handle; /* Used to configure filtering */ @@ -538,7 +541,7 @@ static inline bool be_error(struct be_adapter *adapter) extern void be_cq_notify(struct be_adapter *adapter, u16 qid, bool arm, u16 num_popped); -extern void be_link_status_update(struct be_adapter *adapter, u32 link_status); +extern void be_link_status_update(struct be_adapter *adapter, u8 link_status); extern void be_parse_stats(struct be_adapter *adapter); extern int be_load_fw(struct be_adapter *adapter, u8 *func); #endif /* BE_H */ diff --git a/drivers/net/ethernet/emulex/benet/be_cmds.c b/drivers/net/ethernet/emulex/benet/be_cmds.c index 62868ea48295..0fcb45624796 100644 --- a/drivers/net/ethernet/emulex/benet/be_cmds.c +++ b/drivers/net/ethernet/emulex/benet/be_cmds.c @@ -125,7 +125,14 @@ done: static void be_async_link_state_process(struct be_adapter *adapter, struct be_async_event_link_state *evt) { - be_link_status_update(adapter, evt->port_link_status); + /* When link status changes, link speed must be re-queried from FW */ + adapter->link_speed = -1; + + /* For the initial link status do not rely on the ASYNC event as + * it may not be received in some cases. + */ + if (adapter->flags & BE_FLAGS_LINK_STATUS_INIT) + be_link_status_update(adapter, evt->port_link_status); } /* Grp5 CoS Priority evt */ @@ -1232,7 +1239,7 @@ err: /* Uses synchronous mcc */ int be_cmd_link_status_query(struct be_adapter *adapter, u8 *mac_speed, - u16 *link_speed, u32 dom) + u16 *link_speed, u8 *link_status, u32 dom) { struct be_mcc_wrb *wrb; struct be_cmd_req_link_status *req; @@ -1240,6 +1247,9 @@ int be_cmd_link_status_query(struct be_adapter *adapter, u8 *mac_speed, spin_lock_bh(&adapter->mcc_lock); + if (link_status) + *link_status = LINK_DOWN; + wrb = wrb_from_mccq(adapter); if (!wrb) { status = -EBUSY; @@ -1247,7 +1257,7 @@ int be_cmd_link_status_query(struct be_adapter *adapter, u8 *mac_speed, } req = embedded_payload(wrb); - if (lancer_chip(adapter)) + if (adapter->generation == BE_GEN3 || lancer_chip(adapter)) req->hdr.version = 1; be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON, @@ -1257,10 +1267,13 @@ int be_cmd_link_status_query(struct be_adapter *adapter, u8 *mac_speed, if (!status) { struct be_cmd_resp_link_status *resp = embedded_payload(wrb); if (resp->mac_speed != PHY_LINK_SPEED_ZERO) { - *link_speed = le16_to_cpu(resp->link_speed); + if (link_speed) + *link_speed = le16_to_cpu(resp->link_speed); if (mac_speed) *mac_speed = resp->mac_speed; } + if (link_status) + *link_status = resp->logical_link_status; } err: diff --git a/drivers/net/ethernet/emulex/benet/be_cmds.h b/drivers/net/ethernet/emulex/benet/be_cmds.h index 0b694c640642..dca89249088f 100644 --- a/drivers/net/ethernet/emulex/benet/be_cmds.h +++ b/drivers/net/ethernet/emulex/benet/be_cmds.h @@ -960,7 +960,8 @@ struct be_cmd_resp_link_status { u8 mgmt_mac_duplex; u8 mgmt_mac_speed; u16 link_speed; - u32 rsvd0; + u8 logical_link_status; + u8 rsvd1[3]; } __packed; /******************** Port Identification ***************************/ @@ -1507,8 +1508,8 @@ extern int be_cmd_q_destroy(struct be_adapter *adapter, struct be_queue_info *q, int type); extern int be_cmd_rxq_destroy(struct be_adapter *adapter, struct be_queue_info *q); -extern int be_cmd_link_status_query(struct be_adapter *adapter, - u8 *mac_speed, u16 *link_speed, u32 dom); +extern int be_cmd_link_status_query(struct be_adapter *adapter, u8 *mac_speed, + u16 *link_speed, u8 *link_status, u32 dom); extern int be_cmd_reset(struct be_adapter *adapter); extern int be_cmd_get_stats(struct be_adapter *adapter, struct be_dma_mem *nonemb_cmd); diff --git a/drivers/net/ethernet/emulex/benet/be_ethtool.c b/drivers/net/ethernet/emulex/benet/be_ethtool.c index 6ba2dc6bdf7b..6db6b6ae5e9b 100644 --- a/drivers/net/ethernet/emulex/benet/be_ethtool.c +++ b/drivers/net/ethernet/emulex/benet/be_ethtool.c @@ -429,11 +429,14 @@ static int be_get_settings(struct net_device *netdev, struct ethtool_cmd *ecmd) struct be_phy_info phy_info; u8 mac_speed = 0; u16 link_speed = 0; + u8 link_status; int status; if ((adapter->link_speed < 0) || (!(netdev->flags & IFF_UP))) { status = be_cmd_link_status_query(adapter, &mac_speed, - &link_speed, 0); + &link_speed, &link_status, 0); + if (!status) + be_link_status_update(adapter, link_status); /* link_speed is in units of 10 Mbps */ if (link_speed) { @@ -700,7 +703,7 @@ be_self_test(struct net_device *netdev, struct ethtool_test *test, u64 *data) } if (be_cmd_link_status_query(adapter, &mac_speed, - &qos_link_speed, 0) != 0) { + &qos_link_speed, NULL, 0) != 0) { test->flags |= ETH_TEST_FL_FAILED; data[4] = -1; } else if (!mac_speed) { diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c index fe702c1c866d..6c46753aeb43 100644 --- a/drivers/net/ethernet/emulex/benet/be_main.c +++ b/drivers/net/ethernet/emulex/benet/be_main.c @@ -496,19 +496,19 @@ static struct rtnl_link_stats64 *be_get_stats64(struct net_device *netdev, return stats; } -void be_link_status_update(struct be_adapter *adapter, u32 link_status) +void be_link_status_update(struct be_adapter *adapter, u8 link_status) { struct net_device *netdev = adapter->netdev; - /* when link status changes, link speed must be re-queried from card */ - adapter->link_speed = -1; - if ((link_status & LINK_STATUS_MASK) == LINK_UP) { - netif_carrier_on(netdev); - dev_info(&adapter->pdev->dev, "%s: Link up\n", netdev->name); - } else { + if (!(adapter->flags & BE_FLAGS_LINK_STATUS_INIT)) { netif_carrier_off(netdev); - dev_info(&adapter->pdev->dev, "%s: Link down\n", netdev->name); + adapter->flags |= BE_FLAGS_LINK_STATUS_INIT; } + + if ((link_status & LINK_STATUS_MASK) == LINK_UP) + netif_carrier_on(netdev); + else + netif_carrier_off(netdev); } static void be_tx_stats_update(struct be_tx_obj *txo, @@ -2414,6 +2414,7 @@ static int be_open(struct net_device *netdev) struct be_adapter *adapter = netdev_priv(netdev); struct be_eq_obj *tx_eq = &adapter->tx_eq; struct be_rx_obj *rxo; + u8 link_status; int status, i; status = be_rx_queues_setup(adapter); @@ -2437,6 +2438,11 @@ static int be_open(struct net_device *netdev) /* Now that interrupts are on we can process async mcc */ be_async_mcc_enable(adapter); + status = be_cmd_link_status_query(adapter, NULL, NULL, + &link_status, 0); + if (!status) + be_link_status_update(adapter, link_status); + return 0; err: be_close(adapter->netdev); @@ -2584,7 +2590,7 @@ static int be_vf_setup(struct be_adapter *adapter) for_all_vfs(adapter, vf_cfg, vf) { status = be_cmd_link_status_query(adapter, NULL, &lnk_speed, - vf + 1); + NULL, vf + 1); if (status) goto err; vf_cfg->tx_rate = lnk_speed * 10; -- cgit v1.2.3