From 34c9ef8bc66e21bdecb215b2fb7d93092468d27d Mon Sep 17 00:00:00 2001 From: Bruce Allan Date: Fri, 21 Oct 2011 04:33:47 +0000 Subject: [PATCH 01/10] e1000e: demote a debugging WARN to a debug log message This debugging message was recently added but it does not need to be as alarming as a WARN. Signed-off-by: Bruce Allan Tested-by: Aaron Brown Signed-off-by: Jeff Kirsher --- drivers/net/ethernet/intel/e1000e/ich8lan.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/net/ethernet/intel/e1000e/ich8lan.c b/drivers/net/ethernet/intel/e1000e/ich8lan.c index 6a17c62cb86f..e2a80a283fd3 100644 --- a/drivers/net/ethernet/intel/e1000e/ich8lan.c +++ b/drivers/net/ethernet/intel/e1000e/ich8lan.c @@ -866,8 +866,7 @@ static s32 e1000_acquire_swflag_ich8lan(struct e1000_hw *hw) if (test_and_set_bit(__E1000_ACCESS_SHARED_RESOURCE, &hw->adapter->state)) { - WARN(1, "e1000e: %s: contention for Phy access\n", - hw->adapter->netdev->name); + e_dbg("contention for Phy access\n"); return -E1000_ERR_PHY; } From 243559f436f26b571ea3a4e70ff082892dc58f16 Mon Sep 17 00:00:00 2001 From: Jesse Brandeburg Date: Sat, 22 Oct 2011 05:18:10 +0000 Subject: [PATCH 02/10] e100: make sure vlan support isn't advertised on old adapters e100 parts don't support vlan offload but they generally do allow use of vlans in higher software layers via the 8021q module. That said, there are a couple of really old revisions of e100 hardware that don't even allow the longer frame sizes required for vlan use with standard MTU. Use the VLAN_CHALLENGED flag to prevent vlan binding to these devices. Reported-by: Michael Tokarev Signed-off-by: Jesse Brandeburg CC: Michael Tokarev CC: David Lamparter Tested-by: Aaron Brown Signed-off-by: Jeff Kirsher --- drivers/net/ethernet/intel/e100.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/net/ethernet/intel/e100.c b/drivers/net/ethernet/intel/e100.c index ae17cd1a907f..5a2fdf7a00c8 100644 --- a/drivers/net/ethernet/intel/e100.c +++ b/drivers/net/ethernet/intel/e100.c @@ -2810,6 +2810,10 @@ static int __devinit e100_probe(struct pci_dev *pdev, e100_get_defaults(nic); + /* D100 MAC doesn't allow rx of vlan packets with normal MTU */ + if (nic->mac < mac_82558_D101_A4) + netdev->features |= NETIF_F_VLAN_CHALLENGED; + /* locks must be initialized before calling hw_reset */ spin_lock_init(&nic->cb_lock); spin_lock_init(&nic->cmd_lock); From d5a0e3640c05b7d07c548f9f8f986dbb87cfad98 Mon Sep 17 00:00:00 2001 From: "Kantecki, Tomasz" Date: Mon, 17 Oct 2011 22:06:59 +0000 Subject: [PATCH 03/10] igb: Fix for I347AT4 PHY cable length unit detection The PHY cable length unit detection was not using the correct the correct PHY data variable for I347AT4. Signed-off-by: Tomasz Kantecki Signed-off-by: Jeff Kirsher --- drivers/net/ethernet/intel/igb/e1000_phy.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/ethernet/intel/igb/e1000_phy.c b/drivers/net/ethernet/intel/igb/e1000_phy.c index 7edf31efe756..b17d7c20f817 100644 --- a/drivers/net/ethernet/intel/igb/e1000_phy.c +++ b/drivers/net/ethernet/intel/igb/e1000_phy.c @@ -1687,7 +1687,7 @@ s32 igb_get_cable_length_m88_gen2(struct e1000_hw *hw) if (ret_val) goto out; - is_cm = !(phy_data & I347AT4_PCDC_CABLE_LENGTH_UNIT); + is_cm = !(phy_data2 & I347AT4_PCDC_CABLE_LENGTH_UNIT); /* Populate the phy structure with cable length in meters */ phy->min_cable_length = phy_data / (is_cm ? 100 : 1); From 232ef6bc451de2bc17c22fd116838cd89b94e1c1 Mon Sep 17 00:00:00 2001 From: Emil Tantilov Date: Wed, 19 Oct 2011 07:41:58 +0000 Subject: [PATCH 04/10] ixgbe: Fix link issues caused by a reset while interface is down Interface fails to obtain link on 82599 SFP in the following scenario: 1. Set advertised speed to GB: ethtool -s eth0 advertise 0x20 2. Bring interface down ip link set eth0 down 3. Issue any command that leads to a reset: ethtool -t eth0 4. Bring link back up: ip link set eth0 up Following patch makes sure that the driver flaps the Tx laser every time ixgbe_start_hw() is called, and not only when the speed is set. Signed-off-by: Emil Tantilov Tested-by: Phil Schmitt Signed-off-by: Jeff Kirsher --- drivers/net/ethernet/intel/ixgbe/ixgbe_main.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c index 09b8e88b2999..b7abf43a877e 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c @@ -6125,7 +6125,6 @@ static void ixgbe_sfp_link_config_subtask(struct ixgbe_adapter *adapter) autoneg = hw->phy.autoneg_advertised; if ((!autoneg) && (hw->mac.ops.get_link_capabilities)) hw->mac.ops.get_link_capabilities(hw, &autoneg, &negotiation); - hw->mac.autotry_restart = false; if (hw->mac.ops.setup_link) hw->mac.ops.setup_link(hw, autoneg, negotiation, true); From 93d3ce8fafb888702311fc8c5917faa4c25b8266 Mon Sep 17 00:00:00 2001 From: Emil Tantilov Date: Wed, 19 Oct 2011 07:59:55 +0000 Subject: [PATCH 05/10] ixgbe: fix disabling of Tx laser at probe register_netdev() calls ndo_set_features() which may result in HW reset which in turn will bring the laser back up. This patch moves ixgbe_laser_tx_disable() below register_netdev() in ixgbe_probe() to make sure laser is shut off on load. Signed-off-by: Emil Tantilov Tested-by: Phil Schmitt Signed-off-by: Jeff Kirsher --- drivers/net/ethernet/intel/ixgbe/ixgbe_main.c | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c index b7abf43a877e..2e9fd9dccf0c 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c @@ -7588,13 +7588,6 @@ static int __devinit ixgbe_probe(struct pci_dev *pdev, goto err_eeprom; } - /* power down the optics for multispeed fiber and 82599 SFP+ fiber */ - if (hw->mac.ops.disable_tx_laser && - ((hw->phy.multispeed_fiber) || - ((hw->mac.ops.get_media_type(hw) == ixgbe_media_type_fiber) && - (hw->mac.type == ixgbe_mac_82599EB)))) - hw->mac.ops.disable_tx_laser(hw); - setup_timer(&adapter->service_timer, &ixgbe_service_timer, (unsigned long) adapter); @@ -7692,6 +7685,13 @@ static int __devinit ixgbe_probe(struct pci_dev *pdev, if (err) goto err_register; + /* power down the optics for multispeed fiber and 82599 SFP+ fiber */ + if (hw->mac.ops.disable_tx_laser && + ((hw->phy.multispeed_fiber) || + ((hw->mac.ops.get_media_type(hw) == ixgbe_media_type_fiber) && + (hw->mac.type == ixgbe_mac_82599EB)))) + hw->mac.ops.disable_tx_laser(hw); + /* carrier off reporting is important to ethtool even BEFORE open */ netif_carrier_off(netdev); From b120818e652965669d3f1abaeaa5c3ccdfb28126 Mon Sep 17 00:00:00 2001 From: John Fastabend Date: Sat, 15 Oct 2011 05:00:10 +0000 Subject: [PATCH 06/10] ixgbe: fix smatch splat due to missing NULL check ixgbe_ieee_ets and ixgbe_ieee_pfc are intialized at the same time. Do a check for both before configuring IEEE802.1Qaz. Also max_frame was causing a sparse warning resolved here as well. Reported-by: Dan Carpenter Signed-off-by: John Fastabend Tested-by: Ross Brattain Signed-off-by: Jeff Kirsher --- drivers/net/ethernet/intel/ixgbe/ixgbe_main.c | 33 +++++++------------ 1 file changed, 12 insertions(+), 21 deletions(-) diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c index 2e9fd9dccf0c..8ef92d1a6aa1 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c @@ -3345,34 +3345,25 @@ static void ixgbe_configure_dcb(struct ixgbe_adapter *adapter) hw->mac.ops.set_vfta(&adapter->hw, 0, 0, true); +#ifdef IXGBE_FCOE + if (adapter->netdev->features & NETIF_F_FCOE_MTU) + max_frame = max(max_frame, IXGBE_FCOE_JUMBO_FRAME_SIZE); +#endif + /* reconfigure the hardware */ if (adapter->dcbx_cap & DCB_CAP_DCBX_VER_CEE) { -#ifdef IXGBE_FCOE - if (adapter->netdev->features & NETIF_F_FCOE_MTU) - max_frame = max(max_frame, IXGBE_FCOE_JUMBO_FRAME_SIZE); -#endif ixgbe_dcb_calculate_tc_credits(hw, &adapter->dcb_cfg, max_frame, DCB_TX_CONFIG); ixgbe_dcb_calculate_tc_credits(hw, &adapter->dcb_cfg, max_frame, DCB_RX_CONFIG); ixgbe_dcb_hw_config(hw, &adapter->dcb_cfg); - } else { - struct net_device *dev = adapter->netdev; - - if (adapter->ixgbe_ieee_ets) { - struct ieee_ets *ets = adapter->ixgbe_ieee_ets; - int max_frame = dev->mtu + ETH_HLEN + ETH_FCS_LEN; - - ixgbe_dcb_hw_ets(&adapter->hw, ets, max_frame); - } - - if (adapter->ixgbe_ieee_pfc) { - struct ieee_pfc *pfc = adapter->ixgbe_ieee_pfc; - u8 *prio_tc = adapter->ixgbe_ieee_ets->prio_tc; - - ixgbe_dcb_hw_pfc_config(&adapter->hw, pfc->pfc_en, - prio_tc); - } + } else if (adapter->ixgbe_ieee_ets && adapter->ixgbe_ieee_pfc) { + ixgbe_dcb_hw_ets(&adapter->hw, + adapter->ixgbe_ieee_ets, + max_frame); + ixgbe_dcb_hw_pfc_config(&adapter->hw, + adapter->ixgbe_ieee_pfc->pfc_en, + adapter->ixgbe_ieee_ets->prio_tc); } /* Enable RSS Hash per TC */ From 9487dc844054e1fc691fb82f4e19da337e2ca35e Mon Sep 17 00:00:00 2001 From: Greg Rose Date: Fri, 21 Oct 2011 07:55:15 +0000 Subject: [PATCH 07/10] ixgbe: Fix compiler warnings Wrap SR-IOV specific functions in CONFIG_PCI_IOV to avoid compiler warnings. Signed-off-by: Greg Rose Tested-by: Sibai Li Signed-off-by: Jeff Kirsher --- drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.h b/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.h index 5a7e1eb33599..4a5d8897faab 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.h +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.h @@ -42,10 +42,12 @@ int ixgbe_ndo_set_vf_spoofchk(struct net_device *netdev, int vf, bool setting); int ixgbe_ndo_get_vf_config(struct net_device *netdev, int vf, struct ifla_vf_info *ivi); void ixgbe_check_vf_rate_limit(struct ixgbe_adapter *adapter); +#ifdef CONFIG_PCI_IOV void ixgbe_disable_sriov(struct ixgbe_adapter *adapter); void ixgbe_enable_sriov(struct ixgbe_adapter *adapter, const struct ixgbe_info *ii); int ixgbe_check_vf_assignment(struct ixgbe_adapter *adapter); +#endif #endif /* _IXGBE_SRIOV_H_ */ From 331bcf45feb76d507a769d9d3b26ff5626804117 Mon Sep 17 00:00:00 2001 From: Emil Tantilov Date: Sat, 22 Oct 2011 05:21:32 +0000 Subject: [PATCH 08/10] ixgbe: fix reading of the buffer returned by the firmware This patch fixes some issues found in the buffer read portion of ixgbe_host_interface_command() - use `bi` as the buffer index counter instead of `i` - add conversion to native cpu byte ordering on register read - fix conversion from bytes to dword - use dword_len instead of buf_len when reading the register Signed-off-by: Emil Tantilov Tested-by: Phil Schmitt Signed-off-by: Jeff Kirsher --- .../net/ethernet/intel/ixgbe/ixgbe_common.c | 20 ++++++++++--------- 1 file changed, 11 insertions(+), 9 deletions(-) diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_common.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_common.c index 834f044be4c3..f1365fef4ed2 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_common.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_common.c @@ -3344,7 +3344,7 @@ static u8 ixgbe_calculate_checksum(u8 *buffer, u32 length) static s32 ixgbe_host_interface_command(struct ixgbe_hw *hw, u32 *buffer, u32 length) { - u32 hicr, i; + u32 hicr, i, bi; u32 hdr_size = sizeof(struct ixgbe_hic_hdr); u8 buf_len, dword_len; @@ -3398,9 +3398,9 @@ static s32 ixgbe_host_interface_command(struct ixgbe_hw *hw, u32 *buffer, dword_len = hdr_size >> 2; /* first pull in the header so we know the buffer length */ - for (i = 0; i < dword_len; i++) { - buffer[i] = IXGBE_READ_REG_ARRAY(hw, IXGBE_FLEX_MNG, i); - le32_to_cpus(&buffer[i]); + for (bi = 0; bi < dword_len; bi++) { + buffer[bi] = IXGBE_READ_REG_ARRAY(hw, IXGBE_FLEX_MNG, bi); + le32_to_cpus(&buffer[bi]); } /* If there is any thing in data position pull it in */ @@ -3414,12 +3414,14 @@ static s32 ixgbe_host_interface_command(struct ixgbe_hw *hw, u32 *buffer, goto out; } - /* Calculate length in DWORDs, add one for odd lengths */ - dword_len = (buf_len + 1) >> 2; + /* Calculate length in DWORDs, add 3 for odd lengths */ + dword_len = (buf_len + 3) >> 2; - /* Pull in the rest of the buffer (i is where we left off)*/ - for (; i < buf_len; i++) - buffer[i] = IXGBE_READ_REG_ARRAY(hw, IXGBE_FLEX_MNG, i); + /* Pull in the rest of the buffer (bi is where we left off)*/ + for (; bi <= dword_len; bi++) { + buffer[bi] = IXGBE_READ_REG_ARRAY(hw, IXGBE_FLEX_MNG, bi); + le32_to_cpus(&buffer[bi]); + } out: return ret_val; From 8599e251b3dd18c7bcb342d5b4acecc420f43606 Mon Sep 17 00:00:00 2001 From: John Fastabend Date: Wed, 19 Oct 2011 08:48:49 +0000 Subject: [PATCH 09/10] ixgbe: DCB, return max for IEEE traffic classes Returning the max traffic classes on get requests simplifies user space configurations because applications will know explicitly how many traffic classes can be used. Typical switch implementations use 2 or 3 traffic classes so this not seen often today. And user space can learn the number of traffic classes by return codes but this allows user space to configure ixgbe correctly at the start. Signed-off-by: John Fastabend Tested-by: Ross Brattain Signed-off-by: Jeff Kirsher --- drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_nl.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_nl.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_nl.c index 3631d639d86a..33b93ffb87cb 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_nl.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_nl.c @@ -561,11 +561,12 @@ static int ixgbe_dcbnl_ieee_getets(struct net_device *dev, struct ixgbe_adapter *adapter = netdev_priv(dev); struct ieee_ets *my_ets = adapter->ixgbe_ieee_ets; + ets->ets_cap = adapter->dcb_cfg.num_tcs.pg_tcs; + /* No IEEE PFC settings available */ if (!my_ets) - return -EINVAL; + return 0; - ets->ets_cap = adapter->dcb_cfg.num_tcs.pg_tcs; ets->cbs = my_ets->cbs; memcpy(ets->tc_tx_bw, my_ets->tc_tx_bw, sizeof(ets->tc_tx_bw)); memcpy(ets->tc_rx_bw, my_ets->tc_rx_bw, sizeof(ets->tc_rx_bw)); @@ -621,11 +622,12 @@ static int ixgbe_dcbnl_ieee_getpfc(struct net_device *dev, struct ieee_pfc *my_pfc = adapter->ixgbe_ieee_pfc; int i; + pfc->pfc_cap = adapter->dcb_cfg.num_tcs.pfc_tcs; + /* No IEEE PFC settings available */ if (!my_pfc) - return -EINVAL; + return 0; - pfc->pfc_cap = adapter->dcb_cfg.num_tcs.pfc_tcs; pfc->pfc_en = my_pfc->pfc_en; pfc->mbc = my_pfc->mbc; pfc->delay = my_pfc->delay; From c1a7e1ebc17a9243d99ba0432d1138d74114dea7 Mon Sep 17 00:00:00 2001 From: Greg Rose Date: Thu, 20 Oct 2011 04:14:49 +0000 Subject: [PATCH 10/10] ixgbevf: Update release version Signed-off-by: Greg Rose Tested-by: Sibai Li Signed-off-by: Jeff Kirsher --- drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c index 5e92cc2079bd..4c8e19951d57 100644 --- a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c +++ b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c @@ -54,7 +54,7 @@ char ixgbevf_driver_name[] = "ixgbevf"; static const char ixgbevf_driver_string[] = "Intel(R) 10 Gigabit PCI Express Virtual Function Network Driver"; -#define DRV_VERSION "2.1.0-k" +#define DRV_VERSION "2.2.0-k" const char ixgbevf_driver_version[] = DRV_VERSION; static char ixgbevf_copyright[] = "Copyright (c) 2009 - 2010 Intel Corporation.";