From d9cd46cd391a132a43cbde7bdac12c16284b618f Mon Sep 17 00:00:00 2001 From: Emil Tantilov Date: Thu, 15 May 2014 07:16:53 +0000 Subject: ixgbe: fix detection of SFP+ capable interfaces In cases where the driver is loaded while there are no SFP+ modules in the cage the interface was not being detected as SFP capable. To account for this the driver called identify_sfp in ixgbe_get_settings to make sure the data is correct. However when there is no SFP+ module in the cage the driver waits for the I2C reads to time out which can take more than a second and will cause issues with tools (like net-snmp) that may poll for that information. This patch resolves the issue by identifying interfaces with no PHY type set as SFP capable which allows the driver to detect the SFP module when the interface is brought up. As result of this we can also remove the identify_sfp call from ixgbe_get_settings. v2: remove the 82599 specific check since we have 82598 devices that are SFP capable. Signed-off-by: Emil Tantilov Tested-by: Phil Schmitt Signed-off-by: Jeff Kirsher --- drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c | 7 ------- drivers/net/ethernet/intel/ixgbe/ixgbe_main.c | 2 ++ 2 files changed, 2 insertions(+), 7 deletions(-) diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c index cc70de259829..23e4e6a4b4b1 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c @@ -161,13 +161,6 @@ static int ixgbe_get_settings(struct net_device *netdev, bool autoneg = false; bool link_up; - /* SFP type is needed for get_link_capabilities */ - if (hw->phy.media_type & (ixgbe_media_type_fiber | - ixgbe_media_type_fiber_qsfp)) { - if (hw->phy.sfp_type == ixgbe_sfp_type_not_present) - hw->phy.ops.identify_sfp(hw); - } - hw->mac.ops.get_link_capabilities(hw, &supported_link, &autoneg); /* set the supported link speeds */ diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c index ea11e2c8ee8c..e22278a5cbfa 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c @@ -4656,6 +4656,8 @@ static inline bool ixgbe_is_sfp(struct ixgbe_hw *hw) case ixgbe_phy_qsfp_active_unknown: case ixgbe_phy_qsfp_intel: case ixgbe_phy_qsfp_unknown: + /* ixgbe_phy_none is set when no SFP module is present */ + case ixgbe_phy_none: return true; case ixgbe_phy_nl: if (hw->mac.type == ixgbe_mac_82598EB) -- cgit v1.2.3 From 4dace98e72ceafe38a0adeed6d678a9b32f301e1 Mon Sep 17 00:00:00 2001 From: Jacob Keller Date: Fri, 23 May 2014 08:18:13 +0000 Subject: ixgbe: remove linux/export.h header from ixgbe_ptp.c We don't need this header file, so we shouldn't be including it. Signed-off-by: Jacob Keller Tested-by: Phil Schmitt Signed-off-by: Jeff Kirsher --- drivers/net/ethernet/intel/ixgbe/ixgbe_ptp.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_ptp.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_ptp.c index b3266b7536d5..68f87ecb8a76 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_ptp.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_ptp.c @@ -26,7 +26,6 @@ *******************************************************************************/ #include "ixgbe.h" -#include #include /* -- cgit v1.2.3 From 102be52ffdb2f7b33c3122409147a05c3e7860ea Mon Sep 17 00:00:00 2001 From: Jacob Keller Date: Fri, 16 May 2014 07:21:13 +0000 Subject: igb: rename igb_ptp_enable to igb_ptp_feature_enable The name igb_ptp_enable is not synonymous with the purpose of this function, so rename it to better explain its purpose. Signed-off-by: Jacob Keller Tested-by: Aaron Brown Signed-off-by: Jeff Kirsher --- drivers/net/ethernet/intel/igb/igb_ptp.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/drivers/net/ethernet/intel/igb/igb_ptp.c b/drivers/net/ethernet/intel/igb/igb_ptp.c index ab25e49365f7..e291be20dc98 100644 --- a/drivers/net/ethernet/intel/igb/igb_ptp.c +++ b/drivers/net/ethernet/intel/igb/igb_ptp.c @@ -360,8 +360,8 @@ static int igb_ptp_settime_i210(struct ptp_clock_info *ptp, return 0; } -static int igb_ptp_enable(struct ptp_clock_info *ptp, - struct ptp_clock_request *rq, int on) +static int igb_ptp_feature_enable(struct ptp_clock_info *ptp, + struct ptp_clock_request *rq, int on) { return -EOPNOTSUPP; } @@ -745,7 +745,7 @@ void igb_ptp_init(struct igb_adapter *adapter) adapter->ptp_caps.adjtime = igb_ptp_adjtime_82576; adapter->ptp_caps.gettime = igb_ptp_gettime_82576; adapter->ptp_caps.settime = igb_ptp_settime_82576; - adapter->ptp_caps.enable = igb_ptp_enable; + adapter->ptp_caps.enable = igb_ptp_feature_enable; adapter->cc.read = igb_ptp_read_82576; adapter->cc.mask = CLOCKSOURCE_MASK(64); adapter->cc.mult = 1; @@ -765,7 +765,7 @@ void igb_ptp_init(struct igb_adapter *adapter) adapter->ptp_caps.adjtime = igb_ptp_adjtime_82576; adapter->ptp_caps.gettime = igb_ptp_gettime_82576; adapter->ptp_caps.settime = igb_ptp_settime_82576; - adapter->ptp_caps.enable = igb_ptp_enable; + adapter->ptp_caps.enable = igb_ptp_feature_enable; adapter->cc.read = igb_ptp_read_82580; adapter->cc.mask = CLOCKSOURCE_MASK(IGB_NBITS_82580); adapter->cc.mult = 1; @@ -784,7 +784,7 @@ void igb_ptp_init(struct igb_adapter *adapter) adapter->ptp_caps.adjtime = igb_ptp_adjtime_i210; adapter->ptp_caps.gettime = igb_ptp_gettime_i210; adapter->ptp_caps.settime = igb_ptp_settime_i210; - adapter->ptp_caps.enable = igb_ptp_enable; + adapter->ptp_caps.enable = igb_ptp_feature_enable; /* Enable the timer functions by clearing bit 31. */ wr32(E1000_TSAUXC, 0x0); break; -- cgit v1.2.3 From 3cfcf036e1d0641ace932c2bd01211d8254a9291 Mon Sep 17 00:00:00 2001 From: Todd Fujinaka Date: Thu, 29 May 2014 05:45:15 +0000 Subject: igb: use mac loopback for i354 backplane We can't know what PHY is to be used for i354 backplane, so use MAC loopback for ethtool tests. Signed-off-by: Todd Fujinaka Tested-by: Aaron Brown Signed-off-by: Jeff Kirsher --- drivers/net/ethernet/intel/igb/igb_ethtool.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/net/ethernet/intel/igb/igb_ethtool.c b/drivers/net/ethernet/intel/igb/igb_ethtool.c index d8bbcf1873ca..80e376377c3d 100644 --- a/drivers/net/ethernet/intel/igb/igb_ethtool.c +++ b/drivers/net/ethernet/intel/igb/igb_ethtool.c @@ -1665,8 +1665,8 @@ static int igb_setup_loopback_test(struct igb_adapter *adapter) (hw->device_id == E1000_DEV_ID_DH89XXCC_SERDES) || (hw->device_id == E1000_DEV_ID_DH89XXCC_BACKPLANE) || (hw->device_id == E1000_DEV_ID_DH89XXCC_SFP) || - (hw->device_id == E1000_DEV_ID_I354_SGMII)) { - + (hw->device_id == E1000_DEV_ID_I354_SGMII) || + (hw->device_id == E1000_DEV_ID_I354_BACKPLANE_2_5GBPS)) { /* Enable DH89xxCC MPHY for near end loopback */ reg = rd32(E1000_MPHY_ADDR_CTL); reg = (reg & E1000_MPHY_ADDR_CTL_OFFSET_MASK) | -- cgit v1.2.3 From 27dff8b2f680ce966b5d959be9d69dd0edd92e3b Mon Sep 17 00:00:00 2001 From: Todd Fujinaka Date: Thu, 29 May 2014 05:47:26 +0000 Subject: igb: add defaults for i210 TX/RX PBSIZE Set the defaults on probe for the packet buffer size registers for the i210. Signed-off-by: Todd Fujinaka Tested-by: Aaron Brown Signed-off-by: Jeff Kirsher --- drivers/net/ethernet/intel/igb/e1000_defines.h | 3 +++ drivers/net/ethernet/intel/igb/e1000_regs.h | 4 ++++ drivers/net/ethernet/intel/igb/igb_main.c | 6 ++++++ 3 files changed, 13 insertions(+) diff --git a/drivers/net/ethernet/intel/igb/e1000_defines.h b/drivers/net/ethernet/intel/igb/e1000_defines.h index f85be6695e44..11ffdbae9f92 100644 --- a/drivers/net/ethernet/intel/igb/e1000_defines.h +++ b/drivers/net/ethernet/intel/igb/e1000_defines.h @@ -329,6 +329,9 @@ /* Timestamp in Rx buffer */ #define E1000_RXPBS_CFG_TS_EN 0x80000000 +#define I210_RXPBSIZE_DEFAULT 0x000000A2 /* RXPBSIZE default */ +#define I210_TXPBSIZE_DEFAULT 0x04000014 /* TXPBSIZE default */ + /* SerDes Control */ #define E1000_SCTL_DISABLE_SERDES_LOOPBACK 0x0400 diff --git a/drivers/net/ethernet/intel/igb/e1000_regs.h b/drivers/net/ethernet/intel/igb/e1000_regs.h index 833bbb948d97..1cc4b1a7e597 100644 --- a/drivers/net/ethernet/intel/igb/e1000_regs.h +++ b/drivers/net/ethernet/intel/igb/e1000_regs.h @@ -192,6 +192,10 @@ : (0x0E038 + ((_n) * 0x40))) #define E1000_TDWBAH(_n) ((_n) < 4 ? (0x0383C + ((_n) * 0x100)) \ : (0x0E03C + ((_n) * 0x40))) + +#define E1000_RXPBS 0x02404 /* Rx Packet Buffer Size - RW */ +#define E1000_TXPBS 0x03404 /* Tx Packet Buffer Size - RW */ + #define E1000_TDFH 0x03410 /* TX Data FIFO Head - RW */ #define E1000_TDFT 0x03418 /* TX Data FIFO Tail - RW */ #define E1000_TDFHS 0x03420 /* TX Data FIFO Head Saved - RW */ diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c index ea2868b22c2d..33b3a16dabe1 100644 --- a/drivers/net/ethernet/intel/igb/igb_main.c +++ b/drivers/net/ethernet/intel/igb/igb_main.c @@ -2433,6 +2433,12 @@ static int igb_probe(struct pci_dev *pdev, const struct pci_device_id *ent) /* get firmware version for ethtool -i */ igb_set_fw_version(adapter); + /* configure RXPBSIZE and TXPBSIZE */ + if (hw->mac.type == e1000_i210) { + wr32(E1000_RXPBS, I210_RXPBSIZE_DEFAULT); + wr32(E1000_TXPBS, I210_TXPBSIZE_DEFAULT); + } + setup_timer(&adapter->watchdog_timer, igb_watchdog, (unsigned long) adapter); setup_timer(&adapter->phy_info_timer, igb_update_phy_info, -- cgit v1.2.3 From c46d15040450c9d6031d90b93382f77419d495ed Mon Sep 17 00:00:00 2001 From: Yongjian Xu Date: Tue, 20 May 2014 08:22:50 +0000 Subject: e1000: remove the check: skb->len<=0 There is no case skb->len would be 0 or 'negative'. Remove the check. Signed-off-by: Yongjian Xu Tested-by: Aaron Brown Signed-off-by: Jeff Kirsher --- drivers/net/ethernet/intel/e1000/e1000_main.c | 5 ----- 1 file changed, 5 deletions(-) diff --git a/drivers/net/ethernet/intel/e1000/e1000_main.c b/drivers/net/ethernet/intel/e1000/e1000_main.c index 27058dfe418b..660971f304b2 100644 --- a/drivers/net/ethernet/intel/e1000/e1000_main.c +++ b/drivers/net/ethernet/intel/e1000/e1000_main.c @@ -3105,11 +3105,6 @@ static netdev_tx_t e1000_xmit_frame(struct sk_buff *skb, */ tx_ring = adapter->tx_ring; - if (unlikely(skb->len <= 0)) { - dev_kfree_skb_any(skb); - return NETDEV_TX_OK; - } - /* On PCI/PCI-X HW, if packet size is less than ETH_ZLEN, * packets may get corrupted during padding by HW. * To WA this issue, pad all small packets manually. -- cgit v1.2.3 From 1aa65f4d7f8a9c7415224881a2df461ed711d9e3 Mon Sep 17 00:00:00 2001 From: Manuel Schölling Date: Fri, 23 May 2014 18:04:17 +0000 Subject: e1000: Use time_after() for time comparison MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit To be future-proof and for better readability the time comparisons are modified to use time_after() instead of plain, error-prone math. Signed-off-by: Manuel Schölling Tested-by: Aaron Brown Signed-off-by: Jeff Kirsher --- drivers/net/ethernet/intel/e1000/e1000_ethtool.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/intel/e1000/e1000_ethtool.c b/drivers/net/ethernet/intel/e1000/e1000_ethtool.c index 341889a4ef7f..08b207df1459 100644 --- a/drivers/net/ethernet/intel/e1000/e1000_ethtool.c +++ b/drivers/net/ethernet/intel/e1000/e1000_ethtool.c @@ -1460,7 +1460,8 @@ static int e1000_run_loopback_test(struct e1000_adapter *adapter) * enough time to complete the receives, if it's * exceeded, break and error off */ - } while (good_cnt < 64 && jiffies < (time + 20)); + } while (good_cnt < 64 && time_after(time + 20, jiffies)); + if (good_cnt != 64) { ret_val = 13; /* ret_val is the same as mis-compare */ break; -- cgit v1.2.3