diff options
Diffstat (limited to 'drivers/net/ethernet/intel/ixgbe')
-rw-r--r-- | drivers/net/ethernet/intel/ixgbe/ixgbe.h | 50 | ||||
-rw-r--r-- | drivers/net/ethernet/intel/ixgbe/ixgbe_82598.c | 8 | ||||
-rw-r--r-- | drivers/net/ethernet/intel/ixgbe/ixgbe_82599.c | 13 | ||||
-rw-r--r-- | drivers/net/ethernet/intel/ixgbe/ixgbe_common.c | 250 | ||||
-rw-r--r-- | drivers/net/ethernet/intel/ixgbe/ixgbe_common.h | 2 | ||||
-rw-r--r-- | drivers/net/ethernet/intel/ixgbe/ixgbe_dcb.c | 7 | ||||
-rw-r--r-- | drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_82599.c | 6 | ||||
-rw-r--r-- | drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c | 70 | ||||
-rw-r--r-- | drivers/net/ethernet/intel/ixgbe/ixgbe_fcoe.c | 19 | ||||
-rw-r--r-- | drivers/net/ethernet/intel/ixgbe/ixgbe_lib.c | 1 | ||||
-rw-r--r-- | drivers/net/ethernet/intel/ixgbe/ixgbe_main.c | 553 | ||||
-rw-r--r-- | drivers/net/ethernet/intel/ixgbe/ixgbe_phy.c | 3 | ||||
-rw-r--r-- | drivers/net/ethernet/intel/ixgbe/ixgbe_ptp.c | 720 | ||||
-rw-r--r-- | drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c | 237 | ||||
-rw-r--r-- | drivers/net/ethernet/intel/ixgbe/ixgbe_type.h | 17 | ||||
-rw-r--r-- | drivers/net/ethernet/intel/ixgbe/ixgbe_x540.c | 16 | ||||
-rw-r--r-- | drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c | 220 |
17 files changed, 1457 insertions, 735 deletions
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe.h b/drivers/net/ethernet/intel/ixgbe/ixgbe.h index 1d2174526..4b9156cd8 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe.h +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe.h @@ -139,6 +139,7 @@ enum ixgbe_tx_flags { #define IXGBE_X540_VF_DEVICE_ID 0x1515 struct vf_data_storage { + struct pci_dev *vfdev; unsigned char vf_mac_addresses[ETH_ALEN]; u16 vf_mc_hashes[IXGBE_MAX_VF_MC_ENTRIES]; u16 num_vf_mc_hashes; @@ -224,6 +225,8 @@ struct ixgbe_rx_queue_stats { u64 csum_err; }; +#define IXGBE_TS_HDR_LEN 8 + enum ixgbe_ring_state_t { __IXGBE_TX_FDIR_INIT_DONE, __IXGBE_TX_XPS_INIT_DONE, @@ -282,6 +285,8 @@ struct ixgbe_ring { u16 next_to_use; u16 next_to_clean; + unsigned long last_rx_timestamp; + union { u16 next_to_alloc; struct { @@ -312,7 +317,7 @@ enum ixgbe_ring_f_enum { }; #define IXGBE_MAX_RSS_INDICES 16 -#define IXGBE_MAX_RSS_INDICES_X550 64 +#define IXGBE_MAX_RSS_INDICES_X550 63 #define IXGBE_MAX_VMDQ_INDICES 64 #define IXGBE_MAX_FDIR_INDICES 63 /* based on q_vector limit */ #define IXGBE_MAX_FCOE_INDICES 8 @@ -587,9 +592,10 @@ static inline u16 ixgbe_desc_unused(struct ixgbe_ring *ring) struct ixgbe_mac_addr { u8 addr[ETH_ALEN]; - u16 queue; + u16 pool; u16 state; /* bitmask */ }; + #define IXGBE_MAC_STATE_DEFAULT 0x1 #define IXGBE_MAC_STATE_MODIFIED 0x2 #define IXGBE_MAC_STATE_IN_USE 0x4 @@ -639,6 +645,8 @@ struct ixgbe_adapter { #define IXGBE_FLAG_SRIOV_CAPABLE (u32)(1 << 22) #define IXGBE_FLAG_SRIOV_ENABLED (u32)(1 << 23) #define IXGBE_FLAG_VXLAN_OFFLOAD_CAPABLE BIT(24) +#define IXGBE_FLAG_RX_HWTSTAMP_ENABLED BIT(25) +#define IXGBE_FLAG_RX_HWTSTAMP_IN_REGISTER BIT(26) u32 flags2; #define IXGBE_FLAG2_RSC_CAPABLE (u32)(1 << 0) @@ -656,6 +664,7 @@ struct ixgbe_adapter { #ifdef CONFIG_IXGBE_VXLAN #define IXGBE_FLAG2_VXLAN_REREG_NEEDED BIT(12) #endif +#define IXGBE_FLAG2_VLAN_PROMISC BIT(13) /* Tx fast path data */ int num_tx_queues; @@ -755,9 +764,12 @@ struct ixgbe_adapter { unsigned long last_rx_ptp_check; unsigned long last_rx_timestamp; spinlock_t tmreg_lock; - struct cyclecounter cc; - struct timecounter tc; + struct cyclecounter hw_cc; + struct timecounter hw_tc; u32 base_incval; + u32 tx_hwtstamp_timeouts; + u32 rx_hwtstamp_cleared; + void (*ptp_setup_sdp)(struct ixgbe_adapter *); /* SR-IOV */ DECLARE_BITMAP(active_vfs, IXGBE_MAX_VF_FUNCTIONS); @@ -883,9 +895,10 @@ int ixgbe_wol_supported(struct ixgbe_adapter *adapter, u16 device_id, void ixgbe_full_sync_mac_table(struct ixgbe_adapter *adapter); #endif int ixgbe_add_mac_filter(struct ixgbe_adapter *adapter, - u8 *addr, u16 queue); + const u8 *addr, u16 queue); int ixgbe_del_mac_filter(struct ixgbe_adapter *adapter, - u8 *addr, u16 queue); + const u8 *addr, u16 queue); +void ixgbe_update_pf_promisc_vlvf(struct ixgbe_adapter *adapter, u32 vid); void ixgbe_clear_interrupt_scheme(struct ixgbe_adapter *adapter); netdev_tx_t ixgbe_xmit_frame_ring(struct sk_buff *, struct ixgbe_adapter *, struct ixgbe_ring *); @@ -968,12 +981,33 @@ void ixgbe_ptp_suspend(struct ixgbe_adapter *adapter); void ixgbe_ptp_stop(struct ixgbe_adapter *adapter); void ixgbe_ptp_overflow_check(struct ixgbe_adapter *adapter); void ixgbe_ptp_rx_hang(struct ixgbe_adapter *adapter); -void ixgbe_ptp_rx_hwtstamp(struct ixgbe_adapter *adapter, struct sk_buff *skb); +void ixgbe_ptp_rx_pktstamp(struct ixgbe_q_vector *, struct sk_buff *); +void ixgbe_ptp_rx_rgtstamp(struct ixgbe_q_vector *, struct sk_buff *skb); +static inline void ixgbe_ptp_rx_hwtstamp(struct ixgbe_ring *rx_ring, + union ixgbe_adv_rx_desc *rx_desc, + struct sk_buff *skb) +{ + if (unlikely(ixgbe_test_staterr(rx_desc, IXGBE_RXD_STAT_TSIP))) { + ixgbe_ptp_rx_pktstamp(rx_ring->q_vector, skb); + return; + } + + if (unlikely(!ixgbe_test_staterr(rx_desc, IXGBE_RXDADV_STAT_TS))) + return; + + ixgbe_ptp_rx_rgtstamp(rx_ring->q_vector, skb); + + /* Update the last_rx_timestamp timer in order to enable watchdog check + * for error case of latched timestamp on a dropped packet. + */ + rx_ring->last_rx_timestamp = jiffies; +} + int ixgbe_ptp_set_ts_config(struct ixgbe_adapter *adapter, struct ifreq *ifr); int ixgbe_ptp_get_ts_config(struct ixgbe_adapter *adapter, struct ifreq *ifr); void ixgbe_ptp_start_cyclecounter(struct ixgbe_adapter *adapter); void ixgbe_ptp_reset(struct ixgbe_adapter *adapter); -void ixgbe_ptp_check_pps_event(struct ixgbe_adapter *adapter, u32 eicr); +void ixgbe_ptp_check_pps_event(struct ixgbe_adapter *adapter); #ifdef CONFIG_PCI_IOV void ixgbe_sriov_reinit(struct ixgbe_adapter *adapter); #endif diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_82598.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_82598.c index 65db69b86..d8a9fb8a5 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_82598.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_82598.c @@ -1,7 +1,7 @@ /******************************************************************************* Intel 10 Gigabit PCI Express Linux driver - Copyright(c) 1999 - 2014 Intel Corporation. + Copyright(c) 1999 - 2015 Intel Corporation. This program is free software; you can redistribute it and/or modify it under the terms and conditions of the GNU General Public License, @@ -765,13 +765,14 @@ mac_reset_top: ctrl = IXGBE_READ_REG(hw, IXGBE_CTRL) | IXGBE_CTRL_RST; IXGBE_WRITE_REG(hw, IXGBE_CTRL, ctrl); IXGBE_WRITE_FLUSH(hw); + usleep_range(1000, 1200); /* Poll for reset bit to self-clear indicating reset is complete */ for (i = 0; i < 10; i++) { - udelay(1); ctrl = IXGBE_READ_REG(hw, IXGBE_CTRL); if (!(ctrl & IXGBE_CTRL_RST)) break; + udelay(1); } if (ctrl & IXGBE_CTRL_RST) { status = IXGBE_ERR_RESET_FAILED; @@ -879,11 +880,12 @@ static s32 ixgbe_clear_vmdq_82598(struct ixgbe_hw *hw, u32 rar, u32 vmdq) * @vlan: VLAN id to write to VLAN filter * @vind: VMDq output index that maps queue to VLAN id in VFTA * @vlan_on: boolean flag to turn on/off VLAN in VFTA + * @vlvf_bypass: boolean flag - unused * * Turn on/off specified VLAN in the VLAN filter table. **/ static s32 ixgbe_set_vfta_82598(struct ixgbe_hw *hw, u32 vlan, u32 vind, - bool vlan_on) + bool vlan_on, bool vlvf_bypass) { u32 regindex; u32 bitindex; diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_82599.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_82599.c index a39afcf03..fa8d4f40a 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_82599.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_82599.c @@ -990,13 +990,14 @@ mac_reset_top: ctrl |= IXGBE_READ_REG(hw, IXGBE_CTRL); IXGBE_WRITE_REG(hw, IXGBE_CTRL, ctrl); IXGBE_WRITE_FLUSH(hw); + usleep_range(1000, 1200); /* Poll for reset bit to self-clear indicating reset is complete */ for (i = 0; i < 10; i++) { - udelay(1); ctrl = IXGBE_READ_REG(hw, IXGBE_CTRL); if (!(ctrl & IXGBE_CTRL_RST_MASK)) break; + udelay(1); } if (ctrl & IXGBE_CTRL_RST_MASK) { @@ -1082,12 +1083,16 @@ mac_reset_top: /* Add the SAN MAC address to the RAR only if it's a valid address */ if (is_valid_ether_addr(hw->mac.san_addr)) { - hw->mac.ops.set_rar(hw, hw->mac.num_rar_entries - 1, - hw->mac.san_addr, 0, IXGBE_RAH_AV); - /* Save the SAN MAC RAR index */ hw->mac.san_mac_rar_index = hw->mac.num_rar_entries - 1; + hw->mac.ops.set_rar(hw, hw->mac.san_mac_rar_index, + hw->mac.san_addr, 0, IXGBE_RAH_AV); + + /* clear VMDq pool/queue selection for this RAR */ + hw->mac.ops.clear_vmdq(hw, hw->mac.san_mac_rar_index, + IXGBE_CLEAR_VMDQ_ALL); + /* Reserve the last RAR for the SAN MAC address */ hw->mac.num_rar_entries--; } diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_common.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_common.c index ce61b36b9..64045053e 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_common.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_common.c @@ -1,7 +1,7 @@ /******************************************************************************* Intel 10 Gigabit PCI Express Linux driver - Copyright(c) 1999 - 2014 Intel Corporation. + Copyright(c) 1999 - 2015 Intel Corporation. This program is free software; you can redistribute it and/or modify it under the terms and conditions of the GNU General Public License, @@ -1884,10 +1884,11 @@ s32 ixgbe_init_rx_addrs_generic(struct ixgbe_hw *hw) hw_dbg(hw, " New MAC Addr =%pM\n", hw->mac.addr); hw->mac.ops.set_rar(hw, 0, hw->mac.addr, 0, IXGBE_RAH_AV); - - /* clear VMDq pool/queue selection for RAR 0 */ - hw->mac.ops.clear_vmdq(hw, 0, IXGBE_CLEAR_VMDQ_ALL); } + + /* clear VMDq pool/queue selection for RAR 0 */ + hw->mac.ops.clear_vmdq(hw, 0, IXGBE_CLEAR_VMDQ_ALL); + hw->addr_ctrl.overflow_promisc = 0; hw->addr_ctrl.rar_used_count = 1; @@ -2454,6 +2455,17 @@ static s32 ixgbe_disable_pcie_master(struct ixgbe_hw *hw) /* Always set this bit to ensure any future transactions are blocked */ IXGBE_WRITE_REG(hw, IXGBE_CTRL, IXGBE_CTRL_GIO_DIS); + /* Poll for bit to read as set */ + for (i = 0; i < IXGBE_PCI_MASTER_DISABLE_TIMEOUT; i++) { + if (IXGBE_READ_REG(hw, IXGBE_CTRL) & IXGBE_CTRL_GIO_DIS) + break; + usleep_range(100, 120); + } + if (i >= IXGBE_PCI_MASTER_DISABLE_TIMEOUT) { + hw_dbg(hw, "GIO disable did not set - requesting resets\n"); + goto gio_disable_fail; + } + /* Exit if master requests are blocked */ if (!(IXGBE_READ_REG(hw, IXGBE_STATUS) & IXGBE_STATUS_GIO) || ixgbe_removed(hw->hw_addr)) @@ -2475,6 +2487,7 @@ static s32 ixgbe_disable_pcie_master(struct ixgbe_hw *hw) * again to clear out any effects they may have had on our device. */ hw_dbg(hw, "GIO Master Disable bit didn't clear - requesting resets\n"); +gio_disable_fail: hw->mac.flags |= IXGBE_FLAGS_DOUBLE_RESET_REQUIRED; if (hw->mac.type >= ixgbe_mac_X550) @@ -2987,43 +3000,44 @@ s32 ixgbe_init_uta_tables_generic(struct ixgbe_hw *hw) * return the VLVF index where this VLAN id should be placed * **/ -static s32 ixgbe_find_vlvf_slot(struct ixgbe_hw *hw, u32 vlan) +static s32 ixgbe_find_vlvf_slot(struct ixgbe_hw *hw, u32 vlan, bool vlvf_bypass) { - u32 bits = 0; - u32 first_empty_slot = 0; - s32 regindex; + s32 regindex, first_empty_slot; + u32 bits; /* short cut the special case */ if (vlan == 0) return 0; - /* - * Search for the vlan id in the VLVF entries. Save off the first empty - * slot found along the way - */ - for (regindex = 1; regindex < IXGBE_VLVF_ENTRIES; regindex++) { + /* if vlvf_bypass is set we don't want to use an empty slot, we + * will simply bypass the VLVF if there are no entries present in the + * VLVF that contain our VLAN + */ + first_empty_slot = vlvf_bypass ? IXGBE_ERR_NO_SPACE : 0; + + /* add VLAN enable bit for comparison */ + vlan |= IXGBE_VLVF_VIEN; + + /* Search for the vlan id in the VLVF entries. Save off the first empty + * slot found along the way. + * + * pre-decrement loop covering (IXGBE_VLVF_ENTRIES - 1) .. 1 + */ + for (regindex = IXGBE_VLVF_ENTRIES; --regindex;) { bits = IXGBE_READ_REG(hw, IXGBE_VLVF(regindex)); - if (!bits && !(first_empty_slot)) + if (bits == vlan) + return regindex; + if (!first_empty_slot && !bits) first_empty_slot = regindex; - else if ((bits & 0x0FFF) == vlan) - break; } - /* - * If regindex is less than IXGBE_VLVF_ENTRIES, then we found the vlan - * in the VLVF. Else use the first empty VLVF register for this - * vlan id. - */ - if (regindex >= IXGBE_VLVF_ENTRIES) { - if (first_empty_slot) - regindex = first_empty_slot; - else { - hw_dbg(hw, "No space in VLVF.\n"); - regindex = IXGBE_ERR_NO_SPACE; - } - } + /* If we are here then we didn't find the VLAN. Return first empty + * slot we found during our search, else error. + */ + if (!first_empty_slot) + hw_dbg(hw, "No space in VLVF.\n"); - return regindex; + return first_empty_slot ? : IXGBE_ERR_NO_SPACE; } /** @@ -3032,21 +3046,17 @@ static s32 ixgbe_find_vlvf_slot(struct ixgbe_hw *hw, u32 vlan) * @vlan: VLAN id to write to VLAN filter * @vind: VMDq output index that maps queue to VLAN id in VFVFB * @vlan_on: boolean flag to turn on/off VLAN in VFVF + * @vlvf_bypass: boolean flag indicating updating default pool is okay * * Turn on/off specified VLAN in the VLAN filter table. **/ s32 ixgbe_set_vfta_generic(struct ixgbe_hw *hw, u32 vlan, u32 vind, - bool vlan_on) + bool vlan_on, bool vlvf_bypass) { - s32 regindex; - u32 bitindex; - u32 vfta; - u32 bits; - u32 vt; - u32 targetbit; - bool vfta_changed = false; + u32 regidx, vfta_delta, vfta, bits; + s32 vlvf_index; - if (vlan > 4095) + if ((vlan > 4095) || (vind > 63)) return IXGBE_ERR_PARAM; /* @@ -3061,22 +3071,16 @@ s32 ixgbe_set_vfta_generic(struct ixgbe_hw *hw, u32 vlan, u32 vind, * bits[11-5]: which register * bits[4-0]: which bit in the register */ - regindex = (vlan >> 5) & 0x7F; - bitindex = vlan & 0x1F; - targetbit = (1 << bitindex); - vfta = IXGBE_READ_REG(hw, IXGBE_VFTA(regindex)); - - if (vlan_on) { - if (!(vfta & targetbit)) { - vfta |= targetbit; - vfta_changed = true; - } - } else { - if ((vfta & targetbit)) { - vfta &= ~targetbit; - vfta_changed = true; - } - } + regidx = vlan / 32; + vfta_delta = 1 << (vlan % 32); + vfta = IXGBE_READ_REG(hw, IXGBE_VFTA(regidx)); + + /* vfta_delta represents the difference between the current value + * of vfta and the value we want in the register. Since the diff + * is an XOR mask we can just update vfta using an XOR. + */ + vfta_delta &= vlan_on ? ~vfta : vfta; + vfta ^= vfta_delta; /* Part 2 * If VT Mode is set @@ -3086,85 +3090,67 @@ s32 ixgbe_set_vfta_generic(struct ixgbe_hw *hw, u32 vlan, u32 vind, * Or !vlan_on * clear the pool bit and possibly the vind */ - vt = IXGBE_READ_REG(hw, IXGBE_VT_CTL); - if (vt & IXGBE_VT_CTL_VT_ENABLE) { - s32 vlvf_index; - - vlvf_index = ixgbe_find_vlvf_slot(hw, vlan); - if (vlvf_index < 0) - return vlvf_index; - - if (vlan_on) { - /* set the pool bit */ - if (vind < 32) { - bits = IXGBE_READ_REG(hw, - IXGBE_VLVFB(vlvf_index*2)); - bits |= (1 << vind); - IXGBE_WRITE_REG(hw, - IXGBE_VLVFB(vlvf_index*2), - bits); - } else { - bits = IXGBE_READ_REG(hw, - IXGBE_VLVFB((vlvf_index*2)+1)); - bits |= (1 << (vind-32)); - IXGBE_WRITE_REG(hw, - IXGBE_VLVFB((vlvf_index*2)+1), - bits); - } - } else { - /* clear the pool bit */ - if (vind < 32) { - bits = IXGBE_READ_REG(hw, - IXGBE_VLVFB(vlvf_index*2)); - bits &= ~(1 << vind); - IXGBE_WRITE_REG(hw, - IXGBE_VLVFB(vlvf_index*2), - bits); - bits |= IXGBE_READ_REG(hw, - IXGBE_VLVFB((vlvf_index*2)+1)); - } else { - bits = IXGBE_READ_REG(hw, - IXGBE_VLVFB((vlvf_index*2)+1)); - bits &= ~(1 << (vind-32)); - IXGBE_WRITE_REG(hw, - IXGBE_VLVFB((vlvf_index*2)+1), - bits); - bits |= IXGBE_READ_REG(hw, - IXGBE_VLVFB(vlvf_index*2)); - } - } + if (!(IXGBE_READ_REG(hw, IXGBE_VT_CTL) & IXGBE_VT_CTL_VT_ENABLE)) + goto vfta_update; + + vlvf_index = ixgbe_find_vlvf_slot(hw, vlan, vlvf_bypass); + if (vlvf_index < 0) { + if (vlvf_bypass) + goto vfta_update; + return vlvf_index; + } - /* - * If there are still bits set in the VLVFB registers - * for the VLAN ID indicated we need to see if the - * caller is requesting that we clear the VFTA entry bit. - * If the caller has requested that we clear the VFTA - * entry bit but there are still pools/VFs using this VLAN - * ID entry then ignore the request. We're not worried - * about the case where we're turning the VFTA VLAN ID - * entry bit on, only when requested to turn it off as - * there may be multiple pools and/or VFs using the - * VLAN ID entry. In that case we cannot clear the - * VFTA bit until all pools/VFs using that VLAN ID have also - * been cleared. This will be indicated by "bits" being - * zero. + bits = IXGBE_READ_REG(hw, IXGBE_VLVFB(vlvf_index * 2 + vind / 32)); + + /* set the pool bit */ + bits |= 1 << (vind % 32); + if (vlan_on) + goto vlvf_update; + + /* clear the pool bit */ + bits ^= 1 << (vind % 32); + + if (!bits && + !IXGBE_READ_REG(hw, IXGBE_VLVFB(vlvf_index * 2 + 1 - vind / 32))) { + /* Clear VFTA first, then disable VLVF. Otherwise + * we run the risk of stray packets leaking into + * the PF via the default pool */ - if (bits) { - IXGBE_WRITE_REG(hw, IXGBE_VLVF(vlvf_index), - (IXGBE_VLVF_VIEN | vlan)); - if (!vlan_on) { - /* someone wants to clear the vfta entry - * but some pools/VFs are still using it. - * Ignore it. */ - vfta_changed = false; - } - } else { - IXGBE_WRITE_REG(hw, IXGBE_VLVF(vlvf_index), 0); - } + if (vfta_delta) + IXGBE_WRITE_REG(hw, IXGBE_VFTA(regidx), vfta); + + /* disable VLVF and clear remaining bit from pool */ + IXGBE_WRITE_REG(hw, IXGBE_VLVF(vlvf_index), 0); + IXGBE_WRITE_REG(hw, IXGBE_VLVFB(vlvf_index * 2 + vind / 32), 0); + + return 0; } - if (vfta_changed) - IXGBE_WRITE_REG(hw, IXGBE_VFTA(regindex), vfta); + /* If there are still bits set in the VLVFB registers + * for the VLAN ID indicated we need to see if the + * caller is requesting that we clear the VFTA entry bit. + * If the caller has requested that we clear the VFTA + * entry bit but there are still pools/VFs using this VLAN + * ID entry then ignore the request. We're not worried + * about the case where we're turning the VFTA VLAN ID + * entry bit on, only when requested to turn it off as + * there may be multiple pools and/or VFs using the + * VLAN ID entry. In that case we cannot clear the + * VFTA bit until all pools/VFs using that VLAN ID have also + * been cleared. This will be indicated by "bits" being + * zero. + */ + vfta_delta = 0; + +vlvf_update: + /* record pool change and enable VLAN ID if not already enabled */ + IXGBE_WRITE_REG(hw, IXGBE_VLVFB(vlvf_index * 2 + vind / 32), bits); + IXGBE_WRITE_REG(hw, IXGBE_VLVF(vlvf_index), IXGBE_VLVF_VIEN | vlan); + +vfta_update: + /* Update VFTA now that we are ready for traffic */ + if (vfta_delta) + IXGBE_WRITE_REG(hw, IXGBE_VFTA(regidx), vfta); return 0; } @@ -3184,8 +3170,8 @@ s32 ixgbe_clear_vfta_generic(struct ixgbe_hw *hw) for (offset = 0; offset < IXGBE_VLVF_ENTRIES; offset++) { IXGBE_WRITE_REG(hw, IXGBE_VLVF(offset), 0); - IXGBE_WRITE_REG(hw, IXGBE_VLVFB(offset*2), 0); - IXGBE_WRITE_REG(hw, IXGBE_VLVFB((offset*2)+1), 0); + IXGBE_WRITE_REG(hw, IXGBE_VLVFB(offset * 2), 0); + IXGBE_WRITE_REG(hw, IXGBE_VLVFB(offset * 2 + 1), 0); } return 0; diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_common.h b/drivers/net/ethernet/intel/ixgbe/ixgbe_common.h index a0044e4a8..2b9563137 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_common.h +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_common.h @@ -92,7 +92,7 @@ s32 ixgbe_set_vmdq_san_mac_generic(struct ixgbe_hw *hw, u32 vmdq); s32 ixgbe_clear_vmdq_generic(struct ixgbe_hw *hw, u32 rar, u32 vmdq); s32 ixgbe_init_uta_tables_generic(struct ixgbe_hw *hw); s32 ixgbe_set_vfta_generic(struct ixgbe_hw *hw, u32 vlan, - u32 vind, bool vlan_on); + u32 vind, bool vlan_on, bool vlvf_bypass); s32 ixgbe_clear_vfta_generic(struct ixgbe_hw *hw); s32 ixgbe_check_mac_link_generic(struct ixgbe_hw *hw, ixgbe_link_speed *speed, diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb.c index a507a6fe3..02c7333a9 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb.c @@ -139,6 +139,11 @@ s32 ixgbe_dcb_calculate_tc_credits(struct ixgbe_hw *hw, /* Calculate credit refill ratio using multiplier */ credit_refill = min(link_percentage * min_multiplier, MAX_CREDIT_REFILL); + + /* Refill at least minimum credit */ + if (credit_refill < min_credit) + credit_refill = min_credit; + p->data_credits_refill = (u16)credit_refill; /* Calculate maximum credit for the TC */ @@ -149,7 +154,7 @@ s32 ixgbe_dcb_calculate_tc_credits(struct ixgbe_hw *hw, * of a TC is too small, the maximum credit may not be * enough to send out a jumbo frame in data plane arbitration. */ - if (credit_max && (credit_max < min_credit)) + if (credit_max < min_credit) credit_max = min_credit; if (direction == DCB_TX_CONFIG) { diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_82599.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_82599.c index 23277ab15..b5cc989a3 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_82599.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_82599.c @@ -223,13 +223,13 @@ s32 ixgbe_dcb_config_pfc_82599(struct ixgbe_hw *hw, u8 pfc_en, u8 *prio_tc) reg |= IXGBE_MFLCN_DPF; /* - * X540 supports per TC Rx priority flow control. So - * clear all TCs and only enable those that should be + * X540 & X550 supports per TC Rx priority flow control. + * So clear all TCs and only enable those that should be * enabled. */ reg &= ~(IXGBE_MFLCN_RPFCE_MASK | IXGBE_MFLCN_RFCE); - if (hw->mac.type == ixgbe_mac_X540) + if (hw->mac.type >= ixgbe_mac_X540) reg |= pfc_en << IXGBE_MFLCN_RPFCE_SHIFT; if (pfc_en) diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c index d681273bd..bea96b3bc 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c @@ -151,47 +151,70 @@ static const char ixgbe_gstrings_test[][ETH_GSTRING_LEN] = { }; #define IXGBE_TEST_LEN sizeof(ixgbe_gstrings_test) / ETH_GSTRING_LEN +/* currently supported speeds for 10G */ +#define ADVRTSD_MSK_10G (SUPPORTED_10000baseT_Full | \ + SUPPORTED_10000baseKX4_Full | \ + SUPPORTED_10000baseKR_Full) + +#define ixgbe_isbackplane(type) ((type) == ixgbe_media_type_backplane) + +static u32 ixgbe_get_supported_10gtypes(struct ixgbe_hw *hw) +{ + if (!ixgbe_isbackplane(hw->phy.media_type)) + return SUPPORTED_10000baseT_Full; + + switch (hw->device_id) { + case IXGBE_DEV_ID_82598: + case IXGBE_DEV_ID_82599_KX4: + case IXGBE_DEV_ID_82599_KX4_MEZZ: + case IXGBE_DEV_ID_X550EM_X_KX4: + return SUPPORTED_10000baseKX4_Full; + case IXGBE_DEV_ID_82598_BX: + case IXGBE_DEV_ID_82599_KR: + case IXGBE_DEV_ID_X550EM_X_KR: + return SUPPORTED_10000baseKR_Full; + default: + return SUPPORTED_10000baseKX4_Full | + SUPPORTED_10000baseKR_Full; + } +} + static int ixgbe_get_settings(struct net_device *netdev, struct ethtool_cmd *ecmd) { struct ixgbe_adapter *adapter = netdev_priv(netdev); struct ixgbe_hw *hw = &adapter->hw; ixgbe_link_speed supported_link; - u32 link_speed = 0; bool autoneg = false; - bool link_up; hw->mac.ops.get_link_capabilities(hw, &supported_link, &autoneg); /* set the supported link speeds */ if (supported_link & IXGBE_LINK_SPEED_10GB_FULL) - ecmd->supported |= SUPPORTED_10000baseT_Full; - if (supported_link & IXGBE_LINK_SPEED_2_5GB_FULL) - ecmd->supported |= SUPPORTED_2500baseX_Full; + ecmd->supported |= ixgbe_get_supported_10gtypes(hw); if (supported_link & IXGBE_LINK_SPEED_1GB_FULL) ecmd->supported |= SUPPORTED_1000baseT_Full; if (supported_link & IXGBE_LINK_SPEED_100_FULL) - ecmd->supported |= SUPPORTED_100baseT_Full; + ecmd->supported |= ixgbe_isbackplane(hw->phy.media_type) ? + SUPPORTED_1000baseKX_Full : + SUPPORTED_1000baseT_Full; + /* default advertised speed if phy.autoneg_advertised isn't set */ + ecmd->advertising = ecmd->supported; /* set the advertised speeds */ if (hw->phy.autoneg_advertised) { + ecmd->advertising = 0; if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_100_FULL) ecmd->advertising |= ADVERTISED_100baseT_Full; if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_10GB_FULL) - ecmd->advertising |= ADVERTISED_10000baseT_Full; - if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_2_5GB_FULL) - ecmd->advertising |= ADVERTISED_2500baseX_Full; - if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_1GB_FULL) - ecmd->advertising |= ADVERTISED_1000baseT_Full; + ecmd->advertising |= ecmd->supported & ADVRTSD_MSK_10G; + if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_1GB_FULL) { + if (ecmd->supported & SUPPORTED_1000baseKX_Full) + ecmd->advertising |= ADVERTISED_1000baseKX_Full; + else + ecmd->advertising |= ADVERTISED_1000baseT_Full; + } } else { - /* default modes in case phy.autoneg_advertised isn't set */ - if (supported_link & IXGBE_LINK_SPEED_10GB_FULL) - ecmd->advertising |= ADVERTISED_10000baseT_Full; - if (supported_link & IXGBE_LINK_SPEED_1GB_FULL) - ecmd->advertising |= ADVERTISED_1000baseT_Full; - if (supported_link & IXGBE_LINK_SPEED_100_FULL) - ecmd->advertising |= ADVERTISED_100baseT_Full; - if (hw->phy.multispeed_fiber && !autoneg) { if (supported_link & IXGBE_LINK_SPEED_10GB_FULL) ecmd->advertising = ADVERTISED_10000baseT_Full; @@ -229,6 +252,10 @@ static int ixgbe_get_settings(struct net_device *netdev, case ixgbe_phy_sfp_avago: case ixgbe_phy_sfp_intel: case ixgbe_phy_sfp_unknown: + case ixgbe_phy_qsfp_passive_unknown: + case ixgbe_phy_qsfp_active_unknown: + case ixgbe_phy_qsfp_intel: + case ixgbe_phy_qsfp_unknown: /* SFP+ devices, further checking needed */ switch (adapter->hw.phy.sfp_type) { case ixgbe_sfp_type_da_cu: @@ -284,9 +311,8 @@ static int ixgbe_get_settings(struct net_device *netdev, break; } - hw->mac.ops.check_link(hw, &link_speed, &link_up, false); - if (link_up) { - switch (link_speed) { + if (netif_carrier_ok(netdev)) { + switch (adapter->link_speed) { case IXGBE_LINK_SPEED_10GB_FULL: ethtool_cmd_speed_set(ecmd, SPEED_10000); break; diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_fcoe.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_fcoe.c index 631c603fc..2a653ec95 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_fcoe.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_fcoe.c @@ -77,7 +77,7 @@ int ixgbe_fcoe_ddp_put(struct net_device *netdev, u16 xid) if (!netdev) return 0; - if (xid >= IXGBE_FCOE_DDP_MAX) + if (xid >= netdev->fcoe_ddp_xid) return 0; adapter = netdev_priv(netdev); @@ -177,7 +177,7 @@ static int ixgbe_fcoe_ddp_setup(struct net_device *netdev, u16 xid, return 0; adapter = netdev_priv(netdev); - if (xid >= IXGBE_FCOE_DDP_MAX) { + if (xid >= netdev->fcoe_ddp_xid) { e_warn(drv, "xid=0x%x out-of-range\n", xid); return 0; } @@ -517,6 +517,7 @@ int ixgbe_fso(struct ixgbe_ring *tx_ring, u32 vlan_macip_lens; u32 fcoe_sof_eof = 0; u32 mss_l4len_idx; + u32 type_tucmd = IXGBE_ADVTXT_TUCMD_FCOE; u8 sof, eof; if (skb_is_gso(skb) && (skb_shinfo(skb)->gso_type != SKB_GSO_FCOE)) { @@ -593,6 +594,8 @@ int ixgbe_fso(struct ixgbe_ring *tx_ring, skb_shinfo(skb)->gso_size); first->bytecount += (first->gso_segs - 1) * *hdr_len; first->tx_flags |= IXGBE_TX_FLAGS_TSO; + /* Hardware expects L4T to be RSV for FCoE TSO */ + type_tucmd |= IXGBE_ADVTXD_TUCMD_L4T_RSV; } /* set flag indicating FCOE to ixgbe_tx_map call */ @@ -610,7 +613,7 @@ int ixgbe_fso(struct ixgbe_ring *tx_ring, /* write context desc */ ixgbe_tx_ctxtdesc(tx_ring, vlan_macip_lens, fcoe_sof_eof, - IXGBE_ADVTXT_TUCMD_FCOE, mss_l4len_idx); + type_tucmd, mss_l4len_idx); return 0; } @@ -620,8 +623,7 @@ static void ixgbe_fcoe_dma_pool_free(struct ixgbe_fcoe *fcoe, unsigned int cpu) struct ixgbe_fcoe_ddp_pool *ddp_pool; ddp_pool = per_cpu_ptr(fcoe->ddp_pool, cpu); - if (ddp_pool->pool) - dma_pool_destroy(ddp_pool->pool); + dma_pool_destroy(ddp_pool->pool); ddp_pool->pool = NULL; } @@ -997,8 +999,7 @@ int ixgbe_fcoe_get_hbainfo(struct net_device *netdev, return -EINVAL; /* Don't return information on unsupported devices */ - if (hw->mac.type != ixgbe_mac_82599EB && - hw->mac.type != ixgbe_mac_X540) + if (!(adapter->flags & IXGBE_FLAG_FCOE_ENABLED)) return -EINVAL; /* Manufacturer */ @@ -1044,6 +1045,10 @@ int ixgbe_fcoe_get_hbainfo(struct net_device *netdev, snprintf(info->model, sizeof(info->model), "Intel 82599"); + } else if (hw->mac.type == ixgbe_mac_X550) { + snprintf(info->model, + sizeof(info->model), + "Intel X550"); } else { snprintf(info->model, sizeof(info->model), diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_lib.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_lib.c index f3168bcc7..e771e764d 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_lib.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_lib.c @@ -844,7 +844,6 @@ static int ixgbe_alloc_q_vector(struct ixgbe_adapter *adapter, /* initialize NAPI */ netif_napi_add(adapter->netdev, &q_vector->napi, ixgbe_poll, 64); - napi_hash_add(&q_vector->napi); #ifdef CONFIG_NET_RX_BUSY_POLL /* initialize busy poll */ diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c index aed8d029b..c4003a88b 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c @@ -65,9 +65,6 @@ #include "ixgbe_common.h" #include "ixgbe_dcb_82599.h" #include "ixgbe_sriov.h" -#ifdef CONFIG_IXGBE_VXLAN -#include <net/vxlan.h> -#endif char ixgbe_driver_name[] = "ixgbe"; static const char ixgbe_driver_string[] = @@ -175,6 +172,8 @@ MODULE_DESCRIPTION("Intel(R) 10 Gigabit PCI Express Network Driver"); MODULE_LICENSE("GPL"); MODULE_VERSION(DRV_VERSION); +static struct workqueue_struct *ixgbe_wq; + static bool ixgbe_check_cfg_remove(struct ixgbe_hw *hw, struct pci_dev *pdev); static int ixgbe_read_pci_cfg_word_parent(struct ixgbe_adapter *adapter, @@ -316,7 +315,7 @@ static void ixgbe_service_event_schedule(struct ixgbe_adapter *adapter) if (!test_bit(__IXGBE_DOWN, &adapter->state) && !test_bit(__IXGBE_REMOVING, &adapter->state) && !test_and_set_bit(__IXGBE_SERVICE_SCHED, &adapter->state)) - schedule_work(&adapter->service_task); + queue_work(ixgbe_wq, &adapter->service_task); } static void ixgbe_remove_adapter(struct ixgbe_hw *hw) @@ -1484,7 +1483,7 @@ static inline void ixgbe_rx_checksum(struct ixgbe_ring *ring, return; if (ixgbe_test_staterr(rx_desc, IXGBE_RXDADV_ERR_OUTERIPER)) { - ring->rx_stats.csum_err++; + skb->ip_summed = CHECKSUM_NONE; return; } /* If we checked the outer header let the stack know */ @@ -1635,6 +1634,7 @@ static void ixgbe_process_skb_fields(struct ixgbe_ring *rx_ring, struct sk_buff *skb) { struct net_device *dev = rx_ring->netdev; + u32 flags = rx_ring->q_vector->adapter->flags; ixgbe_update_rsc_stats(rx_ring, skb); @@ -1642,8 +1642,8 @@ static void ixgbe_process_skb_fields(struct ixgbe_ring *rx_ring, ixgbe_rx_checksum(rx_ring, rx_desc, skb); - if (unlikely(ixgbe_test_staterr(rx_desc, IXGBE_RXDADV_STAT_TS))) - ixgbe_ptp_rx_hwtstamp(rx_ring->q_vector->adapter, skb); + if (unlikely(flags & IXGBE_FLAG_RX_HWTSTAMP_ENABLED)) + ixgbe_ptp_rx_hwtstamp(rx_ring, rx_desc, skb); if ((dev->features & NETIF_F_HW_VLAN_CTAG_RX) && ixgbe_test_staterr(rx_desc, IXGBE_RXD_STAT_VP)) { @@ -1659,6 +1659,7 @@ static void ixgbe_process_skb_fields(struct ixgbe_ring *rx_ring, static void ixgbe_rx_skb(struct ixgbe_q_vector *q_vector, struct sk_buff *skb) { + skb_mark_napi_id(skb, &q_vector->napi); if (ixgbe_qv_busy_polling(q_vector)) netif_receive_skb(skb); else @@ -2123,7 +2124,6 @@ static int ixgbe_clean_rx_irq(struct ixgbe_q_vector *q_vector, } #endif /* IXGBE_FCOE */ - skb_mark_napi_id(skb, &q_vector->napi); ixgbe_rx_skb(q_vector, skb); /* update budget accounting */ @@ -2741,7 +2741,7 @@ static irqreturn_t ixgbe_msix_other(int irq, void *data) ixgbe_check_fan_failure(adapter, eicr); if (unlikely(eicr & IXGBE_EICR_TIMESYNC)) - ixgbe_ptp_check_pps_event(adapter, eicr); + ixgbe_ptp_check_pps_event(adapter); /* re-enable the original interrupt state, no lsc, no queues */ if (!test_bit(__IXGBE_DOWN, &adapter->state)) @@ -2757,7 +2757,7 @@ static irqreturn_t ixgbe_msix_clean_rings(int irq, void *data) /* EIAM disabled interrupts (on this vector) for us */ if (q_vector->rx.ring || q_vector->tx.ring) - napi_schedule(&q_vector->napi); + napi_schedule_irqoff(&q_vector->napi); return IRQ_HANDLED; } @@ -2786,7 +2786,8 @@ int ixgbe_poll(struct napi_struct *napi, int budget) ixgbe_for_each_ring(ring, q_vector->tx) clean_complete &= !!ixgbe_clean_tx_irq(q_vector, ring); - if (!ixgbe_qv_lock_napi(q_vector)) + /* Exit if we are called by netpoll or busy polling is active */ + if ((budget <= 0) || !ixgbe_qv_lock_napi(q_vector)) return budget; /* attempt to distribute budget to each queue fairly, but don't allow @@ -2947,10 +2948,10 @@ static irqreturn_t ixgbe_intr(int irq, void *data) ixgbe_check_fan_failure(adapter, eicr); if (unlikely(eicr & IXGBE_EICR_TIMESYNC)) - ixgbe_ptp_check_pps_event(adapter, eicr); + ixgbe_ptp_check_pps_event(adapter); /* would disable interrupts here but EIAM disabled it */ - napi_schedule(&q_vector->napi); + napi_schedule_irqoff(&q_vector->napi); /* * re-enable link(maybe) and non-queue interrupts, no flush. @@ -3315,8 +3316,7 @@ static void ixgbe_configure_srrctl(struct ixgbe_adapter *adapter, } /** - * Return a number of entries in the RSS indirection table - * + * ixgbe_rss_indir_tbl_entries - Return RSS indirection table entries * @adapter: device handle * * - 82598/82599/X540: 128 @@ -3334,8 +3334,7 @@ u32 ixgbe_rss_indir_tbl_entries(struct ixgbe_adapter *adapter) } /** - * Write the RETA table to HW - * + * ixgbe_store_reta - Write the RETA table to HW * @adapter: device handle * * Write the RSS redirection table stored in adapter.rss_indir_tbl[] to HW. @@ -3374,8 +3373,7 @@ void ixgbe_store_reta(struct ixgbe_adapter *adapter) } /** - * Write the RETA table to HW (for x550 devices in SRIOV mode) - * + * ixgbe_store_vfreta - Write the RETA table to HW (x550 devices in SRIOV mode) * @adapter: device handle * * Write the RSS redirection table stored in adapter.rss_indir_tbl[] to HW. @@ -3621,6 +3619,9 @@ void ixgbe_configure_rx_ring(struct ixgbe_adapter *adapter, IXGBE_WRITE_REG(hw, IXGBE_RDBAH(reg_idx), (rdba >> 32)); IXGBE_WRITE_REG(hw, IXGBE_RDLEN(reg_idx), ring->count * sizeof(union ixgbe_adv_rx_desc)); + /* Force flushing of IXGBE_RDLEN to prevent MDD */ + IXGBE_WRITE_FLUSH(hw); + IXGBE_WRITE_REG(hw, IXGBE_RDH(reg_idx), 0); IXGBE_WRITE_REG(hw, IXGBE_RDT(reg_idx), 0); ring->tail = adapter->io_addr + IXGBE_RDT(reg_idx); @@ -3704,6 +3705,9 @@ static void ixgbe_configure_virtualization(struct ixgbe_adapter *adapter) /* Map PF MAC address in RAR Entry 0 to first pool following VFs */ hw->mac.ops.set_vmdq(hw, 0, VMDQ_P(0)); + /* clear VLAN promisc flag so VFTA will be updated if necessary */ + adapter->flags2 &= ~IXGBE_FLAG2_VLAN_PROMISC; + /* * Set up VF register offsets for selected VT Mode, * i.e. 32 or 64 VFs for SR-IOV @@ -3901,12 +3905,56 @@ static int ixgbe_vlan_rx_add_vid(struct net_device *netdev, struct ixgbe_hw *hw = &adapter->hw; /* add VID to filter table */ - hw->mac.ops.set_vfta(&adapter->hw, vid, VMDQ_P(0), true); + hw->mac.ops.set_vfta(&adapter->hw, vid, VMDQ_P(0), true, true); set_bit(vid, adapter->active_vlans); return 0; } +static int ixgbe_find_vlvf_entry(struct ixgbe_hw *hw, u32 vlan) +{ + u32 vlvf; + int idx; + + /* short cut the special case */ + if (vlan == 0) + return 0; + + /* Search for the vlan id in the VLVF entries */ + for (idx = IXGBE_VLVF_ENTRIES; --idx;) { + vlvf = IXGBE_READ_REG(hw, IXGBE_VLVF(idx)); + if ((vlvf & VLAN_VID_MASK) == vlan) + break; + } + + return idx; +} + +void ixgbe_update_pf_promisc_vlvf(struct ixgbe_adapter *adapter, u32 vid) +{ + struct ixgbe_hw *hw = &adapter->hw; + u32 bits, word; + int idx; + + idx = ixgbe_find_vlvf_entry(hw, vid); + if (!idx) + return; + + /* See if any other pools are set for this VLAN filter + * entry other than the PF. + */ + word = idx * 2 + (VMDQ_P(0) / 32); + bits = ~(1 << (VMDQ_P(0)) % 32); + bits &= IXGBE_READ_REG(hw, IXGBE_VLVFB(word)); + + /* Disable the filter so this falls into the default pool. */ + if (!bits && !IXGBE_READ_REG(hw, IXGBE_VLVFB(word ^ 1))) { + if (!(adapter->flags2 & IXGBE_FLAG2_VLAN_PROMISC)) + IXGBE_WRITE_REG(hw, IXGBE_VLVFB(word), 0); + IXGBE_WRITE_REG(hw, IXGBE_VLVF(idx), 0); + } +} + static int ixgbe_vlan_rx_kill_vid(struct net_device *netdev, __be16 proto, u16 vid) { @@ -3914,7 +3962,11 @@ static int ixgbe_vlan_rx_kill_vid(struct net_device *netdev, struct ixgbe_hw *hw = &adapter->hw; /* remove VID from filter table */ - hw->mac.ops.set_vfta(&adapter->hw, vid, VMDQ_P(0), false); + if (adapter->flags2 & IXGBE_FLAG2_VLAN_PROMISC) + ixgbe_update_pf_promisc_vlvf(adapter, vid); + else + hw->mac.ops.set_vfta(hw, vid, VMDQ_P(0), false, true); + clear_bit(vid, adapter->active_vlans); return 0; @@ -3992,6 +4044,129 @@ static void ixgbe_vlan_strip_enable(struct ixgbe_adapter *adapter) } } +static void ixgbe_vlan_promisc_enable(struct ixgbe_adapter *adapter) +{ + struct ixgbe_hw *hw = &adapter->hw; + u32 vlnctrl, i; + + switch (hw->mac.type) { + case ixgbe_mac_82599EB: + case ixgbe_mac_X540: + case ixgbe_mac_X550: + case ixgbe_mac_X550EM_x: + default: + if (adapter->flags & IXGBE_FLAG_VMDQ_ENABLED) + break; + /* fall through */ + case ixgbe_mac_82598EB: + /* legacy case, we can just disable VLAN filtering */ + vlnctrl = IXGBE_READ_REG(hw, IXGBE_VLNCTRL); + vlnctrl &= ~(IXGBE_VLNCTRL_VFE | IXGBE_VLNCTRL_CFIEN); + IXGBE_WRITE_REG(hw, IXGBE_VLNCTRL, vlnctrl); + return; + } + + /* We are already in VLAN promisc, nothing to do */ + if (adapter->flags2 & IXGBE_FLAG2_VLAN_PROMISC) + return; + + /* Set flag so we don't redo unnecessary work */ + adapter->flags2 |= IXGBE_FLAG2_VLAN_PROMISC; + + /* Add PF to all active pools */ + for (i = IXGBE_VLVF_ENTRIES; --i;) { + u32 reg_offset = IXGBE_VLVFB(i * 2 + VMDQ_P(0) / 32); + u32 vlvfb = IXGBE_READ_REG(hw, reg_offset); + + vlvfb |= 1 << (VMDQ_P(0) % 32); + IXGBE_WRITE_REG(hw, reg_offset, vlvfb); + } + + /* Set all bits in the VLAN filter table array */ + for (i = hw->mac.vft_size; i--;) + IXGBE_WRITE_REG(hw, IXGBE_VFTA(i), ~0U); +} + +#define VFTA_BLOCK_SIZE 8 +static void ixgbe_scrub_vfta(struct ixgbe_adapter *adapter, u32 vfta_offset) +{ + struct ixgbe_hw *hw = &adapter->hw; + u32 vfta[VFTA_BLOCK_SIZE] = { 0 }; + u32 vid_start = vfta_offset * 32; + u32 vid_end = vid_start + (VFTA_BLOCK_SIZE * 32); + u32 i, vid, word, bits; + + for (i = IXGBE_VLVF_ENTRIES; --i;) { + u32 vlvf = IXGBE_READ_REG(hw, IXGBE_VLVF(i)); + + /* pull VLAN ID from VLVF */ + vid = vlvf & VLAN_VID_MASK; + + /* only concern outselves with a certain range */ + if (vid < vid_start || vid >= vid_end) + continue; + + if (vlvf) { + /* record VLAN ID in VFTA */ + vfta[(vid - vid_start) / 32] |= 1 << (vid % 32); + + /* if PF is part of this then continue */ + if (test_bit(vid, adapter->active_vlans)) + continue; + } + + /* remove PF from the pool */ + word = i * 2 + VMDQ_P(0) / 32; + bits = ~(1 << (VMDQ_P(0) % 32)); + bits &= IXGBE_READ_REG(hw, IXGBE_VLVFB(word)); + IXGBE_WRITE_REG(hw, IXGBE_VLVFB(word), bits); + } + + /* extract values from active_vlans and write back to VFTA */ + for (i = VFTA_BLOCK_SIZE; i--;) { + vid = (vfta_offset + i) * 32; + word = vid / BITS_PER_LONG; + bits = vid % BITS_PER_LONG; + + vfta[i] |= adapter->active_vlans[word] >> bits; + + IXGBE_WRITE_REG(hw, IXGBE_VFTA(vfta_offset + i), vfta[i]); + } +} + +static void ixgbe_vlan_promisc_disable(struct ixgbe_adapter *adapter) +{ + struct ixgbe_hw *hw = &adapter->hw; + u32 vlnctrl, i; + + switch (hw->mac.type) { + case ixgbe_mac_82599EB: + case ixgbe_mac_X540: + case ixgbe_mac_X550: + case ixgbe_mac_X550EM_x: + default: + if (adapter->flags & IXGBE_FLAG_VMDQ_ENABLED) + break; + /* fall through */ + case ixgbe_mac_82598EB: + vlnctrl = IXGBE_READ_REG(hw, IXGBE_VLNCTRL); + vlnctrl &= ~IXGBE_VLNCTRL_CFIEN; + vlnctrl |= IXGBE_VLNCTRL_VFE; + IXGBE_WRITE_REG(hw, IXGBE_VLNCTRL, vlnctrl); + return; + } + + /* We are not in VLAN promisc, nothing to do */ + if (!(adapter->flags2 & IXGBE_FLAG2_VLAN_PROMISC)) + return; + + /* Set flag so we don't redo unnecessary work */ + adapter->flags2 &= ~IXGBE_FLAG2_VLAN_PROMISC; + + for (i = 0; i < hw->mac.vft_size; i += VFTA_BLOCK_SIZE) + ixgbe_scrub_vfta(adapter, i); +} + static void ixgbe_restore_vlan(struct ixgbe_adapter *adapter) { u16 vid; @@ -4034,124 +4209,156 @@ static int ixgbe_write_mc_addr_list(struct net_device *netdev) #ifdef CONFIG_PCI_IOV void ixgbe_full_sync_mac_table(struct ixgbe_adapter *adapter) { + struct ixgbe_mac_addr *mac_table = &adapter->mac_table[0]; struct ixgbe_hw *hw = &adapter->hw; int i; - for (i = 0; i < hw->mac.num_rar_entries; i++) { - if (adapter->mac_table[i].state & IXGBE_MAC_STATE_IN_USE) - hw->mac.ops.set_rar(hw, i, adapter->mac_table[i].addr, - adapter->mac_table[i].queue, + + for (i = 0; i < hw->mac.num_rar_entries; i++, mac_table++) { + mac_table->state &= ~IXGBE_MAC_STATE_MODIFIED; + + if (mac_table->state & IXGBE_MAC_STATE_IN_USE) + hw->mac.ops.set_rar(hw, i, + mac_table->addr, + mac_table->pool, IXGBE_RAH_AV); else hw->mac.ops.clear_rar(hw, i); - - adapter->mac_table[i].state &= ~(IXGBE_MAC_STATE_MODIFIED); } } -#endif +#endif static void ixgbe_sync_mac_table(struct ixgbe_adapter *adapter) { + struct ixgbe_mac_addr *mac_table = &adapter->mac_table[0]; struct ixgbe_hw *hw = &adapter->hw; int i; - for (i = 0; i < hw->mac.num_rar_entries; i++) { - if (adapter->mac_table[i].state & IXGBE_MAC_STATE_MODIFIED) { - if (adapter->mac_table[i].state & - IXGBE_MAC_STATE_IN_USE) - hw->mac.ops.set_rar(hw, i, - adapter->mac_table[i].addr, - adapter->mac_table[i].queue, - IXGBE_RAH_AV); - else - hw->mac.ops.clear_rar(hw, i); - adapter->mac_table[i].state &= - ~(IXGBE_MAC_STATE_MODIFIED); - } + for (i = 0; i < hw->mac.num_rar_entries; i++, mac_table++) { + if (!(mac_table->state & IXGBE_MAC_STATE_MODIFIED)) + continue; + + mac_table->state &= ~IXGBE_MAC_STATE_MODIFIED; + + if (mac_table->state & IXGBE_MAC_STATE_IN_USE) + hw->mac.ops.set_rar(hw, i, + mac_table->addr, + mac_table->pool, + IXGBE_RAH_AV); + else + hw->mac.ops.clear_rar(hw, i); } } static void ixgbe_flush_sw_mac_table(struct ixgbe_adapter *adapter) { - int i; + struct ixgbe_mac_addr *mac_table = &adapter->mac_table[0]; struct ixgbe_hw *hw = &adapter->hw; + int i; - for (i = 0; i < hw->mac.num_rar_entries; i++) { - adapter->mac_table[i].state |= IXGBE_MAC_STATE_MODIFIED; - adapter->mac_table[i].state &= ~IXGBE_MAC_STATE_IN_USE; - eth_zero_addr(adapter->mac_table[i].addr); - adapter->mac_table[i].queue = 0; + for (i = 0; i < hw->mac.num_rar_entries; i++, mac_table++) { + mac_table->state |= IXGBE_MAC_STATE_MODIFIED; + mac_table->state &= ~IXGBE_MAC_STATE_IN_USE; } + ixgbe_sync_mac_table(adapter); } -static int ixgbe_available_rars(struct ixgbe_adapter *adapter) +static int ixgbe_available_rars(struct ixgbe_adapter *adapter, u16 pool) { + struct ixgbe_mac_addr *mac_table = &adapter->mac_table[0]; struct ixgbe_hw *hw = &adapter->hw; int i, count = 0; - for (i = 0; i < hw->mac.num_rar_entries; i++) { - if (adapter->mac_table[i].state == 0) - count++; + for (i = 0; i < hw->mac.num_rar_entries; i++, mac_table++) { + /* do not count default RAR as available */ + if (mac_table->state & IXGBE_MAC_STATE_DEFAULT) + continue; + + /* only count unused and addresses that belong to us */ + if (mac_table->state & IXGBE_MAC_STATE_IN_USE) { + if (mac_table->pool != pool) + continue; + } + + count++; } + return count; } /* this function destroys the first RAR entry */ -static void ixgbe_mac_set_default_filter(struct ixgbe_adapter *adapter, - u8 *addr) +static void ixgbe_mac_set_default_filter(struct ixgbe_adapter *adapter) { + struct ixgbe_mac_addr *mac_table = &adapter->mac_table[0]; struct ixgbe_hw *hw = &adapter->hw; - memcpy(&adapter->mac_table[0].addr, addr, ETH_ALEN); - adapter->mac_table[0].queue = VMDQ_P(0); - adapter->mac_table[0].state = (IXGBE_MAC_STATE_DEFAULT | - IXGBE_MAC_STATE_IN_USE); - hw->mac.ops.set_rar(hw, 0, adapter->mac_table[0].addr, - adapter->mac_table[0].queue, + memcpy(&mac_table->addr, hw->mac.addr, ETH_ALEN); + mac_table->pool = VMDQ_P(0); + + mac_table->state = IXGBE_MAC_STATE_DEFAULT | IXGBE_MAC_STATE_IN_USE; + + hw->mac.ops.set_rar(hw, 0, mac_table->addr, mac_table->pool, IXGBE_RAH_AV); } -int ixgbe_add_mac_filter(struct ixgbe_adapter *adapter, u8 *addr, u16 queue) +int ixgbe_add_mac_filter(struct ixgbe_adapter *adapter, + const u8 *addr, u16 pool) { + struct ixgbe_mac_addr *mac_table = &adapter->mac_table[0]; struct ixgbe_hw *hw = &adapter->hw; int i; if (is_zero_ether_addr(addr)) return -EINVAL; - for (i = 0; i < hw->mac.num_rar_entries; i++) { - if (adapter->mac_table[i].state & IXGBE_MAC_STATE_IN_USE) + for (i = 0; i < hw->mac.num_rar_entries; i++, mac_table++) { + if (mac_table->state & IXGBE_MAC_STATE_IN_USE) continue; - adapter->mac_table[i].state |= (IXGBE_MAC_STATE_MODIFIED | - IXGBE_MAC_STATE_IN_USE); - ether_addr_copy(adapter->mac_table[i].addr, addr); - adapter->mac_table[i].queue = queue; + + ether_addr_copy(mac_table->addr, addr); + mac_table->pool = pool; + + mac_table->state |= IXGBE_MAC_STATE_MODIFIED | + IXGBE_MAC_STATE_IN_USE; + ixgbe_sync_mac_table(adapter); + return i; } + return -ENOMEM; } -int ixgbe_del_mac_filter(struct ixgbe_adapter *adapter, u8 *addr, u16 queue) +int ixgbe_del_mac_filter(struct ixgbe_adapter *adapter, + const u8 *addr, u16 pool) { - /* search table for addr, if found, set to 0 and sync */ - int i; + struct ixgbe_mac_addr *mac_table = &adapter->mac_table[0]; struct ixgbe_hw *hw = &adapter->hw; + int i; if (is_zero_ether_addr(addr)) return -EINVAL; - for (i = 0; i < hw->mac.num_rar_entries; i++) { - if (ether_addr_equal(addr, adapter->mac_table[i].addr) && - adapter->mac_table[i].queue == queue) { - adapter->mac_table[i].state |= IXGBE_MAC_STATE_MODIFIED; - adapter->mac_table[i].state &= ~IXGBE_MAC_STATE_IN_USE; - eth_zero_addr(adapter->mac_table[i].addr); - adapter->mac_table[i].queue = 0; - ixgbe_sync_mac_table(adapter); - return 0; - } + /* search table for addr, if found clear IN_USE flag and sync */ + for (i = 0; i < hw->mac.num_rar_entries; i++, mac_table++) { + /* we can only delete an entry if it is in use */ + if (!(mac_table->state & IXGBE_MAC_STATE_IN_USE)) + continue; + /* we only care about entries that belong to the given pool */ + if (mac_table->pool != pool) + continue; + /* we only care about a specific MAC address */ + if (!ether_addr_equal(addr, mac_table->addr)) + continue; + + mac_table->state |= IXGBE_MAC_STATE_MODIFIED; + mac_table->state &= ~IXGBE_MAC_STATE_IN_USE; + + ixgbe_sync_mac_table(adapter); + + return 0; } + return -ENOMEM; } /** @@ -4169,7 +4376,7 @@ static int ixgbe_write_uc_addr_list(struct net_device *netdev, int vfn) int count = 0; /* return ENOMEM indicating insufficient memory for addresses */ - if (netdev_uc_count(netdev) > ixgbe_available_rars(adapter)) + if (netdev_uc_count(netdev) > ixgbe_available_rars(adapter, vfn)) return -ENOMEM; if (!netdev_uc_empty(netdev)) { @@ -4183,6 +4390,25 @@ static int ixgbe_write_uc_addr_list(struct net_device *netdev, int vfn) return count; } +static int ixgbe_uc_sync(struct net_device *netdev, const unsigned char *addr) +{ + struct ixgbe_adapter *adapter = netdev_priv(netdev); + int ret; + + ret = ixgbe_add_mac_filter(adapter, addr, VMDQ_P(0)); + + return min_t(int, ret, 0); +} + +static int ixgbe_uc_unsync(struct net_device *netdev, const unsigned char *addr) +{ + struct ixgbe_adapter *adapter = netdev_priv(netdev); + + ixgbe_del_mac_filter(adapter, addr, VMDQ_P(0)); + + return 0; +} + /** * ixgbe_set_rx_mode - Unicast, Multicast and Promiscuous mode set * @netdev: network interface device structure @@ -4197,12 +4423,10 @@ void ixgbe_set_rx_mode(struct net_device *netdev) struct ixgbe_adapter *adapter = netdev_priv(netdev); struct ixgbe_hw *hw = &adapter->hw; u32 fctrl, vmolr = IXGBE_VMOLR_BAM | IXGBE_VMOLR_AUPE; - u32 vlnctrl; int count; /* Check for Promiscuous and All Multicast modes */ fctrl = IXGBE_READ_REG(hw, IXGBE_FCTRL); - vlnctrl = IXGBE_READ_REG(hw, IXGBE_VLNCTRL); /* set all bits that we expect to always be set */ fctrl &= ~IXGBE_FCTRL_SBP; /* disable store-bad-packets */ @@ -4212,25 +4436,18 @@ void ixgbe_set_rx_mode(struct net_device *netdev) /* clear the bits we are changing the status of */ fctrl &= ~(IXGBE_FCTRL_UPE | IXGBE_FCTRL_MPE); - vlnctrl &= ~(IXGBE_VLNCTRL_VFE | IXGBE_VLNCTRL_CFIEN); if (netdev->flags & IFF_PROMISC) { hw->addr_ctrl.user_set_promisc = true; fctrl |= (IXGBE_FCTRL_UPE | IXGBE_FCTRL_MPE); vmolr |= IXGBE_VMOLR_MPE; - /* Only disable hardware filter vlans in promiscuous mode - * if SR-IOV and VMDQ are disabled - otherwise ensure - * that hardware VLAN filters remain enabled. - */ - if (adapter->flags & (IXGBE_FLAG_VMDQ_ENABLED | - IXGBE_FLAG_SRIOV_ENABLED)) - vlnctrl |= (IXGBE_VLNCTRL_VFE | IXGBE_VLNCTRL_CFIEN); + ixgbe_vlan_promisc_enable(adapter); } else { if (netdev->flags & IFF_ALLMULTI) { fctrl |= IXGBE_FCTRL_MPE; vmolr |= IXGBE_VMOLR_MPE; } - vlnctrl |= IXGBE_VLNCTRL_VFE; hw->addr_ctrl.user_set_promisc = false; + ixgbe_vlan_promisc_disable(adapter); } /* @@ -4238,8 +4455,7 @@ void ixgbe_set_rx_mode(struct net_device *netdev) * sufficient space to store all the addresses then enable * unicast promiscuous mode */ - count = ixgbe_write_uc_addr_list(netdev, VMDQ_P(0)); - if (count < 0) { + if (__dev_uc_sync(netdev, ixgbe_uc_sync, ixgbe_uc_unsync)) { fctrl |= IXGBE_FCTRL_UPE; vmolr |= IXGBE_VMOLR_ROPE; } @@ -4275,7 +4491,6 @@ void ixgbe_set_rx_mode(struct net_device *netdev) /* NOTE: VLAN filtering is disabled by setting PROMISC */ } - IXGBE_WRITE_REG(hw, IXGBE_VLNCTRL, vlnctrl); IXGBE_WRITE_REG(hw, IXGBE_FCTRL, fctrl); if (netdev->features & NETIF_F_HW_VLAN_CTAG_RX) @@ -5042,7 +5257,6 @@ void ixgbe_reset(struct ixgbe_adapter *adapter) struct ixgbe_hw *hw = &adapter->hw; struct net_device *netdev = adapter->netdev; int err; - u8 old_addr[ETH_ALEN]; if (ixgbe_removed(hw->hw_addr)) return; @@ -5078,10 +5292,13 @@ void ixgbe_reset(struct ixgbe_adapter *adapter) } clear_bit(__IXGBE_IN_SFP_INIT, &adapter->state); - /* do not flush user set addresses */ - memcpy(old_addr, &adapter->mac_table[0].addr, netdev->addr_len); + + /* flush entries out of MAC table */ ixgbe_flush_sw_mac_table(adapter); - ixgbe_mac_set_default_filter(adapter, old_addr); + __dev_uc_unsync(netdev, NULL); + + /* do not flush user set addresses */ + ixgbe_mac_set_default_filter(adapter); /* update SAN MAC vmdq pool selection */ if (hw->mac.san_mac_rar_index) @@ -5331,6 +5548,8 @@ static int ixgbe_sw_init(struct ixgbe_adapter *adapter) adapter->mac_table = kzalloc(sizeof(struct ixgbe_mac_addr) * hw->mac.num_rar_entries, GFP_ATOMIC); + if (!adapter->mac_table) + return -ENOMEM; /* Set MAC specific capability flags and exceptions */ switch (hw->mac.type) { @@ -6616,10 +6835,8 @@ static void ixgbe_check_for_bad_vf(struct ixgbe_adapter *adapter) { struct ixgbe_hw *hw = &adapter->hw; struct pci_dev *pdev = adapter->pdev; - struct pci_dev *vfdev; + unsigned int vf; u32 gpc; - int pos; - unsigned short vf_id; if (!(netif_carrier_ok(adapter->netdev))) return; @@ -6636,26 +6853,17 @@ static void ixgbe_check_for_bad_vf(struct ixgbe_adapter *adapter) if (!pdev) return; - pos = pci_find_ext_capability(pdev, PCI_EXT_CAP_ID_SRIOV); - if (!pos) - return; - - /* get the device ID for the VF */ - pci_read_config_word(pdev, pos + PCI_SRIOV_VF_DID, &vf_id); - /* check status reg for all VFs owned by this PF */ - vfdev = pci_get_device(pdev->vendor, vf_id, NULL); - while (vfdev) { - if (vfdev->is_virtfn && (vfdev->physfn == pdev)) { - u16 status_reg; - - pci_read_config_word(vfdev, PCI_STATUS, &status_reg); - if (status_reg & PCI_STATUS_REC_MASTER_ABORT) - /* issue VFLR */ - ixgbe_issue_vf_flr(adapter, vfdev); - } + for (vf = 0; vf < adapter->num_vfs; ++vf) { + struct pci_dev *vfdev = adapter->vfinfo[vf].vfdev; + u16 status_reg; - vfdev = pci_get_device(pdev->vendor, vf_id, vfdev); + if (!vfdev) + continue; + pci_read_config_word(vfdev, PCI_STATUS, &status_reg); + if (status_reg != IXGBE_FAILED_READ_CFG_WORD && + status_reg & PCI_STATUS_REC_MASTER_ABORT) + ixgbe_issue_vf_flr(adapter, vfdev); } } @@ -7024,6 +7232,7 @@ static void ixgbe_tx_csum(struct ixgbe_ring *tx_ring, struct tcphdr *tcphdr; u8 *raw; } transport_hdr; + __be16 frag_off; if (skb->encapsulation) { network_hdr.raw = skb_inner_network_header(skb); @@ -7047,13 +7256,17 @@ static void ixgbe_tx_csum(struct ixgbe_ring *tx_ring, case 6: vlan_macip_lens |= transport_hdr.raw - network_hdr.raw; l4_hdr = network_hdr.ipv6->nexthdr; + if (likely((transport_hdr.raw - network_hdr.raw) == + sizeof(struct ipv6hdr))) + break; + ipv6_skip_exthdr(skb, network_hdr.raw - skb->data + + sizeof(struct ipv6hdr), + &l4_hdr, &frag_off); + if (unlikely(frag_off)) + l4_hdr = NEXTHDR_FRAGMENT; break; default: - if (unlikely(net_ratelimit())) { - dev_warn(tx_ring->dev, - "partial checksum but version=%d\n", - network_hdr.ipv4->version); - } + break; } switch (l4_hdr) { @@ -7074,16 +7287,18 @@ static void ixgbe_tx_csum(struct ixgbe_ring *tx_ring, default: if (unlikely(net_ratelimit())) { dev_warn(tx_ring->dev, - "partial checksum but l4 proto=%x!\n", - l4_hdr); + "partial checksum, version=%d, l4 proto=%x\n", + network_hdr.ipv4->version, l4_hdr); } - break; + skb_checksum_help(skb); + goto no_csum; } /* update TX checksum flag */ first->tx_flags |= IXGBE_TX_FLAGS_CSUM; } +no_csum: /* vlan_macip_lens: MACLEN, VLAN tag */ vlan_macip_lens |= first->tx_flags & IXGBE_TX_FLAGS_VLAN_MASK; @@ -7358,7 +7573,9 @@ static void ixgbe_atr(struct ixgbe_ring *ring, /* snag network header to get L4 type and address */ skb = first->skb; hdr.network = skb_network_header(skb); - if (skb->encapsulation) { + if (!skb->encapsulation) { + th = tcp_hdr(skb); + } else { #ifdef CONFIG_IXGBE_VXLAN struct ixgbe_adapter *adapter = q_vector->adapter; @@ -7377,14 +7594,34 @@ static void ixgbe_atr(struct ixgbe_ring *ring, #else return; #endif /* CONFIG_IXGBE_VXLAN */ - } else { - /* Currently only IPv4/IPv6 with TCP is supported */ - if ((first->protocol != htons(ETH_P_IPV6) || - hdr.ipv6->nexthdr != IPPROTO_TCP) && - (first->protocol != htons(ETH_P_IP) || - hdr.ipv4->protocol != IPPROTO_TCP)) + } + + /* Currently only IPv4/IPv6 with TCP is supported */ + switch (hdr.ipv4->version) { + case IPVERSION: + if (hdr.ipv4->protocol != IPPROTO_TCP) return; - th = tcp_hdr(skb); + break; + case 6: + if (likely((unsigned char *)th - hdr.network == + sizeof(struct ipv6hdr))) { + if (hdr.ipv6->nexthdr != IPPROTO_TCP) + return; + } else { + __be16 frag_off; + u8 l4_hdr; + + ipv6_skip_exthdr(skb, hdr.network - skb->data + + sizeof(struct ipv6hdr), + &l4_hdr, &frag_off); + if (unlikely(frag_off)) + return; + if (l4_hdr != IPPROTO_TCP) + return; + } + break; + default: + return; } /* skip this packet since it is invalid or the socket is closing */ @@ -7419,10 +7656,12 @@ static void ixgbe_atr(struct ixgbe_ring *ring, common.port.src ^= th->dest ^ first->protocol; common.port.dst ^= th->source; - if (first->protocol == htons(ETH_P_IP)) { + switch (hdr.ipv4->version) { + case IPVERSION: input.formatted.flow_type = IXGBE_ATR_FLOW_TYPE_TCPV4; common.ip ^= hdr.ipv4->saddr ^ hdr.ipv4->daddr; - } else { + break; + case 6: input.formatted.flow_type = IXGBE_ATR_FLOW_TYPE_TCPV6; common.ip ^= hdr.ipv6->saddr.s6_addr32[0] ^ hdr.ipv6->saddr.s6_addr32[1] ^ @@ -7432,6 +7671,9 @@ static void ixgbe_atr(struct ixgbe_ring *ring, hdr.ipv6->daddr.s6_addr32[1] ^ hdr.ipv6->daddr.s6_addr32[2] ^ hdr.ipv6->daddr.s6_addr32[3]; + break; + default: + break; } #ifdef CONFIG_IXGBE_VXLAN @@ -7659,17 +7901,16 @@ static int ixgbe_set_mac(struct net_device *netdev, void *p) struct ixgbe_adapter *adapter = netdev_priv(netdev); struct ixgbe_hw *hw = &adapter->hw; struct sockaddr *addr = p; - int ret; if (!is_valid_ether_addr(addr->sa_data)) return -EADDRNOTAVAIL; - ixgbe_del_mac_filter(adapter, hw->mac.addr, VMDQ_P(0)); memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len); memcpy(hw->mac.addr, addr->sa_data, netdev->addr_len); - ret = ixgbe_add_mac_filter(adapter, hw->mac.addr, VMDQ_P(0)); - return ret > 0 ? 0 : ret; + ixgbe_mac_set_default_filter(adapter); + + return 0; } static int @@ -8155,7 +8396,10 @@ static int ixgbe_ndo_fdb_add(struct ndmsg *ndm, struct nlattr *tb[], { /* guarantee we can provide a unique filter for the unicast address */ if (is_unicast_ether_addr(addr) || is_link_local_ether_addr(addr)) { - if (IXGBE_MAX_PF_MACVLANS <= netdev_uc_count(dev)) + struct ixgbe_adapter *adapter = netdev_priv(dev); + u16 pool = VMDQ_P(0); + + if (netdev_uc_count(dev) >= ixgbe_available_rars(adapter, pool)) return -ENOMEM; } @@ -8387,7 +8631,7 @@ ixgbe_features_check(struct sk_buff *skb, struct net_device *dev, if (unlikely(skb_inner_mac_header(skb) - skb_transport_header(skb) > IXGBE_MAX_TUNNEL_HDR_LEN)) - return features & ~NETIF_F_ALL_CSUM; + return features & ~NETIF_F_CSUM_MASK; return features; } @@ -8784,8 +9028,8 @@ skip_sriov: case ixgbe_mac_X540: case ixgbe_mac_X550: case ixgbe_mac_X550EM_x: - netdev->features |= NETIF_F_SCTP_CSUM; - netdev->hw_features |= NETIF_F_SCTP_CSUM | + netdev->features |= NETIF_F_SCTP_CRC; + netdev->hw_features |= NETIF_F_SCTP_CRC | NETIF_F_NTUPLE; break; default: @@ -8801,8 +9045,7 @@ skip_sriov: netdev->vlan_features |= NETIF_F_IPV6_CSUM; netdev->vlan_features |= NETIF_F_SG; - netdev->hw_enc_features |= NETIF_F_SG | NETIF_F_IP_CSUM | - NETIF_F_IPV6_CSUM; + netdev->hw_enc_features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM; netdev->priv_flags |= IFF_UNICAST_FLT; netdev->priv_flags |= IFF_SUPP_NOFCS; @@ -8811,9 +9054,7 @@ skip_sriov: switch (adapter->hw.mac.type) { case ixgbe_mac_X550: case ixgbe_mac_X550EM_x: - netdev->hw_enc_features |= NETIF_F_RXCSUM | - NETIF_F_IP_CSUM | - NETIF_F_IPV6_CSUM; + netdev->hw_enc_features |= NETIF_F_RXCSUM; break; default: break; @@ -8873,7 +9114,7 @@ skip_sriov: goto err_sw_init; } - ixgbe_mac_set_default_filter(adapter, hw->mac.perm_addr); + ixgbe_mac_set_default_filter(adapter); setup_timer(&adapter->service_timer, &ixgbe_service_timer, (unsigned long) adapter); @@ -9328,6 +9569,12 @@ static int __init ixgbe_init_module(void) pr_info("%s - version %s\n", ixgbe_driver_string, ixgbe_driver_version); pr_info("%s\n", ixgbe_copyright); + ixgbe_wq = create_singlethread_workqueue(ixgbe_driver_name); + if (!ixgbe_wq) { + pr_err("%s: Failed to create workqueue\n", ixgbe_driver_name); + return -ENOMEM; + } + ixgbe_dbg_init(); ret = pci_register_driver(&ixgbe_driver); @@ -9359,6 +9606,10 @@ static void __exit ixgbe_exit_module(void) pci_unregister_driver(&ixgbe_driver); ixgbe_dbg_exit(); + if (ixgbe_wq) { + destroy_workqueue(ixgbe_wq); + ixgbe_wq = NULL; + } } #ifdef CONFIG_IXGBE_DCA diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.c index fb8673d63..db0731e05 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.c @@ -2393,6 +2393,9 @@ s32 ixgbe_set_copper_phy_power(struct ixgbe_hw *hw, bool on) if (hw->mac.ops.get_media_type(hw) != ixgbe_media_type_copper) return 0; + if (!on && ixgbe_mng_present(hw)) + return 0; + status = hw->phy.ops.read_reg(hw, IXGBE_MDIO_VENDOR_SPECIFIC_1_CONTROL, IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE, ®); diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_ptp.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_ptp.c index e5ba04025..ef1504d41 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_ptp.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_ptp.c @@ -1,7 +1,7 @@ /******************************************************************************* Intel 10 Gigabit PCI Express Linux driver - Copyright(c) 1999 - 2013 Intel Corporation. + Copyright(c) 1999 - 2015 Intel Corporation. This program is free software; you can redistribute it and/or modify it under the terms and conditions of the GNU General Public License, @@ -27,6 +27,7 @@ *******************************************************************************/ #include "ixgbe.h" #include <linux/ptp_classify.h> +#include <linux/clocksource.h> /* * The 82599 and the X540 do not have true 64bit nanosecond scale @@ -93,7 +94,6 @@ #define IXGBE_INCVAL_SHIFT_82599 7 #define IXGBE_INCPER_SHIFT_82599 24 -#define IXGBE_MAX_TIMEADJ_VALUE 0x7FFFFFFFFFFFFFFFULL #define IXGBE_OVERFLOW_PERIOD (HZ * 30) #define IXGBE_PTP_TX_TIMEOUT (HZ * 15) @@ -104,8 +104,68 @@ */ #define IXGBE_PTP_PPS_HALF_SECOND 500000000ULL +/* In contrast, the X550 controller has two registers, SYSTIMEH and SYSTIMEL + * which contain measurements of seconds and nanoseconds respectively. This + * matches the standard linux representation of time in the kernel. In addition, + * the X550 also has a SYSTIMER register which represents residue, or + * subnanosecond overflow adjustments. To control clock adjustment, the TIMINCA + * register is used, but it is unlike the X540 and 82599 devices. TIMINCA + * represents units of 2^-32 nanoseconds, and uses 31 bits for this, with the + * high bit representing whether the adjustent is positive or negative. Every + * clock cycle, the X550 will add 12.5 ns + TIMINCA which can result in a range + * of 12 to 13 nanoseconds adjustment. Unlike the 82599 and X540 devices, the + * X550's clock for purposes of SYSTIME generation is constant and not dependent + * on the link speed. + * + * SYSTIMEH SYSTIMEL SYSTIMER + * +--------------+ +--------------+ +-------------+ + * X550 | 32 | | 32 | | 32 | + * *--------------+ +--------------+ +-------------+ + * \____seconds___/ \_nanoseconds_/ \__2^-32 ns__/ + * + * This results in a full 96 bits to represent the clock, with 32 bits for + * seconds, 32 bits for nanoseconds (largest value is 0d999999999 or just under + * 1 second) and an additional 32 bits to measure sub nanosecond adjustments for + * underflow of adjustments. + * + * The 32 bits of seconds for the X550 overflows every + * 2^32 / ( 365.25 * 24 * 60 * 60 ) = ~136 years. + * + * In order to adjust the clock frequency for the X550, the TIMINCA register is + * provided. This register represents a + or minus nearly 0.5 ns adjustment to + * the base frequency. It is measured in 2^-32 ns units, with the high bit being + * the sign bit. This register enables software to calculate frequency + * adjustments and apply them directly to the clock rate. + * + * The math for converting ppb into TIMINCA values is fairly straightforward. + * TIMINCA value = ( Base_Frequency * ppb ) / 1000000000ULL + * + * This assumes that ppb is never high enough to create a value bigger than + * TIMINCA's 31 bits can store. This is ensured by the stack. Calculating this + * value is also simple. + * Max ppb = ( Max Adjustment / Base Frequency ) / 1000000000ULL + * + * For the X550, the Max adjustment is +/- 0.5 ns, and the base frequency is + * 12.5 nanoseconds. This means that the Max ppb is 39999999 + * Note: We subtract one in order to ensure no overflow, because the TIMINCA + * register can only hold slightly under 0.5 nanoseconds. + * + * Because TIMINCA is measured in 2^-32 ns units, we have to convert 12.5 ns + * into 2^-32 units, which is + * + * 12.5 * 2^32 = C80000000 + * + * Some revisions of hardware have a faster base frequency than the registers + * were defined for. To fix this, we use a timecounter structure with the + * proper mult and shift to convert the cycles into nanoseconds of time. + */ +#define IXGBE_X550_BASE_PERIOD 0xC80000000ULL +#define INCVALUE_MASK 0x7FFFFFFF +#define ISGN 0x80000000 +#define MAX_TIMADJ 0x7FFFFFFF + /** - * ixgbe_ptp_setup_sdp + * ixgbe_ptp_setup_sdp_x540 * @hw: the hardware private structure * * this function enables or disables the clock out feature on SDP0 for @@ -116,83 +176,116 @@ * aligns the start of the PPS signal to that value. The shift is * necessary because it can change based on the link speed. */ -static void ixgbe_ptp_setup_sdp(struct ixgbe_adapter *adapter) +static void ixgbe_ptp_setup_sdp_x540(struct ixgbe_adapter *adapter) { struct ixgbe_hw *hw = &adapter->hw; - int shift = adapter->cc.shift; + int shift = adapter->hw_cc.shift; u32 esdp, tsauxc, clktiml, clktimh, trgttiml, trgttimh, rem; u64 ns = 0, clock_edge = 0; - if ((adapter->flags2 & IXGBE_FLAG2_PTP_PPS_ENABLED) && - (hw->mac.type == ixgbe_mac_X540)) { + /* disable the pin first */ + IXGBE_WRITE_REG(hw, IXGBE_TSAUXC, 0x0); + IXGBE_WRITE_FLUSH(hw); - /* disable the pin first */ - IXGBE_WRITE_REG(hw, IXGBE_TSAUXC, 0x0); - IXGBE_WRITE_FLUSH(hw); + if (!(adapter->flags2 & IXGBE_FLAG2_PTP_PPS_ENABLED)) + return; - esdp = IXGBE_READ_REG(hw, IXGBE_ESDP); + esdp = IXGBE_READ_REG(hw, IXGBE_ESDP); - /* - * enable the SDP0 pin as output, and connected to the - * native function for Timesync (ClockOut) - */ - esdp |= (IXGBE_ESDP_SDP0_DIR | - IXGBE_ESDP_SDP0_NATIVE); + /* enable the SDP0 pin as output, and connected to the + * native function for Timesync (ClockOut) + */ + esdp |= IXGBE_ESDP_SDP0_DIR | + IXGBE_ESDP_SDP0_NATIVE; - /* - * enable the Clock Out feature on SDP0, and allow - * interrupts to occur when the pin changes - */ - tsauxc = (IXGBE_TSAUXC_EN_CLK | - IXGBE_TSAUXC_SYNCLK | - IXGBE_TSAUXC_SDP0_INT); + /* enable the Clock Out feature on SDP0, and allow + * interrupts to occur when the pin changes + */ + tsauxc = IXGBE_TSAUXC_EN_CLK | + IXGBE_TSAUXC_SYNCLK | + IXGBE_TSAUXC_SDP0_INT; - /* clock period (or pulse length) */ - clktiml = (u32)(IXGBE_PTP_PPS_HALF_SECOND << shift); - clktimh = (u32)((IXGBE_PTP_PPS_HALF_SECOND << shift) >> 32); + /* clock period (or pulse length) */ + clktiml = (u32)(IXGBE_PTP_PPS_HALF_SECOND << shift); + clktimh = (u32)((IXGBE_PTP_PPS_HALF_SECOND << shift) >> 32); - /* - * Account for the cyclecounter wrap-around value by - * using the converted ns value of the current time to - * check for when the next aligned second would occur. - */ - clock_edge |= (u64)IXGBE_READ_REG(hw, IXGBE_SYSTIML); - clock_edge |= (u64)IXGBE_READ_REG(hw, IXGBE_SYSTIMH) << 32; - ns = timecounter_cyc2time(&adapter->tc, clock_edge); + /* Account for the cyclecounter wrap-around value by + * using the converted ns value of the current time to + * check for when the next aligned second would occur. + */ + clock_edge |= (u64)IXGBE_READ_REG(hw, IXGBE_SYSTIML); + clock_edge |= (u64)IXGBE_READ_REG(hw, IXGBE_SYSTIMH) << 32; + ns = timecounter_cyc2time(&adapter->hw_tc, clock_edge); - div_u64_rem(ns, IXGBE_PTP_PPS_HALF_SECOND, &rem); - clock_edge += ((IXGBE_PTP_PPS_HALF_SECOND - (u64)rem) << shift); + div_u64_rem(ns, IXGBE_PTP_PPS_HALF_SECOND, &rem); + clock_edge += ((IXGBE_PTP_PPS_HALF_SECOND - (u64)rem) << shift); - /* specify the initial clock start time */ - trgttiml = (u32)clock_edge; - trgttimh = (u32)(clock_edge >> 32); + /* specify the initial clock start time */ + trgttiml = (u32)clock_edge; + trgttimh = (u32)(clock_edge >> 32); - IXGBE_WRITE_REG(hw, IXGBE_CLKTIML, clktiml); - IXGBE_WRITE_REG(hw, IXGBE_CLKTIMH, clktimh); - IXGBE_WRITE_REG(hw, IXGBE_TRGTTIML0, trgttiml); - IXGBE_WRITE_REG(hw, IXGBE_TRGTTIMH0, trgttimh); + IXGBE_WRITE_REG(hw, IXGBE_CLKTIML, clktiml); + IXGBE_WRITE_REG(hw, IXGBE_CLKTIMH, clktimh); + IXGBE_WRITE_REG(hw, IXGBE_TRGTTIML0, trgttiml); + IXGBE_WRITE_REG(hw, IXGBE_TRGTTIMH0, trgttimh); - IXGBE_WRITE_REG(hw, IXGBE_ESDP, esdp); - IXGBE_WRITE_REG(hw, IXGBE_TSAUXC, tsauxc); - } else { - IXGBE_WRITE_REG(hw, IXGBE_TSAUXC, 0x0); - } + IXGBE_WRITE_REG(hw, IXGBE_ESDP, esdp); + IXGBE_WRITE_REG(hw, IXGBE_TSAUXC, tsauxc); IXGBE_WRITE_FLUSH(hw); } /** - * ixgbe_ptp_read - read raw cycle counter (to be used by time counter) + * ixgbe_ptp_read_X550 - read cycle counter value + * @hw_cc: cyclecounter structure + * + * This function reads SYSTIME registers. It is called by the cyclecounter + * structure to convert from internal representation into nanoseconds. We need + * this for X550 since some skews do not have expected clock frequency and + * result of SYSTIME is 32bits of "billions of cycles" and 32 bits of + * "cycles", rather than seconds and nanoseconds. + */ +static cycle_t ixgbe_ptp_read_X550(const struct cyclecounter *hw_cc) +{ + struct ixgbe_adapter *adapter = + container_of(hw_cc, struct ixgbe_adapter, hw_cc); + struct ixgbe_hw *hw = &adapter->hw; + struct timespec64 ts; + + /* storage is 32 bits of 'billions of cycles' and 32 bits of 'cycles'. + * Some revisions of hardware run at a higher frequency and so the + * cycles are not guaranteed to be nanoseconds. The timespec64 created + * here is used for its math/conversions but does not necessarily + * represent nominal time. + * + * It should be noted that this cyclecounter will overflow at a + * non-bitmask field since we have to convert our billions of cycles + * into an actual cycles count. This results in some possible weird + * situations at high cycle counter stamps. However given that 32 bits + * of "seconds" is ~138 years this isn't a problem. Even at the + * increased frequency of some revisions, this is still ~103 years. + * Since the SYSTIME values start at 0 and we never write them, it is + * highly unlikely for the cyclecounter to overflow in practice. + */ + IXGBE_READ_REG(hw, IXGBE_SYSTIMR); + ts.tv_nsec = IXGBE_READ_REG(hw, IXGBE_SYSTIML); + ts.tv_sec = IXGBE_READ_REG(hw, IXGBE_SYSTIMH); + + return (u64)timespec64_to_ns(&ts); +} + +/** + * ixgbe_ptp_read_82599 - read raw cycle counter (to be used by time counter) * @cc: the cyclecounter structure * * this function reads the cyclecounter registers and is called by the * cyclecounter structure used to construct a ns counter from the * arbitrary fixed point registers */ -static cycle_t ixgbe_ptp_read(const struct cyclecounter *cc) +static cycle_t ixgbe_ptp_read_82599(const struct cyclecounter *cc) { struct ixgbe_adapter *adapter = - container_of(cc, struct ixgbe_adapter, cc); + container_of(cc, struct ixgbe_adapter, hw_cc); struct ixgbe_hw *hw = &adapter->hw; u64 stamp = 0; @@ -203,20 +296,79 @@ static cycle_t ixgbe_ptp_read(const struct cyclecounter *cc) } /** - * ixgbe_ptp_adjfreq + * ixgbe_ptp_convert_to_hwtstamp - convert register value to hw timestamp + * @adapter: private adapter structure + * @hwtstamp: stack timestamp structure + * @systim: unsigned 64bit system time value + * + * We need to convert the adapter's RX/TXSTMP registers into a hwtstamp value + * which can be used by the stack's ptp functions. + * + * The lock is used to protect consistency of the cyclecounter and the SYSTIME + * registers. However, it does not need to protect against the Rx or Tx + * timestamp registers, as there can't be a new timestamp until the old one is + * unlatched by reading. + * + * In addition to the timestamp in hardware, some controllers need a software + * overflow cyclecounter, and this function takes this into account as well. + **/ +static void ixgbe_ptp_convert_to_hwtstamp(struct ixgbe_adapter *adapter, + struct skb_shared_hwtstamps *hwtstamp, + u64 timestamp) +{ + unsigned long flags; + struct timespec64 systime; + u64 ns; + + memset(hwtstamp, 0, sizeof(*hwtstamp)); + + switch (adapter->hw.mac.type) { + /* X550 and later hardware supposedly represent time using a seconds + * and nanoseconds counter, instead of raw 64bits nanoseconds. We need + * to convert the timestamp into cycles before it can be fed to the + * cyclecounter. We need an actual cyclecounter because some revisions + * of hardware run at a higher frequency and thus the counter does + * not represent seconds/nanoseconds. Instead it can be thought of as + * cycles and billions of cycles. + */ + case ixgbe_mac_X550: + case ixgbe_mac_X550EM_x: + /* Upper 32 bits represent billions of cycles, lower 32 bits + * represent cycles. However, we use timespec64_to_ns for the + * correct math even though the units haven't been corrected + * yet. + */ + systime.tv_sec = timestamp >> 32; + systime.tv_nsec = timestamp & 0xFFFFFFFF; + + timestamp = timespec64_to_ns(&systime); + break; + default: + break; + } + + spin_lock_irqsave(&adapter->tmreg_lock, flags); + ns = timecounter_cyc2time(&adapter->hw_tc, timestamp); + spin_unlock_irqrestore(&adapter->tmreg_lock, flags); + + hwtstamp->hwtstamp = ns_to_ktime(ns); +} + +/** + * ixgbe_ptp_adjfreq_82599 * @ptp: the ptp clock structure * @ppb: parts per billion adjustment from base * * adjust the frequency of the ptp cycle counter by the * indicated ppb from the base frequency. */ -static int ixgbe_ptp_adjfreq(struct ptp_clock_info *ptp, s32 ppb) +static int ixgbe_ptp_adjfreq_82599(struct ptp_clock_info *ptp, s32 ppb) { struct ixgbe_adapter *adapter = container_of(ptp, struct ixgbe_adapter, ptp_caps); struct ixgbe_hw *hw = &adapter->hw; - u64 freq; - u32 diff, incval; + u64 freq, incval; + u32 diff; int neg_adj = 0; if (ppb < 0) { @@ -235,12 +387,16 @@ static int ixgbe_ptp_adjfreq(struct ptp_clock_info *ptp, s32 ppb) switch (hw->mac.type) { case ixgbe_mac_X540: - IXGBE_WRITE_REG(hw, IXGBE_TIMINCA, incval); + if (incval > 0xFFFFFFFFULL) + e_dev_warn("PTP ppb adjusted SYSTIME rate overflowed!\n"); + IXGBE_WRITE_REG(hw, IXGBE_TIMINCA, (u32)incval); break; case ixgbe_mac_82599EB: + if (incval > 0x00FFFFFFULL) + e_dev_warn("PTP ppb adjusted SYSTIME rate overflowed!\n"); IXGBE_WRITE_REG(hw, IXGBE_TIMINCA, (1 << IXGBE_INCPER_SHIFT_82599) | - incval); + ((u32)incval & 0x00FFFFFFUL)); break; default: break; @@ -250,6 +406,43 @@ static int ixgbe_ptp_adjfreq(struct ptp_clock_info *ptp, s32 ppb) } /** + * ixgbe_ptp_adjfreq_X550 + * @ptp: the ptp clock structure + * @ppb: parts per billion adjustment from base + * + * adjust the frequency of the SYSTIME registers by the indicated ppb from base + * frequency + */ +static int ixgbe_ptp_adjfreq_X550(struct ptp_clock_info *ptp, s32 ppb) +{ + struct ixgbe_adapter *adapter = + container_of(ptp, struct ixgbe_adapter, ptp_caps); + struct ixgbe_hw *hw = &adapter->hw; + int neg_adj = 0; + u64 rate = IXGBE_X550_BASE_PERIOD; + u32 inca; + + if (ppb < 0) { + neg_adj = 1; + ppb = -ppb; + } + rate *= ppb; + rate = div_u64(rate, 1000000000ULL); + + /* warn if rate is too large */ + if (rate >= INCVALUE_MASK) + e_dev_warn("PTP ppb adjusted SYSTIME rate overflowed!\n"); + + inca = rate & INCVALUE_MASK; + if (neg_adj) + inca |= ISGN; + + IXGBE_WRITE_REG(hw, IXGBE_TIMINCA, inca); + + return 0; +} + +/** * ixgbe_ptp_adjtime * @ptp: the ptp clock structure * @delta: offset to adjust the cycle counter by @@ -263,10 +456,11 @@ static int ixgbe_ptp_adjtime(struct ptp_clock_info *ptp, s64 delta) unsigned long flags; spin_lock_irqsave(&adapter->tmreg_lock, flags); - timecounter_adjtime(&adapter->tc, delta); + timecounter_adjtime(&adapter->hw_tc, delta); spin_unlock_irqrestore(&adapter->tmreg_lock, flags); - ixgbe_ptp_setup_sdp(adapter); + if (adapter->ptp_setup_sdp) + adapter->ptp_setup_sdp(adapter); return 0; } @@ -283,11 +477,11 @@ static int ixgbe_ptp_gettime(struct ptp_clock_info *ptp, struct timespec64 *ts) { struct ixgbe_adapter *adapter = container_of(ptp, struct ixgbe_adapter, ptp_caps); - u64 ns; unsigned long flags; + u64 ns; spin_lock_irqsave(&adapter->tmreg_lock, flags); - ns = timecounter_read(&adapter->tc); + ns = timecounter_read(&adapter->hw_tc); spin_unlock_irqrestore(&adapter->tmreg_lock, flags); *ts = ns_to_timespec64(ns); @@ -308,17 +502,16 @@ static int ixgbe_ptp_settime(struct ptp_clock_info *ptp, { struct ixgbe_adapter *adapter = container_of(ptp, struct ixgbe_adapter, ptp_caps); - u64 ns; unsigned long flags; - - ns = timespec64_to_ns(ts); + u64 ns = timespec64_to_ns(ts); /* reset the timecounter */ spin_lock_irqsave(&adapter->tmreg_lock, flags); - timecounter_init(&adapter->tc, &adapter->cc, ns); + timecounter_init(&adapter->hw_tc, &adapter->hw_cc, ns); spin_unlock_irqrestore(&adapter->tmreg_lock, flags); - ixgbe_ptp_setup_sdp(adapter); + if (adapter->ptp_setup_sdp) + adapter->ptp_setup_sdp(adapter); return 0; } @@ -343,33 +536,26 @@ static int ixgbe_ptp_feature_enable(struct ptp_clock_info *ptp, * event when the clock SDP triggers. Clear mask when PPS is * disabled */ - if (rq->type == PTP_CLK_REQ_PPS) { - switch (adapter->hw.mac.type) { - case ixgbe_mac_X540: - if (on) - adapter->flags2 |= IXGBE_FLAG2_PTP_PPS_ENABLED; - else - adapter->flags2 &= ~IXGBE_FLAG2_PTP_PPS_ENABLED; - - ixgbe_ptp_setup_sdp(adapter); - return 0; - default: - break; - } - } + if (rq->type != PTP_CLK_REQ_PPS || !adapter->ptp_setup_sdp) + return -ENOTSUPP; + + if (on) + adapter->flags2 |= IXGBE_FLAG2_PTP_PPS_ENABLED; + else + adapter->flags2 &= ~IXGBE_FLAG2_PTP_PPS_ENABLED; - return -ENOTSUPP; + adapter->ptp_setup_sdp(adapter); + return 0; } /** * ixgbe_ptp_check_pps_event * @adapter: the private adapter structure - * @eicr: the interrupt cause register value * * This function is called by the interrupt routine when checking for * interrupts. It will check and handle a pps event. */ -void ixgbe_ptp_check_pps_event(struct ixgbe_adapter *adapter, u32 eicr) +void ixgbe_ptp_check_pps_event(struct ixgbe_adapter *adapter) { struct ixgbe_hw *hw = &adapter->hw; struct ptp_clock_event event; @@ -425,7 +611,9 @@ void ixgbe_ptp_rx_hang(struct ixgbe_adapter *adapter) { struct ixgbe_hw *hw = &adapter->hw; u32 tsyncrxctl = IXGBE_READ_REG(hw, IXGBE_TSYNCRXCTL); + struct ixgbe_ring *rx_ring; unsigned long rx_event; + int n; /* if we don't have a valid timestamp in the registers, just update the * timeout counter and exit @@ -437,19 +625,43 @@ void ixgbe_ptp_rx_hang(struct ixgbe_adapter *adapter) /* determine the most recent watchdog or rx_timestamp event */ rx_event = adapter->last_rx_ptp_check; - if (time_after(adapter->last_rx_timestamp, rx_event)) - rx_event = adapter->last_rx_timestamp; + for (n = 0; n < adapter->num_rx_queues; n++) { + rx_ring = adapter->rx_ring[n]; + if (time_after(rx_ring->last_rx_timestamp, rx_event)) + rx_event = rx_ring->last_rx_timestamp; + } /* only need to read the high RXSTMP register to clear the lock */ - if (time_is_before_jiffies(rx_event + 5*HZ)) { + if (time_is_before_jiffies(rx_event + 5 * HZ)) { IXGBE_READ_REG(hw, IXGBE_RXSTMPH); adapter->last_rx_ptp_check = jiffies; + adapter->rx_hwtstamp_cleared++; e_warn(drv, "clearing RX Timestamp hang\n"); } } /** + * ixgbe_ptp_clear_tx_timestamp - utility function to clear Tx timestamp state + * @adapter: the private adapter structure + * + * This function should be called whenever the state related to a Tx timestamp + * needs to be cleared. This helps ensure that all related bits are reset for + * the next Tx timestamp event. + */ +static void ixgbe_ptp_clear_tx_timestamp(struct ixgbe_adapter *adapter) +{ + struct ixgbe_hw *hw = &adapter->hw; + + IXGBE_READ_REG(hw, IXGBE_TXSTMPH); + if (adapter->ptp_tx_skb) { + dev_kfree_skb_any(adapter->ptp_tx_skb); + adapter->ptp_tx_skb = NULL; + } + clear_bit_unlock(__IXGBE_PTP_TX_IN_PROGRESS, &adapter->state); +} + +/** * ixgbe_ptp_tx_hwtstamp - utility function which checks for TX time stamp * @adapter: the private adapter struct * @@ -461,23 +673,15 @@ static void ixgbe_ptp_tx_hwtstamp(struct ixgbe_adapter *adapter) { struct ixgbe_hw *hw = &adapter->hw; struct skb_shared_hwtstamps shhwtstamps; - u64 regval = 0, ns; - unsigned long flags; + u64 regval = 0; regval |= (u64)IXGBE_READ_REG(hw, IXGBE_TXSTMPL); regval |= (u64)IXGBE_READ_REG(hw, IXGBE_TXSTMPH) << 32; - spin_lock_irqsave(&adapter->tmreg_lock, flags); - ns = timecounter_cyc2time(&adapter->tc, regval); - spin_unlock_irqrestore(&adapter->tmreg_lock, flags); - - memset(&shhwtstamps, 0, sizeof(shhwtstamps)); - shhwtstamps.hwtstamp = ns_to_ktime(ns); + ixgbe_ptp_convert_to_hwtstamp(adapter, &shhwtstamps, regval); skb_tstamp_tx(adapter->ptp_tx_skb, &shhwtstamps); - dev_kfree_skb_any(adapter->ptp_tx_skb); - adapter->ptp_tx_skb = NULL; - clear_bit_unlock(__IXGBE_PTP_TX_IN_PROGRESS, &adapter->state); + ixgbe_ptp_clear_tx_timestamp(adapter); } /** @@ -497,38 +701,85 @@ static void ixgbe_ptp_tx_hwtstamp_work(struct work_struct *work) IXGBE_PTP_TX_TIMEOUT); u32 tsynctxctl; - if (timeout) { - dev_kfree_skb_any(adapter->ptp_tx_skb); - adapter->ptp_tx_skb = NULL; - clear_bit_unlock(__IXGBE_PTP_TX_IN_PROGRESS, &adapter->state); - e_warn(drv, "clearing Tx Timestamp hang\n"); + /* we have to have a valid skb to poll for a timestamp */ + if (!adapter->ptp_tx_skb) { + ixgbe_ptp_clear_tx_timestamp(adapter); return; } + /* stop polling once we have a valid timestamp */ tsynctxctl = IXGBE_READ_REG(hw, IXGBE_TSYNCTXCTL); - if (tsynctxctl & IXGBE_TSYNCTXCTL_VALID) + if (tsynctxctl & IXGBE_TSYNCTXCTL_VALID) { ixgbe_ptp_tx_hwtstamp(adapter); - else + return; + } + + if (timeout) { + ixgbe_ptp_clear_tx_timestamp(adapter); + adapter->tx_hwtstamp_timeouts++; + e_warn(drv, "clearing Tx Timestamp hang\n"); + } else { /* reschedule to keep checking if it's not available yet */ schedule_work(&adapter->ptp_tx_work); + } } /** - * ixgbe_ptp_rx_hwtstamp - utility function which checks for RX time stamp - * @adapter: pointer to adapter struct + * ixgbe_ptp_rx_pktstamp - utility function to get RX time stamp from buffer + * @q_vector: structure containing interrupt and ring information + * @skb: the packet + * + * This function will be called by the Rx routine of the timestamp for this + * packet is stored in the buffer. The value is stored in little endian format + * starting at the end of the packet data. + */ +void ixgbe_ptp_rx_pktstamp(struct ixgbe_q_vector *q_vector, + struct sk_buff *skb) +{ + __le64 regval; + + /* copy the bits out of the skb, and then trim the skb length */ + skb_copy_bits(skb, skb->len - IXGBE_TS_HDR_LEN, ®val, + IXGBE_TS_HDR_LEN); + __pskb_trim(skb, skb->len - IXGBE_TS_HDR_LEN); + + /* The timestamp is recorded in little endian format, and is stored at + * the end of the packet. + * + * DWORD: N N + 1 N + 2 + * Field: End of Packet SYSTIMH SYSTIML + */ + ixgbe_ptp_convert_to_hwtstamp(q_vector->adapter, skb_hwtstamps(skb), + le64_to_cpu(regval)); +} + +/** + * ixgbe_ptp_rx_rgtstamp - utility function which checks for RX time stamp + * @q_vector: structure containing interrupt and ring information * @skb: particular skb to send timestamp with * * if the timestamp is valid, we convert it into the timecounter ns * value, then store that result into the shhwtstamps structure which * is passed up the network stack */ -void ixgbe_ptp_rx_hwtstamp(struct ixgbe_adapter *adapter, struct sk_buff *skb) +void ixgbe_ptp_rx_rgtstamp(struct ixgbe_q_vector *q_vector, + struct sk_buff *skb) { - struct ixgbe_hw *hw = &adapter->hw; - struct skb_shared_hwtstamps *shhwtstamps; - u64 regval = 0, ns; + struct ixgbe_adapter *adapter; + struct ixgbe_hw *hw; + u64 regval = 0; u32 tsyncrxctl; - unsigned long flags; + + /* we cannot process timestamps on a ring without a q_vector */ + if (!q_vector || !q_vector->adapter) + return; + + adapter = q_vector->adapter; + hw = &adapter->hw; + + /* Read the tsyncrxctl register afterwards in order to prevent taking an + * I/O hit on every packet. + */ tsyncrxctl = IXGBE_READ_REG(hw, IXGBE_TSYNCRXCTL); if (!(tsyncrxctl & IXGBE_TSYNCRXCTL_VALID)) @@ -537,17 +788,7 @@ void ixgbe_ptp_rx_hwtstamp(struct ixgbe_adapter *adapter, struct sk_buff *skb) regval |= (u64)IXGBE_READ_REG(hw, IXGBE_RXSTMPL); regval |= (u64)IXGBE_READ_REG(hw, IXGBE_RXSTMPH) << 32; - spin_lock_irqsave(&adapter->tmreg_lock, flags); - ns = timecounter_cyc2time(&adapter->tc, regval); - spin_unlock_irqrestore(&adapter->tmreg_lock, flags); - - shhwtstamps = skb_hwtstamps(skb); - shhwtstamps->hwtstamp = ns_to_ktime(ns); - - /* Update the last_rx_timestamp timer in order to enable watchdog check - * for error case of latched timestamp on a dropped packet. - */ - adapter->last_rx_timestamp = jiffies; + ixgbe_ptp_convert_to_hwtstamp(adapter, skb_hwtstamps(skb), regval); } int ixgbe_ptp_get_ts_config(struct ixgbe_adapter *adapter, struct ifreq *ifr) @@ -610,14 +851,20 @@ static int ixgbe_ptp_set_timestamp_mode(struct ixgbe_adapter *adapter, case HWTSTAMP_FILTER_NONE: tsync_rx_ctl = 0; tsync_rx_mtrl = 0; + adapter->flags &= ~(IXGBE_FLAG_RX_HWTSTAMP_ENABLED | + IXGBE_FLAG_RX_HWTSTAMP_IN_REGISTER); break; case HWTSTAMP_FILTER_PTP_V1_L4_SYNC: tsync_rx_ctl |= IXGBE_TSYNCRXCTL_TYPE_L4_V1; tsync_rx_mtrl |= IXGBE_RXMTRL_V1_SYNC_MSG; + adapter->flags &= ~(IXGBE_FLAG_RX_HWTSTAMP_ENABLED | + IXGBE_FLAG_RX_HWTSTAMP_IN_REGISTER); break; case HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ: tsync_rx_ctl |= IXGBE_TSYNCRXCTL_TYPE_L4_V1; tsync_rx_mtrl |= IXGBE_RXMTRL_V1_DELAY_REQ_MSG; + adapter->flags &= ~(IXGBE_FLAG_RX_HWTSTAMP_ENABLED | + IXGBE_FLAG_RX_HWTSTAMP_IN_REGISTER); break; case HWTSTAMP_FILTER_PTP_V2_EVENT: case HWTSTAMP_FILTER_PTP_V2_L2_EVENT: @@ -631,9 +878,21 @@ static int ixgbe_ptp_set_timestamp_mode(struct ixgbe_adapter *adapter, tsync_rx_ctl |= IXGBE_TSYNCRXCTL_TYPE_EVENT_V2; is_l2 = true; config->rx_filter = HWTSTAMP_FILTER_PTP_V2_EVENT; + adapter->flags &= ~(IXGBE_FLAG_RX_HWTSTAMP_ENABLED | + IXGBE_FLAG_RX_HWTSTAMP_IN_REGISTER); break; case HWTSTAMP_FILTER_PTP_V1_L4_EVENT: case HWTSTAMP_FILTER_ALL: + /* The X550 controller is capable of timestamping all packets, + * which allows it to accept any filter. + */ + if (hw->mac.type >= ixgbe_mac_X550) { + tsync_rx_ctl |= IXGBE_TSYNCRXCTL_TYPE_ALL; + config->rx_filter = HWTSTAMP_FILTER_ALL; + adapter->flags |= IXGBE_FLAG_RX_HWTSTAMP_ENABLED; + break; + } + /* fall through */ default: /* * register RXMTRL must be set in order to do V1 packets, @@ -641,16 +900,46 @@ static int ixgbe_ptp_set_timestamp_mode(struct ixgbe_adapter *adapter, * Delay_Req messages and hardware does not support * timestamping all packets => return error */ + adapter->flags &= ~(IXGBE_FLAG_RX_HWTSTAMP_ENABLED | + IXGBE_FLAG_RX_HWTSTAMP_IN_REGISTER); config->rx_filter = HWTSTAMP_FILTER_NONE; return -ERANGE; } if (hw->mac.type == ixgbe_mac_82598EB) { + adapter->flags &= ~(IXGBE_FLAG_RX_HWTSTAMP_ENABLED | + IXGBE_FLAG_RX_HWTSTAMP_IN_REGISTER); if (tsync_rx_ctl | tsync_tx_ctl) return -ERANGE; return 0; } + /* Per-packet timestamping only works if the filter is set to all + * packets. Since this is desired, always timestamp all packets as long + * as any Rx filter was configured. + */ + switch (hw->mac.type) { + case ixgbe_mac_X550: + case ixgbe_mac_X550EM_x: + /* enable timestamping all packets only if at least some + * packets were requested. Otherwise, play nice and disable + * timestamping + */ + if (config->rx_filter == HWTSTAMP_FILTER_NONE) + break; + + tsync_rx_ctl = IXGBE_TSYNCRXCTL_ENABLED | + IXGBE_TSYNCRXCTL_TYPE_ALL | + IXGBE_TSYNCRXCTL_TSIP_UT_EN; + config->rx_filter = HWTSTAMP_FILTER_ALL; + adapter->flags |= IXGBE_FLAG_RX_HWTSTAMP_ENABLED; + adapter->flags &= ~IXGBE_FLAG_RX_HWTSTAMP_IN_REGISTER; + is_l2 = true; + break; + default: + break; + } + /* define ethertype filter for timestamping L2 packets */ if (is_l2) IXGBE_WRITE_REG(hw, IXGBE_ETQF(IXGBE_ETQF_FILTER_1588), @@ -678,8 +967,8 @@ static int ixgbe_ptp_set_timestamp_mode(struct ixgbe_adapter *adapter, IXGBE_WRITE_FLUSH(hw); /* clear TX/RX time stamp registers, just to be sure */ - regval = IXGBE_READ_REG(hw, IXGBE_TXSTMPH); - regval = IXGBE_READ_REG(hw, IXGBE_RXSTMPH); + ixgbe_ptp_clear_tx_timestamp(adapter); + IXGBE_READ_REG(hw, IXGBE_RXSTMPH); return 0; } @@ -712,23 +1001,9 @@ int ixgbe_ptp_set_ts_config(struct ixgbe_adapter *adapter, struct ifreq *ifr) -EFAULT : 0; } -/** - * ixgbe_ptp_start_cyclecounter - create the cycle counter from hw - * @adapter: pointer to the adapter structure - * - * This function should be called to set the proper values for the TIMINCA - * register and tell the cyclecounter structure what the tick rate of SYSTIME - * is. It does not directly modify SYSTIME registers or the timecounter - * structure. It should be called whenever a new TIMINCA value is necessary, - * such as during initialization or when the link speed changes. - */ -void ixgbe_ptp_start_cyclecounter(struct ixgbe_adapter *adapter) +static void ixgbe_ptp_link_speed_adjust(struct ixgbe_adapter *adapter, + u32 *shift, u32 *incval) { - struct ixgbe_hw *hw = &adapter->hw; - u32 incval = 0; - u32 shift = 0; - unsigned long flags; - /** * Scale the NIC cycle counter by a large factor so that * relatively small corrections to the frequency can be added @@ -745,36 +1020,98 @@ void ixgbe_ptp_start_cyclecounter(struct ixgbe_adapter *adapter) */ switch (adapter->link_speed) { case IXGBE_LINK_SPEED_100_FULL: - incval = IXGBE_INCVAL_100; - shift = IXGBE_INCVAL_SHIFT_100; + *shift = IXGBE_INCVAL_SHIFT_100; + *incval = IXGBE_INCVAL_100; break; case IXGBE_LINK_SPEED_1GB_FULL: - incval = IXGBE_INCVAL_1GB; - shift = IXGBE_INCVAL_SHIFT_1GB; + *shift = IXGBE_INCVAL_SHIFT_1GB; + *incval = IXGBE_INCVAL_1GB; break; case IXGBE_LINK_SPEED_10GB_FULL: default: - incval = IXGBE_INCVAL_10GB; - shift = IXGBE_INCVAL_SHIFT_10GB; + *shift = IXGBE_INCVAL_SHIFT_10GB; + *incval = IXGBE_INCVAL_10GB; break; } +} - /** - * Modify the calculated values to fit within the correct - * number of bits specified by the hardware. The 82599 doesn't - * have the same space as the X540, so bitshift the calculated - * values to fit. +/** + * ixgbe_ptp_start_cyclecounter - create the cycle counter from hw + * @adapter: pointer to the adapter structure + * + * This function should be called to set the proper values for the TIMINCA + * register and tell the cyclecounter structure what the tick rate of SYSTIME + * is. It does not directly modify SYSTIME registers or the timecounter + * structure. It should be called whenever a new TIMINCA value is necessary, + * such as during initialization or when the link speed changes. + */ +void ixgbe_ptp_start_cyclecounter(struct ixgbe_adapter *adapter) +{ + struct ixgbe_hw *hw = &adapter->hw; + struct cyclecounter cc; + unsigned long flags; + u32 incval = 0; + u32 tsauxc = 0; + u32 fuse0 = 0; + + /* For some of the boards below this mask is technically incorrect. + * The timestamp mask overflows at approximately 61bits. However the + * particular hardware does not overflow on an even bitmask value. + * Instead, it overflows due to conversion of upper 32bits billions of + * cycles. Timecounters are not really intended for this purpose so + * they do not properly function if the overflow point isn't 2^N-1. + * However, the actual SYSTIME values in question take ~138 years to + * overflow. In practice this means they won't actually overflow. A + * proper fix to this problem would require modification of the + * timecounter delta calculations. */ + cc.mask = CLOCKSOURCE_MASK(64); + cc.mult = 1; + cc.shift = 0; + switch (hw->mac.type) { + case ixgbe_mac_X550EM_x: + /* SYSTIME assumes X550EM_x board frequency is 300Mhz, and is + * designed to represent seconds and nanoseconds when this is + * the case. However, some revisions of hardware have a 400Mhz + * clock and we have to compensate for this frequency + * variation using corrected mult and shift values. + */ + fuse0 = IXGBE_READ_REG(hw, IXGBE_FUSES0_GROUP(0)); + if (!(fuse0 & IXGBE_FUSES0_300MHZ)) { + cc.mult = 3; + cc.shift = 2; + } + /* fallthrough */ + case ixgbe_mac_X550: + cc.read = ixgbe_ptp_read_X550; + + /* enable SYSTIME counter */ + IXGBE_WRITE_REG(hw, IXGBE_SYSTIMR, 0); + IXGBE_WRITE_REG(hw, IXGBE_SYSTIML, 0); + IXGBE_WRITE_REG(hw, IXGBE_SYSTIMH, 0); + tsauxc = IXGBE_READ_REG(hw, IXGBE_TSAUXC); + IXGBE_WRITE_REG(hw, IXGBE_TSAUXC, + tsauxc & ~IXGBE_TSAUXC_DISABLE_SYSTIME); + IXGBE_WRITE_REG(hw, IXGBE_TSIM, IXGBE_TSIM_TXTS); + IXGBE_WRITE_REG(hw, IXGBE_EIMS, IXGBE_EIMS_TIMESYNC); + + IXGBE_WRITE_FLUSH(hw); + break; case ixgbe_mac_X540: + cc.read = ixgbe_ptp_read_82599; + + ixgbe_ptp_link_speed_adjust(adapter, &cc.shift, &incval); IXGBE_WRITE_REG(hw, IXGBE_TIMINCA, incval); break; case ixgbe_mac_82599EB: + cc.read = ixgbe_ptp_read_82599; + + ixgbe_ptp_link_speed_adjust(adapter, &cc.shift, &incval); incval >>= IXGBE_INCVAL_SHIFT_82599; - shift -= IXGBE_INCVAL_SHIFT_82599; + cc.shift -= IXGBE_INCVAL_SHIFT_82599; IXGBE_WRITE_REG(hw, IXGBE_TIMINCA, - (1 << IXGBE_INCPER_SHIFT_82599) | - incval); + (1 << IXGBE_INCPER_SHIFT_82599) | incval); break; default: /* other devices aren't supported */ @@ -787,13 +1124,7 @@ void ixgbe_ptp_start_cyclecounter(struct ixgbe_adapter *adapter) /* need lock to prevent incorrect read while modifying cyclecounter */ spin_lock_irqsave(&adapter->tmreg_lock, flags); - - memset(&adapter->cc, 0, sizeof(adapter->cc)); - adapter->cc.read = ixgbe_ptp_read; - adapter->cc.mask = CYCLECOUNTER_MASK(64); - adapter->cc.shift = shift; - adapter->cc.mult = 1; - + memcpy(&adapter->hw_cc, &cc, sizeof(adapter->hw_cc)); spin_unlock_irqrestore(&adapter->tmreg_lock, flags); } @@ -814,29 +1145,27 @@ void ixgbe_ptp_reset(struct ixgbe_adapter *adapter) struct ixgbe_hw *hw = &adapter->hw; unsigned long flags; - /* set SYSTIME registers to 0 just in case */ - IXGBE_WRITE_REG(hw, IXGBE_SYSTIML, 0x00000000); - IXGBE_WRITE_REG(hw, IXGBE_SYSTIMH, 0x00000000); - IXGBE_WRITE_FLUSH(hw); - /* reset the hardware timestamping mode */ ixgbe_ptp_set_timestamp_mode(adapter, &adapter->tstamp_config); + /* 82598 does not support PTP */ + if (hw->mac.type == ixgbe_mac_82598EB) + return; + ixgbe_ptp_start_cyclecounter(adapter); spin_lock_irqsave(&adapter->tmreg_lock, flags); - - /* reset the ns time counter */ - timecounter_init(&adapter->tc, &adapter->cc, + timecounter_init(&adapter->hw_tc, &adapter->hw_cc, ktime_to_ns(ktime_get_real())); - spin_unlock_irqrestore(&adapter->tmreg_lock, flags); - /* - * Now that the shift has been calculated and the systime + adapter->last_overflow_check = jiffies; + + /* Now that the shift has been calculated and the systime * registers reset, (re-)enable the Clock out feature */ - ixgbe_ptp_setup_sdp(adapter); + if (adapter->ptp_setup_sdp) + adapter->ptp_setup_sdp(adapter); } /** @@ -845,11 +1174,11 @@ void ixgbe_ptp_reset(struct ixgbe_adapter *adapter) * * This function performs setup of the user entry point function table and * initializes the PTP clock device, which is used to access the clock-like - * features of the PTP core. It will be called by ixgbe_ptp_init, only if - * there isn't already a clock device (such as after a suspend/resume cycle, - * where the clock device wasn't destroyed). + * features of the PTP core. It will be called by ixgbe_ptp_init, and may + * reuse a previously initialized clock (such as during a suspend/resume + * cycle). */ -static int ixgbe_ptp_create_clock(struct ixgbe_adapter *adapter) +static long ixgbe_ptp_create_clock(struct ixgbe_adapter *adapter) { struct net_device *netdev = adapter->netdev; long err; @@ -869,11 +1198,12 @@ static int ixgbe_ptp_create_clock(struct ixgbe_adapter *adapter) adapter->ptp_caps.n_ext_ts = 0; adapter->ptp_caps.n_per_out = 0; adapter->ptp_caps.pps = 1; - adapter->ptp_caps.adjfreq = ixgbe_ptp_adjfreq; + adapter->ptp_caps.adjfreq = ixgbe_ptp_adjfreq_82599; adapter->ptp_caps.adjtime = ixgbe_ptp_adjtime; adapter->ptp_caps.gettime64 = ixgbe_ptp_gettime; adapter->ptp_caps.settime64 = ixgbe_ptp_settime; adapter->ptp_caps.enable = ixgbe_ptp_feature_enable; + adapter->ptp_setup_sdp = ixgbe_ptp_setup_sdp_x540; break; case ixgbe_mac_82599EB: snprintf(adapter->ptp_caps.name, @@ -885,14 +1215,31 @@ static int ixgbe_ptp_create_clock(struct ixgbe_adapter *adapter) adapter->ptp_caps.n_ext_ts = 0; adapter->ptp_caps.n_per_out = 0; adapter->ptp_caps.pps = 0; - adapter->ptp_caps.adjfreq = ixgbe_ptp_adjfreq; + adapter->ptp_caps.adjfreq = ixgbe_ptp_adjfreq_82599; + adapter->ptp_caps.adjtime = ixgbe_ptp_adjtime; + adapter->ptp_caps.gettime64 = ixgbe_ptp_gettime; + adapter->ptp_caps.settime64 = ixgbe_ptp_settime; + adapter->ptp_caps.enable = ixgbe_ptp_feature_enable; + break; + case ixgbe_mac_X550: + case ixgbe_mac_X550EM_x: + snprintf(adapter->ptp_caps.name, 16, "%s", netdev->name); + adapter->ptp_caps.owner = THIS_MODULE; + adapter->ptp_caps.max_adj = 30000000; + adapter->ptp_caps.n_alarm = 0; + adapter->ptp_caps.n_ext_ts = 0; + adapter->ptp_caps.n_per_out = 0; + adapter->ptp_caps.pps = 0; + adapter->ptp_caps.adjfreq = ixgbe_ptp_adjfreq_X550; adapter->ptp_caps.adjtime = ixgbe_ptp_adjtime; adapter->ptp_caps.gettime64 = ixgbe_ptp_gettime; adapter->ptp_caps.settime64 = ixgbe_ptp_settime; adapter->ptp_caps.enable = ixgbe_ptp_feature_enable; + adapter->ptp_setup_sdp = NULL; break; default: adapter->ptp_clock = NULL; + adapter->ptp_setup_sdp = NULL; return -EOPNOTSUPP; } @@ -961,18 +1308,13 @@ void ixgbe_ptp_suspend(struct ixgbe_adapter *adapter) if (!test_and_clear_bit(__IXGBE_PTP_RUNNING, &adapter->state)) return; - /* since this might be called in suspend, we don't clear the state, - * but simply reset the auxiliary PPS signal control register - */ - IXGBE_WRITE_REG(&adapter->hw, IXGBE_TSAUXC, 0x0); + adapter->flags2 &= ~IXGBE_FLAG2_PTP_PPS_ENABLED; + if (adapter->ptp_setup_sdp) + adapter->ptp_setup_sdp(adapter); /* ensure that we cancel any pending PTP Tx work item in progress */ cancel_work_sync(&adapter->ptp_tx_work); - if (adapter->ptp_tx_skb) { - dev_kfree_skb_any(adapter->ptp_tx_skb); - adapter->ptp_tx_skb = NULL; - clear_bit_unlock(__IXGBE_PTP_TX_IN_PROGRESS, &adapter->state); - } + ixgbe_ptp_clear_tx_timestamp(adapter); } /** diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c index fcd8b27a0..8025a3f93 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c @@ -1,7 +1,7 @@ /******************************************************************************* Intel 10 Gigabit PCI Express Linux driver - Copyright(c) 1999 - 2014 Intel Corporation. + Copyright(c) 1999 - 2015 Intel Corporation. This program is free software; you can redistribute it and/or modify it under the terms and conditions of the GNU General Public License, @@ -130,6 +130,38 @@ static int __ixgbe_enable_sriov(struct ixgbe_adapter *adapter) return -ENOMEM; } +/** + * ixgbe_get_vfs - Find and take references to all vf devices + * @adapter: Pointer to adapter struct + */ +static void ixgbe_get_vfs(struct ixgbe_adapter *adapter) +{ + struct pci_dev *pdev = adapter->pdev; + u16 vendor = pdev->vendor; + struct pci_dev *vfdev; + int vf = 0; + u16 vf_id; + int pos; + + pos = pci_find_ext_capability(pdev, PCI_EXT_CAP_ID_SRIOV); + if (!pos) + return; + pci_read_config_word(pdev, pos + PCI_SRIOV_VF_DID, &vf_id); + + vfdev = pci_get_device(vendor, vf_id, NULL); + for (; vfdev; vfdev = pci_get_device(vendor, vf_id, vfdev)) { + if (!vfdev->is_virtfn) + continue; + if (vfdev->physfn != pdev) + continue; + if (vf >= adapter->num_vfs) + continue; + pci_dev_get(vfdev); + adapter->vfinfo[vf].vfdev = vfdev; + ++vf; + } +} + /* Note this function is called when the user wants to enable SR-IOV * VFs using the now deprecated module parameter */ @@ -170,8 +202,10 @@ void ixgbe_enable_sriov(struct ixgbe_adapter *adapter) } } - if (!__ixgbe_enable_sriov(adapter)) + if (!__ixgbe_enable_sriov(adapter)) { + ixgbe_get_vfs(adapter); return; + } /* If we have gotten to this point then there is no memory available * to manage the VF devices - print message and bail. @@ -184,6 +218,7 @@ void ixgbe_enable_sriov(struct ixgbe_adapter *adapter) #endif /* #ifdef CONFIG_PCI_IOV */ int ixgbe_disable_sriov(struct ixgbe_adapter *adapter) { + unsigned int num_vfs = adapter->num_vfs, vf; struct ixgbe_hw *hw = &adapter->hw; u32 gpie; u32 vmdctl; @@ -192,6 +227,16 @@ int ixgbe_disable_sriov(struct ixgbe_adapter *adapter) /* set num VFs to 0 to prevent access to vfinfo */ adapter->num_vfs = 0; + /* put the reference to all of the vf devices */ + for (vf = 0; vf < num_vfs; ++vf) { + struct pci_dev *vfdev = adapter->vfinfo[vf].vfdev; + + if (!vfdev) + continue; + adapter->vfinfo[vf].vfdev = NULL; + pci_dev_put(vfdev); + } + /* free VF control structures */ kfree(adapter->vfinfo); adapter->vfinfo = NULL; @@ -289,6 +334,7 @@ static int ixgbe_pci_sriov_enable(struct pci_dev *dev, int num_vfs) e_dev_warn("Failed to enable PCI sriov: %d\n", err); return err; } + ixgbe_get_vfs(adapter); ixgbe_sriov_reinit(adapter); return num_vfs; @@ -406,11 +452,34 @@ void ixgbe_restore_vf_multicasts(struct ixgbe_adapter *adapter) static int ixgbe_set_vf_vlan(struct ixgbe_adapter *adapter, int add, int vid, u32 vf) { - /* VLAN 0 is a special case, don't allow it to be removed */ - if (!vid && !add) - return 0; + struct ixgbe_hw *hw = &adapter->hw; + int err; + + /* If VLAN overlaps with one the PF is currently monitoring make + * sure that we are able to allocate a VLVF entry. This may be + * redundant but it guarantees PF will maintain visibility to + * the VLAN. + */ + if (add && test_bit(vid, adapter->active_vlans)) { + err = hw->mac.ops.set_vfta(hw, vid, VMDQ_P(0), true, false); + if (err) + return err; + } + + err = hw->mac.ops.set_vfta(hw, vid, vf, !!add, false); - return adapter->hw.mac.ops.set_vfta(&adapter->hw, vid, vf, (bool)add); + if (add && !err) + return err; + + /* If we failed to add the VF VLAN or we are removing the VF VLAN + * we may need to drop the PF pool bit in order to allow us to free + * up the VLVF resources. + */ + if (test_bit(vid, adapter->active_vlans) || + (adapter->flags2 & IXGBE_FLAG2_VLAN_PROMISC)) + ixgbe_update_pf_promisc_vlvf(adapter, vid); + + return err; } static s32 ixgbe_set_vf_lpe(struct ixgbe_adapter *adapter, u32 *msgbuf, u32 vf) @@ -516,13 +585,75 @@ static void ixgbe_clear_vmvir(struct ixgbe_adapter *adapter, u32 vf) IXGBE_WRITE_REG(hw, IXGBE_VMVIR(vf), 0); } + +static void ixgbe_clear_vf_vlans(struct ixgbe_adapter *adapter, u32 vf) +{ + struct ixgbe_hw *hw = &adapter->hw; + u32 i; + + /* post increment loop, covers VLVF_ENTRIES - 1 to 0 */ + for (i = IXGBE_VLVF_ENTRIES; i--;) { + u32 bits[2], vlvfb, vid, vfta, vlvf; + u32 word = i * 2 + vf / 32; + u32 mask = 1 << (vf % 32); + + vlvfb = IXGBE_READ_REG(hw, IXGBE_VLVFB(word)); + + /* if our bit isn't set we can skip it */ + if (!(vlvfb & mask)) + continue; + + /* clear our bit from vlvfb */ + vlvfb ^= mask; + + /* create 64b mask to chedk to see if we should clear VLVF */ + bits[word % 2] = vlvfb; + bits[~word % 2] = IXGBE_READ_REG(hw, IXGBE_VLVFB(word ^ 1)); + + /* if promisc is enabled, PF will be present, leave VFTA */ + if (adapter->flags2 & IXGBE_FLAG2_VLAN_PROMISC) { + bits[VMDQ_P(0) / 32] &= ~(1 << (VMDQ_P(0) % 32)); + + if (bits[0] || bits[1]) + goto update_vlvfb; + goto update_vlvf; + } + + /* if other pools are present, just remove ourselves */ + if (bits[0] || bits[1]) + goto update_vlvfb; + + /* if we cannot determine VLAN just remove ourselves */ + vlvf = IXGBE_READ_REG(hw, IXGBE_VLVF(i)); + if (!vlvf) + goto update_vlvfb; + + vid = vlvf & VLAN_VID_MASK; + mask = 1 << (vid % 32); + + /* clear bit from VFTA */ + vfta = IXGBE_READ_REG(hw, IXGBE_VFTA(vid / 32)); + if (vfta & mask) + IXGBE_WRITE_REG(hw, IXGBE_VFTA(vid / 32), vfta ^ mask); +update_vlvf: + /* clear POOL selection enable */ + IXGBE_WRITE_REG(hw, IXGBE_VLVF(i), 0); +update_vlvfb: + /* clear pool bits */ + IXGBE_WRITE_REG(hw, IXGBE_VLVFB(word), vlvfb); + } +} + static inline void ixgbe_vf_reset_event(struct ixgbe_adapter *adapter, u32 vf) { struct ixgbe_hw *hw = &adapter->hw; struct vf_data_storage *vfinfo = &adapter->vfinfo[vf]; u8 num_tcs = netdev_get_num_tc(adapter->netdev); - /* add PF assigned VLAN or VLAN 0 */ + /* remove VLAN filters beloning to this VF */ + ixgbe_clear_vf_vlans(adapter, vf); + + /* add back PF assigned VLAN or VLAN 0 */ ixgbe_set_vf_vlan(adapter, true, vfinfo->pf_vlan, vf); /* reset offloads to defaults */ @@ -768,40 +899,14 @@ static int ixgbe_set_vf_mac_addr(struct ixgbe_adapter *adapter, return ixgbe_set_vf_mac(adapter, vf, new_mac) < 0; } -static int ixgbe_find_vlvf_entry(struct ixgbe_hw *hw, u32 vlan) -{ - u32 vlvf; - s32 regindex; - - /* short cut the special case */ - if (vlan == 0) - return 0; - - /* Search for the vlan id in the VLVF entries */ - for (regindex = 1; regindex < IXGBE_VLVF_ENTRIES; regindex++) { - vlvf = IXGBE_READ_REG(hw, IXGBE_VLVF(regindex)); - if ((vlvf & VLAN_VID_MASK) == vlan) - break; - } - - /* Return a negative value if not found */ - if (regindex >= IXGBE_VLVF_ENTRIES) - regindex = -1; - - return regindex; -} - static int ixgbe_set_vf_vlan_msg(struct ixgbe_adapter *adapter, u32 *msgbuf, u32 vf) { + u32 add = (msgbuf[0] & IXGBE_VT_MSGINFO_MASK) >> IXGBE_VT_MSGINFO_SHIFT; + u32 vid = (msgbuf[1] & IXGBE_VLVF_VLANID_MASK); + u8 tcs = netdev_get_num_tc(adapter->netdev); struct ixgbe_hw *hw = &adapter->hw; - int add = (msgbuf[0] & IXGBE_VT_MSGINFO_MASK) >> IXGBE_VT_MSGINFO_SHIFT; - int vid = (msgbuf[1] & IXGBE_VLVF_VLANID_MASK); int err; - s32 reg_ndx; - u32 vlvf; - u32 bits; - u8 tcs = netdev_get_num_tc(adapter->netdev); if (adapter->vfinfo[vf].pf_vlan || tcs) { e_warn(drv, @@ -811,54 +916,23 @@ static int ixgbe_set_vf_vlan_msg(struct ixgbe_adapter *adapter, return -1; } - if (add) - adapter->vfinfo[vf].vlan_count++; - else if (adapter->vfinfo[vf].vlan_count) - adapter->vfinfo[vf].vlan_count--; - - /* in case of promiscuous mode any VLAN filter set for a VF must - * also have the PF pool added to it. - */ - if (add && adapter->netdev->flags & IFF_PROMISC) - err = ixgbe_set_vf_vlan(adapter, add, vid, VMDQ_P(0)); + /* VLAN 0 is a special case, don't allow it to be removed */ + if (!vid && !add) + return 0; err = ixgbe_set_vf_vlan(adapter, add, vid, vf); - if (!err && adapter->vfinfo[vf].spoofchk_enabled) - hw->mac.ops.set_vlan_anti_spoofing(hw, true, vf); + if (err) + return err; - /* Go through all the checks to see if the VLAN filter should - * be wiped completely. - */ - if (!add && adapter->netdev->flags & IFF_PROMISC) { - reg_ndx = ixgbe_find_vlvf_entry(hw, vid); - if (reg_ndx < 0) - return err; - vlvf = IXGBE_READ_REG(hw, IXGBE_VLVF(reg_ndx)); - /* See if any other pools are set for this VLAN filter - * entry other than the PF. - */ - if (VMDQ_P(0) < 32) { - bits = IXGBE_READ_REG(hw, IXGBE_VLVFB(reg_ndx * 2)); - bits &= ~(1 << VMDQ_P(0)); - bits |= IXGBE_READ_REG(hw, - IXGBE_VLVFB(reg_ndx * 2) + 1); - } else { - bits = IXGBE_READ_REG(hw, - IXGBE_VLVFB(reg_ndx * 2) + 1); - bits &= ~(1 << (VMDQ_P(0) - 32)); - bits |= IXGBE_READ_REG(hw, IXGBE_VLVFB(reg_ndx * 2)); - } + if (adapter->vfinfo[vf].spoofchk_enabled) + hw->mac.ops.set_vlan_anti_spoofing(hw, true, vf); - /* If the filter was removed then ensure PF pool bit - * is cleared if the PF only added itself to the pool - * because the PF is in promiscuous mode. - */ - if ((vlvf & VLAN_VID_MASK) == vid && - !test_bit(vid, adapter->active_vlans) && !bits) - ixgbe_set_vf_vlan(adapter, add, vid, VMDQ_P(0)); - } + if (add) + adapter->vfinfo[vf].vlan_count++; + else if (adapter->vfinfo[vf].vlan_count) + adapter->vfinfo[vf].vlan_count--; - return err; + return 0; } static int ixgbe_set_vf_macvlan_msg(struct ixgbe_adapter *adapter, @@ -1239,6 +1313,9 @@ static int ixgbe_enable_port_vlan(struct ixgbe_adapter *adapter, int vf, if (err) goto out; + /* Revoke tagless access via VLAN 0 */ + ixgbe_set_vf_vlan(adapter, false, 0, vf); + ixgbe_set_vmvir(adapter, vlan, qos, vf); ixgbe_set_vmolr(hw, vf, false); if (adapter->vfinfo[vf].spoofchk_enabled) @@ -1272,6 +1349,8 @@ static int ixgbe_disable_port_vlan(struct ixgbe_adapter *adapter, int vf) err = ixgbe_set_vf_vlan(adapter, false, adapter->vfinfo[vf].pf_vlan, vf); + /* Restore tagless access via VLAN 0 */ + ixgbe_set_vf_vlan(adapter, true, 0, vf); ixgbe_clear_vmvir(adapter, vf); ixgbe_set_vmolr(hw, vf, true); hw->mac.ops.set_vlan_anti_spoofing(hw, false, vf); diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_type.h b/drivers/net/ethernet/intel/ixgbe/ixgbe_type.h index 995f03107..bf7367a08 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_type.h +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_type.h @@ -1020,6 +1020,7 @@ struct ixgbe_thermal_sensor_data { #define IXGBE_TXSTMPH 0x08C08 /* Tx timestamp value High - RO */ #define IXGBE_SYSTIML 0x08C0C /* System time register Low - RO */ #define IXGBE_SYSTIMH 0x08C10 /* System time register High - RO */ +#define IXGBE_SYSTIMR 0x08C58 /* System time register Residue - RO */ #define IXGBE_TIMINCA 0x08C14 /* Increment attributes register - RW */ #define IXGBE_TIMADJL 0x08C18 /* Time Adjustment Offset register Low - RW */ #define IXGBE_TIMADJH 0x08C1C /* Time Adjustment Offset register High - RW */ @@ -1036,6 +1037,7 @@ struct ixgbe_thermal_sensor_data { #define IXGBE_AUXSTMPH0 0x08C40 /* Auxiliary Time Stamp 0 register High - RO */ #define IXGBE_AUXSTMPL1 0x08C44 /* Auxiliary Time Stamp 1 register Low - RO */ #define IXGBE_AUXSTMPH1 0x08C48 /* Auxiliary Time Stamp 1 register High - RO */ +#define IXGBE_TSIM 0x08C68 /* TimeSync Interrupt Mask Register - RW */ /* Diagnostic Registers */ #define IXGBE_RDSTATCTL 0x02C20 @@ -1345,7 +1347,10 @@ struct ixgbe_thermal_sensor_data { #define IXGBE_MDIO_GLOBAL_INT_CHIP_VEN_MASK 0xFF01 /* int chip-wide mask */ #define IXGBE_MDIO_GLOBAL_INT_CHIP_VEN_FLAG 0xFC01 /* int chip-wide mask */ #define IXGBE_MDIO_GLOBAL_ALARM_1 0xCC00 /* Global alarm 1 */ +#define IXGBE_MDIO_GLOBAL_ALM_1_DEV_FAULT 0x0010 /* device fault */ #define IXGBE_MDIO_GLOBAL_ALM_1_HI_TMP_FAIL 0x4000 /* high temp failure */ +#define IXGBE_MDIO_GLOBAL_FAULT_MSG 0xC850 /* global fault msg */ +#define IXGBE_MDIO_GLOBAL_FAULT_MSG_HI_TMP 0x8007 /* high temp failure */ #define IXGBE_MDIO_GLOBAL_INT_MASK 0xD400 /* Global int mask */ /* autoneg vendor alarm int enable */ #define IXGBE_MDIO_GLOBAL_AN_VEN_ALM_INT_EN 0x1000 @@ -1353,6 +1358,7 @@ struct ixgbe_thermal_sensor_data { #define IXGBE_MDIO_GLOBAL_VEN_ALM_INT_EN 0x1 /* vendor alarm int enable */ #define IXGBE_MDIO_GLOBAL_STD_ALM2_INT 0x200 /* vendor alarm2 int mask */ #define IXGBE_MDIO_GLOBAL_INT_HI_TEMP_EN 0x4000 /* int high temp enable */ +#define IXGBE_MDIO_GLOBAL_INT_DEV_FAULT_EN 0x0010 /*int dev fault enable */ #define IXGBE_MDIO_PMA_PMD_SDA_SCL_ADDR 0xC30A /* PHY_XS SDA/SCL Addr Reg */ #define IXGBE_MDIO_PMA_PMD_SDA_SCL_DATA 0xC30B /* PHY_XS SDA/SCL Data Reg */ @@ -2209,6 +2215,7 @@ enum { #define IXGBE_TSAUXC_EN_CLK 0x00000004 #define IXGBE_TSAUXC_SYNCLK 0x00000008 #define IXGBE_TSAUXC_SDP0_INT 0x00000040 +#define IXGBE_TSAUXC_DISABLE_SYSTIME 0x80000000 #define IXGBE_TSYNCTXCTL_VALID 0x00000001 /* Tx timestamp valid */ #define IXGBE_TSYNCTXCTL_ENABLED 0x00000010 /* Tx timestamping enabled */ @@ -2218,8 +2225,12 @@ enum { #define IXGBE_TSYNCRXCTL_TYPE_L2_V2 0x00 #define IXGBE_TSYNCRXCTL_TYPE_L4_V1 0x02 #define IXGBE_TSYNCRXCTL_TYPE_L2_L4_V2 0x04 +#define IXGBE_TSYNCRXCTL_TYPE_ALL 0x08 #define IXGBE_TSYNCRXCTL_TYPE_EVENT_V2 0x0A #define IXGBE_TSYNCRXCTL_ENABLED 0x00000010 /* Rx Timestamping enabled */ +#define IXGBE_TSYNCRXCTL_TSIP_UT_EN 0x00800000 /* Rx Timestamp in Packet */ + +#define IXGBE_TSIM_TXTS 0x00000002 #define IXGBE_RXMTRL_V1_CTRLT_MASK 0x000000FF #define IXGBE_RXMTRL_V1_SYNC_MSG 0x00 @@ -2332,6 +2343,7 @@ enum { #define IXGBE_RXD_STAT_UDPV 0x400 /* Valid UDP checksum */ #define IXGBE_RXD_STAT_DYNINT 0x800 /* Pkt caused INT via DYNINT */ #define IXGBE_RXD_STAT_LLINT 0x800 /* Pkt caused Low Latency Interrupt */ +#define IXGBE_RXD_STAT_TSIP 0x08000 /* Time Stamp in packet buffer */ #define IXGBE_RXD_STAT_TS 0x10000 /* Time Stamp */ #define IXGBE_RXD_STAT_SECP 0x20000 /* Security Processing */ #define IXGBE_RXD_STAT_LB 0x40000 /* Loopback Status */ @@ -2768,6 +2780,7 @@ struct ixgbe_adv_tx_context_desc { #define IXGBE_ADVTXD_TUCMD_L4T_UDP 0x00000000 /* L4 Packet TYPE of UDP */ #define IXGBE_ADVTXD_TUCMD_L4T_TCP 0x00000800 /* L4 Packet TYPE of TCP */ #define IXGBE_ADVTXD_TUCMD_L4T_SCTP 0x00001000 /* L4 Packet TYPE of SCTP */ +#define IXGBE_ADVTXD_TUCMD_L4T_RSV 0x00001800 /* RSV L4 Packet TYPE */ #define IXGBE_ADVTXD_TUCMD_MKRREQ 0x00002000 /*Req requires Markers and CRC*/ #define IXGBE_ADVTXD_POPTS_IPSEC 0x00000400 /* IPSec offload request */ #define IXGBE_ADVTXD_TUCMD_IPSEC_TYPE_ESP 0x00002000 /* IPSec Type ESP */ @@ -3288,7 +3301,7 @@ struct ixgbe_mac_operations { s32 (*enable_mc)(struct ixgbe_hw *); s32 (*disable_mc)(struct ixgbe_hw *); s32 (*clear_vfta)(struct ixgbe_hw *); - s32 (*set_vfta)(struct ixgbe_hw *, u32, u32, bool); + s32 (*set_vfta)(struct ixgbe_hw *, u32, u32, bool, bool); s32 (*init_uta_tables)(struct ixgbe_hw *); void (*set_mac_anti_spoofing)(struct ixgbe_hw *, bool, int); void (*set_vlan_anti_spoofing)(struct ixgbe_hw *, bool, int); @@ -3508,7 +3521,7 @@ struct ixgbe_info { #define IXGBE_FUSES0_GROUP(_i) (0x11158 + ((_i) * 4)) #define IXGBE_FUSES0_300MHZ BIT(5) -#define IXGBE_FUSES0_REV1 BIT(6) +#define IXGBE_FUSES0_REV_MASK (3 << 6) #define IXGBE_KRM_PORT_CAR_GEN_CTRL(P) ((P) ? 0x8010 : 0x4010) #define IXGBE_KRM_LINK_CTRL_1(P) ((P) ? 0x820C : 0x420C) diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_x540.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_x540.c index c1d4584f6..2358c1b7d 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_x540.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_x540.c @@ -57,8 +57,7 @@ s32 ixgbe_get_invariants_X540(struct ixgbe_hw *hw) struct ixgbe_phy_info *phy = &hw->phy; /* set_phy_power was set by default to NULL */ - if (!ixgbe_mng_present(hw)) - phy->ops.set_phy_power = ixgbe_set_copper_phy_power; + phy->ops.set_phy_power = ixgbe_set_copper_phy_power; mac->mcft_size = IXGBE_X540_MC_TBL_SIZE; mac->vft_size = IXGBE_X540_VFT_TBL_SIZE; @@ -110,13 +109,14 @@ mac_reset_top: ctrl |= IXGBE_READ_REG(hw, IXGBE_CTRL); IXGBE_WRITE_REG(hw, IXGBE_CTRL, ctrl); IXGBE_WRITE_FLUSH(hw); + usleep_range(1000, 1200); /* Poll for reset bit to self-clear indicating reset is complete */ for (i = 0; i < 10; i++) { - udelay(1); ctrl = IXGBE_READ_REG(hw, IXGBE_CTRL); if (!(ctrl & IXGBE_CTRL_RST_MASK)) break; + udelay(1); } if (ctrl & IXGBE_CTRL_RST_MASK) { @@ -154,12 +154,16 @@ mac_reset_top: /* Add the SAN MAC address to the RAR only if it's a valid address */ if (is_valid_ether_addr(hw->mac.san_addr)) { - hw->mac.ops.set_rar(hw, hw->mac.num_rar_entries - 1, - hw->mac.san_addr, 0, IXGBE_RAH_AV); - /* Save the SAN MAC RAR index */ hw->mac.san_mac_rar_index = hw->mac.num_rar_entries - 1; + hw->mac.ops.set_rar(hw, hw->mac.san_mac_rar_index, + hw->mac.san_addr, 0, IXGBE_RAH_AV); + + /* clear VMDq pool/queue selection for this RAR */ + hw->mac.ops.clear_vmdq(hw, hw->mac.san_mac_rar_index, + IXGBE_CLEAR_VMDQ_ALL); + /* Reserve the last RAR for the SAN MAC address */ hw->mac.num_rar_entries--; } diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c index ebe0ac950..87aca3f7c 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c @@ -26,6 +26,8 @@ #include "ixgbe_common.h" #include "ixgbe_phy.h" +static s32 ixgbe_setup_kr_speed_x550em(struct ixgbe_hw *, ixgbe_link_speed); + static s32 ixgbe_get_invariants_X550_x(struct ixgbe_hw *hw) { struct ixgbe_mac_info *mac = &hw->mac; @@ -85,79 +87,6 @@ static s32 ixgbe_write_cs4227(struct ixgbe_hw *hw, u16 reg, u16 value) } /** - * ixgbe_check_cs4227_reg - Perform diag on a CS4227 register - * @hw: pointer to hardware structure - * @reg: the register to check - * - * Performs a diagnostic on a register in the CS4227 chip. Returns an error - * if it is not operating correctly. - * This function assumes that the caller has acquired the proper semaphore. - */ -static s32 ixgbe_check_cs4227_reg(struct ixgbe_hw *hw, u16 reg) -{ - s32 status; - u32 retry; - u16 reg_val; - - reg_val = (IXGBE_CS4227_EDC_MODE_DIAG << 1) | 1; - status = ixgbe_write_cs4227(hw, reg, reg_val); - if (status) - return status; - for (retry = 0; retry < IXGBE_CS4227_RETRIES; retry++) { - msleep(IXGBE_CS4227_CHECK_DELAY); - reg_val = 0xFFFF; - ixgbe_read_cs4227(hw, reg, ®_val); - if (!reg_val) - break; - } - if (reg_val) { - hw_err(hw, "CS4227 reg 0x%04X failed diagnostic\n", reg); - return status; - } - - return 0; -} - -/** - * ixgbe_get_cs4227_status - Return CS4227 status - * @hw: pointer to hardware structure - * - * Performs a diagnostic on the CS4227 chip. Returns an error if it is - * not operating correctly. - * This function assumes that the caller has acquired the proper semaphore. - */ -static s32 ixgbe_get_cs4227_status(struct ixgbe_hw *hw) -{ - s32 status; - u16 value = 0; - - /* Exit if the diagnostic has already been performed. */ - status = ixgbe_read_cs4227(hw, IXGBE_CS4227_SCRATCH, &value); - if (status) - return status; - if (value == IXGBE_CS4227_RESET_COMPLETE) - return 0; - - /* Check port 0. */ - status = ixgbe_check_cs4227_reg(hw, IXGBE_CS4227_LINE_SPARE24_LSB); - if (status) - return status; - - status = ixgbe_check_cs4227_reg(hw, IXGBE_CS4227_HOST_SPARE24_LSB); - if (status) - return status; - - /* Check port 1. */ - status = ixgbe_check_cs4227_reg(hw, IXGBE_CS4227_LINE_SPARE24_LSB + - (1 << 12)); - if (status) - return status; - - return ixgbe_check_cs4227_reg(hw, IXGBE_CS4227_HOST_SPARE24_LSB + - (1 << 12)); -} - -/** * ixgbe_read_pe - Read register from port expander * @hw: pointer to hardware structure * @reg: register number to read @@ -326,13 +255,6 @@ static void ixgbe_check_cs4227(struct ixgbe_hw *hw) return; } - /* Is the CS4227 working correctly? */ - status = ixgbe_get_cs4227_status(hw); - if (status) { - hw_err(hw, "CS4227 status failed: %d", status); - goto out; - } - /* Record completion for next time. */ status = ixgbe_write_cs4227(hw, IXGBE_CS4227_SCRATCH, IXGBE_CS4227_RESET_COMPLETE); @@ -1257,31 +1179,71 @@ ixgbe_setup_mac_link_sfp_x550em(struct ixgbe_hw *hw, if (status) return status; - /* Configure CS4227 LINE side to 10G SR. */ - slice = IXGBE_CS4227_LINE_SPARE22_MSB + (hw->bus.lan_id << 12); - value = IXGBE_CS4227_SPEED_10G; - status = ixgbe_write_i2c_combined_generic(hw, IXGBE_CS4227, slice, - value); - - /* Configure CS4227 for HOST connection rate then type. */ - slice = IXGBE_CS4227_HOST_SPARE22_MSB + (hw->bus.lan_id << 12); - value = speed & IXGBE_LINK_SPEED_10GB_FULL ? - IXGBE_CS4227_SPEED_10G : IXGBE_CS4227_SPEED_1G; - status = ixgbe_write_i2c_combined_generic(hw, IXGBE_CS4227, slice, - value); + if (!(hw->phy.nw_mng_if_sel & IXGBE_NW_MNG_IF_SEL_INT_PHY_MODE)) { + /* Configure CS4227 LINE side to 10G SR. */ + slice = IXGBE_CS4227_LINE_SPARE22_MSB + (hw->bus.lan_id << 12); + value = IXGBE_CS4227_SPEED_10G; + status = ixgbe_write_i2c_combined_generic(hw, IXGBE_CS4227, + slice, value); + if (status) + goto i2c_err; - slice = IXGBE_CS4227_HOST_SPARE24_LSB + (hw->bus.lan_id << 12); - if (setup_linear) - value = (IXGBE_CS4227_EDC_MODE_CX1 << 1) | 1; - else + slice = IXGBE_CS4227_LINE_SPARE24_LSB + (hw->bus.lan_id << 12); value = (IXGBE_CS4227_EDC_MODE_SR << 1) | 1; - status = ixgbe_write_i2c_combined_generic(hw, IXGBE_CS4227, slice, - value); + status = ixgbe_write_i2c_combined_generic(hw, IXGBE_CS4227, + slice, value); + if (status) + goto i2c_err; + + /* Configure CS4227 for HOST connection rate then type. */ + slice = IXGBE_CS4227_HOST_SPARE22_MSB + (hw->bus.lan_id << 12); + value = speed & IXGBE_LINK_SPEED_10GB_FULL ? + IXGBE_CS4227_SPEED_10G : IXGBE_CS4227_SPEED_1G; + status = ixgbe_write_i2c_combined_generic(hw, IXGBE_CS4227, + slice, value); + if (status) + goto i2c_err; - /* If internal link mode is XFI, then setup XFI internal link. */ - if (!(hw->phy.nw_mng_if_sel & IXGBE_NW_MNG_IF_SEL_INT_PHY_MODE)) + slice = IXGBE_CS4227_HOST_SPARE24_LSB + (hw->bus.lan_id << 12); + if (setup_linear) + value = (IXGBE_CS4227_EDC_MODE_CX1 << 1) | 1; + else + value = (IXGBE_CS4227_EDC_MODE_SR << 1) | 1; + status = ixgbe_write_i2c_combined_generic(hw, IXGBE_CS4227, + slice, value); + if (status) + goto i2c_err; + + /* Setup XFI internal link. */ status = ixgbe_setup_ixfi_x550em(hw, &speed); + if (status) { + hw_dbg(hw, "setup_ixfi failed with %d\n", status); + return status; + } + } else { + /* Configure internal PHY for KR/KX. */ + status = ixgbe_setup_kr_speed_x550em(hw, speed); + if (status) { + hw_dbg(hw, "setup_kr_speed failed with %d\n", status); + return status; + } + /* Configure CS4227 LINE side to proper mode. */ + slice = IXGBE_CS4227_LINE_SPARE24_LSB + (hw->bus.lan_id << 12); + if (setup_linear) + value = (IXGBE_CS4227_EDC_MODE_CX1 << 1) | 1; + else + value = (IXGBE_CS4227_EDC_MODE_SR << 1) | 1; + status = ixgbe_write_i2c_combined_generic(hw, IXGBE_CS4227, + slice, value); + if (status) + goto i2c_err; + } + + return 0; + +i2c_err: + hw_dbg(hw, "combined i2c access failed with %d\n", status); return status; } @@ -1482,7 +1444,7 @@ static s32 ixgbe_get_lasi_ext_t_x550em(struct ixgbe_hw *hw, bool *lsc) IXGBE_MDIO_GLOBAL_ALARM_1_INT))) return status; - /* High temperature failure alarm triggered */ + /* Global alarm triggered */ status = hw->phy.ops.read_reg(hw, IXGBE_MDIO_GLOBAL_ALARM_1, IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE, ®); @@ -1496,6 +1458,21 @@ static s32 ixgbe_get_lasi_ext_t_x550em(struct ixgbe_hw *hw, bool *lsc) ixgbe_set_copper_phy_power(hw, false); return IXGBE_ERR_OVERTEMP; } + if (reg & IXGBE_MDIO_GLOBAL_ALM_1_DEV_FAULT) { + /* device fault alarm triggered */ + status = hw->phy.ops.read_reg(hw, IXGBE_MDIO_GLOBAL_FAULT_MSG, + IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE, + ®); + if (status) + return status; + + /* if device fault was due to high temp alarm handle and exit */ + if (reg == IXGBE_MDIO_GLOBAL_FAULT_MSG_HI_TMP) { + /* power down the PHY in case the PHY FW didn't */ + ixgbe_set_copper_phy_power(hw, false); + return IXGBE_ERR_OVERTEMP; + } + } /* Vendor alarm 2 triggered */ status = hw->phy.ops.read_reg(hw, IXGBE_MDIO_GLOBAL_CHIP_STD_INT_FLAG, @@ -1549,14 +1526,15 @@ static s32 ixgbe_enable_lasi_ext_t_x550em(struct ixgbe_hw *hw) if (status) return status; - /* Enables high temperature failure alarm */ + /* Enable high temperature failure and global fault alarms */ status = hw->phy.ops.read_reg(hw, IXGBE_MDIO_GLOBAL_INT_MASK, IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE, ®); if (status) return status; - reg |= IXGBE_MDIO_GLOBAL_INT_HI_TEMP_EN; + reg |= (IXGBE_MDIO_GLOBAL_INT_HI_TEMP_EN | + IXGBE_MDIO_GLOBAL_INT_DEV_FAULT_EN); status = hw->phy.ops.write_reg(hw, IXGBE_MDIO_GLOBAL_INT_MASK, IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE, @@ -1765,6 +1743,12 @@ static s32 ixgbe_setup_internal_phy_t_x550em(struct ixgbe_hw *hw) if (hw->mac.ops.get_media_type(hw) != ixgbe_media_type_copper) return IXGBE_ERR_CONFIG; + if (hw->phy.nw_mng_if_sel & IXGBE_NW_MNG_IF_SEL_INT_PHY_MODE) { + speed = IXGBE_LINK_SPEED_10GB_FULL | + IXGBE_LINK_SPEED_1GB_FULL; + return ixgbe_setup_kr_speed_x550em(hw, speed); + } + /* If link is not up, then there is no setup necessary so return */ status = ixgbe_ext_phy_t_x550em_get_link(hw, &link_up); if (status) @@ -1873,10 +1857,6 @@ static s32 ixgbe_enter_lplu_t_x550em(struct ixgbe_hw *hw) u32 save_autoneg; bool link_up; - /* SW LPLU not required on later HW revisions. */ - if (IXGBE_FUSES0_REV1 & IXGBE_READ_REG(hw, IXGBE_FUSES0_GROUP(0))) - return 0; - /* If blocked by MNG FW, then don't restart AN */ if (ixgbe_check_reset_blocked(hw)) return 0; @@ -1969,7 +1949,6 @@ static s32 ixgbe_enter_lplu_t_x550em(struct ixgbe_hw *hw) static s32 ixgbe_init_phy_ops_X550em(struct ixgbe_hw *hw) { struct ixgbe_phy_info *phy = &hw->phy; - ixgbe_link_speed speed; s32 ret_val; hw->mac.ops.set_lan_id(hw); @@ -1982,13 +1961,6 @@ static s32 ixgbe_init_phy_ops_X550em(struct ixgbe_hw *hw) * to determine internal PHY mode. */ phy->nw_mng_if_sel = IXGBE_READ_REG(hw, IXGBE_NW_MNG_IF_SEL); - - /* If internal PHY mode is KR, then initialize KR link */ - if (phy->nw_mng_if_sel & IXGBE_NW_MNG_IF_SEL_INT_PHY_MODE) { - speed = IXGBE_LINK_SPEED_10GB_FULL | - IXGBE_LINK_SPEED_1GB_FULL; - ret_val = ixgbe_setup_kr_speed_x550em(hw, speed); - } } /* Identify the PHY or SFP module */ @@ -2020,18 +1992,13 @@ static s32 ixgbe_init_phy_ops_X550em(struct ixgbe_hw *hw) /* If internal link mode is XFI, then setup iXFI internal link, * else setup KR now. */ - if (!(phy->nw_mng_if_sel & IXGBE_NW_MNG_IF_SEL_INT_PHY_MODE)) { - phy->ops.setup_internal_link = - ixgbe_setup_internal_phy_t_x550em; - } else { - speed = IXGBE_LINK_SPEED_10GB_FULL | - IXGBE_LINK_SPEED_1GB_FULL; - ret_val = ixgbe_setup_kr_speed_x550em(hw, speed); - } + phy->ops.setup_internal_link = + ixgbe_setup_internal_phy_t_x550em; /* setup SW LPLU only for first revision */ - if (!(IXGBE_FUSES0_REV1 & IXGBE_READ_REG(hw, - IXGBE_FUSES0_GROUP(0)))) + if (hw->mac.type == ixgbe_mac_X550EM_x && + !(IXGBE_READ_REG(hw, IXGBE_FUSES0_GROUP(0)) & + IXGBE_FUSES0_REV_MASK)) phy->ops.enter_lplu = ixgbe_enter_lplu_t_x550em; phy->ops.handle_lasi = ixgbe_handle_lasi_ext_t_x550em; @@ -2176,13 +2143,14 @@ mac_reset_top: ctrl |= IXGBE_READ_REG(hw, IXGBE_CTRL); IXGBE_WRITE_REG(hw, IXGBE_CTRL, ctrl); IXGBE_WRITE_FLUSH(hw); + usleep_range(1000, 1200); /* Poll for reset bit to self-clear meaning reset is complete */ for (i = 0; i < 10; i++) { - udelay(1); ctrl = IXGBE_READ_REG(hw, IXGBE_CTRL); if (!(ctrl & IXGBE_CTRL_RST_MASK)) break; + udelay(1); } if (ctrl & IXGBE_CTRL_RST_MASK) { |