From 863981e96738983919de841ec669e157e6bdaeb0 Mon Sep 17 00:00:00 2001 From: André Fabian Silva Delgado Date: Sun, 11 Sep 2016 04:34:46 -0300 Subject: Linux-libre 4.7.1-gnu --- drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c | 117 ++++++++++++------------- 1 file changed, 55 insertions(+), 62 deletions(-) (limited to 'drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c') diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c index 8025a3f93..c5caacdd1 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c @@ -406,7 +406,7 @@ static int ixgbe_set_vf_multicasts(struct ixgbe_adapter *adapter, vector_reg = (vfinfo->vf_mc_hashes[i] >> 5) & 0x7F; vector_bit = vfinfo->vf_mc_hashes[i] & 0x1F; mta_reg = IXGBE_READ_REG(hw, IXGBE_MTA(vector_reg)); - mta_reg |= (1 << vector_bit); + mta_reg |= BIT(vector_bit); IXGBE_WRITE_REG(hw, IXGBE_MTA(vector_reg), mta_reg); } vmolr |= IXGBE_VMOLR_ROMPE; @@ -433,7 +433,7 @@ void ixgbe_restore_vf_multicasts(struct ixgbe_adapter *adapter) vector_reg = (vfinfo->vf_mc_hashes[j] >> 5) & 0x7F; vector_bit = vfinfo->vf_mc_hashes[j] & 0x1F; mta_reg = IXGBE_READ_REG(hw, IXGBE_MTA(vector_reg)); - mta_reg |= (1 << vector_bit); + mta_reg |= BIT(vector_bit); IXGBE_WRITE_REG(hw, IXGBE_MTA(vector_reg), mta_reg); } @@ -536,9 +536,9 @@ static s32 ixgbe_set_vf_lpe(struct ixgbe_adapter *adapter, u32 *msgbuf, u32 vf) /* enable or disable receive depending on error */ vfre = IXGBE_READ_REG(hw, IXGBE_VFRE(reg_offset)); if (err) - vfre &= ~(1 << vf_shift); + vfre &= ~BIT(vf_shift); else - vfre |= 1 << vf_shift; + vfre |= BIT(vf_shift); IXGBE_WRITE_REG(hw, IXGBE_VFRE(reg_offset), vfre); if (err) { @@ -589,47 +589,47 @@ static void ixgbe_clear_vmvir(struct ixgbe_adapter *adapter, u32 vf) static void ixgbe_clear_vf_vlans(struct ixgbe_adapter *adapter, u32 vf) { struct ixgbe_hw *hw = &adapter->hw; - u32 i; + u32 vlvfb_mask, pool_mask, i; + + /* create mask for VF and other pools */ + pool_mask = ~BIT(VMDQ_P(0) % 32); + vlvfb_mask = BIT(vf % 32); /* 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); + u32 mask; vlvfb = IXGBE_READ_REG(hw, IXGBE_VLVFB(word)); /* if our bit isn't set we can skip it */ - if (!(vlvfb & mask)) + if (!(vlvfb & vlvfb_mask)) continue; /* clear our bit from vlvfb */ - vlvfb ^= mask; + 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]) + if (bits[(VMDQ_P(0) / 32) ^ 1] || + (bits[VMDQ_P(0) / 32] & pool_mask)) goto update_vlvfb; + /* if PF is present, leave VFTA */ + if (bits[0] || bits[1]) + goto update_vlvf; + /* 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); + mask = BIT(vid % 32); /* clear bit from VFTA */ vfta = IXGBE_READ_REG(hw, IXGBE_VFTA(vid / 32)); @@ -638,6 +638,9 @@ static void ixgbe_clear_vf_vlans(struct ixgbe_adapter *adapter, u32 vf) update_vlvf: /* clear POOL selection enable */ IXGBE_WRITE_REG(hw, IXGBE_VLVF(i), 0); + + if (!(adapter->flags2 & IXGBE_FLAG2_VLAN_PROMISC)) + vlvfb = 0; update_vlvfb: /* clear pool bits */ IXGBE_WRITE_REG(hw, IXGBE_VLVFB(word), vlvfb); @@ -810,7 +813,7 @@ static int ixgbe_vf_reset_msg(struct ixgbe_adapter *adapter, u32 vf) /* enable transmit for vf */ reg = IXGBE_READ_REG(hw, IXGBE_VFTE(reg_offset)); - reg |= 1 << vf_shift; + reg |= BIT(vf_shift); IXGBE_WRITE_REG(hw, IXGBE_VFTE(reg_offset), reg); /* force drop enable for all VF Rx queues */ @@ -818,7 +821,7 @@ static int ixgbe_vf_reset_msg(struct ixgbe_adapter *adapter, u32 vf) /* enable receive for vf */ reg = IXGBE_READ_REG(hw, IXGBE_VFRE(reg_offset)); - reg |= 1 << vf_shift; + reg |= BIT(vf_shift); /* * The 82599 cannot support a mix of jumbo and non-jumbo PF/VFs. * For more info take a look at ixgbe_set_vf_lpe @@ -834,7 +837,7 @@ static int ixgbe_vf_reset_msg(struct ixgbe_adapter *adapter, u32 vf) #endif /* CONFIG_FCOE */ if (pf_max_frame > ETH_FRAME_LEN) - reg &= ~(1 << vf_shift); + reg &= ~BIT(vf_shift); } IXGBE_WRITE_REG(hw, IXGBE_VFRE(reg_offset), reg); @@ -843,7 +846,7 @@ static int ixgbe_vf_reset_msg(struct ixgbe_adapter *adapter, u32 vf) /* Enable counting of spoofed packets in the SSVPC register */ reg = IXGBE_READ_REG(hw, IXGBE_VMECM(reg_offset)); - reg |= (1 << vf_shift); + reg |= BIT(vf_shift); IXGBE_WRITE_REG(hw, IXGBE_VMECM(reg_offset), reg); /* @@ -887,7 +890,7 @@ static int ixgbe_set_vf_mac_addr(struct ixgbe_adapter *adapter, return -1; } - if (adapter->vfinfo[vf].pf_set_mac && + if (adapter->vfinfo[vf].pf_set_mac && !adapter->vfinfo[vf].trusted && !ether_addr_equal(adapter->vfinfo[vf].vf_mac_addresses, new_mac)) { e_warn(drv, "VF %d attempted to override administratively set MAC address\n" @@ -905,8 +908,6 @@ static int ixgbe_set_vf_vlan_msg(struct ixgbe_adapter *adapter, 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 err; if (adapter->vfinfo[vf].pf_vlan || tcs) { e_warn(drv, @@ -920,19 +921,7 @@ static int ixgbe_set_vf_vlan_msg(struct ixgbe_adapter *adapter, if (!vid && !add) return 0; - err = ixgbe_set_vf_vlan(adapter, add, vid, vf); - if (err) - return err; - - if (adapter->vfinfo[vf].spoofchk_enabled) - hw->mac.ops.set_vlan_anti_spoofing(hw, true, vf); - - if (add) - adapter->vfinfo[vf].vlan_count++; - else if (adapter->vfinfo[vf].vlan_count) - adapter->vfinfo[vf].vlan_count--; - - return 0; + return ixgbe_set_vf_vlan(adapter, add, vid, vf); } static int ixgbe_set_vf_macvlan_msg(struct ixgbe_adapter *adapter, @@ -961,8 +950,11 @@ static int ixgbe_set_vf_macvlan_msg(struct ixgbe_adapter *adapter, * If the VF is allowed to set MAC filters then turn off * anti-spoofing to avoid false positives. */ - if (adapter->vfinfo[vf].spoofchk_enabled) - ixgbe_ndo_set_vf_spoofchk(adapter->netdev, vf, false); + if (adapter->vfinfo[vf].spoofchk_enabled) { + struct ixgbe_hw *hw = &adapter->hw; + + hw->mac.ops.set_mac_anti_spoofing(hw, false, vf); + } } err = ixgbe_set_vf_macvlan(adapter, vf, index, new_mac); @@ -1318,9 +1310,6 @@ static int ixgbe_enable_port_vlan(struct ixgbe_adapter *adapter, int vf, ixgbe_set_vmvir(adapter, vlan, qos, vf); ixgbe_set_vmolr(hw, vf, false); - if (adapter->vfinfo[vf].spoofchk_enabled) - hw->mac.ops.set_vlan_anti_spoofing(hw, true, vf); - adapter->vfinfo[vf].vlan_count++; /* enable hide vlan on X550 */ if (hw->mac.type >= ixgbe_mac_X550) @@ -1353,9 +1342,6 @@ static int ixgbe_disable_port_vlan(struct ixgbe_adapter *adapter, int vf) 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); - if (adapter->vfinfo[vf].vlan_count) - adapter->vfinfo[vf].vlan_count--; /* disable hide VLAN on X550 */ if (hw->mac.type >= ixgbe_mac_X550) @@ -1395,7 +1381,7 @@ out: return err; } -static int ixgbe_link_mbps(struct ixgbe_adapter *adapter) +int ixgbe_link_mbps(struct ixgbe_adapter *adapter) { switch (adapter->link_speed) { case IXGBE_LINK_SPEED_100_FULL: @@ -1522,27 +1508,34 @@ int ixgbe_ndo_set_vf_bw(struct net_device *netdev, int vf, int min_tx_rate, int ixgbe_ndo_set_vf_spoofchk(struct net_device *netdev, int vf, bool setting) { struct ixgbe_adapter *adapter = netdev_priv(netdev); - int vf_target_reg = vf >> 3; - int vf_target_shift = vf % 8; struct ixgbe_hw *hw = &adapter->hw; - u32 regval; if (vf >= adapter->num_vfs) return -EINVAL; adapter->vfinfo[vf].spoofchk_enabled = setting; - regval = IXGBE_READ_REG(hw, IXGBE_PFVFSPOOF(vf_target_reg)); - regval &= ~(1 << vf_target_shift); - regval |= (setting << vf_target_shift); - IXGBE_WRITE_REG(hw, IXGBE_PFVFSPOOF(vf_target_reg), regval); - - if (adapter->vfinfo[vf].vlan_count) { - vf_target_shift += IXGBE_SPOOF_VLANAS_SHIFT; - regval = IXGBE_READ_REG(hw, IXGBE_PFVFSPOOF(vf_target_reg)); - regval &= ~(1 << vf_target_shift); - regval |= (setting << vf_target_shift); - IXGBE_WRITE_REG(hw, IXGBE_PFVFSPOOF(vf_target_reg), regval); + /* configure MAC spoofing */ + hw->mac.ops.set_mac_anti_spoofing(hw, setting, vf); + + /* configure VLAN spoofing */ + hw->mac.ops.set_vlan_anti_spoofing(hw, setting, vf); + + /* Ensure LLDP and FC is set for Ethertype Antispoofing if we will be + * calling set_ethertype_anti_spoofing for each VF in loop below + */ + if (hw->mac.ops.set_ethertype_anti_spoofing) { + IXGBE_WRITE_REG(hw, IXGBE_ETQF(IXGBE_ETQF_FILTER_LLDP), + (IXGBE_ETQF_FILTER_EN | + IXGBE_ETQF_TX_ANTISPOOF | + IXGBE_ETH_P_LLDP)); + + IXGBE_WRITE_REG(hw, IXGBE_ETQF(IXGBE_ETQF_FILTER_FC), + (IXGBE_ETQF_FILTER_EN | + IXGBE_ETQF_TX_ANTISPOOF | + ETH_P_PAUSE)); + + hw->mac.ops.set_ethertype_anti_spoofing(hw, setting, vf); } return 0; -- cgit v1.2.3-54-g00ecf