diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c index 420766e28ec6fef614bff934b2751bfccb2c8900..d641c04cde5d8737bf1e5ac29d05180e53ed3db7 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c @@ -255,8 +255,11 @@ void ixgbe_disable_sriov(struct ixgbe_adapter *adapter) } static int ixgbe_set_vf_multicasts(struct ixgbe_adapter *adapter, - int entries, u16 *hash_list, u32 vf) + u32 *msgbuf, u32 vf) { + int entries = (msgbuf[0] & IXGBE_VT_MSGINFO_MASK) + >> IXGBE_VT_MSGINFO_SHIFT; + u16 *hash_list = (u16 *)&msgbuf[1]; struct vf_data_storage *vfinfo = &adapter->vfinfo[vf]; struct ixgbe_hw *hw = &adapter->hw; int i; @@ -557,20 +560,31 @@ int ixgbe_vf_configuration(struct pci_dev *pdev, unsigned int event_mask) return 0; } -static inline void ixgbe_vf_reset_msg(struct ixgbe_adapter *adapter, u32 vf) +static int ixgbe_vf_reset_msg(struct ixgbe_adapter *adapter, u32 vf) { struct ixgbe_hw *hw = &adapter->hw; - u32 reg; + unsigned char *vf_mac = adapter->vfinfo[vf].vf_mac_addresses; + u32 reg, msgbuf[4]; u32 reg_offset, vf_shift; + u8 *addr = (u8 *)(&msgbuf[1]); + + e_info(probe, "VF Reset msg received from vf %d\n", vf); + + /* reset the filters for the device */ + ixgbe_vf_reset_event(adapter, vf); + + /* set vf mac address */ + ixgbe_set_vf_mac(adapter, vf, vf_mac); vf_shift = vf % 32; reg_offset = vf / 32; - /* enable transmit and receive for vf */ + /* enable transmit for vf */ reg = IXGBE_READ_REG(hw, IXGBE_VFTE(reg_offset)); reg |= 1 << vf_shift; IXGBE_WRITE_REG(hw, IXGBE_VFTE(reg_offset), reg); + /* enable receive for vf */ reg = IXGBE_READ_REG(hw, IXGBE_VFRE(reg_offset)); reg |= 1 << vf_shift; /* @@ -592,12 +606,115 @@ static inline void ixgbe_vf_reset_msg(struct ixgbe_adapter *adapter, u32 vf) } IXGBE_WRITE_REG(hw, IXGBE_VFRE(reg_offset), reg); + /* enable VF mailbox for further messages */ + adapter->vfinfo[vf].clear_to_send = true; + /* Enable counting of spoofed packets in the SSVPC register */ reg = IXGBE_READ_REG(hw, IXGBE_VMECM(reg_offset)); reg |= (1 << vf_shift); IXGBE_WRITE_REG(hw, IXGBE_VMECM(reg_offset), reg); - ixgbe_vf_reset_event(adapter, vf); + /* reply to reset with ack and vf mac address */ + msgbuf[0] = IXGBE_VF_RESET | IXGBE_VT_MSGTYPE_ACK; + memcpy(addr, vf_mac, ETH_ALEN); + + /* + * Piggyback the multicast filter type so VF can compute the + * correct vectors + */ + msgbuf[3] = hw->mac.mc_filter_type; + ixgbe_write_mbx(hw, msgbuf, IXGBE_VF_PERMADDR_MSG_LEN, vf); + + return 0; +} + +static int ixgbe_set_vf_mac_addr(struct ixgbe_adapter *adapter, + u32 *msgbuf, u32 vf) +{ + u8 *new_mac = ((u8 *)(&msgbuf[1])); + + if (!is_valid_ether_addr(new_mac)) { + e_warn(drv, "VF %d attempted to set invalid mac\n", vf); + return -1; + } + + if (adapter->vfinfo[vf].pf_set_mac && + memcmp(adapter->vfinfo[vf].vf_mac_addresses, new_mac, + ETH_ALEN)) { + e_warn(drv, + "VF %d attempted to override administratively set MAC address\n" + "Reload the VF driver to resume operations\n", + vf); + return -1; + } + + return ixgbe_set_vf_mac(adapter, vf, new_mac); +} + +static int ixgbe_set_vf_vlan_msg(struct ixgbe_adapter *adapter, + u32 *msgbuf, u32 vf) +{ + 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; + + if (adapter->vfinfo[vf].pf_vlan) { + e_warn(drv, + "VF %d attempted to override administratively set VLAN configuration\n" + "Reload the VF driver to resume operations\n", + vf); + return -1; + } + + if (add) + adapter->vfinfo[vf].vlan_count++; + else if (adapter->vfinfo[vf].vlan_count) + adapter->vfinfo[vf].vlan_count--; + + 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); + + return err; +} + +static int ixgbe_set_vf_macvlan_msg(struct ixgbe_adapter *adapter, + u32 *msgbuf, u32 vf) +{ + u8 *new_mac = ((u8 *)(&msgbuf[1])); + int index = (msgbuf[0] & IXGBE_VT_MSGINFO_MASK) >> + IXGBE_VT_MSGINFO_SHIFT; + int err; + + if (adapter->vfinfo[vf].pf_set_mac && index > 0) { + e_warn(drv, + "VF %d requested MACVLAN filter but is administratively denied\n", + vf); + return -1; + } + + /* An non-zero index indicates the VF is setting a filter */ + if (index) { + if (!is_valid_ether_addr(new_mac)) { + e_warn(drv, "VF %d attempted to set invalid mac\n", vf); + return -1; + } + + /* + * 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); + } + + err = ixgbe_set_vf_macvlan(adapter, vf, index, new_mac); + if (err == -ENOSPC) + e_warn(drv, + "VF %d has requested a MACVLAN filter but there is no space for it\n", + vf); + return err; } static int ixgbe_rcv_msg_from_vf(struct ixgbe_adapter *adapter, u32 vf) @@ -606,10 +723,6 @@ static int ixgbe_rcv_msg_from_vf(struct ixgbe_adapter *adapter, u32 vf) u32 msgbuf[IXGBE_VFMAILBOX_SIZE]; struct ixgbe_hw *hw = &adapter->hw; s32 retval; - int entries; - u16 *hash_list; - int add, vid, index; - u8 *new_mac; retval = ixgbe_read_mbx(hw, msgbuf, mbx_size, vf); @@ -630,33 +743,8 @@ static int ixgbe_rcv_msg_from_vf(struct ixgbe_adapter *adapter, u32 vf) * allowed to start any configuration. */ - if (msgbuf[0] == IXGBE_VF_RESET) { - unsigned char *vf_mac = adapter->vfinfo[vf].vf_mac_addresses; - new_mac = (u8 *)(&msgbuf[1]); - e_info(probe, "VF Reset msg received from vf %d\n", vf); - adapter->vfinfo[vf].clear_to_send = false; - ixgbe_vf_reset_msg(adapter, vf); - adapter->vfinfo[vf].clear_to_send = true; - - if (is_valid_ether_addr(new_mac) && - !adapter->vfinfo[vf].pf_set_mac) - ixgbe_set_vf_mac(adapter, vf, vf_mac); - else - ixgbe_set_vf_mac(adapter, - vf, adapter->vfinfo[vf].vf_mac_addresses); - - /* reply to reset with ack and vf mac address */ - msgbuf[0] = IXGBE_VF_RESET | IXGBE_VT_MSGTYPE_ACK; - memcpy(new_mac, vf_mac, ETH_ALEN); - /* - * Piggyback the multicast filter type so VF can compute the - * correct vectors - */ - msgbuf[3] = hw->mac.mc_filter_type; - ixgbe_write_mbx(hw, msgbuf, IXGBE_VF_PERMADDR_MSG_LEN, vf); - - return retval; - } + if (msgbuf[0] == IXGBE_VF_RESET) + return ixgbe_vf_reset_msg(adapter, vf); if (!adapter->vfinfo[vf].clear_to_send) { msgbuf[0] |= IXGBE_VT_MSGTYPE_NACK; @@ -666,70 +754,19 @@ static int ixgbe_rcv_msg_from_vf(struct ixgbe_adapter *adapter, u32 vf) switch ((msgbuf[0] & 0xFFFF)) { case IXGBE_VF_SET_MAC_ADDR: - new_mac = ((u8 *)(&msgbuf[1])); - if (is_valid_ether_addr(new_mac) && - !adapter->vfinfo[vf].pf_set_mac) { - ixgbe_set_vf_mac(adapter, vf, new_mac); - } else if (memcmp(adapter->vfinfo[vf].vf_mac_addresses, - new_mac, ETH_ALEN)) { - e_warn(drv, "VF %d attempted to override " - "administratively set MAC address\nReload " - "the VF driver to resume operations\n", vf); - retval = -1; - } + retval = ixgbe_set_vf_mac_addr(adapter, msgbuf, vf); break; case IXGBE_VF_SET_MULTICAST: - entries = (msgbuf[0] & IXGBE_VT_MSGINFO_MASK) - >> IXGBE_VT_MSGINFO_SHIFT; - hash_list = (u16 *)&msgbuf[1]; - retval = ixgbe_set_vf_multicasts(adapter, entries, - hash_list, vf); + retval = ixgbe_set_vf_multicasts(adapter, msgbuf, vf); + break; + case IXGBE_VF_SET_VLAN: + retval = ixgbe_set_vf_vlan_msg(adapter, msgbuf, vf); break; case IXGBE_VF_SET_LPE: retval = ixgbe_set_vf_lpe(adapter, msgbuf, vf); break; - case IXGBE_VF_SET_VLAN: - add = (msgbuf[0] & IXGBE_VT_MSGINFO_MASK) - >> IXGBE_VT_MSGINFO_SHIFT; - vid = (msgbuf[1] & IXGBE_VLVF_VLANID_MASK); - if (adapter->vfinfo[vf].pf_vlan) { - e_warn(drv, "VF %d attempted to override " - "administratively set VLAN configuration\n" - "Reload the VF driver to resume operations\n", - vf); - retval = -1; - } else { - if (add) - adapter->vfinfo[vf].vlan_count++; - else if (adapter->vfinfo[vf].vlan_count) - adapter->vfinfo[vf].vlan_count--; - retval = ixgbe_set_vf_vlan(adapter, add, vid, vf); - if (!retval && adapter->vfinfo[vf].spoofchk_enabled) - hw->mac.ops.set_vlan_anti_spoofing(hw, true, vf); - } - break; case IXGBE_VF_SET_MACVLAN: - index = (msgbuf[0] & IXGBE_VT_MSGINFO_MASK) >> - IXGBE_VT_MSGINFO_SHIFT; - if (adapter->vfinfo[vf].pf_set_mac && index > 0) { - e_warn(drv, "VF %d requested MACVLAN filter but is " - "administratively denied\n", vf); - retval = -1; - break; - } - /* - * If the VF is allowed to set MAC filters then turn off - * anti-spoofing to avoid false positives. An index - * greater than 0 will indicate the VF is setting a - * macvlan MAC filter. - */ - if (index > 0 && adapter->vfinfo[vf].spoofchk_enabled) - ixgbe_ndo_set_vf_spoofchk(adapter->netdev, vf, false); - retval = ixgbe_set_vf_macvlan(adapter, vf, index, - (unsigned char *)(&msgbuf[1])); - if (retval == -ENOSPC) - e_warn(drv, "VF %d has requested a MACVLAN filter " - "but there is no space for it\n", vf); + retval = ixgbe_set_vf_macvlan_msg(adapter, msgbuf, vf); break; default: e_err(drv, "Unhandled Msg %8.8x\n", msgbuf[0]);