diff options
author | Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2011-04-07 07:42:33 -0700 |
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committer | Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2011-08-10 20:03:27 -0700 |
commit | dee1ad47f2ee75f5146d83ca757c1b7861c34c3b (patch) | |
tree | 47cbdefe3d0f9b729724e378ad6a96eaddfd5fbc /drivers/net/ixgbevf/vf.c | |
parent | f7917c009c28c941ba151ee66f04dc7f6a2e1e0b (diff) |
intel: Move the Intel wired LAN drivers
Moves the Intel wired LAN drivers into drivers/net/ethernet/intel/ and
the necessary Kconfig and Makefile changes.
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Diffstat (limited to 'drivers/net/ixgbevf/vf.c')
-rw-r--r-- | drivers/net/ixgbevf/vf.c | 426 |
1 files changed, 0 insertions, 426 deletions
diff --git a/drivers/net/ixgbevf/vf.c b/drivers/net/ixgbevf/vf.c deleted file mode 100644 index aa3682e8c473..000000000000 --- a/drivers/net/ixgbevf/vf.c +++ /dev/null @@ -1,426 +0,0 @@ -/******************************************************************************* - - Intel 82599 Virtual Function driver - Copyright(c) 1999 - 2010 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, - version 2, as published by the Free Software Foundation. - - This program is distributed in the hope it will be useful, but WITHOUT - ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - more details. - - You should have received a copy of the GNU General Public License along with - this program; if not, write to the Free Software Foundation, Inc., - 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. - - The full GNU General Public License is included in this distribution in - the file called "COPYING". - - Contact Information: - e1000-devel Mailing List <e1000-devel@lists.sourceforge.net> - Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 - -*******************************************************************************/ - -#include "vf.h" - -/** - * ixgbevf_start_hw_vf - Prepare hardware for Tx/Rx - * @hw: pointer to hardware structure - * - * Starts the hardware by filling the bus info structure and media type, clears - * all on chip counters, initializes receive address registers, multicast - * table, VLAN filter table, calls routine to set up link and flow control - * settings, and leaves transmit and receive units disabled and uninitialized - **/ -static s32 ixgbevf_start_hw_vf(struct ixgbe_hw *hw) -{ - /* Clear adapter stopped flag */ - hw->adapter_stopped = false; - - return 0; -} - -/** - * ixgbevf_init_hw_vf - virtual function hardware initialization - * @hw: pointer to hardware structure - * - * Initialize the hardware by resetting the hardware and then starting - * the hardware - **/ -static s32 ixgbevf_init_hw_vf(struct ixgbe_hw *hw) -{ - s32 status = hw->mac.ops.start_hw(hw); - - hw->mac.ops.get_mac_addr(hw, hw->mac.addr); - - return status; -} - -/** - * ixgbevf_reset_hw_vf - Performs hardware reset - * @hw: pointer to hardware structure - * - * Resets the hardware by reseting the transmit and receive units, masks and - * clears all interrupts. - **/ -static s32 ixgbevf_reset_hw_vf(struct ixgbe_hw *hw) -{ - struct ixgbe_mbx_info *mbx = &hw->mbx; - u32 timeout = IXGBE_VF_INIT_TIMEOUT; - s32 ret_val = IXGBE_ERR_INVALID_MAC_ADDR; - u32 msgbuf[IXGBE_VF_PERMADDR_MSG_LEN]; - u8 *addr = (u8 *)(&msgbuf[1]); - - /* Call adapter stop to disable tx/rx and clear interrupts */ - hw->mac.ops.stop_adapter(hw); - - IXGBE_WRITE_REG(hw, IXGBE_VFCTRL, IXGBE_CTRL_RST); - IXGBE_WRITE_FLUSH(hw); - - /* we cannot reset while the RSTI / RSTD bits are asserted */ - while (!mbx->ops.check_for_rst(hw) && timeout) { - timeout--; - udelay(5); - } - - if (!timeout) - return IXGBE_ERR_RESET_FAILED; - - /* mailbox timeout can now become active */ - mbx->timeout = IXGBE_VF_MBX_INIT_TIMEOUT; - - msgbuf[0] = IXGBE_VF_RESET; - mbx->ops.write_posted(hw, msgbuf, 1); - - msleep(10); - - /* set our "perm_addr" based on info provided by PF */ - /* also set up the mc_filter_type which is piggy backed - * on the mac address in word 3 */ - ret_val = mbx->ops.read_posted(hw, msgbuf, IXGBE_VF_PERMADDR_MSG_LEN); - if (ret_val) - return ret_val; - - if (msgbuf[0] != (IXGBE_VF_RESET | IXGBE_VT_MSGTYPE_ACK)) - return IXGBE_ERR_INVALID_MAC_ADDR; - - memcpy(hw->mac.perm_addr, addr, IXGBE_ETH_LENGTH_OF_ADDRESS); - hw->mac.mc_filter_type = msgbuf[IXGBE_VF_MC_TYPE_WORD]; - - return 0; -} - -/** - * ixgbevf_stop_hw_vf - Generic stop Tx/Rx units - * @hw: pointer to hardware structure - * - * Sets the adapter_stopped flag within ixgbe_hw struct. Clears interrupts, - * disables transmit and receive units. The adapter_stopped flag is used by - * the shared code and drivers to determine if the adapter is in a stopped - * state and should not touch the hardware. - **/ -static s32 ixgbevf_stop_hw_vf(struct ixgbe_hw *hw) -{ - u32 number_of_queues; - u32 reg_val; - u16 i; - - /* - * Set the adapter_stopped flag so other driver functions stop touching - * the hardware - */ - hw->adapter_stopped = true; - - /* Disable the receive unit by stopped each queue */ - number_of_queues = hw->mac.max_rx_queues; - for (i = 0; i < number_of_queues; i++) { - reg_val = IXGBE_READ_REG(hw, IXGBE_VFRXDCTL(i)); - if (reg_val & IXGBE_RXDCTL_ENABLE) { - reg_val &= ~IXGBE_RXDCTL_ENABLE; - IXGBE_WRITE_REG(hw, IXGBE_VFRXDCTL(i), reg_val); - } - } - - IXGBE_WRITE_FLUSH(hw); - - /* Clear interrupt mask to stop from interrupts being generated */ - IXGBE_WRITE_REG(hw, IXGBE_VTEIMC, IXGBE_VF_IRQ_CLEAR_MASK); - - /* Clear any pending interrupts */ - IXGBE_READ_REG(hw, IXGBE_VTEICR); - - /* Disable the transmit unit. Each queue must be disabled. */ - number_of_queues = hw->mac.max_tx_queues; - for (i = 0; i < number_of_queues; i++) { - reg_val = IXGBE_READ_REG(hw, IXGBE_VFTXDCTL(i)); - if (reg_val & IXGBE_TXDCTL_ENABLE) { - reg_val &= ~IXGBE_TXDCTL_ENABLE; - IXGBE_WRITE_REG(hw, IXGBE_VFTXDCTL(i), reg_val); - } - } - - return 0; -} - -/** - * ixgbevf_mta_vector - Determines bit-vector in multicast table to set - * @hw: pointer to hardware structure - * @mc_addr: the multicast address - * - * Extracts the 12 bits, from a multicast address, to determine which - * bit-vector to set in the multicast table. The hardware uses 12 bits, from - * incoming rx multicast addresses, to determine the bit-vector to check in - * the MTA. Which of the 4 combination, of 12-bits, the hardware uses is set - * by the MO field of the MCSTCTRL. The MO field is set during initialization - * to mc_filter_type. - **/ -static s32 ixgbevf_mta_vector(struct ixgbe_hw *hw, u8 *mc_addr) -{ - u32 vector = 0; - - switch (hw->mac.mc_filter_type) { - case 0: /* use bits [47:36] of the address */ - vector = ((mc_addr[4] >> 4) | (((u16)mc_addr[5]) << 4)); - break; - case 1: /* use bits [46:35] of the address */ - vector = ((mc_addr[4] >> 3) | (((u16)mc_addr[5]) << 5)); - break; - case 2: /* use bits [45:34] of the address */ - vector = ((mc_addr[4] >> 2) | (((u16)mc_addr[5]) << 6)); - break; - case 3: /* use bits [43:32] of the address */ - vector = ((mc_addr[4]) | (((u16)mc_addr[5]) << 8)); - break; - default: /* Invalid mc_filter_type */ - break; - } - - /* vector can only be 12-bits or boundary will be exceeded */ - vector &= 0xFFF; - return vector; -} - -/** - * ixgbevf_get_mac_addr_vf - Read device MAC address - * @hw: pointer to the HW structure - * @mac_addr: pointer to storage for retrieved MAC address - **/ -static s32 ixgbevf_get_mac_addr_vf(struct ixgbe_hw *hw, u8 *mac_addr) -{ - memcpy(mac_addr, hw->mac.perm_addr, IXGBE_ETH_LENGTH_OF_ADDRESS); - - return 0; -} - -static s32 ixgbevf_set_uc_addr_vf(struct ixgbe_hw *hw, u32 index, u8 *addr) -{ - struct ixgbe_mbx_info *mbx = &hw->mbx; - u32 msgbuf[3]; - u8 *msg_addr = (u8 *)(&msgbuf[1]); - s32 ret_val; - - memset(msgbuf, 0, sizeof(msgbuf)); - /* - * If index is one then this is the start of a new list and needs - * indication to the PF so it can do it's own list management. - * If it is zero then that tells the PF to just clear all of - * this VF's macvlans and there is no new list. - */ - msgbuf[0] |= index << IXGBE_VT_MSGINFO_SHIFT; - msgbuf[0] |= IXGBE_VF_SET_MACVLAN; - if (addr) - memcpy(msg_addr, addr, 6); - ret_val = mbx->ops.write_posted(hw, msgbuf, 3); - - if (!ret_val) - ret_val = mbx->ops.read_posted(hw, msgbuf, 3); - - msgbuf[0] &= ~IXGBE_VT_MSGTYPE_CTS; - - if (!ret_val) - if (msgbuf[0] == - (IXGBE_VF_SET_MACVLAN | IXGBE_VT_MSGTYPE_NACK)) - ret_val = -ENOMEM; - - return ret_val; -} - -/** - * ixgbevf_set_rar_vf - set device MAC address - * @hw: pointer to hardware structure - * @index: Receive address register to write - * @addr: Address to put into receive address register - * @vmdq: Unused in this implementation - **/ -static s32 ixgbevf_set_rar_vf(struct ixgbe_hw *hw, u32 index, u8 *addr, - u32 vmdq) -{ - struct ixgbe_mbx_info *mbx = &hw->mbx; - u32 msgbuf[3]; - u8 *msg_addr = (u8 *)(&msgbuf[1]); - s32 ret_val; - - memset(msgbuf, 0, sizeof(msgbuf)); - msgbuf[0] = IXGBE_VF_SET_MAC_ADDR; - memcpy(msg_addr, addr, 6); - ret_val = mbx->ops.write_posted(hw, msgbuf, 3); - - if (!ret_val) - ret_val = mbx->ops.read_posted(hw, msgbuf, 3); - - msgbuf[0] &= ~IXGBE_VT_MSGTYPE_CTS; - - /* if nacked the address was rejected, use "perm_addr" */ - if (!ret_val && - (msgbuf[0] == (IXGBE_VF_SET_MAC_ADDR | IXGBE_VT_MSGTYPE_NACK))) - ixgbevf_get_mac_addr_vf(hw, hw->mac.addr); - - return ret_val; -} - -/** - * ixgbevf_update_mc_addr_list_vf - Update Multicast addresses - * @hw: pointer to the HW structure - * @netdev: pointer to net device structure - * - * Updates the Multicast Table Array. - **/ -static s32 ixgbevf_update_mc_addr_list_vf(struct ixgbe_hw *hw, - struct net_device *netdev) -{ - struct netdev_hw_addr *ha; - struct ixgbe_mbx_info *mbx = &hw->mbx; - u32 msgbuf[IXGBE_VFMAILBOX_SIZE]; - u16 *vector_list = (u16 *)&msgbuf[1]; - u32 cnt, i; - - /* Each entry in the list uses 1 16 bit word. We have 30 - * 16 bit words available in our HW msg buffer (minus 1 for the - * msg type). That's 30 hash values if we pack 'em right. If - * there are more than 30 MC addresses to add then punt the - * extras for now and then add code to handle more than 30 later. - * It would be unusual for a server to request that many multi-cast - * addresses except for in large enterprise network environments. - */ - - cnt = netdev_mc_count(netdev); - if (cnt > 30) - cnt = 30; - msgbuf[0] = IXGBE_VF_SET_MULTICAST; - msgbuf[0] |= cnt << IXGBE_VT_MSGINFO_SHIFT; - - i = 0; - netdev_for_each_mc_addr(ha, netdev) { - if (i == cnt) - break; - vector_list[i++] = ixgbevf_mta_vector(hw, ha->addr); - } - - mbx->ops.write_posted(hw, msgbuf, IXGBE_VFMAILBOX_SIZE); - - return 0; -} - -/** - * ixgbevf_set_vfta_vf - Set/Unset vlan filter table address - * @hw: pointer to the HW structure - * @vlan: 12 bit VLAN ID - * @vind: unused by VF drivers - * @vlan_on: if true then set bit, else clear bit - **/ -static s32 ixgbevf_set_vfta_vf(struct ixgbe_hw *hw, u32 vlan, u32 vind, - bool vlan_on) -{ - struct ixgbe_mbx_info *mbx = &hw->mbx; - u32 msgbuf[2]; - - msgbuf[0] = IXGBE_VF_SET_VLAN; - msgbuf[1] = vlan; - /* Setting the 8 bit field MSG INFO to TRUE indicates "add" */ - msgbuf[0] |= vlan_on << IXGBE_VT_MSGINFO_SHIFT; - - return mbx->ops.write_posted(hw, msgbuf, 2); -} - -/** - * ixgbevf_setup_mac_link_vf - Setup MAC link settings - * @hw: pointer to hardware structure - * @speed: Unused in this implementation - * @autoneg: Unused in this implementation - * @autoneg_wait_to_complete: Unused in this implementation - * - * Do nothing and return success. VF drivers are not allowed to change - * global settings. Maintained for driver compatibility. - **/ -static s32 ixgbevf_setup_mac_link_vf(struct ixgbe_hw *hw, - ixgbe_link_speed speed, bool autoneg, - bool autoneg_wait_to_complete) -{ - return 0; -} - -/** - * ixgbevf_check_mac_link_vf - Get link/speed status - * @hw: pointer to hardware structure - * @speed: pointer to link speed - * @link_up: true is link is up, false otherwise - * @autoneg_wait_to_complete: true when waiting for completion is needed - * - * Reads the links register to determine if link is up and the current speed - **/ -static s32 ixgbevf_check_mac_link_vf(struct ixgbe_hw *hw, - ixgbe_link_speed *speed, - bool *link_up, - bool autoneg_wait_to_complete) -{ - u32 links_reg; - - if (!(hw->mbx.ops.check_for_rst(hw))) { - *link_up = false; - *speed = 0; - return -1; - } - - links_reg = IXGBE_READ_REG(hw, IXGBE_VFLINKS); - - if (links_reg & IXGBE_LINKS_UP) - *link_up = true; - else - *link_up = false; - - if ((links_reg & IXGBE_LINKS_SPEED_82599) == - IXGBE_LINKS_SPEED_10G_82599) - *speed = IXGBE_LINK_SPEED_10GB_FULL; - else - *speed = IXGBE_LINK_SPEED_1GB_FULL; - - return 0; -} - -static struct ixgbe_mac_operations ixgbevf_mac_ops = { - .init_hw = ixgbevf_init_hw_vf, - .reset_hw = ixgbevf_reset_hw_vf, - .start_hw = ixgbevf_start_hw_vf, - .get_mac_addr = ixgbevf_get_mac_addr_vf, - .stop_adapter = ixgbevf_stop_hw_vf, - .setup_link = ixgbevf_setup_mac_link_vf, - .check_link = ixgbevf_check_mac_link_vf, - .set_rar = ixgbevf_set_rar_vf, - .update_mc_addr_list = ixgbevf_update_mc_addr_list_vf, - .set_uc_addr = ixgbevf_set_uc_addr_vf, - .set_vfta = ixgbevf_set_vfta_vf, -}; - -struct ixgbevf_info ixgbevf_82599_vf_info = { - .mac = ixgbe_mac_82599_vf, - .mac_ops = &ixgbevf_mac_ops, -}; - -struct ixgbevf_info ixgbevf_X540_vf_info = { - .mac = ixgbe_mac_X540_vf, - .mac_ops = &ixgbevf_mac_ops, -}; |