diff options
Diffstat (limited to 'qemu/roms/ipxe/src/drivers/net/igbvf/igbvf_vf.c')
| -rw-r--r-- | qemu/roms/ipxe/src/drivers/net/igbvf/igbvf_vf.c | 455 |
1 files changed, 0 insertions, 455 deletions
diff --git a/qemu/roms/ipxe/src/drivers/net/igbvf/igbvf_vf.c b/qemu/roms/ipxe/src/drivers/net/igbvf/igbvf_vf.c deleted file mode 100644 index f2dac8be7..000000000 --- a/qemu/roms/ipxe/src/drivers/net/igbvf/igbvf_vf.c +++ /dev/null @@ -1,455 +0,0 @@ -/******************************************************************************* - - Intel(R) 82576 Virtual Function Linux driver - Copyright(c) 1999 - 2008 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: - Linux NICS <linux.nics@intel.com> - e1000-devel Mailing List <e1000-devel@lists.sourceforge.net> - Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 - -*******************************************************************************/ - -FILE_LICENCE ( GPL2_ONLY ); - -#include "igbvf_vf.h" - - -static s32 igbvf_init_mac_params_vf(struct e1000_hw *hw); -static s32 igbvf_check_for_link_vf(struct e1000_hw *hw); -static s32 igbvf_get_link_up_info_vf(struct e1000_hw *hw, u16 *speed, - u16 *duplex); -static s32 igbvf_init_hw_vf(struct e1000_hw *hw); -static s32 igbvf_reset_hw_vf(struct e1000_hw *hw); -static void igbvf_update_mc_addr_list_vf(struct e1000_hw *hw, u8 *, u32); -static void igbvf_rar_set_vf(struct e1000_hw *, u8 *, u32); -static s32 igbvf_read_mac_addr_vf(struct e1000_hw *); - -/** - * igbvf_init_mac_params_vf - Inits MAC params - * @hw: pointer to the HW structure - **/ -static s32 igbvf_init_mac_params_vf(struct e1000_hw *hw) -{ - struct e1000_mac_info *mac = &hw->mac; - - DEBUGFUNC("igbvf_init_mac_params_vf"); - - /* VF's have no MTA Registers - PF feature only */ - mac->mta_reg_count = 128; - /* VF's have no access to RAR entries */ - mac->rar_entry_count = 1; - - /* Function pointers */ - /* reset */ - mac->ops.reset_hw = igbvf_reset_hw_vf; - /* hw initialization */ - mac->ops.init_hw = igbvf_init_hw_vf; - /* check for link */ - mac->ops.check_for_link = igbvf_check_for_link_vf; - /* link info */ - mac->ops.get_link_up_info = igbvf_get_link_up_info_vf; - /* multicast address update */ - mac->ops.update_mc_addr_list = igbvf_update_mc_addr_list_vf; - /* set mac address */ - mac->ops.rar_set = igbvf_rar_set_vf; - /* read mac address */ - mac->ops.read_mac_addr = igbvf_read_mac_addr_vf; - - - return E1000_SUCCESS; -} - -/** - * igbvf_init_function_pointers_vf - Inits function pointers - * @hw: pointer to the HW structure - **/ -void igbvf_init_function_pointers_vf(struct e1000_hw *hw) -{ - DEBUGFUNC("igbvf_init_function_pointers_vf"); - - hw->mac.ops.init_params = igbvf_init_mac_params_vf; - hw->mbx.ops.init_params = igbvf_init_mbx_params_vf; -} - -/** - * igbvf_get_link_up_info_vf - Gets link info. - * @hw: pointer to the HW structure - * @speed: pointer to 16 bit value to store link speed. - * @duplex: pointer to 16 bit value to store duplex. - * - * Since we cannot read the PHY and get accurate link info, we must rely upon - * the status register's data which is often stale and inaccurate. - **/ -static s32 igbvf_get_link_up_info_vf(struct e1000_hw *hw, u16 *speed, - u16 *duplex) -{ - s32 status; - - DEBUGFUNC("igbvf_get_link_up_info_vf"); - - status = E1000_READ_REG(hw, E1000_STATUS); - if (status & E1000_STATUS_SPEED_1000) { - *speed = SPEED_1000; - DEBUGOUT("1000 Mbs, "); - } else if (status & E1000_STATUS_SPEED_100) { - *speed = SPEED_100; - DEBUGOUT("100 Mbs, "); - } else { - *speed = SPEED_10; - DEBUGOUT("10 Mbs, "); - } - - if (status & E1000_STATUS_FD) { - *duplex = FULL_DUPLEX; - DEBUGOUT("Full Duplex\n"); - } else { - *duplex = HALF_DUPLEX; - DEBUGOUT("Half Duplex\n"); - } - - return E1000_SUCCESS; -} - -/** - * igbvf_reset_hw_vf - Resets the HW - * @hw: pointer to the HW structure - * - * VF's provide a function level reset. This is done using bit 26 of ctrl_reg. - * This is all the reset we can perform on a VF. - **/ -static s32 igbvf_reset_hw_vf(struct e1000_hw *hw) -{ - struct e1000_mbx_info *mbx = &hw->mbx; - u32 timeout = E1000_VF_INIT_TIMEOUT; - s32 ret_val = -E1000_ERR_MAC_INIT; - u32 ctrl, msgbuf[3]; - u8 *addr = (u8 *)(&msgbuf[1]); - - DEBUGFUNC("igbvf_reset_hw_vf"); - - DEBUGOUT("Issuing a function level reset to MAC\n"); - ctrl = E1000_READ_REG(hw, E1000_CTRL); - E1000_WRITE_REG(hw, E1000_CTRL, ctrl | E1000_CTRL_RST); - - /* we cannot reset while the RSTI / RSTD bits are asserted */ - while (!mbx->ops.check_for_rst(hw, 0) && timeout) { - timeout--; - usec_delay(5); - } - - if (timeout) { - /* mailbox timeout can now become active */ - mbx->timeout = E1000_VF_MBX_INIT_TIMEOUT; - - msgbuf[0] = E1000_VF_RESET; - mbx->ops.write_posted(hw, msgbuf, 1, 0); - - msec_delay(10); - - /* set our "perm_addr" based on info provided by PF */ - ret_val = mbx->ops.read_posted(hw, msgbuf, 3, 0); - if (!ret_val) { - if (msgbuf[0] == (E1000_VF_RESET | - E1000_VT_MSGTYPE_ACK)) - memcpy(hw->mac.perm_addr, addr, 6); - else - ret_val = -E1000_ERR_MAC_INIT; - } - } - - return ret_val; -} - -/** - * igbvf_init_hw_vf - Inits the HW - * @hw: pointer to the HW structure - * - * Not much to do here except clear the PF Reset indication if there is one. - **/ -static s32 igbvf_init_hw_vf(struct e1000_hw *hw) -{ - DEBUGFUNC("igbvf_init_hw_vf"); - - /* attempt to set and restore our mac address */ - igbvf_rar_set_vf(hw, hw->mac.addr, 0); - - return E1000_SUCCESS; -} - -/** - * igbvf_rar_set_vf - set device MAC address - * @hw: pointer to the HW structure - * @addr: pointer to the receive address - * @index receive address array register - **/ -static void igbvf_rar_set_vf(struct e1000_hw *hw, u8 * addr, u32 index __unused) -{ - struct e1000_mbx_info *mbx = &hw->mbx; - u32 msgbuf[3]; - u8 *msg_addr = (u8 *)(&msgbuf[1]); - s32 ret_val; - - memset(msgbuf, 0, 12); - msgbuf[0] = E1000_VF_SET_MAC_ADDR; - memcpy(msg_addr, addr, 6); - ret_val = mbx->ops.write_posted(hw, msgbuf, 3, 0); - - if (!ret_val) - ret_val = mbx->ops.read_posted(hw, msgbuf, 3, 0); - - msgbuf[0] &= ~E1000_VT_MSGTYPE_CTS; - - /* if nacked the address was rejected, use "perm_addr" */ - if (!ret_val && - (msgbuf[0] == (E1000_VF_SET_MAC_ADDR | E1000_VT_MSGTYPE_NACK))) - igbvf_read_mac_addr_vf(hw); -} - -/** - * igbvf_hash_mc_addr_vf - Generate a multicast hash value - * @hw: pointer to the HW structure - * @mc_addr: pointer to a multicast address - * - * Generates a multicast address hash value which is used to determine - * the multicast filter table array address and new table value. See - * igbvf_mta_set_generic() - **/ -static u32 igbvf_hash_mc_addr_vf(struct e1000_hw *hw, u8 *mc_addr) -{ - u32 hash_value, hash_mask; - u8 bit_shift = 0; - - DEBUGFUNC("igbvf_hash_mc_addr_generic"); - - /* Register count multiplied by bits per register */ - hash_mask = (hw->mac.mta_reg_count * 32) - 1; - - /* - * The bit_shift is the number of left-shifts - * where 0xFF would still fall within the hash mask. - */ - while (hash_mask >> bit_shift != 0xFF) - bit_shift++; - - hash_value = hash_mask & (((mc_addr[4] >> (8 - bit_shift)) | - (((u16) mc_addr[5]) << bit_shift))); - - return hash_value; -} - -/** - * igbvf_update_mc_addr_list_vf - Update Multicast addresses - * @hw: pointer to the HW structure - * @mc_addr_list: array of multicast addresses to program - * @mc_addr_count: number of multicast addresses to program - * - * Updates the Multicast Table Array. - * The caller must have a packed mc_addr_list of multicast addresses. - **/ -void igbvf_update_mc_addr_list_vf(struct e1000_hw *hw, - u8 *mc_addr_list, u32 mc_addr_count) -{ - struct e1000_mbx_info *mbx = &hw->mbx; - u32 msgbuf[E1000_VFMAILBOX_SIZE]; - u16 *hash_list = (u16 *)&msgbuf[1]; - u32 hash_value; - u32 i; - - DEBUGFUNC("igbvf_update_mc_addr_list_vf"); - - /* 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. - */ - - DEBUGOUT1("MC Addr Count = %d\n", mc_addr_count); - - msgbuf[0] = E1000_VF_SET_MULTICAST; - - if (mc_addr_count > 30) { - msgbuf[0] |= E1000_VF_SET_MULTICAST_OVERFLOW; - mc_addr_count = 30; - } - - msgbuf[0] |= mc_addr_count << E1000_VT_MSGINFO_SHIFT; - - for (i = 0; i < mc_addr_count; i++) { - hash_value = igbvf_hash_mc_addr_vf(hw, mc_addr_list); - DEBUGOUT1("Hash value = 0x%03X\n", hash_value); - hash_list[i] = hash_value & 0x0FFF; - mc_addr_list += ETH_ADDR_LEN; - } - - mbx->ops.write_posted(hw, msgbuf, E1000_VFMAILBOX_SIZE, 0); -} - -/** - * igbvf_vfta_set_vf - Set/Unset vlan filter table address - * @hw: pointer to the HW structure - * @vid: determines the vfta register and bit to set/unset - * @set: if true then set bit, else clear bit - **/ -void igbvf_vfta_set_vf(struct e1000_hw *hw, u16 vid, bool set) -{ - struct e1000_mbx_info *mbx = &hw->mbx; - u32 msgbuf[2]; - - msgbuf[0] = E1000_VF_SET_VLAN; - msgbuf[1] = vid; - /* Setting the 8 bit field MSG INFO to TRUE indicates "add" */ - if (set) - msgbuf[0] |= E1000_VF_SET_VLAN_ADD; - - mbx->ops.write_posted(hw, msgbuf, 2, 0); -} - -/** igbvf_rlpml_set_vf - Set the maximum receive packet length - * @hw: pointer to the HW structure - * @max_size: value to assign to max frame size - **/ -void igbvf_rlpml_set_vf(struct e1000_hw *hw, u16 max_size) -{ - struct e1000_mbx_info *mbx = &hw->mbx; - u32 msgbuf[2]; - - msgbuf[0] = E1000_VF_SET_LPE; - msgbuf[1] = max_size; - - mbx->ops.write_posted(hw, msgbuf, 2, 0); -} - -/** - * igbvf_promisc_set_vf - Set flags for Unicast or Multicast promisc - * @hw: pointer to the HW structure - * @uni: boolean indicating unicast promisc status - * @multi: boolean indicating multicast promisc status - **/ -s32 igbvf_promisc_set_vf(struct e1000_hw *hw, enum e1000_promisc_type type) -{ - struct e1000_mbx_info *mbx = &hw->mbx; - u32 msgbuf = E1000_VF_SET_PROMISC; - s32 ret_val; - - switch (type) { - case e1000_promisc_multicast: - msgbuf |= E1000_VF_SET_PROMISC_MULTICAST; - break; - case e1000_promisc_enabled: - msgbuf |= E1000_VF_SET_PROMISC_MULTICAST; - case e1000_promisc_unicast: - msgbuf |= E1000_VF_SET_PROMISC_UNICAST; - case e1000_promisc_disabled: - break; - default: - return -E1000_ERR_MAC_INIT; - } - - ret_val = mbx->ops.write_posted(hw, &msgbuf, 1, 0); - - if (!ret_val) - ret_val = mbx->ops.read_posted(hw, &msgbuf, 1, 0); - - if (!ret_val && !(msgbuf & E1000_VT_MSGTYPE_ACK)) - ret_val = -E1000_ERR_MAC_INIT; - - return ret_val; -} - -/** - * igbvf_read_mac_addr_vf - Read device MAC address - * @hw: pointer to the HW structure - **/ -static s32 igbvf_read_mac_addr_vf(struct e1000_hw *hw) -{ - int i; - - for (i = 0; i < ETH_ADDR_LEN; i++) - hw->mac.addr[i] = hw->mac.perm_addr[i]; - - return E1000_SUCCESS; -} - -/** - * igbvf_check_for_link_vf - Check for link for a virtual interface - * @hw: pointer to the HW structure - * - * Checks to see if the underlying PF is still talking to the VF and - * if it is then it reports the link state to the hardware, otherwise - * it reports link down and returns an error. - **/ -static s32 igbvf_check_for_link_vf(struct e1000_hw *hw) -{ - struct e1000_mbx_info *mbx = &hw->mbx; - struct e1000_mac_info *mac = &hw->mac; - s32 ret_val = E1000_SUCCESS; - u32 in_msg = 0; - - DEBUGFUNC("igbvf_check_for_link_vf"); - - /* - * We only want to run this if there has been a rst asserted. - * in this case that could mean a link change, device reset, - * or a virtual function reset - */ - - /* If we were hit with a reset drop the link */ - if (!mbx->ops.check_for_rst(hw, 0)) - mac->get_link_status = true; - - if (!mac->get_link_status) - goto out; - - /* if link status is down no point in checking to see if pf is up */ - if (!(E1000_READ_REG(hw, E1000_STATUS) & E1000_STATUS_LU)) - goto out; - - /* if the read failed it could just be a mailbox collision, best wait - * until we are called again and don't report an error */ - if (mbx->ops.read(hw, &in_msg, 1, 0)) - goto out; - - /* if incoming message isn't clear to send we are waiting on response */ - if (!(in_msg & E1000_VT_MSGTYPE_CTS)) { - /* message is not CTS and is NACK we have lost CTS status */ - if (in_msg & E1000_VT_MSGTYPE_NACK) - ret_val = -E1000_ERR_MAC_INIT; - goto out; - } - - /* at this point we know the PF is talking to us, check and see if - * we are still accepting timeout or if we had a timeout failure. - * if we failed then we will need to reinit */ - if (!mbx->timeout) { - ret_val = -E1000_ERR_MAC_INIT; - goto out; - } - - /* if we passed all the tests above then the link is up and we no - * longer need to check for link */ - mac->get_link_status = false; - -out: - return ret_val; -} - |