diff options
Diffstat (limited to 'src/dpdk_lib18/librte_eal/linuxapp/kni/ethtool/igb/e1000_manage.c')
| -rwxr-xr-x | src/dpdk_lib18/librte_eal/linuxapp/kni/ethtool/igb/e1000_manage.c | 556 |
1 files changed, 0 insertions, 556 deletions
diff --git a/src/dpdk_lib18/librte_eal/linuxapp/kni/ethtool/igb/e1000_manage.c b/src/dpdk_lib18/librte_eal/linuxapp/kni/ethtool/igb/e1000_manage.c deleted file mode 100755 index e1a2abe0..00000000 --- a/src/dpdk_lib18/librte_eal/linuxapp/kni/ethtool/igb/e1000_manage.c +++ /dev/null @@ -1,556 +0,0 @@ -/******************************************************************************* - - Intel(R) Gigabit Ethernet Linux driver - Copyright(c) 2007-2013 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 "e1000_api.h" - -/** - * e1000_calculate_checksum - Calculate checksum for buffer - * @buffer: pointer to EEPROM - * @length: size of EEPROM to calculate a checksum for - * - * Calculates the checksum for some buffer on a specified length. The - * checksum calculated is returned. - **/ -u8 e1000_calculate_checksum(u8 *buffer, u32 length) -{ - u32 i; - u8 sum = 0; - - DEBUGFUNC("e1000_calculate_checksum"); - - if (!buffer) - return 0; - - for (i = 0; i < length; i++) - sum += buffer[i]; - - return (u8) (0 - sum); -} - -/** - * e1000_mng_enable_host_if_generic - Checks host interface is enabled - * @hw: pointer to the HW structure - * - * Returns E1000_success upon success, else E1000_ERR_HOST_INTERFACE_COMMAND - * - * This function checks whether the HOST IF is enabled for command operation - * and also checks whether the previous command is completed. It busy waits - * in case of previous command is not completed. - **/ -s32 e1000_mng_enable_host_if_generic(struct e1000_hw *hw) -{ - u32 hicr; - u8 i; - - DEBUGFUNC("e1000_mng_enable_host_if_generic"); - - if (!hw->mac.arc_subsystem_valid) { - DEBUGOUT("ARC subsystem not valid.\n"); - return -E1000_ERR_HOST_INTERFACE_COMMAND; - } - - /* Check that the host interface is enabled. */ - hicr = E1000_READ_REG(hw, E1000_HICR); - if (!(hicr & E1000_HICR_EN)) { - DEBUGOUT("E1000_HOST_EN bit disabled.\n"); - return -E1000_ERR_HOST_INTERFACE_COMMAND; - } - /* check the previous command is completed */ - for (i = 0; i < E1000_MNG_DHCP_COMMAND_TIMEOUT; i++) { - hicr = E1000_READ_REG(hw, E1000_HICR); - if (!(hicr & E1000_HICR_C)) - break; - msec_delay_irq(1); - } - - if (i == E1000_MNG_DHCP_COMMAND_TIMEOUT) { - DEBUGOUT("Previous command timeout failed .\n"); - return -E1000_ERR_HOST_INTERFACE_COMMAND; - } - - return E1000_SUCCESS; -} - -/** - * e1000_check_mng_mode_generic - Generic check management mode - * @hw: pointer to the HW structure - * - * Reads the firmware semaphore register and returns true (>0) if - * manageability is enabled, else false (0). - **/ -bool e1000_check_mng_mode_generic(struct e1000_hw *hw) -{ - u32 fwsm = E1000_READ_REG(hw, E1000_FWSM); - - DEBUGFUNC("e1000_check_mng_mode_generic"); - - - return (fwsm & E1000_FWSM_MODE_MASK) == - (E1000_MNG_IAMT_MODE << E1000_FWSM_MODE_SHIFT); -} - -/** - * e1000_enable_tx_pkt_filtering_generic - Enable packet filtering on Tx - * @hw: pointer to the HW structure - * - * Enables packet filtering on transmit packets if manageability is enabled - * and host interface is enabled. - **/ -bool e1000_enable_tx_pkt_filtering_generic(struct e1000_hw *hw) -{ - struct e1000_host_mng_dhcp_cookie *hdr = &hw->mng_cookie; - u32 *buffer = (u32 *)&hw->mng_cookie; - u32 offset; - s32 ret_val, hdr_csum, csum; - u8 i, len; - - DEBUGFUNC("e1000_enable_tx_pkt_filtering_generic"); - - hw->mac.tx_pkt_filtering = true; - - /* No manageability, no filtering */ - if (!hw->mac.ops.check_mng_mode(hw)) { - hw->mac.tx_pkt_filtering = false; - return hw->mac.tx_pkt_filtering; - } - - /* If we can't read from the host interface for whatever - * reason, disable filtering. - */ - ret_val = e1000_mng_enable_host_if_generic(hw); - if (ret_val != E1000_SUCCESS) { - hw->mac.tx_pkt_filtering = false; - return hw->mac.tx_pkt_filtering; - } - - /* Read in the header. Length and offset are in dwords. */ - len = E1000_MNG_DHCP_COOKIE_LENGTH >> 2; - offset = E1000_MNG_DHCP_COOKIE_OFFSET >> 2; - for (i = 0; i < len; i++) - *(buffer + i) = E1000_READ_REG_ARRAY_DWORD(hw, E1000_HOST_IF, - offset + i); - hdr_csum = hdr->checksum; - hdr->checksum = 0; - csum = e1000_calculate_checksum((u8 *)hdr, - E1000_MNG_DHCP_COOKIE_LENGTH); - /* If either the checksums or signature don't match, then - * the cookie area isn't considered valid, in which case we - * take the safe route of assuming Tx filtering is enabled. - */ - if ((hdr_csum != csum) || (hdr->signature != E1000_IAMT_SIGNATURE)) { - hw->mac.tx_pkt_filtering = true; - return hw->mac.tx_pkt_filtering; - } - - /* Cookie area is valid, make the final check for filtering. */ - if (!(hdr->status & E1000_MNG_DHCP_COOKIE_STATUS_PARSING)) - hw->mac.tx_pkt_filtering = false; - - return hw->mac.tx_pkt_filtering; -} - -/** - * e1000_mng_write_cmd_header_generic - Writes manageability command header - * @hw: pointer to the HW structure - * @hdr: pointer to the host interface command header - * - * Writes the command header after does the checksum calculation. - **/ -s32 e1000_mng_write_cmd_header_generic(struct e1000_hw *hw, - struct e1000_host_mng_command_header *hdr) -{ - u16 i, length = sizeof(struct e1000_host_mng_command_header); - - DEBUGFUNC("e1000_mng_write_cmd_header_generic"); - - /* Write the whole command header structure with new checksum. */ - - hdr->checksum = e1000_calculate_checksum((u8 *)hdr, length); - - length >>= 2; - /* Write the relevant command block into the ram area. */ - for (i = 0; i < length; i++) { - E1000_WRITE_REG_ARRAY_DWORD(hw, E1000_HOST_IF, i, - *((u32 *) hdr + i)); - E1000_WRITE_FLUSH(hw); - } - - return E1000_SUCCESS; -} - -/** - * e1000_mng_host_if_write_generic - Write to the manageability host interface - * @hw: pointer to the HW structure - * @buffer: pointer to the host interface buffer - * @length: size of the buffer - * @offset: location in the buffer to write to - * @sum: sum of the data (not checksum) - * - * This function writes the buffer content at the offset given on the host if. - * It also does alignment considerations to do the writes in most efficient - * way. Also fills up the sum of the buffer in *buffer parameter. - **/ -s32 e1000_mng_host_if_write_generic(struct e1000_hw *hw, u8 *buffer, - u16 length, u16 offset, u8 *sum) -{ - u8 *tmp; - u8 *bufptr = buffer; - u32 data = 0; - u16 remaining, i, j, prev_bytes; - - DEBUGFUNC("e1000_mng_host_if_write_generic"); - - /* sum = only sum of the data and it is not checksum */ - - if (length == 0 || offset + length > E1000_HI_MAX_MNG_DATA_LENGTH) - return -E1000_ERR_PARAM; - - tmp = (u8 *)&data; - prev_bytes = offset & 0x3; - offset >>= 2; - - if (prev_bytes) { - data = E1000_READ_REG_ARRAY_DWORD(hw, E1000_HOST_IF, offset); - for (j = prev_bytes; j < sizeof(u32); j++) { - *(tmp + j) = *bufptr++; - *sum += *(tmp + j); - } - E1000_WRITE_REG_ARRAY_DWORD(hw, E1000_HOST_IF, offset, data); - length -= j - prev_bytes; - offset++; - } - - remaining = length & 0x3; - length -= remaining; - - /* Calculate length in DWORDs */ - length >>= 2; - - /* The device driver writes the relevant command block into the - * ram area. - */ - for (i = 0; i < length; i++) { - for (j = 0; j < sizeof(u32); j++) { - *(tmp + j) = *bufptr++; - *sum += *(tmp + j); - } - - E1000_WRITE_REG_ARRAY_DWORD(hw, E1000_HOST_IF, offset + i, - data); - } - if (remaining) { - for (j = 0; j < sizeof(u32); j++) { - if (j < remaining) - *(tmp + j) = *bufptr++; - else - *(tmp + j) = 0; - - *sum += *(tmp + j); - } - E1000_WRITE_REG_ARRAY_DWORD(hw, E1000_HOST_IF, offset + i, - data); - } - - return E1000_SUCCESS; -} - -/** - * e1000_mng_write_dhcp_info_generic - Writes DHCP info to host interface - * @hw: pointer to the HW structure - * @buffer: pointer to the host interface - * @length: size of the buffer - * - * Writes the DHCP information to the host interface. - **/ -s32 e1000_mng_write_dhcp_info_generic(struct e1000_hw *hw, u8 *buffer, - u16 length) -{ - struct e1000_host_mng_command_header hdr; - s32 ret_val; - u32 hicr; - - DEBUGFUNC("e1000_mng_write_dhcp_info_generic"); - - hdr.command_id = E1000_MNG_DHCP_TX_PAYLOAD_CMD; - hdr.command_length = length; - hdr.reserved1 = 0; - hdr.reserved2 = 0; - hdr.checksum = 0; - - /* Enable the host interface */ - ret_val = e1000_mng_enable_host_if_generic(hw); - if (ret_val) - return ret_val; - - /* Populate the host interface with the contents of "buffer". */ - ret_val = e1000_mng_host_if_write_generic(hw, buffer, length, - sizeof(hdr), &(hdr.checksum)); - if (ret_val) - return ret_val; - - /* Write the manageability command header */ - ret_val = e1000_mng_write_cmd_header_generic(hw, &hdr); - if (ret_val) - return ret_val; - - /* Tell the ARC a new command is pending. */ - hicr = E1000_READ_REG(hw, E1000_HICR); - E1000_WRITE_REG(hw, E1000_HICR, hicr | E1000_HICR_C); - - return E1000_SUCCESS; -} - -/** - * e1000_enable_mng_pass_thru - Check if management passthrough is needed - * @hw: pointer to the HW structure - * - * Verifies the hardware needs to leave interface enabled so that frames can - * be directed to and from the management interface. - **/ -bool e1000_enable_mng_pass_thru(struct e1000_hw *hw) -{ - u32 manc; - u32 fwsm, factps; - - DEBUGFUNC("e1000_enable_mng_pass_thru"); - - if (!hw->mac.asf_firmware_present) - return false; - - manc = E1000_READ_REG(hw, E1000_MANC); - - if (!(manc & E1000_MANC_RCV_TCO_EN)) - return false; - - if (hw->mac.has_fwsm) { - fwsm = E1000_READ_REG(hw, E1000_FWSM); - factps = E1000_READ_REG(hw, E1000_FACTPS); - - if (!(factps & E1000_FACTPS_MNGCG) && - ((fwsm & E1000_FWSM_MODE_MASK) == - (e1000_mng_mode_pt << E1000_FWSM_MODE_SHIFT))) - return true; - } else if ((manc & E1000_MANC_SMBUS_EN) && - !(manc & E1000_MANC_ASF_EN)) { - return true; - } - - return false; -} - -/** - * e1000_host_interface_command - Writes buffer to host interface - * @hw: pointer to the HW structure - * @buffer: contains a command to write - * @length: the byte length of the buffer, must be multiple of 4 bytes - * - * Writes a buffer to the Host Interface. Upon success, returns E1000_SUCCESS - * else returns E1000_ERR_HOST_INTERFACE_COMMAND. - **/ -s32 e1000_host_interface_command(struct e1000_hw *hw, u8 *buffer, u32 length) -{ - u32 hicr, i; - - DEBUGFUNC("e1000_host_interface_command"); - - if (!(hw->mac.arc_subsystem_valid)) { - DEBUGOUT("Hardware doesn't support host interface command.\n"); - return E1000_SUCCESS; - } - - if (!hw->mac.asf_firmware_present) { - DEBUGOUT("Firmware is not present.\n"); - return E1000_SUCCESS; - } - - if (length == 0 || length & 0x3 || - length > E1000_HI_MAX_BLOCK_BYTE_LENGTH) { - DEBUGOUT("Buffer length failure.\n"); - return -E1000_ERR_HOST_INTERFACE_COMMAND; - } - - /* Check that the host interface is enabled. */ - hicr = E1000_READ_REG(hw, E1000_HICR); - if (!(hicr & E1000_HICR_EN)) { - DEBUGOUT("E1000_HOST_EN bit disabled.\n"); - return -E1000_ERR_HOST_INTERFACE_COMMAND; - } - - /* Calculate length in DWORDs */ - length >>= 2; - - /* The device driver writes the relevant command block - * into the ram area. - */ - for (i = 0; i < length; i++) - E1000_WRITE_REG_ARRAY_DWORD(hw, E1000_HOST_IF, i, - *((u32 *)buffer + i)); - - /* Setting this bit tells the ARC that a new command is pending. */ - E1000_WRITE_REG(hw, E1000_HICR, hicr | E1000_HICR_C); - - for (i = 0; i < E1000_HI_COMMAND_TIMEOUT; i++) { - hicr = E1000_READ_REG(hw, E1000_HICR); - if (!(hicr & E1000_HICR_C)) - break; - msec_delay(1); - } - - /* Check command successful completion. */ - if (i == E1000_HI_COMMAND_TIMEOUT || - (!(E1000_READ_REG(hw, E1000_HICR) & E1000_HICR_SV))) { - DEBUGOUT("Command has failed with no status valid.\n"); - return -E1000_ERR_HOST_INTERFACE_COMMAND; - } - - for (i = 0; i < length; i++) - *((u32 *)buffer + i) = E1000_READ_REG_ARRAY_DWORD(hw, - E1000_HOST_IF, - i); - - return E1000_SUCCESS; -} -/** - * e1000_load_firmware - Writes proxy FW code buffer to host interface - * and execute. - * @hw: pointer to the HW structure - * @buffer: contains a firmware to write - * @length: the byte length of the buffer, must be multiple of 4 bytes - * - * Upon success returns E1000_SUCCESS, returns E1000_ERR_CONFIG if not enabled - * in HW else returns E1000_ERR_HOST_INTERFACE_COMMAND. - **/ -s32 e1000_load_firmware(struct e1000_hw *hw, u8 *buffer, u32 length) -{ - u32 hicr, hibba, fwsm, icr, i; - - DEBUGFUNC("e1000_load_firmware"); - - if (hw->mac.type < e1000_i210) { - DEBUGOUT("Hardware doesn't support loading FW by the driver\n"); - return -E1000_ERR_CONFIG; - } - - /* Check that the host interface is enabled. */ - hicr = E1000_READ_REG(hw, E1000_HICR); - if (!(hicr & E1000_HICR_EN)) { - DEBUGOUT("E1000_HOST_EN bit disabled.\n"); - return -E1000_ERR_CONFIG; - } - if (!(hicr & E1000_HICR_MEMORY_BASE_EN)) { - DEBUGOUT("E1000_HICR_MEMORY_BASE_EN bit disabled.\n"); - return -E1000_ERR_CONFIG; - } - - if (length == 0 || length & 0x3 || length > E1000_HI_FW_MAX_LENGTH) { - DEBUGOUT("Buffer length failure.\n"); - return -E1000_ERR_INVALID_ARGUMENT; - } - - /* Clear notification from ROM-FW by reading ICR register */ - icr = E1000_READ_REG(hw, E1000_ICR_V2); - - /* Reset ROM-FW */ - hicr = E1000_READ_REG(hw, E1000_HICR); - hicr |= E1000_HICR_FW_RESET_ENABLE; - E1000_WRITE_REG(hw, E1000_HICR, hicr); - hicr |= E1000_HICR_FW_RESET; - E1000_WRITE_REG(hw, E1000_HICR, hicr); - E1000_WRITE_FLUSH(hw); - - /* Wait till MAC notifies about its readiness after ROM-FW reset */ - for (i = 0; i < (E1000_HI_COMMAND_TIMEOUT * 2); i++) { - icr = E1000_READ_REG(hw, E1000_ICR_V2); - if (icr & E1000_ICR_MNG) - break; - msec_delay(1); - } - - /* Check for timeout */ - if (i == E1000_HI_COMMAND_TIMEOUT) { - DEBUGOUT("FW reset failed.\n"); - return -E1000_ERR_HOST_INTERFACE_COMMAND; - } - - /* Wait till MAC is ready to accept new FW code */ - for (i = 0; i < E1000_HI_COMMAND_TIMEOUT; i++) { - fwsm = E1000_READ_REG(hw, E1000_FWSM); - if ((fwsm & E1000_FWSM_FW_VALID) && - ((fwsm & E1000_FWSM_MODE_MASK) >> E1000_FWSM_MODE_SHIFT == - E1000_FWSM_HI_EN_ONLY_MODE)) - break; - msec_delay(1); - } - - /* Check for timeout */ - if (i == E1000_HI_COMMAND_TIMEOUT) { - DEBUGOUT("FW reset failed.\n"); - return -E1000_ERR_HOST_INTERFACE_COMMAND; - } - - /* Calculate length in DWORDs */ - length >>= 2; - - /* The device driver writes the relevant FW code block - * into the ram area in DWORDs via 1kB ram addressing window. - */ - for (i = 0; i < length; i++) { - if (!(i % E1000_HI_FW_BLOCK_DWORD_LENGTH)) { - /* Point to correct 1kB ram window */ - hibba = E1000_HI_FW_BASE_ADDRESS + - ((E1000_HI_FW_BLOCK_DWORD_LENGTH << 2) * - (i / E1000_HI_FW_BLOCK_DWORD_LENGTH)); - - E1000_WRITE_REG(hw, E1000_HIBBA, hibba); - } - - E1000_WRITE_REG_ARRAY_DWORD(hw, E1000_HOST_IF, - i % E1000_HI_FW_BLOCK_DWORD_LENGTH, - *((u32 *)buffer + i)); - } - - /* Setting this bit tells the ARC that a new FW is ready to execute. */ - hicr = E1000_READ_REG(hw, E1000_HICR); - E1000_WRITE_REG(hw, E1000_HICR, hicr | E1000_HICR_C); - - for (i = 0; i < E1000_HI_COMMAND_TIMEOUT; i++) { - hicr = E1000_READ_REG(hw, E1000_HICR); - if (!(hicr & E1000_HICR_C)) - break; - msec_delay(1); - } - - /* Check for successful FW start. */ - if (i == E1000_HI_COMMAND_TIMEOUT) { - DEBUGOUT("New FW did not start within timeout period.\n"); - return -E1000_ERR_HOST_INTERFACE_COMMAND; - } - - return E1000_SUCCESS; -} - - |