diff options
Diffstat (limited to 'src/dpdk22/drivers/net/ixgbe/ixgbe_pf.c')
| -rw-r--r-- | src/dpdk22/drivers/net/ixgbe/ixgbe_pf.c | 695 |
1 files changed, 0 insertions, 695 deletions
diff --git a/src/dpdk22/drivers/net/ixgbe/ixgbe_pf.c b/src/dpdk22/drivers/net/ixgbe/ixgbe_pf.c deleted file mode 100644 index 2ffbd1fa..00000000 --- a/src/dpdk22/drivers/net/ixgbe/ixgbe_pf.c +++ /dev/null @@ -1,695 +0,0 @@ -/*- - * BSD LICENSE - * - * Copyright(c) 2010-2015 Intel Corporation. All rights reserved. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * * Neither the name of Intel Corporation nor the names of its - * contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -#include <stdio.h> -#include <errno.h> -#include <stdint.h> -#include <stdlib.h> -#include <unistd.h> -#include <stdarg.h> -#include <inttypes.h> - -#include <rte_interrupts.h> -#include <rte_log.h> -#include <rte_debug.h> -#include <rte_eal.h> -#include <rte_ether.h> -#include <rte_ethdev.h> -#include <rte_memcpy.h> -#include <rte_malloc.h> -#include <rte_random.h> - -#include "base/ixgbe_common.h" -#include "ixgbe_ethdev.h" - -#define IXGBE_MAX_VFTA (128) -#define IXGBE_VF_MSG_SIZE_DEFAULT 1 -#define IXGBE_VF_GET_QUEUE_MSG_SIZE 5 -#define IXGBE_ETHERTYPE_FLOW_CTRL 0x8808 - -static inline uint16_t -dev_num_vf(struct rte_eth_dev *eth_dev) -{ - return eth_dev->pci_dev->max_vfs; -} - -static inline -int ixgbe_vf_perm_addr_gen(struct rte_eth_dev *dev, uint16_t vf_num) -{ - unsigned char vf_mac_addr[ETHER_ADDR_LEN]; - struct ixgbe_vf_info *vfinfo = - *IXGBE_DEV_PRIVATE_TO_P_VFDATA(dev->data->dev_private); - uint16_t vfn; - - for (vfn = 0; vfn < vf_num; vfn++) { - eth_random_addr(vf_mac_addr); - /* keep the random address as default */ - memcpy(vfinfo[vfn].vf_mac_addresses, vf_mac_addr, - ETHER_ADDR_LEN); - } - - return 0; -} - -static inline int -ixgbe_mb_intr_setup(struct rte_eth_dev *dev) -{ - struct ixgbe_interrupt *intr = - IXGBE_DEV_PRIVATE_TO_INTR(dev->data->dev_private); - - intr->mask |= IXGBE_EICR_MAILBOX; - - return 0; -} - -void ixgbe_pf_host_init(struct rte_eth_dev *eth_dev) -{ - struct ixgbe_vf_info **vfinfo = - IXGBE_DEV_PRIVATE_TO_P_VFDATA(eth_dev->data->dev_private); - struct ixgbe_mirror_info *mirror_info = - IXGBE_DEV_PRIVATE_TO_PFDATA(eth_dev->data->dev_private); - struct ixgbe_uta_info *uta_info = - IXGBE_DEV_PRIVATE_TO_UTA(eth_dev->data->dev_private); - struct ixgbe_hw *hw = - IXGBE_DEV_PRIVATE_TO_HW(eth_dev->data->dev_private); - uint16_t vf_num; - uint8_t nb_queue; - - PMD_INIT_FUNC_TRACE(); - - RTE_ETH_DEV_SRIOV(eth_dev).active = 0; - if (0 == (vf_num = dev_num_vf(eth_dev))) - return; - - *vfinfo = rte_zmalloc("vf_info", sizeof(struct ixgbe_vf_info) * vf_num, 0); - if (*vfinfo == NULL) - rte_panic("Cannot allocate memory for private VF data\n"); - - memset(mirror_info,0,sizeof(struct ixgbe_mirror_info)); - memset(uta_info,0,sizeof(struct ixgbe_uta_info)); - hw->mac.mc_filter_type = 0; - - if (vf_num >= ETH_32_POOLS) { - nb_queue = 2; - RTE_ETH_DEV_SRIOV(eth_dev).active = ETH_64_POOLS; - } else if (vf_num >= ETH_16_POOLS) { - nb_queue = 4; - RTE_ETH_DEV_SRIOV(eth_dev).active = ETH_32_POOLS; - } else { - nb_queue = 8; - RTE_ETH_DEV_SRIOV(eth_dev).active = ETH_16_POOLS; - } - - RTE_ETH_DEV_SRIOV(eth_dev).nb_q_per_pool = nb_queue; - RTE_ETH_DEV_SRIOV(eth_dev).def_vmdq_idx = vf_num; - RTE_ETH_DEV_SRIOV(eth_dev).def_pool_q_idx = (uint16_t)(vf_num * nb_queue); - - ixgbe_vf_perm_addr_gen(eth_dev, vf_num); - - /* init_mailbox_params */ - hw->mbx.ops.init_params(hw); - - /* set mb interrupt mask */ - ixgbe_mb_intr_setup(eth_dev); - - return; -} - -void ixgbe_pf_host_uninit(struct rte_eth_dev *eth_dev) -{ - struct ixgbe_vf_info **vfinfo; - uint16_t vf_num; - - PMD_INIT_FUNC_TRACE(); - - vfinfo = IXGBE_DEV_PRIVATE_TO_P_VFDATA(eth_dev->data->dev_private); - - RTE_ETH_DEV_SRIOV(eth_dev).active = 0; - RTE_ETH_DEV_SRIOV(eth_dev).nb_q_per_pool = 0; - RTE_ETH_DEV_SRIOV(eth_dev).def_vmdq_idx = 0; - RTE_ETH_DEV_SRIOV(eth_dev).def_pool_q_idx = 0; - - vf_num = dev_num_vf(eth_dev); - if (vf_num == 0) - return; - - rte_free(*vfinfo); - *vfinfo = NULL; -} - -static void -ixgbe_add_tx_flow_control_drop_filter(struct rte_eth_dev *eth_dev) -{ - struct ixgbe_hw *hw = - IXGBE_DEV_PRIVATE_TO_HW(eth_dev->data->dev_private); - struct ixgbe_filter_info *filter_info = - IXGBE_DEV_PRIVATE_TO_FILTER_INFO(eth_dev->data->dev_private); - uint16_t vf_num; - int i; - - if (!hw->mac.ops.set_ethertype_anti_spoofing) { - RTE_LOG(INFO, PMD, "ether type anti-spoofing is not" - " supported.\n"); - return; - } - - /* occupy an entity of ether type filter */ - for (i = 0; i < IXGBE_MAX_ETQF_FILTERS; i++) { - if (!(filter_info->ethertype_mask & (1 << i))) { - filter_info->ethertype_mask |= 1 << i; - filter_info->ethertype_filters[i] = - IXGBE_ETHERTYPE_FLOW_CTRL; - break; - } - } - if (i == IXGBE_MAX_ETQF_FILTERS) { - RTE_LOG(ERR, PMD, "Cannot find an unused ether type filter" - " entity for flow control.\n"); - return; - } - - IXGBE_WRITE_REG(hw, IXGBE_ETQF(i), - (IXGBE_ETQF_FILTER_EN | - IXGBE_ETQF_TX_ANTISPOOF | - IXGBE_ETHERTYPE_FLOW_CTRL)); - - vf_num = dev_num_vf(eth_dev); - for (i = 0; i < vf_num; i++) - hw->mac.ops.set_ethertype_anti_spoofing(hw, true, i); -} - -int ixgbe_pf_host_configure(struct rte_eth_dev *eth_dev) -{ - uint32_t vtctl, fcrth; - uint32_t vfre_slot, vfre_offset; - uint16_t vf_num; - const uint8_t VFRE_SHIFT = 5; /* VFRE 32 bits per slot */ - const uint8_t VFRE_MASK = (uint8_t)((1U << VFRE_SHIFT) - 1); - struct ixgbe_hw *hw = IXGBE_DEV_PRIVATE_TO_HW(eth_dev->data->dev_private); - uint32_t gpie, gcr_ext; - uint32_t vlanctrl; - int i; - - if (0 == (vf_num = dev_num_vf(eth_dev))) - return -1; - - /* enable VMDq and set the default pool for PF */ - vtctl = IXGBE_READ_REG(hw, IXGBE_VT_CTL); - vtctl |= IXGBE_VMD_CTL_VMDQ_EN; - vtctl &= ~IXGBE_VT_CTL_POOL_MASK; - vtctl |= RTE_ETH_DEV_SRIOV(eth_dev).def_vmdq_idx - << IXGBE_VT_CTL_POOL_SHIFT; - vtctl |= IXGBE_VT_CTL_REPLEN; - IXGBE_WRITE_REG(hw, IXGBE_VT_CTL, vtctl); - - vfre_offset = vf_num & VFRE_MASK; - vfre_slot = (vf_num >> VFRE_SHIFT) > 0 ? 1 : 0; - - /* Enable pools reserved to PF only */ - IXGBE_WRITE_REG(hw, IXGBE_VFRE(vfre_slot), (~0) << vfre_offset); - IXGBE_WRITE_REG(hw, IXGBE_VFRE(vfre_slot ^ 1), vfre_slot - 1); - IXGBE_WRITE_REG(hw, IXGBE_VFTE(vfre_slot), (~0) << vfre_offset); - IXGBE_WRITE_REG(hw, IXGBE_VFTE(vfre_slot ^ 1), vfre_slot - 1); - - /* PFDMA Tx General Switch Control Enables VMDQ loopback */ - IXGBE_WRITE_REG(hw, IXGBE_PFDTXGSWC, IXGBE_PFDTXGSWC_VT_LBEN); - - /* clear VMDq map to perment rar 0 */ - hw->mac.ops.clear_vmdq(hw, 0, IXGBE_CLEAR_VMDQ_ALL); - - /* clear VMDq map to scan rar 127 */ - IXGBE_WRITE_REG(hw, IXGBE_MPSAR_LO(hw->mac.num_rar_entries), 0); - IXGBE_WRITE_REG(hw, IXGBE_MPSAR_HI(hw->mac.num_rar_entries), 0); - - /* set VMDq map to default PF pool */ - hw->mac.ops.set_vmdq(hw, 0, RTE_ETH_DEV_SRIOV(eth_dev).def_vmdq_idx); - - /* - * SW msut set GCR_EXT.VT_Mode the same as GPIE.VT_Mode - */ - gcr_ext = IXGBE_READ_REG(hw, IXGBE_GCR_EXT); - gcr_ext &= ~IXGBE_GCR_EXT_VT_MODE_MASK; - - gpie = IXGBE_READ_REG(hw, IXGBE_GPIE); - gpie &= ~IXGBE_GPIE_VTMODE_MASK; - gpie |= IXGBE_GPIE_MSIX_MODE; - - switch (RTE_ETH_DEV_SRIOV(eth_dev).active) { - case ETH_64_POOLS: - gcr_ext |= IXGBE_GCR_EXT_VT_MODE_64; - gpie |= IXGBE_GPIE_VTMODE_64; - break; - case ETH_32_POOLS: - gcr_ext |= IXGBE_GCR_EXT_VT_MODE_32; - gpie |= IXGBE_GPIE_VTMODE_32; - break; - case ETH_16_POOLS: - gcr_ext |= IXGBE_GCR_EXT_VT_MODE_16; - gpie |= IXGBE_GPIE_VTMODE_16; - break; - } - - IXGBE_WRITE_REG(hw, IXGBE_GCR_EXT, gcr_ext); - IXGBE_WRITE_REG(hw, IXGBE_GPIE, gpie); - - /* - * enable vlan filtering and allow all vlan tags through - */ - vlanctrl = IXGBE_READ_REG(hw, IXGBE_VLNCTRL); - vlanctrl |= IXGBE_VLNCTRL_VFE ; /* enable vlan filters */ - IXGBE_WRITE_REG(hw, IXGBE_VLNCTRL, vlanctrl); - - /* VFTA - enable all vlan filters */ - for (i = 0; i < IXGBE_MAX_VFTA; i++) { - IXGBE_WRITE_REG(hw, IXGBE_VFTA(i), 0xFFFFFFFF); - } - - /* Enable MAC Anti-Spoofing */ - hw->mac.ops.set_mac_anti_spoofing(hw, FALSE, vf_num); - - /* set flow control threshold to max to avoid tx switch hang */ - for (i = 0; i < IXGBE_DCB_MAX_TRAFFIC_CLASS; i++) { - IXGBE_WRITE_REG(hw, IXGBE_FCRTL_82599(i), 0); - fcrth = IXGBE_READ_REG(hw, IXGBE_RXPBSIZE(i)) - 32; - IXGBE_WRITE_REG(hw, IXGBE_FCRTH_82599(i), fcrth); - } - - ixgbe_add_tx_flow_control_drop_filter(eth_dev); - - return 0; -} - -static void -set_rx_mode(struct rte_eth_dev *dev) -{ - struct rte_eth_dev_data *dev_data = - (struct rte_eth_dev_data*)dev->data->dev_private; - struct ixgbe_hw *hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private); - u32 fctrl, vmolr = IXGBE_VMOLR_BAM | IXGBE_VMOLR_AUPE; - uint16_t vfn = dev_num_vf(dev); - - /* Check for Promiscuous and All Multicast modes */ - fctrl = IXGBE_READ_REG(hw, IXGBE_FCTRL); - - /* set all bits that we expect to always be set */ - fctrl &= ~IXGBE_FCTRL_SBP; /* disable store-bad-packets */ - fctrl |= IXGBE_FCTRL_BAM; - - /* clear the bits we are changing the status of */ - fctrl &= ~(IXGBE_FCTRL_UPE | IXGBE_FCTRL_MPE); - - if (dev_data->promiscuous) { - fctrl |= (IXGBE_FCTRL_UPE | IXGBE_FCTRL_MPE); - vmolr |= (IXGBE_VMOLR_ROPE | IXGBE_VMOLR_MPE); - } else { - if (dev_data->all_multicast) { - fctrl |= IXGBE_FCTRL_MPE; - vmolr |= IXGBE_VMOLR_MPE; - } else { - vmolr |= IXGBE_VMOLR_ROMPE; - } - } - - if (hw->mac.type != ixgbe_mac_82598EB) { - vmolr |= IXGBE_READ_REG(hw, IXGBE_VMOLR(vfn)) & - ~(IXGBE_VMOLR_MPE | IXGBE_VMOLR_ROMPE | - IXGBE_VMOLR_ROPE); - IXGBE_WRITE_REG(hw, IXGBE_VMOLR(vfn), vmolr); - } - - IXGBE_WRITE_REG(hw, IXGBE_FCTRL, fctrl); - - if (dev->data->dev_conf.rxmode.hw_vlan_strip) - ixgbe_vlan_hw_strip_enable_all(dev); - else - ixgbe_vlan_hw_strip_disable_all(dev); -} - -static inline void -ixgbe_vf_reset_event(struct rte_eth_dev *dev, uint16_t vf) -{ - struct ixgbe_hw *hw = - IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private); - struct ixgbe_vf_info *vfinfo = - *(IXGBE_DEV_PRIVATE_TO_P_VFDATA(dev->data->dev_private)); - int rar_entry = hw->mac.num_rar_entries - (vf + 1); - uint32_t vmolr = IXGBE_READ_REG(hw, IXGBE_VMOLR(vf)); - - vmolr |= (IXGBE_VMOLR_ROPE | IXGBE_VMOLR_ROMPE | - IXGBE_VMOLR_BAM | IXGBE_VMOLR_AUPE); - IXGBE_WRITE_REG(hw, IXGBE_VMOLR(vf), vmolr); - - IXGBE_WRITE_REG(hw, IXGBE_VMVIR(vf), 0); - - /* reset multicast table array for vf */ - vfinfo[vf].num_vf_mc_hashes = 0; - - /* reset rx mode */ - set_rx_mode(dev); - - hw->mac.ops.clear_rar(hw, rar_entry); -} - -static inline void -ixgbe_vf_reset_msg(struct rte_eth_dev *dev, uint16_t vf) -{ - struct ixgbe_hw *hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private); - uint32_t reg; - uint32_t reg_offset, vf_shift; - const uint8_t VFRE_SHIFT = 5; /* VFRE 32 bits per slot */ - const uint8_t VFRE_MASK = (uint8_t)((1U << VFRE_SHIFT) - 1); - - vf_shift = vf & VFRE_MASK; - reg_offset = (vf >> VFRE_SHIFT) > 0 ? 1 : 0; - - /* enable transmit and receive for vf */ - reg = IXGBE_READ_REG(hw, IXGBE_VFTE(reg_offset)); - reg |= (reg | (1 << vf_shift)); - IXGBE_WRITE_REG(hw, IXGBE_VFTE(reg_offset), reg); - - reg = IXGBE_READ_REG(hw, IXGBE_VFRE(reg_offset)); - reg |= (reg | (1 << vf_shift)); - IXGBE_WRITE_REG(hw, IXGBE_VFRE(reg_offset), reg); - - /* 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(dev, vf); -} - -static int -ixgbe_vf_reset(struct rte_eth_dev *dev, uint16_t vf, uint32_t *msgbuf) -{ - struct ixgbe_hw *hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private); - struct ixgbe_vf_info *vfinfo = - *(IXGBE_DEV_PRIVATE_TO_P_VFDATA(dev->data->dev_private)); - unsigned char *vf_mac = vfinfo[vf].vf_mac_addresses; - int rar_entry = hw->mac.num_rar_entries - (vf + 1); - uint8_t *new_mac = (uint8_t *)(&msgbuf[1]); - - ixgbe_vf_reset_msg(dev, vf); - - hw->mac.ops.set_rar(hw, rar_entry, vf_mac, vf, IXGBE_RAH_AV); - - /* reply to reset with ack and vf mac address */ - msgbuf[0] = IXGBE_VF_RESET | IXGBE_VT_MSGTYPE_ACK; - rte_memcpy(new_mac, vf_mac, ETHER_ADDR_LEN); - /* - * 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_vf_set_mac_addr(struct rte_eth_dev *dev, uint32_t vf, uint32_t *msgbuf) -{ - struct ixgbe_hw *hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private); - struct ixgbe_vf_info *vfinfo = - *(IXGBE_DEV_PRIVATE_TO_P_VFDATA(dev->data->dev_private)); - int rar_entry = hw->mac.num_rar_entries - (vf + 1); - uint8_t *new_mac = (uint8_t *)(&msgbuf[1]); - - if (is_valid_assigned_ether_addr((struct ether_addr*)new_mac)) { - rte_memcpy(vfinfo[vf].vf_mac_addresses, new_mac, 6); - return hw->mac.ops.set_rar(hw, rar_entry, new_mac, vf, IXGBE_RAH_AV); - } - return -1; -} - -static int -ixgbe_vf_set_multicast(struct rte_eth_dev *dev, __rte_unused uint32_t vf, uint32_t *msgbuf) -{ - struct ixgbe_hw *hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private); - struct ixgbe_vf_info *vfinfo = - *(IXGBE_DEV_PRIVATE_TO_P_VFDATA(dev->data->dev_private)); - int nb_entries = (msgbuf[0] & IXGBE_VT_MSGINFO_MASK) >> - IXGBE_VT_MSGINFO_SHIFT; - uint16_t *hash_list = (uint16_t *)&msgbuf[1]; - uint32_t mta_idx; - uint32_t mta_shift; - const uint32_t IXGBE_MTA_INDEX_MASK = 0x7F; - const uint32_t IXGBE_MTA_BIT_SHIFT = 5; - const uint32_t IXGBE_MTA_BIT_MASK = (0x1 << IXGBE_MTA_BIT_SHIFT) - 1; - uint32_t reg_val; - int i; - - /* only so many hash values supported */ - nb_entries = RTE_MIN(nb_entries, IXGBE_MAX_VF_MC_ENTRIES); - - /* store the mc entries */ - vfinfo->num_vf_mc_hashes = (uint16_t)nb_entries; - for (i = 0; i < nb_entries; i++) { - vfinfo->vf_mc_hashes[i] = hash_list[i]; - } - - for (i = 0; i < vfinfo->num_vf_mc_hashes; i++) { - mta_idx = (vfinfo->vf_mc_hashes[i] >> IXGBE_MTA_BIT_SHIFT) - & IXGBE_MTA_INDEX_MASK; - mta_shift = vfinfo->vf_mc_hashes[i] & IXGBE_MTA_BIT_MASK; - reg_val = IXGBE_READ_REG(hw, IXGBE_MTA(mta_idx)); - reg_val |= (1 << mta_shift); - IXGBE_WRITE_REG(hw, IXGBE_MTA(mta_idx), reg_val); - } - - return 0; -} - -static int -ixgbe_vf_set_vlan(struct rte_eth_dev *dev, uint32_t vf, uint32_t *msgbuf) -{ - int add, vid; - struct ixgbe_hw *hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private); - struct ixgbe_vf_info *vfinfo = - *(IXGBE_DEV_PRIVATE_TO_P_VFDATA(dev->data->dev_private)); - - add = (msgbuf[0] & IXGBE_VT_MSGINFO_MASK) - >> IXGBE_VT_MSGINFO_SHIFT; - vid = (msgbuf[1] & IXGBE_VLVF_VLANID_MASK); - - if (add) - vfinfo[vf].vlan_count++; - else if (vfinfo[vf].vlan_count) - vfinfo[vf].vlan_count--; - return hw->mac.ops.set_vfta(hw, vid, vf, (bool)add); -} - -static int -ixgbe_set_vf_lpe(struct rte_eth_dev *dev, __rte_unused uint32_t vf, uint32_t *msgbuf) -{ - struct ixgbe_hw *hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private); - uint32_t new_mtu = msgbuf[1]; - uint32_t max_frs; - int max_frame = new_mtu + ETHER_HDR_LEN + ETHER_CRC_LEN; - - /* X540 and X550 support jumbo frames in IOV mode */ - if (hw->mac.type != ixgbe_mac_X540 && - hw->mac.type != ixgbe_mac_X550 && - hw->mac.type != ixgbe_mac_X550EM_x) - return -1; - - if ((max_frame < ETHER_MIN_LEN) || (max_frame > ETHER_MAX_JUMBO_FRAME_LEN)) - return -1; - - max_frs = (IXGBE_READ_REG(hw, IXGBE_MAXFRS) & - IXGBE_MHADD_MFS_MASK) >> IXGBE_MHADD_MFS_SHIFT; - if (max_frs < new_mtu) { - max_frs = new_mtu << IXGBE_MHADD_MFS_SHIFT; - IXGBE_WRITE_REG(hw, IXGBE_MAXFRS, max_frs); - } - - return 0; -} - -static int -ixgbe_negotiate_vf_api(struct rte_eth_dev *dev, uint32_t vf, uint32_t *msgbuf) -{ - uint32_t api_version = msgbuf[1]; - struct ixgbe_vf_info *vfinfo = - *IXGBE_DEV_PRIVATE_TO_P_VFDATA(dev->data->dev_private); - - switch (api_version) { - case ixgbe_mbox_api_10: - case ixgbe_mbox_api_11: - vfinfo[vf].api_version = (uint8_t)api_version; - return 0; - default: - break; - } - - RTE_LOG(ERR, PMD, "Negotiate invalid api version %u from VF %d\n", - api_version, vf); - - return -1; -} - -static int -ixgbe_get_vf_queues(struct rte_eth_dev *dev, uint32_t vf, uint32_t *msgbuf) -{ - struct ixgbe_vf_info *vfinfo = - *IXGBE_DEV_PRIVATE_TO_P_VFDATA(dev->data->dev_private); - uint32_t default_q = vf * RTE_ETH_DEV_SRIOV(dev).nb_q_per_pool; - - /* Verify if the PF supports the mbox APIs version or not */ - switch (vfinfo[vf].api_version) { - case ixgbe_mbox_api_20: - case ixgbe_mbox_api_11: - break; - default: - return -1; - } - - /* Notify VF of Rx and Tx queue number */ - msgbuf[IXGBE_VF_RX_QUEUES] = RTE_ETH_DEV_SRIOV(dev).nb_q_per_pool; - msgbuf[IXGBE_VF_TX_QUEUES] = RTE_ETH_DEV_SRIOV(dev).nb_q_per_pool; - - /* Notify VF of default queue */ - msgbuf[IXGBE_VF_DEF_QUEUE] = default_q; - - /* - * FIX ME if it needs fill msgbuf[IXGBE_VF_TRANS_VLAN] - * for VLAN strip or VMDQ_DCB or VMDQ_DCB_RSS - */ - - return 0; -} - -static int -ixgbe_rcv_msg_from_vf(struct rte_eth_dev *dev, uint16_t vf) -{ - uint16_t mbx_size = IXGBE_VFMAILBOX_SIZE; - uint16_t msg_size = IXGBE_VF_MSG_SIZE_DEFAULT; - uint32_t msgbuf[IXGBE_VFMAILBOX_SIZE]; - int32_t retval; - struct ixgbe_hw *hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private); - struct ixgbe_vf_info *vfinfo = - *IXGBE_DEV_PRIVATE_TO_P_VFDATA(dev->data->dev_private); - - retval = ixgbe_read_mbx(hw, msgbuf, mbx_size, vf); - if (retval) { - PMD_DRV_LOG(ERR, "Error mbx recv msg from VF %d", vf); - return retval; - } - - /* do nothing with the message already been processed */ - if (msgbuf[0] & (IXGBE_VT_MSGTYPE_ACK | IXGBE_VT_MSGTYPE_NACK)) - return retval; - - /* flush the ack before we write any messages back */ - IXGBE_WRITE_FLUSH(hw); - - /* perform VF reset */ - if (msgbuf[0] == IXGBE_VF_RESET) { - int ret = ixgbe_vf_reset(dev, vf, msgbuf); - vfinfo[vf].clear_to_send = true; - return ret; - } - - /* check & process VF to PF mailbox message */ - switch ((msgbuf[0] & 0xFFFF)) { - case IXGBE_VF_SET_MAC_ADDR: - retval = ixgbe_vf_set_mac_addr(dev, vf, msgbuf); - break; - case IXGBE_VF_SET_MULTICAST: - retval = ixgbe_vf_set_multicast(dev, vf, msgbuf); - break; - case IXGBE_VF_SET_LPE: - retval = ixgbe_set_vf_lpe(dev, vf, msgbuf); - break; - case IXGBE_VF_SET_VLAN: - retval = ixgbe_vf_set_vlan(dev, vf, msgbuf); - break; - case IXGBE_VF_API_NEGOTIATE: - retval = ixgbe_negotiate_vf_api(dev, vf, msgbuf); - break; - case IXGBE_VF_GET_QUEUES: - retval = ixgbe_get_vf_queues(dev, vf, msgbuf); - msg_size = IXGBE_VF_GET_QUEUE_MSG_SIZE; - break; - default: - PMD_DRV_LOG(DEBUG, "Unhandled Msg %8.8x", (unsigned)msgbuf[0]); - retval = IXGBE_ERR_MBX; - break; - } - - /* response the VF according to the message process result */ - if (retval) - msgbuf[0] |= IXGBE_VT_MSGTYPE_NACK; - else - msgbuf[0] |= IXGBE_VT_MSGTYPE_ACK; - - msgbuf[0] |= IXGBE_VT_MSGTYPE_CTS; - - ixgbe_write_mbx(hw, msgbuf, msg_size, vf); - - return retval; -} - -static inline void -ixgbe_rcv_ack_from_vf(struct rte_eth_dev *dev, uint16_t vf) -{ - uint32_t msg = IXGBE_VT_MSGTYPE_NACK; - struct ixgbe_hw *hw = - IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private); - struct ixgbe_vf_info *vfinfo = - *IXGBE_DEV_PRIVATE_TO_P_VFDATA(dev->data->dev_private); - - if (!vfinfo[vf].clear_to_send) - ixgbe_write_mbx(hw, &msg, 1, vf); -} - -void ixgbe_pf_mbx_process(struct rte_eth_dev *eth_dev) -{ - uint16_t vf; - struct ixgbe_hw *hw = - IXGBE_DEV_PRIVATE_TO_HW(eth_dev->data->dev_private); - - for (vf = 0; vf < dev_num_vf(eth_dev); vf++) { - /* check & process vf function level reset */ - if (!ixgbe_check_for_rst(hw, vf)) - ixgbe_vf_reset_event(eth_dev, vf); - - /* check & process vf mailbox messages */ - if (!ixgbe_check_for_msg(hw, vf)) - ixgbe_rcv_msg_from_vf(eth_dev, vf); - - /* check & process acks from vf */ - if (!ixgbe_check_for_ack(hw, vf)) - ixgbe_rcv_ack_from_vf(eth_dev, vf); - } -} |