/*-
* BSD LICENSE
*
- * Copyright(c) 2010-2013 Intel Corporation. All rights reserved.
+ * Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
#include <rte_ethdev.h>
#include <rte_atomic.h>
#include <rte_malloc.h>
+#include <rte_random.h>
+#include <rte_dev.h>
#include "ixgbe_logs.h"
#include "ixgbe/ixgbe_api.h"
#include "ixgbe/ixgbe_vf.h"
#include "ixgbe/ixgbe_common.h"
#include "ixgbe_ethdev.h"
+#include "ixgbe_bypass.h"
/*
* High threshold controlling when to start sending XOFF frames. Must be at
static int ixgbe_mirror_rule_reset(struct rte_eth_dev *dev,
uint8_t rule_id);
+static void ixgbevf_add_mac_addr(struct rte_eth_dev *dev,
+ struct ether_addr *mac_addr,
+ uint32_t index, uint32_t pool);
+static void ixgbevf_remove_mac_addr(struct rte_eth_dev *dev, uint32_t index);
+
/*
* Define VF Stats MACRO for Non "cleared on read" register
*/
.fdir_set_masks = ixgbe_fdir_set_masks,
.reta_update = ixgbe_dev_rss_reta_update,
.reta_query = ixgbe_dev_rss_reta_query,
+#ifdef RTE_NIC_BYPASS
+ .bypass_init = ixgbe_bypass_init,
+ .bypass_state_set = ixgbe_bypass_state_store,
+ .bypass_state_show = ixgbe_bypass_state_show,
+ .bypass_event_set = ixgbe_bypass_event_store,
+ .bypass_event_show = ixgbe_bypass_event_show,
+ .bypass_wd_timeout_set = ixgbe_bypass_wd_timeout_store,
+ .bypass_wd_timeout_show = ixgbe_bypass_wd_timeout_show,
+ .bypass_ver_show = ixgbe_bypass_ver_show,
+ .bypass_wd_reset = ixgbe_bypass_wd_reset,
+#endif /* RTE_NIC_BYPASS */
+ .rss_hash_update = ixgbe_dev_rss_hash_update,
};
/*
.rx_queue_release = ixgbe_dev_rx_queue_release,
.tx_queue_setup = ixgbe_dev_tx_queue_setup,
.tx_queue_release = ixgbe_dev_tx_queue_release,
+ .mac_addr_add = ixgbevf_add_mac_addr,
+ .mac_addr_remove = ixgbevf_remove_mac_addr,
};
/**
}
}
+/*
+ * Ensure that all locks are released before first NVM or PHY access
+ */
+static void
+ixgbe_swfw_lock_reset(struct ixgbe_hw *hw)
+{
+ uint16_t mask;
+
+ /*
+ * Phy lock should not fail in this early stage. If this is the case,
+ * it is due to an improper exit of the application.
+ * So force the release of the faulty lock. Release of common lock
+ * is done automatically by swfw_sync function.
+ */
+ mask = IXGBE_GSSR_PHY0_SM << hw->bus.func;
+ if (ixgbe_acquire_swfw_semaphore(hw, mask) < 0) {
+ DEBUGOUT1("SWFW phy%d lock released", hw->bus.func);
+ }
+ ixgbe_release_swfw_semaphore(hw, mask);
+
+ /*
+ * These ones are more tricky since they are common to all ports; but
+ * swfw_sync retries last long enough (1s) to be almost sure that if
+ * lock can not be taken it is due to an improper lock of the
+ * semaphore.
+ */
+ mask = IXGBE_GSSR_EEP_SM | IXGBE_GSSR_MAC_CSR_SM | IXGBE_GSSR_SW_MNG_SM;
+ if (ixgbe_acquire_swfw_semaphore(hw, mask) < 0) {
+ DEBUGOUT("SWFW common locks released");
+ }
+ ixgbe_release_swfw_semaphore(hw, mask);
+}
+
/*
* This function is based on code in ixgbe_attach() in ixgbe/ixgbe.c.
* It returns 0 on success.
#endif
/* Initialize the shared code */
+#ifdef RTE_NIC_BYPASS
+ diag = ixgbe_bypass_init_shared_code(hw);
+#else
diag = ixgbe_init_shared_code(hw);
+#endif /* RTE_NIC_BYPASS */
+
if (diag != IXGBE_SUCCESS) {
PMD_INIT_LOG(ERR, "Shared code init failed: %d", diag);
return -EIO;
}
+ /* pick up the PCI bus settings for reporting later */
+ ixgbe_get_bus_info(hw);
+
+ /* Unlock any pending hardware semaphore */
+ ixgbe_swfw_lock_reset(hw);
+
/* Initialize DCB configuration*/
memset(dcb_config, 0, sizeof(struct ixgbe_dcb_config));
ixgbe_dcb_init(hw,dcb_config);
return -EIO;
}
+#ifdef RTE_NIC_BYPASS
+ diag = ixgbe_bypass_init_hw(hw);
+#else
diag = ixgbe_init_hw(hw);
+#endif /* RTE_NIC_BYPASS */
/*
* Devices with copper phys will fail to initialise if ixgbe_init_hw()
/* disable interrupt */
ixgbe_disable_intr(hw);
- /* pick up the PCI bus settings for reporting later */
- ixgbe_get_bus_info(hw);
-
/* reset mappings for queue statistics hw counters*/
ixgbe_reset_qstat_mappings(hw);
hw->mac.num_rar_entries, 0);
if (eth_dev->data->mac_addrs == NULL) {
PMD_INIT_LOG(ERR,
- "Failed to allocate %d bytes needed to store MAC addresses",
+ "Failed to allocate %u bytes needed to store "
+ "MAC addresses",
ETHER_ADDR_LEN * hw->mac.num_rar_entries);
return -ENOMEM;
}
return 0;
}
+
+/*
+ * Negotiate mailbox API version with the PF.
+ * After reset API version is always set to the basic one (ixgbe_mbox_api_10).
+ * Then we try to negotiate starting with the most recent one.
+ * If all negotiation attempts fail, then we will proceed with
+ * the default one (ixgbe_mbox_api_10).
+ */
+static void
+ixgbevf_negotiate_api(struct ixgbe_hw *hw)
+{
+ int32_t i;
+
+ /* start with highest supported, proceed down */
+ static const enum ixgbe_pfvf_api_rev sup_ver[] = {
+ ixgbe_mbox_api_11,
+ ixgbe_mbox_api_10,
+ };
+
+ for (i = 0;
+ i != RTE_DIM(sup_ver) &&
+ ixgbevf_negotiate_api_version(hw, sup_ver[i]) != 0;
+ i++)
+ ;
+}
+
+static void
+generate_random_mac_addr(struct ether_addr *mac_addr)
+{
+ uint64_t random;
+
+ /* Set Organizationally Unique Identifier (OUI) prefix. */
+ mac_addr->addr_bytes[0] = 0x00;
+ mac_addr->addr_bytes[1] = 0x09;
+ mac_addr->addr_bytes[2] = 0xC0;
+ /* Force indication of locally assigned MAC address. */
+ mac_addr->addr_bytes[0] |= ETHER_LOCAL_ADMIN_ADDR;
+ /* Generate the last 3 bytes of the MAC address with a random number. */
+ random = rte_rand();
+ memcpy(&mac_addr->addr_bytes[3], &random, 3);
+}
+
/*
* Virtual Function device init
*/
eth_ixgbevf_dev_init(__attribute__((unused)) struct eth_driver *eth_drv,
struct rte_eth_dev *eth_dev)
{
- struct rte_pci_device *pci_dev;
- struct ixgbe_hw *hw = IXGBE_DEV_PRIVATE_TO_HW(eth_dev->data->dev_private);
int diag;
+ uint32_t tc, tcs;
+ struct rte_pci_device *pci_dev;
+ struct ixgbe_hw *hw =
+ IXGBE_DEV_PRIVATE_TO_HW(eth_dev->data->dev_private);
struct ixgbe_vfta * shadow_vfta =
IXGBE_DEV_PRIVATE_TO_VFTA(eth_dev->data->dev_private);
struct ixgbe_hwstrip *hwstrip =
IXGBE_DEV_PRIVATE_TO_HWSTRIP_BITMAP(eth_dev->data->dev_private);
+ struct ether_addr *perm_addr = (struct ether_addr *) hw->mac.perm_addr;
PMD_INIT_LOG(DEBUG, "eth_ixgbevf_dev_init");
/* Disable the interrupts for VF */
ixgbevf_intr_disable(hw);
- hw->mac.num_rar_entries = hw->mac.max_rx_queues;
+ hw->mac.num_rar_entries = 128; /* The MAX of the underlying PF */
diag = hw->mac.ops.reset_hw(hw);
- if (diag != IXGBE_SUCCESS) {
+ /*
+ * The VF reset operation returns the IXGBE_ERR_INVALID_MAC_ADDR when
+ * the underlying PF driver has not assigned a MAC address to the VF.
+ * In this case, assign a random MAC address.
+ */
+ if ((diag != IXGBE_SUCCESS) && (diag != IXGBE_ERR_INVALID_MAC_ADDR)) {
PMD_INIT_LOG(ERR, "VF Initialization Failure: %d", diag);
- RTE_LOG(ERR, PMD, "\tThe MAC address is not valid.\n"
- "\tThe most likely cause of this error is that the VM host\n"
- "\thas not assigned a valid MAC address to this VF device.\n"
- "\tPlease consult the DPDK Release Notes (FAQ section) for\n"
- "\ta possible solution to this problem.\n");
return (diag);
}
+ /* negotiate mailbox API version to use with the PF. */
+ ixgbevf_negotiate_api(hw);
+
+ /* Get Rx/Tx queue count via mailbox, which is ready after reset_hw */
+ ixgbevf_get_queues(hw, &tcs, &tc);
+
/* Allocate memory for storing MAC addresses */
eth_dev->data->mac_addrs = rte_zmalloc("ixgbevf", ETHER_ADDR_LEN *
hw->mac.num_rar_entries, 0);
if (eth_dev->data->mac_addrs == NULL) {
PMD_INIT_LOG(ERR,
- "Failed to allocate %d bytes needed to store MAC addresses",
+ "Failed to allocate %u bytes needed to store "
+ "MAC addresses",
ETHER_ADDR_LEN * hw->mac.num_rar_entries);
return -ENOMEM;
}
+ /* Generate a random MAC address, if none was assigned by PF. */
+ if (is_zero_ether_addr(perm_addr)) {
+ generate_random_mac_addr(perm_addr);
+ diag = ixgbe_set_rar_vf(hw, 1, perm_addr->addr_bytes, 0, 1);
+ if (diag) {
+ rte_free(eth_dev->data->mac_addrs);
+ eth_dev->data->mac_addrs = NULL;
+ return diag;
+ }
+ RTE_LOG(INFO, PMD,
+ "\tVF MAC address not assigned by Host PF\n"
+ "\tAssign randomly generated MAC address "
+ "%02x:%02x:%02x:%02x:%02x:%02x\n",
+ perm_addr->addr_bytes[0],
+ perm_addr->addr_bytes[1],
+ perm_addr->addr_bytes[2],
+ perm_addr->addr_bytes[3],
+ perm_addr->addr_bytes[4],
+ perm_addr->addr_bytes[5]);
+ }
+
/* Copy the permanent MAC address */
- ether_addr_copy((struct ether_addr *) hw->mac.perm_addr,
- ð_dev->data->mac_addrs[0]);
+ ether_addr_copy(perm_addr, ð_dev->data->mac_addrs[0]);
/* reset the hardware with the new settings */
diag = hw->mac.ops.start_hw(hw);
{
.name = "rte_ixgbe_pmd",
.id_table = pci_id_ixgbe_map,
-#ifdef RTE_EAL_UNBIND_PORTS
.drv_flags = RTE_PCI_DRV_NEED_IGB_UIO,
-#endif
},
.eth_dev_init = eth_ixgbe_dev_init,
.dev_private_size = sizeof(struct ixgbe_adapter),
{
.name = "rte_ixgbevf_pmd",
.id_table = pci_id_ixgbevf_map,
-#ifdef RTE_EAL_UNBIND_PORTS
.drv_flags = RTE_PCI_DRV_NEED_IGB_UIO,
-#endif
},
.eth_dev_init = eth_ixgbevf_dev_init,
.dev_private_size = sizeof(struct ixgbe_adapter),
* Invoked once at EAL init time.
* Register itself as the [Poll Mode] Driver of PCI IXGBE devices.
*/
-int
-rte_ixgbe_pmd_init(void)
+static int
+rte_ixgbe_pmd_init(const char *name __rte_unused, const char *params __rte_unused)
{
PMD_INIT_FUNC_TRACE();
* Invoked one at EAL init time.
* Register itself as the [Virtual Poll Mode] Driver of PCI niantic devices.
*/
-int
-rte_ixgbevf_pmd_init(void)
+static int
+rte_ixgbevf_pmd_init(const char *name __rte_unused, const char *param __rte_unused)
{
DEBUGFUNC("rte_ixgbevf_pmd_init");
/* IXGBE devices don't support half duplex */
if ((dev->data->dev_conf.link_duplex != ETH_LINK_AUTONEG_DUPLEX) &&
(dev->data->dev_conf.link_duplex != ETH_LINK_FULL_DUPLEX)) {
- PMD_INIT_LOG(ERR, "Invalid link_duplex (%u) for port %u\n",
+ PMD_INIT_LOG(ERR, "Invalid link_duplex (%hu) for port %hhu\n",
dev->data->dev_conf.link_duplex,
dev->data->port_id);
return -EINVAL;
/* Turn on the laser */
ixgbe_enable_tx_laser(hw);
+ /* Skip link setup if loopback mode is enabled for 82599. */
+ if (hw->mac.type == ixgbe_mac_82599EB &&
+ dev->data->dev_conf.lpbk_mode == IXGBE_LPBK_82599_TX_RX)
+ goto skip_link_setup;
+
err = ixgbe_check_link(hw, &speed, &link_up, 0);
if (err)
goto error;
speed = IXGBE_LINK_SPEED_10GB_FULL;
break;
default:
- PMD_INIT_LOG(ERR, "Invalid link_speed (%u) for port %u\n",
- dev->data->dev_conf.link_speed, dev->data->port_id);
+ PMD_INIT_LOG(ERR, "Invalid link_speed (%hu) for port %hhu\n",
+ dev->data->dev_conf.link_speed,
+ dev->data->port_id);
goto error;
}
if (err)
goto error;
+skip_link_setup:
+
/* check if lsc interrupt is enabled */
if (dev->data->dev_conf.intr_conf.lsc != 0)
ixgbe_dev_lsc_interrupt_setup(dev);
struct rte_eth_link link;
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 vf;
PMD_INIT_FUNC_TRACE();
/* stop adapter */
ixgbe_stop_adapter(hw);
+ for (vf = 0; vfinfo != NULL &&
+ vf < dev->pci_dev->max_vfs; vf++)
+ vfinfo[vf].clear_to_send = false;
+
/* Turn off the laser */
ixgbe_disable_tx_laser(hw);
stats->oerrors = 0;
+ /* XON/XOFF pause frames */
+ stats->tx_pause_xon = hw_stats->lxontxc;
+ stats->rx_pause_xon = hw_stats->lxonrxc;
+ stats->tx_pause_xoff = hw_stats->lxofftxc;
+ stats->rx_pause_xoff = hw_stats->lxoffrxc;
+
/* Flow Director Stats registers */
hw_stats->fdirmatch += IXGBE_READ_REG(hw, IXGBE_FDIRMATCH);
hw_stats->fdirmiss += IXGBE_READ_REG(hw, IXGBE_FDIRMISS);
dev_info->max_vmdq_pools = ETH_16_POOLS;
else
dev_info->max_vmdq_pools = ETH_64_POOLS;
+ dev_info->rx_offload_capa =
+ DEV_RX_OFFLOAD_VLAN_STRIP |
+ DEV_RX_OFFLOAD_IPV4_CKSUM |
+ DEV_RX_OFFLOAD_UDP_CKSUM |
+ DEV_RX_OFFLOAD_TCP_CKSUM;
+ dev_info->tx_offload_capa =
+ DEV_TX_OFFLOAD_VLAN_INSERT |
+ DEV_TX_OFFLOAD_IPV4_CKSUM |
+ DEV_TX_OFFLOAD_UDP_CKSUM |
+ DEV_TX_OFFLOAD_TCP_CKSUM |
+ DEV_TX_OFFLOAD_SCTP_CKSUM;
}
/* return 0 means link status changed, -1 means not changed */
}
/*
- * It executes link_update after knowing an interrupt occured.
+ * It executes link_update after knowing an interrupt occurred.
*
* @param dev
* Pointer to struct rte_eth_dev.
int err;
uint32_t rx_buf_size;
uint32_t max_high_water;
+ uint32_t mflcn;
enum ixgbe_fc_mode rte_fcmode_2_ixgbe_fcmode[] = {
ixgbe_fc_none,
ixgbe_fc_rx_pause,
hw->fc.send_xon = fc_conf->send_xon;
err = ixgbe_fc_enable(hw);
+
/* Not negotiated is not an error case */
if ((err == IXGBE_SUCCESS) || (err == IXGBE_ERR_FC_NOT_NEGOTIATED)) {
+
+ /* check if we want to forward MAC frames - driver doesn't have native
+ * capability to do that, so we'll write the registers ourselves */
+
+ mflcn = IXGBE_READ_REG(hw, IXGBE_MFLCN);
+
+ /* set or clear MFLCN.PMCF bit depending on configuration */
+ if (fc_conf->mac_ctrl_frame_fwd != 0)
+ mflcn |= IXGBE_MFLCN_PMCF;
+ else
+ mflcn &= ~IXGBE_MFLCN_PMCF;
+
+ IXGBE_WRITE_REG(hw, IXGBE_MFLCN, mflcn);
+ IXGBE_WRITE_FLUSH(hw);
+
return 0;
}
hw->mac.ops.reset_hw(hw);
+ /* negotiate mailbox API version to use with the PF. */
+ ixgbevf_negotiate_api(hw);
+
ixgbevf_dev_tx_init(dev);
/* This can fail when allocating mbufs for descriptor rings */
return 0;
}
+
+static void
+ixgbevf_add_mac_addr(struct rte_eth_dev *dev, struct ether_addr *mac_addr,
+ __attribute__((unused)) uint32_t index,
+ __attribute__((unused)) uint32_t pool)
+{
+ struct ixgbe_hw *hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+ int diag;
+
+ /*
+ * On a 82599 VF, adding again the same MAC addr is not an idempotent
+ * operation. Trap this case to avoid exhausting the [very limited]
+ * set of PF resources used to store VF MAC addresses.
+ */
+ if (memcmp(hw->mac.perm_addr, mac_addr, sizeof(struct ether_addr)) == 0)
+ return;
+ diag = ixgbevf_set_uc_addr_vf(hw, 2, mac_addr->addr_bytes);
+ if (diag == 0)
+ return;
+ PMD_DRV_LOG(ERR, "Unable to add MAC address - diag=%d", diag);
+}
+
+static void
+ixgbevf_remove_mac_addr(struct rte_eth_dev *dev, uint32_t index)
+{
+ struct ixgbe_hw *hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+ struct ether_addr *perm_addr = (struct ether_addr *) hw->mac.perm_addr;
+ struct ether_addr *mac_addr;
+ uint32_t i;
+ int diag;
+
+ /*
+ * The IXGBE_VF_SET_MACVLAN command of the ixgbe-pf driver does
+ * not support the deletion of a given MAC address.
+ * Instead, it imposes to delete all MAC addresses, then to add again
+ * all MAC addresses with the exception of the one to be deleted.
+ */
+ (void) ixgbevf_set_uc_addr_vf(hw, 0, NULL);
+
+ /*
+ * Add again all MAC addresses, with the exception of the deleted one
+ * and of the permanent MAC address.
+ */
+ for (i = 0, mac_addr = dev->data->mac_addrs;
+ i < hw->mac.num_rar_entries; i++, mac_addr++) {
+ /* Skip the deleted MAC address */
+ if (i == index)
+ continue;
+ /* Skip NULL MAC addresses */
+ if (is_zero_ether_addr(mac_addr))
+ continue;
+ /* Skip the permanent MAC address */
+ if (memcmp(perm_addr, mac_addr, sizeof(struct ether_addr)) == 0)
+ continue;
+ diag = ixgbevf_set_uc_addr_vf(hw, 2, mac_addr->addr_bytes);
+ if (diag != 0)
+ PMD_DRV_LOG(ERR,
+ "Adding again MAC address "
+ "%02x:%02x:%02x:%02x:%02x:%02x failed "
+ "diag=%d",
+ mac_addr->addr_bytes[0],
+ mac_addr->addr_bytes[1],
+ mac_addr->addr_bytes[2],
+ mac_addr->addr_bytes[3],
+ mac_addr->addr_bytes[4],
+ mac_addr->addr_bytes[5],
+ diag);
+ }
+}
+
+static struct rte_driver rte_ixgbe_driver = {
+ .type = PMD_PDEV,
+ .init = rte_ixgbe_pmd_init,
+};
+
+static struct rte_driver rte_ixgbevf_driver = {
+ .type = PMD_PDEV,
+ .init = rte_ixgbevf_pmd_init,
+};
+
+PMD_REGISTER_DRIVER(rte_ixgbe_driver);
+PMD_REGISTER_DRIVER(rte_ixgbevf_driver);