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linuxdebug/drivers/net/ethernet/intel/ice/ice_ethtool.c

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null pointer error
2024-07-16 15:50:57 +02:00
// SPDX-License-Identifier: GPL-2.0
/* Copyright (c) 2018, Intel Corporation. */
/* ethtool support for ice */
#include "ice.h"
#include "ice_flow.h"
#include "ice_fltr.h"
#include "ice_lib.h"
#include "ice_dcb_lib.h"
#include <net/dcbnl.h>
struct ice_stats {
char stat_string[ETH_GSTRING_LEN];
int sizeof_stat;
int stat_offset;
};
#define ICE_STAT(_type, _name, _stat) { \
.stat_string = _name, \
.sizeof_stat = sizeof_field(_type, _stat), \
.stat_offset = offsetof(_type, _stat) \
}
#define ICE_VSI_STAT(_name, _stat) \
ICE_STAT(struct ice_vsi, _name, _stat)
#define ICE_PF_STAT(_name, _stat) \
ICE_STAT(struct ice_pf, _name, _stat)
static int ice_q_stats_len(struct net_device *netdev)
{
struct ice_netdev_priv *np = netdev_priv(netdev);
return ((np->vsi->alloc_txq + np->vsi->alloc_rxq) *
(sizeof(struct ice_q_stats) / sizeof(u64)));
}
#define ICE_PF_STATS_LEN ARRAY_SIZE(ice_gstrings_pf_stats)
#define ICE_VSI_STATS_LEN ARRAY_SIZE(ice_gstrings_vsi_stats)
#define ICE_PFC_STATS_LEN ( \
(sizeof_field(struct ice_pf, stats.priority_xoff_rx) + \
sizeof_field(struct ice_pf, stats.priority_xon_rx) + \
sizeof_field(struct ice_pf, stats.priority_xoff_tx) + \
sizeof_field(struct ice_pf, stats.priority_xon_tx)) \
/ sizeof(u64))
#define ICE_ALL_STATS_LEN(n) (ICE_PF_STATS_LEN + ICE_PFC_STATS_LEN + \
ICE_VSI_STATS_LEN + ice_q_stats_len(n))
static const struct ice_stats ice_gstrings_vsi_stats[] = {
ICE_VSI_STAT("rx_unicast", eth_stats.rx_unicast),
ICE_VSI_STAT("tx_unicast", eth_stats.tx_unicast),
ICE_VSI_STAT("rx_multicast", eth_stats.rx_multicast),
ICE_VSI_STAT("tx_multicast", eth_stats.tx_multicast),
ICE_VSI_STAT("rx_broadcast", eth_stats.rx_broadcast),
ICE_VSI_STAT("tx_broadcast", eth_stats.tx_broadcast),
ICE_VSI_STAT("rx_bytes", eth_stats.rx_bytes),
ICE_VSI_STAT("tx_bytes", eth_stats.tx_bytes),
ICE_VSI_STAT("rx_dropped", eth_stats.rx_discards),
ICE_VSI_STAT("rx_unknown_protocol", eth_stats.rx_unknown_protocol),
ICE_VSI_STAT("rx_alloc_fail", rx_buf_failed),
ICE_VSI_STAT("rx_pg_alloc_fail", rx_page_failed),
ICE_VSI_STAT("tx_errors", eth_stats.tx_errors),
ICE_VSI_STAT("tx_linearize", tx_linearize),
ICE_VSI_STAT("tx_busy", tx_busy),
ICE_VSI_STAT("tx_restart", tx_restart),
};
enum ice_ethtool_test_id {
ICE_ETH_TEST_REG = 0,
ICE_ETH_TEST_EEPROM,
ICE_ETH_TEST_INTR,
ICE_ETH_TEST_LOOP,
ICE_ETH_TEST_LINK,
};
static const char ice_gstrings_test[][ETH_GSTRING_LEN] = {
"Register test (offline)",
"EEPROM test (offline)",
"Interrupt test (offline)",
"Loopback test (offline)",
"Link test (on/offline)",
};
#define ICE_TEST_LEN (sizeof(ice_gstrings_test) / ETH_GSTRING_LEN)
/* These PF_STATs might look like duplicates of some NETDEV_STATs,
* but they aren't. This device is capable of supporting multiple
* VSIs/netdevs on a single PF. The NETDEV_STATs are for individual
* netdevs whereas the PF_STATs are for the physical function that's
* hosting these netdevs.
*
* The PF_STATs are appended to the netdev stats only when ethtool -S
* is queried on the base PF netdev.
*/
static const struct ice_stats ice_gstrings_pf_stats[] = {
ICE_PF_STAT("rx_bytes.nic", stats.eth.rx_bytes),
ICE_PF_STAT("tx_bytes.nic", stats.eth.tx_bytes),
ICE_PF_STAT("rx_unicast.nic", stats.eth.rx_unicast),
ICE_PF_STAT("tx_unicast.nic", stats.eth.tx_unicast),
ICE_PF_STAT("rx_multicast.nic", stats.eth.rx_multicast),
ICE_PF_STAT("tx_multicast.nic", stats.eth.tx_multicast),
ICE_PF_STAT("rx_broadcast.nic", stats.eth.rx_broadcast),
ICE_PF_STAT("tx_broadcast.nic", stats.eth.tx_broadcast),
ICE_PF_STAT("tx_errors.nic", stats.eth.tx_errors),
ICE_PF_STAT("tx_timeout.nic", tx_timeout_count),
ICE_PF_STAT("rx_size_64.nic", stats.rx_size_64),
ICE_PF_STAT("tx_size_64.nic", stats.tx_size_64),
ICE_PF_STAT("rx_size_127.nic", stats.rx_size_127),
ICE_PF_STAT("tx_size_127.nic", stats.tx_size_127),
ICE_PF_STAT("rx_size_255.nic", stats.rx_size_255),
ICE_PF_STAT("tx_size_255.nic", stats.tx_size_255),
ICE_PF_STAT("rx_size_511.nic", stats.rx_size_511),
ICE_PF_STAT("tx_size_511.nic", stats.tx_size_511),
ICE_PF_STAT("rx_size_1023.nic", stats.rx_size_1023),
ICE_PF_STAT("tx_size_1023.nic", stats.tx_size_1023),
ICE_PF_STAT("rx_size_1522.nic", stats.rx_size_1522),
ICE_PF_STAT("tx_size_1522.nic", stats.tx_size_1522),
ICE_PF_STAT("rx_size_big.nic", stats.rx_size_big),
ICE_PF_STAT("tx_size_big.nic", stats.tx_size_big),
ICE_PF_STAT("link_xon_rx.nic", stats.link_xon_rx),
ICE_PF_STAT("link_xon_tx.nic", stats.link_xon_tx),
ICE_PF_STAT("link_xoff_rx.nic", stats.link_xoff_rx),
ICE_PF_STAT("link_xoff_tx.nic", stats.link_xoff_tx),
ICE_PF_STAT("tx_dropped_link_down.nic", stats.tx_dropped_link_down),
ICE_PF_STAT("rx_undersize.nic", stats.rx_undersize),
ICE_PF_STAT("rx_fragments.nic", stats.rx_fragments),
ICE_PF_STAT("rx_oversize.nic", stats.rx_oversize),
ICE_PF_STAT("rx_jabber.nic", stats.rx_jabber),
ICE_PF_STAT("rx_csum_bad.nic", hw_csum_rx_error),
ICE_PF_STAT("rx_length_errors.nic", stats.rx_len_errors),
ICE_PF_STAT("rx_dropped.nic", stats.eth.rx_discards),
ICE_PF_STAT("rx_crc_errors.nic", stats.crc_errors),
ICE_PF_STAT("illegal_bytes.nic", stats.illegal_bytes),
ICE_PF_STAT("mac_local_faults.nic", stats.mac_local_faults),
ICE_PF_STAT("mac_remote_faults.nic", stats.mac_remote_faults),
ICE_PF_STAT("fdir_sb_match.nic", stats.fd_sb_match),
ICE_PF_STAT("fdir_sb_status.nic", stats.fd_sb_status),
ICE_PF_STAT("tx_hwtstamp_skipped", ptp.tx_hwtstamp_skipped),
ICE_PF_STAT("tx_hwtstamp_timeouts", ptp.tx_hwtstamp_timeouts),
ICE_PF_STAT("tx_hwtstamp_flushed", ptp.tx_hwtstamp_flushed),
ICE_PF_STAT("tx_hwtstamp_discarded", ptp.tx_hwtstamp_discarded),
ICE_PF_STAT("late_cached_phc_updates", ptp.late_cached_phc_updates),
};
static const u32 ice_regs_dump_list[] = {
PFGEN_STATE,
PRTGEN_STATUS,
QRX_CTRL(0),
QINT_TQCTL(0),
QINT_RQCTL(0),
PFINT_OICR_ENA,
QRX_ITR(0),
};
struct ice_priv_flag {
char name[ETH_GSTRING_LEN];
u32 bitno; /* bit position in pf->flags */
};
#define ICE_PRIV_FLAG(_name, _bitno) { \
.name = _name, \
.bitno = _bitno, \
}
static const struct ice_priv_flag ice_gstrings_priv_flags[] = {
ICE_PRIV_FLAG("link-down-on-close", ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA),
ICE_PRIV_FLAG("fw-lldp-agent", ICE_FLAG_FW_LLDP_AGENT),
ICE_PRIV_FLAG("vf-true-promisc-support",
ICE_FLAG_VF_TRUE_PROMISC_ENA),
ICE_PRIV_FLAG("mdd-auto-reset-vf", ICE_FLAG_MDD_AUTO_RESET_VF),
ICE_PRIV_FLAG("vf-vlan-pruning", ICE_FLAG_VF_VLAN_PRUNING),
ICE_PRIV_FLAG("legacy-rx", ICE_FLAG_LEGACY_RX),
};
#define ICE_PRIV_FLAG_ARRAY_SIZE ARRAY_SIZE(ice_gstrings_priv_flags)
static void
__ice_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo,
struct ice_vsi *vsi)
{
struct ice_pf *pf = vsi->back;
struct ice_hw *hw = &pf->hw;
struct ice_orom_info *orom;
struct ice_nvm_info *nvm;
nvm = &hw->flash.nvm;
orom = &hw->flash.orom;
strscpy(drvinfo->driver, KBUILD_MODNAME, sizeof(drvinfo->driver));
/* Display NVM version (from which the firmware version can be
* determined) which contains more pertinent information.
*/
snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version),
"%x.%02x 0x%x %d.%d.%d", nvm->major, nvm->minor,
nvm->eetrack, orom->major, orom->build, orom->patch);
strscpy(drvinfo->bus_info, pci_name(pf->pdev),
sizeof(drvinfo->bus_info));
}
static void
ice_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo)
{
struct ice_netdev_priv *np = netdev_priv(netdev);
__ice_get_drvinfo(netdev, drvinfo, np->vsi);
drvinfo->n_priv_flags = ICE_PRIV_FLAG_ARRAY_SIZE;
}
static int ice_get_regs_len(struct net_device __always_unused *netdev)
{
return sizeof(ice_regs_dump_list);
}
static void
ice_get_regs(struct net_device *netdev, struct ethtool_regs *regs, void *p)
{
struct ice_netdev_priv *np = netdev_priv(netdev);
struct ice_pf *pf = np->vsi->back;
struct ice_hw *hw = &pf->hw;
u32 *regs_buf = (u32 *)p;
unsigned int i;
regs->version = 1;
for (i = 0; i < ARRAY_SIZE(ice_regs_dump_list); ++i)
regs_buf[i] = rd32(hw, ice_regs_dump_list[i]);
}
static u32 ice_get_msglevel(struct net_device *netdev)
{
struct ice_netdev_priv *np = netdev_priv(netdev);
struct ice_pf *pf = np->vsi->back;
#ifndef CONFIG_DYNAMIC_DEBUG
if (pf->hw.debug_mask)
netdev_info(netdev, "hw debug_mask: 0x%llX\n",
pf->hw.debug_mask);
#endif /* !CONFIG_DYNAMIC_DEBUG */
return pf->msg_enable;
}
static void ice_set_msglevel(struct net_device *netdev, u32 data)
{
struct ice_netdev_priv *np = netdev_priv(netdev);
struct ice_pf *pf = np->vsi->back;
#ifndef CONFIG_DYNAMIC_DEBUG
if (ICE_DBG_USER & data)
pf->hw.debug_mask = data;
else
pf->msg_enable = data;
#else
pf->msg_enable = data;
#endif /* !CONFIG_DYNAMIC_DEBUG */
}
static int ice_get_eeprom_len(struct net_device *netdev)
{
struct ice_netdev_priv *np = netdev_priv(netdev);
struct ice_pf *pf = np->vsi->back;
return (int)pf->hw.flash.flash_size;
}
static int
ice_get_eeprom(struct net_device *netdev, struct ethtool_eeprom *eeprom,
u8 *bytes)
{
struct ice_netdev_priv *np = netdev_priv(netdev);
struct ice_vsi *vsi = np->vsi;
struct ice_pf *pf = vsi->back;
struct ice_hw *hw = &pf->hw;
struct device *dev;
int ret;
u8 *buf;
dev = ice_pf_to_dev(pf);
eeprom->magic = hw->vendor_id | (hw->device_id << 16);
netdev_dbg(netdev, "GEEPROM cmd 0x%08x, offset 0x%08x, len 0x%08x\n",
eeprom->cmd, eeprom->offset, eeprom->len);
buf = kzalloc(eeprom->len, GFP_KERNEL);
if (!buf)
return -ENOMEM;
ret = ice_acquire_nvm(hw, ICE_RES_READ);
if (ret) {
dev_err(dev, "ice_acquire_nvm failed, err %d aq_err %s\n",
ret, ice_aq_str(hw->adminq.sq_last_status));
goto out;
}
ret = ice_read_flat_nvm(hw, eeprom->offset, &eeprom->len, buf,
false);
if (ret) {
dev_err(dev, "ice_read_flat_nvm failed, err %d aq_err %s\n",
ret, ice_aq_str(hw->adminq.sq_last_status));
goto release;
}
memcpy(bytes, buf, eeprom->len);
release:
ice_release_nvm(hw);
out:
kfree(buf);
return ret;
}
/**
* ice_active_vfs - check if there are any active VFs
* @pf: board private structure
*
* Returns true if an active VF is found, otherwise returns false
*/
static bool ice_active_vfs(struct ice_pf *pf)
{
bool active = false;
struct ice_vf *vf;
unsigned int bkt;
rcu_read_lock();
ice_for_each_vf_rcu(pf, bkt, vf) {
if (test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) {
active = true;
break;
}
}
rcu_read_unlock();
return active;
}
/**
* ice_link_test - perform a link test on a given net_device
* @netdev: network interface device structure
*
* This function performs one of the self-tests required by ethtool.
* Returns 0 on success, non-zero on failure.
*/
static u64 ice_link_test(struct net_device *netdev)
{
struct ice_netdev_priv *np = netdev_priv(netdev);
bool link_up = false;
int status;
netdev_info(netdev, "link test\n");
status = ice_get_link_status(np->vsi->port_info, &link_up);
if (status) {
netdev_err(netdev, "link query error, status = %d\n",
status);
return 1;
}
if (!link_up)
return 2;
return 0;
}
/**
* ice_eeprom_test - perform an EEPROM test on a given net_device
* @netdev: network interface device structure
*
* This function performs one of the self-tests required by ethtool.
* Returns 0 on success, non-zero on failure.
*/
static u64 ice_eeprom_test(struct net_device *netdev)
{
struct ice_netdev_priv *np = netdev_priv(netdev);
struct ice_pf *pf = np->vsi->back;
netdev_info(netdev, "EEPROM test\n");
return !!(ice_nvm_validate_checksum(&pf->hw));
}
/**
* ice_reg_pattern_test
* @hw: pointer to the HW struct
* @reg: reg to be tested
* @mask: bits to be touched
*/
static int ice_reg_pattern_test(struct ice_hw *hw, u32 reg, u32 mask)
{
struct ice_pf *pf = (struct ice_pf *)hw->back;
struct device *dev = ice_pf_to_dev(pf);
static const u32 patterns[] = {
0x5A5A5A5A, 0xA5A5A5A5,
0x00000000, 0xFFFFFFFF
};
u32 val, orig_val;
unsigned int i;
orig_val = rd32(hw, reg);
for (i = 0; i < ARRAY_SIZE(patterns); ++i) {
u32 pattern = patterns[i] & mask;
wr32(hw, reg, pattern);
val = rd32(hw, reg);
if (val == pattern)
continue;
dev_err(dev, "%s: reg pattern test failed - reg 0x%08x pat 0x%08x val 0x%08x\n"
, __func__, reg, pattern, val);
return 1;
}
wr32(hw, reg, orig_val);
val = rd32(hw, reg);
if (val != orig_val) {
dev_err(dev, "%s: reg restore test failed - reg 0x%08x orig 0x%08x val 0x%08x\n"
, __func__, reg, orig_val, val);
return 1;
}
return 0;
}
/**
* ice_reg_test - perform a register test on a given net_device
* @netdev: network interface device structure
*
* This function performs one of the self-tests required by ethtool.
* Returns 0 on success, non-zero on failure.
*/
static u64 ice_reg_test(struct net_device *netdev)
{
struct ice_netdev_priv *np = netdev_priv(netdev);
struct ice_hw *hw = np->vsi->port_info->hw;
u32 int_elements = hw->func_caps.common_cap.num_msix_vectors ?
hw->func_caps.common_cap.num_msix_vectors - 1 : 1;
struct ice_diag_reg_test_info {
u32 address;
u32 mask;
u32 elem_num;
u32 elem_size;
} ice_reg_list[] = {
{GLINT_ITR(0, 0), 0x00000fff, int_elements,
GLINT_ITR(0, 1) - GLINT_ITR(0, 0)},
{GLINT_ITR(1, 0), 0x00000fff, int_elements,
GLINT_ITR(1, 1) - GLINT_ITR(1, 0)},
{GLINT_ITR(0, 0), 0x00000fff, int_elements,
GLINT_ITR(2, 1) - GLINT_ITR(2, 0)},
{GLINT_CTL, 0xffff0001, 1, 0}
};
unsigned int i;
netdev_dbg(netdev, "Register test\n");
for (i = 0; i < ARRAY_SIZE(ice_reg_list); ++i) {
u32 j;
for (j = 0; j < ice_reg_list[i].elem_num; ++j) {
u32 mask = ice_reg_list[i].mask;
u32 reg = ice_reg_list[i].address +
(j * ice_reg_list[i].elem_size);
/* bail on failure (non-zero return) */
if (ice_reg_pattern_test(hw, reg, mask))
return 1;
}
}
return 0;
}
/**
* ice_lbtest_prepare_rings - configure Tx/Rx test rings
* @vsi: pointer to the VSI structure
*
* Function configures rings of a VSI for loopback test without
* enabling interrupts or informing the kernel about new queues.
*
* Returns 0 on success, negative on failure.
*/
static int ice_lbtest_prepare_rings(struct ice_vsi *vsi)
{
int status;
status = ice_vsi_setup_tx_rings(vsi);
if (status)
goto err_setup_tx_ring;
status = ice_vsi_setup_rx_rings(vsi);
if (status)
goto err_setup_rx_ring;
status = ice_vsi_cfg(vsi);
if (status)
goto err_setup_rx_ring;
status = ice_vsi_start_all_rx_rings(vsi);
if (status)
goto err_start_rx_ring;
return status;
err_start_rx_ring:
ice_vsi_free_rx_rings(vsi);
err_setup_rx_ring:
ice_vsi_stop_lan_tx_rings(vsi, ICE_NO_RESET, 0);
err_setup_tx_ring:
ice_vsi_free_tx_rings(vsi);
return status;
}
/**
* ice_lbtest_disable_rings - disable Tx/Rx test rings after loopback test
* @vsi: pointer to the VSI structure
*
* Function stops and frees VSI rings after a loopback test.
* Returns 0 on success, negative on failure.
*/
static int ice_lbtest_disable_rings(struct ice_vsi *vsi)
{
int status;
status = ice_vsi_stop_lan_tx_rings(vsi, ICE_NO_RESET, 0);
if (status)
netdev_err(vsi->netdev, "Failed to stop Tx rings, VSI %d error %d\n",
vsi->vsi_num, status);
status = ice_vsi_stop_all_rx_rings(vsi);
if (status)
netdev_err(vsi->netdev, "Failed to stop Rx rings, VSI %d error %d\n",
vsi->vsi_num, status);
ice_vsi_free_tx_rings(vsi);
ice_vsi_free_rx_rings(vsi);
return status;
}
/**
* ice_lbtest_create_frame - create test packet
* @pf: pointer to the PF structure
* @ret_data: allocated frame buffer
* @size: size of the packet data
*
* Function allocates a frame with a test pattern on specific offsets.
* Returns 0 on success, non-zero on failure.
*/
static int ice_lbtest_create_frame(struct ice_pf *pf, u8 **ret_data, u16 size)
{
u8 *data;
if (!pf)
return -EINVAL;
data = devm_kzalloc(ice_pf_to_dev(pf), size, GFP_KERNEL);
if (!data)
return -ENOMEM;
/* Since the ethernet test frame should always be at least
* 64 bytes long, fill some octets in the payload with test data.
*/
memset(data, 0xFF, size);
data[32] = 0xDE;
data[42] = 0xAD;
data[44] = 0xBE;
data[46] = 0xEF;
*ret_data = data;
return 0;
}
/**
* ice_lbtest_check_frame - verify received loopback frame
* @frame: pointer to the raw packet data
*
* Function verifies received test frame with a pattern.
* Returns true if frame matches the pattern, false otherwise.
*/
static bool ice_lbtest_check_frame(u8 *frame)
{
/* Validate bytes of a frame under offsets chosen earlier */
if (frame[32] == 0xDE &&
frame[42] == 0xAD &&
frame[44] == 0xBE &&
frame[46] == 0xEF &&
frame[48] == 0xFF)
return true;
return false;
}
/**
* ice_diag_send - send test frames to the test ring
* @tx_ring: pointer to the transmit ring
* @data: pointer to the raw packet data
* @size: size of the packet to send
*
* Function sends loopback packets on a test Tx ring.
*/
static int ice_diag_send(struct ice_tx_ring *tx_ring, u8 *data, u16 size)
{
struct ice_tx_desc *tx_desc;
struct ice_tx_buf *tx_buf;
dma_addr_t dma;
u64 td_cmd;
tx_desc = ICE_TX_DESC(tx_ring, tx_ring->next_to_use);
tx_buf = &tx_ring->tx_buf[tx_ring->next_to_use];
dma = dma_map_single(tx_ring->dev, data, size, DMA_TO_DEVICE);
if (dma_mapping_error(tx_ring->dev, dma))
return -EINVAL;
tx_desc->buf_addr = cpu_to_le64(dma);
/* These flags are required for a descriptor to be pushed out */
td_cmd = (u64)(ICE_TX_DESC_CMD_EOP | ICE_TX_DESC_CMD_RS);
tx_desc->cmd_type_offset_bsz =
cpu_to_le64(ICE_TX_DESC_DTYPE_DATA |
(td_cmd << ICE_TXD_QW1_CMD_S) |
((u64)0 << ICE_TXD_QW1_OFFSET_S) |
((u64)size << ICE_TXD_QW1_TX_BUF_SZ_S) |
((u64)0 << ICE_TXD_QW1_L2TAG1_S));
tx_buf->next_to_watch = tx_desc;
/* Force memory write to complete before letting h/w know
* there are new descriptors to fetch.
*/
wmb();
tx_ring->next_to_use++;
if (tx_ring->next_to_use >= tx_ring->count)
tx_ring->next_to_use = 0;
writel_relaxed(tx_ring->next_to_use, tx_ring->tail);
/* Wait until the packets get transmitted to the receive queue. */
usleep_range(1000, 2000);
dma_unmap_single(tx_ring->dev, dma, size, DMA_TO_DEVICE);
return 0;
}
#define ICE_LB_FRAME_SIZE 64
/**
* ice_lbtest_receive_frames - receive and verify test frames
* @rx_ring: pointer to the receive ring
*
* Function receives loopback packets and verify their correctness.
* Returns number of received valid frames.
*/
static int ice_lbtest_receive_frames(struct ice_rx_ring *rx_ring)
{
struct ice_rx_buf *rx_buf;
int valid_frames, i;
u8 *received_buf;
valid_frames = 0;
for (i = 0; i < rx_ring->count; i++) {
union ice_32b_rx_flex_desc *rx_desc;
rx_desc = ICE_RX_DESC(rx_ring, i);
if (!(rx_desc->wb.status_error0 &
(cpu_to_le16(BIT(ICE_RX_FLEX_DESC_STATUS0_DD_S)) |
cpu_to_le16(BIT(ICE_RX_FLEX_DESC_STATUS0_EOF_S)))))
continue;
rx_buf = &rx_ring->rx_buf[i];
received_buf = page_address(rx_buf->page) + rx_buf->page_offset;
if (ice_lbtest_check_frame(received_buf))
valid_frames++;
}
return valid_frames;
}
/**
* ice_loopback_test - perform a loopback test on a given net_device
* @netdev: network interface device structure
*
* This function performs one of the self-tests required by ethtool.
* Returns 0 on success, non-zero on failure.
*/
static u64 ice_loopback_test(struct net_device *netdev)
{
struct ice_netdev_priv *np = netdev_priv(netdev);
struct ice_vsi *orig_vsi = np->vsi, *test_vsi;
struct ice_pf *pf = orig_vsi->back;
u8 broadcast[ETH_ALEN], ret = 0;
int num_frames, valid_frames;
struct ice_tx_ring *tx_ring;
struct ice_rx_ring *rx_ring;
struct device *dev;
u8 *tx_frame;
int i;
dev = ice_pf_to_dev(pf);
netdev_info(netdev, "loopback test\n");
test_vsi = ice_lb_vsi_setup(pf, pf->hw.port_info);
if (!test_vsi) {
netdev_err(netdev, "Failed to create a VSI for the loopback test\n");
return 1;
}
test_vsi->netdev = netdev;
tx_ring = test_vsi->tx_rings[0];
rx_ring = test_vsi->rx_rings[0];
if (ice_lbtest_prepare_rings(test_vsi)) {
ret = 2;
goto lbtest_vsi_close;
}
if (ice_alloc_rx_bufs(rx_ring, rx_ring->count)) {
ret = 3;
goto lbtest_rings_dis;
}
/* Enable MAC loopback in firmware */
if (ice_aq_set_mac_loopback(&pf->hw, true, NULL)) {
ret = 4;
goto lbtest_mac_dis;
}
/* Test VSI needs to receive broadcast packets */
eth_broadcast_addr(broadcast);
if (ice_fltr_add_mac(test_vsi, broadcast, ICE_FWD_TO_VSI)) {
ret = 5;
goto lbtest_mac_dis;
}
if (ice_lbtest_create_frame(pf, &tx_frame, ICE_LB_FRAME_SIZE)) {
ret = 7;
goto remove_mac_filters;
}
num_frames = min_t(int, tx_ring->count, 32);
for (i = 0; i < num_frames; i++) {
if (ice_diag_send(tx_ring, tx_frame, ICE_LB_FRAME_SIZE)) {
ret = 8;
goto lbtest_free_frame;
}
}
valid_frames = ice_lbtest_receive_frames(rx_ring);
if (!valid_frames)
ret = 9;
else if (valid_frames != num_frames)
ret = 10;
lbtest_free_frame:
devm_kfree(dev, tx_frame);
remove_mac_filters:
if (ice_fltr_remove_mac(test_vsi, broadcast, ICE_FWD_TO_VSI))
netdev_err(netdev, "Could not remove MAC filter for the test VSI\n");
lbtest_mac_dis:
/* Disable MAC loopback after the test is completed. */
if (ice_aq_set_mac_loopback(&pf->hw, false, NULL))
netdev_err(netdev, "Could not disable MAC loopback\n");
lbtest_rings_dis:
if (ice_lbtest_disable_rings(test_vsi))
netdev_err(netdev, "Could not disable test rings\n");
lbtest_vsi_close:
test_vsi->netdev = NULL;
if (ice_vsi_release(test_vsi))
netdev_err(netdev, "Failed to remove the test VSI\n");
return ret;
}
/**
* ice_intr_test - perform an interrupt test on a given net_device
* @netdev: network interface device structure
*
* This function performs one of the self-tests required by ethtool.
* Returns 0 on success, non-zero on failure.
*/
static u64 ice_intr_test(struct net_device *netdev)
{
struct ice_netdev_priv *np = netdev_priv(netdev);
struct ice_pf *pf = np->vsi->back;
u16 swic_old = pf->sw_int_count;
netdev_info(netdev, "interrupt test\n");
wr32(&pf->hw, GLINT_DYN_CTL(pf->oicr_idx),
GLINT_DYN_CTL_SW_ITR_INDX_M |
GLINT_DYN_CTL_INTENA_MSK_M |
GLINT_DYN_CTL_SWINT_TRIG_M);
usleep_range(1000, 2000);
return (swic_old == pf->sw_int_count);
}
/**
* ice_self_test - handler function for performing a self-test by ethtool
* @netdev: network interface device structure
* @eth_test: ethtool_test structure
* @data: required by ethtool.self_test
*
* This function is called after invoking 'ethtool -t devname' command where
* devname is the name of the network device on which ethtool should operate.
* It performs a set of self-tests to check if a device works properly.
*/
static void
ice_self_test(struct net_device *netdev, struct ethtool_test *eth_test,
u64 *data)
{
struct ice_netdev_priv *np = netdev_priv(netdev);
bool if_running = netif_running(netdev);
struct ice_pf *pf = np->vsi->back;
struct device *dev;
dev = ice_pf_to_dev(pf);
if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
netdev_info(netdev, "offline testing starting\n");
set_bit(ICE_TESTING, pf->state);
if (ice_active_vfs(pf)) {
dev_warn(dev, "Please take active VFs and Netqueues offline and restart the adapter before running NIC diagnostics\n");
data[ICE_ETH_TEST_REG] = 1;
data[ICE_ETH_TEST_EEPROM] = 1;
data[ICE_ETH_TEST_INTR] = 1;
data[ICE_ETH_TEST_LOOP] = 1;
data[ICE_ETH_TEST_LINK] = 1;
eth_test->flags |= ETH_TEST_FL_FAILED;
clear_bit(ICE_TESTING, pf->state);
goto skip_ol_tests;
}
/* If the device is online then take it offline */
if (if_running)
/* indicate we're in test mode */
ice_stop(netdev);
data[ICE_ETH_TEST_LINK] = ice_link_test(netdev);
data[ICE_ETH_TEST_EEPROM] = ice_eeprom_test(netdev);
data[ICE_ETH_TEST_INTR] = ice_intr_test(netdev);
data[ICE_ETH_TEST_LOOP] = ice_loopback_test(netdev);
data[ICE_ETH_TEST_REG] = ice_reg_test(netdev);
if (data[ICE_ETH_TEST_LINK] ||
data[ICE_ETH_TEST_EEPROM] ||
data[ICE_ETH_TEST_LOOP] ||
data[ICE_ETH_TEST_INTR] ||
data[ICE_ETH_TEST_REG])
eth_test->flags |= ETH_TEST_FL_FAILED;
clear_bit(ICE_TESTING, pf->state);
if (if_running) {
int status = ice_open(netdev);
if (status) {
dev_err(dev, "Could not open device %s, err %d\n",
pf->int_name, status);
}
}
} else {
/* Online tests */
netdev_info(netdev, "online testing starting\n");
data[ICE_ETH_TEST_LINK] = ice_link_test(netdev);
if (data[ICE_ETH_TEST_LINK])
eth_test->flags |= ETH_TEST_FL_FAILED;
/* Offline only tests, not run in online; pass by default */
data[ICE_ETH_TEST_REG] = 0;
data[ICE_ETH_TEST_EEPROM] = 0;
data[ICE_ETH_TEST_INTR] = 0;
data[ICE_ETH_TEST_LOOP] = 0;
}
skip_ol_tests:
netdev_info(netdev, "testing finished\n");
}
static void
__ice_get_strings(struct net_device *netdev, u32 stringset, u8 *data,
struct ice_vsi *vsi)
{
unsigned int i;
u8 *p = data;
switch (stringset) {
case ETH_SS_STATS:
for (i = 0; i < ICE_VSI_STATS_LEN; i++)
ethtool_sprintf(&p,
ice_gstrings_vsi_stats[i].stat_string);
if (ice_is_port_repr_netdev(netdev))
return;
ice_for_each_alloc_txq(vsi, i) {
ethtool_sprintf(&p, "tx_queue_%u_packets", i);
ethtool_sprintf(&p, "tx_queue_%u_bytes", i);
}
ice_for_each_alloc_rxq(vsi, i) {
ethtool_sprintf(&p, "rx_queue_%u_packets", i);
ethtool_sprintf(&p, "rx_queue_%u_bytes", i);
}
if (vsi->type != ICE_VSI_PF)
return;
for (i = 0; i < ICE_PF_STATS_LEN; i++)
ethtool_sprintf(&p,
ice_gstrings_pf_stats[i].stat_string);
for (i = 0; i < ICE_MAX_USER_PRIORITY; i++) {
ethtool_sprintf(&p, "tx_priority_%u_xon.nic", i);
ethtool_sprintf(&p, "tx_priority_%u_xoff.nic", i);
}
for (i = 0; i < ICE_MAX_USER_PRIORITY; i++) {
ethtool_sprintf(&p, "rx_priority_%u_xon.nic", i);
ethtool_sprintf(&p, "rx_priority_%u_xoff.nic", i);
}
break;
case ETH_SS_TEST:
memcpy(data, ice_gstrings_test, ICE_TEST_LEN * ETH_GSTRING_LEN);
break;
case ETH_SS_PRIV_FLAGS:
for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++)
ethtool_sprintf(&p, ice_gstrings_priv_flags[i].name);
break;
default:
break;
}
}
static void ice_get_strings(struct net_device *netdev, u32 stringset, u8 *data)
{
struct ice_netdev_priv *np = netdev_priv(netdev);
__ice_get_strings(netdev, stringset, data, np->vsi);
}
static int
ice_set_phys_id(struct net_device *netdev, enum ethtool_phys_id_state state)
{
struct ice_netdev_priv *np = netdev_priv(netdev);
bool led_active;
switch (state) {
case ETHTOOL_ID_ACTIVE:
led_active = true;
break;
case ETHTOOL_ID_INACTIVE:
led_active = false;
break;
default:
return -EINVAL;
}
if (ice_aq_set_port_id_led(np->vsi->port_info, !led_active, NULL))
return -EIO;
return 0;
}
/**
* ice_set_fec_cfg - Set link FEC options
* @netdev: network interface device structure
* @req_fec: FEC mode to configure
*/
static int ice_set_fec_cfg(struct net_device *netdev, enum ice_fec_mode req_fec)
{
struct ice_netdev_priv *np = netdev_priv(netdev);
struct ice_aqc_set_phy_cfg_data config = { 0 };
struct ice_vsi *vsi = np->vsi;
struct ice_port_info *pi;
pi = vsi->port_info;
if (!pi)
return -EOPNOTSUPP;
/* Changing the FEC parameters is not supported if not the PF VSI */
if (vsi->type != ICE_VSI_PF) {
netdev_info(netdev, "Changing FEC parameters only supported for PF VSI\n");
return -EOPNOTSUPP;
}
/* Proceed only if requesting different FEC mode */
if (pi->phy.curr_user_fec_req == req_fec)
return 0;
/* Copy the current user PHY configuration. The current user PHY
* configuration is initialized during probe from PHY capabilities
* software mode, and updated on set PHY configuration.
*/
memcpy(&config, &pi->phy.curr_user_phy_cfg, sizeof(config));
ice_cfg_phy_fec(pi, &config, req_fec);
config.caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT;
if (ice_aq_set_phy_cfg(pi->hw, pi, &config, NULL))
return -EAGAIN;
/* Save requested FEC config */
pi->phy.curr_user_fec_req = req_fec;
return 0;
}
/**
* ice_set_fecparam - Set FEC link options
* @netdev: network interface device structure
* @fecparam: Ethtool structure to retrieve FEC parameters
*/
static int
ice_set_fecparam(struct net_device *netdev, struct ethtool_fecparam *fecparam)
{
struct ice_netdev_priv *np = netdev_priv(netdev);
struct ice_vsi *vsi = np->vsi;
enum ice_fec_mode fec;
switch (fecparam->fec) {
case ETHTOOL_FEC_AUTO:
fec = ICE_FEC_AUTO;
break;
case ETHTOOL_FEC_RS:
fec = ICE_FEC_RS;
break;
case ETHTOOL_FEC_BASER:
fec = ICE_FEC_BASER;
break;
case ETHTOOL_FEC_OFF:
case ETHTOOL_FEC_NONE:
fec = ICE_FEC_NONE;
break;
default:
dev_warn(ice_pf_to_dev(vsi->back), "Unsupported FEC mode: %d\n",
fecparam->fec);
return -EINVAL;
}
return ice_set_fec_cfg(netdev, fec);
}
/**
* ice_get_fecparam - Get link FEC options
* @netdev: network interface device structure
* @fecparam: Ethtool structure to retrieve FEC parameters
*/
static int
ice_get_fecparam(struct net_device *netdev, struct ethtool_fecparam *fecparam)
{
struct ice_netdev_priv *np = netdev_priv(netdev);
struct ice_aqc_get_phy_caps_data *caps;
struct ice_link_status *link_info;
struct ice_vsi *vsi = np->vsi;
struct ice_port_info *pi;
int err;
pi = vsi->port_info;
if (!pi)
return -EOPNOTSUPP;
link_info = &pi->phy.link_info;
/* Set FEC mode based on negotiated link info */
switch (link_info->fec_info) {
case ICE_AQ_LINK_25G_KR_FEC_EN:
fecparam->active_fec = ETHTOOL_FEC_BASER;
break;
case ICE_AQ_LINK_25G_RS_528_FEC_EN:
case ICE_AQ_LINK_25G_RS_544_FEC_EN:
fecparam->active_fec = ETHTOOL_FEC_RS;
break;
default:
fecparam->active_fec = ETHTOOL_FEC_OFF;
break;
}
caps = kzalloc(sizeof(*caps), GFP_KERNEL);
if (!caps)
return -ENOMEM;
err = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_TOPO_CAP_MEDIA,
caps, NULL);
if (err)
goto done;
/* Set supported/configured FEC modes based on PHY capability */
if (caps->caps & ICE_AQC_PHY_EN_AUTO_FEC)
fecparam->fec |= ETHTOOL_FEC_AUTO;
if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_EN ||
caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_REQ ||
caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_CLAUSE74_EN ||
caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_REQ)
fecparam->fec |= ETHTOOL_FEC_BASER;
if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_528_REQ ||
caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_544_REQ ||
caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_CLAUSE91_EN)
fecparam->fec |= ETHTOOL_FEC_RS;
if (caps->link_fec_options == 0)
fecparam->fec |= ETHTOOL_FEC_OFF;
done:
kfree(caps);
return err;
}
/**
* ice_nway_reset - restart autonegotiation
* @netdev: network interface device structure
*/
static int ice_nway_reset(struct net_device *netdev)
{
struct ice_netdev_priv *np = netdev_priv(netdev);
struct ice_vsi *vsi = np->vsi;
int err;
/* If VSI state is up, then restart autoneg with link up */
if (!test_bit(ICE_DOWN, vsi->back->state))
err = ice_set_link(vsi, true);
else
err = ice_set_link(vsi, false);
return err;
}
/**
* ice_get_priv_flags - report device private flags
* @netdev: network interface device structure
*
* The get string set count and the string set should be matched for each
* flag returned. Add new strings for each flag to the ice_gstrings_priv_flags
* array.
*
* Returns a u32 bitmap of flags.
*/
static u32 ice_get_priv_flags(struct net_device *netdev)
{
struct ice_netdev_priv *np = netdev_priv(netdev);
struct ice_vsi *vsi = np->vsi;
struct ice_pf *pf = vsi->back;
u32 i, ret_flags = 0;
for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++) {
const struct ice_priv_flag *priv_flag;
priv_flag = &ice_gstrings_priv_flags[i];
if (test_bit(priv_flag->bitno, pf->flags))
ret_flags |= BIT(i);
}
return ret_flags;
}
/**
* ice_set_priv_flags - set private flags
* @netdev: network interface device structure
* @flags: bit flags to be set
*/
static int ice_set_priv_flags(struct net_device *netdev, u32 flags)
{
struct ice_netdev_priv *np = netdev_priv(netdev);
DECLARE_BITMAP(change_flags, ICE_PF_FLAGS_NBITS);
DECLARE_BITMAP(orig_flags, ICE_PF_FLAGS_NBITS);
struct ice_vsi *vsi = np->vsi;
struct ice_pf *pf = vsi->back;
struct device *dev;
int ret = 0;
u32 i;
if (flags > BIT(ICE_PRIV_FLAG_ARRAY_SIZE))
return -EINVAL;
dev = ice_pf_to_dev(pf);
set_bit(ICE_FLAG_ETHTOOL_CTXT, pf->flags);
bitmap_copy(orig_flags, pf->flags, ICE_PF_FLAGS_NBITS);
for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++) {
const struct ice_priv_flag *priv_flag;
priv_flag = &ice_gstrings_priv_flags[i];
if (flags & BIT(i))
set_bit(priv_flag->bitno, pf->flags);
else
clear_bit(priv_flag->bitno, pf->flags);
}
bitmap_xor(change_flags, pf->flags, orig_flags, ICE_PF_FLAGS_NBITS);
/* Do not allow change to link-down-on-close when Total Port Shutdown
* is enabled.
*/
if (test_bit(ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA, change_flags) &&
test_bit(ICE_FLAG_TOTAL_PORT_SHUTDOWN_ENA, pf->flags)) {
dev_err(dev, "Setting link-down-on-close not supported on this port\n");
set_bit(ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA, pf->flags);
ret = -EINVAL;
goto ethtool_exit;
}
if (test_bit(ICE_FLAG_FW_LLDP_AGENT, change_flags)) {
if (!test_bit(ICE_FLAG_FW_LLDP_AGENT, pf->flags)) {
int status;
/* Disable FW LLDP engine */
status = ice_cfg_lldp_mib_change(&pf->hw, false);
/* If unregistering for LLDP events fails, this is
* not an error state, as there shouldn't be any
* events to respond to.
*/
if (status)
dev_info(dev, "Failed to unreg for LLDP events\n");
/* The AQ call to stop the FW LLDP agent will generate
* an error if the agent is already stopped.
*/
status = ice_aq_stop_lldp(&pf->hw, true, true, NULL);
if (status)
dev_warn(dev, "Fail to stop LLDP agent\n");
/* Use case for having the FW LLDP agent stopped
* will likely not need DCB, so failure to init is
* not a concern of ethtool
*/
status = ice_init_pf_dcb(pf, true);
if (status)
dev_warn(dev, "Fail to init DCB\n");
pf->dcbx_cap &= ~DCB_CAP_DCBX_LLD_MANAGED;
pf->dcbx_cap |= DCB_CAP_DCBX_HOST;
} else {
bool dcbx_agent_status;
int status;
if (ice_get_pfc_mode(pf) == ICE_QOS_MODE_DSCP) {
clear_bit(ICE_FLAG_FW_LLDP_AGENT, pf->flags);
dev_err(dev, "QoS in L3 DSCP mode, FW Agent not allowed to start\n");
ret = -EOPNOTSUPP;
goto ethtool_exit;
}
/* Remove rule to direct LLDP packets to default VSI.
* The FW LLDP engine will now be consuming them.
*/
ice_cfg_sw_lldp(vsi, false, false);
/* AQ command to start FW LLDP agent will return an
* error if the agent is already started
*/
status = ice_aq_start_lldp(&pf->hw, true, NULL);
if (status)
dev_warn(dev, "Fail to start LLDP Agent\n");
/* AQ command to start FW DCBX agent will fail if
* the agent is already started
*/
status = ice_aq_start_stop_dcbx(&pf->hw, true,
&dcbx_agent_status,
NULL);
if (status)
dev_dbg(dev, "Failed to start FW DCBX\n");
dev_info(dev, "FW DCBX agent is %s\n",
dcbx_agent_status ? "ACTIVE" : "DISABLED");
/* Failure to configure MIB change or init DCB is not
* relevant to ethtool. Print notification that
* registration/init failed but do not return error
* state to ethtool
*/
status = ice_init_pf_dcb(pf, true);
if (status)
dev_dbg(dev, "Fail to init DCB\n");
/* Register for MIB change events */
status = ice_cfg_lldp_mib_change(&pf->hw, true);
if (status)
dev_dbg(dev, "Fail to enable MIB change events\n");
pf->dcbx_cap &= ~DCB_CAP_DCBX_HOST;
pf->dcbx_cap |= DCB_CAP_DCBX_LLD_MANAGED;
ice_nway_reset(netdev);
}
}
if (test_bit(ICE_FLAG_LEGACY_RX, change_flags)) {
/* down and up VSI so that changes of Rx cfg are reflected. */
ice_down_up(vsi);
}
/* don't allow modification of this flag when a single VF is in
* promiscuous mode because it's not supported
*/
if (test_bit(ICE_FLAG_VF_TRUE_PROMISC_ENA, change_flags) &&
ice_is_any_vf_in_unicast_promisc(pf)) {
dev_err(dev, "Changing vf-true-promisc-support flag while VF(s) are in promiscuous mode not supported\n");
/* toggle bit back to previous state */
change_bit(ICE_FLAG_VF_TRUE_PROMISC_ENA, pf->flags);
ret = -EAGAIN;
}
if (test_bit(ICE_FLAG_VF_VLAN_PRUNING, change_flags) &&
ice_has_vfs(pf)) {
dev_err(dev, "vf-vlan-pruning: VLAN pruning cannot be changed while VFs are active.\n");
/* toggle bit back to previous state */
change_bit(ICE_FLAG_VF_VLAN_PRUNING, pf->flags);
ret = -EOPNOTSUPP;
}
ethtool_exit:
clear_bit(ICE_FLAG_ETHTOOL_CTXT, pf->flags);
return ret;
}
static int ice_get_sset_count(struct net_device *netdev, int sset)
{
switch (sset) {
case ETH_SS_STATS:
/* The number (and order) of strings reported *must* remain
* constant for a given netdevice. This function must not
* report a different number based on run time parameters
* (such as the number of queues in use, or the setting of
* a private ethtool flag). This is due to the nature of the
* ethtool stats API.
*
* Userspace programs such as ethtool must make 3 separate
* ioctl requests, one for size, one for the strings, and
* finally one for the stats. Since these cross into
* userspace, changes to the number or size could result in
* undefined memory access or incorrect string<->value
* correlations for statistics.
*
* Even if it appears to be safe, changes to the size or
* order of strings will suffer from race conditions and are
* not safe.
*/
return ICE_ALL_STATS_LEN(netdev);
case ETH_SS_TEST:
return ICE_TEST_LEN;
case ETH_SS_PRIV_FLAGS:
return ICE_PRIV_FLAG_ARRAY_SIZE;
default:
return -EOPNOTSUPP;
}
}
static void
__ice_get_ethtool_stats(struct net_device *netdev,
struct ethtool_stats __always_unused *stats, u64 *data,
struct ice_vsi *vsi)
{
struct ice_pf *pf = vsi->back;
struct ice_tx_ring *tx_ring;
struct ice_rx_ring *rx_ring;
unsigned int j;
int i = 0;
char *p;
ice_update_pf_stats(pf);
ice_update_vsi_stats(vsi);
for (j = 0; j < ICE_VSI_STATS_LEN; j++) {
p = (char *)vsi + ice_gstrings_vsi_stats[j].stat_offset;
data[i++] = (ice_gstrings_vsi_stats[j].sizeof_stat ==
sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
}
if (ice_is_port_repr_netdev(netdev))
return;
/* populate per queue stats */
rcu_read_lock();
ice_for_each_alloc_txq(vsi, j) {
tx_ring = READ_ONCE(vsi->tx_rings[j]);
if (tx_ring) {
data[i++] = tx_ring->stats.pkts;
data[i++] = tx_ring->stats.bytes;
} else {
data[i++] = 0;
data[i++] = 0;
}
}
ice_for_each_alloc_rxq(vsi, j) {
rx_ring = READ_ONCE(vsi->rx_rings[j]);
if (rx_ring) {
data[i++] = rx_ring->stats.pkts;
data[i++] = rx_ring->stats.bytes;
} else {
data[i++] = 0;
data[i++] = 0;
}
}
rcu_read_unlock();
if (vsi->type != ICE_VSI_PF)
return;
for (j = 0; j < ICE_PF_STATS_LEN; j++) {
p = (char *)pf + ice_gstrings_pf_stats[j].stat_offset;
data[i++] = (ice_gstrings_pf_stats[j].sizeof_stat ==
sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
}
for (j = 0; j < ICE_MAX_USER_PRIORITY; j++) {
data[i++] = pf->stats.priority_xon_tx[j];
data[i++] = pf->stats.priority_xoff_tx[j];
}
for (j = 0; j < ICE_MAX_USER_PRIORITY; j++) {
data[i++] = pf->stats.priority_xon_rx[j];
data[i++] = pf->stats.priority_xoff_rx[j];
}
}
static void
ice_get_ethtool_stats(struct net_device *netdev,
struct ethtool_stats __always_unused *stats, u64 *data)
{
struct ice_netdev_priv *np = netdev_priv(netdev);
__ice_get_ethtool_stats(netdev, stats, data, np->vsi);
}
#define ICE_PHY_TYPE_LOW_MASK_MIN_1G (ICE_PHY_TYPE_LOW_100BASE_TX | \
ICE_PHY_TYPE_LOW_100M_SGMII)
#define ICE_PHY_TYPE_LOW_MASK_MIN_25G (ICE_PHY_TYPE_LOW_MASK_MIN_1G | \
ICE_PHY_TYPE_LOW_1000BASE_T | \
ICE_PHY_TYPE_LOW_1000BASE_SX | \
ICE_PHY_TYPE_LOW_1000BASE_LX | \
ICE_PHY_TYPE_LOW_1000BASE_KX | \
ICE_PHY_TYPE_LOW_1G_SGMII | \
ICE_PHY_TYPE_LOW_2500BASE_T | \
ICE_PHY_TYPE_LOW_2500BASE_X | \
ICE_PHY_TYPE_LOW_2500BASE_KX | \
ICE_PHY_TYPE_LOW_5GBASE_T | \
ICE_PHY_TYPE_LOW_5GBASE_KR | \
ICE_PHY_TYPE_LOW_10GBASE_T | \
ICE_PHY_TYPE_LOW_10G_SFI_DA | \
ICE_PHY_TYPE_LOW_10GBASE_SR | \
ICE_PHY_TYPE_LOW_10GBASE_LR | \
ICE_PHY_TYPE_LOW_10GBASE_KR_CR1 | \
ICE_PHY_TYPE_LOW_10G_SFI_AOC_ACC | \
ICE_PHY_TYPE_LOW_10G_SFI_C2C)
#define ICE_PHY_TYPE_LOW_MASK_100G (ICE_PHY_TYPE_LOW_100GBASE_CR4 | \
ICE_PHY_TYPE_LOW_100GBASE_SR4 | \
ICE_PHY_TYPE_LOW_100GBASE_LR4 | \
ICE_PHY_TYPE_LOW_100GBASE_KR4 | \
ICE_PHY_TYPE_LOW_100G_CAUI4_AOC_ACC | \
ICE_PHY_TYPE_LOW_100G_CAUI4 | \
ICE_PHY_TYPE_LOW_100G_AUI4_AOC_ACC | \
ICE_PHY_TYPE_LOW_100G_AUI4 | \
ICE_PHY_TYPE_LOW_100GBASE_CR_PAM4 | \
ICE_PHY_TYPE_LOW_100GBASE_KR_PAM4 | \
ICE_PHY_TYPE_LOW_100GBASE_CP2 | \
ICE_PHY_TYPE_LOW_100GBASE_SR2 | \
ICE_PHY_TYPE_LOW_100GBASE_DR)
#define ICE_PHY_TYPE_HIGH_MASK_100G (ICE_PHY_TYPE_HIGH_100GBASE_KR2_PAM4 | \
ICE_PHY_TYPE_HIGH_100G_CAUI2_AOC_ACC |\
ICE_PHY_TYPE_HIGH_100G_CAUI2 | \
ICE_PHY_TYPE_HIGH_100G_AUI2_AOC_ACC | \
ICE_PHY_TYPE_HIGH_100G_AUI2)
/**
* ice_mask_min_supported_speeds
* @hw: pointer to the HW structure
* @phy_types_high: PHY type high
* @phy_types_low: PHY type low to apply minimum supported speeds mask
*
* Apply minimum supported speeds mask to PHY type low. These are the speeds
* for ethtool supported link mode.
*/
static void
ice_mask_min_supported_speeds(struct ice_hw *hw,
u64 phy_types_high, u64 *phy_types_low)
{
/* if QSFP connection with 100G speed, minimum supported speed is 25G */
if (*phy_types_low & ICE_PHY_TYPE_LOW_MASK_100G ||
phy_types_high & ICE_PHY_TYPE_HIGH_MASK_100G)
*phy_types_low &= ~ICE_PHY_TYPE_LOW_MASK_MIN_25G;
else if (!ice_is_100m_speed_supported(hw))
*phy_types_low &= ~ICE_PHY_TYPE_LOW_MASK_MIN_1G;
}
#define ice_ethtool_advertise_link_mode(aq_link_speed, ethtool_link_mode) \
do { \
if (req_speeds & (aq_link_speed) || \
(!req_speeds && \
(advert_phy_type_lo & phy_type_mask_lo || \
advert_phy_type_hi & phy_type_mask_hi))) \
ethtool_link_ksettings_add_link_mode(ks, advertising,\
ethtool_link_mode); \
} while (0)
/**
* ice_phy_type_to_ethtool - convert the phy_types to ethtool link modes
* @netdev: network interface device structure
* @ks: ethtool link ksettings struct to fill out
*/
static void
ice_phy_type_to_ethtool(struct net_device *netdev,
struct ethtool_link_ksettings *ks)
{
struct ice_netdev_priv *np = netdev_priv(netdev);
struct ice_vsi *vsi = np->vsi;
struct ice_pf *pf = vsi->back;
u64 advert_phy_type_lo = 0;
u64 advert_phy_type_hi = 0;
u64 phy_type_mask_lo = 0;
u64 phy_type_mask_hi = 0;
u64 phy_types_high = 0;
u64 phy_types_low = 0;
u16 req_speeds;
req_speeds = vsi->port_info->phy.link_info.req_speeds;
/* Check if lenient mode is supported and enabled, or in strict mode.
*
* In lenient mode the Supported link modes are the PHY types without
* media. The Advertising link mode is either 1. the user requested
* speed, 2. the override PHY mask, or 3. the PHY types with media.
*
* In strict mode Supported link mode are the PHY type with media,
* and Advertising link modes are the media PHY type or the speed
* requested by user.
*/
if (test_bit(ICE_FLAG_LINK_LENIENT_MODE_ENA, pf->flags)) {
phy_types_low = le64_to_cpu(pf->nvm_phy_type_lo);
phy_types_high = le64_to_cpu(pf->nvm_phy_type_hi);
ice_mask_min_supported_speeds(&pf->hw, phy_types_high,
&phy_types_low);
/* determine advertised modes based on link override only
* if it's supported and if the FW doesn't abstract the
* driver from having to account for link overrides
*/
if (ice_fw_supports_link_override(&pf->hw) &&
!ice_fw_supports_report_dflt_cfg(&pf->hw)) {
struct ice_link_default_override_tlv *ldo;
ldo = &pf->link_dflt_override;
/* If override enabled and PHY mask set, then
* Advertising link mode is the intersection of the PHY
* types without media and the override PHY mask.
*/
if (ldo->options & ICE_LINK_OVERRIDE_EN &&
(ldo->phy_type_low || ldo->phy_type_high)) {
advert_phy_type_lo =
le64_to_cpu(pf->nvm_phy_type_lo) &
ldo->phy_type_low;
advert_phy_type_hi =
le64_to_cpu(pf->nvm_phy_type_hi) &
ldo->phy_type_high;
}
}
} else {
/* strict mode */
phy_types_low = vsi->port_info->phy.phy_type_low;
phy_types_high = vsi->port_info->phy.phy_type_high;
}
/* If Advertising link mode PHY type is not using override PHY type,
* then use PHY type with media.
*/
if (!advert_phy_type_lo && !advert_phy_type_hi) {
advert_phy_type_lo = vsi->port_info->phy.phy_type_low;
advert_phy_type_hi = vsi->port_info->phy.phy_type_high;
}
ethtool_link_ksettings_zero_link_mode(ks, supported);
ethtool_link_ksettings_zero_link_mode(ks, advertising);
phy_type_mask_lo = ICE_PHY_TYPE_LOW_100BASE_TX |
ICE_PHY_TYPE_LOW_100M_SGMII;
if (phy_types_low & phy_type_mask_lo) {
ethtool_link_ksettings_add_link_mode(ks, supported,
100baseT_Full);
ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_100MB,
100baseT_Full);
}
phy_type_mask_lo = ICE_PHY_TYPE_LOW_1000BASE_T |
ICE_PHY_TYPE_LOW_1G_SGMII;
if (phy_types_low & phy_type_mask_lo) {
ethtool_link_ksettings_add_link_mode(ks, supported,
1000baseT_Full);
ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_1000MB,
1000baseT_Full);
}
phy_type_mask_lo = ICE_PHY_TYPE_LOW_1000BASE_KX;
if (phy_types_low & phy_type_mask_lo) {
ethtool_link_ksettings_add_link_mode(ks, supported,
1000baseKX_Full);
ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_1000MB,
1000baseKX_Full);
}
phy_type_mask_lo = ICE_PHY_TYPE_LOW_1000BASE_SX |
ICE_PHY_TYPE_LOW_1000BASE_LX;
if (phy_types_low & phy_type_mask_lo) {
ethtool_link_ksettings_add_link_mode(ks, supported,
1000baseX_Full);
ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_1000MB,
1000baseX_Full);
}
phy_type_mask_lo = ICE_PHY_TYPE_LOW_2500BASE_T;
if (phy_types_low & phy_type_mask_lo) {
ethtool_link_ksettings_add_link_mode(ks, supported,
2500baseT_Full);
ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_2500MB,
2500baseT_Full);
}
phy_type_mask_lo = ICE_PHY_TYPE_LOW_2500BASE_X |
ICE_PHY_TYPE_LOW_2500BASE_KX;
if (phy_types_low & phy_type_mask_lo) {
ethtool_link_ksettings_add_link_mode(ks, supported,
2500baseX_Full);
ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_2500MB,
2500baseX_Full);
}
phy_type_mask_lo = ICE_PHY_TYPE_LOW_5GBASE_T |
ICE_PHY_TYPE_LOW_5GBASE_KR;
if (phy_types_low & phy_type_mask_lo) {
ethtool_link_ksettings_add_link_mode(ks, supported,
5000baseT_Full);
ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_5GB,
5000baseT_Full);
}
phy_type_mask_lo = ICE_PHY_TYPE_LOW_10GBASE_T |
ICE_PHY_TYPE_LOW_10G_SFI_DA |
ICE_PHY_TYPE_LOW_10G_SFI_AOC_ACC |
ICE_PHY_TYPE_LOW_10G_SFI_C2C;
if (phy_types_low & phy_type_mask_lo) {
ethtool_link_ksettings_add_link_mode(ks, supported,
10000baseT_Full);
ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_10GB,
10000baseT_Full);
}
phy_type_mask_lo = ICE_PHY_TYPE_LOW_10GBASE_KR_CR1;
if (phy_types_low & phy_type_mask_lo) {
ethtool_link_ksettings_add_link_mode(ks, supported,
10000baseKR_Full);
ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_10GB,
10000baseKR_Full);
}
phy_type_mask_lo = ICE_PHY_TYPE_LOW_10GBASE_SR;
if (phy_types_low & phy_type_mask_lo) {
ethtool_link_ksettings_add_link_mode(ks, supported,
10000baseSR_Full);
ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_10GB,
10000baseSR_Full);
}
phy_type_mask_lo = ICE_PHY_TYPE_LOW_10GBASE_LR;
if (phy_types_low & phy_type_mask_lo) {
ethtool_link_ksettings_add_link_mode(ks, supported,
10000baseLR_Full);
ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_10GB,
10000baseLR_Full);
}
phy_type_mask_lo = ICE_PHY_TYPE_LOW_25GBASE_T |
ICE_PHY_TYPE_LOW_25GBASE_CR |
ICE_PHY_TYPE_LOW_25GBASE_CR_S |
ICE_PHY_TYPE_LOW_25GBASE_CR1 |
ICE_PHY_TYPE_LOW_25G_AUI_AOC_ACC |
ICE_PHY_TYPE_LOW_25G_AUI_C2C;
if (phy_types_low & phy_type_mask_lo) {
ethtool_link_ksettings_add_link_mode(ks, supported,
25000baseCR_Full);
ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_25GB,
25000baseCR_Full);
}
phy_type_mask_lo = ICE_PHY_TYPE_LOW_25GBASE_SR |
ICE_PHY_TYPE_LOW_25GBASE_LR;
if (phy_types_low & phy_type_mask_lo) {
ethtool_link_ksettings_add_link_mode(ks, supported,
25000baseSR_Full);
ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_25GB,
25000baseSR_Full);
}
phy_type_mask_lo = ICE_PHY_TYPE_LOW_25GBASE_KR |
ICE_PHY_TYPE_LOW_25GBASE_KR_S |
ICE_PHY_TYPE_LOW_25GBASE_KR1;
if (phy_types_low & phy_type_mask_lo) {
ethtool_link_ksettings_add_link_mode(ks, supported,
25000baseKR_Full);
ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_25GB,
25000baseKR_Full);
}
phy_type_mask_lo = ICE_PHY_TYPE_LOW_40GBASE_KR4;
if (phy_types_low & phy_type_mask_lo) {
ethtool_link_ksettings_add_link_mode(ks, supported,
40000baseKR4_Full);
ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_40GB,
40000baseKR4_Full);
}
phy_type_mask_lo = ICE_PHY_TYPE_LOW_40GBASE_CR4 |
ICE_PHY_TYPE_LOW_40G_XLAUI_AOC_ACC |
ICE_PHY_TYPE_LOW_40G_XLAUI;
if (phy_types_low & phy_type_mask_lo) {
ethtool_link_ksettings_add_link_mode(ks, supported,
40000baseCR4_Full);
ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_40GB,
40000baseCR4_Full);
}
phy_type_mask_lo = ICE_PHY_TYPE_LOW_40GBASE_SR4;
if (phy_types_low & phy_type_mask_lo) {
ethtool_link_ksettings_add_link_mode(ks, supported,
40000baseSR4_Full);
ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_40GB,
40000baseSR4_Full);
}
phy_type_mask_lo = ICE_PHY_TYPE_LOW_40GBASE_LR4;
if (phy_types_low & phy_type_mask_lo) {
ethtool_link_ksettings_add_link_mode(ks, supported,
40000baseLR4_Full);
ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_40GB,
40000baseLR4_Full);
}
phy_type_mask_lo = ICE_PHY_TYPE_LOW_50GBASE_CR2 |
ICE_PHY_TYPE_LOW_50G_LAUI2_AOC_ACC |
ICE_PHY_TYPE_LOW_50G_LAUI2 |
ICE_PHY_TYPE_LOW_50G_AUI2_AOC_ACC |
ICE_PHY_TYPE_LOW_50G_AUI2 |
ICE_PHY_TYPE_LOW_50GBASE_CP |
ICE_PHY_TYPE_LOW_50GBASE_SR |
ICE_PHY_TYPE_LOW_50G_AUI1_AOC_ACC |
ICE_PHY_TYPE_LOW_50G_AUI1;
if (phy_types_low & phy_type_mask_lo) {
ethtool_link_ksettings_add_link_mode(ks, supported,
50000baseCR2_Full);
ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_50GB,
50000baseCR2_Full);
}
phy_type_mask_lo = ICE_PHY_TYPE_LOW_50GBASE_KR2 |
ICE_PHY_TYPE_LOW_50GBASE_KR_PAM4;
if (phy_types_low & phy_type_mask_lo) {
ethtool_link_ksettings_add_link_mode(ks, supported,
50000baseKR2_Full);
ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_50GB,
50000baseKR2_Full);
}
phy_type_mask_lo = ICE_PHY_TYPE_LOW_50GBASE_SR2 |
ICE_PHY_TYPE_LOW_50GBASE_LR2 |
ICE_PHY_TYPE_LOW_50GBASE_FR |
ICE_PHY_TYPE_LOW_50GBASE_LR;
if (phy_types_low & phy_type_mask_lo) {
ethtool_link_ksettings_add_link_mode(ks, supported,
50000baseSR2_Full);
ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_50GB,
50000baseSR2_Full);
}
phy_type_mask_lo = ICE_PHY_TYPE_LOW_100GBASE_CR4 |
ICE_PHY_TYPE_LOW_100G_CAUI4_AOC_ACC |
ICE_PHY_TYPE_LOW_100G_CAUI4 |
ICE_PHY_TYPE_LOW_100G_AUI4_AOC_ACC |
ICE_PHY_TYPE_LOW_100G_AUI4 |
ICE_PHY_TYPE_LOW_100GBASE_CR_PAM4 |
ICE_PHY_TYPE_LOW_100GBASE_CP2;
phy_type_mask_hi = ICE_PHY_TYPE_HIGH_100G_CAUI2_AOC_ACC |
ICE_PHY_TYPE_HIGH_100G_CAUI2 |
ICE_PHY_TYPE_HIGH_100G_AUI2_AOC_ACC |
ICE_PHY_TYPE_HIGH_100G_AUI2;
if (phy_types_low & phy_type_mask_lo ||
phy_types_high & phy_type_mask_hi) {
ethtool_link_ksettings_add_link_mode(ks, supported,
100000baseCR4_Full);
ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_100GB,
100000baseCR4_Full);
}
phy_type_mask_lo = ICE_PHY_TYPE_LOW_100GBASE_SR4 |
ICE_PHY_TYPE_LOW_100GBASE_SR2;
if (phy_types_low & phy_type_mask_lo) {
ethtool_link_ksettings_add_link_mode(ks, supported,
100000baseSR4_Full);
ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_100GB,
100000baseSR4_Full);
}
phy_type_mask_lo = ICE_PHY_TYPE_LOW_100GBASE_LR4 |
ICE_PHY_TYPE_LOW_100GBASE_DR;
if (phy_types_low & phy_type_mask_lo) {
ethtool_link_ksettings_add_link_mode(ks, supported,
100000baseLR4_ER4_Full);
ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_100GB,
100000baseLR4_ER4_Full);
}
phy_type_mask_lo = ICE_PHY_TYPE_LOW_100GBASE_KR4 |
ICE_PHY_TYPE_LOW_100GBASE_KR_PAM4;
phy_type_mask_hi = ICE_PHY_TYPE_HIGH_100GBASE_KR2_PAM4;
if (phy_types_low & phy_type_mask_lo ||
phy_types_high & phy_type_mask_hi) {
ethtool_link_ksettings_add_link_mode(ks, supported,
100000baseKR4_Full);
ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_100GB,
100000baseKR4_Full);
}
}
#define TEST_SET_BITS_TIMEOUT 50
#define TEST_SET_BITS_SLEEP_MAX 2000
#define TEST_SET_BITS_SLEEP_MIN 1000
/**
* ice_get_settings_link_up - Get Link settings for when link is up
* @ks: ethtool ksettings to fill in
* @netdev: network interface device structure
*/
static void
ice_get_settings_link_up(struct ethtool_link_ksettings *ks,
struct net_device *netdev)
{
struct ice_netdev_priv *np = netdev_priv(netdev);
struct ice_port_info *pi = np->vsi->port_info;
struct ice_link_status *link_info;
struct ice_vsi *vsi = np->vsi;
link_info = &vsi->port_info->phy.link_info;
/* Get supported and advertised settings from PHY ability with media */
ice_phy_type_to_ethtool(netdev, ks);
switch (link_info->link_speed) {
case ICE_AQ_LINK_SPEED_100GB:
ks->base.speed = SPEED_100000;
break;
case ICE_AQ_LINK_SPEED_50GB:
ks->base.speed = SPEED_50000;
break;
case ICE_AQ_LINK_SPEED_40GB:
ks->base.speed = SPEED_40000;
break;
case ICE_AQ_LINK_SPEED_25GB:
ks->base.speed = SPEED_25000;
break;
case ICE_AQ_LINK_SPEED_20GB:
ks->base.speed = SPEED_20000;
break;
case ICE_AQ_LINK_SPEED_10GB:
ks->base.speed = SPEED_10000;
break;
case ICE_AQ_LINK_SPEED_5GB:
ks->base.speed = SPEED_5000;
break;
case ICE_AQ_LINK_SPEED_2500MB:
ks->base.speed = SPEED_2500;
break;
case ICE_AQ_LINK_SPEED_1000MB:
ks->base.speed = SPEED_1000;
break;
case ICE_AQ_LINK_SPEED_100MB:
ks->base.speed = SPEED_100;
break;
default:
netdev_info(netdev, "WARNING: Unrecognized link_speed (0x%x).\n",
link_info->link_speed);
break;
}
ks->base.duplex = DUPLEX_FULL;
if (link_info->an_info & ICE_AQ_AN_COMPLETED)
ethtool_link_ksettings_add_link_mode(ks, lp_advertising,
Autoneg);
/* Set flow control negotiated Rx/Tx pause */
switch (pi->fc.current_mode) {
case ICE_FC_FULL:
ethtool_link_ksettings_add_link_mode(ks, lp_advertising, Pause);
break;
case ICE_FC_TX_PAUSE:
ethtool_link_ksettings_add_link_mode(ks, lp_advertising, Pause);
ethtool_link_ksettings_add_link_mode(ks, lp_advertising,
Asym_Pause);
break;
case ICE_FC_RX_PAUSE:
ethtool_link_ksettings_add_link_mode(ks, lp_advertising,
Asym_Pause);
break;
case ICE_FC_PFC:
default:
ethtool_link_ksettings_del_link_mode(ks, lp_advertising, Pause);
ethtool_link_ksettings_del_link_mode(ks, lp_advertising,
Asym_Pause);
break;
}
}
/**
* ice_get_settings_link_down - Get the Link settings when link is down
* @ks: ethtool ksettings to fill in
* @netdev: network interface device structure
*
* Reports link settings that can be determined when link is down
*/
static void
ice_get_settings_link_down(struct ethtool_link_ksettings *ks,
struct net_device *netdev)
{
/* link is down and the driver needs to fall back on
* supported PHY types to figure out what info to display
*/
ice_phy_type_to_ethtool(netdev, ks);
/* With no link, speed and duplex are unknown */
ks->base.speed = SPEED_UNKNOWN;
ks->base.duplex = DUPLEX_UNKNOWN;
}
/**
* ice_get_link_ksettings - Get Link Speed and Duplex settings
* @netdev: network interface device structure
* @ks: ethtool ksettings
*
* Reports speed/duplex settings based on media_type
*/
static int
ice_get_link_ksettings(struct net_device *netdev,
struct ethtool_link_ksettings *ks)
{
struct ice_netdev_priv *np = netdev_priv(netdev);
struct ice_aqc_get_phy_caps_data *caps;
struct ice_link_status *hw_link_info;
struct ice_vsi *vsi = np->vsi;
int err;
ethtool_link_ksettings_zero_link_mode(ks, supported);
ethtool_link_ksettings_zero_link_mode(ks, advertising);
ethtool_link_ksettings_zero_link_mode(ks, lp_advertising);
hw_link_info = &vsi->port_info->phy.link_info;
/* set speed and duplex */
if (hw_link_info->link_info & ICE_AQ_LINK_UP)
ice_get_settings_link_up(ks, netdev);
else
ice_get_settings_link_down(ks, netdev);
/* set autoneg settings */
ks->base.autoneg = (hw_link_info->an_info & ICE_AQ_AN_COMPLETED) ?
AUTONEG_ENABLE : AUTONEG_DISABLE;
/* set media type settings */
switch (vsi->port_info->phy.media_type) {
case ICE_MEDIA_FIBER:
ethtool_link_ksettings_add_link_mode(ks, supported, FIBRE);
ks->base.port = PORT_FIBRE;
break;
case ICE_MEDIA_BASET:
ethtool_link_ksettings_add_link_mode(ks, supported, TP);
ethtool_link_ksettings_add_link_mode(ks, advertising, TP);
ks->base.port = PORT_TP;
break;
case ICE_MEDIA_BACKPLANE:
ethtool_link_ksettings_add_link_mode(ks, supported, Backplane);
ethtool_link_ksettings_add_link_mode(ks, advertising,
Backplane);
ks->base.port = PORT_NONE;
break;
case ICE_MEDIA_DA:
ethtool_link_ksettings_add_link_mode(ks, supported, FIBRE);
ethtool_link_ksettings_add_link_mode(ks, advertising, FIBRE);
ks->base.port = PORT_DA;
break;
default:
ks->base.port = PORT_OTHER;
break;
}
/* flow control is symmetric and always supported */
ethtool_link_ksettings_add_link_mode(ks, supported, Pause);
caps = kzalloc(sizeof(*caps), GFP_KERNEL);
if (!caps)
return -ENOMEM;
err = ice_aq_get_phy_caps(vsi->port_info, false,
ICE_AQC_REPORT_ACTIVE_CFG, caps, NULL);
if (err)
goto done;
/* Set the advertised flow control based on the PHY capability */
if ((caps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE) &&
(caps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE)) {
ethtool_link_ksettings_add_link_mode(ks, advertising, Pause);
ethtool_link_ksettings_add_link_mode(ks, advertising,
Asym_Pause);
} else if (caps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE) {
ethtool_link_ksettings_add_link_mode(ks, advertising,
Asym_Pause);
} else if (caps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE) {
ethtool_link_ksettings_add_link_mode(ks, advertising, Pause);
ethtool_link_ksettings_add_link_mode(ks, advertising,
Asym_Pause);
} else {
ethtool_link_ksettings_del_link_mode(ks, advertising, Pause);
ethtool_link_ksettings_del_link_mode(ks, advertising,
Asym_Pause);
}
/* Set advertised FEC modes based on PHY capability */
ethtool_link_ksettings_add_link_mode(ks, advertising, FEC_NONE);
if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_REQ ||
caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_REQ)
ethtool_link_ksettings_add_link_mode(ks, advertising,
FEC_BASER);
if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_528_REQ ||
caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_544_REQ)
ethtool_link_ksettings_add_link_mode(ks, advertising, FEC_RS);
err = ice_aq_get_phy_caps(vsi->port_info, false,
ICE_AQC_REPORT_TOPO_CAP_MEDIA, caps, NULL);
if (err)
goto done;
/* Set supported FEC modes based on PHY capability */
ethtool_link_ksettings_add_link_mode(ks, supported, FEC_NONE);
if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_EN ||
caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_CLAUSE74_EN)
ethtool_link_ksettings_add_link_mode(ks, supported, FEC_BASER);
if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_CLAUSE91_EN)
ethtool_link_ksettings_add_link_mode(ks, supported, FEC_RS);
/* Set supported and advertised autoneg */
if (ice_is_phy_caps_an_enabled(caps)) {
ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg);
ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg);
}
done:
kfree(caps);
return err;
}
/**
* ice_ksettings_find_adv_link_speed - Find advertising link speed
* @ks: ethtool ksettings
*/
static u16
ice_ksettings_find_adv_link_speed(const struct ethtool_link_ksettings *ks)
{
u16 adv_link_speed = 0;
if (ethtool_link_ksettings_test_link_mode(ks, advertising,
100baseT_Full))
adv_link_speed |= ICE_AQ_LINK_SPEED_100MB;
if (ethtool_link_ksettings_test_link_mode(ks, advertising,
1000baseX_Full))
adv_link_speed |= ICE_AQ_LINK_SPEED_1000MB;
if (ethtool_link_ksettings_test_link_mode(ks, advertising,
1000baseT_Full) ||
ethtool_link_ksettings_test_link_mode(ks, advertising,
1000baseKX_Full))
adv_link_speed |= ICE_AQ_LINK_SPEED_1000MB;
if (ethtool_link_ksettings_test_link_mode(ks, advertising,
2500baseT_Full))
adv_link_speed |= ICE_AQ_LINK_SPEED_2500MB;
if (ethtool_link_ksettings_test_link_mode(ks, advertising,
2500baseX_Full))
adv_link_speed |= ICE_AQ_LINK_SPEED_2500MB;
if (ethtool_link_ksettings_test_link_mode(ks, advertising,
5000baseT_Full))
adv_link_speed |= ICE_AQ_LINK_SPEED_5GB;
if (ethtool_link_ksettings_test_link_mode(ks, advertising,
10000baseT_Full) ||
ethtool_link_ksettings_test_link_mode(ks, advertising,
10000baseKR_Full))
adv_link_speed |= ICE_AQ_LINK_SPEED_10GB;
if (ethtool_link_ksettings_test_link_mode(ks, advertising,
10000baseSR_Full) ||
ethtool_link_ksettings_test_link_mode(ks, advertising,
10000baseLR_Full))
adv_link_speed |= ICE_AQ_LINK_SPEED_10GB;
if (ethtool_link_ksettings_test_link_mode(ks, advertising,
25000baseCR_Full) ||
ethtool_link_ksettings_test_link_mode(ks, advertising,
25000baseSR_Full) ||
ethtool_link_ksettings_test_link_mode(ks, advertising,
25000baseKR_Full))
adv_link_speed |= ICE_AQ_LINK_SPEED_25GB;
if (ethtool_link_ksettings_test_link_mode(ks, advertising,
40000baseCR4_Full) ||
ethtool_link_ksettings_test_link_mode(ks, advertising,
40000baseSR4_Full) ||
ethtool_link_ksettings_test_link_mode(ks, advertising,
40000baseLR4_Full) ||
ethtool_link_ksettings_test_link_mode(ks, advertising,
40000baseKR4_Full))
adv_link_speed |= ICE_AQ_LINK_SPEED_40GB;
if (ethtool_link_ksettings_test_link_mode(ks, advertising,
50000baseCR2_Full) ||
ethtool_link_ksettings_test_link_mode(ks, advertising,
50000baseKR2_Full))
adv_link_speed |= ICE_AQ_LINK_SPEED_50GB;
if (ethtool_link_ksettings_test_link_mode(ks, advertising,
50000baseSR2_Full))
adv_link_speed |= ICE_AQ_LINK_SPEED_50GB;
if (ethtool_link_ksettings_test_link_mode(ks, advertising,
100000baseCR4_Full) ||
ethtool_link_ksettings_test_link_mode(ks, advertising,
100000baseSR4_Full) ||
ethtool_link_ksettings_test_link_mode(ks, advertising,
100000baseLR4_ER4_Full) ||
ethtool_link_ksettings_test_link_mode(ks, advertising,
100000baseKR4_Full))
adv_link_speed |= ICE_AQ_LINK_SPEED_100GB;
return adv_link_speed;
}
/**
* ice_setup_autoneg
* @p: port info
* @ks: ethtool_link_ksettings
* @config: configuration that will be sent down to FW
* @autoneg_enabled: autonegotiation is enabled or not
* @autoneg_changed: will there a change in autonegotiation
* @netdev: network interface device structure
*
* Setup PHY autonegotiation feature
*/
static int
ice_setup_autoneg(struct ice_port_info *p, struct ethtool_link_ksettings *ks,
struct ice_aqc_set_phy_cfg_data *config,
u8 autoneg_enabled, u8 *autoneg_changed,
struct net_device *netdev)
{
int err = 0;
*autoneg_changed = 0;
/* Check autoneg */
if (autoneg_enabled == AUTONEG_ENABLE) {
/* If autoneg was not already enabled */
if (!(p->phy.link_info.an_info & ICE_AQ_AN_COMPLETED)) {
/* If autoneg is not supported, return error */
if (!ethtool_link_ksettings_test_link_mode(ks,
supported,
Autoneg)) {
netdev_info(netdev, "Autoneg not supported on this phy.\n");
err = -EINVAL;
} else {
/* Autoneg is allowed to change */
config->caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT;
*autoneg_changed = 1;
}
}
} else {
/* If autoneg is currently enabled */
if (p->phy.link_info.an_info & ICE_AQ_AN_COMPLETED) {
/* If autoneg is supported 10GBASE_T is the only PHY
* that can disable it, so otherwise return error
*/
if (ethtool_link_ksettings_test_link_mode(ks,
supported,
Autoneg)) {
netdev_info(netdev, "Autoneg cannot be disabled on this phy\n");
err = -EINVAL;
} else {
/* Autoneg is allowed to change */
config->caps &= ~ICE_AQ_PHY_ENA_AUTO_LINK_UPDT;
*autoneg_changed = 1;
}
}
}
return err;
}
/**
* ice_set_phy_type_from_speed - set phy_types based on speeds
* and advertised modes
* @ks: ethtool link ksettings struct
* @phy_type_low: pointer to the lower part of phy_type
* @phy_type_high: pointer to the higher part of phy_type
* @adv_link_speed: targeted link speeds bitmap
*/
static void
ice_set_phy_type_from_speed(const struct ethtool_link_ksettings *ks,
u64 *phy_type_low, u64 *phy_type_high,
u16 adv_link_speed)
{
/* Handle 1000M speed in a special way because ice_update_phy_type
* enables all link modes, but having mixed copper and optical
* standards is not supported.
*/
adv_link_speed &= ~ICE_AQ_LINK_SPEED_1000MB;
if (ethtool_link_ksettings_test_link_mode(ks, advertising,
1000baseT_Full))
*phy_type_low |= ICE_PHY_TYPE_LOW_1000BASE_T |
ICE_PHY_TYPE_LOW_1G_SGMII;
if (ethtool_link_ksettings_test_link_mode(ks, advertising,
1000baseKX_Full))
*phy_type_low |= ICE_PHY_TYPE_LOW_1000BASE_KX;
if (ethtool_link_ksettings_test_link_mode(ks, advertising,
1000baseX_Full))
*phy_type_low |= ICE_PHY_TYPE_LOW_1000BASE_SX |
ICE_PHY_TYPE_LOW_1000BASE_LX;
ice_update_phy_type(phy_type_low, phy_type_high, adv_link_speed);
}
/**
* ice_set_link_ksettings - Set Speed and Duplex
* @netdev: network interface device structure
* @ks: ethtool ksettings
*
* Set speed/duplex per media_types advertised/forced
*/
static int
ice_set_link_ksettings(struct net_device *netdev,
const struct ethtool_link_ksettings *ks)
{
struct ice_netdev_priv *np = netdev_priv(netdev);
u8 autoneg, timeout = TEST_SET_BITS_TIMEOUT;
struct ethtool_link_ksettings copy_ks = *ks;
struct ethtool_link_ksettings safe_ks = {};
struct ice_aqc_get_phy_caps_data *phy_caps;
struct ice_aqc_set_phy_cfg_data config;
u16 adv_link_speed, curr_link_speed;
struct ice_pf *pf = np->vsi->back;
struct ice_port_info *pi;
u8 autoneg_changed = 0;
u64 phy_type_high = 0;
u64 phy_type_low = 0;
bool linkup;
int err;
pi = np->vsi->port_info;
if (!pi)
return -EIO;
if (pi->phy.media_type != ICE_MEDIA_BASET &&
pi->phy.media_type != ICE_MEDIA_FIBER &&
pi->phy.media_type != ICE_MEDIA_BACKPLANE &&
pi->phy.media_type != ICE_MEDIA_DA &&
pi->phy.link_info.link_info & ICE_AQ_LINK_UP)
return -EOPNOTSUPP;
phy_caps = kzalloc(sizeof(*phy_caps), GFP_KERNEL);
if (!phy_caps)
return -ENOMEM;
/* Get the PHY capabilities based on media */
if (ice_fw_supports_report_dflt_cfg(pi->hw))
err = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_DFLT_CFG,
phy_caps, NULL);
else
err = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_TOPO_CAP_MEDIA,
phy_caps, NULL);
if (err)
goto done;
/* save autoneg out of ksettings */
autoneg = copy_ks.base.autoneg;
/* Get link modes supported by hardware.*/
ice_phy_type_to_ethtool(netdev, &safe_ks);
/* and check against modes requested by user.
* Return an error if unsupported mode was set.
*/
if (!bitmap_subset(copy_ks.link_modes.advertising,
safe_ks.link_modes.supported,
__ETHTOOL_LINK_MODE_MASK_NBITS)) {
if (!test_bit(ICE_FLAG_LINK_LENIENT_MODE_ENA, pf->flags))
netdev_info(netdev, "The selected speed is not supported by the current media. Please select a link speed that is supported by the current media.\n");
err = -EOPNOTSUPP;
goto done;
}
/* get our own copy of the bits to check against */
memset(&safe_ks, 0, sizeof(safe_ks));
safe_ks.base.cmd = copy_ks.base.cmd;
safe_ks.base.link_mode_masks_nwords =
copy_ks.base.link_mode_masks_nwords;
ice_get_link_ksettings(netdev, &safe_ks);
/* set autoneg back to what it currently is */
copy_ks.base.autoneg = safe_ks.base.autoneg;
/* we don't compare the speed */
copy_ks.base.speed = safe_ks.base.speed;
/* If copy_ks.base and safe_ks.base are not the same now, then they are
* trying to set something that we do not support.
*/
if (memcmp(&copy_ks.base, &safe_ks.base, sizeof(copy_ks.base))) {
err = -EOPNOTSUPP;
goto done;
}
while (test_and_set_bit(ICE_CFG_BUSY, pf->state)) {
timeout--;
if (!timeout) {
err = -EBUSY;
goto done;
}
usleep_range(TEST_SET_BITS_SLEEP_MIN, TEST_SET_BITS_SLEEP_MAX);
}
/* Copy the current user PHY configuration. The current user PHY
* configuration is initialized during probe from PHY capabilities
* software mode, and updated on set PHY configuration.
*/
config = pi->phy.curr_user_phy_cfg;
config.caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT;
/* Check autoneg */
err = ice_setup_autoneg(pi, &safe_ks, &config, autoneg, &autoneg_changed,
netdev);
if (err)
goto done;
/* Call to get the current link speed */
pi->phy.get_link_info = true;
err = ice_get_link_status(pi, &linkup);
if (err)
goto done;
curr_link_speed = pi->phy.curr_user_speed_req;
adv_link_speed = ice_ksettings_find_adv_link_speed(ks);
/* If speed didn't get set, set it to what it currently is.
* This is needed because if advertise is 0 (as it is when autoneg
* is disabled) then speed won't get set.
*/
if (!adv_link_speed)
adv_link_speed = curr_link_speed;
/* Convert the advertise link speeds to their corresponded PHY_TYPE */
ice_set_phy_type_from_speed(ks, &phy_type_low, &phy_type_high,
adv_link_speed);
if (!autoneg_changed && adv_link_speed == curr_link_speed) {
netdev_info(netdev, "Nothing changed, exiting without setting anything.\n");
goto done;
}
/* save the requested speeds */
pi->phy.link_info.req_speeds = adv_link_speed;
/* set link and auto negotiation so changes take effect */
config.caps |= ICE_AQ_PHY_ENA_LINK;
/* check if there is a PHY type for the requested advertised speed */
if (!(phy_type_low || phy_type_high)) {
netdev_info(netdev, "The selected speed is not supported by the current media. Please select a link speed that is supported by the current media.\n");
err = -EOPNOTSUPP;
goto done;
}
/* intersect requested advertised speed PHY types with media PHY types
* for set PHY configuration
*/
config.phy_type_high = cpu_to_le64(phy_type_high) &
phy_caps->phy_type_high;
config.phy_type_low = cpu_to_le64(phy_type_low) &
phy_caps->phy_type_low;
if (!(config.phy_type_high || config.phy_type_low)) {
/* If there is no intersection and lenient mode is enabled, then
* intersect the requested advertised speed with NVM media type
* PHY types.
*/
if (test_bit(ICE_FLAG_LINK_LENIENT_MODE_ENA, pf->flags)) {
config.phy_type_high = cpu_to_le64(phy_type_high) &
pf->nvm_phy_type_hi;
config.phy_type_low = cpu_to_le64(phy_type_low) &
pf->nvm_phy_type_lo;
} else {
netdev_info(netdev, "The selected speed is not supported by the current media. Please select a link speed that is supported by the current media.\n");
err = -EOPNOTSUPP;
goto done;
}
}
/* If link is up put link down */
if (pi->phy.link_info.link_info & ICE_AQ_LINK_UP) {
/* Tell the OS link is going down, the link will go
* back up when fw says it is ready asynchronously
*/
ice_print_link_msg(np->vsi, false);
netif_carrier_off(netdev);
netif_tx_stop_all_queues(netdev);
}
/* make the aq call */
err = ice_aq_set_phy_cfg(&pf->hw, pi, &config, NULL);
if (err) {
netdev_info(netdev, "Set phy config failed,\n");
goto done;
}
/* Save speed request */
pi->phy.curr_user_speed_req = adv_link_speed;
done:
kfree(phy_caps);
clear_bit(ICE_CFG_BUSY, pf->state);
return err;
}
/**
* ice_parse_hdrs - parses headers from RSS hash input
* @nfc: ethtool rxnfc command
*
* This function parses the rxnfc command and returns intended
* header types for RSS configuration
*/
static u32 ice_parse_hdrs(struct ethtool_rxnfc *nfc)
{
u32 hdrs = ICE_FLOW_SEG_HDR_NONE;
switch (nfc->flow_type) {
case TCP_V4_FLOW:
hdrs |= ICE_FLOW_SEG_HDR_TCP | ICE_FLOW_SEG_HDR_IPV4;
break;
case UDP_V4_FLOW:
hdrs |= ICE_FLOW_SEG_HDR_UDP | ICE_FLOW_SEG_HDR_IPV4;
break;
case SCTP_V4_FLOW:
hdrs |= ICE_FLOW_SEG_HDR_SCTP | ICE_FLOW_SEG_HDR_IPV4;
break;
case TCP_V6_FLOW:
hdrs |= ICE_FLOW_SEG_HDR_TCP | ICE_FLOW_SEG_HDR_IPV6;
break;
case UDP_V6_FLOW:
hdrs |= ICE_FLOW_SEG_HDR_UDP | ICE_FLOW_SEG_HDR_IPV6;
break;
case SCTP_V6_FLOW:
hdrs |= ICE_FLOW_SEG_HDR_SCTP | ICE_FLOW_SEG_HDR_IPV6;
break;
default:
break;
}
return hdrs;
}
#define ICE_FLOW_HASH_FLD_IPV4_SA BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_SA)
#define ICE_FLOW_HASH_FLD_IPV6_SA BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_SA)
#define ICE_FLOW_HASH_FLD_IPV4_DA BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_DA)
#define ICE_FLOW_HASH_FLD_IPV6_DA BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_DA)
#define ICE_FLOW_HASH_FLD_TCP_SRC_PORT BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_SRC_PORT)
#define ICE_FLOW_HASH_FLD_TCP_DST_PORT BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_DST_PORT)
#define ICE_FLOW_HASH_FLD_UDP_SRC_PORT BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_SRC_PORT)
#define ICE_FLOW_HASH_FLD_UDP_DST_PORT BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_DST_PORT)
#define ICE_FLOW_HASH_FLD_SCTP_SRC_PORT \
BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_SRC_PORT)
#define ICE_FLOW_HASH_FLD_SCTP_DST_PORT \
BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_DST_PORT)
/**
* ice_parse_hash_flds - parses hash fields from RSS hash input
* @nfc: ethtool rxnfc command
*
* This function parses the rxnfc command and returns intended
* hash fields for RSS configuration
*/
static u64 ice_parse_hash_flds(struct ethtool_rxnfc *nfc)
{
u64 hfld = ICE_HASH_INVALID;
if (nfc->data & RXH_IP_SRC || nfc->data & RXH_IP_DST) {
switch (nfc->flow_type) {
case TCP_V4_FLOW:
case UDP_V4_FLOW:
case SCTP_V4_FLOW:
if (nfc->data & RXH_IP_SRC)
hfld |= ICE_FLOW_HASH_FLD_IPV4_SA;
if (nfc->data & RXH_IP_DST)
hfld |= ICE_FLOW_HASH_FLD_IPV4_DA;
break;
case TCP_V6_FLOW:
case UDP_V6_FLOW:
case SCTP_V6_FLOW:
if (nfc->data & RXH_IP_SRC)
hfld |= ICE_FLOW_HASH_FLD_IPV6_SA;
if (nfc->data & RXH_IP_DST)
hfld |= ICE_FLOW_HASH_FLD_IPV6_DA;
break;
default:
break;
}
}
if (nfc->data & RXH_L4_B_0_1 || nfc->data & RXH_L4_B_2_3) {
switch (nfc->flow_type) {
case TCP_V4_FLOW:
case TCP_V6_FLOW:
if (nfc->data & RXH_L4_B_0_1)
hfld |= ICE_FLOW_HASH_FLD_TCP_SRC_PORT;
if (nfc->data & RXH_L4_B_2_3)
hfld |= ICE_FLOW_HASH_FLD_TCP_DST_PORT;
break;
case UDP_V4_FLOW:
case UDP_V6_FLOW:
if (nfc->data & RXH_L4_B_0_1)
hfld |= ICE_FLOW_HASH_FLD_UDP_SRC_PORT;
if (nfc->data & RXH_L4_B_2_3)
hfld |= ICE_FLOW_HASH_FLD_UDP_DST_PORT;
break;
case SCTP_V4_FLOW:
case SCTP_V6_FLOW:
if (nfc->data & RXH_L4_B_0_1)
hfld |= ICE_FLOW_HASH_FLD_SCTP_SRC_PORT;
if (nfc->data & RXH_L4_B_2_3)
hfld |= ICE_FLOW_HASH_FLD_SCTP_DST_PORT;
break;
default:
break;
}
}
return hfld;
}
/**
* ice_set_rss_hash_opt - Enable/Disable flow types for RSS hash
* @vsi: the VSI being configured
* @nfc: ethtool rxnfc command
*
* Returns Success if the flow input set is supported.
*/
static int
ice_set_rss_hash_opt(struct ice_vsi *vsi, struct ethtool_rxnfc *nfc)
{
struct ice_pf *pf = vsi->back;
struct device *dev;
u64 hashed_flds;
int status;
u32 hdrs;
dev = ice_pf_to_dev(pf);
if (ice_is_safe_mode(pf)) {
dev_dbg(dev, "Advanced RSS disabled. Package download failed, vsi num = %d\n",
vsi->vsi_num);
return -EINVAL;
}
hashed_flds = ice_parse_hash_flds(nfc);
if (hashed_flds == ICE_HASH_INVALID) {
dev_dbg(dev, "Invalid hash fields, vsi num = %d\n",
vsi->vsi_num);
return -EINVAL;
}
hdrs = ice_parse_hdrs(nfc);
if (hdrs == ICE_FLOW_SEG_HDR_NONE) {
dev_dbg(dev, "Header type is not valid, vsi num = %d\n",
vsi->vsi_num);
return -EINVAL;
}
status = ice_add_rss_cfg(&pf->hw, vsi->idx, hashed_flds, hdrs);
if (status) {
dev_dbg(dev, "ice_add_rss_cfg failed, vsi num = %d, error = %d\n",
vsi->vsi_num, status);
return status;
}
return 0;
}
/**
* ice_get_rss_hash_opt - Retrieve hash fields for a given flow-type
* @vsi: the VSI being configured
* @nfc: ethtool rxnfc command
*/
static void
ice_get_rss_hash_opt(struct ice_vsi *vsi, struct ethtool_rxnfc *nfc)
{
struct ice_pf *pf = vsi->back;
struct device *dev;
u64 hash_flds;
u32 hdrs;
dev = ice_pf_to_dev(pf);
nfc->data = 0;
if (ice_is_safe_mode(pf)) {
dev_dbg(dev, "Advanced RSS disabled. Package download failed, vsi num = %d\n",
vsi->vsi_num);
return;
}
hdrs = ice_parse_hdrs(nfc);
if (hdrs == ICE_FLOW_SEG_HDR_NONE) {
dev_dbg(dev, "Header type is not valid, vsi num = %d\n",
vsi->vsi_num);
return;
}
hash_flds = ice_get_rss_cfg(&pf->hw, vsi->idx, hdrs);
if (hash_flds == ICE_HASH_INVALID) {
dev_dbg(dev, "No hash fields found for the given header type, vsi num = %d\n",
vsi->vsi_num);
return;
}
if (hash_flds & ICE_FLOW_HASH_FLD_IPV4_SA ||
hash_flds & ICE_FLOW_HASH_FLD_IPV6_SA)
nfc->data |= (u64)RXH_IP_SRC;
if (hash_flds & ICE_FLOW_HASH_FLD_IPV4_DA ||
hash_flds & ICE_FLOW_HASH_FLD_IPV6_DA)
nfc->data |= (u64)RXH_IP_DST;
if (hash_flds & ICE_FLOW_HASH_FLD_TCP_SRC_PORT ||
hash_flds & ICE_FLOW_HASH_FLD_UDP_SRC_PORT ||
hash_flds & ICE_FLOW_HASH_FLD_SCTP_SRC_PORT)
nfc->data |= (u64)RXH_L4_B_0_1;
if (hash_flds & ICE_FLOW_HASH_FLD_TCP_DST_PORT ||
hash_flds & ICE_FLOW_HASH_FLD_UDP_DST_PORT ||
hash_flds & ICE_FLOW_HASH_FLD_SCTP_DST_PORT)
nfc->data |= (u64)RXH_L4_B_2_3;
}
/**
* ice_set_rxnfc - command to set Rx flow rules.
* @netdev: network interface device structure
* @cmd: ethtool rxnfc command
*
* Returns 0 for success and negative values for errors
*/
static int ice_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd)
{
struct ice_netdev_priv *np = netdev_priv(netdev);
struct ice_vsi *vsi = np->vsi;
switch (cmd->cmd) {
case ETHTOOL_SRXCLSRLINS:
return ice_add_fdir_ethtool(vsi, cmd);
case ETHTOOL_SRXCLSRLDEL:
return ice_del_fdir_ethtool(vsi, cmd);
case ETHTOOL_SRXFH:
return ice_set_rss_hash_opt(vsi, cmd);
default:
break;
}
return -EOPNOTSUPP;
}
/**
* ice_get_rxnfc - command to get Rx flow classification rules
* @netdev: network interface device structure
* @cmd: ethtool rxnfc command
* @rule_locs: buffer to rturn Rx flow classification rules
*
* Returns Success if the command is supported.
*/
static int
ice_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd,
u32 __always_unused *rule_locs)
{
struct ice_netdev_priv *np = netdev_priv(netdev);
struct ice_vsi *vsi = np->vsi;
int ret = -EOPNOTSUPP;
struct ice_hw *hw;
hw = &vsi->back->hw;
switch (cmd->cmd) {
case ETHTOOL_GRXRINGS:
cmd->data = vsi->rss_size;
ret = 0;
break;
case ETHTOOL_GRXCLSRLCNT:
cmd->rule_cnt = hw->fdir_active_fltr;
/* report total rule count */
cmd->data = ice_get_fdir_cnt_all(hw);
ret = 0;
break;
case ETHTOOL_GRXCLSRULE:
ret = ice_get_ethtool_fdir_entry(hw, cmd);
break;
case ETHTOOL_GRXCLSRLALL:
ret = ice_get_fdir_fltr_ids(hw, cmd, (u32 *)rule_locs);
break;
case ETHTOOL_GRXFH:
ice_get_rss_hash_opt(vsi, cmd);
ret = 0;
break;
default:
break;
}
return ret;
}
static void
ice_get_ringparam(struct net_device *netdev, struct ethtool_ringparam *ring,
struct kernel_ethtool_ringparam *kernel_ring,
struct netlink_ext_ack *extack)
{
struct ice_netdev_priv *np = netdev_priv(netdev);
struct ice_vsi *vsi = np->vsi;
ring->rx_max_pending = ICE_MAX_NUM_DESC;
ring->tx_max_pending = ICE_MAX_NUM_DESC;
ring->rx_pending = vsi->rx_rings[0]->count;
ring->tx_pending = vsi->tx_rings[0]->count;
/* Rx mini and jumbo rings are not supported */
ring->rx_mini_max_pending = 0;
ring->rx_jumbo_max_pending = 0;
ring->rx_mini_pending = 0;
ring->rx_jumbo_pending = 0;
}
static int
ice_set_ringparam(struct net_device *netdev, struct ethtool_ringparam *ring,
struct kernel_ethtool_ringparam *kernel_ring,
struct netlink_ext_ack *extack)
{
struct ice_netdev_priv *np = netdev_priv(netdev);
struct ice_tx_ring *xdp_rings = NULL;
struct ice_tx_ring *tx_rings = NULL;
struct ice_rx_ring *rx_rings = NULL;
struct ice_vsi *vsi = np->vsi;
struct ice_pf *pf = vsi->back;
int i, timeout = 50, err = 0;
u16 new_rx_cnt, new_tx_cnt;
if (ring->tx_pending > ICE_MAX_NUM_DESC ||
ring->tx_pending < ICE_MIN_NUM_DESC ||
ring->rx_pending > ICE_MAX_NUM_DESC ||
ring->rx_pending < ICE_MIN_NUM_DESC) {
netdev_err(netdev, "Descriptors requested (Tx: %d / Rx: %d) out of range [%d-%d] (increment %d)\n",
ring->tx_pending, ring->rx_pending,
ICE_MIN_NUM_DESC, ICE_MAX_NUM_DESC,
ICE_REQ_DESC_MULTIPLE);
return -EINVAL;
}
new_tx_cnt = ALIGN(ring->tx_pending, ICE_REQ_DESC_MULTIPLE);
if (new_tx_cnt != ring->tx_pending)
netdev_info(netdev, "Requested Tx descriptor count rounded up to %d\n",
new_tx_cnt);
new_rx_cnt = ALIGN(ring->rx_pending, ICE_REQ_DESC_MULTIPLE);
if (new_rx_cnt != ring->rx_pending)
netdev_info(netdev, "Requested Rx descriptor count rounded up to %d\n",
new_rx_cnt);
/* if nothing to do return success */
if (new_tx_cnt == vsi->tx_rings[0]->count &&
new_rx_cnt == vsi->rx_rings[0]->count) {
netdev_dbg(netdev, "Nothing to change, descriptor count is same as requested\n");
return 0;
}
/* If there is a AF_XDP UMEM attached to any of Rx rings,
* disallow changing the number of descriptors -- regardless
* if the netdev is running or not.
*/
if (ice_xsk_any_rx_ring_ena(vsi))
return -EBUSY;
while (test_and_set_bit(ICE_CFG_BUSY, pf->state)) {
timeout--;
if (!timeout)
return -EBUSY;
usleep_range(1000, 2000);
}
/* set for the next time the netdev is started */
if (!netif_running(vsi->netdev)) {
ice_for_each_alloc_txq(vsi, i)
vsi->tx_rings[i]->count = new_tx_cnt;
ice_for_each_alloc_rxq(vsi, i)
vsi->rx_rings[i]->count = new_rx_cnt;
if (ice_is_xdp_ena_vsi(vsi))
ice_for_each_xdp_txq(vsi, i)
vsi->xdp_rings[i]->count = new_tx_cnt;
vsi->num_tx_desc = (u16)new_tx_cnt;
vsi->num_rx_desc = (u16)new_rx_cnt;
netdev_dbg(netdev, "Link is down, descriptor count change happens when link is brought up\n");
goto done;
}
if (new_tx_cnt == vsi->tx_rings[0]->count)
goto process_rx;
/* alloc updated Tx resources */
netdev_info(netdev, "Changing Tx descriptor count from %d to %d\n",
vsi->tx_rings[0]->count, new_tx_cnt);
tx_rings = kcalloc(vsi->num_txq, sizeof(*tx_rings), GFP_KERNEL);
if (!tx_rings) {
err = -ENOMEM;
goto done;
}
ice_for_each_txq(vsi, i) {
/* clone ring and setup updated count */
tx_rings[i] = *vsi->tx_rings[i];
tx_rings[i].count = new_tx_cnt;
tx_rings[i].desc = NULL;
tx_rings[i].tx_buf = NULL;
tx_rings[i].tx_tstamps = &pf->ptp.port.tx;
err = ice_setup_tx_ring(&tx_rings[i]);
if (err) {
while (i--)
ice_clean_tx_ring(&tx_rings[i]);
kfree(tx_rings);
goto done;
}
}
if (!ice_is_xdp_ena_vsi(vsi))
goto process_rx;
/* alloc updated XDP resources */
netdev_info(netdev, "Changing XDP descriptor count from %d to %d\n",
vsi->xdp_rings[0]->count, new_tx_cnt);
xdp_rings = kcalloc(vsi->num_xdp_txq, sizeof(*xdp_rings), GFP_KERNEL);
if (!xdp_rings) {
err = -ENOMEM;
goto free_tx;
}
ice_for_each_xdp_txq(vsi, i) {
/* clone ring and setup updated count */
xdp_rings[i] = *vsi->xdp_rings[i];
xdp_rings[i].count = new_tx_cnt;
xdp_rings[i].next_dd = ICE_RING_QUARTER(&xdp_rings[i]) - 1;
xdp_rings[i].next_rs = ICE_RING_QUARTER(&xdp_rings[i]) - 1;
xdp_rings[i].desc = NULL;
xdp_rings[i].tx_buf = NULL;
err = ice_setup_tx_ring(&xdp_rings[i]);
if (err) {
while (i--)
ice_clean_tx_ring(&xdp_rings[i]);
kfree(xdp_rings);
goto free_tx;
}
ice_set_ring_xdp(&xdp_rings[i]);
}
process_rx:
if (new_rx_cnt == vsi->rx_rings[0]->count)
goto process_link;
/* alloc updated Rx resources */
netdev_info(netdev, "Changing Rx descriptor count from %d to %d\n",
vsi->rx_rings[0]->count, new_rx_cnt);
rx_rings = kcalloc(vsi->num_rxq, sizeof(*rx_rings), GFP_KERNEL);
if (!rx_rings) {
err = -ENOMEM;
goto done;
}
ice_for_each_rxq(vsi, i) {
/* clone ring and setup updated count */
rx_rings[i] = *vsi->rx_rings[i];
rx_rings[i].count = new_rx_cnt;
rx_rings[i].cached_phctime = pf->ptp.cached_phc_time;
rx_rings[i].desc = NULL;
rx_rings[i].rx_buf = NULL;
/* this is to allow wr32 to have something to write to
* during early allocation of Rx buffers
*/
rx_rings[i].tail = vsi->back->hw.hw_addr + PRTGEN_STATUS;
err = ice_setup_rx_ring(&rx_rings[i]);
if (err)
goto rx_unwind;
/* allocate Rx buffers */
err = ice_alloc_rx_bufs(&rx_rings[i],
ICE_DESC_UNUSED(&rx_rings[i]));
rx_unwind:
if (err) {
while (i) {
i--;
ice_free_rx_ring(&rx_rings[i]);
}
kfree(rx_rings);
err = -ENOMEM;
goto free_tx;
}
}
process_link:
/* Bring interface down, copy in the new ring info, then restore the
* interface. if VSI is up, bring it down and then back up
*/
if (!test_and_set_bit(ICE_VSI_DOWN, vsi->state)) {
ice_down(vsi);
if (tx_rings) {
ice_for_each_txq(vsi, i) {
ice_free_tx_ring(vsi->tx_rings[i]);
*vsi->tx_rings[i] = tx_rings[i];
}
kfree(tx_rings);
}
if (rx_rings) {
ice_for_each_rxq(vsi, i) {
ice_free_rx_ring(vsi->rx_rings[i]);
/* copy the real tail offset */
rx_rings[i].tail = vsi->rx_rings[i]->tail;
/* this is to fake out the allocation routine
* into thinking it has to realloc everything
* but the recycling logic will let us re-use
* the buffers allocated above
*/
rx_rings[i].next_to_use = 0;
rx_rings[i].next_to_clean = 0;
rx_rings[i].next_to_alloc = 0;
*vsi->rx_rings[i] = rx_rings[i];
}
kfree(rx_rings);
}
if (xdp_rings) {
ice_for_each_xdp_txq(vsi, i) {
ice_free_tx_ring(vsi->xdp_rings[i]);
*vsi->xdp_rings[i] = xdp_rings[i];
}
kfree(xdp_rings);
}
vsi->num_tx_desc = new_tx_cnt;
vsi->num_rx_desc = new_rx_cnt;
ice_up(vsi);
}
goto done;
free_tx:
/* error cleanup if the Rx allocations failed after getting Tx */
if (tx_rings) {
ice_for_each_txq(vsi, i)
ice_free_tx_ring(&tx_rings[i]);
kfree(tx_rings);
}
done:
clear_bit(ICE_CFG_BUSY, pf->state);
return err;
}
/**
* ice_get_pauseparam - Get Flow Control status
* @netdev: network interface device structure
* @pause: ethernet pause (flow control) parameters
*
* Get requested flow control status from PHY capability.
* If autoneg is true, then ethtool will send the ETHTOOL_GSET ioctl which
* is handled by ice_get_link_ksettings. ice_get_link_ksettings will report
* the negotiated Rx/Tx pause via lp_advertising.
*/
static void
ice_get_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *pause)
{
struct ice_netdev_priv *np = netdev_priv(netdev);
struct ice_port_info *pi = np->vsi->port_info;
struct ice_aqc_get_phy_caps_data *pcaps;
struct ice_dcbx_cfg *dcbx_cfg;
int status;
/* Initialize pause params */
pause->rx_pause = 0;
pause->tx_pause = 0;
dcbx_cfg = &pi->qos_cfg.local_dcbx_cfg;
pcaps = kzalloc(sizeof(*pcaps), GFP_KERNEL);
if (!pcaps)
return;
/* Get current PHY config */
status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_ACTIVE_CFG, pcaps,
NULL);
if (status)
goto out;
pause->autoneg = ice_is_phy_caps_an_enabled(pcaps) ? AUTONEG_ENABLE :
AUTONEG_DISABLE;
if (dcbx_cfg->pfc.pfcena)
/* PFC enabled so report LFC as off */
goto out;
if (pcaps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE)
pause->tx_pause = 1;
if (pcaps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE)
pause->rx_pause = 1;
out:
kfree(pcaps);
}
/**
* ice_set_pauseparam - Set Flow Control parameter
* @netdev: network interface device structure
* @pause: return Tx/Rx flow control status
*/
static int
ice_set_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *pause)
{
struct ice_netdev_priv *np = netdev_priv(netdev);
struct ice_aqc_get_phy_caps_data *pcaps;
struct ice_link_status *hw_link_info;
struct ice_pf *pf = np->vsi->back;
struct ice_dcbx_cfg *dcbx_cfg;
struct ice_vsi *vsi = np->vsi;
struct ice_hw *hw = &pf->hw;
struct ice_port_info *pi;
u8 aq_failures;
bool link_up;
u32 is_an;
int err;
pi = vsi->port_info;
hw_link_info = &pi->phy.link_info;
dcbx_cfg = &pi->qos_cfg.local_dcbx_cfg;
link_up = hw_link_info->link_info & ICE_AQ_LINK_UP;
/* Changing the port's flow control is not supported if this isn't the
* PF VSI
*/
if (vsi->type != ICE_VSI_PF) {
netdev_info(netdev, "Changing flow control parameters only supported for PF VSI\n");
return -EOPNOTSUPP;
}
/* Get pause param reports configured and negotiated flow control pause
* when ETHTOOL_GLINKSETTINGS is defined. Since ETHTOOL_GLINKSETTINGS is
* defined get pause param pause->autoneg reports SW configured setting,
* so compare pause->autoneg with SW configured to prevent the user from
* using set pause param to chance autoneg.
*/
pcaps = kzalloc(sizeof(*pcaps), GFP_KERNEL);
if (!pcaps)
return -ENOMEM;
/* Get current PHY config */
err = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_ACTIVE_CFG, pcaps,
NULL);
if (err) {
kfree(pcaps);
return err;
}
is_an = ice_is_phy_caps_an_enabled(pcaps) ? AUTONEG_ENABLE :
AUTONEG_DISABLE;
kfree(pcaps);
if (pause->autoneg != is_an) {
netdev_info(netdev, "To change autoneg please use: ethtool -s <dev> autoneg <on|off>\n");
return -EOPNOTSUPP;
}
/* If we have link and don't have autoneg */
if (!test_bit(ICE_DOWN, pf->state) &&
!(hw_link_info->an_info & ICE_AQ_AN_COMPLETED)) {
/* Send message that it might not necessarily work*/
netdev_info(netdev, "Autoneg did not complete so changing settings may not result in an actual change.\n");
}
if (dcbx_cfg->pfc.pfcena) {
netdev_info(netdev, "Priority flow control enabled. Cannot set link flow control.\n");
return -EOPNOTSUPP;
}
if (pause->rx_pause && pause->tx_pause)
pi->fc.req_mode = ICE_FC_FULL;
else if (pause->rx_pause && !pause->tx_pause)
pi->fc.req_mode = ICE_FC_RX_PAUSE;
else if (!pause->rx_pause && pause->tx_pause)
pi->fc.req_mode = ICE_FC_TX_PAUSE;
else if (!pause->rx_pause && !pause->tx_pause)
pi->fc.req_mode = ICE_FC_NONE;
else
return -EINVAL;
/* Set the FC mode and only restart AN if link is up */
err = ice_set_fc(pi, &aq_failures, link_up);
if (aq_failures & ICE_SET_FC_AQ_FAIL_GET) {
netdev_info(netdev, "Set fc failed on the get_phy_capabilities call with err %d aq_err %s\n",
err, ice_aq_str(hw->adminq.sq_last_status));
err = -EAGAIN;
} else if (aq_failures & ICE_SET_FC_AQ_FAIL_SET) {
netdev_info(netdev, "Set fc failed on the set_phy_config call with err %d aq_err %s\n",
err, ice_aq_str(hw->adminq.sq_last_status));
err = -EAGAIN;
} else if (aq_failures & ICE_SET_FC_AQ_FAIL_UPDATE) {
netdev_info(netdev, "Set fc failed on the get_link_info call with err %d aq_err %s\n",
err, ice_aq_str(hw->adminq.sq_last_status));
err = -EAGAIN;
}
return err;
}
/**
* ice_get_rxfh_key_size - get the RSS hash key size
* @netdev: network interface device structure
*
* Returns the table size.
*/
static u32 ice_get_rxfh_key_size(struct net_device __always_unused *netdev)
{
return ICE_VSIQF_HKEY_ARRAY_SIZE;
}
/**
* ice_get_rxfh_indir_size - get the Rx flow hash indirection table size
* @netdev: network interface device structure
*
* Returns the table size.
*/
static u32 ice_get_rxfh_indir_size(struct net_device *netdev)
{
struct ice_netdev_priv *np = netdev_priv(netdev);
return np->vsi->rss_table_size;
}
static int
ice_get_rxfh_context(struct net_device *netdev, u32 *indir,
u8 *key, u8 *hfunc, u32 rss_context)
{
struct ice_netdev_priv *np = netdev_priv(netdev);
struct ice_vsi *vsi = np->vsi;
struct ice_pf *pf = vsi->back;
u16 qcount, offset;
int err, num_tc, i;
u8 *lut;
if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) {
netdev_warn(netdev, "RSS is not supported on this VSI!\n");
return -EOPNOTSUPP;
}
if (rss_context && !ice_is_adq_active(pf)) {
netdev_err(netdev, "RSS context cannot be non-zero when ADQ is not configured.\n");
return -EINVAL;
}
qcount = vsi->mqprio_qopt.qopt.count[rss_context];
offset = vsi->mqprio_qopt.qopt.offset[rss_context];
if (rss_context && ice_is_adq_active(pf)) {
num_tc = vsi->mqprio_qopt.qopt.num_tc;
if (rss_context >= num_tc) {
netdev_err(netdev, "RSS context:%d > num_tc:%d\n",
rss_context, num_tc);
return -EINVAL;
}
/* Use channel VSI of given TC */
vsi = vsi->tc_map_vsi[rss_context];
}
if (hfunc)
*hfunc = ETH_RSS_HASH_TOP;
if (!indir)
return 0;
lut = kzalloc(vsi->rss_table_size, GFP_KERNEL);
if (!lut)
return -ENOMEM;
err = ice_get_rss_key(vsi, key);
if (err)
goto out;
err = ice_get_rss_lut(vsi, lut, vsi->rss_table_size);
if (err)
goto out;
if (ice_is_adq_active(pf)) {
for (i = 0; i < vsi->rss_table_size; i++)
indir[i] = offset + lut[i] % qcount;
goto out;
}
for (i = 0; i < vsi->rss_table_size; i++)
indir[i] = lut[i];
out:
kfree(lut);
return err;
}
/**
* ice_get_rxfh - get the Rx flow hash indirection table
* @netdev: network interface device structure
* @indir: indirection table
* @key: hash key
* @hfunc: hash function
*
* Reads the indirection table directly from the hardware.
*/
static int
ice_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key, u8 *hfunc)
{
return ice_get_rxfh_context(netdev, indir, key, hfunc, 0);
}
/**
* ice_set_rxfh - set the Rx flow hash indirection table
* @netdev: network interface device structure
* @indir: indirection table
* @key: hash key
* @hfunc: hash function
*
* Returns -EINVAL if the table specifies an invalid queue ID, otherwise
* returns 0 after programming the table.
*/
static int
ice_set_rxfh(struct net_device *netdev, const u32 *indir, const u8 *key,
const u8 hfunc)
{
struct ice_netdev_priv *np = netdev_priv(netdev);
struct ice_vsi *vsi = np->vsi;
struct ice_pf *pf = vsi->back;
struct device *dev;
int err;
dev = ice_pf_to_dev(pf);
if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP)
return -EOPNOTSUPP;
if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) {
/* RSS not supported return error here */
netdev_warn(netdev, "RSS is not configured on this VSI!\n");
return -EIO;
}
if (ice_is_adq_active(pf)) {
netdev_err(netdev, "Cannot change RSS params with ADQ configured.\n");
return -EOPNOTSUPP;
}
if (key) {
if (!vsi->rss_hkey_user) {
vsi->rss_hkey_user =
devm_kzalloc(dev, ICE_VSIQF_HKEY_ARRAY_SIZE,
GFP_KERNEL);
if (!vsi->rss_hkey_user)
return -ENOMEM;
}
memcpy(vsi->rss_hkey_user, key, ICE_VSIQF_HKEY_ARRAY_SIZE);
err = ice_set_rss_key(vsi, vsi->rss_hkey_user);
if (err)
return err;
}
if (!vsi->rss_lut_user) {
vsi->rss_lut_user = devm_kzalloc(dev, vsi->rss_table_size,
GFP_KERNEL);
if (!vsi->rss_lut_user)
return -ENOMEM;
}
/* Each 32 bits pointed by 'indir' is stored with a lut entry */
if (indir) {
int i;
for (i = 0; i < vsi->rss_table_size; i++)
vsi->rss_lut_user[i] = (u8)(indir[i]);
} else {
ice_fill_rss_lut(vsi->rss_lut_user, vsi->rss_table_size,
vsi->rss_size);
}
err = ice_set_rss_lut(vsi, vsi->rss_lut_user, vsi->rss_table_size);
if (err)
return err;
return 0;
}
static int
ice_get_ts_info(struct net_device *dev, struct ethtool_ts_info *info)
{
struct ice_pf *pf = ice_netdev_to_pf(dev);
/* only report timestamping if PTP is enabled */
if (!test_bit(ICE_FLAG_PTP, pf->flags))
return ethtool_op_get_ts_info(dev, info);
info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE |
SOF_TIMESTAMPING_RX_SOFTWARE |
SOF_TIMESTAMPING_SOFTWARE |
SOF_TIMESTAMPING_TX_HARDWARE |
SOF_TIMESTAMPING_RX_HARDWARE |
SOF_TIMESTAMPING_RAW_HARDWARE;
info->phc_index = ice_get_ptp_clock_index(pf);
info->tx_types = BIT(HWTSTAMP_TX_OFF) | BIT(HWTSTAMP_TX_ON);
info->rx_filters = BIT(HWTSTAMP_FILTER_NONE) | BIT(HWTSTAMP_FILTER_ALL);
return 0;
}
/**
* ice_get_max_txq - return the maximum number of Tx queues for in a PF
* @pf: PF structure
*/
static int ice_get_max_txq(struct ice_pf *pf)
{
return min3(pf->num_lan_msix, (u16)num_online_cpus(),
(u16)pf->hw.func_caps.common_cap.num_txq);
}
/**
* ice_get_max_rxq - return the maximum number of Rx queues for in a PF
* @pf: PF structure
*/
static int ice_get_max_rxq(struct ice_pf *pf)
{
return min3(pf->num_lan_msix, (u16)num_online_cpus(),
(u16)pf->hw.func_caps.common_cap.num_rxq);
}
/**
* ice_get_combined_cnt - return the current number of combined channels
* @vsi: PF VSI pointer
*
* Go through all queue vectors and count ones that have both Rx and Tx ring
* attached
*/
static u32 ice_get_combined_cnt(struct ice_vsi *vsi)
{
u32 combined = 0;
int q_idx;
ice_for_each_q_vector(vsi, q_idx) {
struct ice_q_vector *q_vector = vsi->q_vectors[q_idx];
if (q_vector->rx.rx_ring && q_vector->tx.tx_ring)
combined++;
}
return combined;
}
/**
* ice_get_channels - get the current and max supported channels
* @dev: network interface device structure
* @ch: ethtool channel data structure
*/
static void
ice_get_channels(struct net_device *dev, struct ethtool_channels *ch)
{
struct ice_netdev_priv *np = netdev_priv(dev);
struct ice_vsi *vsi = np->vsi;
struct ice_pf *pf = vsi->back;
/* report maximum channels */
ch->max_rx = ice_get_max_rxq(pf);
ch->max_tx = ice_get_max_txq(pf);
ch->max_combined = min_t(int, ch->max_rx, ch->max_tx);
/* report current channels */
ch->combined_count = ice_get_combined_cnt(vsi);
ch->rx_count = vsi->num_rxq - ch->combined_count;
ch->tx_count = vsi->num_txq - ch->combined_count;
/* report other queues */
ch->other_count = test_bit(ICE_FLAG_FD_ENA, pf->flags) ? 1 : 0;
ch->max_other = ch->other_count;
}
/**
* ice_get_valid_rss_size - return valid number of RSS queues
* @hw: pointer to the HW structure
* @new_size: requested RSS queues
*/
static int ice_get_valid_rss_size(struct ice_hw *hw, int new_size)
{
struct ice_hw_common_caps *caps = &hw->func_caps.common_cap;
return min_t(int, new_size, BIT(caps->rss_table_entry_width));
}
/**
* ice_vsi_set_dflt_rss_lut - set default RSS LUT with requested RSS size
* @vsi: VSI to reconfigure RSS LUT on
* @req_rss_size: requested range of queue numbers for hashing
*
* Set the VSI's RSS parameters, configure the RSS LUT based on these.
*/
static int ice_vsi_set_dflt_rss_lut(struct ice_vsi *vsi, int req_rss_size)
{
struct ice_pf *pf = vsi->back;
struct device *dev;
struct ice_hw *hw;
int err;
u8 *lut;
dev = ice_pf_to_dev(pf);
hw = &pf->hw;
if (!req_rss_size)
return -EINVAL;
lut = kzalloc(vsi->rss_table_size, GFP_KERNEL);
if (!lut)
return -ENOMEM;
/* set RSS LUT parameters */
if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags))
vsi->rss_size = 1;
else
vsi->rss_size = ice_get_valid_rss_size(hw, req_rss_size);
/* create/set RSS LUT */
ice_fill_rss_lut(lut, vsi->rss_table_size, vsi->rss_size);
err = ice_set_rss_lut(vsi, lut, vsi->rss_table_size);
if (err)
dev_err(dev, "Cannot set RSS lut, err %d aq_err %s\n", err,
ice_aq_str(hw->adminq.sq_last_status));
kfree(lut);
return err;
}
/**
* ice_set_channels - set the number channels
* @dev: network interface device structure
* @ch: ethtool channel data structure
*/
static int ice_set_channels(struct net_device *dev, struct ethtool_channels *ch)
{
struct ice_netdev_priv *np = netdev_priv(dev);
struct ice_vsi *vsi = np->vsi;
struct ice_pf *pf = vsi->back;
int new_rx = 0, new_tx = 0;
bool locked = false;
u32 curr_combined;
int ret = 0;
/* do not support changing channels in Safe Mode */
if (ice_is_safe_mode(pf)) {
netdev_err(dev, "Changing channel in Safe Mode is not supported\n");
return -EOPNOTSUPP;
}
/* do not support changing other_count */
if (ch->other_count != (test_bit(ICE_FLAG_FD_ENA, pf->flags) ? 1U : 0U))
return -EINVAL;
if (ice_is_adq_active(pf)) {
netdev_err(dev, "Cannot set channels with ADQ configured.\n");
return -EOPNOTSUPP;
}
if (test_bit(ICE_FLAG_FD_ENA, pf->flags) && pf->hw.fdir_active_fltr) {
netdev_err(dev, "Cannot set channels when Flow Director filters are active\n");
return -EOPNOTSUPP;
}
curr_combined = ice_get_combined_cnt(vsi);
/* these checks are for cases where user didn't specify a particular
* value on cmd line but we get non-zero value anyway via
* get_channels(); look at ethtool.c in ethtool repository (the user
* space part), particularly, do_schannels() routine
*/
if (ch->rx_count == vsi->num_rxq - curr_combined)
ch->rx_count = 0;
if (ch->tx_count == vsi->num_txq - curr_combined)
ch->tx_count = 0;
if (ch->combined_count == curr_combined)
ch->combined_count = 0;
if (!(ch->combined_count || (ch->rx_count && ch->tx_count))) {
netdev_err(dev, "Please specify at least 1 Rx and 1 Tx channel\n");
return -EINVAL;
}
new_rx = ch->combined_count + ch->rx_count;
new_tx = ch->combined_count + ch->tx_count;
if (new_rx < vsi->tc_cfg.numtc) {
netdev_err(dev, "Cannot set less Rx channels, than Traffic Classes you have (%u)\n",
vsi->tc_cfg.numtc);
return -EINVAL;
}
if (new_tx < vsi->tc_cfg.numtc) {
netdev_err(dev, "Cannot set less Tx channels, than Traffic Classes you have (%u)\n",
vsi->tc_cfg.numtc);
return -EINVAL;
}
if (new_rx > ice_get_max_rxq(pf)) {
netdev_err(dev, "Maximum allowed Rx channels is %d\n",
ice_get_max_rxq(pf));
return -EINVAL;
}
if (new_tx > ice_get_max_txq(pf)) {
netdev_err(dev, "Maximum allowed Tx channels is %d\n",
ice_get_max_txq(pf));
return -EINVAL;
}
if (pf->adev) {
mutex_lock(&pf->adev_mutex);
device_lock(&pf->adev->dev);
locked = true;
if (pf->adev->dev.driver) {
netdev_err(dev, "Cannot change channels when RDMA is active\n");
ret = -EBUSY;
goto adev_unlock;
}
}
ice_vsi_recfg_qs(vsi, new_rx, new_tx, locked);
if (!netif_is_rxfh_configured(dev)) {
ret = ice_vsi_set_dflt_rss_lut(vsi, new_rx);
goto adev_unlock;
}
/* Update rss_size due to change in Rx queues */
vsi->rss_size = ice_get_valid_rss_size(&pf->hw, new_rx);
adev_unlock:
if (locked) {
device_unlock(&pf->adev->dev);
mutex_unlock(&pf->adev_mutex);
}
return ret;
}
/**
* ice_get_wol - get current Wake on LAN configuration
* @netdev: network interface device structure
* @wol: Ethtool structure to retrieve WoL settings
*/
static void ice_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
{
struct ice_netdev_priv *np = netdev_priv(netdev);
struct ice_pf *pf = np->vsi->back;
if (np->vsi->type != ICE_VSI_PF)
netdev_warn(netdev, "Wake on LAN is not supported on this interface!\n");
/* Get WoL settings based on the HW capability */
if (ice_is_wol_supported(&pf->hw)) {
wol->supported = WAKE_MAGIC;
wol->wolopts = pf->wol_ena ? WAKE_MAGIC : 0;
} else {
wol->supported = 0;
wol->wolopts = 0;
}
}
/**
* ice_set_wol - set Wake on LAN on supported device
* @netdev: network interface device structure
* @wol: Ethtool structure to set WoL
*/
static int ice_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
{
struct ice_netdev_priv *np = netdev_priv(netdev);
struct ice_vsi *vsi = np->vsi;
struct ice_pf *pf = vsi->back;
if (vsi->type != ICE_VSI_PF || !ice_is_wol_supported(&pf->hw))
return -EOPNOTSUPP;
/* only magic packet is supported */
if (wol->wolopts && wol->wolopts != WAKE_MAGIC)
return -EOPNOTSUPP;
/* Set WoL only if there is a new value */
if (pf->wol_ena != !!wol->wolopts) {
pf->wol_ena = !!wol->wolopts;
device_set_wakeup_enable(ice_pf_to_dev(pf), pf->wol_ena);
netdev_dbg(netdev, "WoL magic packet %sabled\n",
pf->wol_ena ? "en" : "dis");
}
return 0;
}
/**
* ice_get_rc_coalesce - get ITR values for specific ring container
* @ec: ethtool structure to fill with driver's coalesce settings
* @rc: ring container that the ITR values will come from
*
* Query the device for ice_ring_container specific ITR values. This is
* done per ice_ring_container because each q_vector can have 1 or more rings
* and all of said ring(s) will have the same ITR values.
*
* Returns 0 on success, negative otherwise.
*/
static int
ice_get_rc_coalesce(struct ethtool_coalesce *ec, struct ice_ring_container *rc)
{
if (!rc->rx_ring)
return -EINVAL;
switch (rc->type) {
case ICE_RX_CONTAINER:
ec->use_adaptive_rx_coalesce = ITR_IS_DYNAMIC(rc);
ec->rx_coalesce_usecs = rc->itr_setting;
ec->rx_coalesce_usecs_high = rc->rx_ring->q_vector->intrl;
break;
case ICE_TX_CONTAINER:
ec->use_adaptive_tx_coalesce = ITR_IS_DYNAMIC(rc);
ec->tx_coalesce_usecs = rc->itr_setting;
break;
default:
dev_dbg(ice_pf_to_dev(rc->rx_ring->vsi->back), "Invalid c_type %d\n", rc->type);
return -EINVAL;
}
return 0;
}
/**
* ice_get_q_coalesce - get a queue's ITR/INTRL (coalesce) settings
* @vsi: VSI associated to the queue for getting ITR/INTRL (coalesce) settings
* @ec: coalesce settings to program the device with
* @q_num: update ITR/INTRL (coalesce) settings for this queue number/index
*
* Return 0 on success, and negative under the following conditions:
* 1. Getting Tx or Rx ITR/INTRL (coalesce) settings failed.
* 2. The q_num passed in is not a valid number/index for Tx and Rx rings.
*/
static int
ice_get_q_coalesce(struct ice_vsi *vsi, struct ethtool_coalesce *ec, int q_num)
{
if (q_num < vsi->num_rxq && q_num < vsi->num_txq) {
if (ice_get_rc_coalesce(ec,
&vsi->rx_rings[q_num]->q_vector->rx))
return -EINVAL;
if (ice_get_rc_coalesce(ec,
&vsi->tx_rings[q_num]->q_vector->tx))
return -EINVAL;
} else if (q_num < vsi->num_rxq) {
if (ice_get_rc_coalesce(ec,
&vsi->rx_rings[q_num]->q_vector->rx))
return -EINVAL;
} else if (q_num < vsi->num_txq) {
if (ice_get_rc_coalesce(ec,
&vsi->tx_rings[q_num]->q_vector->tx))
return -EINVAL;
} else {
return -EINVAL;
}
return 0;
}
/**
* __ice_get_coalesce - get ITR/INTRL values for the device
* @netdev: pointer to the netdev associated with this query
* @ec: ethtool structure to fill with driver's coalesce settings
* @q_num: queue number to get the coalesce settings for
*
* If the caller passes in a negative q_num then we return coalesce settings
* based on queue number 0, else use the actual q_num passed in.
*/
static int
__ice_get_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec,
int q_num)
{
struct ice_netdev_priv *np = netdev_priv(netdev);
struct ice_vsi *vsi = np->vsi;
if (q_num < 0)
q_num = 0;
if (ice_get_q_coalesce(vsi, ec, q_num))
return -EINVAL;
return 0;
}
static int ice_get_coalesce(struct net_device *netdev,
struct ethtool_coalesce *ec,
struct kernel_ethtool_coalesce *kernel_coal,
struct netlink_ext_ack *extack)
{
return __ice_get_coalesce(netdev, ec, -1);
}
static int
ice_get_per_q_coalesce(struct net_device *netdev, u32 q_num,
struct ethtool_coalesce *ec)
{
return __ice_get_coalesce(netdev, ec, q_num);
}
/**
* ice_set_rc_coalesce - set ITR values for specific ring container
* @ec: ethtool structure from user to update ITR settings
* @rc: ring container that the ITR values will come from
* @vsi: VSI associated to the ring container
*
* Set specific ITR values. This is done per ice_ring_container because each
* q_vector can have 1 or more rings and all of said ring(s) will have the same
* ITR values.
*
* Returns 0 on success, negative otherwise.
*/
static int
ice_set_rc_coalesce(struct ethtool_coalesce *ec,
struct ice_ring_container *rc, struct ice_vsi *vsi)
{
const char *c_type_str = (rc->type == ICE_RX_CONTAINER) ? "rx" : "tx";
u32 use_adaptive_coalesce, coalesce_usecs;
struct ice_pf *pf = vsi->back;
u16 itr_setting;
if (!rc->rx_ring)
return -EINVAL;
switch (rc->type) {
case ICE_RX_CONTAINER:
{
struct ice_q_vector *q_vector = rc->rx_ring->q_vector;
if (ec->rx_coalesce_usecs_high > ICE_MAX_INTRL ||
(ec->rx_coalesce_usecs_high &&
ec->rx_coalesce_usecs_high < pf->hw.intrl_gran)) {
netdev_info(vsi->netdev, "Invalid value, %s-usecs-high valid values are 0 (disabled), %d-%d\n",
c_type_str, pf->hw.intrl_gran,
ICE_MAX_INTRL);
return -EINVAL;
}
if (ec->rx_coalesce_usecs_high != q_vector->intrl &&
(ec->use_adaptive_rx_coalesce || ec->use_adaptive_tx_coalesce)) {
netdev_info(vsi->netdev, "Invalid value, %s-usecs-high cannot be changed if adaptive-tx or adaptive-rx is enabled\n",
c_type_str);
return -EINVAL;
}
if (ec->rx_coalesce_usecs_high != q_vector->intrl)
q_vector->intrl = ec->rx_coalesce_usecs_high;
use_adaptive_coalesce = ec->use_adaptive_rx_coalesce;
coalesce_usecs = ec->rx_coalesce_usecs;
break;
}
case ICE_TX_CONTAINER:
use_adaptive_coalesce = ec->use_adaptive_tx_coalesce;
coalesce_usecs = ec->tx_coalesce_usecs;
break;
default:
dev_dbg(ice_pf_to_dev(pf), "Invalid container type %d\n",
rc->type);
return -EINVAL;
}
itr_setting = rc->itr_setting;
if (coalesce_usecs != itr_setting && use_adaptive_coalesce) {
netdev_info(vsi->netdev, "%s interrupt throttling cannot be changed if adaptive-%s is enabled\n",
c_type_str, c_type_str);
return -EINVAL;
}
if (coalesce_usecs > ICE_ITR_MAX) {
netdev_info(vsi->netdev, "Invalid value, %s-usecs range is 0-%d\n",
c_type_str, ICE_ITR_MAX);
return -EINVAL;
}
if (use_adaptive_coalesce) {
rc->itr_mode = ITR_DYNAMIC;
} else {
rc->itr_mode = ITR_STATIC;
/* store user facing value how it was set */
rc->itr_setting = coalesce_usecs;
/* write the change to the register */
ice_write_itr(rc, coalesce_usecs);
/* force writes to take effect immediately, the flush shouldn't
* be done in the functions above because the intent is for
* them to do lazy writes.
*/
ice_flush(&pf->hw);
}
return 0;
}
/**
* ice_set_q_coalesce - set a queue's ITR/INTRL (coalesce) settings
* @vsi: VSI associated to the queue that need updating
* @ec: coalesce settings to program the device with
* @q_num: update ITR/INTRL (coalesce) settings for this queue number/index
*
* Return 0 on success, and negative under the following conditions:
* 1. Setting Tx or Rx ITR/INTRL (coalesce) settings failed.
* 2. The q_num passed in is not a valid number/index for Tx and Rx rings.
*/
static int
ice_set_q_coalesce(struct ice_vsi *vsi, struct ethtool_coalesce *ec, int q_num)
{
if (q_num < vsi->num_rxq && q_num < vsi->num_txq) {
if (ice_set_rc_coalesce(ec,
&vsi->rx_rings[q_num]->q_vector->rx,
vsi))
return -EINVAL;
if (ice_set_rc_coalesce(ec,
&vsi->tx_rings[q_num]->q_vector->tx,
vsi))
return -EINVAL;
} else if (q_num < vsi->num_rxq) {
if (ice_set_rc_coalesce(ec,
&vsi->rx_rings[q_num]->q_vector->rx,
vsi))
return -EINVAL;
} else if (q_num < vsi->num_txq) {
if (ice_set_rc_coalesce(ec,
&vsi->tx_rings[q_num]->q_vector->tx,
vsi))
return -EINVAL;
} else {
return -EINVAL;
}
return 0;
}
/**
* ice_print_if_odd_usecs - print message if user tries to set odd [tx|rx]-usecs
* @netdev: netdev used for print
* @itr_setting: previous user setting
* @use_adaptive_coalesce: if adaptive coalesce is enabled or being enabled
* @coalesce_usecs: requested value of [tx|rx]-usecs
* @c_type_str: either "rx" or "tx" to match user set field of [tx|rx]-usecs
*/
static void
ice_print_if_odd_usecs(struct net_device *netdev, u16 itr_setting,
u32 use_adaptive_coalesce, u32 coalesce_usecs,
const char *c_type_str)
{
if (use_adaptive_coalesce)
return;
if (itr_setting != coalesce_usecs && (coalesce_usecs % 2))
netdev_info(netdev, "User set %s-usecs to %d, device only supports even values. Rounding down and attempting to set %s-usecs to %d\n",
c_type_str, coalesce_usecs, c_type_str,
ITR_REG_ALIGN(coalesce_usecs));
}
/**
* __ice_set_coalesce - set ITR/INTRL values for the device
* @netdev: pointer to the netdev associated with this query
* @ec: ethtool structure to fill with driver's coalesce settings
* @q_num: queue number to get the coalesce settings for
*
* If the caller passes in a negative q_num then we set the coalesce settings
* for all Tx/Rx queues, else use the actual q_num passed in.
*/
static int
__ice_set_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec,
int q_num)
{
struct ice_netdev_priv *np = netdev_priv(netdev);
struct ice_vsi *vsi = np->vsi;
if (q_num < 0) {
struct ice_q_vector *q_vector = vsi->q_vectors[0];
int v_idx;
if (q_vector) {
ice_print_if_odd_usecs(netdev, q_vector->rx.itr_setting,
ec->use_adaptive_rx_coalesce,
ec->rx_coalesce_usecs, "rx");
ice_print_if_odd_usecs(netdev, q_vector->tx.itr_setting,
ec->use_adaptive_tx_coalesce,
ec->tx_coalesce_usecs, "tx");
}
ice_for_each_q_vector(vsi, v_idx) {
/* In some cases if DCB is configured the num_[rx|tx]q
* can be less than vsi->num_q_vectors. This check
* accounts for that so we don't report a false failure
*/
if (v_idx >= vsi->num_rxq && v_idx >= vsi->num_txq)
goto set_complete;
if (ice_set_q_coalesce(vsi, ec, v_idx))
return -EINVAL;
ice_set_q_vector_intrl(vsi->q_vectors[v_idx]);
}
goto set_complete;
}
if (ice_set_q_coalesce(vsi, ec, q_num))
return -EINVAL;
ice_set_q_vector_intrl(vsi->q_vectors[q_num]);
set_complete:
return 0;
}
static int ice_set_coalesce(struct net_device *netdev,
struct ethtool_coalesce *ec,
struct kernel_ethtool_coalesce *kernel_coal,
struct netlink_ext_ack *extack)
{
return __ice_set_coalesce(netdev, ec, -1);
}
static int
ice_set_per_q_coalesce(struct net_device *netdev, u32 q_num,
struct ethtool_coalesce *ec)
{
return __ice_set_coalesce(netdev, ec, q_num);
}
static void
ice_repr_get_drvinfo(struct net_device *netdev,
struct ethtool_drvinfo *drvinfo)
{
struct ice_repr *repr = ice_netdev_to_repr(netdev);
if (ice_check_vf_ready_for_cfg(repr->vf))
return;
__ice_get_drvinfo(netdev, drvinfo, repr->src_vsi);
}
static void
ice_repr_get_strings(struct net_device *netdev, u32 stringset, u8 *data)
{
struct ice_repr *repr = ice_netdev_to_repr(netdev);
/* for port representors only ETH_SS_STATS is supported */
if (ice_check_vf_ready_for_cfg(repr->vf) ||
stringset != ETH_SS_STATS)
return;
__ice_get_strings(netdev, stringset, data, repr->src_vsi);
}
static void
ice_repr_get_ethtool_stats(struct net_device *netdev,
struct ethtool_stats __always_unused *stats,
u64 *data)
{
struct ice_repr *repr = ice_netdev_to_repr(netdev);
if (ice_check_vf_ready_for_cfg(repr->vf))
return;
__ice_get_ethtool_stats(netdev, stats, data, repr->src_vsi);
}
static int ice_repr_get_sset_count(struct net_device *netdev, int sset)
{
switch (sset) {
case ETH_SS_STATS:
return ICE_VSI_STATS_LEN;
default:
return -EOPNOTSUPP;
}
}
#define ICE_I2C_EEPROM_DEV_ADDR 0xA0
#define ICE_I2C_EEPROM_DEV_ADDR2 0xA2
#define ICE_MODULE_TYPE_SFP 0x03
#define ICE_MODULE_TYPE_QSFP_PLUS 0x0D
#define ICE_MODULE_TYPE_QSFP28 0x11
#define ICE_MODULE_SFF_ADDR_MODE 0x04
#define ICE_MODULE_SFF_DIAG_CAPAB 0x40
#define ICE_MODULE_REVISION_ADDR 0x01
#define ICE_MODULE_SFF_8472_COMP 0x5E
#define ICE_MODULE_SFF_8472_SWAP 0x5C
#define ICE_MODULE_QSFP_MAX_LEN 640
/**
* ice_get_module_info - get SFF module type and revision information
* @netdev: network interface device structure
* @modinfo: module EEPROM size and layout information structure
*/
static int
ice_get_module_info(struct net_device *netdev,
struct ethtool_modinfo *modinfo)
{
struct ice_netdev_priv *np = netdev_priv(netdev);
struct ice_vsi *vsi = np->vsi;
struct ice_pf *pf = vsi->back;
struct ice_hw *hw = &pf->hw;
u8 sff8472_comp = 0;
u8 sff8472_swap = 0;
u8 sff8636_rev = 0;
u8 value = 0;
int status;
status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR, 0x00, 0x00,
0, &value, 1, 0, NULL);
if (status)
return status;
switch (value) {
case ICE_MODULE_TYPE_SFP:
status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR,
ICE_MODULE_SFF_8472_COMP, 0x00, 0,
&sff8472_comp, 1, 0, NULL);
if (status)
return status;
status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR,
ICE_MODULE_SFF_8472_SWAP, 0x00, 0,
&sff8472_swap, 1, 0, NULL);
if (status)
return status;
if (sff8472_swap & ICE_MODULE_SFF_ADDR_MODE) {
modinfo->type = ETH_MODULE_SFF_8079;
modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN;
} else if (sff8472_comp &&
(sff8472_swap & ICE_MODULE_SFF_DIAG_CAPAB)) {
modinfo->type = ETH_MODULE_SFF_8472;
modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN;
} else {
modinfo->type = ETH_MODULE_SFF_8079;
modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN;
}
break;
case ICE_MODULE_TYPE_QSFP_PLUS:
case ICE_MODULE_TYPE_QSFP28:
status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR,
ICE_MODULE_REVISION_ADDR, 0x00, 0,
&sff8636_rev, 1, 0, NULL);
if (status)
return status;
/* Check revision compliance */
if (sff8636_rev > 0x02) {
/* Module is SFF-8636 compliant */
modinfo->type = ETH_MODULE_SFF_8636;
modinfo->eeprom_len = ICE_MODULE_QSFP_MAX_LEN;
} else {
modinfo->type = ETH_MODULE_SFF_8436;
modinfo->eeprom_len = ICE_MODULE_QSFP_MAX_LEN;
}
break;
default:
netdev_warn(netdev, "SFF Module Type not recognized.\n");
return -EINVAL;
}
return 0;
}
/**
* ice_get_module_eeprom - fill buffer with SFF EEPROM contents
* @netdev: network interface device structure
* @ee: EEPROM dump request structure
* @data: buffer to be filled with EEPROM contents
*/
static int
ice_get_module_eeprom(struct net_device *netdev,
struct ethtool_eeprom *ee, u8 *data)
{
struct ice_netdev_priv *np = netdev_priv(netdev);
#define SFF_READ_BLOCK_SIZE 8
u8 value[SFF_READ_BLOCK_SIZE] = { 0 };
u8 addr = ICE_I2C_EEPROM_DEV_ADDR;
struct ice_vsi *vsi = np->vsi;
struct ice_pf *pf = vsi->back;
struct ice_hw *hw = &pf->hw;
bool is_sfp = false;
unsigned int i, j;
u16 offset = 0;
u8 page = 0;
int status;
if (!ee || !ee->len || !data)
return -EINVAL;
status = ice_aq_sff_eeprom(hw, 0, addr, offset, page, 0, value, 1, 0,
NULL);
if (status)
return status;
if (value[0] == ICE_MODULE_TYPE_SFP)
is_sfp = true;
memset(data, 0, ee->len);
for (i = 0; i < ee->len; i += SFF_READ_BLOCK_SIZE) {
offset = i + ee->offset;
page = 0;
/* Check if we need to access the other memory page */
if (is_sfp) {
if (offset >= ETH_MODULE_SFF_8079_LEN) {
offset -= ETH_MODULE_SFF_8079_LEN;
addr = ICE_I2C_EEPROM_DEV_ADDR2;
}
} else {
while (offset >= ETH_MODULE_SFF_8436_LEN) {
/* Compute memory page number and offset. */
offset -= ETH_MODULE_SFF_8436_LEN / 2;
page++;
}
}
/* Bit 2 of EEPROM address 0x02 declares upper
* pages are disabled on QSFP modules.
* SFP modules only ever use page 0.
*/
if (page == 0 || !(data[0x2] & 0x4)) {
u32 copy_len;
/* If i2c bus is busy due to slow page change or
* link management access, call can fail. This is normal.
* So we retry this a few times.
*/
for (j = 0; j < 4; j++) {
status = ice_aq_sff_eeprom(hw, 0, addr, offset, page,
!is_sfp, value,
SFF_READ_BLOCK_SIZE,
0, NULL);
netdev_dbg(netdev, "SFF %02X %02X %02X %X = %02X%02X%02X%02X.%02X%02X%02X%02X (%X)\n",
addr, offset, page, is_sfp,
value[0], value[1], value[2], value[3],
value[4], value[5], value[6], value[7],
status);
if (status) {
usleep_range(1500, 2500);
memset(value, 0, SFF_READ_BLOCK_SIZE);
continue;
}
break;
}
/* Make sure we have enough room for the new block */
copy_len = min_t(u32, SFF_READ_BLOCK_SIZE, ee->len - i);
memcpy(data + i, value, copy_len);
}
}
return 0;
}
static const struct ethtool_ops ice_ethtool_ops = {
.supported_coalesce_params = ETHTOOL_COALESCE_USECS |
ETHTOOL_COALESCE_USE_ADAPTIVE |
ETHTOOL_COALESCE_RX_USECS_HIGH,
.get_link_ksettings = ice_get_link_ksettings,
.set_link_ksettings = ice_set_link_ksettings,
.get_drvinfo = ice_get_drvinfo,
.get_regs_len = ice_get_regs_len,
.get_regs = ice_get_regs,
.get_wol = ice_get_wol,
.set_wol = ice_set_wol,
.get_msglevel = ice_get_msglevel,
.set_msglevel = ice_set_msglevel,
.self_test = ice_self_test,
.get_link = ethtool_op_get_link,
.get_eeprom_len = ice_get_eeprom_len,
.get_eeprom = ice_get_eeprom,
.get_coalesce = ice_get_coalesce,
.set_coalesce = ice_set_coalesce,
.get_strings = ice_get_strings,
.set_phys_id = ice_set_phys_id,
.get_ethtool_stats = ice_get_ethtool_stats,
.get_priv_flags = ice_get_priv_flags,
.set_priv_flags = ice_set_priv_flags,
.get_sset_count = ice_get_sset_count,
.get_rxnfc = ice_get_rxnfc,
.set_rxnfc = ice_set_rxnfc,
.get_ringparam = ice_get_ringparam,
.set_ringparam = ice_set_ringparam,
.nway_reset = ice_nway_reset,
.get_pauseparam = ice_get_pauseparam,
.set_pauseparam = ice_set_pauseparam,
.get_rxfh_key_size = ice_get_rxfh_key_size,
.get_rxfh_indir_size = ice_get_rxfh_indir_size,
.get_rxfh_context = ice_get_rxfh_context,
.get_rxfh = ice_get_rxfh,
.set_rxfh = ice_set_rxfh,
.get_channels = ice_get_channels,
.set_channels = ice_set_channels,
.get_ts_info = ice_get_ts_info,
.get_per_queue_coalesce = ice_get_per_q_coalesce,
.set_per_queue_coalesce = ice_set_per_q_coalesce,
.get_fecparam = ice_get_fecparam,
.set_fecparam = ice_set_fecparam,
.get_module_info = ice_get_module_info,
.get_module_eeprom = ice_get_module_eeprom,
};
static const struct ethtool_ops ice_ethtool_safe_mode_ops = {
.get_link_ksettings = ice_get_link_ksettings,
.set_link_ksettings = ice_set_link_ksettings,
.get_drvinfo = ice_get_drvinfo,
.get_regs_len = ice_get_regs_len,
.get_regs = ice_get_regs,
.get_wol = ice_get_wol,
.set_wol = ice_set_wol,
.get_msglevel = ice_get_msglevel,
.set_msglevel = ice_set_msglevel,
.get_link = ethtool_op_get_link,
.get_eeprom_len = ice_get_eeprom_len,
.get_eeprom = ice_get_eeprom,
.get_strings = ice_get_strings,
.get_ethtool_stats = ice_get_ethtool_stats,
.get_sset_count = ice_get_sset_count,
.get_ringparam = ice_get_ringparam,
.set_ringparam = ice_set_ringparam,
.nway_reset = ice_nway_reset,
.get_channels = ice_get_channels,
};
/**
* ice_set_ethtool_safe_mode_ops - setup safe mode ethtool ops
* @netdev: network interface device structure
*/
void ice_set_ethtool_safe_mode_ops(struct net_device *netdev)
{
netdev->ethtool_ops = &ice_ethtool_safe_mode_ops;
}
static const struct ethtool_ops ice_ethtool_repr_ops = {
.get_drvinfo = ice_repr_get_drvinfo,
.get_link = ethtool_op_get_link,
.get_strings = ice_repr_get_strings,
.get_ethtool_stats = ice_repr_get_ethtool_stats,
.get_sset_count = ice_repr_get_sset_count,
};
/**
* ice_set_ethtool_repr_ops - setup VF's port representor ethtool ops
* @netdev: network interface device structure
*/
void ice_set_ethtool_repr_ops(struct net_device *netdev)
{
netdev->ethtool_ops = &ice_ethtool_repr_ops;
}
/**
* ice_set_ethtool_ops - setup netdev ethtool ops
* @netdev: network interface device structure
*
* setup netdev ethtool ops with ice specific ops
*/
void ice_set_ethtool_ops(struct net_device *netdev)
{
netdev->ethtool_ops = &ice_ethtool_ops;
}