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ice: Add handler for ethtool selftest

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This patch adds a handler for ethtool selftest. Selftest includes
testing link, interrupts, eeprom, registers and packet loopback.

Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This commit is contained in:
Anirudh Venkataramanan 2019-04-16 10:30:43 -07:00 committed by Jeff Kirsher
parent 4b6f3ecabf
commit 0e674aeb0b
11 changed files with 752 additions and 13 deletions
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8
drivers/net/ethernet/intel/ice/ice.h
View File

@ -189,6 +189,7 @@ struct ice_sw {
};
enum ice_state {
__ICE_TESTING,
__ICE_DOWN,
__ICE_NEEDS_RESTART,
__ICE_PREPARED_FOR_RESET, /* set by driver when prepared */
@ -399,6 +400,7 @@ struct ice_pf {
unsigned long tx_timeout_last_recovery;
u32 tx_timeout_recovery_level;
char int_name[ICE_INT_NAME_STR_LEN];
u32 sw_int_count;
};
struct ice_netdev_priv {
@ -451,9 +453,13 @@ ice_find_vsi_by_type(struct ice_pf *pf, enum ice_vsi_type type)
return NULL;
}
int ice_vsi_setup_tx_rings(struct ice_vsi *vsi);
int ice_vsi_setup_rx_rings(struct ice_vsi *vsi);
void ice_set_ethtool_ops(struct net_device *netdev);
int ice_up(struct ice_vsi *vsi);
int ice_down(struct ice_vsi *vsi);
int ice_vsi_cfg(struct ice_vsi *vsi);
struct ice_vsi *ice_lb_vsi_setup(struct ice_pf *pf, struct ice_port_info *pi);
int ice_set_rss(struct ice_vsi *vsi, u8 *seed, u8 *lut, u16 lut_size);
int ice_get_rss(struct ice_vsi *vsi, u8 *seed, u8 *lut, u16 lut_size);
void ice_fill_rss_lut(u8 *lut, u16 rss_table_size, u16 rss_size);
@ -462,5 +468,7 @@ void ice_print_link_msg(struct ice_vsi *vsi, bool isup);
int ice_pf_ena_all_vsi(struct ice_pf *pf, bool locked);
void ice_pf_dis_all_vsi(struct ice_pf *pf, bool locked);
#endif /* CONFIG_DCB */
int ice_open(struct net_device *netdev);
int ice_stop(struct net_device *netdev);
#endif /* _ICE_H_ */

23
drivers/net/ethernet/intel/ice/ice_adminq_cmd.h
View File

@ -1112,6 +1112,14 @@ struct ice_aqc_set_event_mask {
u8 reserved1[6];
};
/* Set MAC Loopback command (direct 0x0620) */
struct ice_aqc_set_mac_lb {
u8 lb_mode;
#define ICE_AQ_MAC_LB_EN BIT(0)
#define ICE_AQ_MAC_LB_OSC_CLK BIT(1)
u8 reserved[15];
};
/* Set Port Identification LED (direct, 0x06E9) */
struct ice_aqc_set_port_id_led {
u8 lport_num;
@ -1145,6 +1153,17 @@ struct ice_aqc_nvm {
__le32 addr_low;
};
/* NVM Checksum Command (direct, 0x0706) */
struct ice_aqc_nvm_checksum {
u8 flags;
#define ICE_AQC_NVM_CHECKSUM_VERIFY BIT(0)
#define ICE_AQC_NVM_CHECKSUM_RECALC BIT(1)
u8 rsvd;
__le16 checksum; /* Used only by response */
#define ICE_AQC_NVM_CHECKSUM_CORRECT 0xBABA
u8 rsvd2[12];
};
/**
* Send to PF command (indirect 0x0801) ID is only used by PF
*
@ -1539,6 +1558,7 @@ struct ice_aq_desc {
struct ice_aqc_query_txsched_res query_sched_res;
struct ice_aqc_query_port_ets port_ets;
struct ice_aqc_nvm nvm;
struct ice_aqc_nvm_checksum nvm_checksum;
struct ice_aqc_pf_vf_msg virt;
struct ice_aqc_lldp_get_mib lldp_get_mib;
struct ice_aqc_lldp_set_mib_change lldp_set_event;
@ -1554,6 +1574,7 @@ struct ice_aq_desc {
struct ice_aqc_add_update_free_vsi_resp add_update_free_vsi_res;
struct ice_aqc_fw_logging fw_logging;
struct ice_aqc_get_clear_fw_log get_clear_fw_log;
struct ice_aqc_set_mac_lb set_mac_lb;
struct ice_aqc_alloc_free_res_cmd sw_res_ctrl;
struct ice_aqc_set_event_mask set_event_mask;
struct ice_aqc_get_link_status get_link_status;
@ -1642,10 +1663,12 @@ enum ice_adminq_opc {
ice_aqc_opc_restart_an = 0x0605,
ice_aqc_opc_get_link_status = 0x0607,
ice_aqc_opc_set_event_mask = 0x0613,
ice_aqc_opc_set_mac_lb = 0x0620,
ice_aqc_opc_set_port_id_led = 0x06E9,
/* NVM commands */
ice_aqc_opc_nvm_read = 0x0701,
ice_aqc_opc_nvm_checksum = 0x0706,
/* PF/VF mailbox commands */
ice_mbx_opc_send_msg_to_pf = 0x0801,

23
drivers/net/ethernet/intel/ice/ice_common.c
View File

@ -2169,6 +2169,29 @@ ice_aq_set_event_mask(struct ice_hw *hw, u8 port_num, u16 mask,
return ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
}
/**
* ice_aq_set_mac_loopback
* @hw: pointer to the HW struct
* @ena_lpbk: Enable or Disable loopback
* @cd: pointer to command details structure or NULL
*
* Enable/disable loopback on a given port
*/
enum ice_status
ice_aq_set_mac_loopback(struct ice_hw *hw, bool ena_lpbk, struct ice_sq_cd *cd)
{
struct ice_aqc_set_mac_lb *cmd;
struct ice_aq_desc desc;
cmd = &desc.params.set_mac_lb;
ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_mac_lb);
if (ena_lpbk)
cmd->lb_mode = ICE_AQ_MAC_LB_EN;
return ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
}
/**
* ice_aq_set_port_id_led
* @pi: pointer to the port information

5
drivers/net/ethernet/intel/ice/ice_common.h
View File

@ -9,6 +9,8 @@
#include "ice_switch.h"
#include <linux/avf/virtchnl.h>
enum ice_status ice_nvm_validate_checksum(struct ice_hw *hw);
void
ice_debug_cq(struct ice_hw *hw, u32 mask, void *desc, void *buf, u16 buf_len);
enum ice_status ice_init_hw(struct ice_hw *hw);
@ -94,6 +96,9 @@ ice_aq_get_link_info(struct ice_port_info *pi, bool ena_lse,
enum ice_status
ice_aq_set_event_mask(struct ice_hw *hw, u8 port_num, u16 mask,
struct ice_sq_cd *cd);
enum ice_status
ice_aq_set_mac_loopback(struct ice_hw *hw, bool ena_lpbk, struct ice_sq_cd *cd);
enum ice_status
ice_aq_set_port_id_led(struct ice_port_info *pi, bool is_orig_mode,
struct ice_sq_cd *cd);

592
drivers/net/ethernet/intel/ice/ice_ethtool.c
View File

@ -61,6 +61,24 @@ static const struct ice_stats ice_gstrings_vsi_stats[] = {
ICE_VSI_STAT("tx_linearize", tx_linearize),
};
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
@ -120,6 +138,9 @@ static const u32 ice_regs_dump_list[] = {
QINT_RQCTL(0),
PFINT_OICR_ENA,
QRX_ITR(0),
PF0INT_ITR_0(0),
PF0INT_ITR_1(0),
PF0INT_ITR_2(0),
};
struct ice_priv_flag {
@ -278,6 +299,571 @@ ice_get_eeprom(struct net_device *netdev, struct ethtool_eeprom *eeprom,
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)
{
struct ice_vf *vf = pf->vf;
int i;
for (i = 0; i < pf->num_alloc_vfs; i++, vf++)
if (test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states))
return true;
return false;
}
/**
* 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);
enum ice_status status;
bool link_up = false;
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;
static const u32 patterns[] = {
0x5A5A5A5A, 0xA5A5A5A5,
0x00000000, 0xFFFFFFFF
};
u32 val, orig_val;
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(&pf->pdev->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(&pf->pdev->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}
};
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_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_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(&pf->pdev->dev, 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_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_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(ICE_TX_DESC_CMD_EOP | ICE_TX_DESC_CMD_RS)))
continue;
rx_buf = &rx_ring->rx_buf[i];
received_buf = page_address(rx_buf->page);
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;
struct ice_ring *tx_ring, *rx_ring;
u8 broadcast[ETH_ALEN], ret = 0;
int num_frames, valid_frames;
LIST_HEAD(tmp_list);
u8 *tx_frame;
int i;
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");
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_add_mac_to_list(test_vsi, &tmp_list, broadcast)) {
ret = 5;
goto lbtest_mac_dis;
}
if (ice_add_mac(&pf->hw, &tmp_list)) {
ret = 6;
goto free_mac_list;
}
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(&pf->pdev->dev, tx_frame);
remove_mac_filters:
if (ice_remove_mac(&pf->hw, &tmp_list))
netdev_err(netdev, "Could not remove MAC filter for the test VSI");
free_mac_list:
ice_free_fltr_list(&pf->pdev->dev, &tmp_list);
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");
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->sw_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;
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(&pf->pdev->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(&pf->pdev->dev,
"Could not open device %s, err %d",
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_netdev_priv *np = netdev_priv(netdev);
@ -335,6 +921,9 @@ static void ice_get_strings(struct net_device *netdev, u32 stringset, u8 *data)
p += ETH_GSTRING_LEN;
}
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++) {
snprintf(p, ETH_GSTRING_LEN, "%s",
@ -529,6 +1118,8 @@ static int ice_get_sset_count(struct net_device *netdev, int sset)
* 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:
@ -2558,6 +3149,7 @@ static const struct ethtool_ops ice_ethtool_ops = {
.get_regs = ice_get_regs,
.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,

4
drivers/net/ethernet/intel/ice/ice_hw_autogen.h
View File

@ -6,6 +6,9 @@
#ifndef _ICE_HW_AUTOGEN_H_
#define _ICE_HW_AUTOGEN_H_
#define PF0INT_ITR_0(_i) (0x03000004 + ((_i) * 4096))
#define PF0INT_ITR_1(_i) (0x03000008 + ((_i) * 4096))
#define PF0INT_ITR_2(_i) (0x0300000C + ((_i) * 4096))
#define QTX_COMM_DBELL(_DBQM) (0x002C0000 + ((_DBQM) * 4))
#define QTX_COMM_HEAD(_DBQM) (0x000E0000 + ((_DBQM) * 4))
#define QTX_COMM_HEAD_HEAD_S 0
@ -155,6 +158,7 @@
#define PFINT_OICR_HMC_ERR_M BIT(26)
#define PFINT_OICR_PE_CRITERR_M BIT(28)
#define PFINT_OICR_VFLR_M BIT(29)
#define PFINT_OICR_SWINT_M BIT(31)
#define PFINT_OICR_CTL 0x0016CA80
#define PFINT_OICR_CTL_MSIX_INDX_M ICE_M(0x7FF, 0)
#define PFINT_OICR_CTL_ITR_INDX_S 11

44
drivers/net/ethernet/intel/ice/ice_lib.c
View File

@ -137,6 +137,8 @@ ice_setup_tx_ctx(struct ice_ring *ring, struct ice_tlan_ctx *tlan_ctx, u16 pf_q)
* for PF or EMP this field should be set to zero
*/
switch (vsi->type) {
case ICE_VSI_LB:
/* fall through */
case ICE_VSI_PF:
tlan_ctx->vmvf_type = ICE_TLAN_CTX_VMVF_TYPE_PF;
break;
@ -251,6 +253,10 @@ static int ice_vsi_alloc_arrays(struct ice_vsi *vsi)
if (!vsi->rx_rings)
goto err_rxrings;
/* There is no need to allocate q_vectors for a loopback VSI. */
if (vsi->type == ICE_VSI_LB)
return 0;
/* allocate memory for q_vector pointers */
vsi->q_vectors = devm_kcalloc(&pf->pdev->dev, vsi->num_q_vectors,
sizeof(*vsi->q_vectors), GFP_KERNEL);
@ -275,6 +281,8 @@ static void ice_vsi_set_num_desc(struct ice_vsi *vsi)
{
switch (vsi->type) {
case ICE_VSI_PF:
/* fall through */
case ICE_VSI_LB:
vsi->num_rx_desc = ICE_DFLT_NUM_RX_DESC;
vsi->num_tx_desc = ICE_DFLT_NUM_TX_DESC;
break;
@ -318,6 +326,10 @@ static void ice_vsi_set_num_qs(struct ice_vsi *vsi, u16 vf_id)
*/
vsi->num_q_vectors = pf->num_vf_msix - 1;
break;
case ICE_VSI_LB:
vsi->alloc_txq = 1;
vsi->alloc_rxq = 1;
break;
default:
dev_warn(&pf->pdev->dev, "Unknown VSI type %d\n", vsi->type);
break;
@ -516,6 +528,10 @@ ice_vsi_alloc(struct ice_pf *pf, enum ice_vsi_type type, u16 vf_id)
if (ice_vsi_alloc_arrays(vsi))
goto err_rings;
break;
case ICE_VSI_LB:
if (ice_vsi_alloc_arrays(vsi))
goto err_rings;
break;
default:
dev_warn(&pf->pdev->dev, "Unknown VSI type %d\n", vsi->type);
goto unlock_pf;
@ -732,6 +748,8 @@ static void ice_vsi_set_rss_params(struct ice_vsi *vsi)
BIT(cap->rss_table_entry_width));
vsi->rss_lut_type = ICE_AQC_GSET_RSS_LUT_TABLE_TYPE_VSI;
break;
case ICE_VSI_LB:
break;
default:
dev_warn(&pf->pdev->dev, "Unknown VSI type %d\n",
vsi->type);
@ -924,6 +942,9 @@ static void ice_set_rss_vsi_ctx(struct ice_vsi_ctx *ctxt, struct ice_vsi *vsi)
lut_type = ICE_AQ_VSI_Q_OPT_RSS_LUT_VSI;
hash_type = ICE_AQ_VSI_Q_OPT_RSS_TPLZ;
break;
case ICE_VSI_LB:
dev_dbg(&pf->pdev->dev, "Unsupported VSI type %d\n", vsi->type);
return;
default:
dev_warn(&pf->pdev->dev, "Unknown VSI type %d\n", vsi->type);
return;
@ -955,6 +976,8 @@ static int ice_vsi_init(struct ice_vsi *vsi)
ctxt->info = vsi->info;
switch (vsi->type) {
case ICE_VSI_LB:
/* fall through */
case ICE_VSI_PF:
ctxt->flags = ICE_AQ_VSI_TYPE_PF;
break;
@ -2071,8 +2094,7 @@ ice_vsi_stop_tx_rings(struct ice_vsi *vsi, enum ice_disq_rst_src rst_src,
break;
for (i = 0; i < vsi->tc_cfg.tc_info[tc].qcount_tx; i++) {
if (!rings || !rings[q_idx] ||
!rings[q_idx]->q_vector) {
if (!rings || !rings[q_idx]) {
err = -EINVAL;
goto err_out;
}
@ -2092,9 +2114,13 @@ ice_vsi_stop_tx_rings(struct ice_vsi *vsi, enum ice_disq_rst_src rst_src,
/* trigger a software interrupt for the vector
* associated to the queue to schedule NAPI handler
*/
wr32(hw, GLINT_DYN_CTL(rings[i]->q_vector->reg_idx),
GLINT_DYN_CTL_SWINT_TRIG_M |
GLINT_DYN_CTL_INTENA_MSK_M);
if (rings[q_idx]->q_vector) {
int reg_idx = rings[i]->q_vector->reg_idx;
wr32(hw, GLINT_DYN_CTL(reg_idx),
GLINT_DYN_CTL_SWINT_TRIG_M |
GLINT_DYN_CTL_INTENA_MSK_M);
}
q_idx++;
}
status = ice_dis_vsi_txq(vsi->port_info, vsi->idx, tc,
@ -2408,6 +2434,11 @@ ice_vsi_setup(struct ice_pf *pf, struct ice_port_info *pi,
pf->q_left_tx -= vsi->alloc_txq;
pf->q_left_rx -= vsi->alloc_rxq;
break;
case ICE_VSI_LB:
ret = ice_vsi_alloc_rings(vsi);
if (ret)
goto unroll_vsi_init;
break;
default:
/* clean up the resources and exit */
goto unroll_vsi_init;
@ -2768,7 +2799,8 @@ int ice_vsi_release(struct ice_vsi *vsi)
ice_rss_clean(vsi);
/* Disable VSI and free resources */
ice_vsi_dis_irq(vsi);
if (vsi->type != ICE_VSI_LB)
ice_vsi_dis_irq(vsi);
ice_vsi_close(vsi);
/* reclaim interrupt vectors back to PF */

33
drivers/net/ethernet/intel/ice/ice_main.c
View File

@ -1430,6 +1430,11 @@ static irqreturn_t ice_misc_intr(int __always_unused irq, void *data)
oicr = rd32(hw, PFINT_OICR);
ena_mask = rd32(hw, PFINT_OICR_ENA);
if (oicr & PFINT_OICR_SWINT_M) {
ena_mask &= ~PFINT_OICR_SWINT_M;
pf->sw_int_count++;
}
if (oicr & PFINT_OICR_MAL_DETECT_M) {
ena_mask &= ~PFINT_OICR_MAL_DETECT_M;
set_bit(__ICE_MDD_EVENT_PENDING, pf->state);
@ -1803,8 +1808,8 @@ void ice_fill_rss_lut(u8 *lut, u16 rss_table_size, u16 rss_size)
* @pf: board private structure
* @pi: pointer to the port_info instance
*
* Returns pointer to the successfully allocated VSI sw struct on success,
* otherwise returns NULL on failure.
* Returns pointer to the successfully allocated VSI software struct
* on success, otherwise returns NULL on failure.
*/
static struct ice_vsi *
ice_pf_vsi_setup(struct ice_pf *pf, struct ice_port_info *pi)
@ -1812,6 +1817,20 @@ ice_pf_vsi_setup(struct ice_pf *pf, struct ice_port_info *pi)
return ice_vsi_setup(pf, pi, ICE_VSI_PF, ICE_INVAL_VFID);
}
/**
* ice_lb_vsi_setup - Set up a loopback VSI
* @pf: board private structure
* @pi: pointer to the port_info instance
*
* Returns pointer to the successfully allocated VSI software struct
* on success, otherwise returns NULL on failure.
*/
struct ice_vsi *
ice_lb_vsi_setup(struct ice_pf *pf, struct ice_port_info *pi)
{
return ice_vsi_setup(pf, pi, ICE_VSI_LB, ICE_INVAL_VFID);
}
/**
* ice_vlan_rx_add_vid - Add a VLAN ID filter to HW offload
* @netdev: network interface to be adjusted
@ -2908,7 +2927,7 @@ static int ice_vsi_vlan_setup(struct ice_vsi *vsi)
*
* Return 0 on success and negative value on error
*/
static int ice_vsi_cfg(struct ice_vsi *vsi)
int ice_vsi_cfg(struct ice_vsi *vsi)
{
int err;
@ -3463,7 +3482,7 @@ int ice_down(struct ice_vsi *vsi)
*
* Return 0 on success, negative on failure
*/
static int ice_vsi_setup_tx_rings(struct ice_vsi *vsi)
int ice_vsi_setup_tx_rings(struct ice_vsi *vsi)
{
int i, err = 0;
@ -3489,7 +3508,7 @@ static int ice_vsi_setup_tx_rings(struct ice_vsi *vsi)
*
* Return 0 on success, negative on failure
*/
static int ice_vsi_setup_rx_rings(struct ice_vsi *vsi)
int ice_vsi_setup_rx_rings(struct ice_vsi *vsi)
{
int i, err = 0;
@ -4248,7 +4267,7 @@ static void ice_tx_timeout(struct net_device *netdev)
*
* Returns 0 on success, negative value on failure
*/
static int ice_open(struct net_device *netdev)
int ice_open(struct net_device *netdev)
{
struct ice_netdev_priv *np = netdev_priv(netdev);
struct ice_vsi *vsi = np->vsi;
@ -4285,7 +4304,7 @@ static int ice_open(struct net_device *netdev)
*
* Returns success only - not allowed to fail
*/
static int ice_stop(struct net_device *netdev)
int ice_stop(struct net_device *netdev)
{
struct ice_netdev_priv *np = netdev_priv(netdev);
struct ice_vsi *vsi = np->vsi;

31
drivers/net/ethernet/intel/ice/ice_nvm.c
View File

@ -316,3 +316,34 @@ ice_read_sr_buf(struct ice_hw *hw, u16 offset, u16 *words, u16 *data)
return status;
}
/**
* ice_nvm_validate_checksum
* @hw: pointer to the HW struct
*
* Verify NVM PFA checksum validity (0x0706)
*/
enum ice_status ice_nvm_validate_checksum(struct ice_hw *hw)
{
struct ice_aqc_nvm_checksum *cmd;
struct ice_aq_desc desc;
enum ice_status status;
status = ice_acquire_nvm(hw, ICE_RES_READ);
if (status)
return status;
cmd = &desc.params.nvm_checksum;
ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_nvm_checksum);
cmd->flags = ICE_AQC_NVM_CHECKSUM_VERIFY;
status = ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
ice_release_nvm(hw);
if (!status)
if (le16_to_cpu(cmd->checksum) != ICE_AQC_NVM_CHECKSUM_CORRECT)
status = ICE_ERR_NVM_CHECKSUM;
return status;
}

1
drivers/net/ethernet/intel/ice/ice_status.h
View File

@ -26,6 +26,7 @@ enum ice_status {
ICE_ERR_IN_USE = -16,
ICE_ERR_MAX_LIMIT = -17,
ICE_ERR_RESET_ONGOING = -18,
ICE_ERR_NVM_CHECKSUM = -51,
ICE_ERR_BUF_TOO_SHORT = -52,
ICE_ERR_NVM_BLANK_MODE = -53,
ICE_ERR_AQ_ERROR = -100,

1
drivers/net/ethernet/intel/ice/ice_type.h
View File

@ -86,6 +86,7 @@ enum ice_media_type {
enum ice_vsi_type {
ICE_VSI_PF = 0,
ICE_VSI_VF,
ICE_VSI_LB = 6,
};
struct ice_link_status {