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Differential D25549 Diff 75384 sys/dev/ixl/ixl_pf_main.c

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sys/dev/ixl/ixl_pf_main.c

Show First 20 Lines • Show All 55 Lines • ▼ Show 20 Lines
static int ixl_sysctl_set_advertise(SYSCTL_HANDLER_ARGS); static int ixl_sysctl_set_advertise(SYSCTL_HANDLER_ARGS);
static int ixl_sysctl_supported_speeds(SYSCTL_HANDLER_ARGS); static int ixl_sysctl_supported_speeds(SYSCTL_HANDLER_ARGS);
static int ixl_sysctl_current_speed(SYSCTL_HANDLER_ARGS); static int ixl_sysctl_current_speed(SYSCTL_HANDLER_ARGS);
static int ixl_sysctl_show_fw(SYSCTL_HANDLER_ARGS); static int ixl_sysctl_show_fw(SYSCTL_HANDLER_ARGS);
static int ixl_sysctl_unallocated_queues(SYSCTL_HANDLER_ARGS); static int ixl_sysctl_unallocated_queues(SYSCTL_HANDLER_ARGS);
static int ixl_sysctl_pf_tx_itr(SYSCTL_HANDLER_ARGS); static int ixl_sysctl_pf_tx_itr(SYSCTL_HANDLER_ARGS);
static int ixl_sysctl_pf_rx_itr(SYSCTL_HANDLER_ARGS); static int ixl_sysctl_pf_rx_itr(SYSCTL_HANDLER_ARGS);
static int ixl_sysctl_eee_enable(SYSCTL_HANDLER_ARGS);
/* Debug Sysctls */ /* Debug Sysctls */
static int ixl_sysctl_link_status(SYSCTL_HANDLER_ARGS); static int ixl_sysctl_link_status(SYSCTL_HANDLER_ARGS);
static int ixl_sysctl_phy_abilities(SYSCTL_HANDLER_ARGS); static int ixl_sysctl_phy_abilities(SYSCTL_HANDLER_ARGS);
static int ixl_sysctl_sw_filter_list(SYSCTL_HANDLER_ARGS); static int ixl_sysctl_sw_filter_list(SYSCTL_HANDLER_ARGS);
static int ixl_sysctl_hw_res_alloc(SYSCTL_HANDLER_ARGS); static int ixl_sysctl_hw_res_alloc(SYSCTL_HANDLER_ARGS);
static int ixl_sysctl_switch_config(SYSCTL_HANDLER_ARGS); static int ixl_sysctl_switch_config(SYSCTL_HANDLER_ARGS);
static int ixl_sysctl_hkey(SYSCTL_HANDLER_ARGS); static int ixl_sysctl_hkey(SYSCTL_HANDLER_ARGS);
static int ixl_sysctl_hena(SYSCTL_HANDLER_ARGS); static int ixl_sysctl_hena(SYSCTL_HANDLER_ARGS);
▲ Show 20 Lines • Show All 543 Lines • ▼ Show 20 Linesixl_add_ifmedia(struct ifmedia *media, u64 phy_types)
if (phy_types & (I40E_CAP_PHY_TYPE_1000BASE_T)) if (phy_types & (I40E_CAP_PHY_TYPE_1000BASE_T))
ifmedia_add(media, IFM_ETHER | IFM_1000_T, 0, NULL); ifmedia_add(media, IFM_ETHER | IFM_1000_T, 0, NULL);
if (phy_types & (I40E_CAP_PHY_TYPE_1000BASE_SX)) if (phy_types & (I40E_CAP_PHY_TYPE_1000BASE_SX))
ifmedia_add(media, IFM_ETHER | IFM_1000_SX, 0, NULL); ifmedia_add(media, IFM_ETHER | IFM_1000_SX, 0, NULL);
if (phy_types & (I40E_CAP_PHY_TYPE_1000BASE_LX)) if (phy_types & (I40E_CAP_PHY_TYPE_1000BASE_LX))
ifmedia_add(media, IFM_ETHER | IFM_1000_LX, 0, NULL); ifmedia_add(media, IFM_ETHER | IFM_1000_LX, 0, NULL);
if (phy_types & (I40E_CAP_PHY_TYPE_2_5GBASE_T))
ifmedia_add(media, IFM_ETHER | IFM_2500_T, 0, NULL);
if (phy_types & (I40E_CAP_PHY_TYPE_5GBASE_T))
ifmedia_add(media, IFM_ETHER | IFM_5000_T, 0, NULL);
if (phy_types & (I40E_CAP_PHY_TYPE_XAUI) || if (phy_types & (I40E_CAP_PHY_TYPE_XAUI) ||
phy_types & (I40E_CAP_PHY_TYPE_XFI) || phy_types & (I40E_CAP_PHY_TYPE_XFI) ||
phy_types & (I40E_CAP_PHY_TYPE_10GBASE_SFPP_CU)) phy_types & (I40E_CAP_PHY_TYPE_10GBASE_SFPP_CU))
ifmedia_add(media, IFM_ETHER | IFM_10G_TWINAX, 0, NULL); ifmedia_add(media, IFM_ETHER | IFM_10G_TWINAX, 0, NULL);
if (phy_types & (I40E_CAP_PHY_TYPE_10GBASE_SR)) if (phy_types & (I40E_CAP_PHY_TYPE_10GBASE_SR))
ifmedia_add(media, IFM_ETHER | IFM_10G_SR, 0, NULL); ifmedia_add(media, IFM_ETHER | IFM_10G_SR, 0, NULL);
if (phy_types & (I40E_CAP_PHY_TYPE_10GBASE_LR)) if (phy_types & (I40E_CAP_PHY_TYPE_10GBASE_LR))
▲ Show 20 Lines • Show All 1,255 Lines • ▼ Show 20 Lines ixl_stat_update32(hw, I40E_GLPRT_RFC(hw->port),
pf->stat_offsets_loaded, pf->stat_offsets_loaded,
&osd->rx_fragments, &nsd->rx_fragments); &osd->rx_fragments, &nsd->rx_fragments);
ixl_stat_update32(hw, I40E_GLPRT_ROC(hw->port), ixl_stat_update32(hw, I40E_GLPRT_ROC(hw->port),
pf->stat_offsets_loaded, pf->stat_offsets_loaded,
&osd->rx_oversize, &nsd->rx_oversize); &osd->rx_oversize, &nsd->rx_oversize);
ixl_stat_update32(hw, I40E_GLPRT_RJC(hw->port), ixl_stat_update32(hw, I40E_GLPRT_RJC(hw->port),
pf->stat_offsets_loaded, pf->stat_offsets_loaded,
&osd->rx_jabber, &nsd->rx_jabber); &osd->rx_jabber, &nsd->rx_jabber);
/* EEE */
i40e_get_phy_lpi_status(hw, nsd);
i40e_lpi_stat_update(hw, pf->stat_offsets_loaded,
&osd->tx_lpi_count, &nsd->tx_lpi_count,
&osd->rx_lpi_count, &nsd->rx_lpi_count);
pf->stat_offsets_loaded = true; pf->stat_offsets_loaded = true;
/* End hw stats */ /* End hw stats */
/* Update vsi stats */ /* Update vsi stats */
ixl_update_vsi_stats(vsi); ixl_update_vsi_stats(vsi);
for (int i = 0; i < pf->num_vfs; i++) { for (int i = 0; i < pf->num_vfs; i++) {
vf = &pf->vfs[i]; vf = &pf->vfs[i];
▲ Show 20 Lines • Show All 247 Lines • ▼ Show 20 Linesixl_add_device_sysctls(struct ixl_pf *pf)
struct sysctl_oid_list *ctx_list = struct sysctl_oid_list *ctx_list =
SYSCTL_CHILDREN(device_get_sysctl_tree(dev)); SYSCTL_CHILDREN(device_get_sysctl_tree(dev));
struct sysctl_oid *debug_node; struct sysctl_oid *debug_node;
struct sysctl_oid_list *debug_list; struct sysctl_oid_list *debug_list;
struct sysctl_oid *fec_node; struct sysctl_oid *fec_node;
struct sysctl_oid_list *fec_list; struct sysctl_oid_list *fec_list;
struct sysctl_oid *eee_node;
struct sysctl_oid_list *eee_list;
/* Set up sysctls */ /* Set up sysctls */
SYSCTL_ADD_PROC(ctx, ctx_list, SYSCTL_ADD_PROC(ctx, ctx_list,
OID_AUTO, "fc", CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT, OID_AUTO, "fc", CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT,
pf, 0, ixl_sysctl_set_flowcntl, "I", IXL_SYSCTL_HELP_FC); pf, 0, ixl_sysctl_set_flowcntl, "I", IXL_SYSCTL_HELP_FC);
SYSCTL_ADD_PROC(ctx, ctx_list, SYSCTL_ADD_PROC(ctx, ctx_list,
OID_AUTO, "advertise_speed", OID_AUTO, "advertise_speed",
▲ Show 20 Lines • Show All 76 Lines • ▼ Show 20 Lines SYSCTL_ADD_PROC(ctx, fec_list,
ixl_sysctl_fec_auto_enable, "I", ixl_sysctl_fec_auto_enable, "I",
"Let FW decide FEC ability/request modes"); "Let FW decide FEC ability/request modes");
} }
SYSCTL_ADD_PROC(ctx, ctx_list, SYSCTL_ADD_PROC(ctx, ctx_list,
OID_AUTO, "fw_lldp", CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT, OID_AUTO, "fw_lldp", CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT,
pf, 0, ixl_sysctl_fw_lldp, "I", IXL_SYSCTL_HELP_FW_LLDP); pf, 0, ixl_sysctl_fw_lldp, "I", IXL_SYSCTL_HELP_FW_LLDP);
eee_node = SYSCTL_ADD_NODE(ctx, ctx_list,
OID_AUTO, "eee", CTLFLAG_RD | CTLFLAG_MPSAFE, NULL,
"Energy Efficient Ethernet (EEE) Sysctls");
eee_list = SYSCTL_CHILDREN(eee_node);
SYSCTL_ADD_PROC(ctx, eee_list,
OID_AUTO, "enable", CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_MPSAFE,
pf, 0, ixl_sysctl_eee_enable, "I",
"Enable Energy Efficient Ethernet (EEE)");
SYSCTL_ADD_UINT(ctx, eee_list, OID_AUTO, "tx_lpi_status",
CTLFLAG_RD | CTLFLAG_MPSAFE, &pf->stats.tx_lpi_status, 0,
"TX LPI status");
SYSCTL_ADD_UINT(ctx, eee_list, OID_AUTO, "rx_lpi_status",
CTLFLAG_RD | CTLFLAG_MPSAFE, &pf->stats.rx_lpi_status, 0,
"RX LPI status");
SYSCTL_ADD_UQUAD(ctx, eee_list, OID_AUTO, "tx_lpi_count",
CTLFLAG_RD | CTLFLAG_MPSAFE, &pf->stats.tx_lpi_count,
"TX LPI count");
SYSCTL_ADD_UQUAD(ctx, eee_list, OID_AUTO, "rx_lpi_count",
CTLFLAG_RD | CTLFLAG_MPSAFE, &pf->stats.rx_lpi_count,
"RX LPI count");
/* Add sysctls meant to print debug information, but don't list them /* Add sysctls meant to print debug information, but don't list them
* in "sysctl -a" output. */ * in "sysctl -a" output. */
debug_node = SYSCTL_ADD_NODE(ctx, ctx_list, debug_node = SYSCTL_ADD_NODE(ctx, ctx_list,
OID_AUTO, "debug", CTLFLAG_RD | CTLFLAG_SKIP | CTLFLAG_MPSAFE, NULL, OID_AUTO, "debug", CTLFLAG_RD | CTLFLAG_SKIP | CTLFLAG_MPSAFE, NULL,
"Debug Sysctls"); "Debug Sysctls");
debug_list = SYSCTL_CHILDREN(debug_node); debug_list = SYSCTL_CHILDREN(debug_node);
SYSCTL_ADD_UINT(ctx, debug_list, SYSCTL_ADD_UINT(ctx, debug_list,
▲ Show 20 Lines • Show All 113 Lines • ▼ Show 20 Linesixl_link_speed_string(enum i40e_aq_link_speed link_speed)
const char * link_speed_str[] = { const char * link_speed_str[] = {
"Unknown", "Unknown",
"100 Mbps", "100 Mbps",
"1 Gbps", "1 Gbps",
"10 Gbps", "10 Gbps",
"40 Gbps", "40 Gbps",
"20 Gbps", "20 Gbps",
"25 Gbps", "25 Gbps",
"2.5 Gbps",
"5 Gbps"
}; };
int index; int index;
switch (link_speed) { switch (link_speed) {
case I40E_LINK_SPEED_100MB: case I40E_LINK_SPEED_100MB:
index = 1; index = 1;
break; break;
case I40E_LINK_SPEED_1GB: case I40E_LINK_SPEED_1GB:
index = 2; index = 2;
break; break;
case I40E_LINK_SPEED_10GB: case I40E_LINK_SPEED_10GB:
index = 3; index = 3;
break; break;
case I40E_LINK_SPEED_40GB: case I40E_LINK_SPEED_40GB:
index = 4; index = 4;
break; break;
case I40E_LINK_SPEED_20GB: case I40E_LINK_SPEED_20GB:
index = 5; index = 5;
break; break;
case I40E_LINK_SPEED_25GB: case I40E_LINK_SPEED_25GB:
index = 6; index = 6;
break; break;
case I40E_LINK_SPEED_2_5GB:
index = 7;
break;
case I40E_LINK_SPEED_5GB:
index = 8;
break;
case I40E_LINK_SPEED_UNKNOWN: case I40E_LINK_SPEED_UNKNOWN:
default: default:
index = 0; index = 0;
break; break;
} }
return (link_speed_str[index]); return (link_speed_str[index]);
} }
Show All 17 Lines
/* /*
* Converts 8-bit speeds value to and from sysctl flags and * Converts 8-bit speeds value to and from sysctl flags and
* Admin Queue flags. * Admin Queue flags.
*/ */
static u8 static u8
ixl_convert_sysctl_aq_link_speed(u8 speeds, bool to_aq) ixl_convert_sysctl_aq_link_speed(u8 speeds, bool to_aq)
{ {
#define SPEED_MAP_SIZE 6 #define SPEED_MAP_SIZE 8
static u16 speedmap[SPEED_MAP_SIZE] = { static u16 speedmap[SPEED_MAP_SIZE] = {
(I40E_LINK_SPEED_100MB | (0x1 << 8)), (I40E_LINK_SPEED_100MB | (0x1 << 8)),
(I40E_LINK_SPEED_1GB | (0x2 << 8)), (I40E_LINK_SPEED_1GB | (0x2 << 8)),
(I40E_LINK_SPEED_10GB | (0x4 << 8)), (I40E_LINK_SPEED_10GB | (0x4 << 8)),
(I40E_LINK_SPEED_20GB | (0x8 << 8)), (I40E_LINK_SPEED_20GB | (0x8 << 8)),
(I40E_LINK_SPEED_25GB | (0x10 << 8)), (I40E_LINK_SPEED_25GB | (0x10 << 8)),
(I40E_LINK_SPEED_40GB | (0x20 << 8)) (I40E_LINK_SPEED_40GB | (0x20 << 8)),
(I40E_LINK_SPEED_2_5GB | (0x40 << 8)),
(I40E_LINK_SPEED_5GB | (0x80 << 8)),
}; };
u8 retval = 0; u8 retval = 0;
for (int i = 0; i < SPEED_MAP_SIZE; i++) { for (int i = 0; i < SPEED_MAP_SIZE; i++) {
if (to_aq) if (to_aq)
retval |= (speeds & (speedmap[i] >> 8)) ? (speedmap[i] & 0xff) : 0; retval |= (speeds & (speedmap[i] >> 8)) ? (speedmap[i] & 0xff) : 0;
else else
retval |= (speeds & speedmap[i]) ? (speedmap[i] >> 8) : 0; retval |= (speeds & speedmap[i]) ? (speedmap[i] >> 8) : 0;
▲ Show 20 Lines • Show All 55 Lines • ▼ Show 20 Lines
** Supported link speeds ** Supported link speeds
** Flags: ** Flags:
** 0x1 - 100 Mb ** 0x1 - 100 Mb
** 0x2 - 1G ** 0x2 - 1G
** 0x4 - 10G ** 0x4 - 10G
** 0x8 - 20G ** 0x8 - 20G
** 0x10 - 25G ** 0x10 - 25G
** 0x20 - 40G ** 0x20 - 40G
** 0x40 - 2.5G
** 0x80 - 5G
*/ */
static int static int
ixl_sysctl_supported_speeds(SYSCTL_HANDLER_ARGS) ixl_sysctl_supported_speeds(SYSCTL_HANDLER_ARGS)
{ {
struct ixl_pf *pf = (struct ixl_pf *)arg1; struct ixl_pf *pf = (struct ixl_pf *)arg1;
int supported = ixl_convert_sysctl_aq_link_speed(pf->supported_speeds, false); int supported = ixl_convert_sysctl_aq_link_speed(pf->supported_speeds, false);
return sysctl_handle_int(oidp, NULL, supported, req); return sysctl_handle_int(oidp, NULL, supported, req);
} }
/* /*
** Control link advertise speed: ** Control link advertise speed:
** Flags: ** Flags:
** 0x1 - advertise 100 Mb ** 0x1 - advertise 100 Mb
** 0x2 - advertise 1G ** 0x2 - advertise 1G
** 0x4 - advertise 10G ** 0x4 - advertise 10G
** 0x8 - advertise 20G ** 0x8 - advertise 20G
** 0x10 - advertise 25G ** 0x10 - advertise 25G
** 0x20 - advertise 40G ** 0x20 - advertise 40G
** 0x40 - advertise 2.5G
** 0x80 - advertise 5G
** **
** Set to 0 to disable link ** Set to 0 to disable link
*/ */
int int
ixl_sysctl_set_advertise(SYSCTL_HANDLER_ARGS) ixl_sysctl_set_advertise(SYSCTL_HANDLER_ARGS)
{ {
struct ixl_pf *pf = (struct ixl_pf *)arg1; struct ixl_pf *pf = (struct ixl_pf *)arg1;
device_t dev = pf->dev; device_t dev = pf->dev;
u8 converted_speeds; u8 converted_speeds;
int requested_ls = 0; int requested_ls = 0;
int error = 0; int error = 0;
/* Read in new mode */ /* Read in new mode */
requested_ls = pf->advertised_speed; requested_ls = pf->advertised_speed;
error = sysctl_handle_int(oidp, &requested_ls, 0, req); error = sysctl_handle_int(oidp, &requested_ls, 0, req);
if ((error) || (req->newptr == NULL)) if ((error) || (req->newptr == NULL))
return (error); return (error);
if (IXL_PF_IN_RECOVERY_MODE(pf)) { if (IXL_PF_IN_RECOVERY_MODE(pf)) {
device_printf(dev, "Interface is currently in FW recovery mode. " device_printf(dev, "Interface is currently in FW recovery mode. "
"Setting advertise speed not supported\n"); "Setting advertise speed not supported\n");
return (EINVAL); return (EINVAL);
} }
/* Error out if bits outside of possible flag range are set */ /* Error out if bits outside of possible flag range are set */
if ((requested_ls & ~((u8)0x3F)) != 0) { if ((requested_ls & ~((u8)0xFF)) != 0) {
device_printf(dev, "Input advertised speed out of range; " device_printf(dev, "Input advertised speed out of range; "
"valid flags are: 0x%02x\n", "valid flags are: 0x%02x\n",
ixl_convert_sysctl_aq_link_speed(pf->supported_speeds, false)); ixl_convert_sysctl_aq_link_speed(pf->supported_speeds, false));
return (EINVAL); return (EINVAL);
} }
/* Check if adapter supports input value */ /* Check if adapter supports input value */
converted_speeds = ixl_convert_sysctl_aq_link_speed((u8)requested_ls, true); converted_speeds = ixl_convert_sysctl_aq_link_speed((u8)requested_ls, true);
Show All 22 Linesixl_max_aq_speed_to_value(u8 link_speeds)
if (link_speeds & I40E_LINK_SPEED_40GB) if (link_speeds & I40E_LINK_SPEED_40GB)
return IF_Gbps(40); return IF_Gbps(40);
if (link_speeds & I40E_LINK_SPEED_25GB) if (link_speeds & I40E_LINK_SPEED_25GB)
return IF_Gbps(25); return IF_Gbps(25);
if (link_speeds & I40E_LINK_SPEED_20GB) if (link_speeds & I40E_LINK_SPEED_20GB)
return IF_Gbps(20); return IF_Gbps(20);
if (link_speeds & I40E_LINK_SPEED_10GB) if (link_speeds & I40E_LINK_SPEED_10GB)
return IF_Gbps(10); return IF_Gbps(10);
if (link_speeds & I40E_LINK_SPEED_5GB)
return IF_Gbps(5);
if (link_speeds & I40E_LINK_SPEED_2_5GB)
return IF_Mbps(2500);
if (link_speeds & I40E_LINK_SPEED_1GB) if (link_speeds & I40E_LINK_SPEED_1GB)
return IF_Gbps(1); return IF_Gbps(1);
if (link_speeds & I40E_LINK_SPEED_100MB) if (link_speeds & I40E_LINK_SPEED_100MB)
return IF_Mbps(100); return IF_Mbps(100);
else else
/* Minimum supported link speed */ /* Minimum supported link speed */
return IF_Mbps(100); return IF_Mbps(100);
} }
▲ Show 20 Lines • Show All 268 Lines • ▼ Show 20 Linesixl_phy_type_string(u32 bit_pos, bool ext)
}; };
static char * ext_phy_types_str[8] = { static char * ext_phy_types_str[8] = {
"25GBASE-KR", "25GBASE-KR",
"25GBASE-CR", "25GBASE-CR",
"25GBASE-SR", "25GBASE-SR",
"25GBASE-LR", "25GBASE-LR",
"25GBASE-AOC", "25GBASE-AOC",
"25GBASE-ACC", "25GBASE-ACC",
"Reserved (6)", "2.5GBASE-T",
"Reserved (7)" "5GBASE-T"
}; };
if (ext && bit_pos > 7) return "Invalid_Ext"; if (ext && bit_pos > 7) return "Invalid_Ext";
if (bit_pos > 31) return "Invalid"; if (bit_pos > 31) return "Invalid";
return (ext) ? ext_phy_types_str[bit_pos] : phy_types_str[bit_pos]; return (ext) ? ext_phy_types_str[bit_pos] : phy_types_str[bit_pos];
} }
▲ Show 20 Lines • Show All 1,208 Lines • ▼ Show 20 Linesixl_sysctl_fw_lldp(SYSCTL_HANDLER_ARGS)
/* Already in requested state */ /* Already in requested state */
if (new_state == state) if (new_state == state)
return (error); return (error);
if (new_state == 0) if (new_state == 0)
return ixl_stop_fw_lldp(pf); return ixl_stop_fw_lldp(pf);
return ixl_start_fw_lldp(pf); return ixl_start_fw_lldp(pf);
}
static int
ixl_sysctl_eee_enable(SYSCTL_HANDLER_ARGS)
{
struct ixl_pf *pf = (struct ixl_pf *)arg1;
int state, new_state;
int sysctl_handle_status = 0;
enum i40e_status_code cmd_status;
/* Init states' values */
state = new_state = (!!(pf->state & IXL_PF_STATE_EEE_ENABLED));
/* Get requested mode */
sysctl_handle_status = sysctl_handle_int(oidp, &new_state, 0, req);
if ((sysctl_handle_status) || (req->newptr == NULL))
return (sysctl_handle_status);
/* Check if state has changed */
if (new_state == state)
return (0);
/* Set new state */
cmd_status = i40e_enable_eee(&pf->hw, (bool)(!!new_state));
/* Save new state or report error */
if (!cmd_status) {
if (new_state == 0)
atomic_clear_32(&pf->state, IXL_PF_STATE_EEE_ENABLED);
else
atomic_set_32(&pf->state, IXL_PF_STATE_EEE_ENABLED);
} else if (cmd_status == I40E_ERR_CONFIG)
return (EPERM);
else
return (EIO);
return (0);
} }
int int
ixl_attach_get_link_status(struct ixl_pf *pf) ixl_attach_get_link_status(struct ixl_pf *pf)
{ {
struct i40e_hw *hw = &pf->hw; struct i40e_hw *hw = &pf->hw;
device_t dev = pf->dev; device_t dev = pf->dev;
int error = 0; int error = 0;
▲ Show 20 Lines • Show All 108 Lines • Show Last 20 Lines