ARM/LPC32XX SOC SUPPORT
S: Maintained
T: git git://github.com/vzapolskiy/linux-lpc32xx.git
- L: brcm80211-dev-list@cypress.com
+ L: SHA-cyfmac-dev-list@infineon.com
S: Supported
F: drivers/net/wireless/broadcom/brcm80211/
W: http://floatingpoint.sourceforge.net/emulator/index.html
F: arch/x86/math-emu/
-FRAME RELAY DLCI/FRAD (Sangoma drivers too)
-S: Orphan
-F: drivers/net/wan/dlci.c
-F: drivers/net/wan/sdla.c
-
FRAMEBUFFER LAYER
F: include/uapi/linux/if_hippi.h
F: net/802/hippi.c
+HIRSCHMANN HELLCREEK ETHERNET SWITCH DRIVER
+S: Maintained
+F: Documentation/devicetree/bindings/net/dsa/hirschmann,hellcreek.yaml
+F: drivers/net/dsa/hirschmann/*
+F: include/linux/platform_data/hirschmann-hellcreek.h
+F: net/dsa/tag_hellcreek.c
+
HISILICON DMA DRIVER
T: git git://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi.git
F: drivers/net/wireless/intel/iwlwifi/
-INTEL WIRELESS WIMAX CONNECTION 2400
-S: Supported
-W: http://linuxwimax.org
-F: Documentation/admin-guide/wimax/i2400m.rst
-F: drivers/net/wimax/i2400m/
-F: include/uapi/linux/wimax/i2400m.h
-
INTEL WMI SLIM BOOTLOADER (SBL) FIRMWARE UPDATE DRIVER
IOMMU DRIVERS
S: Maintained
T: git git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu.git
F: arch/s390/include/asm/gmap.h
F: arch/s390/include/asm/kvm*
F: arch/s390/include/uapi/asm/kvm*
+ F: arch/s390/kernel/uv.c
F: arch/s390/kvm/
F: arch/s390/mm/gmap.c
F: tools/testing/selftests/kvm/*/s390x/
S: Maintained
F: drivers/crypto/marvell/
+F: include/linux/soc/marvell/octeontx2/
MARVELL GIGABIT ETHERNET DRIVERS (skge/sky2)
S: Supported
F: drivers/net/ethernet/marvell/octeontx2/nic/
+F: include/linux/soc/marvell/octeontx2/
MARVELL OCTEONTX2 RVU ADMIN FUNCTION DRIVER
S: Maintained
-F: Documentation/devicetree/bindings/net/dsa/ksz.txt
+F: Documentation/devicetree/bindings/net/dsa/microchip,ksz.yaml
F: drivers/net/dsa/microchip/*
F: include/linux/platform_data/microchip-ksz.h
F: net/dsa/tag_ksz.c
S: Maintained
W: https://github.com/multipath-tcp/mptcp_net-next/wiki
B: https://github.com/multipath-tcp/mptcp_net-next/issues
+F: Documentation/networking/mptcp-sysctl.rst
F: include/net/mptcp.h
F: include/uapi/linux/mptcp.h
F: net/mptcp/
S: Supported
+ F: Documentation/networking/page_pool.rst
F: include/net/page_pool.h
+ F: include/trace/events/page_pool.h
F: net/core/page_pool.c
PANASONIC LAPTOP ACPI EXTRAS DRIVER
F: drivers/net/wireless/realtek/rtlwifi/
REALTEK WIRELESS DRIVER (rtw88)
- M: Yan-Hsuan Chuang <yhchuang@realtek.com>
+ M: Yan-Hsuan Chuang <tony0620emma@gmail.com>
S: Maintained
F: drivers/net/wireless/realtek/rtw88/
F: include/linux/slimbus.h
SFC NETWORK DRIVER
S: Supported
F: drivers/net/ethernet/sfc/
W: https://wireless.wiki.kernel.org/en/users/Drivers/wil6210
F: drivers/net/wireless/ath/wil6210/
-WIMAX STACK
-S: Supported
-W: http://linuxwimax.org
-F: Documentation/admin-guide/wimax/wimax.rst
-F: include/linux/wimax/debug.h
-F: include/net/wimax.h
-F: include/uapi/linux/wimax.h
-F: net/wimax/
-
WINBOND CIR DRIVER
S: Maintained
}
#define BOND_VLAN_FEATURES (NETIF_F_HW_CSUM | NETIF_F_SG | \
- NETIF_F_FRAGLIST | NETIF_F_ALL_TSO | \
+ NETIF_F_FRAGLIST | NETIF_F_GSO_SOFTWARE | \
NETIF_F_HIGHDMA | NETIF_F_LRO)
#define BOND_ENC_FEATURES (NETIF_F_HW_CSUM | NETIF_F_SG | \
- NETIF_F_RXCSUM | NETIF_F_ALL_TSO)
+ NETIF_F_RXCSUM | NETIF_F_GSO_SOFTWARE)
#define BOND_MPLS_FEATURES (NETIF_F_HW_CSUM | NETIF_F_SG | \
- NETIF_F_ALL_TSO)
+ NETIF_F_GSO_SOFTWARE)
static void bond_compute_features(struct bonding *bond)
bond_dev->vlan_features = vlan_features;
bond_dev->hw_enc_features = enc_features | NETIF_F_GSO_ENCAP_ALL |
NETIF_F_HW_VLAN_CTAG_TX |
- NETIF_F_HW_VLAN_STAG_TX |
- NETIF_F_GSO_UDP_L4;
+ NETIF_F_HW_VLAN_STAG_TX;
#ifdef CONFIG_XFRM_OFFLOAD
bond_dev->hw_enc_features |= xfrm_features;
#endif /* CONFIG_XFRM_OFFLOAD */
slave->dev->flags &= ~IFF_SLAVE;
}
- static struct slave *bond_alloc_slave(struct bonding *bond)
+ static void slave_kobj_release(struct kobject *kobj)
+ {
+ struct slave *slave = to_slave(kobj);
+ struct bonding *bond = bond_get_bond_by_slave(slave);
+
+ cancel_delayed_work_sync(&slave->notify_work);
+ if (BOND_MODE(bond) == BOND_MODE_8023AD)
+ kfree(SLAVE_AD_INFO(slave));
+
+ kfree(slave);
+ }
+
+ static struct kobj_type slave_ktype = {
+ .release = slave_kobj_release,
+ #ifdef CONFIG_SYSFS
+ .sysfs_ops = &slave_sysfs_ops,
+ #endif
+ };
+
+ static int bond_kobj_init(struct slave *slave)
+ {
+ int err;
+
+ err = kobject_init_and_add(&slave->kobj, &slave_ktype,
+ &(slave->dev->dev.kobj), "bonding_slave");
+ if (err)
+ kobject_put(&slave->kobj);
+
+ return err;
+ }
+
+ static struct slave *bond_alloc_slave(struct bonding *bond,
+ struct net_device *slave_dev)
{
struct slave *slave = NULL;
if (!slave)
return NULL;
+ slave->bond = bond;
+ slave->dev = slave_dev;
+
+ if (bond_kobj_init(slave))
+ return NULL;
+
if (BOND_MODE(bond) == BOND_MODE_8023AD) {
SLAVE_AD_INFO(slave) = kzalloc(sizeof(struct ad_slave_info),
GFP_KERNEL);
if (!SLAVE_AD_INFO(slave)) {
- kfree(slave);
+ kobject_put(&slave->kobj);
return NULL;
}
}
return slave;
}
- static void bond_free_slave(struct slave *slave)
- {
- struct bonding *bond = bond_get_bond_by_slave(slave);
-
- cancel_delayed_work_sync(&slave->notify_work);
- if (BOND_MODE(bond) == BOND_MODE_8023AD)
- kfree(SLAVE_AD_INFO(slave));
-
- kfree(slave);
- }
-
static void bond_fill_ifbond(struct bonding *bond, struct ifbond *info)
{
info->bond_mode = BOND_MODE(bond);
goto err_undo_flags;
}
- new_slave = bond_alloc_slave(bond);
+ new_slave = bond_alloc_slave(bond, slave_dev);
if (!new_slave) {
res = -ENOMEM;
goto err_undo_flags;
}
- new_slave->bond = bond;
- new_slave->dev = slave_dev;
/* Set the new_slave's queue_id to be zero. Queue ID mapping
* is set via sysfs or module option if desired.
*/
dev_set_mtu(slave_dev, new_slave->original_mtu);
err_free:
- bond_free_slave(new_slave);
+ kobject_put(&new_slave->kobj);
err_undo_flags:
/* Enslave of first slave has failed and we need to fix master's mac */
if (!netif_is_bond_master(slave_dev))
slave_dev->priv_flags &= ~IFF_BONDING;
- bond_free_slave(slave);
+ kobject_put(&slave->kobj);
return 0;
}
NETIF_F_HW_VLAN_CTAG_RX |
NETIF_F_HW_VLAN_CTAG_FILTER;
- bond_dev->hw_features |= NETIF_F_GSO_ENCAP_ALL | NETIF_F_GSO_UDP_L4;
+ bond_dev->hw_features |= NETIF_F_GSO_ENCAP_ALL;
#ifdef CONFIG_XFRM_OFFLOAD
bond_dev->hw_features |= BOND_XFRM_FEATURES;
#endif /* CONFIG_XFRM_OFFLOAD */
}
if (dlc & RX_BUF_FDF)
- cf->len = can_dlc2len((dlc >> 16) & 0x0F);
+ cf->len = can_fd_dlc2len((dlc >> 16) & 0x0F);
else
- cf->len = get_can_dlc((dlc >> 16) & 0x0F);
+ cf->len = can_cc_dlc2len((dlc >> 16) & 0x0F);
id = m_can_fifo_read(cdev, fgi, M_CAN_FIFO_ID);
if (id & RX_BUF_XTD)
}
stats->rx_packets++;
- stats->rx_bytes += cf->can_dlc;
+ stats->rx_bytes += cf->len;
netif_receive_skb(skb);
return 1;
}
stats->rx_packets++;
- stats->rx_bytes += cf->can_dlc;
+ stats->rx_bytes += cf->len;
netif_receive_skb(skb);
return 1;
.name = KBUILD_MODNAME,
.tseg1_min = 2, /* Time segment 1 = prop_seg + phase_seg1 */
.tseg1_max = 256,
- .tseg2_min = 1, /* Time segment 2 = phase_seg2 */
+ .tseg2_min = 2, /* Time segment 2 = phase_seg2 */
.tseg2_max = 128,
.sjw_max = 128,
.brp_min = 1,
&m_can_data_bittiming_const_31X;
break;
case 32:
+ case 33:
+ /* Support both MCAN version v3.2.x and v3.3.0 */
m_can_dev->can.bittiming_const = m_can_dev->bit_timing ?
m_can_dev->bit_timing : &m_can_bittiming_const_31X;
/* message ram configuration */
m_can_fifo_write(cdev, 0, M_CAN_FIFO_ID, id);
m_can_fifo_write(cdev, 0, M_CAN_FIFO_DLC,
- can_len2dlc(cf->len) << 16);
+ can_fd_len2dlc(cf->len) << 16);
for (i = 0; i < cf->len; i += 4)
m_can_fifo_write(cdev, 0,
m_can_fifo_write(cdev, putidx, M_CAN_FIFO_DLC,
((putidx << TX_BUF_MM_SHIFT) &
TX_BUF_MM_MASK) |
- (can_len2dlc(cf->len) << 16) |
+ (can_fd_len2dlc(cf->len) << 16) |
fdflags | TX_BUF_EFC);
for (i = 0; i < cf->len; i += 4)
INIT_WORK(&cdev->tx_work, m_can_tx_work_queue);
err = request_threaded_irq(dev->irq, NULL, m_can_isr,
- IRQF_ONESHOT | IRQF_TRIGGER_FALLING,
+ IRQF_ONESHOT,
dev->name, dev);
} else {
err = request_irq(dev->irq, m_can_isr, IRQF_SHARED, dev->name,
return 0;
}
- if (err)
- return err;
-
- return -ETIMEDOUT;
+ return err;
}
static int mcp251xfd_chip_clock_init(const struct mcp251xfd_priv *priv)
cfd->flags |= CANFD_BRS;
dlc = FIELD_GET(MCP251XFD_OBJ_FLAGS_DLC, hw_rx_obj->flags);
- cfd->len = can_dlc2len(get_canfd_dlc(dlc));
+ cfd->len = can_fd_dlc2len(dlc);
} else {
if (hw_rx_obj->flags & MCP251XFD_OBJ_FLAGS_RTR)
cfd->can_id |= CAN_RTR_FLAG;
- cfd->len = get_can_dlc(FIELD_GET(MCP251XFD_OBJ_FLAGS_DLC,
+ cfd->len = can_cc_dlc2len(FIELD_GET(MCP251XFD_OBJ_FLAGS_DLC,
hw_rx_obj->flags));
}
* harm, only the lower 7 bits will be transferred into the
* TEF object.
*/
- dlc = can_len2dlc(cfd->len);
+ dlc = can_fd_len2dlc(cfd->len);
flags |= FIELD_PREP(MCP251XFD_OBJ_FLAGS_SEQ_MCP2518FD_MASK, seq) |
FIELD_PREP(MCP251XFD_OBJ_FLAGS_DLC, dlc);
/* Clear data at end of CAN frame */
offset = round_down(cfd->len, sizeof(u32));
- len = round_up(can_dlc2len(dlc), sizeof(u32)) - offset;
+ len = round_up(can_fd_dlc2len(dlc), sizeof(u32)) - offset;
if (MCP251XFD_SANITIZE_CAN && len)
memset(hw_tx_obj->data + offset, 0x0, len);
memcpy(hw_tx_obj->data, cfd->data, cfd->len);
/* Number of bytes to be written into the RAM of the controller */
len = sizeof(hw_tx_obj->id) + sizeof(hw_tx_obj->flags);
if (MCP251XFD_SANITIZE_CAN)
- len += round_up(can_dlc2len(dlc), sizeof(u32));
+ len += round_up(can_fd_dlc2len(dlc), sizeof(u32));
else
len += round_up(cfd->len, sizeof(u32));
u32 freq;
int err;
+ if (!spi->irq)
+ return dev_err_probe(&spi->dev, -ENXIO,
+ "No IRQ specified (maybe node \"interrupts-extended\" in DT missing)!\n");
+
rx_int = devm_gpiod_get_optional(&spi->dev, "microchip,rx-int",
GPIOD_IN);
if (PTR_ERR(rx_int) == -EPROBE_DEFER)
* Many thanks to all socketcan devs!
*/
+#include <linux/ethtool.h>
#include <linux/init.h>
#include <linux/signal.h>
#include <linux/module.h>
};
/* data types passed between host and device */
+
+ /* The firmware on the original USB2CAN by Geschwister Schneider
+ * Technologie Entwicklungs- und Vertriebs UG exchanges all data
+ * between the host and the device in host byte order. This is done
+ * with the struct gs_host_config::byte_order member, which is sent
+ * first to indicate the desired byte order.
+ *
+ * The widely used open source firmware candleLight doesn't support
+ * this feature and exchanges the data in little endian byte order.
+ */
struct gs_host_config {
- u32 byte_order;
+ __le32 byte_order;
} __packed;
- /* All data exchanged between host and device is exchanged in host byte order,
- * thanks to the struct gs_host_config byte_order member, which is sent first
- * to indicate the desired byte order.
- */
struct gs_device_config {
u8 reserved1;
u8 reserved2;
u8 reserved3;
u8 icount;
- u32 sw_version;
- u32 hw_version;
+ __le32 sw_version;
+ __le32 hw_version;
} __packed;
#define GS_CAN_MODE_NORMAL 0
#define GS_CAN_MODE_ONE_SHOT BIT(3)
struct gs_device_mode {
- u32 mode;
- u32 flags;
+ __le32 mode;
+ __le32 flags;
} __packed;
struct gs_device_state {
- u32 state;
- u32 rxerr;
- u32 txerr;
+ __le32 state;
+ __le32 rxerr;
+ __le32 txerr;
} __packed;
struct gs_device_bittiming {
- u32 prop_seg;
- u32 phase_seg1;
- u32 phase_seg2;
- u32 sjw;
- u32 brp;
+ __le32 prop_seg;
+ __le32 phase_seg1;
+ __le32 phase_seg2;
+ __le32 sjw;
+ __le32 brp;
} __packed;
struct gs_identify_mode {
- u32 mode;
+ __le32 mode;
} __packed;
#define GS_CAN_FEATURE_LISTEN_ONLY BIT(0)
#define GS_CAN_FEATURE_IDENTIFY BIT(5)
struct gs_device_bt_const {
- u32 feature;
- u32 fclk_can;
- u32 tseg1_min;
- u32 tseg1_max;
- u32 tseg2_min;
- u32 tseg2_max;
- u32 sjw_max;
- u32 brp_min;
- u32 brp_max;
- u32 brp_inc;
+ __le32 feature;
+ __le32 fclk_can;
+ __le32 tseg1_min;
+ __le32 tseg1_max;
+ __le32 tseg2_min;
+ __le32 tseg2_max;
+ __le32 sjw_max;
+ __le32 brp_min;
+ __le32 brp_max;
+ __le32 brp_inc;
} __packed;
#define GS_CAN_FLAG_OVERFLOW 1
struct gs_host_frame {
u32 echo_id;
- u32 can_id;
+ __le32 can_id;
u8 can_dlc;
u8 channel;
if (!skb)
return;
- cf->can_id = hf->can_id;
+ cf->can_id = le32_to_cpu(hf->can_id);
- cf->can_dlc = get_can_dlc(hf->can_dlc);
+ can_frame_set_cc_len(cf, hf->can_dlc, dev->can.ctrlmode);
memcpy(cf->data, hf->data, 8);
/* ERROR frames tell us information about the controller */
- if (hf->can_id & CAN_ERR_FLAG)
+ if (le32_to_cpu(hf->can_id) & CAN_ERR_FLAG)
gs_update_state(dev, cf);
netdev->stats.rx_packets++;
goto resubmit_urb;
cf->can_id |= CAN_ERR_CRTL;
- cf->can_dlc = CAN_ERR_DLC;
+ cf->len = CAN_ERR_DLC;
cf->data[1] = CAN_ERR_CRTL_RX_OVERFLOW;
stats->rx_over_errors++;
stats->rx_errors++;
if (!dbt)
return -ENOMEM;
- dbt->prop_seg = bt->prop_seg;
- dbt->phase_seg1 = bt->phase_seg1;
- dbt->phase_seg2 = bt->phase_seg2;
- dbt->sjw = bt->sjw;
- dbt->brp = bt->brp;
+ dbt->prop_seg = cpu_to_le32(bt->prop_seg);
+ dbt->phase_seg1 = cpu_to_le32(bt->phase_seg1);
+ dbt->phase_seg2 = cpu_to_le32(bt->phase_seg2);
+ dbt->sjw = cpu_to_le32(bt->sjw);
+ dbt->brp = cpu_to_le32(bt->brp);
/* request bit timings */
rc = usb_control_msg(interface_to_usbdev(intf),
cf = (struct can_frame *)skb->data;
- hf->can_id = cf->can_id;
+ hf->can_id = cpu_to_le32(cf->can_id);
- hf->can_dlc = cf->can_dlc;
- memcpy(hf->data, cf->data, cf->can_dlc);
+ hf->can_dlc = can_get_cc_dlc(cf, dev->can.ctrlmode);
+
+ memcpy(hf->data, cf->data, cf->len);
usb_fill_bulk_urb(urb, dev->udev,
usb_sndbulkpipe(dev->udev, GSUSB_ENDPOINT_OUT),
int rc, i;
struct gs_device_mode *dm;
u32 ctrlmode;
+ u32 flags = 0;
rc = open_candev(netdev);
if (rc)
/* flags */
ctrlmode = dev->can.ctrlmode;
- dm->flags = 0;
if (ctrlmode & CAN_CTRLMODE_LOOPBACK)
- dm->flags |= GS_CAN_MODE_LOOP_BACK;
+ flags |= GS_CAN_MODE_LOOP_BACK;
else if (ctrlmode & CAN_CTRLMODE_LISTENONLY)
- dm->flags |= GS_CAN_MODE_LISTEN_ONLY;
+ flags |= GS_CAN_MODE_LISTEN_ONLY;
/* Controller is not allowed to retry TX
* this mode is unavailable on atmels uc3c hardware
*/
if (ctrlmode & CAN_CTRLMODE_ONE_SHOT)
- dm->flags |= GS_CAN_MODE_ONE_SHOT;
+ flags |= GS_CAN_MODE_ONE_SHOT;
if (ctrlmode & CAN_CTRLMODE_3_SAMPLES)
- dm->flags |= GS_CAN_MODE_TRIPLE_SAMPLE;
+ flags |= GS_CAN_MODE_TRIPLE_SAMPLE;
/* finally start device */
- dm->mode = GS_CAN_MODE_START;
+ dm->mode = cpu_to_le32(GS_CAN_MODE_START);
+ dm->flags = cpu_to_le32(flags);
rc = usb_control_msg(interface_to_usbdev(dev->iface),
usb_sndctrlpipe(interface_to_usbdev(dev->iface), 0),
GS_USB_BREQ_MODE,
return -ENOMEM;
if (do_identify)
- imode->mode = GS_CAN_IDENTIFY_ON;
+ imode->mode = cpu_to_le32(GS_CAN_IDENTIFY_ON);
else
- imode->mode = GS_CAN_IDENTIFY_OFF;
+ imode->mode = cpu_to_le32(GS_CAN_IDENTIFY_OFF);
rc = usb_control_msg(interface_to_usbdev(dev->iface),
usb_sndctrlpipe(interface_to_usbdev(dev->iface),
struct net_device *netdev;
int rc;
struct gs_device_bt_const *bt_const;
+ u32 feature;
bt_const = kmalloc(sizeof(*bt_const), GFP_KERNEL);
if (!bt_const)
/* dev setup */
strcpy(dev->bt_const.name, "gs_usb");
- dev->bt_const.tseg1_min = bt_const->tseg1_min;
- dev->bt_const.tseg1_max = bt_const->tseg1_max;
- dev->bt_const.tseg2_min = bt_const->tseg2_min;
- dev->bt_const.tseg2_max = bt_const->tseg2_max;
- dev->bt_const.sjw_max = bt_const->sjw_max;
- dev->bt_const.brp_min = bt_const->brp_min;
- dev->bt_const.brp_max = bt_const->brp_max;
- dev->bt_const.brp_inc = bt_const->brp_inc;
+ dev->bt_const.tseg1_min = le32_to_cpu(bt_const->tseg1_min);
+ dev->bt_const.tseg1_max = le32_to_cpu(bt_const->tseg1_max);
+ dev->bt_const.tseg2_min = le32_to_cpu(bt_const->tseg2_min);
+ dev->bt_const.tseg2_max = le32_to_cpu(bt_const->tseg2_max);
+ dev->bt_const.sjw_max = le32_to_cpu(bt_const->sjw_max);
+ dev->bt_const.brp_min = le32_to_cpu(bt_const->brp_min);
+ dev->bt_const.brp_max = le32_to_cpu(bt_const->brp_max);
+ dev->bt_const.brp_inc = le32_to_cpu(bt_const->brp_inc);
dev->udev = interface_to_usbdev(intf);
dev->iface = intf;
/* can setup */
dev->can.state = CAN_STATE_STOPPED;
- dev->can.clock.freq = bt_const->fclk_can;
+ dev->can.clock.freq = le32_to_cpu(bt_const->fclk_can);
dev->can.bittiming_const = &dev->bt_const;
dev->can.do_set_bittiming = gs_usb_set_bittiming;
- dev->can.ctrlmode_supported = 0;
+ dev->can.ctrlmode_supported = CAN_CTRLMODE_CC_LEN8_DLC;
- if (bt_const->feature & GS_CAN_FEATURE_LISTEN_ONLY)
+ feature = le32_to_cpu(bt_const->feature);
+ if (feature & GS_CAN_FEATURE_LISTEN_ONLY)
dev->can.ctrlmode_supported |= CAN_CTRLMODE_LISTENONLY;
- if (bt_const->feature & GS_CAN_FEATURE_LOOP_BACK)
+ if (feature & GS_CAN_FEATURE_LOOP_BACK)
dev->can.ctrlmode_supported |= CAN_CTRLMODE_LOOPBACK;
- if (bt_const->feature & GS_CAN_FEATURE_TRIPLE_SAMPLE)
+ if (feature & GS_CAN_FEATURE_TRIPLE_SAMPLE)
dev->can.ctrlmode_supported |= CAN_CTRLMODE_3_SAMPLES;
- if (bt_const->feature & GS_CAN_FEATURE_ONE_SHOT)
+ if (feature & GS_CAN_FEATURE_ONE_SHOT)
dev->can.ctrlmode_supported |= CAN_CTRLMODE_ONE_SHOT;
SET_NETDEV_DEV(netdev, &intf->dev);
- if (dconf->sw_version > 1)
- if (bt_const->feature & GS_CAN_FEATURE_IDENTIFY)
+ if (le32_to_cpu(dconf->sw_version) > 1)
+ if (feature & GS_CAN_FEATURE_IDENTIFY)
netdev->ethtool_ops = &gs_usb_ethtool_ops;
kfree(bt_const);
if (!hconf)
return -ENOMEM;
- hconf->byte_order = 0x0000beef;
+ hconf->byte_order = cpu_to_le32(0x0000beef);
/* send host config */
rc = usb_control_msg(interface_to_usbdev(intf),
gcl_config->atc = 0xff;
gcl_config->acl_len = cpu_to_le16(gcl_len);
- if (!admin_conf->base_time) {
- gcl_data->btl =
- cpu_to_le32(enetc_rd(&priv->si->hw, ENETC_SICTR0));
- gcl_data->bth =
- cpu_to_le32(enetc_rd(&priv->si->hw, ENETC_SICTR1));
- } else {
- gcl_data->btl =
- cpu_to_le32(lower_32_bits(admin_conf->base_time));
- gcl_data->bth =
- cpu_to_le32(upper_32_bits(admin_conf->base_time));
- }
-
+ gcl_data->btl = cpu_to_le32(lower_32_bits(admin_conf->base_time));
+ gcl_data->bth = cpu_to_le32(upper_32_bits(admin_conf->base_time));
gcl_data->ct = cpu_to_le32(admin_conf->cycle_time);
gcl_data->cte = cpu_to_le32(admin_conf->cycle_time_extension);
return -ENOMEM;
}
- cbd.addr[0] = lower_32_bits(dma);
- cbd.addr[1] = upper_32_bits(dma);
+ cbd.addr[0] = cpu_to_le32(lower_32_bits(dma));
+ cbd.addr[1] = cpu_to_le32(upper_32_bits(dma));
cbd.cls = BDCR_CMD_PORT_GCL;
cbd.status_flags = 0;
return -ENOMEM;
}
- cbd.addr[0] = lower_32_bits(dma);
- cbd.addr[1] = upper_32_bits(dma);
+ cbd.addr[0] = cpu_to_le32(lower_32_bits(dma));
+ cbd.addr[1] = cpu_to_le32(upper_32_bits(dma));
eth_broadcast_addr(si_data->dmac);
- si_data->vid_vidm_tg =
- cpu_to_le16(ENETC_CBDR_SID_VID_MASK
- + ((0x3 << 14) | ENETC_CBDR_SID_VIDM));
+ si_data->vid_vidm_tg = (ENETC_CBDR_SID_VID_MASK
+ + ((0x3 << 14) | ENETC_CBDR_SID_VIDM));
si_conf = &cbd.sid_set;
/* Only one port supported for one entry, set itself */
- si_conf->iports = 1 << enetc_get_port(priv);
+ si_conf->iports = cpu_to_le32(1 << enetc_get_port(priv));
si_conf->id_type = 1;
si_conf->oui[2] = 0x0;
si_conf->oui[1] = 0x80;
si_conf->en = 0x80;
si_conf->stream_handle = cpu_to_le32(sid->handle);
- si_conf->iports = 1 << enetc_get_port(priv);
+ si_conf->iports = cpu_to_le32(1 << enetc_get_port(priv));
si_conf->id_type = sid->filtertype;
si_conf->oui[2] = 0x0;
si_conf->oui[1] = 0x80;
cbd.length = cpu_to_le16(data_size);
- cbd.addr[0] = lower_32_bits(dma);
- cbd.addr[1] = upper_32_bits(dma);
+ cbd.addr[0] = cpu_to_le32(lower_32_bits(dma));
+ cbd.addr[1] = cpu_to_le32(upper_32_bits(dma));
/* VIDM default to be 1.
* VID Match. If set (b1) then the VID must match, otherwise
*/
if (si_conf->id_type == STREAMID_TYPE_NULL) {
ether_addr_copy(si_data->dmac, sid->dst_mac);
- si_data->vid_vidm_tg =
- cpu_to_le16((sid->vid & ENETC_CBDR_SID_VID_MASK) +
- ((((u16)(sid->tagged) & 0x3) << 14)
- | ENETC_CBDR_SID_VIDM));
+ si_data->vid_vidm_tg = (sid->vid & ENETC_CBDR_SID_VID_MASK) +
+ ((((u16)(sid->tagged) & 0x3) << 14)
+ | ENETC_CBDR_SID_VIDM);
} else if (si_conf->id_type == STREAMID_TYPE_SMAC) {
ether_addr_copy(si_data->smac, sid->src_mac);
- si_data->vid_vidm_tg =
- cpu_to_le16((sid->vid & ENETC_CBDR_SID_VID_MASK) +
- ((((u16)(sid->tagged) & 0x3) << 14)
- | ENETC_CBDR_SID_VIDM));
+ si_data->vid_vidm_tg = (sid->vid & ENETC_CBDR_SID_VID_MASK) +
+ ((((u16)(sid->tagged) & 0x3) << 14)
+ | ENETC_CBDR_SID_VIDM);
}
err = enetc_send_cmd(priv->si, &cbd);
}
sfi_config->sg_inst_table_index = cpu_to_le16(sfi->gate_id);
- sfi_config->input_ports = 1 << enetc_get_port(priv);
+ sfi_config->input_ports = cpu_to_le32(1 << enetc_get_port(priv));
/* The priority value which may be matched against the
* frame’s priority value to determine a match for this entry.
err = -ENOMEM;
goto exit;
}
- cbd.addr[0] = lower_32_bits(dma);
- cbd.addr[1] = upper_32_bits(dma);
+ cbd.addr[0] = cpu_to_le32(lower_32_bits(dma));
+ cbd.addr[1] = cpu_to_le32(upper_32_bits(dma));
cbd.length = cpu_to_le16(data_size);
if (err)
goto exit;
- cnt->matching_frames_count =
- ((u64)le32_to_cpu(data_buf->matchh) << 32)
- + data_buf->matchl;
+ cnt->matching_frames_count = ((u64)data_buf->matchh << 32) +
+ data_buf->matchl;
- cnt->not_passing_sdu_count =
- ((u64)le32_to_cpu(data_buf->msdu_droph) << 32)
- + data_buf->msdu_dropl;
+ cnt->not_passing_sdu_count = ((u64)data_buf->msdu_droph << 32) +
+ data_buf->msdu_dropl;
cnt->passing_sdu_count = cnt->matching_frames_count
- cnt->not_passing_sdu_count;
cnt->not_passing_frames_count =
- ((u64)le32_to_cpu(data_buf->stream_gate_droph) << 32)
- + le32_to_cpu(data_buf->stream_gate_dropl);
+ ((u64)data_buf->stream_gate_droph << 32) +
+ data_buf->stream_gate_dropl;
- cnt->passing_frames_count = cnt->matching_frames_count
- - cnt->not_passing_sdu_count
- - cnt->not_passing_frames_count;
+ cnt->passing_frames_count = cnt->matching_frames_count -
+ cnt->not_passing_sdu_count -
+ cnt->not_passing_frames_count;
- cnt->red_frames_count =
- ((u64)le32_to_cpu(data_buf->flow_meter_droph) << 32)
- + le32_to_cpu(data_buf->flow_meter_dropl);
+ cnt->red_frames_count = ((u64)data_buf->flow_meter_droph << 32) +
+ data_buf->flow_meter_dropl;
exit:
kfree(data_buf);
return -ENOMEM;
}
- cbd.addr[0] = lower_32_bits(dma);
- cbd.addr[1] = upper_32_bits(dma);
+ cbd.addr[0] = cpu_to_le32(lower_32_bits(dma));
+ cbd.addr[1] = cpu_to_le32(upper_32_bits(dma));
sgce = &sgcl_data->sgcl[0];
sgcl_config->agtst = 0x80;
- sgcl_data->ct = cpu_to_le32(sgi->cycletime);
- sgcl_data->cte = cpu_to_le32(sgi->cycletimext);
+ sgcl_data->ct = sgi->cycletime;
+ sgcl_data->cte = sgi->cycletimext;
if (sgi->init_ipv >= 0)
sgcl_config->aipv = (sgi->init_ipv & 0x7) | 0x8;
to->msdu[2] = (from->maxoctets >> 16) & 0xFF;
}
- to->interval = cpu_to_le32(from->interval);
+ to->interval = from->interval;
}
/* If basetime is less than now, calculate start time */
err = get_start_ns(now, sgi->cycletime, &start);
if (err)
goto exit;
- sgcl_data->btl = cpu_to_le32(lower_32_bits(start));
- sgcl_data->bth = cpu_to_le32(upper_32_bits(start));
+ sgcl_data->btl = lower_32_bits(start);
+ sgcl_data->bth = upper_32_bits(start);
} else {
u32 hi, lo;
hi = upper_32_bits(sgi->basetime);
lo = lower_32_bits(sgi->basetime);
- sgcl_data->bth = cpu_to_le32(hi);
- sgcl_data->btl = cpu_to_le32(lo);
+ sgcl_data->bth = hi;
+ sgcl_data->btl = lo;
}
err = enetc_send_cmd(priv->si, &cbd);
static int ibmvnic_send_crq_init(struct ibmvnic_adapter *);
static int ibmvnic_reenable_crq_queue(struct ibmvnic_adapter *);
static int ibmvnic_send_crq(struct ibmvnic_adapter *, union ibmvnic_crq *);
-static int send_subcrq(struct ibmvnic_adapter *adapter, u64 remote_handle,
- union sub_crq *sub_crq);
static int send_subcrq_indirect(struct ibmvnic_adapter *, u64, u64, u64);
static irqreturn_t ibmvnic_interrupt_rx(int irq, void *instance);
static int enable_scrq_irq(struct ibmvnic_adapter *,
int count = pool->size - atomic_read(&pool->available);
u64 handle = adapter->rx_scrq[pool->index]->handle;
struct device *dev = &adapter->vdev->dev;
+ struct ibmvnic_ind_xmit_queue *ind_bufp;
+ struct ibmvnic_sub_crq_queue *rx_scrq;
+ union sub_crq *sub_crq;
int buffers_added = 0;
unsigned long lpar_rc;
- union sub_crq sub_crq;
struct sk_buff *skb;
unsigned int offset;
dma_addr_t dma_addr;
if (!pool->active)
return;
+ rx_scrq = adapter->rx_scrq[pool->index];
+ ind_bufp = &rx_scrq->ind_buf;
for (i = 0; i < count; ++i) {
- skb = alloc_skb(pool->buff_size, GFP_ATOMIC);
+ skb = netdev_alloc_skb(adapter->netdev, pool->buff_size);
if (!skb) {
dev_err(dev, "Couldn't replenish rx buff\n");
adapter->replenish_no_mem++;
pool->rx_buff[index].pool_index = pool->index;
pool->rx_buff[index].size = pool->buff_size;
- memset(&sub_crq, 0, sizeof(sub_crq));
- sub_crq.rx_add.first = IBMVNIC_CRQ_CMD;
- sub_crq.rx_add.correlator =
+ sub_crq = &ind_bufp->indir_arr[ind_bufp->index++];
+ memset(sub_crq, 0, sizeof(*sub_crq));
+ sub_crq->rx_add.first = IBMVNIC_CRQ_CMD;
+ sub_crq->rx_add.correlator =
cpu_to_be64((u64)&pool->rx_buff[index]);
- sub_crq.rx_add.ioba = cpu_to_be32(dma_addr);
- sub_crq.rx_add.map_id = pool->long_term_buff.map_id;
+ sub_crq->rx_add.ioba = cpu_to_be32(dma_addr);
+ sub_crq->rx_add.map_id = pool->long_term_buff.map_id;
/* The length field of the sCRQ is defined to be 24 bits so the
* buffer size needs to be left shifted by a byte before it is
#ifdef __LITTLE_ENDIAN__
shift = 8;
#endif
- sub_crq.rx_add.len = cpu_to_be32(pool->buff_size << shift);
-
- lpar_rc = send_subcrq(adapter, handle, &sub_crq);
- if (lpar_rc != H_SUCCESS)
- goto failure;
-
- buffers_added++;
- adapter->replenish_add_buff_success++;
+ sub_crq->rx_add.len = cpu_to_be32(pool->buff_size << shift);
pool->next_free = (pool->next_free + 1) % pool->size;
+ if (ind_bufp->index == IBMVNIC_MAX_IND_DESCS ||
+ i == count - 1) {
+ lpar_rc =
+ send_subcrq_indirect(adapter, handle,
+ (u64)ind_bufp->indir_dma,
+ (u64)ind_bufp->index);
+ if (lpar_rc != H_SUCCESS)
+ goto failure;
+ buffers_added += ind_bufp->index;
+ adapter->replenish_add_buff_success += ind_bufp->index;
+ ind_bufp->index = 0;
+ }
}
atomic_add(buffers_added, &pool->available);
return;
failure:
if (lpar_rc != H_PARAMETER && lpar_rc != H_CLOSED)
dev_err_ratelimited(dev, "rx: replenish packet buffer failed\n");
- pool->free_map[pool->next_free] = index;
- pool->rx_buff[index].skb = NULL;
-
- dev_kfree_skb_any(skb);
- adapter->replenish_add_buff_failure++;
- atomic_add(buffers_added, &pool->available);
+ for (i = ind_bufp->index - 1; i >= 0; --i) {
+ struct ibmvnic_rx_buff *rx_buff;
+ pool->next_free = pool->next_free == 0 ?
+ pool->size - 1 : pool->next_free - 1;
+ sub_crq = &ind_bufp->indir_arr[i];
+ rx_buff = (struct ibmvnic_rx_buff *)
+ be64_to_cpu(sub_crq->rx_add.correlator);
+ index = (int)(rx_buff - pool->rx_buff);
+ pool->free_map[pool->next_free] = index;
+ dev_kfree_skb_any(pool->rx_buff[index].skb);
+ pool->rx_buff[index].skb = NULL;
+ }
+ ind_bufp->index = 0;
if (lpar_rc == H_CLOSED || adapter->failover_pending) {
/* Disable buffer pool replenishment and report carrier off if
* queue is closed or pending failover.
if (rx_pool->buff_size != buff_size) {
free_long_term_buff(adapter, &rx_pool->long_term_buff);
- rx_pool->buff_size = buff_size;
+ rx_pool->buff_size = ALIGN(buff_size, L1_CACHE_BYTES);
rc = alloc_long_term_buff(adapter,
&rx_pool->long_term_buff,
rx_pool->size *
rx_pool->size = adapter->req_rx_add_entries_per_subcrq;
rx_pool->index = i;
- rx_pool->buff_size = buff_size;
+ rx_pool->buff_size = ALIGN(buff_size, L1_CACHE_BYTES);
rx_pool->active = 1;
rx_pool->free_map = kcalloc(rx_pool->size, sizeof(int),
{
struct ibmvnic_adapter *adapter = netdev_priv(netdev);
int tx_subcrqs;
+ u64 buff_size;
int i, rc;
tx_subcrqs = adapter->num_active_tx_scrqs;
adapter->num_active_tx_pools = tx_subcrqs;
for (i = 0; i < tx_subcrqs; i++) {
+ buff_size = adapter->req_mtu + VLAN_HLEN;
+ buff_size = ALIGN(buff_size, L1_CACHE_BYTES);
rc = init_one_tx_pool(netdev, &adapter->tx_pool[i],
adapter->req_tx_entries_per_subcrq,
- adapter->req_mtu + VLAN_HLEN);
+ buff_size);
if (rc) {
release_tx_pools(adapter);
return rc;
if (prev_state == VNIC_CLOSED)
enable_irq(adapter->tx_scrq[i]->irq);
enable_scrq_irq(adapter, adapter->tx_scrq[i]);
+ netdev_tx_reset_queue(netdev_get_tx_queue(netdev, i));
}
rc = set_link_state(adapter, IBMVNIC_LOGICAL_LNK_UP);
* L2/L3/L4 packet header descriptors to be sent by send_subcrq_indirect.
*/
-static void build_hdr_descs_arr(struct ibmvnic_tx_buff *txbuff,
+static void build_hdr_descs_arr(struct sk_buff *skb,
+ union sub_crq *indir_arr,
int *num_entries, u8 hdr_field)
{
int hdr_len[3] = {0, 0, 0};
+ u8 hdr_data[140] = {0};
int tot_len;
- u8 *hdr_data = txbuff->hdr_data;
- tot_len = build_hdr_data(hdr_field, txbuff->skb, hdr_len,
- txbuff->hdr_data);
+ tot_len = build_hdr_data(hdr_field, skb, hdr_len,
+ hdr_data);
*num_entries += create_hdr_descs(hdr_field, hdr_data, tot_len, hdr_len,
- txbuff->indir_arr + 1);
+ indir_arr + 1);
}
static int ibmvnic_xmit_workarounds(struct sk_buff *skb,
return 0;
}
+static void ibmvnic_tx_scrq_clean_buffer(struct ibmvnic_adapter *adapter,
+ struct ibmvnic_sub_crq_queue *tx_scrq)
+{
+ struct ibmvnic_ind_xmit_queue *ind_bufp;
+ struct ibmvnic_tx_buff *tx_buff;
+ struct ibmvnic_tx_pool *tx_pool;
+ union sub_crq tx_scrq_entry;
+ int queue_num;
+ int entries;
+ int index;
+ int i;
+
+ ind_bufp = &tx_scrq->ind_buf;
+ entries = (u64)ind_bufp->index;
+ queue_num = tx_scrq->pool_index;
+
+ for (i = entries - 1; i >= 0; --i) {
+ tx_scrq_entry = ind_bufp->indir_arr[i];
+ if (tx_scrq_entry.v1.type != IBMVNIC_TX_DESC)
+ continue;
+ index = be32_to_cpu(tx_scrq_entry.v1.correlator);
+ if (index & IBMVNIC_TSO_POOL_MASK) {
+ tx_pool = &adapter->tso_pool[queue_num];
+ index &= ~IBMVNIC_TSO_POOL_MASK;
+ } else {
+ tx_pool = &adapter->tx_pool[queue_num];
+ }
+ tx_pool->free_map[tx_pool->consumer_index] = index;
+ tx_pool->consumer_index = tx_pool->consumer_index == 0 ?
+ tx_pool->num_buffers - 1 :
+ tx_pool->consumer_index - 1;
+ tx_buff = &tx_pool->tx_buff[index];
+ adapter->netdev->stats.tx_packets--;
+ adapter->netdev->stats.tx_bytes -= tx_buff->skb->len;
+ adapter->tx_stats_buffers[queue_num].packets--;
+ adapter->tx_stats_buffers[queue_num].bytes -=
+ tx_buff->skb->len;
+ dev_kfree_skb_any(tx_buff->skb);
+ tx_buff->skb = NULL;
+ adapter->netdev->stats.tx_dropped++;
+ }
+ ind_bufp->index = 0;
+ if (atomic_sub_return(entries, &tx_scrq->used) <=
+ (adapter->req_tx_entries_per_subcrq / 2) &&
+ __netif_subqueue_stopped(adapter->netdev, queue_num)) {
+ netif_wake_subqueue(adapter->netdev, queue_num);
+ netdev_dbg(adapter->netdev, "Started queue %d\n",
+ queue_num);
+ }
+}
+
+static int ibmvnic_tx_scrq_flush(struct ibmvnic_adapter *adapter,
+ struct ibmvnic_sub_crq_queue *tx_scrq)
+{
+ struct ibmvnic_ind_xmit_queue *ind_bufp;
+ u64 dma_addr;
+ u64 entries;
+ u64 handle;
+ int rc;
+
+ ind_bufp = &tx_scrq->ind_buf;
+ dma_addr = (u64)ind_bufp->indir_dma;
+ entries = (u64)ind_bufp->index;
+ handle = tx_scrq->handle;
+
+ if (!entries)
+ return 0;
+ rc = send_subcrq_indirect(adapter, handle, dma_addr, entries);
+ if (rc)
+ ibmvnic_tx_scrq_clean_buffer(adapter, tx_scrq);
+ else
+ ind_bufp->index = 0;
+ return 0;
+}
+
static netdev_tx_t ibmvnic_xmit(struct sk_buff *skb, struct net_device *netdev)
{
struct ibmvnic_adapter *adapter = netdev_priv(netdev);
int queue_num = skb_get_queue_mapping(skb);
u8 *hdrs = (u8 *)&adapter->tx_rx_desc_req;
struct device *dev = &adapter->vdev->dev;
+ struct ibmvnic_ind_xmit_queue *ind_bufp;
struct ibmvnic_tx_buff *tx_buff = NULL;
struct ibmvnic_sub_crq_queue *tx_scrq;
struct ibmvnic_tx_pool *tx_pool;
unsigned int tx_send_failed = 0;
+ netdev_tx_t ret = NETDEV_TX_OK;
unsigned int tx_map_failed = 0;
+ union sub_crq indir_arr[16];
unsigned int tx_dropped = 0;
unsigned int tx_packets = 0;
unsigned int tx_bytes = 0;
unsigned char *dst;
int index = 0;
u8 proto = 0;
- u64 handle;
- netdev_tx_t ret = NETDEV_TX_OK;
+
+ tx_scrq = adapter->tx_scrq[queue_num];
+ txq = netdev_get_tx_queue(netdev, queue_num);
+ ind_bufp = &tx_scrq->ind_buf;
if (test_bit(0, &adapter->resetting)) {
if (!netif_subqueue_stopped(netdev, skb))
tx_send_failed++;
tx_dropped++;
ret = NETDEV_TX_OK;
+ ibmvnic_tx_scrq_flush(adapter, tx_scrq);
goto out;
}
tx_dropped++;
tx_send_failed++;
ret = NETDEV_TX_OK;
+ ibmvnic_tx_scrq_flush(adapter, tx_scrq);
goto out;
}
if (skb_is_gso(skb))
else
tx_pool = &adapter->tx_pool[queue_num];
- tx_scrq = adapter->tx_scrq[queue_num];
- txq = netdev_get_tx_queue(netdev, skb_get_queue_mapping(skb));
- handle = tx_scrq->handle;
-
index = tx_pool->free_map[tx_pool->consumer_index];
if (index == IBMVNIC_INVALID_MAP) {
tx_send_failed++;
tx_dropped++;
ret = NETDEV_TX_OK;
+ ibmvnic_tx_scrq_flush(adapter, tx_scrq);
goto out;
}
tx_buff = &tx_pool->tx_buff[index];
tx_buff->skb = skb;
- tx_buff->data_dma[0] = data_dma_addr;
- tx_buff->data_len[0] = skb->len;
tx_buff->index = index;
tx_buff->pool_index = queue_num;
- tx_buff->last_frag = true;
memset(&tx_crq, 0, sizeof(tx_crq));
tx_crq.v1.first = IBMVNIC_CRQ_CMD;
tx_crq.v1.mss = cpu_to_be16(skb_shinfo(skb)->gso_size);
hdrs += 2;
}
- /* determine if l2/3/4 headers are sent to firmware */
- if ((*hdrs >> 7) & 1) {
- build_hdr_descs_arr(tx_buff, &num_entries, *hdrs);
- tx_crq.v1.n_crq_elem = num_entries;
- tx_buff->num_entries = num_entries;
- tx_buff->indir_arr[0] = tx_crq;
- tx_buff->indir_dma = dma_map_single(dev, tx_buff->indir_arr,
- sizeof(tx_buff->indir_arr),
- DMA_TO_DEVICE);
- if (dma_mapping_error(dev, tx_buff->indir_dma)) {
- dev_kfree_skb_any(skb);
- tx_buff->skb = NULL;
- if (!firmware_has_feature(FW_FEATURE_CMO))
- dev_err(dev, "tx: unable to map descriptor array\n");
- tx_map_failed++;
- tx_dropped++;
- ret = NETDEV_TX_OK;
- goto tx_err_out;
- }
- lpar_rc = send_subcrq_indirect(adapter, handle,
- (u64)tx_buff->indir_dma,
- (u64)num_entries);
- dma_unmap_single(dev, tx_buff->indir_dma,
- sizeof(tx_buff->indir_arr), DMA_TO_DEVICE);
- } else {
- tx_buff->num_entries = num_entries;
- lpar_rc = send_subcrq(adapter, handle,
- &tx_crq);
- }
- if (lpar_rc != H_SUCCESS) {
- if (lpar_rc != H_CLOSED && lpar_rc != H_PARAMETER)
- dev_err_ratelimited(dev, "tx: send failed\n");
- dev_kfree_skb_any(skb);
- tx_buff->skb = NULL;
- if (lpar_rc == H_CLOSED || adapter->failover_pending) {
- /* Disable TX and report carrier off if queue is closed
- * or pending failover.
- * Firmware guarantees that a signal will be sent to the
- * driver, triggering a reset or some other action.
- */
- netif_tx_stop_all_queues(netdev);
- netif_carrier_off(netdev);
- }
+ if ((*hdrs >> 7) & 1)
+ build_hdr_descs_arr(skb, indir_arr, &num_entries, *hdrs);
- tx_send_failed++;
- tx_dropped++;
- ret = NETDEV_TX_OK;
- goto tx_err_out;
+ tx_crq.v1.n_crq_elem = num_entries;
+ tx_buff->num_entries = num_entries;
+ /* flush buffer if current entry can not fit */
+ if (num_entries + ind_bufp->index > IBMVNIC_MAX_IND_DESCS) {
+ lpar_rc = ibmvnic_tx_scrq_flush(adapter, tx_scrq);
+ if (lpar_rc != H_SUCCESS)
+ goto tx_flush_err;
+ }
+
+ indir_arr[0] = tx_crq;
+ memcpy(&ind_bufp->indir_arr[ind_bufp->index], &indir_arr[0],
+ num_entries * sizeof(struct ibmvnic_generic_scrq));
+ ind_bufp->index += num_entries;
+ if (__netdev_tx_sent_queue(txq, skb->len,
+ netdev_xmit_more() &&
+ ind_bufp->index < IBMVNIC_MAX_IND_DESCS)) {
+ lpar_rc = ibmvnic_tx_scrq_flush(adapter, tx_scrq);
+ if (lpar_rc != H_SUCCESS)
+ goto tx_err;
}
if (atomic_add_return(num_entries, &tx_scrq->used)
ret = NETDEV_TX_OK;
goto out;
-tx_err_out:
- /* roll back consumer index and map array*/
- if (tx_pool->consumer_index == 0)
- tx_pool->consumer_index =
- tx_pool->num_buffers - 1;
- else
- tx_pool->consumer_index--;
- tx_pool->free_map[tx_pool->consumer_index] = index;
+tx_flush_err:
+ dev_kfree_skb_any(skb);
+ tx_buff->skb = NULL;
+ tx_pool->consumer_index = tx_pool->consumer_index == 0 ?
+ tx_pool->num_buffers - 1 :
+ tx_pool->consumer_index - 1;
+ tx_dropped++;
+tx_err:
+ if (lpar_rc != H_CLOSED && lpar_rc != H_PARAMETER)
+ dev_err_ratelimited(dev, "tx: send failed\n");
+
+ if (lpar_rc == H_CLOSED || adapter->failover_pending) {
+ /* Disable TX and report carrier off if queue is closed
+ * or pending failover.
+ * Firmware guarantees that a signal will be sent to the
+ * driver, triggering a reset or some other action.
+ */
+ netif_tx_stop_all_queues(netdev);
+ netif_carrier_off(netdev);
+ }
out:
netdev->stats.tx_dropped += tx_dropped;
netdev->stats.tx_bytes += tx_bytes;
for (i = 0; i < adapter->req_rx_queues; i++)
napi_schedule(&adapter->napi[i]);
- if (adapter->reset_reason != VNIC_RESET_FAILOVER)
+ if (adapter->reset_reason == VNIC_RESET_FAILOVER ||
+ adapter->reset_reason == VNIC_RESET_MOBILITY) {
call_netdevice_notifiers(NETDEV_NOTIFY_PEERS, netdev);
+ call_netdevice_notifiers(NETDEV_RESEND_IGMP, netdev);
+ }
rc = 0;
if (rc)
return IBMVNIC_OPEN_FAILED;
+ call_netdevice_notifiers(NETDEV_NOTIFY_PEERS, netdev);
+ call_netdevice_notifiers(NETDEV_RESEND_IGMP, netdev);
+
return 0;
}
if (!saved_state) {
reset_state = adapter->state;
- adapter->state = VNIC_RESETTING;
saved_state = true;
}
spin_unlock_irqrestore(&adapter->state_lock, flags);
{
struct ibmvnic_adapter *adapter = netdev_priv(dev);
+ if (test_bit(0, &adapter->resetting)) {
+ netdev_err(adapter->netdev,
+ "Adapter is resetting, skip timeout reset\n");
+ return;
+ }
+
ibmvnic_reset(adapter, VNIC_RESET_TIMEOUT);
}
static int ibmvnic_poll(struct napi_struct *napi, int budget)
{
- struct net_device *netdev = napi->dev;
- struct ibmvnic_adapter *adapter = netdev_priv(netdev);
- int scrq_num = (int)(napi - adapter->napi);
- int frames_processed = 0;
+ struct ibmvnic_sub_crq_queue *rx_scrq;
+ struct ibmvnic_adapter *adapter;
+ struct net_device *netdev;
+ int frames_processed;
+ int scrq_num;
+
+ netdev = napi->dev;
+ adapter = netdev_priv(netdev);
+ scrq_num = (int)(napi - adapter->napi);
+ frames_processed = 0;
+ rx_scrq = adapter->rx_scrq[scrq_num];
restart_poll:
while (frames_processed < budget) {
if (unlikely(test_bit(0, &adapter->resetting) &&
adapter->reset_reason != VNIC_RESET_NON_FATAL)) {
- enable_scrq_irq(adapter, adapter->rx_scrq[scrq_num]);
+ enable_scrq_irq(adapter, rx_scrq);
napi_complete_done(napi, frames_processed);
return frames_processed;
}
- if (!pending_scrq(adapter, adapter->rx_scrq[scrq_num]))
+ if (!pending_scrq(adapter, rx_scrq))
break;
- next = ibmvnic_next_scrq(adapter, adapter->rx_scrq[scrq_num]);
+ next = ibmvnic_next_scrq(adapter, rx_scrq);
rx_buff =
(struct ibmvnic_rx_buff *)be64_to_cpu(next->
rx_comp.correlator);
frames_processed++;
}
- if (adapter->state != VNIC_CLOSING)
+ if (adapter->state != VNIC_CLOSING &&
+ ((atomic_read(&adapter->rx_pool[scrq_num].available) <
+ adapter->req_rx_add_entries_per_subcrq / 2) ||
+ frames_processed < budget))
replenish_rx_pool(adapter, &adapter->rx_pool[scrq_num]);
-
if (frames_processed < budget) {
- enable_scrq_irq(adapter, adapter->rx_scrq[scrq_num]);
- napi_complete_done(napi, frames_processed);
- if (pending_scrq(adapter, adapter->rx_scrq[scrq_num]) &&
- napi_reschedule(napi)) {
- disable_scrq_irq(adapter, adapter->rx_scrq[scrq_num]);
- goto restart_poll;
+ if (napi_complete_done(napi, frames_processed)) {
+ enable_scrq_irq(adapter, rx_scrq);
+ if (pending_scrq(adapter, rx_scrq)) {
+ rmb();
+ if (napi_reschedule(napi)) {
+ disable_scrq_irq(adapter, rx_scrq);
+ goto restart_poll;
+ }
+ }
}
}
return frames_processed;
memset(scrq->msgs, 0, 4 * PAGE_SIZE);
atomic_set(&scrq->used, 0);
scrq->cur = 0;
+ scrq->ind_buf.index = 0;
rc = h_reg_sub_crq(adapter->vdev->unit_address, scrq->msg_token,
4 * PAGE_SIZE, &scrq->crq_num, &scrq->hw_irq);
{
int i, rc;
+ if (!adapter->tx_scrq || !adapter->rx_scrq)
+ return -EINVAL;
+
for (i = 0; i < adapter->req_tx_queues; i++) {
netdev_dbg(adapter->netdev, "Re-setting tx_scrq[%d]\n", i);
rc = reset_one_sub_crq_queue(adapter, adapter->tx_scrq[i]);
}
}
+ dma_free_coherent(dev,
+ IBMVNIC_IND_ARR_SZ,
+ scrq->ind_buf.indir_arr,
+ scrq->ind_buf.indir_dma);
+
dma_unmap_single(dev, scrq->msg_token, 4 * PAGE_SIZE,
DMA_BIDIRECTIONAL);
free_pages((unsigned long)scrq->msgs, 2);
scrq->adapter = adapter;
scrq->size = 4 * PAGE_SIZE / sizeof(*scrq->msgs);
+ scrq->ind_buf.index = 0;
+
+ scrq->ind_buf.indir_arr =
+ dma_alloc_coherent(dev,
+ IBMVNIC_IND_ARR_SZ,
+ &scrq->ind_buf.indir_dma,
+ GFP_KERNEL);
+
+ if (!scrq->ind_buf.indir_arr)
+ goto indir_failed;
+
spin_lock_init(&scrq->lock);
netdev_dbg(adapter->netdev,
return scrq;
+indir_failed:
+ do {
+ rc = plpar_hcall_norets(H_FREE_SUB_CRQ,
+ adapter->vdev->unit_address,
+ scrq->crq_num);
+ } while (rc == H_BUSY || rc == H_IS_LONG_BUSY(rc));
reg_failed:
dma_unmap_single(dev, scrq->msg_token, 4 * PAGE_SIZE,
DMA_BIDIRECTIONAL);
struct device *dev = &adapter->vdev->dev;
struct ibmvnic_tx_pool *tx_pool;
struct ibmvnic_tx_buff *txbuff;
+ struct netdev_queue *txq;
union sub_crq *next;
int index;
- int i, j;
+ int i;
restart_loop:
while (pending_scrq(adapter, scrq)) {
unsigned int pool = scrq->pool_index;
int num_entries = 0;
+ int total_bytes = 0;
+ int num_packets = 0;
next = ibmvnic_next_scrq(adapter, scrq);
for (i = 0; i < next->tx_comp.num_comps; i++) {
}
txbuff = &tx_pool->tx_buff[index];
-
- for (j = 0; j < IBMVNIC_MAX_FRAGS_PER_CRQ; j++) {
- if (!txbuff->data_dma[j])
- continue;
-
- txbuff->data_dma[j] = 0;
- }
-
- if (txbuff->last_frag) {
- dev_kfree_skb_any(txbuff->skb);
+ num_packets++;
+ num_entries += txbuff->num_entries;
+ if (txbuff->skb) {
+ total_bytes += txbuff->skb->len;
+ dev_consume_skb_irq(txbuff->skb);
txbuff->skb = NULL;
+ } else {
+ netdev_warn(adapter->netdev,
+ "TX completion received with NULL socket buffer\n");
}
-
- num_entries += txbuff->num_entries;
-
tx_pool->free_map[tx_pool->producer_index] = index;
tx_pool->producer_index =
(tx_pool->producer_index + 1) %
/* remove tx_comp scrq*/
next->tx_comp.first = 0;
+ txq = netdev_get_tx_queue(adapter->netdev, scrq->pool_index);
+ netdev_tx_completed_queue(txq, num_packets, total_bytes);
+
if (atomic_sub_return(num_entries, &scrq->used) <=
(adapter->req_tx_entries_per_subcrq / 2) &&
__netif_subqueue_stopped(adapter->netdev,
}
}
-static int send_subcrq(struct ibmvnic_adapter *adapter, u64 remote_handle,
- union sub_crq *sub_crq)
-{
- unsigned int ua = adapter->vdev->unit_address;
- struct device *dev = &adapter->vdev->dev;
- u64 *u64_crq = (u64 *)sub_crq;
- int rc;
-
- netdev_dbg(adapter->netdev,
- "Sending sCRQ %016lx: %016lx %016lx %016lx %016lx\n",
- (unsigned long int)cpu_to_be64(remote_handle),
- (unsigned long int)cpu_to_be64(u64_crq[0]),
- (unsigned long int)cpu_to_be64(u64_crq[1]),
- (unsigned long int)cpu_to_be64(u64_crq[2]),
- (unsigned long int)cpu_to_be64(u64_crq[3]));
-
- /* Make sure the hypervisor sees the complete request */
- mb();
-
- rc = plpar_hcall_norets(H_SEND_SUB_CRQ, ua,
- cpu_to_be64(remote_handle),
- cpu_to_be64(u64_crq[0]),
- cpu_to_be64(u64_crq[1]),
- cpu_to_be64(u64_crq[2]),
- cpu_to_be64(u64_crq[3]));
-
- if (rc)
- print_subcrq_error(dev, rc, __func__);
-
- return rc;
-}
-
static int send_subcrq_indirect(struct ibmvnic_adapter *adapter,
u64 remote_handle, u64 ioba, u64 num_entries)
{
} while (rc == H_BUSY || H_IS_LONG_BUSY(rc));
/* Clean out the queue */
+ if (!crq->msgs)
+ return -EINVAL;
+
memset(crq->msgs, 0, PAGE_SIZE);
crq->cur = 0;
crq->active = false;
unsigned long flags;
spin_lock_irqsave(&adapter->state_lock, flags);
- if (adapter->state == VNIC_RESETTING) {
+ if (test_bit(0, &adapter->resetting)) {
spin_unlock_irqrestore(&adapter->state_lock, flags);
return -EBUSY;
}
#define IBMVNIC_BUFFS_PER_POOL 100
#define IBMVNIC_MAX_QUEUES 16
#define IBMVNIC_MAX_QUEUE_SZ 4096
+#define IBMVNIC_MAX_IND_DESCS 128
+#define IBMVNIC_IND_ARR_SZ (IBMVNIC_MAX_IND_DESCS * 32)
#define IBMVNIC_TSO_BUF_SZ 65536
#define IBMVNIC_TSO_BUFS 64
#define IBMVNIC_TCP_CHKSUM 0x20
#define IBMVNIC_UDP_CHKSUM 0x08
-#define IBMVNIC_MAX_FRAGS_PER_CRQ 3
-
struct ibmvnic_tx_desc {
u8 first;
u8 type;
struct ibmvnic_rx_buff_add_desc rx_add;
};
+struct ibmvnic_ind_xmit_queue {
+ union sub_crq *indir_arr;
+ dma_addr_t indir_dma;
+ int index;
+};
+
struct ibmvnic_sub_crq_queue {
union sub_crq *msgs;
int size, cur;
spinlock_t lock;
struct sk_buff *rx_skb_top;
struct ibmvnic_adapter *adapter;
+ struct ibmvnic_ind_xmit_queue ind_buf;
atomic_t used;
char name[32];
u64 handle;
-};
+} ____cacheline_aligned;
struct ibmvnic_long_term_buff {
unsigned char *buff;
struct ibmvnic_tx_buff {
struct sk_buff *skb;
- dma_addr_t data_dma[IBMVNIC_MAX_FRAGS_PER_CRQ];
- unsigned int data_len[IBMVNIC_MAX_FRAGS_PER_CRQ];
int index;
int pool_index;
- bool last_frag;
- union sub_crq indir_arr[6];
- u8 hdr_data[140];
- dma_addr_t indir_dma;
int num_entries;
};
struct ibmvnic_long_term_buff long_term_buff;
int num_buffers;
int buf_size;
-};
+} ____cacheline_aligned;
struct ibmvnic_rx_buff {
struct sk_buff *skb;
int next_alloc;
int active;
struct ibmvnic_long_term_buff long_term_buff;
-};
+} ____cacheline_aligned;
struct ibmvnic_vpd {
unsigned char *buff;
VNIC_CLOSING,
VNIC_CLOSED,
VNIC_REMOVING,
- VNIC_REMOVED,
- VNIC_RESETTING};
+ VNIC_REMOVED};
enum ibmvnic_reset_reason {VNIC_RESET_FAILOVER = 1,
VNIC_RESET_MOBILITY,
atomic_t running_cap_crqs;
bool wait_capability;
- struct ibmvnic_sub_crq_queue **tx_scrq;
- struct ibmvnic_sub_crq_queue **rx_scrq;
+ struct ibmvnic_sub_crq_queue **tx_scrq ____cacheline_aligned;
+ struct ibmvnic_sub_crq_queue **rx_scrq ____cacheline_aligned;
/* rx structs */
struct napi_struct *napi;
} else if (vf->link_forced) {
pfe.event_data.link_event.link_status = vf->link_up;
pfe.event_data.link_event.link_speed =
- (vf->link_up ? VIRTCHNL_LINK_SPEED_40GB : 0);
+ (vf->link_up ? i40e_virtchnl_link_speed(ls->link_speed) : 0);
} else {
pfe.event_data.link_event.link_status =
ls->link_info & I40E_AQ_LINK_UP;
* @vf: pointer to the VF structure
* @flr: VFLR was issued or not
*
- * Returns true if the VF is reset, false otherwise.
+ * Returns true if the VF is in reset, resets successfully, or resets
+ * are disabled and false otherwise.
**/
bool i40e_reset_vf(struct i40e_vf *vf, bool flr)
{
u32 reg;
int i;
+ if (test_bit(__I40E_VF_RESETS_DISABLED, pf->state))
+ return true;
+
/* If the VFs have been disabled, this means something else is
* resetting the VF, so we shouldn't continue.
*/
if (test_and_set_bit(__I40E_VF_DISABLE, pf->state))
- return false;
+ return true;
i40e_trigger_vf_reset(vf, flr);
i40e_notify_client_of_vf_enable(pf, 0);
+ /* Disable IOV before freeing resources. This lets any VF drivers
+ * running in the host get themselves cleaned up before we yank
+ * the carpet out from underneath their feet.
+ */
+ if (!pci_vfs_assigned(pf->pdev))
+ pci_disable_sriov(pf->pdev);
+ else
+ dev_warn(&pf->pdev->dev, "VFs are assigned - not disabling SR-IOV\n");
+
/* Amortize wait time by stopping all VFs at the same time */
for (i = 0; i < pf->num_alloc_vfs; i++) {
if (test_bit(I40E_VF_STATE_INIT, &pf->vf[i].vf_states))
i40e_vsi_wait_queues_disabled(pf->vsi[pf->vf[i].lan_vsi_idx]);
}
- /* Disable IOV before freeing resources. This lets any VF drivers
- * running in the host get themselves cleaned up before we yank
- * the carpet out from underneath their feet.
- */
- if (!pci_vfs_assigned(pf->pdev))
- pci_disable_sriov(pf->pdev);
- else
- dev_warn(&pf->pdev->dev, "VFs are assigned - not disabling SR-IOV\n");
-
/* free up VF resources */
tmp = pf->num_alloc_vfs;
pf->num_alloc_vfs = 0;
{
struct i40e_netdev_priv *np = netdev_priv(netdev);
struct i40e_pf *pf = np->vsi->back;
+ struct i40e_link_status *ls = &pf->hw.phy.link_info;
struct virtchnl_pf_event pfe;
struct i40e_hw *hw = &pf->hw;
struct i40e_vf *vf;
vf->link_forced = true;
vf->link_up = true;
pfe.event_data.link_event.link_status = true;
- pfe.event_data.link_event.link_speed = VIRTCHNL_LINK_SPEED_40GB;
+ pfe.event_data.link_event.link_speed = i40e_virtchnl_link_speed(ls->link_speed);
break;
case IFLA_VF_LINK_STATE_DISABLE:
vf->link_forced = true;
writel(value, ioaddr + GMAC4_LPI_CTRL_STATUS);
}
+static void dwmac4_set_eee_lpi_entry_timer(struct mac_device_info *hw, int et)
+{
+ void __iomem *ioaddr = hw->pcsr;
+ int value = et & STMMAC_ET_MAX;
+ int regval;
+
+ /* Program LPI entry timer value into register */
+ writel(value, ioaddr + GMAC4_LPI_ENTRY_TIMER);
+
+ /* Enable/disable LPI entry timer */
+ regval = readl(ioaddr + GMAC4_LPI_CTRL_STATUS);
+ regval |= GMAC4_LPI_CTRL_STATUS_LPIEN | GMAC4_LPI_CTRL_STATUS_LPITXA;
+
+ if (et)
+ regval |= GMAC4_LPI_CTRL_STATUS_LPIATE;
+ else
+ regval &= ~GMAC4_LPI_CTRL_STATUS_LPIATE;
+
+ writel(regval, ioaddr + GMAC4_LPI_CTRL_STATUS);
+}
+
static void dwmac4_set_eee_timer(struct mac_device_info *hw, int ls, int tw)
{
void __iomem *ioaddr = hw->pcsr;
.get_umac_addr = dwmac4_get_umac_addr,
.set_eee_mode = dwmac4_set_eee_mode,
.reset_eee_mode = dwmac4_reset_eee_mode,
+ .set_eee_lpi_entry_timer = dwmac4_set_eee_lpi_entry_timer,
.set_eee_timer = dwmac4_set_eee_timer,
.set_eee_pls = dwmac4_set_eee_pls,
.pcs_ctrl_ane = dwmac4_ctrl_ane,
.pcs_get_adv_lp = dwmac4_get_adv_lp,
.debug = dwmac4_debug,
.set_filter = dwmac4_set_filter,
- .flex_pps_config = dwmac5_flex_pps_config,
.set_mac_loopback = dwmac4_set_mac_loopback,
.update_vlan_hash = dwmac4_update_vlan_hash,
.sarc_configure = dwmac4_sarc_configure,
.get_umac_addr = dwmac4_get_umac_addr,
.set_eee_mode = dwmac4_set_eee_mode,
.reset_eee_mode = dwmac4_reset_eee_mode,
+ .set_eee_lpi_entry_timer = dwmac4_set_eee_lpi_entry_timer,
.set_eee_timer = dwmac4_set_eee_timer,
.set_eee_pls = dwmac4_set_eee_pls,
.pcs_ctrl_ane = dwmac4_ctrl_ane,
.pcs_get_adv_lp = dwmac4_get_adv_lp,
.debug = dwmac4_debug,
.set_filter = dwmac4_set_filter,
+ .flex_pps_config = dwmac5_flex_pps_config,
.set_mac_loopback = dwmac4_set_mac_loopback,
.update_vlan_hash = dwmac4_update_vlan_hash,
.sarc_configure = dwmac4_sarc_configure,
.get_umac_addr = dwmac4_get_umac_addr,
.set_eee_mode = dwmac4_set_eee_mode,
.reset_eee_mode = dwmac4_reset_eee_mode,
+ .set_eee_lpi_entry_timer = dwmac4_set_eee_lpi_entry_timer,
.set_eee_timer = dwmac4_set_eee_timer,
.set_eee_pls = dwmac4_set_eee_pls,
.pcs_ctrl_ane = dwmac4_ctrl_ane,
#define TUN_FLOW_EXPIRE (3 * HZ)
-struct tun_pcpu_stats {
- u64_stats_t rx_packets;
- u64_stats_t rx_bytes;
- u64_stats_t tx_packets;
- u64_stats_t tx_bytes;
- struct u64_stats_sync syncp;
- u32 rx_dropped;
- u32 tx_dropped;
- u32 rx_frame_errors;
-};
-
/* A tun_file connects an open character device to a tuntap netdevice. It
* also contains all socket related structures (except sock_fprog and tap_filter)
* to serve as one transmit queue for tuntap device. The sock_fprog and
void *security;
u32 flow_count;
u32 rx_batched;
- struct tun_pcpu_stats __percpu *pcpu_stats;
+ atomic_long_t rx_frame_errors;
struct bpf_prog __rcu *xdp_prog;
struct tun_prog __rcu *steering_prog;
struct tun_prog __rcu *filter_prog;
return NETDEV_TX_OK;
drop:
- this_cpu_inc(tun->pcpu_stats->tx_dropped);
+ atomic_long_inc(&dev->tx_dropped);
skb_tx_error(skb);
kfree_skb(skb);
rcu_read_unlock();
static void
tun_net_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *stats)
{
- u32 rx_dropped = 0, tx_dropped = 0, rx_frame_errors = 0;
struct tun_struct *tun = netdev_priv(dev);
- struct tun_pcpu_stats *p;
- int i;
-
- for_each_possible_cpu(i) {
- u64 rxpackets, rxbytes, txpackets, txbytes;
- unsigned int start;
-
- p = per_cpu_ptr(tun->pcpu_stats, i);
- do {
- start = u64_stats_fetch_begin(&p->syncp);
- rxpackets = u64_stats_read(&p->rx_packets);
- rxbytes = u64_stats_read(&p->rx_bytes);
- txpackets = u64_stats_read(&p->tx_packets);
- txbytes = u64_stats_read(&p->tx_bytes);
- } while (u64_stats_fetch_retry(&p->syncp, start));
- stats->rx_packets += rxpackets;
- stats->rx_bytes += rxbytes;
- stats->tx_packets += txpackets;
- stats->tx_bytes += txbytes;
+ dev_get_tstats64(dev, stats);
- /* u32 counters */
- rx_dropped += p->rx_dropped;
- rx_frame_errors += p->rx_frame_errors;
- tx_dropped += p->tx_dropped;
- }
- stats->rx_dropped = rx_dropped;
- stats->rx_frame_errors = rx_frame_errors;
- stats->tx_dropped = tx_dropped;
+ stats->rx_frame_errors +=
+ (unsigned long)atomic_long_read(&tun->rx_frame_errors);
}
static int tun_xdp_set(struct net_device *dev, struct bpf_prog *prog,
void *frame = tun_xdp_to_ptr(xdp);
if (__ptr_ring_produce(&tfile->tx_ring, frame)) {
- this_cpu_inc(tun->pcpu_stats->tx_dropped);
+ atomic_long_inc(&dev->tx_dropped);
xdp_return_frame_rx_napi(xdp);
drops++;
}
.ndo_select_queue = tun_select_queue,
.ndo_features_check = passthru_features_check,
.ndo_set_rx_headroom = tun_set_headroom,
- .ndo_get_stats64 = tun_net_get_stats64,
+ .ndo_get_stats64 = dev_get_tstats64,
.ndo_bpf = tun_xdp,
.ndo_xdp_xmit = tun_xdp_xmit,
.ndo_change_carrier = tun_net_change_carrier,
trace_xdp_exception(tun->dev, xdp_prog, act);
fallthrough;
case XDP_DROP:
- this_cpu_inc(tun->pcpu_stats->rx_dropped);
+ atomic_long_inc(&tun->dev->rx_dropped);
break;
}
size_t total_len = iov_iter_count(from);
size_t len = total_len, align = tun->align, linear;
struct virtio_net_hdr gso = { 0 };
- struct tun_pcpu_stats *stats;
int good_linear;
int copylen;
bool zerocopy = false;
*/
skb = tun_build_skb(tun, tfile, from, &gso, len, &skb_xdp);
if (IS_ERR(skb)) {
- this_cpu_inc(tun->pcpu_stats->rx_dropped);
+ atomic_long_inc(&tun->dev->rx_dropped);
return PTR_ERR(skb);
}
if (!skb)
if (IS_ERR(skb)) {
if (PTR_ERR(skb) != -EAGAIN)
- this_cpu_inc(tun->pcpu_stats->rx_dropped);
+ atomic_long_inc(&tun->dev->rx_dropped);
if (frags)
mutex_unlock(&tfile->napi_mutex);
return PTR_ERR(skb);
if (err) {
err = -EFAULT;
drop:
- this_cpu_inc(tun->pcpu_stats->rx_dropped);
+ atomic_long_inc(&tun->dev->rx_dropped);
kfree_skb(skb);
if (frags) {
tfile->napi.skb = NULL;
}
if (virtio_net_hdr_to_skb(skb, &gso, tun_is_little_endian(tun))) {
- this_cpu_inc(tun->pcpu_stats->rx_frame_errors);
+ atomic_long_inc(&tun->rx_frame_errors);
kfree_skb(skb);
if (frags) {
tfile->napi.skb = NULL;
pi.proto = htons(ETH_P_IPV6);
break;
default:
- this_cpu_inc(tun->pcpu_stats->rx_dropped);
+ atomic_long_inc(&tun->dev->rx_dropped);
kfree_skb(skb);
return -EINVAL;
}
skb_headlen(skb));
if (unlikely(headlen > skb_headlen(skb))) {
- this_cpu_inc(tun->pcpu_stats->rx_dropped);
+ atomic_long_inc(&tun->dev->rx_dropped);
napi_free_frags(&tfile->napi);
rcu_read_unlock();
mutex_unlock(&tfile->napi_mutex);
}
rcu_read_unlock();
- stats = get_cpu_ptr(tun->pcpu_stats);
- u64_stats_update_begin(&stats->syncp);
- u64_stats_inc(&stats->rx_packets);
- u64_stats_add(&stats->rx_bytes, len);
- u64_stats_update_end(&stats->syncp);
- put_cpu_ptr(stats);
+ preempt_disable();
+ dev_sw_netstats_rx_add(tun->dev, len);
+ preempt_enable();
if (rxhash)
tun_flow_update(tun, rxhash, tfile);
struct tun_file *tfile = file->private_data;
struct tun_struct *tun = tun_get(tfile);
ssize_t result;
+ int noblock = 0;
if (!tun)
return -EBADFD;
- result = tun_get_user(tun, tfile, NULL, from,
- file->f_flags & O_NONBLOCK, false);
+ if ((file->f_flags & O_NONBLOCK) || (iocb->ki_flags & IOCB_NOWAIT))
+ noblock = 1;
+
+ result = tun_get_user(tun, tfile, NULL, from, noblock, false);
tun_put(tun);
return result;
{
int vnet_hdr_sz = 0;
size_t size = xdp_frame->len;
- struct tun_pcpu_stats *stats;
size_t ret;
if (tun->flags & IFF_VNET_HDR) {
ret = copy_to_iter(xdp_frame->data, size, iter) + vnet_hdr_sz;
- stats = get_cpu_ptr(tun->pcpu_stats);
- u64_stats_update_begin(&stats->syncp);
- u64_stats_inc(&stats->tx_packets);
- u64_stats_add(&stats->tx_bytes, ret);
- u64_stats_update_end(&stats->syncp);
- put_cpu_ptr(tun->pcpu_stats);
+ preempt_disable();
+ dev_sw_netstats_tx_add(tun->dev, 1, ret);
+ preempt_enable();
return ret;
}
struct iov_iter *iter)
{
struct tun_pi pi = { 0, skb->protocol };
- struct tun_pcpu_stats *stats;
ssize_t total;
int vlan_offset = 0;
int vlan_hlen = 0;
done:
/* caller is in process context, */
- stats = get_cpu_ptr(tun->pcpu_stats);
- u64_stats_update_begin(&stats->syncp);
- u64_stats_inc(&stats->tx_packets);
- u64_stats_add(&stats->tx_bytes, skb->len + vlan_hlen);
- u64_stats_update_end(&stats->syncp);
- put_cpu_ptr(tun->pcpu_stats);
+ preempt_disable();
+ dev_sw_netstats_tx_add(tun->dev, 1, skb->len + vlan_hlen);
+ preempt_enable();
return total;
}
struct tun_file *tfile = file->private_data;
struct tun_struct *tun = tun_get(tfile);
ssize_t len = iov_iter_count(to), ret;
+ int noblock = 0;
if (!tun)
return -EBADFD;
- ret = tun_do_read(tun, tfile, to, file->f_flags & O_NONBLOCK, NULL);
+
+ if ((file->f_flags & O_NONBLOCK) || (iocb->ki_flags & IOCB_NOWAIT))
+ noblock = 1;
+
+ ret = tun_do_read(tun, tfile, to, noblock, NULL);
ret = min_t(ssize_t, ret, len);
if (ret > 0)
iocb->ki_pos = ret;
BUG_ON(!(list_empty(&tun->disabled)));
- free_percpu(tun->pcpu_stats);
- /* We clear pcpu_stats so that tun_set_iff() can tell if
+ free_percpu(dev->tstats);
+ /* We clear tstats so that tun_set_iff() can tell if
* tun_free_netdev() has been called from register_netdevice().
*/
- tun->pcpu_stats = NULL;
+ dev->tstats = NULL;
tun_flow_uninit(tun);
security_tun_dev_free_security(tun->security);
unsigned int datasize = xdp->data_end - xdp->data;
struct tun_xdp_hdr *hdr = xdp->data_hard_start;
struct virtio_net_hdr *gso = &hdr->gso;
- struct tun_pcpu_stats *stats;
struct bpf_prog *xdp_prog;
struct sk_buff *skb = NULL;
u32 rxhash = 0, act;
skb_put(skb, xdp->data_end - xdp->data);
if (virtio_net_hdr_to_skb(skb, gso, tun_is_little_endian(tun))) {
- this_cpu_inc(tun->pcpu_stats->rx_frame_errors);
+ atomic_long_inc(&tun->rx_frame_errors);
kfree_skb(skb);
err = -EINVAL;
goto out;
netif_receive_skb(skb);
- /* No need for get_cpu_ptr() here since this function is
+ /* No need to disable preemption here since this function is
* always called with bh disabled
*/
- stats = this_cpu_ptr(tun->pcpu_stats);
- u64_stats_update_begin(&stats->syncp);
- u64_stats_inc(&stats->rx_packets);
- u64_stats_add(&stats->rx_bytes, datasize);
- u64_stats_update_end(&stats->syncp);
+ dev_sw_netstats_rx_add(tun->dev, datasize);
if (rxhash)
tun_flow_update(tun, rxhash, tfile);
tun->rx_batched = 0;
RCU_INIT_POINTER(tun->steering_prog, NULL);
- tun->pcpu_stats = netdev_alloc_pcpu_stats(struct tun_pcpu_stats);
- if (!tun->pcpu_stats) {
+ dev->tstats = netdev_alloc_pcpu_stats(struct pcpu_sw_netstats);
+ if (!dev->tstats) {
err = -ENOMEM;
goto err_free_dev;
}
tun_detach_all(dev);
/* We are here because register_netdevice() has failed.
* If register_netdevice() already called tun_free_netdev()
- * while dealing with the error, tun->pcpu_stats has been cleared.
+ * while dealing with the error, dev->stats has been cleared.
*/
- if (!tun->pcpu_stats)
+ if (!dev->tstats)
goto err_free_dev;
err_free_flow:
tun_flow_uninit(tun);
security_tun_dev_free_security(tun->security);
err_free_stat:
- free_percpu(tun->pcpu_stats);
+ free_percpu(dev->tstats);
err_free_dev:
free_netdev(dev);
return err;
"Linktype set failed because interface is up\n");
ret = -EBUSY;
} else {
+ ret = call_netdevice_notifiers(NETDEV_PRE_TYPE_CHANGE,
+ tun->dev);
+ ret = notifier_to_errno(ret);
+ if (ret) {
+ netif_info(tun, drv, tun->dev,
+ "Refused to change device type\n");
+ break;
+ }
tun->dev->type = (int) arg;
netif_info(tun, drv, tun->dev, "linktype set to %d\n",
tun->dev->type);
- ret = 0;
+ call_netdevice_notifiers(NETDEV_POST_TYPE_CHANGE,
+ tun->dev);
}
break;
#define S3FWRN5_I2C_DRIVER_NAME "s3fwrn5_i2c"
-#define S3FWRN5_I2C_MAX_PAYLOAD 32
#define S3FWRN5_EN_WAIT_TIME 150
struct s3fwrn5_i2c_phy {
struct i2c_client *i2c_dev;
struct nci_dev *ndev;
- unsigned int gpio_en;
- unsigned int gpio_fw_wake;
+ int gpio_en;
+ int gpio_fw_wake;
struct mutex mutex;
if (ret < 0)
return ret;
- ret = s3fwrn5_probe(&phy->ndev, phy, &phy->i2c_dev->dev, &i2c_phy_ops,
- S3FWRN5_I2C_MAX_PAYLOAD);
+ ret = s3fwrn5_probe(&phy->ndev, phy, &phy->i2c_dev->dev, &i2c_phy_ops);
if (ret < 0)
return ret;
QETH_QDIO_BUF_EMPTY,
/* Filled by driver; owned by hardware in order to be sent. */
QETH_QDIO_BUF_PRIMED,
- /* Identified to be pending in TPQ. */
+ /* Discovered by the TX completion code: */
QETH_QDIO_BUF_PENDING,
- /* Found in completion queue. */
- QETH_QDIO_BUF_IN_CQ,
+ /* Finished by the TX completion code: */
+ QETH_QDIO_BUF_NEED_QAOB,
+ /* Received QAOB notification on CQ: */
+ QETH_QDIO_BUF_QAOB_OK,
+ QETH_QDIO_BUF_QAOB_ERROR,
/* Handled via transfer pending / completion queue. */
QETH_QDIO_BUF_HANDLED_DELAYED,
};
QETH_PNSO_ADDR_INFO,
};
+enum qeth_link_mode {
+ QETH_LINK_MODE_UNKNOWN,
+ QETH_LINK_MODE_FIBRE_SHORT,
+ QETH_LINK_MODE_FIBRE_LONG,
+};
+
+struct qeth_link_info {
+ u32 speed;
+ u8 duplex;
+ u8 port;
+ enum qeth_link_mode link_mode;
+};
+
#define QETH_BROADCAST_WITH_ECHO 0x01
#define QETH_BROADCAST_WITHOUT_ECHO 0x02
struct qeth_card_info {
struct qeth_card_blkt blkt;
__u32 diagass_support;
__u32 hwtrap;
+ struct qeth_link_info link_info;
};
enum qeth_discipline_id {
u8 bufs_refill;
};
-struct carrier_info {
- __u8 card_type;
- __u16 port_mode;
- __u32 port_speed;
-};
-
struct qeth_switch_info {
__u32 capabilities;
__u32 settings;
int qeth_query_switch_attributes(struct qeth_card *card,
struct qeth_switch_info *sw_info);
int qeth_query_card_info(struct qeth_card *card,
- struct carrier_info *carrier_info);
+ struct qeth_link_info *link_info);
int qeth_setadpparms_set_access_ctrl(struct qeth_card *card,
enum qeth_ipa_isolation_modes mode);
#include <net/iucv/af_iucv.h>
#include <net/dsfield.h>
+ #include <net/sock.h>
#include <asm/ebcdic.h>
#include <asm/chpid.h>
}
}
- if (forced_cleanup && (atomic_read(&(q->bufs[bidx]->state)) ==
- QETH_QDIO_BUF_HANDLED_DELAYED)) {
- /* for recovery situations */
- qeth_init_qdio_out_buf(q, bidx);
- QETH_CARD_TEXT(q->card, 2, "clprecov");
- }
}
static void qeth_qdio_handle_aob(struct qeth_card *card,
unsigned long phys_aob_addr)
{
+ enum qeth_qdio_out_buffer_state new_state = QETH_QDIO_BUF_QAOB_OK;
struct qaob *aob;
struct qeth_qdio_out_buffer *buffer;
enum iucv_tx_notify notification;
buffer = (struct qeth_qdio_out_buffer *) aob->user1;
QETH_CARD_TEXT_(card, 5, "%lx", aob->user1);
- if (atomic_cmpxchg(&buffer->state, QETH_QDIO_BUF_PRIMED,
- QETH_QDIO_BUF_IN_CQ) == QETH_QDIO_BUF_PRIMED) {
- notification = TX_NOTIFY_OK;
- } else {
- WARN_ON_ONCE(atomic_read(&buffer->state) !=
- QETH_QDIO_BUF_PENDING);
- atomic_set(&buffer->state, QETH_QDIO_BUF_IN_CQ);
- notification = TX_NOTIFY_DELAYED_OK;
- }
-
- if (aob->aorc != 0) {
- QETH_CARD_TEXT_(card, 2, "aorc%02X", aob->aorc);
- notification = qeth_compute_cq_notification(aob->aorc, 1);
- }
- qeth_notify_skbs(buffer->q, buffer, notification);
-
/* Free dangling allocations. The attached skbs are handled by
* qeth_cleanup_handled_pending().
*/
if (data && buffer->is_header[i])
kmem_cache_free(qeth_core_header_cache, data);
}
- atomic_set(&buffer->state, QETH_QDIO_BUF_HANDLED_DELAYED);
+
+ if (aob->aorc) {
+ QETH_CARD_TEXT_(card, 2, "aorc%02X", aob->aorc);
+ new_state = QETH_QDIO_BUF_QAOB_ERROR;
+ }
+
+ switch (atomic_xchg(&buffer->state, new_state)) {
+ case QETH_QDIO_BUF_PRIMED:
+ /* Faster than TX completion code. */
+ notification = qeth_compute_cq_notification(aob->aorc, 0);
+ qeth_notify_skbs(buffer->q, buffer, notification);
+ atomic_set(&buffer->state, QETH_QDIO_BUF_HANDLED_DELAYED);
+ break;
+ case QETH_QDIO_BUF_PENDING:
+ /* TX completion code is active and will handle the async
+ * completion for us.
+ */
+ break;
+ case QETH_QDIO_BUF_NEED_QAOB:
+ /* TX completion code is already finished. */
+ notification = qeth_compute_cq_notification(aob->aorc, 1);
+ qeth_notify_skbs(buffer->q, buffer, notification);
+ atomic_set(&buffer->state, QETH_QDIO_BUF_HANDLED_DELAYED);
+ break;
+ default:
+ WARN_ON_ONCE(1);
+ }
qdio_release_aob(aob);
}
skb_queue_walk(&buf->skb_list, skb) {
QETH_CARD_TEXT_(q->card, 5, "skbn%d", notification);
QETH_CARD_TEXT_(q->card, 5, "%lx", (long) skb);
- if (skb->protocol == htons(ETH_P_AF_IUCV) && skb->sk)
+ if (skb->sk && skb->sk->sk_family == PF_IUCV)
iucv_sk(skb->sk)->sk_txnotify(skb, notification);
}
}
struct qeth_qdio_out_q *queue = buf->q;
struct sk_buff *skb;
- /* release may never happen from within CQ tasklet scope */
- WARN_ON_ONCE(atomic_read(&buf->state) == QETH_QDIO_BUF_IN_CQ);
-
if (atomic_read(&buf->state) == QETH_QDIO_BUF_PENDING)
qeth_notify_skbs(queue, buf, TX_NOTIFY_GENERALERROR);
static int qeth_query_card_info_cb(struct qeth_card *card,
struct qeth_reply *reply, unsigned long data)
{
- struct carrier_info *carrier_info = (struct carrier_info *)reply->param;
struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *)data;
+ struct qeth_link_info *link_info = reply->param;
struct qeth_query_card_info *card_info;
QETH_CARD_TEXT(card, 2, "qcrdincb");
return -EIO;
card_info = &cmd->data.setadapterparms.data.card_info;
- carrier_info->card_type = card_info->card_type;
- carrier_info->port_mode = card_info->port_mode;
- carrier_info->port_speed = card_info->port_speed;
+ netdev_dbg(card->dev,
+ "card info: card_type=0x%02x, port_mode=0x%04x, port_speed=0x%08x\n",
+ card_info->card_type, card_info->port_mode,
+ card_info->port_speed);
+
+ switch (card_info->port_mode) {
+ case CARD_INFO_PORTM_FULLDUPLEX:
+ link_info->duplex = DUPLEX_FULL;
+ break;
+ case CARD_INFO_PORTM_HALFDUPLEX:
+ link_info->duplex = DUPLEX_HALF;
+ break;
+ default:
+ link_info->duplex = DUPLEX_UNKNOWN;
+ }
+
+ switch (card_info->card_type) {
+ case CARD_INFO_TYPE_1G_COPPER_A:
+ case CARD_INFO_TYPE_1G_COPPER_B:
+ link_info->speed = SPEED_1000;
+ link_info->port = PORT_TP;
+ break;
+ case CARD_INFO_TYPE_1G_FIBRE_A:
+ case CARD_INFO_TYPE_1G_FIBRE_B:
+ link_info->speed = SPEED_1000;
+ link_info->port = PORT_FIBRE;
+ break;
+ case CARD_INFO_TYPE_10G_FIBRE_A:
+ case CARD_INFO_TYPE_10G_FIBRE_B:
+ link_info->speed = SPEED_10000;
+ link_info->port = PORT_FIBRE;
+ break;
+ default:
+ switch (card_info->port_speed) {
+ case CARD_INFO_PORTS_10M:
+ link_info->speed = SPEED_10;
+ break;
+ case CARD_INFO_PORTS_100M:
+ link_info->speed = SPEED_100;
+ break;
+ case CARD_INFO_PORTS_1G:
+ link_info->speed = SPEED_1000;
+ break;
+ case CARD_INFO_PORTS_10G:
+ link_info->speed = SPEED_10000;
+ break;
+ case CARD_INFO_PORTS_25G:
+ link_info->speed = SPEED_25000;
+ break;
+ default:
+ link_info->speed = SPEED_UNKNOWN;
+ }
+
+ link_info->port = PORT_OTHER;
+ }
+
return 0;
}
int qeth_query_card_info(struct qeth_card *card,
- struct carrier_info *carrier_info)
+ struct qeth_link_info *link_info)
{
struct qeth_cmd_buffer *iob;
iob = qeth_get_adapter_cmd(card, IPA_SETADP_QUERY_CARD_INFO, 0);
if (!iob)
return -ENOMEM;
- return qeth_send_ipa_cmd(card, iob, qeth_query_card_info_cb,
- (void *)carrier_info);
+
+ return qeth_send_ipa_cmd(card, iob, qeth_query_card_info_cb, link_info);
+}
+
+static int qeth_init_link_info_oat_cb(struct qeth_card *card,
+ struct qeth_reply *reply_priv,
+ unsigned long data)
+{
+ struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *)data;
+ struct qeth_link_info *link_info = reply_priv->param;
+ struct qeth_query_oat_physical_if *phys_if;
+ struct qeth_query_oat_reply *reply;
+
+ if (qeth_setadpparms_inspect_rc(cmd))
+ return -EIO;
+
+ /* Multi-part reply is unexpected, don't bother: */
+ if (cmd->data.setadapterparms.hdr.used_total > 1)
+ return -EINVAL;
+
+ /* Expect the reply to start with phys_if data: */
+ reply = &cmd->data.setadapterparms.data.query_oat.reply[0];
+ if (reply->type != QETH_QOAT_REPLY_TYPE_PHYS_IF ||
+ reply->length < sizeof(*reply))
+ return -EINVAL;
+
+ phys_if = &reply->phys_if;
+
+ switch (phys_if->speed_duplex) {
+ case QETH_QOAT_PHYS_SPEED_10M_HALF:
+ link_info->speed = SPEED_10;
+ link_info->duplex = DUPLEX_HALF;
+ break;
+ case QETH_QOAT_PHYS_SPEED_10M_FULL:
+ link_info->speed = SPEED_10;
+ link_info->duplex = DUPLEX_FULL;
+ break;
+ case QETH_QOAT_PHYS_SPEED_100M_HALF:
+ link_info->speed = SPEED_100;
+ link_info->duplex = DUPLEX_HALF;
+ break;
+ case QETH_QOAT_PHYS_SPEED_100M_FULL:
+ link_info->speed = SPEED_100;
+ link_info->duplex = DUPLEX_FULL;
+ break;
+ case QETH_QOAT_PHYS_SPEED_1000M_HALF:
+ link_info->speed = SPEED_1000;
+ link_info->duplex = DUPLEX_HALF;
+ break;
+ case QETH_QOAT_PHYS_SPEED_1000M_FULL:
+ link_info->speed = SPEED_1000;
+ link_info->duplex = DUPLEX_FULL;
+ break;
+ case QETH_QOAT_PHYS_SPEED_10G_FULL:
+ link_info->speed = SPEED_10000;
+ link_info->duplex = DUPLEX_FULL;
+ break;
+ case QETH_QOAT_PHYS_SPEED_25G_FULL:
+ link_info->speed = SPEED_25000;
+ link_info->duplex = DUPLEX_FULL;
+ break;
+ case QETH_QOAT_PHYS_SPEED_UNKNOWN:
+ default:
+ link_info->speed = SPEED_UNKNOWN;
+ link_info->duplex = DUPLEX_UNKNOWN;
+ break;
+ }
+
+ switch (phys_if->media_type) {
+ case QETH_QOAT_PHYS_MEDIA_COPPER:
+ link_info->port = PORT_TP;
+ link_info->link_mode = QETH_LINK_MODE_UNKNOWN;
+ break;
+ case QETH_QOAT_PHYS_MEDIA_FIBRE_SHORT:
+ link_info->port = PORT_FIBRE;
+ link_info->link_mode = QETH_LINK_MODE_FIBRE_SHORT;
+ break;
+ case QETH_QOAT_PHYS_MEDIA_FIBRE_LONG:
+ link_info->port = PORT_FIBRE;
+ link_info->link_mode = QETH_LINK_MODE_FIBRE_LONG;
+ break;
+ default:
+ link_info->port = PORT_OTHER;
+ link_info->link_mode = QETH_LINK_MODE_UNKNOWN;
+ break;
+ }
+
+ return 0;
+}
+
+static void qeth_init_link_info(struct qeth_card *card)
+{
+ card->info.link_info.duplex = DUPLEX_FULL;
+
+ if (IS_IQD(card) || IS_VM_NIC(card)) {
+ card->info.link_info.speed = SPEED_10000;
+ card->info.link_info.port = PORT_FIBRE;
+ card->info.link_info.link_mode = QETH_LINK_MODE_FIBRE_SHORT;
+ } else {
+ switch (card->info.link_type) {
+ case QETH_LINK_TYPE_FAST_ETH:
+ case QETH_LINK_TYPE_LANE_ETH100:
+ card->info.link_info.speed = SPEED_100;
+ card->info.link_info.port = PORT_TP;
+ break;
+ case QETH_LINK_TYPE_GBIT_ETH:
+ case QETH_LINK_TYPE_LANE_ETH1000:
+ card->info.link_info.speed = SPEED_1000;
+ card->info.link_info.port = PORT_FIBRE;
+ break;
+ case QETH_LINK_TYPE_10GBIT_ETH:
+ card->info.link_info.speed = SPEED_10000;
+ card->info.link_info.port = PORT_FIBRE;
+ break;
+ case QETH_LINK_TYPE_25GBIT_ETH:
+ card->info.link_info.speed = SPEED_25000;
+ card->info.link_info.port = PORT_FIBRE;
+ break;
+ default:
+ dev_info(&card->gdev->dev, "Unknown link type %x\n",
+ card->info.link_type);
+ card->info.link_info.speed = SPEED_UNKNOWN;
+ card->info.link_info.port = PORT_OTHER;
+ }
+
+ card->info.link_info.link_mode = QETH_LINK_MODE_UNKNOWN;
+ }
+
+ /* Get more accurate data via QUERY OAT: */
+ if (qeth_adp_supported(card, IPA_SETADP_QUERY_OAT)) {
+ struct qeth_link_info link_info;
+ struct qeth_cmd_buffer *iob;
+
+ iob = qeth_get_adapter_cmd(card, IPA_SETADP_QUERY_OAT,
+ SETADP_DATA_SIZEOF(query_oat));
+ if (iob) {
+ struct qeth_ipa_cmd *cmd = __ipa_cmd(iob);
+ struct qeth_query_oat *oat_req;
+
+ oat_req = &cmd->data.setadapterparms.data.query_oat;
+ oat_req->subcmd_code = QETH_QOAT_SCOPE_INTERFACE;
+
+ if (!qeth_send_ipa_cmd(card, iob,
+ qeth_init_link_info_oat_cb,
+ &link_info)) {
+ if (link_info.speed != SPEED_UNKNOWN)
+ card->info.link_info.speed = link_info.speed;
+ if (link_info.duplex != DUPLEX_UNKNOWN)
+ card->info.link_info.duplex = link_info.duplex;
+ if (link_info.port != PORT_OTHER)
+ card->info.link_info.port = link_info.port;
+ if (link_info.link_mode != QETH_LINK_MODE_UNKNOWN)
+ card->info.link_info.link_mode = link_info.link_mode;
+ }
+ }
+ }
}
/**
goto out;
}
+ qeth_init_link_info(card);
+
rc = qeth_init_qdio_queues(card);
if (rc) {
QETH_CARD_TEXT_(card, 2, "9err%d", rc);
if (atomic_cmpxchg(&buffer->state, QETH_QDIO_BUF_PRIMED,
QETH_QDIO_BUF_PENDING) ==
- QETH_QDIO_BUF_PRIMED)
+ QETH_QDIO_BUF_PRIMED) {
qeth_notify_skbs(queue, buffer, TX_NOTIFY_PENDING);
+ /* Handle race with qeth_qdio_handle_aob(): */
+ switch (atomic_xchg(&buffer->state,
+ QETH_QDIO_BUF_NEED_QAOB)) {
+ case QETH_QDIO_BUF_PENDING:
+ /* No concurrent QAOB notification. */
+ break;
+ case QETH_QDIO_BUF_QAOB_OK:
+ qeth_notify_skbs(queue, buffer,
+ TX_NOTIFY_DELAYED_OK);
+ atomic_set(&buffer->state,
+ QETH_QDIO_BUF_HANDLED_DELAYED);
+ break;
+ case QETH_QDIO_BUF_QAOB_ERROR:
+ qeth_notify_skbs(queue, buffer,
+ TX_NOTIFY_DELAYED_GENERALERROR);
+ atomic_set(&buffer->state,
+ QETH_QDIO_BUF_HANDLED_DELAYED);
+ break;
+ default:
+ WARN_ON_ONCE(1);
+ }
+ }
+
QETH_CARD_TEXT_(card, 5, "pel%u", bidx);
/* prepare the queue slot for re-use: */
*
* On enable, emits a series of address notifications for all
* currently registered hosts.
- *
- * Must be called under rtnl_lock
*/
static int qeth_l2_dev2br_an_set(struct qeth_card *card, bool enable)
{
* change notification' and thus can support the learning_sync bridgeport
* attribute
* @card: qeth_card structure pointer
- *
- * This is a destructive test and must be called before dev2br or
- * bridgeport address notification is enabled!
*/
static void qeth_l2_detect_dev2br_support(struct qeth_card *card)
{
struct qeth_priv *priv = netdev_priv(card->dev);
bool dev2br_supported;
- int rc;
QETH_CARD_TEXT(card, 2, "d2brsup");
if (!IS_IQD(card))
return;
/* dev2br requires valid cssid,iid,chid */
- if (!card->info.ids_valid) {
- dev2br_supported = false;
- } else if (css_general_characteristics.enarf) {
- dev2br_supported = true;
- } else {
- /* Old machines don't have the feature bit:
- * Probe by testing whether a disable succeeds
- */
- rc = qeth_l2_pnso(card, PNSO_OC_NET_ADDR_INFO, 0, NULL, NULL);
- dev2br_supported = !rc;
- }
+ dev2br_supported = card->info.ids_valid &&
+ css_general_characteristics.enarf;
QETH_CARD_TEXT_(card, 2, "D2Bsup%02x", dev2br_supported);
if (dev2br_supported)
if (READ_ONCE(card->info.pnso_mode) == QETH_PNSO_NONE)
goto free;
- /* Potential re-config in progress, try again later: */
- if (!rtnl_trylock()) {
- queue_delayed_work(card->event_wq, dwork,
- msecs_to_jiffies(100));
- return;
- }
- if (!netif_device_present(card->dev))
- goto out_unlock;
-
if (data->ac_event.lost_event_mask) {
+ /* Potential re-config in progress, try again later: */
+ if (!rtnl_trylock()) {
+ queue_delayed_work(card->event_wq, dwork,
+ msecs_to_jiffies(100));
+ return;
+ }
+
+ if (!netif_device_present(card->dev)) {
+ rtnl_unlock();
+ goto free;
+ }
+
QETH_DBF_MESSAGE(3,
"Address change notification overflow on device %x\n",
CARD_DEVID(card));
"Address Notification resynced on device %x\n",
CARD_DEVID(card));
}
+
+ rtnl_unlock();
} else {
for (i = 0; i < data->ac_event.num_entries; i++) {
struct qeth_ipacmd_addr_change_entry *entry =
}
}
-out_unlock:
- rtnl_unlock();
-
free:
kfree(data);
}
struct net_device *dev = card->dev;
int rc = 0;
- /* query before bridgeport_notification may be enabled */
qeth_l2_detect_dev2br_support(card);
mutex_lock(&card->sbp_lock);
card->state = CARD_STATE_DOWN;
qeth_l2_set_pnso_mode(card, QETH_PNSO_NONE);
- if (priv->brport_features & BR_LEARNING_SYNC) {
- rtnl_lock();
+ if (priv->brport_features & BR_LEARNING_SYNC)
qeth_l2_dev2br_fdb_flush(card);
- rtnl_unlock();
- }
}
/* Returns zero if the command is successfully "consumed" */
#include <linux/workqueue.h>
#include <linux/dynamic_queue_limits.h>
-#include <linux/ethtool.h>
#include <net/net_namespace.h>
#ifdef CONFIG_DCB
#include <net/dcbnl.h>
struct netpoll_info;
struct device;
+struct ethtool_ops;
struct phy_device;
struct dsa_port;
struct ip_tunnel_parm;
};
/**
- * enum net_device_priv_flags - &struct net_device priv_flags
+ * enum netdev_priv_flags - &struct net_device priv_flags
*
* These are the &struct net_device, they are only set internally
* by drivers and used in the kernel. These flags are invisible to
u64_stats_update_end(&tstats->syncp);
}
+static inline void dev_sw_netstats_tx_add(struct net_device *dev,
+ unsigned int packets,
+ unsigned int len)
+{
+ struct pcpu_sw_netstats *tstats = this_cpu_ptr(dev->tstats);
+
+ u64_stats_update_begin(&tstats->syncp);
+ tstats->tx_bytes += len;
+ tstats->tx_packets += packets;
+ u64_stats_update_end(&tstats->syncp);
+}
+
static inline void dev_lstats_add(struct net_device *dev, unsigned int len)
{
struct pcpu_lstats *lstats = this_cpu_ptr(dev->lstats);
#define netdev_alloc_pcpu_stats(type) \
__netdev_alloc_pcpu_stats(type, GFP_KERNEL)
+#define devm_netdev_alloc_pcpu_stats(dev, type) \
+({ \
+ typeof(type) __percpu *pcpu_stats = devm_alloc_percpu(dev, type);\
+ if (pcpu_stats) { \
+ int __cpu; \
+ for_each_possible_cpu(__cpu) { \
+ typeof(type) *stat; \
+ stat = per_cpu_ptr(pcpu_stats, __cpu); \
+ u64_stats_init(&stat->syncp); \
+ } \
+ } \
+ pcpu_stats; \
+})
+
enum netdev_lag_tx_type {
NETDEV_LAG_TX_TYPE_UNKNOWN,
NETDEV_LAG_TX_TYPE_RANDOM,
return false;
}
+ static inline bool dev_has_header(const struct net_device *dev)
+ {
+ return dev->header_ops && dev->header_ops->create;
+ }
+
typedef int gifconf_func_t(struct net_device * dev, char __user * bufptr,
int len, int size);
int register_gifconf(unsigned int family, gifconf_func_t *gifconf);
}
/**
- * netif_subqueue_stopped - test status of subqueue
+ * __netif_subqueue_stopped - test status of subqueue
* @dev: network device
* @queue_index: sub queue index
*
return netif_tx_queue_stopped(txq);
}
+/**
+ * netif_subqueue_stopped - test status of subqueue
+ * @dev: network device
+ * @skb: sub queue buffer pointer
+ *
+ * Check individual transmit queue of a device with multiple transmit queues.
+ */
static inline bool netif_subqueue_stopped(const struct net_device *dev,
struct sk_buff *skb)
{
const struct net_device_stats *netdev_stats);
void dev_fetch_sw_netstats(struct rtnl_link_stats64 *s,
const struct pcpu_sw_netstats __percpu *netstats);
+void dev_get_tstats64(struct net_device *dev, struct rtnl_link_stats64 *s);
extern int netdev_max_backlog;
extern int netdev_tstamp_prequeue;
* to be atomic.
*/
TLS_TX_SYNC_SCHED = 1,
+ /* tls_dev_del was called for the RX side, device state was released,
+ * but tls_ctx->netdev might still be kept, because TX-side driver
+ * resources might not be released yet. Used to prevent the second
+ * tls_dev_del call in tls_device_down if it happens simultaneously.
+ */
+ TLS_RX_DEV_CLOSED = 2,
};
struct cipher_context {
union {
struct tls12_crypto_info_aes_gcm_128 aes_gcm_128;
struct tls12_crypto_info_aes_gcm_256 aes_gcm_256;
+ struct tls12_crypto_info_chacha20_poly1305 chacha20_poly1305;
};
};
if (tls_bigint_increment(ctx->rec_seq, prot->rec_seq_size))
tls_err_abort(sk, EBADMSG);
- if (prot->version != TLS_1_3_VERSION)
- tls_bigint_increment(ctx->iv + TLS_CIPHER_AES_GCM_128_SALT_SIZE,
+ if (prot->version != TLS_1_3_VERSION &&
+ prot->cipher_type != TLS_CIPHER_CHACHA20_POLY1305)
+ tls_bigint_increment(ctx->iv + prot->salt_size,
prot->iv_size);
}
static inline void tls_fill_prepend(struct tls_context *ctx,
char *buf,
size_t plaintext_len,
- unsigned char record_type,
- int version)
+ unsigned char record_type)
{
struct tls_prot_info *prot = &ctx->prot_info;
size_t pkt_len, iv_size = prot->iv_size;
pkt_len = plaintext_len + prot->tag_size;
- if (version != TLS_1_3_VERSION) {
+ if (prot->version != TLS_1_3_VERSION &&
+ prot->cipher_type != TLS_CIPHER_CHACHA20_POLY1305) {
pkt_len += iv_size;
memcpy(buf + TLS_NONCE_OFFSET,
- ctx->tx.iv + TLS_CIPHER_AES_GCM_128_SALT_SIZE, iv_size);
+ ctx->tx.iv + prot->salt_size, iv_size);
}
/* we cover nonce explicit here as well, so buf should be of
* size KTLS_DTLS_HEADER_SIZE + KTLS_DTLS_NONCE_EXPLICIT_SIZE
*/
- buf[0] = version == TLS_1_3_VERSION ?
+ buf[0] = prot->version == TLS_1_3_VERSION ?
TLS_RECORD_TYPE_DATA : record_type;
/* Note that VERSION must be TLS_1_2 for both TLS1.2 and TLS1.3 */
buf[1] = TLS_1_2_VERSION_MINOR;
static inline void tls_make_aad(char *buf,
size_t size,
char *record_sequence,
- int record_sequence_size,
unsigned char record_type,
- int version)
+ struct tls_prot_info *prot)
{
- if (version != TLS_1_3_VERSION) {
- memcpy(buf, record_sequence, record_sequence_size);
+ if (prot->version != TLS_1_3_VERSION) {
+ memcpy(buf, record_sequence, prot->rec_seq_size);
buf += 8;
} else {
- size += TLS_CIPHER_AES_GCM_128_TAG_SIZE;
+ size += prot->tag_size;
}
- buf[0] = version == TLS_1_3_VERSION ?
+ buf[0] = prot->version == TLS_1_3_VERSION ?
TLS_RECORD_TYPE_DATA : record_type;
buf[1] = TLS_1_2_VERSION_MAJOR;
buf[2] = TLS_1_2_VERSION_MINOR;
buf[4] = size & 0xFF;
}
-static inline void xor_iv_with_seq(int version, char *iv, char *seq)
+static inline void xor_iv_with_seq(struct tls_prot_info *prot, char *iv, char *seq)
{
int i;
- if (version == TLS_1_3_VERSION) {
+ if (prot->version == TLS_1_3_VERSION ||
+ prot->cipher_type == TLS_CIPHER_CHACHA20_POLY1305) {
for (i = 0; i < 8; i++)
iv[i + 4] ^= seq[i];
}
/* Check for bugs in CAN protocol implementations using af_can.c:
* 'rcv' will be NULL if no matching list item was found for removal.
+ * As this case may potentially happen when closing a socket while
+ * the notifier for removing the CAN netdev is running we just print
+ * a warning here.
*/
if (!rcv) {
- WARN(1, "BUG: receive list entry not found for dev %s, id %03X, mask %03X\n",
- DNAME(dev), can_id, mask);
+ pr_warn("can: receive list entry not found for dev %s, id %03X, mask %03X\n",
+ DNAME(dev), can_id, mask);
goto out;
}
int err;
/* check for correct padding to be able to use the structs similarly */
- BUILD_BUG_ON(offsetof(struct can_frame, can_dlc) !=
+ BUILD_BUG_ON(offsetof(struct can_frame, len) !=
offsetof(struct canfd_frame, len) ||
offsetof(struct can_frame, data) !=
offsetof(struct canfd_frame, data));
return test_bit(limit, &devlink->ops->reload_limits);
}
- static int devlink_reload_stat_put(struct sk_buff *msg, enum devlink_reload_action action,
+ static int devlink_reload_stat_put(struct sk_buff *msg,
enum devlink_reload_limit limit, u32 value)
{
struct nlattr *reload_stats_entry;
if (!reload_stats_entry)
return -EMSGSIZE;
- if (nla_put_u8(msg, DEVLINK_ATTR_RELOAD_ACTION, action) ||
- nla_put_u8(msg, DEVLINK_ATTR_RELOAD_STATS_LIMIT, limit) ||
+ if (nla_put_u8(msg, DEVLINK_ATTR_RELOAD_STATS_LIMIT, limit) ||
nla_put_u32(msg, DEVLINK_ATTR_RELOAD_STATS_VALUE, value))
goto nla_put_failure;
nla_nest_end(msg, reload_stats_entry);
static int devlink_reload_stats_put(struct sk_buff *msg, struct devlink *devlink, bool is_remote)
{
- struct nlattr *reload_stats_attr;
+ struct nlattr *reload_stats_attr, *act_info, *act_stats;
int i, j, stat_idx;
u32 value;
if (!reload_stats_attr)
return -EMSGSIZE;
- for (j = 0; j <= DEVLINK_RELOAD_LIMIT_MAX; j++) {
- /* Remote stats are shown even if not locally supported. Stats
- * of actions with unspecified limit are shown though drivers
- * don't need to register unspecified limit.
- */
- if (!is_remote && j != DEVLINK_RELOAD_LIMIT_UNSPEC &&
- !devlink_reload_limit_is_supported(devlink, j))
+ for (i = 0; i <= DEVLINK_RELOAD_ACTION_MAX; i++) {
+ if ((!is_remote &&
+ !devlink_reload_action_is_supported(devlink, i)) ||
+ i == DEVLINK_RELOAD_ACTION_UNSPEC)
continue;
- for (i = 0; i <= DEVLINK_RELOAD_ACTION_MAX; i++) {
- if ((!is_remote && !devlink_reload_action_is_supported(devlink, i)) ||
- i == DEVLINK_RELOAD_ACTION_UNSPEC ||
+ act_info = nla_nest_start(msg, DEVLINK_ATTR_RELOAD_ACTION_INFO);
+ if (!act_info)
+ goto nla_put_failure;
+
+ if (nla_put_u8(msg, DEVLINK_ATTR_RELOAD_ACTION, i))
+ goto action_info_nest_cancel;
+ act_stats = nla_nest_start(msg, DEVLINK_ATTR_RELOAD_ACTION_STATS);
+ if (!act_stats)
+ goto action_info_nest_cancel;
+
+ for (j = 0; j <= DEVLINK_RELOAD_LIMIT_MAX; j++) {
+ /* Remote stats are shown even if not locally supported.
+ * Stats of actions with unspecified limit are shown
+ * though drivers don't need to register unspecified
+ * limit.
+ */
+ if ((!is_remote && j != DEVLINK_RELOAD_LIMIT_UNSPEC &&
+ !devlink_reload_limit_is_supported(devlink, j)) ||
devlink_reload_combination_is_invalid(i, j))
continue;
value = devlink->stats.reload_stats[stat_idx];
else
value = devlink->stats.remote_reload_stats[stat_idx];
- if (devlink_reload_stat_put(msg, i, j, value))
- goto nla_put_failure;
+ if (devlink_reload_stat_put(msg, j, value))
+ goto action_stats_nest_cancel;
}
+ nla_nest_end(msg, act_stats);
+ nla_nest_end(msg, act_info);
}
nla_nest_end(msg, reload_stats_attr);
return 0;
+ action_stats_nest_cancel:
+ nla_nest_cancel(msg, act_stats);
+ action_info_nest_cancel:
+ nla_nest_cancel(msg, act_info);
nla_put_failure:
nla_nest_cancel(msg, reload_stats_attr);
return -EMSGSIZE;
if (nla_put_u32(msg, DEVLINK_ATTR_PORT_INDEX, devlink_port->index))
goto nla_put_failure;
+ /* Hold rtnl lock while accessing port's netdev attributes. */
+ rtnl_lock();
spin_lock_bh(&devlink_port->type_lock);
if (nla_put_u16(msg, DEVLINK_ATTR_PORT_TYPE, devlink_port->type))
goto nla_put_failure_type_locked;
devlink_port->desired_type))
goto nla_put_failure_type_locked;
if (devlink_port->type == DEVLINK_PORT_TYPE_ETH) {
+ struct net *net = devlink_net(devlink_port->devlink);
struct net_device *netdev = devlink_port->type_dev;
- if (netdev &&
+ if (netdev && net_eq(net, dev_net(netdev)) &&
(nla_put_u32(msg, DEVLINK_ATTR_PORT_NETDEV_IFINDEX,
netdev->ifindex) ||
nla_put_string(msg, DEVLINK_ATTR_PORT_NETDEV_NAME,
goto nla_put_failure_type_locked;
}
spin_unlock_bh(&devlink_port->type_lock);
+ rtnl_unlock();
if (devlink_nl_port_attrs_put(msg, devlink_port))
goto nla_put_failure;
if (devlink_nl_port_function_attrs_put(msg, devlink_port, extack))
nla_put_failure_type_locked:
spin_unlock_bh(&devlink_port->type_lock);
+ rtnl_unlock();
nla_put_failure:
genlmsg_cancel(msg, hdr);
return -EMSGSIZE;
nlmsg_free(msg);
}
-void devlink_flash_update_begin_notify(struct devlink *devlink)
+static void devlink_flash_update_begin_notify(struct devlink *devlink)
{
struct devlink_flash_notify params = { 0 };
DEVLINK_CMD_FLASH_UPDATE,
¶ms);
}
-EXPORT_SYMBOL_GPL(devlink_flash_update_begin_notify);
-void devlink_flash_update_end_notify(struct devlink *devlink)
+static void devlink_flash_update_end_notify(struct devlink *devlink)
{
struct devlink_flash_notify params = { 0 };
DEVLINK_CMD_FLASH_UPDATE_END,
¶ms);
}
-EXPORT_SYMBOL_GPL(devlink_flash_update_end_notify);
void devlink_flash_update_status_notify(struct devlink *devlink,
const char *status_msg,
static int devlink_nl_cmd_flash_update(struct sk_buff *skb,
struct genl_info *info)
{
- struct nlattr *nla_component, *nla_overwrite_mask;
+ struct nlattr *nla_component, *nla_overwrite_mask, *nla_file_name;
struct devlink_flash_update_params params = {};
struct devlink *devlink = info->user_ptr[0];
+ const char *file_name;
u32 supported_params;
+ int ret;
if (!devlink->ops->flash_update)
return -EOPNOTSUPP;
supported_params = devlink->ops->supported_flash_update_params;
- params.file_name = nla_data(info->attrs[DEVLINK_ATTR_FLASH_UPDATE_FILE_NAME]);
-
nla_component = info->attrs[DEVLINK_ATTR_FLASH_UPDATE_COMPONENT];
if (nla_component) {
if (!(supported_params & DEVLINK_SUPPORT_FLASH_UPDATE_COMPONENT)) {
params.overwrite_mask = sections.value & sections.selector;
}
- return devlink->ops->flash_update(devlink, ¶ms, info->extack);
+ nla_file_name = info->attrs[DEVLINK_ATTR_FLASH_UPDATE_FILE_NAME];
+ file_name = nla_data(nla_file_name);
+ ret = request_firmware(¶ms.fw, file_name, devlink->dev);
+ if (ret) {
+ NL_SET_ERR_MSG_ATTR(info->extack, nla_file_name, "failed to locate the requested firmware file");
+ return ret;
+ }
+
+ devlink_flash_update_begin_notify(devlink);
+ ret = devlink->ops->flash_update(devlink, ¶ms, info->extack);
+ devlink_flash_update_end_notify(devlink);
+
+ release_firmware(params.fw);
+
+ return ret;
}
static const struct devlink_param devlink_param_generic[] = {
DEVLINK_TRAP(DCCP_PARSING, DROP),
DEVLINK_TRAP(GTP_PARSING, DROP),
DEVLINK_TRAP(ESP_PARSING, DROP),
+ DEVLINK_TRAP(BLACKHOLE_NEXTHOP, DROP),
};
#define DEVLINK_TRAP_GROUP(_id) \
goto out;
}
- params.file_name = file_name;
+ ret = request_firmware(¶ms.fw, file_name, devlink->dev);
+ if (ret)
+ goto out;
mutex_lock(&devlink->lock);
+ devlink_flash_update_begin_notify(devlink);
ret = devlink->ops->flash_update(devlink, ¶ms, NULL);
+ devlink_flash_update_end_notify(devlink);
mutex_unlock(&devlink->lock);
+ release_firmware(params.fw);
+
out:
rtnl_lock();
dev_put(dev);
fclones->skb2.fclone = SKB_FCLONE_CLONE;
}
+
+ skb_set_kcov_handle(skb, kcov_common_handle());
+
out:
return skb;
nodata:
memset(shinfo, 0, offsetof(struct skb_shared_info, dataref));
atomic_set(&shinfo->dataref, 1);
+ skb_set_kcov_handle(skb, kcov_common_handle());
+
return skb;
}
#endif
/**
- * consume_stateless_skb - free an skbuff, assuming it is stateless
+ * __consume_stateless_skb - free an skbuff, assuming it is stateless
* @skb: buffer to free
*
* Alike consume_skb(), but this variant assumes that this is the last
return;
}
+ lockdep_assert_in_softirq();
+
if (!skb_unref(skb))
return;
#if IS_ENABLED(CONFIG_MPTCP)
[SKB_EXT_MPTCP] = SKB_EXT_CHUNKSIZEOF(struct mptcp_ext),
#endif
+#if IS_ENABLED(CONFIG_KCOV)
+ [SKB_EXT_KCOV_HANDLE] = SKB_EXT_CHUNKSIZEOF(u64),
+#endif
};
static __always_inline unsigned int skb_ext_total_length(void)
#endif
#if IS_ENABLED(CONFIG_MPTCP)
skb_ext_type_len[SKB_EXT_MPTCP] +
+#endif
+#if IS_ENABLED(CONFIG_KCOV)
+ skb_ext_type_len[SKB_EXT_KCOV_HANDLE] +
#endif
0;
}
if (skb && (skb_next = skb_peek(q))) {
icmp_next = is_icmp_err_skb(skb_next);
if (icmp_next)
- sk->sk_err = SKB_EXT_ERR(skb_next)->ee.ee_origin;
+ sk->sk_err = SKB_EXT_ERR(skb_next)->ee.ee_errno;
}
spin_unlock_irqrestore(&q->lock, flags);
goto err_free;
skb_reset_network_header(skb);
- skb_reset_transport_header(skb);
+ if (!skb_transport_header_was_set(skb))
+ skb_reset_transport_header(skb);
skb_reset_mac_len(skb);
return skb;
skb = tcp_make_synack(sk, dst, req, foc, synack_type, syn_skb);
- tos = sock_net(sk)->ipv4.sysctl_tcp_reflect_tos ?
- tcp_rsk(req)->syn_tos : inet_sk(sk)->tos;
-
if (skb) {
__tcp_v4_send_check(skb, ireq->ir_loc_addr, ireq->ir_rmt_addr);
+ tos = sock_net(sk)->ipv4.sysctl_tcp_reflect_tos ?
+ tcp_rsk(req)->syn_tos & ~INET_ECN_MASK :
+ inet_sk(sk)->tos;
+
+ if (!INET_ECN_is_capable(tos) &&
+ tcp_bpf_ca_needs_ecn((struct sock *)req))
+ tos |= INET_ECN_ECT_0;
+
rcu_read_lock();
err = ip_build_and_send_pkt(skb, sk, ireq->ir_loc_addr,
ireq->ir_rmt_addr,
rcu_dereference(ireq->ireq_opt),
- tos & ~INET_ECN_MASK);
+ tos);
rcu_read_unlock();
err = net_xmit_eval(err);
}
bool *own_req)
{
struct inet_request_sock *ireq;
+ bool found_dup_sk = false;
struct inet_sock *newinet;
struct tcp_sock *newtp;
struct sock *newsk;
if (__inet_inherit_port(sk, newsk) < 0)
goto put_and_exit;
- *own_req = inet_ehash_nolisten(newsk, req_to_sk(req_unhash));
+ *own_req = inet_ehash_nolisten(newsk, req_to_sk(req_unhash),
+ &found_dup_sk);
if (likely(*own_req)) {
tcp_move_syn(newtp, req);
ireq->ireq_opt = NULL;
} else {
- newinet->inet_opt = NULL;
+ if (!req_unhash && found_dup_sk) {
+ /* This code path should only be executed in the
+ * syncookie case only
+ */
+ bh_unlock_sock(newsk);
+ sock_put(newsk);
+ newsk = NULL;
+ } else {
+ newinet->inet_opt = NULL;
+ }
}
return newsk;
}
#endif /* CONFIG_PROC_FS */
+/* @wake is one when sk_stream_write_space() calls us.
+ * This sends EPOLLOUT only if notsent_bytes is half the limit.
+ * This mimics the strategy used in sock_def_write_space().
+ */
+bool tcp_stream_memory_free(const struct sock *sk, int wake)
+{
+ const struct tcp_sock *tp = tcp_sk(sk);
+ u32 notsent_bytes = READ_ONCE(tp->write_seq) -
+ READ_ONCE(tp->snd_nxt);
+
+ return (notsent_bytes << wake) < tcp_notsent_lowat(tp);
+}
+EXPORT_SYMBOL(tcp_stream_memory_free);
+
struct proto tcp_prot = {
.name = "TCP",
.owner = THIS_MODULE,
fallback = true;
} else if (subflow_req->mp_join) {
mptcp_get_options(skb, &mp_opt);
- if (!mp_opt.mp_join ||
- !mptcp_can_accept_new_subflow(subflow_req->msk) ||
- !subflow_hmac_valid(req, &mp_opt)) {
+ if (!mp_opt.mp_join || !subflow_hmac_valid(req, &mp_opt) ||
+ !mptcp_can_accept_new_subflow(subflow_req->msk)) {
SUBFLOW_REQ_INC_STATS(req, MPTCP_MIB_JOINACKMAC);
fallback = true;
}
*/
inet_sk_state_store((void *)new_msk, TCP_ESTABLISHED);
+ /* link the newly created socket to the msk */
+ mptcp_add_pending_subflow(mptcp_sk(new_msk), ctx);
+ WRITE_ONCE(mptcp_sk(new_msk)->first, child);
+
/* new mpc subflow takes ownership of the newly
* created mptcp socket
*/
sk_eat_skb(ssk, skb);
if (mptcp_subflow_get_map_offset(subflow) >= subflow->map_data_len)
subflow->map_valid = 0;
- if (incr)
- tcp_cleanup_rbuf(ssk, incr);
}
static bool subflow_check_data_avail(struct sock *ssk)
const struct mptcp_subflow_context *subflow = mptcp_subflow_ctx(ssk);
const struct sock *sk = subflow->conn;
- *space = tcp_space(sk);
+ *space = __mptcp_space(sk);
*full_space = tcp_full_space(sk);
}
static void subflow_write_space(struct sock *sk)
{
struct mptcp_subflow_context *subflow = mptcp_subflow_ctx(sk);
+ struct socket *sock = READ_ONCE(sk->sk_socket);
struct sock *parent = subflow->conn;
if (!sk_stream_is_writeable(sk))
return;
- if (sk_stream_is_writeable(parent)) {
- set_bit(MPTCP_SEND_SPACE, &mptcp_sk(parent)->flags);
- smp_mb__after_atomic();
- /* set SEND_SPACE before sk_stream_write_space clears NOSPACE */
- sk_stream_write_space(parent);
- }
+ if (sock && sk_stream_is_writeable(parent))
+ clear_bit(SOCK_NOSPACE, &sock->flags);
+
+ sk_stream_write_space(parent);
}
static struct inet_connection_sock_af_ops *
if (err && err != -EINPROGRESS)
goto failed;
- spin_lock_bh(&msk->join_list_lock);
- list_add_tail(&subflow->node, &msk->join_list);
- spin_unlock_bh(&msk->join_list_lock);
-
+ mptcp_add_pending_subflow(msk, subflow);
return err;
failed:
+ subflow->disposable = 1;
sock_release(sf);
return err;
}
mptcp_data_ready(parent, sk);
if (__mptcp_check_fallback(mptcp_sk(parent)) &&
- !(parent->sk_shutdown & RCV_SHUTDOWN) &&
!subflow->rx_eof && subflow_is_done(sk)) {
subflow->rx_eof = 1;
mptcp_subflow_eof(parent);
return err;
}
-static void subflow_ulp_release(struct sock *sk)
+static void subflow_ulp_release(struct sock *ssk)
{
- struct mptcp_subflow_context *ctx = mptcp_subflow_ctx(sk);
+ struct mptcp_subflow_context *ctx = mptcp_subflow_ctx(ssk);
+ bool release = true;
+ struct sock *sk;
if (!ctx)
return;
- if (ctx->conn)
- sock_put(ctx->conn);
+ sk = ctx->conn;
+ if (sk) {
+ /* if the msk has been orphaned, keep the ctx
+ * alive, will be freed by mptcp_done()
+ */
+ release = ctx->disposable;
+ sock_put(sk);
+ }
- kfree_rcu(ctx, rcu);
+ if (release)
+ kfree_rcu(ctx, rcu);
}
static void subflow_ulp_clone(const struct request_sock *req,
*/
+#include <linux/ethtool.h>
#include <linux/types.h>
#include <linux/mm.h>
#include <linux/capability.h>
/*
Assumptions:
- - If the device has no dev->header_ops, there is no LL header visible
- above the device. In this case, its hard_header_len should be 0.
+ - If the device has no dev->header_ops->create, there is no LL header
+ visible above the device. In this case, its hard_header_len should be 0.
The device may prepend its own header internally. In this case, its
needed_headroom should be set to the space needed for it to add its
internal header.
On receive:
-----------
- Incoming, dev->header_ops != NULL
+ Incoming, dev_has_header(dev) == true
mac_header -> ll header
data -> data
- Outgoing, dev->header_ops != NULL
+ Outgoing, dev_has_header(dev) == true
mac_header -> ll header
data -> ll header
- Incoming, dev->header_ops == NULL
+ Incoming, dev_has_header(dev) == false
mac_header -> data
However drivers often make it point to the ll header.
This is incorrect because the ll header should be invisible to us.
data -> data
- Outgoing, dev->header_ops == NULL
+ Outgoing, dev_has_header(dev) == false
mac_header -> data. ll header is invisible to us.
data -> data
Resume
- If dev->header_ops == NULL we are unable to restore the ll header,
+ If dev_has_header(dev) == false we are unable to restore the ll header,
because it is invisible to us.
return false;
}
-static int fanout_add(struct sock *sk, u16 id, u16 type_flags)
+static int fanout_add(struct sock *sk, struct fanout_args *args)
{
struct packet_rollover *rollover = NULL;
struct packet_sock *po = pkt_sk(sk);
+ u16 type_flags = args->type_flags;
struct packet_fanout *f, *match;
u8 type = type_flags & 0xff;
u8 flags = type_flags >> 8;
+ u16 id = args->id;
int err;
switch (type) {
}
}
err = -EINVAL;
- if (match && match->flags != flags)
- goto out;
- if (!match) {
+ if (match) {
+ if (match->flags != flags)
+ goto out;
+ if (args->max_num_members &&
+ args->max_num_members != match->max_num_members)
+ goto out;
+ } else {
+ if (args->max_num_members > PACKET_FANOUT_MAX)
+ goto out;
+ if (!args->max_num_members)
+ /* legacy PACKET_FANOUT_MAX */
+ args->max_num_members = 256;
err = -ENOMEM;
- match = kzalloc(sizeof(*match), GFP_KERNEL);
+ match = kvzalloc(struct_size(match, arr, args->max_num_members),
+ GFP_KERNEL);
if (!match)
goto out;
write_pnet(&match->net, sock_net(sk));
match->prot_hook.func = packet_rcv_fanout;
match->prot_hook.af_packet_priv = match;
match->prot_hook.id_match = match_fanout_group;
+ match->max_num_members = args->max_num_members;
list_add(&match->list, &fanout_list);
}
err = -EINVAL;
match->prot_hook.type == po->prot_hook.type &&
match->prot_hook.dev == po->prot_hook.dev) {
err = -ENOSPC;
- if (refcount_read(&match->sk_ref) < PACKET_FANOUT_MAX) {
+ if (refcount_read(&match->sk_ref) < match->max_num_members) {
__dev_remove_pack(&po->prot_hook);
po->fanout = match;
po->rollover = rollover;
if (err && !refcount_read(&match->sk_ref)) {
list_del(&match->list);
- kfree(match);
+ kvfree(match);
}
out:
skb->dev = dev;
- if (dev->header_ops) {
+ if (dev_has_header(dev)) {
/* The device has an explicit notion of ll header,
* exported to higher levels.
*
if (!net_eq(dev_net(dev), sock_net(sk)))
goto drop;
- if (dev->header_ops) {
+ if (dev_has_header(dev)) {
if (sk->sk_type != SOCK_DGRAM)
skb_push(skb, skb->data - skb_mac_header(skb));
else if (skb->pkt_type == PACKET_OUTGOING) {
kfree(po->rollover);
if (f) {
fanout_release_data(f);
- kfree(f);
+ kvfree(f);
}
/*
* Now the socket is dead. No more input will appear.
}
case PACKET_FANOUT:
{
- int val;
+ struct fanout_args args = { 0 };
- if (optlen != sizeof(val))
+ if (optlen != sizeof(int) && optlen != sizeof(args))
return -EINVAL;
- if (copy_from_sockptr(&val, optval, sizeof(val)))
+ if (copy_from_sockptr(&args, optval, optlen))
return -EFAULT;
- return fanout_add(sk, val & 0xffff, val >> 16);
+ return fanout_add(sk, &args);
}
case PACKET_FANOUT_DATA:
{
/* fill prepend */
tls_fill_prepend(ctx, skb_frag_address(&record->frags[0]),
record->len - prot->overhead_size,
- record_type, prot->version);
+ record_type);
return ret;
}
if (tls_ctx->tx_conf != TLS_HW) {
dev_put(netdev);
tls_ctx->netdev = NULL;
+ } else {
+ set_bit(TLS_RX_DEV_CLOSED, &tls_ctx->flags);
}
out:
up_read(&device_offload_lock);
if (ctx->tx_conf == TLS_HW)
netdev->tlsdev_ops->tls_dev_del(netdev, ctx,
TLS_OFFLOAD_CTX_DIR_TX);
- if (ctx->rx_conf == TLS_HW)
+ if (ctx->rx_conf == TLS_HW &&
+ !test_bit(TLS_RX_DEV_CLOSED, &ctx->flags))
netdev->tlsdev_ops->tls_dev_del(netdev, ctx,
TLS_OFFLOAD_CTX_DIR_RX);
WRITE_ONCE(ctx->netdev, NULL);
memcpy(&rec->iv_data[iv_offset], tls_ctx->tx.iv,
prot->iv_size + prot->salt_size);
- xor_iv_with_seq(prot->version, rec->iv_data, tls_ctx->tx.rec_seq);
+ xor_iv_with_seq(prot, rec->iv_data, tls_ctx->tx.rec_seq);
sge->offset += prot->prepend_size;
sge->length -= prot->prepend_size;
sg_chain(rec->sg_aead_out, 2, &msg_en->sg.data[i]);
tls_make_aad(rec->aad_space, msg_pl->sg.size + prot->tail_size,
- tls_ctx->tx.rec_seq, prot->rec_seq_size,
- record_type, prot->version);
+ tls_ctx->tx.rec_seq, record_type, prot);
tls_fill_prepend(tls_ctx,
page_address(sg_page(&msg_en->sg.data[i])) +
msg_en->sg.data[i].offset,
msg_pl->sg.size + prot->tail_size,
- record_type, prot->version);
+ record_type);
tls_ctx->pending_open_record_frags = false;
return NULL;
}
+ if (!skb_queue_empty(&sk->sk_receive_queue)) {
+ __strp_unpause(&ctx->strp);
+ if (ctx->recv_pkt)
+ return ctx->recv_pkt;
+ }
+
if (sk->sk_shutdown & RCV_SHUTDOWN)
return NULL;
kfree(mem);
return err;
}
- if (prot->version == TLS_1_3_VERSION)
+ if (prot->version == TLS_1_3_VERSION ||
+ prot->cipher_type == TLS_CIPHER_CHACHA20_POLY1305)
memcpy(iv + iv_offset, tls_ctx->rx.iv,
crypto_aead_ivsize(ctx->aead_recv));
else
memcpy(iv + iv_offset, tls_ctx->rx.iv, prot->salt_size);
- xor_iv_with_seq(prot->version, iv, tls_ctx->rx.rec_seq);
+ xor_iv_with_seq(prot, iv, tls_ctx->rx.rec_seq);
/* Prepare AAD */
tls_make_aad(aad, rxm->full_len - prot->overhead_size +
prot->tail_size,
- tls_ctx->rx.rec_seq, prot->rec_seq_size,
- ctx->control, prot->version);
+ tls_ctx->rx.rec_seq, ctx->control, prot);
/* Prepare sgin */
sg_init_table(sgin, n_sgin);
data_len = ((header[4] & 0xFF) | (header[3] << 8));
cipher_overhead = prot->tag_size;
- if (prot->version != TLS_1_3_VERSION)
+ if (prot->version != TLS_1_3_VERSION &&
+ prot->cipher_type != TLS_CIPHER_CHACHA20_POLY1305)
cipher_overhead += prot->iv_size;
if (data_len > TLS_MAX_PAYLOAD_SIZE + cipher_overhead +
struct tls12_crypto_info_aes_gcm_128 *gcm_128_info;
struct tls12_crypto_info_aes_gcm_256 *gcm_256_info;
struct tls12_crypto_info_aes_ccm_128 *ccm_128_info;
+ struct tls12_crypto_info_chacha20_poly1305 *chacha20_poly1305_info;
struct tls_sw_context_tx *sw_ctx_tx = NULL;
struct tls_sw_context_rx *sw_ctx_rx = NULL;
struct cipher_context *cctx;
cipher_name = "ccm(aes)";
break;
}
+ case TLS_CIPHER_CHACHA20_POLY1305: {
+ chacha20_poly1305_info = (void *)crypto_info;
+ nonce_size = 0;
+ tag_size = TLS_CIPHER_CHACHA20_POLY1305_TAG_SIZE;
+ iv_size = TLS_CIPHER_CHACHA20_POLY1305_IV_SIZE;
+ iv = chacha20_poly1305_info->iv;
+ rec_seq_size = TLS_CIPHER_CHACHA20_POLY1305_REC_SEQ_SIZE;
+ rec_seq = chacha20_poly1305_info->rec_seq;
+ keysize = TLS_CIPHER_CHACHA20_POLY1305_KEY_SIZE;
+ key = chacha20_poly1305_info->key;
+ salt = chacha20_poly1305_info->salt;
+ salt_size = TLS_CIPHER_CHACHA20_POLY1305_SALT_SIZE;
+ cipher_name = "rfc7539(chacha20,poly1305)";
+ break;
+ }
default:
rc = -EINVAL;
goto free_priv;
projects / linux.git / commitdiff