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-rw-r--r--drivers/net/ethernet/broadcom/tg3.c263
-rw-r--r--drivers/net/ethernet/broadcom/tg3.h6
-rw-r--r--drivers/net/ethernet/cadence/macb.c20
-rw-r--r--drivers/net/ethernet/cadence/macb.h6
-rw-r--r--drivers/net/phy/davicom.c6
-rw-r--r--drivers/net/vmxnet3/vmxnet3_drv.c34
-rw-r--r--drivers/net/vxlan.c2
-rw-r--r--include/linux/if_tunnel.h17
-rw-r--r--include/linux/pci.h14
-rw-r--r--include/net/ipip.h40
-rw-r--r--include/uapi/linux/if_link.h17
-rw-r--r--include/uapi/linux/if_tunnel.h2
-rw-r--r--net/bridge/br_netlink.c172
-rw-r--r--net/bridge/br_private.h2
-rw-r--r--net/bridge/br_stp.c22
-rw-r--r--net/bridge/br_stp_bpdu.c7
-rw-r--r--net/bridge/br_sysfs_if.c42
-rw-r--r--net/ipv4/ip_gre.c28
-rw-r--r--net/ipv4/ip_vti.c22
-rw-r--r--net/ipv4/ipip.c202
-rw-r--r--net/ipv6/ip6_gre.c23
-rw-r--r--net/ipv6/ip6_tunnel.c185
-rw-r--r--net/ipv6/route.c6
-rw-r--r--net/ipv6/sit.c226
24 files changed, 971 insertions, 393 deletions
diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c
index 038ce0215e3e..5cc976d01189 100644
--- a/drivers/net/ethernet/broadcom/tg3.c
+++ b/drivers/net/ethernet/broadcom/tg3.c
@@ -90,10 +90,10 @@ static inline void _tg3_flag_clear(enum TG3_FLAGS flag, unsigned long *bits)
#define DRV_MODULE_NAME "tg3"
#define TG3_MAJ_NUM 3
-#define TG3_MIN_NUM 126
+#define TG3_MIN_NUM 127
#define DRV_MODULE_VERSION \
__stringify(TG3_MAJ_NUM) "." __stringify(TG3_MIN_NUM)
-#define DRV_MODULE_RELDATE "November 05, 2012"
+#define DRV_MODULE_RELDATE "November 14, 2012"
#define RESET_KIND_SHUTDOWN 0
#define RESET_KIND_INIT 1
@@ -226,6 +226,9 @@ static int tg3_debug = -1; /* -1 == use TG3_DEF_MSG_ENABLE as value */
module_param(tg3_debug, int, 0);
MODULE_PARM_DESC(tg3_debug, "Tigon3 bitmapped debugging message enable value");
+#define TG3_DRV_DATA_FLAG_10_100_ONLY 0x0001
+#define TG3_DRV_DATA_FLAG_5705_10_100 0x0002
+
static DEFINE_PCI_DEVICE_TABLE(tg3_pci_tbl) = {
{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5700)},
{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5701)},
@@ -245,20 +248,28 @@ static DEFINE_PCI_DEVICE_TABLE(tg3_pci_tbl) = {
{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5782)},
{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5788)},
{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5789)},
- {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5901)},
- {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5901_2)},
+ {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5901),
+ .driver_data = TG3_DRV_DATA_FLAG_10_100_ONLY |
+ TG3_DRV_DATA_FLAG_5705_10_100},
+ {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5901_2),
+ .driver_data = TG3_DRV_DATA_FLAG_10_100_ONLY |
+ TG3_DRV_DATA_FLAG_5705_10_100},
{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5704S_2)},
- {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705F)},
+ {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705F),
+ .driver_data = TG3_DRV_DATA_FLAG_10_100_ONLY |
+ TG3_DRV_DATA_FLAG_5705_10_100},
{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5721)},
{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5722)},
{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5751)},
{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5751M)},
- {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5751F)},
+ {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5751F),
+ .driver_data = TG3_DRV_DATA_FLAG_10_100_ONLY},
{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5752)},
{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5752M)},
{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753)},
{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753M)},
- {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753F)},
+ {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753F),
+ .driver_data = TG3_DRV_DATA_FLAG_10_100_ONLY},
{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5754)},
{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5754M)},
{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5755)},
@@ -266,8 +277,13 @@ static DEFINE_PCI_DEVICE_TABLE(tg3_pci_tbl) = {
{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5756)},
{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5786)},
{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5787)},
+ {PCI_DEVICE_SUB(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_5787M,
+ PCI_VENDOR_ID_LENOVO,
+ TG3PCI_SUBDEVICE_ID_LENOVO_5787M),
+ .driver_data = TG3_DRV_DATA_FLAG_10_100_ONLY},
{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5787M)},
- {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5787F)},
+ {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5787F),
+ .driver_data = TG3_DRV_DATA_FLAG_10_100_ONLY},
{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5714)},
{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5714S)},
{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5715)},
@@ -286,9 +302,16 @@ static DEFINE_PCI_DEVICE_TABLE(tg3_pci_tbl) = {
{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_5761SE)},
{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_5785_G)},
{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_5785_F)},
+ {PCI_DEVICE_SUB(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57780,
+ PCI_VENDOR_ID_AI, TG3PCI_SUBDEVICE_ID_ACER_57780_A),
+ .driver_data = TG3_DRV_DATA_FLAG_10_100_ONLY},
+ {PCI_DEVICE_SUB(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57780,
+ PCI_VENDOR_ID_AI, TG3PCI_SUBDEVICE_ID_ACER_57780_B),
+ .driver_data = TG3_DRV_DATA_FLAG_10_100_ONLY},
{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57780)},
{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57760)},
- {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57790)},
+ {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57790),
+ .driver_data = TG3_DRV_DATA_FLAG_10_100_ONLY},
{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57788)},
{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_5717)},
{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_5717_C)},
@@ -297,8 +320,10 @@ static DEFINE_PCI_DEVICE_TABLE(tg3_pci_tbl) = {
{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57785)},
{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57761)},
{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57765)},
- {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57791)},
- {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57795)},
+ {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57791),
+ .driver_data = TG3_DRV_DATA_FLAG_10_100_ONLY},
+ {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57795),
+ .driver_data = TG3_DRV_DATA_FLAG_10_100_ONLY},
{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_5719)},
{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_5720)},
{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57762)},
@@ -399,19 +424,27 @@ static const struct {
};
#define TG3_NUM_STATS ARRAY_SIZE(ethtool_stats_keys)
+#define TG3_NVRAM_TEST 0
+#define TG3_LINK_TEST 1
+#define TG3_REGISTER_TEST 2
+#define TG3_MEMORY_TEST 3
+#define TG3_MAC_LOOPB_TEST 4
+#define TG3_PHY_LOOPB_TEST 5
+#define TG3_EXT_LOOPB_TEST 6
+#define TG3_INTERRUPT_TEST 7
static const struct {
const char string[ETH_GSTRING_LEN];
} ethtool_test_keys[] = {
- { "nvram test (online) " },
- { "link test (online) " },
- { "register test (offline)" },
- { "memory test (offline)" },
- { "mac loopback test (offline)" },
- { "phy loopback test (offline)" },
- { "ext loopback test (offline)" },
- { "interrupt test (offline)" },
+ [TG3_NVRAM_TEST] = { "nvram test (online) " },
+ [TG3_LINK_TEST] = { "link test (online) " },
+ [TG3_REGISTER_TEST] = { "register test (offline)" },
+ [TG3_MEMORY_TEST] = { "memory test (offline)" },
+ [TG3_MAC_LOOPB_TEST] = { "mac loopback test (offline)" },
+ [TG3_PHY_LOOPB_TEST] = { "phy loopback test (offline)" },
+ [TG3_EXT_LOOPB_TEST] = { "ext loopback test (offline)" },
+ [TG3_INTERRUPT_TEST] = { "interrupt test (offline)" },
};
#define TG3_NUM_TEST ARRAY_SIZE(ethtool_test_keys)
@@ -2448,6 +2481,18 @@ static int tg3_phy_reset_5703_4_5(struct tg3 *tp)
return err;
}
+static void tg3_carrier_on(struct tg3 *tp)
+{
+ netif_carrier_on(tp->dev);
+ tp->link_up = true;
+}
+
+static void tg3_carrier_off(struct tg3 *tp)
+{
+ netif_carrier_off(tp->dev);
+ tp->link_up = false;
+}
+
/* This will reset the tigon3 PHY if there is no valid
* link unless the FORCE argument is non-zero.
*/
@@ -2466,8 +2511,8 @@ static int tg3_phy_reset(struct tg3 *tp)
if (err != 0)
return -EBUSY;
- if (netif_running(tp->dev) && netif_carrier_ok(tp->dev)) {
- netif_carrier_off(tp->dev);
+ if (netif_running(tp->dev) && tp->link_up) {
+ tg3_carrier_off(tp);
tg3_link_report(tp);
}
@@ -4161,6 +4206,24 @@ static bool tg3_phy_copper_fetch_rmtadv(struct tg3 *tp, u32 *rmtadv)
return true;
}
+static bool tg3_test_and_report_link_chg(struct tg3 *tp, int curr_link_up)
+{
+ if (curr_link_up != tp->link_up) {
+ if (curr_link_up) {
+ tg3_carrier_on(tp);
+ } else {
+ tg3_carrier_off(tp);
+ if (tp->phy_flags & TG3_PHYFLG_MII_SERDES)
+ tp->phy_flags &= ~TG3_PHYFLG_PARALLEL_DETECT;
+ }
+
+ tg3_link_report(tp);
+ return true;
+ }
+
+ return false;
+}
+
static int tg3_setup_copper_phy(struct tg3 *tp, int force_reset)
{
int current_link_up;
@@ -4193,7 +4256,7 @@ static int tg3_setup_copper_phy(struct tg3 *tp, int force_reset)
if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 ||
GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) &&
- netif_carrier_ok(tp->dev)) {
+ tp->link_up) {
tg3_readphy(tp, MII_BMSR, &bmsr);
if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
!(bmsr & BMSR_LSTATUS))
@@ -4435,13 +4498,7 @@ relink:
PCI_EXP_LNKCTL_CLKREQ_EN);
}
- if (current_link_up != netif_carrier_ok(tp->dev)) {
- if (current_link_up)
- netif_carrier_on(tp->dev);
- else
- netif_carrier_off(tp->dev);
- tg3_link_report(tp);
- }
+ tg3_test_and_report_link_chg(tp, current_link_up);
return 0;
}
@@ -5081,7 +5138,7 @@ static int tg3_setup_fiber_phy(struct tg3 *tp, int force_reset)
orig_active_duplex = tp->link_config.active_duplex;
if (!tg3_flag(tp, HW_AUTONEG) &&
- netif_carrier_ok(tp->dev) &&
+ tp->link_up &&
tg3_flag(tp, INIT_COMPLETE)) {
mac_status = tr32(MAC_STATUS);
mac_status &= (MAC_STATUS_PCS_SYNCED |
@@ -5159,13 +5216,7 @@ static int tg3_setup_fiber_phy(struct tg3 *tp, int force_reset)
LED_CTRL_TRAFFIC_OVERRIDE));
}
- if (current_link_up != netif_carrier_ok(tp->dev)) {
- if (current_link_up)
- netif_carrier_on(tp->dev);
- else
- netif_carrier_off(tp->dev);
- tg3_link_report(tp);
- } else {
+ if (!tg3_test_and_report_link_chg(tp, current_link_up)) {
u32 now_pause_cfg = tp->link_config.active_flowctrl;
if (orig_pause_cfg != now_pause_cfg ||
orig_active_speed != tp->link_config.active_speed ||
@@ -5258,7 +5309,7 @@ static int tg3_setup_fiber_mii_phy(struct tg3 *tp, int force_reset)
new_bmcr |= BMCR_SPEED1000;
/* Force a linkdown */
- if (netif_carrier_ok(tp->dev)) {
+ if (tp->link_up) {
u32 adv;
err |= tg3_readphy(tp, MII_ADVERTISE, &adv);
@@ -5270,7 +5321,7 @@ static int tg3_setup_fiber_mii_phy(struct tg3 *tp, int force_reset)
BMCR_ANRESTART |
BMCR_ANENABLE);
udelay(10);
- netif_carrier_off(tp->dev);
+ tg3_carrier_off(tp);
}
tg3_writephy(tp, MII_BMCR, new_bmcr);
bmcr = new_bmcr;
@@ -5336,15 +5387,7 @@ static int tg3_setup_fiber_mii_phy(struct tg3 *tp, int force_reset)
tp->link_config.active_speed = current_speed;
tp->link_config.active_duplex = current_duplex;
- if (current_link_up != netif_carrier_ok(tp->dev)) {
- if (current_link_up)
- netif_carrier_on(tp->dev);
- else {
- netif_carrier_off(tp->dev);
- tp->phy_flags &= ~TG3_PHYFLG_PARALLEL_DETECT;
- }
- tg3_link_report(tp);
- }
+ tg3_test_and_report_link_chg(tp, current_link_up);
return err;
}
@@ -5356,7 +5399,7 @@ static void tg3_serdes_parallel_detect(struct tg3 *tp)
return;
}
- if (!netif_carrier_ok(tp->dev) &&
+ if (!tp->link_up &&
(tp->link_config.autoneg == AUTONEG_ENABLE)) {
u32 bmcr;
@@ -5386,7 +5429,7 @@ static void tg3_serdes_parallel_detect(struct tg3 *tp)
tp->phy_flags |= TG3_PHYFLG_PARALLEL_DETECT;
}
}
- } else if (netif_carrier_ok(tp->dev) &&
+ } else if (tp->link_up &&
(tp->link_config.autoneg == AUTONEG_ENABLE) &&
(tp->phy_flags & TG3_PHYFLG_PARALLEL_DETECT)) {
u32 phy2;
@@ -5452,7 +5495,7 @@ static int tg3_setup_phy(struct tg3 *tp, int force_reset)
(32 << TX_LENGTHS_SLOT_TIME_SHIFT));
if (!tg3_flag(tp, 5705_PLUS)) {
- if (netif_carrier_ok(tp->dev)) {
+ if (tp->link_up) {
tw32(HOSTCC_STAT_COAL_TICKS,
tp->coal.stats_block_coalesce_usecs);
} else {
@@ -5462,7 +5505,7 @@ static int tg3_setup_phy(struct tg3 *tp, int force_reset)
if (tg3_flag(tp, ASPM_WORKAROUND)) {
val = tr32(PCIE_PWR_MGMT_THRESH);
- if (!netif_carrier_ok(tp->dev))
+ if (!tp->link_up)
val = (val & ~PCIE_PWR_MGMT_L1_THRESH_MSK) |
tp->pwrmgmt_thresh;
else
@@ -6478,6 +6521,7 @@ static inline void tg3_netif_stop(struct tg3 *tp)
{
tp->dev->trans_start = jiffies; /* prevent tx timeout */
tg3_napi_disable(tp);
+ netif_carrier_off(tp->dev);
netif_tx_disable(tp->dev);
}
@@ -6489,6 +6533,9 @@ static inline void tg3_netif_start(struct tg3 *tp)
*/
netif_tx_wake_all_queues(tp->dev);
+ if (tp->link_up)
+ netif_carrier_on(tp->dev);
+
tg3_napi_enable(tp);
tp->napi[0].hw_status->status |= SD_STATUS_UPDATED;
tg3_enable_ints(tp);
@@ -8387,7 +8434,7 @@ static void __tg3_set_coalesce(struct tg3 *tp, struct ethtool_coalesce *ec)
tw32(HOSTCC_RXCOAL_TICK_INT, ec->rx_coalesce_usecs_irq);
tw32(HOSTCC_TXCOAL_TICK_INT, ec->tx_coalesce_usecs_irq);
- if (!netif_carrier_ok(tp->dev))
+ if (!tp->link_up)
val = 0;
tw32(HOSTCC_STAT_COAL_TICKS, val);
@@ -8663,14 +8710,14 @@ static void tg3_rss_check_indir_tbl(struct tg3 *tp)
if (!tg3_flag(tp, SUPPORT_MSIX))
return;
- if (tp->irq_cnt <= 2) {
+ if (tp->rxq_cnt == 1) {
memset(&tp->rss_ind_tbl[0], 0, sizeof(tp->rss_ind_tbl));
return;
}
/* Validate table against current IRQ count */
for (i = 0; i < TG3_RSS_INDIR_TBL_SIZE; i++) {
- if (tp->rss_ind_tbl[i] >= tp->irq_cnt - 1)
+ if (tp->rss_ind_tbl[i] >= tp->rxq_cnt)
break;
}
@@ -9680,7 +9727,7 @@ static void tg3_periodic_fetch_stats(struct tg3 *tp)
{
struct tg3_hw_stats *sp = tp->hw_stats;
- if (!netif_carrier_ok(tp->dev))
+ if (!tp->link_up)
return;
TG3_STAT_ADD32(&sp->tx_octets, MAC_TX_STATS_OCTETS);
@@ -9824,11 +9871,11 @@ static void tg3_timer(unsigned long __opaque)
u32 mac_stat = tr32(MAC_STATUS);
int need_setup = 0;
- if (netif_carrier_ok(tp->dev) &&
+ if (tp->link_up &&
(mac_stat & MAC_STATUS_LNKSTATE_CHANGED)) {
need_setup = 1;
}
- if (!netif_carrier_ok(tp->dev) &&
+ if (!tp->link_up &&
(mac_stat & (MAC_STATUS_PCS_SYNCED |
MAC_STATUS_SIGNAL_DET))) {
need_setup = 1;
@@ -10480,7 +10527,7 @@ static int tg3_open(struct net_device *dev)
}
}
- netif_carrier_off(tp->dev);
+ tg3_carrier_off(tp);
err = tg3_power_up(tp);
if (err)
@@ -10513,7 +10560,7 @@ static int tg3_close(struct net_device *dev)
tg3_power_down(tp);
- netif_carrier_off(tp->dev);
+ tg3_carrier_off(tp);
return 0;
}
@@ -10887,7 +10934,7 @@ static int tg3_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
cmd->advertising |= ADVERTISED_Asym_Pause;
}
}
- if (netif_running(dev) && netif_carrier_ok(dev)) {
+ if (netif_running(dev) && tp->link_up) {
ethtool_cmd_speed_set(cmd, tp->link_config.active_speed);
cmd->duplex = tp->link_config.active_duplex;
cmd->lp_advertising = tp->link_config.rmt_adv;
@@ -11405,7 +11452,7 @@ static int tg3_set_channels(struct net_device *dev,
tg3_stop(tp);
- netif_carrier_off(dev);
+ tg3_carrier_off(tp);
tg3_start(tp, true, false);
@@ -11754,7 +11801,7 @@ static int tg3_test_link(struct tg3 *tp)
max = TG3_COPPER_TIMEOUT_SEC;
for (i = 0; i < max; i++) {
- if (netif_carrier_ok(tp->dev))
+ if (tp->link_up)
return 0;
if (msleep_interruptible(1000))
@@ -12325,19 +12372,19 @@ static int tg3_test_loopback(struct tg3 *tp, u64 *data, bool do_extlpbk)
tp->phy_flags &= ~TG3_PHYFLG_EEE_CAP;
if (!netif_running(tp->dev)) {
- data[0] = TG3_LOOPBACK_FAILED;
- data[1] = TG3_LOOPBACK_FAILED;
+ data[TG3_MAC_LOOPB_TEST] = TG3_LOOPBACK_FAILED;
+ data[TG3_PHY_LOOPB_TEST] = TG3_LOOPBACK_FAILED;
if (do_extlpbk)
- data[2] = TG3_LOOPBACK_FAILED;
+ data[TG3_EXT_LOOPB_TEST] = TG3_LOOPBACK_FAILED;
goto done;
}
err = tg3_reset_hw(tp, 1);
if (err) {
- data[0] = TG3_LOOPBACK_FAILED;
- data[1] = TG3_LOOPBACK_FAILED;
+ data[TG3_MAC_LOOPB_TEST] = TG3_LOOPBACK_FAILED;
+ data[TG3_PHY_LOOPB_TEST] = TG3_LOOPBACK_FAILED;
if (do_extlpbk)
- data[2] = TG3_LOOPBACK_FAILED;
+ data[TG3_EXT_LOOPB_TEST] = TG3_LOOPBACK_FAILED;
goto done;
}
@@ -12360,11 +12407,11 @@ static int tg3_test_loopback(struct tg3 *tp, u64 *data, bool do_extlpbk)
tg3_mac_loopback(tp, true);
if (tg3_run_loopback(tp, ETH_FRAME_LEN, false))
- data[0] |= TG3_STD_LOOPBACK_FAILED;
+ data[TG3_MAC_LOOPB_TEST] |= TG3_STD_LOOPBACK_FAILED;
if (tg3_flag(tp, JUMBO_RING_ENABLE) &&
tg3_run_loopback(tp, jmb_pkt_sz + ETH_HLEN, false))
- data[0] |= TG3_JMB_LOOPBACK_FAILED;
+ data[TG3_MAC_LOOPB_TEST] |= TG3_JMB_LOOPBACK_FAILED;
tg3_mac_loopback(tp, false);
}
@@ -12383,13 +12430,13 @@ static int tg3_test_loopback(struct tg3 *tp, u64 *data, bool do_extlpbk)
}
if (tg3_run_loopback(tp, ETH_FRAME_LEN, false))
- data[1] |= TG3_STD_LOOPBACK_FAILED;
+ data[TG3_PHY_LOOPB_TEST] |= TG3_STD_LOOPBACK_FAILED;
if (tg3_flag(tp, TSO_CAPABLE) &&
tg3_run_loopback(tp, ETH_FRAME_LEN, true))
- data[1] |= TG3_TSO_LOOPBACK_FAILED;
+ data[TG3_PHY_LOOPB_TEST] |= TG3_TSO_LOOPBACK_FAILED;
if (tg3_flag(tp, JUMBO_RING_ENABLE) &&
tg3_run_loopback(tp, jmb_pkt_sz + ETH_HLEN, false))
- data[1] |= TG3_JMB_LOOPBACK_FAILED;
+ data[TG3_PHY_LOOPB_TEST] |= TG3_JMB_LOOPBACK_FAILED;
if (do_extlpbk) {
tg3_phy_lpbk_set(tp, 0, true);
@@ -12401,13 +12448,16 @@ static int tg3_test_loopback(struct tg3 *tp, u64 *data, bool do_extlpbk)
mdelay(40);
if (tg3_run_loopback(tp, ETH_FRAME_LEN, false))
- data[2] |= TG3_STD_LOOPBACK_FAILED;
+ data[TG3_EXT_LOOPB_TEST] |=
+ TG3_STD_LOOPBACK_FAILED;
if (tg3_flag(tp, TSO_CAPABLE) &&
tg3_run_loopback(tp, ETH_FRAME_LEN, true))
- data[2] |= TG3_TSO_LOOPBACK_FAILED;
+ data[TG3_EXT_LOOPB_TEST] |=
+ TG3_TSO_LOOPBACK_FAILED;
if (tg3_flag(tp, JUMBO_RING_ENABLE) &&
tg3_run_loopback(tp, jmb_pkt_sz + ETH_HLEN, false))
- data[2] |= TG3_JMB_LOOPBACK_FAILED;
+ data[TG3_EXT_LOOPB_TEST] |=
+ TG3_JMB_LOOPBACK_FAILED;
}
/* Re-enable gphy autopowerdown. */
@@ -12415,7 +12465,8 @@ static int tg3_test_loopback(struct tg3 *tp, u64 *data, bool do_extlpbk)
tg3_phy_toggle_apd(tp, true);
}
- err = (data[0] | data[1] | data[2]) ? -EIO : 0;
+ err = (data[TG3_MAC_LOOPB_TEST] | data[TG3_PHY_LOOPB_TEST] |
+ data[TG3_EXT_LOOPB_TEST]) ? -EIO : 0;
done:
tp->phy_flags |= eee_cap;
@@ -12440,11 +12491,11 @@ static void tg3_self_test(struct net_device *dev, struct ethtool_test *etest,
if (tg3_test_nvram(tp) != 0) {
etest->flags |= ETH_TEST_FL_FAILED;
- data[0] = 1;
+ data[TG3_NVRAM_TEST] = 1;
}
if (!doextlpbk && tg3_test_link(tp)) {
etest->flags |= ETH_TEST_FL_FAILED;
- data[1] = 1;
+ data[TG3_LINK_TEST] = 1;
}
if (etest->flags & ETH_TEST_FL_OFFLINE) {
int err, err2 = 0, irq_sync = 0;
@@ -12470,25 +12521,25 @@ static void tg3_self_test(struct net_device *dev, struct ethtool_test *etest,
if (tg3_test_registers(tp) != 0) {
etest->flags |= ETH_TEST_FL_FAILED;
- data[2] = 1;
+ data[TG3_REGISTER_TEST] = 1;
}
if (tg3_test_memory(tp) != 0) {
etest->flags |= ETH_TEST_FL_FAILED;
- data[3] = 1;
+ data[TG3_MEMORY_TEST] = 1;
}
if (doextlpbk)
etest->flags |= ETH_TEST_FL_EXTERNAL_LB_DONE;
- if (tg3_test_loopback(tp, &data[4], doextlpbk))
+ if (tg3_test_loopback(tp, data, doextlpbk))
etest->flags |= ETH_TEST_FL_FAILED;
tg3_full_unlock(tp);
if (tg3_test_interrupt(tp) != 0) {
etest->flags |= ETH_TEST_FL_FAILED;
- data[7] = 1;
+ data[TG3_INTERRUPT_TEST] = 1;
}
tg3_full_lock(tp, 0);
@@ -14466,7 +14517,30 @@ static void __devinit tg3_detect_asic_rev(struct tg3 *tp, u32 misc_ctrl_reg)
tg3_flag_set(tp, 5705_PLUS);
}
-static int __devinit tg3_get_invariants(struct tg3 *tp)
+static bool tg3_10_100_only_device(struct tg3 *tp,
+ const struct pci_device_id *ent)
+{
+ u32 grc_misc_cfg = tr32(GRC_MISC_CFG) & GRC_MISC_CFG_BOARD_ID_MASK;
+
+ if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 &&
+ (grc_misc_cfg == 0x8000 || grc_misc_cfg == 0x4000)) ||
+ (tp->phy_flags & TG3_PHYFLG_IS_FET))
+ return true;
+
+ if (ent->driver_data & TG3_DRV_DATA_FLAG_10_100_ONLY) {
+ if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
+ if (ent->driver_data & TG3_DRV_DATA_FLAG_5705_10_100)
+ return true;
+ } else {
+ return true;
+ }
+ }
+
+ return false;
+}
+
+static int __devinit tg3_get_invariants(struct tg3 *tp,
+ const struct pci_device_id *ent)
{
u32 misc_ctrl_reg;
u32 pci_state_reg, grc_misc_cfg;
@@ -15145,22 +15219,7 @@ static int __devinit tg3_get_invariants(struct tg3 *tp)
else
tp->mac_mode = 0;
- /* these are limited to 10/100 only */
- if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 &&
- (grc_misc_cfg == 0x8000 || grc_misc_cfg == 0x4000)) ||
- (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
- tp->pdev->vendor == PCI_VENDOR_ID_BROADCOM &&
- (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5901 ||
- tp->pdev->device == PCI_DEVICE_ID_TIGON3_5901_2 ||
- tp->pdev->device == PCI_DEVICE_ID_TIGON3_5705F)) ||
- (tp->pdev->vendor == PCI_VENDOR_ID_BROADCOM &&
- (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5751F ||
- tp->pdev->device == PCI_DEVICE_ID_TIGON3_5753F ||
- tp->pdev->device == PCI_DEVICE_ID_TIGON3_5787F)) ||
- tp->pdev->device == TG3PCI_DEVICE_TIGON3_57790 ||
- tp->pdev->device == TG3PCI_DEVICE_TIGON3_57791 ||
- tp->pdev->device == TG3PCI_DEVICE_TIGON3_57795 ||
- (tp->phy_flags & TG3_PHYFLG_IS_FET))
+ if (tg3_10_100_only_device(tp, ent))
tp->phy_flags |= TG3_PHYFLG_10_100_ONLY;
err = tg3_phy_probe(tp);
@@ -16039,7 +16098,7 @@ static int __devinit tg3_init_one(struct pci_dev *pdev,
dev->netdev_ops = &tg3_netdev_ops;
dev->irq = pdev->irq;
- err = tg3_get_invariants(tp);
+ err = tg3_get_invariants(tp, ent);
if (err) {
dev_err(&pdev->dev,
"Problem fetching invariants of chip, aborting\n");
diff --git a/drivers/net/ethernet/broadcom/tg3.h b/drivers/net/ethernet/broadcom/tg3.h
index b3c2bf2c082f..4534804469bf 100644
--- a/drivers/net/ethernet/broadcom/tg3.h
+++ b/drivers/net/ethernet/broadcom/tg3.h
@@ -44,6 +44,7 @@
#define TG3PCI_DEVICE_TIGON3_5761S 0x1688
#define TG3PCI_DEVICE_TIGON3_5761SE 0x1689
#define TG3PCI_DEVICE_TIGON3_57780 0x1692
+#define TG3PCI_DEVICE_TIGON3_5787M 0x1693
#define TG3PCI_DEVICE_TIGON3_57760 0x1690
#define TG3PCI_DEVICE_TIGON3_57790 0x1694
#define TG3PCI_DEVICE_TIGON3_57788 0x1691
@@ -96,6 +97,10 @@
#define TG3PCI_SUBDEVICE_ID_COMPAQ_NC7780_2 0x0099
#define TG3PCI_SUBVENDOR_ID_IBM PCI_VENDOR_ID_IBM
#define TG3PCI_SUBDEVICE_ID_IBM_5703SAX2 0x0281
+#define TG3PCI_SUBDEVICE_ID_ACER_57780_A 0x0601
+#define TG3PCI_SUBDEVICE_ID_ACER_57780_B 0x0612
+#define TG3PCI_SUBDEVICE_ID_LENOVO_5787M 0x3056
+
/* 0x30 --> 0x64 unused */
#define TG3PCI_MSI_DATA 0x00000064
/* 0x66 --> 0x68 unused */
@@ -3264,6 +3269,7 @@ struct tg3 {
#if IS_ENABLED(CONFIG_HWMON)
struct device *hwmon_dev;
#endif
+ bool link_up;
};
#endif /* !(_T3_H) */
diff --git a/drivers/net/ethernet/cadence/macb.c b/drivers/net/ethernet/cadence/macb.c
index 1fac769989ad..edb2aba9045c 100644
--- a/drivers/net/ethernet/cadence/macb.c
+++ b/drivers/net/ethernet/cadence/macb.c
@@ -16,6 +16,7 @@
#include <linux/types.h>
#include <linux/slab.h>
#include <linux/init.h>
+#include <linux/gpio.h>
#include <linux/interrupt.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
@@ -107,6 +108,14 @@ void macb_set_hwaddr(struct macb *bp)
macb_or_gem_writel(bp, SA1B, bottom);
top = cpu_to_le16(*((u16 *)(bp->dev->dev_addr + 4)));
macb_or_gem_writel(bp, SA1T, top);
+
+ /* Clear unused address register sets */
+ macb_or_gem_writel(bp, SA2B, 0);
+ macb_or_gem_writel(bp, SA2T, 0);
+ macb_or_gem_writel(bp, SA3B, 0);
+ macb_or_gem_writel(bp, SA3T, 0);
+ macb_or_gem_writel(bp, SA4B, 0);
+ macb_or_gem_writel(bp, SA4T, 0);
}
EXPORT_SYMBOL_GPL(macb_set_hwaddr);
@@ -261,7 +270,9 @@ static void macb_handle_link_change(struct net_device *dev)
static int macb_mii_probe(struct net_device *dev)
{
struct macb *bp = netdev_priv(dev);
+ struct macb_platform_data *pdata;
struct phy_device *phydev;
+ int phy_irq;
int ret;
phydev = phy_find_first(bp->mii_bus);
@@ -270,7 +281,14 @@ static int macb_mii_probe(struct net_device *dev)
return -1;
}
- /* TODO : add pin_irq */
+ pdata = dev_get_platdata(&bp->pdev->dev);
+ if (pdata && gpio_is_valid(pdata->phy_irq_pin)) {
+ ret = devm_gpio_request(&bp->pdev->dev, pdata->phy_irq_pin, "phy int");
+ if (!ret) {
+ phy_irq = gpio_to_irq(pdata->phy_irq_pin);
+ phydev->irq = (phy_irq < 0) ? PHY_POLL : phy_irq;
+ }
+ }
/* attach the mac to the phy */
ret = phy_connect_direct(dev, phydev, &macb_handle_link_change, 0,
diff --git a/drivers/net/ethernet/cadence/macb.h b/drivers/net/ethernet/cadence/macb.h
index 864e38042b2d..44144218dd37 100644
--- a/drivers/net/ethernet/cadence/macb.h
+++ b/drivers/net/ethernet/cadence/macb.h
@@ -74,6 +74,12 @@
#define GEM_HRT 0x0084
#define GEM_SA1B 0x0088
#define GEM_SA1T 0x008C
+#define GEM_SA2B 0x0090
+#define GEM_SA2T 0x0094
+#define GEM_SA3B 0x0098
+#define GEM_SA3T 0x009C
+#define GEM_SA4B 0x00A0
+#define GEM_SA4T 0x00A4
#define GEM_OTX 0x0100
#define GEM_DCFG1 0x0280
#define GEM_DCFG2 0x0284
diff --git a/drivers/net/phy/davicom.c b/drivers/net/phy/davicom.c
index 81c7bc010dd8..383e8338ad86 100644
--- a/drivers/net/phy/davicom.c
+++ b/drivers/net/phy/davicom.c
@@ -150,18 +150,24 @@ static struct phy_driver dm91xx_driver[] = {
.name = "Davicom DM9161E",
.phy_id_mask = 0x0ffffff0,
.features = PHY_BASIC_FEATURES,
+ .flags = PHY_HAS_INTERRUPT,
.config_init = dm9161_config_init,
.config_aneg = dm9161_config_aneg,
.read_status = genphy_read_status,
+ .ack_interrupt = dm9161_ack_interrupt,
+ .config_intr = dm9161_config_intr,
.driver = { .owner = THIS_MODULE,},
}, {
.phy_id = 0x0181b8a0,
.name = "Davicom DM9161A",
.phy_id_mask = 0x0ffffff0,
.features = PHY_BASIC_FEATURES,
+ .flags = PHY_HAS_INTERRUPT,
.config_init = dm9161_config_init,
.config_aneg = dm9161_config_aneg,
.read_status = genphy_read_status,
+ .ack_interrupt = dm9161_ack_interrupt,
+ .config_intr = dm9161_config_intr,
.driver = { .owner = THIS_MODULE,},
}, {
.phy_id = 0x00181b80,
diff --git a/drivers/net/vmxnet3/vmxnet3_drv.c b/drivers/net/vmxnet3/vmxnet3_drv.c
index 7e9622fea0a9..e4a192b26423 100644
--- a/drivers/net/vmxnet3/vmxnet3_drv.c
+++ b/drivers/net/vmxnet3/vmxnet3_drv.c
@@ -1094,10 +1094,10 @@ vmxnet3_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
{
struct vmxnet3_adapter *adapter = netdev_priv(netdev);
- BUG_ON(skb->queue_mapping > adapter->num_tx_queues);
- return vmxnet3_tq_xmit(skb,
- &adapter->tx_queue[skb->queue_mapping],
- adapter, netdev);
+ BUG_ON(skb->queue_mapping > adapter->num_tx_queues);
+ return vmxnet3_tq_xmit(skb,
+ &adapter->tx_queue[skb->queue_mapping],
+ adapter, netdev);
}
@@ -1243,8 +1243,8 @@ vmxnet3_rq_rx_complete(struct vmxnet3_rx_queue *rq,
skb_reserve(new_skb, NET_IP_ALIGN);
rbi->skb = new_skb;
rbi->dma_addr = pci_map_single(adapter->pdev,
- rbi->skb->data, rbi->len,
- PCI_DMA_FROMDEVICE);
+ rbi->skb->data, rbi->len,
+ PCI_DMA_FROMDEVICE);
rxd->addr = cpu_to_le64(rbi->dma_addr);
rxd->len = rbi->len;
@@ -1331,14 +1331,14 @@ rcd_done:
/* if needed, update the register */
if (unlikely(rq->shared->updateRxProd)) {
VMXNET3_WRITE_BAR0_REG(adapter,
- rxprod_reg[ring_idx] + rq->qid * 8,
- ring->next2fill);
+ rxprod_reg[ring_idx] + rq->qid * 8,
+ ring->next2fill);
rq->uncommitted[ring_idx] = 0;
}
vmxnet3_comp_ring_adv_next2proc(&rq->comp_ring);
vmxnet3_getRxComp(rcd,
- &rq->comp_ring.base[rq->comp_ring.next2proc].rcd, &rxComp);
+ &rq->comp_ring.base[rq->comp_ring.next2proc].rcd, &rxComp);
}
return num_rxd;
@@ -2949,11 +2949,11 @@ vmxnet3_probe_device(struct pci_dev *pdev,
spin_lock_init(&adapter->cmd_lock);
adapter->shared = pci_alloc_consistent(adapter->pdev,
- sizeof(struct Vmxnet3_DriverShared),
- &adapter->shared_pa);
+ sizeof(struct Vmxnet3_DriverShared),
+ &adapter->shared_pa);
if (!adapter->shared) {
printk(KERN_ERR "Failed to allocate memory for %s\n",
- pci_name(pdev));
+ pci_name(pdev));
err = -ENOMEM;
goto err_alloc_shared;
}
@@ -2964,16 +2964,16 @@ vmxnet3_probe_device(struct pci_dev *pdev,
size = sizeof(struct Vmxnet3_TxQueueDesc) * adapter->num_tx_queues;
size += sizeof(struct Vmxnet3_RxQueueDesc) * adapter->num_rx_queues;
adapter->tqd_start = pci_alloc_consistent(adapter->pdev, size,
- &adapter->queue_desc_pa);
+ &adapter->queue_desc_pa);
if (!adapter->tqd_start) {
printk(KERN_ERR "Failed to allocate memory for %s\n",
- pci_name(pdev));
+ pci_name(pdev));
err = -ENOMEM;
goto err_alloc_queue_desc;
}
adapter->rqd_start = (struct Vmxnet3_RxQueueDesc *)(adapter->tqd_start +
- adapter->num_tx_queues);
+ adapter->num_tx_queues);
adapter->pm_conf = kmalloc(sizeof(struct Vmxnet3_PMConf), GFP_KERNEL);
if (adapter->pm_conf == NULL) {
@@ -3019,7 +3019,7 @@ vmxnet3_probe_device(struct pci_dev *pdev,
adapter->dev_number = atomic_read(&devices_found);
- adapter->share_intr = irq_share_mode;
+ adapter->share_intr = irq_share_mode;
if (adapter->share_intr == VMXNET3_INTR_BUDDYSHARE &&
adapter->num_tx_queues != adapter->num_rx_queues)
adapter->share_intr = VMXNET3_INTR_DONTSHARE;
@@ -3065,7 +3065,7 @@ vmxnet3_probe_device(struct pci_dev *pdev,
if (err) {
printk(KERN_ERR "Failed to register adapter %s\n",
- pci_name(pdev));
+ pci_name(pdev));
goto err_register;
}
diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c
index 8aca888734da..9814d67237f1 100644
--- a/drivers/net/vxlan.c
+++ b/drivers/net/vxlan.c
@@ -769,7 +769,7 @@ static netdev_tx_t vxlan_xmit(struct sk_buff *skb, struct net_device *dev)
vxlan_set_owner(dev, skb);
- /* See __IPTUNNEL_XMIT */
+ /* See iptunnel_xmit() */
skb->ip_summed = CHECKSUM_NONE;
ip_select_ident(iph, &rt->dst, NULL);
diff --git a/include/linux/if_tunnel.h b/include/linux/if_tunnel.h
index 1cc595a67cc9..f4e56ecd0b1a 100644
--- a/include/linux/if_tunnel.h
+++ b/include/linux/if_tunnel.h
@@ -4,5 +4,22 @@
#include <linux/ip.h>
#include <linux/in6.h>
#include <uapi/linux/if_tunnel.h>
+#include <linux/u64_stats_sync.h>
+
+/*
+ * Locking : hash tables are protected by RCU and RTNL
+ */
+
+#define for_each_ip_tunnel_rcu(pos, start) \
+ for (pos = rcu_dereference(start); pos; pos = rcu_dereference(pos->next))
+
+/* often modified stats are per cpu, other are shared (netdev->stats) */
+struct pcpu_tstats {
+ u64 rx_packets;
+ u64 rx_bytes;
+ u64 tx_packets;
+ u64 tx_bytes;
+ struct u64_stats_sync syncp;
+};
#endif /* _IF_TUNNEL_H_ */
diff --git a/include/linux/pci.h b/include/linux/pci.h
index ee2179546c63..9cbd6705d033 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -604,6 +604,20 @@ struct pci_driver {
.subvendor = PCI_ANY_ID, .subdevice = PCI_ANY_ID
/**
+ * PCI_DEVICE_SUB - macro used to describe a specific pci device with subsystem
+ * @vend: the 16 bit PCI Vendor ID
+ * @dev: the 16 bit PCI Device ID
+ * @subvend: the 16 bit PCI Subvendor ID
+ * @subdev: the 16 bit PCI Subdevice ID
+ *
+ * This macro is used to create a struct pci_device_id that matches a
+ * specific device with subsystem information.
+ */
+#define PCI_DEVICE_SUB(vend, dev, subvend, subdev) \
+ .vendor = (vend), .device = (dev), \
+ .subvendor = (subvend), .subdevice = (subdev)
+
+/**
* PCI_DEVICE_CLASS - macro used to describe a specific pci device class
* @dev_class: the class, subclass, prog-if triple for this device
* @dev_class_mask: the class mask for this device
diff --git a/include/net/ipip.h b/include/net/ipip.h
index ddc077c51f32..21947cf4fa46 100644
--- a/include/net/ipip.h
+++ b/include/net/ipip.h
@@ -48,25 +48,27 @@ struct ip_tunnel_prl_entry {
struct rcu_head rcu_head;
};
-#define __IPTUNNEL_XMIT(stats1, stats2) do { \
- int err; \
- int pkt_len = skb->len - skb_transport_offset(skb); \
- \
- skb->ip_summed = CHECKSUM_NONE; \
- ip_select_ident(iph, &rt->dst, NULL); \
- \
- err = ip_local_out(skb); \
- if (likely(net_xmit_eval(err) == 0)) { \
- u64_stats_update_begin(&(stats1)->syncp); \
- (stats1)->tx_bytes += pkt_len; \
- (stats1)->tx_packets++; \
- u64_stats_update_end(&(stats1)->syncp); \
- } else { \
- (stats2)->tx_errors++; \
- (stats2)->tx_aborted_errors++; \
- } \
-} while (0)
+static inline void iptunnel_xmit(struct sk_buff *skb, struct net_device *dev)
+{
+ int err;
+ struct iphdr *iph = ip_hdr(skb);
+ int pkt_len = skb->len - skb_transport_offset(skb);
+ struct pcpu_tstats *tstats = this_cpu_ptr(dev->tstats);
-#define IPTUNNEL_XMIT() __IPTUNNEL_XMIT(txq, stats)
+ nf_reset(skb);
+ skb->ip_summed = CHECKSUM_NONE;
+ ip_select_ident(iph, skb_dst(skb), NULL);
+
+ err = ip_local_out(skb);
+ if (likely(net_xmit_eval(err) == 0)) {
+ u64_stats_update_begin(&tstats->syncp);
+ tstats->tx_bytes += pkt_len;
+ tstats->tx_packets++;
+ u64_stats_update_end(&tstats->syncp);
+ } else {
+ dev->stats.tx_errors++;
+ dev->stats.tx_aborted_errors++;
+ }
+}
#endif
diff --git a/include/uapi/linux/if_link.h b/include/uapi/linux/if_link.h
index 5c80cb11518b..7aae0179ae44 100644
--- a/include/uapi/linux/if_link.h
+++ b/include/uapi/linux/if_link.h
@@ -205,6 +205,23 @@ enum {
#define IFLA_INET6_MAX (__IFLA_INET6_MAX - 1)
+enum {
+ BRIDGE_MODE_UNSPEC,
+ BRIDGE_MODE_HAIRPIN,
+};
+
+enum {
+ IFLA_BRPORT_UNSPEC,
+ IFLA_BRPORT_STATE, /* Spanning tree state */
+ IFLA_BRPORT_PRIORITY, /* " priority */
+ IFLA_BRPORT_COST, /* " cost */
+ IFLA_BRPORT_MODE, /* mode (hairpin) */
+ IFLA_BRPORT_GUARD, /* bpdu guard */
+ IFLA_BRPORT_PROTECT, /* root port protection */
+ __IFLA_BRPORT_MAX
+};
+#define IFLA_BRPORT_MAX (__IFLA_BRPORT_MAX - 1)
+
struct ifla_cacheinfo {
__u32 max_reasm_len;
__u32 tstamp; /* ipv6InterfaceTable updated timestamp */
diff --git a/include/uapi/linux/if_tunnel.h b/include/uapi/linux/if_tunnel.h
index c1bf0b5a8da1..5ab0c8ddc2bc 100644
--- a/include/uapi/linux/if_tunnel.h
+++ b/include/uapi/linux/if_tunnel.h
@@ -47,6 +47,8 @@ enum {
IFLA_IPTUN_ENCAP_LIMIT,
IFLA_IPTUN_FLOWINFO,
IFLA_IPTUN_FLAGS,
+ IFLA_IPTUN_PROTO,
+ IFLA_IPTUN_PMTUDISC,
__IFLA_IPTUN_MAX,
};
#define IFLA_IPTUN_MAX (__IFLA_IPTUN_MAX - 1)
diff --git a/net/bridge/br_netlink.c b/net/bridge/br_netlink.c
index 14b065cbd214..65429b99a2a3 100644
--- a/net/bridge/br_netlink.c
+++ b/net/bridge/br_netlink.c
@@ -20,16 +20,43 @@
#include "br_private.h"
#include "br_private_stp.h"
+static inline size_t br_port_info_size(void)
+{
+ return nla_total_size(1) /* IFLA_BRPORT_STATE */
+ + nla_total_size(2) /* IFLA_BRPORT_PRIORITY */
+ + nla_total_size(4) /* IFLA_BRPORT_COST */
+ + nla_total_size(1) /* IFLA_BRPORT_MODE */
+ + nla_total_size(1) /* IFLA_BRPORT_GUARD */
+ + nla_total_size(1) /* IFLA_BRPORT_PROTECT */
+ + 0;
+}
+
static inline size_t br_nlmsg_size(void)
{
return NLMSG_ALIGN(sizeof(struct ifinfomsg))
- + nla_total_size(IFNAMSIZ) /* IFLA_IFNAME */
- + nla_total_size(MAX_ADDR_LEN) /* IFLA_ADDRESS */
- + nla_total_size(4) /* IFLA_MASTER */
- + nla_total_size(4) /* IFLA_MTU */
- + nla_total_size(4) /* IFLA_LINK */
- + nla_total_size(1) /* IFLA_OPERSTATE */
- + nla_total_size(1); /* IFLA_PROTINFO */
+ + nla_total_size(IFNAMSIZ) /* IFLA_IFNAME */
+ + nla_total_size(MAX_ADDR_LEN) /* IFLA_ADDRESS */
+ + nla_total_size(4) /* IFLA_MASTER */
+ + nla_total_size(4) /* IFLA_MTU */
+ + nla_total_size(4) /* IFLA_LINK */
+ + nla_total_size(1) /* IFLA_OPERSTATE */
+ + nla_total_size(br_port_info_size()); /* IFLA_PROTINFO */
+}
+
+static int br_port_fill_attrs(struct sk_buff *skb,
+ const struct net_bridge_port *p)
+{
+ u8 mode = !!(p->flags & BR_HAIRPIN_MODE);
+
+ if (nla_put_u8(skb, IFLA_BRPORT_STATE, p->state) ||
+ nla_put_u16(skb, IFLA_BRPORT_PRIORITY, p->priority) ||
+ nla_put_u32(skb, IFLA_BRPORT_COST, p->path_cost) ||
+ nla_put_u8(skb, IFLA_BRPORT_MODE, mode) ||
+ nla_put_u8(skb, IFLA_BRPORT_GUARD, !!(p->flags & BR_BPDU_GUARD)) ||
+ nla_put_u8(skb, IFLA_BRPORT_PROTECT, !!(p->flags & BR_ROOT_BLOCK)))
+ return -EMSGSIZE;
+
+ return 0;
}
/*
@@ -67,10 +94,18 @@ static int br_fill_ifinfo(struct sk_buff *skb, const struct net_bridge_port *por
(dev->addr_len &&
nla_put(skb, IFLA_ADDRESS, dev->addr_len, dev->dev_addr)) ||
(dev->ifindex != dev->iflink &&
- nla_put_u32(skb, IFLA_LINK, dev->iflink)) ||
- (event == RTM_NEWLINK &&
- nla_put_u8(skb, IFLA_PROTINFO, port->state)))
+ nla_put_u32(skb, IFLA_LINK, dev->iflink)))
goto nla_put_failure;
+
+ if (event == RTM_NEWLINK) {
+ struct nlattr *nest
+ = nla_nest_start(skb, IFLA_PROTINFO | NLA_F_NESTED);
+
+ if (nest == NULL || br_port_fill_attrs(skb, port) < 0)
+ goto nla_put_failure;
+ nla_nest_end(skb, nest);
+ }
+
return nlmsg_end(skb, nlh);
nla_put_failure:
@@ -126,47 +161,118 @@ out:
return err;
}
-/*
- * Change state of port (ie from forwarding to blocking etc)
- * Used by spanning tree in user space.
- */
+static const struct nla_policy ifla_brport_policy[IFLA_BRPORT_MAX + 1] = {
+ [IFLA_BRPORT_STATE] = { .type = NLA_U8 },
+ [IFLA_BRPORT_COST] = { .type = NLA_U32 },
+ [IFLA_BRPORT_PRIORITY] = { .type = NLA_U16 },
+ [IFLA_BRPORT_MODE] = { .type = NLA_U8 },
+ [IFLA_BRPORT_GUARD] = { .type = NLA_U8 },
+ [IFLA_BRPORT_PROTECT] = { .type = NLA_U8 },
+};
+
+/* Change the state of the port and notify spanning tree */
+static int br_set_port_state(struct net_bridge_port *p, u8 state)
+{
+ if (state > BR_STATE_BLOCKING)
+ return -EINVAL;
+
+ /* if kernel STP is running, don't allow changes */
+ if (p->br->stp_enabled == BR_KERNEL_STP)
+ return -EBUSY;
+
+ if (!netif_running(p->dev) ||
+ (!netif_carrier_ok(p->dev) && state != BR_STATE_DISABLED))
+ return -ENETDOWN;
+
+ p->state = state;
+ br_log_state(p);
+ br_port_state_selection(p->br);
+ return 0;
+}
+
+/* Set/clear or port flags based on attribute */
+static void br_set_port_flag(struct net_bridge_port *p, struct nlattr *tb[],
+ int attrtype, unsigned long mask)
+{
+ if (tb[attrtype]) {
+ u8 flag = nla_get_u8(tb[attrtype]);
+ if (flag)
+ p->flags |= mask;
+ else
+ p->flags &= ~mask;
+ }
+}
+
+/* Process bridge protocol info on port */
+static int br_setport(struct net_bridge_port *p, struct nlattr *tb[])
+{
+ int err;
+
+ br_set_port_flag(p, tb, IFLA_BRPORT_MODE, BR_HAIRPIN_MODE);
+ br_set_port_flag(p, tb, IFLA_BRPORT_GUARD, BR_BPDU_GUARD);
+
+ if (tb[IFLA_BRPORT_COST]) {
+ err = br_stp_set_path_cost(p, nla_get_u32(tb[IFLA_BRPORT_COST]));
+ if (err)
+ return err;
+ }
+
+ if (tb[IFLA_BRPORT_PRIORITY]) {
+ err = br_stp_set_port_priority(p, nla_get_u16(tb[IFLA_BRPORT_PRIORITY]));
+ if (err)
+ return err;
+ }
+
+ if (tb[IFLA_BRPORT_STATE]) {
+ err = br_set_port_state(p, nla_get_u8(tb[IFLA_BRPORT_STATE]));
+ if (err)
+ return err;
+ }
+ return 0;
+}
+
+/* Change state and parameters on port. */
int br_setlink(struct net_device *dev, struct nlmsghdr *nlh)
{
struct ifinfomsg *ifm;
struct nlattr *protinfo;
struct net_bridge_port *p;
- u8 new_state;
+ struct nlattr *tb[IFLA_BRPORT_MAX];
+ int err;
ifm = nlmsg_data(nlh);
protinfo = nlmsg_find_attr(nlh, sizeof(*ifm), IFLA_PROTINFO);
- if (!protinfo || nla_len(protinfo) < sizeof(u8))
- return -EINVAL;
-
- new_state = nla_get_u8(protinfo);
- if (new_state > BR_STATE_BLOCKING)
- return -EINVAL;
+ if (!protinfo)
+ return 0;
p = br_port_get_rtnl(dev);
if (!p)
return -EINVAL;
- /* if kernel STP is running, don't allow changes */
- if (p->br->stp_enabled == BR_KERNEL_STP)
- return -EBUSY;
+ if (protinfo->nla_type & NLA_F_NESTED) {
+ err = nla_parse_nested(tb, IFLA_BRPORT_MAX,
+ protinfo, ifla_brport_policy);
+ if (err)
+ return err;
- if (!netif_running(dev) ||
- (!netif_carrier_ok(dev) && new_state != BR_STATE_DISABLED))
- return -ENETDOWN;
+ spin_lock_bh(&p->br->lock);
+ err = br_setport(p, tb);
+ spin_unlock_bh(&p->br->lock);
+ } else {
+ /* Binary compatability with old RSTP */
+ if (nla_len(protinfo) < sizeof(u8))
+ return -EINVAL;
- p->state = new_state;
- br_log_state(p);
+ spin_lock_bh(&p->br->lock);
+ err = br_set_port_state(p, nla_get_u8(protinfo));
+ spin_unlock_bh(&p->br->lock);
+ }
- spin_lock_bh(&p->br->lock);
- br_port_state_selection(p->br);
- spin_unlock_bh(&p->br->lock);
+ if (err == 0)
+ br_ifinfo_notify(RTM_NEWLINK, p);
- return 0;
+ return err;
}
static int br_validate(struct nlattr *tb[], struct nlattr *data[])
diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h
index 22111ffd68df..eb9cd42146a5 100644
--- a/net/bridge/br_private.h
+++ b/net/bridge/br_private.h
@@ -135,6 +135,8 @@ struct net_bridge_port
unsigned long flags;
#define BR_HAIRPIN_MODE 0x00000001
+#define BR_BPDU_GUARD 0x00000002
+#define BR_ROOT_BLOCK 0x00000004
#ifdef CONFIG_BRIDGE_IGMP_SNOOPING
u32 multicast_startup_queries_sent;
diff --git a/net/bridge/br_stp.c b/net/bridge/br_stp.c
index af9a12099ba4..b01849a74310 100644
--- a/net/bridge/br_stp.c
+++ b/net/bridge/br_stp.c
@@ -100,6 +100,21 @@ static int br_should_become_root_port(const struct net_bridge_port *p,
return 0;
}
+static void br_root_port_block(const struct net_bridge *br,
+ struct net_bridge_port *p)
+{
+
+ br_notice(br, "port %u(%s) tried to become root port (blocked)",
+ (unsigned int) p->port_no, p->dev->name);
+
+ p->state = BR_STATE_LISTENING;
+ br_log_state(p);
+ br_ifinfo_notify(RTM_NEWLINK, p);
+
+ if (br->forward_delay > 0)
+ mod_timer(&p->forward_delay_timer, jiffies + br->forward_delay);
+}
+
/* called under bridge lock */
static void br_root_selection(struct net_bridge *br)
{
@@ -107,7 +122,12 @@ static void br_root_selection(struct net_bridge *br)
u16 root_port = 0;
list_for_each_entry(p, &br->port_list, list) {
- if (br_should_become_root_port(p, root_port))
+ if (!br_should_become_root_port(p, root_port))
+ continue;
+
+ if (p->flags & BR_ROOT_BLOCK)
+ br_root_port_block(br, p);
+ else
root_port = p->port_no;
}
diff --git a/net/bridge/br_stp_bpdu.c b/net/bridge/br_stp_bpdu.c
index fd30a6022dea..7f884e3fb955 100644
--- a/net/bridge/br_stp_bpdu.c
+++ b/net/bridge/br_stp_bpdu.c
@@ -170,6 +170,13 @@ void br_stp_rcv(const struct stp_proto *proto, struct sk_buff *skb,
if (!ether_addr_equal(dest, br->group_addr))
goto out;
+ if (p->flags & BR_BPDU_GUARD) {
+ br_notice(br, "BPDU received on blocked port %u(%s)\n",
+ (unsigned int) p->port_no, p->dev->name);
+ br_stp_disable_port(p);
+ goto out;
+ }
+
buf = skb_pull(skb, 3);
if (buf[0] == BPDU_TYPE_CONFIG) {
diff --git a/net/bridge/br_sysfs_if.c b/net/bridge/br_sysfs_if.c
index 13b36bdc76a7..80a4fc5d96ab 100644
--- a/net/bridge/br_sysfs_if.c
+++ b/net/bridge/br_sysfs_if.c
@@ -34,6 +34,28 @@ const struct brport_attribute brport_attr_##_name = { \
.store = _store, \
};
+#define BRPORT_ATTR_FLAG(_name, _mask) \
+static ssize_t show_##_name(struct net_bridge_port *p, char *buf) \
+{ \
+ return sprintf(buf, "%d\n", !!(p->flags & _mask)); \
+} \
+static int store_##_name(struct net_bridge_port *p, unsigned long v) \
+{ \
+ unsigned long flags = p->flags; \
+ if (v) \
+ flags |= _mask; \
+ else \
+ flags &= ~_mask; \
+ if (flags != p->flags) { \
+ p->flags = flags; \
+ br_ifinfo_notify(RTM_NEWLINK, p); \
+ } \
+ return 0; \
+} \
+static BRPORT_ATTR(_name, S_IRUGO | S_IWUSR, \
+ show_##_name, store_##_name)
+
+
static ssize_t show_path_cost(struct net_bridge_port *p, char *buf)
{
return sprintf(buf, "%d\n", p->path_cost);
@@ -133,21 +155,9 @@ static int store_flush(struct net_bridge_port *p, unsigned long v)
}
static BRPORT_ATTR(flush, S_IWUSR, NULL, store_flush);
-static ssize_t show_hairpin_mode(struct net_bridge_port *p, char *buf)
-{
- int hairpin_mode = (p->flags & BR_HAIRPIN_MODE) ? 1 : 0;
- return sprintf(buf, "%d\n", hairpin_mode);
-}
-static int store_hairpin_mode(struct net_bridge_port *p, unsigned long v)
-{
- if (v)
- p->flags |= BR_HAIRPIN_MODE;
- else
- p->flags &= ~BR_HAIRPIN_MODE;
- return 0;
-}
-static BRPORT_ATTR(hairpin_mode, S_IRUGO | S_IWUSR,
- show_hairpin_mode, store_hairpin_mode);
+BRPORT_ATTR_FLAG(hairpin_mode, BR_HAIRPIN_MODE);
+BRPORT_ATTR_FLAG(bpdu_guard, BR_BPDU_GUARD);
+BRPORT_ATTR_FLAG(root_block, BR_ROOT_BLOCK);
#ifdef CONFIG_BRIDGE_IGMP_SNOOPING
static ssize_t show_multicast_router(struct net_bridge_port *p, char *buf)
@@ -181,6 +191,8 @@ static const struct brport_attribute *brport_attrs[] = {
&brport_attr_hold_timer,
&brport_attr_flush,
&brport_attr_hairpin_mode,
+ &brport_attr_bpdu_guard,
+ &brport_attr_root_block,
#ifdef CONFIG_BRIDGE_IGMP_SNOOPING
&brport_attr_multicast_router,
#endif
diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c
index 7240f8e2dd45..127f2a1e67f5 100644
--- a/net/ipv4/ip_gre.c
+++ b/net/ipv4/ip_gre.c
@@ -164,21 +164,6 @@ struct ipgre_net {
#define tunnels_r tunnels[2]
#define tunnels_l tunnels[1]
#define tunnels_wc tunnels[0]
-/*
- * Locking : hash tables are protected by RCU and RTNL
- */
-
-#define for_each_ip_tunnel_rcu(start) \
- for (t = rcu_dereference(start); t; t = rcu_dereference(t->next))
-
-/* often modified stats are per cpu, other are shared (netdev->stats) */
-struct pcpu_tstats {
- u64 rx_packets;
- u64 rx_bytes;
- u64 tx_packets;
- u64 tx_bytes;
- struct u64_stats_sync syncp;
-};
static struct rtnl_link_stats64 *ipgre_get_stats64(struct net_device *dev,
struct rtnl_link_stats64 *tot)
@@ -250,7 +235,7 @@ static struct ip_tunnel *ipgre_tunnel_lookup(struct net_device *dev,
ARPHRD_ETHER : ARPHRD_IPGRE;
int score, cand_score = 4;
- for_each_ip_tunnel_rcu(ign->tunnels_r_l[h0 ^ h1]) {
+ for_each_ip_tunnel_rcu(t, ign->tunnels_r_l[h0 ^ h1]) {
if (local != t->parms.iph.saddr ||
remote != t->parms.iph.daddr ||
!(t->dev->flags & IFF_UP))
@@ -277,7 +262,7 @@ static struct ip_tunnel *ipgre_tunnel_lookup(struct net_device *dev,
}
}
- for_each_ip_tunnel_rcu(ign->tunnels_r[h0 ^ h1]) {
+ for_each_ip_tunnel_rcu(t, ign->tunnels_r[h0 ^ h1]) {
if (remote != t->parms.iph.daddr ||
!(t->dev->flags & IFF_UP))
continue;
@@ -303,7 +288,7 @@ static struct ip_tunnel *ipgre_tunnel_lookup(struct net_device *dev,
}
}
- for_each_ip_tunnel_rcu(ign->tunnels_l[h1]) {
+ for_each_ip_tunnel_rcu(t, ign->tunnels_l[h1]) {
if ((local != t->parms.iph.saddr &&
(local != t->parms.iph.daddr ||
!ipv4_is_multicast(local))) ||
@@ -331,7 +316,7 @@ static struct ip_tunnel *ipgre_tunnel_lookup(struct net_device *dev,
}
}
- for_each_ip_tunnel_rcu(ign->tunnels_wc[h1]) {
+ for_each_ip_tunnel_rcu(t, ign->tunnels_wc[h1]) {
if (t->parms.i_key != key ||
!(t->dev->flags & IFF_UP))
continue;
@@ -753,7 +738,6 @@ drop:
static netdev_tx_t ipgre_tunnel_xmit(struct sk_buff *skb, struct net_device *dev)
{
struct ip_tunnel *tunnel = netdev_priv(dev);
- struct pcpu_tstats *tstats;
const struct iphdr *old_iph = ip_hdr(skb);
const struct iphdr *tiph;
struct flowi4 fl4;
@@ -977,9 +961,7 @@ static netdev_tx_t ipgre_tunnel_xmit(struct sk_buff *skb, struct net_device *dev
}
}
- nf_reset(skb);
- tstats = this_cpu_ptr(dev->tstats);
- __IPTUNNEL_XMIT(tstats, &dev->stats);
+ iptunnel_xmit(skb, dev);
return NETDEV_TX_OK;
#if IS_ENABLED(CONFIG_IPV6)
diff --git a/net/ipv4/ip_vti.c b/net/ipv4/ip_vti.c
index 1831092f999f..516188b0dc1e 100644
--- a/net/ipv4/ip_vti.c
+++ b/net/ipv4/ip_vti.c
@@ -66,20 +66,6 @@ static void vti_tunnel_setup(struct net_device *dev);
static void vti_dev_free(struct net_device *dev);
static int vti_tunnel_bind_dev(struct net_device *dev);
-/* Locking : hash tables are protected by RCU and RTNL */
-
-#define for_each_ip_tunnel_rcu(start) \
- for (t = rcu_dereference(start); t; t = rcu_dereference(t->next))
-
-/* often modified stats are per cpu, other are shared (netdev->stats) */
-struct pcpu_tstats {
- u64 rx_packets;
- u64 rx_bytes;
- u64 tx_packets;
- u64 tx_bytes;
- struct u64_stats_sync syncp;
-};
-
#define VTI_XMIT(stats1, stats2) do { \
int err; \
int pkt_len = skb->len; \
@@ -142,19 +128,19 @@ static struct ip_tunnel *vti_tunnel_lookup(struct net *net,
struct ip_tunnel *t;
struct vti_net *ipn = net_generic(net, vti_net_id);
- for_each_ip_tunnel_rcu(ipn->tunnels_r_l[h0 ^ h1])
+ for_each_ip_tunnel_rcu(t, ipn->tunnels_r_l[h0 ^ h1])
if (local == t->parms.iph.saddr &&
remote == t->parms.iph.daddr && (t->dev->flags&IFF_UP))
return t;
- for_each_ip_tunnel_rcu(ipn->tunnels_r[h0])
+ for_each_ip_tunnel_rcu(t, ipn->tunnels_r[h0])
if (remote == t->parms.iph.daddr && (t->dev->flags&IFF_UP))
return t;
- for_each_ip_tunnel_rcu(ipn->tunnels_l[h1])
+ for_each_ip_tunnel_rcu(t, ipn->tunnels_l[h1])
if (local == t->parms.iph.saddr && (t->dev->flags&IFF_UP))
return t;
- for_each_ip_tunnel_rcu(ipn->tunnels_wc[0])
+ for_each_ip_tunnel_rcu(t, ipn->tunnels_wc[0])
if (t && (t->dev->flags&IFF_UP))
return t;
return NULL;
diff --git a/net/ipv4/ipip.c b/net/ipv4/ipip.c
index 720855e41100..64686e1f54d9 100644
--- a/net/ipv4/ipip.c
+++ b/net/ipv4/ipip.c
@@ -140,22 +140,6 @@ static void ipip_tunnel_setup(struct net_device *dev);
static void ipip_dev_free(struct net_device *dev);
static struct rtnl_link_ops ipip_link_ops __read_mostly;
-/*
- * Locking : hash tables are protected by RCU and RTNL
- */
-
-#define for_each_ip_tunnel_rcu(start) \
- for (t = rcu_dereference(start); t; t = rcu_dereference(t->next))
-
-/* often modified stats are per cpu, other are shared (netdev->stats) */
-struct pcpu_tstats {
- u64 rx_packets;
- u64 rx_bytes;
- u64 tx_packets;
- u64 tx_bytes;
- struct u64_stats_sync syncp;
-};
-
static struct rtnl_link_stats64 *ipip_get_stats64(struct net_device *dev,
struct rtnl_link_stats64 *tot)
{
@@ -198,16 +182,16 @@ static struct ip_tunnel *ipip_tunnel_lookup(struct net *net,
struct ip_tunnel *t;
struct ipip_net *ipn = net_generic(net, ipip_net_id);
- for_each_ip_tunnel_rcu(ipn->tunnels_r_l[h0 ^ h1])
+ for_each_ip_tunnel_rcu(t, ipn->tunnels_r_l[h0 ^ h1])
if (local == t->parms.iph.saddr &&
remote == t->parms.iph.daddr && (t->dev->flags&IFF_UP))
return t;
- for_each_ip_tunnel_rcu(ipn->tunnels_r[h0])
+ for_each_ip_tunnel_rcu(t, ipn->tunnels_r[h0])
if (remote == t->parms.iph.daddr && (t->dev->flags&IFF_UP))
return t;
- for_each_ip_tunnel_rcu(ipn->tunnels_l[h1])
+ for_each_ip_tunnel_rcu(t, ipn->tunnels_l[h1])
if (local == t->parms.iph.saddr && (t->dev->flags&IFF_UP))
return t;
@@ -265,6 +249,32 @@ static void ipip_tunnel_link(struct ipip_net *ipn, struct ip_tunnel *t)
rcu_assign_pointer(*tp, t);
}
+static int ipip_tunnel_create(struct net_device *dev)
+{
+ struct ip_tunnel *t = netdev_priv(dev);
+ struct net *net = dev_net(dev);
+ struct ipip_net *ipn = net_generic(net, ipip_net_id);
+ int err;
+
+ err = ipip_tunnel_init(dev);
+ if (err < 0)
+ goto out;
+
+ err = register_netdevice(dev);
+ if (err < 0)
+ goto out;
+
+ strcpy(t->parms.name, dev->name);
+ dev->rtnl_link_ops = &ipip_link_ops;
+
+ dev_hold(dev);
+ ipip_tunnel_link(ipn, t);
+ return 0;
+
+out:
+ return err;
+}
+
static struct ip_tunnel *ipip_tunnel_locate(struct net *net,
struct ip_tunnel_parm *parms, int create)
{
@@ -299,17 +309,9 @@ static struct ip_tunnel *ipip_tunnel_locate(struct net *net,
nt = netdev_priv(dev);
nt->parms = *parms;
- if (ipip_tunnel_init(dev) < 0)
- goto failed_free;
-
- if (register_netdevice(dev) < 0)
+ if (ipip_tunnel_create(dev) < 0)
goto failed_free;
- strcpy(nt->parms.name, dev->name);
- dev->rtnl_link_ops = &ipip_link_ops;
-
- dev_hold(dev);
- ipip_tunnel_link(ipn, nt);
return nt;
failed_free:
@@ -465,7 +467,6 @@ drop:
static netdev_tx_t ipip_tunnel_xmit(struct sk_buff *skb, struct net_device *dev)
{
struct ip_tunnel *tunnel = netdev_priv(dev);
- struct pcpu_tstats *tstats;
const struct iphdr *tiph = &tunnel->parms.iph;
u8 tos = tunnel->parms.iph.tos;
__be16 df = tiph->frag_off;
@@ -592,9 +593,7 @@ static netdev_tx_t ipip_tunnel_xmit(struct sk_buff *skb, struct net_device *dev)
if ((iph->ttl = tiph->ttl) == 0)
iph->ttl = old_iph->ttl;
- nf_reset(skb);
- tstats = this_cpu_ptr(dev->tstats);
- __IPTUNNEL_XMIT(tstats, &dev->stats);
+ iptunnel_xmit(skb, dev);
return NETDEV_TX_OK;
tx_error_icmp:
@@ -641,6 +640,28 @@ static void ipip_tunnel_bind_dev(struct net_device *dev)
dev->iflink = tunnel->parms.link;
}
+static void ipip_tunnel_update(struct ip_tunnel *t, struct ip_tunnel_parm *p)
+{
+ struct net *net = dev_net(t->dev);
+ struct ipip_net *ipn = net_generic(net, ipip_net_id);
+
+ ipip_tunnel_unlink(ipn, t);
+ synchronize_net();
+ t->parms.iph.saddr = p->iph.saddr;
+ t->parms.iph.daddr = p->iph.daddr;
+ memcpy(t->dev->dev_addr, &p->iph.saddr, 4);
+ memcpy(t->dev->broadcast, &p->iph.daddr, 4);
+ ipip_tunnel_link(ipn, t);
+ t->parms.iph.ttl = p->iph.ttl;
+ t->parms.iph.tos = p->iph.tos;
+ t->parms.iph.frag_off = p->iph.frag_off;
+ if (t->parms.link != p->link) {
+ t->parms.link = p->link;
+ ipip_tunnel_bind_dev(t->dev);
+ }
+ netdev_state_change(t->dev);
+}
+
static int
ipip_tunnel_ioctl (struct net_device *dev, struct ifreq *ifr, int cmd)
{
@@ -699,29 +720,13 @@ ipip_tunnel_ioctl (struct net_device *dev, struct ifreq *ifr, int cmd)
break;
}
t = netdev_priv(dev);
- ipip_tunnel_unlink(ipn, t);
- synchronize_net();
- t->parms.iph.saddr = p.iph.saddr;
- t->parms.iph.daddr = p.iph.daddr;
- memcpy(dev->dev_addr, &p.iph.saddr, 4);
- memcpy(dev->broadcast, &p.iph.daddr, 4);
- ipip_tunnel_link(ipn, t);
- netdev_state_change(dev);
}
+
+ ipip_tunnel_update(t, &p);
}
if (t) {
err = 0;
- if (cmd == SIOCCHGTUNNEL) {
- t->parms.iph.ttl = p.iph.ttl;
- t->parms.iph.tos = p.iph.tos;
- t->parms.iph.frag_off = p.iph.frag_off;
- if (t->parms.link != p.link) {
- t->parms.link = p.link;
- ipip_tunnel_bind_dev(dev);
- netdev_state_change(dev);
- }
- }
if (copy_to_user(ifr->ifr_ifru.ifru_data, &t->parms, sizeof(p)))
err = -EFAULT;
} else
@@ -843,6 +848,84 @@ static int __net_init ipip_fb_tunnel_init(struct net_device *dev)
return 0;
}
+static void ipip_netlink_parms(struct nlattr *data[],
+ struct ip_tunnel_parm *parms)
+{
+ memset(parms, 0, sizeof(*parms));
+
+ parms->iph.version = 4;
+ parms->iph.protocol = IPPROTO_IPIP;
+ parms->iph.ihl = 5;
+
+ if (!data)
+ return;
+
+ if (data[IFLA_IPTUN_LINK])
+ parms->link = nla_get_u32(data[IFLA_IPTUN_LINK]);
+
+ if (data[IFLA_IPTUN_LOCAL])
+ parms->iph.saddr = nla_get_u32(data[IFLA_IPTUN_LOCAL]);
+
+ if (data[IFLA_IPTUN_REMOTE])
+ parms->iph.daddr = nla_get_u32(data[IFLA_IPTUN_REMOTE]);
+
+ if (data[IFLA_IPTUN_TTL]) {
+ parms->iph.ttl = nla_get_u8(data[IFLA_IPTUN_TTL]);
+ if (parms->iph.ttl)
+ parms->iph.frag_off = htons(IP_DF);
+ }
+
+ if (data[IFLA_IPTUN_TOS])
+ parms->iph.tos = nla_get_u8(data[IFLA_IPTUN_TOS]);
+
+ if (!data[IFLA_IPTUN_PMTUDISC] || nla_get_u8(data[IFLA_IPTUN_PMTUDISC]))
+ parms->iph.frag_off = htons(IP_DF);
+}
+
+static int ipip_newlink(struct net *src_net, struct net_device *dev,
+ struct nlattr *tb[], struct nlattr *data[])
+{
+ struct net *net = dev_net(dev);
+ struct ip_tunnel *nt;
+
+ nt = netdev_priv(dev);
+ ipip_netlink_parms(data, &nt->parms);
+
+ if (ipip_tunnel_locate(net, &nt->parms, 0))
+ return -EEXIST;
+
+ return ipip_tunnel_create(dev);
+}
+
+static int ipip_changelink(struct net_device *dev, struct nlattr *tb[],
+ struct nlattr *data[])
+{
+ struct ip_tunnel *t;
+ struct ip_tunnel_parm p;
+ struct net *net = dev_net(dev);
+ struct ipip_net *ipn = net_generic(net, ipip_net_id);
+
+ if (dev == ipn->fb_tunnel_dev)
+ return -EINVAL;
+
+ ipip_netlink_parms(data, &p);
+
+ if (((dev->flags & IFF_POINTOPOINT) && !p.iph.daddr) ||
+ (!(dev->flags & IFF_POINTOPOINT) && p.iph.daddr))
+ return -EINVAL;
+
+ t = ipip_tunnel_locate(net, &p, 0);
+
+ if (t) {
+ if (t->dev != dev)
+ return -EEXIST;
+ } else
+ t = netdev_priv(dev);
+
+ ipip_tunnel_update(t, &p);
+ return 0;
+}
+
static size_t ipip_get_size(const struct net_device *dev)
{
return
@@ -856,6 +939,8 @@ static size_t ipip_get_size(const struct net_device *dev)
nla_total_size(1) +
/* IFLA_IPTUN_TOS */
nla_total_size(1) +
+ /* IFLA_IPTUN_PMTUDISC */
+ nla_total_size(1) +
0;
}
@@ -868,7 +953,9 @@ static int ipip_fill_info(struct sk_buff *skb, const struct net_device *dev)
nla_put_be32(skb, IFLA_IPTUN_LOCAL, parm->iph.saddr) ||
nla_put_be32(skb, IFLA_IPTUN_REMOTE, parm->iph.daddr) ||
nla_put_u8(skb, IFLA_IPTUN_TTL, parm->iph.ttl) ||
- nla_put_u8(skb, IFLA_IPTUN_TOS, parm->iph.tos))
+ nla_put_u8(skb, IFLA_IPTUN_TOS, parm->iph.tos) ||
+ nla_put_u8(skb, IFLA_IPTUN_PMTUDISC,
+ !!(parm->iph.frag_off & htons(IP_DF))))
goto nla_put_failure;
return 0;
@@ -876,10 +963,23 @@ nla_put_failure:
return -EMSGSIZE;
}
+static const struct nla_policy ipip_policy[IFLA_IPTUN_MAX + 1] = {
+ [IFLA_IPTUN_LINK] = { .type = NLA_U32 },
+ [IFLA_IPTUN_LOCAL] = { .type = NLA_U32 },
+ [IFLA_IPTUN_REMOTE] = { .type = NLA_U32 },
+ [IFLA_IPTUN_TTL] = { .type = NLA_U8 },
+ [IFLA_IPTUN_TOS] = { .type = NLA_U8 },
+ [IFLA_IPTUN_PMTUDISC] = { .type = NLA_U8 },
+};
+
static struct rtnl_link_ops ipip_link_ops __read_mostly = {
.kind = "ipip",
.maxtype = IFLA_IPTUN_MAX,
+ .policy = ipip_policy,
.priv_size = sizeof(struct ip_tunnel),
+ .setup = ipip_tunnel_setup,
+ .newlink = ipip_newlink,
+ .changelink = ipip_changelink,
.get_size = ipip_get_size,
.fill_info = ipip_fill_info,
};
diff --git a/net/ipv6/ip6_gre.c b/net/ipv6/ip6_gre.c
index 12aa473e9793..823fd64d0136 100644
--- a/net/ipv6/ip6_gre.c
+++ b/net/ipv6/ip6_gre.c
@@ -109,21 +109,6 @@ static u32 HASH_ADDR(const struct in6_addr *addr)
#define tunnels_r tunnels[2]
#define tunnels_l tunnels[1]
#define tunnels_wc tunnels[0]
-/*
- * Locking : hash tables are protected by RCU and RTNL
- */
-
-#define for_each_ip_tunnel_rcu(start) \
- for (t = rcu_dereference(start); t; t = rcu_dereference(t->next))
-
-/* often modified stats are per cpu, other are shared (netdev->stats) */
-struct pcpu_tstats {
- u64 rx_packets;
- u64 rx_bytes;
- u64 tx_packets;
- u64 tx_bytes;
- struct u64_stats_sync syncp;
-};
static struct rtnl_link_stats64 *ip6gre_get_stats64(struct net_device *dev,
struct rtnl_link_stats64 *tot)
@@ -181,7 +166,7 @@ static struct ip6_tnl *ip6gre_tunnel_lookup(struct net_device *dev,
ARPHRD_ETHER : ARPHRD_IP6GRE;
int score, cand_score = 4;
- for_each_ip_tunnel_rcu(ign->tunnels_r_l[h0 ^ h1]) {
+ for_each_ip_tunnel_rcu(t, ign->tunnels_r_l[h0 ^ h1]) {
if (!ipv6_addr_equal(local, &t->parms.laddr) ||
!ipv6_addr_equal(remote, &t->parms.raddr) ||
key != t->parms.i_key ||
@@ -206,7 +191,7 @@ static struct ip6_tnl *ip6gre_tunnel_lookup(struct net_device *dev,
}
}
- for_each_ip_tunnel_rcu(ign->tunnels_r[h0 ^ h1]) {
+ for_each_ip_tunnel_rcu(t, ign->tunnels_r[h0 ^ h1]) {
if (!ipv6_addr_equal(remote, &t->parms.raddr) ||
key != t->parms.i_key ||
!(t->dev->flags & IFF_UP))
@@ -230,7 +215,7 @@ static struct ip6_tnl *ip6gre_tunnel_lookup(struct net_device *dev,
}
}
- for_each_ip_tunnel_rcu(ign->tunnels_l[h1]) {
+ for_each_ip_tunnel_rcu(t, ign->tunnels_l[h1]) {
if ((!ipv6_addr_equal(local, &t->parms.laddr) &&
(!ipv6_addr_equal(local, &t->parms.raddr) ||
!ipv6_addr_is_multicast(local))) ||
@@ -256,7 +241,7 @@ static struct ip6_tnl *ip6gre_tunnel_lookup(struct net_device *dev,
}
}
- for_each_ip_tunnel_rcu(ign->tunnels_wc[h1]) {
+ for_each_ip_tunnel_rcu(t, ign->tunnels_wc[h1]) {
if (t->parms.i_key != key ||
!(t->dev->flags & IFF_UP))
continue;
diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c
index 424ed45ef122..ab4d05633bfd 100644
--- a/net/ipv6/ip6_tunnel.c
+++ b/net/ipv6/ip6_tunnel.c
@@ -95,14 +95,6 @@ struct ip6_tnl_net {
struct ip6_tnl __rcu **tnls[2];
};
-/* often modified stats are per cpu, other are shared (netdev->stats) */
-struct pcpu_tstats {
- unsigned long rx_packets;
- unsigned long rx_bytes;
- unsigned long tx_packets;
- unsigned long tx_bytes;
-} __attribute__((aligned(4*sizeof(unsigned long))));
-
static struct net_device_stats *ip6_get_stats(struct net_device *dev)
{
struct pcpu_tstats sum = { 0 };
@@ -259,6 +251,33 @@ static void ip6_dev_free(struct net_device *dev)
free_netdev(dev);
}
+static int ip6_tnl_create2(struct net_device *dev)
+{
+ struct ip6_tnl *t = netdev_priv(dev);
+ struct net *net = dev_net(dev);
+ struct ip6_tnl_net *ip6n = net_generic(net, ip6_tnl_net_id);
+ int err;
+
+ t = netdev_priv(dev);
+ err = ip6_tnl_dev_init(dev);
+ if (err < 0)
+ goto out;
+
+ err = register_netdevice(dev);
+ if (err < 0)
+ goto out;
+
+ strcpy(t->parms.name, dev->name);
+ dev->rtnl_link_ops = &ip6_link_ops;
+
+ dev_hold(dev);
+ ip6_tnl_link(ip6n, t);
+ return 0;
+
+out:
+ return err;
+}
+
/**
* ip6_tnl_create - create a new tunnel
* @p: tunnel parameters
@@ -277,7 +296,6 @@ static struct ip6_tnl *ip6_tnl_create(struct net *net, struct __ip6_tnl_parm *p)
struct ip6_tnl *t;
char name[IFNAMSIZ];
int err;
- struct ip6_tnl_net *ip6n = net_generic(net, ip6_tnl_net_id);
if (p->name[0])
strlcpy(name, p->name, IFNAMSIZ);
@@ -292,18 +310,10 @@ static struct ip6_tnl *ip6_tnl_create(struct net *net, struct __ip6_tnl_parm *p)
t = netdev_priv(dev);
t->parms = *p;
- err = ip6_tnl_dev_init(dev);
+ err = ip6_tnl_create2(dev);
if (err < 0)
goto failed_free;
- if ((err = register_netdevice(dev)) < 0)
- goto failed_free;
-
- strcpy(t->parms.name, dev->name);
- dev->rtnl_link_ops = &ip6_link_ops;
-
- dev_hold(dev);
- ip6_tnl_link(ip6n, t);
return t;
failed_free:
@@ -1238,6 +1248,20 @@ ip6_tnl_change(struct ip6_tnl *t, const struct __ip6_tnl_parm *p)
return 0;
}
+static int ip6_tnl_update(struct ip6_tnl *t, struct __ip6_tnl_parm *p)
+{
+ struct net *net = dev_net(t->dev);
+ struct ip6_tnl_net *ip6n = net_generic(net, ip6_tnl_net_id);
+ int err;
+
+ ip6_tnl_unlink(ip6n, t);
+ synchronize_net();
+ err = ip6_tnl_change(t, p);
+ ip6_tnl_link(ip6n, t);
+ netdev_state_change(t->dev);
+ return err;
+}
+
static void
ip6_tnl_parm_from_user(struct __ip6_tnl_parm *p, const struct ip6_tnl_parm *u)
{
@@ -1346,11 +1370,7 @@ ip6_tnl_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
} else
t = netdev_priv(dev);
- ip6_tnl_unlink(ip6n, t);
- synchronize_net();
- err = ip6_tnl_change(t, &p1);
- ip6_tnl_link(ip6n, t);
- netdev_state_change(dev);
+ err = ip6_tnl_update(t, &p1);
}
if (t) {
err = 0;
@@ -1506,7 +1526,97 @@ static int __net_init ip6_fb_tnl_dev_init(struct net_device *dev)
return 0;
}
-static size_t ip6_get_size(const struct net_device *dev)
+static int ip6_tnl_validate(struct nlattr *tb[], struct nlattr *data[])
+{
+ u8 proto;
+
+ if (!data)
+ return 0;
+
+ proto = nla_get_u8(data[IFLA_IPTUN_PROTO]);
+ if (proto != IPPROTO_IPV6 &&
+ proto != IPPROTO_IPIP &&
+ proto != 0)
+ return -EINVAL;
+
+ return 0;
+}
+
+static void ip6_tnl_netlink_parms(struct nlattr *data[],
+ struct __ip6_tnl_parm *parms)
+{
+ memset(parms, 0, sizeof(*parms));
+
+ if (!data)
+ return;
+
+ if (data[IFLA_IPTUN_LINK])
+ parms->link = nla_get_u32(data[IFLA_IPTUN_LINK]);
+
+ if (data[IFLA_IPTUN_LOCAL])
+ nla_memcpy(&parms->laddr, data[IFLA_IPTUN_LOCAL],
+ sizeof(struct in6_addr));
+
+ if (data[IFLA_IPTUN_REMOTE])
+ nla_memcpy(&parms->raddr, data[IFLA_IPTUN_REMOTE],
+ sizeof(struct in6_addr));
+
+ if (data[IFLA_IPTUN_TTL])
+ parms->hop_limit = nla_get_u8(data[IFLA_IPTUN_TTL]);
+
+ if (data[IFLA_IPTUN_ENCAP_LIMIT])
+ parms->encap_limit = nla_get_u8(data[IFLA_IPTUN_ENCAP_LIMIT]);
+
+ if (data[IFLA_IPTUN_FLOWINFO])
+ parms->flowinfo = nla_get_u32(data[IFLA_IPTUN_FLOWINFO]);
+
+ if (data[IFLA_IPTUN_FLAGS])
+ parms->flags = nla_get_u32(data[IFLA_IPTUN_FLAGS]);
+
+ if (data[IFLA_IPTUN_PROTO])
+ parms->proto = nla_get_u8(data[IFLA_IPTUN_PROTO]);
+}
+
+static int ip6_tnl_newlink(struct net *src_net, struct net_device *dev,
+ struct nlattr *tb[], struct nlattr *data[])
+{
+ struct net *net = dev_net(dev);
+ struct ip6_tnl *nt;
+
+ nt = netdev_priv(dev);
+ ip6_tnl_netlink_parms(data, &nt->parms);
+
+ if (ip6_tnl_locate(net, &nt->parms, 0))
+ return -EEXIST;
+
+ return ip6_tnl_create2(dev);
+}
+
+static int ip6_tnl_changelink(struct net_device *dev, struct nlattr *tb[],
+ struct nlattr *data[])
+{
+ struct ip6_tnl *t;
+ struct __ip6_tnl_parm p;
+ struct net *net = dev_net(dev);
+ struct ip6_tnl_net *ip6n = net_generic(net, ip6_tnl_net_id);
+
+ if (dev == ip6n->fb_tnl_dev)
+ return -EINVAL;
+
+ ip6_tnl_netlink_parms(data, &p);
+
+ t = ip6_tnl_locate(net, &p, 0);
+
+ if (t) {
+ if (t->dev != dev)
+ return -EEXIST;
+ } else
+ t = netdev_priv(dev);
+
+ return ip6_tnl_update(t, &p);
+}
+
+static size_t ip6_tnl_get_size(const struct net_device *dev)
{
return
/* IFLA_IPTUN_LINK */
@@ -1523,10 +1633,12 @@ static size_t ip6_get_size(const struct net_device *dev)
nla_total_size(4) +
/* IFLA_IPTUN_FLAGS */
nla_total_size(4) +
+ /* IFLA_IPTUN_PROTO */
+ nla_total_size(1) +
0;
}
-static int ip6_fill_info(struct sk_buff *skb, const struct net_device *dev)
+static int ip6_tnl_fill_info(struct sk_buff *skb, const struct net_device *dev)
{
struct ip6_tnl *tunnel = netdev_priv(dev);
struct __ip6_tnl_parm *parm = &tunnel->parms;
@@ -1539,7 +1651,8 @@ static int ip6_fill_info(struct sk_buff *skb, const struct net_device *dev)
nla_put_u8(skb, IFLA_IPTUN_TTL, parm->hop_limit) ||
nla_put_u8(skb, IFLA_IPTUN_ENCAP_LIMIT, parm->encap_limit) ||
nla_put_be32(skb, IFLA_IPTUN_FLOWINFO, parm->flowinfo) ||
- nla_put_u32(skb, IFLA_IPTUN_FLAGS, parm->flags))
+ nla_put_u32(skb, IFLA_IPTUN_FLAGS, parm->flags) ||
+ nla_put_u8(skb, IFLA_IPTUN_PROTO, parm->proto))
goto nla_put_failure;
return 0;
@@ -1547,12 +1660,28 @@ nla_put_failure:
return -EMSGSIZE;
}
+static const struct nla_policy ip6_tnl_policy[IFLA_IPTUN_MAX + 1] = {
+ [IFLA_IPTUN_LINK] = { .type = NLA_U32 },
+ [IFLA_IPTUN_LOCAL] = { .len = sizeof(struct in6_addr) },
+ [IFLA_IPTUN_REMOTE] = { .len = sizeof(struct in6_addr) },
+ [IFLA_IPTUN_TTL] = { .type = NLA_U8 },
+ [IFLA_IPTUN_ENCAP_LIMIT] = { .type = NLA_U8 },
+ [IFLA_IPTUN_FLOWINFO] = { .type = NLA_U32 },
+ [IFLA_IPTUN_FLAGS] = { .type = NLA_U32 },
+ [IFLA_IPTUN_PROTO] = { .type = NLA_U8 },
+};
+
static struct rtnl_link_ops ip6_link_ops __read_mostly = {
.kind = "ip6tnl",
.maxtype = IFLA_IPTUN_MAX,
+ .policy = ip6_tnl_policy,
.priv_size = sizeof(struct ip6_tnl),
- .get_size = ip6_get_size,
- .fill_info = ip6_fill_info,
+ .setup = ip6_tnl_dev_setup,
+ .validate = ip6_tnl_validate,
+ .newlink = ip6_tnl_newlink,
+ .changelink = ip6_tnl_changelink,
+ .get_size = ip6_tnl_get_size,
+ .fill_info = ip6_tnl_fill_info,
};
static struct xfrm6_tunnel ip4ip6_handler __read_mostly = {
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 30458726accf..11249d211ea9 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -1371,12 +1371,6 @@ out:
return entries > rt_max_size;
}
-/* Clean host part of a prefix. Not necessary in radix tree,
- but results in cleaner routing tables.
-
- Remove it only when all the things will work!
- */
-
int ip6_dst_hoplimit(struct dst_entry *dst)
{
int hoplimit = dst_metric_raw(dst, RTAX_HOPLIMIT);
diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c
index b543c56cad28..7bd2a061e511 100644
--- a/net/ipv6/sit.c
+++ b/net/ipv6/sit.c
@@ -81,22 +81,6 @@ struct sit_net {
struct net_device *fb_tunnel_dev;
};
-/*
- * Locking : hash tables are protected by RCU and RTNL
- */
-
-#define for_each_ip_tunnel_rcu(start) \
- for (t = rcu_dereference(start); t; t = rcu_dereference(t->next))
-
-/* often modified stats are per cpu, other are shared (netdev->stats) */
-struct pcpu_tstats {
- u64 rx_packets;
- u64 rx_bytes;
- u64 tx_packets;
- u64 tx_bytes;
- struct u64_stats_sync syncp;
-};
-
static struct rtnl_link_stats64 *ipip6_get_stats64(struct net_device *dev,
struct rtnl_link_stats64 *tot)
{
@@ -142,20 +126,20 @@ static struct ip_tunnel *ipip6_tunnel_lookup(struct net *net,
struct ip_tunnel *t;
struct sit_net *sitn = net_generic(net, sit_net_id);
- for_each_ip_tunnel_rcu(sitn->tunnels_r_l[h0 ^ h1]) {
+ for_each_ip_tunnel_rcu(t, sitn->tunnels_r_l[h0 ^ h1]) {
if (local == t->parms.iph.saddr &&
remote == t->parms.iph.daddr &&
(!dev || !t->parms.link || dev->iflink == t->parms.link) &&
(t->dev->flags & IFF_UP))
return t;
}
- for_each_ip_tunnel_rcu(sitn->tunnels_r[h0]) {
+ for_each_ip_tunnel_rcu(t, sitn->tunnels_r[h0]) {
if (remote == t->parms.iph.daddr &&
(!dev || !t->parms.link || dev->iflink == t->parms.link) &&
(t->dev->flags & IFF_UP))
return t;
}
- for_each_ip_tunnel_rcu(sitn->tunnels_l[h1]) {
+ for_each_ip_tunnel_rcu(t, sitn->tunnels_l[h1]) {
if (local == t->parms.iph.saddr &&
(!dev || !t->parms.link || dev->iflink == t->parms.link) &&
(t->dev->flags & IFF_UP))
@@ -232,6 +216,37 @@ static void ipip6_tunnel_clone_6rd(struct net_device *dev, struct sit_net *sitn)
#endif
}
+static int ipip6_tunnel_create(struct net_device *dev)
+{
+ struct ip_tunnel *t = netdev_priv(dev);
+ struct net *net = dev_net(dev);
+ struct sit_net *sitn = net_generic(net, sit_net_id);
+ int err;
+
+ err = ipip6_tunnel_init(dev);
+ if (err < 0)
+ goto out;
+ ipip6_tunnel_clone_6rd(dev, sitn);
+
+ if (t->parms.i_flags & SIT_ISATAP)
+ dev->priv_flags |= IFF_ISATAP;
+
+ err = register_netdevice(dev);
+ if (err < 0)
+ goto out;
+
+ strcpy(t->parms.name, dev->name);
+ dev->rtnl_link_ops = &sit_link_ops;
+
+ dev_hold(dev);
+
+ ipip6_tunnel_link(sitn, t);
+ return 0;
+
+out:
+ return err;
+}
+
static struct ip_tunnel *ipip6_tunnel_locate(struct net *net,
struct ip_tunnel_parm *parms, int create)
{
@@ -272,22 +287,9 @@ static struct ip_tunnel *ipip6_tunnel_locate(struct net *net,
nt = netdev_priv(dev);
nt->parms = *parms;
- if (ipip6_tunnel_init(dev) < 0)
- goto failed_free;
- ipip6_tunnel_clone_6rd(dev, sitn);
-
- if (parms->i_flags & SIT_ISATAP)
- dev->priv_flags |= IFF_ISATAP;
-
- if (register_netdevice(dev) < 0)
+ if (ipip6_tunnel_create(dev) < 0)
goto failed_free;
- strcpy(nt->parms.name, dev->name);
- dev->rtnl_link_ops = &sit_link_ops;
-
- dev_hold(dev);
-
- ipip6_tunnel_link(sitn, nt);
return nt;
failed_free:
@@ -685,7 +687,6 @@ static netdev_tx_t ipip6_tunnel_xmit(struct sk_buff *skb,
struct net_device *dev)
{
struct ip_tunnel *tunnel = netdev_priv(dev);
- struct pcpu_tstats *tstats;
const struct iphdr *tiph = &tunnel->parms.iph;
const struct ipv6hdr *iph6 = ipv6_hdr(skb);
u8 tos = tunnel->parms.iph.tos;
@@ -866,9 +867,7 @@ static netdev_tx_t ipip6_tunnel_xmit(struct sk_buff *skb,
if ((iph->ttl = tiph->ttl) == 0)
iph->ttl = iph6->hop_limit;
- nf_reset(skb);
- tstats = this_cpu_ptr(dev->tstats);
- __IPTUNNEL_XMIT(tstats, &dev->stats);
+ iptunnel_xmit(skb, dev);
return NETDEV_TX_OK;
tx_error_icmp:
@@ -916,6 +915,27 @@ static void ipip6_tunnel_bind_dev(struct net_device *dev)
dev->iflink = tunnel->parms.link;
}
+static void ipip6_tunnel_update(struct ip_tunnel *t, struct ip_tunnel_parm *p)
+{
+ struct net *net = dev_net(t->dev);
+ struct sit_net *sitn = net_generic(net, sit_net_id);
+
+ ipip6_tunnel_unlink(sitn, t);
+ synchronize_net();
+ t->parms.iph.saddr = p->iph.saddr;
+ t->parms.iph.daddr = p->iph.daddr;
+ memcpy(t->dev->dev_addr, &p->iph.saddr, 4);
+ memcpy(t->dev->broadcast, &p->iph.daddr, 4);
+ ipip6_tunnel_link(sitn, t);
+ t->parms.iph.ttl = p->iph.ttl;
+ t->parms.iph.tos = p->iph.tos;
+ if (t->parms.link != p->link) {
+ t->parms.link = p->link;
+ ipip6_tunnel_bind_dev(t->dev);
+ }
+ netdev_state_change(t->dev);
+}
+
static int
ipip6_tunnel_ioctl (struct net_device *dev, struct ifreq *ifr, int cmd)
{
@@ -997,28 +1017,13 @@ ipip6_tunnel_ioctl (struct net_device *dev, struct ifreq *ifr, int cmd)
break;
}
t = netdev_priv(dev);
- ipip6_tunnel_unlink(sitn, t);
- synchronize_net();
- t->parms.iph.saddr = p.iph.saddr;
- t->parms.iph.daddr = p.iph.daddr;
- memcpy(dev->dev_addr, &p.iph.saddr, 4);
- memcpy(dev->broadcast, &p.iph.daddr, 4);
- ipip6_tunnel_link(sitn, t);
- netdev_state_change(dev);
}
+
+ ipip6_tunnel_update(t, &p);
}
if (t) {
err = 0;
- if (cmd == SIOCCHGTUNNEL) {
- t->parms.iph.ttl = p.iph.ttl;
- t->parms.iph.tos = p.iph.tos;
- if (t->parms.link != p.link) {
- t->parms.link = p.link;
- ipip6_tunnel_bind_dev(dev);
- netdev_state_change(dev);
- }
- }
if (copy_to_user(ifr->ifr_ifru.ifru_data, &t->parms, sizeof(p)))
err = -EFAULT;
} else
@@ -1218,7 +1223,89 @@ static int __net_init ipip6_fb_tunnel_init(struct net_device *dev)
return 0;
}
-static size_t sit_get_size(const struct net_device *dev)
+static void ipip6_netlink_parms(struct nlattr *data[],
+ struct ip_tunnel_parm *parms)
+{
+ memset(parms, 0, sizeof(*parms));
+
+ parms->iph.version = 4;
+ parms->iph.protocol = IPPROTO_IPV6;
+ parms->iph.ihl = 5;
+ parms->iph.ttl = 64;
+
+ if (!data)
+ return;
+
+ if (data[IFLA_IPTUN_LINK])
+ parms->link = nla_get_u32(data[IFLA_IPTUN_LINK]);
+
+ if (data[IFLA_IPTUN_LOCAL])
+ parms->iph.saddr = nla_get_u32(data[IFLA_IPTUN_LOCAL]);
+
+ if (data[IFLA_IPTUN_REMOTE])
+ parms->iph.daddr = nla_get_u32(data[IFLA_IPTUN_REMOTE]);
+
+ if (data[IFLA_IPTUN_TTL]) {
+ parms->iph.ttl = nla_get_u8(data[IFLA_IPTUN_TTL]);
+ if (parms->iph.ttl)
+ parms->iph.frag_off = htons(IP_DF);
+ }
+
+ if (data[IFLA_IPTUN_TOS])
+ parms->iph.tos = nla_get_u8(data[IFLA_IPTUN_TOS]);
+
+ if (!data[IFLA_IPTUN_PMTUDISC] || nla_get_u8(data[IFLA_IPTUN_PMTUDISC]))
+ parms->iph.frag_off = htons(IP_DF);
+
+ if (data[IFLA_IPTUN_FLAGS])
+ parms->i_flags = nla_get_u16(data[IFLA_IPTUN_FLAGS]);
+}
+
+static int ipip6_newlink(struct net *src_net, struct net_device *dev,
+ struct nlattr *tb[], struct nlattr *data[])
+{
+ struct net *net = dev_net(dev);
+ struct ip_tunnel *nt;
+
+ nt = netdev_priv(dev);
+ ipip6_netlink_parms(data, &nt->parms);
+
+ if (ipip6_tunnel_locate(net, &nt->parms, 0))
+ return -EEXIST;
+
+ return ipip6_tunnel_create(dev);
+}
+
+static int ipip6_changelink(struct net_device *dev, struct nlattr *tb[],
+ struct nlattr *data[])
+{
+ struct ip_tunnel *t;
+ struct ip_tunnel_parm p;
+ struct net *net = dev_net(dev);
+ struct sit_net *sitn = net_generic(net, sit_net_id);
+
+ if (dev == sitn->fb_tunnel_dev)
+ return -EINVAL;
+
+ ipip6_netlink_parms(data, &p);
+
+ if (((dev->flags & IFF_POINTOPOINT) && !p.iph.daddr) ||
+ (!(dev->flags & IFF_POINTOPOINT) && p.iph.daddr))
+ return -EINVAL;
+
+ t = ipip6_tunnel_locate(net, &p, 0);
+
+ if (t) {
+ if (t->dev != dev)
+ return -EEXIST;
+ } else
+ t = netdev_priv(dev);
+
+ ipip6_tunnel_update(t, &p);
+ return 0;
+}
+
+static size_t ipip6_get_size(const struct net_device *dev)
{
return
/* IFLA_IPTUN_LINK */
@@ -1231,10 +1318,14 @@ static size_t sit_get_size(const struct net_device *dev)
nla_total_size(1) +
/* IFLA_IPTUN_TOS */
nla_total_size(1) +
+ /* IFLA_IPTUN_PMTUDISC */
+ nla_total_size(1) +
+ /* IFLA_IPTUN_FLAGS */
+ nla_total_size(2) +
0;
}
-static int sit_fill_info(struct sk_buff *skb, const struct net_device *dev)
+static int ipip6_fill_info(struct sk_buff *skb, const struct net_device *dev)
{
struct ip_tunnel *tunnel = netdev_priv(dev);
struct ip_tunnel_parm *parm = &tunnel->parms;
@@ -1243,7 +1334,10 @@ static int sit_fill_info(struct sk_buff *skb, const struct net_device *dev)
nla_put_be32(skb, IFLA_IPTUN_LOCAL, parm->iph.saddr) ||
nla_put_be32(skb, IFLA_IPTUN_REMOTE, parm->iph.daddr) ||
nla_put_u8(skb, IFLA_IPTUN_TTL, parm->iph.ttl) ||
- nla_put_u8(skb, IFLA_IPTUN_TOS, parm->iph.tos))
+ nla_put_u8(skb, IFLA_IPTUN_TOS, parm->iph.tos) ||
+ nla_put_u8(skb, IFLA_IPTUN_PMTUDISC,
+ !!(parm->iph.frag_off & htons(IP_DF))) ||
+ nla_put_u16(skb, IFLA_IPTUN_FLAGS, parm->i_flags))
goto nla_put_failure;
return 0;
@@ -1251,12 +1345,26 @@ nla_put_failure:
return -EMSGSIZE;
}
+static const struct nla_policy ipip6_policy[IFLA_IPTUN_MAX + 1] = {
+ [IFLA_IPTUN_LINK] = { .type = NLA_U32 },
+ [IFLA_IPTUN_LOCAL] = { .type = NLA_U32 },
+ [IFLA_IPTUN_REMOTE] = { .type = NLA_U32 },
+ [IFLA_IPTUN_TTL] = { .type = NLA_U8 },
+ [IFLA_IPTUN_TOS] = { .type = NLA_U8 },
+ [IFLA_IPTUN_PMTUDISC] = { .type = NLA_U8 },
+ [IFLA_IPTUN_FLAGS] = { .type = NLA_U16 },
+};
+
static struct rtnl_link_ops sit_link_ops __read_mostly = {
.kind = "sit",
.maxtype = IFLA_IPTUN_MAX,
+ .policy = ipip6_policy,
.priv_size = sizeof(struct ip_tunnel),
- .get_size = sit_get_size,
- .fill_info = sit_fill_info,
+ .setup = ipip6_tunnel_setup,
+ .newlink = ipip6_newlink,
+ .changelink = ipip6_changelink,
+ .get_size = ipip6_get_size,
+ .fill_info = ipip6_fill_info,
};
static struct xfrm_tunnel sit_handler __read_mostly = {
generated by cgit v1.2.3 (git 2.46.0) at 2025-07-29 07:17:19 +0000