diff --git a/drivers/net/arcnet/com20020-pci.c b/drivers/net/arcnet/com20020-pci.c
index 945f532078e9..96edc1346124 100644
--- a/drivers/net/arcnet/com20020-pci.c
+++ b/drivers/net/arcnet/com20020-pci.c
@@ -214,8 +214,17 @@ static struct com20020_pci_card_info card_info_sohard = {
.flags = ARC_CAN_10MBIT,
};
-static struct com20020_pci_card_info card_info_eae = {
- .name = "EAE PLX-PCI",
+static struct com20020_pci_card_info card_info_eae_arc1 = {
+ .name = "EAE PLX-PCI ARC1",
+ .devcount = 1,
+ .chan_map_tbl = {
+ { 2, 0x00, 0x08 },
+ },
+ .flags = ARC_CAN_10MBIT,
+};
+
+static struct com20020_pci_card_info card_info_eae_ma1 = {
+ .name = "EAE PLX-PCI MA1",
.devcount = 2,
.chan_map_tbl = {
{ 2, 0x00, 0x08 },
@@ -357,11 +366,17 @@ static const struct pci_device_id com20020pci_id_table[] = {
0, 0,
(kernel_ulong_t)&card_info_sohard
},
+ {
+ 0x10B5, 0x9050,
+ 0x10B5, 0x3263,
+ 0, 0,
+ (kernel_ulong_t)&card_info_eae_arc1
+ },
{
0x10B5, 0x9050,
0x10B5, 0x3292,
0, 0,
- (kernel_ulong_t)&card_info_eae
+ (kernel_ulong_t)&card_info_eae_ma1
},
{
0x14BA, 0x6000,
diff --git a/drivers/net/ethernet/3com/3c589_cs.c b/drivers/net/ethernet/3com/3c589_cs.c
index f18647c23559..c5a320507556 100644
--- a/drivers/net/ethernet/3com/3c589_cs.c
+++ b/drivers/net/ethernet/3com/3c589_cs.c
@@ -518,11 +518,8 @@ static int el3_open(struct net_device *dev)
netif_start_queue(dev);
tc589_reset(dev);
- init_timer(&lp->media);
- lp->media.function = media_check;
- lp->media.data = (unsigned long) dev;
- lp->media.expires = jiffies + HZ;
- add_timer(&lp->media);
+ setup_timer(&lp->media, media_check, (unsigned long)dev);
+ mod_timer(&lp->media, jiffies + HZ);
dev_dbg(&link->dev, "%s: opened, status %4.4x.\n",
dev->name, inw(dev->base_addr + EL3_STATUS));
diff --git a/drivers/net/ethernet/agere/et131x.c b/drivers/net/ethernet/agere/et131x.c
index 384dc163851b..e0f3d197e7f2 100644
--- a/drivers/net/ethernet/agere/et131x.c
+++ b/drivers/net/ethernet/agere/et131x.c
@@ -3127,7 +3127,8 @@ static void et131x_error_timer_handler(unsigned long data)
}
/* This is a periodic timer, so reschedule */
- mod_timer(&adapter->error_timer, jiffies + TX_ERROR_PERIOD * HZ / 1000);
+ mod_timer(&adapter->error_timer, jiffies +
+ msecs_to_jiffies(TX_ERROR_PERIOD));
}
static void et131x_adapter_memory_free(struct et131x_adapter *adapter)
@@ -3647,7 +3648,8 @@ static int et131x_open(struct net_device *netdev)
/* Start the timer to track NIC errors */
init_timer(&adapter->error_timer);
- adapter->error_timer.expires = jiffies + TX_ERROR_PERIOD * HZ / 1000;
+ adapter->error_timer.expires = jiffies +
+ msecs_to_jiffies(TX_ERROR_PERIOD);
adapter->error_timer.function = et131x_error_timer_handler;
adapter->error_timer.data = (unsigned long)adapter;
add_timer(&adapter->error_timer);
diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_main.c b/drivers/net/ethernet/apm/xgene/xgene_enet_main.c
index 44b15373d6b3..4de62b210c85 100644
--- a/drivers/net/ethernet/apm/xgene/xgene_enet_main.c
+++ b/drivers/net/ethernet/apm/xgene/xgene_enet_main.c
@@ -1030,12 +1030,14 @@ static const struct acpi_device_id xgene_enet_acpi_match[] = {
MODULE_DEVICE_TABLE(acpi, xgene_enet_acpi_match);
#endif
+#ifdef CONFIG_OF
static struct of_device_id xgene_enet_of_match[] = {
{.compatible = "apm,xgene-enet",},
{},
};
MODULE_DEVICE_TABLE(of, xgene_enet_of_match);
+#endif
static struct platform_driver xgene_enet_driver = {
.driver = {
diff --git a/drivers/net/ethernet/broadcom/b44.c b/drivers/net/ethernet/broadcom/b44.c
index d86d6baf9681..bd5916a60cb5 100644
--- a/drivers/net/ethernet/broadcom/b44.c
+++ b/drivers/net/ethernet/broadcom/b44.c
@@ -121,7 +121,7 @@ static struct pci_driver b44_pci_driver = {
static const struct ssb_device_id b44_ssb_tbl[] = {
SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_ETHERNET, SSB_ANY_REV),
- SSB_DEVTABLE_END
+ {},
};
MODULE_DEVICE_TABLE(ssb, b44_ssb_tbl);
diff --git a/drivers/net/ethernet/broadcom/bgmac.c b/drivers/net/ethernet/broadcom/bgmac.c
index 3007d95fbb9f..676ffe093180 100644
--- a/drivers/net/ethernet/broadcom/bgmac.c
+++ b/drivers/net/ethernet/broadcom/bgmac.c
@@ -21,7 +21,7 @@
static const struct bcma_device_id bgmac_bcma_tbl[] = {
BCMA_CORE(BCMA_MANUF_BCM, BCMA_CORE_4706_MAC_GBIT, BCMA_ANY_REV, BCMA_ANY_CLASS),
BCMA_CORE(BCMA_MANUF_BCM, BCMA_CORE_MAC_GBIT, BCMA_ANY_REV, BCMA_ANY_CLASS),
- BCMA_CORETABLE_END
+ {},
};
MODULE_DEVICE_TABLE(bcma, bgmac_bcma_tbl);
@@ -1412,6 +1412,7 @@ static void bgmac_mii_unregister(struct bgmac *bgmac)
/* http://bcm-v4.sipsolutions.net/mac-gbit/gmac/chipattach */
static int bgmac_probe(struct bcma_device *core)
{
+ struct bcma_chipinfo *ci = &core->bus->chipinfo;
struct net_device *net_dev;
struct bgmac *bgmac;
struct ssb_sprom *sprom = &core->bus->sprom;
@@ -1474,8 +1475,8 @@ static int bgmac_probe(struct bcma_device *core)
bgmac_chip_reset(bgmac);
/* For Northstar, we have to take all GMAC core out of reset */
- if (core->id.id == BCMA_CHIP_ID_BCM4707 ||
- core->id.id == BCMA_CHIP_ID_BCM53018) {
+ if (ci->id == BCMA_CHIP_ID_BCM4707 ||
+ ci->id == BCMA_CHIP_ID_BCM53018) {
struct bcma_device *ns_core;
int ns_gmac;
diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c
index 615a6dbde047..23a019cee279 100644
--- a/drivers/net/ethernet/broadcom/tg3.c
+++ b/drivers/net/ethernet/broadcom/tg3.c
@@ -17855,8 +17855,10 @@ static int tg3_init_one(struct pci_dev *pdev,
*/
if ((tr32(HOSTCC_MODE) & HOSTCC_MODE_ENABLE) ||
(tr32(WDMAC_MODE) & WDMAC_MODE_ENABLE)) {
+ tg3_full_lock(tp, 0);
tw32(MEMARB_MODE, MEMARB_MODE_ENABLE);
tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
+ tg3_full_unlock(tp);
}
err = tg3_test_dma(tp);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/main.c b/drivers/net/ethernet/mellanox/mlx5/core/main.c
index d6651937d899..5394a8486558 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/main.c
@@ -291,6 +291,7 @@ static void copy_rw_fields(void *to, struct mlx5_caps *from)
MLX5_SET(cmd_hca_cap, to, log_max_ra_req_dc, from->gen.log_max_ra_req_dc);
MLX5_SET(cmd_hca_cap, to, log_max_ra_res_dc, from->gen.log_max_ra_res_dc);
MLX5_SET(cmd_hca_cap, to, pkey_table_size, to_fw_pkey_sz(from->gen.pkey_table_size));
+ MLX5_SET(cmd_hca_cap, to, log_uar_page_sz, PAGE_SHIFT - 12);
v64 = from->gen.flags & MLX5_CAP_BITS_RW_MASK;
*flags_off = cpu_to_be64(v64);
}
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h b/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h
index e56c1bb36141..fa4317611fd6 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h
@@ -848,10 +848,17 @@ struct qlcnic_cardrsp_tx_ctx {
#define QLCNIC_MAC_VLAN_ADD 3
#define QLCNIC_MAC_VLAN_DEL 4
+enum qlcnic_mac_type {
+ QLCNIC_UNICAST_MAC,
+ QLCNIC_MULTICAST_MAC,
+ QLCNIC_BROADCAST_MAC,
+};
+
struct qlcnic_mac_vlan_list {
struct list_head list;
uint8_t mac_addr[ETH_ALEN+2];
u16 vlan_id;
+ enum qlcnic_mac_type mac_type;
};
/* MAC Learn */
@@ -1615,7 +1622,9 @@ void qlcnic_watchdog_task(struct work_struct *work);
void qlcnic_post_rx_buffers(struct qlcnic_adapter *adapter,
struct qlcnic_host_rds_ring *rds_ring, u8 ring_id);
void qlcnic_set_multi(struct net_device *netdev);
-int qlcnic_nic_add_mac(struct qlcnic_adapter *, const u8 *, u16);
+void qlcnic_flush_mcast_mac(struct qlcnic_adapter *);
+int qlcnic_nic_add_mac(struct qlcnic_adapter *, const u8 *, u16,
+ enum qlcnic_mac_type);
int qlcnic_nic_del_mac(struct qlcnic_adapter *, const u8 *);
void qlcnic_82xx_free_mac_list(struct qlcnic_adapter *adapter);
int qlcnic_82xx_read_phys_port_id(struct qlcnic_adapter *);
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_hw.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_hw.c
index 69b46c051cc0..3e0f705a4311 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_hw.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_hw.c
@@ -487,7 +487,8 @@ int qlcnic_nic_del_mac(struct qlcnic_adapter *adapter, const u8 *addr)
return err;
}
-int qlcnic_nic_add_mac(struct qlcnic_adapter *adapter, const u8 *addr, u16 vlan)
+int qlcnic_nic_add_mac(struct qlcnic_adapter *adapter, const u8 *addr, u16 vlan,
+ enum qlcnic_mac_type mac_type)
{
struct qlcnic_mac_vlan_list *cur;
struct list_head *head;
@@ -513,10 +514,29 @@ int qlcnic_nic_add_mac(struct qlcnic_adapter *adapter, const u8 *addr, u16 vlan)
}
cur->vlan_id = vlan;
+ cur->mac_type = mac_type;
+
list_add_tail(&cur->list, &adapter->mac_list);
return 0;
}
+void qlcnic_flush_mcast_mac(struct qlcnic_adapter *adapter)
+{
+ struct qlcnic_mac_vlan_list *cur;
+ struct list_head *head, *tmp;
+
+ list_for_each_safe(head, tmp, &adapter->mac_list) {
+ cur = list_entry(head, struct qlcnic_mac_vlan_list, list);
+ if (cur->mac_type != QLCNIC_MULTICAST_MAC)
+ continue;
+
+ qlcnic_sre_macaddr_change(adapter, cur->mac_addr,
+ cur->vlan_id, QLCNIC_MAC_DEL);
+ list_del(&cur->list);
+ kfree(cur);
+ }
+}
+
static void __qlcnic_set_multi(struct net_device *netdev, u16 vlan)
{
struct qlcnic_adapter *adapter = netdev_priv(netdev);
@@ -530,8 +550,9 @@ static void __qlcnic_set_multi(struct net_device *netdev, u16 vlan)
if (!test_bit(__QLCNIC_FW_ATTACHED, &adapter->state))
return;
- qlcnic_nic_add_mac(adapter, adapter->mac_addr, vlan);
- qlcnic_nic_add_mac(adapter, bcast_addr, vlan);
+ qlcnic_nic_add_mac(adapter, adapter->mac_addr, vlan,
+ QLCNIC_UNICAST_MAC);
+ qlcnic_nic_add_mac(adapter, bcast_addr, vlan, QLCNIC_BROADCAST_MAC);
if (netdev->flags & IFF_PROMISC) {
if (!(adapter->flags & QLCNIC_PROMISC_DISABLED))
@@ -540,8 +561,10 @@ static void __qlcnic_set_multi(struct net_device *netdev, u16 vlan)
(netdev_mc_count(netdev) > ahw->max_mc_count)) {
mode = VPORT_MISS_MODE_ACCEPT_MULTI;
} else if (!netdev_mc_empty(netdev)) {
+ qlcnic_flush_mcast_mac(adapter);
netdev_for_each_mc_addr(ha, netdev)
- qlcnic_nic_add_mac(adapter, ha->addr, vlan);
+ qlcnic_nic_add_mac(adapter, ha->addr, vlan,
+ QLCNIC_MULTICAST_MAC);
}
/* configure unicast MAC address, if there is not sufficient space
@@ -551,7 +574,8 @@ static void __qlcnic_set_multi(struct net_device *netdev, u16 vlan)
mode = VPORT_MISS_MODE_ACCEPT_ALL;
} else if (!netdev_uc_empty(netdev)) {
netdev_for_each_uc_addr(ha, netdev)
- qlcnic_nic_add_mac(adapter, ha->addr, vlan);
+ qlcnic_nic_add_mac(adapter, ha->addr, vlan,
+ QLCNIC_UNICAST_MAC);
}
if (mode == VPORT_MISS_MODE_ACCEPT_ALL &&
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_common.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_common.c
index 1659c804f1d5..e6312465fe45 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_common.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_common.c
@@ -1489,7 +1489,8 @@ out:
return ret;
}
-static void qlcnic_vf_add_mc_list(struct net_device *netdev, const u8 *mac)
+static void qlcnic_vf_add_mc_list(struct net_device *netdev, const u8 *mac,
+ enum qlcnic_mac_type mac_type)
{
struct qlcnic_adapter *adapter = netdev_priv(netdev);
struct qlcnic_sriov *sriov = adapter->ahw->sriov;
@@ -1500,17 +1501,18 @@ static void qlcnic_vf_add_mc_list(struct net_device *netdev, const u8 *mac)
vf = &adapter->ahw->sriov->vf_info[0];
if (!qlcnic_sriov_check_any_vlan(vf)) {
- qlcnic_nic_add_mac(adapter, mac, 0);
+ qlcnic_nic_add_mac(adapter, mac, 0, mac_type);
} else {
spin_lock(&vf->vlan_list_lock);
for (i = 0; i < sriov->num_allowed_vlans; i++) {
vlan_id = vf->sriov_vlans[i];
if (vlan_id)
- qlcnic_nic_add_mac(adapter, mac, vlan_id);
+ qlcnic_nic_add_mac(adapter, mac, vlan_id,
+ mac_type);
}
spin_unlock(&vf->vlan_list_lock);
if (qlcnic_84xx_check(adapter))
- qlcnic_nic_add_mac(adapter, mac, 0);
+ qlcnic_nic_add_mac(adapter, mac, 0, mac_type);
}
}
@@ -1549,10 +1551,12 @@ void qlcnic_sriov_vf_set_multi(struct net_device *netdev)
(netdev_mc_count(netdev) > ahw->max_mc_count)) {
mode = VPORT_MISS_MODE_ACCEPT_MULTI;
} else {
- qlcnic_vf_add_mc_list(netdev, bcast_addr);
+ qlcnic_vf_add_mc_list(netdev, bcast_addr, QLCNIC_BROADCAST_MAC);
if (!netdev_mc_empty(netdev)) {
+ qlcnic_flush_mcast_mac(adapter);
netdev_for_each_mc_addr(ha, netdev)
- qlcnic_vf_add_mc_list(netdev, ha->addr);
+ qlcnic_vf_add_mc_list(netdev, ha->addr,
+ QLCNIC_MULTICAST_MAC);
}
}
@@ -1563,7 +1567,8 @@ void qlcnic_sriov_vf_set_multi(struct net_device *netdev)
mode = VPORT_MISS_MODE_ACCEPT_ALL;
} else if (!netdev_uc_empty(netdev)) {
netdev_for_each_uc_addr(ha, netdev)
- qlcnic_vf_add_mc_list(netdev, ha->addr);
+ qlcnic_vf_add_mc_list(netdev, ha->addr,
+ QLCNIC_UNICAST_MAC);
}
if (adapter->pdev->is_virtfn) {
diff --git a/drivers/net/ethernet/sun/sunvnet.c b/drivers/net/ethernet/sun/sunvnet.c
index 2b10b85d8a08..22e0cad1b4b5 100644
--- a/drivers/net/ethernet/sun/sunvnet.c
+++ b/drivers/net/ethernet/sun/sunvnet.c
@@ -1192,23 +1192,16 @@ static int vnet_handle_offloads(struct vnet_port *port, struct sk_buff *skb)
skb_pull(skb, maclen);
if (port->tso && gso_size < datalen) {
+ if (skb_unclone(skb, GFP_ATOMIC))
+ goto out_dropped;
+
/* segment to TSO size */
skb_shinfo(skb)->gso_size = datalen;
skb_shinfo(skb)->gso_segs = gso_segs;
-
- segs = skb_gso_segment(skb, dev->features & ~NETIF_F_TSO);
-
- /* restore gso_size & gso_segs */
- skb_shinfo(skb)->gso_size = gso_size;
- skb_shinfo(skb)->gso_segs = DIV_ROUND_UP(skb->len - hlen,
- gso_size);
- } else
- segs = skb_gso_segment(skb, dev->features & ~NETIF_F_TSO);
- if (IS_ERR(segs)) {
- dev->stats.tx_dropped++;
- dev_kfree_skb_any(skb);
- return NETDEV_TX_OK;
}
+ segs = skb_gso_segment(skb, dev->features & ~NETIF_F_TSO);
+ if (IS_ERR(segs))
+ goto out_dropped;
skb_push(skb, maclen);
skb_reset_mac_header(skb);
@@ -1246,6 +1239,10 @@ static int vnet_handle_offloads(struct vnet_port *port, struct sk_buff *skb)
if (!(status & NETDEV_TX_MASK))
dev_kfree_skb_any(skb);
return status;
+out_dropped:
+ dev->stats.tx_dropped++;
+ dev_kfree_skb_any(skb);
+ return NETDEV_TX_OK;
}
static int vnet_start_xmit(struct sk_buff *skb, struct net_device *dev)
diff --git a/drivers/net/ipvlan/ipvlan.h b/drivers/net/ipvlan/ipvlan.h
index 2729f64b3e7e..924ea98bd531 100644
--- a/drivers/net/ipvlan/ipvlan.h
+++ b/drivers/net/ipvlan/ipvlan.h
@@ -67,7 +67,7 @@ struct ipvl_dev {
struct list_head addrs;
int ipv4cnt;
int ipv6cnt;
- struct ipvl_pcpu_stats *pcpu_stats;
+ struct ipvl_pcpu_stats __percpu *pcpu_stats;
DECLARE_BITMAP(mac_filters, IPVLAN_MAC_FILTER_SIZE);
netdev_features_t sfeatures;
u32 msg_enable;
diff --git a/drivers/net/phy/micrel.c b/drivers/net/phy/micrel.c
index 3ad8ca76196d..1190fd8f0088 100644
--- a/drivers/net/phy/micrel.c
+++ b/drivers/net/phy/micrel.c
@@ -32,6 +32,7 @@
/* Operation Mode Strap Override */
#define MII_KSZPHY_OMSO 0x16
#define KSZPHY_OMSO_B_CAST_OFF BIT(9)
+#define KSZPHY_OMSO_NAND_TREE_ON BIT(5)
#define KSZPHY_OMSO_RMII_OVERRIDE BIT(1)
#define KSZPHY_OMSO_MII_OVERRIDE BIT(0)
@@ -76,6 +77,7 @@ struct kszphy_type {
u32 led_mode_reg;
u16 interrupt_level_mask;
bool has_broadcast_disable;
+ bool has_nand_tree_disable;
bool has_rmii_ref_clk_sel;
};
@@ -89,6 +91,7 @@ struct kszphy_priv {
static const struct kszphy_type ksz8021_type = {
.led_mode_reg = MII_KSZPHY_CTRL_2,
.has_broadcast_disable = true,
+ .has_nand_tree_disable = true,
.has_rmii_ref_clk_sel = true,
};
@@ -98,11 +101,13 @@ static const struct kszphy_type ksz8041_type = {
static const struct kszphy_type ksz8051_type = {
.led_mode_reg = MII_KSZPHY_CTRL_2,
+ .has_nand_tree_disable = true,
};
static const struct kszphy_type ksz8081_type = {
.led_mode_reg = MII_KSZPHY_CTRL_2,
.has_broadcast_disable = true,
+ .has_nand_tree_disable = true,
.has_rmii_ref_clk_sel = true,
};
@@ -231,6 +236,26 @@ out:
return ret;
}
+static int kszphy_nand_tree_disable(struct phy_device *phydev)
+{
+ int ret;
+
+ ret = phy_read(phydev, MII_KSZPHY_OMSO);
+ if (ret < 0)
+ goto out;
+
+ if (!(ret & KSZPHY_OMSO_NAND_TREE_ON))
+ return 0;
+
+ ret = phy_write(phydev, MII_KSZPHY_OMSO,
+ ret & ~KSZPHY_OMSO_NAND_TREE_ON);
+out:
+ if (ret)
+ dev_err(&phydev->dev, "failed to disable NAND tree mode\n");
+
+ return ret;
+}
+
static int kszphy_config_init(struct phy_device *phydev)
{
struct kszphy_priv *priv = phydev->priv;
@@ -245,6 +270,9 @@ static int kszphy_config_init(struct phy_device *phydev)
if (type->has_broadcast_disable)
kszphy_broadcast_disable(phydev);
+ if (type->has_nand_tree_disable)
+ kszphy_nand_tree_disable(phydev);
+
if (priv->rmii_ref_clk_sel) {
ret = kszphy_rmii_clk_sel(phydev, priv->rmii_ref_clk_sel_val);
if (ret) {
diff --git a/drivers/net/usb/hso.c b/drivers/net/usb/hso.c
index 6b8efcabb816..9cdfb3fe9c15 100644
--- a/drivers/net/usb/hso.c
+++ b/drivers/net/usb/hso.c
@@ -914,7 +914,7 @@ static void packetizeRx(struct hso_net *odev, unsigned char *ip_pkt,
/* We got no receive buffer. */
D1("could not allocate memory");
odev->rx_parse_state = WAIT_SYNC;
- return;
+ continue;
}
/* Copy what we got so far. make room for iphdr
diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c
index 5980ac6c48dd..438fc6bcaef1 100644
--- a/drivers/net/usb/r8152.c
+++ b/drivers/net/usb/r8152.c
@@ -40,6 +40,7 @@
#define PLA_RXFIFO_CTRL0 0xc0a0
#define PLA_RXFIFO_CTRL1 0xc0a4
#define PLA_RXFIFO_CTRL2 0xc0a8
+#define PLA_DMY_REG0 0xc0b0
#define PLA_FMC 0xc0b4
#define PLA_CFG_WOL 0xc0b6
#define PLA_TEREDO_CFG 0xc0bc
@@ -90,8 +91,14 @@
#define PLA_BP_7 0xfc36
#define PLA_BP_EN 0xfc38
+#define USB_USB2PHY 0xb41e
+#define USB_SSPHYLINK2 0xb428
#define USB_U2P3_CTRL 0xb460
+#define USB_CSR_DUMMY1 0xb464
+#define USB_CSR_DUMMY2 0xb466
#define USB_DEV_STAT 0xb808
+#define USB_CONNECT_TIMER 0xcbf8
+#define USB_BURST_SIZE 0xcfc0
#define USB_USB_CTRL 0xd406
#define USB_PHY_CTRL 0xd408
#define USB_TX_AGG 0xd40a
@@ -170,6 +177,9 @@
#define TXFIFO_THR_NORMAL 0x00400008
#define TXFIFO_THR_NORMAL2 0x01000008
+/* PLA_DMY_REG0 */
+#define ECM_ALDPS 0x0002
+
/* PLA_FMC */
#define FMC_FCR_MCU_EN 0x0001
@@ -289,6 +299,20 @@
/* PLA_BOOT_CTRL */
#define AUTOLOAD_DONE 0x0002
+/* USB_USB2PHY */
+#define USB2PHY_SUSPEND 0x0001
+#define USB2PHY_L1 0x0002
+
+/* USB_SSPHYLINK2 */
+#define pwd_dn_scale_mask 0x3ffe
+#define pwd_dn_scale(x) ((x) << 1)
+
+/* USB_CSR_DUMMY1 */
+#define DYNAMIC_BURST 0x0001
+
+/* USB_CSR_DUMMY2 */
+#define EP4_FULL_FC 0x0001
+
/* USB_DEV_STAT */
#define STAT_SPEED_MASK 0x0006
#define STAT_SPEED_HIGH 0x0000
@@ -334,9 +358,13 @@
#define TIMER11_EN 0x0001
/* USB_LPM_CTRL */
+/* bit 4 ~ 5: fifo empty boundary */
+#define FIFO_EMPTY_1FB 0x30 /* 0x1fb * 64 = 32448 bytes */
+/* bit 2 ~ 3: LMP timer */
#define LPM_TIMER_MASK 0x0c
#define LPM_TIMER_500MS 0x04 /* 500 ms */
#define LPM_TIMER_500US 0x0c /* 500 us */
+#define ROK_EXIT_LPM 0x02
/* USB_AFE_CTRL2 */
#define SEN_VAL_MASK 0xf800
@@ -3230,6 +3258,32 @@ static void r8153_init(struct r8152 *tp)
r8153_u2p3en(tp, false);
+ if (tp->version == RTL_VER_04) {
+ ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_SSPHYLINK2);
+ ocp_data &= ~pwd_dn_scale_mask;
+ ocp_data |= pwd_dn_scale(96);
+ ocp_write_word(tp, MCU_TYPE_USB, USB_SSPHYLINK2, ocp_data);
+
+ ocp_data = ocp_read_byte(tp, MCU_TYPE_USB, USB_USB2PHY);
+ ocp_data |= USB2PHY_L1 | USB2PHY_SUSPEND;
+ ocp_write_byte(tp, MCU_TYPE_USB, USB_USB2PHY, ocp_data);
+ } else if (tp->version == RTL_VER_05) {
+ ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_DMY_REG0);
+ ocp_data &= ~ECM_ALDPS;
+ ocp_write_byte(tp, MCU_TYPE_PLA, PLA_DMY_REG0, ocp_data);
+
+ ocp_data = ocp_read_byte(tp, MCU_TYPE_USB, USB_CSR_DUMMY1);
+ if (ocp_read_word(tp, MCU_TYPE_USB, USB_BURST_SIZE) == 0)
+ ocp_data &= ~DYNAMIC_BURST;
+ else
+ ocp_data |= DYNAMIC_BURST;
+ ocp_write_byte(tp, MCU_TYPE_USB, USB_CSR_DUMMY1, ocp_data);
+ }
+
+ ocp_data = ocp_read_byte(tp, MCU_TYPE_USB, USB_CSR_DUMMY2);
+ ocp_data |= EP4_FULL_FC;
+ ocp_write_byte(tp, MCU_TYPE_USB, USB_CSR_DUMMY2, ocp_data);
+
ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_WDT11_CTRL);
ocp_data &= ~TIMER11_EN;
ocp_write_word(tp, MCU_TYPE_USB, USB_WDT11_CTRL, ocp_data);
@@ -3238,8 +3292,7 @@ static void r8153_init(struct r8152 *tp)
ocp_data &= ~LED_MODE_MASK;
ocp_write_word(tp, MCU_TYPE_PLA, PLA_LED_FEATURE, ocp_data);
- ocp_data = ocp_read_byte(tp, MCU_TYPE_USB, USB_LPM_CTRL);
- ocp_data &= ~LPM_TIMER_MASK;
+ ocp_data = FIFO_EMPTY_1FB | ROK_EXIT_LPM;
if (tp->version == RTL_VER_04 && tp->udev->speed != USB_SPEED_SUPER)
ocp_data |= LPM_TIMER_500MS;
else
@@ -3251,6 +3304,8 @@ static void r8153_init(struct r8152 *tp)
ocp_data |= SEN_VAL_NORMAL | SEL_RXIDLE;
ocp_write_word(tp, MCU_TYPE_USB, USB_AFE_CTRL2, ocp_data);
+ ocp_write_word(tp, MCU_TYPE_USB, USB_CONNECT_TIMER, 0x0001);
+
r8153_power_cut_en(tp, false);
r8153_u1u2en(tp, true);
diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c
index 0e57e862c399..1e0a775ea882 100644
--- a/drivers/net/vxlan.c
+++ b/drivers/net/vxlan.c
@@ -555,12 +555,13 @@ static int vxlan_fdb_append(struct vxlan_fdb *f,
static struct vxlanhdr *vxlan_gro_remcsum(struct sk_buff *skb,
unsigned int off,
struct vxlanhdr *vh, size_t hdrlen,
- u32 data)
+ u32 data, struct gro_remcsum *grc,
+ bool nopartial)
{
size_t start, offset, plen;
if (skb->remcsum_offload)
- return vh;
+ return NULL;
if (!NAPI_GRO_CB(skb)->csum_valid)
return NULL;
@@ -579,7 +580,8 @@ static struct vxlanhdr *vxlan_gro_remcsum(struct sk_buff *skb,
return NULL;
}
- skb_gro_remcsum_process(skb, (void *)vh + hdrlen, start, offset);
+ skb_gro_remcsum_process(skb, (void *)vh + hdrlen,
+ start, offset, grc, nopartial);
skb->remcsum_offload = 1;
@@ -597,6 +599,9 @@ static struct sk_buff **vxlan_gro_receive(struct sk_buff **head,
struct vxlan_sock *vs = container_of(uoff, struct vxlan_sock,
udp_offloads);
u32 flags;
+ struct gro_remcsum grc;
+
+ skb_gro_remcsum_init(&grc);
off_vx = skb_gro_offset(skb);
hlen = off_vx + sizeof(*vh);
@@ -614,7 +619,9 @@ static struct sk_buff **vxlan_gro_receive(struct sk_buff **head,
if ((flags & VXLAN_HF_RCO) && (vs->flags & VXLAN_F_REMCSUM_RX)) {
vh = vxlan_gro_remcsum(skb, off_vx, vh, sizeof(struct vxlanhdr),
- ntohl(vh->vx_vni));
+ ntohl(vh->vx_vni), &grc,
+ !!(vs->flags &
+ VXLAN_F_REMCSUM_NOPARTIAL));
if (!vh)
goto out;
@@ -637,6 +644,7 @@ static struct sk_buff **vxlan_gro_receive(struct sk_buff **head,
pp = eth_gro_receive(head, skb);
out:
+ skb_gro_remcsum_cleanup(skb, &grc);
NAPI_GRO_CB(skb)->flush |= flush;
return pp;
@@ -1150,16 +1158,10 @@ static void vxlan_igmp_leave(struct work_struct *work)
}
static struct vxlanhdr *vxlan_remcsum(struct sk_buff *skb, struct vxlanhdr *vh,
- size_t hdrlen, u32 data)
+ size_t hdrlen, u32 data, bool nopartial)
{
size_t start, offset, plen;
- if (skb->remcsum_offload) {
- /* Already processed in GRO path */
- skb->remcsum_offload = 0;
- return vh;
- }
-
start = (data & VXLAN_RCO_MASK) << VXLAN_RCO_SHIFT;
offset = start + ((data & VXLAN_RCO_UDP) ?
offsetof(struct udphdr, check) :
@@ -1172,7 +1174,8 @@ static struct vxlanhdr *vxlan_remcsum(struct sk_buff *skb, struct vxlanhdr *vh,
vh = (struct vxlanhdr *)(udp_hdr(skb) + 1);
- skb_remcsum_process(skb, (void *)vh + hdrlen, start, offset);
+ skb_remcsum_process(skb, (void *)vh + hdrlen, start, offset,
+ nopartial);
return vh;
}
@@ -1209,7 +1212,8 @@ static int vxlan_udp_encap_recv(struct sock *sk, struct sk_buff *skb)
goto drop;
if ((flags & VXLAN_HF_RCO) && (vs->flags & VXLAN_F_REMCSUM_RX)) {
- vxh = vxlan_remcsum(skb, vxh, sizeof(struct vxlanhdr), vni);
+ vxh = vxlan_remcsum(skb, vxh, sizeof(struct vxlanhdr), vni,
+ !!(vs->flags & VXLAN_F_REMCSUM_NOPARTIAL));
if (!vxh)
goto drop;
@@ -2438,6 +2442,7 @@ static const struct nla_policy vxlan_policy[IFLA_VXLAN_MAX + 1] = {
[IFLA_VXLAN_REMCSUM_TX] = { .type = NLA_U8 },
[IFLA_VXLAN_REMCSUM_RX] = { .type = NLA_U8 },
[IFLA_VXLAN_GBP] = { .type = NLA_FLAG, },
+ [IFLA_VXLAN_REMCSUM_NOPARTIAL] = { .type = NLA_FLAG },
};
static int vxlan_validate(struct nlattr *tb[], struct nlattr *data[])
@@ -2761,6 +2766,9 @@ static int vxlan_newlink(struct net *src_net, struct net_device *dev,
if (data[IFLA_VXLAN_GBP])
vxlan->flags |= VXLAN_F_GBP;
+ if (data[IFLA_VXLAN_REMCSUM_NOPARTIAL])
+ vxlan->flags |= VXLAN_F_REMCSUM_NOPARTIAL;
+
if (vxlan_find_vni(src_net, vni, use_ipv6 ? AF_INET6 : AF_INET,
vxlan->dst_port, vxlan->flags)) {
pr_info("duplicate VNI %u\n", vni);
@@ -2910,6 +2918,10 @@ static int vxlan_fill_info(struct sk_buff *skb, const struct net_device *dev)
nla_put_flag(skb, IFLA_VXLAN_GBP))
goto nla_put_failure;
+ if (vxlan->flags & VXLAN_F_REMCSUM_NOPARTIAL &&
+ nla_put_flag(skb, IFLA_VXLAN_REMCSUM_NOPARTIAL))
+ goto nla_put_failure;
+
return 0;
nla_put_failure:
diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c
index 2c9088633ec6..ccbdb05b28cd 100644
--- a/drivers/net/wireless/b43/main.c
+++ b/drivers/net/wireless/b43/main.c
@@ -127,7 +127,7 @@ static const struct bcma_device_id b43_bcma_tbl[] = {
BCMA_CORE(BCMA_MANUF_BCM, BCMA_CORE_80211, 0x1E, BCMA_ANY_CLASS),
BCMA_CORE(BCMA_MANUF_BCM, BCMA_CORE_80211, 0x28, BCMA_ANY_CLASS),
BCMA_CORE(BCMA_MANUF_BCM, BCMA_CORE_80211, 0x2A, BCMA_ANY_CLASS),
- BCMA_CORETABLE_END
+ {},
};
MODULE_DEVICE_TABLE(bcma, b43_bcma_tbl);
#endif
@@ -144,7 +144,7 @@ static const struct ssb_device_id b43_ssb_tbl[] = {
SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_80211, 13),
SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_80211, 15),
SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_80211, 16),
- SSB_DEVTABLE_END
+ {},
};
MODULE_DEVICE_TABLE(ssb, b43_ssb_tbl);
#endif
diff --git a/drivers/net/wireless/b43legacy/main.c b/drivers/net/wireless/b43legacy/main.c
index 1aec2146a2bf..4e58c0069830 100644
--- a/drivers/net/wireless/b43legacy/main.c
+++ b/drivers/net/wireless/b43legacy/main.c
@@ -86,7 +86,7 @@ MODULE_PARM_DESC(fwpostfix, "Postfix for the firmware files to load.");
static const struct ssb_device_id b43legacy_ssb_tbl[] = {
SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_80211, 2),
SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_80211, 4),
- SSB_DEVTABLE_END
+ {},
};
MODULE_DEVICE_TABLE(ssb, b43legacy_ssb_tbl);
diff --git a/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c b/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c
index f95b52442281..48135063347e 100644
--- a/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c
+++ b/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c
@@ -99,7 +99,7 @@ static struct bcma_device_id brcms_coreid_table[] = {
BCMA_CORE(BCMA_MANUF_BCM, BCMA_CORE_80211, 17, BCMA_ANY_CLASS),
BCMA_CORE(BCMA_MANUF_BCM, BCMA_CORE_80211, 23, BCMA_ANY_CLASS),
BCMA_CORE(BCMA_MANUF_BCM, BCMA_CORE_80211, 24, BCMA_ANY_CLASS),
- BCMA_CORETABLE_END
+ {},
};
MODULE_DEVICE_TABLE(bcma, brcms_coreid_table);
diff --git a/drivers/net/wireless/rtlwifi/pci.c b/drivers/net/wireless/rtlwifi/pci.c
index ec456f0d972e..a62170ea0481 100644
--- a/drivers/net/wireless/rtlwifi/pci.c
+++ b/drivers/net/wireless/rtlwifi/pci.c
@@ -822,11 +822,8 @@ static void _rtl_pci_rx_interrupt(struct ieee80211_hw *hw)
/* get a new skb - if fail, old one will be reused */
new_skb = dev_alloc_skb(rtlpci->rxbuffersize);
- if (unlikely(!new_skb)) {
- pr_err("Allocation of new skb failed in %s\n",
- __func__);
+ if (unlikely(!new_skb))
goto no_new;
- }
if (rtlpriv->use_new_trx_flow) {
buffer_desc =
&rtlpci->rx_ring[rxring_idx].buffer_desc
diff --git a/drivers/spi/spi-bcm53xx.c b/drivers/spi/spi-bcm53xx.c
index 17b34cbadc03..3fb91c81015a 100644
--- a/drivers/spi/spi-bcm53xx.c
+++ b/drivers/spi/spi-bcm53xx.c
@@ -216,7 +216,7 @@ static struct spi_board_info bcm53xx_info = {
static const struct bcma_device_id bcm53xxspi_bcma_tbl[] = {
BCMA_CORE(BCMA_MANUF_BCM, BCMA_CORE_NS_QSPI, BCMA_ANY_REV, BCMA_ANY_CLASS),
- BCMA_CORETABLE_END
+ {},
};
MODULE_DEVICE_TABLE(bcma, bcm53xxspi_bcma_tbl);
diff --git a/drivers/ssb/driver_gige.c b/drivers/ssb/driver_gige.c
index 21f71a1581fa..e9734051e3c4 100644
--- a/drivers/ssb/driver_gige.c
+++ b/drivers/ssb/driver_gige.c
@@ -24,7 +24,7 @@ MODULE_LICENSE("GPL");
static const struct ssb_device_id ssb_gige_tbl[] = {
SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_ETHERNET_GBIT, SSB_ANY_REV),
- SSB_DEVTABLE_END
+ {},
};
/* MODULE_DEVICE_TABLE(ssb, ssb_gige_tbl); */
diff --git a/drivers/usb/host/bcma-hcd.c b/drivers/usb/host/bcma-hcd.c
index cd6d0afb6b8f..526cfab41d5f 100644
--- a/drivers/usb/host/bcma-hcd.c
+++ b/drivers/usb/host/bcma-hcd.c
@@ -306,7 +306,7 @@ static int bcma_hcd_resume(struct bcma_device *dev)
static const struct bcma_device_id bcma_hcd_table[] = {
BCMA_CORE(BCMA_MANUF_BCM, BCMA_CORE_USB20_HOST, BCMA_ANY_REV, BCMA_ANY_CLASS),
- BCMA_CORETABLE_END
+ {},
};
MODULE_DEVICE_TABLE(bcma, bcma_hcd_table);
diff --git a/drivers/usb/host/ssb-hcd.c b/drivers/usb/host/ssb-hcd.c
index 0196f766df73..ffc32f4b1b1b 100644
--- a/drivers/usb/host/ssb-hcd.c
+++ b/drivers/usb/host/ssb-hcd.c
@@ -251,7 +251,7 @@ static const struct ssb_device_id ssb_hcd_table[] = {
SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_USB11_HOSTDEV, SSB_ANY_REV),
SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_USB11_HOST, SSB_ANY_REV),
SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_USB20_HOST, SSB_ANY_REV),
- SSB_DEVTABLE_END
+ {},
};
MODULE_DEVICE_TABLE(ssb, ssb_hcd_table);
diff --git a/drivers/vhost/net.c b/drivers/vhost/net.c
index 8dccca9013ed..afa06d28725d 100644
--- a/drivers/vhost/net.c
+++ b/drivers/vhost/net.c
@@ -528,9 +528,9 @@ static void handle_rx(struct vhost_net *net)
.msg_controllen = 0,
.msg_flags = MSG_DONTWAIT,
};
- struct virtio_net_hdr_mrg_rxbuf hdr = {
- .hdr.flags = 0,
- .hdr.gso_type = VIRTIO_NET_HDR_GSO_NONE
+ struct virtio_net_hdr hdr = {
+ .flags = 0,
+ .gso_type = VIRTIO_NET_HDR_GSO_NONE
};
size_t total_len = 0;
int err, mergeable;
@@ -539,6 +539,7 @@ static void handle_rx(struct vhost_net *net)
size_t vhost_len, sock_len;
struct socket *sock;
struct iov_iter fixup;
+ __virtio16 num_buffers;
mutex_lock(&vq->mutex);
sock = vq->private_data;
@@ -616,9 +617,9 @@ static void handle_rx(struct vhost_net *net)
}
/* TODO: Should check and handle checksum. */
- hdr.num_buffers = cpu_to_vhost16(vq, headcount);
+ num_buffers = cpu_to_vhost16(vq, headcount);
if (likely(mergeable) &&
- copy_to_iter(&hdr.num_buffers, 2, &fixup) != 2) {
+ copy_to_iter(&num_buffers, 2, &fixup) != 2) {
vq_err(vq, "Failed num_buffers write");
vhost_discard_vq_desc(vq, headcount);
break;
diff --git a/include/linux/mod_devicetable.h b/include/linux/mod_devicetable.h
index 2e75ab00dbf2..e530533b94be 100644
--- a/include/linux/mod_devicetable.h
+++ b/include/linux/mod_devicetable.h
@@ -364,8 +364,6 @@ struct ssb_device_id {
} __attribute__((packed, aligned(2)));
#define SSB_DEVICE(_vendor, _coreid, _revision) \
{ .vendor = _vendor, .coreid = _coreid, .revision = _revision, }
-#define SSB_DEVTABLE_END \
- { 0, },
#define SSB_ANY_VENDOR 0xFFFF
#define SSB_ANY_ID 0xFFFF
@@ -380,8 +378,6 @@ struct bcma_device_id {
} __attribute__((packed,aligned(2)));
#define BCMA_CORE(_manuf, _id, _rev, _class) \
{ .manuf = _manuf, .id = _id, .rev = _rev, .class = _class, }
-#define BCMA_CORETABLE_END \
- { 0, },
#define BCMA_ANY_MANUF 0xFFFF
#define BCMA_ANY_ID 0xFFFF
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index d115256ed5a2..5897b4ea5a3f 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -1923,13 +1923,8 @@ struct napi_gro_cb {
/* Number of segments aggregated. */
u16 count;
- /* This is non-zero if the packet may be of the same flow. */
- u8 same_flow;
-
- /* Free the skb? */
- u8 free;
-#define NAPI_GRO_FREE 1
-#define NAPI_GRO_FREE_STOLEN_HEAD 2
+ /* Start offset for remote checksum offload */
+ u16 gro_remcsum_start;
/* jiffies when first packet was created/queued */
unsigned long age;
@@ -1937,6 +1932,9 @@ struct napi_gro_cb {
/* Used in ipv6_gro_receive() and foo-over-udp */
u16 proto;
+ /* This is non-zero if the packet may be of the same flow. */
+ u8 same_flow:1;
+
/* Used in udp_gro_receive */
u8 udp_mark:1;
@@ -1946,9 +1944,16 @@ struct napi_gro_cb {
/* Number of checksums via CHECKSUM_UNNECESSARY */
u8 csum_cnt:3;
+ /* Free the skb? */
+ u8 free:2;
+#define NAPI_GRO_FREE 1
+#define NAPI_GRO_FREE_STOLEN_HEAD 2
+
/* Used in foo-over-udp, set in udp[46]_gro_receive */
u8 is_ipv6:1;
+ /* 7 bit hole */
+
/* used to support CHECKSUM_COMPLETE for tunneling protocols */
__wsum csum;
@@ -2242,11 +2247,20 @@ static inline void skb_gro_postpull_rcsum(struct sk_buff *skb,
__sum16 __skb_gro_checksum_complete(struct sk_buff *skb);
+static inline bool skb_at_gro_remcsum_start(struct sk_buff *skb)
+{
+ return (NAPI_GRO_CB(skb)->gro_remcsum_start - skb_headroom(skb) ==
+ skb_gro_offset(skb));
+}
+
static inline bool __skb_gro_checksum_validate_needed(struct sk_buff *skb,
bool zero_okay,
__sum16 check)
{
- return (skb->ip_summed != CHECKSUM_PARTIAL &&
+ return ((skb->ip_summed != CHECKSUM_PARTIAL ||
+ skb_checksum_start_offset(skb) <
+ skb_gro_offset(skb)) &&
+ !skb_at_gro_remcsum_start(skb) &&
NAPI_GRO_CB(skb)->csum_cnt == 0 &&
(!zero_okay || check));
}
@@ -2321,20 +2335,48 @@ do { \
compute_pseudo(skb, proto)); \
} while (0)
+struct gro_remcsum {
+ int offset;
+ __wsum delta;
+};
+
+static inline void skb_gro_remcsum_init(struct gro_remcsum *grc)
+{
+ grc->delta = 0;
+}
+
static inline void skb_gro_remcsum_process(struct sk_buff *skb, void *ptr,
- int start, int offset)
+ int start, int offset,
+ struct gro_remcsum *grc,
+ bool nopartial)
{
__wsum delta;
BUG_ON(!NAPI_GRO_CB(skb)->csum_valid);
+ if (!nopartial) {
+ NAPI_GRO_CB(skb)->gro_remcsum_start =
+ ((unsigned char *)ptr + start) - skb->head;
+ return;
+ }
+
delta = remcsum_adjust(ptr, NAPI_GRO_CB(skb)->csum, start, offset);
/* Adjust skb->csum since we changed the packet */
- skb->csum = csum_add(skb->csum, delta);
NAPI_GRO_CB(skb)->csum = csum_add(NAPI_GRO_CB(skb)->csum, delta);
+
+ grc->offset = (ptr + offset) - (void *)skb->head;
+ grc->delta = delta;
}
+static inline void skb_gro_remcsum_cleanup(struct sk_buff *skb,
+ struct gro_remcsum *grc)
+{
+ if (!grc->delta)
+ return;
+
+ remcsum_unadjust((__sum16 *)(skb->head + grc->offset), grc->delta);
+}
static inline int dev_hard_header(struct sk_buff *skb, struct net_device *dev,
unsigned short type,
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 1bb36edb66b9..30007afe70b3 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -83,11 +83,15 @@
*
* CHECKSUM_PARTIAL:
*
- * This is identical to the case for output below. This may occur on a packet
+ * A checksum is set up to be offloaded to a device as described in the
+ * output description for CHECKSUM_PARTIAL. This may occur on a packet
* received directly from another Linux OS, e.g., a virtualized Linux kernel
- * on the same host. The packet can be treated in the same way as
- * CHECKSUM_UNNECESSARY, except that on output (i.e., forwarding) the
- * checksum must be filled in by the OS or the hardware.
+ * on the same host, or it may be set in the input path in GRO or remote
+ * checksum offload. For the purposes of checksum verification, the checksum
+ * referred to by skb->csum_start + skb->csum_offset and any preceding
+ * checksums in the packet are considered verified. Any checksums in the
+ * packet that are after the checksum being offloaded are not considered to
+ * be verified.
*
* B. Checksumming on output.
*
@@ -2915,7 +2919,10 @@ __sum16 __skb_checksum_complete(struct sk_buff *skb);
static inline int skb_csum_unnecessary(const struct sk_buff *skb)
{
- return ((skb->ip_summed & CHECKSUM_UNNECESSARY) || skb->csum_valid);
+ return ((skb->ip_summed == CHECKSUM_UNNECESSARY) ||
+ skb->csum_valid ||
+ (skb->ip_summed == CHECKSUM_PARTIAL &&
+ skb_checksum_start_offset(skb) >= 0));
}
/**
@@ -3097,16 +3104,29 @@ do { \
compute_pseudo(skb, proto)); \
} while (0)
+static inline void skb_remcsum_adjust_partial(struct sk_buff *skb, void *ptr,
+ u16 start, u16 offset)
+{
+ skb->ip_summed = CHECKSUM_PARTIAL;
+ skb->csum_start = ((unsigned char *)ptr + start) - skb->head;
+ skb->csum_offset = offset - start;
+}
+
/* Update skbuf and packet to reflect the remote checksum offload operation.
* When called, ptr indicates the starting point for skb->csum when
* ip_summed is CHECKSUM_COMPLETE. If we need create checksum complete
* here, skb_postpull_rcsum is done so skb->csum start is ptr.
*/
static inline void skb_remcsum_process(struct sk_buff *skb, void *ptr,
- int start, int offset)
+ int start, int offset, bool nopartial)
{
__wsum delta;
+ if (!nopartial) {
+ skb_remcsum_adjust_partial(skb, ptr, start, offset);
+ return;
+ }
+
if (unlikely(skb->ip_summed != CHECKSUM_COMPLETE)) {
__skb_checksum_complete(skb);
skb_postpull_rcsum(skb, skb->data, ptr - (void *)skb->data);
diff --git a/include/net/checksum.h b/include/net/checksum.h
index e339a9513e29..0a55ac715077 100644
--- a/include/net/checksum.h
+++ b/include/net/checksum.h
@@ -167,4 +167,9 @@ static inline __wsum remcsum_adjust(void *ptr, __wsum csum,
return delta;
}
+static inline void remcsum_unadjust(__sum16 *psum, __wsum delta)
+{
+ *psum = csum_fold(csum_sub(delta, *psum));
+}
+
#endif
diff --git a/include/net/vxlan.h b/include/net/vxlan.h
index 2927d6244481..eabd3a038674 100644
--- a/include/net/vxlan.h
+++ b/include/net/vxlan.h
@@ -128,13 +128,15 @@ struct vxlan_sock {
#define VXLAN_F_REMCSUM_TX 0x200
#define VXLAN_F_REMCSUM_RX 0x400
#define VXLAN_F_GBP 0x800
+#define VXLAN_F_REMCSUM_NOPARTIAL 0x1000
/* Flags that are used in the receive patch. These flags must match in
* order for a socket to be shareable
*/
#define VXLAN_F_RCV_FLAGS (VXLAN_F_GBP | \
VXLAN_F_UDP_ZERO_CSUM6_RX | \
- VXLAN_F_REMCSUM_RX)
+ VXLAN_F_REMCSUM_RX | \
+ VXLAN_F_REMCSUM_NOPARTIAL)
struct vxlan_sock *vxlan_sock_add(struct net *net, __be16 port,
vxlan_rcv_t *rcv, void *data,
diff --git a/include/uapi/linux/fou.h b/include/uapi/linux/fou.h
index 8df06894da23..c303588bb767 100644
--- a/include/uapi/linux/fou.h
+++ b/include/uapi/linux/fou.h
@@ -14,6 +14,7 @@ enum {
FOU_ATTR_AF, /* u8 */
FOU_ATTR_IPPROTO, /* u8 */
FOU_ATTR_TYPE, /* u8 */
+ FOU_ATTR_REMCSUM_NOPARTIAL, /* flag */
__FOU_ATTR_MAX,
};
diff --git a/include/uapi/linux/if_link.h b/include/uapi/linux/if_link.h
index 0deee3eeddbf..dfd0bb22e554 100644
--- a/include/uapi/linux/if_link.h
+++ b/include/uapi/linux/if_link.h
@@ -374,6 +374,7 @@ enum {
IFLA_VXLAN_REMCSUM_TX,
IFLA_VXLAN_REMCSUM_RX,
IFLA_VXLAN_GBP,
+ IFLA_VXLAN_REMCSUM_NOPARTIAL,
__IFLA_VXLAN_MAX
};
#define IFLA_VXLAN_MAX (__IFLA_VXLAN_MAX - 1)
diff --git a/net/bridge/br_netfilter.c b/net/bridge/br_netfilter.c
index 65728e0dc4ff..0ee453fad3de 100644
--- a/net/bridge/br_netfilter.c
+++ b/net/bridge/br_netfilter.c
@@ -987,15 +987,12 @@ static int __init br_netfilter_init(void)
if (brnf_sysctl_header == NULL) {
printk(KERN_WARNING
"br_netfilter: can't register to sysctl.\n");
- ret = -ENOMEM;
- goto err1;
+ nf_unregister_hooks(br_nf_ops, ARRAY_SIZE(br_nf_ops));
+ return -ENOMEM;
}
#endif
printk(KERN_NOTICE "Bridge firewalling registered\n");
return 0;
-err1:
- nf_unregister_hooks(br_nf_ops, ARRAY_SIZE(br_nf_ops));
- return ret;
}
static void __exit br_netfilter_fini(void)
diff --git a/net/core/dev.c b/net/core/dev.c
index d030575532a2..8f9710c62e20 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -4024,6 +4024,7 @@ static enum gro_result dev_gro_receive(struct napi_struct *napi, struct sk_buff
NAPI_GRO_CB(skb)->flush = 0;
NAPI_GRO_CB(skb)->free = 0;
NAPI_GRO_CB(skb)->udp_mark = 0;
+ NAPI_GRO_CB(skb)->gro_remcsum_start = 0;
/* Setup for GRO checksum validation */
switch (skb->ip_summed) {
@@ -5335,7 +5336,7 @@ EXPORT_SYMBOL(netdev_upper_dev_unlink);
/**
* netdev_bonding_info_change - Dispatch event about slave change
* @dev: device
- * @netdev_bonding_info: info to dispatch
+ * @bonding_info: info to dispatch
*
* Send NETDEV_BONDING_INFO to netdev notifiers with info.
* The caller must hold the RTNL lock.
diff --git a/net/core/filter.c b/net/core/filter.c
index ec9baea10c16..f6bdc2b1ba01 100644
--- a/net/core/filter.c
+++ b/net/core/filter.c
@@ -531,7 +531,7 @@ do_pass:
*insn = BPF_LDX_MEM(BPF_W, BPF_REG_A, BPF_REG_CTX, fp->k);
break;
- /* Unkown instruction. */
+ /* Unknown instruction. */
default:
goto err;
}
diff --git a/net/core/pktgen.c b/net/core/pktgen.c
index 9fa25b0ea145..b4899f5b7388 100644
--- a/net/core/pktgen.c
+++ b/net/core/pktgen.c
@@ -97,7 +97,7 @@
* New xmit() return, do_div and misc clean up by Stephen Hemminger
* <shemminger@osdl.org> 040923
*
- * Randy Dunlap fixed u64 printk compiler waring
+ * Randy Dunlap fixed u64 printk compiler warning
*
* Remove FCS from BW calculation. Lennert Buytenhek <buytenh@wantstofly.org>
* New time handling. Lennert Buytenhek <buytenh@wantstofly.org> 041213
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index 5be499b6a2d2..ab293a3066b3 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -2162,7 +2162,14 @@ replay:
}
err = rtnl_configure_link(dev, ifm);
if (err < 0) {
- unregister_netdevice(dev);
+ if (ops->newlink) {
+ LIST_HEAD(list_kill);
+
+ ops->dellink(dev, &list_kill);
+ unregister_netdevice_many(&list_kill);
+ } else {
+ unregister_netdevice(dev);
+ }
goto out;
}
diff --git a/net/dsa/slave.c b/net/dsa/slave.c
index d104ae15836f..f23deadf42a0 100644
--- a/net/dsa/slave.c
+++ b/net/dsa/slave.c
@@ -521,10 +521,13 @@ static int dsa_slave_phy_setup(struct dsa_slave_priv *p,
struct device_node *phy_dn, *port_dn;
bool phy_is_fixed = false;
u32 phy_flags = 0;
- int ret;
+ int mode, ret;
port_dn = cd->port_dn[p->port];
- p->phy_interface = of_get_phy_mode(port_dn);
+ mode = of_get_phy_mode(port_dn);
+ if (mode < 0)
+ mode = PHY_INTERFACE_MODE_NA;
+ p->phy_interface = mode;
phy_dn = of_parse_phandle(port_dn, "phy-handle", 0);
if (of_phy_is_fixed_link(port_dn)) {
@@ -559,6 +562,8 @@ static int dsa_slave_phy_setup(struct dsa_slave_priv *p,
if (!p->phy)
return -ENODEV;
+ /* Use already configured phy mode */
+ p->phy_interface = p->phy->interface;
phy_connect_direct(slave_dev, p->phy, dsa_slave_adjust_link,
p->phy_interface);
} else {
diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c
index f0b4a31d7bd6..3a8985c94581 100644
--- a/net/ipv4/devinet.c
+++ b/net/ipv4/devinet.c
@@ -1186,7 +1186,7 @@ __be32 inet_select_addr(const struct net_device *dev, __be32 dst, int scope)
no_in_dev:
/* Not loopback addresses on loopback should be preferred
- in this case. It is importnat that lo is the first interface
+ in this case. It is important that lo is the first interface
in dev_base list.
*/
for_each_netdev_rcu(net, dev) {
diff --git a/net/ipv4/fou.c b/net/ipv4/fou.c
index 92ddea1e6457..ff069f6597ac 100644
--- a/net/ipv4/fou.c
+++ b/net/ipv4/fou.c
@@ -22,14 +22,18 @@ static LIST_HEAD(fou_list);
struct fou {
struct socket *sock;
u8 protocol;
+ u8 flags;
u16 port;
struct udp_offload udp_offloads;
struct list_head list;
};
+#define FOU_F_REMCSUM_NOPARTIAL BIT(0)
+
struct fou_cfg {
u16 type;
u8 protocol;
+ u8 flags;
struct udp_port_cfg udp_config;
};
@@ -64,24 +68,20 @@ static int fou_udp_recv(struct sock *sk, struct sk_buff *skb)
}
static struct guehdr *gue_remcsum(struct sk_buff *skb, struct guehdr *guehdr,
- void *data, size_t hdrlen, u8 ipproto)
+ void *data, size_t hdrlen, u8 ipproto,
+ bool nopartial)
{
__be16 *pd = data;
size_t start = ntohs(pd[0]);
size_t offset = ntohs(pd[1]);
size_t plen = hdrlen + max_t(size_t, offset + sizeof(u16), start);
- if (skb->remcsum_offload) {
- /* Already processed in GRO path */
- skb->remcsum_offload = 0;
- return guehdr;
- }
-
if (!pskb_may_pull(skb, plen))
return NULL;
guehdr = (struct guehdr *)&udp_hdr(skb)[1];
- skb_remcsum_process(skb, (void *)guehdr + hdrlen, start, offset);
+ skb_remcsum_process(skb, (void *)guehdr + hdrlen,
+ start, offset, nopartial);
return guehdr;
}
@@ -142,7 +142,9 @@ static int gue_udp_recv(struct sock *sk, struct sk_buff *skb)
if (flags & GUE_PFLAG_REMCSUM) {
guehdr = gue_remcsum(skb, guehdr, data + doffset,
- hdrlen, guehdr->proto_ctype);
+ hdrlen, guehdr->proto_ctype,
+ !!(fou->flags &
+ FOU_F_REMCSUM_NOPARTIAL));
if (!guehdr)
goto drop;
@@ -214,7 +216,8 @@ out_unlock:
static struct guehdr *gue_gro_remcsum(struct sk_buff *skb, unsigned int off,
struct guehdr *guehdr, void *data,
- size_t hdrlen, u8 ipproto)
+ size_t hdrlen, u8 ipproto,
+ struct gro_remcsum *grc, bool nopartial)
{
__be16 *pd = data;
size_t start = ntohs(pd[0]);
@@ -222,7 +225,7 @@ static struct guehdr *gue_gro_remcsum(struct sk_buff *skb, unsigned int off,
size_t plen = hdrlen + max_t(size_t, offset + sizeof(u16), start);
if (skb->remcsum_offload)
- return guehdr;
+ return NULL;
if (!NAPI_GRO_CB(skb)->csum_valid)
return NULL;
@@ -234,7 +237,8 @@ static struct guehdr *gue_gro_remcsum(struct sk_buff *skb, unsigned int off,
return NULL;
}
- skb_gro_remcsum_process(skb, (void *)guehdr + hdrlen, start, offset);
+ skb_gro_remcsum_process(skb, (void *)guehdr + hdrlen,
+ start, offset, grc, nopartial);
skb->remcsum_offload = 1;
@@ -254,6 +258,10 @@ static struct sk_buff **gue_gro_receive(struct sk_buff **head,
void *data;
u16 doffset = 0;
int flush = 1;
+ struct fou *fou = container_of(uoff, struct fou, udp_offloads);
+ struct gro_remcsum grc;
+
+ skb_gro_remcsum_init(&grc);
off = skb_gro_offset(skb);
len = off + sizeof(*guehdr);
@@ -295,7 +303,9 @@ static struct sk_buff **gue_gro_receive(struct sk_buff **head,
if (flags & GUE_PFLAG_REMCSUM) {
guehdr = gue_gro_remcsum(skb, off, guehdr,
data + doffset, hdrlen,
- guehdr->proto_ctype);
+ guehdr->proto_ctype, &grc,
+ !!(fou->flags &
+ FOU_F_REMCSUM_NOPARTIAL));
if (!guehdr)
goto out;
@@ -345,6 +355,7 @@ out_unlock:
rcu_read_unlock();
out:
NAPI_GRO_CB(skb)->flush |= flush;
+ skb_gro_remcsum_cleanup(skb, &grc);
return pp;
}
@@ -455,6 +466,7 @@ static int fou_create(struct net *net, struct fou_cfg *cfg,
sk = sock->sk;
+ fou->flags = cfg->flags;
fou->port = cfg->udp_config.local_udp_port;
/* Initial for fou type */
@@ -541,6 +553,7 @@ static struct nla_policy fou_nl_policy[FOU_ATTR_MAX + 1] = {
[FOU_ATTR_AF] = { .type = NLA_U8, },
[FOU_ATTR_IPPROTO] = { .type = NLA_U8, },
[FOU_ATTR_TYPE] = { .type = NLA_U8, },
+ [FOU_ATTR_REMCSUM_NOPARTIAL] = { .type = NLA_FLAG, },
};
static int parse_nl_config(struct genl_info *info,
@@ -571,6 +584,9 @@ static int parse_nl_config(struct genl_info *info,
if (info->attrs[FOU_ATTR_TYPE])
cfg->type = nla_get_u8(info->attrs[FOU_ATTR_TYPE]);
+ if (info->attrs[FOU_ATTR_REMCSUM_NOPARTIAL])
+ cfg->flags |= FOU_F_REMCSUM_NOPARTIAL;
+
return 0;
}
diff --git a/net/ipv4/tcp_fastopen.c b/net/ipv4/tcp_fastopen.c
index 53db2c309572..ea82fd492c1b 100644
--- a/net/ipv4/tcp_fastopen.c
+++ b/net/ipv4/tcp_fastopen.c
@@ -134,6 +134,7 @@ static bool tcp_fastopen_create_child(struct sock *sk,
struct tcp_sock *tp;
struct request_sock_queue *queue = &inet_csk(sk)->icsk_accept_queue;
struct sock *child;
+ u32 end_seq;
req->num_retrans = 0;
req->num_timeout = 0;
@@ -185,20 +186,35 @@ static bool tcp_fastopen_create_child(struct sock *sk,
/* Queue the data carried in the SYN packet. We need to first
* bump skb's refcnt because the caller will attempt to free it.
+ * Note that IPv6 might also have used skb_get() trick
+ * in tcp_v6_conn_request() to keep this SYN around (treq->pktopts)
+ * So we need to eventually get a clone of the packet,
+ * before inserting it in sk_receive_queue.
*
* XXX (TFO) - we honor a zero-payload TFO request for now,
* (any reason not to?) but no need to queue the skb since
* there is no data. How about SYN+FIN?
*/
- if (TCP_SKB_CB(skb)->end_seq != TCP_SKB_CB(skb)->seq + 1) {
- skb = skb_get(skb);
- skb_dst_drop(skb);
- __skb_pull(skb, tcp_hdr(skb)->doff * 4);
- skb_set_owner_r(skb, child);
- __skb_queue_tail(&child->sk_receive_queue, skb);
- tp->syn_data_acked = 1;
+ end_seq = TCP_SKB_CB(skb)->end_seq;
+ if (end_seq != TCP_SKB_CB(skb)->seq + 1) {
+ struct sk_buff *skb2;
+
+ if (unlikely(skb_shared(skb)))
+ skb2 = skb_clone(skb, GFP_ATOMIC);
+ else
+ skb2 = skb_get(skb);
+
+ if (likely(skb2)) {
+ skb_dst_drop(skb2);
+ __skb_pull(skb2, tcp_hdrlen(skb));
+ skb_set_owner_r(skb2, child);
+ __skb_queue_tail(&child->sk_receive_queue, skb2);
+ tp->syn_data_acked = 1;
+ } else {
+ end_seq = TCP_SKB_CB(skb)->seq + 1;
+ }
}
- tcp_rsk(req)->rcv_nxt = tp->rcv_nxt = TCP_SKB_CB(skb)->end_seq;
+ tcp_rsk(req)->rcv_nxt = tp->rcv_nxt = end_seq;
sk->sk_data_ready(sk);
bh_unlock_sock(child);
sock_put(child);
diff --git a/net/ipv4/udp_offload.c b/net/ipv4/udp_offload.c
index d10f6f4ead27..4915d8284a86 100644
--- a/net/ipv4/udp_offload.c
+++ b/net/ipv4/udp_offload.c
@@ -402,6 +402,13 @@ int udp_gro_complete(struct sk_buff *skb, int nhoff)
}
rcu_read_unlock();
+
+ if (skb->remcsum_offload)
+ skb_shinfo(skb)->gso_type |= SKB_GSO_TUNNEL_REMCSUM;
+
+ skb->encapsulation = 1;
+ skb_set_inner_mac_header(skb, nhoff + sizeof(struct udphdr));
+
return err;
}
@@ -410,9 +417,13 @@ static int udp4_gro_complete(struct sk_buff *skb, int nhoff)
const struct iphdr *iph = ip_hdr(skb);
struct udphdr *uh = (struct udphdr *)(skb->data + nhoff);
- if (uh->check)
+ if (uh->check) {
+ skb_shinfo(skb)->gso_type |= SKB_GSO_UDP_TUNNEL_CSUM;
uh->check = ~udp_v4_check(skb->len - nhoff, iph->saddr,
iph->daddr, 0);
+ } else {
+ skb_shinfo(skb)->gso_type |= SKB_GSO_UDP_TUNNEL;
+ }
return udp_gro_complete(skb, nhoff);
}
diff --git a/net/ipv6/ip6_flowlabel.c b/net/ipv6/ip6_flowlabel.c
index 2f780cba6e12..f45d6db50a45 100644
--- a/net/ipv6/ip6_flowlabel.c
+++ b/net/ipv6/ip6_flowlabel.c
@@ -172,7 +172,7 @@ static void __net_exit ip6_fl_purge(struct net *net)
{
int i;
- spin_lock(&ip6_fl_lock);
+ spin_lock_bh(&ip6_fl_lock);
for (i = 0; i <= FL_HASH_MASK; i++) {
struct ip6_flowlabel *fl;
struct ip6_flowlabel __rcu **flp;
@@ -190,7 +190,7 @@ static void __net_exit ip6_fl_purge(struct net *net)
flp = &fl->next;
}
}
- spin_unlock(&ip6_fl_lock);
+ spin_unlock_bh(&ip6_fl_lock);
}
static struct ip6_flowlabel *fl_intern(struct net *net,
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index d33df4cbd872..7deebf102cba 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -1273,7 +1273,7 @@ emsgsize:
/* If this is the first and only packet and device
* supports checksum offloading, let's use it.
*/
- if (!skb &&
+ if (!skb && sk->sk_protocol == IPPROTO_UDP &&
length + fragheaderlen < mtu &&
rt->dst.dev->features & NETIF_F_V6_CSUM &&
!exthdrlen)
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 98565ce0ebcd..4688bd4d7f59 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -141,7 +141,7 @@ static u32 *ipv6_cow_metrics(struct dst_entry *dst, unsigned long old)
u32 *p = NULL;
if (!(rt->dst.flags & DST_HOST))
- return NULL;
+ return dst_cow_metrics_generic(dst, old);
peer = rt6_get_peer_create(rt);
if (peer) {
diff --git a/net/ipv6/udp_offload.c b/net/ipv6/udp_offload.c
index a56276996b72..ab889bb16b3c 100644
--- a/net/ipv6/udp_offload.c
+++ b/net/ipv6/udp_offload.c
@@ -161,9 +161,13 @@ static int udp6_gro_complete(struct sk_buff *skb, int nhoff)
const struct ipv6hdr *ipv6h = ipv6_hdr(skb);
struct udphdr *uh = (struct udphdr *)(skb->data + nhoff);
- if (uh->check)
+ if (uh->check) {
+ skb_shinfo(skb)->gso_type |= SKB_GSO_UDP_TUNNEL_CSUM;
uh->check = ~udp_v6_check(skb->len - nhoff, &ipv6h->saddr,
&ipv6h->daddr, 0);
+ } else {
+ skb_shinfo(skb)->gso_type |= SKB_GSO_UDP_TUNNEL;
+ }
return udp_gro_complete(skb, nhoff);
}
diff --git a/net/netfilter/nft_compat.c b/net/netfilter/nft_compat.c
index 265e190f2218..c598f74063a1 100644
--- a/net/netfilter/nft_compat.c
+++ b/net/netfilter/nft_compat.c
@@ -19,6 +19,7 @@
#include <linux/netfilter/x_tables.h>
#include <linux/netfilter_ipv4/ip_tables.h>
#include <linux/netfilter_ipv6/ip6_tables.h>
+#include <linux/netfilter_bridge/ebtables.h>
#include <net/netfilter/nf_tables.h>
static int nft_compat_chain_validate_dependency(const char *tablename,
@@ -40,6 +41,7 @@ static int nft_compat_chain_validate_dependency(const char *tablename,
union nft_entry {
struct ipt_entry e4;
struct ip6t_entry e6;
+ struct ebt_entry ebt;
};
static inline void
@@ -50,9 +52,9 @@ nft_compat_set_par(struct xt_action_param *par, void *xt, const void *xt_info)
par->hotdrop = false;
}
-static void nft_target_eval(const struct nft_expr *expr,
- struct nft_data data[NFT_REG_MAX + 1],
- const struct nft_pktinfo *pkt)
+static void nft_target_eval_xt(const struct nft_expr *expr,
+ struct nft_data data[NFT_REG_MAX + 1],
+ const struct nft_pktinfo *pkt)
{
void *info = nft_expr_priv(expr);
struct xt_target *target = expr->ops->data;
@@ -66,7 +68,7 @@ static void nft_target_eval(const struct nft_expr *expr,
if (pkt->xt.hotdrop)
ret = NF_DROP;
- switch(ret) {
+ switch (ret) {
case XT_CONTINUE:
data[NFT_REG_VERDICT].verdict = NFT_CONTINUE;
break;
@@ -74,7 +76,41 @@ static void nft_target_eval(const struct nft_expr *expr,
data[NFT_REG_VERDICT].verdict = ret;
break;
}
- return;
+}
+
+static void nft_target_eval_bridge(const struct nft_expr *expr,
+ struct nft_data data[NFT_REG_MAX + 1],
+ const struct nft_pktinfo *pkt)
+{
+ void *info = nft_expr_priv(expr);
+ struct xt_target *target = expr->ops->data;
+ struct sk_buff *skb = pkt->skb;
+ int ret;
+
+ nft_compat_set_par((struct xt_action_param *)&pkt->xt, target, info);
+
+ ret = target->target(skb, &pkt->xt);
+
+ if (pkt->xt.hotdrop)
+ ret = NF_DROP;
+
+ switch (ret) {
+ case EBT_ACCEPT:
+ data[NFT_REG_VERDICT].verdict = NF_ACCEPT;
+ break;
+ case EBT_DROP:
+ data[NFT_REG_VERDICT].verdict = NF_DROP;
+ break;
+ case EBT_CONTINUE:
+ data[NFT_REG_VERDICT].verdict = NFT_CONTINUE;
+ break;
+ case EBT_RETURN:
+ data[NFT_REG_VERDICT].verdict = NFT_RETURN;
+ break;
+ default:
+ data[NFT_REG_VERDICT].verdict = ret;
+ break;
+ }
}
static const struct nla_policy nft_target_policy[NFTA_TARGET_MAX + 1] = {
@@ -100,6 +136,10 @@ nft_target_set_tgchk_param(struct xt_tgchk_param *par,
entry->e6.ipv6.proto = proto;
entry->e6.ipv6.invflags = inv ? IP6T_INV_PROTO : 0;
break;
+ case NFPROTO_BRIDGE:
+ entry->ebt.ethproto = proto;
+ entry->ebt.invflags = inv ? EBT_IPROTO : 0;
+ break;
}
par->entryinfo = entry;
par->target = target;
@@ -307,6 +347,10 @@ nft_match_set_mtchk_param(struct xt_mtchk_param *par, const struct nft_ctx *ctx,
entry->e6.ipv6.proto = proto;
entry->e6.ipv6.invflags = inv ? IP6T_INV_PROTO : 0;
break;
+ case NFPROTO_BRIDGE:
+ entry->ebt.ethproto = proto;
+ entry->ebt.invflags = inv ? EBT_IPROTO : 0;
+ break;
}
par->entryinfo = entry;
par->match = match;
@@ -490,6 +534,9 @@ nfnl_compat_get(struct sock *nfnl, struct sk_buff *skb,
case AF_INET6:
fmt = "ip6t_%s";
break;
+ case NFPROTO_BRIDGE:
+ fmt = "ebt_%s";
+ break;
default:
pr_err("nft_compat: unsupported protocol %d\n",
nfmsg->nfgen_family);
@@ -663,13 +710,17 @@ nft_target_select_ops(const struct nft_ctx *ctx,
nft_target->ops.type = &nft_target_type;
nft_target->ops.size = NFT_EXPR_SIZE(XT_ALIGN(target->targetsize));
- nft_target->ops.eval = nft_target_eval;
nft_target->ops.init = nft_target_init;
nft_target->ops.destroy = nft_target_destroy;
nft_target->ops.dump = nft_target_dump;
nft_target->ops.validate = nft_target_validate;
nft_target->ops.data = target;
+ if (family == NFPROTO_BRIDGE)
+ nft_target->ops.eval = nft_target_eval_bridge;
+ else
+ nft_target->ops.eval = nft_target_eval_xt;
+
list_add(&nft_target->head, &nft_target_list);
return &nft_target->ops;
diff --git a/net/netfilter/nft_lookup.c b/net/netfilter/nft_lookup.c
index 6404a726d17b..9615b8b9fb37 100644
--- a/net/netfilter/nft_lookup.c
+++ b/net/netfilter/nft_lookup.c
@@ -39,6 +39,7 @@ static void nft_lookup_eval(const struct nft_expr *expr,
static const struct nla_policy nft_lookup_policy[NFTA_LOOKUP_MAX + 1] = {
[NFTA_LOOKUP_SET] = { .type = NLA_STRING },
+ [NFTA_LOOKUP_SET_ID] = { .type = NLA_U32 },
[NFTA_LOOKUP_SREG] = { .type = NLA_U32 },
[NFTA_LOOKUP_DREG] = { .type = NLA_U32 },
};
diff --git a/net/openvswitch/flow.c b/net/openvswitch/flow.c
index e2c348b8baca..50ec42f170a0 100644
--- a/net/openvswitch/flow.c
+++ b/net/openvswitch/flow.c
@@ -717,6 +717,8 @@ int ovs_flow_key_extract_userspace(const struct nlattr *attr,
{
int err;
+ memset(key, 0, OVS_SW_FLOW_KEY_METADATA_SIZE);
+
/* Extract metadata from netlink attributes. */
err = ovs_nla_get_flow_metadata(attr, key, log);
if (err)
diff --git a/net/openvswitch/flow_netlink.c b/net/openvswitch/flow_netlink.c
index 993281e6278d..216f20b90aa5 100644
--- a/net/openvswitch/flow_netlink.c
+++ b/net/openvswitch/flow_netlink.c
@@ -1516,7 +1516,7 @@ int ovs_nla_put_identifier(const struct sw_flow *flow, struct sk_buff *skb)
/* Called with ovs_mutex or RCU read lock. */
int ovs_nla_put_masked_key(const struct sw_flow *flow, struct sk_buff *skb)
{
- return ovs_nla_put_key(&flow->mask->key, &flow->key,
+ return ovs_nla_put_key(&flow->key, &flow->key,
OVS_FLOW_ATTR_KEY, false, skb);
}
@@ -1746,7 +1746,7 @@ static int validate_and_copy_set_tun(const struct nlattr *attr,
struct sw_flow_key key;
struct ovs_tunnel_info *tun_info;
struct nlattr *a;
- int err, start, opts_type;
+ int err = 0, start, opts_type;
ovs_match_init(&match, &key, NULL);
opts_type = ipv4_tun_from_nlattr(nla_data(attr), &match, false, log);
diff --git a/net/rds/cong.c b/net/rds/cong.c
index e5b65acd650b..e6144b8246fd 100644
--- a/net/rds/cong.c
+++ b/net/rds/cong.c
@@ -221,7 +221,21 @@ void rds_cong_queue_updates(struct rds_cong_map *map)
list_for_each_entry(conn, &map->m_conn_list, c_map_item) {
if (!test_and_set_bit(0, &conn->c_map_queued)) {
rds_stats_inc(s_cong_update_queued);
- rds_send_xmit(conn);
+ /* We cannot inline the call to rds_send_xmit() here
+ * for two reasons (both pertaining to a TCP transport):
+ * 1. When we get here from the receive path, we
+ * are already holding the sock_lock (held by
+ * tcp_v4_rcv()). So inlining calls to
+ * tcp_setsockopt and/or tcp_sendmsg will deadlock
+ * when it tries to get the sock_lock())
+ * 2. Interrupts are masked so that we can mark the
+ * the port congested from both send and recv paths.
+ * (See comment around declaration of rdc_cong_lock).
+ * An attempt to get the sock_lock() here will
+ * therefore trigger warnings.
+ * Defer the xmit to rds_send_worker() instead.
+ */
+ queue_delayed_work(rds_wq, &conn->c_send_w, 0);
}
}