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-rw-r--r--Documentation/devicetree/bindings/net/oxnas-dwmac.txt3
-rw-r--r--drivers/atm/iphase.c4
-rw-r--r--drivers/net/bonding/bond_main.c34
-rw-r--r--drivers/net/ethernet/allwinner/sun4i-emac.c31
-rw-r--r--drivers/net/ethernet/allwinner/sun4i-emac.h18
-rw-r--r--drivers/net/ethernet/apple/bmac.c5
-rw-r--r--drivers/net/ethernet/apple/mace.c16
-rw-r--r--drivers/net/ethernet/broadcom/genet/bcmgenet.c10
-rw-r--r--drivers/net/ethernet/chelsio/libcxgb/libcxgb_cm.c3
-rw-r--r--drivers/net/ethernet/i825xx/sni_82596.c3
-rw-r--r--drivers/net/ethernet/marvell/prestera/prestera.h1
-rw-r--r--drivers/net/ethernet/marvell/prestera/prestera_hw.c4
-rw-r--r--drivers/net/ethernet/marvell/prestera/prestera_main.c1
-rw-r--r--drivers/net/ethernet/marvell/prestera/prestera_router.c24
-rw-r--r--drivers/net/ethernet/marvell/prestera/prestera_router_hw.c40
-rw-r--r--drivers/net/ethernet/marvell/prestera/prestera_router_hw.h3
-rw-r--r--drivers/net/ethernet/mediatek/mtk_eth_soc.c2
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.c5
-rw-r--r--drivers/net/ethernet/mscc/ocelot.c5
-rw-r--r--drivers/net/ethernet/mscc/ocelot_flower.c29
-rw-r--r--drivers/net/ethernet/mscc/ocelot_net.c6
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/dwmac-oxnas.c101
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/stmmac_main.c3
-rw-r--r--drivers/net/ipa/ipa_endpoint.c28
-rw-r--r--drivers/net/ipa/ipa_endpoint.h17
-rw-r--r--drivers/net/phy/at803x.c2
-rw-r--r--drivers/net/phy/marvell.c56
-rw-r--r--drivers/net/phy/sfp.c25
-rw-r--r--drivers/net/usb/qmi_wwan.c2
-rw-r--r--drivers/net/usb/smsc95xx.c3
-rw-r--r--drivers/net/wwan/mhi_wwan_mbim.c4
-rw-r--r--drivers/nfc/pn544/i2c.c2
-rw-r--r--drivers/nfc/st21nfca/se.c10
-rw-r--r--include/net/inet_frag.h11
-rw-r--r--include/net/ipv6_frag.h3
-rw-r--r--include/net/pkt_cls.h4
-rw-r--r--include/net/sch_generic.h5
-rw-r--r--lib/ref_tracker.c5
-rw-r--r--net/bridge/br_if.c3
-rw-r--r--net/core/net_namespace.c4
-rw-r--r--net/core/of_net.c33
-rw-r--r--net/core/sock.c5
-rw-r--r--net/ipv4/fib_semantics.c11
-rw-r--r--net/ipv4/inet_fragment.c8
-rw-r--r--net/ipv4/ip_fragment.c3
-rw-r--r--net/ipv4/ip_gre.c5
-rw-r--r--net/ipv6/sit.c2
-rw-r--r--net/mctp/test/route-test.c2
-rw-r--r--net/sched/sch_api.c2
-rw-r--r--net/sched/sch_generic.c1
-rw-r--r--net/smc/af_smc.c6
-rw-r--r--net/smc/smc.h1
-rw-r--r--net/smc/smc_cdc.c3
-rw-r--r--net/smc/smc_clc.c2
-rw-r--r--net/smc/smc_core.c137
-rw-r--r--net/smc/smc_core.h12
-rw-r--r--net/smc/smc_diag.c6
-rw-r--r--net/smc/smc_pnet.c3
-rw-r--r--net/smc/smc_wr.h4
-rw-r--r--net/tls/tls_sw.c1
-rw-r--r--net/unix/garbage.c14
-rw-r--r--net/unix/scm.c6
-rw-r--r--net/xfrm/xfrm_policy.c3
-rwxr-xr-xtools/testing/selftests/net/fcnal-test.sh3
-rw-r--r--tools/testing/selftests/net/settings2
65 files changed, 588 insertions, 222 deletions
diff --git a/Documentation/devicetree/bindings/net/oxnas-dwmac.txt b/Documentation/devicetree/bindings/net/oxnas-dwmac.txt
index d7117a22fd87..27db496f1ce8 100644
--- a/Documentation/devicetree/bindings/net/oxnas-dwmac.txt
+++ b/Documentation/devicetree/bindings/net/oxnas-dwmac.txt
@@ -9,6 +9,9 @@ Required properties on all platforms:
- compatible: For the OX820 SoC, it should be :
- "oxsemi,ox820-dwmac" to select glue
- "snps,dwmac-3.512" to select IP version.
+ For the OX810SE SoC, it should be :
+ - "oxsemi,ox810se-dwmac" to select glue
+ - "snps,dwmac-3.512" to select IP version.
- clocks: Should contain phandles to the following clocks
- clock-names: Should contain the following:
diff --git a/drivers/atm/iphase.c b/drivers/atm/iphase.c
index bc8e8d9f176b..3e726ee91fdc 100644
--- a/drivers/atm/iphase.c
+++ b/drivers/atm/iphase.c
@@ -178,7 +178,6 @@ static void ia_hack_tcq(IADEV *dev) {
static u16 get_desc (IADEV *dev, struct ia_vcc *iavcc) {
u_short desc_num, i;
- struct sk_buff *skb;
struct ia_vcc *iavcc_r = NULL;
unsigned long delta;
static unsigned long timer = 0;
@@ -202,8 +201,7 @@ static u16 get_desc (IADEV *dev, struct ia_vcc *iavcc) {
else
dev->ffL.tcq_rd -= 2;
*(u_short *)(dev->seg_ram + dev->ffL.tcq_rd) = i+1;
- if (!(skb = dev->desc_tbl[i].txskb) ||
- !(iavcc_r = dev->desc_tbl[i].iavcc))
+ if (!dev->desc_tbl[i].txskb || !(iavcc_r = dev->desc_tbl[i].iavcc))
printk("Fatal err, desc table vcc or skb is NULL\n");
else
iavcc_r->vc_desc_cnt--;
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index 07fc603c2fa7..ec498ce70f35 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -3874,8 +3874,8 @@ u32 bond_xmit_hash(struct bonding *bond, struct sk_buff *skb)
skb->l4_hash)
return skb->hash;
- return __bond_xmit_hash(bond, skb, skb->head, skb->protocol,
- skb->mac_header, skb->network_header,
+ return __bond_xmit_hash(bond, skb, skb->data, skb->protocol,
+ skb_mac_offset(skb), skb_network_offset(skb),
skb_headlen(skb));
}
@@ -4884,25 +4884,39 @@ static netdev_tx_t bond_xmit_broadcast(struct sk_buff *skb,
struct bonding *bond = netdev_priv(bond_dev);
struct slave *slave = NULL;
struct list_head *iter;
+ bool xmit_suc = false;
+ bool skb_used = false;
bond_for_each_slave_rcu(bond, slave, iter) {
- if (bond_is_last_slave(bond, slave))
- break;
- if (bond_slave_is_up(slave) && slave->link == BOND_LINK_UP) {
- struct sk_buff *skb2 = skb_clone(skb, GFP_ATOMIC);
+ struct sk_buff *skb2;
+
+ if (!(bond_slave_is_up(slave) && slave->link == BOND_LINK_UP))
+ continue;
+ if (bond_is_last_slave(bond, slave)) {
+ skb2 = skb;
+ skb_used = true;
+ } else {
+ skb2 = skb_clone(skb, GFP_ATOMIC);
if (!skb2) {
net_err_ratelimited("%s: Error: %s: skb_clone() failed\n",
bond_dev->name, __func__);
continue;
}
- bond_dev_queue_xmit(bond, skb2, slave->dev);
}
+
+ if (bond_dev_queue_xmit(bond, skb2, slave->dev) == NETDEV_TX_OK)
+ xmit_suc = true;
}
- if (slave && bond_slave_is_up(slave) && slave->link == BOND_LINK_UP)
- return bond_dev_queue_xmit(bond, skb, slave->dev);
- return bond_tx_drop(bond_dev, skb);
+ if (!skb_used)
+ dev_kfree_skb_any(skb);
+
+ if (xmit_suc)
+ return NETDEV_TX_OK;
+
+ atomic_long_inc(&bond_dev->tx_dropped);
+ return NET_XMIT_DROP;
}
/*------------------------- Device initialization ---------------------------*/
diff --git a/drivers/net/ethernet/allwinner/sun4i-emac.c b/drivers/net/ethernet/allwinner/sun4i-emac.c
index 849de4564709..621ce742ad21 100644
--- a/drivers/net/ethernet/allwinner/sun4i-emac.c
+++ b/drivers/net/ethernet/allwinner/sun4i-emac.c
@@ -106,9 +106,9 @@ static void emac_update_speed(struct net_device *dev)
/* set EMAC SPEED, depend on PHY */
reg_val = readl(db->membase + EMAC_MAC_SUPP_REG);
- reg_val &= ~(0x1 << 8);
+ reg_val &= ~EMAC_MAC_SUPP_100M;
if (db->speed == SPEED_100)
- reg_val |= 1 << 8;
+ reg_val |= EMAC_MAC_SUPP_100M;
writel(reg_val, db->membase + EMAC_MAC_SUPP_REG);
}
@@ -264,7 +264,7 @@ static void emac_dma_done_callback(void *arg)
/* re enable interrupt */
reg_val = readl(db->membase + EMAC_INT_CTL_REG);
- reg_val |= (0x01 << 8);
+ reg_val |= EMAC_INT_CTL_RX_EN;
writel(reg_val, db->membase + EMAC_INT_CTL_REG);
db->emacrx_completed_flag = 1;
@@ -429,7 +429,7 @@ static unsigned int emac_powerup(struct net_device *ndev)
/* initial EMAC */
/* flush RX FIFO */
reg_val = readl(db->membase + EMAC_RX_CTL_REG);
- reg_val |= 0x8;
+ reg_val |= EMAC_RX_CTL_FLUSH_FIFO;
writel(reg_val, db->membase + EMAC_RX_CTL_REG);
udelay(1);
@@ -441,8 +441,8 @@ static unsigned int emac_powerup(struct net_device *ndev)
/* set MII clock */
reg_val = readl(db->membase + EMAC_MAC_MCFG_REG);
- reg_val &= (~(0xf << 2));
- reg_val |= (0xD << 2);
+ reg_val &= ~EMAC_MAC_MCFG_MII_CLKD_MASK;
+ reg_val |= EMAC_MAC_MCFG_MII_CLKD_72;
writel(reg_val, db->membase + EMAC_MAC_MCFG_REG);
/* clear RX counter */
@@ -506,7 +506,7 @@ static void emac_init_device(struct net_device *dev)
/* enable RX/TX0/RX Hlevel interrup */
reg_val = readl(db->membase + EMAC_INT_CTL_REG);
- reg_val |= (0xf << 0) | (0x01 << 8);
+ reg_val |= (EMAC_INT_CTL_TX_EN | EMAC_INT_CTL_TX_ABRT_EN | EMAC_INT_CTL_RX_EN);
writel(reg_val, db->membase + EMAC_INT_CTL_REG);
spin_unlock_irqrestore(&db->lock, flags);
@@ -637,7 +637,9 @@ static void emac_rx(struct net_device *dev)
if (!rxcount) {
db->emacrx_completed_flag = 1;
reg_val = readl(db->membase + EMAC_INT_CTL_REG);
- reg_val |= (0xf << 0) | (0x01 << 8);
+ reg_val |= (EMAC_INT_CTL_TX_EN |
+ EMAC_INT_CTL_TX_ABRT_EN |
+ EMAC_INT_CTL_RX_EN);
writel(reg_val, db->membase + EMAC_INT_CTL_REG);
/* had one stuck? */
@@ -669,7 +671,9 @@ static void emac_rx(struct net_device *dev)
writel(reg_val | EMAC_CTL_RX_EN,
db->membase + EMAC_CTL_REG);
reg_val = readl(db->membase + EMAC_INT_CTL_REG);
- reg_val |= (0xf << 0) | (0x01 << 8);
+ reg_val |= (EMAC_INT_CTL_TX_EN |
+ EMAC_INT_CTL_TX_ABRT_EN |
+ EMAC_INT_CTL_RX_EN);
writel(reg_val, db->membase + EMAC_INT_CTL_REG);
db->emacrx_completed_flag = 1;
@@ -783,20 +787,20 @@ static irqreturn_t emac_interrupt(int irq, void *dev_id)
}
/* Transmit Interrupt check */
- if (int_status & (0x01 | 0x02))
+ if (int_status & EMAC_INT_STA_TX_COMPLETE)
emac_tx_done(dev, db, int_status);
- if (int_status & (0x04 | 0x08))
+ if (int_status & EMAC_INT_STA_TX_ABRT)
netdev_info(dev, " ab : %x\n", int_status);
/* Re-enable interrupt mask */
if (db->emacrx_completed_flag == 1) {
reg_val = readl(db->membase + EMAC_INT_CTL_REG);
- reg_val |= (0xf << 0) | (0x01 << 8);
+ reg_val |= (EMAC_INT_CTL_TX_EN | EMAC_INT_CTL_TX_ABRT_EN | EMAC_INT_CTL_RX_EN);
writel(reg_val, db->membase + EMAC_INT_CTL_REG);
} else {
reg_val = readl(db->membase + EMAC_INT_CTL_REG);
- reg_val |= (0xf << 0);
+ reg_val |= (EMAC_INT_CTL_TX_EN | EMAC_INT_CTL_TX_ABRT_EN);
writel(reg_val, db->membase + EMAC_INT_CTL_REG);
}
@@ -1068,6 +1072,7 @@ out_clk_disable_unprepare:
clk_disable_unprepare(db->clk);
out_dispose_mapping:
irq_dispose_mapping(ndev->irq);
+ dma_release_channel(db->rx_chan);
out_iounmap:
iounmap(db->membase);
out:
diff --git a/drivers/net/ethernet/allwinner/sun4i-emac.h b/drivers/net/ethernet/allwinner/sun4i-emac.h
index 38c72d9ec600..90bd9ad77607 100644
--- a/drivers/net/ethernet/allwinner/sun4i-emac.h
+++ b/drivers/net/ethernet/allwinner/sun4i-emac.h
@@ -38,6 +38,7 @@
#define EMAC_RX_CTL_REG (0x3c)
#define EMAC_RX_CTL_AUTO_DRQ_EN (1 << 1)
#define EMAC_RX_CTL_DMA_EN (1 << 2)
+#define EMAC_RX_CTL_FLUSH_FIFO (1 << 3)
#define EMAC_RX_CTL_PASS_ALL_EN (1 << 4)
#define EMAC_RX_CTL_PASS_CTL_EN (1 << 5)
#define EMAC_RX_CTL_PASS_CRC_ERR_EN (1 << 6)
@@ -61,7 +62,21 @@
#define EMAC_RX_IO_DATA_STATUS_OK (1 << 7)
#define EMAC_RX_FBC_REG (0x50)
#define EMAC_INT_CTL_REG (0x54)
+#define EMAC_INT_CTL_RX_EN (1 << 8)
+#define EMAC_INT_CTL_TX0_EN (1)
+#define EMAC_INT_CTL_TX1_EN (1 << 1)
+#define EMAC_INT_CTL_TX_EN (EMAC_INT_CTL_TX0_EN | EMAC_INT_CTL_TX1_EN)
+#define EMAC_INT_CTL_TX0_ABRT_EN (0x1 << 2)
+#define EMAC_INT_CTL_TX1_ABRT_EN (0x1 << 3)
+#define EMAC_INT_CTL_TX_ABRT_EN (EMAC_INT_CTL_TX0_ABRT_EN | EMAC_INT_CTL_TX1_ABRT_EN)
#define EMAC_INT_STA_REG (0x58)
+#define EMAC_INT_STA_TX0_COMPLETE (0x1)
+#define EMAC_INT_STA_TX1_COMPLETE (0x1 << 1)
+#define EMAC_INT_STA_TX_COMPLETE (EMAC_INT_STA_TX0_COMPLETE | EMAC_INT_STA_TX1_COMPLETE)
+#define EMAC_INT_STA_TX0_ABRT (0x1 << 2)
+#define EMAC_INT_STA_TX1_ABRT (0x1 << 3)
+#define EMAC_INT_STA_TX_ABRT (EMAC_INT_STA_TX0_ABRT | EMAC_INT_STA_TX1_ABRT)
+#define EMAC_INT_STA_RX_COMPLETE (0x1 << 8)
#define EMAC_MAC_CTL0_REG (0x5c)
#define EMAC_MAC_CTL0_RX_FLOW_CTL_EN (1 << 2)
#define EMAC_MAC_CTL0_TX_FLOW_CTL_EN (1 << 3)
@@ -87,8 +102,11 @@
#define EMAC_MAC_CLRT_RM (0x0f)
#define EMAC_MAC_MAXF_REG (0x70)
#define EMAC_MAC_SUPP_REG (0x74)
+#define EMAC_MAC_SUPP_100M (0x1 << 8)
#define EMAC_MAC_TEST_REG (0x78)
#define EMAC_MAC_MCFG_REG (0x7c)
+#define EMAC_MAC_MCFG_MII_CLKD_MASK (0xff << 2)
+#define EMAC_MAC_MCFG_MII_CLKD_72 (0x0d << 2)
#define EMAC_MAC_A0_REG (0x98)
#define EMAC_MAC_A1_REG (0x9c)
#define EMAC_MAC_A2_REG (0xa0)
diff --git a/drivers/net/ethernet/apple/bmac.c b/drivers/net/ethernet/apple/bmac.c
index 9a650d1c1bdd..4d2ba30c2fbd 100644
--- a/drivers/net/ethernet/apple/bmac.c
+++ b/drivers/net/ethernet/apple/bmac.c
@@ -1237,6 +1237,7 @@ static int bmac_probe(struct macio_dev *mdev, const struct of_device_id *match)
struct bmac_data *bp;
const unsigned char *prop_addr;
unsigned char addr[6];
+ u8 macaddr[6];
struct net_device *dev;
int is_bmac_plus = ((int)match->data) != 0;
@@ -1284,7 +1285,9 @@ static int bmac_probe(struct macio_dev *mdev, const struct of_device_id *match)
rev = addr[0] == 0 && addr[1] == 0xA0;
for (j = 0; j < 6; ++j)
- dev->dev_addr[j] = rev ? bitrev8(addr[j]): addr[j];
+ macaddr[j] = rev ? bitrev8(addr[j]): addr[j];
+
+ eth_hw_addr_set(dev, macaddr);
/* Enable chip without interrupts for now */
bmac_enable_and_reset_chip(dev);
diff --git a/drivers/net/ethernet/apple/mace.c b/drivers/net/ethernet/apple/mace.c
index 4b80e3a52a19..6f8c91eb1263 100644
--- a/drivers/net/ethernet/apple/mace.c
+++ b/drivers/net/ethernet/apple/mace.c
@@ -90,7 +90,7 @@ static void mace_set_timeout(struct net_device *dev);
static void mace_tx_timeout(struct timer_list *t);
static inline void dbdma_reset(volatile struct dbdma_regs __iomem *dma);
static inline void mace_clean_rings(struct mace_data *mp);
-static void __mace_set_address(struct net_device *dev, void *addr);
+static void __mace_set_address(struct net_device *dev, const void *addr);
/*
* If we can't get a skbuff when we need it, we use this area for DMA.
@@ -112,6 +112,7 @@ static int mace_probe(struct macio_dev *mdev, const struct of_device_id *match)
struct net_device *dev;
struct mace_data *mp;
const unsigned char *addr;
+ u8 macaddr[ETH_ALEN];
int j, rev, rc = -EBUSY;
if (macio_resource_count(mdev) != 3 || macio_irq_count(mdev) != 3) {
@@ -167,8 +168,9 @@ static int mace_probe(struct macio_dev *mdev, const struct of_device_id *match)
rev = addr[0] == 0 && addr[1] == 0xA0;
for (j = 0; j < 6; ++j) {
- dev->dev_addr[j] = rev ? bitrev8(addr[j]): addr[j];
+ macaddr[j] = rev ? bitrev8(addr[j]): addr[j];
}
+ eth_hw_addr_set(dev, macaddr);
mp->chipid = (in_8(&mp->mace->chipid_hi) << 8) |
in_8(&mp->mace->chipid_lo);
@@ -369,11 +371,12 @@ static void mace_reset(struct net_device *dev)
out_8(&mb->plscc, PORTSEL_GPSI + ENPLSIO);
}
-static void __mace_set_address(struct net_device *dev, void *addr)
+static void __mace_set_address(struct net_device *dev, const void *addr)
{
struct mace_data *mp = netdev_priv(dev);
volatile struct mace __iomem *mb = mp->mace;
- unsigned char *p = addr;
+ const unsigned char *p = addr;
+ u8 macaddr[ETH_ALEN];
int i;
/* load up the hardware address */
@@ -385,7 +388,10 @@ static void __mace_set_address(struct net_device *dev, void *addr)
;
}
for (i = 0; i < 6; ++i)
- out_8(&mb->padr, dev->dev_addr[i] = p[i]);
+ out_8(&mb->padr, macaddr[i] = p[i]);
+
+ eth_hw_addr_set(dev, macaddr);
+
if (mp->chipid != BROKEN_ADDRCHG_REV)
out_8(&mb->iac, 0);
}
diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.c b/drivers/net/ethernet/broadcom/genet/bcmgenet.c
index 226f4403cfed..87f1056e29ff 100644
--- a/drivers/net/ethernet/broadcom/genet/bcmgenet.c
+++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.c
@@ -4020,10 +4020,12 @@ static int bcmgenet_probe(struct platform_device *pdev)
/* Request the WOL interrupt and advertise suspend if available */
priv->wol_irq_disabled = true;
- err = devm_request_irq(&pdev->dev, priv->wol_irq, bcmgenet_wol_isr, 0,
- dev->name, priv);
- if (!err)
- device_set_wakeup_capable(&pdev->dev, 1);
+ if (priv->wol_irq > 0) {
+ err = devm_request_irq(&pdev->dev, priv->wol_irq,
+ bcmgenet_wol_isr, 0, dev->name, priv);
+ if (!err)
+ device_set_wakeup_capable(&pdev->dev, 1);
+ }
/* Set the needed headroom to account for any possible
* features enabling/disabling at runtime
diff --git a/drivers/net/ethernet/chelsio/libcxgb/libcxgb_cm.c b/drivers/net/ethernet/chelsio/libcxgb/libcxgb_cm.c
index d04a6c163445..da8d10475a08 100644
--- a/drivers/net/ethernet/chelsio/libcxgb/libcxgb_cm.c
+++ b/drivers/net/ethernet/chelsio/libcxgb/libcxgb_cm.c
@@ -32,6 +32,7 @@
#include <linux/tcp.h>
#include <linux/ipv6.h>
+#include <net/inet_ecn.h>
#include <net/route.h>
#include <net/ip6_route.h>
@@ -99,7 +100,7 @@ cxgb_find_route(struct cxgb4_lld_info *lldi,
rt = ip_route_output_ports(&init_net, &fl4, NULL, peer_ip, local_ip,
peer_port, local_port, IPPROTO_TCP,
- tos, 0);
+ tos & ~INET_ECN_MASK, 0);
if (IS_ERR(rt))
return NULL;
n = dst_neigh_lookup(&rt->dst, &peer_ip);
diff --git a/drivers/net/ethernet/i825xx/sni_82596.c b/drivers/net/ethernet/i825xx/sni_82596.c
index 27937c5d7956..daec9ce04531 100644
--- a/drivers/net/ethernet/i825xx/sni_82596.c
+++ b/drivers/net/ethernet/i825xx/sni_82596.c
@@ -117,9 +117,10 @@ static int sni_82596_probe(struct platform_device *dev)
netdevice->dev_addr[5] = readb(eth_addr + 0x06);
iounmap(eth_addr);
- if (!netdevice->irq) {
+ if (netdevice->irq < 0) {
printk(KERN_ERR "%s: IRQ not found for i82596 at 0x%lx\n",
__FILE__, netdevice->base_addr);
+ retval = netdevice->irq;
goto probe_failed;
}
diff --git a/drivers/net/ethernet/marvell/prestera/prestera.h b/drivers/net/ethernet/marvell/prestera/prestera.h
index a0a5a8e6bd8c..2fd9ef2fe5d6 100644
--- a/drivers/net/ethernet/marvell/prestera/prestera.h
+++ b/drivers/net/ethernet/marvell/prestera/prestera.h
@@ -283,7 +283,6 @@ struct prestera_router {
struct list_head rif_entry_list;
struct notifier_block inetaddr_nb;
struct notifier_block inetaddr_valid_nb;
- bool aborted;
};
struct prestera_rxtx_params {
diff --git a/drivers/net/ethernet/marvell/prestera/prestera_hw.c b/drivers/net/ethernet/marvell/prestera/prestera_hw.c
index 51fc841b1e7a..e6bfadc874c5 100644
--- a/drivers/net/ethernet/marvell/prestera/prestera_hw.c
+++ b/drivers/net/ethernet/marvell/prestera/prestera_hw.c
@@ -1831,8 +1831,8 @@ static int prestera_iface_to_msg(struct prestera_iface *iface,
int prestera_hw_rif_create(struct prestera_switch *sw,
struct prestera_iface *iif, u8 *mac, u16 *rif_id)
{
- struct prestera_msg_rif_req req;
struct prestera_msg_rif_resp resp;
+ struct prestera_msg_rif_req req;
int err;
memcpy(req.mac, mac, ETH_ALEN);
@@ -1868,9 +1868,9 @@ int prestera_hw_rif_delete(struct prestera_switch *sw, u16 rif_id,
int prestera_hw_vr_create(struct prestera_switch *sw, u16 *vr_id)
{
- int err;
struct prestera_msg_vr_resp resp;
struct prestera_msg_vr_req req;
+ int err;
err = prestera_cmd_ret(sw, PRESTERA_CMD_TYPE_ROUTER_VR_CREATE,
&req.cmd, sizeof(req), &resp.ret, sizeof(resp));
diff --git a/drivers/net/ethernet/marvell/prestera/prestera_main.c b/drivers/net/ethernet/marvell/prestera/prestera_main.c
index 08fdd1e50388..cad93f747d0c 100644
--- a/drivers/net/ethernet/marvell/prestera/prestera_main.c
+++ b/drivers/net/ethernet/marvell/prestera/prestera_main.c
@@ -982,6 +982,7 @@ static void prestera_switch_fini(struct prestera_switch *sw)
prestera_event_handlers_unregister(sw);
prestera_rxtx_switch_fini(sw);
prestera_switchdev_fini(sw);
+ prestera_router_fini(sw);
prestera_netdev_event_handler_unregister(sw);
prestera_hw_switch_fini(sw);
}
diff --git a/drivers/net/ethernet/marvell/prestera/prestera_router.c b/drivers/net/ethernet/marvell/prestera/prestera_router.c
index 8a3b7b664358..6ef4d32b8fdd 100644
--- a/drivers/net/ethernet/marvell/prestera/prestera_router.c
+++ b/drivers/net/ethernet/marvell/prestera/prestera_router.c
@@ -25,10 +25,10 @@ static int __prestera_inetaddr_port_event(struct net_device *port_dev,
struct netlink_ext_ack *extack)
{
struct prestera_port *port = netdev_priv(port_dev);
- int err;
- struct prestera_rif_entry *re;
struct prestera_rif_entry_key re_key = {};
+ struct prestera_rif_entry *re;
u32 kern_tb_id;
+ int err;
err = prestera_is_valid_mac_addr(port, port_dev->dev_addr);
if (err) {
@@ -45,21 +45,21 @@ static int __prestera_inetaddr_port_event(struct net_device *port_dev,
switch (event) {
case NETDEV_UP:
if (re) {
- NL_SET_ERR_MSG_MOD(extack, "rif_entry already exist");
+ NL_SET_ERR_MSG_MOD(extack, "RIF already exist");
return -EEXIST;
}
re = prestera_rif_entry_create(port->sw, &re_key,
prestera_fix_tb_id(kern_tb_id),
port_dev->dev_addr);
if (!re) {
- NL_SET_ERR_MSG_MOD(extack, "Can't create rif_entry");
+ NL_SET_ERR_MSG_MOD(extack, "Can't create RIF");
return -EINVAL;
}
dev_hold(port_dev);
break;
case NETDEV_DOWN:
if (!re) {
- NL_SET_ERR_MSG_MOD(extack, "rif_entry not exist");
+ NL_SET_ERR_MSG_MOD(extack, "Can't find RIF");
return -EEXIST;
}
prestera_rif_entry_destroy(port->sw, re);
@@ -75,11 +75,11 @@ static int __prestera_inetaddr_event(struct prestera_switch *sw,
unsigned long event,
struct netlink_ext_ack *extack)
{
- if (prestera_netdev_check(dev) && !netif_is_bridge_port(dev) &&
- !netif_is_lag_port(dev) && !netif_is_ovs_port(dev))
- return __prestera_inetaddr_port_event(dev, event, extack);
+ if (!prestera_netdev_check(dev) || netif_is_bridge_port(dev) ||
+ netif_is_lag_port(dev) || netif_is_ovs_port(dev))
+ return 0;
- return 0;
+ return __prestera_inetaddr_port_event(dev, event, extack);
}
static int __prestera_inetaddr_cb(struct notifier_block *nb,
@@ -126,6 +126,8 @@ static int __prestera_inetaddr_valid_cb(struct notifier_block *nb,
goto out;
if (ipv4_is_multicast(ivi->ivi_addr)) {
+ NL_SET_ERR_MSG_MOD(ivi->extack,
+ "Multicast addr on RIF is not supported");
err = -EINVAL;
goto out;
}
@@ -166,7 +168,7 @@ int prestera_router_init(struct prestera_switch *sw)
err_register_inetaddr_notifier:
unregister_inetaddr_validator_notifier(&router->inetaddr_valid_nb);
err_register_inetaddr_validator_notifier:
- /* prestera_router_hw_fini */
+ prestera_router_hw_fini(sw);
err_router_lib_init:
kfree(sw->router);
return err;
@@ -176,7 +178,7 @@ void prestera_router_fini(struct prestera_switch *sw)
{
unregister_inetaddr_notifier(&sw->router->inetaddr_nb);
unregister_inetaddr_validator_notifier(&sw->router->inetaddr_valid_nb);
- /* router_hw_fini */
+ prestera_router_hw_fini(sw);
kfree(sw->router);
sw->router = NULL;
}
diff --git a/drivers/net/ethernet/marvell/prestera/prestera_router_hw.c b/drivers/net/ethernet/marvell/prestera/prestera_router_hw.c
index 5866a4be50f5..e5592b69ad37 100644
--- a/drivers/net/ethernet/marvell/prestera/prestera_router_hw.c
+++ b/drivers/net/ethernet/marvell/prestera/prestera_router_hw.c
@@ -29,6 +29,12 @@ int prestera_router_hw_init(struct prestera_switch *sw)
return 0;
}
+void prestera_router_hw_fini(struct prestera_switch *sw)
+{
+ WARN_ON(!list_empty(&sw->router->vr_list));
+ WARN_ON(!list_empty(&sw->router->rif_entry_list));
+}
+
static struct prestera_vr *__prestera_vr_find(struct prestera_switch *sw,
u32 tb_id)
{
@@ -47,13 +53,8 @@ static struct prestera_vr *__prestera_vr_create(struct prestera_switch *sw,
struct netlink_ext_ack *extack)
{
struct prestera_vr *vr;
- u16 hw_vr_id;
int err;
- err = prestera_hw_vr_create(sw, &hw_vr_id);
- if (err)
- return ERR_PTR(-ENOMEM);
-
vr = kzalloc(sizeof(*vr), GFP_KERNEL);
if (!vr) {
err = -ENOMEM;
@@ -61,23 +62,26 @@ static struct prestera_vr *__prestera_vr_create(struct prestera_switch *sw,
}
vr->tb_id = tb_id;
- vr->hw_vr_id = hw_vr_id;
+
+ err = prestera_hw_vr_create(sw, &vr->hw_vr_id);
+ if (err)
+ goto err_hw_create;
list_add(&vr->router_node, &sw->router->vr_list);
return vr;
-err_alloc_vr:
- prestera_hw_vr_delete(sw, hw_vr_id);
+err_hw_create:
kfree(vr);
+err_alloc_vr:
return ERR_PTR(err);
}
static void __prestera_vr_destroy(struct prestera_switch *sw,
struct prestera_vr *vr)
{
- prestera_hw_vr_delete(sw, vr->hw_vr_id);
list_del(&vr->router_node);
+ prestera_hw_vr_delete(sw, vr->hw_vr_id);
kfree(vr);
}
@@ -87,17 +91,22 @@ static struct prestera_vr *prestera_vr_get(struct prestera_switch *sw, u32 tb_id
struct prestera_vr *vr;
vr = __prestera_vr_find(sw, tb_id);
- if (!vr)
+ if (vr) {
+ refcount_inc(&vr->refcount);
+ } else {
vr = __prestera_vr_create(sw, tb_id, extack);
- if (IS_ERR(vr))
- return ERR_CAST(vr);
+ if (IS_ERR(vr))
+ return ERR_CAST(vr);
+
+ refcount_set(&vr->refcount, 1);
+ }
return vr;
}
static void prestera_vr_put(struct prestera_switch *sw, struct prestera_vr *vr)
{
- if (!vr->ref_cnt)
+ if (refcount_dec_and_test(&vr->refcount))
__prestera_vr_destroy(sw, vr);
}
@@ -120,7 +129,7 @@ __prestera_rif_entry_key_copy(const struct prestera_rif_entry_key *in,
out->iface.vlan_id = in->iface.vlan_id;
break;
default:
- pr_err("Unsupported iface type");
+ WARN(1, "Unsupported iface type");
return -EINVAL;
}
@@ -158,7 +167,6 @@ void prestera_rif_entry_destroy(struct prestera_switch *sw,
iface.vr_id = e->vr->hw_vr_id;
prestera_hw_rif_delete(sw, e->hw_id, &iface);
- e->vr->ref_cnt--;
prestera_vr_put(sw, e->vr);
kfree(e);
}
@@ -183,7 +191,6 @@ prestera_rif_entry_create(struct prestera_switch *sw,
if (IS_ERR(e->vr))
goto err_vr_get;
- e->vr->ref_cnt++;
memcpy(&e->addr, addr, sizeof(e->addr));
/* HW */
@@ -198,7 +205,6 @@ prestera_rif_entry_create(struct prestera_switch *sw,
return e;
err_hw_create:
- e->vr->ref_cnt--;
prestera_vr_put(sw, e->vr);
err_vr_get:
err_key_copy:
diff --git a/drivers/net/ethernet/marvell/prestera/prestera_router_hw.h b/drivers/net/ethernet/marvell/prestera/prestera_router_hw.h
index fed53595f7bb..b6b028551868 100644
--- a/drivers/net/ethernet/marvell/prestera/prestera_router_hw.h
+++ b/drivers/net/ethernet/marvell/prestera/prestera_router_hw.h
@@ -6,7 +6,7 @@
struct prestera_vr {
struct list_head router_node;
- unsigned int ref_cnt;
+ refcount_t refcount;
u32 tb_id; /* key (kernel fib table id) */
u16 hw_vr_id; /* virtual router ID */
u8 __pad[2];
@@ -32,5 +32,6 @@ prestera_rif_entry_create(struct prestera_switch *sw,
struct prestera_rif_entry_key *k,
u32 tb_id, const unsigned char *addr);
int prestera_router_hw_init(struct prestera_switch *sw);
+void prestera_router_hw_fini(struct prestera_switch *sw);
#endif /* _PRESTERA_ROUTER_HW_H_ */
diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
index b67b4323cff0..f02d07ec5ccb 100644
--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
@@ -267,7 +267,7 @@ static void mtk_mac_config(struct phylink_config *config, unsigned int mode,
phylink_config);
struct mtk_eth *eth = mac->hw;
u32 mcr_cur, mcr_new, sid, i;
- int val, ge_mode, err;
+ int val, ge_mode, err = 0;
/* MT76x8 has no hardware settings between for the MAC */
if (!MTK_HAS_CAPS(eth->soc->caps, MTK_SOC_MT7628) &&
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.c b/drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.c
index 33815246fead..378fc8e3bd97 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.c
@@ -1,6 +1,7 @@
/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
/* Copyright (c) 2018 Mellanox Technologies. */
+#include <net/inet_ecn.h>
#include <net/vxlan.h>
#include <net/gre.h>
#include <net/geneve.h>
@@ -235,7 +236,7 @@ int mlx5e_tc_tun_create_header_ipv4(struct mlx5e_priv *priv,
int err;
/* add the IP fields */
- attr.fl.fl4.flowi4_tos = tun_key->tos;
+ attr.fl.fl4.flowi4_tos = tun_key->tos & ~INET_ECN_MASK;
attr.fl.fl4.daddr = tun_key->u.ipv4.dst;
attr.fl.fl4.saddr = tun_key->u.ipv4.src;
attr.ttl = tun_key->ttl;
@@ -350,7 +351,7 @@ int mlx5e_tc_tun_update_header_ipv4(struct mlx5e_priv *priv,
int err;
/* add the IP fields */
- attr.fl.fl4.flowi4_tos = tun_key->tos;
+ attr.fl.fl4.flowi4_tos = tun_key->tos & ~INET_ECN_MASK;
attr.fl.fl4.daddr = tun_key->u.ipv4.dst;
attr.fl.fl4.saddr = tun_key->u.ipv4.src;
attr.ttl = tun_key->ttl;
diff --git a/drivers/net/ethernet/mscc/ocelot.c b/drivers/net/ethernet/mscc/ocelot.c
index b1311b656e17..455293aa6343 100644
--- a/drivers/net/ethernet/mscc/ocelot.c
+++ b/drivers/net/ethernet/mscc/ocelot.c
@@ -771,7 +771,10 @@ void ocelot_phylink_mac_link_up(struct ocelot *ocelot, int port,
ocelot_write_rix(ocelot, 0, ANA_POL_FLOWC, port);
- ocelot_fields_write(ocelot, port, SYS_PAUSE_CFG_PAUSE_ENA, tx_pause);
+ /* Don't attempt to send PAUSE frames on the NPI port, it's broken */
+ if (port != ocelot->npi)
+ ocelot_fields_write(ocelot, port, SYS_PAUSE_CFG_PAUSE_ENA,
+ tx_pause);
/* Undo the effects of ocelot_phylink_mac_link_down:
* enable MAC module
diff --git a/drivers/net/ethernet/mscc/ocelot_flower.c b/drivers/net/ethernet/mscc/ocelot_flower.c
index beb9379424c0..4a0fda22d343 100644
--- a/drivers/net/ethernet/mscc/ocelot_flower.c
+++ b/drivers/net/ethernet/mscc/ocelot_flower.c
@@ -805,13 +805,34 @@ int ocelot_cls_flower_replace(struct ocelot *ocelot, int port,
struct netlink_ext_ack *extack = f->common.extack;
struct ocelot_vcap_filter *filter;
int chain = f->common.chain_index;
- int ret;
+ int block_id, ret;
if (chain && !ocelot_find_vcap_filter_that_points_at(ocelot, chain)) {
NL_SET_ERR_MSG_MOD(extack, "No default GOTO action points to this chain");
return -EOPNOTSUPP;
}
+ block_id = ocelot_chain_to_block(chain, ingress);
+ if (block_id < 0) {
+ NL_SET_ERR_MSG_MOD(extack, "Cannot offload to this chain");
+ return -EOPNOTSUPP;
+ }
+
+ filter = ocelot_vcap_block_find_filter_by_id(&ocelot->block[block_id],
+ f->cookie, true);
+ if (filter) {
+ /* Filter already exists on other ports */
+ if (!ingress) {
+ NL_SET_ERR_MSG_MOD(extack, "VCAP ES0 does not support shared filters");
+ return -EOPNOTSUPP;
+ }
+
+ filter->ingress_port_mask |= BIT(port);
+
+ return ocelot_vcap_filter_replace(ocelot, filter);
+ }
+
+ /* Filter didn't exist, create it now */
filter = ocelot_vcap_filter_create(ocelot, port, ingress, f);
if (!filter)
return -ENOMEM;
@@ -874,6 +895,12 @@ int ocelot_cls_flower_destroy(struct ocelot *ocelot, int port,
if (filter->type == OCELOT_VCAP_FILTER_DUMMY)
return ocelot_vcap_dummy_filter_del(ocelot, filter);
+ if (ingress) {
+ filter->ingress_port_mask &= ~BIT(port);
+ if (filter->ingress_port_mask)
+ return ocelot_vcap_filter_replace(ocelot, filter);
+ }
+
return ocelot_vcap_filter_del(ocelot, filter);
}
EXPORT_SYMBOL_GPL(ocelot_cls_flower_destroy);
diff --git a/drivers/net/ethernet/mscc/ocelot_net.c b/drivers/net/ethernet/mscc/ocelot_net.c
index 8115c3db252e..e271b6225b72 100644
--- a/drivers/net/ethernet/mscc/ocelot_net.c
+++ b/drivers/net/ethernet/mscc/ocelot_net.c
@@ -1187,7 +1187,7 @@ static int ocelot_netdevice_bridge_join(struct net_device *dev,
ocelot_port_bridge_join(ocelot, port, bridge);
err = switchdev_bridge_port_offload(brport_dev, dev, priv,
- &ocelot_netdevice_nb,
+ &ocelot_switchdev_nb,
&ocelot_switchdev_blocking_nb,
false, extack);
if (err)
@@ -1201,7 +1201,7 @@ static int ocelot_netdevice_bridge_join(struct net_device *dev,
err_switchdev_sync:
switchdev_bridge_port_unoffload(brport_dev, priv,
- &ocelot_netdevice_nb,
+ &ocelot_switchdev_nb,
&ocelot_switchdev_blocking_nb);
err_switchdev_offload:
ocelot_port_bridge_leave(ocelot, port, bridge);
@@ -1214,7 +1214,7 @@ static void ocelot_netdevice_pre_bridge_leave(struct net_device *dev,
struct ocelot_port_private *priv = netdev_priv(dev);
switchdev_bridge_port_unoffload(brport_dev, priv,
- &ocelot_netdevice_nb,
+ &ocelot_switchdev_nb,
&ocelot_switchdev_blocking_nb);
}
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-oxnas.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-oxnas.c
index adfeb8d3293d..62a69a91ab22 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-oxnas.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-oxnas.c
@@ -12,6 +12,7 @@
#include <linux/io.h>
#include <linux/module.h>
#include <linux/of.h>
+#include <linux/of_device.h>
#include <linux/platform_device.h>
#include <linux/regmap.h>
#include <linux/mfd/syscon.h>
@@ -48,46 +49,60 @@
#define DWMAC_RX_VARDELAY(d) ((d) << DWMAC_RX_VARDELAY_SHIFT)
#define DWMAC_RXN_VARDELAY(d) ((d) << DWMAC_RXN_VARDELAY_SHIFT)
+struct oxnas_dwmac;
+
+struct oxnas_dwmac_data {
+ int (*setup)(struct oxnas_dwmac *dwmac);
+};
+
struct oxnas_dwmac {
struct device *dev;
struct clk *clk;
struct regmap *regmap;
+ const struct oxnas_dwmac_data *data;
};
-static int oxnas_dwmac_init(struct platform_device *pdev, void *priv)
+static int oxnas_dwmac_setup_ox810se(struct oxnas_dwmac *dwmac)
{
- struct oxnas_dwmac *dwmac = priv;
unsigned int value;
int ret;
- /* Reset HW here before changing the glue configuration */
- ret = device_reset(dwmac->dev);
- if (ret)
+ ret = regmap_read(dwmac->regmap, OXNAS_DWMAC_CTRL_REGOFFSET, &value);
+ if (ret < 0)
return ret;
- ret = clk_prepare_enable(dwmac->clk);
- if (ret)
- return ret;
+ /* Enable GMII_GTXCLK to follow GMII_REFCLK, required for gigabit PHY */
+ value |= BIT(DWMAC_CKEN_GTX) |
+ /* Use simple mux for 25/125 Mhz clock switching */
+ BIT(DWMAC_SIMPLE_MUX);
+
+ regmap_write(dwmac->regmap, OXNAS_DWMAC_CTRL_REGOFFSET, value);
+
+ return 0;
+}
+
+static int oxnas_dwmac_setup_ox820(struct oxnas_dwmac *dwmac)
+{
+ unsigned int value;
+ int ret;
ret = regmap_read(dwmac->regmap, OXNAS_DWMAC_CTRL_REGOFFSET, &value);
- if (ret < 0) {
- clk_disable_unprepare(dwmac->clk);
+ if (ret < 0)
return ret;
- }
/* Enable GMII_GTXCLK to follow GMII_REFCLK, required for gigabit PHY */
value |= BIT(DWMAC_CKEN_GTX) |
/* Use simple mux for 25/125 Mhz clock switching */
- BIT(DWMAC_SIMPLE_MUX) |
- /* set auto switch tx clock source */
- BIT(DWMAC_AUTO_TX_SOURCE) |
- /* enable tx & rx vardelay */
- BIT(DWMAC_CKEN_TX_OUT) |
- BIT(DWMAC_CKEN_TXN_OUT) |
- BIT(DWMAC_CKEN_TX_IN) |
- BIT(DWMAC_CKEN_RX_OUT) |
- BIT(DWMAC_CKEN_RXN_OUT) |
- BIT(DWMAC_CKEN_RX_IN);
+ BIT(DWMAC_SIMPLE_MUX) |
+ /* set auto switch tx clock source */
+ BIT(DWMAC_AUTO_TX_SOURCE) |
+ /* enable tx & rx vardelay */
+ BIT(DWMAC_CKEN_TX_OUT) |
+ BIT(DWMAC_CKEN_TXN_OUT) |
+ BIT(DWMAC_CKEN_TX_IN) |
+ BIT(DWMAC_CKEN_RX_OUT) |
+ BIT(DWMAC_CKEN_RXN_OUT) |
+ BIT(DWMAC_CKEN_RX_IN);
regmap_write(dwmac->regmap, OXNAS_DWMAC_CTRL_REGOFFSET, value);
/* set tx & rx vardelay */
@@ -100,6 +115,27 @@ static int oxnas_dwmac_init(struct platform_device *pdev, void *priv)
return 0;
}
+static int oxnas_dwmac_init(struct platform_device *pdev, void *priv)
+{
+ struct oxnas_dwmac *dwmac = priv;
+ int ret;
+
+ /* Reset HW here before changing the glue configuration */
+ ret = device_reset(dwmac->dev);
+ if (ret)
+ return ret;
+
+ ret = clk_prepare_enable(dwmac->clk);
+ if (ret)
+ return ret;
+
+ ret = dwmac->data->setup(dwmac);
+ if (ret)
+ clk_disable_unprepare(dwmac->clk);
+
+ return ret;
+}
+
static void oxnas_dwmac_exit(struct platform_device *pdev, void *priv)
{
struct oxnas_dwmac *dwmac = priv;
@@ -128,6 +164,12 @@ static int oxnas_dwmac_probe(struct platform_device *pdev)
goto err_remove_config_dt;
}
+ dwmac->data = (const struct oxnas_dwmac_data *)of_device_get_match_data(&pdev->dev);
+ if (!dwmac->data) {
+ ret = -EINVAL;
+ goto err_remove_config_dt;
+ }
+
dwmac->dev = &pdev->dev;
plat_dat->bsp_priv = dwmac;
plat_dat->init = oxnas_dwmac_init;
@@ -166,8 +208,23 @@ err_remove_config_dt:
return ret;
}
+static const struct oxnas_dwmac_data ox810se_dwmac_data = {
+ .setup = oxnas_dwmac_setup_ox810se,
+};
+
+static const struct oxnas_dwmac_data ox820_dwmac_data = {
+ .setup = oxnas_dwmac_setup_ox820,
+};
+
static const struct of_device_id oxnas_dwmac_match[] = {
- { .compatible = "oxsemi,ox820-dwmac" },
+ {
+ .compatible = "oxsemi,ox810se-dwmac",
+ .data = &ox810se_dwmac_data,
+ },
+ {
+ .compatible = "oxsemi,ox820-dwmac",
+ .data = &ox820_dwmac_data,
+ },
{ }
};
MODULE_DEVICE_TABLE(of, oxnas_dwmac_match);
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index 63ff2dad8c85..6708ca2aa4f7 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -7159,7 +7159,8 @@ int stmmac_dvr_probe(struct device *device,
pm_runtime_get_noresume(device);
pm_runtime_set_active(device);
- pm_runtime_enable(device);
+ if (!pm_runtime_enabled(device))
+ pm_runtime_enable(device);
if (priv->hw->pcs != STMMAC_PCS_TBI &&
priv->hw->pcs != STMMAC_PCS_RTBI) {
diff --git a/drivers/net/ipa/ipa_endpoint.c b/drivers/net/ipa/ipa_endpoint.c
index 49d9a077d037..68291a3efd04 100644
--- a/drivers/net/ipa/ipa_endpoint.c
+++ b/drivers/net/ipa/ipa_endpoint.c
@@ -1080,27 +1080,38 @@ static void ipa_endpoint_replenish(struct ipa_endpoint *endpoint, bool add_one)
{
struct gsi *gsi;
u32 backlog;
+ int delta;
- if (!endpoint->replenish_enabled) {
+ if (!test_bit(IPA_REPLENISH_ENABLED, endpoint->replenish_flags)) {
if (add_one)
atomic_inc(&endpoint->replenish_saved);
return;
}
+ /* If already active, just update the backlog */
+ if (test_and_set_bit(IPA_REPLENISH_ACTIVE, endpoint->replenish_flags)) {
+ if (add_one)
+ atomic_inc(&endpoint->replenish_backlog);
+ return;
+ }
+
while (atomic_dec_not_zero(&endpoint->replenish_backlog))
if (ipa_endpoint_replenish_one(endpoint))
goto try_again_later;
+
+ clear_bit(IPA_REPLENISH_ACTIVE, endpoint->replenish_flags);
+
if (add_one)
atomic_inc(&endpoint->replenish_backlog);
return;
try_again_later:
- /* The last one didn't succeed, so fix the backlog */
- backlog = atomic_inc_return(&endpoint->replenish_backlog);
+ clear_bit(IPA_REPLENISH_ACTIVE, endpoint->replenish_flags);
- if (add_one)
- atomic_inc(&endpoint->replenish_backlog);
+ /* The last one didn't succeed, so fix the backlog */
+ delta = add_one ? 2 : 1;
+ backlog = atomic_add_return(delta, &endpoint->replenish_backlog);
/* Whenever a receive buffer transaction completes we'll try to
* replenish again. It's unlikely, but if we fail to supply even
@@ -1120,7 +1131,7 @@ static void ipa_endpoint_replenish_enable(struct ipa_endpoint *endpoint)
u32 max_backlog;
u32 saved;
- endpoint->replenish_enabled = true;
+ set_bit(IPA_REPLENISH_ENABLED, endpoint->replenish_flags);
while ((saved = atomic_xchg(&endpoint->replenish_saved, 0)))
atomic_add(saved, &endpoint->replenish_backlog);
@@ -1134,7 +1145,7 @@ static void ipa_endpoint_replenish_disable(struct ipa_endpoint *endpoint)
{
u32 backlog;
- endpoint->replenish_enabled = false;
+ clear_bit(IPA_REPLENISH_ENABLED, endpoint->replenish_flags);
while ((backlog = atomic_xchg(&endpoint->replenish_backlog, 0)))
atomic_add(backlog, &endpoint->replenish_saved);
}
@@ -1691,7 +1702,8 @@ static void ipa_endpoint_setup_one(struct ipa_endpoint *endpoint)
/* RX transactions require a single TRE, so the maximum
* backlog is the same as the maximum outstanding TREs.
*/
- endpoint->replenish_enabled = false;
+ clear_bit(IPA_REPLENISH_ENABLED, endpoint->replenish_flags);
+ clear_bit(IPA_REPLENISH_ACTIVE, endpoint->replenish_flags);
atomic_set(&endpoint->replenish_saved,
gsi_channel_tre_max(gsi, endpoint->channel_id));
atomic_set(&endpoint->replenish_backlog, 0);
diff --git a/drivers/net/ipa/ipa_endpoint.h b/drivers/net/ipa/ipa_endpoint.h
index 0a859d10312d..0313cdc607de 100644
--- a/drivers/net/ipa/ipa_endpoint.h
+++ b/drivers/net/ipa/ipa_endpoint.h
@@ -41,6 +41,19 @@ enum ipa_endpoint_name {
#define IPA_ENDPOINT_MAX 32 /* Max supported by driver */
/**
+ * enum ipa_replenish_flag: RX buffer replenish flags
+ *
+ * @IPA_REPLENISH_ENABLED: Whether receive buffer replenishing is enabled
+ * @IPA_REPLENISH_ACTIVE: Whether replenishing is underway
+ * @IPA_REPLENISH_COUNT: Number of defined replenish flags
+ */
+enum ipa_replenish_flag {
+ IPA_REPLENISH_ENABLED,
+ IPA_REPLENISH_ACTIVE,
+ IPA_REPLENISH_COUNT, /* Number of flags (must be last) */
+};
+
+/**
* struct ipa_endpoint - IPA endpoint information
* @ipa: IPA pointer
* @ee_id: Execution environmnent endpoint is associated with
@@ -51,7 +64,7 @@ enum ipa_endpoint_name {
* @trans_tre_max: Maximum number of TRE descriptors per transaction
* @evt_ring_id: GSI event ring used by the endpoint
* @netdev: Network device pointer, if endpoint uses one
- * @replenish_enabled: Whether receive buffer replenishing is enabled
+ * @replenish_flags: Replenishing state flags
* @replenish_ready: Number of replenish transactions without doorbell
* @replenish_saved: Replenish requests held while disabled
* @replenish_backlog: Number of buffers needed to fill hardware queue
@@ -72,7 +85,7 @@ struct ipa_endpoint {
struct net_device *netdev;
/* Receive buffer replenishing for RX endpoints */
- bool replenish_enabled;
+ DECLARE_BITMAP(replenish_flags, IPA_REPLENISH_COUNT);
u32 replenish_ready;
atomic_t replenish_saved;
atomic_t replenish_backlog;
diff --git a/drivers/net/phy/at803x.c b/drivers/net/phy/at803x.c
index dae95d9a07e8..5b6c0d120e09 100644
--- a/drivers/net/phy/at803x.c
+++ b/drivers/net/phy/at803x.c
@@ -421,7 +421,7 @@ static int at803x_set_wol(struct phy_device *phydev,
const u8 *mac;
int ret, irq_enabled;
unsigned int i;
- const unsigned int offsets[] = {
+ static const unsigned int offsets[] = {
AT803X_LOC_MAC_ADDR_32_47_OFFSET,
AT803X_LOC_MAC_ADDR_16_31_OFFSET,
AT803X_LOC_MAC_ADDR_0_15_OFFSET,
diff --git a/drivers/net/phy/marvell.c b/drivers/net/phy/marvell.c
index 739859c0dfb1..fa71fb7a66b5 100644
--- a/drivers/net/phy/marvell.c
+++ b/drivers/net/phy/marvell.c
@@ -189,6 +189,8 @@
#define MII_88E1510_GEN_CTRL_REG_1_MODE_RGMII_SGMII 0x4
#define MII_88E1510_GEN_CTRL_REG_1_RESET 0x8000 /* Soft reset */
+#define MII_88E1510_MSCR_2 0x15
+
#define MII_VCT5_TX_RX_MDI0_COUPLING 0x10
#define MII_VCT5_TX_RX_MDI1_COUPLING 0x11
#define MII_VCT5_TX_RX_MDI2_COUPLING 0x12
@@ -1932,6 +1934,58 @@ static void marvell_get_stats(struct phy_device *phydev,
data[i] = marvell_get_stat(phydev, i);
}
+static int m88e1510_loopback(struct phy_device *phydev, bool enable)
+{
+ int err;
+
+ if (enable) {
+ u16 bmcr_ctl = 0, mscr2_ctl = 0;
+
+ if (phydev->speed == SPEED_1000)
+ bmcr_ctl = BMCR_SPEED1000;
+ else if (phydev->speed == SPEED_100)
+ bmcr_ctl = BMCR_SPEED100;
+
+ if (phydev->duplex == DUPLEX_FULL)
+ bmcr_ctl |= BMCR_FULLDPLX;
+
+ err = phy_write(phydev, MII_BMCR, bmcr_ctl);
+ if (err < 0)
+ return err;
+
+ if (phydev->speed == SPEED_1000)
+ mscr2_ctl = BMCR_SPEED1000;
+ else if (phydev->speed == SPEED_100)
+ mscr2_ctl = BMCR_SPEED100;
+
+ err = phy_modify_paged(phydev, MII_MARVELL_MSCR_PAGE,
+ MII_88E1510_MSCR_2, BMCR_SPEED1000 |
+ BMCR_SPEED100, mscr2_ctl);
+ if (err < 0)
+ return err;
+
+ /* Need soft reset to have speed configuration takes effect */
+ err = genphy_soft_reset(phydev);
+ if (err < 0)
+ return err;
+
+ /* FIXME: Based on trial and error test, it seem 1G need to have
+ * delay between soft reset and loopback enablement.
+ */
+ if (phydev->speed == SPEED_1000)
+ msleep(1000);
+
+ return phy_modify(phydev, MII_BMCR, BMCR_LOOPBACK,
+ BMCR_LOOPBACK);
+ } else {
+ err = phy_modify(phydev, MII_BMCR, BMCR_LOOPBACK, 0);
+ if (err < 0)
+ return err;
+
+ return phy_config_aneg(phydev);
+ }
+}
+
static int marvell_vct5_wait_complete(struct phy_device *phydev)
{
int i;
@@ -3078,7 +3132,7 @@ static struct phy_driver marvell_drivers[] = {
.get_sset_count = marvell_get_sset_count,
.get_strings = marvell_get_strings,
.get_stats = marvell_get_stats,
- .set_loopback = genphy_loopback,
+ .set_loopback = m88e1510_loopback,
.get_tunable = m88e1011_get_tunable,
.set_tunable = m88e1011_set_tunable,
.cable_test_start = marvell_vct7_cable_test_start,
diff --git a/drivers/net/phy/sfp.c b/drivers/net/phy/sfp.c
index ab77a9f439ef..4720b24ca51b 100644
--- a/drivers/net/phy/sfp.c
+++ b/drivers/net/phy/sfp.c
@@ -1641,17 +1641,20 @@ static int sfp_sm_probe_for_phy(struct sfp *sfp)
static int sfp_module_parse_power(struct sfp *sfp)
{
u32 power_mW = 1000;
+ bool supports_a2;
if (sfp->id.ext.options & cpu_to_be16(SFP_OPTIONS_POWER_DECL))
power_mW = 1500;
if (sfp->id.ext.options & cpu_to_be16(SFP_OPTIONS_HIGH_POWER_LEVEL))
power_mW = 2000;
+ supports_a2 = sfp->id.ext.sff8472_compliance !=
+ SFP_SFF8472_COMPLIANCE_NONE ||
+ sfp->id.ext.diagmon & SFP_DIAGMON_DDM;
+
if (power_mW > sfp->max_power_mW) {
/* Module power specification exceeds the allowed maximum. */
- if (sfp->id.ext.sff8472_compliance ==
- SFP_SFF8472_COMPLIANCE_NONE &&
- !(sfp->id.ext.diagmon & SFP_DIAGMON_DDM)) {
+ if (!supports_a2) {
/* The module appears not to implement bus address
* 0xa2, so assume that the module powers up in the
* indicated mode.
@@ -1668,11 +1671,25 @@ static int sfp_module_parse_power(struct sfp *sfp)
}
}
+ if (power_mW <= 1000) {
+ /* Modules below 1W do not require a power change sequence */
+ sfp->module_power_mW = power_mW;
+ return 0;
+ }
+
+ if (!supports_a2) {
+ /* The module power level is below the host maximum and the
+ * module appears not to implement bus address 0xa2, so assume
+ * that the module powers up in the indicated mode.
+ */
+ return 0;
+ }
+
/* If the module requires a higher power mode, but also requires
* an address change sequence, warn the user that the module may
* not be functional.
*/
- if (sfp->id.ext.diagmon & SFP_DIAGMON_ADDRMODE && power_mW > 1000) {
+ if (sfp->id.ext.diagmon & SFP_DIAGMON_ADDRMODE) {
dev_warn(sfp->dev,
"Address Change Sequence not supported but module requires %u.%uW, module may not be functional\n",
power_mW / 1000, (power_mW / 100) % 10);
diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c
index f510e8219470..37e5f3495362 100644
--- a/drivers/net/usb/qmi_wwan.c
+++ b/drivers/net/usb/qmi_wwan.c
@@ -1316,6 +1316,7 @@ static const struct usb_device_id products[] = {
{QMI_FIXED_INTF(0x19d2, 0x1426, 2)}, /* ZTE MF91 */
{QMI_FIXED_INTF(0x19d2, 0x1428, 2)}, /* Telewell TW-LTE 4G v2 */
{QMI_FIXED_INTF(0x19d2, 0x1432, 3)}, /* ZTE ME3620 */
+ {QMI_FIXED_INTF(0x19d2, 0x1485, 5)}, /* ZTE MF286D */
{QMI_FIXED_INTF(0x19d2, 0x2002, 4)}, /* ZTE (Vodafone) K3765-Z */
{QMI_FIXED_INTF(0x2001, 0x7e16, 3)}, /* D-Link DWM-221 */
{QMI_FIXED_INTF(0x2001, 0x7e19, 4)}, /* D-Link DWM-221 B1 */
@@ -1401,6 +1402,7 @@ static const struct usb_device_id products[] = {
{QMI_FIXED_INTF(0x413c, 0x81e0, 0)}, /* Dell Wireless 5821e with eSIM support*/
{QMI_FIXED_INTF(0x03f0, 0x4e1d, 8)}, /* HP lt4111 LTE/EV-DO/HSPA+ Gobi 4G Module */
{QMI_FIXED_INTF(0x03f0, 0x9d1d, 1)}, /* HP lt4120 Snapdragon X5 LTE */
+ {QMI_QUIRK_SET_DTR(0x22de, 0x9051, 2)}, /* Hucom Wireless HM-211S/K */
{QMI_FIXED_INTF(0x22de, 0x9061, 3)}, /* WeTelecom WPD-600N */
{QMI_QUIRK_SET_DTR(0x1e0e, 0x9001, 5)}, /* SIMCom 7100E, 7230E, 7600E ++ */
{QMI_QUIRK_SET_DTR(0x2c7c, 0x0121, 4)}, /* Quectel EC21 Mini PCIe */
diff --git a/drivers/net/usb/smsc95xx.c b/drivers/net/usb/smsc95xx.c
index abe0149ed917..bc1e3dd67c04 100644
--- a/drivers/net/usb/smsc95xx.c
+++ b/drivers/net/usb/smsc95xx.c
@@ -1962,7 +1962,8 @@ static const struct driver_info smsc95xx_info = {
.bind = smsc95xx_bind,
.unbind = smsc95xx_unbind,
.link_reset = smsc95xx_link_reset,
- .reset = smsc95xx_start_phy,
+ .reset = smsc95xx_reset,
+ .check_connect = smsc95xx_start_phy,
.stop = smsc95xx_stop,
.rx_fixup = smsc95xx_rx_fixup,
.tx_fixup = smsc95xx_tx_fixup,
diff --git a/drivers/net/wwan/mhi_wwan_mbim.c b/drivers/net/wwan/mhi_wwan_mbim.c
index 71bf9b4f769f..6872782e8dd8 100644
--- a/drivers/net/wwan/mhi_wwan_mbim.c
+++ b/drivers/net/wwan/mhi_wwan_mbim.c
@@ -385,13 +385,13 @@ static void mhi_net_rx_refill_work(struct work_struct *work)
int err;
while (!mhi_queue_is_full(mdev, DMA_FROM_DEVICE)) {
- struct sk_buff *skb = alloc_skb(MHI_DEFAULT_MRU, GFP_KERNEL);
+ struct sk_buff *skb = alloc_skb(mbim->mru, GFP_KERNEL);
if (unlikely(!skb))
break;
err = mhi_queue_skb(mdev, DMA_FROM_DEVICE, skb,
- MHI_DEFAULT_MRU, MHI_EOT);
+ mbim->mru, MHI_EOT);
if (unlikely(err)) {
kfree_skb(skb);
break;
diff --git a/drivers/nfc/pn544/i2c.c b/drivers/nfc/pn544/i2c.c
index 37d26f01986b..62a0f1a010cb 100644
--- a/drivers/nfc/pn544/i2c.c
+++ b/drivers/nfc/pn544/i2c.c
@@ -188,7 +188,7 @@ do { \
static void pn544_hci_i2c_platform_init(struct pn544_i2c_phy *phy)
{
int polarity, retry, ret;
- char rset_cmd[] = { 0x05, 0xF9, 0x04, 0x00, 0xC3, 0xE5 };
+ static const char rset_cmd[] = { 0x05, 0xF9, 0x04, 0x00, 0xC3, 0xE5 };
int count = sizeof(rset_cmd);
nfc_info(&phy->i2c_dev->dev, "Detecting nfc_en polarity\n");
diff --git a/drivers/nfc/st21nfca/se.c b/drivers/nfc/st21nfca/se.c
index a43fc4117fa5..c922f10d0d7b 100644
--- a/drivers/nfc/st21nfca/se.c
+++ b/drivers/nfc/st21nfca/se.c
@@ -316,6 +316,11 @@ int st21nfca_connectivity_event_received(struct nfc_hci_dev *hdev, u8 host,
return -ENOMEM;
transaction->aid_len = skb->data[1];
+
+ /* Checking if the length of the AID is valid */
+ if (transaction->aid_len > sizeof(transaction->aid))
+ return -EINVAL;
+
memcpy(transaction->aid, &skb->data[2],
transaction->aid_len);
@@ -325,6 +330,11 @@ int st21nfca_connectivity_event_received(struct nfc_hci_dev *hdev, u8 host,
return -EPROTO;
transaction->params_len = skb->data[transaction->aid_len + 3];
+
+ /* Total size is allocated (skb->len - 2) minus fixed array members */
+ if (transaction->params_len > ((skb->len - 2) - sizeof(struct nfc_evt_transaction)))
+ return -EINVAL;
+
memcpy(transaction->params, skb->data +
transaction->aid_len + 4, transaction->params_len);
diff --git a/include/net/inet_frag.h b/include/net/inet_frag.h
index 48cc5795ceda..63540be0fc34 100644
--- a/include/net/inet_frag.h
+++ b/include/net/inet_frag.h
@@ -117,8 +117,15 @@ int fqdir_init(struct fqdir **fqdirp, struct inet_frags *f, struct net *net);
static inline void fqdir_pre_exit(struct fqdir *fqdir)
{
- fqdir->high_thresh = 0; /* prevent creation of new frags */
- fqdir->dead = true;
+ /* Prevent creation of new frags.
+ * Pairs with READ_ONCE() in inet_frag_find().
+ */
+ WRITE_ONCE(fqdir->high_thresh, 0);
+
+ /* Pairs with READ_ONCE() in inet_frag_kill(), ip_expire()
+ * and ip6frag_expire_frag_queue().
+ */
+ WRITE_ONCE(fqdir->dead, true);
}
void fqdir_exit(struct fqdir *fqdir);
diff --git a/include/net/ipv6_frag.h b/include/net/ipv6_frag.h
index 851029ecff13..0a4779175a52 100644
--- a/include/net/ipv6_frag.h
+++ b/include/net/ipv6_frag.h
@@ -67,7 +67,8 @@ ip6frag_expire_frag_queue(struct net *net, struct frag_queue *fq)
struct sk_buff *head;
rcu_read_lock();
- if (fq->q.fqdir->dead)
+ /* Paired with the WRITE_ONCE() in fqdir_pre_exit(). */
+ if (READ_ONCE(fq->q.fqdir->dead))
goto out_rcu_unlock;
spin_lock(&fq->q.lock);
diff --git a/include/net/pkt_cls.h b/include/net/pkt_cls.h
index ebef45e821af..676cb8ea9e15 100644
--- a/include/net/pkt_cls.h
+++ b/include/net/pkt_cls.h
@@ -218,8 +218,10 @@ static inline int tcf_exts_init(struct tcf_exts *exts, struct net *net,
#ifdef CONFIG_NET_CLS_ACT
exts->type = 0;
exts->nr_actions = 0;
+ /* Note: we do not own yet a reference on net.
+ * This reference might be taken later from tcf_exts_get_net().
+ */
exts->net = net;
- netns_tracker_alloc(net, &exts->ns_tracker, GFP_KERNEL);
exts->actions = kcalloc(TCA_ACT_MAX_PRIO, sizeof(struct tc_action *),
GFP_KERNEL);
if (!exts->actions)
diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h
index c11dbac5abb2..472843eedbae 100644
--- a/include/net/sch_generic.h
+++ b/include/net/sch_generic.h
@@ -1244,6 +1244,7 @@ struct psched_ratecfg {
u64 rate_bytes_ps; /* bytes per second */
u32 mult;
u16 overhead;
+ u16 mpu;
u8 linklayer;
u8 shift;
};
@@ -1253,6 +1254,9 @@ static inline u64 psched_l2t_ns(const struct psched_ratecfg *r,
{
len += r->overhead;
+ if (len < r->mpu)
+ len = r->mpu;
+
if (unlikely(r->linklayer == TC_LINKLAYER_ATM))
return ((u64)(DIV_ROUND_UP(len,48)*53) * r->mult) >> r->shift;
@@ -1275,6 +1279,7 @@ static inline void psched_ratecfg_getrate(struct tc_ratespec *res,
res->rate = min_t(u64, r->rate_bytes_ps, ~0U);
res->overhead = r->overhead;
+ res->mpu = r->mpu;
res->linklayer = (r->linklayer & TC_LINKLAYER_MASK);
}
diff --git a/lib/ref_tracker.c b/lib/ref_tracker.c
index 0ae2e66dcf0f..a6789c0c626b 100644
--- a/lib/ref_tracker.c
+++ b/lib/ref_tracker.c
@@ -69,9 +69,12 @@ int ref_tracker_alloc(struct ref_tracker_dir *dir,
unsigned long entries[REF_TRACKER_STACK_ENTRIES];
struct ref_tracker *tracker;
unsigned int nr_entries;
+ gfp_t gfp_mask = gfp;
unsigned long flags;
- *trackerp = tracker = kzalloc(sizeof(*tracker), gfp | __GFP_NOFAIL);
+ if (gfp & __GFP_DIRECT_RECLAIM)
+ gfp_mask |= __GFP_NOFAIL;
+ *trackerp = tracker = kzalloc(sizeof(*tracker), gfp_mask);
if (unlikely(!tracker)) {
pr_err_once("memory allocation failure, unreliable refcount tracker.\n");
refcount_inc(&dir->untracked);
diff --git a/net/bridge/br_if.c b/net/bridge/br_if.c
index a52ad81596b7..55f47cadb114 100644
--- a/net/bridge/br_if.c
+++ b/net/bridge/br_if.c
@@ -615,6 +615,7 @@ int br_add_if(struct net_bridge *br, struct net_device *dev,
err = dev_set_allmulti(dev, 1);
if (err) {
br_multicast_del_port(p);
+ dev_put_track(dev, &p->dev_tracker);
kfree(p); /* kobject not yet init'd, manually free */
goto err1;
}
@@ -724,10 +725,10 @@ err3:
sysfs_remove_link(br->ifobj, p->dev->name);
err2:
br_multicast_del_port(p);
+ dev_put_track(dev, &p->dev_tracker);
kobject_put(&p->kobj);
dev_set_allmulti(dev, -1);
err1:
- dev_put(dev);
return err;
}
diff --git a/net/core/net_namespace.c b/net/core/net_namespace.c
index 9b7171c40434..a5b5bb99c644 100644
--- a/net/core/net_namespace.c
+++ b/net/core/net_namespace.c
@@ -164,8 +164,10 @@ static void ops_exit_list(const struct pernet_operations *ops,
{
struct net *net;
if (ops->exit) {
- list_for_each_entry(net, net_exit_list, exit_list)
+ list_for_each_entry(net, net_exit_list, exit_list) {
ops->exit(net);
+ cond_resched();
+ }
}
if (ops->exit_batch)
ops->exit_batch(net_exit_list);
diff --git a/net/core/of_net.c b/net/core/of_net.c
index 95a64c813ae5..f1a9bf7578e7 100644
--- a/net/core/of_net.c
+++ b/net/core/of_net.c
@@ -61,7 +61,7 @@ static int of_get_mac_addr_nvmem(struct device_node *np, u8 *addr)
{
struct platform_device *pdev = of_find_device_by_node(np);
struct nvmem_cell *cell;
- const void *buf;
+ const void *mac;
size_t len;
int ret;
@@ -78,32 +78,21 @@ static int of_get_mac_addr_nvmem(struct device_node *np, u8 *addr)
if (IS_ERR(cell))
return PTR_ERR(cell);
- buf = nvmem_cell_read(cell, &len);
+ mac = nvmem_cell_read(cell, &len);
nvmem_cell_put(cell);
- if (IS_ERR(buf))
- return PTR_ERR(buf);
-
- ret = 0;
- if (len == ETH_ALEN) {
- if (is_valid_ether_addr(buf))
- memcpy(addr, buf, ETH_ALEN);
- else
- ret = -EINVAL;
- } else if (len == 3 * ETH_ALEN - 1) {
- u8 mac[ETH_ALEN];
-
- if (mac_pton(buf, mac))
- memcpy(addr, mac, ETH_ALEN);
- else
- ret = -EINVAL;
- } else {
- ret = -EINVAL;
+ if (IS_ERR(mac))
+ return PTR_ERR(mac);
+
+ if (len != ETH_ALEN || !is_valid_ether_addr(mac)) {
+ kfree(mac);
+ return -EINVAL;
}
- kfree(buf);
+ memcpy(addr, mac, ETH_ALEN);
+ kfree(mac);
- return ret;
+ return 0;
}
/**
diff --git a/net/core/sock.c b/net/core/sock.c
index e21485ab285d..4ff806d71921 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -844,6 +844,8 @@ static int sock_timestamping_bind_phc(struct sock *sk, int phc_index)
}
num = ethtool_get_phc_vclocks(dev, &vclock_index);
+ dev_put(dev);
+
for (i = 0; i < num; i++) {
if (*(vclock_index + i) == phc_index) {
match = true;
@@ -2047,6 +2049,9 @@ void sk_destruct(struct sock *sk)
{
bool use_call_rcu = sock_flag(sk, SOCK_RCU_FREE);
+ WARN_ON_ONCE(!llist_empty(&sk->defer_list));
+ sk_defer_free_flush(sk);
+
if (rcu_access_pointer(sk->sk_reuseport_cb)) {
reuseport_detach_sock(sk);
use_call_rcu = true;
diff --git a/net/ipv4/fib_semantics.c b/net/ipv4/fib_semantics.c
index 828de171708f..45619c005b8d 100644
--- a/net/ipv4/fib_semantics.c
+++ b/net/ipv4/fib_semantics.c
@@ -249,7 +249,6 @@ void free_fib_info(struct fib_info *fi)
pr_warn("Freeing alive fib_info %p\n", fi);
return;
}
- fib_info_cnt--;
call_rcu(&fi->rcu, free_fib_info_rcu);
}
@@ -260,6 +259,10 @@ void fib_release_info(struct fib_info *fi)
spin_lock_bh(&fib_info_lock);
if (fi && refcount_dec_and_test(&fi->fib_treeref)) {
hlist_del(&fi->fib_hash);
+
+ /* Paired with READ_ONCE() in fib_create_info(). */
+ WRITE_ONCE(fib_info_cnt, fib_info_cnt - 1);
+
if (fi->fib_prefsrc)
hlist_del(&fi->fib_lhash);
if (fi->nh) {
@@ -1430,7 +1433,9 @@ struct fib_info *fib_create_info(struct fib_config *cfg,
#endif
err = -ENOBUFS;
- if (fib_info_cnt >= fib_info_hash_size) {
+
+ /* Paired with WRITE_ONCE() in fib_release_info() */
+ if (READ_ONCE(fib_info_cnt) >= fib_info_hash_size) {
unsigned int new_size = fib_info_hash_size << 1;
struct hlist_head *new_info_hash;
struct hlist_head *new_laddrhash;
@@ -1462,7 +1467,6 @@ struct fib_info *fib_create_info(struct fib_config *cfg,
return ERR_PTR(err);
}
- fib_info_cnt++;
fi->fib_net = net;
fi->fib_protocol = cfg->fc_protocol;
fi->fib_scope = cfg->fc_scope;
@@ -1591,6 +1595,7 @@ link_it:
refcount_set(&fi->fib_treeref, 1);
refcount_set(&fi->fib_clntref, 1);
spin_lock_bh(&fib_info_lock);
+ fib_info_cnt++;
hlist_add_head(&fi->fib_hash,
&fib_info_hash[fib_info_hashfn(fi)]);
if (fi->fib_prefsrc) {
diff --git a/net/ipv4/inet_fragment.c b/net/ipv4/inet_fragment.c
index 05cd198d7a6b..341096807100 100644
--- a/net/ipv4/inet_fragment.c
+++ b/net/ipv4/inet_fragment.c
@@ -235,9 +235,9 @@ void inet_frag_kill(struct inet_frag_queue *fq)
/* The RCU read lock provides a memory barrier
* guaranteeing that if fqdir->dead is false then
* the hash table destruction will not start until
- * after we unlock. Paired with inet_frags_exit_net().
+ * after we unlock. Paired with fqdir_pre_exit().
*/
- if (!fqdir->dead) {
+ if (!READ_ONCE(fqdir->dead)) {
rhashtable_remove_fast(&fqdir->rhashtable, &fq->node,
fqdir->f->rhash_params);
refcount_dec(&fq->refcnt);
@@ -352,9 +352,11 @@ static struct inet_frag_queue *inet_frag_create(struct fqdir *fqdir,
/* TODO : call from rcu_read_lock() and no longer use refcount_inc_not_zero() */
struct inet_frag_queue *inet_frag_find(struct fqdir *fqdir, void *key)
{
+ /* This pairs with WRITE_ONCE() in fqdir_pre_exit(). */
+ long high_thresh = READ_ONCE(fqdir->high_thresh);
struct inet_frag_queue *fq = NULL, *prev;
- if (!fqdir->high_thresh || frag_mem_limit(fqdir) > fqdir->high_thresh)
+ if (!high_thresh || frag_mem_limit(fqdir) > high_thresh)
return NULL;
rcu_read_lock();
diff --git a/net/ipv4/ip_fragment.c b/net/ipv4/ip_fragment.c
index cfeb8890f94e..fad803d2d711 100644
--- a/net/ipv4/ip_fragment.c
+++ b/net/ipv4/ip_fragment.c
@@ -144,7 +144,8 @@ static void ip_expire(struct timer_list *t)
rcu_read_lock();
- if (qp->q.fqdir->dead)
+ /* Paired with WRITE_ONCE() in fqdir_pre_exit(). */
+ if (READ_ONCE(qp->q.fqdir->dead))
goto out_rcu_unlock;
spin_lock(&qp->q.lock);
diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c
index 2ac2b95c5694..99db2e41ed10 100644
--- a/net/ipv4/ip_gre.c
+++ b/net/ipv4/ip_gre.c
@@ -604,8 +604,9 @@ static int gre_fill_metadata_dst(struct net_device *dev, struct sk_buff *skb)
key = &info->key;
ip_tunnel_init_flow(&fl4, IPPROTO_GRE, key->u.ipv4.dst, key->u.ipv4.src,
- tunnel_id_to_key32(key->tun_id), key->tos, 0,
- skb->mark, skb_get_hash(skb));
+ tunnel_id_to_key32(key->tun_id),
+ key->tos & ~INET_ECN_MASK, 0, skb->mark,
+ skb_get_hash(skb));
rt = ip_route_output_key(dev_net(dev), &fl4);
if (IS_ERR(rt))
return PTR_ERR(rt);
diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c
index a618dce7e0bc..c0b138c20992 100644
--- a/net/ipv6/sit.c
+++ b/net/ipv6/sit.c
@@ -956,7 +956,7 @@ static netdev_tx_t ipip6_tunnel_xmit(struct sk_buff *skb,
dst_cache_set_ip4(&tunnel->dst_cache, &rt->dst, fl4.saddr);
}
- if (rt->rt_type != RTN_UNICAST) {
+ if (rt->rt_type != RTN_UNICAST && rt->rt_type != RTN_LOCAL) {
ip_rt_put(rt);
dev->stats.tx_carrier_errors++;
goto tx_error_icmp;
diff --git a/net/mctp/test/route-test.c b/net/mctp/test/route-test.c
index 86ad15abf897..750f9f9b4daf 100644
--- a/net/mctp/test/route-test.c
+++ b/net/mctp/test/route-test.c
@@ -285,7 +285,7 @@ static void __mctp_route_test_init(struct kunit *test,
struct mctp_test_route **rtp,
struct socket **sockp)
{
- struct sockaddr_mctp addr;
+ struct sockaddr_mctp addr = {0};
struct mctp_test_route *rt;
struct mctp_test_dev *dev;
struct socket *sock;
diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c
index c9c6f49f9c28..2cb496c84878 100644
--- a/net/sched/sch_api.c
+++ b/net/sched/sch_api.c
@@ -1062,7 +1062,7 @@ static int qdisc_graft(struct net_device *dev, struct Qdisc *parent,
qdisc_offload_graft_root(dev, new, old, extack);
- if (new && new->ops->attach)
+ if (new && new->ops->attach && !ingress)
goto skip;
for (i = 0; i < num_q; i++) {
diff --git a/net/sched/sch_generic.c b/net/sched/sch_generic.c
index b07bd1c7330f..f893d9a81b01 100644
--- a/net/sched/sch_generic.c
+++ b/net/sched/sch_generic.c
@@ -1529,6 +1529,7 @@ void psched_ratecfg_precompute(struct psched_ratecfg *r,
{
memset(r, 0, sizeof(*r));
r->overhead = conf->overhead;
+ r->mpu = conf->mpu;
r->rate_bytes_ps = max_t(u64, conf->rate, rate64);
r->linklayer = (conf->linklayer & TC_LINKLAYER_MASK);
psched_ratecfg_precompute__(r->rate_bytes_ps, &r->mult, &r->shift);
diff --git a/net/smc/af_smc.c b/net/smc/af_smc.c
index aa3bcaaeabf7..961854e56736 100644
--- a/net/smc/af_smc.c
+++ b/net/smc/af_smc.c
@@ -634,9 +634,13 @@ static void smc_conn_abort(struct smc_sock *smc, int local_first)
{
struct smc_connection *conn = &smc->conn;
struct smc_link_group *lgr = conn->lgr;
+ bool lgr_valid = false;
+
+ if (smc_conn_lgr_valid(conn))
+ lgr_valid = true;
smc_conn_free(conn);
- if (local_first)
+ if (local_first && lgr_valid)
smc_lgr_cleanup_early(lgr);
}
diff --git a/net/smc/smc.h b/net/smc/smc.h
index 1a4fc1c6c4ab..3d0b8e300deb 100644
--- a/net/smc/smc.h
+++ b/net/smc/smc.h
@@ -221,6 +221,7 @@ struct smc_connection {
*/
u64 peer_token; /* SMC-D token of peer */
u8 killed : 1; /* abnormal termination */
+ u8 freed : 1; /* normal termiation */
u8 out_of_sync : 1; /* out of sync with peer */
};
diff --git a/net/smc/smc_cdc.c b/net/smc/smc_cdc.c
index 84c8a4374fdd..9d5a97168969 100644
--- a/net/smc/smc_cdc.c
+++ b/net/smc/smc_cdc.c
@@ -197,7 +197,8 @@ int smc_cdc_get_slot_and_msg_send(struct smc_connection *conn)
{
int rc;
- if (!conn->lgr || (conn->lgr->is_smcd && conn->lgr->peer_shutdown))
+ if (!smc_conn_lgr_valid(conn) ||
+ (conn->lgr->is_smcd && conn->lgr->peer_shutdown))
return -EPIPE;
if (conn->lgr->is_smcd) {
diff --git a/net/smc/smc_clc.c b/net/smc/smc_clc.c
index 6be95a2a7b25..ce27399b38b1 100644
--- a/net/smc/smc_clc.c
+++ b/net/smc/smc_clc.c
@@ -774,7 +774,7 @@ int smc_clc_send_decline(struct smc_sock *smc, u32 peer_diag_info, u8 version)
dclc.os_type = version == SMC_V1 ? 0 : SMC_CLC_OS_LINUX;
dclc.hdr.typev2 = (peer_diag_info == SMC_CLC_DECL_SYNCERR) ?
SMC_FIRST_CONTACT_MASK : 0;
- if ((!smc->conn.lgr || !smc->conn.lgr->is_smcd) &&
+ if ((!smc_conn_lgr_valid(&smc->conn) || !smc->conn.lgr->is_smcd) &&
smc_ib_is_valid_local_systemid())
memcpy(dclc.id_for_peer, local_systemid,
sizeof(local_systemid));
diff --git a/net/smc/smc_core.c b/net/smc/smc_core.c
index 8935ef4811b0..29525d03b253 100644
--- a/net/smc/smc_core.c
+++ b/net/smc/smc_core.c
@@ -211,14 +211,13 @@ static void smc_lgr_unregister_conn(struct smc_connection *conn)
{
struct smc_link_group *lgr = conn->lgr;
- if (!lgr)
+ if (!smc_conn_lgr_valid(conn))
return;
write_lock_bh(&lgr->conns_lock);
if (conn->alert_token_local) {
__smc_lgr_unregister_conn(conn);
}
write_unlock_bh(&lgr->conns_lock);
- conn->lgr = NULL;
}
int smc_nl_get_sys_info(struct sk_buff *skb, struct netlink_callback *cb)
@@ -749,9 +748,12 @@ int smcr_link_init(struct smc_link_group *lgr, struct smc_link *lnk,
}
get_device(&lnk->smcibdev->ibdev->dev);
atomic_inc(&lnk->smcibdev->lnk_cnt);
+ refcount_set(&lnk->refcnt, 1); /* link refcnt is set to 1 */
+ lnk->clearing = 0;
lnk->path_mtu = lnk->smcibdev->pattr[lnk->ibport - 1].active_mtu;
lnk->link_id = smcr_next_link_id(lgr);
lnk->lgr = lgr;
+ smc_lgr_hold(lgr); /* lgr_put in smcr_link_clear() */
lnk->link_idx = link_idx;
smc_ibdev_cnt_inc(lnk);
smcr_copy_dev_info_to_link(lnk);
@@ -806,6 +808,7 @@ out:
lnk->state = SMC_LNK_UNUSED;
if (!atomic_dec_return(&smcibdev->lnk_cnt))
wake_up(&smcibdev->lnks_deleted);
+ smc_lgr_put(lgr); /* lgr_hold above */
return rc;
}
@@ -844,6 +847,7 @@ static int smc_lgr_create(struct smc_sock *smc, struct smc_init_info *ini)
lgr->terminating = 0;
lgr->freeing = 0;
lgr->vlan_id = ini->vlan_id;
+ refcount_set(&lgr->refcnt, 1); /* set lgr refcnt to 1 */
mutex_init(&lgr->sndbufs_lock);
mutex_init(&lgr->rmbs_lock);
rwlock_init(&lgr->conns_lock);
@@ -996,8 +1000,12 @@ void smc_switch_link_and_count(struct smc_connection *conn,
struct smc_link *to_lnk)
{
atomic_dec(&conn->lnk->conn_cnt);
+ /* link_hold in smc_conn_create() */
+ smcr_link_put(conn->lnk);
conn->lnk = to_lnk;
atomic_inc(&conn->lnk->conn_cnt);
+ /* link_put in smc_conn_free() */
+ smcr_link_hold(conn->lnk);
}
struct smc_link *smc_switch_conns(struct smc_link_group *lgr,
@@ -1130,8 +1138,19 @@ void smc_conn_free(struct smc_connection *conn)
{
struct smc_link_group *lgr = conn->lgr;
- if (!lgr)
+ if (!lgr || conn->freed)
+ /* Connection has never been registered in a
+ * link group, or has already been freed.
+ */
return;
+
+ conn->freed = 1;
+ if (!smc_conn_lgr_valid(conn))
+ /* Connection has already unregistered from
+ * link group.
+ */
+ goto lgr_put;
+
if (lgr->is_smcd) {
if (!list_empty(&lgr->list))
smc_ism_unset_conn(conn);
@@ -1148,6 +1167,10 @@ void smc_conn_free(struct smc_connection *conn)
if (!lgr->conns_num)
smc_lgr_schedule_free_work(lgr);
+lgr_put:
+ if (!lgr->is_smcd)
+ smcr_link_put(conn->lnk); /* link_hold in smc_conn_create() */
+ smc_lgr_put(lgr); /* lgr_hold in smc_conn_create() */
}
/* unregister a link from a buf_desc */
@@ -1203,13 +1226,29 @@ static void smcr_rtoken_clear_link(struct smc_link *lnk)
}
}
-/* must be called under lgr->llc_conf_mutex lock */
-void smcr_link_clear(struct smc_link *lnk, bool log)
+static void __smcr_link_clear(struct smc_link *lnk)
{
+ struct smc_link_group *lgr = lnk->lgr;
struct smc_ib_device *smcibdev;
- if (!lnk->lgr || lnk->state == SMC_LNK_UNUSED)
+ smc_wr_free_link_mem(lnk);
+ smc_ibdev_cnt_dec(lnk);
+ put_device(&lnk->smcibdev->ibdev->dev);
+ smcibdev = lnk->smcibdev;
+ memset(lnk, 0, sizeof(struct smc_link));
+ lnk->state = SMC_LNK_UNUSED;
+ if (!atomic_dec_return(&smcibdev->lnk_cnt))
+ wake_up(&smcibdev->lnks_deleted);
+ smc_lgr_put(lgr); /* lgr_hold in smcr_link_init() */
+}
+
+/* must be called under lgr->llc_conf_mutex lock */
+void smcr_link_clear(struct smc_link *lnk, bool log)
+{
+ if (!lnk->lgr || lnk->clearing ||
+ lnk->state == SMC_LNK_UNUSED)
return;
+ lnk->clearing = 1;
lnk->peer_qpn = 0;
smc_llc_link_clear(lnk, log);
smcr_buf_unmap_lgr(lnk);
@@ -1218,14 +1257,18 @@ void smcr_link_clear(struct smc_link *lnk, bool log)
smc_wr_free_link(lnk);
smc_ib_destroy_queue_pair(lnk);
smc_ib_dealloc_protection_domain(lnk);
- smc_wr_free_link_mem(lnk);
- smc_ibdev_cnt_dec(lnk);
- put_device(&lnk->smcibdev->ibdev->dev);
- smcibdev = lnk->smcibdev;
- memset(lnk, 0, sizeof(struct smc_link));
- lnk->state = SMC_LNK_UNUSED;
- if (!atomic_dec_return(&smcibdev->lnk_cnt))
- wake_up(&smcibdev->lnks_deleted);
+ smcr_link_put(lnk); /* theoretically last link_put */
+}
+
+void smcr_link_hold(struct smc_link *lnk)
+{
+ refcount_inc(&lnk->refcnt);
+}
+
+void smcr_link_put(struct smc_link *lnk)
+{
+ if (refcount_dec_and_test(&lnk->refcnt))
+ __smcr_link_clear(lnk);
}
static void smcr_buf_free(struct smc_link_group *lgr, bool is_rmb,
@@ -1290,6 +1333,21 @@ static void smc_lgr_free_bufs(struct smc_link_group *lgr)
__smc_lgr_free_bufs(lgr, true);
}
+/* won't be freed until no one accesses to lgr anymore */
+static void __smc_lgr_free(struct smc_link_group *lgr)
+{
+ smc_lgr_free_bufs(lgr);
+ if (lgr->is_smcd) {
+ if (!atomic_dec_return(&lgr->smcd->lgr_cnt))
+ wake_up(&lgr->smcd->lgrs_deleted);
+ } else {
+ smc_wr_free_lgr_mem(lgr);
+ if (!atomic_dec_return(&lgr_cnt))
+ wake_up(&lgrs_deleted);
+ }
+ kfree(lgr);
+}
+
/* remove a link group */
static void smc_lgr_free(struct smc_link_group *lgr)
{
@@ -1305,19 +1363,23 @@ static void smc_lgr_free(struct smc_link_group *lgr)
smc_llc_lgr_clear(lgr);
}
- smc_lgr_free_bufs(lgr);
destroy_workqueue(lgr->tx_wq);
if (lgr->is_smcd) {
smc_ism_put_vlan(lgr->smcd, lgr->vlan_id);
put_device(&lgr->smcd->dev);
- if (!atomic_dec_return(&lgr->smcd->lgr_cnt))
- wake_up(&lgr->smcd->lgrs_deleted);
- } else {
- smc_wr_free_lgr_mem(lgr);
- if (!atomic_dec_return(&lgr_cnt))
- wake_up(&lgrs_deleted);
}
- kfree(lgr);
+ smc_lgr_put(lgr); /* theoretically last lgr_put */
+}
+
+void smc_lgr_hold(struct smc_link_group *lgr)
+{
+ refcount_inc(&lgr->refcnt);
+}
+
+void smc_lgr_put(struct smc_link_group *lgr)
+{
+ if (refcount_dec_and_test(&lgr->refcnt))
+ __smc_lgr_free(lgr);
}
static void smc_sk_wake_ups(struct smc_sock *smc)
@@ -1469,16 +1531,11 @@ void smc_smcd_terminate_all(struct smcd_dev *smcd)
/* Called when an SMCR device is removed or the smc module is unloaded.
* If smcibdev is given, all SMCR link groups using this device are terminated.
* If smcibdev is NULL, all SMCR link groups are terminated.
- *
- * We must wait here for QPs been destroyed before we destroy the CQs,
- * or we won't received any CQEs and cdc_pend_tx_wr cannot reach 0 thus
- * smc_sock cannot be released.
*/
void smc_smcr_terminate_all(struct smc_ib_device *smcibdev)
{
struct smc_link_group *lgr, *lg;
LIST_HEAD(lgr_free_list);
- LIST_HEAD(lgr_linkdown_list);
int i;
spin_lock_bh(&smc_lgr_list.lock);
@@ -1490,7 +1547,7 @@ void smc_smcr_terminate_all(struct smc_ib_device *smcibdev)
list_for_each_entry_safe(lgr, lg, &smc_lgr_list.list, list) {
for (i = 0; i < SMC_LINKS_PER_LGR_MAX; i++) {
if (lgr->lnk[i].smcibdev == smcibdev)
- list_move_tail(&lgr->list, &lgr_linkdown_list);
+ smcr_link_down_cond_sched(&lgr->lnk[i]);
}
}
}
@@ -1502,16 +1559,6 @@ void smc_smcr_terminate_all(struct smc_ib_device *smcibdev)
__smc_lgr_terminate(lgr, false);
}
- list_for_each_entry_safe(lgr, lg, &lgr_linkdown_list, list) {
- for (i = 0; i < SMC_LINKS_PER_LGR_MAX; i++) {
- if (lgr->lnk[i].smcibdev == smcibdev) {
- mutex_lock(&lgr->llc_conf_mutex);
- smcr_link_down_cond(&lgr->lnk[i]);
- mutex_unlock(&lgr->llc_conf_mutex);
- }
- }
- }
-
if (smcibdev) {
if (atomic_read(&smcibdev->lnk_cnt))
wait_event(smcibdev->lnks_deleted,
@@ -1856,6 +1903,10 @@ create:
goto out;
}
}
+ smc_lgr_hold(conn->lgr); /* lgr_put in smc_conn_free() */
+ if (!conn->lgr->is_smcd)
+ smcr_link_hold(conn->lnk); /* link_put in smc_conn_free() */
+ conn->freed = 0;
conn->local_tx_ctrl.common.type = SMC_CDC_MSG_TYPE;
conn->local_tx_ctrl.len = SMC_WR_TX_SIZE;
conn->urg_state = SMC_URG_READ;
@@ -2240,14 +2291,16 @@ static int __smc_buf_create(struct smc_sock *smc, bool is_smcd, bool is_rmb)
void smc_sndbuf_sync_sg_for_cpu(struct smc_connection *conn)
{
- if (!conn->lgr || conn->lgr->is_smcd || !smc_link_active(conn->lnk))
+ if (!smc_conn_lgr_valid(conn) || conn->lgr->is_smcd ||
+ !smc_link_active(conn->lnk))
return;
smc_ib_sync_sg_for_cpu(conn->lnk, conn->sndbuf_desc, DMA_TO_DEVICE);
}
void smc_sndbuf_sync_sg_for_device(struct smc_connection *conn)
{
- if (!conn->lgr || conn->lgr->is_smcd || !smc_link_active(conn->lnk))
+ if (!smc_conn_lgr_valid(conn) || conn->lgr->is_smcd ||
+ !smc_link_active(conn->lnk))
return;
smc_ib_sync_sg_for_device(conn->lnk, conn->sndbuf_desc, DMA_TO_DEVICE);
}
@@ -2256,7 +2309,7 @@ void smc_rmb_sync_sg_for_cpu(struct smc_connection *conn)
{
int i;
- if (!conn->lgr || conn->lgr->is_smcd)
+ if (!smc_conn_lgr_valid(conn) || conn->lgr->is_smcd)
return;
for (i = 0; i < SMC_LINKS_PER_LGR_MAX; i++) {
if (!smc_link_active(&conn->lgr->lnk[i]))
@@ -2270,7 +2323,7 @@ void smc_rmb_sync_sg_for_device(struct smc_connection *conn)
{
int i;
- if (!conn->lgr || conn->lgr->is_smcd)
+ if (!smc_conn_lgr_valid(conn) || conn->lgr->is_smcd)
return;
for (i = 0; i < SMC_LINKS_PER_LGR_MAX; i++) {
if (!smc_link_active(&conn->lgr->lnk[i]))
diff --git a/net/smc/smc_core.h b/net/smc/smc_core.h
index 521c64a3d8d3..4cb03e942364 100644
--- a/net/smc/smc_core.h
+++ b/net/smc/smc_core.h
@@ -137,6 +137,8 @@ struct smc_link {
u8 peer_link_uid[SMC_LGR_ID_SIZE]; /* peer uid */
u8 link_idx; /* index in lgr link array */
u8 link_is_asym; /* is link asymmetric? */
+ u8 clearing : 1; /* link is being cleared */
+ refcount_t refcnt; /* link reference count */
struct smc_link_group *lgr; /* parent link group */
struct work_struct link_down_wrk; /* wrk to bring link down */
char ibname[IB_DEVICE_NAME_MAX]; /* ib device name */
@@ -249,6 +251,7 @@ struct smc_link_group {
u8 terminating : 1;/* lgr is terminating */
u8 freeing : 1; /* lgr is being freed */
+ refcount_t refcnt; /* lgr reference count */
bool is_smcd; /* SMC-R or SMC-D */
u8 smc_version;
u8 negotiated_eid[SMC_MAX_EID_LEN];
@@ -409,6 +412,11 @@ static inline struct smc_connection *smc_lgr_find_conn(
return res;
}
+static inline bool smc_conn_lgr_valid(struct smc_connection *conn)
+{
+ return conn->lgr && conn->alert_token_local;
+}
+
/*
* Returns true if the specified link is usable.
*
@@ -487,6 +495,8 @@ struct smc_clc_msg_accept_confirm;
void smc_lgr_cleanup_early(struct smc_link_group *lgr);
void smc_lgr_terminate_sched(struct smc_link_group *lgr);
+void smc_lgr_hold(struct smc_link_group *lgr);
+void smc_lgr_put(struct smc_link_group *lgr);
void smcr_port_add(struct smc_ib_device *smcibdev, u8 ibport);
void smcr_port_err(struct smc_ib_device *smcibdev, u8 ibport);
void smc_smcd_terminate(struct smcd_dev *dev, u64 peer_gid,
@@ -518,6 +528,8 @@ void smc_core_exit(void);
int smcr_link_init(struct smc_link_group *lgr, struct smc_link *lnk,
u8 link_idx, struct smc_init_info *ini);
void smcr_link_clear(struct smc_link *lnk, bool log);
+void smcr_link_hold(struct smc_link *lnk);
+void smcr_link_put(struct smc_link *lnk);
void smc_switch_link_and_count(struct smc_connection *conn,
struct smc_link *to_lnk);
int smcr_buf_map_lgr(struct smc_link *lnk);
diff --git a/net/smc/smc_diag.c b/net/smc/smc_diag.c
index 7c8dad28c18d..b8898c787d23 100644
--- a/net/smc/smc_diag.c
+++ b/net/smc/smc_diag.c
@@ -89,7 +89,7 @@ static int __smc_diag_dump(struct sock *sk, struct sk_buff *skb,
r->diag_state = sk->sk_state;
if (smc->use_fallback)
r->diag_mode = SMC_DIAG_MODE_FALLBACK_TCP;
- else if (smc->conn.lgr && smc->conn.lgr->is_smcd)
+ else if (smc_conn_lgr_valid(&smc->conn) && smc->conn.lgr->is_smcd)
r->diag_mode = SMC_DIAG_MODE_SMCD;
else
r->diag_mode = SMC_DIAG_MODE_SMCR;
@@ -142,7 +142,7 @@ static int __smc_diag_dump(struct sock *sk, struct sk_buff *skb,
goto errout;
}
- if (smc->conn.lgr && !smc->conn.lgr->is_smcd &&
+ if (smc_conn_lgr_valid(&smc->conn) && !smc->conn.lgr->is_smcd &&
(req->diag_ext & (1 << (SMC_DIAG_LGRINFO - 1))) &&
!list_empty(&smc->conn.lgr->list)) {
struct smc_link *link = smc->conn.lnk;
@@ -164,7 +164,7 @@ static int __smc_diag_dump(struct sock *sk, struct sk_buff *skb,
if (nla_put(skb, SMC_DIAG_LGRINFO, sizeof(linfo), &linfo) < 0)
goto errout;
}
- if (smc->conn.lgr && smc->conn.lgr->is_smcd &&
+ if (smc_conn_lgr_valid(&smc->conn) && smc->conn.lgr->is_smcd &&
(req->diag_ext & (1 << (SMC_DIAG_DMBINFO - 1))) &&
!list_empty(&smc->conn.lgr->list)) {
struct smc_connection *conn = &smc->conn;
diff --git a/net/smc/smc_pnet.c b/net/smc/smc_pnet.c
index db9825c01e0a..291f1484a1b7 100644
--- a/net/smc/smc_pnet.c
+++ b/net/smc/smc_pnet.c
@@ -369,7 +369,8 @@ static int smc_pnet_add_eth(struct smc_pnettable *pnettable, struct net *net,
memcpy(new_pe->pnet_name, pnet_name, SMC_MAX_PNETID_LEN);
strncpy(new_pe->eth_name, eth_name, IFNAMSIZ);
new_pe->ndev = ndev;
- netdev_tracker_alloc(ndev, &new_pe->dev_tracker, GFP_KERNEL);
+ if (ndev)
+ netdev_tracker_alloc(ndev, &new_pe->dev_tracker, GFP_KERNEL);
rc = -EEXIST;
new_netdev = true;
write_lock(&pnettable->lock);
diff --git a/net/smc/smc_wr.h b/net/smc/smc_wr.h
index 47512ccce5ef..a54e90a1110f 100644
--- a/net/smc/smc_wr.h
+++ b/net/smc/smc_wr.h
@@ -125,10 +125,6 @@ int smc_wr_tx_v2_send(struct smc_link *link,
int smc_wr_tx_send_wait(struct smc_link *link, struct smc_wr_tx_pend_priv *priv,
unsigned long timeout);
void smc_wr_tx_cq_handler(struct ib_cq *ib_cq, void *cq_context);
-void smc_wr_tx_dismiss_slots(struct smc_link *lnk, u8 wr_rx_hdr_type,
- smc_wr_tx_filter filter,
- smc_wr_tx_dismisser dismisser,
- unsigned long data);
void smc_wr_tx_wait_no_pending_sends(struct smc_link *link);
int smc_wr_rx_register_handler(struct smc_wr_rx_handler *handler);
diff --git a/net/tls/tls_sw.c b/net/tls/tls_sw.c
index 95e774f1b91f..efc84845bb6b 100644
--- a/net/tls/tls_sw.c
+++ b/net/tls/tls_sw.c
@@ -2059,6 +2059,7 @@ ssize_t tls_sw_splice_read(struct socket *sock, loff_t *ppos,
splice_read_end:
release_sock(sk);
+ sk_defer_free_flush(sk);
return copied ? : err;
}
diff --git a/net/unix/garbage.c b/net/unix/garbage.c
index 12e2ddaf887f..d45d5366115a 100644
--- a/net/unix/garbage.c
+++ b/net/unix/garbage.c
@@ -192,8 +192,11 @@ void wait_for_unix_gc(void)
{
/* If number of inflight sockets is insane,
* force a garbage collect right now.
+ * Paired with the WRITE_ONCE() in unix_inflight(),
+ * unix_notinflight() and gc_in_progress().
*/
- if (unix_tot_inflight > UNIX_INFLIGHT_TRIGGER_GC && !gc_in_progress)
+ if (READ_ONCE(unix_tot_inflight) > UNIX_INFLIGHT_TRIGGER_GC &&
+ !READ_ONCE(gc_in_progress))
unix_gc();
wait_event(unix_gc_wait, gc_in_progress == false);
}
@@ -213,7 +216,9 @@ void unix_gc(void)
if (gc_in_progress)
goto out;
- gc_in_progress = true;
+ /* Paired with READ_ONCE() in wait_for_unix_gc(). */
+ WRITE_ONCE(gc_in_progress, true);
+
/* First, select candidates for garbage collection. Only
* in-flight sockets are considered, and from those only ones
* which don't have any external reference.
@@ -299,7 +304,10 @@ void unix_gc(void)
/* All candidates should have been detached by now. */
BUG_ON(!list_empty(&gc_candidates));
- gc_in_progress = false;
+
+ /* Paired with READ_ONCE() in wait_for_unix_gc(). */
+ WRITE_ONCE(gc_in_progress, false);
+
wake_up(&unix_gc_wait);
out:
diff --git a/net/unix/scm.c b/net/unix/scm.c
index 052ae709ce28..aa27a02478dc 100644
--- a/net/unix/scm.c
+++ b/net/unix/scm.c
@@ -60,7 +60,8 @@ void unix_inflight(struct user_struct *user, struct file *fp)
} else {
BUG_ON(list_empty(&u->link));
}
- unix_tot_inflight++;
+ /* Paired with READ_ONCE() in wait_for_unix_gc() */
+ WRITE_ONCE(unix_tot_inflight, unix_tot_inflight + 1);
}
user->unix_inflight++;
spin_unlock(&unix_gc_lock);
@@ -80,7 +81,8 @@ void unix_notinflight(struct user_struct *user, struct file *fp)
if (atomic_long_dec_and_test(&u->inflight))
list_del_init(&u->link);
- unix_tot_inflight--;
+ /* Paired with READ_ONCE() in wait_for_unix_gc() */
+ WRITE_ONCE(unix_tot_inflight, unix_tot_inflight - 1);
}
user->unix_inflight--;
spin_unlock(&unix_gc_lock);
diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c
index dccb8f3318ef..04d1ce9b510f 100644
--- a/net/xfrm/xfrm_policy.c
+++ b/net/xfrm/xfrm_policy.c
@@ -31,6 +31,7 @@
#include <linux/if_tunnel.h>
#include <net/dst.h>
#include <net/flow.h>
+#include <net/inet_ecn.h>
#include <net/xfrm.h>
#include <net/ip.h>
#include <net/gre.h>
@@ -3295,7 +3296,7 @@ decode_session4(struct sk_buff *skb, struct flowi *fl, bool reverse)
fl4->flowi4_proto = iph->protocol;
fl4->daddr = reverse ? iph->saddr : iph->daddr;
fl4->saddr = reverse ? iph->daddr : iph->saddr;
- fl4->flowi4_tos = iph->tos;
+ fl4->flowi4_tos = iph->tos & ~INET_ECN_MASK;
if (!ip_is_fragment(iph)) {
switch (iph->protocol) {
diff --git a/tools/testing/selftests/net/fcnal-test.sh b/tools/testing/selftests/net/fcnal-test.sh
index 412d85205546..3f4c8cfe7aca 100755
--- a/tools/testing/selftests/net/fcnal-test.sh
+++ b/tools/testing/selftests/net/fcnal-test.sh
@@ -4059,6 +4059,9 @@ usage: ${0##*/} OPTS
-p Pause on fail
-P Pause after each test
-v Be verbose
+
+Tests:
+ $TESTS_IPV4 $TESTS_IPV6 $TESTS_OTHER
EOF
}
diff --git a/tools/testing/selftests/net/settings b/tools/testing/selftests/net/settings
index 694d70710ff0..dfc27cdc6c05 100644
--- a/tools/testing/selftests/net/settings
+++ b/tools/testing/selftests/net/settings
@@ -1 +1 @@
-timeout=300
+timeout=1500