diff --git a/drivers/net/can/sun4i_can.c b/drivers/net/can/sun4i_can.c
index 68ef0a4cd82153cd65699ab0a4d80a5a201393e6..b0c80859f7467ef32a2683a506757c41ad13cb28 100644
--- a/drivers/net/can/sun4i_can.c
+++ b/drivers/net/can/sun4i_can.c
@@ -342,7 +342,7 @@ static int sun4i_can_start(struct net_device *dev)
/* enter the selected mode */
mod_reg_val = readl(priv->base + SUN4I_REG_MSEL_ADDR);
- if (priv->can.ctrlmode & CAN_CTRLMODE_PRESUME_ACK)
+ if (priv->can.ctrlmode & CAN_CTRLMODE_LOOPBACK)
mod_reg_val |= SUN4I_MSEL_LOOPBACK_MODE;
else if (priv->can.ctrlmode & CAN_CTRLMODE_LISTENONLY)
mod_reg_val |= SUN4I_MSEL_LISTEN_ONLY_MODE;
@@ -811,7 +811,6 @@ static int sun4ican_probe(struct platform_device *pdev)
priv->can.ctrlmode_supported = CAN_CTRLMODE_BERR_REPORTING |
CAN_CTRLMODE_LISTENONLY |
CAN_CTRLMODE_LOOPBACK |
- CAN_CTRLMODE_PRESUME_ACK |
CAN_CTRLMODE_3_SAMPLES;
priv->base = addr;
priv->clk = clk;
diff --git a/drivers/net/can/usb/kvaser_usb.c b/drivers/net/can/usb/kvaser_usb.c
index 18cc529fb807a4ad88fc06a201b18456040c5859..9b18d96ef52633ab34bb5ff39f4f643023dc308a 100644
--- a/drivers/net/can/usb/kvaser_usb.c
+++ b/drivers/net/can/usb/kvaser_usb.c
@@ -137,6 +137,7 @@ static inline bool kvaser_is_usbcan(const struct usb_device_id *id)
#define CMD_RESET_ERROR_COUNTER 49
#define CMD_TX_ACKNOWLEDGE 50
#define CMD_CAN_ERROR_EVENT 51
+#define CMD_FLUSH_QUEUE_REPLY 68
#define CMD_LEAF_USB_THROTTLE 77
#define CMD_LEAF_LOG_MESSAGE 106
@@ -1301,6 +1302,11 @@ static void kvaser_usb_handle_message(const struct kvaser_usb *dev,
goto warn;
break;
+ case CMD_FLUSH_QUEUE_REPLY:
+ if (dev->family != KVASER_LEAF)
+ goto warn;
+ break;
+
default:
warn: dev_warn(dev->udev->dev.parent,
"Unhandled message (%d)\n", msg->id);
@@ -1609,7 +1615,8 @@ static int kvaser_usb_close(struct net_device *netdev)
if (err)
netdev_warn(netdev, "Cannot flush queue, error %d\n", err);
- if (kvaser_usb_send_simple_msg(dev, CMD_RESET_CHIP, priv->channel))
+ err = kvaser_usb_send_simple_msg(dev, CMD_RESET_CHIP, priv->channel);
+ if (err)
netdev_warn(netdev, "Cannot reset card, error %d\n", err);
err = kvaser_usb_stop_chip(priv);
diff --git a/drivers/net/ethernet/intel/e1000/e1000_ethtool.c b/drivers/net/ethernet/intel/e1000/e1000_ethtool.c
index ec8aa4562cc90a90dff844872278722b24daec3c..3b3983a1ffbba1d6795ead832c5aceb801023969 100644
--- a/drivers/net/ethernet/intel/e1000/e1000_ethtool.c
+++ b/drivers/net/ethernet/intel/e1000/e1000_ethtool.c
@@ -1824,11 +1824,12 @@ static void e1000_get_ethtool_stats(struct net_device *netdev,
{
struct e1000_adapter *adapter = netdev_priv(netdev);
int i;
- char *p = NULL;
const struct e1000_stats *stat = e1000_gstrings_stats;
e1000_update_stats(adapter);
- for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
+ for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++, stat++) {
+ char *p;
+
switch (stat->type) {
case NETDEV_STATS:
p = (char *)netdev + stat->stat_offset;
@@ -1839,15 +1840,13 @@ static void e1000_get_ethtool_stats(struct net_device *netdev,
default:
WARN_ONCE(1, "Invalid E1000 stat type: %u index %d\n",
stat->type, i);
- break;
+ continue;
}
if (stat->sizeof_stat == sizeof(u64))
data[i] = *(u64 *)p;
else
data[i] = *(u32 *)p;
-
- stat++;
}
/* BUG_ON(i != E1000_STATS_LEN); */
}
diff --git a/drivers/net/ethernet/intel/e1000/e1000_main.c b/drivers/net/ethernet/intel/e1000/e1000_main.c
index 98375e1e1185e7b8136515d0d3e2a90464495ccd..1982f7917a8d5d68776b2e052ac1df809f11c065 100644
--- a/drivers/net/ethernet/intel/e1000/e1000_main.c
+++ b/drivers/net/ethernet/intel/e1000/e1000_main.c
@@ -520,8 +520,6 @@ void e1000_down(struct e1000_adapter *adapter)
struct net_device *netdev = adapter->netdev;
u32 rctl, tctl;
- netif_carrier_off(netdev);
-
/* disable receives in the hardware */
rctl = er32(RCTL);
ew32(RCTL, rctl & ~E1000_RCTL_EN);
@@ -537,6 +535,15 @@ void e1000_down(struct e1000_adapter *adapter)
E1000_WRITE_FLUSH();
msleep(10);
+ /* Set the carrier off after transmits have been disabled in the
+ * hardware, to avoid race conditions with e1000_watchdog() (which
+ * may be running concurrently to us, checking for the carrier
+ * bit to decide whether it should enable transmits again). Such
+ * a race condition would result into transmission being disabled
+ * in the hardware until the next IFF_DOWN+IFF_UP cycle.
+ */
+ netif_carrier_off(netdev);
+
napi_disable(&adapter->napi);
e1000_irq_disable(adapter);
diff --git a/drivers/net/ethernet/intel/i40e/i40e_txrx.c b/drivers/net/ethernet/intel/i40e/i40e_txrx.c
index 2756131495f07f269f4c7f2e223dda4dcb7153f0..120c68f78951dd1ae7a2218b4b64c049aee40340 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_txrx.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_txrx.c
@@ -2102,6 +2102,7 @@ static int i40e_clean_rx_irq(struct i40e_ring *rx_ring, int budget)
if (unlikely(i40e_rx_is_programming_status(qword))) {
i40e_clean_programming_status(rx_ring, rx_desc, qword);
+ cleaned_count++;
continue;
}
size = (qword & I40E_RXD_QW1_LENGTH_PBUF_MASK) >>
@@ -2269,7 +2270,7 @@ static inline void i40e_update_enable_itr(struct i40e_vsi *vsi,
goto enable_int;
}
- if (ITR_IS_DYNAMIC(tx_itr_setting)) {
+ if (ITR_IS_DYNAMIC(rx_itr_setting)) {
rx = i40e_set_new_dynamic_itr(&q_vector->rx);
rxval = i40e_buildreg_itr(I40E_RX_ITR, q_vector->rx.itr);
}
diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c
index fd4a46b03cc8317f44f0c4d3ee5141dd05858244..ea69af267d63522ae7f545c2cbb8a7a6e601adbc 100644
--- a/drivers/net/ethernet/intel/igb/igb_main.c
+++ b/drivers/net/ethernet/intel/igb/igb_main.c
@@ -5326,7 +5326,7 @@ static int igb_tx_map(struct igb_ring *tx_ring,
DMA_TO_DEVICE);
dma_unmap_len_set(tx_buffer, len, 0);
- if (i--)
+ if (i-- == 0)
i += tx_ring->count;
tx_buffer = &tx_ring->tx_buffer_info[i];
}
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
index 4d76afd13868574854759d844af34b2b3879a780..6d5f31e943583df77f5fa1e6aa3e2703fff33518 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
@@ -8020,29 +8020,23 @@ static int ixgbe_tx_map(struct ixgbe_ring *tx_ring,
return 0;
dma_error:
dev_err(tx_ring->dev, "TX DMA map failed\n");
- tx_buffer = &tx_ring->tx_buffer_info[i];
/* clear dma mappings for failed tx_buffer_info map */
- while (tx_buffer != first) {
+ for (;;) {
+ tx_buffer = &tx_ring->tx_buffer_info[i];
if (dma_unmap_len(tx_buffer, len))
dma_unmap_page(tx_ring->dev,
dma_unmap_addr(tx_buffer, dma),
dma_unmap_len(tx_buffer, len),
DMA_TO_DEVICE);
dma_unmap_len_set(tx_buffer, len, 0);
-
- if (i--)
+ if (tx_buffer == first)
+ break;
+ if (i == 0)
i += tx_ring->count;
- tx_buffer = &tx_ring->tx_buffer_info[i];
+ i--;
}
- if (dma_unmap_len(tx_buffer, len))
- dma_unmap_single(tx_ring->dev,
- dma_unmap_addr(tx_buffer, dma),
- dma_unmap_len(tx_buffer, len),
- DMA_TO_DEVICE);
- dma_unmap_len_set(tx_buffer, len, 0);
-
dev_kfree_skb_any(first->skb);
first->skb = NULL;
diff --git a/drivers/net/ethernet/marvell/mvpp2.c b/drivers/net/ethernet/marvell/mvpp2.c
index 9c86cb7cb988a7ee3f89e3d2ec86a37f0a0344dc..a37af5813f33758d1ed8debf6bcd77590363f349 100644
--- a/drivers/net/ethernet/marvell/mvpp2.c
+++ b/drivers/net/ethernet/marvell/mvpp2.c
@@ -1167,6 +1167,11 @@ struct mvpp2_bm_pool {
u32 port_map;
};
+#define IS_TSO_HEADER(txq_pcpu, addr) \
+ ((addr) >= (txq_pcpu)->tso_headers_dma && \
+ (addr) < (txq_pcpu)->tso_headers_dma + \
+ (txq_pcpu)->size * TSO_HEADER_SIZE)
+
/* Queue modes */
#define MVPP2_QDIST_SINGLE_MODE 0
#define MVPP2_QDIST_MULTI_MODE 1
@@ -1534,7 +1539,7 @@ static bool mvpp2_prs_tcam_data_cmp(struct mvpp2_prs_entry *pe, int offs,
int off = MVPP2_PRS_TCAM_DATA_BYTE(offs);
u16 tcam_data;
- tcam_data = (8 << pe->tcam.byte[off + 1]) | pe->tcam.byte[off];
+ tcam_data = (pe->tcam.byte[off + 1] << 8) | pe->tcam.byte[off];
if (tcam_data != data)
return false;
return true;
@@ -2609,8 +2614,8 @@ static void mvpp2_prs_mac_init(struct mvpp2 *priv)
/* place holders only - no ports */
mvpp2_prs_mac_drop_all_set(priv, 0, false);
mvpp2_prs_mac_promisc_set(priv, 0, false);
- mvpp2_prs_mac_multi_set(priv, MVPP2_PE_MAC_MC_ALL, 0, false);
- mvpp2_prs_mac_multi_set(priv, MVPP2_PE_MAC_MC_IP6, 0, false);
+ mvpp2_prs_mac_multi_set(priv, 0, MVPP2_PE_MAC_MC_ALL, false);
+ mvpp2_prs_mac_multi_set(priv, 0, MVPP2_PE_MAC_MC_IP6, false);
}
/* Set default entries for various types of dsa packets */
@@ -3391,7 +3396,7 @@ mvpp2_prs_mac_da_range_find(struct mvpp2 *priv, int pmap, const u8 *da,
struct mvpp2_prs_entry *pe;
int tid;
- pe = kzalloc(sizeof(*pe), GFP_KERNEL);
+ pe = kzalloc(sizeof(*pe), GFP_ATOMIC);
if (!pe)
return NULL;
mvpp2_prs_tcam_lu_set(pe, MVPP2_PRS_LU_MAC);
@@ -3453,7 +3458,7 @@ static int mvpp2_prs_mac_da_accept(struct mvpp2 *priv, int port,
if (tid < 0)
return tid;
- pe = kzalloc(sizeof(*pe), GFP_KERNEL);
+ pe = kzalloc(sizeof(*pe), GFP_ATOMIC);
if (!pe)
return -ENOMEM;
mvpp2_prs_tcam_lu_set(pe, MVPP2_PRS_LU_MAC);
@@ -5321,8 +5326,9 @@ static void mvpp2_txq_bufs_free(struct mvpp2_port *port,
struct mvpp2_txq_pcpu_buf *tx_buf =
txq_pcpu->buffs + txq_pcpu->txq_get_index;
- dma_unmap_single(port->dev->dev.parent, tx_buf->dma,
- tx_buf->size, DMA_TO_DEVICE);
+ if (!IS_TSO_HEADER(txq_pcpu, tx_buf->dma))
+ dma_unmap_single(port->dev->dev.parent, tx_buf->dma,
+ tx_buf->size, DMA_TO_DEVICE);
if (tx_buf->skb)
dev_kfree_skb_any(tx_buf->skb);
@@ -5609,7 +5615,7 @@ static int mvpp2_txq_init(struct mvpp2_port *port,
txq_pcpu->tso_headers =
dma_alloc_coherent(port->dev->dev.parent,
- MVPP2_AGGR_TXQ_SIZE * TSO_HEADER_SIZE,
+ txq_pcpu->size * TSO_HEADER_SIZE,
&txq_pcpu->tso_headers_dma,
GFP_KERNEL);
if (!txq_pcpu->tso_headers)
@@ -5623,7 +5629,7 @@ static int mvpp2_txq_init(struct mvpp2_port *port,
kfree(txq_pcpu->buffs);
dma_free_coherent(port->dev->dev.parent,
- MVPP2_AGGR_TXQ_SIZE * MVPP2_DESC_ALIGNED_SIZE,
+ txq_pcpu->size * TSO_HEADER_SIZE,
txq_pcpu->tso_headers,
txq_pcpu->tso_headers_dma);
}
@@ -5647,7 +5653,7 @@ static void mvpp2_txq_deinit(struct mvpp2_port *port,
kfree(txq_pcpu->buffs);
dma_free_coherent(port->dev->dev.parent,
- MVPP2_AGGR_TXQ_SIZE * MVPP2_DESC_ALIGNED_SIZE,
+ txq_pcpu->size * TSO_HEADER_SIZE,
txq_pcpu->tso_headers,
txq_pcpu->tso_headers_dma);
}
@@ -6212,12 +6218,15 @@ static inline void
tx_desc_unmap_put(struct mvpp2_port *port, struct mvpp2_tx_queue *txq,
struct mvpp2_tx_desc *desc)
{
+ struct mvpp2_txq_pcpu *txq_pcpu = this_cpu_ptr(txq->pcpu);
+
dma_addr_t buf_dma_addr =
mvpp2_txdesc_dma_addr_get(port, desc);
size_t buf_sz =
mvpp2_txdesc_size_get(port, desc);
- dma_unmap_single(port->dev->dev.parent, buf_dma_addr,
- buf_sz, DMA_TO_DEVICE);
+ if (!IS_TSO_HEADER(txq_pcpu, buf_dma_addr))
+ dma_unmap_single(port->dev->dev.parent, buf_dma_addr,
+ buf_sz, DMA_TO_DEVICE);
mvpp2_txq_desc_put(txq);
}
@@ -6490,7 +6499,7 @@ static int mvpp2_tx(struct sk_buff *skb, struct net_device *dev)
}
/* Finalize TX processing */
- if (txq_pcpu->count >= txq->done_pkts_coal)
+ if (!port->has_tx_irqs && txq_pcpu->count >= txq->done_pkts_coal)
mvpp2_txq_done(port, txq, txq_pcpu);
/* Set the timer in case not all frags were processed */
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/dev.c b/drivers/net/ethernet/mellanox/mlx5/core/dev.c
index ff60cf7342ca5a4170a477ad7fff0ead65cf5df8..fc281712869b2e1c5c3321b46d1e8c5c562fcb74 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/dev.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/dev.c
@@ -77,35 +77,41 @@ static void add_delayed_event(struct mlx5_priv *priv,
list_add_tail(&delayed_event->list, &priv->waiting_events_list);
}
-static void fire_delayed_event_locked(struct mlx5_device_context *dev_ctx,
- struct mlx5_core_dev *dev,
- struct mlx5_priv *priv)
+static void delayed_event_release(struct mlx5_device_context *dev_ctx,
+ struct mlx5_priv *priv)
{
+ struct mlx5_core_dev *dev = container_of(priv, struct mlx5_core_dev, priv);
struct mlx5_delayed_event *de;
struct mlx5_delayed_event *n;
+ struct list_head temp;
- /* stop delaying events */
- priv->is_accum_events = false;
+ INIT_LIST_HEAD(&temp);
+
+ spin_lock_irq(&priv->ctx_lock);
- /* fire all accumulated events before new event comes */
- list_for_each_entry_safe(de, n, &priv->waiting_events_list, list) {
+ priv->is_accum_events = false;
+ list_splice_init(&priv->waiting_events_list, &temp);
+ if (!dev_ctx->context)
+ goto out;
+ list_for_each_entry_safe(de, n, &priv->waiting_events_list, list)
dev_ctx->intf->event(dev, dev_ctx->context, de->event, de->param);
+
+out:
+ spin_unlock_irq(&priv->ctx_lock);
+
+ list_for_each_entry_safe(de, n, &temp, list) {
list_del(&de->list);
kfree(de);
}
}
-static void cleanup_delayed_evets(struct mlx5_priv *priv)
+/* accumulating events that can come after mlx5_ib calls to
+ * ib_register_device, till adding that interface to the events list.
+ */
+static void delayed_event_start(struct mlx5_priv *priv)
{
- struct mlx5_delayed_event *de;
- struct mlx5_delayed_event *n;
-
spin_lock_irq(&priv->ctx_lock);
- priv->is_accum_events = false;
- list_for_each_entry_safe(de, n, &priv->waiting_events_list, list) {
- list_del(&de->list);
- kfree(de);
- }
+ priv->is_accum_events = true;
spin_unlock_irq(&priv->ctx_lock);
}
@@ -122,11 +128,8 @@ void mlx5_add_device(struct mlx5_interface *intf, struct mlx5_priv *priv)
return;
dev_ctx->intf = intf;
- /* accumulating events that can come after mlx5_ib calls to
- * ib_register_device, till adding that interface to the events list.
- */
- priv->is_accum_events = true;
+ delayed_event_start(priv);
dev_ctx->context = intf->add(dev);
set_bit(MLX5_INTERFACE_ADDED, &dev_ctx->state);
@@ -137,8 +140,6 @@ void mlx5_add_device(struct mlx5_interface *intf, struct mlx5_priv *priv)
spin_lock_irq(&priv->ctx_lock);
list_add_tail(&dev_ctx->list, &priv->ctx_list);
- fire_delayed_event_locked(dev_ctx, dev, priv);
-
#ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING
if (dev_ctx->intf->pfault) {
if (priv->pfault) {
@@ -150,11 +151,12 @@ void mlx5_add_device(struct mlx5_interface *intf, struct mlx5_priv *priv)
}
#endif
spin_unlock_irq(&priv->ctx_lock);
- } else {
- kfree(dev_ctx);
- /* delete all accumulated events */
- cleanup_delayed_evets(priv);
}
+
+ delayed_event_release(dev_ctx, priv);
+
+ if (!dev_ctx->context)
+ kfree(dev_ctx);
}
static struct mlx5_device_context *mlx5_get_device(struct mlx5_interface *intf,
@@ -205,17 +207,21 @@ static void mlx5_attach_interface(struct mlx5_interface *intf, struct mlx5_priv
if (!dev_ctx)
return;
+ delayed_event_start(priv);
if (intf->attach) {
if (test_bit(MLX5_INTERFACE_ATTACHED, &dev_ctx->state))
- return;
+ goto out;
intf->attach(dev, dev_ctx->context);
set_bit(MLX5_INTERFACE_ATTACHED, &dev_ctx->state);
} else {
if (test_bit(MLX5_INTERFACE_ADDED, &dev_ctx->state))
- return;
+ goto out;
dev_ctx->context = intf->add(dev);
set_bit(MLX5_INTERFACE_ADDED, &dev_ctx->state);
}
+
+out:
+ delayed_event_release(dev_ctx, priv);
}
void mlx5_attach_device(struct mlx5_core_dev *dev)
@@ -414,8 +420,14 @@ void mlx5_core_event(struct mlx5_core_dev *dev, enum mlx5_dev_event event,
if (priv->is_accum_events)
add_delayed_event(priv, dev, event, param);
+ /* After mlx5_detach_device, the dev_ctx->intf is still set and dev_ctx is
+ * still in priv->ctx_list. In this case, only notify the dev_ctx if its
+ * ADDED or ATTACHED bit are set.
+ */
list_for_each_entry(dev_ctx, &priv->ctx_list, list)
- if (dev_ctx->intf->event)
+ if (dev_ctx->intf->event &&
+ (test_bit(MLX5_INTERFACE_ADDED, &dev_ctx->state) ||
+ test_bit(MLX5_INTERFACE_ATTACHED, &dev_ctx->state)))
dev_ctx->intf->event(dev, dev_ctx->context, event, param);
spin_unlock_irqrestore(&priv->ctx_lock, flags);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c b/drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c
index c1d384fca4dc1195a1d0b76677176b7dfcbad538..51c4cc00a186589734121efc796f2606c0e2c3fe 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c
@@ -41,6 +41,11 @@
#define MLX5E_CEE_STATE_UP 1
#define MLX5E_CEE_STATE_DOWN 0
+enum {
+ MLX5E_VENDOR_TC_GROUP_NUM = 7,
+ MLX5E_LOWEST_PRIO_GROUP = 0,
+};
+
/* If dcbx mode is non-host set the dcbx mode to host.
*/
static int mlx5e_dcbnl_set_dcbx_mode(struct mlx5e_priv *priv,
@@ -85,6 +90,9 @@ static int mlx5e_dcbnl_ieee_getets(struct net_device *netdev,
{
struct mlx5e_priv *priv = netdev_priv(netdev);
struct mlx5_core_dev *mdev = priv->mdev;
+ u8 tc_group[IEEE_8021QAZ_MAX_TCS];
+ bool is_tc_group_6_exist = false;
+ bool is_zero_bw_ets_tc = false;
int err = 0;
int i;
@@ -96,37 +104,64 @@ static int mlx5e_dcbnl_ieee_getets(struct net_device *netdev,
err = mlx5_query_port_prio_tc(mdev, i, &ets->prio_tc[i]);
if (err)
return err;
- }
- for (i = 0; i < ets->ets_cap; i++) {
+ err = mlx5_query_port_tc_group(mdev, i, &tc_group[i]);
+ if (err)
+ return err;
+
err = mlx5_query_port_tc_bw_alloc(mdev, i, &ets->tc_tx_bw[i]);
if (err)
return err;
+
+ if (ets->tc_tx_bw[i] < MLX5E_MAX_BW_ALLOC &&
+ tc_group[i] == (MLX5E_LOWEST_PRIO_GROUP + 1))
+ is_zero_bw_ets_tc = true;
+
+ if (tc_group[i] == (MLX5E_VENDOR_TC_GROUP_NUM - 1))
+ is_tc_group_6_exist = true;
+ }
+
+ /* Report 0% ets tc if exits*/
+ if (is_zero_bw_ets_tc) {
+ for (i = 0; i < ets->ets_cap; i++)
+ if (tc_group[i] == MLX5E_LOWEST_PRIO_GROUP)
+ ets->tc_tx_bw[i] = 0;
+ }
+
+ /* Update tc_tsa based on fw setting*/
+ for (i = 0; i < ets->ets_cap; i++) {
if (ets->tc_tx_bw[i] < MLX5E_MAX_BW_ALLOC)
priv->dcbx.tc_tsa[i] = IEEE_8021QAZ_TSA_ETS;
+ else if (tc_group[i] == MLX5E_VENDOR_TC_GROUP_NUM &&
+ !is_tc_group_6_exist)
+ priv->dcbx.tc_tsa[i] = IEEE_8021QAZ_TSA_VENDOR;
}
-
memcpy(ets->tc_tsa, priv->dcbx.tc_tsa, sizeof(ets->tc_tsa));
return err;
}
-enum {
- MLX5E_VENDOR_TC_GROUP_NUM = 7,
- MLX5E_ETS_TC_GROUP_NUM = 0,
-};
-
static void mlx5e_build_tc_group(struct ieee_ets *ets, u8 *tc_group, int max_tc)
{
bool any_tc_mapped_to_ets = false;
+ bool ets_zero_bw = false;
int strict_group;
int i;
- for (i = 0; i <= max_tc; i++)
- if (ets->tc_tsa[i] == IEEE_8021QAZ_TSA_ETS)
+ for (i = 0; i <= max_tc; i++) {
+ if (ets->tc_tsa[i] == IEEE_8021QAZ_TSA_ETS) {
any_tc_mapped_to_ets = true;
+ if (!ets->tc_tx_bw[i])
+ ets_zero_bw = true;
+ }
+ }
- strict_group = any_tc_mapped_to_ets ? 1 : 0;
+ /* strict group has higher priority than ets group */
+ strict_group = MLX5E_LOWEST_PRIO_GROUP;
+ if (any_tc_mapped_to_ets)
+ strict_group++;
+ if (ets_zero_bw)
+ strict_group++;
for (i = 0; i <= max_tc; i++) {
switch (ets->tc_tsa[i]) {
@@ -137,7 +172,9 @@ static void mlx5e_build_tc_group(struct ieee_ets *ets, u8 *tc_group, int max_tc)
tc_group[i] = strict_group++;
break;
case IEEE_8021QAZ_TSA_ETS:
- tc_group[i] = MLX5E_ETS_TC_GROUP_NUM;
+ tc_group[i] = MLX5E_LOWEST_PRIO_GROUP;
+ if (ets->tc_tx_bw[i] && ets_zero_bw)
+ tc_group[i] = MLX5E_LOWEST_PRIO_GROUP + 1;
break;
}
}
@@ -146,8 +183,22 @@ static void mlx5e_build_tc_group(struct ieee_ets *ets, u8 *tc_group, int max_tc)
static void mlx5e_build_tc_tx_bw(struct ieee_ets *ets, u8 *tc_tx_bw,
u8 *tc_group, int max_tc)
{
+ int bw_for_ets_zero_bw_tc = 0;
+ int last_ets_zero_bw_tc = -1;
+ int num_ets_zero_bw = 0;
int i;
+ for (i = 0; i <= max_tc; i++) {
+ if (ets->tc_tsa[i] == IEEE_8021QAZ_TSA_ETS &&
+ !ets->tc_tx_bw[i]) {
+ num_ets_zero_bw++;
+ last_ets_zero_bw_tc = i;
+ }
+ }
+
+ if (num_ets_zero_bw)
+ bw_for_ets_zero_bw_tc = MLX5E_MAX_BW_ALLOC / num_ets_zero_bw;
+
for (i = 0; i <= max_tc; i++) {
switch (ets->tc_tsa[i]) {
case IEEE_8021QAZ_TSA_VENDOR:
@@ -157,12 +208,26 @@ static void mlx5e_build_tc_tx_bw(struct ieee_ets *ets, u8 *tc_tx_bw,
tc_tx_bw[i] = MLX5E_MAX_BW_ALLOC;
break;
case IEEE_8021QAZ_TSA_ETS:
- tc_tx_bw[i] = ets->tc_tx_bw[i];
+ tc_tx_bw[i] = ets->tc_tx_bw[i] ?
+ ets->tc_tx_bw[i] :
+ bw_for_ets_zero_bw_tc;
break;
}
}
+
+ /* Make sure the total bw for ets zero bw group is 100% */
+ if (last_ets_zero_bw_tc != -1)
+ tc_tx_bw[last_ets_zero_bw_tc] +=
+ MLX5E_MAX_BW_ALLOC % num_ets_zero_bw;
}
+/* If there are ETS BW 0,
+ * Set ETS group # to 1 for all ETS non zero BW tcs. Their sum must be 100%.
+ * Set group #0 to all the ETS BW 0 tcs and
+ * equally splits the 100% BW between them
+ * Report both group #0 and #1 as ETS type.
+ * All the tcs in group #0 will be reported with 0% BW.
+ */
int mlx5e_dcbnl_ieee_setets_core(struct mlx5e_priv *priv, struct ieee_ets *ets)
{
struct mlx5_core_dev *mdev = priv->mdev;
@@ -188,7 +253,6 @@ int mlx5e_dcbnl_ieee_setets_core(struct mlx5e_priv *priv, struct ieee_ets *ets)
return err;
memcpy(priv->dcbx.tc_tsa, ets->tc_tsa, sizeof(ets->tc_tsa));
-
return err;
}
@@ -209,17 +273,9 @@ static int mlx5e_dbcnl_validate_ets(struct net_device *netdev,
}
/* Validate Bandwidth Sum */
- for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) {
- if (ets->tc_tsa[i] == IEEE_8021QAZ_TSA_ETS) {
- if (!ets->tc_tx_bw[i]) {
- netdev_err(netdev,
- "Failed to validate ETS: BW 0 is illegal\n");
- return -EINVAL;
- }
-
+ for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++)
+ if (ets->tc_tsa[i] == IEEE_8021QAZ_TSA_ETS)
bw_sum += ets->tc_tx_bw[i];
- }
- }
if (bw_sum != 0 && bw_sum != 100) {
netdev_err(netdev,
@@ -533,8 +589,7 @@ static void mlx5e_dcbnl_getpgtccfgtx(struct net_device *netdev,
static void mlx5e_dcbnl_getpgbwgcfgtx(struct net_device *netdev,
int pgid, u8 *bw_pct)
{
- struct mlx5e_priv *priv = netdev_priv(netdev);
- struct mlx5_core_dev *mdev = priv->mdev;
+ struct ieee_ets ets;
if (pgid >= CEE_DCBX_MAX_PGS) {
netdev_err(netdev,
@@ -542,8 +597,8 @@ static void mlx5e_dcbnl_getpgbwgcfgtx(struct net_device *netdev,
return;
}
- if (mlx5_query_port_tc_bw_alloc(mdev, pgid, bw_pct))
- *bw_pct = 0;
+ mlx5e_dcbnl_ieee_getets(netdev, &ets);
+ *bw_pct = ets.tc_tx_bw[pgid];
}
static void mlx5e_dcbnl_setpfccfg(struct net_device *netdev,
@@ -739,8 +794,6 @@ static void mlx5e_ets_init(struct mlx5e_priv *priv)
ets.prio_tc[i] = i;
}
- memcpy(priv->dcbx.tc_tsa, ets.tc_tsa, sizeof(ets.tc_tsa));
-
/* tclass[prio=0]=1, tclass[prio=1]=0, tclass[prio=i]=i (for i>1) */
ets.prio_tc[0] = 1;
ets.prio_tc[1] = 0;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
index 1aa2028ed995d8c4017e0442546a8c466b9a7056..9ba1f72060aae4c57a55c9d7a4c049e1a6f8a69b 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
@@ -78,9 +78,11 @@ struct mlx5e_tc_flow {
};
struct mlx5e_tc_flow_parse_attr {
+ struct ip_tunnel_info tun_info;
struct mlx5_flow_spec spec;
int num_mod_hdr_actions;
void *mod_hdr_actions;
+ int mirred_ifindex;
};
enum {
@@ -322,6 +324,12 @@ static void mlx5e_tc_del_nic_flow(struct mlx5e_priv *priv,
static void mlx5e_detach_encap(struct mlx5e_priv *priv,
struct mlx5e_tc_flow *flow);
+static int mlx5e_attach_encap(struct mlx5e_priv *priv,
+ struct ip_tunnel_info *tun_info,
+ struct net_device *mirred_dev,
+ struct net_device **encap_dev,
+ struct mlx5e_tc_flow *flow);
+
static struct mlx5_flow_handle *
mlx5e_tc_add_fdb_flow(struct mlx5e_priv *priv,
struct mlx5e_tc_flow_parse_attr *parse_attr,
@@ -329,9 +337,27 @@ mlx5e_tc_add_fdb_flow(struct mlx5e_priv *priv,
{
struct mlx5_eswitch *esw = priv->mdev->priv.eswitch;
struct mlx5_esw_flow_attr *attr = flow->esw_attr;
- struct mlx5_flow_handle *rule;
+ struct net_device *out_dev, *encap_dev = NULL;
+ struct mlx5_flow_handle *rule = NULL;
+ struct mlx5e_rep_priv *rpriv;
+ struct mlx5e_priv *out_priv;
int err;
+ if (attr->action & MLX5_FLOW_CONTEXT_ACTION_ENCAP) {
+ out_dev = __dev_get_by_index(dev_net(priv->netdev),
+ attr->parse_attr->mirred_ifindex);
+ err = mlx5e_attach_encap(priv, &parse_attr->tun_info,
+ out_dev, &encap_dev, flow);
+ if (err) {
+ rule = ERR_PTR(err);
+ if (err != -EAGAIN)
+ goto err_attach_encap;
+ }
+ out_priv = netdev_priv(encap_dev);
+ rpriv = out_priv->ppriv;
+ attr->out_rep = rpriv->rep;
+ }
+
err = mlx5_eswitch_add_vlan_action(esw, attr);
if (err) {
rule = ERR_PTR(err);
@@ -347,10 +373,14 @@ mlx5e_tc_add_fdb_flow(struct mlx5e_priv *priv,
}
}
- rule = mlx5_eswitch_add_offloaded_rule(esw, &parse_attr->spec, attr);
- if (IS_ERR(rule))
- goto err_add_rule;
-
+ /* we get here if (1) there's no error (rule being null) or when
+ * (2) there's an encap action and we're on -EAGAIN (no valid neigh)
+ */
+ if (rule != ERR_PTR(-EAGAIN)) {
+ rule = mlx5_eswitch_add_offloaded_rule(esw, &parse_attr->spec, attr);
+ if (IS_ERR(rule))
+ goto err_add_rule;
+ }
return rule;
err_add_rule:
@@ -361,6 +391,7 @@ mlx5e_tc_add_fdb_flow(struct mlx5e_priv *priv,
err_add_vlan:
if (attr->action & MLX5_FLOW_CONTEXT_ACTION_ENCAP)
mlx5e_detach_encap(priv, flow);
+err_attach_encap:
return rule;
}
@@ -389,6 +420,8 @@ static void mlx5e_tc_del_fdb_flow(struct mlx5e_priv *priv,
void mlx5e_tc_encap_flows_add(struct mlx5e_priv *priv,
struct mlx5e_encap_entry *e)
{
+ struct mlx5_eswitch *esw = priv->mdev->priv.eswitch;
+ struct mlx5_esw_flow_attr *esw_attr;
struct mlx5e_tc_flow *flow;
int err;
@@ -404,10 +437,9 @@ void mlx5e_tc_encap_flows_add(struct mlx5e_priv *priv,
mlx5e_rep_queue_neigh_stats_work(priv);
list_for_each_entry(flow, &e->flows, encap) {
- flow->esw_attr->encap_id = e->encap_id;
- flow->rule = mlx5e_tc_add_fdb_flow(priv,
- flow->esw_attr->parse_attr,
- flow);
+ esw_attr = flow->esw_attr;
+ esw_attr->encap_id = e->encap_id;
+ flow->rule = mlx5_eswitch_add_offloaded_rule(esw, &esw_attr->parse_attr->spec, esw_attr);
if (IS_ERR(flow->rule)) {
err = PTR_ERR(flow->rule);
mlx5_core_warn(priv->mdev, "Failed to update cached encapsulation flow, %d\n",
@@ -421,15 +453,13 @@ void mlx5e_tc_encap_flows_add(struct mlx5e_priv *priv,
void mlx5e_tc_encap_flows_del(struct mlx5e_priv *priv,
struct mlx5e_encap_entry *e)
{
+ struct mlx5_eswitch *esw = priv->mdev->priv.eswitch;
struct mlx5e_tc_flow *flow;
- struct mlx5_fc *counter;
list_for_each_entry(flow, &e->flows, encap) {
if (flow->flags & MLX5E_TC_FLOW_OFFLOADED) {
flow->flags &= ~MLX5E_TC_FLOW_OFFLOADED;
- counter = mlx5_flow_rule_counter(flow->rule);
- mlx5_del_flow_rules(flow->rule);
- mlx5_fc_destroy(priv->mdev, counter);
+ mlx5_eswitch_del_offloaded_rule(esw, flow->rule, flow->esw_attr);
}
}
@@ -1942,7 +1972,7 @@ static int parse_tc_fdb_actions(struct mlx5e_priv *priv, struct tcf_exts *exts,
if (is_tcf_mirred_egress_redirect(a)) {
int ifindex = tcf_mirred_ifindex(a);
- struct net_device *out_dev, *encap_dev = NULL;
+ struct net_device *out_dev;
struct mlx5e_priv *out_priv;
out_dev = __dev_get_by_index(dev_net(priv->netdev), ifindex);
@@ -1955,17 +1985,13 @@ static int parse_tc_fdb_actions(struct mlx5e_priv *priv, struct tcf_exts *exts,
rpriv = out_priv->ppriv;
attr->out_rep = rpriv->rep;
} else if (encap) {
- err = mlx5e_attach_encap(priv, info,
- out_dev, &encap_dev, flow);
- if (err && err != -EAGAIN)
- return err;
+ parse_attr->mirred_ifindex = ifindex;
+ parse_attr->tun_info = *info;
+ attr->parse_attr = parse_attr;
attr->action |= MLX5_FLOW_CONTEXT_ACTION_ENCAP |
MLX5_FLOW_CONTEXT_ACTION_FWD_DEST |
MLX5_FLOW_CONTEXT_ACTION_COUNT;
- out_priv = netdev_priv(encap_dev);
- rpriv = out_priv->ppriv;
- attr->out_rep = rpriv->rep;
- attr->parse_attr = parse_attr;
+ /* attr->out_rep is resolved when we handle encap */
} else {
pr_err("devices %s %s not on same switch HW, can't offload forwarding\n",
priv->netdev->name, out_dev->name);
@@ -2047,7 +2073,7 @@ int mlx5e_configure_flower(struct mlx5e_priv *priv,
if (flow->flags & MLX5E_TC_FLOW_ESWITCH) {
err = parse_tc_fdb_actions(priv, f->exts, parse_attr, flow);
if (err < 0)
- goto err_handle_encap_flow;
+ goto err_free;
flow->rule = mlx5e_tc_add_fdb_flow(priv, parse_attr, flow);
} else {
err = parse_tc_nic_actions(priv, f->exts, parse_attr, flow);
@@ -2058,10 +2084,13 @@ int mlx5e_configure_flower(struct mlx5e_priv *priv,
if (IS_ERR(flow->rule)) {
err = PTR_ERR(flow->rule);
- goto err_free;
+ if (err != -EAGAIN)
+ goto err_free;
}
- flow->flags |= MLX5E_TC_FLOW_OFFLOADED;
+ if (err != -EAGAIN)
+ flow->flags |= MLX5E_TC_FLOW_OFFLOADED;
+
err = rhashtable_insert_fast(&tc->ht, &flow->node,
tc->ht_params);
if (err)
@@ -2075,16 +2104,6 @@ int mlx5e_configure_flower(struct mlx5e_priv *priv,
err_del_rule:
mlx5e_tc_del_flow(priv, flow);
-err_handle_encap_flow:
- if (err == -EAGAIN) {
- err = rhashtable_insert_fast(&tc->ht, &flow->node,
- tc->ht_params);
- if (err)
- mlx5e_tc_del_flow(priv, flow);
- else
- return 0;
- }
-
err_free:
kvfree(parse_attr);
kfree(flow);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/health.c b/drivers/net/ethernet/mellanox/mlx5/core/health.c
index 8aea0a065e5636badb85c5a5f8d33c73bdac2502..db86e1506c8b67fa8849940c4adc958fb783ac92 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/health.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/health.c
@@ -356,10 +356,11 @@ void mlx5_drain_health_wq(struct mlx5_core_dev *dev)
void mlx5_drain_health_recovery(struct mlx5_core_dev *dev)
{
struct mlx5_core_health *health = &dev->priv.health;
+ unsigned long flags;
- spin_lock(&health->wq_lock);
+ spin_lock_irqsave(&health->wq_lock, flags);
set_bit(MLX5_DROP_NEW_RECOVERY_WORK, &health->flags);
- spin_unlock(&health->wq_lock);
+ spin_unlock_irqrestore(&health->wq_lock, flags);
cancel_delayed_work_sync(&dev->priv.health.recover_work);
}
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/port.c b/drivers/net/ethernet/mellanox/mlx5/core/port.c
index 1975d4388d4f77d2380209ad6bd6bfd9733e402e..e07061f565d6432d1c6c88b78468e038f20572cc 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/port.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/port.c
@@ -677,6 +677,27 @@ int mlx5_set_port_tc_group(struct mlx5_core_dev *mdev, u8 *tc_group)
}
EXPORT_SYMBOL_GPL(mlx5_set_port_tc_group);
+int mlx5_query_port_tc_group(struct mlx5_core_dev *mdev,
+ u8 tc, u8 *tc_group)
+{
+ u32 out[MLX5_ST_SZ_DW(qetc_reg)];
+ void *ets_tcn_conf;
+ int err;
+
+ err = mlx5_query_port_qetcr_reg(mdev, out, sizeof(out));
+ if (err)
+ return err;
+
+ ets_tcn_conf = MLX5_ADDR_OF(qetc_reg, out,
+ tc_configuration[tc]);
+
+ *tc_group = MLX5_GET(ets_tcn_config_reg, ets_tcn_conf,
+ group);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(mlx5_query_port_tc_group);
+
int mlx5_set_port_tc_bw_alloc(struct mlx5_core_dev *mdev, u8 *tc_bw)
{
u32 in[MLX5_ST_SZ_DW(qetc_reg)] = {0};
diff --git a/drivers/net/ethernet/netronome/nfp/flower/action.c b/drivers/net/ethernet/netronome/nfp/flower/action.c
index db9750695dc7f63cf8d9861026995098aa9cbcf0..8ea9320014ee78141f71f883452bb81926e208c6 100644
--- a/drivers/net/ethernet/netronome/nfp/flower/action.c
+++ b/drivers/net/ethernet/netronome/nfp/flower/action.c
@@ -110,6 +110,8 @@ nfp_fl_output(struct nfp_fl_output *output, const struct tc_action *action,
*/
if (!switchdev_port_same_parent_id(in_dev, out_dev))
return -EOPNOTSUPP;
+ if (!nfp_netdev_is_nfp_repr(out_dev))
+ return -EOPNOTSUPP;
output->port = cpu_to_be32(nfp_repr_get_port_id(out_dev));
if (!output->port)
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-dwc-qos-eth.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-dwc-qos-eth.c
index 5efef8001edf237a8539118f8b32727eb1816b15..3256e5cbad2717c0d3928109cbb677c095e3247c 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-dwc-qos-eth.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-dwc-qos-eth.c
@@ -74,7 +74,7 @@ static int dwc_eth_dwmac_config_dt(struct platform_device *pdev,
plat_dat->axi->axi_wr_osr_lmt--;
}
- if (of_property_read_u32(np, "read,read-requests",
+ if (of_property_read_u32(np, "snps,read-requests",
&plat_dat->axi->axi_rd_osr_lmt)) {
/**
* Since the register has a reset value of 1, if property
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
index 8a280b48e3a9fd0c7ada914f2ceea3618e9e34cf..6383695004a53ef14e6c72beba5b4f8b1677d5f5 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
@@ -150,6 +150,13 @@ static void stmmac_mtl_setup(struct platform_device *pdev,
plat->rx_queues_to_use = 1;
plat->tx_queues_to_use = 1;
+ /* First Queue must always be in DCB mode. As MTL_QUEUE_DCB = 1 we need
+ * to always set this, otherwise Queue will be classified as AVB
+ * (because MTL_QUEUE_AVB = 0).
+ */
+ plat->rx_queues_cfg[0].mode_to_use = MTL_QUEUE_DCB;
+ plat->tx_queues_cfg[0].mode_to_use = MTL_QUEUE_DCB;
+
rx_node = of_parse_phandle(pdev->dev.of_node, "snps,mtl-rx-config", 0);
if (!rx_node)
return;
diff --git a/drivers/net/ipvlan/ipvtap.c b/drivers/net/ipvlan/ipvtap.c
index 5dea2063dbc878d1f45a56c7cfea470f820ec601..0bcc07f346c3ecb26e5d8354adb1fcd547733e84 100644
--- a/drivers/net/ipvlan/ipvtap.c
+++ b/drivers/net/ipvlan/ipvtap.c
@@ -197,8 +197,8 @@ static int ipvtap_init(void)
{
int err;
- err = tap_create_cdev(&ipvtap_cdev, &ipvtap_major, "ipvtap");
-
+ err = tap_create_cdev(&ipvtap_cdev, &ipvtap_major, "ipvtap",
+ THIS_MODULE);
if (err)
goto out1;
diff --git a/drivers/net/macvtap.c b/drivers/net/macvtap.c
index c2d0ea2fb01933d46e43b84fbf255901f18e5b91..cba5cb3b849a78c7073d5545bd1f8067f6e1db5f 100644
--- a/drivers/net/macvtap.c
+++ b/drivers/net/macvtap.c
@@ -204,8 +204,8 @@ static int macvtap_init(void)
{
int err;
- err = tap_create_cdev(&macvtap_cdev, &macvtap_major, "macvtap");
-
+ err = tap_create_cdev(&macvtap_cdev, &macvtap_major, "macvtap",
+ THIS_MODULE);
if (err)
goto out1;
diff --git a/drivers/net/tap.c b/drivers/net/tap.c
index 21b71ae947fdbc2e3bbf7d5ef7c17d17aa560ba2..1b10fcc6a58ddeb660c93817b9972d0ef4783441 100644
--- a/drivers/net/tap.c
+++ b/drivers/net/tap.c
@@ -517,6 +517,10 @@ static int tap_open(struct inode *inode, struct file *file)
&tap_proto, 0);
if (!q)
goto err;
+ if (skb_array_init(&q->skb_array, tap->dev->tx_queue_len, GFP_KERNEL)) {
+ sk_free(&q->sk);
+ goto err;
+ }
RCU_INIT_POINTER(q->sock.wq, &q->wq);
init_waitqueue_head(&q->wq.wait);
@@ -540,22 +544,18 @@ static int tap_open(struct inode *inode, struct file *file)
if ((tap->dev->features & NETIF_F_HIGHDMA) && (tap->dev->features & NETIF_F_SG))
sock_set_flag(&q->sk, SOCK_ZEROCOPY);
- err = -ENOMEM;
- if (skb_array_init(&q->skb_array, tap->dev->tx_queue_len, GFP_KERNEL))
- goto err_array;
-
err = tap_set_queue(tap, file, q);
- if (err)
- goto err_queue;
+ if (err) {
+ /* tap_sock_destruct() will take care of freeing skb_array */
+ goto err_put;
+ }
dev_put(tap->dev);
rtnl_unlock();
return err;
-err_queue:
- skb_array_cleanup(&q->skb_array);
-err_array:
+err_put:
sock_put(&q->sk);
err:
if (tap)
@@ -1249,8 +1249,8 @@ static int tap_list_add(dev_t major, const char *device_name)
return 0;
}
-int tap_create_cdev(struct cdev *tap_cdev,
- dev_t *tap_major, const char *device_name)
+int tap_create_cdev(struct cdev *tap_cdev, dev_t *tap_major,
+ const char *device_name, struct module *module)
{
int err;
@@ -1259,6 +1259,7 @@ int tap_create_cdev(struct cdev *tap_cdev,
goto out1;
cdev_init(tap_cdev, &tap_fops);
+ tap_cdev->owner = module;
err = cdev_add(tap_cdev, *tap_major, TAP_NUM_DEVS);
if (err)
goto out2;
diff --git a/drivers/net/tun.c b/drivers/net/tun.c
index e21bf90b819f8f77e4886a6d1ff7c7b5ca12bad0..5550f56cb895f7cb5a2c3ff5e93be79bd012e627 100644
--- a/drivers/net/tun.c
+++ b/drivers/net/tun.c
@@ -1286,6 +1286,7 @@ static struct sk_buff *tun_build_skb(struct tun_struct *tun,
buflen += SKB_DATA_ALIGN(len + pad);
rcu_read_unlock();
+ alloc_frag->offset = ALIGN((u64)alloc_frag->offset, SMP_CACHE_BYTES);
if (unlikely(!skb_page_frag_refill(buflen, alloc_frag, GFP_KERNEL)))
return ERR_PTR(-ENOMEM);
@@ -2028,7 +2029,7 @@ static int tun_set_iff(struct net *net, struct file *file, struct ifreq *ifr)
if (!dev)
return -ENOMEM;
err = dev_get_valid_name(net, dev, name);
- if (err)
+ if (err < 0)
goto err_free_dev;
dev_net_set(dev, net);
diff --git a/drivers/net/usb/cdc_ether.c b/drivers/net/usb/cdc_ether.c
index 52ea80bcd6392eaeb5917f6f9600196ae08af9fe..3e7a3ac3a36236054b897bc7beda770a765a95e5 100644
--- a/drivers/net/usb/cdc_ether.c
+++ b/drivers/net/usb/cdc_ether.c
@@ -561,6 +561,7 @@ static const struct driver_info wwan_info = {
#define HP_VENDOR_ID 0x03f0
#define MICROSOFT_VENDOR_ID 0x045e
#define UBLOX_VENDOR_ID 0x1546
+#define TPLINK_VENDOR_ID 0x2357
static const struct usb_device_id products[] = {
/* BLACKLIST !!
@@ -813,6 +814,13 @@ static const struct usb_device_id products[] = {
.driver_info = 0,
},
+ /* TP-LINK UE300 USB 3.0 Ethernet Adapters (based on Realtek RTL8153) */
+{
+ USB_DEVICE_AND_INTERFACE_INFO(TPLINK_VENDOR_ID, 0x0601, USB_CLASS_COMM,
+ USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
+ .driver_info = 0,
+},
+
/* WHITELIST!!!
*
* CDC Ether uses two interfaces, not necessarily consecutive.
@@ -863,6 +871,12 @@ static const struct usb_device_id products[] = {
USB_DEVICE_AND_INTERFACE_INFO(DELL_VENDOR_ID, 0x81ba, USB_CLASS_COMM,
USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
.driver_info = (kernel_ulong_t)&wwan_info,
+}, {
+ /* Huawei ME906 and ME909 */
+ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0x15c1, USB_CLASS_COMM,
+ USB_CDC_SUBCLASS_ETHERNET,
+ USB_CDC_PROTO_NONE),
+ .driver_info = (unsigned long)&wwan_info,
}, {
/* ZTE modules */
USB_VENDOR_AND_INTERFACE_INFO(ZTE_VENDOR_ID, USB_CLASS_COMM,
diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c
index 941ece08ba7852e5fa9151082af294dec1482192..d51d9abf7986b203350167d6a2fcdcfcddf8b972 100644
--- a/drivers/net/usb/r8152.c
+++ b/drivers/net/usb/r8152.c
@@ -615,6 +615,7 @@ enum rtl8152_flags {
#define VENDOR_ID_LENOVO 0x17ef
#define VENDOR_ID_LINKSYS 0x13b1
#define VENDOR_ID_NVIDIA 0x0955
+#define VENDOR_ID_TPLINK 0x2357
#define MCU_TYPE_PLA 0x0100
#define MCU_TYPE_USB 0x0000
@@ -5319,6 +5320,7 @@ static const struct usb_device_id rtl8152_table[] = {
{REALTEK_USB_DEVICE(VENDOR_ID_LENOVO, 0x7214)},
{REALTEK_USB_DEVICE(VENDOR_ID_LINKSYS, 0x0041)},
{REALTEK_USB_DEVICE(VENDOR_ID_NVIDIA, 0x09ff)},
+ {REALTEK_USB_DEVICE(VENDOR_ID_TPLINK, 0x0601)},
{}
};
diff --git a/include/linux/if_tap.h b/include/linux/if_tap.h
index 4837157da0dc04c4cc2c1a7c02da71e41c787d63..9ae41cdd0d4cc57ca54b56786d9629a81354506f 100644
--- a/include/linux/if_tap.h
+++ b/include/linux/if_tap.h
@@ -73,8 +73,8 @@ void tap_del_queues(struct tap_dev *tap);
int tap_get_minor(dev_t major, struct tap_dev *tap);
void tap_free_minor(dev_t major, struct tap_dev *tap);
int tap_queue_resize(struct tap_dev *tap);
-int tap_create_cdev(struct cdev *tap_cdev,
- dev_t *tap_major, const char *device_name);
+int tap_create_cdev(struct cdev *tap_cdev, dev_t *tap_major,
+ const char *device_name, struct module *module);
void tap_destroy_cdev(dev_t major, struct cdev *tap_cdev);
#endif /*_LINUX_IF_TAP_H_*/
diff --git a/include/linux/mlx5/port.h b/include/linux/mlx5/port.h
index c57d4b7de3a80203719f36319d17fb4794dd40b7..c59af8ab753a4f9eb35cb5da124fd7a0990339d0 100644
--- a/include/linux/mlx5/port.h
+++ b/include/linux/mlx5/port.h
@@ -157,6 +157,8 @@ int mlx5_set_port_prio_tc(struct mlx5_core_dev *mdev, u8 *prio_tc);
int mlx5_query_port_prio_tc(struct mlx5_core_dev *mdev,
u8 prio, u8 *tc);
int mlx5_set_port_tc_group(struct mlx5_core_dev *mdev, u8 *tc_group);
+int mlx5_query_port_tc_group(struct mlx5_core_dev *mdev,
+ u8 tc, u8 *tc_group);
int mlx5_set_port_tc_bw_alloc(struct mlx5_core_dev *mdev, u8 *tc_bw);
int mlx5_query_port_tc_bw_alloc(struct mlx5_core_dev *mdev,
u8 tc, u8 *bw_pct);
diff --git a/include/linux/sctp.h b/include/linux/sctp.h
index 82b171e1aa0b8e0f074b0300f630c909a91d6a16..da803dfc7a3980a732ed328db276e12a1ae75e03 100644
--- a/include/linux/sctp.h
+++ b/include/linux/sctp.h
@@ -231,7 +231,7 @@ struct sctp_datahdr {
__be32 tsn;
__be16 stream;
__be16 ssn;
- __be32 ppid;
+ __u32 ppid;
__u8 payload[0];
};
@@ -716,28 +716,28 @@ struct sctp_reconf_chunk {
struct sctp_strreset_outreq {
struct sctp_paramhdr param_hdr;
- __u32 request_seq;
- __u32 response_seq;
- __u32 send_reset_at_tsn;
- __u16 list_of_streams[0];
+ __be32 request_seq;
+ __be32 response_seq;
+ __be32 send_reset_at_tsn;
+ __be16 list_of_streams[0];
};
struct sctp_strreset_inreq {
struct sctp_paramhdr param_hdr;
- __u32 request_seq;
- __u16 list_of_streams[0];
+ __be32 request_seq;
+ __be16 list_of_streams[0];
};
struct sctp_strreset_tsnreq {
struct sctp_paramhdr param_hdr;
- __u32 request_seq;
+ __be32 request_seq;
};
struct sctp_strreset_addstrm {
struct sctp_paramhdr param_hdr;
- __u32 request_seq;
- __u16 number_of_streams;
- __u16 reserved;
+ __be32 request_seq;
+ __be16 number_of_streams;
+ __be16 reserved;
};
enum {
@@ -752,16 +752,16 @@ enum {
struct sctp_strreset_resp {
struct sctp_paramhdr param_hdr;
- __u32 response_seq;
- __u32 result;
+ __be32 response_seq;
+ __be32 result;
};
struct sctp_strreset_resptsn {
struct sctp_paramhdr param_hdr;
- __u32 response_seq;
- __u32 result;
- __u32 senders_next_tsn;
- __u32 receivers_next_tsn;
+ __be32 response_seq;
+ __be32 result;
+ __be32 senders_next_tsn;
+ __be32 receivers_next_tsn;
};
#endif /* __LINUX_SCTP_H__ */
diff --git a/include/net/fq_impl.h b/include/net/fq_impl.h
index 4e6131cd3f43dfb711049a1925abbea6074ec25b..ac1a2317941e7186abd01d3df0bf9ebc055be38b 100644
--- a/include/net/fq_impl.h
+++ b/include/net/fq_impl.h
@@ -146,6 +146,7 @@ static void fq_tin_enqueue(struct fq *fq,
fq_flow_get_default_t get_default_func)
{
struct fq_flow *flow;
+ bool oom;
lockdep_assert_held(&fq->lock);
@@ -167,8 +168,8 @@ static void fq_tin_enqueue(struct fq *fq,
}
__skb_queue_tail(&flow->queue, skb);
-
- if (fq->backlog > fq->limit || fq->memory_usage > fq->memory_limit) {
+ oom = (fq->memory_usage > fq->memory_limit);
+ while (fq->backlog > fq->limit || oom) {
flow = list_first_entry_or_null(&fq->backlogs,
struct fq_flow,
backlogchain);
@@ -183,8 +184,10 @@ static void fq_tin_enqueue(struct fq *fq,
flow->tin->overlimit++;
fq->overlimit++;
- if (fq->memory_usage > fq->memory_limit)
+ if (oom) {
fq->overmemory++;
+ oom = (fq->memory_usage > fq->memory_limit);
+ }
}
}
diff --git a/include/net/inet_sock.h b/include/net/inet_sock.h
index 425752f768d2f1a0efb13964204e07f27609e9db..db8162dd8c0bcbcaffcb1a0f6da1be139a5008d4 100644
--- a/include/net/inet_sock.h
+++ b/include/net/inet_sock.h
@@ -132,6 +132,12 @@ static inline int inet_request_bound_dev_if(const struct sock *sk,
return sk->sk_bound_dev_if;
}
+static inline struct ip_options_rcu *ireq_opt_deref(const struct inet_request_sock *ireq)
+{
+ return rcu_dereference_check(ireq->ireq_opt,
+ refcount_read(&ireq->req.rsk_refcnt) > 0);
+}
+
struct inet_cork {
unsigned int flags;
__be32 addr;
diff --git a/include/net/pkt_cls.h b/include/net/pkt_cls.h
index e80edd8879efc70f96dc0fbe91714c48714edc54..3009547f3c66347b38be87831ec17d7aa7a149ed 100644
--- a/include/net/pkt_cls.h
+++ b/include/net/pkt_cls.h
@@ -2,6 +2,7 @@
#define __NET_PKT_CLS_H
#include <linux/pkt_cls.h>
+#include <linux/workqueue.h>
#include <net/sch_generic.h>
#include <net/act_api.h>
@@ -17,6 +18,8 @@ struct tcf_walker {
int register_tcf_proto_ops(struct tcf_proto_ops *ops);
int unregister_tcf_proto_ops(struct tcf_proto_ops *ops);
+bool tcf_queue_work(struct work_struct *work);
+
#ifdef CONFIG_NET_CLS
struct tcf_chain *tcf_chain_get(struct tcf_block *block, u32 chain_index,
bool create);
diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h
index 135f5a2dd93122dd905557028068a31aeea37cb0..0dec8a23be574cd54e4dab927f6df5c7879c33aa 100644
--- a/include/net/sch_generic.h
+++ b/include/net/sch_generic.h
@@ -10,6 +10,7 @@
#include <linux/dynamic_queue_limits.h>
#include <linux/list.h>
#include <linux/refcount.h>
+#include <linux/workqueue.h>
#include <net/gen_stats.h>
#include <net/rtnetlink.h>
@@ -271,6 +272,7 @@ struct tcf_chain {
struct tcf_block {
struct list_head chain_list;
+ struct work_struct work;
};
static inline void qdisc_cb_private_validate(const struct sk_buff *skb, int sz)
diff --git a/include/net/sctp/sm.h b/include/net/sctp/sm.h
index 2db3d3a9ce1d2cd053954bff3d66d06a9246e5c1..88233cf8b8d4f1c4d59a7a897b7a4c4af9f8c779 100644
--- a/include/net/sctp/sm.h
+++ b/include/net/sctp/sm.h
@@ -261,7 +261,7 @@ struct sctp_chunk *sctp_make_fwdtsn(const struct sctp_association *asoc,
struct sctp_fwdtsn_skip *skiplist);
struct sctp_chunk *sctp_make_auth(const struct sctp_association *asoc);
struct sctp_chunk *sctp_make_strreset_req(const struct sctp_association *asoc,
- __u16 stream_num, __u16 *stream_list,
+ __u16 stream_num, __be16 *stream_list,
bool out, bool in);
struct sctp_chunk *sctp_make_strreset_tsnreq(
const struct sctp_association *asoc);
diff --git a/include/net/sctp/ulpevent.h b/include/net/sctp/ulpevent.h
index b8c86ec1a8f5a4b3f025de849b8a6da5772b7427..231dc42f1da687b647bcf43d2fb856e252f4b881 100644
--- a/include/net/sctp/ulpevent.h
+++ b/include/net/sctp/ulpevent.h
@@ -130,7 +130,7 @@ struct sctp_ulpevent *sctp_ulpevent_make_sender_dry_event(
struct sctp_ulpevent *sctp_ulpevent_make_stream_reset_event(
const struct sctp_association *asoc, __u16 flags,
- __u16 stream_num, __u16 *stream_list, gfp_t gfp);
+ __u16 stream_num, __be16 *stream_list, gfp_t gfp);
struct sctp_ulpevent *sctp_ulpevent_make_assoc_reset_event(
const struct sctp_association *asoc, __u16 flags,
diff --git a/include/net/strparser.h b/include/net/strparser.h
index 7dc131d62ad5c3a5a8cb67c91d1f3d86e7207410..d96b59f45ebaac1280f1ca53bb923a0147ade6a9 100644
--- a/include/net/strparser.h
+++ b/include/net/strparser.h
@@ -74,10 +74,9 @@ struct strparser {
u32 unrecov_intr : 1;
struct sk_buff **skb_nextp;
- struct timer_list msg_timer;
struct sk_buff *skb_head;
unsigned int need_bytes;
- struct delayed_work delayed_work;
+ struct delayed_work msg_timer_work;
struct work_struct work;
struct strp_stats stats;
struct strp_callbacks cb;
diff --git a/include/net/tcp.h b/include/net/tcp.h
index b1ef98ebce53cd259a2894f4575cb18cc7755331..33599d17522d6a19b9d9a316cc1579cd5e71ee32 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -844,6 +844,7 @@ struct tcp_skb_cb {
__u32 key;
__u32 flags;
struct bpf_map *map;
+ void *data_end;
} bpf;
};
};
diff --git a/include/uapi/linux/bpf.h b/include/uapi/linux/bpf.h
index f90860d1f8979e03b10063a04179bed44c137e5a..0d7948ce21282ad01e340d018f8dfcf811dca26b 100644
--- a/include/uapi/linux/bpf.h
+++ b/include/uapi/linux/bpf.h
@@ -575,7 +575,7 @@ union bpf_attr {
* @map: pointer to sockmap
* @key: key to lookup sock in map
* @flags: reserved for future use
- * Return: SK_REDIRECT
+ * Return: SK_PASS
*
* int bpf_sock_map_update(skops, map, key, flags)
* @skops: pointer to bpf_sock_ops
@@ -786,8 +786,8 @@ struct xdp_md {
};
enum sk_action {
- SK_ABORTED = 0,
- SK_DROP,
+ SK_DROP = 0,
+ SK_PASS,
SK_REDIRECT,
};
diff --git a/include/uapi/linux/sctp.h b/include/uapi/linux/sctp.h
index 6217ff8500a1d818fd1002fbd6f81c0c11974665..84fc2914b7fbf94616f5af46754c494af055e97c 100644
--- a/include/uapi/linux/sctp.h
+++ b/include/uapi/linux/sctp.h
@@ -376,7 +376,7 @@ struct sctp_remote_error {
__u16 sre_type;
__u16 sre_flags;
__u32 sre_length;
- __u16 sre_error;
+ __be16 sre_error;
sctp_assoc_t sre_assoc_id;
__u8 sre_data[0];
};
diff --git a/kernel/bpf/sockmap.c b/kernel/bpf/sockmap.c
index 2b6eb35ae5d39799a9ae33fe5bf07508d2b82a54..66f00a2b27f44af12362ae3c8df2fbca4d82edce 100644
--- a/kernel/bpf/sockmap.c
+++ b/kernel/bpf/sockmap.c
@@ -93,6 +93,14 @@ static inline struct smap_psock *smap_psock_sk(const struct sock *sk)
return rcu_dereference_sk_user_data(sk);
}
+/* compute the linear packet data range [data, data_end) for skb when
+ * sk_skb type programs are in use.
+ */
+static inline void bpf_compute_data_end_sk_skb(struct sk_buff *skb)
+{
+ TCP_SKB_CB(skb)->bpf.data_end = skb->data + skb_headlen(skb);
+}
+
static int smap_verdict_func(struct smap_psock *psock, struct sk_buff *skb)
{
struct bpf_prog *prog = READ_ONCE(psock->bpf_verdict);
@@ -108,13 +116,14 @@ static int smap_verdict_func(struct smap_psock *psock, struct sk_buff *skb)
*/
TCP_SKB_CB(skb)->bpf.map = NULL;
skb->sk = psock->sock;
- bpf_compute_data_end(skb);
+ bpf_compute_data_end_sk_skb(skb);
preempt_disable();
rc = (*prog->bpf_func)(skb, prog->insnsi);
preempt_enable();
skb->sk = NULL;
- return rc;
+ return rc == SK_PASS ?
+ (TCP_SKB_CB(skb)->bpf.map ? SK_REDIRECT : SK_PASS) : SK_DROP;
}
static void smap_do_verdict(struct smap_psock *psock, struct sk_buff *skb)
@@ -368,7 +377,7 @@ static int smap_parse_func_strparser(struct strparser *strp,
* any socket yet.
*/
skb->sk = psock->sock;
- bpf_compute_data_end(skb);
+ bpf_compute_data_end_sk_skb(skb);
rc = (*prog->bpf_func)(skb, prog->insnsi);
skb->sk = NULL;
rcu_read_unlock();
diff --git a/net/core/filter.c b/net/core/filter.c
index aa0265997f930c86229ee1658063ba9718c6dc79..6ae94f825f72eb810b5252e10dd89cae66f8cbef 100644
--- a/net/core/filter.c
+++ b/net/core/filter.c
@@ -1844,14 +1844,15 @@ BPF_CALL_4(bpf_sk_redirect_map, struct sk_buff *, skb,
{
struct tcp_skb_cb *tcb = TCP_SKB_CB(skb);
+ /* If user passes invalid input drop the packet. */
if (unlikely(flags))
- return SK_ABORTED;
+ return SK_DROP;
tcb->bpf.key = key;
tcb->bpf.flags = flags;
tcb->bpf.map = map;
- return SK_REDIRECT;
+ return SK_PASS;
}
struct sock *do_sk_redirect_map(struct sk_buff *skb)
@@ -4243,6 +4244,31 @@ static u32 sock_ops_convert_ctx_access(enum bpf_access_type type,
return insn - insn_buf;
}
+static u32 sk_skb_convert_ctx_access(enum bpf_access_type type,
+ const struct bpf_insn *si,
+ struct bpf_insn *insn_buf,
+ struct bpf_prog *prog, u32 *target_size)
+{
+ struct bpf_insn *insn = insn_buf;
+ int off;
+
+ switch (si->off) {
+ case offsetof(struct __sk_buff, data_end):
+ off = si->off;
+ off -= offsetof(struct __sk_buff, data_end);
+ off += offsetof(struct sk_buff, cb);
+ off += offsetof(struct tcp_skb_cb, bpf.data_end);
+ *insn++ = BPF_LDX_MEM(BPF_SIZEOF(void *), si->dst_reg,
+ si->src_reg, off);
+ break;
+ default:
+ return bpf_convert_ctx_access(type, si, insn_buf, prog,
+ target_size);
+ }
+
+ return insn - insn_buf;
+}
+
const struct bpf_verifier_ops sk_filter_prog_ops = {
.get_func_proto = sk_filter_func_proto,
.is_valid_access = sk_filter_is_valid_access,
@@ -4301,7 +4327,7 @@ const struct bpf_verifier_ops sock_ops_prog_ops = {
const struct bpf_verifier_ops sk_skb_prog_ops = {
.get_func_proto = sk_skb_func_proto,
.is_valid_access = sk_skb_is_valid_access,
- .convert_ctx_access = bpf_convert_ctx_access,
+ .convert_ctx_access = sk_skb_convert_ctx_access,
.gen_prologue = sk_skb_prologue,
};
diff --git a/net/dccp/ipv4.c b/net/dccp/ipv4.c
index 0490916864f93d5466e87f5b97dc524b3ee57a2e..e65fcb45c3f6c1edc70fc9898ebe6404175b102f 100644
--- a/net/dccp/ipv4.c
+++ b/net/dccp/ipv4.c
@@ -495,7 +495,7 @@ static int dccp_v4_send_response(const struct sock *sk, struct request_sock *req
ireq->ir_rmt_addr);
err = ip_build_and_send_pkt(skb, sk, ireq->ir_loc_addr,
ireq->ir_rmt_addr,
- rcu_dereference(ireq->ireq_opt));
+ ireq_opt_deref(ireq));
err = net_xmit_eval(err);
}
diff --git a/net/dsa/dsa2.c b/net/dsa/dsa2.c
index 873af0108e243fc269f591ec7d7c59a9c8b374fc..045d8a1762793142de2619497da3034f0af55e0c 100644
--- a/net/dsa/dsa2.c
+++ b/net/dsa/dsa2.c
@@ -496,14 +496,15 @@ static int dsa_cpu_parse(struct dsa_port *port, u32 index,
if (!ethernet)
return -EINVAL;
ethernet_dev = of_find_net_device_by_node(ethernet);
+ if (!ethernet_dev)
+ return -EPROBE_DEFER;
} else {
ethernet_dev = dsa_dev_to_net_device(ds->cd->netdev[index]);
+ if (!ethernet_dev)
+ return -EPROBE_DEFER;
dev_put(ethernet_dev);
}
- if (!ethernet_dev)
- return -EPROBE_DEFER;
-
if (!dst->cpu_dp) {
dst->cpu_dp = port;
dst->cpu_dp->netdev = ethernet_dev;
diff --git a/net/ipv4/inet_connection_sock.c b/net/ipv4/inet_connection_sock.c
index 5ec9136a7c36933cb36e5cd50058eb6cf189a7c3..b47a59cb3573b3b77aa5cbb9c2739a12ef37a237 100644
--- a/net/ipv4/inet_connection_sock.c
+++ b/net/ipv4/inet_connection_sock.c
@@ -543,7 +543,8 @@ struct dst_entry *inet_csk_route_req(const struct sock *sk,
struct ip_options_rcu *opt;
struct rtable *rt;
- opt = rcu_dereference(ireq->ireq_opt);
+ opt = ireq_opt_deref(ireq);
+
flowi4_init_output(fl4, ireq->ir_iif, ireq->ir_mark,
RT_CONN_FLAGS(sk), RT_SCOPE_UNIVERSE,
sk->sk_protocol, inet_sk_flowi_flags(sk),
diff --git a/net/ipv4/ipip.c b/net/ipv4/ipip.c
index fb1ad22b5e292d5669c70b5640ad3207c353c6bb..cdd627355ed106ae8228ee4a995f5f3b4588a842 100644
--- a/net/ipv4/ipip.c
+++ b/net/ipv4/ipip.c
@@ -128,43 +128,68 @@ static struct rtnl_link_ops ipip_link_ops __read_mostly;
static int ipip_err(struct sk_buff *skb, u32 info)
{
-
-/* All the routers (except for Linux) return only
- 8 bytes of packet payload. It means, that precise relaying of
- ICMP in the real Internet is absolutely infeasible.
- */
+ /* All the routers (except for Linux) return only
+ * 8 bytes of packet payload. It means, that precise relaying of
+ * ICMP in the real Internet is absolutely infeasible.
+ */
struct net *net = dev_net(skb->dev);
struct ip_tunnel_net *itn = net_generic(net, ipip_net_id);
const struct iphdr *iph = (const struct iphdr *)skb->data;
- struct ip_tunnel *t;
- int err;
const int type = icmp_hdr(skb)->type;
const int code = icmp_hdr(skb)->code;
+ struct ip_tunnel *t;
+ int err = 0;
+
+ switch (type) {
+ case ICMP_DEST_UNREACH:
+ switch (code) {
+ case ICMP_SR_FAILED:
+ /* Impossible event. */
+ goto out;
+ default:
+ /* All others are translated to HOST_UNREACH.
+ * rfc2003 contains "deep thoughts" about NET_UNREACH,
+ * I believe they are just ether pollution. --ANK
+ */
+ break;
+ }
+ break;
+
+ case ICMP_TIME_EXCEEDED:
+ if (code != ICMP_EXC_TTL)
+ goto out;
+ break;
+
+ case ICMP_REDIRECT:
+ break;
+
+ default:
+ goto out;
+ }
- err = -ENOENT;
t = ip_tunnel_lookup(itn, skb->dev->ifindex, TUNNEL_NO_KEY,
iph->daddr, iph->saddr, 0);
- if (!t)
+ if (!t) {
+ err = -ENOENT;
goto out;
+ }
if (type == ICMP_DEST_UNREACH && code == ICMP_FRAG_NEEDED) {
- ipv4_update_pmtu(skb, dev_net(skb->dev), info,
- t->parms.link, 0, iph->protocol, 0);
- err = 0;
+ ipv4_update_pmtu(skb, net, info, t->parms.link, 0,
+ iph->protocol, 0);
goto out;
}
if (type == ICMP_REDIRECT) {
- ipv4_redirect(skb, dev_net(skb->dev), t->parms.link, 0,
- iph->protocol, 0);
- err = 0;
+ ipv4_redirect(skb, net, t->parms.link, 0, iph->protocol, 0);
goto out;
}
- if (t->parms.iph.daddr == 0)
+ if (t->parms.iph.daddr == 0) {
+ err = -ENOENT;
goto out;
+ }
- err = 0;
if (t->parms.iph.ttl == 0 && type == ICMP_TIME_EXCEEDED)
goto out;
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 4c43365c374c8bf868fc0b862333244ca26d5016..5b027c69cbc540d4e933189f9de5baab5472eadb 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -877,7 +877,7 @@ static int tcp_v4_send_synack(const struct sock *sk, struct dst_entry *dst,
err = ip_build_and_send_pkt(skb, sk, ireq->ir_loc_addr,
ireq->ir_rmt_addr,
- rcu_dereference(ireq->ireq_opt));
+ ireq_opt_deref(ireq));
err = net_xmit_eval(err);
}
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index 0bc9e46a53696578eb6e911f2f75e6b34c80894f..ae60dd3faed0adc71731bc686f878afd4c628d32 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -739,8 +739,10 @@ static void tcp_tsq_handler(struct sock *sk)
struct tcp_sock *tp = tcp_sk(sk);
if (tp->lost_out > tp->retrans_out &&
- tp->snd_cwnd > tcp_packets_in_flight(tp))
+ tp->snd_cwnd > tcp_packets_in_flight(tp)) {
+ tcp_mstamp_refresh(tp);
tcp_xmit_retransmit_queue(sk);
+ }
tcp_write_xmit(sk, tcp_current_mss(sk), tp->nonagle,
0, GFP_ATOMIC);
@@ -2237,6 +2239,7 @@ static bool tcp_write_xmit(struct sock *sk, unsigned int mss_now, int nonagle,
sent_pkts = 0;
+ tcp_mstamp_refresh(tp);
if (!push_one) {
/* Do MTU probing. */
result = tcp_mtu_probe(sk);
@@ -2248,7 +2251,6 @@ static bool tcp_write_xmit(struct sock *sk, unsigned int mss_now, int nonagle,
}
max_segs = tcp_tso_segs(sk, mss_now);
- tcp_mstamp_refresh(tp);
while ((skb = tcp_send_head(sk))) {
unsigned int limit;
@@ -2841,8 +2843,10 @@ int __tcp_retransmit_skb(struct sock *sk, struct sk_buff *skb, int segs)
nskb = __pskb_copy(skb, MAX_TCP_HEADER, GFP_ATOMIC);
err = nskb ? tcp_transmit_skb(sk, nskb, 0, GFP_ATOMIC) :
-ENOBUFS;
- if (!err)
+ if (!err) {
skb->skb_mstamp = tp->tcp_mstamp;
+ tcp_rate_skb_sent(sk, skb);
+ }
} else {
err = tcp_transmit_skb(sk, skb, 1, GFP_ATOMIC);
}
diff --git a/net/ipv6/ip6_gre.c b/net/ipv6/ip6_gre.c
index 1602b491b281123f691a4a7afc4ba5fe0a99ac55..59c121b932ac5140380e4592568e455caa64287e 100644
--- a/net/ipv6/ip6_gre.c
+++ b/net/ipv6/ip6_gre.c
@@ -408,13 +408,16 @@ static void ip6gre_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
case ICMPV6_DEST_UNREACH:
net_dbg_ratelimited("%s: Path to destination invalid or inactive!\n",
t->parms.name);
- break;
+ if (code != ICMPV6_PORT_UNREACH)
+ break;
+ return;
case ICMPV6_TIME_EXCEED:
if (code == ICMPV6_EXC_HOPLIMIT) {
net_dbg_ratelimited("%s: Too small hop limit or routing loop in tunnel!\n",
t->parms.name);
+ break;
}
- break;
+ return;
case ICMPV6_PARAMPROB:
teli = 0;
if (code == ICMPV6_HDR_FIELD)
@@ -430,7 +433,7 @@ static void ip6gre_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
net_dbg_ratelimited("%s: Recipient unable to parse tunneled packet!\n",
t->parms.name);
}
- break;
+ return;
case ICMPV6_PKT_TOOBIG:
mtu = be32_to_cpu(info) - offset - t->tun_hlen;
if (t->dev->type == ARPHRD_ETHER)
@@ -438,7 +441,7 @@ static void ip6gre_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
if (mtu < IPV6_MIN_MTU)
mtu = IPV6_MIN_MTU;
t->dev->mtu = mtu;
- break;
+ return;
}
if (time_before(jiffies, t->err_time + IP6TUNNEL_ERR_TIMEO))
@@ -500,8 +503,8 @@ static netdev_tx_t __gre6_xmit(struct sk_buff *skb,
__u32 *pmtu, __be16 proto)
{
struct ip6_tnl *tunnel = netdev_priv(dev);
- __be16 protocol = (dev->type == ARPHRD_ETHER) ?
- htons(ETH_P_TEB) : proto;
+ struct dst_entry *dst = skb_dst(skb);
+ __be16 protocol;
if (dev->type == ARPHRD_ETHER)
IPCB(skb)->flags = 0;
@@ -515,9 +518,14 @@ static netdev_tx_t __gre6_xmit(struct sk_buff *skb,
tunnel->o_seqno++;
/* Push GRE header. */
+ protocol = (dev->type == ARPHRD_ETHER) ? htons(ETH_P_TEB) : proto;
gre_build_header(skb, tunnel->tun_hlen, tunnel->parms.o_flags,
protocol, tunnel->parms.o_key, htonl(tunnel->o_seqno));
+ /* TooBig packet may have updated dst->dev's mtu */
+ if (dst && dst_mtu(dst) > dst->dev->mtu)
+ dst->ops->update_pmtu(dst, NULL, skb, dst->dev->mtu);
+
return ip6_tnl_xmit(skb, dev, dsfield, fl6, encap_limit, pmtu,
NEXTHDR_GRE);
}
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index a354f1939e49b83a5c04bcebd54952d33e8dae8d..fb15d3b97cb214078f1533f880350fe280b57c69 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -2727,12 +2727,6 @@ static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
if (!ieee80211_sdata_running(sdata))
return -ENETDOWN;
- if (ieee80211_hw_check(&local->hw, HAS_RATE_CONTROL)) {
- ret = drv_set_bitrate_mask(local, sdata, mask);
- if (ret)
- return ret;
- }
-
/*
* If active validate the setting and reject it if it doesn't leave
* at least one basic rate usable, since we really have to be able
@@ -2748,6 +2742,12 @@ static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
return -EINVAL;
}
+ if (ieee80211_hw_check(&local->hw, HAS_RATE_CONTROL)) {
+ ret = drv_set_bitrate_mask(local, sdata, mask);
+ if (ret)
+ return ret;
+ }
+
for (i = 0; i < NUM_NL80211_BANDS; i++) {
struct ieee80211_supported_band *sband = wiphy->bands[i];
int j;
diff --git a/net/mac80211/key.c b/net/mac80211/key.c
index ae995c8480db9639e1070a6f4743f1e6d6213e81..938049395f9073169035ded5f506cb0c192c41f7 100644
--- a/net/mac80211/key.c
+++ b/net/mac80211/key.c
@@ -19,6 +19,7 @@
#include <linux/slab.h>
#include <linux/export.h>
#include <net/mac80211.h>
+#include <crypto/algapi.h>
#include <asm/unaligned.h>
#include "ieee80211_i.h"
#include "driver-ops.h"
@@ -609,6 +610,39 @@ void ieee80211_key_free_unused(struct ieee80211_key *key)
ieee80211_key_free_common(key);
}
+static bool ieee80211_key_identical(struct ieee80211_sub_if_data *sdata,
+ struct ieee80211_key *old,
+ struct ieee80211_key *new)
+{
+ u8 tkip_old[WLAN_KEY_LEN_TKIP], tkip_new[WLAN_KEY_LEN_TKIP];
+ u8 *tk_old, *tk_new;
+
+ if (!old || new->conf.keylen != old->conf.keylen)
+ return false;
+
+ tk_old = old->conf.key;
+ tk_new = new->conf.key;
+
+ /*
+ * In station mode, don't compare the TX MIC key, as it's never used
+ * and offloaded rekeying may not care to send it to the host. This
+ * is the case in iwlwifi, for example.
+ */
+ if (sdata->vif.type == NL80211_IFTYPE_STATION &&
+ new->conf.cipher == WLAN_CIPHER_SUITE_TKIP &&
+ new->conf.keylen == WLAN_KEY_LEN_TKIP &&
+ !(new->conf.flags & IEEE80211_KEY_FLAG_PAIRWISE)) {
+ memcpy(tkip_old, tk_old, WLAN_KEY_LEN_TKIP);
+ memcpy(tkip_new, tk_new, WLAN_KEY_LEN_TKIP);
+ memset(tkip_old + NL80211_TKIP_DATA_OFFSET_TX_MIC_KEY, 0, 8);
+ memset(tkip_new + NL80211_TKIP_DATA_OFFSET_TX_MIC_KEY, 0, 8);
+ tk_old = tkip_old;
+ tk_new = tkip_new;
+ }
+
+ return !crypto_memneq(tk_old, tk_new, new->conf.keylen);
+}
+
int ieee80211_key_link(struct ieee80211_key *key,
struct ieee80211_sub_if_data *sdata,
struct sta_info *sta)
@@ -634,8 +668,7 @@ int ieee80211_key_link(struct ieee80211_key *key,
* Silently accept key re-installation without really installing the
* new version of the key to avoid nonce reuse or replay issues.
*/
- if (old_key && key->conf.keylen == old_key->conf.keylen &&
- !memcmp(key->conf.key, old_key->conf.key, key->conf.keylen)) {
+ if (ieee80211_key_identical(sdata, old_key, key)) {
ieee80211_key_free_unused(key);
ret = 0;
goto out;
diff --git a/net/rds/ib_send.c b/net/rds/ib_send.c
index 6ab39dbcca0197339cb8c2e9ec5676a778c4d23e..8557a1cae04170496887815a0f41e7c1abd2d979 100644
--- a/net/rds/ib_send.c
+++ b/net/rds/ib_send.c
@@ -661,13 +661,15 @@ int rds_ib_xmit(struct rds_connection *conn, struct rds_message *rm,
}
}
- rds_ib_set_wr_signal_state(ic, send, 0);
+ rds_ib_set_wr_signal_state(ic, send, false);
/*
* Always signal the last one if we're stopping due to flow control.
*/
- if (ic->i_flowctl && flow_controlled && i == (work_alloc-1))
- send->s_wr.send_flags |= IB_SEND_SIGNALED | IB_SEND_SOLICITED;
+ if (ic->i_flowctl && flow_controlled && i == (work_alloc - 1)) {
+ rds_ib_set_wr_signal_state(ic, send, true);
+ send->s_wr.send_flags |= IB_SEND_SOLICITED;
+ }
if (send->s_wr.send_flags & IB_SEND_SIGNALED)
nr_sig++;
@@ -705,11 +707,8 @@ int rds_ib_xmit(struct rds_connection *conn, struct rds_message *rm,
if (scat == &rm->data.op_sg[rm->data.op_count]) {
prev->s_op = ic->i_data_op;
prev->s_wr.send_flags |= IB_SEND_SOLICITED;
- if (!(prev->s_wr.send_flags & IB_SEND_SIGNALED)) {
- ic->i_unsignaled_wrs = rds_ib_sysctl_max_unsig_wrs;
- prev->s_wr.send_flags |= IB_SEND_SIGNALED;
- nr_sig++;
- }
+ if (!(prev->s_wr.send_flags & IB_SEND_SIGNALED))
+ nr_sig += rds_ib_set_wr_signal_state(ic, prev, true);
ic->i_data_op = NULL;
}
@@ -792,6 +791,7 @@ int rds_ib_xmit_atomic(struct rds_connection *conn, struct rm_atomic_op *op)
send->s_atomic_wr.compare_add_mask = op->op_m_fadd.nocarry_mask;
send->s_atomic_wr.swap_mask = 0;
}
+ send->s_wr.send_flags = 0;
nr_sig = rds_ib_set_wr_signal_state(ic, send, op->op_notify);
send->s_atomic_wr.wr.num_sge = 1;
send->s_atomic_wr.wr.next = NULL;
diff --git a/net/sched/act_sample.c b/net/sched/act_sample.c
index ec986ae528089081ecdf8528437bbd82b7e840e1..a9f9a2ccc66454196dc275d8825acb847661d7a7 100644
--- a/net/sched/act_sample.c
+++ b/net/sched/act_sample.c
@@ -264,6 +264,7 @@ static int __init sample_init_module(void)
static void __exit sample_cleanup_module(void)
{
+ rcu_barrier();
tcf_unregister_action(&act_sample_ops, &sample_net_ops);
}
diff --git a/net/sched/cls_api.c b/net/sched/cls_api.c
index 0b2219adf520b33a471dd3b8e2fdf9f46271c3f9..231181c602edbae39fa7aecc345a12a25b35a6bb 100644
--- a/net/sched/cls_api.c
+++ b/net/sched/cls_api.c
@@ -77,6 +77,8 @@ int register_tcf_proto_ops(struct tcf_proto_ops *ops)
}
EXPORT_SYMBOL(register_tcf_proto_ops);
+static struct workqueue_struct *tc_filter_wq;
+
int unregister_tcf_proto_ops(struct tcf_proto_ops *ops)
{
struct tcf_proto_ops *t;
@@ -86,6 +88,7 @@ int unregister_tcf_proto_ops(struct tcf_proto_ops *ops)
* tcf_proto_ops's destroy() handler.
*/
rcu_barrier();
+ flush_workqueue(tc_filter_wq);
write_lock(&cls_mod_lock);
list_for_each_entry(t, &tcf_proto_base, head) {
@@ -100,6 +103,12 @@ int unregister_tcf_proto_ops(struct tcf_proto_ops *ops)
}
EXPORT_SYMBOL(unregister_tcf_proto_ops);
+bool tcf_queue_work(struct work_struct *work)
+{
+ return queue_work(tc_filter_wq, work);
+}
+EXPORT_SYMBOL(tcf_queue_work);
+
/* Select new prio value from the range, managed by kernel. */
static inline u32 tcf_auto_prio(struct tcf_proto *tp)
@@ -266,23 +275,30 @@ int tcf_block_get(struct tcf_block **p_block,
}
EXPORT_SYMBOL(tcf_block_get);
-void tcf_block_put(struct tcf_block *block)
+static void tcf_block_put_final(struct work_struct *work)
{
+ struct tcf_block *block = container_of(work, struct tcf_block, work);
struct tcf_chain *chain, *tmp;
- if (!block)
- return;
-
- /* XXX: Standalone actions are not allowed to jump to any chain, and
- * bound actions should be all removed after flushing. However,
- * filters are destroyed in RCU callbacks, we have to hold the chains
- * first, otherwise we would always race with RCU callbacks on this list
- * without proper locking.
- */
+ /* At this point, all the chains should have refcnt == 1. */
+ rtnl_lock();
+ list_for_each_entry_safe(chain, tmp, &block->chain_list, list)
+ tcf_chain_put(chain);
+ rtnl_unlock();
+ kfree(block);
+}
- /* Wait for existing RCU callbacks to cool down. */
- rcu_barrier();
+/* XXX: Standalone actions are not allowed to jump to any chain, and bound
+ * actions should be all removed after flushing. However, filters are destroyed
+ * in RCU callbacks, we have to hold the chains first, otherwise we would
+ * always race with RCU callbacks on this list without proper locking.
+ */
+static void tcf_block_put_deferred(struct work_struct *work)
+{
+ struct tcf_block *block = container_of(work, struct tcf_block, work);
+ struct tcf_chain *chain;
+ rtnl_lock();
/* Hold a refcnt for all chains, except 0, in case they are gone. */
list_for_each_entry(chain, &block->chain_list, list)
if (chain->index)
@@ -292,13 +308,27 @@ void tcf_block_put(struct tcf_block *block)
list_for_each_entry(chain, &block->chain_list, list)
tcf_chain_flush(chain);
- /* Wait for RCU callbacks to release the reference count. */
+ INIT_WORK(&block->work, tcf_block_put_final);
+ /* Wait for RCU callbacks to release the reference count and make
+ * sure their works have been queued before this.
+ */
rcu_barrier();
+ tcf_queue_work(&block->work);
+ rtnl_unlock();
+}
- /* At this point, all the chains should have refcnt == 1. */
- list_for_each_entry_safe(chain, tmp, &block->chain_list, list)
- tcf_chain_put(chain);
- kfree(block);
+void tcf_block_put(struct tcf_block *block)
+{
+ if (!block)
+ return;
+
+ INIT_WORK(&block->work, tcf_block_put_deferred);
+ /* Wait for existing RCU callbacks to cool down, make sure their works
+ * have been queued before this. We can not flush pending works here
+ * because we are holding the RTNL lock.
+ */
+ rcu_barrier();
+ tcf_queue_work(&block->work);
}
EXPORT_SYMBOL(tcf_block_put);
@@ -879,6 +909,7 @@ void tcf_exts_destroy(struct tcf_exts *exts)
#ifdef CONFIG_NET_CLS_ACT
LIST_HEAD(actions);
+ ASSERT_RTNL();
tcf_exts_to_list(exts, &actions);
tcf_action_destroy(&actions, TCA_ACT_UNBIND);
kfree(exts->actions);
@@ -1030,6 +1061,10 @@ EXPORT_SYMBOL(tcf_exts_get_dev);
static int __init tc_filter_init(void)
{
+ tc_filter_wq = alloc_ordered_workqueue("tc_filter_workqueue", 0);
+ if (!tc_filter_wq)
+ return -ENOMEM;
+
rtnl_register(PF_UNSPEC, RTM_NEWTFILTER, tc_ctl_tfilter, NULL, 0);
rtnl_register(PF_UNSPEC, RTM_DELTFILTER, tc_ctl_tfilter, NULL, 0);
rtnl_register(PF_UNSPEC, RTM_GETTFILTER, tc_ctl_tfilter,
diff --git a/net/sched/cls_basic.c b/net/sched/cls_basic.c
index d89ebafd22390238b868425cb5a8bbd8dec2c268..f177649a24192a144f261d4e4a40b52ce7cdc91a 100644
--- a/net/sched/cls_basic.c
+++ b/net/sched/cls_basic.c
@@ -34,7 +34,10 @@ struct basic_filter {
struct tcf_result res;
struct tcf_proto *tp;
struct list_head link;
- struct rcu_head rcu;
+ union {
+ struct work_struct work;
+ struct rcu_head rcu;
+ };
};
static int basic_classify(struct sk_buff *skb, const struct tcf_proto *tp,
@@ -82,15 +85,26 @@ static int basic_init(struct tcf_proto *tp)
return 0;
}
-static void basic_delete_filter(struct rcu_head *head)
+static void basic_delete_filter_work(struct work_struct *work)
{
- struct basic_filter *f = container_of(head, struct basic_filter, rcu);
+ struct basic_filter *f = container_of(work, struct basic_filter, work);
+ rtnl_lock();
tcf_exts_destroy(&f->exts);
tcf_em_tree_destroy(&f->ematches);
+ rtnl_unlock();
+
kfree(f);
}
+static void basic_delete_filter(struct rcu_head *head)
+{
+ struct basic_filter *f = container_of(head, struct basic_filter, rcu);
+
+ INIT_WORK(&f->work, basic_delete_filter_work);
+ tcf_queue_work(&f->work);
+}
+
static void basic_destroy(struct tcf_proto *tp)
{
struct basic_head *head = rtnl_dereference(tp->root);
diff --git a/net/sched/cls_bpf.c b/net/sched/cls_bpf.c
index 520c5027646aea5146f22d7898acfbc7dee3385a..037a3ae86829946135e2154bd83ddc722b61af17 100644
--- a/net/sched/cls_bpf.c
+++ b/net/sched/cls_bpf.c
@@ -49,7 +49,10 @@ struct cls_bpf_prog {
struct sock_filter *bpf_ops;
const char *bpf_name;
struct tcf_proto *tp;
- struct rcu_head rcu;
+ union {
+ struct work_struct work;
+ struct rcu_head rcu;
+ };
};
static const struct nla_policy bpf_policy[TCA_BPF_MAX + 1] = {
@@ -257,9 +260,21 @@ static void __cls_bpf_delete_prog(struct cls_bpf_prog *prog)
kfree(prog);
}
+static void cls_bpf_delete_prog_work(struct work_struct *work)
+{
+ struct cls_bpf_prog *prog = container_of(work, struct cls_bpf_prog, work);
+
+ rtnl_lock();
+ __cls_bpf_delete_prog(prog);
+ rtnl_unlock();
+}
+
static void cls_bpf_delete_prog_rcu(struct rcu_head *rcu)
{
- __cls_bpf_delete_prog(container_of(rcu, struct cls_bpf_prog, rcu));
+ struct cls_bpf_prog *prog = container_of(rcu, struct cls_bpf_prog, rcu);
+
+ INIT_WORK(&prog->work, cls_bpf_delete_prog_work);
+ tcf_queue_work(&prog->work);
}
static void __cls_bpf_delete(struct tcf_proto *tp, struct cls_bpf_prog *prog)
diff --git a/net/sched/cls_cgroup.c b/net/sched/cls_cgroup.c
index d48452f8797528dd7ada96dae61a82b3905aa0de..a97e069bee89f0010daaa33c610cc1aea7b97811 100644
--- a/net/sched/cls_cgroup.c
+++ b/net/sched/cls_cgroup.c
@@ -23,7 +23,10 @@ struct cls_cgroup_head {
struct tcf_exts exts;
struct tcf_ematch_tree ematches;
struct tcf_proto *tp;
- struct rcu_head rcu;
+ union {
+ struct work_struct work;
+ struct rcu_head rcu;
+ };
};
static int cls_cgroup_classify(struct sk_buff *skb, const struct tcf_proto *tp,
@@ -57,15 +60,26 @@ static const struct nla_policy cgroup_policy[TCA_CGROUP_MAX + 1] = {
[TCA_CGROUP_EMATCHES] = { .type = NLA_NESTED },
};
+static void cls_cgroup_destroy_work(struct work_struct *work)
+{
+ struct cls_cgroup_head *head = container_of(work,
+ struct cls_cgroup_head,
+ work);
+ rtnl_lock();
+ tcf_exts_destroy(&head->exts);
+ tcf_em_tree_destroy(&head->ematches);
+ kfree(head);
+ rtnl_unlock();
+}
+
static void cls_cgroup_destroy_rcu(struct rcu_head *root)
{
struct cls_cgroup_head *head = container_of(root,
struct cls_cgroup_head,
rcu);
- tcf_exts_destroy(&head->exts);
- tcf_em_tree_destroy(&head->ematches);
- kfree(head);
+ INIT_WORK(&head->work, cls_cgroup_destroy_work);
+ tcf_queue_work(&head->work);
}
static int cls_cgroup_change(struct net *net, struct sk_buff *in_skb,
diff --git a/net/sched/cls_flow.c b/net/sched/cls_flow.c
index 2a3a60ec5b8617c48e58d8a9339cda69be68442f..67f3a2af6aab1aadb5b492265d8469a37a1e8fd5 100644
--- a/net/sched/cls_flow.c
+++ b/net/sched/cls_flow.c
@@ -57,7 +57,10 @@ struct flow_filter {
u32 divisor;
u32 baseclass;
u32 hashrnd;
- struct rcu_head rcu;
+ union {
+ struct work_struct work;
+ struct rcu_head rcu;
+ };
};
static inline u32 addr_fold(void *addr)
@@ -369,14 +372,24 @@ static const struct nla_policy flow_policy[TCA_FLOW_MAX + 1] = {
[TCA_FLOW_PERTURB] = { .type = NLA_U32 },
};
-static void flow_destroy_filter(struct rcu_head *head)
+static void flow_destroy_filter_work(struct work_struct *work)
{
- struct flow_filter *f = container_of(head, struct flow_filter, rcu);
+ struct flow_filter *f = container_of(work, struct flow_filter, work);
+ rtnl_lock();
del_timer_sync(&f->perturb_timer);
tcf_exts_destroy(&f->exts);
tcf_em_tree_destroy(&f->ematches);
kfree(f);
+ rtnl_unlock();
+}
+
+static void flow_destroy_filter(struct rcu_head *head)
+{
+ struct flow_filter *f = container_of(head, struct flow_filter, rcu);
+
+ INIT_WORK(&f->work, flow_destroy_filter_work);
+ tcf_queue_work(&f->work);
}
static int flow_change(struct net *net, struct sk_buff *in_skb,
diff --git a/net/sched/cls_flower.c b/net/sched/cls_flower.c
index b480d7c792ba03e26e2eece4998f1b82e9c75b05..5b5722c8b32c1a276f7441fb67baa0d16ba24ff2 100644
--- a/net/sched/cls_flower.c
+++ b/net/sched/cls_flower.c
@@ -87,7 +87,10 @@ struct cls_fl_filter {
struct list_head list;
u32 handle;
u32 flags;
- struct rcu_head rcu;
+ union {
+ struct work_struct work;
+ struct rcu_head rcu;
+ };
struct net_device *hw_dev;
};
@@ -215,12 +218,22 @@ static int fl_init(struct tcf_proto *tp)
return 0;
}
-static void fl_destroy_filter(struct rcu_head *head)
+static void fl_destroy_filter_work(struct work_struct *work)
{
- struct cls_fl_filter *f = container_of(head, struct cls_fl_filter, rcu);
+ struct cls_fl_filter *f = container_of(work, struct cls_fl_filter, work);
+ rtnl_lock();
tcf_exts_destroy(&f->exts);
kfree(f);
+ rtnl_unlock();
+}
+
+static void fl_destroy_filter(struct rcu_head *head)
+{
+ struct cls_fl_filter *f = container_of(head, struct cls_fl_filter, rcu);
+
+ INIT_WORK(&f->work, fl_destroy_filter_work);
+ tcf_queue_work(&f->work);
}
static void fl_hw_destroy_filter(struct tcf_proto *tp, struct cls_fl_filter *f)
diff --git a/net/sched/cls_fw.c b/net/sched/cls_fw.c
index 941245ad07fd4b8bb4fd97cd84fac8791c571276..99183b8621ecb0543af91020167d13c193cad214 100644
--- a/net/sched/cls_fw.c
+++ b/net/sched/cls_fw.c
@@ -46,7 +46,10 @@ struct fw_filter {
#endif /* CONFIG_NET_CLS_IND */
struct tcf_exts exts;
struct tcf_proto *tp;
- struct rcu_head rcu;
+ union {
+ struct work_struct work;
+ struct rcu_head rcu;
+ };
};
static u32 fw_hash(u32 handle)
@@ -119,12 +122,22 @@ static int fw_init(struct tcf_proto *tp)
return 0;
}
-static void fw_delete_filter(struct rcu_head *head)
+static void fw_delete_filter_work(struct work_struct *work)
{
- struct fw_filter *f = container_of(head, struct fw_filter, rcu);
+ struct fw_filter *f = container_of(work, struct fw_filter, work);
+ rtnl_lock();
tcf_exts_destroy(&f->exts);
kfree(f);
+ rtnl_unlock();
+}
+
+static void fw_delete_filter(struct rcu_head *head)
+{
+ struct fw_filter *f = container_of(head, struct fw_filter, rcu);
+
+ INIT_WORK(&f->work, fw_delete_filter_work);
+ tcf_queue_work(&f->work);
}
static void fw_destroy(struct tcf_proto *tp)
diff --git a/net/sched/cls_matchall.c b/net/sched/cls_matchall.c
index eeac606c95abe99ca3f24ab462589adbe7c86388..c33f711b90198ab8b77bd314c289d09cbfe2d170 100644
--- a/net/sched/cls_matchall.c
+++ b/net/sched/cls_matchall.c
@@ -21,7 +21,10 @@ struct cls_mall_head {
struct tcf_result res;
u32 handle;
u32 flags;
- struct rcu_head rcu;
+ union {
+ struct work_struct work;
+ struct rcu_head rcu;
+ };
};
static int mall_classify(struct sk_buff *skb, const struct tcf_proto *tp,
@@ -41,13 +44,23 @@ static int mall_init(struct tcf_proto *tp)
return 0;
}
+static void mall_destroy_work(struct work_struct *work)
+{
+ struct cls_mall_head *head = container_of(work, struct cls_mall_head,
+ work);
+ rtnl_lock();
+ tcf_exts_destroy(&head->exts);
+ kfree(head);
+ rtnl_unlock();
+}
+
static void mall_destroy_rcu(struct rcu_head *rcu)
{
struct cls_mall_head *head = container_of(rcu, struct cls_mall_head,
rcu);
- tcf_exts_destroy(&head->exts);
- kfree(head);
+ INIT_WORK(&head->work, mall_destroy_work);
+ tcf_queue_work(&head->work);
}
static int mall_replace_hw_filter(struct tcf_proto *tp,
diff --git a/net/sched/cls_route.c b/net/sched/cls_route.c
index 9ddde65915d22615aa93036f01ae0368783c94f6..4b14ccd8b8f271aabecb97427fa3fa18f7484747 100644
--- a/net/sched/cls_route.c
+++ b/net/sched/cls_route.c
@@ -57,7 +57,10 @@ struct route4_filter {
u32 handle;
struct route4_bucket *bkt;
struct tcf_proto *tp;
- struct rcu_head rcu;
+ union {
+ struct work_struct work;
+ struct rcu_head rcu;
+ };
};
#define ROUTE4_FAILURE ((struct route4_filter *)(-1L))
@@ -254,12 +257,22 @@ static int route4_init(struct tcf_proto *tp)
return 0;
}
-static void route4_delete_filter(struct rcu_head *head)
+static void route4_delete_filter_work(struct work_struct *work)
{
- struct route4_filter *f = container_of(head, struct route4_filter, rcu);
+ struct route4_filter *f = container_of(work, struct route4_filter, work);
+ rtnl_lock();
tcf_exts_destroy(&f->exts);
kfree(f);
+ rtnl_unlock();
+}
+
+static void route4_delete_filter(struct rcu_head *head)
+{
+ struct route4_filter *f = container_of(head, struct route4_filter, rcu);
+
+ INIT_WORK(&f->work, route4_delete_filter_work);
+ tcf_queue_work(&f->work);
}
static void route4_destroy(struct tcf_proto *tp)
diff --git a/net/sched/cls_rsvp.h b/net/sched/cls_rsvp.h
index b1f6ed48bc729b9238d1a3502c147ca856b3a996..bdbc541787f87d6bc0592122acef87a80b0b8d03 100644
--- a/net/sched/cls_rsvp.h
+++ b/net/sched/cls_rsvp.h
@@ -97,7 +97,10 @@ struct rsvp_filter {
u32 handle;
struct rsvp_session *sess;
- struct rcu_head rcu;
+ union {
+ struct work_struct work;
+ struct rcu_head rcu;
+ };
};
static inline unsigned int hash_dst(__be32 *dst, u8 protocol, u8 tunnelid)
@@ -282,12 +285,22 @@ static int rsvp_init(struct tcf_proto *tp)
return -ENOBUFS;
}
-static void rsvp_delete_filter_rcu(struct rcu_head *head)
+static void rsvp_delete_filter_work(struct work_struct *work)
{
- struct rsvp_filter *f = container_of(head, struct rsvp_filter, rcu);
+ struct rsvp_filter *f = container_of(work, struct rsvp_filter, work);
+ rtnl_lock();
tcf_exts_destroy(&f->exts);
kfree(f);
+ rtnl_unlock();
+}
+
+static void rsvp_delete_filter_rcu(struct rcu_head *head)
+{
+ struct rsvp_filter *f = container_of(head, struct rsvp_filter, rcu);
+
+ INIT_WORK(&f->work, rsvp_delete_filter_work);
+ tcf_queue_work(&f->work);
}
static void rsvp_delete_filter(struct tcf_proto *tp, struct rsvp_filter *f)
diff --git a/net/sched/cls_tcindex.c b/net/sched/cls_tcindex.c
index 14a7e08b2fa9e2f8a3551f6dbc1fb38f1e8df579..beaa95e09c25c26ba94155f03375d27156e9cbc4 100644
--- a/net/sched/cls_tcindex.c
+++ b/net/sched/cls_tcindex.c
@@ -27,14 +27,20 @@
struct tcindex_filter_result {
struct tcf_exts exts;
struct tcf_result res;
- struct rcu_head rcu;
+ union {
+ struct work_struct work;
+ struct rcu_head rcu;
+ };
};
struct tcindex_filter {
u16 key;
struct tcindex_filter_result result;
struct tcindex_filter __rcu *next;
- struct rcu_head rcu;
+ union {
+ struct work_struct work;
+ struct rcu_head rcu;
+ };
};
@@ -133,12 +139,34 @@ static int tcindex_init(struct tcf_proto *tp)
return 0;
}
+static void tcindex_destroy_rexts_work(struct work_struct *work)
+{
+ struct tcindex_filter_result *r;
+
+ r = container_of(work, struct tcindex_filter_result, work);
+ rtnl_lock();
+ tcf_exts_destroy(&r->exts);
+ rtnl_unlock();
+}
+
static void tcindex_destroy_rexts(struct rcu_head *head)
{
struct tcindex_filter_result *r;
r = container_of(head, struct tcindex_filter_result, rcu);
- tcf_exts_destroy(&r->exts);
+ INIT_WORK(&r->work, tcindex_destroy_rexts_work);
+ tcf_queue_work(&r->work);
+}
+
+static void tcindex_destroy_fexts_work(struct work_struct *work)
+{
+ struct tcindex_filter *f = container_of(work, struct tcindex_filter,
+ work);
+
+ rtnl_lock();
+ tcf_exts_destroy(&f->result.exts);
+ kfree(f);
+ rtnl_unlock();
}
static void tcindex_destroy_fexts(struct rcu_head *head)
@@ -146,8 +174,8 @@ static void tcindex_destroy_fexts(struct rcu_head *head)
struct tcindex_filter *f = container_of(head, struct tcindex_filter,
rcu);
- tcf_exts_destroy(&f->result.exts);
- kfree(f);
+ INIT_WORK(&f->work, tcindex_destroy_fexts_work);
+ tcf_queue_work(&f->work);
}
static int tcindex_delete(struct tcf_proto *tp, void *arg, bool *last)
diff --git a/net/sched/cls_u32.c b/net/sched/cls_u32.c
index 10b8d851fc6be96c761bea127776b84d21b4fc05..dadd1b3444970d1be4936e4f1a6cf8fd9a6d14a6 100644
--- a/net/sched/cls_u32.c
+++ b/net/sched/cls_u32.c
@@ -68,7 +68,10 @@ struct tc_u_knode {
u32 __percpu *pcpu_success;
#endif
struct tcf_proto *tp;
- struct rcu_head rcu;
+ union {
+ struct work_struct work;
+ struct rcu_head rcu;
+ };
/* The 'sel' field MUST be the last field in structure to allow for
* tc_u32_keys allocated at end of structure.
*/
@@ -418,11 +421,21 @@ static int u32_destroy_key(struct tcf_proto *tp, struct tc_u_knode *n,
* this the u32_delete_key_rcu variant does not free the percpu
* statistics.
*/
+static void u32_delete_key_work(struct work_struct *work)
+{
+ struct tc_u_knode *key = container_of(work, struct tc_u_knode, work);
+
+ rtnl_lock();
+ u32_destroy_key(key->tp, key, false);
+ rtnl_unlock();
+}
+
static void u32_delete_key_rcu(struct rcu_head *rcu)
{
struct tc_u_knode *key = container_of(rcu, struct tc_u_knode, rcu);
- u32_destroy_key(key->tp, key, false);
+ INIT_WORK(&key->work, u32_delete_key_work);
+ tcf_queue_work(&key->work);
}
/* u32_delete_key_freepf_rcu is the rcu callback variant
@@ -432,11 +445,21 @@ static void u32_delete_key_rcu(struct rcu_head *rcu)
* for the variant that should be used with keys return from
* u32_init_knode()
*/
+static void u32_delete_key_freepf_work(struct work_struct *work)
+{
+ struct tc_u_knode *key = container_of(work, struct tc_u_knode, work);
+
+ rtnl_lock();
+ u32_destroy_key(key->tp, key, true);
+ rtnl_unlock();
+}
+
static void u32_delete_key_freepf_rcu(struct rcu_head *rcu)
{
struct tc_u_knode *key = container_of(rcu, struct tc_u_knode, rcu);
- u32_destroy_key(key->tp, key, true);
+ INIT_WORK(&key->work, u32_delete_key_freepf_work);
+ tcf_queue_work(&key->work);
}
static int u32_delete_key(struct tcf_proto *tp, struct tc_u_knode *key)
diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c
index c6deb74e3d2f4a007554b9cf78e4ddf7b7b84535..22bc6fc4831116d75027a3871e7854e07b823d71 100644
--- a/net/sched/sch_api.c
+++ b/net/sched/sch_api.c
@@ -301,6 +301,8 @@ struct Qdisc *qdisc_lookup(struct net_device *dev, u32 handle)
{
struct Qdisc *q;
+ if (!handle)
+ return NULL;
q = qdisc_match_from_root(dev->qdisc, handle);
if (q)
goto out;
diff --git a/net/sctp/input.c b/net/sctp/input.c
index 34f10e75f3b951a6fce87092a9af58dddb1f891b..621b5ca3fd1c17c3d7ef7bb1c7677ab98cebbe77 100644
--- a/net/sctp/input.c
+++ b/net/sctp/input.c
@@ -794,7 +794,7 @@ static struct sctp_endpoint *__sctp_rcv_lookup_endpoint(struct net *net,
struct sctp_hash_cmp_arg {
const union sctp_addr *paddr;
const struct net *net;
- u16 lport;
+ __be16 lport;
};
static inline int sctp_hash_cmp(struct rhashtable_compare_arg *arg,
@@ -820,37 +820,37 @@ static inline int sctp_hash_cmp(struct rhashtable_compare_arg *arg,
return err;
}
-static inline u32 sctp_hash_obj(const void *data, u32 len, u32 seed)
+static inline __u32 sctp_hash_obj(const void *data, u32 len, u32 seed)
{
const struct sctp_transport *t = data;
const union sctp_addr *paddr = &t->ipaddr;
const struct net *net = sock_net(t->asoc->base.sk);
- u16 lport = htons(t->asoc->base.bind_addr.port);
- u32 addr;
+ __be16 lport = htons(t->asoc->base.bind_addr.port);
+ __u32 addr;
if (paddr->sa.sa_family == AF_INET6)
addr = jhash(&paddr->v6.sin6_addr, 16, seed);
else
- addr = paddr->v4.sin_addr.s_addr;
+ addr = (__force __u32)paddr->v4.sin_addr.s_addr;
- return jhash_3words(addr, ((__u32)paddr->v4.sin_port) << 16 |
+ return jhash_3words(addr, ((__force __u32)paddr->v4.sin_port) << 16 |
(__force __u32)lport, net_hash_mix(net), seed);
}
-static inline u32 sctp_hash_key(const void *data, u32 len, u32 seed)
+static inline __u32 sctp_hash_key(const void *data, u32 len, u32 seed)
{
const struct sctp_hash_cmp_arg *x = data;
const union sctp_addr *paddr = x->paddr;
const struct net *net = x->net;
- u16 lport = x->lport;
- u32 addr;
+ __be16 lport = x->lport;
+ __u32 addr;
if (paddr->sa.sa_family == AF_INET6)
addr = jhash(&paddr->v6.sin6_addr, 16, seed);
else
- addr = paddr->v4.sin_addr.s_addr;
+ addr = (__force __u32)paddr->v4.sin_addr.s_addr;
- return jhash_3words(addr, ((__u32)paddr->v4.sin_port) << 16 |
+ return jhash_3words(addr, ((__force __u32)paddr->v4.sin_port) << 16 |
(__force __u32)lport, net_hash_mix(net), seed);
}
diff --git a/net/sctp/ipv6.c b/net/sctp/ipv6.c
index 51c4887695909d171285b98ce1be779a3adedbab..a6dfa86c02016e3ff81f10f729a56e6673affc68 100644
--- a/net/sctp/ipv6.c
+++ b/net/sctp/ipv6.c
@@ -738,7 +738,7 @@ static int sctp_v6_skb_iif(const struct sk_buff *skb)
/* Was this packet marked by Explicit Congestion Notification? */
static int sctp_v6_is_ce(const struct sk_buff *skb)
{
- return *((__u32 *)(ipv6_hdr(skb))) & htonl(1 << 20);
+ return *((__u32 *)(ipv6_hdr(skb))) & (__force __u32)htonl(1 << 20);
}
/* Dump the v6 addr to the seq file. */
@@ -882,8 +882,10 @@ static int sctp_inet6_bind_verify(struct sctp_sock *opt, union sctp_addr *addr)
net = sock_net(&opt->inet.sk);
rcu_read_lock();
dev = dev_get_by_index_rcu(net, addr->v6.sin6_scope_id);
- if (!dev ||
- !ipv6_chk_addr(net, &addr->v6.sin6_addr, dev, 0)) {
+ if (!dev || !(opt->inet.freebind ||
+ net->ipv6.sysctl.ip_nonlocal_bind ||
+ ipv6_chk_addr(net, &addr->v6.sin6_addr,
+ dev, 0))) {
rcu_read_unlock();
return 0;
}
diff --git a/net/sctp/sm_make_chunk.c b/net/sctp/sm_make_chunk.c
index ca8f196b6c6c106386a65c75dccd7bc3451798ff..514465b03829b18c18ae3e890e0899138035bd7a 100644
--- a/net/sctp/sm_make_chunk.c
+++ b/net/sctp/sm_make_chunk.c
@@ -2854,7 +2854,7 @@ struct sctp_chunk *sctp_make_asconf_update_ip(struct sctp_association *asoc,
addr_param_len = af->to_addr_param(addr, &addr_param);
param.param_hdr.type = flags;
param.param_hdr.length = htons(paramlen + addr_param_len);
- param.crr_id = i;
+ param.crr_id = htonl(i);
sctp_addto_chunk(retval, paramlen, ¶m);
sctp_addto_chunk(retval, addr_param_len, &addr_param);
@@ -2867,7 +2867,7 @@ struct sctp_chunk *sctp_make_asconf_update_ip(struct sctp_association *asoc,
addr_param_len = af->to_addr_param(addr, &addr_param);
param.param_hdr.type = SCTP_PARAM_DEL_IP;
param.param_hdr.length = htons(paramlen + addr_param_len);
- param.crr_id = i;
+ param.crr_id = htonl(i);
sctp_addto_chunk(retval, paramlen, ¶m);
sctp_addto_chunk(retval, addr_param_len, &addr_param);
@@ -3591,7 +3591,7 @@ static struct sctp_chunk *sctp_make_reconf(const struct sctp_association *asoc,
*/
struct sctp_chunk *sctp_make_strreset_req(
const struct sctp_association *asoc,
- __u16 stream_num, __u16 *stream_list,
+ __u16 stream_num, __be16 *stream_list,
bool out, bool in)
{
struct sctp_strreset_outreq outreq;
@@ -3788,7 +3788,8 @@ bool sctp_verify_reconf(const struct sctp_association *asoc,
{
struct sctp_reconf_chunk *hdr;
union sctp_params param;
- __u16 last = 0, cnt = 0;
+ __be16 last = 0;
+ __u16 cnt = 0;
hdr = (struct sctp_reconf_chunk *)chunk->chunk_hdr;
sctp_walk_params(param, hdr, params) {
diff --git a/net/sctp/sm_sideeffect.c b/net/sctp/sm_sideeffect.c
index e6a2974e020e1a4232d94e6c2933eebff5f8acb4..e2d9a4b49c9c98061a1c5b358b65ce5285f68de8 100644
--- a/net/sctp/sm_sideeffect.c
+++ b/net/sctp/sm_sideeffect.c
@@ -1607,12 +1607,12 @@ static int sctp_cmd_interpreter(enum sctp_event event_type,
break;
case SCTP_CMD_INIT_FAILED:
- sctp_cmd_init_failed(commands, asoc, cmd->obj.err);
+ sctp_cmd_init_failed(commands, asoc, cmd->obj.u32);
break;
case SCTP_CMD_ASSOC_FAILED:
sctp_cmd_assoc_failed(commands, asoc, event_type,
- subtype, chunk, cmd->obj.err);
+ subtype, chunk, cmd->obj.u32);
break;
case SCTP_CMD_INIT_COUNTER_INC:
@@ -1680,8 +1680,8 @@ static int sctp_cmd_interpreter(enum sctp_event event_type,
case SCTP_CMD_PROCESS_CTSN:
/* Dummy up a SACK for processing. */
sackh.cum_tsn_ack = cmd->obj.be32;
- sackh.a_rwnd = asoc->peer.rwnd +
- asoc->outqueue.outstanding_bytes;
+ sackh.a_rwnd = htonl(asoc->peer.rwnd +
+ asoc->outqueue.outstanding_bytes);
sackh.num_gap_ack_blocks = 0;
sackh.num_dup_tsns = 0;
chunk->subh.sack_hdr = &sackh;
diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index 17841ab30798ecb2d7269296dcda3c62d434d622..6f45d1713452df982a985e1e882c964259ad9e20 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -170,6 +170,36 @@ static inline void sctp_set_owner_w(struct sctp_chunk *chunk)
sk_mem_charge(sk, chunk->skb->truesize);
}
+static void sctp_clear_owner_w(struct sctp_chunk *chunk)
+{
+ skb_orphan(chunk->skb);
+}
+
+static void sctp_for_each_tx_datachunk(struct sctp_association *asoc,
+ void (*cb)(struct sctp_chunk *))
+
+{
+ struct sctp_outq *q = &asoc->outqueue;
+ struct sctp_transport *t;
+ struct sctp_chunk *chunk;
+
+ list_for_each_entry(t, &asoc->peer.transport_addr_list, transports)
+ list_for_each_entry(chunk, &t->transmitted, transmitted_list)
+ cb(chunk);
+
+ list_for_each_entry(chunk, &q->retransmit, list)
+ cb(chunk);
+
+ list_for_each_entry(chunk, &q->sacked, list)
+ cb(chunk);
+
+ list_for_each_entry(chunk, &q->abandoned, list)
+ cb(chunk);
+
+ list_for_each_entry(chunk, &q->out_chunk_list, list)
+ cb(chunk);
+}
+
/* Verify that this is a valid address. */
static inline int sctp_verify_addr(struct sock *sk, union sctp_addr *addr,
int len)
@@ -8212,7 +8242,9 @@ static void sctp_sock_migrate(struct sock *oldsk, struct sock *newsk,
* paths won't try to lock it and then oldsk.
*/
lock_sock_nested(newsk, SINGLE_DEPTH_NESTING);
+ sctp_for_each_tx_datachunk(assoc, sctp_clear_owner_w);
sctp_assoc_migrate(assoc, newsk);
+ sctp_for_each_tx_datachunk(assoc, sctp_set_owner_w);
/* If the association on the newsk is already closed before accept()
* is called, set RCV_SHUTDOWN flag.
diff --git a/net/sctp/stream.c b/net/sctp/stream.c
index 63ea1550371493ec8863627c7a43f46a22f4a4c9..fa8371ff05c43f31a7a0c5947161e08508671bcc 100644
--- a/net/sctp/stream.c
+++ b/net/sctp/stream.c
@@ -118,6 +118,7 @@ int sctp_send_reset_streams(struct sctp_association *asoc,
__u16 i, str_nums, *str_list;
struct sctp_chunk *chunk;
int retval = -EINVAL;
+ __be16 *nstr_list;
bool out, in;
if (!asoc->peer.reconf_capable ||
@@ -148,13 +149,18 @@ int sctp_send_reset_streams(struct sctp_association *asoc,
if (str_list[i] >= stream->incnt)
goto out;
+ nstr_list = kcalloc(str_nums, sizeof(__be16), GFP_KERNEL);
+ if (!nstr_list) {
+ retval = -ENOMEM;
+ goto out;
+ }
+
for (i = 0; i < str_nums; i++)
- str_list[i] = htons(str_list[i]);
+ nstr_list[i] = htons(str_list[i]);
- chunk = sctp_make_strreset_req(asoc, str_nums, str_list, out, in);
+ chunk = sctp_make_strreset_req(asoc, str_nums, nstr_list, out, in);
- for (i = 0; i < str_nums; i++)
- str_list[i] = ntohs(str_list[i]);
+ kfree(nstr_list);
if (!chunk) {
retval = -ENOMEM;
@@ -305,7 +311,7 @@ int sctp_send_add_streams(struct sctp_association *asoc,
}
static struct sctp_paramhdr *sctp_chunk_lookup_strreset_param(
- struct sctp_association *asoc, __u32 resp_seq,
+ struct sctp_association *asoc, __be32 resp_seq,
__be16 type)
{
struct sctp_chunk *chunk = asoc->strreset_chunk;
@@ -345,8 +351,9 @@ struct sctp_chunk *sctp_process_strreset_outreq(
{
struct sctp_strreset_outreq *outreq = param.v;
struct sctp_stream *stream = &asoc->stream;
- __u16 i, nums, flags = 0, *str_p = NULL;
__u32 result = SCTP_STRRESET_DENIED;
+ __u16 i, nums, flags = 0;
+ __be16 *str_p = NULL;
__u32 request_seq;
request_seq = ntohl(outreq->request_seq);
@@ -439,8 +446,9 @@ struct sctp_chunk *sctp_process_strreset_inreq(
struct sctp_stream *stream = &asoc->stream;
__u32 result = SCTP_STRRESET_DENIED;
struct sctp_chunk *chunk = NULL;
- __u16 i, nums, *str_p;
__u32 request_seq;
+ __u16 i, nums;
+ __be16 *str_p;
request_seq = ntohl(inreq->request_seq);
if (TSN_lt(asoc->strreset_inseq, request_seq) ||
@@ -769,7 +777,7 @@ struct sctp_chunk *sctp_process_strreset_resp(
if (req->type == SCTP_PARAM_RESET_OUT_REQUEST) {
struct sctp_strreset_outreq *outreq;
- __u16 *str_p;
+ __be16 *str_p;
outreq = (struct sctp_strreset_outreq *)req;
str_p = outreq->list_of_streams;
@@ -794,7 +802,7 @@ struct sctp_chunk *sctp_process_strreset_resp(
nums, str_p, GFP_ATOMIC);
} else if (req->type == SCTP_PARAM_RESET_IN_REQUEST) {
struct sctp_strreset_inreq *inreq;
- __u16 *str_p;
+ __be16 *str_p;
/* if the result is performed, it's impossible for inreq */
if (result == SCTP_STRRESET_PERFORMED)
diff --git a/net/sctp/ulpevent.c b/net/sctp/ulpevent.c
index 67abc0194f301239fcbf0bd6a1136aeec585e660..5447228bf1a014ad6c95b80355bb1c3827800db7 100644
--- a/net/sctp/ulpevent.c
+++ b/net/sctp/ulpevent.c
@@ -847,7 +847,7 @@ struct sctp_ulpevent *sctp_ulpevent_make_sender_dry_event(
struct sctp_ulpevent *sctp_ulpevent_make_stream_reset_event(
const struct sctp_association *asoc, __u16 flags, __u16 stream_num,
- __u16 *stream_list, gfp_t gfp)
+ __be16 *stream_list, gfp_t gfp)
{
struct sctp_stream_reset_event *sreset;
struct sctp_ulpevent *event;
diff --git a/net/strparser/strparser.c b/net/strparser/strparser.c
index d4ea46a5f233b42d56d2884bf1532ca7d9374a94..c5fda15ba3193f811151043ac3675a2ebfb15c38 100644
--- a/net/strparser/strparser.c
+++ b/net/strparser/strparser.c
@@ -49,7 +49,7 @@ static void strp_abort_strp(struct strparser *strp, int err)
{
/* Unrecoverable error in receive */
- del_timer(&strp->msg_timer);
+ cancel_delayed_work(&strp->msg_timer_work);
if (strp->stopped)
return;
@@ -68,7 +68,7 @@ static void strp_abort_strp(struct strparser *strp, int err)
static void strp_start_timer(struct strparser *strp, long timeo)
{
if (timeo)
- mod_timer(&strp->msg_timer, timeo);
+ mod_delayed_work(strp_wq, &strp->msg_timer_work, timeo);
}
/* Lower lock held */
@@ -319,7 +319,7 @@ static int __strp_recv(read_descriptor_t *desc, struct sk_buff *orig_skb,
eaten += (cand_len - extra);
/* Hurray, we have a new message! */
- del_timer(&strp->msg_timer);
+ cancel_delayed_work(&strp->msg_timer_work);
strp->skb_head = NULL;
STRP_STATS_INCR(strp->stats.msgs);
@@ -450,9 +450,10 @@ static void strp_work(struct work_struct *w)
do_strp_work(container_of(w, struct strparser, work));
}
-static void strp_msg_timeout(unsigned long arg)
+static void strp_msg_timeout(struct work_struct *w)
{
- struct strparser *strp = (struct strparser *)arg;
+ struct strparser *strp = container_of(w, struct strparser,
+ msg_timer_work.work);
/* Message assembly timed out */
STRP_STATS_INCR(strp->stats.msg_timeouts);
@@ -505,9 +506,7 @@ int strp_init(struct strparser *strp, struct sock *sk,
strp->cb.read_sock_done = cb->read_sock_done ? : default_read_sock_done;
strp->cb.abort_parser = cb->abort_parser ? : strp_abort_strp;
- setup_timer(&strp->msg_timer, strp_msg_timeout,
- (unsigned long)strp);
-
+ INIT_DELAYED_WORK(&strp->msg_timer_work, strp_msg_timeout);
INIT_WORK(&strp->work, strp_work);
return 0;
@@ -532,7 +531,7 @@ void strp_done(struct strparser *strp)
{
WARN_ON(!strp->stopped);
- del_timer_sync(&strp->msg_timer);
+ cancel_delayed_work_sync(&strp->msg_timer_work);
cancel_work_sync(&strp->work);
if (strp->skb_head) {
diff --git a/net/unix/diag.c b/net/unix/diag.c
index 4d9679701a6df5113df3e24a1c9b86e2a63b3710..384c84e83462e51d24e469515f4b52f8dcf55877 100644
--- a/net/unix/diag.c
+++ b/net/unix/diag.c
@@ -257,6 +257,8 @@ static int unix_diag_get_exact(struct sk_buff *in_skb,
err = -ENOENT;
if (sk == NULL)
goto out_nosk;
+ if (!net_eq(sock_net(sk), net))
+ goto out;
err = sock_diag_check_cookie(sk, req->udiag_cookie);
if (err)
diff --git a/net/wireless/sme.c b/net/wireless/sme.c
index 0a49b88070d0b2d6a6fbcafe6e8816fded775261..b6533ecbf5b1903510b1bf4318b8dee4c4839896 100644
--- a/net/wireless/sme.c
+++ b/net/wireless/sme.c
@@ -522,11 +522,6 @@ static int cfg80211_sme_connect(struct wireless_dev *wdev,
return -EOPNOTSUPP;
if (wdev->current_bss) {
- if (!prev_bssid)
- return -EALREADY;
- if (prev_bssid &&
- !ether_addr_equal(prev_bssid, wdev->current_bss->pub.bssid))
- return -ENOTCONN;
cfg80211_unhold_bss(wdev->current_bss);
cfg80211_put_bss(wdev->wiphy, &wdev->current_bss->pub);
wdev->current_bss = NULL;
@@ -1063,11 +1058,35 @@ int cfg80211_connect(struct cfg80211_registered_device *rdev,
ASSERT_WDEV_LOCK(wdev);
- if (WARN_ON(wdev->connect_keys)) {
- kzfree(wdev->connect_keys);
- wdev->connect_keys = NULL;
+ /*
+ * If we have an ssid_len, we're trying to connect or are
+ * already connected, so reject a new SSID unless it's the
+ * same (which is the case for re-association.)
+ */
+ if (wdev->ssid_len &&
+ (wdev->ssid_len != connect->ssid_len ||
+ memcmp(wdev->ssid, connect->ssid, wdev->ssid_len)))
+ return -EALREADY;
+
+ /*
+ * If connected, reject (re-)association unless prev_bssid
+ * matches the current BSSID.
+ */
+ if (wdev->current_bss) {
+ if (!prev_bssid)
+ return -EALREADY;
+ if (!ether_addr_equal(prev_bssid, wdev->current_bss->pub.bssid))
+ return -ENOTCONN;
}
+ /*
+ * Reject if we're in the process of connecting with WEP,
+ * this case isn't very interesting and trying to handle
+ * it would make the code much more complex.
+ */
+ if (wdev->connect_keys)
+ return -EINPROGRESS;
+
cfg80211_oper_and_ht_capa(&connect->ht_capa_mask,
rdev->wiphy.ht_capa_mod_mask);
@@ -1118,7 +1137,12 @@ int cfg80211_connect(struct cfg80211_registered_device *rdev,
if (err) {
wdev->connect_keys = NULL;
- wdev->ssid_len = 0;
+ /*
+ * This could be reassoc getting refused, don't clear
+ * ssid_len in that case.
+ */
+ if (!wdev->current_bss)
+ wdev->ssid_len = 0;
return err;
}
@@ -1145,6 +1169,14 @@ int cfg80211_disconnect(struct cfg80211_registered_device *rdev,
else if (wdev->ssid_len)
err = rdev_disconnect(rdev, dev, reason);
+ /*
+ * Clear ssid_len unless we actually were fully connected,
+ * in which case cfg80211_disconnected() will take care of
+ * this later.
+ */
+ if (!wdev->current_bss)
+ wdev->ssid_len = 0;
+
return err;
}
diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c
index f06253969972aa3489e557faf1ef76f54b1eb3d3..2746b62a8944e436d177892153326bb45fc462fa 100644
--- a/net/xfrm/xfrm_policy.c
+++ b/net/xfrm/xfrm_policy.c
@@ -1573,6 +1573,14 @@ static struct dst_entry *xfrm_bundle_create(struct xfrm_policy *policy,
goto put_states;
}
+ if (!dst_prev)
+ dst0 = dst1;
+ else
+ /* Ref count is taken during xfrm_alloc_dst()
+ * No need to do dst_clone() on dst1
+ */
+ dst_prev->child = dst1;
+
if (xfrm[i]->sel.family == AF_UNSPEC) {
inner_mode = xfrm_ip2inner_mode(xfrm[i],
xfrm_af2proto(family));
@@ -1584,14 +1592,6 @@ static struct dst_entry *xfrm_bundle_create(struct xfrm_policy *policy,
} else
inner_mode = xfrm[i]->inner_mode;
- if (!dst_prev)
- dst0 = dst1;
- else
- /* Ref count is taken during xfrm_alloc_dst()
- * No need to do dst_clone() on dst1
- */
- dst_prev->child = dst1;
-
xdst->route = dst;
dst_copy_metrics(dst1, dst);
diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c
index b997f1395357e8696657d3c07b04318b908fff89..e44a0fed48dd088ac95a0726a5f2b58b0f07c5bb 100644
--- a/net/xfrm/xfrm_user.c
+++ b/net/xfrm/xfrm_user.c
@@ -1693,32 +1693,34 @@ static int dump_one_policy(struct xfrm_policy *xp, int dir, int count, void *ptr
static int xfrm_dump_policy_done(struct netlink_callback *cb)
{
- struct xfrm_policy_walk *walk = (struct xfrm_policy_walk *) &cb->args[1];
+ struct xfrm_policy_walk *walk = (struct xfrm_policy_walk *)cb->args;
struct net *net = sock_net(cb->skb->sk);
xfrm_policy_walk_done(walk, net);
return 0;
}
+static int xfrm_dump_policy_start(struct netlink_callback *cb)
+{
+ struct xfrm_policy_walk *walk = (struct xfrm_policy_walk *)cb->args;
+
+ BUILD_BUG_ON(sizeof(*walk) > sizeof(cb->args));
+
+ xfrm_policy_walk_init(walk, XFRM_POLICY_TYPE_ANY);
+ return 0;
+}
+
static int xfrm_dump_policy(struct sk_buff *skb, struct netlink_callback *cb)
{
struct net *net = sock_net(skb->sk);
- struct xfrm_policy_walk *walk = (struct xfrm_policy_walk *) &cb->args[1];
+ struct xfrm_policy_walk *walk = (struct xfrm_policy_walk *)cb->args;
struct xfrm_dump_info info;
- BUILD_BUG_ON(sizeof(struct xfrm_policy_walk) >
- sizeof(cb->args) - sizeof(cb->args[0]));
-
info.in_skb = cb->skb;
info.out_skb = skb;
info.nlmsg_seq = cb->nlh->nlmsg_seq;
info.nlmsg_flags = NLM_F_MULTI;
- if (!cb->args[0]) {
- cb->args[0] = 1;
- xfrm_policy_walk_init(walk, XFRM_POLICY_TYPE_ANY);
- }
-
(void) xfrm_policy_walk(net, walk, dump_one_policy, &info);
return skb->len;
@@ -2474,6 +2476,7 @@ static const struct nla_policy xfrma_spd_policy[XFRMA_SPD_MAX+1] = {
static const struct xfrm_link {
int (*doit)(struct sk_buff *, struct nlmsghdr *, struct nlattr **);
+ int (*start)(struct netlink_callback *);
int (*dump)(struct sk_buff *, struct netlink_callback *);
int (*done)(struct netlink_callback *);
const struct nla_policy *nla_pol;
@@ -2487,6 +2490,7 @@ static const struct xfrm_link {
[XFRM_MSG_NEWPOLICY - XFRM_MSG_BASE] = { .doit = xfrm_add_policy },
[XFRM_MSG_DELPOLICY - XFRM_MSG_BASE] = { .doit = xfrm_get_policy },
[XFRM_MSG_GETPOLICY - XFRM_MSG_BASE] = { .doit = xfrm_get_policy,
+ .start = xfrm_dump_policy_start,
.dump = xfrm_dump_policy,
.done = xfrm_dump_policy_done },
[XFRM_MSG_ALLOCSPI - XFRM_MSG_BASE] = { .doit = xfrm_alloc_userspi },
@@ -2539,6 +2543,7 @@ static int xfrm_user_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh,
{
struct netlink_dump_control c = {
+ .start = link->start,
.dump = link->dump,
.done = link->done,
};
diff --git a/tools/include/uapi/linux/bpf.h b/tools/include/uapi/linux/bpf.h
index 24b35a1fd4d67eebf65e4dc83faaaacca9d2e1fb..c174971afbe657d2523503b94a3a2c960a6cf9e1 100644
--- a/tools/include/uapi/linux/bpf.h
+++ b/tools/include/uapi/linux/bpf.h
@@ -787,8 +787,8 @@ struct xdp_md {
};
enum sk_action {
- SK_ABORTED = 0,
- SK_DROP,
+ SK_DROP = 0,
+ SK_PASS,
SK_REDIRECT,
};
diff --git a/tools/testing/selftests/tc-testing/tc-tests/filters/tests.json b/tools/testing/selftests/tc-testing/tc-tests/filters/tests.json
index c727b96a59b0d009ed93246d0f624ff1bdef045c..5fa02d86b35f6c7b69ca28e8dfc27acdabd1e470 100644
--- a/tools/testing/selftests/tc-testing/tc-tests/filters/tests.json
+++ b/tools/testing/selftests/tc-testing/tc-tests/filters/tests.json
@@ -17,5 +17,26 @@
"teardown": [
"$TC qdisc del dev $DEV1 ingress"
]
+ },
+ {
+ "id": "d052",
+ "name": "Add 1M filters with the same action",
+ "category": [
+ "filter",
+ "flower"
+ ],
+ "setup": [
+ "$TC qdisc add dev $DEV2 ingress",
+ "./tdc_batch.py $DEV2 $BATCH_FILE --share_action -n 1000000"
+ ],
+ "cmdUnderTest": "$TC -b $BATCH_FILE",
+ "expExitCode": "0",
+ "verifyCmd": "$TC actions list action gact",
+ "matchPattern": "action order 0: gact action drop.*index 1 ref 1000000 bind 1000000",
+ "matchCount": "1",
+ "teardown": [
+ "$TC qdisc del dev $DEV2 ingress",
+ "/bin/rm $BATCH_FILE"
+ ]
}
-]
\ No newline at end of file
+]
diff --git a/tools/testing/selftests/tc-testing/tdc.py b/tools/testing/selftests/tc-testing/tdc.py
index cd61b7844c0d48505385103b7fd1a9ded7843677..5f11f5d7456e7c1488a2dabe38a81a5a5f949eea 100755
--- a/tools/testing/selftests/tc-testing/tdc.py
+++ b/tools/testing/selftests/tc-testing/tdc.py
@@ -88,7 +88,7 @@ def prepare_env(cmdlist):
exit(1)
-def test_runner(filtered_tests):
+def test_runner(filtered_tests, args):
"""
Driver function for the unit tests.
@@ -105,6 +105,8 @@ def test_runner(filtered_tests):
for tidx in testlist:
result = True
tresult = ""
+ if "flower" in tidx["category"] and args.device == None:
+ continue
print("Test " + tidx["id"] + ": " + tidx["name"])
prepare_env(tidx["setup"])
(p, procout) = exec_cmd(tidx["cmdUnderTest"])
@@ -152,6 +154,10 @@ def ns_create():
exec_cmd(cmd, False)
cmd = 'ip -s $NS link set $DEV1 up'
exec_cmd(cmd, False)
+ cmd = 'ip link set $DEV2 netns $NS'
+ exec_cmd(cmd, False)
+ cmd = 'ip -s $NS link set $DEV2 up'
+ exec_cmd(cmd, False)
def ns_destroy():
@@ -211,7 +217,8 @@ def set_args(parser):
help='Execute the single test case with specified ID')
parser.add_argument('-i', '--id', action='store_true', dest='gen_id',
help='Generate ID numbers for new test cases')
- return parser
+ parser.add_argument('-d', '--device',
+ help='Execute the test case in flower category')
return parser
@@ -225,6 +232,8 @@ def check_default_settings(args):
if args.path != None:
NAMES['TC'] = args.path
+ if args.device != None:
+ NAMES['DEV2'] = args.device
if not os.path.isfile(NAMES['TC']):
print("The specified tc path " + NAMES['TC'] + " does not exist.")
exit(1)
@@ -381,14 +390,17 @@ def set_operation_mode(args):
if (len(alltests) == 0):
print("Cannot find a test case with ID matching " + target_id)
exit(1)
- catresults = test_runner(alltests)
+ catresults = test_runner(alltests, args)
print("All test results: " + "\n\n" + catresults)
elif (len(target_category) > 0):
+ if (target_category == "flower") and args.device == None:
+ print("Please specify a NIC device (-d) to run category flower")
+ exit(1)
if (target_category not in ucat):
print("Specified category is not present in this file.")
exit(1)
else:
- catresults = test_runner(testcases[target_category])
+ catresults = test_runner(testcases[target_category], args)
print("Category " + target_category + "\n\n" + catresults)
ns_destroy()
diff --git a/tools/testing/selftests/tc-testing/tdc_batch.py b/tools/testing/selftests/tc-testing/tdc_batch.py
new file mode 100755
index 0000000000000000000000000000000000000000..707c6bfef689947e1bd3832db9ab420286dbb59c
--- /dev/null
+++ b/tools/testing/selftests/tc-testing/tdc_batch.py
@@ -0,0 +1,62 @@
+#!/usr/bin/python3
+
+"""
+tdc_batch.py - a script to generate TC batch file
+
+Copyright (C) 2017 Chris Mi <chrism@mellanox.com>
+"""
+
+import argparse
+
+parser = argparse.ArgumentParser(description='TC batch file generator')
+parser.add_argument("device", help="device name")
+parser.add_argument("file", help="batch file name")
+parser.add_argument("-n", "--number", type=int,
+ help="how many lines in batch file")
+parser.add_argument("-o", "--skip_sw",
+ help="skip_sw (offload), by default skip_hw",
+ action="store_true")
+parser.add_argument("-s", "--share_action",
+ help="all filters share the same action",
+ action="store_true")
+parser.add_argument("-p", "--prio",
+ help="all filters have different prio",
+ action="store_true")
+args = parser.parse_args()
+
+device = args.device
+file = open(args.file, 'w')
+
+number = 1
+if args.number:
+ number = args.number
+
+skip = "skip_hw"
+if args.skip_sw:
+ skip = "skip_sw"
+
+share_action = ""
+if args.share_action:
+ share_action = "index 1"
+
+prio = "prio 1"
+if args.prio:
+ prio = ""
+ if number > 0x4000:
+ number = 0x4000
+
+index = 0
+for i in range(0x100):
+ for j in range(0x100):
+ for k in range(0x100):
+ mac = ("%02x:%02x:%02x" % (i, j, k))
+ src_mac = "e4:11:00:" + mac
+ dst_mac = "e4:12:00:" + mac
+ cmd = ("filter add dev %s %s protocol ip parent ffff: flower %s "
+ "src_mac %s dst_mac %s action drop %s" %
+ (device, prio, skip, src_mac, dst_mac, share_action))
+ file.write("%s\n" % cmd)
+ index += 1
+ if index >= number:
+ file.close()
+ exit(0)
diff --git a/tools/testing/selftests/tc-testing/tdc_config.py b/tools/testing/selftests/tc-testing/tdc_config.py
index 01087375a7c38eec335ab518c8dd285c7c0858a1..b6352515c1b5778a6bcd7d40f672be3bb2fbfb11 100644
--- a/tools/testing/selftests/tc-testing/tdc_config.py
+++ b/tools/testing/selftests/tc-testing/tdc_config.py
@@ -12,6 +12,8 @@ NAMES = {
# Name of veth devices to be created for the namespace
'DEV0': 'v0p0',
'DEV1': 'v0p1',
+ 'DEV2': '',
+ 'BATCH_FILE': './batch.txt',
# Name of the namespace to use
'NS': 'tcut'
}