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-rw-r--r--drivers/net/bonding/bond_main.c6
-rw-r--r--drivers/net/caif/caif_spi.c1
-rw-r--r--drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c11
-rw-r--r--drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h19
-rw-r--r--drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c32
-rw-r--r--drivers/net/ethernet/emulex/benet/be.h7
-rw-r--r--drivers/net/ethernet/emulex/benet/be_cmds.c70
-rw-r--r--drivers/net/ethernet/emulex/benet/be_cmds.h13
-rw-r--r--drivers/net/ethernet/emulex/benet/be_ethtool.c3
-rw-r--r--drivers/net/ethernet/emulex/benet/be_main.c121
-rw-r--r--drivers/net/ethernet/freescale/gianfar_ptp.c3
-rw-r--r--drivers/net/ethernet/realtek/r8169.c9
-rw-r--r--drivers/net/ethernet/sfc/mcdi.c2
-rw-r--r--drivers/net/tun.c15
14 files changed, 248 insertions, 64 deletions
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index 532153db1f9c..d0aade04e49a 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -1917,14 +1917,16 @@ err_detach:
bond_detach_slave(bond, new_slave);
if (bond->primary_slave == new_slave)
bond->primary_slave = NULL;
- write_unlock_bh(&bond->lock);
if (bond->curr_active_slave == new_slave) {
+ bond_change_active_slave(bond, NULL);
+ write_unlock_bh(&bond->lock);
read_lock(&bond->lock);
write_lock_bh(&bond->curr_slave_lock);
- bond_change_active_slave(bond, NULL);
bond_select_active_slave(bond);
write_unlock_bh(&bond->curr_slave_lock);
read_unlock(&bond->lock);
+ } else {
+ write_unlock_bh(&bond->lock);
}
slave_disable_netpoll(new_slave);
diff --git a/drivers/net/caif/caif_spi.c b/drivers/net/caif/caif_spi.c
index 2fb279a63c50..155db68e13ba 100644
--- a/drivers/net/caif/caif_spi.c
+++ b/drivers/net/caif/caif_spi.c
@@ -863,6 +863,7 @@ static int __init cfspi_init_module(void)
driver_remove_file(&cfspi_spi_driver.driver,
&driver_attr_up_head_align);
err_create_up_head_align:
+ platform_driver_unregister(&cfspi_spi_driver);
err_dev_register:
return result;
}
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
index 466b512cda4f..b8fbe266ab68 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
@@ -1044,6 +1044,7 @@ static irqreturn_t bnx2x_msix_fp_int(int irq, void *fp_cookie)
DP(NETIF_MSG_INTR,
"got an MSI-X interrupt on IDX:SB [fp %d fw_sd %d igusb %d]\n",
fp->index, fp->fw_sb_id, fp->igu_sb_id);
+
bnx2x_ack_sb(bp, fp->igu_sb_id, USTORM_ID, 0, IGU_INT_DISABLE, 0);
#ifdef BNX2X_STOP_ON_ERROR
@@ -1725,7 +1726,7 @@ static int bnx2x_req_irq(struct bnx2x *bp)
return request_irq(irq, bnx2x_interrupt, flags, bp->dev->name, bp->dev);
}
-static int bnx2x_setup_irqs(struct bnx2x *bp)
+int bnx2x_setup_irqs(struct bnx2x *bp)
{
int rc = 0;
if (bp->flags & USING_MSIX_FLAG &&
@@ -2581,6 +2582,8 @@ int bnx2x_nic_load(struct bnx2x *bp, int load_mode)
}
}
+ bnx2x_pre_irq_nic_init(bp);
+
/* Connect to IRQs */
rc = bnx2x_setup_irqs(bp);
if (rc) {
@@ -2590,11 +2593,11 @@ int bnx2x_nic_load(struct bnx2x *bp, int load_mode)
LOAD_ERROR_EXIT(bp, load_error2);
}
- /* Setup NIC internals and enable interrupts */
- bnx2x_nic_init(bp, load_code);
-
/* Init per-function objects */
if (IS_PF(bp)) {
+ /* Setup NIC internals and enable interrupts */
+ bnx2x_post_irq_nic_init(bp, load_code);
+
bnx2x_init_bp_objs(bp);
bnx2x_iov_nic_init(bp);
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h
index 54e1b149acb3..151675d66b0d 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h
@@ -295,16 +295,29 @@ void bnx2x_int_disable_sync(struct bnx2x *bp, int disable_hw);
void bnx2x_nic_init_cnic(struct bnx2x *bp);
/**
- * bnx2x_nic_init - init driver internals.
+ * bnx2x_preirq_nic_init - init driver internals.
*
* @bp: driver handle
*
* Initializes:
- * - rings
+ * - fastpath object
+ * - fastpath rings
+ * etc.
+ */
+void bnx2x_pre_irq_nic_init(struct bnx2x *bp);
+
+/**
+ * bnx2x_postirq_nic_init - init driver internals.
+ *
+ * @bp: driver handle
+ * @load_code: COMMON, PORT or FUNCTION
+ *
+ * Initializes:
* - status blocks
+ * - slowpath rings
* - etc.
*/
-void bnx2x_nic_init(struct bnx2x *bp, u32 load_code);
+void bnx2x_post_irq_nic_init(struct bnx2x *bp, u32 load_code);
/**
* bnx2x_alloc_mem_cnic - allocate driver's memory for cnic.
*
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
index 91a0434ce1bd..a024eec94be1 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
@@ -6030,10 +6030,11 @@ void bnx2x_nic_init_cnic(struct bnx2x *bp)
mmiowb();
}
-void bnx2x_nic_init(struct bnx2x *bp, u32 load_code)
+void bnx2x_pre_irq_nic_init(struct bnx2x *bp)
{
int i;
+ /* Setup NIC internals and enable interrupts */
for_each_eth_queue(bp, i)
bnx2x_init_eth_fp(bp, i);
@@ -6041,19 +6042,27 @@ void bnx2x_nic_init(struct bnx2x *bp, u32 load_code)
rmb();
bnx2x_init_rx_rings(bp);
bnx2x_init_tx_rings(bp);
+
if (IS_VF(bp)) {
bnx2x_memset_stats(bp);
return;
}
- /* Initialize MOD_ABS interrupts */
- bnx2x_init_mod_abs_int(bp, &bp->link_vars, bp->common.chip_id,
- bp->common.shmem_base, bp->common.shmem2_base,
- BP_PORT(bp));
+ if (IS_PF(bp)) {
+ /* Initialize MOD_ABS interrupts */
+ bnx2x_init_mod_abs_int(bp, &bp->link_vars, bp->common.chip_id,
+ bp->common.shmem_base,
+ bp->common.shmem2_base, BP_PORT(bp));
+
+ /* initialize the default status block and sp ring */
+ bnx2x_init_def_sb(bp);
+ bnx2x_update_dsb_idx(bp);
+ bnx2x_init_sp_ring(bp);
+ }
+}
- bnx2x_init_def_sb(bp);
- bnx2x_update_dsb_idx(bp);
- bnx2x_init_sp_ring(bp);
+void bnx2x_post_irq_nic_init(struct bnx2x *bp, u32 load_code)
+{
bnx2x_init_eq_ring(bp);
bnx2x_init_internal(bp, load_code);
bnx2x_pf_init(bp);
@@ -6071,12 +6080,7 @@ void bnx2x_nic_init(struct bnx2x *bp, u32 load_code)
AEU_INPUTS_ATTN_BITS_SPIO5);
}
-/* end of nic init */
-
-/*
- * gzip service functions
- */
-
+/* gzip service functions */
static int bnx2x_gunzip_init(struct bnx2x *bp)
{
bp->gunzip_buf = dma_alloc_coherent(&bp->pdev->dev, FW_BUF_SIZE,
diff --git a/drivers/net/ethernet/emulex/benet/be.h b/drivers/net/ethernet/emulex/benet/be.h
index 9045903dcda3..234ce6f07544 100644
--- a/drivers/net/ethernet/emulex/benet/be.h
+++ b/drivers/net/ethernet/emulex/benet/be.h
@@ -329,6 +329,7 @@ enum vf_state {
#define BE_FLAGS_WORKER_SCHEDULED (1 << 3)
#define BE_UC_PMAC_COUNT 30
#define BE_VF_UC_PMAC_COUNT 2
+#define BE_FLAGS_QNQ_ASYNC_EVT_RCVD (1 << 11)
struct phy_info {
u8 transceiver;
@@ -436,6 +437,7 @@ struct be_adapter {
bool wol;
u32 uc_macs; /* Count of secondary UC MAC programmed */
u16 asic_rev;
+ u16 qnq_vid;
u32 msg_enable;
int be_get_temp_freq;
u16 max_mcast_mac;
@@ -651,6 +653,11 @@ static inline bool be_is_wol_excluded(struct be_adapter *adapter)
}
}
+static inline int qnq_async_evt_rcvd(struct be_adapter *adapter)
+{
+ return adapter->flags & BE_FLAGS_QNQ_ASYNC_EVT_RCVD;
+}
+
extern void be_cq_notify(struct be_adapter *adapter, u16 qid, bool arm,
u16 num_popped);
extern void be_link_status_update(struct be_adapter *adapter, u8 link_status);
diff --git a/drivers/net/ethernet/emulex/benet/be_cmds.c b/drivers/net/ethernet/emulex/benet/be_cmds.c
index 9080c2775e9f..25d3290b8cac 100644
--- a/drivers/net/ethernet/emulex/benet/be_cmds.c
+++ b/drivers/net/ethernet/emulex/benet/be_cmds.c
@@ -263,6 +263,27 @@ static void be_async_grp5_evt_process(struct be_adapter *adapter,
}
}
+static void be_async_dbg_evt_process(struct be_adapter *adapter,
+ u32 trailer, struct be_mcc_compl *cmp)
+{
+ u8 event_type = 0;
+ struct be_async_event_qnq *evt = (struct be_async_event_qnq *) cmp;
+
+ event_type = (trailer >> ASYNC_TRAILER_EVENT_TYPE_SHIFT) &
+ ASYNC_TRAILER_EVENT_TYPE_MASK;
+
+ switch (event_type) {
+ case ASYNC_DEBUG_EVENT_TYPE_QNQ:
+ if (evt->valid)
+ adapter->qnq_vid = le16_to_cpu(evt->vlan_tag);
+ adapter->flags |= BE_FLAGS_QNQ_ASYNC_EVT_RCVD;
+ break;
+ default:
+ dev_warn(&adapter->pdev->dev, "Unknown debug event\n");
+ break;
+ }
+}
+
static inline bool is_link_state_evt(u32 trailer)
{
return ((trailer >> ASYNC_TRAILER_EVENT_CODE_SHIFT) &
@@ -277,6 +298,13 @@ static inline bool is_grp5_evt(u32 trailer)
ASYNC_EVENT_CODE_GRP_5);
}
+static inline bool is_dbg_evt(u32 trailer)
+{
+ return (((trailer >> ASYNC_TRAILER_EVENT_CODE_SHIFT) &
+ ASYNC_TRAILER_EVENT_CODE_MASK) ==
+ ASYNC_EVENT_CODE_QNQ);
+}
+
static struct be_mcc_compl *be_mcc_compl_get(struct be_adapter *adapter)
{
struct be_queue_info *mcc_cq = &adapter->mcc_obj.cq;
@@ -325,6 +353,9 @@ int be_process_mcc(struct be_adapter *adapter)
else if (is_grp5_evt(compl->flags))
be_async_grp5_evt_process(adapter,
compl->flags, compl);
+ else if (is_dbg_evt(compl->flags))
+ be_async_dbg_evt_process(adapter,
+ compl->flags, compl);
} else if (compl->flags & CQE_FLAGS_COMPLETED_MASK) {
status = be_mcc_compl_process(adapter, compl);
atomic_dec(&mcc_obj->q.used);
@@ -1020,6 +1051,7 @@ int be_cmd_mccq_ext_create(struct be_adapter *adapter,
/* Subscribe to Link State and Group 5 Events(bits 1 and 5 set) */
req->async_event_bitmap[0] = cpu_to_le32(0x00000022);
+ req->async_event_bitmap[0] |= cpu_to_le32(1 << ASYNC_EVENT_CODE_QNQ);
be_dws_cpu_to_le(ctxt, sizeof(req->context));
be_cmd_page_addrs_prepare(req->pages, ARRAY_SIZE(req->pages), q_mem);
@@ -2457,6 +2489,9 @@ int be_cmd_get_cntl_attributes(struct be_adapter *adapter)
struct mgmt_controller_attrib *attribs;
struct be_dma_mem attribs_cmd;
+ if (mutex_lock_interruptible(&adapter->mbox_lock))
+ return -1;
+
memset(&attribs_cmd, 0, sizeof(struct be_dma_mem));
attribs_cmd.size = sizeof(struct be_cmd_resp_cntl_attribs);
attribs_cmd.va = pci_alloc_consistent(adapter->pdev, attribs_cmd.size,
@@ -2464,12 +2499,10 @@ int be_cmd_get_cntl_attributes(struct be_adapter *adapter)
if (!attribs_cmd.va) {
dev_err(&adapter->pdev->dev,
"Memory allocation failure\n");
- return -ENOMEM;
+ status = -ENOMEM;
+ goto err;
}
- if (mutex_lock_interruptible(&adapter->mbox_lock))
- return -1;
-
wrb = wrb_from_mbox(adapter);
if (!wrb) {
status = -EBUSY;
@@ -2489,8 +2522,9 @@ int be_cmd_get_cntl_attributes(struct be_adapter *adapter)
err:
mutex_unlock(&adapter->mbox_lock);
- pci_free_consistent(adapter->pdev, attribs_cmd.size, attribs_cmd.va,
- attribs_cmd.dma);
+ if (attribs_cmd.va)
+ pci_free_consistent(adapter->pdev, attribs_cmd.size,
+ attribs_cmd.va, attribs_cmd.dma);
return status;
}
@@ -2788,6 +2822,9 @@ int be_cmd_get_acpi_wol_cap(struct be_adapter *adapter)
CMD_SUBSYSTEM_ETH))
return -EPERM;
+ if (mutex_lock_interruptible(&adapter->mbox_lock))
+ return -1;
+
memset(&cmd, 0, sizeof(struct be_dma_mem));
cmd.size = sizeof(struct be_cmd_resp_acpi_wol_magic_config_v1);
cmd.va = pci_alloc_consistent(adapter->pdev, cmd.size,
@@ -2795,12 +2832,10 @@ int be_cmd_get_acpi_wol_cap(struct be_adapter *adapter)
if (!cmd.va) {
dev_err(&adapter->pdev->dev,
"Memory allocation failure\n");
- return -ENOMEM;
+ status = -ENOMEM;
+ goto err;
}
- if (mutex_lock_interruptible(&adapter->mbox_lock))
- return -1;
-
wrb = wrb_from_mbox(adapter);
if (!wrb) {
status = -EBUSY;
@@ -2831,7 +2866,8 @@ int be_cmd_get_acpi_wol_cap(struct be_adapter *adapter)
}
err:
mutex_unlock(&adapter->mbox_lock);
- pci_free_consistent(adapter->pdev, cmd.size, cmd.va, cmd.dma);
+ if (cmd.va)
+ pci_free_consistent(adapter->pdev, cmd.size, cmd.va, cmd.dma);
return status;
}
@@ -2964,16 +3000,18 @@ int be_cmd_get_func_config(struct be_adapter *adapter)
int status;
struct be_dma_mem cmd;
+ if (mutex_lock_interruptible(&adapter->mbox_lock))
+ return -1;
+
memset(&cmd, 0, sizeof(struct be_dma_mem));
cmd.size = sizeof(struct be_cmd_resp_get_func_config);
cmd.va = pci_alloc_consistent(adapter->pdev, cmd.size,
&cmd.dma);
if (!cmd.va) {
dev_err(&adapter->pdev->dev, "Memory alloc failure\n");
- return -ENOMEM;
+ status = -ENOMEM;
+ goto err;
}
- if (mutex_lock_interruptible(&adapter->mbox_lock))
- return -1;
wrb = wrb_from_mbox(adapter);
if (!wrb) {
@@ -3016,8 +3054,8 @@ int be_cmd_get_func_config(struct be_adapter *adapter)
}
err:
mutex_unlock(&adapter->mbox_lock);
- pci_free_consistent(adapter->pdev, cmd.size,
- cmd.va, cmd.dma);
+ if (cmd.va)
+ pci_free_consistent(adapter->pdev, cmd.size, cmd.va, cmd.dma);
return status;
}
diff --git a/drivers/net/ethernet/emulex/benet/be_cmds.h b/drivers/net/ethernet/emulex/benet/be_cmds.h
index 1b01e9b32794..a855668e0cc5 100644
--- a/drivers/net/ethernet/emulex/benet/be_cmds.h
+++ b/drivers/net/ethernet/emulex/benet/be_cmds.h
@@ -84,6 +84,9 @@ struct be_mcc_compl {
#define ASYNC_EVENT_QOS_SPEED 0x1
#define ASYNC_EVENT_COS_PRIORITY 0x2
#define ASYNC_EVENT_PVID_STATE 0x3
+#define ASYNC_EVENT_CODE_QNQ 0x6
+#define ASYNC_DEBUG_EVENT_TYPE_QNQ 1
+
struct be_async_event_trailer {
u32 code;
};
@@ -144,6 +147,16 @@ struct be_async_event_grp5_pvid_state {
struct be_async_event_trailer trailer;
} __packed;
+/* async event indicating outer VLAN tag in QnQ */
+struct be_async_event_qnq {
+ u8 valid; /* Indicates if outer VLAN is valid */
+ u8 rsvd0;
+ u16 vlan_tag;
+ u32 event_tag;
+ u8 rsvd1[4];
+ struct be_async_event_trailer trailer;
+} __packed;
+
struct be_mcc_mailbox {
struct be_mcc_wrb wrb;
struct be_mcc_compl compl;
diff --git a/drivers/net/ethernet/emulex/benet/be_ethtool.c b/drivers/net/ethernet/emulex/benet/be_ethtool.c
index ec3050b3133e..5733cde88e2c 100644
--- a/drivers/net/ethernet/emulex/benet/be_ethtool.c
+++ b/drivers/net/ethernet/emulex/benet/be_ethtool.c
@@ -680,7 +680,8 @@ be_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
if (be_is_wol_supported(adapter)) {
wol->supported |= WAKE_MAGIC;
- wol->wolopts |= WAKE_MAGIC;
+ if (adapter->wol)
+ wol->wolopts |= WAKE_MAGIC;
} else
wol->wolopts = 0;
memset(&wol->sopass, 0, sizeof(wol->sopass));
diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c
index 1c734915933f..4babc8a4a543 100644
--- a/drivers/net/ethernet/emulex/benet/be_main.c
+++ b/drivers/net/ethernet/emulex/benet/be_main.c
@@ -639,13 +639,8 @@ static inline u16 be_get_tx_vlan_tag(struct be_adapter *adapter,
return vlan_tag;
}
-static int be_vlan_tag_chk(struct be_adapter *adapter, struct sk_buff *skb)
-{
- return vlan_tx_tag_present(skb) || adapter->pvid;
-}
-
static void wrb_fill_hdr(struct be_adapter *adapter, struct be_eth_hdr_wrb *hdr,
- struct sk_buff *skb, u32 wrb_cnt, u32 len)
+ struct sk_buff *skb, u32 wrb_cnt, u32 len, bool skip_hw_vlan)
{
u16 vlan_tag;
@@ -672,8 +667,9 @@ static void wrb_fill_hdr(struct be_adapter *adapter, struct be_eth_hdr_wrb *hdr,
AMAP_SET_BITS(struct amap_eth_hdr_wrb, vlan_tag, hdr, vlan_tag);
}
+ /* To skip HW VLAN tagging: evt = 1, compl = 0 */
+ AMAP_SET_BITS(struct amap_eth_hdr_wrb, complete, hdr, !skip_hw_vlan);
AMAP_SET_BITS(struct amap_eth_hdr_wrb, event, hdr, 1);
- AMAP_SET_BITS(struct amap_eth_hdr_wrb, complete, hdr, 1);
AMAP_SET_BITS(struct amap_eth_hdr_wrb, num_wrb, hdr, wrb_cnt);
AMAP_SET_BITS(struct amap_eth_hdr_wrb, len, hdr, len);
}
@@ -696,7 +692,8 @@ static void unmap_tx_frag(struct device *dev, struct be_eth_wrb *wrb,
}
static int make_tx_wrbs(struct be_adapter *adapter, struct be_queue_info *txq,
- struct sk_buff *skb, u32 wrb_cnt, bool dummy_wrb)
+ struct sk_buff *skb, u32 wrb_cnt, bool dummy_wrb,
+ bool skip_hw_vlan)
{
dma_addr_t busaddr;
int i, copied = 0;
@@ -745,7 +742,7 @@ static int make_tx_wrbs(struct be_adapter *adapter, struct be_queue_info *txq,
queue_head_inc(txq);
}
- wrb_fill_hdr(adapter, hdr, first_skb, wrb_cnt, copied);
+ wrb_fill_hdr(adapter, hdr, first_skb, wrb_cnt, copied, skip_hw_vlan);
be_dws_cpu_to_le(hdr, sizeof(*hdr));
return copied;
@@ -762,7 +759,8 @@ dma_err:
}
static struct sk_buff *be_insert_vlan_in_pkt(struct be_adapter *adapter,
- struct sk_buff *skb)
+ struct sk_buff *skb,
+ bool *skip_hw_vlan)
{
u16 vlan_tag = 0;
@@ -777,9 +775,67 @@ static struct sk_buff *be_insert_vlan_in_pkt(struct be_adapter *adapter,
skb->vlan_tci = 0;
}
+ if (qnq_async_evt_rcvd(adapter) && adapter->pvid) {
+ if (!vlan_tag)
+ vlan_tag = adapter->pvid;
+ if (skip_hw_vlan)
+ *skip_hw_vlan = true;
+ }
+
+ if (vlan_tag) {
+ skb = __vlan_put_tag(skb, htons(ETH_P_8021Q), vlan_tag);
+ if (unlikely(!skb))
+ return skb;
+
+ skb->vlan_tci = 0;
+ }
+
+ /* Insert the outer VLAN, if any */
+ if (adapter->qnq_vid) {
+ vlan_tag = adapter->qnq_vid;
+ skb = __vlan_put_tag(skb, htons(ETH_P_8021Q), vlan_tag);
+ if (unlikely(!skb))
+ return skb;
+ if (skip_hw_vlan)
+ *skip_hw_vlan = true;
+ }
+
return skb;
}
+static bool be_ipv6_exthdr_check(struct sk_buff *skb)
+{
+ struct ethhdr *eh = (struct ethhdr *)skb->data;
+ u16 offset = ETH_HLEN;
+
+ if (eh->h_proto == htons(ETH_P_IPV6)) {
+ struct ipv6hdr *ip6h = (struct ipv6hdr *)(skb->data + offset);
+
+ offset += sizeof(struct ipv6hdr);
+ if (ip6h->nexthdr != NEXTHDR_TCP &&
+ ip6h->nexthdr != NEXTHDR_UDP) {
+ struct ipv6_opt_hdr *ehdr =
+ (struct ipv6_opt_hdr *) (skb->data + offset);
+
+ /* offending pkt: 2nd byte following IPv6 hdr is 0xff */
+ if (ehdr->hdrlen == 0xff)
+ return true;
+ }
+ }
+ return false;
+}
+
+static int be_vlan_tag_tx_chk(struct be_adapter *adapter, struct sk_buff *skb)
+{
+ return vlan_tx_tag_present(skb) || adapter->pvid || adapter->qnq_vid;
+}
+
+static int be_ipv6_tx_stall_chk(struct be_adapter *adapter, struct sk_buff *skb)
+{
+ return BE3_chip(adapter) &&
+ be_ipv6_exthdr_check(skb);
+}
+
static netdev_tx_t be_xmit(struct sk_buff *skb,
struct net_device *netdev)
{
@@ -790,33 +846,64 @@ static netdev_tx_t be_xmit(struct sk_buff *skb,
u32 wrb_cnt = 0, copied = 0;
u32 start = txq->head, eth_hdr_len;
bool dummy_wrb, stopped = false;
+ bool skip_hw_vlan = false;
+ struct vlan_ethhdr *veh = (struct vlan_ethhdr *)skb->data;
eth_hdr_len = ntohs(skb->protocol) == ETH_P_8021Q ?
VLAN_ETH_HLEN : ETH_HLEN;
- /* HW has a bug which considers padding bytes as legal
- * and modifies the IPv4 hdr's 'tot_len' field
+ /* For padded packets, BE HW modifies tot_len field in IP header
+ * incorrecly when VLAN tag is inserted by HW.
*/
- if (skb->len <= 60 && be_vlan_tag_chk(adapter, skb) &&
- is_ipv4_pkt(skb)) {
+ if (skb->len <= 60 && vlan_tx_tag_present(skb) && is_ipv4_pkt(skb)) {
ip = (struct iphdr *)ip_hdr(skb);
pskb_trim(skb, eth_hdr_len + ntohs(ip->tot_len));
}
+ /* If vlan tag is already inlined in the packet, skip HW VLAN
+ * tagging in UMC mode
+ */
+ if ((adapter->function_mode & UMC_ENABLED) &&
+ veh->h_vlan_proto == htons(ETH_P_8021Q))
+ skip_hw_vlan = true;
+
/* HW has a bug wherein it will calculate CSUM for VLAN
* pkts even though it is disabled.
* Manually insert VLAN in pkt.
*/
if (skb->ip_summed != CHECKSUM_PARTIAL &&
- be_vlan_tag_chk(adapter, skb)) {
- skb = be_insert_vlan_in_pkt(adapter, skb);
+ vlan_tx_tag_present(skb)) {
+ skb = be_insert_vlan_in_pkt(adapter, skb, &skip_hw_vlan);
+ if (unlikely(!skb))
+ goto tx_drop;
+ }
+
+ /* HW may lockup when VLAN HW tagging is requested on
+ * certain ipv6 packets. Drop such pkts if the HW workaround to
+ * skip HW tagging is not enabled by FW.
+ */
+ if (unlikely(be_ipv6_tx_stall_chk(adapter, skb) &&
+ (adapter->pvid || adapter->qnq_vid) &&
+ !qnq_async_evt_rcvd(adapter)))
+ goto tx_drop;
+
+ /* Manual VLAN tag insertion to prevent:
+ * ASIC lockup when the ASIC inserts VLAN tag into
+ * certain ipv6 packets. Insert VLAN tags in driver,
+ * and set event, completion, vlan bits accordingly
+ * in the Tx WRB.
+ */
+ if (be_ipv6_tx_stall_chk(adapter, skb) &&
+ be_vlan_tag_tx_chk(adapter, skb)) {
+ skb = be_insert_vlan_in_pkt(adapter, skb, &skip_hw_vlan);
if (unlikely(!skb))
goto tx_drop;
}
wrb_cnt = wrb_cnt_for_skb(adapter, skb, &dummy_wrb);
- copied = make_tx_wrbs(adapter, txq, skb, wrb_cnt, dummy_wrb);
+ copied = make_tx_wrbs(adapter, txq, skb, wrb_cnt, dummy_wrb,
+ skip_hw_vlan);
if (copied) {
int gso_segs = skb_shinfo(skb)->gso_segs;
diff --git a/drivers/net/ethernet/freescale/gianfar_ptp.c b/drivers/net/ethernet/freescale/gianfar_ptp.c
index fe8e9e5cfb2b..576e4b858fce 100644
--- a/drivers/net/ethernet/freescale/gianfar_ptp.c
+++ b/drivers/net/ethernet/freescale/gianfar_ptp.c
@@ -130,7 +130,6 @@ struct gianfar_ptp_registers {
#define DRIVER "gianfar_ptp"
#define DEFAULT_CKSEL 1
-#define N_ALARM 1 /* first alarm is used internally to reset fipers */
#define N_EXT_TS 2
#define REG_SIZE sizeof(struct gianfar_ptp_registers)
@@ -413,7 +412,7 @@ static struct ptp_clock_info ptp_gianfar_caps = {
.owner = THIS_MODULE,
.name = "gianfar clock",
.max_adj = 512000,
- .n_alarm = N_ALARM,
+ .n_alarm = 0,
.n_ext_ts = N_EXT_TS,
.n_per_out = 0,
.pps = 1,
diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c
index c6dac38fd9cc..79c520b64fdd 100644
--- a/drivers/net/ethernet/realtek/r8169.c
+++ b/drivers/net/ethernet/realtek/r8169.c
@@ -5896,6 +5896,14 @@ static netdev_tx_t rtl8169_start_xmit(struct sk_buff *skb,
goto err_stop_0;
}
+ /* 8168evl does not automatically pad to minimum length. */
+ if (unlikely(tp->mac_version == RTL_GIGA_MAC_VER_34 &&
+ skb->len < ETH_ZLEN)) {
+ if (skb_padto(skb, ETH_ZLEN))
+ goto err_update_stats;
+ skb_put(skb, ETH_ZLEN - skb->len);
+ }
+
if (unlikely(le32_to_cpu(txd->opts1) & DescOwn))
goto err_stop_0;
@@ -5967,6 +5975,7 @@ err_dma_1:
rtl8169_unmap_tx_skb(d, tp->tx_skb + entry, txd);
err_dma_0:
dev_kfree_skb(skb);
+err_update_stats:
dev->stats.tx_dropped++;
return NETDEV_TX_OK;
diff --git a/drivers/net/ethernet/sfc/mcdi.c b/drivers/net/ethernet/sfc/mcdi.c
index 0095ce95150b..97dd8f18c001 100644
--- a/drivers/net/ethernet/sfc/mcdi.c
+++ b/drivers/net/ethernet/sfc/mcdi.c
@@ -667,7 +667,7 @@ fail:
int efx_mcdi_get_board_cfg(struct efx_nic *efx, u8 *mac_address,
u16 *fw_subtype_list, u32 *capabilities)
{
- uint8_t outbuf[MC_CMD_GET_BOARD_CFG_OUT_LENMIN];
+ uint8_t outbuf[MC_CMD_GET_BOARD_CFG_OUT_LENMAX];
size_t outlen, offset, i;
int port_num = efx_port_num(efx);
int rc;
diff --git a/drivers/net/tun.c b/drivers/net/tun.c
index 66109a2ad886..f042b0373e5d 100644
--- a/drivers/net/tun.c
+++ b/drivers/net/tun.c
@@ -1471,14 +1471,17 @@ static int tun_recvmsg(struct kiocb *iocb, struct socket *sock,
if (!tun)
return -EBADFD;
- if (flags & ~(MSG_DONTWAIT|MSG_TRUNC))
- return -EINVAL;
+ if (flags & ~(MSG_DONTWAIT|MSG_TRUNC)) {
+ ret = -EINVAL;
+ goto out;
+ }
ret = tun_do_read(tun, tfile, iocb, m->msg_iov, total_len,
flags & MSG_DONTWAIT);
if (ret > total_len) {
m->msg_flags |= MSG_TRUNC;
ret = flags & MSG_TRUNC ? ret : total_len;
}
+out:
tun_put(tun);
return ret;
}
@@ -1593,8 +1596,12 @@ static int tun_set_iff(struct net *net, struct file *file, struct ifreq *ifr)
return err;
if (tun->flags & TUN_TAP_MQ &&
- (tun->numqueues + tun->numdisabled > 1))
- return -EBUSY;
+ (tun->numqueues + tun->numdisabled > 1)) {
+ /* One or more queue has already been attached, no need
+ * to initialize the device again.
+ */
+ return 0;
+ }
}
else {
char *name;
generated by cgit v1.2.3 (git 2.39.0) at 2024-11-24 23:29:30 +0300