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-rw-r--r--drivers/net/ethernet/amd/xgbe/xgbe-pci.c2
-rw-r--r--drivers/net/ethernet/aquantia/atlantic/aq_pci_func.c14
-rw-r--r--drivers/net/ethernet/freescale/gianfar.c23
-rw-r--r--drivers/net/ethernet/ibm/ibmvnic.c7
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/diag/fs_tracepoint.c8
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en_main.c14
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en_rx.c49
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en_selftest.c3
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en_tc.c3
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en_tx.c2
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/eswitch.c8
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/fs_core.c13
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/lib/clock.c1
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/main.c2
-rw-r--r--drivers/net/ethernet/smsc/Kconfig2
-rw-r--r--drivers/net/macvlan.c2
-rw-r--r--drivers/net/usb/smsc75xx.c7
-rw-r--r--drivers/net/virtio_net.c58
-rw-r--r--drivers/net/wireless/mac80211_hwsim.c2
19 files changed, 136 insertions, 84 deletions
diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-pci.c b/drivers/net/ethernet/amd/xgbe/xgbe-pci.c
index 3e5833cf1fab..eb23f9ba1a9a 100644
--- a/drivers/net/ethernet/amd/xgbe/xgbe-pci.c
+++ b/drivers/net/ethernet/amd/xgbe/xgbe-pci.c
@@ -426,6 +426,8 @@ static int xgbe_pci_resume(struct pci_dev *pdev)
struct net_device *netdev = pdata->netdev;
int ret = 0;
+ XP_IOWRITE(pdata, XP_INT_EN, 0x1fffff);
+
pdata->lpm_ctrl &= ~MDIO_CTRL1_LPOWER;
XMDIO_WRITE(pdata, MDIO_MMD_PCS, MDIO_CTRL1, pdata->lpm_ctrl);
diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_pci_func.c b/drivers/net/ethernet/aquantia/atlantic/aq_pci_func.c
index 22889fc158f2..87c4308b52a7 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_pci_func.c
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_pci_func.c
@@ -226,6 +226,10 @@ static int aq_pci_probe(struct pci_dev *pdev,
goto err_ioremap;
self->aq_hw = kzalloc(sizeof(*self->aq_hw), GFP_KERNEL);
+ if (!self->aq_hw) {
+ err = -ENOMEM;
+ goto err_ioremap;
+ }
self->aq_hw->aq_nic_cfg = aq_nic_get_cfg(self);
for (bar = 0; bar < 4; ++bar) {
@@ -235,19 +239,19 @@ static int aq_pci_probe(struct pci_dev *pdev,
mmio_pa = pci_resource_start(pdev, bar);
if (mmio_pa == 0U) {
err = -EIO;
- goto err_ioremap;
+ goto err_free_aq_hw;
}
reg_sz = pci_resource_len(pdev, bar);
if ((reg_sz <= 24 /*ATL_REGS_SIZE*/)) {
err = -EIO;
- goto err_ioremap;
+ goto err_free_aq_hw;
}
self->aq_hw->mmio = ioremap_nocache(mmio_pa, reg_sz);
if (!self->aq_hw->mmio) {
err = -EIO;
- goto err_ioremap;
+ goto err_free_aq_hw;
}
break;
}
@@ -255,7 +259,7 @@ static int aq_pci_probe(struct pci_dev *pdev,
if (bar == 4) {
err = -EIO;
- goto err_ioremap;
+ goto err_free_aq_hw;
}
numvecs = min((u8)AQ_CFG_VECS_DEF,
@@ -290,6 +294,8 @@ err_register:
aq_pci_free_irq_vectors(self);
err_hwinit:
iounmap(self->aq_hw->mmio);
+err_free_aq_hw:
+ kfree(self->aq_hw);
err_ioremap:
free_netdev(ndev);
err_pci_func:
diff --git a/drivers/net/ethernet/freescale/gianfar.c b/drivers/net/ethernet/freescale/gianfar.c
index 3bdeb295514b..f5c87bd35fa1 100644
--- a/drivers/net/ethernet/freescale/gianfar.c
+++ b/drivers/net/ethernet/freescale/gianfar.c
@@ -2934,29 +2934,17 @@ static bool gfar_add_rx_frag(struct gfar_rx_buff *rxb, u32 lstatus,
{
int size = lstatus & BD_LENGTH_MASK;
struct page *page = rxb->page;
- bool last = !!(lstatus & BD_LFLAG(RXBD_LAST));
-
- /* Remove the FCS from the packet length */
- if (last)
- size -= ETH_FCS_LEN;
if (likely(first)) {
skb_put(skb, size);
} else {
/* the last fragments' length contains the full frame length */
- if (last)
+ if (lstatus & BD_LFLAG(RXBD_LAST))
size -= skb->len;
- /* Add the last fragment if it contains something other than
- * the FCS, otherwise drop it and trim off any part of the FCS
- * that was already received.
- */
- if (size > 0)
- skb_add_rx_frag(skb, skb_shinfo(skb)->nr_frags, page,
- rxb->page_offset + RXBUF_ALIGNMENT,
- size, GFAR_RXB_TRUESIZE);
- else if (size < 0)
- pskb_trim(skb, skb->len + size);
+ skb_add_rx_frag(skb, skb_shinfo(skb)->nr_frags, page,
+ rxb->page_offset + RXBUF_ALIGNMENT,
+ size, GFAR_RXB_TRUESIZE);
}
/* try reuse page */
@@ -3069,6 +3057,9 @@ static void gfar_process_frame(struct net_device *ndev, struct sk_buff *skb)
if (priv->padding)
skb_pull(skb, priv->padding);
+ /* Trim off the FCS */
+ pskb_trim(skb, skb->len - ETH_FCS_LEN);
+
if (ndev->features & NETIF_F_RXCSUM)
gfar_rx_checksum(skb, fcb);
diff --git a/drivers/net/ethernet/ibm/ibmvnic.c b/drivers/net/ethernet/ibm/ibmvnic.c
index 996f47568f9e..1b3cc8bb0705 100644
--- a/drivers/net/ethernet/ibm/ibmvnic.c
+++ b/drivers/net/ethernet/ibm/ibmvnic.c
@@ -1901,6 +1901,11 @@ restart_poll:
dev_kfree_skb_any(rx_buff->skb);
remove_buff_from_pool(adapter, rx_buff);
continue;
+ } else if (!rx_buff->skb) {
+ /* free the entry */
+ next->rx_comp.first = 0;
+ remove_buff_from_pool(adapter, rx_buff);
+ continue;
}
length = be32_to_cpu(next->rx_comp.len);
@@ -3755,7 +3760,6 @@ static int handle_login_rsp(union ibmvnic_crq *login_rsp_crq,
dma_unmap_single(dev, adapter->login_buf_token, adapter->login_buf_sz,
DMA_BIDIRECTIONAL);
- release_login_buffer(adapter);
dma_unmap_single(dev, adapter->login_rsp_buf_token,
adapter->login_rsp_buf_sz, DMA_BIDIRECTIONAL);
@@ -3786,6 +3790,7 @@ static int handle_login_rsp(union ibmvnic_crq *login_rsp_crq,
ibmvnic_remove(adapter->vdev);
return -EIO;
}
+ release_login_buffer(adapter);
complete(&adapter->init_done);
return 0;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/diag/fs_tracepoint.c b/drivers/net/ethernet/mellanox/mlx5/core/diag/fs_tracepoint.c
index 0be4575b58a2..fd509160c8f6 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/diag/fs_tracepoint.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/diag/fs_tracepoint.c
@@ -96,10 +96,10 @@ static void print_lyr_2_4_hdrs(struct trace_seq *p,
"%pI4");
} else if (ethertype.v == ETH_P_IPV6) {
static const struct in6_addr full_ones = {
- .in6_u.u6_addr32 = {htonl(0xffffffff),
- htonl(0xffffffff),
- htonl(0xffffffff),
- htonl(0xffffffff)},
+ .in6_u.u6_addr32 = {__constant_htonl(0xffffffff),
+ __constant_htonl(0xffffffff),
+ __constant_htonl(0xffffffff),
+ __constant_htonl(0xffffffff)},
};
DECLARE_MASK_VAL(struct in6_addr, src_ipv6);
DECLARE_MASK_VAL(struct in6_addr, dst_ipv6);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
index 47bab842c5ee..da94c8cba5ee 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
@@ -1768,13 +1768,16 @@ static void mlx5e_build_rq_param(struct mlx5e_priv *priv,
param->wq.linear = 1;
}
-static void mlx5e_build_drop_rq_param(struct mlx5e_rq_param *param)
+static void mlx5e_build_drop_rq_param(struct mlx5_core_dev *mdev,
+ struct mlx5e_rq_param *param)
{
void *rqc = param->rqc;
void *wq = MLX5_ADDR_OF(rqc, rqc, wq);
MLX5_SET(wq, wq, wq_type, MLX5_WQ_TYPE_LINKED_LIST);
MLX5_SET(wq, wq, log_wq_stride, ilog2(sizeof(struct mlx5e_rx_wqe)));
+
+ param->wq.buf_numa_node = dev_to_node(&mdev->pdev->dev);
}
static void mlx5e_build_sq_param_common(struct mlx5e_priv *priv,
@@ -2634,6 +2637,9 @@ static int mlx5e_alloc_drop_cq(struct mlx5_core_dev *mdev,
struct mlx5e_cq *cq,
struct mlx5e_cq_param *param)
{
+ param->wq.buf_numa_node = dev_to_node(&mdev->pdev->dev);
+ param->wq.db_numa_node = dev_to_node(&mdev->pdev->dev);
+
return mlx5e_alloc_cq_common(mdev, param, cq);
}
@@ -2645,7 +2651,7 @@ static int mlx5e_open_drop_rq(struct mlx5_core_dev *mdev,
struct mlx5e_cq *cq = &drop_rq->cq;
int err;
- mlx5e_build_drop_rq_param(&rq_param);
+ mlx5e_build_drop_rq_param(mdev, &rq_param);
err = mlx5e_alloc_drop_cq(mdev, cq, &cq_param);
if (err)
@@ -2994,8 +3000,8 @@ static int mlx5e_setup_tc_block(struct net_device *dev,
}
#endif
-int mlx5e_setup_tc(struct net_device *dev, enum tc_setup_type type,
- void *type_data)
+static int mlx5e_setup_tc(struct net_device *dev, enum tc_setup_type type,
+ void *type_data)
{
switch (type) {
#ifdef CONFIG_MLX5_ESWITCH
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
index 0d4bb0688faa..e5c3ab46a24a 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
@@ -36,6 +36,7 @@
#include <linux/tcp.h>
#include <linux/bpf_trace.h>
#include <net/busy_poll.h>
+#include <net/ip6_checksum.h>
#include "en.h"
#include "en_tc.h"
#include "eswitch.h"
@@ -546,20 +547,33 @@ bool mlx5e_post_rx_mpwqes(struct mlx5e_rq *rq)
return true;
}
+static void mlx5e_lro_update_tcp_hdr(struct mlx5_cqe64 *cqe, struct tcphdr *tcp)
+{
+ u8 l4_hdr_type = get_cqe_l4_hdr_type(cqe);
+ u8 tcp_ack = (l4_hdr_type == CQE_L4_HDR_TYPE_TCP_ACK_NO_DATA) ||
+ (l4_hdr_type == CQE_L4_HDR_TYPE_TCP_ACK_AND_DATA);
+
+ tcp->check = 0;
+ tcp->psh = get_cqe_lro_tcppsh(cqe);
+
+ if (tcp_ack) {
+ tcp->ack = 1;
+ tcp->ack_seq = cqe->lro_ack_seq_num;
+ tcp->window = cqe->lro_tcp_win;
+ }
+}
+
static void mlx5e_lro_update_hdr(struct sk_buff *skb, struct mlx5_cqe64 *cqe,
u32 cqe_bcnt)
{
struct ethhdr *eth = (struct ethhdr *)(skb->data);
struct tcphdr *tcp;
int network_depth = 0;
+ __wsum check;
__be16 proto;
u16 tot_len;
void *ip_p;
- u8 l4_hdr_type = get_cqe_l4_hdr_type(cqe);
- u8 tcp_ack = (l4_hdr_type == CQE_L4_HDR_TYPE_TCP_ACK_NO_DATA) ||
- (l4_hdr_type == CQE_L4_HDR_TYPE_TCP_ACK_AND_DATA);
-
proto = __vlan_get_protocol(skb, eth->h_proto, &network_depth);
tot_len = cqe_bcnt - network_depth;
@@ -576,23 +590,30 @@ static void mlx5e_lro_update_hdr(struct sk_buff *skb, struct mlx5_cqe64 *cqe,
ipv4->check = 0;
ipv4->check = ip_fast_csum((unsigned char *)ipv4,
ipv4->ihl);
+
+ mlx5e_lro_update_tcp_hdr(cqe, tcp);
+ check = csum_partial(tcp, tcp->doff * 4,
+ csum_unfold((__force __sum16)cqe->check_sum));
+ /* Almost done, don't forget the pseudo header */
+ tcp->check = csum_tcpudp_magic(ipv4->saddr, ipv4->daddr,
+ tot_len - sizeof(struct iphdr),
+ IPPROTO_TCP, check);
} else {
+ u16 payload_len = tot_len - sizeof(struct ipv6hdr);
struct ipv6hdr *ipv6 = ip_p;
tcp = ip_p + sizeof(struct ipv6hdr);
skb_shinfo(skb)->gso_type = SKB_GSO_TCPV6;
ipv6->hop_limit = cqe->lro_min_ttl;
- ipv6->payload_len = cpu_to_be16(tot_len -
- sizeof(struct ipv6hdr));
- }
-
- tcp->psh = get_cqe_lro_tcppsh(cqe);
-
- if (tcp_ack) {
- tcp->ack = 1;
- tcp->ack_seq = cqe->lro_ack_seq_num;
- tcp->window = cqe->lro_tcp_win;
+ ipv6->payload_len = cpu_to_be16(payload_len);
+
+ mlx5e_lro_update_tcp_hdr(cqe, tcp);
+ check = csum_partial(tcp, tcp->doff * 4,
+ csum_unfold((__force __sum16)cqe->check_sum));
+ /* Almost done, don't forget the pseudo header */
+ tcp->check = csum_ipv6_magic(&ipv6->saddr, &ipv6->daddr, payload_len,
+ IPPROTO_TCP, check);
}
}
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_selftest.c b/drivers/net/ethernet/mellanox/mlx5/core/en_selftest.c
index 5a4608281f38..707976482c09 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_selftest.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_selftest.c
@@ -216,7 +216,8 @@ mlx5e_test_loopback_validate(struct sk_buff *skb,
if (iph->protocol != IPPROTO_UDP)
goto out;
- udph = udp_hdr(skb);
+ /* Don't assume skb_transport_header() was set */
+ udph = (struct udphdr *)((u8 *)iph + 4 * iph->ihl);
if (udph->dest != htons(9))
goto out;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
index fd98b0dc610f..fa86a1466718 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
@@ -2529,7 +2529,8 @@ static int parse_tc_fdb_actions(struct mlx5e_priv *priv, struct tcf_exts *exts,
if (tcf_vlan_action(a) == TCA_VLAN_ACT_POP) {
attr->action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_POP;
} else if (tcf_vlan_action(a) == TCA_VLAN_ACT_PUSH) {
- if (tcf_vlan_push_proto(a) != htons(ETH_P_8021Q))
+ if (tcf_vlan_push_proto(a) != htons(ETH_P_8021Q) ||
+ tcf_vlan_push_prio(a))
return -EOPNOTSUPP;
attr->action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c
index 569b42a01026..11b4f1089d1c 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c
@@ -176,7 +176,7 @@ static inline u16 mlx5e_calc_min_inline(enum mlx5_inline_modes mode,
default:
hlen = mlx5e_skb_l2_header_offset(skb);
}
- return min_t(u16, hlen, skb->len);
+ return min_t(u16, hlen, skb_headlen(skb));
}
static inline void mlx5e_tx_skb_pull_inline(unsigned char **skb_data,
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c
index 5ecf2cddc16d..c2b1d7d351fc 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c
@@ -1529,6 +1529,10 @@ static void esw_enable_vport(struct mlx5_eswitch *esw, int vport_num,
esw_debug(esw->dev, "Enabling VPORT(%d)\n", vport_num);
+ /* Create steering drop counters for ingress and egress ACLs */
+ if (vport_num && esw->mode == SRIOV_LEGACY)
+ esw_vport_create_drop_counters(vport);
+
/* Restore old vport configuration */
esw_apply_vport_conf(esw, vport);
@@ -1545,10 +1549,6 @@ static void esw_enable_vport(struct mlx5_eswitch *esw, int vport_num,
if (!vport_num)
vport->info.trusted = true;
- /* create steering drop counters for ingress and egress ACLs */
- if (vport_num && esw->mode == SRIOV_LEGACY)
- esw_vport_create_drop_counters(vport);
-
esw_vport_change_handle_locked(vport);
esw->enabled_vports++;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c
index c025c98700e4..31fc2cfac3b3 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c
@@ -1429,7 +1429,8 @@ static bool check_conflicting_actions(u32 action1, u32 action2)
if (xored_actions & (MLX5_FLOW_CONTEXT_ACTION_DROP |
MLX5_FLOW_CONTEXT_ACTION_ENCAP |
- MLX5_FLOW_CONTEXT_ACTION_DECAP))
+ MLX5_FLOW_CONTEXT_ACTION_DECAP |
+ MLX5_FLOW_CONTEXT_ACTION_MOD_HDR))
return true;
return false;
@@ -1758,8 +1759,11 @@ search_again_locked:
/* Collect all fgs which has a matching match_criteria */
err = build_match_list(&match_head, ft, spec);
- if (err)
+ if (err) {
+ if (take_write)
+ up_write_ref_node(&ft->node);
return ERR_PTR(err);
+ }
if (!take_write)
up_read_ref_node(&ft->node);
@@ -1768,8 +1772,11 @@ search_again_locked:
dest_num, version);
free_match_list(&match_head);
if (!IS_ERR(rule) ||
- (PTR_ERR(rule) != -ENOENT && PTR_ERR(rule) != -EAGAIN))
+ (PTR_ERR(rule) != -ENOENT && PTR_ERR(rule) != -EAGAIN)) {
+ if (take_write)
+ up_write_ref_node(&ft->node);
return rule;
+ }
if (!take_write) {
nested_down_write_ref_node(&ft->node, FS_LOCK_GRANDPARENT);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lib/clock.c b/drivers/net/ethernet/mellanox/mlx5/core/lib/clock.c
index e159243e0fcf..857035583ccd 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/lib/clock.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/lib/clock.c
@@ -34,6 +34,7 @@
#include <linux/highmem.h>
#include <rdma/mlx5-abi.h>
#include "en.h"
+#include "clock.h"
enum {
MLX5_CYCLES_SHIFT = 23
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/main.c b/drivers/net/ethernet/mellanox/mlx5/core/main.c
index 2ef641c91c26..ae391e4b7070 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/main.c
@@ -551,7 +551,7 @@ static int handle_hca_cap(struct mlx5_core_dev *dev)
MLX5_SET(cmd_hca_cap,
set_hca_cap,
cache_line_128byte,
- cache_line_size() == 128 ? 1 : 0);
+ cache_line_size() >= 128 ? 1 : 0);
if (MLX5_CAP_GEN_MAX(dev, dct))
MLX5_SET(cmd_hca_cap, set_hca_cap, dct, 1);
diff --git a/drivers/net/ethernet/smsc/Kconfig b/drivers/net/ethernet/smsc/Kconfig
index 63aca9f847e1..4c2f612e4414 100644
--- a/drivers/net/ethernet/smsc/Kconfig
+++ b/drivers/net/ethernet/smsc/Kconfig
@@ -20,7 +20,7 @@ if NET_VENDOR_SMSC
config SMC9194
tristate "SMC 9194 support"
- depends on (ISA || MAC && BROKEN)
+ depends on ISA
select CRC32
---help---
This is support for the SMC9xxx based Ethernet cards. Choose this
diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c
index a0f2be81d52e..8fc02d9db3d0 100644
--- a/drivers/net/macvlan.c
+++ b/drivers/net/macvlan.c
@@ -1451,7 +1451,7 @@ destroy_macvlan_port:
/* the macvlan port may be freed by macvlan_uninit when fail to register.
* so we destroy the macvlan port only when it's valid.
*/
- if (create && macvlan_port_get_rtnl(dev))
+ if (create && macvlan_port_get_rtnl(lowerdev))
macvlan_port_destroy(port->dev);
return err;
}
diff --git a/drivers/net/usb/smsc75xx.c b/drivers/net/usb/smsc75xx.c
index d0a113743195..7a6a1fe79309 100644
--- a/drivers/net/usb/smsc75xx.c
+++ b/drivers/net/usb/smsc75xx.c
@@ -954,10 +954,11 @@ static int smsc75xx_set_features(struct net_device *netdev,
/* it's racing here! */
ret = smsc75xx_write_reg(dev, RFE_CTL, pdata->rfe_ctl);
- if (ret < 0)
+ if (ret < 0) {
netdev_warn(dev->net, "Error writing RFE_CTL\n");
-
- return ret;
+ return ret;
+ }
+ return 0;
}
static int smsc75xx_wait_ready(struct usbnet *dev, int in_pm)
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
index 626c27352ae2..9bb9e562b893 100644
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -443,12 +443,8 @@ static bool __virtnet_xdp_xmit(struct virtnet_info *vi,
sg_init_one(sq->sg, xdp->data, xdp->data_end - xdp->data);
err = virtqueue_add_outbuf(sq->vq, sq->sg, 1, xdp->data, GFP_ATOMIC);
- if (unlikely(err)) {
- struct page *page = virt_to_head_page(xdp->data);
-
- put_page(page);
- return false;
- }
+ if (unlikely(err))
+ return false; /* Caller handle free/refcnt */
return true;
}
@@ -456,8 +452,18 @@ static bool __virtnet_xdp_xmit(struct virtnet_info *vi,
static int virtnet_xdp_xmit(struct net_device *dev, struct xdp_buff *xdp)
{
struct virtnet_info *vi = netdev_priv(dev);
- bool sent = __virtnet_xdp_xmit(vi, xdp);
+ struct receive_queue *rq = vi->rq;
+ struct bpf_prog *xdp_prog;
+ bool sent;
+ /* Only allow ndo_xdp_xmit if XDP is loaded on dev, as this
+ * indicate XDP resources have been successfully allocated.
+ */
+ xdp_prog = rcu_dereference(rq->xdp_prog);
+ if (!xdp_prog)
+ return -ENXIO;
+
+ sent = __virtnet_xdp_xmit(vi, xdp);
if (!sent)
return -ENOSPC;
return 0;
@@ -546,8 +552,11 @@ static struct sk_buff *receive_small(struct net_device *dev,
unsigned int buflen = SKB_DATA_ALIGN(GOOD_PACKET_LEN + headroom) +
SKB_DATA_ALIGN(sizeof(struct skb_shared_info));
struct page *page = virt_to_head_page(buf);
- unsigned int delta = 0, err;
+ unsigned int delta = 0;
struct page *xdp_page;
+ bool sent;
+ int err;
+
len -= vi->hdr_len;
rcu_read_lock();
@@ -558,7 +567,7 @@ static struct sk_buff *receive_small(struct net_device *dev,
void *orig_data;
u32 act;
- if (unlikely(hdr->hdr.gso_type || hdr->hdr.flags))
+ if (unlikely(hdr->hdr.gso_type))
goto err_xdp;
if (unlikely(xdp_headroom < virtnet_get_headroom(vi))) {
@@ -596,16 +605,19 @@ static struct sk_buff *receive_small(struct net_device *dev,
delta = orig_data - xdp.data;
break;
case XDP_TX:
- if (unlikely(!__virtnet_xdp_xmit(vi, &xdp)))
+ sent = __virtnet_xdp_xmit(vi, &xdp);
+ if (unlikely(!sent)) {
trace_xdp_exception(vi->dev, xdp_prog, act);
- else
- *xdp_xmit = true;
+ goto err_xdp;
+ }
+ *xdp_xmit = true;
rcu_read_unlock();
goto xdp_xmit;
case XDP_REDIRECT:
err = xdp_do_redirect(dev, &xdp, xdp_prog);
- if (!err)
- *xdp_xmit = true;
+ if (err)
+ goto err_xdp;
+ *xdp_xmit = true;
rcu_read_unlock();
goto xdp_xmit;
default:
@@ -677,7 +689,7 @@ static struct sk_buff *receive_mergeable(struct net_device *dev,
struct bpf_prog *xdp_prog;
unsigned int truesize;
unsigned int headroom = mergeable_ctx_to_headroom(ctx);
- int err;
+ bool sent;
head_skb = NULL;
@@ -746,20 +758,18 @@ static struct sk_buff *receive_mergeable(struct net_device *dev,
}
break;
case XDP_TX:
- if (unlikely(!__virtnet_xdp_xmit(vi, &xdp)))
+ sent = __virtnet_xdp_xmit(vi, &xdp);
+ if (unlikely(!sent)) {
trace_xdp_exception(vi->dev, xdp_prog, act);
- else
- *xdp_xmit = true;
+ if (unlikely(xdp_page != page))
+ put_page(xdp_page);
+ goto err_xdp;
+ }
+ *xdp_xmit = true;
if (unlikely(xdp_page != page))
goto err_xdp;
rcu_read_unlock();
goto xdp_xmit;
- case XDP_REDIRECT:
- err = xdp_do_redirect(dev, &xdp, xdp_prog);
- if (!err)
- *xdp_xmit = true;
- rcu_read_unlock();
- goto xdp_xmit;
default:
bpf_warn_invalid_xdp_action(act);
case XDP_ABORTED:
diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c
index 1cf22e62e3dd..6e0af815f25e 100644
--- a/drivers/net/wireless/mac80211_hwsim.c
+++ b/drivers/net/wireless/mac80211_hwsim.c
@@ -3516,7 +3516,7 @@ static int __init init_mac80211_hwsim(void)
spin_lock_init(&hwsim_radio_lock);
- hwsim_wq = alloc_workqueue("hwsim_wq",WQ_MEM_RECLAIM,0);
+ hwsim_wq = alloc_workqueue("hwsim_wq", 0, 0);
if (!hwsim_wq)
return -ENOMEM;
rhashtable_init(&hwsim_radios_rht, &hwsim_rht_params);