summaryrefslogtreecommitdiffstats
path: root/net/core/dev.c
diff options
context:
space:
mode:
Diffstat (limited to 'net/core/dev.c')
-rw-r--r--net/core/dev.c60
1 files changed, 13 insertions, 47 deletions
diff --git a/net/core/dev.c b/net/core/dev.c
index b6b8505cfb3e..66f7508825bd 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -4502,23 +4502,6 @@ static int netif_rx_internal(struct sk_buff *skb)
trace_netif_rx(skb);
- if (static_branch_unlikely(&generic_xdp_needed_key)) {
- int ret;
-
- preempt_disable();
- rcu_read_lock();
- ret = do_xdp_generic(rcu_dereference(skb->dev->xdp_prog), skb);
- rcu_read_unlock();
- preempt_enable();
-
- /* Consider XDP consuming the packet a success from
- * the netdev point of view we do not want to count
- * this as an error.
- */
- if (ret != XDP_PASS)
- return NET_RX_SUCCESS;
- }
-
#ifdef CONFIG_RPS
if (static_branch_unlikely(&rps_needed)) {
struct rps_dev_flow voidflow, *rflow = &voidflow;
@@ -4858,6 +4841,18 @@ another_round:
__this_cpu_inc(softnet_data.processed);
+ if (static_branch_unlikely(&generic_xdp_needed_key)) {
+ int ret2;
+
+ preempt_disable();
+ ret2 = do_xdp_generic(rcu_dereference(skb->dev->xdp_prog), skb);
+ preempt_enable();
+
+ if (ret2 != XDP_PASS)
+ return NET_RX_DROP;
+ skb_reset_mac_len(skb);
+ }
+
if (skb->protocol == cpu_to_be16(ETH_P_8021Q) ||
skb->protocol == cpu_to_be16(ETH_P_8021AD)) {
skb = skb_vlan_untag(skb);
@@ -5178,19 +5173,6 @@ static int netif_receive_skb_internal(struct sk_buff *skb)
if (skb_defer_rx_timestamp(skb))
return NET_RX_SUCCESS;
- if (static_branch_unlikely(&generic_xdp_needed_key)) {
- int ret;
-
- preempt_disable();
- rcu_read_lock();
- ret = do_xdp_generic(rcu_dereference(skb->dev->xdp_prog), skb);
- rcu_read_unlock();
- preempt_enable();
-
- if (ret != XDP_PASS)
- return NET_RX_DROP;
- }
-
rcu_read_lock();
#ifdef CONFIG_RPS
if (static_branch_unlikely(&rps_needed)) {
@@ -5211,7 +5193,6 @@ static int netif_receive_skb_internal(struct sk_buff *skb)
static void netif_receive_skb_list_internal(struct list_head *head)
{
- struct bpf_prog *xdp_prog = NULL;
struct sk_buff *skb, *next;
struct list_head sublist;
@@ -5224,21 +5205,6 @@ static void netif_receive_skb_list_internal(struct list_head *head)
}
list_splice_init(&sublist, head);
- if (static_branch_unlikely(&generic_xdp_needed_key)) {
- preempt_disable();
- rcu_read_lock();
- list_for_each_entry_safe(skb, next, head, list) {
- xdp_prog = rcu_dereference(skb->dev->xdp_prog);
- skb_list_del_init(skb);
- if (do_xdp_generic(xdp_prog, skb) == XDP_PASS)
- list_add_tail(&skb->list, &sublist);
- }
- rcu_read_unlock();
- preempt_enable();
- /* Put passed packets back on main list */
- list_splice_init(&sublist, head);
- }
-
rcu_read_lock();
#ifdef CONFIG_RPS
if (static_branch_unlikely(&rps_needed)) {
@@ -5809,7 +5775,6 @@ static struct sk_buff *napi_frags_skb(struct napi_struct *napi)
skb_reset_mac_header(skb);
skb_gro_reset_offset(skb);
- eth = skb_gro_header_fast(skb, 0);
if (unlikely(skb_gro_header_hard(skb, hlen))) {
eth = skb_gro_header_slow(skb, hlen, 0);
if (unlikely(!eth)) {
@@ -5819,6 +5784,7 @@ static struct sk_buff *napi_frags_skb(struct napi_struct *napi)
return NULL;
}
} else {
+ eth = (const struct ethhdr *)skb->data;
gro_pull_from_frag0(skb, hlen);
NAPI_GRO_CB(skb)->frag0 += hlen;
NAPI_GRO_CB(skb)->frag0_len -= hlen;