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-rw-r--r--drivers/net/geneve.c9
-rw-r--r--drivers/net/vxlan/vxlan_core.c9
-rw-r--r--include/net/gro.h33
-rw-r--r--net/8021q/vlan_core.c9
-rw-r--r--net/ethernet/eth.c9
-rw-r--r--net/ipv4/af_inet.c9
-rw-r--r--net/ipv4/fou.c9
-rw-r--r--net/ipv4/gre_offload.c9
-rw-r--r--net/ipv4/tcp_offload.c9
-rw-r--r--net/ipv6/ip6_offload.c9
10 files changed, 45 insertions, 69 deletions
diff --git a/drivers/net/geneve.c b/drivers/net/geneve.c
index 7962c37b3f14..01aa94776ce3 100644
--- a/drivers/net/geneve.c
+++ b/drivers/net/geneve.c
@@ -503,12 +503,9 @@ static struct sk_buff *geneve_gro_receive(struct sock *sk,
off_gnv = skb_gro_offset(skb);
hlen = off_gnv + sizeof(*gh);
- gh = skb_gro_header_fast(skb, off_gnv);
- if (skb_gro_header_hard(skb, hlen)) {
- gh = skb_gro_header_slow(skb, hlen, off_gnv);
- if (unlikely(!gh))
- goto out;
- }
+ gh = skb_gro_header(skb, hlen, off_gnv);
+ if (unlikely(!gh))
+ goto out;
if (gh->ver != GENEVE_VER || gh->oam)
goto out;
diff --git a/drivers/net/vxlan/vxlan_core.c b/drivers/net/vxlan/vxlan_core.c
index c3285242f74f..1a47d04f5d1a 100644
--- a/drivers/net/vxlan/vxlan_core.c
+++ b/drivers/net/vxlan/vxlan_core.c
@@ -713,12 +713,9 @@ static struct sk_buff *vxlan_gro_receive(struct sock *sk,
off_vx = skb_gro_offset(skb);
hlen = off_vx + sizeof(*vh);
- vh = skb_gro_header_fast(skb, off_vx);
- if (skb_gro_header_hard(skb, hlen)) {
- vh = skb_gro_header_slow(skb, hlen, off_vx);
- if (unlikely(!vh))
- goto out;
- }
+ vh = skb_gro_header(skb, hlen, off_vx);
+ if (unlikely(!vh))
+ goto out;
skb_gro_postpull_rcsum(skb, vh, sizeof(struct vxlanhdr));
diff --git a/include/net/gro.h b/include/net/gro.h
index 867656b0739c..5bf15c212434 100644
--- a/include/net/gro.h
+++ b/include/net/gro.h
@@ -160,6 +160,17 @@ static inline void *skb_gro_header_slow(struct sk_buff *skb, unsigned int hlen,
return skb->data + offset;
}
+static inline void *skb_gro_header(struct sk_buff *skb,
+ unsigned int hlen, unsigned int offset)
+{
+ void *ptr;
+
+ ptr = skb_gro_header_fast(skb, offset);
+ if (skb_gro_header_hard(skb, hlen))
+ ptr = skb_gro_header_slow(skb, hlen, offset);
+ return ptr;
+}
+
static inline void *skb_gro_network_header(struct sk_buff *skb)
{
return (NAPI_GRO_CB(skb)->frag0 ?: skb->data) +
@@ -301,12 +312,9 @@ static inline void *skb_gro_remcsum_process(struct sk_buff *skb, void *ptr,
return ptr;
}
- ptr = skb_gro_header_fast(skb, off);
- if (skb_gro_header_hard(skb, off + plen)) {
- ptr = skb_gro_header_slow(skb, off + plen, off);
- if (!ptr)
- return NULL;
- }
+ ptr = skb_gro_header(skb, off + plen, off);
+ if (!ptr)
+ return NULL;
delta = remcsum_adjust(ptr + hdrlen, NAPI_GRO_CB(skb)->csum,
start, offset);
@@ -329,12 +337,9 @@ static inline void skb_gro_remcsum_cleanup(struct sk_buff *skb,
if (!grc->delta)
return;
- ptr = skb_gro_header_fast(skb, grc->offset);
- if (skb_gro_header_hard(skb, grc->offset + sizeof(u16))) {
- ptr = skb_gro_header_slow(skb, plen, grc->offset);
- if (!ptr)
- return;
- }
+ ptr = skb_gro_header(skb, plen, grc->offset);
+ if (!ptr)
+ return;
remcsum_unadjust((__sum16 *)ptr, grc->delta);
}
@@ -405,9 +410,7 @@ static inline struct udphdr *udp_gro_udphdr(struct sk_buff *skb)
off = skb_gro_offset(skb);
hlen = off + sizeof(*uh);
- uh = skb_gro_header_fast(skb, off);
- if (skb_gro_header_hard(skb, hlen))
- uh = skb_gro_header_slow(skb, hlen, off);
+ uh = skb_gro_header(skb, hlen, off);
return uh;
}
diff --git a/net/8021q/vlan_core.c b/net/8021q/vlan_core.c
index 5aa8144101dc..0beb44f2fe1f 100644
--- a/net/8021q/vlan_core.c
+++ b/net/8021q/vlan_core.c
@@ -467,12 +467,9 @@ static struct sk_buff *vlan_gro_receive(struct list_head *head,
off_vlan = skb_gro_offset(skb);
hlen = off_vlan + sizeof(*vhdr);
- vhdr = skb_gro_header_fast(skb, off_vlan);
- if (skb_gro_header_hard(skb, hlen)) {
- vhdr = skb_gro_header_slow(skb, hlen, off_vlan);
- if (unlikely(!vhdr))
- goto out;
- }
+ vhdr = skb_gro_header(skb, hlen, off_vlan);
+ if (unlikely(!vhdr))
+ goto out;
type = vhdr->h_vlan_encapsulated_proto;
diff --git a/net/ethernet/eth.c b/net/ethernet/eth.c
index 62b89d6f54fd..e02daa74e833 100644
--- a/net/ethernet/eth.c
+++ b/net/ethernet/eth.c
@@ -414,12 +414,9 @@ struct sk_buff *eth_gro_receive(struct list_head *head, struct sk_buff *skb)
off_eth = skb_gro_offset(skb);
hlen = off_eth + sizeof(*eh);
- eh = skb_gro_header_fast(skb, off_eth);
- if (skb_gro_header_hard(skb, hlen)) {
- eh = skb_gro_header_slow(skb, hlen, off_eth);
- if (unlikely(!eh))
- goto out;
- }
+ eh = skb_gro_header(skb, hlen, off_eth);
+ if (unlikely(!eh))
+ goto out;
flush = 0;
diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c
index 2e6a3cb06815..d3ab1ae32ef5 100644
--- a/net/ipv4/af_inet.c
+++ b/net/ipv4/af_inet.c
@@ -1464,12 +1464,9 @@ struct sk_buff *inet_gro_receive(struct list_head *head, struct sk_buff *skb)
off = skb_gro_offset(skb);
hlen = off + sizeof(*iph);
- iph = skb_gro_header_fast(skb, off);
- if (skb_gro_header_hard(skb, hlen)) {
- iph = skb_gro_header_slow(skb, hlen, off);
- if (unlikely(!iph))
- goto out;
- }
+ iph = skb_gro_header(skb, hlen, off);
+ if (unlikely(!iph))
+ goto out;
proto = iph->protocol;
diff --git a/net/ipv4/fou.c b/net/ipv4/fou.c
index 025a33c1b04d..cb5bfb77944c 100644
--- a/net/ipv4/fou.c
+++ b/net/ipv4/fou.c
@@ -323,12 +323,9 @@ static struct sk_buff *gue_gro_receive(struct sock *sk,
off = skb_gro_offset(skb);
len = off + sizeof(*guehdr);
- guehdr = skb_gro_header_fast(skb, off);
- if (skb_gro_header_hard(skb, len)) {
- guehdr = skb_gro_header_slow(skb, len, off);
- if (unlikely(!guehdr))
- goto out;
- }
+ guehdr = skb_gro_header(skb, len, off);
+ if (unlikely(!guehdr))
+ goto out;
switch (guehdr->version) {
case 0:
diff --git a/net/ipv4/gre_offload.c b/net/ipv4/gre_offload.c
index 07073fa35205..2b9cb5398335 100644
--- a/net/ipv4/gre_offload.c
+++ b/net/ipv4/gre_offload.c
@@ -137,12 +137,9 @@ static struct sk_buff *gre_gro_receive(struct list_head *head,
off = skb_gro_offset(skb);
hlen = off + sizeof(*greh);
- greh = skb_gro_header_fast(skb, off);
- if (skb_gro_header_hard(skb, hlen)) {
- greh = skb_gro_header_slow(skb, hlen, off);
- if (unlikely(!greh))
- goto out;
- }
+ greh = skb_gro_header(skb, hlen, off);
+ if (unlikely(!greh))
+ goto out;
/* Only support version 0 and K (key), C (csum) flags. Note that
* although the support for the S (seq#) flag can be added easily
diff --git a/net/ipv4/tcp_offload.c b/net/ipv4/tcp_offload.c
index 30abde86db45..a844a0d38482 100644
--- a/net/ipv4/tcp_offload.c
+++ b/net/ipv4/tcp_offload.c
@@ -195,12 +195,9 @@ struct sk_buff *tcp_gro_receive(struct list_head *head, struct sk_buff *skb)
off = skb_gro_offset(skb);
hlen = off + sizeof(*th);
- th = skb_gro_header_fast(skb, off);
- if (skb_gro_header_hard(skb, hlen)) {
- th = skb_gro_header_slow(skb, hlen, off);
- if (unlikely(!th))
- goto out;
- }
+ th = skb_gro_header(skb, hlen, off);
+ if (unlikely(!th))
+ goto out;
thlen = th->doff * 4;
if (thlen < sizeof(*th))
diff --git a/net/ipv6/ip6_offload.c b/net/ipv6/ip6_offload.c
index d12dba2dd535..d37a8c97e6de 100644
--- a/net/ipv6/ip6_offload.c
+++ b/net/ipv6/ip6_offload.c
@@ -219,12 +219,9 @@ INDIRECT_CALLABLE_SCOPE struct sk_buff *ipv6_gro_receive(struct list_head *head,
off = skb_gro_offset(skb);
hlen = off + sizeof(*iph);
- iph = skb_gro_header_fast(skb, off);
- if (skb_gro_header_hard(skb, hlen)) {
- iph = skb_gro_header_slow(skb, hlen, off);
- if (unlikely(!iph))
- goto out;
- }
+ iph = skb_gro_header_slow(skb, hlen, off);
+ if (unlikely(!iph))
+ goto out;
skb_set_network_header(skb, off);
skb_gro_pull(skb, sizeof(*iph));
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