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authorXin Long <lucien.xin@gmail.com>2021-01-16 14:13:37 +0800
committerJakub Kicinski <kuba@kernel.org>2021-01-19 14:31:25 -0800
commitfa82117010430aff2ce86400f7328f55a31b48a6 (patch)
treede95fed2c5d6ed2760f4cf362ce9941ee2d1fc6c
parent7eab14de73a8028f770e703962c5437a2b0dda82 (diff)
net: add inline function skb_csum_is_sctp
This patch is to define a inline function skb_csum_is_sctp(), and also replace all places where it checks if it's a SCTP CSUM skb. This function would be used later in many networking drivers in the following patches. Suggested-by: Alexander Duyck <alexander.duyck@gmail.com> Signed-off-by: Xin Long <lucien.xin@gmail.com> Reviewed-by: Alexander Duyck <alexanderduyck@fb.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
-rw-r--r--drivers/net/ethernet/pensando/ionic/ionic_txrx.c2
-rw-r--r--include/linux/skbuff.h5
-rw-r--r--net/core/dev.c2
3 files changed, 7 insertions, 2 deletions
diff --git a/drivers/net/ethernet/pensando/ionic/ionic_txrx.c b/drivers/net/ethernet/pensando/ionic/ionic_txrx.c
index ac4cd5d82e69..162a1ff1e9d2 100644
--- a/drivers/net/ethernet/pensando/ionic/ionic_txrx.c
+++ b/drivers/net/ethernet/pensando/ionic/ionic_txrx.c
@@ -979,7 +979,7 @@ static int ionic_tx_calc_csum(struct ionic_queue *q, struct sk_buff *skb)
stats->vlan_inserted++;
}
- if (skb->csum_not_inet)
+ if (skb_csum_is_sctp(skb))
stats->crc32_csum++;
else
stats->csum++;
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index c9568cf60c2a..46f901adf1a8 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -4621,6 +4621,11 @@ static inline void skb_reset_redirect(struct sk_buff *skb)
#endif
}
+static inline bool skb_csum_is_sctp(struct sk_buff *skb)
+{
+ return skb->csum_not_inet;
+}
+
static inline void skb_set_kcov_handle(struct sk_buff *skb,
const u64 kcov_handle)
{
diff --git a/net/core/dev.c b/net/core/dev.c
index 6b90520a01b1..0332f2e8f7da 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -3617,7 +3617,7 @@ static struct sk_buff *validate_xmit_vlan(struct sk_buff *skb,
int skb_csum_hwoffload_help(struct sk_buff *skb,
const netdev_features_t features)
{
- if (unlikely(skb->csum_not_inet))
+ if (unlikely(skb_csum_is_sctp(skb)))
return !!(features & NETIF_F_SCTP_CRC) ? 0 :
skb_crc32c_csum_help(skb);