Review-by: Jie Wang <wangjie125@huawei.com> On 2021/9/22 22:57, Jian Shen wrote:
Use netdev_feature_xxx helpers to replace the logical operation for netdev features.
Signed-off-by: Jian Shen <shenjian15@huawei.com> --- net/sctp/offload.c | 12 +++++++++--- net/sctp/output.c | 2 +- 2 files changed, 10 insertions(+), 4 deletions(-)
diff --git a/net/sctp/offload.c b/net/sctp/offload.c index eb874e3c399a..c49464811614 100644 --- a/net/sctp/offload.c +++ b/net/sctp/offload.c @@ -39,6 +39,7 @@ static struct sk_buff *sctp_gso_segment(struct sk_buff *skb, netdev_features_t features) { struct sk_buff *segs = ERR_PTR(-EINVAL); + netdev_features_t tmp; struct sctphdr *sh;
if (!skb_is_gso_sctp(skb)) @@ -50,7 +51,9 @@ static struct sk_buff *sctp_gso_segment(struct sk_buff *skb,
__skb_pull(skb, sizeof(*sh));
- if (skb_gso_ok(skb, features | NETIF_F_GSO_ROBUST)) { + netdev_feature_copy(&tmp, features); + netdev_feature_set_bit(NETIF_F_GSO_ROBUST_BIT, &tmp); + if (skb_gso_ok(skb, tmp)) { /* Packet is from an untrusted source, reset gso_segs. */ struct skb_shared_info *pinfo = skb_shinfo(skb); struct sk_buff *frag_iter; @@ -68,12 +71,15 @@ static struct sk_buff *sctp_gso_segment(struct sk_buff *skb, goto out; }
- segs = skb_segment(skb, (features | NETIF_F_HW_CSUM) & ~NETIF_F_SG); + netdev_feature_copy(&tmp, features); + netdev_feature_set_bit(NETIF_F_HW_CSUM_BIT, &tmp); + netdev_feature_clear_bit(NETIF_F_SG_BIT, &tmp); + segs = skb_segment(skb, tmp); if (IS_ERR(segs)) goto out;
/* All that is left is update SCTP CRC if necessary */ - if (!(features & NETIF_F_SCTP_CRC)) { + if (!netdev_feature_test_bit(NETIF_F_SCTP_CRC_BIT, features)) { for (skb = segs; skb; skb = skb->next) { if (skb->ip_summed == CHECKSUM_PARTIAL) { sh = sctp_hdr(skb); diff --git a/net/sctp/output.c b/net/sctp/output.c index 4dfb5ea82b05..bbaadde69358 100644 --- a/net/sctp/output.c +++ b/net/sctp/output.c @@ -543,7 +543,7 @@ static int sctp_packet_pack(struct sctp_packet *packet, if (sctp_checksum_disable) return 1;
- if (!(tp->dst->dev->features & NETIF_F_SCTP_CRC) || + if (!netdev_feature_test_bit(NETIF_F_SCTP_CRC_BIT, tp->dst->dev->features) || dst_xfrm(tp->dst) || packet->ipfragok || tp->encap_port) { struct sctphdr *sh = (struct sctphdr *)skb_transport_header(head);