summaryrefslogtreecommitdiffstats
path: root/drivers/infiniband/ulp/ipoib/ipoib.h
diff options
context:
space:
mode:
authorRafael J. Wysocki <rafael.j.wysocki@intel.com>2016-12-12 20:44:25 +0100
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2016-12-12 20:44:25 +0100
commit2bf3b685a35c80fe368dad9da0e77ba48b460939 (patch)
tree3516a82ec33f96d5e9d3f36abef751aa0b788748 /drivers/infiniband/ulp/ipoib/ipoib.h
parentDocumentation: intel_pstate: Document HWP energy/performance hints (diff)
parentcpufreq: schedutil: Rectify comment in sugov_irq_work() function (diff)
downloadlinux-2bf3b685a35c80fe368dad9da0e77ba48b460939.tar.xz
linux-2bf3b685a35c80fe368dad9da0e77ba48b460939.zip
Merge schedutil governor updates for v4.10.
Diffstat (limited to 'drivers/infiniband/ulp/ipoib/ipoib.h')
-rw-r--r--drivers/infiniband/ulp/ipoib/ipoib.h20
1 files changed, 14 insertions, 6 deletions
diff --git a/drivers/infiniband/ulp/ipoib/ipoib.h b/drivers/infiniband/ulp/ipoib/ipoib.h
index 7b8d2d9e2263..da12717a3eb7 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib.h
+++ b/drivers/infiniband/ulp/ipoib/ipoib.h
@@ -63,6 +63,8 @@ enum ipoib_flush_level {
enum {
IPOIB_ENCAP_LEN = 4,
+ IPOIB_PSEUDO_LEN = 20,
+ IPOIB_HARD_LEN = IPOIB_ENCAP_LEN + IPOIB_PSEUDO_LEN,
IPOIB_UD_HEAD_SIZE = IB_GRH_BYTES + IPOIB_ENCAP_LEN,
IPOIB_UD_RX_SG = 2, /* max buffer needed for 4K mtu */
@@ -134,15 +136,21 @@ struct ipoib_header {
u16 reserved;
};
-struct ipoib_cb {
- struct qdisc_skb_cb qdisc_cb;
- u8 hwaddr[INFINIBAND_ALEN];
+struct ipoib_pseudo_header {
+ u8 hwaddr[INFINIBAND_ALEN];
};
-static inline struct ipoib_cb *ipoib_skb_cb(const struct sk_buff *skb)
+static inline void skb_add_pseudo_hdr(struct sk_buff *skb)
{
- BUILD_BUG_ON(sizeof(skb->cb) < sizeof(struct ipoib_cb));
- return (struct ipoib_cb *)skb->cb;
+ char *data = skb_push(skb, IPOIB_PSEUDO_LEN);
+
+ /*
+ * only the ipoib header is present now, make room for a dummy
+ * pseudo header and set skb field accordingly
+ */
+ memset(data, 0, IPOIB_PSEUDO_LEN);
+ skb_reset_mac_header(skb);
+ skb_pull(skb, IPOIB_HARD_LEN);
}
/* Used for all multicast joins (broadcast, IPv4 mcast and IPv6 mcast) */