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75 lines
2.2 KiB
Diff
75 lines
2.2 KiB
Diff
From a0c69a23c66ec6f527c439714eb2cc5857a71492 Mon Sep 17 00:00:00 2001
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From: Himanshu Joshi <himajosh@codeaurora.org>
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Date: Tue, 3 Nov 2020 16:41:26 +0530
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Subject: [PATCH] net: core: Flag to identify ingress shaping done for
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exceptioned packets.
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Signed-off-by: Himanshu Joshi <himajosh@codeaurora.org>
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Change-Id: Ib3cd341e5b2d4dcf552e02e38d3f34a4f00351cd
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---
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include/linux/skbuff.h | 2 ++
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include/net/sch_generic.h | 34 ++++++++++++++++++++++++++++++++++
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2 files changed, 36 insertions(+)
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--- a/include/linux/skbuff.h
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+++ b/include/linux/skbuff.h
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@@ -648,6 +648,7 @@ typedef unsigned char *sk_buff_data_t;
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* @offload_fwd_mark: Packet was L2-forwarded in hardware
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* @offload_l3_fwd_mark: Packet was L3-forwarded in hardware
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* @tc_skip_classify: do not classify packet. set by IFB device
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+ * @tc_skip_classify_nss: do not classify packet. set by NSS IFB device
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* @tc_at_ingress: used within tc_classify to distinguish in/egress
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* @redirected: packet was redirected by packet classifier
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* @from_ingress: packet was redirected from the ingress path
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@@ -855,6 +856,7 @@ struct sk_buff {
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#ifdef CONFIG_NET_CLS_ACT
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__u8 tc_skip_classify:1;
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__u8 tc_at_ingress:1;
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+ __u8 tc_skip_classify_nss:1;
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#endif
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#ifdef CONFIG_NET_REDIRECT
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__u8 redirected:1;
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--- a/include/net/sch_generic.h
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+++ b/include/net/sch_generic.h
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@@ -740,6 +740,40 @@ static inline bool skb_skip_tc_classify(
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return false;
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}
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+/*
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+ * Set skb classify bit field.
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+ */
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+static inline void skb_set_tc_classify_nss(struct sk_buff *skb)
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+{
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+#ifdef CONFIG_NET_CLS_ACT
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+ skb->tc_skip_classify_nss = 1;
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+#endif
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+}
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+
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+/*
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+ * Clear skb classify bit field.
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+ */
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+static inline void skb_clear_tc_classify_nss(struct sk_buff *skb)
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+{
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+#ifdef CONFIG_NET_CLS_ACT
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+ skb->tc_skip_classify_nss = 0;
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+#endif
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+}
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+
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+/*
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+ * Skip skb processing if sent from ifb dev.
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+ */
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+static inline bool skb_skip_tc_classify_nss(struct sk_buff *skb)
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+{
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+#ifdef CONFIG_NET_CLS_ACT
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+ if (skb->tc_skip_classify_nss) {
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+ skb_clear_tc_classify_nss(skb);
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+ return true;
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+ }
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+#endif
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+ return false;
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+}
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+
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/* Reset all TX qdiscs greater than index of a device. */
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static inline void qdisc_reset_all_tx_gt(struct net_device *dev, unsigned int i)
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{
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