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From: Yuri Benditovich <yuri.benditovich@daynix.com>
To: davem@davemloft.net, kuba@kernel.org, mst@redhat.com,
	jasowang@redhat.com, ast@kernel.org, daniel@iogearbox.net,
	andrii@kernel.org, kafai@fb.com, songliubraving@fb.com,
	yhs@fb.com, john.fastabend@gmail.com, kpsingh@kernel.org,
	rdunlap@infradead.org, willemb@google.com, gustavoars@kernel.org,
	herbert@gondor.apana.org.au, steffen.klassert@secunet.com,
	nogikh@google.com, pablo@netfilter.org, decui@microsoft.com,
	cai@lca.pw, jakub@cloudflare.com, elver@google.com,
	pabeni@redhat.com, netdev@vger.kernel.org,
	linux-kernel@vger.kernel.org, kvm@vger.kernel.org,
	virtualization@lists.linux-foundation.org, bpf@vger.kernel.org
Cc: yan@daynix.com
Subject: [RFC PATCH 1/7] skbuff: define field for hash report type
Date: Tue, 12 Jan 2021 21:41:37 +0200
Message-ID: <20210112194143.1494-2-yuri.benditovich@daynix.com> (raw)
In-Reply-To: <20210112194143.1494-1-yuri.benditovich@daynix.com>

Used by virtio-net receive side scaling

Signed-off-by: Yuri Benditovich <yuri.benditovich@daynix.com>
---
 include/linux/skbuff.h | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 416bf95cd5f2..36cf40ec0259 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -510,7 +510,7 @@ int skb_zerocopy_iter_stream(struct sock *sk, struct sk_buff *skb,
  * the end of the header data, ie. at skb->end.
  */
 struct skb_shared_info {
-	__u8		__unused;
+	__u8		hash_report_type; /* virtio-net rss */
 	__u8		meta_len;
 	__u8		nr_frags;
 	__u8		tx_flags;
@@ -1430,6 +1430,11 @@ static inline struct skb_shared_hwtstamps *skb_hwtstamps(struct sk_buff *skb)
 	return &skb_shinfo(skb)->hwtstamps;
 }
 
+static inline __u8 *skb_hash_report_type(struct sk_buff *skb)
+{
+	return &skb_shinfo(skb)->hash_report_type;
+}
+
 static inline struct ubuf_info *skb_zcopy(struct sk_buff *skb)
 {
 	bool is_zcopy = skb && skb_shinfo(skb)->tx_flags & SKBTX_DEV_ZEROCOPY;
-- 
2.17.1


  reply index

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-12 19:41 [RFC PATCH 0/7] Support for virtio-net hash reporting Yuri Benditovich
2021-01-12 19:41 ` Yuri Benditovich [this message]
2021-01-12 19:41 ` [RFC PATCH 2/7] vhost: support for hash report virtio-net feature Yuri Benditovich
2021-01-12 19:41 ` [RFC PATCH 3/7] tun: allow use of BPF_PROG_TYPE_SCHED_CLS program type Yuri Benditovich
2021-01-12 19:46   ` Alexei Starovoitov
2021-01-12 20:33     ` Yuri Benditovich
2021-01-12 20:40   ` Yuri Benditovich
2021-01-12 20:55     ` Yuri Benditovich
2021-01-18  9:16       ` Yuri Benditovich
2021-01-20 18:44       ` Alexei Starovoitov
2021-01-24 11:52         ` Yuri Benditovich
2021-01-12 19:41 ` [RFC PATCH 4/7] tun: free bpf_program by bpf_prog_put instead of bpf_prog_destroy Yuri Benditovich
2021-01-12 19:41 ` [RFC PATCH 5/7] tun: add ioctl code TUNSETHASHPOPULATION Yuri Benditovich
2021-01-12 19:41 ` [RFC PATCH 6/7] tun: populate hash in virtio-net header when needed Yuri Benditovich
2021-01-12 19:41 ` [RFC PATCH 7/7] tun: report new tun feature IFF_HASH Yuri Benditovich
2021-01-12 19:49 ` [RFC PATCH 0/7] Support for virtio-net hash reporting Yuri Benditovich
2021-01-12 20:28   ` Yuri Benditovich
2021-01-12 23:47     ` Willem de Bruijn
2021-01-13  4:05       ` Jason Wang
2021-01-13 14:33         ` Willem de Bruijn
2021-01-14  3:38           ` Jason Wang
2021-01-17  7:57             ` Yuri Benditovich
2021-01-18  2:46               ` Jason Wang
2021-01-18  9:09                 ` Yuri Benditovich
2021-01-18 15:19                   ` Willem de Bruijn

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