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[79.183.72.147]) by smtp.gmail.com with ESMTPSA id z63sm4885315wme.8.2021.01.12.11.41.54 (version=TLS1_2 cipher=ECDHE-ECDSA-CHACHA20-POLY1305 bits=256/256); Tue, 12 Jan 2021 11:41:57 -0800 (PST) From: Yuri Benditovich 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> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210112194143.1494-1-yuri.benditovich@daynix.com> References: <20210112194143.1494-1-yuri.benditovich@daynix.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Used by virtio-net receive side scaling Signed-off-by: Yuri Benditovich --- 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