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From: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
To: netdev@vger.kernel.org
Cc: linux-sctp@vger.kernel.org, Neil Horman <nhorman@tuxdriver.com>,
	Vlad Yasevich <vyasevich@gmail.com>,
	Xin Long <lucien.xin@gmail.com>,
	David Laight <David.Laight@ACULAB.COM>
Subject: [PATCH net-next v2 05/10] sctp: introduce sctp_chunk_stream_no
Date: Tue,  3 Oct 2017 19:20:12 -0300	[thread overview]
Message-ID: <2c3d2fe89a0f942756d87c7396c3fe63068fe6e2.1507069005.git.marcelo.leitner@gmail.com> (raw)
In-Reply-To: <cover.1507069005.git.marcelo.leitner@gmail.com>

Add a helper to fetch the stream number from a given chunk.

Tested-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
---
 include/net/sctp/structs.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h
index 9b2b30b3ba4dfd10c24c3e06ed80779180a06baf..c48f7999fe9b80c5b5e41910a3608059b94140a7 100644
--- a/include/net/sctp/structs.h
+++ b/include/net/sctp/structs.h
@@ -642,6 +642,11 @@ void sctp_init_addrs(struct sctp_chunk *, union sctp_addr *,
 		     union sctp_addr *);
 const union sctp_addr *sctp_source(const struct sctp_chunk *chunk);
 
+static inline __u16 sctp_chunk_stream_no(struct sctp_chunk *ch)
+{
+	return ntohs(ch->subh.data_hdr->stream);
+}
+
 enum {
 	SCTP_ADDR_NEW,		/* new address added to assoc/ep */
 	SCTP_ADDR_SRC,		/* address can be used as source */
-- 
2.13.5

  parent reply	other threads:[~2017-10-03 22:20 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-10-03 22:20 [PATCH net-next v2 00/10] Introduce SCTP Stream Schedulers Marcelo Ricardo Leitner
2017-10-03 22:20 ` [PATCH net-next v2 01/10] sctp: silence warns on sctp_stream_init allocations Marcelo Ricardo Leitner
2017-10-03 22:20 ` [PATCH net-next v2 02/10] sctp: factor out stream->out allocation Marcelo Ricardo Leitner
2017-10-03 22:20 ` [PATCH net-next v2 03/10] sctp: factor out stream->in allocation Marcelo Ricardo Leitner
2017-10-03 22:20 ` [PATCH net-next v2 04/10] sctp: introduce struct sctp_stream_out_ext Marcelo Ricardo Leitner
2017-10-03 22:20 ` Marcelo Ricardo Leitner [this message]
2017-10-03 22:20 ` [PATCH net-next v2 06/10] sctp: introduce stream scheduler foundations Marcelo Ricardo Leitner
2017-10-03 22:20 ` [PATCH net-next v2 07/10] sctp: add sockopt to get/set stream scheduler Marcelo Ricardo Leitner
2017-10-03 22:20 ` [PATCH net-next v2 08/10] sctp: add sockopt to get/set stream scheduler parameters Marcelo Ricardo Leitner
2017-10-03 22:20 ` [PATCH net-next v2 09/10] sctp: introduce priority based stream scheduler Marcelo Ricardo Leitner
2017-10-03 22:20 ` [PATCH net-next v2 10/10] sctp: introduce round robin " Marcelo Ricardo Leitner
2017-10-03 23:27 ` [PATCH net-next v2 00/10] Introduce SCTP Stream Schedulers David Miller

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