From mboxrd@z Thu Jan 1 00:00:00 1970 From: Marcelo Ricardo Leitner Subject: [PATCH net-next v2 05/10] sctp: introduce sctp_chunk_stream_no Date: Tue, 3 Oct 2017 19:20:12 -0300 Message-ID: <2c3d2fe89a0f942756d87c7396c3fe63068fe6e2.1507069005.git.marcelo.leitner@gmail.com> References: Cc: linux-sctp@vger.kernel.org, Neil Horman , Vlad Yasevich , Xin Long , David Laight To: netdev@vger.kernel.org Return-path: Received: from mail-qt0-f196.google.com ([209.85.216.196]:51893 "EHLO mail-qt0-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751345AbdJCWUm (ORCPT ); Tue, 3 Oct 2017 18:20:42 -0400 In-Reply-To: Sender: netdev-owner@vger.kernel.org List-ID: Add a helper to fetch the stream number from a given chunk. Tested-by: Xin Long Signed-off-by: Marcelo Ricardo Leitner --- 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