netdev - [PATCH net-next 2/2] sctp: add intl_capable and reconf_capable in ss peer

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Message-Id: <f5aa5fa493b426331bfd6bba5664bd551cc82e29.1681507192.git.lucien.xin@gmail.com>
Date:   Fri, 14 Apr 2023 17:21:16 -0400
From:   Xin Long <lucien.xin@...il.com>
To:     network dev <netdev@...r.kernel.org>, linux-sctp@...r.kernel.org
Cc:     davem@...emloft.net, kuba@...nel.org,
        Eric Dumazet <edumazet@...gle.com>,
        Paolo Abeni <pabeni@...hat.com>,
        Marcelo Ricardo Leitner <marcelo.leitner@...il.com>
Subject: [PATCH net-next 2/2] sctp: add intl_capable and reconf_capable in ss peer_capable

There are two new peer capables have been added since sctp_diag was
introduced into SCTP. When dumping the peer capables, these two new
peer capables should also be included. To not break the old capables,
reconf_capable takes the old hostname_address bit, and intl_capable
uses the higher available bit in sctpi_peer_capable.

Signed-off-by: Xin Long <lucien.xin@...il.com>
---
 net/sctp/socket.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index 079e726909b4..cda8c2874691 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -5192,10 +5192,11 @@ int sctp_get_sctp_info(struct sock *sk, struct sctp_association *asoc,
 	info->sctpi_peer_rwnd = asoc->peer.rwnd;
 	info->sctpi_peer_tag = asoc->c.peer_vtag;
 
-	mask = asoc->peer.ecn_capable << 1;
+	mask = asoc->peer.intl_capable << 1;
+	mask = (mask | asoc->peer.ecn_capable) << 1;
 	mask = (mask | asoc->peer.ipv4_address) << 1;
 	mask = (mask | asoc->peer.ipv6_address) << 1;
-	mask = mask << 1;
+	mask = (mask | asoc->peer.reconf_capable) << 1;
 	mask = (mask | asoc->peer.asconf_capable) << 1;
 	mask = (mask | asoc->peer.prsctp_capable) << 1;
 	mask = (mask | asoc->peer.auth_capable);
-- 
2.39.1