From: Christoph Hellwig <hch@lst.de> To: "David S. Miller" <davem@davemloft.net>, Jakub Kicinski <kuba@kernel.org> Cc: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>, Eric Dumazet <edumazet@google.com>, linux-nvme@lists.infradead.org, linux-sctp@vger.kernel.org, target-devel@vger.kernel.org, linux-afs@lists.infradead.org, drbd-dev@lists.linbit.com, linux-cifs@vger.kernel.org, rds-devel@oss.oracle.com, linux-rdma@vger.kernel.org, cluster-devel@redhat.com, Alexey Kuznetsov <kuznet@ms2.inr.ac.ru>, ceph-devel@vger.kernel.org, linux-nfs@vger.kernel.org, Neil Horman <nhorman@tuxdriver.com>, Hideaki YOSHIFUJI <yoshfuji@linux-ipv6.org>, netdev@vger.kernel.org, Vlad Yasevich <vyasevich@gmail.com>, linux-kernel@vger.kernel.org, Jon Maloy <jmaloy@redhat.com>, Ying Xue <ying.xue@windriver.com>, ocfs2-devel@oss.oracle.com Subject: [PATCH 08/33] net: add sock_enable_timestamps Date: Wed, 20 May 2020 21:54:44 +0200 Message-ID: <20200520195509.2215098-9-hch@lst.de> (raw) In-Reply-To: <20200520195509.2215098-1-hch@lst.de> Add a helper to directly enable timestamps instead of setting the SO_TIMESTAMP* sockopts from kernel space and going through a fake uaccess. Signed-off-by: Christoph Hellwig <hch@lst.de> --- include/net/sock.h | 1 + net/core/sock.c | 47 +++++++++++++++++++++++++--------------- net/rxrpc/local_object.c | 8 +------ 3 files changed, 31 insertions(+), 25 deletions(-) diff --git a/include/net/sock.h b/include/net/sock.h index cdec7bc055d5b..99ef43508d2b5 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -2689,6 +2689,7 @@ static inline bool sk_dev_equal_l3scope(struct sock *sk, int dif) void sock_def_readable(struct sock *sk); int sock_bindtoindex(struct sock *sk, int ifindex); +void sock_enable_timestamps(struct sock *sk); void sock_no_linger(struct sock *sk); void sock_set_priority(struct sock *sk, u32 priority); void sock_set_reuseaddr(struct sock *sk); diff --git a/net/core/sock.c b/net/core/sock.c index 23f80880fbb2c..e4a4dd2b3d8b3 100644 --- a/net/core/sock.c +++ b/net/core/sock.c @@ -757,6 +757,28 @@ void sock_set_sndtimeo(struct sock *sk, s64 secs) } EXPORT_SYMBOL(sock_set_sndtimeo); +static void __sock_set_timestamps(struct sock *sk, bool val, bool new, bool ns) +{ + if (val) { + sock_valbool_flag(sk, SOCK_TSTAMP_NEW, new); + sock_valbool_flag(sk, SOCK_RCVTSTAMPNS, ns); + sock_set_flag(sk, SOCK_RCVTSTAMP); + sock_enable_timestamp(sk, SOCK_TIMESTAMP); + } else { + sock_reset_flag(sk, SOCK_RCVTSTAMP); + sock_reset_flag(sk, SOCK_RCVTSTAMPNS); + sock_reset_flag(sk, SOCK_TSTAMP_NEW); + } +} + +void sock_enable_timestamps(struct sock *sk) +{ + lock_sock(sk); + __sock_set_timestamps(sk, true, false, true); + release_sock(sk); +} +EXPORT_SYMBOL(sock_enable_timestamps); + /* * This is meant for all protocols to use and covers goings on * at the socket level. Everything here is generic. @@ -948,28 +970,17 @@ int sock_setsockopt(struct socket *sock, int level, int optname, break; case SO_TIMESTAMP_OLD: + __sock_set_timestamps(sk, valbool, false, false); + break; case SO_TIMESTAMP_NEW: + __sock_set_timestamps(sk, valbool, true, false); + break; case SO_TIMESTAMPNS_OLD: + __sock_set_timestamps(sk, valbool, false, true); + break; case SO_TIMESTAMPNS_NEW: - if (valbool) { - if (optname == SO_TIMESTAMP_NEW || optname == SO_TIMESTAMPNS_NEW) - sock_set_flag(sk, SOCK_TSTAMP_NEW); - else - sock_reset_flag(sk, SOCK_TSTAMP_NEW); - - if (optname == SO_TIMESTAMP_OLD || optname == SO_TIMESTAMP_NEW) - sock_reset_flag(sk, SOCK_RCVTSTAMPNS); - else - sock_set_flag(sk, SOCK_RCVTSTAMPNS); - sock_set_flag(sk, SOCK_RCVTSTAMP); - sock_enable_timestamp(sk, SOCK_TIMESTAMP); - } else { - sock_reset_flag(sk, SOCK_RCVTSTAMP); - sock_reset_flag(sk, SOCK_RCVTSTAMPNS); - sock_reset_flag(sk, SOCK_TSTAMP_NEW); - } + __sock_set_timestamps(sk, valbool, true, true); break; - case SO_TIMESTAMPING_NEW: sock_set_flag(sk, SOCK_TSTAMP_NEW); /* fall through */ diff --git a/net/rxrpc/local_object.c b/net/rxrpc/local_object.c index 01135e54d95d2..5ea2bd01fdd59 100644 --- a/net/rxrpc/local_object.c +++ b/net/rxrpc/local_object.c @@ -189,13 +189,7 @@ static int rxrpc_open_socket(struct rxrpc_local *local, struct net *net) } /* We want receive timestamps. */ - opt = 1; - ret = kernel_setsockopt(local->socket, SOL_SOCKET, SO_TIMESTAMPNS_OLD, - (char *)&opt, sizeof(opt)); - if (ret < 0) { - _debug("setsockopt failed"); - goto error; - } + sock_enable_timestamps(local->socket->sk); break; default: -- 2.26.2 _______________________________________________ linux-nvme mailing list linux-nvme@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-nvme
next prev parent reply index Thread overview: 50+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-05-20 19:54 remove kernel_setsockopt and kernel_getsockopt v2 Christoph Hellwig 2020-05-20 19:54 ` [PATCH 01/33] dlm: use the tcp version of accept_from_sock for sctp as well Christoph Hellwig 2020-05-20 19:54 ` [PATCH 02/33] net: remove kernel_getsockopt Christoph Hellwig 2020-05-20 19:54 ` [PATCH 03/33] net: add sock_set_reuseaddr Christoph Hellwig 2020-05-20 19:54 ` [PATCH 04/33] net: add sock_no_linger Christoph Hellwig 2020-05-20 19:54 ` [PATCH 05/33] net: add sock_set_priority Christoph Hellwig 2020-05-20 19:54 ` [PATCH 06/33] net: add sock_set_sndtimeo Christoph Hellwig 2020-05-20 19:54 ` [PATCH 07/33] net: add sock_bindtoindex Christoph Hellwig 2020-05-20 19:54 ` Christoph Hellwig [this message] 2020-05-20 19:54 ` [PATCH 09/33] net: add sock_set_keepalive Christoph Hellwig 2020-05-20 19:54 ` [PATCH 10/33] net: add sock_set_rcvbuf Christoph Hellwig 2020-05-20 19:54 ` [PATCH 11/33] net: add sock_set_reuseport Christoph Hellwig 2020-05-20 19:54 ` [PATCH 12/33] tcp: add tcp_sock_set_cork Christoph Hellwig 2020-05-20 19:54 ` [PATCH 13/33] tcp: add tcp_sock_set_nodelay Christoph Hellwig 2020-05-20 19:54 ` [PATCH 14/33] tcp: add tcp_sock_set_quickack Christoph Hellwig 2020-05-20 19:54 ` [PATCH 15/33] tcp: add tcp_sock_set_syncnt Christoph Hellwig 2020-05-20 19:54 ` [PATCH 16/33] tcp: add tcp_sock_set_user_timeout Christoph Hellwig 2020-05-20 19:54 ` [PATCH 17/33] tcp: add tcp_sock_set_keepidle Christoph Hellwig 2020-05-20 19:54 ` [PATCH 18/33] tcp: add tcp_sock_set_keepintvl Christoph Hellwig 2020-05-20 19:54 ` [PATCH 19/33] tcp: add tcp_sock_set_keepcnt Christoph Hellwig 2020-05-20 19:54 ` [PATCH 20/33] ipv4: add ip_sock_set_tos Christoph Hellwig 2020-05-20 19:54 ` [PATCH 21/33] ipv4: add ip_sock_set_freebind Christoph Hellwig 2020-05-20 19:54 ` [PATCH 22/33] ipv4: add ip_sock_set_recverr Christoph Hellwig 2020-05-20 19:54 ` [PATCH 23/33] ipv4: add ip_sock_set_mtu_discover Christoph Hellwig 2020-05-20 19:55 ` [PATCH 24/33] ipv4: add ip_sock_set_pktinfo Christoph Hellwig 2020-05-20 19:55 ` [PATCH 25/33] ipv6: add ip6_sock_set_v6only Christoph Hellwig 2020-05-20 19:55 ` [PATCH 26/33] ipv6: add ip6_sock_set_recverr Christoph Hellwig 2020-05-20 19:55 ` [PATCH 27/33] ipv6: add ip6_sock_set_addr_preferences Christoph Hellwig 2020-05-20 19:55 ` [PATCH 28/33] ipv6: add ip6_sock_set_recvpktinfo Christoph Hellwig 2020-05-20 19:55 ` [PATCH 29/33] rxrpc: add rxrpc_sock_set_min_security_level Christoph Hellwig 2020-05-20 19:55 ` [PATCH 30/33] tipc: call tsk_set_importance from tipc_topsrv_create_listener Christoph Hellwig 2020-05-20 19:55 ` [PATCH 31/33] sctp: add sctp_sock_set_nodelay Christoph Hellwig 2020-05-20 23:10 ` Marcelo Ricardo Leitner 2020-05-20 23:23 ` David Miller 2020-05-20 23:39 ` Marcelo Ricardo Leitner 2020-05-21 8:34 ` Christoph Hellwig 2020-05-21 9:06 ` David Laight 2020-05-21 9:08 ` 'Christoph Hellwig' 2020-05-21 13:33 ` Marcelo Ricardo Leitner 2020-05-21 13:57 ` Christoph Hellwig 2020-05-20 19:55 ` [PATCH 32/33] net: add a new bind_add method Christoph Hellwig 2020-05-20 23:00 ` Marcelo Ricardo Leitner 2020-05-21 8:42 ` Christoph Hellwig 2020-05-21 13:54 ` Marcelo Ricardo Leitner 2020-05-20 19:55 ` [PATCH 33/33] net: remove kernel_setsockopt Christoph Hellwig 2020-05-21 7:44 ` [PATCH 29/33] rxrpc: add rxrpc_sock_set_min_security_level David Howells 2020-05-21 8:01 ` remove kernel_setsockopt and kernel_getsockopt v2 David Laight 2020-05-21 9:11 ` 'Christoph Hellwig' 2020-05-21 10:46 ` David Laight 2020-05-23 7:23 ` Christoph Hellwig
Reply instructions: You may reply publicly to this message via plain-text email using any one of the following methods: * Save the following mbox file, import it into your mail client, and reply-to-all from there: mbox Avoid top-posting and favor interleaved quoting: https://en.wikipedia.org/wiki/Posting_style#Interleaved_style * Reply using the --to, --cc, and --in-reply-to switches of git-send-email(1): git send-email \ --in-reply-to=20200520195509.2215098-9-hch@lst.de \ --to=hch@lst.de \ --cc=ceph-devel@vger.kernel.org \ --cc=cluster-devel@redhat.com \ --cc=davem@davemloft.net \ --cc=drbd-dev@lists.linbit.com \ --cc=edumazet@google.com \ --cc=jmaloy@redhat.com \ --cc=kuba@kernel.org \ --cc=kuznet@ms2.inr.ac.ru \ --cc=linux-afs@lists.infradead.org \ --cc=linux-cifs@vger.kernel.org \ --cc=linux-kernel@vger.kernel.org \ --cc=linux-nfs@vger.kernel.org \ --cc=linux-nvme@lists.infradead.org \ --cc=linux-rdma@vger.kernel.org \ --cc=linux-sctp@vger.kernel.org \ --cc=marcelo.leitner@gmail.com \ --cc=netdev@vger.kernel.org \ --cc=nhorman@tuxdriver.com \ --cc=ocfs2-devel@oss.oracle.com \ --cc=rds-devel@oss.oracle.com \ --cc=target-devel@vger.kernel.org \ --cc=vyasevich@gmail.com \ --cc=ying.xue@windriver.com \ --cc=yoshfuji@linux-ipv6.org \ /path/to/YOUR_REPLY https://kernel.org/pub/software/scm/git/docs/git-send-email.html * If your mail client supports setting the In-Reply-To header via mailto: links, try the mailto: link
Linux-NVME Archive on lore.kernel.org Archives are clonable: git clone --mirror https://lore.kernel.org/linux-nvme/0 linux-nvme/git/0.git # If you have public-inbox 1.1+ installed, you may # initialize and index your mirror using the following commands: public-inbox-init -V2 linux-nvme linux-nvme/ https://lore.kernel.org/linux-nvme \ linux-nvme@lists.infradead.org public-inbox-index linux-nvme Example config snippet for mirrors Newsgroup available over NNTP: nntp://nntp.lore.kernel.org/org.infradead.lists.linux-nvme AGPL code for this site: git clone https://public-inbox.org/public-inbox.git