Messages in this thread | | | Subject | Re: [PATCH] Document the kernel_recvmsg() function | From | Eric Dumazet <> | Date | Thu, 09 Dec 2010 18:12:12 +0100 |
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Le jeudi 09 décembre 2010 à 17:17 +0100, Martin Lucina a écrit : > Hi, > > so, today we spent all day figuring out how the kernel_sendmsg() function > *actually* works. This patch adds some documentation to help the next poor > sod. >
Network patches should be sent to netdev@vger.kernel.org and David Miller, as mentioned in MAINTAINERS file :
NETWORKING [GENERAL] M: "David S. Miller" <davem@davemloft.net> L: netdev@vger.kernel.org W: http://www.linuxfoundation.org/en/Net W: http://patchwork.ozlabs.org/project/netdev/list/ T: git git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6.git T: git git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6.git S: Maintained F: net/ F: include/net/ F: include/linux/in.h F: include/linux/net.h F: include/linux/netdevice.h
> -mato > > From b29ccddeec4b782d710ffe34e0e5e4a0f5e9c24b Mon Sep 17 00:00:00 2001 > From: Martin Lucina <mato@kotelna.sk> > Date: Thu, 9 Dec 2010 17:11:18 +0100 > Subject: [PATCH] Document the kernel_recvmsg() function > > Signed-off-by: Martin Lucina <mato@kotelna.sk> > --- > net/socket.c | 15 +++++++++++++++ > 1 files changed, 15 insertions(+), 0 deletions(-) > > diff --git a/net/socket.c b/net/socket.c > index 3ca2fd9..b17333d 100644 > --- a/net/socket.c > +++ b/net/socket.c > @@ -732,6 +732,21 @@ static int sock_recvmsg_nosec(struct socket *sock, struct msghdr *msg, > return ret; > } > > +/** > + * kernel_recvmsg() - Receive a message from a socket (kernel space)
no need for ()
> + * @sock: The socket to receive the message from > + * @msg: Received message > + * @vec: Input s/g array for message data > + * @num: Size of input s/g array > + * @size: Number of bytes to read > + * @flags: Message flags (MSG_DONTWAIT, etc...) > + * > + * On return the msg structure contains the scatter/gather array passed in the > + * vec argument. The array is modified so that it consists of the unfilled > + * portion of the original array. > + * > + * The returned value is the total number of bytes received, or an error. > + */ > int kernel_recvmsg(struct socket *sock, struct msghdr *msg, > struct kvec *vec, size_t num, size_t size, int flags) > {
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