Latest lksctp-dev tree broke sctp_sendmsg()?

Latest lksctp-dev tree broke sctp_sendmsg()?

[Horacio Sanson]

I have a small echo server/client program for testing. It works in
linux kernel 2.6.22-14 (Ubuntu) but using the latest lksctp-dev tree
(from git) I get "invalid parameter" errors when calling
sctp_sendmsg().

Any directions are appreciated:

Horacio



###############
# server code
###############
#include <stdlib.h>
#include <stdio.h>
#include <strings.h>
#include <string.h>
#include <errno.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netinet/sctp.h>

#define MAXLINE     255
#define LISTENQ     1024
#define SERV_PORT   9879
#define BUFFSIZE    8192

int main(int arvc, char **argv)
{
    int sock_fd, msg_flags, ret;
    char readbuf[BUFFSIZE];

    struct sockaddr_in servaddr, cliaddr;
    struct sctp_sndrcvinfo sri;
    struct sctp_event_subscribe evnts;

    socklen_t len;
    size_t rd_sz;

    sock_fd = socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP);

    if(sock_fd < 0) {
        printf("socket creation error\n");
        perror("socket");
        exit(1);
    }

    bzero(&servaddr,sizeof(servaddr));
    servaddr.sin_family = AF_INET;
    servaddr.sin_addr.s_addr = htonl(INADDR_ANY);
    servaddr.sin_port = htons(SERV_PORT);

    bind(sock_fd, (struct sockaddr *) &servaddr, sizeof(servaddr));

    bzero(&evnts,sizeof(evnts));

    evnts.sctp_data_io_event = 1;
    ret = setsockopt(sock_fd, IPPROTO_SCTP, SCTP_EVENTS, &evnts, sizeof(evnts));

    if(ret < 0) {
        printf("error setting socket options\n");
        exit(1);
    }

    ret = listen(sock_fd, LISTENQ);

    if(ret < 0) {
        printf("error linstening socket\n");
        perror("listen");
        exit(1);
    }


    for(;;) {
        len = sizeof(struct sockaddr_in);
        rd_sz = sctp_recvmsg(sock_fd, readbuf, sizeof(readbuf),
                             (struct sockaddr *) &cliaddr, &len,
                              &sri, &msg_flags);

        if(rd_sz <= 0) {
            continue;
        }

        printf("From str:%d seq:%d (assoc:0x%x):",
               sri.sinfo_stream,sri.sinfo_ssn,
               (u_int)sri.sinfo_assoc_id);
        printf("%.*s\n",rd_sz,readbuf);

        sctp_sendmsg(sock_fd, readbuf, rd_sz, (struct sockaddr *)&cliaddr,
                     len, sri.sinfo_ppid, sri.sinfo_flags,sri.sinfo_stream,
                     0,0);
    }
}




###############
# client code
###############
#include <stdlib.h>
#include <stdio.h>
#include <strings.h>
#include <string.h>
#include <errno.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netinet/sctp.h>

#define MAXLINE     255
#define LISTENQ     1024
#define SERV_PORT   9879
#define BUFFSIZE    8192


int main(int argc, char **argv)
{
    int sock_fd, ret;
    struct sockaddr_in servaddr;
    struct sctp_sndrcvinfo sri;
    struct sctp_event_subscribe evnts;
    char sendline[MAXLINE], recvline[MAXLINE];
    socklen_t len;
    int wr_sz, rd_sz;
    int msg_flags;

    if(argc < 4) {
        printf("Usage: %s [server_ip] [strno] [message]\n",argv[0]);
        exit(1);
    }

    sock_fd = socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP);

    if(sock_fd < 0) {
        printf("socket creation error\n");
        exit(1);
    }

    bzero(&servaddr, sizeof(servaddr));
    servaddr.sin_family = AF_INET;
    servaddr.sin_addr.s_addr = htonl(INADDR_ANY);
    servaddr.sin_port = htons(SERV_PORT);

    ret = inet_pton(AF_INET, argv[1], &servaddr.sin_addr);
    if(ret < 0) {
        perror("inet_pton");
        exit(1);
    }

    bzero(&evnts, sizeof(evnts));
    evnts.sctp_data_io_event = 1;
    ret = setsockopt(sock_fd, IPPROTO_SCTP, SCTP_EVENTS, &evnts, sizeof(evnts));

    if(ret < 0) {
        printf("error setting socket options\n");
        exit(1);
    }

    len = sizeof(struct sockaddr_in);
    bzero(&sri, sizeof(sri));
    sri.sinfo_stream = strtol(argv[2],NULL,0);
    snprintf(sendline,MAXLINE,"%s",argv[3]);
    wr_sz = strlen(sendline);

    printf("Say str:%d  msg: %s\n",sri.sinfo_stream, sendline);

    ret = sctp_sendmsg(sock_fd, sendline, wr_sz, (struct sockaddr *) &servaddr,
                       len,0,0,sri.sinfo_stream,0,0);

    if(ret < 0) {
        perror("sctp_sendmsg");
        exit(1);
    }

    len = sizeof(servaddr);

    rd_sz = sctp_recvmsg(sock_fd, recvline, sizeof(recvline),
                         (struct sockaddr *)&servaddr, &len,
                          &sri,&msg_flags);

    if(rd_sz < 0) {
        perror("sctp_recvmsg");
        exit(1);
    }

    printf("echo str:%d seq:%d (assoc:0x%x):",
           sri.sinfo_stream,sri.sinfo_ssn,
           (u_int)sri.sinfo_assoc_id);
    printf("%.*s\n",rd_sz,recvline);

}

Re: Latest lksctp-dev tree broke sctp_sendmsg()?

[Neil Horman]

On Mon, Apr 21, 2008 at 06:31:57PM +0900, Horacio Sanson wrote:
> I have a small echo server/client program for testing. It works in
> linux kernel 2.6.22-14 (Ubuntu) but using the latest lksctp-dev tree
> (from git) I get "invalid parameter" errors when calling
> sctp_sendmsg().
> 
> Any directions are appreciated:
> 
> Horacio
> 
> 
There are several reasons that sctp_sendmsg may return EINVAL from the kernel,
but none of those reasons has changed in any real way in quite some time.  My
first guess would be that there is some incompatibility between the lastest
kernel and the version of lksctp-tools that implements sctp_sendmsg in userspace
for you on your system.  I'd recommend grabbing the latest lksctp-tools package
from upstream and trying to link your code against that before you go chasing
any real bugs.

Neil

> 
> ###############
> # server code
> ###############
> #include <stdlib.h>
> #include <stdio.h>
> #include <strings.h>
> #include <string.h>
> #include <errno.h>
> #include <sys/socket.h>
> #include <netinet/in.h>
> #include <netinet/sctp.h>
> 
> #define MAXLINE     255
> #define LISTENQ     1024
> #define SERV_PORT   9879
> #define BUFFSIZE    8192
> 
> int main(int arvc, char **argv)
> {
>     int sock_fd, msg_flags, ret;
>     char readbuf[BUFFSIZE];
> 
>     struct sockaddr_in servaddr, cliaddr;
>     struct sctp_sndrcvinfo sri;
>     struct sctp_event_subscribe evnts;
> 
>     socklen_t len;
>     size_t rd_sz;
> 
>     sock_fd = socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP);
> 
>     if(sock_fd < 0) {
>         printf("socket creation error\n");
>         perror("socket");
>         exit(1);
>     }
> 
>     bzero(&servaddr,sizeof(servaddr));
>     servaddr.sin_family = AF_INET;
>     servaddr.sin_addr.s_addr = htonl(INADDR_ANY);
>     servaddr.sin_port = htons(SERV_PORT);
> 
>     bind(sock_fd, (struct sockaddr *) &servaddr, sizeof(servaddr));
> 
>     bzero(&evnts,sizeof(evnts));
> 
>     evnts.sctp_data_io_event = 1;
>     ret = setsockopt(sock_fd, IPPROTO_SCTP, SCTP_EVENTS, &evnts, sizeof(evnts));
> 
>     if(ret < 0) {
>         printf("error setting socket options\n");
>         exit(1);
>     }
> 
>     ret = listen(sock_fd, LISTENQ);
> 
>     if(ret < 0) {
>         printf("error linstening socket\n");
>         perror("listen");
>         exit(1);
>     }
> 
> 
>     for(;;) {
>         len = sizeof(struct sockaddr_in);
>         rd_sz = sctp_recvmsg(sock_fd, readbuf, sizeof(readbuf),
>                              (struct sockaddr *) &cliaddr, &len,
>                               &sri, &msg_flags);
> 
>         if(rd_sz <= 0) {
>             continue;
>         }
> 
>         printf("From str:%d seq:%d (assoc:0x%x):",
>                sri.sinfo_stream,sri.sinfo_ssn,
>                (u_int)sri.sinfo_assoc_id);
>         printf("%.*s\n",rd_sz,readbuf);
> 
>         sctp_sendmsg(sock_fd, readbuf, rd_sz, (struct sockaddr *)&cliaddr,
>                      len, sri.sinfo_ppid, sri.sinfo_flags,sri.sinfo_stream,
>                      0,0);
>     }
> }
> 
> 
> 
> 
> ###############
> # client code
> ###############
> #include <stdlib.h>
> #include <stdio.h>
> #include <strings.h>
> #include <string.h>
> #include <errno.h>
> #include <sys/socket.h>
> #include <netinet/in.h>
> #include <netinet/sctp.h>
> 
> #define MAXLINE     255
> #define LISTENQ     1024
> #define SERV_PORT   9879
> #define BUFFSIZE    8192
> 
> 
> int main(int argc, char **argv)
> {
>     int sock_fd, ret;
>     struct sockaddr_in servaddr;
>     struct sctp_sndrcvinfo sri;
>     struct sctp_event_subscribe evnts;
>     char sendline[MAXLINE], recvline[MAXLINE];
>     socklen_t len;
>     int wr_sz, rd_sz;
>     int msg_flags;
> 
>     if(argc < 4) {
>         printf("Usage: %s [server_ip] [strno] [message]\n",argv[0]);
>         exit(1);
>     }
> 
>     sock_fd = socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP);
> 
>     if(sock_fd < 0) {
>         printf("socket creation error\n");
>         exit(1);
>     }
> 
>     bzero(&servaddr, sizeof(servaddr));
>     servaddr.sin_family = AF_INET;
>     servaddr.sin_addr.s_addr = htonl(INADDR_ANY);
>     servaddr.sin_port = htons(SERV_PORT);
> 
>     ret = inet_pton(AF_INET, argv[1], &servaddr.sin_addr);
>     if(ret < 0) {
>         perror("inet_pton");
>         exit(1);
>     }
> 
>     bzero(&evnts, sizeof(evnts));
>     evnts.sctp_data_io_event = 1;
>     ret = setsockopt(sock_fd, IPPROTO_SCTP, SCTP_EVENTS, &evnts, sizeof(evnts));
> 
>     if(ret < 0) {
>         printf("error setting socket options\n");
>         exit(1);
>     }
> 
>     len = sizeof(struct sockaddr_in);
>     bzero(&sri, sizeof(sri));
>     sri.sinfo_stream = strtol(argv[2],NULL,0);
>     snprintf(sendline,MAXLINE,"%s",argv[3]);
>     wr_sz = strlen(sendline);
> 
>     printf("Say str:%d  msg: %s\n",sri.sinfo_stream, sendline);
> 
>     ret = sctp_sendmsg(sock_fd, sendline, wr_sz, (struct sockaddr *) &servaddr,
>                        len,0,0,sri.sinfo_stream,0,0);
> 
>     if(ret < 0) {
>         perror("sctp_sendmsg");
>         exit(1);
>     }
> 
>     len = sizeof(servaddr);
> 
>     rd_sz = sctp_recvmsg(sock_fd, recvline, sizeof(recvline),
>                          (struct sockaddr *)&servaddr, &len,
>                           &sri,&msg_flags);
> 
>     if(rd_sz < 0) {
>         perror("sctp_recvmsg");
>         exit(1);
>     }
> 
>     printf("echo str:%d seq:%d (assoc:0x%x):",
>            sri.sinfo_stream,sri.sinfo_ssn,
>            (u_int)sri.sinfo_assoc_id);
>     printf("%.*s\n",rd_sz,recvline);
> 
> }
> --
> To unsubscribe from this list: send the line "unsubscribe linux-sctp" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at  http://vger.kernel.org/majordomo-info.html

-- 
/****************************************************
 * Neil Horman <nhorman@tuxdriver.com>
 * Software Engineer, Red Hat
 ****************************************************/

Re: Latest lksctp-dev tree broke sctp_sendmsg()?

[David Pascoe]

Is there some way to ask a running linux kernel which version of
lksctp-tools it needs ?

On 4/21/08, Neil Horman <nhorman@tuxdriver.com> wrote:
> On Mon, Apr 21, 2008 at 06:31:57PM +0900, Horacio Sanson wrote:
>  > I have a small echo server/client program for testing. It works in
>  > linux kernel 2.6.22-14 (Ubuntu) but using the latest lksctp-dev tree
>  > (from git) I get "invalid parameter" errors when calling
>  > sctp_sendmsg().
>  >
>  > Any directions are appreciated:
>  >
>  > Horacio
>

-- 
David Pascoe, pascoedj@gmail.com

Re: Latest lksctp-dev tree broke sctp_sendmsg()?

[Vlad Yasevich]

David Pascoe wrote:
> Is there some way to ask a running linux kernel which version of
> lksctp-tools it needs ?

No,  there currently isn't any version information in lksctp.
I've checked the tools history and there is nothing there that changed.

The older libraries should still work on the newer kernels

Let me take a look and see why there is an error.

-vlad

> 
> On 4/21/08, Neil Horman <nhorman@tuxdriver.com> wrote:
>> On Mon, Apr 21, 2008 at 06:31:57PM +0900, Horacio Sanson wrote:
>>  > I have a small echo server/client program for testing. It works in
>>  > linux kernel 2.6.22-14 (Ubuntu) but using the latest lksctp-dev tree
>>  > (from git) I get "invalid parameter" errors when calling
>>  > sctp_sendmsg().
>>  >
>>  > Any directions are appreciated:
>>  >
>>  > Horacio
>>
> 

Re: Latest lksctp-dev tree broke sctp_sendmsg()?

[Vlad Yasevich]

Hi Horacio

Horacio Sanson wrote:
> I have a small echo server/client program for testing. It works in
> linux kernel 2.6.22-14 (Ubuntu) but using the latest lksctp-dev tree
> (from git) I get "invalid parameter" errors when calling
> sctp_sendmsg().
> 
> Any directions are appreciated:

I just tried running this on the .git kernel with 1.0.6, 1.0.7, 1.0.8
libraries.  It worked in all cases.

The test was run over loopback with
 # client 127.0.0.1 9 "Stream 9"

If you are trying to use more then 10 streams (0 - 9), then you
need to tell lksctp that using SCTP_INITMSG socket option or ancillary
data.  This is what's most likely generating an error for you (at least
that did it for me).

-vlad

> 
> Horacio
> 
> 
> 
> ###############
> # server code
> ###############
> #include <stdlib.h>
> #include <stdio.h>
> #include <strings.h>
> #include <string.h>
> #include <errno.h>
> #include <sys/socket.h>
> #include <netinet/in.h>
> #include <netinet/sctp.h>
> 
> #define MAXLINE     255
> #define LISTENQ     1024
> #define SERV_PORT   9879
> #define BUFFSIZE    8192
> 
> int main(int arvc, char **argv)
> {
>     int sock_fd, msg_flags, ret;
>     char readbuf[BUFFSIZE];
> 
>     struct sockaddr_in servaddr, cliaddr;
>     struct sctp_sndrcvinfo sri;
>     struct sctp_event_subscribe evnts;
> 
>     socklen_t len;
>     size_t rd_sz;
> 
>     sock_fd = socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP);
> 
>     if(sock_fd < 0) {
>         printf("socket creation error\n");
>         perror("socket");
>         exit(1);
>     }
> 
>     bzero(&servaddr,sizeof(servaddr));
>     servaddr.sin_family = AF_INET;
>     servaddr.sin_addr.s_addr = htonl(INADDR_ANY);
>     servaddr.sin_port = htons(SERV_PORT);
> 
>     bind(sock_fd, (struct sockaddr *) &servaddr, sizeof(servaddr));
> 
>     bzero(&evnts,sizeof(evnts));
> 
>     evnts.sctp_data_io_event = 1;
>     ret = setsockopt(sock_fd, IPPROTO_SCTP, SCTP_EVENTS, &evnts, sizeof(evnts));
> 
>     if(ret < 0) {
>         printf("error setting socket options\n");
>         exit(1);
>     }
> 
>     ret = listen(sock_fd, LISTENQ);
> 
>     if(ret < 0) {
>         printf("error linstening socket\n");
>         perror("listen");
>         exit(1);
>     }
> 
> 
>     for(;;) {
>         len = sizeof(struct sockaddr_in);
>         rd_sz = sctp_recvmsg(sock_fd, readbuf, sizeof(readbuf),
>                              (struct sockaddr *) &cliaddr, &len,
>                               &sri, &msg_flags);
> 
>         if(rd_sz <= 0) {
>             continue;
>         }
> 
>         printf("From str:%d seq:%d (assoc:0x%x):",
>                sri.sinfo_stream,sri.sinfo_ssn,
>                (u_int)sri.sinfo_assoc_id);
>         printf("%.*s\n",rd_sz,readbuf);
> 
>         sctp_sendmsg(sock_fd, readbuf, rd_sz, (struct sockaddr *)&cliaddr,
>                      len, sri.sinfo_ppid, sri.sinfo_flags,sri.sinfo_stream,
>                      0,0);
>     }
> }
> 
> 
> 
> 
> ###############
> # client code
> ###############
> #include <stdlib.h>
> #include <stdio.h>
> #include <strings.h>
> #include <string.h>
> #include <errno.h>
> #include <sys/socket.h>
> #include <netinet/in.h>
> #include <netinet/sctp.h>
> 
> #define MAXLINE     255
> #define LISTENQ     1024
> #define SERV_PORT   9879
> #define BUFFSIZE    8192
> 
> 
> int main(int argc, char **argv)
> {
>     int sock_fd, ret;
>     struct sockaddr_in servaddr;
>     struct sctp_sndrcvinfo sri;
>     struct sctp_event_subscribe evnts;
>     char sendline[MAXLINE], recvline[MAXLINE];
>     socklen_t len;
>     int wr_sz, rd_sz;
>     int msg_flags;
> 
>     if(argc < 4) {
>         printf("Usage: %s [server_ip] [strno] [message]\n",argv[0]);
>         exit(1);
>     }
> 
>     sock_fd = socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP);
> 
>     if(sock_fd < 0) {
>         printf("socket creation error\n");
>         exit(1);
>     }
> 
>     bzero(&servaddr, sizeof(servaddr));
>     servaddr.sin_family = AF_INET;
>     servaddr.sin_addr.s_addr = htonl(INADDR_ANY);
>     servaddr.sin_port = htons(SERV_PORT);
> 
>     ret = inet_pton(AF_INET, argv[1], &servaddr.sin_addr);
>     if(ret < 0) {
>         perror("inet_pton");
>         exit(1);
>     }
> 
>     bzero(&evnts, sizeof(evnts));
>     evnts.sctp_data_io_event = 1;
>     ret = setsockopt(sock_fd, IPPROTO_SCTP, SCTP_EVENTS, &evnts, sizeof(evnts));
> 
>     if(ret < 0) {
>         printf("error setting socket options\n");
>         exit(1);
>     }
> 
>     len = sizeof(struct sockaddr_in);
>     bzero(&sri, sizeof(sri));
>     sri.sinfo_stream = strtol(argv[2],NULL,0);
>     snprintf(sendline,MAXLINE,"%s",argv[3]);
>     wr_sz = strlen(sendline);
> 
>     printf("Say str:%d  msg: %s\n",sri.sinfo_stream, sendline);
> 
>     ret = sctp_sendmsg(sock_fd, sendline, wr_sz, (struct sockaddr *) &servaddr,
>                        len,0,0,sri.sinfo_stream,0,0);
> 
>     if(ret < 0) {
>         perror("sctp_sendmsg");
>         exit(1);
>     }
> 
>     len = sizeof(servaddr);
> 
>     rd_sz = sctp_recvmsg(sock_fd, recvline, sizeof(recvline),
>                          (struct sockaddr *)&servaddr, &len,
>                           &sri,&msg_flags);
> 
>     if(rd_sz < 0) {
>         perror("sctp_recvmsg");
>         exit(1);
>     }
> 
>     printf("echo str:%d seq:%d (assoc:0x%x):",
>            sri.sinfo_stream,sri.sinfo_ssn,
>            (u_int)sri.sinfo_assoc_id);
>     printf("%.*s\n",rd_sz,recvline);
> 
> }
> --
> To unsubscribe from this list: send the line "unsubscribe linux-sctp" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at  http://vger.kernel.org/majordomo-info.html
> 

Re: Latest lksctp-dev tree broke sctp_sendmsg()?

[Horacio Sanson]

Thanks for the replies,

On Tue, Apr 22, 2008 at 12:10 AM, Vlad Yasevich
<vladislav.yasevich@hp.com> wrote:
> Hi Horacio
>
>
>  Horacio Sanson wrote:
>
> > I have a small echo server/client program for testing. It works in
> > linux kernel 2.6.22-14 (Ubuntu) but using the latest lksctp-dev tree
> > (from git) I get "invalid parameter" errors when calling
> > sctp_sendmsg().
> >
> > Any directions are appreciated:
> >
>
>  I just tried running this on the .git kernel with 1.0.6, 1.0.7, 1.0.8
>  libraries.  It worked in all cases.
>

Indeed running the code using sctp-tools 1.0.8 in kernel 2.6.22 works
flawlessly. But with the latest kernel from git (2.6.25-rc8) it does
not work. It gives me "invalid parameter" errors when calling
sctp_sendmsg().

I am no good at kernel development, but any tips on how to debug this
are appreciated.

regards,
Horacio

>  The test was run over loopback with
>  # client 127.0.0.1 9 "Stream 9"
>
>  If you are trying to use more then 10 streams (0 - 9), then you
>  need to tell lksctp that using SCTP_INITMSG socket option or ancillary
>  data.  This is what's most likely generating an error for you (at least
>  that did it for me).
>
>  -vlad
>
>
> >
> >
> >
> >
> > Horacio
> >
> >
> >
> > ###############
> > # server code
> > ###############
> > #include <stdlib.h>
> > #include <stdio.h>
> > #include <strings.h>
> > #include <string.h>
> > #include <errno.h>
> > #include <sys/socket.h>
> > #include <netinet/in.h>
> > #include <netinet/sctp.h>
> >
> > #define MAXLINE     255
> > #define LISTENQ     1024
> > #define SERV_PORT   9879
> > #define BUFFSIZE    8192
> >
> > int main(int arvc, char **argv)
> > {
> >    int sock_fd, msg_flags, ret;
> >    char readbuf[BUFFSIZE];
> >
> >    struct sockaddr_in servaddr, cliaddr;
> >    struct sctp_sndrcvinfo sri;
> >    struct sctp_event_subscribe evnts;
> >
> >    socklen_t len;
> >    size_t rd_sz;
> >
> >    sock_fd = socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP);
> >
> >    if(sock_fd < 0) {
> >        printf("socket creation error\n");
> >        perror("socket");
> >        exit(1);
> >    }
> >
> >    bzero(&servaddr,sizeof(servaddr));
> >    servaddr.sin_family = AF_INET;
> >    servaddr.sin_addr.s_addr = htonl(INADDR_ANY);
> >    servaddr.sin_port = htons(SERV_PORT);
> >
> >    bind(sock_fd, (struct sockaddr *) &servaddr, sizeof(servaddr));
> >
> >    bzero(&evnts,sizeof(evnts));
> >
> >    evnts.sctp_data_io_event = 1;
> >    ret = setsockopt(sock_fd, IPPROTO_SCTP, SCTP_EVENTS, &evnts,
> sizeof(evnts));
> >
> >    if(ret < 0) {
> >        printf("error setting socket options\n");
> >        exit(1);
> >    }
> >
> >    ret = listen(sock_fd, LISTENQ);
> >
> >    if(ret < 0) {
> >        printf("error linstening socket\n");
> >        perror("listen");
> >        exit(1);
> >    }
> >
> >
> >    for(;;) {
> >        len = sizeof(struct sockaddr_in);
> >        rd_sz = sctp_recvmsg(sock_fd, readbuf, sizeof(readbuf),
> >                             (struct sockaddr *) &cliaddr, &len,
> >                              &sri, &msg_flags);
> >
> >        if(rd_sz <= 0) {
> >            continue;
> >        }
> >
> >        printf("From str:%d seq:%d (assoc:0x%x):",
> >               sri.sinfo_stream,sri.sinfo_ssn,
> >               (u_int)sri.sinfo_assoc_id);
> >        printf("%.*s\n",rd_sz,readbuf);
> >
> >        sctp_sendmsg(sock_fd, readbuf, rd_sz, (struct sockaddr *)&cliaddr,
> >                     len, sri.sinfo_ppid, sri.sinfo_flags,sri.sinfo_stream,
> >                     0,0);
> >    }
> > }
> >
> >
> >
> >
> > ###############
> > # client code
> > ###############
> > #include <stdlib.h>
> > #include <stdio.h>
> > #include <strings.h>
> > #include <string.h>
> > #include <errno.h>
> > #include <sys/socket.h>
> > #include <netinet/in.h>
> > #include <netinet/sctp.h>
> >
> > #define MAXLINE     255
> > #define LISTENQ     1024
> > #define SERV_PORT   9879
> > #define BUFFSIZE    8192
> >
> >
> > int main(int argc, char **argv)
> > {
> >    int sock_fd, ret;
> >    struct sockaddr_in servaddr;
> >    struct sctp_sndrcvinfo sri;
> >    struct sctp_event_subscribe evnts;
> >    char sendline[MAXLINE], recvline[MAXLINE];
> >    socklen_t len;
> >    int wr_sz, rd_sz;
> >    int msg_flags;
> >
> >    if(argc < 4) {
> >        printf("Usage: %s [server_ip] [strno] [message]\n",argv[0]);
> >        exit(1);
> >    }
> >
> >    sock_fd = socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP);
> >
> >    if(sock_fd < 0) {
> >        printf("socket creation error\n");
> >        exit(1);
> >    }
> >
> >    bzero(&servaddr, sizeof(servaddr));
> >    servaddr.sin_family = AF_INET;
> >    servaddr.sin_addr.s_addr = htonl(INADDR_ANY);
> >    servaddr.sin_port = htons(SERV_PORT);
> >
> >    ret = inet_pton(AF_INET, argv[1], &servaddr.sin_addr);
> >    if(ret < 0) {
> >        perror("inet_pton");
> >        exit(1);
> >    }
> >
> >    bzero(&evnts, sizeof(evnts));
> >    evnts.sctp_data_io_event = 1;
> >    ret = setsockopt(sock_fd, IPPROTO_SCTP, SCTP_EVENTS, &evnts,
> sizeof(evnts));
> >
> >    if(ret < 0) {
> >        printf("error setting socket options\n");
> >        exit(1);
> >    }
> >
> >    len = sizeof(struct sockaddr_in);
> >    bzero(&sri, sizeof(sri));
> >    sri.sinfo_stream = strtol(argv[2],NULL,0);
> >    snprintf(sendline,MAXLINE,"%s",argv[3]);
> >    wr_sz = strlen(sendline);
> >
> >    printf("Say str:%d  msg: %s\n",sri.sinfo_stream, sendline);
> >
> >    ret = sctp_sendmsg(sock_fd, sendline, wr_sz, (struct sockaddr *)
> &servaddr,
> >                       len,0,0,sri.sinfo_stream,0,0);
> >
> >    if(ret < 0) {
> >        perror("sctp_sendmsg");
> >        exit(1);
> >    }
> >
> >    len = sizeof(servaddr);
> >
> >    rd_sz = sctp_recvmsg(sock_fd, recvline, sizeof(recvline),
> >                         (struct sockaddr *)&servaddr, &len,
> >                          &sri,&msg_flags);
> >
> >    if(rd_sz < 0) {
> >        perror("sctp_recvmsg");
> >        exit(1);
> >    }
> >
> >    printf("echo str:%d seq:%d (assoc:0x%x):",
> >           sri.sinfo_stream,sri.sinfo_ssn,
> >           (u_int)sri.sinfo_assoc_id);
> >    printf("%.*s\n",rd_sz,recvline);
> >
> > }
> >
> > --
> > To unsubscribe from this list: send the line "unsubscribe linux-sctp" in
> > the body of a message to majordomo@vger.kernel.org
> > More majordomo info at  http://vger.kernel.org/majordomo-info.html
> >
> >
>
>

Re: Latest lksctp-dev tree broke sctp_sendmsg()?

[Neil Horman]

On Tue, Apr 22, 2008 at 09:36:59AM +0900, Horacio Sanson wrote:
> Thanks for the replies,
> 
> On Tue, Apr 22, 2008 at 12:10 AM, Vlad Yasevich
> <vladislav.yasevich@hp.com> wrote:
> > Hi Horacio
> >
> >
> >  Horacio Sanson wrote:
> >
> > > I have a small echo server/client program for testing. It works in
> > > linux kernel 2.6.22-14 (Ubuntu) but using the latest lksctp-dev tree
> > > (from git) I get "invalid parameter" errors when calling
> > > sctp_sendmsg().
> > >
> > > Any directions are appreciated:
> > >
> >
> >  I just tried running this on the .git kernel with 1.0.6, 1.0.7, 1.0.8
> >  libraries.  It worked in all cases.
> >
> 
> Indeed running the code using sctp-tools 1.0.8 in kernel 2.6.22 works
> flawlessly. But with the latest kernel from git (2.6.25-rc8) it does
> not work. It gives me "invalid parameter" errors when calling
> sctp_sendmsg().
> 
Are you using the sctp-tools packaged by ubuntu, or building them yourself?  I
wouldn't  think this to be the case, but its possible that the maintainer at
ubuntu included a patch unique to their distro's sctp-tools thats breaking your
setup.  I'd check their packaging metadata for something like that.

Neil


> I am no good at kernel development, but any tips on how to debug this
> are appreciated.
> 
> regards,
> Horacio
> 
> >  The test was run over loopback with
> >  # client 127.0.0.1 9 "Stream 9"
> >
> >  If you are trying to use more then 10 streams (0 - 9), then you
> >  need to tell lksctp that using SCTP_INITMSG socket option or ancillary
> >  data.  This is what's most likely generating an error for you (at least
> >  that did it for me).
> >
> >  -vlad
> >
> >
> > >
> > >
> > >
> > >
> > > Horacio
> > >
> > >
> > >
> > > ###############
> > > # server code
> > > ###############
> > > #include <stdlib.h>
> > > #include <stdio.h>
> > > #include <strings.h>
> > > #include <string.h>
> > > #include <errno.h>
> > > #include <sys/socket.h>
> > > #include <netinet/in.h>
> > > #include <netinet/sctp.h>
> > >
> > > #define MAXLINE     255
> > > #define LISTENQ     1024
> > > #define SERV_PORT   9879
> > > #define BUFFSIZE    8192
> > >
> > > int main(int arvc, char **argv)
> > > {
> > >    int sock_fd, msg_flags, ret;
> > >    char readbuf[BUFFSIZE];
> > >
> > >    struct sockaddr_in servaddr, cliaddr;
> > >    struct sctp_sndrcvinfo sri;
> > >    struct sctp_event_subscribe evnts;
> > >
> > >    socklen_t len;
> > >    size_t rd_sz;
> > >
> > >    sock_fd = socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP);
> > >
> > >    if(sock_fd < 0) {
> > >        printf("socket creation error\n");
> > >        perror("socket");
> > >        exit(1);
> > >    }
> > >
> > >    bzero(&servaddr,sizeof(servaddr));
> > >    servaddr.sin_family = AF_INET;
> > >    servaddr.sin_addr.s_addr = htonl(INADDR_ANY);
> > >    servaddr.sin_port = htons(SERV_PORT);
> > >
> > >    bind(sock_fd, (struct sockaddr *) &servaddr, sizeof(servaddr));
> > >
> > >    bzero(&evnts,sizeof(evnts));
> > >
> > >    evnts.sctp_data_io_event = 1;
> > >    ret = setsockopt(sock_fd, IPPROTO_SCTP, SCTP_EVENTS, &evnts,
> > sizeof(evnts));
> > >
> > >    if(ret < 0) {
> > >        printf("error setting socket options\n");
> > >        exit(1);
> > >    }
> > >
> > >    ret = listen(sock_fd, LISTENQ);
> > >
> > >    if(ret < 0) {
> > >        printf("error linstening socket\n");
> > >        perror("listen");
> > >        exit(1);
> > >    }
> > >
> > >
> > >    for(;;) {
> > >        len = sizeof(struct sockaddr_in);
> > >        rd_sz = sctp_recvmsg(sock_fd, readbuf, sizeof(readbuf),
> > >                             (struct sockaddr *) &cliaddr, &len,
> > >                              &sri, &msg_flags);
> > >
> > >        if(rd_sz <= 0) {
> > >            continue;
> > >        }
> > >
> > >        printf("From str:%d seq:%d (assoc:0x%x):",
> > >               sri.sinfo_stream,sri.sinfo_ssn,
> > >               (u_int)sri.sinfo_assoc_id);
> > >        printf("%.*s\n",rd_sz,readbuf);
> > >
> > >        sctp_sendmsg(sock_fd, readbuf, rd_sz, (struct sockaddr *)&cliaddr,
> > >                     len, sri.sinfo_ppid, sri.sinfo_flags,sri.sinfo_stream,
> > >                     0,0);
> > >    }
> > > }
> > >
> > >
> > >
> > >
> > > ###############
> > > # client code
> > > ###############
> > > #include <stdlib.h>
> > > #include <stdio.h>
> > > #include <strings.h>
> > > #include <string.h>
> > > #include <errno.h>
> > > #include <sys/socket.h>
> > > #include <netinet/in.h>
> > > #include <netinet/sctp.h>
> > >
> > > #define MAXLINE     255
> > > #define LISTENQ     1024
> > > #define SERV_PORT   9879
> > > #define BUFFSIZE    8192
> > >
> > >
> > > int main(int argc, char **argv)
> > > {
> > >    int sock_fd, ret;
> > >    struct sockaddr_in servaddr;
> > >    struct sctp_sndrcvinfo sri;
> > >    struct sctp_event_subscribe evnts;
> > >    char sendline[MAXLINE], recvline[MAXLINE];
> > >    socklen_t len;
> > >    int wr_sz, rd_sz;
> > >    int msg_flags;
> > >
> > >    if(argc < 4) {
> > >        printf("Usage: %s [server_ip] [strno] [message]\n",argv[0]);
> > >        exit(1);
> > >    }
> > >
> > >    sock_fd = socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP);
> > >
> > >    if(sock_fd < 0) {
> > >        printf("socket creation error\n");
> > >        exit(1);
> > >    }
> > >
> > >    bzero(&servaddr, sizeof(servaddr));
> > >    servaddr.sin_family = AF_INET;
> > >    servaddr.sin_addr.s_addr = htonl(INADDR_ANY);
> > >    servaddr.sin_port = htons(SERV_PORT);
> > >
> > >    ret = inet_pton(AF_INET, argv[1], &servaddr.sin_addr);
> > >    if(ret < 0) {
> > >        perror("inet_pton");
> > >        exit(1);
> > >    }
> > >
> > >    bzero(&evnts, sizeof(evnts));
> > >    evnts.sctp_data_io_event = 1;
> > >    ret = setsockopt(sock_fd, IPPROTO_SCTP, SCTP_EVENTS, &evnts,
> > sizeof(evnts));
> > >
> > >    if(ret < 0) {
> > >        printf("error setting socket options\n");
> > >        exit(1);
> > >    }
> > >
> > >    len = sizeof(struct sockaddr_in);
> > >    bzero(&sri, sizeof(sri));
> > >    sri.sinfo_stream = strtol(argv[2],NULL,0);
> > >    snprintf(sendline,MAXLINE,"%s",argv[3]);
> > >    wr_sz = strlen(sendline);
> > >
> > >    printf("Say str:%d  msg: %s\n",sri.sinfo_stream, sendline);
> > >
> > >    ret = sctp_sendmsg(sock_fd, sendline, wr_sz, (struct sockaddr *)
> > &servaddr,
> > >                       len,0,0,sri.sinfo_stream,0,0);
> > >
> > >    if(ret < 0) {
> > >        perror("sctp_sendmsg");
> > >        exit(1);
> > >    }
> > >
> > >    len = sizeof(servaddr);
> > >
> > >    rd_sz = sctp_recvmsg(sock_fd, recvline, sizeof(recvline),
> > >                         (struct sockaddr *)&servaddr, &len,
> > >                          &sri,&msg_flags);
> > >
> > >    if(rd_sz < 0) {
> > >        perror("sctp_recvmsg");
> > >        exit(1);
> > >    }
> > >
> > >    printf("echo str:%d seq:%d (assoc:0x%x):",
> > >           sri.sinfo_stream,sri.sinfo_ssn,
> > >           (u_int)sri.sinfo_assoc_id);
> > >    printf("%.*s\n",rd_sz,recvline);
> > >
> > > }
> > >
> > > --
> > > To unsubscribe from this list: send the line "unsubscribe linux-sctp" in
> > > the body of a message to majordomo@vger.kernel.org
> > > More majordomo info at  http://vger.kernel.org/majordomo-info.html
> > >
> > >
> >
> >
> --
> To unsubscribe from this list: send the line "unsubscribe linux-sctp" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at  http://vger.kernel.org/majordomo-info.html

-- 
/****************************************************
 * Neil Horman <nhorman@tuxdriver.com>
 * Software Engineer, Red Hat
 ****************************************************/

Re: Latest lksctp-dev tree broke sctp_sendmsg()?

[Horacio Sanson]

On Tue, Apr 22, 2008 at 10:00 PM, Neil Horman <nhorman@tuxdriver.com> wrote:
> On Tue, Apr 22, 2008 at 09:36:59AM +0900, Horacio Sanson wrote:
>  > Thanks for the replies,
>  >
>  > On Tue, Apr 22, 2008 at 12:10 AM, Vlad Yasevich
>  > <vladislav.yasevich@hp.com> wrote:
>  > > Hi Horacio
>  > >
>  > >
>  > >  Horacio Sanson wrote:
>  > >
>  > > > I have a small echo server/client program for testing. It works in
>  > > > linux kernel 2.6.22-14 (Ubuntu) but using the latest lksctp-dev tree
>  > > > (from git) I get "invalid parameter" errors when calling
>  > > > sctp_sendmsg().
>  > > >
>  > > > Any directions are appreciated:
>  > > >
>  > >
>  > >  I just tried running this on the .git kernel with 1.0.6, 1.0.7, 1.0.8
>  > >  libraries.  It worked in all cases.
>  > >
>  >
>  > Indeed running the code using sctp-tools 1.0.8 in kernel 2.6.22 works
>  > flawlessly. But with the latest kernel from git (2.6.25-rc8) it does
>  > not work. It gives me "invalid parameter" errors when calling
>  > sctp_sendmsg().
>  >
>  Are you using the sctp-tools packaged by ubuntu, or building them yourself?  I
>  wouldn't  think this to be the case, but its possible that the maintainer at
>  ubuntu included a patch unique to their distro's sctp-tools thats breaking your
>  setup.  I'd check their packaging metadata for something like that.
>
>  Neil
>
>

I am using the lksctp-dev kernel and the lksctp-tools both up to date
from git repository. I also checked that the only libsctp library I
have is the one from git and made sure to load the sctp kernel
modules.

I must mention that this program worked fine before with kernel
2.6.25-rc3 but after a recent update of lksctp-dev to 2.6.25-rc8  a
few days ago it started failing.....

For now I will keep working with the 2.6.22 kernel.

thanks
Horacio
>
>
>  > I am no good at kernel development, but any tips on how to debug this
>  > are appreciated.
>  >
>  > regards,
>  > Horacio
>  >
>  > >  The test was run over loopback with
>  > >  # client 127.0.0.1 9 "Stream 9"
>  > >
>  > >  If you are trying to use more then 10 streams (0 - 9), then you
>  > >  need to tell lksctp that using SCTP_INITMSG socket option or ancillary
>  > >  data.  This is what's most likely generating an error for you (at least
>  > >  that did it for me).
>  > >
>  > >  -vlad
>  > >
>  > >
>  > > >
>  > > >
>  > > >
>  > > >
>  > > > Horacio
>  > > >
>  > > >
>  > > >
>  > > > ###############
>  > > > # server code
>  > > > ###############
>  > > > #include <stdlib.h>
>  > > > #include <stdio.h>
>  > > > #include <strings.h>
>  > > > #include <string.h>
>  > > > #include <errno.h>
>  > > > #include <sys/socket.h>
>  > > > #include <netinet/in.h>
>  > > > #include <netinet/sctp.h>
>  > > >
>  > > > #define MAXLINE     255
>  > > > #define LISTENQ     1024
>  > > > #define SERV_PORT   9879
>  > > > #define BUFFSIZE    8192
>  > > >
>  > > > int main(int arvc, char **argv)
>  > > > {
>  > > >    int sock_fd, msg_flags, ret;
>  > > >    char readbuf[BUFFSIZE];
>  > > >
>  > > >    struct sockaddr_in servaddr, cliaddr;
>  > > >    struct sctp_sndrcvinfo sri;
>  > > >    struct sctp_event_subscribe evnts;
>  > > >
>  > > >    socklen_t len;
>  > > >    size_t rd_sz;
>  > > >
>  > > >    sock_fd = socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP);
>  > > >
>  > > >    if(sock_fd < 0) {
>  > > >        printf("socket creation error\n");
>  > > >        perror("socket");
>  > > >        exit(1);
>  > > >    }
>  > > >
>  > > >    bzero(&servaddr,sizeof(servaddr));
>  > > >    servaddr.sin_family = AF_INET;
>  > > >    servaddr.sin_addr.s_addr = htonl(INADDR_ANY);
>  > > >    servaddr.sin_port = htons(SERV_PORT);
>  > > >
>  > > >    bind(sock_fd, (struct sockaddr *) &servaddr, sizeof(servaddr));
>  > > >
>  > > >    bzero(&evnts,sizeof(evnts));
>  > > >
>  > > >    evnts.sctp_data_io_event = 1;
>  > > >    ret = setsockopt(sock_fd, IPPROTO_SCTP, SCTP_EVENTS, &evnts,
>  > > sizeof(evnts));
>  > > >
>  > > >    if(ret < 0) {
>  > > >        printf("error setting socket options\n");
>  > > >        exit(1);
>  > > >    }
>  > > >
>  > > >    ret = listen(sock_fd, LISTENQ);
>  > > >
>  > > >    if(ret < 0) {
>  > > >        printf("error linstening socket\n");
>  > > >        perror("listen");
>  > > >        exit(1);
>  > > >    }
>  > > >
>  > > >
>  > > >    for(;;) {
>  > > >        len = sizeof(struct sockaddr_in);
>  > > >        rd_sz = sctp_recvmsg(sock_fd, readbuf, sizeof(readbuf),
>  > > >                             (struct sockaddr *) &cliaddr, &len,
>  > > >                              &sri, &msg_flags);
>  > > >
>  > > >        if(rd_sz <= 0) {
>  > > >            continue;
>  > > >        }
>  > > >
>  > > >        printf("From str:%d seq:%d (assoc:0x%x):",
>  > > >               sri.sinfo_stream,sri.sinfo_ssn,
>  > > >               (u_int)sri.sinfo_assoc_id);
>  > > >        printf("%.*s\n",rd_sz,readbuf);
>  > > >
>  > > >        sctp_sendmsg(sock_fd, readbuf, rd_sz, (struct sockaddr *)&cliaddr,
>  > > >                     len, sri.sinfo_ppid, sri.sinfo_flags,sri.sinfo_stream,
>  > > >                     0,0);
>  > > >    }
>  > > > }
>  > > >
>  > > >
>  > > >
>  > > >
>  > > > ###############
>  > > > # client code
>  > > > ###############
>  > > > #include <stdlib.h>
>  > > > #include <stdio.h>
>  > > > #include <strings.h>
>  > > > #include <string.h>
>  > > > #include <errno.h>
>  > > > #include <sys/socket.h>
>  > > > #include <netinet/in.h>
>  > > > #include <netinet/sctp.h>
>  > > >
>  > > > #define MAXLINE     255
>  > > > #define LISTENQ     1024
>  > > > #define SERV_PORT   9879
>  > > > #define BUFFSIZE    8192
>  > > >
>  > > >
>  > > > int main(int argc, char **argv)
>  > > > {
>  > > >    int sock_fd, ret;
>  > > >    struct sockaddr_in servaddr;
>  > > >    struct sctp_sndrcvinfo sri;
>  > > >    struct sctp_event_subscribe evnts;
>  > > >    char sendline[MAXLINE], recvline[MAXLINE];
>  > > >    socklen_t len;
>  > > >    int wr_sz, rd_sz;
>  > > >    int msg_flags;
>  > > >
>  > > >    if(argc < 4) {
>  > > >        printf("Usage: %s [server_ip] [strno] [message]\n",argv[0]);
>  > > >        exit(1);
>  > > >    }
>  > > >
>  > > >    sock_fd = socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP);
>  > > >
>  > > >    if(sock_fd < 0) {
>  > > >        printf("socket creation error\n");
>  > > >        exit(1);
>  > > >    }
>  > > >
>  > > >    bzero(&servaddr, sizeof(servaddr));
>  > > >    servaddr.sin_family = AF_INET;
>  > > >    servaddr.sin_addr.s_addr = htonl(INADDR_ANY);
>  > > >    servaddr.sin_port = htons(SERV_PORT);
>  > > >
>  > > >    ret = inet_pton(AF_INET, argv[1], &servaddr.sin_addr);
>  > > >    if(ret < 0) {
>  > > >        perror("inet_pton");
>  > > >        exit(1);
>  > > >    }
>  > > >
>  > > >    bzero(&evnts, sizeof(evnts));
>  > > >    evnts.sctp_data_io_event = 1;
>  > > >    ret = setsockopt(sock_fd, IPPROTO_SCTP, SCTP_EVENTS, &evnts,
>  > > sizeof(evnts));
>  > > >
>  > > >    if(ret < 0) {
>  > > >        printf("error setting socket options\n");
>  > > >        exit(1);
>  > > >    }
>  > > >
>  > > >    len = sizeof(struct sockaddr_in);
>  > > >    bzero(&sri, sizeof(sri));
>  > > >    sri.sinfo_stream = strtol(argv[2],NULL,0);
>  > > >    snprintf(sendline,MAXLINE,"%s",argv[3]);
>  > > >    wr_sz = strlen(sendline);
>  > > >
>  > > >    printf("Say str:%d  msg: %s\n",sri.sinfo_stream, sendline);
>  > > >
>  > > >    ret = sctp_sendmsg(sock_fd, sendline, wr_sz, (struct sockaddr *)
>  > > &servaddr,
>  > > >                       len,0,0,sri.sinfo_stream,0,0);
>  > > >
>  > > >    if(ret < 0) {
>  > > >        perror("sctp_sendmsg");
>  > > >        exit(1);
>  > > >    }
>  > > >
>  > > >    len = sizeof(servaddr);
>  > > >
>  > > >    rd_sz = sctp_recvmsg(sock_fd, recvline, sizeof(recvline),
>  > > >                         (struct sockaddr *)&servaddr, &len,
>  > > >                          &sri,&msg_flags);
>  > > >
>  > > >    if(rd_sz < 0) {
>  > > >        perror("sctp_recvmsg");
>  > > >        exit(1);
>  > > >    }
>  > > >
>  > > >    printf("echo str:%d seq:%d (assoc:0x%x):",
>  > > >           sri.sinfo_stream,sri.sinfo_ssn,
>  > > >           (u_int)sri.sinfo_assoc_id);
>  > > >    printf("%.*s\n",rd_sz,recvline);
>  > > >
>  > > > }
>  > > >
>  > > > --
>  > > > To unsubscribe from this list: send the line "unsubscribe linux-sctp" in
>  > > > the body of a message to majordomo@vger.kernel.org
>  > > > More majordomo info at  http://vger.kernel.org/majordomo-info.html
>  > > >
>  > > >
>  > >
>  > >
>  > --
>  > To unsubscribe from this list: send the line "unsubscribe linux-sctp" in
>  > the body of a message to majordomo@vger.kernel.org
>  > More majordomo info at  http://vger.kernel.org/majordomo-info.html
>
>  --
>  /****************************************************
>
>  * Neil Horman <nhorman@tuxdriver.com>
>   * Software Engineer, Red Hat
>   ****************************************************/
>

Re: Latest lksctp-dev tree broke sctp_sendmsg()?

[Vlad Yasevich]

Horacio Sanson wrote:
 
> I am using the lksctp-dev kernel and the lksctp-tools both up to date
> from git repository. I also checked that the only libsctp library I
> have is the one from git and made sure to load the sctp kernel
> modules.
> 
> I must mention that this program worked fine before with kernel
> 2.6.25-rc3 but after a recent update of lksctp-dev to 2.6.25-rc8  a
> few days ago it started failing.....
> 
> For now I will keep working with the 2.6.22 kernel.
> 

would you be able to do a bisect?

# git-bisect start 
# git-bisect bad
# git-bisect good v2.6.24-rc3


I'd do it if I could reproduce the problem.

Thanks
-vlad

Re: Latest lksctp-dev tree broke sctp_sendmsg()?

[Horacio Sanson]

On Wed, Apr 23, 2008 at 12:00 AM, Vlad Yasevich
<vladislav.yasevich@hp.com> wrote:
> Horacio Sanson wrote:
>
>
> > I am using the lksctp-dev kernel and the lksctp-tools both up to date
> > from git repository. I also checked that the only libsctp library I
> > have is the one from git and made sure to load the sctp kernel
> > modules.
> >
> > I must mention that this program worked fine before with kernel
> > 2.6.25-rc3 but after a recent update of lksctp-dev to 2.6.25-rc8  a
> > few days ago it started failing.....
> >
> > For now I will keep working with the 2.6.22 kernel.
> >
> >
>
>  would you be able to do a bisect?
>
>  # git-bisect start # git-bisect bad
>  # git-bisect good v2.6.24-rc3
>

Sorry I completely removed the git repository tree and did a new
clone. Now everything is working fine with the latest kernel
2.6.25-rc8.

thanks for the help
Horacio

>
>  I'd do it if I could reproduce the problem.
>
>  Thanks
>  -vlad
>

Re: Latest lksctp-dev tree broke sctp_sendmsg()?

[Vlad Yasevich]

Horacio Sanson wrote:
> On Wed, Apr 23, 2008 at 12:00 AM, Vlad Yasevich
> <vladislav.yasevich@hp.com> wrote:
>> Horacio Sanson wrote:
>>
>>
>>> I am using the lksctp-dev kernel and the lksctp-tools both up to date
>>> from git repository. I also checked that the only libsctp library I
>>> have is the one from git and made sure to load the sctp kernel
>>> modules.
>>>
>>> I must mention that this program worked fine before with kernel
>>> 2.6.25-rc3 but after a recent update of lksctp-dev to 2.6.25-rc8  a
>>> few days ago it started failing.....
>>>
>>> For now I will keep working with the 2.6.22 kernel.
>>>
>>>
>>  would you be able to do a bisect?
>>
>>  # git-bisect start # git-bisect bad
>>  # git-bisect good v2.6.24-rc3
>>
> 
> Sorry I completely removed the git repository tree and did a new
> clone. Now everything is working fine with the latest kernel
> 2.6.25-rc8.

Glad it worked.  I thought it was something with my setup.

Thanks
-vlad