On Wed, 2012-06-06 at 18:42 +0000, Hefty, Sean wrote: > netperf uses the TCP_MAXSEG socket option. Add support for it. > Problem reported by Sridhar Samudrala <s...@us.ibm.com> > > getsockopt returns the path MTU as the TCP_MAXSEG. setsockopt > currently ignores the value. > > Signed-off-by: Sean Hefty <sean.he...@intel.com>
Acked-by: Sridhar Samudrala <s...@us.ibm.com> > --- > src/rsocket.c | 9 +++++++++ > 1 files changed, 9 insertions(+), 0 deletions(-) > > diff --git a/src/rsocket.c b/src/rsocket.c > index 8f20b4a..2fd106a 100644 > --- a/src/rsocket.c > +++ b/src/rsocket.c > @@ -1716,6 +1716,9 @@ int rsetsockopt(int socket, int level, int optname, > opt_on = *(int *) optval; > ret = 0; > break; > + case TCP_MAXSEG: > + ret = 0; > + break; > default: > break; > } > @@ -1802,6 +1805,12 @@ int rgetsockopt(int socket, int level, int optname, > *((int *) optval) = !!(rs->tcp_opts & (1 << optname)); > *optlen = sizeof(int); > break; > + case TCP_MAXSEG: > + *((int *) optval) = (rs->cm_id && > rs->cm_id->route.num_paths) ? > + 1 << (7 + > rs->cm_id->route.path_rec->mtu) : > + 2048; > + *optlen = sizeof(int); > + break; > default: > ret = ENOTSUP; > break; > > > -- > To unsubscribe from this list: send the line "unsubscribe linux-rdma" in > the body of a message to majord...@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
