> -----Original Message-----
> From: linux-rdma-ow...@vger.kernel.org [mailto:linux-rdma-
> ow...@vger.kernel.org] On Behalf Of Leon Romanovsky
> Sent: Tuesday, February 20, 2018 6:58 AM
> To: Steve Wise <sw...@opengridcomputing.com>
> Cc: dsah...@gmail.com; step...@networkplumber.org;
> netdev@vger.kernel.org; linux-r...@vger.kernel.org
> Subject: Re: [PATCH RFC iproute-next 2/5] rdma: Add CM_ID resource tracking
> information
>
> On Wed, Feb 14, 2018 at 01:07:01PM -0800, Steve Wise wrote:
> > Sample output:
> >
> > # rdma resource
> > 2: cxgb4_0: pd 5 cq 2 qp 2 cm_id 3 mr 7
> > 3: mlx4_0: pd 7 cq 3 qp 3 cm_id 3 mr 7
> >
> > # rdma resource show cm_id
> > [root@stevo1 iproute2]# /root/stevo/iproute2/rdma/rdma resource show
> > cm_id link cxgb4_0/- lqpn 0 qp-type RC state LISTEN ps TCP dev-type
> > --- transport-type IWARP pid 30485 comm rping src-addr 0.0.0.0
> > src-port 7174 dst-addr 0.0.0.0 dst-port 0 link cxgb4_0/2 lqpn 1048
> > qp-type RC state CONNECT ps TCP dev-type ETH transport-type IWARP pid
> > 30503 comm rping src-addr 172.16.2.1 src-port 7174 dst-addr 172.16.2.1
> > dst-port 38246 link cxgb4_0/2 lqpn 1040 qp-type RC state CONNECT ps
> > TCP dev-type ETH transport-type IWARP pid 30498 comm rping src-addr
> > 172.16.2.1 src-port 38246 dst-addr 172.16.2.1 dst-port 7174 link
> > mlx4_0/- lqpn 0 qp-type RC state LISTEN ps TCP dev-type ---
> > transport-type IB pid 30485 comm rping src-addr 0.0.0.0 src-port 7174
> > dst-addr 0.0.0.0 dst-port 0 link mlx4_0/1 lqpn 539 qp-type RC state
> > CONNECT ps TCP dev-type ETH transport-type IB pid 30494 comm rping
> > src-addr 172.16.99.1 src-port 7174 dst-addr 172.16.99.1 dst-port 43670
> > link mlx4_0/1 lqpn 538 qp-type RC state CONNECT ps TCP dev-type ETH
> > transport-type IB pid 30492 comm rping src-addr 172.16.99.1 src-port
> > 43670 dst-addr 172.16.99.1 dst-port 7174
> >
> > # rdma resource show cm_id dst-port 7174 link cxgb4_0/2 lqpn 1040
> > qp-type RC state CONNECT ps TCP dev-type ETH transport-type IWARP pid
> > 30498 comm rping src-addr 172.16.2.1 src-port 38246 dst-addr
> > 172.16.2.1 dst-port 7174 link mlx4_0/1 lqpn 538 qp-type RC state
> > CONNECT ps TCP dev-type ETH transport-type IB pid 30492 comm rping
> > src-addr 172.16.99.1 src-port 43670 dst-addr 172.16.99.1 dst-port 7174
> >
> > Signed-off-by: Steve Wise <sw...@opengridcomputing.com>
> > ---
> > rdma/rdma.h | 1 +
> > rdma/res.c | 312
> ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++-
> > rdma/utils.c | 12 +++
> > 3 files changed, 321 insertions(+), 4 deletions(-)
>
> Thanks, for doing it.
>
> >
> > diff --git a/rdma/rdma.h b/rdma/rdma.h index 5809f70..1ef0942 100644
> > --- a/rdma/rdma.h
> > +++ b/rdma/rdma.h
> > @@ -18,6 +18,7 @@
> > #include <libmnl/libmnl.h>
> > #include <rdma/rdma_netlink.h>
> > #include <time.h>
> > +#include <net/if_arp.h>
> >
> > #include "list.h"
> > #include "utils.h"
> > diff --git a/rdma/res.c b/rdma/res.c
> > index 2a63e71..beae7dc 100644
> > --- a/rdma/res.c
> > +++ b/rdma/res.c
> > @@ -16,9 +16,11 @@ static int res_help(struct rd *rd) {
> > pr_out("Usage: %s resource\n", rd->filename);
> > pr_out(" resource show [DEV]\n");
> > - pr_out(" resource show [qp]\n");
> > + pr_out(" resource show [qp|cm_id]\n");
> > pr_out(" resource show qp link [DEV/PORT]\n");
> > pr_out(" resource show qp link [DEV/PORT] [FILTER-NAME FILTER-
> VALUE]\n");
> > + pr_out(" resource show cm_id link [DEV/PORT]\n");
> > + pr_out(" resource show cm_id link [DEV/PORT] [FILTER-NAME
> FILTER-VALUE]\n");
> > return 0;
> > }
> >
> > @@ -431,6 +433,278 @@ static int res_qp_parse_cb(const struct nlmsghdr
> *nlh, void *data)
> > return MNL_CB_OK;
> > }
> >
> > +static void print_qp_type(struct rd *rd, uint32_t val) {
> > + if (rd->json_output)
> > + jsonw_string_field(rd->jw, "qp-type",
> > + qp_types_to_str(val));
> > + else
> > + pr_out("qp-type %s ", qp_types_to_str(val)); }
> > +
> > +static const char *cm_id_state_to_str(uint8_t idx) {
> > + static const char * const cm_id_states_str[] = { "IDLE", "ADDR_QUERY",
> > + "ADDR_RESOLVED",
> "ROUTE_QUERY", "ROUTE_RESOLVED",
> > + "CONNECT",
> "DISCONNECT",
> > + "ADDR_BOUND", "LISTEN",
> "DEVICE_REMOVAL", "DESTROYING" };
> > +
> > + if (idx < ARRAY_SIZE(cm_id_states_str))
> > + return cm_id_states_str[idx];
> > + return "UNKNOWN";
> > +}
> > +
> > +enum rdma_port_space {
> > + RDMA_PS_SDP = 0x0001,
>
> Do we still support this PS? It is not set in the kernel and Parav posted
> internal
> patch to remove it.
>
> > + RDMA_PS_IPOIB = 0x0002,
> > + RDMA_PS_IB = 0x013F,
> > + RDMA_PS_TCP = 0x0106,
> > + RDMA_PS_UDP = 0x0111,
> > +};
> > +
> > +static const char *cm_id_ps_to_str(uint32_t ps) {
> > + switch (ps) {
> > + case RDMA_PS_SDP:
> > + return "SDP";
>
> The same question
>
> > + case RDMA_PS_IPOIB:
> > + return "IPoIB";
> > + case RDMA_PS_IB:
> > + return "IPoIB";
> > + case RDMA_PS_TCP:
> > + return "TCP";
> > + case RDMA_PS_UDP:
> > + return "UDP";
> > + default:
> > + return "---";
> > + }
> > +}
> > +
> > +static const char *cm_id_dev_type_to_str(uint8_t dev_type) {
> > + switch (dev_type) {
> > + case ARPHRD_INFINIBAND:
> > + return "IB";
> > + case ARPHRD_ETHER:
> > + return "ETH";
> > + default:
> > + return "---";
> > + }
> > +}
Since link information is given as {device,port}, not sure this is needed on
how ARP is done.
I think we should rely to device,port information and skip this in NL.
