On Mon, Jan 15, 2018 at 7:21 PM, Matteo Croce <[email protected]> wrote:
> Show DPDK version if Open vSwitch is compiled with DPDK support.
> Version can be retrieved with `ovs-switchd --version` or from OVS logs.
> Small change in ovs-ctl to avoid breakage on output change.
>
> Signed-off-by: Matteo Croce <[email protected]>
> ---
> v3:
>  print version in OVS logs too
>  don't save the version in the DB
>  use dpdk-stub.c instead of #ifdef
>
> v4:
>  fix only patch subject, I left ovs-vsctl from the older v1/v2, sorry
>
>  lib/dpdk-stub.c         | 5 +++++
>  lib/dpdk.c              | 8 ++++++++
>  lib/dpdk.h              | 1 +
>  utilities/ovs-ctl.in    | 2 +-
>  vswitchd/ovs-vswitchd.c | 1 +
>  5 files changed, 16 insertions(+), 1 deletion(-)
>
> diff --git a/lib/dpdk-stub.c b/lib/dpdk-stub.c
> index 36021807c..041cd0cbb 100644
> --- a/lib/dpdk-stub.c
> +++ b/lib/dpdk-stub.c
> @@ -54,3 +54,8 @@ dpdk_vhost_iommu_enabled(void)
>  {
>      return false;
>  }
> +
> +void
> +print_dpdk_version(void)
> +{
> +}
> diff --git a/lib/dpdk.c b/lib/dpdk.c
> index 6710d10fc..3f5a55fc1 100644
> --- a/lib/dpdk.c
> +++ b/lib/dpdk.c
> @@ -24,6 +24,7 @@
>
>  #include <rte_log.h>
>  #include <rte_memzone.h>
> +#include <rte_version.h>
>  #ifdef DPDK_PDUMP
>  #include <rte_mempool.h>
>  #include <rte_pdump.h>
> @@ -471,6 +472,7 @@ dpdk_init(const struct smap *ovs_other_config)
>          static struct ovsthread_once once_enable = 
> OVSTHREAD_ONCE_INITIALIZER;
>
>          if (ovsthread_once_start(&once_enable)) {
> +            VLOG_INFO("Using %s", rte_version());
>              VLOG_INFO("DPDK Enabled - initializing...");
>              dpdk_init__(ovs_other_config);
>              enabled = true;
> @@ -501,3 +503,9 @@ dpdk_set_lcore_id(unsigned cpu)
>      ovs_assert(cpu != NON_PMD_CORE_ID);
>      RTE_PER_LCORE(_lcore_id) = cpu;
>  }
> +
> +void
> +print_dpdk_version(void)
> +{
> +    puts(rte_version());
> +}
> diff --git a/lib/dpdk.h b/lib/dpdk.h
> index dc58d968a..b04153591 100644
> --- a/lib/dpdk.h
> +++ b/lib/dpdk.h
> @@ -38,5 +38,6 @@ void dpdk_init(const struct smap *ovs_other_config);
>  void dpdk_set_lcore_id(unsigned cpu);
>  const char *dpdk_get_vhost_sock_dir(void);
>  bool dpdk_vhost_iommu_enabled(void);
> +void print_dpdk_version(void);
>
>  #endif /* dpdk.h */
> diff --git a/utilities/ovs-ctl.in b/utilities/ovs-ctl.in
> index 1df56c4a5..ef06dd967 100755
> --- a/utilities/ovs-ctl.in
> +++ b/utilities/ovs-ctl.in
> @@ -72,7 +72,7 @@ set_hostname () {
>  set_system_ids () {
>      set ovs_vsctl set Open_vSwitch .
>
> -    OVS_VERSION=`ovs-vswitchd --version | sed 's/.*) //;1q'`
> +    OVS_VERSION=`ovs-vswitchd --version | awk '/Open vSwitch/{print $NF}'`
>      set "$@" ovs-version="$OVS_VERSION"
>
>      case $SYSTEM_ID in
> diff --git a/vswitchd/ovs-vswitchd.c b/vswitchd/ovs-vswitchd.c
> index d5e07c037..a5e8f4d39 100644
> --- a/vswitchd/ovs-vswitchd.c
> +++ b/vswitchd/ovs-vswitchd.c
> @@ -187,6 +187,7 @@ parse_options(int argc, char *argv[], char 
> **unixctl_pathp)
>
>          case 'V':
>              ovs_print_version(0, 0);
> +            print_dpdk_version();
>              exit(EXIT_SUCCESS);
>
>          case OPT_MLOCKALL:
> --
> 2.14.3
>

If you consider applying it, please fix the typo in the commit message:
ovs-vswitchd instead of ovs-switchd

Thanks
-- 
Matteo Croce
per aspera ad upstream
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