From: Eran Ben Elisha <[email protected]> Enable reading and displaying SRIOV VFs traffic statistics through the host PF netdevice using the nested IFLA_VF_STATS attribute.
Signed-off-by: Eran Ben Elisha <[email protected]> Signed-off-by: Hadar Hen Zion <[email protected]> Signed-off-by: Or Gerlitz <[email protected]> --- include/linux/if_link.h | 13 +++++++++++++ ip/ipaddress.c | 34 ++++++++++++++++++++++++++++++++++ 2 files changed, 47 insertions(+), 0 deletions(-) diff --git a/include/linux/if_link.h b/include/linux/if_link.h index 3d0d613..772debf 100644 --- a/include/linux/if_link.h +++ b/include/linux/if_link.h @@ -466,6 +466,7 @@ enum { IFLA_VF_RSS_QUERY_EN, /* RSS Redirection Table and Hash Key query * on/off switch */ + IFLA_VF_STATS, /* network device statistics */ __IFLA_VF_MAX, }; @@ -515,6 +516,18 @@ struct ifla_vf_rss_query_en { __u32 setting; }; +enum { + IFLA_VF_STATS_RX_PACKETS, + IFLA_VF_STATS_TX_PACKETS, + IFLA_VF_STATS_RX_BYTES, + IFLA_VF_STATS_TX_BYTES, + IFLA_VF_STATS_BROADCAST, + IFLA_VF_STATS_MULTICAST, + __IFLA_VF_STATS_MAX, +}; + +#define IFLA_VF_STATS_MAX (__IFLA_VF_STATS_MAX - 1) + /* VF ports management section * * Nested layout of set/get msg is: diff --git a/ip/ipaddress.c b/ip/ipaddress.c index 340e1c9..5bbb59e 100644 --- a/ip/ipaddress.c +++ b/ip/ipaddress.c @@ -287,6 +287,8 @@ static void print_af_spec(FILE *fp, struct rtattr *af_spec_attr) } } +static void print_vf_stats64(FILE *fp, struct rtattr *vfstats); + static void print_vfinfo(FILE *fp, struct rtattr *vfinfo) { struct ifla_vf_mac *vf_mac; @@ -367,6 +369,8 @@ static void print_vfinfo(FILE *fp, struct rtattr *vfinfo) else fprintf(fp, ", link-state disable"); } + if (vf[IFLA_VF_STATS] && show_stats) + print_vf_stats64(fp, vf[IFLA_VF_STATS]); } static void print_num(FILE *fp, unsigned width, uint64_t count) @@ -408,6 +412,36 @@ static void print_num(FILE *fp, unsigned width, uint64_t count) fprintf(fp, "%-*s ", width, buf); } +static void print_vf_stats64(FILE *fp, struct rtattr *vfstats) +{ + struct rtattr *vf[IFLA_VF_STATS_MAX + 1] = {}; + + if (vfstats->rta_type != IFLA_VF_STATS) { + fprintf(stderr, "BUG: rta type is %d\n", vfstats->rta_type); + return; + } + + parse_rtattr_nested(vf, IFLA_VF_MAX, vfstats); + + /* RX stats */ + fprintf(fp, "%s", _SL_); + fprintf(fp, " RX: bytes packets mcast bcast %s", _SL_); + fprintf(fp, " "); + + print_num(fp, 10, *(__u64 *)RTA_DATA(vf[IFLA_VF_STATS_RX_BYTES])); + print_num(fp, 8, *(__u64 *)RTA_DATA(vf[IFLA_VF_STATS_RX_PACKETS])); + print_num(fp, 7, *(__u64 *)RTA_DATA(vf[IFLA_VF_STATS_MULTICAST])); + print_num(fp, 7, *(__u64 *)RTA_DATA(vf[IFLA_VF_STATS_BROADCAST])); + + /* TX stats */ + fprintf(fp, "%s", _SL_); + fprintf(fp, " TX: bytes packets %s", _SL_); + fprintf(fp, " "); + + print_num(fp, 10, *(__u64 *)RTA_DATA(vf[IFLA_VF_STATS_TX_BYTES])); + print_num(fp, 8, *(__u64 *)RTA_DATA(vf[IFLA_VF_STATS_TX_PACKETS])); +} + static void print_link_stats64(FILE *fp, const struct rtnl_link_stats64 *s, const struct rtattr *carrier_changes) { -- 1.7.1 -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
