From a02a5a53418a6039893f5d5a9373cf18080fded2 Mon Sep 17 00:00:00 2001 From: Emil Tantilov Date: Thu, 7 Apr 2016 15:58:44 -0700 Subject: [PATCH] ixgbevf: add support for per-queue ethtool stats Implement per-queue statistics for packets, bytes and busy poll specific counters. Signed-off-by: Emil Tantilov Tested-by: Andrew Bowers Signed-off-by: Jeff Kirsher --- drivers/net/ethernet/intel/ixgbevf/ethtool.c | 127 +++++++++++++------ drivers/net/ethernet/intel/ixgbevf/ixgbevf.h | 10 -- 2 files changed, 91 insertions(+), 46 deletions(-) diff --git a/drivers/net/ethernet/intel/ixgbevf/ethtool.c b/drivers/net/ethernet/intel/ixgbevf/ethtool.c index cd4d311ea0b6..64d5c6e9343e 100644 --- a/drivers/net/ethernet/intel/ixgbevf/ethtool.c +++ b/drivers/net/ethernet/intel/ixgbevf/ethtool.c @@ -75,14 +75,6 @@ static struct ixgbe_stats ixgbevf_gstrings_stats[] = { IXGBEVF_STAT("tx_timeout_count", tx_timeout_count), IXGBEVF_NETDEV_STAT(multicast), IXGBEVF_STAT("rx_csum_offload_errors", hw_csum_rx_error), -#ifdef BP_EXTENDED_STATS - IXGBEVF_STAT("rx_bp_poll_yield", bp_rx_yields), - IXGBEVF_STAT("rx_bp_cleaned", bp_rx_cleaned), - IXGBEVF_STAT("rx_bp_misses", bp_rx_missed), - IXGBEVF_STAT("tx_bp_napi_yield", bp_tx_yields), - IXGBEVF_STAT("tx_bp_cleaned", bp_tx_cleaned), - IXGBEVF_STAT("tx_bp_misses", bp_tx_missed), -#endif }; #define IXGBEVF_QUEUE_STATS_LEN ( \ @@ -389,13 +381,13 @@ clear_reset: return err; } -static int ixgbevf_get_sset_count(struct net_device *dev, int stringset) +static int ixgbevf_get_sset_count(struct net_device *netdev, int stringset) { switch (stringset) { case ETH_SS_TEST: return IXGBEVF_TEST_LEN; case ETH_SS_STATS: - return IXGBEVF_GLOBAL_STATS_LEN; + return IXGBEVF_STATS_LEN; default: return -EINVAL; } @@ -407,34 +399,11 @@ static void ixgbevf_get_ethtool_stats(struct net_device *netdev, struct ixgbevf_adapter *adapter = netdev_priv(netdev); struct rtnl_link_stats64 temp; const struct rtnl_link_stats64 *net_stats; - int i; + unsigned int start; + struct ixgbevf_ring *ring; + int i, j; char *p; -#ifdef BP_EXTENDED_STATS - u64 rx_yields = 0, rx_cleaned = 0, rx_missed = 0, - tx_yields = 0, tx_cleaned = 0, tx_missed = 0; - - for (i = 0; i < adapter->num_rx_queues; i++) { - rx_yields += adapter->rx_ring[i]->stats.yields; - rx_cleaned += adapter->rx_ring[i]->stats.cleaned; - rx_yields += adapter->rx_ring[i]->stats.yields; - } - - for (i = 0; i < adapter->num_tx_queues; i++) { - tx_yields += adapter->tx_ring[i]->stats.yields; - tx_cleaned += adapter->tx_ring[i]->stats.cleaned; - tx_yields += adapter->tx_ring[i]->stats.yields; - } - - adapter->bp_rx_yields = rx_yields; - adapter->bp_rx_cleaned = rx_cleaned; - adapter->bp_rx_missed = rx_missed; - - adapter->bp_tx_yields = tx_yields; - adapter->bp_tx_cleaned = tx_cleaned; - adapter->bp_tx_missed = tx_missed; -#endif - ixgbevf_update_stats(adapter); net_stats = dev_get_stats(netdev, &temp); for (i = 0; i < IXGBEVF_GLOBAL_STATS_LEN; i++) { @@ -455,11 +424,68 @@ static void ixgbevf_get_ethtool_stats(struct net_device *netdev, data[i] = (ixgbevf_gstrings_stats[i].sizeof_stat == sizeof(u64)) ? *(u64 *)p : *(u32 *)p; } + + /* populate Tx queue data */ + for (j = 0; j < adapter->num_tx_queues; j++) { + ring = adapter->tx_ring[j]; + if (!ring) { + data[i++] = 0; + data[i++] = 0; +#ifdef BP_EXTENDED_STATS + data[i++] = 0; + data[i++] = 0; + data[i++] = 0; +#endif + continue; + } + + do { + start = u64_stats_fetch_begin_irq(&ring->syncp); + data[i] = ring->stats.packets; + data[i + 1] = ring->stats.bytes; + } while (u64_stats_fetch_retry_irq(&ring->syncp, start)); + i += 2; +#ifdef BP_EXTENDED_STATS + data[i] = ring->stats.yields; + data[i + 1] = ring->stats.misses; + data[i + 2] = ring->stats.cleaned; + i += 3; +#endif + } + + /* populate Rx queue data */ + for (j = 0; j < adapter->num_rx_queues; j++) { + ring = adapter->rx_ring[j]; + if (!ring) { + data[i++] = 0; + data[i++] = 0; +#ifdef BP_EXTENDED_STATS + data[i++] = 0; + data[i++] = 0; + data[i++] = 0; +#endif + continue; + } + + do { + start = u64_stats_fetch_begin_irq(&ring->syncp); + data[i] = ring->stats.packets; + data[i + 1] = ring->stats.bytes; + } while (u64_stats_fetch_retry_irq(&ring->syncp, start)); + i += 2; +#ifdef BP_EXTENDED_STATS + data[i] = ring->stats.yields; + data[i + 1] = ring->stats.misses; + data[i + 2] = ring->stats.cleaned; + i += 3; +#endif + } } static void ixgbevf_get_strings(struct net_device *netdev, u32 stringset, u8 *data) { + struct ixgbevf_adapter *adapter = netdev_priv(netdev); char *p = (char *)data; int i; @@ -474,6 +500,35 @@ static void ixgbevf_get_strings(struct net_device *netdev, u32 stringset, ETH_GSTRING_LEN); p += ETH_GSTRING_LEN; } + + for (i = 0; i < adapter->num_tx_queues; i++) { + sprintf(p, "tx_queue_%u_packets", i); + p += ETH_GSTRING_LEN; + sprintf(p, "tx_queue_%u_bytes", i); + p += ETH_GSTRING_LEN; +#ifdef BP_EXTENDED_STATS + sprintf(p, "tx_queue_%u_bp_napi_yield", i); + p += ETH_GSTRING_LEN; + sprintf(p, "tx_queue_%u_bp_misses", i); + p += ETH_GSTRING_LEN; + sprintf(p, "tx_queue_%u_bp_cleaned", i); + p += ETH_GSTRING_LEN; +#endif /* BP_EXTENDED_STATS */ + } + for (i = 0; i < adapter->num_rx_queues; i++) { + sprintf(p, "rx_queue_%u_packets", i); + p += ETH_GSTRING_LEN; + sprintf(p, "rx_queue_%u_bytes", i); + p += ETH_GSTRING_LEN; +#ifdef BP_EXTENDED_STATS + sprintf(p, "rx_queue_%u_bp_poll_yield", i); + p += ETH_GSTRING_LEN; + sprintf(p, "rx_queue_%u_bp_misses", i); + p += ETH_GSTRING_LEN; + sprintf(p, "rx_queue_%u_bp_cleaned", i); + p += ETH_GSTRING_LEN; +#endif /* BP_EXTENDED_STATS */ + } break; } } diff --git a/drivers/net/ethernet/intel/ixgbevf/ixgbevf.h b/drivers/net/ethernet/intel/ixgbevf/ixgbevf.h index 5ac60eefb0cd..5ca3794aeb2e 100644 --- a/drivers/net/ethernet/intel/ixgbevf/ixgbevf.h +++ b/drivers/net/ethernet/intel/ixgbevf/ixgbevf.h @@ -422,16 +422,6 @@ struct ixgbevf_adapter { unsigned int tx_ring_count; unsigned int rx_ring_count; -#ifdef BP_EXTENDED_STATS - u64 bp_rx_yields; - u64 bp_rx_cleaned; - u64 bp_rx_missed; - - u64 bp_tx_yields; - u64 bp_tx_cleaned; - u64 bp_tx_missed; -#endif - u8 __iomem *io_addr; /* Mainly for iounmap use */ u32 link_speed; bool link_up; -- 2.30.2