netdev - [net-next 09/10] ixgbe: ipsec offload stats

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Message-Id: <20180123182108.30789-10-jeffrey.t.kirsher@intel.com>
Date:   Tue, 23 Jan 2018 10:21:07 -0800
From:   Jeff Kirsher <jeffrey.t.kirsher@...el.com>
To:     davem@...emloft.net
Cc:     Shannon Nelson <shannon.nelson@...cle.com>, netdev@...r.kernel.org,
        nhorman@...hat.com, sassmann@...hat.com, jogreene@...hat.com,
        Jeff Kirsher <jeffrey.t.kirsher@...el.com>
Subject: [net-next 09/10] ixgbe: ipsec offload stats

From: Shannon Nelson <shannon.nelson@...cle.com>

Add a simple statistic to count the ipsec offloads.

Signed-off-by: Shannon Nelson <shannon.nelson@...cle.com>
Tested-by: Andrew Bowers <andrewx.bowers@...el.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@...el.com>
---
 drivers/net/ethernet/intel/ixgbe/ixgbe.h         | 2 ++
 drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c | 2 ++
 drivers/net/ethernet/intel/ixgbe/ixgbe_ipsec.c   | 2 ++
 drivers/net/ethernet/intel/ixgbe/ixgbe_main.c    | 5 ++++-
 4 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe.h b/drivers/net/ethernet/intel/ixgbe/ixgbe.h
index 0a0937d72e30..c1e3a0039ea5 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe.h
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe.h
@@ -637,10 +637,12 @@ struct ixgbe_adapter {
 	int num_tx_queues;
 	u16 tx_itr_setting;
 	u16 tx_work_limit;
+	u64 tx_ipsec;
 
 	/* Rx fast path data */
 	int num_rx_queues;
 	u16 rx_itr_setting;
+	u64 rx_ipsec;
 
 	/* Port number used to identify VXLAN traffic */
 	__be16 vxlan_port;
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c
index f064099733b6..317351025fd7 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c
@@ -115,6 +115,8 @@ static const struct ixgbe_stats ixgbe_gstrings_stats[] = {
 	{"tx_hwtstamp_timeouts", IXGBE_STAT(tx_hwtstamp_timeouts)},
 	{"tx_hwtstamp_skipped", IXGBE_STAT(tx_hwtstamp_skipped)},
 	{"rx_hwtstamp_cleared", IXGBE_STAT(rx_hwtstamp_cleared)},
+	{"tx_ipsec", IXGBE_STAT(tx_ipsec)},
+	{"rx_ipsec", IXGBE_STAT(rx_ipsec)},
 #ifdef IXGBE_FCOE
 	{"fcoe_bad_fccrc", IXGBE_STAT(stats.fccrc)},
 	{"rx_fcoe_dropped", IXGBE_STAT(stats.fcoerpdc)},
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_ipsec.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_ipsec.c
index d9f4c6b44324..c25b0bb2c4e6 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_ipsec.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_ipsec.c
@@ -852,6 +852,8 @@ void ixgbe_ipsec_rx(struct ixgbe_ring *rx_ring,
 	xo = xfrm_offload(skb);
 	xo->flags = CRYPTO_DONE;
 	xo->status = CRYPTO_SUCCESS;
+
+	adapter->rx_ipsec++;
 }
 
 /**
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
index 0e4808b24f8d..58b36ce35b28 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
@@ -1171,7 +1171,7 @@ static bool ixgbe_clean_tx_irq(struct ixgbe_q_vector *q_vector,
 	struct ixgbe_adapter *adapter = q_vector->adapter;
 	struct ixgbe_tx_buffer *tx_buffer;
 	union ixgbe_adv_tx_desc *tx_desc;
-	unsigned int total_bytes = 0, total_packets = 0;
+	unsigned int total_bytes = 0, total_packets = 0, total_ipsec = 0;
 	unsigned int budget = q_vector->tx.work_limit;
 	unsigned int i = tx_ring->next_to_clean;
 
@@ -1202,6 +1202,8 @@ static bool ixgbe_clean_tx_irq(struct ixgbe_q_vector *q_vector,
 		/* update the statistics for this packet */
 		total_bytes += tx_buffer->bytecount;
 		total_packets += tx_buffer->gso_segs;
+		if (tx_buffer->tx_flags & IXGBE_TX_FLAGS_IPSEC)
+			total_ipsec++;
 
 		/* free the skb */
 		if (ring_is_xdp(tx_ring))
@@ -1264,6 +1266,7 @@ static bool ixgbe_clean_tx_irq(struct ixgbe_q_vector *q_vector,
 	u64_stats_update_end(&tx_ring->syncp);
 	q_vector->tx.total_bytes += total_bytes;
 	q_vector->tx.total_packets += total_packets;
+	adapter->tx_ipsec += total_ipsec;
 
 	if (check_for_tx_hang(tx_ring) && ixgbe_check_tx_hang(tx_ring)) {
 		/* schedule immediate reset if we believe we hung */
-- 
2.14.3