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Date: Tue, 11 Mar 2014 22:53:30 -0700
From: Jeff Kirsher <jeffrey.t.kirsher@...el.com>
To: davem@...emloft.net
Cc: Carolyn Wyborny <carolyn.wyborny@...el.com>,
netdev@...r.kernel.org, gospo@...hat.com, sassmann@...hat.com,
Josh Hay <hayja@...l.uc.edu>,
Jeff Kirsher <jeffrey.t.kirsher@...el.com>
Subject: [net-next 05/13] igb: Add support for debugfs
From: Carolyn Wyborny <carolyn.wyborny@...el.com>
This patch adds the necessary defines, variables, and stats updating
procedures to use the commands implemented in debugfs.
Signed-off-by: Josh Hay <hayja@...l.uc.edu>
Signed-off-by: Carolyn Wyborny <carolyn.wyborny@...el.com>
Tested-by: Jeff Pieper <jeffrey.e.pieper@...el.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@...el.com>
---
drivers/net/ethernet/intel/igb/e1000_82575.h | 12 +++++++
drivers/net/ethernet/intel/igb/e1000_defines.h | 4 ++-
drivers/net/ethernet/intel/igb/e1000_regs.h | 2 ++
drivers/net/ethernet/intel/igb/igb.h | 15 +++++++++
drivers/net/ethernet/intel/igb/igb_main.c | 45 ++++++++++++++++++++++++++
5 files changed, 77 insertions(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/intel/igb/e1000_82575.h b/drivers/net/ethernet/intel/igb/e1000_82575.h
index 2a721a1..806e730 100644
--- a/drivers/net/ethernet/intel/igb/e1000_82575.h
+++ b/drivers/net/ethernet/intel/igb/e1000_82575.h
@@ -116,6 +116,18 @@ union e1000_adv_rx_desc {
#define E1000_RXDADV_STAT_TS 0x10000 /* Pkt was time stamped */
#define E1000_RXDADV_STAT_TSIP 0x08000 /* timestamp in packet */
+#define E1000_RXDADV_PKTTYPE_ILMASK 0x00F0
+#define E1000_RXDADV_PKTTYPE_TLMASK 0x0F00
+#define E1000_RXDADV_PKTTYPE_NONE 0x0000
+#define E1000_RXDADV_PKTTYPE_IPV4 0x0010 /* IPV4 hdr present */
+#define E1000_RXDADV_PKTTYPE_IPV4_EX 0x0020 /* IPV4 hdr + extensions */
+#define E1000_RXDADV_PKTTYPE_IPV6 0x0040 /* IPV6 hdr present */
+#define E1000_RXDADV_PKTTYPE_IPV6_EX 0x0080 /* IPV6 + extensions */
+#define E1000_RXDADV_PKTTYPE_TCP 0x0100 /* TCP hdr present */
+#define E1000_RXDADV_PKTTYPE_UDP 0x0200 /* UDP hdr present */
+#define E1000_RXDADV_PKTTYPE_SCTP 0x0400 /* SCTP hdr present */
+#define E1000_RXDADV_PKTTYPE_NFS 0x0800 /* NDS hdr present */
+
/* Transmit Descriptor - Advanced */
union e1000_adv_tx_desc {
struct {
diff --git a/drivers/net/ethernet/intel/igb/e1000_defines.h b/drivers/net/ethernet/intel/igb/e1000_defines.h
index 393c896..59303ef 100644
--- a/drivers/net/ethernet/intel/igb/e1000_defines.h
+++ b/drivers/net/ethernet/intel/igb/e1000_defines.h
@@ -430,7 +430,7 @@
/* Extended Interrupt Cause Set */
/* E1000_EITR_CNT_IGNR is only for 82576 and newer */
#define E1000_EITR_CNT_IGNR 0x80000000 /* Don't reset counters on write */
-
+#define E1000_EITR_INTERVAL 0x00007FFC
/* Transmit Descriptor Control */
/* Enable the counting of descriptors still to be processed. */
@@ -920,6 +920,8 @@
#define E1000_EEER_LPI_FC 0x00040000 /* EEE Enable on FC */
#define E1000_EEE_SU_LPI_CLK_STP 0X00800000 /* EEE LPI Clock Stop */
#define E1000_EEER_EEE_NEG 0x20000000 /* EEE capability nego */
+#define E1000_EEER_RX_LPI_STATUS 0x40000000 /* RX in LPI state */
+#define E1000_EEER_TX_LPI_STATUS 0x80000000 /* TX in LPI state */
#define E1000_EEE_LP_ADV_ADDR_I350 0x040F /* EEE LP Advertisement */
#define E1000_EEE_LP_ADV_DEV_I210 7 /* EEE LP Adv Device */
#define E1000_EEE_LP_ADV_ADDR_I210 61 /* EEE LP Adv Register */
diff --git a/drivers/net/ethernet/intel/igb/e1000_regs.h b/drivers/net/ethernet/intel/igb/e1000_regs.h
index abdd935..7e17181 100644
--- a/drivers/net/ethernet/intel/igb/e1000_regs.h
+++ b/drivers/net/ethernet/intel/igb/e1000_regs.h
@@ -368,6 +368,8 @@
#define E1000_IPCNFG 0x0E38 /* Internal PHY Configuration */
#define E1000_EEER 0x0E30 /* Energy Efficient Ethernet */
#define E1000_EEE_SU 0X0E34 /* EEE Setup */
+#define E1000_TLPIC 0x4148 /* EEE TX LPI count */
+#define E1000_RLPIC 0x414C /* EEE RX LPI count */
#define E1000_EMIADD 0x10 /* Extended Memory Indirect Address */
#define E1000_EMIDATA 0x11 /* Extended Memory Indirect Data */
#define E1000_MMDAC 13 /* MMD Access Control */
diff --git a/drivers/net/ethernet/intel/igb/igb.h b/drivers/net/ethernet/intel/igb/igb.h
index 68b32d4a..a8c4fca 100644
--- a/drivers/net/ethernet/intel/igb/igb.h
+++ b/drivers/net/ethernet/intel/igb/igb.h
@@ -224,6 +224,18 @@ struct igb_rx_queue_stats {
u64 alloc_failed;
};
+struct igb_rx_pkt_stats {
+ u64 ipv4_packets; /* IPv4 headers processed */
+ u64 ipv4e_packets; /* IPv4E headers processed */
+ u64 ipv6_packets; /* IPv6 headers processed */
+ u64 ipv6e_packets; /* IPv6e headers processed */
+ u64 tcp_packets; /* TCP headers processed */
+ u64 udp_packets; /* UDP headers processed */
+ u64 sctp_packets; /* SCTP headers processed */
+ u64 nfs_packets; /* NFS headers processed */
+ u64 other_packets;
+};
+
struct igb_ring_container {
struct igb_ring *ring; /* pointer to linked list of rings */
unsigned int total_bytes; /* total bytes processed this int */
@@ -268,6 +280,7 @@ struct igb_ring {
struct {
struct sk_buff *skb;
struct igb_rx_queue_stats rx_stats;
+ struct igb_rx_pkt_stats pkt_stats;
struct u64_stats_sync rx_syncp;
};
};
@@ -460,6 +473,8 @@ struct igb_adapter {
#ifdef CONFIG_DEBUG_FS
struct dentry *igb_dbg_adapter;
#endif /* CONFIG_DEBUG_FS */
+
+ int devrc;
};
#define IGB_FLAG_HAS_MSI (1 << 0)
diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c
index a709caf..6cc9487 100644
--- a/drivers/net/ethernet/intel/igb/igb_main.c
+++ b/drivers/net/ethernet/intel/igb/igb_main.c
@@ -2012,6 +2012,8 @@ void igb_reset(struct igb_adapter *adapter)
igb_ptp_reset(adapter);
igb_get_phy_info(hw);
+
+ adapter->devrc++;
}
static netdev_features_t igb_fix_features(struct net_device *netdev,
@@ -2498,6 +2500,7 @@ static int igb_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
/* reset the hardware with the new settings */
igb_reset(adapter);
+ adapter->devrc = 0;
/* Init the I2C interface */
err = igb_init_i2c(adapter);
@@ -6923,11 +6926,53 @@ static void igb_process_skb_fields(struct igb_ring *rx_ring,
struct sk_buff *skb)
{
struct net_device *dev = rx_ring->netdev;
+ __le16 pkt_info = rx_desc->wb.lower.lo_dword.pkt_info;
+ bool other = false;
igb_rx_hash(rx_ring, rx_desc, skb);
igb_rx_checksum(rx_ring, rx_desc, skb);
+ switch (pkt_info & E1000_RXDADV_PKTTYPE_ILMASK) {
+ case E1000_RXDADV_PKTTYPE_IPV4:
+ rx_ring->pkt_stats.ipv4_packets++;
+ break;
+ case E1000_RXDADV_PKTTYPE_IPV4_EX:
+ rx_ring->pkt_stats.ipv4e_packets++;
+ break;
+ case E1000_RXDADV_PKTTYPE_IPV6:
+ rx_ring->pkt_stats.ipv6_packets++;
+ break;
+ case E1000_RXDADV_PKTTYPE_IPV6_EX:
+ rx_ring->pkt_stats.ipv6e_packets++;
+ break;
+ case E1000_RXDADV_PKTTYPE_NONE:
+ other = true;
+ default:
+ break;
+ }
+
+ switch (pkt_info & E1000_RXDADV_PKTTYPE_TLMASK) {
+ case E1000_RXDADV_PKTTYPE_TCP:
+ rx_ring->pkt_stats.tcp_packets++;
+ break;
+ case E1000_RXDADV_PKTTYPE_UDP:
+ rx_ring->pkt_stats.udp_packets++;
+ break;
+ case E1000_RXDADV_PKTTYPE_SCTP:
+ rx_ring->pkt_stats.sctp_packets++;
+ break;
+ case E1000_RXDADV_PKTTYPE_NFS:
+ rx_ring->pkt_stats.nfs_packets++;
+ break;
+ case E1000_RXDADV_PKTTYPE_NONE:
+ if (other)
+ rx_ring->pkt_stats.other_packets++;
+ break;
+ default:
+ break;
+ }
+
igb_ptp_rx_hwtstamp(rx_ring, rx_desc, skb);
if ((dev->features & NETIF_F_HW_VLAN_CTAG_RX) &&
--
1.8.3.1
--
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