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bnx2x, bnx2fc, bnx2i, cnic: Add statistics support and FCoE capabilit…
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1. When FCoE offload driver is registered, copy its capabilities to the chip
   scratchpad.
2. Copy FCoE/iSCSI MAC addresses in aligned manner to chip scratchpad.
3. Add FCoE/iSCSI statistics collection support

Signed-off-by: Barak Witkowski <barak@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: Eddie Wai <eddie.wai@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: Bhanu Prakash Gollapudi <bprakash@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Barak Witkowski authored and David S. Miller committed Jun 27, 2012
1 parent 747cf6e commit 2e499d3
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Showing 13 changed files with 420 additions and 139 deletions.
2 changes: 2 additions & 0 deletions drivers/net/ethernet/broadcom/bnx2x/bnx2x.h
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Original file line number Diff line number Diff line change
Expand Up @@ -51,6 +51,7 @@

#include "bnx2x_reg.h"
#include "bnx2x_fw_defs.h"
#include "bnx2x_mfw_req.h"
#include "bnx2x_hsi.h"
#include "bnx2x_link.h"
#include "bnx2x_sp.h"
Expand Down Expand Up @@ -1317,6 +1318,7 @@ struct bnx2x {
#define NO_ISCSI_FLAG (1 << 14)
#define NO_FCOE_FLAG (1 << 15)
#define BC_SUPPORTS_PFC_STATS (1 << 17)
#define BC_SUPPORTS_FCOE_FEATURES (1 << 19)
#define USING_SINGLE_MSIX_FLAG (1 << 20)
#define BC_SUPPORTS_DCBX_MSG_NON_PMF (1 << 21)

Expand Down
120 changes: 2 additions & 118 deletions drivers/net/ethernet/broadcom/bnx2x/bnx2x_hsi.h
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Original file line number Diff line number Diff line change
Expand Up @@ -10,6 +10,7 @@
#define BNX2X_HSI_H

#include "bnx2x_fw_defs.h"
#include "bnx2x_mfw_req.h"

#define FW_ENCODE_32BIT_PATTERN 0x1e1e1e1e

Expand All @@ -33,12 +34,6 @@ struct license_key {
u32 reserved_b[4];
};


#define PORT_0 0
#define PORT_1 1
#define PORT_MAX 2
#define NVM_PATH_MAX 2

/****************************************************************************
* Shared HW configuration *
****************************************************************************/
Expand Down Expand Up @@ -1252,6 +1247,7 @@ struct drv_func_mb {
#define REQ_BC_VER_4_VRFY_AFEX_SUPPORTED 0x00070002
#define REQ_BC_VER_4_SFP_TX_DISABLE_SUPPORTED 0x00070014
#define REQ_BC_VER_4_PFC_STATS_SUPPORTED 0x00070201
#define REQ_BC_VER_4_FCOE_FEATURES 0x00070209

#define DRV_MSG_CODE_DCBX_ADMIN_PMF_MSG 0xb0000000
#define DRV_MSG_CODE_DCBX_PMF_DRV_OK 0xb2000000
Expand Down Expand Up @@ -2700,118 +2696,6 @@ struct host_func_stats {
/* VIC definitions */
#define VICSTATST_UIF_INDEX 2

/* current drv_info version */
#define DRV_INFO_CUR_VER 1

/* drv_info op codes supported */
enum drv_info_opcode {
ETH_STATS_OPCODE,
FCOE_STATS_OPCODE,
ISCSI_STATS_OPCODE
};

#define ETH_STAT_INFO_VERSION_LEN 12
/* Per PCI Function Ethernet Statistics required from the driver */
struct eth_stats_info {
/* Function's Driver Version. padded to 12 */
u8 version[ETH_STAT_INFO_VERSION_LEN];
/* Locally Admin Addr. BigEndian EIU48. Actual size is 6 bytes */
u8 mac_local[8];
u8 mac_add1[8]; /* Additional Programmed MAC Addr 1. */
u8 mac_add2[8]; /* Additional Programmed MAC Addr 2. */
u32 mtu_size; /* MTU Size. Note : Negotiated MTU */
u32 feature_flags; /* Feature_Flags. */
#define FEATURE_ETH_CHKSUM_OFFLOAD_MASK 0x01
#define FEATURE_ETH_LSO_MASK 0x02
#define FEATURE_ETH_BOOTMODE_MASK 0x1C
#define FEATURE_ETH_BOOTMODE_SHIFT 2
#define FEATURE_ETH_BOOTMODE_NONE (0x0 << 2)
#define FEATURE_ETH_BOOTMODE_PXE (0x1 << 2)
#define FEATURE_ETH_BOOTMODE_ISCSI (0x2 << 2)
#define FEATURE_ETH_BOOTMODE_FCOE (0x3 << 2)
#define FEATURE_ETH_TOE_MASK 0x20
u32 lso_max_size; /* LSO MaxOffloadSize. */
u32 lso_min_seg_cnt; /* LSO MinSegmentCount. */
/* Num Offloaded Connections TCP_IPv4. */
u32 ipv4_ofld_cnt;
/* Num Offloaded Connections TCP_IPv6. */
u32 ipv6_ofld_cnt;
u32 promiscuous_mode; /* Promiscuous Mode. non-zero true */
u32 txq_size; /* TX Descriptors Queue Size */
u32 rxq_size; /* RX Descriptors Queue Size */
/* TX Descriptor Queue Avg Depth. % Avg Queue Depth since last poll */
u32 txq_avg_depth;
/* RX Descriptors Queue Avg Depth. % Avg Queue Depth since last poll */
u32 rxq_avg_depth;
/* IOV_Offload. 0=none; 1=MultiQueue, 2=VEB 3= VEPA*/
u32 iov_offload;
/* Number of NetQueue/VMQ Config'd. */
u32 netq_cnt;
u32 vf_cnt; /* Num VF assigned to this PF. */
};

/* Per PCI Function FCOE Statistics required from the driver */
struct fcoe_stats_info {
u8 version[12]; /* Function's Driver Version. */
u8 mac_local[8]; /* Locally Admin Addr. */
u8 mac_add1[8]; /* Additional Programmed MAC Addr 1. */
u8 mac_add2[8]; /* Additional Programmed MAC Addr 2. */
/* QoS Priority (per 802.1p). 0-7255 */
u32 qos_priority;
u32 txq_size; /* FCoE TX Descriptors Queue Size. */
u32 rxq_size; /* FCoE RX Descriptors Queue Size. */
/* FCoE TX Descriptor Queue Avg Depth. */
u32 txq_avg_depth;
/* FCoE RX Descriptors Queue Avg Depth. */
u32 rxq_avg_depth;
u32 rx_frames_lo; /* FCoE RX Frames received. */
u32 rx_frames_hi; /* FCoE RX Frames received. */
u32 rx_bytes_lo; /* FCoE RX Bytes received. */
u32 rx_bytes_hi; /* FCoE RX Bytes received. */
u32 tx_frames_lo; /* FCoE TX Frames sent. */
u32 tx_frames_hi; /* FCoE TX Frames sent. */
u32 tx_bytes_lo; /* FCoE TX Bytes sent. */
u32 tx_bytes_hi; /* FCoE TX Bytes sent. */
};

/* Per PCI Function iSCSI Statistics required from the driver*/
struct iscsi_stats_info {
u8 version[12]; /* Function's Driver Version. */
u8 mac_local[8]; /* Locally Admin iSCSI MAC Addr. */
u8 mac_add1[8]; /* Additional Programmed MAC Addr 1. */
/* QoS Priority (per 802.1p). 0-7255 */
u32 qos_priority;
u8 initiator_name[64]; /* iSCSI Boot Initiator Node name. */
u8 ww_port_name[64]; /* iSCSI World wide port name */
u8 boot_target_name[64];/* iSCSI Boot Target Name. */
u8 boot_target_ip[16]; /* iSCSI Boot Target IP. */
u32 boot_target_portal; /* iSCSI Boot Target Portal. */
u8 boot_init_ip[16]; /* iSCSI Boot Initiator IP Address. */
u32 max_frame_size; /* Max Frame Size. bytes */
u32 txq_size; /* PDU TX Descriptors Queue Size. */
u32 rxq_size; /* PDU RX Descriptors Queue Size. */
u32 txq_avg_depth; /* PDU TX Descriptor Queue Avg Depth. */
u32 rxq_avg_depth; /* PDU RX Descriptors Queue Avg Depth. */
u32 rx_pdus_lo; /* iSCSI PDUs received. */
u32 rx_pdus_hi; /* iSCSI PDUs received. */
u32 rx_bytes_lo; /* iSCSI RX Bytes received. */
u32 rx_bytes_hi; /* iSCSI RX Bytes received. */
u32 tx_pdus_lo; /* iSCSI PDUs sent. */
u32 tx_pdus_hi; /* iSCSI PDUs sent. */
u32 tx_bytes_lo; /* iSCSI PDU TX Bytes sent. */
u32 tx_bytes_hi; /* iSCSI PDU TX Bytes sent. */
u32 pcp_prior_map_tbl; /* C-PCP to S-PCP Priority MapTable.
* 9 nibbles, the position of each nibble
* represents the C-PCP value, the value
* of the nibble = S-PCP value.
*/
};

union drv_info_to_mcp {
struct eth_stats_info ether_stat;
struct fcoe_stats_info fcoe_stat;
struct iscsi_stats_info iscsi_stat;
};

/* stats collected for afex.
* NOTE: structure is exactly as expected to be received by the switch.
Expand Down
41 changes: 36 additions & 5 deletions drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
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Original file line number Diff line number Diff line change
Expand Up @@ -74,6 +74,8 @@
#define FW_FILE_NAME_E1H "bnx2x/bnx2x-e1h-" FW_FILE_VERSION ".fw"
#define FW_FILE_NAME_E2 "bnx2x/bnx2x-e2-" FW_FILE_VERSION ".fw"

#define MAC_LEADING_ZERO_CNT (ALIGN(ETH_ALEN, sizeof(u32)) - ETH_ALEN)

/* Time in jiffies before concluding the transmitter is hung */
#define TX_TIMEOUT (5*HZ)

Expand Down Expand Up @@ -3060,7 +3062,8 @@ static void bnx2x_drv_info_fcoe_stat(struct bnx2x *bp)
struct fcoe_stats_info *fcoe_stat =
&bp->slowpath->drv_info_to_mcp.fcoe_stat;

memcpy(fcoe_stat->mac_local, bp->fip_mac, ETH_ALEN);
memcpy(fcoe_stat->mac_local + MAC_LEADING_ZERO_CNT,
bp->fip_mac, ETH_ALEN);

fcoe_stat->qos_priority =
app->traffic_type_priority[LLFC_TRAFFIC_TYPE_FCOE];
Expand Down Expand Up @@ -3151,7 +3154,8 @@ static void bnx2x_drv_info_iscsi_stat(struct bnx2x *bp)
struct iscsi_stats_info *iscsi_stat =
&bp->slowpath->drv_info_to_mcp.iscsi_stat;

memcpy(iscsi_stat->mac_local, bp->cnic_eth_dev.iscsi_mac, ETH_ALEN);
memcpy(iscsi_stat->mac_local + MAC_LEADING_ZERO_CNT,
bp->cnic_eth_dev.iscsi_mac, ETH_ALEN);

iscsi_stat->qos_priority =
app->traffic_type_priority[LLFC_TRAFFIC_TYPE_ISCSI];
Expand Down Expand Up @@ -9732,6 +9736,9 @@ static void __devinit bnx2x_get_common_hwinfo(struct bnx2x *bp)
bp->flags |= (val >= REQ_BC_VER_4_PFC_STATS_SUPPORTED) ?
BC_SUPPORTS_PFC_STATS : 0;

bp->flags |= (val >= REQ_BC_VER_4_FCOE_FEATURES) ?
BC_SUPPORTS_FCOE_FEATURES : 0;

bp->flags |= (val >= REQ_BC_VER_4_DCBX_ADMIN_MSG_NON_PMF) ?
BC_SUPPORTS_DCBX_MSG_NON_PMF : 0;
boot_mode = SHMEM_RD(bp,
Expand Down Expand Up @@ -12548,21 +12555,45 @@ static int bnx2x_drv_ctl(struct net_device *dev, struct drv_ctl_info *ctl)
break;
}
case DRV_CTL_ULP_REGISTER_CMD: {
int ulp_type = ctl->data.ulp_type;
int ulp_type = ctl->data.register_data.ulp_type;

if (CHIP_IS_E3(bp)) {
int idx = BP_FW_MB_IDX(bp);
u32 cap;
u32 cap = SHMEM2_RD(bp, drv_capabilities_flag[idx]);
int path = BP_PATH(bp);
int port = BP_PORT(bp);
int i;
u32 scratch_offset;
u32 *host_addr;

cap = SHMEM2_RD(bp, drv_capabilities_flag[idx]);
/* first write capability to shmem2 */
if (ulp_type == CNIC_ULP_ISCSI)
cap |= DRV_FLAGS_CAPABILITIES_LOADED_ISCSI;
else if (ulp_type == CNIC_ULP_FCOE)
cap |= DRV_FLAGS_CAPABILITIES_LOADED_FCOE;
SHMEM2_WR(bp, drv_capabilities_flag[idx], cap);

if ((ulp_type != CNIC_ULP_FCOE) ||
(!SHMEM2_HAS(bp, ncsi_oem_data_addr)) ||
(!(bp->flags & BC_SUPPORTS_FCOE_FEATURES)))
break;

/* if reached here - should write fcoe capabilities */
scratch_offset = SHMEM2_RD(bp, ncsi_oem_data_addr);
if (!scratch_offset)
break;
scratch_offset += offsetof(struct glob_ncsi_oem_data,
fcoe_features[path][port]);
host_addr = (u32 *) &(ctl->data.register_data.
fcoe_features);
for (i = 0; i < sizeof(struct fcoe_capabilities);
i += 4)
REG_WR(bp, scratch_offset + i,
*(host_addr + i/4));
}
break;
}

case DRV_CTL_ULP_UNREGISTER_CMD: {
int ulp_type = ctl->data.ulp_type;

Expand Down
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