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netxen patches
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	Have fun.

>From 24f4a1a77431575a9cdfaae25adda85842099f70 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Mon, 1 Jan 2007 15:22:56 -0500
Subject: [PATCH] netxen trivial annotations

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Al Viro authored and Jeff Garzik committed Jan 31, 2007
1 parent f56df2f commit a608ab9
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Showing 8 changed files with 196 additions and 212 deletions.
136 changes: 65 additions & 71 deletions drivers/net/netxen/netxen_nic.h
View file
Original file line number Diff line number Diff line change
Expand Up @@ -239,49 +239,39 @@ extern unsigned long long netxen_dma_mask;

typedef u32 netxen_ctx_msg;

#define _netxen_set_bits(config_word, start, bits, val) {\
unsigned long long mask = (((1ULL << (bits)) - 1) << (start)); \
unsigned long long value = (val); \
(config_word) &= ~mask; \
(config_word) |= (((value) << (start)) & mask); \
}

#define netxen_set_msg_peg_id(config_word, val) \
_netxen_set_bits(config_word, 0, 2, val)
((config_word) &= ~3, (config_word) |= val & 3)
#define netxen_set_msg_privid(config_word) \
set_bit(2, (unsigned long*)&config_word)
((config_word) |= 1 << 2)
#define netxen_set_msg_count(config_word, val) \
_netxen_set_bits(config_word, 3, 15, val)
((config_word) &= ~(0x7fff<<3), (config_word) |= (val & 0x7fff) << 3)
#define netxen_set_msg_ctxid(config_word, val) \
_netxen_set_bits(config_word, 18, 10, val)
((config_word) &= ~(0x3ff<<18), (config_word) |= (val & 0x3ff) << 18)
#define netxen_set_msg_opcode(config_word, val) \
_netxen_set_bits(config_word, 28, 4, val)
((config_word) &= ~(0xf<<24), (config_word) |= (val & 0xf) << 24)

struct netxen_rcv_context {
u32 rcv_ring_addr_lo;
u32 rcv_ring_addr_hi;
u32 rcv_ring_size;
u32 rsrvd;
__le64 rcv_ring_addr;
__le32 rcv_ring_size;
__le32 rsrvd;
};

struct netxen_ring_ctx {

/* one command ring */
u64 cmd_consumer_offset;
u32 cmd_ring_addr_lo;
u32 cmd_ring_addr_hi;
u32 cmd_ring_size;
u32 rsrvd;
__le64 cmd_consumer_offset;
__le64 cmd_ring_addr;
__le32 cmd_ring_size;
__le32 rsrvd;

/* three receive rings */
struct netxen_rcv_context rcv_ctx[3];

/* one status ring */
u32 sts_ring_addr_lo;
u32 sts_ring_addr_hi;
u32 sts_ring_size;
__le64 sts_ring_addr;
__le32 sts_ring_size;

u32 ctx_id;
__le32 ctx_id;
} __attribute__ ((aligned(64)));

/*
Expand All @@ -305,81 +295,85 @@ struct netxen_ring_ctx {
((cmd_desc)->port_ctxid |= ((var) & 0x0F))

#define netxen_set_cmd_desc_flags(cmd_desc, val) \
_netxen_set_bits((cmd_desc)->flags_opcode, 0, 7, val)
((cmd_desc)->flags_opcode &= ~cpu_to_le16(0x7f), \
(cmd_desc)->flags_opcode |= cpu_to_le16((val) & 0x7f))
#define netxen_set_cmd_desc_opcode(cmd_desc, val) \
_netxen_set_bits((cmd_desc)->flags_opcode, 7, 6, val)
((cmd_desc)->flags_opcode &= ~cpu_to_le16(0x3f<<7), \
(cmd_desc)->flags_opcode |= cpu_to_le16((val) & (0x3f<<7)))

#define netxen_set_cmd_desc_num_of_buff(cmd_desc, val) \
_netxen_set_bits((cmd_desc)->num_of_buffers_total_length, 0, 8, val);
((cmd_desc)->num_of_buffers_total_length &= ~cpu_to_le32(0xff), \
(cmd_desc)->num_of_buffers_total_length |= cpu_to_le32((val) & 0xff))
#define netxen_set_cmd_desc_totallength(cmd_desc, val) \
_netxen_set_bits((cmd_desc)->num_of_buffers_total_length, 8, 24, val);
((cmd_desc)->num_of_buffers_total_length &= cpu_to_le32(0xff), \
(cmd_desc)->num_of_buffers_total_length |= cpu_to_le32(val << 24))

#define netxen_get_cmd_desc_opcode(cmd_desc) \
(((cmd_desc)->flags_opcode >> 7) & 0x003F)
((le16_to_cpu((cmd_desc)->flags_opcode) >> 7) & 0x003F)
#define netxen_get_cmd_desc_totallength(cmd_desc) \
(((cmd_desc)->num_of_buffers_total_length >> 8) & 0x0FFFFFF)
(le32_to_cpu((cmd_desc)->num_of_buffers_total_length) >> 8)

struct cmd_desc_type0 {
u8 tcp_hdr_offset; /* For LSO only */
u8 ip_hdr_offset; /* For LSO only */
/* Bit pattern: 0-6 flags, 7-12 opcode, 13-15 unused */
u16 flags_opcode;
__le16 flags_opcode;
/* Bit pattern: 0-7 total number of segments,
8-31 Total size of the packet */
u32 num_of_buffers_total_length;
__le32 num_of_buffers_total_length;
union {
struct {
u32 addr_low_part2;
u32 addr_high_part2;
__le32 addr_low_part2;
__le32 addr_high_part2;
};
u64 addr_buffer2;
__le64 addr_buffer2;
};

u16 reference_handle; /* changed to u16 to add mss */
u16 mss; /* passed by NDIS_PACKET for LSO */
__le16 reference_handle; /* changed to u16 to add mss */
__le16 mss; /* passed by NDIS_PACKET for LSO */
/* Bit pattern 0-3 port, 0-3 ctx id */
u8 port_ctxid;
u8 total_hdr_length; /* LSO only : MAC+IP+TCP Hdr size */
u16 conn_id; /* IPSec offoad only */
__le16 conn_id; /* IPSec offoad only */

union {
struct {
u32 addr_low_part3;
u32 addr_high_part3;
__le32 addr_low_part3;
__le32 addr_high_part3;
};
u64 addr_buffer3;
__le64 addr_buffer3;
};
union {
struct {
u32 addr_low_part1;
u32 addr_high_part1;
__le32 addr_low_part1;
__le32 addr_high_part1;
};
u64 addr_buffer1;
__le64 addr_buffer1;
};

u16 buffer1_length;
u16 buffer2_length;
u16 buffer3_length;
u16 buffer4_length;
__le16 buffer1_length;
__le16 buffer2_length;
__le16 buffer3_length;
__le16 buffer4_length;

union {
struct {
u32 addr_low_part4;
u32 addr_high_part4;
__le32 addr_low_part4;
__le32 addr_high_part4;
};
u64 addr_buffer4;
__le64 addr_buffer4;
};

u64 unused;
__le64 unused;

} __attribute__ ((aligned(64)));

/* Note: sizeof(rcv_desc) should always be a mutliple of 2 */
struct rcv_desc {
u16 reference_handle;
u16 reserved;
u32 buffer_length; /* allocated buffer length (usually 2K) */
u64 addr_buffer;
__le16 reference_handle;
__le16 reserved;
__le32 buffer_length; /* allocated buffer length (usually 2K) */
__le64 addr_buffer;
};

/* opcode field in status_desc */
Expand All @@ -405,36 +399,36 @@ struct rcv_desc {
(((status_desc)->lro & 0x80) >> 7)

#define netxen_get_sts_port(status_desc) \
((status_desc)->status_desc_data & 0x0F)
(le64_to_cpu((status_desc)->status_desc_data) & 0x0F)
#define netxen_get_sts_status(status_desc) \
(((status_desc)->status_desc_data >> 4) & 0x0F)
((le64_to_cpu((status_desc)->status_desc_data) >> 4) & 0x0F)
#define netxen_get_sts_type(status_desc) \
(((status_desc)->status_desc_data >> 8) & 0x0F)
((le64_to_cpu((status_desc)->status_desc_data) >> 8) & 0x0F)
#define netxen_get_sts_totallength(status_desc) \
(((status_desc)->status_desc_data >> 12) & 0xFFFF)
((le64_to_cpu((status_desc)->status_desc_data) >> 12) & 0xFFFF)
#define netxen_get_sts_refhandle(status_desc) \
(((status_desc)->status_desc_data >> 28) & 0xFFFF)
((le64_to_cpu((status_desc)->status_desc_data) >> 28) & 0xFFFF)
#define netxen_get_sts_prot(status_desc) \
(((status_desc)->status_desc_data >> 44) & 0x0F)
((le64_to_cpu((status_desc)->status_desc_data) >> 44) & 0x0F)
#define netxen_get_sts_owner(status_desc) \
(((status_desc)->status_desc_data >> 56) & 0x03)
((le64_to_cpu((status_desc)->status_desc_data) >> 56) & 0x03)
#define netxen_get_sts_opcode(status_desc) \
(((status_desc)->status_desc_data >> 58) & 0x03F)
((le64_to_cpu((status_desc)->status_desc_data) >> 58) & 0x03F)

#define netxen_clear_sts_owner(status_desc) \
((status_desc)->status_desc_data &= \
~(((unsigned long long)3) << 56 ))
~cpu_to_le64(((unsigned long long)3) << 56 ))
#define netxen_set_sts_owner(status_desc, val) \
((status_desc)->status_desc_data |= \
(((unsigned long long)((val) & 0x3)) << 56 ))
cpu_to_le64(((unsigned long long)((val) & 0x3)) << 56 ))

struct status_desc {
/* Bit pattern: 0-3 port, 4-7 status, 8-11 type, 12-27 total_length
28-43 reference_handle, 44-47 protocol, 48-52 unused
53-55 desc_cnt, 56-57 owner, 58-63 opcode
*/
u64 status_desc_data;
u32 hash_value;
__le64 status_desc_data;
__le32 hash_value;
u8 hash_type;
u8 msg_type;
u8 unused;
Expand Down Expand Up @@ -1005,9 +999,9 @@ void netxen_niu_gbe_set_mii_mode(struct netxen_adapter *adapter, int port,
void netxen_niu_gbe_set_gmii_mode(struct netxen_adapter *adapter, int port,
long enable);
int netxen_niu_gbe_phy_read(struct netxen_adapter *adapter, long phy, long reg,
__le32 * readval);
__u32 * readval);
int netxen_niu_gbe_phy_write(struct netxen_adapter *adapter, long phy,
long reg, __le32 val);
long reg, __u32 val);

/* Functions available from netxen_nic_hw.c */
int netxen_nic_set_mtu_xgb(struct netxen_port *port, int new_mtu);
Expand Down
22 changes: 11 additions & 11 deletions drivers/net/netxen/netxen_nic_ethtool.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -218,15 +218,15 @@ netxen_nic_set_settings(struct net_device *dev, struct ethtool_cmd *ecmd)
{
struct netxen_port *port = netdev_priv(dev);
struct netxen_adapter *adapter = port->adapter;
__le32 status;
__u32 status;

/* read which mode */
if (adapter->ahw.board_type == NETXEN_NIC_GBE) {
/* autonegotiation */
if (adapter->phy_write
&& adapter->phy_write(adapter, port->portnum,
NETXEN_NIU_GB_MII_MGMT_ADDR_AUTONEG,
(__le32) ecmd->autoneg) != 0)
ecmd->autoneg) != 0)
return -EIO;
else
port->link_autoneg = ecmd->autoneg;
Expand Down Expand Up @@ -279,7 +279,7 @@ static int netxen_nic_get_regs_len(struct net_device *dev)
}

struct netxen_niu_regs {
__le32 reg[NETXEN_NIC_REGS_COUNT];
__u32 reg[NETXEN_NIC_REGS_COUNT];
};

static struct netxen_niu_regs niu_registers[] = {
Expand Down Expand Up @@ -372,7 +372,7 @@ netxen_nic_get_regs(struct net_device *dev, struct ethtool_regs *regs, void *p)
{
struct netxen_port *port = netdev_priv(dev);
struct netxen_adapter *adapter = port->adapter;
__le32 mode, *regs_buff = p;
__u32 mode, *regs_buff = p;
void __iomem *addr;
int i, window;

Expand Down Expand Up @@ -415,7 +415,7 @@ static u32 netxen_nic_get_link(struct net_device *dev)
{
struct netxen_port *port = netdev_priv(dev);
struct netxen_adapter *adapter = port->adapter;
__le32 status;
__u32 status;

/* read which mode */
if (adapter->ahw.board_type == NETXEN_NIC_GBE) {
Expand Down Expand Up @@ -482,13 +482,13 @@ netxen_nic_get_pauseparam(struct net_device *dev,
{
struct netxen_port *port = netdev_priv(dev);
struct netxen_adapter *adapter = port->adapter;
__le32 val;
__u32 val;

if (adapter->ahw.board_type == NETXEN_NIC_GBE) {
/* get flow control settings */
netxen_nic_read_w0(adapter,
NETXEN_NIU_GB_MAC_CONFIG_0(port->portnum),
(u32 *) & val);
&val);
pause->rx_pause = netxen_gb_get_rx_flowctl(val);
pause->tx_pause = netxen_gb_get_tx_flowctl(val);
/* get autoneg settings */
Expand All @@ -502,7 +502,7 @@ netxen_nic_set_pauseparam(struct net_device *dev,
{
struct netxen_port *port = netdev_priv(dev);
struct netxen_adapter *adapter = port->adapter;
__le32 val;
__u32 val;
unsigned int autoneg;

/* read mode */
Expand All @@ -522,13 +522,13 @@ netxen_nic_set_pauseparam(struct net_device *dev,

netxen_nic_write_w0(adapter,
NETXEN_NIU_GB_MAC_CONFIG_0(port->portnum),
*(u32 *) (&val));
*&val);
/* set autoneg */
autoneg = pause->autoneg;
if (adapter->phy_write
&& adapter->phy_write(adapter, port->portnum,
NETXEN_NIU_GB_MII_MGMT_ADDR_AUTONEG,
(__le32) autoneg) != 0)
autoneg) != 0)
return -EIO;
else {
port->link_autoneg = pause->autoneg;
Expand All @@ -543,7 +543,7 @@ static int netxen_nic_reg_test(struct net_device *dev)
struct netxen_port *port = netdev_priv(dev);
struct netxen_adapter *adapter = port->adapter;
u32 data_read, data_written, save;
__le32 mode;
__u32 mode;

/*
* first test the "Read Only" registers by writing which mode
Expand Down
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