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path: root/drivers/net/s2io.h
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Diffstat (limited to 'drivers/net/s2io.h')
-rw-r--r--drivers/net/s2io.h223
1 files changed, 115 insertions, 108 deletions
diff --git a/drivers/net/s2io.h b/drivers/net/s2io.h
index 3b0bafd273c..a5e1a513deb 100644
--- a/drivers/net/s2io.h
+++ b/drivers/net/s2io.h
@@ -30,6 +30,8 @@
#undef SUCCESS
#define SUCCESS 0
#define FAILURE -1
+#define S2IO_MINUS_ONE 0xFFFFFFFFFFFFFFFFULL
+#define S2IO_MAX_PCI_CONFIG_SPACE_REINIT 100
#define CHECKBIT(value, nbit) (value & (1 << nbit))
@@ -37,7 +39,7 @@
#define MAX_FLICKER_TIME 60000 /* 60 Secs */
/* Maximum outstanding splits to be configured into xena. */
-typedef enum xena_max_outstanding_splits {
+enum {
XENA_ONE_SPLIT_TRANSACTION = 0,
XENA_TWO_SPLIT_TRANSACTION = 1,
XENA_THREE_SPLIT_TRANSACTION = 2,
@@ -46,7 +48,7 @@ typedef enum xena_max_outstanding_splits {
XENA_TWELVE_SPLIT_TRANSACTION = 5,
XENA_SIXTEEN_SPLIT_TRANSACTION = 6,
XENA_THIRTYTWO_SPLIT_TRANSACTION = 7
-} xena_max_outstanding_splits;
+};
#define XENA_MAX_OUTSTANDING_SPLITS(n) (n << 4)
/* OS concerned variables and constants */
@@ -77,7 +79,7 @@ static int debug_level = ERR_DBG;
#define S2IO_JUMBO_SIZE 9600
/* Driver statistics maintained by driver */
-typedef struct {
+struct swStat {
unsigned long long single_ecc_errs;
unsigned long long double_ecc_errs;
unsigned long long parity_err_cnt;
@@ -92,10 +94,10 @@ typedef struct {
unsigned long long flush_max_pkts;
unsigned long long sum_avg_pkts_aggregated;
unsigned long long num_aggregations;
-} swStat_t;
+};
/* Xpak releated alarm and warnings */
-typedef struct {
+struct xpakStat {
u64 alarm_transceiver_temp_high;
u64 alarm_transceiver_temp_low;
u64 alarm_laser_bias_current_high;
@@ -110,11 +112,11 @@ typedef struct {
u64 warn_laser_output_power_low;
u64 xpak_regs_stat;
u32 xpak_timer_count;
-} xpakStat_t;
+};
/* The statistics block of Xena */
-typedef struct stat_block {
+struct stat_block {
/* Tx MAC statistics counters. */
__le32 tmac_data_octets;
__le32 tmac_frms;
@@ -290,9 +292,9 @@ typedef struct stat_block {
__le32 reserved_14;
__le32 link_fault_cnt;
u8 buffer[20];
- swStat_t sw_stat;
- xpakStat_t xpak_stat;
-} StatInfo_t;
+ struct swStat sw_stat;
+ struct xpakStat xpak_stat;
+};
/*
* Structures representing different init time configuration
@@ -315,7 +317,7 @@ static int fifo_map[][MAX_TX_FIFOS] = {
};
/* Maintains Per FIFO related information. */
-typedef struct tx_fifo_config {
+struct tx_fifo_config {
#define MAX_AVAILABLE_TXDS 8192
u32 fifo_len; /* specifies len of FIFO upto 8192, ie no of TxDLs */
/* Priority definition */
@@ -332,11 +334,11 @@ typedef struct tx_fifo_config {
u8 f_no_snoop;
#define NO_SNOOP_TXD 0x01
#define NO_SNOOP_TXD_BUFFER 0x02
-} tx_fifo_config_t;
+};
/* Maintains per Ring related information */
-typedef struct rx_ring_config {
+struct rx_ring_config {
u32 num_rxd; /*No of RxDs per Rx Ring */
#define RX_RING_PRI_0 0 /* highest */
#define RX_RING_PRI_1 1
@@ -357,7 +359,7 @@ typedef struct rx_ring_config {
u8 f_no_snoop;
#define NO_SNOOP_RXD 0x01
#define NO_SNOOP_RXD_BUFFER 0x02
-} rx_ring_config_t;
+};
/* This structure provides contains values of the tunable parameters
* of the H/W
@@ -367,7 +369,7 @@ struct config_param {
u32 tx_fifo_num; /*Number of Tx FIFOs */
u8 fifo_mapping[MAX_TX_FIFOS];
- tx_fifo_config_t tx_cfg[MAX_TX_FIFOS]; /*Per-Tx FIFO config */
+ struct tx_fifo_config tx_cfg[MAX_TX_FIFOS]; /*Per-Tx FIFO config */
u32 max_txds; /*Max no. of Tx buffer descriptor per TxDL */
u64 tx_intr_type;
/* Specifies if Tx Intr is UTILZ or PER_LIST type. */
@@ -376,7 +378,7 @@ struct config_param {
u32 rx_ring_num; /*Number of receive rings */
#define MAX_RX_BLOCKS_PER_RING 150
- rx_ring_config_t rx_cfg[MAX_RX_RINGS]; /*Per-Rx Ring config */
+ struct rx_ring_config rx_cfg[MAX_RX_RINGS]; /*Per-Rx Ring config */
u8 bimodal; /*Flag for setting bimodal interrupts*/
#define HEADER_ETHERNET_II_802_3_SIZE 14
@@ -395,14 +397,14 @@ struct config_param {
};
/* Structure representing MAC Addrs */
-typedef struct mac_addr {
+struct mac_addr {
u8 mac_addr[ETH_ALEN];
-} macaddr_t;
+};
/* Structure that represent every FIFO element in the BAR1
* Address location.
*/
-typedef struct _TxFIFO_element {
+struct TxFIFO_element {
u64 TxDL_Pointer;
u64 List_Control;
@@ -413,10 +415,10 @@ typedef struct _TxFIFO_element {
#define TX_FIFO_SPECIAL_FUNC BIT(23)
#define TX_FIFO_DS_NO_SNOOP BIT(31)
#define TX_FIFO_BUFF_NO_SNOOP BIT(30)
-} TxFIFO_element_t;
+};
/* Tx descriptor structure */
-typedef struct _TxD {
+struct TxD {
u64 Control_1;
/* bit mask */
#define TXD_LIST_OWN_XENA BIT(7)
@@ -447,16 +449,16 @@ typedef struct _TxD {
u64 Buffer_Pointer;
u64 Host_Control; /* reserved for host */
-} TxD_t;
+};
/* Structure to hold the phy and virt addr of every TxDL. */
-typedef struct list_info_hold {
+struct list_info_hold {
dma_addr_t list_phy_addr;
void *list_virt_addr;
-} list_info_hold_t;
+};
/* Rx descriptor structure for 1 buffer mode */
-typedef struct _RxD_t {
+struct RxD_t {
u64 Host_Control; /* reserved for host */
u64 Control_1;
#define RXD_OWN_XENA BIT(7)
@@ -481,21 +483,21 @@ typedef struct _RxD_t {
#define SET_NUM_TAG(val) vBIT(val,16,32)
-} RxD_t;
+};
/* Rx descriptor structure for 1 buffer mode */
-typedef struct _RxD1_t {
- struct _RxD_t h;
+struct RxD1 {
+ struct RxD_t h;
#define MASK_BUFFER0_SIZE_1 vBIT(0x3FFF,2,14)
#define SET_BUFFER0_SIZE_1(val) vBIT(val,2,14)
#define RXD_GET_BUFFER0_SIZE_1(_Control_2) \
(u16)((_Control_2 & MASK_BUFFER0_SIZE_1) >> 48)
u64 Buffer0_ptr;
-} RxD1_t;
+};
/* Rx descriptor structure for 3 or 2 buffer mode */
-typedef struct _RxD3_t {
- struct _RxD_t h;
+struct RxD3 {
+ struct RxD_t h;
#define MASK_BUFFER0_SIZE_3 vBIT(0xFF,2,14)
#define MASK_BUFFER1_SIZE_3 vBIT(0xFFFF,16,16)
@@ -515,15 +517,15 @@ typedef struct _RxD3_t {
u64 Buffer0_ptr;
u64 Buffer1_ptr;
u64 Buffer2_ptr;
-} RxD3_t;
+};
/* Structure that represents the Rx descriptor block which contains
* 128 Rx descriptors.
*/
-typedef struct _RxD_block {
+struct RxD_block {
#define MAX_RXDS_PER_BLOCK_1 127
- RxD1_t rxd[MAX_RXDS_PER_BLOCK_1];
+ struct RxD1 rxd[MAX_RXDS_PER_BLOCK_1];
u64 reserved_0;
#define END_OF_BLOCK 0xFEFFFFFFFFFFFFFFULL
@@ -533,22 +535,22 @@ typedef struct _RxD_block {
u64 pNext_RxD_Blk_physical; /* Buff0_ptr.In a 32 bit arch
* the upper 32 bits should
* be 0 */
-} RxD_block_t;
+};
#define SIZE_OF_BLOCK 4096
-#define RXD_MODE_1 0
-#define RXD_MODE_3A 1
-#define RXD_MODE_3B 2
+#define RXD_MODE_1 0 /* One Buffer mode */
+#define RXD_MODE_3A 1 /* Three Buffer mode */
+#define RXD_MODE_3B 2 /* Two Buffer mode */
/* Structure to hold virtual addresses of Buf0 and Buf1 in
* 2buf mode. */
-typedef struct bufAdd {
+struct buffAdd {
void *ba_0_org;
void *ba_1_org;
void *ba_0;
void *ba_1;
-} buffAdd_t;
+};
/* Structure which stores all the MAC control parameters */
@@ -556,43 +558,46 @@ typedef struct bufAdd {
* from which the Rx Interrupt processor can start picking
* up the RxDs for processing.
*/
-typedef struct _rx_curr_get_info_t {
+struct rx_curr_get_info {
u32 block_index;
u32 offset;
u32 ring_len;
-} rx_curr_get_info_t;
+};
-typedef rx_curr_get_info_t rx_curr_put_info_t;
+struct rx_curr_put_info {
+ u32 block_index;
+ u32 offset;
+ u32 ring_len;
+};
/* This structure stores the offset of the TxDl in the FIFO
* from which the Tx Interrupt processor can start picking
* up the TxDLs for send complete interrupt processing.
*/
-typedef struct {
+struct tx_curr_get_info {
u32 offset;
u32 fifo_len;
-} tx_curr_get_info_t;
-
-typedef tx_curr_get_info_t tx_curr_put_info_t;
+};
+struct tx_curr_put_info {
+ u32 offset;
+ u32 fifo_len;
+};
-typedef struct rxd_info {
+struct rxd_info {
void *virt_addr;
dma_addr_t dma_addr;
-}rxd_info_t;
+};
/* Structure that holds the Phy and virt addresses of the Blocks */
-typedef struct rx_block_info {
+struct rx_block_info {
void *block_virt_addr;
dma_addr_t block_dma_addr;
- rxd_info_t *rxds;
-} rx_block_info_t;
-
-/* pre declaration of the nic structure */
-typedef struct s2io_nic nic_t;
+ struct rxd_info *rxds;
+};
/* Ring specific structure */
-typedef struct ring_info {
+struct ring_info {
/* The ring number */
int ring_no;
@@ -600,7 +605,7 @@ typedef struct ring_info {
* Place holders for the virtual and physical addresses of
* all the Rx Blocks
*/
- rx_block_info_t rx_blocks[MAX_RX_BLOCKS_PER_RING];
+ struct rx_block_info rx_blocks[MAX_RX_BLOCKS_PER_RING];
int block_count;
int pkt_cnt;
@@ -608,26 +613,24 @@ typedef struct ring_info {
* Put pointer info which indictes which RxD has to be replenished
* with a new buffer.
*/
- rx_curr_put_info_t rx_curr_put_info;
+ struct rx_curr_put_info rx_curr_put_info;
/*
* Get pointer info which indictes which is the last RxD that was
* processed by the driver.
*/
- rx_curr_get_info_t rx_curr_get_info;
+ struct rx_curr_get_info rx_curr_get_info;
-#ifndef CONFIG_S2IO_NAPI
/* Index to the absolute position of the put pointer of Rx ring */
int put_pos;
-#endif
/* Buffer Address store. */
- buffAdd_t **ba;
- nic_t *nic;
-} ring_info_t;
+ struct buffAdd **ba;
+ struct s2io_nic *nic;
+};
/* Fifo specific structure */
-typedef struct fifo_info {
+struct fifo_info {
/* FIFO number */
int fifo_no;
@@ -635,40 +638,40 @@ typedef struct fifo_info {
int max_txds;
/* Place holder of all the TX List's Phy and Virt addresses. */
- list_info_hold_t *list_info;
+ struct list_info_hold *list_info;
/*
* Current offset within the tx FIFO where driver would write
* new Tx frame
*/
- tx_curr_put_info_t tx_curr_put_info;
+ struct tx_curr_put_info tx_curr_put_info;
/*
* Current offset within tx FIFO from where the driver would start freeing
* the buffers
*/
- tx_curr_get_info_t tx_curr_get_info;
+ struct tx_curr_get_info tx_curr_get_info;
- nic_t *nic;
-}fifo_info_t;
+ struct s2io_nic *nic;
+};
/* Information related to the Tx and Rx FIFOs and Rings of Xena
* is maintained in this structure.
*/
-typedef struct mac_info {
+struct mac_info {
/* tx side stuff */
/* logical pointer of start of each Tx FIFO */
- TxFIFO_element_t __iomem *tx_FIFO_start[MAX_TX_FIFOS];
+ struct TxFIFO_element __iomem *tx_FIFO_start[MAX_TX_FIFOS];
/* Fifo specific structure */
- fifo_info_t fifos[MAX_TX_FIFOS];
+ struct fifo_info fifos[MAX_TX_FIFOS];
/* Save virtual address of TxD page with zero DMA addr(if any) */
void *zerodma_virt_addr;
/* rx side stuff */
/* Ring specific structure */
- ring_info_t rings[MAX_RX_RINGS];
+ struct ring_info rings[MAX_RX_RINGS];
u16 rmac_pause_time;
u16 mc_pause_threshold_q0q3;
@@ -677,14 +680,14 @@ typedef struct mac_info {
void *stats_mem; /* orignal pointer to allocated mem */
dma_addr_t stats_mem_phy; /* Physical address of the stat block */
u32 stats_mem_sz;
- StatInfo_t *stats_info; /* Logical address of the stat block */
-} mac_info_t;
+ struct stat_block *stats_info; /* Logical address of the stat block */
+};
/* structure representing the user defined MAC addresses */
-typedef struct {
+struct usr_addr {
char addr[ETH_ALEN];
int usage_cnt;
-} usr_addr_t;
+};
/* Default Tunable parameters of the NIC. */
#define DEFAULT_FIFO_0_LEN 4096
@@ -717,7 +720,7 @@ struct msix_info_st {
};
/* Data structure to represent a LRO session */
-typedef struct lro {
+struct lro {
struct sk_buff *parent;
struct sk_buff *last_frag;
u8 *l2h;
@@ -733,20 +736,18 @@ typedef struct lro {
u32 cur_tsval;
u32 cur_tsecr;
u8 saw_ts;
-}lro_t;
+};
/* Structure representing one instance of the NIC */
struct s2io_nic {
int rxd_mode;
-#ifdef CONFIG_S2IO_NAPI
/*
* Count of packets to be processed in a given iteration, it will be indicated
* by the quota field of the device structure when NAPI is enabled.
*/
int pkts_to_process;
-#endif
struct net_device *dev;
- mac_info_t mac_control;
+ struct mac_info mac_control;
struct config_param config;
struct pci_dev *pdev;
void __iomem *bar0;
@@ -754,8 +755,8 @@ struct s2io_nic {
#define MAX_MAC_SUPPORTED 16
#define MAX_SUPPORTED_MULTICASTS MAX_MAC_SUPPORTED
- macaddr_t def_mac_addr[MAX_MAC_SUPPORTED];
- macaddr_t pre_mac_addr[MAX_MAC_SUPPORTED];
+ struct mac_addr def_mac_addr[MAX_MAC_SUPPORTED];
+ struct mac_addr pre_mac_addr[MAX_MAC_SUPPORTED];
struct net_device_stats stats;
int high_dma_flag;
@@ -775,9 +776,7 @@ struct s2io_nic {
atomic_t rx_bufs_left[MAX_RX_RINGS];
spinlock_t tx_lock;
-#ifndef CONFIG_S2IO_NAPI
spinlock_t put_lock;
-#endif
#define PROMISC 1
#define ALL_MULTI 2
@@ -785,7 +784,7 @@ struct s2io_nic {
#define MAX_ADDRS_SUPPORTED 64
u16 usr_addr_count;
u16 mc_addr_count;
- usr_addr_t usr_addrs[MAX_ADDRS_SUPPORTED];
+ struct usr_addr usr_addrs[MAX_ADDRS_SUPPORTED];
u16 m_cast_flg;
u16 all_multi_pos;
@@ -841,7 +840,7 @@ struct s2io_nic {
u8 device_type;
#define MAX_LRO_SESSIONS 32
- lro_t lro0_n[MAX_LRO_SESSIONS];
+ struct lro lro0_n[MAX_LRO_SESSIONS];
unsigned long clubbed_frms_cnt;
unsigned long sending_both;
u8 lro;
@@ -855,8 +854,9 @@ struct s2io_nic {
spinlock_t rx_lock;
atomic_t isr_cnt;
u64 *ufo_in_band_v;
-#define VPD_PRODUCT_NAME_LEN 50
- u8 product_name[VPD_PRODUCT_NAME_LEN];
+#define VPD_STRING_LEN 80
+ u8 product_name[VPD_STRING_LEN];
+ u8 serial_num[VPD_STRING_LEN];
};
#define RESET_ERROR 1;
@@ -975,43 +975,50 @@ static void __devexit s2io_rem_nic(struct pci_dev *pdev);
static int init_shared_mem(struct s2io_nic *sp);
static void free_shared_mem(struct s2io_nic *sp);
static int init_nic(struct s2io_nic *nic);
-static void rx_intr_handler(ring_info_t *ring_data);
-static void tx_intr_handler(fifo_info_t *fifo_data);
+static void rx_intr_handler(struct ring_info *ring_data);
+static void tx_intr_handler(struct fifo_info *fifo_data);
static void alarm_intr_handler(struct s2io_nic *sp);
static int s2io_starter(void);
+static void s2io_closer(void);
static void s2io_tx_watchdog(struct net_device *dev);
static void s2io_tasklet(unsigned long dev_addr);
static void s2io_set_multicast(struct net_device *dev);
-static int rx_osm_handler(ring_info_t *ring_data, RxD_t * rxdp);
-static void s2io_link(nic_t * sp, int link);
-#if defined(CONFIG_S2IO_NAPI)
+static int rx_osm_handler(struct ring_info *ring_data, struct RxD_t * rxdp);
+static void s2io_link(struct s2io_nic * sp, int link);
+static void s2io_reset(struct s2io_nic * sp);
static int s2io_poll(struct net_device *dev, int *budget);
-#endif
-static void s2io_init_pci(nic_t * sp);
+static void s2io_init_pci(struct s2io_nic * sp);
static int s2io_set_mac_addr(struct net_device *dev, u8 * addr);
static void s2io_alarm_handle(unsigned long data);
-static int s2io_enable_msi(nic_t *nic);
+static int s2io_enable_msi(struct s2io_nic *nic);
static irqreturn_t s2io_msi_handle(int irq, void *dev_id);
static irqreturn_t
s2io_msix_ring_handle(int irq, void *dev_id);
static irqreturn_t
s2io_msix_fifo_handle(int irq, void *dev_id);
static irqreturn_t s2io_isr(int irq, void *dev_id);
-static int verify_xena_quiescence(nic_t *sp, u64 val64, int flag);
+static int verify_xena_quiescence(struct s2io_nic *sp);
static const struct ethtool_ops netdev_ethtool_ops;
static void s2io_set_link(struct work_struct *work);
-static int s2io_set_swapper(nic_t * sp);
-static void s2io_card_down(nic_t *nic);
-static int s2io_card_up(nic_t *nic);
+static int s2io_set_swapper(struct s2io_nic * sp);
+static void s2io_card_down(struct s2io_nic *nic);
+static int s2io_card_up(struct s2io_nic *nic);
static int get_xena_rev_id(struct pci_dev *pdev);
-static void restore_xmsi_data(nic_t *nic);
+static int wait_for_cmd_complete(void *addr, u64 busy_bit);
+static int s2io_add_isr(struct s2io_nic * sp);
+static void s2io_rem_isr(struct s2io_nic * sp);
+
+static void restore_xmsi_data(struct s2io_nic *nic);
-static int s2io_club_tcp_session(u8 *buffer, u8 **tcp, u32 *tcp_len, lro_t **lro, RxD_t *rxdp, nic_t *sp);
-static void clear_lro_session(lro_t *lro);
+static int
+s2io_club_tcp_session(u8 *buffer, u8 **tcp, u32 *tcp_len, struct lro **lro,
+ struct RxD_t *rxdp, struct s2io_nic *sp);
+static void clear_lro_session(struct lro *lro);
static void queue_rx_frame(struct sk_buff *skb);
-static void update_L3L4_header(nic_t *sp, lro_t *lro);
-static void lro_append_pkt(nic_t *sp, lro_t *lro, struct sk_buff *skb, u32 tcp_len);
+static void update_L3L4_header(struct s2io_nic *sp, struct lro *lro);
+static void lro_append_pkt(struct s2io_nic *sp, struct lro *lro,
+ struct sk_buff *skb, u32 tcp_len);
#define s2io_tcp_mss(skb) skb_shinfo(skb)->gso_size
#define s2io_udp_mss(skb) skb_shinfo(skb)->gso_size
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2024-12-15 03:53:15 +0000