#define SUCCESS 0
#define FAILURE -1
+#define CHECKBIT(value, nbit) (value & (1 << nbit))
+
/* Maximum time to flicker LED when asked to identify NIC using ethtool */
#define MAX_FLICKER_TIME 60000 /* 60 Secs */
#define INTR_DBG 4
/* Global variable that defines the present debug level of the driver. */
-int debug_level = ERR_DBG; /* Default level. */
+static int debug_level = ERR_DBG;
/* DEBUG message print. */
#define DBG_PRINT(dbg_level, args...) if(!(debug_level<dbg_level)) printk(args)
typedef struct {
unsigned long long single_ecc_errs;
unsigned long long double_ecc_errs;
+ unsigned long long parity_err_cnt;
+ unsigned long long serious_err_cnt;
+ unsigned long long soft_reset_cnt;
+ unsigned long long fifo_full_cnt;
+ unsigned long long ring_full_cnt;
+ /* LRO statistics */
+ unsigned long long clubbed_frms_cnt;
+ unsigned long long sending_both;
+ unsigned long long outof_sequence_pkts;
+ 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 {
+ u64 alarm_transceiver_temp_high;
+ u64 alarm_transceiver_temp_low;
+ u64 alarm_laser_bias_current_high;
+ u64 alarm_laser_bias_current_low;
+ u64 alarm_laser_output_power_high;
+ u64 alarm_laser_output_power_low;
+ u64 warn_transceiver_temp_high;
+ u64 warn_transceiver_temp_low;
+ u64 warn_laser_bias_current_high;
+ u64 warn_laser_bias_current_low;
+ u64 warn_laser_output_power_high;
+ 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 {
/* Tx MAC statistics counters. */
- u32 tmac_data_octets;
- u32 tmac_frms;
- u64 tmac_drop_frms;
- u32 tmac_bcst_frms;
- u32 tmac_mcst_frms;
- u64 tmac_pause_ctrl_frms;
- u32 tmac_ucst_frms;
- u32 tmac_ttl_octets;
- u32 tmac_any_err_frms;
- u32 tmac_nucst_frms;
- u64 tmac_ttl_less_fb_octets;
- u64 tmac_vld_ip_octets;
- u32 tmac_drop_ip;
- u32 tmac_vld_ip;
- u32 tmac_rst_tcp;
- u32 tmac_icmp;
- u64 tmac_tcp;
- u32 reserved_0;
- u32 tmac_udp;
+ __le32 tmac_data_octets;
+ __le32 tmac_frms;
+ __le64 tmac_drop_frms;
+ __le32 tmac_bcst_frms;
+ __le32 tmac_mcst_frms;
+ __le64 tmac_pause_ctrl_frms;
+ __le32 tmac_ucst_frms;
+ __le32 tmac_ttl_octets;
+ __le32 tmac_any_err_frms;
+ __le32 tmac_nucst_frms;
+ __le64 tmac_ttl_less_fb_octets;
+ __le64 tmac_vld_ip_octets;
+ __le32 tmac_drop_ip;
+ __le32 tmac_vld_ip;
+ __le32 tmac_rst_tcp;
+ __le32 tmac_icmp;
+ __le64 tmac_tcp;
+ __le32 reserved_0;
+ __le32 tmac_udp;
/* Rx MAC Statistics counters. */
- u32 rmac_data_octets;
- u32 rmac_vld_frms;
- u64 rmac_fcs_err_frms;
- u64 rmac_drop_frms;
- u32 rmac_vld_bcst_frms;
- u32 rmac_vld_mcst_frms;
- u32 rmac_out_rng_len_err_frms;
- u32 rmac_in_rng_len_err_frms;
- u64 rmac_long_frms;
- u64 rmac_pause_ctrl_frms;
- u64 rmac_unsup_ctrl_frms;
- u32 rmac_accepted_ucst_frms;
- u32 rmac_ttl_octets;
- u32 rmac_discarded_frms;
- u32 rmac_accepted_nucst_frms;
- u32 reserved_1;
- u32 rmac_drop_events;
- u64 rmac_ttl_less_fb_octets;
- u64 rmac_ttl_frms;
- u64 reserved_2;
- u32 rmac_usized_frms;
- u32 reserved_3;
- u32 rmac_frag_frms;
- u32 rmac_osized_frms;
- u32 reserved_4;
- u32 rmac_jabber_frms;
- u64 rmac_ttl_64_frms;
- u64 rmac_ttl_65_127_frms;
- u64 reserved_5;
- u64 rmac_ttl_128_255_frms;
- u64 rmac_ttl_256_511_frms;
- u64 reserved_6;
- u64 rmac_ttl_512_1023_frms;
- u64 rmac_ttl_1024_1518_frms;
- u32 rmac_ip;
- u32 reserved_7;
- u64 rmac_ip_octets;
- u32 rmac_drop_ip;
- u32 rmac_hdr_err_ip;
- u32 reserved_8;
- u32 rmac_icmp;
- u64 rmac_tcp;
- u32 rmac_err_drp_udp;
- u32 rmac_udp;
- u64 rmac_xgmii_err_sym;
- u64 rmac_frms_q0;
- u64 rmac_frms_q1;
- u64 rmac_frms_q2;
- u64 rmac_frms_q3;
- u64 rmac_frms_q4;
- u64 rmac_frms_q5;
- u64 rmac_frms_q6;
- u64 rmac_frms_q7;
- u16 rmac_full_q3;
- u16 rmac_full_q2;
- u16 rmac_full_q1;
- u16 rmac_full_q0;
- u16 rmac_full_q7;
- u16 rmac_full_q6;
- u16 rmac_full_q5;
- u16 rmac_full_q4;
- u32 reserved_9;
- u32 rmac_pause_cnt;
- u64 rmac_xgmii_data_err_cnt;
- u64 rmac_xgmii_ctrl_err_cnt;
- u32 rmac_err_tcp;
- u32 rmac_accepted_ip;
+ __le32 rmac_data_octets;
+ __le32 rmac_vld_frms;
+ __le64 rmac_fcs_err_frms;
+ __le64 rmac_drop_frms;
+ __le32 rmac_vld_bcst_frms;
+ __le32 rmac_vld_mcst_frms;
+ __le32 rmac_out_rng_len_err_frms;
+ __le32 rmac_in_rng_len_err_frms;
+ __le64 rmac_long_frms;
+ __le64 rmac_pause_ctrl_frms;
+ __le64 rmac_unsup_ctrl_frms;
+ __le32 rmac_accepted_ucst_frms;
+ __le32 rmac_ttl_octets;
+ __le32 rmac_discarded_frms;
+ __le32 rmac_accepted_nucst_frms;
+ __le32 reserved_1;
+ __le32 rmac_drop_events;
+ __le64 rmac_ttl_less_fb_octets;
+ __le64 rmac_ttl_frms;
+ __le64 reserved_2;
+ __le32 rmac_usized_frms;
+ __le32 reserved_3;
+ __le32 rmac_frag_frms;
+ __le32 rmac_osized_frms;
+ __le32 reserved_4;
+ __le32 rmac_jabber_frms;
+ __le64 rmac_ttl_64_frms;
+ __le64 rmac_ttl_65_127_frms;
+ __le64 reserved_5;
+ __le64 rmac_ttl_128_255_frms;
+ __le64 rmac_ttl_256_511_frms;
+ __le64 reserved_6;
+ __le64 rmac_ttl_512_1023_frms;
+ __le64 rmac_ttl_1024_1518_frms;
+ __le32 rmac_ip;
+ __le32 reserved_7;
+ __le64 rmac_ip_octets;
+ __le32 rmac_drop_ip;
+ __le32 rmac_hdr_err_ip;
+ __le32 reserved_8;
+ __le32 rmac_icmp;
+ __le64 rmac_tcp;
+ __le32 rmac_err_drp_udp;
+ __le32 rmac_udp;
+ __le64 rmac_xgmii_err_sym;
+ __le64 rmac_frms_q0;
+ __le64 rmac_frms_q1;
+ __le64 rmac_frms_q2;
+ __le64 rmac_frms_q3;
+ __le64 rmac_frms_q4;
+ __le64 rmac_frms_q5;
+ __le64 rmac_frms_q6;
+ __le64 rmac_frms_q7;
+ __le16 rmac_full_q3;
+ __le16 rmac_full_q2;
+ __le16 rmac_full_q1;
+ __le16 rmac_full_q0;
+ __le16 rmac_full_q7;
+ __le16 rmac_full_q6;
+ __le16 rmac_full_q5;
+ __le16 rmac_full_q4;
+ __le32 reserved_9;
+ __le32 rmac_pause_cnt;
+ __le64 rmac_xgmii_data_err_cnt;
+ __le64 rmac_xgmii_ctrl_err_cnt;
+ __le32 rmac_err_tcp;
+ __le32 rmac_accepted_ip;
/* PCI/PCI-X Read transaction statistics. */
- u32 new_rd_req_cnt;
- u32 rd_req_cnt;
- u32 rd_rtry_cnt;
- u32 new_rd_req_rtry_cnt;
+ __le32 new_rd_req_cnt;
+ __le32 rd_req_cnt;
+ __le32 rd_rtry_cnt;
+ __le32 new_rd_req_rtry_cnt;
/* PCI/PCI-X Write/Read transaction statistics. */
- u32 wr_req_cnt;
- u32 wr_rtry_rd_ack_cnt;
- u32 new_wr_req_rtry_cnt;
- u32 new_wr_req_cnt;
- u32 wr_disc_cnt;
- u32 wr_rtry_cnt;
+ __le32 wr_req_cnt;
+ __le32 wr_rtry_rd_ack_cnt;
+ __le32 new_wr_req_rtry_cnt;
+ __le32 new_wr_req_cnt;
+ __le32 wr_disc_cnt;
+ __le32 wr_rtry_cnt;
/* PCI/PCI-X Write / DMA Transaction statistics. */
- u32 txp_wr_cnt;
- u32 rd_rtry_wr_ack_cnt;
- u32 txd_wr_cnt;
- u32 txd_rd_cnt;
- u32 rxd_wr_cnt;
- u32 rxd_rd_cnt;
- u32 rxf_wr_cnt;
- u32 txf_rd_cnt;
+ __le32 txp_wr_cnt;
+ __le32 rd_rtry_wr_ack_cnt;
+ __le32 txd_wr_cnt;
+ __le32 txd_rd_cnt;
+ __le32 rxd_wr_cnt;
+ __le32 rxd_rd_cnt;
+ __le32 rxf_wr_cnt;
+ __le32 txf_rd_cnt;
/* Tx MAC statistics overflow counters. */
- u32 tmac_data_octets_oflow;
- u32 tmac_frms_oflow;
- u32 tmac_bcst_frms_oflow;
- u32 tmac_mcst_frms_oflow;
- u32 tmac_ucst_frms_oflow;
- u32 tmac_ttl_octets_oflow;
- u32 tmac_any_err_frms_oflow;
- u32 tmac_nucst_frms_oflow;
- u64 tmac_vlan_frms;
- u32 tmac_drop_ip_oflow;
- u32 tmac_vld_ip_oflow;
- u32 tmac_rst_tcp_oflow;
- u32 tmac_icmp_oflow;
- u32 tpa_unknown_protocol;
- u32 tmac_udp_oflow;
- u32 reserved_10;
- u32 tpa_parse_failure;
+ __le32 tmac_data_octets_oflow;
+ __le32 tmac_frms_oflow;
+ __le32 tmac_bcst_frms_oflow;
+ __le32 tmac_mcst_frms_oflow;
+ __le32 tmac_ucst_frms_oflow;
+ __le32 tmac_ttl_octets_oflow;
+ __le32 tmac_any_err_frms_oflow;
+ __le32 tmac_nucst_frms_oflow;
+ __le64 tmac_vlan_frms;
+ __le32 tmac_drop_ip_oflow;
+ __le32 tmac_vld_ip_oflow;
+ __le32 tmac_rst_tcp_oflow;
+ __le32 tmac_icmp_oflow;
+ __le32 tpa_unknown_protocol;
+ __le32 tmac_udp_oflow;
+ __le32 reserved_10;
+ __le32 tpa_parse_failure;
/* Rx MAC Statistics overflow counters. */
- u32 rmac_data_octets_oflow;
- u32 rmac_vld_frms_oflow;
- u32 rmac_vld_bcst_frms_oflow;
- u32 rmac_vld_mcst_frms_oflow;
- u32 rmac_accepted_ucst_frms_oflow;
- u32 rmac_ttl_octets_oflow;
- u32 rmac_discarded_frms_oflow;
- u32 rmac_accepted_nucst_frms_oflow;
- u32 rmac_usized_frms_oflow;
- u32 rmac_drop_events_oflow;
- u32 rmac_frag_frms_oflow;
- u32 rmac_osized_frms_oflow;
- u32 rmac_ip_oflow;
- u32 rmac_jabber_frms_oflow;
- u32 rmac_icmp_oflow;
- u32 rmac_drop_ip_oflow;
- u32 rmac_err_drp_udp_oflow;
- u32 rmac_udp_oflow;
- u32 reserved_11;
- u32 rmac_pause_cnt_oflow;
- u64 rmac_ttl_1519_4095_frms;
- u64 rmac_ttl_4096_8191_frms;
- u64 rmac_ttl_8192_max_frms;
- u64 rmac_ttl_gt_max_frms;
- u64 rmac_osized_alt_frms;
- u64 rmac_jabber_alt_frms;
- u64 rmac_gt_max_alt_frms;
- u64 rmac_vlan_frms;
- u32 rmac_len_discard;
- u32 rmac_fcs_discard;
- u32 rmac_pf_discard;
- u32 rmac_da_discard;
- u32 rmac_red_discard;
- u32 rmac_rts_discard;
- u32 reserved_12;
- u32 rmac_ingm_full_discard;
- u32 reserved_13;
- u32 rmac_accepted_ip_oflow;
- u32 reserved_14;
- u32 link_fault_cnt;
+ __le32 rmac_data_octets_oflow;
+ __le32 rmac_vld_frms_oflow;
+ __le32 rmac_vld_bcst_frms_oflow;
+ __le32 rmac_vld_mcst_frms_oflow;
+ __le32 rmac_accepted_ucst_frms_oflow;
+ __le32 rmac_ttl_octets_oflow;
+ __le32 rmac_discarded_frms_oflow;
+ __le32 rmac_accepted_nucst_frms_oflow;
+ __le32 rmac_usized_frms_oflow;
+ __le32 rmac_drop_events_oflow;
+ __le32 rmac_frag_frms_oflow;
+ __le32 rmac_osized_frms_oflow;
+ __le32 rmac_ip_oflow;
+ __le32 rmac_jabber_frms_oflow;
+ __le32 rmac_icmp_oflow;
+ __le32 rmac_drop_ip_oflow;
+ __le32 rmac_err_drp_udp_oflow;
+ __le32 rmac_udp_oflow;
+ __le32 reserved_11;
+ __le32 rmac_pause_cnt_oflow;
+ __le64 rmac_ttl_1519_4095_frms;
+ __le64 rmac_ttl_4096_8191_frms;
+ __le64 rmac_ttl_8192_max_frms;
+ __le64 rmac_ttl_gt_max_frms;
+ __le64 rmac_osized_alt_frms;
+ __le64 rmac_jabber_alt_frms;
+ __le64 rmac_gt_max_alt_frms;
+ __le64 rmac_vlan_frms;
+ __le32 rmac_len_discard;
+ __le32 rmac_fcs_discard;
+ __le32 rmac_pf_discard;
+ __le32 rmac_da_discard;
+ __le32 rmac_red_discard;
+ __le32 rmac_rts_discard;
+ __le32 reserved_12;
+ __le32 rmac_ingm_full_discard;
+ __le32 reserved_13;
+ __le32 rmac_accepted_ip_oflow;
+ __le32 reserved_14;
+ __le32 link_fault_cnt;
+ u8 buffer[20];
swStat_t sw_stat;
+ xpakStat_t xpak_stat;
} StatInfo_t;
/*
#define MAX_RX_RINGS 8
/* FIFO mappings for all possible number of fifos configured */
-int fifo_map[][MAX_TX_FIFOS] = {
+static int fifo_map[][MAX_TX_FIFOS] = {
{0, 0, 0, 0, 0, 0, 0, 0},
{0, 0, 0, 0, 1, 1, 1, 1},
{0, 0, 0, 1, 1, 1, 2, 2},
nic_t *nic;
}fifo_info_t;
-/* Infomation related to the Tx and Rx FIFOs and Rings of Xena
+/* Information related to the Tx and Rx FIFOs and Rings of Xena
* is maintained in this structure.
*/
typedef struct mac_info {
} usr_addr_t;
/* Default Tunable parameters of the NIC. */
-#define DEFAULT_FIFO_LEN 4096
+#define DEFAULT_FIFO_0_LEN 4096
+#define DEFAULT_FIFO_1_7_LEN 512
#define SMALL_BLK_CNT 30
#define LARGE_BLK_CNT 100
u64 data;
};
+/* Data structure to represent a LRO session */
+typedef struct lro {
+ struct sk_buff *parent;
+ struct sk_buff *last_frag;
+ u8 *l2h;
+ struct iphdr *iph;
+ struct tcphdr *tcph;
+ u32 tcp_next_seq;
+ u32 tcp_ack;
+ int total_len;
+ int frags_len;
+ int sg_num;
+ int in_use;
+ u16 window;
+ u32 cur_tsval;
+ u32 cur_tsecr;
+ u8 saw_ts;
+}lro_t;
+
/* Structure representing one instance of the NIC */
struct s2io_nic {
int rxd_mode;
int device_close_flag;
int device_enabled_once;
- char name[50];
+ char name[60];
struct tasklet_struct task;
volatile unsigned long tasklet_status;
#define MSIX_FLG 0xA5
struct msix_entry *entries;
struct s2io_msix_entry *s2io_entries;
- char desc1[35];
- char desc2[35];
+ char desc[MAX_REQUESTED_MSI_X][25];
+
+ int avail_msix_vectors; /* No. of MSI-X vectors granted by system */
struct msix_info_st msix_info[0x3f];
#define XFRAME_II_DEVICE 2
u8 device_type;
+#define MAX_LRO_SESSIONS 32
+ lro_t lro0_n[MAX_LRO_SESSIONS];
+ unsigned long clubbed_frms_cnt;
+ unsigned long sending_both;
+ u8 lro;
+ u16 lro_max_aggr_per_sess;
+
#define INTA 0
#define MSI 1
#define MSI_X 2
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 RESET_ERROR 1;
writel((u32) (val), addr);
writel((u32) (val >> 32), (addr + 4));
}
+#endif
-/* In 32 bit modes, some registers have to be written in a
- * particular order to expect correct hardware operation. The
- * macro SPECIAL_REG_WRITE is used to perform such ordered
- * writes. Defines UF (Upper First) and LF (Lower First) will
- * be used to specify the required write order.
+/*
+ * Some registers have to be written in a particular order to
+ * expect correct hardware operation. The macro SPECIAL_REG_WRITE
+ * is used to perform such ordered writes. Defines UF (Upper First)
+ * and LF (Lower First) will be used to specify the required write order.
*/
#define UF 1
#define LF 2
static inline void SPECIAL_REG_WRITE(u64 val, void __iomem *addr, int order)
{
+ u32 ret;
+
if (order == LF) {
writel((u32) (val), addr);
+ ret = readl(addr);
writel((u32) (val >> 32), (addr + 4));
+ ret = readl(addr + 4);
} else {
writel((u32) (val >> 32), (addr + 4));
+ ret = readl(addr + 4);
writel((u32) (val), addr);
+ ret = readl(addr);
}
}
-#else
-#define SPECIAL_REG_WRITE(val, addr, dummy) writeq(val, addr)
-#endif
/* Interrupt related values of Xena */
static void alarm_intr_handler(struct s2io_nic *sp);
static int s2io_starter(void);
-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);
-void s2io_link(nic_t * sp, int link);
-void s2io_reset(nic_t * sp);
+static void s2io_link(nic_t * sp, int link);
#if defined(CONFIG_S2IO_NAPI)
static int s2io_poll(struct net_device *dev, int *budget);
#endif
static void s2io_init_pci(nic_t * sp);
-int s2io_set_mac_addr(struct net_device *dev, u8 * addr);
+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 irqreturn_t s2io_msi_handle(int irq, void *dev_id, struct pt_regs *regs);
+static irqreturn_t s2io_msi_handle(int irq, void *dev_id);
static irqreturn_t
-s2io_msix_ring_handle(int irq, void *dev_id, struct pt_regs *regs);
+s2io_msix_ring_handle(int irq, void *dev_id);
static irqreturn_t
-s2io_msix_fifo_handle(int irq, void *dev_id, struct pt_regs *regs);
-int s2io_enable_msi_x(nic_t *nic);
-static irqreturn_t s2io_isr(int irq, void *dev_id, struct pt_regs *regs);
+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 struct ethtool_ops netdev_ethtool_ops;
-static void s2io_set_link(unsigned long data);
-int s2io_set_swapper(nic_t * 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);
-int get_xena_rev_id(struct pci_dev *pdev);
-void restore_xmsi_data(nic_t *nic);
+static int get_xena_rev_id(struct pci_dev *pdev);
+static void restore_xmsi_data(nic_t *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 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);
+
+#define s2io_tcp_mss(skb) skb_shinfo(skb)->gso_size
+#define s2io_udp_mss(skb) skb_shinfo(skb)->gso_size
+#define s2io_offload_type(skb) skb_shinfo(skb)->gso_type
+
+#define S2IO_PARM_INT(X, def_val) \
+ static unsigned int X = def_val;\
+ module_param(X , uint, 0);
+
#endif /* _S2IO_H */
git://git.onelab.eu / linux-2.6.git / blobdiff