#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 */
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 rmac_accepted_ip_oflow;
u32 reserved_14;
u32 link_fault_cnt;
+ u8 buffer[20];
swStat_t sw_stat;
+ xpakStat_t xpak_stat;
} StatInfo_t;
/*
} 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;
+ 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;
char desc1[35];
char desc2[35];
+ int avail_msix_vectors; /* No. of MSI-X vectors granted by system */
+
struct msix_info_st msix_info[0x3f];
#define XFRAME_I_DEVICE 1
#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 struct ethtool_ops netdev_ethtool_ops;
static void s2io_set_link(unsigned long data);
static int s2io_set_swapper(nic_t * sp);
-static void s2io_card_down(nic_t *nic);
+static void s2io_card_down(nic_t *nic, int flag);
static int s2io_card_up(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);
#endif /* _S2IO_H */
git.openpandora.org / pandora-kernel.git / blobdiff