diff options
Diffstat (limited to 'drivers/net/tg3.h')
| -rw-r--r-- | drivers/net/tg3.h | 32 |
1 files changed, 26 insertions, 6 deletions
diff --git a/drivers/net/tg3.h b/drivers/net/tg3.h index 8de6f21037ba..99c5f9675a56 100644 --- a/drivers/net/tg3.h +++ b/drivers/net/tg3.h @@ -876,10 +876,12 @@ #define HOSTCC_STATUS_ERROR_ATTN 0x00000004 #define HOSTCC_RXCOL_TICKS 0x00003c08 #define LOW_RXCOL_TICKS 0x00000032 +#define LOW_RXCOL_TICKS_CLRTCKS 0x00000014 #define DEFAULT_RXCOL_TICKS 0x00000048 #define HIGH_RXCOL_TICKS 0x00000096 #define HOSTCC_TXCOL_TICKS 0x00003c0c #define LOW_TXCOL_TICKS 0x00000096 +#define LOW_TXCOL_TICKS_CLRTCKS 0x00000048 #define DEFAULT_TXCOL_TICKS 0x0000012c #define HIGH_TXCOL_TICKS 0x00000145 #define HOSTCC_RXMAX_FRAMES 0x00003c10 @@ -892,8 +894,10 @@ #define HIGH_TXMAX_FRAMES 0x00000052 #define HOSTCC_RXCOAL_TICK_INT 0x00003c18 #define DEFAULT_RXCOAL_TICK_INT 0x00000019 +#define DEFAULT_RXCOAL_TICK_INT_CLRTCKS 0x00000014 #define HOSTCC_TXCOAL_TICK_INT 0x00003c1c #define DEFAULT_TXCOAL_TICK_INT 0x00000019 +#define DEFAULT_TXCOAL_TICK_INT_CLRTCKS 0x00000014 #define HOSTCC_RXCOAL_MAXF_INT 0x00003c20 #define DEFAULT_RXCOAL_MAXF_INT 0x00000005 #define HOSTCC_TXCOAL_MAXF_INT 0x00003c24 @@ -2002,17 +2006,31 @@ struct tg3_ethtool_stats { struct tg3 { /* begin "general, frequently-used members" cacheline section */ + /* If the IRQ handler (which runs lockless) needs to be + * quiesced, the following bitmask state is used. The + * SYNC flag is set by non-IRQ context code to initiate + * the quiescence. + * + * When the IRQ handler notices that SYNC is set, it + * disables interrupts and returns. + * + * When all outstanding IRQ handlers have returned after + * the SYNC flag has been set, the setter can be assured + * that interrupts will no longer get run. + * + * In this way all SMP driver locks are never acquired + * in hw IRQ context, only sw IRQ context or lower. + */ + unsigned int irq_sync; + /* SMP locking strategy: * * lock: Held during all operations except TX packet * processing. * - * tx_lock: Held during tg3_start_xmit{,_4gbug} and tg3_tx + * tx_lock: Held during tg3_start_xmit and tg3_tx * - * If you want to shut up all asynchronous processing you must - * acquire both locks, 'lock' taken before 'tx_lock'. IRQs must - * be disabled to take 'lock' but only softirq disabling is - * necessary for acquisition of 'tx_lock'. + * Both of these locks are to be held with BH safety. */ spinlock_t lock; spinlock_t indirect_lock; @@ -2023,6 +2041,7 @@ struct tg3 { struct tg3_hw_status *hw_status; dma_addr_t status_mapping; + u32 last_tag; u32 msg_enable; @@ -2068,6 +2087,7 @@ struct tg3 { u32 rx_offset; u32 tg3_flags; +#define TG3_FLAG_TAGGED_STATUS 0x00000001 #define TG3_FLAG_TXD_MBOX_HWBUG 0x00000002 #define TG3_FLAG_RX_CHECKSUMS 0x00000004 #define TG3_FLAG_USE_LINKCHG_REG 0x00000008 @@ -2225,7 +2245,7 @@ struct tg3 { #define SST_25VF0X0_PAGE_SIZE 4098 - + struct ethtool_coalesce coal; }; #endif /* !(_T3_H) */ |