diff options
| -rw-r--r-- | drivers/net/tg3.c | 40 | ||||
| -rw-r--r-- | drivers/net/tg3.h | 3 |
2 files changed, 42 insertions, 1 deletions
diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c index 7274435..b61b52f 100644 --- a/drivers/net/tg3.c +++ b/drivers/net/tg3.c @@ -5259,6 +5259,40 @@ tx_recovery: return work_done; } +static void tg3_process_error(struct tg3 *tp) +{ + u32 val; + bool real_error = false; + + if (tp->tg3_flags & TG3_FLAG_ERROR_PROCESSED) + return; + + /* Check Flow Attention register */ + val = tr32(HOSTCC_FLOW_ATTN); + if (val & ~HOSTCC_FLOW_ATTN_MBUF_LWM) { + netdev_err(tp->dev, "FLOW Attention error. Resetting chip.\n"); + real_error = true; + } + + if (tr32(MSGINT_STATUS) & ~MSGINT_STATUS_MSI_REQ) { + netdev_err(tp->dev, "MSI Status error. Resetting chip.\n"); + real_error = true; + } + + if (tr32(RDMAC_STATUS) || tr32(WDMAC_STATUS)) { + netdev_err(tp->dev, "DMA Status error. Resetting chip.\n"); + real_error = true; + } + + if (!real_error) + return; + + tg3_dump_state(tp); + + tp->tg3_flags |= TG3_FLAG_ERROR_PROCESSED; + schedule_work(&tp->reset_task); +} + static int tg3_poll(struct napi_struct *napi, int budget) { struct tg3_napi *tnapi = container_of(napi, struct tg3_napi, napi); @@ -5267,6 +5301,9 @@ static int tg3_poll(struct napi_struct *napi, int budget) struct tg3_hw_status *sblk = tnapi->hw_status; while (1) { + if (sblk->status & SD_STATUS_ERROR) + tg3_process_error(tp); + tg3_poll_link(tp); work_done = tg3_poll_work(tnapi, work_done, budget); @@ -7316,7 +7353,8 @@ static int tg3_chip_reset(struct tg3 *tp) tg3_restore_pci_state(tp); - tp->tg3_flags &= ~TG3_FLAG_CHIP_RESETTING; + tp->tg3_flags &= ~(TG3_FLAG_CHIP_RESETTING | + TG3_FLAG_ERROR_PROCESSED); val = 0; if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS) diff --git a/drivers/net/tg3.h b/drivers/net/tg3.h index 9912010..b3ccfcc 100644 --- a/drivers/net/tg3.h +++ b/drivers/net/tg3.h @@ -1201,6 +1201,7 @@ #define HOSTCC_STATS_BLK_NIC_ADDR 0x00003c40 #define HOSTCC_STATUS_BLK_NIC_ADDR 0x00003c44 #define HOSTCC_FLOW_ATTN 0x00003c48 +#define HOSTCC_FLOW_ATTN_MBUF_LWM 0x00000040 /* 0x3c4c --> 0x3c50 unused */ #define HOSTCC_JUMBO_CON_IDX 0x00003c50 #define HOSTCC_STD_CON_IDX 0x00003c54 @@ -1611,6 +1612,7 @@ #define MSGINT_MODE_ONE_SHOT_DISABLE 0x00000020 #define MSGINT_MODE_MULTIVEC_EN 0x00000080 #define MSGINT_STATUS 0x00006004 +#define MSGINT_STATUS_MSI_REQ 0x00000001 #define MSGINT_FIFO 0x00006008 /* 0x600c --> 0x6400 unused */ @@ -2886,6 +2888,7 @@ struct tg3 { #define TG3_FLAG_TAGGED_STATUS 0x00000001 #define TG3_FLAG_TXD_MBOX_HWBUG 0x00000002 #define TG3_FLAG_USE_LINKCHG_REG 0x00000008 +#define TG3_FLAG_ERROR_PROCESSED 0x00000010 #define TG3_FLAG_ENABLE_ASF 0x00000020 #define TG3_FLAG_ASPM_WORKAROUND 0x00000040 #define TG3_FLAG_POLL_SERDES 0x00000080 |