diff options
author | Patrick McHardy <kaber@trash.net> | 2010-05-10 18:39:28 +0200 |
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committer | Patrick McHardy <kaber@trash.net> | 2010-05-10 18:39:28 +0200 |
commit | 1e4b1057121bc756b91758a434b504d2010f6088 (patch) | |
tree | b016cf2c728289c7e36d9e4e488f30ab0bd0ae6e /drivers/net/qlcnic/qlcnic_main.c | |
parent | 3b254c54ec46eb022cb26ee6ab37fae23f5f7d6a (diff) | |
parent | 3ee943728fff536edaf8f59faa58aaa1aa7366e3 (diff) | |
download | op-kernel-dev-1e4b1057121bc756b91758a434b504d2010f6088.zip op-kernel-dev-1e4b1057121bc756b91758a434b504d2010f6088.tar.gz |
Merge branch 'master' of /repos/git/net-next-2.6
Conflicts:
net/bridge/br_device.c
net/bridge/br_forward.c
Signed-off-by: Patrick McHardy <kaber@trash.net>
Diffstat (limited to 'drivers/net/qlcnic/qlcnic_main.c')
-rw-r--r-- | drivers/net/qlcnic/qlcnic_main.c | 119 |
1 files changed, 74 insertions, 45 deletions
diff --git a/drivers/net/qlcnic/qlcnic_main.c b/drivers/net/qlcnic/qlcnic_main.c index e4fd5dc..ee573fe 100644 --- a/drivers/net/qlcnic/qlcnic_main.c +++ b/drivers/net/qlcnic/qlcnic_main.c @@ -208,6 +208,9 @@ qlcnic_napi_enable(struct qlcnic_adapter *adapter) struct qlcnic_host_sds_ring *sds_ring; struct qlcnic_recv_context *recv_ctx = &adapter->recv_ctx; + if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) + return; + for (ring = 0; ring < adapter->max_sds_rings; ring++) { sds_ring = &recv_ctx->sds_rings[ring]; napi_enable(&sds_ring->napi); @@ -222,6 +225,9 @@ qlcnic_napi_disable(struct qlcnic_adapter *adapter) struct qlcnic_host_sds_ring *sds_ring; struct qlcnic_recv_context *recv_ctx = &adapter->recv_ctx; + if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) + return; + for (ring = 0; ring < adapter->max_sds_rings; ring++) { sds_ring = &recv_ctx->sds_rings[ring]; qlcnic_disable_int(sds_ring); @@ -1573,6 +1579,11 @@ qlcnic_xmit_frame(struct sk_buff *skb, struct net_device *netdev) int frag_count, no_of_desc; u32 num_txd = tx_ring->num_desc; + if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) { + netif_stop_queue(netdev); + return NETDEV_TX_BUSY; + } + frag_count = skb_shinfo(skb)->nr_frags + 1; /* 4 fragments per cmd des */ @@ -1589,8 +1600,10 @@ qlcnic_xmit_frame(struct sk_buff *skb, struct net_device *netdev) pdev = adapter->pdev; - if (qlcnic_map_tx_skb(pdev, skb, pbuf)) + if (qlcnic_map_tx_skb(pdev, skb, pbuf)) { + adapter->stats.tx_dma_map_error++; goto drop_packet; + } pbuf->skb = skb; pbuf->frag_count = frag_count; @@ -1947,8 +1960,8 @@ static void qlcnic_poll_controller(struct net_device *netdev) } #endif -static void -qlcnic_set_drv_state(struct qlcnic_adapter *adapter, int state) +static int +qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state) { u32 val; @@ -1956,18 +1969,20 @@ qlcnic_set_drv_state(struct qlcnic_adapter *adapter, int state) state != QLCNIC_DEV_NEED_QUISCENT); if (qlcnic_api_lock(adapter)) - return ; + return -EIO; val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE); if (state == QLCNIC_DEV_NEED_RESET) - val |= ((u32)0x1 << (adapter->portnum * 4)); + QLC_DEV_SET_RST_RDY(val, adapter->portnum); else if (state == QLCNIC_DEV_NEED_QUISCENT) - val |= ((u32)0x1 << ((adapter->portnum * 4) + 1)); + QLC_DEV_SET_QSCNT_RDY(val, adapter->portnum); QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val); qlcnic_api_unlock(adapter); + + return 0; } static int @@ -1979,7 +1994,7 @@ qlcnic_clr_drv_state(struct qlcnic_adapter *adapter) return -EBUSY; val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE); - val &= ~((u32)0x3 << (adapter->portnum * 4)); + QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum); QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val); qlcnic_api_unlock(adapter); @@ -1996,14 +2011,14 @@ qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter) goto err; val = QLCRD32(adapter, QLCNIC_CRB_DEV_REF_COUNT); - val &= ~((u32)0x1 << (adapter->portnum * 4)); + QLC_DEV_CLR_REF_CNT(val, adapter->portnum); QLCWR32(adapter, QLCNIC_CRB_DEV_REF_COUNT, val); if (!(val & 0x11111111)) QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_COLD); val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE); - val &= ~((u32)0x3 << (adapter->portnum * 4)); + QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum); QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val); qlcnic_api_unlock(adapter); @@ -2013,6 +2028,7 @@ err: clear_bit(__QLCNIC_RESETTING, &adapter->state); } +/* Grab api lock, before checking state */ static int qlcnic_check_drv_state(struct qlcnic_adapter *adapter) { @@ -2033,17 +2049,18 @@ qlcnic_can_start_firmware(struct qlcnic_adapter *adapter) { u32 val, prev_state; u8 dev_init_timeo = adapter->dev_init_timeo; - int portnum = adapter->portnum; + u8 portnum = adapter->portnum; + + if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state)) + return 1; if (qlcnic_api_lock(adapter)) return -1; val = QLCRD32(adapter, QLCNIC_CRB_DEV_REF_COUNT); - if (!(val & ((int)0x1 << (portnum * 4)))) { - val |= ((u32)0x1 << (portnum * 4)); + if (!(val & (1 << (portnum * 4)))) { + QLC_DEV_SET_REF_CNT(val, portnum); QLCWR32(adapter, QLCNIC_CRB_DEV_REF_COUNT, val); - } else if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state)) { - goto start_fw; } prev_state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE); @@ -2051,8 +2068,7 @@ qlcnic_can_start_firmware(struct qlcnic_adapter *adapter) switch (prev_state) { case QLCNIC_DEV_COLD: -start_fw: - QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_INITALIZING); + QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_INITIALIZING); qlcnic_api_unlock(adapter); return 1; @@ -2062,19 +2078,23 @@ start_fw: case QLCNIC_DEV_NEED_RESET: val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE); - val |= ((u32)0x1 << (portnum * 4)); + QLC_DEV_SET_RST_RDY(val, portnum); QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val); break; case QLCNIC_DEV_NEED_QUISCENT: val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE); - val |= ((u32)0x1 << ((portnum * 4) + 1)); + QLC_DEV_SET_QSCNT_RDY(val, portnum); QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val); break; case QLCNIC_DEV_FAILED: qlcnic_api_unlock(adapter); return -1; + + case QLCNIC_DEV_INITIALIZING: + case QLCNIC_DEV_QUISCENT: + break; } qlcnic_api_unlock(adapter); @@ -2094,7 +2114,7 @@ start_fw: return -1; val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE); - val &= ~((u32)0x3 << (portnum * 4)); + QLC_DEV_CLR_RST_QSCNT(val, portnum); QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val); qlcnic_api_unlock(adapter); @@ -2107,51 +2127,59 @@ qlcnic_fwinit_work(struct work_struct *work) { struct qlcnic_adapter *adapter = container_of(work, struct qlcnic_adapter, fw_work.work); - int dev_state; + u32 dev_state = 0xf; - if (test_bit(__QLCNIC_START_FW, &adapter->state)) { + if (qlcnic_api_lock(adapter)) + goto err_ret; - if (qlcnic_check_drv_state(adapter) && - (adapter->fw_wait_cnt++ < adapter->reset_ack_timeo)) { - qlcnic_schedule_work(adapter, - qlcnic_fwinit_work, FW_POLL_DELAY); - return; + if (adapter->fw_wait_cnt++ > adapter->reset_ack_timeo) { + dev_err(&adapter->pdev->dev, "Reset:Failed to get ack %d sec\n", + adapter->reset_ack_timeo); + goto skip_ack_check; + } + + if (!qlcnic_check_drv_state(adapter)) { +skip_ack_check: + dev_state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE); + if (dev_state == QLCNIC_DEV_NEED_RESET) { + QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, + QLCNIC_DEV_INITIALIZING); + set_bit(__QLCNIC_START_FW, &adapter->state); + QLCDB(adapter, DRV, "Restarting fw\n"); } - QLCDB(adapter, DRV, "Resetting FW\n"); + qlcnic_api_unlock(adapter); + if (!qlcnic_start_firmware(adapter)) { qlcnic_schedule_work(adapter, qlcnic_attach_work, 0); return; } - goto err_ret; } - if (adapter->fw_wait_cnt++ > (adapter->dev_init_timeo / 2)) { - dev_err(&adapter->pdev->dev, - "Waiting for device to reset timeout\n"); - goto err_ret; - } + qlcnic_api_unlock(adapter); dev_state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE); - QLCDB(adapter, HW, "Func waiting: Device state=%d\n", dev_state); + QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state); switch (dev_state) { - case QLCNIC_DEV_READY: - if (!qlcnic_start_firmware(adapter)) { - qlcnic_schedule_work(adapter, qlcnic_attach_work, 0); - return; - } + case QLCNIC_DEV_NEED_RESET: + qlcnic_schedule_work(adapter, + qlcnic_fwinit_work, FW_POLL_DELAY); + return; case QLCNIC_DEV_FAILED: break; default: - qlcnic_schedule_work(adapter, - qlcnic_fwinit_work, 2 * FW_POLL_DELAY); - return; + if (!qlcnic_start_firmware(adapter)) { + qlcnic_schedule_work(adapter, qlcnic_attach_work, 0); + return; + } } err_ret: + dev_err(&adapter->pdev->dev, "Fwinit work failed state=%u " + "fw_wait_cnt=%u\n", dev_state, adapter->fw_wait_cnt); netif_device_attach(adapter->netdev); qlcnic_clr_all_drv_state(adapter); } @@ -2180,7 +2208,8 @@ qlcnic_detach_work(struct work_struct *work) if (adapter->temp == QLCNIC_TEMP_PANIC) goto err_ret; - qlcnic_set_drv_state(adapter, adapter->dev_state); + if (qlcnic_set_drv_state(adapter, adapter->dev_state)) + goto err_ret; adapter->fw_wait_cnt = 0; @@ -2196,6 +2225,7 @@ err_ret: } +/*Transit to RESET state from READY state only */ static void qlcnic_dev_request_reset(struct qlcnic_adapter *adapter) { @@ -2206,9 +2236,8 @@ qlcnic_dev_request_reset(struct qlcnic_adapter *adapter) state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE); - if (state != QLCNIC_DEV_INITALIZING && state != QLCNIC_DEV_NEED_RESET) { + if (state == QLCNIC_DEV_READY) { QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_NEED_RESET); - set_bit(__QLCNIC_START_FW, &adapter->state); QLCDB(adapter, DRV, "NEED_RESET state set\n"); } |