diff options
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/e1000/e1000_main.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c index ce1044a80bd..ad92115f20a 100644 --- a/drivers/net/e1000/e1000_main.c +++ b/drivers/net/e1000/e1000_main.c @@ -1151,6 +1151,7 @@ e1000_setup_tx_resources(struct e1000_adapter *adapter, return -ENOMEM; } memset(txdr->buffer_info, 0, size); + memset(&txdr->previous_buffer_info, 0, sizeof(struct e1000_buffer)); /* round up to nearest 4K */ @@ -1199,6 +1200,7 @@ setup_tx_desc_die: txdr->next_to_use = 0; txdr->next_to_clean = 0; + spin_lock_init(&txdr->tx_lock); return 0; } @@ -1312,6 +1314,19 @@ e1000_configure_tx(struct e1000_adapter *adapter) E1000_WRITE_REG(hw, TCTL, tctl); + if (hw->mac_type == e1000_82571 || hw->mac_type == e1000_82572) { + tarc = E1000_READ_REG(hw, TARC0); + tarc |= ((1 << 25) | (1 << 21)); + E1000_WRITE_REG(hw, TARC0, tarc); + tarc = E1000_READ_REG(hw, TARC1); + tarc |= (1 << 25); + if (tctl & E1000_TCTL_MULR) + tarc &= ~(1 << 28); + else + tarc |= (1 << 28); + E1000_WRITE_REG(hw, TARC1, tarc); + } + e1000_config_collision_dist(hw); /* Setup Transmit Descriptor Settings for eop descriptor */ @@ -1601,6 +1616,14 @@ e1000_configure_rx(struct e1000_adapter *adapter) 1000000000 / (adapter->itr * 256)); } + if (hw->mac_type >= e1000_82571) { + /* Reset delay timers after every interrupt */ + ctrl_ext = E1000_READ_REG(hw, CTRL_EXT); + ctrl_ext |= E1000_CTRL_EXT_CANC; + E1000_WRITE_REG(hw, CTRL_EXT, ctrl_ext); + E1000_WRITE_FLUSH(hw); + } + /* Setup the HW Rx Head and Tail Descriptor Pointers and * the Base and Length of the Rx Descriptor Ring */ switch (adapter->num_queues) { |