/** * igb_write_mbx_pf - Places a message in the mailbox * @hw: pointer to the HW structure * @msg: The message buffer * @size: Length of buffer * @vf_number: the VF index * * returns SUCCESS if it successfully copied message into the buffer **/ static s32 igb_write_mbx_pf(struct e1000_hw *hw, u32 *msg, u16 size, u16 vf_number) { s32 ret_val; u16 i; /* lock the mailbox to prevent pf/vf race condition */ ret_val = igb_obtain_mbx_lock_pf(hw, vf_number); if (ret_val) goto out_no_write; /* flush msg and acks as we are overwriting the message buffer */ igb_check_for_msg_pf(hw, vf_number); igb_check_for_ack_pf(hw, vf_number); /* copy the caller specified message to the mailbox memory buffer */ for (i = 0; i < size; i++) array_wr32(E1000_VMBMEM(vf_number), i, msg[i]); /* Interrupt VF to tell it a message has been sent and release buffer*/ wr32(E1000_P2VMAILBOX(vf_number), E1000_P2VMAILBOX_STS); /* update stats */ hw->mbx.stats.msgs_tx++; out_no_write: return ret_val; }
static s32 igb_write_mbx_pf(struct e1000_hw *hw, u32 *msg, u16 size, u16 vf_number) { s32 ret_val; u16 i; /* */ ret_val = igb_obtain_mbx_lock_pf(hw, vf_number); if (ret_val) goto out_no_write; /* */ igb_check_for_msg_pf(hw, vf_number); igb_check_for_ack_pf(hw, vf_number); /* */ for (i = 0; i < size; i++) array_wr32(E1000_VMBMEM(vf_number), i, msg[i]); /* */ wr32(E1000_P2VMAILBOX(vf_number), E1000_P2VMAILBOX_STS); /* */ hw->mbx.stats.msgs_tx++; out_no_write: return ret_val; }
/** * igb_clear_vfta - Clear VLAN filter table * @hw: pointer to the HW structure * * Clears the register array which contains the VLAN filter table by * setting all the values to 0. **/ void igb_clear_vfta(struct e1000_hw *hw) { u32 offset; for (offset = 0; offset < E1000_VLAN_FILTER_TBL_SIZE; offset++) { array_wr32(E1000_VFTA, offset, 0); wrfl(); } }
/** * igb_write_vfta_i350 - Write value to VLAN filter table * @hw: pointer to the HW structure * @offset: register offset in VLAN filter table * @value: register value written to VLAN filter table * * Writes value at the given offset in the register array which stores * the VLAN filter table. **/ static void igb_write_vfta_i350(struct e1000_hw *hw, u32 offset, u32 value) { int i; for (i = 0; i < 10; i++) array_wr32(E1000_VFTA, offset, value); wrfl(); }
/** * igb_init_hw_82575 - Initialize hardware * @hw: pointer to the HW structure * * This inits the hardware readying it for operation. **/ static s32 igb_init_hw_82575(struct e1000_hw *hw) { struct e1000_mac_info *mac = &hw->mac; s32 ret_val; u16 i, rar_count = mac->rar_entry_count; /* Initialize identification LED */ ret_val = igb_id_led_init(hw); if (ret_val) { hw_dbg("Error initializing identification LED\n"); /* This is not fatal and we should not stop init due to this */ } /* Disabling VLAN filtering */ hw_dbg("Initializing the IEEE VLAN\n"); igb_clear_vfta(hw); /* Setup the receive address */ igb_init_rx_addrs(hw, rar_count); /* Zero out the Multicast HASH table */ hw_dbg("Zeroing the MTA\n"); for (i = 0; i < mac->mta_reg_count; i++) array_wr32(E1000_MTA, i, 0); /* Zero out the Unicast HASH table */ hw_dbg("Zeroing the UTA\n"); for (i = 0; i < mac->uta_reg_count; i++) array_wr32(E1000_UTA, i, 0); /* Setup link and flow control */ ret_val = igb_setup_link(hw); /* * Clear all of the statistics registers (clear on read). It is * important that we do this after we have tried to establish link * because the symbol error count will increment wildly if there * is no link. */ igb_clear_hw_cntrs_82575(hw); return ret_val; }
/** * igb_clear_vfta_i350 - Clear VLAN filter table * @hw: pointer to the HW structure * * Clears the register array which contains the VLAN filter table by * setting all the values to 0. **/ void igb_clear_vfta_i350(struct e1000_hw *hw) { u32 offset; int i; for (offset = 0; offset < E1000_VLAN_FILTER_TBL_SIZE; offset++) { for (i = 0; i < 10; i++) array_wr32(E1000_VFTA, offset, 0); wrfl(); } }
static s32 igb_init_hw_82575(struct e1000_hw *hw) { struct e1000_mac_info *mac = &hw->mac; s32 ret_val; u16 i, rar_count = mac->rar_entry_count; ret_val = igb_id_led_init(hw); if (ret_val) { hw_dbg("Error initializing identification LED\n"); } hw_dbg("Initializing the IEEE VLAN\n"); if (hw->mac.type == e1000_i350) igb_clear_vfta_i350(hw); else igb_clear_vfta(hw); igb_init_rx_addrs(hw, rar_count); hw_dbg("Zeroing the MTA\n"); for (i = 0; i < mac->mta_reg_count; i++) array_wr32(E1000_MTA, i, 0); hw_dbg("Zeroing the UTA\n"); for (i = 0; i < mac->uta_reg_count; i++) array_wr32(E1000_UTA, i, 0); ret_val = igb_setup_link(hw); igb_clear_hw_cntrs_82575(hw); return ret_val; }
/** * igb_write_vfta - Write value to VLAN filter table * @hw: pointer to the HW structure * @offset: register offset in VLAN filter table * @value: register value written to VLAN filter table * * Writes value at the given offset in the register array which stores * the VLAN filter table. **/ static void igb_write_vfta(struct e1000_hw *hw, u32 offset, u32 value) { array_wr32(E1000_VFTA, offset, value); wrfl(); }