diff options
Diffstat (limited to 'drivers/net/ethernet/intel/fm10k/fm10k_pf.c')
| -rw-r--r-- | drivers/net/ethernet/intel/fm10k/fm10k_pf.c | 121 |
1 files changed, 16 insertions, 105 deletions
diff --git a/drivers/net/ethernet/intel/fm10k/fm10k_pf.c b/drivers/net/ethernet/intel/fm10k/fm10k_pf.c index ecc99f9d2cce..5b0ceec361e6 100644 --- a/drivers/net/ethernet/intel/fm10k/fm10k_pf.c +++ b/drivers/net/ethernet/intel/fm10k/fm10k_pf.c @@ -1,5 +1,5 @@ -/* Intel Ethernet Switch Host Interface Driver - * Copyright(c) 2013 - 2015 Intel Corporation. +/* Intel(R) Ethernet Switch Host Interface Driver + * Copyright(c) 2013 - 2016 Intel Corporation. * * This program is free software; you can redistribute it and/or modify it * under the terms and conditions of the GNU General Public License, @@ -219,8 +219,8 @@ static s32 fm10k_update_vlan_pf(struct fm10k_hw *hw, u32 vid, u8 vsi, bool set) /* VLAN multi-bit write: * The multi-bit write has several parts to it. - * 3 2 1 0 - * 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 + * 24 16 8 0 + * 7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ * | RSVD0 | Length |C|RSVD0| VLAN ID | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ @@ -488,6 +488,10 @@ static s32 fm10k_update_lport_state_pf(struct fm10k_hw *hw, u16 glort, if (!fm10k_glort_valid_pf(hw, glort)) return FM10K_ERR_PARAM; + /* reset multicast mode if deleting lport */ + if (!enable) + fm10k_update_xcast_mode_pf(hw, glort, FM10K_XCAST_MODE_NONE); + /* construct the lport message from the 2 pieces of data we have */ lport_msg = ((u32)count << 16) | glort; @@ -864,9 +868,13 @@ static s32 fm10k_iov_assign_default_mac_vlan_pf(struct fm10k_hw *hw, fm10k_write_reg(hw, FM10K_TQMAP(qmap_idx), 0); fm10k_write_reg(hw, FM10K_TXDCTL(vf_q_idx), 0); - /* determine correct default VLAN ID */ + /* Determine correct default VLAN ID. The FM10K_VLAN_OVERRIDE bit is + * used here to indicate to the VF that it will not have privilege to + * write VLAN_TABLE. All policy is enforced on the PF but this allows + * the VF to correctly report errors to userspace rqeuests. + */ if (vf_info->pf_vid) - vf_vid = vf_info->pf_vid | FM10K_VLAN_CLEAR; + vf_vid = vf_info->pf_vid | FM10K_VLAN_OVERRIDE; else vf_vid = vf_info->sw_vid; @@ -1140,19 +1148,6 @@ static void fm10k_iov_update_stats_pf(struct fm10k_hw *hw, fm10k_update_hw_stats_q(hw, q, idx, qpp); } -static s32 fm10k_iov_report_timestamp_pf(struct fm10k_hw *hw, - struct fm10k_vf_info *vf_info, - u64 timestamp) -{ - u32 msg[4]; - - /* generate port state response to notify VF it is not ready */ - fm10k_tlv_msg_init(msg, FM10K_VF_MSG_ID_1588); - fm10k_tlv_attr_put_u64(msg, FM10K_1588_MSG_TIMESTAMP, timestamp); - - return vf_info->mbx.ops.enqueue_tx(hw, &vf_info->mbx, msg); -} - /** * fm10k_iov_msg_msix_pf - Message handler for MSI-X request from VF * @hw: Pointer to hardware structure @@ -1633,6 +1628,8 @@ out: /* This structure defines the attibutes to be parsed below */ const struct fm10k_tlv_attr fm10k_lport_map_msg_attr[] = { + FM10K_TLV_ATTR_LE_STRUCT(FM10K_PF_ATTR_ID_ERR, + sizeof(struct fm10k_swapi_error)), FM10K_TLV_ATTR_U32(FM10K_PF_ATTR_ID_LPORT_MAP), FM10K_TLV_ATTR_LAST }; @@ -1773,89 +1770,6 @@ s32 fm10k_msg_err_pf(struct fm10k_hw *hw, u32 **results, return 0; } -const struct fm10k_tlv_attr fm10k_1588_timestamp_msg_attr[] = { - FM10K_TLV_ATTR_LE_STRUCT(FM10K_PF_ATTR_ID_1588_TIMESTAMP, - sizeof(struct fm10k_swapi_1588_timestamp)), - FM10K_TLV_ATTR_LAST -}; - -/* currently there is no shared 1588 timestamp handler */ - -/** - * fm10k_adjust_systime_pf - Adjust systime frequency - * @hw: pointer to hardware structure - * @ppb: adjustment rate in parts per billion - * - * This function will adjust the SYSTIME_CFG register contained in BAR 4 - * if this function is supported for BAR 4 access. The adjustment amount - * is based on the parts per billion value provided and adjusted to a - * value based on parts per 2^48 clock cycles. - * - * If adjustment is not supported or the requested value is too large - * we will return an error. - **/ -static s32 fm10k_adjust_systime_pf(struct fm10k_hw *hw, s32 ppb) -{ - u64 systime_adjust; - - /* if sw_addr is not set we don't have switch register access */ - if (!hw->sw_addr) - return ppb ? FM10K_ERR_PARAM : 0; - - /* we must convert the value from parts per billion to parts per - * 2^48 cycles. In addition I have opted to only use the 30 most - * significant bits of the adjustment value as the 8 least - * significant bits are located in another register and represent - * a value significantly less than a part per billion, the result - * of dropping the 8 least significant bits is that the adjustment - * value is effectively multiplied by 2^8 when we write it. - * - * As a result of all this the math for this breaks down as follows: - * ppb / 10^9 == adjust * 2^8 / 2^48 - * If we solve this for adjust, and simplify it comes out as: - * ppb * 2^31 / 5^9 == adjust - */ - systime_adjust = (ppb < 0) ? -ppb : ppb; - systime_adjust <<= 31; - do_div(systime_adjust, 1953125); - - /* verify the requested adjustment value is in range */ - if (systime_adjust > FM10K_SW_SYSTIME_ADJUST_MASK) - return FM10K_ERR_PARAM; - - if (ppb > 0) - systime_adjust |= FM10K_SW_SYSTIME_ADJUST_DIR_POSITIVE; - - fm10k_write_sw_reg(hw, FM10K_SW_SYSTIME_ADJUST, (u32)systime_adjust); - - return 0; -} - -/** - * fm10k_read_systime_pf - Reads value of systime registers - * @hw: pointer to the hardware structure - * - * Function reads the content of 2 registers, combined to represent a 64 bit - * value measured in nanosecods. In order to guarantee the value is accurate - * we check the 32 most significant bits both before and after reading the - * 32 least significant bits to verify they didn't change as we were reading - * the registers. - **/ -static u64 fm10k_read_systime_pf(struct fm10k_hw *hw) -{ - u32 systime_l, systime_h, systime_tmp; - - systime_h = fm10k_read_reg(hw, FM10K_SYSTIME + 1); - - do { - systime_tmp = systime_h; - systime_l = fm10k_read_reg(hw, FM10K_SYSTIME); - systime_h = fm10k_read_reg(hw, FM10K_SYSTIME + 1); - } while (systime_tmp != systime_h); - - return ((u64)systime_h << 32) | systime_l; -} - static const struct fm10k_msg_data fm10k_msg_data_pf[] = { FM10K_PF_MSG_ERR_HANDLER(XCAST_MODES, fm10k_msg_err_pf), FM10K_PF_MSG_ERR_HANDLER(UPDATE_MAC_FWD_RULE, fm10k_msg_err_pf), @@ -1885,8 +1799,6 @@ static const struct fm10k_mac_ops mac_ops_pf = { .set_dma_mask = fm10k_set_dma_mask_pf, .get_fault = fm10k_get_fault_pf, .get_host_state = fm10k_get_host_state_pf, - .adjust_systime = fm10k_adjust_systime_pf, - .read_systime = fm10k_read_systime_pf, }; static const struct fm10k_iov_ops iov_ops_pf = { @@ -1898,7 +1810,6 @@ static const struct fm10k_iov_ops iov_ops_pf = { .set_lport = fm10k_iov_set_lport_pf, .reset_lport = fm10k_iov_reset_lport_pf, .update_stats = fm10k_iov_update_stats_pf, - .report_timestamp = fm10k_iov_report_timestamp_pf, }; static s32 fm10k_get_invariants_pf(struct fm10k_hw *hw) |