X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Ffm10k%2Fbase%2Ffm10k_vf.c;h=6809c3cfd74801a30fc8a0d004c0d7f7ac646c3d;hb=df6cd7c1f73a62e2bd889cc1aa4832096cb8c245;hp=ba7c7c1e56e69a14688890c552ce4980bfae260b;hpb=e18683f8ef6ce08fd587e3e8537e2030bcfe0825;p=dpdk.git diff --git a/drivers/net/fm10k/base/fm10k_vf.c b/drivers/net/fm10k/base/fm10k_vf.c index ba7c7c1e56..6809c3cfd7 100644 --- a/drivers/net/fm10k/base/fm10k_vf.c +++ b/drivers/net/fm10k/base/fm10k_vf.c @@ -1,35 +1,6 @@ -/******************************************************************************* - -Copyright (c) 2013 - 2015, Intel Corporation -All rights reserved. - -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions are met: - - 1. Redistributions of source code must retain the above copyright notice, - this list of conditions and the following disclaimer. - - 2. Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the distribution. - - 3. Neither the name of the Intel Corporation nor the names of its - contributors may be used to endorse or promote products derived from - this software without specific prior written permission. - -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. - -***************************************************************************/ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2013 - 2015 Intel Corporation + */ #include "fm10k_vf.h" @@ -49,11 +20,11 @@ STATIC s32 fm10k_stop_hw_vf(struct fm10k_hw *hw) /* we need to disable the queues before taking further steps */ err = fm10k_stop_hw_generic(hw); - if (err) + if (err && err != FM10K_ERR_REQUESTS_PENDING) return err; /* If permanent address is set then we need to restore it */ - if (FM10K_IS_VALID_ETHER_ADDR(perm_addr)) { + if (IS_VALID_ETHER_ADDR(perm_addr)) { bal = (((u32)perm_addr[3]) << 24) | (((u32)perm_addr[4]) << 16) | (((u32)perm_addr[5]) << 8); @@ -74,10 +45,15 @@ STATIC s32 fm10k_stop_hw_vf(struct fm10k_hw *hw) FM10K_WRITE_REG(hw, FM10K_TDBAH(i), bah); FM10K_WRITE_REG(hw, FM10K_RDBAL(i), bal); FM10K_WRITE_REG(hw, FM10K_RDBAH(i), bah); + /* Restore ITR scale in software-defined mechanism in TDLEN + * for next VF initialization. See definition of + * FM10K_TDLEN_ITR_SCALE_SHIFT for more details on the use of + * TDLEN here. + */ FM10K_WRITE_REG(hw, FM10K_TDLEN(i), tdlen); } - return FM10K_SUCCESS; + return err; } /** @@ -95,7 +71,9 @@ STATIC s32 fm10k_reset_hw_vf(struct fm10k_hw *hw) /* shut down queues we own and reset DMA configuration */ err = fm10k_stop_hw_vf(hw); - if (err) + if (err == FM10K_ERR_REQUESTS_PENDING) + hw->mac.reset_while_pending++; + else if (err) return err; /* Inititate VF reset */ @@ -108,9 +86,9 @@ STATIC s32 fm10k_reset_hw_vf(struct fm10k_hw *hw) /* Clear reset bit and verify it was cleared */ FM10K_WRITE_REG(hw, FM10K_VFCTRL, 0); if (FM10K_READ_REG(hw, FM10K_VFCTRL) & FM10K_VFCTRL_RST) - err = FM10K_ERR_RESET_FAILED; + return FM10K_ERR_RESET_FAILED; - return err; + return FM10K_SUCCESS; } /** @@ -126,7 +104,14 @@ STATIC s32 fm10k_init_hw_vf(struct fm10k_hw *hw) DEBUGFUNC("fm10k_init_hw_vf"); - /* assume we always have at least 1 queue */ + /* verify we have at least 1 queue */ + if (!~FM10K_READ_REG(hw, FM10K_TXQCTL(0)) || + !~FM10K_READ_REG(hw, FM10K_RXQCTL(0))) { + err = FM10K_ERR_NO_RESOURCES; + goto reset_max_queues; + } + + /* determine how many queues we have */ for (i = 1; tqdloc0 && (i < FM10K_MAX_QUEUES_POOL); i++) { /* verify the Descriptor cache offsets are increasing */ tqdloc = ~FM10K_READ_REG(hw, FM10K_TQDLOC(i)); @@ -142,7 +127,7 @@ STATIC s32 fm10k_init_hw_vf(struct fm10k_hw *hw) /* shut down queues we own and reset DMA configuration */ err = fm10k_disable_queues_generic(hw, i); if (err) - return err; + goto reset_max_queues; /* record maximum queue count */ hw->mac.max_queues = i; @@ -150,17 +135,23 @@ STATIC s32 fm10k_init_hw_vf(struct fm10k_hw *hw) /* fetch default VLAN and ITR scale */ hw->mac.default_vid = (FM10K_READ_REG(hw, FM10K_TXQCTL(0)) & FM10K_TXQCTL_VID_MASK) >> FM10K_TXQCTL_VID_SHIFT; + /* Read the ITR scale from TDLEN. See the definition of + * FM10K_TDLEN_ITR_SCALE_SHIFT for more information about how TDLEN is + * used here. + */ hw->mac.itr_scale = (FM10K_READ_REG(hw, FM10K_TDLEN(0)) & FM10K_TDLEN_ITR_SCALE_MASK) >> FM10K_TDLEN_ITR_SCALE_SHIFT; - /* ensure a non-zero itr scale */ - if (!hw->mac.itr_scale) - hw->mac.itr_scale = FM10K_TDLEN_ITR_SCALE_GEN3; - return FM10K_SUCCESS; + +reset_max_queues: + hw->mac.max_queues = 0; + + return err; } +#ifndef NO_IS_SLOT_APPROPRIATE_CHECK /** * fm10k_is_slot_appropriate_vf - Indicate appropriate slot for this SKU * @hw: pointer to hardware structure @@ -177,6 +168,7 @@ STATIC bool fm10k_is_slot_appropriate_vf(struct fm10k_hw *hw) return TRUE; } +#endif /* This structure defines the attibutes to be parsed below */ const struct fm10k_tlv_attr fm10k_mac_vlan_msg_attr[] = { FM10K_TLV_ATTR_U32(FM10K_MAC_VLAN_MSG_VLAN), @@ -206,7 +198,7 @@ STATIC s32 fm10k_update_vlan_vf(struct fm10k_hw *hw, u32 vid, u8 vsi, bool set) if (vsi) return FM10K_ERR_PARAM; - /* verify upper 4 bits of vid and length are 0 */ + /* clever trick to verify reserved bits in both vid and length */ if ((vid << 16 | vid) >> 28) return FM10K_ERR_PARAM; @@ -249,7 +241,7 @@ s32 fm10k_msg_mac_vlan_vf(struct fm10k_hw *hw, u32 **results, memcpy(hw->mac.perm_addr, perm_addr, ETH_ALEN); hw->mac.default_vid = vid & (FM10K_VLAN_TABLE_VID_MAX - 1); - hw->mac.vlan_override = !!(vid & FM10K_VLAN_CLEAR); + hw->mac.vlan_override = !!(vid & FM10K_VLAN_OVERRIDE); return FM10K_SUCCESS; } @@ -320,11 +312,11 @@ STATIC s32 fm10k_update_uc_addr_vf(struct fm10k_hw *hw, u16 glort, return FM10K_ERR_PARAM; /* verify MAC address is valid */ - if (!FM10K_IS_VALID_ETHER_ADDR(mac)) + if (!IS_VALID_ETHER_ADDR(mac)) return FM10K_ERR_PARAM; /* verify we are not locked down on the MAC address */ - if (FM10K_IS_VALID_ETHER_ADDR(hw->mac.perm_addr) && + if (IS_VALID_ETHER_ADDR(hw->mac.perm_addr) && memcmp(hw->mac.perm_addr, mac, ETH_ALEN)) return FM10K_ERR_PARAM; @@ -366,7 +358,7 @@ STATIC s32 fm10k_update_mc_addr_vf(struct fm10k_hw *hw, u16 glort, return FM10K_ERR_PARAM; /* verify multicast address is valid */ - if (!FM10K_IS_MULTICAST_ETHER_ADDR(mac)) + if (!IS_MULTICAST_ETHER_ADDR(mac)) return FM10K_ERR_PARAM; /* add bit to notify us if this is a set or clear operation */ @@ -492,11 +484,11 @@ STATIC s32 fm10k_update_xcast_mode_vf(struct fm10k_hw *hw, u16 glort, u8 mode) } const struct fm10k_tlv_attr fm10k_1588_msg_attr[] = { - FM10K_TLV_ATTR_U64(FM10K_1588_MSG_TIMESTAMP), + FM10K_TLV_ATTR_U64(FM10K_1588_MSG_CLK_OFFSET), FM10K_TLV_ATTR_LAST }; -/* currently there is no shared 1588 timestamp handler */ +/* currently there is no shared 1588 message handler */ /** * fm10k_update_hw_stats_vf - Updates hardware related statistics of VF @@ -505,7 +497,7 @@ const struct fm10k_tlv_attr fm10k_1588_msg_attr[] = { * * This function collects and aggregates per queue hardware statistics. **/ -STATIC void fm10k_update_hw_stats_vf(struct fm10k_hw *hw, +void fm10k_update_hw_stats_vf(struct fm10k_hw *hw, struct fm10k_hw_stats *stats) { DEBUGFUNC("fm10k_update_hw_stats_vf"); @@ -520,7 +512,7 @@ STATIC void fm10k_update_hw_stats_vf(struct fm10k_hw *hw, * * This function resets the base for queue hardware statistics. **/ -STATIC void fm10k_rebind_hw_stats_vf(struct fm10k_hw *hw, +void fm10k_rebind_hw_stats_vf(struct fm10k_hw *hw, struct fm10k_hw_stats *stats) { DEBUGFUNC("fm10k_rebind_hw_stats_vf"); @@ -556,26 +548,6 @@ STATIC s32 fm10k_configure_dglort_map_vf(struct fm10k_hw *hw, return FM10K_SUCCESS; } -/** - * fm10k_request_tx_timestamp_mode_vf - Request Tx timestamp mode - * @hw: pointer to hardware structure - * @glort: glort to request Tx timestamps for - * @mode: timestamp mode to request - * - * This function takes the requested timestamp mode and verifies that it was - * requested as none since the VF cannot support receipt of Tx timestamps. - * - * If the mode is non-zero ERR_PARAM, else success - **/ -STATIC s32 fm10k_request_tx_timestamp_mode_vf(struct fm10k_hw *hw, - u16 glort, - u8 mode) -{ - UNREFERENCED_2PARAMETER(hw, glort); - - return mode ? FM10K_ERR_PARAM : FM10K_SUCCESS; -} - /** * fm10k_adjust_systime_vf - Adjust systime frequency * @hw: pointer to hardware structure @@ -651,7 +623,9 @@ s32 fm10k_init_ops_vf(struct fm10k_hw *hw) mac->ops.init_hw = &fm10k_init_hw_vf; mac->ops.start_hw = &fm10k_start_hw_generic; mac->ops.stop_hw = &fm10k_stop_hw_vf; +#ifndef NO_IS_SLOT_APPROPRIATE_CHECK mac->ops.is_slot_appropriate = &fm10k_is_slot_appropriate_vf; +#endif mac->ops.update_vlan = &fm10k_update_vlan_vf; mac->ops.read_mac_addr = &fm10k_read_mac_addr_vf; mac->ops.update_uc_addr = &fm10k_update_uc_addr_vf; @@ -665,7 +639,6 @@ s32 fm10k_init_ops_vf(struct fm10k_hw *hw) mac->ops.get_host_state = &fm10k_get_host_state_generic; mac->ops.adjust_systime = &fm10k_adjust_systime_vf; mac->ops.read_systime = &fm10k_read_systime_vf; - mac->ops.request_tx_timestamp_mode = &fm10k_request_tx_timestamp_mode_vf; mac->max_msix_vectors = fm10k_get_pcie_msix_count_generic(hw);