From patchwork Wed Apr 3 09:10:02 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mengyuan Lou X-Patchwork-Id: 13615595 X-Patchwork-Delegate: kuba@kernel.org Received: from smtpbg156.qq.com (smtpbg156.qq.com [15.184.82.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 72229130A64 for ; Wed, 3 Apr 2024 09:27:58 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=15.184.82.18 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712136483; cv=none; b=MtVIDW4dexEQf3Crus0o+U8/Mn7E9fO5nOoxLTWVzw4XAYkoB3jn8ue2gPPnmyrIEtbMBtQqVDmbrThSApXORp2PaVEh6Cl4pb6r/asUTqa4MX5k4aZ4bI6icS4s1u/ezPIf4RYm3eNgcGn6MTYntH2rRDlirsC5ESUQV/i7jbE= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712136483; c=relaxed/simple; bh=GK7193iXEhFN7rcTqnRCoP18HUoAKXzF6tmrRlfxAOI=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=NR6I/Upy3PcKCOFdMEnamOIwZRDAVqcw77W8p0AKscsnqWb/ysHJMm71M8rdMsO2Dh5eFxsN+7qMEpREGbuJU8R72PhoUQm6gm9puhbxC0GWrGobvB8s5At68HaI/D1q2S/PIQqnukY6DGMRnD/cstJg0Zgg3rzHBFaOIHNBpIw= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=net-swift.com; spf=pass smtp.mailfrom=net-swift.com; arc=none smtp.client-ip=15.184.82.18 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=net-swift.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=net-swift.com X-QQ-mid: bizesmtpsz9t1712136471tmrk453 X-QQ-Originating-IP: oSPFla+EaVkHAogMuy3WFX+smbRHpvu6gG4vgtglxXs= Received: from localhost.localdomain ( [36.24.97.137]) by bizesmtp.qq.com (ESMTP) with id ; Wed, 03 Apr 2024 17:27:50 +0800 (CST) X-QQ-SSF: 01400000000000O0Z000000A0000000 X-QQ-FEAT: CUshK5VlFGkqcuCAo5LZw1zNhaRzMeAibAN/oIHx+WgKjriCxGov8rxuMBFIz VzsnTZaELRz1vMsEThj5JNHjhAyhu4+pCYxof4cQErgD0nsalJRDx1pxjnGptu4pOadwmvH iPIOenwIfCUguZVX/PdfWlwYq1mV5RKbnIz2CRxw47HyUJpNywpxq2mef1yjKLuhIqj/hhS ds9Iw1vbXW36/aZEKHRBcVNSOr0DQ6Ju+jAWwFElZPMzd1lG2EiyNRTZfkjfd8qYmmyQKEB 3f2lu30hX/25uDIX5qIVEMntIuxi1gR7aQaJ9cJqHG4DME08Sljdw3spMP+nKU09U64E/On D5hDmZ/0GG29GJ4ixVXsWTDmHFkJgpv3t5AFNU0aD57XDXEc966rYF0rGe1+f+zpli0CvnJ dvSKj4vpLSY= X-QQ-GoodBg: 2 X-BIZMAIL-ID: 14955995085311124775 From: Mengyuan Lou To: netdev@vger.kernel.org Cc: jiawenwu@trustnetic.com, Mengyuan Lou Subject: [PATCH net-next v2 5/7] net: libwx: Add msg task func Date: Wed, 3 Apr 2024 17:10:02 +0800 Message-ID: X-Mailer: git-send-email 2.43.2 In-Reply-To: <20240403092714.3027-1-mengyuanlou@net-swift.com> References: <20240403092714.3027-1-mengyuanlou@net-swift.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-QQ-SENDSIZE: 520 Feedback-ID: bizesmtpsz:net-swift.com:qybglogicsvrgz:qybglogicsvrgz6a-1 X-Patchwork-Delegate: kuba@kernel.org Implement wx_msg_task which is used to process mailbox messages sent by vf. Signed-off-by: Mengyuan Lou --- drivers/net/ethernet/wangxun/libwx/wx_mbx.h | 45 ++ drivers/net/ethernet/wangxun/libwx/wx_sriov.c | 621 ++++++++++++++++++ drivers/net/ethernet/wangxun/libwx/wx_sriov.h | 1 + drivers/net/ethernet/wangxun/libwx/wx_type.h | 7 + 4 files changed, 674 insertions(+) diff --git a/drivers/net/ethernet/wangxun/libwx/wx_mbx.h b/drivers/net/ethernet/wangxun/libwx/wx_mbx.h index 201efbc2db9a..ba5a24e0c2cd 100644 --- a/drivers/net/ethernet/wangxun/libwx/wx_mbx.h +++ b/drivers/net/ethernet/wangxun/libwx/wx_mbx.h @@ -21,13 +21,58 @@ #define WX_MBVFICR_VFREQ_MASK GENMASK(15, 0) #define WX_MBVFICR_VFACK_MASK GENMASK(31, 16) +#define WX_VT_MSGTYPE_ACK BIT(31) +#define WX_VT_MSGTYPE_NACK BIT(30) #define WX_VT_MSGTYPE_CTS BIT(29) +#define WX_VT_MSGINFO_SHIFT 16 #define WX_VT_MSGINFO_MASK GENMASK(23, 16) +enum wx_pfvf_api_rev { + wx_mbox_api_null, + wx_mbox_api_10, /* API version 1.0, linux/freebsd VF driver */ + wx_mbox_api_11, /* API version 1.1, linux/freebsd VF driver */ + wx_mbox_api_12, /* API version 1.2, linux/freebsd VF driver */ + wx_mbox_api_13, /* API version 1.3, linux/freebsd VF driver */ + wx_mbox_api_20, /* API version 2.0, solaris Phase1 VF driver */ + wx_mbox_api_unknown, /* indicates that API version is not known */ +}; + +/* mailbox API, legacy requests */ +#define WX_VF_RESET 0x01 /* VF requests reset */ +#define WX_VF_SET_MAC_ADDR 0x02 /* VF requests PF to set MAC addr */ +#define WX_VF_SET_MULTICAST 0x03 /* VF requests PF to set MC addr */ +#define WX_VF_SET_VLAN 0x04 /* VF requests PF to set VLAN */ + +/* mailbox API, version 1.0 VF requests */ +#define WX_VF_SET_LPE 0x05 /* VF requests PF to set VMOLR.LPE */ +#define WX_VF_SET_MACVLAN 0x06 /* VF requests PF for unicast filter */ +#define WX_VF_API_NEGOTIATE 0x08 /* negotiate API version */ + +/* mailbox API, version 1.1 VF requests */ +#define WX_VF_GET_QUEUES 0x09 /* get queue configuration */ + +/* mailbox API, version 1.2 VF requests */ +#define WX_VF_GET_RETA 0x0a /* VF request for RETA */ +#define WX_VF_GET_RSS_KEY 0x0b /* get RSS key */ +#define WX_VF_UPDATE_XCAST_MODE 0x0c +#define WX_VF_GET_LINK_STATE 0x10 /* get vf link state */ +#define WX_VF_GET_FW_VERSION 0x11 /* get fw version */ +#define WX_VF_BACKUP 0x8001 /* VF requests backup */ + #define WX_PF_CONTROL_MSG BIT(8) /* PF control message */ +#define WX_VF_TX_QUEUES 1 /* number of Tx queues supported */ +#define WX_VF_RX_QUEUES 2 /* number of Rx queues supported */ +#define WX_VF_TRANS_VLAN 3 /* Indication of port vlan */ +#define WX_VF_DEF_QUEUE 4 /* Default queue offset */ + +#define WX_VF_PERMADDR_MSG_LEN 4 + enum wxvf_xcast_modes { WXVF_XCAST_MODE_NONE = 0, + WXVF_XCAST_MODE_MULTI, + WXVF_XCAST_MODE_ALLMULTI, + WXVF_XCAST_MODE_PROMISC, }; int wx_write_mbx_pf(struct wx *wx, u32 *msg, u16 size, u16 vf); diff --git a/drivers/net/ethernet/wangxun/libwx/wx_sriov.c b/drivers/net/ethernet/wangxun/libwx/wx_sriov.c index decef4af3ee4..97510ee8f37b 100644 --- a/drivers/net/ethernet/wangxun/libwx/wx_sriov.c +++ b/drivers/net/ethernet/wangxun/libwx/wx_sriov.c @@ -510,6 +510,14 @@ static void wx_set_vf_rx_tx(struct wx *wx, int vf) } } +/** + * wx_set_vf_link_state - Set link state + * @wx: Pointer to adapter struct + * @vf: VF identifier + * @state: required link state + * + * Set a link force state on/off a single vf + **/ static void wx_set_vf_link_state(struct wx *wx, int vf, int state) { wx->vfinfo[vf].link_state = state; @@ -570,3 +578,616 @@ int wx_ndo_set_vf_link_state(struct net_device *netdev, int vf, int state) return ret; } EXPORT_SYMBOL(wx_ndo_set_vf_link_state); + +static int wx_get_vf_queues(struct wx *wx, u32 *msgbuf, u32 vf) +{ + struct wx_ring_feature *vmdq = &wx->ring_feature[RING_F_VMDQ]; + unsigned int default_tc = 0; + + /* verify the PF is supporting the correct APIs */ + switch (wx->vfinfo[vf].vf_api) { + case wx_mbox_api_11 ... wx_mbox_api_20: + break; + default: + return -EINVAL; + } + + /* only allow 1 Tx queue for bandwidth limiting */ + msgbuf[WX_VF_TX_QUEUES] = __ALIGN_MASK(1, ~vmdq->mask); + msgbuf[WX_VF_RX_QUEUES] = __ALIGN_MASK(1, ~vmdq->mask); + + if (wx->vfinfo[vf].pf_vlan || wx->vfinfo[vf].pf_qos) + msgbuf[WX_VF_TRANS_VLAN] = 1; + else + msgbuf[WX_VF_TRANS_VLAN] = 0; + + /* notify VF of default queue */ + msgbuf[WX_VF_DEF_QUEUE] = default_tc; + + return 0; +} + +static inline void wx_vf_reset_event(struct wx *wx, u16 vf) +{ + struct vf_data_storage *vfinfo = &wx->vfinfo[vf]; + u8 num_tcs = netdev_get_num_tc(wx->netdev); + + /* add PF assigned VLAN or VLAN 0 */ + wx_set_vf_vlan(wx, true, vfinfo->pf_vlan, vf); + + /* reset offloads to defaults */ + wx_set_vmolr(wx, vf, !vfinfo->pf_vlan); + + /* set outgoing tags for VFs */ + if (!vfinfo->pf_vlan && !vfinfo->pf_qos && !num_tcs) { + wx_clear_vmvir(wx, vf); + } else { + if (vfinfo->pf_qos || !num_tcs) + wx_set_vmvir(wx, vfinfo->pf_vlan, + vfinfo->pf_qos, vf); + else + wx_set_vmvir(wx, vfinfo->pf_vlan, + wx->default_up, vf); + } + + /* reset multicast table array for vf */ + wx->vfinfo[vf].num_vf_mc_hashes = 0; + + /* Flush and reset the mta with the new values */ + wx_set_rx_mode(wx->netdev); + + wx_del_mac_filter(wx, wx->vfinfo[vf].vf_mac_addr, vf); + + /* reset VF api back to unknown */ + wx->vfinfo[vf].vf_api = wx_mbox_api_10; +} + +static void wx_vf_reset_msg(struct wx *wx, u16 vf) +{ + unsigned char *vf_mac = wx->vfinfo[vf].vf_mac_addr; + struct net_device *dev = wx->netdev; + u32 msgbuf[5] = {0, 0, 0, 0, 0}; + u8 *addr = (u8 *)(&msgbuf[1]); + u32 reg = 0, index, vf_bit; + int pf_max_frame; + + /* reset the filters for the device */ + wx_vf_reset_event(wx, vf); + + /* set vf mac address */ + if (!is_zero_ether_addr(vf_mac)) + wx_set_vf_mac(wx, vf, vf_mac); + + vf_bit = vf % 32; + index = vf / 32; + + /* force drop enable for all VF Rx queues */ + wx_write_qde(wx, vf, 1); + + /* set transmit and receive for vf */ + wx_set_vf_rx_tx(wx, vf); + + pf_max_frame = dev->mtu + ETH_HLEN; + + if (pf_max_frame > ETH_FRAME_LEN) + reg = BIT(vf_bit); + wr32(wx, WX_RDM_VFRE_CLR(index), reg); + + /* enable VF mailbox for further messages */ + wx->vfinfo[vf].clear_to_send = true; + + /* reply to reset with ack and vf mac address */ + msgbuf[0] = WX_VF_RESET; + if (!is_zero_ether_addr(vf_mac)) { + msgbuf[0] |= WX_VT_MSGTYPE_ACK; + memcpy(addr, vf_mac, ETH_ALEN); + } else { + msgbuf[0] |= WX_VT_MSGTYPE_NACK; + wx_err(wx, "VF %d has no MAC address assigned", vf); + } + + /* Piggyback the multicast filter type so VF can compute the + * correct vectors + */ + msgbuf[3] = wx->mac.mc_filter_type; + wx_write_mbx_pf(wx, msgbuf, WX_VF_PERMADDR_MSG_LEN, vf); +} + +static int wx_set_vf_mac_addr(struct wx *wx, u32 *msgbuf, u16 vf) +{ + u8 *new_mac = ((u8 *)(&msgbuf[1])); + + if (!is_valid_ether_addr(new_mac)) { + wx_err(wx, "VF %d attempted to set invalid mac\n", vf); + return -EINVAL; + } + + if (wx->vfinfo[vf].pf_set_mac && + memcmp(wx->vfinfo[vf].vf_mac_addr, new_mac, ETH_ALEN)) { + wx_err(wx, + "VF %d attempted to set a MAC address but it already had a MAC address.", + vf); + return -EBUSY; + } + return wx_set_vf_mac(wx, vf, new_mac) < 0; +} + +static int wx_set_vf_multicasts(struct wx *wx, u32 *msgbuf, u32 vf) +{ + u16 entries = (msgbuf[0] & WX_VT_MSGINFO_MASK) + >> WX_VT_MSGINFO_SHIFT; + struct vf_data_storage *vfinfo = &wx->vfinfo[vf]; + u32 vmolr = rd32(wx, WX_PSR_VM_L2CTL(vf)); + u32 vector_bit, vector_reg, mta_reg, i; + u16 *hash_list = (u16 *)&msgbuf[1]; + + /* only so many hash values supported */ + entries = min_t(u16, entries, WX_MAX_VF_MC_ENTRIES); + /* salt away the number of multi cast addresses assigned + * to this VF for later use to restore when the PF multi cast + * list changes + */ + vfinfo->num_vf_mc_hashes = entries; + + /* VFs are limited to using the MTA hash table for their multicast + * addresses + */ + for (i = 0; i < entries; i++) + vfinfo->vf_mc_hashes[i] = hash_list[i]; + + for (i = 0; i < vfinfo->num_vf_mc_hashes; i++) { + vector_reg = (vfinfo->vf_mc_hashes[i] >> 5) & 0x7F; + vector_bit = vfinfo->vf_mc_hashes[i] & 0x1F; + /* errata 5: maintain a copy of the register table conf */ + mta_reg = wx->mac.mta_shadow[vector_reg]; + mta_reg |= (1 << vector_bit); + wx->mac.mta_shadow[vector_reg] = mta_reg; + wr32(wx, WX_PSR_MC_TBL(vector_reg), mta_reg); + } + vmolr |= WX_PSR_VM_L2CTL_ROMPE; + wr32(wx, WX_PSR_VM_L2CTL(vf), vmolr); + + return 0; +} + +static int wx_set_vf_lpe(struct wx *wx, u32 max_frame, u32 vf) +{ + struct net_device *netdev = wx->netdev; + u32 index, vf_bit, vfre; + u32 max_frs, reg_val; + int pf_max_frame; + int err = 0; + + pf_max_frame = netdev->mtu + ETH_HLEN + ETH_FCS_LEN + VLAN_HLEN; + switch (wx->vfinfo[vf].vf_api) { + case wx_mbox_api_11 ... wx_mbox_api_13: + /* Version 1.1 supports jumbo frames on VFs if PF has + * jumbo frames enabled which means legacy VFs are + * disabled + */ + if (pf_max_frame > ETH_FRAME_LEN) + break; + fallthrough; + default: + /* If the PF or VF are running w/ jumbo frames enabled + * we need to shut down the VF Rx path as we cannot + * support jumbo frames on legacy VFs + */ + if (pf_max_frame > ETH_FRAME_LEN || + (max_frame > (ETH_FRAME_LEN + ETH_FCS_LEN + VLAN_HLEN))) + err = -EINVAL; + break; + } + + /* determine VF receive enable location */ + vf_bit = vf % 32; + index = vf / 32; + + /* enable or disable receive depending on error */ + vfre = rd32(wx, WX_RDM_VF_RE(index)); + if (err) + vfre &= ~BIT(vf_bit); + else + vfre |= BIT(vf_bit); + wr32(wx, WX_RDM_VF_RE(index), vfre); + + if (err) { + wx_err(wx, "VF max_frame %d out of range\n", max_frame); + return err; + } + /* pull current max frame size from hardware */ + max_frs = DIV_ROUND_UP(max_frame, 1024); + reg_val = rd32(wx, WX_MAC_WDG_TIMEOUT) & WX_MAC_WDG_TIMEOUT_WTO_MASK; + if (max_frs > (reg_val + WX_MAC_WDG_TIMEOUT_WTO_DELTA)) + wr32(wx, WX_MAC_WDG_TIMEOUT, max_frs - WX_MAC_WDG_TIMEOUT_WTO_DELTA); + + return 0; +} + +static int wx_find_vlvf_entry(struct wx *wx, u32 vlan) +{ + int regindex; + u32 vlvf; + + /* short cut the special case */ + if (vlan == 0) + return 0; + + /* Search for the vlan id in the VLVF entries */ + for (regindex = 1; regindex < WX_PSR_VLAN_SWC_ENTRIES; regindex++) { + wr32(wx, WX_PSR_VLAN_SWC_IDX, regindex); + vlvf = rd32(wx, WX_PSR_VLAN_SWC); + if ((vlvf & VLAN_VID_MASK) == vlan) + break; + } + + /* Return a negative value if not found */ + if (regindex >= WX_PSR_VLAN_SWC_ENTRIES) + regindex = -EINVAL; + + return regindex; +} + +static int wx_set_vf_macvlan(struct wx *wx, + u16 vf, int index, unsigned char *mac_addr) +{ + struct vf_macvlans *entry; + struct list_head *pos; + int retval = 0; + + if (index <= 1) { + list_for_each(pos, &wx->vf_mvs.l) { + entry = list_entry(pos, struct vf_macvlans, l); + if (entry->vf == vf) { + entry->vf = -1; + entry->free = true; + entry->is_macvlan = false; + wx_del_mac_filter(wx, entry->vf_macvlan, vf); + } + } + } + + /* If index was zero then we were asked to clear the uc list + * for the VF. We're done. + */ + if (!index) + return 0; + + entry = NULL; + + list_for_each(pos, &wx->vf_mvs.l) { + entry = list_entry(pos, struct vf_macvlans, l); + if (entry->free) + break; + } + + /* If we traversed the entire list and didn't find a free entry + * then we're out of space on the RAR table. Also entry may + * be NULL because the original memory allocation for the list + * failed, which is not fatal but does mean we can't support + * VF requests for MACVLAN because we couldn't allocate + * memory for the list manangbeent required. + */ + if (!entry || !entry->free) + return -ENOSPC; + + retval = wx_add_mac_filter(wx, mac_addr, vf); + if (retval >= 0) { + entry->free = false; + entry->is_macvlan = true; + entry->vf = vf; + memcpy(entry->vf_macvlan, mac_addr, ETH_ALEN); + } + + return retval; +} + +static int wx_set_vf_vlan_msg(struct wx *wx, u32 *msgbuf, u16 vf) +{ + int add = (msgbuf[0] & WX_VT_MSGINFO_MASK) >> WX_VT_MSGINFO_SHIFT; + int vid = (msgbuf[1] & WX_PSR_VLAN_SWC_VLANID_MASK); + int err; + + if (add) + wx->vfinfo[vf].vlan_count++; + else if (wx->vfinfo[vf].vlan_count) + wx->vfinfo[vf].vlan_count--; + + /* in case of promiscuous mode any VLAN filter set for a VF must + * also have the PF pool added to it. + */ + if (add && wx->netdev->flags & IFF_PROMISC) + err = wx_set_vf_vlan(wx, add, vid, VMDQ_P(0)); + + err = wx_set_vf_vlan(wx, add, vid, vf); + if (!err && wx->vfinfo[vf].spoofchk_enabled) + wx_set_vlan_anti_spoofing(wx, true, vf); + + /* Go through all the checks to see if the VLAN filter should + * be wiped completely. + */ + if (!add && wx->netdev->flags & IFF_PROMISC) { + u32 bits = 0, vlvf; + int reg_ndx; + + reg_ndx = wx_find_vlvf_entry(wx, vid); + if (reg_ndx < 0) + goto out; + wr32(wx, WX_PSR_VLAN_SWC_IDX, reg_ndx); + vlvf = rd32(wx, WX_PSR_VLAN_SWC); + /* See if any other pools are set for this VLAN filter + * entry other than the PF. + */ + if (VMDQ_P(0) < 32) { + bits = rd32(wx, WX_PSR_VLAN_SWC_VM_L); + bits &= ~BIT(VMDQ_P(0)); + if (wx->mac.type == wx_mac_sp) + bits |= rd32(wx, WX_PSR_VLAN_SWC_VM_H); + } else { + if (wx->mac.type == wx_mac_sp) + bits = rd32(wx, WX_PSR_VLAN_SWC_VM_H); + bits &= ~BIT(VMDQ_P(0) % 32); + bits |= rd32(wx, WX_PSR_VLAN_SWC_VM_L); + } + /* If the filter was removed then ensure PF pool bit + * is cleared if the PF only added itself to the pool + * because the PF is in promiscuous mode. + */ + if ((vlvf & VLAN_VID_MASK) == vid && !bits) + wx_set_vf_vlan(wx, add, vid, VMDQ_P(0)); + } + +out: + return err; +} + +static int wx_set_vf_macvlan_msg(struct wx *wx, u32 *msgbuf, u16 vf) +{ + int index = (msgbuf[0] & WX_VT_MSGINFO_MASK) >> + WX_VT_MSGINFO_SHIFT; + u8 *new_mac = ((u8 *)(&msgbuf[1])); + int err; + + if (wx->vfinfo[vf].pf_set_mac && index > 0) { + wx_err(wx, "VF %d requested MACVLAN filter but is administratively denied\n", vf); + return -EINVAL; + } + + /* An non-zero index indicates the VF is setting a filter */ + if (index) { + if (!is_valid_ether_addr(new_mac)) { + wx_err(wx, "VF %d attempted to set invalid mac\n", vf); + return -EINVAL; + } + /* If the VF is allowed to set MAC filters then turn off + * anti-spoofing to avoid false positives. + */ + if (wx->vfinfo[vf].spoofchk_enabled) + wx_ndo_set_vf_spoofchk(wx->netdev, vf, false); + } + + err = wx_set_vf_macvlan(wx, vf, index, new_mac); + if (err == -ENOSPC) + wx_err(wx, + "VF %d has requested a MACVLAN filter but there is no space for it\n", + vf); + + return err < 0; +} + +static int wx_negotiate_vf_api(struct wx *wx, u32 *msgbuf, u32 vf) +{ + int api = msgbuf[1]; + + switch (api) { + case wx_mbox_api_10 ... wx_mbox_api_13: + wx->vfinfo[vf].vf_api = api; + return 0; + default: + wx_err(wx, "VF %d requested invalid api version %u\n", vf, api); + return -EINVAL; + } +} + +static int wx_get_vf_link_state(struct wx *wx, u32 *msgbuf, u32 vf) +{ + /* verify the PF is supporting the correct API */ + switch (wx->vfinfo[vf].vf_api) { + case wx_mbox_api_12 ... wx_mbox_api_13: + break; + default: + return -EOPNOTSUPP; + } + + msgbuf[1] = wx->vfinfo[vf].link_enable; + + return 0; +} + +static int wx_get_fw_version(struct wx *wx, u32 *msgbuf, u32 vf) +{ + unsigned long fw_version = 0ULL; + int ret = 0; + + /* verify the PF is supporting the correct API */ + switch (wx->vfinfo[vf].vf_api) { + case wx_mbox_api_12 ... wx_mbox_api_13: + break; + default: + return -EOPNOTSUPP; + } + + ret = kstrtoul(wx->eeprom_id, 16, &fw_version); + if (ret) + return -EOPNOTSUPP; + msgbuf[1] = fw_version; + + return 0; +} + +static int wx_update_vf_xcast_mode(struct wx *wx, u32 *msgbuf, u32 vf) +{ + int xcast_mode = msgbuf[1]; + u32 vmolr, disable, enable; + + /* verify the PF is supporting the correct APIs */ + switch (wx->vfinfo[vf].vf_api) { + case wx_mbox_api_12: + /* promisc introduced in 1.3 version */ + if (xcast_mode == WXVF_XCAST_MODE_PROMISC) + return -EOPNOTSUPP; + fallthrough; + case wx_mbox_api_13: + break; + default: + return -EOPNOTSUPP; + } + if (wx->vfinfo[vf].xcast_mode == xcast_mode) + goto out; + + switch (xcast_mode) { + case WXVF_XCAST_MODE_NONE: + disable = WX_PSR_VM_L2CTL_BAM | WX_PSR_VM_L2CTL_ROMPE | + WX_PSR_VM_L2CTL_MPE | WX_PSR_VM_L2CTL_UPE | WX_PSR_VM_L2CTL_VPE; + enable = 0; + break; + case WXVF_XCAST_MODE_MULTI: + disable = WX_PSR_VM_L2CTL_MPE | WX_PSR_VM_L2CTL_UPE | WX_PSR_VM_L2CTL_VPE; + enable = WX_PSR_VM_L2CTL_BAM | WX_PSR_VM_L2CTL_ROMPE; + break; + case WXVF_XCAST_MODE_ALLMULTI: + disable = WX_PSR_VM_L2CTL_UPE | WX_PSR_VM_L2CTL_VPE; + enable = WX_PSR_VM_L2CTL_BAM | WX_PSR_VM_L2CTL_ROMPE | WX_PSR_VM_L2CTL_MPE; + break; + case WXVF_XCAST_MODE_PROMISC: + disable = 0; + enable = WX_PSR_VM_L2CTL_BAM | WX_PSR_VM_L2CTL_ROMPE | + WX_PSR_VM_L2CTL_MPE | WX_PSR_VM_L2CTL_UPE | WX_PSR_VM_L2CTL_VPE; + break; + default: + return -EOPNOTSUPP; + } + + vmolr = rd32(wx, WX_PSR_VM_L2CTL(vf)); + vmolr &= ~disable; + vmolr |= enable; + wr32(wx, WX_PSR_VM_L2CTL(vf), vmolr); + + wx->vfinfo[vf].xcast_mode = xcast_mode; +out: + msgbuf[1] = xcast_mode; + + return 0; +} + +static void wx_rcv_msg_from_vf(struct wx *wx, u16 vf) +{ + u16 mbx_size = WX_VXMAILBOX_SIZE; + u32 msgbuf[WX_VXMAILBOX_SIZE]; + int retval; + + retval = wx_read_mbx_pf(wx, msgbuf, mbx_size, vf); + if (retval) { + wx_err(wx, "Error receiving message from VF\n"); + return; + } + + /* this is a message we already processed, do nothing */ + if (msgbuf[0] & (WX_VT_MSGTYPE_ACK | WX_VT_MSGTYPE_NACK)) + return; + + if (msgbuf[0] == WX_VF_RESET) { + wx_vf_reset_msg(wx, vf); + return; + } + + /* until the vf completes a virtual function reset it should not be + * allowed to start any configuration. + */ + if (!wx->vfinfo[vf].clear_to_send) { + msgbuf[0] |= WX_VT_MSGTYPE_NACK; + wx_write_mbx_pf(wx, msgbuf, 1, vf); + return; + } + + switch ((msgbuf[0] & U16_MAX)) { + case WX_VF_SET_MAC_ADDR: + retval = wx_set_vf_mac_addr(wx, msgbuf, vf); + break; + case WX_VF_SET_MULTICAST: + retval = wx_set_vf_multicasts(wx, msgbuf, vf); + break; + case WX_VF_SET_VLAN: + retval = wx_set_vf_vlan_msg(wx, msgbuf, vf); + break; + case WX_VF_SET_LPE: + if (msgbuf[1] > WX_MAX_JUMBO_FRAME_SIZE) { + wx_err(wx, "VF max_frame %d out of range\n", msgbuf[1]); + return; + } + retval = wx_set_vf_lpe(wx, msgbuf[1], vf); + break; + case WX_VF_SET_MACVLAN: + retval = wx_set_vf_macvlan_msg(wx, msgbuf, vf); + break; + case WX_VF_API_NEGOTIATE: + retval = wx_negotiate_vf_api(wx, msgbuf, vf); + break; + case WX_VF_GET_QUEUES: + retval = wx_get_vf_queues(wx, msgbuf, vf); + break; + case WX_VF_GET_LINK_STATE: + retval = wx_get_vf_link_state(wx, msgbuf, vf); + break; + case WX_VF_GET_FW_VERSION: + retval = wx_get_fw_version(wx, msgbuf, vf); + break; + case WX_VF_UPDATE_XCAST_MODE: + retval = wx_update_vf_xcast_mode(wx, msgbuf, vf); + break; + case WX_VF_BACKUP: + break; + default: + wx_err(wx, "Unhandled Msg %8.8x\n", msgbuf[0]); + break; + } + + /* notify the VF of the results of what it sent us */ + if (retval) + msgbuf[0] |= WX_VT_MSGTYPE_NACK; + else + msgbuf[0] |= WX_VT_MSGTYPE_ACK; + + msgbuf[0] |= WX_VT_MSGTYPE_CTS; + + wx_write_mbx_pf(wx, msgbuf, mbx_size, vf); +} + +static void wx_rcv_ack_from_vf(struct wx *wx, u16 vf) +{ + u32 msg = WX_VT_MSGTYPE_NACK; + + /* if device isn't clear to send it shouldn't be reading either */ + if (!wx->vfinfo[vf].clear_to_send) + wx_write_mbx_pf(wx, &msg, 1, vf); +} + +void wx_msg_task(struct wx *wx) +{ + u16 vf; + + for (vf = 0; vf < wx->num_vfs; vf++) { + /* process any reset requests */ + if (!wx_check_for_rst_pf(wx, vf)) + wx_vf_reset_event(wx, vf); + + /* process any messages pending */ + if (!wx_check_for_msg_pf(wx, vf)) + wx_rcv_msg_from_vf(wx, vf); + + /* process any acks */ + if (!wx_check_for_ack_pf(wx, vf)) + wx_rcv_ack_from_vf(wx, vf); + } +} +EXPORT_SYMBOL(wx_msg_task); diff --git a/drivers/net/ethernet/wangxun/libwx/wx_sriov.h b/drivers/net/ethernet/wangxun/libwx/wx_sriov.h index 6ee1fdff492b..dc8a77563846 100644 --- a/drivers/net/ethernet/wangxun/libwx/wx_sriov.h +++ b/drivers/net/ethernet/wangxun/libwx/wx_sriov.h @@ -11,5 +11,6 @@ int wx_ndo_set_vf_vlan(struct net_device *netdev, int vf, u16 vlan, u8 qos, __be int wx_ndo_set_vf_mac(struct net_device *netdev, int vf, u8 *mac); int wx_ndo_set_vf_spoofchk(struct net_device *netdev, int vf, bool setting); int wx_ndo_set_vf_link_state(struct net_device *netdev, int vf, int state); +void wx_msg_task(struct wx *wx); #endif /* _WX_SRIOV_H_ */ diff --git a/drivers/net/ethernet/wangxun/libwx/wx_type.h b/drivers/net/ethernet/wangxun/libwx/wx_type.h index b0ad9832af3a..3544cbb56b26 100644 --- a/drivers/net/ethernet/wangxun/libwx/wx_type.h +++ b/drivers/net/ethernet/wangxun/libwx/wx_type.h @@ -202,6 +202,7 @@ #define WX_PSR_VM_L2CTL(_i) (0x15600 + ((_i) * 4)) #define WX_PSR_VM_L2CTL_UPE BIT(4) /* unicast promiscuous */ #define WX_PSR_VM_L2CTL_VACC BIT(6) /* accept nomatched vlan */ +#define WX_PSR_VM_L2CTL_VPE BIT(7) /* vlan promiscuous mode */ #define WX_PSR_VM_L2CTL_AUPE BIT(8) /* accept untagged packets */ #define WX_PSR_VM_L2CTL_ROMPE BIT(9) /* accept packets in MTA tbl */ #define WX_PSR_VM_L2CTL_ROPE BIT(10) /* accept packets in UC tbl */ @@ -245,6 +246,7 @@ /* VLAN pool filtering masks */ #define WX_PSR_VLAN_SWC_VIEN BIT(31) /* filter is valid */ #define WX_PSR_VLAN_SWC_ENTRIES 64 +#define WX_PSR_VLAN_SWC_VLANID_MASK GENMASK(11, 0) /********************************* RSEC **************************************/ /* general rsec */ @@ -303,6 +305,9 @@ #define WX_MAC_WDG_TIMEOUT 0x1100C #define WX_MAC_RX_FLOW_CTRL 0x11090 #define WX_MAC_RX_FLOW_CTRL_RFE BIT(0) /* receive fc enable */ + +#define WX_MAC_WDG_TIMEOUT_WTO_MASK GENMASK(3, 0) +#define WX_MAC_WDG_TIMEOUT_WTO_DELTA 2 /* MDIO Registers */ #define WX_MSCA 0x11200 #define WX_MSCA_RA(v) FIELD_PREP(U16_MAX, v) @@ -1034,6 +1039,7 @@ struct vf_data_storage { bool link_enable; bool trusted; int xcast_mode; + unsigned int vf_api; bool clear_to_send; u16 pf_vlan; /* When set, guest VLAN config not allowed. */ u16 pf_qos; @@ -1145,6 +1151,7 @@ struct wx { u32 wol; u16 bd_number; + bool default_up; struct wx_hw_stats stats; u64 tx_busy;