Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next

Pull networking updates from David Miller:

 1) Add Maglev hashing scheduler to IPVS, from Inju Song.

 2) Lots of new TC subsystem tests from Roman Mashak.

 3) Add TCP zero copy receive and fix delayed acks and autotuning with
    SO_RCVLOWAT, from Eric Dumazet.

 4) Add XDP_REDIRECT support to mlx5 driver, from Jesper Dangaard
    Brouer.

 5) Add ttl inherit support to vxlan, from Hangbin Liu.

 6) Properly separate ipv6 routes into their logically independant
    components. fib6_info for the routing table, and fib6_nh for sets of
    nexthops, which thus can be shared. From David Ahern.

 7) Add bpf_xdp_adjust_tail helper, which can be used to generate ICMP
    messages from XDP programs. From Nikita V. Shirokov.

 8) Lots of long overdue cleanups to the r8169 driver, from Heiner
    Kallweit.

 9) Add BTF ("BPF Type Format"), from Martin KaFai Lau.

10) Add traffic condition monitoring to iwlwifi, from Luca Coelho.

11) Plumb extack down into fib_rules, from Roopa Prabhu.

12) Add Flower classifier offload support to igb, from Vinicius Costa
    Gomes.

13) Add UDP GSO support, from Willem de Bruijn.

14) Add documentation for eBPF helpers, from Quentin Monnet.

15) Add TLS tx offload to mlx5, from Ilya Lesokhin.

16) Allow applications to be given the number of bytes available to read
    on a socket via a control message returned from recvmsg(), from
    Soheil Hassas Yeganeh.

17) Add x86_32 eBPF JIT compiler, from Wang YanQing.

18) Add AF_XDP sockets, with zerocopy support infrastructure as well.
    From Björn Töpel.

19) Remove indirect load support from all of the BPF JITs and handle
    these operations in the verifier by translating them into native BPF
    instead. From Daniel Borkmann.

20) Add GRO support to ipv6 gre tunnels, from Eran Ben Elisha.

21) Allow XDP programs to do lookups in the main kernel routing tables
    for forwarding. From David Ahern.

22) Allow drivers to store hardware state into an ELF section of kernel
    dump vmcore files, and use it in cxgb4. From Rahul Lakkireddy.

23) Various RACK and loss detection improvements in TCP, from Yuchung
    Cheng.

24) Add TCP SACK compression, from Eric Dumazet.

25) Add User Mode Helper support and basic bpfilter infrastructure, from
    Alexei Starovoitov.

26) Support ports and protocol values in RTM_GETROUTE, from Roopa
    Prabhu.

27) Support bulking in ->ndo_xdp_xmit() API, from Jesper Dangaard
    Brouer.

28) Add lots of forwarding selftests, from Petr Machata.

29) Add generic network device failover driver, from Sridhar Samudrala.

* ra.kernel.org:/pub/scm/linux/kernel/git/davem/net-next: (1959 commits)
  strparser: Add __strp_unpause and use it in ktls.
  rxrpc: Fix terminal retransmission connection ID to include the channel
  net: hns3: Optimize PF CMDQ interrupt switching process
  net: hns3: Fix for VF mailbox receiving unknown message
  net: hns3: Fix for VF mailbox cannot receiving PF response
  bnx2x: use the right constant
  Revert "net: sched: cls: Fix offloading when ingress dev is vxlan"
  net: dsa: b53: Fix for brcm tag issue in Cygnus SoC
  enic: fix UDP rss bits
  netdev-FAQ: clarify DaveM's position for stable backports
  rtnetlink: validate attributes in do_setlink()
  mlxsw: Add extack messages for port_{un, }split failures
  netdevsim: Add extack error message for devlink reload
  devlink: Add extack to reload and port_{un, }split operations
  net: metrics: add proper netlink validation
  ipmr: fix error path when ipmr_new_table fails
  ip6mr: only set ip6mr_table from setsockopt when ip6mr_new_table succeeds
  net: hns3: remove unused hclgevf_cfg_func_mta_filter
  netfilter: provide udp*_lib_lookup for nf_tproxy
  qed*: Utilize FW 8.37.2.0
  ...

1 files changed, 231 insertions, 16 deletions

diff --git a/drivers/net/ethernet/qlogic/qed/qed_sriov.c b/drivers/net/ethernet/qlogic/qed/qed_sriov.c
index 5acb91b3564c..f01bf52bc381 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_sriov.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_sriov.c
@@ -48,7 +48,7 @@ static int qed_sriov_eqe_event(struct qed_hwfn *p_hwfn,
 			       u8 opcode,
 			       __le16 echo,
 			       union event_ring_data *data, u8 fw_return_code);
-
+static int qed_iov_bulletin_set_mac(struct qed_hwfn *p_hwfn, u8 *mac, int vfid);
 
 static u8 qed_vf_calculate_legacy(struct qed_vf_info *p_vf)
 {
@@ -1790,7 +1790,8 @@ static int qed_iov_configure_vport_forced(struct qed_hwfn *p_hwfn,
 	if (!p_vf->vport_instance)
 		return -EINVAL;
 
-	if (events & BIT(MAC_ADDR_FORCED)) {
+	if ((events & BIT(MAC_ADDR_FORCED)) ||
+	    p_vf->p_vf_info.is_trusted_configured) {
 		/* Since there's no way [currently] of removing the MAC,
 		 * we can always assume this means we need to force it.
 		 */
@@ -1809,8 +1810,12 @@ static int qed_iov_configure_vport_forced(struct qed_hwfn *p_hwfn,
 				  "PF failed to configure MAC for VF\n");
 			return rc;
 		}
-
-		p_vf->configured_features |= 1 << MAC_ADDR_FORCED;
+		if (p_vf->p_vf_info.is_trusted_configured)
+			p_vf->configured_features |=
+				BIT(VFPF_BULLETIN_MAC_ADDR);
+		else
+			p_vf->configured_features |=
+				BIT(MAC_ADDR_FORCED);
 	}
 
 	if (events & BIT(VLAN_ADDR_FORCED)) {
@@ -3170,6 +3175,10 @@ static int qed_iov_vf_update_mac_shadow(struct qed_hwfn *p_hwfn,
 	if (p_vf->bulletin.p_virt->valid_bitmap & BIT(MAC_ADDR_FORCED))
 		return 0;
 
+	/* Don't keep track of shadow copy since we don't intend to restore. */
+	if (p_vf->p_vf_info.is_trusted_configured)
+		return 0;
+
 	/* First remove entries and then add new ones */
 	if (p_params->opcode == QED_FILTER_REMOVE) {
 		for (i = 0; i < QED_ETH_VF_NUM_MAC_FILTERS; i++) {
@@ -3244,9 +3253,17 @@ static int qed_iov_chk_ucast(struct qed_hwfn *hwfn,
 
 	/* No real decision to make; Store the configured MAC */
 	if (params->type == QED_FILTER_MAC ||
-	    params->type == QED_FILTER_MAC_VLAN)
+	    params->type == QED_FILTER_MAC_VLAN) {
 		ether_addr_copy(vf->mac, params->mac);
 
+		if (vf->is_trusted_configured) {
+			qed_iov_bulletin_set_mac(hwfn, vf->mac, vfid);
+
+			/* Update and post bulleitin again */
+			qed_schedule_iov(hwfn, QED_IOV_WQ_BULLETIN_UPDATE_FLAG);
+		}
+	}
+
 	return 0;
 }
 
@@ -3803,6 +3820,40 @@ static void qed_iov_get_link(struct qed_hwfn *p_hwfn,
 		__qed_vf_get_link_caps(p_hwfn, p_caps, p_bulletin);
 }
 
+static int
+qed_iov_vf_pf_bulletin_update_mac(struct qed_hwfn *p_hwfn,
+				  struct qed_ptt *p_ptt,
+				  struct qed_vf_info *p_vf)
+{
+	struct qed_bulletin_content *p_bulletin = p_vf->bulletin.p_virt;
+	struct qed_iov_vf_mbx *mbx = &p_vf->vf_mbx;
+	struct vfpf_bulletin_update_mac_tlv *p_req;
+	u8 status = PFVF_STATUS_SUCCESS;
+	int rc = 0;
+
+	if (!p_vf->p_vf_info.is_trusted_configured) {
+		DP_VERBOSE(p_hwfn,
+			   QED_MSG_IOV,
+			   "Blocking bulletin update request from untrusted VF[%d]\n",
+			   p_vf->abs_vf_id);
+		status = PFVF_STATUS_NOT_SUPPORTED;
+		rc = -EINVAL;
+		goto send_status;
+	}
+
+	p_req = &mbx->req_virt->bulletin_update_mac;
+	ether_addr_copy(p_bulletin->mac, p_req->mac);
+	DP_VERBOSE(p_hwfn, QED_MSG_IOV,
+		   "Updated bulletin of VF[%d] with requested MAC[%pM]\n",
+		   p_vf->abs_vf_id, p_req->mac);
+
+send_status:
+	qed_iov_prepare_resp(p_hwfn, p_ptt, p_vf,
+			     CHANNEL_TLV_BULLETIN_UPDATE_MAC,
+			     sizeof(struct pfvf_def_resp_tlv), status);
+	return rc;
+}
+
 static void qed_iov_process_mbx_req(struct qed_hwfn *p_hwfn,
 				    struct qed_ptt *p_ptt, int vfid)
 {
@@ -3882,6 +3933,9 @@ static void qed_iov_process_mbx_req(struct qed_hwfn *p_hwfn,
 		case CHANNEL_TLV_COALESCE_READ:
 			qed_iov_vf_pf_get_coalesce(p_hwfn, p_ptt, p_vf);
 			break;
+		case CHANNEL_TLV_BULLETIN_UPDATE_MAC:
+			qed_iov_vf_pf_bulletin_update_mac(p_hwfn, p_ptt, p_vf);
+			break;
 		}
 	} else if (qed_iov_tlv_supported(mbx->first_tlv.tl.type)) {
 		DP_VERBOSE(p_hwfn, QED_MSG_IOV,
@@ -4081,16 +4135,60 @@ static void qed_iov_bulletin_set_forced_mac(struct qed_hwfn *p_hwfn,
 		return;
 	}
 
-	feature = 1 << MAC_ADDR_FORCED;
+	if (vf_info->p_vf_info.is_trusted_configured) {
+		feature = BIT(VFPF_BULLETIN_MAC_ADDR);
+		/* Trust mode will disable Forced MAC */
+		vf_info->bulletin.p_virt->valid_bitmap &=
+			~BIT(MAC_ADDR_FORCED);
+	} else {
+		feature = BIT(MAC_ADDR_FORCED);
+		/* Forced MAC will disable MAC_ADDR */
+		vf_info->bulletin.p_virt->valid_bitmap &=
+			~BIT(VFPF_BULLETIN_MAC_ADDR);
+	}
+
 	memcpy(vf_info->bulletin.p_virt->mac, mac, ETH_ALEN);
 
 	vf_info->bulletin.p_virt->valid_bitmap |= feature;
-	/* Forced MAC will disable MAC_ADDR */
-	vf_info->bulletin.p_virt->valid_bitmap &= ~BIT(VFPF_BULLETIN_MAC_ADDR);
 
 	qed_iov_configure_vport_forced(p_hwfn, vf_info, feature);
 }
 
+static int qed_iov_bulletin_set_mac(struct qed_hwfn *p_hwfn, u8 *mac, int vfid)
+{
+	struct qed_vf_info *vf_info;
+	u64 feature;
+
+	vf_info = qed_iov_get_vf_info(p_hwfn, (u16)vfid, true);
+	if (!vf_info) {
+		DP_NOTICE(p_hwfn->cdev, "Can not set MAC, invalid vfid [%d]\n",
+			  vfid);
+		return -EINVAL;
+	}
+
+	if (vf_info->b_malicious) {
+		DP_NOTICE(p_hwfn->cdev, "Can't set MAC to malicious VF [%d]\n",
+			  vfid);
+		return -EINVAL;
+	}
+
+	if (vf_info->bulletin.p_virt->valid_bitmap & BIT(MAC_ADDR_FORCED)) {
+		DP_VERBOSE(p_hwfn, QED_MSG_IOV,
+			   "Can not set MAC, Forced MAC is configured\n");
+		return -EINVAL;
+	}
+
+	feature = BIT(VFPF_BULLETIN_MAC_ADDR);
+	ether_addr_copy(vf_info->bulletin.p_virt->mac, mac);
+
+	vf_info->bulletin.p_virt->valid_bitmap |= feature;
+
+	if (vf_info->p_vf_info.is_trusted_configured)
+		qed_iov_configure_vport_forced(p_hwfn, vf_info, feature);
+
+	return 0;
+}
+
 static void qed_iov_bulletin_set_forced_vlan(struct qed_hwfn *p_hwfn,
 					     u16 pvid, int vfid)
 {
@@ -4204,6 +4302,21 @@ out:
 	return rc;
 }
 
+static u8 *qed_iov_bulletin_get_mac(struct qed_hwfn *p_hwfn, u16 rel_vf_id)
+{
+	struct qed_vf_info *p_vf;
+
+	p_vf = qed_iov_get_vf_info(p_hwfn, rel_vf_id, true);
+	if (!p_vf || !p_vf->bulletin.p_virt)
+		return NULL;
+
+	if (!(p_vf->bulletin.p_virt->valid_bitmap &
+	      BIT(VFPF_BULLETIN_MAC_ADDR)))
+		return NULL;
+
+	return p_vf->bulletin.p_virt->mac;
+}
+
 static u8 *qed_iov_bulletin_get_forced_mac(struct qed_hwfn *p_hwfn,
 					   u16 rel_vf_id)
 {
@@ -4493,8 +4606,12 @@ static int qed_sriov_pf_set_mac(struct qed_dev *cdev, u8 *mac, int vfid)
 		if (!vf_info)
 			continue;
 
-		/* Set the forced MAC, and schedule the IOV task */
-		ether_addr_copy(vf_info->forced_mac, mac);
+		/* Set the MAC, and schedule the IOV task */
+		if (vf_info->is_trusted_configured)
+			ether_addr_copy(vf_info->mac, mac);
+		else
+			ether_addr_copy(vf_info->forced_mac, mac);
+
 		qed_schedule_iov(hwfn, QED_IOV_WQ_SET_UNICAST_FILTER_FLAG);
 	}
 
@@ -4802,6 +4919,33 @@ static void qed_handle_vf_msg(struct qed_hwfn *hwfn)
 	qed_ptt_release(hwfn, ptt);
 }
 
+static bool qed_pf_validate_req_vf_mac(struct qed_hwfn *hwfn,
+				       u8 *mac,
+				       struct qed_public_vf_info *info)
+{
+	if (info->is_trusted_configured) {
+		if (is_valid_ether_addr(info->mac) &&
+		    (!mac || !ether_addr_equal(mac, info->mac)))
+			return true;
+	} else {
+		if (is_valid_ether_addr(info->forced_mac) &&
+		    (!mac || !ether_addr_equal(mac, info->forced_mac)))
+			return true;
+	}
+
+	return false;
+}
+
+static void qed_set_bulletin_mac(struct qed_hwfn *hwfn,
+				 struct qed_public_vf_info *info,
+				 int vfid)
+{
+	if (info->is_trusted_configured)
+		qed_iov_bulletin_set_mac(hwfn, info->mac, vfid);
+	else
+		qed_iov_bulletin_set_forced_mac(hwfn, info->forced_mac, vfid);
+}
+
 static void qed_handle_pf_set_vf_unicast(struct qed_hwfn *hwfn)
 {
 	int i;
@@ -4816,18 +4960,20 @@ static void qed_handle_pf_set_vf_unicast(struct qed_hwfn *hwfn)
 			continue;
 
 		/* Update data on bulletin board */
-		mac = qed_iov_bulletin_get_forced_mac(hwfn, i);
-		if (is_valid_ether_addr(info->forced_mac) &&
-		    (!mac || !ether_addr_equal(mac, info->forced_mac))) {
+		if (info->is_trusted_configured)
+			mac = qed_iov_bulletin_get_mac(hwfn, i);
+		else
+			mac = qed_iov_bulletin_get_forced_mac(hwfn, i);
+
+		if (qed_pf_validate_req_vf_mac(hwfn, mac, info)) {
 			DP_VERBOSE(hwfn,
 				   QED_MSG_IOV,
 				   "Handling PF setting of VF MAC to VF 0x%02x [Abs 0x%02x]\n",
 				   i,
 				   hwfn->cdev->p_iov_info->first_vf_in_pf + i);
 
-			/* Update bulletin board with forced MAC */
-			qed_iov_bulletin_set_forced_mac(hwfn,
-							info->forced_mac, i);
+			/* Update bulletin board with MAC */
+			qed_set_bulletin_mac(hwfn, info, i);
 			update = true;
 		}
 
@@ -4867,6 +5013,72 @@ static void qed_handle_bulletin_post(struct qed_hwfn *hwfn)
 	qed_ptt_release(hwfn, ptt);
 }
 
+static void qed_update_mac_for_vf_trust_change(struct qed_hwfn *hwfn, int vf_id)
+{
+	struct qed_public_vf_info *vf_info;
+	struct qed_vf_info *vf;
+	u8 *force_mac;
+	int i;
+
+	vf_info = qed_iov_get_public_vf_info(hwfn, vf_id, true);
+	vf = qed_iov_get_vf_info(hwfn, vf_id, true);
+
+	if (!vf_info || !vf)
+		return;
+
+	/* Force MAC converted to generic MAC in case of VF trust on */
+	if (vf_info->is_trusted_configured &&
+	    (vf->bulletin.p_virt->valid_bitmap & BIT(MAC_ADDR_FORCED))) {
+		force_mac = qed_iov_bulletin_get_forced_mac(hwfn, vf_id);
+
+		if (force_mac) {
+			/* Clear existing shadow copy of MAC to have a clean
+			 * slate.
+			 */
+			for (i = 0; i < QED_ETH_VF_NUM_MAC_FILTERS; i++) {
+				if (ether_addr_equal(vf->shadow_config.macs[i],
+						     vf_info->mac)) {
+					memset(vf->shadow_config.macs[i], 0,
+					       ETH_ALEN);
+					DP_VERBOSE(hwfn, QED_MSG_IOV,
+						   "Shadow MAC %pM removed for VF 0x%02x, VF trust mode is ON\n",
+						    vf_info->mac, vf_id);
+					break;
+				}
+			}
+
+			ether_addr_copy(vf_info->mac, force_mac);
+			memset(vf_info->forced_mac, 0, ETH_ALEN);
+			vf->bulletin.p_virt->valid_bitmap &=
+					~BIT(MAC_ADDR_FORCED);
+			qed_schedule_iov(hwfn, QED_IOV_WQ_BULLETIN_UPDATE_FLAG);
+		}
+	}
+
+	/* Update shadow copy with VF MAC when trust mode is turned off */
+	if (!vf_info->is_trusted_configured) {
+		u8 empty_mac[ETH_ALEN];
+
+		memset(empty_mac, 0, ETH_ALEN);
+		for (i = 0; i < QED_ETH_VF_NUM_MAC_FILTERS; i++) {
+			if (ether_addr_equal(vf->shadow_config.macs[i],
+					     empty_mac)) {
+				ether_addr_copy(vf->shadow_config.macs[i],
+						vf_info->mac);
+				DP_VERBOSE(hwfn, QED_MSG_IOV,
+					   "Shadow is updated with %pM for VF 0x%02x, VF trust mode is OFF\n",
+					    vf_info->mac, vf_id);
+				break;
+			}
+		}
+		/* Clear bulletin when trust mode is turned off,
+		 * to have a clean slate for next (normal) operations.
+		 */
+		qed_iov_bulletin_set_mac(hwfn, empty_mac, vf_id);
+		qed_schedule_iov(hwfn, QED_IOV_WQ_BULLETIN_UPDATE_FLAG);
+	}
+}
+
 static void qed_iov_handle_trust_change(struct qed_hwfn *hwfn)
 {
 	struct qed_sp_vport_update_params params;
@@ -4890,6 +5102,9 @@ static void qed_iov_handle_trust_change(struct qed_hwfn *hwfn)
 			continue;
 		vf_info->is_trusted_configured = vf_info->is_trusted_request;
 
+		/* Handle forced MAC mode */
+		qed_update_mac_for_vf_trust_change(hwfn, i);
+
 		/* Validate that the VF has a configured vport */
 		vf = qed_iov_get_vf_info(hwfn, i, true);
 		if (!vf->vport_instance)