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

Pull networking updates from David Miller:

 1) Support 6Ghz band in ath11k driver, from Rajkumar Manoharan.

 2) Support UDP segmentation in code TSO code, from Eric Dumazet.

 3) Allow flashing different flash images in cxgb4 driver, from Vishal
    Kulkarni.

 4) Add drop frames counter and flow status to tc flower offloading,
    from Po Liu.

 5) Support n-tuple filters in cxgb4, from Vishal Kulkarni.

 6) Various new indirect call avoidance, from Eric Dumazet and Brian
    Vazquez.

 7) Fix BPF verifier failures on 32-bit pointer arithmetic, from
    Yonghong Song.

 8) Support querying and setting hardware address of a port function via
    devlink, use this in mlx5, from Parav Pandit.

 9) Support hw ipsec offload on bonding slaves, from Jarod Wilson.

10) Switch qca8k driver over to phylink, from Jonathan McDowell.

11) In bpftool, show list of processes holding BPF FD references to
    maps, programs, links, and btf objects. From Andrii Nakryiko.

12) Several conversions over to generic power management, from Vaibhav
    Gupta.

13) Add support for SO_KEEPALIVE et al. to bpf_setsockopt(), from Dmitry
    Yakunin.

14) Various https url conversions, from Alexander A. Klimov.

15) Timestamping and PHC support for mscc PHY driver, from Antoine
    Tenart.

16) Support bpf iterating over tcp and udp sockets, from Yonghong Song.

17) Support 5GBASE-T i40e NICs, from Aleksandr Loktionov.

18) Add kTLS RX HW offload support to mlx5e, from Tariq Toukan.

19) Fix the ->ndo_start_xmit() return type to be netdev_tx_t in several
    drivers. From Luc Van Oostenryck.

20) XDP support for xen-netfront, from Denis Kirjanov.

21) Support receive buffer autotuning in MPTCP, from Florian Westphal.

22) Support EF100 chip in sfc driver, from Edward Cree.

23) Add XDP support to mvpp2 driver, from Matteo Croce.

24) Support MPTCP in sock_diag, from Paolo Abeni.

25) Commonize UDP tunnel offloading code by creating udp_tunnel_nic
    infrastructure, from Jakub Kicinski.

26) Several pci_ --> dma_ API conversions, from Christophe JAILLET.

27) Add FLOW_ACTION_POLICE support to mlxsw, from Ido Schimmel.

28) Add SK_LOOKUP bpf program type, from Jakub Sitnicki.

29) Refactor a lot of networking socket option handling code in order to
    avoid set_fs() calls, from Christoph Hellwig.

30) Add rfc4884 support to icmp code, from Willem de Bruijn.

31) Support TBF offload in dpaa2-eth driver, from Ioana Ciornei.

32) Support XDP_REDIRECT in qede driver, from Alexander Lobakin.

33) Support PCI relaxed ordering in mlx5 driver, from Aya Levin.

34) Support TCP syncookies in MPTCP, from Flowian Westphal.

35) Fix several tricky cases of PMTU handling wrt. briding, from Stefano
    Brivio.

* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (2056 commits)
  net: thunderx: initialize VF's mailbox mutex before first usage
  usb: hso: remove bogus check for EINPROGRESS
  usb: hso: no complaint about kmalloc failure
  hso: fix bailout in error case of probe
  ip_tunnel_core: Fix build for archs without _HAVE_ARCH_IPV6_CSUM
  selftests/net: relax cpu affinity requirement in msg_zerocopy test
  mptcp: be careful on subflow creation
  selftests: rtnetlink: make kci_test_encap() return sub-test result
  selftests: rtnetlink: correct the final return value for the test
  net: dsa: sja1105: use detected device id instead of DT one on mismatch
  tipc: set ub->ifindex for local ipv6 address
  ipv6: add ipv6_dev_find()
  net: openvswitch: silence suspicious RCU usage warning
  Revert "vxlan: fix tos value before xmit"
  ptp: only allow phase values lower than 1 period
  farsync: switch from 'pci_' to 'dma_' API
  wan: wanxl: switch from 'pci_' to 'dma_' API
  hv_netvsc: do not use VF device if link is down
  dpaa2-eth: Fix passing zero to 'PTR_ERR' warning
  net: macb: Properly handle phylink on at91sam9x
  ...

9 files changed, 231 insertions, 125 deletions

diff --git a/drivers/net/ethernet/amazon/ena/ena_admin_defs.h b/drivers/net/ethernet/amazon/ena/ena_admin_defs.h
index 336742f6e3c3..b818a169c193 100644
--- a/drivers/net/ethernet/amazon/ena/ena_admin_defs.h
+++ b/drivers/net/ethernet/amazon/ena/ena_admin_defs.h
@@ -491,6 +491,36 @@ enum ena_admin_llq_stride_ctrl {
 	ENA_ADMIN_MULTIPLE_DESCS_PER_ENTRY          = 2,
 };
 
+enum ena_admin_accel_mode_feat {
+	ENA_ADMIN_DISABLE_META_CACHING              = 0,
+	ENA_ADMIN_LIMIT_TX_BURST                    = 1,
+};
+
+struct ena_admin_accel_mode_get {
+	/* bit field of enum ena_admin_accel_mode_feat */
+	u16 supported_flags;
+
+	/* maximum burst size between two doorbells. The size is in bytes */
+	u16 max_tx_burst_size;
+};
+
+struct ena_admin_accel_mode_set {
+	/* bit field of enum ena_admin_accel_mode_feat */
+	u16 enabled_flags;
+
+	u16 reserved;
+};
+
+struct ena_admin_accel_mode_req {
+	union {
+		u32 raw[2];
+
+		struct ena_admin_accel_mode_get get;
+
+		struct ena_admin_accel_mode_set set;
+	} u;
+};
+
 struct ena_admin_feature_llq_desc {
 	u32 max_llq_num;
 
@@ -536,10 +566,13 @@ struct ena_admin_feature_llq_desc {
 	/* the stride control the driver selected to use */
 	u16 descriptors_stride_ctrl_enabled;
 
-	/* Maximum size in bytes taken by llq entries in a single tx burst.
-	 * Set to 0 when there is no such limit.
+	/* reserved */
+	u32 reserved1;
+
+	/* accelerated low latency queues requirement. driver needs to
+	 * support those requirements in order to use accelerated llq
 	 */
-	u32 max_tx_burst_size;
+	struct ena_admin_accel_mode_req accel_mode;
 };
 
 struct ena_admin_queue_ext_feature_fields {
@@ -816,7 +849,9 @@ struct ena_admin_host_info {
 	/* 0 : reserved
 	 * 1 : rx_offset
 	 * 2 : interrupt_moderation
-	 * 31:3 : reserved
+	 * 3 : rx_buf_mirroring
+	 * 4 : rss_configurable_function_key
+	 * 31:5 : reserved
 	 */
 	u32 driver_supported_features;
 };
@@ -1129,6 +1164,10 @@ struct ena_admin_ena_mmio_req_read_less_resp {
 #define ENA_ADMIN_HOST_INFO_RX_OFFSET_MASK                  BIT(1)
 #define ENA_ADMIN_HOST_INFO_INTERRUPT_MODERATION_SHIFT      2
 #define ENA_ADMIN_HOST_INFO_INTERRUPT_MODERATION_MASK       BIT(2)
+#define ENA_ADMIN_HOST_INFO_RX_BUF_MIRRORING_SHIFT          3
+#define ENA_ADMIN_HOST_INFO_RX_BUF_MIRRORING_MASK           BIT(3)
+#define ENA_ADMIN_HOST_INFO_RSS_CONFIGURABLE_FUNCTION_KEY_SHIFT 4
+#define ENA_ADMIN_HOST_INFO_RSS_CONFIGURABLE_FUNCTION_KEY_MASK BIT(4)
 
 /* aenq_common_desc */
 #define ENA_ADMIN_AENQ_COMMON_DESC_PHASE_MASK               BIT(0)
diff --git a/drivers/net/ethernet/amazon/ena/ena_com.c b/drivers/net/ethernet/amazon/ena/ena_com.c
index 432f143559a1..435bf05a853c 100644
--- a/drivers/net/ethernet/amazon/ena/ena_com.c
+++ b/drivers/net/ethernet/amazon/ena/ena_com.c
@@ -403,6 +403,8 @@ static int ena_com_init_io_sq(struct ena_com_dev *ena_dev,
 		       0x0, io_sq->llq_info.desc_list_entry_size);
 		io_sq->llq_buf_ctrl.descs_left_in_line =
 			io_sq->llq_info.descs_num_before_header;
+		io_sq->disable_meta_caching =
+			io_sq->llq_info.disable_meta_caching;
 
 		if (io_sq->llq_info.max_entries_in_tx_burst > 0)
 			io_sq->entries_in_tx_burst_left =
@@ -626,6 +628,10 @@ static int ena_com_set_llq(struct ena_com_dev *ena_dev)
 	cmd.u.llq.desc_num_before_header_enabled = llq_info->descs_num_before_header;
 	cmd.u.llq.descriptors_stride_ctrl_enabled = llq_info->desc_stride_ctrl;
 
+	cmd.u.llq.accel_mode.u.set.enabled_flags =
+		BIT(ENA_ADMIN_DISABLE_META_CACHING) |
+		BIT(ENA_ADMIN_LIMIT_TX_BURST);
+
 	ret = ena_com_execute_admin_command(admin_queue,
 					    (struct ena_admin_aq_entry *)&cmd,
 					    sizeof(cmd),
@@ -643,6 +649,7 @@ static int ena_com_config_llq_info(struct ena_com_dev *ena_dev,
 				   struct ena_llq_configurations *llq_default_cfg)
 {
 	struct ena_com_llq_info *llq_info = &ena_dev->llq_info;
+	struct ena_admin_accel_mode_get llq_accel_mode_get;
 	u16 supported_feat;
 	int rc;
 
@@ -742,9 +749,17 @@ static int ena_com_config_llq_info(struct ena_com_dev *ena_dev,
 		       llq_default_cfg->llq_num_decs_before_header,
 		       supported_feat, llq_info->descs_num_before_header);
 	}
+	/* Check for accelerated queue supported */
+	llq_accel_mode_get = llq_features->accel_mode.u.get;
+
+	llq_info->disable_meta_caching =
+		!!(llq_accel_mode_get.supported_flags &
+		   BIT(ENA_ADMIN_DISABLE_META_CACHING));
 
-	llq_info->max_entries_in_tx_burst =
-		(u16)(llq_features->max_tx_burst_size /	llq_default_cfg->llq_ring_entry_size_value);
+	if (llq_accel_mode_get.supported_flags & BIT(ENA_ADMIN_LIMIT_TX_BURST))
+		llq_info->max_entries_in_tx_burst =
+			llq_accel_mode_get.max_tx_burst_size /
+			llq_default_cfg->llq_ring_entry_size_value;
 
 	rc = ena_com_set_llq(ena_dev);
 	if (rc)
diff --git a/drivers/net/ethernet/amazon/ena/ena_com.h b/drivers/net/ethernet/amazon/ena/ena_com.h
index bc187adf54e4..4287d47b2b0b 100644
--- a/drivers/net/ethernet/amazon/ena/ena_com.h
+++ b/drivers/net/ethernet/amazon/ena/ena_com.h
@@ -127,6 +127,7 @@ struct ena_com_llq_info {
 	u16 descs_num_before_header;
 	u16 descs_per_entry;
 	u16 max_entries_in_tx_burst;
+	bool disable_meta_caching;
 };
 
 struct ena_com_io_cq {
@@ -189,6 +190,8 @@ struct ena_com_io_sq {
 	enum queue_direction direction;
 	enum ena_admin_placement_policy_type mem_queue_type;
 
+	bool disable_meta_caching;
+
 	u32 msix_vector;
 	struct ena_com_tx_meta cached_tx_meta;
 	struct ena_com_llq_info llq_info;
@@ -230,11 +233,11 @@ struct ena_com_admin_sq {
 };
 
 struct ena_com_stats_admin {
-	u32 aborted_cmd;
-	u32 submitted_cmd;
-	u32 completed_cmd;
-	u32 out_of_space;
-	u32 no_completion;
+	u64 aborted_cmd;
+	u64 submitted_cmd;
+	u64 completed_cmd;
+	u64 out_of_space;
+	u64 no_completion;
 };
 
 struct ena_com_admin_queue {
diff --git a/drivers/net/ethernet/amazon/ena/ena_eth_com.c b/drivers/net/ethernet/amazon/ena/ena_eth_com.c
index ec8ea25e988d..ccd440589565 100644
--- a/drivers/net/ethernet/amazon/ena/ena_eth_com.c
+++ b/drivers/net/ethernet/amazon/ena/ena_eth_com.c
@@ -285,11 +285,10 @@ static u16 ena_com_cdesc_rx_pkt_get(struct ena_com_io_cq *io_cq,
 	return count;
 }
 
-static int ena_com_create_and_store_tx_meta_desc(struct ena_com_io_sq *io_sq,
-							struct ena_com_tx_ctx *ena_tx_ctx)
+static int ena_com_create_meta(struct ena_com_io_sq *io_sq,
+			       struct ena_com_tx_meta *ena_meta)
 {
 	struct ena_eth_io_tx_meta_desc *meta_desc = NULL;
-	struct ena_com_tx_meta *ena_meta = &ena_tx_ctx->ena_meta;
 
 	meta_desc = get_sq_desc(io_sq);
 	memset(meta_desc, 0x0, sizeof(struct ena_eth_io_tx_meta_desc));
@@ -309,12 +308,13 @@ static int ena_com_create_and_store_tx_meta_desc(struct ena_com_io_sq *io_sq,
 
 	/* Extended meta desc */
 	meta_desc->len_ctrl |= ENA_ETH_IO_TX_META_DESC_ETH_META_TYPE_MASK;
-	meta_desc->len_ctrl |= ENA_ETH_IO_TX_META_DESC_META_STORE_MASK;
 	meta_desc->len_ctrl |= (io_sq->phase <<
 		ENA_ETH_IO_TX_META_DESC_PHASE_SHIFT) &
 		ENA_ETH_IO_TX_META_DESC_PHASE_MASK;
 
 	meta_desc->len_ctrl |= ENA_ETH_IO_TX_META_DESC_FIRST_MASK;
+	meta_desc->len_ctrl |= ENA_ETH_IO_TX_META_DESC_META_STORE_MASK;
+
 	meta_desc->word2 |= ena_meta->l3_hdr_len &
 		ENA_ETH_IO_TX_META_DESC_L3_HDR_LEN_MASK;
 	meta_desc->word2 |= (ena_meta->l3_hdr_offset <<
@@ -325,13 +325,36 @@ static int ena_com_create_and_store_tx_meta_desc(struct ena_com_io_sq *io_sq,
 		ENA_ETH_IO_TX_META_DESC_L4_HDR_LEN_IN_WORDS_SHIFT) &
 		ENA_ETH_IO_TX_META_DESC_L4_HDR_LEN_IN_WORDS_MASK;
 
-	meta_desc->len_ctrl |= ENA_ETH_IO_TX_META_DESC_META_STORE_MASK;
+	return ena_com_sq_update_tail(io_sq);
+}
+
+static int ena_com_create_and_store_tx_meta_desc(struct ena_com_io_sq *io_sq,
+						 struct ena_com_tx_ctx *ena_tx_ctx,
+						 bool *have_meta)
+{
+	struct ena_com_tx_meta *ena_meta = &ena_tx_ctx->ena_meta;
 
-	/* Cached the meta desc */
-	memcpy(&io_sq->cached_tx_meta, ena_meta,
-	       sizeof(struct ena_com_tx_meta));
+	/* When disable meta caching is set, don't bother to save the meta and
+	 * compare it to the stored version, just create the meta
+	 */
+	if (io_sq->disable_meta_caching) {
+		if (unlikely(!ena_tx_ctx->meta_valid))
+			return -EINVAL;
 
-	return ena_com_sq_update_tail(io_sq);
+		*have_meta = true;
+		return ena_com_create_meta(io_sq, ena_meta);
+	}
+
+	if (ena_com_meta_desc_changed(io_sq, ena_tx_ctx)) {
+		*have_meta = true;
+		/* Cache the meta desc */
+		memcpy(&io_sq->cached_tx_meta, ena_meta,
+		       sizeof(struct ena_com_tx_meta));
+		return ena_com_create_meta(io_sq, ena_meta);
+	}
+
+	*have_meta = false;
+	return 0;
 }
 
 static void ena_com_rx_set_flags(struct ena_com_rx_ctx *ena_rx_ctx,
@@ -402,12 +425,10 @@ int ena_com_prepare_tx(struct ena_com_io_sq *io_sq,
 	if (unlikely(rc))
 		return rc;
 
-	have_meta = ena_tx_ctx->meta_valid && ena_com_meta_desc_changed(io_sq,
-			ena_tx_ctx);
-	if (have_meta) {
-		rc = ena_com_create_and_store_tx_meta_desc(io_sq, ena_tx_ctx);
-		if (unlikely(rc))
-			return rc;
+	rc = ena_com_create_and_store_tx_meta_desc(io_sq, ena_tx_ctx, &have_meta);
+	if (unlikely(rc)) {
+		pr_err("failed to create and store tx meta desc\n");
+		return rc;
 	}
 
 	/* If the caller doesn't want to send packets */
diff --git a/drivers/net/ethernet/amazon/ena/ena_eth_com.h b/drivers/net/ethernet/amazon/ena/ena_eth_com.h
index 8b1afd3b32f2..b6592cb93b04 100644
--- a/drivers/net/ethernet/amazon/ena/ena_eth_com.h
+++ b/drivers/net/ethernet/amazon/ena/ena_eth_com.h
@@ -157,7 +157,8 @@ static inline bool ena_com_is_doorbell_needed(struct ena_com_io_sq *io_sq,
 	llq_info = &io_sq->llq_info;
 	num_descs = ena_tx_ctx->num_bufs;
 
-	if (unlikely(ena_com_meta_desc_changed(io_sq, ena_tx_ctx)))
+	if (llq_info->disable_meta_caching ||
+	    unlikely(ena_com_meta_desc_changed(io_sq, ena_tx_ctx)))
 		++num_descs;
 
 	if (num_descs > llq_info->descs_num_before_header) {
diff --git a/drivers/net/ethernet/amazon/ena/ena_ethtool.c b/drivers/net/ethernet/amazon/ena/ena_ethtool.c
index e340b65af08c..430275bc0d04 100644
--- a/drivers/net/ethernet/amazon/ena/ena_ethtool.c
+++ b/drivers/net/ethernet/amazon/ena/ena_ethtool.c
@@ -164,13 +164,13 @@ static void ena_queue_stats(struct ena_adapter *adapter, u64 **data)
 static void ena_dev_admin_queue_stats(struct ena_adapter *adapter, u64 **data)
 {
 	const struct ena_stats *ena_stats;
-	u32 *ptr;
+	u64 *ptr;
 	int i;
 
 	for (i = 0; i < ENA_STATS_ARRAY_ENA_COM; i++) {
 		ena_stats = &ena_stats_ena_com_strings[i];
 
-		ptr = (u32 *)((uintptr_t)&adapter->ena_dev->admin_queue.stats +
+		ptr = (u64 *)((uintptr_t)&adapter->ena_dev->admin_queue.stats +
 			(uintptr_t)ena_stats->stat_offset);
 
 		*(*data)++ = *ptr;
diff --git a/drivers/net/ethernet/amazon/ena/ena_netdev.c b/drivers/net/ethernet/amazon/ena/ena_netdev.c
index dda4b8fc9525..2a6c9725e092 100644
--- a/drivers/net/ethernet/amazon/ena/ena_netdev.c
+++ b/drivers/net/ethernet/amazon/ena/ena_netdev.c
@@ -307,7 +307,7 @@ static int ena_xdp_xmit_buff(struct net_device *dev,
 			     struct ena_rx_buffer *rx_info)
 {
 	struct ena_adapter *adapter = netdev_priv(dev);
-	struct ena_com_tx_ctx ena_tx_ctx = {0};
+	struct ena_com_tx_ctx ena_tx_ctx = {};
 	struct ena_tx_buffer *tx_info;
 	struct ena_ring *xdp_ring;
 	u16 next_to_use, req_id;
@@ -576,15 +576,9 @@ static int ena_xdp_set(struct net_device *netdev, struct netdev_bpf *bpf)
  */
 static int ena_xdp(struct net_device *netdev, struct netdev_bpf *bpf)
 {
-	struct ena_adapter *adapter = netdev_priv(netdev);
-
 	switch (bpf->command) {
 	case XDP_SETUP_PROG:
 		return ena_xdp_set(netdev, bpf);
-	case XDP_QUERY_PROG:
-		bpf->prog_id = adapter->xdp_bpf_prog ?
-			adapter->xdp_bpf_prog->aux->id : 0;
-		break;
 	default:
 		return -EINVAL;
 	}
@@ -655,6 +649,7 @@ static void ena_init_io_rings(struct ena_adapter *adapter,
 		txr->sgl_size = adapter->max_tx_sgl_size;
 		txr->smoothed_interval =
 			ena_com_get_nonadaptive_moderation_interval_tx(ena_dev);
+		txr->disable_meta_caching = adapter->disable_meta_caching;
 
 		/* Don't init RX queues for xdp queues */
 		if (!ENA_IS_XDP_INDEX(adapter, i)) {
@@ -959,8 +954,11 @@ static int ena_alloc_rx_page(struct ena_ring *rx_ring,
 		return -ENOMEM;
 	}
 
+	/* To enable NIC-side port-mirroring, AKA SPAN port,
+	 * we make the buffer readable from the nic as well
+	 */
 	dma = dma_map_page(rx_ring->dev, page, 0, ENA_PAGE_SIZE,
-			   DMA_FROM_DEVICE);
+			   DMA_BIDIRECTIONAL);
 	if (unlikely(dma_mapping_error(rx_ring->dev, dma))) {
 		u64_stats_update_begin(&rx_ring->syncp);
 		rx_ring->rx_stats.dma_mapping_err++;
@@ -993,10 +991,9 @@ static void ena_free_rx_page(struct ena_ring *rx_ring,
 		return;
 	}
 
-	dma_unmap_page(rx_ring->dev,
-		       ena_buf->paddr - rx_ring->rx_headroom,
+	dma_unmap_page(rx_ring->dev, ena_buf->paddr - rx_ring->rx_headroom,
 		       ENA_PAGE_SIZE,
-		       DMA_FROM_DEVICE);
+		       DMA_BIDIRECTIONAL);
 
 	__free_page(page);
 	rx_info->page = NULL;
@@ -1431,7 +1428,7 @@ static struct sk_buff *ena_rx_skb(struct ena_ring *rx_ring,
 	do {
 		dma_unmap_page(rx_ring->dev,
 			       dma_unmap_addr(&rx_info->ena_buf, paddr),
-			       ENA_PAGE_SIZE, DMA_FROM_DEVICE);
+			       ENA_PAGE_SIZE, DMA_BIDIRECTIONAL);
 
 		skb_add_rx_frag(skb, skb_shinfo(skb)->nr_frags, rx_info->page,
 				rx_info->page_offset, len, ENA_PAGE_SIZE);
@@ -1913,7 +1910,10 @@ static int ena_io_poll(struct napi_struct *napi, int budget)
 		/* Update numa and unmask the interrupt only when schedule
 		 * from the interrupt context (vs from sk_busy_loop)
 		 */
-		if (napi_complete_done(napi, rx_work_done)) {
+		if (napi_complete_done(napi, rx_work_done) &&
+		    READ_ONCE(ena_napi->interrupts_masked)) {
+			smp_rmb(); /* make sure interrupts_masked is read */
+			WRITE_ONCE(ena_napi->interrupts_masked, false);
 			/* We apply adaptive moderation on Rx path only.
 			 * Tx uses static interrupt moderation.
 			 */
@@ -1961,6 +1961,9 @@ static irqreturn_t ena_intr_msix_io(int irq, void *data)
 
 	ena_napi->first_interrupt = true;
 
+	WRITE_ONCE(ena_napi->interrupts_masked, true);
+	smp_wmb(); /* write interrupts_masked before calling napi */
+
 	napi_schedule_irqoff(&ena_napi->napi);
 
 	return IRQ_HANDLED;
@@ -2190,14 +2193,13 @@ static void ena_del_napi_in_range(struct ena_adapter *adapter,
 static void ena_init_napi_in_range(struct ena_adapter *adapter,
 				   int first_index, int count)
 {
-	struct ena_napi *napi = {0};
 	int i;
 
 	for (i = first_index; i < first_index + count; i++) {
-		napi = &adapter->ena_napi[i];
+		struct ena_napi *napi = &adapter->ena_napi[i];
 
 		netif_napi_add(adapter->netdev,
-			       &adapter->ena_napi[i].napi,
+			       &napi->napi,
 			       ENA_IS_XDP_INDEX(adapter, i) ? ena_xdp_io_poll : ena_io_poll,
 			       ENA_NAPI_BUDGET);
 
@@ -2776,7 +2778,9 @@ int ena_update_queue_count(struct ena_adapter *adapter, u32 new_channel_count)
 	return dev_was_up ? ena_open(adapter->netdev) : 0;
 }
 
-static void ena_tx_csum(struct ena_com_tx_ctx *ena_tx_ctx, struct sk_buff *skb)
+static void ena_tx_csum(struct ena_com_tx_ctx *ena_tx_ctx,
+			struct sk_buff *skb,
+			bool disable_meta_caching)
 {
 	u32 mss = skb_shinfo(skb)->gso_size;
 	struct ena_com_tx_meta *ena_meta = &ena_tx_ctx->ena_meta;
@@ -2820,7 +2824,9 @@ static void ena_tx_csum(struct ena_com_tx_ctx *ena_tx_ctx, struct sk_buff *skb)
 		ena_meta->l3_hdr_len = skb_network_header_len(skb);
 		ena_meta->l3_hdr_offset = skb_network_offset(skb);
 		ena_tx_ctx->meta_valid = 1;
-
+	} else if (disable_meta_caching) {
+		memset(ena_meta, 0, sizeof(*ena_meta));
+		ena_tx_ctx->meta_valid = 1;
 	} else {
 		ena_tx_ctx->meta_valid = 0;
 	}
@@ -3004,7 +3010,7 @@ static netdev_tx_t ena_start_xmit(struct sk_buff *skb, struct net_device *dev)
 	ena_tx_ctx.header_len = header_len;
 
 	/* set flags and meta data */
-	ena_tx_csum(&ena_tx_ctx, skb);
+	ena_tx_csum(&ena_tx_ctx, skb, tx_ring->disable_meta_caching);
 
 	rc = ena_xmit_common(dev,
 			     tx_ring,
@@ -3118,7 +3124,9 @@ static void ena_config_host_info(struct ena_com_dev *ena_dev, struct pci_dev *pd
 
 	host_info->driver_supported_features =
 		ENA_ADMIN_HOST_INFO_RX_OFFSET_MASK |
-		ENA_ADMIN_HOST_INFO_INTERRUPT_MODERATION_MASK;
+		ENA_ADMIN_HOST_INFO_INTERRUPT_MODERATION_MASK |
+		ENA_ADMIN_HOST_INFO_RX_BUF_MIRRORING_MASK |
+		ENA_ADMIN_HOST_INFO_RSS_CONFIGURABLE_FUNCTION_KEY_MASK;
 
 	rc = ena_com_set_host_attributes(ena_dev);
 	if (rc) {
@@ -3271,10 +3279,71 @@ static int ena_device_validate_params(struct ena_adapter *adapter,
 	return 0;
 }
 
+static void set_default_llq_configurations(struct ena_llq_configurations *llq_config)
+{
+	llq_config->llq_header_location = ENA_ADMIN_INLINE_HEADER;
+	llq_config->llq_stride_ctrl = ENA_ADMIN_MULTIPLE_DESCS_PER_ENTRY;
+	llq_config->llq_num_decs_before_header = ENA_ADMIN_LLQ_NUM_DESCS_BEFORE_HEADER_2;
+	llq_config->llq_ring_entry_size = ENA_ADMIN_LIST_ENTRY_SIZE_128B;
+	llq_config->llq_ring_entry_size_value = 128;
+}
+
+static int ena_set_queues_placement_policy(struct pci_dev *pdev,
+					   struct ena_com_dev *ena_dev,
+					   struct ena_admin_feature_llq_desc *llq,
+					   struct ena_llq_configurations *llq_default_configurations)
+{
+	int rc;
+	u32 llq_feature_mask;
+
+	llq_feature_mask = 1 << ENA_ADMIN_LLQ;
+	if (!(ena_dev->supported_features & llq_feature_mask)) {
+		dev_err(&pdev->dev,
+			"LLQ is not supported Fallback to host mode policy.\n");
+		ena_dev->tx_mem_queue_type = ENA_ADMIN_PLACEMENT_POLICY_HOST;
+		return 0;
+	}
+
+	rc = ena_com_config_dev_mode(ena_dev, llq, llq_default_configurations);
+	if (unlikely(rc)) {
+		dev_err(&pdev->dev,
+			"Failed to configure the device mode.  Fallback to host mode policy.\n");
+		ena_dev->tx_mem_queue_type = ENA_ADMIN_PLACEMENT_POLICY_HOST;
+	}
+
+	return 0;
+}
+
+static int ena_map_llq_mem_bar(struct pci_dev *pdev, struct ena_com_dev *ena_dev,
+			       int bars)
+{
+	bool has_mem_bar = !!(bars & BIT(ENA_MEM_BAR));
+
+	if (!has_mem_bar) {
+		if (ena_dev->tx_mem_queue_type == ENA_ADMIN_PLACEMENT_POLICY_DEV) {
+			dev_err(&pdev->dev,
+				"ENA device does not expose LLQ bar. Fallback to host mode policy.\n");
+			ena_dev->tx_mem_queue_type = ENA_ADMIN_PLACEMENT_POLICY_HOST;
+		}
+
+		return 0;
+	}
+
+	ena_dev->mem_bar = devm_ioremap_wc(&pdev->dev,
+					   pci_resource_start(pdev, ENA_MEM_BAR),
+					   pci_resource_len(pdev, ENA_MEM_BAR));
+
+	if (!ena_dev->mem_bar)
+		return -EFAULT;
+
+	return 0;
+}
+
 static int ena_device_init(struct ena_com_dev *ena_dev, struct pci_dev *pdev,
 			   struct ena_com_dev_get_features_ctx *get_feat_ctx,
 			   bool *wd_state)
 {
+	struct ena_llq_configurations llq_config;
 	struct device *dev = &pdev->dev;
 	bool readless_supported;
 	u32 aenq_groups;
@@ -3365,6 +3434,15 @@ static int ena_device_init(struct ena_com_dev *ena_dev, struct pci_dev *pdev,
 
 	*wd_state = !!(aenq_groups & BIT(ENA_ADMIN_KEEP_ALIVE));
 
+	set_default_llq_configurations(&llq_config);
+
+	rc = ena_set_queues_placement_policy(pdev, ena_dev, &get_feat_ctx->llq,
+					     &llq_config);
+	if (rc) {
+		dev_err(&pdev->dev, "ena device init failed\n");
+		goto err_admin_init;
+	}
+
 	return 0;
 
 err_admin_init:
@@ -3871,54 +3949,6 @@ static u32 ena_calc_max_io_queue_num(struct pci_dev *pdev,
 	return max_num_io_queues;
 }
 
-static int ena_set_queues_placement_policy(struct pci_dev *pdev,
-					   struct ena_com_dev *ena_dev,
-					   struct ena_admin_feature_llq_desc *llq,
-					   struct ena_llq_configurations *llq_default_configurations)
-{
-	bool has_mem_bar;
-	int rc;
-	u32 llq_feature_mask;
-
-	llq_feature_mask = 1 << ENA_ADMIN_LLQ;
-	if (!(ena_dev->supported_features & llq_feature_mask)) {
-		dev_err(&pdev->dev,
-			"LLQ is not supported Fallback to host mode policy.\n");
-		ena_dev->tx_mem_queue_type = ENA_ADMIN_PLACEMENT_POLICY_HOST;
-		return 0;
-	}
-
-	has_mem_bar = pci_select_bars(pdev, IORESOURCE_MEM) & BIT(ENA_MEM_BAR);
-
-	rc = ena_com_config_dev_mode(ena_dev, llq, llq_default_configurations);
-	if (unlikely(rc)) {
-		dev_err(&pdev->dev,
-			"Failed to configure the device mode.  Fallback to host mode policy.\n");
-		ena_dev->tx_mem_queue_type = ENA_ADMIN_PLACEMENT_POLICY_HOST;
-		return 0;
-	}
-
-	/* Nothing to config, exit */
-	if (ena_dev->tx_mem_queue_type == ENA_ADMIN_PLACEMENT_POLICY_HOST)
-		return 0;
-
-	if (!has_mem_bar) {
-		dev_err(&pdev->dev,
-			"ENA device does not expose LLQ bar. Fallback to host mode policy.\n");
-		ena_dev->tx_mem_queue_type = ENA_ADMIN_PLACEMENT_POLICY_HOST;
-		return 0;
-	}
-
-	ena_dev->mem_bar = devm_ioremap_wc(&pdev->dev,
-					   pci_resource_start(pdev, ENA_MEM_BAR),
-					   pci_resource_len(pdev, ENA_MEM_BAR));
-
-	if (!ena_dev->mem_bar)
-		return -EFAULT;
-
-	return 0;
-}
-
 static void ena_set_dev_offloads(struct ena_com_dev_get_features_ctx *feat,
 				 struct net_device *netdev)
 {
@@ -4034,14 +4064,6 @@ static void ena_release_bars(struct ena_com_dev *ena_dev, struct pci_dev *pdev)
 	pci_release_selected_regions(pdev, release_bars);
 }
 
-static void set_default_llq_configurations(struct ena_llq_configurations *llq_config)
-{
-	llq_config->llq_header_location = ENA_ADMIN_INLINE_HEADER;
-	llq_config->llq_ring_entry_size = ENA_ADMIN_LIST_ENTRY_SIZE_128B;
-	llq_config->llq_stride_ctrl = ENA_ADMIN_MULTIPLE_DESCS_PER_ENTRY;
-	llq_config->llq_num_decs_before_header = ENA_ADMIN_LLQ_NUM_DESCS_BEFORE_HEADER_2;
-	llq_config->llq_ring_entry_size_value = 128;
-}
 
 static int ena_calc_io_queue_size(struct ena_calc_queue_size_ctx *ctx)
 {
@@ -4123,7 +4145,6 @@ static int ena_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 {
 	struct ena_calc_queue_size_ctx calc_queue_ctx = { 0 };
 	struct ena_com_dev_get_features_ctx get_feat_ctx;
-	struct ena_llq_configurations llq_config;
 	struct ena_com_dev *ena_dev = NULL;
 	struct ena_adapter *adapter;
 	struct net_device *netdev;
@@ -4178,13 +4199,10 @@ static int ena_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 		goto err_free_region;
 	}
 
-	set_default_llq_configurations(&llq_config);
-
-	rc = ena_set_queues_placement_policy(pdev, ena_dev, &get_feat_ctx.llq,
-					     &llq_config);
+	rc = ena_map_llq_mem_bar(pdev, ena_dev, bars);
 	if (rc) {
-		dev_err(&pdev->dev, "ena device init failed\n");
-		goto err_device_destroy;
+		dev_err(&pdev->dev, "ena llq bar mapping failed\n");
+		goto err_free_ena_dev;
 	}
 
 	calc_queue_ctx.ena_dev = ena_dev;
@@ -4241,6 +4259,11 @@ static int ena_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 	adapter->xdp_num_queues = 0;
 
 	adapter->rx_copybreak = ENA_DEFAULT_RX_COPYBREAK;
+	if (ena_dev->tx_mem_queue_type == ENA_ADMIN_PLACEMENT_POLICY_DEV)
+		adapter->disable_meta_caching =
+			!!(get_feat_ctx.llq.accel_mode.u.get.supported_flags &
+			   BIT(ENA_ADMIN_DISABLE_META_CACHING));
+
 	adapter->wd_state = wd_state;
 
 	snprintf(adapter->name, ENA_NAME_MAX_LEN, "ena_%d", adapters_found);
@@ -4420,13 +4443,12 @@ static void ena_shutdown(struct pci_dev *pdev)
 	__ena_shutoff(pdev, true);
 }
 
-#ifdef CONFIG_PM
 /* ena_suspend - PM suspend callback
- * @pdev: PCI device information struct
- * @state:power state
+ * @dev_d: Device information struct
  */
-static int ena_suspend(struct pci_dev *pdev,  pm_message_t state)
+static int __maybe_unused ena_suspend(struct device *dev_d)
 {
+	struct pci_dev *pdev = to_pci_dev(dev_d);
 	struct ena_adapter *adapter = pci_get_drvdata(pdev);
 
 	u64_stats_update_begin(&adapter->syncp);
@@ -4445,12 +4467,11 @@ static int ena_suspend(struct pci_dev *pdev,  pm_message_t state)
 }
 
 /* ena_resume - PM resume callback
- * @pdev: PCI device information struct
- *
+ * @dev_d: Device information struct
  */
-static int ena_resume(struct pci_dev *pdev)
+static int __maybe_unused ena_resume(struct device *dev_d)
 {
-	struct ena_adapter *adapter = pci_get_drvdata(pdev);
+	struct ena_adapter *adapter = dev_get_drvdata(dev_d);
 	int rc;
 
 	u64_stats_update_begin(&adapter->syncp);
@@ -4462,7 +4483,8 @@ static int ena_resume(struct pci_dev *pdev)
 	rtnl_unlock();
 	return rc;
 }
-#endif
+
+static SIMPLE_DEV_PM_OPS(ena_pm_ops, ena_suspend, ena_resume);
 
 static struct pci_driver ena_pci_driver = {
 	.name		= DRV_MODULE_NAME,
@@ -4470,10 +4492,7 @@ static struct pci_driver ena_pci_driver = {
 	.probe		= ena_probe,
 	.remove		= ena_remove,
 	.shutdown	= ena_shutdown,
-#ifdef CONFIG_PM
-	.suspend    = ena_suspend,
-	.resume     = ena_resume,
-#endif
+	.driver.pm	= &ena_pm_ops,
 	.sriov_configure = pci_sriov_configure_simple,
 };
 
diff --git a/drivers/net/ethernet/amazon/ena/ena_netdev.h b/drivers/net/ethernet/amazon/ena/ena_netdev.h
index ba030d260940..0c8504006247 100644
--- a/drivers/net/ethernet/amazon/ena/ena_netdev.h
+++ b/drivers/net/ethernet/amazon/ena/ena_netdev.h
@@ -167,6 +167,7 @@ struct ena_napi {
 	struct ena_ring *rx_ring;
 	struct ena_ring *xdp_ring;
 	bool first_interrupt;
+	bool interrupts_masked;
 	u32 qid;
 	struct dim dim;
 };
@@ -297,6 +298,7 @@ struct ena_ring {
 	u8 tx_max_header_size;
 
 	bool first_interrupt;
+	bool disable_meta_caching;
 	u16 no_interrupt_event_cnt;
 
 	/* cpu for TPH */
@@ -398,6 +400,7 @@ struct ena_adapter {
 
 	bool wd_state;
 	bool dev_up_before_reset;
+	bool disable_meta_caching;
 	unsigned long last_keep_alive_jiffies;
 
 	struct u64_stats_sync syncp;
diff --git a/drivers/net/ethernet/amazon/ena/ena_pci_id_tbl.h b/drivers/net/ethernet/amazon/ena/ena_pci_id_tbl.h
index f80d2a47fa94..426e57e10a7f 100644
--- a/drivers/net/ethernet/amazon/ena/ena_pci_id_tbl.h
+++ b/drivers/net/ethernet/amazon/ena/ena_pci_id_tbl.h
@@ -53,10 +53,15 @@
 #define PCI_DEV_ID_ENA_LLQ_VF	0xec21
 #endif
 
+#ifndef PCI_DEV_ID_ENA_RESRV0
+#define PCI_DEV_ID_ENA_RESRV0	0x0051
+#endif
+
 #define ENA_PCI_ID_TABLE_ENTRY(devid) \
 	{PCI_DEVICE(PCI_VENDOR_ID_AMAZON, devid)},
 
 static const struct pci_device_id ena_pci_tbl[] = {
+	ENA_PCI_ID_TABLE_ENTRY(PCI_DEV_ID_ENA_RESRV0)
 	ENA_PCI_ID_TABLE_ENTRY(PCI_DEV_ID_ENA_PF)
 	ENA_PCI_ID_TABLE_ENTRY(PCI_DEV_ID_ENA_LLQ_PF)
 	ENA_PCI_ID_TABLE_ENTRY(PCI_DEV_ID_ENA_VF)