From 5b7c4cabbb65f5c469464da6c5f614cbd7f730f2 Mon Sep 17 00:00:00 2001 From: Linus Torvalds Date: Tue, 21 Feb 2023 18:24:12 -0800 Subject: Merge tag 'net-next-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next Pull networking updates from Jakub Kicinski: "Core: - Add dedicated kmem_cache for typical/small skb->head, avoid having to access struct page at kfree time, and improve memory use. - Introduce sysctl to set default RPS configuration for new netdevs. - Define Netlink protocol specification format which can be used to describe messages used by each family and auto-generate parsers. Add tools for generating kernel data structures and uAPI headers. - Expose all net/core sysctls inside netns. - Remove 4s sleep in netpoll if carrier is instantly detected on boot. - Add configurable limit of MDB entries per port, and port-vlan. - Continue populating drop reasons throughout the stack. - Retire a handful of legacy Qdiscs and classifiers. Protocols: - Support IPv4 big TCP (TSO frames larger than 64kB). - Add IP_LOCAL_PORT_RANGE socket option, to control local port range on socket by socket basis. - Track and report in procfs number of MPTCP sockets used. - Support mixing IPv4 and IPv6 flows in the in-kernel MPTCP path manager. - IPv6: don't check net.ipv6.route.max_size and rely on garbage collection to free memory (similarly to IPv4). - Support Penultimate Segment Pop (PSP) flavor in SRv6 (RFC8986). - ICMP: add per-rate limit counters. - Add support for user scanning requests in ieee802154. - Remove static WEP support. - Support minimal Wi-Fi 7 Extremely High Throughput (EHT) rate reporting. - WiFi 7 EHT channel puncturing support (client & AP). BPF: - Add a rbtree data structure following the "next-gen data structure" precedent set by recently added linked list, that is, by using kfunc + kptr instead of adding a new BPF map type. - Expose XDP hints via kfuncs with initial support for RX hash and timestamp metadata. - Add BPF_F_NO_TUNNEL_KEY extension to bpf_skb_set_tunnel_key to better support decap on GRE tunnel devices not operating in collect metadata. - Improve x86 JIT's codegen for PROBE_MEM runtime error checks. - Remove the need for trace_printk_lock for bpf_trace_printk and bpf_trace_vprintk helpers. - Extend libbpf's bpf_tracing.h support for tracing arguments of kprobes/uprobes and syscall as a special case. - Significantly reduce the search time for module symbols by livepatch and BPF. - Enable cpumasks to be used as kptrs, which is useful for tracing programs tracking which tasks end up running on which CPUs in different time intervals. - Add support for BPF trampoline on s390x and riscv64. - Add capability to export the XDP features supported by the NIC. - Add __bpf_kfunc tag for marking kernel functions as kfuncs. - Add cgroup.memory=nobpf kernel parameter option to disable BPF memory accounting for container environments. Netfilter: - Remove the CLUSTERIP target. It has been marked as obsolete for years, and we still have WARN splats wrt races of the out-of-band /proc interface installed by this target. - Add 'destroy' commands to nf_tables. They are identical to the existing 'delete' commands, but do not return an error if the referenced object (set, chain, rule...) did not exist. Driver API: - Improve cpumask_local_spread() locality to help NICs set the right IRQ affinity on AMD platforms. - Separate C22 and C45 MDIO bus transactions more clearly. - Introduce new DCB table to control DSCP rewrite on egress. - Support configuration of Physical Layer Collision Avoidance (PLCA) Reconciliation Sublayer (RS) (802.3cg-2019). Modern version of shared medium Ethernet. - Support for MAC Merge layer (IEEE 802.3-2018 clause 99). Allowing preemption of low priority frames by high priority frames. - Add support for controlling MACSec offload using netlink SET. - Rework devlink instance refcounts to allow registration and de-registration under the instance lock. Split the code into multiple files, drop some of the unnecessarily granular locks and factor out common parts of netlink operation handling. - Add TX frame aggregation parameters (for USB drivers). - Add a new attr TCA_EXT_WARN_MSG to report TC (offload) warning messages with notifications for debug. - Allow offloading of UDP NEW connections via act_ct. - Add support for per action HW stats in TC. - Support hardware miss to TC action (continue processing in SW from a specific point in the action chain). - Warn if old Wireless Extension user space interface is used with modern cfg80211/mac80211 drivers. Do not support Wireless Extensions for Wi-Fi 7 devices at all. Everyone should switch to using nl80211 interface instead. - Improve the CAN bit timing configuration. Use extack to return error messages directly to user space, update the SJW handling, including the definition of a new default value that will benefit CAN-FD controllers, by increasing their oscillator tolerance. New hardware / drivers: - Ethernet: - nVidia BlueField-3 support (control traffic driver) - Ethernet support for imx93 SoCs - Motorcomm yt8531 gigabit Ethernet PHY - onsemi NCN26000 10BASE-T1S PHY (with support for PLCA) - Microchip LAN8841 PHY (incl. cable diagnostics and PTP) - Amlogic gxl MDIO mux - WiFi: - RealTek RTL8188EU (rtl8xxxu) - Qualcomm Wi-Fi 7 devices (ath12k) - CAN: - Renesas R-Car V4H Drivers: - Bluetooth: - Set Per Platform Antenna Gain (PPAG) for Intel controllers. - Ethernet NICs: - Intel (1G, igc): - support TSN / Qbv / packet scheduling features of i226 model - Intel (100G, ice): - use GNSS subsystem instead of TTY - multi-buffer XDP support - extend support for GPIO pins to E823 devices - nVidia/Mellanox: - update the shared buffer configuration on PFC commands - implement PTP adjphase function for HW offset control - TC support for Geneve and GRE with VF tunnel offload - more efficient crypto key management method - multi-port eswitch support - Netronome/Corigine: - add DCB IEEE support - support IPsec offloading for NFP3800 - Freescale/NXP (enetc): - support XDP_REDIRECT for XDP non-linear buffers - improve reconfig, avoid link flap and waiting for idle - support MAC Merge layer - Other NICs: - sfc/ef100: add basic devlink support for ef100 - ionic: rx_push mode operation (writing descriptors via MMIO) - bnxt: use the auxiliary bus abstraction for RDMA - r8169: disable ASPM and reset bus in case of tx timeout - cpsw: support QSGMII mode for J721e CPSW9G - cpts: support pulse-per-second output - ngbe: add an mdio bus driver - usbnet: optimize usbnet_bh() by avoiding unnecessary queuing - r8152: handle devices with FW with NCM support - amd-xgbe: support 10Mbps, 2.5GbE speeds and rx-adaptation - virtio-net: support multi buffer XDP - virtio/vsock: replace virtio_vsock_pkt with sk_buff - tsnep: XDP support - Ethernet high-speed switches: - nVidia/Mellanox (mlxsw): - add support for latency TLV (in FW control messages) - Microchip (sparx5): - separate explicit and implicit traffic forwarding rules, make the implicit rules always active - add support for egress DSCP rewrite - IS0 VCAP support (Ingress Classification) - IS2 VCAP filters (protos, L3 addrs, L4 ports, flags, ToS etc.) - ES2 VCAP support (Egress Access Control) - support for Per-Stream Filtering and Policing (802.1Q, 8.6.5.1) - Ethernet embedded switches: - Marvell (mv88e6xxx): - add MAB (port auth) offload support - enable PTP receive for mv88e6390 - NXP (ocelot): - support MAC Merge layer - support for the the vsc7512 internal copper phys - Microchip: - lan9303: convert to PHYLINK - lan966x: support TC flower filter statistics - lan937x: PTP support for KSZ9563/KSZ8563 and LAN937x - lan937x: support Credit Based Shaper configuration - ksz9477: support Energy Efficient Ethernet - other: - qca8k: convert to regmap read/write API, use bulk operations - rswitch: Improve TX timestamp accuracy - Intel WiFi (iwlwifi): - EHT (Wi-Fi 7) rate reporting - STEP equalizer support: transfer some STEP (connection to radio on platforms with integrated wifi) related parameters from the BIOS to the firmware. - Qualcomm 802.11ax WiFi (ath11k): - IPQ5018 support - Fine Timing Measurement (FTM) responder role support - channel 177 support - MediaTek WiFi (mt76): - per-PHY LED support - mt7996: EHT (Wi-Fi 7) support - Wireless Ethernet Dispatch (WED) reset support - switch to using page pool allocator - RealTek WiFi (rtw89): - support new version of Bluetooth co-existance - Mobile: - rmnet: support TX aggregation" * tag 'net-next-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1872 commits) page_pool: add a comment explaining the fragment counter usage net: ethtool: fix __ethtool_dev_mm_supported() implementation ethtool: pse-pd: Fix double word in comments xsk: add linux/vmalloc.h to xsk.c sefltests: netdevsim: wait for devlink instance after netns removal selftest: fib_tests: Always cleanup before exit net/mlx5e: Align IPsec ASO result memory to be as required by hardware net/mlx5e: TC, Set CT miss to the specific ct action instance net/mlx5e: Rename CHAIN_TO_REG to MAPPED_OBJ_TO_REG net/mlx5: Refactor tc miss handling to a single function net/mlx5: Kconfig: Make tc offload depend on tc skb extension net/sched: flower: Support hardware miss to tc action net/sched: flower: Move filter handle initialization earlier net/sched: cls_api: Support hardware miss to tc action net/sched: Rename user cookie and act cookie sfc: fix builds without CONFIG_RTC_LIB sfc: clean up some inconsistent indentings net/mlx4_en: Introduce flexible array to silence overflow warning net: lan966x: Fix possible deadlock inside PTP net/ulp: Remove redundant ->clone() test in inet_clone_ulp(). ... --- drivers/net/ethernet/netronome/nfp/nfd3/xsk.c | 409 ++++++++++++++++++++++++++ 1 file changed, 409 insertions(+) create mode 100644 drivers/net/ethernet/netronome/nfp/nfd3/xsk.c (limited to 'drivers/net/ethernet/netronome/nfp/nfd3/xsk.c') diff --git a/drivers/net/ethernet/netronome/nfp/nfd3/xsk.c b/drivers/net/ethernet/netronome/nfp/nfd3/xsk.c new file mode 100644 index 000000000..5d9db8c2a --- /dev/null +++ b/drivers/net/ethernet/netronome/nfp/nfd3/xsk.c @@ -0,0 +1,409 @@ +// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +/* Copyright (C) 2018 Netronome Systems, Inc */ +/* Copyright (C) 2021 Corigine, Inc */ + +#include +#include + +#include "../nfp_app.h" +#include "../nfp_net.h" +#include "../nfp_net_dp.h" +#include "../nfp_net_xsk.h" +#include "nfd3.h" + +static bool +nfp_nfd3_xsk_tx_xdp(const struct nfp_net_dp *dp, struct nfp_net_r_vector *r_vec, + struct nfp_net_rx_ring *rx_ring, + struct nfp_net_tx_ring *tx_ring, + struct nfp_net_xsk_rx_buf *xrxbuf, unsigned int pkt_len, + int pkt_off) +{ + struct xsk_buff_pool *pool = r_vec->xsk_pool; + struct nfp_nfd3_tx_buf *txbuf; + struct nfp_nfd3_tx_desc *txd; + unsigned int wr_idx; + + if (nfp_net_tx_space(tx_ring) < 1) + return false; + + xsk_buff_raw_dma_sync_for_device(pool, xrxbuf->dma_addr + pkt_off, + pkt_len); + + wr_idx = D_IDX(tx_ring, tx_ring->wr_p); + + txbuf = &tx_ring->txbufs[wr_idx]; + txbuf->xdp = xrxbuf->xdp; + txbuf->real_len = pkt_len; + txbuf->is_xsk_tx = true; + + /* Build TX descriptor */ + txd = &tx_ring->txds[wr_idx]; + txd->offset_eop = NFD3_DESC_TX_EOP; + txd->dma_len = cpu_to_le16(pkt_len); + nfp_desc_set_dma_addr_40b(txd, xrxbuf->dma_addr + pkt_off); + txd->data_len = cpu_to_le16(pkt_len); + + txd->flags = 0; + txd->mss = 0; + txd->lso_hdrlen = 0; + + tx_ring->wr_ptr_add++; + tx_ring->wr_p++; + + return true; +} + +static void nfp_nfd3_xsk_rx_skb(struct nfp_net_rx_ring *rx_ring, + const struct nfp_net_rx_desc *rxd, + struct nfp_net_xsk_rx_buf *xrxbuf, + const struct nfp_meta_parsed *meta, + unsigned int pkt_len, + bool meta_xdp, + unsigned int *skbs_polled) +{ + struct nfp_net_r_vector *r_vec = rx_ring->r_vec; + struct nfp_net_dp *dp = &r_vec->nfp_net->dp; + struct net_device *netdev; + struct sk_buff *skb; + + if (likely(!meta->portid)) { + netdev = dp->netdev; + } else { + struct nfp_net *nn = netdev_priv(dp->netdev); + + netdev = nfp_app_dev_get(nn->app, meta->portid, NULL); + if (unlikely(!netdev)) { + nfp_net_xsk_rx_drop(r_vec, xrxbuf); + return; + } + nfp_repr_inc_rx_stats(netdev, pkt_len); + } + + skb = napi_alloc_skb(&r_vec->napi, pkt_len); + if (!skb) { + nfp_net_xsk_rx_drop(r_vec, xrxbuf); + return; + } + skb_put_data(skb, xrxbuf->xdp->data, pkt_len); + + skb->mark = meta->mark; + skb_set_hash(skb, meta->hash, meta->hash_type); + + skb_record_rx_queue(skb, rx_ring->idx); + skb->protocol = eth_type_trans(skb, netdev); + + nfp_nfd3_rx_csum(dp, r_vec, rxd, meta, skb); + + if (unlikely(!nfp_net_vlan_strip(skb, rxd, meta))) { + dev_kfree_skb_any(skb); + nfp_net_xsk_rx_drop(r_vec, xrxbuf); + return; + } + + if (meta_xdp) + skb_metadata_set(skb, + xrxbuf->xdp->data - xrxbuf->xdp->data_meta); + + napi_gro_receive(&rx_ring->r_vec->napi, skb); + + nfp_net_xsk_rx_free(xrxbuf); + + (*skbs_polled)++; +} + +static unsigned int +nfp_nfd3_xsk_rx(struct nfp_net_rx_ring *rx_ring, int budget, + unsigned int *skbs_polled) +{ + struct nfp_net_r_vector *r_vec = rx_ring->r_vec; + struct nfp_net_dp *dp = &r_vec->nfp_net->dp; + struct nfp_net_tx_ring *tx_ring; + struct bpf_prog *xdp_prog; + bool xdp_redir = false; + int pkts_polled = 0; + + xdp_prog = READ_ONCE(dp->xdp_prog); + tx_ring = r_vec->xdp_ring; + + while (pkts_polled < budget) { + unsigned int meta_len, data_len, pkt_len, pkt_off; + struct nfp_net_xsk_rx_buf *xrxbuf; + struct nfp_net_rx_desc *rxd; + struct nfp_meta_parsed meta; + int idx, act; + + idx = D_IDX(rx_ring, rx_ring->rd_p); + + rxd = &rx_ring->rxds[idx]; + if (!(rxd->rxd.meta_len_dd & PCIE_DESC_RX_DD)) + break; + + rx_ring->rd_p++; + pkts_polled++; + + xrxbuf = &rx_ring->xsk_rxbufs[idx]; + + /* If starved of buffers "drop" it and scream. */ + if (rx_ring->rd_p >= rx_ring->wr_p) { + nn_dp_warn(dp, "Starved of RX buffers\n"); + nfp_net_xsk_rx_drop(r_vec, xrxbuf); + break; + } + + /* Memory barrier to ensure that we won't do other reads + * before the DD bit. + */ + dma_rmb(); + + memset(&meta, 0, sizeof(meta)); + + /* Only supporting AF_XDP with dynamic metadata so buffer layout + * is always: + * + * --------------------------------------------------------- + * | off | metadata | packet | XXXX | + * --------------------------------------------------------- + */ + meta_len = rxd->rxd.meta_len_dd & PCIE_DESC_RX_META_LEN_MASK; + data_len = le16_to_cpu(rxd->rxd.data_len); + pkt_len = data_len - meta_len; + + if (unlikely(meta_len > NFP_NET_MAX_PREPEND)) { + nn_dp_warn(dp, "Oversized RX packet metadata %u\n", + meta_len); + nfp_net_xsk_rx_drop(r_vec, xrxbuf); + continue; + } + + /* Stats update. */ + u64_stats_update_begin(&r_vec->rx_sync); + r_vec->rx_pkts++; + r_vec->rx_bytes += pkt_len; + u64_stats_update_end(&r_vec->rx_sync); + + xrxbuf->xdp->data += meta_len; + xrxbuf->xdp->data_end = xrxbuf->xdp->data + pkt_len; + xdp_set_data_meta_invalid(xrxbuf->xdp); + xsk_buff_dma_sync_for_cpu(xrxbuf->xdp, r_vec->xsk_pool); + net_prefetch(xrxbuf->xdp->data); + + if (meta_len) { + if (unlikely(nfp_nfd3_parse_meta(dp->netdev, &meta, + xrxbuf->xdp->data - + meta_len, + xrxbuf->xdp->data, + pkt_len, meta_len))) { + nn_dp_warn(dp, "Invalid RX packet metadata\n"); + nfp_net_xsk_rx_drop(r_vec, xrxbuf); + continue; + } + + if (unlikely(meta.portid)) { + struct nfp_net *nn = netdev_priv(dp->netdev); + + if (meta.portid != NFP_META_PORT_ID_CTRL) { + nfp_nfd3_xsk_rx_skb(rx_ring, rxd, + xrxbuf, &meta, + pkt_len, false, + skbs_polled); + continue; + } + + nfp_app_ctrl_rx_raw(nn->app, xrxbuf->xdp->data, + pkt_len); + nfp_net_xsk_rx_free(xrxbuf); + continue; + } + } + + act = bpf_prog_run_xdp(xdp_prog, xrxbuf->xdp); + + pkt_len = xrxbuf->xdp->data_end - xrxbuf->xdp->data; + pkt_off = xrxbuf->xdp->data - xrxbuf->xdp->data_hard_start; + + switch (act) { + case XDP_PASS: + nfp_nfd3_xsk_rx_skb(rx_ring, rxd, xrxbuf, &meta, pkt_len, + true, skbs_polled); + break; + case XDP_TX: + if (!nfp_nfd3_xsk_tx_xdp(dp, r_vec, rx_ring, tx_ring, + xrxbuf, pkt_len, pkt_off)) + nfp_net_xsk_rx_drop(r_vec, xrxbuf); + else + nfp_net_xsk_rx_unstash(xrxbuf); + break; + case XDP_REDIRECT: + if (xdp_do_redirect(dp->netdev, xrxbuf->xdp, xdp_prog)) { + nfp_net_xsk_rx_drop(r_vec, xrxbuf); + } else { + nfp_net_xsk_rx_unstash(xrxbuf); + xdp_redir = true; + } + break; + default: + bpf_warn_invalid_xdp_action(dp->netdev, xdp_prog, act); + fallthrough; + case XDP_ABORTED: + trace_xdp_exception(dp->netdev, xdp_prog, act); + fallthrough; + case XDP_DROP: + nfp_net_xsk_rx_drop(r_vec, xrxbuf); + break; + } + } + + nfp_net_xsk_rx_ring_fill_freelist(r_vec->rx_ring); + + if (xdp_redir) + xdp_do_flush_map(); + + if (tx_ring->wr_ptr_add) + nfp_net_tx_xmit_more_flush(tx_ring); + + return pkts_polled; +} + +void nfp_nfd3_xsk_tx_free(struct nfp_nfd3_tx_buf *txbuf) +{ + xsk_buff_free(txbuf->xdp); + + txbuf->dma_addr = 0; + txbuf->xdp = NULL; +} + +static bool nfp_nfd3_xsk_complete(struct nfp_net_tx_ring *tx_ring) +{ + struct nfp_net_r_vector *r_vec = tx_ring->r_vec; + u32 done_pkts = 0, done_bytes = 0, reused = 0; + bool done_all; + int idx, todo; + u32 qcp_rd_p; + + if (tx_ring->wr_p == tx_ring->rd_p) + return true; + + /* Work out how many descriptors have been transmitted. */ + qcp_rd_p = nfp_qcp_rd_ptr_read(tx_ring->qcp_q); + + if (qcp_rd_p == tx_ring->qcp_rd_p) + return true; + + todo = D_IDX(tx_ring, qcp_rd_p - tx_ring->qcp_rd_p); + + done_all = todo <= NFP_NET_XDP_MAX_COMPLETE; + todo = min(todo, NFP_NET_XDP_MAX_COMPLETE); + + tx_ring->qcp_rd_p = D_IDX(tx_ring, tx_ring->qcp_rd_p + todo); + + done_pkts = todo; + while (todo--) { + struct nfp_nfd3_tx_buf *txbuf; + + idx = D_IDX(tx_ring, tx_ring->rd_p); + tx_ring->rd_p++; + + txbuf = &tx_ring->txbufs[idx]; + if (unlikely(!txbuf->real_len)) + continue; + + done_bytes += txbuf->real_len; + txbuf->real_len = 0; + + if (txbuf->is_xsk_tx) { + nfp_nfd3_xsk_tx_free(txbuf); + reused++; + } + } + + u64_stats_update_begin(&r_vec->tx_sync); + r_vec->tx_bytes += done_bytes; + r_vec->tx_pkts += done_pkts; + u64_stats_update_end(&r_vec->tx_sync); + + xsk_tx_completed(r_vec->xsk_pool, done_pkts - reused); + + WARN_ONCE(tx_ring->wr_p - tx_ring->rd_p > tx_ring->cnt, + "XDP TX ring corruption rd_p=%u wr_p=%u cnt=%u\n", + tx_ring->rd_p, tx_ring->wr_p, tx_ring->cnt); + + return done_all; +} + +static void nfp_nfd3_xsk_tx(struct nfp_net_tx_ring *tx_ring) +{ + struct nfp_net_r_vector *r_vec = tx_ring->r_vec; + struct xdp_desc desc[NFP_NET_XSK_TX_BATCH]; + struct xsk_buff_pool *xsk_pool; + struct nfp_nfd3_tx_desc *txd; + u32 pkts = 0, wr_idx; + u32 i, got; + + xsk_pool = r_vec->xsk_pool; + + while (nfp_net_tx_space(tx_ring) >= NFP_NET_XSK_TX_BATCH) { + for (i = 0; i < NFP_NET_XSK_TX_BATCH; i++) + if (!xsk_tx_peek_desc(xsk_pool, &desc[i])) + break; + got = i; + if (!got) + break; + + wr_idx = D_IDX(tx_ring, tx_ring->wr_p + i); + prefetchw(&tx_ring->txds[wr_idx]); + + for (i = 0; i < got; i++) + xsk_buff_raw_dma_sync_for_device(xsk_pool, desc[i].addr, + desc[i].len); + + for (i = 0; i < got; i++) { + wr_idx = D_IDX(tx_ring, tx_ring->wr_p + i); + + tx_ring->txbufs[wr_idx].real_len = desc[i].len; + tx_ring->txbufs[wr_idx].is_xsk_tx = false; + + /* Build TX descriptor. */ + txd = &tx_ring->txds[wr_idx]; + nfp_desc_set_dma_addr_40b(txd, + xsk_buff_raw_get_dma(xsk_pool, desc[i].addr)); + txd->offset_eop = NFD3_DESC_TX_EOP; + txd->dma_len = cpu_to_le16(desc[i].len); + txd->data_len = cpu_to_le16(desc[i].len); + } + + tx_ring->wr_p += got; + pkts += got; + } + + if (!pkts) + return; + + xsk_tx_release(xsk_pool); + /* Ensure all records are visible before incrementing write counter. */ + wmb(); + nfp_qcp_wr_ptr_add(tx_ring->qcp_q, pkts); +} + +int nfp_nfd3_xsk_poll(struct napi_struct *napi, int budget) +{ + struct nfp_net_r_vector *r_vec = + container_of(napi, struct nfp_net_r_vector, napi); + unsigned int pkts_polled, skbs = 0; + + pkts_polled = nfp_nfd3_xsk_rx(r_vec->rx_ring, budget, &skbs); + + if (pkts_polled < budget) { + if (r_vec->tx_ring) + nfp_nfd3_tx_complete(r_vec->tx_ring, budget); + + if (!nfp_nfd3_xsk_complete(r_vec->xdp_ring)) + pkts_polled = budget; + + nfp_nfd3_xsk_tx(r_vec->xdp_ring); + + if (pkts_polled < budget && napi_complete_done(napi, skbs)) + nfp_net_irq_unmask(r_vec->nfp_net, r_vec->irq_entry); + } + + return pkts_polled; +} -- cgit v1.2.3