1837f08fdSAnirudh Venkataramanan /* SPDX-License-Identifier: GPL-2.0 */ 2837f08fdSAnirudh Venkataramanan /* Copyright (c) 2018, Intel Corporation. */ 3837f08fdSAnirudh Venkataramanan 4837f08fdSAnirudh Venkataramanan #ifndef _ICE_H_ 5837f08fdSAnirudh Venkataramanan #define _ICE_H_ 6837f08fdSAnirudh Venkataramanan 7837f08fdSAnirudh Venkataramanan #include <linux/types.h> 8837f08fdSAnirudh Venkataramanan #include <linux/errno.h> 9837f08fdSAnirudh Venkataramanan #include <linux/kernel.h> 10837f08fdSAnirudh Venkataramanan #include <linux/module.h> 11462acf6aSTony Nguyen #include <linux/firmware.h> 12837f08fdSAnirudh Venkataramanan #include <linux/netdevice.h> 13837f08fdSAnirudh Venkataramanan #include <linux/compiler.h> 14dc49c772SAnirudh Venkataramanan #include <linux/etherdevice.h> 15cdedef59SAnirudh Venkataramanan #include <linux/skbuff.h> 163a858ba3SAnirudh Venkataramanan #include <linux/cpumask.h> 17fcea6f3dSAnirudh Venkataramanan #include <linux/rtnetlink.h> 183a858ba3SAnirudh Venkataramanan #include <linux/if_vlan.h> 19cdedef59SAnirudh Venkataramanan #include <linux/dma-mapping.h> 20837f08fdSAnirudh Venkataramanan #include <linux/pci.h> 21940b61afSAnirudh Venkataramanan #include <linux/workqueue.h> 22837f08fdSAnirudh Venkataramanan #include <linux/aer.h> 23940b61afSAnirudh Venkataramanan #include <linux/interrupt.h> 24fcea6f3dSAnirudh Venkataramanan #include <linux/ethtool.h> 25940b61afSAnirudh Venkataramanan #include <linux/timer.h> 267ec59eeaSAnirudh Venkataramanan #include <linux/delay.h> 27837f08fdSAnirudh Venkataramanan #include <linux/bitmap.h> 283a858ba3SAnirudh Venkataramanan #include <linux/log2.h> 29d76a60baSAnirudh Venkataramanan #include <linux/ip.h> 30cf909e19SAnirudh Venkataramanan #include <linux/sctp.h> 31d76a60baSAnirudh Venkataramanan #include <linux/ipv6.h> 32efc2214bSMaciej Fijalkowski #include <linux/pkt_sched.h> 33940b61afSAnirudh Venkataramanan #include <linux/if_bridge.h> 34e3710a01SPaul M Stillwell Jr #include <linux/ctype.h> 35efc2214bSMaciej Fijalkowski #include <linux/bpf.h> 36ddf30f7fSAnirudh Venkataramanan #include <linux/avf/virtchnl.h> 371adf7eadSJacob Keller #include <net/devlink.h> 38d76a60baSAnirudh Venkataramanan #include <net/ipv6.h> 392d4238f5SKrzysztof Kazimierczak #include <net/xdp_sock.h> 40a4e82a81STony Nguyen #include <net/geneve.h> 41a4e82a81STony Nguyen #include <net/gre.h> 42a4e82a81STony Nguyen #include <net/udp_tunnel.h> 43a4e82a81STony Nguyen #include <net/vxlan.h> 44837f08fdSAnirudh Venkataramanan #include "ice_devids.h" 45837f08fdSAnirudh Venkataramanan #include "ice_type.h" 46940b61afSAnirudh Venkataramanan #include "ice_txrx.h" 4737b6f646SAnirudh Venkataramanan #include "ice_dcb.h" 489c20346bSAnirudh Venkataramanan #include "ice_switch.h" 49f31e4b6fSAnirudh Venkataramanan #include "ice_common.h" 509c20346bSAnirudh Venkataramanan #include "ice_sched.h" 51ddf30f7fSAnirudh Venkataramanan #include "ice_virtchnl_pf.h" 52007676b4SAnirudh Venkataramanan #include "ice_sriov.h" 53148beb61SHenry Tieman #include "ice_fdir.h" 542d4238f5SKrzysztof Kazimierczak #include "ice_xsk.h" 55837f08fdSAnirudh Venkataramanan 56fcea6f3dSAnirudh Venkataramanan extern const char ice_drv_ver[]; 57837f08fdSAnirudh Venkataramanan #define ICE_BAR0 0 583a858ba3SAnirudh Venkataramanan #define ICE_REQ_DESC_MULTIPLE 32 598be92a76SPreethi Banala #define ICE_MIN_NUM_DESC 64 603b6bf296SBruce Allan #define ICE_MAX_NUM_DESC 8160 611aec6e1bSBrett Creeley #define ICE_DFLT_MIN_RX_DESC 512 62dd47e1fdSJesse Brandeburg #define ICE_DFLT_NUM_TX_DESC 256 63dd47e1fdSJesse Brandeburg #define ICE_DFLT_NUM_RX_DESC 2048 64ad71b256SBrett Creeley 655513b920SAnirudh Venkataramanan #define ICE_DFLT_TRAFFIC_CLASS BIT(0) 66940b61afSAnirudh Venkataramanan #define ICE_INT_NAME_STR_LEN (IFNAMSIZ + 16) 67f31e4b6fSAnirudh Venkataramanan #define ICE_AQ_LEN 64 6811836214SBrett Creeley #define ICE_MBXSQ_LEN 64 69940b61afSAnirudh Venkataramanan #define ICE_MIN_MSIX 2 70148beb61SHenry Tieman #define ICE_FDIR_MSIX 1 713a858ba3SAnirudh Venkataramanan #define ICE_NO_VSI 0xffff 723a858ba3SAnirudh Venkataramanan #define ICE_VSI_MAP_CONTIG 0 733a858ba3SAnirudh Venkataramanan #define ICE_VSI_MAP_SCATTER 1 743a858ba3SAnirudh Venkataramanan #define ICE_MAX_SCATTER_TXQS 16 753a858ba3SAnirudh Venkataramanan #define ICE_MAX_SCATTER_RXQS 16 76cdedef59SAnirudh Venkataramanan #define ICE_Q_WAIT_RETRY_LIMIT 10 77cdedef59SAnirudh Venkataramanan #define ICE_Q_WAIT_MAX_RETRY (5 * ICE_Q_WAIT_RETRY_LIMIT) 78d76a60baSAnirudh Venkataramanan #define ICE_MAX_LG_RSS_QS 256 79940b61afSAnirudh Venkataramanan #define ICE_RES_VALID_BIT 0x8000 80940b61afSAnirudh Venkataramanan #define ICE_RES_MISC_VEC_ID (ICE_RES_VALID_BIT - 1) 813a858ba3SAnirudh Venkataramanan #define ICE_INVAL_Q_INDEX 0xffff 820f9d5027SAnirudh Venkataramanan #define ICE_INVAL_VFID 256 83837f08fdSAnirudh Venkataramanan 84afd9d4abSAnirudh Venkataramanan #define ICE_MAX_RESET_WAIT 20 85afd9d4abSAnirudh Venkataramanan 86fcea6f3dSAnirudh Venkataramanan #define ICE_VSIQF_HKEY_ARRAY_SIZE ((VSIQF_HKEY_MAX_INDEX + 1) * 4) 87fcea6f3dSAnirudh Venkataramanan 88837f08fdSAnirudh Venkataramanan #define ICE_DFLT_NETIF_M (NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_LINK) 89837f08fdSAnirudh Venkataramanan 90efc2214bSMaciej Fijalkowski #define ICE_MAX_MTU (ICE_AQ_SET_MAC_FRAME_SIZE_MAX - ICE_ETH_PKT_HDR_PAD) 913a858ba3SAnirudh Venkataramanan 923a858ba3SAnirudh Venkataramanan #define ICE_UP_TABLE_TRANSLATE(val, i) \ 933a858ba3SAnirudh Venkataramanan (((val) << ICE_AQ_VSI_UP_TABLE_UP##i##_S) & \ 943a858ba3SAnirudh Venkataramanan ICE_AQ_VSI_UP_TABLE_UP##i##_M) 953a858ba3SAnirudh Venkataramanan 962b245cb2SAnirudh Venkataramanan #define ICE_TX_DESC(R, i) (&(((struct ice_tx_desc *)((R)->desc))[i])) 97cdedef59SAnirudh Venkataramanan #define ICE_RX_DESC(R, i) (&(((union ice_32b_rx_flex_desc *)((R)->desc))[i])) 98d76a60baSAnirudh Venkataramanan #define ICE_TX_CTX_DESC(R, i) (&(((struct ice_tx_ctx_desc *)((R)->desc))[i])) 99*cac2a27cSHenry Tieman #define ICE_TX_FDIRDESC(R, i) (&(((struct ice_fltr_desc *)((R)->desc))[i])) 100cdedef59SAnirudh Venkataramanan 1010b28b702SAnirudh Venkataramanan /* Macro for each VSI in a PF */ 1020b28b702SAnirudh Venkataramanan #define ice_for_each_vsi(pf, i) \ 1030b28b702SAnirudh Venkataramanan for ((i) = 0; (i) < (pf)->num_alloc_vsi; (i)++) 1040b28b702SAnirudh Venkataramanan 105d337f2afSAnirudh Venkataramanan /* Macros for each Tx/Rx ring in a VSI */ 106cdedef59SAnirudh Venkataramanan #define ice_for_each_txq(vsi, i) \ 107cdedef59SAnirudh Venkataramanan for ((i) = 0; (i) < (vsi)->num_txq; (i)++) 108cdedef59SAnirudh Venkataramanan 109cdedef59SAnirudh Venkataramanan #define ice_for_each_rxq(vsi, i) \ 110cdedef59SAnirudh Venkataramanan for ((i) = 0; (i) < (vsi)->num_rxq; (i)++) 111cdedef59SAnirudh Venkataramanan 112d337f2afSAnirudh Venkataramanan /* Macros for each allocated Tx/Rx ring whether used or not in a VSI */ 113f8ba7db8SJacob Keller #define ice_for_each_alloc_txq(vsi, i) \ 114f8ba7db8SJacob Keller for ((i) = 0; (i) < (vsi)->alloc_txq; (i)++) 115f8ba7db8SJacob Keller 116f8ba7db8SJacob Keller #define ice_for_each_alloc_rxq(vsi, i) \ 117f8ba7db8SJacob Keller for ((i) = 0; (i) < (vsi)->alloc_rxq; (i)++) 118f8ba7db8SJacob Keller 11967fe64d7SBrett Creeley #define ice_for_each_q_vector(vsi, i) \ 12067fe64d7SBrett Creeley for ((i) = 0; (i) < (vsi)->num_q_vectors; (i)++) 12167fe64d7SBrett Creeley 1225eda8afdSAkeem G Abodunrin #define ICE_UCAST_PROMISC_BITS (ICE_PROMISC_UCAST_TX | ICE_PROMISC_MCAST_TX | \ 1235eda8afdSAkeem G Abodunrin ICE_PROMISC_UCAST_RX | ICE_PROMISC_MCAST_RX) 1245eda8afdSAkeem G Abodunrin 1255eda8afdSAkeem G Abodunrin #define ICE_UCAST_VLAN_PROMISC_BITS (ICE_PROMISC_UCAST_TX | \ 1265eda8afdSAkeem G Abodunrin ICE_PROMISC_MCAST_TX | \ 1275eda8afdSAkeem G Abodunrin ICE_PROMISC_UCAST_RX | \ 1285eda8afdSAkeem G Abodunrin ICE_PROMISC_MCAST_RX | \ 1295eda8afdSAkeem G Abodunrin ICE_PROMISC_VLAN_TX | \ 1305eda8afdSAkeem G Abodunrin ICE_PROMISC_VLAN_RX) 1315eda8afdSAkeem G Abodunrin 1325eda8afdSAkeem G Abodunrin #define ICE_MCAST_PROMISC_BITS (ICE_PROMISC_MCAST_TX | ICE_PROMISC_MCAST_RX) 1335eda8afdSAkeem G Abodunrin 1345eda8afdSAkeem G Abodunrin #define ICE_MCAST_VLAN_PROMISC_BITS (ICE_PROMISC_MCAST_TX | \ 1355eda8afdSAkeem G Abodunrin ICE_PROMISC_MCAST_RX | \ 1365eda8afdSAkeem G Abodunrin ICE_PROMISC_VLAN_TX | \ 1375eda8afdSAkeem G Abodunrin ICE_PROMISC_VLAN_RX) 1385eda8afdSAkeem G Abodunrin 1394015d11eSBrett Creeley #define ice_pf_to_dev(pf) (&((pf)->pdev->dev)) 1404015d11eSBrett Creeley 141eff380aaSAnirudh Venkataramanan struct ice_txq_meta { 142eff380aaSAnirudh Venkataramanan u32 q_teid; /* Tx-scheduler element identifier */ 143eff380aaSAnirudh Venkataramanan u16 q_id; /* Entry in VSI's txq_map bitmap */ 144eff380aaSAnirudh Venkataramanan u16 q_handle; /* Relative index of Tx queue within TC */ 145eff380aaSAnirudh Venkataramanan u16 vsi_idx; /* VSI index that Tx queue belongs to */ 146eff380aaSAnirudh Venkataramanan u8 tc; /* TC number that Tx queue belongs to */ 147eff380aaSAnirudh Venkataramanan }; 148eff380aaSAnirudh Venkataramanan 1493a858ba3SAnirudh Venkataramanan struct ice_tc_info { 1503a858ba3SAnirudh Venkataramanan u16 qoffset; 151c5a2a4a3SUsha Ketineni u16 qcount_tx; 152c5a2a4a3SUsha Ketineni u16 qcount_rx; 153c5a2a4a3SUsha Ketineni u8 netdev_tc; 1543a858ba3SAnirudh Venkataramanan }; 1553a858ba3SAnirudh Venkataramanan 1563a858ba3SAnirudh Venkataramanan struct ice_tc_cfg { 1573a858ba3SAnirudh Venkataramanan u8 numtc; /* Total number of enabled TCs */ 158f9867df6SAnirudh Venkataramanan u8 ena_tc; /* Tx map */ 1593a858ba3SAnirudh Venkataramanan struct ice_tc_info tc_info[ICE_MAX_TRAFFIC_CLASS]; 1603a858ba3SAnirudh Venkataramanan }; 1613a858ba3SAnirudh Venkataramanan 162940b61afSAnirudh Venkataramanan struct ice_res_tracker { 163940b61afSAnirudh Venkataramanan u16 num_entries; 164cbe66bfeSBrett Creeley u16 end; 165940b61afSAnirudh Venkataramanan u16 list[1]; 166940b61afSAnirudh Venkataramanan }; 167940b61afSAnirudh Venkataramanan 16803f7a986SAnirudh Venkataramanan struct ice_qs_cfg { 16994c4441bSAnirudh Venkataramanan struct mutex *qs_mutex; /* will be assigned to &pf->avail_q_mutex */ 17003f7a986SAnirudh Venkataramanan unsigned long *pf_map; 17103f7a986SAnirudh Venkataramanan unsigned long pf_map_size; 17203f7a986SAnirudh Venkataramanan unsigned int q_count; 17303f7a986SAnirudh Venkataramanan unsigned int scatter_count; 17403f7a986SAnirudh Venkataramanan u16 *vsi_map; 17503f7a986SAnirudh Venkataramanan u16 vsi_map_offset; 17603f7a986SAnirudh Venkataramanan u8 mapping_mode; 17703f7a986SAnirudh Venkataramanan }; 17803f7a986SAnirudh Venkataramanan 179940b61afSAnirudh Venkataramanan struct ice_sw { 180940b61afSAnirudh Venkataramanan struct ice_pf *pf; 181940b61afSAnirudh Venkataramanan u16 sw_id; /* switch ID for this switch */ 182940b61afSAnirudh Venkataramanan u16 bridge_mode; /* VEB/VEPA/Port Virtualizer */ 183fc0f39bcSBrett Creeley struct ice_vsi *dflt_vsi; /* default VSI for this switch */ 184fc0f39bcSBrett Creeley u8 dflt_vsi_ena:1; /* true if above dflt_vsi is enabled */ 185940b61afSAnirudh Venkataramanan }; 186940b61afSAnirudh Venkataramanan 187837f08fdSAnirudh Venkataramanan enum ice_state { 1880e674aebSAnirudh Venkataramanan __ICE_TESTING, 189837f08fdSAnirudh Venkataramanan __ICE_DOWN, 1900b28b702SAnirudh Venkataramanan __ICE_NEEDS_RESTART, 1910f9d5027SAnirudh Venkataramanan __ICE_PREPARED_FOR_RESET, /* set by driver when prepared */ 1925df7e45dSDave Ertman __ICE_RESET_OICR_RECV, /* set by driver after rcv reset OICR */ 193b94b013eSDave Ertman __ICE_DCBNL_DEVRESET, /* set by dcbnl devreset */ 194940b61afSAnirudh Venkataramanan __ICE_PFR_REQ, /* set by driver and peers */ 1950b28b702SAnirudh Venkataramanan __ICE_CORER_REQ, /* set by driver and peers */ 1960b28b702SAnirudh Venkataramanan __ICE_GLOBR_REQ, /* set by driver and peers */ 1970b28b702SAnirudh Venkataramanan __ICE_CORER_RECV, /* set by OICR handler */ 1980b28b702SAnirudh Venkataramanan __ICE_GLOBR_RECV, /* set by OICR handler */ 1990b28b702SAnirudh Venkataramanan __ICE_EMPR_RECV, /* set by OICR handler */ 2000b28b702SAnirudh Venkataramanan __ICE_SUSPENDED, /* set on module remove path */ 2010b28b702SAnirudh Venkataramanan __ICE_RESET_FAILED, /* set by reset/rebuild */ 202ddf30f7fSAnirudh Venkataramanan /* When checking for the PF to be in a nominal operating state, the 203ddf30f7fSAnirudh Venkataramanan * bits that are grouped at the beginning of the list need to be 204ddf30f7fSAnirudh Venkataramanan * checked. Bits occurring before __ICE_STATE_NOMINAL_CHECK_BITS will 205ddf30f7fSAnirudh Venkataramanan * be checked. If you need to add a bit into consideration for nominal 206ddf30f7fSAnirudh Venkataramanan * operating state, it must be added before 207ddf30f7fSAnirudh Venkataramanan * __ICE_STATE_NOMINAL_CHECK_BITS. Do not move this entry's position 208ddf30f7fSAnirudh Venkataramanan * without appropriate consideration. 209ddf30f7fSAnirudh Venkataramanan */ 210ddf30f7fSAnirudh Venkataramanan __ICE_STATE_NOMINAL_CHECK_BITS, 211940b61afSAnirudh Venkataramanan __ICE_ADMINQ_EVENT_PENDING, 21275d2b253SAnirudh Venkataramanan __ICE_MAILBOXQ_EVENT_PENDING, 213b3969fd7SSudheer Mogilappagari __ICE_MDD_EVENT_PENDING, 214007676b4SAnirudh Venkataramanan __ICE_VFLR_EVENT_PENDING, 215e94d4478SAnirudh Venkataramanan __ICE_FLTR_OVERFLOW_PROMISC, 216ddf30f7fSAnirudh Venkataramanan __ICE_VF_DIS, 217fcea6f3dSAnirudh Venkataramanan __ICE_CFG_BUSY, 218940b61afSAnirudh Venkataramanan __ICE_SERVICE_SCHED, 2198d81fa55SAkeem G Abodunrin __ICE_SERVICE_DIS, 220*cac2a27cSHenry Tieman __ICE_FD_FLUSH_REQ, 221d82dd83dSAkeem G Abodunrin __ICE_OICR_INTR_DIS, /* Global OICR interrupt disabled */ 2229d5c5a52SPaul Greenwalt __ICE_MDD_VF_PRINT_PENDING, /* set when MDD event handle */ 223f844d521SBrett Creeley __ICE_VF_RESETS_DISABLED, /* disable resets during ice_remove */ 224837f08fdSAnirudh Venkataramanan __ICE_STATE_NBITS /* must be last */ 225837f08fdSAnirudh Venkataramanan }; 226837f08fdSAnirudh Venkataramanan 227e94d4478SAnirudh Venkataramanan enum ice_vsi_flags { 228e94d4478SAnirudh Venkataramanan ICE_VSI_FLAG_UMAC_FLTR_CHANGED, 229e94d4478SAnirudh Venkataramanan ICE_VSI_FLAG_MMAC_FLTR_CHANGED, 230e94d4478SAnirudh Venkataramanan ICE_VSI_FLAG_VLAN_FLTR_CHANGED, 231e94d4478SAnirudh Venkataramanan ICE_VSI_FLAG_PROMISC_CHANGED, 232e94d4478SAnirudh Venkataramanan ICE_VSI_FLAG_NBITS /* must be last */ 233e94d4478SAnirudh Venkataramanan }; 234e94d4478SAnirudh Venkataramanan 235940b61afSAnirudh Venkataramanan /* struct that defines a VSI, associated with a dev */ 236940b61afSAnirudh Venkataramanan struct ice_vsi { 237940b61afSAnirudh Venkataramanan struct net_device *netdev; 2383a858ba3SAnirudh Venkataramanan struct ice_sw *vsw; /* switch this VSI is on */ 2393a858ba3SAnirudh Venkataramanan struct ice_pf *back; /* back pointer to PF */ 240940b61afSAnirudh Venkataramanan struct ice_port_info *port_info; /* back pointer to port_info */ 241d337f2afSAnirudh Venkataramanan struct ice_ring **rx_rings; /* Rx ring array */ 242d337f2afSAnirudh Venkataramanan struct ice_ring **tx_rings; /* Tx ring array */ 2433a858ba3SAnirudh Venkataramanan struct ice_q_vector **q_vectors; /* q_vector array */ 244cdedef59SAnirudh Venkataramanan 245cdedef59SAnirudh Venkataramanan irqreturn_t (*irq_handler)(int irq, void *data); 246cdedef59SAnirudh Venkataramanan 247fcea6f3dSAnirudh Venkataramanan u64 tx_linearize; 2483a858ba3SAnirudh Venkataramanan DECLARE_BITMAP(state, __ICE_STATE_NBITS); 249e94d4478SAnirudh Venkataramanan DECLARE_BITMAP(flags, ICE_VSI_FLAG_NBITS); 250e94d4478SAnirudh Venkataramanan unsigned int current_netdev_flags; 251fcea6f3dSAnirudh Venkataramanan u32 tx_restart; 252fcea6f3dSAnirudh Venkataramanan u32 tx_busy; 253fcea6f3dSAnirudh Venkataramanan u32 rx_buf_failed; 254fcea6f3dSAnirudh Venkataramanan u32 rx_page_failed; 25588865fc4SKarol Kolacinski u16 num_q_vectors; 25688865fc4SKarol Kolacinski u16 base_vector; /* IRQ base for OS reserved vectors */ 2573a858ba3SAnirudh Venkataramanan enum ice_vsi_type type; 258940b61afSAnirudh Venkataramanan u16 vsi_num; /* HW (absolute) index of this VSI */ 2593a858ba3SAnirudh Venkataramanan u16 idx; /* software index in pf->vsi[] */ 2603a858ba3SAnirudh Venkataramanan 2618ede0178SAnirudh Venkataramanan s16 vf_id; /* VF ID for SR-IOV VSIs */ 2628ede0178SAnirudh Venkataramanan 263d95276ceSAkeem G Abodunrin u16 ethtype; /* Ethernet protocol for pause frame */ 264148beb61SHenry Tieman u16 num_gfltr; 265148beb61SHenry Tieman u16 num_bfltr; 266d95276ceSAkeem G Abodunrin 267d76a60baSAnirudh Venkataramanan /* RSS config */ 268d76a60baSAnirudh Venkataramanan u16 rss_table_size; /* HW RSS table size */ 269d76a60baSAnirudh Venkataramanan u16 rss_size; /* Allocated RSS queues */ 270d76a60baSAnirudh Venkataramanan u8 *rss_hkey_user; /* User configured hash keys */ 271d76a60baSAnirudh Venkataramanan u8 *rss_lut_user; /* User configured lookup table entries */ 272d76a60baSAnirudh Venkataramanan u8 rss_lut_type; /* used to configure Get/Set RSS LUT AQ call */ 273d76a60baSAnirudh Venkataramanan 274cdedef59SAnirudh Venkataramanan u16 max_frame; 275cdedef59SAnirudh Venkataramanan u16 rx_buf_len; 276cdedef59SAnirudh Venkataramanan 2773a858ba3SAnirudh Venkataramanan struct ice_aqc_vsi_props info; /* VSI properties */ 2783a858ba3SAnirudh Venkataramanan 279fcea6f3dSAnirudh Venkataramanan /* VSI stats */ 280fcea6f3dSAnirudh Venkataramanan struct rtnl_link_stats64 net_stats; 281fcea6f3dSAnirudh Venkataramanan struct ice_eth_stats eth_stats; 282fcea6f3dSAnirudh Venkataramanan struct ice_eth_stats eth_stats_prev; 283fcea6f3dSAnirudh Venkataramanan 284e94d4478SAnirudh Venkataramanan struct list_head tmp_sync_list; /* MAC filters to be synced */ 285e94d4478SAnirudh Venkataramanan struct list_head tmp_unsync_list; /* MAC filters to be unsynced */ 286e94d4478SAnirudh Venkataramanan 2870ab54c5fSJesse Brandeburg u8 irqs_ready:1; 2880ab54c5fSJesse Brandeburg u8 current_isup:1; /* Sync 'link up' logging */ 2890ab54c5fSJesse Brandeburg u8 stat_offsets_loaded:1; 2900ab54c5fSJesse Brandeburg u8 vlan_ena:1; 291cd6d6b83SBrett Creeley u16 num_vlan; 292cdedef59SAnirudh Venkataramanan 2933a858ba3SAnirudh Venkataramanan /* queue information */ 2943a858ba3SAnirudh Venkataramanan u8 tx_mapping_mode; /* ICE_MAP_MODE_[CONTIG|SCATTER] */ 2953a858ba3SAnirudh Venkataramanan u8 rx_mapping_mode; /* ICE_MAP_MODE_[CONTIG|SCATTER] */ 29678b5713aSAnirudh Venkataramanan u16 *txq_map; /* index in pf->avail_txqs */ 29778b5713aSAnirudh Venkataramanan u16 *rxq_map; /* index in pf->avail_rxqs */ 2983a858ba3SAnirudh Venkataramanan u16 alloc_txq; /* Allocated Tx queues */ 2993a858ba3SAnirudh Venkataramanan u16 num_txq; /* Used Tx queues */ 3003a858ba3SAnirudh Venkataramanan u16 alloc_rxq; /* Allocated Rx queues */ 3013a858ba3SAnirudh Venkataramanan u16 num_rxq; /* Used Rx queues */ 30287324e74SHenry Tieman u16 req_txq; /* User requested Tx queues */ 30387324e74SHenry Tieman u16 req_rxq; /* User requested Rx queues */ 304ad71b256SBrett Creeley u16 num_rx_desc; 305ad71b256SBrett Creeley u16 num_tx_desc; 3063a858ba3SAnirudh Venkataramanan struct ice_tc_cfg tc_cfg; 307efc2214bSMaciej Fijalkowski struct bpf_prog *xdp_prog; 308efc2214bSMaciej Fijalkowski struct ice_ring **xdp_rings; /* XDP ring array */ 309efc2214bSMaciej Fijalkowski u16 num_xdp_txq; /* Used XDP queues */ 310efc2214bSMaciej Fijalkowski u8 xdp_mapping_mode; /* ICE_MAP_MODE_[CONTIG|SCATTER] */ 3112d4238f5SKrzysztof Kazimierczak struct xdp_umem **xsk_umems; 3122d4238f5SKrzysztof Kazimierczak u16 num_xsk_umems_used; 3132d4238f5SKrzysztof Kazimierczak u16 num_xsk_umems; 3143a858ba3SAnirudh Venkataramanan } ____cacheline_internodealigned_in_smp; 3153a858ba3SAnirudh Venkataramanan 3163a858ba3SAnirudh Venkataramanan /* struct that defines an interrupt vector */ 3173a858ba3SAnirudh Venkataramanan struct ice_q_vector { 3183a858ba3SAnirudh Venkataramanan struct ice_vsi *vsi; 3198244dd2dSBrett Creeley 3203a858ba3SAnirudh Venkataramanan u16 v_idx; /* index in the vsi->q_vector array. */ 321b07833a0SBrett Creeley u16 reg_idx; 322d337f2afSAnirudh Venkataramanan u8 num_ring_rx; /* total number of Rx rings in vector */ 3238244dd2dSBrett Creeley u8 num_ring_tx; /* total number of Tx rings in vector */ 3248244dd2dSBrett Creeley u8 itr_countdown; /* when 0 should adjust adaptive ITR */ 3259e4ab4c2SBrett Creeley /* in usecs, need to use ice_intrl_to_usecs_reg() before writing this 3269e4ab4c2SBrett Creeley * value to the device 3279e4ab4c2SBrett Creeley */ 3289e4ab4c2SBrett Creeley u8 intrl; 3298244dd2dSBrett Creeley 3308244dd2dSBrett Creeley struct napi_struct napi; 3318244dd2dSBrett Creeley 3328244dd2dSBrett Creeley struct ice_ring_container rx; 3338244dd2dSBrett Creeley struct ice_ring_container tx; 3348244dd2dSBrett Creeley 3358244dd2dSBrett Creeley cpumask_t affinity_mask; 3368244dd2dSBrett Creeley struct irq_affinity_notify affinity_notify; 3378244dd2dSBrett Creeley 3388244dd2dSBrett Creeley char name[ICE_INT_NAME_STR_LEN]; 339940b61afSAnirudh Venkataramanan } ____cacheline_internodealigned_in_smp; 340940b61afSAnirudh Venkataramanan 341940b61afSAnirudh Venkataramanan enum ice_pf_flags { 342940b61afSAnirudh Venkataramanan ICE_FLAG_FLTR_SYNC, 343940b61afSAnirudh Venkataramanan ICE_FLAG_RSS_ENA, 344ddf30f7fSAnirudh Venkataramanan ICE_FLAG_SRIOV_ENA, 34575d2b253SAnirudh Venkataramanan ICE_FLAG_SRIOV_CAPABLE, 34637b6f646SAnirudh Venkataramanan ICE_FLAG_DCB_CAPABLE, 34737b6f646SAnirudh Venkataramanan ICE_FLAG_DCB_ENA, 348148beb61SHenry Tieman ICE_FLAG_FD_ENA, 349462acf6aSTony Nguyen ICE_FLAG_ADV_FEATURES, 350ab4ab73fSBruce Allan ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA, 3516d599946STony Nguyen ICE_FLAG_NO_MEDIA, 35284a118abSDave Ertman ICE_FLAG_FW_LLDP_AGENT, 3533a257a14SAnirudh Venkataramanan ICE_FLAG_ETHTOOL_CTXT, /* set when ethtool holds RTNL lock */ 3547237f5b0SMaciej Fijalkowski ICE_FLAG_LEGACY_RX, 35501b5e89aSBrett Creeley ICE_FLAG_VF_TRUE_PROMISC_ENA, 3569d5c5a52SPaul Greenwalt ICE_FLAG_MDD_AUTO_RESET_VF, 357940b61afSAnirudh Venkataramanan ICE_PF_FLAGS_NBITS /* must be last */ 358940b61afSAnirudh Venkataramanan }; 359940b61afSAnirudh Venkataramanan 360837f08fdSAnirudh Venkataramanan struct ice_pf { 361837f08fdSAnirudh Venkataramanan struct pci_dev *pdev; 362eb0208ecSPreethi Banala 3631adf7eadSJacob Keller /* devlink port data */ 3641adf7eadSJacob Keller struct devlink_port devlink_port; 3651adf7eadSJacob Keller 366dce730f1SJacob Keller struct devlink_region *nvm_region; 367dce730f1SJacob Keller 368eb0208ecSPreethi Banala /* OS reserved IRQ details */ 369940b61afSAnirudh Venkataramanan struct msix_entry *msix_entries; 370cbe66bfeSBrett Creeley struct ice_res_tracker *irq_tracker; 371cbe66bfeSBrett Creeley /* First MSIX vector used by SR-IOV VFs. Calculated by subtracting the 372cbe66bfeSBrett Creeley * number of MSIX vectors needed for all SR-IOV VFs from the number of 373cbe66bfeSBrett Creeley * MSIX vectors allowed on this PF. 374cbe66bfeSBrett Creeley */ 375cbe66bfeSBrett Creeley u16 sriov_base_vector; 376eb0208ecSPreethi Banala 377148beb61SHenry Tieman u16 ctrl_vsi_idx; /* control VSI index in pf->vsi array */ 378148beb61SHenry Tieman 379940b61afSAnirudh Venkataramanan struct ice_vsi **vsi; /* VSIs created by the driver */ 380940b61afSAnirudh Venkataramanan struct ice_sw *first_sw; /* first switch created by firmware */ 381ddf30f7fSAnirudh Venkataramanan /* Virtchnl/SR-IOV config info */ 382ddf30f7fSAnirudh Venkataramanan struct ice_vf *vf; 38353bb6698SJesse Brandeburg u16 num_alloc_vfs; /* actual number of VFs allocated */ 38475d2b253SAnirudh Venkataramanan u16 num_vfs_supported; /* num VFs supported for this PF */ 38546c276ceSBrett Creeley u16 num_qps_per_vf; 38646c276ceSBrett Creeley u16 num_msix_per_vf; 3879d5c5a52SPaul Greenwalt /* used to ratelimit the MDD event logging */ 3889d5c5a52SPaul Greenwalt unsigned long last_printed_mdd_jiffies; 389837f08fdSAnirudh Venkataramanan DECLARE_BITMAP(state, __ICE_STATE_NBITS); 390940b61afSAnirudh Venkataramanan DECLARE_BITMAP(flags, ICE_PF_FLAGS_NBITS); 39178b5713aSAnirudh Venkataramanan unsigned long *avail_txqs; /* bitmap to track PF Tx queue usage */ 39278b5713aSAnirudh Venkataramanan unsigned long *avail_rxqs; /* bitmap to track PF Rx queue usage */ 393940b61afSAnirudh Venkataramanan unsigned long serv_tmr_period; 394940b61afSAnirudh Venkataramanan unsigned long serv_tmr_prev; 395940b61afSAnirudh Venkataramanan struct timer_list serv_tmr; 396940b61afSAnirudh Venkataramanan struct work_struct serv_task; 397940b61afSAnirudh Venkataramanan struct mutex avail_q_mutex; /* protects access to avail_[rx|tx]qs */ 398940b61afSAnirudh Venkataramanan struct mutex sw_mutex; /* lock for protecting VSI alloc flow */ 399b94b013eSDave Ertman struct mutex tc_mutex; /* lock to protect TC changes */ 400837f08fdSAnirudh Venkataramanan u32 msg_enable; 401d76a60baSAnirudh Venkataramanan u32 hw_csum_rx_error; 40288865fc4SKarol Kolacinski u16 oicr_idx; /* Other interrupt cause MSIX vector index */ 40388865fc4SKarol Kolacinski u16 num_avail_sw_msix; /* remaining MSIX SW vectors left unclaimed */ 40478b5713aSAnirudh Venkataramanan u16 max_pf_txqs; /* Total Tx queues PF wide */ 40578b5713aSAnirudh Venkataramanan u16 max_pf_rxqs; /* Total Rx queues PF wide */ 40688865fc4SKarol Kolacinski u16 num_lan_msix; /* Total MSIX vectors for base driver */ 407f9867df6SAnirudh Venkataramanan u16 num_lan_tx; /* num LAN Tx queues setup */ 408f9867df6SAnirudh Venkataramanan u16 num_lan_rx; /* num LAN Rx queues setup */ 409940b61afSAnirudh Venkataramanan u16 next_vsi; /* Next free slot in pf->vsi[] - 0-based! */ 410940b61afSAnirudh Venkataramanan u16 num_alloc_vsi; 4110b28b702SAnirudh Venkataramanan u16 corer_count; /* Core reset count */ 4120b28b702SAnirudh Venkataramanan u16 globr_count; /* Global reset count */ 4130b28b702SAnirudh Venkataramanan u16 empr_count; /* EMP reset count */ 4140b28b702SAnirudh Venkataramanan u16 pfr_count; /* PF reset count */ 4150b28b702SAnirudh Venkataramanan 416fcea6f3dSAnirudh Venkataramanan struct ice_hw_port_stats stats; 417fcea6f3dSAnirudh Venkataramanan struct ice_hw_port_stats stats_prev; 418837f08fdSAnirudh Venkataramanan struct ice_hw hw; 4190ab54c5fSJesse Brandeburg u8 stat_prev_loaded:1; /* has previous stats been loaded */ 4207b9ffc76SAnirudh Venkataramanan #ifdef CONFIG_DCB 4217b9ffc76SAnirudh Venkataramanan u16 dcbx_cap; 4227b9ffc76SAnirudh Venkataramanan #endif /* CONFIG_DCB */ 423b3969fd7SSudheer Mogilappagari u32 tx_timeout_count; 424b3969fd7SSudheer Mogilappagari unsigned long tx_timeout_last_recovery; 425b3969fd7SSudheer Mogilappagari u32 tx_timeout_recovery_level; 426940b61afSAnirudh Venkataramanan char int_name[ICE_INT_NAME_STR_LEN]; 4270e674aebSAnirudh Venkataramanan u32 sw_int_count; 428837f08fdSAnirudh Venkataramanan }; 429940b61afSAnirudh Venkataramanan 4303a858ba3SAnirudh Venkataramanan struct ice_netdev_priv { 4313a858ba3SAnirudh Venkataramanan struct ice_vsi *vsi; 4323a858ba3SAnirudh Venkataramanan }; 4333a858ba3SAnirudh Venkataramanan 434940b61afSAnirudh Venkataramanan /** 435940b61afSAnirudh Venkataramanan * ice_irq_dynamic_ena - Enable default interrupt generation settings 436f9867df6SAnirudh Venkataramanan * @hw: pointer to HW struct 437f9867df6SAnirudh Venkataramanan * @vsi: pointer to VSI struct, can be NULL 438cdedef59SAnirudh Venkataramanan * @q_vector: pointer to q_vector, can be NULL 439940b61afSAnirudh Venkataramanan */ 440c8b7abddSBruce Allan static inline void 441c8b7abddSBruce Allan ice_irq_dynamic_ena(struct ice_hw *hw, struct ice_vsi *vsi, 442cdedef59SAnirudh Venkataramanan struct ice_q_vector *q_vector) 443940b61afSAnirudh Venkataramanan { 444b07833a0SBrett Creeley u32 vector = (vsi && q_vector) ? q_vector->reg_idx : 445cbe66bfeSBrett Creeley ((struct ice_pf *)hw->back)->oicr_idx; 446940b61afSAnirudh Venkataramanan int itr = ICE_ITR_NONE; 447940b61afSAnirudh Venkataramanan u32 val; 448940b61afSAnirudh Venkataramanan 449940b61afSAnirudh Venkataramanan /* clear the PBA here, as this function is meant to clean out all 450940b61afSAnirudh Venkataramanan * previous interrupts and enable the interrupt 451940b61afSAnirudh Venkataramanan */ 452940b61afSAnirudh Venkataramanan val = GLINT_DYN_CTL_INTENA_M | GLINT_DYN_CTL_CLEARPBA_M | 453940b61afSAnirudh Venkataramanan (itr << GLINT_DYN_CTL_ITR_INDX_S); 454cdedef59SAnirudh Venkataramanan if (vsi) 455cdedef59SAnirudh Venkataramanan if (test_bit(__ICE_DOWN, vsi->state)) 456cdedef59SAnirudh Venkataramanan return; 457940b61afSAnirudh Venkataramanan wr32(hw, GLINT_DYN_CTL(vector), val); 458940b61afSAnirudh Venkataramanan } 459cdedef59SAnirudh Venkataramanan 460c2a23e00SBrett Creeley /** 461462acf6aSTony Nguyen * ice_netdev_to_pf - Retrieve the PF struct associated with a netdev 462462acf6aSTony Nguyen * @netdev: pointer to the netdev struct 463462acf6aSTony Nguyen */ 464462acf6aSTony Nguyen static inline struct ice_pf *ice_netdev_to_pf(struct net_device *netdev) 465462acf6aSTony Nguyen { 466462acf6aSTony Nguyen struct ice_netdev_priv *np = netdev_priv(netdev); 467462acf6aSTony Nguyen 468462acf6aSTony Nguyen return np->vsi->back; 469462acf6aSTony Nguyen } 470462acf6aSTony Nguyen 471efc2214bSMaciej Fijalkowski static inline bool ice_is_xdp_ena_vsi(struct ice_vsi *vsi) 472efc2214bSMaciej Fijalkowski { 473efc2214bSMaciej Fijalkowski return !!vsi->xdp_prog; 474efc2214bSMaciej Fijalkowski } 475efc2214bSMaciej Fijalkowski 476efc2214bSMaciej Fijalkowski static inline void ice_set_ring_xdp(struct ice_ring *ring) 477efc2214bSMaciej Fijalkowski { 478efc2214bSMaciej Fijalkowski ring->flags |= ICE_TX_FLAGS_RING_XDP; 479efc2214bSMaciej Fijalkowski } 480efc2214bSMaciej Fijalkowski 481462acf6aSTony Nguyen /** 4822d4238f5SKrzysztof Kazimierczak * ice_xsk_umem - get XDP UMEM bound to a ring 4832d4238f5SKrzysztof Kazimierczak * @ring - ring to use 4842d4238f5SKrzysztof Kazimierczak * 4852d4238f5SKrzysztof Kazimierczak * Returns a pointer to xdp_umem structure if there is an UMEM present, 4862d4238f5SKrzysztof Kazimierczak * NULL otherwise. 4872d4238f5SKrzysztof Kazimierczak */ 4882d4238f5SKrzysztof Kazimierczak static inline struct xdp_umem *ice_xsk_umem(struct ice_ring *ring) 4892d4238f5SKrzysztof Kazimierczak { 4902d4238f5SKrzysztof Kazimierczak struct xdp_umem **umems = ring->vsi->xsk_umems; 49165bb559bSKrzysztof Kazimierczak u16 qid = ring->q_index; 4922d4238f5SKrzysztof Kazimierczak 4932d4238f5SKrzysztof Kazimierczak if (ice_ring_is_xdp(ring)) 4942d4238f5SKrzysztof Kazimierczak qid -= ring->vsi->num_xdp_txq; 4952d4238f5SKrzysztof Kazimierczak 49665bb559bSKrzysztof Kazimierczak if (qid >= ring->vsi->num_xsk_umems || !umems || !umems[qid] || 49765bb559bSKrzysztof Kazimierczak !ice_is_xdp_ena_vsi(ring->vsi)) 4982d4238f5SKrzysztof Kazimierczak return NULL; 4992d4238f5SKrzysztof Kazimierczak 5002d4238f5SKrzysztof Kazimierczak return umems[qid]; 5012d4238f5SKrzysztof Kazimierczak } 5022d4238f5SKrzysztof Kazimierczak 5032d4238f5SKrzysztof Kazimierczak /** 504208ff751SAnirudh Venkataramanan * ice_get_main_vsi - Get the PF VSI 505208ff751SAnirudh Venkataramanan * @pf: PF instance 506208ff751SAnirudh Venkataramanan * 507208ff751SAnirudh Venkataramanan * returns pf->vsi[0], which by definition is the PF VSI 508c2a23e00SBrett Creeley */ 509208ff751SAnirudh Venkataramanan static inline struct ice_vsi *ice_get_main_vsi(struct ice_pf *pf) 510c2a23e00SBrett Creeley { 511208ff751SAnirudh Venkataramanan if (pf->vsi) 512208ff751SAnirudh Venkataramanan return pf->vsi[0]; 513c2a23e00SBrett Creeley 514c2a23e00SBrett Creeley return NULL; 515c2a23e00SBrett Creeley } 516c2a23e00SBrett Creeley 517148beb61SHenry Tieman /** 518148beb61SHenry Tieman * ice_get_ctrl_vsi - Get the control VSI 519148beb61SHenry Tieman * @pf: PF instance 520148beb61SHenry Tieman */ 521148beb61SHenry Tieman static inline struct ice_vsi *ice_get_ctrl_vsi(struct ice_pf *pf) 522148beb61SHenry Tieman { 523148beb61SHenry Tieman /* if pf->ctrl_vsi_idx is ICE_NO_VSI, control VSI was not set up */ 524148beb61SHenry Tieman if (!pf->vsi || pf->ctrl_vsi_idx == ICE_NO_VSI) 525148beb61SHenry Tieman return NULL; 526148beb61SHenry Tieman 527148beb61SHenry Tieman return pf->vsi[pf->ctrl_vsi_idx]; 528148beb61SHenry Tieman } 529148beb61SHenry Tieman 5304ab95646SHenry Tieman #define ICE_FD_STAT_CTR_BLOCK_COUNT 256 5314ab95646SHenry Tieman #define ICE_FD_STAT_PF_IDX(base_idx) \ 5324ab95646SHenry Tieman ((base_idx) * ICE_FD_STAT_CTR_BLOCK_COUNT) 5334ab95646SHenry Tieman #define ICE_FD_SB_STAT_IDX(base_idx) ICE_FD_STAT_PF_IDX(base_idx) 5344ab95646SHenry Tieman 5350e674aebSAnirudh Venkataramanan int ice_vsi_setup_tx_rings(struct ice_vsi *vsi); 5360e674aebSAnirudh Venkataramanan int ice_vsi_setup_rx_rings(struct ice_vsi *vsi); 537148beb61SHenry Tieman int ice_vsi_open_ctrl(struct ice_vsi *vsi); 538fcea6f3dSAnirudh Venkataramanan void ice_set_ethtool_ops(struct net_device *netdev); 539462acf6aSTony Nguyen void ice_set_ethtool_safe_mode_ops(struct net_device *netdev); 5408c243700SAnirudh Venkataramanan u16 ice_get_avail_txq_count(struct ice_pf *pf); 5418c243700SAnirudh Venkataramanan u16 ice_get_avail_rxq_count(struct ice_pf *pf); 54287324e74SHenry Tieman int ice_vsi_recfg_qs(struct ice_vsi *vsi, int new_rx, int new_tx); 5435a4a8673SBruce Allan void ice_update_vsi_stats(struct ice_vsi *vsi); 5445a4a8673SBruce Allan void ice_update_pf_stats(struct ice_pf *pf); 545fcea6f3dSAnirudh Venkataramanan int ice_up(struct ice_vsi *vsi); 546fcea6f3dSAnirudh Venkataramanan int ice_down(struct ice_vsi *vsi); 5470e674aebSAnirudh Venkataramanan int ice_vsi_cfg(struct ice_vsi *vsi); 5480e674aebSAnirudh Venkataramanan struct ice_vsi *ice_lb_vsi_setup(struct ice_pf *pf, struct ice_port_info *pi); 549efc2214bSMaciej Fijalkowski int ice_prepare_xdp_rings(struct ice_vsi *vsi, struct bpf_prog *prog); 550efc2214bSMaciej Fijalkowski int ice_destroy_xdp_rings(struct ice_vsi *vsi); 551efc2214bSMaciej Fijalkowski int 552efc2214bSMaciej Fijalkowski ice_xdp_xmit(struct net_device *dev, int n, struct xdp_frame **frames, 553efc2214bSMaciej Fijalkowski u32 flags); 554d76a60baSAnirudh Venkataramanan int ice_set_rss(struct ice_vsi *vsi, u8 *seed, u8 *lut, u16 lut_size); 555d76a60baSAnirudh Venkataramanan int ice_get_rss(struct ice_vsi *vsi, u8 *seed, u8 *lut, u16 lut_size); 556d76a60baSAnirudh Venkataramanan void ice_fill_rss_lut(u8 *lut, u16 rss_table_size, u16 rss_size); 55787324e74SHenry Tieman int ice_schedule_reset(struct ice_pf *pf, enum ice_reset_req reset); 558fcea6f3dSAnirudh Venkataramanan void ice_print_link_msg(struct ice_vsi *vsi, bool isup); 5590fee3577SLihong Yang const char *ice_stat_str(enum ice_status stat_err); 5600fee3577SLihong Yang const char *ice_aq_str(enum ice_aq_err aq_err); 561148beb61SHenry Tieman void ice_vsi_manage_fdir(struct ice_vsi *vsi, bool ena); 562*cac2a27cSHenry Tieman int ice_add_fdir_ethtool(struct ice_vsi *vsi, struct ethtool_rxnfc *cmd); 563*cac2a27cSHenry Tieman int ice_del_fdir_ethtool(struct ice_vsi *vsi, struct ethtool_rxnfc *cmd); 5644ab95646SHenry Tieman int ice_get_ethtool_fdir_entry(struct ice_hw *hw, struct ethtool_rxnfc *cmd); 5654ab95646SHenry Tieman int 5664ab95646SHenry Tieman ice_get_fdir_fltr_ids(struct ice_hw *hw, struct ethtool_rxnfc *cmd, 5674ab95646SHenry Tieman u32 *rule_locs); 568148beb61SHenry Tieman void ice_fdir_release_flows(struct ice_hw *hw); 569148beb61SHenry Tieman int ice_fdir_create_dflt_rules(struct ice_pf *pf); 5700e674aebSAnirudh Venkataramanan int ice_open(struct net_device *netdev); 5710e674aebSAnirudh Venkataramanan int ice_stop(struct net_device *netdev); 572d76a60baSAnirudh Venkataramanan 573837f08fdSAnirudh Venkataramanan #endif /* _ICE_H_ */ 574