// SPDX-License-Identifier: GPL-2.0-only /* * QLogic qlcnic NIC Driver * Copyright (c) 2009-2013 QLogic Corporation */ #include <linux/netdevice.h> #include <linux/if_vlan.h> #include <net/ip.h> #include <linux/ipv6.h> #include <net/checksum.h> #include <linux/printk.h> #include <linux/jiffies.h> #include "qlcnic.h" #define QLCNIC_TX_ETHER_PKT … #define QLCNIC_TX_TCP_PKT … #define QLCNIC_TX_UDP_PKT … #define QLCNIC_TX_IP_PKT … #define QLCNIC_TX_TCP_LSO … #define QLCNIC_TX_TCP_LSO6 … #define QLCNIC_TX_ENCAP_PKT … #define QLCNIC_TX_ENCAP_LSO … #define QLCNIC_TX_TCPV6_PKT … #define QLCNIC_TX_UDPV6_PKT … #define QLCNIC_FLAGS_VLAN_TAGGED … #define QLCNIC_FLAGS_VLAN_OOB … #define qlcnic_set_tx_vlan_tci(cmd_desc, v) … #define qlcnic_set_cmd_desc_port(cmd_desc, var) … #define qlcnic_set_cmd_desc_ctxid(cmd_desc, var) … #define qlcnic_set_tx_port(_desc, _port) … #define qlcnic_set_tx_flags_opcode(_desc, _flags, _opcode) … #define qlcnic_set_tx_frags_len(_desc, _frags, _len) … /* owner bits of status_desc */ #define STATUS_OWNER_HOST … #define STATUS_OWNER_PHANTOM … /* Status descriptor: 0-3 port, 4-7 status, 8-11 type, 12-27 total_length 28-43 reference_handle, 44-47 protocol, 48-52 pkt_offset 53-55 desc_cnt, 56-57 owner, 58-63 opcode */ #define qlcnic_get_sts_port(sts_data) … #define qlcnic_get_sts_status(sts_data) … #define qlcnic_get_sts_type(sts_data) … #define qlcnic_get_sts_totallength(sts_data) … #define qlcnic_get_sts_refhandle(sts_data) … #define qlcnic_get_sts_prot(sts_data) … #define qlcnic_get_sts_pkt_offset(sts_data) … #define qlcnic_get_sts_desc_cnt(sts_data) … #define qlcnic_get_sts_opcode(sts_data) … #define qlcnic_get_lro_sts_refhandle(sts_data) … #define qlcnic_get_lro_sts_length(sts_data) … #define qlcnic_get_lro_sts_l2_hdr_offset(sts_data) … #define qlcnic_get_lro_sts_l4_hdr_offset(sts_data) … #define qlcnic_get_lro_sts_timestamp(sts_data) … #define qlcnic_get_lro_sts_type(sts_data) … #define qlcnic_get_lro_sts_push_flag(sts_data) … #define qlcnic_get_lro_sts_seq_number(sts_data) … #define qlcnic_get_lro_sts_mss(sts_data1) … #define qlcnic_83xx_get_lro_sts_mss(sts) … /* opcode field in status_desc */ #define QLCNIC_SYN_OFFLOAD … #define QLCNIC_RXPKT_DESC … #define QLCNIC_OLD_RXPKT_DESC … #define QLCNIC_RESPONSE_DESC … #define QLCNIC_LRO_DESC … #define QLCNIC_TCP_HDR_SIZE … #define QLCNIC_TCP_TS_OPTION_SIZE … #define QLCNIC_FETCH_RING_ID(handle) … #define QLCNIC_DESC_OWNER_FW … #define QLCNIC_TCP_TS_HDR_SIZE … /* for status field in status_desc */ #define STATUS_CKSUM_LOOP … #define STATUS_CKSUM_OK … #define qlcnic_83xx_pktln(sts) … #define qlcnic_83xx_hndl(sts) … #define qlcnic_83xx_csum_status(sts) … #define qlcnic_83xx_opcode(sts) … #define qlcnic_83xx_vlan_tag(sts) … #define qlcnic_83xx_lro_pktln(sts) … #define qlcnic_83xx_l2_hdr_off(sts) … #define qlcnic_83xx_l4_hdr_off(sts) … #define qlcnic_83xx_pkt_cnt(sts) … #define qlcnic_83xx_is_tstamp(sts) … #define qlcnic_83xx_is_psh_bit(sts) … #define qlcnic_83xx_is_ip_align(sts) … #define qlcnic_83xx_has_vlan_tag(sts) … static int qlcnic_process_rcv_ring(struct qlcnic_host_sds_ring *sds_ring, int max); static struct sk_buff *qlcnic_process_rxbuf(struct qlcnic_adapter *, struct qlcnic_host_rds_ring *, u16, u16); static inline u8 qlcnic_mac_hash(u64 mac, u16 vlan) { … } static inline u32 qlcnic_get_ref_handle(struct qlcnic_adapter *adapter, u16 handle, u8 ring_id) { … } static inline int qlcnic_82xx_is_lb_pkt(u64 sts_data) { … } static void qlcnic_delete_rx_list_mac(struct qlcnic_adapter *adapter, struct qlcnic_filter *fil, void *addr, u16 vlan_id) { … } static struct qlcnic_filter *qlcnic_find_mac_filter(struct hlist_head *head, void *addr, u16 vlan_id) { … } static void qlcnic_add_lb_filter(struct qlcnic_adapter *adapter, struct sk_buff *skb, int loopback_pkt, u16 vlan_id) { … } void qlcnic_82xx_change_filter(struct qlcnic_adapter *adapter, u64 *uaddr, u16 vlan_id, struct qlcnic_host_tx_ring *tx_ring) { … } static void qlcnic_send_filter(struct qlcnic_adapter *adapter, struct cmd_desc_type0 *first_desc, struct sk_buff *skb, struct qlcnic_host_tx_ring *tx_ring) { … } #define QLCNIC_ENCAP_VXLAN_PKT … #define QLCNIC_ENCAP_OUTER_L3_IP6 … #define QLCNIC_ENCAP_INNER_L3_IP6 … #define QLCNIC_ENCAP_INNER_L4_UDP … #define QLCNIC_ENCAP_DO_L3_CSUM … #define QLCNIC_ENCAP_DO_L4_CSUM … static int qlcnic_tx_encap_pkt(struct qlcnic_adapter *adapter, struct cmd_desc_type0 *first_desc, struct sk_buff *skb, struct qlcnic_host_tx_ring *tx_ring) { … } static int qlcnic_tx_pkt(struct qlcnic_adapter *adapter, struct cmd_desc_type0 *first_desc, struct sk_buff *skb, struct qlcnic_host_tx_ring *tx_ring) { … } static int qlcnic_map_tx_skb(struct pci_dev *pdev, struct sk_buff *skb, struct qlcnic_cmd_buffer *pbuf) { … } static void qlcnic_unmap_buffers(struct pci_dev *pdev, struct sk_buff *skb, struct qlcnic_cmd_buffer *pbuf) { … } static inline void qlcnic_clear_cmddesc(u64 *desc) { … } netdev_tx_t qlcnic_xmit_frame(struct sk_buff *skb, struct net_device *netdev) { … } void qlcnic_advert_link_change(struct qlcnic_adapter *adapter, int linkup) { … } static int qlcnic_alloc_rx_skb(struct qlcnic_adapter *adapter, struct qlcnic_host_rds_ring *rds_ring, struct qlcnic_rx_buffer *buffer) { … } static void qlcnic_post_rx_buffers_nodb(struct qlcnic_adapter *adapter, struct qlcnic_host_rds_ring *rds_ring, u8 ring_id) { … } static int qlcnic_process_cmd_ring(struct qlcnic_adapter *adapter, struct qlcnic_host_tx_ring *tx_ring, int budget) { … } static int qlcnic_poll(struct napi_struct *napi, int budget) { … } static int qlcnic_tx_poll(struct napi_struct *napi, int budget) { … } static int qlcnic_rx_poll(struct napi_struct *napi, int budget) { … } static void qlcnic_handle_linkevent(struct qlcnic_adapter *adapter, struct qlcnic_fw_msg *msg) { … } static void qlcnic_handle_fw_message(int desc_cnt, int index, struct qlcnic_host_sds_ring *sds_ring) { … } static struct sk_buff *qlcnic_process_rxbuf(struct qlcnic_adapter *adapter, struct qlcnic_host_rds_ring *ring, u16 index, u16 cksum) { … } static inline int qlcnic_check_rx_tagging(struct qlcnic_adapter *adapter, struct sk_buff *skb, u16 *vlan_tag) { … } static struct qlcnic_rx_buffer * qlcnic_process_rcv(struct qlcnic_adapter *adapter, struct qlcnic_host_sds_ring *sds_ring, int ring, u64 sts_data0) { … } #define QLC_TCP_HDR_SIZE … #define QLC_TCP_TS_OPTION_SIZE … #define QLC_TCP_TS_HDR_SIZE … static struct qlcnic_rx_buffer * qlcnic_process_lro(struct qlcnic_adapter *adapter, int ring, u64 sts_data0, u64 sts_data1) { … } static int qlcnic_process_rcv_ring(struct qlcnic_host_sds_ring *sds_ring, int max) { … } void qlcnic_post_rx_buffers(struct qlcnic_adapter *adapter, struct qlcnic_host_rds_ring *rds_ring, u8 ring_id) { … } static void dump_skb(struct sk_buff *skb, struct qlcnic_adapter *adapter) { … } static void qlcnic_process_rcv_diag(struct qlcnic_adapter *adapter, int ring, u64 sts_data0) { … } void qlcnic_82xx_process_rcv_ring_diag(struct qlcnic_host_sds_ring *sds_ring) { … } int qlcnic_82xx_napi_add(struct qlcnic_adapter *adapter, struct net_device *netdev) { … } void qlcnic_82xx_napi_del(struct qlcnic_adapter *adapter) { … } void qlcnic_82xx_napi_enable(struct qlcnic_adapter *adapter) { … } void qlcnic_82xx_napi_disable(struct qlcnic_adapter *adapter) { … } #define QLC_83XX_NORMAL_LB_PKT … #define QLC_83XX_LRO_LB_PKT … static inline int qlcnic_83xx_is_lb_pkt(u64 sts_data, int lro_pkt) { … } #define QLCNIC_ENCAP_LENGTH_MASK … static inline u8 qlcnic_encap_length(u64 sts_data) { … } static struct qlcnic_rx_buffer * qlcnic_83xx_process_rcv(struct qlcnic_adapter *adapter, struct qlcnic_host_sds_ring *sds_ring, u8 ring, u64 sts_data[]) { … } static struct qlcnic_rx_buffer * qlcnic_83xx_process_lro(struct qlcnic_adapter *adapter, u8 ring, u64 sts_data[]) { … } static int qlcnic_83xx_process_rcv_ring(struct qlcnic_host_sds_ring *sds_ring, int max) { … } static int qlcnic_83xx_msix_sriov_vf_poll(struct napi_struct *napi, int budget) { … } static int qlcnic_83xx_poll(struct napi_struct *napi, int budget) { … } static int qlcnic_83xx_msix_tx_poll(struct napi_struct *napi, int budget) { … } static int qlcnic_83xx_rx_poll(struct napi_struct *napi, int budget) { … } void qlcnic_83xx_napi_enable(struct qlcnic_adapter *adapter) { … } void qlcnic_83xx_napi_disable(struct qlcnic_adapter *adapter) { … } int qlcnic_83xx_napi_add(struct qlcnic_adapter *adapter, struct net_device *netdev) { … } void qlcnic_83xx_napi_del(struct qlcnic_adapter *adapter) { … } static void qlcnic_83xx_process_rcv_diag(struct qlcnic_adapter *adapter, int ring, u64 sts_data[]) { … } void qlcnic_83xx_process_rcv_ring_diag(struct qlcnic_host_sds_ring *sds_ring) { … }
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