// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB /* Copyright (c) 2015 - 2021 Intel Corporation */ #include "main.h" #include "trace.h" static void irdma_cm_post_event(struct irdma_cm_event *event); static void irdma_disconnect_worker(struct work_struct *work); /** * irdma_free_sqbuf - put back puda buffer if refcount is 0 * @vsi: The VSI structure of the device * @bufp: puda buffer to free */ void irdma_free_sqbuf(struct irdma_sc_vsi *vsi, void *bufp) { … } /** * irdma_record_ird_ord - Record IRD/ORD passed in * @cm_node: connection's node * @conn_ird: connection IRD * @conn_ord: connection ORD */ static void irdma_record_ird_ord(struct irdma_cm_node *cm_node, u32 conn_ird, u32 conn_ord) { … } /** * irdma_copy_ip_ntohl - copy IP address from network to host * @dst: IP address in host order * @src: IP address in network order (big endian) */ void irdma_copy_ip_ntohl(u32 *dst, __be32 *src) { … } /** * irdma_copy_ip_htonl - copy IP address from host to network order * @dst: IP address in network order (big endian) * @src: IP address in host order */ void irdma_copy_ip_htonl(__be32 *dst, u32 *src) { … } /** * irdma_get_addr_info * @cm_node: contains ip/tcp info * @cm_info: to get a copy of the cm_node ip/tcp info */ static void irdma_get_addr_info(struct irdma_cm_node *cm_node, struct irdma_cm_info *cm_info) { … } /** * irdma_fill_sockaddr4 - fill in addr info for IPv4 connection * @cm_node: connection's node * @event: upper layer's cm event */ static inline void irdma_fill_sockaddr4(struct irdma_cm_node *cm_node, struct iw_cm_event *event) { … } /** * irdma_fill_sockaddr6 - fill in addr info for IPv6 connection * @cm_node: connection's node * @event: upper layer's cm event */ static inline void irdma_fill_sockaddr6(struct irdma_cm_node *cm_node, struct iw_cm_event *event) { … } /** * irdma_get_cmevent_info - for cm event upcall * @cm_node: connection's node * @cm_id: upper layers cm struct for the event * @event: upper layer's cm event */ static inline void irdma_get_cmevent_info(struct irdma_cm_node *cm_node, struct iw_cm_id *cm_id, struct iw_cm_event *event) { … } /** * irdma_send_cm_event - upcall cm's event handler * @cm_node: connection's node * @cm_id: upper layer's cm info struct * @type: Event type to indicate * @status: status for the event type */ static int irdma_send_cm_event(struct irdma_cm_node *cm_node, struct iw_cm_id *cm_id, enum iw_cm_event_type type, int status) { … } /** * irdma_timer_list_prep - add connection nodes to a list to perform timer tasks * @cm_core: cm's core * @timer_list: a timer list to which cm_node will be selected */ static void irdma_timer_list_prep(struct irdma_cm_core *cm_core, struct list_head *timer_list) { … } /** * irdma_create_event - create cm event * @cm_node: connection's node * @type: Event type to generate */ static struct irdma_cm_event *irdma_create_event(struct irdma_cm_node *cm_node, enum irdma_cm_event_type type) { … } /** * irdma_free_retrans_entry - free send entry * @cm_node: connection's node */ static void irdma_free_retrans_entry(struct irdma_cm_node *cm_node) { … } /** * irdma_cleanup_retrans_entry - free send entry with lock * @cm_node: connection's node */ static void irdma_cleanup_retrans_entry(struct irdma_cm_node *cm_node) { … } /** * irdma_form_ah_cm_frame - get a free packet and build frame with address handle * @cm_node: connection's node ionfo to use in frame * @options: pointer to options info * @hdr: pointer mpa header * @pdata: pointer to private data * @flags: indicates FIN or ACK */ static struct irdma_puda_buf *irdma_form_ah_cm_frame(struct irdma_cm_node *cm_node, struct irdma_kmem_info *options, struct irdma_kmem_info *hdr, struct irdma_mpa_priv_info *pdata, u8 flags) { … } /** * irdma_form_uda_cm_frame - get a free packet and build frame full tcpip packet * @cm_node: connection's node ionfo to use in frame * @options: pointer to options info * @hdr: pointer mpa header * @pdata: pointer to private data * @flags: indicates FIN or ACK */ static struct irdma_puda_buf *irdma_form_uda_cm_frame(struct irdma_cm_node *cm_node, struct irdma_kmem_info *options, struct irdma_kmem_info *hdr, struct irdma_mpa_priv_info *pdata, u8 flags) { … } /** * irdma_send_reset - Send RST packet * @cm_node: connection's node */ int irdma_send_reset(struct irdma_cm_node *cm_node) { … } /** * irdma_active_open_err - send event for active side cm error * @cm_node: connection's node * @reset: Flag to send reset or not */ static void irdma_active_open_err(struct irdma_cm_node *cm_node, bool reset) { … } /** * irdma_passive_open_err - handle passive side cm error * @cm_node: connection's node * @reset: send reset or just free cm_node */ static void irdma_passive_open_err(struct irdma_cm_node *cm_node, bool reset) { … } /** * irdma_event_connect_error - to create connect error event * @event: cm information for connect event */ static void irdma_event_connect_error(struct irdma_cm_event *event) { … } /** * irdma_process_options - process options from TCP header * @cm_node: connection's node * @optionsloc: point to start of options * @optionsize: size of all options * @syn_pkt: flag if syn packet */ static int irdma_process_options(struct irdma_cm_node *cm_node, u8 *optionsloc, u32 optionsize, u32 syn_pkt) { … } /** * irdma_handle_tcp_options - setup TCP context info after parsing TCP options * @cm_node: connection's node * @tcph: pointer tcp header * @optionsize: size of options rcvd * @passive: active or passive flag */ static int irdma_handle_tcp_options(struct irdma_cm_node *cm_node, struct tcphdr *tcph, int optionsize, int passive) { … } /** * irdma_build_mpa_v1 - build a MPA V1 frame * @cm_node: connection's node * @start_addr: address where to build frame * @mpa_key: to do read0 or write0 */ static void irdma_build_mpa_v1(struct irdma_cm_node *cm_node, void *start_addr, u8 mpa_key) { … } /** * irdma_build_mpa_v2 - build a MPA V2 frame * @cm_node: connection's node * @start_addr: buffer start address * @mpa_key: to do read0 or write0 */ static void irdma_build_mpa_v2(struct irdma_cm_node *cm_node, void *start_addr, u8 mpa_key) { … } /** * irdma_cm_build_mpa_frame - build mpa frame for mpa version 1 or version 2 * @cm_node: connection's node * @mpa: mpa: data buffer * @mpa_key: to do read0 or write0 */ static int irdma_cm_build_mpa_frame(struct irdma_cm_node *cm_node, struct irdma_kmem_info *mpa, u8 mpa_key) { … } /** * irdma_send_mpa_request - active node send mpa request to passive node * @cm_node: connection's node */ static int irdma_send_mpa_request(struct irdma_cm_node *cm_node) { … } /** * irdma_send_mpa_reject - * @cm_node: connection's node * @pdata: reject data for connection * @plen: length of reject data */ static int irdma_send_mpa_reject(struct irdma_cm_node *cm_node, const void *pdata, u8 plen) { … } /** * irdma_negotiate_mpa_v2_ird_ord - negotiate MPAv2 IRD/ORD * @cm_node: connection's node * @buf: Data pointer */ static int irdma_negotiate_mpa_v2_ird_ord(struct irdma_cm_node *cm_node, u8 *buf) { … } /** * irdma_parse_mpa - process an IETF MPA frame * @cm_node: connection's node * @buf: Data pointer * @type: to return accept or reject * @len: Len of mpa buffer */ static int irdma_parse_mpa(struct irdma_cm_node *cm_node, u8 *buf, u32 *type, u32 len) { … } /** * irdma_schedule_cm_timer * @cm_node: connection's node * @sqbuf: buffer to send * @type: if it is send or close * @send_retrans: if rexmits to be done * @close_when_complete: is cm_node to be removed * * note - cm_node needs to be protected before calling this. Encase in: * irdma_rem_ref_cm_node(cm_core, cm_node); * irdma_schedule_cm_timer(...) * refcount_inc(&cm_node->refcnt); */ int irdma_schedule_cm_timer(struct irdma_cm_node *cm_node, struct irdma_puda_buf *sqbuf, enum irdma_timer_type type, int send_retrans, int close_when_complete) { … } /** * irdma_retrans_expired - Could not rexmit the packet * @cm_node: connection's node */ static void irdma_retrans_expired(struct irdma_cm_node *cm_node) { … } /** * irdma_handle_close_entry - for handling retry/timeouts * @cm_node: connection's node * @rem_node: flag for remove cm_node */ static void irdma_handle_close_entry(struct irdma_cm_node *cm_node, u32 rem_node) { … } /** * irdma_cm_timer_tick - system's timer expired callback * @t: Pointer to timer_list */ static void irdma_cm_timer_tick(struct timer_list *t) { … } /** * irdma_send_syn - send SYN packet * @cm_node: connection's node * @sendack: flag to set ACK bit or not */ int irdma_send_syn(struct irdma_cm_node *cm_node, u32 sendack) { … } /** * irdma_send_ack - Send ACK packet * @cm_node: connection's node */ void irdma_send_ack(struct irdma_cm_node *cm_node) { … } /** * irdma_send_fin - Send FIN pkt * @cm_node: connection's node */ static int irdma_send_fin(struct irdma_cm_node *cm_node) { … } /** * irdma_find_listener - find a cm node listening on this addr-port pair * @cm_core: cm's core * @dst_addr: listener ip addr * @ipv4: flag indicating IPv4 when true * @dst_port: listener tcp port num * @vlan_id: virtual LAN ID * @listener_state: state to match with listen node's */ static struct irdma_cm_listener * irdma_find_listener(struct irdma_cm_core *cm_core, u32 *dst_addr, bool ipv4, u16 dst_port, u16 vlan_id, enum irdma_cm_listener_state listener_state) { … } /** * irdma_del_multiple_qhash - Remove qhash and child listens * @iwdev: iWarp device * @cm_info: CM info for parent listen node * @cm_parent_listen_node: The parent listen node */ static int irdma_del_multiple_qhash(struct irdma_device *iwdev, struct irdma_cm_info *cm_info, struct irdma_cm_listener *cm_parent_listen_node) { … } static u8 irdma_iw_get_vlan_prio(u32 *loc_addr, u8 prio, bool ipv4) { … } /** * irdma_get_vlan_mac_ipv6 - Gets the vlan and mac * @addr: local IPv6 address * @vlan_id: vlan id for the given IPv6 address * @mac: mac address for the given IPv6 address * * Returns the vlan id and mac for an IPv6 address. */ void irdma_get_vlan_mac_ipv6(u32 *addr, u16 *vlan_id, u8 *mac) { … } /** * irdma_get_vlan_ipv4 - Returns the vlan_id for IPv4 address * @addr: local IPv4 address */ u16 irdma_get_vlan_ipv4(u32 *addr) { … } /** * irdma_add_mqh_6 - Adds multiple qhashes for IPv6 * @iwdev: iWarp device * @cm_info: CM info for parent listen node * @cm_parent_listen_node: The parent listen node * * Adds a qhash and a child listen node for every IPv6 address * on the adapter and adds the associated qhash filter */ static int irdma_add_mqh_6(struct irdma_device *iwdev, struct irdma_cm_info *cm_info, struct irdma_cm_listener *cm_parent_listen_node) { … } /** * irdma_add_mqh_4 - Adds multiple qhashes for IPv4 * @iwdev: iWarp device * @cm_info: CM info for parent listen node * @cm_parent_listen_node: The parent listen node * * Adds a qhash and a child listen node for every IPv4 address * on the adapter and adds the associated qhash filter */ static int irdma_add_mqh_4(struct irdma_device *iwdev, struct irdma_cm_info *cm_info, struct irdma_cm_listener *cm_parent_listen_node) { … } /** * irdma_add_mqh - Adds multiple qhashes * @iwdev: iWarp device * @cm_info: CM info for parent listen node * @cm_listen_node: The parent listen node */ static int irdma_add_mqh(struct irdma_device *iwdev, struct irdma_cm_info *cm_info, struct irdma_cm_listener *cm_listen_node) { … } /** * irdma_reset_list_prep - add connection nodes slated for reset to list * @cm_core: cm's core * @listener: pointer to listener node * @reset_list: a list to which cm_node will be selected */ static void irdma_reset_list_prep(struct irdma_cm_core *cm_core, struct irdma_cm_listener *listener, struct list_head *reset_list) { … } /** * irdma_dec_refcnt_listen - delete listener and associated cm nodes * @cm_core: cm's core * @listener: pointer to listener node * @free_hanging_nodes: to free associated cm_nodes * @apbvt_del: flag to delete the apbvt */ static int irdma_dec_refcnt_listen(struct irdma_cm_core *cm_core, struct irdma_cm_listener *listener, int free_hanging_nodes, bool apbvt_del) { … } /** * irdma_cm_del_listen - delete a listener * @cm_core: cm's core * @listener: passive connection's listener * @apbvt_del: flag to delete apbvt */ static int irdma_cm_del_listen(struct irdma_cm_core *cm_core, struct irdma_cm_listener *listener, bool apbvt_del) { … } /** * irdma_addr_resolve_neigh - resolve neighbor address * @iwdev: iwarp device structure * @src_ip: local ip address * @dst_ip: remote ip address * @arpindex: if there is an arp entry */ static int irdma_addr_resolve_neigh(struct irdma_device *iwdev, u32 src_ip, u32 dst_ip, int arpindex) { … } /** * irdma_get_dst_ipv6 - get destination cache entry via ipv6 lookup * @src_addr: local ipv6 sock address * @dst_addr: destination ipv6 sock address */ static struct dst_entry *irdma_get_dst_ipv6(struct sockaddr_in6 *src_addr, struct sockaddr_in6 *dst_addr) { … } /** * irdma_addr_resolve_neigh_ipv6 - resolve neighbor ipv6 address * @iwdev: iwarp device structure * @src: local ip address * @dest: remote ip address * @arpindex: if there is an arp entry */ static int irdma_addr_resolve_neigh_ipv6(struct irdma_device *iwdev, u32 *src, u32 *dest, int arpindex) { … } /** * irdma_find_node - find a cm node that matches the reference cm node * @cm_core: cm's core * @rem_port: remote tcp port num * @rem_addr: remote ip addr * @loc_port: local tcp port num * @loc_addr: local ip addr * @vlan_id: local VLAN ID */ struct irdma_cm_node *irdma_find_node(struct irdma_cm_core *cm_core, u16 rem_port, u32 *rem_addr, u16 loc_port, u32 *loc_addr, u16 vlan_id) { … } /** * irdma_add_hte_node - add a cm node to the hash table * @cm_core: cm's core * @cm_node: connection's node */ static void irdma_add_hte_node(struct irdma_cm_core *cm_core, struct irdma_cm_node *cm_node) { … } /** * irdma_ipv4_is_lpb - check if loopback * @loc_addr: local addr to compare * @rem_addr: remote address */ bool irdma_ipv4_is_lpb(u32 loc_addr, u32 rem_addr) { … } /** * irdma_ipv6_is_lpb - check if loopback * @loc_addr: local addr to compare * @rem_addr: remote address */ bool irdma_ipv6_is_lpb(u32 *loc_addr, u32 *rem_addr) { … } /** * irdma_cm_create_ah - create a cm address handle * @cm_node: The connection manager node to create AH for * @wait: Provides option to wait for ah creation or not */ static int irdma_cm_create_ah(struct irdma_cm_node *cm_node, bool wait) { … } /** * irdma_cm_free_ah - free a cm address handle * @cm_node: The connection manager node to create AH for */ static void irdma_cm_free_ah(struct irdma_cm_node *cm_node) { … } /** * irdma_make_cm_node - create a new instance of a cm node * @cm_core: cm's core * @iwdev: iwarp device structure * @cm_info: quad info for connection * @listener: passive connection's listener */ static struct irdma_cm_node * irdma_make_cm_node(struct irdma_cm_core *cm_core, struct irdma_device *iwdev, struct irdma_cm_info *cm_info, struct irdma_cm_listener *listener) { … } static void irdma_destroy_connection(struct irdma_cm_node *cm_node) { … } /** * irdma_rem_ref_cm_node - destroy an instance of a cm node * @cm_node: connection's node */ void irdma_rem_ref_cm_node(struct irdma_cm_node *cm_node) { … } /** * irdma_handle_fin_pkt - FIN packet received * @cm_node: connection's node */ static void irdma_handle_fin_pkt(struct irdma_cm_node *cm_node) { … } /** * irdma_handle_rst_pkt - process received RST packet * @cm_node: connection's node * @rbuf: receive buffer */ static void irdma_handle_rst_pkt(struct irdma_cm_node *cm_node, struct irdma_puda_buf *rbuf) { … } /** * irdma_handle_rcv_mpa - Process a recv'd mpa buffer * @cm_node: connection's node * @rbuf: receive buffer */ static void irdma_handle_rcv_mpa(struct irdma_cm_node *cm_node, struct irdma_puda_buf *rbuf) { … } /** * irdma_check_syn - Check for error on received syn ack * @cm_node: connection's node * @tcph: pointer tcp header */ static int irdma_check_syn(struct irdma_cm_node *cm_node, struct tcphdr *tcph) { … } /** * irdma_check_seq - check seq numbers if OK * @cm_node: connection's node * @tcph: pointer tcp header */ static int irdma_check_seq(struct irdma_cm_node *cm_node, struct tcphdr *tcph) { … } void irdma_add_conn_est_qh(struct irdma_cm_node *cm_node) { … } /** * irdma_handle_syn_pkt - is for Passive node * @cm_node: connection's node * @rbuf: receive buffer */ static void irdma_handle_syn_pkt(struct irdma_cm_node *cm_node, struct irdma_puda_buf *rbuf) { … } /** * irdma_handle_synack_pkt - Process SYN+ACK packet (active side) * @cm_node: connection's node * @rbuf: receive buffer */ static void irdma_handle_synack_pkt(struct irdma_cm_node *cm_node, struct irdma_puda_buf *rbuf) { … } /** * irdma_handle_ack_pkt - process packet with ACK * @cm_node: connection's node * @rbuf: receive buffer */ static int irdma_handle_ack_pkt(struct irdma_cm_node *cm_node, struct irdma_puda_buf *rbuf) { … } /** * irdma_process_pkt - process cm packet * @cm_node: connection's node * @rbuf: receive buffer */ static void irdma_process_pkt(struct irdma_cm_node *cm_node, struct irdma_puda_buf *rbuf) { … } /** * irdma_make_listen_node - create a listen node with params * @cm_core: cm's core * @iwdev: iwarp device structure * @cm_info: quad info for connection */ static struct irdma_cm_listener * irdma_make_listen_node(struct irdma_cm_core *cm_core, struct irdma_device *iwdev, struct irdma_cm_info *cm_info) { … } /** * irdma_create_cm_node - make a connection node with params * @cm_core: cm's core * @iwdev: iwarp device structure * @conn_param: connection parameters * @cm_info: quad info for connection * @caller_cm_node: pointer to cm_node structure to return */ static int irdma_create_cm_node(struct irdma_cm_core *cm_core, struct irdma_device *iwdev, struct iw_cm_conn_param *conn_param, struct irdma_cm_info *cm_info, struct irdma_cm_node **caller_cm_node) { … } /** * irdma_cm_reject - reject and teardown a connection * @cm_node: connection's node * @pdata: ptr to private data for reject * @plen: size of private data */ static int irdma_cm_reject(struct irdma_cm_node *cm_node, const void *pdata, u8 plen) { … } /** * irdma_cm_close - close of cm connection * @cm_node: connection's node */ static int irdma_cm_close(struct irdma_cm_node *cm_node) { … } /** * irdma_receive_ilq - recv an ETHERNET packet, and process it * through CM * @vsi: VSI structure of dev * @rbuf: receive buffer */ void irdma_receive_ilq(struct irdma_sc_vsi *vsi, struct irdma_puda_buf *rbuf) { … } static int irdma_add_qh(struct irdma_cm_node *cm_node, bool active) { … } static void irdma_cm_free_ah_nop(struct irdma_cm_node *cm_node) { … } /** * irdma_setup_cm_core - setup top level instance of a cm core * @iwdev: iwarp device structure * @rdma_ver: HW version */ int irdma_setup_cm_core(struct irdma_device *iwdev, u8 rdma_ver) { … } /** * irdma_cleanup_cm_core - deallocate a top level instance of a * cm core * @cm_core: cm's core */ void irdma_cleanup_cm_core(struct irdma_cm_core *cm_core) { … } /** * irdma_init_tcp_ctx - setup qp context * @cm_node: connection's node * @tcp_info: offload info for tcp * @iwqp: associate qp for the connection */ static void irdma_init_tcp_ctx(struct irdma_cm_node *cm_node, struct irdma_tcp_offload_info *tcp_info, struct irdma_qp *iwqp) { … } /** * irdma_cm_init_tsa_conn - setup qp for RTS * @iwqp: associate qp for the connection * @cm_node: connection's node */ static void irdma_cm_init_tsa_conn(struct irdma_qp *iwqp, struct irdma_cm_node *cm_node) { … } /** * irdma_cm_disconn - when a connection is being closed * @iwqp: associated qp for the connection */ void irdma_cm_disconn(struct irdma_qp *iwqp) { … } /** * irdma_qp_disconnect - free qp and close cm * @iwqp: associate qp for the connection */ static void irdma_qp_disconnect(struct irdma_qp *iwqp) { … } /** * irdma_cm_disconn_true - called by worker thread to disconnect qp * @iwqp: associate qp for the connection */ static void irdma_cm_disconn_true(struct irdma_qp *iwqp) { … } /** * irdma_disconnect_worker - worker for connection close * @work: points or disconn structure */ static void irdma_disconnect_worker(struct work_struct *work) { … } /** * irdma_free_lsmm_rsrc - free lsmm memory and deregister * @iwqp: associate qp for the connection */ void irdma_free_lsmm_rsrc(struct irdma_qp *iwqp) { … } /** * irdma_accept - registered call for connection to be accepted * @cm_id: cm information for passive connection * @conn_param: accpet parameters */ int irdma_accept(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param) { … } /** * irdma_reject - registered call for connection to be rejected * @cm_id: cm information for passive connection * @pdata: private data to be sent * @pdata_len: private data length */ int irdma_reject(struct iw_cm_id *cm_id, const void *pdata, u8 pdata_len) { … } /** * irdma_connect - registered call for connection to be established * @cm_id: cm information for passive connection * @conn_param: Information about the connection */ int irdma_connect(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param) { … } /** * irdma_create_listen - registered call creating listener * @cm_id: cm information for passive connection * @backlog: to max accept pending count */ int irdma_create_listen(struct iw_cm_id *cm_id, int backlog) { … } /** * irdma_destroy_listen - registered call to destroy listener * @cm_id: cm information for passive connection */ int irdma_destroy_listen(struct iw_cm_id *cm_id) { … } /** * irdma_teardown_list_prep - add conn nodes slated for tear down to list * @cm_core: cm's core * @teardown_list: a list to which cm_node will be selected * @ipaddr: pointer to ip address * @nfo: pointer to cm_info structure instance * @disconnect_all: flag indicating disconnect all QPs */ static void irdma_teardown_list_prep(struct irdma_cm_core *cm_core, struct list_head *teardown_list, u32 *ipaddr, struct irdma_cm_info *nfo, bool disconnect_all) { … } /** * irdma_cm_event_connected - handle connected active node * @event: the info for cm_node of connection */ static void irdma_cm_event_connected(struct irdma_cm_event *event) { … } /** * irdma_cm_event_reset - handle reset * @event: the info for cm_node of connection */ static void irdma_cm_event_reset(struct irdma_cm_event *event) { … } /** * irdma_cm_event_handler - send event to cm upper layer * @work: pointer of cm event info. */ static void irdma_cm_event_handler(struct work_struct *work) { … } /** * irdma_cm_post_event - queue event request for worker thread * @event: cm node's info for up event call */ static void irdma_cm_post_event(struct irdma_cm_event *event) { … } /** * irdma_cm_teardown_connections - teardown QPs * @iwdev: device pointer * @ipaddr: Pointer to IPv4 or IPv6 address * @nfo: Connection info * @disconnect_all: flag indicating disconnect all QPs * * teardown QPs where source or destination addr matches ip addr */ void irdma_cm_teardown_connections(struct irdma_device *iwdev, u32 *ipaddr, struct irdma_cm_info *nfo, bool disconnect_all) { … } /** * irdma_qhash_ctrl - enable/disable qhash for list * @iwdev: device pointer * @parent_listen_node: parent listen node * @nfo: cm info node * @ipaddr: Pointer to IPv4 or IPv6 address * @ipv4: flag indicating IPv4 when true * @ifup: flag indicating interface up when true * * Enables or disables the qhash for the node in the child * listen list that matches ipaddr. If no matching IP was found * it will allocate and add a new child listen node to the * parent listen node. The listen_list_lock is assumed to be * held when called. */ static void irdma_qhash_ctrl(struct irdma_device *iwdev, struct irdma_cm_listener *parent_listen_node, struct irdma_cm_info *nfo, u32 *ipaddr, bool ipv4, bool ifup) { … } /** * irdma_if_notify - process an ifdown on an interface * @iwdev: device pointer * @netdev: network device structure * @ipaddr: Pointer to IPv4 or IPv6 address * @ipv4: flag indicating IPv4 when true * @ifup: flag indicating interface up when true */ void irdma_if_notify(struct irdma_device *iwdev, struct net_device *netdev, u32 *ipaddr, bool ipv4, bool ifup) { … }
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