1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 /* 22 * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 #ifndef _SYS_AGGR_IMPL_H 27 #define _SYS_AGGR_IMPL_H 28 29 #pragma ident "%Z%%M% %I% %E% SMI" 30 31 #include <sys/types.h> 32 #include <sys/mac.h> 33 #include <sys/mac_ether.h> 34 #include <sys/aggr_lacp.h> 35 36 #ifdef __cplusplus 37 extern "C" { 38 #endif 39 40 #ifdef _KERNEL 41 42 #define AGGR_MINOR_CTL 1 /* control interface minor */ 43 44 /* flags for aggr_grp_modify() */ 45 #define AGGR_MODIFY_POLICY 0x01 46 #define AGGR_MODIFY_MAC 0x02 47 #define AGGR_MODIFY_LACP_MODE 0x04 48 #define AGGR_MODIFY_LACP_TIMER 0x08 49 50 /* 51 * A link aggregation MAC port. 52 * Note that lp_next is protected by the lg_lock of the group the 53 * port is part of. 54 */ 55 typedef struct aggr_port_s { 56 struct aggr_port_s *lp_next; 57 struct aggr_grp_s *lp_grp; /* back ptr to group */ 58 datalink_id_t lp_linkid; 59 uint16_t lp_portid; 60 uint8_t lp_addr[ETHERADDRL]; /* port MAC address */ 61 uint32_t lp_refs; /* refcount */ 62 aggr_port_state_t lp_state; 63 uint32_t lp_started : 1, 64 lp_tx_enabled : 1, 65 lp_collector_enabled : 1, 66 lp_promisc_on : 1, 67 lp_no_link_update : 1, 68 lp_pad_bits : 27; 69 uint32_t lp_closing; 70 mac_handle_t lp_mh; 71 const mac_info_t *lp_mip; 72 mac_notify_handle_t lp_mnh; 73 mac_rx_handle_t lp_mrh; 74 krwlock_t lp_lock; 75 uint_t lp_tx_idx; /* idx in group's tx array */ 76 uint64_t lp_ifspeed; 77 link_state_t lp_link_state; 78 link_duplex_t lp_link_duplex; 79 uint64_t lp_stat[MAC_NSTAT]; 80 uint64_t lp_ether_stat[ETHER_NSTAT]; 81 aggr_lacp_port_t lp_lacp; /* LACP state */ 82 lacp_stats_t lp_lacp_stats; 83 const mac_txinfo_t *lp_txinfo; 84 uint32_t lp_margin; 85 } aggr_port_t; 86 87 typedef struct lg_mcst_addr_s lg_mcst_addr_t; 88 struct lg_mcst_addr_s { 89 lg_mcst_addr_t *lg_mcst_nextp; 90 uint8_t lg_mcst_addr[MAXMACADDRLEN]; 91 }; 92 93 /* 94 * A link aggregation group. 95 * 96 * The following per-group flags are defined: 97 * 98 * - lg_addr_fixed: set when the MAC address has been explicitely set 99 * when the group was created, or by a m_unicst_set() request. 100 * If this flag is not set, the MAC address of the group will be 101 * set to the first port that is added to the group. 102 * 103 * - lg_add_set: used only when lg_addr_fixed is not set. Captures whether 104 * the MAC address was initialized according to the members of the group. 105 * When set, the lg_port field points to the port from which the 106 * MAC address was initialized. 107 * 108 */ 109 typedef struct aggr_grp_s { 110 krwlock_t lg_lock; 111 datalink_id_t lg_linkid; 112 uint16_t lg_key; /* key (group port number) */ 113 uint32_t lg_refs; /* refcount */ 114 uint16_t lg_nports; /* number of MAC ports */ 115 uint8_t lg_addr[ETHERADDRL]; /* group MAC address */ 116 uint16_t 117 lg_closing : 1, 118 lg_addr_fixed : 1, /* fixed MAC address? */ 119 lg_started : 1, /* group started? */ 120 lg_promisc : 1, /* in promiscuous mode? */ 121 lg_gldv3_polling : 1, 122 lg_zcopy : 1, 123 lg_vlan : 1, 124 lg_force : 1, 125 lg_pad_bits : 8; 126 aggr_port_t *lg_ports; /* list of configured ports */ 127 aggr_port_t *lg_mac_addr_port; 128 mac_handle_t lg_mh; 129 uint_t lg_rx_resources; 130 uint_t lg_nattached_ports; 131 uint_t lg_ntx_ports; 132 aggr_port_t **lg_tx_ports; /* array of tx ports */ 133 uint_t lg_tx_ports_size; /* size of lg_tx_ports */ 134 uint32_t lg_tx_policy; /* outbound policy */ 135 uint64_t lg_ifspeed; 136 link_state_t lg_link_state; 137 link_duplex_t lg_link_duplex; 138 uint64_t lg_stat[MAC_NSTAT]; 139 uint64_t lg_ether_stat[ETHER_NSTAT]; 140 aggr_lacp_mode_t lg_lacp_mode; /* off, active, or passive */ 141 Agg_t aggr; /* 802.3ad data */ 142 uint32_t lg_hcksum_txflags; 143 uint_t lg_max_sdu; 144 uint32_t lg_margin; 145 lg_mcst_addr_t *lg_mcst_list; /* A list of multicast addresses */ 146 } aggr_grp_t; 147 148 #define AGGR_LACP_LOCK(grp) mutex_enter(&(grp)->aggr.gl_lock); 149 #define AGGR_LACP_UNLOCK(grp) mutex_exit(&(grp)->aggr.gl_lock); 150 #define AGGR_LACP_LOCK_HELD(grp) MUTEX_HELD(&(grp)->aggr.gl_lock) 151 152 #define AGGR_GRP_REFHOLD(grp) { \ 153 atomic_add_32(&(grp)->lg_refs, 1); \ 154 ASSERT((grp)->lg_refs != 0); \ 155 } 156 157 #define AGGR_GRP_REFRELE(grp) { \ 158 ASSERT((grp)->lg_refs != 0); \ 159 membar_exit(); \ 160 if (atomic_add_32_nv(&(grp)->lg_refs, -1) == 0) \ 161 aggr_grp_free(grp); \ 162 } 163 164 #define AGGR_PORT_REFHOLD(port) { \ 165 atomic_add_32(&(port)->lp_refs, 1); \ 166 ASSERT((port)->lp_refs != 0); \ 167 } 168 169 #define AGGR_PORT_REFRELE(port) { \ 170 ASSERT((port)->lp_refs != 0); \ 171 membar_exit(); \ 172 if (atomic_add_32_nv(&(port)->lp_refs, -1) == 0) \ 173 aggr_port_free(port); \ 174 } 175 176 extern dev_info_t *aggr_dip; 177 extern void aggr_ioctl(queue_t *, mblk_t *); 178 179 typedef int (*aggr_grp_info_new_grp_fn_t)(void *, datalink_id_t, uint32_t, 180 uchar_t *, boolean_t, boolean_t, uint32_t, uint32_t, aggr_lacp_mode_t, 181 aggr_lacp_timer_t); 182 typedef int (*aggr_grp_info_new_port_fn_t)(void *, datalink_id_t, uchar_t *, 183 aggr_port_state_t, aggr_lacp_state_t *); 184 185 extern void aggr_grp_init(void); 186 extern void aggr_grp_fini(void); 187 extern int aggr_grp_create(datalink_id_t, uint32_t, uint_t, laioc_port_t *, 188 uint32_t, boolean_t, boolean_t, uchar_t *, aggr_lacp_mode_t, 189 aggr_lacp_timer_t); 190 extern int aggr_grp_delete(datalink_id_t); 191 extern void aggr_grp_free(aggr_grp_t *); 192 193 extern int aggr_grp_info(datalink_id_t, void *, aggr_grp_info_new_grp_fn_t, 194 aggr_grp_info_new_port_fn_t); 195 extern void aggr_grp_notify(aggr_grp_t *, uint32_t); 196 extern boolean_t aggr_grp_attach_port(aggr_grp_t *, aggr_port_t *); 197 extern boolean_t aggr_grp_detach_port(aggr_grp_t *, aggr_port_t *); 198 extern void aggr_grp_port_mac_changed(aggr_grp_t *, aggr_port_t *, 199 boolean_t *, boolean_t *); 200 extern int aggr_grp_add_ports(datalink_id_t, uint_t, boolean_t, 201 laioc_port_t *); 202 extern int aggr_grp_rem_ports(datalink_id_t, uint_t, laioc_port_t *); 203 extern boolean_t aggr_grp_update_ports_mac(aggr_grp_t *); 204 extern int aggr_grp_modify(datalink_id_t, aggr_grp_t *, uint8_t, uint32_t, 205 boolean_t, const uchar_t *, aggr_lacp_mode_t, aggr_lacp_timer_t); 206 extern void aggr_grp_multicst_port(aggr_port_t *, boolean_t); 207 extern uint_t aggr_grp_count(void); 208 209 extern void aggr_port_init(void); 210 extern void aggr_port_fini(void); 211 extern int aggr_port_create(const datalink_id_t, boolean_t, aggr_port_t **); 212 extern void aggr_port_delete(aggr_port_t *); 213 extern void aggr_port_free(aggr_port_t *); 214 extern int aggr_port_start(aggr_port_t *); 215 extern void aggr_port_stop(aggr_port_t *); 216 extern int aggr_port_promisc(aggr_port_t *, boolean_t); 217 extern int aggr_port_unicst(aggr_port_t *, uint8_t *); 218 extern int aggr_port_multicst(void *, boolean_t, const uint8_t *); 219 extern uint64_t aggr_port_stat(aggr_port_t *, uint_t); 220 extern boolean_t aggr_port_notify_link(aggr_grp_t *, aggr_port_t *, boolean_t); 221 extern void aggr_port_init_callbacks(aggr_port_t *); 222 223 extern void aggr_recv_cb(void *, mac_resource_handle_t, mblk_t *); 224 225 extern mblk_t *aggr_m_tx(void *, mblk_t *); 226 extern void aggr_send_port_enable(aggr_port_t *); 227 extern void aggr_send_port_disable(aggr_port_t *); 228 extern void aggr_send_update_policy(aggr_grp_t *, uint32_t); 229 230 extern void aggr_lacp_init(void); 231 extern void aggr_lacp_fini(void); 232 extern void aggr_lacp_init_port(aggr_port_t *); 233 extern void aggr_lacp_init_grp(aggr_grp_t *); 234 extern void aggr_lacp_set_mode(aggr_grp_t *, aggr_lacp_mode_t, 235 aggr_lacp_timer_t); 236 extern void aggr_lacp_update_mode(aggr_grp_t *, aggr_lacp_mode_t); 237 extern void aggr_lacp_update_timer(aggr_grp_t *, aggr_lacp_timer_t); 238 extern void aggr_lacp_rx(aggr_port_t *, mblk_t *); 239 extern void aggr_lacp_port_attached(aggr_port_t *); 240 extern void aggr_lacp_port_detached(aggr_port_t *); 241 extern void aggr_lacp_policy_changed(aggr_grp_t *); 242 243 #endif /* _KERNEL */ 244 245 #ifdef __cplusplus 246 } 247 #endif 248 249 #endif /* _SYS_AGGR_IMPL_H */ 250