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 /* 88 * A link aggregation group. 89 * 90 * The following per-group flags are defined: 91 * 92 * - lg_addr_fixed: set when the MAC address has been explicitely set 93 * when the group was created, or by a m_unicst_set() request. 94 * If this flag is not set, the MAC address of the group will be 95 * set to the first port that is added to the group. 96 * 97 * - lg_add_set: used only when lg_addr_fixed is not set. Captures whether 98 * the MAC address was initialized according to the members of the group. 99 * When set, the lg_port field points to the port from which the 100 * MAC address was initialized. 101 * 102 */ 103 typedef struct aggr_grp_s { 104 krwlock_t lg_lock; 105 datalink_id_t lg_linkid; 106 uint16_t lg_key; /* key (group port number) */ 107 uint32_t lg_refs; /* refcount */ 108 uint16_t lg_nports; /* number of MAC ports */ 109 uint8_t lg_addr[ETHERADDRL]; /* group MAC address */ 110 uint16_t 111 lg_closing : 1, 112 lg_addr_fixed : 1, /* fixed MAC address? */ 113 lg_started : 1, /* group started? */ 114 lg_promisc : 1, /* in promiscuous mode? */ 115 lg_gldv3_polling : 1, 116 lg_zcopy : 1, 117 lg_vlan : 1, 118 lg_force : 1, 119 lg_pad_bits : 8; 120 aggr_port_t *lg_ports; /* list of configured ports */ 121 aggr_port_t *lg_mac_addr_port; 122 mac_handle_t lg_mh; 123 uint_t lg_rx_resources; 124 uint_t lg_nattached_ports; 125 uint_t lg_ntx_ports; 126 aggr_port_t **lg_tx_ports; /* array of tx ports */ 127 uint_t lg_tx_ports_size; /* size of lg_tx_ports */ 128 uint32_t lg_tx_policy; /* outbound policy */ 129 uint64_t lg_ifspeed; 130 link_state_t lg_link_state; 131 link_duplex_t lg_link_duplex; 132 uint64_t lg_stat[MAC_NSTAT]; 133 uint64_t lg_ether_stat[ETHER_NSTAT]; 134 aggr_lacp_mode_t lg_lacp_mode; /* off, active, or passive */ 135 Agg_t aggr; /* 802.3ad data */ 136 uint32_t lg_hcksum_txflags; 137 uint_t lg_max_sdu; 138 uint32_t lg_margin; 139 } aggr_grp_t; 140 141 #define AGGR_LACP_LOCK(grp) mutex_enter(&(grp)->aggr.gl_lock); 142 #define AGGR_LACP_UNLOCK(grp) mutex_exit(&(grp)->aggr.gl_lock); 143 #define AGGR_LACP_LOCK_HELD(grp) MUTEX_HELD(&(grp)->aggr.gl_lock) 144 145 #define AGGR_GRP_REFHOLD(grp) { \ 146 atomic_add_32(&(grp)->lg_refs, 1); \ 147 ASSERT((grp)->lg_refs != 0); \ 148 } 149 150 #define AGGR_GRP_REFRELE(grp) { \ 151 ASSERT((grp)->lg_refs != 0); \ 152 membar_exit(); \ 153 if (atomic_add_32_nv(&(grp)->lg_refs, -1) == 0) \ 154 aggr_grp_free(grp); \ 155 } 156 157 #define AGGR_PORT_REFHOLD(port) { \ 158 atomic_add_32(&(port)->lp_refs, 1); \ 159 ASSERT((port)->lp_refs != 0); \ 160 } 161 162 #define AGGR_PORT_REFRELE(port) { \ 163 ASSERT((port)->lp_refs != 0); \ 164 membar_exit(); \ 165 if (atomic_add_32_nv(&(port)->lp_refs, -1) == 0) \ 166 aggr_port_free(port); \ 167 } 168 169 extern dev_info_t *aggr_dip; 170 extern void aggr_ioctl(queue_t *, mblk_t *); 171 172 typedef int (*aggr_grp_info_new_grp_fn_t)(void *, datalink_id_t, uint32_t, 173 uchar_t *, boolean_t, boolean_t, uint32_t, uint32_t, aggr_lacp_mode_t, 174 aggr_lacp_timer_t); 175 typedef int (*aggr_grp_info_new_port_fn_t)(void *, datalink_id_t, uchar_t *, 176 aggr_port_state_t, aggr_lacp_state_t *); 177 178 extern void aggr_grp_init(void); 179 extern void aggr_grp_fini(void); 180 extern int aggr_grp_create(datalink_id_t, uint32_t, uint_t, laioc_port_t *, 181 uint32_t, boolean_t, boolean_t, uchar_t *, aggr_lacp_mode_t, 182 aggr_lacp_timer_t); 183 extern int aggr_grp_delete(datalink_id_t); 184 extern void aggr_grp_free(aggr_grp_t *); 185 186 extern int aggr_grp_info(datalink_id_t, void *, aggr_grp_info_new_grp_fn_t, 187 aggr_grp_info_new_port_fn_t); 188 extern void aggr_grp_notify(aggr_grp_t *, uint32_t); 189 extern boolean_t aggr_grp_attach_port(aggr_grp_t *, aggr_port_t *); 190 extern boolean_t aggr_grp_detach_port(aggr_grp_t *, aggr_port_t *); 191 extern void aggr_grp_port_mac_changed(aggr_grp_t *, aggr_port_t *, 192 boolean_t *, boolean_t *); 193 extern int aggr_grp_add_ports(datalink_id_t, uint_t, boolean_t, 194 laioc_port_t *); 195 extern int aggr_grp_rem_ports(datalink_id_t, uint_t, laioc_port_t *); 196 extern boolean_t aggr_grp_update_ports_mac(aggr_grp_t *); 197 extern int aggr_grp_modify(datalink_id_t, aggr_grp_t *, uint8_t, uint32_t, 198 boolean_t, const uchar_t *, aggr_lacp_mode_t, aggr_lacp_timer_t); 199 extern void aggr_grp_multicst_port(aggr_port_t *, boolean_t); 200 extern uint_t aggr_grp_count(void); 201 202 extern void aggr_port_init(void); 203 extern void aggr_port_fini(void); 204 extern int aggr_port_create(const datalink_id_t, boolean_t, aggr_port_t **); 205 extern void aggr_port_delete(aggr_port_t *); 206 extern void aggr_port_free(aggr_port_t *); 207 extern int aggr_port_start(aggr_port_t *); 208 extern void aggr_port_stop(aggr_port_t *); 209 extern int aggr_port_promisc(aggr_port_t *, boolean_t); 210 extern int aggr_port_unicst(aggr_port_t *, uint8_t *); 211 extern int aggr_port_multicst(void *, boolean_t, const uint8_t *); 212 extern uint64_t aggr_port_stat(aggr_port_t *, uint_t); 213 extern boolean_t aggr_port_notify_link(aggr_grp_t *, aggr_port_t *, boolean_t); 214 extern void aggr_port_init_callbacks(aggr_port_t *); 215 216 extern void aggr_recv_cb(void *, mac_resource_handle_t, mblk_t *); 217 218 extern mblk_t *aggr_m_tx(void *, mblk_t *); 219 extern void aggr_send_port_enable(aggr_port_t *); 220 extern void aggr_send_port_disable(aggr_port_t *); 221 extern void aggr_send_update_policy(aggr_grp_t *, uint32_t); 222 223 extern void aggr_lacp_init(void); 224 extern void aggr_lacp_fini(void); 225 extern void aggr_lacp_init_port(aggr_port_t *); 226 extern void aggr_lacp_init_grp(aggr_grp_t *); 227 extern void aggr_lacp_set_mode(aggr_grp_t *, aggr_lacp_mode_t, 228 aggr_lacp_timer_t); 229 extern void aggr_lacp_update_mode(aggr_grp_t *, aggr_lacp_mode_t); 230 extern void aggr_lacp_update_timer(aggr_grp_t *, aggr_lacp_timer_t); 231 extern void aggr_lacp_rx(aggr_port_t *, mblk_t *); 232 extern void aggr_lacp_port_attached(aggr_port_t *); 233 extern void aggr_lacp_port_detached(aggr_port_t *); 234 extern void aggr_lacp_policy_changed(aggr_grp_t *); 235 236 #endif /* _KERNEL */ 237 238 #ifdef __cplusplus 239 } 240 #endif 241 242 #endif /* _SYS_AGGR_IMPL_H */ 243