ceph/src/spdk/dpdk/drivers/net/bonding/rte_eth_bond_8023ad_private.h

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2010-2014 Intel Corporation
   3  */
   4
   5 #ifndef RTE_ETH_BOND_8023AD_PRIVATE_H_
   6 #define RTE_ETH_BOND_8023AD_PRIVATE_H_
   7
   8 #include <stdint.h>
   9
  10 #include <rte_ether.h>
  11 #include <rte_byteorder.h>
  12 #include <rte_atomic.h>
  13 #include <rte_flow.h>
  14
  15 #include "rte_eth_bond_8023ad.h"
  16
  17 #define BOND_MODE_8023AX_UPDATE_TIMEOUT_MS  100
  18 /** Maximum number of packets to one slave queued in TX ring. */
  19 #define BOND_MODE_8023AX_SLAVE_RX_PKTS        3
  20 /** Maximum number of LACP packets from one slave queued in TX ring. */
  21 #define BOND_MODE_8023AX_SLAVE_TX_PKTS        1
  22 /**
  23  * Timeouts deffinitions (5.4.4 in 802.1AX documentation).
  24  */
  25 #define BOND_8023AD_FAST_PERIODIC_MS                900
  26 #define BOND_8023AD_SLOW_PERIODIC_MS              29000
  27 #define BOND_8023AD_SHORT_TIMEOUT_MS               3000
  28 #define BOND_8023AD_LONG_TIMEOUT_MS               90000
  29 #define BOND_8023AD_CHURN_DETECTION_TIMEOUT_MS    60000
  30 #define BOND_8023AD_AGGREGATE_WAIT_TIMEOUT_MS      2000
  31 #define BOND_8023AD_TX_MACHINE_PERIOD_MS            500
  32 #define BOND_8023AD_RX_MARKER_PERIOD_MS            2000
  33
  34 /**
  35  * Interval of showing warning message from state machines. All messages will
  36  * be held (and gathered together) to prevent flooding.
  37  * This is no parto of 802.1AX standard.
  38  */
  39 #define BOND_8023AD_WARNINGS_PERIOD_MS             1000
  40
  41
  42
  43 /**
  44  * State machine flags
  45  */
  46 #define SM_FLAGS_BEGIN                      0x0001
  47 #define SM_FLAGS_LACP_ENABLED               0x0002
  48 #define SM_FLAGS_ACTOR_CHURN                0x0004
  49 #define SM_FLAGS_PARTNER_CHURN              0x0008
  50 #define SM_FLAGS_MOVED                      0x0100
  51 #define SM_FLAGS_PARTNER_SHORT_TIMEOUT      0x0200
  52 #define SM_FLAGS_NTT                        0x0400
  53
  54 #define BOND_LINK_FULL_DUPLEX_KEY           0x01
  55 #define BOND_LINK_SPEED_KEY_10M             0x02
  56 #define BOND_LINK_SPEED_KEY_100M            0x04
  57 #define BOND_LINK_SPEED_KEY_1000M           0x08
  58 #define BOND_LINK_SPEED_KEY_10G             0x10
  59 #define BOND_LINK_SPEED_KEY_20G             0x11
  60 #define BOND_LINK_SPEED_KEY_40G             0x12
  61
  62 #define WRN_RX_MARKER_TO_FAST      0x01
  63 #define WRN_UNKNOWN_SLOW_TYPE      0x02
  64 #define WRN_UNKNOWN_MARKER_TYPE    0x04
  65 #define WRN_NOT_LACP_CAPABLE       0x08
  66 #define WRN_RX_QUEUE_FULL       0x10
  67 #define WRN_TX_QUEUE_FULL       0x20
  68
  69 #define CHECK_FLAGS(_variable, _f) ((_variable) & (_f))
  70 #define SET_FLAGS(_variable, _f) ((_variable) |= (_f))
  71 #define CLEAR_FLAGS(_variable, _f) ((_variable) &= ~(_f))
  72
  73 #define SM_FLAG(_p, _f) (!!CHECK_FLAGS((_p)->sm_flags, SM_FLAGS_ ## _f))
  74 #define SM_FLAG_SET(_p, _f) SET_FLAGS((_p)->sm_flags, SM_FLAGS_ ## _f)
  75 #define SM_FLAG_CLR(_p, _f) CLEAR_FLAGS((_p)->sm_flags, SM_FLAGS_ ## _f)
  76
  77 #define ACTOR_STATE(_p, _f) (!!CHECK_FLAGS((_p)->actor_state, STATE_ ## _f))
  78 #define ACTOR_STATE_SET(_p, _f) SET_FLAGS((_p)->actor_state, STATE_ ## _f)
  79 #define ACTOR_STATE_CLR(_p, _f) CLEAR_FLAGS((_p)->actor_state, STATE_ ## _f)
  80
  81 #define PARTNER_STATE(_p, _f) (!!CHECK_FLAGS((_p)->partner_state, STATE_ ## _f))
  82 #define PARTNER_STATE_SET(_p, _f) SET_FLAGS((_p)->partner_state, STATE_ ## _f)
  83 #define PARTNER_STATE_CLR(_p, _f) CLEAR_FLAGS((_p)->partner_state, STATE_ ## _f)
  84
  85 /** Variables associated with each port (5.4.7 in 802.1AX documentation). */
  86 struct port {
  87         /**
  88          * The operational values of the Actor's state parameters. Bitmask
  89          * of port states.
  90          */
  91         uint8_t actor_state;
  92
  93         /** The operational Actor's port parameters */
  94         struct port_params actor;
  95
  96         /**
  97          * The operational value of the Actor's view of the current values of
  98          * the Partner's state parameters. The Actor sets this variable either
  99          * to the value received from the Partner in an LACPDU, or to the value
 100          * of Partner_Admin_Port_State. Bitmask of port states.
 101          */
 102         uint8_t partner_state;
 103
 104         /** The operational Partner's port parameters */
 105         struct port_params partner;
 106
 107         /* Additional port parameters not listed in documentation */
 108         /** State machine flags */
 109         uint16_t sm_flags;
 110         enum rte_bond_8023ad_selection selected;
 111
 112         uint64_t current_while_timer;
 113         uint64_t periodic_timer;
 114         uint64_t wait_while_timer;
 115         uint64_t tx_machine_timer;
 116         uint64_t tx_marker_timer;
 117         /* Agregator parameters */
 118         /** Used aggregator port ID */
 119         uint16_t aggregator_port_id;
 120
 121         /** Memory pool used to allocate rings */
 122         struct rte_mempool *mbuf_pool;
 123
 124         /** Ring of LACP packets from RX burst function */
 125         struct rte_ring *rx_ring;
 126
 127         /** Ring of slow protocol packets (LACP and MARKERS) to TX burst function */
 128         struct rte_ring *tx_ring;
 129
 130         /** Timer which is also used as mutex. If is 0 (not running) RX marker
 131          * packet might be responded. Otherwise shall be dropped. It is zeroed in
 132          * mode 4 callback function after expire. */
 133         volatile uint64_t rx_marker_timer;
 134
 135         uint64_t warning_timer;
 136         volatile uint16_t warnings_to_show;
 137
 138         /** Memory pool used to allocate slow queues */
 139         struct rte_mempool *slow_pool;
 140 };
 141
 142 struct mode8023ad_private {
 143         uint64_t fast_periodic_timeout;
 144         uint64_t slow_periodic_timeout;
 145         uint64_t short_timeout;
 146         uint64_t long_timeout;
 147         uint64_t aggregate_wait_timeout;
 148         uint64_t tx_period_timeout;
 149         uint64_t rx_marker_timeout;
 150         uint64_t update_timeout_us;
 151         rte_eth_bond_8023ad_ext_slowrx_fn slowrx_cb;
 152         uint8_t external_sm;
 153
 154         struct rte_eth_link slave_link;
 155         /***< slave link properties */
 156
 157         /**
 158          * Configuration of dedicated hardware queues for control plane
 159          * traffic
 160          */
 161         struct {
 162                 uint8_t enabled;
 163
 164                 struct rte_flow *flow[RTE_MAX_ETHPORTS];
 165
 166                 uint16_t rx_qid;
 167                 uint16_t tx_qid;
 168         } dedicated_queues;
 169         enum rte_bond_8023ad_agg_selection agg_selection;
 170 };
 171
 172 /**
 173  * @internal
 174  * The pool of *port* structures. The size of the pool
 175  * is configured at compile-time in the <rte_eth_bond_8023ad.c> file.
 176  */
 177 extern struct port mode_8023ad_ports[];
 178
 179 /* Forward declaration */
 180 struct bond_dev_private;
 181
 182
 183 /**
 184  * @internal
 185  *
 186  * Set mode 4 configuration of bonded interface.
 187  *
 188  * @pre Bonded interface must be stopped.
 189  *
 190  * @param dev Bonded interface
 191  * @param conf new configuration. If NULL set default configuration.
 192  */
 193 void
 194 bond_mode_8023ad_setup(struct rte_eth_dev *dev,
 195                 struct rte_eth_bond_8023ad_conf *conf);
 196
 197 /**
 198  * @internal
 199  *
 200  * Enables 802.1AX mode and all active slaves on bonded interface.
 201  *
 202  * @param dev Bonded interface
 203  * @return
 204  *  0 on success, negative value otherwise.
 205  */
 206 int
 207 bond_mode_8023ad_enable(struct rte_eth_dev *dev);
 208
 209 /**
 210  * @internal
 211  *
 212  * Disables 802.1AX mode of the bonded interface and slaves.
 213  *
 214  * @param dev Bonded interface
 215  * @return
 216  *   0 on success, negative value otherwise.
 217  */
 218 int bond_mode_8023ad_disable(struct rte_eth_dev *dev);
 219
 220 /**
 221  * @internal
 222  *
 223  * Starts 802.3AX state machines management logic.
 224  * @param dev Bonded interface
 225  * @return
 226  *   0 if machines was started, 1 if machines was already running,
 227  *   negative value otherwise.
 228  */
 229 int
 230 bond_mode_8023ad_start(struct rte_eth_dev *dev);
 231
 232 /**
 233  * @internal
 234  *
 235  * Stops 802.3AX state machines management logic.
 236  * @param dev Bonded interface
 237  * @return
 238  *   0 if this call stopped state machines, -ENOENT if alarm was not set.
 239  */
 240 void
 241 bond_mode_8023ad_stop(struct rte_eth_dev *dev);
 242
 243 /**
 244  * @internal
 245  *
 246  * Passes given slow packet to state machines management logic.
 247  * @param internals Bonded device private data.
 248  * @param slave_id Slave port id.
 249  * @param slot_pkt Slow packet.
 250  */
 251 void
 252 bond_mode_8023ad_handle_slow_pkt(struct bond_dev_private *internals,
 253                                  uint16_t slave_id, struct rte_mbuf *pkt);
 254
 255 /**
 256  * @internal
 257  *
 258  * Appends given slave used slave
 259  *
 260  * @param dev       Bonded interface.
 261  * @param port_id   Slave port ID to be added
 262  *
 263  * @return
 264  *  0 on success, negative value otherwise.
 265  */
 266 void
 267 bond_mode_8023ad_activate_slave(struct rte_eth_dev *dev, uint16_t port_id);
 268
 269 /**
 270  * @internal
 271  *
 272  * Denitializes and removes given slave from 802.1AX mode.
 273  *
 274  * @param dev       Bonded interface.
 275  * @param slave_num Position of slave in active_slaves array
 276  *
 277  * @return
 278  *  0 on success, negative value otherwise.
 279  */
 280 int
 281 bond_mode_8023ad_deactivate_slave(struct rte_eth_dev *dev, uint16_t slave_pos);
 282
 283 /**
 284  * Updates state when MAC was changed on bonded device or one of its slaves.
 285  * @param bond_dev Bonded device
 286  */
 287 void
 288 bond_mode_8023ad_mac_address_update(struct rte_eth_dev *bond_dev);
 289
 290 int
 291 bond_ethdev_8023ad_flow_verify(struct rte_eth_dev *bond_dev,
 292                 uint16_t slave_port);
 293
 294 int
 295 bond_ethdev_8023ad_flow_set(struct rte_eth_dev *bond_dev, uint16_t slave_port);
 296
 297 int
 298 bond_8023ad_slow_pkt_hw_filter_supported(uint16_t port_id);
 299
 300 #endif /* RTE_ETH_BOND_8023AD_H_ */