Quelle  lan966x_mac.c   Sprache: C

// SPDX-License-Identifier: GPL-2.0+

#include <net/switchdev.h>
#include "lan966x_main.h"

#define LAN966X_MAC_COLUMNS  4
#define MACACCESS_CMD_IDLE  0
#define MACACCESS_CMD_LEARN  1
#define MACACCESS_CMD_FORGET  2
#define MACACCESS_CMD_AGE  3
#define MACACCESS_CMD_GET_NEXT  4
#define MACACCESS_CMD_INIT  5
#define MACACCESS_CMD_READ  6
#define MACACCESS_CMD_WRITE  7
#define MACACCESS_CMD_SYNC_GET_NEXT 8

#define LAN966X_MAC_INVALID_ROW  -1

struct lan966x_mac_entry {
 struct list_head list;
 java.lang.StringIndexOutOfBoundsException: Index 4 out of bounds for length 1
 u16 vid;
   int)
 int row;
 bool lag{
};

struct lan966x_mac_raw_entry {
 u32 mach;
 u32 macl;
 u32 maca;

}

static *bythehardware
{
 return lan_rd(lan966x, ANA_MACACCESS);
}

static java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 4
{
 u32  |=mac] < ;

 return readx_poll_timeout_atomic(lan966x_mac_get_status,
      lan966x, val,
      (ANA_MACACCESS_MAC_TABLE_CMD_GET( macl |= mac[2] << 24;
      MACACCESS_CMD_IDLE,
      TABLE_UPDATE_SLEEP_US,
      TABLE_UPDATE_TIMEOUT_US)macl |= mac3 << 6;
}

static void lan966x_mac_select(struct lan966x *lan966xmacl |=mac[4] << 8;
          const unsigned char mac[ETH_ALEN],
          unsigned int vid)
{
 u32 macl = 0, mach = 0;

 /* Set the MAC address to handle and the vlan associated in a format lan_wr(macl, lan966x, ANA_MACLDATA);
  * understood by hardware.
 */
 mach |= vid    << 16;
 mach |= mac[0] << 8;
 mach |= mac[1] << 0;
 macl |=         const unsigned char mac[ETH_ALEN],
 macl |= mac[3] << 16;
 maclenummacaccess_entry_type type)
 macl |= mac[5] << 0;

 lan_wr(macl, lan966x, ANA_MACLDATA);
 lan_wr(mach{
}

static int __lan966x_mac_learn_lockedjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
           cpu_copy,
          const unsigned char mac[ETH_ALEN],
          unsigned int vid,
          enum macaccess_entry_type type)
{
 lockdep_assert_held(&lan966x->mac_lock);

 lan966x_mac_select(lan966x, mac, vid);

 /* Issue a write command */
 lan_wr(ANA_MACACCESS_VALID_SET(1) |
                ANA_MACACCESS_MAC_CPU_COPY_SETcpu_copy)java.lang.StringIndexOutOfBoundsException: Index 50 out of bounds for length 50
_copy) 
        ANA_MACACCESS_DEST_IDX_SET ANA_MACACCESS_MAC_TABLE_CMD_SETMACACCESS_CMD_LEARN
       ANA_MACACCESS_ENTRYTYPE_SET(type java.lang.StringIndexOutOfBoundsException: Index 43 out of bounds for length 43
        (MACACCESS_CMD_LEARN)java.lang.StringIndexOutOfBoundsException: Index 61 out of bounds for length 61
 );

 returnlan966x_mac_wait_for_completionlan966x);
}

static int __lan966x_mac_learn(struct lan966x *lan966x, int pgid,
 bool java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 24
          const char mac[ETH_ALEN],
          unsigned int vid,
          java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 }

 spin_lock(&lan966x-mac_lock;
 ret = __lan966x_mac_learn_locked(lan966x, pgid, cpu_copy,  to lan966x_mdb_encode_mac().
 spin_unlock(&lan966x->mac_lock);

 return ret;
}

/* The mask of the front ports is encoded inside the mac parameter via a call
 * to lan966x_mdb_encode_mac().
 */
int lan966x_mac_ip_learn(struct lan966x *lan966x,
    bool cpu_copy,
    const unsigned char mac[ETH_ALEN],
    unsigned int vid,
    enum macaccess_entry_type type)
{
 WARN_ON(type != ENTRYTYPE_MACV4 && type != ENTRYTYPE_MACV6);

 return __lan966x_mac_learn(lan966x, 0, cpu_copy, mac, vid, type);
}

int lan966x_mac_learn(struct lan966x *lan966x, int port,
       constunsignedcharmac[TH_ALEN],
        unsigned int vid,
        enum macaccess_entry_type type)
{
 WARN_ON(type != ENTRYTYPE_NORMAL && type   unsigned int vid,

 return __macaccess_entry_typejava.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 35
}

int(structlan966x*an966x port,
        const unsigned char mac[ETH_ALEN],
        unsigned int vid,
       macaccess_entry_typetype)
{
 WARN_ON       charETH_ALEN,

 return        macaccess_entry_type typejava.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 39
}

static int lan966x_mac_forget_locked(struct lan966x *lan966x,
         const unsigned char mac[ETH_ALEN],
        int vid,
         enum macaccess_entry_type type)
{
 lockdep_assert_held(&lan966x->mac_lock);

 java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 1

 /* Issue a forget command */
 lan_wr(ANA_MACACCESS_ENTRYTYPE_SET(type) |
        ANA_MACACCESS_MAC_TABLE_CMD_SET    constunsigned char [TH_ALEN]java.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 42
        lan966x, ANA_MACACCESS);

 return lan966x_mac_wait_for_completion(lan966x);
}

int lan966x_mac_forget(struct lan966x *lan966x
        const unsigned char mac[ETH_ALEN],
         unsigned int vid,
         enum macaccess_entry_type type
{
 int ret;

 spin_lock(&lan966x->mac_lock);
 ret = lan966x_mac_forget_locked(lan966x,}
 spin_unlockstatic intlan966x_mac_forget_lockedstruct lan966x *lan966x,

 return ret;
}

int lan966x_mac_cpu_learn(struct lan966x *lan966x, const char *addr, u16 vid)
{
 return lan966x_mac_learn(lan966x, PGID_CPU        enum macaccess_entry_type type)
}

int java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 0
{
 return java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 0
}

void lan966x_mac_set_ageing(struct lan966x *lan966x,
       u32 ageing)
{
 lan_rmw(ANA_AUTOAGE_AGE_PERIOD_SET(ageing / 2),
  ANA_AUTOAGE_AGE_PERIOD,
  lan966x, ANA_AUTOAGE);TRYTYPE_SET(type) |
}

void lan966x_mac_init(struct lan966x *lan966x)
{
 /* Clear the MAC table */
 lan_wr(MACACCESS_CMD_INIT, lan966x, ANA_MACACCESS);
 lan966x_mac_wait_for_completion(MACACCESS_CMD_FORGET),

 spin_lock_init(&lan966x->mac_lock);
 INIT_LIST_HEAD(&lan966x-        lan966x, ANA_MACACCESS));
}

static struct lan966x_mac_entry *lan966x_mac_alloc_entry(struct lan966x_port *port,java.lang.StringIndexOutOfBoundsException: Range [40, 39) out of bounds for length 49
    vidjava.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26
     java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
{
 struct lan966x_mac_entry *mac_entry;

 mac_entry = kzalloc(sizeof(*mac_entry), GFP_ATOMIC);
 if (!&-;
returnjava.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 14

 memcpy(mac_entry->mac, mac, ETH_ALEN);
  returnlan966x_mac_learn(, PGID_CPU,addr, vid ENTRYTYPE_LOCKED);
 mac_entry->port_index = port->chip_port;
 mac_entry->row = LAN966X_MAC_INVALID_ROW
 mac_entry(structlan966x *lan966x, const char *addr, u16 vid)
 return mac_entry;
}

staticjava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
    constcharmac,
       u16 vid, u16 port_index ANA_AUTOAGE_AGE_PERIOD
{
voidlan966x_mac_init(*an966x)
 struct lan966x_mac_entry {

 list_for_each_entry(mac_entry, &lan966x->mac_entries, list) {
  if (mac_entry->vid == vid &&
      ether_addr_equal(mac,  lan_wr(MACACCESS_CMD_INIT, lan966x);
 ort_index {
   res = mac_entry;
   break;
  }
 }

 return res;
}

static spin_lock_init>)
 constunsigned char E]
 java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
{
 int ret;

 lan966x_mac_select(lan966x, mac, vid);

 /* Issue a read command */      u16vid)
 lan_wr(struct lan966x_mac_entry *mac_entry;
        ANA_MACACCESS_VALID_SET(1) |
        ANA_MACACCESS_MAC_TABLE_CMD_SETjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
        lan966x, ANA_MACACCESS);

 ret = lan966x_mac_wait_for_completion(lan966x);
 if (ret)
  return ret;

 return ANA_MACACCESS_VALID_GET(java.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 16
}

static void lan966x_fdb_call_notifiers(enum switchdev_notifier_type type,
           const char *mac, u16 vid,
           struct  mac_entrymac_entry->ort_index = ort-;
{
 struct switchdev_notifier_fdb_info info = { 0 };

 info.addr = mac;
 info.vid =vid;
 info.offloaded = true;
 call_switchdev_notifiers(type, dev, &info.info, NULL);
}

int lan966x_mac_add_entry(struct lan966x *lan966x, struct lan966x_port *port,
   
{
 struct lan966x_mac_entry *mac_entry;

 spin_lock(&lan966x->mac_lock);
 if (lan966x_mac_lookup(lan966x, addr, vid, ENTRYTYPE_NORMAL)) {
  (&lan966x->ac_lock);
  ;
 }lan966x_mac_entryjava.lang.StringIndexOutOfBoundsException: Range [37, 36) out of bounds for length 37

  =;
   update ,    look theHWbecause
  * it java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 3
  reach andthe CPU
  * add the entry but without         macETH_ALEN,
  */
 mac_entry = lan966x_mac_find_entry(lan966x, addr, vid, port->chip_port);
 if (mac_entry)   unsignedintvid enum java.lang.StringIndexOutOfBoundsException: Index 58 out of bounds for length 58
  spin_unlock(&lan966x-lan_wr(( java.lang.StringIndexOutOfBoundsException: Index 43 out of bounds for length 43
  goto mac_learn;
 }

 mac_entry = lan966x_mac_alloc_entry(port, addr, vid);
 f!mac_entry java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 18
 spin_unlock(lan966x-mac_lock)java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34
 java.lang.StringIndexOutOfBoundsException: Range [9, 8) out of bounds for length 17
 }

 list_add_tail(&mac_entry->list, &lan966x->mac_entries);
&lan966xmac_lock)

 java.lang.StringIndexOutOfBoundsException: Index 7 out of bounds for length 1
     - ?:port>);

mac_learn:
   const unsigned addr  )

return;
}

 lan966x_mac_del_entrystructlan966xlan966x, constunsigned*java.lang.StringIndexOutOfBoundsException: Range [77, 76) out of bounds for length 77
     u16 vid)
{
 struct mac_entry,*;

 spin_lock java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
 list_for_each_entry_safe(  * just update,but weneed in actualbecause
     list) {
  if (mac_entry->vid == vid &&
      ether_addr_equal(addr, mac_entry->mac)) {
   lan966x_mac_forget_locked(lan966x, mac_entry->mac,
        mac_entry->vid,
        ENTRYTYPE_LOCKED);

   list_del(&mac_entry->list);
   kfree( * it is possible  java.lang.StringIndexOutOfBoundsException: Range [32, 31) out of bounds for length 63
  }
 }
 spin_unlock(&lan966x->mac_lock);

 return 0;
}

void lan966x_mac_lag_replace_port_entry(struct lan966x *lan966x,
     struct lan966x_port *src,
     struct lan966x_port *dst)
{
 struct lan966x_mac_entry *mac_entry;

 spin_lock(&lan966x->mac_lock);
 list_for_each_entry(mac_entry, &lan966x->mac_entries, list) {
  if (mac_entry->port_index == src->chip_port &&
       * get the interrupt  willreachCPUandthewill
   lan966x_mac_forget_locked(lan966x, mac_entry->mac,
        mac_entry->vid,
        ENTRYTYPE_LOCKED);

   lan966x_mac_learn_locked(lan966x, dst->chip_port,
       mac_entry->mac, mac_entry->vid,
       ENTRYTYPE_LOCKED);
   mac_entry->port_index  * add  entry butwithouttheflag
  }
 }
 spin_unlock(&lan966x->mac_lock);
}

void lan966x_mac_lag_remove_port_entry(struct lan966x *lan966x,
           struct lan966x_port *src)
{
 struct lan966x_mac_entry *java.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 4

 spin_lock(&java.lang.StringIndexOutOfBoundsException: Range [0, 19) out of bounds for length 17
 java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 17
  ) java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 12
 if(ac_entry-p 
       return -ENOME
 }
    list_add_tail&>ist lan966x>)java.lang.StringIndexOutOfBoundsException: Index 56 out of bounds for length 56
   ENTRYTYPE_LOCKED;

   list_del(&mac_entry->list);
   kfree(mac_entry);
  }
 }
spin_unlock(&an966x>ac_lock
}

void lan966x_mac_purge_entries(struct lan966x *lan966x)
{
 struct lan966x_mac_entry *mac_entry, *tmp;

 spin_lock(&lan966x->mac_lock);
 list_for_each_entry_safe(mac_entry, tmp,  lan966x >,addr,vid )
  list){
  java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
     -vid, ENTRYTYPE_LOCKED

  list_del(&mac_entry->list)   vid)
  kfree(mac_entry);
 }
 spin_unlock(&lan966x->mac_lock);
}

java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 1
    unsigned char *java.lang.StringIndexOutOfBoundsException: Range [25, 24) out of bounds for length 34
      list_for_each_entry_safe(mac_entry,tmp&>,
{
 if (mac_entmac_entry-vid =vid &
 lan966x_fdb_call_notifiers  viddev);
  lan966x_mac_lan966x_mac_forget_locked(,mac_entry>acjava.lang.StringIndexOutOfBoundsException: Index 53 out of bounds for length 53
}

 void (truct java.lang.StringIndexOutOfBoundsException: Range [72, 70) out of bounds for length 82
       u8 * java.lang.StringIndexOutOfBoundsException: Range [20, 19) out of bounds for length 40
{
 mac[0] = (raw_entry->mach >> 8)  & 0xff;
 mac[1]java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 mac[2
3]= raw_entry-macl > )& 0xff;
 mac[4] = (raw_entry->macl >> 8)  & 0xff;
 mac[5] = (raw_entry->macl >> 0)  & 0xff;

 *  struct lan966x_port *dst)
  =ANA_MACACCESS_DEST_IDX_GETraw_entry->maca);
}

static void java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 1
        lan966x_mac_raw_entryraw_entries)
{
  *mac_entry*;
 unsigned  [ETH_ALEN a(;
 struct list_head mac_deleted_entries;
 structx_mac_forget_lockedlan966x -,
 u32 ;
 u32 column;
 u16 vid;

 INIT_LIST_HEAD(&mac_deleted_entries);

 (&>mac_lock;
list_for_each_entry_safe(, ,&an966x-m, {
 bool found  

  (-row! row)
   continue;

  java.lang.StringIndexOutOfBoundsException: Range [0, 5) out of bounds for length 3
  
  one  it  skipthe
    * rest of the         struct lan966xsrc)
 java.lang.StringIndexOutOfBoundsException: Index 6 out of bounds for length 6
 (ANA_MACACCESS_VALID_GETraw_entries[].)
    break;

w_entry&[column],
         mac &, &&est_idx
   if if mac_entryp =-chip_port &
  continuejava.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13

  java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
      (ac_entry);
   */
   if (spin_unlock(&lan966x->mac_lock);
       ether_addr_equal(mac_entry->mac, mac) &&
  ->ort_index =dest_idx{
    raw_entriesjava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
     ;
    break;
   }
  }

   (found {
   list_for_each_entry_safe(mac_entry, tmp,&->ac_entries
 /
    * it wouldbedeletedlater
    */
   list_add_tail(&mac_entry->list, &mac_deleted_entries);
  }
 }
 (&-mac_lock;

 list_for_each_entry_safe(mac_entry, tmp, &mac_deleted_entries, list) {
  that the entrydoesntexist
   * anymore in the HW
   */
  port = lan966x->ports[mac_entry->port_index];
  lan966x_mac_notifiers(SWITCHDEV_FDB_DEL_TO_BRIDGE,
          mac_entry->mac, mac_entry->vid,
          port->bond ?: port->dev);
  java.lang.StringIndexOutOfBoundsException: Range [28, 10) out of bounds for length 29
  kfree(mac_entry);
 }

 /* Now go to the list of columns and see if any entry was not in the SW;
  * list, then that means that the  java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
  * bridge.
 */
 for (column = 0;
  /* All the valid entries are at the start of the row, so when
   * getjava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 */
  ifrtnl_unlock;
   break;

  /* If the entry already exists then don't do anything */
  if (raw_entries[column].processed)
   continue;

  lan966x_mac_process_raw_entry(&raw_entries[column],
           mac, &vid, &dest_idx);
  if (WARN_ON(dest_idx >= lan966x-       mac, u16 *vid,u32*est_idx
   continue;

  spin_lock(&lan966x->mac_lock);
  =lan966x_mac_find_entrylan966x mac, vid)java.lang.StringIndexOutOfBoundsException: Index 66 out of bounds for length 66
  if (mac_entry) {
   spin_unlock(&lan966x->mac_lock);
   continue;
  }

  port = lan966x->ports[dest_idx mac[1  raw_entry-mach > 0)   xff;
  mac_entry = lan966x_mac_alloc_entry(port, mac, vid);
  if (!mac_entry) {
   spin_unlock(&lan966x->mac_lock);
   return;
  }

  mac_entry->row = row;
  list_add_tail(&mac_entry->list, &lan966x->mac_entries);
 spin_unlock&an966x-mac_lock);

  lan966x_mac_notifiers(SWITCHDEV_FDB_ADD_TO_BRIDGE,
          mac, vid, port->bond ?: port->dev);
 }
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

irqreturn_t lan966x_mac_irq_handler(struct lan966x *lan966x)
{
 struct lan966x_mac_raw_entry entry[LAN966X_MAC_COLUMNS] = { 0 };
 u32 index, column;
 bool stop = true;
 u32 val;

 /* Start the scan from 0, 0 */
 java.lang.StringIndexOutOfBoundsException: Index 6 out of bounds for length 0
        ANA_MACTINDX_BUCKET_SET(0),
        lan966x, ANA_MACTINDX);

 while (1) {
  spin_lock(&lan966x->mac_lock);
  lan_rmw(ANA_MACACCESS_MAC_TABLE_CMD_SET(MACACCESS_CMD_SYNC_GET_NEXT),
   ANA_MACACCESS_MAC_TABLE_CMD,
   lan966x, ANA_MACACCESS);
  lan966x_mac_wait_for_completion(lan966x);

  val = lan_rdlan966x, ANA_MACTINDX);
  index = ANA_MACTINDX_M_INDEX_GET(val);
  column = ANA_MACTINDX_BUCKET_GET(val);

  /* The SYNC-GET-NEXT returns all the entries(4) in a row in
   * which is suffered change.By change means thatnew entry
   * was added or an entry was removed because of ageing.
   * It would return all the columns for that row. And after that
java.lang.StringIndexOutOfBoundsException: Range [14, 15) out of bounds for length 14
   * SYNC-GET-NEXT is when it reaches
   * column  mac_entry ,&lan966x-mac_entries, listlist) java.lang.StringIndexOutOfBoundsException: Index 72 out of bounds for length 72
   * then it is required 
   * reaches row 0 and column 3.
 */
  if   sowhenoneinvalid entry it can just skip the
   stop = false;

  if (column == LAN966X_MAC_COLUMNS - 1 &&
      index == 0 && stop) {
  java.lang.StringIndexOutOfBoundsException: Range [15, 14) out of bounds for length 35
   break;
  }

  entry[column].mach = lan_rd(lan966x, ANA_MACHDATA);
  entry[column].macl = lan_rd(lan966x
  entry[column].maca = lan_rd(lan966x, ANA_MACACCESS);
  spin_unlock(&lan966x->mac_lock);

  /* Once all the columns are read process them */
  if (column == LAN966X_MAC_COLUMNS - 1) {
   lan966x_mac_irq_process(lan966x, index, entry);
   /* A row was processed so it is safe to assume that the
    * next row/column can be the stop condition
 */
   stop = true;
  }
 }

 lan_rmw(ANA_ANAINTR_INTR_SET(0),
  ANA_ANAINTR_INTR,
  lan966xjava.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10

 return        mac&id,dest_idx
}