mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2025-04-04 18:57:57 +07:00
[ATM]: [lec] indent, comment and whitespace cleanup
Signed-off-by: Chas Williams <chas@cmf.nrl.navy.mil> Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Chas Williams
David S. Miller
parent
f236218b72
commit
d44f77466c
349
net/atm/lec.c
349
net/atm/lec.c
@ -1,7 +1,7 @@
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/*
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* lec.c: Lan Emulation driver
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* Marko Kiiskila mkiiskila@yahoo.com
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*
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* Marko Kiiskila <mkiiskila@yahoo.com>
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*/
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#include <linux/kernel.h>
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@ -38,7 +38,7 @@
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#include <linux/if_bridge.h>
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#include "../bridge/br_private.h"
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static unsigned char bridge_ula_lec[] = {0x01, 0x80, 0xc2, 0x00, 0x00};
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static unsigned char bridge_ula_lec[] = { 0x01, 0x80, 0xc2, 0x00, 0x00 };
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#endif
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/* Modular too */
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@ -55,29 +55,32 @@ static unsigned char bridge_ula_lec[] = {0x01, 0x80, 0xc2, 0x00, 0x00};
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#define DPRINTK(format,args...)
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#endif
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#define DUMP_PACKETS 0 /* 0 = None,
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#define DUMP_PACKETS 0 /*
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* 0 = None,
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* 1 = 30 first bytes
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* 2 = Whole packet
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*/
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#define LEC_UNRES_QUE_LEN 8 /* number of tx packets to queue for a
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single destination while waiting for SVC */
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#define LEC_UNRES_QUE_LEN 8 /*
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* number of tx packets to queue for a
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* single destination while waiting for SVC
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*/
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static int lec_open(struct net_device *dev);
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static int lec_start_xmit(struct sk_buff *skb, struct net_device *dev);
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static int lec_close(struct net_device *dev);
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static struct net_device_stats *lec_get_stats(struct net_device *dev);
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static void lec_init(struct net_device *dev);
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static struct lec_arp_table* lec_arp_find(struct lec_priv *priv,
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static struct lec_arp_table *lec_arp_find(struct lec_priv *priv,
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unsigned char *mac_addr);
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static int lec_arp_remove(struct lec_priv *priv,
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struct lec_arp_table *to_remove);
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/* LANE2 functions */
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static void lane2_associate_ind (struct net_device *dev, u8 *mac_address,
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static void lane2_associate_ind(struct net_device *dev, u8 *mac_address,
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u8 *tlvs, u32 sizeoftlvs);
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static int lane2_resolve(struct net_device *dev, u8 *dst_mac, int force,
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u8 **tlvs, u32 *sizeoftlvs);
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static int lane2_associate_req (struct net_device *dev, u8 *lan_dst,
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static int lane2_associate_req(struct net_device *dev, u8 *lan_dst,
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u8 *tlvs, u32 sizeoftlvs);
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static int lec_addr_delete(struct lec_priv *priv, unsigned char *atm_addr,
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@ -86,7 +89,7 @@ static void lec_arp_check_empties(struct lec_priv *priv,
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struct atm_vcc *vcc, struct sk_buff *skb);
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static void lec_arp_destroy(struct lec_priv *priv);
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static void lec_arp_init(struct lec_priv *priv);
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static struct atm_vcc* lec_arp_resolve(struct lec_priv *priv,
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static struct atm_vcc *lec_arp_resolve(struct lec_priv *priv,
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unsigned char *mac_to_find,
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int is_rdesc,
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struct lec_arp_table **ret_entry);
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@ -100,7 +103,8 @@ static void lec_set_flush_tran_id(struct lec_priv *priv,
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unsigned long tran_id);
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static void lec_vcc_added(struct lec_priv *priv, struct atmlec_ioc *ioc_data,
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struct atm_vcc *vcc,
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void (*old_push)(struct atm_vcc *vcc, struct sk_buff *skb));
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void (*old_push) (struct atm_vcc *vcc,
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struct sk_buff *skb));
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static void lec_vcc_close(struct lec_priv *priv, struct atm_vcc *vcc);
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static struct lane2_ops lane2_ops = {
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@ -109,7 +113,7 @@ static struct lane2_ops lane2_ops = {
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NULL /* associate indicator, spec 3.1.5 */
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};
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static unsigned char bus_mac[ETH_ALEN] = {0xff,0xff,0xff,0xff,0xff,0xff};
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static unsigned char bus_mac[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
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/* Device structures */
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static struct net_device *dev_lec[MAX_LEC_ITF];
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@ -121,9 +125,11 @@ static void lec_handle_bridge(struct sk_buff *skb, struct net_device *dev)
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char *buff;
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struct lec_priv *priv;
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/* Check if this is a BPDU. If so, ask zeppelin to send
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/*
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* Check if this is a BPDU. If so, ask zeppelin to send
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* LE_TOPOLOGY_REQUEST with the same value of Topology Change bit
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* as the Config BPDU has */
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* as the Config BPDU has
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*/
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eth = (struct ethhdr *)skb->data;
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buff = skb->data + skb->dev->hard_header_len;
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if (*buff++ == 0x42 && *buff++ == 0x42 && *buff++ == 0x03) {
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@ -132,7 +138,8 @@ static void lec_handle_bridge(struct sk_buff *skb, struct net_device *dev)
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struct atmlec_msg *mesg;
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skb2 = alloc_skb(sizeof(struct atmlec_msg), GFP_ATOMIC);
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if (skb2 == NULL) return;
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if (skb2 == NULL)
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return;
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skb2->len = sizeof(struct atmlec_msg);
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mesg = (struct atmlec_msg *)skb2->data;
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mesg->type = l_topology_change;
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@ -166,26 +173,25 @@ static unsigned char *get_tr_dst(unsigned char *packet, unsigned char *rdesc)
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int riflen, num_rdsc;
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trh = (struct trh_hdr *)packet;
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if (trh->daddr[0] & (uint8_t)0x80)
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if (trh->daddr[0] & (uint8_t) 0x80)
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return bus_mac; /* multicast */
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if (trh->saddr[0] & TR_RII) {
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riflen = (ntohs(trh->rcf) & TR_RCF_LEN_MASK) >> 8;
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if ((ntohs(trh->rcf) >> 13) != 0)
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return bus_mac; /* ARE or STE */
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}
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else
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} else
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return trh->daddr; /* not source routed */
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if (riflen < 6)
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return trh->daddr; /* last hop, source routed */
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/* riflen is 6 or more, packet has more than one route descriptor */
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num_rdsc = (riflen/2) - 1;
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num_rdsc = (riflen / 2) - 1;
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memset(rdesc, 0, ETH_ALEN);
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/* offset 4 comes from LAN destination field in LE control frames */
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if (trh->rcf & htons((uint16_t)TR_RCF_DIR_BIT))
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memcpy(&rdesc[4], &trh->rseg[num_rdsc-2], sizeof(uint16_t));
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if (trh->rcf & htons((uint16_t) TR_RCF_DIR_BIT))
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memcpy(&rdesc[4], &trh->rseg[num_rdsc - 2], sizeof(uint16_t));
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else {
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memcpy(&rdesc[4], &trh->rseg[1], sizeof(uint16_t));
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rdesc[5] = ((ntohs(trh->rseg[0]) & 0x000f) | (rdesc[5] & 0xf0));
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@ -204,13 +210,12 @@ static unsigned char *get_tr_dst(unsigned char *packet, unsigned char *rdesc)
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* there is non-reboot way to recover if something goes wrong.
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*/
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static int
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lec_open(struct net_device *dev)
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static int lec_open(struct net_device *dev)
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{
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struct lec_priv *priv = (struct lec_priv *)dev->priv;
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netif_start_queue(dev);
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memset(&priv->stats,0,sizeof(struct net_device_stats));
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memset(&priv->stats, 0, sizeof(struct net_device_stats));
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return 0;
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}
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@ -231,16 +236,14 @@ lec_send(struct atm_vcc *vcc, struct sk_buff *skb, struct lec_priv *priv)
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priv->stats.tx_bytes += skb->len;
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}
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static void
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lec_tx_timeout(struct net_device *dev)
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static void lec_tx_timeout(struct net_device *dev)
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{
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printk(KERN_INFO "%s: tx timeout\n", dev->name);
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dev->trans_start = jiffies;
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netif_wake_queue(dev);
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}
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static int
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lec_start_xmit(struct sk_buff *skb, struct net_device *dev)
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static int lec_start_xmit(struct sk_buff *skb, struct net_device *dev)
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{
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struct sk_buff *skb2;
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struct lec_priv *priv = (struct lec_priv *)dev->priv;
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@ -255,12 +258,12 @@ lec_start_xmit(struct sk_buff *skb, struct net_device *dev)
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int is_rdesc;
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#if DUMP_PACKETS > 0
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char buf[300];
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int i=0;
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int i = 0;
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#endif /* DUMP_PACKETS >0 */
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DPRINTK("lec_start_xmit called\n");
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if (!priv->lecd) {
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printk("%s:No lecd attached\n",dev->name);
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printk("%s:No lecd attached\n", dev->name);
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priv->stats.tx_errors++;
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netif_stop_queue(dev);
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return -EUNATCH;
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@ -280,22 +283,26 @@ lec_start_xmit(struct sk_buff *skb, struct net_device *dev)
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DPRINTK("lec_start_xmit: reallocating skb\n");
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skb2 = skb_realloc_headroom(skb, LEC_HEADER_LEN);
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kfree_skb(skb);
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if (skb2 == NULL) return 0;
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if (skb2 == NULL)
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return 0;
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skb = skb2;
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}
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skb_push(skb, 2);
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/* Put le header to place, works for TokenRing too */
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lec_h = (struct lecdatahdr_8023*)skb->data;
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lec_h = (struct lecdatahdr_8023 *)skb->data;
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lec_h->le_header = htons(priv->lecid);
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#ifdef CONFIG_TR
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/* Ugly. Use this to realign Token Ring packets for
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* e.g. PCA-200E driver. */
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/*
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* Ugly. Use this to realign Token Ring packets for
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* e.g. PCA-200E driver.
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*/
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if (priv->is_trdev) {
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skb2 = skb_realloc_headroom(skb, LEC_HEADER_LEN);
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kfree_skb(skb);
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if (skb2 == NULL) return 0;
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if (skb2 == NULL)
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return 0;
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skb = skb2;
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}
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#endif
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@ -304,18 +311,18 @@ lec_start_xmit(struct sk_buff *skb, struct net_device *dev)
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printk("%s: send datalen:%ld lecid:%4.4x\n", dev->name,
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skb->len, priv->lecid);
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#if DUMP_PACKETS >= 2
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for(i=0;i<skb->len && i <99;i++) {
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sprintf(buf+i*3,"%2.2x ",0xff&skb->data[i]);
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for (i = 0; i < skb->len && i < 99; i++) {
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sprintf(buf + i * 3, "%2.2x ", 0xff & skb->data[i]);
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}
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#elif DUMP_PACKETS >= 1
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for(i=0;i<skb->len && i < 30;i++) {
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sprintf(buf+i*3,"%2.2x ", 0xff&skb->data[i]);
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for (i = 0; i < skb->len && i < 30; i++) {
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sprintf(buf + i * 3, "%2.2x ", 0xff & skb->data[i]);
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}
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#endif /* DUMP_PACKETS >= 1 */
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if (i==skb->len)
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printk("%s\n",buf);
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if (i == skb->len)
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printk("%s\n", buf);
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else
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printk("%s...\n",buf);
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printk("%s...\n", buf);
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#endif /* DUMP_PACKETS > 0 */
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/* Minimum ethernet-frame size */
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@ -328,7 +335,8 @@ lec_start_xmit(struct sk_buff *skb, struct net_device *dev)
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if (skb->len < min_frame_size) {
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if ((skb->len + skb_tailroom(skb)) < min_frame_size) {
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skb2 = skb_copy_expand(skb, 0,
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min_frame_size - skb->truesize, GFP_ATOMIC);
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min_frame_size - skb->truesize,
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GFP_ATOMIC);
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dev_kfree_skb(skb);
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if (skb2 == NULL) {
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priv->stats.tx_dropped++;
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@ -344,7 +352,7 @@ lec_start_xmit(struct sk_buff *skb, struct net_device *dev)
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dst = lec_h->h_dest;
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#ifdef CONFIG_TR
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if (priv->is_trdev) {
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dst = get_tr_dst(skb->data+2, rdesc);
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dst = get_tr_dst(skb->data + 2, rdesc);
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if (dst == NULL) {
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dst = rdesc;
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is_rdesc = 1;
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@ -354,28 +362,31 @@ lec_start_xmit(struct sk_buff *skb, struct net_device *dev)
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entry = NULL;
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vcc = lec_arp_resolve(priv, dst, is_rdesc, &entry);
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DPRINTK("%s:vcc:%p vcc_flags:%x, entry:%p\n", dev->name,
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vcc, vcc?vcc->flags:0, entry);
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if (!vcc || !test_bit(ATM_VF_READY,&vcc->flags)) {
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vcc, vcc ? vcc->flags : 0, entry);
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if (!vcc || !test_bit(ATM_VF_READY, &vcc->flags)) {
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if (entry && (entry->tx_wait.qlen < LEC_UNRES_QUE_LEN)) {
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DPRINTK("%s:lec_start_xmit: queuing packet, ", dev->name);
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DPRINTK("%s:lec_start_xmit: queuing packet, ",
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dev->name);
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DPRINTK("MAC address 0x%02x:%02x:%02x:%02x:%02x:%02x\n",
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lec_h->h_dest[0], lec_h->h_dest[1], lec_h->h_dest[2],
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lec_h->h_dest[3], lec_h->h_dest[4], lec_h->h_dest[5]);
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lec_h->h_dest[0], lec_h->h_dest[1],
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lec_h->h_dest[2], lec_h->h_dest[3],
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lec_h->h_dest[4], lec_h->h_dest[5]);
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skb_queue_tail(&entry->tx_wait, skb);
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} else {
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DPRINTK("%s:lec_start_xmit: tx queue full or no arp entry, dropping, ", dev->name);
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DPRINTK
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("%s:lec_start_xmit: tx queue full or no arp entry, dropping, ",
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dev->name);
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DPRINTK("MAC address 0x%02x:%02x:%02x:%02x:%02x:%02x\n",
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lec_h->h_dest[0], lec_h->h_dest[1], lec_h->h_dest[2],
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lec_h->h_dest[3], lec_h->h_dest[4], lec_h->h_dest[5]);
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lec_h->h_dest[0], lec_h->h_dest[1],
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lec_h->h_dest[2], lec_h->h_dest[3],
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lec_h->h_dest[4], lec_h->h_dest[5]);
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priv->stats.tx_dropped++;
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dev_kfree_skb(skb);
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}
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return 0;
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}
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#if DUMP_PACKETS > 0
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printk("%s:sending to vpi:%d vci:%d\n", dev->name,
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vcc->vpi, vcc->vci);
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printk("%s:sending to vpi:%d vci:%d\n", dev->name, vcc->vpi, vcc->vci);
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#endif /* DUMP_PACKETS > 0 */
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while (entry && (skb2 = skb_dequeue(&entry->tx_wait))) {
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@ -409,8 +420,7 @@ lec_start_xmit(struct sk_buff *skb, struct net_device *dev)
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}
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/* The inverse routine to net_open(). */
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static int
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lec_close(struct net_device *dev)
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static int lec_close(struct net_device *dev)
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{
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netif_stop_queue(dev);
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return 0;
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@ -420,18 +430,16 @@ lec_close(struct net_device *dev)
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* Get the current statistics.
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* This may be called with the card open or closed.
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*/
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static struct net_device_stats *
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lec_get_stats(struct net_device *dev)
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static struct net_device_stats *lec_get_stats(struct net_device *dev)
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{
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return &((struct lec_priv *)dev->priv)->stats;
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}
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static int
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lec_atm_send(struct atm_vcc *vcc, struct sk_buff *skb)
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static int lec_atm_send(struct atm_vcc *vcc, struct sk_buff *skb)
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{
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unsigned long flags;
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struct net_device *dev = (struct net_device*)vcc->proto_data;
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struct lec_priv *priv = (struct lec_priv*)dev->priv;
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struct net_device *dev = (struct net_device *)vcc->proto_data;
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struct lec_priv *priv = (struct lec_priv *)dev->priv;
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struct atmlec_msg *mesg;
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struct lec_arp_table *entry;
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int i;
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@ -442,14 +450,14 @@ lec_atm_send(struct atm_vcc *vcc, struct sk_buff *skb)
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tmp = skb->data;
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tmp += sizeof(struct atmlec_msg);
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DPRINTK("%s: msg from zeppelin:%d\n", dev->name, mesg->type);
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switch(mesg->type) {
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switch (mesg->type) {
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case l_set_mac_addr:
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for (i=0;i<6;i++) {
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for (i = 0; i < 6; i++) {
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dev->dev_addr[i] = mesg->content.normal.mac_addr[i];
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}
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break;
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case l_del_mac_addr:
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for(i=0;i<6;i++) {
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for (i = 0; i < 6; i++) {
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dev->dev_addr[i] = 0;
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}
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break;
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@ -479,9 +487,9 @@ lec_atm_send(struct atm_vcc *vcc, struct sk_buff *skb)
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mesg->content.normal.targetless_le_arp);
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DPRINTK("lec: in l_arp_update\n");
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if (mesg->sizeoftlvs != 0) { /* LANE2 3.1.5 */
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DPRINTK("lec: LANE2 3.1.5, got tlvs, size %d\n", mesg->sizeoftlvs);
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lane2_associate_ind(dev,
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mesg->content.normal.mac_addr,
|
||||
DPRINTK("lec: LANE2 3.1.5, got tlvs, size %d\n",
|
||||
mesg->sizeoftlvs);
|
||||
lane2_associate_ind(dev, mesg->content.normal.mac_addr,
|
||||
tmp, mesg->sizeoftlvs);
|
||||
}
|
||||
break;
|
||||
@ -489,17 +497,16 @@ lec_atm_send(struct atm_vcc *vcc, struct sk_buff *skb)
|
||||
priv->maximum_unknown_frame_count =
|
||||
mesg->content.config.maximum_unknown_frame_count;
|
||||
priv->max_unknown_frame_time =
|
||||
(mesg->content.config.max_unknown_frame_time*HZ);
|
||||
priv->max_retry_count =
|
||||
mesg->content.config.max_retry_count;
|
||||
priv->aging_time = (mesg->content.config.aging_time*HZ);
|
||||
(mesg->content.config.max_unknown_frame_time * HZ);
|
||||
priv->max_retry_count = mesg->content.config.max_retry_count;
|
||||
priv->aging_time = (mesg->content.config.aging_time * HZ);
|
||||
priv->forward_delay_time =
|
||||
(mesg->content.config.forward_delay_time*HZ);
|
||||
(mesg->content.config.forward_delay_time * HZ);
|
||||
priv->arp_response_time =
|
||||
(mesg->content.config.arp_response_time*HZ);
|
||||
priv->flush_timeout = (mesg->content.config.flush_timeout*HZ);
|
||||
(mesg->content.config.arp_response_time * HZ);
|
||||
priv->flush_timeout = (mesg->content.config.flush_timeout * HZ);
|
||||
priv->path_switching_delay =
|
||||
(mesg->content.config.path_switching_delay*HZ);
|
||||
(mesg->content.config.path_switching_delay * HZ);
|
||||
priv->lane_version = mesg->content.config.lane_version; /* LANE2 */
|
||||
priv->lane2_ops = NULL;
|
||||
if (priv->lane_version > 1)
|
||||
@ -514,45 +521,56 @@ lec_atm_send(struct atm_vcc *vcc, struct sk_buff *skb)
|
||||
mesg->content.normal.flag);
|
||||
break;
|
||||
case l_set_lecid:
|
||||
priv->lecid=(unsigned short)(0xffff&mesg->content.normal.flag);
|
||||
priv->lecid =
|
||||
(unsigned short)(0xffff & mesg->content.normal.flag);
|
||||
break;
|
||||
case l_should_bridge: {
|
||||
case l_should_bridge:
|
||||
#if defined(CONFIG_BRIDGE) || defined(CONFIG_BRIDGE_MODULE)
|
||||
{
|
||||
struct net_bridge_fdb_entry *f;
|
||||
|
||||
DPRINTK("%s: bridge zeppelin asks about 0x%02x:%02x:%02x:%02x:%02x:%02x\n",
|
||||
dev->name,
|
||||
mesg->content.proxy.mac_addr[0], mesg->content.proxy.mac_addr[1],
|
||||
mesg->content.proxy.mac_addr[2], mesg->content.proxy.mac_addr[3],
|
||||
mesg->content.proxy.mac_addr[4], mesg->content.proxy.mac_addr[5]);
|
||||
DPRINTK
|
||||
("%s: bridge zeppelin asks about 0x%02x:%02x:%02x:%02x:%02x:%02x\n",
|
||||
dev->name, mesg->content.proxy.mac_addr[0],
|
||||
mesg->content.proxy.mac_addr[1],
|
||||
mesg->content.proxy.mac_addr[2],
|
||||
mesg->content.proxy.mac_addr[3],
|
||||
mesg->content.proxy.mac_addr[4],
|
||||
mesg->content.proxy.mac_addr[5]);
|
||||
|
||||
if (br_fdb_get_hook == NULL || dev->br_port == NULL)
|
||||
break;
|
||||
|
||||
f = br_fdb_get_hook(dev->br_port->br, mesg->content.proxy.mac_addr);
|
||||
if (f != NULL &&
|
||||
f->dst->dev != dev &&
|
||||
f->dst->state == BR_STATE_FORWARDING) {
|
||||
f = br_fdb_get_hook(dev->br_port->br,
|
||||
mesg->content.proxy.mac_addr);
|
||||
if (f != NULL && f->dst->dev != dev
|
||||
&& f->dst->state == BR_STATE_FORWARDING) {
|
||||
/* hit from bridge table, send LE_ARP_RESPONSE */
|
||||
struct sk_buff *skb2;
|
||||
struct sock *sk;
|
||||
|
||||
DPRINTK("%s: entry found, responding to zeppelin\n", dev->name);
|
||||
skb2 = alloc_skb(sizeof(struct atmlec_msg), GFP_ATOMIC);
|
||||
DPRINTK
|
||||
("%s: entry found, responding to zeppelin\n",
|
||||
dev->name);
|
||||
skb2 =
|
||||
alloc_skb(sizeof(struct atmlec_msg),
|
||||
GFP_ATOMIC);
|
||||
if (skb2 == NULL) {
|
||||
br_fdb_put_hook(f);
|
||||
break;
|
||||
}
|
||||
skb2->len = sizeof(struct atmlec_msg);
|
||||
memcpy(skb2->data, mesg, sizeof(struct atmlec_msg));
|
||||
memcpy(skb2->data, mesg,
|
||||
sizeof(struct atmlec_msg));
|
||||
atm_force_charge(priv->lecd, skb2->truesize);
|
||||
sk = sk_atm(priv->lecd);
|
||||
skb_queue_tail(&sk->sk_receive_queue, skb2);
|
||||
sk->sk_data_ready(sk, skb2->len);
|
||||
}
|
||||
if (f != NULL) br_fdb_put_hook(f);
|
||||
#endif /* defined(CONFIG_BRIDGE) || defined(CONFIG_BRIDGE_MODULE) */
|
||||
if (f != NULL)
|
||||
br_fdb_put_hook(f);
|
||||
}
|
||||
#endif /* defined(CONFIG_BRIDGE) || defined(CONFIG_BRIDGE_MODULE) */
|
||||
break;
|
||||
default:
|
||||
printk("%s: Unknown message type %d\n", dev->name, mesg->type);
|
||||
@ -563,8 +581,7 @@ lec_atm_send(struct atm_vcc *vcc, struct sk_buff *skb)
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void
|
||||
lec_atm_close(struct atm_vcc *vcc)
|
||||
static void lec_atm_close(struct atm_vcc *vcc)
|
||||
{
|
||||
struct sk_buff *skb;
|
||||
struct net_device *dev = (struct net_device *)vcc->proto_data;
|
||||
@ -658,14 +675,14 @@ static int lec_change_mtu(struct net_device *dev, int new_mtu)
|
||||
|
||||
static void lec_set_multicast_list(struct net_device *dev)
|
||||
{
|
||||
/* by default, all multicast frames arrive over the bus.
|
||||
/*
|
||||
* by default, all multicast frames arrive over the bus.
|
||||
* eventually support selective multicast service
|
||||
*/
|
||||
return;
|
||||
}
|
||||
|
||||
static void
|
||||
lec_init(struct net_device *dev)
|
||||
static void lec_init(struct net_device *dev)
|
||||
{
|
||||
dev->change_mtu = lec_change_mtu;
|
||||
dev->open = lec_open;
|
||||
@ -676,7 +693,7 @@ lec_init(struct net_device *dev)
|
||||
dev->get_stats = lec_get_stats;
|
||||
dev->set_multicast_list = lec_set_multicast_list;
|
||||
dev->do_ioctl = NULL;
|
||||
printk("%s: Initialized!\n",dev->name);
|
||||
printk("%s: Initialized!\n", dev->name);
|
||||
return;
|
||||
}
|
||||
|
||||
@ -684,7 +701,8 @@ static unsigned char lec_ctrl_magic[] = {
|
||||
0xff,
|
||||
0x00,
|
||||
0x01,
|
||||
0x01 };
|
||||
0x01
|
||||
};
|
||||
|
||||
#define LEC_DATA_DIRECT_8023 2
|
||||
#define LEC_DATA_DIRECT_8025 3
|
||||
@ -695,22 +713,21 @@ static int lec_is_data_direct(struct atm_vcc *vcc)
|
||||
(vcc->sap.blli[0].l3.tr9577.snap[4] == LEC_DATA_DIRECT_8025));
|
||||
}
|
||||
|
||||
static void
|
||||
lec_push(struct atm_vcc *vcc, struct sk_buff *skb)
|
||||
static void lec_push(struct atm_vcc *vcc, struct sk_buff *skb)
|
||||
{
|
||||
unsigned long flags;
|
||||
struct net_device *dev = (struct net_device *)vcc->proto_data;
|
||||
struct lec_priv *priv = (struct lec_priv *)dev->priv;
|
||||
|
||||
#if DUMP_PACKETS >0
|
||||
int i=0;
|
||||
int i = 0;
|
||||
char buf[300];
|
||||
|
||||
printk("%s: lec_push vcc vpi:%d vci:%d\n", dev->name,
|
||||
vcc->vpi, vcc->vci);
|
||||
#endif
|
||||
if (!skb) {
|
||||
DPRINTK("%s: null skb\n",dev->name);
|
||||
DPRINTK("%s: null skb\n", dev->name);
|
||||
lec_vcc_close(priv, vcc);
|
||||
return;
|
||||
}
|
||||
@ -718,57 +735,63 @@ lec_push(struct atm_vcc *vcc, struct sk_buff *skb)
|
||||
printk("%s: rcv datalen:%ld lecid:%4.4x\n", dev->name,
|
||||
skb->len, priv->lecid);
|
||||
#if DUMP_PACKETS >= 2
|
||||
for(i=0;i<skb->len && i <99;i++) {
|
||||
sprintf(buf+i*3,"%2.2x ",0xff&skb->data[i]);
|
||||
for (i = 0; i < skb->len && i < 99; i++) {
|
||||
sprintf(buf + i * 3, "%2.2x ", 0xff & skb->data[i]);
|
||||
}
|
||||
#elif DUMP_PACKETS >= 1
|
||||
for(i=0;i<skb->len && i < 30;i++) {
|
||||
sprintf(buf+i*3,"%2.2x ", 0xff&skb->data[i]);
|
||||
for (i = 0; i < skb->len && i < 30; i++) {
|
||||
sprintf(buf + i * 3, "%2.2x ", 0xff & skb->data[i]);
|
||||
}
|
||||
#endif /* DUMP_PACKETS >= 1 */
|
||||
if (i==skb->len)
|
||||
printk("%s\n",buf);
|
||||
if (i == skb->len)
|
||||
printk("%s\n", buf);
|
||||
else
|
||||
printk("%s...\n",buf);
|
||||
printk("%s...\n", buf);
|
||||
#endif /* DUMP_PACKETS > 0 */
|
||||
if (memcmp(skb->data, lec_ctrl_magic, 4) ==0) { /* Control frame, to daemon*/
|
||||
if (memcmp(skb->data, lec_ctrl_magic, 4) == 0) { /* Control frame, to daemon */
|
||||
struct sock *sk = sk_atm(vcc);
|
||||
|
||||
DPRINTK("%s: To daemon\n",dev->name);
|
||||
DPRINTK("%s: To daemon\n", dev->name);
|
||||
skb_queue_tail(&sk->sk_receive_queue, skb);
|
||||
sk->sk_data_ready(sk, skb->len);
|
||||
} else { /* Data frame, queue to protocol handlers */
|
||||
struct lec_arp_table *entry;
|
||||
unsigned char *src, *dst;
|
||||
|
||||
atm_return(vcc,skb->truesize);
|
||||
if (*(uint16_t *)skb->data == htons(priv->lecid) ||
|
||||
!priv->lecd ||
|
||||
!(dev->flags & IFF_UP)) {
|
||||
/* Probably looping back, or if lecd is missing,
|
||||
lecd has gone down */
|
||||
atm_return(vcc, skb->truesize);
|
||||
if (*(uint16_t *) skb->data == htons(priv->lecid) ||
|
||||
!priv->lecd || !(dev->flags & IFF_UP)) {
|
||||
/*
|
||||
* Probably looping back, or if lecd is missing,
|
||||
* lecd has gone down
|
||||
*/
|
||||
DPRINTK("Ignoring frame...\n");
|
||||
dev_kfree_skb(skb);
|
||||
return;
|
||||
}
|
||||
#ifdef CONFIG_TR
|
||||
if (priv->is_trdev)
|
||||
dst = ((struct lecdatahdr_8025 *) skb->data)->h_dest;
|
||||
dst = ((struct lecdatahdr_8025 *)skb->data)->h_dest;
|
||||
else
|
||||
#endif
|
||||
dst = ((struct lecdatahdr_8023 *) skb->data)->h_dest;
|
||||
dst = ((struct lecdatahdr_8023 *)skb->data)->h_dest;
|
||||
|
||||
/* If this is a Data Direct VCC, and the VCC does not match
|
||||
/*
|
||||
* If this is a Data Direct VCC, and the VCC does not match
|
||||
* the LE_ARP cache entry, delete the LE_ARP cache entry.
|
||||
*/
|
||||
spin_lock_irqsave(&priv->lec_arp_lock, flags);
|
||||
if (lec_is_data_direct(vcc)) {
|
||||
#ifdef CONFIG_TR
|
||||
if (priv->is_trdev)
|
||||
src = ((struct lecdatahdr_8025 *) skb->data)->h_source;
|
||||
src =
|
||||
((struct lecdatahdr_8025 *)skb->data)->
|
||||
h_source;
|
||||
else
|
||||
#endif
|
||||
src = ((struct lecdatahdr_8023 *) skb->data)->h_source;
|
||||
src =
|
||||
((struct lecdatahdr_8023 *)skb->data)->
|
||||
h_source;
|
||||
entry = lec_arp_find(priv, src);
|
||||
if (entry && entry->vcc != vcc) {
|
||||
lec_arp_remove(priv, entry);
|
||||
@ -777,7 +800,7 @@ lec_push(struct atm_vcc *vcc, struct sk_buff *skb)
|
||||
}
|
||||
spin_unlock_irqrestore(&priv->lec_arp_lock, flags);
|
||||
|
||||
if (!(dst[0]&0x01) && /* Never filter Multi/Broadcast */
|
||||
if (!(dst[0] & 0x01) && /* Never filter Multi/Broadcast */
|
||||
!priv->is_proxy && /* Proxy wants all the packets */
|
||||
memcmp(dst, dev->dev_addr, dev->addr_len)) {
|
||||
dev_kfree_skb(skb);
|
||||
@ -789,7 +812,8 @@ lec_push(struct atm_vcc *vcc, struct sk_buff *skb)
|
||||
skb->dev = dev;
|
||||
skb_pull(skb, 2); /* skip lec_id */
|
||||
#ifdef CONFIG_TR
|
||||
if (priv->is_trdev) skb->protocol = tr_type_trans(skb, dev);
|
||||
if (priv->is_trdev)
|
||||
skb->protocol = tr_type_trans(skb, dev);
|
||||
else
|
||||
#endif
|
||||
skb->protocol = eth_type_trans(skb, dev);
|
||||
@ -800,8 +824,7 @@ lec_push(struct atm_vcc *vcc, struct sk_buff *skb)
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
lec_pop(struct atm_vcc *vcc, struct sk_buff *skb)
|
||||
static void lec_pop(struct atm_vcc *vcc, struct sk_buff *skb)
|
||||
{
|
||||
struct lec_vcc_priv *vpriv = LEC_VCC_PRIV(vcc);
|
||||
struct net_device *dev = skb->dev;
|
||||
@ -820,8 +843,7 @@ lec_pop(struct atm_vcc *vcc, struct sk_buff *skb)
|
||||
}
|
||||
}
|
||||
|
||||
static int
|
||||
lec_vcc_attach(struct atm_vcc *vcc, void __user *arg)
|
||||
static int lec_vcc_attach(struct atm_vcc *vcc, void __user *arg)
|
||||
{
|
||||
struct lec_vcc_priv *vpriv;
|
||||
int bytes_left;
|
||||
@ -830,7 +852,8 @@ lec_vcc_attach(struct atm_vcc *vcc, void __user *arg)
|
||||
/* Lecd must be up in this case */
|
||||
bytes_left = copy_from_user(&ioc_data, arg, sizeof(struct atmlec_ioc));
|
||||
if (bytes_left != 0) {
|
||||
printk("lec: lec_vcc_attach, copy from user failed for %d bytes\n",
|
||||
printk
|
||||
("lec: lec_vcc_attach, copy from user failed for %d bytes\n",
|
||||
bytes_left);
|
||||
}
|
||||
if (ioc_data.dev_num < 0 || ioc_data.dev_num >= MAX_LEC_ITF ||
|
||||
@ -849,23 +872,21 @@ lec_vcc_attach(struct atm_vcc *vcc, void __user *arg)
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int
|
||||
lec_mcast_attach(struct atm_vcc *vcc, int arg)
|
||||
static int lec_mcast_attach(struct atm_vcc *vcc, int arg)
|
||||
{
|
||||
if (arg <0 || arg >= MAX_LEC_ITF || !dev_lec[arg])
|
||||
if (arg < 0 || arg >= MAX_LEC_ITF || !dev_lec[arg])
|
||||
return -EINVAL;
|
||||
vcc->proto_data = dev_lec[arg];
|
||||
return (lec_mcast_make((struct lec_priv*)dev_lec[arg]->priv, vcc));
|
||||
return (lec_mcast_make((struct lec_priv *)dev_lec[arg]->priv, vcc));
|
||||
}
|
||||
|
||||
/* Initialize device. */
|
||||
static int
|
||||
lecd_attach(struct atm_vcc *vcc, int arg)
|
||||
static int lecd_attach(struct atm_vcc *vcc, int arg)
|
||||
{
|
||||
int i;
|
||||
struct lec_priv *priv;
|
||||
|
||||
if (arg<0)
|
||||
if (arg < 0)
|
||||
i = 0;
|
||||
else
|
||||
i = arg;
|
||||
@ -873,7 +894,7 @@ lecd_attach(struct atm_vcc *vcc, int arg)
|
||||
if (arg >= MAX_LEC_ITF)
|
||||
return -EINVAL;
|
||||
#else /* Reserve the top NUM_TR_DEVS for TR */
|
||||
if (arg >= (MAX_LEC_ITF-NUM_TR_DEVS))
|
||||
if (arg >= (MAX_LEC_ITF - NUM_TR_DEVS))
|
||||
return -EINVAL;
|
||||
#endif
|
||||
if (!dev_lec[i]) {
|
||||
@ -913,20 +934,20 @@ lecd_attach(struct atm_vcc *vcc, int arg)
|
||||
vcc_insert_socket(sk_atm(vcc));
|
||||
|
||||
vcc->proto_data = dev_lec[i];
|
||||
set_bit(ATM_VF_META,&vcc->flags);
|
||||
set_bit(ATM_VF_READY,&vcc->flags);
|
||||
set_bit(ATM_VF_META, &vcc->flags);
|
||||
set_bit(ATM_VF_READY, &vcc->flags);
|
||||
|
||||
/* Set default values to these variables */
|
||||
priv->maximum_unknown_frame_count = 1;
|
||||
priv->max_unknown_frame_time = (1*HZ);
|
||||
priv->vcc_timeout_period = (1200*HZ);
|
||||
priv->max_unknown_frame_time = (1 * HZ);
|
||||
priv->vcc_timeout_period = (1200 * HZ);
|
||||
priv->max_retry_count = 1;
|
||||
priv->aging_time = (300*HZ);
|
||||
priv->forward_delay_time = (15*HZ);
|
||||
priv->aging_time = (300 * HZ);
|
||||
priv->forward_delay_time = (15 * HZ);
|
||||
priv->topology_change = 0;
|
||||
priv->arp_response_time = (1*HZ);
|
||||
priv->flush_timeout = (4*HZ);
|
||||
priv->path_switching_delay = (6*HZ);
|
||||
priv->arp_response_time = (1 * HZ);
|
||||
priv->flush_timeout = (4 * HZ);
|
||||
priv->path_switching_delay = (6 * HZ);
|
||||
|
||||
if (dev_lec[i]->flags & IFF_UP) {
|
||||
netif_start_queue(dev_lec[i]);
|
||||
@ -936,7 +957,7 @@ lecd_attach(struct atm_vcc *vcc, int arg)
|
||||
}
|
||||
|
||||
#ifdef CONFIG_PROC_FS
|
||||
static char* lec_arp_get_status_string(unsigned char status)
|
||||
static char *lec_arp_get_status_string(unsigned char status)
|
||||
{
|
||||
static char *lec_arp_status_string[] = {
|
||||
"ESI_UNKNOWN ",
|
||||
@ -974,7 +995,6 @@ static void lec_info(struct seq_file *seq, struct lec_arp_table *entry)
|
||||
seq_putc(seq, '\n');
|
||||
}
|
||||
|
||||
|
||||
struct lec_state {
|
||||
unsigned long flags;
|
||||
struct lec_priv *locked;
|
||||
@ -1046,8 +1066,7 @@ static void *lec_priv_walk(struct lec_state *state, loff_t *l,
|
||||
state->locked = priv;
|
||||
spin_lock_irqsave(&priv->lec_arp_lock, state->flags);
|
||||
}
|
||||
if (!lec_arp_walk(state, l, priv) &&
|
||||
!lec_misc_walk(state, l, priv)) {
|
||||
if (!lec_arp_walk(state, l, priv) && !lec_misc_walk(state, l, priv)) {
|
||||
spin_unlock_irqrestore(&priv->lec_arp_lock, state->flags);
|
||||
state->locked = NULL;
|
||||
/* Partial state reset for the next time we get called */
|
||||
@ -1095,7 +1114,7 @@ static void *lec_seq_start(struct seq_file *seq, loff_t *pos)
|
||||
state->misc_table = 0;
|
||||
state->entry = (void *)1;
|
||||
|
||||
return *pos ? lec_get_idx(state, *pos) : (void*)1;
|
||||
return *pos ? lec_get_idx(state, *pos) : (void *)1;
|
||||
}
|
||||
|
||||
static void lec_seq_stop(struct seq_file *seq, void *v)
|
||||
@ -1200,15 +1219,15 @@ static int lane_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
|
||||
|
||||
switch (cmd) {
|
||||
case ATMLEC_CTRL:
|
||||
err = lecd_attach(vcc, (int) arg);
|
||||
err = lecd_attach(vcc, (int)arg);
|
||||
if (err >= 0)
|
||||
sock->state = SS_CONNECTED;
|
||||
break;
|
||||
case ATMLEC_MCAST:
|
||||
err = lec_mcast_attach(vcc, (int) arg);
|
||||
err = lec_mcast_attach(vcc, (int)arg);
|
||||
break;
|
||||
case ATMLEC_DATA:
|
||||
err = lec_vcc_attach(vcc, (void __user *) arg);
|
||||
err = lec_vcc_attach(vcc, (void __user *)arg);
|
||||
break;
|
||||
}
|
||||
|
||||
@ -1279,7 +1298,7 @@ static int lane2_resolve(struct net_device *dev, u8 *dst_mac, int force,
|
||||
spin_lock_irqsave(&priv->lec_arp_lock, flags);
|
||||
table = lec_arp_find(priv, dst_mac);
|
||||
spin_unlock_irqrestore(&priv->lec_arp_lock, flags);
|
||||
if(table == NULL)
|
||||
if (table == NULL)
|
||||
return -1;
|
||||
|
||||
*tlvs = kmalloc(table->sizeoftlvs, GFP_ATOMIC);
|
||||
@ -1306,7 +1325,6 @@ static int lane2_resolve(struct net_device *dev, u8 *dst_mac, int force,
|
||||
return retval;
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
* LANE2: 3.1.4, LE_ASSOCIATE.request
|
||||
* Associate the *tlvs with the *lan_dst address.
|
||||
@ -1314,12 +1332,12 @@ static int lane2_resolve(struct net_device *dev, u8 *dst_mac, int force,
|
||||
* Returns 1 for success, 0 for failure (out of memory)
|
||||
*
|
||||
*/
|
||||
static int lane2_associate_req (struct net_device *dev, u8 *lan_dst,
|
||||
static int lane2_associate_req(struct net_device *dev, u8 *lan_dst,
|
||||
u8 *tlvs, u32 sizeoftlvs)
|
||||
{
|
||||
int retval;
|
||||
struct sk_buff *skb;
|
||||
struct lec_priv *priv = (struct lec_priv*)dev->priv;
|
||||
struct lec_priv *priv = (struct lec_priv *)dev->priv;
|
||||
|
||||
if (compare_ether_addr(lan_dst, dev->dev_addr))
|
||||
return (0); /* not our mac address */
|
||||
@ -1340,7 +1358,8 @@ static int lane2_associate_req (struct net_device *dev, u8 *lan_dst,
|
||||
retval = send_to_lecd(priv, l_associate_req, NULL, NULL, skb);
|
||||
if (retval != 0)
|
||||
printk("lec.c: lane2_associate_req() failed\n");
|
||||
/* If the previous association has changed we must
|
||||
/*
|
||||
* If the previous association has changed we must
|
||||
* somehow notify other LANE entities about the change
|
||||
*/
|
||||
return (1);
|
||||
@ -1350,15 +1369,19 @@ static int lane2_associate_req (struct net_device *dev, u8 *lan_dst,
|
||||
* LANE2: 3.1.5, LE_ASSOCIATE.indication
|
||||
*
|
||||
*/
|
||||
static void lane2_associate_ind (struct net_device *dev, u8 *mac_addr,
|
||||
static void lane2_associate_ind(struct net_device *dev, u8 *mac_addr,
|
||||
u8 *tlvs, u32 sizeoftlvs)
|
||||
{
|
||||
#if 0
|
||||
int i = 0;
|
||||
#endif
|
||||
struct lec_priv *priv = (struct lec_priv *)dev->priv;
|
||||
#if 0 /* Why have the TLVs in LE_ARP entries since we do not use them? When you
|
||||
uncomment this code, make sure the TLVs get freed when entry is killed */
|
||||
#if 0 /*
|
||||
* Why have the TLVs in LE_ARP entries
|
||||
* since we do not use them? When you
|
||||
* uncomment this code, make sure the
|
||||
* TLVs get freed when entry is killed
|
||||
*/
|
||||
struct lec_arp_table *entry = lec_arp_find(priv, mac_addr);
|
||||
|
||||
if (entry == NULL)
|
||||
|
||||
Loading…
Reference in New Issue
Block a user