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massive via-rhine performance improvements
[openwrt.git] / target / linux / generic-2.4 / patches / 226-atm_br2684.patch
diff --git a/target/linux/generic-2.4/patches/226-atm_br2684.patch b/target/linux/generic-2.4/patches/226-atm_br2684.patch
index 3b01533..56f0015 100644 (file)
--- a/target/linux/generic-2.4/patches/226-atm_br2684.patch
+++ b/target/linux/generic-2.4/patches/226-atm_br2684.patch
@@ -1,20 +1,7 @@
-diff -Nur linux.old/net/atm/br2684.c linux.new/net/atm/br2684.c
---- linux.old/net/atm/br2684.c 2004-08-08 01:26:06.000000000 +0200
-+++ linux.new/net/atm/br2684.c 2005-11-13 00:04:15.000000000 +0100
-@@ -16,12 +16,9 @@
- #include <linux/ip.h>
- #include <asm/uaccess.h>
- #include <net/arp.h>
--#include <linux/atm.h>
--#include <linux/atmdev.h>
- 
- #include <linux/atmbr2684.h>
- 
--#include "common.h"
- #include "ipcommon.h"
- 
- /*
-@@ -55,36 +52,57 @@
+diff -urN linux-2.4.32/net/atm/br2684.c linux-2.4.32.new/net/atm/br2684.c
+--- linux-2.4.32/net/atm/br2684.c      2004-08-08 01:26:06.000000000 +0200
++++ linux-2.4.32.new/net/atm/br2684.c  2006-02-06 18:59:40.000000000 +0100
+@@ -55,36 +55,55 @@
  #define skb_debug(skb)        do {} while (0)
  #endif
  
  #define skb_debug(skb)        do {} while (0)
  #endif
  
@@ -46,8 +33,6 @@ diff -Nur linux.old/net/atm/br2684.c linux.new/net/atm/br2684.c
        e_llc = BR2684_ENCAPS_LLC,
  };
  
        e_llc = BR2684_ENCAPS_LLC,
  };
  
-+
-+
  struct br2684_vcc {
 -      struct atm_vcc  *atmvcc;
 +      struct atm_vcc *atmvcc;
  struct br2684_vcc {
 -      struct atm_vcc  *atmvcc;
 +      struct atm_vcc *atmvcc;
@@ -78,7 +63,7 @@ diff -Nur linux.old/net/atm/br2684.c linux.new/net/atm/br2684.c
        struct net_device_stats stats;
        int mac_was_set;
  };
        struct net_device_stats stats;
        int mac_was_set;
  };
-@@ -173,24 +197,84 @@
+@@ -173,24 +192,84 @@
                }
                skb = skb2;
        }
                }
                skb = skb2;
        }
@@ -174,7 +159,7 @@ diff -Nur linux.old/net/atm/br2684.c linux.new/net/atm/br2684.c
        atomic_add(skb->truesize, &atmvcc->sk->wmem_alloc);
        ATM_SKB(skb)->atm_options = atmvcc->atm_options;
        brdev->stats.tx_packets++;
        atomic_add(skb->truesize, &atmvcc->sk->wmem_alloc);
        ATM_SKB(skb)->atm_options = atmvcc->atm_options;
        brdev->stats.tx_packets++;
-@@ -428,18 +512,39 @@
+@@ -428,18 +507,39 @@
        atm_return(atmvcc, skb->truesize);
        DPRINTK("skb from brdev %p\n", brdev);
        if (brvcc->encaps == e_llc) {
        atm_return(atmvcc, skb->truesize);
        DPRINTK("skb from brdev %p\n", brdev);
        if (brvcc->encaps == e_llc) {
@@ -219,7 +204,7 @@ diff -Nur linux.old/net/atm/br2684.c linux.new/net/atm/br2684.c
        } else {
                plen = PADLEN + ETH_HLEN;       /* pad, dstmac,srcmac, ethtype */
                /* first 2 chars should be 0 */
        } else {
                plen = PADLEN + ETH_HLEN;       /* pad, dstmac,srcmac, ethtype */
                /* first 2 chars should be 0 */
-@@ -448,13 +553,14 @@
+@@ -448,13 +548,14 @@
                        dev_kfree_skb(skb);
                        return;
                }
                        dev_kfree_skb(skb);
                        return;
                }
@@ -235,7 +220,7 @@ diff -Nur linux.old/net/atm/br2684.c linux.new/net/atm/br2684.c
  #ifdef FASTER_VERSION
        /* FIXME: tcpdump shows that pointer to mac header is 2 bytes earlier,
           than should be. What else should I set? */
  #ifdef FASTER_VERSION
        /* FIXME: tcpdump shows that pointer to mac header is 2 bytes earlier,
           than should be. What else should I set? */
-@@ -465,30 +571,29 @@
+@@ -465,30 +566,29 @@
        skb->protocol = ((u16 *) skb->data)[-1];
  #else                         /* some protocols might require this: */
        skb->protocol = br_type_trans(skb, &brdev->net_dev);
        skb->protocol = ((u16 *) skb->data)[-1];
  #else                         /* some protocols might require this: */
        skb->protocol = br_type_trans(skb, &brdev->net_dev);
@@ -273,7 +258,7 @@ diff -Nur linux.old/net/atm/br2684.c linux.new/net/atm/br2684.c
        netif_rx(skb);
  }
  
        netif_rx(skb);
  }
  
-@@ -525,10 +630,10 @@
+@@ -525,10 +625,10 @@
                err = -EEXIST;
                goto error;
        }
                err = -EEXIST;
                goto error;
        }
@@ -288,7 +273,7 @@ diff -Nur linux.old/net/atm/br2684.c linux.new/net/atm/br2684.c
                err = -EINVAL;
                goto error;
        }
                err = -EINVAL;
                goto error;
        }
-@@ -554,18 +659,21 @@
+@@ -554,18 +654,21 @@
        brvcc->atmvcc = atmvcc;
        atmvcc->user_back = brvcc;
        brvcc->encaps = (enum br2684_encaps) be.encaps;
        brvcc->atmvcc = atmvcc;
        atmvcc->user_back = brvcc;
        brvcc->encaps = (enum br2684_encaps) be.encaps;
@@ -311,7 +296,7 @@ diff -Nur linux.old/net/atm/br2684.c linux.new/net/atm/br2684.c
        write_unlock_irq(&devs_lock);
        MOD_DEC_USE_COUNT;
        return err;
        write_unlock_irq(&devs_lock);
        MOD_DEC_USE_COUNT;
        return err;
-@@ -608,12 +717,25 @@
+@@ -608,12 +711,25 @@
  
        if (ni.ifname[0] != '\0') {
                memcpy(brdev->net_dev.name, ni.ifname,
  
        if (ni.ifname[0] != '\0') {
                memcpy(brdev->net_dev.name, ni.ifname,
@@ -340,7 +325,7 @@ diff -Nur linux.old/net/atm/br2684.c linux.new/net/atm/br2684.c
        brdev->mac_was_set = 0;
  #ifdef FASTER_VERSION
        my_eth_header = brdev->net_dev.hard_header;
        brdev->mac_was_set = 0;
  #ifdef FASTER_VERSION
        my_eth_header = brdev->net_dev.hard_header;
-@@ -677,12 +799,11 @@
+@@ -677,12 +793,11 @@
                err = br2684_setfilt(atmvcc, arg);
                MOD_DEC_USE_COUNT;
                return err;
                err = br2684_setfilt(atmvcc, arg);
                MOD_DEC_USE_COUNT;
                return err;
@@ -354,7 +339,7 @@ diff -Nur linux.old/net/atm/br2684.c linux.new/net/atm/br2684.c
  /* Never put more than 256 bytes in at once */
  static int br2684_proc_engine(loff_t pos, char *buf)
  {
  /* Never put more than 256 bytes in at once */
  static int br2684_proc_engine(loff_t pos, char *buf)
  {
-@@ -692,52 +813,62 @@
+@@ -692,52 +807,62 @@
        list_for_each(lhd, &br2684_devs) {
                brdev = list_entry_brdev(lhd);
                if (pos-- == 0)
        list_for_each(lhd, &br2684_devs) {
                brdev = list_entry_brdev(lhd);
                if (pos-- == 0)
@@ -442,7 +427,7 @@ diff -Nur linux.old/net/atm/br2684.c linux.new/net/atm/br2684.c
        page = get_free_page(GFP_KERNEL);
        if (!page)
                return -ENOMEM;
        page = get_free_page(GFP_KERNEL);
        if (!page)
                return -ENOMEM;
-@@ -746,7 +877,7 @@
+@@ -746,7 +871,7 @@
                left = count;
        read_lock(&devs_lock);
        for (;;) {
                left = count;
        read_lock(&devs_lock);
        for (;;) {
@@ -451,7 +436,7 @@ diff -Nur linux.old/net/atm/br2684.c linux.new/net/atm/br2684.c
                if (x == 0)
                        break;
                if (x > left)
                if (x == 0)
                        break;
                if (x > left)
-@@ -761,12 +892,11 @@
+@@ -761,12 +886,11 @@
                }
                len += x;
                left -= x;
                }
                len += x;
                left -= x;
@@ -465,7 +450,7 @@ diff -Nur linux.old/net/atm/br2684.c linux.new/net/atm/br2684.c
        if (len > 0 && copy_to_user(buf, (char *) page, len))
                len = -EFAULT;
        free_page(page);
        if (len > 0 && copy_to_user(buf, (char *) page, len))
                len = -EFAULT;
        free_page(page);
-@@ -774,34 +904,32 @@
+@@ -774,23 +898,20 @@
  }
  
  static struct file_operations br2684_proc_operations = {
  }
  
  static struct file_operations br2684_proc_operations = {
@@ -475,9 +460,6 @@ diff -Nur linux.old/net/atm/br2684.c linux.new/net/atm/br2684.c
  
  extern struct proc_dir_entry *atm_proc_root;  /* from proc.c */
 -#endif /* CONFIG_PROC_FS */
  
  extern struct proc_dir_entry *atm_proc_root;  /* from proc.c */
 -#endif /* CONFIG_PROC_FS */
-+
-+extern int (*br2684_ioctl_hook) (struct atm_vcc *, unsigned int,
-+                               unsigned long);
  
  /* the following avoids some spurious warnings from the compiler */
  #define UNUSED __attribute__((unused))
  
  /* the following avoids some spurious warnings from the compiler */
  #define UNUSED __attribute__((unused))
@@ -490,25 +472,22 @@ diff -Nur linux.old/net/atm/br2684.c linux.new/net/atm/br2684.c
                return -ENOMEM;
        p->proc_fops = &br2684_proc_operations;
 -#endif /* CONFIG_PROC_FS */
                return -ENOMEM;
        p->proc_fops = &br2684_proc_operations;
 -#endif /* CONFIG_PROC_FS */
--      br2684_ioctl_set(br2684_ioctl);
-+      br2684_ioctl_hook = br2684_ioctl;
+       br2684_ioctl_set(br2684_ioctl);
        return 0;
  }
        return 0;
  }
- 
- static void __exit UNUSED br2684_exit(void)
+@@ -799,9 +920,7 @@
  {
        struct br2684_dev *brdev;
  {
        struct br2684_dev *brdev;
--      br2684_ioctl_set(NULL);
+       br2684_ioctl_set(NULL);
 -#ifdef CONFIG_PROC_FS
 -#ifdef CONFIG_PROC_FS
-+      br2684_ioctl_hook = NULL;
        remove_proc_entry("br2684", atm_proc_root);
 -#endif /* CONFIG_PROC_FS */
        while (!list_empty(&br2684_devs)) {
                brdev = list_entry_brdev(br2684_devs.next);
                unregister_netdev(&brdev->net_dev);
        remove_proc_entry("br2684", atm_proc_root);
 -#endif /* CONFIG_PROC_FS */
        while (!list_empty(&br2684_devs)) {
                brdev = list_entry_brdev(br2684_devs.next);
                unregister_netdev(&brdev->net_dev);
-diff -Nur linux.old/net/atm/common.c linux.new/net/atm/common.c
---- linux.old/net/atm/common.c 2004-02-18 14:36:32.000000000 +0100
-+++ linux.new/net/atm/common.c 2005-11-13 00:46:11.000000000 +0100
+diff -urN linux-2.4.32/net/atm/common.c linux-2.4.32.new/net/atm/common.c
+--- linux-2.4.32/net/atm/common.c      2004-02-18 14:36:32.000000000 +0100
++++ linux-2.4.32.new/net/atm/common.c  2006-02-06 17:26:52.000000000 +0100
 @@ -158,6 +158,7 @@
  }
  #ifdef CONFIG_ATM_BR2684_MODULE
 @@ -158,6 +158,7 @@
  }
  #ifdef CONFIG_ATM_BR2684_MODULE
@@ -516,10 +495,9 @@ diff -Nur linux.old/net/atm/common.c linux.new/net/atm/common.c
 +EXPORT_SYMBOL(br2684_ioctl_hook);
  #endif
  #endif
 +EXPORT_SYMBOL(br2684_ioctl_hook);
  #endif
  #endif
-
-diff -Nur linux.old/include/linux/atmbr2684.h linux.new/include/linux/atmbr2684.h
---- linux.old/include/linux/atmbr2684.h        2005-11-13 00:28:19.000000000 +0100
-+++ linux.new/include/linux/atmbr2684.h        2005-11-13 00:06:42.000000000 +0100
+ 
+--- linux-2.4.32/include/linux/atmbr2684.h     2002-08-03 02:39:45.000000000 +0200
++++ linux-2.4.32.new/include/linux/atmbr2684.h 2006-02-06 19:01:24.000000000 +0100
 @@ -3,6 +3,7 @@
  
  #include <linux/atm.h>
 @@ -3,6 +3,7 @@
  
  #include <linux/atm.h>
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