diff options
Diffstat (limited to 'target')
| -rw-r--r-- | target/linux/generic/patches-3.3/131-atm-fixes.patch | 367 |
1 files changed, 279 insertions, 88 deletions
diff --git a/target/linux/generic/patches-3.3/131-atm-fixes.patch b/target/linux/generic/patches-3.3/131-atm-fixes.patch index 734657a23..4d3bd4f16 100644 --- a/target/linux/generic/patches-3.3/131-atm-fixes.patch +++ b/target/linux/generic/patches-3.3/131-atm-fixes.patch @@ -1,4 +1,36 @@ -commit 86768086727a60335b08c34b2966c784029a24cf +commit d7d3d8f1ee4435e32bc6c93187798b7e2e3170a9 +Author: David Woodhouse <David.Woodhouse@intel.com> +Date: Thu Nov 29 23:28:30 2012 +0000 + + solos-pci: remove list_vccs() debugging function + + No idea why we've gone so long dumping a list of VCCs with vci==0 on + every ->open() call... + + Signed-off-by: David Woodhouse <David.Woodhouse@intel.com> + +commit c93967bfd3a3dffa759a3f28370167bf3cdbc3d0 +Author: David Woodhouse <David.Woodhouse@intel.com> +Date: Thu Nov 29 23:27:20 2012 +0000 + + solos-pci: use GFP_KERNEL where possible, not GFP_ATOMIC + + Signed-off-by: David Woodhouse <David.Woodhouse@intel.com> + +commit ad6999e17ae4f7b99f6d28f425ae970acb115347 +Author: David Woodhouse <David.Woodhouse@intel.com> +Date: Thu Nov 29 23:15:30 2012 +0000 + + solos-pci: clean up pclose() function + + - Flush pending TX skbs from the queue rather than waiting for them all to + complete (suggested by Krzysztof Mazur <krzysiek@podlesie.net>). + - Clear ATM_VF_ADDR only when the PKT_PCLOSE packet has been submitted. + - Don't clear ATM_VF_READY at all — vcc_destroy_socket() does that for us. + + Signed-off-by: David Woodhouse <David.Woodhouse@intel.com> + +commit 2547e97f29d6d69d567947d5ef90b6b4fbcaf565 Author: David Woodhouse <David.Woodhouse@intel.com> Date: Wed Nov 28 10:15:05 2012 +0000 @@ -10,7 +42,7 @@ Date: Wed Nov 28 10:15:05 2012 +0000 Signed-off-by: David Woodhouse <David.Woodhouse@intel.com> Acked-by: Krzysztof Mazur <krzysiek@podlesie.net> -commit a009aa5fde926350f7a7e558a3ac0180e10eb24a +commit 990b0884a2e9668c08e9daa4d70a54d65329cb6f Author: Krzysztof Mazur <krzysiek@podlesie.net> Date: Wed Nov 28 09:08:04 2012 +0100 @@ -26,7 +58,7 @@ Date: Wed Nov 28 09:08:04 2012 +0100 Signed-off-by: Krzysztof Mazur <krzysiek@podlesie.net> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com> -commit ae2169bcb6375fb214cadd0ea50ac54bcf39b0d6 +commit f49b6da01f0abebb17f6241473d53018d923f6b0 Author: Nathan Williams <nathan@traverse.com.au> Date: Tue Nov 27 17:34:09 2012 +1100 @@ -37,7 +69,7 @@ Date: Tue Nov 27 17:34:09 2012 +1100 Signed-off-by: Nathan Williams <nathan@traverse.com.au> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com> -commit 6227612becaebe2f9f4ad7d0cdf27e298bb56687 +commit a61d37ff4a555886c4ebe31d2c6d893afb6f4d3c Author: David Woodhouse <David.Woodhouse@intel.com> Date: Wed Nov 28 00:46:45 2012 +0000 @@ -52,7 +84,7 @@ Date: Wed Nov 28 00:46:45 2012 +0000 Signed-off-by: David Woodhouse <David.Woodhouse@intel.com> Acked-by: Krzysztof Mazur <krzysiek@podlesie.net> -commit 44abbb464896dc2270716d25e12fe47e57eeb1d3 +commit c52f40629884ddc62c7af445fd5d620fdb466fb2 Author: David Woodhouse <David.Woodhouse@intel.com> Date: Wed Nov 28 00:05:52 2012 +0000 @@ -69,11 +101,30 @@ Date: Wed Nov 28 00:05:52 2012 +0000 Signed-off-by: David Woodhouse <David.Woodhouse@intel.com> Acked-by: Krzysztof Mazur <krzysiek@podlesie.net> -commit c93eeac2ebee497dbc9b6ad39c235ff3061be141 +commit 35826e7372fe39b7db7930eda0267c82d68d1a4c +Author: David Woodhouse <dwmw2@infradead.org> +Date: Tue Nov 27 23:28:36 2012 +0000 + + br2684: don't send frames on not-ready vcc + + Avoid submitting packets to a vcc which is being closed. Things go badly + wrong when the ->pop method gets later called after everything's been + torn down. + + Use the ATM socket lock for synchronisation with vcc_destroy_socket(), + which clears the ATM_VF_READY bit under the same lock. Otherwise, we + could end up submitting a packet to the device driver even after its + ->ops->close method has been called. And it could call the vcc's ->pop + method after the protocol has been shut down. Which leads to a panic. + + Signed-off-by: David Woodhouse <David.Woodhouse@intel.com> + Acked-by: Krzysztof Mazur <krzysiek@podlesie.net> + +commit 7f940dde65de4a707f3dd723bb6ce9de90ca1eab Author: David Woodhouse <David.Woodhouse@intel.com> Date: Wed Nov 28 00:03:11 2012 +0000 - atm: Add release_cb() callback to vcc + atm: add release_cb() callback to vcc The immediate use case for this is that it will allow us to ensure that a pppoatm queue is woken after it has to drop a packet due to the sock being @@ -86,24 +137,11 @@ Date: Wed Nov 28 00:03:11 2012 +0000 Signed-off-by: David Woodhouse <David.Woodhouse@intel.com> Acked-by: Krzysztof Mazur <krzysiek@podlesie.net> -commit 9b3e2e224cc4326d8897243b24d778abf9098a8d -Author: David Woodhouse <dwmw2@infradead.org> -Date: Tue Nov 27 23:28:36 2012 +0000 - - br2684: don't send frames on not-ready vcc - - Avoid submitting packets to a vcc which is being closed. Things go badly - wrong when the ->pop method gets later called after everything's been - torn down. - - Signed-off-by: David Woodhouse <David.Woodhouse@intel.com> - Acked-by: Krzysztof Mazur <krzysiek@podlesie.net> - -commit 26c7c53318cf56a690ae553104f4a60181734fb5 +commit def1b2f9083f84d0a77730e537c76429914d17c1 Author: David Woodhouse <David.Woodhouse@intel.com> Date: Tue Nov 27 23:49:24 2012 +0000 - solos-pci: Wait for pending TX to complete when releasing vcc + solos-pci: wait for pending TX to complete when releasing vcc We should no longer be calling the old pop routine for the vcc, after vcc_release() has completed. Make sure we wait for any pending TX skbs @@ -111,7 +149,7 @@ Date: Tue Nov 27 23:49:24 2012 +0000 Signed-off-by: David Woodhouse <David.Woodhouse@intel.com> -commit 1a3304e89b9ba168340a37926014be11c3ad110e +commit 397ff16dce53888ec693b3718640be2560204751 Author: Krzysztof Mazur <krzysiek@podlesie.net> Date: Tue Nov 6 23:17:02 2012 +0100 @@ -129,19 +167,16 @@ Date: Tue Nov 6 23:17:02 2012 +0100 Signed-off-by: Krzysztof Mazur <krzysiek@podlesie.net> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com> -commit 294398bcd0fe26335059a185b59cfb5de1fc4c71 +commit 071d93931a75dc1f82f0baa9959613af81c5a032 Author: Krzysztof Mazur <krzysiek@podlesie.net> Date: Sat Nov 10 23:33:19 2012 +0100 pppoatm: drop frames to not-ready vcc - Patches "atm: detach protocol before closing vcc" - and "pppoatm: allow assign only on a connected socket" fixed - common cases where the pppoatm_send() crashes while sending - frame to not-ready vcc. However there are still some other cases - where we can send frames to vcc, which is flagged as ATM_VF_CLOSE - (for instance after vcc_release_async()) or it's opened but not - ready yet. + The vcc_destroy_socket() closes vcc before the protocol is detached + from vcc by calling vcc->push() with NULL skb. This leaves some time + window, where the protocol may call vcc->send() on closed vcc + and crash. Now pppoatm_send(), like vcc_sendmsg(), checks for vcc flags that indicate that vcc is not ready. If the vcc is not ready we just @@ -277,8 +312,6 @@ Date: Sun Nov 25 12:06:52 2012 +0000 Reviewed-by: Krzysztof Mazur <krzysiek@podlesie.net> Signed-off-by: David S. Miller <davem@davemloft.net> -diff --git a/drivers/atm/solos-pci.c b/drivers/atm/solos-pci.c -index 9851093..6258961 100644 --- a/drivers/atm/solos-pci.c +++ b/drivers/atm/solos-pci.c @@ -92,6 +92,7 @@ struct pkt_hdr { @@ -289,7 +322,15 @@ index 9851093..6258961 100644 struct atm_vcc *vcc; uint32_t dma_addr; }; -@@ -710,7 +711,8 @@ void solos_bh(unsigned long card_arg) +@@ -164,7 +165,6 @@ static void fpga_queue(struct solos_card + static uint32_t fpga_tx(struct solos_card *); + static irqreturn_t solos_irq(int irq, void *dev_id); + static struct atm_vcc* find_vcc(struct atm_dev *dev, short vpi, int vci); +-static int list_vccs(int vci); + static int atm_init(struct solos_card *, struct device *); + static void atm_remove(struct solos_card *); + static int send_command(struct solos_card *card, int dev, const char *buf, size_t size); +@@ -710,7 +710,8 @@ void solos_bh(unsigned long card_arg) dev_warn(&card->dev->dev, "Received packet for unknown VPI.VCI %d.%d on port %d\n", le16_to_cpu(header->vpi), le16_to_cpu(header->vci), port); @@ -299,26 +340,119 @@ index 9851093..6258961 100644 } atm_charge(vcc, skb->truesize); vcc->push(vcc, skb); -@@ -881,11 +883,18 @@ static void pclose(struct atm_vcc *vcc) +@@ -790,44 +791,6 @@ static struct atm_vcc *find_vcc(struct a + return vcc; + } + +-static int list_vccs(int vci) +-{ +- struct hlist_head *head; +- struct atm_vcc *vcc; +- struct hlist_node *node; +- struct sock *s; +- int num_found = 0; +- int i; +- +- read_lock(&vcc_sklist_lock); +- if (vci != 0){ +- head = &vcc_hash[vci & (VCC_HTABLE_SIZE -1)]; +- sk_for_each(s, node, head) { +- num_found ++; +- vcc = atm_sk(s); +- printk(KERN_DEBUG "Device: %d Vpi: %d Vci: %d\n", +- vcc->dev->number, +- vcc->vpi, +- vcc->vci); +- } +- } else { +- for(i = 0; i < VCC_HTABLE_SIZE; i++){ +- head = &vcc_hash[i]; +- sk_for_each(s, node, head) { +- num_found ++; +- vcc = atm_sk(s); +- printk(KERN_DEBUG "Device: %d Vpi: %d Vci: %d\n", +- vcc->dev->number, +- vcc->vpi, +- vcc->vci); +- } +- } +- } +- read_unlock(&vcc_sklist_lock); +- return num_found; +-} +- +- + static int popen(struct atm_vcc *vcc) + { + struct solos_card *card = vcc->dev->dev_data; +@@ -840,7 +803,7 @@ static int popen(struct atm_vcc *vcc) + return -EINVAL; + } + +- skb = alloc_skb(sizeof(*header), GFP_ATOMIC); ++ skb = alloc_skb(sizeof(*header), GFP_KERNEL); + if (!skb) { + if (net_ratelimit()) + dev_warn(&card->dev->dev, "Failed to allocate sk_buff in popen()\n"); +@@ -857,8 +820,6 @@ static int popen(struct atm_vcc *vcc) + + set_bit(ATM_VF_ADDR, &vcc->flags); + set_bit(ATM_VF_READY, &vcc->flags); +- list_vccs(0); +- + + return 0; + } +@@ -866,10 +827,21 @@ static int popen(struct atm_vcc *vcc) + static void pclose(struct atm_vcc *vcc) + { + struct solos_card *card = vcc->dev->dev_data; +- struct sk_buff *skb; ++ unsigned char port = SOLOS_CHAN(vcc->dev); ++ struct sk_buff *skb, *tmpskb; + struct pkt_hdr *header; + +- skb = alloc_skb(sizeof(*header), GFP_ATOMIC); ++ /* Remove any yet-to-be-transmitted packets from the pending queue */ ++ spin_lock(&card->tx_queue_lock); ++ skb_queue_walk_safe(&card->tx_queue[port], skb, tmpskb) { ++ if (SKB_CB(skb)->vcc == vcc) { ++ skb_unlink(skb, &card->tx_queue[port]); ++ solos_pop(vcc, skb); ++ } ++ } ++ spin_unlock(&card->tx_queue_lock); ++ ++ skb = alloc_skb(sizeof(*header), GFP_KERNEL); + if (!skb) { + dev_warn(&card->dev->dev, "Failed to allocate sk_buff in pclose()\n"); + return; +@@ -881,15 +853,21 @@ static void pclose(struct atm_vcc *vcc) header->vci = cpu_to_le16(vcc->vci); header->type = cpu_to_le16(PKT_PCLOSE); +- fpga_queue(card, SOLOS_CHAN(vcc->dev), skb, NULL); + init_completion(&SKB_CB(skb)->c); -+ - fpga_queue(card, SOLOS_CHAN(vcc->dev), skb, NULL); - - clear_bit(ATM_VF_ADDR, &vcc->flags); - clear_bit(ATM_VF_READY, &vcc->flags); -+ if (!wait_for_completion_timeout(&SKB_CB(skb)->c, -+ msecs_to_jiffies(5000))) -+ dev_warn(&card->dev->dev, "Timeout waiting for VCC close on port %d\n", -+ SOLOS_CHAN(vcc->dev)); +- clear_bit(ATM_VF_ADDR, &vcc->flags); +- clear_bit(ATM_VF_READY, &vcc->flags); ++ fpga_queue(card, port, skb, NULL); + ++ if (!wait_for_completion_timeout(&SKB_CB(skb)->c, 5 * HZ)) ++ dev_warn(&card->dev->dev, "Timeout waiting for VCC close on port %d\n", ++ port); + /* Hold up vcc_destroy_socket() (our caller) until solos_bh() in the tasklet has finished processing any incoming packets (and, more to the point, using the vcc pointer). */ -@@ -1011,9 +1020,12 @@ static uint32_t fpga_tx(struct solos_card *card) + tasklet_unlock_wait(&card->tlet); ++ ++ clear_bit(ATM_VF_ADDR, &vcc->flags); ++ + return; + } + +@@ -1010,9 +988,12 @@ static uint32_t fpga_tx(struct solos_car if (vcc) { atomic_inc(&vcc->stats->tx); solos_pop(vcc, oldskb); @@ -333,7 +467,16 @@ index 9851093..6258961 100644 } } /* For non-DMA TX, write the 'TX start' bit for all four ports simultaneously */ -@@ -1345,6 +1357,8 @@ static struct pci_driver fpga_driver = { +@@ -1246,7 +1227,7 @@ static int atm_init(struct solos_card *c + card->atmdev[i]->phy_data = (void *)(unsigned long)i; + atm_dev_signal_change(card->atmdev[i], ATM_PHY_SIG_FOUND); + +- skb = alloc_skb(sizeof(*header), GFP_ATOMIC); ++ skb = alloc_skb(sizeof(*header), GFP_KERNEL); + if (!skb) { + dev_warn(&card->dev->dev, "Failed to allocate sk_buff in atm_init()\n"); + continue; +@@ -1343,6 +1324,8 @@ static struct pci_driver fpga_driver = { static int __init solos_pci_init(void) { @@ -342,11 +485,9 @@ index 9851093..6258961 100644 printk(KERN_INFO "Solos PCI Driver Version %s\n", VERSION); return pci_register_driver(&fpga_driver); } -diff --git a/include/linux/atmdev.h b/include/linux/atmdev.h -index 22ef21c..c1da539 100644 --- a/include/linux/atmdev.h +++ b/include/linux/atmdev.h -@@ -99,6 +99,7 @@ struct atm_vcc { +@@ -307,6 +307,7 @@ struct atm_vcc { struct atm_dev *dev; /* device back pointer */ struct atm_qos qos; /* QOS */ struct atm_sap sap; /* SAP */ @@ -354,7 +495,7 @@ index 22ef21c..c1da539 100644 void (*push)(struct atm_vcc *vcc,struct sk_buff *skb); void (*pop)(struct atm_vcc *vcc,struct sk_buff *skb); /* optional */ int (*push_oam)(struct atm_vcc *vcc,void *cell); -@@ -106,6 +107,7 @@ struct atm_vcc { +@@ -314,6 +315,7 @@ struct atm_vcc { void *dev_data; /* per-device data */ void *proto_data; /* per-protocol data */ struct k_atm_aal_stats *stats; /* pointer to AAL stats group */ @@ -362,14 +503,13 @@ index 22ef21c..c1da539 100644 /* SVC part --- may move later ------------------------------------- */ short itf; /* interface number */ struct sockaddr_atmsvc local; -diff --git a/net/atm/br2684.c b/net/atm/br2684.c -index 4819d315..a4ee4ad 100644 --- a/net/atm/br2684.c +++ b/net/atm/br2684.c -@@ -68,12 +68,14 @@ struct br2684_vcc { +@@ -68,12 +68,15 @@ struct br2684_vcc { /* keep old push, pop functions for chaining */ void (*old_push)(struct atm_vcc *vcc, struct sk_buff *skb); void (*old_pop)(struct atm_vcc *vcc, struct sk_buff *skb); ++ void (*old_release_cb)(struct atm_vcc *vcc); + struct module *old_owner; enum br2684_encaps encaps; struct list_head brvccs; @@ -381,7 +521,7 @@ index 4819d315..a4ee4ad 100644 }; struct br2684_dev { -@@ -181,18 +183,15 @@ static struct notifier_block atm_dev_notifier = { +@@ -181,18 +184,15 @@ static struct notifier_block atm_dev_not static void br2684_pop(struct atm_vcc *vcc, struct sk_buff *skb) { struct br2684_vcc *brvcc = BR2684_VCC(vcc); @@ -405,18 +545,7 @@ index 4819d315..a4ee4ad 100644 /* * Send a packet out a particular vcc. Not to useful right now, but paves * the way for multiple vcc's per itf. Returns true if we can send, -@@ -251,21 +250,30 @@ static int br2684_xmit_vcc(struct sk_buff *skb, struct net_device *dev, - skb_debug(skb); - - ATM_SKB(skb)->vcc = atmvcc = brvcc->atmvcc; -+ if (test_bit(ATM_VF_RELEASED, &atmvcc->flags) || -+ test_bit(ATM_VF_CLOSE, &atmvcc->flags) || -+ !test_bit(ATM_VF_READY, &atmvcc->flags)) { -+ dev_kfree_skb(skb); -+ return 0; -+ } - pr_debug("atm_skb(%p)->vcc(%p)->dev(%p)\n", skb, atmvcc, atmvcc->dev); - atomic_add(skb->truesize, &sk_atm(atmvcc)->sk_wmem_alloc); +@@ -256,16 +256,30 @@ static int br2684_xmit_vcc(struct sk_buf ATM_SKB(skb)->atm_options = atmvcc->atm_options; dev->stats.tx_packets++; dev->stats.tx_bytes += skb->len; @@ -439,12 +568,76 @@ index 4819d315..a4ee4ad 100644 + will wake the queue if appropriate. Just return an error so that + the stats are updated correctly */ + return !atmvcc->send(atmvcc, skb); ++} ++ ++static void br2684_release_cb(struct atm_vcc *atmvcc) ++{ ++ struct br2684_vcc *brvcc = BR2684_VCC(atmvcc); ++ ++ if (atomic_read(&brvcc->qspace) > 0) ++ netif_wake_queue(brvcc->device); ++ ++ if (brvcc->old_release_cb) ++ brvcc->old_release_cb(atmvcc); } static inline struct br2684_vcc *pick_outgoing_vcc(const struct sk_buff *skb, -@@ -378,8 +386,8 @@ static void br2684_close_vcc(struct br2684_vcc *brvcc) +@@ -279,6 +293,8 @@ static netdev_tx_t br2684_start_xmit(str + { + struct br2684_dev *brdev = BRPRIV(dev); + struct br2684_vcc *brvcc; ++ struct atm_vcc *atmvcc; ++ netdev_tx_t ret = NETDEV_TX_OK; + + pr_debug("skb_dst(skb)=%p\n", skb_dst(skb)); + read_lock(&devs_lock); +@@ -289,9 +305,26 @@ static netdev_tx_t br2684_start_xmit(str + dev->stats.tx_carrier_errors++; + /* netif_stop_queue(dev); */ + dev_kfree_skb(skb); +- read_unlock(&devs_lock); +- return NETDEV_TX_OK; ++ goto out_devs; + } ++ atmvcc = brvcc->atmvcc; ++ ++ bh_lock_sock(sk_atm(atmvcc)); ++ ++ if (test_bit(ATM_VF_RELEASED, &atmvcc->flags) || ++ test_bit(ATM_VF_CLOSE, &atmvcc->flags) || ++ !test_bit(ATM_VF_READY, &atmvcc->flags)) { ++ dev->stats.tx_dropped++; ++ dev_kfree_skb(skb); ++ goto out; ++ } ++ ++ if (sock_owned_by_user(sk_atm(atmvcc))) { ++ netif_stop_queue(brvcc->device); ++ ret = NETDEV_TX_BUSY; ++ goto out; ++ } ++ + if (!br2684_xmit_vcc(skb, dev, brvcc)) { + /* + * We should probably use netif_*_queue() here, but that +@@ -303,8 +336,11 @@ static netdev_tx_t br2684_start_xmit(str + dev->stats.tx_errors++; + dev->stats.tx_fifo_errors++; + } ++ out: ++ bh_unlock_sock(sk_atm(atmvcc)); ++ out_devs: + read_unlock(&devs_lock); +- return NETDEV_TX_OK; ++ return ret; + } + + /* +@@ -377,9 +413,10 @@ static void br2684_close_vcc(struct br26 + list_del(&brvcc->brvccs); write_unlock_irq(&devs_lock); brvcc->atmvcc->user_back = NULL; /* what about vcc->recvq ??? */ ++ brvcc->atmvcc->release_cb = brvcc->old_release_cb; brvcc->old_push(brvcc->atmvcc, NULL); /* pass on the bad news */ + module_put(brvcc->old_owner); kfree(brvcc); @@ -452,7 +645,7 @@ index 4819d315..a4ee4ad 100644 } /* when AAL5 PDU comes in: */ -@@ -504,6 +512,13 @@ static int br2684_regvcc(struct atm_vcc *atmvcc, void __user * arg) +@@ -504,6 +541,13 @@ static int br2684_regvcc(struct atm_vcc brvcc = kzalloc(sizeof(struct br2684_vcc), GFP_KERNEL); if (!brvcc) return -ENOMEM; @@ -466,19 +659,21 @@ index 4819d315..a4ee4ad 100644 write_lock_irq(&devs_lock); net_dev = br2684_find_dev(&be.ifspec); if (net_dev == NULL) { -@@ -546,9 +561,11 @@ static int br2684_regvcc(struct atm_vcc *atmvcc, void __user * arg) +@@ -546,9 +590,13 @@ static int br2684_regvcc(struct atm_vcc brvcc->encaps = (enum br2684_encaps)be.encaps; brvcc->old_push = atmvcc->push; brvcc->old_pop = atmvcc->pop; ++ brvcc->old_release_cb = atmvcc->release_cb; + brvcc->old_owner = atmvcc->owner; barrier(); atmvcc->push = br2684_push; atmvcc->pop = br2684_pop; ++ atmvcc->release_cb = br2684_release_cb; + atmvcc->owner = THIS_MODULE; /* initialize netdev carrier state */ if (atmvcc->dev->signal == ATM_PHY_SIG_LOST) -@@ -687,10 +704,13 @@ static int br2684_ioctl(struct socket *sock, unsigned int cmd, +@@ -687,10 +735,13 @@ static int br2684_ioctl(struct socket *s return -ENOIOCTLCMD; if (!capable(CAP_NET_ADMIN)) return -EPERM; @@ -494,11 +689,9 @@ index 4819d315..a4ee4ad 100644 #ifdef CONFIG_ATM_BR2684_IPFILTER case BR2684_SETFILT: if (atmvcc->push != br2684_push) -diff --git a/net/atm/common.c b/net/atm/common.c -index 0c0ad93..806fc0a 100644 --- a/net/atm/common.c +++ b/net/atm/common.c -@@ -126,10 +126,19 @@ static void vcc_write_space(struct sock *sk) +@@ -126,10 +126,19 @@ static void vcc_write_space(struct sock rcu_read_unlock(); } @@ -518,7 +711,7 @@ index 0c0ad93..806fc0a 100644 }; int vcc_create(struct net *net, struct socket *sock, int protocol, int family) -@@ -156,7 +165,9 @@ int vcc_create(struct net *net, struct socket *sock, int protocol, int family) +@@ -156,7 +165,9 @@ int vcc_create(struct net *net, struct s atomic_set(&sk->sk_rmem_alloc, 0); vcc->push = NULL; vcc->pop = NULL; @@ -528,7 +721,7 @@ index 0c0ad93..806fc0a 100644 vcc->vpi = vcc->vci = 0; /* no VCI/VPI yet */ vcc->atm_options = vcc->aal_options = 0; sk->sk_destruct = vcc_sock_destruct; -@@ -175,6 +186,7 @@ static void vcc_destroy_socket(struct sock *sk) +@@ -175,6 +186,7 @@ static void vcc_destroy_socket(struct so vcc->dev->ops->close(vcc); if (vcc->push) vcc->push(vcc, NULL); /* atmarpd has no push */ @@ -536,8 +729,6 @@ index 0c0ad93..806fc0a 100644 while ((skb = skb_dequeue(&sk->sk_receive_queue)) != NULL) { atm_return(vcc, skb->truesize); -diff --git a/net/atm/pppoatm.c b/net/atm/pppoatm.c -index 226dca9..8c93267 100644 --- a/net/atm/pppoatm.c +++ b/net/atm/pppoatm.c @@ -60,6 +60,8 @@ struct pppoatm_vcc { @@ -549,7 +740,7 @@ index 226dca9..8c93267 100644 /* keep old push/pop for detaching */ enum pppoatm_encaps encaps; atomic_t inflight; -@@ -107,6 +109,24 @@ static void pppoatm_wakeup_sender(unsigned long arg) +@@ -107,6 +109,24 @@ static void pppoatm_wakeup_sender(unsign ppp_output_wakeup((struct ppp_channel *) arg); } @@ -574,7 +765,7 @@ index 226dca9..8c93267 100644 /* * This gets called every time the ATM card has finished sending our * skb. The ->old_pop will take care up normal atm flow control, -@@ -151,12 +171,11 @@ static void pppoatm_unassign_vcc(struct atm_vcc *atmvcc) +@@ -151,12 +171,11 @@ static void pppoatm_unassign_vcc(struct pvcc = atmvcc_to_pvcc(atmvcc); atmvcc->push = pvcc->old_push; atmvcc->pop = pvcc->old_pop; @@ -588,7 +779,7 @@ index 226dca9..8c93267 100644 } /* Called when an AAL5 PDU comes in */ -@@ -165,9 +184,13 @@ static void pppoatm_push(struct atm_vcc *atmvcc, struct sk_buff *skb) +@@ -165,9 +184,13 @@ static void pppoatm_push(struct atm_vcc struct pppoatm_vcc *pvcc = atmvcc_to_pvcc(atmvcc); pr_debug("\n"); if (skb == NULL) { /* VCC was closed */ @@ -611,7 +802,7 @@ index 226dca9..8c93267 100644 { /* * It's not clear that we need to bother with using atm_may_send() -@@ -269,10 +292,33 @@ static inline int pppoatm_may_send(struct pppoatm_vcc *pvcc, int size) +@@ -269,10 +292,33 @@ static inline int pppoatm_may_send(struc static int pppoatm_send(struct ppp_channel *chan, struct sk_buff *skb) { struct pppoatm_vcc *pvcc = chan_to_pvcc(chan); @@ -645,9 +836,9 @@ index 226dca9..8c93267 100644 switch (pvcc->encaps) { /* LLC encapsulation needed */ case e_llc: if (skb_headroom(skb) < LLC_LEN) { -@@ -285,8 +331,10 @@ static int pppoatm_send(struct ppp_channel *chan, struct sk_buff *skb) +@@ -285,8 +331,10 @@ static int pppoatm_send(struct ppp_chann } - consume_skb(skb); + kfree_skb(skb); skb = n; - if (skb == NULL) + if (skb == NULL) { @@ -657,7 +848,7 @@ index 226dca9..8c93267 100644 } else if (!pppoatm_may_send(pvcc, skb->truesize)) goto nospace; memcpy(skb_push(skb, LLC_LEN), pppllc, LLC_LEN); -@@ -296,6 +344,7 @@ static int pppoatm_send(struct ppp_channel *chan, struct sk_buff *skb) +@@ -296,6 +344,7 @@ static int pppoatm_send(struct ppp_chann goto nospace; break; case e_autodetect: @@ -665,7 +856,7 @@ index 226dca9..8c93267 100644 pr_debug("Trying to send without setting encaps!\n"); kfree_skb(skb); return 1; -@@ -305,9 +354,12 @@ static int pppoatm_send(struct ppp_channel *chan, struct sk_buff *skb) +@@ -305,9 +354,12 @@ static int pppoatm_send(struct ppp_chann ATM_SKB(skb)->atm_options = ATM_SKB(skb)->vcc->atm_options; pr_debug("atm_skb(%p)->vcc(%p)->dev(%p)\n", skb, ATM_SKB(skb)->vcc, ATM_SKB(skb)->vcc->dev); @@ -679,7 +870,7 @@ index 226dca9..8c93267 100644 /* * We don't have space to send this SKB now, but we might have * already applied SC_COMP_PROT compression, so may need to undo -@@ -362,6 +414,8 @@ static int pppoatm_assign_vcc(struct atm_vcc *atmvcc, void __user *arg) +@@ -362,6 +414,8 @@ static int pppoatm_assign_vcc(struct atm atomic_set(&pvcc->inflight, NONE_INFLIGHT); pvcc->old_push = atmvcc->push; pvcc->old_pop = atmvcc->pop; @@ -688,7 +879,7 @@ index 226dca9..8c93267 100644 pvcc->encaps = (enum pppoatm_encaps) be.encaps; pvcc->chan.private = pvcc; pvcc->chan.ops = &pppoatm_ops; -@@ -377,7 +431,9 @@ static int pppoatm_assign_vcc(struct atm_vcc *atmvcc, void __user *arg) +@@ -377,7 +431,9 @@ static int pppoatm_assign_vcc(struct atm atmvcc->user_back = pvcc; atmvcc->push = pppoatm_push; atmvcc->pop = pppoatm_pop; @@ -698,7 +889,7 @@ index 226dca9..8c93267 100644 /* re-process everything received between connection setup and backend setup */ -@@ -406,6 +462,8 @@ static int pppoatm_ioctl(struct socket *sock, unsigned int cmd, +@@ -406,6 +462,8 @@ static int pppoatm_ioctl(struct socket * return -ENOIOCTLCMD; if (!capable(CAP_NET_ADMIN)) return -EPERM; |