summaryrefslogtreecommitdiff
path: root/net/sctp
diff options
context:
space:
mode:
authorScott Wood <scottwood@freescale.com>2013-12-14 01:15:24 (GMT)
committerScott Wood <scottwood@freescale.com>2013-12-14 01:15:24 (GMT)
commitb7c81aa3ab2ac2c140e278b6d0e9a0b95112cf0b (patch)
tree87828aaf5f82c7042bfc0307bc4ac499e10f93fb /net/sctp
parent22c782a4b14773fab7eab3c1db54ad7ad077e9b8 (diff)
parent78fd82238d0e5716578c326404184a27ba67fd6e (diff)
downloadlinux-fsl-qoriq-b7c81aa3ab2ac2c140e278b6d0e9a0b95112cf0b.tar.xz
Merge remote-tracking branch 'linus/master' into merge
Conflicts: Documentation/hwmon/ina2xx arch/powerpc/Kconfig arch/powerpc/boot/dts/b4860emu.dts arch/powerpc/boot/dts/b4qds.dtsi arch/powerpc/boot/dts/fsl/b4si-post.dtsi arch/powerpc/boot/dts/fsl/qoriq-sec6.0-0.dtsi arch/powerpc/boot/dts/p1023rdb.dts arch/powerpc/boot/dts/t4240emu.dts arch/powerpc/boot/dts/t4240qds.dts arch/powerpc/configs/85xx/p1023_defconfig arch/powerpc/configs/corenet32_smp_defconfig arch/powerpc/configs/corenet64_smp_defconfig arch/powerpc/configs/mpc85xx_smp_defconfig arch/powerpc/include/asm/cputable.h arch/powerpc/include/asm/device.h arch/powerpc/include/asm/epapr_hcalls.h arch/powerpc/include/asm/kvm_host.h arch/powerpc/include/asm/mpic.h arch/powerpc/include/asm/pci.h arch/powerpc/include/asm/ppc-opcode.h arch/powerpc/include/asm/ppc_asm.h arch/powerpc/include/asm/reg_booke.h arch/powerpc/kernel/epapr_paravirt.c arch/powerpc/kernel/process.c arch/powerpc/kernel/prom.c arch/powerpc/kernel/setup-common.c arch/powerpc/kernel/setup_32.c arch/powerpc/kernel/setup_64.c arch/powerpc/kernel/smp.c arch/powerpc/kernel/swsusp_asm64.S arch/powerpc/kernel/swsusp_booke.S arch/powerpc/kvm/book3s_pr.c arch/powerpc/kvm/booke.c arch/powerpc/kvm/booke.h arch/powerpc/kvm/e500.c arch/powerpc/kvm/e500.h arch/powerpc/kvm/e500_emulate.c arch/powerpc/kvm/e500mc.c arch/powerpc/kvm/powerpc.c arch/powerpc/perf/e6500-pmu.c arch/powerpc/platforms/85xx/Kconfig arch/powerpc/platforms/85xx/Makefile arch/powerpc/platforms/85xx/b4_qds.c arch/powerpc/platforms/85xx/c293pcie.c arch/powerpc/platforms/85xx/corenet_ds.c arch/powerpc/platforms/85xx/corenet_ds.h arch/powerpc/platforms/85xx/p1023_rds.c arch/powerpc/platforms/85xx/p2041_rdb.c arch/powerpc/platforms/85xx/p3041_ds.c arch/powerpc/platforms/85xx/p4080_ds.c arch/powerpc/platforms/85xx/p5020_ds.c arch/powerpc/platforms/85xx/p5040_ds.c arch/powerpc/platforms/85xx/smp.c arch/powerpc/platforms/85xx/t4240_qds.c arch/powerpc/platforms/Kconfig arch/powerpc/sysdev/Makefile arch/powerpc/sysdev/fsl_mpic_timer_wakeup.c arch/powerpc/sysdev/fsl_msi.c arch/powerpc/sysdev/fsl_pci.c arch/powerpc/sysdev/fsl_pci.h arch/powerpc/sysdev/fsl_soc.h arch/powerpc/sysdev/mpic.c arch/powerpc/sysdev/mpic_timer.c drivers/Kconfig drivers/clk/Kconfig drivers/clk/clk-ppc-corenet.c drivers/cpufreq/Kconfig.powerpc drivers/cpufreq/Makefile drivers/cpufreq/ppc-corenet-cpufreq.c drivers/crypto/caam/Kconfig drivers/crypto/caam/Makefile drivers/crypto/caam/ctrl.c drivers/crypto/caam/desc_constr.h drivers/crypto/caam/intern.h drivers/crypto/caam/jr.c drivers/crypto/caam/regs.h drivers/dma/fsldma.c drivers/hwmon/ina2xx.c drivers/iommu/Kconfig drivers/iommu/fsl_pamu.c drivers/iommu/fsl_pamu.h drivers/iommu/fsl_pamu_domain.c drivers/iommu/fsl_pamu_domain.h drivers/misc/Makefile drivers/mmc/card/block.c drivers/mmc/core/core.c drivers/mmc/host/sdhci-esdhc.h drivers/mmc/host/sdhci-pltfm.c drivers/mtd/nand/fsl_ifc_nand.c drivers/net/ethernet/freescale/gianfar.c drivers/net/ethernet/freescale/gianfar.h drivers/net/ethernet/freescale/gianfar_ethtool.c drivers/net/phy/at803x.c drivers/net/phy/phy_device.c drivers/net/phy/vitesse.c drivers/pci/msi.c drivers/staging/Kconfig drivers/staging/Makefile drivers/uio/Kconfig drivers/uio/Makefile drivers/uio/uio.c drivers/usb/host/ehci-fsl.c drivers/vfio/Kconfig drivers/vfio/Makefile include/crypto/algapi.h include/linux/iommu.h include/linux/mmc/sdhci.h include/linux/msi.h include/linux/netdev_features.h include/linux/phy.h include/linux/skbuff.h include/net/ip.h include/uapi/linux/vfio.h net/core/ethtool.c net/ipv4/route.c net/ipv6/route.c
Diffstat (limited to 'net/sctp')
-rw-r--r--net/sctp/Kconfig11
-rw-r--r--net/sctp/associola.c106
-rw-r--r--net/sctp/auth.c22
-rw-r--r--net/sctp/bind_addr.c10
-rw-r--r--net/sctp/chunk.c21
-rw-r--r--net/sctp/command.c8
-rw-r--r--net/sctp/debug.c12
-rw-r--r--net/sctp/endpointola.c33
-rw-r--r--net/sctp/input.c33
-rw-r--r--net/sctp/inqueue.c17
-rw-r--r--net/sctp/ipv6.c105
-rw-r--r--net/sctp/objcnt.c17
-rw-r--r--net/sctp/output.c63
-rw-r--r--net/sctp/outqueue.c228
-rw-r--r--net/sctp/primitive.c8
-rw-r--r--net/sctp/probe.c27
-rw-r--r--net/sctp/proc.c24
-rw-r--r--net/sctp/protocol.c66
-rw-r--r--net/sctp/sm_make_chunk.c208
-rw-r--r--net/sctp/sm_sideeffect.c114
-rw-r--r--net/sctp/sm_statefuns.c93
-rw-r--r--net/sctp/sm_statetable.c8
-rw-r--r--net/sctp/socket.c304
-rw-r--r--net/sctp/ssnmap.c8
-rw-r--r--net/sctp/sysctl.c18
-rw-r--r--net/sctp/transport.c63
-rw-r--r--net/sctp/tsnmap.c18
-rw-r--r--net/sctp/ulpevent.c18
-rw-r--r--net/sctp/ulpqueue.c8
29 files changed, 691 insertions, 980 deletions
diff --git a/net/sctp/Kconfig b/net/sctp/Kconfig
index cf48528..71c1a59 100644
--- a/net/sctp/Kconfig
+++ b/net/sctp/Kconfig
@@ -30,7 +30,8 @@ menuconfig IP_SCTP
homing at either or both ends of an association."
To compile this protocol support as a module, choose M here: the
- module will be called sctp.
+ module will be called sctp. Debug messages are handeled by the
+ kernel's dynamic debugging framework.
If in doubt, say N.
@@ -48,14 +49,6 @@ config NET_SCTPPROBE
To compile this code as a module, choose M here: the
module will be called sctp_probe.
-config SCTP_DBG_MSG
- bool "SCTP: Debug messages"
- help
- If you say Y, this will enable verbose debugging messages.
-
- If unsure, say N. However, if you are running into problems, use
- this option to gather detailed trace information
-
config SCTP_DBG_OBJCNT
bool "SCTP: Debug object counts"
depends on PROC_FS
diff --git a/net/sctp/associola.c b/net/sctp/associola.c
index 91cfd8f..68a27f9 100644
--- a/net/sctp/associola.c
+++ b/net/sctp/associola.c
@@ -28,10 +28,7 @@
*
* Please send any bug reports or fixes you make to the
* email address(es):
- * lksctp developers <lksctp-developers@lists.sourceforge.net>
- *
- * Or submit a bug report through the following website:
- * http://www.sf.net/projects/lksctp
+ * lksctp developers <linux-sctp@vger.kernel.org>
*
* Written or modified by:
* La Monte H.P. Yarroll <piggy@acm.org>
@@ -43,9 +40,6 @@
* Daisy Chang <daisyc@us.ibm.com>
* Ryan Layer <rmlayer@us.ibm.com>
* Kevin Gao <kevin.gao@intel.com>
- *
- * Any bugs reported given to us we will try to fix... any fixes shared will
- * be incorporated into the next SCTP release.
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
@@ -86,10 +80,9 @@ static struct sctp_association *sctp_association_init(struct sctp_association *a
/* Discarding const is appropriate here. */
asoc->ep = (struct sctp_endpoint *)ep;
- sctp_endpoint_hold(asoc->ep);
-
- /* Hold the sock. */
asoc->base.sk = (struct sock *)sk;
+
+ sctp_endpoint_hold(asoc->ep);
sock_hold(asoc->base.sk);
/* Initialize the common base substructure. */
@@ -103,13 +96,7 @@ static struct sctp_association *sctp_association_init(struct sctp_association *a
sctp_bind_addr_init(&asoc->base.bind_addr, ep->base.bind_addr.port);
asoc->state = SCTP_STATE_CLOSED;
-
- /* Set these values from the socket values, a conversion between
- * millsecons to seconds/microseconds must also be done.
- */
- asoc->cookie_life.tv_sec = sp->assocparams.sasoc_cookie_life / 1000;
- asoc->cookie_life.tv_usec = (sp->assocparams.sasoc_cookie_life % 1000)
- * 1000;
+ asoc->cookie_life = ms_to_ktime(sp->assocparams.sasoc_cookie_life);
asoc->frag_point = 0;
asoc->user_frag = sp->user_frag;
@@ -343,8 +330,8 @@ static struct sctp_association *sctp_association_init(struct sctp_association *a
return asoc;
fail_init:
- sctp_endpoint_put(asoc->ep);
sock_put(asoc->base.sk);
+ sctp_endpoint_put(asoc->ep);
return NULL;
}
@@ -356,7 +343,7 @@ struct sctp_association *sctp_association_new(const struct sctp_endpoint *ep,
{
struct sctp_association *asoc;
- asoc = t_new(struct sctp_association, gfp);
+ asoc = kzalloc(sizeof(*asoc), gfp);
if (!asoc)
goto fail;
@@ -364,7 +351,8 @@ struct sctp_association *sctp_association_new(const struct sctp_endpoint *ep,
goto fail_init;
SCTP_DBG_OBJCNT_INC(assoc);
- SCTP_DEBUG_PRINTK("Created asoc %p\n", asoc);
+
+ pr_debug("Created asoc %p\n", asoc);
return asoc;
@@ -462,7 +450,10 @@ void sctp_association_free(struct sctp_association *asoc)
/* Cleanup and free up an association. */
static void sctp_association_destroy(struct sctp_association *asoc)
{
- SCTP_ASSERT(asoc->base.dead, "Assoc is not dead", return);
+ if (unlikely(!asoc->base.dead)) {
+ WARN(1, "Attempt to destroy undead association %p!\n", asoc);
+ return;
+ }
sctp_endpoint_put(asoc->ep);
sock_put(asoc->base.sk);
@@ -543,11 +534,8 @@ void sctp_assoc_rm_peer(struct sctp_association *asoc,
struct list_head *pos;
struct sctp_transport *transport;
- SCTP_DEBUG_PRINTK_IPADDR("sctp_assoc_rm_peer:association %p addr: ",
- " port: %d\n",
- asoc,
- (&peer->ipaddr),
- ntohs(peer->ipaddr.v4.sin_port));
+ pr_debug("%s: association:%p addr:%pISpc\n",
+ __func__, asoc, &peer->ipaddr.sa);
/* If we are to remove the current retran_path, update it
* to the next peer before removing this peer from the list.
@@ -614,7 +602,7 @@ void sctp_assoc_rm_peer(struct sctp_association *asoc,
/* Start a T3 timer here in case it wasn't running so
* that these migrated packets have a chance to get
- * retrnasmitted.
+ * retransmitted.
*/
if (!timer_pending(&active->T3_rtx_timer))
if (!mod_timer(&active->T3_rtx_timer,
@@ -643,12 +631,8 @@ struct sctp_transport *sctp_assoc_add_peer(struct sctp_association *asoc,
/* AF_INET and AF_INET6 share common port field. */
port = ntohs(addr->v4.sin_port);
- SCTP_DEBUG_PRINTK_IPADDR("sctp_assoc_add_peer:association %p addr: ",
- " port: %d state:%d\n",
- asoc,
- addr,
- port,
- peer_state);
+ pr_debug("%s: association:%p addr:%pISpc state:%d\n", __func__,
+ asoc, &addr->sa, peer_state);
/* Set the port if it has not been set yet. */
if (0 == asoc->peer.port)
@@ -681,7 +665,7 @@ struct sctp_transport *sctp_assoc_add_peer(struct sctp_association *asoc,
/* Set the path max_retrans. */
peer->pathmaxrxt = asoc->pathmaxrxt;
- /* And the partial failure retrnas threshold */
+ /* And the partial failure retrans threshold */
peer->pf_retrans = asoc->pf_retrans;
/* Initialize the peer's SACK delay timeout based on the
@@ -715,8 +699,9 @@ struct sctp_transport *sctp_assoc_add_peer(struct sctp_association *asoc,
else
asoc->pathmtu = peer->pathmtu;
- SCTP_DEBUG_PRINTK("sctp_assoc_add_peer:association %p PMTU set to "
- "%d\n", asoc, asoc->pathmtu);
+ pr_debug("%s: association:%p PMTU set to %d\n", __func__, asoc,
+ asoc->pathmtu);
+
peer->pmtu_pending = 0;
asoc->frag_point = sctp_frag_point(asoc, asoc->pathmtu);
@@ -855,12 +840,12 @@ void sctp_assoc_control_transport(struct sctp_association *asoc,
else
spc_state = SCTP_ADDR_AVAILABLE;
/* Don't inform ULP about transition from PF to
- * active state and set cwnd to 1, see SCTP
+ * active state and set cwnd to 1 MTU, see SCTP
* Quick failover draft section 5.1, point 5
*/
if (transport->state == SCTP_PF) {
ulp_notify = false;
- transport->cwnd = 1;
+ transport->cwnd = asoc->pathmtu;
}
transport->state = SCTP_ACTIVE;
break;
@@ -922,8 +907,8 @@ void sctp_assoc_control_transport(struct sctp_association *asoc,
if (!first || t->last_time_heard > first->last_time_heard) {
second = first;
first = t;
- }
- if (!second || t->last_time_heard > second->last_time_heard)
+ } else if (!second ||
+ t->last_time_heard > second->last_time_heard)
second = t;
}
@@ -944,6 +929,8 @@ void sctp_assoc_control_transport(struct sctp_association *asoc,
first = asoc->peer.primary_path;
}
+ if (!second)
+ second = first;
/* If we failed to find a usable transport, just camp on the
* primary, even if it is inactive.
*/
@@ -1356,12 +1343,8 @@ void sctp_assoc_update_retran_path(struct sctp_association *asoc)
else
t = asoc->peer.retran_path;
- SCTP_DEBUG_PRINTK_IPADDR("sctp_assoc_update_retran_path:association"
- " %p addr: ",
- " port: %d\n",
- asoc,
- (&t->ipaddr),
- ntohs(t->ipaddr.v4.sin_port));
+ pr_debug("%s: association:%p addr:%pISpc\n", __func__, asoc,
+ &t->ipaddr.sa);
}
/* Choose the transport for sending retransmit packet. */
@@ -1408,8 +1391,8 @@ void sctp_assoc_sync_pmtu(struct sock *sk, struct sctp_association *asoc)
asoc->frag_point = sctp_frag_point(asoc, pmtu);
}
- SCTP_DEBUG_PRINTK("%s: asoc:%p, pmtu:%d, frag_point:%d\n",
- __func__, asoc, asoc->pathmtu, asoc->frag_point);
+ pr_debug("%s: asoc:%p, pmtu:%d, frag_point:%d\n", __func__, asoc,
+ asoc->pathmtu, asoc->frag_point);
}
/* Should we send a SACK to update our peer? */
@@ -1461,9 +1444,9 @@ void sctp_assoc_rwnd_increase(struct sctp_association *asoc, unsigned int len)
asoc->rwnd_press -= change;
}
- SCTP_DEBUG_PRINTK("%s: asoc %p rwnd increased by %d to (%u, %u) "
- "- %u\n", __func__, asoc, len, asoc->rwnd,
- asoc->rwnd_over, asoc->a_rwnd);
+ pr_debug("%s: asoc:%p rwnd increased by %d to (%u, %u) - %u\n",
+ __func__, asoc, len, asoc->rwnd, asoc->rwnd_over,
+ asoc->a_rwnd);
/* Send a window update SACK if the rwnd has increased by at least the
* minimum of the association's PMTU and half of the receive buffer.
@@ -1472,9 +1455,11 @@ void sctp_assoc_rwnd_increase(struct sctp_association *asoc, unsigned int len)
*/
if (sctp_peer_needs_update(asoc)) {
asoc->a_rwnd = asoc->rwnd;
- SCTP_DEBUG_PRINTK("%s: Sending window update SACK- asoc: %p "
- "rwnd: %u a_rwnd: %u\n", __func__,
- asoc, asoc->rwnd, asoc->a_rwnd);
+
+ pr_debug("%s: sending window update SACK- asoc:%p rwnd:%u "
+ "a_rwnd:%u\n", __func__, asoc, asoc->rwnd,
+ asoc->a_rwnd);
+
sack = sctp_make_sack(asoc);
if (!sack)
return;
@@ -1496,8 +1481,10 @@ void sctp_assoc_rwnd_decrease(struct sctp_association *asoc, unsigned int len)
int rx_count;
int over = 0;
- SCTP_ASSERT(asoc->rwnd, "rwnd zero", return);
- SCTP_ASSERT(!asoc->rwnd_over, "rwnd_over not zero", return);
+ if (unlikely(!asoc->rwnd || asoc->rwnd_over))
+ pr_debug("%s: association:%p has asoc->rwnd:%u, "
+ "asoc->rwnd_over:%u!\n", __func__, asoc,
+ asoc->rwnd, asoc->rwnd_over);
if (asoc->ep->rcvbuf_policy)
rx_count = atomic_read(&asoc->rmem_alloc);
@@ -1522,9 +1509,10 @@ void sctp_assoc_rwnd_decrease(struct sctp_association *asoc, unsigned int len)
asoc->rwnd_over = len - asoc->rwnd;
asoc->rwnd = 0;
}
- SCTP_DEBUG_PRINTK("%s: asoc %p rwnd decreased by %d to (%u, %u, %u)\n",
- __func__, asoc, len, asoc->rwnd,
- asoc->rwnd_over, asoc->rwnd_press);
+
+ pr_debug("%s: asoc:%p rwnd decreased by %d to (%u, %u, %u)\n",
+ __func__, asoc, len, asoc->rwnd, asoc->rwnd_over,
+ asoc->rwnd_press);
}
/* Build the bind address list for the association based on info from the
diff --git a/net/sctp/auth.c b/net/sctp/auth.c
index ba1dfc3..46b5977 100644
--- a/net/sctp/auth.c
+++ b/net/sctp/auth.c
@@ -22,16 +22,10 @@
*
* Please send any bug reports or fixes you make to the
* email address(es):
- * lksctp developers <lksctp-developers@lists.sourceforge.net>
- *
- * Or submit a bug report through the following website:
- * http://www.sf.net/projects/lksctp
+ * lksctp developers <linux-sctp@vger.kernel.org>
*
* Written or modified by:
* Vlad Yasevich <vladislav.yasevich@hp.com>
- *
- * Any bugs reported given to us we will try to fix... any fixes shared will
- * be incorporated into the next SCTP release.
*/
#include <linux/slab.h>
@@ -545,18 +539,14 @@ struct sctp_hmac *sctp_auth_asoc_get_hmac(const struct sctp_association *asoc)
for (i = 0; i < n_elt; i++) {
id = ntohs(hmacs->hmac_ids[i]);
- /* Check the id is in the supported range */
- if (id > SCTP_AUTH_HMAC_ID_MAX) {
- id = 0;
- continue;
- }
-
- /* See is we support the id. Supported IDs have name and
- * length fields set, so that we can allocated and use
+ /* Check the id is in the supported range. And
+ * see if we support the id. Supported IDs have name and
+ * length fields set, so that we can allocate and use
* them. We can safely just check for name, for without the
* name, we can't allocate the TFM.
*/
- if (!sctp_hmac_list[id].hmac_name) {
+ if (id > SCTP_AUTH_HMAC_ID_MAX ||
+ !sctp_hmac_list[id].hmac_name) {
id = 0;
continue;
}
diff --git a/net/sctp/bind_addr.c b/net/sctp/bind_addr.c
index 41145fe..077bb07 100644
--- a/net/sctp/bind_addr.c
+++ b/net/sctp/bind_addr.c
@@ -27,19 +27,13 @@
*
* Please send any bug reports or fixes you make to the
* email address(es):
- * lksctp developers <lksctp-developers@lists.sourceforge.net>
- *
- * Or submit a bug report through the following website:
- * http://www.sf.net/projects/lksctp
+ * lksctp developers <linux-sctp@vger.kernel.org>
*
* Written or modified by:
* La Monte H.P. Yarroll <piggy@acm.org>
* Karl Knutson <karl@athena.chicago.il.us>
* Jon Grimm <jgrimm@us.ibm.com>
* Daisy Chang <daisyc@us.ibm.com>
- *
- * Any bugs reported given to us we will try to fix... any fixes shared will
- * be incorporated into the next SCTP release.
*/
#include <linux/types.h>
@@ -162,7 +156,7 @@ int sctp_add_bind_addr(struct sctp_bind_addr *bp, union sctp_addr *new,
struct sctp_sockaddr_entry *addr;
/* Add the address to the bind address list. */
- addr = t_new(struct sctp_sockaddr_entry, gfp);
+ addr = kzalloc(sizeof(*addr), gfp);
if (!addr)
return -ENOMEM;
diff --git a/net/sctp/chunk.c b/net/sctp/chunk.c
index 69ce21e..f2044fc 100644
--- a/net/sctp/chunk.c
+++ b/net/sctp/chunk.c
@@ -24,17 +24,11 @@
*
* Please send any bug reports or fixes you make to the
* email address(es):
- * lksctp developers <lksctp-developers@lists.sourceforge.net>
- *
- * Or submit a bug report through the following website:
- * http://www.sf.net/projects/lksctp
+ * lksctp developers <linux-sctp@vger.kernel.org>
*
* Written or modified by:
* Jon Grimm <jgrimm@us.ibm.com>
* Sridhar Samudrala <sri@us.ibm.com>
- *
- * Any bugs reported given to us we will try to fix... any fixes shared will
- * be incorporated into the next SCTP release.
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
@@ -66,7 +60,7 @@ static void sctp_datamsg_init(struct sctp_datamsg *msg)
}
/* Allocate and initialize datamsg. */
-SCTP_STATIC struct sctp_datamsg *sctp_datamsg_new(gfp_t gfp)
+static struct sctp_datamsg *sctp_datamsg_new(gfp_t gfp)
{
struct sctp_datamsg *msg;
msg = kmalloc(sizeof(struct sctp_datamsg), gfp);
@@ -193,20 +187,21 @@ struct sctp_datamsg *sctp_datamsg_from_user(struct sctp_association *asoc,
msg->expires_at = jiffies +
msecs_to_jiffies(sinfo->sinfo_timetolive);
msg->can_abandon = 1;
- SCTP_DEBUG_PRINTK("%s: msg:%p expires_at: %ld jiffies:%ld\n",
- __func__, msg, msg->expires_at, jiffies);
+
+ pr_debug("%s: msg:%p expires_at:%ld jiffies:%ld\n", __func__,
+ msg, msg->expires_at, jiffies);
}
/* This is the biggest possible DATA chunk that can fit into
* the packet
*/
- max_data = asoc->pathmtu -
+ max_data = (asoc->pathmtu -
sctp_sk(asoc->base.sk)->pf->af->net_header_len -
- sizeof(struct sctphdr) - sizeof(struct sctp_data_chunk);
+ sizeof(struct sctphdr) - sizeof(struct sctp_data_chunk)) & ~3;
max = asoc->frag_point;
/* If the the peer requested that we authenticate DATA chunks
- * we need to accound for bundling of the AUTH chunks along with
+ * we need to account for bundling of the AUTH chunks along with
* DATA.
*/
if (sctp_auth_send_cid(SCTP_CID_DATA, asoc)) {
diff --git a/net/sctp/command.c b/net/sctp/command.c
index c004401..3d9a9ff 100644
--- a/net/sctp/command.c
+++ b/net/sctp/command.c
@@ -25,17 +25,11 @@
*
* Please send any bug reports or fixes you make to the
* email address(es):
- * lksctp developers <lksctp-developers@lists.sourceforge.net>
- *
- * Or submit a bug report through the following website:
- * http://www.sf.net/projects/lksctp
+ * lksctp developers <linux-sctp@vger.kernel.org>
*
* Written or modified by:
* La Monte H.P. Yarroll <piggy@acm.org>
* Karl Knutson <karl@athena.chicago.il.us>
- *
- * Any bugs reported given to us we will try to fix... any fixes shared will
- * be incorporated into the next SCTP release.
*/
#include <linux/types.h>
diff --git a/net/sctp/debug.c b/net/sctp/debug.c
index ec997cf..e89015d 100644
--- a/net/sctp/debug.c
+++ b/net/sctp/debug.c
@@ -28,10 +28,7 @@
*
* Please send any bug reports or fixes you make to the
* email address(es):
- * lksctp developers <lksctp-developers@lists.sourceforge.net>
- *
- * Or submit a bug report through the following website:
- * http://www.sf.net/projects/lksctp
+ * lksctp developers <linux-sctp@vger.kernel.org>
*
* Written or modified by:
* La Monte H.P. Yarroll <piggy@acm.org>
@@ -40,17 +37,10 @@
* Jon Grimm <jgrimm@us.ibm.com>
* Daisy Chang <daisyc@us.ibm.com>
* Sridhar Samudrala <sri@us.ibm.com>
- *
- * Any bugs reported given to us we will try to fix... any fixes shared will
- * be incorporated into the next SCTP release.
*/
#include <net/sctp/sctp.h>
-#if SCTP_DEBUG
-int sctp_debug_flag = 1; /* Initially enable DEBUG */
-#endif /* SCTP_DEBUG */
-
/* These are printable forms of Chunk ID's from section 3.1. */
static const char *const sctp_cid_tbl[SCTP_NUM_BASE_CHUNK_TYPES] = {
"DATA",
diff --git a/net/sctp/endpointola.c b/net/sctp/endpointola.c
index 5fbd7bc..09b8daa 100644
--- a/net/sctp/endpointola.c
+++ b/net/sctp/endpointola.c
@@ -29,10 +29,7 @@
*
* Please send any bug reports or fixes you make to the
* email address(es):
- * lksctp developers <lksctp-developers@lists.sourceforge.net>
- *
- * Or submit a bug report through the following website:
- * http://www.sf.net/projects/lksctp
+ * lksctp developers <linux-sctp@vger.kernel.org>
*
* Written or modified by:
* La Monte H.P. Yarroll <piggy@acm.org>
@@ -40,9 +37,6 @@
* Jon Grimm <jgrimm@austin.ibm.com>
* Daisy Chang <daisyc@us.ibm.com>
* Dajiang Zhang <dajiang.zhang@nokia.com>
- *
- * Any bugs reported given to us we will try to fix... any fixes shared will
- * be incorporated into the next SCTP release.
*/
#include <linux/types.h>
@@ -192,9 +186,10 @@ struct sctp_endpoint *sctp_endpoint_new(struct sock *sk, gfp_t gfp)
struct sctp_endpoint *ep;
/* Build a local endpoint. */
- ep = t_new(struct sctp_endpoint, gfp);
+ ep = kzalloc(sizeof(*ep), gfp);
if (!ep)
goto fail;
+
if (!sctp_endpoint_init(ep, sk, gfp))
goto fail_init;
@@ -246,10 +241,12 @@ void sctp_endpoint_free(struct sctp_endpoint *ep)
/* Final destructor for endpoint. */
static void sctp_endpoint_destroy(struct sctp_endpoint *ep)
{
- SCTP_ASSERT(ep->base.dead, "Endpoint is not dead", return);
+ struct sock *sk;
- /* Free up the HMAC transform. */
- crypto_free_hash(sctp_sk(ep->base.sk)->hmac);
+ if (unlikely(!ep->base.dead)) {
+ WARN(1, "Attempt to destroy undead endpoint %p!\n", ep);
+ return;
+ }
/* Free the digest buffer */
kfree(ep->digest);
@@ -270,13 +267,15 @@ static void sctp_endpoint_destroy(struct sctp_endpoint *ep)
memset(ep->secret_key, 0, sizeof(ep->secret_key));
- /* Remove and free the port */
- if (sctp_sk(ep->base.sk)->bind_hash)
- sctp_put_port(ep->base.sk);
-
/* Give up our hold on the sock. */
- if (ep->base.sk)
- sock_put(ep->base.sk);
+ sk = ep->base.sk;
+ if (sk != NULL) {
+ /* Remove and free the port */
+ if (sctp_sk(sk)->bind_hash)
+ sctp_put_port(sk);
+
+ sock_put(sk);
+ }
kfree(ep);
SCTP_DBG_OBJCNT_DEC(ep);
diff --git a/net/sctp/input.c b/net/sctp/input.c
index 4b2c831..98b69bb 100644
--- a/net/sctp/input.c
+++ b/net/sctp/input.c
@@ -29,10 +29,7 @@
*
* Please send any bug reports or fixes you make to the
* email address(es):
- * lksctp developers <lksctp-developers@lists.sourceforge.net>
- *
- * Or submit a bug report through the following website:
- * http://www.sf.net/projects/lksctp
+ * lksctp developers <linux-sctp@vger.kernel.org>
*
* Written or modified by:
* La Monte H.P. Yarroll <piggy@acm.org>
@@ -43,9 +40,6 @@
* Daisy Chang <daisyc@us.ibm.com>
* Sridhar Samudrala <sri@us.ibm.com>
* Ardelle Fan <ardelle.fan@intel.com>
- *
- * Any bugs reported given to us we will try to fix... any fixes shared will
- * be incorporated into the next SCTP release.
*/
#include <linux/types.h>
@@ -87,15 +81,7 @@ static inline int sctp_rcv_checksum(struct net *net, struct sk_buff *skb)
{
struct sctphdr *sh = sctp_hdr(skb);
__le32 cmp = sh->checksum;
- struct sk_buff *list;
- __le32 val;
- __u32 tmp = sctp_start_cksum((__u8 *)sh, skb_headlen(skb));
-
- skb_walk_frags(skb, list)
- tmp = sctp_update_cksum((__u8 *)list->data, skb_headlen(list),
- tmp);
-
- val = sctp_end_cksum(tmp);
+ __le32 val = sctp_compute_cksum(skb, 0);
if (val != cmp) {
/* CRC failure, dump it. */
@@ -454,8 +440,6 @@ void sctp_icmp_proto_unreachable(struct sock *sk,
struct sctp_association *asoc,
struct sctp_transport *t)
{
- SCTP_DEBUG_PRINTK("%s\n", __func__);
-
if (sock_owned_by_user(sk)) {
if (timer_pending(&t->proto_unreach_timer))
return;
@@ -464,10 +448,12 @@ void sctp_icmp_proto_unreachable(struct sock *sk,
jiffies + (HZ/20)))
sctp_association_hold(asoc);
}
-
} else {
struct net *net = sock_net(sk);
+ pr_debug("%s: unrecognized next header type "
+ "encountered!\n", __func__);
+
if (del_timer(&t->proto_unreach_timer))
sctp_association_put(asoc);
@@ -589,7 +575,7 @@ void sctp_v4_err(struct sk_buff *skb, __u32 info)
struct sctp_association *asoc = NULL;
struct sctp_transport *transport;
struct inet_sock *inet;
- sk_buff_data_t saveip, savesctp;
+ __u16 saveip, savesctp;
int err;
struct net *net = dev_net(skb->dev);
@@ -648,8 +634,7 @@ void sctp_v4_err(struct sk_buff *skb, __u32 info)
break;
case ICMP_REDIRECT:
sctp_icmp_redirect(sk, transport, skb);
- err = 0;
- break;
+ /* Fall through to out_unlock. */
default:
goto out_unlock;
}
@@ -903,11 +888,11 @@ hit:
}
/* Look up an association. BH-safe. */
-SCTP_STATIC
+static
struct sctp_association *sctp_lookup_association(struct net *net,
const union sctp_addr *laddr,
const union sctp_addr *paddr,
- struct sctp_transport **transportp)
+ struct sctp_transport **transportp)
{
struct sctp_association *asoc;
diff --git a/net/sctp/inqueue.c b/net/sctp/inqueue.c
index 3221d07..5856932 100644
--- a/net/sctp/inqueue.c
+++ b/net/sctp/inqueue.c
@@ -30,17 +30,11 @@
*
* Please send any bug reports or fixes you make to the
* email address(es):
- * lksctp developers <lksctp-developers@lists.sourceforge.net>
- *
- * Or submit a bug report through the following website:
- * http://www.sf.net/projects/lksctp
+ * lksctp developers <linux-sctp@vger.kernel.org>
*
* Written or modified by:
* La Monte H.P. Yarroll <piggy@acm.org>
* Karl Knutson <karl@athena.chicago.il.us>
- *
- * Any bugs reported given to us we will try to fix... any fixes shared will
- * be incorporated into the next SCTP release.
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
@@ -219,10 +213,10 @@ struct sctp_chunk *sctp_inq_pop(struct sctp_inq *queue)
chunk->end_of_packet = 1;
}
- SCTP_DEBUG_PRINTK("+++sctp_inq_pop+++ chunk %p[%s],"
- " length %d, skb->len %d\n",chunk,
- sctp_cname(SCTP_ST_CHUNK(chunk->chunk_hdr->type)),
- ntohs(chunk->chunk_hdr->length), chunk->skb->len);
+ pr_debug("+++sctp_inq_pop+++ chunk:%p[%s], length:%d, skb->len:%d\n",
+ chunk, sctp_cname(SCTP_ST_CHUNK(chunk->chunk_hdr->type)),
+ ntohs(chunk->chunk_hdr->length), chunk->skb->len);
+
return chunk;
}
@@ -238,4 +232,3 @@ void sctp_inq_set_th_handler(struct sctp_inq *q, work_func_t callback)
{
INIT_WORK(&q->immediate, callback);
}
-
diff --git a/net/sctp/ipv6.c b/net/sctp/ipv6.c
index 391a245..7567e6f 100644
--- a/net/sctp/ipv6.c
+++ b/net/sctp/ipv6.c
@@ -27,10 +27,7 @@
*
* Please send any bug reports or fixes you make to the
* email address(es):
- * lksctp developers <lksctp-developers@lists.sourceforge.net>
- *
- * Or submit a bug report through the following website:
- * http://www.sf.net/projects/lksctp
+ * lksctp developers <linux-sctp@vger.kernel.org>
*
* Written or modified by:
* Le Yanqun <yanqun.le@nokia.com>
@@ -42,9 +39,6 @@
*
* Based on:
* linux/net/ipv6/tcp_ipv6.c
- *
- * Any bugs reported given to us we will try to fix... any fixes shared will
- * be incorporated into the next SCTP release.
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
@@ -145,15 +139,15 @@ static struct notifier_block sctp_inet6addr_notifier = {
};
/* ICMP error handler. */
-SCTP_STATIC void sctp_v6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
- u8 type, u8 code, int offset, __be32 info)
+static void sctp_v6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
+ u8 type, u8 code, int offset, __be32 info)
{
struct inet6_dev *idev;
struct sock *sk;
struct sctp_association *asoc;
struct sctp_transport *transport;
struct ipv6_pinfo *np;
- sk_buff_data_t saveip, savesctp;
+ __u16 saveip, savesctp;
int err;
struct net *net = dev_net(skb->dev);
@@ -189,7 +183,7 @@ SCTP_STATIC void sctp_v6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
break;
case NDISC_REDIRECT:
sctp_icmp_redirect(sk, transport, skb);
- break;
+ goto out_unlock;
default:
break;
}
@@ -210,45 +204,23 @@ out:
in6_dev_put(idev);
}
-/* Based on tcp_v6_xmit() in tcp_ipv6.c. */
static int sctp_v6_xmit(struct sk_buff *skb, struct sctp_transport *transport)
{
struct sock *sk = skb->sk;
struct ipv6_pinfo *np = inet6_sk(sk);
- struct flowi6 fl6;
+ struct flowi6 *fl6 = &transport->fl.u.ip6;
- memset(&fl6, 0, sizeof(fl6));
+ pr_debug("%s: skb:%p, len:%d, src:%pI6 dst:%pI6\n", __func__, skb,
+ skb->len, &fl6->saddr, &fl6->daddr);
- fl6.flowi6_proto = sk->sk_protocol;
-
- /* Fill in the dest address from the route entry passed with the skb
- * and the source address from the transport.
- */
- fl6.daddr = transport->ipaddr.v6.sin6_addr;
- fl6.saddr = transport->saddr.v6.sin6_addr;
-
- fl6.flowlabel = np->flow_label;
- IP6_ECN_flow_xmit(sk, fl6.flowlabel);
- if (ipv6_addr_type(&fl6.saddr) & IPV6_ADDR_LINKLOCAL)
- fl6.flowi6_oif = transport->saddr.v6.sin6_scope_id;
- else
- fl6.flowi6_oif = sk->sk_bound_dev_if;
-
- if (np->opt && np->opt->srcrt) {
- struct rt0_hdr *rt0 = (struct rt0_hdr *) np->opt->srcrt;
- fl6.daddr = *rt0->addr;
- }
-
- SCTP_DEBUG_PRINTK("%s: skb:%p, len:%d, src:%pI6 dst:%pI6\n",
- __func__, skb, skb->len,
- &fl6.saddr, &fl6.daddr);
-
- SCTP_INC_STATS(sock_net(sk), SCTP_MIB_OUTSCTPPACKS);
+ IP6_ECN_flow_xmit(sk, fl6->flowlabel);
if (!(transport->param_flags & SPP_PMTUD_ENABLE))
skb->local_df = 1;
- return ip6_xmit(sk, skb, &fl6, np->opt, np->tclass);
+ SCTP_INC_STATS(sock_net(sk), SCTP_MIB_OUTSCTPPACKS);
+
+ return ip6_xmit(sk, skb, fl6, np->opt, np->tclass);
}
/* Returns the dst cache entry for the given source and destination ip
@@ -261,10 +233,12 @@ static void sctp_v6_get_dst(struct sctp_transport *t, union sctp_addr *saddr,
struct dst_entry *dst = NULL;
struct flowi6 *fl6 = &fl->u.ip6;
struct sctp_bind_addr *bp;
+ struct ipv6_pinfo *np = inet6_sk(sk);
struct sctp_sockaddr_entry *laddr;
union sctp_addr *baddr = NULL;
union sctp_addr *daddr = &t->ipaddr;
union sctp_addr dst_saddr;
+ struct in6_addr *final_p, final;
__u8 matchlen = 0;
__u8 bmatchlen;
sctp_scope_t scope;
@@ -276,7 +250,7 @@ static void sctp_v6_get_dst(struct sctp_transport *t, union sctp_addr *saddr,
if (ipv6_addr_type(&daddr->v6.sin6_addr) & IPV6_ADDR_LINKLOCAL)
fl6->flowi6_oif = daddr->v6.sin6_scope_id;
- SCTP_DEBUG_PRINTK("%s: DST=%pI6 ", __func__, &fl6->daddr);
+ pr_debug("%s: dst=%pI6 ", __func__, &fl6->daddr);
if (asoc)
fl6->fl6_sport = htons(asoc->base.bind_addr.port);
@@ -284,10 +258,12 @@ static void sctp_v6_get_dst(struct sctp_transport *t, union sctp_addr *saddr,
if (saddr) {
fl6->saddr = saddr->v6.sin6_addr;
fl6->fl6_sport = saddr->v6.sin6_port;
- SCTP_DEBUG_PRINTK("SRC=%pI6 - ", &fl6->saddr);
+
+ pr_debug("src=%pI6 - ", &fl6->saddr);
}
- dst = ip6_dst_lookup_flow(sk, fl6, NULL, false);
+ final_p = fl6_update_dst(fl6, np->opt, &final);
+ dst = ip6_dst_lookup_flow(sk, fl6, final_p, false);
if (!asoc || saddr)
goto out;
@@ -303,7 +279,9 @@ static void sctp_v6_get_dst(struct sctp_transport *t, union sctp_addr *saddr,
sctp_v6_to_addr(&dst_saddr, &fl6->saddr, htons(bp->port));
rcu_read_lock();
list_for_each_entry_rcu(laddr, &bp->address_list, list) {
- if (!laddr->valid || (laddr->state != SCTP_ADDR_SRC))
+ if (!laddr->valid || laddr->state == SCTP_ADDR_DEL ||
+ (laddr->state != SCTP_ADDR_SRC &&
+ !asoc->src_out_of_asoc_ok))
continue;
/* Do not compare against v4 addrs */
@@ -339,22 +317,27 @@ static void sctp_v6_get_dst(struct sctp_transport *t, union sctp_addr *saddr,
}
}
rcu_read_unlock();
+
if (baddr) {
fl6->saddr = baddr->v6.sin6_addr;
fl6->fl6_sport = baddr->v6.sin6_port;
- dst = ip6_dst_lookup_flow(sk, fl6, NULL, false);
+ final_p = fl6_update_dst(fl6, np->opt, &final);
+ dst = ip6_dst_lookup_flow(sk, fl6, final_p, false);
}
out:
if (!IS_ERR_OR_NULL(dst)) {
struct rt6_info *rt;
+
rt = (struct rt6_info *)dst;
t->dst = dst;
- SCTP_DEBUG_PRINTK("rt6_dst:%pI6 rt6_src:%pI6\n",
- &rt->rt6i_dst.addr, &fl6->saddr);
+ t->dst_cookie = rt->rt6i_node ? rt->rt6i_node->fn_sernum : 0;
+ pr_debug("rt6_dst:%pI6 rt6_src:%pI6\n", &rt->rt6i_dst.addr,
+ &fl6->saddr);
} else {
t->dst = NULL;
- SCTP_DEBUG_PRINTK("NO ROUTE\n");
+
+ pr_debug("no route\n");
}
}
@@ -377,7 +360,7 @@ static void sctp_v6_get_saddr(struct sctp_sock *sk,
struct flowi6 *fl6 = &fl->u.ip6;
union sctp_addr *saddr = &t->saddr;
- SCTP_DEBUG_PRINTK("%s: asoc:%p dst:%p\n", __func__, t->asoc, t->dst);
+ pr_debug("%s: asoc:%p dst:%p\n", __func__, t->asoc, t->dst);
if (t->dst) {
saddr->v6.sin6_family = AF_INET6;
@@ -402,7 +385,7 @@ static void sctp_v6_copy_addrlist(struct list_head *addrlist,
read_lock_bh(&in6_dev->lock);
list_for_each_entry(ifp, &in6_dev->addr_list, if_list) {
/* Add the address to the local list. */
- addr = t_new(struct sctp_sockaddr_entry, GFP_ATOMIC);
+ addr = kzalloc(sizeof(*addr), GFP_ATOMIC);
if (addr) {
addr->a.v6.sin6_family = AF_INET6;
addr->a.v6.sin6_port = 0;
@@ -445,20 +428,20 @@ static void sctp_v6_from_sk(union sctp_addr *addr, struct sock *sk)
{
addr->v6.sin6_family = AF_INET6;
addr->v6.sin6_port = 0;
- addr->v6.sin6_addr = inet6_sk(sk)->rcv_saddr;
+ addr->v6.sin6_addr = sk->sk_v6_rcv_saddr;
}
/* Initialize sk->sk_rcv_saddr from sctp_addr. */
static void sctp_v6_to_sk_saddr(union sctp_addr *addr, struct sock *sk)
{
if (addr->sa.sa_family == AF_INET && sctp_sk(sk)->v4mapped) {
- inet6_sk(sk)->rcv_saddr.s6_addr32[0] = 0;
- inet6_sk(sk)->rcv_saddr.s6_addr32[1] = 0;
- inet6_sk(sk)->rcv_saddr.s6_addr32[2] = htonl(0x0000ffff);
- inet6_sk(sk)->rcv_saddr.s6_addr32[3] =
+ sk->sk_v6_rcv_saddr.s6_addr32[0] = 0;
+ sk->sk_v6_rcv_saddr.s6_addr32[1] = 0;
+ sk->sk_v6_rcv_saddr.s6_addr32[2] = htonl(0x0000ffff);
+ sk->sk_v6_rcv_saddr.s6_addr32[3] =
addr->v4.sin_addr.s_addr;
} else {
- inet6_sk(sk)->rcv_saddr = addr->v6.sin6_addr;
+ sk->sk_v6_rcv_saddr = addr->v6.sin6_addr;
}
}
@@ -466,12 +449,12 @@ static void sctp_v6_to_sk_saddr(union sctp_addr *addr, struct sock *sk)
static void sctp_v6_to_sk_daddr(union sctp_addr *addr, struct sock *sk)
{
if (addr->sa.sa_family == AF_INET && sctp_sk(sk)->v4mapped) {
- inet6_sk(sk)->daddr.s6_addr32[0] = 0;
- inet6_sk(sk)->daddr.s6_addr32[1] = 0;
- inet6_sk(sk)->daddr.s6_addr32[2] = htonl(0x0000ffff);
- inet6_sk(sk)->daddr.s6_addr32[3] = addr->v4.sin_addr.s_addr;
+ sk->sk_v6_daddr.s6_addr32[0] = 0;
+ sk->sk_v6_daddr.s6_addr32[1] = 0;
+ sk->sk_v6_daddr.s6_addr32[2] = htonl(0x0000ffff);
+ sk->sk_v6_daddr.s6_addr32[3] = addr->v4.sin_addr.s_addr;
} else {
- inet6_sk(sk)->daddr = addr->v6.sin6_addr;
+ sk->sk_v6_daddr = addr->v6.sin6_addr;
}
}
diff --git a/net/sctp/objcnt.c b/net/sctp/objcnt.c
index fe012c4..647396b 100644
--- a/net/sctp/objcnt.c
+++ b/net/sctp/objcnt.c
@@ -26,16 +26,10 @@
*
* Please send any bug reports or fixes you make to the
* email address(es):
- * lksctp developers <lksctp-developers@lists.sourceforge.net>
- *
- * Or submit a bug report through the following website:
- * http://www.sf.net/projects/lksctp
+ * lksctp developers <linux-sctp@vger.kernel.org>
*
* Written or modified by:
* Jon Grimm <jgrimm@us.ibm.com>
- *
- * Any bugs reported given to us we will try to fix... any fixes shared will
- * be incorporated into the next SCTP release.
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
@@ -85,12 +79,13 @@ static sctp_dbg_objcnt_entry_t sctp_dbg_objcnt[] = {
*/
static int sctp_objcnt_seq_show(struct seq_file *seq, void *v)
{
- int i, len;
+ int i;
i = (int)*(loff_t *)v;
- seq_printf(seq, "%s: %d%n", sctp_dbg_objcnt[i].label,
- atomic_read(sctp_dbg_objcnt[i].counter), &len);
- seq_printf(seq, "%*s\n", 127 - len, "");
+ seq_setwidth(seq, 127);
+ seq_printf(seq, "%s: %d", sctp_dbg_objcnt[i].label,
+ atomic_read(sctp_dbg_objcnt[i].counter));
+ seq_pad(seq, '\n');
return 0;
}
diff --git a/net/sctp/output.c b/net/sctp/output.c
index bbef4a7..0e2644d 100644
--- a/net/sctp/output.c
+++ b/net/sctp/output.c
@@ -26,19 +26,13 @@
*
* Please send any bug reports or fixes you make to the
* email address(es):
- * lksctp developers <lksctp-developers@lists.sourceforge.net>
- *
- * Or submit a bug report through the following website:
- * http://www.sf.net/projects/lksctp
+ * lksctp developers <linux-sctp@vger.kernel.org>
*
* Written or modified by:
* La Monte H.P. Yarroll <piggy@acm.org>
* Karl Knutson <karl@athena.chicago.il.us>
* Jon Grimm <jgrimm@austin.ibm.com>
* Sridhar Samudrala <sri@us.ibm.com>
- *
- * Any bugs reported given to us we will try to fix... any fixes shared will
- * be incorporated into the next SCTP release.
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
@@ -93,8 +87,7 @@ struct sctp_packet *sctp_packet_config(struct sctp_packet *packet,
{
struct sctp_chunk *chunk = NULL;
- SCTP_DEBUG_PRINTK("%s: packet:%p vtag:0x%x\n", __func__,
- packet, vtag);
+ pr_debug("%s: packet:%p vtag:0x%x\n", __func__, packet, vtag);
packet->vtag = vtag;
@@ -119,8 +112,7 @@ struct sctp_packet *sctp_packet_init(struct sctp_packet *packet,
struct sctp_association *asoc = transport->asoc;
size_t overhead;
- SCTP_DEBUG_PRINTK("%s: packet:%p transport:%p\n", __func__,
- packet, transport);
+ pr_debug("%s: packet:%p transport:%p\n", __func__, packet, transport);
packet->transport = transport;
packet->source_port = sport;
@@ -145,7 +137,7 @@ void sctp_packet_free(struct sctp_packet *packet)
{
struct sctp_chunk *chunk, *tmp;
- SCTP_DEBUG_PRINTK("%s: packet:%p\n", __func__, packet);
+ pr_debug("%s: packet:%p\n", __func__, packet);
list_for_each_entry_safe(chunk, tmp, &packet->chunk_list, list) {
list_del_init(&chunk->list);
@@ -167,8 +159,7 @@ sctp_xmit_t sctp_packet_transmit_chunk(struct sctp_packet *packet,
sctp_xmit_t retval;
int error = 0;
- SCTP_DEBUG_PRINTK("%s: packet:%p chunk:%p\n", __func__,
- packet, chunk);
+ pr_debug("%s: packet:%p chunk:%p\n", __func__, packet, chunk);
switch ((retval = (sctp_packet_append_chunk(packet, chunk)))) {
case SCTP_XMIT_PMTU_FULL:
@@ -334,8 +325,7 @@ sctp_xmit_t sctp_packet_append_chunk(struct sctp_packet *packet,
{
sctp_xmit_t retval = SCTP_XMIT_OK;
- SCTP_DEBUG_PRINTK("%s: packet:%p chunk:%p\n", __func__, packet,
- chunk);
+ pr_debug("%s: packet:%p chunk:%p\n", __func__, packet, chunk);
/* Data chunks are special. Before seeing what else we can
* bundle into this packet, check to see if we are allowed to
@@ -400,9 +390,8 @@ int sctp_packet_transmit(struct sctp_packet *packet)
__u8 has_data = 0;
struct dst_entry *dst = tp->dst;
unsigned char *auth = NULL; /* pointer to auth in skb data */
- __u32 cksum_buf_len = sizeof(struct sctphdr);
- SCTP_DEBUG_PRINTK("%s: packet:%p\n", __func__, packet);
+ pr_debug("%s: packet:%p\n", __func__, packet);
/* Do NOT generate a chunkless packet. */
if (list_empty(&packet->chunk_list))
@@ -472,7 +461,9 @@ int sctp_packet_transmit(struct sctp_packet *packet)
*
* [This whole comment explains WORD_ROUND() below.]
*/
- SCTP_DEBUG_PRINTK("***sctp_transmit_packet***\n");
+
+ pr_debug("***sctp_transmit_packet***\n");
+
list_for_each_entry_safe(chunk, tmp, &packet->chunk_list, list) {
list_del_init(&chunk->list);
if (sctp_chunk_is_data(chunk)) {
@@ -483,10 +474,11 @@ int sctp_packet_transmit(struct sctp_packet *packet)
* for a given destination transport address.
*/
- if (!tp->rto_pending) {
+ if (!chunk->resent && !tp->rto_pending) {
chunk->rtt_in_progress = 1;
tp->rto_pending = 1;
}
+
has_data = 1;
}
@@ -501,20 +493,16 @@ int sctp_packet_transmit(struct sctp_packet *packet)
if (chunk == packet->auth)
auth = skb_tail_pointer(nskb);
- cksum_buf_len += chunk->skb->len;
memcpy(skb_put(nskb, chunk->skb->len),
chunk->skb->data, chunk->skb->len);
- SCTP_DEBUG_PRINTK("%s %p[%s] %s 0x%x, %s %d, %s %d, %s %d\n",
- "*** Chunk", chunk,
- sctp_cname(SCTP_ST_CHUNK(
- chunk->chunk_hdr->type)),
- chunk->has_tsn ? "TSN" : "No TSN",
- chunk->has_tsn ?
- ntohl(chunk->subh.data_hdr->tsn) : 0,
- "length", ntohs(chunk->chunk_hdr->length),
- "chunk->skb->len", chunk->skb->len,
- "rtt_in_progress", chunk->rtt_in_progress);
+ pr_debug("*** Chunk:%p[%s] %s 0x%x, length:%d, chunk->skb->len:%d, "
+ "rtt_in_progress:%d\n", chunk,
+ sctp_cname(SCTP_ST_CHUNK(chunk->chunk_hdr->type)),
+ chunk->has_tsn ? "TSN" : "No TSN",
+ chunk->has_tsn ? ntohl(chunk->subh.data_hdr->tsn) : 0,
+ ntohs(chunk->chunk_hdr->length), chunk->skb->len,
+ chunk->rtt_in_progress);
/*
* If this is a control chunk, this is our last
@@ -547,13 +535,9 @@ int sctp_packet_transmit(struct sctp_packet *packet)
* by CRC32-C as described in <draft-ietf-tsvwg-sctpcsum-02.txt>.
*/
if (!sctp_checksum_disable) {
- if (!(dst->dev->features & NETIF_F_SCTP_CSUM)) {
- __u32 crc32 = sctp_start_cksum((__u8 *)sh, cksum_buf_len);
-
- /* 3) Put the resultant value into the checksum field in the
- * common header, and leave the rest of the bits unchanged.
- */
- sh->checksum = sctp_end_cksum(crc32);
+ if (!(dst->dev->features & NETIF_F_SCTP_CSUM) ||
+ (dst_xfrm(dst) != NULL) || packet->ipfragok) {
+ sh->checksum = sctp_compute_cksum(nskb, 0);
} else {
/* no need to seed pseudo checksum for SCTP */
nskb->ip_summed = CHECKSUM_PARTIAL;
@@ -606,8 +590,7 @@ int sctp_packet_transmit(struct sctp_packet *packet)
}
}
- SCTP_DEBUG_PRINTK("***sctp_transmit_packet*** skb len %d\n",
- nskb->len);
+ pr_debug("***sctp_transmit_packet*** skb->len:%d\n", nskb->len);
nskb->local_df = packet->ipfragok;
(*tp->af_specific->sctp_xmit)(nskb, tp);
diff --git a/net/sctp/outqueue.c b/net/sctp/outqueue.c
index be35e2d..f51ba98 100644
--- a/net/sctp/outqueue.c
+++ b/net/sctp/outqueue.c
@@ -28,10 +28,7 @@
*
* Please send any bug reports or fixes you make to the
* email address(es):
- * lksctp developers <lksctp-developers@lists.sourceforge.net>
- *
- * Or submit a bug report through the following website:
- * http://www.sf.net/projects/lksctp
+ * lksctp developers <linux-sctp@vger.kernel.org>
*
* Written or modified by:
* La Monte H.P. Yarroll <piggy@acm.org>
@@ -41,9 +38,6 @@
* Hui Huang <hui.huang@nokia.com>
* Sridhar Samudrala <sri@us.ibm.com>
* Jon Grimm <jgrimm@us.ibm.com>
- *
- * Any bugs reported given to us we will try to fix... any fixes shared will
- * be incorporated into the next SCTP release.
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
@@ -299,10 +293,10 @@ int sctp_outq_tail(struct sctp_outq *q, struct sctp_chunk *chunk)
struct net *net = sock_net(q->asoc->base.sk);
int error = 0;
- SCTP_DEBUG_PRINTK("sctp_outq_tail(%p, %p[%s])\n",
- q, chunk, chunk && chunk->chunk_hdr ?
- sctp_cname(SCTP_ST_CHUNK(chunk->chunk_hdr->type))
- : "Illegal Chunk");
+ pr_debug("%s: outq:%p, chunk:%p[%s]\n", __func__, q, chunk,
+ chunk && chunk->chunk_hdr ?
+ sctp_cname(SCTP_ST_CHUNK(chunk->chunk_hdr->type)) :
+ "illegal chunk");
/* If it is data, queue it up, otherwise, send it
* immediately.
@@ -328,10 +322,10 @@ int sctp_outq_tail(struct sctp_outq *q, struct sctp_chunk *chunk)
break;
default:
- SCTP_DEBUG_PRINTK("outqueueing (%p, %p[%s])\n",
- q, chunk, chunk && chunk->chunk_hdr ?
- sctp_cname(SCTP_ST_CHUNK(chunk->chunk_hdr->type))
- : "Illegal Chunk");
+ pr_debug("%s: outqueueing: outq:%p, chunk:%p[%s])\n",
+ __func__, q, chunk, chunk && chunk->chunk_hdr ?
+ sctp_cname(SCTP_ST_CHUNK(chunk->chunk_hdr->type)) :
+ "illegal chunk");
sctp_outq_tail_data(q, chunk);
if (chunk->chunk_hdr->flags & SCTP_DATA_UNORDERED)
@@ -452,6 +446,8 @@ void sctp_retransmit_mark(struct sctp_outq *q,
transport->rto_pending = 0;
}
+ chunk->resent = 1;
+
/* Move the chunk to the retransmit queue. The chunks
* on the retransmit queue are always kept in order.
*/
@@ -460,14 +456,10 @@ void sctp_retransmit_mark(struct sctp_outq *q,
}
}
- SCTP_DEBUG_PRINTK("%s: transport: %p, reason: %d, "
- "cwnd: %d, ssthresh: %d, flight_size: %d, "
- "pba: %d\n", __func__,
- transport, reason,
- transport->cwnd, transport->ssthresh,
- transport->flight_size,
- transport->partial_bytes_acked);
-
+ pr_debug("%s: transport:%p, reason:%d, cwnd:%d, ssthresh:%d, "
+ "flight_size:%d, pba:%d\n", __func__, transport, reason,
+ transport->cwnd, transport->ssthresh, transport->flight_size,
+ transport->partial_bytes_acked);
}
/* Mark all the eligible packets on a transport for retransmission and force
@@ -1014,19 +1006,13 @@ static int sctp_outq_flush(struct sctp_outq *q, int rtx_timeout)
sctp_transport_burst_limited(transport);
}
- SCTP_DEBUG_PRINTK("sctp_outq_flush(%p, %p[%s]), ",
- q, chunk,
- chunk && chunk->chunk_hdr ?
- sctp_cname(SCTP_ST_CHUNK(
- chunk->chunk_hdr->type))
- : "Illegal Chunk");
-
- SCTP_DEBUG_PRINTK("TX TSN 0x%x skb->head "
- "%p skb->users %d.\n",
- ntohl(chunk->subh.data_hdr->tsn),
- chunk->skb ?chunk->skb->head : NULL,
- chunk->skb ?
- atomic_read(&chunk->skb->users) : -1);
+ pr_debug("%s: outq:%p, chunk:%p[%s], tx-tsn:0x%x skb->head:%p "
+ "skb->users:%d\n",
+ __func__, q, chunk, chunk && chunk->chunk_hdr ?
+ sctp_cname(SCTP_ST_CHUNK(chunk->chunk_hdr->type)) :
+ "illegal chunk", ntohl(chunk->subh.data_hdr->tsn),
+ chunk->skb ? chunk->skb->head : NULL, chunk->skb ?
+ atomic_read(&chunk->skb->users) : -1);
/* Add the chunk to the packet. */
status = sctp_packet_transmit_chunk(packet, chunk, 0);
@@ -1038,10 +1024,10 @@ static int sctp_outq_flush(struct sctp_outq *q, int rtx_timeout)
/* We could not append this chunk, so put
* the chunk back on the output queue.
*/
- SCTP_DEBUG_PRINTK("sctp_outq_flush: could "
- "not transmit TSN: 0x%x, status: %d\n",
- ntohl(chunk->subh.data_hdr->tsn),
- status);
+ pr_debug("%s: could not transmit tsn:0x%x, status:%d\n",
+ __func__, ntohl(chunk->subh.data_hdr->tsn),
+ status);
+
sctp_outq_head_data(q, chunk);
goto sctp_flush_out;
break;
@@ -1284,11 +1270,10 @@ int sctp_outq_sack(struct sctp_outq *q, struct sctp_chunk *chunk)
sctp_generate_fwdtsn(q, sack_ctsn);
- SCTP_DEBUG_PRINTK("%s: sack Cumulative TSN Ack is 0x%x.\n",
- __func__, sack_ctsn);
- SCTP_DEBUG_PRINTK("%s: Cumulative TSN Ack of association, "
- "%p is 0x%x. Adv peer ack point: 0x%x\n",
- __func__, asoc, ctsn, asoc->adv_peer_ack_point);
+ pr_debug("%s: sack cumulative tsn ack:0x%x\n", __func__, sack_ctsn);
+ pr_debug("%s: cumulative tsn ack of assoc:%p is 0x%x, "
+ "advertised peer ack point:0x%x\n", __func__, asoc, ctsn,
+ asoc->adv_peer_ack_point);
/* See if all chunks are acked.
* Make sure the empty queue handler will get run later.
@@ -1304,7 +1289,7 @@ int sctp_outq_sack(struct sctp_outq *q, struct sctp_chunk *chunk)
goto finish;
}
- SCTP_DEBUG_PRINTK("sack queue is empty.\n");
+ pr_debug("%s: sack queue is empty\n", __func__);
finish:
return q->empty;
}
@@ -1345,21 +1330,7 @@ static void sctp_check_transmitted(struct sctp_outq *q,
__u8 restart_timer = 0;
int bytes_acked = 0;
int migrate_bytes = 0;
-
- /* These state variables are for coherent debug output. --xguo */
-
-#if SCTP_DEBUG
- __u32 dbg_ack_tsn = 0; /* An ACKed TSN range starts here... */
- __u32 dbg_last_ack_tsn = 0; /* ...and finishes here. */
- __u32 dbg_kept_tsn = 0; /* An un-ACKed range starts here... */
- __u32 dbg_last_kept_tsn = 0; /* ...and finishes here. */
-
- /* 0 : The last TSN was ACKed.
- * 1 : The last TSN was NOT ACKed (i.e. KEPT).
- * -1: We need to initialize.
- */
- int dbg_prt_state = -1;
-#endif /* SCTP_DEBUG */
+ bool forward_progress = false;
sack_ctsn = ntohl(sack->cum_tsn_ack);
@@ -1406,6 +1377,7 @@ static void sctp_check_transmitted(struct sctp_outq *q,
* instance).
*/
if (!tchunk->tsn_gap_acked &&
+ !tchunk->resent &&
tchunk->rtt_in_progress) {
tchunk->rtt_in_progress = 0;
rtt = jiffies - tchunk->sent_at;
@@ -1422,10 +1394,12 @@ static void sctp_check_transmitted(struct sctp_outq *q,
*/
if (!tchunk->tsn_gap_acked) {
tchunk->tsn_gap_acked = 1;
- *highest_new_tsn_in_sack = tsn;
+ if (TSN_lt(*highest_new_tsn_in_sack, tsn))
+ *highest_new_tsn_in_sack = tsn;
bytes_acked += sctp_data_size(tchunk);
if (!tchunk->transport)
migrate_bytes += sctp_data_size(tchunk);
+ forward_progress = true;
}
if (TSN_lte(tsn, sack_ctsn)) {
@@ -1439,6 +1413,7 @@ static void sctp_check_transmitted(struct sctp_outq *q,
* current RTO.
*/
restart_timer = 1;
+ forward_progress = true;
if (!tchunk->tsn_gap_acked) {
/*
@@ -1482,57 +1457,11 @@ static void sctp_check_transmitted(struct sctp_outq *q,
*/
list_add_tail(lchunk, &tlist);
}
-
-#if SCTP_DEBUG
- switch (dbg_prt_state) {
- case 0: /* last TSN was ACKed */
- if (dbg_last_ack_tsn + 1 == tsn) {
- /* This TSN belongs to the
- * current ACK range.
- */
- break;
- }
-
- if (dbg_last_ack_tsn != dbg_ack_tsn) {
- /* Display the end of the
- * current range.
- */
- SCTP_DEBUG_PRINTK_CONT("-%08x",
- dbg_last_ack_tsn);
- }
-
- /* Start a new range. */
- SCTP_DEBUG_PRINTK_CONT(",%08x", tsn);
- dbg_ack_tsn = tsn;
- break;
-
- case 1: /* The last TSN was NOT ACKed. */
- if (dbg_last_kept_tsn != dbg_kept_tsn) {
- /* Display the end of current range. */
- SCTP_DEBUG_PRINTK_CONT("-%08x",
- dbg_last_kept_tsn);
- }
-
- SCTP_DEBUG_PRINTK_CONT("\n");
-
- /* FALL THROUGH... */
- default:
- /* This is the first-ever TSN we examined. */
- /* Start a new range of ACK-ed TSNs. */
- SCTP_DEBUG_PRINTK("ACKed: %08x", tsn);
- dbg_prt_state = 0;
- dbg_ack_tsn = tsn;
- }
-
- dbg_last_ack_tsn = tsn;
-#endif /* SCTP_DEBUG */
-
} else {
if (tchunk->tsn_gap_acked) {
- SCTP_DEBUG_PRINTK("%s: Receiver reneged on "
- "data TSN: 0x%x\n",
- __func__,
- tsn);
+ pr_debug("%s: receiver reneged on data TSN:0x%x\n",
+ __func__, tsn);
+
tchunk->tsn_gap_acked = 0;
if (tchunk->transport)
@@ -1551,59 +1480,9 @@ static void sctp_check_transmitted(struct sctp_outq *q,
}
list_add_tail(lchunk, &tlist);
-
-#if SCTP_DEBUG
- /* See the above comments on ACK-ed TSNs. */
- switch (dbg_prt_state) {
- case 1:
- if (dbg_last_kept_tsn + 1 == tsn)
- break;
-
- if (dbg_last_kept_tsn != dbg_kept_tsn)
- SCTP_DEBUG_PRINTK_CONT("-%08x",
- dbg_last_kept_tsn);
-
- SCTP_DEBUG_PRINTK_CONT(",%08x", tsn);
- dbg_kept_tsn = tsn;
- break;
-
- case 0:
- if (dbg_last_ack_tsn != dbg_ack_tsn)
- SCTP_DEBUG_PRINTK_CONT("-%08x",
- dbg_last_ack_tsn);
- SCTP_DEBUG_PRINTK_CONT("\n");
-
- /* FALL THROUGH... */
- default:
- SCTP_DEBUG_PRINTK("KEPT: %08x",tsn);
- dbg_prt_state = 1;
- dbg_kept_tsn = tsn;
- }
-
- dbg_last_kept_tsn = tsn;
-#endif /* SCTP_DEBUG */
}
}
-#if SCTP_DEBUG
- /* Finish off the last range, displaying its ending TSN. */
- switch (dbg_prt_state) {
- case 0:
- if (dbg_last_ack_tsn != dbg_ack_tsn) {
- SCTP_DEBUG_PRINTK_CONT("-%08x\n", dbg_last_ack_tsn);
- } else {
- SCTP_DEBUG_PRINTK_CONT("\n");
- }
- break;
-
- case 1:
- if (dbg_last_kept_tsn != dbg_kept_tsn) {
- SCTP_DEBUG_PRINTK_CONT("-%08x\n", dbg_last_kept_tsn);
- } else {
- SCTP_DEBUG_PRINTK_CONT("\n");
- }
- }
-#endif /* SCTP_DEBUG */
if (transport) {
if (bytes_acked) {
struct sctp_association *asoc = transport->asoc;
@@ -1625,6 +1504,7 @@ static void sctp_check_transmitted(struct sctp_outq *q,
*/
transport->error_count = 0;
transport->asoc->overall_error_count = 0;
+ forward_progress = true;
/*
* While in SHUTDOWN PENDING, we may have started
@@ -1676,9 +1556,9 @@ static void sctp_check_transmitted(struct sctp_outq *q,
!list_empty(&tlist) &&
(sack_ctsn+2 == q->asoc->next_tsn) &&
q->asoc->state < SCTP_STATE_SHUTDOWN_PENDING) {
- SCTP_DEBUG_PRINTK("%s: SACK received for zero "
- "window probe: %u\n",
- __func__, sack_ctsn);
+ pr_debug("%s: sack received for zero window "
+ "probe:%u\n", __func__, sack_ctsn);
+
q->asoc->overall_error_count = 0;
transport->error_count = 0;
}
@@ -1698,6 +1578,11 @@ static void sctp_check_transmitted(struct sctp_outq *q,
jiffies + transport->rto))
sctp_transport_hold(transport);
}
+
+ if (forward_progress) {
+ if (transport->dst)
+ dst_confirm(transport->dst);
+ }
}
list_splice(&tlist, transmitted_queue);
@@ -1739,10 +1624,8 @@ static void sctp_mark_missing(struct sctp_outq *q,
count_of_newacks, tsn)) {
chunk->tsn_missing_report++;
- SCTP_DEBUG_PRINTK(
- "%s: TSN 0x%x missing counter: %d\n",
- __func__, tsn,
- chunk->tsn_missing_report);
+ pr_debug("%s: tsn:0x%x missing counter:%d\n",
+ __func__, tsn, chunk->tsn_missing_report);
}
}
/*
@@ -1762,11 +1645,10 @@ static void sctp_mark_missing(struct sctp_outq *q,
if (do_fast_retransmit)
sctp_retransmit(q, transport, SCTP_RTXR_FAST_RTX);
- SCTP_DEBUG_PRINTK("%s: transport: %p, cwnd: %d, "
- "ssthresh: %d, flight_size: %d, pba: %d\n",
- __func__, transport, transport->cwnd,
- transport->ssthresh, transport->flight_size,
- transport->partial_bytes_acked);
+ pr_debug("%s: transport:%p, cwnd:%d, ssthresh:%d, "
+ "flight_size:%d, pba:%d\n", __func__, transport,
+ transport->cwnd, transport->ssthresh,
+ transport->flight_size, transport->partial_bytes_acked);
}
}
diff --git a/net/sctp/primitive.c b/net/sctp/primitive.c
index 794bb14..ce1ffd8 100644
--- a/net/sctp/primitive.c
+++ b/net/sctp/primitive.c
@@ -29,10 +29,7 @@
*
* Please send any bug reports or fixes you make to the
* email address(es):
- * lksctp developers <lksctp-developers@lists.sourceforge.net>
- *
- * Or submit a bug report through the following website:
- * http://www.sf.net/projects/lksctp
+ * lksctp developers <linux-sctp@vger.kernel.org>
*
* Written or modified by:
* La Monte H.P. Yarroll <piggy@acm.org>
@@ -40,9 +37,6 @@
* Karl Knutson <karl@athena.chicago.il.us>
* Ardelle Fan <ardelle.fan@intel.com>
* Kevin Gao <kevin.gao@intel.com>
- *
- * Any bugs reported given to us we will try to fix... any fixes shared will
- * be incorporated into the next SCTP release.
*/
#include <linux/types.h>
diff --git a/net/sctp/probe.c b/net/sctp/probe.c
index e62c225..53c452e 100644
--- a/net/sctp/probe.c
+++ b/net/sctp/probe.c
@@ -46,6 +46,10 @@ static int port __read_mostly = 0;
MODULE_PARM_DESC(port, "Port to match (0=all)");
module_param(port, int, 0);
+static unsigned int fwmark __read_mostly = 0;
+MODULE_PARM_DESC(fwmark, "skb mark to match (0=no mark)");
+module_param(fwmark, uint, 0);
+
static int bufsize __read_mostly = 64 * 1024;
MODULE_PARM_DESC(bufsize, "Log buffer size (default 64k)");
module_param(bufsize, int, 0);
@@ -129,15 +133,19 @@ static sctp_disposition_t jsctp_sf_eat_sack(struct net *net,
void *arg,
sctp_cmd_seq_t *commands)
{
+ struct sctp_chunk *chunk = arg;
+ struct sk_buff *skb = chunk->skb;
struct sctp_transport *sp;
static __u32 lcwnd = 0;
struct timespec now;
sp = asoc->peer.primary_path;
- if ((full || sp->cwnd != lcwnd) &&
- (!port || asoc->peer.port == port ||
- ep->base.bind_addr.port == port)) {
+ if (((port == 0 && fwmark == 0) ||
+ asoc->peer.port == port ||
+ ep->base.bind_addr.port == port ||
+ (fwmark > 0 && skb->mark == fwmark)) &&
+ (full || sp->cwnd != lcwnd)) {
lcwnd = sp->cwnd;
getnstimeofday(&now);
@@ -155,13 +163,8 @@ static sctp_disposition_t jsctp_sf_eat_sack(struct net *net,
if (sp == asoc->peer.primary_path)
printl("*");
- if (sp->ipaddr.sa.sa_family == AF_INET)
- printl("%pI4 ", &sp->ipaddr.v4.sin_addr);
- else
- printl("%pI6 ", &sp->ipaddr.v6.sin6_addr);
-
- printl("%2u %8u %8u %8u %8u %8u ",
- sp->state, sp->cwnd, sp->ssthresh,
+ printl("%pISc %2u %8u %8u %8u %8u %8u ",
+ &sp->ipaddr, sp->state, sp->cwnd, sp->ssthresh,
sp->flight_size, sp->partial_bytes_acked,
sp->pathmtu);
}
@@ -203,8 +206,8 @@ static __init int sctpprobe_init(void)
if (ret)
goto remove_proc;
- pr_info("probe registered (port=%d)\n", port);
-
+ pr_info("probe registered (port=%d/fwmark=%u) bufsize=%u\n",
+ port, fwmark, bufsize);
return 0;
remove_proc:
diff --git a/net/sctp/proc.c b/net/sctp/proc.c
index 4e45ee3..0c06421 100644
--- a/net/sctp/proc.c
+++ b/net/sctp/proc.c
@@ -22,16 +22,10 @@
*
* Please send any bug reports or fixes you make to the
* email address(es):
- * lksctp developers <lksctp-developers@lists.sourceforge.net>
- *
- * Or submit a bug report through the following website:
- * http://www.sf.net/projects/lksctp
+ * lksctp developers <linux-sctp@vger.kernel.org>
*
* Written or modified by:
* Sridhar Samudrala <sri@us.ibm.com>
- *
- * Any bugs reported given to us we will try to fix... any fixes shared will
- * be incorporated into the next SCTP release.
*/
#include <linux/types.h>
@@ -134,9 +128,15 @@ static void sctp_seq_dump_local_addrs(struct seq_file *seq, struct sctp_ep_commo
struct sctp_af *af;
if (epb->type == SCTP_EP_TYPE_ASSOCIATION) {
- asoc = sctp_assoc(epb);
- peer = asoc->peer.primary_path;
- primary = &peer->saddr;
+ asoc = sctp_assoc(epb);
+
+ peer = asoc->peer.primary_path;
+ if (unlikely(peer == NULL)) {
+ WARN(1, "Association %p with NULL primary path!\n", asoc);
+ return;
+ }
+
+ primary = &peer->saddr;
}
rcu_read_lock();
@@ -226,7 +226,7 @@ static int sctp_eps_seq_show(struct seq_file *seq, void *v)
sk = epb->sk;
if (!net_eq(sock_net(sk), seq_file_net(seq)))
continue;
- seq_printf(seq, "%8pK %8pK %-3d %-3d %-4d %-5d %5d %5lu ", ep, sk,
+ seq_printf(seq, "%8pK %8pK %-3d %-3d %-4d %-5d %5u %5lu ", ep, sk,
sctp_sk(sk)->type, sk->sk_state, hash,
epb->bind_addr.port,
from_kuid_munged(seq_user_ns(seq), sock_i_uid(sk)),
@@ -336,7 +336,7 @@ static int sctp_assocs_seq_show(struct seq_file *seq, void *v)
continue;
seq_printf(seq,
"%8pK %8pK %-3d %-3d %-2d %-4d "
- "%4d %8d %8d %7d %5lu %-5d %5d ",
+ "%4d %8d %8d %7u %5lu %-5d %5d ",
assoc, sk, sctp_sk(sk)->type, sk->sk_state,
assoc->state, hash,
assoc->assoc_id,
diff --git a/net/sctp/protocol.c b/net/sctp/protocol.c
index eaee00c..5e17092 100644
--- a/net/sctp/protocol.c
+++ b/net/sctp/protocol.c
@@ -29,10 +29,7 @@
*
* Please send any bug reports or fixes you make to the
* email address(es):
- * lksctp developers <lksctp-developers@lists.sourceforge.net>
- *
- * Or submit a bug report through the following website:
- * http://www.sf.net/projects/lksctp
+ * lksctp developers <linux-sctp@vger.kernel.org>
*
* Written or modified by:
* La Monte H.P. Yarroll <piggy@acm.org>
@@ -41,9 +38,6 @@
* Sridhar Samudrala <sri@us.ibm.com>
* Daisy Chang <daisyc@us.ibm.com>
* Ardelle Fan <ardelle.fan@intel.com>
- *
- * Any bugs reported given to us we will try to fix... any fixes shared will
- * be incorporated into the next SCTP release.
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
@@ -153,7 +147,7 @@ static void sctp_v4_copy_addrlist(struct list_head *addrlist,
for (ifa = in_dev->ifa_list; ifa; ifa = ifa->ifa_next) {
/* Add the address to the local list. */
- addr = t_new(struct sctp_sockaddr_entry, GFP_ATOMIC);
+ addr = kzalloc(sizeof(*addr), GFP_ATOMIC);
if (addr) {
addr->a.v4.sin_family = AF_INET;
addr->a.v4.sin_port = 0;
@@ -178,7 +172,7 @@ static void sctp_get_local_addr_list(struct net *net)
rcu_read_lock();
for_each_netdev_rcu(net, dev) {
- __list_for_each(pos, &sctp_address_families) {
+ list_for_each(pos, &sctp_address_families) {
af = list_entry(pos, struct sctp_af, list);
af->copy_addrlist(&net->sctp.local_addr_list, dev);
}
@@ -451,8 +445,8 @@ static void sctp_v4_get_dst(struct sctp_transport *t, union sctp_addr *saddr,
fl4->fl4_sport = saddr->v4.sin_port;
}
- SCTP_DEBUG_PRINTK("%s: DST:%pI4, SRC:%pI4 - ",
- __func__, &fl4->daddr, &fl4->saddr);
+ pr_debug("%s: dst:%pI4, src:%pI4 - ", __func__, &fl4->daddr,
+ &fl4->saddr);
rt = ip_route_output_key(sock_net(sk), fl4);
if (!IS_ERR(rt))
@@ -513,10 +507,10 @@ out_unlock:
out:
t->dst = dst;
if (dst)
- SCTP_DEBUG_PRINTK("rt_dst:%pI4, rt_src:%pI4\n",
- &fl4->daddr, &fl4->saddr);
+ pr_debug("rt_dst:%pI4, rt_src:%pI4\n",
+ &fl4->daddr, &fl4->saddr);
else
- SCTP_DEBUG_PRINTK("NO ROUTE\n");
+ pr_debug("no route\n");
}
/* For v4, the source address is cached in the route entry(dst). So no need
@@ -604,9 +598,9 @@ static void sctp_addr_wq_timeout_handler(unsigned long arg)
spin_lock_bh(&net->sctp.addr_wq_lock);
list_for_each_entry_safe(addrw, temp, &net->sctp.addr_waitq, list) {
- SCTP_DEBUG_PRINTK_IPADDR("sctp_addrwq_timo_handler: the first ent in wq %p is ",
- " for cmd %d at entry %p\n", &net->sctp.addr_waitq, &addrw->a, addrw->state,
- addrw);
+ pr_debug("%s: the first ent in wq:%p is addr:%pISc for cmd:%d at "
+ "entry:%p\n", __func__, &net->sctp.addr_waitq, &addrw->a.sa,
+ addrw->state, addrw);
#if IS_ENABLED(CONFIG_IPV6)
/* Now we send an ASCONF for each association */
@@ -623,8 +617,10 @@ static void sctp_addr_wq_timeout_handler(unsigned long arg)
addrw->state == SCTP_ADDR_NEW) {
unsigned long timeo_val;
- SCTP_DEBUG_PRINTK("sctp_timo_handler: this is on DAD, trying %d sec later\n",
- SCTP_ADDRESS_TICK_DELAY);
+ pr_debug("%s: this is on DAD, trying %d sec "
+ "later\n", __func__,
+ SCTP_ADDRESS_TICK_DELAY);
+
timeo_val = jiffies;
timeo_val += msecs_to_jiffies(SCTP_ADDRESS_TICK_DELAY);
mod_timer(&net->sctp.addr_wq_timer, timeo_val);
@@ -641,7 +637,7 @@ static void sctp_addr_wq_timeout_handler(unsigned long arg)
continue;
sctp_bh_lock_sock(sk);
if (sctp_asconf_mgmt(sp, addrw) < 0)
- SCTP_DEBUG_PRINTK("sctp_addrwq_timo_handler: sctp_asconf_mgmt failed\n");
+ pr_debug("%s: sctp_asconf_mgmt failed\n", __func__);
sctp_bh_unlock_sock(sk);
}
#if IS_ENABLED(CONFIG_IPV6)
@@ -707,9 +703,10 @@ void sctp_addr_wq_mgmt(struct net *net, struct sctp_sockaddr_entry *addr, int cm
addrw = sctp_addr_wq_lookup(net, addr);
if (addrw) {
if (addrw->state != cmd) {
- SCTP_DEBUG_PRINTK_IPADDR("sctp_addr_wq_mgmt offsets existing entry for %d ",
- " in wq %p\n", addrw->state, &addrw->a,
- &net->sctp.addr_waitq);
+ pr_debug("%s: offsets existing entry for %d, addr:%pISc "
+ "in wq:%p\n", __func__, addrw->state, &addrw->a.sa,
+ &net->sctp.addr_waitq);
+
list_del(&addrw->list);
kfree(addrw);
}
@@ -725,8 +722,9 @@ void sctp_addr_wq_mgmt(struct net *net, struct sctp_sockaddr_entry *addr, int cm
}
addrw->state = cmd;
list_add_tail(&addrw->list, &net->sctp.addr_waitq);
- SCTP_DEBUG_PRINTK_IPADDR("sctp_addr_wq_mgmt add new entry for cmd:%d ",
- " in wq %p\n", addrw->state, &addrw->a, &net->sctp.addr_waitq);
+
+ pr_debug("%s: add new entry for cmd:%d, addr:%pISc in wq:%p\n",
+ __func__, addrw->state, &addrw->a.sa, &net->sctp.addr_waitq);
if (!timer_pending(&net->sctp.addr_wq_timer)) {
timeo_val = jiffies;
@@ -952,15 +950,14 @@ static inline int sctp_v4_xmit(struct sk_buff *skb,
{
struct inet_sock *inet = inet_sk(skb->sk);
- SCTP_DEBUG_PRINTK("%s: skb:%p, len:%d, src:%pI4, dst:%pI4\n",
- __func__, skb, skb->len,
- &transport->fl.u.ip4.saddr,
- &transport->fl.u.ip4.daddr);
+ pr_debug("%s: skb:%p, len:%d, src:%pI4, dst:%pI4\n", __func__, skb,
+ skb->len, &transport->fl.u.ip4.saddr, &transport->fl.u.ip4.daddr);
inet->pmtudisc = transport->param_flags & SPP_PMTUD_ENABLE ?
IP_PMTUDISC_DO : IP_PMTUDISC_DONT;
SCTP_INC_STATS(sock_net(&inet->sk), SCTP_MIB_OUTSCTPPACKS);
+
return ip_queue_xmit(skb, &transport->fl);
}
@@ -1312,7 +1309,7 @@ static struct pernet_operations sctp_net_ops = {
};
/* Initialize the universe into something sensible. */
-SCTP_STATIC __init int sctp_init(void)
+static __init int sctp_init(void)
{
int i;
int status = -EINVAL;
@@ -1321,9 +1318,8 @@ SCTP_STATIC __init int sctp_init(void)
int max_share;
int order;
- /* SCTP_DEBUG sanity check. */
- if (!sctp_sanity_check())
- goto out;
+ BUILD_BUG_ON(sizeof(struct sctp_ulpevent) >
+ sizeof(((struct sk_buff *) 0)->cb));
/* Allocate bind_bucket and chunk caches. */
status = -ENOBUFS;
@@ -1499,7 +1495,7 @@ err_chunk_cachep:
}
/* Exit handler for the SCTP protocol. */
-SCTP_STATIC __exit void sctp_exit(void)
+static __exit void sctp_exit(void)
{
/* BUG. This should probably do something useful like clean
* up all the remaining associations and all that memory.
@@ -1545,7 +1541,7 @@ module_exit(sctp_exit);
*/
MODULE_ALIAS("net-pf-" __stringify(PF_INET) "-proto-132");
MODULE_ALIAS("net-pf-" __stringify(PF_INET6) "-proto-132");
-MODULE_AUTHOR("Linux Kernel SCTP developers <lksctp-developers@lists.sourceforge.net>");
+MODULE_AUTHOR("Linux Kernel SCTP developers <linux-sctp@vger.kernel.org>");
MODULE_DESCRIPTION("Support for the SCTP protocol (RFC2960)");
module_param_named(no_checksums, sctp_checksum_disable, bool, 0644);
MODULE_PARM_DESC(no_checksums, "Disable checksums computing and verification");
diff --git a/net/sctp/sm_make_chunk.c b/net/sctp/sm_make_chunk.c
index cf579e7..fe69032 100644
--- a/net/sctp/sm_make_chunk.c
+++ b/net/sctp/sm_make_chunk.c
@@ -29,10 +29,7 @@
*
* Please send any bug reports or fixes you make to the
* email address(es):
- * lksctp developers <lksctp-developers@lists.sourceforge.net>
- *
- * Or submit a bug report through the following website:
- * http://www.sf.net/projects/lksctp
+ * lksctp developers <linux-sctp@vger.kernel.org>
*
* Written or modified by:
* La Monte H.P. Yarroll <piggy@acm.org>
@@ -45,9 +42,6 @@
* Daisy Chang <daisyc@us.ibm.com>
* Ardelle Fan <ardelle.fan@intel.com>
* Kevin Gao <kevin.gao@intel.com>
- *
- * Any bugs reported given to us we will try to fix... any fixes shared will
- * be incorporated into the next SCTP release.
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
@@ -68,9 +62,12 @@
#include <net/sctp/sctp.h>
#include <net/sctp/sm.h>
-SCTP_STATIC
-struct sctp_chunk *sctp_make_chunk(const struct sctp_association *asoc,
- __u8 type, __u8 flags, int paylen);
+static struct sctp_chunk *sctp_make_control(const struct sctp_association *asoc,
+ __u8 type, __u8 flags, int paylen);
+static struct sctp_chunk *sctp_make_data(const struct sctp_association *asoc,
+ __u8 flags, int paylen);
+static struct sctp_chunk *_sctp_make_chunk(const struct sctp_association *asoc,
+ __u8 type, __u8 flags, int paylen);
static sctp_cookie_param_t *sctp_pack_cookie(const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const struct sctp_chunk *init_chunk,
@@ -83,6 +80,28 @@ static int sctp_process_param(struct sctp_association *asoc,
static void *sctp_addto_param(struct sctp_chunk *chunk, int len,
const void *data);
+/* Control chunk destructor */
+static void sctp_control_release_owner(struct sk_buff *skb)
+{
+ /*TODO: do memory release */
+}
+
+static void sctp_control_set_owner_w(struct sctp_chunk *chunk)
+{
+ struct sctp_association *asoc = chunk->asoc;
+ struct sk_buff *skb = chunk->skb;
+
+ /* TODO: properly account for control chunks.
+ * To do it right we'll need:
+ * 1) endpoint if association isn't known.
+ * 2) proper memory accounting.
+ *
+ * For now don't do anything for now.
+ */
+ skb->sk = asoc ? asoc->base.sk : NULL;
+ skb->destructor = sctp_control_release_owner;
+}
+
/* What was the inbound interface for this chunk? */
int sctp_chunk_iif(const struct sctp_chunk *chunk)
{
@@ -297,7 +316,7 @@ struct sctp_chunk *sctp_make_init(const struct sctp_association *asoc,
* PLEASE DO NOT FIXME [This version does not support Host Name.]
*/
- retval = sctp_make_chunk(asoc, SCTP_CID_INIT, 0, chunksize);
+ retval = sctp_make_control(asoc, SCTP_CID_INIT, 0, chunksize);
if (!retval)
goto nodata;
@@ -444,7 +463,7 @@ struct sctp_chunk *sctp_make_init_ack(const struct sctp_association *asoc,
num_ext);
/* Now allocate and fill out the chunk. */
- retval = sctp_make_chunk(asoc, SCTP_CID_INIT_ACK, 0, chunksize);
+ retval = sctp_make_control(asoc, SCTP_CID_INIT_ACK, 0, chunksize);
if (!retval)
goto nomem_chunk;
@@ -549,7 +568,7 @@ struct sctp_chunk *sctp_make_cookie_echo(const struct sctp_association *asoc,
cookie_len = asoc->peer.cookie_len;
/* Build a cookie echo chunk. */
- retval = sctp_make_chunk(asoc, SCTP_CID_COOKIE_ECHO, 0, cookie_len);
+ retval = sctp_make_control(asoc, SCTP_CID_COOKIE_ECHO, 0, cookie_len);
if (!retval)
goto nodata;
retval->subh.cookie_hdr =
@@ -594,7 +613,7 @@ struct sctp_chunk *sctp_make_cookie_ack(const struct sctp_association *asoc,
{
struct sctp_chunk *retval;
- retval = sctp_make_chunk(asoc, SCTP_CID_COOKIE_ACK, 0, 0);
+ retval = sctp_make_control(asoc, SCTP_CID_COOKIE_ACK, 0, 0);
/* RFC 2960 6.4 Multi-homed SCTP Endpoints
*
@@ -642,8 +661,8 @@ struct sctp_chunk *sctp_make_cwr(const struct sctp_association *asoc,
sctp_cwrhdr_t cwr;
cwr.lowest_tsn = htonl(lowest_tsn);
- retval = sctp_make_chunk(asoc, SCTP_CID_ECN_CWR, 0,
- sizeof(sctp_cwrhdr_t));
+ retval = sctp_make_control(asoc, SCTP_CID_ECN_CWR, 0,
+ sizeof(sctp_cwrhdr_t));
if (!retval)
goto nodata;
@@ -676,8 +695,8 @@ struct sctp_chunk *sctp_make_ecne(const struct sctp_association *asoc,
sctp_ecnehdr_t ecne;
ecne.lowest_tsn = htonl(lowest_tsn);
- retval = sctp_make_chunk(asoc, SCTP_CID_ECN_ECNE, 0,
- sizeof(sctp_ecnehdr_t));
+ retval = sctp_make_control(asoc, SCTP_CID_ECN_ECNE, 0,
+ sizeof(sctp_ecnehdr_t));
if (!retval)
goto nodata;
retval->subh.ecne_hdr =
@@ -713,7 +732,7 @@ struct sctp_chunk *sctp_make_datafrag_empty(struct sctp_association *asoc,
dp.ssn = htons(ssn);
chunk_len = sizeof(dp) + data_len;
- retval = sctp_make_chunk(asoc, SCTP_CID_DATA, flags, chunk_len);
+ retval = sctp_make_data(asoc, flags, chunk_len);
if (!retval)
goto nodata;
@@ -742,7 +761,8 @@ struct sctp_chunk *sctp_make_sack(const struct sctp_association *asoc)
memset(gabs, 0, sizeof(gabs));
ctsn = sctp_tsnmap_get_ctsn(map);
- SCTP_DEBUG_PRINTK("sackCTSNAck sent: 0x%x.\n", ctsn);
+
+ pr_debug("%s: sackCTSNAck sent:0x%x\n", __func__, ctsn);
/* How much room is needed in the chunk? */
num_gabs = sctp_tsnmap_num_gabs(map, gabs);
@@ -759,7 +779,7 @@ struct sctp_chunk *sctp_make_sack(const struct sctp_association *asoc)
+ sizeof(__u32) * num_dup_tsns;
/* Create the chunk. */
- retval = sctp_make_chunk(asoc, SCTP_CID_SACK, 0, len);
+ retval = sctp_make_control(asoc, SCTP_CID_SACK, 0, len);
if (!retval)
goto nodata;
@@ -838,8 +858,8 @@ struct sctp_chunk *sctp_make_shutdown(const struct sctp_association *asoc,
ctsn = sctp_tsnmap_get_ctsn(&asoc->peer.tsn_map);
shut.cum_tsn_ack = htonl(ctsn);
- retval = sctp_make_chunk(asoc, SCTP_CID_SHUTDOWN, 0,
- sizeof(sctp_shutdownhdr_t));
+ retval = sctp_make_control(asoc, SCTP_CID_SHUTDOWN, 0,
+ sizeof(sctp_shutdownhdr_t));
if (!retval)
goto nodata;
@@ -857,7 +877,7 @@ struct sctp_chunk *sctp_make_shutdown_ack(const struct sctp_association *asoc,
{
struct sctp_chunk *retval;
- retval = sctp_make_chunk(asoc, SCTP_CID_SHUTDOWN_ACK, 0, 0);
+ retval = sctp_make_control(asoc, SCTP_CID_SHUTDOWN_ACK, 0, 0);
/* RFC 2960 6.4 Multi-homed SCTP Endpoints
*
@@ -886,7 +906,7 @@ struct sctp_chunk *sctp_make_shutdown_complete(
*/
flags |= asoc ? 0 : SCTP_CHUNK_FLAG_T;
- retval = sctp_make_chunk(asoc, SCTP_CID_SHUTDOWN_COMPLETE, flags, 0);
+ retval = sctp_make_control(asoc, SCTP_CID_SHUTDOWN_COMPLETE, flags, 0);
/* RFC 2960 6.4 Multi-homed SCTP Endpoints
*
@@ -925,7 +945,7 @@ struct sctp_chunk *sctp_make_abort(const struct sctp_association *asoc,
flags = SCTP_CHUNK_FLAG_T;
}
- retval = sctp_make_chunk(asoc, SCTP_CID_ABORT, flags, hint);
+ retval = sctp_make_control(asoc, SCTP_CID_ABORT, flags, hint);
/* RFC 2960 6.4 Multi-homed SCTP Endpoints
*
@@ -1117,7 +1137,7 @@ struct sctp_chunk *sctp_make_heartbeat(const struct sctp_association *asoc,
struct sctp_chunk *retval;
sctp_sender_hb_info_t hbinfo;
- retval = sctp_make_chunk(asoc, SCTP_CID_HEARTBEAT, 0, sizeof(hbinfo));
+ retval = sctp_make_control(asoc, SCTP_CID_HEARTBEAT, 0, sizeof(hbinfo));
if (!retval)
goto nodata;
@@ -1145,7 +1165,7 @@ struct sctp_chunk *sctp_make_heartbeat_ack(const struct sctp_association *asoc,
{
struct sctp_chunk *retval;
- retval = sctp_make_chunk(asoc, SCTP_CID_HEARTBEAT_ACK, 0, paylen);
+ retval = sctp_make_control(asoc, SCTP_CID_HEARTBEAT_ACK, 0, paylen);
if (!retval)
goto nodata;
@@ -1177,8 +1197,8 @@ static struct sctp_chunk *sctp_make_op_error_space(
{
struct sctp_chunk *retval;
- retval = sctp_make_chunk(asoc, SCTP_CID_ERROR, 0,
- sizeof(sctp_errhdr_t) + size);
+ retval = sctp_make_control(asoc, SCTP_CID_ERROR, 0,
+ sizeof(sctp_errhdr_t) + size);
if (!retval)
goto nodata;
@@ -1248,7 +1268,7 @@ struct sctp_chunk *sctp_make_auth(const struct sctp_association *asoc)
if (unlikely(!hmac_desc))
return NULL;
- retval = sctp_make_chunk(asoc, SCTP_CID_AUTH, 0,
+ retval = sctp_make_control(asoc, SCTP_CID_AUTH, 0,
hmac_desc->hmac_len + sizeof(sctp_authhdr_t));
if (!retval)
return NULL;
@@ -1277,6 +1297,13 @@ struct sctp_chunk *sctp_make_auth(const struct sctp_association *asoc)
/* Turn an skb into a chunk.
* FIXME: Eventually move the structure directly inside the skb->cb[].
+ *
+ * sctpimpguide-05.txt Section 2.8.2
+ * M1) Each time a new DATA chunk is transmitted
+ * set the 'TSN.Missing.Report' count for that TSN to 0. The
+ * 'TSN.Missing.Report' count will be used to determine missing chunks
+ * and when to fast retransmit.
+ *
*/
struct sctp_chunk *sctp_chunkify(struct sk_buff *skb,
const struct sctp_association *asoc,
@@ -1288,37 +1315,15 @@ struct sctp_chunk *sctp_chunkify(struct sk_buff *skb,
if (!retval)
goto nodata;
-
- if (!sk) {
- SCTP_DEBUG_PRINTK("chunkifying skb %p w/o an sk\n", skb);
- }
+ if (!sk)
+ pr_debug("%s: chunkifying skb:%p w/o an sk\n", __func__, skb);
INIT_LIST_HEAD(&retval->list);
retval->skb = skb;
retval->asoc = (struct sctp_association *)asoc;
- retval->has_tsn = 0;
- retval->has_ssn = 0;
- retval->rtt_in_progress = 0;
- retval->sent_at = 0;
retval->singleton = 1;
- retval->end_of_packet = 0;
- retval->ecn_ce_done = 0;
- retval->pdiscard = 0;
-
- /* sctpimpguide-05.txt Section 2.8.2
- * M1) Each time a new DATA chunk is transmitted
- * set the 'TSN.Missing.Report' count for that TSN to 0. The
- * 'TSN.Missing.Report' count will be used to determine missing chunks
- * and when to fast retransmit.
- */
- retval->tsn_missing_report = 0;
- retval->tsn_gap_acked = 0;
- retval->fast_retransmit = SCTP_CAN_FRTX;
- /* If this is a fragmented message, track all fragments
- * of the message (for SEND_FAILED).
- */
- retval->msg = NULL;
+ retval->fast_retransmit = SCTP_CAN_FRTX;
/* Polish the bead hole. */
INIT_LIST_HEAD(&retval->transmitted_list);
@@ -1353,9 +1358,8 @@ const union sctp_addr *sctp_source(const struct sctp_chunk *chunk)
/* Create a new chunk, setting the type and flags headers from the
* arguments, reserving enough space for a 'paylen' byte payload.
*/
-SCTP_STATIC
-struct sctp_chunk *sctp_make_chunk(const struct sctp_association *asoc,
- __u8 type, __u8 flags, int paylen)
+static struct sctp_chunk *_sctp_make_chunk(const struct sctp_association *asoc,
+ __u8 type, __u8 flags, int paylen)
{
struct sctp_chunk *retval;
sctp_chunkhdr_t *chunk_hdr;
@@ -1388,14 +1392,27 @@ struct sctp_chunk *sctp_make_chunk(const struct sctp_association *asoc,
if (sctp_auth_send_cid(type, asoc))
retval->auth = 1;
- /* Set the skb to the belonging sock for accounting. */
- skb->sk = sk;
-
return retval;
nodata:
return NULL;
}
+static struct sctp_chunk *sctp_make_data(const struct sctp_association *asoc,
+ __u8 flags, int paylen)
+{
+ return _sctp_make_chunk(asoc, SCTP_CID_DATA, flags, paylen);
+}
+
+static struct sctp_chunk *sctp_make_control(const struct sctp_association *asoc,
+ __u8 type, __u8 flags, int paylen)
+{
+ struct sctp_chunk *chunk = _sctp_make_chunk(asoc, type, flags, paylen);
+
+ if (chunk)
+ sctp_control_set_owner_w(chunk);
+
+ return chunk;
+}
/* Release the memory occupied by a chunk. */
static void sctp_chunk_destroy(struct sctp_chunk *chunk)
@@ -1632,8 +1649,8 @@ static sctp_cookie_param_t *sctp_pack_cookie(const struct sctp_endpoint *ep,
cookie->c.adaptation_ind = asoc->peer.adaptation_ind;
/* Set an expiration time for the cookie. */
- do_gettimeofday(&cookie->c.expiration);
- TIMEVAL_ADD(asoc->cookie_life, cookie->c.expiration);
+ cookie->c.expiration = ktime_add(asoc->cookie_life,
+ ktime_get());
/* Copy the peer's init packet. */
memcpy(&cookie->c.peer_init[0], init_chunk->chunk_hdr,
@@ -1682,7 +1699,7 @@ struct sctp_association *sctp_unpack_cookie(
unsigned int len;
sctp_scope_t scope;
struct sk_buff *skb = chunk->skb;
- struct timeval tv;
+ ktime_t kt;
struct hash_desc desc;
/* Header size is static data prior to the actual cookie, including
@@ -1759,11 +1776,11 @@ no_hmac:
* down the new association establishment instead of every packet.
*/
if (sock_flag(ep->base.sk, SOCK_TIMESTAMP))
- skb_get_timestamp(skb, &tv);
+ kt = skb_get_ktime(skb);
else
- do_gettimeofday(&tv);
+ kt = ktime_get();
- if (!asoc && tv_lt(bear_cookie->expiration, tv)) {
+ if (!asoc && ktime_compare(bear_cookie->expiration, kt) < 0) {
/*
* Section 3.3.10.3 Stale Cookie Error (3)
*
@@ -1775,9 +1792,7 @@ no_hmac:
len = ntohs(chunk->chunk_hdr->length);
*errp = sctp_make_op_error_space(asoc, chunk, len);
if (*errp) {
- suseconds_t usecs = (tv.tv_sec -
- bear_cookie->expiration.tv_sec) * 1000000L +
- tv.tv_usec - bear_cookie->expiration.tv_usec;
+ suseconds_t usecs = ktime_to_us(ktime_sub(kt, bear_cookie->expiration));
__be32 n = htonl(usecs);
sctp_init_cause(*errp, SCTP_ERROR_STALE_COOKIE,
@@ -2195,8 +2210,9 @@ static sctp_ierror_t sctp_verify_param(struct net *net,
break;
fallthrough:
default:
- SCTP_DEBUG_PRINTK("Unrecognized param: %d for chunk %d.\n",
- ntohs(param.p->type), cid);
+ pr_debug("%s: unrecognized param:%d for chunk:%d\n",
+ __func__, ntohs(param.p->type), cid);
+
retval = sctp_process_unk_param(asoc, param, chunk, err_chunk);
break;
}
@@ -2211,25 +2227,23 @@ int sctp_verify_init(struct net *net, const struct sctp_association *asoc,
struct sctp_chunk **errp)
{
union sctp_params param;
- int has_cookie = 0;
+ bool has_cookie = false;
int result;
- /* Verify stream values are non-zero. */
- if ((0 == peer_init->init_hdr.num_outbound_streams) ||
- (0 == peer_init->init_hdr.num_inbound_streams) ||
- (0 == peer_init->init_hdr.init_tag) ||
- (SCTP_DEFAULT_MINWINDOW > ntohl(peer_init->init_hdr.a_rwnd))) {
-
+ /* Check for missing mandatory parameters. Note: Initial TSN is
+ * also mandatory, but is not checked here since the valid range
+ * is 0..2**32-1. RFC4960, section 3.3.3.
+ */
+ if (peer_init->init_hdr.num_outbound_streams == 0 ||
+ peer_init->init_hdr.num_inbound_streams == 0 ||
+ peer_init->init_hdr.init_tag == 0 ||
+ ntohl(peer_init->init_hdr.a_rwnd) < SCTP_DEFAULT_MINWINDOW)
return sctp_process_inv_mandatory(asoc, chunk, errp);
- }
- /* Check for missing mandatory parameters. */
sctp_walk_params(param, peer_init, init_hdr.params) {
-
- if (SCTP_PARAM_STATE_COOKIE == param.p->type)
- has_cookie = 1;
-
- } /* for (loop through all parameters) */
+ if (param.p->type == SCTP_PARAM_STATE_COOKIE)
+ has_cookie = true;
+ }
/* There is a possibility that a parameter length was bad and
* in that case we would have stoped walking the parameters.
@@ -2516,12 +2530,11 @@ do_addr_param:
/* Suggested Cookie Life span increment's unit is msec,
* (1/1000sec).
*/
- asoc->cookie_life.tv_sec += stale / 1000;
- asoc->cookie_life.tv_usec += (stale % 1000) * 1000;
+ asoc->cookie_life = ktime_add_ms(asoc->cookie_life, stale);
break;
case SCTP_PARAM_HOST_NAME_ADDRESS:
- SCTP_DEBUG_PRINTK("unimplemented SCTP_HOST_NAME_ADDRESS\n");
+ pr_debug("%s: unimplemented SCTP_HOST_NAME_ADDRESS\n", __func__);
break;
case SCTP_PARAM_SUPPORTED_ADDRESS_TYPES:
@@ -2667,8 +2680,8 @@ fall_through:
* called prior to this routine. Simply log the error
* here.
*/
- SCTP_DEBUG_PRINTK("Ignoring param: %d for association %p.\n",
- ntohs(param.p->type), asoc);
+ pr_debug("%s: ignoring param:%d for association:%p.\n",
+ __func__, ntohs(param.p->type), asoc);
break;
}
@@ -2738,7 +2751,7 @@ static struct sctp_chunk *sctp_make_asconf(struct sctp_association *asoc,
length += addrlen;
/* Create the chunk. */
- retval = sctp_make_chunk(asoc, SCTP_CID_ASCONF, 0, length);
+ retval = sctp_make_control(asoc, SCTP_CID_ASCONF, 0, length);
if (!retval)
return NULL;
@@ -2810,7 +2823,10 @@ struct sctp_chunk *sctp_make_asconf_update_ip(struct sctp_association *asoc,
totallen += paramlen;
totallen += addr_param_len;
del_pickup = 1;
- SCTP_DEBUG_PRINTK("mkasconf_update_ip: picked same-scope del_pending addr, totallen for all addresses is %d\n", totallen);
+
+ pr_debug("%s: picked same-scope del_pending addr, "
+ "totallen for all addresses is %d\n",
+ __func__, totallen);
}
}
@@ -2919,7 +2935,7 @@ static struct sctp_chunk *sctp_make_asconf_ack(const struct sctp_association *as
int length = sizeof(asconf) + vparam_len;
/* Create the chunk. */
- retval = sctp_make_chunk(asoc, SCTP_CID_ASCONF_ACK, 0, length);
+ retval = sctp_make_control(asoc, SCTP_CID_ASCONF_ACK, 0, length);
if (!retval)
return NULL;
@@ -3450,7 +3466,7 @@ struct sctp_chunk *sctp_make_fwdtsn(const struct sctp_association *asoc,
hint = (nstreams + 1) * sizeof(__u32);
- retval = sctp_make_chunk(asoc, SCTP_CID_FWD_TSN, 0, hint);
+ retval = sctp_make_control(asoc, SCTP_CID_FWD_TSN, 0, hint);
if (!retval)
return NULL;
diff --git a/net/sctp/sm_sideeffect.c b/net/sctp/sm_sideeffect.c
index 8aab894..1a6eef3 100644
--- a/net/sctp/sm_sideeffect.c
+++ b/net/sctp/sm_sideeffect.c
@@ -28,10 +28,7 @@
*
* Please send any bug reports or fixes you make to the
* email address(es):
- * lksctp developers <lksctp-developers@lists.sourceforge.net>
- *
- * Or submit a bug report through the following website:
- * http://www.sf.net/projects/lksctp
+ * lksctp developers <linux-sctp@vger.kernel.org>
*
* Written or modified by:
* La Monte H.P. Yarroll <piggy@acm.org>
@@ -42,9 +39,6 @@
* Daisy Chang <daisyc@us.ibm.com>
* Sridhar Samudrala <sri@us.ibm.com>
* Ardelle Fan <ardelle.fan@intel.com>
- *
- * Any bugs reported given to us we will try to fix... any fixes shared will
- * be incorporated into the next SCTP release.
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
@@ -257,7 +251,7 @@ void sctp_generate_t3_rtx_event(unsigned long peer)
sctp_bh_lock_sock(asoc->base.sk);
if (sock_owned_by_user(asoc->base.sk)) {
- SCTP_DEBUG_PRINTK("%s:Sock is busy.\n", __func__);
+ pr_debug("%s: sock is busy\n", __func__);
/* Try again later. */
if (!mod_timer(&transport->T3_rtx_timer, jiffies + (HZ/20)))
@@ -297,9 +291,8 @@ static void sctp_generate_timeout_event(struct sctp_association *asoc,
sctp_bh_lock_sock(asoc->base.sk);
if (sock_owned_by_user(asoc->base.sk)) {
- SCTP_DEBUG_PRINTK("%s:Sock is busy: timer %d\n",
- __func__,
- timeout_type);
+ pr_debug("%s: sock is busy: timer %d\n", __func__,
+ timeout_type);
/* Try again later. */
if (!mod_timer(&asoc->timers[timeout_type], jiffies + (HZ/20)))
@@ -377,7 +370,7 @@ void sctp_generate_heartbeat_event(unsigned long data)
sctp_bh_lock_sock(asoc->base.sk);
if (sock_owned_by_user(asoc->base.sk)) {
- SCTP_DEBUG_PRINTK("%s:Sock is busy.\n", __func__);
+ pr_debug("%s: sock is busy\n", __func__);
/* Try again later. */
if (!mod_timer(&transport->hb_timer, jiffies + (HZ/20)))
@@ -415,7 +408,7 @@ void sctp_generate_proto_unreach_event(unsigned long data)
sctp_bh_lock_sock(asoc->base.sk);
if (sock_owned_by_user(asoc->base.sk)) {
- SCTP_DEBUG_PRINTK("%s:Sock is busy.\n", __func__);
+ pr_debug("%s: sock is busy\n", __func__);
/* Try again later. */
if (!mod_timer(&transport->proto_unreach_timer,
@@ -521,11 +514,9 @@ static void sctp_do_8_2_transport_strike(sctp_cmd_seq_t *commands,
if (transport->state != SCTP_INACTIVE &&
(transport->error_count > transport->pathmaxrxt)) {
- SCTP_DEBUG_PRINTK_IPADDR("transport_strike:association %p",
- " transport IP: port:%d failed.\n",
- asoc,
- (&transport->ipaddr),
- ntohs(transport->ipaddr.v4.sin_port));
+ pr_debug("%s: association:%p transport addr:%pISpc failed\n",
+ __func__, asoc, &transport->ipaddr.sa);
+
sctp_assoc_control_transport(asoc, transport,
SCTP_TRANSPORT_DOWN,
SCTP_FAILED_THRESHOLD);
@@ -733,6 +724,12 @@ static void sctp_cmd_transport_on(sctp_cmd_seq_t *cmds,
sctp_assoc_control_transport(asoc, t, SCTP_TRANSPORT_UP,
SCTP_HEARTBEAT_SUCCESS);
+ /* HB-ACK was received for a the proper HB. Consider this
+ * forward progress.
+ */
+ if (t->dst)
+ dst_confirm(t->dst);
+
/* The receiver of the HEARTBEAT ACK should also perform an
* RTT measurement for that destination transport address
* using the time value carried in the HEARTBEAT ACK chunk.
@@ -804,8 +801,7 @@ static void sctp_cmd_new_state(sctp_cmd_seq_t *cmds,
asoc->state = state;
- SCTP_DEBUG_PRINTK("sctp_cmd_new_state: asoc %p[%s]\n",
- asoc, sctp_state_tbl[state]);
+ pr_debug("%s: asoc:%p[%s]\n", __func__, asoc, sctp_state_tbl[state]);
if (sctp_style(sk, TCP)) {
/* Change the sk->sk_state of a TCP-style socket that has
@@ -1016,15 +1012,11 @@ static void sctp_cmd_t1_timer_update(struct sctp_association *asoc,
asoc->timeouts[timer] = asoc->max_init_timeo;
}
asoc->init_cycle++;
- SCTP_DEBUG_PRINTK(
- "T1 %s Timeout adjustment"
- " init_err_counter: %d"
- " cycle: %d"
- " timeout: %ld\n",
- name,
- asoc->init_err_counter,
- asoc->init_cycle,
- asoc->timeouts[timer]);
+
+ pr_debug("%s: T1[%s] timeout adjustment init_err_counter:%d"
+ " cycle:%d timeout:%ld\n", __func__, name,
+ asoc->init_err_counter, asoc->init_cycle,
+ asoc->timeouts[timer]);
}
}
@@ -1079,23 +1071,19 @@ static void sctp_cmd_send_asconf(struct sctp_association *asoc)
* main flow of sctp_do_sm() to keep attention focused on the real
* functionality there.
*/
-#define DEBUG_PRE \
- SCTP_DEBUG_PRINTK("sctp_do_sm prefn: " \
- "ep %p, %s, %s, asoc %p[%s], %s\n", \
- ep, sctp_evttype_tbl[event_type], \
- (*debug_fn)(subtype), asoc, \
- sctp_state_tbl[state], state_fn->name)
-
-#define DEBUG_POST \
- SCTP_DEBUG_PRINTK("sctp_do_sm postfn: " \
- "asoc %p, status: %s\n", \
- asoc, sctp_status_tbl[status])
-
-#define DEBUG_POST_SFX \
- SCTP_DEBUG_PRINTK("sctp_do_sm post sfx: error %d, asoc %p[%s]\n", \
- error, asoc, \
- sctp_state_tbl[(asoc && sctp_id2assoc(ep->base.sk, \
- sctp_assoc2id(asoc)))?asoc->state:SCTP_STATE_CLOSED])
+#define debug_pre_sfn() \
+ pr_debug("%s[pre-fn]: ep:%p, %s, %s, asoc:%p[%s], %s\n", __func__, \
+ ep, sctp_evttype_tbl[event_type], (*debug_fn)(subtype), \
+ asoc, sctp_state_tbl[state], state_fn->name)
+
+#define debug_post_sfn() \
+ pr_debug("%s[post-fn]: asoc:%p, status:%s\n", __func__, asoc, \
+ sctp_status_tbl[status])
+
+#define debug_post_sfx() \
+ pr_debug("%s[post-sfx]: error:%d, asoc:%p[%s]\n", __func__, error, \
+ asoc, sctp_state_tbl[(asoc && sctp_id2assoc(ep->base.sk, \
+ sctp_assoc2id(asoc))) ? asoc->state : SCTP_STATE_CLOSED])
/*
* This is the master state machine processing function.
@@ -1115,7 +1103,6 @@ int sctp_do_sm(struct net *net, sctp_event_t event_type, sctp_subtype_t subtype,
sctp_disposition_t status;
int error = 0;
typedef const char *(printfn_t)(sctp_subtype_t);
-
static printfn_t *table[] = {
NULL, sctp_cname, sctp_tname, sctp_oname, sctp_pname,
};
@@ -1128,21 +1115,18 @@ int sctp_do_sm(struct net *net, sctp_event_t event_type, sctp_subtype_t subtype,
sctp_init_cmd_seq(&commands);
- DEBUG_PRE;
+ debug_pre_sfn();
status = (*state_fn->fn)(net, ep, asoc, subtype, event_arg, &commands);
- DEBUG_POST;
+ debug_post_sfn();
error = sctp_side_effects(event_type, subtype, state,
ep, asoc, event_arg, status,
&commands, gfp);
- DEBUG_POST_SFX;
+ debug_post_sfx();
return error;
}
-#undef DEBUG_PRE
-#undef DEBUG_POST
-
/*****************************************************************
* This the master state function side effect processing function.
*****************************************************************/
@@ -1171,9 +1155,9 @@ static int sctp_side_effects(sctp_event_t event_type, sctp_subtype_t subtype,
switch (status) {
case SCTP_DISPOSITION_DISCARD:
- SCTP_DEBUG_PRINTK("Ignored sctp protocol event - state %d, "
- "event_type %d, event_id %d\n",
- state, event_type, subtype.chunk);
+ pr_debug("%s: ignored sctp protocol event - state:%d, "
+ "event_type:%d, event_id:%d\n", __func__, state,
+ event_type, subtype.chunk);
break;
case SCTP_DISPOSITION_NOMEM:
@@ -1274,8 +1258,10 @@ static int sctp_cmd_interpreter(sctp_event_t event_type,
sctp_outq_uncork(&asoc->outqueue);
local_cork = 0;
}
- asoc = cmd->obj.asoc;
+
/* Register with the endpoint. */
+ asoc = cmd->obj.asoc;
+ BUG_ON(asoc->peer.primary_path == NULL);
sctp_endpoint_add_asoc(ep, asoc);
sctp_hash_established(asoc);
break;
@@ -1422,18 +1408,18 @@ static int sctp_cmd_interpreter(sctp_event_t event_type,
case SCTP_CMD_CHUNK_ULP:
/* Send a chunk to the sockets layer. */
- SCTP_DEBUG_PRINTK("sm_sideff: %s %p, %s %p.\n",
- "chunk_up:", cmd->obj.chunk,
- "ulpq:", &asoc->ulpq);
+ pr_debug("%s: sm_sideff: chunk_up:%p, ulpq:%p\n",
+ __func__, cmd->obj.chunk, &asoc->ulpq);
+
sctp_ulpq_tail_data(&asoc->ulpq, cmd->obj.chunk,
GFP_ATOMIC);
break;
case SCTP_CMD_EVENT_ULP:
/* Send a notification to the sockets layer. */
- SCTP_DEBUG_PRINTK("sm_sideff: %s %p, %s %p.\n",
- "event_up:",cmd->obj.ulpevent,
- "ulpq:",&asoc->ulpq);
+ pr_debug("%s: sm_sideff: event_up:%p, ulpq:%p\n",
+ __func__, cmd->obj.ulpevent, &asoc->ulpq);
+
sctp_ulpq_tail_event(&asoc->ulpq, cmd->obj.ulpevent);
break;
@@ -1598,7 +1584,7 @@ static int sctp_cmd_interpreter(sctp_event_t event_type,
break;
case SCTP_CMD_REPORT_BAD_TAG:
- SCTP_DEBUG_PRINTK("vtag mismatch!\n");
+ pr_debug("%s: vtag mismatch!\n", __func__);
break;
case SCTP_CMD_STRIKE:
diff --git a/net/sctp/sm_statefuns.c b/net/sctp/sm_statefuns.c
index de1a013..dfe3f36 100644
--- a/net/sctp/sm_statefuns.c
+++ b/net/sctp/sm_statefuns.c
@@ -28,10 +28,7 @@
*
* Please send any bug reports or fixes you make to the
* email address(es):
- * lksctp developers <lksctp-developers@lists.sourceforge.net>
- *
- * Or submit a bug report through the following website:
- * http://www.sf.net/projects/lksctp
+ * lksctp developers <linux-sctp@vger.kernel.org>
*
* Written or modified by:
* La Monte H.P. Yarroll <piggy@acm.org>
@@ -45,9 +42,6 @@
* Ardelle Fan <ardelle.fan@intel.com>
* Ryan Layer <rmlayer@us.ibm.com>
* Kevin Gao <kevin.gao@intel.com>
- *
- * Any bugs reported given to us we will try to fix... any fixes shared will
- * be incorporated into the next SCTP release.
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
@@ -1179,9 +1173,9 @@ sctp_disposition_t sctp_sf_backbeat_8_3(struct net *net,
/* Check if the timestamp looks valid. */
if (time_after(hbinfo->sent_at, jiffies) ||
time_after(jiffies, hbinfo->sent_at + max_interval)) {
- SCTP_DEBUG_PRINTK("%s: HEARTBEAT ACK with invalid timestamp "
- "received for transport: %p\n",
- __func__, link);
+ pr_debug("%s: HEARTBEAT ACK with invalid timestamp received "
+ "for transport:%p\n", __func__, link);
+
return SCTP_DISPOSITION_DISCARD;
}
@@ -2562,7 +2556,8 @@ static sctp_disposition_t sctp_stop_t1_and_abort(struct net *net,
const struct sctp_association *asoc,
struct sctp_transport *transport)
{
- SCTP_DEBUG_PRINTK("ABORT received (INIT).\n");
+ pr_debug("%s: ABORT received (INIT)\n", __func__);
+
sctp_add_cmd_sf(commands, SCTP_CMD_NEW_STATE,
SCTP_STATE(SCTP_STATE_CLOSED));
SCTP_INC_STATS(net, SCTP_MIB_ABORTEDS);
@@ -2572,6 +2567,7 @@ static sctp_disposition_t sctp_stop_t1_and_abort(struct net *net,
/* CMD_INIT_FAILED will DELETE_TCB. */
sctp_add_cmd_sf(commands, SCTP_CMD_INIT_FAILED,
SCTP_PERR(error));
+
return SCTP_DISPOSITION_ABORT;
}
@@ -2637,8 +2633,9 @@ sctp_disposition_t sctp_sf_do_9_2_shutdown(struct net *net,
ctsn = ntohl(sdh->cum_tsn_ack);
if (TSN_lt(ctsn, asoc->ctsn_ack_point)) {
- SCTP_DEBUG_PRINTK("ctsn %x\n", ctsn);
- SCTP_DEBUG_PRINTK("ctsn_ack_point %x\n", asoc->ctsn_ack_point);
+ pr_debug("%s: ctsn:%x, ctsn_ack_point:%x\n", __func__, ctsn,
+ asoc->ctsn_ack_point);
+
return SCTP_DISPOSITION_DISCARD;
}
@@ -2721,8 +2718,9 @@ sctp_disposition_t sctp_sf_do_9_2_shut_ctsn(struct net *net,
ctsn = ntohl(sdh->cum_tsn_ack);
if (TSN_lt(ctsn, asoc->ctsn_ack_point)) {
- SCTP_DEBUG_PRINTK("ctsn %x\n", ctsn);
- SCTP_DEBUG_PRINTK("ctsn_ack_point %x\n", asoc->ctsn_ack_point);
+ pr_debug("%s: ctsn:%x, ctsn_ack_point:%x\n", __func__, ctsn,
+ asoc->ctsn_ack_point);
+
return SCTP_DISPOSITION_DISCARD;
}
@@ -3174,8 +3172,9 @@ sctp_disposition_t sctp_sf_eat_sack_6_2(struct net *net,
* Point indicates an out-of-order SACK.
*/
if (TSN_lt(ctsn, asoc->ctsn_ack_point)) {
- SCTP_DEBUG_PRINTK("ctsn %x\n", ctsn);
- SCTP_DEBUG_PRINTK("ctsn_ack_point %x\n", asoc->ctsn_ack_point);
+ pr_debug("%s: ctsn:%x, ctsn_ack_point:%x\n", __func__, ctsn,
+ asoc->ctsn_ack_point);
+
return SCTP_DISPOSITION_DISCARD;
}
@@ -3859,7 +3858,7 @@ sctp_disposition_t sctp_sf_eat_fwd_tsn(struct net *net,
skb_pull(chunk->skb, len);
tsn = ntohl(fwdtsn_hdr->new_cum_tsn);
- SCTP_DEBUG_PRINTK("%s: TSN 0x%x.\n", __func__, tsn);
+ pr_debug("%s: TSN 0x%x\n", __func__, tsn);
/* The TSN is too high--silently discard the chunk and count on it
* getting retransmitted later.
@@ -3927,7 +3926,7 @@ sctp_disposition_t sctp_sf_eat_fwd_tsn_fast(
skb_pull(chunk->skb, len);
tsn = ntohl(fwdtsn_hdr->new_cum_tsn);
- SCTP_DEBUG_PRINTK("%s: TSN 0x%x.\n", __func__, tsn);
+ pr_debug("%s: TSN 0x%x\n", __func__, tsn);
/* The TSN is too high--silently discard the chunk and count on it
* getting retransmitted later.
@@ -4166,7 +4165,7 @@ sctp_disposition_t sctp_sf_unk_chunk(struct net *net,
struct sctp_chunk *err_chunk;
sctp_chunkhdr_t *hdr;
- SCTP_DEBUG_PRINTK("Processing the unknown chunk id %d.\n", type.chunk);
+ pr_debug("%s: processing unknown chunk id:%d\n", __func__, type.chunk);
if (!sctp_vtag_verify(unk_chunk, asoc))
return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);
@@ -4256,7 +4255,8 @@ sctp_disposition_t sctp_sf_discard_chunk(struct net *net,
return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,
commands);
- SCTP_DEBUG_PRINTK("Chunk %d is discarded\n", type.chunk);
+ pr_debug("%s: chunk:%d is discarded\n", __func__, type.chunk);
+
return SCTP_DISPOSITION_DISCARD;
}
@@ -4632,16 +4632,16 @@ sctp_disposition_t sctp_sf_do_prm_asoc(struct net *net,
if (!repl)
goto nomem;
+ /* Choose transport for INIT. */
+ sctp_add_cmd_sf(commands, SCTP_CMD_INIT_CHOOSE_TRANSPORT,
+ SCTP_CHUNK(repl));
+
/* Cast away the const modifier, as we want to just
* rerun it through as a sideffect.
*/
my_asoc = (struct sctp_association *)asoc;
sctp_add_cmd_sf(commands, SCTP_CMD_NEW_ASOC, SCTP_ASOC(my_asoc));
- /* Choose transport for INIT. */
- sctp_add_cmd_sf(commands, SCTP_CMD_INIT_CHOOSE_TRANSPORT,
- SCTP_CHUNK(repl));
-
/* After sending the INIT, "A" starts the T1-init timer and
* enters the COOKIE-WAIT state.
*/
@@ -5184,7 +5184,9 @@ sctp_disposition_t sctp_sf_ignore_primitive(
void *arg,
sctp_cmd_seq_t *commands)
{
- SCTP_DEBUG_PRINTK("Primitive type %d is ignored.\n", type.primitive);
+ pr_debug("%s: primitive type:%d is ignored\n", __func__,
+ type.primitive);
+
return SCTP_DISPOSITION_DISCARD;
}
@@ -5379,7 +5381,9 @@ sctp_disposition_t sctp_sf_ignore_other(struct net *net,
void *arg,
sctp_cmd_seq_t *commands)
{
- SCTP_DEBUG_PRINTK("The event other type %d is ignored\n", type.other);
+ pr_debug("%s: the event other type:%d is ignored\n",
+ __func__, type.other);
+
return SCTP_DISPOSITION_DISCARD;
}
@@ -5527,7 +5531,8 @@ sctp_disposition_t sctp_sf_t1_init_timer_expire(struct net *net,
struct sctp_bind_addr *bp;
int attempts = asoc->init_err_counter + 1;
- SCTP_DEBUG_PRINTK("Timer T1 expired (INIT).\n");
+ pr_debug("%s: timer T1 expired (INIT)\n", __func__);
+
SCTP_INC_STATS(net, SCTP_MIB_T1_INIT_EXPIREDS);
if (attempts <= asoc->max_init_attempts) {
@@ -5546,9 +5551,10 @@ sctp_disposition_t sctp_sf_t1_init_timer_expire(struct net *net,
sctp_add_cmd_sf(commands, SCTP_CMD_REPLY, SCTP_CHUNK(repl));
} else {
- SCTP_DEBUG_PRINTK("Giving up on INIT, attempts: %d"
- " max_init_attempts: %d\n",
- attempts, asoc->max_init_attempts);
+ pr_debug("%s: giving up on INIT, attempts:%d "
+ "max_init_attempts:%d\n", __func__, attempts,
+ asoc->max_init_attempts);
+
sctp_add_cmd_sf(commands, SCTP_CMD_SET_SK_ERR,
SCTP_ERROR(ETIMEDOUT));
sctp_add_cmd_sf(commands, SCTP_CMD_INIT_FAILED,
@@ -5588,7 +5594,8 @@ sctp_disposition_t sctp_sf_t1_cookie_timer_expire(struct net *net,
struct sctp_chunk *repl = NULL;
int attempts = asoc->init_err_counter + 1;
- SCTP_DEBUG_PRINTK("Timer T1 expired (COOKIE-ECHO).\n");
+ pr_debug("%s: timer T1 expired (COOKIE-ECHO)\n", __func__);
+
SCTP_INC_STATS(net, SCTP_MIB_T1_COOKIE_EXPIREDS);
if (attempts <= asoc->max_init_attempts) {
@@ -5636,7 +5643,8 @@ sctp_disposition_t sctp_sf_t2_timer_expire(struct net *net,
{
struct sctp_chunk *reply = NULL;
- SCTP_DEBUG_PRINTK("Timer T2 expired.\n");
+ pr_debug("%s: timer T2 expired\n", __func__);
+
SCTP_INC_STATS(net, SCTP_MIB_T2_SHUTDOWN_EXPIREDS);
((struct sctp_association *)asoc)->shutdown_retries++;
@@ -5777,7 +5785,8 @@ sctp_disposition_t sctp_sf_t5_timer_expire(struct net *net,
{
struct sctp_chunk *reply = NULL;
- SCTP_DEBUG_PRINTK("Timer T5 expired.\n");
+ pr_debug("%s: timer T5 expired\n", __func__);
+
SCTP_INC_STATS(net, SCTP_MIB_T5_SHUTDOWN_GUARD_EXPIREDS);
reply = sctp_make_abort(asoc, NULL, 0);
@@ -5892,7 +5901,8 @@ sctp_disposition_t sctp_sf_timer_ignore(struct net *net,
void *arg,
sctp_cmd_seq_t *commands)
{
- SCTP_DEBUG_PRINTK("Timer %d ignored.\n", type.chunk);
+ pr_debug("%s: timer %d ignored\n", __func__, type.chunk);
+
return SCTP_DISPOSITION_CONSUME;
}
@@ -6102,7 +6112,7 @@ static int sctp_eat_data(const struct sctp_association *asoc,
skb_pull(chunk->skb, sizeof(sctp_datahdr_t));
tsn = ntohl(data_hdr->tsn);
- SCTP_DEBUG_PRINTK("eat_data: TSN 0x%x.\n", tsn);
+ pr_debug("%s: TSN 0x%x\n", __func__, tsn);
/* ASSERT: Now skb->data is really the user data. */
@@ -6179,12 +6189,12 @@ static int sctp_eat_data(const struct sctp_association *asoc,
*/
if (sctp_tsnmap_has_gap(map) &&
(sctp_tsnmap_get_ctsn(map) + 1) == tsn) {
- SCTP_DEBUG_PRINTK("Reneging for tsn:%u\n", tsn);
+ pr_debug("%s: reneging for tsn:%u\n", __func__, tsn);
deliver = SCTP_CMD_RENEGE;
} else {
- SCTP_DEBUG_PRINTK("Discard tsn: %u len: %Zd, "
- "rwnd: %d\n", tsn, datalen,
- asoc->rwnd);
+ pr_debug("%s: discard tsn:%u len:%zu, rwnd:%d\n",
+ __func__, tsn, datalen, asoc->rwnd);
+
return SCTP_IERROR_IGNORE_TSN;
}
}
@@ -6199,7 +6209,8 @@ static int sctp_eat_data(const struct sctp_association *asoc,
if (*sk->sk_prot_creator->memory_pressure) {
if (sctp_tsnmap_has_gap(map) &&
(sctp_tsnmap_get_ctsn(map) + 1) == tsn) {
- SCTP_DEBUG_PRINTK("Under Pressure! Reneging for tsn:%u\n", tsn);
+ pr_debug("%s: under pressure, reneging for tsn:%u\n",
+ __func__, tsn);
deliver = SCTP_CMD_RENEGE;
}
}
diff --git a/net/sctp/sm_statetable.c b/net/sctp/sm_statetable.c
index 84d98d8..c5999b2 100644
--- a/net/sctp/sm_statetable.c
+++ b/net/sctp/sm_statetable.c
@@ -28,10 +28,7 @@
*
* Please send any bug reports or fixes you make to the
* email address(es):
- * lksctp developers <lksctp-developers@lists.sourceforge.net>
- *
- * Or submit a bug report through the following website:
- * http://www.sf.net/projects/lksctp
+ * lksctp developers <linux-sctp@vger.kernel.org>
*
* Written or modified by:
* La Monte H.P. Yarroll <piggy@acm.org>
@@ -41,9 +38,6 @@
* Daisy Chang <daisyc@us.ibm.com>
* Ardelle Fan <ardelle.fan@intel.com>
* Sridhar Samudrala <sri@us.ibm.com>
- *
- * Any bugs reported given to us we will try to fix... any fixes shared will
- * be incorporated into the next SCTP release.
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index 6abb1ca..72046b9 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -34,10 +34,7 @@
*
* Please send any bug reports or fixes you make to the
* email address(es):
- * lksctp developers <lksctp-developers@lists.sourceforge.net>
- *
- * Or submit a bug report through the following website:
- * http://www.sf.net/projects/lksctp
+ * lksctp developers <linux-sctp@vger.kernel.org>
*
* Written or modified by:
* La Monte H.P. Yarroll <piggy@acm.org>
@@ -52,9 +49,6 @@
* Ryan Layer <rmlayer@us.ibm.com>
* Anup Pemmaiah <pemmaiah@cc.usu.edu>
* Kevin Gao <kevin.gao@intel.com>
- *
- * Any bugs reported given to us we will try to fix... any fixes shared will
- * be incorporated into the next SCTP release.
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
@@ -84,11 +78,6 @@
#include <net/sctp/sctp.h>
#include <net/sctp/sm.h>
-/* WARNING: Please do not remove the SCTP_STATIC attribute to
- * any of the functions below as they are used to export functions
- * used by a project regression testsuite.
- */
-
/* Forward declarations for internal helper functions. */
static int sctp_writeable(struct sock *sk);
static void sctp_wfree(struct sk_buff *skb);
@@ -98,6 +87,7 @@ static int sctp_wait_for_packet(struct sock * sk, int *err, long *timeo_p);
static int sctp_wait_for_connect(struct sctp_association *, long *timeo_p);
static int sctp_wait_for_accept(struct sock *sk, long timeo);
static void sctp_wait_for_close(struct sock *sk, long timeo);
+static void sctp_destruct_sock(struct sock *sk);
static struct sctp_af *sctp_sockaddr_af(struct sctp_sock *opt,
union sctp_addr *addr, int len);
static int sctp_bindx_add(struct sock *, struct sockaddr *, int);
@@ -279,14 +269,14 @@ static struct sctp_transport *sctp_addr_id2transport(struct sock *sk,
* sockaddr_in6 [RFC 2553]),
* addr_len - the size of the address structure.
*/
-SCTP_STATIC int sctp_bind(struct sock *sk, struct sockaddr *addr, int addr_len)
+static int sctp_bind(struct sock *sk, struct sockaddr *addr, int addr_len)
{
int retval = 0;
sctp_lock_sock(sk);
- SCTP_DEBUG_PRINTK("sctp_bind(sk: %p, addr: %p, addr_len: %d)\n",
- sk, addr, addr_len);
+ pr_debug("%s: sk:%p, addr:%p, addr_len:%d\n", __func__, sk,
+ addr, addr_len);
/* Disallow binding twice. */
if (!sctp_sk(sk)->ep->base.bind_addr.port)
@@ -333,7 +323,7 @@ static struct sctp_af *sctp_sockaddr_af(struct sctp_sock *opt,
}
/* Bind a local address either to an endpoint or to an association. */
-SCTP_STATIC int sctp_do_bind(struct sock *sk, union sctp_addr *addr, int len)
+static int sctp_do_bind(struct sock *sk, union sctp_addr *addr, int len)
{
struct net *net = sock_net(sk);
struct sctp_sock *sp = sctp_sk(sk);
@@ -346,19 +336,15 @@ SCTP_STATIC int sctp_do_bind(struct sock *sk, union sctp_addr *addr, int len)
/* Common sockaddr verification. */
af = sctp_sockaddr_af(sp, addr, len);
if (!af) {
- SCTP_DEBUG_PRINTK("sctp_do_bind(sk: %p, newaddr: %p, len: %d) EINVAL\n",
- sk, addr, len);
+ pr_debug("%s: sk:%p, newaddr:%p, len:%d EINVAL\n",
+ __func__, sk, addr, len);
return -EINVAL;
}
snum = ntohs(addr->v4.sin_port);
- SCTP_DEBUG_PRINTK_IPADDR("sctp_do_bind(sk: %p, new addr: ",
- ", port: %d, new port: %d, len: %d)\n",
- sk,
- addr,
- bp->port, snum,
- len);
+ pr_debug("%s: sk:%p, new addr:%pISc, port:%d, new port:%d, len:%d\n",
+ __func__, sk, &addr->sa, bp->port, snum, len);
/* PF specific bind() address verification. */
if (!sp->pf->bind_verify(sp, addr))
@@ -372,9 +358,8 @@ SCTP_STATIC int sctp_do_bind(struct sock *sk, union sctp_addr *addr, int len)
if (!snum)
snum = bp->port;
else if (snum != bp->port) {
- SCTP_DEBUG_PRINTK("sctp_do_bind:"
- " New port %d does not match existing port "
- "%d.\n", snum, bp->port);
+ pr_debug("%s: new port %d doesn't match existing port "
+ "%d\n", __func__, snum, bp->port);
return -EINVAL;
}
}
@@ -472,8 +457,8 @@ static int sctp_bindx_add(struct sock *sk, struct sockaddr *addrs, int addrcnt)
struct sockaddr *sa_addr;
struct sctp_af *af;
- SCTP_DEBUG_PRINTK("sctp_bindx_add (sk: %p, addrs: %p, addrcnt: %d)\n",
- sk, addrs, addrcnt);
+ pr_debug("%s: sk:%p, addrs:%p, addrcnt:%d\n", __func__, sk,
+ addrs, addrcnt);
addr_buf = addrs;
for (cnt = 0; cnt < addrcnt; cnt++) {
@@ -539,11 +524,10 @@ static int sctp_send_asconf_add_ip(struct sock *sk,
sp = sctp_sk(sk);
ep = sp->ep;
- SCTP_DEBUG_PRINTK("%s: (sk: %p, addrs: %p, addrcnt: %d)\n",
- __func__, sk, addrs, addrcnt);
+ pr_debug("%s: sk:%p, addrs:%p, addrcnt:%d\n",
+ __func__, sk, addrs, addrcnt);
list_for_each_entry(asoc, &ep->asocs, asocs) {
-
if (!asoc->peer.asconf_capable)
continue;
@@ -650,8 +634,8 @@ static int sctp_bindx_rem(struct sock *sk, struct sockaddr *addrs, int addrcnt)
union sctp_addr *sa_addr;
struct sctp_af *af;
- SCTP_DEBUG_PRINTK("sctp_bindx_rem (sk: %p, addrs: %p, addrcnt: %d)\n",
- sk, addrs, addrcnt);
+ pr_debug("%s: sk:%p, addrs:%p, addrcnt:%d\n",
+ __func__, sk, addrs, addrcnt);
addr_buf = addrs;
for (cnt = 0; cnt < addrcnt; cnt++) {
@@ -744,8 +728,8 @@ static int sctp_send_asconf_del_ip(struct sock *sk,
sp = sctp_sk(sk);
ep = sp->ep;
- SCTP_DEBUG_PRINTK("%s: (sk: %p, addrs: %p, addrcnt: %d)\n",
- __func__, sk, addrs, addrcnt);
+ pr_debug("%s: sk:%p, addrs:%p, addrcnt:%d\n",
+ __func__, sk, addrs, addrcnt);
list_for_each_entry(asoc, &ep->asocs, asocs) {
@@ -812,14 +796,19 @@ static int sctp_send_asconf_del_ip(struct sock *sk,
sin6 = (struct sockaddr_in6 *)addrs;
asoc->asconf_addr_del_pending->v6.sin6_addr = sin6->sin6_addr;
}
- SCTP_DEBUG_PRINTK_IPADDR("send_asconf_del_ip: keep the last address asoc: %p ",
- " at %p\n", asoc, asoc->asconf_addr_del_pending,
- asoc->asconf_addr_del_pending);
+
+ pr_debug("%s: keep the last address asoc:%p %pISc at %p\n",
+ __func__, asoc, &asoc->asconf_addr_del_pending->sa,
+ asoc->asconf_addr_del_pending);
+
asoc->src_out_of_asoc_ok = 1;
stored = 1;
goto skip_mkasconf;
}
+ if (laddr == NULL)
+ return -EINVAL;
+
/* We do not need RCU protection throughout this loop
* because this is done under a socket lock from the
* setsockopt call.
@@ -964,9 +953,9 @@ int sctp_asconf_mgmt(struct sctp_sock *sp, struct sctp_sockaddr_entry *addrw)
*
* Returns 0 if ok, <0 errno code on error.
*/
-SCTP_STATIC int sctp_setsockopt_bindx(struct sock* sk,
- struct sockaddr __user *addrs,
- int addrs_size, int op)
+static int sctp_setsockopt_bindx(struct sock* sk,
+ struct sockaddr __user *addrs,
+ int addrs_size, int op)
{
struct sockaddr *kaddrs;
int err;
@@ -976,8 +965,8 @@ SCTP_STATIC int sctp_setsockopt_bindx(struct sock* sk,
void *addr_buf;
struct sctp_af *af;
- SCTP_DEBUG_PRINTK("sctp_setsockopt_bindx: sk %p addrs %p"
- " addrs_size %d opt %d\n", sk, addrs, addrs_size, op);
+ pr_debug("%s: sk:%p addrs:%p addrs_size:%d opt:%d\n",
+ __func__, sk, addrs, addrs_size, op);
if (unlikely(addrs_size <= 0))
return -EINVAL;
@@ -1235,10 +1224,9 @@ static int __sctp_connect(struct sock* sk,
asoc = NULL;
out_free:
+ pr_debug("%s: took out_free path with asoc:%p kaddrs:%p err:%d\n",
+ __func__, asoc, kaddrs, err);
- SCTP_DEBUG_PRINTK("About to exit __sctp_connect() free asoc: %p"
- " kaddrs: %p err: %d\n",
- asoc, kaddrs, err);
if (asoc) {
/* sctp_primitive_ASSOCIATE may have added this association
* To the hash table, try to unhash it, just in case, its a noop
@@ -1312,7 +1300,7 @@ out_free:
*
* Returns >=0 if ok, <0 errno code on error.
*/
-SCTP_STATIC int __sctp_setsockopt_connectx(struct sock* sk,
+static int __sctp_setsockopt_connectx(struct sock* sk,
struct sockaddr __user *addrs,
int addrs_size,
sctp_assoc_t *assoc_id)
@@ -1320,8 +1308,8 @@ SCTP_STATIC int __sctp_setsockopt_connectx(struct sock* sk,
int err = 0;
struct sockaddr *kaddrs;
- SCTP_DEBUG_PRINTK("%s - sk %p addrs %p addrs_size %d\n",
- __func__, sk, addrs, addrs_size);
+ pr_debug("%s: sk:%p addrs:%p addrs_size:%d\n",
+ __func__, sk, addrs, addrs_size);
if (unlikely(addrs_size <= 0))
return -EINVAL;
@@ -1350,9 +1338,9 @@ SCTP_STATIC int __sctp_setsockopt_connectx(struct sock* sk,
* This is an older interface. It's kept for backward compatibility
* to the option that doesn't provide association id.
*/
-SCTP_STATIC int sctp_setsockopt_connectx_old(struct sock* sk,
- struct sockaddr __user *addrs,
- int addrs_size)
+static int sctp_setsockopt_connectx_old(struct sock* sk,
+ struct sockaddr __user *addrs,
+ int addrs_size)
{
return __sctp_setsockopt_connectx(sk, addrs, addrs_size, NULL);
}
@@ -1363,9 +1351,9 @@ SCTP_STATIC int sctp_setsockopt_connectx_old(struct sock* sk,
* indication to the call. Error is always negative and association id is
* always positive.
*/
-SCTP_STATIC int sctp_setsockopt_connectx(struct sock* sk,
- struct sockaddr __user *addrs,
- int addrs_size)
+static int sctp_setsockopt_connectx(struct sock* sk,
+ struct sockaddr __user *addrs,
+ int addrs_size)
{
sctp_assoc_t assoc_id = 0;
int err = 0;
@@ -1386,9 +1374,9 @@ SCTP_STATIC int sctp_setsockopt_connectx(struct sock* sk,
* addrs_num structure member. That way we can re-use the existing
* code.
*/
-SCTP_STATIC int sctp_getsockopt_connectx3(struct sock* sk, int len,
- char __user *optval,
- int __user *optlen)
+static int sctp_getsockopt_connectx3(struct sock* sk, int len,
+ char __user *optval,
+ int __user *optlen)
{
struct sctp_getaddrs_old param;
sctp_assoc_t assoc_id = 0;
@@ -1464,7 +1452,7 @@ SCTP_STATIC int sctp_getsockopt_connectx3(struct sock* sk, int len,
* shutdown phase does not finish during this period, close() will
* return but the graceful shutdown phase continues in the system.
*/
-SCTP_STATIC void sctp_close(struct sock *sk, long timeout)
+static void sctp_close(struct sock *sk, long timeout)
{
struct net *net = sock_net(sk);
struct sctp_endpoint *ep;
@@ -1472,7 +1460,7 @@ SCTP_STATIC void sctp_close(struct sock *sk, long timeout)
struct list_head *pos, *temp;
unsigned int data_was_unread;
- SCTP_DEBUG_PRINTK("sctp_close(sk: 0x%p, timeout:%ld)\n", sk, timeout);
+ pr_debug("%s: sk:%p, timeout:%ld\n", __func__, sk, timeout);
sctp_lock_sock(sk);
sk->sk_shutdown = SHUTDOWN_MASK;
@@ -1573,10 +1561,10 @@ static int sctp_error(struct sock *sk, int flags, int err)
*/
/* BUG: We do not implement the equivalent of sk_stream_wait_memory(). */
-SCTP_STATIC int sctp_msghdr_parse(const struct msghdr *, sctp_cmsgs_t *);
+static int sctp_msghdr_parse(const struct msghdr *, sctp_cmsgs_t *);
-SCTP_STATIC int sctp_sendmsg(struct kiocb *iocb, struct sock *sk,
- struct msghdr *msg, size_t msg_len)
+static int sctp_sendmsg(struct kiocb *iocb, struct sock *sk,
+ struct msghdr *msg, size_t msg_len)
{
struct net *net = sock_net(sk);
struct sctp_sock *sp;
@@ -1598,14 +1586,12 @@ SCTP_STATIC int sctp_sendmsg(struct kiocb *iocb, struct sock *sk,
struct sctp_datamsg *datamsg;
int msg_flags = msg->msg_flags;
- SCTP_DEBUG_PRINTK("sctp_sendmsg(sk: %p, msg: %p, msg_len: %zu)\n",
- sk, msg, msg_len);
-
err = 0;
sp = sctp_sk(sk);
ep = sp->ep;
- SCTP_DEBUG_PRINTK("Using endpoint: %p.\n", ep);
+ pr_debug("%s: sk:%p, msg:%p, msg_len:%zu ep:%p\n", __func__, sk,
+ msg, msg_len, ep);
/* We cannot send a message over a TCP-style listening socket. */
if (sctp_style(sk, TCP) && sctp_sstate(sk, LISTENING)) {
@@ -1615,9 +1601,8 @@ SCTP_STATIC int sctp_sendmsg(struct kiocb *iocb, struct sock *sk,
/* Parse out the SCTP CMSGs. */
err = sctp_msghdr_parse(msg, &cmsgs);
-
if (err) {
- SCTP_DEBUG_PRINTK("msghdr parse err = %x\n", err);
+ pr_debug("%s: msghdr parse err:%x\n", __func__, err);
goto out_nounlock;
}
@@ -1649,8 +1634,8 @@ SCTP_STATIC int sctp_sendmsg(struct kiocb *iocb, struct sock *sk,
associd = sinfo->sinfo_assoc_id;
}
- SCTP_DEBUG_PRINTK("msg_len: %zu, sinfo_flags: 0x%x\n",
- msg_len, sinfo_flags);
+ pr_debug("%s: msg_len:%zu, sinfo_flags:0x%x\n", __func__,
+ msg_len, sinfo_flags);
/* SCTP_EOF or SCTP_ABORT cannot be set on a TCP-style socket. */
if (sctp_style(sk, TCP) && (sinfo_flags & (SCTP_EOF | SCTP_ABORT))) {
@@ -1679,7 +1664,7 @@ SCTP_STATIC int sctp_sendmsg(struct kiocb *iocb, struct sock *sk,
transport = NULL;
- SCTP_DEBUG_PRINTK("About to look up association.\n");
+ pr_debug("%s: about to look up association\n", __func__);
sctp_lock_sock(sk);
@@ -1709,7 +1694,7 @@ SCTP_STATIC int sctp_sendmsg(struct kiocb *iocb, struct sock *sk,
}
if (asoc) {
- SCTP_DEBUG_PRINTK("Just looked up association: %p.\n", asoc);
+ pr_debug("%s: just looked up association:%p\n", __func__, asoc);
/* We cannot send a message on a TCP-style SCTP_SS_ESTABLISHED
* socket that has an association in CLOSED state. This can
@@ -1722,8 +1707,9 @@ SCTP_STATIC int sctp_sendmsg(struct kiocb *iocb, struct sock *sk,
}
if (sinfo_flags & SCTP_EOF) {
- SCTP_DEBUG_PRINTK("Shutting down association: %p\n",
- asoc);
+ pr_debug("%s: shutting down association:%p\n",
+ __func__, asoc);
+
sctp_primitive_SHUTDOWN(net, asoc, NULL);
err = 0;
goto out_unlock;
@@ -1736,7 +1722,9 @@ SCTP_STATIC int sctp_sendmsg(struct kiocb *iocb, struct sock *sk,
goto out_unlock;
}
- SCTP_DEBUG_PRINTK("Aborting association: %p\n", asoc);
+ pr_debug("%s: aborting association:%p\n",
+ __func__, asoc);
+
sctp_primitive_ABORT(net, asoc, chunk);
err = 0;
goto out_unlock;
@@ -1745,7 +1733,7 @@ SCTP_STATIC int sctp_sendmsg(struct kiocb *iocb, struct sock *sk,
/* Do we need to create the association? */
if (!asoc) {
- SCTP_DEBUG_PRINTK("There is no association yet.\n");
+ pr_debug("%s: there is no association yet\n", __func__);
if (sinfo_flags & (SCTP_EOF | SCTP_ABORT)) {
err = -EINVAL;
@@ -1844,7 +1832,7 @@ SCTP_STATIC int sctp_sendmsg(struct kiocb *iocb, struct sock *sk,
}
/* ASSERT: we have a valid association at this point. */
- SCTP_DEBUG_PRINTK("We have a valid association.\n");
+ pr_debug("%s: we have a valid association\n", __func__);
if (!sinfo) {
/* If the user didn't specify SNDRCVINFO, make up one with
@@ -1913,7 +1901,8 @@ SCTP_STATIC int sctp_sendmsg(struct kiocb *iocb, struct sock *sk,
err = sctp_primitive_ASSOCIATE(net, asoc, NULL);
if (err < 0)
goto out_free;
- SCTP_DEBUG_PRINTK("We associated primitively.\n");
+
+ pr_debug("%s: we associated primitively\n", __func__);
}
/* Break the message into multiple chunks of maximum size. */
@@ -1940,17 +1929,15 @@ SCTP_STATIC int sctp_sendmsg(struct kiocb *iocb, struct sock *sk,
*/
err = sctp_primitive_SEND(net, asoc, datamsg);
/* Did the lower layer accept the chunk? */
- if (err)
+ if (err) {
sctp_datamsg_free(datamsg);
- else
- sctp_datamsg_put(datamsg);
+ goto out_free;
+ }
- SCTP_DEBUG_PRINTK("We sent primitively.\n");
+ pr_debug("%s: we sent primitively\n", __func__);
- if (err)
- goto out_free;
- else
- err = msg_len;
+ sctp_datamsg_put(datamsg);
+ err = msg_len;
/* If we are already past ASSOCIATE, the lower
* layers are responsible for association cleanup.
@@ -2034,9 +2021,9 @@ static int sctp_skb_pull(struct sk_buff *skb, int len)
*/
static struct sk_buff *sctp_skb_recv_datagram(struct sock *, int, int, int *);
-SCTP_STATIC int sctp_recvmsg(struct kiocb *iocb, struct sock *sk,
- struct msghdr *msg, size_t len, int noblock,
- int flags, int *addr_len)
+static int sctp_recvmsg(struct kiocb *iocb, struct sock *sk,
+ struct msghdr *msg, size_t len, int noblock,
+ int flags, int *addr_len)
{
struct sctp_ulpevent *event = NULL;
struct sctp_sock *sp = sctp_sk(sk);
@@ -2045,10 +2032,9 @@ SCTP_STATIC int sctp_recvmsg(struct kiocb *iocb, struct sock *sk,
int err = 0;
int skb_len;
- SCTP_DEBUG_PRINTK("sctp_recvmsg(%s: %p, %s: %p, %s: %zd, %s: %d, %s: "
- "0x%x, %s: %p)\n", "sk", sk, "msghdr", msg,
- "len", len, "knoblauch", noblock,
- "flags", flags, "addr_len", addr_len);
+ pr_debug("%s: sk:%p, msghdr:%p, len:%zd, noblock:%d, flags:0x%x, "
+ "addr_len:%p)\n", __func__, sk, msg, len, noblock, flags,
+ addr_len);
sctp_lock_sock(sk);
@@ -2915,13 +2901,8 @@ static int sctp_setsockopt_associnfo(struct sock *sk, char __user *optval, unsig
asoc->max_retrans = assocparams.sasoc_asocmaxrxt;
}
- if (assocparams.sasoc_cookie_life != 0) {
- asoc->cookie_life.tv_sec =
- assocparams.sasoc_cookie_life / 1000;
- asoc->cookie_life.tv_usec =
- (assocparams.sasoc_cookie_life % 1000)
- * 1000;
- }
+ if (assocparams.sasoc_cookie_life != 0)
+ asoc->cookie_life = ms_to_ktime(assocparams.sasoc_cookie_life);
} else {
/* Set the values to the endpoint */
struct sctp_sock *sp = sctp_sk(sk);
@@ -3095,7 +3076,7 @@ static int sctp_setsockopt_peer_primary_addr(struct sock *sk, char __user *optva
err = sctp_send_asconf(asoc, chunk);
- SCTP_DEBUG_PRINTK("We set peer primary addr primitively.\n");
+ pr_debug("%s: we set peer primary addr primitively\n", __func__);
return err;
}
@@ -3565,13 +3546,12 @@ static int sctp_setsockopt_paddr_thresholds(struct sock *sk,
* optval - the buffer to store the value of the option.
* optlen - the size of the buffer.
*/
-SCTP_STATIC int sctp_setsockopt(struct sock *sk, int level, int optname,
- char __user *optval, unsigned int optlen)
+static int sctp_setsockopt(struct sock *sk, int level, int optname,
+ char __user *optval, unsigned int optlen)
{
int retval = 0;
- SCTP_DEBUG_PRINTK("sctp_setsockopt(sk: %p... optname: %d)\n",
- sk, optname);
+ pr_debug("%s: sk:%p, optname:%d\n", __func__, sk, optname);
/* I can hardly begin to describe how wrong this is. This is
* so broken as to be worse than useless. The API draft
@@ -3725,16 +3705,16 @@ out_nounlock:
*
* len: the size of the address.
*/
-SCTP_STATIC int sctp_connect(struct sock *sk, struct sockaddr *addr,
- int addr_len)
+static int sctp_connect(struct sock *sk, struct sockaddr *addr,
+ int addr_len)
{
int err = 0;
struct sctp_af *af;
sctp_lock_sock(sk);
- SCTP_DEBUG_PRINTK("%s - sk: %p, sockaddr: %p, addr_len: %d\n",
- __func__, sk, addr, addr_len);
+ pr_debug("%s: sk:%p, sockaddr:%p, addr_len:%d\n", __func__, sk,
+ addr, addr_len);
/* Validate addr_len before calling common connect/connectx routine. */
af = sctp_get_af_specific(addr->sa_family);
@@ -3752,7 +3732,7 @@ SCTP_STATIC int sctp_connect(struct sock *sk, struct sockaddr *addr,
}
/* FIXME: Write comments. */
-SCTP_STATIC int sctp_disconnect(struct sock *sk, int flags)
+static int sctp_disconnect(struct sock *sk, int flags)
{
return -EOPNOTSUPP; /* STUB */
}
@@ -3764,7 +3744,7 @@ SCTP_STATIC int sctp_disconnect(struct sock *sk, int flags)
* descriptor will be returned from accept() to represent the newly
* formed association.
*/
-SCTP_STATIC struct sock *sctp_accept(struct sock *sk, int flags, int *err)
+static struct sock *sctp_accept(struct sock *sk, int flags, int *err)
{
struct sctp_sock *sp;
struct sctp_endpoint *ep;
@@ -3817,7 +3797,7 @@ out:
}
/* The SCTP ioctl handler. */
-SCTP_STATIC int sctp_ioctl(struct sock *sk, int cmd, unsigned long arg)
+static int sctp_ioctl(struct sock *sk, int cmd, unsigned long arg)
{
int rc = -ENOTCONN;
@@ -3859,13 +3839,12 @@ out:
* initialized the SCTP-specific portion of the sock.
* The sock structure should already be zero-filled memory.
*/
-SCTP_STATIC int sctp_init_sock(struct sock *sk)
+static int sctp_init_sock(struct sock *sk)
{
struct net *net = sock_net(sk);
- struct sctp_endpoint *ep;
struct sctp_sock *sp;
- SCTP_DEBUG_PRINTK("sctp_init_sock(sk: %p)\n", sk);
+ pr_debug("%s: sk:%p\n", __func__, sk);
sp = sctp_sk(sk);
@@ -3971,13 +3950,14 @@ SCTP_STATIC int sctp_init_sock(struct sock *sk)
* change the data structure relationships, this may still
* be useful for storing pre-connect address information.
*/
- ep = sctp_endpoint_new(sk, GFP_KERNEL);
- if (!ep)
+ sp->ep = sctp_endpoint_new(sk, GFP_KERNEL);
+ if (!sp->ep)
return -ENOMEM;
- sp->ep = ep;
sp->hmac = NULL;
+ sk->sk_destruct = sctp_destruct_sock;
+
SCTP_DBG_OBJCNT_INC(sock);
local_bh_disable();
@@ -3995,11 +3975,11 @@ SCTP_STATIC int sctp_init_sock(struct sock *sk)
}
/* Cleanup any SCTP per socket resources. */
-SCTP_STATIC void sctp_destroy_sock(struct sock *sk)
+static void sctp_destroy_sock(struct sock *sk)
{
struct sctp_sock *sp;
- SCTP_DEBUG_PRINTK("sctp_destroy_sock(sk: %p)\n", sk);
+ pr_debug("%s: sk:%p\n", __func__, sk);
/* Release our hold on the endpoint. */
sp = sctp_sk(sk);
@@ -4020,6 +4000,17 @@ SCTP_STATIC void sctp_destroy_sock(struct sock *sk)
local_bh_enable();
}
+/* Triggered when there are no references on the socket anymore */
+static void sctp_destruct_sock(struct sock *sk)
+{
+ struct sctp_sock *sp = sctp_sk(sk);
+
+ /* Free up the HMAC transform. */
+ crypto_free_hash(sp->hmac);
+
+ inet_sock_destruct(sk);
+}
+
/* API 4.1.7 shutdown() - TCP Style Syntax
* int shutdown(int socket, int how);
*
@@ -4036,7 +4027,7 @@ SCTP_STATIC void sctp_destroy_sock(struct sock *sk)
* Disables further send and receive operations
* and initiates the SCTP shutdown sequence.
*/
-SCTP_STATIC void sctp_shutdown(struct sock *sk, int how)
+static void sctp_shutdown(struct sock *sk, int how)
{
struct net *net = sock_net(sk);
struct sctp_endpoint *ep;
@@ -4121,9 +4112,9 @@ static int sctp_getsockopt_sctp_status(struct sock *sk, int len,
goto out;
}
- SCTP_DEBUG_PRINTK("sctp_getsockopt_sctp_status(%d): %d %d %d\n",
- len, status.sstat_state, status.sstat_rwnd,
- status.sstat_assoc_id);
+ pr_debug("%s: len:%d, state:%d, rwnd:%d, assoc_id:%d\n",
+ __func__, len, status.sstat_state, status.sstat_rwnd,
+ status.sstat_assoc_id);
if (copy_to_user(optval, &status, len)) {
retval = -EFAULT;
@@ -4318,7 +4309,7 @@ static int sctp_getsockopt_peeloff(struct sock *sk, int len, char __user *optval
goto out;
/* Map the socket to an unused fd that can be returned to the user. */
- retval = get_unused_fd();
+ retval = get_unused_fd_flags(0);
if (retval < 0) {
sock_release(newsock);
goto out;
@@ -4331,8 +4322,8 @@ static int sctp_getsockopt_peeloff(struct sock *sk, int len, char __user *optval
return PTR_ERR(newfile);
}
- SCTP_DEBUG_PRINTK("%s: sk: %p newsk: %p sd: %d\n",
- __func__, sk, newsock->sk, retval);
+ pr_debug("%s: sk:%p, newsk:%p, sd:%d\n", __func__, sk, newsock->sk,
+ retval);
/* Return the fd mapped to the new socket. */
if (put_user(len, optlen)) {
@@ -4465,7 +4456,7 @@ static int sctp_getsockopt_peer_addr_params(struct sock *sk, int len,
trans = sctp_addr_id2transport(sk, &params.spp_address,
params.spp_assoc_id);
if (!trans) {
- SCTP_DEBUG_PRINTK("Failed no transport\n");
+ pr_debug("%s: failed no transport\n", __func__);
return -EINVAL;
}
}
@@ -4476,7 +4467,7 @@ static int sctp_getsockopt_peer_addr_params(struct sock *sk, int len,
*/
asoc = sctp_id2assoc(sk, params.spp_assoc_id);
if (!asoc && params.spp_assoc_id && sctp_style(sk, UDP)) {
- SCTP_DEBUG_PRINTK("Failed no association\n");
+ pr_debug("%s: failed no association\n", __func__);
return -EINVAL;
}
@@ -5081,10 +5072,7 @@ static int sctp_getsockopt_associnfo(struct sock *sk, int len,
assocparams.sasoc_asocmaxrxt = asoc->max_retrans;
assocparams.sasoc_peer_rwnd = asoc->peer.rwnd;
assocparams.sasoc_local_rwnd = asoc->a_rwnd;
- assocparams.sasoc_cookie_life = (asoc->cookie_life.tv_sec
- * 1000) +
- (asoc->cookie_life.tv_usec
- / 1000);
+ assocparams.sasoc_cookie_life = ktime_to_ms(asoc->cookie_life);
list_for_each(pos, &asoc->peer.transport_addr_list) {
cnt ++;
@@ -5699,8 +5687,7 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
if (put_user(len, optlen))
return -EFAULT;
- SCTP_DEBUG_PRINTK("sctp_getsockopt_assoc_stat(%d): %d\n",
- len, sas.sas_assoc_id);
+ pr_debug("%s: len:%d, assoc_id:%d\n", __func__, len, sas.sas_assoc_id);
if (copy_to_user(optval, &sas, len))
return -EFAULT;
@@ -5708,14 +5695,13 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
return 0;
}
-SCTP_STATIC int sctp_getsockopt(struct sock *sk, int level, int optname,
- char __user *optval, int __user *optlen)
+static int sctp_getsockopt(struct sock *sk, int level, int optname,
+ char __user *optval, int __user *optlen)
{
int retval = 0;
int len;
- SCTP_DEBUG_PRINTK("sctp_getsockopt(sk: %p... optname: %d)\n",
- sk, optname);
+ pr_debug("%s: sk:%p, optname:%d\n", __func__, sk, optname);
/* I can hardly begin to describe how wrong this is. This is
* so broken as to be worse than useless. The API draft
@@ -5895,7 +5881,8 @@ static long sctp_get_port_local(struct sock *sk, union sctp_addr *addr)
snum = ntohs(addr->v4.sin_port);
- SCTP_DEBUG_PRINTK("sctp_get_port() begins, snum=%d\n", snum);
+ pr_debug("%s: begins, snum:%d\n", __func__, snum);
+
sctp_local_bh_disable();
if (snum == 0) {
@@ -5903,7 +5890,7 @@ static long sctp_get_port_local(struct sock *sk, union sctp_addr *addr)
int low, high, remaining, index;
unsigned int rover;
- inet_get_local_port_range(&low, &high);
+ inet_get_local_port_range(sock_net(sk), &low, &high);
remaining = (high - low) + 1;
rover = net_random() % remaining + low;
@@ -5961,7 +5948,8 @@ pp_found:
int reuse = sk->sk_reuse;
struct sock *sk2;
- SCTP_DEBUG_PRINTK("sctp_get_port() found a possible match\n");
+ pr_debug("%s: found a possible match\n", __func__);
+
if (pp->fastreuse && sk->sk_reuse &&
sk->sk_state != SCTP_SS_LISTENING)
goto success;
@@ -5991,7 +5979,8 @@ pp_found:
goto fail_unlock;
}
}
- SCTP_DEBUG_PRINTK("sctp_get_port(): Found a match\n");
+
+ pr_debug("%s: found a match\n", __func__);
}
pp_not_found:
/* If there was a hash table miss, create a new port. */
@@ -6037,7 +6026,6 @@ fail:
*/
static int sctp_get_port(struct sock *sk, unsigned short snum)
{
- long ret;
union sctp_addr addr;
struct sctp_af *af = sctp_sk(sk)->pf->af;
@@ -6046,15 +6034,13 @@ static int sctp_get_port(struct sock *sk, unsigned short snum)
addr.v4.sin_port = htons(snum);
/* Note: sk->sk_num gets filled in if ephemeral port request. */
- ret = sctp_get_port_local(sk, &addr);
-
- return ret ? 1 : 0;
+ return !!sctp_get_port_local(sk, &addr);
}
/*
* Move a socket to LISTENING state.
*/
-SCTP_STATIC int sctp_listen_start(struct sock *sk, int backlog)
+static int sctp_listen_start(struct sock *sk, int backlog)
{
struct sctp_sock *sp = sctp_sk(sk);
struct sctp_endpoint *ep = sp->ep;
@@ -6193,7 +6179,7 @@ unsigned int sctp_poll(struct file *file, struct socket *sock, poll_table *wait)
/* Is there any exceptional events? */
if (sk->sk_err || !skb_queue_empty(&sk->sk_error_queue))
mask |= POLLERR |
- sock_flag(sk, SOCK_SELECT_ERR_QUEUE) ? POLLPRI : 0;
+ (sock_flag(sk, SOCK_SELECT_ERR_QUEUE) ? POLLPRI : 0);
if (sk->sk_shutdown & RCV_SHUTDOWN)
mask |= POLLRDHUP | POLLIN | POLLRDNORM;
if (sk->sk_shutdown == SHUTDOWN_MASK)
@@ -6341,8 +6327,7 @@ static int sctp_autobind(struct sock *sk)
* msg_control
* points here
*/
-SCTP_STATIC int sctp_msghdr_parse(const struct msghdr *msg,
- sctp_cmsgs_t *cmsgs)
+static int sctp_msghdr_parse(const struct msghdr *msg, sctp_cmsgs_t *cmsgs)
{
struct cmsghdr *cmsg;
struct msghdr *my_msg = (struct msghdr *)msg;
@@ -6484,8 +6469,8 @@ static struct sk_buff *sctp_skb_recv_datagram(struct sock *sk, int flags,
timeo = sock_rcvtimeo(sk, noblock);
- SCTP_DEBUG_PRINTK("Timeout: timeo: %ld, MAX: %ld.\n",
- timeo, MAX_SCHEDULE_TIMEOUT);
+ pr_debug("%s: timeo:%ld, max:%ld\n", __func__, timeo,
+ MAX_SCHEDULE_TIMEOUT);
do {
/* Again only user level code calls this function,
@@ -6616,8 +6601,8 @@ static int sctp_wait_for_sndbuf(struct sctp_association *asoc, long *timeo_p,
long current_timeo = *timeo_p;
DEFINE_WAIT(wait);
- SCTP_DEBUG_PRINTK("wait_for_sndbuf: asoc=%p, timeo=%ld, msg_len=%zu\n",
- asoc, (long)(*timeo_p), msg_len);
+ pr_debug("%s: asoc:%p, timeo:%ld, msg_len:%zu\n", __func__, asoc,
+ *timeo_p, msg_len);
/* Increment the association's refcnt. */
sctp_association_hold(asoc);
@@ -6723,8 +6708,7 @@ static int sctp_wait_for_connect(struct sctp_association *asoc, long *timeo_p)
long current_timeo = *timeo_p;
DEFINE_WAIT(wait);
- SCTP_DEBUG_PRINTK("%s: asoc=%p, timeo=%ld\n", __func__, asoc,
- (long)(*timeo_p));
+ pr_debug("%s: asoc:%p, timeo:%ld\n", __func__, asoc, *timeo_p);
/* Increment the association's refcnt. */
sctp_association_hold(asoc);
@@ -6864,7 +6848,7 @@ void sctp_copy_sock(struct sock *newsk, struct sock *sk,
newsk->sk_reuse = sk->sk_reuse;
newsk->sk_shutdown = sk->sk_shutdown;
- newsk->sk_destruct = inet_sock_destruct;
+ newsk->sk_destruct = sctp_destruct_sock;
newsk->sk_family = sk->sk_family;
newsk->sk_protocol = IPPROTO_SCTP;
newsk->sk_backlog_rcv = sk->sk_prot->backlog_rcv;
diff --git a/net/sctp/ssnmap.c b/net/sctp/ssnmap.c
index da86035..6007124 100644
--- a/net/sctp/ssnmap.c
+++ b/net/sctp/ssnmap.c
@@ -24,16 +24,10 @@
*
* Please send any bug reports or fixes you make to the
* email address(es):
- * lksctp developers <lksctp-developers@lists.sourceforge.net>
- *
- * Or submit a bug report through the following website:
- * http://www.sf.net/projects/lksctp
+ * lksctp developers <linux-sctp@vger.kernel.org>
*
* Written or modified by:
* Jon Grimm <jgrimm@us.ibm.com>
- *
- * Any bugs reported given to us we will try to fix... any fixes shared will
- * be incorporated into the next SCTP release.
*/
#include <linux/types.h>
diff --git a/net/sctp/sysctl.c b/net/sctp/sysctl.c
index bf3c6e8..6b36561 100644
--- a/net/sctp/sysctl.c
+++ b/net/sctp/sysctl.c
@@ -25,10 +25,7 @@
*
* Please send any bug reports or fixes you make to the
* email address(es):
- * lksctp developers <lksctp-developers@lists.sourceforge.net>
- *
- * Or submit a bug report through the following website:
- * http://www.sf.net/projects/lksctp
+ * lksctp developers <linux-sctp@vger.kernel.org>
*
* Written or modified by:
* Mingqin Liu <liuming@us.ibm.com>
@@ -36,9 +33,6 @@
* Ardelle Fan <ardelle.fan@intel.com>
* Ryan Layer <rmlayer@us.ibm.com>
* Sridhar Samudrala <sri@us.ibm.com>
- *
- * Any bugs reported given to us we will try to fix... any fixes shared will
- * be incorporated into the next SCTP release.
*/
#include <net/sctp/structs.h>
@@ -62,12 +56,12 @@ extern long sysctl_sctp_mem[3];
extern int sysctl_sctp_rmem[3];
extern int sysctl_sctp_wmem[3];
-static int proc_sctp_do_hmac_alg(ctl_table *ctl,
+static int proc_sctp_do_hmac_alg(struct ctl_table *ctl,
int write,
void __user *buffer, size_t *lenp,
loff_t *ppos);
-static ctl_table sctp_table[] = {
+static struct ctl_table sctp_table[] = {
{
.procname = "sctp_mem",
.data = &sysctl_sctp_mem,
@@ -93,7 +87,7 @@ static ctl_table sctp_table[] = {
{ /* sentinel */ }
};
-static ctl_table sctp_net_table[] = {
+static struct ctl_table sctp_net_table[] = {
{
.procname = "rto_initial",
.data = &init_net.sctp.rto_initial,
@@ -300,14 +294,14 @@ static ctl_table sctp_net_table[] = {
{ /* sentinel */ }
};
-static int proc_sctp_do_hmac_alg(ctl_table *ctl,
+static int proc_sctp_do_hmac_alg(struct ctl_table *ctl,
int write,
void __user *buffer, size_t *lenp,
loff_t *ppos)
{
struct net *net = current->nsproxy->net_ns;
char tmp[8];
- ctl_table tbl;
+ struct ctl_table tbl;
int ret;
int changed = 0;
char *none = "none";
diff --git a/net/sctp/transport.c b/net/sctp/transport.c
index 098f1d5f..e332efb 100644
--- a/net/sctp/transport.c
+++ b/net/sctp/transport.c
@@ -30,10 +30,7 @@
*
* Please send any bug reports or fixes you make to the
* email address(es):
- * lksctp developers <lksctp-developers@lists.sourceforge.net>
- *
- * Or submit a bug report through the following website:
- * http://www.sf.net/projects/lksctp
+ * lksctp developers <linux-sctp@vger.kernel.org>
*
* Written or modified by:
* La Monte H.P. Yarroll <piggy@acm.org>
@@ -43,9 +40,6 @@
* Hui Huang <hui.huang@nokia.com>
* Sridhar Samudrala <sri@us.ibm.com>
* Ardelle Fan <ardelle.fan@intel.com>
- *
- * Any bugs reported given to us we will try to fix... any fixes shared will
- * be incorporated into the next SCTP release.
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
@@ -116,7 +110,7 @@ struct sctp_transport *sctp_transport_new(struct net *net,
{
struct sctp_transport *transport;
- transport = t_new(struct sctp_transport, gfp);
+ transport = kzalloc(sizeof(*transport), gfp);
if (!transport)
goto fail;
@@ -176,14 +170,17 @@ static void sctp_transport_destroy_rcu(struct rcu_head *head)
*/
static void sctp_transport_destroy(struct sctp_transport *transport)
{
- SCTP_ASSERT(transport->dead, "Transport is not dead", return);
-
- call_rcu(&transport->rcu, sctp_transport_destroy_rcu);
+ if (unlikely(!transport->dead)) {
+ WARN(1, "Attempt to destroy undead transport %p!\n", transport);
+ return;
+ }
sctp_packet_free(&transport->packet);
if (transport->asoc)
sctp_association_put(transport->asoc);
+
+ call_rcu(&transport->rcu, sctp_transport_destroy_rcu);
}
/* Start T3_rtx timer if it is not already running and update the heartbeat
@@ -317,11 +314,9 @@ void sctp_transport_put(struct sctp_transport *transport)
/* Update transport's RTO based on the newly calculated RTT. */
void sctp_transport_update_rto(struct sctp_transport *tp, __u32 rtt)
{
- /* Check for valid transport. */
- SCTP_ASSERT(tp, "NULL transport", return);
-
- /* We should not be doing any RTO updates unless rto_pending is set. */
- SCTP_ASSERT(tp->rto_pending, "rto_pending not set", return);
+ if (unlikely(!tp->rto_pending))
+ /* We should not be doing any RTO updates unless rto_pending is set. */
+ pr_debug("%s: rto_pending not set on transport %p!\n", __func__, tp);
if (tp->rttvar || tp->srtt) {
struct net *net = sock_net(tp->asoc->base.sk);
@@ -377,9 +372,8 @@ void sctp_transport_update_rto(struct sctp_transport *tp, __u32 rtt)
*/
tp->rto_pending = 0;
- SCTP_DEBUG_PRINTK("%s: transport: %p, rtt: %d, srtt: %d "
- "rttvar: %d, rto: %ld\n", __func__,
- tp, rtt, tp->srtt, tp->rttvar, tp->rto);
+ pr_debug("%s: transport:%p, rtt:%d, srtt:%d rttvar:%d, rto:%ld\n",
+ __func__, tp, rtt, tp->srtt, tp->rttvar, tp->rto);
}
/* This routine updates the transport's cwnd and partial_bytes_acked
@@ -433,12 +427,11 @@ void sctp_transport_raise_cwnd(struct sctp_transport *transport,
cwnd += pmtu;
else
cwnd += bytes_acked;
- SCTP_DEBUG_PRINTK("%s: SLOW START: transport: %p, "
- "bytes_acked: %d, cwnd: %d, ssthresh: %d, "
- "flight_size: %d, pba: %d\n",
- __func__,
- transport, bytes_acked, cwnd,
- ssthresh, flight_size, pba);
+
+ pr_debug("%s: slow start: transport:%p, bytes_acked:%d, "
+ "cwnd:%d, ssthresh:%d, flight_size:%d, pba:%d\n",
+ __func__, transport, bytes_acked, cwnd, ssthresh,
+ flight_size, pba);
} else {
/* RFC 2960 7.2.2 Whenever cwnd is greater than ssthresh,
* upon each SACK arrival that advances the Cumulative TSN Ack
@@ -459,12 +452,12 @@ void sctp_transport_raise_cwnd(struct sctp_transport *transport,
cwnd += pmtu;
pba = ((cwnd < pba) ? (pba - cwnd) : 0);
}
- SCTP_DEBUG_PRINTK("%s: CONGESTION AVOIDANCE: "
- "transport: %p, bytes_acked: %d, cwnd: %d, "
- "ssthresh: %d, flight_size: %d, pba: %d\n",
- __func__,
- transport, bytes_acked, cwnd,
- ssthresh, flight_size, pba);
+
+ pr_debug("%s: congestion avoidance: transport:%p, "
+ "bytes_acked:%d, cwnd:%d, ssthresh:%d, "
+ "flight_size:%d, pba:%d\n", __func__,
+ transport, bytes_acked, cwnd, ssthresh,
+ flight_size, pba);
}
transport->cwnd = cwnd;
@@ -558,10 +551,10 @@ void sctp_transport_lower_cwnd(struct sctp_transport *transport,
}
transport->partial_bytes_acked = 0;
- SCTP_DEBUG_PRINTK("%s: transport: %p reason: %d cwnd: "
- "%d ssthresh: %d\n", __func__,
- transport, reason,
- transport->cwnd, transport->ssthresh);
+
+ pr_debug("%s: transport:%p, reason:%d, cwnd:%d, ssthresh:%d\n",
+ __func__, transport, reason, transport->cwnd,
+ transport->ssthresh);
}
/* Apply Max.Burst limit to the congestion window:
diff --git a/net/sctp/tsnmap.c b/net/sctp/tsnmap.c
index 396c451..fbda200 100644
--- a/net/sctp/tsnmap.c
+++ b/net/sctp/tsnmap.c
@@ -27,19 +27,13 @@
*
* Please send any bug reports or fixes you make to the
* email address(es):
- * lksctp developers <lksctp-developers@lists.sourceforge.net>
- *
- * Or submit a bug report through the following website:
- * http://www.sf.net/projects/lksctp
+ * lksctp developers <linux-sctp@vger.kernel.org>
*
* Written or modified by:
* La Monte H.P. Yarroll <piggy@acm.org>
* Jon Grimm <jgrimm@us.ibm.com>
* Karl Knutson <karl@athena.chicago.il.us>
* Sridhar Samudrala <sri@us.ibm.com>
- *
- * Any bugs reported given to us we will try to fix... any fixes shared will
- * be incorporated into the next SCTP release.
*/
#include <linux/slab.h>
@@ -161,8 +155,8 @@ int sctp_tsnmap_mark(struct sctp_tsnmap *map, __u32 tsn,
/* Initialize a Gap Ack Block iterator from memory being provided. */
-SCTP_STATIC void sctp_tsnmap_iter_init(const struct sctp_tsnmap *map,
- struct sctp_tsnmap_iter *iter)
+static void sctp_tsnmap_iter_init(const struct sctp_tsnmap *map,
+ struct sctp_tsnmap_iter *iter)
{
/* Only start looking one past the Cumulative TSN Ack Point. */
iter->start = map->cumulative_tsn_ack_point + 1;
@@ -171,9 +165,9 @@ SCTP_STATIC void sctp_tsnmap_iter_init(const struct sctp_tsnmap *map,
/* Get the next Gap Ack Blocks. Returns 0 if there was not another block
* to get.
*/
-SCTP_STATIC int sctp_tsnmap_next_gap_ack(const struct sctp_tsnmap *map,
- struct sctp_tsnmap_iter *iter,
- __u16 *start, __u16 *end)
+static int sctp_tsnmap_next_gap_ack(const struct sctp_tsnmap *map,
+ struct sctp_tsnmap_iter *iter,
+ __u16 *start, __u16 *end)
{
int ended = 0;
__u16 start_ = 0, end_ = 0, offset;
diff --git a/net/sctp/ulpevent.c b/net/sctp/ulpevent.c
index 10c018a..81089ed 100644
--- a/net/sctp/ulpevent.c
+++ b/net/sctp/ulpevent.c
@@ -28,19 +28,13 @@
*
* Please send any bug reports or fixes you make to the
* email address(es):
- * lksctp developers <lksctp-developers@lists.sourceforge.net>
- *
- * Or submit a bug report through the following website:
- * http://www.sf.net/projects/lksctp
+ * lksctp developers <linux-sctp@vger.kernel.org>
*
* Written or modified by:
* Jon Grimm <jgrimm@us.ibm.com>
* La Monte H.P. Yarroll <piggy@acm.org>
* Ardelle Fan <ardelle.fan@intel.com>
* Sridhar Samudrala <sri@us.ibm.com>
- *
- * Any bugs reported given to us we will try to fix... any fixes shared will
- * be incorporated into the next SCTP release.
*/
#include <linux/slab.h>
@@ -57,9 +51,9 @@ static void sctp_ulpevent_release_frag_data(struct sctp_ulpevent *event);
/* Initialize an ULP event from an given skb. */
-SCTP_STATIC void sctp_ulpevent_init(struct sctp_ulpevent *event,
- int msg_flags,
- unsigned int len)
+static void sctp_ulpevent_init(struct sctp_ulpevent *event,
+ int msg_flags,
+ unsigned int len)
{
memset(event, 0, sizeof(struct sctp_ulpevent));
event->msg_flags = msg_flags;
@@ -67,8 +61,8 @@ SCTP_STATIC void sctp_ulpevent_init(struct sctp_ulpevent *event,
}
/* Create a new sctp_ulpevent. */
-SCTP_STATIC struct sctp_ulpevent *sctp_ulpevent_new(int size, int msg_flags,
- gfp_t gfp)
+static struct sctp_ulpevent *sctp_ulpevent_new(int size, int msg_flags,
+ gfp_t gfp)
{
struct sctp_ulpevent *event;
struct sk_buff *skb;
diff --git a/net/sctp/ulpqueue.c b/net/sctp/ulpqueue.c
index 04e3d47..1c1484e 100644
--- a/net/sctp/ulpqueue.c
+++ b/net/sctp/ulpqueue.c
@@ -27,18 +27,12 @@
*
* Please send any bug reports or fixes you make to the
* email address(es):
- * lksctp developers <lksctp-developers@lists.sourceforge.net>
- *
- * Or submit a bug report through the following website:
- * http://www.sf.net/projects/lksctp
+ * lksctp developers <linux-sctp@vger.kernel.org>
*
* Written or modified by:
* Jon Grimm <jgrimm@us.ibm.com>
* La Monte H.P. Yarroll <piggy@acm.org>
* Sridhar Samudrala <sri@us.ibm.com>
- *
- * Any bugs reported given to us we will try to fix... any fixes shared will
- * be incorporated into the next SCTP release.
*/
#include <linux/slab.h>