lkml.org 
[lkml]   [2012]   [Aug]   [7]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Date
Subject[PATCH net-next 5/7] sctp: Push struct net down into all of the state machine functions

There are a handle of state machine functions primarily those dealing
with processing INIT packets where there is neither a valid endpoint nor
a valid assoication from which to derive a struct net. Therefore add
struct net * to the parameter list of sctp_state_fn_t and update all of
the state machine functions.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
---
include/net/sctp/sm.h | 3 +-
net/sctp/sm_sideeffect.c | 2 +-
net/sctp/sm_statefuns.c | 619 +++++++++++++++++++++++++---------------------
3 files changed, 341 insertions(+), 283 deletions(-)
diff --git a/include/net/sctp/sm.h b/include/net/sctp/sm.h
index bcef130..b5887e1 100644
--- a/include/net/sctp/sm.h
+++ b/include/net/sctp/sm.h
@@ -77,7 +77,8 @@ typedef struct {
int action;
} sctp_sm_command_t;

-typedef sctp_disposition_t (sctp_state_fn_t) (const struct sctp_endpoint *,
+typedef sctp_disposition_t (sctp_state_fn_t) (struct net *,
+ const struct sctp_endpoint *,
const struct sctp_association *,
const sctp_subtype_t type,
void *arg,
diff --git a/net/sctp/sm_sideeffect.c b/net/sctp/sm_sideeffect.c
index 02c4c1c..bcfebb9 100644
--- a/net/sctp/sm_sideeffect.c
+++ b/net/sctp/sm_sideeffect.c
@@ -1123,7 +1123,7 @@ int sctp_do_sm(struct net *net, sctp_event_t event_type, sctp_subtype_t subtype,
sctp_init_cmd_seq(&commands);

DEBUG_PRE;
- status = (*state_fn->fn)(ep, asoc, subtype, event_arg, &commands);
+ status = (*state_fn->fn)(net, ep, asoc, subtype, event_arg, &commands);
DEBUG_POST;

error = sctp_side_effects(event_type, subtype, state,
diff --git a/net/sctp/sm_statefuns.c b/net/sctp/sm_statefuns.c
index ff2530c..3e5ca61 100644
--- a/net/sctp/sm_statefuns.c
+++ b/net/sctp/sm_statefuns.c
@@ -66,7 +66,8 @@
#include <net/sctp/sm.h>
#include <net/sctp/structs.h>

-static struct sctp_packet *sctp_abort_pkt_new(const struct sctp_endpoint *ep,
+static struct sctp_packet *sctp_abort_pkt_new(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
struct sctp_chunk *chunk,
const void *payload,
@@ -77,34 +78,40 @@ static int sctp_eat_data(const struct sctp_association *asoc,
static struct sctp_packet *sctp_ootb_pkt_new(struct net *net,
const struct sctp_association *asoc,
const struct sctp_chunk *chunk);
-static void sctp_send_stale_cookie_err(const struct sctp_endpoint *ep,
+static void sctp_send_stale_cookie_err(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const struct sctp_chunk *chunk,
sctp_cmd_seq_t *commands,
struct sctp_chunk *err_chunk);
-static sctp_disposition_t sctp_sf_do_5_2_6_stale(const struct sctp_endpoint *ep,
+static sctp_disposition_t sctp_sf_do_5_2_6_stale(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
sctp_cmd_seq_t *commands);
-static sctp_disposition_t sctp_sf_shut_8_4_5(const struct sctp_endpoint *ep,
+static sctp_disposition_t sctp_sf_shut_8_4_5(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
sctp_cmd_seq_t *commands);
-static sctp_disposition_t sctp_sf_tabort_8_4_8(const struct sctp_endpoint *ep,
+static sctp_disposition_t sctp_sf_tabort_8_4_8(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
sctp_cmd_seq_t *commands);
static struct sctp_sackhdr *sctp_sm_pull_sack(struct sctp_chunk *chunk);

-static sctp_disposition_t sctp_stop_t1_and_abort(sctp_cmd_seq_t *commands,
+static sctp_disposition_t sctp_stop_t1_and_abort(struct net *net,
+ sctp_cmd_seq_t *commands,
__be16 error, int sk_err,
const struct sctp_association *asoc,
struct sctp_transport *transport);

static sctp_disposition_t sctp_sf_abort_violation(
+ struct net *net,
const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
void *arg,
@@ -113,6 +120,7 @@ static sctp_disposition_t sctp_sf_abort_violation(
const size_t paylen);

static sctp_disposition_t sctp_sf_violation_chunklen(
+ struct net *net,
const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
@@ -120,6 +128,7 @@ static sctp_disposition_t sctp_sf_violation_chunklen(
sctp_cmd_seq_t *commands);

static sctp_disposition_t sctp_sf_violation_paramlen(
+ struct net *net,
const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
@@ -127,6 +136,7 @@ static sctp_disposition_t sctp_sf_violation_paramlen(
sctp_cmd_seq_t *commands);

static sctp_disposition_t sctp_sf_violation_ctsn(
+ struct net *net,
const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
@@ -134,18 +144,21 @@ static sctp_disposition_t sctp_sf_violation_ctsn(
sctp_cmd_seq_t *commands);

static sctp_disposition_t sctp_sf_violation_chunk(
+ struct net *net,
const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
sctp_cmd_seq_t *commands);

-static sctp_ierror_t sctp_sf_authenticate(const struct sctp_endpoint *ep,
+static sctp_ierror_t sctp_sf_authenticate(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
struct sctp_chunk *chunk);

-static sctp_disposition_t __sctp_sf_do_9_1_abort(const struct sctp_endpoint *ep,
+static sctp_disposition_t __sctp_sf_do_9_1_abort(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
@@ -205,7 +218,8 @@ sctp_chunk_length_valid(struct sctp_chunk *chunk,
*
* The return value is the disposition of the chunk.
*/
-sctp_disposition_t sctp_sf_do_4_C(const struct sctp_endpoint *ep,
+sctp_disposition_t sctp_sf_do_4_C(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
@@ -213,10 +227,9 @@ sctp_disposition_t sctp_sf_do_4_C(const struct sctp_endpoint *ep,
{
struct sctp_chunk *chunk = arg;
struct sctp_ulpevent *ev;
- struct net *net;

if (!sctp_vtag_verify_either(chunk, asoc))
- return sctp_sf_pdiscard(ep, asoc, type, arg, commands);
+ return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);

/* RFC 2960 6.10 Bundling
*
@@ -224,11 +237,11 @@ sctp_disposition_t sctp_sf_do_4_C(const struct sctp_endpoint *ep,
* SHUTDOWN COMPLETE with any other chunks.
*/
if (!chunk->singleton)
- return sctp_sf_violation_chunk(ep, asoc, type, arg, commands);
+ return sctp_sf_violation_chunk(net, ep, asoc, type, arg, commands);

/* Make sure that the SHUTDOWN_COMPLETE chunk has a valid length. */
if (!sctp_chunk_length_valid(chunk, sizeof(sctp_chunkhdr_t)))
- return sctp_sf_violation_chunklen(ep, asoc, type, arg,
+ return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,
commands);

/* RFC 2960 10.2 SCTP-to-ULP
@@ -261,7 +274,6 @@ sctp_disposition_t sctp_sf_do_4_C(const struct sctp_endpoint *ep,
sctp_add_cmd_sf(commands, SCTP_CMD_NEW_STATE,
SCTP_STATE(SCTP_STATE_CLOSED));

- net = sock_net(asoc->base.sk);
SCTP_INC_STATS(net, SCTP_MIB_SHUTDOWNS);
SCTP_DEC_STATS(net, SCTP_MIB_CURRESTAB);

@@ -292,7 +304,8 @@ sctp_disposition_t sctp_sf_do_4_C(const struct sctp_endpoint *ep,
*
* The return value is the disposition of the chunk.
*/
-sctp_disposition_t sctp_sf_do_5_1B_init(const struct sctp_endpoint *ep,
+sctp_disposition_t sctp_sf_do_5_1B_init(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
@@ -304,7 +317,6 @@ sctp_disposition_t sctp_sf_do_5_1B_init(const struct sctp_endpoint *ep,
struct sctp_chunk *err_chunk;
struct sctp_packet *packet;
sctp_unrecognized_param_t *unk_param;
- struct net *net;
int len;

/* 6.10 Bundling
@@ -317,22 +329,21 @@ sctp_disposition_t sctp_sf_do_5_1B_init(const struct sctp_endpoint *ep,
* with an INIT chunk that is bundled with other chunks.
*/
if (!chunk->singleton)
- return sctp_sf_pdiscard(ep, asoc, type, arg, commands);
+ return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);

/* If the packet is an OOTB packet which is temporarily on the
* control endpoint, respond with an ABORT.
*/
- net = sock_net(ep->base.sk);
if (ep == sctp_sk(net->sctp.ctl_sock)->ep) {
SCTP_INC_STATS(net, SCTP_MIB_OUTOFBLUES);
- return sctp_sf_tabort_8_4_8(ep, asoc, type, arg, commands);
+ return sctp_sf_tabort_8_4_8(net, ep, asoc, type, arg, commands);
}

/* 3.1 A packet containing an INIT chunk MUST have a zero Verification
* Tag.
*/
if (chunk->sctp_hdr->vtag != 0)
- return sctp_sf_tabort_8_4_8(ep, asoc, type, arg, commands);
+ return sctp_sf_tabort_8_4_8(net, ep, asoc, type, arg, commands);

/* Make sure that the INIT chunk has a valid length.
* Normally, this would cause an ABORT with a Protocol Violation
@@ -340,7 +351,7 @@ sctp_disposition_t sctp_sf_do_5_1B_init(const struct sctp_endpoint *ep,
* just discard the packet.
*/
if (!sctp_chunk_length_valid(chunk, sizeof(sctp_init_chunk_t)))
- return sctp_sf_pdiscard(ep, asoc, type, arg, commands);
+ return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);

/* If the INIT is coming toward a closing socket, we'll send back
* and ABORT. Essentially, this catches the race of INIT being
@@ -349,7 +360,7 @@ sctp_disposition_t sctp_sf_do_5_1B_init(const struct sctp_endpoint *ep,
* can treat this OOTB
*/
if (sctp_sstate(ep->base.sk, CLOSING))
- return sctp_sf_tabort_8_4_8(ep, asoc, type, arg, commands);
+ return sctp_sf_tabort_8_4_8(net, ep, asoc, type, arg, commands);

/* Verify the INIT chunk before processing it. */
err_chunk = NULL;
@@ -360,7 +371,7 @@ sctp_disposition_t sctp_sf_do_5_1B_init(const struct sctp_endpoint *ep,
* Send an ABORT, with causes if there is any.
*/
if (err_chunk) {
- packet = sctp_abort_pkt_new(ep, asoc, arg,
+ packet = sctp_abort_pkt_new(net, ep, asoc, arg,
(__u8 *)(err_chunk->chunk_hdr) +
sizeof(sctp_chunkhdr_t),
ntohs(err_chunk->chunk_hdr->length) -
@@ -377,7 +388,7 @@ sctp_disposition_t sctp_sf_do_5_1B_init(const struct sctp_endpoint *ep,
return SCTP_DISPOSITION_NOMEM;
}
} else {
- return sctp_sf_tabort_8_4_8(ep, asoc, type, arg,
+ return sctp_sf_tabort_8_4_8(net, ep, asoc, type, arg,
commands);
}
}
@@ -489,7 +500,8 @@ nomem:
*
* The return value is the disposition of the chunk.
*/
-sctp_disposition_t sctp_sf_do_5_1C_ack(const struct sctp_endpoint *ep,
+sctp_disposition_t sctp_sf_do_5_1C_ack(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
@@ -501,18 +513,18 @@ sctp_disposition_t sctp_sf_do_5_1C_ack(const struct sctp_endpoint *ep,
struct sctp_packet *packet;

if (!sctp_vtag_verify(chunk, asoc))
- return sctp_sf_pdiscard(ep, asoc, type, arg, commands);
+ return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);

/* 6.10 Bundling
* An endpoint MUST NOT bundle INIT, INIT ACK or
* SHUTDOWN COMPLETE with any other chunks.
*/
if (!chunk->singleton)
- return sctp_sf_violation_chunk(ep, asoc, type, arg, commands);
+ return sctp_sf_violation_chunk(net, ep, asoc, type, arg, commands);

/* Make sure that the INIT-ACK chunk has a valid length */
if (!sctp_chunk_length_valid(chunk, sizeof(sctp_initack_chunk_t)))
- return sctp_sf_violation_chunklen(ep, asoc, type, arg,
+ return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,
commands);
/* Grab the INIT header. */
chunk->subh.init_hdr = (sctp_inithdr_t *) chunk->skb->data;
@@ -531,7 +543,7 @@ sctp_disposition_t sctp_sf_do_5_1C_ack(const struct sctp_endpoint *ep,
* the association.
*/
if (err_chunk) {
- packet = sctp_abort_pkt_new(ep, asoc, arg,
+ packet = sctp_abort_pkt_new(net, ep, asoc, arg,
(__u8 *)(err_chunk->chunk_hdr) +
sizeof(sctp_chunkhdr_t),
ntohs(err_chunk->chunk_hdr->length) -
@@ -542,7 +554,7 @@ sctp_disposition_t sctp_sf_do_5_1C_ack(const struct sctp_endpoint *ep,
if (packet) {
sctp_add_cmd_sf(commands, SCTP_CMD_SEND_PKT,
SCTP_PACKET(packet));
- SCTP_INC_STATS(sock_net(ep->base.sk), SCTP_MIB_OUTCTRLCHUNKS);
+ SCTP_INC_STATS(net, SCTP_MIB_OUTCTRLCHUNKS);
error = SCTP_ERROR_INV_PARAM;
}
}
@@ -559,10 +571,10 @@ sctp_disposition_t sctp_sf_do_5_1C_ack(const struct sctp_endpoint *ep,
* was malformed.
*/
if (sctp_auth_recv_cid(SCTP_CID_ABORT, asoc))
- return sctp_sf_pdiscard(ep, asoc, type, arg, commands);
+ return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);

- SCTP_INC_STATS(sock_net(ep->base.sk), SCTP_MIB_ABORTEDS);
- return sctp_stop_t1_and_abort(commands, error, ECONNREFUSED,
+ SCTP_INC_STATS(net, SCTP_MIB_ABORTEDS);
+ return sctp_stop_t1_and_abort(net, commands, error, ECONNREFUSED,
asoc, chunk->transport);
}

@@ -638,7 +650,8 @@ sctp_disposition_t sctp_sf_do_5_1C_ack(const struct sctp_endpoint *ep,
*
* The return value is the disposition of the chunk.
*/
-sctp_disposition_t sctp_sf_do_5_1D_ce(const struct sctp_endpoint *ep,
+sctp_disposition_t sctp_sf_do_5_1D_ce(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type, void *arg,
sctp_cmd_seq_t *commands)
@@ -651,15 +664,13 @@ sctp_disposition_t sctp_sf_do_5_1D_ce(const struct sctp_endpoint *ep,
int error = 0;
struct sctp_chunk *err_chk_p;
struct sock *sk;
- struct net *net;

/* If the packet is an OOTB packet which is temporarily on the
* control endpoint, respond with an ABORT.
*/
- net = sock_net(ep->base.sk);
if (ep == sctp_sk(net->sctp.ctl_sock)->ep) {
SCTP_INC_STATS(net, SCTP_MIB_OUTOFBLUES);
- return sctp_sf_tabort_8_4_8(ep, asoc, type, arg, commands);
+ return sctp_sf_tabort_8_4_8(net, ep, asoc, type, arg, commands);
}

/* Make sure that the COOKIE_ECHO chunk has a valid length.
@@ -668,7 +679,7 @@ sctp_disposition_t sctp_sf_do_5_1D_ce(const struct sctp_endpoint *ep,
* in sctp_unpack_cookie().
*/
if (!sctp_chunk_length_valid(chunk, sizeof(sctp_chunkhdr_t)))
- return sctp_sf_pdiscard(ep, asoc, type, arg, commands);
+ return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);

/* If the endpoint is not listening or if the number of associations
* on the TCP-style socket exceed the max backlog, respond with an
@@ -677,7 +688,7 @@ sctp_disposition_t sctp_sf_do_5_1D_ce(const struct sctp_endpoint *ep,
sk = ep->base.sk;
if (!sctp_sstate(sk, LISTENING) ||
(sctp_style(sk, TCP) && sk_acceptq_is_full(sk)))
- return sctp_sf_tabort_8_4_8(ep, asoc, type, arg, commands);
+ return sctp_sf_tabort_8_4_8(net, ep, asoc, type, arg, commands);

/* "Decode" the chunk. We have no optional parameters so we
* are in good shape.
@@ -710,13 +721,13 @@ sctp_disposition_t sctp_sf_do_5_1D_ce(const struct sctp_endpoint *ep,
goto nomem;

case -SCTP_IERROR_STALE_COOKIE:
- sctp_send_stale_cookie_err(ep, asoc, chunk, commands,
+ sctp_send_stale_cookie_err(net, ep, asoc, chunk, commands,
err_chk_p);
- return sctp_sf_pdiscard(ep, asoc, type, arg, commands);
+ return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);

case -SCTP_IERROR_BAD_SIG:
default:
- return sctp_sf_pdiscard(ep, asoc, type, arg, commands);
+ return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);
}
}

@@ -763,14 +774,14 @@ sctp_disposition_t sctp_sf_do_5_1D_ce(const struct sctp_endpoint *ep,
skb_pull(chunk->auth_chunk, sizeof(sctp_chunkhdr_t));
auth.transport = chunk->transport;

- ret = sctp_sf_authenticate(ep, new_asoc, type, &auth);
+ ret = sctp_sf_authenticate(net, ep, new_asoc, type, &auth);

/* We can now safely free the auth_chunk clone */
kfree_skb(chunk->auth_chunk);

if (ret != SCTP_IERROR_NO_ERROR) {
sctp_association_free(new_asoc);
- return sctp_sf_pdiscard(ep, asoc, type, arg, commands);
+ return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);
}
}

@@ -863,23 +874,23 @@ nomem:
*
* The return value is the disposition of the chunk.
*/
-sctp_disposition_t sctp_sf_do_5_1E_ca(const struct sctp_endpoint *ep,
+sctp_disposition_t sctp_sf_do_5_1E_ca(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type, void *arg,
sctp_cmd_seq_t *commands)
{
struct sctp_chunk *chunk = arg;
struct sctp_ulpevent *ev;
- struct net *net;

if (!sctp_vtag_verify(chunk, asoc))
- return sctp_sf_pdiscard(ep, asoc, type, arg, commands);
+ return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);

/* Verify that the chunk length for the COOKIE-ACK is OK.
* If we don't do this, any bundled chunks may be junked.
*/
if (!sctp_chunk_length_valid(chunk, sizeof(sctp_chunkhdr_t)))
- return sctp_sf_violation_chunklen(ep, asoc, type, arg,
+ return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,
commands);

/* Reset init error count upon receipt of COOKIE-ACK,
@@ -900,7 +911,6 @@ sctp_disposition_t sctp_sf_do_5_1E_ca(const struct sctp_endpoint *ep,
SCTP_TO(SCTP_EVENT_TIMEOUT_T1_COOKIE));
sctp_add_cmd_sf(commands, SCTP_CMD_NEW_STATE,
SCTP_STATE(SCTP_STATE_ESTABLISHED));
- net = sock_net(ep->base.sk);
SCTP_INC_STATS(net, SCTP_MIB_CURRESTAB);
SCTP_INC_STATS(net, SCTP_MIB_ACTIVEESTABS);
sctp_add_cmd_sf(commands, SCTP_CMD_HB_TIMERS_START, SCTP_NULL());
@@ -967,7 +977,8 @@ static sctp_disposition_t sctp_sf_heartbeat(const struct sctp_endpoint *ep,
}

/* Generate a HEARTBEAT packet on the given transport. */
-sctp_disposition_t sctp_sf_sendbeat_8_3(const struct sctp_endpoint *ep,
+sctp_disposition_t sctp_sf_sendbeat_8_3(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
@@ -976,13 +987,11 @@ sctp_disposition_t sctp_sf_sendbeat_8_3(const struct sctp_endpoint *ep,
struct sctp_transport *transport = (struct sctp_transport *) arg;

if (asoc->overall_error_count >= asoc->max_retrans) {
- struct net *net;
sctp_add_cmd_sf(commands, SCTP_CMD_SET_SK_ERR,
SCTP_ERROR(ETIMEDOUT));
/* CMD_ASSOC_FAILED calls CMD_DELETE_TCB. */
sctp_add_cmd_sf(commands, SCTP_CMD_ASSOC_FAILED,
SCTP_PERR(SCTP_ERROR_NO_ERROR));
- net = sock_net(ep->base.sk);
SCTP_INC_STATS(net, SCTP_MIB_ABORTEDS);
SCTP_DEC_STATS(net, SCTP_MIB_CURRESTAB);
return SCTP_DISPOSITION_DELETE_TCB;
@@ -1039,7 +1048,8 @@ sctp_disposition_t sctp_sf_sendbeat_8_3(const struct sctp_endpoint *ep,
*
* The return value is the disposition of the chunk.
*/
-sctp_disposition_t sctp_sf_beat_8_3(const struct sctp_endpoint *ep,
+sctp_disposition_t sctp_sf_beat_8_3(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
@@ -1050,11 +1060,11 @@ sctp_disposition_t sctp_sf_beat_8_3(const struct sctp_endpoint *ep,
size_t paylen = 0;

if (!sctp_vtag_verify(chunk, asoc))
- return sctp_sf_pdiscard(ep, asoc, type, arg, commands);
+ return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);

/* Make sure that the HEARTBEAT chunk has a valid length. */
if (!sctp_chunk_length_valid(chunk, sizeof(sctp_heartbeat_chunk_t)))
- return sctp_sf_violation_chunklen(ep, asoc, type, arg,
+ return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,
commands);

/* 8.3 The receiver of the HEARTBEAT should immediately
@@ -1106,7 +1116,8 @@ nomem:
*
* The return value is the disposition of the chunk.
*/
-sctp_disposition_t sctp_sf_backbeat_8_3(const struct sctp_endpoint *ep,
+sctp_disposition_t sctp_sf_backbeat_8_3(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
@@ -1119,12 +1130,12 @@ sctp_disposition_t sctp_sf_backbeat_8_3(const struct sctp_endpoint *ep,
unsigned long max_interval;

if (!sctp_vtag_verify(chunk, asoc))
- return sctp_sf_pdiscard(ep, asoc, type, arg, commands);
+ return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);

/* Make sure that the HEARTBEAT-ACK chunk has a valid length. */
if (!sctp_chunk_length_valid(chunk, sizeof(sctp_chunkhdr_t) +
sizeof(sctp_sender_hb_info_t)))
- return sctp_sf_violation_chunklen(ep, asoc, type, arg,
+ return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,
commands);

hbinfo = (sctp_sender_hb_info_t *) chunk->skb->data;
@@ -1213,7 +1224,7 @@ static int sctp_sf_send_restart_abort(struct net *net, union sctp_addr *ssa,
/* Association is NULL since this may be a restart attack and we
* want to send back the attacker's vtag.
*/
- pkt = sctp_abort_pkt_new(ep, NULL, init, errhdr, len);
+ pkt = sctp_abort_pkt_new(net, ep, NULL, init, errhdr, len);

if (!pkt)
goto out;
@@ -1370,6 +1381,7 @@ static char sctp_tietags_compare(struct sctp_association *new_asoc,
* chunk handling.
*/
static sctp_disposition_t sctp_sf_do_unexpected_init(
+ struct net *net,
const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
@@ -1394,20 +1406,20 @@ static sctp_disposition_t sctp_sf_do_unexpected_init(
* with an INIT chunk that is bundled with other chunks.
*/
if (!chunk->singleton)
- return sctp_sf_pdiscard(ep, asoc, type, arg, commands);
+ return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);

/* 3.1 A packet containing an INIT chunk MUST have a zero Verification
* Tag.
*/
if (chunk->sctp_hdr->vtag != 0)
- return sctp_sf_tabort_8_4_8(ep, asoc, type, arg, commands);
+ return sctp_sf_tabort_8_4_8(net, ep, asoc, type, arg, commands);

/* Make sure that the INIT chunk has a valid length.
* In this case, we generate a protocol violation since we have
* an association established.
*/
if (!sctp_chunk_length_valid(chunk, sizeof(sctp_init_chunk_t)))
- return sctp_sf_violation_chunklen(ep, asoc, type, arg,
+ return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,
commands);
/* Grab the INIT header. */
chunk->subh.init_hdr = (sctp_inithdr_t *) chunk->skb->data;
@@ -1424,7 +1436,7 @@ static sctp_disposition_t sctp_sf_do_unexpected_init(
* Send an ABORT, with causes if there is any.
*/
if (err_chunk) {
- packet = sctp_abort_pkt_new(ep, asoc, arg,
+ packet = sctp_abort_pkt_new(net, ep, asoc, arg,
(__u8 *)(err_chunk->chunk_hdr) +
sizeof(sctp_chunkhdr_t),
ntohs(err_chunk->chunk_hdr->length) -
@@ -1433,14 +1445,14 @@ static sctp_disposition_t sctp_sf_do_unexpected_init(
if (packet) {
sctp_add_cmd_sf(commands, SCTP_CMD_SEND_PKT,
SCTP_PACKET(packet));
- SCTP_INC_STATS(sock_net(ep->base.sk), SCTP_MIB_OUTCTRLCHUNKS);
+ SCTP_INC_STATS(net, SCTP_MIB_OUTCTRLCHUNKS);
retval = SCTP_DISPOSITION_CONSUME;
} else {
retval = SCTP_DISPOSITION_NOMEM;
}
goto cleanup;
} else {
- return sctp_sf_tabort_8_4_8(ep, asoc, type, arg,
+ return sctp_sf_tabort_8_4_8(net, ep, asoc, type, arg,
commands);
}
}
@@ -1582,7 +1594,8 @@ cleanup:
*
* The return value is the disposition of the chunk.
*/
-sctp_disposition_t sctp_sf_do_5_2_1_siminit(const struct sctp_endpoint *ep,
+sctp_disposition_t sctp_sf_do_5_2_1_siminit(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
@@ -1591,7 +1604,7 @@ sctp_disposition_t sctp_sf_do_5_2_1_siminit(const struct sctp_endpoint *ep,
/* Call helper to do the real work for both simulataneous and
* duplicate INIT chunk handling.
*/
- return sctp_sf_do_unexpected_init(ep, asoc, type, arg, commands);
+ return sctp_sf_do_unexpected_init(net, ep, asoc, type, arg, commands);
}

/*
@@ -1635,7 +1648,8 @@ sctp_disposition_t sctp_sf_do_5_2_1_siminit(const struct sctp_endpoint *ep,
*
* The return value is the disposition of the chunk.
*/
-sctp_disposition_t sctp_sf_do_5_2_2_dupinit(const struct sctp_endpoint *ep,
+sctp_disposition_t sctp_sf_do_5_2_2_dupinit(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
@@ -1644,7 +1658,7 @@ sctp_disposition_t sctp_sf_do_5_2_2_dupinit(const struct sctp_endpoint *ep,
/* Call helper to do the real work for both simulataneous and
* duplicate INIT chunk handling.
*/
- return sctp_sf_do_unexpected_init(ep, asoc, type, arg, commands);
+ return sctp_sf_do_unexpected_init(net, ep, asoc, type, arg, commands);
}


@@ -1657,19 +1671,19 @@ sctp_disposition_t sctp_sf_do_5_2_2_dupinit(const struct sctp_endpoint *ep,
* An unexpected INIT ACK usually indicates the processing of an old or
* duplicated INIT chunk.
*/
-sctp_disposition_t sctp_sf_do_5_2_3_initack(const struct sctp_endpoint *ep,
+sctp_disposition_t sctp_sf_do_5_2_3_initack(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg, sctp_cmd_seq_t *commands)
{
- struct net *net = sock_net(ep->base.sk);
/* Per the above section, we'll discard the chunk if we have an
* endpoint. If this is an OOTB INIT-ACK, treat it as such.
*/
if (ep == sctp_sk(net->sctp.ctl_sock)->ep)
- return sctp_sf_ootb(ep, asoc, type, arg, commands);
+ return sctp_sf_ootb(net, ep, asoc, type, arg, commands);
else
- return sctp_sf_discard_chunk(ep, asoc, type, arg, commands);
+ return sctp_sf_discard_chunk(net, ep, asoc, type, arg, commands);
}

/* Unexpected COOKIE-ECHO handler for peer restart (Table 2, action 'A')
@@ -1677,7 +1691,8 @@ sctp_disposition_t sctp_sf_do_5_2_3_initack(const struct sctp_endpoint *ep,
* Section 5.2.4
* A) In this case, the peer may have restarted.
*/
-static sctp_disposition_t sctp_sf_do_dupcook_a(const struct sctp_endpoint *ep,
+static sctp_disposition_t sctp_sf_do_dupcook_a(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
struct sctp_chunk *chunk,
sctp_cmd_seq_t *commands,
@@ -1713,7 +1728,7 @@ static sctp_disposition_t sctp_sf_do_dupcook_a(const struct sctp_endpoint *ep,
* its peer.
*/
if (sctp_state(asoc, SHUTDOWN_ACK_SENT)) {
- disposition = sctp_sf_do_9_2_reshutack(ep, asoc,
+ disposition = sctp_sf_do_9_2_reshutack(net, ep, asoc,
SCTP_ST_CHUNK(chunk->chunk_hdr->type),
chunk, commands);
if (SCTP_DISPOSITION_NOMEM == disposition)
@@ -1776,7 +1791,8 @@ nomem:
* after responding to the local endpoint's INIT
*/
/* This case represents an initialization collision. */
-static sctp_disposition_t sctp_sf_do_dupcook_b(const struct sctp_endpoint *ep,
+static sctp_disposition_t sctp_sf_do_dupcook_b(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
struct sctp_chunk *chunk,
sctp_cmd_seq_t *commands,
@@ -1797,7 +1813,7 @@ static sctp_disposition_t sctp_sf_do_dupcook_b(const struct sctp_endpoint *ep,
sctp_add_cmd_sf(commands, SCTP_CMD_UPDATE_ASSOC, SCTP_ASOC(new_asoc));
sctp_add_cmd_sf(commands, SCTP_CMD_NEW_STATE,
SCTP_STATE(SCTP_STATE_ESTABLISHED));
- SCTP_INC_STATS(sock_net(new_asoc->base.sk), SCTP_MIB_CURRESTAB);
+ SCTP_INC_STATS(net, SCTP_MIB_CURRESTAB);
sctp_add_cmd_sf(commands, SCTP_CMD_HB_TIMERS_START, SCTP_NULL());

repl = sctp_make_cookie_ack(new_asoc, chunk);
@@ -1846,7 +1862,8 @@ nomem:
* but a new tag of its own.
*/
/* This case represents an initialization collision. */
-static sctp_disposition_t sctp_sf_do_dupcook_c(const struct sctp_endpoint *ep,
+static sctp_disposition_t sctp_sf_do_dupcook_c(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
struct sctp_chunk *chunk,
sctp_cmd_seq_t *commands,
@@ -1867,7 +1884,8 @@ static sctp_disposition_t sctp_sf_do_dupcook_c(const struct sctp_endpoint *ep,
* enter the ESTABLISHED state, if it has not already done so.
*/
/* This case represents an initialization collision. */
-static sctp_disposition_t sctp_sf_do_dupcook_d(const struct sctp_endpoint *ep,
+static sctp_disposition_t sctp_sf_do_dupcook_d(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
struct sctp_chunk *chunk,
sctp_cmd_seq_t *commands,
@@ -1889,7 +1907,7 @@ static sctp_disposition_t sctp_sf_do_dupcook_d(const struct sctp_endpoint *ep,
SCTP_TO(SCTP_EVENT_TIMEOUT_T1_COOKIE));
sctp_add_cmd_sf(commands, SCTP_CMD_NEW_STATE,
SCTP_STATE(SCTP_STATE_ESTABLISHED));
- SCTP_INC_STATS(sock_net(asoc->base.sk), SCTP_MIB_CURRESTAB);
+ SCTP_INC_STATS(net, SCTP_MIB_CURRESTAB);
sctp_add_cmd_sf(commands, SCTP_CMD_HB_TIMERS_START,
SCTP_NULL());

@@ -1961,7 +1979,8 @@ nomem:
*
* The return value is the disposition of the chunk.
*/
-sctp_disposition_t sctp_sf_do_5_2_4_dupcook(const struct sctp_endpoint *ep,
+sctp_disposition_t sctp_sf_do_5_2_4_dupcook(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
@@ -1980,7 +1999,7 @@ sctp_disposition_t sctp_sf_do_5_2_4_dupcook(const struct sctp_endpoint *ep,
* done later.
*/
if (!sctp_chunk_length_valid(chunk, sizeof(sctp_chunkhdr_t)))
- return sctp_sf_violation_chunklen(ep, asoc, type, arg,
+ return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,
commands);

/* "Decode" the chunk. We have no optional parameters so we
@@ -2014,12 +2033,12 @@ sctp_disposition_t sctp_sf_do_5_2_4_dupcook(const struct sctp_endpoint *ep,
goto nomem;

case -SCTP_IERROR_STALE_COOKIE:
- sctp_send_stale_cookie_err(ep, asoc, chunk, commands,
+ sctp_send_stale_cookie_err(net, ep, asoc, chunk, commands,
err_chk_p);
- return sctp_sf_pdiscard(ep, asoc, type, arg, commands);
+ return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);
case -SCTP_IERROR_BAD_SIG:
default:
- return sctp_sf_pdiscard(ep, asoc, type, arg, commands);
+ return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);
}
}

@@ -2030,27 +2049,27 @@ sctp_disposition_t sctp_sf_do_5_2_4_dupcook(const struct sctp_endpoint *ep,

switch (action) {
case 'A': /* Association restart. */
- retval = sctp_sf_do_dupcook_a(ep, asoc, chunk, commands,
+ retval = sctp_sf_do_dupcook_a(net, ep, asoc, chunk, commands,
new_asoc);
break;

case 'B': /* Collision case B. */
- retval = sctp_sf_do_dupcook_b(ep, asoc, chunk, commands,
+ retval = sctp_sf_do_dupcook_b(net, ep, asoc, chunk, commands,
new_asoc);
break;

case 'C': /* Collision case C. */
- retval = sctp_sf_do_dupcook_c(ep, asoc, chunk, commands,
+ retval = sctp_sf_do_dupcook_c(net, ep, asoc, chunk, commands,
new_asoc);
break;

case 'D': /* Collision case D. */
- retval = sctp_sf_do_dupcook_d(ep, asoc, chunk, commands,
+ retval = sctp_sf_do_dupcook_d(net, ep, asoc, chunk, commands,
new_asoc);
break;

default: /* Discard packet for all others. */
- retval = sctp_sf_pdiscard(ep, asoc, type, arg, commands);
+ retval = sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);
break;
}

@@ -2076,6 +2095,7 @@ nomem:
* See sctp_sf_do_9_1_abort().
*/
sctp_disposition_t sctp_sf_shutdown_pending_abort(
+ struct net *net,
const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
@@ -2085,7 +2105,7 @@ sctp_disposition_t sctp_sf_shutdown_pending_abort(
struct sctp_chunk *chunk = arg;

if (!sctp_vtag_verify_either(chunk, asoc))
- return sctp_sf_pdiscard(ep, asoc, type, arg, commands);
+ return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);

/* Make sure that the ABORT chunk has a valid length.
* Since this is an ABORT chunk, we have to discard it
@@ -2098,7 +2118,7 @@ sctp_disposition_t sctp_sf_shutdown_pending_abort(
* packet.
*/
if (!sctp_chunk_length_valid(chunk, sizeof(sctp_abort_chunk_t)))
- return sctp_sf_pdiscard(ep, asoc, type, arg, commands);
+ return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);

/* ADD-IP: Special case for ABORT chunks
* F4) One special consideration is that ABORT Chunks arriving
@@ -2107,9 +2127,9 @@ sctp_disposition_t sctp_sf_shutdown_pending_abort(
*/
if (SCTP_ADDR_DEL ==
sctp_bind_addr_state(&asoc->base.bind_addr, &chunk->dest))
- return sctp_sf_discard_chunk(ep, asoc, type, arg, commands);
+ return sctp_sf_discard_chunk(net, ep, asoc, type, arg, commands);

- return __sctp_sf_do_9_1_abort(ep, asoc, type, arg, commands);
+ return __sctp_sf_do_9_1_abort(net, ep, asoc, type, arg, commands);
}

/*
@@ -2117,7 +2137,8 @@ sctp_disposition_t sctp_sf_shutdown_pending_abort(
*
* See sctp_sf_do_9_1_abort().
*/
-sctp_disposition_t sctp_sf_shutdown_sent_abort(const struct sctp_endpoint *ep,
+sctp_disposition_t sctp_sf_shutdown_sent_abort(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
@@ -2126,7 +2147,7 @@ sctp_disposition_t sctp_sf_shutdown_sent_abort(const struct sctp_endpoint *ep,
struct sctp_chunk *chunk = arg;

if (!sctp_vtag_verify_either(chunk, asoc))
- return sctp_sf_pdiscard(ep, asoc, type, arg, commands);
+ return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);

/* Make sure that the ABORT chunk has a valid length.
* Since this is an ABORT chunk, we have to discard it
@@ -2139,7 +2160,7 @@ sctp_disposition_t sctp_sf_shutdown_sent_abort(const struct sctp_endpoint *ep,
* packet.
*/
if (!sctp_chunk_length_valid(chunk, sizeof(sctp_abort_chunk_t)))
- return sctp_sf_pdiscard(ep, asoc, type, arg, commands);
+ return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);

/* ADD-IP: Special case for ABORT chunks
* F4) One special consideration is that ABORT Chunks arriving
@@ -2148,7 +2169,7 @@ sctp_disposition_t sctp_sf_shutdown_sent_abort(const struct sctp_endpoint *ep,
*/
if (SCTP_ADDR_DEL ==
sctp_bind_addr_state(&asoc->base.bind_addr, &chunk->dest))
- return sctp_sf_discard_chunk(ep, asoc, type, arg, commands);
+ return sctp_sf_discard_chunk(net, ep, asoc, type, arg, commands);

/* Stop the T2-shutdown timer. */
sctp_add_cmd_sf(commands, SCTP_CMD_TIMER_STOP,
@@ -2158,7 +2179,7 @@ sctp_disposition_t sctp_sf_shutdown_sent_abort(const struct sctp_endpoint *ep,
sctp_add_cmd_sf(commands, SCTP_CMD_TIMER_STOP,
SCTP_TO(SCTP_EVENT_TIMEOUT_T5_SHUTDOWN_GUARD));

- return __sctp_sf_do_9_1_abort(ep, asoc, type, arg, commands);
+ return __sctp_sf_do_9_1_abort(net, ep, asoc, type, arg, commands);
}

/*
@@ -2167,6 +2188,7 @@ sctp_disposition_t sctp_sf_shutdown_sent_abort(const struct sctp_endpoint *ep,
* See sctp_sf_do_9_1_abort().
*/
sctp_disposition_t sctp_sf_shutdown_ack_sent_abort(
+ struct net *net,
const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
@@ -2176,7 +2198,7 @@ sctp_disposition_t sctp_sf_shutdown_ack_sent_abort(
/* The same T2 timer, so we should be able to use
* common function with the SHUTDOWN-SENT state.
*/
- return sctp_sf_shutdown_sent_abort(ep, asoc, type, arg, commands);
+ return sctp_sf_shutdown_sent_abort(net, ep, asoc, type, arg, commands);
}

/*
@@ -2193,7 +2215,8 @@ sctp_disposition_t sctp_sf_shutdown_ack_sent_abort(
*
* The return value is the disposition of the chunk.
*/
-sctp_disposition_t sctp_sf_cookie_echoed_err(const struct sctp_endpoint *ep,
+sctp_disposition_t sctp_sf_cookie_echoed_err(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
@@ -2203,13 +2226,13 @@ sctp_disposition_t sctp_sf_cookie_echoed_err(const struct sctp_endpoint *ep,
sctp_errhdr_t *err;

if (!sctp_vtag_verify(chunk, asoc))
- return sctp_sf_pdiscard(ep, asoc, type, arg, commands);
+ return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);

/* Make sure that the ERROR chunk has a valid length.
* The parameter walking depends on this as well.
*/
if (!sctp_chunk_length_valid(chunk, sizeof(sctp_operr_chunk_t)))
- return sctp_sf_violation_chunklen(ep, asoc, type, arg,
+ return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,
commands);

/* Process the error here */
@@ -2219,7 +2242,7 @@ sctp_disposition_t sctp_sf_cookie_echoed_err(const struct sctp_endpoint *ep,
*/
sctp_walk_errors(err, chunk->chunk_hdr) {
if (SCTP_ERROR_STALE_COOKIE == err->cause)
- return sctp_sf_do_5_2_6_stale(ep, asoc, type,
+ return sctp_sf_do_5_2_6_stale(net, ep, asoc, type,
arg, commands);
}

@@ -2228,7 +2251,7 @@ sctp_disposition_t sctp_sf_cookie_echoed_err(const struct sctp_endpoint *ep,
* we are discarding the packet, there should be no adverse
* affects.
*/
- return sctp_sf_pdiscard(ep, asoc, type, arg, commands);
+ return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);
}

/*
@@ -2256,7 +2279,8 @@ sctp_disposition_t sctp_sf_cookie_echoed_err(const struct sctp_endpoint *ep,
*
* The return value is the disposition of the chunk.
*/
-static sctp_disposition_t sctp_sf_do_5_2_6_stale(const struct sctp_endpoint *ep,
+static sctp_disposition_t sctp_sf_do_5_2_6_stale(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
@@ -2378,7 +2402,8 @@ nomem:
*
* The return value is the disposition of the chunk.
*/
-sctp_disposition_t sctp_sf_do_9_1_abort(const struct sctp_endpoint *ep,
+sctp_disposition_t sctp_sf_do_9_1_abort(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
@@ -2387,7 +2412,7 @@ sctp_disposition_t sctp_sf_do_9_1_abort(const struct sctp_endpoint *ep,
struct sctp_chunk *chunk = arg;

if (!sctp_vtag_verify_either(chunk, asoc))
- return sctp_sf_pdiscard(ep, asoc, type, arg, commands);
+ return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);

/* Make sure that the ABORT chunk has a valid length.
* Since this is an ABORT chunk, we have to discard it
@@ -2400,7 +2425,7 @@ sctp_disposition_t sctp_sf_do_9_1_abort(const struct sctp_endpoint *ep,
* packet.
*/
if (!sctp_chunk_length_valid(chunk, sizeof(sctp_abort_chunk_t)))
- return sctp_sf_pdiscard(ep, asoc, type, arg, commands);
+ return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);

/* ADD-IP: Special case for ABORT chunks
* F4) One special consideration is that ABORT Chunks arriving
@@ -2409,12 +2434,13 @@ sctp_disposition_t sctp_sf_do_9_1_abort(const struct sctp_endpoint *ep,
*/
if (SCTP_ADDR_DEL ==
sctp_bind_addr_state(&asoc->base.bind_addr, &chunk->dest))
- return sctp_sf_discard_chunk(ep, asoc, type, arg, commands);
+ return sctp_sf_discard_chunk(net, ep, asoc, type, arg, commands);

- return __sctp_sf_do_9_1_abort(ep, asoc, type, arg, commands);
+ return __sctp_sf_do_9_1_abort(net, ep, asoc, type, arg, commands);
}

-static sctp_disposition_t __sctp_sf_do_9_1_abort(const struct sctp_endpoint *ep,
+static sctp_disposition_t __sctp_sf_do_9_1_abort(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
@@ -2423,7 +2449,6 @@ static sctp_disposition_t __sctp_sf_do_9_1_abort(const struct sctp_endpoint *ep,
struct sctp_chunk *chunk = arg;
unsigned int len;
__be16 error = SCTP_ERROR_NO_ERROR;
- struct net *net;

/* See if we have an error cause code in the chunk. */
len = ntohs(chunk->chunk_hdr->length);
@@ -2432,7 +2457,7 @@ static sctp_disposition_t __sctp_sf_do_9_1_abort(const struct sctp_endpoint *ep,
sctp_errhdr_t *err;
sctp_walk_errors(err, chunk->chunk_hdr);
if ((void *)err != (void *)chunk->chunk_end)
- return sctp_sf_pdiscard(ep, asoc, type, arg, commands);
+ return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);

error = ((sctp_errhdr_t *)chunk->skb->data)->cause;
}
@@ -2440,7 +2465,6 @@ static sctp_disposition_t __sctp_sf_do_9_1_abort(const struct sctp_endpoint *ep,
sctp_add_cmd_sf(commands, SCTP_CMD_SET_SK_ERR, SCTP_ERROR(ECONNRESET));
/* ASSOC_FAILED will DELETE_TCB. */
sctp_add_cmd_sf(commands, SCTP_CMD_ASSOC_FAILED, SCTP_PERR(error));
- net = sock_net(ep->base.sk);
SCTP_INC_STATS(net, SCTP_MIB_ABORTEDS);
SCTP_DEC_STATS(net, SCTP_MIB_CURRESTAB);

@@ -2452,7 +2476,8 @@ static sctp_disposition_t __sctp_sf_do_9_1_abort(const struct sctp_endpoint *ep,
*
* See sctp_sf_do_9_1_abort() above.
*/
-sctp_disposition_t sctp_sf_cookie_wait_abort(const struct sctp_endpoint *ep,
+sctp_disposition_t sctp_sf_cookie_wait_abort(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
@@ -2463,7 +2488,7 @@ sctp_disposition_t sctp_sf_cookie_wait_abort(const struct sctp_endpoint *ep,
__be16 error = SCTP_ERROR_NO_ERROR;

if (!sctp_vtag_verify_either(chunk, asoc))
- return sctp_sf_pdiscard(ep, asoc, type, arg, commands);
+ return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);

/* Make sure that the ABORT chunk has a valid length.
* Since this is an ABORT chunk, we have to discard it
@@ -2476,27 +2501,28 @@ sctp_disposition_t sctp_sf_cookie_wait_abort(const struct sctp_endpoint *ep,
* packet.
*/
if (!sctp_chunk_length_valid(chunk, sizeof(sctp_abort_chunk_t)))
- return sctp_sf_pdiscard(ep, asoc, type, arg, commands);
+ return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);

/* See if we have an error cause code in the chunk. */
len = ntohs(chunk->chunk_hdr->length);
if (len >= sizeof(struct sctp_chunkhdr) + sizeof(struct sctp_errhdr))
error = ((sctp_errhdr_t *)chunk->skb->data)->cause;

- return sctp_stop_t1_and_abort(commands, error, ECONNREFUSED, asoc,
+ return sctp_stop_t1_and_abort(net, commands, error, ECONNREFUSED, asoc,
chunk->transport);
}

/*
* Process an incoming ICMP as an ABORT. (COOKIE-WAIT state)
*/
-sctp_disposition_t sctp_sf_cookie_wait_icmp_abort(const struct sctp_endpoint *ep,
+sctp_disposition_t sctp_sf_cookie_wait_icmp_abort(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
sctp_cmd_seq_t *commands)
{
- return sctp_stop_t1_and_abort(commands, SCTP_ERROR_NO_ERROR,
+ return sctp_stop_t1_and_abort(net, commands, SCTP_ERROR_NO_ERROR,
ENOPROTOOPT, asoc,
(struct sctp_transport *)arg);
}
@@ -2504,7 +2530,8 @@ sctp_disposition_t sctp_sf_cookie_wait_icmp_abort(const struct sctp_endpoint *ep
/*
* Process an ABORT. (COOKIE-ECHOED state)
*/
-sctp_disposition_t sctp_sf_cookie_echoed_abort(const struct sctp_endpoint *ep,
+sctp_disposition_t sctp_sf_cookie_echoed_abort(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
@@ -2513,7 +2540,7 @@ sctp_disposition_t sctp_sf_cookie_echoed_abort(const struct sctp_endpoint *ep,
/* There is a single T1 timer, so we should be able to use
* common function with the COOKIE-WAIT state.
*/
- return sctp_sf_cookie_wait_abort(ep, asoc, type, arg, commands);
+ return sctp_sf_cookie_wait_abort(net, ep, asoc, type, arg, commands);
}

/*
@@ -2521,7 +2548,8 @@ sctp_disposition_t sctp_sf_cookie_echoed_abort(const struct sctp_endpoint *ep,
*
* This is common code called by several sctp_sf_*_abort() functions above.
*/
-static sctp_disposition_t sctp_stop_t1_and_abort(sctp_cmd_seq_t *commands,
+static sctp_disposition_t sctp_stop_t1_and_abort(struct net *net,
+ sctp_cmd_seq_t *commands,
__be16 error, int sk_err,
const struct sctp_association *asoc,
struct sctp_transport *transport)
@@ -2529,7 +2557,7 @@ static sctp_disposition_t sctp_stop_t1_and_abort(sctp_cmd_seq_t *commands,
SCTP_DEBUG_PRINTK("ABORT received (INIT).\n");
sctp_add_cmd_sf(commands, SCTP_CMD_NEW_STATE,
SCTP_STATE(SCTP_STATE_CLOSED));
- SCTP_INC_STATS(sock_net(asoc->base.sk), SCTP_MIB_ABORTEDS);
+ SCTP_INC_STATS(net, SCTP_MIB_ABORTEDS);
sctp_add_cmd_sf(commands, SCTP_CMD_TIMER_STOP,
SCTP_TO(SCTP_EVENT_TIMEOUT_T1_INIT));
sctp_add_cmd_sf(commands, SCTP_CMD_SET_SK_ERR, SCTP_ERROR(sk_err));
@@ -2572,7 +2600,8 @@ static sctp_disposition_t sctp_stop_t1_and_abort(sctp_cmd_seq_t *commands,
*
* The return value is the disposition of the chunk.
*/
-sctp_disposition_t sctp_sf_do_9_2_shutdown(const struct sctp_endpoint *ep,
+sctp_disposition_t sctp_sf_do_9_2_shutdown(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
@@ -2585,12 +2614,12 @@ sctp_disposition_t sctp_sf_do_9_2_shutdown(const struct sctp_endpoint *ep,
__u32 ctsn;

if (!sctp_vtag_verify(chunk, asoc))
- return sctp_sf_pdiscard(ep, asoc, type, arg, commands);
+ return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);

/* Make sure that the SHUTDOWN chunk has a valid length. */
if (!sctp_chunk_length_valid(chunk,
sizeof(struct sctp_shutdown_chunk_t)))
- return sctp_sf_violation_chunklen(ep, asoc, type, arg,
+ return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,
commands);

/* Convert the elaborate header. */
@@ -2610,7 +2639,7 @@ sctp_disposition_t sctp_sf_do_9_2_shutdown(const struct sctp_endpoint *ep,
* sender with an ABORT.
*/
if (!TSN_lt(ctsn, asoc->next_tsn))
- return sctp_sf_violation_ctsn(ep, asoc, type, arg, commands);
+ return sctp_sf_violation_ctsn(net, ep, asoc, type, arg, commands);

/* API 5.3.1.5 SCTP_SHUTDOWN_EVENT
* When a peer sends a SHUTDOWN, SCTP delivers this notification to
@@ -2634,7 +2663,7 @@ sctp_disposition_t sctp_sf_do_9_2_shutdown(const struct sctp_endpoint *ep,
disposition = SCTP_DISPOSITION_CONSUME;

if (sctp_outq_is_empty(&asoc->outqueue)) {
- disposition = sctp_sf_do_9_2_shutdown_ack(ep, asoc, type,
+ disposition = sctp_sf_do_9_2_shutdown_ack(net, ep, asoc, type,
arg, commands);
}

@@ -2660,7 +2689,8 @@ out:
* The Cumulative TSN Ack of the received SHUTDOWN chunk
* MUST be processed.
*/
-sctp_disposition_t sctp_sf_do_9_2_shut_ctsn(const struct sctp_endpoint *ep,
+sctp_disposition_t sctp_sf_do_9_2_shut_ctsn(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
@@ -2671,12 +2701,12 @@ sctp_disposition_t sctp_sf_do_9_2_shut_ctsn(const struct sctp_endpoint *ep,
__u32 ctsn;

if (!sctp_vtag_verify(chunk, asoc))
- return sctp_sf_pdiscard(ep, asoc, type, arg, commands);
+ return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);

/* Make sure that the SHUTDOWN chunk has a valid length. */
if (!sctp_chunk_length_valid(chunk,
sizeof(struct sctp_shutdown_chunk_t)))
- return sctp_sf_violation_chunklen(ep, asoc, type, arg,
+ return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,
commands);

sdh = (sctp_shutdownhdr_t *)chunk->skb->data;
@@ -2693,7 +2723,7 @@ sctp_disposition_t sctp_sf_do_9_2_shut_ctsn(const struct sctp_endpoint *ep,
* sender with an ABORT.
*/
if (!TSN_lt(ctsn, asoc->next_tsn))
- return sctp_sf_violation_ctsn(ep, asoc, type, arg, commands);
+ return sctp_sf_violation_ctsn(net, ep, asoc, type, arg, commands);

/* verify, by checking the Cumulative TSN Ack field of the
* chunk, that all its outstanding DATA chunks have been
@@ -2712,7 +2742,8 @@ sctp_disposition_t sctp_sf_do_9_2_shut_ctsn(const struct sctp_endpoint *ep,
* that belong to this association, it should discard the INIT chunk and
* retransmit the SHUTDOWN ACK chunk.
*/
-sctp_disposition_t sctp_sf_do_9_2_reshutack(const struct sctp_endpoint *ep,
+sctp_disposition_t sctp_sf_do_9_2_reshutack(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
@@ -2723,7 +2754,7 @@ sctp_disposition_t sctp_sf_do_9_2_reshutack(const struct sctp_endpoint *ep,

/* Make sure that the chunk has a valid length */
if (!sctp_chunk_length_valid(chunk, sizeof(sctp_chunkhdr_t)))
- return sctp_sf_violation_chunklen(ep, asoc, type, arg,
+ return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,
commands);

/* Since we are not going to really process this INIT, there
@@ -2775,7 +2806,8 @@ nomem:
*
* The return value is the disposition of the chunk.
*/
-sctp_disposition_t sctp_sf_do_ecn_cwr(const struct sctp_endpoint *ep,
+sctp_disposition_t sctp_sf_do_ecn_cwr(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
@@ -2786,10 +2818,10 @@ sctp_disposition_t sctp_sf_do_ecn_cwr(const struct sctp_endpoint *ep,
u32 lowest_tsn;

if (!sctp_vtag_verify(chunk, asoc))
- return sctp_sf_pdiscard(ep, asoc, type, arg, commands);
+ return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);

if (!sctp_chunk_length_valid(chunk, sizeof(sctp_ecne_chunk_t)))
- return sctp_sf_violation_chunklen(ep, asoc, type, arg,
+ return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,
commands);

cwr = (sctp_cwrhdr_t *) chunk->skb->data;
@@ -2830,7 +2862,8 @@ sctp_disposition_t sctp_sf_do_ecn_cwr(const struct sctp_endpoint *ep,
*
* The return value is the disposition of the chunk.
*/
-sctp_disposition_t sctp_sf_do_ecne(const struct sctp_endpoint *ep,
+sctp_disposition_t sctp_sf_do_ecne(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
@@ -2840,10 +2873,10 @@ sctp_disposition_t sctp_sf_do_ecne(const struct sctp_endpoint *ep,
struct sctp_chunk *chunk = arg;

if (!sctp_vtag_verify(chunk, asoc))
- return sctp_sf_pdiscard(ep, asoc, type, arg, commands);
+ return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);

if (!sctp_chunk_length_valid(chunk, sizeof(sctp_ecne_chunk_t)))
- return sctp_sf_violation_chunklen(ep, asoc, type, arg,
+ return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,
commands);

ecne = (sctp_ecnehdr_t *) chunk->skb->data;
@@ -2886,7 +2919,8 @@ sctp_disposition_t sctp_sf_do_ecne(const struct sctp_endpoint *ep,
*
* The return value is the disposition of the chunk.
*/
-sctp_disposition_t sctp_sf_eat_data_6_2(const struct sctp_endpoint *ep,
+sctp_disposition_t sctp_sf_eat_data_6_2(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
@@ -2899,11 +2933,11 @@ sctp_disposition_t sctp_sf_eat_data_6_2(const struct sctp_endpoint *ep,
if (!sctp_vtag_verify(chunk, asoc)) {
sctp_add_cmd_sf(commands, SCTP_CMD_REPORT_BAD_TAG,
SCTP_NULL());
- return sctp_sf_pdiscard(ep, asoc, type, arg, commands);
+ return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);
}

if (!sctp_chunk_length_valid(chunk, sizeof(sctp_data_chunk_t)))
- return sctp_sf_violation_chunklen(ep, asoc, type, arg,
+ return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,
commands);

error = sctp_eat_data(asoc, chunk, commands );
@@ -2912,16 +2946,16 @@ sctp_disposition_t sctp_sf_eat_data_6_2(const struct sctp_endpoint *ep,
break;
case SCTP_IERROR_HIGH_TSN:
case SCTP_IERROR_BAD_STREAM:
- SCTP_INC_STATS(sock_net(asoc->base.sk), SCTP_MIB_IN_DATA_CHUNK_DISCARDS);
+ SCTP_INC_STATS(net, SCTP_MIB_IN_DATA_CHUNK_DISCARDS);
goto discard_noforce;
case SCTP_IERROR_DUP_TSN:
case SCTP_IERROR_IGNORE_TSN:
- SCTP_INC_STATS(sock_net(asoc->base.sk), SCTP_MIB_IN_DATA_CHUNK_DISCARDS);
+ SCTP_INC_STATS(net, SCTP_MIB_IN_DATA_CHUNK_DISCARDS);
goto discard_force;
case SCTP_IERROR_NO_DATA:
goto consume;
case SCTP_IERROR_PROTO_VIOLATION:
- return sctp_sf_abort_violation(ep, asoc, chunk, commands,
+ return sctp_sf_abort_violation(net, ep, asoc, chunk, commands,
(u8 *)chunk->subh.data_hdr, sizeof(sctp_datahdr_t));
default:
BUG();
@@ -3007,7 +3041,8 @@ consume:
*
* The return value is the disposition of the chunk.
*/
-sctp_disposition_t sctp_sf_eat_data_fast_4_4(const struct sctp_endpoint *ep,
+sctp_disposition_t sctp_sf_eat_data_fast_4_4(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
@@ -3019,11 +3054,11 @@ sctp_disposition_t sctp_sf_eat_data_fast_4_4(const struct sctp_endpoint *ep,
if (!sctp_vtag_verify(chunk, asoc)) {
sctp_add_cmd_sf(commands, SCTP_CMD_REPORT_BAD_TAG,
SCTP_NULL());
- return sctp_sf_pdiscard(ep, asoc, type, arg, commands);
+ return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);
}

if (!sctp_chunk_length_valid(chunk, sizeof(sctp_data_chunk_t)))
- return sctp_sf_violation_chunklen(ep, asoc, type, arg,
+ return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,
commands);

error = sctp_eat_data(asoc, chunk, commands );
@@ -3037,7 +3072,7 @@ sctp_disposition_t sctp_sf_eat_data_fast_4_4(const struct sctp_endpoint *ep,
case SCTP_IERROR_NO_DATA:
goto consume;
case SCTP_IERROR_PROTO_VIOLATION:
- return sctp_sf_abort_violation(ep, asoc, chunk, commands,
+ return sctp_sf_abort_violation(net, ep, asoc, chunk, commands,
(u8 *)chunk->subh.data_hdr, sizeof(sctp_datahdr_t));
default:
BUG();
@@ -3097,7 +3132,8 @@ consume:
*
* The return value is the disposition of the chunk.
*/
-sctp_disposition_t sctp_sf_eat_sack_6_2(const struct sctp_endpoint *ep,
+sctp_disposition_t sctp_sf_eat_sack_6_2(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
@@ -3108,18 +3144,18 @@ sctp_disposition_t sctp_sf_eat_sack_6_2(const struct sctp_endpoint *ep,
__u32 ctsn;

if (!sctp_vtag_verify(chunk, asoc))
- return sctp_sf_pdiscard(ep, asoc, type, arg, commands);
+ return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);

/* Make sure that the SACK chunk has a valid length. */
if (!sctp_chunk_length_valid(chunk, sizeof(sctp_sack_chunk_t)))
- return sctp_sf_violation_chunklen(ep, asoc, type, arg,
+ return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,
commands);

/* Pull the SACK chunk from the data buffer */
sackh = sctp_sm_pull_sack(chunk);
/* Was this a bogus SACK? */
if (!sackh)
- return sctp_sf_pdiscard(ep, asoc, type, arg, commands);
+ return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);
chunk->subh.sack_hdr = sackh;
ctsn = ntohl(sackh->cum_tsn_ack);

@@ -3140,7 +3176,7 @@ sctp_disposition_t sctp_sf_eat_sack_6_2(const struct sctp_endpoint *ep,
* sender with an ABORT.
*/
if (!TSN_lt(ctsn, asoc->next_tsn))
- return sctp_sf_violation_ctsn(ep, asoc, type, arg, commands);
+ return sctp_sf_violation_ctsn(net, ep, asoc, type, arg, commands);

/* Return this SACK for further processing. */
sctp_add_cmd_sf(commands, SCTP_CMD_PROCESS_SACK, SCTP_SACKH(sackh));
@@ -3169,7 +3205,8 @@ sctp_disposition_t sctp_sf_eat_sack_6_2(const struct sctp_endpoint *ep,
*
* The return value is the disposition of the chunk.
*/
-static sctp_disposition_t sctp_sf_tabort_8_4_8(const struct sctp_endpoint *ep,
+static sctp_disposition_t sctp_sf_tabort_8_4_8(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
@@ -3178,9 +3215,7 @@ static sctp_disposition_t sctp_sf_tabort_8_4_8(const struct sctp_endpoint *ep,
struct sctp_packet *packet = NULL;
struct sctp_chunk *chunk = arg;
struct sctp_chunk *abort;
- struct net *net;

- net = sock_net(ep->base.sk);
packet = sctp_ootb_pkt_new(net, asoc, chunk);

if (packet) {
@@ -3207,7 +3242,7 @@ static sctp_disposition_t sctp_sf_tabort_8_4_8(const struct sctp_endpoint *ep,

SCTP_INC_STATS(net, SCTP_MIB_OUTCTRLCHUNKS);

- sctp_sf_pdiscard(ep, asoc, type, arg, commands);
+ sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);
return SCTP_DISPOSITION_CONSUME;
}

@@ -3222,7 +3257,8 @@ static sctp_disposition_t sctp_sf_tabort_8_4_8(const struct sctp_endpoint *ep,
*
* The return value is the disposition of the chunk.
*/
-sctp_disposition_t sctp_sf_operr_notify(const struct sctp_endpoint *ep,
+sctp_disposition_t sctp_sf_operr_notify(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
@@ -3232,15 +3268,15 @@ sctp_disposition_t sctp_sf_operr_notify(const struct sctp_endpoint *ep,
sctp_errhdr_t *err;

if (!sctp_vtag_verify(chunk, asoc))
- return sctp_sf_pdiscard(ep, asoc, type, arg, commands);
+ return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);

/* Make sure that the ERROR chunk has a valid length. */
if (!sctp_chunk_length_valid(chunk, sizeof(sctp_operr_chunk_t)))
- return sctp_sf_violation_chunklen(ep, asoc, type, arg,
+ return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,
commands);
sctp_walk_errors(err, chunk->chunk_hdr);
if ((void *)err != (void *)chunk->chunk_end)
- return sctp_sf_violation_paramlen(ep, asoc, type, arg,
+ return sctp_sf_violation_paramlen(net, ep, asoc, type, arg,
(void *)err, commands);

sctp_add_cmd_sf(commands, SCTP_CMD_PROCESS_OPERR,
@@ -3259,7 +3295,8 @@ sctp_disposition_t sctp_sf_operr_notify(const struct sctp_endpoint *ep,
*
* The return value is the disposition.
*/
-sctp_disposition_t sctp_sf_do_9_2_final(const struct sctp_endpoint *ep,
+sctp_disposition_t sctp_sf_do_9_2_final(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
@@ -3268,14 +3305,13 @@ sctp_disposition_t sctp_sf_do_9_2_final(const struct sctp_endpoint *ep,
struct sctp_chunk *chunk = arg;
struct sctp_chunk *reply;
struct sctp_ulpevent *ev;
- struct net *net;

if (!sctp_vtag_verify(chunk, asoc))
- return sctp_sf_pdiscard(ep, asoc, type, arg, commands);
+ return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);

/* Make sure that the SHUTDOWN_ACK chunk has a valid length. */
if (!sctp_chunk_length_valid(chunk, sizeof(sctp_chunkhdr_t)))
- return sctp_sf_violation_chunklen(ep, asoc, type, arg,
+ return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,
commands);
/* 10.2 H) SHUTDOWN COMPLETE notification
*
@@ -3308,7 +3344,6 @@ sctp_disposition_t sctp_sf_do_9_2_final(const struct sctp_endpoint *ep,

sctp_add_cmd_sf(commands, SCTP_CMD_NEW_STATE,
SCTP_STATE(SCTP_STATE_CLOSED));
- net = sock_net(asoc->base.sk);
SCTP_INC_STATS(net, SCTP_MIB_SHUTDOWNS);
SCTP_DEC_STATS(net, SCTP_MIB_CURRESTAB);
sctp_add_cmd_sf(commands, SCTP_CMD_REPLY, SCTP_CHUNK(reply));
@@ -3343,7 +3378,8 @@ nomem:
* receiver of the OOTB packet shall discard the OOTB packet and take
* no further action.
*/
-sctp_disposition_t sctp_sf_ootb(const struct sctp_endpoint *ep,
+sctp_disposition_t sctp_sf_ootb(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
@@ -3356,16 +3392,14 @@ sctp_disposition_t sctp_sf_ootb(const struct sctp_endpoint *ep,
__u8 *ch_end;
int ootb_shut_ack = 0;
int ootb_cookie_ack = 0;
- struct net *net;

- net = sock_net(asoc->base.sk);
SCTP_INC_STATS(net, SCTP_MIB_OUTOFBLUES);

ch = (sctp_chunkhdr_t *) chunk->chunk_hdr;
do {
/* Report violation if the chunk is less then minimal */
if (ntohs(ch->length) < sizeof(sctp_chunkhdr_t))
- return sctp_sf_violation_chunklen(ep, asoc, type, arg,
+ return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,
commands);

/* Now that we know we at least have a chunk header,
@@ -3380,7 +3414,7 @@ sctp_disposition_t sctp_sf_ootb(const struct sctp_endpoint *ep,
* sending an ABORT of its own.
*/
if (SCTP_CID_ABORT == ch->type)
- return sctp_sf_pdiscard(ep, asoc, type, arg, commands);
+ return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);

/* RFC 8.4, 7) If the packet contains a "Stale cookie" ERROR
* or a COOKIE ACK the SCTP Packet should be silently
@@ -3402,18 +3436,18 @@ sctp_disposition_t sctp_sf_ootb(const struct sctp_endpoint *ep,
/* Report violation if chunk len overflows */
ch_end = ((__u8 *)ch) + WORD_ROUND(ntohs(ch->length));
if (ch_end > skb_tail_pointer(skb))
- return sctp_sf_violation_chunklen(ep, asoc, type, arg,
+ return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,
commands);

ch = (sctp_chunkhdr_t *) ch_end;
} while (ch_end < skb_tail_pointer(skb));

if (ootb_shut_ack)
- return sctp_sf_shut_8_4_5(ep, asoc, type, arg, commands);
+ return sctp_sf_shut_8_4_5(net, ep, asoc, type, arg, commands);
else if (ootb_cookie_ack)
- return sctp_sf_pdiscard(ep, asoc, type, arg, commands);
+ return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);
else
- return sctp_sf_tabort_8_4_8(ep, asoc, type, arg, commands);
+ return sctp_sf_tabort_8_4_8(net, ep, asoc, type, arg, commands);
}

/*
@@ -3437,7 +3471,8 @@ sctp_disposition_t sctp_sf_ootb(const struct sctp_endpoint *ep,
*
* The return value is the disposition of the chunk.
*/
-static sctp_disposition_t sctp_sf_shut_8_4_5(const struct sctp_endpoint *ep,
+static sctp_disposition_t sctp_sf_shut_8_4_5(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
@@ -3446,9 +3481,7 @@ static sctp_disposition_t sctp_sf_shut_8_4_5(const struct sctp_endpoint *ep,
struct sctp_packet *packet = NULL;
struct sctp_chunk *chunk = arg;
struct sctp_chunk *shut;
- struct net *net;

- net = sock_net(ep->base.sk);
packet = sctp_ootb_pkt_new(net, asoc, chunk);

if (packet) {
@@ -3479,13 +3512,13 @@ static sctp_disposition_t sctp_sf_shut_8_4_5(const struct sctp_endpoint *ep,
* the reset of the packet.
*/
if (!sctp_chunk_length_valid(chunk, sizeof(sctp_chunkhdr_t)))
- return sctp_sf_pdiscard(ep, asoc, type, arg, commands);
+ return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);

/* We need to discard the rest of the packet to prevent
* potential bomming attacks from additional bundled chunks.
* This is documented in SCTP Threats ID.
*/
- return sctp_sf_pdiscard(ep, asoc, type, arg, commands);
+ return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);
}

return SCTP_DISPOSITION_NOMEM;
@@ -3502,7 +3535,8 @@ static sctp_disposition_t sctp_sf_shut_8_4_5(const struct sctp_endpoint *ep,
* chunks. --piggy ]
*
*/
-sctp_disposition_t sctp_sf_do_8_5_1_E_sa(const struct sctp_endpoint *ep,
+sctp_disposition_t sctp_sf_do_8_5_1_E_sa(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
@@ -3512,7 +3546,7 @@ sctp_disposition_t sctp_sf_do_8_5_1_E_sa(const struct sctp_endpoint *ep,

/* Make sure that the SHUTDOWN_ACK chunk has a valid length. */
if (!sctp_chunk_length_valid(chunk, sizeof(sctp_chunkhdr_t)))
- return sctp_sf_violation_chunklen(ep, asoc, type, arg,
+ return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,
commands);

/* Although we do have an association in this case, it corresponds
@@ -3520,13 +3554,14 @@ sctp_disposition_t sctp_sf_do_8_5_1_E_sa(const struct sctp_endpoint *ep,
* packet and the state function that handles OOTB SHUTDOWN_ACK is
* called with a NULL association.
*/
- SCTP_INC_STATS(sock_net(ep->base.sk), SCTP_MIB_OUTOFBLUES);
+ SCTP_INC_STATS(net, SCTP_MIB_OUTOFBLUES);

- return sctp_sf_shut_8_4_5(ep, NULL, type, arg, commands);
+ return sctp_sf_shut_8_4_5(net, ep, NULL, type, arg, commands);
}

/* ADDIP Section 4.2 Upon reception of an ASCONF Chunk. */
-sctp_disposition_t sctp_sf_do_asconf(const struct sctp_endpoint *ep,
+sctp_disposition_t sctp_sf_do_asconf(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type, void *arg,
sctp_cmd_seq_t *commands)
@@ -3542,7 +3577,7 @@ sctp_disposition_t sctp_sf_do_asconf(const struct sctp_endpoint *ep,
if (!sctp_vtag_verify(chunk, asoc)) {
sctp_add_cmd_sf(commands, SCTP_CMD_REPORT_BAD_TAG,
SCTP_NULL());
- return sctp_sf_pdiscard(ep, asoc, type, arg, commands);
+ return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);
}

/* ADD-IP: Section 4.1.1
@@ -3552,11 +3587,11 @@ sctp_disposition_t sctp_sf_do_asconf(const struct sctp_endpoint *ep,
* described in [I-D.ietf-tsvwg-sctp-auth].
*/
if (!sctp_addip_noauth && !chunk->auth)
- return sctp_sf_discard_chunk(ep, asoc, type, arg, commands);
+ return sctp_sf_discard_chunk(net, ep, asoc, type, arg, commands);

/* Make sure that the ASCONF ADDIP chunk has a valid length. */
if (!sctp_chunk_length_valid(chunk, sizeof(sctp_addip_chunk_t)))
- return sctp_sf_violation_chunklen(ep, asoc, type, arg,
+ return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,
commands);

hdr = (sctp_addiphdr_t *)chunk->skb->data;
@@ -3565,7 +3600,7 @@ sctp_disposition_t sctp_sf_do_asconf(const struct sctp_endpoint *ep,
addr_param = (union sctp_addr_param *)hdr->params;
length = ntohs(addr_param->p.length);
if (length < sizeof(sctp_paramhdr_t))
- return sctp_sf_violation_paramlen(ep, asoc, type, arg,
+ return sctp_sf_violation_paramlen(net, ep, asoc, type, arg,
(void *)addr_param, commands);

/* Verify the ASCONF chunk before processing it. */
@@ -3573,7 +3608,7 @@ sctp_disposition_t sctp_sf_do_asconf(const struct sctp_endpoint *ep,
(sctp_paramhdr_t *)((void *)addr_param + length),
(void *)chunk->chunk_end,
&err_param))
- return sctp_sf_violation_paramlen(ep, asoc, type, arg,
+ return sctp_sf_violation_paramlen(net, ep, asoc, type, arg,
(void *)err_param, commands);

/* ADDIP 5.2 E1) Compare the value of the serial number to the value
@@ -3653,7 +3688,8 @@ sctp_disposition_t sctp_sf_do_asconf(const struct sctp_endpoint *ep,
* When building TLV parameters for the ASCONF Chunk that will add or
* delete IP addresses the D0 to D13 rules should be applied:
*/
-sctp_disposition_t sctp_sf_do_asconf_ack(const struct sctp_endpoint *ep,
+sctp_disposition_t sctp_sf_do_asconf_ack(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type, void *arg,
sctp_cmd_seq_t *commands)
@@ -3668,7 +3704,7 @@ sctp_disposition_t sctp_sf_do_asconf_ack(const struct sctp_endpoint *ep,
if (!sctp_vtag_verify(asconf_ack, asoc)) {
sctp_add_cmd_sf(commands, SCTP_CMD_REPORT_BAD_TAG,
SCTP_NULL());
- return sctp_sf_pdiscard(ep, asoc, type, arg, commands);
+ return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);
}

/* ADD-IP, Section 4.1.2:
@@ -3678,11 +3714,11 @@ sctp_disposition_t sctp_sf_do_asconf_ack(const struct sctp_endpoint *ep,
* described in [I-D.ietf-tsvwg-sctp-auth].
*/
if (!sctp_addip_noauth && !asconf_ack->auth)
- return sctp_sf_discard_chunk(ep, asoc, type, arg, commands);
+ return sctp_sf_discard_chunk(net, ep, asoc, type, arg, commands);

/* Make sure that the ADDIP chunk has a valid length. */
if (!sctp_chunk_length_valid(asconf_ack, sizeof(sctp_addip_chunk_t)))
- return sctp_sf_violation_chunklen(ep, asoc, type, arg,
+ return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,
commands);

addip_hdr = (sctp_addiphdr_t *)asconf_ack->skb->data;
@@ -3693,7 +3729,7 @@ sctp_disposition_t sctp_sf_do_asconf_ack(const struct sctp_endpoint *ep,
(sctp_paramhdr_t *)addip_hdr->params,
(void *)asconf_ack->chunk_end,
&err_param))
- return sctp_sf_violation_paramlen(ep, asoc, type, arg,
+ return sctp_sf_violation_paramlen(net, ep, asoc, type, arg,
(void *)err_param, commands);

if (last_asconf) {
@@ -3711,7 +3747,6 @@ sctp_disposition_t sctp_sf_do_asconf_ack(const struct sctp_endpoint *ep,
*/
if (ADDIP_SERIAL_gte(rcvd_serial, sent_serial + 1) &&
!(asoc->addip_last_asconf)) {
- struct net *net;
abort = sctp_make_abort(asoc, asconf_ack,
sizeof(sctp_errhdr_t));
if (abort) {
@@ -3729,14 +3764,12 @@ sctp_disposition_t sctp_sf_do_asconf_ack(const struct sctp_endpoint *ep,
SCTP_ERROR(ECONNABORTED));
sctp_add_cmd_sf(commands, SCTP_CMD_ASSOC_FAILED,
SCTP_PERR(SCTP_ERROR_ASCONF_ACK));
- net = sock_net(asoc->base.sk);
SCTP_INC_STATS(net, SCTP_MIB_ABORTEDS);
SCTP_DEC_STATS(net, SCTP_MIB_CURRESTAB);
return SCTP_DISPOSITION_ABORT;
}

if ((rcvd_serial == sent_serial) && asoc->addip_last_asconf) {
- struct net *net;
sctp_add_cmd_sf(commands, SCTP_CMD_TIMER_STOP,
SCTP_TO(SCTP_EVENT_TIMEOUT_T4_RTO));

@@ -3765,7 +3798,6 @@ sctp_disposition_t sctp_sf_do_asconf_ack(const struct sctp_endpoint *ep,
SCTP_ERROR(ECONNABORTED));
sctp_add_cmd_sf(commands, SCTP_CMD_ASSOC_FAILED,
SCTP_PERR(SCTP_ERROR_ASCONF_ACK));
- net = sock_net(asoc->base.sk);
SCTP_INC_STATS(net, SCTP_MIB_ABORTEDS);
SCTP_DEC_STATS(net, SCTP_MIB_CURRESTAB);
return SCTP_DISPOSITION_ABORT;
@@ -3788,7 +3820,8 @@ sctp_disposition_t sctp_sf_do_asconf_ack(const struct sctp_endpoint *ep,
*
* The return value is the disposition of the chunk.
*/
-sctp_disposition_t sctp_sf_eat_fwd_tsn(const struct sctp_endpoint *ep,
+sctp_disposition_t sctp_sf_eat_fwd_tsn(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
@@ -3803,12 +3836,12 @@ sctp_disposition_t sctp_sf_eat_fwd_tsn(const struct sctp_endpoint *ep,
if (!sctp_vtag_verify(chunk, asoc)) {
sctp_add_cmd_sf(commands, SCTP_CMD_REPORT_BAD_TAG,
SCTP_NULL());
- return sctp_sf_pdiscard(ep, asoc, type, arg, commands);
+ return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);
}

/* Make sure that the FORWARD_TSN chunk has valid length. */
if (!sctp_chunk_length_valid(chunk, sizeof(struct sctp_fwdtsn_chunk)))
- return sctp_sf_violation_chunklen(ep, asoc, type, arg,
+ return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,
commands);

fwdtsn_hdr = (struct sctp_fwdtsn_hdr *)chunk->skb->data;
@@ -3855,6 +3888,7 @@ discard_noforce:
}

sctp_disposition_t sctp_sf_eat_fwd_tsn_fast(
+ struct net *net,
const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
@@ -3870,12 +3904,12 @@ sctp_disposition_t sctp_sf_eat_fwd_tsn_fast(
if (!sctp_vtag_verify(chunk, asoc)) {
sctp_add_cmd_sf(commands, SCTP_CMD_REPORT_BAD_TAG,
SCTP_NULL());
- return sctp_sf_pdiscard(ep, asoc, type, arg, commands);
+ return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);
}

/* Make sure that the FORWARD_TSN chunk has a valid length. */
if (!sctp_chunk_length_valid(chunk, sizeof(struct sctp_fwdtsn_chunk)))
- return sctp_sf_violation_chunklen(ep, asoc, type, arg,
+ return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,
commands);

fwdtsn_hdr = (struct sctp_fwdtsn_hdr *)chunk->skb->data;
@@ -3942,7 +3976,8 @@ gen_shutdown:
*
* The return value is the disposition of the chunk.
*/
-static sctp_ierror_t sctp_sf_authenticate(const struct sctp_endpoint *ep,
+static sctp_ierror_t sctp_sf_authenticate(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
struct sctp_chunk *chunk)
@@ -4015,7 +4050,8 @@ nomem:
return SCTP_IERROR_NOMEM;
}

-sctp_disposition_t sctp_sf_eat_auth(const struct sctp_endpoint *ep,
+sctp_disposition_t sctp_sf_eat_auth(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
@@ -4028,21 +4064,21 @@ sctp_disposition_t sctp_sf_eat_auth(const struct sctp_endpoint *ep,

/* Make sure that the peer has AUTH capable */
if (!asoc->peer.auth_capable)
- return sctp_sf_unk_chunk(ep, asoc, type, arg, commands);
+ return sctp_sf_unk_chunk(net, ep, asoc, type, arg, commands);

if (!sctp_vtag_verify(chunk, asoc)) {
sctp_add_cmd_sf(commands, SCTP_CMD_REPORT_BAD_TAG,
SCTP_NULL());
- return sctp_sf_pdiscard(ep, asoc, type, arg, commands);
+ return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);
}

/* Make sure that the AUTH chunk has valid length. */
if (!sctp_chunk_length_valid(chunk, sizeof(struct sctp_auth_chunk)))
- return sctp_sf_violation_chunklen(ep, asoc, type, arg,
+ return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,
commands);

auth_hdr = (struct sctp_authhdr *)chunk->skb->data;
- error = sctp_sf_authenticate(ep, asoc, type, chunk);
+ error = sctp_sf_authenticate(net, ep, asoc, type, chunk);
switch (error) {
case SCTP_IERROR_AUTH_BAD_HMAC:
/* Generate the ERROR chunk and discard the rest
@@ -4059,10 +4095,10 @@ sctp_disposition_t sctp_sf_eat_auth(const struct sctp_endpoint *ep,
/* Fall Through */
case SCTP_IERROR_AUTH_BAD_KEYID:
case SCTP_IERROR_BAD_SIG:
- return sctp_sf_pdiscard(ep, asoc, type, arg, commands);
+ return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);

case SCTP_IERROR_PROTO_VIOLATION:
- return sctp_sf_violation_chunklen(ep, asoc, type, arg,
+ return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,
commands);

case SCTP_IERROR_NOMEM:
@@ -4111,7 +4147,8 @@ sctp_disposition_t sctp_sf_eat_auth(const struct sctp_endpoint *ep,
*
* The return value is the disposition of the chunk.
*/
-sctp_disposition_t sctp_sf_unk_chunk(const struct sctp_endpoint *ep,
+sctp_disposition_t sctp_sf_unk_chunk(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
@@ -4124,20 +4161,20 @@ sctp_disposition_t sctp_sf_unk_chunk(const struct sctp_endpoint *ep,
SCTP_DEBUG_PRINTK("Processing the unknown chunk id %d.\n", type.chunk);

if (!sctp_vtag_verify(unk_chunk, asoc))
- return sctp_sf_pdiscard(ep, asoc, type, arg, commands);
+ return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);

/* Make sure that the chunk has a valid length.
* Since we don't know the chunk type, we use a general
* chunkhdr structure to make a comparison.
*/
if (!sctp_chunk_length_valid(unk_chunk, sizeof(sctp_chunkhdr_t)))
- return sctp_sf_violation_chunklen(ep, asoc, type, arg,
+ return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,
commands);

switch (type.chunk & SCTP_CID_ACTION_MASK) {
case SCTP_CID_ACTION_DISCARD:
/* Discard the packet. */
- return sctp_sf_pdiscard(ep, asoc, type, arg, commands);
+ return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);
break;
case SCTP_CID_ACTION_DISCARD_ERR:
/* Generate an ERROR chunk as response. */
@@ -4152,7 +4189,7 @@ sctp_disposition_t sctp_sf_unk_chunk(const struct sctp_endpoint *ep,
}

/* Discard the packet. */
- sctp_sf_pdiscard(ep, asoc, type, arg, commands);
+ sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);
return SCTP_DISPOSITION_CONSUME;
break;
case SCTP_CID_ACTION_SKIP:
@@ -4194,7 +4231,8 @@ sctp_disposition_t sctp_sf_unk_chunk(const struct sctp_endpoint *ep,
*
* The return value is the disposition of the chunk.
*/
-sctp_disposition_t sctp_sf_discard_chunk(const struct sctp_endpoint *ep,
+sctp_disposition_t sctp_sf_discard_chunk(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
@@ -4207,7 +4245,7 @@ sctp_disposition_t sctp_sf_discard_chunk(const struct sctp_endpoint *ep,
* chunkhdr structure to make a comparison.
*/
if (!sctp_chunk_length_valid(chunk, sizeof(sctp_chunkhdr_t)))
- return sctp_sf_violation_chunklen(ep, asoc, type, arg,
+ return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,
commands);

SCTP_DEBUG_PRINTK("Chunk %d is discarded\n", type.chunk);
@@ -4232,13 +4270,14 @@ sctp_disposition_t sctp_sf_discard_chunk(const struct sctp_endpoint *ep,
*
* The return value is the disposition of the chunk.
*/
-sctp_disposition_t sctp_sf_pdiscard(const struct sctp_endpoint *ep,
+sctp_disposition_t sctp_sf_pdiscard(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
sctp_cmd_seq_t *commands)
{
- SCTP_INC_STATS(sock_net(asoc->base.sk), SCTP_MIB_IN_PKT_DISCARDS);
+ SCTP_INC_STATS(net, SCTP_MIB_IN_PKT_DISCARDS);
sctp_add_cmd_sf(commands, SCTP_CMD_DISCARD_PACKET, SCTP_NULL());

return SCTP_DISPOSITION_CONSUME;
@@ -4259,7 +4298,8 @@ sctp_disposition_t sctp_sf_pdiscard(const struct sctp_endpoint *ep,
* We simply tag the chunk as a violation. The state machine will log
* the violation and continue.
*/
-sctp_disposition_t sctp_sf_violation(const struct sctp_endpoint *ep,
+sctp_disposition_t sctp_sf_violation(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
@@ -4269,7 +4309,7 @@ sctp_disposition_t sctp_sf_violation(const struct sctp_endpoint *ep,

/* Make sure that the chunk has a valid length. */
if (!sctp_chunk_length_valid(chunk, sizeof(sctp_chunkhdr_t)))
- return sctp_sf_violation_chunklen(ep, asoc, type, arg,
+ return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,
commands);

return SCTP_DISPOSITION_VIOLATION;
@@ -4279,6 +4319,7 @@ sctp_disposition_t sctp_sf_violation(const struct sctp_endpoint *ep,
* Common function to handle a protocol violation.
*/
static sctp_disposition_t sctp_sf_abort_violation(
+ struct net *net,
const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
void *arg,
@@ -4289,7 +4330,6 @@ static sctp_disposition_t sctp_sf_abort_violation(
struct sctp_packet *packet = NULL;
struct sctp_chunk *chunk = arg;
struct sctp_chunk *abort = NULL;
- struct net *net;

/* SCTP-AUTH, Section 6.3:
* It should be noted that if the receiver wants to tear
@@ -4310,7 +4350,6 @@ static sctp_disposition_t sctp_sf_abort_violation(
if (!abort)
goto nomem;

- net = sock_net(ep->base.sk);
if (asoc) {
/* Treat INIT-ACK as a special case during COOKIE-WAIT. */
if (chunk->chunk_hdr->type == SCTP_CID_INIT_ACK &&
@@ -4369,7 +4408,7 @@ static sctp_disposition_t sctp_sf_abort_violation(
SCTP_INC_STATS(net, SCTP_MIB_ABORTEDS);

discard:
- sctp_sf_pdiscard(ep, asoc, SCTP_ST_CHUNK(0), arg, commands);
+ sctp_sf_pdiscard(net, ep, asoc, SCTP_ST_CHUNK(0), arg, commands);
return SCTP_DISPOSITION_ABORT;

nomem_pkt:
@@ -4398,6 +4437,7 @@ nomem:
* Generate an ABORT chunk and terminate the association.
*/
static sctp_disposition_t sctp_sf_violation_chunklen(
+ struct net *net,
const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
@@ -4406,7 +4446,7 @@ static sctp_disposition_t sctp_sf_violation_chunklen(
{
static const char err_str[]="The following chunk had invalid length:";

- return sctp_sf_abort_violation(ep, asoc, arg, commands, err_str,
+ return sctp_sf_abort_violation(net, ep, asoc, arg, commands, err_str,
sizeof(err_str));
}

@@ -4417,6 +4457,7 @@ static sctp_disposition_t sctp_sf_violation_chunklen(
* the length is considered as invalid.
*/
static sctp_disposition_t sctp_sf_violation_paramlen(
+ struct net *net,
const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
@@ -4426,7 +4467,6 @@ static sctp_disposition_t sctp_sf_violation_paramlen(
struct sctp_chunk *chunk = arg;
struct sctp_paramhdr *param = ext;
struct sctp_chunk *abort = NULL;
- struct net *net;

if (sctp_auth_recv_cid(SCTP_CID_ABORT, asoc))
goto discard;
@@ -4436,7 +4476,6 @@ static sctp_disposition_t sctp_sf_violation_paramlen(
if (!abort)
goto nomem;

- net = sock_net(asoc->base.sk);
sctp_add_cmd_sf(commands, SCTP_CMD_REPLY, SCTP_CHUNK(abort));
SCTP_INC_STATS(net, SCTP_MIB_OUTCTRLCHUNKS);

@@ -4448,7 +4487,7 @@ static sctp_disposition_t sctp_sf_violation_paramlen(
SCTP_INC_STATS(net, SCTP_MIB_ABORTEDS);

discard:
- sctp_sf_pdiscard(ep, asoc, SCTP_ST_CHUNK(0), arg, commands);
+ sctp_sf_pdiscard(net, ep, asoc, SCTP_ST_CHUNK(0), arg, commands);
return SCTP_DISPOSITION_ABORT;
nomem:
return SCTP_DISPOSITION_NOMEM;
@@ -4461,6 +4500,7 @@ nomem:
* error code.
*/
static sctp_disposition_t sctp_sf_violation_ctsn(
+ struct net *net,
const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
@@ -4469,7 +4509,7 @@ static sctp_disposition_t sctp_sf_violation_ctsn(
{
static const char err_str[]="The cumulative tsn ack beyond the max tsn currently sent:";

- return sctp_sf_abort_violation(ep, asoc, arg, commands, err_str,
+ return sctp_sf_abort_violation(net, ep, asoc, arg, commands, err_str,
sizeof(err_str));
}

@@ -4480,6 +4520,7 @@ static sctp_disposition_t sctp_sf_violation_ctsn(
* on the path and we may not want to continue this communication.
*/
static sctp_disposition_t sctp_sf_violation_chunk(
+ struct net *net,
const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
@@ -4489,9 +4530,9 @@ static sctp_disposition_t sctp_sf_violation_chunk(
static const char err_str[]="The following chunk violates protocol:";

if (!asoc)
- return sctp_sf_violation(ep, asoc, type, arg, commands);
+ return sctp_sf_violation(net, ep, asoc, type, arg, commands);

- return sctp_sf_abort_violation(ep, asoc, arg, commands, err_str,
+ return sctp_sf_abort_violation(net, ep, asoc, arg, commands, err_str,
sizeof(err_str));
}
/***************************************************************************
@@ -4554,7 +4595,8 @@ static sctp_disposition_t sctp_sf_violation_chunk(
*
* The return value is a disposition.
*/
-sctp_disposition_t sctp_sf_do_prm_asoc(const struct sctp_endpoint *ep,
+sctp_disposition_t sctp_sf_do_prm_asoc(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
@@ -4665,7 +4707,8 @@ nomem:
*
* The return value is the disposition.
*/
-sctp_disposition_t sctp_sf_do_prm_send(const struct sctp_endpoint *ep,
+sctp_disposition_t sctp_sf_do_prm_send(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
@@ -4704,6 +4747,7 @@ sctp_disposition_t sctp_sf_do_prm_send(const struct sctp_endpoint *ep,
* The return value is the disposition.
*/
sctp_disposition_t sctp_sf_do_9_2_prm_shutdown(
+ struct net *net,
const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
@@ -4725,7 +4769,7 @@ sctp_disposition_t sctp_sf_do_9_2_prm_shutdown(

disposition = SCTP_DISPOSITION_CONSUME;
if (sctp_outq_is_empty(&asoc->outqueue)) {
- disposition = sctp_sf_do_9_2_start_shutdown(ep, asoc, type,
+ disposition = sctp_sf_do_9_2_start_shutdown(net, ep, asoc, type,
arg, commands);
}
return disposition;
@@ -4759,6 +4803,7 @@ sctp_disposition_t sctp_sf_do_9_2_prm_shutdown(
* The return value is the disposition.
*/
sctp_disposition_t sctp_sf_do_9_1_prm_abort(
+ struct net *net,
const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
@@ -4775,7 +4820,6 @@ sctp_disposition_t sctp_sf_do_9_1_prm_abort(
*/
struct sctp_chunk *abort = arg;
sctp_disposition_t retval;
- struct net *net;

retval = SCTP_DISPOSITION_CONSUME;

@@ -4791,7 +4835,6 @@ sctp_disposition_t sctp_sf_do_9_1_prm_abort(
sctp_add_cmd_sf(commands, SCTP_CMD_ASSOC_FAILED,
SCTP_PERR(SCTP_ERROR_USER_ABORT));

- net = sock_net(asoc->base.sk);
SCTP_INC_STATS(net, SCTP_MIB_ABORTEDS);
SCTP_DEC_STATS(net, SCTP_MIB_CURRESTAB);

@@ -4799,7 +4842,8 @@ sctp_disposition_t sctp_sf_do_9_1_prm_abort(
}

/* We tried an illegal operation on an association which is closed. */
-sctp_disposition_t sctp_sf_error_closed(const struct sctp_endpoint *ep,
+sctp_disposition_t sctp_sf_error_closed(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
@@ -4812,7 +4856,8 @@ sctp_disposition_t sctp_sf_error_closed(const struct sctp_endpoint *ep,
/* We tried an illegal operation on an association which is shutting
* down.
*/
-sctp_disposition_t sctp_sf_error_shutdown(const struct sctp_endpoint *ep,
+sctp_disposition_t sctp_sf_error_shutdown(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
@@ -4838,14 +4883,13 @@ sctp_disposition_t sctp_sf_error_shutdown(const struct sctp_endpoint *ep,
* (timers)
*/
sctp_disposition_t sctp_sf_cookie_wait_prm_shutdown(
+ struct net *net,
const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
sctp_cmd_seq_t *commands)
{
- struct net *net = sock_net(asoc->base.sk);
-
sctp_add_cmd_sf(commands, SCTP_CMD_TIMER_STOP,
SCTP_TO(SCTP_EVENT_TIMEOUT_T1_INIT));

@@ -4874,6 +4918,7 @@ sctp_disposition_t sctp_sf_cookie_wait_prm_shutdown(
* (timers)
*/
sctp_disposition_t sctp_sf_cookie_echoed_prm_shutdown(
+ struct net *net,
const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
@@ -4882,7 +4927,7 @@ sctp_disposition_t sctp_sf_cookie_echoed_prm_shutdown(
/* There is a single T1 timer, so we should be able to use
* common function with the COOKIE-WAIT state.
*/
- return sctp_sf_cookie_wait_prm_shutdown(ep, asoc, type, arg, commands);
+ return sctp_sf_cookie_wait_prm_shutdown(net, ep, asoc, type, arg, commands);
}

/*
@@ -4900,6 +4945,7 @@ sctp_disposition_t sctp_sf_cookie_echoed_prm_shutdown(
* (timers)
*/
sctp_disposition_t sctp_sf_cookie_wait_prm_abort(
+ struct net *net,
const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
@@ -4908,7 +4954,6 @@ sctp_disposition_t sctp_sf_cookie_wait_prm_abort(
{
struct sctp_chunk *abort = arg;
sctp_disposition_t retval;
- struct net *net = sock_net(asoc->base.sk);

/* Stop T1-init timer */
sctp_add_cmd_sf(commands, SCTP_CMD_TIMER_STOP,
@@ -4950,6 +4995,7 @@ sctp_disposition_t sctp_sf_cookie_wait_prm_abort(
* (timers)
*/
sctp_disposition_t sctp_sf_cookie_echoed_prm_abort(
+ struct net *net,
const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
@@ -4959,7 +5005,7 @@ sctp_disposition_t sctp_sf_cookie_echoed_prm_abort(
/* There is a single T1 timer, so we should be able to use
* common function with the COOKIE-WAIT state.
*/
- return sctp_sf_cookie_wait_prm_abort(ep, asoc, type, arg, commands);
+ return sctp_sf_cookie_wait_prm_abort(net, ep, asoc, type, arg, commands);
}

/*
@@ -4975,6 +5021,7 @@ sctp_disposition_t sctp_sf_cookie_echoed_prm_abort(
* (timers)
*/
sctp_disposition_t sctp_sf_shutdown_pending_prm_abort(
+ struct net *net,
const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
@@ -4985,7 +5032,7 @@ sctp_disposition_t sctp_sf_shutdown_pending_prm_abort(
sctp_add_cmd_sf(commands, SCTP_CMD_TIMER_STOP,
SCTP_TO(SCTP_EVENT_TIMEOUT_T5_SHUTDOWN_GUARD));

- return sctp_sf_do_9_1_prm_abort(ep, asoc, type, arg, commands);
+ return sctp_sf_do_9_1_prm_abort(net, ep, asoc, type, arg, commands);
}

/*
@@ -5001,6 +5048,7 @@ sctp_disposition_t sctp_sf_shutdown_pending_prm_abort(
* (timers)
*/
sctp_disposition_t sctp_sf_shutdown_sent_prm_abort(
+ struct net *net,
const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
@@ -5015,7 +5063,7 @@ sctp_disposition_t sctp_sf_shutdown_sent_prm_abort(
sctp_add_cmd_sf(commands, SCTP_CMD_TIMER_STOP,
SCTP_TO(SCTP_EVENT_TIMEOUT_T5_SHUTDOWN_GUARD));

- return sctp_sf_do_9_1_prm_abort(ep, asoc, type, arg, commands);
+ return sctp_sf_do_9_1_prm_abort(net, ep, asoc, type, arg, commands);
}

/*
@@ -5031,6 +5079,7 @@ sctp_disposition_t sctp_sf_shutdown_sent_prm_abort(
* (timers)
*/
sctp_disposition_t sctp_sf_shutdown_ack_sent_prm_abort(
+ struct net *net,
const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
@@ -5040,7 +5089,7 @@ sctp_disposition_t sctp_sf_shutdown_ack_sent_prm_abort(
/* The same T2 timer, so we should be able to use
* common function with the SHUTDOWN-SENT state.
*/
- return sctp_sf_shutdown_sent_prm_abort(ep, asoc, type, arg, commands);
+ return sctp_sf_shutdown_sent_prm_abort(net, ep, asoc, type, arg, commands);
}

/*
@@ -5066,6 +5115,7 @@ sctp_disposition_t sctp_sf_shutdown_ack_sent_prm_abort(
* association on which a heartbeat should be issued.
*/
sctp_disposition_t sctp_sf_do_prm_requestheartbeat(
+ struct net *net,
const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
@@ -5097,7 +5147,8 @@ sctp_disposition_t sctp_sf_do_prm_requestheartbeat(
* When an endpoint has an ASCONF signaled change to be sent to the
* remote endpoint it should do A1 to A9
*/
-sctp_disposition_t sctp_sf_do_prm_asconf(const struct sctp_endpoint *ep,
+sctp_disposition_t sctp_sf_do_prm_asconf(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
@@ -5118,6 +5169,7 @@ sctp_disposition_t sctp_sf_do_prm_asconf(const struct sctp_endpoint *ep,
* The return value is the disposition of the primitive.
*/
sctp_disposition_t sctp_sf_ignore_primitive(
+ struct net *net,
const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
@@ -5139,6 +5191,7 @@ sctp_disposition_t sctp_sf_ignore_primitive(
* retransmit, the stack will immediately send up this notification.
*/
sctp_disposition_t sctp_sf_do_no_pending_tsn(
+ struct net *net,
const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
@@ -5170,6 +5223,7 @@ sctp_disposition_t sctp_sf_do_no_pending_tsn(
* The return value is the disposition.
*/
sctp_disposition_t sctp_sf_do_9_2_start_shutdown(
+ struct net *net,
const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
@@ -5239,6 +5293,7 @@ nomem:
* The return value is the disposition.
*/
sctp_disposition_t sctp_sf_do_9_2_shutdown_ack(
+ struct net *net,
const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
@@ -5257,11 +5312,11 @@ sctp_disposition_t sctp_sf_do_9_2_shutdown_ack(
*/
if (chunk) {
if (!sctp_vtag_verify(chunk, asoc))
- return sctp_sf_pdiscard(ep, asoc, type, arg, commands);
+ return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);

/* Make sure that the SHUTDOWN chunk has a valid length. */
if (!sctp_chunk_length_valid(chunk, sizeof(struct sctp_shutdown_chunk_t)))
- return sctp_sf_violation_chunklen(ep, asoc, type, arg,
+ return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,
commands);
}

@@ -5309,7 +5364,8 @@ nomem:
*
* The return value is the disposition of the event.
*/
-sctp_disposition_t sctp_sf_ignore_other(const struct sctp_endpoint *ep,
+sctp_disposition_t sctp_sf_ignore_other(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
@@ -5334,14 +5390,14 @@ sctp_disposition_t sctp_sf_ignore_other(const struct sctp_endpoint *ep,
*
* The return value is the disposition of the chunk.
*/
-sctp_disposition_t sctp_sf_do_6_3_3_rtx(const struct sctp_endpoint *ep,
+sctp_disposition_t sctp_sf_do_6_3_3_rtx(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
sctp_cmd_seq_t *commands)
{
struct sctp_transport *transport = arg;
- struct net *net = sock_net(asoc->base.sk);

SCTP_INC_STATS(net, SCTP_MIB_T3_RTX_EXPIREDS);

@@ -5421,13 +5477,13 @@ sctp_disposition_t sctp_sf_do_6_3_3_rtx(const struct sctp_endpoint *ep,
* allow. However, an SCTP transmitter MUST NOT be more aggressive than
* the following algorithms allow.
*/
-sctp_disposition_t sctp_sf_do_6_2_sack(const struct sctp_endpoint *ep,
+sctp_disposition_t sctp_sf_do_6_2_sack(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
sctp_cmd_seq_t *commands)
{
- struct net *net = sock_net(asoc->base.sk);
SCTP_INC_STATS(net, SCTP_MIB_DELAY_SACK_EXPIREDS);
sctp_add_cmd_sf(commands, SCTP_CMD_GEN_SACK, SCTP_FORCE());
return SCTP_DISPOSITION_CONSUME;
@@ -5452,7 +5508,8 @@ sctp_disposition_t sctp_sf_do_6_2_sack(const struct sctp_endpoint *ep,
* (timers, events)
*
*/
-sctp_disposition_t sctp_sf_t1_init_timer_expire(const struct sctp_endpoint *ep,
+sctp_disposition_t sctp_sf_t1_init_timer_expire(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
@@ -5461,7 +5518,6 @@ sctp_disposition_t sctp_sf_t1_init_timer_expire(const struct sctp_endpoint *ep,
struct sctp_chunk *repl = NULL;
struct sctp_bind_addr *bp;
int attempts = asoc->init_err_counter + 1;
- struct net *net = sock_net(asoc->base.sk);

SCTP_DEBUG_PRINTK("Timer T1 expired (INIT).\n");
SCTP_INC_STATS(net, SCTP_MIB_T1_INIT_EXPIREDS);
@@ -5514,7 +5570,8 @@ sctp_disposition_t sctp_sf_t1_init_timer_expire(const struct sctp_endpoint *ep,
* (timers, events)
*
*/
-sctp_disposition_t sctp_sf_t1_cookie_timer_expire(const struct sctp_endpoint *ep,
+sctp_disposition_t sctp_sf_t1_cookie_timer_expire(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
@@ -5522,7 +5579,6 @@ sctp_disposition_t sctp_sf_t1_cookie_timer_expire(const struct sctp_endpoint *ep
{
struct sctp_chunk *repl = NULL;
int attempts = asoc->init_err_counter + 1;
- struct net *net = sock_net(asoc->base.sk);

SCTP_DEBUG_PRINTK("Timer T1 expired (COOKIE-ECHO).\n");
SCTP_INC_STATS(net, SCTP_MIB_T1_COOKIE_EXPIREDS);
@@ -5563,14 +5619,14 @@ sctp_disposition_t sctp_sf_t1_cookie_timer_expire(const struct sctp_endpoint *ep
* the T2-Shutdown timer, giving its peer ample opportunity to transmit
* all of its queued DATA chunks that have not yet been sent.
*/
-sctp_disposition_t sctp_sf_t2_timer_expire(const struct sctp_endpoint *ep,
+sctp_disposition_t sctp_sf_t2_timer_expire(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
sctp_cmd_seq_t *commands)
{
struct sctp_chunk *reply = NULL;
- struct net *net = sock_net(asoc->base.sk);

SCTP_DEBUG_PRINTK("Timer T2 expired.\n");
SCTP_INC_STATS(net, SCTP_MIB_T2_SHUTDOWN_EXPIREDS);
@@ -5633,6 +5689,7 @@ nomem:
* If the T4 RTO timer expires the endpoint should do B1 to B5
*/
sctp_disposition_t sctp_sf_t4_timer_expire(
+ struct net *net,
const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
@@ -5641,7 +5698,6 @@ sctp_disposition_t sctp_sf_t4_timer_expire(
{
struct sctp_chunk *chunk = asoc->addip_last_asconf;
struct sctp_transport *transport = chunk->transport;
- struct net *net = sock_net(asoc->base.sk);

SCTP_INC_STATS(net, SCTP_MIB_T4_RTO_EXPIREDS);

@@ -5704,14 +5760,14 @@ sctp_disposition_t sctp_sf_t4_timer_expire(
* At the expiration of this timer the sender SHOULD abort the association
* by sending an ABORT chunk.
*/
-sctp_disposition_t sctp_sf_t5_timer_expire(const struct sctp_endpoint *ep,
+sctp_disposition_t sctp_sf_t5_timer_expire(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
sctp_cmd_seq_t *commands)
{
struct sctp_chunk *reply = NULL;
- struct net *net = sock_net(asoc->base.sk);

SCTP_DEBUG_PRINTK("Timer T5 expired.\n");
SCTP_INC_STATS(net, SCTP_MIB_T5_SHUTDOWN_GUARD_EXPIREDS);
@@ -5740,13 +5796,13 @@ nomem:
* the user. So this routine looks same as sctp_sf_do_9_2_prm_shutdown().
*/
sctp_disposition_t sctp_sf_autoclose_timer_expire(
+ struct net *net,
const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
sctp_cmd_seq_t *commands)
{
- struct net *net = sock_net(asoc->base.sk);
int disposition;

SCTP_INC_STATS(net, SCTP_MIB_AUTOCLOSE_EXPIREDS);
@@ -5764,7 +5820,7 @@ sctp_disposition_t sctp_sf_autoclose_timer_expire(

disposition = SCTP_DISPOSITION_CONSUME;
if (sctp_outq_is_empty(&asoc->outqueue)) {
- disposition = sctp_sf_do_9_2_start_shutdown(ep, asoc, type,
+ disposition = sctp_sf_do_9_2_start_shutdown(net, ep, asoc, type,
arg, commands);
}
return disposition;
@@ -5782,7 +5838,8 @@ sctp_disposition_t sctp_sf_autoclose_timer_expire(
*
* The return value is the disposition of the chunk.
*/
-sctp_disposition_t sctp_sf_not_impl(const struct sctp_endpoint *ep,
+sctp_disposition_t sctp_sf_not_impl(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
@@ -5799,7 +5856,8 @@ sctp_disposition_t sctp_sf_not_impl(const struct sctp_endpoint *ep,
*
* The return value is the disposition of the chunk.
*/
-sctp_disposition_t sctp_sf_bug(const struct sctp_endpoint *ep,
+sctp_disposition_t sctp_sf_bug(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
@@ -5819,7 +5877,8 @@ sctp_disposition_t sctp_sf_bug(const struct sctp_endpoint *ep,
*
* The return value is the disposition of the chunk.
*/
-sctp_disposition_t sctp_sf_timer_ignore(const struct sctp_endpoint *ep,
+sctp_disposition_t sctp_sf_timer_ignore(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
@@ -5861,7 +5920,8 @@ static struct sctp_sackhdr *sctp_sm_pull_sack(struct sctp_chunk *chunk)
/* Create an ABORT packet to be sent as a response, with the specified
* error causes.
*/
-static struct sctp_packet *sctp_abort_pkt_new(const struct sctp_endpoint *ep,
+static struct sctp_packet *sctp_abort_pkt_new(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
struct sctp_chunk *chunk,
const void *payload,
@@ -5869,9 +5929,7 @@ static struct sctp_packet *sctp_abort_pkt_new(const struct sctp_endpoint *ep,
{
struct sctp_packet *packet;
struct sctp_chunk *abort;
- struct net *net;

- net = sock_net(ep->base.sk);
packet = sctp_ootb_pkt_new(net, asoc, chunk);

if (packet) {
@@ -5984,7 +6042,8 @@ void sctp_ootb_pkt_free(struct sctp_packet *packet)
}

/* Send a stale cookie error when a invalid COOKIE ECHO chunk is found */
-static void sctp_send_stale_cookie_err(const struct sctp_endpoint *ep,
+static void sctp_send_stale_cookie_err(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const struct sctp_chunk *chunk,
sctp_cmd_seq_t *commands,
@@ -5993,7 +6052,6 @@ static void sctp_send_stale_cookie_err(const struct sctp_endpoint *ep,
struct sctp_packet *packet;

if (err_chunk) {
- struct net *net = sock_net(ep->base.sk);
packet = sctp_ootb_pkt_new(net, asoc, chunk);
if (packet) {
struct sctp_signed_cookie *cookie;
@@ -6027,7 +6085,7 @@ static int sctp_eat_data(const struct sctp_association *asoc,
__u32 tsn;
struct sctp_tsnmap *map = (struct sctp_tsnmap *)&asoc->peer.tsn_map;
struct sock *sk = asoc->base.sk;
- struct net *net;
+ struct net *net = sock_net(sk);
u16 ssn;
u16 sid;
u8 ordered = 0;
@@ -6144,7 +6202,6 @@ static int sctp_eat_data(const struct sctp_association *asoc,
* No User Data: This error cause is returned to the originator of a
* DATA chunk if a received DATA chunk has no user data.
*/
- net = sock_net(sk);
if (unlikely(0 == datalen)) {
err = sctp_make_abort_no_data(asoc, chunk, tsn);
if (err) {
--
1.7.5.4


\
 
 \ /
  Last update: 2012-08-07 20:02    [from the cache]
©2003-2014 Jasper Spaans. Advertise on this site