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Diffstat (limited to 'net')
-rw-r--r--net/bluetooth/hci_sysfs.c6
-rw-r--r--net/core/drop_monitor.c2
-rw-r--r--net/core/net-traces.c4
-rw-r--r--net/core/skbuff.c2
-rw-r--r--net/netfilter/nf_conntrack_proto_dccp.c4
-rw-r--r--net/netfilter/nf_conntrack_proto_tcp.c18
-rw-r--r--net/netfilter/nfnetlink_log.c6
-rw-r--r--net/netfilter/xt_hashlimit.c2
-rw-r--r--net/sched/cls_api.c23
-rw-r--r--net/sched/cls_cgroup.c25
-rw-r--r--net/sunrpc/svcsock.c35
-rw-r--r--net/sunrpc/xprtrdma/svc_rdma_sendto.c12
-rw-r--r--net/sunrpc/xprtrdma/svc_rdma_transport.c10
13 files changed, 103 insertions, 46 deletions
diff --git a/net/bluetooth/hci_sysfs.c b/net/bluetooth/hci_sysfs.c
index 4cc3624bd22..95f7a7a544b 100644
--- a/net/bluetooth/hci_sysfs.c
+++ b/net/bluetooth/hci_sysfs.c
@@ -90,9 +90,6 @@ static void add_conn(struct work_struct *work)
struct hci_conn *conn = container_of(work, struct hci_conn, work_add);
struct hci_dev *hdev = conn->hdev;
- /* ensure previous del is complete */
- flush_work(&conn->work_del);
-
dev_set_name(&conn->dev, "%s:%d", hdev->name, conn->handle);
if (device_add(&conn->dev) < 0) {
@@ -118,9 +115,6 @@ static void del_conn(struct work_struct *work)
struct hci_conn *conn = container_of(work, struct hci_conn, work_del);
struct hci_dev *hdev = conn->hdev;
- /* ensure previous add is complete */
- flush_work(&conn->work_add);
-
if (!device_is_registered(&conn->dev))
return;
diff --git a/net/core/drop_monitor.c b/net/core/drop_monitor.c
index 9fd0dc3cca9..b75b6cea49d 100644
--- a/net/core/drop_monitor.c
+++ b/net/core/drop_monitor.c
@@ -23,7 +23,7 @@
#include <linux/bitops.h>
#include <net/genetlink.h>
-#include <trace/skb.h>
+#include <trace/events/skb.h>
#include <asm/unaligned.h>
diff --git a/net/core/net-traces.c b/net/core/net-traces.c
index c8fb45665e4..499a67eaf3a 100644
--- a/net/core/net-traces.c
+++ b/net/core/net-traces.c
@@ -19,11 +19,11 @@
#include <linux/workqueue.h>
#include <linux/netlink.h>
#include <linux/net_dropmon.h>
-#include <trace/skb.h>
#include <asm/unaligned.h>
#include <asm/bitops.h>
+#define CREATE_TRACE_POINTS
+#include <trace/events/skb.h>
-DEFINE_TRACE(kfree_skb);
EXPORT_TRACEPOINT_SYMBOL_GPL(kfree_skb);
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index e505b5392e1..c2e4fb8f354 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -65,7 +65,7 @@
#include <asm/uaccess.h>
#include <asm/system.h>
-#include <trace/skb.h>
+#include <trace/events/skb.h>
#include "kmap_skb.h"
diff --git a/net/netfilter/nf_conntrack_proto_dccp.c b/net/netfilter/nf_conntrack_proto_dccp.c
index 8e757dd5339..aee0d6bea30 100644
--- a/net/netfilter/nf_conntrack_proto_dccp.c
+++ b/net/netfilter/nf_conntrack_proto_dccp.c
@@ -22,6 +22,7 @@
#include <linux/netfilter/nfnetlink_conntrack.h>
#include <net/netfilter/nf_conntrack.h>
#include <net/netfilter/nf_conntrack_l4proto.h>
+#include <net/netfilter/nf_conntrack_ecache.h>
#include <net/netfilter/nf_log.h>
static DEFINE_RWLOCK(dccp_lock);
@@ -553,6 +554,9 @@ static int dccp_packet(struct nf_conn *ct, const struct sk_buff *skb,
ct->proto.dccp.state = new_state;
write_unlock_bh(&dccp_lock);
+ if (new_state != old_state)
+ nf_conntrack_event_cache(IPCT_PROTOINFO, ct);
+
dn = dccp_pernet(net);
nf_ct_refresh_acct(ct, ctinfo, skb, dn->dccp_timeout[new_state]);
diff --git a/net/netfilter/nf_conntrack_proto_tcp.c b/net/netfilter/nf_conntrack_proto_tcp.c
index b5ccf2b4b2e..97a6e93d742 100644
--- a/net/netfilter/nf_conntrack_proto_tcp.c
+++ b/net/netfilter/nf_conntrack_proto_tcp.c
@@ -634,6 +634,14 @@ static bool tcp_in_window(const struct nf_conn *ct,
sender->td_end = end;
sender->flags |= IP_CT_TCP_FLAG_DATA_UNACKNOWLEDGED;
}
+ if (tcph->ack) {
+ if (!(sender->flags & IP_CT_TCP_FLAG_MAXACK_SET)) {
+ sender->td_maxack = ack;
+ sender->flags |= IP_CT_TCP_FLAG_MAXACK_SET;
+ } else if (after(ack, sender->td_maxack))
+ sender->td_maxack = ack;
+ }
+
/*
* Update receiver data.
*/
@@ -919,6 +927,16 @@ static int tcp_packet(struct nf_conn *ct,
return -NF_ACCEPT;
case TCP_CONNTRACK_CLOSE:
if (index == TCP_RST_SET
+ && (ct->proto.tcp.seen[!dir].flags & IP_CT_TCP_FLAG_MAXACK_SET)
+ && before(ntohl(th->seq), ct->proto.tcp.seen[!dir].td_maxack)) {
+ /* Invalid RST */
+ write_unlock_bh(&tcp_lock);
+ if (LOG_INVALID(net, IPPROTO_TCP))
+ nf_log_packet(pf, 0, skb, NULL, NULL, NULL,
+ "nf_ct_tcp: invalid RST ");
+ return -NF_ACCEPT;
+ }
+ if (index == TCP_RST_SET
&& ((test_bit(IPS_SEEN_REPLY_BIT, &ct->status)
&& ct->proto.tcp.last_index == TCP_SYN_SET)
|| (!test_bit(IPS_ASSURED_BIT, &ct->status)
diff --git a/net/netfilter/nfnetlink_log.c b/net/netfilter/nfnetlink_log.c
index fd326ac27ec..66a6dd5c519 100644
--- a/net/netfilter/nfnetlink_log.c
+++ b/net/netfilter/nfnetlink_log.c
@@ -581,6 +581,12 @@ nfulnl_log_packet(u_int8_t pf,
+ nla_total_size(sizeof(struct nfulnl_msg_packet_hw))
+ nla_total_size(sizeof(struct nfulnl_msg_packet_timestamp));
+ if (in && skb_mac_header_was_set(skb)) {
+ size += nla_total_size(skb->dev->hard_header_len)
+ + nla_total_size(sizeof(u_int16_t)) /* hwtype */
+ + nla_total_size(sizeof(u_int16_t)); /* hwlen */
+ }
+
spin_lock_bh(&inst->lock);
if (inst->flags & NFULNL_CFG_F_SEQ)
diff --git a/net/netfilter/xt_hashlimit.c b/net/netfilter/xt_hashlimit.c
index a5b5369c30f..219dcdbe388 100644
--- a/net/netfilter/xt_hashlimit.c
+++ b/net/netfilter/xt_hashlimit.c
@@ -926,7 +926,7 @@ static int dl_seq_show(struct seq_file *s, void *v)
if (!hlist_empty(&htable->hash[*bucket])) {
hlist_for_each_entry(ent, pos, &htable->hash[*bucket], node)
if (dl_seq_real_show(ent, htable->family, s))
- return 1;
+ return -1;
}
return 0;
}
diff --git a/net/sched/cls_api.c b/net/sched/cls_api.c
index 0759f32e9dc..09cdcdfe7e9 100644
--- a/net/sched/cls_api.c
+++ b/net/sched/cls_api.c
@@ -135,6 +135,7 @@ static int tc_ctl_tfilter(struct sk_buff *skb, struct nlmsghdr *n, void *arg)
unsigned long cl;
unsigned long fh;
int err;
+ int tp_created = 0;
if (net != &init_net)
return -EINVAL;
@@ -266,10 +267,7 @@ replay:
goto errout;
}
- spin_lock_bh(root_lock);
- tp->next = *back;
- *back = tp;
- spin_unlock_bh(root_lock);
+ tp_created = 1;
} else if (tca[TCA_KIND] && nla_strcmp(tca[TCA_KIND], tp->ops->kind))
goto errout;
@@ -296,8 +294,11 @@ replay:
switch (n->nlmsg_type) {
case RTM_NEWTFILTER:
err = -EEXIST;
- if (n->nlmsg_flags & NLM_F_EXCL)
+ if (n->nlmsg_flags & NLM_F_EXCL) {
+ if (tp_created)
+ tcf_destroy(tp);
goto errout;
+ }
break;
case RTM_DELTFILTER:
err = tp->ops->delete(tp, fh);
@@ -314,8 +315,18 @@ replay:
}
err = tp->ops->change(tp, cl, t->tcm_handle, tca, &fh);
- if (err == 0)
+ if (err == 0) {
+ if (tp_created) {
+ spin_lock_bh(root_lock);
+ tp->next = *back;
+ *back = tp;
+ spin_unlock_bh(root_lock);
+ }
tfilter_notify(skb, n, tp, fh, RTM_NEWTFILTER);
+ } else {
+ if (tp_created)
+ tcf_destroy(tp);
+ }
errout:
if (cl)
diff --git a/net/sched/cls_cgroup.c b/net/sched/cls_cgroup.c
index 91a3db4a76f..e5becb92b3e 100644
--- a/net/sched/cls_cgroup.c
+++ b/net/sched/cls_cgroup.c
@@ -104,8 +104,7 @@ static int cls_cgroup_classify(struct sk_buff *skb, struct tcf_proto *tp,
struct tcf_result *res)
{
struct cls_cgroup_head *head = tp->root;
- struct cgroup_cls_state *cs;
- int ret = 0;
+ u32 classid;
/*
* Due to the nature of the classifier it is required to ignore all
@@ -121,17 +120,18 @@ static int cls_cgroup_classify(struct sk_buff *skb, struct tcf_proto *tp,
return -1;
rcu_read_lock();
- cs = task_cls_state(current);
- if (cs->classid && tcf_em_tree_match(skb, &head->ematches, NULL)) {
- res->classid = cs->classid;
- res->class = 0;
- ret = tcf_exts_exec(skb, &head->exts, res);
- } else
- ret = -1;
-
+ classid = task_cls_state(current)->classid;
rcu_read_unlock();
- return ret;
+ if (!classid)
+ return -1;
+
+ if (!tcf_em_tree_match(skb, &head->ematches, NULL))
+ return -1;
+
+ res->classid = classid;
+ res->class = 0;
+ return tcf_exts_exec(skb, &head->exts, res);
}
static unsigned long cls_cgroup_get(struct tcf_proto *tp, u32 handle)
@@ -167,6 +167,9 @@ static int cls_cgroup_change(struct tcf_proto *tp, unsigned long base,
struct tcf_exts e;
int err;
+ if (!tca[TCA_OPTIONS])
+ return -EINVAL;
+
if (head == NULL) {
if (!handle)
return -EINVAL;
diff --git a/net/sunrpc/svcsock.c b/net/sunrpc/svcsock.c
index af3198814c1..9d504234af4 100644
--- a/net/sunrpc/svcsock.c
+++ b/net/sunrpc/svcsock.c
@@ -345,6 +345,7 @@ static void svc_sock_setbufsize(struct socket *sock, unsigned int snd,
lock_sock(sock->sk);
sock->sk->sk_sndbuf = snd * 2;
sock->sk->sk_rcvbuf = rcv * 2;
+ sock->sk->sk_userlocks |= SOCK_SNDBUF_LOCK|SOCK_RCVBUF_LOCK;
release_sock(sock->sk);
#endif
}
@@ -796,6 +797,23 @@ static int svc_tcp_recvfrom(struct svc_rqst *rqstp)
test_bit(XPT_CONN, &svsk->sk_xprt.xpt_flags),
test_bit(XPT_CLOSE, &svsk->sk_xprt.xpt_flags));
+ if (test_and_clear_bit(XPT_CHNGBUF, &svsk->sk_xprt.xpt_flags))
+ /* sndbuf needs to have room for one request
+ * per thread, otherwise we can stall even when the
+ * network isn't a bottleneck.
+ *
+ * We count all threads rather than threads in a
+ * particular pool, which provides an upper bound
+ * on the number of threads which will access the socket.
+ *
+ * rcvbuf just needs to be able to hold a few requests.
+ * Normally they will be removed from the queue
+ * as soon a a complete request arrives.
+ */
+ svc_sock_setbufsize(svsk->sk_sock,
+ (serv->sv_nrthreads+3) * serv->sv_max_mesg,
+ 3 * serv->sv_max_mesg);
+
clear_bit(XPT_DATA, &svsk->sk_xprt.xpt_flags);
/* Receive data. If we haven't got the record length yet, get
@@ -1043,6 +1061,15 @@ static void svc_tcp_init(struct svc_sock *svsk, struct svc_serv *serv)
tcp_sk(sk)->nonagle |= TCP_NAGLE_OFF;
+ /* initialise setting must have enough space to
+ * receive and respond to one request.
+ * svc_tcp_recvfrom will re-adjust if necessary
+ */
+ svc_sock_setbufsize(svsk->sk_sock,
+ 3 * svsk->sk_xprt.xpt_server->sv_max_mesg,
+ 3 * svsk->sk_xprt.xpt_server->sv_max_mesg);
+
+ set_bit(XPT_CHNGBUF, &svsk->sk_xprt.xpt_flags);
set_bit(XPT_DATA, &svsk->sk_xprt.xpt_flags);
if (sk->sk_state != TCP_ESTABLISHED)
set_bit(XPT_CLOSE, &svsk->sk_xprt.xpt_flags);
@@ -1112,14 +1139,8 @@ static struct svc_sock *svc_setup_socket(struct svc_serv *serv,
/* Initialize the socket */
if (sock->type == SOCK_DGRAM)
svc_udp_init(svsk, serv);
- else {
- /* initialise setting must have enough space to
- * receive and respond to one request.
- */
- svc_sock_setbufsize(svsk->sk_sock, 4 * serv->sv_max_mesg,
- 4 * serv->sv_max_mesg);
+ else
svc_tcp_init(svsk, serv);
- }
dprintk("svc: svc_setup_socket created %p (inet %p)\n",
svsk, svsk->sk_sk);
diff --git a/net/sunrpc/xprtrdma/svc_rdma_sendto.c b/net/sunrpc/xprtrdma/svc_rdma_sendto.c
index 8b510c5e877..f11be72a1a8 100644
--- a/net/sunrpc/xprtrdma/svc_rdma_sendto.c
+++ b/net/sunrpc/xprtrdma/svc_rdma_sendto.c
@@ -128,7 +128,8 @@ static int fast_reg_xdr(struct svcxprt_rdma *xprt,
page_bytes -= sge_bytes;
frmr->page_list->page_list[page_no] =
- ib_dma_map_page(xprt->sc_cm_id->device, page, 0,
+ ib_dma_map_single(xprt->sc_cm_id->device,
+ page_address(page),
PAGE_SIZE, DMA_TO_DEVICE);
if (ib_dma_mapping_error(xprt->sc_cm_id->device,
frmr->page_list->page_list[page_no]))
@@ -532,18 +533,17 @@ static int send_reply(struct svcxprt_rdma *rdma,
clear_bit(RDMACTXT_F_FAST_UNREG, &ctxt->flags);
/* Prepare the SGE for the RPCRDMA Header */
+ ctxt->sge[0].lkey = rdma->sc_dma_lkey;
+ ctxt->sge[0].length = svc_rdma_xdr_get_reply_hdr_len(rdma_resp);
ctxt->sge[0].addr =
- ib_dma_map_page(rdma->sc_cm_id->device,
- page, 0, PAGE_SIZE, DMA_TO_DEVICE);
+ ib_dma_map_single(rdma->sc_cm_id->device, page_address(page),
+ ctxt->sge[0].length, DMA_TO_DEVICE);
if (ib_dma_mapping_error(rdma->sc_cm_id->device, ctxt->sge[0].addr))
goto err;
atomic_inc(&rdma->sc_dma_used);
ctxt->direction = DMA_TO_DEVICE;
- ctxt->sge[0].length = svc_rdma_xdr_get_reply_hdr_len(rdma_resp);
- ctxt->sge[0].lkey = rdma->sc_dma_lkey;
-
/* Determine how many of our SGE are to be transmitted */
for (sge_no = 1; byte_count && sge_no < vec->count; sge_no++) {
sge_bytes = min_t(size_t, vec->sge[sge_no].iov_len, byte_count);
diff --git a/net/sunrpc/xprtrdma/svc_rdma_transport.c b/net/sunrpc/xprtrdma/svc_rdma_transport.c
index 4b0c2fa15e0..5151f9f6c57 100644
--- a/net/sunrpc/xprtrdma/svc_rdma_transport.c
+++ b/net/sunrpc/xprtrdma/svc_rdma_transport.c
@@ -500,8 +500,8 @@ int svc_rdma_post_recv(struct svcxprt_rdma *xprt)
BUG_ON(sge_no >= xprt->sc_max_sge);
page = svc_rdma_get_page();
ctxt->pages[sge_no] = page;
- pa = ib_dma_map_page(xprt->sc_cm_id->device,
- page, 0, PAGE_SIZE,
+ pa = ib_dma_map_single(xprt->sc_cm_id->device,
+ page_address(page), PAGE_SIZE,
DMA_FROM_DEVICE);
if (ib_dma_mapping_error(xprt->sc_cm_id->device, pa))
goto err_put_ctxt;
@@ -1315,8 +1315,8 @@ void svc_rdma_send_error(struct svcxprt_rdma *xprt, struct rpcrdma_msg *rmsgp,
length = svc_rdma_xdr_encode_error(xprt, rmsgp, err, va);
/* Prepare SGE for local address */
- sge.addr = ib_dma_map_page(xprt->sc_cm_id->device,
- p, 0, PAGE_SIZE, DMA_FROM_DEVICE);
+ sge.addr = ib_dma_map_single(xprt->sc_cm_id->device,
+ page_address(p), PAGE_SIZE, DMA_FROM_DEVICE);
if (ib_dma_mapping_error(xprt->sc_cm_id->device, sge.addr)) {
put_page(p);
return;
@@ -1343,7 +1343,7 @@ void svc_rdma_send_error(struct svcxprt_rdma *xprt, struct rpcrdma_msg *rmsgp,
if (ret) {
dprintk("svcrdma: Error %d posting send for protocol error\n",
ret);
- ib_dma_unmap_page(xprt->sc_cm_id->device,
+ ib_dma_unmap_single(xprt->sc_cm_id->device,
sge.addr, PAGE_SIZE,
DMA_FROM_DEVICE);
svc_rdma_put_context(ctxt, 1);
generated by cgit v1.2.3 (git 2.25.1) at 2024-08-01 04:47:36 +0000