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-rw-r--r--drivers/net/bonding/bond_sysfs.c1
-rw-r--r--drivers/net/virtio_net.c13
-rw-r--r--drivers/virtio/virtio_ring.c10
-rw-r--r--include/linux/virtio.h5
-rw-r--r--include/net/inet_ecn.h8
-rw-r--r--include/net/inet_timewait_sock.h3
-rw-r--r--include/net/ip.h3
-rw-r--r--include/net/tcp.h19
-rw-r--r--net/ipv4/inet_timewait_sock.c1
-rw-r--r--net/ipv4/ip_output.c6
-rw-r--r--net/ipv4/ip_sockglue.c5
-rw-r--r--net/ipv4/tcp.c14
-rw-r--r--net/ipv4/tcp_ipv4.c23
-rw-r--r--net/ipv6/tcp_ipv6.c13
14 files changed, 86 insertions, 38 deletions
diff --git a/drivers/net/bonding/bond_sysfs.c b/drivers/net/bonding/bond_sysfs.c
index 6044ff809c2a..5a20804fdece 100644
--- a/drivers/net/bonding/bond_sysfs.c
+++ b/drivers/net/bonding/bond_sysfs.c
@@ -1675,6 +1675,7 @@ int bond_create_sysfs(struct bond_net *bn)
int ret;
bn->class_attr_bonding_masters = class_attr_bonding_masters;
+ sysfs_attr_init(&bn->class_attr_bonding_masters.attr);
ret = netdev_class_create_file(&bn->class_attr_bonding_masters);
/*
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
index 765ab9ac9d17..91039ab16728 100644
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -877,8 +877,21 @@ static void virtnet_vlan_rx_kill_vid(struct net_device *dev, u16 vid)
dev_warn(&dev->dev, "Failed to kill VLAN ID %d.\n", vid);
}
+static void virtnet_get_ringparam(struct net_device *dev,
+ struct ethtool_ringparam *ring)
+{
+ struct virtnet_info *vi = netdev_priv(dev);
+
+ ring->rx_max_pending = virtqueue_get_vring_size(vi->rvq);
+ ring->tx_max_pending = virtqueue_get_vring_size(vi->svq);
+ ring->rx_pending = ring->rx_max_pending;
+ ring->tx_pending = ring->tx_max_pending;
+
+}
+
static const struct ethtool_ops virtnet_ethtool_ops = {
.get_link = ethtool_op_get_link,
+ .get_ringparam = virtnet_get_ringparam,
};
#define MIN_MTU 68
diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c
index 68b9136847af..4acf88884f9b 100644
--- a/drivers/virtio/virtio_ring.c
+++ b/drivers/virtio/virtio_ring.c
@@ -529,4 +529,14 @@ void vring_transport_features(struct virtio_device *vdev)
}
EXPORT_SYMBOL_GPL(vring_transport_features);
+/* return the size of the vring within the virtqueue */
+unsigned int virtqueue_get_vring_size(struct virtqueue *_vq)
+{
+
+ struct vring_virtqueue *vq = to_vvq(_vq);
+
+ return vq->vring.num;
+}
+EXPORT_SYMBOL_GPL(virtqueue_get_vring_size);
+
MODULE_LICENSE("GPL");
diff --git a/include/linux/virtio.h b/include/linux/virtio.h
index 710885749605..851ebf1a4476 100644
--- a/include/linux/virtio.h
+++ b/include/linux/virtio.h
@@ -61,6 +61,9 @@ struct virtqueue {
* virtqueue_detach_unused_buf: detach first unused buffer
* vq: the struct virtqueue we're talking about.
* Returns NULL or the "data" token handed to add_buf
+ * virtqueue_get_vring_size: return the size of the virtqueue's vring
+ * vq: the struct virtqueue containing the vring of interest.
+ * Returns the size of the vring.
*
* Locking rules are straightforward: the driver is responsible for
* locking. No two operations may be invoked simultaneously, with the exception
@@ -97,6 +100,8 @@ bool virtqueue_enable_cb_delayed(struct virtqueue *vq);
void *virtqueue_detach_unused_buf(struct virtqueue *vq);
+unsigned int virtqueue_get_vring_size(struct virtqueue *vq);
+
/**
* virtio_device - representation of a device using virtio
* @index: unique position on the virtio bus
diff --git a/include/net/inet_ecn.h b/include/net/inet_ecn.h
index 2fa8d1341a0a..2fa14691869c 100644
--- a/include/net/inet_ecn.h
+++ b/include/net/inet_ecn.h
@@ -30,6 +30,14 @@ static inline int INET_ECN_is_capable(__u8 dsfield)
return dsfield & INET_ECN_ECT_0;
}
+/*
+ * RFC 3168 9.1.1
+ * The full-functionality option for ECN encapsulation is to copy the
+ * ECN codepoint of the inside header to the outside header on
+ * encapsulation if the inside header is not-ECT or ECT, and to set the
+ * ECN codepoint of the outside header to ECT(0) if the ECN codepoint of
+ * the inside header is CE.
+ */
static inline __u8 INET_ECN_encapsulate(__u8 outer, __u8 inner)
{
outer &= ~INET_ECN_MASK;
diff --git a/include/net/inet_timewait_sock.h b/include/net/inet_timewait_sock.h
index f1a770977c4f..180231c5bbbe 100644
--- a/include/net/inet_timewait_sock.h
+++ b/include/net/inet_timewait_sock.h
@@ -126,7 +126,8 @@ struct inet_timewait_sock {
/* And these are ours. */
unsigned int tw_ipv6only : 1,
tw_transparent : 1,
- tw_pad : 14, /* 14 bits hole */
+ tw_pad : 6, /* 6 bits hole */
+ tw_tos : 8,
tw_ipv6_offset : 16;
kmemcheck_bitfield_end(flags);
unsigned long tw_ttd;
diff --git a/include/net/ip.h b/include/net/ip.h
index c7e066a1c611..eca0ef7a495e 100644
--- a/include/net/ip.h
+++ b/include/net/ip.h
@@ -165,6 +165,7 @@ struct ip_reply_arg {
int csumoffset; /* u16 offset of csum in iov[0].iov_base */
/* -1 if not needed */
int bound_dev_if;
+ u8 tos;
};
#define IP_REPLY_ARG_NOSRCCHECK 1
@@ -175,7 +176,7 @@ static inline __u8 ip_reply_arg_flowi_flags(const struct ip_reply_arg *arg)
}
void ip_send_reply(struct sock *sk, struct sk_buff *skb, __be32 daddr,
- struct ip_reply_arg *arg, unsigned int len);
+ const struct ip_reply_arg *arg, unsigned int len);
struct ipv4_config {
int log_martians;
diff --git a/include/net/tcp.h b/include/net/tcp.h
index 3edef0bebdd1..ed0e81452827 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -1185,8 +1185,9 @@ struct tcp_md5sig_pool {
/* - functions */
extern int tcp_v4_md5_hash_skb(char *md5_hash, struct tcp_md5sig_key *key,
- struct sock *sk, struct request_sock *req,
- struct sk_buff *skb);
+ const struct sock *sk,
+ const struct request_sock *req,
+ const struct sk_buff *skb);
extern struct tcp_md5sig_key * tcp_v4_md5_lookup(struct sock *sk,
struct sock *addr_sk);
extern int tcp_v4_md5_do_add(struct sock *sk, __be32 addr, u8 *newkey,
@@ -1209,7 +1210,7 @@ extern void tcp_free_md5sig_pool(void);
extern struct tcp_md5sig_pool *tcp_get_md5sig_pool(void);
extern void tcp_put_md5sig_pool(void);
-extern int tcp_md5_hash_header(struct tcp_md5sig_pool *, struct tcphdr *);
+extern int tcp_md5_hash_header(struct tcp_md5sig_pool *, const struct tcphdr *);
extern int tcp_md5_hash_skb_data(struct tcp_md5sig_pool *, const struct sk_buff *,
unsigned header_len);
extern int tcp_md5_hash_key(struct tcp_md5sig_pool *hp,
@@ -1448,9 +1449,9 @@ struct tcp_sock_af_ops {
struct sock *addr_sk);
int (*calc_md5_hash) (char *location,
struct tcp_md5sig_key *md5,
- struct sock *sk,
- struct request_sock *req,
- struct sk_buff *skb);
+ const struct sock *sk,
+ const struct request_sock *req,
+ const struct sk_buff *skb);
int (*md5_add) (struct sock *sk,
struct sock *addr_sk,
u8 *newkey,
@@ -1467,9 +1468,9 @@ struct tcp_request_sock_ops {
struct request_sock *req);
int (*calc_md5_hash) (char *location,
struct tcp_md5sig_key *md5,
- struct sock *sk,
- struct request_sock *req,
- struct sk_buff *skb);
+ const struct sock *sk,
+ const struct request_sock *req,
+ const struct sk_buff *skb);
#endif
};
diff --git a/net/ipv4/inet_timewait_sock.c b/net/ipv4/inet_timewait_sock.c
index 3c8dfa16614d..44d65d546e30 100644
--- a/net/ipv4/inet_timewait_sock.c
+++ b/net/ipv4/inet_timewait_sock.c
@@ -183,6 +183,7 @@ struct inet_timewait_sock *inet_twsk_alloc(const struct sock *sk, const int stat
tw->tw_daddr = inet->inet_daddr;
tw->tw_rcv_saddr = inet->inet_rcv_saddr;
tw->tw_bound_dev_if = sk->sk_bound_dev_if;
+ tw->tw_tos = inet->tos;
tw->tw_num = inet->inet_num;
tw->tw_state = TCP_TIME_WAIT;
tw->tw_substate = state;
diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
index e1374ab034bb..0bc95f3977d2 100644
--- a/net/ipv4/ip_output.c
+++ b/net/ipv4/ip_output.c
@@ -1466,7 +1466,7 @@ static int ip_reply_glue_bits(void *dptr, char *to, int offset,
* structure to pass arguments.
*/
void ip_send_reply(struct sock *sk, struct sk_buff *skb, __be32 daddr,
- struct ip_reply_arg *arg, unsigned int len)
+ const struct ip_reply_arg *arg, unsigned int len)
{
struct inet_sock *inet = inet_sk(sk);
struct ip_options_data replyopts;
@@ -1489,7 +1489,7 @@ void ip_send_reply(struct sock *sk, struct sk_buff *skb, __be32 daddr,
}
flowi4_init_output(&fl4, arg->bound_dev_if, 0,
- RT_TOS(ip_hdr(skb)->tos),
+ RT_TOS(arg->tos),
RT_SCOPE_UNIVERSE, sk->sk_protocol,
ip_reply_arg_flowi_flags(arg),
daddr, rt->rt_spec_dst,
@@ -1506,7 +1506,7 @@ void ip_send_reply(struct sock *sk, struct sk_buff *skb, __be32 daddr,
with locally disabled BH and that sk cannot be already spinlocked.
*/
bh_lock_sock(sk);
- inet->tos = ip_hdr(skb)->tos;
+ inet->tos = arg->tos;
sk->sk_priority = skb->priority;
sk->sk_protocol = ip_hdr(skb)->protocol;
sk->sk_bound_dev_if = arg->bound_dev_if;
diff --git a/net/ipv4/ip_sockglue.c b/net/ipv4/ip_sockglue.c
index f0dc3ad662ae..09ff51bf16a4 100644
--- a/net/ipv4/ip_sockglue.c
+++ b/net/ipv4/ip_sockglue.c
@@ -33,6 +33,7 @@
#include <linux/netfilter.h>
#include <linux/route.h>
#include <linux/mroute.h>
+#include <net/inet_ecn.h>
#include <net/route.h>
#include <net/xfrm.h>
#include <net/compat.h>
@@ -578,8 +579,8 @@ static int do_ip_setsockopt(struct sock *sk, int level,
break;
case IP_TOS: /* This sets both TOS and Precedence */
if (sk->sk_type == SOCK_STREAM) {
- val &= ~3;
- val |= inet->tos & 3;
+ val &= ~INET_ECN_MASK;
+ val |= inet->tos & INET_ECN_MASK;
}
if (inet->tos != val) {
inet->tos = val;
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index 704adad8f07f..eefc61e3d0e4 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -2994,17 +2994,19 @@ void tcp_put_md5sig_pool(void)
EXPORT_SYMBOL(tcp_put_md5sig_pool);
int tcp_md5_hash_header(struct tcp_md5sig_pool *hp,
- struct tcphdr *th)
+ const struct tcphdr *th)
{
struct scatterlist sg;
+ struct tcphdr hdr;
int err;
- __sum16 old_checksum = th->check;
- th->check = 0;
+ /* We are not allowed to change tcphdr, make a local copy */
+ memcpy(&hdr, th, sizeof(hdr));
+ hdr.check = 0;
+
/* options aren't included in the hash */
- sg_init_one(&sg, th, sizeof(struct tcphdr));
- err = crypto_hash_update(&hp->md5_desc, &sg, sizeof(struct tcphdr));
- th->check = old_checksum;
+ sg_init_one(&sg, &hdr, sizeof(hdr));
+ err = crypto_hash_update(&hp->md5_desc, &sg, sizeof(hdr));
return err;
}
EXPORT_SYMBOL(tcp_md5_hash_header);
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 955c9255cd98..0ea10eefa60f 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -92,7 +92,7 @@ EXPORT_SYMBOL(sysctl_tcp_low_latency);
static struct tcp_md5sig_key *tcp_v4_md5_do_lookup(struct sock *sk,
__be32 addr);
static int tcp_v4_md5_hash_hdr(char *md5_hash, struct tcp_md5sig_key *key,
- __be32 daddr, __be32 saddr, struct tcphdr *th);
+ __be32 daddr, __be32 saddr, const struct tcphdr *th);
#else
static inline
struct tcp_md5sig_key *tcp_v4_md5_do_lookup(struct sock *sk, __be32 addr)
@@ -652,6 +652,7 @@ static void tcp_v4_send_reset(struct sock *sk, struct sk_buff *skb)
arg.flags = (sk && inet_sk(sk)->transparent) ? IP_REPLY_ARG_NOSRCCHECK : 0;
net = dev_net(skb_dst(skb)->dev);
+ arg.tos = ip_hdr(skb)->tos;
ip_send_reply(net->ipv4.tcp_sock, skb, ip_hdr(skb)->saddr,
&arg, arg.iov[0].iov_len);
@@ -666,7 +667,7 @@ static void tcp_v4_send_reset(struct sock *sk, struct sk_buff *skb)
static void tcp_v4_send_ack(struct sk_buff *skb, u32 seq, u32 ack,
u32 win, u32 ts, int oif,
struct tcp_md5sig_key *key,
- int reply_flags)
+ int reply_flags, u8 tos)
{
const struct tcphdr *th = tcp_hdr(skb);
struct {
@@ -726,7 +727,7 @@ static void tcp_v4_send_ack(struct sk_buff *skb, u32 seq, u32 ack,
arg.csumoffset = offsetof(struct tcphdr, check) / 2;
if (oif)
arg.bound_dev_if = oif;
-
+ arg.tos = tos;
ip_send_reply(net->ipv4.tcp_sock, skb, ip_hdr(skb)->saddr,
&arg, arg.iov[0].iov_len);
@@ -743,7 +744,8 @@ static void tcp_v4_timewait_ack(struct sock *sk, struct sk_buff *skb)
tcptw->tw_ts_recent,
tw->tw_bound_dev_if,
tcp_twsk_md5_key(tcptw),
- tw->tw_transparent ? IP_REPLY_ARG_NOSRCCHECK : 0
+ tw->tw_transparent ? IP_REPLY_ARG_NOSRCCHECK : 0,
+ tw->tw_tos
);
inet_twsk_put(tw);
@@ -757,7 +759,8 @@ static void tcp_v4_reqsk_send_ack(struct sock *sk, struct sk_buff *skb,
req->ts_recent,
0,
tcp_v4_md5_do_lookup(sk, ip_hdr(skb)->daddr),
- inet_rsk(req)->no_srccheck ? IP_REPLY_ARG_NOSRCCHECK : 0);
+ inet_rsk(req)->no_srccheck ? IP_REPLY_ARG_NOSRCCHECK : 0,
+ ip_hdr(skb)->tos);
}
/*
@@ -1090,7 +1093,7 @@ static int tcp_v4_md5_hash_pseudoheader(struct tcp_md5sig_pool *hp,
}
static int tcp_v4_md5_hash_hdr(char *md5_hash, struct tcp_md5sig_key *key,
- __be32 daddr, __be32 saddr, struct tcphdr *th)
+ __be32 daddr, __be32 saddr, const struct tcphdr *th)
{
struct tcp_md5sig_pool *hp;
struct hash_desc *desc;
@@ -1122,12 +1125,12 @@ clear_hash_noput:
}
int tcp_v4_md5_hash_skb(char *md5_hash, struct tcp_md5sig_key *key,
- struct sock *sk, struct request_sock *req,
- struct sk_buff *skb)
+ const struct sock *sk, const struct request_sock *req,
+ const struct sk_buff *skb)
{
struct tcp_md5sig_pool *hp;
struct hash_desc *desc;
- struct tcphdr *th = tcp_hdr(skb);
+ const struct tcphdr *th = tcp_hdr(skb);
__be32 saddr, daddr;
if (sk) {
@@ -1172,7 +1175,7 @@ clear_hash_noput:
}
EXPORT_SYMBOL(tcp_v4_md5_hash_skb);
-static int tcp_v4_inbound_md5_hash(struct sock *sk, struct sk_buff *skb)
+static int tcp_v4_inbound_md5_hash(struct sock *sk, const struct sk_buff *skb)
{
/*
* This gets called for each TCP segment that arrives
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index da2ada881cfa..c8683fcc487a 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -761,7 +761,7 @@ static int tcp_v6_md5_hash_pseudoheader(struct tcp_md5sig_pool *hp,
static int tcp_v6_md5_hash_hdr(char *md5_hash, struct tcp_md5sig_key *key,
const struct in6_addr *daddr, struct in6_addr *saddr,
- struct tcphdr *th)
+ const struct tcphdr *th)
{
struct tcp_md5sig_pool *hp;
struct hash_desc *desc;
@@ -793,13 +793,14 @@ clear_hash_noput:
}
static int tcp_v6_md5_hash_skb(char *md5_hash, struct tcp_md5sig_key *key,
- struct sock *sk, struct request_sock *req,
- struct sk_buff *skb)
+ const struct sock *sk,
+ const struct request_sock *req,
+ const struct sk_buff *skb)
{
const struct in6_addr *saddr, *daddr;
struct tcp_md5sig_pool *hp;
struct hash_desc *desc;
- struct tcphdr *th = tcp_hdr(skb);
+ const struct tcphdr *th = tcp_hdr(skb);
if (sk) {
saddr = &inet6_sk(sk)->saddr;
@@ -842,12 +843,12 @@ clear_hash_noput:
return 1;
}
-static int tcp_v6_inbound_md5_hash (struct sock *sk, struct sk_buff *skb)
+static int tcp_v6_inbound_md5_hash(struct sock *sk, const struct sk_buff *skb)
{
const __u8 *hash_location = NULL;
struct tcp_md5sig_key *hash_expected;
const struct ipv6hdr *ip6h = ipv6_hdr(skb);
- struct tcphdr *th = tcp_hdr(skb);
+ const struct tcphdr *th = tcp_hdr(skb);
int genhash;
u8 newhash[16];
generated by cgit v1.2.3 (git 2.46.0) at 2025-07-28 23:47:13 +0000