diff options
Diffstat (limited to 'net')
64 files changed, 1124 insertions, 568 deletions
diff --git a/net/bluetooth/af_bluetooth.c b/net/bluetooth/af_bluetooth.c index 42d0997e2fbb..8a8f77a247e6 100644 --- a/net/bluetooth/af_bluetooth.c +++ b/net/bluetooth/af_bluetooth.c @@ -733,7 +733,7 @@ void bt_procfs_cleanup(struct net *net, const char *name) EXPORT_SYMBOL(bt_procfs_init); EXPORT_SYMBOL(bt_procfs_cleanup); -static struct net_proto_family bt_sock_family_ops = { +static const struct net_proto_family bt_sock_family_ops = { .owner = THIS_MODULE, .family = PF_BLUETOOTH, .create = bt_sock_create, diff --git a/net/caif/caif_socket.c b/net/caif/caif_socket.c index adcad344c843..4674d17e7c08 100644 --- a/net/caif/caif_socket.c +++ b/net/caif/caif_socket.c @@ -1099,7 +1099,7 @@ static int caif_create(struct net *net, struct socket *sock, int protocol, } -static struct net_proto_family caif_family_ops = { +static const struct net_proto_family caif_family_ops = { .family = PF_CAIF, .create = caif_create, .owner = THIS_MODULE, diff --git a/net/core/datagram.c b/net/core/datagram.c index db1866f2ffcf..bc46118486fe 100644 --- a/net/core/datagram.c +++ b/net/core/datagram.c @@ -161,6 +161,45 @@ done: return skb; } +struct sk_buff *__skb_try_recv_from_queue(struct sock *sk, + struct sk_buff_head *queue, + unsigned int flags, + void (*destructor)(struct sock *sk, + struct sk_buff *skb), + int *peeked, int *off, int *err, + struct sk_buff **last) +{ + struct sk_buff *skb; + int _off = *off; + + *last = queue->prev; + skb_queue_walk(queue, skb) { + if (flags & MSG_PEEK) { + if (_off >= skb->len && (skb->len || _off || + skb->peeked)) { + _off -= skb->len; + continue; + } + if (!skb->len) { + skb = skb_set_peeked(skb); + if (unlikely(IS_ERR(skb))) { + *err = PTR_ERR(skb); + return NULL; + } + } + *peeked = 1; + atomic_inc(&skb->users); + } else { + __skb_unlink(skb, queue); + if (destructor) + destructor(sk, skb); + } + *off = _off; + return skb; + } + return NULL; +} + /** * __skb_try_recv_datagram - Receive a datagram skbuff * @sk: socket @@ -222,40 +261,14 @@ struct sk_buff *__skb_try_recv_datagram(struct sock *sk, unsigned int flags, * Look at current nfs client by the way... * However, this function was correct in any case. 8) */ - int _off = *off; - - *last = (struct sk_buff *)queue; spin_lock_irqsave(&queue->lock, cpu_flags); - skb_queue_walk(queue, skb) { - *last = skb; - if (flags & MSG_PEEK) { - if (_off >= skb->len && (skb->len || _off || - skb->peeked)) { - _off -= skb->len; - continue; - } - if (!skb->len) { - skb = skb_set_peeked(skb); - if (IS_ERR(skb)) { - error = PTR_ERR(skb); - spin_unlock_irqrestore(&queue->lock, - cpu_flags); - goto no_packet; - } - } - *peeked = 1; - atomic_inc(&skb->users); - } else { - __skb_unlink(skb, queue); - if (destructor) - destructor(sk, skb); - } - spin_unlock_irqrestore(&queue->lock, cpu_flags); - *off = _off; - return skb; - } - + skb = __skb_try_recv_from_queue(sk, queue, flags, destructor, + peeked, off, &error, last); spin_unlock_irqrestore(&queue->lock, cpu_flags); + if (error) + goto no_packet; + if (skb) + return skb; if (!sk_can_busy_loop(sk)) break; @@ -335,8 +348,8 @@ void __skb_free_datagram_locked(struct sock *sk, struct sk_buff *skb, int len) } EXPORT_SYMBOL(__skb_free_datagram_locked); -int __sk_queue_drop_skb(struct sock *sk, struct sk_buff *skb, - unsigned int flags, +int __sk_queue_drop_skb(struct sock *sk, struct sk_buff_head *sk_queue, + struct sk_buff *skb, unsigned int flags, void (*destructor)(struct sock *sk, struct sk_buff *skb)) { @@ -344,15 +357,15 @@ int __sk_queue_drop_skb(struct sock *sk, struct sk_buff *skb, if (flags & MSG_PEEK) { err = -ENOENT; - spin_lock_bh(&sk->sk_receive_queue.lock); - if (skb == skb_peek(&sk->sk_receive_queue)) { - __skb_unlink(skb, &sk->sk_receive_queue); + spin_lock_bh(&sk_queue->lock); + if (skb == skb_peek(sk_queue)) { + __skb_unlink(skb, sk_queue); atomic_dec(&skb->users); if (destructor) destructor(sk, skb); err = 0; } - spin_unlock_bh(&sk->sk_receive_queue.lock); + spin_unlock_bh(&sk_queue->lock); } atomic_inc(&sk->sk_drops); @@ -383,7 +396,8 @@ EXPORT_SYMBOL(__sk_queue_drop_skb); int skb_kill_datagram(struct sock *sk, struct sk_buff *skb, unsigned int flags) { - int err = __sk_queue_drop_skb(sk, skb, flags, NULL); + int err = __sk_queue_drop_skb(sk, &sk->sk_receive_queue, skb, flags, + NULL); kfree_skb(skb); sk_mem_reclaim_partial(sk); diff --git a/net/core/dev.c b/net/core/dev.c index fca407b4a6ea..acd594c56f0a 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -105,6 +105,7 @@ #include <net/dst.h> #include <net/dst_metadata.h> #include <net/pkt_sched.h> +#include <net/pkt_cls.h> #include <net/checksum.h> #include <net/xfrm.h> #include <linux/highmem.h> @@ -3178,7 +3179,7 @@ sch_handle_egress(struct sk_buff *skb, int *ret, struct net_device *dev) /* qdisc_skb_cb(skb)->pkt_len was already set by the caller. */ qdisc_bstats_cpu_update(cl->q, skb); - switch (tc_classify(skb, cl, &cl_res, false)) { + switch (tcf_classify(skb, cl, &cl_res, false)) { case TC_ACT_OK: case TC_ACT_RECLASSIFY: skb->tc_index = TC_H_MIN(cl_res.classid); @@ -3948,7 +3949,7 @@ sch_handle_ingress(struct sk_buff *skb, struct packet_type **pt_prev, int *ret, skb->tc_at_ingress = 1; qdisc_bstats_cpu_update(cl->q, skb); - switch (tc_classify(skb, cl, &cl_res, false)) { + switch (tcf_classify(skb, cl, &cl_res, false)) { case TC_ACT_OK: case TC_ACT_RECLASSIFY: skb->tc_index = TC_H_MIN(cl_res.classid); diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c index 65ea0ff4017c..58e6cc70500d 100644 --- a/net/core/net-sysfs.c +++ b/net/core/net-sysfs.c @@ -323,7 +323,11 @@ NETDEVICE_SHOW_RW(flags, fmt_hex); static int change_tx_queue_len(struct net_device *dev, unsigned long new_len) { - int res, orig_len = dev->tx_queue_len; + unsigned int orig_len = dev->tx_queue_len; + int res; + + if (new_len != (unsigned int)new_len) + return -ERANGE; if (new_len != orig_len) { dev->tx_queue_len = new_len; @@ -349,7 +353,7 @@ static ssize_t tx_queue_len_store(struct device *dev, return netdev_store(dev, attr, buf, len, change_tx_queue_len); } -NETDEVICE_SHOW_RW(tx_queue_len, fmt_ulong); +NETDEVICE_SHOW_RW(tx_queue_len, fmt_dec); static int change_gro_flush_timeout(struct net_device *dev, unsigned long val) { diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c index 49a279a7cc15..dab2834f58f8 100644 --- a/net/core/rtnetlink.c +++ b/net/core/rtnetlink.c @@ -2048,8 +2048,8 @@ static int do_setlink(const struct sk_buff *skb, } if (tb[IFLA_TXQLEN]) { - unsigned long value = nla_get_u32(tb[IFLA_TXQLEN]); - unsigned long orig_len = dev->tx_queue_len; + unsigned int value = nla_get_u32(tb[IFLA_TXQLEN]); + unsigned int orig_len = dev->tx_queue_len; if (dev->tx_queue_len ^ value) { dev->tx_queue_len = value; diff --git a/net/core/sock.c b/net/core/sock.c index 727f924b7f91..bef844127e01 100644 --- a/net/core/sock.c +++ b/net/core/sock.c @@ -1038,6 +1038,10 @@ set_rcvbuf: #endif case SO_MAX_PACING_RATE: + if (val != ~0U) + cmpxchg(&sk->sk_pacing_status, + SK_PACING_NONE, + SK_PACING_NEEDED); sk->sk_max_pacing_rate = val; sk->sk_pacing_rate = min(sk->sk_pacing_rate, sk->sk_max_pacing_rate); diff --git a/net/dccp/ccids/ccid2.c b/net/dccp/ccids/ccid2.c index 5e3a7302f774..e1295d5f2c56 100644 --- a/net/dccp/ccids/ccid2.c +++ b/net/dccp/ccids/ccid2.c @@ -233,7 +233,7 @@ static void ccid2_hc_tx_packet_sent(struct sock *sk, unsigned int len) { struct dccp_sock *dp = dccp_sk(sk); struct ccid2_hc_tx_sock *hc = ccid2_hc_tx_sk(sk); - const u32 now = ccid2_time_stamp; + const u32 now = ccid2_jiffies32; struct ccid2_seq *next; /* slow-start after idle periods (RFC 2581, RFC 2861) */ @@ -466,7 +466,7 @@ static void ccid2_new_ack(struct sock *sk, struct ccid2_seq *seqp, * The cleanest solution is to not use the ccid2s_sent field at all * and instead use DCCP timestamps: requires changes in other places. */ - ccid2_rtt_estimator(sk, ccid2_time_stamp - seqp->ccid2s_sent); + ccid2_rtt_estimator(sk, ccid2_jiffies32 - seqp->ccid2s_sent); } static void ccid2_congestion_event(struct sock *sk, struct ccid2_seq *seqp) @@ -478,7 +478,7 @@ static void ccid2_congestion_event(struct sock *sk, struct ccid2_seq *seqp) return; } - hc->tx_last_cong = ccid2_time_stamp; + hc->tx_last_cong = ccid2_jiffies32; hc->tx_cwnd = hc->tx_cwnd / 2 ? : 1U; hc->tx_ssthresh = max(hc->tx_cwnd, 2U); @@ -731,7 +731,7 @@ static int ccid2_hc_tx_init(struct ccid *ccid, struct sock *sk) hc->tx_rto = DCCP_TIMEOUT_INIT; hc->tx_rpdupack = -1; - hc->tx_last_cong = hc->tx_lsndtime = hc->tx_cwnd_stamp = ccid2_time_stamp; + hc->tx_last_cong = hc->tx_lsndtime = hc->tx_cwnd_stamp = ccid2_jiffies32; hc->tx_cwnd_used = 0; setup_timer(&hc->tx_rtotimer, ccid2_hc_tx_rto_expire, (unsigned long)sk); diff --git a/net/dccp/ccids/ccid2.h b/net/dccp/ccids/ccid2.h index 18c97543e522..6e50ef2898fb 100644 --- a/net/dccp/ccids/ccid2.h +++ b/net/dccp/ccids/ccid2.h @@ -27,7 +27,7 @@ * CCID-2 timestamping faces the same issues as TCP timestamping. * Hence we reuse/share as much of the code as possible. */ -#define ccid2_time_stamp tcp_time_stamp +#define ccid2_jiffies32 ((u32)jiffies) /* NUMDUPACK parameter from RFC 4341, p. 6 */ #define NUMDUPACK 3 diff --git a/net/dsa/Kconfig b/net/dsa/Kconfig index 81a0868edb1d..297389b2ab35 100644 --- a/net/dsa/Kconfig +++ b/net/dsa/Kconfig @@ -25,16 +25,16 @@ config NET_DSA_TAG_DSA config NET_DSA_TAG_EDSA bool -config NET_DSA_TAG_TRAILER +config NET_DSA_TAG_LAN9303 bool -config NET_DSA_TAG_QCA +config NET_DSA_TAG_MTK bool -config NET_DSA_TAG_MTK +config NET_DSA_TAG_TRAILER bool -config NET_DSA_TAG_LAN9303 +config NET_DSA_TAG_QCA bool endif diff --git a/net/dsa/Makefile b/net/dsa/Makefile index 0b747d75e65a..f8c0251d1f43 100644 --- a/net/dsa/Makefile +++ b/net/dsa/Makefile @@ -6,7 +6,7 @@ dsa_core-y += dsa.o slave.o dsa2.o switch.o legacy.o dsa_core-$(CONFIG_NET_DSA_TAG_BRCM) += tag_brcm.o dsa_core-$(CONFIG_NET_DSA_TAG_DSA) += tag_dsa.o dsa_core-$(CONFIG_NET_DSA_TAG_EDSA) += tag_edsa.o -dsa_core-$(CONFIG_NET_DSA_TAG_TRAILER) += tag_trailer.o -dsa_core-$(CONFIG_NET_DSA_TAG_QCA) += tag_qca.o -dsa_core-$(CONFIG_NET_DSA_TAG_MTK) += tag_mtk.o dsa_core-$(CONFIG_NET_DSA_TAG_LAN9303) += tag_lan9303.o +dsa_core-$(CONFIG_NET_DSA_TAG_MTK) += tag_mtk.o +dsa_core-$(CONFIG_NET_DSA_TAG_QCA) += tag_qca.o +dsa_core-$(CONFIG_NET_DSA_TAG_TRAILER) += tag_trailer.o diff --git a/net/dsa/dsa.c b/net/dsa/dsa.c index 26130ae438da..3288a80d4d6c 100644 --- a/net/dsa/dsa.c +++ b/net/dsa/dsa.c @@ -24,7 +24,7 @@ #include <linux/phy_fixed.h> #include <linux/gpio/consumer.h> #include <linux/etherdevice.h> -#include <net/dsa.h> + #include "dsa_priv.h" static struct sk_buff *dsa_slave_notag_xmit(struct sk_buff *skb, @@ -40,26 +40,26 @@ static const struct dsa_device_ops none_ops = { }; const struct dsa_device_ops *dsa_device_ops[DSA_TAG_LAST] = { +#ifdef CONFIG_NET_DSA_TAG_BRCM + [DSA_TAG_PROTO_BRCM] = &brcm_netdev_ops, +#endif #ifdef CONFIG_NET_DSA_TAG_DSA [DSA_TAG_PROTO_DSA] = &dsa_netdev_ops, #endif #ifdef CONFIG_NET_DSA_TAG_EDSA [DSA_TAG_PROTO_EDSA] = &edsa_netdev_ops, #endif -#ifdef CONFIG_NET_DSA_TAG_TRAILER - [DSA_TAG_PROTO_TRAILER] = &trailer_netdev_ops, +#ifdef CONFIG_NET_DSA_TAG_LAN9303 + [DSA_TAG_PROTO_LAN9303] = &lan9303_netdev_ops, #endif -#ifdef CONFIG_NET_DSA_TAG_BRCM - [DSA_TAG_PROTO_BRCM] = &brcm_netdev_ops, +#ifdef CONFIG_NET_DSA_TAG_MTK + [DSA_TAG_PROTO_MTK] = &mtk_netdev_ops, #endif #ifdef CONFIG_NET_DSA_TAG_QCA [DSA_TAG_PROTO_QCA] = &qca_netdev_ops, #endif -#ifdef CONFIG_NET_DSA_TAG_MTK - [DSA_TAG_PROTO_MTK] = &mtk_netdev_ops, -#endif -#ifdef CONFIG_NET_DSA_TAG_LAN9303 - [DSA_TAG_PROTO_LAN9303] = &lan9303_netdev_ops, +#ifdef CONFIG_NET_DSA_TAG_TRAILER + [DSA_TAG_PROTO_TRAILER] = &trailer_netdev_ops, #endif [DSA_TAG_PROTO_NONE] = &none_ops, }; diff --git a/net/dsa/dsa2.c b/net/dsa/dsa2.c index 033b3bfb63dc..4301f52e4f5a 100644 --- a/net/dsa/dsa2.c +++ b/net/dsa/dsa2.c @@ -18,7 +18,7 @@ #include <linux/rtnetlink.h> #include <linux/of.h> #include <linux/of_net.h> -#include <net/dsa.h> + #include "dsa_priv.h" static LIST_HEAD(dsa_switch_trees); @@ -443,8 +443,8 @@ static int dsa_dst_apply(struct dsa_switch_tree *dst) return err; } - if (dst->cpu_switch) { - err = dsa_cpu_port_ethtool_setup(dst->cpu_switch); + if (dst->cpu_dp) { + err = dsa_cpu_port_ethtool_setup(dst->cpu_dp->ds); if (err) return err; } @@ -484,8 +484,8 @@ static void dsa_dst_unapply(struct dsa_switch_tree *dst) dsa_ds_unapply(dst, ds); } - if (dst->cpu_switch) - dsa_cpu_port_ethtool_restore(dst->cpu_switch); + if (dst->cpu_dp) + dsa_cpu_port_ethtool_restore(dst->cpu_dp->ds); pr_info("DSA: tree %d unapplied\n", dst->tree); dst->applied = false; @@ -518,10 +518,8 @@ static int dsa_cpu_parse(struct dsa_port *port, u32 index, if (!dst->master_netdev) dst->master_netdev = ethernet_dev; - if (!dst->cpu_switch) { - dst->cpu_switch = ds; - dst->cpu_port = index; - } + if (!dst->cpu_dp) + dst->cpu_dp = port; tag_protocol = ds->ops->get_tag_protocol(ds); dst->tag_ops = dsa_resolve_tag_protocol(tag_protocol); diff --git a/net/dsa/dsa_priv.h b/net/dsa/dsa_priv.h index f4a88e485213..c274130e3ac9 100644 --- a/net/dsa/dsa_priv.h +++ b/net/dsa/dsa_priv.h @@ -14,6 +14,7 @@ #include <linux/phy.h> #include <linux/netdevice.h> #include <linux/netpoll.h> +#include <net/dsa.h> struct dsa_device_ops { struct sk_buff *(*xmit)(struct sk_buff *skb, struct net_device *dev); @@ -75,25 +76,25 @@ void dsa_slave_unregister_notifier(void); int dsa_switch_register_notifier(struct dsa_switch *ds); void dsa_switch_unregister_notifier(struct dsa_switch *ds); +/* tag_brcm.c */ +extern const struct dsa_device_ops brcm_netdev_ops; + /* tag_dsa.c */ extern const struct dsa_device_ops dsa_netdev_ops; /* tag_edsa.c */ extern const struct dsa_device_ops edsa_netdev_ops; -/* tag_trailer.c */ -extern const struct dsa_device_ops trailer_netdev_ops; +/* tag_lan9303.c */ +extern const struct dsa_device_ops lan9303_netdev_ops; -/* tag_brcm.c */ -extern const struct dsa_device_ops brcm_netdev_ops; +/* tag_mtk.c */ +extern const struct dsa_device_ops mtk_netdev_ops; /* tag_qca.c */ extern const struct dsa_device_ops qca_netdev_ops; -/* tag_mtk.c */ -extern const struct dsa_device_ops mtk_netdev_ops; - -/* tag_lan9303.c */ -extern const struct dsa_device_ops lan9303_netdev_ops; +/* tag_trailer.c */ +extern const struct dsa_device_ops trailer_netdev_ops; #endif diff --git a/net/dsa/legacy.c b/net/dsa/legacy.c index ad345c8b0b06..ac4379b8d7ac 100644 --- a/net/dsa/legacy.c +++ b/net/dsa/legacy.c @@ -22,7 +22,7 @@ #include <linux/sysfs.h> #include <linux/phy_fixed.h> #include <linux/etherdevice.h> -#include <net/dsa.h> + #include "dsa_priv.h" /* switch driver registration ***********************************************/ @@ -115,13 +115,12 @@ static int dsa_switch_setup_one(struct dsa_switch *ds, struct device *parent) continue; if (!strcmp(name, "cpu")) { - if (dst->cpu_switch) { + if (dst->cpu_dp) { netdev_err(dst->master_netdev, "multiple cpu ports?!\n"); return -EINVAL; } - dst->cpu_switch = ds; - dst->cpu_port = i; + dst->cpu_dp = &ds->ports[i]; ds->cpu_port_mask |= 1 << i; } else if (!strcmp(name, "dsa")) { ds->dsa_port_mask |= 1 << i; @@ -144,7 +143,7 @@ static int dsa_switch_setup_one(struct dsa_switch *ds, struct device *parent) * tagging protocol to the preferred tagging format of this * switch. */ - if (dst->cpu_switch == ds) { + if (dst->cpu_dp->ds == ds) { enum dsa_tag_protocol tag_protocol; tag_protocol = ops->get_tag_protocol(ds); @@ -624,7 +623,6 @@ static int dsa_setup_dst(struct dsa_switch_tree *dst, struct net_device *dev, dst->pd = pd; dst->master_netdev = dev; - dst->cpu_port = -1; for (i = 0; i < pd->nr_chips; i++) { struct dsa_switch *ds; @@ -735,7 +733,7 @@ static void dsa_remove_dst(struct dsa_switch_tree *dst) dsa_switch_destroy(ds); } - dsa_cpu_port_ethtool_restore(dst->cpu_switch); + dsa_cpu_port_ethtool_restore(dst->cpu_dp->ds); dev_put(dst->master_netdev); } diff --git a/net/dsa/slave.c b/net/dsa/slave.c index 7693182df81e..91236d602301 100644 --- a/net/dsa/slave.c +++ b/net/dsa/slave.c @@ -17,13 +17,12 @@ #include <linux/of_mdio.h> #include <linux/mdio.h> #include <linux/list.h> -#include <net/dsa.h> #include <net/rtnetlink.h> -#include <net/switchdev.h> #include <net/pkt_cls.h> #include <net/tc_act/tc_mirred.h> #include <linux/if_bridge.h> #include <linux/netpoll.h> + #include "dsa_priv.h" |