diff options
Diffstat (limited to 'net')
-rw-r--r-- | net/9p/trans_common.c | 10 | ||||
-rw-r--r-- | net/core/datagram.c | 2 | ||||
-rw-r--r-- | net/core/dev.c | 14 | ||||
-rw-r--r-- | net/core/skbuff.c | 6 | ||||
-rw-r--r-- | net/core/sock.c | 8 | ||||
-rw-r--r-- | net/core/sysctl_net_core.c | 10 | ||||
-rw-r--r-- | net/dns_resolver/dns_key.c | 2 | ||||
-rw-r--r-- | net/ipv4/gre_offload.c | 3 | ||||
-rw-r--r-- | net/ipv4/inet_hashtables.c | 2 | ||||
-rw-r--r-- | net/ipv4/ip_tunnel.c | 2 | ||||
-rw-r--r-- | net/ipv4/tcp.c | 2 | ||||
-rw-r--r-- | net/ipv4/tcp_ipv4.c | 4 | ||||
-rw-r--r-- | net/ipv4/tcp_output.c | 7 | ||||
-rw-r--r-- | net/ipv4/udp.c | 8 | ||||
-rw-r--r-- | net/ipv6/ip6_fib.c | 15 | ||||
-rw-r--r-- | net/ipv6/route.c | 72 | ||||
-rw-r--r-- | net/ipv6/tcp_ipv6.c | 4 | ||||
-rw-r--r-- | net/ipv6/udp.c | 4 | ||||
-rw-r--r-- | net/sched/sch_qfq.c | 127 | ||||
-rw-r--r-- | net/socket.c | 6 | ||||
-rw-r--r-- | net/tipc/ib_media.c | 8 |
21 files changed, 170 insertions, 146 deletions
diff --git a/net/9p/trans_common.c b/net/9p/trans_common.c index de8df957867..2ee3879161b 100644 --- a/net/9p/trans_common.c +++ b/net/9p/trans_common.c @@ -24,11 +24,11 @@ */ void p9_release_pages(struct page **pages, int nr_pages) { - int i = 0; - while (pages[i] && nr_pages--) { - put_page(pages[i]); - i++; - } + int i; + + for (i = 0; i < nr_pages; i++) + if (pages[i]) + put_page(pages[i]); } EXPORT_SYMBOL(p9_release_pages); diff --git a/net/core/datagram.c b/net/core/datagram.c index 6e9ab31e457..8ab48cd8955 100644 --- a/net/core/datagram.c +++ b/net/core/datagram.c @@ -56,7 +56,7 @@ #include <net/sock.h> #include <net/tcp_states.h> #include <trace/events/skb.h> -#include <net/ll_poll.h> +#include <net/busy_poll.h> /* * Is a socket 'connection oriented' ? diff --git a/net/core/dev.c b/net/core/dev.c index 560dafd83ad..a3d8d44cb7f 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -2481,10 +2481,10 @@ static int dev_gso_segment(struct sk_buff *skb, netdev_features_t features) } static netdev_features_t harmonize_features(struct sk_buff *skb, - __be16 protocol, netdev_features_t features) + netdev_features_t features) { if (skb->ip_summed != CHECKSUM_NONE && - !can_checksum_protocol(features, protocol)) { + !can_checksum_protocol(features, skb_network_protocol(skb))) { features &= ~NETIF_F_ALL_CSUM; } else if (illegal_highdma(skb->dev, skb)) { features &= ~NETIF_F_SG; @@ -2505,20 +2505,18 @@ netdev_features_t netif_skb_features(struct sk_buff *skb) struct vlan_ethhdr *veh = (struct vlan_ethhdr *)skb->data; protocol = veh->h_vlan_encapsulated_proto; } else if (!vlan_tx_tag_present(skb)) { - return harmonize_features(skb, protocol, features); + return harmonize_features(skb, features); } features &= (skb->dev->vlan_features | NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_STAG_TX); - if (protocol != htons(ETH_P_8021Q) && protocol != htons(ETH_P_8021AD)) { - return harmonize_features(skb, protocol, features); - } else { + if (protocol == htons(ETH_P_8021Q) || protocol == htons(ETH_P_8021AD)) features &= NETIF_F_SG | NETIF_F_HIGHDMA | NETIF_F_FRAGLIST | NETIF_F_GEN_CSUM | NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_STAG_TX; - return harmonize_features(skb, protocol, features); - } + + return harmonize_features(skb, features); } EXPORT_SYMBOL(netif_skb_features); diff --git a/net/core/skbuff.c b/net/core/skbuff.c index 724bb7cb173..20e02d2605e 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c @@ -824,7 +824,7 @@ int skb_copy_ubufs(struct sk_buff *skb, gfp_t gfp_mask) page = alloc_page(gfp_mask); if (!page) { while (head) { - struct page *next = (struct page *)head->private; + struct page *next = (struct page *)page_private(head); put_page(head); head = next; } @@ -834,7 +834,7 @@ int skb_copy_ubufs(struct sk_buff *skb, gfp_t gfp_mask) memcpy(page_address(page), vaddr + f->page_offset, skb_frag_size(f)); kunmap_atomic(vaddr); - page->private = (unsigned long)head; + set_page_private(page, (unsigned long)head); head = page; } @@ -848,7 +848,7 @@ int skb_copy_ubufs(struct sk_buff *skb, gfp_t gfp_mask) for (i = num_frags - 1; i >= 0; i--) { __skb_fill_page_desc(skb, i, head, 0, skb_shinfo(skb)->frags[i].size); - head = (struct page *)head->private; + head = (struct page *)page_private(head); } skb_shinfo(skb)->tx_flags &= ~SKBTX_DEV_ZEROCOPY; diff --git a/net/core/sock.c b/net/core/sock.c index ab06b719f5b..548d716c5f6 100644 --- a/net/core/sock.c +++ b/net/core/sock.c @@ -139,7 +139,7 @@ #include <net/tcp.h> #endif -#include <net/ll_poll.h> +#include <net/busy_poll.h> static DEFINE_MUTEX(proto_list_mutex); static LIST_HEAD(proto_list); @@ -901,7 +901,7 @@ set_rcvbuf: break; #ifdef CONFIG_NET_LL_RX_POLL - case SO_LL: + case SO_BUSY_POLL: /* allow unprivileged users to decrease the value */ if ((val > sk->sk_ll_usec) && !capable(CAP_NET_ADMIN)) ret = -EPERM; @@ -1171,7 +1171,7 @@ int sock_getsockopt(struct socket *sock, int level, int optname, break; #ifdef CONFIG_NET_LL_RX_POLL - case SO_LL: + case SO_BUSY_POLL: v.val = sk->sk_ll_usec; break; #endif @@ -2294,7 +2294,7 @@ void sock_init_data(struct socket *sock, struct sock *sk) #ifdef CONFIG_NET_LL_RX_POLL sk->sk_napi_id = 0; - sk->sk_ll_usec = sysctl_net_ll_read; + sk->sk_ll_usec = sysctl_net_busy_read; #endif /* diff --git a/net/core/sysctl_net_core.c b/net/core/sysctl_net_core.c index afc677eadd9..66096861663 100644 --- a/net/core/sysctl_net_core.c +++ b/net/core/sysctl_net_core.c @@ -19,7 +19,7 @@ #include <net/ip.h> #include <net/sock.h> #include <net/net_ratelimit.h> -#include <net/ll_poll.h> +#include <net/busy_poll.h> static int one = 1; @@ -300,15 +300,15 @@ static struct ctl_table net_core_table[] = { #endif /* CONFIG_NET_FLOW_LIMIT */ #ifdef CONFIG_NET_LL_RX_POLL { - .procname = "low_latency_poll", - .data = &sysctl_net_ll_poll, + .procname = "busy_poll", + .data = &sysctl_net_busy_poll, .maxlen = sizeof(unsigned int), .mode = 0644, .proc_handler = proc_dointvec }, { - .procname = "low_latency_read", - .data = &sysctl_net_ll_read, + .procname = "busy_read", + .data = &sysctl_net_busy_read, .maxlen = sizeof(unsigned int), .mode = 0644, .proc_handler = proc_dointvec diff --git a/net/dns_resolver/dns_key.c b/net/dns_resolver/dns_key.c index 0a69d075779..f347a2ca7d7 100644 --- a/net/dns_resolver/dns_key.c +++ b/net/dns_resolver/dns_key.c @@ -118,7 +118,7 @@ dns_resolver_instantiate(struct key *key, struct key_preparsed_payload *prep) if (opt_vlen <= 0) goto bad_option_value; - ret = strict_strtoul(eq, 10, &derrno); + ret = kstrtoul(eq, 10, &derrno); if (ret < 0) goto bad_option_value; diff --git a/net/ipv4/gre_offload.c b/net/ipv4/gre_offload.c index 775d5b532ec..55e6bfb3a28 100644 --- a/net/ipv4/gre_offload.c +++ b/net/ipv4/gre_offload.c @@ -100,6 +100,9 @@ static struct sk_buff *gre_gso_segment(struct sk_buff *skb, } __skb_push(skb, tnl_hlen - ghl); + skb_reset_inner_headers(skb); + skb->encapsulation = 1; + skb_reset_mac_header(skb); skb_set_network_header(skb, mac_len); skb->mac_len = mac_len; diff --git a/net/ipv4/inet_hashtables.c b/net/ipv4/inet_hashtables.c index 6af375afeee..7bd8983dbfc 100644 --- a/net/ipv4/inet_hashtables.c +++ b/net/ipv4/inet_hashtables.c @@ -467,7 +467,7 @@ void inet_unhash(struct sock *sk) lock = inet_ehash_lockp(hashinfo, sk->sk_hash); spin_lock_bh(lock); - done =__sk_nulls_del_node_init_rcu(sk); + done = __sk_nulls_del_node_init_rcu(sk); if (done) sock_prot_inuse_add(sock_net(sk), sk->sk_prot, -1); spin_unlock_bh(lock); diff --git a/net/ipv4/ip_tunnel.c b/net/ipv4/ip_tunnel.c index 945734b2f20..ca1cb2d5f6e 100644 --- a/net/ipv4/ip_tunnel.c +++ b/net/ipv4/ip_tunnel.c @@ -476,7 +476,7 @@ static int tnl_update_pmtu(struct net_device *dev, struct sk_buff *skb, struct rtable *rt, __be16 df) { struct ip_tunnel *tunnel = netdev_priv(dev); - int pkt_size = skb->len - tunnel->hlen; + int pkt_size = skb->len - tunnel->hlen - dev->hard_header_len; int mtu; if (df) diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c index 15cbfa94bd8..5423223e93c 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -279,7 +279,7 @@ #include <asm/uaccess.h> #include <asm/ioctls.h> -#include <net/ll_poll.h> +#include <net/busy_poll.h> int sysctl_tcp_fin_timeout __read_mostly = TCP_FIN_TIMEOUT; diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c index 35675e46aff..b299da5ff49 100644 --- a/net/ipv4/tcp_ipv4.c +++ b/net/ipv4/tcp_ipv4.c @@ -75,7 +75,7 @@ #include <net/netdma.h> #include <net/secure_seq.h> #include <net/tcp_memcontrol.h> -#include <net/ll_poll.h> +#include <net/busy_poll.h> #include <linux/inet.h> #include <linux/ipv6.h> @@ -1994,7 +1994,7 @@ process: if (sk_filter(sk, skb)) goto discard_and_relse; - sk_mark_ll(sk, skb); + sk_mark_napi_id(sk, skb); skb->dev = NULL; bh_lock_sock_nested(sk); diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c index 3d609490f11..92fde8d1aa8 100644 --- a/net/ipv4/tcp_output.c +++ b/net/ipv4/tcp_output.c @@ -2407,6 +2407,8 @@ int tcp_retransmit_skb(struct sock *sk, struct sk_buff *skb) * see tcp_input.c tcp_sacktag_write_queue(). */ TCP_SKB_CB(skb)->ack_seq = tp->snd_nxt; + } else { + NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_TCPRETRANSFAIL); } return err; } @@ -2528,10 +2530,9 @@ begin_fwd: if (sacked & (TCPCB_SACKED_ACKED|TCPCB_SACKED_RETRANS)) continue; - if (tcp_retransmit_skb(sk, skb)) { - NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_TCPRETRANSFAIL); + if (tcp_retransmit_skb(sk, skb)) return; - } + NET_INC_STATS_BH(sock_net(sk), mib_idx); if (tcp_in_cwnd_reduction(sk)) diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c index 6b270e53c20..766e6bab911 100644 --- a/net/ipv4/udp.c +++ b/net/ipv4/udp.c @@ -109,7 +109,7 @@ #include <trace/events/udp.h> #include <linux/static_key.h> #include <trace/events/skb.h> -#include <net/ll_poll.h> +#include <net/busy_poll.h> #include "udp_impl.h" struct udp_table udp_table __read_mostly; @@ -1713,7 +1713,7 @@ int __udp4_lib_rcv(struct sk_buff *skb, struct udp_table *udptable, if (sk != NULL) { int ret; - sk_mark_ll(sk, skb); + sk_mark_napi_id(sk, skb); ret = udp_queue_rcv_skb(sk, skb); sock_put(sk); @@ -2323,6 +2323,9 @@ struct sk_buff *skb_udp_tunnel_segment(struct sk_buff *skb, struct udphdr *uh; int udp_offset = outer_hlen - tnl_hlen; + skb_reset_inner_headers(skb); + skb->encapsulation = 1; + skb->mac_len = mac_len; skb_push(skb, outer_hlen); @@ -2345,7 +2348,6 @@ struct sk_buff *skb_udp_tunnel_segment(struct sk_buff *skb, uh->check = CSUM_MANGLED_0; } - skb->ip_summed = CHECKSUM_NONE; skb->protocol = protocol; } while ((skb = skb->next)); out: diff --git a/net/ipv6/ip6_fib.c b/net/ipv6/ip6_fib.c index 192dd1a0e18..5fc9c7a68d8 100644 --- a/net/ipv6/ip6_fib.c +++ b/net/ipv6/ip6_fib.c @@ -632,6 +632,12 @@ insert_above: return ln; } +static inline bool rt6_qualify_for_ecmp(struct rt6_info *rt) +{ + return (rt->rt6i_flags & (RTF_GATEWAY|RTF_ADDRCONF|RTF_DYNAMIC)) == + RTF_GATEWAY; +} + /* * Insert routing information in a node. */ @@ -646,6 +652,7 @@ static int fib6_add_rt2node(struct fib6_node *fn, struct rt6_info *rt, int add = (!info->nlh || (info->nlh->nlmsg_flags & NLM_F_CREATE)); int found = 0; + bool rt_can_ecmp = rt6_qualify_for_ecmp(rt); ins = &fn->leaf; @@ -691,9 +698,8 @@ static int fib6_add_rt2node(struct fib6_node *fn, struct rt6_info *rt, * To avoid long list, we only had siblings if the * route have a gateway. */ - if (rt->rt6i_flags & RTF_GATEWAY && - !(rt->rt6i_flags & RTF_EXPIRES) && - !(iter->rt6i_flags & RTF_EXPIRES)) + if (rt_can_ecmp && + rt6_qualify_for_ecmp(iter)) rt->rt6i_nsiblings++; } @@ -715,7 +721,8 @@ static int fib6_add_rt2node(struct fib6_node *fn, struct rt6_info *rt, /* Find the first route that have the same metric */ sibling = fn->leaf; while (sibling) { - if (sibling->rt6i_metric == rt->rt6i_metric) { + if (sibling->rt6i_metric == rt->rt6i_metric && + rt6_qualify_for_ecmp(sibling)) { list_add_tail(&rt->rt6i_siblings, &sibling->rt6i_siblings); break; diff --git a/net/ipv6/route.c b/net/ipv6/route.c index bd5fd705403..a8c891aa246 100644 --- a/net/ipv6/route.c +++ b/net/ipv6/route.c @@ -65,6 +65,12 @@ #include <linux/sysctl.h> #endif +enum rt6_nud_state { + RT6_NUD_FAIL_HARD = -2, + RT6_NUD_FAIL_SOFT = -1, + RT6_NUD_SUCCEED = 1 +}; + static struct rt6_info *ip6_rt_copy(struct rt6_info *ort, const struct in6_addr *dest); static struct dst_entry *ip6_dst_check(struct dst_entry *dst, u32 cookie); @@ -531,28 +537,29 @@ static inline int rt6_check_dev(struct rt6_info *rt, int oif) return 0; } -static inline bool rt6_check_neigh(struct rt6_info *rt) +static inline enum rt6_nud_state rt6_check_neigh(struct rt6_info *rt) { struct neighbour *neigh; - bool ret = false; + enum rt6_nud_state ret = RT6_NUD_FAIL_HARD; if (rt->rt6i_flags & RTF_NONEXTHOP || !(rt->rt6i_flags & RTF_GATEWAY)) - return true; + return RT6_NUD_SUCCEED; rcu_read_lock_bh(); neigh = __ipv6_neigh_lookup_noref(rt->dst.dev, &rt->rt6i_gateway); if (neigh) { read_lock(&neigh->lock); if (neigh->nud_state & NUD_VALID) - ret = true; + ret = RT6_NUD_SUCCEED; #ifdef CONFIG_IPV6_ROUTER_PREF else if (!(neigh->nud_state & NUD_FAILED)) - ret = true; + ret = RT6_NUD_SUCCEED; #endif read_unlock(&neigh->lock); - } else if (IS_ENABLED(CONFIG_IPV6_ROUTER_PREF)) { - ret = true; + } else { + ret = IS_ENABLED(CONFIG_IPV6_ROUTER_PREF) ? + RT6_NUD_SUCCEED : RT6_NUD_FAIL_SOFT; } rcu_read_unlock_bh(); @@ -566,43 +573,52 @@ static int rt6_score_route(struct rt6_info *rt, int oif, m = rt6_check_dev(rt, oif); if (!m && (strict & RT6_LOOKUP_F_IFACE)) - return -1; + return RT6_NUD_FAIL_HARD; #ifdef CONFIG_IPV6_ROUTER_PREF m |= IPV6_DECODE_PREF(IPV6_EXTRACT_PREF(rt->rt6i_flags)) << 2; #endif - if (!rt6_check_neigh(rt) && (strict & RT6_LOOKUP_F_REACHABLE)) - return -1; + if (strict & RT6_LOOKUP_F_REACHABLE) { + int n = rt6_check_neigh(rt); + if (n < 0) + return n; + } return m; } static struct rt6_info *find_match(struct rt6_info *rt, int oif, int strict, - int *mpri, struct rt6_info *match) + int *mpri, struct rt6_info *match, + bool *do_rr) { int m; + bool match_do_rr = false; if (rt6_check_expired(rt)) goto out; m = rt6_score_route(rt, oif, strict); - if (m < 0) + if (m == RT6_NUD_FAIL_SOFT && !IS_ENABLED(CONFIG_IPV6_ROUTER_PREF)) { + match_do_rr = true; + m = 0; /* lowest valid score */ + } else if (m < 0) { goto out; + } + + if (strict & RT6_LOOKUP_F_REACHABLE) + rt6_probe(rt); if (m > *mpri) { - if (strict & RT6_LOOKUP_F_REACHABLE) - rt6_probe(match); + *do_rr = match_do_rr; *mpri = m; match = rt; - } else if (strict & RT6_LOOKUP_F_REACHABLE) { - rt6_probe(rt); } - out: return match; } static struct rt6_info *find_rr_leaf(struct fib6_node *fn, struct rt6_info *rr_head, - u32 metric, int oif, int strict) + u32 metric, int oif, int strict, + bool *do_rr) { struct rt6_info *rt, *match; int mpri = -1; @@ -610,10 +626,10 @@ static struct rt6_info *find_rr_leaf(struct fib6_node *fn, match = NULL; for (rt = rr_head; rt && rt->rt6i_metric == metric; rt = rt->dst.rt6_next) - match = find_match(rt, oif, strict, &mpri, match); + match = find_match(rt, oif, strict, &mpri, match, do_rr); for (rt = fn->leaf; rt && rt != rr_head && rt->rt6i_metric == metric; rt = rt->dst.rt6_next) - match = find_match(rt, oif, strict, &mpri, match); + match = find_match(rt, oif, strict, &mpri, match, do_rr); return match; } @@ -622,15 +638,16 @@ static struct rt6_info *rt6_select(struct fib6_node *fn, int oif, int strict) { struct rt6_info *match, *rt0; struct net *net; + bool do_rr = false; rt0 = fn->rr_ptr; if (!rt0) fn->rr_ptr = rt0 = fn->leaf; - match = find_rr_leaf(fn, rt0, rt0->rt6i_metric, oif, strict); + match = find_rr_leaf(fn, rt0, rt0->rt6i_metric, oif, strict, + &do_rr); - if (!match && - (strict & RT6_LOOKUP_F_REACHABLE)) { + if (do_rr) { struct rt6_info *next = rt0->dst.rt6_next; /* no entries matched; do round-robin */ @@ -1080,10 +1097,13 @@ static void ip6_link_failure(struct sk_buff *skb) rt = (struct rt6_info *) skb_dst(skb); if (rt) { - if (rt->rt6i_flags & RTF_CACHE) - rt6_update_expires(rt, 0); - else if (rt->rt6i_node && (rt->rt6i_flags & RTF_DEFAULT)) + if (rt->rt6i_flags & RTF_CACHE) { + dst_hold(&rt->dst); + if (ip6_del_rt(rt)) + dst_free(&rt->dst); + } else if (rt->rt6i_node && (rt->rt6i_flags & RTF_DEFAULT)) { rt->rt6i_node->fn_sernum = -1; + } } } diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c index 5cffa5c3e6b..6e1649d5853 100644 --- a/net/ipv6/tcp_ipv6.c +++ b/net/ipv6/tcp_ipv6.c @@ -63,7 +63,7 @@ #include <net/inet_common.h> #include <net/secure_seq.h> #include <net/tcp_memcontrol.h> -#include <net/ll_poll.h> +#include <net/busy_poll.h> #include <asm/uaccess.h> @@ -1499,7 +1499,7 @@ process: if (sk_filter(sk, skb)) goto discard_and_relse; - sk_mark_ll(sk, skb); + sk_mark_napi_id(sk, skb); skb->dev = NULL; bh_lock_sock_nested(sk); diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c index b6f31437a1f..f4058150262 100644 --- a/net/ipv6/udp.c +++ b/net/ipv6/udp.c @@ -46,7 +46,7 @@ #include <net/ip6_checksum.h> #include <net/xfrm.h> #include <net/inet6_hashtables.h> -#include <net/ll_poll.h> +#include <net/busy_poll.h> #include <linux/proc_fs.h> #include <linux/seq_file.h> @@ -844,7 +844,7 @@ int __udp6_lib_rcv(struct sk_buff *skb, struct udp_table *udptable, if (sk != NULL) { int ret; - sk_mark_ll(sk, skb); + sk_mark_napi_id(sk, skb); ret = udpv6_queue_rcv_skb(sk, skb); sock_put(sk); diff --git a/net/sched/sch_qfq.c b/net/sched/sch_qfq.c index 7c195d972bf..a7ab323849b 100644 --- a/net/sched/sch_qfq.c +++ b/net/sched/sch_qfq.c @@ -821,7 +821,14 @@ static void qfq_make_eligible(struct qfq_sched *q) unsigned long old_vslot = q->oldV >> q->min_slot_shift; if (vslot != old_vslot) { - unsigned long mask = (1ULL << fls(vslot ^ old_vslot)) - 1; + unsigned long mask; + int last_flip_pos = fls(vslot ^ old_vslot); + + if (last_flip_pos > 31) /* higher than the number of groups */ + mask = ~0UL; /* make all groups eligible */ + else + mask = (1UL << last_flip_pos) - 1; + qfq_move_groups(q, mask, IR, ER); qfq_move_groups(q, mask, IB, EB); } @@ -1003,9 +1010,61 @@ static inline void charge_actual_service(struct qfq_aggregate *agg) agg->F = agg->S + (u64)service_received * agg->inv_w; } -static inline void qfq_update_agg_ts(struct qfq_sched *q, - struct qfq_aggregate *agg, - enum update_reason reason); +/* Assign a reasonable start time for a new aggregate in group i. + * Admissible values for \hat(F) are multiples of \sigma_i + * no greater than V+\sigma_i . Larger values mean that + * we had a wraparound so we consider the timestamp to be stale. + * + * If F is not stale and F >= V then we set S = F. + * Otherwise we should assign S = V, but this may violate + * the ordering in EB (see [2]). So, if we have groups in ER, + * set S to the F_j of the first group j which would be blocking us. + * We are guaranteed not to move S backward because + * otherwise our group i would still be blocked. + */ +static void qfq_update_start(struct qfq_sched *q, struct qfq_aggregate *agg) +{ + unsigned long mask; + u64 limit, roundedF; + int slot_shift = agg->grp->slot_shift; + + roundedF = qfq_round_down(agg->F, slot_shift); + limit = qfq_round_down(q->V, slot_shift) + (1ULL << slot_shift); + + if (!qfq_gt(agg->F, q->V) || qfq_gt(roundedF, limit)) { + /* timestamp was stale */ + mask = mask_from(q->bitmaps[ER], agg->grp->index); + if (mask) { + struct qfq_group *next = qfq_ffs(q, mask); + if (qfq_gt(roundedF, next->F)) { + if (qfq_gt(limit, next->F)) + agg->S = next->F; + else /* preserve timestamp correctness */ + agg->S = limit; + return; + } + } + agg->S = q->V; + } else /* timestamp is not stale */ + agg->S = agg->F; +} + +/* Update the timestamps of agg before scheduling/rescheduling it for + * service. In particular, assign to agg->F its maximum possible + * value, i.e., the virtual finish time with which the aggregate + * should be labeled if it used all its budget once in service. + */ +static inline void +qfq_update_agg_ts(struct qfq_sched *q, + struct qfq_aggregate *agg, enum update_reason reason) +{ + if (reason != requeue) + qfq_update_start(q, agg); + else /* just charge agg for the service received */ + agg->S = agg->F; + + agg->F = agg->S + (u64)agg->budgetmax * agg->inv_w; +} static void qfq_schedule_agg(struct qfq_sched *q, struct qfq_aggregate *agg); @@ -1128,66 +1187,6 @@ static struct qfq_aggregate *qfq_choose_next_agg(struct qfq_sched *q) return agg; } -/* - * Assign a reasonable start time for a new aggregate in group i. - * Admissible values for \hat(F) are multiples of \sigma_i - * no greater than V+\sigma_i . Larger values mean that - * we had a wraparound so we consider the timestamp to be stale. - * - * If F is not stale and F >= V then we set S = F. - * Otherwise we should assign S = V, but this may violate - * the ordering in EB (see [2]). So, if we have groups in ER, - * set S to the F_j of the first group j which would be blocking us. - * We are guaranteed not to move S backward because - * otherwise our group i would still be blocked. - */ -static void qfq_update_start(struct qfq_sched *q, struct qfq_aggregate *agg) -{ - unsigned long mask; - u64 limit, roundedF; - int slot_shift = agg->grp->slot_shift; - - roundedF = qfq_round_down(agg->F, slot_shift); - limit = qfq_round_down(q->V, slot_shift) + (1ULL << slot_shift); - - if (!qfq_gt(agg->F, q->V) || qfq_gt(roundedF, limit)) { - /* timestamp was stale */ - mask = mask_from(q->bitmaps[ER], agg->grp->index); - if (mask) { - struct qfq_group *next = qfq_ffs(q, mask); - if (qfq_gt(roundedF, next->F)) { - if (qfq_gt(limit, next->F)) - agg->S = next->F; - else /* preserve timestamp correctness */ - agg->S = limit; - return; - } - } - agg->S = q->V; - } else /* timestamp is not stale */ - agg->S = agg->F; -} - -/* - * Update the timestamps of agg before scheduling/rescheduling it for - * service. In particular, assign to agg->F its maximum possible - * value, i.e., the virtual finish time with which the aggregate - * should be labeled if it used all its budget once in service. - */ -static inline void -qfq_update_agg_ts(struct qfq_sched *q, - struct qfq_aggregate *agg, enum update_reason reason) -{ - if (reason != requeue) - qfq_update_start(q, agg); - else /* just charge agg for the service received */ - agg->S = agg->F; - - agg->F = agg->S + (u64)agg->budgetmax * agg->inv_w; -} - -static void qfq_schedule_agg(struct qfq_sched *, struct qfq_aggregate *); - static int qfq_enqueue(struct sk_buff *skb, struct Qdisc *sch) { struct qfq_sched *q = qdisc_priv(sch); diff --git a/net/socket.c b/net/socket.c index 45afa648364..829b460acb8 100644 --- a/net/socket.c +++ b/net/socket.c @@ -104,11 +104,11 @@ #include <linux/route.h> #include <linux/sockios.h> #include <linux/atalk.h> -#include <net/ll_poll.h> +#include <net/busy_poll.h> #ifdef CONFIG_NET_LL_RX_POLL -unsigned int sysctl_net_ll_read __read_mostly; -unsigned int sysctl_net_ll_poll __read_mostly; +unsigned int sysctl_net_busy_read __read_mostly; +unsigned int sysctl_net_busy_poll __read_mostly; #endif static int sock_no_open(struct inode *irrelevant, struct file *dontcare); diff --git a/net/tipc/ib_media.c b/net/tipc/ib_media.c index ad2e1ec4117..9934a32bfa8 100644 --- a/net/tipc/ib_media.c +++ b/net/tipc/ib_media.c @@ -292,13 +292,7 @@ static int ib_addr2str(struct tipc_media_addr *a, char *str_buf, int str_size) if (str_size < 60) /* 60 = 19 * strlen("xx:") + strlen("xx\0") */ return 1; - sprintf(str_buf, "%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x:" - "%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x", - a->value[0], a->value[1], a->value[2], a->value[3], - a->value[4], a->value[5], a->value[6], a->value[7], - a->value[8], a->value[9], a->value[10], a->value[11], - a->value[12], a->value[13], a->value[14], a->value[15], - a->value[16], a->value[17], a->value[18], a->value[19]); + sprintf(str_buf, "%20phC", a->value); return 0; } |