diff options
Diffstat (limited to 'net/core')
| -rw-r--r-- | net/core/neighbour.c | 29 | ||||
| -rw-r--r-- | net/core/skbuff.c | 5 | ||||
| -rw-r--r-- | net/core/sock.c | 6 | ||||
| -rw-r--r-- | net/core/sysctl_net_core.c | 8 |
4 files changed, 34 insertions, 14 deletions
diff --git a/net/core/neighbour.c b/net/core/neighbour.c index b7de821f98df..9232c68941ab 100644 --- a/net/core/neighbour.c +++ b/net/core/neighbour.c @@ -2767,6 +2767,7 @@ EXPORT_SYMBOL(neigh_app_ns); #ifdef CONFIG_SYSCTL static int zero; +static int int_max = INT_MAX; static int unres_qlen_max = INT_MAX / SKB_TRUESIZE(ETH_FRAME_LEN); static int proc_unres_qlen(struct ctl_table *ctl, int write, @@ -2819,19 +2820,25 @@ static struct neigh_sysctl_table { .procname = "mcast_solicit", .maxlen = sizeof(int), .mode = 0644, - .proc_handler = proc_dointvec, + .extra1 = &zero, + .extra2 = &int_max, + .proc_handler = proc_dointvec_minmax, }, [NEIGH_VAR_UCAST_PROBE] = { .procname = "ucast_solicit", .maxlen = sizeof(int), .mode = 0644, - .proc_handler = proc_dointvec, + .extra1 = &zero, + .extra2 = &int_max, + .proc_handler = proc_dointvec_minmax, }, [NEIGH_VAR_APP_PROBE] = { .procname = "app_solicit", .maxlen = sizeof(int), .mode = 0644, - .proc_handler = proc_dointvec, + .extra1 = &zero, + .extra2 = &int_max, + .proc_handler = proc_dointvec_minmax, }, [NEIGH_VAR_RETRANS_TIME] = { .procname = "retrans_time", @@ -2874,7 +2881,9 @@ static struct neigh_sysctl_table { .procname = "proxy_qlen", .maxlen = sizeof(int), .mode = 0644, - .proc_handler = proc_dointvec, + .extra1 = &zero, + .extra2 = &int_max, + .proc_handler = proc_dointvec_minmax, }, [NEIGH_VAR_ANYCAST_DELAY] = { .procname = "anycast_delay", @@ -2916,19 +2925,25 @@ static struct neigh_sysctl_table { .procname = "gc_thresh1", .maxlen = sizeof(int), .mode = 0644, - .proc_handler = proc_dointvec, + .extra1 = &zero, + .extra2 = &int_max, + .proc_handler = proc_dointvec_minmax, }, [NEIGH_VAR_GC_THRESH2] = { .procname = "gc_thresh2", .maxlen = sizeof(int), .mode = 0644, - .proc_handler = proc_dointvec, + .extra1 = &zero, + .extra2 = &int_max, + .proc_handler = proc_dointvec_minmax, }, [NEIGH_VAR_GC_THRESH3] = { .procname = "gc_thresh3", .maxlen = sizeof(int), .mode = 0644, - .proc_handler = proc_dointvec, + .extra1 = &zero, + .extra2 = &int_max, + .proc_handler = proc_dointvec_minmax, }, {}, }, diff --git a/net/core/skbuff.c b/net/core/skbuff.c index 20e02d2605ec..2c3d0f53d198 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c @@ -309,7 +309,8 @@ EXPORT_SYMBOL(__alloc_skb); * @frag_size: size of fragment, or 0 if head was kmalloced * * Allocate a new &sk_buff. Caller provides space holding head and - * skb_shared_info. @data must have been allocated by kmalloc() + * skb_shared_info. @data must have been allocated by kmalloc() only if + * @frag_size is 0, otherwise data should come from the page allocator. * The return is the new skb buffer. * On a failure the return is %NULL, and @data is not freed. * Notes : @@ -739,7 +740,7 @@ static void __copy_skb_header(struct sk_buff *new, const struct sk_buff *old) skb_copy_secmark(new, old); -#ifdef CONFIG_NET_LL_RX_POLL +#ifdef CONFIG_NET_RX_BUSY_POLL new->napi_id = old->napi_id; #endif } diff --git a/net/core/sock.c b/net/core/sock.c index 548d716c5f62..2c097c5a35dd 100644 --- a/net/core/sock.c +++ b/net/core/sock.c @@ -900,7 +900,7 @@ set_rcvbuf: sock_valbool_flag(sk, SOCK_SELECT_ERR_QUEUE, valbool); break; -#ifdef CONFIG_NET_LL_RX_POLL +#ifdef CONFIG_NET_RX_BUSY_POLL case SO_BUSY_POLL: /* allow unprivileged users to decrease the value */ if ((val > sk->sk_ll_usec) && !capable(CAP_NET_ADMIN)) @@ -1170,7 +1170,7 @@ int sock_getsockopt(struct socket *sock, int level, int optname, v.val = sock_flag(sk, SOCK_SELECT_ERR_QUEUE); break; -#ifdef CONFIG_NET_LL_RX_POLL +#ifdef CONFIG_NET_RX_BUSY_POLL case SO_BUSY_POLL: v.val = sk->sk_ll_usec; break; @@ -2292,7 +2292,7 @@ void sock_init_data(struct socket *sock, struct sock *sk) sk->sk_stamp = ktime_set(-1L, 0); -#ifdef CONFIG_NET_LL_RX_POLL +#ifdef CONFIG_NET_RX_BUSY_POLL sk->sk_napi_id = 0; 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 660968616637..31107abd2783 100644 --- a/net/core/sysctl_net_core.c +++ b/net/core/sysctl_net_core.c @@ -21,7 +21,9 @@ #include <net/net_ratelimit.h> #include <net/busy_poll.h> +static int zero = 0; static int one = 1; +static int ushort_max = USHRT_MAX; #ifdef CONFIG_RPS static int rps_sock_flow_sysctl(struct ctl_table *table, int write, @@ -298,7 +300,7 @@ static struct ctl_table net_core_table[] = { .proc_handler = flow_limit_table_len_sysctl }, #endif /* CONFIG_NET_FLOW_LIMIT */ -#ifdef CONFIG_NET_LL_RX_POLL +#ifdef CONFIG_NET_RX_BUSY_POLL { .procname = "busy_poll", .data = &sysctl_net_busy_poll, @@ -339,7 +341,9 @@ static struct ctl_table netns_core_table[] = { .data = &init_net.core.sysctl_somaxconn, .maxlen = sizeof(int), .mode = 0644, - .proc_handler = proc_dointvec + .extra1 = &zero, + .extra2 = &ushort_max, + .proc_handler = proc_dointvec_minmax }, { } }; |