diff options
Diffstat (limited to 'include/net/ip.h')
| -rw-r--r-- | include/net/ip.h | 22 |
1 files changed, 15 insertions, 7 deletions
diff --git a/include/net/ip.h b/include/net/ip.h index c3fffaa92d6e..50d435855ae2 100644 --- a/include/net/ip.h +++ b/include/net/ip.h @@ -76,6 +76,7 @@ struct ipcm_cookie { __be32 addr; int oif; struct ip_options_rcu *opt; + __u8 protocol; __u8 ttl; __s16 tos; char priority; @@ -96,6 +97,7 @@ static inline void ipcm_init_sk(struct ipcm_cookie *ipcm, ipcm->sockc.tsflags = inet->sk.sk_tsflags; ipcm->oif = READ_ONCE(inet->sk.sk_bound_dev_if); ipcm->addr = inet->inet_saddr; + ipcm->protocol = inet->inet_num; } #define IPCB(skb) ((struct inet_skb_parm*)((skb)->cb)) @@ -220,8 +222,6 @@ int ip_append_data(struct sock *sk, struct flowi4 *fl4, unsigned int flags); int ip_generic_getfrag(void *from, char *to, int offset, int len, int odd, struct sk_buff *skb); -ssize_t ip_append_page(struct sock *sk, struct flowi4 *fl4, struct page *page, - int offset, size_t size, int flags); struct sk_buff *__ip_make_skb(struct sock *sk, struct flowi4 *fl4, struct sk_buff_head *queue, struct inet_cork *cork); @@ -242,14 +242,22 @@ static inline struct sk_buff *ip_finish_skb(struct sock *sk, struct flowi4 *fl4) return __ip_make_skb(sk, fl4, &sk->sk_write_queue, &inet_sk(sk)->cork.base); } -static inline __u8 get_rttos(struct ipcm_cookie* ipc, struct inet_sock *inet) +/* Get the route scope that should be used when sending a packet. */ +static inline u8 ip_sendmsg_scope(const struct inet_sock *inet, + const struct ipcm_cookie *ipc, + const struct msghdr *msg) { - return (ipc->tos != -1) ? RT_TOS(ipc->tos) : RT_TOS(inet->tos); + if (sock_flag(&inet->sk, SOCK_LOCALROUTE) || + msg->msg_flags & MSG_DONTROUTE || + (ipc->opt && ipc->opt->opt.is_strictroute)) + return RT_SCOPE_LINK; + + return RT_SCOPE_UNIVERSE; } -static inline __u8 get_rtconn_flags(struct ipcm_cookie* ipc, struct sock* sk) +static inline __u8 get_rttos(struct ipcm_cookie* ipc, struct inet_sock *inet) { - return (ipc->tos != -1) ? RT_CONN_FLAGS_TOS(sk, ipc->tos) : RT_CONN_FLAGS(sk); + return (ipc->tos != -1) ? RT_TOS(ipc->tos) : RT_TOS(inet->tos); } /* datagram.c */ @@ -280,7 +288,7 @@ void ip_send_unicast_reply(struct sock *sk, struct sk_buff *skb, const struct ip_options *sopt, __be32 daddr, __be32 saddr, const struct ip_reply_arg *arg, - unsigned int len, u64 transmit_time); + unsigned int len, u64 transmit_time, u32 txhash); #define IP_INC_STATS(net, field) SNMP_INC_STATS64((net)->mib.ip_statistics, field) #define __IP_INC_STATS(net, field) __SNMP_INC_STATS64((net)->mib.ip_statistics, field) |