diff options
Diffstat (limited to 'include/net/sock.h')
| -rw-r--r-- | include/net/sock.h | 45 |
1 files changed, 33 insertions, 12 deletions
diff --git a/include/net/sock.h b/include/net/sock.h index 156350745700..b91c8868ab8d 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -181,7 +181,8 @@ struct sock_common { unsigned short skc_family; volatile unsigned char skc_state; unsigned char skc_reuse:4; - unsigned char skc_reuseport:4; + unsigned char skc_reuseport:1; + unsigned char skc_ipv6only:1; int skc_bound_dev_if; union { struct hlist_node skc_bind_node; @@ -272,6 +273,7 @@ struct cg_proto; * @sk_rcvtimeo: %SO_RCVTIMEO setting * @sk_sndtimeo: %SO_SNDTIMEO setting * @sk_rxhash: flow hash received from netif layer + * @sk_txhash: computed flow hash for use on transmit * @sk_filter: socket filtering instructions * @sk_protinfo: private area, net family specific, when not using slab * @sk_timer: sock cleanup timer @@ -317,6 +319,7 @@ struct sock { #define sk_state __sk_common.skc_state #define sk_reuse __sk_common.skc_reuse #define sk_reuseport __sk_common.skc_reuseport +#define sk_ipv6only __sk_common.skc_ipv6only #define sk_bound_dev_if __sk_common.skc_bound_dev_if #define sk_bind_node __sk_common.skc_bind_node #define sk_prot __sk_common.skc_prot @@ -345,6 +348,7 @@ struct sock { #ifdef CONFIG_RPS __u32 sk_rxhash; #endif + __u32 sk_txhash; #ifdef CONFIG_NET_RX_BUSY_POLL unsigned int sk_napi_id; unsigned int sk_ll_usec; @@ -656,6 +660,20 @@ static inline void sk_add_bind_node(struct sock *sk, #define sk_for_each_bound(__sk, list) \ hlist_for_each_entry(__sk, list, sk_bind_node) +/** + * sk_nulls_for_each_entry_offset - iterate over a list at a given struct offset + * @tpos: the type * to use as a loop cursor. + * @pos: the &struct hlist_node to use as a loop cursor. + * @head: the head for your list. + * @offset: offset of hlist_node within the struct. + * + */ +#define sk_nulls_for_each_entry_offset(tpos, pos, head, offset) \ + for (pos = (head)->first; \ + (!is_a_nulls(pos)) && \ + ({ tpos = (typeof(*tpos) *)((void *)pos - offset); 1;}); \ + pos = pos->next) + static inline struct user_namespace *sk_user_ns(struct sock *sk) { /* Careful only use this in a context where these parameters @@ -689,7 +707,6 @@ enum sock_flags { SOCK_TIMESTAMPING_RX_SOFTWARE, /* %SOF_TIMESTAMPING_RX_SOFTWARE */ SOCK_TIMESTAMPING_SOFTWARE, /* %SOF_TIMESTAMPING_SOFTWARE */ SOCK_TIMESTAMPING_RAW_HARDWARE, /* %SOF_TIMESTAMPING_RAW_HARDWARE */ - SOCK_TIMESTAMPING_SYS_HARDWARE, /* %SOF_TIMESTAMPING_SYS_HARDWARE */ SOCK_FASYNC, /* fasync() active */ SOCK_RXQ_OVFL, SOCK_ZEROCOPY, /* buffers from userspace */ @@ -792,8 +809,7 @@ static inline void __sk_add_backlog(struct sock *sk, struct sk_buff *skb) * Do not take into account this skb truesize, * to allow even a single big packet to come. */ -static inline bool sk_rcvqueues_full(const struct sock *sk, const struct sk_buff *skb, - unsigned int limit) +static inline bool sk_rcvqueues_full(const struct sock *sk, unsigned int limit) { unsigned int qsize = sk->sk_backlog.len + atomic_read(&sk->sk_rmem_alloc); @@ -804,7 +820,7 @@ static inline bool sk_rcvqueues_full(const struct sock *sk, const struct sk_buff static inline __must_check int sk_add_backlog(struct sock *sk, struct sk_buff *skb, unsigned int limit) { - if (sk_rcvqueues_full(sk, skb, limit)) + if (sk_rcvqueues_full(sk, limit)) return -ENOBUFS; __sk_add_backlog(sk, skb); @@ -1978,6 +1994,14 @@ static inline void sock_poll_wait(struct file *filp, } } +static inline void skb_set_hash_from_sk(struct sk_buff *skb, struct sock *sk) +{ + if (sk->sk_txhash) { + skb->l4_hash = 1; + skb->hash = sk->sk_txhash; + } +} + /* * Queue a received datagram if it will fit. Stream and sequenced * protocols can't normally use this as they need to fit buffers in @@ -1992,6 +2016,7 @@ static inline void skb_set_owner_w(struct sk_buff *skb, struct sock *sk) skb_orphan(skb); skb->sk = sk; skb->destructor = sock_wfree; + skb_set_hash_from_sk(skb, sk); /* * We used to take a refcount on sk, but following operation * is enough to guarantee sk_free() wont free this sock until @@ -2140,16 +2165,13 @@ sock_recv_timestamp(struct msghdr *msg, struct sock *sk, struct sk_buff *skb) * - software time stamp available and wanted * (SOCK_TIMESTAMPING_SOFTWARE) * - hardware time stamps available and wanted - * (SOCK_TIMESTAMPING_SYS_HARDWARE or - * SOCK_TIMESTAMPING_RAW_HARDWARE) + * SOCK_TIMESTAMPING_RAW_HARDWARE */ if (sock_flag(sk, SOCK_RCVTSTAMP) || sock_flag(sk, SOCK_TIMESTAMPING_RX_SOFTWARE) || (kt.tv64 && sock_flag(sk, SOCK_TIMESTAMPING_SOFTWARE)) || (hwtstamps->hwtstamp.tv64 && - sock_flag(sk, SOCK_TIMESTAMPING_RAW_HARDWARE)) || - (hwtstamps->syststamp.tv64 && - sock_flag(sk, SOCK_TIMESTAMPING_SYS_HARDWARE))) + sock_flag(sk, SOCK_TIMESTAMPING_RAW_HARDWARE))) __sock_recv_timestamp(msg, sk, skb); else sk->sk_stamp = kt; @@ -2167,8 +2189,7 @@ static inline void sock_recv_ts_and_drops(struct msghdr *msg, struct sock *sk, #define FLAGS_TS_OR_DROPS ((1UL << SOCK_RXQ_OVFL) | \ (1UL << SOCK_RCVTSTAMP) | \ (1UL << SOCK_TIMESTAMPING_SOFTWARE) | \ - (1UL << SOCK_TIMESTAMPING_RAW_HARDWARE) | \ - (1UL << SOCK_TIMESTAMPING_SYS_HARDWARE)) + (1UL << SOCK_TIMESTAMPING_RAW_HARDWARE)) if (sk->sk_flags & FLAGS_TS_OR_DROPS) __sock_recv_ts_and_drops(msg, sk, skb); |