diff options
Diffstat (limited to 'include/linux/skbuff.h')
| -rw-r--r-- | include/linux/skbuff.h | 26 |
1 files changed, 10 insertions, 16 deletions
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index ec89301ada41..281deced7469 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -112,8 +112,7 @@ #define CHECKSUM_COMPLETE 2 #define CHECKSUM_PARTIAL 3 -#define SKB_DATA_ALIGN(X) (((X) + (SMP_CACHE_BYTES - 1)) & \ - ~(SMP_CACHE_BYTES - 1)) +#define SKB_DATA_ALIGN(X) ALIGN(X, SMP_CACHE_BYTES) #define SKB_WITH_OVERHEAD(X) \ ((X) - SKB_DATA_ALIGN(sizeof(struct skb_shared_info))) #define SKB_MAX_ORDER(X, ORDER) \ @@ -211,18 +210,9 @@ static inline void skb_frag_size_sub(skb_frag_t *frag, int delta) * struct skb_shared_hwtstamps - hardware time stamps * @hwtstamp: hardware time stamp transformed into duration * since arbitrary point in time - * @syststamp: hwtstamp transformed to system time base * * Software time stamps generated by ktime_get_real() are stored in - * skb->tstamp. The relation between the different kinds of time - * stamps is as follows: - * - * syststamp and tstamp can be compared against each other in - * arbitrary combinations. The accuracy of a - * syststamp/tstamp/"syststamp from other device" comparison is - * limited by the accuracy of the transformation into system time - * base. This depends on the device driver and its underlying - * hardware. + * skb->tstamp. * * hwtstamps can only be compared against other hwtstamps from * the same device. @@ -232,7 +222,6 @@ static inline void skb_frag_size_sub(skb_frag_t *frag, int delta) */ struct skb_shared_hwtstamps { ktime_t hwtstamp; - ktime_t syststamp; }; /* Definitions for tx_flags in struct skb_shared_info */ @@ -455,6 +444,7 @@ static inline u32 skb_mstamp_us_delta(const struct skb_mstamp *t1, * @ooo_okay: allow the mapping of a socket to a queue to be changed * @l4_hash: indicate hash is a canonical 4-tuple hash over transport * ports. + * @sw_hash: indicates hash was computed in software stack * @wifi_acked_valid: wifi_acked was set * @wifi_acked: whether frame was acked on wifi or not * @no_fcs: Request NIC to treat last 4 bytes as Ethernet FCS @@ -562,6 +552,7 @@ struct sk_buff { __u8 pfmemalloc:1; __u8 ooo_okay:1; __u8 l4_hash:1; + __u8 sw_hash:1; __u8 wifi_acked_valid:1; __u8 wifi_acked:1; __u8 no_fcs:1; @@ -575,7 +566,7 @@ struct sk_buff { __u8 encap_hdr_csum:1; __u8 csum_valid:1; __u8 csum_complete_sw:1; - /* 3/5 bit hole (depending on ndisc_nodetype presence) */ + /* 2/4 bit hole (depending on ndisc_nodetype presence) */ kmemcheck_bitfield_end(flags2); #if defined CONFIG_NET_DMA || defined CONFIG_NET_RX_BUSY_POLL @@ -830,13 +821,14 @@ static inline void skb_set_hash(struct sk_buff *skb, __u32 hash, enum pkt_hash_types type) { skb->l4_hash = (type == PKT_HASH_TYPE_L4); + skb->sw_hash = 0; skb->hash = hash; } void __skb_get_hash(struct sk_buff *skb); static inline __u32 skb_get_hash(struct sk_buff *skb) { - if (!skb->l4_hash) + if (!skb->l4_hash && !skb->sw_hash) __skb_get_hash(skb); return skb->hash; @@ -850,6 +842,7 @@ static inline __u32 skb_get_hash_raw(const struct sk_buff *skb) static inline void skb_clear_hash(struct sk_buff *skb) { skb->hash = 0; + skb->sw_hash = 0; skb->l4_hash = 0; } @@ -862,6 +855,7 @@ static inline void skb_clear_hash_if_not_l4(struct sk_buff *skb) static inline void skb_copy_hash(struct sk_buff *to, const struct sk_buff *from) { to->hash = from->hash; + to->sw_hash = from->sw_hash; to->l4_hash = from->l4_hash; }; @@ -3005,7 +2999,7 @@ static inline bool skb_rx_queue_recorded(const struct sk_buff *skb) return skb->queue_mapping != 0; } -u16 __skb_tx_hash(const struct net_device *dev, const struct sk_buff *skb, +u16 __skb_tx_hash(const struct net_device *dev, struct sk_buff *skb, unsigned int num_tx_queues); static inline struct sec_path *skb_sec_path(struct sk_buff *skb) |