diff options
Diffstat (limited to 'freebsd/sys/netinet/tcp_lro.h')
| -rw-r--r-- | freebsd/sys/netinet/tcp_lro.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/freebsd/sys/netinet/tcp_lro.h b/freebsd/sys/netinet/tcp_lro.h index 855f4ee4..1c6d2dd5 100644 --- a/freebsd/sys/netinet/tcp_lro.h +++ b/freebsd/sys/netinet/tcp_lro.h @@ -45,6 +45,8 @@ struct lro_entry { LIST_ENTRY(lro_entry) hash_next; struct mbuf *m_head; struct mbuf *m_tail; + struct mbuf *m_last_mbuf; + struct mbuf *m_prev_last; union { struct ip *ip4; struct ip6_hdr *ip6; @@ -67,10 +69,22 @@ struct lro_entry { uint32_t ack_seq; /* tcp_seq */ uint32_t tsval; uint32_t tsecr; + uint32_t tcp_tot_p_len; /* TCP payload length of chain */ uint16_t window; uint16_t timestamp; /* flag, not a TCP hdr field. */ + uint16_t need_wakeup; + uint16_t mbuf_cnt; /* Count of mbufs collected see note */ + uint16_t mbuf_appended; struct timeval mtime; }; +/* + * Note: The mbuf_cnt field tracks our number of mbufs added to the m_next + * list. Each mbuf counted can have data and of course it will + * have an ack as well (by defintion any inbound tcp segment will + * have an ack value. We use this count to tell us how many ACK's + * are present for our ack-count threshold. If we exceed that or + * the data threshold we will wake up the endpoint. + */ LIST_HEAD(lro_head, lro_entry); #define le_ip4 leip.ip4 @@ -115,6 +129,8 @@ void tcp_lro_flush(struct lro_ctrl *, struct lro_entry *); void tcp_lro_flush_all(struct lro_ctrl *); int tcp_lro_rx(struct lro_ctrl *, struct mbuf *, uint32_t); void tcp_lro_queue_mbuf(struct lro_ctrl *, struct mbuf *); +void tcp_lro_reg_mbufq(void); +void tcp_lro_dereg_mbufq(void); #define TCP_LRO_NO_ENTRIES -2 #define TCP_LRO_CANNOT -1 |