diff options
Diffstat (limited to 'freebsd/sys/netinet/tcp_lro.h')
| -rw-r--r-- | freebsd/sys/netinet/tcp_lro.h | 45 |
1 files changed, 37 insertions, 8 deletions
diff --git a/freebsd/sys/netinet/tcp_lro.h b/freebsd/sys/netinet/tcp_lro.h index b3a50179..e019cd1e 100644 --- a/freebsd/sys/netinet/tcp_lro.h +++ b/freebsd/sys/netinet/tcp_lro.h @@ -1,6 +1,7 @@ /*- * Copyright (c) 2006, Myricom Inc. * Copyright (c) 2008, Intel Corporation. + * Copyright (c) 2016 Mellanox Technologies. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -30,9 +31,16 @@ #ifndef _TCP_LRO_H_ #define _TCP_LRO_H_ -struct lro_entry -{ - SLIST_ENTRY(lro_entry) next; +#include <sys/time.h> + +#ifndef TCP_LRO_ENTRIES +/* Define default number of LRO entries per RX queue */ +#define TCP_LRO_ENTRIES 8 +#endif + +struct lro_entry { + LIST_ENTRY(lro_entry) next; + LIST_ENTRY(lro_entry) hash_next; struct mbuf *m_head; struct mbuf *m_tail; union { @@ -59,8 +67,9 @@ struct lro_entry uint32_t tsecr; uint16_t window; uint16_t timestamp; /* flag, not a TCP hdr field. */ + struct timeval mtime; }; -SLIST_HEAD(lro_head, lro_entry); +LIST_HEAD(lro_head, lro_entry); #define le_ip4 leip.ip4 #define le_ip6 leip.ip6 @@ -69,23 +78,43 @@ SLIST_HEAD(lro_head, lro_entry); #define source_ip6 lesource.s_ip6 #define dest_ip6 ledest.d_ip6 +struct lro_mbuf_sort { + uint64_t seq; + struct mbuf *mb; +}; + /* NB: This is part of driver structs. */ struct lro_ctrl { struct ifnet *ifp; - int lro_queued; - int lro_flushed; - int lro_bad_csum; - int lro_cnt; + struct lro_mbuf_sort *lro_mbuf_data; + uint64_t lro_queued; + uint64_t lro_flushed; + uint64_t lro_bad_csum; + unsigned lro_cnt; + unsigned lro_mbuf_count; + unsigned lro_mbuf_max; + unsigned short lro_ackcnt_lim; /* max # of aggregated ACKs */ + unsigned lro_length_lim; /* max len of aggregated data */ + u_long lro_hashsz; + struct lro_head *lro_hash; struct lro_head lro_active; struct lro_head lro_free; }; +#define TCP_LRO_LENGTH_MAX 65535 +#define TCP_LRO_ACKCNT_MAX 65535 /* unlimited */ + int tcp_lro_init(struct lro_ctrl *); +int tcp_lro_init_args(struct lro_ctrl *, struct ifnet *, unsigned, unsigned); void tcp_lro_free(struct lro_ctrl *); +void tcp_lro_flush_inactive(struct lro_ctrl *, const struct timeval *); 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 *); +#define TCP_LRO_NO_ENTRIES -2 #define TCP_LRO_CANNOT -1 #define TCP_LRO_NOT_SUPPORTED 1 |