The branch stable/13 has been updated by hselasky: URL: https://cgit.FreeBSD.org/src/commit/?id=ca73c0e25d7f306b15657267d6d372a2e6b38948
commit ca73c0e25d7f306b15657267d6d372a2e6b38948 Author: Hans Petter Selasky <[email protected]> AuthorDate: 2022-02-08 15:08:50 +0000 Commit: Hans Petter Selasky <[email protected]> CommitDate: 2022-02-08 15:08:50 +0000 Update the TCP LRO code to handle both encrypted and un-encrypted traffic. Encrypted and un-encrypted traffic needs to be coalesced separately. Split the 16-bit lro_type field in the address information into two 8-bit fields, and then use the last 8-bit field for flags, which among other indicate if the received mbuf is encrypted or un-encrypted. Differential Revision: https://reviews.freebsd.org/D31377 Reviewed by: gallatin Sponsored by: NVIDIA Networking (cherry picked from commit bb5cd80e8b42b31a2229077a7e93ffd3585eeb78) --- sys/netinet/tcp_lro.c | 5 ++++- sys/netinet/tcp_lro.h | 4 +++- 2 files changed, 7 insertions(+), 2 deletions(-) diff --git a/sys/netinet/tcp_lro.c b/sys/netinet/tcp_lro.c index bcfb8a809e1b..76083498b70e 100644 --- a/sys/netinet/tcp_lro.c +++ b/sys/netinet/tcp_lro.c @@ -370,6 +370,9 @@ tcp_lro_parser(struct mbuf *m, struct lro_parser *po, struct lro_parser *pi, boo po->data.vlan_id = htons(m->m_pkthdr.ether_vtag) & htons(EVL_VLID_MASK); } + /* Store decrypted flag, if any. */ + if (__predict_false(m->m_flags & M_DECRYPTED)) + po->data.lro_flags |= LRO_FLAG_DECRYPTED; } switch (po->data.lro_type) { @@ -1558,7 +1561,7 @@ do_bpf_strip_and_compress(struct inpcb *inp, struct lro_ctrl *lc, uint32_t *ts_ptr; int32_t n_mbuf; bool other_opts, can_compress; - uint16_t lro_type; + uint8_t lro_type; uint16_t iptos; int tcp_hdr_offset; int idx; diff --git a/sys/netinet/tcp_lro.h b/sys/netinet/tcp_lro.h index 75ab78c7fc6f..3eefd4f0537c 100644 --- a/sys/netinet/tcp_lro.h +++ b/sys/netinet/tcp_lro.h @@ -67,12 +67,14 @@ struct inpcb; union lro_address { u_long raw[1]; struct { - uint16_t lro_type; /* internal */ + uint8_t lro_type; /* internal */ #define LRO_TYPE_NONE 0 #define LRO_TYPE_IPV4_TCP 1 #define LRO_TYPE_IPV6_TCP 2 #define LRO_TYPE_IPV4_UDP 3 #define LRO_TYPE_IPV6_UDP 4 + uint8_t lro_flags; +#define LRO_FLAG_DECRYPTED 1 uint16_t vlan_id; /* VLAN identifier */ uint16_t s_port; /* source TCP/UDP port */ uint16_t d_port; /* destination TCP/UDP port */
