Date: Thu, 10 May 2018 20:39:04 +0000 (UTC) From: Navdeep Parhar <np@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r333472 - head/sys/dev/cxgbe Message-ID: <201805102039.w4AKd4x7010899@repo.freebsd.org>
next in thread | raw e-mail | index | archive | help
Author: np Date: Thu May 10 20:39:04 2018 New Revision: 333472 URL: https://svnweb.freebsd.org/changeset/base/333472 Log: cxgbe(4): Add fields to support configuration of hardware NAT and swapmac (SMAC/DMAC switcheroo) from userspace. Sponsored by: Chelsio Communications Modified: head/sys/dev/cxgbe/t4_ioctl.h Modified: head/sys/dev/cxgbe/t4_ioctl.h ============================================================================== --- head/sys/dev/cxgbe/t4_ioctl.h Thu May 10 20:27:12 2018 (r333471) +++ head/sys/dev/cxgbe/t4_ioctl.h Thu May 10 20:39:04 2018 (r333472) @@ -160,12 +160,23 @@ enum { RSS subtable */ }; +enum { + NAT_MODE_NONE = 0, /* No NAT performed */ + NAT_MODE_DIP, /* NAT on Dst IP */ + NAT_MODE_DIP_DP, /* NAT on Dst IP, Dst Port */ + NAT_MODE_DIP_DP_SIP, /* NAT on Dst IP, Dst Port and Src IP */ + NAT_MODE_DIP_DP_SP, /* NAT on Dst IP, Dst Port and Src Port */ + NAT_MODE_SIP_SP, /* NAT on Src IP and Src Port */ + NAT_MODE_DIP_SIP_SP, /* NAT on Dst IP, Src IP and Src Port */ + NAT_MODE_ALL /* NAT on entire 4-tuple */ +}; + struct t4_filter_tuple { /* * These are always available. */ uint8_t sip[16]; /* source IP address (IPv4 in [3:0]) */ - uint8_t dip[16]; /* destinatin IP address (IPv4 in [3:0]) */ + uint8_t dip[16]; /* destination IP address (IPv4 in [3:0]) */ uint16_t sport; /* source port */ uint16_t dport; /* destination port */ @@ -210,10 +221,19 @@ struct t4_filter_specification { uint32_t eport:2; /* egress port to switch packet out */ uint32_t newdmac:1; /* rewrite destination MAC address */ uint32_t newsmac:1; /* rewrite source MAC address */ + uint32_t swapmac:1; /* swap SMAC/DMAC for loopback packet */ uint32_t newvlan:2; /* rewrite VLAN Tag */ + uint32_t nat_mode:3; /* NAT operation mode */ + uint32_t nat_flag_chk:1;/* check TCP flags before NAT'ing */ + uint32_t nat_seq_chk; /* sequence value to use for NAT check*/ uint8_t dmac[ETHER_ADDR_LEN]; /* new destination MAC address */ uint8_t smac[ETHER_ADDR_LEN]; /* new source MAC address */ uint16_t vlan; /* VLAN Tag to insert */ + + uint8_t nat_dip[16]; /* destination IP to use after NAT'ing */ + uint8_t nat_sip[16]; /* source IP to use after NAT'ing */ + uint16_t nat_dport; /* destination port to use after NAT'ing */ + uint16_t nat_sport; /* source port to use after NAT'ing */ /* * Filter rule value/mask pairs.
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?201805102039.w4AKd4x7010899>