diff options
Diffstat (limited to 'sys/dev/cxgbe/t4_ioctl.h')
| -rw-r--r-- | sys/dev/cxgbe/t4_ioctl.h | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/sys/dev/cxgbe/t4_ioctl.h b/sys/dev/cxgbe/t4_ioctl.h index 65e95cf..8f1d133 100644 --- a/sys/dev/cxgbe/t4_ioctl.h +++ b/sys/dev/cxgbe/t4_ioctl.h @@ -31,6 +31,9 @@ #ifndef __T4_IOCTL_H__ #define __T4_IOCTL_H__ +#include <sys/types.h> +#include <net/ethernet.h> + /* * Ioctl commands specific to this driver. */ @@ -38,6 +41,11 @@ enum { T4_GETREG = 0x40, /* read register */ T4_SETREG, /* write register */ T4_REGDUMP, /* dump of all registers */ + T4_GET_FILTER_MODE, /* get global filter mode */ + T4_SET_FILTER_MODE, /* set global filter mode */ + T4_GET_FILTER, /* get information about a filter */ + T4_SET_FILTER, /* program a filter */ + T4_DEL_FILTER, /* delete a filter */ }; struct t4_reg { @@ -53,7 +61,133 @@ struct t4_regdump { uint32_t *data; }; +/* + * A hardware filter is some valid combination of these. + */ +#define T4_FILTER_IPv4 0x1 /* IPv4 packet */ +#define T4_FILTER_IPv6 0x2 /* IPv6 packet */ +#define T4_FILTER_IP_SADDR 0x4 /* Source IP address or network */ +#define T4_FILTER_IP_DADDR 0x8 /* Destination IP address or network */ +#define T4_FILTER_IP_SPORT 0x10 /* Source IP port */ +#define T4_FILTER_IP_DPORT 0x20 /* Destination IP port */ +#define T4_FILTER_FCoE 0x40 /* Fibre Channel over Ethernet packet */ +#define T4_FILTER_PORT 0x80 /* Physical ingress port */ +#define T4_FILTER_OVLAN 0x100 /* Outer VLAN ID */ +#define T4_FILTER_IVLAN 0x200 /* Inner VLAN ID */ +#define T4_FILTER_IP_TOS 0x400 /* IPv4 TOS/IPv6 Traffic Class */ +#define T4_FILTER_IP_PROTO 0x800 /* IP protocol */ +#define T4_FILTER_ETH_TYPE 0x1000 /* Ethernet Type */ +#define T4_FILTER_MAC_IDX 0x2000 /* MPS MAC address match index */ +#define T4_FILTER_MPS_HIT_TYPE 0x4000 /* MPS match type */ +#define T4_FILTER_IP_FRAGMENT 0x8000 /* IP fragment */ + +/* Filter action */ +enum { + FILTER_PASS = 0, /* default */ + FILTER_DROP, + FILTER_SWITCH +}; + +/* 802.1q manipulation on FILTER_SWITCH */ +enum { + VLAN_NOCHANGE = 0, /* default */ + VLAN_REMOVE, + VLAN_INSERT, + VLAN_REWRITE +}; + +/* MPS match type */ +enum { + UCAST_EXACT = 0, /* exact unicast match */ + UCAST_HASH = 1, /* inexact (hashed) unicast match */ + MCAST_EXACT = 2, /* exact multicast match */ + MCAST_HASH = 3, /* inexact (hashed) multicast match */ + PROMISC = 4, /* no match but port is promiscuous */ + HYPPROMISC = 5, /* port is hypervisor-promisuous + not bcast */ + BCAST = 6, /* broadcast packet */ +}; + +/* Rx steering */ +enum { + DST_MODE_QUEUE, /* queue is directly specified by filter */ + DST_MODE_RSS_QUEUE, /* filter specifies RSS entry containing queue */ + DST_MODE_RSS, /* queue selected by default RSS hash lookup */ + DST_MODE_FILT_RSS /* queue selected by hashing in filter-specified + RSS subtable */ +}; + +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]) */ + uint16_t sport; /* source port */ + uint16_t dport; /* destination port */ + + /* + * A combination of these (upto 36 bits) is available. TP_VLAN_PRI_MAP + * is used to select the global mode and all filters are limited to the + * set of fields allowed by the global mode. + */ + uint16_t ovlan; /* outer VLAN */ + uint16_t ivlan; /* inner VLAN */ + uint16_t ethtype; /* Ethernet type */ + uint8_t tos; /* TOS/Traffic Type */ + uint8_t proto; /* protocol type */ + uint32_t fcoe:1; /* FCoE packet */ + uint32_t iport:3; /* ingress port */ + uint32_t matchtype:3; /* MPS match type */ + uint32_t frag:1; /* fragmentation extension header */ + uint32_t macidx:9; /* exact match MAC index */ + uint32_t ivlan_vld:1; /* inner VLAN valid */ + uint32_t ovlan_vld:1; /* outer VLAN valid */ +}; + +struct t4_filter_specification { + uint32_t hitcnts:1; /* count filter hits in TCB */ + uint32_t prio:1; /* filter has priority over active/server */ + uint32_t type:1; /* 0 => IPv4, 1 => IPv6 */ + uint32_t action:2; /* drop, pass, switch */ + uint32_t rpttid:1; /* report TID in RSS hash field */ + uint32_t dirsteer:1; /* 0 => RSS, 1 => steer to iq */ + uint32_t iq:10; /* ingress queue */ + uint32_t maskhash:1; /* dirsteer=0: store RSS hash in TCB */ + uint32_t dirsteerhash:1;/* dirsteer=1: 0 => TCB contains RSS hash */ + /* 1 => TCB contains IQ ID */ + + /* + * Switch proxy/rewrite fields. An ingress packet which matches a + * filter with "switch" set will be looped back out as an egress + * packet -- potentially with some Ethernet header rewriting. + */ + 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 newvlan:2; /* rewrite VLAN Tag */ + 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 */ + + /* + * Filter rule value/mask pairs. + */ + struct t4_filter_tuple val; + struct t4_filter_tuple mask; +}; + +struct t4_filter { + uint32_t idx; + uint64_t hits; + struct t4_filter_specification fs; +}; + #define CHELSIO_T4_GETREG _IOWR('f', T4_GETREG, struct t4_reg) #define CHELSIO_T4_SETREG _IOW('f', T4_SETREG, struct t4_reg) #define CHELSIO_T4_REGDUMP _IOWR('f', T4_REGDUMP, struct t4_regdump) +#define CHELSIO_T4_GET_FILTER_MODE _IOWR('f', T4_GET_FILTER_MODE, uint32_t) +#define CHELSIO_T4_SET_FILTER_MODE _IOW('f', T4_SET_FILTER_MODE, uint32_t) +#define CHELSIO_T4_GET_FILTER _IOWR('f', T4_GET_FILTER, struct t4_filter) +#define CHELSIO_T4_SET_FILTER _IOW('f', T4_SET_FILTER, struct t4_filter) +#define CHELSIO_T4_DEL_FILTER _IOW('f', T4_DEL_FILTER, struct t4_filter) #endif |
