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- /*
- * Copyright (c) 2013 Fred Klassen <fklassen at appneta dot com> - AppNeta
- *
- * The Tcpreplay Suite of tools is free software: you can redistribute it
- * and/or modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or with the authors permission any later version.
- *
- * The Tcpreplay Suite is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with the Tcpreplay Suite. If not, see <http://www.gnu.org/licenses/>.
- */
- #ifndef NETMAP_H_
- #define NETMAP_H_
- #include "config.h"
- #include "defines.h"
- #include <sys/socket.h>
- #ifdef __NetBSD__
- #include <net/if_ether.h>
- #else
- #include <netinet/if_ether.h>
- #endif
- #include <net/if.h>
- #include <net/netmap.h>
- #include <net/netmap_user.h>
- #ifdef linux
- # include <linux/ethtool.h>
- # include <linux/sockios.h>
- #endif /* linux */
- #ifndef NETMAP_API
- #define NETMAP_API 0
- #endif
- #if NETMAP_API >= 10
- #define NETMAP_TX_RING_EMPTY(ring) (!nm_tx_pending(ring))
- #define NETMAP_RING_NEXT(r, i) nm_ring_next(r, i)
- #elif defined HAVE_NETMAP_RING_HEAD_TAIL
- #define NETMAP_TX_RING_EMPTY(ring) (nm_ring_space(ring) >= (ring)->num_slots - 1)
- #define NETMAP_RING_NEXT(r, i) nm_ring_next(r, i)
- #else
- #define nm_ring_space(ring) (ring->avail)
- #endif
- #ifndef HAVE_NETMAP_NR_REG
- #define NR_REG_MASK 0xf /* values for nr_flags */
- #if NETMAP_API < 11
- enum { NR_REG_DEFAULT = 0, /* backward compat, used in older versions. */
- NR_REG_ALL_NIC,
- NR_REG_SW,
- NR_REG_NIC_SW,
- NR_REG_ONE_NIC,
- NR_REG_PIPE_MASTER,
- NR_REG_PIPE_SLAVE,
- };
- #endif /* NETMAP_API < 11 */
- #endif
- #ifndef NETMAP_HW_RING
- #define NETMAP_HW_RING 0x4000 /* single NIC ring pair */
- #endif
- #ifndef NETMAP_SW_RING
- #define NETMAP_SW_RING 0x2000 /* only host ring pair */
- #endif
- #ifndef NETMAP_RING_MASK
- #define NETMAP_RING_MASK 0x0fff /* the ring number */
- #endif
- #ifndef NETMAP_NO_TX_POLL
- #define NETMAP_NO_TX_POLL 0x1000 /* no automatic txsync on poll */
- #endif
- #ifndef NETMAP_DO_RX_POLL
- #define NETMAP_DO_RX_POLL 0x8000 /* DO automatic rxsync on poll */
- #endif
- #ifndef NETMAP_BDG_ATTACH
- #define NETMAP_BDG_ATTACH 1 /* attach the NIC */
- #endif
- #ifndef NETMAP_BDG_DETACH
- #define NETMAP_BDG_DETACH 2 /* detach the NIC */
- #endif
- #ifndef NETMAP_BDG_LOOKUP_REG
- #define NETMAP_BDG_LOOKUP_REG 3 /* register lookup function */
- #endif
- #ifndef NETMAP_BDG_LIST
- #define NETMAP_BDG_LIST 4 /* get bridge's info */
- #endif
- #ifndef NETMAP_BDG_VNET_HDR
- #define NETMAP_BDG_VNET_HDR 5 /* set the port virtio-net-hdr length */
- #endif
- #ifndef NETMAP_BDG_OFFSET
- #define NETMAP_BDG_OFFSET NETMAP_BDG_VNET_HDR /* deprecated alias */
- #endif
- #ifndef NETMAP_BDG_HOST
- #define NETMAP_BDG_HOST 1 /* attach the host stack on ATTACH */
- #endif
- #ifdef HAVE_NETMAP_NR_FLAGS
- typedef struct nmreq nmreq_t;
- #else
- struct tcpr_nmreq {
- char nr_name[IFNAMSIZ];
- uint32_t nr_version; /* API version */
- uint32_t nr_offset; /* nifp offset in the shared region */
- uint32_t nr_memsize; /* size of the shared region */
- uint32_t nr_tx_slots; /* slots in tx rings */
- uint32_t nr_rx_slots; /* slots in rx rings */
- uint16_t nr_tx_rings; /* number of tx rings */
- uint16_t nr_rx_rings; /* number of rx rings */
- uint16_t nr_ringid; /* ring(s) we care about */
- uint16_t nr_cmd;
- uint16_t nr_arg1; /* reserve extra rings in NIOCREGIF */
- uint16_t nr_arg2;
- uint32_t nr_arg3; /* req. extra buffers in NIOCREGIF */
- uint32_t nr_flags;
- /* various modes, extends nr_ringid */
- uint32_t spare2[1];
- };
- typedef struct tcpr_nmreq nmreq_t;
- #endif /* HAVE_NETMAP_NR_FLAGS */
- #define NETMAP_TX_TIMEOUT_SEC 10
- int get_netmap_version(void);
- void *sendpacket_open_netmap(const char *device, char *errbuf, void *arg);
- void sendpacket_close_netmap(void *p);
- bool netmap_tx_queues_empty(void *p);
- int sendpacket_send_netmap(void *p, const u_char *data, size_t len);
- #endif /* NETMAP_H_ */
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