diff options
Diffstat (limited to 'passt.h')
| -rw-r--r-- | passt.h | 30 |
1 files changed, 25 insertions, 5 deletions
@@ -20,6 +20,7 @@ union epoll_ref; #include "siphash.h" #include "ip.h" #include "inany.h" +#include "migrate.h" #include "flow.h" #include "icmp.h" #include "fwd.h" @@ -68,12 +69,11 @@ union epoll_ref { static_assert(sizeof(union epoll_ref) <= sizeof(union epoll_data), "epoll_ref must have same size as epoll_data"); -#define TAP_BUF_BYTES \ - ROUND_DOWN(((ETH_MAX_MTU + sizeof(uint32_t)) * 128), PAGE_SIZE) +/* Large enough for ~128 maximum size frames */ +#define PKT_BUF_BYTES (8UL << 20) #define TAP_MSGS \ - DIV_ROUND_UP(TAP_BUF_BYTES, ETH_ZLEN - 2 * ETH_ALEN + sizeof(uint32_t)) + DIV_ROUND_UP(PKT_BUF_BYTES, ETH_ZLEN - 2 * ETH_ALEN + sizeof(uint32_t)) -#define PKT_BUF_BYTES MAX(TAP_BUF_BYTES, 0) extern char pkt_buf [PKT_BUF_BYTES]; extern char *epoll_type_str[]; @@ -193,6 +193,7 @@ struct ip6_ctx { * @foreground: Run in foreground, don't log to stderr by default * @nofile: Maximum number of open files (ulimit -n) * @sock_path: Path for UNIX domain socket + * @repair_path: TCP_REPAIR helper path, can be "none", empty for default * @pcap: Path for packet capture file * @pidfile: Path to PID file, empty string if not configured * @pidfile_fd: File descriptor for PID file, -1 if none @@ -203,12 +204,16 @@ struct ip6_ctx { * @epollfd: File descriptor for epoll instance * @fd_tap_listen: File descriptor for listening AF_UNIX socket, if any * @fd_tap: AF_UNIX socket, tuntap device, or pre-opened socket + * @fd_repair_listen: File descriptor for listening TCP_REPAIR socket, if any + * @fd_repair: Connected AF_UNIX socket for TCP_REPAIR helper * @our_tap_mac: Pasta/passt's MAC on the tap link * @guest_mac: MAC address of guest or namespace, seen or configured * @hash_secret: 128-bit secret for siphash functions * @ifi4: Template interface for IPv4, -1: none, 0: IPv4 disabled * @ip: IPv4 configuration * @dns_search: DNS search list + * @hostname: Guest hostname + * @fqdn: Guest FQDN * @ifi6: Template interface for IPv6, -1: none, 0: IPv6 disabled * @ip6: IPv6 configuration * @pasta_ifn: Name of namespace interface for pasta @@ -235,6 +240,9 @@ struct ip6_ctx { * @low_wmem: Low probed net.core.wmem_max * @low_rmem: Low probed net.core.rmem_max * @vdev: vhost-user device + * @device_state_fd: Device state migration channel + * @device_state_result: Device state migration result + * @migrate_target: Are we the target, on the next migration request? */ struct ctx { enum passt_modes mode; @@ -244,6 +252,7 @@ struct ctx { int foreground; int nofile; char sock_path[UNIX_PATH_MAX]; + char repair_path[UNIX_PATH_MAX]; char pcap[PATH_MAX]; char pidfile[PATH_MAX]; @@ -260,8 +269,12 @@ struct ctx { int epollfd; int fd_tap_listen; int fd_tap; + int fd_repair_listen; + int fd_repair; unsigned char our_tap_mac[ETH_ALEN]; unsigned char guest_mac[ETH_ALEN]; + uint16_t mtu; + uint64_t hash_secret[2]; int ifi4; @@ -269,6 +282,9 @@ struct ctx { struct fqdn dns_search[MAXDNSRCH]; + char hostname[PASST_MAXDNAME]; + char fqdn[PASST_MAXDNAME]; + int ifi6; struct ip6_ctx ip6; @@ -283,7 +299,6 @@ struct ctx { int no_icmp; struct icmp_ctx icmp; - int mtu; int no_dns; int no_dns_search; int no_dhcp_dns; @@ -300,6 +315,11 @@ struct ctx { int low_rmem; struct vu_dev *vdev; + + /* Migration */ + int device_state_fd; + int device_state_result; + bool migrate_target; }; void proto_update_l2_buf(const unsigned char *eth_d, |