diff options
Diffstat (limited to 'include/rxrpc/packet.h')
| -rw-r--r-- | include/rxrpc/packet.h | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/include/rxrpc/packet.h b/include/rxrpc/packet.h index b2017440b765..703a64b4681a 100644 --- a/include/rxrpc/packet.h +++ b/include/rxrpc/packet.h @@ -24,6 +24,7 @@ typedef __be32 rxrpc_serial_net_t; /* on-the-wire Rx message serial number */ */ struct rxrpc_wire_header { __be32 epoch; /* client boot timestamp */ +#define RXRPC_RANDOM_EPOCH 0x80000000 /* Random if set, date-based if not */ __be32 cid; /* connection and channel ID */ #define RXRPC_MAXCALLS 4 /* max active calls per conn */ @@ -33,8 +34,6 @@ struct rxrpc_wire_header { #define RXRPC_CID_INC (1 << RXRPC_CIDSHIFT) /* connection ID increment */ __be32 callNumber; /* call ID (0 for connection-level packets) */ -#define RXRPC_PROCESS_MAXCALLS (1<<2) /* maximum number of active calls per conn (power of 2) */ - __be32 seq; /* sequence number of pkt in call stream */ __be32 serial; /* serial number of pkt sent to network */ @@ -92,10 +91,14 @@ struct rxrpc_wire_header { struct rxrpc_jumbo_header { uint8_t flags; /* packet flags (as per rxrpc_header) */ uint8_t pad; - __be16 _rsvd; /* reserved (used by kerberos security as cksum) */ + union { + __be16 _rsvd; /* reserved */ + __be16 cksum; /* kerberos security checksum */ + }; }; #define RXRPC_JUMBO_DATALEN 1412 /* non-terminal jumbo packet data length */ +#define RXRPC_JUMBO_SUBPKTLEN (RXRPC_JUMBO_DATALEN + sizeof(struct rxrpc_jumbo_header)) /*****************************************************************************/ /* @@ -120,6 +123,7 @@ struct rxrpc_ackpacket { #define RXRPC_ACK_PING_RESPONSE 7 /* response to RXRPC_ACK_PING */ #define RXRPC_ACK_DELAY 8 /* nothing happened since received packet */ #define RXRPC_ACK_IDLE 9 /* ACK due to fully received ACK window */ +#define RXRPC_ACK__INVALID 10 /* Representation of invalid ACK reason */ uint8_t nAcks; /* number of ACKs */ #define RXRPC_MAXACKS 255 @@ -130,6 +134,13 @@ struct rxrpc_ackpacket { } __packed; +/* Some ACKs refer to specific packets and some are general and can be updated. */ +#define RXRPC_ACK_UPDATEABLE ((1 << RXRPC_ACK_REQUESTED) | \ + (1 << RXRPC_ACK_PING_RESPONSE) | \ + (1 << RXRPC_ACK_DELAY) | \ + (1 << RXRPC_ACK_IDLE)) + + /* * ACK packets can have a further piece of information tagged on the end */ |