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| author | David Howells <dhowells@redhat.com> | 2019-09-02 11:43:44 +0100 |
|---|---|---|
| committer | David Howells <dhowells@redhat.com> | 2019-09-02 11:43:44 +0100 |
| commit | f16180739cd18a39a1a45516ac0e65d18a9f100e (patch) | |
| tree | 22d1135650f8ddb25707c788cd4846c77b428ff0 /net/rxrpc/protocol.h | |
| parent | 9f159ae07f07fc540290f21937231034f554bdd7 (diff) | |
| parent | e1e54ec7fb55501c33b117c111cb0a045b8eded2 (diff) | |
Merge remote-tracking branch 'net/master' into afs-next
Diffstat (limited to 'net/rxrpc/protocol.h')
| -rw-r--r-- | net/rxrpc/protocol.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/net/rxrpc/protocol.h b/net/rxrpc/protocol.h index 99ce322d7caa..49bb972539aa 100644 --- a/net/rxrpc/protocol.h +++ b/net/rxrpc/protocol.h @@ -89,6 +89,15 @@ struct rxrpc_jumbo_header { #define RXRPC_JUMBO_DATALEN 1412 /* non-terminal jumbo packet data length */ #define RXRPC_JUMBO_SUBPKTLEN (RXRPC_JUMBO_DATALEN + sizeof(struct rxrpc_jumbo_header)) +/* + * The maximum number of subpackets that can possibly fit in a UDP packet is: + * + * ((max_IP - IP_hdr - UDP_hdr) / RXRPC_JUMBO_SUBPKTLEN) + 1 + * = ((65535 - 28 - 28) / 1416) + 1 + * = 46 non-terminal packets and 1 terminal packet. + */ +#define RXRPC_MAX_NR_JUMBO 47 + /*****************************************************************************/ /* * on-the-wire Rx ACK packet data payload |