diff options
| author | David Howells <dhowells@redhat.com> | 2024-02-01 13:29:36 +0300 |
|---|---|---|
| committer | David Howells <dhowells@redhat.com> | 2024-03-06 02:35:26 +0300 |
| commit | 4b68137a20bc88fbbdf32301ed604ef000c94e5c (patch) | |
| tree | 403956ef1799300be36f10cf13457d57c085e231 /net/rxrpc/ar-internal.h | |
| parent | 37473e41623409286ab2f5db628a59d4da9a79d7 (diff) | |
| download | linux-4b68137a20bc88fbbdf32301ed604ef000c94e5c.tar.xz | |
rxrpc: Extract useful fields from a received ACK to skb priv data
Extract useful fields from a received ACK packet into the skb private data
early on in the process of parsing incoming packets. This makes the ACK
fields available even before we've matched the ACK up to a call and will
allow us to deal with path MTU discovery probe responses even after the
relevant call has been completed.
Signed-off-by: David Howells <dhowells@redhat.com>
cc: Marc Dionne <marc.dionne@auristor.com>
cc: "David S. Miller" <davem@davemloft.net>
cc: Eric Dumazet <edumazet@google.com>
cc: Jakub Kicinski <kuba@kernel.org>
cc: Paolo Abeni <pabeni@redhat.com>
cc: linux-afs@lists.infradead.org
cc: netdev@vger.kernel.org
Diffstat (limited to 'net/rxrpc/ar-internal.h')
| -rw-r--r-- | net/rxrpc/ar-internal.h | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/net/rxrpc/ar-internal.h b/net/rxrpc/ar-internal.h index 21ecac22b51d..08c0a32db8c7 100644 --- a/net/rxrpc/ar-internal.h +++ b/net/rxrpc/ar-internal.h @@ -198,8 +198,8 @@ struct rxrpc_host_header { * - max 48 bytes (struct sk_buff::cb) */ struct rxrpc_skb_priv { - struct rxrpc_connection *conn; /* Connection referred to (poke packet) */ union { + struct rxrpc_connection *conn; /* Connection referred to (poke packet) */ struct { u16 offset; /* Offset of data */ u16 len; /* Length of data */ @@ -208,9 +208,12 @@ struct rxrpc_skb_priv { }; struct { rxrpc_seq_t first_ack; /* First packet in acks table */ + rxrpc_seq_t prev_ack; /* Highest seq seen */ + rxrpc_serial_t acked_serial; /* Packet in response to (or 0) */ + u8 reason; /* Reason for ack */ u8 nr_acks; /* Number of acks+nacks */ u8 nr_nacks; /* Number of nacks */ - }; + } ack; }; struct rxrpc_host_header hdr; /* RxRPC packet header from this packet */ }; |