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| author | Paul Durrant <Paul.Durrant@citrix.com> | 2016-03-10 12:30:27 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2016-03-13 22:08:01 -0400 |
| commit | 562abd39a1902745bdcab266c7824cd6c5bc34d3 (patch) | |
| tree | e4c6dd06060b89a11b76deb2cabd965a6d8582b0 /drivers/net/xen-netback/common.h | |
| parent | 6b8abef5f833b03be1b5af491193477ad609ad35 (diff) | |
| download | linux-562abd39a1902745bdcab266c7824cd6c5bc34d3.tar.bz2 | |
xen-netback: support multiple extra info fragments passed from frontend
The code does not currently support a frontend passing multiple extra info
fragments to the backend in a tx request. The xenvif_get_extras() function
handles multiple extra_info fragments but make_tx_response() assumes there
is only ever a single extra info fragment.
This patch modifies xenvif_get_extras() to pass back a count of extra
info fragments, which is then passed to make_tx_response() (after
possibly being stashed in pending_tx_info for deferred responses).
Signed-off-by: Paul Durrant <paul.durrant@citrix.com>
Cc: Wei Liu <wei.liu2@citrix.com>
Acked-by: Wei Liu <wei.liu2@citrix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/xen-netback/common.h')
| -rw-r--r-- | drivers/net/xen-netback/common.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/net/xen-netback/common.h b/drivers/net/xen-netback/common.h index 112825200d41..f44b38846420 100644 --- a/drivers/net/xen-netback/common.h +++ b/drivers/net/xen-netback/common.h @@ -52,6 +52,7 @@ typedef unsigned int pending_ring_idx_t; struct pending_tx_info { struct xen_netif_tx_request req; /* tx request */ + unsigned int extra_count; /* Callback data for released SKBs. The callback is always * xenvif_zerocopy_callback, desc contains the pending_idx, which is * also an index in pending_tx_info array. It is initialized in |