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| author | Herbert Xu <herbert@gondor.apana.org.au> | 2013-09-07 12:53:35 +1000 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2013-09-07 12:53:35 +1000 |
| commit | eeca9fad52fc4bfdf42c38bfcf383e932eb3e9d6 (patch) | |
| tree | cc51c880459d41c0e8d7576405bef4c987bc7aa0 /include/xen/interface/io/netif.h | |
| parent | ff6f83fc9d44db09997937c3475d525a6866fbb4 (diff) | |
| parent | b48a97be8e6c2afdba2f3b61fd88c3c7743fbd73 (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux
Merge upstream tree in order to reinstate crct10dif.
Diffstat (limited to 'include/xen/interface/io/netif.h')
| -rw-r--r-- | include/xen/interface/io/netif.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/include/xen/interface/io/netif.h b/include/xen/interface/io/netif.h index 3ef3fe05ee99..eb262e3324d2 100644 --- a/include/xen/interface/io/netif.h +++ b/include/xen/interface/io/netif.h @@ -38,6 +38,18 @@ * that it cannot safely queue packets (as it may not be kicked to send them). */ + /* + * "feature-split-event-channels" is introduced to separate guest TX + * and RX notificaion. Backend either doesn't support this feature or + * advertise it via xenstore as 0 (disabled) or 1 (enabled). + * + * To make use of this feature, frontend should allocate two event + * channels for TX and RX, advertise them to backend as + * "event-channel-tx" and "event-channel-rx" respectively. If frontend + * doesn't want to use this feature, it just writes "event-channel" + * node as before. + */ + /* * This is the 'wire' format for packets: * Request 1: xen_netif_tx_request -- XEN_NETTXF_* (any flags) |