diff options
| author |   Nathan Skrzypczak <nathan.skrzypczak@gmail.com> | 2019-05-22 18:41:50 +0200 |
|---|---|---|
| committer |   Florin Coras <florin.coras@gmail.com> | 2019-06-28 19:28:17 +0000 |
| commit | e82a7ade8a9667f1e49067bf59010f60beda5452 (patch) | |
| tree | 619ead31dfa9a20e1fcd0043e79da5fb564b9a9f /src/svm/svm_fifo.h | |
| parent | f73d4c2084c9cb6df4a1f8582acef523e4ba0cb2 (diff) | |
quic : Use TX event for app read notification
Type: feature
Change-Id: I1846cdeb35f079249f66a0351aa244c540923a43
Signed-off-by: Nathan Skrzypczak <nathan.skrzypczak@gmail.com>
Diffstat (limited to 'src/svm/svm_fifo.h')
| -rw-r--r-- | src/svm/svm_fifo.h | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/src/svm/svm_fifo.h b/src/svm/svm_fifo.h index b5b26ac479b..ce73be2d0f0 100644 --- a/src/svm/svm_fifo.h +++ b/src/svm/svm_fifo.h @@ -45,6 +45,7 @@ typedef enum svm_fifo_tx_ntf_ SVM_FIFO_NO_TX_NOTIF = 0, SVM_FIFO_WANT_TX_NOTIF = 1, SVM_FIFO_WANT_TX_NOTIF_IF_FULL = 2, + SVM_FIFO_WANT_TX_NOTIF_IF_EMPTY = 4, } svm_fifo_tx_ntf_t; typedef struct @@ -820,15 +821,18 @@ svm_fifo_needs_tx_ntf (svm_fifo_t * f, u32 n_last_deq) return 0; else if (want_ntf & SVM_FIFO_WANT_TX_NOTIF) return 1; - else if (want_ntf & SVM_FIFO_WANT_TX_NOTIF_IF_FULL) + if (want_ntf & SVM_FIFO_WANT_TX_NOTIF_IF_FULL) { u32 max_deq = svm_fifo_max_dequeue_cons (f); u32 nitems = f->nitems; if (!f->has_tx_ntf && max_deq < nitems && max_deq + n_last_deq >= nitems) return 1; - - return 0; + } + if (want_ntf & SVM_FIFO_WANT_TX_NOTIF_IF_EMPTY) + { + if (!f->has_tx_ntf && svm_fifo_is_empty (f)) + return 1; } return 0; } |