diff options
Diffstat (limited to 'debian/patches/nicvf-0010-net-thunderx-fix-deadlock-in-Rx-path.patch')
| -rw-r--r-- | debian/patches/nicvf-0010-net-thunderx-fix-deadlock-in-Rx-path.patch | 58 |
1 files changed, 0 insertions, 58 deletions
diff --git a/debian/patches/nicvf-0010-net-thunderx-fix-deadlock-in-Rx-path.patch b/debian/patches/nicvf-0010-net-thunderx-fix-deadlock-in-Rx-path.patch deleted file mode 100644 index 8773671b..00000000 --- a/debian/patches/nicvf-0010-net-thunderx-fix-deadlock-in-Rx-path.patch +++ /dev/null @@ -1,58 +0,0 @@ -From b31eb105463fa1844c19fde382dd6bd294329831 Mon Sep 17 00:00:00 2001 -From: Jerin Jacob <jerin.jacob@caviumnetworks.com> -Date: Tue, 2 May 2017 00:11:55 +0530 -Subject: [PATCH] net/thunderx: fix deadlock in Rx path - -RBDR buffers are refilled when SW consumes the buffers from CQ. -This creates deadlock case when CQ buffers exhausted due to lack -of RBDR buffers. Fix is to refill the RBDR when rx_free_thresh -meet, irrespective of the number of CQ buffers consumed. - -Fixes: e2d7fc9f0a24 ("net/thunderx: add single and multi-segment Rx") -Cc: stable@dpdk.org - -Signed-off-by: Jerin Jacob <jerin.jacob@caviumnetworks.com> ---- - drivers/net/thunderx/nicvf_rxtx.c | 18 ++++++++---------- - 1 file changed, 8 insertions(+), 10 deletions(-) - -Origin: http://dpdk.org/browse/dpdk/commit/?id=b31eb105463fa1844c19fde382dd6bd294329831 -Original-Author: Jerin Jacob <jerin.jacob@caviumnetworks.com> -Bug-Ubuntu: https://bugs.launchpad.net/ubuntu/+source/dpdk/+bug/1691659 -Author: Christian Ehrhardt <christian.ehrhardt@canonical.com> -Last-Update: 2017-05-18 - ---- a/drivers/net/thunderx/nicvf_rxtx.c -+++ b/drivers/net/thunderx/nicvf_rxtx.c -@@ -469,11 +469,10 @@ - rxq->head = cqe_head; - nicvf_addr_write(rxq->cq_door, to_process); - rxq->recv_buffers += to_process; -- if (rxq->recv_buffers > rxq->rx_free_thresh) { -- rxq->recv_buffers -= nicvf_fill_rbdr(rxq, -- rxq->rx_free_thresh); -- NICVF_RX_ASSERT(rxq->recv_buffers >= 0); -- } -+ } -+ if (rxq->recv_buffers > rxq->rx_free_thresh) { -+ rxq->recv_buffers -= nicvf_fill_rbdr(rxq, rxq->rx_free_thresh); -+ NICVF_RX_ASSERT(rxq->recv_buffers >= 0); - } - - return to_process; -@@ -563,11 +562,10 @@ - rxq->head = cqe_head; - nicvf_addr_write(rxq->cq_door, to_process); - rxq->recv_buffers += buffers_consumed; -- if (rxq->recv_buffers > rxq->rx_free_thresh) { -- rxq->recv_buffers -= -- nicvf_fill_rbdr(rxq, rxq->rx_free_thresh); -- NICVF_RX_ASSERT(rxq->recv_buffers >= 0); -- } -+ } -+ if (rxq->recv_buffers > rxq->rx_free_thresh) { -+ rxq->recv_buffers -= nicvf_fill_rbdr(rxq, rxq->rx_free_thresh); -+ NICVF_RX_ASSERT(rxq->recv_buffers >= 0); - } - - return to_process; |