diff options
Diffstat (limited to 'dpdk/dpdk-16.04_patches/0024-net-enic-fix-Rx-scatter-with-multiple-queues.patch')
-rw-r--r-- | dpdk/dpdk-16.04_patches/0024-net-enic-fix-Rx-scatter-with-multiple-queues.patch | 80 |
1 files changed, 0 insertions, 80 deletions
diff --git a/dpdk/dpdk-16.04_patches/0024-net-enic-fix-Rx-scatter-with-multiple-queues.patch b/dpdk/dpdk-16.04_patches/0024-net-enic-fix-Rx-scatter-with-multiple-queues.patch deleted file mode 100644 index d581702d47a..00000000000 --- a/dpdk/dpdk-16.04_patches/0024-net-enic-fix-Rx-scatter-with-multiple-queues.patch +++ /dev/null @@ -1,80 +0,0 @@ -From 658069b0c5994e260cd7d0a7dfc7f03d78dd4f5a Mon Sep 17 00:00:00 2001 -From: Nelson Escobar <neescoba@cisco.com> -Date: Tue, 28 Jun 2016 11:49:11 -0700 -Subject: [PATCH 24/25] net/enic: fix Rx scatter with multiple queues - -The Rx scatter patch failed to make a few changes and resulted in -problems when using multiple receive queues (RQs) in DPDK (ie RSS) -since the wrong adapter resources were being used. - -- get and use the correct completion queue index associated with a - receive queue. -- set the correct receive queue index when using RSS - -Fixes: 856d7ba7ed22 ("net/enic: support scattered Rx") - -Signed-off-by: Nelson Escobar <neescoba@cisco.com> -Reviewed-by: John Daley <johndale@cisco.com> ---- - drivers/net/enic/enic.h | 6 +++++- - drivers/net/enic/enic_main.c | 10 ++++++---- - 2 files changed, 11 insertions(+), 5 deletions(-) - -diff --git a/drivers/net/enic/enic.h b/drivers/net/enic/enic.h -index 175adb8..8b0fa05 100644 ---- a/drivers/net/enic/enic.h -+++ b/drivers/net/enic/enic.h -@@ -165,7 +165,11 @@ static inline unsigned int enic_data_rq(__rte_unused struct enic *enic, unsigned - - static inline unsigned int enic_cq_rq(__rte_unused struct enic *enic, unsigned int rq) - { -- return rq; -+ /* Scatter rx uses two receive queues together with one -+ * completion queue, so the completion queue number is no -+ * longer the same as the rq number. -+ */ -+ return rq / 2; - } - - static inline unsigned int enic_cq_wq(struct enic *enic, unsigned int wq) -diff --git a/drivers/net/enic/enic_main.c b/drivers/net/enic/enic_main.c -index 0547f3b..976c9da 100644 ---- a/drivers/net/enic/enic_main.c -+++ b/drivers/net/enic/enic_main.c -@@ -252,19 +252,20 @@ void enic_init_vnic_resources(struct enic *enic) - vnic_dev_stats_clear(enic->vdev); - - for (index = 0; index < enic->rq_count; index++) { -+ cq_idx = enic_cq_rq(enic, enic_sop_rq(enic, index)); -+ - vnic_rq_init(&enic->rq[enic_sop_rq(enic, index)], -- enic_cq_rq(enic, index), -+ cq_idx, - error_interrupt_enable, - error_interrupt_offset); - - data_rq = &enic->rq[enic_data_rq(enic, index)]; - if (data_rq->in_use) - vnic_rq_init(data_rq, -- enic_cq_rq(enic, index), -+ cq_idx, - error_interrupt_enable, - error_interrupt_offset); - -- cq_idx = enic_cq_rq(enic, index); - vnic_cq_init(&enic->cq[cq_idx], - 0 /* flow_control_enable */, - 1 /* color_enable */, -@@ -896,7 +897,8 @@ static int enic_set_rsscpu(struct enic *enic, u8 rss_hash_bits) - return -ENOMEM; - - for (i = 0; i < (1 << rss_hash_bits); i++) -- (*rss_cpu_buf_va).cpu[i/4].b[i%4] = i % enic->rq_count; -+ (*rss_cpu_buf_va).cpu[i / 4].b[i % 4] = -+ enic_sop_rq(enic, i % enic->rq_count); - - err = enic_set_rss_cpu(enic, - rss_cpu_buf_pa, --- -2.7.0 - |