From: Ajit Khaparde <ajit.khaparde@broadcom.com> To: dev@dpdk.org Cc: Somnath Kotur <somnath.kotur@broadcom.com>, Sriharsha Basavapatna <sriharsha.basavapatna@broadcom.com>, Venkat Duvvuru <venkatkumar.duvvuru@broadcom.com> Subject: [dpdk-dev] [PATCH 22/25] net/bnxt: fix bugs in representor data path Date: Thu, 10 Sep 2020 18:56:00 -0700 Message-ID: <20200911015603.88359-23-ajit.khaparde@broadcom.com> (raw) In-Reply-To: <20200911015603.88359-1-ajit.khaparde@broadcom.com> From: Somnath Kotur <somnath.kotur@broadcom.com> 1.Representor Rx ring producer index was not getting reset in the ring full case. Fix it by incrementing only in success case. 2.Instead of calling the mbuf specific routine to free the mbuf when representor ring is full rte_free was being called leading to 'invalid memory' errors being logged. 3. Do not account the pkt meant for the representor in the parent Rx ring's array that is returned to the application. Fixes: 6dc83230b43b ("net/bnxt: support port representor data path") Signed-off-by: Somnath Kotur <somnath.kotur@broadcom.com> Reviewed-by: Sriharsha Basavapatna <sriharsha.basavapatna@broadcom.com> Reviewed-by: Venkat Duvvuru <venkatkumar.duvvuru@broadcom.com> --- drivers/net/bnxt/bnxt_reps.c | 7 ++++--- drivers/net/bnxt/bnxt_rxr.c | 27 +++++++++++++-------------- 2 files changed, 17 insertions(+), 17 deletions(-) diff --git a/drivers/net/bnxt/bnxt_reps.c b/drivers/net/bnxt/bnxt_reps.c index 9d5fa7394..fd111bec5 100644 --- a/drivers/net/bnxt/bnxt_reps.c +++ b/drivers/net/bnxt/bnxt_reps.c @@ -55,16 +55,17 @@ bnxt_vfr_recv(uint16_t port_id, uint16_t queue_id, struct rte_mbuf *mbuf) mask = rep_rxr->rx_ring_struct->ring_mask; /* Put this mbuf on the RxQ of the Representor */ - prod_rx_buf = - &rep_rxr->rx_buf_ring[rep_rxr->rx_prod++ & mask]; + prod_rx_buf = &rep_rxr->rx_buf_ring[rep_rxr->rx_prod & mask]; if (!prod_rx_buf->mbuf) { prod_rx_buf->mbuf = mbuf; vfr_bp->rx_bytes[que] += mbuf->pkt_len; vfr_bp->rx_pkts[que]++; + rep_rxr->rx_prod++; } else { + /* Representor Rx ring full, drop pkt */ vfr_bp->rx_drop_bytes[que] += mbuf->pkt_len; vfr_bp->rx_drop_pkts[que]++; - rte_pktmbuf_free(mbuf); /* Representor Rx ring full, drop pkt */ + rte_pktmbuf_free(mbuf); } return 0; diff --git a/drivers/net/bnxt/bnxt_rxr.c b/drivers/net/bnxt/bnxt_rxr.c index b08689814..5bfe62a2a 100644 --- a/drivers/net/bnxt/bnxt_rxr.c +++ b/drivers/net/bnxt/bnxt_rxr.c @@ -733,6 +733,19 @@ static int bnxt_rx_pkt(struct rte_mbuf **rx_pkt, goto rx; } rxr->rx_prod = prod; + + if (BNXT_TRUFLOW_EN(bp) && (BNXT_VF_IS_TRUSTED(bp) || BNXT_PF(bp)) && + vfr_flag) { + bnxt_vfr_recv(mark_id, rxq->queue_id, mbuf); + /* Now return an error so that nb_rx_pkts is not + * incremented. + * This packet was meant to be given to the representor. + * So no need to account the packet and give it to + * parent Rx burst function. + */ + rc = -ENODEV; + goto next_rx; + } /* * All MBUFs are allocated with the same size under DPDK, * no optimization for rx_copy_thresh @@ -740,20 +753,6 @@ static int bnxt_rx_pkt(struct rte_mbuf **rx_pkt, rx: *rx_pkt = mbuf; - if (BNXT_TRUFLOW_EN(bp) && - (BNXT_VF_IS_TRUSTED(bp) || BNXT_PF(bp)) && - vfr_flag) { - if (!bnxt_vfr_recv(mark_id, rxq->queue_id, mbuf)) { - /* Now return an error so that nb_rx_pkts is not - * incremented. - * This packet was meant to be given to the representor. - * So no need to account the packet and give it to - * parent Rx burst function. - */ - rc = -ENODEV; - } - } - next_rx: *raw_cons = tmp_raw_cons; -- 2.21.1 (Apple Git-122.3)
next prev parent reply other threads:[~2020-09-11 2:00 UTC|newest] Thread overview: 56+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-09-11 1:55 [dpdk-dev] [PATCH 00/25] patchset for bnxt Ajit Khaparde 2020-09-11 1:55 ` [dpdk-dev] [PATCH 01/25] net/bnxt: fix port stop process and cleanup resources Ajit Khaparde 2020-09-11 1:55 ` [dpdk-dev] [PATCH 02/25] net/bnxt: fix the drop action flow to support count action Ajit Khaparde 2020-09-11 1:55 ` [dpdk-dev] [PATCH 03/25] net/bnxt: reject offload flows with invalid MAC address Ajit Khaparde 2020-09-11 1:55 ` [dpdk-dev] [PATCH 04/25] net/bnxt: reduce debug log messages Ajit Khaparde 2020-09-11 1:55 ` [dpdk-dev] [PATCH 05/25] net/bnxt: fix to break the ipv4 and ipv6 ingress rule Ajit Khaparde 2020-09-11 1:55 ` [dpdk-dev] [PATCH 06/25] net/bnxt: free the em index on failure Ajit Khaparde 2020-09-11 1:55 ` [dpdk-dev] [PATCH 07/25] net/bnxt: add a null ptr check for the resource manager Ajit Khaparde 2020-09-11 1:55 ` [dpdk-dev] [PATCH 08/25] net/bnxt: change default flow rule to use 8B encap Ajit Khaparde 2020-09-11 1:55 ` [dpdk-dev] [PATCH 09/25] net/bnxt: fix the function id used in the flow flush Ajit Khaparde 2020-09-11 1:55 ` [dpdk-dev] [PATCH 10/25] net/bnxt: vfr port clean up during port stop Ajit Khaparde 2020-09-11 1:55 ` [dpdk-dev] [PATCH 11/25] net/bnxt: fix crash in VF rep queue selection Ajit Khaparde 2020-09-11 1:55 ` [dpdk-dev] [PATCH 12/25] net/bnxt: fix to conditionally rollback added VF-rep ports Ajit Khaparde 2020-09-11 1:55 ` [dpdk-dev] [PATCH 13/25] net/bnxt: update resource allocation settings Ajit Khaparde 2020-09-11 1:55 ` [dpdk-dev] [PATCH 14/25] net/bnxt: move IF tbl from tunneled to direct HWRM msg Ajit Khaparde 2020-09-11 1:55 ` [dpdk-dev] [PATCH 15/25] net/bnxt: remove VLAN pop action for egress flows Ajit Khaparde 2020-09-11 1:55 ` [dpdk-dev] [PATCH 16/25] net/bnxt: increase counter support from 8K to 16K Ajit Khaparde 2020-09-11 1:55 ` [dpdk-dev] [PATCH 17/25] net/bnxt: fix to explicitly check and set for start cntr ID Ajit Khaparde 2020-09-11 1:55 ` [dpdk-dev] [PATCH 18/25] net/bnxt: enable support for VXLAN ipv6 encapsulation Ajit Khaparde 2020-09-11 1:55 ` [dpdk-dev] [PATCH 19/25] net/bnxt: enable support for nat action with tagged traffic Ajit Khaparde 2020-09-11 1:55 ` [dpdk-dev] [PATCH 20/25] net/bnxt: fix out of bound access in action bit handling Ajit Khaparde 2020-09-11 1:55 ` [dpdk-dev] [PATCH 21/25] net/bnxt: provide switch info while VF-Reps are configured Ajit Khaparde 2020-09-11 1:56 ` Ajit Khaparde [this message] 2020-09-11 1:56 ` [dpdk-dev] [PATCH 23/25] net/bnxt: add support for locks in flow database Ajit Khaparde 2020-09-11 1:56 ` [dpdk-dev] [PATCH 24/25] net/bnxt: fix to check for vnic ptr in bnxt shutdown path Ajit Khaparde 2020-09-11 1:56 ` [dpdk-dev] [PATCH 25/25] net/bnxt: fix to have a separate mutex for FW health check Ajit Khaparde 2020-09-16 4:28 ` [dpdk-dev] [PATCH v2 00/25] patchset for bnxt Ajit Khaparde 2020-09-16 4:28 ` [dpdk-dev] [PATCH v2 01/25] net/bnxt: fix resource cleanup in port stop Ajit Khaparde 2020-09-16 4:28 ` [dpdk-dev] [PATCH v2 02/25] net/bnxt: fix the drop action flow to support count Ajit Khaparde 2020-09-16 4:28 ` [dpdk-dev] [PATCH v2 03/25] net/bnxt: reject flow offload with invalid MAC Ajit Khaparde 2020-09-16 4:28 ` [dpdk-dev] [PATCH v2 04/25] net/bnxt: reduce debug log messages Ajit Khaparde 2020-09-16 4:28 ` [dpdk-dev] [PATCH v2 05/25] net/bnxt: fix coexistence of ipv4 and ipv6 ingress rules Ajit Khaparde 2020-09-16 4:28 ` [dpdk-dev] [PATCH v2 06/25] net/bnxt: free the EM index on failure Ajit Khaparde 2020-09-16 4:28 ` [dpdk-dev] [PATCH v2 07/25] net/bnxt: add null pointer check for resource manager Ajit Khaparde 2020-09-16 4:28 ` [dpdk-dev] [PATCH v2 08/25] net/bnxt: modify default flow rule creation Ajit Khaparde 2020-09-16 4:28 ` [dpdk-dev] [PATCH v2 09/25] net/bnxt: fix the function id used in flow flush Ajit Khaparde 2020-09-16 4:28 ` [dpdk-dev] [PATCH v2 10/25] net/bnxt: refactor VFR port clean up Ajit Khaparde 2020-09-16 4:28 ` [dpdk-dev] [PATCH v2 11/25] net/bnxt: fix crash in VFR queue select Ajit Khaparde 2020-09-16 4:28 ` [dpdk-dev] [PATCH v2 12/25] net/bnxt: fix VFR cleanup during init failure Ajit Khaparde 2020-09-16 4:28 ` [dpdk-dev] [PATCH v2 13/25] net/bnxt: update resource settings Ajit Khaparde 2020-09-16 4:28 ` [dpdk-dev] [PATCH v2 14/25] net/bnxt: use direct HWRM message for interface table Ajit Khaparde 2020-09-16 4:28 ` [dpdk-dev] [PATCH v2 15/25] net/bnxt: remove VLAN pop action for egress flows Ajit Khaparde 2020-09-16 4:28 ` [dpdk-dev] [PATCH v2 16/25] net/bnxt: increase counter support from 8K to 16K Ajit Khaparde 2020-09-16 4:28 ` [dpdk-dev] [PATCH v2 17/25] net/bnxt: check and set initial counter ID Ajit Khaparde 2020-09-16 4:28 ` [dpdk-dev] [PATCH v2 18/25] net/bnxt: enable VXLAN ipv6 encapsulation Ajit Khaparde 2020-09-16 4:28 ` [dpdk-dev] [PATCH v2 19/25] net/bnxt: enable NAT action with tagged traffic Ajit Khaparde 2020-09-16 4:28 ` [dpdk-dev] [PATCH v2 20/25] net/bnxt: fix out of bound access in bit handling Ajit Khaparde 2020-09-16 4:28 ` [dpdk-dev] [PATCH v2 21/25] net/bnxt: provide switch info if VFR are configured Ajit Khaparde 2020-09-16 4:28 ` [dpdk-dev] [PATCH v2 22/25] net/bnxt: fix bugs in representor data path Ajit Khaparde 2020-09-16 4:28 ` [dpdk-dev] [PATCH v2 23/25] net/bnxt: add locks in flow database Ajit Khaparde 2020-09-16 4:28 ` [dpdk-dev] [PATCH v2 24/25] net/bnxt: fix to check VNIC in shutdown path Ajit Khaparde 2020-09-16 4:28 ` [dpdk-dev] [PATCH v2 25/25] net/bnxt: add separate mutex for FW health check Ajit Khaparde 2020-09-16 16:21 ` [dpdk-dev] [PATCH v2 00/25] patchset for bnxt Ajit Khaparde 2020-09-16 23:57 ` Ferruh Yigit 2020-09-17 0:13 ` Ajit Khaparde 2020-09-17 7:39 ` Ferruh Yigit
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