From: Michal Krawczyk <mk@semihalf.com>
To: Marcin Wojtas <mw@semihalf.com>,
Michal Krawczyk <mk@semihalf.com>,
Guy Tzalik <gtzalik@amazon.com>,
Evgeny Schemeilin <evgenys@amazon.com>
Cc: dev@dpdk.org, matua@amazon.com, Rafal Kozik <rk@semihalf.com>
Subject: [dpdk-dev] [PATCH v3 19/27] net/ena: validate Tx req id
Date: Thu, 7 Jun 2018 11:43:14 +0200 [thread overview]
Message-ID: <20180607094322.14312-19-mk@semihalf.com> (raw)
In-Reply-To: <20180607094322.14312-1-mk@semihalf.com>
From: Rafal Kozik <rk@semihalf.com>
Validate Tx req id during clearing completed packets.
If id is wrong, trigger NIC reset.
Signed-off-by: Rafal Kozik <rk@semihalf.com>
Acked-by: Michal Krawczyk <mk@semihalf.com>
---
drivers/net/ena/ena_ethdev.c | 25 +++++++++++++++++++++++++
1 file changed, 25 insertions(+)
diff --git a/drivers/net/ena/ena_ethdev.c b/drivers/net/ena/ena_ethdev.c
index 1f7463496..5fbf0e5d5 100644
--- a/drivers/net/ena/ena_ethdev.c
+++ b/drivers/net/ena/ena_ethdev.c
@@ -384,6 +384,27 @@ static inline int validate_rx_req_id(struct ena_ring *rx_ring, uint16_t req_id)
return -EFAULT;
}
+static int validate_tx_req_id(struct ena_ring *tx_ring, u16 req_id)
+{
+ struct ena_tx_buffer *tx_info = NULL;
+
+ if (likely(req_id < tx_ring->ring_size)) {
+ tx_info = &tx_ring->tx_buffer_info[req_id];
+ if (likely(tx_info->mbuf))
+ return 0;
+ }
+
+ if (tx_info)
+ RTE_LOG(ERR, PMD, "tx_info doesn't have valid mbuf\n");
+ else
+ RTE_LOG(ERR, PMD, "Invalid req_id: %hu\n", req_id);
+
+ /* Trigger device reset */
+ tx_ring->adapter->reset_reason = ENA_REGS_RESET_INV_TX_REQ_ID;
+ tx_ring->adapter->trigger_reset = true;
+ return -EFAULT;
+}
+
static void ena_config_host_info(struct ena_com_dev *ena_dev)
{
struct ena_admin_host_info *host_info;
@@ -2093,6 +2114,10 @@ static uint16_t eth_ena_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts,
/* Clear complete packets */
while (ena_com_tx_comp_req_id_get(tx_ring->ena_com_io_cq, &req_id) >= 0) {
+ rc = validate_tx_req_id(tx_ring, req_id);
+ if (rc)
+ break;
+
/* Get Tx info & store how many descs were processed */
tx_info = &tx_ring->tx_buffer_info[req_id];
total_tx_descs += tx_info->tx_descs;
--
2.14.1
next prev parent reply other threads:[~2018-06-07 9:44 UTC|newest]
Thread overview: 49+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-06-07 9:42 [dpdk-dev] [PATCH v3 01/27] net/ena: change version number to 1.1.0 Michal Krawczyk
2018-06-07 9:42 ` [dpdk-dev] [PATCH v3 02/27] net/ena: update ena_com to the newer version Michal Krawczyk
2018-06-08 19:43 ` Ferruh Yigit
2018-06-11 9:54 ` [dpdk-dev] [PATCH v4 2/2] " Michal Krawczyk
2018-06-11 10:42 ` Ferruh Yigit
2018-06-11 11:01 ` [dpdk-dev] [PATCH v5 02/27] " Michal Krawczyk
2018-06-07 9:42 ` [dpdk-dev] [PATCH v3 03/27] net/ena: remove support of legacy LLQ Michal Krawczyk
2018-06-07 9:42 ` [dpdk-dev] [PATCH v3 04/27] net/ena: add interrupt handler for admin queue Michal Krawczyk
2018-06-07 9:43 ` [dpdk-dev] [PATCH v3 05/27] net/ena: add stop and uninit routines Michal Krawczyk
2018-06-07 9:43 ` [dpdk-dev] [PATCH v3 06/27] net/ena: add LSC intr support and AENQ handling Michal Krawczyk
2018-06-07 9:43 ` [dpdk-dev] [PATCH v3 07/27] net/ena: handle ENA notification Michal Krawczyk
2018-06-07 9:43 ` [dpdk-dev] [PATCH v3 08/27] net/ena: restart only initialized queues instead of all Michal Krawczyk
2018-06-07 9:43 ` [dpdk-dev] [PATCH v3 09/27] net/ena: add reset routine Michal Krawczyk
2018-06-07 9:43 ` [dpdk-dev] [PATCH v3 10/27] net/ena: add lrte_timer dependency for linking Michal Krawczyk
2018-06-08 19:17 ` Ferruh Yigit
2018-06-11 6:24 ` Michał Krawczyk
2018-06-17 22:37 ` Thomas Monjalon
2018-06-18 6:04 ` Michał Krawczyk
2018-06-18 8:30 ` Thomas Monjalon
2018-06-18 8:32 ` Michał Krawczyk
2018-06-07 9:43 ` [dpdk-dev] [PATCH v3 11/27] net/ena: add watchdog and keep alive AENQ handler Michal Krawczyk
2018-06-07 9:43 ` [dpdk-dev] [PATCH v3 12/27] net/ena: add checking for admin queue state Michal Krawczyk
2018-06-07 9:43 ` [dpdk-dev] [PATCH v3 13/27] net/ena: make watchdog configurable Michal Krawczyk
2018-06-07 9:43 ` [dpdk-dev] [PATCH v3 14/27] net/ena: add RX out of order completion Michal Krawczyk
2018-06-07 9:43 ` [dpdk-dev] [PATCH v3 15/27] net/ena: linearize Tx mbuf Michal Krawczyk
2018-06-07 9:43 ` [dpdk-dev] [PATCH v3 16/27] net/ena: add info about max number of Tx/Rx descriptors Michal Krawczyk
2018-06-07 9:43 ` [dpdk-dev] [PATCH v3 17/27] net/ena: unimplemented handler error Michal Krawczyk
2018-06-07 9:43 ` [dpdk-dev] [PATCH v3 18/27] net/ena: rework configuration of IO queue numbers Michal Krawczyk
2018-06-07 9:43 ` Michal Krawczyk [this message]
2018-06-07 9:43 ` [dpdk-dev] [PATCH v3 20/27] net/ena: add (un)likely statements Michal Krawczyk
2018-06-07 9:43 ` [dpdk-dev] [PATCH v3 21/27] net/ena: adjust error checking and cleaning Michal Krawczyk
2018-06-07 9:43 ` [dpdk-dev] [PATCH v3 22/27] net/ena: update numa node Michal Krawczyk
2018-06-07 9:43 ` [dpdk-dev] [PATCH v3 23/27] net/ena: check pointer before memset Michal Krawczyk
2018-06-07 9:43 ` [dpdk-dev] [PATCH v3 24/27] net/ena: change memory type Michal Krawczyk
2018-06-07 9:43 ` [dpdk-dev] [PATCH v3 25/27] net/ena: fix GENMASK_ULL macro Michal Krawczyk
2018-06-07 9:43 ` [dpdk-dev] [PATCH v3 26/27] net/ena: store handle after memory allocation Michal Krawczyk
2018-06-07 9:43 ` [dpdk-dev] [PATCH v3 27/27] net/ena: set link speed as none Michal Krawczyk
2018-06-08 19:37 ` Ferruh Yigit
2018-06-10 1:35 ` Chas Williams
2018-06-11 8:01 ` Michał Krawczyk
2018-06-11 16:15 ` Chas Williams
2018-06-19 6:32 ` Michał Krawczyk
2018-06-08 19:45 ` [dpdk-dev] [PATCH v3 01/27] net/ena: change version number to 1.1.0 Ferruh Yigit
2018-06-11 8:45 ` Michał Krawczyk
2018-06-11 9:26 ` Ferruh Yigit
2018-06-11 9:33 ` Michał Krawczyk
2018-06-11 9:50 ` Ferruh Yigit
2018-06-11 9:52 ` Michał Krawczyk
2018-06-11 12:34 ` Ferruh Yigit
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