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authorPaul Vinciguerra <pvinci@vinciconsulting.com>2018-12-09 15:37:04 -0800
committerOle Trøan <otroan@employees.org>2018-12-10 08:16:23 +0000
commit6919b0de476e50307520a1f2389ffe7988f2c5a6 (patch)
treee78987bb79f6673c631ccb956cd1c1f87a5ccf69 /build-data
parentdfb984d4e82d3950bb7270a4e8c6b2dda26c10da (diff)
test/framework.py: change logger to return 'e' format.
* When the framework logs an unexpected sleep time, display the units in the same format. Typically, it has been returning a float and an 'e'. ex. unexpected time.sleep() result - slept for 0.000107049942017s instead of ~4.88758087158e-05s! * Defer logger interpolation. Change-Id: I543ad6d41c7f263d61615341437f80973c0017de Signed-off-by: Paul Vinciguerra <pvinci@vinciconsulting.com>
Diffstat (limited to 'build-data')
0 files changed, 0 insertions, 0 deletions
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From cbff9112647213bf4376a0c78032d15585a3b5b6 Mon Sep 17 00:00:00 2001
From: Mohsin Kazmi <mohsin.kazmi14@gmail.com>
Date: Thu, 17 Jun 2021 14:57:01 +0200
Subject: [PATCH] net: fix Intel-specific Prepare the outer IPv4 hdr for
 checksum

Preparation of the headers for the hardware offload
misses the outer IPv4 checksum offload.
It results in bad checksum computed by hardware NIC.

This patch fixes the issue by setting the outer IPv4
checksum field to 0.

Fixes: 4fb7e803eb1a ("ethdev: add Tx preparation")
Cc: stable@dpdk.org

Signed-off-by: Mohsin Kazmi <mohsin.kazmi14@gmail.com>
Acked-by: Qi Zhang <qi.z.zhang@intel.com>
Acked-by: Olivier Matz <olivier.matz@6wind.com>
---
 lib/net/rte_net.h | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

diff --git a/lib/net/rte_net.h b/lib/net/rte_net.h
index 434435ffa2..42639bc154 100644
--- a/lib/net/rte_net.h
+++ b/lib/net/rte_net.h
@@ -125,11 +125,22 @@ rte_net_intel_cksum_flags_prepare(struct rte_mbuf *m, uint64_t ol_flags)
 	 * Mainly it is required to avoid fragmented headers check if
 	 * no offloads are requested.
 	 */
-	if (!(ol_flags & (PKT_TX_IP_CKSUM | PKT_TX_L4_MASK | PKT_TX_TCP_SEG)))
+	if (!(ol_flags & (PKT_TX_IP_CKSUM | PKT_TX_L4_MASK | PKT_TX_TCP_SEG |
+			  PKT_TX_OUTER_IP_CKSUM)))
 		return 0;
 
-	if (ol_flags & (PKT_TX_OUTER_IPV4 | PKT_TX_OUTER_IPV6))
+	if (ol_flags & (PKT_TX_OUTER_IPV4 | PKT_TX_OUTER_IPV6)) {
 		inner_l3_offset += m->outer_l2_len + m->outer_l3_len;
+		/*
+		 * prepare outer IPv4 header checksum by setting it to 0,
+		 * in order to be computed by hardware NICs.
+		 */
+		if (ol_flags & PKT_TX_OUTER_IP_CKSUM) {
+			ipv4_hdr = rte_pktmbuf_mtod_offset(m,
+					struct rte_ipv4_hdr *, m->outer_l2_len);
+			ipv4_hdr->hdr_checksum = 0;
+		}
+	}
 
 	/*
 	 * Check if headers are fragmented.
-- 
2.17.1