Re: [PATCH] testpmd: modify the mac of csum forwarding
From: Liu, Jijiang <hidden>
Date: 2015-08-26 06:12:55
quoted hunk ↗ jump to hunk
-----Original Message----- From: dev [mailto:dev-bounces@dpdk.org] On Behalf Of Michael Qiu Sent: Friday, August 07, 2015 11:29 AM To: dev@dpdk.org Subject: [dpdk-dev] [PATCH] testpmd: modify the mac of csum forwarding For some ethnet-switch like intel RRC, all the packet forwarded out by DPDK will be dropped in switch side, so the packet generator will never receive the packet. Signed-off-by: Michael Qiu <redacted> --- app/test-pmd/csumonly.c | 4 ++++ 1 file changed, 4 insertions(+)diff --git a/app/test-pmd/csumonly.c b/app/test-pmd/csumonly.c index1bf3485..bf8af1d 100644--- a/app/test-pmd/csumonly.c +++ b/app/test-pmd/csumonly.c@@ -550,6 +550,10 @@ pkt_burst_checksum_forward(struct fwd_stream*fs) * and inner headers */ eth_hdr = rte_pktmbuf_mtod(m, struct ether_hdr *); + ether_addr_copy(&peer_eth_addrs[fs->peer_addr], + ð_hdr->d_addr); + ether_addr_copy(&ports[fs->tx_port].eth_addr, + ð_hdr->s_addr); parse_ethernet(eth_hdr, &info); l3_hdr = (char *)eth_hdr + info.l2_len; -- 1.9.3
The change will affect on the csum fwd performance. But I also think the change is necessary, or we cannot use csumonly fwd mode in guest。 Acked-by: Jijiang Liu <redacted>