From: "Dmitry Kravkov" <dmitry@broadcom.com>
To: davem@davemloft.net, netdev@vger.kernel.org
Cc: "Dmitry Kravkov" <dmitry@broadcom.com>,
"Ariel Elior" <ariele@broadcom.com>,
"Eilon Greenstein" <eilong@broadcom.com>
Subject: [PATCH net] bnx2x: fix TCP offload for tunneling ipv4 over ipv6
Date: Mon, 3 Jun 2013 12:28:41 +0300 [thread overview]
Message-ID: <1370251721-24668-1-git-send-email-dmitry@broadcom.com> (raw)
FW was initialized with data from wrong header, this caused TSO packets
have wrong IP csum.
Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com>
Signed-off-by: Ariel Elior <ariele@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
---
drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c | 13 ++++++-------
1 file changed, 6 insertions(+), 7 deletions(-)
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
index c80f1d2..37c1495 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
@@ -3198,11 +3198,11 @@ static u32 bnx2x_xmit_type(struct bnx2x *bp, struct sk_buff *skb)
rc |= XMIT_CSUM_TCP;
if (skb_is_gso_v6(skb)) {
- rc |= (XMIT_GSO_V6 | XMIT_CSUM_TCP | XMIT_CSUM_V6);
+ rc |= (XMIT_GSO_V6 | XMIT_CSUM_TCP);
if (rc & XMIT_CSUM_ENC)
rc |= XMIT_GSO_ENC_V6;
} else if (skb_is_gso(skb)) {
- rc |= (XMIT_GSO_V4 | XMIT_CSUM_V4 | XMIT_CSUM_TCP);
+ rc |= (XMIT_GSO_V4 | XMIT_CSUM_TCP);
if (rc & XMIT_CSUM_ENC)
rc |= XMIT_GSO_ENC_V4;
}
@@ -3489,19 +3489,18 @@ static void bnx2x_update_pbds_gso_enc(struct sk_buff *skb,
{
u16 hlen_w = 0;
u8 outerip_off, outerip_len = 0;
+
/* from outer IP to transport */
hlen_w = (skb_inner_transport_header(skb) -
skb_network_header(skb)) >> 1;
/* transport len */
- if (xmit_type & XMIT_CSUM_TCP)
- hlen_w += inner_tcp_hdrlen(skb) >> 1;
- else
- hlen_w += sizeof(struct udphdr) >> 1;
+ hlen_w += inner_tcp_hdrlen(skb) >> 1;
pbd2->fw_ip_hdr_to_payload_w = hlen_w;
- if (xmit_type & XMIT_CSUM_ENC_V4) {
+ /* outer IP header info */
+ if (xmit_type & XMIT_CSUM_V4) {
struct iphdr *iph = ip_hdr(skb);
pbd2->fw_ip_csum_wo_len_flags_frag =
bswab16(csum_fold((~iph->check) -
--
1.8.1.4
next reply other threads:[~2013-06-03 9:28 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-06-03 9:28 Dmitry Kravkov [this message]
2013-06-03 11:27 ` [PATCH net] bnx2x: fix TCP offload for tunneling ipv4 over ipv6 Sergei Shtylyov
2013-06-03 11:45 ` Dmitry Kravkov
2013-06-05 0:00 ` David Miller
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