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From: Chris Leech <cleech@redhat.com>
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Subject: iscsiuio: fix dhcpv6 transaction-id mismatch error
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Bugzilla: ZZZ
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Upstream Status:
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Build Info: XXX
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Tested:
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commit 5fd6428435f3063b4e980ead1fe0671856a20183
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Author: Nilesh Javali <nilesh.javali@cavium.com>
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Date: Thu Feb 16 08:44:19 2017 -0500
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iscsiuio: fix dhcpv6 transaction-id mismatch error
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Initialize the transaction-id within the dhcpv6 packet with
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correct byte order.
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Signed-off-by: Nilesh Javali <nilesh.javali@cavium.com>
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---
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iscsiuio/src/apps/dhcpc/dhcpv6.c | 9 +++++++--
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1 file changed, 7 insertions(+), 2 deletions(-)
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diff --git a/iscsiuio/src/apps/dhcpc/dhcpv6.c b/iscsiuio/src/apps/dhcpc/dhcpv6.c
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index a4e25f0bdbbd..461af0ec2a11 100644
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--- a/iscsiuio/src/apps/dhcpc/dhcpv6.c
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+++ b/iscsiuio/src/apps/dhcpc/dhcpv6.c
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@@ -153,7 +153,7 @@ static u16_t dhcpv6_init_packet(struct dhcpv6_context *context, u8_t type)
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if (dhcpv6->dhcpv6_type != type)
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context->dhcpv6_transaction_id++;
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- dhcpv6->dhcpv6_trans_id = context->dhcpv6_transaction_id;
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+ dhcpv6->dhcpv6_trans_id = HOST_TO_NET16(context->dhcpv6_transaction_id);
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dhcpv6->dhcpv6_type = type;
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/* Keep track of length of all DHCP options. */
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@@ -265,8 +265,13 @@ void ipv6_udp_handle_dhcp(struct dhcpv6_context *context)
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dhcpv6 = (union dhcpv6_hdr *)((u8_t *)context->udp +
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sizeof(struct udp_hdr));
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- if (dhcpv6->dhcpv6_trans_id != context->dhcpv6_transaction_id)
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+ if (dhcpv6->dhcpv6_trans_id !=
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+ HOST_TO_NET16(context->dhcpv6_transaction_id)) {
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+ LOG_ERR("DHCPv6 transaction-id error, sent %x, received %x",
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+ HOST_TO_NET16(context->dhcpv6_transaction_id),
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+ dhcpv6->dhcpv6_trans_id);
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return;
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+ }
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dhcpv6_len =
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NET_TO_HOST16(context->udp->length) - sizeof(struct udp_hdr);
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