[dpdk-stable] [PATCH] ip_frag: fix the buf of fragmenting IPv4 fragment
huichao cai
chcchc88 at 163.com
Mon Oct 25 09:55:53 CEST 2021
The patch ("ip_frag: fix fragmenting IPv4 fragment") introduces
a bug and needs to be rolled back. This is because the patch
and variables "flag_offset" conflict with each other.
Bugzilla ID: 835
Fixes: 567473433b7e ("ip_frag: fix fragmenting IPv4 fragment")
Cc: stable at dpdk.org
Signed-off-by: huichao cai <chcchc88 at 163.com>
---
lib/ip_frag/rte_ipv4_fragmentation.c | 9 +++------
1 file changed, 3 insertions(+), 6 deletions(-)
diff --git a/lib/ip_frag/rte_ipv4_fragmentation.c b/lib/ip_frag/rte_ipv4_fragmentation.c
index fead5a9..2e7739d 100644
--- a/lib/ip_frag/rte_ipv4_fragmentation.c
+++ b/lib/ip_frag/rte_ipv4_fragmentation.c
@@ -75,7 +75,7 @@ static inline void __free_fragments(struct rte_mbuf *mb[], uint32_t num)
uint32_t out_pkt_pos, in_seg_data_pos;
uint32_t more_in_segs;
uint16_t fragment_offset, flag_offset, frag_size, header_len;
- uint16_t frag_bytes_remaining, not_last_frag;
+ uint16_t frag_bytes_remaining;
/*
* Formal parameter checking.
@@ -116,9 +116,7 @@ static inline void __free_fragments(struct rte_mbuf *mb[], uint32_t num)
in_seg = pkt_in;
in_seg_data_pos = header_len;
out_pkt_pos = 0;
- fragment_offset = (uint16_t)((flag_offset &
- RTE_IPV4_HDR_OFFSET_MASK) << RTE_IPV4_HDR_FO_SHIFT);
- not_last_frag = (uint16_t)(flag_offset & IPV4_HDR_MF_MASK);
+ fragment_offset = 0;
more_in_segs = 1;
while (likely(more_in_segs)) {
@@ -188,8 +186,7 @@ static inline void __free_fragments(struct rte_mbuf *mb[], uint32_t num)
__fill_ipv4hdr_frag(out_hdr, in_hdr, header_len,
(uint16_t)out_pkt->pkt_len,
- flag_offset, fragment_offset,
- not_last_frag || more_in_segs);
+ flag_offset, fragment_offset, more_in_segs);
fragment_offset = (uint16_t)(fragment_offset +
out_pkt->pkt_len - header_len);
--
1.8.3.1
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