Bill Fischofer(Bill-Fischofer-Linaro) replied on github web page:
platform/linux-generic/odp_packet.c
line 31
@@ -1948,6 +1949,35 @@ int _odp_packet_copy_md_to_packet(odp_packet_t srcpkt,
odp_packet_t dstpkt)
return dst_uarea_size < src_uarea_size;
}
+static uint16_t packet_sum_ones_comp16(odp_packet_hdr_t *pkt_hdr,
+ uint32_t offset,
+ uint32_t len)
+{
+ uint32_t sum = pkt_hdr->p.l4_part_sum;
+ odp_bool_t odd_offset = false;
+
+ if (offset + len > pkt_hdr->frame_len)
+ return 0;
+
+ while (len > 0) {
+ uint32_t seglen = 0; /* GCC */
+ void *mapaddr = packet_map(pkt_hdr, offset, &seglen, NULL);
+
+ if (seglen < len)
+ seglen = len;
+
+ len -= seglen;
+ sum += _odp_chksum_ones_comp16_32(mapaddr, seglen, odd_offset);
+ odd_offset ^= (seglen % 2);
Comment:
Drop use of `odd_offset` as noted earlier.
> Bill Fischofer(Bill-Fischofer-Linaro) wrote:
> Checkpatch flag:
> ```
> WARNING: line over 80 characters
> #102: FILE: platform/linux-generic/odp_packet.c:2204:
> + ip_proto = parse_ipv4(prs, &parseptr, &offset, frame_len,
> chksums);
> total: 0 errors, 1 warnings, 0 checks, 163 lines checked
> ```
>> Bill Fischofer(Bill-Fischofer-Linaro) wrote:
>> 2018
https://github.com/Linaro/odp/pull/389#discussion_r161932843
updated_at 2018-01-17 01:41:46
