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selftests/xsk: print correct payload for packet dump 

Print the correct payload when the packet dump option is selected. The
network to host conversion was forgotten and the payload was
erronously declared to be an int instead of an unsigned int.

Fixes: facb7cb2e9 ("selftests/bpf: Xsk selftests - SKB POLL, NOPOLL")
Signed-off-by: Magnus Karlsson <magnus.karlsson@intel.com>
Acked-by: Maciej Fijalkowski <maciej.fijalkowski@intel.com>
Link: https://lore.kernel.org/r/20230111093526.11682-2-magnus.karlsson@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
This commit is contained in:
Magnus Karlsson 2023-01-11 10:35:12 +01:00 committed by Alexei Starovoitov
parent 5fbea42387
commit 2d0b2ae287
1 changed files with 2 additions and 2 deletions
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4
tools/testing/selftests/bpf/xskxceiver.c
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@ -767,7 +767,7 @@ static void pkt_dump(void *pkt, u32 len)
struct ethhdr *ethhdr;
struct udphdr *udphdr;
struct iphdr *iphdr;
int payload, i;
u32 payload, i;
ethhdr = pkt;
iphdr = pkt + sizeof(*ethhdr);
@ -792,7 +792,7 @@ static void pkt_dump(void *pkt, u32 len)
fprintf(stdout, "DEBUG>> L4: udp_hdr->src: %d\n", ntohs(udphdr->source));
fprintf(stdout, "DEBUG>> L4: udp_hdr->dst: %d\n", ntohs(udphdr->dest));
/*extract L5 frame */
payload = *((uint32_t *)(pkt + PKT_HDR_SIZE));
payload = ntohl(*((u32 *)(pkt + PKT_HDR_SIZE)));
fprintf(stdout, "DEBUG>> L5: payload: %d\n", payload);
fprintf(stdout, "---------------------------------------\n");