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AF_XDP-interaction: Debug TX issue

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Calling tx_pkt() before the link is ready, result in no packets
transmitted, but xsk_ring_prod__reserve() still succeeds.

Signed-off-by: Jesper Dangaard Brouer <brouer@redhat.com>
This commit is contained in:
Jesper Dangaard Brouer
2022-01-07 17:38:19 +01:00
parent 9ba52af3b4
commit 3d66217586
1 changed files with 3 additions and 1 deletions
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4
AF_XDP-interaction/af_xdp_user.c
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@@ -857,6 +857,8 @@ static void tx_pkt(struct config *cfg, struct xsk_socket_info *xsk)
if (ret != 1) {
/* No more transmit slots, drop the packet */
mem_free_umem_frame(&umem->mem, pkt_addr);
fprintf(stderr, "ERR - %s() failed transmit\n",
__func__);
}
xsk_ring_prod__tx_desc(&xsk->tx, tx_idx)->addr = pkt_addr;
@@ -1555,7 +1557,7 @@ int main(int argc, char **argv)
* be initilized correctly?
*/
//sleep(3);
// tx_pkt(&cfg, xsks.sockets[0]);
tx_pkt(&cfg, xsks.sockets[0]);
/* Receive and count packets than drop them */
// rx_and_process(&cfg, &xsks);